A plastic bottle cap shearing device

Abstract

The application provides a plastic bottle cap shearing device, relates to the plastic bottle cap shearing technical field, and comprises a box body, a telescopic positioning assembly, a lifting assembly, a bottle cap shearing assembly, a bottle cap clamping assembly and a cap pushing assembly. Through the cooperative work of various assemblies, a series of bottle cap positioning, clamping, shearing and pushing out are realized. After the bottle cap shearing is completed, the lifting assembly drives the bottle cap shearing assembly and the bottle cap clamping assembly to move upwards, the telescopic positioning assembly cancels the support for the bottle cap, and the cap pushing assembly pushes the sheared bottle cap to the bottle cap inlet, so that the bottle cap falls into the bottle cap cavity. Compared with the prior art, the sheared bottle cap can be collected quickly, and the production efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of plastic bottle cap cutting technology, and more specifically, to a plastic bottle cap cutting device. Background Technology

[0002] Plastic bottle caps are typically produced using injection molding. After injection molding, excess material and uneven areas may remain at the edges of the cap. Therefore, a shearing structure is needed to trim the edges of the cap. After trimming, the excess material is removed, making the cap edges smooth and flat, meeting usage standards before it can be used.

[0003] Chinese patent CN220373766U discloses a shearing structure for injection molding waste from plastic bottle caps. The structure comprises a protruding block, a motor, a lead screw, a threaded block, a top plate, a connecting rod, and a clamping block. The operator places the bottle cap onto the protruding block and then activates the motor, causing the lead screw to rotate. This causes the threaded block to move the top plate downwards. Under the action of the top plate, the connecting rod, clamping block, and shearing mechanism also move downwards until the clamping block contacts the bottle cap. At this point, the protruding block and clamping block restrict the position of the bottle cap, preventing slippage. The clamping method provides better fixation and facilitates subsequent shearing. The operator can then adjust the position of the blade holder and shearing blade using an electric push rod structure. When the electric push rod is activated in the forward direction, the shearing blade moves downwards until it shears around the bottle cap, resulting in a smooth surface around the cap for easy use.

[0004] However, in actual use, after the bottle caps are cut, they remain in the circular groove of the placement plate. Operators need to remove the bottle caps from the circular groove one by one for collection, which is very time-consuming and seriously affects production efficiency. Summary of the Invention

[0005] The purpose of this application is to provide a plastic bottle cap cutting device, which can solve the technical problem in the prior art that after the bottle caps are cut, it is very time-consuming to remove the bottle caps one by one for collection, which seriously affects the production efficiency.

[0006] This application provides a plastic bottle cap shearing device, including:

[0007] The box body has a waste chamber and a bottle cap chamber arranged sequentially from left to right inside the box body. The top of the box body is provided with a bottle cap inlet communicating with the bottle cap chamber and multiple waste inlets communicating with the waste chamber. The multiple waste inlets are arranged in a row.

[0008] A telescopic positioning component is provided, wherein multiple telescopic positioning components are provided, each corresponding to a waste inlet, and the telescopic positioning component is provided at the waste inlet for supporting and positioning the bottle cap;

[0009] A lifting assembly is disposed at the top of the housing and above the waste inlet;

[0010] A bottle cap shearing assembly is provided, and multiple bottle cap shearing assemblies are provided. Each bottle cap shearing assembly corresponds to a waste inlet. The bottle cap shearing assembly is provided on the lifting assembly and cooperates with the telescopic positioning assembly to shear the periphery of the bottle cap placed on the telescopic positioning assembly.

[0011] A bottle cap clamping assembly is provided, wherein multiple bottle cap clamping assemblies are provided, each corresponding to a waste inlet, and the bottle cap clamping assembly is provided on the lifting assembly and cooperates with the telescopic positioning assembly to clamp the bottle cap placed on the telescopic positioning assembly.

[0012] The cap-pushing assembly is located on the top of the box and works in conjunction with the telescopic positioning assembly to push the cut cap towards the cap inlet.

