Plastic particle cutting machine
By designing a plastic pellet cutting machine, the problem of moisture erosion of metal parts was solved by utilizing the reverse rotation of the cutting roller and the conveying roller, the crossbar vibration, and the air drying technology, thereby improving the durability and reliability of the equipment.
Patent Information
- Application Number
- CN202423172804.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In existing pelletizers, the plastic strips containing moisture are in constant contact with metal parts, causing corrosion of the metal parts, reducing their strength and lifespan, and increasing the probability of equipment damage.
A plastic pellet cutting machine was designed. By driving the cutting roller and the conveying roller to rotate in opposite directions, combined with the reciprocating motion of the crossbar and the positive pressure of the air guide shell, the plastic strips are shaken and dried to remove moisture and prevent moisture from corroding the metal parts.
It effectively removes moisture from the surface of the plastic strips, protects metal parts, extends the service life of the pelletizer, and reduces the probability of equipment damage.
Smart Images
Figure CN223749999U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cutting machine technical field especially relates to a kind of plastic particle cutting machine. BACKGROUND
[0002] The cutting machine is a kind of mechanical equipment for cutting plastic raw materials or recycled plastic products into small particles. It is widely used in the plastic processing industry, including plastic recycling, plastic pelletizing and reprocessing of plastic products.
[0003] In the use process of the existing cutting machine, the plastic is processed into plastic strips by an extruder, and then the extruded plastic strips are cooled in a water tank. The cooled plastic strips are then fed into the cutting machine for cutting. However, in the actual processing process, the plastic strips containing water will adhere to the metal parts in the cutting machine for a long time, which can easily cause the metal parts to be eroded, reducing the service strength and life of the metal parts, and increasing the damage probability of the cutting machine. Therefore, to solve the above-mentioned problems, a plastic particle cutting machine is provided. SUMMARY
[0004] The utility model aims at solving the problem of the existing technology that the plastic strips containing water are in contact with the metal parts in the cutting machine for a long time, which can easily cause the metal parts to be eroded, reducing the service strength and life of the metal parts, and increasing the damage probability of the cutting machine. A plastic particle cutting machine is provided.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0006] A plastic particle cutting machine includes a machine body with a feed bin installed on the top. The feed bin is equipped with a cutting assembly. It also includes a crossbar for lifting plastic strips. The feed inlet of the feed bin is fixedly connected with a supporting plate, which is provided with a jacking part for driving the crossbar to move. The movement direction of the crossbar intersects with the advancing direction of the plastic strips. Two air guide shells are fixedly connected to the supporting plate. The opposite surfaces of the two air guide shells are provided with air inlets. The supporting plate is provided with a positive pressure part for generating continuous positive pressure in the air guide shells.
[0007] To cut the plastic, the cutting assembly preferably includes a cutting roller and a conveying roller installed in the feed bin. The feed bin is provided with a driving member for driving the cutting roller and the conveying roller to rotate in opposite directions.
[0008] In order to drive the cutting roll and the conveying roll to rotate, further, the driving member comprises a motor fixedly installed on the outer wall of the feeding bin, the output end of the motor is fixedly connected with the rotating shaft of the cutting roll, and the rotating shafts of the cutting roll and the conveying roll are fixedly connected with the gear engaged with each other.
[0009] In order to drive the cross rod to shake the plastic strip, further, the jacking part comprises a rotating rod rotatably connected to the supporting plate, and a cam is fixedly connected to the rotating rod, wherein one end of the cam is fixedly connected with the rotating shaft of the conveying roll through a belt wheel, and the supporting plate is provided with an elastic member.
[0010] In order to support and guide the cross rod, further, the elastic member comprises a sliding block and a spring, a sliding groove is formed through the supporting plate, the sliding block is longitudinally and slidingly connected in the sliding groove, wherein the two ends of the spring are fixedly connected with the inner wall of the sliding groove and the surface of the sliding block, and the cross rod is fixedly connected to the sliding block, and when the cam rotates, the cam intermittently slides over the surface of the sliding block.
