A plastic raw material pretreatment device

Abstract

The utility model relates to the technical field of plastic raw material processing device, especially a kind of plastic raw material pretreatment equipment, its characterized in that, the bottom surface coaxially fixedly connected with center seat in pretreatment cylinder, the center seat coaxially fixedly connected with mounting sleeve, the mounting sleeve fixedly connected lower cutter, the upper lateral wall coaxially rotatably connected with the shaft in pretreatment cylinder, the shaft lower portion is provided with vertical moving assembly, the vertical moving assembly bottom coaxially fixedly connected with upper cutter, the shaft outer edge is provided with the limiting component of vertical moving assembly cooperation, the pretreatment cylinder upper end is fixedly connected with the drive motor for driving shaft;The vertical moving assembly includes the drive sleeve that is rotatably connected with the shaft, the drive sleeve lower end is integrally coaxially provided with internal thread sleeve, the shaft lower portion is coaxially slidably connected with vertical shift sleeve, the vertical shift sleeve upper portion is provided with the thread portion that is screwing with internal thread sleeve, the vertical shift sleeve lower end is fixedly connected with upper cutter.

Description

Technical Field

[0001] This utility model relates to the technical field of plastic raw material processing devices, and in particular to a plastic raw material pretreatment device. Background Technology

[0002] Before injection molding, plastics need to undergo pretreatment, which includes cleaning, crushing, and sieving of the plastic raw materials. During the crushing process, different products require different particle sizes. However, most current crushing devices can only crush raw materials to a fixed particle size or are inconvenient to adjust. Therefore, this application proposes a plastic raw material pretreatment device to solve the above problems. Utility Model Content

[0003] To address the above situation and overcome the shortcomings of existing technologies, this utility model provides a plastic raw material pretreatment device. The technical solution it provides includes a pretreatment cylinder with a feed inlet at its upper end. The device is characterized by a central seat coaxially fixedly connected to the bottom surface of the pretreatment cylinder, a mounting sleeve coaxially fixedly connected to the central seat, a lower cutter fixedly connected to the mounting sleeve, a rotating shaft coaxially rotatably connected to the upper side wall of the pretreatment cylinder, a vertical moving component at the lower part of the rotating shaft, an upper cutter coaxially fixedly connected to the bottom of the vertical moving component for use with the lower cutter, a limiting component cooperating with the vertical moving component on the outer edge of the rotating shaft, and a drive motor for driving the rotating shaft fixedly connected to the upper end of the pretreatment cylinder.

[0004] The vertical moving component includes a drive sleeve rotatably connected to a rotating shaft. The lower end of the drive sleeve is integrally and coaxially provided with an internal threaded sleeve. The lower part of the rotating shaft is slidably connected to a vertical moving sleeve. The upper part of the vertical moving sleeve has a threaded portion that screws into the internal threaded sleeve. The lower end of the vertical moving sleeve is fixedly connected to an upper cutting tool. The inner wall of the vertical moving sleeve has two slides symmetrically arranged about its axis. The bottom of the rotating shaft is fixedly connected to two guide blocks that correspond one-to-one with the slides.

[0005] Preferably, the limiting component includes a connecting rod fixedly connected to the outer edge of the rotating shaft, a limiting sleeve fixedly connected to the connecting rod, a limiting screw threadedly connected to the limiting sleeve, and a plurality of limiting holes evenly distributed around its axis are provided on the upper end of the driving sleeve, the limiting holes being inserted into the lower end of the limiting screw.

[0006] Preferably, a discharge device is also arranged at the bottom of the pretreatment cylinder. The discharge device includes a discharge cylinder that is fixedly connected to the bottom of the pretreatment cylinder. The discharge cylinder is rotatably connected to a feeding screw, and a discharge motor for driving the feeding screw is fixedly connected to the right end of the discharge cylinder.

[0007] Preferably, the bottom of the pretreatment cylinder is fixedly connected to a plurality of support legs evenly distributed around its axis.

[0008] Preferably, both the drive sleeve and the limiting screw have anti-slip textures on their exterior.

[0009] Preferably, both the upper and lower cutting tools have a plurality of evenly distributed cutting edges arranged in a circular pattern.

