Plastic crushing device for PP sheet processing

Abstract

The utility model belongs to the field of plastic crushing, and particularly relates to a PP sheet processing plastic crushing device which comprises a bottom plate, supporting plates are fixedly connected to the left side and the right side of the top of the bottom plate, a crushing box is fixedly connected to the tops of the two supporting plates jointly, and a crushing groove is formed in the upper portion of the interior of the crushing box. And the upper surface of the interior of the crushing groove communicates with the outside, open holes are formed in the centers of the left side and the right side of the interior of the crushing groove correspondingly, the right side of the interior of the open hole in the right side communicates with the outside, and a second rotating rod is rotationally connected to the interior of the open hole through a bearing. The shielding assembly arranged at the position of the feeding port in the feeding hopper shields the feeding port, PP sheets are not prone to splashing when being crushed in the crushing box and cannot be jetted out of the feeding port, and therefore the device is safe to use, meanwhile, the PP sheets needing to be crushed can conveniently enter the crushing box through the shielding assembly to be crushed, and the crushing efficiency is improved. Therefore, the device is convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of plastic crushing, in particular to a plastic crushing device for PP sheet material processing. Background Art

[0002] Polypropylene (PP) is a thermoplastic resin made by propylene polymerization. It is a translucent, odorless, non-toxic solid. It is a relatively light product among plastics and has excellent chemical stability. It is often used in the production of catering utensils or other packaging of products that require high temperature resistance. In the production process of PP sheets, when the existing plastic crusher drives the moving knife to cooperate with the fixed knife to shear and crush the PP sheet, due to the characteristics of the PP sheet being light in texture and good in toughness, the high-speed rotating moving knife and the fixed knife extrusion and shearing of the PP sheet can easily cause splashing in the PP sheet crusher and bursting out from the crusher's feed port, which is dangerous. Therefore, a plastic crushing device for PP sheet processing is proposed to address the above problems. Utility Model Content

[0003] In order to make up for the shortcomings of the prior art and solve the problem that most of the existing plastic crushing devices easily cause PP sheets to splash and burst out from the feed inlet when crushing PP sheets, the utility model provides a plastic crushing device for processing PP sheets.

[0004] The technical solution adopted by the utility model to solve its technical problems is as follows: a plastic crushing device for PP sheet processing described in the utility model comprises a bottom plate, support plates are fixedly connected to the left and right sides of the top of the bottom plate, a crushing box is fixedly connected to the top of the two support plates, a crushing groove is opened on the top of the crushing box, and the upper surface of the crushing groove is communicated with the outside, openings are opened at the centers of the left and right sides of the crushing groove, and the right side of the right opening is communicated with the outside, a rotating rod 2 is rotatably connected to the inside of the opening through a bearing, a moving knife is fixedly connected between the two rotating rods 2, a fixed knife is fixedly connected to the center of the front and rear surfaces of the crushing groove, a motor is fixedly installed above the center of the right side of the crushing box, the output end of the motor is located in the right side of the opening, and is fixedly connected to the right end of the right side of the rotating rod 2, a discharge port with a vertical through-type is opened at the center of the lower surface of the crushing groove, a slot is opened on the inner side wall of the discharge port, and the front surface of the slot passes through the front surface of the crushing box, and a The plug plate has an installation groove that penetrates up and down at the center of the plug plate, and a screen is fixedly connected to the inner side wall of the installation groove. A connecting component is commonly provided between the left and right sides of the plug plate and the left and right sides of the crushing box, and the plug plate is installed with the crushing box through the connecting component. A feeding hopper is fixedly connected to the top of the crushing box, and an up and down penetrating feeding port is provided at the center of the feeding hopper. A shielding component is provided inside the feeding port, and the feeding port is shielded by the shielding component provided at the feeding port inside the feeding hopper, so that the PP sheet is not easy to splash when being crushed inside the crushing box, and will not burst out from the feeding port, so that the device is safer when used, and the PP sheet that needs to be crushed can also enter the crushing box through the shielding component for crushing, so that the device is convenient to use, and the crushed PP sheet is filtered through the screen, and the screen is convenient to be disassembled, cleaned and reinstalled through the connecting component, and it is avoided that the screen is blocked and it is inconvenient to clean it in time to affect the filtering of the screen, so that the device is more practical.

[0005] Preferably, the interior of the feed port is communicated with the interior of the crushing tank and the interior of the discharge port.

[0006] Preferably, the top of the screen corresponds to the inside of the crushing groove, and the fixed knife and the movable knife are arranged alternately, so that the screen can filter the crushed PP sheet and the movable knife can rotate to crush the PP sheet.

