Waste belt tail shearing device

By designing an automated waste belt tail shearing device, and utilizing the cooperation between the belt conveyor mechanism and the shearing mechanism, the problem of needing to stop the machine for belt tail shearing was solved, enabling non-stop shearing and improving production efficiency.

CN223507257UActive Publication Date: 2025-11-04KUNSHAN ZHONGTAIXING AUTOMATIC EQUIP CO LTD
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Patent Information

Application Number
CN202423146318.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-11-04
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

In existing technologies, shearing the waste strip at the tail end of the conveyor belt requires a shutdown operation, causing the production line to stop and affecting production efficiency.

Method used

A waste strip tail shearing device was designed, including a material belt conveying mechanism, a shearing mechanism and a drive assembly. The transmission assembly drives the cutter assembly to perform up and down shearing motion at the shearing position, realizing automated shearing and avoiding production line stoppage.

Benefits of technology

This technology enables the production line to be stopped during the shearing of the waste strip at the tail of the material strip, thereby improving production efficiency and automation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of cutting, in particular to a waste material belt tail shearing device which comprises a material belt conveying mechanism, a cutting mechanism and a cutting mechanism. The shearing mechanism comprises a cutter assembly, a transmission assembly and a driving assembly; wherein the driving assembly drives the cutter assembly to do up-and-down shearing motion at the shearing position through the transmission assembly so as to cut a material belt; the shearing position is located at the bottom of the material belt guide groove. The material belt conveying mechanism further comprises a material pressing plate, the material pressing plate is matched with the material belt guide groove so as to limit the tilting height of the material belt when the material belt is cut, and the cutter assembly comprises a cutting edge and a material belt through hole. And the material belt through hole corresponds to the material belt guide groove in position, so that the material belt is suitable for passing through the material belt through hole when the material belt is conveyed in the material belt guide groove. The utility model provides a waste material belt tail shearing device which avoids the situation that a production line stops in the process of shearing a waste material belt at the tail of a material belt.
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Description

Technical Field

[0001] This utility model relates to the field of cutting, specifically to a waste strip tail shearing device. Background Technology

[0002] The waste tape is the tail end of the tape containing multiple electronic products. During the production process, the waste tape at the tail end needs to be cut off, and then the cut-off tail end is connected to other new tapes to continuously supply tapes containing electronic products to the production line.

[0003] The common method for cutting off the waste strip at the end of the conveyor belt is to stop the production line and then have the operator use a knife to cut off the waste strip at the end of the conveyor belt.

[0004] Therefore, how to avoid the need to stop the machine to cut the waste strip at the tail end is a technical problem that urgently needs to be solved in this field.

[0005] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Utility Model Content

[0006] The purpose of this invention is to provide a waste strip tail shearing device to solve the above problems.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A waste belt tail shearing device, comprising:

[0009] The belt conveyor mechanism has shearing positions set on the transmission path of its belt;

[0010] The shearing mechanism includes: a cutter assembly, a transmission assembly, and a drive assembly; wherein

[0011] The drive assembly drives the cutter assembly to perform up-and-down shearing motions at the shearing position through the transmission assembly to cut the material strip.

[0012] In one optional embodiment, a belt guide groove is provided on the transmission path of the belt conveyor mechanism;

[0013] The shearing position is located at the bottom of the strip guide groove;

[0014] The material conveying mechanism also includes a pressure plate, which cooperates with the material guide groove to limit the height of the material strip when it is cut.

[0015] In one alternative embodiment, the cutting assembly includes a blade and a strip through-hole;

[0016] The material strip through hole is positioned corresponding to the material strip guide groove so that the material strip is suitable for passing through the material strip through hole when it is being transported in the material strip guide groove;

[0017] When the blade moves up and down in a shearing motion, it cooperates with the shearing position to cut the material strip.

[0018] In one alternative embodiment, the shearing device further includes a guide;

[0019] The cutter assembly is movably inserted into the through hole of the guide to guide the cutter assembly;

[0020] The cutter assembly also includes a reset element;

[0021] One end of the reset member is connected to the guide member, and the other end of the reset member is connected to the end of the cutter assembly near the blade.

