Welding fixture capable of automatically switching product types
By designing a welding fixture that automatically switches between product types, and employing forward and reverse switching units and multi-point clamping technology, the limitations of traditional welding fixtures in terms of variety and insufficient positioning accuracy have been solved, enabling efficient and precise welding of battery trays and improving the flexibility of the production line.
Patent Information
- Application Number
- CN202520130870.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Traditional welding fixtures can only fix a limited number of products, resulting in high costs and low efficiency in changing fixtures and insufficient welding positioning accuracy, which affects the production flexibility and quality of battery trays.
Design a welding fixture that automatically switches between product types. It adopts a forward/reverse switching unit, a battery tray identification and positioning component, and front and middle positioning components. Multi-point clamping is achieved through stroke electric cylinder and pneumatic cylinder drive to ensure accurate positioning and efficient welding of different battery tray models.
It improves the flexibility and responsiveness of the production line, reduces downtime for changing fixtures, lowers labor costs, ensures high-precision welding quality for battery trays of different specifications, and enhances the versatility and adaptability of the equipment.
Smart Images
Figure CN223876401U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welding fixture technical field especially relates to a kind of welding fixture of automatic switching product variety. BACKGROUND
[0002] With the rapid development of new energy vehicles, energy storage systems and other fields, battery tray, as a crucial component in these systems, the welding quality in its production process directly affects the performance and safety of the product, and welding is a key technology in the assembly process of battery tray, and in order to improve the welding efficiency and quality, the application of automatic welding fixture becomes more and more important.
[0003] Traditional welding fixture can usually only fix one or a few specific sizes and shapes of products, when different models or specifications of battery tray need to be processed, different fixtures often need to be replaced, which not only increases the complexity and cost of production, but also reduces the flexibility and response speed of the production line, in addition, the positioning accuracy between front and rear panels and water-cooled plates in the welding process of traditional fixture is insufficient, which leads to welding position deviation, ultimately affecting the quality and reliability of the final product, and the mode of assembling one battery tray and welding another battery tray is extremely inefficient, which is not conducive to the realization of large-scale production by enterprises.
[0004] Therefore, the inventor has redesigned a welding fixture capable of automatically switching product variety to solve the above problems. CONTENT OF UTILITY MODEL
[0005] In view of the defects of the prior art, the utility model provides a welding fixture capable of automatically switching product variety, aiming to solve the problems of traditional welding fixture that can only fix limited types of products, high cost and low efficiency of replacing fixtures and insufficient welding positioning accuracy.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a welding fixture capable of automatically switching product variety, comprising a forward-reverse switching unit, the forward-reverse switching unit is provided with a front work position and a rear work position on its front and rear surfaces, and both ends of the two are provided with a welding plate clamping unit, the welding plate clamping unit comprises a battery tray identification and positioning assembly, a front end positioning assembly and a middle positioning assembly located between the battery tray identification and positioning assembly and the front end positioning assembly, the front end positioning assembly is used for clamping a front panel, the middle positioning assembly is used for clamping a water-cooled plate, the battery tray identification and positioning assembly comprises a stroke electric cylinder, a bearing sliding plate provided at the output end of the stroke electric cylinder and a rear end positioning component arranged at the upper end of the bearing sliding plate, the bearing sliding plate is slidingly fitted on the forward-reverse switching unit, the rear end positioning component is used for clamping a rear panel, and the stroke electric cylinder drives the rear panel to approach the water-cooled plate until it touches the water-cooled plate.
[0007] Based on the above, the automatic switching product type welding fixture has the beneficial effects of solving the problems of the traditional welding fixture that can only fix limited types of products, high cost and low efficiency of replacing the fixture, and insufficient welding positioning accuracy. The main advantages are:
[0008] 1. The utility model discloses a positive and negative switching unit, which realizes seamless switching between loading battery tray parts and welding battery tray steps. When the worker completes the installation of the battery tray parts on the positive working position, the positive and negative switching unit can immediately rotate the assembled battery tray to the negative working position for welding. At the same time, the battery tray that has been welded on the negative working position is sent back to the positive working position for the worker to disassemble and start the assembly of the next battery tray parts. Each working position is equipped with two welding plate clamping units, allowing simultaneous processing of two battery tray assembly or welding tasks. This design improves the flexibility and response speed of the production line, greatly reduces the downtime caused by changing different fixtures, reduces labor costs, and speeds up the overall work efficiency.
[0009] 2. The utility model discloses a battery tray identification and positioning assembly for accurate positioning and identification of different models and sizes of battery trays. The rear positioning component is responsible for clamping the rear panel. The stroke electric cylinder drives the rear positioning component to move towards the water-cooled plate direction through the bearing sliding plate until the output end of the water-cooled plate rear top air cylinder in the rear positioning component contacts the rear part of the water-cooled plate. When the pressure sensor of the output end of the water-cooled plate rear top air cylinder detects the preset pressure value, the pressure sensor sends a signal to the stroke electric cylinder to stop advancing and feeds back the stroke information to the control system, thereby confirming the specific model and size of the battery tray and ensuring high-precision welding quality of different specifications of battery trays, greatly enhancing the versatility and adaptability of the equipment.
