Top cover carved code positioning device

Abstract

The invention belongs to the technical field of battery manufacturing, and discloses a top cover code carving positioning device which comprises a platform and a positioning mechanism. The cover plate is supported on the platform. The positioning mechanism comprises a first long edge positioning assembly and a short edge positioning assembly. The first long edge positioning assembly comprises a first driving piece and a first long edge positioning part arranged at the output end of the first driving piece. The short-edge positioning assembly comprises a linkage part and two short-edge positioning parts, each short-edge positioning part is provided with an upper positioning part and a lower positioning part, and the first driving part drives the first long-edge positioning part to move so as to abut against the long-edge side face of the outer side of the cover plate and drives the linkage part to drive the two short-edge positioning parts to get close to each other at the same time; therefore, the two lower positioning parts are respectively abutted against the two short side surfaces of the cover plate, and the two upper positioning parts are respectively abutted against the opposite side surfaces of the two conductive blocks. The conductive block is positioned while the cover plate is positioned, the positioning precision is high, and over-positioning or incomplete positioning of the conductive block is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of battery manufacturing, and in particular to a top cover coding positioning device. Background Art

[0002] The manufacturing process of secondary batteries mainly includes three main processes: electrode manufacturing, cell assembly and chemical composition. In the cell assembly stage, the top cover needs to be laser-etched with a QR code containing battery production information on the cover plate before being assembled with the aluminum shell. In order to ensure the accurate position of the QR code, the cover plate needs to be positioned at the etching station.

[0003] like Figure 1 As shown, the secondary battery includes a battery cell 200 and a top cover 100 arranged on the battery cell 200, the top cover 100 includes a cover plate 101 and a conductive block 102 separately arranged from the cover plate 101, the conductive block 102 is used to connect with the pole 201 on the battery cell 200, in order to meet the assembly operation of the conductive block 102 and the pole 201, before assembly, it is necessary to locate the relative position of the conductive block 102 and the cover plate 101, so it is necessary to add additional stations in the battery cell assembly link to meet the above process implementation, and adding stations in the later process not only takes up space and increases the manufacturing cost, but also for the multiple positioning processes of the top cover, problems such as over-positioning or incomplete positioning are prone to occur, thereby reducing the yield of the battery cell assembly. Summary of the invention

[0004] The purpose of the present invention is to provide a top cover coding positioning device, which improves the positioning accuracy and assembly yield.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] The top cover coding positioning device comprises a cover plate and two conductive blocks arranged on the cover plate and spaced apart along a first direction. The top cover coding positioning device comprises:

[0007] A platform, used for supporting the cover plate;

[0008] A positioning mechanism, the positioning mechanism comprising a first long side positioning component and a short side positioning component;

[0009] The first long side positioning assembly comprises a first driving member and a first long side positioning component arranged at an output end of the first driving member, wherein the first driving member is arranged on the platform and is located at the outer side of the cover plate along the second direction;

[0010] The short side positioning assembly comprises a linkage component and two short side positioning components, the short side positioning component is provided with an upper positioning part and a lower positioning part, the linkage component is arranged at the output end of the first driving member, the two short side positioning components are symmetrically arranged along the first direction and are respectively connected to the linkage component in transmission, and the first driving member drives the first long side positioning component to abut against the long side surface of the outer side of the cover plate, and also drives the linkage component to drive the two short side positioning components to approach each other, so that the two lower positioning parts respectively abut against the two short side surfaces of the cover plate, and the two upper positioning parts respectively abut against the opposite side surfaces of the two conductive blocks;

[0011] The first direction and the second direction are perpendicular to each other.

[0012] As an optional solution, the short side positioning component includes:

[0013] A slide plate is slidably disposed on the platform and is transmission-connected with the linkage component;

[0014] The positioning member includes a positioning connection part, the lower positioning part and the upper positioning part, the positioning connection part is connected to the slide plate, the lower positioning part is vertically connected between the positioning connection part and the upper positioning part, and the upper positioning part protrudes from the lower positioning part along the first direction, and when the first driving member drives the linkage member to drive the two slide plates to move relative to each other, the two positioning members can be driven to move relative to each other.

