CN104259642B - A kind of electrode cap reconditioning more exchange device - Google Patents
A kind of electrode cap reconditioning more exchange device Download PDFInfo
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- CN104259642B CN104259642B CN201410493827.0A CN201410493827A CN104259642B CN 104259642 B CN104259642 B CN 104259642B CN 201410493827 A CN201410493827 A CN 201410493827A CN 104259642 B CN104259642 B CN 104259642B
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- electrode cap
- gear
- reconditioning
- claw
- upper cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/3063—Electrode maintenance, e.g. cleaning, grinding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention provides a kind of electrode cap reconditioning more exchange device, it comprises provision for disengagement, and provision for disengagement comprises for the removal hole of hold electrodes cap, for clamping the clamping body of motor cap; Removal hole is positioned at the center of disengage gear; Clamping body comprises linear drive apparatus; The damping mechanism driven by linear drive apparatus; Click-on mechanism, it comprises rotating shaft, claw, upper cover, lower cover; Rotating shaft is fixed between upper cover and lower cover, and catch jacket is established on the rotary shaft, and the number of claw is identical with the number of positive stop strip; Claw comprises the proximal part nearer apart from the center of circle of disengage gear and the distal end far away apart from the center of circle of disengage gear; The distal end of claw is arranged in the space of positive stop strip, and claw distal end is matched in clearance with coordinating between positive stop strip space; Contact with upper cover during damping mechanism braking and rub, upper cover being slowed down relative to disengage gear, and then makes the proximal part of claw stretch into removal hole and clamp electrode cap.
Description
Technical field
The invention belongs to a kind of electrode cap reconditioning more exchange device.
Background technology
Electrode cap belongs to the one of welding electrode, for the welding of resistance welding equipment, because be placed on electrode tie rod, so be called electrode cap.After welding certain number of times, need reconditioning or replacing due to wearing and tearing, belong to welding and consume component.
At present, modern production line generally adopts robot to carrying out spot-welded, the electrode cap that welding uses during robot welding by power on/off frequently with apply pressure, electrode cap wearing and tearing are very fast, electrode cap surface easily forms oxide layer, make electrode cap impaired, impaired electrode cap will have a strong impact on welding quality, for eliminating the wearing and tearing of electrode cap and anodizing layer to the harmful effect of welding, common way carries out reconditioning to electrode cap after electrode cap uses certain number of times, when by the permission thickness of the electrode cap outer wall thickness of reconditioning little ten regulations, the electrode cap that need more renew.
The reconditioning of existing electrode cap and replacing are divided into two techniques, and electrode cap polishing device is responsible for repairing electrode damage part, removes oxide layer; Electrode cap more exchange device primary responsibility to the dismounting of electrode cap and assembling.
Such as, Chinese patent application 201210130563.3 discloses a kind of desk-top electrode cap grinding device, for solving resistance electrode holder electrode cap reconditioning problem, it comprises motor and reducing gear, reconditioning cutter, electrode cap is installed and propulsive mechanism, shedding mechanism, workbench and electric control system, motor and reducing gear are arranged on below table surface, motor and reducing gear connect with reconditioning cutter, reconditioning cutter is provided with supports a left side, two cover blades of right two electrode caps reconditioning simultaneously, it is positioned at the middle position of table surface, install in axial float mode, electrode cap is installed and propulsive mechanism, shedding mechanism includes symmetrical two parts, they are installed on the table top of workbench.
Chinese patent application 201310382928.6 discloses the automatic more exchange device of a kind of independent type electric polar cap, comprise electrode cap and tear cap unit, electrode cap memory cell and sensing detection unit open, electrode cap memory cell and sensing detection unit are located at electrode cap respectively and are torn cap unit both sides open, connected by the form of inserting soon, sensing detection unit comprises an electrode cap dismounting detecting sensor, two electrode cap quantity detecting sensors and two stroke detection sensors.
In addition, market also there is automatic grinding and changed all-in-one.Such as, Chinese patent application 201310073457.0 discloses a kind of electrode dressing and changes all-in-one, for reconditioning and the replacing field of the electrode of automobile automatic welding production line, it comprises frame, be located at the driving head in frame and be located at and drive the electrode dressing unit on head and electrode cap to change unit, drive head to be provided with servomotor that drive electrode reconditioning unit and electrode cap change unit.It is driven by servomotor and drives the electrode dressing unit on head and electrode cap to change unit, completes the reconditioning of electrode and the replacing of electrode cap, makes the reconditioning of electrode cap and replacing realize automation and integrated.