[0022] In one alternative embodiment, the end of the cutter assembly away from the blade also includes a connecting groove;

[0023] The transmission assembly includes a transmission rod, a first follower, a second follower, and a mounting base;

[0024] The first follower and the second follower are rotatably mounted on the transmission rod; wherein

[0025] The first follower is fitted into the connecting groove so that the transmission rod drives the cutting blade assembly to move in order to cut the material strip;

[0026] The end of the transmission rod away from the connecting groove is rotatably connected to the mounting base via a shaft;

[0027] The drive mechanism is adapted to drive the second follower to drive one end of the transmission rod to rotate at the mounting base, so that the other end of the transmission rod drives the cutter assembly to move to cut the material strip.

[0028] In one optional embodiment, the drive assembly includes a motor assembly, a drive shaft, and a drive element; wherein

[0029] The motor assembly is adapted to drive the drive shaft to rotate;

[0030] The drive component is disposed on the side of the drive shaft; the drive component is adapted to drive one end of the transmission rod to rotate along the mounting base via a second follower, so that the other end of the transmission rod pulls the cutter assembly to perform a downward shearing motion.

[0031] Secondly, embodiments of this disclosure also provide a waste strip tail shearing device, comprising:

[0032] The components include a conveyor belt mechanism, a shearing mechanism, guide components, and a frame; among which...

[0033] The material conveyor mechanism has shearing positions set on the transmission path of the material belt;

[0034] The shearing mechanism includes: a cutter assembly, a transmission assembly, and a drive assembly; wherein

[0035] The drive assembly drives the cutter assembly to perform up-and-down shearing motion at the shearing position through the transmission assembly to cut the material strip;

[0036] The frame is connected to the bottom surface of the belt conveyor mechanism.

[0037] In one optional embodiment, a belt guide groove is provided on the transmission path of the belt conveyor mechanism;

[0038] The shearing position is located at the bottom of the strip guide groove;

[0039] The material conveying mechanism also includes a pressure plate, which cooperates with the material guide groove to limit the height of the material strip when it is cut.

[0040] In one alternative embodiment, the shearing device further includes a controller;

[0041] The frame is equipped with a proximity switch that is electrically connected to the controller;

[0042] The drive assembly includes a sensing element suitable for detection by a proximity switch, so that the proximity switch can detect whether the drive shaft has rotated into position.

[0043] The beneficial effects of this utility model are as follows: It provides a waste strip tail shearing device, which uses the material conveying component, shearing component and driving component in cooperation to replace manual labor in shearing the waste strip at the tail of the material strip. This achieves the effect that the production line does not need to be stopped during the shearing process of the waste strip at the tail of the material strip, thus avoiding the situation where the production line stops during the shearing process of the waste strip at the tail of the material strip.

[0044] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description, claims, and drawings.

[0045] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0046] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0047] Figure 1 This is a schematic diagram of the overall structure of the waste strip tail shearing device provided in an embodiment of this disclosure.

[0048] Figure 2 This is a schematic diagram of the shearing mechanism and a material strip of the waste strip tail shearing device provided in the embodiments of this disclosure.

[0049] Figure 3 This is a schematic diagram of the cutter assembly, transmission rod, and guide of the waste strip tail shearing device provided in an embodiment of this disclosure.

[0050] Figure 4 This is a schematic diagram of the signal transmission of the waste strip tail shearing device provided in an embodiment of this disclosure.

[0051] In the diagram: 1. Belt conveyor mechanism; 11. Material trough; 12. Shearing section; 13. Shearing position;

[0052] Shearing mechanism; 21. Cutting blade assembly; 211. Blade; 212. Strip through hole; 213. Reset component; 22. Transmission assembly; 221. Transmission rod; 222. First follower; 223. Second follower; 224. Mounting base; 23. Drive assembly; 231. Motor assembly; 232. Drive shaft; 233. Drive component;

[0053] Guide components;

[0054] Frame; 41. Proximity switch;

[0055] Controller. Detailed Implementation

[0056] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0057] In this document, when it is mentioned that a first component is located on a second component, this can mean that the first component can be directly formed on the second component, or that a third component can be inserted between the first and second components. Furthermore, in the accompanying drawings, the thickness of the components may be exaggerated or reduced for the purpose of effectively describing the technical content.

[0058] In this document, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as “at least one of…” modify the entire list of elements when following a list of elements, rather than individual elements in the list. For example, the expression “at least one of a, b, and c” should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0059] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be limiting. As used herein, the singular articles “a,” “an,” and “the” may also be intended to include plural forms unless otherwise clearly stated herein. The terms “comprising,” “including,” and “having” are inclusive and thus specify the presence of a feature, step, operation, element, and / or component, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof.

