CN201333590Y - Floating type multipoint automatic projection welding machine - Google Patents
Floating type multipoint automatic projection welding machine Download PDFInfo
- Publication number
- CN201333590Y CN201333590Y CNU2008202232215U CN200820223221U CN201333590Y CN 201333590 Y CN201333590 Y CN 201333590Y CN U2008202232215 U CNU2008202232215 U CN U2008202232215U CN 200820223221 U CN200820223221 U CN 200820223221U CN 201333590 Y CN201333590 Y CN 201333590Y
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- projection
- positioning sleeve
- bottom electrode
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Abstract
The utility model discloses a floating type multipoint automatic projection welding machine, which comprises an upper electrode and a lower electrode. A locating sleeve is arranged inside the lower electrode, an insulating layer is arranged between the locating sleeve and the lower electrode, and projection welding bolts between the upper electrode and the lower electrode are located by the locating sleeve. The floating type multipoint automatic projection welding machine solves the location accuracy problem of the projection welding bolts during welding process, and avoids the impact of current shunting on welding quality, and ensures the stable and reliable welding quality. The welding current can not generate electric energy loss.
Description
Technical field
The utility model relates to the welding machine technical field, exactly relates to the automatic projection welder of a kind of floating type multiple spot.
Background technology
Projection welding is mainly used in the stamping parts of welding low-carbon steel and low-alloy steel.The kind of projection welding is a lot, except that the plate projection welding, also has projection welding, wire rod intersection projection welding, pipe projection welding and the projection welding of sheet material T type etc. of nut, screw class part.
Existing projection welding technology mainly comprises two kinds of single-point projection welding and floating type single-point projection weldings, the single-point projection welding places workpiece on the projection welder exactly workpiece is welded, floating type single-point projection welding is that work-handling for convenience increases by a cover mechanism on projection welder, moves to the welding position and weld behind the dress workpiece.
Above-mentioned two kinds of solder technology all exist many defectives:
1, production efficiency is lower, does not satisfy the required precision of multiple projection welding production and multiple projection welding.
2, being positioned in the bottom electrode of projection welding bolt because the projection welding bolt contacts with bottom electrode, causes projection welding bolt and bottom electrode when welding distributary phenomenon to be arranged, and shape is rung welding quality.
3, the projection welding bolt is located in fabroil, because the fabroil wearability is relatively poor, projection welding bolt Positioning Precision Control instability causes welding the back precision and changes greatly, influences product quality.
4, the existing power supply access way needs to use long cable for coming out to be incorporated into the shared copper bar of upper and lower projection welding electrode from the welding transformer electrode contact, electric current arrives projection welding bolt place and will produce electric energy loss during welding, welding quality will be affected, difficult quality control.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of production efficiency height, the positioning accuracy height, the automatic projection welder of floating type multiple spot that welding quality is high, the utility model has solved the positioning accuracy problem of projection welding bolt in welding process, and electric current shunting is to the problem of welding quality influence, and welding current can not produce electric energy loss, has guaranteed the reliable and stable of welding quality simultaneously.
The utility model is achieved by the following technical solution;
The automatic projection welder of a kind of floating type multiple spot comprises top electrode and bottom electrode, it is characterized in that: be provided with positioning sleeve in the described bottom electrode, be provided with insulating barrier between positioning sleeve and bottom electrode, the projection welding bolt between top electrode and the bottom electrode is located through described positioning sleeve.
Described positioning sleeve is the stainless steel positioning sleeve.
Described insulating barrier is the epoxy resin layer that casts between positioning sleeve and the bottom electrode.
Described projection welder also comprises frame, power supply and control section, frame is made up of translation mechanism, hoisting mechanism, balanced controls and safety pin mechanism, described power supply provides trigger impulse for the aggregation type welding controller of MEDWELD4000 to intermediate frequency direct current welding inverter for model, and provide welding current by the MFDC inverter, described welding controller is installed on the translation mechanism and with described translation mechanism and together moves, described bottom electrode links to each other with the shared copper bar of following projection welding electrode on the translation mechanism, and top electrode links to each other with the shared copper bar of last projection welding electrode through power connection equipment.
Advantage of the present utility model is:
1, " be provided with positioning sleeve in bottom electrode, be provided with insulating barrier between positioning sleeve and bottom electrode, the projection welding bolt between top electrode and the bottom electrode is located through described positioning sleeve because the utility model adopts." such technical scheme, compared with prior art, the utility model had both solved the positioning accuracy problem of projection welding bolt in welding process, had also solved the problem of electric current shunting to the welding quality influence, had guaranteed the reliable and stable of welding quality.
2, because the utility model adopts " welding controller is installed on the translation mechanism and with described translation mechanism and together moves " such technical scheme, make structure compact more, power supply output is nearer apart from the shared copper bar distance of upper and lower projection welding electrode, reduce long cable and connected the energy loss that causes, the assurance welding current is abundant, improve welding quality, thereby saved the energy.
3, the utility model production efficiency height, the positioning accuracy height can satisfy the required precision of multiple projection welding production and multiple projection welding.
Description of drawings
Below in conjunction with specification drawings and specific embodiments the utility model is made further supplementary notes, wherein:
Fig. 1 is the upper and lower electrode structure schematic diagram of the utility model after improving
Fig. 2 is the contour structures schematic diagram of projection welder
Fig. 3 is installed in structural scheme of mechanism on the translation mechanism for welding controller
Fig. 4 is the action block diagram of projection welder
The specific embodiment
Embodiment 1
With reference to Figure of description 1, the utility model discloses the automatic projection welder of a kind of floating type multiple spot, comprise top electrode 1 and bottom electrode 2, be provided with positioning sleeve 3 in the described bottom electrode 2, be provided with insulating barrier 4 between positioning sleeve 3 and bottom electrode 2, the projection welding bolt 5 between top electrode 1 and the bottom electrode 2 is through described positioning sleeve 3 location.Described positioning sleeve 3 is a stainless steel positioning sleeve 3.Described insulating barrier 4 is for casting in the epoxy resin layer between positioning sleeve 3 and the bottom electrode 2.
With reference to Figure of description 2,3, the utility model discloses the automatic projection welder of a kind of floating type multiple spot, comprise top electrode 1 and bottom electrode 2, be provided with positioning sleeve 3 in the described bottom electrode 2, be provided with insulating barrier 4 between positioning sleeve 3 and bottom electrode 2, the projection welding bolt 5 between top electrode 1 and the bottom electrode 2 is through described positioning sleeve 3 location.Described projection welder also comprises frame 6, power supply and control section, frame 6 is by translation mechanism 7, hoisting mechanism 8, balanced controls 9 and safety pin 10 mechanisms form, described power supply provides trigger impulse for the aggregation type welding controller 11 of MEDWELD4000 to intermediate frequency direct current welding inverter for model, and provide welding current by the MFDC inverter, described welding controller 11 is installed on the translation mechanism 7 and with described translation mechanism 7 and together moves, described bottom electrode 2 links to each other with the shared copper bar 12 of the following projection welding electrode on the translation mechanism 7, and top electrode 1 links to each other through the shared copper bar 13 of power connection equipment and last projection welding electrode.In the said equipment, the structure of frame and frame composition and control section are the universal architecture of existing equipment.Power connection equipment also is a common apparatus in the prior art.
Be the utility model one better embodiment below:
Fig. 2 shows the floating type multiple spot pointwise of passage back veneer projection welder system outline drawing.This welding machine adopts the bull projection welding respectively M5.5 nut tap, M6 * 100L19 polished rod bolt, nutplate and passage back veneer to be carried out projection welding, welds a solder joint at every turn, finishes all solder joints successively.Power supply adopts MEDAR direct current if system; By pre-programmed, realize the welding conditions that each solder joint is different to MEDWELD4000.
Equipment is divided into four parts:
Frame 6: frame 6 is made up of translation mechanism 7, hoisting mechanism 8, balanced controls 9 and safety pin 10 mechanisms.