[0010] Further, the rear positioning component includes a rear end frame, two electrically controlled rotating front clamps, and three rear top air cylinders. The two electrically controlled rotating front clamps are respectively arranged on the upper ends of both sides of the rear end frame, and the three rear top air cylinders are respectively arranged on the left, middle, and right parts of the front side of the upper end of the rear end frame. The output ends of the two electrically controlled rotating front clamps and the output ends of the three rear top air cylinders jointly clamp the front and rear ends of the rear panel.
[0011] Based on the above, the beneficial effects of the output ends of the two electrically controlled rotating front clamps and the output ends of the three rear top cylinders acting on the front and rear ends of the rear panel are that the rear panel can be clamped stably and accurately; the two electrically controlled rotating front clamps are arranged on the upper ends of the rear end frame on both sides, and the three rear top cylinders are located on the left, middle and right parts of the front side of the upper end of the rear end frame, which has the beneficial effect that the rear panel is subjected to uniform pressure at multiple points, thereby avoiding deformation or displacement caused by uneven single-point stress and improving the positional accuracy of the rear panel during welding.
[0012] Further, the front end positioning assembly includes a fine adjustment sliding plate, two electrically controlled rotating rear clamps and three front top cylinders, the fine adjustment sliding plate is slidingly fitted on the forward-reverse switching unit, the two electrically controlled rotating rear clamps are arranged on the middle part of the fine adjustment sliding plate on both sides, and the three front top cylinders are arranged on the left, middle and right parts of the fine adjustment sliding plate, and the output ends of the three front top cylinders and the output ends of the two electrically controlled rotating rear clamps jointly clamp the front and rear ends of the front panel.
[0013] Based on the above, the sliding fitting of the fine adjustment sliding plate on the forward-reverse switching unit has the beneficial effect of realizing accurate adjustment of the position of the front panel; the two electrically controlled rotating rear clamps are arranged on the middle part of the fine adjustment sliding plate on both sides, and the three front top cylinders are located on the left, middle and right parts, which has the beneficial effect of ensuring that the front panel is subjected to uniform pressure at multiple points, thereby avoiding deformation or displacement caused by uneven single-point stress and improving the positional accuracy of the front panel during welding.
[0014] Further, the rear end positioning component further includes three water-cooled plate rear top cylinders, two rear water-cooled plate support frames, a rear panel edge positioning frame located on one side of the rear panel, a rear panel edge pressing cylinder located on the other side of the rear panel, and a rear water-cooled plate welding pressing component located on both sides of the front end of the load-bearing sliding plate, the three water-cooled plate rear top cylinders are arranged on the left, middle and right parts of the load-bearing sliding plate respectively, and the output ends of the three water-cooled plate rear top cylinders are in contact with the rear part of the water-cooled plate through a pressure sensor, the two rear water-cooled plate support frames are arranged on the left and right sides of the middle part of the front end of the load-bearing sliding plate and in front of the three water-cooled plate rear top cylinders, the rear panel edge positioning frame is used to position one side of the rear panel, the output end of the rear panel edge pressing cylinder is used to drive the rear panel to press against the rear panel edge positioning frame to complete the clamping of the left and right directions of the rear panel, and the two rear water-cooled plate welding pressing components cooperate with the two rear water-cooled plate support frames to clamp the rear upper and lower ends of the water-cooled plate.
[0015] Based on the above, the beneficial effects of the three water-cooled plate rear top cylinders arranged on the left, middle and right parts of the bearing sliding plate are to ensure that the water-cooled plate can be uniformly and firmly pressed at the rear, cooperate with the four water-cooled plate front positioning frames of the front end positioning assembly to jointly complete the clamping of the front and rear parts of the water-cooled plate. This multi-point clamping design not only improves the stability of the water-cooled plate, but also reduces the vibration and shaking during welding, thereby ensuring the quality of welding. The beneficial effects of the rear plate edge positioning frame and the rear plate edge top pressing cylinder are to ensure the position accuracy of the left and right rear panels, avoiding welding quality problems caused by position deviation. The beneficial effects of the two rear water-cooled plate support frames are to provide support for the bottom end of the rear part of the water-cooled plate, and cooperate with the rear water-cooled plate welding and pressing components to complete the clamping of the rear part of the water-cooled plate, enhancing the stability of the water-cooled plate.