[0011] In order to reduce the frictional resistance of the plastic strip during transmission and cutting, preferably, a circular tube is rotatably connected to the cross rod, and the surface of the circular tube is smooth.
[0012] In order to make the air guide shell generate continuous positive pressure, preferably, the positive pressure part comprises a shell fixedly connected to the outer wall of the supporting plate, the shell is communicated with the air guide shell through a gas conveying pipe,
[0013] Wherein, the fan is fixedly installed in the shell, the air inlet end of the fan faces the air inlet of the shell, and the air outlet end of the shell faces the air inlet of the gas conveying pipe.
[0014] In order to improve the work safety of workers, further, the shell is fixedly installed with a protective fence, and the protective fence is located at the air inlet of the shell.
[0015] In order to assist in supporting and transmitting the plastic strip, further, a supporting roll is rotatably connected in the feeding bin, and the supporting roll is located between the air guide shell and the conveying roll.
[0016] In order to re-discharge the water shaken off the plastic strip into the pool, preferably, a flow guide plate is fixedly connected in the supporting plate, and the inclination angle of the flow guide plate is 15°-20°.
[0017] Compared with the prior art, the plastic particle cutting machine has the following beneficial effects:
[0018] 1. The plastic particle cutting machine can provide driving force for the cutting roll and the conveying roll by starting the motor, so that the cutting roll and the conveying roll rotate in opposite directions, and the plastic can be conveyed and cut.
[0019] 2、The plastic particle cutting machine, through the rotation of the conveying roller, can also drive the horizontal rod to reciprocate up and down, and then impact and shake the conveyed plastic strip, so that the water attached to the plastic strip is shaken off, avoids the plastic strip from taking a large amount of water into the cutting machine, makes the metal parts in the cutting machine not easy to be eroded by the water on the plastic strip, ensures the use strength and service life of the metal parts in the cutting machine, and thereby reduces the damage probability of the cutting machine.
[0020] 3、The plastic particle cutting machine, through the cooperation of the started fan, the air guide shell and the air port, can quickly air dry the plastic strip shaken during the conveying process, further removes the residual water on the surface of the plastic strip, thereby improving the water removal effect on the plastic strip, and being beneficial to prolonging the service life of the cutting machine.
[0021] The parts not involved in the device are the same as or can be realized by the prior art, and the utility model solves the problem that the plastic strip containing water in the prior art long-term contacts the metal parts in the cutting machine, which easily causes the metal parts to be eroded, reduces the strength and service life of the metal parts, and further increases the damage probability of the cutting machine. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a first perspective axonometric structural schematic view of a plastic particle cutting machine proposed by the utility model;
[0023] Figure 2 It is a second perspective axonometric structural schematic view of a plastic particle cutting machine proposed by the utility model;
[0024] Figure 3 It is a local axonometric structural schematic view of a plastic particle cutting machine proposed by the utility model Figure 1 ;
[0025] Figure 4 It is a cutting roller structural schematic view of a plastic particle cutting machine proposed by the utility model;
[0026] Figure 5 It is a local axonometric structural schematic view of a plastic particle cutting machine proposed by the utility model Figure 2 ;
[0027] Figure 6 It is an air guide shell structural schematic view of a plastic particle cutting machine proposed by the utility model;
[0028] Figure 7 It is a horizontal rod structural schematic view of a plastic particle cutting machine proposed by the utility model;
[0029] Figure 8 It is a cam structural schematic view of a plastic particle cutting machine proposed by the utility model.
[0030] In the figure: 1, the body; 2, feed bin; 21, cutting roll; 22, conveying roll; 23, motor; 24, gear; 3, support plate; 4, cross bar; 41, sliding block; 42, sliding groove; 43, spring; 44, round pipe; 5, air guide shell; 6, air port; 61, shell; 62, gas conveying pipe; 63, fan; 64, guardrail; 7, cam; 71, rotating rod; 72, pulley; 8, supporting roll; 9, guide plate. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" 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, and therefore cannot be understood as a limitation on the present application.