[0007] Preferably, the shielding assembly includes two shielding plates, and the two shielding plates are arranged in the front and rear above the feed port, and sockets are opened in the front and rear of the left and right sides of the feed port. A rotating rod 1 is rotatably connected between the insides of the two front sockets and the insides of the two rear sockets through a torsion spring, and the outer surface of the rotating rod 1 passes through the inside of the shielding plate and is fixedly connected to the inside of the shielding plate. When the PP sheet is crushed, the shielding plate closes and blocks the feed port to prevent fragments from bursting out of the feed port during the crushing process, and also facilitates the PP sheet to enter the feed port.

[0008] Preferably, the front and rear surfaces of the shielding plate are both arranged in an arc shape to facilitate the rotation and opening of the shielding plate.

[0009] Preferably, the connecting assembly includes an inner groove, and the inner groove is opened inside the crushing box, the front surface of the inner groove is communicated with the outside, a fixing ring is fixedly connected to the front of the inner groove, a sliding ring is slidably connected to the rear of the inner groove, a spring is fixedly connected between the sliding ring and the fixing ring, a connecting rod is rotatably connected to the inside of the sliding ring through a bearing, the front end of the connecting rod passes through the spring, the fixing ring and the front surface of the crushing box, and is fixedly connected with a connecting plate, a limiting groove is opened on the front surface of the plug plate, a limiting block is inserted in the limiting groove, and the front surface of the limiting block is fixedly connected to the rear surface of the connecting plate, the connecting plate is pulled to move the limiting block out of the limiting groove, and the connecting plate is rotated after moving, when the limiting block rotates away from the position corresponding to the plug plate, the plug plate can be pulled out so that the plug plate can be disassembled, and the disassembly and cleaning of the screen are convenient.

[0010] Preferably, the rear surface of the connecting plate is in contact with the front surface of the crushing box, and a handle is fixedly connected to the center of the front surface of the connecting plate, so that the movement of the connecting plate is facilitated by the handle.

[0011] The utility model is beneficial in that:

[0012] 1. The utility model covers the feed inlet by means of a shielding component arranged at the feed inlet inside the feed hopper, and makes it difficult for the PP sheet to splash when being crushed inside the crushing box, and will not burst out from the feed inlet, so that the device is safer to use. At the same time, the PP sheet to be crushed can also easily pass through the shielding component to enter the crushing box for crushing, so that the device is easy to use.

[0013] 2. The utility model filters the crushed PP sheets through the screen, and the screen can be easily disassembled, cleaned and reinstalled through the connecting assembly, and the inconvenience of timely cleaning after the screen is blocked, which affects the filtering of the screen, so that the device is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure in the first embodiment;

[0016] Figure 2 It is a schematic diagram of a partial front cross-section structure in the first embodiment;

[0017] Figure 3 It is a schematic diagram of a partial top-sectional structure in Embodiment 1;

[0018] Figure 4 It is a schematic diagram of the top-sectional structure of the connection assembly in the first embodiment;

[0019] Figure 5 This is a schematic diagram of the handle structure in the second embodiment.

