Tobacco cutter copper bar chain dismounting and mounting device
By using the design of wire rope and dispersing tension, the problems of unstable traction of copper chain disassembly and webbing breakage in the prior art are solved, and a safer and more stable disassembly and assembly process is achieved.
Patent Information
- Application Number
- CN202421283921.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The existing copper chain disassembly and assembly devices of wire cutting machines are prone to cause uneven tension and sudden fracture of the webbing during the traction process, which poses great operating risks.
Wire rope is used instead of webbing, and the tension applied to the link buckle is distributed by setting connecting rings and hooks to ensure traction stability and safety.
The wire rope is not easy to twist during the winch coiling process, the tension is uniform, and the strength is high and not easy to wear, avoiding sudden fractures and reducing operation risks.
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Figure CN222536799U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cigarette processing equipment, in particular to a copper bar chain disassembly and assembly device for a shredder. Background Art
[0002] In the silk production process, wire cutting is an important link to ensure the quality of silk production, and the copper chain conveyor of the wire cutting machine is a key component to ensure the uniformity of wire cutting. During the production process of the wire cutting machine, tobacco residues will cause a large amount of soot between the links of the copper chain, which will have many adverse effects on the working process of the wire cutting machine, such as causing the copper chain joints to harden and reducing the friction coefficient of the copper chain. If the soot on the copper chain is not cleaned in time, the life of various components will be shortened and the equipment maintenance cost will increase.
[0003] The copper chain disassembly and assembly device of the wire cutting machine in the prior art usually uses one end of the buckle to connect with the copper chain, and the other end to connect with the traction belt. The traction belt is wound on the drum of the winch, and the winch is used to reel in the traction belt to realize the disassembly and assembly of the copper chain. In order to avoid the traction tension being concentrated on one point on the buckle, so that the tension on the buckle is uneven, resulting in unstable traction, the prior art often uses a webbing with a width similar to that of the buckle as the traction rope. Since the webbing is made of flexible material and has a certain width, the webbing is easily twisted during the winch reeling process, resulting in fluctuations in the tension on the buckle, thereby making the tension on the copper chain uneven. On the other hand, since the webbing is easily worn during repeated use, the webbing is prone to sudden breakage during the reeling process, and there is a greater operational risk. Utility Model Content
[0004] One purpose of the utility model is to provide a wire cutting machine copper bar chain disassembly and assembly device, which can stably pull the copper bar chain and reduce the operation risk.
[0005] To achieve this purpose, the utility model adopts the following technical solutions:
[0006] A wire cutting machine copper bar chain disassembly and assembly device, comprising a chain disassembly frame and a traction mechanism, wherein the traction mechanism comprises:
[0007] A chain link buckle, the chain link buckle extends along a first direction, and the chain link buckle is provided with a mounting protrusion at one end in the first direction, the mounting protrusion can be inserted between two adjacent connecting columns at the end of the copper bar chain, and the mounting protrusion is provided with a through hole for inserting a connecting pin;
[0008] A connecting ring, wherein the connecting ring is an open ring, and two open ends of the connecting ring are respectively connected to two ends of the chain link buckle in a second direction, wherein the second direction is horizontal and perpendicular to the first direction;
[0009] A winch, wherein the connecting ring is located between the chain link buckle and the winch along the first direction, the winch is rotatably connected to the chain removal frame, a steel wire rope is wound around the drum of the winch, a hook is connected to the traction end of the steel wire rope, and the hook is hooked on the connecting ring.
[0010] Preferably, the length of the chain link buckle in the second direction is L1, the radius of the connecting ring is L2, and L2≤L1.
[0011] Preferably, two mounting protrusions are provided, the two mounting protrusions are spaced apart along the second direction, the minimum distance between the two mounting protrusions is L3, the maximum distance between two adjacent connecting columns at the ends of the copper bar chain is L4, and L3>L4.
[0012] Preferably, the two open ends of the connecting ring are bent and embedded in the chain link buckle.
[0013] Preferably, a limiting groove is provided at one end of the connecting ring away from the chain link buckle along the first direction, and the hook is limited in the limiting groove along the second direction, and the limiting groove is symmetrically arranged about a preset plane, the preset plane is perpendicular to the second direction and the center of the connecting ring is located in the preset plane.