[0033] Embodiment:
[0034] With reference to Figures 1-8 The embodiment of the present application provides a plastic particle cutting machine, which comprises a body 1 provided with a feed bin 2 at the top, universal wheels are arranged at the bottom of the body 1, so as to improve the flexibility of the cutting machine, a discharge port is arranged on one side of the body 1, for discharging the cut plastic particles, a cutting assembly is arranged in the feed bin 2, and the plastic particle cutting machine further comprises: a cross bar 4 for lifting plastic strips, wherein a support plate 3 is fixedly connected at the feed inlet of the feed bin 2, a jacking part is arranged on the support plate 3, the jacking part is used for driving the cross bar 4 to move, and the movement direction of the cross bar 4 intersects with the advancing direction of the plastic strips; two air guide shells 5 are fixedly connected to the support plate 3, wherein air ports 6 are arranged on the opposite surfaces of the two air guide shells 5, a positive pressure part is arranged on the support plate 3, and the positive pressure part is used for generating continuous positive pressure in the air guide shells 5.
[0035] Specifically, in use, the plastic can be transported and cut by the setting of the cutting assembly, the plastic strip can be reciprocatingly impacted by the driving of the horizontal rod 4 through the setting of the jacking part, the water on the plastic strip can be shaken off, the metal parts in the cutting machine are not easy to be eroded by the water on the plastic strip, thereby reducing the damage probability of the cutting machine, the plastic strip can be quickly air-dried by the two air guide shells 5 through the setting of the positive pressure part, the residual water on the surface of the plastic strip is further removed, and the service life of the cutting machine is prolonged.
[0036] The cutting assembly in the plastic particle cutting machine comprises a cutting roller 21 and a conveying roller 22 installed in the feeding bin 2, and a driving member is arranged on the feeding bin 2 and used to drive the cutting roller 21 and the conveying roller 22 to rotate in opposite directions.
[0037] Specifically, in use, the plastic can be transported and cut by the driving of the cutting roller 21 and the conveying roller 22 to rotate in opposite directions by the driving member.
[0038] The driving member comprises a motor 23 fixedly installed on the outer wall of the feeding bin 2, the output end of the motor 23 is fixedly connected with the rotating shaft of the cutting roller 21, and the rotating shafts of the cutting roller 21 and the conveying roller 22 are fixedly connected with mutually meshing gear wheels 24.
[0039] Specifically, in use, the cutting roller 21 and the conveying roller 22 are driven to rotate in opposite directions by the rotation of the two mutually meshing gear wheels 24 driven by the starting of the motor 23.
[0040] The jacking part comprises a rotating rod 71 rotatably connected with the supporting plate 3, and a cam 7 is fixedly connected with the rotating rod 71, one end of the cam 7 is fixedly connected with the rotating shaft of the conveying roller 22 through a belt-connected pulley 72, and the supporting plate 3 is provided with an elastic member.
[0041] Specifically, when the conveying roller 22 rotates, the pulley 72 and the rotating rod 71 are driven to rotate, the cam 7 is driven to rotate at the same time, the horizontal rod 4 is driven to reciprocatingly move up and down through the cooperation of the rotating cam 7 and the elastic member, the plastic strip is impacted and shaken, the water on the plastic strip is shaken off, the metal parts in the cutting machine are not easy to be eroded by the water on the plastic strip, the use strength and the service life of the metal parts in the cutting machine are ensured, and the damage probability of the cutting machine is reduced.
[0042] The elastic member comprises a sliding block 41 and a spring 43, and a sliding groove 42 is formed through the tray 3, and the sliding block 41 is longitudinally and slidingly connected in the sliding groove 42, wherein the two ends of the spring 43 are fixedly connected with the inner wall of the sliding groove 42 and the surface of the sliding block 41 respectively, and the cross bar 4 is fixedly connected with the sliding block 41, and when the cam 7 rotates, the cam 7 intermittently slides on the surface of the sliding block 41.
