Waste plastic recovery device for plastic printing die cutting

Abstract

The invention provides a waste plastic recycling device for plastic printing processing, and relates to the technical field of plastic recycling, the waste plastic recycling device comprises processing equipment and a processing support, the processing equipment is fixedly mounted on the processing support, and a material guiding mechanism for conveniently guiding plastic scraps is arranged on the processing equipment; a collecting mechanism facilitating collection of plastic chippings is arranged on the machining equipment, the material guiding mechanism comprises a guiding pipe, a servo motor, a concentric-square-shaped rod and a reciprocating lead screw, and the collecting mechanism comprises a dust collecting box and a waste material box. According to the device, the guide pipe is arranged below the discharging plate, after a plastic workpiece is machined by machining equipment, generated plastic chippings possibly drift to the surrounding environment due to airflow, static electricity or irregular movement generated by machine operation, the movement path of waste can be restrained through the arrangement of the guide pipe, and the waste can be prevented from falling off. And it is ensured that waste accurately falls into the waste box, and the possibility that dust is possibly generated in a production workshop and chippings are scattered is avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of plastic recycling, and more specifically, particularly relates to a waste plastic recycling device for plastic printing and processing. Background Art

[0002] A plastic workpiece printing and processing machine is a special device for plastic workpiece processing. It integrates two main functions of printing and processing, can print patterns, texts, etc. on the surface of plastic workpieces, and can process hollow panel boxes according to pre-designed shapes and sizes. After processing, waste materials will be generated, so generally a waste removal device will be set up to collect the waste materials.

[0003] The Chinese patent publication number is: CN209886249U, a waste removal device for a plastic hollow panel box printing and die-cutting machine. The mechanism of the present utility model is simple and reasonable, can effectively remove the processed waste materials cut from the plastic hollow panel, and does not require manual picking, saving time and effort.

[0004] The existing waste recycling devices of processing machines have the following disadvantages:

[0005] 1. When the existing equipment recycles plastic chips, most discharge ports do not set guiding mechanisms. After the processing equipment processes the plastic, the generated plastic chips may be scattered into the surrounding environment due to the airflow, static electricity generated by the machine operation, or their own irregular movement. During the subsequent recycling process, manual collection and cleaning of the scattered plastic chips are still required, consuming manpower and having the possibility of dust, affecting the production environment;

[0006] 2. Some existing waste recycling devices will set some guiding mechanisms, but the plastic chips generated by plastic workpiece processing are very easy to generate static electricity due to friction. When the static electricity-carrying plastic chips approach the inner wall of the guiding plate or pipeline, the static electricity adsorption effect may cause the plastic chips to adhere to it, and subsequent manual cleaning is still required, affecting the recycling efficiency.

[0007] In view of this, research and improvement are carried out on the existing structure and deficiencies, and a waste plastic recycling device for plastic printing and processing is provided, in order to achieve a more practical value purpose. Summary of the Invention

[0008] In order to solve the above technical problems, the present invention provides a waste plastic recycling device for plastic printing and processing to solve the above problems.

[0009] A waste plastic recycling device for plastic printing and processing, including processing equipment and a processing support. The processing equipment is fixedly installed on the processing support. A feeding mechanism for facilitating the feeding of plastic debris is provided on the processing equipment. A collecting mechanism for facilitating the collection of plastic debris is provided on the processing equipment. The feeding mechanism includes a guiding pipe, a servo motor, a looped rod, and a reciprocating lead screw. The collecting mechanism includes a dust collecting box and a waste box. The waste box is slidably installed on the inner side wall of the dust collecting box. Two telescopic adjusting rods are fixedly installed between the guiding pipe and the dust collecting box. A fixing rod is fixedly installed between the servo motor and the guiding pipe. The looped rod is located on the inner side wall of the guiding pipe. A thread groove is formed through the upper end of the looped rod. The reciprocating lead screw is threadedly rotatably installed on the inner side wall of the thread groove. The lower end of the processing equipment is provided with a discharge plate. The dust collecting box is located between two processing supports. At least two sliding grooves are formed in the upper end of the dust collecting box. Two installation pipes are provided at both ends of the waste box. Each installation pipe is slidably installed on the inner side wall of the sliding groove. A screen is fixedly installed on the inner side wall of the waste box. A first arc-shaped block is fixedly installed on the upper end of the waste box. The end of the first arc-shaped block is arc-shaped. A rubber buffer pad is fixedly installed on the upper end of the first arc-shaped block. L-shaped sliding rods are fixedly installed at both ends of the waste box. Each L-shaped sliding rod is respectively slidably installed on the inner side wall of each installation pipe. A first spring and a first telescopic rod are fixedly installed between each L-shaped sliding rod and the installation pipe. Each first telescopic rod is located inside the first spring. Positioning plates are fixedly installed at both ends of the inner side wall of the guiding pipe. Two guide rods are fixedly installed at the lower end of each positioning plate. The output end of the servo motor is fixedly installed with a rotating shaft. A first gear is fixedly installed on the circumferential end of the rotating shaft. Two push rods are also fixedly installed on the circumferential end of the rotating shaft. The ends of both push rods are arc-shaped. At least two guiding grooves are formed through the upper end of the looped rod. The looped rod is slidably installed on each guide rod through the guiding grooves. Cleaning brushes are provided at the four ends of the looped rod. A second spring and a second telescopic rod are fixedly installed between each cleaning brush and the looped rod.