The defect of technique scheme is, the clip claw mechanism complex structure of electrode cap more exchange device, cost of material and manufacturing cost high.
Summary of the invention
For the shortcoming of prior art, the object of this invention is to provide a kind of electrode cap reconditioning more exchange device, its click-on mechanism (clip claw mechanism) structure is simple, with low cost.
To achieve these goals, the invention provides a kind of electrode cap reconditioning more exchange device, it comprises head, and this head comprises:
Motor driver, it comprises motor and gear drive, and gear drive comprises by motor-driven input gear and the output gear that driven by input gear, and output gear comprises reconditioning gear and disengage gear; Disengage gear is hollow wheel gear, and on the inwall of the hollow of disengage gear, annular is evenly equipped with at least three positive stop strips, and positive stop strip is arc strip, is provided with space between adjacent positive stop strip;
Arrangement for grinding, it comprises the reconditioning edge of a knife rotated by reconditioning gear driven;
Provision for disengagement, it comprises for the removal hole of hold electrodes cap, for clamping the clamping body of motor cap; Removal hole is positioned at the center of disengage gear; Clamping body comprises:
Linear drive apparatus, such as cylinder or linear electric motors;
The damping mechanism driven by linear drive apparatus, under the driving of linear drive apparatus, the rotation of this damping mechanism to click-on mechanism upper cover and lower cover is braked;
Click-on mechanism, it comprises rotating shaft, claw, upper cover, lower cover; Rotating shaft is fixed between upper cover and lower cover, and catch jacket is established on the rotary shaft, and the number of claw is identical with the number of positive stop strip; Claw comprises the proximal part nearer apart from the center of circle of disengage gear and the distal end far away apart from the center of circle of disengage gear; The distal end of claw is arranged in the space of positive stop strip, and claw distal end is matched in clearance with coordinating between positive stop strip space;
Contact with upper cover during damping mechanism braking and rub, upper cover being slowed down relative to disengage gear, and then makes the proximal part of claw stretch into removal hole and clamp electrode cap.
In the present invention, upper cover and lower cover are annular, and the hole of upper cover and lower cover centre forms removal hole.
In the present invention, upper cover and lower cover can be working of plastics or metalwork; Particularly upper cover, because needs and damping mechanism frequently rub, its needs are wear-resistant, and thus upper cover and lower cover are preferably metalwork.
In the present invention, damping mechanism is equivalent to friction plate, moves ahead, and contact with the upper cover of click-on mechanism and rub under the driving effect of straight line driving mechanism.
In the present invention, in the distal end of the claw space between positive stop strip, the distal end that positive stop strip promotes claw that is rotated through of disengage gear rotates, and then the rotation of driven rotary axle, and then drives the rotation of claw.
In the present invention, when motor driver starts, disengage gear is driven to rotate; Linear drive apparatus starts simultaneously, drives damping mechanism to advance, damping mechanism is contacted with the upper cover of click-on mechanism, and by damping force, upper cover is slowed down relative to disengage gear, thus stir claw, make the distal end of claw stretch into removal hole to clamp electrode cap; Then disengage gear drives claw to rotate, and then drives electrode cap to rotate, and makes electrode cap loosen from electrode tie rod, remove and stay removal hole.Dismantle complete after, linear drive apparatus resets, and motor stops the rotation or reverse, and claw retraction, electrode cap drops from removal hole due to the effect of gravity.
In the present invention, motor driver drives reconditioning gear and disengage gear to rotate simultaneously, and that is, when reconditioning electrode cap, reconditioning gear rotates, and disengage gear also rotates simultaneously; In like manner, when dismounting electrode cap, disengage gear rotates, and reconditioning gear also rotates.Difference is, when reconditioning, and motor high-frequency rotating, such as its frequency is 40-80Hz; When dismounting, motor low frequency rotating, such as its frequency is 10-20Hz.
It should be noted that in addition in the present invention, the electrode cap of different size needs the claw being equipped with different model.
The frictional force brakes upper cover that click-on mechanism of the present invention is provided by damping mechanism, and then stir claw, its structure is simple, with low cost.
According to another detailed description of the invention of the present invention, the number of positive stop strip is 3-6.
According to another detailed description of the invention of the present invention, the proximal part of claw comprises arcwall face; The two ends, left and right of arcwall face are asymmetric, are respectively non-protruding end and external part; External part is longer than non-protruding end; After upper cover braking, the external part of claw stretches out in removal hole, and clamps electrode cap.
