CN211277370U - Electrode trimming machine - Google Patents
Electrode trimming machine Download PDFInfo
- Publication number
- CN211277370U CN211277370U CN201922214479.XU CN201922214479U CN211277370U CN 211277370 U CN211277370 U CN 211277370U CN 201922214479 U CN201922214479 U CN 201922214479U CN 211277370 U CN211277370 U CN 211277370U
- Authority
- CN
- China
- Prior art keywords
- cutter
- blade
- electrode
- coping
- electrode cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an electrode trimming machine, which comprises a power system, a gear box, a trimming cutter and a guide bracket; the input end of the gear box is connected with a power system, the output end of the gear box is connected with a coping cutter and a finishing cutter, the power system drives the coping cutter and the finishing cutter to rotate through the gear box, the end face of the electrode cap is coping through the coping cutter, the electrode cap is positioned and guided to the position of the finishing cutter through the guide support, and lines are cut on the end face of the electrode cap through the finishing cutter. The electrode trimming machine can form specific lines at the end part of the electrode cap, so that the service life of the electrode cap is prolonged.
Description
Technical Field
The utility model relates to an electrode trimming machine for aluminum alloy spot welding welder electrode cap coping and plastic.
Background
Automobile lightweighting brings about mass application of aluminum alloys, but:
1) because of the special physical and chemical properties of the aluminum alloy, a thicker oxide film with large resistivity is easily formed on the surface of the aluminum alloy, and the heat generation of an electrode-workpiece interface is large in the spot welding process;
2) the Al-Cu alloying tendency is large; electrode adhesion is easy to occur in aluminum spot welding, and the most critical factor for limiting aluminum alloy spot welding is the most.
At present, the membrane breaking methods such as mechanical scraping and chemical reagents have great influence on the production rhythm. And finishing specific textures on the end face of the electrode, and applying pressure by the electrode to strain the surface of the aluminum alloy so as to destroy an oxide film on the surface of the aluminum alloy. The electrode finishing equipment special for aluminum alloy spot welding needs to be invented, and the special texture is formed, so that the oxide film on the surface of the workpiece is damaged, the service life of the electrode cap is prolonged, the grinding frequency is reduced, and the production takt is improved.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: an object of the utility model is to provide an electrode trimming machine that can form specific line at the electrode cap tip.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an electrode trimming machine comprises a power system, a gear box, a trimming cutter and a guide bracket; the input end of the gear box is connected with a power system, the output end of the gear box is connected with a coping cutter and a finishing cutter, the power system drives the coping cutter and the finishing cutter to rotate through the gear box, the end face of the electrode cap is coping through the coping cutter, the electrode cap is positioned and guided to the position of the finishing cutter through the guide support, and lines are cut on the end face of the electrode cap through the finishing cutter.
Furthermore, the coping cutter and the trimming cutter both comprise a cutter rest and a blade, the blade is fixed on the cutter rest, the trimming cutter rotates around a rotating center, the rotating center and the center of the end face of the electrode cap have an eccentricity P, the blade edge of the blade of the trimming cutter is an arc-shaped blade edge, the radian of the blade is close to that of the end face of the electrode cap, a plurality of grooves are arranged at intervals, and the blade edge of the blade of the trimming cutter is a flat blade edge.
Further, the cutter rest is disc-shaped, a blade mounting groove is formed in the circumferential surface of the cutter rest along the radial direction, the blade mounting groove penetrates through the cutter rest along the axial direction, the blade is fixed to one side wall of the blade mounting groove, and the cutting edges are symmetrically arranged on two sides of the blade.
Furthermore, the two side surfaces of the tool rest are provided with annular guide grooves, the cross sections of the annular guide grooves are isosceles trapezoids, and the cutting edges on the two sides of the blade protrude out of the bottom planes of the annular guide grooves.
Furthermore, the guide supports are symmetrically arranged on two sides of the gear box, and are provided with guide positioning holes corresponding to the trimming cutters.
Furthermore, the input end of the gear box is provided with a driving gear shaft, the output end of the gear box is provided with a secondary gear a and a secondary gear b, the driving gear shaft, the secondary gear a and the secondary gear b are respectively meshed with the primary gear shaft, and the tool rests of the grinding tool and the trimming tool are respectively arranged in the shaft holes of the secondary gear a and the secondary gear b.
