Lateral feeding hopper of plastic shredder
By introducing a telescopic square tube and a pneumatic device into the side feed hopper of the plastic shredder, the problem of plastic ejection was solved, achieving automatic isolation and convenient cleaning, and improving work efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG HFLON NEW MATERIAL CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-05-12
AI Technical Summary
In existing plastic shredders, the side-feed hopper is prone to plastic ejecting from the inlet during use, requiring manual cleaning and resulting in low efficiency.
An improved structure was designed, comprising a telescopic square tube, a pneumatic device, an air pump, and a locking assembly. The pneumatic device controls the extension of the telescopic square tube to fit tightly against the feeding device, isolating the ejected plastic, and retracting it during cleaning for easy cleaning.
It effectively prevents plastic from popping out, improves cleaning efficiency, and ensures the normal operation of the feed hopper and plastic shredder.
Smart Images
Figure CN224224281U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hopper technology, specifically to a side-feed hopper for a plastic shredder. Background Technology
[0002] A plastic shredder is a solid waste reduction machine used to crush waste plastics into small pieces. It is widely used in plastic recycling, waste treatment and other fields. The side feed hopper of the plastic shredder is a special feeding device. Unlike the traditional top feed hopper set at the top of the plastic shredder, its feed inlet is located on the side. The plastic shredder is also structurally adjusted to match the side feed hopper. In use, the feeding device is usually set above the side feed hopper for convenient and fast feeding.
[0003] Existing side-feed hoppers are widely used, but when plastic shredders process plastic, the plastic tends to pop out from the inlet of the side-feed hopper, requiring manual cleaning by workers. Therefore, a side-feed hopper for plastic shredders is proposed to address the above problem. Utility Model Content
[0004] The purpose of this invention is to provide a side-feed hopper for a plastic shredder to solve the problem of plastic easily popping out during use of existing devices as mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] The side feed hopper of the plastic shredder includes a feed hopper. A first fixed frame is fixedly connected to the top of the feed hopper. A telescopic square tube is provided above the first fixed frame. A second fixed frame is fixedly connected to the upper and lower ends of the telescopic square tube in a symmetrical arrangement. A rubber pad is fixedly connected to the top of the upper second fixed frame. Fixed plates are fixedly connected to the front and rear sides of the second fixed frame in a symmetrical arrangement. A pneumatic device is installed between the upper and lower fixed plates. A connecting pipe is installed between every two pneumatic devices. An air pipe is installed on the outside of the two pneumatic devices. An air pump connected to the air pipe is fixedly connected to the end of the air pipe away from the pneumatic device.
[0007] Preferably, the pneumatic device includes an air cylinder fixedly connected to the top of a fixed plate located below, a piston tightly fitted to the inner side of the air cylinder, and a connecting rod fixedly connected to the top of the piston.
[0008] Preferably, the connecting rod passes through the air cylinder and is slidably connected to the air cylinder, and the top end of the connecting rod is fixedly connected to the bottom end of the fixed plate located above.
[0009] Preferably, both ends of the connecting pipe are fixedly connected to and communicate with the two air cylinders, and the end of the air pipe away from the air pump is fixedly connected to and communicates with the air pipe.
[0010] Preferably, a limiting frame is provided on the top of one side of the feed hopper, the air pump is located inside the limiting frame and is tightly fitted to the inside of the limiting frame, and a circular hole is provided at each of the four corners of the second fixing frame located below, which is vertically penetrating the second fixing frame, and a locking component is installed at the four corners of the bottom end of the first fixing frame.
[0011] Preferably, the locking assembly includes a slide bar slidably connected to the bottom end of the first fixed frame, a locking frame fixedly connected to the bottom end of the slide bar, the inner side of the locking frame fitting against the outer side of the second fixed frame located below, and a bolt threaded through the locking frame being threaded inside the locking frame, the bolt being inserted into the inner side of a circular hole.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. In this utility model, through the provision of a telescopic square tube, a second fixed frame, a rubber pad, a fixed plate, a pneumatic device, a connecting pipe, an air pipe, and an air pump, the air pump is started before using the device to extend the telescopic square tube until the top of the rubber pad is tightly fitted with the bottom of the discharge port of the feeding device. When using the device, the telescopic square tube can isolate the plastic ejected from the plastic shredder. After the device is used, the air pump can be started to retract the connecting rod, thereby cleaning the feeding hopper and the plastic shredder. This design can prevent plastic from ejecting and does not affect the cleaning of the feeding hopper and the plastic shredder.