According to another detailed description of the invention of the present invention, damping mechanism comprises front damping mechanism, rear damping mechanism, and front damping mechanism, rear damping mechanism lay respectively at the two ends of upper cover; Front damping mechanism connects linear drive apparatus.That is, damping mechanism before linear drive apparatus drives, front damping mechanism extruding upper cover, damping mechanism after upper cover extruding, thus form front damping mechanism and rear damping mechanism to the clamping of upper cover.
According to another detailed description of the invention of the present invention, front damping mechanism comprises front damping sheet and front damping slide block, and rear damping mechanism comprises rear damping sheet and rear damping slide block; Damping sheet before front damping slide block embeds, damping sheet after rear damping slide block embeds; When braking, front damping slide block and rear damping slide block contact with upper cover and rub.Because the present invention to realize the toggle action to claw mainly through rubbing, the part wears that thus directly can contact with upper cover in damping mechanism quickly.For the ease of changing, front damping mechanism is divided into two parts, namely damping sheet and front damping slide block before, before front damping slide block embeds in damping sheet, like this, when current damping mechanism serious wear needs to change, only need change front damping slide block, and do not need damping mechanism before whole replacing, by such mode, realize saving cost.In like manner, rear damping mechanism is also divided into two parts, damping sheet and rear damping slide block namely, after rear damping slide block embeds in damping sheet, when rear damping mechanism serious wear needs to change, only need change rear damping slide block, and does not need damping mechanism after whole replacing.
According to another detailed description of the invention of the present invention, it comprises electrode cap feedway further, and electrode cap feedway comprises rotatable supplies trays, and supplies trays annular is evenly equipped with multiple electrode cap accommodation hole for hold electrodes cap.Electrode cap feedway can comprise the protecting cover covered in supplies trays further, and this protecting cover is provided with a cap bore, and this cap bore covers 2-3 electrode cap accommodation hole.Electrode cap in electrode cap accommodation hole, through this cap bore electrode insertion cap accommodation hole, puts by empty electrode tie rod.It is to be noted, the insertion position (electrode cap is arranged on the installation site on electrode tie rod) of electrode tie rod is fixed, it is such as the electrode cap accommodation hole place at cap bore side (left side or right side) edge, because supplies trays is rotate, thus using relatively-stationary cap bore as reference in feeding process.
According to another detailed description of the invention of the present invention, electrode cap feedway has two, is plugged in the left and right sides of head respectively; The electrode cap accommodation hole of the supplies trays of two electrode cap feedwaies distinguishes upward and down, correspondingly, the protecting cover of two electrode cap feedwaies is respectively protecting cover and lower protecting cover.By such setting, be convenient to electrode tie rod and insert from top and insert from below.
According to another detailed description of the invention of the present invention, electrode cap feedway comprises electrode cap catch, and this electrode cap catch is positioned at cap bore place (electrode cap is arranged on the installation site on electrode tie rod); Supplies trays inside is provided with the spring for driving rotation.When loading electrode cap in supplies trays, need supplies trays to rotate, the spring of supplies trays inside tightens by the process of this filling, makes the electrode cap of last filling withstand electrode cap catch.After being enclosed within electrode tie rod by an electrode cap, installation site is vacant, and under the driving effect of spring and the positioning action of electrode cap catch, next electrode cap moves to installation site.
According to another detailed description of the invention of the present invention, electrode cap feedway comprises the proximity switch carrying out when the electrode cap in supplies trays is empty reporting to the police further.
According to another detailed description of the invention of the present invention, it comprises further for confirming that electrode cap has been dismantled or mounted travel switch.
Compared with prior art, the present invention possesses following beneficial effect:
The frictional force brakes upper cover that click-on mechanism of the present invention is provided by damping mechanism, and then stir claw, its structure is simple, with low cost.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 be embodiment 1 electrode cap reconditioning more exchange device part-structure intention;
Fig. 2 is in embodiment 1, the structural representation of clamping body;
Fig. 3 is in embodiment 1, the structural representation of disengage gear;
Fig. 4 is in embodiment 1, and the part-structure schematic diagram of click-on mechanism, which show upper cover;
Fig. 5 is in embodiment 1, another part structural representation of click-on mechanism, and it does not show upper cover;
Fig. 6 is in embodiment 1, the structural representation of claw;
Fig. 7 is in embodiment 1, the part-structure schematic diagram of provision for disengagement;
Fig. 8 is in embodiment 1, the structural representation of left supply 2;
Fig. 9 is in embodiment 1, the structural representation of right supply 3.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, the electrode cap reconditioning of the present embodiment more exchange device comprise head 1, two electrode cap feedwaies (left supply 2 and right supply 3), travel switch.