[0020] In the figure: 1. bottom plate; 2. support plate; 3. connecting assembly; 301. inner groove; 302. sliding ring; 303. connecting rod; 304. spring; 305. fixing ring; 306. connecting plate; 307. handle; 308. limit block; 309. limit groove; 4. crushing box; 5. feed hopper; 6. feed port; 7. shielding assembly; 701. shielding plate; 702. socket; 703. torsion spring; 704. rotating rod one; 8. motor; 9. plug plate; 10. slot; 11. discharge port; 12. screen; 13. installation slot; 14. crushing slot; 15. moving knife; 16. opening; 17. rotating rod two; 18. fixed knife; 19. handle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figure 1-4As shown, a plastic crushing device for PP sheet processing comprises a bottom plate 1, support plates 2 are fixedly connected to the left and right sides of the top of the bottom plate 1, a crushing box 4 is fixedly connected to the top of the two support plates 2, a crushing groove 14 is opened on the top of the crushing box 4, and the upper surface of the crushing groove 14 is communicated with the outside, openings 16 are opened at the center of the left and right sides of the crushing groove 14, and the right side of the opening 16 on the right side is communicated with the outside, a rotating rod 17 is rotatably connected to the inside of the opening 16 through a bearing, a moving knife 15 is fixedly connected between the two rotating rods 17, a fixed knife 18 is fixedly connected to the center of the front and rear surfaces of the crushing groove 14, a motor 8 is fixedly installed on the top of the right center of the crushing box 4, and the output end of the motor 8 is located inside the opening 16 on the right side and communicates with the right The right end of the rotating rod 17 is fixedly connected to the side, and a discharge port 11 that penetrates up and down is provided at the center of the lower surface inside the crushing groove 14, and a slot 10 is provided on the inner side wall of the discharge port 11, and the front surface of the slot 10 penetrates the front surface of the crushing box 4, and a plug plate 9 is inserted in the slot 10, and a mounting groove 13 that penetrates up and down is provided at the center of the plug plate 9, and a screen 12 is fixedly connected to the inner side wall of the mounting groove 13, and a connecting component 3 is commonly provided between the left and right sides of the plug plate 9 and the left and right sides of the crushing box 4, and the plug plate 9 is installed with the crushing box 4 through the connecting component 3, and a feeding hopper 5 is fixedly connected to the top of the crushing box 4, and a feeding port 6 that penetrates up and down is provided at the center of the feeding hopper 5, and a shielding component 7 is provided inside the feeding port 6;When working, first fit the bottom of the bottom plate 1 to the flat ground so that the device can be stably placed on the flat ground, and after being stably placed, the PP sheet to be crushed enters the crushing groove 14 through the feeding port 6 of the feeding hopper 5 for crushing, and then the motor 8 is connected to the external power supply so that the motor 8 rotates to drive the rotating rod 17 to rotate, and after the rotating rod 17 rotates, it drives the moving knife 15 to rotate and cooperates with the fixed knife 18 to enter the PP sheet inside the crushing groove 14 for crushing, and during the crushing process, the shielding component 7 is used to prevent the fragments from bursting out of the feeding port 6, and then the crushed PP sheet is filtered through the screen 12 and goes out from the discharge port 11, and the collection box is placed on the bottom plate 1 in advance to correspond to the discharge port 11, and after using it for a period of time, the plug plate 9 can be connected by connecting the assembly valence The screen 12 is disassembled and cleaned, or the screen 12 is blocked and promptly disassembled and cleaned through the connecting component 3, so the shielding component 7 set at the feed port 6 inside the feed hopper 5 covers the feed port 6, and makes it difficult for the PP sheet to splash when it is broken inside the crushing box 4, and will not burst out from the feed port 6, so that the device is safer to use, and the PP sheet that needs to be broken is also convenient to enter the crushing box 4 through the shielding component 7 for breaking, so that the device is easy to use, and the crushed PP sheet is filtered through the screen 12, and the screen 12 is convenient to be disassembled, cleaned and reinstalled through the connecting component 3, and it is avoided that the screen 12 is blocked and it is inconvenient to clean it in time and affect the filtering of the screen 12, so that the device is more practical. ;

[0024] The interior of the feed port 6 is communicated with the interior of the crushing trough 14 and the interior of the discharge port 11; during operation, it is convenient for the PP sheet to flow out of the discharge port 11 through the feed port 6 and the crushing trough 14.

[0025] The top of the screen 12 corresponds to the inside of the crushing groove 14, and the fixed knife 18 and the movable knife 15 are arranged alternately; when working, the screen 12 is convenient for filtering the crushed PP sheet, and the movable knife 15 is convenient for rotating to crush the PP sheet.

[0026] The shielding assembly 7 includes two shielding plates 701, and the two shielding plates 701 are arranged in front and rear above the feeding port 6. The front and rear of the left and right sides of the feeding port 6 are provided with plug holes 702. The insides of the two front plug holes 702 and the insides of the two rear plug holes 702 are rotatably connected by a rotating rod 704 through a torsion spring 703. The outer surface of the rotating rod 704 passes through the inside of the shielding plate 701 and is fixedly connected to the inside of the shielding plate 701. When working, the shielding plate 701 is squeezed to make the shielding plate 701 The baffle 701 is opened by the rotation of the rotating rod 704, and the shielding plate 701 squeezes the torsion spring 703 when rotating, so that the torsion spring 703 has a rebound force. Then, after the PP sheet enters the crushing groove 14 from the feed port 6, the shielding plate 701 is released from the squeezing, and then it is closed by rotating the rotating rod 704 under the action of the rebound force of the torsion spring 703. In this way, the shielding plate 701 can close and block the feed port 6 when the PP sheet is crushed, and prevent fragments from bursting out of the feed port 6 during the crushing process, and also facilitate the PP sheet to enter the feed port 6.

[0027] The front and rear surfaces of the shielding plate 701 are both arranged in an arc shape, so that the shielding plate 701 can be easily rotated and opened during operation.