[0015] As an optional scheme, the skateboard is provided with a plurality of first mounting holes spaced apart along the first direction, the positioning connection portion is provided with a first long slot hole corresponding to the first mounting hole and extending along the first direction, and the first fastener is passed through the first long slot hole and selectively connected to one of the first mounting holes.

[0016] As an optional scheme, the linkage component includes a linkage component and two adapter components, one end of the linkage component is connected to the output end of the first driving component, and the other end is provided with two long holes that are symmetrically distributed along the first direction and at an angle, and the two adapter components are respectively connected to the two slides and are respectively slidably set in the two long holes.

[0017] As an optional solution, the adapter is a cam bearing.

[0018] As an optional solution, the positioning mechanism further includes two positioning posts spaced apart along the first direction, through holes are provided at positions of the cover plate corresponding to the conductive block, and the two positioning posts are respectively inserted into the two through holes.

[0019] As an optional solution, two positioning mechanisms are provided, and the two positioning mechanisms are arranged on the platform at intervals along the second direction.

[0020] As an optional solution, it also includes a second long side positioning assembly, which includes a second driving member and two second long side positioning components. The second driving member is arranged on the platform and located between the positioning mechanisms. The second driving member can drive the two second long side positioning components to move away from each other and respectively abut against the facing inner long side surfaces of the two cover plates.

[0021] As an optional solution, the positioning mechanism also includes a third long side positioning component corresponding to each of the conductive blocks, the third long side positioning component includes a third driving member and a third long side positioning component arranged at the output end of the third driving member, the third driving member is arranged on the platform and on the same side as the first driving member, and can drive the third long side positioning component to abut the side of the conductive block on the same side as the outer long side of the cover plate.

[0022] As an optional solution, the positioning mechanism further includes a detection member, which is disposed on the platform and is used to detect whether the cover plate is tilted.

[0023] Beneficial effects of the present invention:

[0024] The present invention provides a top cover coding positioning device, which can position the two short sides of the cover plate of the top cover and position the two conductive blocks along the first direction while positioning the long side of the outer side of the cover plate of the top cover, that is, the linkage of the above actions is achieved by setting a linkage component, which reduces the number of parts and the occupied space, and the short side positioning component positions the short side of the cover plate and positions the conductive blocks along the first direction by setting an upper positioning part and a lower positioning part, respectively, so as to achieve positioning of the conductive blocks while positioning the cover plate, with high positioning accuracy, and avoiding over-positioning or incomplete positioning of the conductive blocks. The top cover coding positioning device ensures the accurate position of the cover plate coding and achieves the positioning of the conductive blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of a secondary battery involved in an embodiment of the present invention;

[0026] Figure 2 It is a schematic diagram of the structure of positioning the top cover by the top cover engraving positioning device provided in an embodiment of the present invention;

[0027] Figure 3 It is a structural schematic diagram of the top cover coding and positioning device provided by an embodiment of the present invention without the top cover;

[0028] Figure 4It is an isometric view of the top cover coding and positioning device provided in an embodiment of the present invention.

[0029] In the figure:

[0030] 100, top cover; 101, cover plate; 102, conductive block; 200, battery cell; 201, pole;

[0031] 1. Platform;

[0032] 2. first long side positioning assembly; 21. first driving member; 22. first long side positioning member; 221. first fixing member; 2211. second long slot hole; 222. first stopper;

[0033] 3. Short side positioning assembly; 31. Linkage component; 311. Linkage component; 3111. Long hole; 312. Adapter; 32. Short side positioning component; 321. Slide plate; 3211. First mounting hole; 322. Positioning component; 3221. Upper positioning part; 3222. Lower positioning part; 3223. Positioning connection part; 3223a. First long slot hole;

[0034] 4. Positioning column;

