Waste plastic cyclic crushing device
By introducing a detachable screen plate and a discharge system controlled by a solenoid valve into the waste plastic crushing device, the problem of mixing large and small particles in the existing technology has been solved, thereby improving crushing efficiency and reducing costs.
Patent Information
- Application Number
- CN202422895123.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing waste plastic crushing equipment cannot effectively separate large and small particles, resulting in low crushing efficiency and increased workload and costs for workers.
Design a device that includes a crushing chamber and a detachable screen plate. The screen plate separates the crushing chamber and the discharge chamber. The device uses the screen holes to screen the size of plastic particles and controls the discharge through a solenoid valve to achieve automatic screening and discharge.
It enables automatic screening of large and small plastic particles, improving crushing efficiency, reducing worker workload and costs, and facilitating screen plate replacement and cleaning.
Smart Images
Figure CN223573548U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic recycling, particularly to a waste plastic recycling and crushing device. BACKGROUND
[0002] Waste plastic recycling and crushing is an important link in the recycling of plastic products, which involves crushing waste plastic products into small pieces or particles through physical methods to facilitate subsequent recycling.
[0003] The existing waste plastic crushing device usually pours waste plastic into the crusher for crushing, and the crushed plastic particles are discharged through the discharge port of the crusher. This method easily mixes large and small plastic particles together and cannot effectively screen them, resulting in the size of the crushed plastic particles not meeting the recycling needs, and the large plastic particles need to be manually screened out and then poured into the crusher for further crushing. This process is complicated, increases the workload of workers, reduces the efficiency of waste plastic crushing, and is high in cost. SUMMARY
[0004] The utility model aims at solving the technical problems of the prior art and provides a waste plastic recycling and crushing device.
[0005] Therefore, the utility model provides a waste plastic recycling and crushing device, which comprises a crushing barrel, a sieve plate is detachably installed in the crushing barrel, the sieve plate divides the crushing barrel into a crushing chamber and a discharge chamber, the crushing chamber is located above the discharge chamber, a cover plate is installed on the crushing barrel, a feed inlet is arranged on the cover plate, a motor is installed on the top of the cover plate, the drive shaft of the motor is fixedly connected with a rotating rod in the crushing chamber through the cover plate, a plurality of crushing blades are fixedly installed on the rotating rod, a discharge port is arranged at the bottom of the crushing barrel, and the discharge port is in communication with the discharge chamber.
[0006] Preferably, connecting rods are vertically and fixedly installed on both sides of the sieve plate, the connecting rods are in sliding connection with the inner wall of the crushing barrel, and are fixed through a fixing device.
[0007] Preferably, the fixing device comprises a fixing block, a fixing plate and a bolt, the fixing block is symmetrically and fixedly installed on the upper part of the crushing barrel, the fixing plate is fixedly installed on the top of the connecting rod, the connecting rod passes through the fixing block, the fixing plate abuts against the fixing block, a through hole is formed in the fixing plate, a threaded hole is formed in the fixing block, and the bolt is in threaded connection with the through hole and the threaded hole through the through hole.
[0008] Preferably, a sliding block is fixedly installed on the outer side of the connecting rod, a vertical sliding groove is formed in the inner wall of the crushing barrel, and the sliding block is in sliding connection with the sliding groove.
[0009] Preferably, the width of the outer side of the sliding block transverse section is greater than the width of the inner side.
[0010] Preferably, the fixed plate is fixedly installed with an inverted U-shaped plate.
[0011] Preferably, a guide plate is fixedly installed in the discharge chamber and is arranged from high to low towards the discharge port.
[0012] Preferably, a handle is rotatably installed on the cover plate, and an arc-shaped groove compatible with the handle is formed on the top of the cover plate, and the handle is placed in the arc-shaped groove.
[0013] Preferably, an electromagnetic valve is installed at the discharge port.
[0014] The beneficial effects of the utility model are as follows.
[0015] (1) The plastic entering the crushing chamber from the feeding port is crushed by the crushing blades, and when the particle size of the plastic meets the requirements of recycling, the corresponding plastic will fall into the discharge chamber through the screen holes of the screen, and then be discharged through the discharge port. When the particle size of the plastic is too large to meet the requirements of recycling, it cannot pass through the screen hole smoothly, so it will continue to be crushed in the crushing chamber until it is crushed to the appropriate size, realizing the recycling crushing of large particle plastics, without the need for workers to re-screen, greatly reducing the workload of workers, improving the crushing efficiency of waste plastics, and saving costs.
[0016] (2) The screen plate and the crushing barrel are detachably connected, so that once the screen is blocked or damaged, the screen plate can be quickly removed for cleaning or replacement, greatly improving the efficiency of screen plate cleaning and replacement, without the need to replace the entire crushing barrel, and with low cost. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structure diagram of the waste plastic recycling crushing device in the embodiment;
[0018] Figure 2 is a structure diagram of the waste plastic recycling crushing device in the embodiment;
[0019] Figure 3 is a structure diagram of the screen plate in the embodiment;
[0020] Figure 4 is Figure 3 is a local enlarged view of part A in the embodiment;
[0021] Figure 5 is an internal development view of the crushing barrel in the embodiment;
[0022] Figure 6 is the structural diagram of the fixed block in the embodiment.
