Winding drum fixing structure and transfer device thereof

Abstract

The utility model provides a winding drum fixing structure and a transfer device thereof, the winding drum fixing structure comprises a material shaft, a mounting seat and a clamping assembly, the material shaft is used for mounting a winding drum; the mounting seat is connected with the material shaft; the clamping assembly is fixed to the mounting base and used for being connected with a winding drum on the material shaft in a limiting mode so as to prevent the winding drum from rotating relative to the material shaft. The winding drum fixing structure comprises the material shaft, the mounting base and the clamping assembly, the mounting base is fixedly connected with the material shaft, after the clamping assembly is fixed to the mounting base, the clamping assembly is fixed relative to the material shaft, and when a winding drum is mounted on the material shaft, the clamping assembly can be connected with the winding drum on the material shaft in a limiting mode; the clamping assembly and the winding drum are kept moving or rotating synchronously, so that the winding drum is fixed relative to the material shaft, and the technical problem that the winding drum is damaged due to collision or the coiled pole pieces are loosened due to the fact that the winding drum is prone to rotating around the material shaft in the transportation process is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium ion battery production and processing equipment technical field, concretely relates to a winding drum fixed structure and its transfer device. BACKGROUND

[0002] In the related art, the lithium battery has high energy ratio, high storage energy density and long service life, and is widely used in smart phones, notebook computers and other digital products due to its excellent performance, and is also increasingly widely used in electric vehicles and electric cars. The battery pole piece is a core part of the lithium battery, and the pole piece needs to be wound on a winding drum during transportation, and then the winding drum with the pole piece is placed on the material shaft of the transport vehicle for transportation, so as to facilitate the next processing or use.

[0003] However, the material shaft for fixing the winding drum currently lacks measures to prevent the winding drum from rotating, and the winding drum is prone to rotating around the material shaft during transportation, especially during long-distance transportation, which causes the winding drum to collide and be damaged or the wound pole piece to loosen, thereby affecting the normal use of the winding drum or the pole piece. SUMMARY

[0004] The embodiment of the utility model provides a winding drum fixed structure and its transfer device, which can solve the technical problem that the winding drum is prone to rotating around the material shaft during transportation, causing the winding drum to collide and be damaged or the wound pole piece to loosen, and affecting the normal use of the winding drum or the pole piece.

[0005] In a first aspect, the embodiment of the utility model provides a winding drum fixed structure, which comprises a material shaft, a mounting seat and a clamping assembly, the material shaft is used for mounting a winding drum; the mounting seat is connected with the material shaft; the clamping assembly is fixed to the mounting seat, and the clamping assembly is used for limiting connection with the winding drum on the material shaft to prevent the winding drum from rotating relative to the material shaft.

[0006] In an embodiment, the clamping assembly comprises:

[0007] A first clamping piece, the first clamping piece is fixed to the mounting seat;

[0008] A second clamping piece, the second clamping piece is fixed to the first clamping piece or the mounting seat, and an insertion gap is formed between the first clamping piece and the second clamping piece;

[0009] The first clamping piece and the second clamping piece can clamp the winding drum in the insertion gap.

[0010] In an embodiment, the first clamping piece has a first clamping surface for contacting the winding drum, the second clamping piece has a second clamping surface for contacting the winding drum, and the area of the first clamping surface and / or the second clamping surface is 35cm2 up to 80 cm 2 between.

[0011] In an embodiment, the second clamping member is capable of being fixedly installed at different positions of the first clamping member or the mounting seat to adjust the width of the insertion gap.

[0012] In an embodiment, the first clamping member comprises a first connecting portion fixed to the mounting seat, and the first connecting portion is provided with an adjusting hole;

[0013] The second clamping member comprises a second connecting portion, and the second connecting portion is provided with a threaded hole relative to the adjusting hole;

[0014] The winding drum fixing structure further comprises a first fastener capable of passing through the adjusting hole and the threaded hole and fixing the first connecting portion and the second connecting portion together.