[0016] Further, the front end positioning assembly further includes four water-cooled plate front positioning frames, two front water-cooled plate support frames, a front plate edge positioning frame located on one side of the front panel, a front plate edge top pressing cylinder located on the other side of the front panel, and two front water-cooled plate welding and pressing components located on both sides in front of the fine adjustment sliding plate. The four water-cooled plate front positioning frames are arranged on the left, middle and right parts of the front end of the forward-reverse switching unit and located behind the fine adjustment sliding plate. The two front water-cooled plate support frames are arranged on the left and right sides of the middle part of the front end of the forward-reverse switching unit and located behind the four water-cooled plate front positioning frames. The front plate edge positioning frame is used to position one side of the front panel. The output end of the front plate edge top pressing cylinder is used to drive the front panel to press against the front plate edge positioning frame, completing the clamping of the front panel in the left-right direction. The two front water-cooled plate welding and pressing components cooperate with the two front water-cooled plate support frames to clamp the front upper and lower ends of the water-cooled plate.
[0017] Based on the above, the beneficial effects of the four water-cooled plate front positioning frames arranged on the left, middle and right parts of the front end of the forward-reverse switching unit are to ensure that the water-cooled plate can be accurately positioned at the front end, cooperate with the output ends of the three water-cooled plate rear top cylinders of the rear end positioning assembly to jointly complete the clamping of the front and rear parts of the water-cooled plate. The beneficial effects of the two front water-cooled plate support frames are to provide support for the bottom end of the front part of the water-cooled plate, and cooperate with the front water-cooled plate welding and pressing components to complete the clamping of the front part of the water-cooled plate, enhancing the stability of the water-cooled plate. The beneficial effects of the front plate edge positioning frame and the front plate edge top pressing cylinder are to ensure the position accuracy of the left and right front panels, avoiding welding quality problems caused by position deviation.
[0018] Further, the middle positioning assembly comprises two middle lifting cylinders, two electrically-controlled rotating middle top clamps symmetrically arranged at two sides of the middle part of the water-cooled plate, two water-cooled plate edge positioning frames located at one side of the middle part of the water-cooled plate, and two water-cooled plate edge top pressing cylinders located at the other side of the middle part of the water-cooled plate. The two middle lifting cylinders and the two electrically-controlled rotating middle top clamps are matched to clamp the upper and lower ends of the middle part of the water-cooled plate. The output ends of the two water-cooled plate edge top pressing cylinders are used to drive the water-cooled plate to press against the water-cooled plate edge positioning frame, so as to clamp the water-cooled plate in the left-right direction.
[0019] Based on the above, the beneficial effects of the cooperation of the two middle lifting cylinders and the two electrically-controlled rotating middle top clamps are to ensure that the water-cooled plate can be accurately and firmly clamped at the upper and lower ends of the middle part. The beneficial effects of the cooperation of the water-cooled plate edge positioning frame and the water-cooled plate edge top pressing cylinder are to clamp the water-cooled plate in the left-right direction, so as to avoid the welding quality problems caused by the position deviation of the water-cooled plate.
[0020] Further, the middle part of the front and rear ends of the water-cooled plate is respectively provided with a reinforcing beam, and the two sides of the reinforcing beam are provided with a module mounting beam. The two symmetric rear water-cooled plate welding and pressing components each comprise a pressing fine-tuning cylinder, a water-cooled plate rear upper clamping frame, and a rear mounting beam downward pressing positioning cylinder. The pressing fine-tuning cylinder is arranged on the bearing sliding plate, and the output end of the pressing fine-tuning cylinder is connected with the water-cooled plate rear upper clamping frame. The water-cooled plate rear upper clamping frame is slidingly fitted on the bearing sliding plate. The output end of the water-cooled plate rear upper clamping frame is pressed against the upper rear part of the water-cooled plate. The rear mounting beam downward pressing positioning cylinder is arranged on the water-cooled plate rear upper clamping frame, and the output end of the rear mounting beam downward pressing positioning cylinder is pressed against the module mounting beam located at the rear end of the water-cooled plate. The two symmetric front water-cooled plate welding and pressing components each comprise a water-cooled plate front upper clamping frame and a front mounting beam downward pressing positioning cylinder. The output end of the water-cooled plate front upper clamping frame is pressed against the upper front part of the water-cooled plate. The front mounting beam downward pressing positioning cylinder is arranged on the water-cooled plate front upper clamping frame, and the output end of the front mounting beam downward pressing positioning cylinder is pressed against the module mounting beam located at the front end of the water-cooled plate.
[0021] Based on the above, the beneficial effects of the pressing fine-tuning cylinder driving the position of the upper clamping frame of the rear part of the water-cooled plate are to ensure that the upper clamping frame of the rear part of the water-cooled plate can be accurately pressed on the upper end of the water-cooled plate, and together with the two rear water-cooled plate support frames, the clamping of the rear part of the water-cooled plate is completed; the output end of the rear mounting beam down-pressing positioning cylinder is pressed on the module mounting beam located at the rear end of the water-cooled plate, which has the beneficial effect of ensuring the stable fixing of the module mounting beam and improving the stability of the module mounting beam during welding; the upper clamping frame of the front part of the water-cooled plate has the beneficial effect of ensuring the stability of the front end of the water-cooled plate during welding; and the output end of the front mounting beam down-pressing positioning cylinder is pressed on the module mounting beam located at the front end of the water-cooled plate, which has the beneficial effect of ensuring the stable fixing of the module mounting beam and improving the stability of the module mounting beam during welding.
