CN107252986A - A kind of welding fixture and its application method - Google Patents
A kind of welding fixture and its application method Download PDFInfo
- Publication number
- CN107252986A CN107252986A CN201710395944.7A CN201710395944A CN107252986A CN 107252986 A CN107252986 A CN 107252986A CN 201710395944 A CN201710395944 A CN 201710395944A CN 107252986 A CN107252986 A CN 107252986A
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- Prior art keywords
- gravity block
- welding
- gravity
- block
- lower section
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Classifications
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Abstract
The present invention relates to a kind of welding fixture and its application method, welding fixture includes tool bottom plate, tool bottom plate lower surface sets insulation board with welding mesa-isolated, at least three gravity blocks are vertically arranged in tool plate upper surface, gravity stock material is conducting metal, top gravity block is fixed with lower section gravity block position, and the spacing between top gravity block and lower section gravity block is more than the thickness of middle gravity block, middle gravity block is in contact to switch welding positive and negative ground wire because of Action of Gravity Field with top gravity block or lower section gravity block.The present invention can not only switch welding positive and negative ground wire and improve welding quality to eliminate additional effect, and cost-effective.
Description
Technical field
The present invention relates to a kind of welding fixture and its application method, particularly a kind of electronic sitting-ups exercising apparatus welding fixture and its make
Use method.
Background technology
Electronic sitting-ups exercising apparatus mainboard is the important component of automotive seat, after the completion of general electronic mounting welding, is needed
Detected under closed environment, can be produced during automatic seat sitting-ups exercising apparatus start start it is bad with shake abnormal sound, cause on processing procedure
Long-standing problem and welding finished product can not be repaired, causes electronic mounting directly to scrap, and bad cost is high.Electronic face upward is found through finding out
When sleeping device mainboard freezes with axle center reverse side, electric current is by axle center, and because axle center inner teeth is not fitted completely with tooth, electric current passes through tooth
There is slight burn mark between wheel, cause to produce shake abnormal sound during sitting-ups exercising apparatus start, so as to restrict the development of seat welding production technology.
Thus, a kind of new welding fixture of research invention is significant.
The content of the invention
The present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., the technical problems to be solved by the invention are
A kind of welding fixture and its application method are provided, welding positive and negative ground wire can not only be switched to eliminate the extra shadow that welding is produced
Ring and improve welding quality, and cost-effective, method is ingenious.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of welding fixture, including tool bottom plate, are controlled
Have bottom plate lower surface to set insulation board, with welding mesa-isolated, at least three gravity to be vertically arranged in tool plate upper surface
Block, gravity stock material is conducting metal, and top gravity block is fixed with lower section gravity block position, and top gravity block and lower section gravity
Spacing between block is more than the thickness of middle gravity block, and middle gravity block is because of Action of Gravity Field and top gravity block or lower section gravity block
It is in contact to switch welding positive and negative ground wire.
Further, middle gravity block connects the polar curve of welding machine, and top gravity block is electrically connected with soldered underlying workpiece,
Lower section gravity block is electrically connected with soldered top workpiece.
Further, connected between gravity block by guide rod, middle gravity block is moved with Action of Gravity Field along guide rod；Weight
Power stock material is copper；Tool bottom plate is connected with welding table top by insulated dowel.
Further, the application method of welding fixture, comprises the following steps：Welding fixture is face-up, by least three
Workpiece order stacks fixed clamping on welding fixture, and middle gravity block connects the polar curve of welding machine, and top gravity block is with being soldered
Underlying workpiece electrical connection, lower section gravity block electrically connects with soldered top workpiece, middle gravity block because Action of Gravity Field and under
Square gravity block is in contact, and polar curve is electrically connected by middle gravity block, lower section gravity block with top workpiece, carries out positive welding；Just
After the completion of the welding of face, middle gravity block falls to being in contact with top gravity block with Action of Gravity Field, pole by welding fixture reverse side upward
Line is electrically connected by middle gravity block, top gravity block with underlying workpiece, carries out reverse side welding.
A kind of electronic sitting-ups exercising apparatus welding fixture, tool bottom plate lower surface sets insulation board, with welding mesa-isolated, controlling
Tool plate upper surface is vertically arranged at least three gravity blocks, and gravity stock material is conducting metal, top gravity block and lower section gravity
Block position is fixed, and the spacing between top gravity block and lower section gravity block is more than the thickness of middle gravity block, middle gravity block
Because Action of Gravity Field is in contact with top gravity block or lower section gravity block to switch welding positive and negative ground wire.
