An anti-fall automatic reset block device and battery manufacturing equipment

Abstract

The present invention discloses an anti-drop automatic reset block device and battery manufacturing equipment. The anti-drop automatic reset block device is used to limit movable items, including: a block, the block includes a driving part and a blocking part, the block rotates when the driving part is pushed, the blocking part rotates to a first predetermined position without blocking the movement of the item, and the blocking part automatically rotates to a second predetermined position to block the movement of the item when the driving part is not pushed; a shaft is used to support the block, and the block rotates around the shaft; a fixing part is used to install the block and the shaft. By designing the block to rotate when pushed and automatically reset when not pushed, it is used to limit items such as die holders or coils, which not only realizes the storage control of items, but also avoids misoperation during manual operation, effectively reduces the safety risk of operation, and effectively guarantees the personal safety of operators.

Description

Technical Field

[0001] The present invention relates to the field of lithium battery production and manufacturing auxiliary equipment, and in particular to an anti-falling automatic reset block device for limiting movable objects, and also to a battery manufacturing equipment for manufacturing lithium batteries. Background Art

[0002] As a type of chemical battery, lithium-ion batteries have the advantages of small size, high energy density, high power density, many cycles and long storage time. They have been widely used in some electronic devices, electric vehicles, electric toys and electric equipment. For example, lithium-ion batteries are currently widely used in mobile phones, laptops, electric vehicles, electric airplanes, electric ships, electric toy cars, electric toy ships, electric toy airplanes and electric tools, etc.

[0003] In lithium battery manufacturing equipment, in order to improve production efficiency, the lithium battery cell will adopt a one-out-to-many design before winding, that is, the coated substrate is striped (cut) according to the target size of the cell. Usually, the coating production is output as 1 out of 4, 1 out of 6, and 1 out of 8. The coated material needs to go through cold pressing, pre-slitting, laser die-cutting, and striping processes. In short, between coating and winding, it will go through at least 1 striping (cutting), usually 2 to 3 times.

[0004] The die cutter frame required for striping (cutting) is indispensable in the current production process. The die cutter frame itself needs protection when installed on the equipment, and the die cutter frame also needs protection during transportation. In the existing solution, the die cutter frame is protected by only a cylindrical pin, which needs to be inserted manually to play a protective role. There are several hidden dangers in manual insertion and removal: 1. Manual insertion and removal will lead to forgetting the operation; 2. Manual operation has the risk of pinching fingers; 3. Forgetting protection will cause the die cutter frame to slide out as a whole, causing damage to the die cutter frame, and the die cutter frame will injure people, causing major safety accidents.

[0005] In addition, most of the materials used in the lithium battery production process are coils, which are usually placed on single-pole shelves. Due to the large number of coils, heavy weight, and frequent transfers, there is a risk of the coils slipping out during the operation and material placement, causing material loss and personal injury. Summary of the invention

[0006] The present invention provides an anti-falling automatic resetting stopper device, which is used to limit objects so that they cannot move at will and prevent the objects from falling from a placement position.

[0007] The present invention also provides a battery manufacturing device, comprising the above-mentioned anti-falling automatic reset block device.

[0008] In one aspect, the present invention provides an anti-falling automatic reset block device, comprising:

[0009] The stopper includes a driving part and a blocking part. When the driving part is pushed, the stopper rotates, and the blocking part rotates to a first predetermined position to stop the movement of the object. When the driving part is not pushed, the blocking part automatically rotates to a second predetermined position to stop the movement of the object.

[0010] A shaft, used to support the stopper, the stopper rotates around the shaft;

[0011] The fixing part is used for installing the stopper and the shaft.

[0012] By designing the stopper to rotate when pushed and automatically reset when not pushed, it is used to limit items such as die holders or coils. This not only achieves item storage control, but also avoids misoperation during manual operation, effectively reduces operational safety risks, and effectively protects the personal safety of operators.