[0013] Furthermore, the telescopic positioning assembly includes a support frame, a positioning cylinder, and a positioning block. The support frame is fixed at the waste inlet, and the top of the support frame is flush with the top of the waste inlet. The support frame is provided with a receiving groove that matches the positioning block. The positioning block is movably disposed in the receiving groove. The positioning cylinder is fixed at the bottom of the support frame and is used to drive the positioning block to extend out of the receiving groove or retract into the receiving groove.

[0014] Furthermore, the lifting assembly includes a first lifting cylinder, a second lifting cylinder, a lifting plate, a first guide rod, and a second guide rod. The first and second lifting cylinders are symmetrically fixed to the top of the housing. The telescopic rods of both the first and second lifting cylinders are fixedly connected to the bottom of the lifting plate. The first and second guide rods are symmetrically fixed to the top of the housing, and the lifting plate is movably mounted on the first and second guide rods.

[0015] Furthermore, the bottle cap shearing assembly includes a blade holder and a shearing blade. The blade holder is fixed to the bottom of the lifting plate and located directly above the waste inlet, and the shearing blade is fixed to the bottom of the blade holder.

[0016] Furthermore, the bottle cap clamping assembly includes a clamping cylinder and a clamping block. The clamping cylinder is fixed to the bottom of the lifting plate, and the clamping block is fixed to the telescopic rod of the lifting cylinder. The knife holder is provided with a clearance portion, and the lifting cylinder is located within the clearance portion.

[0017] Furthermore, the cap-pushing assembly includes a cap-pushing cylinder and a cap-pushing plate. The cap cylinder is fixed to the top of the housing, and the cap-pushing plate is fixed to the telescopic rod of the cap-pushing cylinder. The cap-pushing plate is slidably connected to the bottom of the housing. An arc-shaped groove adapted to the bottle cap is provided on the side of the cap-pushing plate away from the cap-pushing cylinder, and the arc-shaped groove corresponds to the waste inlet.

[0018] Furthermore, both the positioning block and the clamping block are made of rubber.

[0019] Furthermore, the shearing blade is arranged in a ring shape, the inner diameter of the shearing blade is adapted to the outer diameter of the bottle cap, and multiple shredding blades are uniformly fixed along the circumferential direction of the shearing blade.

[0020] Furthermore, the lower side of the box is provided with a waste outlet communicating with the waste chamber and a bottle cap outlet communicating with the bottle cap chamber, and each of the waste outlet and the bottle cap outlet is provided with a baffle in a pull-out manner.

[0021] The beneficial effects of this utility model are:

[0022] This invention achieves a series of processes from bottle cap positioning, clamping, shearing to ejection through the coordinated work of various components. After the bottle cap is sheared, the lifting component drives the bottle cap shearing component and the bottle cap clamping component to move upward, the telescopic positioning component removes its support for the bottle cap, and the push-cap component pushes the sheared bottle cap toward the bottle cap inlet, causing the bottle cap to fall into the bottle cap cavity. Compared with the prior art, it can quickly collect the sheared bottle caps and improve production efficiency. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 These are schematic diagrams of structures in some embodiments of this application;

[0025] Figure 2 These are cross-sectional views of some embodiments of this application;

[0026] The reference numerals in the attached figures are as follows:

[0027] 1. Box body; 11. Waste chamber; 12. Bottle cap chamber; 13. Bottle cap inlet; 14. Waste inlet; 15. Waste outlet; 16. Bottle cap outlet; 2. Telescopic positioning assembly; 21. Support frame; 211. Receiving groove; 22. Positioning cylinder; 23. Positioning block; 3. Lifting assembly; 31. First lifting cylinder; 32. Second lifting cylinder; 33. Lifting plate; 34. First guide rod; 35. Second guide rod; 4. Bottle cap shearing assembly; 41. Blade holder; 42. Shearing blade; 421. Shredder blade; 5. Bottle cap clamping assembly; 51. Clamping cylinder; 52. Clamping block; 6. Cap pushing assembly; 61. Cap pushing cylinder; 62. Cap pushing plate; 621. Arc groove; 7. Baffle. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0031] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and 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 this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0032] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Specific implementation examples:

