CN102873340B - Spot welding head moulding device - Google Patents
Spot welding head moulding device Download PDFInfo
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- CN102873340B CN102873340B CN201110192732.1A CN201110192732A CN102873340B CN 102873340 B CN102873340 B CN 102873340B CN 201110192732 A CN201110192732 A CN 201110192732A CN 102873340 B CN102873340 B CN 102873340B
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Abstract
The invention discloses a spot welding head moulding device which comprises a transmission mechanism, motor, a turning device, at least one guide mechanism, a power assisting device and an electric control system, wherein a spot welding head is fixed on the transmission mechanism; the motor is connected with the transmission mechanism; the guide mechanism is arranged on one side of the transmission mechanism; an included angle is formed between the guide mechanism and the transmission mechanism; and the turning device is slidingly installed on the guide mechanism; the power assisting device is connected with the turning device; and the electric control system is connected with the motor and the assistant device. The electric control system controls the motor to drive the transmission mechanism to rotate so as to drive the spot welding head to rotate. Meanwhile, the electric control system controls the turning device to slide on the guide mechanism so that the turning device is far away from or close to the spot welding head fixed on the transmission mechanism. The spot welding head moulding device can mould the spot welding head automatically; and the product quality is good and the machining efficiency is high.
Description
Technical field
The present invention relates to a kind of field of welding devices, refer in particular to a kind of spot welding head forming device.
Background technology
Prior art processing stand soldering tip is that by manual car on engine lathe out labour intensity is large.Its processing mode is: after little for lathe mop is put into monolateral 5 degree of angles, by spot welding head clamping on scroll chuck, start hollow spindle, and after hand little mop, the lathe tool on little mop is just by complete for spot welding head turning.The method of prior art processing stand soldering tip needs to take independent a machine tool, and it is large to add man-hour labour intensity, processes under a spot welding head needs operator hand more than 40, wastes time and energy.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of spot welding head forming device, and it can complete the shaping of spot welding head automatically, and quality of finished product good, working (machining) efficiency is high.
Another free-revving engine of the present invention is, after the turning completing spot welding head completes, spot welding head forming device can shut down very soon, improves the turning efficiency of spot welding head further.
The present invention is achieved in that
A kind of spot welding head forming device, it includes:
Transmission mechanism, spot welding head is fixed on described transmission mechanism;
Motor, described motor is connected with described transmission mechanism;
Truning fixture and at least one guiding mechanism, the side of described transmission mechanism is located at by described guiding mechanism, and arranges at an angle with described transmission mechanism, and what described truning fixture slided is installed on described guiding mechanism;
Power assisting device, described power assisting device is connected with described truning fixture;
And electric-control system, described electric-control system is connected with described motor and described power assisting device;
Wherein, described in described electric control system controls, transmission mechanism described in driven by motor rotates, thus drive described spot welding head to rotate, simultaneously, described in described electric control system controls, truning fixture slides on described guiding mechanism, make described truning fixture away from or near being fixed on spot welding head on described transmission mechanism.
When described spot welding head forming device work, truning fixture described in described electric control system controls is along the close spot welding head be fixed on described transmission mechanism of described guiding mechanism, transmission mechanism described in described driven by motor starts to rotate simultaneously, and described spot welding head completes the shaping of spot welding head by described truning fixture.
Preferably, described transmission mechanism includes: gear-box, be arranged at the driving gear in described gear-box and driven gear, pass and be fixed on the hollow spindle of described gear-box, and be fixed on the chuck of described hollow spindle front end, described spot welding head is passed described hollow spindle and is fixed by described chuck, wherein, the side of described gear-box is provided with motor, and described motor is connected with described driving gear, described driving gear engages with described driven gear, and described driven gear is socketed and is fixed on described hollow spindle.
Preferably, described truning fixture includes: knife rest and carriage saddle, and described knife rest is provided with cutter, and the bottom of described carriage saddle is provided with at least one first chute coordinated with described guiding mechanism, and described carriage saddle is fixed on described guiding mechanism slidably.