The electrode trimming machine has the following advantages:
1) the design of double tool bits (a coping tool and a finishing tool) is adopted, one end (the coping tool) is used for coping the end face of the electrode cap, and the other end (the finishing tool) is used for cutting lines on the end face of the electrode cap, so that the structure is compact, and the space is saved;
2) trimming the cutter, adopting an eccentric trimming mode, carrying out secondary forming, and obtaining clear lines;
3) the arc-shaped cutting edge of the trimming cutter can adopt grooves with different styles to trim electrode caps with different depths and different lines, and the design is diversified;
4) the trimming cutter forms specific regular grains at the end part of the electrode cap, so that the number of points after each polishing is increased, and the service life is prolonged.
Drawings
FIG. 1 is a perspective view of an electrode dresser;
FIG. 2 is a front view structural view of the electrode dresser;
FIG. 3 is a top view of the electrode conditioner;
FIG. 4 is a structural view of a gear box;
FIG. 5 is a perspective view of a dressing tool;
FIG. 6 is a front view of a dressing tool;
FIG. 7 is a top view of a dressing tool;
FIG. 8 is a cross-sectional view of a dressing tool;
fig. 9 is a schematic diagram showing the first trimmed end face texture of the electrode cap.
Fig. 10 is a schematic diagram of the trimmed end face texture of the electrode cap.
In the figure: 1-a base; 2-locking the clamping block; 3-a telescopic frame; 5-a power system; 6-gear box; 6-1-driving gear shaft; 6-2-primary gear shaft; 6-3-secondary gear a; 6-4-secondary gear b; 7-grinding the cutter; 8-trimming the cutter; 8-1-tool holder; 8-2-blade; 8 a-center of rotation; 8 b-the center of the end face of the electrode cap; 8 c-an annular guide groove; 8 d-blade edge; 8 e-a groove; 9-a guide bracket; 10-a blow assembly; 11-an electric cabinet; 12-a collection box; 13-electrode cap.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model discloses an electrode trimming machine, including driving system 5, gear box 6, coping cutter 7, trimming cutter 8 and guide bracket 9. The input end of the gear box 6 is connected with the power system 5, the output end of the gear box 6 is connected with the coping cutter 7 and the trimming cutter 8, the power system 5 drives the coping cutter 7 and the trimming cutter 8 to rotate through the gear box 6, the coping is carried out on the end face of the electrode cap through the coping cutter 7, the electrode cap is positioned and guided to the position of the trimming cutter 8 through the guide support 9, and lines are cut on the end face of the electrode cap through the trimming cutter 8.
As shown in fig. 5-8, in the present embodiment, each of the coping cutter 7 and the trimming cutter 8 includes a cutter holder 8-1 and a blade 8-2, the blade 8-2 is fixed on the cutter holder 8-1, the trimming cutter 8 rotates around a rotation center 8a, the rotation center 8a and an end surface center 8b of the electrode cap have an eccentric distance P, a blade 8d of the blade 8-2 of the trimming cutter 8 is an arc-shaped blade, the arc-shaped blade has an arc shape close to an end surface arc of the electrode cap 13, and a plurality of grooves 8e are arranged on the arc-shaped blade at intervals, and the end surface 13 of the electrode cap is formed with a texture by the grooves 8e, as shown in fig. 9 and 10, the maximum depth and the number of the density of the texture depend on the depth and the distance of the notches of the grooves 8e, and the size. The cutting edge 8d of the blade 8-2 of the dressing cutter 8 is a flat cutting edge, and the end face of the electrode cap is ground flat through the flat cutting edge.
Preferably, the cutter rest 8-1 is disc-shaped, a blade mounting groove is radially formed in the circumferential surface of the cutter rest 8-1, the blade mounting groove axially penetrates through the cutter rest 8-1, the blade 8-2 is fixed to one side wall of the blade mounting groove, and a gap between the blade 8-2 and the other side wall of the blade mounting groove is used for discharging chips. The cutting edges 8d are symmetrically arranged at the upper and lower sides of the blade 8-2. The upper and lower electrode caps 13 can be machined simultaneously.
