Four-side positioning mechanism of secondary positioning table

Abstract

The utility model discloses a four-side positioning mechanism of a secondary positioning table, which comprises a base, a stand column, a bottom plate, a push block, a positioning block, a rotating shaft, a fixed column, a rotating bearing, a linkage rod, a joint bearing, a sliding component and a push block driving device, the four pushing blocks are movably arranged at the opening positions of the four edges of the bottom plate respectively, the at least four positioning blocks are connected with the corresponding pushing blocks respectively, the rotating shaft comprises a shaft body and a rotating disc, an output rod of the pushing block driving device is in transmission connection with the bottom face of the rotating shaft through a knuckle bearing, and the four linkage rods are in transmission connection with the rotating disc. And the push block driving device can drive the rotating shaft to rotate and is in transmission connection with the push blocks through the linkage rods, so that the positioning blocks are driven to be synchronously closed towards the center or synchronously opened outwards. According to the utility model, the single push block driving device is adopted to rotate the turntable, and secondary positioning and reverse opening of the pole piece are realized through linkage, so that the positioning efficiency and accuracy are improved, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, and more specifically, to a four-side positioning mechanism of a secondary positioning table. Background Art

[0002] During the production and manufacturing process of battery products, a laminator generally consists of a feeding mechanism, a cassette mechanism, a secondary positioning mechanism, a feeding mechanism, a laminating mechanism, a gluing mechanism, and a discharging mechanism. Among them, the role of the secondary positioning mechanism is to accurately position and fix the pole piece to ensure the accuracy and consistency of the pole piece during battery assembly. The existing secondary positioning mechanisms usually use a simple combination of multiple positioning blocks and their corresponding multiple cylinders to achieve synchronous positioning requirements. However, the multiple cylinders may result in low positioning accuracy of the pole piece due to installation errors, mechanical wear, or insufficient synchronous movement. In addition, the multiple cylinders make equipment maintenance cumbersome, increasing downtime and costs. Therefore, it is necessary to design a four-side positioning mechanism for a secondary positioning table that can link the positioning blocks on its four sides and simultaneously close to perform secondary positioning on the pole piece, with high positioning accuracy and convenient debugging. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art, and provide a four-side positioning mechanism for a secondary positioning table that can link the positioning blocks and realize secondary positioning and reverse opening of the pole piece through a single driving device, with high positioning efficiency and accuracy, and good synchronous stability.

[0004] To achieve the above-mentioned purpose, the utility model provides a four-side positioning mechanism of a secondary positioning table, including a base, a column, a bottom plate, a push block, a positioning block, a rotating shaft, a fixed column, a rotating bearing, a connecting rod, a joint bearing, a sliding assembly, and a push block driving device. The bottom plate is fixedly arranged above the base through the column, and the push blocks are provided with four and are movably arranged at the openings on the four sides of the bottom plate, and the positioning blocks are provided with at least four and are respectively connected to the corresponding push blocks through connecting pieces and are translationally arranged on the top surface of the bottom plate, and each positioning block is combined to form a rectangular structure for positioning the pole piece, and the rotating shaft includes a shaft body and a turntable connected to the bottom end of the shaft body, and the shaft body is rotatably sleeved on the bottom plate through two clamps. The outer wall of the fixed column fixedly arranged at the bottom center of the plate, the rotating bearing is rotatably arranged between the two clamps, the push block driving device is horizontally and rotatably installed on one side of the bottom surface of the base plate, the output rod of the push block driving device is transmission connected with the bottom surface of the rotating shaft through a joint bearing, the four connecting rods are provided and one end of each connecting rod is respectively connected to the bottom surface of the turntable through respective joint bearings, the other end of each connecting rod is respectively connected with the sliding assembly slidably connected to each push block through a joint bearing, the push block driving device can drive the rotating shaft to rotate and is transmission connected with each push block through each connecting rod, thereby driving each positioning block connected with the respective corresponding push block to close synchronously toward the center or open synchronously outward.

[0005] Preferably, the sliding components are configured as slide rails and sliders, the bottom surfaces of the slide rails are respectively arranged on one side of each push block in parallel along the moving direction of the push block, the top surface of the slider is slidably connected to the bottom surface of the slide rails, and one side of the bottom surface of the push block is fixedly connected to the bottom surface of the slider.

