Clamping mechanism and battery cell winding device
By designing a clamping mechanism including a first traction piece and a clamping piece, and utilizing the relative movement of the first sub-piece and the second sub-piece and the design of the placement groove, the problem of the small compatibility range of the clips in the prior art is solved, and the problem is achieved. Efficient clamping and releasing of batteries of different calibers.
Patent Information
- Application Number
- CN202420017277.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-02
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-01-02
AI Technical Summary
In the existing battery cell winding and unloading process, the diameter compatibility range of the clips is small, resulting in the need of separate design of different battery cells and diaphragms, which increases production costs.
Design a clamping mechanism, including a first traction piece and a clamping piece. The clamping piece is composed of a first sub-piece and a second sub-piece. Through relative movement and the design of the placement groove, the clamping of batteries of different calibers is achieved. and release.
A single clip can get a cell with different calibers, improve the scope of the holding mechanism, and reduce production costs.
Smart Images
Figure CN222394842U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of battery core manufacturing, in particular to a clamping mechanism and a battery core winding device. Background Art
[0002] In the production process of battery cells, it is necessary to use a clamp to clamp the battery cell or diaphragm for winding and blanking. In the existing battery cell winding and blanking process, the clamps used are compatible with a small range of diameters. One type of clamp is required to clamp the battery cell, another type of clamp is required to clamp the diaphragm, and another type of clamp is required for the battery cell with the diaphragm wound. This results in the need to design separate clamps for different raw materials, and the diaphragm needs to be wound with excess thickness before it can be clamped, which increases the production cost. Utility Model Content
[0003] In order to solve at least one problem existing in the prior art, the utility model provides a clamping mechanism, the clamping mechanism comprises a first traction member and a clamping member, the clamping member is connected to the first traction member, the clamping member comprises a first sub-member and a second sub-member, the first sub-member and the second sub-member are respectively slidably connected to the first traction member, along the length direction of the first traction member, the first sub-member and the second sub-member perform relative movement, at least one of the first sub-member and the second sub-member is provided with a placement groove on the side facing each other, the free end of the second sub-member is provided with an avoidance groove, and the free end of the first sub-member is used to be inserted into the avoidance groove;
[0004] Among them, when the first sub-component is abutted against the second sub-component, the free end of the first sub-component is inserted into the avoidance groove, and the clamping member is located in the area of the placement groove to form a first clamping space for clamping the first battery cell; when the first sub-component is spaced apart from the second sub-component, the free end of the first sub-component and the free end of the second sub-component are relatively spaced apart, and the clamping member is located in the area of the placement groove to form a second clamping space for clamping the second battery cell.
[0005] In some embodiments, the first sub-component includes a first supporting portion and a first clamping portion, and two ends of the first supporting portion are respectively connected to the first traction member and the first clamping portion; the second sub-component includes a second supporting portion and a second clamping portion, and two ends of the second supporting portion are respectively connected to the first traction member and the second clamping portion; at least one of the first clamping portion and the second clamping portion is provided with a placement groove on a side facing each other, and the second clamping portion is provided with an avoidance groove, and the first clamping portion is used to be inserted into the avoidance groove;
[0006] Among them, when the first support part abuts against the second support part, the first clamping part is inserted into the avoidance groove, and the clamping member is located in the area of the placement groove to form a first clamping space for clamping the first battery cell; when the first support part is spaced apart from the second support part, the first clamping part and the second clamping part are relatively spaced apart, and the clamping member is located in the area of the placement groove to form a second clamping space for clamping the second battery cell.
[0007] In some embodiments, the first sub-component includes a protrusion, which is connected to the end of the first clamping portion away from the first traction member, the width of the protrusion is smaller than the width of the first clamping portion, and the second clamping portion is provided with an avoidance groove; when the first support portion abuts against the second support portion, the protrusion is embedded in the avoidance groove, and the clamping member is located in the area of the placement groove to form a first clamping space for clamping the first battery cell.
[0008] In some embodiments, when the free end of the first sub-component is inserted into the avoidance groove, the width of the first clamping space is L, 0㎜≤L≤4㎜.
