Quick-changing mechanism for welding copper nozzle

Abstract

The utility model relates to a welding copper nozzle quick-changing mechanism which comprises a transverse moving linear module. The feeding linear module is connected with the sliding block of the transverse moving linear module; the copper nozzle quick-change assembly is connected with the sliding block of the feeding linear module; the copper nozzle assembly is connected with the feeding linear module through a copper nozzle quick-change assembly; the copper nozzle quick-change assembly comprises a first connecting plate, a zero-point positioning matrix, an initial guide sleeve, a second connecting plate, a zero-point positioning pin and an initial guide pin, the zero-point positioning matrix and the initial guide sleeve are fixedly arranged on the first connecting plate, the zero-point positioning pin and the initial guide pin are fixedly arranged on the second connecting plate, and the zero-point positioning matrix and the zero-point positioning pin are locked. According to the welding copper nozzle quick-changing mechanism, seamless connection of electricity and gas is achieved through the zero point positioning mechanism, the repeated positioning accuracy can reach 0.005 mm, the power-off and gas-off protection function is achieved, the production requirements of wire mixing or quick remodeling and the like can be met, the production efficiency is greatly improved, and the labor cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding copper nozzles, in particular to a quick-changing mechanism for welding copper nozzles. Background Art

[0002] At present, with the extremely fierce competition in the new energy vehicle market, the power battery part is one of the important core components of new energy vehicles. Customers have extremely high requirements for the product compatibility of the battery production line and the reduction of the downtime of the entire line changeover. Bus welding is one of the core workstations of the battery production line.

[0003] On the busbar welding assembly production line, the blade battery cells are thin and the space is limited. The copper nozzle quick-change mechanism cannot replace the copper nozzle alone, and can only use a complete set of replacement screws and positioning pin connection structure. The copper nozzle mechanism is equipped with a large number of nitrogen pipelines and dust suction pipelines. Frequent replacement is time-consuming and labor-intensive, and will also affect product quality.

[0004] When changing the existing copper nozzle mechanism, multiple connected nitrogen protective gas, vacuum pipes and electrical signal cables need to be manually disassembled. It takes two people a day to complete this workload. After the change, the position of the copper nozzle needs to be adjusted, which is time-consuming and labor-intensive, and cannot meet the customer's required 6-minute changeover requirement. Utility Model Content

[0005] To this end, the technical problem to be solved by the present invention is to overcome the problems in the prior art of welding copper nozzles, such as complicated replacement action, time-consuming and labor-intensive debugging after replacement, low operating efficiency, and long production line downtime.

[0006] In order to solve the above technical problems, the utility model provides a welding copper nozzle quick-change mechanism, including a transverse linear module; a feed linear module, which is connected to the slider of the transverse linear module, and the moving direction of the feed linear module is perpendicular to the moving direction of the transverse linear module; a copper nozzle quick-change assembly, which is connected to the slider of the feed linear module; a copper nozzle assembly, which is connected to the feed linear module through the copper nozzle quick-change assembly; the copper nozzle quick-change assembly includes a connecting plate one, a zero point positioning mother body, a primary guide sleeve, a connecting plate two, a zero point positioning pin and a primary guide pin, the connecting plate one is connected to the slider of the feed linear module, the zero point positioning mother body and the primary guide sleeve are both fixedly arranged on the connecting plate one, the connecting plate two is connected to the copper nozzle assembly, the zero point positioning pin and the primary guide pin are both fixedly arranged on the connecting plate two, the primary guide pin is inserted into the primary guide sleeve to achieve positioning, and the zero point positioning mother body and the zero point positioning pin are locked. The welding copper nozzle quick-change mechanism of this utility model realizes seamless connection between electricity and gas through the zero-point positioning mechanism, and the repeated positioning accuracy can reach 0.005mm. It has power-off and gas-off protection functions, which can meet production requirements such as mixed lines or quick changeovers, greatly improving production efficiency and saving labor costs.

[0007] In one embodiment of the present invention, the first connecting plate is provided with a first plug, the second connecting plate is provided with a second plug, and the first plug and the second plug are plugged together to achieve power-on.

