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Manufacturing method of Gravimetric blender system


source:[Gravimetric blender]   release time:2021-04-15 10:28:38




In the film production process, in order to achieve a predetermined formula ratio, the materials to be processed need to be weighed and measured.
Gravimetric blender

As shown in Figure 1, in the prior art, the Gravimetric system includes a frame 1, a main hopper 11 and a secondary hopper 12. The secondary hopper 12 is made of flexible materials, and a clapper for tapping the secondary hopper 12 is provided outside the secondary hopper 12 In the device 5, the frame 1 is provided with a clapper motor 51 that drives the clapper device 5 to move periodically, and the material is sent out through the spiral blade 33 under the auxiliary hopper 12, and the frame 1 is provided with a feeding motor 34 that drives the spiral blade 33 to rotate.


In order to prevent the material from bridging, the clapper keeps beating the flexible auxiliary hopper. After long-term work, the auxiliary hopper made of flexible material is easy to be damaged. At this time, the auxiliary hopper needs to be replaced. The production cost is high and the construction period is also affected. The existence of the hopper is easy. The problem of damage.

Technical realization elements:

In view of the shortcomings of the prior art, the purpose of the present invention is to provide a Gravimetric blender, which has the effect of long service life of the hopper.

In order to achieve the above technical objectives, the present invention provides the following technical solutions: a Gravimetric blender, including a frame, a main hopper, and an auxiliary hopper. A feeding device for discharging materials is arranged below the auxiliary hopper, and the frame A stirring device is fixedly arranged on the upper part, and the stirring device includes a rotating rod passing through the auxiliary hopper horizontally, and an array of blades is arranged on the rotating rod, and the stirring device is provided with a driving motor that drives the rotating rod to rotate.

By adopting the above technical scheme, when the material in the main hopper enters the auxiliary hopper, the rotating rod of the mixing device will always rotate on its own, and the blades on the rotating rod will always move relative to the material to continuously divide the material. At the same time, the blades of the mixing device are only in the auxiliary hopper. The internal movement prevents the auxiliary hopper from being damaged, avoids damage to the auxiliary hopper, and achieves the beneficial effect of prolonging the normal working time. The rotating rod and blades directly stir the animal feed in the auxiliary hopper, and the stirring effect is better than the existing flapping. Improve the stability of the blanking volume, reduce pressure fluctuations, and improve product quality.

Preferably, the auxiliary hopper is made of stainless steel.

By adopting the above technical scheme, the auxiliary hopper made of stainless steel has a fixed structure, which prevents the auxiliary hopper from being placed on the rotating rod when the material in the auxiliary hopper is small, and the beneficial effect of improving the rationality of the structure is achieved. The auxiliary hopper with high mechanical hardness and the rotating rod are kept relatively fixed to avoid the gap between the auxiliary hopper and the rotating rod and material leakage, and the beneficial effect of improving the sealing performance is achieved.

Preferably, the feeding device includes a casing communicating with the auxiliary hopper, a screw is arranged in the casing along its length, and the screw is sheathed with spiral blades along its length, and the spiral blade is made of metal material. Therefore, the frame is provided with a feeding motor that drives the screw to rotate.

By adopting the above technical scheme, the feeding motor drives the screw to rotate, and the spiral blades on the screw follow the screw to rotate. The spiral blades made of metal materials have high mechanical strength, and the spiral blades will not be crushed by the material, which prolongs the normal working time.

Preferably, an end of the casing away from the auxiliary hopper is communicated with a discharge pipe for the material to leave, and both ends of the screw are respectively connected to the discharge pipe and the casing in rotation through bearings.

By adopting the above technical solution, the two ends of the screw are respectively fixed by the feeding tube and the casing to support the screw, avoid the shaking of the screw when working, reduce the deviation of the blanking, and improve the quality of the product.
Gravimetric blender system,Gravimetric blender

Preferably, the screw is hollow, the feeding device is provided with a U-shaped water pipe inserted into the screw, a water storage tank connected to one nozzle of the U-shaped water pipe is provided on one side of the frame, and the feeding device is provided with The water in the water storage tank is fed into the water pump of the U-shaped water pipe, and a heater is arranged in the water storage tank.