[0006] Preferably, the outer wall of the top end of the rotating shaft is provided with an annular limiting groove for one of the clamps to engage, the shaft is provided with an annular limiting protrusion at the top of the turntable, and the other clamp is fixedly sleeved on the annular limiting protrusion.

[0007] Preferably, the push block driving device is configured as a servo-driven cylinder.

[0008] Preferably, it further includes an articulated seat, the top surface of which is fixedly connected to the bottom surface of the base plate, the bottom of which is provided with a horizontally arranged articulated groove, and the mounting portion of the servo drive cylinder is hinged to the outer side wall of the articulated groove.

[0009] Preferably, the connecting parts are configured as adjustment blocks, the longitudinal section of the adjustment blocks are configured as an inverted L-shaped structure, the vertical section of the adjustment block is provided with at least one first adjustment hole for adjusting the position of the positioning block, and the horizontal section of the adjustment block is provided with two second adjustment holes along its length direction for adjusting its position on the push block.

[0010] Preferably, at least one first threaded hole corresponding to the first adjustment hole is formed on the back surface of each positioning block, and second threaded holes corresponding to the second adjustment holes of their respective adjustment blocks are formed in parallel on the top surface of each push block.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] The present utility model is novel and reasonably designed. It uses a single push block driving device to rotate the turntable. The turntable drives the push blocks and positioning blocks located on the four sides of the bottom plate to close and open synchronously through a linkage rod, so as to realize the secondary positioning and reverse opening of the pole piece, effectively improving the positioning efficiency and accuracy of the pole piece. Compared with the traditional multi-cylinder scheme, the structure of the four-side positioning mechanism is more compact, the synchronous stability is good, it is convenient for operation and debugging, and the maintenance cost is low. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is a top view structural schematic diagram of a four-side positioning mechanism of a secondary positioning table provided by an embodiment of the present utility model;

[0015] Figure 2 It is a bottom view structural schematic diagram of a four-side positioning mechanism of a secondary positioning table provided by an embodiment of the present utility model;

[0016] Figure 3 It is a partial structural enlarged schematic diagram of a four-side positioning mechanism of a secondary positioning table provided by an embodiment of the present utility model;

[0017] Figure 4 It is a partial structural enlarged schematic diagram of a four-side positioning mechanism of a secondary positioning table provided by an embodiment of the present utility model;

[0018] Figure 5 It is an exploded schematic diagram of a rotating shaft and a clamp of a four-side positioning mechanism of a secondary positioning table provided by an embodiment of the present utility model;

[0019] Figure 6 It is a working schematic diagram of a four-side positioning mechanism of a secondary positioning table provided by an embodiment of the present utility model. Detailed Embodiments

[0020] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Please refer to Figure 1 The embodiment of the utility model provides a four-side positioning mechanism of a secondary positioning platform, including a base 1, a column 11, a bottom plate 12, a push block 2, a positioning block 3, a rotating shaft 4, a fixed column 41, a rotating bearing 42, a connecting rod 5, a joint bearing 51, a sliding assembly 6, a push block driving device 7 and other components. The following is a detailed description of each component of this embodiment in conjunction with the accompanying drawings.

[0022] like Figure 1 As shown, the bottom plate 12 can be fixedly set above the base 1 by the column 11, four push blocks 2 are provided and are movably set at the openings on the four sides of the bottom plate 12, at least four positioning blocks 3 are provided and are respectively connected to the corresponding push blocks 2 through connecting parts and are translationally set on the top surface of the bottom plate 12, and each positioning block 3 is combined to form a rectangular structure for positioning the pole piece.

[0023] like Figure 2 and Figure 4 As shown, the rotating shaft 4 may include an axis body 401 and a rotating disk 402 connected to the bottom end of the axis body 401, the axis body 401 is rotatably sleeved on the outer wall of a fixed column 41 fixedly arranged at the bottom center of the bottom plate 12 through two clamps 8, the rotating bearing 42 is rotatably arranged between the two clamps 8, the push block driving device 7 is horizontally and rotatably installed on one side of the bottom surface of the bottom plate 12, the output rod of the push block driving device 7 is transmission connected to the bottom surface of the rotating shaft 4 through a joint bearing 51, four connecting rods 5 are provided and one end of each connecting rod 5 is respectively connected to the bottom surface of the rotating disk 402 through respective joint bearings 51, the other end of each connecting rod 5 is respectively connected to the sliding assembly 6 slidably connected to each push block 2 through the joint bearing 51, the push block driving device 7 can drive the rotating shaft 4 to rotate and is transmission connected to each push block 2 through each connecting rod 5, thereby driving each positioning block 3 connected to the respective corresponding push block 2 to close synchronously toward the center or open synchronously outward.