[0009] In some embodiments, the first clamping portion and the second clamping portion are inclined toward each other.
[0010] In some embodiments, the clamping member includes multiple first sub-members and multiple second sub-members. In the direction of the width of the first traction member, the multiple first sub-members are arranged at intervals, and adjacent first sub-members are connected to each other. The multiple second sub-members are arranged at intervals, and adjacent second sub-members are connected to each other. The first sub-members and the second sub-members are arranged correspondingly.
[0011] In some embodiments, the first traction member includes a first cylinder, a plurality of first driving blocks and a plurality of first fixed blocks, the plurality of first fixed blocks are slidably connected to the first cylinder along the length direction of the cylinder, the plurality of first fixed blocks are respectively connected to the plurality of first driving blocks, and the first sub-member and the second sub-member are respectively connected to the first fixed blocks.
[0012] In some embodiments, the clamping mechanism includes a second traction member, the first traction member is slidably connected to the second traction member, and the first traction member moves linearly along the width direction of the first traction member, and the width direction of the first traction member is perpendicular to the length direction of the first traction member.
[0013] In some embodiments, the second traction member includes a second cylinder, a plurality of second drive blocks and a plurality of second fixed blocks, the first cylinder is connected to the plurality of second fixed blocks, the plurality of second fixed blocks are respectively slidably connected to the plurality of second drive blocks, the plurality of second drive blocks are connected to the second cylinder, and the movement direction of the second drive blocks is perpendicular to the movement direction of the first drive blocks.
[0014] The present application also proposes a battery cell winding device, which includes the clamping mechanism and a main body device of any one of the above items, and the clamping mechanism is connected to the main body device.
[0015] Compared with the prior art, the beneficial effects of the embodiments of the utility model are as follows: under the traction of the first traction member, the first sub-member and the second sub-member make relative movement to realize the clamping and releasing of the parts, and the placement groove serves as a placement space for clamping the parts to prevent the parts from falling off. When clamping the first battery cell (i.e., a small-diameter part), the first sub-member abuts against the second sub-member, and the free end of the first sub-member is inserted into the avoidance groove, and the placement groove is reduced to meet the clamping requirements of the first battery cell; when clamping the second battery cell (a large-diameter part), the first sub-member and the second sub-member are spaced apart, and the placement groove is enlarged to meet the clamping requirements of the second battery cell, so that a single clamp can clamp battery cells of different calibers, thereby improving the use range of the clamping mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic diagram of clamping a first battery cell according to an embodiment provided by the present application;
[0017] Figure 2 yes Figure 1 A schematic diagram of the embodiment shown on the other side;
[0018] Figure 3 yes Figure 2 middle Figure 1 A schematic diagram of clamping a second battery cell in the illustrated embodiment;
[0019] Figure 4 yes Figure 3 A schematic diagram of the embodiment shown on the other side;
[0020] Figure 5 yes Figure 1 Schematic diagram of the placement slot.
[0021] Label name Label name 100 Clamping mechanism 1222 Second clamping part 110 First traction member 123 Placement slot 111 First cylinder 124 Avoidance slot 112 First driver block 130 Second traction member 113 First fixed block 131 Second cylinder 120 Clamping parts 132 Second driver block 121 First sub-item 133 Second fixed block 1211 First support part 101 First battery 1212 First clamping part 102 Second battery cell 125 Raised part 200 Battery cell winding device 122 Second sub-component 201 Body device 1221 Second support part DETAILED DESCRIPTION
[0022] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.
[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0024] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0025] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein 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.