[0015] In an embodiment, the mounting seat is at least partially sleeved on the outer periphery of the material shaft, and the mounting seat comprises a connecting wall surrounding the material shaft, the connecting wall is formed with an installation space accommodating at least part of the material shaft, and the connecting wall is provided with a first mounting hole in communication with the installation space;

[0016] The material shaft is provided with a second mounting hole corresponding to the first mounting hole;

[0017] The winding drum fixing structure further comprises a second fastener capable of passing through the first mounting hole and the second mounting hole and fixing the connecting wall and the material shaft in the installation space together.

[0018] In an embodiment, the connecting wall is further provided with a third mounting hole in communication with the installation space;

[0019] The winding drum fixing structure further comprises a top support member, one end of the top support member is fixedly connected with the connecting wall, and the other end of the top support member is fixedly connected with the material shaft after passing through the third mounting hole.

[0020] In an embodiment, the mounting seat is provided with a first positioning portion;

[0021] The material shaft is provided with a second positioning portion matched with the first positioning portion;

[0022] One of the first positioning portion and the second positioning portion is a groove, and the other is a protrusion, and the protrusion is arranged in the groove.

[0023] In an embodiment, the material shaft further comprises a blocking portion arranged on a side of the material shaft away from the mounting base, the blocking portion and the mounting base are used for abutting with two ends of the winding drum respectively when the winding drum is installed on the material shaft.

[0024] In a second aspect, the embodiment of the utility model provides a transfer device, including winding drum fixing structure as described above.

[0025] The embodiment of the utility model has the advantages of:

[0026] The winding drum fixing structure in the embodiment of the utility model comprises a material shaft, a mounting base and a clamping assembly, the mounting base is fixedly connected with the material shaft, after the clamping assembly is fixed on the mounting base, the clamping assembly is fixedly immovable relative to the material shaft, when the winding drum is installed on the material shaft, the clamping assembly can be limitingly connected with the winding drum on the material shaft, so that synchronous movement or rotation between the clamping assembly and the winding drum is kept, and then the winding drum is also fixedly immovable relative to the material shaft, so that the technical problem that the winding drum is easy to rotate around the material shaft in the transportation process, causes the winding drum to collide and be damaged or the wound pole piece to be loose, and the normal use of the winding drum or the pole piece is affected is solved. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0028] Figure 1 It is a perspective view of the winding drum in the prior art;

[0029] Figure 2 It is a perspective view of the winding drum fixing structure provided by the embodiment of the utility model;

[0030] Figure 3 It is an exploded view of the winding drum fixing structure provided by the embodiment of the utility model;

[0031] Figure 4 It is an exploded view of part of the winding drum fixing structure provided by the embodiment of the utility model;

[0032] Figure 5 It is a perspective view of the material shaft provided by the embodiment of the utility model;

[0033] Figure 6 It is a perspective view of the mounting base and the clamping assembly provided by the embodiment of the utility model.

[0034] Reference signs:

[0035] 100, reel fixing structure; 1, material shaft; 11, second mounting hole; 12, second positioning portion; 13, blocking portion; 14, first shaft body; 15, second shaft body; 2, mounting seat; 21, connecting wall; 211, first mounting hole; 212, third mounting hole; 22, first positioning portion; 3, clamping assembly; 31, first clamping piece; 311, first connecting portion; 3111, adjusting hole; 312, first clamping portion; 32, second clamping piece; 321, second connecting portion; 3211, screw hole; 322, second clamping portion; 33, insertion gap; 4, first fastener; 5, second fastener; 6, top support piece; 7, reel; 71, inner cylinder body; 72, outer cylinder body; 73, support plate. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. In addition, it should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, the orientation words such as "upper" and "lower" generally refer to the upper and lower of the device in the actual use or working state, and specifically refer to the direction of the drawing in the drawings. And "inner" and "outer" refer to the outline of the device.