[0060] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0061] 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.

[0062] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0063] Research has revealed that when the tail end of the material strip needs to be cut, the production line must be stopped, and then the operator uses a knife to cut the tail end of the material strip. It is necessary to solve the technical problem of stopping the production line when manually cutting the material strip.

[0064] Based on the above research, this disclosure provides a waste strip tail shearing device that uses a machine to replace manual labor to shear the tail of the strip, thereby achieving the goal of not stopping the production line when shearing the tail of the strip.

[0065] The shortcomings of the above solutions are the result of the inventor's practical experience and careful research. Therefore, the discovery process of the above problems and the solutions proposed in this disclosure below should be considered contributions made by the inventor to this disclosure.

[0066] 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.

[0067] The purpose of the explanation includes clarifying the technical features, covering the scope of protection of equivalent technical features, and highlighting the working process and specific technical effects of the core utility model.

[0068] refer to Figure 1 At least one embodiment provides a waste strip tail shearing device, including: a material belt conveying mechanism 1, which has a shearing position 13 on its material belt conveying path for cooperating with a cutter assembly 21 to realize the shearing step; a shearing mechanism 2, which includes: a cutter assembly 21, a transmission assembly 22 and a drive assembly 23; wherein the drive assembly 23 drives the cutter assembly 21 to perform up and down shearing motion at the shearing position 13 through the transmission assembly 22 to cut the material belt. During this process, the shearing position 13 is located below the material belt, and the blade 211 of the cutter assembly 21 is located above the material belt. When the blade 211 descends, the shearing step of the material belt is realized.

[0069] refer to Figure 2 and Figure 3 In some embodiments, a material belt guide groove 11 is provided on the transmission path of the material belt conveying mechanism 1 as a channel for material belt conveying; the shearing position 13 is located at the bottom of the material belt guide groove 11; the material belt conveying mechanism 1 also includes a pressure plate 12, which cooperates with the material belt guide groove 11 to limit the height of the material belt when cutting the material belt. If the height of the material belt is too high, it will affect the transmission and shearing of the material belt.

[0070] In some embodiments, the cutter assembly 21 includes a blade 211 and a strip through hole 212; the strip through hole 212 corresponds to the strip guide groove 11 so that the strip is suitable to pass through the strip through hole 212 when it is conveyed in the strip guide groove 11; when the blade 211 performs up and down shearing motion, it cooperates with the shearing position 13 to cut the strip; when the strip is conveyed, it passes through the strip through hole 212, and when shearing begins, the blade 211 moves downward to contact the strip to achieve shearing, during which the strip remains separated from the side wall of the strip through hole 212.

[0071] In some embodiments, the shearing device further includes a guide member 3; the cutter assembly 21 is movably inserted into the through hole of the guide member 3 to guide the cutter assembly 21 and ensure the accuracy of the movement path of the cutter assembly 21; the cutter assembly 21 also includes a reset member 213 to drive the cutter assembly 21 to reset after the cutter assembly 21 performs the shearing step; one end of the reset member 213 is connected to the guide member 3, and the other end of the reset member 213 is connected to the end of the cutter assembly 21 near the blade 211.

[0072] In some embodiments, the end of the cutter assembly 21 away from the blade 211 further includes a connecting groove 214; the transmission assembly 22 includes a transmission rod 221, a first follower 222, a second follower 223, and a mounting base 224; the first follower 222 and the second follower 223 are rotatably disposed on the transmission rod 221, and both the first follower 222 and the second follower 223 are bearing followers; wherein the first follower 222 is fitted into the connecting groove 214 so that the transmission rod 221 drives the cutter assembly 21 to move in order to cut the material strip; the end of the transmission rod 221 away from the connecting groove 214 is rotatably connected to the mounting base 224 through a shaft so that one end of the transmission rod 221 can rotate along the mounting base 224; the drive mechanism 23 is adapted to drive the second follower 223 to drive one end of the transmission rod 221 to rotate at the mounting base 224, so that the other end of the transmission rod 221 drives the cutter assembly 21 to move in order to cut the material strip.

[0073] In some embodiments, the drive assembly 23 includes a motor assembly 231, a drive shaft 232, and a drive member 233; wherein the motor assembly 231 is adapted to drive the drive shaft 232 to rotate; the drive member 233 is disposed on the side of the drive shaft 232; the drive member 233 is adapted to drive one end of the transmission rod 221 to rotate along the mounting base 224 via a second follower 223, so that the other end of the transmission rod 221 pulls the cutter assembly 21 to perform a downward shearing motion.