[0035] 5. Second long side positioning assembly; 51. Second driving member; 52. Second long side positioning member; 521. Second fixing member; 522. Second stopper; 5221. Third long slot;

[0036] 6. The third long side positioning component; 61. The third driving member; 62. The third long side positioning member; 621. The third fixing member; 622. The third stopper; 6221. The fourth long slot;

[0037] 7. Detection component; 71. Detection sensor. DETAILED DESCRIPTION

[0038] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar parts or parts having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, it can be a mechanical connection or an electrical connection, it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the description of the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0042] like Figure 1 As shown, the secondary battery includes a battery cell 200 and a top cover 100 disposed on the battery cell 200, and the top cover 100 includes a cover plate 101 and two conductive blocks 102 disposed on the cover plate 101 and spaced apart along a first direction (the length direction of the cover plate 101). An embodiment of the present invention provides a top cover coding positioning device, which can abut against the side of the long side of the outer side of the cover plate 101 for positioning, and can also abut against the side of the short side of the cover plate 101 for positioning, and abut against the side of the conductive block 102 on the same side as the short side of the cover plate 101 for positioning at an etching station.

[0043] like Figure 2-Figure 4 As shown, the top cover coding positioning device includes a platform 1 and a positioning mechanism. The cover plate 101 is supported on the platform 1. The positioning mechanism includes a first long side positioning component 2 and a short side positioning component 3. The first long side positioning component 2 includes a first driving member 21 and a first long side positioning component 22 arranged at the output end of the first driving member 21. The first driving member 21 is arranged on the platform 1 and is located on the outer side of the cover plate 101 along the second direction (the width direction of the cover plate 101); the short side positioning component 3 includes a linkage component 31 and two short side positioning components 32. The short side positioning component 32 is provided with an upper positioning portion 3221 and a lower positioning portion 3222. The linkage component 31 is arranged on the first driving member 21. The output end of the two short side positioning components 32 are symmetrically arranged along the first direction and are respectively connected to the linkage component 31. The first driving member 21 drives the first long side positioning component 22 to move so that it abuts against the long side of the outer side of the cover plate 101, and also drives the linkage component 31 to drive the two short side positioning components 32 to move closer to each other, so that the two lower positioning parts 3222 abut against the two short side of the cover plate 101, and the two upper positioning parts 3221 abut against the opposite sides of the two conductive blocks 102 (i.e., the short side of the conductive block 102 in this embodiment). The first direction and the second direction are perpendicular to each other.

[0044] The top cover coding positioning device can not only position the long side of the outer side of the cover plate 101 of the top cover 100, but also position the two short sides of the cover plate 101 of the top cover 100 and position the two conductive blocks 102 along the first direction, that is, the linkage of the above actions is realized by setting the linkage component 31, which reduces the number of parts and the occupied space, and the short side positioning component 32 respectively positions the short side of the cover plate 101 and positions the conductive blocks 102 along the first direction by setting the upper positioning part 3221 and the lower positioning part 3222, so as to realize the positioning of the conductive blocks 102 while positioning the cover plate 101, with high positioning accuracy, and avoid over-positioning or incomplete positioning of the conductive blocks 102. The top cover coding positioning device ensures the accurate coding position of the cover plate 101, and realizes the positioning of the conductive blocks 102, without the need to set up a separate station for positioning the conductive blocks 102 relative to the cover plate 101, thereby reducing the manufacturing cost, improving the production efficiency, and ensuring the positioning accuracy of the cover plate 101 and the conductive blocks 102.

[0045] Specifically, the first long side positioning component 22 includes a first fixing member 221 and a first stopper 222 arranged on the first fixing member 221 at intervals along the first direction. The first fixing member 221 is arranged at the output end of the first driving member 21. The first driving member 21 can drive the first fixing member 221 to move toward the top cover 100, so that the two first stoppers 222 can both abut against the long side of the outer side of the cover plate 101. In order to ensure that the first stopper 222 can accurately position the cover plate 101, the first fixing member 221 is provided with a second long slot hole 2211 extending along the second direction, and the output end of the first driving member 21 is provided with a second mounting hole. The second fastener is inserted into the second long slot hole 2211 and connected to the second mounting hole. By providing the second long slot hole 2211, the position of the first fixing member 221 can be adjusted along the second direction, thereby achieving the position adjustment of the first stopper 222.