[0037] Please refer to Figure 1 and Figure 2 The reel fixing structure 100 of the present application includes a material shaft 1, which is used to install a reel 7. Specifically, in the related art, the reel 7 generally includes an inner cylinder body 71 and an outer cylinder body 72 arranged at intervals, the outer cylinder body 72 is arranged around the outer periphery of the inner cylinder body 71, and the inner cylinder body 71 and the outer cylinder body 72 are connected through a support plate 73. In order to improve the stability of the reel structure, the number of support plates 73 is generally two or more, and the plurality of support plates 73 are distributed at intervals between the inner cylinder body 71 and the outer cylinder body 72. The pole piece roll is generally wound on the outer wall surface of the outer cylinder body 72. The inner cylinder body 71 is provided with a mounting cavity for the material shaft 1 to pass through, and the reel 7 is sleeved on the material shaft 1 through the mounting cavity.

[0038] Key, in this application, the reel fixing structure 100 also includes a mounting seat 2 and a clamping assembly 3, the mounting seat 2 is connected with the material shaft 1, the clamping assembly 3 is fixed on the mounting seat 2, and the clamping assembly 3 is used for limiting connection with the reel 7 on the material shaft 1, so as to prevent the reel 7 from rotating relative to the material shaft 1. Specifically, the mounting seat 2 is fixedly connected with the material shaft 1, after the clamping assembly 3 is fixed on the mounting seat 2, the clamping assembly 3 is fixed and cannot move relative to the material shaft 1, when the reel 7 is installed on the material shaft 1, the clamping assembly 3 can be limitedly connected with the reel 7 on the material shaft 1, so that the clamping assembly 3 and the reel 7 keep synchronous rotation, and then the reel 7 also cannot move relative to the material shaft 1, which can effectively prevent the reel 7 from rotating around the material shaft 1 due to vibration or bumping during transportation, and reduce the phenomenon that the reel 7 is damaged or the pole piece roll is loosened.

[0039] In the embodiment, the connection mode between the mounting seat 2 and the material shaft 1 is not limited, and the mounting seat 2 and the material shaft 1 can be connected and fixed by welding, riveting, screw connection, buckle connection and the like. The connection mode between the clamping assembly 3 and the mounting seat 2 is also not limited, and the clamping assembly 3 and the mounting seat 2 can be connected and fixed by welding, riveting, screw connection, buckle connection and the like; the number of clamping assemblies 3 is also not limited, and the clamping assembly 3 can be one or more; preferably, the number of clamping assemblies 3 is two or more, which can increase the connection stability between the clamping assembly 3 and the reel 7.

[0040] In the embodiment, the limiting connection mode between the clamping assembly 3 and the reel 7 is not limited, for example, the clamping assembly 3 can limit the connection with the reel 7 by clamping the supporting plate 73 through a clamping mechanism; or the clamping assembly 3 is provided with a buckle, the reel 7 is provided with a clamping groove corresponding to the buckle, and the clamping assembly 3 limits the reel 7 by the buckle connection mode to prevent the reel 7 from rotating relative to the material shaft 1; or the clamping assembly 3 is provided with a screw, the reel 7 is provided with a threaded hole corresponding to the screw, and the clamping assembly 3 limits the reel 7 by the screw connection mode to prevent the reel 7 from rotating relative to the material shaft 1.

[0041] In an embodiment, please refer to Figure 4 and Figure 6 The clamping assembly 3 includes a first clamping piece 31 and a second clamping piece 32, wherein the first clamping piece 31 can be fixed on the mounting seat 2 by welding, riveting, screw connection, buckle connection and the like; the second clamping piece 32 can be fixed on the first clamping piece 31 or the mounting seat 2 by welding, riveting, screw connection, buckle connection and the like; the shapes of the first clamping piece 31 and the second clamping piece 32 are not limited, and the first clamping piece 31 and the second clamping piece 32 can be cuboids, cylinders or special-shaped structures.

[0042] In the present embodiment, the connection positions between the first and second clamping members 31, 32 and the reel 7 are not limited, and an insertion gap 33 is formed between the first and second clamping members 31, 32. When the reel 7 is fitted on the spool 1, the first and second clamping members 31, 32 can extend into the space between the outer cylinder 72 and the inner cylinder 71 of the reel 7, and the support plate 73 of the reel 7 is located in the insertion gap 33 between the first and second clamping members 31, 32. The first and second clamping members can clamp the support plate 73 in the insertion gap 33 to prevent the reel 7 from rotating relative to the spool 1.