[0014] Preferably, the winch is connected to a handle to drive the drum to rotate around its own central axis, and the central axis of the drum is parallel to the second direction.
[0015] Preferably, it further comprises a support and guide mechanism, wherein the support and guide mechanism comprises:
[0016] A support platform, the support platform is used to support the copper bar chain, the support platform has a first end and a second end arranged opposite to each other along the first direction, the first end is rotatably connected to the chain removal frame through a rotating shaft, the rotating shaft extends along the second direction, and the winch and the first end are located at the same end of the support platform along the first direction;
[0017] A driving unit is used to drive the supporting platform to rotate around the rotating axis.
[0018] Preferably, the driving unit includes a lifting screw, a positioning nut is fixed on the chain dismantling frame, the lifting screw is threadedly connected to the positioning nut, the bottom surface of the support platform is rotatably connected to a pipe sleeve, the lifting screw is inserted into the pipe sleeve and can rotate relative to the pipe sleeve.
[0019] Preferably, one end of the lifting screw away from the pipe sleeve is connected to a hand wheel.
[0020] Preferably, a limiting protrusion is provided on one of the second end of the support platform and the chain removal frame, and a limiting hole is provided on the other one, and the limiting protrusion is slidably penetrated in the limiting hole along the circumference of the rotating shaft.
[0021] Beneficial effects:
[0022] The utility model provides a disassembly and assembly device for a copper bar chain of a wire cutting machine, wherein a mounting protrusion is arranged at one end of a chain link buckle in a first direction, the mounting protrusion is inserted between two adjacent connecting columns at the end of the copper bar chain, and a connecting pin passes through the through holes of the mounting protrusion and the connecting column to stably connect the chain link buckle and the copper bar chain; a steel wire rope is used to replace the webbing, on the one hand, the steel wire rope will not be twisted during the winding process of the winch, and no tension fluctuation will be generated; on the other hand, the steel wire rope has high strength and is not easy to wear out after repeated use, so sudden breakage can be avoided and the operation risk can be reduced.
[0023] Since only the webbing is replaced with the wire rope, the width of the webbing itself is discarded and the tension on the chain link buckle cannot be dispersed. In order to avoid replacing the traction rope from the webbing with the wire rope so that the pulling force on the chain link buckle is concentrated on one point on the chain link buckle, the two open ends of the connecting ring are connected to the two ends of the chain link buckle in the second direction, and the second direction is perpendicular to the first direction, so as to disperse the tension on the chain link buckle, and the hook is hooked on the connecting ring to connect the chain link buckle to the winch, and the winch is used to reel in the wire rope to apply tension to the chain link buckle. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a structural schematic diagram of a copper bar chain disassembly and assembly device for a wire cutting machine provided by an embodiment of the utility model;
[0025] Figure 2 It is a top view of the traction mechanism of the copper bar chain disassembly and assembly device of the wire cutting machine provided by the embodiment of the utility model;
[0026] Figure 3 It is a structural top view of the chain link buckle and the connecting ring of the copper bar chain disassembly and assembly device of the wire cutting machine provided by the embodiment of the utility model;
[0027] Figure 4 It is a structural schematic diagram of a wire cutting machine copper bar chain disassembly and assembly device provided by an embodiment of the utility model in combination with a wire cutting machine;
[0028] Figure 5 It is a partial structural schematic diagram of a copper bar chain disassembly and assembly device for a wire cutting machine provided in an embodiment of the utility model.
[0029] in:
[0030] 1. Traction mechanism; 11. Chain link buckle; 111. Mounting protrusion; 12. Connecting ring; 121. Limiting groove; 13. Winch; 131. Reel; 132. Handle; 14. Wire rope; 141. Hook; 2. Support and guide mechanism; 21. Support platform; 211. First end; 212. Second end; 22. Drive unit; 221. Lifting screw; 23. Pipe sleeve; 24. Limiting hole; 3. Chain removal frame; 31. Positioning nut; 32. Limiting protrusion. DETAILED DESCRIPTION
[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0032] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.