[0074] refer to Figure 1In some embodiments, the waste strip tail shearing device includes: a strip conveying mechanism 1, a shearing mechanism 2, a guide 3, and a frame 4; wherein the strip conveying mechanism 1 has a shearing position 13 on its strip transmission path; the shearing mechanism 2 includes: a cutter assembly 21, a transmission assembly 22, and a drive assembly 23; wherein the drive assembly 23 drives the cutter assembly 21 to perform up-and-down shearing motion at the shearing position 13 through the transmission assembly 22 to cut the strip. During this process, the shearing position 13 is located below the strip, and the blade 211 of the cutter assembly 21 is located above the strip. When the blade 211 descends, the shearing step of the strip is achieved; the frame 4 is connected to the bottom surface of the strip conveying mechanism 1 to provide support.

[0075] In some embodiments, a material belt guide groove 11 is provided on the transmission path of the material belt conveying mechanism 1; the shearing position 13 is located at the bottom of the material belt guide groove 11; the material belt conveying mechanism 1 also includes a pressure plate 12, which cooperates with the material belt guide groove 11 to limit the height of the material belt when cutting the material belt. If the height of the material belt is too high, it will affect the transmission and shearing of the material belt.

[0076] refer to Figures 1 to 4 In some embodiments, the shearing device further includes a controller 5; a proximity switch 41 electrically connected to the controller 5 is provided on the frame 4; the drive assembly 23 includes a sensing plate suitable for detection by the proximity switch 41, so that the proximity switch 41 detects whether the drive shaft 232 has rotated into position, that is, the proximity switch 41 determines whether the drive shaft 232 has rotated into position by detecting the sensing plate, thereby determining whether the shearing step has been completed, and transmits the detection signal to the controller 5. The controller 5 controls the shearing mechanism 2 to stop working, and then the reset member 213 works to drive the cutter assembly 21 to reset.

[0077] The working principle of this utility model is as follows: Before using the waste strip tail shearing device, the waste strip tail shearing device is installed on the production line. Then, the feeding equipment on the production line conveys the material strip to the guide groove 11, and at the same time, the material strip receiving equipment receives the material strip. When the waste strip tail shearing device is used: when the material strip needs to be sheared in the guide groove 11, under the control of the controller 5, the motor assembly 231 works to drive the transmission shaft 232 to rotate. The driving component 233 on the transmission shaft 232 contacts the transmission rod 221, causing one end of the transmission rod 221 to rotate on the mounting base 224. The other end of the transmission rod 221 pulls the cutter assembly 21 downward, so that the blade 211 contacts the material strip and cooperates with the shearing position 13 to cut the material strip. After the material strip is cut, the motor assembly 231 drives the transmission shaft 232 to rotate to the limit position. At this time, the proximity switch 41 detects the sensing plate and transmits the detection signal to the controller 5. The controller 5 controls the motor assembly 231 to stop working. Furthermore, the reset member 213 drives the cutter assembly 21 to reset. Then the material strip is transmitted again. When it is necessary to cut the material strip again, the above steps are repeated until the work is completed.

[0078] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" 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 utility model based on the specific circumstances.

[0079] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model 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 of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0080] While this patent document contains numerous details, it should not be construed as limiting any utility model or the scope of the claims, but rather as a description of features of a particular embodiment of a particular utility model. Certain features described in the context of individual embodiments may also be implemented in combination in a single embodiment. Conversely, various functions described in the context of a single embodiment may also be implemented individually in multiple embodiments, or in any suitable sub-combination. Furthermore, although the foregoing features may be described as functioning in certain combinations, or even initially claimed to be so, in some cases one or more features from a combination of claims may be removed from the combination, and a combination of claims may refer to a sub-combination or a variation of a sub-combination.

[0081] Similarly, although the operations are described in a specific order in the accompanying drawings, this should not be construed as requiring the specific order or sequence shown to perform such operations, or all the described operations, in order to obtain the desired result. Furthermore, the separation of various system components in the embodiments of this patent document should not be construed as requiring such separation in all embodiments.

[0082] Only some implementations and examples are described; other implementations, enhancements, and variations can be made based on the content described and illustrated in this patent document.

