CN206230145U - indirect welding gun - Google Patents
indirect welding gun Download PDFInfo
- Publication number
- CN206230145U CN206230145U CN201621034187.8U CN201621034187U CN206230145U CN 206230145 U CN206230145 U CN 206230145U CN 201621034187 U CN201621034187 U CN 201621034187U CN 206230145 U CN206230145 U CN 206230145U
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- rifle arm
- welding gun
- side rifle
- active side
- gathering sill
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Abstract
The utility model is related to a kind of indirect welding gun, including the drive device that torch body, power transmission shaft, base, the guide plate on base, driving torch body are opened or closed, torch body includes the affixed side rifle arm and active side rifle arm that are oppositely arranged up and down, affixed side rifle arm is fixed on guide plate, active side rifle arm is flexibly connected with drive device, guide plate is provided with the gathering sill being adapted to active side rifle arm event trace, active side rifle arm is connected with power transmission shaft, and the bearing for being rolled with gathering sill and being coordinated is stretched into gathering sill and be provided with one end of power transmission shaft.The end that power transmission shaft stretches into gathering sill is provided with bearing, realize the rolling friction of active side rifle arm and gathering sill, greatly reduce the frictional force produced by the pressure for compressing guide plate, greatly improve the electrode end surface pressure of indirect welding gun, solving scene craft wire bonding rifle cannot provide the welding requirements of high pressure.And the electrode end surface pressure size of the indirect welding gun can realize that versatility is good by the driving force size of design driven device.
Description
Technical field
The utility model is related to Automobile Welding technical field, more particularly to a kind of indirect welding gun.
Background technology
Bus body strength will can protect the safety of driver when Automobile Design developing direction should consider collision scenario, and
Consider the fuel economy of automobile.The weight of vehicle plays a key effect to the oil consumption for reducing automobile, two sections for importing at present
The constituting parts of new model 2LX, 2TW body frame can improve the strong of vehicle body with regard to substantial amounts of importing high-strength steel sheet, this steel plate
Degree, can effectively reduce car body weight again.But requirement of the high-strength steel sheet to welding pressure condition is higher than general steel plate, common
Welding gun cannot provide the pressure for meeting welding requirements.The passing welding post to partly using high-strength steel sheet, sets special 400
The manual welding gun of kgf, correspondence high-strength panel solder joint is welded on fixture, and do so should increase a set of special
With welding equipment, an increasing is increased again and beats welding post, cost of investment is both increased for production technology, people is increased again
Member's input, is unfavorable for the requirement of lean production.
Utility model content
The purpose of this utility model is to provide a kind of indirect welding gun, can solve the problem that live craft wire bonding rifle cannot provide height
The welding requirements of pressure, low cost, versatility is good.
To realize the purpose of this utility model, adopt the technical scheme that：
A kind of indirect welding gun, including torch body, power transmission shaft, base, the guide plate on base, driving torch body
The drive device for opening or closing, torch body includes the affixed side rifle arm and active side rifle arm that are oppositely arranged up and down, affixed side
Rifle arm is fixed on guide plate, and active side rifle arm is flexibly connected with drive device, and guide plate is provided with and active side rifle arm active rail
The gathering sill of mark adaptation, active side rifle arm is connected with power transmission shaft, and one end of power transmission shaft is stretched into gathering sill and is provided with and gathering sill
Roll the bearing for coordinating.
Active side rifle arm realizes the reciprocating motion of orientation track in the presence of drive device along the gathering sill of guide plate,
During drive device drives active side rifle arm to the side shifting of affixed side rifle arm one, its driving force produces power during exercise
Decompose, the Force decomposition into the motive force to affixed side rifle arm side moving direction and compress guide plate pressure, due to pass
The end that moving axis stretches into gathering sill is provided with bearing, realizes the rolling friction of active side rifle arm and gathering sill, greatly reduces because compressing
The pressure of guide plate and the frictional force that produces, improve the transmission efficiency of drive device driving force, make the electrode end surface of indirect welding gun
Pressure is greatly improved, and solving scene craft wire bonding rifle cannot provide the welding requirements of high pressure.And the electrode of the indirect welding gun
End force size can be realized by the driving force size of design driven device, its simple structure, low cost, versatility
It is good.