[0033] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0034] Unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0035] In order to avoid the traction force being concentrated on one point on the buckle, causing uneven tension on the buckle and unstable traction, the current copper chain disassembly and assembly device of the wire cutting machine often uses a webbing with a width similar to the buckle as a traction rope. Since the webbing is made of flexible material and has width, the webbing is prone to twisting during the winch winding process, causing fluctuations in the tension on the buckle, thereby making the tension on the copper chain uneven. On the other hand, since the webbing is prone to wear during repeated use, it is prone to sudden breakage during the winding process, which poses a greater operational risk.
[0036] Based on the above problems, this embodiment provides a wire cutting machine copper bar chain disassembly and assembly device, which can be used for stable disassembly and assembly of the wire cutting machine copper bar chain to reduce safety hazards.
[0037] Please refer to Figure 1-5 The wire cutting machine copper bar chain disassembly and assembly device provided in this embodiment includes a chain disassembly frame 3, a traction mechanism 1 and a support guide mechanism 2. The traction mechanism 1 includes a chain link buckle 11, a connecting ring 12 and a capstan 13. The chain link buckle 11 extends along a first direction, and a mounting protrusion 111 is convexly provided at one end of the chain link buckle 11 in the first direction. Each mounting protrusion 111 can be inserted between two adjacent connecting columns of the copper bar chain link. The mounting protrusion 111 is provided with a through hole for inserting a connecting pin. The connecting pin passes through the connecting column hole of the copper bar chain link and the through hole of the mounting protrusion 111, so as to stably connect the chain link buckle 11 with the copper bar chain to prevent the chain link buckle 11 and the copper bar chain from being disengaged during the pulling process.
[0038] A capstan 13 is provided to apply tension to the chain link buckle 11, and the capstan 13 is rotatably connected to a fixed seat of the chain dismantling frame 3. A steel wire rope 14 is wound around a drum 131 of the capstan 13. The steel wire rope 14 is used to replace the webbing. On the one hand, the steel wire rope 14 does not twist during the winding process of the capstan 13, and does not generate tension fluctuations, thereby improving the pulling stability. On the other hand, the steel wire rope 14 has high strength and is not easily worn out after repeated use, thereby avoiding sudden breakage and reducing operational risks.
[0039] Since only the webbing is replaced with the steel wire rope 14, the width of the webbing itself is abandoned, and the tension on the link buckle 11 cannot be dispersed. In order to avoid the pulling force on the link buckle 11 being concentrated on one point on the link buckle 11 when the traction rope is replaced from the webbing to the steel wire rope 14, a connecting ring 12 is provided between the link buckle 11 and the winch 13 along the first direction. The connecting ring 12 is an open ring. The two open ends of the connecting ring 12 are connected to the two ends of the link buckle 11 in the second direction, and the second direction is perpendicular to the first direction, so as to disperse the tension on the link buckle 11 and avoid uneven tension on the buckle. Specifically, the two open ends of the connecting ring 12 are bent and embedded in the chain link buckle 11, so that the connecting ring 12 and the link buckle 11 are connected. In other embodiments, the two open ends of the connecting ring 12 can be welded to the two ends in the second direction.
[0040] In order to improve the flexibility of the traction mechanism 1, the traction end of the wire rope 14 is connected to a hook 141, and the hook 141 is used to hook the connecting ring 12. The hook 141 is hooked on the connecting ring 12, so that the chain link buckle 11 is connected to the winch 13. The winch 13 is used to reel in the wire rope 14 to apply tension to the chain link buckle 11, so that the chain link buckle 11 pulls the copper bar chain to move, thereby realizing the disassembly and assembly of the copper bar chain of the wire cutting machine.
[0041] For further information, please refer to Figure 1 The winch 13 is connected to a handle 132 to drive the drum 131 to rotate around its own central axis, and the central axis of the drum 131 is parallel to the second direction. The operator drives the winch 13 to rotate through the handle 132 to reel in the wire rope 14. In order to prevent the operator from holding the handle 132 unsteadily during the pulling process, an anti-slip protrusion is provided on the outer surface of the handle 132 to increase the friction generated when the handle 132 is held.
[0042] For further information, please refer to Figure 1 In order to facilitate the movement of the copper bar chain disassembly and assembly device for the wire cutting machine provided in this embodiment, six support wheels with brakes are arranged at the bottom of the chain disassembly frame 3. After the brakes are turned on and the copper bar chain disassembly and assembly device for the wire cutting machine provided in this embodiment is moved to a suitable position, the brakes of the six support wheels are locked to stabilize the copper bar chain disassembly and assembly device for the wire cutting machine provided in this embodiment in a suitable position.