[0022] Further, the forward-reverse switching unit comprises a forward-reverse switching motor and a forward-reverse clamping plate, and the forward-reverse clamping plate is arranged at the output end of the forward-reverse switching motor.
[0023] Based on the above, the forward-reverse clamping plate arranged at the output end of the forward-reverse switching motor has the beneficial effect of realizing seamless switching of battery tray part loading and welding operation, so that workers can load battery tray parts while performing welding operations, greatly improving the efficiency of the production line and reducing the time of manual intervention.
[0024] Further, the upper end surface of the water-cooled plate is further provided with a welding slag splashing prevention cover plate, and the battery tray identification positioning assembly, the front end positioning assembly and the middle positioning assembly all pass through the preset holes on the welding slag splashing prevention cover plate to clamp the water-cooled plate.
[0025] Based on the above, the welding slag splashing prevention cover plate has the beneficial effect of avoiding the adhesion of welding slag and splashes to the surface of the water-cooled plate when the front panel, the rear panel and the module mounting beam are welded on the water-cooled plate, thereby improving the welding quality, reducing the workload and time of post-welding cleaning, and improving the overall production efficiency.
[0026] In order to make the above features of the utility model and the purposes to be achieved more clearly, the utility model will be further described in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is a three-dimensional schematic view of the utility model;
[0028] Figure 2 It is a plan view schematic view of the utility model;
[0029] Figure 3 It is a partial structure schematic view of the battery tray identification positioning assembly of the utility model;
[0030] Figure 4Another part structure schematic view of the battery tray identification positioning assembly of the utility model;
[0031] Figure 5 Another part structure schematic view of the battery tray identification positioning assembly of the utility model from other perspective;
[0032] Figure 6 Schematic view of the stroke electric cylinder driving bearing sliding plate of the utility model;
[0033] Figure 7 Schematic view of the middle positioning assembly of the utility model;
[0034] Figure 8 Schematic view of the middle positioning assembly of the utility model from another perspective;
[0035] Figure 9 Partial structure schematic view of the front end positioning assembly of the utility model;
[0036] Figure 10 Another part structure schematic view of the front end positioning assembly of the utility model;
[0037] Figure 11 Another part structure schematic view of the front end positioning assembly of the utility model from other perspective;
[0038] Figure 12 Bottom schematic view of the front end positioning assembly of the utility model.
[0039] Explanation of reference numerals: 1 - positive and negative switching unit, 11 - positive and negative switching motor, 12 - positive and negative clamping plate, 4 - welding plate clamping unit, 5 - battery tray identification positioning assembly, 51 - stroke electric cylinder, 52 - bearing sliding plate, 53 - rear end positioning part, 531 - rear end frame, 532 - electric control rotary front clamping, 533 - rear top cylinder, 535 - water-cooled plate rear top cylinder, 536 - rear water-cooled plate support frame, 537 - rear plate edge positioning frame, 538 - rear plate edge top pressing cylinder, 539 - rear water-cooled plate welding and pressing part, 5391 - pressing fine adjustment cylinder, 5392 - rear water-cooled plate upper clamping frame, 5393 - front mounting beam lower pressing positioning cylinder, 6 - front end positioning assembly, 61 - fine adjustment sliding plate, 62 - electric control rotary rear clamping, 63 - front top cylinder, 64 - water-cooled plate front positioning frame, 65 - front water-cooled plate support frame, 66 - front plate edge positioning frame, 67 - front plate edge top pressing cylinder, 68 - front water-cooled plate welding and pressing part, 681 - front water-cooled plate upper clamping frame, 682 - front mounting beam lower pressing positioning cylinder, 7 - middle positioning assembly, 71 - middle lifting cylinder, 72 - electric control rotary middle clamping, 73 - water-cooled plate edge positioning frame, 74 - water-cooled plate edge top pressing cylinder, 8 - rear panel, 9 - front panel, 10 - water-cooled plate, 101 - reinforcing beam, 102 - module mounting beam. DETAILED DESCRIPTION
[0040] As Figures 1-12 shown, a welding fixture capable of automatically switching product types includes a front-rear switching unit 1, the front-rear switching unit 1 is provided with a front work position and a rear work position on the front and rear surfaces, and both ends of the two are provided with a welding plate clamping unit 4, the welding plate clamping unit 4 includes a battery tray identification positioning assembly 5, a front end positioning assembly 6 and a middle positioning assembly 7 located between the battery tray identification positioning assembly 5 and the front end positioning assembly 6, the front end positioning assembly 6 is used for clamping a front panel 9, the middle positioning assembly 7 is used for clamping a water-cooled plate 10, the battery tray identification positioning assembly 5 includes a stroke electric cylinder 51, a bearing sliding plate 52 provided at the output end of the stroke electric cylinder 51 and a rear end positioning component 53 arranged at the upper end of the bearing sliding plate 52, the bearing sliding plate 52 is slidingly fitted on the front-rear switching unit 1, and the rear end positioning component 53 is used for clamping a rear panel 8, and the stroke electric cylinder 51 drives the rear panel 8 to approach the water-cooled plate 10 until the rear panel 8 touches the water-cooled plate 10.
[0041] The rear end positioning component 53 includes a rear end frame 531, two electrically controlled rotating front top clamps 532 and three rear top cylinders 533, the two electrically controlled rotating front top clamps 532 are respectively arranged on both sides of the upper end of the rear end frame 531, and the three rear top cylinders 533 are respectively arranged on the left, middle and right parts of the front side of the upper end of the rear end frame 531, and the output ends of the two electrically controlled rotating front top clamps 532 and the output ends of the three rear top cylinders 533 jointly clamp the front and rear ends of the rear panel 8.
[0042] The front end positioning assembly 6 includes a fine adjustment sliding plate 61, two electrically controlled rotating rear top clamps 62 and three front top cylinders 63, the fine adjustment sliding plate 61 is slidingly fitted on the front-rear switching unit 1, the two electrically controlled rotating rear top clamps 62 are arranged on both sides of the middle part of the fine adjustment sliding plate 61, the three front top cylinders 63 are arranged on the left, middle and right parts of the fine adjustment sliding plate 61, and the output ends of the three front top cylinders 63 and the output ends of the two electrically controlled rotating rear top clamps 62 jointly clamp the front and rear ends of the front panel 9.
[0043] The rear positioning component 53 further comprises three water-cooled plate rear top air cylinders 535, two rear water-cooled plate support frames 536, a rear plate edge positioning frame 537 located on one side of the rear panel 8, a rear plate edge top pressing air cylinder 538 located on the other side of the rear panel 8, and two rear water-cooled plate welding pressing components 539 located on both sides of the front end of the load-bearing sliding plate 52. The three water-cooled plate rear top air cylinders 535 are respectively arranged on the left, middle and right parts of the load-bearing sliding plate 52, and the output ends of the three water-cooled plate rear top air cylinders 535 are in contact with the rear part of the water-cooled plate 10 through a pressure sensor. The two rear water-cooled plate support frames 536 are respectively arranged on the left and right sides of the middle part of the front end of the load-bearing sliding plate 52 and in front of the three water-cooled plate rear top air cylinders 535. The rear plate edge positioning frame 537 is used to position one side of the rear panel 8. The output end of the rear plate edge top pressing air cylinder 538 is used to drive the rear panel 8 to press against the rear plate edge positioning frame 537, completing the clamping of the rear panel 8 in the left-right direction. The two rear water-cooled plate welding pressing components 539 cooperate with the two rear water-cooled plate support frames 536 to clamp the upper and lower ends of the rear part of the water-cooled plate 10.
[0044] The front positioning assembly 6 further comprises four water-cooled plate front positioning frames 64, two front water-cooled plate support frames 65, a front plate edge positioning frame 66 located on one side of the front panel 9, a front plate edge top pressing air cylinder 67 located on the other side of the front panel 9, and two front water-cooled plate welding pressing components 68 located on both sides in front of the fine-tuning sliding plate 61. The four water-cooled plate front positioning frames 64 are respectively arranged on the left, middle and right parts of the front end of the forward-reverse switching unit 1 and located behind the fine-tuning sliding plate 61. The two front water-cooled plate support frames 65 are respectively arranged on the left and right sides of the middle part of the front end of the forward-reverse switching unit 1 and located behind the four water-cooled plate front positioning frames 64. The front plate edge positioning frame 66 is used to position one side of the front panel 9. The output end of the front plate edge top pressing air cylinder 67 is used to drive the front panel 9 to press against the front plate edge positioning frame 66, completing the clamping of the front panel 9 in the left-right direction. The two front water-cooled plate welding pressing components 68 cooperate with the two front water-cooled plate support frames 65 to clamp the upper and lower ends of the front part of the water-cooled plate 10.
[0045] The middle positioning assembly 7 comprises two middle lifting cylinders 71, two electrically-controlled rotating middle top clamps 72 symmetrically arranged at the two sides of the middle part of the water-cooled plate 10, two water-cooled plate edge positioning frames 73 located at one side of the middle part of the water-cooled plate 10, and two water-cooled plate edge top pressing cylinders 74 located at the other side of the middle part of the water-cooled plate 10. The two middle lifting cylinders 71 and the two electrically-controlled rotating middle top clamps 72 cooperate to clamp the upper and lower ends of the middle part of the water-cooled plate 10. The output ends of the two water-cooled plate edge top pressing cylinders 74 are used to drive the water-cooled plate 10 to press against the water-cooled plate edge positioning frames 73, so as to complete the clamping of the water-cooled plate 10 in the left-right direction.