[0010] Preferably, an installation part is fixedly installed at the lower end of the guiding pipe. The reciprocating lead screw is rotatably installed through the installation part.

[0011] Preferably, a second gear is fixedly installed on the circumferential end of the reciprocating lead screw. A transmission toothed belt is meshed and sleeved between the second gear and the first gear.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In the present invention, a guiding tube is provided below the discharge plate. After the plastic workpiece is processed by the processing equipment, the generated plastic debris may be scattered into the surrounding environment due to the airflow, static electricity generated by the machine operation, or its own irregular movement. By setting the guiding tube, the movement path of the waste can be restricted, ensuring that the waste accurately falls into the waste bin, avoiding the possibility of dust generation and debris scattering in the production workshop, and eliminating the need for the user to frequently clean the waste around the equipment, thus saving manpower.

[0014] In the present invention, by setting the telescopic adjusting rod in cooperation with the guiding tube, the position of the guiding tube can be adjusted. The height of the discharge plates on different models of processing equipment may vary. The height-adjustable guiding tube enables it to flexibly cooperate with various processing equipment, ensuring that the waste can smoothly pass from the discharge plate through the guiding tube and fall into the waste bin, with high flexibility and good adaptability.

[0015] In the present invention, by setting the loop-shaped rod in cooperation with the cleaning brush, the loop-shaped rod drives the cleaning brush to reciprocate up and down to clean the plastic debris adsorbed in the guiding tube, timely removing the plastic debris adsorbed by static electricity, preventing the plastic debris from continuously accumulating in the guiding tube, thus always keeping the guiding plate clean, ensuring that the waste can smoothly pass through the guiding tube and fall into the waste bin, and avoiding problems such as affecting waste recycling due to plastic debris accumulation and recycling omission.

[0016] In the present invention, by setting the waste bin in cooperation with the sieve mesh, the fine plastic debris and the waste of larger plastic workpieces can be separated and collected through the sieve mesh, facilitating different treatments of the waste in the later stage. For the waste of larger plastic workpieces, the recycling process may focus more on physical treatments such as crushing and pulping, while the recycling of fine plastic debris and dust may involve chemical treatments or fine processing. The setting of the sieve mesh adopts a more precise recycling process for different wastes, improving the recycling efficiency.

[0017] In the present invention, by setting the first arc-shaped block, rubber buffer pad, first spring and first telescopic rod in cooperation, the sliding groove is driven to move up and down by the rotation of the push rod, and the waste bin is driven to vibrate by the rebound of the first spring, realizing the efficient separation of the fine plastic debris and the waste of larger plastic workpieces. The vibration of the waste bin drives the sieve mesh to vibrate, which can keep the waste in a continuous moving state, effectively preventing the waste from blocking the sieve holes, and at the same time accelerating the speed of the waste passing through the sieve holes, improving the overall screening efficiency, shortening the screening time, and making the recycling process more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the processing equipment of the present invention;

[0019] Figure 2 is an exploded schematic structural diagram of the processing equipment of the present invention;

[0020] Figure 3 It is a schematic structural diagram of the guiding tube of the present invention;

[0021] Figure 4 It is an exploded schematic structural diagram of the dust collection box of the present invention;

[0022] Figure 5 It is an exploded schematic structural diagram of the waste box of the present invention;

[0023] Figure 6 It is an exploded schematic structural diagram of the guiding tube of the present invention;

[0024] Figure 7 It is a schematic cross-sectional structural diagram of the guiding tube of the present invention;

[0025] Figure 8 It is a schematic structural diagram of the servo motor of the present invention;

[0026] Figure 9 It is an exploded schematic structural diagram of the return-shaped rod of the present invention.