[0043] For further information, please refer to Figure 2 In order to improve the stability of the chain link buckle 11 during the pulling process, the length of the chain link buckle 11 in the second direction is L1, and the radius of the connecting ring 12 is L2, L2≤L1. Since L2≤L1, the tension on the chain link buckle 11 is more dispersed, and the required tension is smaller. The degree of dispersion of the tension applied by the chain link buckle 11 to the copper bar chain is proportional to L3. Increasing L3 when permitted in actual operation can improve the stability of the chain link buckle 11 during the pulling process.
[0044] For further information, please refer to Figure 3 , since the dispersion degree of the tension applied by the chain link buckle 11 to the copper bar chain is proportional to L3, in order to improve the dispersion degree of the tension applied to the copper bar chain, two mounting protrusions 111 are provided, and the two mounting protrusions 111 are arranged at intervals along the second direction, and the minimum distance between the two mounting protrusions 111 is L3, and the maximum distance between two adjacent connecting columns at the end of the copper bar chain is L4, L3>L4. Specifically, the mounting protrusions 111 are arranged at both ends of the chain link buckle 11 along the second direction. When fixing the two mounting protrusions 111 and the copper bar chain links, it should be ensured that the center of the chain link buckle 11 and the center of the copper bar chain are as close as possible to the same axis in the first direction. When the center of the chain link buckle 11 and the center of the copper bar chain are on the same axis in the first direction, the traction effect is most stable.
[0045] For further information, please refer to Figure 3 In order to improve the stability and firmness of the hook 141 hooking the connecting ring 12, a limiting groove 121 is provided at one end of the connecting ring 12 away from the chain link buckle 11 in the first direction. The limiting groove 121 is symmetrically arranged about a preset plane, the preset plane is perpendicular to the second direction, and the center of the connecting ring 12 is located in the preset plane. The hook 141 is hooked in the limiting groove 121, and the hook 141 is limited in the limiting groove 121 in the second direction, which can prevent the hook 141 from moving circumferentially along the connecting ring 12 during the pulling process, thereby improving the stability and firmness of the hook 141 hooking the connecting ring 12 and improving the pulling stability.
[0046] For further information, please refer to Figure 4 The support and guide mechanism 2 in this embodiment includes a support platform 21 and a driving unit 22. The support platform 21 is used to support the copper bar chain. The support platform 21 has a first end 211 and a second end 212 that are relatively arranged along the first direction. The first end 211 is rotatably connected to the chain removal frame 3 through a rotating shaft. The rotating shaft extends along the second direction. The capstan 13 and the first end 211 are located at the same end of the support platform 21 along the first direction. The driving unit 22 is used to drive the support platform 21 to rotate around the rotating shaft. Through the support and guide mechanism 2, the support platform 21 is driven to rise and fall, which can adapt to the disassembly and assembly requirements of the copper bar chain located at different heights of the wire cutting machine. Since the copper bar chain has a large mass, the height of the second end 212 of the support platform 21 is adjusted to the height of the copper bar chain in the wire cutting machine. The copper bar chain is supported by the support platform 21 to reduce the influence of the copper bar chain's own weight, which can reduce the difficulty of disassembly and assembly and reduce the risk of operation.
[0047] For further information, please refer to Figure 5The driving unit 22 includes a lifting screw 221, a positioning nut 31 is provided on the chain dismantling frame 3, the positioning nut 31 is spaced apart from the first end 211 in the first direction, the lifting screw 221 is threadedly connected to the positioning nut 31, the bottom surface of the support platform 21 is rotatably connected to the pipe sleeve 23, and the lifting screw 221 is inserted into the pipe sleeve 23 and rotates relative to the pipe sleeve 23. By rotating the lifting screw 221, the lifting screw 221 drives the pipe sleeve 23 rotatably connected thereto upward, thereby raising the second end 212 of the support platform 21. Since the lifting screw 221 is threadedly connected to the positioning nut 31, when the lifting screw 221 stops lifting, the positioning nut 31 can lock the lifting screw 221, so that the lifting screw 221 can stably support the support platform 21. Specifically, in order to facilitate the lifting drive, a hand wheel is connected to the end of the lifting screw 221 away from the pipe sleeve 23.