In order to the fine setting of described knife rest can be realized, convenient adjustment is installed on the depth of cut of the cutter on knife rest, the upper end of described carriage saddle is provided with second chute vertical with described guiding mechanism, the lower end of described knife rest is provided with the slide unit coordinated with described second chute, described second chute is provided with envelope platform away from one end of described hollow spindle, one end of described second chute is closed by described envelope platform, described envelope platform is provided with screw mandrel fixing hole, described knife rest is provided with the adjustment hole coordinated with described screw mandrel fixing hole, screw mandrel is successively through described screw mandrel fixing hole and described adjustment hole, and described screw mandrel is connected with described carriage saddle.By adjust described screw mandrel screw in knife rest length adjustment described in the position of knife rest on described carriage saddle.
Preferably, in order to the accurate location of described spot welding head can be realized, described truning fixture also comprises locating piece and spring, the lower end of described locating piece is movably arranged in described carriage saddle side, one end and the described locating piece of described spring are fixed, the other end of described spring is fixed on described carriage saddle, and is fixed on the direction away from described hollow spindle.
Preferably, described power assisting device includes: connecting rod, mechanical arm and cylinder, described connecting rod is connected with described carriage saddle, described connecting rod is connected with one end of described cylinder by described mechanical arm, the other end of described cylinder is connected with extraneous source of the gas, promote described mechanical arm by described cylinder to move, thus drive the connecting rod that is connected with described mechanical arm to drive described carriage saddle to move along described guiding mechanism, be arranged at cutter on described carriage saddle described in making near described spot welding head.
Preferably, described power assisting device also includes mechanical arm back-up block, and described mechanical arm back-up block is positioned at the below of described mechanical arm, as the connection fulcrum of described mechanical arm.
Preferably, described power assisting device also includes cylinder supports block, and described cylinder supports block is positioned at the below of described cylinder.
Preferably, described chuck is provided with fastener hole, described spot welding head is fixed by described fastener hole by securing member, in order to when described hollow spindle stops operating, the stop position of the fastener hole on described chuck can be controlled, be convenient to change spot welding head, the rear end of described hollow spindle is provided with iron hoop, described iron hoop is provided with breach, and described breach and described fastener hole are on same level line, and described gear-box is provided with the proximity switch corresponding with described iron hoop.
Preferably, described electric-control system comprises main circuit module, control circuit module and main shaft orientation module.
Preferably, described control circuit module comprises: starting switch K
1, relay K A
0~ KA
6, dc source, magnetic sensible switch SQ
1, SQ
2, described SQ
1be installed on the front end of described cylinder, described SQ
2be installed on the rear end of described cylinder; Wherein, described relay K A
0the first switch and described relay K A
6normal open switch series connection formation first series arm, described starting switch K
1in parallelly with described first series arm form the first parallel branch, described first parallel branch and described relay K A
0series connection formation second series arm, the two ends of described second series arm are connected with described dc source; Described relay K A
0the second normal open switch and described relay K A
1after series connection, and in parallel with described second series arm; Described relay K A
4normally closed switch and described relay K A
3with described relay K A after series connection
2in parallel form the second parallel branch, the 3rd normal open switch of described relay K A0 is in parallel with described second series arm after connecting with described second parallel branch; Described magnetic sensible switch SQ
1with described relay K A
4normal open switch parallel connection after with described relay K A
5normally closed switch and described relay K A
4series connection, afterwards, more in parallel with described second series arm; Described magnetic sensible switch SQ
2with described relay K A
5in parallel with described second series arm after series connection.
Preferably, described control circuit module also comprises the first emergency stop switch K
3, described first emergency stop switch K
3be placed on the circuit bus of described electric-control system.
Preferably, described control circuit module also comprises the second emergency stop switch K
4, described second emergency stop switch K
4with described first parallel branch and described relay K A
0series connection.
Preferably, described main circuit module comprises 380 volts of three-phase alternating-current supplies, AC relay KM and heat portective switch FR; Described 380 volts of three-phase alternating-current supplies are connected with described motor, a termination N line of described heat portective switch FR, the other end and described relay K A
1normal open switch, described AC relay KM connect, be connected with the L3 of described 380 volts of three-phase alternating-current supplies afterwards, described heat portective switch FR and described AC relay KM is connected with L1, L2, L3 line of described 380 volts of three-phase alternating-current supplies after connecting.