[0027] In the figure, the corresponding relationship between the component names and the drawing reference numbers is as follows: 1, processing equipment; 11, processing bracket; 12, discharge plate; 2, dust collection box; 21, sliding groove; 3, waste box; 31, first arc-shaped block; 32, rubber buffer pad; 33, L-shaped sliding rod; 34, first spring; 35, first telescopic rod; 36, mounting tube; 37, sieve; 4, guiding tube; 41, positioning plate; 42, guide rod; 43, mounting part; 45, telescopic adjusting rod; 5, servo motor; 51, fixed rod; 52, rotating shaft; 53, first gear; 54, push rod; 6, return-shaped rod; 61, guiding groove; 62, thread groove; 63, cleaning brush; 64, second spring; 65, second telescopic rod; 7, reciprocating lead screw; 71, second gear; 72, transmission belt. Detailed implementation manners

[0028] The following further describes in detail the implementation manners of the present invention in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0029] Please refer to Figure 1 - Figure 9, the present invention provides a waste plastic recycling device for plastic printing and processing, including a processing device 1 and a processing support 11. The processing device 1 is fixedly installed on the processing support 11. The processing device 1 is provided with a feeding mechanism for facilitating the feeding of plastic debris, and the processing device 1 is provided with a collection mechanism for facilitating the collection of plastic debris. The feeding mechanism includes a guiding pipe 4, a servo motor 5, a return rod 6, and a reciprocating lead screw 7. The collection mechanism includes a dust collection box 2 and a waste box 3. The waste box 3 is slidably installed on the inner side wall of the dust collection box 2. Two telescopic adjusting rods 45 are fixedly installed between the guiding pipe 4 and the dust collection box 2. A fixing rod 51 is fixedly installed between the servo motor 5 and the guiding pipe 4. The return rod 6 is located on the inner side wall of the guiding pipe 4. A thread groove 62 is formed through the upper end of the return rod 6. The reciprocating lead screw 7 is threadedly rotatably installed on the inner side wall of the thread groove 62. A discharge plate 12 is provided at the lower end of the processing device 1. The dust collection box 2 is located between two processing supports 11. When a user processes a plastic workpiece, the plastic workpiece to be processed is stacked on the feeding platform and fed into the processing device 1 through a feeding device such as a conveyor belt or rollers. The processing device 1 is equipped with a positioning system. When the plastic workpiece is positioned, the processing tool in the processing device 1 starts to work. The tool holder is driven by a hydraulic system or a motor to drive the processing tool to quickly and powerfully press downward. After processing, plastic debris and plastic workpiece waste will be generated and discharged through the discharge plate 12. The processed plastic workpiece is conveyed to the output end of the machine through a conveyor belt. Usually, a collection mechanism is provided at the lower end of the discharge plate 12 to collect the plastic debris;

[0030] At least two sliding grooves 21 are provided at the upper end of the dust collection box 2. Two mounting pipes 36 are provided at both end portions of the waste box 3. Each mounting pipe 36 is slidably mounted on the inner side wall of the sliding groove 21. A screen 37 is fixedly mounted on the inner side wall of the waste box 3. A first arc-shaped block 31 is fixedly mounted at the upper end of the waste box 3. The end of the first arc-shaped block 31 is arc-shaped. A rubber buffer pad 32 is fixedly mounted at the upper end of the first arc-shaped block 31. L-shaped sliding rods 33 are fixedly mounted at both end portions of the waste box 3. Each L-shaped sliding rod 33 is slidably mounted on the inner side wall of each mounting pipe 36. A first spring 34 and a first telescopic rod 35 are fixedly mounted between each L-shaped sliding rod 33 and the mounting pipe 36. Each first telescopic rod 35 is located on the inner side wall of the first spring 34. When the rotating shaft 52 rotates, it will drive the push rod 54 to rotate at the same time. When the push rod 54 rotates and contacts the rubber buffer pad 32, it will drive the waste box 3 to move downward through the rubber buffer pad 32 and the first arc-shaped block 31. The downward movement of the first arc-shaped block 31 drives the waste box 3 to move downward. The downward movement of the waste box 3 will drive the L-shaped sliding rod 33 to slide in the mounting pipe 36. When the push rod 54 rotates away from the edge of the first arc-shaped block 31, the first spring 34 will rebound and drive the waste box 3 to move upward again, thereby realizing the vibration of the waste box 3. When the waste box 3 vibrates, it will pass through the screen 37 to screen and separate relatively fine plastic debris dust and larger plastic workpiece waste, which is convenient for subsequent recycling. When recycling the waste, the user can pull the dust collection box 2 to drive the waste box 3 and the guiding pipe 4 away from under the discharge plate 12, and pull the mounting pipe 36 to drive the waste box 3 away from the inner side wall of the dust collection box 2, and then pour and collect the waste and plastic debris in the waste box 3 and the dust collection box 2 respectively;