[0035] like Figure 1 and Figure 2 As shown, this application provides a plastic bottle cap shearing device, including a housing 1, a telescopic positioning assembly 2, a lifting assembly 3, a bottle cap shearing assembly 4, a bottle cap clamping assembly 5, and a cap pushing assembly 6. The housing 1 contains a waste chamber 11 and a bottle cap chamber 12 arranged sequentially from left to right. The top of the housing 1 has a bottle cap inlet 13 communicating with the bottle cap chamber 12 and multiple waste inlets 14 communicating with the waste chamber 11, arranged in a row. Multiple telescopic positioning assemblies 2 are provided, each corresponding to one of the waste inlets 14, and are positioned at the waste inlets 14 to support and position the bottle caps. The lifting assembly 3 is located at the top of the housing 1 and above the waste inlets 14. Multiple bottle cap shearing assemblies 4 are provided, each corresponding to one of the waste inlets 14, and are mounted on the lifting assembly 3, cooperating with the telescopic positioning assemblies 2 to shear the bottle caps. The bottle caps are cut around the periphery of the telescopic positioning component 2. Multiple bottle cap clamping components 5 are provided, each corresponding to a waste inlet 14. The bottle cap clamping components 5 are set on the lifting component 3 and cooperate with the telescopic positioning component 2 to clamp the bottle caps placed on the telescopic positioning component 2. The bottle cap pushing component 6 is set on the top of the box 1 and cooperates with the telescopic positioning component 2 to push the cut bottle caps toward the bottle cap inlet 13. Through the coordinated work of each component, a series of processes from bottle cap positioning, clamping, cutting to pushing is realized. After the bottle caps are cut, the lifting component 3 drives the bottle cap cutting component 4 and the bottle cap clamping component 5 to move upward, the telescopic positioning component 2 removes its support for the bottle caps, and the bottle cap pushing component 6 pushes the cut bottle caps toward the bottle cap inlet 13, so that the bottle caps fall into the bottle cap cavity 12. Compared with the prior art, the cut bottle caps can be collected quickly, improving production efficiency.

[0036] like Figure 1 and Figure 2 As shown, the telescopic positioning assembly 2 includes a support frame 21, a positioning cylinder 22, and a positioning block 23. The support frame 21 is fixed at the waste inlet 14, and the top of the support frame 21 is flush with the top of the waste inlet 14. The support frame 21 is provided with a receiving groove 211 that matches the positioning block 23. The positioning block 23 is movably disposed in the receiving groove 211. The positioning cylinder 22 is fixed at the bottom of the support frame 21 and is used to drive the positioning block 23 to extend out of the receiving groove 211 or retract into the receiving groove 211. The telescopic rod of the positioning cylinder 22 extends into the receiving groove 211 and is fixedly connected to the bottom of the positioning block 23. During positioning, the positioning cylinder 22 drives the positioning block 23 to extend out of the receiving groove 211. The operator places the bottle cap upside down on the positioning block 23 to achieve positioning and support of the bottle cap, which facilitates clamping of the bottle cap clamping assembly 5. After the bottle cap is cut, the positioning cylinder 22 drives the positioning block 23 to retract into the receiving groove 211. At this time, the top of the positioning block 23 is flush with the top of the support frame 21, providing a foundation for cooperation with the cap pushing assembly 6.