Technical scheme is further illustrated below：
It is further that guide plate has two, and two guide plates are symmetricly set on base, affixed side rifle arm and active side
Rifle arm is respectively positioned between two guide plates, and the two ends of power transmission shaft are respectively protruding into one of gathering sill and are equipped with bearing.Transmission
Axle stretches out and inserts in gathering sill from the both sides of active side rifle arm, makes the work of active side rifle arm more stable, more conducively weldering indirectly
The high pressure design of rifle.
It is further that drive device includes piston rod, drives the cylinder of piston rod movement, piston rod to pass through bearing pin and work
Dynamic side rifle arm is hinged.The motion of active side rifle arm is driven indirectly by cylinder, and the clamping realized to workpiece is coordinated with affixed side rifle arm
And release, and active side rifle arm realizes being flexibly connected with drive device by bearing pin.
It is further that gathering sill includes interconnected vertical guide groove and lateral guide groove, vertical guide groove is put down with piston rod
Row is set, and power transmission shaft is located at the top of bearing pin and is be arranged in parallel with bearing pin.Active side rifle arm is set to be relatively fixed the opening of side rifle arm
Movement locus is opened in the way of being swung after first straight line, and the dry of peripheral parts can be effectively avoided in narrow and small working space
Relate to, make the versatility of indirect welding stronger.
It is further that the two ends of bearing pin are respectively protruding into one of gathering sill and are equipped with bearing.Make cylinder piston rod
The stability of expanding-contracting action is higher, and avoids causing the phenomenon of piston rods bend, unstability because the lateral force of bearing pin is excessive.
It is further that active side rifle arm is located at the surface of affixed side rifle arm.
It is further that the front end of affixed side rifle arm is provided with first electrode, and rear end is provided with electrically connected with first electrode
One conductive strips, the front end of active side rifle arm is provided with the second electrode coordinated with first electrode, and rear end is provided with and is electrically connected with second electrode
The second conductive strips for connecing.When affixed side rifle arm and active side rifle arm are closed, first electrode and second electrode are just right, make first electrode
Bond pad locations are just pressed in second electrode.
It is further that indirect welding gun also includes installing guiding mechanism, installing guiding mechanism is included for connecting welding folder
The mounting seat of tool, the guide post being vertically installed in mounting seat, the sliding sleeve being socketed on guide post and spring and located at guide post
The block of bottom, the two ends of spring are offseted with block and sliding sleeve respectively, and sliding sleeve is fixed on base.Convenient whole welding gun indirectly exists
Installation on weld jig.
It is further to be provided with sealed cistern in active side rifle arm.Will when active side rifle arm works by sealed cistern
Waste heat is taken away, and improves the service life of active side rifle arm.
It is further that bearing outside is connected to axle sleeve.Strengthen the outer ring compression strength of bearing, make the service life of bearing more
Long, the work of indirect welding gun is more stable.
Compared with prior art, the utility model has the advantages that：
Active side rifle arm of the present utility model realizes orientation rail in the presence of drive device along the gathering sill of guide plate
The reciprocating motion of mark, during drive device drives active side rifle arm to the side shifting of affixed side rifle arm one, its driving force exists
Force resolution is produced in motion, the Force decomposition is into the motive force to affixed side rifle arm side moving direction and compresses guide plate
Pressure, because the end that power transmission shaft stretches into gathering sill is provided with bearing, realize the rolling friction of active side rifle arm and gathering sill, greatly
It is big to reduce the frictional force produced by the pressure for compressing guide plate, the transmission efficiency of drive device driving force is improved, make weldering indirectly
The electrode end surface pressure of rifle is greatly improved, and solving scene craft wire bonding rifle cannot provide the welding requirements of high pressure.And between being somebody's turn to do
The electrode end surface pressure size for connecing welding gun can be realized by the driving force size of design driven device, its simple structure, into
This low, versatility is good.
Brief description of the drawings
Fig. 1 is the structural representation of the indirect welding gun of the utility model embodiment；
Fig. 2 is the A direction views of Fig. 1.
Description of reference numerals：
10. power transmission shaft, 20. bases, 30. guide plates, 310. gathering sills, 311. vertical guide grooves, 312. lateral guide grooves, 40.
Affixed side rifle arm, 410. first electrodes, 420. first conductive strips, 50. active side rifle arms, 510. second electrodes, 520. second lead
Electric band, 60. bearings, 710. piston rods, 720. cylinders, 730. bearing pins, 80. axle sleeves, 90. installation guiding mechanisms, 910. mounting seats,
920. guide posts, 930. sliding sleeves, 940. springs, 950. blocks.