[0014] 2. In this utility model, by setting a limiting frame, a round hole, a locking component, a slide bar, a locking frame and a bolt, when the telescopic square tube is not needed, the bolt can be loosened and the locking frame can be pulled to make the locking frame disengage from the first fixed frame and the second fixed frame, so that the telescopic square tube can be removed. The design of the locking component and its connecting components makes the installation and disassembly of the telescopic square tube convenient and improves work efficiency. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the installation structure of the telescopic square tube of this utility model;
[0017] Figure 3 This utility model Figure 2 A schematic diagram of the structure at point A;
[0018] Figure 4 This is a schematic diagram of the telescopic square tube connecting component of this utility model;
[0019] Figure 5 This is a schematic diagram of the cross-sectional structure of the air cylinder of this utility model.
[0020] In the diagram: 1. Feed hopper; 2. First fixed frame; 3. Telescopic square tube; 4. Second fixed frame; 5. Rubber pad; 6. Fixed plate; 7. Pneumatic device; 71. Air cylinder; 72. Piston; 73. Connecting rod; 8. Connecting pipe; 9. Air pipe; 10. Air pump; 11. Limiting frame; 12. Round hole; 13. Locking assembly; 131. Sliding bar; 132. Locking frame; 133. Bolt. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.
[0023] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.
[0024] Please see Figure 1-5 This utility model provides a technical solution:
[0025] The plastic shredder has a side-feed hopper, including a feed hopper 1. A first fixed frame 2 is fixedly connected to the top of the feed hopper 1. A telescopic square tube 3 is provided above the first fixed frame 2. A second fixed frame 4 is symmetrically arranged and fixedly connected to the upper and lower ends of the telescopic square tube 3. A rubber pad 5 is fixedly connected to the top of the upper second fixed frame 4. Fixed plates 6 are symmetrically arranged and fixedly connected to the front and rear sides of the second fixed frame 4. A pneumatic device 7 is installed between the upper and lower fixed plates 6. A connecting pipe 8 is installed between every two pneumatic devices 7. An air pipe 9 is installed on the outside of the two pneumatic devices 7. An air pump 10 is fixedly connected to the end of the air pipe 9 away from the pneumatic device 7. The pneumatic device 7 includes an air cylinder 71 fixedly connected to the top of the lower fixed plate 6. A piston 72 is provided inside the air cylinder 71 and is tightly fitted to the inside of the air cylinder 71. A connecting rod 73 is fixedly connected to the top of the piston 72 and passes through the air cylinder. 71 is slidably connected to air cylinder 71, the top end of connecting rod 73 is fixedly connected to the bottom end of fixed plate 6 located above, both ends of connecting pipe 8 are fixedly connected to two air cylinders 71 respectively and are connected to air cylinders 71, and the end of air pipe 9 away from air pump 10 is fixedly connected to air pipe 9 and is connected to air pipe 9. Through the set telescopic square tube 3, second fixed frame 4, rubber pad 5, fixed plate 6, pneumatic device 7, connecting pipe 8, air pipe 9 and air pump 10, before using the device, start air pump 10 to extend telescopic square tube 3 until the top end of rubber pad 5 is tightly attached to the bottom end of the discharge port of the feeding device. When using the device, telescopic square tube 3 can isolate the plastic that pops out from the plastic shredder. After the device is used, air pump 10 can be started to retract connecting rod 73, thereby cleaning the feeding hopper 1 and plastic shredder. This design can prevent plastic from popping out and does not affect the cleaning of feeding hopper 1 and plastic shredder.
[0026] A limiting frame 11 is provided on the top of one side of the feed hopper 1. The air pump 10 is located inside the limiting frame 11 and is tightly fitted to the inside of the limiting frame 11. At each of the four corners of the lower second fixing frame 4, there are vertically penetrating round holes 12. Locking components 13 are installed at the four corners of the bottom end of the first fixing frame 2. The locking components 13 include a slide bar 131 slidably connected to the bottom end of the first fixing frame 2. A locking frame 132 is fixedly connected to the bottom end of the slide bar 131. The inner side of the locking frame 132 fits against the outer side of the lower second fixing frame 4. The locking frame 132 has internal screws... The bolt 133 is threaded through the locking frame 132 and inserted into the inner side of the round hole 12. Through the setting of the limiting frame 11, round hole 12, locking component 13, slide bar 131, locking frame 132 and bolt 133, when the telescopic square tube 3 is not needed, the bolt 133 can be loosened and the locking frame 132 can be pulled to make the locking frame 132 disengage from the first fixed frame 2 and the second fixed frame 4, so that the telescopic square tube 3 can be removed. The design of the locking component 13 and its connecting components makes the installation and disassembly of the telescopic square tube 3 convenient and improves work efficiency.