Preferably, described main shaft orientation module comprises photoelectrical coupler and d type flip flop, and the brown line of described proximity switch is by protective resistance R
1be connected with the CP pulse ends of described d type flip flop, the black line of described proximity switch is directly connected with the CP pulse ends of described d type flip flop, the brown line of described proximity switch connects positive 12V voltage, the blue line ground connection of described proximity switch, the D input of described d type flip flop and described relay K A
5normally closed switch series connection after ground connection, the D input of described d type flip flop is also connected with protective resistance R
2connect positive 5V voltage afterwards, the Q output of described d type flip flop is connected with 2 ends of described photoelectrical coupler, 1 end of described photoelectrical coupler and protective resistance R
3positive 5V voltage is connect, 3 end ground connection of described photoelectrical coupler, 4 ends of described photoelectrical coupler and described relay K A after connection
6positive 12V voltage is connect, described relay K A after series connection
6also with diode D
1and electric capacity C is parallel with one another.
In order to can the longer spot welding head of regular length, avoid described spot welding head when High Rotation Speed, the afterbody disorderly pendulum of described spot welding head, described spot welding head forming device also includes tailstock, described tailstock includes body and is located at three bearings on described body, described body be located at the rear end of described spot welding head and hollow spindle in alignment, three described bearings are that isosceles triangle distribution forms spot welding head fixing hole, and the tail end of described spot welding head passes and is fixed in described spot welding head fixing hole.
Preferably, described guiding mechanism comprises at least one slide rail.
The present invention compared with prior art, has following beneficial effect:
Spot welding head forming device of the present invention, it is rotated by driven by motor hollow spindle, the spot welding head be fixed on described hollow spindle is rotated, promote knife rest near described spot welding head by cylinder simultaneously, the cutter be fixed on knife rest carries out turning to spot welding head, reduce spot welding head shaping time consuming time and labour intensity; On the other hand, described spot welding head forming device can stop very soon after spot welding head is shaping, improves the operating efficiency of spot welding head forming device; In addition, spot welding head forming device of the present invention drives carriage saddle and knife rest to move by cylinder, and feed velocity is even, improves spot welding head qualification rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of spot welding head forming device of the present invention;
Fig. 2 is the top view of spot welding head forming device of the present invention;
Fig. 3 be motor with driving gear coordinate schematic diagram;
Fig. 4 be clump moving gear with hollow spindle and chuck coordinate schematic diagram;
Fig. 5 is the structural representation of gear-box;
Fig. 6 is the stereogram of carriage saddle;
Fig. 7 is the front view of carriage saddle;
Fig. 8 is the stereogram of knife rest;
Fig. 9 is the side view of knife rest;
Figure 10 is the stereogram of guiding mechanism;
Figure 11 is the control circuit figure of spot welding head forming device;
Figure 12 is the circuit controling drawing of motor;
Figure 13 is the circuit controling drawing of hollow spindle.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail:
As shown in Figures 1 and 2, spot welding head forming device of the present invention, it includes: transmission mechanism, and spot welding head 1 is fixed on described transmission mechanism; Motor 2, described motor 2 is connected with described transmission mechanism; Truning fixture and at least one guiding mechanism 3, the side of described transmission mechanism is located at by described guiding mechanism 3, and spends angle at an angle with described transmission mechanism and arrange, and what described truning fixture slided is installed on described guiding mechanism 3; Power assisting device, described power assisting device is connected with described truning fixture; And electric-control system (scheming not shown), described electric-control system is connected with described motor 2 and described power assisting device; Wherein, motor 2 described in described electric control system controls drives described transmission mechanism to rotate, thus drive described spot welding head 1 to rotate, simultaneously, truning fixture described in described electric control system controls slides on described guiding mechanism 3, make described truning fixture away from or near being fixed on spot welding head on described transmission mechanism.When spot welding head carries out turning, described truning fixture, near described spot welding head 1, enables cutter carry out turning to described spot welding head 1; When after the turning completing a spot welding head 1, truning fixture described in described electric control system controls, away from described spot welding head 1 (spot welding head that turning completes), conveniently takes out the spot welding head 1 that turning completes.