[0027] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0028] In order to solve at least one problem existing in the prior art, the utility model provides a clamping mechanism 100, the clamping mechanism 100 includes a first traction member 110 and a clamping member 120, the clamping member 120 is connected to the first traction member 110, the clamping member 120 includes a first sub-member 121 and a second sub-member 122, the first sub-member 121 and the second sub-member 122 are respectively slidably connected to the first traction member 110, along the length direction of the first traction member 110, the first sub-member 121 and the second sub-member 122 make relative motion, at least one of the first sub-member 121 and the second sub-member 122 is provided with a placement groove 123 on the side facing each other, the free end of the second sub-member 122 is provided with an avoidance groove 124, and the free end of the first sub-member 121 is used to be inserted into the avoidance groove 124;
[0029] Among them, when the first sub-component 121 is abutted against the second sub-component 122, the free end of the first sub-component 121 is inserted into the avoidance groove 124, and the clamping member 120 is located in the area of the placement groove 123 to form a first clamping space for clamping the first battery cell 101; when the first sub-component 121 is spaced from the second sub-component 122, the free end of the first sub-component 121 and the free end of the second sub-component 122 are relatively spaced, and the clamping member 120 is located in the area of the placement groove 123 to form a second clamping space for clamping the second battery cell 102.
[0030] Combination Figure 1 The clamping mechanism 100 proposed in the present application is applicable to the field of battery cells, and its use scope includes clamping of battery cells, clamping of diaphragm rolls, clamping of cylindrical objects, etc. It can be applied to the clamping of columnar parts of various calibers in battery cell production.
[0031] The first traction member 110 serves as a power device to drive the clamping, releasing and position transfer of the clamping mechanism 100. The optional devices of the first traction member 110 include a cylinder device, a motor, a conveyor belt structure, a guide rail structure, etc. This embodiment adopts a cylinder plus guide rail structure as the first traction member 110, which has a simple structure, is easy to assemble, has easily available parts, and has a low investment cost.
[0032] The clamping member 120 can also be called a clamp, which is used to clamp and release parts. The clamping member 120 is composed of a first sub-member 121 and a second sub-member 122. The material of the clamping member 120 can be cast iron, stainless steel, engineering plastics, etc., which is not limited here.
[0033] Combination Figure 1 The so-called free end refers to the left end of the first sub-component 121 and the second sub-component 122. Since this section is not connected to other parts, it is called a free end. The clamping of parts is realized at the free end.
[0034] It is particularly noted that the first battery cell 101 and the second battery cell 102 do not simply refer to battery cells, but are names taken for the convenience of description. Figure 4 In actual production, the first battery cell 101 includes not only the metal rod used to make electrodes, but also the diaphragm roll with fewer turns, etc., that is, the first battery cell 101 has a smaller diameter; the second battery cell 102 includes not only the metal rod used to make electrodes, but also the diaphragm roll with more turns, the battery cell roll after the winding and unloading process (a columnar object composed of battery cells and diaphragms), etc., that is, the second battery cell 102 has a larger diameter.
[0035] In order to clearly describe the object, in this application, the clamping parts with the avoidance groove 124 at the free end are collectively referred to as the second sub-component 122, and the other clamping parts cooperating with the second sub-component 122 are collectively referred to as the first sub-component 121, and the same applies to the following description.
[0036] At least one of the first sub-component 121 and the second sub-component 122 is provided with a placement groove 123 on the side facing each other, including at least the following situations: the first sub-component 121 is provided with a placement groove 123, and the opposite side of the second sub-component 122 is a plane; the second sub-component 122 is provided with a placement groove 123, and the opposite side of the first sub-component 121 is a plane; the opposite sides of the first sub-component 121 and the second sub-component 122 are both provided with a placement groove 123. The shape of the placement groove 123 includes a polygon such as a triangle, a rhombus, or an arc.
[0037] The free end of the first sub-component 121 and the avoidance groove 124 of the free end of the second sub-component 122 are plugged in and out, and the size of the placement groove 123 can be reduced or enlarged to meet the clamping requirements of different objects.
[0038] In this embodiment, seating grooves 123 are provided on opposite sides of the first sub-component 121 and the second sub-component 122. The seating grooves 123 are in the shape of an arc, which is convenient for mass production and replacement of parts. In other embodiments, the style of the seating grooves 123 needs to be designed according to the clamped objects. For example, the seating groove 123 of the first sub-component 121 is in the shape of an arc, and the seating groove 123 of the second sub-component 122 is in the shape of a triangle, which will not be elaborated here.