[0031] Positioning plates 41 are fixedly mounted at both end portions of the inner side wall of the guiding pipe 4. Two guide rods 42 are fixedly mounted at the lower end of each positioning plate 41. When the device is in use, the dust collection box 2 can be moved directly below the discharge plate 12. The user can adjust the height of the guiding pipe 4 through the telescopic adjusting rod 45 so that the guiding pipe 4 moves to a height adapted to the discharge plate 12 for use. When the discharge plate 12 discharges waste, the guiding pipe 4 can guide the plastic debris, and the plastic debris can enter the waste box 3 along the guiding pipe 4 for collection of the plastic debris;

[0032] The output end of the servo motor 5 is fixedly installed with a rotating shaft 52. The circumferential end of the rotating shaft 52 is fixedly installed with a first gear 53. The circumferential end of the rotating shaft 52 is also fixedly installed with two push rods 54. The ends of the two push rods 54 are both arc-shaped. At least two guiding grooves 61 are formed through the upper end of the looped rod 6. The looped rod 6 is slidably installed on each guide rod 42 through the guiding grooves 61. Cleaning brushes 63 are provided at the four side ends of the looped rod 6. A second spring 64 and a second telescopic rod 65 are fixedly installed between each cleaning brush 63 and the looped rod 6. The lower end of the guiding pipe 4 is fixedly installed with a mounting member 43. When the guiding pipe 4 guides and collects plastic debris, the plastic debris waste generated during the processing of plastic workpieces is likely to generate static electricity due to friction. When the static electricity-carrying plastic debris approaches the inner wall of the guiding pipe 4, the static electricity adsorption effect may cause the plastic debris to adhere to it. The user can start the servo motor 5. When the servo motor 5 is started, it will drive the rotating shaft 52 to rotate. When the rotating shaft 52 rotates, it will drive the first gear 53 to rotate. The rotation of the first gear 53 drives the second gear 71 to rotate through the transmission belt 72. The rotation of the second gear 71 drives the reciprocating lead screw 7 to rotate. When the reciprocating lead screw 7 rotates, it will drive the looped rod 6 to move up and down reciprocally. The movement of the looped rod 6 will drive the cleaning brush 63 to move up and down reciprocally through each second telescopic rod 65 and the second spring 64. When the cleaning brush 63 moves and scrapes the inner side wall of the guiding pipe 4, it will clean the plastic debris adsorbed on the guiding pipe 4;

[0033] The reciprocating lead screw 7 is rotatably installed through the mounting member 43. The circumferential end of the reciprocating lead screw 7 is fixedly installed with a second gear 71. A transmission belt 72 is meshed and sleeved between the second gear 71 and the first gear 53.

[0034] Working principle:

[0035] First step, when the user processes plastic workpieces, the plastic workpieces to be processed are stacked on the feeding platform and are sent into the processing device 1 through feeding devices such as conveyor belts or rollers. The processing device 1 is equipped with a positioning system. When the plastic workpieces are positioned, the processing tools in the processing device 1 start to work. The tool holder is driven by a hydraulic system or a motor, driving the processing tools to press down quickly and powerfully. After the processing is completed, plastic debris and plastic workpiece waste will be generated and discharged by the discharge plate 12. The processed plastic workpieces are conveyed to the output end of the machine through a conveyor belt. Usually, a collection mechanism is provided at the lower end of the discharge plate 12 to collect the plastic debris;

[0036] Second step, when the device is in use, the dust collection box 2 can be moved directly below the discharge plate 12. The user can adjust the height of the guiding pipe 4 through the telescopic adjusting rod 45, so that the guiding pipe 4 is moved to a height adapted to the discharge plate 12 for use. When the discharge plate 12 discharges waste, the guiding pipe 4 can guide the plastic debris, and the plastic debris can enter the waste box 3 along the guiding pipe 4 for collection of the plastic debris;