Wherein, head comprises motor driver 11, arrangement for grinding 12, provision for disengagement 13.Motor driver comprises motor and gear drive, and gear drive comprises by motor-driven input gear and the output gear that driven by input gear, and output gear comprises reconditioning gear and disengage gear 111.Arrangement for grinding comprises the reconditioning edge of a knife rotated by reconditioning gear driven.Provision for disengagement comprises for the removal hole 131 of hold electrodes cap, for clamping the clamping body 4 of motor cap; Removal hole is positioned at the center of disengage gear.
As shown in Figure 2, clamping body 4 comprises linear drive apparatus (such as cylinder 41), damping mechanism 42, click-on mechanism 43.
Damping mechanism 42 comprises front damping mechanism, rear damping mechanism, and front damping mechanism, rear damping mechanism lay respectively at the two ends of upper cover; Front damping mechanism connects cylinder 41.Front damping mechanism comprises front damping sheet 421 and front damping slide block 422, and rear damping mechanism comprises rear damping sheet 423 and rear damping slide block 424; Front damping slide block 422 embeds front damping sheet 421, and rear damping slide block 424 embeds rear damping sheet 423; Front damping sheet 421 is driven by cylinder 41, and under the driving of cylinder 41, the rotation of front damping slide block 422 and rear damping slide block 424 pairs of upper covers is braked.When stirring, front damping slide block 422 contacts with upper cover with rear damping slide block 424.
As shown in Figure 3, disengage gear 111 is hollow wheel gear, and on the inwall of the hollow of disengage gear 111, annular is evenly equipped with five positive stop strips 132, and positive stop strip 132 is arc strip, is provided with space 133 between adjacent positive stop strip 132; As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, click-on mechanism comprises five rotating shafts 431, five claws 432, upper cover 433, lower covers 434.Upper cover 433 and lower cover 434 are annular, and rotating shaft 431 is fixed between upper cover 433 and lower cover 434, five rotating shafts 431 relative to upper cover 433 and lower cover 434 annular uniform.Claw 432 is set on rotating shaft 431.As shown in Figure 6, claw 432 comprises the proximal part 4321 nearer apart from the center of circle of disengage gear and the distal end 4322 far away apart from the center of circle of disengage gear; The proximal part 4321 of claw comprises arcwall face 4323; The two ends, left and right of arcwall face 4323 are asymmetric, are respectively non-protruding end 4324 and external part 4325; External part 4325 is longer than non-protruding end 4324.
As shown in Figure 7, the distal end 4322 of claw is arranged in the space 133 of positive stop strip 132, and coordinating between claw distal end 4322 with positive stop strip space 133 is matched in clearance; When front damping slide block 422 and rear damping slide block 424 pairs of upper covers 433 are braked, upper cover slows down relative to disengage gear, and then the external part 4325 of claw is stretched out in removal hole, and clamps electrode cap.
Left supply 2 and right supply 3 are plugged in the left and right sides of head respectively; As shown in Figure 8, left supply 2 comprise rotatable supplies trays 21, the protecting cover 22 covered in supplies trays, electrode cap catch 23, travel switch (not shown).
Supplies trays 21 annular is evenly equipped with multiple electrode cap accommodation hole 24 for hold electrodes cap.Protecting cover 22 is provided with a cap bore 25, and this cap bore 25 covers 2-3 electrode cap accommodation hole 24.Electrode cap in electrode cap accommodation hole, through this cap bore 25 electrode insertion cap accommodation hole, puts by empty electrode tie rod.Electrode cap catch 23 is positioned at cap bore place; Supplies trays 21 inside is provided with the spring 26 for driving rotation.The electrode cap accommodation hole 24 of supplies trays 21 upward.Proximity switch is used for reporting to the police when the electrode cap in supplies trays 21 is empty.
As shown in Figure 9, structure and the left supply 2 of right supply 3 are similar, but electrode cap accommodation hole down.
Travel switch is for confirming that electrode cap has been dismantled or installed.
Although the present invention discloses as above with preferred embodiment, and is not used to limit scope of the invention process.Any those of ordinary skill in the art, not departing from invention scope of the present invention, when doing a little improvement, namely every equal improvement done according to the present invention, should be scope of the present invention and contained.