[0039] Compared with the prior art, the beneficial effects of the embodiment of the utility model are as follows: under the traction of the first traction member 110, the first sub-member 121 and the second sub-member 122 make relative movement to realize the clamping and releasing of parts, and the placement groove 123 serves as a placement space for clamping parts to prevent parts from falling off. When clamping the first battery cell 101 (i.e., a small-caliber part), the first sub-member 121 abuts against the second sub-member 122, and the free end of the first sub-member 121 is inserted into the avoidance groove 124, and the placement groove 123 is reduced to meet the clamping requirements of the first battery cell 101; when clamping the second battery cell 102 (i.e., a large-caliber part), the first sub-member 121 and the second sub-member 122 are spaced apart, and the placement groove 123 is enlarged to meet the clamping requirements of the second battery cell 102, so that a single clip can clamp battery cells of different calibers, thereby improving the use range of the clip.
[0040] In some embodiments, the first sub-component 121 includes a first supporting portion 1211 and a first clamping portion 1212, and the two ends of the first supporting portion 1211 are respectively connected to the first traction member 110 and the first clamping portion 1212; the second sub-component 122 includes a second supporting portion 1221 and a second clamping portion 1222, and the two ends of the second supporting portion 1221 are respectively connected to the first traction member 110 and the second clamping portion 1222; at least one of the first clamping portion 1212 and the second clamping portion 1222 is provided with a placement groove 123 on the side facing each other, and the second clamping portion 1222 is provided with an avoidance groove 124, and the first clamping portion 1212 is used to be inserted into the avoidance groove 124;
[0041] Among them, when the first support part 1211 is abutted against the second support part 1221, the first clamping part 1212 is inserted into the avoidance groove 124, and the clamping member 120 is located in the area of the placement groove 123 to form a first clamping space for clamping the first battery cell 101; when the first support part 1211 is spaced from the second support part 1221, the first clamping part 1212 and the second clamping part 1222 are relatively spaced, and the clamping member 120 is located in the area of the placement groove 123 to form a second clamping space for clamping the second battery cell 102.
[0042] The first supporting portion 1211 in the first sub-component 121 plays a supporting and connecting role, and the first clamping portion 1212 plays a clamping role; the second supporting portion 1221 in the second sub-component 122 plays a supporting and connecting role, and the second clamping portion 1222 plays a clamping role.
[0043] Combination Figure 1 , from left to right, the first traction member 110, the first support portion 1211, and the first clamping portion 1212 are connected in sequence. Under the action of the first traction member 110, the first clamping portion 1212 is driven by the first support portion 1211, along the length direction of the first traction member 110 ( Figure 1 Similarly, the second clamping portion 1222 is driven by the second supporting portion 1221 to make linear motion along the left and right directions. When the first clamping portion 1212 and the second clamping portion 1222 are relatively close to each other, a clamping operation is performed; when the first clamping portion 1212 and the second clamping portion 1222 are relatively close to each other, a releasing operation is performed.
[0044] At least one of the first clamping portion 1212 and the second clamping portion 1222 is provided with a placement groove 123 on the side facing each other, which means at least the following situations: the placement groove 123 is only provided on the first clamping portion 1212, the placement groove 123 is only provided on the second clamping portion 1222, and the placement groove 123 is provided on both the first clamping portion 1212 and the second clamping portion 1222. This embodiment adopts the third solution, the reason for which has been mentioned above and will not be repeated here.
[0045] Combination Figure 1 and Figure 3 When the first support portion 1211 and the second support portion 1221 approach each other until they abut against each other, the first clamping portion 1212 gradually approaches until it is inserted into the avoidance groove 124, and the size of the placement groove 123 gradually decreases. This situation is suitable for clamping the first battery cell 101.
[0046] Combination Figure 2 and Figure 4 When the first supporting portion 1211 is spaced apart from the second supporting portion 1221 , the first clamping portion 1212 is relatively spaced apart from the second clamping portion 1222 , and the size of the placement groove 123 is relatively increased. This situation is suitable for clamping the second battery cell 102 .