Wherein, described guiding mechanism 3 and the angle between described transmission mechanism are identical with the shaping angle of described spot welding head 1, the preferred described guiding mechanism 3 of this preferred embodiment is that 5 degree of angles are arranged with described transmission mechanism, thus to be lathed by described spot welding head monolateral be the taper of 5 degree.In the present invention, in order to ensure spot welding head 1 in turning process, described motor 2 has enough power can drive described spot welding head 1 spot welding head High Rotation Speed, and described motor 2 is preferably conical rotor machine, adopt 380 volts of three-phase alternating-current supplies, rotating speed is 1440 revs/min.
Simultaneously see Fig. 3 to Fig. 5, described transmission mechanism includes: gear-box 4, be arranged at the driving gear 5 in described gear-box 4 and driven gear 6, fix and pass the hollow spindle 7 of described gear-box 4, and being fixed on the chuck 8 of described hollow spindle 7 front end, described spot welding head 1 is also fixed by described chuck 8 by hollow spindle 7.Wherein, the tooth of described gear-box 4 is than being 1:1, and the side of described gear-box 4 is provided with motor 2, and described motor 2 is connected with described driving gear 5, described driving gear 5 engages with described driven gear 6, and described driven gear 6 is socketed and is fixed on described hollow spindle 7.Described motor 2 drives described driving gear 5 to operate when operating, thus by driving the driven gear 6 engaged with described driving gear 5 to operate with described driving gear 5, and then drive described spot welding head 1 High Rotation Speed by described hollow spindle 7.
As shown in Figure 5, in order to described hollow spindle 7 is installed on described gear-box 4, two sidewalls of described gear-box 4 are respectively equipped with a pair mutually corresponding hollow spindle fixing hole 4a, 4b, described hollow spindle 7 is successively by described hollow spindle fixing hole 4a, 4b is also fixed on described gear-box 4, in order to described motor 2 is fixed with described gear-box 4, described one of them sidewall of gear-box 4 is provided with motor fixing hole 4c, described motor 2 is fixed on described gear-box 4 by described motor fixing hole 4c, wherein, described hollow spindle 7 and described gear-box 4, described motor 2 belongs to prior art with the fixed form of described gear-box 4, the present invention does not repeat them here.
As shown in Figure 7 to 10, described truning fixture includes: knife rest 9 and carriage saddle 10, described knife rest 9 is provided with cutter (scheming not shown), the bottom of described carriage saddle 10 is provided with the first chute 11 coordinated with described guiding mechanism 3, and described carriage saddle 10 is fixed on described guiding mechanism 3 slidably.In invention, described guiding mechanism 3 comprises at least one slide rail, this preferred embodiment is for two slide rails that be arranged in parallel, and the shape of described slide rail is preferably and similar T-shaped of track for a train, accordingly, the bottom of described carriage saddle 10 is also provided with 2 the first parallel chutes 11, and the shape of described first chute 11 is match with described slide rail T-shaped.In the present invention, on described knife rest 9, mounting cutter belongs to prior art, conveniently way mounting cutter, and the present invention does not repeat them here.
Wherein, the upper end of described carriage saddle 10 is provided with second chute 12 vertical with described guiding mechanism 3, the lower end of described knife rest 9 is provided with the slide unit 13 coordinated with described second chute 12, described second chute 12 is provided with envelope platform 14 away from one end of described hollow spindle 7, one end of described second chute 12 is closed by described envelope platform 14, described envelope platform 14 is provided with screw mandrel fixing hole 15, described knife rest 9 is provided with the adjustment hole 16 coordinated with described screw mandrel fixing hole 15, screw mandrel 17 is successively through described screw mandrel fixing hole 15 and described adjustment hole 16, and described screw mandrel 17 is connected (as shown in Figure 1) with described carriage saddle 9.The position of knife rest 9 on described carriage saddle 10 described in the length adjustment screwing in the adjustment hole 16 of knife rest 9 by adjusting described screw mandrel 17, realizes the fine setting to described knife rest 9.Wherein, the preferred described screw mandrel 17 of the present embodiment is long spiro nail.
