Positioning clamp for battery cover plate machining

Abstract

The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for processing a battery cover plate, which comprises a fixture table, a guide strip-shaped groove is arranged at the center of the top surface of the fixture table, guide levers are fixedly connected to two sides of the inner wall of the guide strip-shaped groove, and a transmission lead screw is rotatably connected to the center of the inner wall of the guide strip-shaped groove. The clamping device has the advantages that the two-way transmission lead screw is rotated to rotate, the sliding bottom plates on the two sides can be driven to slide close to or away from each other, meanwhile, the two clamping assemblies are driven to slide close to or away from each other synchronously, and battery cover plates with different lengths are positioned and fixed left and right by adjusting the distance between the left positioning plate and the right positioning plate; a plurality of sliding seats are driven by a transmission lead screw to slide towards one side at the same time, so that clamping push plates are pushed to a top plate, the two sides of a battery cover plate are clamped, the battery cover plate is clamped and positioned all around, the distance between a left positioning plate and a right positioning plate can be adjusted, and the battery cover plate fixing device adapts to fixing of battery cover plates with different lengths.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for processing a battery cover. Background Art

[0002] With the rapid development of new energy vehicles, China has higher requirements for the range of new energy vehicles. The market mainly relies on optimizing the battery production process to increase the energy inside the battery and reduce unnecessary losses to ensure that the car has a longer range. At present, it is particularly important to reduce costs and increase speed in the production of power batteries. Based on this, it is necessary to design a cover positioning fixture that can realize the function of simultaneously positioning multiple cover plates and improve production efficiency.

[0003] A battery cover positioning fixture is disclosed in the Chinese utility model CN211208490U. The battery cover positioning fixture has a simple structure, does not involve gas circuits and lines, avoids the wiring entanglement problem from the installation to the moving and rotating stations of the fixture, and can realize the simultaneous positioning of multiple battery cover products, thereby improving work efficiency. However, the battery cover positioning fixture still has the following problems in use:

[0004] The battery cover plate positioning fixture limits the positioning of the battery cover plate in the length direction through the first fixing blocks on both sides, so that it can only adapt to battery covers of a single length and cannot adapt to the positioning and fixing of battery covers of different lengths. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the present invention is to provide a positioning fixture for processing a battery cover plate, so as to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a positioning fixture for processing a battery cover, including a fixture table, a guide strip groove is opened at the center of the top surface of the fixture table, guide bars are fixedly connected to the inner walls of the guide strip groove on both sides, a transmission screw is rotatably connected to the center of the inner wall of the guide strip groove, a plurality of sliding seats are slidably connected to the outer walls of the two guide bars, the centers of the plurality of sliding seats are threadedly connected to the transmission screw, a first servo motor is fixedly connected to the center of the bottom of one side surface of the fixture table, the output end of the first servo motor is fixedly connected to one end of the transmission screw, guide notches are opened at both sides of the top surface of the fixture table, guide grooves are opened at the centers of the inner walls of the plurality of guide notches, and the left and right sides correspond to each other. The two guide wheels are connected with the two bidirectional transmission screws at the center of the bottom of the inner wall of the guide grooves, and the positive and negative threads on both sides of the surface of the bidirectional transmission screw are respectively located inside the two guide grooves, and the inner walls of several guide grooves are slidably connected to the sliding base plate, one side of the middle part of the bottom surface of the sliding base plate is fixedly connected with a connecting plate, and the connecting plate is threadedly connected to the bidirectional transmission screw. The top surface of the sliding base plate is fixedly connected with a clamping assembly, and the clamping assembly includes a top plate and left and right positioning plates, and the left and right positioning plates are fixedly connected to one side of the top plate, and the top plates and left and right positioning plates of the two clamping assemblies corresponding to the left and right are symmetrically arranged on the left and right, and a clamping push plate is provided at the center of the top of the sliding seat, and the clamping push plate is located at the center between the two corresponding clamping assemblies on the left and right.

[0008] Preferably, one end of several of the bidirectional transmission screws passes through the outer wall of the fixture table, one side of several of the bidirectional transmission screws passing through the outer wall of the fixture table is fixedly connected to a driven worm gear, one side of the fixture table is rotatably connected to a transmission worm, and the transmission worm is meshingly connected to several driven worm gears at the same time, a second servo motor is fixedly connected to the edge of one side of the fixture table, and the output end of the second servo motor is fixedly connected to one end of the transmission worm.