[0010] The beneficial effects of this utility model are:

[0011] In use, this application has a vertical moving component arranged on the rotating shaft. After the restriction of the limiting component is released, the height of the upper blade can be adjusted through the vertical moving component, thereby changing the distance between the upper and lower blades. This facilitates effective control of the particle size of the raw material to meet the different quality requirements of different products. Furthermore, the vertical moving component is easy and quick to adjust. This application has a simple structure, is convenient to use, and is highly practical. Attached Figure Description

[0012] Figure 1 This is a first-person perspective three-dimensional sectional view of the present invention.

[0013] Figure 2 This is an enlarged view of region A in the first-view perspective stereoscopic sectional view of this utility model.

[0014] Figure 3 This is a partial stereoscopic view of the present invention from a second perspective.

[0015] Figure 4 This is a partial three-dimensional sectional view of the present invention from a third perspective.

[0016] Figure 5 This is a fourth-angle perspective view of the present invention.

[0017] Figure Labels

[0018] 1. Pretreatment cylinder, 2. Feed inlet, 3. Center seat, 4. Mounting sleeve, 5. Lower cutter, 6. Rotating shaft, 7. Vertical moving assembly, 8. Upper cutter, 9. Limiting assembly, 10. Drive motor, 11. Drive sleeve, 12. Internal threaded sleeve, 13. Vertical moving sleeve, 14. Threaded part, 15. Slide rail, 16. Guide block, 17. Connecting rod, 18. Limiting screw sleeve, 19. Limiting screw, 20. Limiting hole, 21. Discharge cylinder, 22. Feeding screw, 23. Discharge motor, 24. Discharge port, 25. Support leg, 26. Anti-slip texture, 27. Blade. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1-5 The specific embodiments of this utility model will be described in further detail.

[0020] In the first embodiment, the technical solution is that, in use, a vertical moving component 7 is arranged on the rotating shaft 6. After the restriction of the limiting component 9 is released, the height of the upper cutter 8 can be adjusted by the vertical moving component 7, thereby changing the distance between the upper cutter 8 and the lower cutter 5, so as to effectively control the particle size of the raw material to meet the different quality requirements of different products. Moreover, the vertical moving component 7 is easy and quick to adjust. The present application has a simple structure, is easy to use, and has strong practicality.

[0021] Specifically, when using this application, the plastic raw material to be crushed can be added into the pretreatment cylinder 1 through the feed port 2. Then, the drive motor 10 is started to drive the rotating shaft 6 to rotate. When the rotating shaft 6 rotates, the vertical moving component 7 and the upper cutter 8 will rotate synchronously. During the rotation of the upper cutter 8, the raw material will be crushed by cooperating with the blade 27 of the lower tool.

[0022] When the particle size needs to be adjusted, since the lower cutter 5 is fixed to the center seat 3 by the mounting sleeve 4, the adjustment can only be made by changing the height of the upper cutter 8. During adjustment, the restriction of the limiting component 9 must first be released. Specifically, the limiting screw 19 is rotated counterclockwise, causing it to spiral upward relative to the limiting sleeve 18 on the connecting rod 17, thus disengaging the limiting screw 19 from the limiting hole 20. This allows the driving sleeve 11 to be unrestricted and rotated. Rotating the driving sleeve 11 clockwise causes the internally threaded sleeve 12, which is integrally connected to it, to rotate as well. The drive sleeve 11 is driven by the threaded part 14 on the vertical moving sleeve 13, and the vertical moving sleeve 13 is vertically slidably connected to the guide block 16 on the rotating shaft 6 through the slide 15. As the drive sleeve 11 rotates clockwise, the vertical moving sleeve 13 will move downward relative to the rotating shaft 6, and the lower cutter 5 will move downward accordingly. As the lower cutter 5 moves downward, the distance between the upper cutter 8 and the lower cutter 5 becomes smaller, and the particle size of the crushed material becomes smaller. Correspondingly, when the drive sleeve 11 is rotated counterclockwise, the vertical moving sleeve 13 and the upper cutter holder will be driven to move upward, and the distance between the upper cutter 8 and the lower cutter 5 will become larger, and the particle size of the crushed material will become larger.