Further preferably, two side surfaces of the knife rest 8-1 are provided with annular guide grooves 8c, the cross sections of the annular guide grooves 8c are isosceles trapezoids, and cutting edges 8d on two sides of the blade 8-2 protrude out of the bottom planes of the annular guide grooves 8 c. The groove width of the annular guide groove 8c determines the depth of the electrode cap 13 which can extend into the annular guide groove 8c, and the cutting amount of the electrode cap 13 by the cutting edge 8d can be adjusted by matching with the height of the part of the cutting edge 8d which protrudes out of the bottom plane of the annular guide groove 8 c. The sharpening amount of the edge 8d to the end surface of the electrode cap 13 can be adjusted for the sharpening cutter 7. For the trimming cutter 8, the depth of the lines processed on the end face of the electrode cap 13 can be adjusted.
As shown in fig. 1 and 2, two guide supports 9 are symmetrically arranged on the upper side and the lower side of a box body of a gear box 6, guide positioning holes are arranged on the guide supports 9, the guide positioning holes correspond to annular guide grooves 8c of a cutter rest 8-1 of a dressing cutter 8, an electrode cap is clamped into the guide positioning holes and extends into the annular guide grooves 8c, and when the dressing cutter 8 cuts the end face of the electrode cap, the electrode cap is prevented from shaking along the radial direction, and the size precision of the end face lines of the electrode cap is ensured.
As shown in FIG. 4, the input end of the gear box 6 is provided with a driving gear shaft 6-1, the output end of the gear box 6 is provided with a secondary gear a6-3 and a secondary gear b6-4, and the driving gear shaft 6-1, the secondary gear a6-3 and the secondary gear b6-4 are respectively meshed with the primary gear shaft 6-2.
In this embodiment, the power system 5 adopts a motor, the motor is controlled by an electric cabinet 11, and the electric cabinet 11 contains a contactor and a relay. The output shaft of the motor drives the driving gear shaft 6-1 to rotate, and the driving gear shaft 6-1 drives the secondary gear a6-3 and the secondary gear b6-4 to rotate under the transmission action of the primary gear shaft 6-2.
The tool rest 8-1 of the sharpening tool 7 is arranged in the shaft hole of the secondary gear a6-3, the tool rest 8-1 of the sharpening tool 8 is arranged in the shaft hole of the secondary gear b6-4, and the tool rest 8-1 and the shaft hole are positioned through milling flat surfaces and fastened through screws. The sharpening cutter 7 and the trimming cutter 8 respectively rotate synchronously with the secondary gear a6-3 and the secondary gear b 6-4. The rotation center 8a of the dressing cutter 8 is the center of the shaft hole of the secondary gear b 6-4.
As shown in fig. 1 to 3, in the present embodiment, the electrode dresser is supported and fixed by an adjustable height bracket. The adjustable high support includes base 1, and base 1 lower extreme is fixed, and base 1 upper end is equipped with expansion bracket 3, and expansion bracket 3 includes the vertical sleeve pipe of arranging, and electric cabinet 11 fixes in the sleeve pipe outside, and the intraductal telescopic link that is equipped with of cover, the sleeve pipe mouth of pipe are equipped with locking clamp splice 2, and the telescopic link is adjusted and is fastened fixedly through locking clamp splice 2 after the set height. The telescopic link upper end links to each other with 6 box bodys of gear box, plays stable cushioning effect to gear box 6. The motor is fixed on the bottom surface of the gear box 6. The heights of the sharpening cutter 7 and the sharpening cutter 8 are adjusted by adjusting the telescopic rods.
In addition, a blowing assembly 10 is further arranged on one side of the grinding cutter 7 and one side of the trimming cutter 8, a collecting box 12 is fixed on the base 1, the blowing assembly 10 comprises a blowing nozzle, the blowing nozzle is fixed on a box body of the gear box 6 through a blowing support, and scraps generated in grinding and cutting of the electrode cap are blown down into the collecting box 12 in time through the blowing nozzle.