Specific embodiment
Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of indirect welding gun, including torch body, power transmission shaft 10, base 20, leading on base 20
To the drive device that plate 30, driving torch body are opened or closed, torch body includes the affixed side rifle arm being oppositely arranged up and down
40 and active side rifle arm 50, affixed side rifle arm 40 is fixed on guide plate 30, and active side rifle arm 50 is flexibly connected with drive device,
Guide plate 30 is provided with the gathering sill 310 being adapted to the event trace of active side rifle arm 50, and active side rifle arm 50 is connected with power transmission shaft 10,
Stretch into gathering sill 310 and be provided with the bearing 60 for being rolled with gathering sill 310 and being coordinated in one end of power transmission shaft 10.
Active side rifle arm 50 realizes the past of orientation track in the presence of drive device along the gathering sill 310 of guide plate 30
Multiple motion, during drive device drives active side rifle arm 50 to the side shifting of affixed side rifle arm 40 1, its driving force is in fortune
Force resolution is produced in dynamic, the Force decomposition is oriented into the motive force F1 to the side moving direction of affixed side rifle arm 40 and compression
The pressure F2 of plate 30, because the end that power transmission shaft 10 stretches into gathering sill 310 is provided with bearing 60, realizes active side rifle arm 50 and is oriented to
The rolling friction of groove 310, greatly reduces the frictional force produced by the pressure for compressing guide plate 30, improves drive device driving force
Transmission efficiency, greatly improve the electrode end surface pressure of indirect welding gun, solve scene craft wire bonding rifle high pressure cannot be provided
Welding requirements.And the electrode end surface pressure size of the indirect welding gun can by the driving force size of design driven device come
Realize, such as drive device is then realized in the form of cylinder 720 by adjusting the diameter of cylinder 720 and piston cross-section size
Adjustment, its simple structure, low cost, versatility are good.
In the present embodiment, active side rifle arm 50 is located at the top of affixed side rifle arm 40, and the structure of indirect welding gun is according to weldering
Into c-type welding gun, indirect welding gun can also according to actual needs be set to other structures to the Position Design of welding fixture and workpiece solder joint
Form.
As depicted in figs. 1 and 2, guide plate 30 has two, and two Symmetrical verticals of guide plate 30 are arranged on base 20, fixed
Side rifle arm 40 and active side rifle arm 50 are respectively positioned between two guide plates 30, and one of gathering sill is stretched into one end of power transmission shaft 10
310, the other end stretches into another gathering sill 310, and its two ends and is equipped with bearing 60, and drive device includes piston rod 710, drives
The cylinder 720 of the movement of piston bar 710, piston rod 710 is hinged by bearing pin 730 with active side rifle arm 50, and gathering sill 310 includes
Interconnected vertical guide groove 311 and lateral guide groove 312, vertical guide groove 311 be arranged in parallel with piston rod 710, power transmission shaft 10
It is be arranged in parallel in the top of bearing pin 730 and with bearing pin 730.When welding gun is opened, the piston rod 710 of cylinder 720 pushes up activity
Side rifle arm 50, the constraint due to vertical guide groove 311 to power transmission shaft 10, active side rifle arm 50 is relatively fixed side rifle arm 40 and is transported with straight line
Dynamic mode is opened；When power transmission shaft 10 moves to the intersection of vertical guide groove 311 and lateral guide groove 312, the piston of cylinder 720
Bar 710 continues up promotion active side rifle arm 50, and power transmission shaft 10 will be moved transversely guide groove 312, and active side rifle arm 50 will be around
Bearing pin 730 produces rotation, then active side rifle arm 50 is relatively fixed side rifle arm 40 and continues to open in an oscillatory manner.Welding gun is closed
When, the piston rod 710 of cylinder 720 pulls downward on active side rifle arm 50, and active side rifle arm 50 will reversely be transported along above-mentioned opening track
It is dynamic, finally clamp welding workpiece.Guide effect by gathering sill 310 to active side rifle arm 50, makes active side rifle arm 50 relative
The opening action track of affixed side rifle arm 40 is opened in the way of being swung after first straight line, can be in narrow and small working space effectively
The interference of peripheral parts is avoided, the opening degree size of the rifle arm of indirect welding gun can also be by designing two length of gathering sill 310
To realize, make the versatility of indirect welding stronger.