[0037] like Figure 1 and Figure 2 As shown, the lifting assembly 3 includes a first lifting cylinder 31, a second lifting cylinder 32, a lifting plate 33, a first guide rod 34, and a second guide rod 35. The first lifting cylinder 31 and the second lifting cylinder 32 are symmetrically fixed to the top of the housing 1. The telescopic rods of the first lifting cylinder 31 and the second lifting cylinder 32 are both fixedly connected to the bottom of the lifting plate 33. The first guide rod 34 and the second guide rod 35 are symmetrically fixed to the top of the housing 1. The lifting plate 33 is movably mounted on the first guide rod 34 and the second guide rod 35. The first lifting cylinder 31 and the second lifting cylinder 32 drive the lifting plate 33 to move up and down along the first guide rod and the second guide rod 35, providing a basis for the up and down movement of the bottle cap shearing assembly 4 and the bottle cap clamping assembly 5. During the movement of the lifting plate 33, the first guide rod 34 and the second guide rod 35 play a guiding role to ensure the stability of the movement of the lifting plate 33.

[0038] like Figure 1 and Figure 2 As shown, the bottle cap shearing assembly 4 includes a blade holder 41 and a shearing blade 42. The blade holder 41 is fixed to the bottom of the lifting plate 33 and located directly above the waste inlet 14. The shearing blade 42 is fixed to the bottom of the blade holder 41. The blade holder 41 moves with the lifting plate 33, only to drive the shearing blade 42 to move up and down. During the shearing operation, the lifting plate 33 drives the blade holder 41 to move down. When the shearing blade 42 contacts the periphery of the bottle cap that is upside down on the telescopic positioning assembly 2, it cooperates with the support frame 21 to cut the excess scrap material around the bottle cap. When the lifting plate 33 drives the blade holder 41 to move up and return to the initial position, one shearing operation is completed. The cut waste material will fall into the waste chamber 11 through the waste inlet 14.

[0039] like Figure 1 and Figure 2 As shown, the bottle cap clamping assembly 5 includes a clamping cylinder 51 and a clamping block 52. The clamping cylinder 51 is fixed to the bottom of the lifting plate 33, and the clamping block 52 is fixed to the telescopic rod of the lifting cylinder. The cutter holder 41 is provided with a clearance part, and the lifting cylinder is located in the clearance part. The bottle cap clamping assembly 5 can firmly clamp the bottle cap during the shearing process, effectively preventing the bottle cap from shifting or shaking due to external forces, reducing the defect rate, and improving product quality. When the plastic bottle cap is sheared, the overall process is to first position the bottle cap, then clamp it, and finally shear it. After the telescopic positioning assembly 2 supports and positions the bottle cap at the waste inlet 14, the lifting plate 33 of the lifting assembly 3 descends. At this time, the lifting plate 33 is set to descend. As the bottle cap clamping assembly 5 at the bottom of the lowering plate 33 approaches the bottle cap, the clamping cylinder 51 drives the clamping fastener to move downward, cooperating with the positioning block 23 to tightly clamp the bottle cap. After the bottle cap is cut, the telescopic rod of the clamping cylinder 51 retracts, driving the clamping block 52 away from the bottle cap, releasing the clamping state on the bottle cap. At the same time, the positioning block 23 retracts into the receiving groove 211 under the action of the positioning cylinder 22, so that the cap pushing assembly 6 can push out the cut bottle cap. After the clamping assembly clamps the bottle cap, the lifting plate 33 continues to move downward, driving the bottle cap cutting assembly 4 to move downward. During this process, the telescopic rod of the clamping cylinder 51 retracts appropriately, and the downward movement of the lifting plate 33 allows for the descent stroke, but keeps the clamping fastener clamping the bottle cap.

[0040] like Figure 1 and Figure 2 As shown, the cap-pushing assembly 6 includes a cap-pushing cylinder 61 and a cap-pushing plate 62. The cap cylinder is fixed to the top of the housing 1, and the cap-pushing plate 62 is fixed to the telescopic rod of the cap-pushing cylinder 61. The cap-pushing plate 62 is slidably connected to the bottom of the housing 1. The side of the cap-pushing plate 62 away from the cap-pushing cylinder 61 is provided with an arc-shaped groove 621 that is adapted to the bottle cap. The arc-shaped groove 621 corresponds to the waste inlet 14. After the plastic bottle cap has completed the cutting operation, the bottle cap cutting assembly 4 is reset, the bottle cap clamping assembly 5 is reset, and the positioning block 23 of the telescopic support assembly is reset. The cap-pushing cylinder 61 drives the cap-pushing plate 62 to move towards the waste inlet 14, so that the bottle cap falls from the bottle cap inlet 13 into the bottle cap cavity 12 for collection.