As shown in Figure 6, described truning fixture also comprises locating piece 18 and spring 19, the lower end of described locating piece 18 is movably arranged in the side of described carriage saddle 10, one end and the described locating piece 18 of described spring 19 are fixed, and the other end of described spring 19 is fixed on described the carriage saddle 10 and direction be fixed on away from described hollow spindle 7.When decorateeing soldering tip 1, described locating piece 18 is pressed to a side of described hollow spindle 7, spot welding head 1 accurately can be located, simultaneously, described spring 19 is stretched and assembles elastic force gradually, after unclamping described locating piece 18, the elastic force that described spring 19 is assembled is released, and described locating piece 18 returns to initial position.
As shown in Figures 1 and 2, described power assisting device includes: connecting rod 20, mechanical arm 21 and cylinder 22, described connecting rod 20 is connected with described carriage saddle 10, and described connecting rod 20 is connected with one end of described cylinder 22 by described mechanical arm 21, and the other end of described cylinder 22 is connected with extraneous source of the gas.Preferably, described power assisting device also includes mechanical arm back-up block 23 and cylinder fixed block 24, described mechanical arm back-up block 23 is positioned at the below at the 5:1 place of described mechanical arm 21, and as the connection fulcrum of described mechanical arm 21, described mechanical arm 21 can rotate under the drive of described cylinder 22 on described mechanical arm back-up block 23, thus drives the described knife rest 9 be connected with described mechanical arm 21 to rotate; The other end of described cylinder 22 is fixed on described cylinder fixed block 24.
As shown in Figure 1, described spot welding head forming device also includes tailstock, described tailstock includes body 25 and is located at three bearings 26 on described body, described body 25 is located at the rear end of described spot welding head 1, in isosceles triangle, distribution forms spot welding head fixing hole 27 to three described bearings 26, the tail end of described spot welding head 1 passes and is fixed in described spot welding head fixing hole 27, avoids described spot welding head 1 when High Rotation Speed, and described spot welding head 1 afterbody is pendulum disorderly.In practical operation, described tailstock can be divided into upper and lower part, top is provided with two or a bearing, and bottom is provided with one or two bearing, by bolt, the side of top, bottom is connected, top is rotated to open described tailstock or the tailstock that closes relative to bottom, then is connected and fixed dismountable for the opposite side of top, bottom by geometrical clamp, this is connected and fixed mode and belongs to prior art, and the present invention does not repeat them here.
Preferably, in order to be convenient to change described spot welding head 1, described chuck 8 is provided with fastener hole 30, described spot welding head 1 is fixed by described fastener hole 30 by securing member, wherein, described chuck 8 belongs to prior art with the fixed form of described spot welding head 1, and the present invention does not repeat them here.When changing described spot welding head 1, loosening fasteners, described spot welding head 1 is extracted out from described hollow spindle 7 and described chuck 8, take out the spot welding head 1 completing turning, needed by the next one spot welding head 1 of turning through described hollow spindle 7 and described chuck 8, through described fastener hole 30, described spot welding head 1 is fixed with securing member again, the turning of next spot welding head 1 can be carried out.
In order to can when described hollow spindle 7 stops operating, control the stop position of the fastener hole 30 on described chuck 8, be convenient to change spot welding head 1, the rear end of described hollow spindle 7 is provided with iron hoop 31, described iron hoop 31 is provided with breach 32, described iron hoop 31 is made up of two semicircles, one of them half radius of a circle is less than another half radius of a circle and forms breach 32, and described breach 32 is in same level with described fastener hole 30, described gear-box 4 is provided with the proximity switch 33 corresponding with described iron hoop 31.After completing the turning of spot welding head 1, by the rotation of hollow spindle 7 described in described electric control system controls, when described hollow spindle 7 is stopped operating, described fastener hole 30 can be positioned at top, and convenient operation personnel change spot welding head 1.
Described electric-control system comprises main circuit module, control circuit module and main shaft orientation module.
As shown in figure 11, described control circuit module comprises: starting switch, relay K A
0~ KA
6, dc source, magnetic sensible switch SQ
1, SQ
2, described SQ
1be installed on the front end of described cylinder, described SQ
2be installed on the rear end of described cylinder; Wherein, described relay K A
0the first switch and described relay K A
6normal open switch series connection formation first series arm, described starting switch K
1in parallelly with described first series arm form the first parallel branch, described first parallel branch and described relay K A
0series connection formation second series arm, the two ends of described second series arm are connected with described dc source; Described relay K A
0the second normal open switch and described relay K A
1after series connection, and in parallel with described second series arm; Described relay K A
4normally closed switch and described relay K A
3with described relay K A after series connection
2formation in parallel second parallel branch, described relay K A
0the 3rd normal open switch connect with described second parallel branch after in parallel with described second series arm; Described magnetic sensible switch SQ
1with described relay K A
4normal open switch parallel connection after with described relay K A
5normally closed switch and described relay K A
4series connection, afterwards, more in parallel with described second series arm; Described magnetic sensible switch SQ
2with described relay K A
5in parallel with described second series arm after series connection.
In the present invention, described dc source is preferably-24V dc source.
As shown in figure 12, described main circuit module comprises 380 volts of three-phase alternating-current supplies, AC relay KM and heat portective switch FR; Described 380 volts of three-phase alternating-current supplies are connected with described motor 2, a termination N line of described heat portective switch FR, the other end and described relay K A
1normal open switch, described AC relay KM connect; be connected with the L3 line of described 380 volts of three-phase alternating-current supplies afterwards; pressure reduction between zero line and live wire is 220 volts, and described heat portective switch FR and described AC relay KM is connected with L1, L2, L3 line of described 380 volts of three-phase alternating-current supplies after connecting.
Coordinate with described proximity switch 33 to make described iron hoop 31; control the rotation of described hollow spindle 7; enable the fastener hole 30 on described joint 8 shut down time be positioned at above; the detailed design of electric-control system is as follows: as shown in figure 13; described main shaft orientation module comprises photoelectrical coupler 28 and d type flip flop 29, and the brown line of described proximity switch 33 is by protective resistance R
1be connected with the CP pulse ends of described d type flip flop, the black line of described proximity switch 33 is directly connected with the CP pulse ends of described d type flip flop 29, the brown line of described proximity switch 33 connects positive 12V voltage, the blue line ground connection of described proximity switch 33, the D input of described d type flip flop 29 and described relay K A
5normally closed switch series connection after ground connection, the D input of described d type flip flop 29 is also connected with protective resistance R
2connect positive 5V voltage afterwards, the Q output of described d type flip flop 29 is connected with 2 ends of described photoelectrical coupler 28,1 end of described photoelectrical coupler 28 and protective resistance R
3positive 5V voltage is connect, 3 end ground connection of described photoelectrical coupler 28,4 ends of described photoelectrical coupler 28 and described relay K A after connection
6positive 12V voltage is connect, described relay K A after series connection
6also parallel with one another with diode D1 and electric capacity C.
In the preferred embodiment, described protective resistance R
1value be 22K ohm, described protective resistance R
2value be 1k ohm, described protective resistance R
3value be 300 ohm.
When carrying out the turning of spot welding head 1, press starting switch K
1, described relay K A
1adhesive, described relay K A
0the first normal open switch, the second normal open switch and the 3rd normal open switch self-locking, wherein KA
6normal open switch owing to being in often-have-electricity state at the beginning so closed, therefore three normal open switch adhesives of described AC relay KM coil and described AC relay KM, the described motor 2 be connected with described hollow spindle 7 obtains electric rotation, thus drives described spot welding head 1 to rotate; Described relay K A simultaneously
2obtain electric, open source of the gas; Described relay K A
3obtain electric, described cylinder 22 is ventilated and is advanced, thus drives described carriage saddle 10 and described knife rest 9 to advance, and then carries out the turning of spot welding head 1, when after described cylinder 22 Overstroke, is arranged on the magnetic sensible switch SQ of described cylinder 22 front end
1connect, described relay K A
4obtain electric, make described relay K A
4normally closed switch disconnect and normal open switch close, described relay K A
3dead electricity, described cylinder 22 source of the gas backtracking.After cylinder 22 rollback puts in place, described magnetic sensible switch SQ
2connect, make described relay K A
5obtain electric, be thus connected to the described relay K A of the D input of described d type flip flop 29
5normally closed switch disconnect, the D input of described like this d type flip flop 29 is high level always, as long as during CP end input high level, the Q output of described d type flip flop 29 just exports high level always, 1 end of described photoelectrical coupler 28 and the just not conducting of 2 ends, make 3 ends and the 4 end also not conductings of described photoelectrical coupler 28 like this, described relay K A
6also must not be electric, be therefore disconnected original closed KA
6normal open switch, makes described relay K A
0dead electricity, originally closed KA
0normal open switch disconnects, therefore motor 2 power-off, thus arrives the object of autostop.