Further, middle gravity block connects the polar curve of welding machine, the outer recliner electricity of top gravity block and electronic sitting-ups exercising apparatus
Connection, lower section gravity block is electrically connected with the mainboard of electronic sitting-ups exercising apparatus.
Further, connected between gravity block by guide rod, middle gravity block is moved with Action of Gravity Field along guide rod；Weight
Power stock material is copper；Tool bottom plate is connected with welding table top by insulated dowel.
Further, in addition to alignment pin one, alignment pin two, alignment pin three, alignment pin four, locating piece one, locating piece two,
Locating piece three, clamp system one, clamp system two, clamp system three, gripping block, cylinder one, cylinder two, recliner support positioning
Mechanism, rotating cylinder, conductor wire one and conductor wire two, alignment pin one are used for the mainboard front end positioning of electronic sitting-ups exercising apparatus, locating piece one
Side for mainboard front end is positioned, and the bottom that locating piece two is used for mainboard front end is positioned, and clamp system one is made by cylinder one
It is dynamic to clamp mainboard；Alignment pin two is used for mainboard rear alignment, clamp system two and is clamped mainboard by the start of cylinder two；Angle modulation
Device supporting and positioning mechanism, alignment pin three and alignment pin four are used for the outer recliner for positioning electronic sitting-ups exercising apparatus, and rotating cylinder connection is clamped
Mechanism three is used to fix mainboard, axle center and outer recliner, and locating piece three, which is arranged on rotating cylinder, to be used for the progress of clamp system three
It is spacing；Set in tool bottom plate lower surface and take blame for others two, take blame for others one, a connection top plate one of taking blame for others, top are set in mainboard rear end side
Cylinder two connects top plate two to eject electronic sitting-ups exercising apparatus；One end access clamp system three upper end of conductor wire one, conductor wire one
Other end access lower section gravity block, one end access recliner supporting and positioning mechanism of conductor wire two, another termination of conductor wire two
Enter top gravity block, middle gravity block accesses welding machine negative line, and the gripping block of clamp system three is made using conducting metal.
The application method of electronic sitting-ups exercising apparatus welding fixture, comprises the following steps：Welding fixture is face-up, by outer angle modulation
Device, axle center, mainboard sequentially stack fixed clamping on welding fixture from top to bottom, and middle gravity block connects the polar curve of welding machine, on
Square gravity block is electrically connected with outer recliner, and lower section gravity block is electrically connected with mainboard, and middle gravity block is because of Action of Gravity Field and lower section weight
Power block is in contact, and polar curve is electrically connected by middle gravity block, lower section gravity block with mainboard, carries out positive welding；Weld in front
Cheng Hou, middle gravity block fall to being in contact with top gravity block by welding fixture reverse side upward with Action of Gravity Field, and polar curve is in
Between gravity block, top gravity block electrically connected with outer recliner, carry out reverse side welding.
Further, comprise the following steps that：
A. outer recliner is taken to load the recliner supporting and positioning mechanism of welding fixture, outer recliner positioning hole is inserted in welding fixture
Alignment pin three and alignment pin four；Take axle center to load outer recliner and be in outer recliner top, take mainboard to load determining for welding fixture
Position pin one, locating piece two and alignment pin two, the spacing mainboard of locating piece one, mainboard correspondence are arranged on axle center top；
B. the start controlling switch of welding fixture controls cylinder one, cylinder two and the rotating cylinder start of welding fixture by tracheae,
The clamp system one, clamp system two and clamp system three of welding fixture are closed into folder, automatic seat sitting-ups exercising apparatus is clamped；Welding fixture
Conductor wire one one end access clamp system three upper end, the clamping stock material of clamp system three is conducting metal, conductor wire one
The other end access lower section gravity block, conductor wire two one end access recliner supporting and positioning mechanism, the other end of conductor wire two
Access top gravity block, middle gravity block accesses welding machine negative line；
C. automatic welding is started, front welding, lower section gravity block is connected with middle gravity block, and only the mainboard of top is powered；Instead
Face is welded, and middle gravity block is connected with automatic fall to of positioner upset with top gravity block, and only the outer recliner of lower section is led to
Electricity；
D. after the completion of positive and negative welding, start controlling switch controls cylinder one, cylinder two and rotating cylinder start by tracheae, will press from both sides
Tight mechanism one, clamp system two and clamp system three drive folder；Start controlling switch takes blame for others two by tracheae control, take blame for others one, top
Cylinder plate two, plate one of taking blame for others take workpiece ejection convenient working personnel.