[0048] For further information, please refer to Figure 5 When the copper bar chain is guided by the support platform 21, the second end 212 of the support platform 21 needs to be consistent with the height of the copper bar chain inside the wire cutter. However, when the position of the copper bar chain inside the wire cutter is set too high, the rotation angle of the support platform 21 will be too large, so that the copper bar chain can naturally fall along the support platform 21 due to gravity, and the falling speed is difficult to control, increasing the operation risk. In order to limit the rotation angle within the safe operation range, a limiting hole 24 is provided at the second end 212 of the support platform 21, and a limiting protrusion 32 is provided on the chain dismantling frame 3. The limiting protrusion 32 is slidably penetrated in the limiting hole 24 along the circumference of the rotation axis. Not only can the rotation of the support plate 21 be guided by the cooperation of the limiting hole 24 and the limiting protrusion 32, but also the maximum rotation angle of the support platform 21 around the rotation axis can be limited, and the limiting hole 24 can be prevented from being protruded higher than the support platform 21, thereby improving the aesthetics of the copper bar chain disassembly and assembly device of the wire cutter.
[0049] When the support platform 21 rotates to the maximum rotation angle, the component force of the copper bar chain along the first direction is still insufficient to balance the friction between the copper bar chain and the support platform 21, preventing the copper bar chain from sliding along the support platform 21 and hitting the winch 13 and the operator, causing damage to the device and injury to the operator, further reducing the operational risk. If the second end 212 of the support platform 21 does not reach the same height as the copper bar chain position inside the wire cutter, the limiting protrusion 32 has abutted against the inner wall of the limiting hole 24, causing the second end 212 to be unable to rise further, and the operator can be reminded to make adaptive adjustments while ensuring operational safety, such as replacing the wire cutter copper bar chain disassembly and assembly device of other sizes, or overlapping an extension plate on the support platform 21. In other embodiments, a limiting hole 24 can be provided on the chain removal frame 3, and a limiting protrusion 32 can be provided on the second end 212 of the support platform 21.
[0050] Please refer to Figure 4The process of disassembling the copper bar chain of the wire cutting machine copper bar chain disassembly and assembly device provided in this embodiment is as follows:
[0051] When the copper bar chain needs to be disassembled, the chain disassembly frame 3 is moved to the wire cutting machine until one end of the limit protrusion 32 of the chain disassembly frame 3 is against the frame of the wire cutting machine, and the brakes of the six support wheels with brakes at the bottom of the chain disassembly frame 3 are locked, so that the chain disassembly frame 3 is stable in this position. The second end 212 of the support platform 21 is adjusted to a position of a suitable height by the driving unit 22, and then the closed ring copper bar chain is disassembled, so that the chain link buckle 11 is connected to the chain link end of the disassembled copper bar chain, and the hook 141 is hooked in the limit groove 121 of the connecting ring 12, and the winch 13 is driven to reel in the wire rope 14, and the copper bar chain is pulled along the first direction to the side where the winch 13 is located, and the copper bar chain is pulled from the copper bar chain sprocket of the wire cutting machine to the track of the support platform 21 until the copper bar chain is completely located on the support platform 21, that is, the disassembly of the copper bar chain is completed.
[0052] When the copper bar chain needs to be installed, the copper bar chain is transported to the wire cutting machine through the chain dismantling frame 3 until one end of the limit protrusion 32 of the chain dismantling frame 3 is against the frame of the wire cutting machine and the brake is locked. After the traction end of the wire rope 14 enters the wire cutting machine and bypasses the copper bar chain sprocket, it exits the wire cutting machine and is connected to the chain link end of the copper bar chain on the support platform 21 through the chain link buckle 11, driving the winch 13 to reel the wire rope 14 and pull the copper bar chain away from the support platform 21. The wire rope 14 pulls the copper bar chain gradually around the copper bar chain sprocket until the copper bar chain is completely placed on the copper bar chain sprocket, removes the chain link buckle 11 from the end of the copper bar chain, and then connects the two ends of the copper bar chain to form a closed ring structure, completing the installation of the copper bar chain.
[0053] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.