[0013] In some embodiments, the center of gravity of the stopper is located on the driving part, and the blocking part automatically rotates to the second predetermined position under the action of gravity when the driving part is not pushed.

[0014] The stopper is reset by gravity, the working principle is simple, the device structure is easy to design, and malfunctions are not likely to occur.

[0015] In some embodiments, an elastic device is disposed in the fixing portion, and the top end of the elastic device abuts against the blocking portion. When the driving portion is not pushed, the blocking portion automatically rotates to a second predetermined position under the elastic force of the elastic device.

[0016] The stopper is reset by an elastic device, which can improve the speed of the stopper reset, has reliable performance, and ensures accurate reset of the stopper.

[0017] In some embodiments, the surface of the driving portion that cooperates with the external pushing device is an arc-shaped surface.

[0018] By providing the arc surface, the arc surface contacts with the pushing device, so that the stopper can be rotated while the stopper is pushed.

[0019] In some embodiments, when the object moves, the surface of the blocking portion that contacts the object is an arc-shaped surface, and when the object stops, the surface of the blocking portion that blocks the movement of the object is a flat surface.

[0020] By setting the surface of the blocking part that contacts the object as an arc surface, the blocking part will not hinder the movement of the object when the object slides over the blocking part; by setting the surface of the blocking part that blocks the movement of the object as a flat surface, reliable blocking can be ensured and the object cannot fall over the blocking part.

[0021] In some embodiments, the rotation angle of the stopper is not less than 30 degrees.

[0022] By increasing the rotation angle of the stopper, the height of the blocking portion can be changed greatly, and the two states of releasing objects and blocking objects can be effectively switched.

[0023] In some embodiments, the driving portion and the blocking portion are integrally formed, and the blocking block is a V-shaped plate or an inverted L-shaped plate.

[0024] The stopper is formed by integrating the driving part and the blocking part, and a V-shape or an inverted L-shape is formed between the two, which facilitates the manufacture of the stopper and reduces the manufacturing cost.

[0025] In some embodiments, a gap is provided at the end of the fixing portion, the stopper is provided in the gap, the blocking portion is hidden in the gap when the blocking portion rotates to a first predetermined position, and the gap is exposed when the blocking portion rotates to a second predetermined position.

[0026] By providing a gap to form an activity space for the block, no major changes will be made to the structure of the existing equipment, the structural strength of the existing equipment will not be affected, and the original performance of the existing equipment will not be changed.

[0027] In some embodiments, a step is provided in the gap corresponding to the driving portion, and a blocking surface is provided on the driving portion corresponding to the step, and the stopper stops rotating when the blocking surface abuts against the step.

[0028] By setting a limiting structure for the stopper, the rotation angle of the stopper is limited, thereby improving the stability of the stopper during rotation.

[0029] In some embodiments, the fixing portion further includes a fixing seat, and a fixing seat is detachably fixed on each side of the gap, and the shaft is installed in the fixing seat.

[0030] By using a fixed seat to install the stopper and the shaft, it is convenient to transform the existing equipment without complicated improvements on the existing equipment, thereby speeding up the transformation speed, reducing the transformation cost, and facilitating promotion and use.

[0031] In some embodiments, the fixing portion further comprises a shelf rod or a knife die fixing bracket, and the gap is arranged at the end of the shelf rod or the knife die fixing bracket.

[0032] The anti-drop automatic reset stop block device has a wide range of applications and can be installed on a variety of equipment. When installed on a shelf rod, it is used to limit the coil; when installed on a knife die fixing bracket, it is used to limit the knife die frame.

[0033] Another aspect of the present invention provides a battery manufacturing device, comprising the above-mentioned anti-falling automatic reset stop block device.