The working process of the electrode trimming machine comprises the following steps: the electric cabinet 11 is electrified to control the motor to rotate, the motor drives the coping cutter 7 and the coping cutter 8 to rotate anticlockwise through the gear box 6, and meanwhile, the air blowing nozzle starts to blow air; moving an aluminum alloy welding gun to a coping cutter 7 from a welding position, aligning and extending an electrode cap of the welding gun into annular guide grooves 8c on two sides of a tool rest 8-1 of the coping cutter 7, clamping the welding gun, beginning coping the electrode cap, finishing coping after 2s, loosening the welding gun, moving the welding gun to the coping cutter 8, guiding the electrode cap of the welding gun into the annular guide grooves 8c on two sides of the tool rest 8-1 of the coping cutter 8 through a guide positioning hole of a guide frame 9, clamping the welding gun, finishing (namely cutting lines on the end face of the electrode cap), finishing after 2s, opening the welding gun, and moving the welding gun out to a position to be welded.
The following are examples of applications of the electrode dresser
Example 1:
the use working condition is as follows: the spot welding of the battery box of the electric vehicle, the welding tongs SRTX-C9004 of the robot, 5000 series of aluminum plates, the thickness of the plate is 1.2mm +0.8mm, the surface has no coating, the welding pressure is 3000N, the welding current is 28KA, the welding time is 90ms, the diameter of the electrode cap for spot welding is 16mm, and the diameter of the end face of the electrode cap is 8 mm.
Is characterized in that: the electrode cap (without lines) after being polished by a common polishing device is welded for about 7 points each time, and the electrode cap starts to be adhered.
By adopting the electrode trimming machine, the grinding and the trimming are carried out once, the end face of the electrode cap forms the style-A grains shown in figure 9, the welding is carried out, the electrode cap starts to be adhered by about 14 points each time, the service life of the electrode cap is doubled, and the production rhythm is improved.
Example 2:
the use working condition is as follows: the aluminum alloy test piece, the robot welding tongs SRTX-C9002, the aluminum alloy plate A5182, the plate thickness of 1.5mm +1.5mm, no coating on the surface, the welding pressure of 4000N, the welding current of 30KA, the welding time of 50ms, the diameter of an electrode cap for spot welding of 19mm and the diameter of the end face of the electrode cap of 10 mm.
Is characterized in that: the electrode cap (without lines) after being polished by a common polisher starts to be adhered after about 18 points of welding each time.
By adopting the electrode trimming machine, the grinding and the trimming are carried out once, the end face of the electrode cap forms the style-B lines shown in figure 10, the welding is carried out, the electrode cap starts to be adhered after about 40 points of welding each time, and the service life of the electrode cap is prolonged by more than one time.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An electrode dresser characterized by: comprises a power system (5), a gear box (6), a coping cutter (7), a finishing cutter (8) and a guide bracket (9); power system (5) is connected to gear box (6) input, coping cutter (7) and finishing cutter (8) are connected to gear box (6) output, power system (5) drive coping cutter (7) and finish cutter (8) through gear box (6) and rotate, carry out the coping to the electrode cap terminal surface through coping cutter (7), through leading support (9) with electrode cap location direction to finishing cutter (8) position, through finishing cutter (8) at the electrode cap terminal surface line of cutting out.
2. The electrode dresser of claim 1, wherein: the sharpening cutter (7) and the trimming cutter (8) both comprise a cutter rest (8-1) and a blade (8-2), the blade (8-2) is fixed on the cutter rest (8-1), the trimming cutter (8) rotates around a rotating center (8a), an eccentric distance P exists between the rotating center (8a) and an electrode cap end face center (8b), a blade (8d) of the blade (8-2) of the trimming cutter (8) is an arc-shaped blade, the radian is close to that of the electrode cap end face, a plurality of grooves (8e) are arranged at intervals, and the blade (8d) of the blade (8-2) of the trimming cutter (8) is a flat blade.
3. An electrode dresser as set forth in claim 2 wherein: the cutter frame (8-1) is disc-shaped, a blade mounting groove is formed in the circumferential surface of the cutter frame (8-1) along the radial direction, the blade mounting groove penetrates through the cutter frame (8-1) along the axial direction, the blade (8-2) is fixed to one side wall of the blade mounting groove, and the cutting edges (8d) are symmetrically arranged on two sides of the blade (8-2).
4. An electrode dresser as set forth in claim 3 wherein: two side surfaces of the tool rest (8-1) are provided with annular guide grooves (8c), the cross sections of the annular guide grooves (8c) are isosceles trapezoids, and cutting edges (8d) on two sides of the blade (8-2) protrude out of the bottom planes of the annular guide grooves (8 c).