[0047] In some embodiments, the first sub-component 121 includes a protrusion 125, which is connected to one end of the first clamping portion 1212 away from the first traction member 110, the width of the protrusion 125 is smaller than the width of the first clamping portion 1212, and the second clamping portion 1222 is provided with an avoidance groove 124; when the first support portion 1211 abuts against the second support portion 1221, the protrusion 125 is embedded in the avoidance groove 124, and the clamping member 120 is located in the area of the placement groove 123 to form a first clamping space for clamping the first battery cell 101.
[0048] According to the above description, when the first sub-component 121 and the second sub-component 122 are in contact, the two are combined into one in a meshing manner. Therefore, a protrusion 125 is provided at the free end of the first sub-component 121, and an avoidance groove 124 is provided at the free end of the second sub-component 122. As the protrusion 125 gradually embeds into the avoidance groove 124, the space of the placement groove 123 gradually shrinks to meet the requirements of clamping the first battery cell 101.
[0049] In some embodiments, when the free end of the first sub-component 121 is inserted into the avoidance groove 124, the width of the first clamping space is L, and 0㎜≤L≤4㎜.
[0050] Combination Figure 1 and Figure 5 When the free end of the first sub-component 121 is fully inserted into the avoidance groove 124, the side of the placement groove 123 forms a shape similar to an ellipse. In this embodiment, the length of the protrusion and the depth of the avoidance groove 124 are designed according to actual production needs, and the maximum width of the ellipse is controlled to be about 4 mm. To clamp parts with larger diameters, the protrusion and the avoidance groove 124 need to be appropriately separated.
[0051] The clamping range of the first sub-component 121 and the second sub-component 122 is above 4 mm, which can be used for diaphragm rolls (above 4.0 mm) and battery cells (around 46 mm) in battery cell production. This reduces the additional use of diaphragms, increases the use range of a single clamp 120, and avoids the problem of requiring different clamps for different parts.
[0052] In some embodiments, the first clamping portion 1212 and the second clamping portion 1222 are inclined toward each other.
[0053] Combination Figure 5In order to facilitate the accurate engagement of the protrusion and the avoidance groove 124, the free ends of the first sub-component 121 and the second sub-component 122 need to be modified. In this embodiment, the free end of the first clamping portion 1212 and the free end of the second clamping portion 1222 are designed as inclined surfaces, and the two inclined surfaces are inclined from the outside to the inside. Such a design, on the one hand, reduces the extrusion and collision of the free end of the first clamping portion 1212 and the free end side wall of the second clamping portion 1222 during the engagement process, which facilitates the smooth engagement process, and on the other hand, reduces the mass of the first sub-component 121 and the second sub-component 122, which is beneficial to the movement of the first sub-component 121 and the second sub-component 122, and also saves production costs.
[0054] In some embodiments, the clamping member 120 includes a plurality of first sub-members 121 and a plurality of second sub-members 122. In the width direction of the first traction member 110, the plurality of first sub-members 121 are arranged at intervals, and adjacent first sub-members 121 are connected to each other. The plurality of second sub-members 122 are arranged at intervals, and adjacent second sub-members 122 are connected to each other. The first sub-members 121 and the second sub-members 122 are arranged correspondingly.
[0055] Combination Figure 1 In order to improve the stability of clamping, multiple first sub-components 121 and multiple second sub-components 122 are arranged in the up and down directions. Adjacent first sub-components 121 are connected and arranged at intervals from each other. The second sub-components 122 are also arranged in this way. Each first sub-component 121 corresponds to a second sub-component 122. In this way, the clamping member 120 can take care of multiple parts of the clamped object to avoid falling off, deformation or damage of the clamped part, etc. The number of pairs of the first sub-component 121 and the second sub-component 122 can be set to 2, 3 or 4. In this embodiment, the number of pairs of the first sub-component 121 and the second sub-component 122 is 2.
[0056] In some embodiments, the first traction member 110 includes a first cylinder 111, a plurality of first driving blocks 112 and a plurality of first fixed blocks 113, the plurality of first fixed blocks 113 are slidingly connected to the first cylinder 111 along the length direction of the cylinder, the plurality of first fixed blocks 113 are respectively connected to the plurality of first driving blocks 112, and the first sub-member 121 and the second sub-member 122 are respectively connected to the first fixed blocks 113.