[0034] By providing an anti-falling automatic reset block device, the safety performance of the battery manufacturing equipment is improved and the value of the battery manufacturing equipment is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0036] Figure 1 It is a schematic diagram of the structure of the anti-falling automatic resetting stopper device in an embodiment of the present invention;

[0037] Figure 2 Schematic diagram of the working state of the anti-falling automatic reset block device in the embodiment of the present invention;

[0038] Figure 3 Schematic diagram of the installation structure of the anti-falling automatic reset stopper device in the embodiment of the present invention;

[0039] Figure 4 Schematic diagram of the installation structure of the anti-falling automatic reset stopper device in the embodiment of the present invention;

[0040] Figure 5 It is a schematic diagram of the structure of the anti-falling automatic resetting stopper device in an embodiment of the present invention;

[0041] Figure 6 Schematic diagram of the working state of the anti-falling automatic reset block device in the embodiment of the present invention;

[0042] Figure 7 Schematic diagram of the installation structure of the anti-falling automatic reset stopper device in the embodiment of the present invention;

[0043] Figure 8 Schematic diagram of the installation structure of the anti-falling automatic reset stopper device in the embodiment of the present invention;

[0044] Fig. 9 It is a structural schematic diagram of a fixing base in an embodiment of the present invention;

[0045] Fig.10 It is a structural schematic diagram of a fixing base in an embodiment of the present invention;

[0046] Fig.11 Schematic diagram of the installation structure of the anti-fall automatic reset stop block device in an embodiment of the present invention.

[0047] Explanation of the reference numerals: 1. block; 101. driving part; 102. blocking part; 103. axial hole; 104. blocking surface; 105. pushing surface; 2. block; 201. driving part; 202. blocking part; 203. axial hole; 204. blocking surface; 205. pushing surface; 3. shelf rod; 4. fixing seat; 401. main body; 402. fixing hole; 403. axial hole; 5. spring; 6. die holder; 7. die fixing bracket; 8. automatic resetting block device to prevent falling. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings showing multiple embodiments of the present invention. It should be understood that the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments recorded in the present invention, all other embodiments obtained by ordinary technicians in this field without spending creative labor will fall within the scope of protection of the present invention.

[0049] Unless otherwise defined, all technical and scientific terms used in the present invention have the same meaning as those generally understood by technicians in the technical field of the present invention; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the terms "including", "comprising", "having", "having", "containing", "including" and the like in the specification and claims of the present invention and the above-mentioned drawings are open-ended words. Therefore, "including", "comprising", "having" is a method or device of one or more steps or elements, for example, which has one or more steps or elements, but is not limited to having only these one or more elements. The terms "first", "second", etc. in the specification and claims of the present invention or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order or a primary and secondary relationship. In addition, the terms "first" and "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, the meaning of "multiple" is two or more.

[0050] In the description of the present invention, it is to be understood that the terms “center”, “lateral”, “length”, “width”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships are based on the orientations 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 should not be understood as a limitation on the present invention.

[0051] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "attached" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] Reference to "embodiments" in the present invention means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present invention may be combined with other embodiments.

[0053] As mentioned above, it should be emphasized that when the term "includes / comprising" is used in this specification, it is used to explicitly indicate the existence of the features, integers, steps or components, but does not exclude the existence or addition of one or more other features, integers, steps, components or groups of features, integers, steps, components. As used in the present invention, the singular forms "a", "an" and "the" also include plural forms, unless the context clearly indicates otherwise.

[0054] The words "a" and "an" in this specification may mean one, but may also have the same meaning as "at least one" or "one or more". The term "or" used in the claims means "and / or" unless it is clearly stated that it refers to only alternative solutions.

[0055] The term "and / or" in the present invention is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in the present invention generally indicates that the associated objects before and after are in an "or" relationship.

[0056] like Figure 1 , Figure 2 As shown, an anti-falling automatic reset block device provided by an embodiment of the present invention includes:

[0057] The block 1 includes a driving part 101 and a blocking part 102. When the driving part 101 is pushed, the block 1 rotates, and the blocking part 102 rotates to a first predetermined position to stop the movement of the object. When the driving part 101 is not pushed, the blocking part 102 automatically rotates to a second predetermined position to stop the movement of the object.

