CN205817069U - The control device of mash welder and mash welder - Google Patents

The control device of mash welder and mash welder Download PDF

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Publication number
CN205817069U
CN205817069U CN201620555104.3U CN201620555104U CN205817069U CN 205817069 U CN205817069 U CN 205817069U CN 201620555104 U CN201620555104 U CN 201620555104U CN 205817069 U CN205817069 U CN 205817069U
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CN
China
Prior art keywords
mash welder
weldment
spot welding
pressed flat
electrode
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Withdrawn - After Issue
Application number
CN201620555104.3U
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Chinese (zh)
Inventor
吴森喜
康晓峰
杨银
卢键
张辛柱
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Schaffner Electromagnetic Compatibility Shanghai Co Ltd
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Schaffner Electromagnetic Compatibility Shanghai Co Ltd
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Priority to CN201620555104.3U priority Critical patent/CN205817069U/en
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Abstract

The control device of a kind of mash welder and mash welder, wherein mash welder includes electrode and the bottom electrode being positioned under described upper electrode;Described electric welding machine also includes flattening mechanism, and described pressing mechanism includes: drive division and pressed flat, and described drive division is used for: drive described pressed flat to flatten the weldment upper surface towards described upper electrode to the direction of described bottom electrode.Compared with the warpage of cramping weldment, the technical program utilizes pressed flat directly to flatten the upper surface of weldment.When the warped portion of weldment flushes with other parts of weldment upper surface, it is believed that weldment upper surface is smooth, utilize the mash welder of the technical program can control very well to flatten stopping opportunity, it is possible to effectively to keep weldment outward appearance concordance.