[0037] By arranging the guiding pipe 4 below the discharge plate 12, after the processing equipment 1 processes plastic workpieces, the generated plastic debris may be scattered into the surrounding environment due to the airflow, static electricity generated by the machine operation, or its own irregular movement. By arranging the guiding pipe 4, the movement path of the waste can be restricted, ensuring that the waste accurately falls into the waste box 3, avoiding the possible dust generation and debris scattering in the production workshop, and eliminating the need for the user to frequently clean the waste around the equipment, saving manpower;

[0038] By cooperating the telescopic adjusting rod 45 with the guiding pipe 4, the position of the guiding pipe 4 can be adjusted. The heights of the discharge plates 12 on different models of processing equipment 1 may be different. The guiding pipe 4 with adjustable height enables it to flexibly cooperate with various processing equipment 1, ensuring that the waste can smoothly fall from the discharge plate 12 through the guiding pipe 4 into the waste box 3, with high flexibility and good adaptability;

[0039] Third step, when the guiding pipe 4 guides and collects the plastic debris, the plastic debris waste generated during the processing of plastic workpieces is very likely to generate static electricity due to friction. When the static electricity - charged plastic debris approaches the inner wall of the guiding pipe 4, the static electricity adsorption effect may cause the plastic debris to adhere to it. The user can start the servo motor 5. Starting the servo motor 5 will drive the rotation of the rotating shaft 52. The rotation of the rotating shaft 52 will drive the rotation of the first gear 53. The rotation of the first gear 53 drives the rotation of the second gear 71 through the transmission belt 72. The rotation of the second gear 71 drives the reciprocating screw rod 7 to rotate. The rotation of the reciprocating screw rod 7 will drive the loop - shaped rod 6 to move up and down reciprocally. The movement of the loop - shaped rod 6 will drive the cleaning brush 63 to move up and down reciprocally through each second telescopic rod 65 and second spring 64. When the cleaning brush 63 moves and scrapes the inner side wall of the guiding pipe 4, it will clean the plastic debris adsorbed on the guiding pipe 4;

[0040] By cooperating the loop - shaped rod 6 with the cleaning brush 63, the loop - shaped rod 6 drives the cleaning brush 63 to move up and down reciprocally to clean the plastic debris adsorbed in the guiding pipe 4, timely removing the static electricity - adsorbed plastic debris, preventing the plastic debris from continuously accumulating in the guiding pipe 4, thus always keeping the guiding plate clean, ensuring that the waste can smoothly pass through the guiding pipe 4 and fall into the waste box 3, and avoiding problems such as affecting the waste recycling due to the accumulation of plastic debris and recycling omission;

[0041] In the fourth step, when the rotating shaft 52 rotates, it will drive the push rod 54 to rotate simultaneously. When the push rod 54 rotates and contacts the rubber buffer pad 32, it will drive the waste box 3 to move downward through the rubber buffer pad 32 and the first arc-shaped block 31. The downward movement of the first arc-shaped block 31 drives the waste box 3 to move downward. The downward movement of the waste box 3 will drive the L-shaped sliding rod 33 to slide in the installation pipe 36. When the push rod 54 rotates away from the edge of the first arc-shaped block 31, the first spring 34 will rebound and drive the waste box 3 to move upward again, thereby realizing the vibration of the waste box 3. When the waste box 3 vibrates, it will pass through the screen 37 to screen and separate the relatively fine plastic debris dust and the larger plastic workpiece waste, which is convenient for subsequent recycling. When recycling the waste, the user can pull the dust collection box 2 to drive the waste box 3 and the guiding pipe 4 away from below the discharge plate 12, and pull the installation pipe 36 to drive the waste box 3 away from the inner side wall of the dust collection box 2, and then pour and collect the waste and plastic debris in the waste box 3 and the dust collection box 2 respectively;

[0042] By setting the waste box 3 and the screen 37 to cooperate with each other, this device can separate and collect the fine plastic debris and the larger plastic workpiece waste through the screen 37, which is convenient for different treatments of the waste in the later stage. For the larger plastic workpiece waste, the recycling process may focus more on physical treatments such as crushing and pulping, while the recycling of the fine plastic debris dust may involve chemical treatments or fine processing. The setting of the screen 37 adopts a more precise recycling process for different wastes, improving the recycling efficiency;

[0043] By setting the first arc-shaped block 31, the rubber buffer pad 32, the first spring 34 and the first telescopic rod 35 to cooperate with each other, this device drives the sliding groove 21 to move up and down through the rotation of the push rod 54, and drives the waste box 3 to vibrate through the rebound of the first spring 34, realizing the efficient separation of the fine plastic debris and the larger plastic workpiece waste. The vibration of the waste box 3 driving the screen 37 can keep the waste in a continuous moving state, effectively preventing the waste from blocking the screen holes, and at the same time can also accelerate the speed of the waste passing through the screen holes, improving the overall screening efficiency, shortening the screening time, and making the recycling process more efficient.