[0009] The technical effect achieved by adopting the above solution is: a plurality of bidirectional transmission screws are driven to rotate at the same time, and the spacing of a plurality of clamping components can be adjusted at the same time.

[0010] Preferably, any of the above schemes has the top surfaces of the sliding seats being coplanar with the top surface of the fixture table, the top surface of the sliding bottom plate being coplanar with the top surface of the fixture table, and the width of the sliding bottom plate being matched with the width of the inner wall of the guide slot.

[0011] The technical effect achieved by adopting the above solution is: making the clamp table and the sliding bottom plate coplanar, so that the bottom surface of the clamped battery cover plate is supported horizontally.

[0012] Preferably, in any of the above schemes, a positioning connecting plate is fixedly connected to the middle part of the top surface of several sliding seats, a plurality of guide columns penetrating the positioning connecting plate are slidably connected to the surface of the positioning connecting plate, one end of several guide columns are commonly fixedly connected to the clamping push plate, a pressure-sensitive switch is fixedly connected to the side of the positioning connecting plate close to the clamping push plate, and the pressure-sensitive switch is used to control the opening and closing of the first servo motor.

[0013] The technical effect achieved by adopting the above scheme is: after the clamping push plate presses the battery cover, the reaction force presses the pressure-sensitive switch, and after reaching the pressure threshold, the first servo motor is controlled to shut down to prevent excessive pressure from damaging the battery cover.

[0014] Preferably, any of the above schemes is that the left and right positioning plates are tilted, and the two corresponding left and right positioning plates are symmetrically arranged in an eight-shaped structure, and the opening direction of the eight-shaped structure of the two corresponding left and right positioning plates corresponds to the position of the clamping push plate.

[0015] The technical effect achieved by adopting the above solution is that the figure-eight structure has a guiding effect, and when the clamping push plate pushes the battery cover plate toward the left and right positioning plates, it can guide and position it to the center of the fixture table.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] The positioning fixture for processing the battery cover can drive the sliding bottom plates on both sides to slide closer to or away from each other by rotating the bidirectional transmission screw, and at the same time drive the two clamping components to slide closer to or away from each other synchronously, and realize the left and right positioning and fixation of battery covers of different lengths by adjusting the spacing between the two left and right positioning plates. The transmission screw drives a plurality of sliding seats to slide to one side at the same time, so that the clamping push plate is pushed toward the top plate, so that the two sides of the battery cover are clamped, so that the battery cover is clamped and positioned front, back, left and right, and the spacing between the left and right positioning plates can be adjusted to adapt to the fixation of battery covers of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the top surface structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0021] In the figure: 1-clamp table, 2-guide strip groove, 3-drive screw, 4-guide bar, 5-sliding seat, 6-positioning connecting plate, 7-clamping push plate, 8-pressure sensitive switch, 9-guide slot, 10-sliding bottom plate, 11-clamping assembly, 111-top plate, 112-left and right positioning plates, 12-first servo motor, 13-second servo motor, 14-bidirectional drive screw, 15-driven worm gear. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] Embodiment 1: Figures 1 to 3 As shown, a positioning fixture for processing a battery cover plate comprises a fixture table 1, a guide strip groove 2 is provided at the center of the top surface of the fixture table 1, guide bars 4 are fixedly connected to the inner walls of the guide strip groove 2 on both sides, a transmission screw 3 is rotatably connected to the center of the inner wall of the guide strip groove 2, a plurality of sliding seats 5 are slidably connected to the outer walls of the two guide bars 4, the centers of the plurality of sliding seats 5 are threadedly connected to the transmission screw 3, a first servo motor 12 is fixedly connected to the center of the bottom of one side surface of the fixture table 1, the output end of the first servo motor 12 is fixedly connected to one end of the transmission screw 3, guide notches 9 are provided on both sides of the top surface of the fixture table 1, guide channels 19 are provided at the centers of the inner walls of the plurality of guide notches 9, and the centers of the bottoms of the inner walls of the two corresponding guide channels 19 on the left and right are rotatably connected together. It is connected to a bidirectional transmission screw 14, and the positive and negative threads on both sides of the surface of the bidirectional transmission screw 14 are respectively located inside the two guide grooves 19. The inner walls of the guide grooves 9 are slidably connected to a sliding base plate 10, and a connecting plate 20 is fixedly connected to one side of the middle of the bottom surface of the sliding base plate 10. The connecting plate 20 is threadedly connected to the bidirectional transmission screw 14. The top surface of the sliding base plate 10 is fixedly connected to a clamping assembly 11, and the clamping assembly 11 includes a top plate 111 and left and right positioning plates 112. The left and right positioning plates 112 are fixedly connected to one side of the top plate 111. The top plates 111 and left and right positioning plates 112 of the two corresponding clamping assemblies 11 on the left and right are symmetrically arranged on the left and right. A clamping push plate 7 is arranged at the center of the top of the sliding seat 5, and the clamping push plate 7 is located at the center between the two corresponding clamping assemblies 11 on the left and right.