Compared with prior art, the invention has the advantages that：Negative pole is all connected on tool platform by usual welding procedure
Face, is powered by tool lower end, and this way easily makes the axle center of electronic sitting-ups exercising apparatus be powered, and fire is touched between tooth and tooth, can cause to face upward
Shake abnormal sound is produced during sleeping device start；The present invention, by tool lower end fitting insulating panels, makes tool according to the structure of electronic sitting-ups exercising apparatus
Separated with welding table top, welding negative line is arranged in the gripping block upper end of tool clamp system three, tool front axle center and side
Plate weld, makes electric current without by axle center；Electronic sitting-ups exercising apparatus mainboard is welded with axle center, tool increase gravity block switching welding positive and negative
Ground wire, it is to avoid when reverse side freezes, electric current is by axle center, because axle center inner teeth is not fitted completely with tooth, electric current by gear it
Between have slight burn mark, shake abnormal sound is produced when causing sitting-ups exercising apparatus start；Electronic sitting-ups exercising apparatus welding fixture increase gear welding slag copperhead,
Perforation is exposed in electronic sitting-ups exercising apparatus causes welding slag to fall into axle center internal tooth；It is fully solved start bad with shaking abnormal sound；Cost-effective,
Quality-improving.
Brief description of the drawings
Fig. 1 is the structural representation of the electronic sitting-ups exercising apparatus of the embodiment of the present invention, including assembles positive and negative view, decomposes positive and negative
Face view；
Fig. 2 is the structural representation of the welding fixture of the embodiment of the present invention；
Fig. 3 is structural representation of the electronic sitting-ups exercising apparatus clamping of the embodiment of the present invention on welding fixture；
Fig. 4 is the positive structure schematic of the tool bottom plate of the embodiment of the present invention；
Fig. 5 is the reverse structure schematic of the tool bottom plate of the embodiment of the present invention.
In figure：1- tool bottom plates, 2- alignment pins one, 3- insulation boards, 4- cylinders one, 5- clamp systems one, 6- locating pieces one,
7- locating pieces two, 8- cylinders two, 9- clamp systems two, 10- alignment pins two, 11- one, the 12- that take blame for others take blame for others plate one, 13- recliners
Gravity block below supporting and positioning mechanism, 14-, 15- insulated dowels, 16- draws handle, 17- alignment pins three, 18- alignment pins four, 19-
Rotating cylinder, 20- locating pieces three, 21- clamp systems three, 22- two, the 23- that take blame for others take blame for others plate two, 24- mainboards, 25- axle center, outside 26-
Gravity block above gravity block in the middle of recliner, 27- gripping blocks, 28- conductor wires one, 29- start controlling switches, 30-, 31-.
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
A kind of welding fixture, including tool bottom plate, tool bottom plate lower surface set insulation board with welding mesa-isolated,
Tool plate upper surface is vertically arranged at least three gravity blocks, and gravity stock material is conducting metal, top gravity block and lower section weight
Power block position is fixed, and the spacing between top gravity block and lower section gravity block is more than the thickness of middle gravity block, middle gravity
Block is in contact to switch welding positive and negative ground wire because of Action of Gravity Field with top gravity block or lower section gravity block.
Further, middle gravity block connects the polar curve of welding machine, and top gravity block is electrically connected with soldered underlying workpiece,
Lower section gravity block is electrically connected with soldered top workpiece.
Further, connected between gravity block by guide rod, middle gravity block is moved with Action of Gravity Field along guide rod；Weight
Power stock material is copper；Tool bottom plate is connected with welding table top by insulated dowel.
Further, the application method of welding fixture, comprises the following steps：Welding fixture is face-up, by least three
Workpiece order stacks fixed clamping on welding fixture, and middle gravity block connects the polar curve of welding machine, and top gravity block is with being soldered
Underlying workpiece electrical connection, lower section gravity block electrically connects with soldered top workpiece, middle gravity block because Action of Gravity Field and under
Square gravity block is in contact, and polar curve is electrically connected by middle gravity block, lower section gravity block with top workpiece, carries out positive welding；Just
After the completion of the welding of face, middle gravity block falls to being in contact with top gravity block with Action of Gravity Field, pole by welding fixture reverse side upward
Line is electrically connected by middle gravity block, top gravity block with underlying workpiece, carries out reverse side welding.