[0023] The figure marks: 1, crushing barrel; 2, sieve plate; 3, crushing chamber; 4, discharge chamber; 5, cover plate; 6, feed inlet; 7, motor; 8, rotating rod; 9, crushing blade; 10, discharge port; 11, connecting rod; 12, fixed block; 121, fixed block one; 122, fixed block two; 13, fixed plate; 14, bolt; 15, through hole; 16, threaded hole; 17, sliding block; 18, sliding slot; 19, inverted U-shaped plate; 20, guide plate; 21, handle; 22, arc-shaped groove; 23, electromagnetic valve. DETAILED DESCRIPTION
[0024] The utility model will be further explained in connection with the drawings and specific embodiments to help understanding the contents of the utility model. The method used in the utility model is conventional method if no special provision; the raw materials and devices used are conventional market products if no special provision.
[0025] Embodiment:
[0026] As Figures 1-6 shown, the utility model provides a kind of waste plastics recycling crushing device, including crushing barrel 1, the sieve plate 2 of detachable installation is installed in the crushing barrel 1, the sieve plate 2 can be replaced into the sieve plate 2 of different mesh hole diameter at any time according to actual needs, the diameter of the sieve plate 2 is matched with the inner diameter of crushing barrel 1, the sieve plate 2 is horizontally installed in the crushing barrel 1, the sieve plate 2 separates the crushing barrel 1 into crushing chamber 3 and discharge chamber 4, the crushing chamber 3 is located above the discharge chamber 4, the cover plate 5 is installed on the crushing barrel 1, the feed inlet 6 is provided on the cover plate 5, the motor 7 is installed on the top of the cover plate 5, the driving shaft of the motor 7 is fixedly connected with the rotating rod 8 in the crushing chamber 3 by passing the cover plate 5, the rotating rod 8 extends to the bottom of the crushing chamber 3, a plurality of crushing blades 9 are fixedly installed on the lower part of the rotating rod 8, realize the efficient crushing of waste plastics, the discharge port 10 is provided at the bottom of the crushing barrel 1, the discharge port 10 is communicated with the discharge chamber 4.
[0027] Further, the connecting rod 11 is vertically fixedly installed on the both sides of the sieve plate 2, the connecting rod 11 is slidably connected with the inner wall of the crushing barrel 1, and is fixed by fixing device.
[0028] Further, the fixing device comprises a fixing block 12, a fixing plate 13 and a bolt 14, the fixing block 12 is symmetrically fixedly installed on the upper portion of the crushing barrel 1, the fixing plate 13 is fixedly installed on the top of the connecting rod 11, the connecting rod 11 penetrates through the fixing block 12, the fixing plate 13 is pressed on the fixing block 12, a through hole 15 is formed on the fixing plate 13, a threaded hole 16 is formed on the fixing block 12, and the bolt 14 is threadedly connected with the through hole 15 and the threaded hole 16.
[0029] Specifically, the fixing block 12 comprises a fixing block one 121 and a fixing block two 122, and the fixing block one 121 and the fixing block two 122 on each side are respectively installed on the two sides of the sliding groove 18, and the top portions of the fixing block one 121 and the fixing block two 122 are located on the same horizontal plane.
[0030] Further, the outer side of the connecting rod 11 is fixedly installed with a sliding block 17, a vertical sliding groove 18 is formed on the inner wall of the crushing barrel 1, and the sliding block 17 is slidably connected with the sliding groove 18.
[0031] Further, the width of the outer side of the transverse cross section of the sliding block 17 is greater than that of the inner side, and specifically, the sliding block 17 is in a trapezoidal structure, which prevents the sliding block 17 from being separated from the sliding groove 18 and enhances the stability during the installation process of the sieve plate 2.
[0032] Further, the fixing plate 13 is fixedly installed with an inverted U-shaped plate 19, the inverted U-shaped plate 19 forms a pull ring, which facilitates the quick removal of the sieve plate 2 and has high practicability.
[0033] Further, a guide plate 20 is fixedly installed in the discharging chamber 4 and is arranged in a high-to-low inclined manner towards the discharging port 10, so that the crushed plastic can quickly flow to the discharging port 10 along the guide plate 20, reducing material accumulation and accelerating discharging.
[0034] Further, a handle 21 is rotatably installed on the cover plate 5, an arc-shaped groove 22 is formed on the top of the cover plate 5 and is matched with the handle 21, and the handle 21 is placed in the arc-shaped groove 22. When the sieve plate 2 in the crushing barrel 1 needs to be taken out, the handle 21 is pulled upward by hand or a winch, so that the cover plate 5 is opened and the sieve plate 2 can be quickly taken out. When the sieve plate 2 does not need to be taken out, the handle 21 is placed in the arc-shaped groove 22, reducing the occupied space.