[0041] like Figure 2 As shown, both the positioning block 23 and the clamping block 52 are made of rubber. The rubber is soft and elastic, which can prevent the bottle cap from being deformed or damaged when positioning and clamping it.

[0042] like Figure 1 and Figure 2As shown, the shearing blade 42 is arranged in a ring shape, and the inner diameter of the shearing blade 42 is adapted to the outer diameter of the bottle cap. Multiple shredding blades 421 are evenly fixed along the circumference of the shearing blade 42. The shearing blade 42 is arranged in a ring shape, and the inner diameter is adapted to the outer diameter of the bottle cap. This allows the blade to accurately fit the outer contour of the bottle cap when shearing the periphery of the bottle cap. During the shearing process, it can effectively avoid problems such as uneven cutting and excessive burrs caused by the gap between the blade and the bottle cap, ensuring the cutting accuracy and smoothness of the bottle cap edge, and improving the overall quality of the product. While shearing the periphery of the bottle cap, the shredding blades 421 will further shred the sheared waste material, which reduces the volume of the waste material and makes it easier for the waste material to fall from the waste inlet 14 into the waste chamber 11.

[0043] like Figure 2 As shown, the lower side of the box 1 is provided with a waste outlet 15 communicating with the waste chamber 11 and a bottle cap outlet 16 communicating with the bottle cap chamber 12. The waste outlet 15 and the bottle cap outlet 16 are each provided with a baffle 7 in a pull-out manner. When it is necessary to clean the waste in the waste chamber 11 or transfer the bottle cap from the bottle cap chamber 12, simply open the baffle 7 of the corresponding outlet, and the waste or bottle cap can be discharged. The operation is simple and convenient.

[0044] Working principle:

[0045] In use, the operator first places the bottle cap to be processed upside down on the positioning block 23, which extends out of the receiving groove 211 driven by the positioning cylinder 22, to achieve bottle cap positioning and support. Then, the first lifting cylinder 31 and the second lifting cylinder 32 drive the lifting plate 33 to descend, which in turn drives the bottle cap clamping assembly 5 and the bottle cap shearing assembly 4 to descend. In the bottle cap clamping assembly 5, the clamping cylinder 51 pushes the clamping block 52 to move down, cooperating with the positioning block 23 to clamp the bottle cap. Immediately afterwards, the lifting plate 33 continues to drive the bottle cap shearing assembly 4 to descend and perform shearing, completing the shearing process. After cutting, the lifting assembly 3 drives the bottle cap shearing assembly 4 and the bottle cap clamping assembly 5 to rise and reset. The extension rod of the clamping cylinder 51 retracts, causing the clamping block 52 to release the bottle cap. The positioning cylinder 22 drives the positioning block 23 to retract into the receiving groove 211. Finally, the push cap cylinder 61 pushes the push cap plate 62 to push the cut bottle cap towards the bottle cap inlet 13, so that it falls into the bottle cap cavity 12 for collection. When it is necessary to clean up the waste or transfer the bottle cap, the pull-out baffle 7 of the corresponding outlet is opened. The waste is discharged from the waste outlet 15 and the bottle cap is discharged from the bottle cap outlet 16.