5. The electrode dresser of claim 4, wherein: the guide supports (9) are symmetrically arranged on two sides of the gear box (6), and guide positioning holes are formed in the guide supports (9) and correspond to the trimming cutters (8).
6. An electrode dresser as set forth in claim 5 wherein: the input end of the gear box (6) is provided with a driving gear shaft (6-1), the output end of the gear box (6) is provided with a secondary gear a (6-3) and a secondary gear b (6-4), the driving gear shaft (6-1), the secondary gear a (6-3) and the secondary gear b (6-4) are respectively meshed with a primary gear shaft (6-2), and tool rests (8-1) of a coping tool (7) and a finishing tool (8) are respectively arranged in shaft holes of the secondary gear a (6-3) and the secondary gear b (6-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922214479.XU CN211277370U (en) | 2019-12-12 | 2019-12-12 | Electrode trimming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922214479.XU CN211277370U (en) | 2019-12-12 | 2019-12-12 | Electrode trimming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211277370U true CN211277370U (en) | 2020-08-18 |
Family
ID=72036283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922214479.XU Active CN211277370U (en) | 2019-12-12 | 2019-12-12 | Electrode trimming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211277370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115722865A (en) * | 2022-11-08 | 2023-03-03 | 中国第一汽车股份有限公司 | Spot welding electrode cap shaping device of robot |
| CN115971859A (en) * | 2022-12-26 | 2023-04-18 | 广州明珞装备股份有限公司 | Cap detaching and finishing integrated machine for electrode cap |
-
2019
- 2019-12-12 CN CN201922214479.XU patent/CN211277370U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115722865A (en) * | 2022-11-08 | 2023-03-03 | 中国第一汽车股份有限公司 | Spot welding electrode cap shaping device of robot |
| CN115971859A (en) * | 2022-12-26 | 2023-04-18 | 广州明珞装备股份有限公司 | Cap detaching and finishing integrated machine for electrode cap |
| CN115971859B (en) * | 2022-12-26 | 2024-05-17 | 广州明珞装备股份有限公司 | Cap removing and trimming integrated machine for electrode cap |
| WO2024139582A1 (en) * | 2022-12-26 | 2024-07-04 | 广州明珞装备股份有限公司 | Tip removing and dressing all-in-one machine for electrode tip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211277370U (en) | Electrode trimming machine | |
| US6935003B2 (en) | Compound fabrication process and apparatus | |
| CN104093523A (en) | Composite processing method and composite processing apparatus | |
| CN203679810U (en) | Machining device for motor shell | |
| CN115971859A (en) | Cap detaching and finishing integrated machine for electrode cap | |
| CN104607946B (en) | Horizontal type turning and milling all-in-one with follow-rest | |
| CN218461684U (en) | Numerical control knife sharpener with dust removal and cooling assistance effects | |
| CN201161349Y (en) | Equipment for cutting divided edge on steel tube | |
| CN217433935U (en) | Electrode cap shaping cutter and sharpening machine | |
| JP2011240376A (en) | Electrode polishing device | |
| US6499921B1 (en) | Spot welder tip sharpening and dressing tool | |
| CN209850572U (en) | Automatic grinding equipment | |
| CN214161085U (en) | Pipe arc punching and breaking device | |
| CN109604686B (en) | Pipe pile flange end plate double-face machining milling machine | |
| JPS63283861A (en) | On-machine electric discharge truing/dressing for metal bond grindstone | |
| CN217701553U (en) | Cutting machine for aluminum product processing | |
| CN219581772U (en) | High-strength multi-edge numerical control milling cutter | |
| CN217966182U (en) | Double-cutter tower type machining turn-milling numerical control lathe | |
| CN217637793U (en) | Fixture tool of dynamic balance weight reduction device of motor rotor | |
| CN218658397U (en) | Novel resistance welding electrode coping tool bit and novel electrode coping equipment | |
| CN210819038U (en) | Pneumatic metal arc groove polishing jig | |
| CN212918693U (en) | A processing grinding device for honeycomb cardboard cutting edge angle | |
| CN218799405U (en) | Special-shaped milling cutter for machining wheels | |
| CN218575705U (en) | Flat sword autogiration workstation | |
| CN219484442U (en) | Processing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |