Material belt threading structure and material belt conveying equipment

Abstract

The utility model discloses a material belt threading structure and material belt conveying equipment, which belongs to the field of coating machine equipment and comprises a clamping mechanism, a turnover mechanism, a locking component and a conveying mechanism. The clamping mechanism is used for clamping or separating a material belt; the turnover mechanism is used for driving the clamping mechanism for clamping the material belt to turn over from a first working position to a second working position; the locking assembly is used for locking the clamping mechanism located at the second working position. The conveying mechanism drives the clamping mechanism to drive the clamped material belt to be conveyed in the first direction. The belt threading device is good in belt threading effect, and prevents the material belt from wrinkling, falling off, even being snapped and the like in the belt splicing process.

Description

Technical Field

[0001] The utility model belongs to the field of material belt conveying equipment, in particular to a material belt threading structure and material belt conveying equipment. Background Art

[0002] Coating is defined as the process of applying a covering, varnish, or protective layer to one or both sides of a substrate. As a crucial step in lithium battery production, the coating process requires the surface of copper foil to be covered with a composite film layer, and strict quality requirements are imposed on the copper foil coated with the composite film layer.

[0003] During the production and transportation of material strips, strip breakage is a common problem. For example, in the lithium battery coating process, after the copper foil strip is coated with the film composite material, it needs to be placed inside the coating machine's oven for drying. However, during transportation within the oven, the copper foil strip often breaks for various reasons. For example, the oven interior is difficult to open, making it difficult to clean the rollers inside. The rollers can also become contaminated with foreign matter or develop protrusions due to long-term use, which can puncture the copper foil strip during transportation and cause it to break. Currently, when the copper foil strip breaks, the oven must be shut down before the strip can be removed. If the oven is not shut down, the operator cannot thread the strip due to the high temperature. However, if the broken copper foil strip is shut down before it can be removed, it must wait for half an hour to over an hour for it to cool down. Furthermore, operators must manually transfer the copper foil strip section by section when removing it, which is not only time-consuming and labor-intensive, but also significantly reduces production efficiency.

[0004] The utility model patent with application number CN202322655854.0 discloses a mechanical belt threading device for an oven that can realize tension control. The tension of two sprocket groups is controlled simultaneously by the tension control device to achieve the purpose of automatic and stable belt threading. However, this patent only takes into account the consistency of the sprocket tension, but does not further describe the belt threading rod structure. The copper foil tape may still be broken during the conveying process due to uneven force on the left and right sides, or it may be wrinkled or fall off due to insufficient traction and clamping force, and still cannot achieve the ideal belt threading effect. Therefore, it is necessary to propose a material belt threading structure and material belt conveying equipment in this field to overcome the defects of the copper foil tape that may wrinkle, fall off or even be broken during the threading process after the tape breaks. Utility Model Content

[0005] The purpose of this utility model is to provide a material belt threading structure and material belt conveying equipment to address the above shortcomings, and to solve the problems such as the current unsatisfactory automatic belt threading effect. To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A material belt threading structure includes a clamping mechanism, a flipping mechanism and a conveying mechanism; the clamping mechanism extends along a first direction, the clamping mechanism includes a clamping opening, and the clamping opening is used to clamp or release the material belt; the flipping mechanism drives and connects the clamping mechanism to drive the clamping mechanism to flip from a first working state to a second working state; the conveying mechanism connects the two ends of the clamping mechanism along the first direction, and drives the clamping mechanism to be transported along a second direction; the first working state is the working state of the clamping mechanism when the clamping opening faces the second direction, and the second working state is the working state of the clamping mechanism when the clamping opening faces a third direction; the second direction is parallel to the conveying direction of the material belt, the first direction is parallel to the conveying plane of the material belt and perpendicular to the second direction, and the third direction is perpendicular to the conveying plane of the material belt.

[0007] As an optional solution, the clamping mechanism includes a clamping assembly, and the clamping assembly includes two auxiliary clamping members arranged opposite to each other along the third direction. The two auxiliary clamping members are respectively extended along the first direction, and the clamping opening is formed therebetween.

[0008] As an optional solution, the clamping assembly also includes two movable clamping members; the two auxiliary clamping members are detachably mounted on one movable clamping member at the same end along the first direction; the two movable clamping members are used to adjust the spacing between the clamping openings between the two auxiliary clamping members so that the clamping openings can clamp or release the material strip.

[0009] As an optional solution, the movable clamping member includes a lower clamp, an upper clamp, a mounting seat and a clamp driving member; the lower clamp is movably connected to the upper clamp in the third direction, the clamp driving member is provided on the mounting seat, at least one of the lower clamp and the upper clamp is driven and connected to the clamp driving member, the mounting seat is installed on the conveying mechanism, and the clamp driving member is used to drive one of the lower clamp and the upper clamp to move relative to the other along the third direction to change the clamping opening spacing of the two auxiliary clamping members.

[0010] As an optional solution, each of the auxiliary clamping members is provided with connecting lugs at both ends; the upper clamp and the lower clamp are respectively provided with connecting grooves matching the connecting lugs of the auxiliary clamping members, and the auxiliary clamping member is installed between the two upper clamps or the two lower clamps by connecting the connecting lugs at both ends to the connecting grooves.

[0011] As an optional solution, one of the two auxiliary clamping members or the upper clamp has a first plane parallel to the first direction in the first working state; the other of the two auxiliary clamping members or the lower clamp has a second plane arranged opposite to the first plane and parallel to each other; and buffer members are provided on both the first plane and the second plane.

[0012] As an optional solution, the flipping mechanism includes a flipping assembly corresponding one-to-one to the two movable clamping members; the flipping assembly includes a moving member and a flipping motor, and the flipping motor is driven and connected to the moving member to drive the moving member to rotate; the moving member is movably mounted on the mounting seat, and one end of the moving member is fixedly connected to the clamp driving member; the flipping motor drives the moving member to rotate, so that the clamp driving member drives the two movable clamping members to flip synchronously from the first working state to the second working state.

[0013] As an optional solution, the clamping mechanism includes a locking assembly, which is connected to at least one end of the clamping mechanism along the first direction, and the locking assembly includes a plurality of first locking members; the mounting seat includes a plurality of second locking members; when the movable clamping member is flipped to the second working state, a plurality of the second locking members cooperate with a plurality of the first locking members to fix the positions of the two movable clamping members and the mounting seat.

[0014] As an optional solution, the conveying mechanism includes a conveying drive and two conveying chains arranged parallel to the first direction and at the same height, the conveying drive drives the conveying chains; the two movable clamping members are arranged on the two conveying chains through the mounting seat; the conveying drive synchronously drives the two conveying chains to drive the two movable clamping members and the two auxiliary clamping members to transport along the second direction.

[0015] A material belt conveying device, comprising the material belt threading structure described in any of the above optional schemes; the material belt conveying device is provided with a belt inlet and a belt outlet; the starting end of the conveying mechanism is located outside the belt inlet; the terminal end of the conveying mechanism is located outside the belt outlet; the material belt conveying device is used to drive the material belt to move along the second direction to convey the material belt from the belt inlet to the belt outlet.

[0016] The beneficial effects of the utility model are:

[0017] The utility model discloses a material belt threading structure and material belt conveying equipment, belonging to the field of material belt conveying equipment, comprising a clamping mechanism, a flipping mechanism and a conveying mechanism; the clamping mechanism is extended along a first direction, and the clamping mechanism includes a clamping opening for clamping or releasing the material belt; the flipping mechanism drives the connected clamping mechanism, and is used to drive the clamping mechanism to flip from a first working state to a second working state; the conveying mechanism is used to drive the clamping mechanism to transport along a second direction; wherein the first working state is the working state of the clamping mechanism when the clamping opening faces the second direction, and the second working state is the working state of the clamping mechanism when the clamping opening faces the third direction; the second direction is parallel to the conveying direction of the material belt, the first direction is parallel to the conveying plane of the material belt and perpendicular to the second direction, and the third direction is perpendicular to the conveying plane of the material belt. The utility model has a good threading effect, and prevents the material belt from wrinkling, falling off, or even being pulled apart during the splicing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention, in which the auxiliary clamping member is not installed on the movable clamping member;

[0019] Figure 2 This is a front view of the present invention, with the auxiliary clamping member not mounted on the movable clamping member;

[0020] Figure 3 This utility model Figure 1 Schematic diagram of the local structure at structure A;

[0021] Figure 4 This utility model Figure 1 Schematic diagram of the local structure at structure B;

[0022] Figure 5 This utility model Figure 1 A schematic diagram of a partial structure of the mounting base, without showing the locking assembly;

[0023] Figure 6 It is a partial structural diagram of the movable clamping member and the mounting seat of the utility model, and the locking assembly is not shown;

[0024] In the accompanying drawings: 1. Auxiliary clamping member; 2. Movable clamping member; 3. Conveyor chain; 4. Moving member; 5. First plane; 6. Second plane; 11. Connecting lug; 21. Lower clamp; 22. Upper clamp; 23. Mounting seat; 24. Buffer member; 25. Connecting groove; 41. First locking hole; 42. Second locking hole; 221. First fixing hole. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It will be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model.

[0026] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0027] In the present invention, unless otherwise expressly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature. In addition, the terms "first" and "second" are only used to distinguish in description and have no special meaning.

[0028] It should be noted that, unless there is a conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the embodiments.

[0029] Example 1:

[0030] Figure 1 and Figure 2 The overall structure of a tape threading structure is shown. A tape threading structure includes a clamping mechanism, a flipping mechanism, and a conveying mechanism. The clamping mechanism extends along a first direction and includes a clamping opening for clamping or releasing the tape. The clamping mechanism is used to adjust the size of the clamping opening to contact and clamp the tape when it breaks, and to release the tape after it is transported to a predetermined position, facilitating the continued splicing of the tape. A flipping mechanism is provided to ensure that the clamped tape remains taut, preventing it from wrinkling, falling off, or even breaking again during the splicing process.

[0031] The flipping mechanism drives and connects the clamping mechanism, driving the clamping mechanism to flip from a first operating state to a second operating state. This flips the clamped portion of the strip so that the strip behind the clamped portion is tensioned. This ensures consistent tension across the strip and prevents deformation, wrinkling, or shedding of the strip during subsequent movement, resulting in improved reliability. The conveying mechanism connects both ends of the clamping mechanism in the first direction and drives the clamping mechanism to transport the clamped strip in the second direction.

[0032] The first direction is parallel to the conveying plane of the material strip and perpendicular to the second direction, the second direction is parallel to the conveying direction of the material strip, and the third direction is perpendicular to the conveying plane of the material strip. The first operating state is the operating state of the clamping mechanism when the clamping opening is facing the second direction, and the second operating state is the operating state of the clamping mechanism when the clamping opening is facing the third direction. Specifically, the first direction can be set to be horizontally to the left or right, i.e., the X direction in the coordinate axis, the second direction can be set to be horizontally forward or backward, i.e., the Z direction in the coordinate axis, and the third direction can be set to be vertically, i.e., the Y direction in the coordinate axis. The material strip can be a copper foil strip or an aluminum foil strip.

[0033] The belt threading structure of the utility model can automatically connect and thread the belt when the belt breaks, and flip the belt after clamping, so that the tension of the belt at various locations can be kept consistent during the threading process after the belt breaks, preventing the belt from wrinkling, falling off or even being pulled apart. The belt threading effect is good and does not affect subsequent production operations.

[0034] The clamping mechanism includes a clamping assembly, which includes two auxiliary clamping members 1 arranged opposite each other along a third direction. The two auxiliary clamping members 1 extend along a first direction, respectively, and a clamping opening is formed between them. The two auxiliary clamping members 1 are used to cooperate with each other to contact, press, or detach the central portion of the material strip. The clamping assembly also includes two movable clamping members 2, and the two auxiliary clamping members 1 are detachably mounted on a movable clamping member 2 at the same end along the first direction. The detachable mounting facilitates the disassembly, replacement, and cleaning of the auxiliary clamping members 1. The two movable clamping members 2 are used to adjust the spacing between the clamping openings of the two auxiliary clamping members 1 so that the clamping openings can clamp or release the material strip. For example, when the third direction is the vertical Z direction, the two auxiliary clamping members 1 can approach and contact the material strip from the upper and lower sides of the material strip in the vertical direction to clamp the material strip, or move relatively away from each other in the vertical direction to release the material strip. When the material strip is not broken, the two movable clamping members 2 can be placed at the starting end of the conveyor mechanism, and the material strip can pass between the two auxiliary clamping members 1 with a certain distance. After the material strip is broken, the conveyor mechanism can be used to transport the two auxiliary clamping members 1 to the end of the broken material strip with some residual material. Then, the two movable clamping members 2 can be used to adjust the vertical distance between the two clamping members 1 so that the two clamping members 1 can clamp the end of the broken material strip.