[0046] Optionally, two positioning mechanisms are provided, and the two positioning mechanisms are spaced apart on the platform 1 along the second direction. By providing two positioning mechanisms, two top covers 100 can be positioned simultaneously to improve production efficiency.

[0047] In this embodiment, in order to realize the positioning of the inner long sides of the two cover plates 101 facing each other, the top cover coding positioning device further includes a second long side positioning component 5, which can be an active positioning component or a passive positioning component.

[0048] In one specific embodiment, the second long side positioning component 5 is an active positioning component, the second long side positioning component 5 is an active positioning component, the second long side positioning component 5 includes a second driving member 51 and two second long side positioning components 52, the second driving member 51 is arranged on the platform 1 and is located between the two positioning mechanisms, the second driving member 51 can drive the two second long side positioning components 52 to move back to back and respectively abut against the inner long side surfaces of the two cover plates 101 facing each other to achieve positioning. This structure can enable the second driving member 51 to simultaneously achieve positioning of the inner long sides of the two cover plates 101, thereby improving stability and reducing space occupancy.

[0049] Specifically, Figure 3-Figure 4 As shown, the second long side positioning component 52 includes a second fixing member 521 and a second stop block 522 arranged on the second fixing member 521 at intervals along the first direction. The second driving member 51 has two output ends. The two second fixing members 521 are respectively arranged at the two output ends of the second driving member 51. The second driving member 51 drives the two second fixing members 521 to move in opposite directions, and drives the second stop block 522 on the second fixing member 521 to abut against the inner long side of the cover plate 101. In order to ensure that the second stop block 522 can accurately position the cover plate 101, the second stop block 522 is provided with two third long slot holes 5221 spaced apart along the first direction, the third long slot holes 5221 extend along the second direction, and the second fixing member 521 is provided with a third mounting hole corresponding to the third long slot hole 5221 at the position where the second stop block 522 is provided, and the third fastener is passed through the third long slot hole 5221 and connected to the third mounting hole. By providing the third long slot hole 5221, the position of the second stop block 522 can be adjusted relative to the second fixing member 521 along the second direction to ensure positioning accuracy.

[0050] Optionally, the second stopper 522 is an L-shaped plate, the horizontal plate of the second stopper 522 is provided with a third long slot hole 5221 , and the vertical plate of the second stopper 522 is inlaid with ceramics for abutting against the cover plate 101 to prevent scratches on the edge of the cover plate 101 .

[0051] In another specific embodiment, the second long side positioning component 5 is a passive positioning component. The second long side positioning component 5 no longer pushes the inner long side surfaces of the two cover plates 101 facing each other. Instead, the two cover plates 101 are driven by the first long side positioning component 2 to abut against the positioning end surface of the second long side positioning component 5 to achieve edge positioning.

[0052] In this embodiment, the positioning mechanism further includes a third long side positioning component 6 corresponding to each conductive block 102, that is, each positioning mechanism includes two third long side positioning components 6 for respectively positioning the side surfaces of the two conductive blocks 102 on the cover plate 101 that are located on the same side as the outer long side of the cover plate 101 (i.e., the long side surfaces of the conductive blocks 102 in this embodiment). Specifically, the third long side positioning component 6 includes a third driving member 61 and a third long side positioning component 62 disposed at the output end of the third driving member 61, the third driving member 61 is disposed on the platform 1 and is disposed on the same side as the first driving member 21, and the third driving member 61 can make the third long side positioning component 62 abut against the side surface of the conductive block 102 that is located on the same side as the outer long side of the cover plate 101, so as to realize the positioning of the conductive block 102 along the second direction.