[0043] Alternatively, when the reel 7 is fitted on the spool 1, at least part of the inner cylinder 71 of the reel 7 is located in the insertion gap 33 between the first and second clamping members 31, 32, and the first and second clamping members 31, 32 can clamp the inner cylinder 71 in the insertion gap 33 to prevent the reel 7 from rotating relative to the spool 1.

[0044] In an embodiment, the first clamping member 31 has a first clamping surface for contacting the reel 7, and the second clamping member 32 has a second clamping surface for contacting the reel 7. The area of the first clamping surface and / or the area of the second clamping surface is between 35 cm 2 and 80 cm 2 . Specifically, the area of the first clamping surface can be in a range between any one or any two of 35 cm 2 , 40 cm 2 , 45 cm 2 , 50 cm 2 , 55 cm 2 , 60 cm 2 , 65 cm 2 , 70 cm 2 , 75 cm 2 , 80 cm 2 , and the like. The area of the second clamping surface can be in a range between any one or any two of 35 cm 2 , 40 cm 2 , 45 cm 2 , 50 cm 2 , 55 cm 2 , 60 cm 2 , 65 cm 2 , 70 cm 2 , 75 cm 2 , 80 cm 2 , and the like.

[0045] In the present embodiment, when the area of the first clamping surface and the area of the second clamping surface are both less than 35 cm 2When the area of the first clamping surface and the area of the second clamping surface are both greater than 80 cm 2 , the contact points between the first clamping piece 31, the second clamping piece 32 and the winding drum 7 increase, which leads to the dispersion of the clamping force and affects the stability of the clamping. The area of the first clamping surface and the area of the second clamping surface are set in the interval range of 35 cm 2 to 80 cm 2 , which can ensure that the first clamping piece 31 and the second clamping piece 32 can tightly clamp the winding drum 7, and prevent the first clamping piece 31 and the second clamping piece 32 from damaging the winding drum 7 by exerting excessive pressure on the winding drum 7.

[0046] In an embodiment, please refer to Figure 4 and Figure 6 , the second clamping piece 32 can be fixedly installed at different positions of the first clamping piece 31 or the mounting seat 2 to adjust the width of the insertion gap 33. In this embodiment, the width of the insertion gap 33 is the vertical distance between the first clamping surface and the second clamping surface. By changing the fixed position of the second clamping piece 32 to adjust the width of the insertion gap 33, the clamping assembly 3 can clamp winding drums 7 of different specifications, improving the practicability and flexibility of the clamping assembly 3.

[0047] In an embodiment, please refer to Figure 4 and Figure 6 , the first clamping piece 31 includes a first connecting part 311, which can be fixed on the mounting seat 2 by welding, riveting, screw connection, buckle connection or the like. The first connecting part 311 is provided with an adjusting hole 3111 extending along the width direction of the insertion gap 33. The second clamping piece 32 includes a second connecting part 321 provided with a screw hole 3211 corresponding to the adjusting hole 3111. The second connecting part 321 can be fixed at different positions of the first connecting part 311 along the width direction of the insertion gap 33 to adjust the width of the insertion gap 33. In this embodiment, the winding drum fixing structure 100 further includes a first fastener 4, which can be a bolt or a screw. After the width of the insertion gap 33 is adjusted, the first fastener 4 can pass through the adjusting hole 3111 and the screw hole 3211 and fix the first connecting part 311 and the second connecting part 321 together, so that the second clamping piece 32 cannot move relative to the first clamping piece 31.

[0048] In a specific embodiment, the first clamping member 31 further comprises a first clamping portion 312, the first connecting portion 311 is connected with the first clamping portion 312 at an angle of 90°, and the first clamping surface is arranged on the first clamping portion 312; the second clamping member 32 further comprises a second clamping portion 322, the second connecting portion 321 is connected with the second clamping portion 322 at an angle of 90°, and the second clamping surface is arranged on the second clamping portion 322; the first clamping portion 312 and the second clamping portion 322 are arranged at intervals to form the insertion gap 33.