[0024] As an optional technical solution of the present invention, one end of several bidirectional transmission screws 14 passes through the outer wall of the clamp table 1, and one side of the several bidirectional transmission screws 14 passing through the outer wall of the clamp table 1 is fixedly connected with a driven worm gear 15, and one side of the clamp table 1 is rotatably connected with a transmission worm 16, and the transmission worm 16 is simultaneously meshed and connected with several driven worm gears 15, and a second servo motor 13 is fixedly connected to the edge of one side of the clamp table 1, and the output end of the second servo motor 13 is fixedly connected to one end of the transmission worm 16. When the transmission worm 16 is driven to rotate by the second servo motor 13, several driven worm gears 15 can be driven to rotate synchronously at the same time, thereby driving several bidirectional transmission screws 14 to rotate at the same time, and the spacing of multiple clamping assemblies 11 can be adjusted at the same time.

[0025] As an optional technical solution of the present invention, the top surfaces of several sliding seats 5 are coplanar with the top surface of the clamp table 1, the top surface of the sliding base plate 10 is coplanar with the top surface of the clamp table 1, and the width of the sliding base plate 10 is adapted to the width of the inner wall of the guide groove 9, so that the clamp table 1 and the sliding base plate 10 are coplanar, so that the bottom surface of the clamped battery cover is horizontally supported.

[0026] As an optional technical solution of the present utility model, a plurality of sliding seats 5 are fixedly connected to the middle part of the top surface with a positioning connecting plate 6, and a plurality of guide columns 18 penetrating the positioning connecting plate 6 are slidably connected to the surface of the positioning connecting plate 6, and one end of the plurality of guide columns 18 are commonly fixedly connected to the clamping push plate 7, and a pressure-sensitive switch 8 is fixedly connected to the side of the positioning connecting plate 6 close to the clamping push plate 7. The pressure-sensitive switch 8 is used to control the opening and closing of the first servo motor 12. After the clamping push plate 7 presses the battery cover, the reaction force presses toward the pressure-sensitive switch 8. After the pressure threshold is reached, the first servo motor 12 is controlled to shut down to prevent excessive pressure from damaging the battery cover.

[0027] As an optional technical solution of the utility model, the left and right positioning plates 112 are tilted, and the two corresponding left and right positioning plates 112 are symmetrically arranged in an eight-shaped shape. The opening direction of the eight-shaped structure of the two corresponding left and right positioning plates 112 corresponds to the position of the clamping push plate 7. The eight-shaped structure has a guiding effect. When the clamping push plate 7 pushes the battery cover toward the left and right positioning plates 112, it can be guided to be positioned at the center of the fixture table 1.

[0028] A positioning fixture for processing a battery cover, the working principle is as follows:

[0029] 1) By rotating the bidirectional transmission screw 14, the sliding base plates 10 on both sides can be driven to slide closer to or away from each other, and at the same time, the two clamping assemblies 11 can be driven to slide closer to or away from each other synchronously, and the spacing between the two left and right positioning plates 112 can be adjusted;

[0030] 2) The plurality of sliding seats 5 are driven to slide to one side at the same time by the transmission screw 3, so that the clamping push plate 7 is pushed toward the top plate 111;

[0031] 3) The battery cover is clamped on both sides, so that the battery cover is clamped and positioned in the front, back, left and right directions, and the distance between the left and right positioning plates 112 can be adjusted to accommodate the fixation of battery covers of different lengths.