[0027] Workflow: Before use, install the various components of the device. First, place the telescopic square tube 3 on the top of the first fixed frame 2 on the feed hopper 1, aligning the first fixed frame 2 and the second fixed frame 4 below it vertically. Place the air pump 10 in the limiting frame 11, then pull the locking frame 132 to slide the slide bar 131 at the bottom of the first fixed frame 2 until the locking frame 132 moves to the outside of the first fixed frame 2 and the second fixed frame 4 and fits tightly against them. Then tighten the bolt 133 so that the bolt 133 is inserted into the round hole 12, thus completing the installation of the telescopic square tube 3. Next, power on the device and connect the device to the external controller. Move the discharge port of the feeding device above the feed hopper 1, then start the air pump 10. At this time, the air pump 10 introduces outside air into the inside of the air cylinder 71 through the air pipe 9. The air cylinders 71 are interconnected through the connecting pipe 8. The increased air pressure below the piston 72 causes the piston 72 and the connecting rod 73 to rise, and the upper fixed frame 71... Plate 6 drives the second fixed frame 4 above to rise, and the telescopic square tube 3 extends until the top of the rubber pad 5 is tightly attached to the bottom of the discharge port of the feeding device. The device can then be used normally. When using the device, start the feeding device and the plastic shredder. At this time, the telescopic square tube 3 can isolate the plastic that pops out of the plastic shredder and prevent it from moving to the outside. After the device is used, the air pump 10 can be started to retract the connecting rod 73, thereby cleaning the feeding hopper 1 and the plastic shredder. The design of the pneumatic device 7 and its connecting components can prevent plastic from popping out and does not affect the cleaning of the feeding hopper 1 and the plastic shredder. When the telescopic square tube 3 is not needed, the bolt 133 can be loosened and the locking frame 132 can be pulled to make the locking frame 132 disengage from the first fixed frame 2 and the second fixed frame 4, and the telescopic square tube 3 can be removed. The design of the locking component 13 and its connecting components makes the installation and disassembly of the telescopic square tube 3 convenient and improves work efficiency.
[0028] Contents not described in detail in this specification are existing technologies known to those skilled in the art. Standard parts used in this invention can all be purchased commercially, and irregularly shaped parts can be custom-made according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are already mature technologies. The machinery, parts, and equipment all use conventional models from the prior art, and the circuit connections also employ conventional connection methods from the prior art, which will not be detailed here.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A side-feed hopper for a plastic shredder, comprising a feed hopper (1), characterized in that: The top of the feed hopper (1) is fixedly connected to a first fixed frame (2), and a telescopic square tube (3) is provided above the first fixed frame (2). The upper and lower ends of the telescopic square tube (3) are fixedly connected to a second fixed frame (4) arranged symmetrically. The top of the upper second fixed frame (4) is fixedly connected to a rubber pad (5). The front and rear sides of the second fixed frame (4) are fixedly connected to fixed plates (6) arranged symmetrically. A pneumatic device (7) is installed between the upper and lower two fixed plates (6). A connecting pipe (8) is installed between every two pneumatic devices (7). An air pipe (9) is installed on the outside of the two pneumatic devices (7). An air pump (10) that communicates with the air pipe (9) is fixedly connected to the end of the air pipe (9) away from the pneumatic device (7).
2. The side feed hopper of the plastic shredder according to claim 1, characterized in that: The pneumatic device (7) includes an air cylinder (71) fixedly connected to the top of the fixed plate (6) located below. The air cylinder (71) has a piston (72) that fits tightly against the inner side of the air cylinder (71). A connecting rod (73) is fixedly connected to the top of the piston (72).
3. The side feed hopper of the plastic shredder according to claim 2, characterized in that: The connecting rod (73) passes through the air cylinder (71) and is slidably connected to the air cylinder (71). The top end of the connecting rod (73) is fixedly connected to the bottom end of the fixing plate (6) located above.
4. The side feed hopper of the plastic shredder according to claim 3, characterized in that: The two ends of the connecting pipe (8) are fixedly connected to the two air cylinders (71) and are in communication with the air cylinders (71). The end of the air pipe (9) away from the air pump (10) is fixedly connected to the air pipe (9) and is in communication with the air pipe (9).
5. The side feed hopper of the plastic shredder according to claim 4, characterized in that: The feed hopper (1) has a limiting frame (11) on one side top. The air pump (10) is located inside the limiting frame (11) and is tightly fitted to the inside of the limiting frame (11). The second fixing frame (4) located below has a round hole (12) that penetrates the second fixing frame (4) vertically at each of its four corners. The first fixing frame (2) has a locking component (13) installed at its four corners at the bottom.
6. The side feed hopper of the plastic shredder according to claim 5, characterized in that: The locking assembly (13) includes a slide bar (131) slidably connected to the bottom end of the first fixed frame (2), and a locking frame (132) is fixedly connected to the bottom end of the slide bar (131). The inner side of the locking frame (132) is in contact with the outer side of the second fixed frame (4) located below. A bolt (133) is threaded through the locking frame (132) and inserted into the inner side of the round hole (12).