[0028] The connecting assembly 3 includes an inner groove 301, and the inner groove 301 is opened inside the crushing box 4, the inner front surface of the inner groove 301 is connected to the outside, a fixing ring 305 is fixedly connected to the front of the inner groove 301, a sliding ring 302 is slidably connected to the rear of the inner groove 301, a spring 304 is fixedly connected between the sliding ring 302 and the fixing ring 305, a connecting rod 303 is rotatably connected to the inside of the sliding ring 302 through a bearing, and the connecting rod 303 is The front end penetrates the spring 304, the fixing ring 305 and the front surface of the crushing box 4, and is fixedly connected with a connecting plate 306. A limiting groove 309 is provided on the front surface of the plug plate 9. A limiting block 308 is inserted into the limiting groove 309, and the front surface of the limiting block 308 is fixedly connected to the rear surface of the connecting plate 306. When working, the connecting plate 306 is pulled to drive the limiting block 308 to move, and the limiting block 308 can be moved from the limiting groove 309. 9 is moved out of the limited connection with the plug plate 9, and then the connecting plate 306 is rotated so that the connecting plate 306 rotates under the limited position of the rotation connection between the connecting rod 303 and the sliding ring 302, and when the limit block 308 rotates away from the position corresponding to the plug plate 9, the plug plate 9 can be pulled out so that the plug plate 9 can be disassembled, and the disassembly and cleaning of the screen 12 are convenient. Then, when the plug plate 9 is installed again, the plug plate 9 is plugged into the slot 10, and then the connecting plate 306 is pulled so that the connecting plate 306 drives the connecting rod 30 3 and the sliding ring 302 move to squeeze the spring 304, and the spring 304 has a rebound force after being squeezed, and then the connecting plate 306 is rotated again to make the limit block 308 correspond to the limit groove 309, and then the connecting plate 306 is loosened so that the connecting plate 306 and the limit block 308 move under the action of the rebound force of the spring 304, and the limit block 308 is inserted into the limit groove 309 to limit the plug plate 9, and the plug plate 9 and the screen 12 are reinstalled firmly after disassembly and cleaning.

[0029] The rear surface of the connecting plate 306 is in contact with the front surface of the crushing box 4 , and a handle 307 is fixedly connected to the center of the front surface of the connecting plate 306 ; during operation, the handle 307 facilitates the movement of the connecting plate 306 .

[0030] Embodiment 2

[0031] See also Figure 5 As shown, in contrast to Example 1, as another implementation of the present utility model, the front surface of the insert plate 9 passes through the front surface of the crushing box 4, and a handle 19 is fixedly connected at the center; during operation, the handle 19 facilitates the movement of the insert plate 9.

[0032] Working principle: first, the bottom of the bottom plate 1 is fitted with the flat ground so that the device is stably placed on the flat ground, and after the device is stably placed, the PP sheet to be crushed enters the crushing groove 14 through the feeding port 6 of the feeding hopper 5 for crushing, and the shielding plate 701 is squeezed so that the shielding plate 701 is rotated and opened by the rotation of the rotating rod 704, and the shielding plate 701 squeezes the torsion spring 703 when rotating so that the torsion spring 703 has a rebound force, and then after the PP sheet enters the crushing groove 14 from the feeding port 6, the shielding plate 701 is separated from the squeezing, and the torsion spring 703 is opened. 3 is closed by rotating rod 1 704, and then motor 8 is connected to external power source so that motor 8 rotates to drive rotating rod 2 17 to rotate, and rotating rod 2 17 rotates to drive moving knife 15 to rotate and cooperate with fixed knife 18 to enter PP sheet inside crushing slot 14 for crushing, and in the crushing process, shielding plate 701 is used to close and shield the feed port 6 to prevent the fragments from bursting out of the feed port 6 during the crushing process, and then the crushed PP sheet is filtered through screen 12 and goes out from discharge port 11, and the collection box is placed on the bottom plate 1 in advance to prevent the PP sheet from being crushed. 11, and at the same time, by pulling the connecting plate 306, the connecting plate 306 drives the limit block 308 to move, and after the limit block 308 moves, it can be moved out from the inside of the limit groove 309 to break away from the limit connection with the plug plate 9, and then the connecting plate 306 is rotated to rotate under the limit of the rotation connection between the connecting rod 303 and the sliding ring 302, and when the limit block 308 rotates away from the position corresponding to the plug plate 9, the plug plate 9 can be pulled out so that the plug plate 9 can be disassembled, and the disassembly and cleaning of the screen 12 are convenient, and then when the plug plate 9 is installed again, the plug plate 9 is plugged into the slot 10 Inside, then pull the connecting plate 306 so that the connecting plate 306 drives the connecting rod 303 and the sliding ring 302 to move and squeeze the spring 304, and the spring 304 has a rebound force after being squeezed, and then rotate the connecting plate 306 again to make the limit block 308 correspond to the limit groove 309, and then loosen the connecting plate 306 so that the connecting plate 306 and the limit block 308 move under the action of the rebound force of the spring 304, and make the limit block 308 inserted in the limit groove 309 to limit the plug plate 9, and make the plug plate 9 and the screen 12 firmly installed again after disassembly and cleaning.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A plastic crushing device for PP sheet processing, characterized in that: The invention comprises a bottom plate (1), wherein the top left and right sides of the bottom plate (1) are fixedly connected to support plates (2), the tops of the two support plates (2) are commonly fixedly connected to a crushing box (4), a crushing groove (14) is provided at the top of the crushing box (4), and the upper surface of the crushing groove (14) is communicated with the outside, an opening (16) is provided at the center of the left and right sides of the crushing groove (14), and the right side of the right opening (16) is communicated with the outside, a rotating rod (17) is rotatably connected to the inside of the opening (16) through a bearing, a moving knife (15) is fixedly connected between the two rotating rods (17), a fixed knife (18) is fixedly connected to the center of the front and rear surfaces of the crushing groove (14), and a motor (8) is fixedly installed at the top of the right center of the crushing box (4), the output end of the motor (8) is located inside the right opening (16) and is connected to the right end of the rotating rod (17) on the right side. The crushing box (4) is fixedly connected to the crushing groove (14), the center of the lower surface of the crushing groove (14) is provided with a discharge port (11) which penetrates upward and downward, the inner side wall of the discharge port (11) is provided with a slot (10), and the front surface of the slot (10) penetrates the front surface of the crushing box (4), a plug plate (9) is inserted in the slot (10), the center of the plug plate (9) is provided with a mounting slot (13) which penetrates upward and downward, the inner side wall of the mounting slot (13) is fixedly connected with a screen (12), the left and right sides of the plug plate (9) and the left and right sides of the crushing box (4) are both provided with a connecting component (3), and the plug plate (9) is installed with the crushing box (4) through the connecting component (3), the top of the crushing box (4) is fixedly connected with a feed hopper (5), the center of the feed hopper (5) is provided with a feed port (6) which penetrates upward and downward, and a shielding component (7) is provided inside the feed port (6).

2. The plastic crushing device for PP sheet processing according to claim 1, characterized in that: The interior of the feed port (6) is in communication with the interior of the crushing tank (14) and the interior of the discharge port (11).

3. The plastic crushing device for PP sheet processing according to claim 2 is characterized in that: The top of the screen (12) corresponds to the inside of the crushing groove (14), and the fixed knife (18) and the movable knife (15) are arranged alternately.

4. The plastic crushing device for PP sheet processing according to claim 3 is characterized in that: The shielding assembly (7) comprises two shielding plates (701), and the two shielding plates (701) are arranged in front and rear above the feed port (6); the front and rear of the left and right sides of the feed port (6) are provided with insertion holes (702); the interiors of the two front insertion holes (702) and the interiors of the two rear insertion holes (702) are rotatably connected by a rotating rod 1 (704) via a torsion spring (703); the outer surface of the rotating rod 1 (704) passes through the interior of the shielding plate (701) and is fixedly connected to the interior of the shielding plate (701).

5. The plastic crushing device for PP sheet processing according to claim 4, characterized in that: The front and rear surfaces of the shielding plate (701) are both arranged in an arc shape.

6. The plastic crushing device for PP sheet processing according to claim 5, characterized in that: The connecting assembly (3) comprises an inner groove (301), and the inner groove (301) is arranged inside the crushing box (4), the inner front surface of the inner groove (301) is communicated with the outside, a fixing ring (305) is fixedly connected to the front of the inner groove (301), a sliding ring (302) is slidably connected to the rear of the inner groove (301), a spring (304) is fixedly connected between the sliding ring (302) and the fixing ring (305), and the sliding ring (302) is provided with a spring (304) inside. The connecting rod (303) is rotatably connected to the part through a bearing, the front end of the connecting rod (303) penetrates the spring (304), the fixing ring (305) and the front surface of the crushing box (4), and is fixedly connected to a connecting plate (306), the front surface of the plug plate (9) is provided with a limiting groove (309), a limiting block (308) is inserted into the limiting groove (309), and the front surface of the limiting block (308) is fixedly connected to the rear surface of the connecting plate (306).

7. The plastic crushing device for PP sheet processing according to claim 6, characterized in that: The rear surface of the connecting plate (306) is in contact with the front surface of the crushing box (4), and a handle (307) is fixedly connected to the center of the front surface of the connecting plate (306).

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