[0046] The middle part of the front and rear ends of the water-cooled plate 10 is respectively provided with a reinforcing beam 101, and the two sides of the reinforcing beam 101 are provided with a module mounting beam 102. The two symmetric rear water-cooled plate welding and pressing components 539 each comprise a fine-tuning pressing cylinder 5391, a water-cooled plate rear upper clamping frame 5392, and a rear mounting beam downward pressing positioning cylinder 5393. The fine-tuning pressing cylinder 5391 is arranged on the bearing sliding plate 52, and the output end of the fine-tuning pressing cylinder 5391 is connected with the water-cooled plate rear upper clamping frame 5392. The water-cooled plate rear upper clamping frame 5392 is slidingly fitted on the bearing sliding plate 52, and the output end of the water-cooled plate rear upper clamping frame 5392 is pressed against the upper rear part of the water-cooled plate 10. The rear mounting beam downward pressing positioning cylinder 5393 is arranged on the water-cooled plate rear upper clamping frame 5392, and the output end of the rear mounting beam downward pressing positioning cylinder 5393 is pressed against the module mounting beam 102 located at the rear end of the water-cooled plate 10. The two symmetric front water-cooled plate welding and pressing components 68 each comprise a water-cooled plate front upper clamping frame 681 and a front mounting beam downward pressing positioning cylinder 682. The output end of the water-cooled plate front upper clamping frame 681 is pressed against the upper front part of the water-cooled plate 10. The front mounting beam downward pressing positioning cylinder 682 is arranged on the water-cooled plate front upper clamping frame 681, and the output end of the front mounting beam downward pressing positioning cylinder 682 is pressed against the module mounting beam 102 located at the front end of the water-cooled plate 10.
[0047] The forward-reverse switching unit 1 comprises a forward-reverse switching motor 11 and a forward-reverse clamping plate 12 arranged at the output end of the forward-reverse switching motor 11.
[0048] A welding slag splashing prevention cover plate is further arranged on the upper end surface of the water-cooled plate 10. The battery tray recognition and positioning assembly 5, the front end positioning assembly 6, and the middle positioning assembly 7 all clamp the water-cooled plate 10 through the preset holes in the welding slag splashing prevention cover plate.
[0049] To sum up, the specific embodiment of the utility model discloses: two operators are respectively on the front operation position and respectively operate respective welding plate clamping unit 4, first, the operator aligns the front end of the water-cooled plate 10 to be welded on four water-cooled plate front positioning frame 64, and makes it front, middle and back parts correspond to be placed on two front water-cooled plate support frame 65, the output end of two middle lifting air cylinders 71 and two rear water-cooled plate support frame 536 and complete placement, and cover the anti-welding slag splashing cover plate, at the same time, the electric control rotary middle top clamp 72 of both sides symmetrical arrangement is pressed down, and the middle part of water-cooled plate 10 is clamped with two middle lifting air cylinders 71 together;
[0050] Secondly, the operator positions and places the front panel 9 to be welded on the front part of the water-cooled plate 10, and starts the front plate edge top pressure cylinder 67 to push the side surface of the front panel 9, so that the other side surface of the front panel 9 is in contact with the front plate edge positioning frame 66 to complete the positioning of the front panel 9 in the left-right direction, and then the two electric control rotary rear top clamps 62 drive the output ends to the rear of the front panel 9 through rotation, and then the fine adjustment sliding plate 61 is adjusted, so that the output ends of the two electric control rotary rear top clamps 62 are in contact with the rear end of the front panel 9, and the fine adjustment sliding plate 61 is locked, the three front top cylinders 63 are started, and the output ends are cooperated with the output ends of the two electric control rotary rear top clamps 62 to complete the clamping of the front panel 9;
[0051] Thirdly, the operator drives the stroke cylinder 51 to make the rear end positioning part 53 driven by the bearing sliding plate 52 close to the water-cooled plate 10, and finally the pressure sensor of the output end of the three water-cooled plate rear top cylinders 535 is in contact with the rear end of the water-cooled plate 10, the stroke cylinder 51 is stopped after the pressure sensor detects that the pressure change reaches a threshold value, so that the model and size of the product are obtained according to the stroke sensor data comparison of the stroke cylinder 51, and the control system presets the next welding position according to the welding preset position of the model;
[0052] Thirdly, the operator positions and places the rear panel 8 to be welded on the rear part of the water-cooled plate 10, and starts the rear plate edge top pressure cylinder 538 to push the side surface of the rear panel 8, so that the other side surface of the rear panel 8 is in contact with the rear plate edge positioning frame 537 to complete the positioning of the rear panel 8 in the left-right direction, and then the two electric control rotary front top clamps 532 drive the output ends to the front of the rear panel 8 through rotation, at this time, the output ends of the three water-cooled plate rear top cylinders 535 jointly push the water-cooled plate 10 forward, since the front end of the water-cooled plate 10 has been positioned on the four water-cooled plate front positioning frames 64, so that the bearing sliding plate 52 slides backward until the output ends of the two electric control rotary front top clamps 532 are in contact with the front end of the rear panel 8, the three rear top cylinders 533 are started, and the output ends are cooperated with the output ends of the two electric control rotary front top clamps 532 to complete the clamping of the rear panel 8;
[0053] Again, the operator will be placed in the four modules to be welded beam 102 respectively in the water-cooled plate 10 before and after the two ends of the two ends of the reinforced beam 101, compression micro-adjusting cylinder 5391 fine-tuning drive water-cooled plate rear clamping frame 5392 to ensure that the rear mounting beam down pressure positioning cylinder 5393 output end alignment in the water-cooled plate 10 rear end of the module installation beam 102 above, water-cooled plate rear clamping frame 5392 is pressed on the upper end of the rear of the water-cooled plate, the rear mounting beam down pressure positioning cylinder 5393 is pressed on the module installation beam 102 of the water-cooled plate 10 rear end, water-cooled plate front clamping frame 681 is pressed on the upper end of the front of the water-cooled plate, the front mounting beam down pressure positioning cylinder 682 is pressed on the module installation beam 102 of the water-cooled plate 10 front end;
[0054] Finally, the forward and reverse switching motor 11 drives the forward and reverse clamping plate 12 to make the completed battery tray rotate from the front work position to the back work position for welding operation, while the battery tray completed in the previous step is transferred to the front work position for unloading operation by the operator and enters the next round of operation.
[0055] The above only for the most solution embodiment of the present application, not for limiting the present application, the skilled in the art without departing from the essential and protective scope of the present application to make various modifications or replacement of the present application should be within the scope of the present application.
Claims
1. A welding fixture that automatically switches product types, characterized by: The utility model provides a kind of positive and negative switching unit (1), the positive and negative switching unit (1) is provided with front face operation site and reverse face operation site on both sides, and both ends are provided with welding plate clamping unit (4), the welding plate clamping unit (4) includes battery tray identification positioning assembly (5), front end positioning assembly (6) and middle positioning assembly (7) between the battery tray identification positioning assembly (5) and front end positioning assembly (6), the front end positioning assembly (6) is used to clamp front panel (9), the middle positioning assembly (7) is used to clamp water-cooled plate (10), the battery tray identification positioning assembly (5) includes stroke electric cylinder (51), load sliding plate (52) being provided in the output end of stroke electric cylinder (51) and rear end positioning component (53) being configured on the upper end of load sliding plate (52), the load sliding plate (52) is slidably fitted on the positive and negative switching unit (1), the rear end positioning component (53) is used to clamp rear panel (8), and the stroke electric cylinder (51) drives the rear panel (8) to be close to the water-cooled plate (10) until touching the water-cooled plate (10).
2. The automatic change-over product category welding fixture of claim 1, wherein: The rear end positioning component (53) includes rear end frame (531), two electric control rotary front clamps (532) and three rear top air cylinders (533), two electric control rotary front clamps (532) are respectively arranged on the upper end of the two sides of rear end frame (531), and three rear top air cylinders (533) are respectively arranged on the left, middle and right parts of the upper end front side of rear end frame (531), the output ends of two electric control rotary front clamps (532) and the output ends of three rear top air cylinders (533) are used to clamp the front and rear ends of rear panel (8) together.
3. The welding fixture that automatically switches product categories according to claim 1, characterized in that: The front end positioning assembly (6) includes fine adjustment sliding plate (61), two electric control rotary rear clamps (62) and three front top air cylinders (63), the fine adjustment sliding plate (61) is slidably fitted on the positive and negative switching unit (1), two electric control rotary rear clamps (62) are erected on the middle two sides of fine adjustment sliding plate (61), three front top air cylinders (63) are erected on the left, middle and right parts of fine adjustment sliding plate (61), and the output ends of three front top air cylinders (63) and the output ends of two electric control rotary rear clamps (62) are used to clamp the front and rear ends of front panel (9) together.
4. The welding fixture that automatically switches product categories according to claim 3, characterized in that: The rear positioning component (53) further comprises three water-cooled plate rear top air cylinders (535), two rear water-cooled plate support frames (536), a rear plate edge positioning frame (537) located on one side of the rear panel (8), a rear plate edge top pressing air cylinder (538) located on the other side of the rear panel (8), and two rear water-cooled plate welding pressing components (539) located on both sides of the front end of the bearing sliding plate (52). The three water-cooled plate rear top air cylinders (535) are respectively arranged on the left, middle and right parts of the bearing sliding plate (52), and the output ends of the three water-cooled plate rear top air cylinders (535) are in contact with the rear part of the water-cooled plate (10) through a pressure sensor. The two rear water-cooled plate support frames (536) are respectively arranged on the left and right sides of the middle part of the front end of the bearing sliding plate (52) and in front of the three water-cooled plate rear top air cylinders (535). The rear plate edge positioning frame (537) is used for positioning one side of the rear panel (8). The output end of the rear plate edge top pressing air cylinder (538) is used to drive the rear panel (8) to press against the rear plate edge positioning frame (537), thereby completing the clamping of the rear panel (8) in the left-right direction. The two rear water-cooled plate welding pressing components (539) cooperate with the two rear water-cooled plate support frames (536) to clamp the upper and lower ends of the rear part of the water-cooled plate (10).
5. The automatic change-over product category welding fixture of claim 4, wherein: The front positioning assembly (6) further comprises four water-cooled plate front positioning frames (64), two front water-cooled plate support frames (65), a front plate edge positioning frame (66) located on one side of the front panel (9), a front plate edge top pressing air cylinder (67) located on the other side of the front panel (9), and two front water-cooled plate welding pressing components (68) located on both sides in front of the fine adjustment sliding plate (61). The four water-cooled plate front positioning frames (64) are respectively arranged on the left, middle and right parts of the front end of the forward-reverse switching unit (1) and located behind the fine adjustment sliding plate (61). The two front water-cooled plate support frames (65) are respectively arranged on the left and right sides of the middle part of the front end of the forward-reverse switching unit (1) and located behind the four water-cooled plate front positioning frames (64). The front plate edge positioning frame (66) is used for positioning one side of the front panel (9). The output end of the front plate edge top pressing air cylinder (67) is used to drive the front panel (9) to press against the front plate edge positioning frame (66), thereby completing the clamping of the front panel (9) in the left-right direction. The two front water-cooled plate welding pressing components (68) cooperate with the two front water-cooled plate support frames (65) to clamp the upper and lower ends of the front part of the water-cooled plate (10).
6. The welding fixture that automatically switches product categories according to claim 1, wherein: The middle positioning assembly (7) comprises two middle lifting cylinders (71), two electrically-controlled rotating middle top clamps (72) symmetrically arranged at two sides of the middle part of the water-cooled plate (10), two water-cooled plate edge positioning frames (73) located at one side of the middle part of the water-cooled plate (10), and two water-cooled plate edge top pressing cylinders (74) located at the other side of the middle part of the water-cooled plate (10). The two middle lifting cylinders (71) and the two electrically-controlled rotating middle top clamps (72) cooperate to clamp the upper and lower ends of the middle part of the water-cooled plate (10), and the output ends of the two water-cooled plate edge top pressing cylinders (74) are used to drive the water-cooled plate (10) to press against the water-cooled plate edge positioning frame (73), so as to complete the clamping of the water-cooled plate (10) in the left-right direction.
7. The welding fixture of claim 5, wherein: The middle part of the front and rear ends of the water-cooled plate (10) is respectively provided with a reinforcing beam (101), and the two sides of the reinforcing beam (101) are provided with a module mounting beam (102). The two symmetric rear water-cooled plate welding and pressing components (539) each comprise a pressing fine-tuning cylinder (5391), a water-cooled plate rear upper clamping frame (5392), and a rear mounting beam downward pressing positioning cylinder (5393). The pressing fine-tuning cylinder (5391) is arranged on the bearing sliding plate (52), and the output end of the pressing fine-tuning cylinder (5391) is connected with the water-cooled plate rear upper clamping frame (5392). The water-cooled plate rear upper clamping frame (5392) is slidingly fitted on the bearing sliding plate (52), and the output end of the water-cooled plate rear upper clamping frame (5392) is pressed against the upper rear part of the water-cooled plate (10). The rear mounting beam downward pressing positioning cylinder (5393) is arranged on the water-cooled plate rear upper clamping frame (5392), and the output end of the rear mounting beam downward pressing positioning cylinder (5393) is pressed against the module mounting beam (102) located at the rear end of the water-cooled plate (10). The two symmetric front water-cooled plate welding and pressing components (68) each comprise a water-cooled plate front upper clamping frame (681) and a front mounting beam downward pressing positioning cylinder (682). The output end of the water-cooled plate front upper clamping frame (681) is pressed against the upper front part of the water-cooled plate (10). The front mounting beam downward pressing positioning cylinder (682) is arranged on the water-cooled plate front upper clamping frame (681), and the output end of the front mounting beam downward pressing positioning cylinder (682) is pressed against the module mounting beam (102) located at the front end of the water-cooled plate (10).
8. The automatic change-over product category welding fixture of claim 1, wherein: The forward-reverse switching unit (1) comprises a forward-reverse switching motor (11) and a forward-reverse clamping plate (12), and the forward-reverse clamping plate (12) is arranged at the output end of the forward-reverse switching motor (11).
9. The automatic change-over product category welding fixture of claim 1, wherein: The upper end surface of the water-cooled plate (10) is further provided with a welding slag splashing prevention cover plate. The battery tray recognition and positioning assembly (5), the front end positioning assembly (6), and the middle positioning assembly (7) all clamp the water-cooled plate (10) through the preset holes in the welding slag splashing prevention cover plate.