[0043] Specifically, by cooperation of the sliding block 41, the sliding groove 42 and the spring 43, the cross bar 4 can be supported and guided, and when the cam 7 rotates and contacts the surface of the sliding block 41, the sliding block 41 can be driven to move upwardly and stretch the spring 43, and when the cam 7 is separated from the surface of the sliding block 41, the sliding block 41 can be quickly reset downwardly by the elastic force of the spring 43, and the cross bar 4 can be driven to reciprocatingly move upwardly and downwardly by continuous rotation of the cam 7, and the sliding block 41 can be elastically buffered by the spring 43, so that the sliding block 41 is prevented from directly impacting the inner wall of the sliding groove 42, thereby reducing noise.
[0044] The cross bar 4 is rotationally connected with a circular tube 44, and the surface of the circular tube 44 is smooth.
[0045] Specifically, by the circular tube 44, the plastic strip can be smoothly slid from above the cross bar 4 while being shaken, thereby reducing frictional resistance when the plastic strip is conveyed and cut.
[0046] The positive pressure part comprises a housing 61 fixedly connected with the outer wall of the tray 3, and the housing 61 is communicated with the air guide shell 5 through a gas conveying pipe 62, wherein the fan 63 is fixedly installed in the housing 61, the air inlet end of the fan 63 faces the air inlet of the housing 61, and the air outlet end of the housing 61 faces the air inlet of the gas conveying pipe 62.
[0047] Specifically, in use, the fan 63 is started to make the external air quickly enter the housing 61 and be conveyed to the two air guide shells 5 through the gas conveying pipe 62, and the air is continuously blown out through the air port 6 to quickly dry the shaken plastic strip and further remove the residual moisture on the surface of the plastic strip.
[0048] The housing 61 is fixedly installed with a protective fence 64, and the protective fence 64 is located at the air inlet of the housing 61.
[0049] Specifically, by the protective fence 64, the fan 63 can be shielded, thereby improving the work safety of workers.
[0050] The feeding bin 2 is rotationally connected with a supporting roller 8, and the supporting roller 8 is located between the air guide shell 5 and the conveying roller 22.
[0051] Specifically, by the arrangement of the supporting roller 8, the plastic strip can be assisted to support and transport, thereby improving the cutting stability of the plastic strip by the cutting machine.
[0052] The flow guide plate 9 is fixedly connected in the supporting plate 3, and the inclination angle of the flow guide plate 9 is 15°-20°.
[0053] Specifically, by the cooperation of the supporting plate 3 and the flow guide plate 9, the water on the plastic strip can be re-directed and discharged into the water pool for cooling the plastic strip, so as to achieve the reuse of water resources, thereby reducing the waste of water resources.
[0054] In use, the worker first places the cutting machine at the water pool in front of the extruder, so that the supporting plate 3 is above the water pool, then the worker cools the plastic strip processed by the extruder through the water pool, and then starts the motor 23 and the fan 63, and passes one end of the cooled plastic strip between the two air guide shells 5, and sends it into the cutting roller 21 and the conveying roller 22 for cutting processing.
[0055] During processing, the motor 23 is started to drive the two intermeshing gears 24 to rotate, thereby providing driving force for the cutting roller 21 and the conveying roller 22 to rotate in opposite directions, so as to convey and cut the plastic, and the plastic particles fall into the inner cavity of the machine body 1 and are discharged through the discharge port.
[0056] Meanwhile, when the conveying roller 22 rotates, it drives the pulley 72 and the rotating rod 71 to rotate, and drives the cam 7 to rotate together, and through the cooperation of the cam 7, the sliding block 41 and the spring 43, the horizontal rod 4 is driven to reciprocate up and down, thereby impacting and shaking the conveyed plastic strip, so as to shake off the water on the plastic strip, avoid the plastic strip carrying a large amount of water into the cutting machine, and make the metal parts in the cutting machine not easy to be eroded by the water on the plastic strip, so as to ensure the use strength and service life of the metal parts in the cutting machine, thereby reducing the damage probability of the cutting machine.