[0023] After adjusting the distance between the upper cutter 8 and the lower cutter 5 by adjusting the drive sleeve 11, that is, after adjusting the crushing particle size, rotate the limiting screw 19 clockwise so that the limiting screw 19 spirals downward relative to the limiting screw sleeve 18 and inserts the limiting screw 19 into the corresponding limiting hole 20, thereby restricting the drive sleeve 11 again to prevent it from moving accidentally.

[0024] In Example 2, based on Example 1, this application also includes a discharge device. After crushing is completed, the discharge motor 23 is started to drive the feeding screw 22 to rotate. The feeding screw 22 can discharge the crushed material through the discharge port 24 at the bottom of the discharge cylinder 21.

[0025] In Example 3, based on Example 2, the support leg 25 provided in this application can provide support for the pretreatment cylinder 1, and the drive sleeve 11 and the limiting screw 19 are both provided with anti-slip texture 26 to facilitate their rotation.

Claims

1. A plastic raw material pretreatment device, comprising a pretreatment cylinder (1), wherein a feed inlet (2) is provided at the upper end of the pretreatment cylinder (1), characterized in that, A center seat (3) is coaxially fixedly connected to the bottom surface of the pretreatment cylinder (1). An installation sleeve (4) is coaxially fixedly connected to the center seat (3). A lower cutter (5) is fixedly connected to the installation sleeve (4). A rotating shaft (6) is coaxially rotatably connected to the upper side wall of the pretreatment cylinder (1). A vertical moving component (7) is provided at the lower part of the rotating shaft (6). An upper cutter (8) that works with the lower cutter (5) is coaxially fixedly connected to the bottom of the vertical moving component (7). A limiting component (9) that works with the vertical moving component (7) is provided on the outer edge of the rotating shaft (6). A drive motor (10) for driving the rotating shaft (6) is fixedly connected to the upper end of the pretreatment cylinder (1). The vertical moving component (7) includes a drive sleeve (11) rotatably connected to the rotating shaft (6). The lower end of the drive sleeve (11) is integrally and coaxially provided with an internal thread sleeve (12). The lower part of the rotating shaft (6) is slidably connected with a vertical moving sleeve (13). The upper part of the vertical moving sleeve (13) is provided with a threaded part (14) that screws into the internal thread sleeve (12). The lower end of the vertical moving sleeve (13) is fixedly connected to the upper cutter (8). The inner wall of the vertical moving sleeve (13) is provided with two slides (15) symmetrically arranged about its axis. The bottom of the rotating shaft (6) is fixedly connected with two guide blocks (16) that correspond one-to-one with the slides (15).

2. The plastic raw material pretreatment equipment according to claim 1, characterized in that, The limiting component (9) includes a connecting rod (17) fixedly connected to the outer edge of the rotating shaft (6), the connecting rod (17) is fixedly connected to a limiting screw sleeve (18), the limiting screw sleeve (18) is threadedly connected to a limiting screw rod (19), and the upper end of the drive sleeve (11) is provided with a plurality of limiting holes (20) evenly distributed around its axis, the limiting holes (20) and the lower end of the limiting screw rod (19) are inserted into each other.

3. The plastic raw material pretreatment equipment according to claim 1, characterized in that, The bottom of the pretreatment cylinder (1) is also provided with a discharge device. The discharge device includes a discharge cylinder (21) that is fixedly connected to the bottom of the pretreatment cylinder (1). The discharge cylinder (21) is rotatably connected to a feeding screw (22). The right end of the discharge cylinder (21) is fixedly connected to a discharge motor (23) for driving the feeding screw (22). The lower right side of the discharge cylinder (21) is provided with a discharge port (24).

4. The plastic raw material pretreatment equipment according to claim 1, characterized in that, The pretreatment cylinder (1) has multiple support legs (25) that are evenly distributed around its axis and are fixedly connected to its bottom.

5. The plastic raw material pretreatment equipment according to claim 1, characterized in that, The drive sleeve (11) and the limiting screw (19) are both provided with anti-slip texture (26).

6. The plastic raw material pretreatment equipment according to claim 1, characterized in that, Both the upper cutting tool (8) and the lower cutting tool (5) are composed of several evenly distributed cutting edges (27).

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