[0049] In an embodiment, referring to Figures 2 to 4 , the mounting seat 2 is at least partially sleeved on the outer periphery of the material shaft 1, the mounting seat 2 comprises a connecting wall 21 surrounding the material shaft 1, the connecting wall 21 forms a mounting space accommodating at least part of the material shaft 1, and the connecting wall 21 is provided with a first mounting hole 211 in communication with the mounting space. In this embodiment, the specific shape of the mounting seat 2 is not limited, and the mounting seat 2 can be of annular structure, cuboid structure or other shape. The material shaft 1 is provided with a second mounting hole 11 corresponding to the first mounting hole 211; the winding drum fixing structure 100 further comprises a second fastener 5, which can be a bolt or a screw. The second fastener 5 can pass through the first mounting hole 211 and the second mounting hole 11, and fix the connecting wall 21 and the material shaft 1 in the mounting space together, so that the mounting seat 2 is firmly fixed on the material shaft 1. At the same time, the second fastener 5 can realize detachable connection between the mounting seat 2 and the material shaft 1, facilitating the installation and disassembly of the mounting seat 2 and the winding drum 7.

[0050] In an embodiment, referring to Figure 2 and Figure 6 , the connecting wall 21 is further provided with a third mounting hole 212 in communication with the mounting space, and the winding drum fixing structure 100 further comprises a supporting piece 6, one end of which is fixedly connected with the connecting wall 21, and the other end is fixedly connected with the material shaft 1 after passing through the third mounting hole 212; the supporting piece 6 can make the connecting wall 21 more stably fixed on the material shaft 1, preventing the connecting wall 21 from moving or deviating relative to the material shaft 1 during use. The supporting piece 6 can be a jackscrew or a bolt.

[0051] In a specific embodiment, the supporting piece 6 is a jackscrew, the outer wall surface of the jackscrew is provided with external threads, the third mounting hole 212 is provided with internal threads matched with the external threads of the jackscrew, one end of the jackscrew is installed in the third mounting hole 212 and is threadedly connected with the connecting wall 21, and the other end is abutted with the material shaft 1 after passing through the third mounting hole 212.

[0052] In an embodiment, referring to Figures 2 to 4The first positioning part 22 and the second positioning part 12 are one of a groove and the other is a protrusion, and the protrusion is arranged in the groove. In the embodiment, the first positioning part 22 and the second positioning part 12 can provide positioning and limiting functions for the mounting seat 2 and the material shaft 1, so that the fixing between the mounting seat 2 and the material shaft 1 is more firm.

[0053] In an embodiment, referring to Figure 5 The material shaft 1 further comprises a blocking part 13 arranged on a side of the material shaft 1 away from the mounting seat 2. When the winding drum 7 is arranged on the material shaft 1, the blocking part 13 and the mounting seat 2 are used for abutting against two ends of the winding drum 7 respectively, so as to prevent the winding drum 7 from moving relative to the material shaft 1 along the axial direction of the material shaft 1. In the embodiment, the shape of the blocking part 13 is not limited, and the blocking part 13 can be a ring-shaped blocking piece or a square blocking block. The fixing mode between the blocking part 13 and the material shaft 1 is also not limited, and the blocking part 13 can be fixed on the material shaft 1 by welding, riveting, screw connection, buckle connection or the like.

[0054] In a preferred embodiment, referring to Figure 5 The material shaft 1 comprises a first shaft body 14 and a second shaft body 15 connected in sequence. The first shaft body 14 is provided with the second positioning part 12 and the second mounting hole 11 at one end away from the second shaft body 15, and is provided with the blocking part 13 at the other end. The second shaft body 15 is provided with the second positioning part 12 and the second mounting hole 11 at one end away from the first shaft body 14, and is provided with the blocking part 13 at the other end. The material shaft 1 can simultaneously fix two winding drums 7, and the practicability of the material shaft 1 is strong.