[0024] Among them, the fixed column 41 and the rotating bearing 42 are installed in coordination with the rotating shaft 4. The fixed column 41 provides support for the rotating shaft 4, and the rotating bearing 42 can reduce friction, thereby ensuring the smooth operation and stability of the rotating shaft 4 and ensuring the reliability and accuracy of the equipment during long-term operation.

[0025] As Figure 3 shown, the sliding assembly 6 can be set as a slide rail 61 and a slider 62. The bottom surfaces of the slide rails 61 are respectively arranged on one side of each push block 2 in parallel with the moving direction of the push block 2. The top surface of the slider 62 is slidably connected to the bottom surface of the slide rail 61, and one side of the bottom surface of the push block 2 is fixedly connected to the bottom surface of the slider 62. Among them, the sliding assembly 6 can ensure the smooth connection between the push block 2 and the linkage rod 5, improve the transmission efficiency of the push block 2, and make each action unobstructed.

[0026] As Figure 5 shown, specifically, an annular limiting groove 403 for clamping one of the clamps 8 can be provided on the outer wall of the top end of the shaft body 401 of the rotating shaft 4. The shaft body 401 is provided with an annular limiting convex portion 404 at the top of the turntable 402, and the other clamp 8 is fixedly sleeved on the annular limiting convex portion 404.

[0027] Preferably, the push block driving device 7 can be set as a servo driving cylinder, which has smoother movement and more sensitive response.

[0028] During specific implementation, power is provided by a single servo driving cylinder to rotate the turntable 402, and the linear motion of the servo driving cylinder is converted into rotational motion by rotating the turntable 402.

[0029] Preferably, it further includes a hinge seat 9. The top surface of the hinge seat 9 is fixedly connected to the bottom surface of the bottom plate 12. A horizontally arranged hinge groove 91 is provided at the bottom of the hinge seat 9, and the installation part of the servo driving cylinder is hinged to the outer side wall of the hinge groove 91.

[0030] In this embodiment, the connecting pieces are all set as adjusting blocks 21. The longitudinal section of the adjusting block 21 is set as an inverted L-shaped structure. At least one first adjusting hole 211 for adjusting the position of the positioning block 3 is provided on the vertical section of the adjusting block 21, and two second adjusting holes 212 for adjusting its position on the push block 2 are provided on the horizontal section of the adjusting block 21 along its length direction.

[0031] Further, at least one first threaded hole 31 corresponding to the first adjusting hole 211 is provided on the back surface of each positioning block 3, and second threaded holes 22 corresponding to the second adjusting holes 212 of their respective adjusting blocks 2 are provided in parallel on the top surface of each push block 2.

[0032] As Figure 6As shown, in specific implementation, first place the pole piece 10 at the center position of the bottom plate between each positioning block 3. Each pushing block 2 is in an outward-expanded state and keeps a certain distance from the bottom plate. After starting the pushing block driving device 7, the output rod of the pushing block driving device 7 is connected to the rotating shaft 4 through the spherical plain bearing 51, so that the turntable 42 of the rotating shaft 4 rotates and drives each linkage rod 5 to swing. Thus, each linkage rod 5 respectively pushes the slider 62 connected to the pushing block 2 to slide on the slide rail 61, so that each positioning block 3 closes towards the center direction and abuts against the four sides of the pole piece 10, thereby realizing the synchronous secondary positioning of the pole piece 10. After the positioning is completed, the pushing block driving device 7 moves in the reverse direction and drives the turntable 402 to reverse, releasing the positioned pole piece 10 for subsequent operations.

[0033] In summary, the present utility model is novel and reasonably designed. A single pushing block driving device is used to rotate the turntable. The turntable drives the synchronous closing and opening of the pushing blocks and positioning blocks located at the four sides of the bottom plate through the linkage rods to realize the secondary positioning and reverse opening of the pole piece, effectively improving the positioning efficiency and accuracy of the pole piece. Compared with the traditional multi-cylinder scheme, the structure of the four-side positioning mechanism is more compact, with good synchronous stability, convenient for operation and debugging, and low maintenance cost.