Projection welding frock 14: workpiece location, supporting, clamping and welding electrode are provided.
Power unit: MEDAR direct current if system, for this equipment provides welding current.
Control section:, realize the different welding conditions control of each projection welding point through the program that weaves in advance.
Operation principle:
1, the upper and lower workpiece of this equipment is finished by manual.Workbench moved to workpiece piece installing position under at first translation mechanism 7 drove, artificial piece installing, and after piece installing is confirmed, the positioning fixture clamping work pieces;
2, workbench moved to workpiece position to be welded under translation mechanism 7 drove, and hoisting mechanism 8 actions make workbench drop to workpiece position to be welded; Upper and lower workbench retaining mechanism is locked upper and lower workbench;
3, programme-control is carried out projection welding successively to above-mentioned nut and bolt;
4, upper and lower workbench retaining mechanism withdraws from, and removes the locking to upper and lower workbench; Hoisting mechanism 8 actions make workbench rise to the operating position, and workbench is gone up in last workbench retaining mechanism locking; Workbench moved to workpiece pickup position under translation mechanism 7 drove, and following workbench retaining mechanism locking is workbench down;
5, projection welding frock 14 clamp mechanism withdraw to clamp opens workpiece; The artificial workpiece that takes out after welding is finished after the affirmation workpiece is taken away, is finished a working cycles.
Part location and insulation:
Must take into full account the accuracy and the insulation of its location for the location of projection welding bolt 5, we have adopted stainless steel sleeve location projection welding bolt 5 in the design, casting one deck epoxy resin between stainless steel sleeve outside and bottom electrode 2, epoxy tree layer plays insulating effect, electric current can only flow to bottom electrode 2 by the salient point of top electrode 1, projection welding bolt 5, forms nugget at the salient point place.
The power supply access way:
MEDWELD4000 aggregation type welding controller 11 provides trigger impulse to MFDC (intermediate frequency direct current) inverter in the design, and MFDC provides welding current.11 design and installations of MEDWELD4000 aggregation type welding controller are on translation mechanism 7, wherein the shared copper bar of an electrode and the following projection welding electrode on being in translation mechanism 7 links to each other, another electrode is connected on the power connection equipment, when last workbench drops to the welding position, power supply is incorporated on the shared copper bar of projection welding electrode by power connection equipment.Power supply, power connection equipment decline deenergization when translation mechanism 7 shifts out the operating position were connected in the power connection equipment rising after translation mechanism 7 moved on to the operating position.MEDWELD4000 aggregation type welding controller 11 makes more compact structure along with translation mechanism 7 together moves, and power supply output is apart from shared copper bar 12 distances of projection welding electrode are nearer up and down, reduce long cable connection and caused energy loss, the assurance welding current is abundant, improves welding quality, thus energy savings.
Operation sequence
1, connect MEDWELD4000 power supply and electrical control cubicles power supply, after self check was finished, the HLMSTW indicator lamp on the main control box was bright;
2, start source of the gas stop valve and cumulative valve, open anchor clamps source of the gas and welding source of the gas;
3, rotating welding controller 11 is adjusted key switch and is converted adjustment modes to bond pattern on CE/operator panel PUP1; Slewing operator scheme key switch converts manual mode to automatic mode, presses the island start button, and welding machine runs to the piece installing position;
4, manually pack into M5.5 nut tap one place and passage back veneer under the effect of first guiding, are located workpiece by alignment pin; Manually pack into successively M6 * 100L30 bolt everywhere, M6 * 100L19 polished rod bolt two places, front chair fixing in stiffener two places;
5, the operator withdraws from the operator and protects grating region, the black mushroom button on the push person ACK button box PUPOP1, and equipment begins automatic operation.Special-purpose cylinder VF1, VF2, VF3, VF4, the motion clamping work pieces that puts in place that clamps;
6, behind the clamping work pieces, workbench moved to workpiece position to be welded under translation mechanism 7 drove, and hoisting mechanism 8 actions make workbench drop to workpiece position to be welded; Upper and lower workbench retaining mechanism is locked upper and lower workbench;
7, programme-control is carried out projection welding successively to above-mentioned nut and bolt;
8, upper and lower workbench retaining mechanism withdraws from, and removes the locking to upper and lower workbench; Hoisting mechanism 8 actions make workbench rise to the operating position, and workbench is gone up in last workbench retaining mechanism locking; Workbench moved to workpiece pickup position under translation mechanism 7 drove, and following workbench retaining mechanism locking is workbench down;
9, projection welding frock 14 clamp mechanism withdraw to clamp opens workpiece; The workpiece ejecting mechanism will be lifted on the workpiece;
10, artificial inloading part withdraws from a mushroom button of pressing once more on the PUPOP1 behind the grating region and finishes to confirm pickup, and ejecting mechanism is return automatically simultaneously; Program inserts above-mentioned 4 steps.
Claims (4)
1, the automatic projection welder of a kind of floating type multiple spot, comprise top electrode (1) and bottom electrode (2), it is characterized in that: be provided with positioning sleeve (3) in the described bottom electrode (2), be provided with insulating barrier (4) between positioning sleeve (3) and bottom electrode (2), the projection welding bolt (5) between top electrode (1) and the bottom electrode (2) is located through described positioning sleeve (3).
2, the automatic projection welder of floating type multiple spot according to claim 1 is characterized in that: described positioning sleeve (3) is a stainless steel positioning sleeve (3).
3, the automatic projection welder of floating type multiple spot according to claim 1 is characterized in that: described insulating barrier (4) is for casting in the epoxy resin layer between positioning sleeve (3) and the bottom electrode (2).
4, the automatic projection welder of floating type multiple spot according to claim 1, it is characterized in that: described projection welder also comprises frame (6), power supply and control section, frame (6) is by translation mechanism (7), hoisting mechanism (8), balanced controls (9) and safety pin (10) mechanism form, described power supply is that model is that the aggregation type welding controller (11) of MEDWELD4000 provides trigger impulse to intermediate frequency direct current welding inverter, and provide welding current by the MFDC inverter, described welding controller (11) is installed in translation mechanism (7) and goes up and together move with described translation mechanism (7), described bottom electrode (2) links to each other with the shared copper bar of following projection welding electrode (12) on the translation mechanism (7), and top electrode (1) links to each other with the shared copper bar of last projection welding electrode (13) through power connection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202232215U CN201333590Y (en) | 2008-12-08 | 2008-12-08 | Floating type multipoint automatic projection welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202232215U CN201333590Y (en) | 2008-12-08 | 2008-12-08 | Floating type multipoint automatic projection welding machine |
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| Publication Number | Publication Date |
|---|---|
| CN201333590Y true CN201333590Y (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202232215U Expired - Fee Related CN201333590Y (en) | 2008-12-08 | 2008-12-08 | Floating type multipoint automatic projection welding machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799536A (en) * | 2016-12-15 | 2017-06-06 | 芜湖普威技研有限公司 | A kind of order opens clamping device |
| CN107252961A (en) * | 2017-05-17 | 2017-10-17 | 广州广汽荻原模具冲压有限公司 | A kind of stud welding method and welder |
| CN108994440A (en) * | 2018-09-27 | 2018-12-14 | 天津七所高科技有限公司 | It is a kind of can timesharing sequence weld the projection welding top electrode structures of multiple nuts |
-
2008
- 2008-12-08 CN CNU2008202232215U patent/CN201333590Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799536A (en) * | 2016-12-15 | 2017-06-06 | 芜湖普威技研有限公司 | A kind of order opens clamping device |
| CN107252961A (en) * | 2017-05-17 | 2017-10-17 | 广州广汽荻原模具冲压有限公司 | A kind of stud welding method and welder |
| CN108994440A (en) * | 2018-09-27 | 2018-12-14 | 天津七所高科技有限公司 | It is a kind of can timesharing sequence weld the projection welding top electrode structures of multiple nuts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20111208 |