A kind of electronic sitting-ups exercising apparatus welding fixture, tool bottom plate lower surface sets insulation board, with welding mesa-isolated, controlling
Tool plate upper surface is vertically arranged at least three gravity blocks, and gravity stock material is conducting metal, top gravity block and lower section gravity
Block position is fixed, and the spacing between top gravity block and lower section gravity block is more than the thickness of middle gravity block, middle gravity block
Because Action of Gravity Field is in contact with top gravity block or lower section gravity block to switch welding positive and negative ground wire.
Further, middle gravity block connects the polar curve of welding machine, the outer recliner electricity of top gravity block and electronic sitting-ups exercising apparatus
Connection, lower section gravity block is electrically connected with the mainboard of electronic sitting-ups exercising apparatus.
Further, connected between gravity block by guide rod, middle gravity block is moved with Action of Gravity Field along guide rod；Weight
Power stock material is copper；Tool bottom plate is connected with welding table top by insulated dowel.
Further, in addition to alignment pin one, alignment pin two, alignment pin three, alignment pin four, locating piece one, locating piece two,
Locating piece three, clamp system one, clamp system two, clamp system three, gripping block, cylinder one, cylinder two, recliner support positioning
Mechanism, rotating cylinder, conductor wire one and conductor wire two, alignment pin one are used for the mainboard front end positioning of electronic sitting-ups exercising apparatus, locating piece one
Side for mainboard front end is positioned, and the bottom that locating piece two is used for mainboard front end is positioned, and clamp system one is made by cylinder one
It is dynamic to clamp mainboard；Alignment pin two is used for mainboard rear alignment, clamp system two and is clamped mainboard by the start of cylinder two；Angle modulation
Device supporting and positioning mechanism, alignment pin three and alignment pin four are used for the outer recliner for positioning electronic sitting-ups exercising apparatus, and rotating cylinder connection is clamped
Mechanism three is used to fix mainboard, axle center and outer recliner, and locating piece three, which is arranged on rotating cylinder, to be used for the progress of clamp system three
It is spacing；Set in tool bottom plate lower surface and take blame for others two, take blame for others one, a connection top plate one of taking blame for others, top are set in mainboard rear end side
Cylinder two connects top plate two to eject electronic sitting-ups exercising apparatus；One end access clamp system three upper end of conductor wire one, conductor wire one
Other end access lower section gravity block, one end access recliner supporting and positioning mechanism of conductor wire two, another termination of conductor wire two
Enter top gravity block, middle gravity block accesses welding machine negative line, and the gripping block of clamp system three is made using conducting metal.
The application method of electronic sitting-ups exercising apparatus welding fixture, comprises the following steps：Welding fixture is face-up, by outer angle modulation
Device, axle center, mainboard sequentially stack fixed clamping on welding fixture from top to bottom, and middle gravity block connects the polar curve of welding machine, on
Square gravity block is electrically connected with outer recliner, and lower section gravity block is electrically connected with mainboard, and middle gravity block is because of Action of Gravity Field and lower section weight
Power block is in contact, and polar curve is electrically connected by middle gravity block, lower section gravity block with mainboard, carries out positive welding；Weld in front
Cheng Hou, middle gravity block fall to being in contact with top gravity block by welding fixture reverse side upward with Action of Gravity Field, and polar curve is in
Between gravity block, top gravity block electrically connected with outer recliner, carry out reverse side welding.