[0053] Specifically, the third long side positioning component 62 includes a third fixing member 621 and a third stopper 622 arranged on the third fixing member 621. The third fixing member 621 is arranged at the output end of the third driving member 61. The third stopper 622 is arranged on the third fixing member 621 and is used to abut the long side of the conductive block 102. In order to ensure that the third stopper 622 can accurately position the conductive block 102, the third stopper 622 is provided with two fourth long slot holes 6221 spaced apart along the first direction. The third fixing member 621 is provided with a fourth mounting hole corresponding to the fourth long slot hole 6221. The fourth long slot hole 6221 extends along the second direction. The fourth fastener can be inserted into the fourth long slot hole 6221 and connected to the fourth mounting hole. By providing the fourth long slot hole 6221, the position of the third stopper 622 can be adjusted along the second direction, thereby improving the positioning accuracy.

[0054] Furthermore, when the output end of the third driving member 61 or the third fixing member 621 of the third long side positioning member 62 moves toward the side of the cover plate 101 under the drive of the third driving member 61, the output end of the third driving member 61 or the third fixing member 621 of the third long side positioning member 62 will abut against the end surface of the first long side positioning member 22, that is, the stroke of the third driving member 61 is limited by the first long side positioning member 22. As long as the installation accuracy of the third stop block 622 relative to the third fixing member 621 is guaranteed, the over-positioning problem of the third stop block 622 on the long side of the conductive block 102 can be avoided.

[0055] Optionally, the short side positioning component 32 includes a slide plate 321 and a positioning member 322. The slide plate 321 is slidably arranged on the platform 1 and is transmission-connected with the linkage component 31. The positioning member 322 includes a positioning connection portion 3223, a lower positioning portion 3222 and an upper positioning portion 3221. The positioning connection portion 3223 is connected to the slide plate 321 so that when the two slide plates 321 slide relative to each other along the first direction, the two positioning members 322 can be driven to slide. The lower positioning portion 3222 is vertically connected to the positioning connection portion 322. 3 and the upper positioning portion 3221, and the upper positioning portion 3221 protrudes out of the lower positioning portion 3222 along the first direction. When the first driving member 21 drives the linkage member 31 to drive the two slides 321 to approach each other, the two positioning members 322 can be driven to approach each other, so that the lower positioning portion 3222 can abut against the short side of the cover plate 101. The upper positioning portion 3221 protrudes out of the lower positioning portion 3222 so that the upper positioning portion 3221 can pass over the short side of the cover plate 101 and abut against the short side of the conductive block 102.

[0056] By using the integrally structured positioning member 322, the upper positioning portion 3221 and the lower positioning portion 3222 which are staggered in the height direction, when positioning the short side of the cover plate 101 and the short side side of the conductive block 102, it is only necessary to set the straight-line distance D1 between the positioning end face of the upper positioning portion 3221 and the positioning end face of the lower positioning portion 3222, so that when the positioning end face of the lower positioning portion 3222 abuts against the short side side of the cover plate 101 and the positioning end face of the upper positioning portion 3221 abuts against the short side side of the conductive block 102, the straight-line distance D2 between the short side side of the cover plate 101 and the short side side of the conductive block 102 is equal to D1, thereby realizing the positioning of the conductive block 102 relative to the cover plate 101 in the second direction.

[0057] In order to adjust the position of the positioning member 322 along the first direction, the slide plate 321 is provided with a plurality of first mounting holes 3211 spaced apart along the first direction, the positioning connection portion 3223 is provided with a first long slot hole 3223a corresponding to the first mounting hole 3211 and extending along the first direction, and the first fastener is passed through the first long slot hole 3223a and selectively connected to the first mounting hole 3211. The structure allows the positioning member 322 to be roughly adjusted along the first direction by providing a plurality of first mounting holes 3211 spaced apart along the first direction on the slide plate 321, so as to be suitable for cover plates 101 of various length specifications, and allows the positioning member 322 to be finely adjusted along the first direction by providing the first long slot hole 3223a on the positioning connection portion 3223, so as to achieve higher positioning accuracy of the positioning member 322.