[0035] Further, an electromagnetic valve 23 is installed at the discharging port 10. The setting of the electromagnetic valve 23 can adjust the discharging speed and flow of the material. When the material needs to be discharged, the electromagnetic valve 23 is opened, and the material is smoothly discharged from the discharging port 10; when the material does not need to be discharged, the electromagnetic valve 23 is closed, preventing the material from leaking or causing waste.
[0036] The working principle of the embodiment is as follows:
[0037] The plastic to be crushed is fed into the crushing chamber 3 from the feed port 6, the motor 7 is started, the motor 7 drives the rotating rod 8 to rotate, the rotating rod 8 drives a plurality of crushing blades 9 to rotate, thereby crushing the plastic entering the crushing chamber 3. When the size of the crushed plastic particles meets the actual recycling requirements, the smaller plastic particles will be discharged into the discharge chamber 4 through the screen holes on the screen plate 2, and then flow to the discharge port 10 along the guide plate 20. When the plastic in the discharge chamber 4 accumulates to a certain amount, the electromagnetic valve 23 is opened, and the small plastic particles are smoothly discharged. The larger particles cannot pass through the screen holes of the screen plate 2 and will continue to be crushed under the action of the crushing blades 9 until their size can smoothly pass through the screen holes of the screen plate 2 and then be discharged from the discharge port 10.
[0038] When it is necessary to replace the screen plate 2 of different specifications, the cover plate 5 is pulled upward through the handle 21, so that the cover plate 5 is opened, and then the screen plate 2 in the crushing barrel 1 is taken out. The sliding blocks 17 on both sides of the new screen plate 2 are slid along the sliding grooves 18 on the inner wall of the crushing barrel 1 to the specified position. At this time, the fixing plate 13 at the top of the connecting rod 11 is pressed on the corresponding fixing block 12. The bolts 14 are sequentially threaded through the through holes 15 and the threaded holes 16 to fix the position of the screen plate 2, thereby enhancing the stability of the screen plate 2 during use.
[0039] In the description of the present application, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.
[0040] The above is only a specific embodiment of the present application, and cannot limit the scope of the present application, so the replacement of equivalent components or equivalent changes and modifications made within the scope of the present application are still within the scope of the present application.
Claims
1. A waste plastic recycling and crushing device, comprising a crushing bin (1), characterized in that, A sieve plate (2) is detachably installed inside the crushing barrel (1). The sieve plate (2) divides the crushing barrel (1) into a crushing chamber (3) and a discharge chamber (4). The crushing chamber (3) is located above the discharge chamber (4). A cover plate (5) is installed on the crushing barrel (1). A feed inlet (6) is provided on the cover plate (5). A motor (7) is installed on the top of the cover plate (5). The drive shaft of the motor (7) passes through the cover plate (5) and is fixedly connected to a rotating rod (8) inside the crushing chamber (3). Multiple crushing blades (9) are fixedly installed on the rotating rod (8). A discharge port (10) is provided at the bottom of the crushing barrel (1). The discharge port (10) is connected to the discharge chamber (4).
2. The waste plastic recycling and crushing device according to claim 1, characterized in that, Connecting rods (11) are vertically fixed on both sides of the sieve plate (2). The connecting rods (11) are slidably connected to the inner wall of the crushing barrel (1) and fixed by a fixing device.
3. The waste plastic recycling and crushing device according to claim 2, characterized in that, The fixing device includes a fixing block (12), a fixing plate (13), and a bolt (14). The fixing block (12) is symmetrically fixedly installed on the upper part of the crushing barrel (1). The fixing plate (13) is fixedly installed on the top of the connecting rod (11). The connecting rod (11) passes through the fixing block (12). The fixing plate (13) presses against the fixing block (12). The fixing plate (13) has a through hole (15). The fixing block (12) has a threaded hole (16). The bolt (14) passes through the through hole (15) and is threadedly connected to the threaded hole (16).
4. The waste plastic recycling and crushing device according to claim 2, characterized in that, A slider (17) is fixedly installed on the outside of the connecting rod (11), and a vertical groove (18) is provided on the inner wall of the crushing barrel (1). The slider (17) is slidably connected to the groove (18).
5. The waste plastic recycling and crushing device according to claim 4, characterized in that, The width of the outer side of the transverse section of the slider (17) is greater than the width of its inner side.
6. The waste plastic recycling and crushing device according to claim 3, characterized in that, An inverted U-shaped plate (19) is fixedly installed on the fixing plate (13).
7. The waste plastic recycling and crushing device according to claim 1, characterized in that, The discharge chamber (4) is fixedly installed with a guide plate (20) that is inclined from high to low toward the discharge port (10).
8. The waste plastic recycling and crushing device according to claim 1, characterized in that, A handle (21) is rotatably mounted on the cover plate (5). An arc-shaped groove (22) adapted to the handle (21) is opened on the top of the cover plate (5). The handle (21) is placed in the arc-shaped groove (22).
9. A waste plastic recycling and crushing device according to claim 1, characterized in that, A solenoid valve (23) is installed at the discharge port (10).