[0057] Further, the fan 63 is started to make the air outside quickly enter the shell 61, and is conveyed to the two air guide shells 5 through the air conveying pipe 62, and is continuously blown out through the air port 6 to quickly dry the shaken plastic strip, and further remove the residual water on the surface of the plastic strip, thereby improving the water removal effect of the plastic strip, and being beneficial to prolong the service life of the cutting machine.
[0058] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A plastic granule cutting machine comprising a machine body (1) having a feed bin (2) mounted on top, characterized in that, The cutting assembly is installed in the feeding bin (2), and further comprises: A crossbar (4) for lifting the plastic strip, The feeding port of the feeding bin (2) is fixedly connected with a supporting plate (3), the supporting plate (3) is provided with a jacking part, the jacking part is used for driving the crossbar (4) to move, and the moving direction of the crossbar (4) intersects with the advancing direction of the plastic strip; Two air guide shells (5) are fixedly connected to the supporting plate (3), The facing surfaces of the two air guide shells (5) are both provided with air inlets (6), and the supporting plate (3) is provided with a positive pressure part, which is used for generating a continuous positive pressure in the air guide shell (5).
2. A plastic pellet guillotine according to claim 1, wherein, The cutting assembly comprises a cutting roller (21) and a conveying roller (22) installed in the feeding bin (2), and the feeding bin (2) is provided with a driving member, which is used for driving the cutting roller (21) and the conveying roller (22) to rotate in opposite directions.
3. A plastic pellet guillotine according to claim 2, wherein, The driving member comprises a motor (23) fixedly installed on the outer wall of the feeding bin (2), the output end of the motor (23) is fixedly connected with the rotating shaft of the cutting roller (21), and the rotating shafts of the cutting roller (21) and the conveying roller (22) are both fixedly connected with gear wheels (24) which are intermeshed.
4. A plastic pellet guillotine according to claim 2, wherein The jacking part comprises a rotating rod (71) rotatably connected to the supporting plate (3), the rotating rod (71) is fixedly connected with a cam (7), One end of the cam (7) is fixedly connected with the rotating shaft of the conveying roller (22) through a belt-connected pulley (72), and the supporting plate (3) is provided with an elastic member.
5. A plastic pellet guillotine according to claim 4, wherein The elastic member comprises a sliding block (41) and a spring (43), the supporting plate (3) is provided with a sliding groove (42), and the sliding block (41) is longitudinally and slidingly connected in the sliding groove (42), The two ends of the spring (43) are fixedly connected with the inner wall of the sliding groove (42) and the surface of the sliding block (41), respectively, the crossbar (4) is fixedly connected to the sliding block (41), and when the cam (7) rotates, the cam (7) intermittently slides on the surface of the sliding block (41).
6. A plastic pellet guillotine according to claim 1, wherein The crossbar (4) is rotatably connected with a circular tube (44), and the surface of the circular tube (44) is a smooth surface.
7. A plastic pellet guillotine according to claim 1, wherein The positive pressure part comprises a shell (61) fixedly connected to the outer wall of the supporting plate (3), the shell (61) is connected in communication with the air guide shell (5) through a gas conveying pipe (62), The shell (61) is fixedly installed therein with a fan (63), the air inlet end of the fan (63) faces the air inlet of the shell (61), and the air outlet end of the shell (61) faces the air inlet of the gas conveying pipe (62).
8. A plastic pellet guillotine according to claim 7, wherein The shell (61) is fixedly installed with a protective fence (64), and the protective fence (64) is located at the air inlet of the shell (61).
9. A plastic pellet guillotine according to claim 2, wherein, The feeding bin (2) is rotatably connected with a supporting roller (8), and the supporting roller (8) is located between the air guide shell (5) and the conveying roller (22).
10. A plastic pellet guillotine according to claim 1, wherein, The supporting plate (3) is fixedly connected with a flow guide plate (9), and the inclination angle of the flow guide plate (9) is 15°-20°.