[0034] The above embodiments are the preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present utility model shall be equivalent replacement methods and are all included in the protection scope of the present utility model.

Claims

1. A four-side positioning mechanism of a secondary positioning table, characterized in that: The invention comprises a base (1), a column (11), a bottom plate (12), a push block (2), a positioning block (3), a rotating shaft (4), a fixed column (41), a rotating bearing (42), a connecting rod (5), a joint bearing (51), a sliding assembly (6), and a push block driving device (7). The bottom plate (12) is fixedly arranged above the base (1) through the column (11). The push block (2) is provided with four push blocks and is movably arranged at the openings on the four sides of the bottom plate (12). The positioning blocks (3) are provided with at least four push blocks and are connected to the corresponding push blocks (2) through connecting pieces and are translationally arranged on the top surface of the bottom plate (12). Each positioning block (3) is combined to form a rectangular structure for positioning the pole piece. The rotating shaft (4) comprises a shaft body (401) and a rotating disk (402) connected to the bottom end of the shaft body (401). The shaft body (401) is rotatably sleeved on the bottom plate (12) through two clamps (8). ) is fixedly arranged on the outer wall of a fixed column (41) at the bottom center, the rotating bearing (42) is rotatably arranged between two clamps (8), the push block driving device (7) is horizontally rotatably installed on one side of the bottom surface of the base plate (12), the output rod of the push block driving device (7) is transmission-connected to the bottom surface of the rotating shaft (4) through a joint bearing (51), four connecting rods (5) are provided and one end of each connecting rod (5) is respectively connected to the bottom surface of the turntable (402) through a joint bearing (51), the other end of each connecting rod (5) is respectively connected to a sliding assembly (6) slidably connected to each push block (2) through a joint bearing (51), the push block driving device (7) can drive the rotating shaft (4) to rotate and be transmission-connected to each push block (2) through each connecting rod (5), thereby driving each positioning block (3) connected to the corresponding push block (2) to close synchronously toward the center or open synchronously outward.

2. The four-side positioning mechanism of the secondary positioning platform according to claim 1, characterized in that: The sliding assembly (6) is configured as a sliding rail (61) and a sliding block (62), the bottom surface of the sliding rail (61) being respectively arranged on one side of each push block (2) in parallel along the moving direction of the push block (2), the top surface of the sliding block (62) being slidably connected to the bottom surface of the sliding rail (61), and one side of the bottom surface of the push block (2) being fixedly connected to the bottom surface of the sliding block (62).

3. The four-side positioning mechanism of the secondary positioning platform according to claim 1, characterized in that: The outer wall at the top end of the shaft body (401) of the rotating shaft (4) is provided with an annular limiting groove (403) for one of the clamps (8) to engage with. The shaft body (401) is provided with an annular limiting convex portion (404) at the top of the rotating disk (402), and the other clamp (8) is fixedly sleeved on the annular limiting convex portion (404).

4. The four-side positioning mechanism of the secondary positioning platform according to claim 1, characterized in that: The push block driving device (7) is configured as a servo drive cylinder.

5. The four-side positioning mechanism of the secondary positioning platform according to claim 4, characterized in that: It also includes an articulated seat (9), the top surface of which is fixedly connected to the bottom surface of the base plate (12), the bottom of which is provided with a horizontally arranged articulated groove (91), and the mounting portion of the servo drive cylinder is articulated with the outer side wall of the articulated groove (91).

6. The four-side positioning mechanism of the secondary positioning platform according to claim 1, characterized in that: The connecting members are all arranged as adjustment blocks (21), the longitudinal section of the adjustment block (21) being arranged as an inverted L-shaped structure, the vertical section of the adjustment block (21) being provided with at least one first adjustment hole (211) for adjusting the position of the positioning block (3), and the horizontal section of the adjustment block (21) being provided with two second adjustment holes (212) along its length direction for adjusting its position on the push block (2).

7. The four-side positioning mechanism of the secondary positioning platform according to claim 6, characterized in that: The back surface of each positioning block (3) is provided with at least one first threaded hole (31) corresponding to the first adjustment hole (211), and the top surface of each push block (2) is provided with a second threaded hole (22) corresponding to the second adjustment hole (212) of the respective adjustment block (21) in parallel.

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