[0058] A shaft, used for supporting the stopper 1, the stopper 1 rotates around the shaft;

[0059] The fixing part is used for installing the stopper 1 and the shaft.

[0060] exist Figure 1 , Figure 2 The middle shaft is not shown, and the stopper 1 is provided with an axial hole 103 , into which the shaft is inserted to support the stopper 1 for rotation. Figure 2 The figure shows the height change H of the blocking portion 102 from the second predetermined position to the first predetermined position, and also shows the horizontal distance change L of the top point of the upper portion of the push surface 105, L<H, that is, a larger height change can be obtained through a smaller horizontal distance change, thereby improving the blocking function of the blocking portion 102.

[0061] like Figure 3 As shown, the blocking portion 102 of the block 1 is in the second predetermined position, and when the driving portion 101 is pushed, the block 1 rotates clockwise. Figure 4 As shown, the blocking portion 102 of the block 1 is in the first predetermined position. When the driving portion 101 is not pushed, the block 1 rotates counterclockwise, and the blocking portion 102 returns to the second predetermined position.

[0062] By designing the stopper 1 to be able to rotate when pushed and automatically reset when not pushed, it is used to limit items such as die holders or coils, which not only realizes the storage control of items, but also avoids misoperation during manual operation, effectively reduces the safety risks of operations, and effectively ensures the personal safety of operators.

[0063] like Figure 1 , Figure 2 , Figure 3 , Figure 4 In the illustrated embodiment, the center of gravity of the stopper 1 is located on the driving part 101 , and the blocking part 102 automatically rotates to the second predetermined position under the action of gravity when the driving part 101 is not pushed.

[0064] The stopper 1 is reset by gravity, the working principle is simple, the device structure is easy to design, and failure is not likely to occur.

[0065] like Figure 1 , Figure 2 , Figure 3 , Figure 4 In the illustrated embodiment, the driving portion 101 and the blocking portion 102 are configured in such a manner that the blocking block 1 is a V-shaped plate.

[0066] like Figure 5 , Figure 6 , Figure 7 , Figure 8 In the illustrated embodiment, the structure of the block 2 is different from that of the block 1. The block 2 still includes a driving portion 201 and a blocking portion 202. When the driving portion 201 is pushed, the block 2 rotates, and the blocking portion 202 rotates to a first predetermined position so as not to block the movement of the object. When the driving portion 201 is not pushed, the blocking portion 202 automatically rotates to a second predetermined position so as to block the movement of the object.

[0067] The driving part 201 and the blocking part 202 are formed in such a way that the stopper 2 is an inverted L-shaped plate.

[0068] like Figure 5 , Figure 6 , Figure 7 , Figure 8 In the illustrated embodiment, an elastic device is provided in the fixing portion, specifically a spring 5, and the top end of the elastic device abuts against the blocking portion 102. When the driving portion 101 is not pushed, the blocking portion 102 automatically rotates to the second predetermined position under the elastic force of the elastic device.

[0069] The stopper 2 is reset by the elastic device, which can improve the reset speed of the stopper 2, has reliable performance, and ensures that the stopper 2 is accurately reset.

[0070] In some embodiments, the surfaces where the driving parts 101 and 201 cooperate with the external pushing device are arc-shaped surfaces.

[0071] By providing the arc surface, the arc surface contacts with the pushing device, so that the stopper 1 and the stopper 2 can be pushed, and the stopper 1 and the stopper 2 can also rotate.

[0072] In some embodiments, when the object is moving, the surface of the blocking part 102 or 202 that contacts the object is an arc surface, and when the object is stopped, the surface of the blocking part 102 or 202 that blocks the movement of the object is a flat surface.

[0073] By setting the surfaces of the blocking parts 102 and 202 that contact the articles as arc-shaped surfaces, when the articles slide over the blocking parts 102 and 202, the blocking parts 102 and 202 will not hinder the movement of the articles; by setting the surfaces of the blocking parts 102 and 202 that block the movement of the articles as flat surfaces, reliable blocking can be ensured and the articles cannot fall over the blocking parts 102 and 202.