Claims
1. A wire cutting machine copper bar chain disassembly and assembly device, comprising a chain disassembly frame (3), characterized in that: It also comprises a traction mechanism (1), wherein the traction mechanism (1) comprises: A chain link buckle (11), the chain link buckle (11) extending in a first direction, and a mounting protrusion (111) protruding from one end of the chain link buckle (11) in the first direction, the mounting protrusion (111) being capable of being inserted between two adjacent connecting columns at the end of the copper bar chain, and the mounting protrusion (111) being provided with a through hole for inserting a connecting pin; A connecting ring (12), the connecting ring (12) being an open ring, the two ends of the opening of the connecting ring (12) being respectively connected to the two ends of the chain link buckle (11) in a second direction, the second direction being horizontal and perpendicular to the first direction; A winch (13), wherein the connecting ring (12) is located between the chain link buckle (11) and the winch (13) along the first direction, the winch (13) is rotatably connected to the chain dismantling frame (3), a steel wire rope (14) is wound around a drum (131) of the winch (13), a traction end of the steel wire rope (14) is connected to a hook (141), and the hook (141) is hooked on the connecting ring (12).
2. The wire cutting machine copper bar chain disassembly and assembly device according to claim 1, characterized in that: The length of the chain link buckle (11) in the second direction is L1, the radius of the connecting ring (12) is L2, and L2≤L1.
3. The wire cutting machine copper bar chain disassembly and assembly device according to claim 1, characterized in that: Two mounting protrusions (111) are provided, and the two mounting protrusions (111) are spaced apart along the second direction. The minimum distance between the two mounting protrusions (111) is L3, and the maximum distance between two adjacent connecting columns at the ends of the copper bar chain is L4, where L3>L4.
4. The wire cutting machine copper bar chain disassembly and assembly device according to claim 1, characterized in that: The two ends of the opening of the connecting ring (12) are bent and embedded in the chain link buckle (11).
5. The wire cutting machine copper bar chain disassembly and assembly device according to claim 1, characterized in that: A limiting groove (121) is provided at one end of the connecting ring (12) away from the chain link buckle (11) along the first direction, and the hook (141) is limited in the limiting groove (121) along the second direction. The limiting groove (121) is symmetrically arranged about a preset plane, the preset plane is perpendicular to the second direction and the center of the connecting ring (12) is located in the preset plane.
6. The wire cutting machine copper bar chain disassembly and assembly device according to any one of claims 1 to 5, characterized in that: The winch (13) is connected to a handle (132) to drive the drum (131) to rotate around its own central axis, and the central axis of the drum (131) is parallel to the second direction.
7. The wire cutting machine copper bar chain disassembly and assembly device according to claim 6, characterized in that: It also includes a support and guide mechanism (2), wherein the support and guide mechanism (2) includes: A support platform (21), the support platform (21) being used to support the copper bar chain, the support platform (21) having a first end (211) and a second end (212) arranged opposite to each other along the first direction, the first end (211) being rotatably connected to the chain removal frame (3) via a rotating shaft, the rotating shaft extending along the second direction, the winch (13) and the first end (211) being located at the same end of the support platform (21) along the first direction; A driving unit (22), the driving unit (22) being used to drive the supporting platform (21) to rotate around the rotating axis.
8. The wire cutting machine copper bar chain disassembly and assembly device according to claim 7, characterized in that: The driving unit (22) comprises a lifting screw (221), a positioning nut (31) is fixed on the chain removal frame (3), the lifting screw (221) is threadedly connected to the positioning nut (31), the bottom surface of the support platform (21) is rotatably connected to a pipe sleeve (23), and the lifting screw (221) is inserted into the pipe sleeve (23) and can rotate relative to the pipe sleeve (23).
9. The wire cutting machine copper bar chain disassembly and assembly device according to claim 8, characterized in that: One end of the lifting screw rod (221) away from the pipe sleeve (23) is connected to a hand wheel.
10. The wire cutting machine copper bar chain disassembly and assembly device according to claim 9, characterized in that: A limiting protrusion (32) is provided on one of the second end (212) of the support platform (21) and the chain removal frame (3), and a limiting hole (24) is provided on the other one. The limiting protrusion (32) is slidably inserted into the limiting hole (24) along the circumference of the rotating shaft.