[0032] To sum up, the positioning fixture for processing the battery cover can drive the sliding bottom plates 10 on both sides to slide closer to or away from each other by rotating the bidirectional transmission screw 14, and at the same time drive the two clamping components 11 to slide closer to or away from each other synchronously, and by adjusting the spacing between the two left and right positioning plates 112, the left and right positioning and fixation of battery covers of different lengths can be achieved. The transmission screw 3 drives several sliding seats 5 to slide to one side at the same time, so that the clamping push plate 7 is pushed toward the top plate 111, so that the two sides of the battery cover are clamped, so that the battery cover is clamped and positioned front, back, left and right, and the spacing between the left and right positioning plates 112 can be adjusted to adapt to the fixation of battery covers of different lengths.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for processing a battery cover, characterized in that: The clamping platform (1) comprises a fixture table (1), wherein a guide strip groove (2) is provided at the center of the top surface of the fixture table (1), guide bars (4) are fixedly connected to the inner walls of the guide strip groove (2) on both sides, a transmission screw (3) is rotatably connected to the inner walls of the guide strip groove (2), a plurality of sliding seats (5) are slidably connected to the outer walls of the two guide bars (4), the centers of the plurality of sliding seats (5) are threadedly connected to the transmission screw (3), a first servo motor (12) is fixedly connected to the center of the bottom of one side surface of the fixture table (1), an output end of the first servo motor (12) is fixedly connected to one end of the transmission screw (3), guide notches (9) are provided at both sides of the top surface of the fixture table (1), a plurality of guide grooves (19) are provided at the centers of the inner walls of the guide notches (9), a bidirectional transmission screw (14) is rotatably connected to the centers of the inner walls of the two corresponding guide grooves (19) on the left and right, and the The positive and negative threads on both sides of the surface of the bidirectional transmission screw (14) are respectively located inside the two guide grooves (19), and the inner walls of the guide grooves (9) are slidably connected to a sliding base plate (10), and a connecting plate (20) is fixedly connected to one side of the middle part of the bottom surface of the sliding base plate (10), and the connecting plate (20) is threadedly connected to the bidirectional transmission screw (14), and the top surface of the sliding base plate (10) is fixedly connected to a clamping assembly (11), and the clamping assembly (11) includes a top plate (111) and left and right positioning plates (112), and the left and right positioning plates (112) are fixedly connected to one side of the top plate (111), and the top plates (111) and left and right positioning plates (112) of the two corresponding clamping assemblies (11) on the left and right are symmetrically arranged on the left and right, and a clamping push plate (7) is arranged at the center of the top of the sliding seat (5), and the clamping push plate (7) is located at the center between the two corresponding clamping assemblies (11) on the left and right.

2. A positioning fixture for processing a battery cover according to claim 1, characterized in that: One ends of the plurality of bidirectional transmission lead screws (14) pass through the outer wall of the fixture table (1); one side of the plurality of bidirectional transmission lead screws (14) passing through the outer wall of the fixture table (1) is fixedly connected to a driven worm gear (15); one side of the fixture table (1) is rotatably connected to a transmission worm (16); the transmission worm (16) is simultaneously meshed with the plurality of driven worm gears (15); a second servo motor (13) is fixedly connected to the edge of one side of the fixture table (1); and the output end of the second servo motor (13) is fixedly connected to one end of the transmission worm (16).

3. A positioning fixture for processing a battery cover according to claim 2, characterized in that: The top surfaces of the plurality of sliding seats (5) are coplanar with the top surface of the fixture table (1), the top surface of the sliding bottom plate (10) is coplanar with the top surface of the fixture table (1), and the width of the sliding bottom plate (10) is adapted to the width of the inner wall of the guide slot (9).

4. A positioning fixture for processing a battery cover according to claim 3, characterized in that: A positioning connecting plate (6) is fixedly connected to the middle of the top surface of the plurality of sliding seats (5), a plurality of guide columns (18) penetrating the positioning connecting plate (6) are slidably connected to the surface of the plurality of guide columns (18), one end of the plurality of guide columns (18) is fixedly connected to the clamping push plate (7), a pressure-sensitive switch (8) is fixedly connected to a side of the positioning connecting plate (6) close to the clamping push plate (7), and the pressure-sensitive switch (8) is used to control the opening and closing of the first servo motor (12).

5. A positioning fixture for processing a battery cover according to claim 4, characterized in that: The left and right positioning plates (112) are arranged at an angle, and the two corresponding left and right positioning plates (112) are arranged symmetrically in an eight-shaped structure, and the opening direction of the eight-shaped structure of the two corresponding left and right positioning plates (112) corresponds to the position of the clamping push plate (7).

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