[0008] In one embodiment of the present invention, an air path distributor block is provided on the connecting plate 1, a plurality of pipe quick-connect connectors 1 are provided on the air path distributor block, a plurality of air path channels are provided on the connecting plate 2, the plurality of pipe quick-connect connectors 1 and the plurality of air path channels are arranged in a one-to-one correspondence, and the pipe quick-connect connector 1 is connected to the corresponding air path channel.

[0009] In one embodiment of the present invention, the other end of the gas channel away from the first pipeline quick plug connector is connected to the second pipeline quick plug connector.

[0010] In one embodiment of the present invention, the copper nozzle assembly includes a copper nozzle mounting frame and a welding copper nozzle. The copper nozzle mounting frame is fixedly connected to the second connecting plate, and the welding copper nozzle is arranged on the copper nozzle mounting frame.

[0011] In one embodiment of the present invention, a dust suction pipeline is provided on the copper nozzle mounting frame, a through hole 1 is provided on the second connecting plate, one end of the dust suction pipeline is arranged on the second connecting plate, and the dust suction pipeline is connected to the through hole 1.

[0012] In one embodiment of the present invention, a gas circuit adapter block is provided on the first connecting plate, and a second through hole is provided on the gas circuit adapter block. After the gas circuit adapter block contacts the second connecting plate, the first through hole is connected to the second through hole.

[0013] In one embodiment of the present invention, a through hole three is provided on the connecting plate one at a position opposite to the through hole two, and the through hole two is connected to the through hole three. The connecting plate one is connected to a pipeline one, and the pipeline one is connected to the through hole three.

[0014] In one embodiment of the present invention, a support plate is provided on the copper nozzle mounting frame, a switching cylinder is provided on the support plate, the welding copper nozzle is connected to the piston rod of the switching cylinder, and the welding copper nozzle is slidably connected to the copper nozzle mounting frame.

[0015] In one embodiment of the present invention, a linear guide rail is provided on the copper nozzle mounting frame, and a slider is connected to the welding copper nozzle. The slider is provided on the linear guide rail, and the slider can slide along the linear guide rail.

[0016] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0017] The welding copper nozzle quick-change mechanism described in the present invention can efficiently complete the positioning conversion between the copper nozzle replacement part and the machine body, ensuring that the copper nozzle mechanism does not need to be readjusted after replacement, thereby improving the stability of welding and thus improving the qualified rate of products; and according to the zero-point positioning quick-change mechanism, it can realize rapid change of different products, achieve the production capacity of being compatible with multiple products, greatly shorten the line stop time for changeover, improve production efficiency, have strong product compatibility, and save enterprises a lot of labor costs caused by mixed-line production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to make the content of the utility model easier to understand, the utility model is further described in detail below based on the specific embodiments of the utility model and in conjunction with the accompanying drawings, wherein

[0019] Figure 1 This is a schematic diagram of the overall structure of the welding copper nozzle quick-change mechanism in the preferred embodiment of the present utility model;

[0020] Figure 2 This is a structural diagram of a copper nozzle quick-change assembly and a copper nozzle assembly in a preferred embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the copper nozzle quick change assembly in the preferred embodiment of the utility model Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the structure of the copper nozzle quick change assembly in the preferred embodiment of the utility model Figure 2 ;

[0023] Figure 5 This is a schematic diagram of the structure of the copper nozzle quick change assembly in the preferred embodiment of the utility model Figure 3 ;

[0024] Figure 6 The structure of the copper nozzle assembly in the preferred embodiment of the utility model is shown in FIG. Figure 1 ;

[0025] Figure 7 The structure of the copper nozzle assembly in the preferred embodiment of the utility model is shown in FIG. Figure 2 .

