Blank crushing device for plastic processing

Abstract

The utility model discloses a material blank crushing device for plastic processing, which comprises a box body, a controller fixedly arranged on the outer side wall of the box body and an opening arranged at the bottom of the box body, the opening is arranged in an arc shape, and the material blank crushing device further comprises a crushing assembly arranged in the box body. The utility model belongs to the technical field of plastic processing, and particularly relates to a material blank crushing device for plastic processing, which solves the problems that the crushing effect is poor and the working efficiency is low due to the fact that only the interior of a grinding mechanism is used for grinding when plastic particles are crushed in the prior art.

Description

Technical Field

[0001] The utility model belongs to the technical field of plastic processing, and in particular relates to a blank crushing device used for plastic processing. Background Art

[0002] In the existing plastic processing process, plastic particles need to be hot-melted to make the plastic present a fluid state, and then processed through an injection molding mechanism. However, the existing plastic particles have a large diameter, and during the hot-melting process, the outer surface is melted while the inner part is still fixed, so a device that can crush the blank is needed.

[0003] The existing plastic particles have a large diameter. During the hot melting process, the outer surface is melted while the inner part is still fixed. When the plastic particles are crushed, relying solely on the internal grinding of the grinding mechanism will result in poor crushing effect and low work efficiency. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a blank crushing device for plastic processing, which solves the problem that when the existing plastic particles are crushed, they only rely on grinding inside the grinding mechanism, resulting in poor crushing effect and low work efficiency.

[0005] The technical solution adopted by the utility model is as follows: a blank crushing device for plastic processing, comprising a box body, a controller fixedly mounted on the outer side wall of the box body and an opening arranged at the bottom of the box body, the opening being arranged in an arc shape, and also comprising a crushing assembly, the crushing assembly being arranged inside the box body;

[0006] The crushing assembly includes a fixing box fixedly installed between the inner walls of the box, a rotating motor installed between the inner walls of the fixing box, a rotating shaft with a fixed connector at the output end of the rotating motor, and a breaking rod fixedly connected to the outer wall of the rotating shaft, the breaking rods are evenly arranged, and the controller is electrically connected to the rotating motor.

[0007] Furthermore, the crushing assembly also includes a disc fixedly connected to the upper end of the rotating shaft, a fixing ring fixedly connected to the inner wall of the box, a guide ring fixedly connected to the inner wall of the box, and secondary crushing units arranged on both sides of the fixing box, the secondary crushing unit is arranged between the outer side of the fixing box and the inner wall of the box, the guide ring is hollow and through, the middle part of the guide ring is wide at the top and narrow at the bottom, the top wall of the disc is high in the middle and low on both sides, and the diameter of the disc is slightly smaller than the inner diameter of the fixing ring.

[0008] Furthermore, the secondary crushing unit includes a connecting plate fixedly connected between the inner wall of the box body and the outer wall of the fixed box, a servo motor fixedly installed on the bottom wall of the connecting plate, and a crushing rod fixedly connected to the output end of the servo motor, the crushing rods are evenly arranged, and the servo motor and the controller are electrically connected.

[0009] Furthermore, the inner wall of the fixing ring is wide at the top and narrow at the bottom, the lower half of the inner wall of the fixing ring is inclined, and the length of the breaking rod decreases from top to bottom.

[0010] Furthermore, a guide ring is fixedly connected to the bottom of the inner wall of the box, a collection box is drawable at the bottom of the box, a weighing scale is provided on the bottom wall of the box, the weighing scale is electrically connected to the controller, and the collection box is placed above the weighing scale.

[0011] Furthermore, the bottom wall of the box body is provided with rubber pads, and the rubber pads are arranged in a ring shape.

[0012] After adopting the above structure, the beneficial effects of the utility model are as follows: The utility model proposes a blank crushing device for plastic processing:

[0013] (1) The operation of the rotating motor can make the disc and the crushing rod rotate at a constant speed, and the shape design of the fixed ring can grind and initially crush the blank;

[0014] (2) The operation of the servo motor can make the crushing rod rotate at a constant speed, and the blank after preliminary crushing can be crushed again to improve the crushing effect;

[0015] (3) The crushed blanks can be quantitatively collected, and the setting of the guide ring facilitates the entry of the blanks. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0017] Figure 1 This is a schematic diagram of the overall structure of a blank crushing device for plastic processing proposed by the utility model;

[0018] Figure 2 This is a front view of a blank crushing device for plastic processing proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of a blank crushing device for plastic processing proposed by the utility model;

[0020] Figure 4The utility model is a half-section view of a blank crushing device for plastic processing proposed by the utility model.

[0021] In the attached drawings: 1. Box body, 2. Controller, 3. Opening, 4. Fixed box, 5. Rotating motor, 6. Rotating shaft, 7. Crushing rod, 8. Disc, 9. Fixed ring, 10. Guide ring, 11. Connecting plate, 12. Servo motor, 13. Crushing rod, 14. Guide ring, 15. Collecting box, 16. Weighing scale, 17. Rubber pad. DETAILED DESCRIPTION

[0022] like Figure 1-2 As shown, a blank crushing device for plastic processing includes a box body 1, a controller 2 fixedly mounted on the outer wall of the box body 1, and an opening 3 arranged at the bottom of the box body 1, the opening 3 is arranged in an arc shape, and also includes a crushing component, which is arranged inside the box body 1.