[0035] Figure 3 The figure shows the specific structure of the movable clamping member 2. The movable clamping member 2 includes a lower clamp 21, an upper clamp 22, a mounting seat 23 and a clamp driving member, wherein the lower clamp 21 and the upper clamp 22 are movably connected in the third direction, the mounting seat 23 is used to provide a mounting base for the movable clamping member 2, and the clamp driving member is Figure 3 Although not specifically shown, a clamp driver may be provided on the mounting base 23 for driving one of the lower clamp 21 and the upper clamp 22 to move relative to the other in the third direction, thereby changing the spacing between the clamping openings of the two auxiliary clamping members 1. The mounting base 23 is further mounted on a conveying mechanism and driven by the conveying mechanism to be transported in the second direction. The mounting base 23 may be connected to existing mechanical connections such as bolts or plates. The present invention indirectly changes the spacing between the clamping openings of the two auxiliary clamping members 1 and the material strip by changing the vertical distance between the upper clamp 22 and the lower clamp 21, thereby placing the two auxiliary clamping members 1 in a mating, clamped, or loosened state with the material strip.

[0036] Preferably, the movable clamping member 2 can also adopt a design scheme in which the lower clamp 21 is rotatably connected to the mounting seat 23, the upper clamp 22 is movably connected to the lower clamp 21, and the clamp driving member is built into the lower clamp 21, and is electrically connected to an external controller via a wired or wireless manner. By allowing the clamp driving member to control the lifting and lowering of the upper clamp 22, the function of changing the vertical distance between the upper clamp 22 and the lower clamp 21 is realized.

[0037] Both ends of each auxiliary clamping member 1 are provided with connecting lugs 11, and the upper clamp 22 and the lower clamp 21 are respectively provided with connecting grooves 25 that match the connecting lugs 11 of the auxiliary clamping member 1. One auxiliary clamping member 1 cooperates with the connecting grooves 25 of the two upper clamps 22 through the connecting lugs 11 at both ends to be installed between the two upper clamps 22, and the other auxiliary clamping member 1 cooperates with the connecting grooves 25 of the two lower clamps 21 through the connecting lugs 11 at both ends to be installed between the two lower clamps 21. After installation, the two auxiliary clamping members 1 are arranged opposite to each other and can have a certain gap. Therefore, by adjusting the distance between the upper clamp 22 or the lower clamp 21 in the third direction, any auxiliary clamping member 1 installed between the two upper clamps 22 can be moved closer to or away from the other auxiliary clamping member 1 along the third direction.

[0038] Preferably, the upper clamp 22 may further include a first fixing hole 221 and a first fixing bolt that communicate between the outside and the connecting groove 25 along the second direction. The connecting lug 11 of one auxiliary clamping member 1 is provided with a connecting hole. After the connecting lug is inserted into the connecting groove 25, the connecting hole and the first fixing hole 221 are aligned. The first fixing bolt engages with the first fixing hole 221 and simultaneously passes through the connecting hole of the connecting lug 11 installed in the connecting groove 25, thereby fixing the position between the clamping member 1 and the upper clamp 22. The fixing method of the lower clamp 21 is similar to that of the upper clamp 22, and is used to fix the position between another auxiliary clamping member 1 and the lower clamp 21.

[0039] One of the two auxiliary clamps 1, or the upper clamp 22, has a first plane 5 parallel to the first direction in the first working state, and the other of the two auxiliary clamps 1, or the lower clamp 21, has a second plane 6 opposite to the first plane 5 and parallel to each other, ensuring that the central portion of the material strip is pressed smoothly and tightly, so that the tension of the material strip at all compressed locations is consistent. Buffers 24 are provided on both the first plane 5 and the second plane 6. In this embodiment, preferably, buffers 24 are provided on the first plane 5 of the upper clamp 22 and the second plane 6 of the lower clamp 21. The buffers 24 can provide a certain buffering effect when the upper clamp 22 or the lower clamp 21 contacts and presses against the edge of the material strip, preventing collision or deformation or breakage of the edge of the material strip due to excessive pressure, thereby extending the service life of the equipment.

[0040] Preferably, the buffer member 24 is an elastic cushion. Since the elastic cushion has a certain elastic deformation ability, it can provide a good buffering effect and ensure the service life of the upper clip 22 and the lower clip 21.

[0041] Preferably, the auxiliary clamping member 1 can be shaped as a semicircular clamping block, which has a simple structure and is easy to disassemble, assemble and clean.