[0057] As mentioned above, from the perspective of cost and assembly, this embodiment adopts a cylinder plus a guide rail structure as the first traction member 110. Figure 1 or Figure 3In this embodiment, two first fixing blocks 113 are used to connect the first sub-component 121 and the second sub-component 122 respectively. The first fixing block 113 is connected to the first driving block 112, and the first driving block 112 is connected to the first cylinder 111. Under the action of the first cylinder 111, the first fixing block 113 drives the first sub-component 121 and the second sub-component 122 to move in the left and right directions, thereby realizing the clamping and releasing operations.
[0058] The cylinder is connected to the host, and the relative distance between the first sub-component 121 and the second sub-component 122 is controlled by a program, so that the clamping process can be stably performed and intelligent production can be realized. The material of the first driving block 112 and the first fixing block 113 can be cast iron, stainless steel or engineering plastic, and there is no special limitation here.
[0059] In some embodiments, the clamping mechanism 100 includes a second traction member 130, and the first traction member 110 is slidably connected to the second traction member 130. The first traction member 110 moves linearly along the width direction of the first traction member 110, and the width direction of the first traction member 110 is perpendicular to the length direction of the first traction member 110.
[0060] Combination Figure 1 The first traction member 110 realizes the left and right movement and clamping of the clamping member 120. According to the actual production needs, the second traction member 130 is set in the up and down direction. The second traction member 130 can be selected from cylinders, guide rails, slides, conveyor belts, motors and other devices. This embodiment still adopts a cylinder plus guide rail structure, which is economical and convenient.
[0061] In some embodiments, the second traction member 130 includes a second cylinder 131, multiple second driving blocks 132 and multiple second fixed blocks 133, the first cylinder 111 is connected to the multiple second fixed blocks 133, the multiple second fixed blocks 133 are respectively slidably connected to the multiple second driving blocks 132, the multiple second driving blocks 132 are connected to the second cylinder 131, and the movement direction of the second driving blocks 132 is perpendicular to the movement direction of the first driving blocks 112.
[0062] Combination Figure 1 The second driving block 132 is arranged in the up and down direction, the first cylinder 111 is connected to the second fixed block 133, the second fixed block 133 is connected to the second driving block 132, and the second driving block 132 is connected to the second cylinder 131. Under the action of the second cylinder 131, the second driving block 132 moves up and down, and the second fixed block 133 drives the first cylinder 111 to move up and down, thereby realizing the up and down movement of the clamping member 120, expanding the working space of the clamping member 120, and facilitating the implementation of other clamping processes.
[0063] The present application also proposes a battery cell winding device 200 , which includes any one of the above-mentioned clamping mechanisms 100 and a main body device 201 , wherein the clamping mechanism 100 is connected to the main body device 201 .
[0064] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0065] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0066] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A clamping mechanism (100), characterized in that: The clamping mechanism (100) comprises: a first traction member (110); and a clamping member (120), the clamping member (120) being connected to the first traction member (110), the clamping member (120) comprising a first sub-member (121) and a second sub-member (122), the first sub-member (121) and the second sub-member (122) being respectively slidably connected to the first traction member (110), the first sub-member (121) and the second sub-member (122) making relative motion along the length direction of the first traction member (110), a placement groove (123) being provided on at least one side of the first sub-member (121) and the second sub-member (122) facing each other, a free end of the second sub-member (122) being provided with an avoidance groove (124), the free end of the first sub-member (121) being used for being inserted into the avoidance groove (124); Wherein, when the first sub-component (121) is in contact with the second sub-component (122), the free end of the first sub-component (121) is inserted into the avoidance groove (124), and the clamping member (120) is located in the area of the placement groove (123) to form a first clamping space for clamping the first battery cell (101); when the first sub-component (121) is spaced from the second sub-component (122), the free end of the first sub-component (121) and the free end of the second sub-component (122) are relatively spaced, and the clamping member (120) is located in the area of the placement groove (123) to form a second clamping space for clamping the second battery cell (102).