Further, comprise the following steps that：
A. outer recliner is taken to load the recliner supporting and positioning mechanism of welding fixture, outer recliner positioning hole is inserted in welding fixture
Alignment pin three and alignment pin four；Take axle center to load outer recliner and be in outer recliner top, take mainboard to load determining for welding fixture
Position pin one, locating piece two and alignment pin two, the spacing mainboard of locating piece one, mainboard correspondence are arranged on axle center top；
B. the start controlling switch of welding fixture controls cylinder one, cylinder two and the rotating cylinder start of welding fixture by tracheae,
The clamp system one, clamp system two and clamp system three of welding fixture are closed into folder, automatic seat sitting-ups exercising apparatus is clamped；Welding fixture
Conductor wire one one end access clamp system three upper end, the clamping stock material of clamp system three is conducting metal, conductor wire one
The other end access lower section gravity block, conductor wire two one end access recliner supporting and positioning mechanism, the other end of conductor wire two
Access top gravity block, middle gravity block accesses welding machine negative line；
C. automatic welding is started, front welding, lower section gravity block is connected with middle gravity block, and only the mainboard of top is powered；Instead
Face is welded, and middle gravity block is connected with automatic fall to of positioner upset with top gravity block, and only the outer recliner of lower section is led to
Electricity；
D. after the completion of positive and negative welding, start controlling switch controls cylinder one, cylinder two and rotating cylinder start by tracheae, will press from both sides
Tight mechanism one, clamp system two and clamp system three drive folder；Start controlling switch takes blame for others two by tracheae control, take blame for others one, top
Cylinder plate two, plate one of taking blame for others take workpiece ejection convenient working personnel.
As shown in figure 1, electronic sitting-ups exercising apparatus is made up of mainboard 24, axle center 25 and outer recliner 26.
As shown in Figure 2-5, a kind of electronic sitting-ups exercising apparatus welding fixture equipment includes：The lower end of tool bottom plate 1 is used for fixed insulation
Plate 3 is isolated with welding table top；Insulated dowel 15 is used to prevent electric current to be sent to tool table top by metal fitting nail；It is fixed
Position pin 1, which is used for the positioning of the front end of mainboard 24, locating piece 1, is used for the side positioning of the front end of mainboard 24, and locating piece 27 is used for mainboard
The bottom positioning of 24 front ends, clamp system 1 is clamped mainboard 24 by the start of cylinder 1, and then ensures the stabilization of mainboard 24
Property；Alignment pin 2 10 is used for the rear alignment of mainboard 24, clamp system 29 and is clamped mainboard 24 by the start of cylinder 28；Recliner
Supporting and positioning mechanism 13, alignment pin 3 17 and alignment pin 4 18 are used for fixed outer recliner 26, the connection clamp system of rotating cylinder 19
3 21 are used for the axle center 25 of fixed outer recliner 26 and mainboard 24, and locating piece 3 20, which is arranged on rotating cylinder 19, to be used for clamping machine
Structure 3 21 carries out spacing；Workpiece positive and negative is switched by gravity block and connects welding ground, during the welding of front, lower section gravity block 14 is with
Between gravity block 30 be connected, only top mainboard be powered；When reverse side is welded, middle gravity block 30 drops automatically with positioner upset
To being connected with top gravity block 31, only the outer recliner of lower section is powered；Take blame for others and one 11 be arranged on mainboard rear end side and connect
Take blame for others plate 1,2 22 connections of taking blame for others are taken blame for others plate 2 23, taking blame for others 2 22 is fixed on the lower surface of tool bottom plate 1, after the completion of welding
The mechanism can eject workpiece, and convenient working personnel take；Draw and be fixed to tool plate upper surface 16, be easy to artificial change to control
Tool.
Perforation is exposed in electronic sitting-ups exercising apparatus welding fixture increase gear welding slag copperhead, electronic sitting-ups exercising apparatus causes welding slag to fall into axle center
Internal tooth.
The process for clamping electronic sitting-ups exercising apparatus and being welded is positioned using the welding fixture as follows：
A. outer recliner 26 is taken to load the recliner supporting and positioning mechanism 13 of tool, the outer positioning hole of recliner 26 is inserted in alignment pin three
17 and alignment pin 4 18；Take axle center 25 to load outer recliner 26 and be in the outer top of recliner 26, take mainboard 24 to load alignment pin one
2nd, locating piece 27 and alignment pin 2 10, the spacing mainboard 24 of locating piece 1, the correspondence of mainboard 24 are arranged on axle center top；
B. start controlling switch 29 controls cylinder 1, cylinder 28 and the start of rotating cylinder 19 by tracheae, by clamp system 1,
Clamp system 29 and clamp system 3 21 close folder, clamp automatic seat sitting-ups exercising apparatus；
C. shown in institute Fig. 3, after each member grip of automatic seat sitting-ups exercising apparatus, automatic welding, one end access folder of conductor wire one are started
Tight mechanism 3 21 upper end, the other end access lower section gravity block 14 of conductor wire one, one end access recliner support of conductor wire two
Detent mechanism 13, the other end access top gravity block 31 of conductor wire two, middle gravity block accesses welding machine negative line, clamp system
3 21 gripping block 27 is made using fine copper, when the axle center is welded with side plate, and electric current by axle center without avoiding axle center 25 from leading to
Electricity, touches fire, can cause to produce shake abnormal sound during sitting-ups exercising apparatus start between tooth and tooth；During the welding of front, lower section gravity block 14 is with
Between gravity block 30 be connected, only top mainboard be powered；When reverse side is welded, middle gravity block 30 drops automatically with positioner upset
To being connected with top gravity block 31, only the outer recliner of lower section is powered, so as to avoid electronic sitting-ups exercising apparatus mainboard and axle center reverse side
When freezing, electric current is by axle center, and because axle center inner teeth is not fitted completely with tooth, electric current is by there is slight burning between gear
Trace, causes to produce shake abnormal sound during sitting-ups exercising apparatus start；
D. weld after the completion of positive/negative face freezes, start controlling switch 29 passes through tracheae and controls cylinder 1, cylinder 28 and rotating cylinder
19 starts, folder is driven by clamp system 1, clamp system 29 and clamp system 3 21；Start controlling switch 29 passes through tracheae control
Take blame for others 2 22, take blame for others 1, plate 2 23 of taking blame for others, plate 1 of taking blame for others take workpiece ejection convenient working personnel.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of welding fixture, it is characterised in that：Including tool bottom plate, tool bottom plate lower surface set insulation board with welding bench
Face isolates, and at least three gravity blocks are vertically arranged in tool plate upper surface, and gravity stock material is conducting metal, top gravity block
Fixed with lower section gravity block position, and the spacing between top gravity block and lower section gravity block is more than the thickness of middle gravity block,
Middle gravity block is in contact to switch welding positive and negative ground wire because of Action of Gravity Field with top gravity block or lower section gravity block.
2. welding fixture according to claim 1, it is characterised in that：Middle gravity block connects the polar curve of welding machine, top weight
Power block is electrically connected with soldered underlying workpiece, and lower section gravity block is electrically connected with soldered top workpiece.
3. welding fixture according to claim 1 or 2, it is characterised in that：Connected between gravity block by guide rod, in
Between gravity block moved with Action of Gravity Field along guide rod；Gravity stock material is copper；Tool bottom plate passes through insulated dowel with welding table top
Connection.
4. the application method of the welding fixture according to one of claim 1-3, it is characterised in that：Comprise the following steps：Weldering
Connect tool face-up, at least three workpiece order is stacked into fixed clamping on welding fixture, middle gravity block connects welding machine
Polar curve, top gravity block electrically connect with soldered underlying workpiece, and lower section gravity block is electrically connected with the top workpiece being soldered,
Middle gravity block is in contact because of Action of Gravity Field with lower section gravity block, and polar curve passes through middle gravity block, lower section gravity block and top work
Part is electrically connected, and carries out positive welding；After the completion of the welding of front, middle gravity block is with Action of Gravity Field by welding fixture reverse side upward
Whereabouts is in contact with top gravity block, and polar curve is electrically connected by middle gravity block, top gravity block with underlying workpiece, carries out reverse side
Welding.
5. a kind of electronic sitting-ups exercising apparatus welding fixture, it is characterised in that：Including tool bottom plate, tool bottom plate lower surface sets insulation board
So that with welding mesa-isolated, at least three gravity blocks are vertically arranged in tool plate upper surface, gravity stock material is conducting metal,
Top gravity block is fixed with lower section gravity block position, and the spacing between top gravity block and lower section gravity block is more than middle gravity
The thickness of block, middle gravity block is in contact with switching welding positive and negative because of Action of Gravity Field with top gravity block or lower section gravity block
Line.
6. electronic sitting-ups exercising apparatus welding fixture according to claim 5, it is characterised in that：Middle gravity block connects the pole of welding machine
Line, top gravity block is electrically connected with the outer recliner of electronic sitting-ups exercising apparatus, and lower section gravity block is electrically connected with the mainboard of electronic sitting-ups exercising apparatus.
7. the electronic sitting-ups exercising apparatus welding fixture according to claim 5 or 6, it is characterised in that：Pass through guide rod between gravity block
Connect, middle gravity block is moved with Action of Gravity Field along guide rod；Gravity stock material is copper；Tool bottom plate passes through with welding table top
Insulated dowel is connected.