[0026] Explanation of the reference numerals in the specification: transverse linear module 1, feed linear module 2, copper nozzle quick change assembly 3, connecting plate one 31, zero point positioning mother body 32, primary guide sleeve 33, connecting plate two 34, zero point positioning pin 35, primary guide pin 36, plug one 37, plug two 38, air path distributor block 39, pipeline quick plug connector one 310, air path channel 311, pipeline quick plug connector two 312, copper nozzle assembly 4, copper nozzle mounting bracket 41, welding copper nozzle 42, slider 421, dust suction pipeline 43, through hole one 44, air path adapter block 45, through hole two 46, through hole three 47, pipeline one 48, support plate 49, switching cylinder 410, linear guide rail 411. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0028] Reference Figure 1 、 2 As shown, the welding copper nozzle quick-change mechanism of the present invention includes: a transverse linear module 1, a feed linear module 2, a copper nozzle quick-change assembly 3 and a copper nozzle assembly 4; the feed linear module 2 is connected to the slider of the transverse linear module 1, and the moving direction of the feed linear module 2 is perpendicular to the moving direction of the transverse linear module 1; the copper nozzle quick-change assembly 3 is connected to the slider of the feed linear module 2; the copper nozzle assembly 4 is connected to the feed linear module 2 through the copper nozzle quick-change assembly 3; the copper nozzle quick-change assembly 3 includes a connecting plate 31, a zero point The positioning matrix 32, primary guide sleeve 33, connecting plate 2 34, zero-point positioning pin 35, and primary guide pin 36 are connected to the slider of the feed linear module 2. The zero-point positioning matrix 32 and primary guide sleeve 33 are fixedly mounted on the connecting plate 1 31. The connecting plate 2 34 is connected to the copper nozzle assembly 4. The zero-point positioning pin 35 and primary guide pin 36 are fixedly mounted on the connecting plate 2 34. The primary guide pin 36 is inserted into the primary guide sleeve 33 to achieve positioning. The zero-point positioning matrix 32 and zero-point positioning pin 35 achieve locking. Zero-point positioning achieves high-precision positioning with its own mechanical self-locking mechanism. The nitrogen shielding gas required for welding, the compressed air used by the cylinder, and the switch signal line of the bottom telescopic cylinder are all connected to the copper nozzle quick-change assembly 3.

[0029] Reference Figure 3-5As shown, the connecting plate 1 31 is provided with a plug 1 37, and the connecting plate 2 34 is provided with a plug 2 38. Plug 1 37 and plug 2 38 are plugged together to achieve power supply. The connecting plate 1 31 is provided with a gas flow distributor 39, which is provided with several pipe quick-connect connectors 1 310. The connecting plate 2 34 is provided with several gas channels 311. The several pipe quick-connect connectors 1 310 and the several gas channels 311 are arranged in a one-to-one correspondence, and the pipe quick-connect connectors 1 310 are connected to the corresponding gas channels 311. The other end of the gas channel 311 away from the pipe quick-connect connector 1 310 is connected to the pipe quick-connect connector 2 312.

[0030] After the zero-point positioning mother body 32 and the zero-point positioning pin 35 are docked, ventilation realizes self-locking of the upper and lower layers. At this time, the plug 1 37 and the plug 2 38 are automatically plugged in, which can accurately realize conduction and achieve seamless docking of the electrical signal and the air circuit. At this time, the rapid changeover and installation of the copper nozzle mechanism is realized.

[0031] Reference Figure 6 、 7 As shown, the copper nozzle assembly 4 includes a copper nozzle mounting frame 41 and a welding copper nozzle 42. The copper nozzle mounting frame 41 is fixedly connected to the second connecting plate 34, and the welding copper nozzle 42 is mounted on the copper nozzle mounting frame 41. A dust suction pipe 43 is provided on the copper nozzle mounting frame 41, and a through hole 1 44 is provided on the second connecting plate 34. One end of the dust suction pipe 43 is mounted on the second connecting plate 34, and the dust suction pipe 43 and the through hole 1 44 are connected. The dust suction port of the dust suction pipe 43 is located near the welding position.

[0032] In the above structure, the conduction structure of the dust collection pipeline 43 is as follows: the connecting plate 1 31 is provided with an air circuit adapter block 45, which is provided with a second through hole 46. After the air circuit adapter block 45 contacts the connecting plate 2 34, the first through hole 44 and the second through hole 46 are connected. The connecting plate 1 31 is provided with a third through hole 47 directly opposite the second through hole 46, and the second through hole 46 and the third through hole 47 are connected. The connecting plate 1 31 is connected to the first pipeline 48, which is connected to the third through hole 47. The contact surface between the air circuit adapter block 45 and the connecting plate 2 34 is provided with a sealing ring to achieve sealing.