[0023] like Figure 1-4 As shown, in order to improve the crushing effect of the embryo material and improve the working efficiency, the crushing assembly includes a fixed box 4 fixedly installed between the inner walls of the box body 1, a rotating motor 5 installed between the inner walls of the fixed box 4, a rotating shaft 6 fixedly connected to the output end of the rotating motor 5, a crushing rod 7 fixedly connected to the outer wall of the rotating shaft 6, a disc 8 fixedly connected to the upper end of the rotating shaft 6, a fixed ring 9 fixedly connected to the inner wall of the box body 1, a material guide ring 10 fixedly connected to the inner wall of the box body 1, and secondary crushing units arranged on both sides of the fixed box 4. The secondary crushing units are arranged between the outer side of the fixed box 4 and the inner wall of the box body 1. The material ring 10 is hollow and through, the middle part of the guide ring 10 is wide at the top and narrow at the bottom, the top wall of the disc 8 is high in the middle and low on both sides, the diameter of the disc 8 is slightly smaller than the inner diameter of the fixed ring 9, and the secondary crushing unit includes a connecting plate 11 fixedly connected between the inner wall of the box body 1 and the outer wall of the fixed box 4, a servo motor 12 fixedly installed on the bottom wall of the connecting plate 11, and a crushing rod 13 fixedly connected to the output end of the servo motor 12, the crushing rod 13 is evenly arranged, the servo motor 12 is electrically connected to the controller 2, the crushing rod 7 is evenly arranged, and the controller 2 is electrically connected to the rotating motor 5.

[0024] In order to quantitatively collect the crushed blanks, a collection box 15 is drawn out from the bottom of the box 1 . The collection box 15 is placed above a weighing scale 16 . A weighing scale 16 is provided on the bottom wall of the box 1 . The weighing scale 16 is electrically connected to the controller 2 .

[0025] In order to facilitate the crushed embryos to enter the collecting box 15 , a guide ring 14 is fixedly connected to the bottom of the inner wall of the box body 1 .

[0026] The inner wall of the fixing ring 9 is wide at the top and narrow at the bottom, the lower half of the inner wall of the fixing ring 9 is inclined, the length of the breaking rod 7 decreases from top to bottom, and the bottom wall of the box body 1 is provided with rubber pads 17, which are arranged in a ring shape.

[0027] During specific use, the material embryo to be crushed and processed is added into the box 1, the guide ring 10 guides the material embryo, and the rotating motor 5 is turned on. The operation of the rotating motor 5 drives the disc 8 and the crushing rod 7 to rotate at a uniform speed. The disc 8 and the crushing rod 7 cooperate with the shape design of the fixed ring 9 to grind and preliminarily crush the material embryo, and then the preliminarily crushed material embryo enters the two sides of the fixed box 4 through the guide at the top of the fixed box 4, and the servo motor 12 is turned on. The operation of the servo motor 12 makes the crushing rod 13 rotate at a uniform speed, and the preliminarily crushed material embryo is crushed again to improve the crushing effect, and then the crushed material embryo enters the collection box 15 under the guidance of the guide ring 14 for collection, and the weight is weighed by the measuring scale 16 to achieve the effect of quantitative collection.

[0028] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A blank crushing device for plastic processing, comprising a box, a controller fixedly mounted on the outer side wall of the box, and an opening at the bottom of the box, wherein the opening is arranged in an arc shape, and is characterized in that: It also includes a crushing assembly, which is arranged inside the box; The crushing assembly includes a fixing box fixedly installed between the inner walls of the box, a rotating motor installed between the inner walls of the fixing box, a rotating shaft with a fixed connector at the output end of the rotating motor, and a breaking rod fixedly connected to the outer wall of the rotating shaft, the breaking rods are evenly arranged, and the controller is electrically connected to the rotating motor.

2. A blank crushing device for plastic processing according to claim 1, characterized in that: The crushing assembly also includes a disc fixedly connected to the upper end of the rotating shaft, a fixing ring fixedly connected to the inner wall of the box, a guide ring fixedly connected to the inner wall of the box, and secondary crushing units arranged on both sides of the fixing box, the secondary crushing unit is arranged between the outer side of the fixing box and the inner wall of the box, the guide ring is hollow and through, the middle part of the guide ring is wide at the top and narrow at the bottom, the top wall of the disc is high in the middle and low on both sides, and the diameter of the disc is slightly smaller than the inner diameter of the fixing ring.

3. A blank crushing device for plastic processing according to claim 2, characterized in that: The secondary crushing unit includes a connecting plate fixedly connected between the inner wall of the box and the outer wall of the fixed box, a servo motor fixedly installed on the bottom wall of the connecting plate, and a crushing rod fixedly connected to the output end of the servo motor. The crushing rods are evenly arranged, and the servo motor is electrically connected to the controller.

4. A blank crushing device for plastic processing according to claim 3, characterized in that: The inner wall of the fixing ring is wide at the top and narrow at the bottom, the lower half of the inner wall of the fixing ring is inclined, and the length of the breaking rod decreases from top to bottom.

5. A blank crushing device for plastic processing according to claim 4, characterized in that: A guide ring is fixedly connected to the bottom of the inner wall of the box, a collection box is drawable at the bottom of the box, a weighing scale is provided on the inner bottom wall of the box, the weighing scale is electrically connected to the controller, and the collection box is placed above the weighing scale.

6. A preform crushing device for plastic processing according to claim 5, characterized in that: The bottom wall of the box body is provided with rubber pads, and the rubber pads are arranged in a ring shape.

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