In spot welding head turning process; revolve at described hollow spindle 7 and turn around; described proximity switch 33 just exports a rectangular pulse; and the conversion of the low and high level of this pulse is caused by proximity switch 33 and the range conversion of iron hoop 31; the trigger impulse that this pulse will be held as the CP of described d type flip flop 29, thus control lathe and shut down.
Abnormal in order to avoid occurring when described spot welding head forming device runs, described control circuit module also comprises the first emergency stop switch K
3and the second emergency stop switch K
4, described first emergency stop switch K
3be placed on the circuit bus of described electric-control system, described second emergency stop switch K
4with described first parallel branch and described relay K A
0series connection.As abnormal in occurred in lathe running, press described first emergency stop switch K
3or described second emergency stop switch K
4, just can motor 2 described in emergent stopping and close source of the gas, namely stop the operation of described spot welding head forming device.
These are only specific embodiments of the invention, do not limit protection scope of the present invention with this; Not violating any replacement and improvement that the basis of the present invention's design is done, all belong to protection scope of the present invention.
Claims (15)
1. a spot welding head forming device, is characterized in that, it includes:
Transmission mechanism, spot welding head is fixed on described transmission mechanism, motor, and described motor is connected with described transmission mechanism; Described transmission mechanism includes: gear-box, be arranged at the driving gear in described gear-box and driven gear, pass and be fixed on the hollow spindle on described gear-box, and be fixed on the chuck of described hollow spindle front end, described spot welding head is passed described hollow spindle and is fixed by described chuck, wherein, the side of described gear-box is provided with described motor, and described motor is connected with described driving gear, described driving gear engages with described driven gear, and described driven gear is socketed and is fixed on described hollow spindle; Described chuck is provided with fastener hole, described spot welding head is fixed by described fastener hole by securing member, the rear end of described hollow spindle is provided with iron hoop, described iron hoop is provided with breach, and described breach and described fastener hole are in same level, described gear-box is provided with the proximity switch corresponding with described iron hoop;
Truning fixture and guiding mechanism, the side of described transmission mechanism is located at by described guiding mechanism, and arranges at an angle with described transmission mechanism, and what described truning fixture slided is installed on described guiding mechanism;
Power assisting device, described power assisting device is connected with described truning fixture;
And electric-control system, described electric-control system is connected with described motor and described power assisting device;
Wherein, described in described electric control system controls, transmission mechanism described in driven by motor rotates, thus drive described spot welding head to rotate, simultaneously, described in described electric control system controls, truning fixture slides on described guiding mechanism, make described truning fixture away from or near being fixed on spot welding head on described transmission mechanism.
2. spot welding head forming device as claimed in claim 1, it is characterized in that, described truning fixture includes: knife rest and carriage saddle, described knife rest is provided with cutter, the bottom of described carriage saddle is provided with at least one first chute coordinated with described guiding mechanism, and described carriage saddle is fixed on described guiding mechanism slidably.
3. spot welding head forming device as claimed in claim 2, it is characterized in that, the upper end of described carriage saddle is provided with second chute vertical with described guiding mechanism, the lower end of described knife rest is provided with the slide unit coordinated with described second chute, described second chute is provided with envelope platform away from one end of described hollow spindle, one end of described second chute is closed by described envelope platform, described envelope platform is provided with screw mandrel fixing hole, described knife rest is provided with the adjustment hole coordinated with described screw mandrel fixing hole, screw mandrel is successively through described screw mandrel fixing hole and described adjustment hole, and described screw mandrel is connected with described carriage saddle.