[0074] In some embodiments, the rotation angle of the stopper 1 is not less than 30 degrees. Figure 2 Similarly, the rotation angle of the stopper 2 is not less than 30 degrees.

[0075] By increasing the rotation angle of the stopper 1 and the stopper 2, the height of the blocking portion 102 and the blocking portion 202 can be changed greatly, so that the two states of releasing objects and blocking objects can be effectively switched.

[0076] In some embodiments, the driving part 101 and the blocking part 102 are made in one piece, and the blocking block 1 is a V-shaped plate. Figure 1 , Figure 2 As shown, the driving part 201 and the blocking part 202 are made in one piece, and the blocking block 2 or an inverted L-shaped plate, such as Figure 5 , Figure 6 shown.

[0077] By integrally forming the driving part 101 and the blocking part 102 to form the block 1, a V shape is formed between the two, or by integrally forming the driving part 201 and the blocking part 202 to form the block 2, an inverted L shape is formed between the two, it is convenient to manufacture the block 1 and the block 2 and reduce the manufacturing cost.

[0078] In some embodiments, a gap is provided at the end of the fixing portion, and the stopper 1 is provided in the gap. When the blocking portion 102 rotates to the first predetermined position, the stopper 1 is hidden in the gap, and when the blocking portion 102 rotates to the second predetermined position, the stopper 2 is exposed. Similarly, the stopper 2 is provided in the gap. When the blocking portion 202 rotates to the first predetermined position, the stopper 2 is hidden in the gap, and when the blocking portion 202 rotates to the second predetermined position, the stopper 2 is exposed.

[0079] The gap is provided to form the movable space of the stoppers 1 and 2, which will not cause a major change to the structure of the existing equipment, will not affect the structural strength of the existing equipment, and ensure that the original performance of the existing equipment does not change.

[0080] In some embodiments, a step is provided in the gap corresponding to the driving part 101, and a blocking surface 104 is provided in the driving part 101 corresponding to the step, and the stopper 1 stops rotating when the blocking surface 104 abuts against the step. Figure 1 , Figure 3 As shown, when the stopper 1 rotates counterclockwise, the blocking surface 104 and the step can interact.

[0081] Similarly, a step is provided in the gap corresponding to the driving part 201, and a blocking surface is provided in the driving part 201 corresponding to the step, and the stopper 2 stops rotating when the blocking surface 204 abuts against the step. Figure 5 , Figure 7 As shown, when the stopper 2 rotates counterclockwise, the blocking surface 204 and the step can interact.

[0082] By providing a limiting structure for the stopper 1 and the stopper 2, the rotation angle of the stopper 1 and the stopper 2 is limited, thereby improving the stability of the stopper 1 and the stopper 2 during the rotation process.

[0083] To install stopper 1, stopper 2 and shaft, as shown in Figure 3 , Figure 4 , Figure 8 As shown, it is necessary to set an axial hole (the axial hole is not shown) on the shelf rod 3, the axial direction of the axial hole is perpendicular to the above-mentioned gap, and the above-mentioned shaft is installed in the axial hole to support the rotation of the stopper 1 and the stopper 2.

[0084] In some embodiments, Figure 7 As shown, the fixing portion further includes a fixing seat 4, and a fixing seat 4 is detachably fixed on each side of the gap, and the shaft is installed in the fixing seat 4.

[0085] like Fig. 9 , Fig.10 As shown, the fixing seat 4 includes a body 401, and the body 401 is provided with a fixing hole 402, which is a stepped hole, and the fixing seat 4 can be fixed on both sides of the gap by inserting bolts into the fixing hole 402. The body 401 is also provided with an axis hole 403, and the above-mentioned axis is installed in the axis hole 403.