[0058] In this embodiment, there are two rows of first mounting holes 3211 on the slide plate 321, and the two rows of first mounting holes are spaced apart along the second direction. There are also two rows of first long slot holes 3223a on the positioning connection portion 3223, and the two rows of first long slot holes 3223a are also spaced apart along the second direction.

[0059] Optionally, the linkage component 31 includes a linkage member 311 and two adapters 312. The linkage member 311 is Y-shaped. One end of the linkage member 311 is connected to the output end of the first driving member 21, and the other end is provided with two long holes 3111 symmetrically distributed along the first direction and arranged at an angle. The two adapters 312 are respectively connected to the two slides 321 and are respectively slidably arranged in the two long holes 3111. When the first driving member 21 drives the linkage member 311 to move along the second direction, the two long holes 3111 can drive the two adapters 312 to move along the first direction, so as to drive the two slides 321 to move relative to each other. This structure can realize the simultaneous positioning of the long side of the cover plate 101, the short side of the cover plate 101 and the short side of the conductive block 102, and the positioning is realized by the first driving member 21. The driving force is consistent, which can improve the positioning accuracy and stability, and also improve the space utilization.

[0060] In this embodiment, the two long holes 3111 are arranged at an angle of 90°.

[0061] Optionally, the adapter 312 may be a cam bearing, which may improve the smoothness of its movement in the long hole 3111 .

[0062] Optionally, the first driving member 21 and the third driving member 61 can be selected as a cylinder, an oil cylinder or an electric cylinder; the second driving member 51 can be selected as a clamping cylinder, the clamping cylinder has two clamping jaws, and the clamping cylinder can drive the two clamping jaws to move closer to or away from each other, and the two second fixing members 521 are respectively arranged on the two clamping jaws.

[0063] In order to initially position the cover plate 101, the positioning mechanism also includes two positioning columns 4 spaced apart along the first direction. Through holes are provided at positions corresponding to the cover plate 101 and the conductive block 102. When the cover plate 101 is placed on the platform 1, the two positioning columns 4 are respectively inserted into the two through holes.

[0064] Furthermore, a support block is provided on the platform 1 to support the cover plate 101, and a convex surface is provided on the support block to avoid the bottom structure of the cover plate 101 to prevent the cover plate 101 from interfering with the support block during positioning, while reducing the contact area between the support block and the cover plate 101 to reduce friction.

[0065] In order to detect whether the cover plate 101 is tilted, the positioning mechanism further includes a detection member 7, which is disposed on the platform 1 and is used to detect the tilt degree of the cover plate 101. Specifically, the detection member 7 includes two detection sensors 71, which are disposed at intervals on both sides of the cover plate 101 along the first direction, and the two detection sensors 71 can monitor whether the cover plate 101 is tilted to prevent impact damage.

[0066] Optionally, the positioning member 322 , the first stopper 222 , the second stopper 522 and the third stopper 622 are all made of PEEK (polyetheretherketone) material.

[0067] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A top cover coding positioning device, wherein the top cover (100) comprises a cover plate (101) and two conductive blocks (102) arranged on the cover plate (101) and spaced apart along a first direction, characterized in that: The top cover coding positioning device comprises: A platform (1) for supporting the cover plate (101); A positioning mechanism, the positioning mechanism comprising a first long side positioning component (2) and a short side positioning component (3); The first long side positioning assembly (2) comprises a first driving member (21) and a first long side positioning component (22) arranged at an output end of the first driving member (21), wherein the first driving member (21) is arranged on the platform (1) and is located outside the cover plate (101) along the second direction; The short side positioning component (3) comprises a linkage component (31) and two short side positioning components (32), wherein the short side positioning component (32) is provided with an upper positioning portion (3221) and a lower positioning portion (3222), wherein the linkage component (31) is arranged at the output end of the first driving component (21), and the two short side positioning components (32) are symmetrically arranged along the first direction and are respectively connected to the linkage component (31) in a transmission manner, and the first driving component (21) drives the first long side positioning component (22) to abut against the long side surface of the outer side of the cover plate (101), and also drives the linkage component (31) to drive the two short side positioning components (32) to approach each other, so that the two lower positioning portions (3222) respectively abut against the two short side surfaces of the cover plate (101), and the two upper positioning portions (3221) respectively abut against the opposite side surfaces of the two conductive blocks (102); The first direction and the second direction are perpendicular to each other.

2. The top cover coding positioning device according to claim 1, characterized in that: The short side positioning component (32) comprises: A slide plate (321) is slidably disposed on the platform (1) and is drivingly connected to the linkage component (31); The positioning member (322) comprises a positioning connection portion (3223), the lower positioning portion (3222) and the upper positioning portion (3221); the positioning connection portion (3223) is connected to the slide plate (321); the lower positioning portion (3222) is vertically connected between the positioning connection portion (3223) and the upper positioning portion (3221); and the upper positioning portion (3221) protrudes from the lower positioning portion (3222) along the first direction; when the first driving member drives the linkage member (31) to drive the two slide plates (321) to move relative to each other, the two positioning members (322) can be driven to move relative to each other.

3. The top cover coding positioning device according to claim 2, characterized in that: The slide plate (321) is provided with a plurality of first mounting holes (3211) spaced apart along the first direction, the positioning connection portion (3223) is provided with a first long slot hole (3223a) corresponding to the first mounting hole (3211) and extending along the first direction, and a first fastener is passed through the first long slot hole (3223a) and selectively connected to one of the first mounting holes (3211).

4. The top cover coding positioning device according to claim 2, characterized in that: The linkage component (31) comprises a linkage component (311) and two adapter components (312); one end of the linkage component (311) is connected to the output end of the first driving component, and the other end is provided with two long holes (3111) symmetrically distributed along the first direction and forming an angle; the two adapter components (312) are respectively connected to the two slide plates (321) and are respectively slidably arranged in the two long holes (3111).

5. The top cover coding positioning device according to claim 4, characterized in that: The adapter (312) is a cam bearing.

6. The top cover coding positioning device according to claim 1, characterized in that: The positioning mechanism further comprises two positioning posts (4) spaced apart along the first direction, through holes are provided at positions of the cover plate (101) corresponding to the conductive block (102), and the two positioning posts (4) are respectively inserted into the two through holes.

7. The top cover coding and positioning device according to claim 1, characterized in that: Two positioning mechanisms are provided, and the two positioning mechanisms are arranged on the platform (1) at intervals along the second direction.

8. The top cover coding positioning device according to claim 7, characterized in that: It also includes a second long side positioning assembly (5), the second long side positioning assembly (5) including a second driving member (51) and two second long side positioning members (52), the second driving member (51) being arranged on the platform (1) and located between the positioning mechanisms, the second driving member (51) being capable of driving the two second long side positioning members (52) to move in opposite directions and respectively abut against the inner long side surfaces of the two cover plates (101) facing each other.

9. The top cover engraving and positioning device according to claim 1, characterized in that: The positioning mechanism further comprises a third long side positioning component (6) corresponding to each of the conductive blocks (102), the third long side positioning component (6) comprising a third driving member (61) and a third long side positioning component (62) arranged at the output end of the third driving member (61), the third driving member (61) being arranged on the platform (1) and on the same side as the first driving member, and being capable of driving the third long side positioning component (62) to abut against the side surface of the conductive block (102) which is on the same side as the outer long side of the cover plate (101).

10. The top cover coding positioning device according to claim 1, characterized in that: The positioning mechanism further comprises a detection member (7), wherein the detection member (7) is arranged on the platform (1) and is used to detect whether the cover plate (101) is tilted.

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