8. the electronic sitting-ups exercising apparatus welding fixture according to claim 5 or 6, it is characterised in that：Also include alignment pin one, positioning
Pin two, alignment pin three, alignment pin four, locating piece one, locating piece two, locating piece three, clamp system one, clamp system two, clamping
Mechanism three, gripping block, cylinder one, cylinder two, recliner supporting and positioning mechanism, rotating cylinder, conductor wire one and conductor wire two, positioning
Pin one, which is used for the mainboard front end positioning of electronic sitting-ups exercising apparatus, locating piece one, is used for the side positioning of mainboard front end, and locating piece two is used for
The bottom positioning of mainboard front end, clamp system one is clamped mainboard by the start of cylinder one；Alignment pin two is fixed for mainboard rear end
Position, clamp system two are clamped mainboard by the start of cylinder two；Recliner supporting and positioning mechanism, alignment pin three and alignment pin four are used
In the outer recliner for positioning electronic sitting-ups exercising apparatus, rotating cylinder connection clamp system three is used for mainboard, the axle center for fixing electronic sitting-ups exercising apparatus
With outer recliner, locating piece three is arranged on rotating cylinder spacing for being carried out to clamp system three；Set in tool bottom plate lower surface
Top set cylinder two, sets in mainboard rear end side and takes blame for others one, a connection top plate one of taking blame for others, takes blame for others two connection top plates two to face upward electronic
Sleeping device ejection；One end access clamp system three upper end of conductor wire one, the other end access lower section gravity block of conductor wire one is conductive
One end access recliner supporting and positioning mechanism of line two, the other end access top gravity block of conductor wire two, middle gravity block connects
Enter welding machine negative line, the gripping block of clamp system three is made using conducting metal.
9. the application method of the electronic sitting-ups exercising apparatus welding fixture according to one of claim 5-8, it is characterised in that：Including with
Lower step：Welding fixture is face-up, and outer recliner, axle center, mainboard are sequentially stacked to fixed clamping from top to bottom and controlled in welding
On tool, middle gravity block connects the polar curve of welding machine, and top gravity block is electrically connected with outer recliner, and lower section gravity block is electrically connected with mainboard
Connect, middle gravity block is in contact because of Action of Gravity Field with lower section gravity block, polar curve passes through middle gravity block, lower section gravity block and mainboard
Electrical connection, carries out positive welding；After the completion of the welding of front, middle gravity block is with Action of Gravity Field by welding fixture reverse side upward
Fall and be in contact with top gravity block, polar curve is electrically connected by middle gravity block, top gravity block with outer recliner, carry out reverse side weldering
Connect.
10. the application method of electronic sitting-ups exercising apparatus welding fixture according to claim 9, it is characterised in that：Specific steps are such as
Under：
Outer recliner is taken to load the recliner supporting and positioning mechanism of welding fixture, outer recliner positioning hole is inserted in determining for welding fixture
Position pin three and alignment pin four；Take axle center to load outer recliner and be in outer recliner top, take mainboard to load the positioning of welding fixture
Pin one, locating piece two and alignment pin two, the spacing mainboard of locating piece one, mainboard correspondence are arranged on axle center top；
The start controlling switch of welding fixture controls cylinder one, cylinder two and the rotating cylinder start of welding fixture by tracheae, will
Clamp system one, clamp system two and the clamp system three of welding fixture close folder, clamp automatic seat sitting-ups exercising apparatus；Welding fixture
One end access clamp system three upper end of conductor wire one, the gripping block of clamp system three is made using conducting metal, conductor wire one
The other end access lower section gravity block, conductor wire two one end access recliner supporting and positioning mechanism, the other end of conductor wire two
Access top gravity block, middle gravity block accesses welding machine negative line；
Start automatic welding, front welding, lower section gravity block is connected with middle gravity block, and only the mainboard of top is powered；Reverse side
Welding, middle gravity block is connected with automatic fall to of positioner upset with top gravity block, and only the outer recliner of lower section is powered；
After the completion of positive and negative welding, start controlling switch controls cylinder one, cylinder two and rotating cylinder start by tracheae, will clamp
Mechanism one, clamp system two and clamp system three drive folder；Start controlling switch takes blame for others two by tracheae control, take blame for others one, takes blame for others
Plate two, plate one of taking blame for others conveniently take workpiece ejection.
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| Publication number | Publication date |
|---|---|
| CN107252986B (en) | 2023-03-10 |
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