Inverter copper bar welding equipment

Abstract

The invention discloses inverter copper bar welding equipment which comprises a cabin, a Y-axis servo linear module sliding table, a bottom plate, a flange linear bearing, a sliding guide column, a product tool, a weldment pressing plate, a pressing clamping lever air cylinder and a laser machining head. The Y-axis servo linear module sliding table is arranged in the cabin, and the bottom plate is arranged on the Y-axis servo linear module sliding table; a plurality of flange linear bearings are arranged on the bottom plate, and sliding guide columns are arranged in the flange linear bearings. In this way, according to the inverter copper bar welding equipment, the contact pressure between copper sheets is compensated through cooperation of the weldment pressing plate and the downward-pressing clamping lever air cylinder, floating bearing of the carrier plate is further completed through cooperation of the flange linear bearing and the balls, the pressure control precision can be improved, and the welding quality of the carrier plate is improved. And moreover, the contact property of the multi-piece multi-layer copper bar is improved, the problems of insufficient soldering and missing soldering are effectively avoided, and meanwhile, the processing efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the field of inverter welding equipment, and in particular to inverter copper busbar welding equipment. Background Art

[0002] The multiple core components in the inverter can be welded and assembled by splicing or stacking multiple multi-layer copper bars. The existing technology usually adopts manual methods to implement the splicing, stacking and hand-held welding of the welded parts. On the one hand, manual operation has efficiency problems, and on the other hand, there will be a large number of cold welds and misalignment phenomena. Pollutants such as smoke generated during the welding process cannot be effectively treated, so it cannot meet production needs. Summary of the invention

[0003] The main technical problem solved by the present invention is to provide an inverter copper busbar welding device, which compensates for the contact pressure between the copper sheets by the coordinated cooperation of the welding pressure plate and the downward clamping lever cylinder, and further completes the floating bearing of the carrier plate by the coordinated cooperation of the flange linear bearing and the ball. It can not only improve the pressure control accuracy, but also improve the contact of multiple-piece and multi-layer copper busbars, effectively avoid the problem of cold solder joints and empty solder joints, and greatly improve the processing efficiency.

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide an inverter copper busbar welding equipment, including a cabin, a Y-axis servo linear module slide, a base plate, a flange linear bearing, a sliding guide column, a product tooling, a weldment pressure plate, a downward clamping lever cylinder, and a laser processing head. A Y-axis servo linear module slide is arranged in the cabin, a base plate is arranged on the Y-axis servo linear module slide, a plurality of flange linear bearings are arranged on the base plate, a sliding guide column is arranged in the flange linear bearing, a product tooling is horizontally mounted on the sliding guide column, a weldment pressure plate is matched on the product tooling, a plurality of downward clamping lever cylinders are matched on the upper surface of the weldment pressure plate, the downward clamping lever cylinder is arranged on the base plate, a plurality of welding operation windows are opened on the weldment pressure plate, and a laser processing head with an integrated scanning galvanometer is matched above the welding operation window.

[0005] In a preferred embodiment of the present invention, the base plate is provided with evenly distributed holes, an adapter seat is mounted on the evenly distributed holes, and the downward clamping lever cylinder is fixed on the adapter seat.

[0006] In a preferred embodiment of the present invention, the product tooling consists of a carrier plate and a plurality of positioning pins arranged on the surface of the carrier plate, a center column is vertically arranged in the center of the bottom surface of the carrier plate, a pressure sensor is crimped at the lower end of the center column, and the pressure sensor is fixed on the bottom plate.

[0007] In a preferred embodiment of the present invention, a PU rubber pressing block is installed on the head of the downward clamping lever cylinder.

[0008] In a preferred embodiment of the present invention, the laser processing head is mounted on a Z-axis servo linear module slide, the Z-axis servo linear module slide is arranged on an X-axis servo linear module slide, the laser processing head is attached with a visual camera and a laser ranging sensor, and the laser processing head is externally connected with a chiller and a laser.

[0009] In a preferred embodiment of the present invention, a dust removal blow pipe and a negative pressure air duct are attached to the laser processing head, and the dust removal blow pipe and the negative pressure air duct are connected from the cabin and to a dust collector.

[0010] In a preferred embodiment of the present invention, a hemispherical limiting groove is opened at the center of the lower end surface of the central column, and a ball is filled in the hemispherical limiting groove, and the ball is pressed against the center of the pressure sensor.

[0011] In a preferred embodiment of the present invention, an industrial computer is arranged in the cabin, a controller is arranged outside the cabin, a feed port is opened on a side of the cabin, and safety gratings are arranged on both sides of the feed port.

[0012] The beneficial effects of the present invention are as follows: the inverter copper busbar welding equipment provided by the present invention compensates for the contact pressure between the copper sheets by the coordinated cooperation of the welding pressure plate and the downward clamping lever cylinder, and further completes the floating bearing of the carrier plate by the coordinated cooperation of the flange linear bearing and the ball, which not only improves the pressure control accuracy, but also improves the contact of multiple-piece and multi-layer copper busbars, effectively avoids the problem of cold solder joints and empty solder joints, and greatly improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which: Figure 1 This is an overall structural diagram of a preferred embodiment of an inverter copper bar welding device of the present invention; Figure 2 It is the structural diagram of the product tooling; Figure 3 It is a structural diagram of the laser processing head; Figure 4 This is the structural diagram of the central column. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] like Figure 1-4 As shown, the embodiment of the present invention includes: An inverter copper busbar welding device comprises a cabin 1, a Y-axis servo linear module slide 2, a base plate 3, a flange linear bearing 4, a sliding guide column 5, a product tooling 6, a weldment pressure plate 7, a downward clamping lever cylinder 8, and a laser processing head 9. A Y-axis servo linear module slide 2 is arranged in the cabin 1, a base plate 3 is arranged on the Y-axis servo linear module slide 2, a plurality of flange linear bearings 4 are arranged on the base plate 3, a sliding guide column 5 is arranged in the flange linear bearing 4, a product tooling 6 is horizontally mounted on the sliding guide column 5, a weldment pressure plate 7 is matched on the product tooling 6, a plurality of downward clamping lever cylinders 8 are matched on the upper surface of the weldment pressure plate 7, the downward clamping lever cylinders 8 are arranged on the base plate 3, a plurality of welding operation windows 70 are opened on the weldment pressure plate 7, and a laser processing head 9 with an integrated scanning galvanometer 90 is matched above the welding operation window 70.

[0016] The bottom plate 3 is provided with evenly distributed holes 30 , an adapter seat 31 is installed on the evenly distributed holes 30 , and the downward clamping lever cylinder 8 is fixed on the adapter seat 31 .

[0017] Furthermore, the product tooling 6 is composed of a carrier plate 60 and a plurality of positioning pins arranged on the surface of the carrier plate 60 , a center column 61 is vertically arranged in the center of the bottom surface of the carrier plate 60 , a pressure sensor 62 is crimped on the lower end of the center column 61 , and the pressure sensor 62 is fixed on the base plate 3 .

[0018] Furthermore, a PU rubber pressing block 80 is installed at the head of the downward clamping lever cylinder 8.

[0019] Furthermore, the laser processing head 9 is mounted on a Z-axis servo linear module slide 91, and the Z-axis servo linear module slide 91 is arranged on an X-axis servo linear module slide 92. A visual camera 93 and a laser ranging sensor 94 are attached to the laser processing head 9, and the laser processing head 9 is externally connected to a chiller 95 and a laser 96.

[0020] Furthermore, a dust removal blowpipe 97 and a negative pressure air duct 98 are attached to the laser processing head 9 , and the dust removal blowpipe 97 and the negative pressure air duct 98 are connected from the cabin 1 and to a dust collector 99 .

[0021] Furthermore, in order to improve the pressure control accuracy and avoid the pressure position of the clamping lever cylinder 8 affecting the pressure control accuracy, a hemispherical limit groove is opened in the center of the lower end surface of the center column 61, and a ball 66 is filled in the hemispherical limit groove, and the ball 66 is crimped to the center of the pressure sensor 62.

[0022] Furthermore, an industrial computer 33 is disposed in the cabin 1 , a controller 11 is disposed outside the cabin 1 , a feed port 12 is opened on the side of the cabin 1 , and safety gratings are disposed on both sides of the feed port 12 .

[0023] like Figure 4 The inverter pre-assembly shown has multiple copper bars 100 that are spliced ​​or stacked with each other, and the top of the entire inverter pre-assembly is stacked with a welding pressure plate 7. After completing the aforementioned manual pre-assembly operation on the carrier 60, the entire carrier 60 is held by hand, and the sliding guide column 5 is loaded on the flange linear bearing 4 of the bottom plate 3. The pressure of the entire carrier 60 acts on the pressure sensor 62 through the center column 61, triggering the Y-axis servo linear module to move, and the Y-axis servo linear module slide 2 is pushed to the bottom of the scanning galvanometer 90.

[0024] Before starting laser welding, Figure 2 As shown, the clamping lever cylinder 8 is lifted up, so that the rubber pressing block 80 acts on the weldment pressing plate 7. When the pressure value collected by the pressure sensor 62 under the center column 61 reaches the target threshold, the laser processing head 9 starts to work.

[0025] like Figure 3 As shown, the visual camera 93 collects product images and the industrial computer 33 processes the positioning data, the laser ranging sensor 94 collects height data and the industrial computer 33 adjusts the height compensation amount of the Z-axis servo linear module slide 91, then the laser 96, the chiller 95, and the dust collector 99 are started, the dust removal blowpipe 97 and the negative pressure air duct 98 begin to take effect, the Z-axis servo linear module slide 91 and the X-axis servo linear module slide 92 move in coordination, and the welding operation is completed within the welding operation window 70.

[0026] In summary, the present invention provides an inverter copper busbar welding device, which compensates for the contact pressure between the copper sheets by the coordinated cooperation of the welding pressure plate 7 and the downward clamping lever cylinder 8, and further completes the floating bearing of the carrier plate 60 by the coordinated cooperation of the flange linear bearing 4 and the ball 66, which not only improves the pressure control accuracy, but also improves the contact of multiple-piece and multi-layer copper busbars, effectively avoids the problem of cold solder joints and empty solder joints, and greatly improves the processing efficiency.

[0027] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An inverter copper bar welding device, characterized in that: It includes a cabin, a Y-axis servo linear module slide, a base plate, a flange linear bearing, a sliding guide column, a product tooling, a weldment pressure plate, a downward clamping lever cylinder, and a laser processing head. The cabin is provided with a Y-axis servo linear module slide, the Y-axis servo linear module slide is provided with a base plate, a plurality of flange linear bearings are provided on the base plate, a sliding guide column is provided in the flange linear bearing, a product tooling is horizontally mounted on the sliding guide column, a weldment pressure plate is provided on the product tooling, a plurality of downward clamping lever cylinders are matched on the upper surface of the weldment pressure plate, the downward clamping lever cylinder is arranged on the base plate, a plurality of welding operation windows are opened on the weldment pressure plate, and a laser processing head with an integrated scanning galvanometer is matched above the welding operation window.

2. The inverter copper bar welding equipment according to claim 1, characterized in that: The bottom plate is provided with evenly distributed holes, an adapter seat is installed on the evenly distributed holes, and the downward clamping lever cylinder is fixed on the adapter seat.

3. The inverter copper bar welding equipment according to claim 1, characterized in that: The product tooling consists of a carrier plate and a number of positioning pins arranged on the surface of the carrier plate. A center column is vertically arranged in the center of the bottom surface of the carrier plate. A pressure sensor is crimped at the lower end of the center column, and the pressure sensor is fixed on the bottom plate.

4. The inverter copper bar welding equipment according to claim 1, characterized in that: The head of the downward clamping lever cylinder is provided with a rubber pressing block.

5. The inverter copper bar welding equipment according to claim 1, characterized in that: The laser processing head is mounted on a Z-axis servo linear module slide, the Z-axis servo linear module slide is arranged on an X-axis servo linear module slide, a visual camera and a laser ranging sensor are attached to the laser processing head, and a chiller and a laser are externally connected to the laser processing head.

6. The inverter copper bar welding equipment according to claim 1, characterized in that: A dust removal blowpipe and a negative pressure air duct are attached to the laser processing head. The dust removal blowpipe and the negative pressure air duct are connected from the cabin and to a dust collector.

7. The inverter copper bar welding equipment according to claim 3, characterized in that: A hemispherical limiting groove is provided at the center of the lower end surface of the center column. A ball is filled in the hemispherical limiting groove. The ball is pressed against the center of the pressure sensor.

8. The inverter copper bar welding equipment according to claim 3, characterized in that: An industrial computer is arranged in the cabin, a controller is arranged outside the cabin, a feed port is opened on the side of the cabin, and safety gratings are arranged on both sides of the feed port.

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