Description

The control device of mash welder and mash welder
Technical field
This utility model relates to mash welder technical field, particularly to the control device of a kind of mash welder and mash welder.
Background technology
Spot welding is a kind of form of resistance welding, is widely used in the welding occasion that weldment is two thin plates.
Seeing figures.1.and.2, mash welder includes electrode 1 and is positioned at the bottom electrode 2 below electrode 1, wherein bottom electrode 2 Being fixedly installed, upper electrode 1 can move up and down.In pinpoint welding procedure, upper electrode 1 moves downwardly to precompressed weldment 3, weldment 3 Support is on bottom electrode 2;Then, galvanization between upper electrode 1 and bottom electrode 2, solder joint A and neighbouring weldment 3 melt and produce Plastic deformation, two thin plates of weldment 3 merge at solder joint.
But, due to upper electrode 1 precompressed weldment 3, the weldment part plastic deformation around solder joint A, cause weldment edge to produce Raw warpage 5 so that product unfavorable condition occurs in outward appearance and size.The usual way of prior art is: after welding completes, With pliers is manual, warpage 5 is pressed from both sides flat, this bad control cramping dynamics and corresponding clamp stopping opportunity, produce weldment outward appearance consistent The risk that property is bad.
Utility model content
The problem that this utility model solves is, after the spot welding of prior art completes, manual by the weldment of warpage with pliers Part folder is flat, and this causes the risk that weldment outward appearance concordance is bad.
For solving the problems referred to above, this utility model provides a kind of mash welder, and mash welder includes electrode and is positioned on described Bottom electrode under electrode;Described electric welding machine also includes flattening mechanism, and described pressing mechanism includes: drive division and pressed flat, described Drive division is used for: drive described pressed flat to flatten the weldment upper surface towards described upper electrode to the direction of described bottom electrode.
Alternatively, described pressed flat has the window passed through for described upper electrode.
Alternatively, described drive division includes that drive rod, described drive rod are connected to described pressed flat, and described drive division is used In: drive described pressed flat to flatten the described upper surface of weldment to the direction of described bottom electrode by described drive rod.
Alternatively, described drive division includes cylinder, hydraulic cylinder, linear electric motors or electromagnetic valve.
Alternatively, described pressing mechanism also includes: guiding mechanism;Described guiding mechanism is used for: guide described pressed flat to The direction motion of described bottom electrode is to flatten the described upper surface of weldment.
Alternatively, described guiding mechanism includes: guide hole and for the guide pillar walked in described guide hole, described guide hole and institute State one of them in guide pillar and be located at described pressed flat and another is fixedly installed.
Alternatively, described pressed flat includes first paragraph, second segment and connects the linkage section of described first paragraph and second segment;Institute Stating first paragraph for flattening the upper surface of described weldment, described second segment is provided with described guiding mechanism, and described linkage section is for even Connect described drive division.
Alternatively, described mash welder also includes: control unit, and described control unit is used for: according to spot welding warpage signal control Making described drive division drives described pressed flat to move to the direction of described bottom electrode, to flatten the described upper surface of described weldment.
Alternatively, described mash welder also includes: timing unit;Described timing unit is used for: calculate the spot welding time, and in institute State the spot welding time reach preset the spot welding time time, produce described spot welding warpage signal.
Alternatively, described mash welder also includes: position monitoring unit;Described position monitoring unit is used for: monitor described The displacement of electrode, and when monitoring that on described, electrode moves away from described bottom electrode, produce described spot welding warpage signal.
Alternatively, described mash welder also includes: surface evenness measuring unit;Described surface evenness measuring unit is used In: in pinpoint welding procedure or spot welding terminate after measure the described upper surface of described weldment, and measuring described upper surface warpage Time, produce described spot welding warpage signal.
This utility model provides a kind of control device for any of the above-described described mash welder, controls device and includes controlling Unit, described control unit is used for: controls described drive division according to spot welding warpage signal and drives described pressed flat to described lower electricity The direction motion of pole, to flatten the described upper surface of described weldment.
Alternatively, described control device also includes: timing unit;Described timing unit is used for: the calculating spot welding time, and When the described spot welding time reaches to preset the spot welding time, produce described spot welding warpage signal.
Alternatively, described control device also includes: position monitoring unit;Described position monitoring unit is used for: monitoring is described The displacement of upper electrode, and when monitoring that on described, electrode moves away from described bottom electrode, produce described spot welding warpage signal.