[0086] By using the fixing seat 4 to install the block 1, the block 2 and the shaft, it is convenient to transform the existing equipment without complicated improvements on the existing equipment, thereby speeding up the transformation speed, reducing the transformation cost, and facilitating promotion and use.

[0087] In some embodiments, the fixing portion further comprises a shelf rod 3 or a knife die fixing bracket 7 , and the gap is arranged at the end of the shelf rod 3 or the knife die fixing bracket 7 .

[0088] The anti-fall automatic reset block device has a wide range of applications and can be installed on a variety of equipment for use. It is installed on the shelf rod 3 and is used to limit the coil, such as Figure 3 , Figure 4 , Figure 7 , Figure 8 When installed on the die-cutting fixed bracket 7, it is used to limit the die-cutting frame 6, such as Fig.11 shown.

[0089] Another embodiment of the present invention provides a battery manufacturing device, comprising the above anti-falling automatic reset block device 8. The battery manufacturing device is used to manufacture lithium batteries.

[0090] By providing the anti-falling automatic reset block device 8, the safety performance of the battery manufacturing equipment is improved and the value of the battery manufacturing equipment is increased.

[0091] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An anti-fall automatic reset block device, characterized in that: include: The stopper includes a driving part and a blocking part. When the driving part is pushed, the stopper rotates, and the blocking part rotates to a first predetermined position to stop the movement of the object. When the driving part is not pushed, the blocking part automatically rotates to a second predetermined position to stop the movement of the object. The stopper is a V-shaped plate or an inverted L-shaped plate. A shaft, used to support the stopper, the stopper rotates around the shaft; A fixing part, used for installing the stopper and the shaft; a gap is provided at the end of the fixing part, the stopper is provided in the gap, the blocking part is hidden in the gap when the blocking part rotates to a first predetermined position, and the gap is exposed when the blocking part rotates to a second predetermined position; The height change of the blocking portion during the rotation from the second predetermined position to the first predetermined position is H, the horizontal distance change of the top point of the upper part of the pushing surface of the driving portion is L, and L<H.

2. The anti-fall automatic reset block device according to claim 1, characterized in that: The center of gravity of the stopper is located on the driving part, and the blocking part automatically rotates to the second predetermined position under the action of gravity when the driving part is not pushed.

3. The anti-falling automatic reset block device according to claim 1, characterized in that: An elastic device is arranged in the fixing part, and the top end of the elastic device abuts against the blocking part. When the driving part is not pushed, the blocking part automatically rotates to the second predetermined position under the elastic force of the elastic device.

4. The anti-falling automatic reset block device according to any one of claims 1 to 3, characterized in that: The surface where the driving part cooperates with the external pushing device is an arc surface.

5. The anti-falling automatic reset block device according to any one of claims 1 to 3, characterized in that: When the object moves, the surface of the blocking portion that contacts the object is an arc surface, and when the object stops, the surface of the blocking portion that blocks the movement of the object is a plane.

6. The anti-falling automatic reset block device according to any one of claims 1 to 3, characterized in that: The rotation angle of the stopper is not less than 30 degrees.

7. The anti-falling automatic reset block device according to any one of claims 1 to 3, characterized in that: The driving part and the blocking part are made in one piece.

8. The anti-falling automatic reset stopper device according to claim 1, characterized in that: A step is provided in the gap corresponding to the driving part, and a blocking surface is provided in the driving part corresponding to the step. The stopper stops rotating when the blocking surface abuts against the step.

9. The anti-falling automatic reset stopper device according to claim 1, characterized in that: The fixing part also includes a fixing seat, and a fixing seat is detachably fixed on both sides of the gap, and the shaft is installed in the fixing seat.

10. The anti-falling automatic reset stopper device according to claim 1, 8 or 9, characterized in that: The fixing portion further comprises a shelf rod or a knife die fixing bracket, and the slit is arranged at the end of the shelf rod or the knife die fixing bracket.

11. A battery manufacturing device, characterized in that: The invention comprises the anti-falling automatic resetting stop block device as described in any one of claims 1 to 10.

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