[0042] Example 2:

[0043] It includes the material tape threading structure described in Example 1. The flipping mechanism includes two flipping assemblies corresponding to the two movable clamping members 2, and each flipping assembly includes a moving member 4 and a flipping motor. The flipping motor is a prior art and its specific structure is not shown in the drawings of the specification. The moving member 4 is movably mounted on the mounting seat 23. One end of the moving member 4 is fixed to the clamp driving member, and the other end is connected to the flipping motor. The flipping motor drives the moving member 4 to rotate so that the clamp driving member drives the two movable clamping members 2 to flip from the first working state to the second working state synchronously. When the material tape breaks, the two auxiliary clamping members 1 and the two movable clamping members 2 are respectively clamped to the center and edge of the material tape, and then the flipping assembly drives the two movable clamping members 2 to flip from the first working state to the second working state, so that the clamped end of the material tape is bent downward relative to the subsequent part. This can further increase the tension of the material tape located behind the clamping part and ensure the reliability of the tape splicing. Then the conveying mechanism continues to drive the material belt to be transported in the second direction until it reaches a position convenient for the subsequent operation, and then the two flip assemblies are flipped in the opposite direction to return the two movable clamping members 2 to the first working state to complete the reset.

[0044] The clamping mechanism also includes a locking assembly connected to at least one end of the clamping mechanism along the first direction. The locking assembly includes a plurality of first locking members; the mounting base 23 includes a plurality of second locking members; when the movable clamping member 2 is flipped to the second working state, the plurality of second locking members cooperate with the plurality of first locking members to fix the position of the movable clamping member 2 and the mounting base 23. Specifically, the first locking member includes a bolt and a plurality of first locking holes 41 provided on the movable member 4. The second locking member can be a plurality of second locking holes 42 provided on the mounting base 23. The first locking holes 41 and the second locking holes 42 are of the same size and are designed to match the first locking member. When the movable clamping member 2 is flipped to the second working state, several second locking holes 42 are aligned with several first locking holes 41. At this time, the bolts of the first locking member can pass through the first locking hole 41 and the second locking hole 42 in sequence to fix the position of the movable clamping member 2 and the corresponding mounting seat 23 to prevent the movable clamping member 2 from continuing to rotate. It can be understood that the locking assembly is connected to at least one end of the clamping mechanism along the first direction, that is, the locking assembly can be connected to both ends of the clamping mechanism, so that the position can be locked on both movable clamping members 2. The locking method can be the same at both ends, or conventional methods such as snap-fit ​​or hinge can be used, which will not be repeated here.

[0045] The conveying mechanism includes a conveyor drive and two conveyor chains 3 arranged parallel to each other and at the same height along a first direction. The conveyor drive is connected to the two conveyor chains 3 and is capable of synchronously driving the two conveyor chains 3. Two movable clamping members 2 are mounted on the two conveyor chains 3 via mounting brackets 23. The conveyor drive synchronously drives the two conveyor chains 3 to transport the two movable clamping members 2 and two auxiliary clamping members 1 along a second direction. The conveyor drive can be a conventional conveyor motor, the specific structure of which is not shown in the accompanying drawings.

[0046] Example 3:

[0047] A material belt conveyor device includes the material belt threading structure described in Example 2. The material belt conveyor device is provided with a belt inlet and a belt outlet. The starting end of the conveying mechanism is located outside the belt inlet, and the terminal end of the conveying mechanism is located outside the belt outlet. It should be noted that the starting end of the conveying mechanism can be one end of the conveyor chain 3 in the second direction, and the terminal end of the conveyor mechanism can be the other end of the conveyor chain 3 in the second direction. The material belt conveyor device is used to drive the material belt in the second direction to convey the material belt from the belt inlet to the belt outlet. The material belt conveyor device can be used in an oven to achieve belt splicing operations without shutting down the oven.

[0048] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tape threading structure, characterized in that: It includes a clamping mechanism, a turning mechanism and a conveying mechanism; The clamping mechanism is extended along the first direction, and the clamping mechanism includes a clamping opening, and the clamping opening is used to clamp or release the material strip; The flipping mechanism is drivingly connected to the clamping mechanism, and is used to drive the clamping mechanism to flip from the first working state to the second working state; The conveying mechanism connects the two ends of the clamping mechanism along the first direction, driving the clamping mechanism to transport along the second direction; the first working state is the working state of the clamping mechanism when the clamping opening is facing the second direction, and the second working state is the working state of the clamping mechanism when the clamping opening is facing the third direction; the second direction is parallel to the conveying direction of the material belt, the first direction is parallel to the conveying plane of the material belt and perpendicular to the second direction, and the third direction is perpendicular to the conveying plane of the material belt.

2. The tape threading structure according to claim 1, characterized in that: The clamping mechanism comprises a clamping assembly, wherein the clamping assembly comprises two auxiliary clamping members (1) arranged opposite to each other along the third direction, the two auxiliary clamping members (1) are respectively extended along the first direction, and the clamping opening is formed between the two auxiliary clamping members.

3. The tape threading structure according to claim 2, characterized in that: The clamping assembly further comprises two movable clamping members (2); the two auxiliary clamping members (1) are detachably mounted on one movable clamping member (2) at the same end along the first direction; the two movable clamping members (2) are used to adjust the spacing of the clamping openings between the two auxiliary clamping members (1) so that the clamping openings can clamp or release the material strip.

4. The tape threading structure according to claim 3, characterized in that: The movable clamping member (2) comprises a lower clamp (21), an upper clamp (22), a mounting seat (23) and a clamp driving member; the lower clamp (21) and the upper clamp (22) are movably connected in the third direction, the clamp driving member is provided on the mounting seat (23), at least one of the lower clamp (21) and the upper clamp (22) is driven to connect to the clamp driving member, the mounting seat (23) is installed on the conveying mechanism, and the clamp driving member is used to drive one of the lower clamp (21) and the upper clamp (22) to move relative to the other along the third direction to change the clamping opening spacing of the two auxiliary clamping members (1).

5. The tape threading structure according to claim 4, characterized in that: Each of the auxiliary clamping members (1) is provided with connecting lugs (11) at both ends; the upper clamp (22) and the lower clamp (21) are respectively provided with connecting grooves matching the connecting lugs (11) of the auxiliary clamping member (1); the auxiliary clamping member (1) is installed between the two upper clamps (22) or the two lower clamps (21) by connecting the connecting lugs (11) at both ends to the connecting grooves.

6. The tape threading structure according to claim 4, characterized in that: One of the two auxiliary clamping members (1) or the upper clamp (22) has a first plane parallel to a first direction in a first working state; the other of the two auxiliary clamping members (1) or the lower clamp (21) has a second plane arranged opposite to the first plane and parallel to each other; and buffer members (24) are provided on both the first plane and the second plane.

7. The tape threading structure according to claim 4, characterized in that: The flip mechanism includes a flip assembly corresponding to the two movable clamping members (2); the flip assembly includes a moving member (4) and a flip motor, the flip motor is drivingly connected to the moving member (4) to drive the moving member (4) to rotate; the moving member (4) is movably mounted on the mounting seat (23), and one end of the moving member (4) is fixedly connected to the clamp driving member; The flipping motor drives the moving part (4) to rotate, so that the clamp driving part drives the two movable clamping parts (2) to flip synchronously from the first working state to the second working state.

8. The tape threading structure according to claim 4, characterized in that: The clamping mechanism includes a locking assembly, which is connected to at least one end of the clamping mechanism along the first direction, and the locking assembly includes a plurality of first locking members; the mounting seat (23) includes a plurality of second locking members; when the movable clamping member (2) is flipped to the second working state, the plurality of second locking members cooperate with the plurality of first locking members to fix the positions of the two movable clamping members (2) and the mounting seat (23).

9. The tape threading structure according to claim 4, characterized in that: The conveying mechanism comprises a conveying drive and two conveying chains (3) arranged in parallel along the first direction and at the same height, the conveying drive drivingly connects the conveying chains (3); the two movable clamping members (2) are arranged on the two conveying chains (3) through the mounting seat (23); the conveying drive synchronously drives the two conveying chains (3) to drive the two movable clamping members (2) and the two auxiliary clamping members (1) to be transported along the second direction.

10. A material belt conveying device, characterized in that: It includes the material belt threading structure described in any one of claims 1 to 9; the material belt conveying equipment is provided with a belt inlet and a belt outlet; the starting end of the conveying mechanism is located outside the belt inlet; the terminal end of the conveying mechanism is located outside the belt outlet; the material belt conveying equipment is used to drive the material belt to move along the second direction to convey the material belt from the belt inlet to the belt outlet.

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