Alternatively, described control device also includes: surface evenness measuring unit;Described surface evenness measuring unit is used In: in pinpoint welding procedure or spot welding terminate after measure the described upper surface of described weldment, and measuring described upper surface warpage Time, produce described spot welding warpage signal.
Compared with prior art, the technical solution of the utility model has the advantage that
After spot welding completes, drive division can be controlled and drive pressed flat to move from top to bottom, to by near the solder joint of weldment Warpage flatten so that weldment becomes smooth towards the upper surface of upper electrode.Compared with the warpage of cramping weldment, the technical program profit The upper surface of weldment is directly flattened by pressed flat.When the warped portion of weldment flushes with other parts of weldment upper surface, it is believed that Weldment upper surface is smooth, utilizes the mash welder of the technical program can control very well to flatten stopping opportunity, it is possible to effectively to keep weldering Part outward appearance concordance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mash welder of prior art;
Fig. 2 is the enlarged drawing in region B shown in Fig. 1;
Fig. 3 is the axonometric chart of the mash welder of this utility model specific embodiment;
Fig. 4 is in the mash welder of this utility model specific embodiment, control unit and the position view of timing unit;
Fig. 5 is in the mash welder of one variation of this utility model, the position signal of control unit and position monitoring unit Figure;
Fig. 6 is in the mash welder of another variation of this utility model, control unit and surface evenness measuring unit Position view.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this The specific embodiment of utility model is described in detail.
With reference to Fig. 3, mash welder includes: upper electrode 10, the bottom electrode 11 being positioned under electrode 10 and pressing mechanism 12.Flatten Mechanism 12 includes: drive division 13 and pressed flat 14.Drive division 13 is used for: drive pressed flat 14 to flatten weldering to the direction of bottom electrode 11 Part 15 is towards the upper surface 150 of upper electrode 10.
In pinpoint welding procedure, bottom electrode 11 is fixedly installed, the upper downward precompressed weldment 15 of electrode 10, the weldment limit near solder joint Edge warpage.In pinpoint welding procedure or some postwelding, pressed flat 14 can directly flatten the upper surface 150 of weldment 15 so that weldment sticks up Song flushes with other parts of the upper surface 150 of weldment 15, and the upper surface 150 of weldment 15 is smooth.Compared with the warpage of cramping weldment, The technical program is when the warped portion of weldment 15 flushes with other parts of the upper surface 150 of weldment 15, it is believed that weldment 15 Upper surface 150 is smooth, utilizes the mash welder of the technical program can control very well to flatten stopping opportunity, it is possible to effectively to keep weldment The outward appearance concordance of 15.
Before spot welding, drive division 13 can be controlled and drive pressed flat 14 to move to not to interfere electrode 10 normally to work Position, upper electrode 10 can effectively contact weldment 15, it is achieved the spot weld operation of butt-welding fitting 15.Upper electrode 10 is for having cuspidated post Body, bottom electrode 11 has plate face, and when spot welding, weldment 15 can be supported on the plate face of bottom electrode 11, the tip of upper electrode 10 It is against on weldment 15, and in weldment 15, forms solder joint.
Wherein, pressed flat 14 can be the lower surface of flat board, at least flat board be plane, not there is projection, can effectively press The upper surface of downhand welding part 15.
Pressed flat 14 has the window 140 passed through for upper electrode 10.Before spot welding, drive division 13 can drive pressed flat 14 move upward;When spot welding, upper electrode 10 can contact weldment 15 by window 140.When warpage occurs in weldment 15, control to drive Dynamic portion 13 drives pressed flat 14 to move downward, and window 140 makes pressed flat 14 will not interfere with electrode 10, and pressed flat 14 has simultaneously Effect flattens the warpage of weldment 15.
Drive division 13 includes that drive rod 16, drive rod 16 are connected to pressed flat 14, and drive division 13 is used for: by drive rod 16 Pressed flat 14 is driven to flatten the upper surface 150 of weldment 15 to the direction of bottom electrode 11.Now, drive rod 16 is parallel to electrode 10, drive rod 16 drives pressed flat 14 to be synchronized with the movement when moving up and down.Drive rod 16 can connect in the way of being bolted It is connected to pressed flat 14.
Drive division 13 can be cylinder, including having the cylinder body of cavity, the piston being positioned at cavity and resetting-mechanism, drives Lever 16 is connected to piston.By to empty interacvity air-filling, piston and drive rod 16 being driven to move upward;By in cavity Aerofluxus, resetting-mechanism drives piston and drive rod 16 to move downward.
Improving as one, drive division 13 can be hydraulic cylinder, and hydraulic cylinder uses fluid as driving medium and realizes living Plug and drive rod 16 move up and down.As a kind of variation, drive division 13 can include linear electric motors or electromagnetic valve.With electromagnetic valve As a example by, drive rod is connected to spool.To solenoid valves, spool can drive drive rod to move downward;Electromagnetic valve power-off, spool Drive rod can be driven to move up to reset.
Drive division 13 and bottom electrode 11 can be both supported upon on base station 20.
Flatten mechanism 12 also to include: guiding mechanism 17;Guiding mechanism 17 is used for: guide pressed flat 14 to the side of bottom electrode 11 To motion to flatten the upper surface 150 of weldment 15.During pressed flat 14 moves up and down, guide mechanism 17 plays guiding and makees With, keep pressed flat 14 easy motion.