Claims (10)
1. an electrode cap reconditioning more exchange device, is characterized in that, described electrode cap reconditioning more exchange device comprises head, and described head comprises:
Motor driver, it comprises motor and gear drive, and described gear drive comprises by described motor-driven input gear and the output gear that driven by described input gear, and described output gear comprises reconditioning gear and disengage gear; Described disengage gear is hollow wheel gear, and on the inwall of the hollow of described disengage gear, annular is evenly equipped with at least three positive stop strips, and described positive stop strip is arc strip, is provided with space between adjacent described positive stop strip;
Arrangement for grinding, it comprises the reconditioning edge of a knife rotated by described reconditioning gear driven;
Provision for disengagement, it comprises for the removal hole of hold electrodes cap, for clamping the clamping body of described motor cap; Described removal hole is positioned at the center of described disengage gear; Described clamping body comprises:
Linear drive apparatus;
The damping mechanism driven by described linear drive apparatus;
Click-on mechanism, it comprises rotating shaft, claw, upper cover, lower cover; Described rotating shaft is fixed between described upper cover and described lower cover, and described catch jacket is located on described rotating shaft, and the number of described claw is identical with the number of described positive stop strip; Described claw comprises the proximal part nearer apart from the center of circle of described disengage gear and the distal end far away apart from the center of circle of described disengage gear; The distal end of described claw is arranged in the space of described positive stop strip, and described claw distal end is matched in clearance with coordinating between described positive stop strip space;
Contact with described upper cover during described damping mechanism braking and rub, described upper cover being slowed down relative to described disengage gear, and then makes the proximal part of described claw stretch into described removal hole and clamp described electrode cap.
2. electrode cap reconditioning more exchange device as claimed in claim 1, is characterized in that, the number of described positive stop strip is 3-6.
3. electrode cap reconditioning more exchange device as claimed in claim 1, it is characterized in that, the proximal part of described claw comprises arcwall face; The two ends, left and right of described arcwall face are asymmetric, are respectively non-protruding end and external part; Described external part is longer than non-protruding end; After described upper cover braking, the described external part of described claw stretches out in described removal hole, and clamps described electrode cap.
4. electrode cap reconditioning more exchange device as claimed in claim 1, it is characterized in that, described damping mechanism comprises front damping mechanism, rear damping mechanism, and described front damping mechanism, rear damping mechanism lay respectively at the two ends of described upper cover; Described front damping mechanism connects described linear drive apparatus.
5. electrode cap reconditioning more exchange device as claimed in claim 4, it is characterized in that, described front damping mechanism comprises front damping sheet and front damping slide block, and described rear damping mechanism comprises rear damping sheet and rear damping slide block; Described front damping slide block embeds described front damping sheet, and described rear damping slide block embeds described rear damping sheet; When braking, described front damping slide block and described rear damping slide block contact with described upper cover and rub.
6. electrode cap reconditioning more exchange device as claimed in claim 1, it is characterized in that, comprise electrode cap feedway further, described electrode cap feedway comprises rotatable supplies trays, and described supplies trays annular is evenly equipped with multiple electrode cap accommodation hole for hold electrodes cap.
7. electrode cap reconditioning more exchange device as claimed in claim 6, it is characterized in that, described electrode cap feedway has two, is plugged in the left and right sides of described head respectively; The electrode cap accommodation hole of the supplies trays of described two electrode cap feedwaies respectively upward and down.
8. electrode cap reconditioning more exchange device as claimed in claim 6, it is characterized in that, described electrode cap feedway comprises electrode cap catch; Described supplies trays inside is provided with the spring for driving rotation.
9. electrode cap reconditioning more exchange device as claimed in claim 6, is characterized in that, described electrode cap feedway comprises the proximity switch carrying out when the electrode cap in described supplies trays is empty reporting to the police further.
10. electrode cap reconditioning more exchange device as claimed in claim 1, is characterized in that, comprising further for confirming that electrode cap has been dismantled or mounted travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493827.0A CN104259642B (en) | 2014-09-24 | 2014-09-24 | A kind of electrode cap reconditioning more exchange device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493827.0A CN104259642B (en) | 2014-09-24 | 2014-09-24 | A kind of electrode cap reconditioning more exchange device |
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| CN104259642A CN104259642A (en) | 2015-01-07 |
| CN104259642B true CN104259642B (en) | 2016-04-13 |
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| CN201410493827.0A Active CN104259642B (en) | 2014-09-24 | 2014-09-24 | A kind of electrode cap reconditioning more exchange device |
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| KR101605667B1 (en) * | 2014-02-06 | 2016-03-22 | 가부시키가이샤 교쿠토 | Apparatus for detaching spot welding electrode |
| CN106270997A (en) * | 2016-08-28 | 2017-01-04 | 合肥国声电子通信有限责任公司 | A kind of hand and machine people changeable intermediate frequency welding switch board |
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