[0083] While several embodiments are provided in this disclosure, it should be understood that the disclosed systems and methods may be embodied in many other specific forms without departing from the spirit or scope of this disclosure. The present examples are intended to be illustrative rather than restrictive and are not limited to the details given. For example, various elements or components may be combined or integrated into another system, or certain features may be omitted or not implemented.

Claims

1. A waste strip tail shearing device, characterized in that, include: The material conveyor (1) has a shearing position (13) set on its material conveying path. The shearing mechanism (2) includes: a cutter assembly (21), a transmission assembly (22) and a drive assembly (23). in The drive assembly (23) drives the cutter assembly (21) to perform up-and-down shearing motion at the shearing position (13) through the transmission assembly (22) to cut the material strip.

2. The waste belt tail shearing device according to claim 1, characterized in that: The conveying path of the conveyor belt (1) is provided with a conveyor belt guide groove (11). The shearing position (13) is located at the bottom of the strip guide groove (11); The material conveying mechanism (1) further includes a pressure plate (12), which cooperates with the material guide groove (11) to limit the height of the material strip when cutting the material strip.

3. The waste belt tail shearing device according to claim 1, characterized in that: The cutting assembly (21) includes a blade (211) and a strip through hole (212). The material strip through hole (212) is positioned corresponding to the material strip guide groove (11) so that the material strip is suitable to pass through the material strip through hole (212) when it is transported in the material strip guide groove (11). When the blade (211) performs up and down shearing motion, it cooperates with the shearing position (13) to cut the material strip.

4. The waste belt tail shearing device according to claim 3, characterized in that: The shearing device also includes a guide (3); The cutter assembly (21) is movably inserted into the through hole of the guide (3) to guide the cutter assembly (21); The cutter assembly (21) also includes a reset member (213); One end of the reset member (213) is connected to the guide member (3), and the other end of the reset member (213) is connected to the end of the cutter assembly (21) near the blade (211).

5. The waste belt tail shearing device according to claim 1, characterized in that: The end of the cutter assembly (21) away from the blade (211) also includes a connecting groove (214). The transmission assembly (22) includes a transmission rod (221), a first follower (222), a second follower (223), and a mounting base (224). The first follower (222) and the second follower (223) are rotatably mounted on the transmission rod (221); The first follower (222) is fitted into the connecting groove (214) so ​​that the transmission rod (221) drives the cutter assembly (21) to move to cut the material strip; The end of the transmission rod (221) away from the connecting groove (214) is rotatably connected to the mounting base (224) via a shaft; The drive mechanism (23) is adapted to drive the second follower (223) to drive one end of the transmission rod (221) to rotate at the rotating part of the mounting base (224), so that the other end of the transmission rod (221) drives the cutter assembly (21) to move to cut the material strip.

6. The waste belt tail shearing device according to claim 1, characterized in that: The drive assembly (23) includes a motor assembly (231), a transmission shaft (232), and a drive component (233); wherein The motor assembly (231) is adapted to drive the transmission shaft (232) to rotate; The drive element (233) is disposed on the side of the transmission shaft (232); the drive element (233) is adapted to drive one end of the transmission rod (221) to rotate along the mounting base (224) via the second follower (223) so that the other end of the transmission rod (221) pulls the cutter assembly (21) to perform a downward shearing motion.

7. A waste conveyor tail shearing device, characterized in that, include: The belt conveyor (1), shearing mechanism (2), guide (3) and frame (4); in The material belt conveyor (1) has a shearing position (13) on its material belt transmission path. The shearing mechanism (2) includes: a cutter assembly (21), a transmission assembly (22) and a drive assembly (23). in The drive assembly (23) drives the cutter assembly (21) to perform up and down shearing motion at the shearing position (13) through the transmission assembly (22) to cut the material strip; The frame (4) is connected to the bottom surface of the belt conveyor (1).

8. The waste belt tail shearing device according to claim 7, characterized in that: The conveying path of the conveyor belt (1) is provided with a conveyor belt guide groove (11). The shearing position (13) is located at the bottom of the strip guide groove (11); The material conveying mechanism (1) further includes a pressure plate (12), which cooperates with the material guide groove (11) to limit the height of the material strip when cutting the material strip.

9. The waste belt tail shearing device according to claim 7, characterized in that: The shearing device also includes a controller (5); The frame (4) is provided with a proximity switch (41) that is electrically connected to the controller (5). The drive assembly (23) includes a sensing element suitable for detection by a proximity switch (41) so that the proximity switch (41) can detect whether the drive shaft (232) has rotated into position.