Guide mechanism 17 includes: guide hole 18 and for the guide pillar 19 walked in guide hole 18, and wherein, guide hole 18 is arranged at pressure Flat portion 14, the most through pressed flat 14, guide pillar 19 is fixedly installed.When pressed flat 14 moves up and down, guide pillar 19 is being led Walking in hole 18, guide pillar 19 can limit pressed flat 14 and rock in the horizontal direction.Guide hole 18 can be through hole or blind hole.
As a kind of variation, guide pillar can be arranged on pressed flat, and guide hole is fixedly installed.Such as, guide hole is formed at fixing In the pedestal arranged.
Pressed flat 14 includes first paragraph 141, second segment 142 and connects first paragraph 141 and the linkage section of second segment 142 143.First paragraph 141 is for flattening the upper surface 150 of weldment 15, and window 140 is formed at first paragraph 141.Second segment 142 is provided with leads Guide hole 18 in mechanism 17.Linkage section 143 is used for connecting drive division 13.Drive division 13 connects pressure between pressed flat 14 two ends Flat portion 14, can realize pressed flat 14 to a certain extent and balance.Meanwhile, second segment 142 is provided with guiding mechanism 17, flattens Portion 14 can keep more preferable and must balance, weldment 15 by the pressure of first paragraph 141 in horizontal plane also ratio more uniform, it is to avoid occur Pressure is in concentration of local.
In conjunction with Fig. 4, mash welder also includes: control unit 30.Control unit 30 is used for: control to drive according to spot welding warpage signal Dynamic portion 13 drives pressed flat 14 to move to the direction of bottom electrode 11, to flatten the upper surface 150 of weldment 15.This can realize flattening Mechanism 12 automatically working, compared to prior art, the technical program saves man-hour, and efficiency is high.
Control unit 30 can be integrated in mash welder.Improve as one, one can be separately provided outside mash welder Individual control device, this control device includes described control unit 30.
Mash welder also includes: timing unit 31;Timing unit 31 is used for: calculates the spot welding time, and reaches in the spot welding time When presetting the spot welding time, produce spot welding warpage signal.Timing unit 31 can start timing when spot welding starts, such as from powering on Timing is started during galvanization between pole 10 and bottom electrode 11.The default spot welding time can be a weld through starting to warpage appearance substantially Time, this can be set by routine test or experience.Or, the default spot welding time can be a weld through starting to spot welding to tie The time of bundle.
Control unit 30 receives spot welding warpage signal from timing unit 31, controls drive division 13 and drives pressed flat 14 to make accordingly Motion.Timing unit 31 can be integrated in control unit 30.Or, timing unit 31 and control unit 30 can the most individually set Putting, timing unit 31 can select timer, and is set to communicate with control unit 30.
Timing unit 31 and control unit 30 can all be integrated in mash welder.Improve as one, can be at mash welder Outside be separately provided one control device, this control device includes timing unit 31 and control unit 30.
As a kind of variation, with reference to Fig. 3 and combine Fig. 5, mash welder also includes: position monitoring unit 40;Position monitoring Unit 40 is used for: the displacement of electrode 10 in monitoring, and when electrode 10 moves away from bottom electrode 11 on monitoring, produces spot welding and stick up Bent signal.In pinpoint welding procedure, upper electrode 10 first moves to against weldment 15 downwardly toward bottom electrode 11;After spot welding terminates, on Electrode 10 is upwardly away from bottom electrode 11 and moves.Therefore, position monitoring unit 40 can move downward it by electrode 10 on monitoring After, when moving upward, produce spot welding warpage signal.
Position monitoring unit 40 can be linear displacement transducer, is set to communicate with control unit 30.Position monitoring list Unit 40 can be integrated in control unit 30, or both can be separately provided.
Position monitoring unit 40 and control unit 30 can all be integrated in mash welder.Improve as one, can be at point Being separately provided one outside welding machine and control device, this control device includes position monitoring unit 40 and control unit 30.
As another kind of variation, with reference to Fig. 3 and combine Fig. 6, mash welder also includes: surface evenness measuring unit 50; Surface evenness measuring unit 50 is used for: in pinpoint welding procedure or spot welding terminate after measure weldment 15 upper surface 150, and survey When amount is to upper surface 150 warpage, produce described spot welding warpage signal.When warpage, surface smoothness occurs in the upper surface of weldment 15 Measuring unit 50 is excited and produces spot welding warpage signal.
Surface evenness measuring unit 50 can be scanning sensor.Operation scanning sensor horizontal movement, with scanning element The upper surface 150 of the weldment 15 of postwelding, and when scanning warpage, produce spot welding warpage signal.Surface evenness measuring unit 50 can be integrated in control unit 30, or both can be separately provided.
Surface evenness measuring unit 50 and control unit 30 can all be integrated in mash welder.Improve as one, can To be separately provided a control device outside mash welder, this control device includes surface evenness measuring unit 50 and controls single Unit 30.
Although this utility model discloses as above, but this utility model is not limited to this.Any those skilled in the art, Without departing from spirit and scope of the present utility model, all can make various changes or modifications, protection domain the most of the present utility model Should be as the criterion with claim limited range.