2. The clamping mechanism (100) according to claim 1, characterized in that: The first sub-component (121) comprises a first supporting portion (1211) and a first clamping portion (1212), and two ends of the first supporting portion (1211) are respectively connected to the first traction member (110) and the first clamping portion (1212); the second sub-component (122) comprises a second supporting portion (1221) and a second clamping portion (1222), and two ends of the second supporting portion (1221) are respectively connected to the first traction member (110) and the second clamping portion (1222); the placement groove (123) is provided on at least one side of the first clamping portion (1212) and the second clamping portion (1222) facing each other, and the second clamping portion (1222) is provided with the avoidance groove (124), and the first clamping portion (1212) is used to be inserted into the avoidance groove (124); When the first supporting portion (1211) is in contact with the second supporting portion (1221), the first clamping portion (1212) is inserted into the avoidance groove (124), and the clamping member (120) is located in the area of the placement groove (123) to form the first clamping space for clamping the first battery cell (101); when the first supporting portion (1211) is spaced from the second supporting portion (1221), the first clamping portion (1212) and the second clamping portion (1222) are relatively spaced, and the clamping member (120) is located in the area of the placement groove (123) to form the second clamping space for clamping the second battery cell (102).
3. The clamping mechanism (100) according to claim 2, characterized in that: The first sub-component (121) comprises a protruding portion (125), the protruding portion (125) being connected to an end of the first clamping portion (1212) away from the first traction member (110), the width of the protruding portion (125) being smaller than the width of the first clamping portion (1212), and the second clamping portion (1222) being provided with the avoidance groove (124); when the first supporting portion (1211) is in contact with the second supporting portion (1221), the protruding portion (125) is embedded in the avoidance groove (124), and the clamping member (120) is located in the area of the placement groove (123) to form the first clamping space for clamping the first battery cell (101).
4. The clamping mechanism (100) according to claim 2, characterized in that: When the free end of the first sub-component (121) is inserted into the avoidance groove (124), the width of the first clamping space is L, 0 mm≤L≤4 mm.
5. The clamping mechanism (100) according to claim 2, characterized in that: The first clamping portion (1212) and the second clamping portion (1222) are inclined toward each other.
6. The clamping mechanism (100) according to claim 1, characterized in that: The clamping member (120) comprises a plurality of first sub-members (121) and a plurality of second sub-members (122); in the width direction of the first traction member (110), the plurality of first sub-members (121) are arranged at intervals, and adjacent first sub-members (121) are connected to each other; the plurality of second sub-members (122) are arranged at intervals, and adjacent second sub-members (122) are connected to each other; and the first sub-members (121) and the second sub-members (122) are arranged correspondingly.
7. The clamping mechanism (100) according to claim 1, characterized in that: The first traction member (110) comprises a first cylinder (111), a plurality of first driving blocks (112) and a plurality of first fixing blocks (113); the plurality of first fixing blocks (113) are slidably connected to the first cylinder (111) along the length direction of the cylinder; the plurality of first fixing blocks (113) are respectively connected to the plurality of first driving blocks (112); and the first sub-member (121) and the second sub-member (122) are respectively connected to the first fixing blocks (113).
8. The clamping mechanism (100) according to claim 7, characterized in that: The clamping mechanism (100) comprises a second traction member (130), the first traction member (110) being slidably connected to the second traction member (130), and the first traction member (110) performing linear motion along the width direction of the first traction member (110), and the width direction of the first traction member (110) is perpendicular to the length direction of the first traction member (110).
9. The clamping mechanism (100) according to claim 8, characterized in that: The second traction member (130) comprises a second cylinder (131), a plurality of second driving blocks (132) and a plurality of second fixed blocks (133); the first cylinder (111) is connected to the plurality of second fixed blocks (133); the plurality of second fixed blocks (133) are respectively slidably connected to the plurality of second driving blocks (132); the plurality of second driving blocks (132) are connected to the second cylinder (131); and the movement direction of the second driving blocks (132) is perpendicular to the movement direction of the first driving blocks (112).
10. A battery cell winding device (200), characterized in that: The battery cell winding device (200) comprises a clamping mechanism (100) as described in any one of claims 1 to 9 and a main body device (201), wherein the clamping mechanism (100) is connected to the main body device (201).