By adopting the above technical scheme, the heated water in the water storage tank is sent into the U-shaped pipe by the water pump, and the heat in the water is absorbed by the U-shaped water pipe and transferred to the screw, so that the temperature of the screw rises, and the material on the surface of the screw is also heated. The material is pre-heated to avoid material sticking, and it also facilitates the melting of the subsequent extruder, which has the beneficial effect of improving the rationality of the structure.

Preferably, the U-shaped water pipe is sheathed with a number of circular support rings, the outer periphery of the support ring is uniformly arrayed with a number of rotatable steel balls, and the steel balls slide against the inner wall of the screw.

By adopting the above technical solution, the support ring supports the U-shaped water pipe, and the steel ball slides against the inner wall of the screw, reducing the friction between the support ring and the screw. With the rotation of the screw, the U-shaped water pipe can remain relatively static and avoid The water pipe is wound, which has the beneficial effect of improving the rationality of the structure.

Preferably, the end of the U-shaped water pipe away from the auxiliary hopper is provided with a sealing disc, and the end of the screw is recessed with a sealing groove for the sealing disc to fit and rotate.

By adopting the above technical scheme, with the help of the cooperation of the sealing groove and the sealing disc, the inner cavity of the screw is sealed, so as to avoid the loss of heat from the screw, which leads to a reduction in the heating effect and enhances the sealing performance.

In summary, the utility model has achieved the following effects:

1. With the help of the auxiliary hopper and mixing device made of stainless steel, the abnormal situation of the auxiliary hopper being beaten and broken is prevented;

2. With the help of spiral blades made of metal materials, avoid the fracture of the spiral blades;

3. With the help of double-head fixed screw, the operation stability is replaced, which reduces the deviation of the blanking.

Description of the drawings

FIG. 1 is a schematic diagram for representing the prior art in this embodiment;

FIG. 2 is a schematic diagram for representing the overall structure in this embodiment;

Figure 3 is a schematic diagram showing the specific structure of the feeding device in this embodiment;

Fig. 4 is an enlarged schematic diagram of the position A in Fig. 3 used to express the specific structure in the screw.

In the figure, 1. Frame; 11. Main hopper; 12. Sub-hopper; 2. Stirring device; 21. Rotating rod; 22. Blade; 23. Drive motor; 3. Feeding device; 31. Housing; 32. Screw 33. Spiral blades; 34. Feeding motor; 35. Feeding pipe; 36. U-shaped water pipe; 37. Water storage tank; 38. Water pump; 39. Heater; 40. Support ring; 41. Steel ball; 42, Seal plate ; 43. Sealing groove; 5. Clapper device; 51. Clapper motor.

Detailed ways

Hereinafter, the utility model will be further described in detail with reference to the accompanying drawings.

This specific embodiment is only an explanation of the utility model, and it is not a limitation to the utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contribution as needed, but as long as the utility model is used The scope of the new type of claims is protected by the patent law.

Embodiment: A Gravimetric blender, as shown in Fig. 2, includes a frame 1, a main hopper 11 and an auxiliary hopper 12, and the auxiliary hopper 12 is made of stainless steel. Below the auxiliary hopper 12 is provided a feeding device 3 for sending out materials. A stirring device 2 is fixed on the frame 1. The stirring device 2 includes a rotating rod 21 passing through the auxiliary hopper 12 transversely. The rotating rod 21 is arrayed with blades 22 for mixing. The device 2 is provided with a driving motor 23 that drives the rotating rod 21 to rotate. When the material in the main hopper 11 enters the auxiliary hopper 12, the rotating rod 21 of the mixing device 2 will always rotate, and the blade 22 on the rotating rod 21 will always move relative to the material to continuously divide the material. At the same time, the blade 22 of the mixing device 2 is only in The auxiliary hopper 12 moves inside and will not touch the auxiliary hopper 12 to avoid damage to the auxiliary hopper 12. The rotating rod 21 and the blade 22 directly stir the animal material in the auxiliary hopper 12, and the stirring effect is better than the existing flapping. Improve the stability of the blanking volume, reduce pressure fluctuations, and improve product quality.

As shown in Figure 2, the feeding device 3 includes a casing 31 communicating with the auxiliary hopper 12, a screw 32 is provided in the casing 31 along its own length, and the screw 32 is sheathed with a spiral blade 33 along its length. Made of metal material, the frame 1 is provided with a feeding motor 34 that drives the screw 32 to rotate on its own. The feed motor 34 drives the screw 32 to rotate, and the screw blade 33 on the screw 32 rotates with the screw 32. The screw blade 33 made of metal material has high mechanical strength. The screw blade 33 will not be crushed by the material, which prolongs the normal working time.

As shown in FIG. 2, one end of the casing 31 away from the auxiliary hopper 12 is connected with a discharge pipe 35 for the material to leave. The two ends of the screw 32 are respectively connected to the discharge pipe 35 and the casing 31 in rotation through bearings. The two ends of the screw 32 are respectively fixed by the feeding pipe 35 and the casing 31 to support the screw 32, avoid the shaking of the screw 32 during operation, reduce the deviation of the blanking, and improve the quality of the product.

As shown in Figure 3, the screw 32 is set to be hollow, the feeding device 3 is provided with a U-shaped water pipe 36 inserted into the screw 32, and one side of the frame 1 (refer to Figure 1) is provided with a storage connected to one orifice of the U-shaped water pipe 36. The water tank 37, the feeding device 3 is provided with a water pump 38 that sends the water in the water storage tank 37 into the U-shaped water pipe 36, and a heater 39 is provided in the water storage tank 37. The heated water in the water storage tank 37 is sent into the U-shaped pipe by the water pump 38. The heat in the water is absorbed by the U-shaped water pipe 36 and transferred to the screw 32, so that the temperature of the screw 32 rises, and the material on the surface of the screw 32 is also heated. The material is pre-heated to avoid material sticking, and it also facilitates the melting of the subsequent extruder.

As shown in FIG. 4, the U-shaped water pipe 36 is provided with a sealing disk 42 at one end away from the auxiliary hopper 12 (refer to FIG. 1), and the end of the screw 32 is recessed with a sealing groove 43 for the sealing disk 42 to fit and rotate. With the cooperation of the sealing groove 43 and the sealing disc 42, the inner cavity of the screw 32 is sealed to avoid the loss of heat from the screw 32, which leads to a reduction in the heating effect and enhances the sealing performance.

As shown in FIG. 4, the U-shaped water pipe 36 is sheathed with several circular support rings 40. The outer periphery of the support ring 40 is evenly arrayed with several rotatable steel balls 41, and the steel balls 41 slide against the inner wall of the screw 32. The support ring 40 supports the U-shaped water pipe 36, and the steel ball 41 slides against the inner wall of the screw 32, reducing the friction between the support ring 40 and the screw 32. As the screw 32 rotates, the U-shaped water pipe 36 can remain relatively static. , Avoid entangled water pipes.

Working process: When the material in the main hopper 11 enters the auxiliary hopper 12, the rotating rod 21 of the mixing device 2 will always rotate on its own, and the blade 22 on the rotating rod 21 will always move relative to the material to continuously divide the material. The material falls into the casing 31 of the feeding device 3 from the auxiliary hopper 12, the screw 32 is driven by the feeding motor 34 to rotate on its own, and the material is pushed into the lowering pipe 35 to leave. At the same time, the water pump 38 sends the heated water into the U-shaped water pipe 36 to keep the material in a high temperature state and avoid material sticking.

 [Gravimetric blender]