In the present embodiment, the motion of active side rifle arm 50 is driven indirectly by cylinder 720, and reality is coordinated with affixed side rifle arm 40
Now to the clamping and release of workpiece.As the diameter 100mm of cylinder 720, during bleed pressure 0.55Mpa, F1=P air pressure × S piston areas
Product, close theory Top electrode end force can reach 400 kgfs, but using the drive mechanism of common indirect welding gun,
The actual measurement of electrode end surface pressure only has 280 kgfs, and the two ends of the utility model power transmission shaft 10 are provided with bearing 60, make power transmission shaft
Using being in rolling contact between 10 and gathering sill 310, welding gun electrode end face output pressure reaches 400 kilograms of design requirement after tested
Power.Because welding gun plus-pressure is big, bearing pin 730 will consider the durability of axle when designing, and strong in order to improve welding gun life-span and structure
Degree, from high-strength material high-tensile strength brass HBSC2 castings Forging Technology, simultaneously Butt welding gun carries out durability experiment confirmation welding gun shunting
Property, rifle arm intensity and endurance life.
As shown in figure 1, being socketed with axle sleeve 80 outside bearing 60, strengthen the outer ring compression strength of bearing 60, make making for bearing 60
Longer with the life-span, the work of indirect welding gun is more stable, is tested through the durable-press of 600,000 times, and bearing 60 is all without bursting.
As depicted in figs. 1 and 2, one of gathering sill 310 is stretched into one end of bearing pin 730, and the other end stretches into another and leads
To groove 310, and its two ends is equipped with bearing 60, makes the stability of the expanding-contracting action of 720 piston rod of cylinder 710 higher, and due to perpendicular
Sidewise restraint to guide groove 311 to bearing pin 730, the side force for receiving bearing pin 730 is balanced, so as to avoid because of bearing pin 730
Lateral force it is excessive and cause piston rod 710 to bend, the phenomenon of unstability.
As shown in figure 1, the front end of affixed side rifle arm 40 is provided with first electrode 410, rear end is provided with and is electrically connected with first electrode 410
The first conductive strips 420 for connecing, the front end of active side rifle arm 50 is provided with the second electrode 510 coordinated with first electrode 410, and rear end sets
There are the second conductive strips 520 electrically connected with second electrode 520.When affixed side rifle arm 40 and active side rifle arm 50 are closed, the first electricity
Pole 410 and second electrode 520 are just right, according to solder joint correspondence position on high-strength steel sheet workpiece, make affixed side rifle arm 40 and activity
First electrode 410 and second electrode 520 are just pressed in bond pad locations during rifle 50 closure of arm of side.The cable connector of welding gun is connected to logical
One end of water welding cable, the other end of Water cooling cable is connected to the welding copper coin of chuck side, when employee presses clamping button
Indirect welding gun electrode can clamp workpiece, and employee operates manual welding gun to clamp welding copper coin and realize being powered, workpiece solder joint is carried out again
Welding, employee presses opening button after the completion of welding, and the electrode of indirect welding gun unclamps the welding completed to workpiece.
In the present embodiment, in order to ensure the centering of first electrode 410 and second electrode 520, it is used on guide plate 30
The fixing hole requirement on machining accuracy of fixed affixed side rifle arm 40 and active side rifle arm 50 is 0.01mm, and using standard component MISUMI
Contour bolt connection.
As shown in figure 1, welding gun also includes installing guiding mechanism 90 indirectly, installing guiding mechanism 90 includes being used for connecting welding
The mounting seat 910 of fixture, the guide post 920 being vertically installed in mounting seat 910, the and of sliding sleeve 930 being socketed on guide post 920
Spring 940 and the block 950 located at the bottom of guide post 920, the two ends of spring 940 offset with block 950 and sliding sleeve 930 respectively,
Sliding sleeve 930 is fixed on base 20, convenient whole installation of the welding gun on weld jig indirectly.
Affixed side rifle arm is fixed, and the first electrode 410 of affixed side rifle arm 40 needs 0-10mm scopes movably to mend
Repay, so as to compensating electrode abrasion and workpiece deformation fluctuation.In the present embodiment, first electrode 410 is adjusted to patch when in use
Workpiece face is closed, design piston rod 710 of cylinder 720 when clamped condition is closed also has retraction surplus 14mm, meets first electrode
The 410 wear automatic-compensation amounts of exercise for having 7mm；When first electrode 410 reaches abrasion 7mm, whole branch welding gun can be in active side rifle
Under the effect of the thrust of arm 50, move upward to the laminating interplanar distance of mounting seat 910 for 0mm at.