Claims (15)

1. a mash welder, including upper electrode and the bottom electrode being positioned under described upper electrode;
It is characterized in that, described electric welding machine also includes flattening mechanism, and described pressing mechanism includes: drive division and pressed flat, described Drive division is used for: drive described pressed flat to flatten the weldment upper surface towards described upper electrode to the direction of described bottom electrode.
2. mash welder as claimed in claim 1, it is characterised in that described pressed flat has the window passed through for described upper electrode Mouthful.
3. mash welder as claimed in claim 1, it is characterised in that described drive division includes drive rod, and described drive rod connects To described pressed flat, described drive division is used for: drive described pressed flat to press to the direction of described bottom electrode by described drive rod The described upper surface of downhand welding part.
4. mash welder as claimed in claim 1, it is characterised in that described drive division include cylinder, hydraulic cylinder, linear electric motors, Or electromagnetic valve.
5. mash welder as claimed in claim 1, it is characterised in that described pressing mechanism also includes: guiding mechanism;Described guiding Mechanism is used for: guide described pressed flat to the motion of the direction of described bottom electrode to flatten the described upper surface of weldment.
6. mash welder as claimed in claim 5, it is characterised in that described guiding mechanism includes: guide hole and for leading described One of them in the guide pillar walked in hole, described guide hole and described guide pillar is located at described pressed flat and another is fixedly installed.
7. mash welder as claimed in claim 5, it is characterised in that described pressed flat includes first paragraph, second segment and connects institute State the linkage section of first paragraph and second segment;
Described first paragraph is for flattening the upper surface of described weldment, and described second segment is provided with described guiding mechanism, described linkage section For connecting described drive division.
8. the mash welder as described in any one of claim 1~7, it is characterised in that described mash welder also includes:
Control unit, described control unit is used for:
Controlling described drive division according to spot welding warpage signal drives described pressed flat to move to the direction of described bottom electrode, to flatten The described upper surface of described weldment.
9. mash welder as claimed in claim 8, it is characterised in that described mash welder also includes: timing unit;
Described timing unit is used for: calculate the spot welding time, and when the described spot welding time reaches to preset the spot welding time, produces described Spot welding warpage signal.
10. mash welder as claimed in claim 8, it is characterised in that described mash welder also includes: position monitoring unit;Described Position monitoring unit is used for: monitors the displacement of described upper electrode, and moves away from described bottom electrode monitoring electrode on described Time, produce described spot welding warpage signal.
11. mash welders as claimed in claim 8, it is characterised in that described mash welder also includes: surface evenness measuring list Unit;Described surface evenness measuring unit is used for: in pinpoint welding procedure or spot welding terminate after measure described weldment described on table Face, and when measuring described upper surface warpage, produce described spot welding warpage signal.
12. 1 kinds of control devices for the mash welder described in any one of claim 1~7, it is characterised in that include controlling list Unit, described control unit is used for: controls described drive division according to spot welding warpage signal and drives described pressed flat to described bottom electrode Direction motion, to flatten the described upper surface of described weldment.
13. control device as claimed in claim 12, it is characterised in that described control device also includes: timing unit;Described Timing unit is used for: calculates the spot welding time, and when the described spot welding time reaches to preset the spot welding time, produces described spot welding warpage Signal.
14. control device as claimed in claim 12, it is characterised in that described control device also includes: position monitoring unit; Described position monitoring unit is used for: monitor the displacement of described upper electrode, and is monitoring on described electrode away from described bottom electrode During motion, produce described spot welding warpage signal.
15. control device as claimed in claim 12, it is characterised in that described control device also includes: surface smoothness is surveyed Amount unit;Described surface evenness measuring unit is used for: in pinpoint welding procedure or spot welding terminate after measure described in described weldment Upper surface, and when measuring described upper surface warpage, produce described spot welding warpage signal.
CN201620555104.3U 2016-06-08 2016-06-08 The control device of mash welder and mash welder Withdrawn - After Issue CN205817069U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106862696A (en) * 2016-12-28 2017-06-20 无锡市雷克莱特电器有限公司 Full automatic superconducting body microwelding equipment welding gun mechanism
CN107470761A (en) * 2016-06-08 2017-12-15 夏弗纳电磁兼容(上海)有限公司 The control device and control method of mash welder and mash welder
CN109014525A (en) * 2018-10-15 2018-12-18 珠海市艾森科技有限公司 PIN needle spot-welding mechanism and its welding method, automobile coil-winding spot welding assembly line

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107470761A (en) * 2016-06-08 2017-12-15 夏弗纳电磁兼容(上海)有限公司 The control device and control method of mash welder and mash welder
CN107470761B (en) * 2016-06-08 2024-02-20 夏弗纳电磁兼容(上海)有限公司 Spot welding machine and control device and control method thereof
CN106862696A (en) * 2016-12-28 2017-06-20 无锡市雷克莱特电器有限公司 Full automatic superconducting body microwelding equipment welding gun mechanism
CN109014525A (en) * 2018-10-15 2018-12-18 珠海市艾森科技有限公司 PIN needle spot-welding mechanism and its welding method, automobile coil-winding spot welding assembly line

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