[0033] In addition, the copper nozzle mounting frame 41 is provided with a support plate 49, and a switching cylinder 410 is provided on the support plate 49. The welding copper nozzle 42 is connected to the piston rod of the switching cylinder 410, and the welding copper nozzle 42 is slidably connected to the copper nozzle mounting frame 41. The copper nozzle mounting frame 41 is provided with a linear guide 411, and a slider 421 is connected to the welding copper nozzle 42. The slider 421 is set on the linear guide 411, and the slider 421 can slide along the linear guide 411. According to the specific arrangement of the welding process, two welding copper nozzles 42 are preferably provided on the copper nozzle mounting frame 41, and the two welding copper nozzles 42 are arranged in parallel, and each welding copper nozzle 42 is connected to the switching cylinder 410. In this way, by extending or retracting the piston rod of the switching cylinder 410, the two welding copper nozzles 42 can be driven to switch and work.

[0034] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A quick-change mechanism for a welding copper nozzle, characterized by: include, Transverse linear module; A feed linear module connected to the slider of the transverse linear module, wherein the moving direction of the feed linear module is perpendicular to the moving direction of the transverse linear module; Copper nozzle quick change assembly, which is connected to the slider of the feed linear module; The copper nozzle assembly is connected to the feed linear module through the copper nozzle quick change assembly; The copper nozzle quick-change assembly includes a connecting plate 1, a zero-point positioning matrix, an initial guide sleeve, a connecting plate 2, a zero-point positioning pin and an initial guide pin. The connecting plate 1 is connected to the slider of the feed linear module. The zero-point positioning matrix and the initial guide sleeve are both fixedly arranged on the connecting plate 1. The connecting plate 2 is connected to the copper nozzle assembly. The zero-point positioning pin and the initial guide pin are both fixedly arranged on the connecting plate 2. The initial guide pin is inserted into the initial guide sleeve to achieve positioning. The zero-point positioning matrix and the zero-point positioning pin are locked.

2. The welding copper nozzle quick-change mechanism according to claim 1, characterized in that: The first connecting plate is provided with a first plug, the second connecting plate is provided with a second plug, and the first plug and the second plug are plugged together to realize power-on.

3. The welding copper nozzle quick-change mechanism according to claim 1 or 2, characterized in that: The connecting plate 1 is provided with an air path distributor block, the air path distributor block is provided with a plurality of pipe quick-plug connectors 1, the connecting plate 2 is provided with a plurality of air path channels, the plurality of pipe quick-plug connectors 1 and the plurality of air path channels are arranged in a one-to-one correspondence, and the pipe quick-plug connector 1 is connected to the corresponding air path channel.

4. The welding copper nozzle quick-change mechanism according to claim 3, characterized in that: The other end of the gas channel away from the pipeline quick plug connector 1 is connected to the pipeline quick plug connector 2.

5. The welding copper nozzle quick-change mechanism according to claim 1, characterized in that: The copper nozzle assembly includes a copper nozzle mounting frame and a welding copper nozzle. The copper nozzle mounting frame is fixedly connected to the second connecting plate, and the welding copper nozzle is arranged on the copper nozzle mounting frame.

6. The welding copper nozzle quick-change mechanism according to claim 5, characterized in that: The copper nozzle mounting frame is provided with a dust suction pipeline, the second connecting plate is provided with a through hole 1, one end of the dust suction pipeline is arranged on the second connecting plate, and the dust suction pipeline is connected to the through hole 1.

7. The welding copper nozzle quick-change mechanism according to claim 6, characterized in that: The connecting plate 1 is provided with an air path adapter block, and the air path adapter block is provided with a second through hole. After the air path adapter block contacts the connecting plate 2, the first through hole is communicated with the second through hole.

8. The welding copper nozzle quick-change mechanism according to claim 7, characterized in that: A through hole three is provided on the connecting plate one at a position directly opposite to the through hole two, and the through hole two is communicated with the through hole three. A pipeline one is connected to the connecting plate one, and the pipeline one is communicated with the through hole three.

9. The welding copper nozzle quick-change mechanism according to claim 5, characterized in that: The copper nozzle mounting frame is provided with a support plate, the support plate is provided with a switching cylinder, the welding copper nozzle is connected to the piston rod of the switching cylinder, and the welding copper nozzle is slidably connected to the copper nozzle mounting frame.

10. The welding copper nozzle quick-change mechanism according to claim 9, characterized in that: The copper nozzle mounting frame is provided with a linear guide rail, the welding copper nozzle is connected with a slider, the slider is arranged on the linear guide rail, and the slider can slide along the linear guide rail.

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