Sealed cistern (accompanying drawing is not identified) is provided with active side rifle arm 50, is worked in active side rifle arm 50 by sealed cistern
When waste heat is taken away, improve the service life of active side rifle arm 50.Welding gun galvanization can produce heating, affixed side rifle arm
40 and active side rifle arm 50 have part fever phenomenon, to avoid because of the stuck problem of rifle arm that heating causes, the He of affixed side rifle arm 40
The requirement on machining accuracy of active side rifle arm 50 is -0.05/0.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of indirect welding gun, it is characterised in that including torch body, power transmission shaft, base, the guiding on the base
The drive device that plate, the driving torch body are opened or closed, the torch body includes the affixed side being oppositely arranged up and down
Rifle arm and active side rifle arm, the affixed side rifle arm are fixed on the guide plate, and the active side rifle arm drives dress with described
Flexible connection is put, the guide plate is provided with the gathering sill being adapted to the active side rifle arm event trace, the active side rifle arm
It is connected with the power transmission shaft, one end of the power transmission shaft is stretched into the gathering sill and is provided with to be rolled with the gathering sill and coordinates
Bearing.
2. indirect welding gun according to claim 1, it is characterised in that the guide plate has two, two guide plates
It is symmetricly set on the base, the affixed side rifle arm and the active side rifle arm are respectively positioned between two guide plates,
The two ends of the power transmission shaft are respectively protruding into one of them described gathering sill and are equipped with the bearing.
3. indirect welding gun according to claim 2, it is characterised in that the drive device include piston rod, drive it is described
The cylinder of piston rod movement, the piston rod is hinged by bearing pin with the active side rifle arm.
4. indirect welding gun according to claim 3, it is characterised in that the gathering sill includes interconnected vertical guide groove
And lateral guide groove, the vertical guide groove be arranged in parallel with the piston rod, the power transmission shaft be located at the top of the bearing pin and with
The bearing pin be arranged in parallel.
5. indirect welding gun according to claim 3, it is characterised in that the two ends of the bearing pin are respectively protruding into one of institute
State gathering sill and be equipped with the bearing.
6. indirect welding gun according to claim 1, it is characterised in that the active side rifle arm is located at the affixed side rifle arm
Surface.
7. indirect welding gun according to claim 6, it is characterised in that the front end of the affixed side rifle arm is provided with the first electricity
Pole, rear end is provided with the first conductive strips being connected with the first electrode, and the front end of the active side rifle arm is provided with and described first
The second electrode that electrode coordinates, rear end is provided with the second conductive strips electrically connected with the second electrode.
8. indirect welding gun according to claim 1, it is characterised in that also including installing guiding mechanism, the installation is oriented to
Mechanism includes the mounting seat for being used for connecting welding fixture, the guide post being vertically installed in the mounting seat, is socketed on described leading
To the sliding sleeve and spring on bar and the block located at the guide post bottom, the two ends of the spring respectively with the block and
The sliding sleeve is offseted, and the sliding sleeve is fixed on the base.
9. indirect welding gun according to claim 1, it is characterised in that be provided with sealed cistern in the active side rifle arm.
10. the indirect welding gun according to any one of claim 1 to 9, it is characterised in that the bearing outside is connected to axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621034187.8U CN206230145U (en) | 2016-08-31 | 2016-08-31 | indirect welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621034187.8U CN206230145U (en) | 2016-08-31 | 2016-08-31 | indirect welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206230145U true CN206230145U (en) | 2017-06-09 |
Family
ID=58988935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621034187.8U Active CN206230145U (en) | 2016-08-31 | 2016-08-31 | indirect welding gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206230145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511560A (en) * | 2018-06-05 | 2018-09-07 | 合肥瑞硕科技有限公司 | A kind of welding gun structure of band pressure holding spring |
-
2016
- 2016-08-31 CN CN201621034187.8U patent/CN206230145U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511560A (en) * | 2018-06-05 | 2018-09-07 | 合肥瑞硕科技有限公司 | A kind of welding gun structure of band pressure holding spring |
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