[0046] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A plastic bottle cap cutting device characterized by comprising: include: The box body has a waste chamber and a bottle cap chamber arranged sequentially from left to right inside the box body. The top of the box body is provided with a bottle cap inlet communicating with the bottle cap chamber and multiple waste inlets communicating with the waste chamber. The multiple waste inlets are arranged in a row. A telescopic positioning component is provided, wherein multiple telescopic positioning components are provided, each corresponding to a waste inlet, and the telescopic positioning component is provided at the waste inlet for supporting and positioning the bottle cap; A lifting assembly is disposed at the top of the housing and above the waste inlet; A bottle cap shearing assembly is provided, and multiple bottle cap shearing assemblies are provided. Each bottle cap shearing assembly corresponds to a waste inlet. The bottle cap shearing assembly is provided on the lifting assembly and cooperates with the telescopic positioning assembly to shear the periphery of the bottle cap placed on the telescopic positioning assembly. A bottle cap clamping assembly is provided, wherein multiple bottle cap clamping assemblies are provided, each corresponding to a waste inlet, and the bottle cap clamping assembly is provided on the lifting assembly and cooperates with the telescopic positioning assembly to clamp the bottle cap placed on the telescopic positioning assembly. The cap-pushing assembly is located on the top of the box and works in conjunction with the telescopic positioning assembly to push the cut cap towards the cap inlet.

2. The plastic bottle cap cutting device according to claim 1, wherein: The telescopic positioning assembly includes a support frame, a positioning cylinder, and a positioning block. The support frame is fixed at the waste inlet, and the top of the support frame is flush with the top of the waste inlet. The support frame is provided with a receiving groove that matches the positioning block. The positioning block is movably disposed in the receiving groove. The positioning cylinder is fixed at the bottom of the support frame and is used to drive the positioning block to extend out of the receiving groove or retract into the receiving groove.

3. The plastic bottle cap cutting device according to claim 2, wherein: The lifting assembly includes a first lifting cylinder, a second lifting cylinder, a lifting plate, a first guide rod, and a second guide rod. The first lifting cylinder and the second lifting cylinder are symmetrically fixed to the top of the housing. The telescopic rods of the first lifting cylinder and the second lifting cylinder are both fixedly connected to the bottom of the lifting plate. The first guide rod and the second guide rod are symmetrically fixed to the top of the housing. The lifting plate is movably mounted on the first guide rod and the second guide rod.

4. The plastic bottle cap cutting device according to claim 3, wherein: The bottle cap shearing assembly includes a blade holder and a shearing blade. The blade holder is fixed to the bottom of the lifting plate and located directly above the waste inlet, and the shearing blade is fixed to the bottom of the blade holder.

5. The plastic bottle cap cutting device according to claim 4, wherein: The bottle cap clamping assembly includes a clamping cylinder and a clamping block. The clamping cylinder is fixed to the bottom of the lifting plate, and the clamping block is fixed to the telescopic rod of the lifting cylinder. The knife holder is provided with a clearance part, and the lifting cylinder is located in the clearance part.

6. The plastic bottle cap cutting device according to claim 1, wherein: The cap-pushing assembly includes a cap-pushing cylinder and a cap-pushing plate. The cap cylinder is fixed to the top of the housing, and the cap-pushing plate is fixed to the telescopic rod of the cap-pushing cylinder. The cap-pushing plate is slidably connected to the bottom of the housing. An arc-shaped groove adapted to the bottle cap is provided on the side of the cap-pushing plate away from the cap-pushing cylinder. The arc-shaped groove corresponds to the waste inlet.

7. The plastic bottle cap cutting device according to claim 5, wherein: Both the positioning block and the clamping block are made of rubber.

8. The plastic bottle cap cutting device according to claim 4, wherein: The shearing blade is arranged in a ring, and the inner diameter of the shearing blade is adapted to the outer diameter of the bottle cap. Multiple shredding blades are uniformly fixed along the circumferential direction of the shearing blade.

9. The plastic bottle cap cutting device according to claim 1, wherein: The lower side of the box is provided with a waste outlet communicating with the waste chamber and a bottle cap outlet communicating with the bottle cap chamber. Each of the waste outlet and the bottle cap outlet is provided with a baffle in a pull-out manner.

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