[0055] The application further provides a transfer device comprising the winding drum fixing structure 100 as described above. The winding drum fixing structure 100 comprises the material shaft 1, the mounting seat 2 and the clamping assembly 3. The mounting seat 2 is fixedly connected with the material shaft 1. After the clamping assembly 3 is fixed on the mounting seat 2, the clamping assembly 3 is fixedly immovable relative to the material shaft 1. When the winding drum 7 is arranged on the material shaft 1, the clamping assembly 3 can be limitingly connected with the winding drum 7 on the material shaft 1, so that the clamping assembly 3 and the winding drum 7 keep synchronous movement or rotation, and then the winding drum 7 also keeps fixedly immovable relative to the material shaft 1. The transfer device can solve the technical problem that the winding drum 7 is easily rotated around the material shaft 1 in the transportation process, so as to cause the winding drum 7 to collide and be damaged or the wound pole piece to be loosened, and affect the normal use of the winding drum 7 or the pole piece.

[0056] The above has carried out the detailed introduction to the embodiment of the utility model, the principle and implementation mode of the utility model have been described in this article by applying specific examples, the above embodiment explanation is only for helping understanding the method and its core thought of the utility model; simultaneously, for the technical personnel in the art, according to the thought of the utility model, there will be changes in specific implementation mode and application range, and the above is described, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A reel fixing structure, characterized in that: include: A material shaft, the material shaft being used for mounting the reel; A mounting seat connected to the material shaft; A clamping assembly is fixed to the mounting seat, and the clamping assembly is used to be connected to the reel on the material shaft to prevent the reel from rotating relative to the material shaft.

2. The reel fixing structure according to claim 1, characterized in that: The clamping assembly comprises: a first clamping member, the first clamping member being fixed to the mounting seat; a second clamping member, the second clamping member being fixed to the first clamping member or the mounting seat, with an insertion gap formed between the first clamping member and the second clamping member; The first clamping member and the second clamping member are capable of clamping the roll in the insertion gap.

3. The reel fixing structure according to claim 2, characterized in that: The first clamping member has a first clamping surface for contacting the roll, and the second clamping member has a second clamping surface for contacting the roll. The area of ​​the first clamping surface and / or the second clamping surface is within 35 cm 2 Up to 80cm 2 between.

4. The reel fixing structure according to claim 2, characterized in that: The second clamping member can be fixedly mounted on different positions of the first clamping member or the mounting seat to adjust the width of the insertion gap.

5. The reel fixing structure according to claim 2, characterized in that: The first clamping member includes a first connecting portion, the first connecting portion is fixed to the mounting seat, and an adjustment hole is provided on the first connecting portion; The second clamping member includes a second connecting portion, and a screw hole is provided on the second connecting portion relative to the adjusting hole; The reel fixing structure further includes a first fastener, which can pass through the adjustment hole and the screw hole and fix the first connecting part and the second connecting part together.

6. The reel fixing structure according to any one of claims 1 to 5, characterized in that: The mounting seat is at least partially sleeved on the outer circumference of the material shaft, and the mounting seat includes a connecting wall surrounding the material shaft, and an installation space for accommodating at least a portion of the material shaft is formed in the connecting wall, and a first mounting hole communicating with the installation space is provided on the connecting wall; The material shaft is provided with a second mounting hole corresponding to the first mounting hole; The reel fixing structure further includes a second fastener, which can pass through the first mounting hole and the second mounting hole and fix the connecting wall and the material shaft in the mounting space together.

7. The reel fixing structure according to claim 6, characterized in that: The connecting wall is further provided with a third mounting hole communicating with the mounting space; The reel fixing structure further includes a supporting member, one end of which is fixedly connected to the connecting wall, and the other end of which is fixedly connected to the material shaft after passing through the third mounting hole.

8. The reel fixing structure according to claim 6, characterized in that: The mounting seat is provided with a first positioning portion; The material shaft is provided with a second positioning portion that cooperates with the first positioning portion; One of the first positioning portion and the second positioning portion is a groove, and the other is a convex block, and the convex block is disposed in the groove.

9. The reel fixing structure according to claim 6, characterized in that: The material shaft further comprises a blocking portion, which is arranged on a side of the material shaft away from the mounting seat. When the reel is mounted on the material shaft, the blocking portion and the mounting seat are used to abut against both ends of the reel respectively.

10. A transfer device, characterized in that: It comprises the roll fixing structure according to any one of claims 1 to 9.

Images