[0044] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the invention and its practical applications, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for specific purposes.

Claims

1. A waste plastic recycling device for plastic printing processing, comprising a processing device (1) and a processing support (11), wherein the processing device (1) is fixedly mounted on the processing support (11), and is characterized in that: The processing equipment (1) is provided with a material guiding mechanism for guiding the plastic debris, and the processing equipment (1) is provided with a collection mechanism for collecting the plastic debris; The material guiding mechanism comprises a guide tube (4), a servo motor (5), a reciprocating rod (6) and a reciprocating screw rod (7); the collecting mechanism comprises a dust box (2) and a waste box (3); the waste box (3) is slidably mounted on the inner wall of the dust box (2); two telescopic adjustment rods (45) are fixedly mounted between the guide tube (4) and the dust box (2); a fixed rod (51) is fixedly mounted between the servo motor (5) and the guide tube (4); the reciprocating rod (6) is located on the inner wall of the guide tube (4); a wire groove (62) is penetrated through the upper end of the reciprocating rod (6); and the reciprocating screw rod (7) is threadedly mounted on the inner wall of the wire groove (62).

2. A waste plastic recycling device for plastic printing processing as claimed in claim 1, characterized in that: A discharge plate (12) is provided at the lower end of the processing equipment (1), and the dust collecting box (2) is located between two processing brackets (11).

3. A waste plastic recycling device for plastic printing processing as claimed in claim 2, characterized in that: The upper end of the dust collecting box (2) is provided with at least two sliding grooves (21), and the two side ends of the waste box (3) are provided with two mounting tubes (36), and each mounting tube (36) is slidably mounted on the inner side wall of the sliding groove (21).

4. A waste plastic recycling device for plastic printing processing as claimed in claim 3, characterized in that: A screen (37) is fixedly mounted on the inner wall of the waste box (3), a first arc block (31) is fixedly mounted on the upper end of the waste box (3), the end of the first arc block (31) is arc-shaped, and a rubber buffer pad (32) is fixedly mounted on the upper end of the first arc block (31).

5. A waste plastic recycling device for plastic printing processing as claimed in claim 4, characterized in that: L-shaped sliding rods (33) are fixedly installed at both end portions of the waste box (3), each of the L-shaped sliding rods (33) is slidably installed on the inner side wall of each mounting tube (36), and a first spring (34) and a first telescopic rod (35) are fixedly installed between each of the L-shaped sliding rods (33) and the mounting tube (36); Wherein, each of the first telescopic rods (35) is located on the inner side wall of the first spring (34).

6. A waste plastic recycling device for plastic printing processing as claimed in claim 5, characterized in that: Positioning plates (41) are fixedly mounted on both side ends of the inner side wall of the guide tube (4), and two guide rods (42) are fixedly mounted on the lower end of each positioning plate (41).

7. A waste plastic recycling device for plastic printing processing as claimed in claim 6, characterized in that: A rotating shaft (52) is fixedly mounted on the output end of the servo motor (5), a first gear (53) is fixedly mounted on the circumferential end of the rotating shaft (52), and two push rods (54) are also fixedly mounted on the circumferential end of the rotating shaft (52); Wherein, the ends of the two push rods (54) are both arc-shaped.

8. A waste plastic recycling device for plastic printing processing as claimed in claim 7, characterized in that: At least two guide grooves (61) are formed through the upper end of the revolving rod (6), and the revolving rod (6) is slidably mounted on each guide rod (42) through the guide grooves (61). Cleaning brushes (63) are provided at the four side ends of the revolving rod (6), and a second spring (64) and a second telescopic rod (65) are fixedly mounted between each cleaning brush (63) and the revolving rod (6).

9. A waste plastic recycling device for plastic printing processing as claimed in claim 8, characterized in that: A mounting member (43) is fixedly mounted on the lower end of the guide tube (4), and the reciprocating screw rod (7) is rotatably mounted on the mounting member (43) through which it passes.

10. A waste plastic recycling device for plastic printing processing as claimed in claim 9, characterized in that: A second gear (71) is fixedly mounted on the circumferential end of the reciprocating screw rod (7), and a transmission toothed belt (72) is meshedly sleeved between the second gear (71) and the first gear (53).

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