4. spot welding head forming device as claimed in claim 2, it is characterized in that, described truning fixture also comprises locating piece and spring, the lower end of described locating piece is movably arranged in described carriage saddle side, one end and the described locating piece of described spring are fixed, the other end of described spring is fixed on described carriage saddle, and is fixed on the direction away from described hollow spindle.
5. spot welding head forming device as claimed in claim 2, it is characterized in that, described power assisting device includes: connecting rod, mechanical arm and cylinder, described connecting rod is connected with described carriage saddle, described connecting rod is connected with one end of described cylinder by described mechanical arm, and the other end of described cylinder is connected with extraneous source of the gas.
6. spot welding head forming device as claimed in claim 5, it is characterized in that, described power assisting device also includes mechanical arm back-up block, and described mechanical arm back-up block is positioned at the below of described mechanical arm, as the connection fulcrum of described mechanical arm.
7. spot welding head forming device as claimed in claim 5, it is characterized in that, described power assisting device also includes cylinder supports block, and described cylinder supports block is positioned at the below of described cylinder.
8. spot welding head forming device as claimed in claim 1, it is characterized in that, described electric-control system comprises main circuit module, control circuit module and main shaft orientation module.
9. spot welding head forming device as claimed in claim 8, it is characterized in that, described control circuit module comprises: starting switch K
1, relay K A
0~ KA
6, dc source, magnetic sensible switch SQ
1, SQ
2; Wherein, described relay K A
0the first normal open switch and described relay K A
6normal open switch series connection formation first series arm, described starting switch K
1in parallelly with described first series arm form the first parallel branch, described first parallel branch and described relay K A
0series connection formation second series arm, the two ends of described second series arm are connected with described dc source; Described relay K A
0the second normal open switch and described relay K A
1after series connection, and in parallel with described second series arm; Described relay K A
4normally closed switch and described relay K A
3with described relay K A after series connection
2formation in parallel second parallel branch, described relay K A
0the 3rd normal open switch connect with described second parallel branch after in parallel with described second series arm; Described magnetic sensible switch SQ
1with described relay K A
4normal open switch parallel connection after with described relay K A
5normally closed switch and described relay K A
4series connection, afterwards, more in parallel with described second series arm; Described magnetic sensible switch SQ
2with described relay K A
5in parallel with described second series arm after series connection.
10. spot welding head forming device as claimed in claim 8, it is characterized in that, described control circuit module also comprises the first emergency stop switch K
3, described first emergency stop switch K
3be placed on the circuit bus of described electric-control system.
11. spot welding head forming devices as claimed in claim 9, it is characterized in that, described control circuit module also comprises the second emergency stop switch K
4, described second emergency stop switch K
4with described first parallel branch and described relay K A
0series connection.
12. spot welding head forming devices as claimed in claim 9, it is characterized in that, described main circuit module comprises 380 volts of three-phase alternating-current supplies, AC relay KM and heat portective switch FR; Described 380 volts of three-phase alternating-current supplies are connected with described motor, a termination N line of described heat portective switch FR, the other end and described relay K A
1normal open switch, described AC relay KM connect, be connected with the L3 of described 380 volts of three-phase alternating-current supplies afterwards, described heat portective switch FR and described AC relay KM is connected with L1, L2, L3 line of described 380 volts of three-phase alternating-current supplies after connecting.
13. spot welding head forming devices as claimed in claim 9, it is characterized in that, described main shaft orientation module comprises photoelectrical coupler and d type flip flop, and the brown line of described proximity switch is by protective resistance R
1be connected with the CP pulse ends of described d type flip flop, the black line of described proximity switch is directly connected with the CP pulse ends of described d type flip flop, the brown line of described proximity switch connects positive 12V voltage, the blue line ground connection of described proximity switch, the D input of described d type flip flop and described relay K A
5normally closed switch series connection after ground connection, the D input of described d type flip flop is also connected with protective resistance R
2connect positive 5V voltage afterwards, the Q output of described d type flip flop is connected with 2 ends of described photoelectrical coupler, 1 end of described photoelectrical coupler and protective resistance R
3positive 5V voltage is connect, 3 end ground connection of described photoelectrical coupler, 4 ends of described photoelectrical coupler and described relay K A after connection
6positive 12V voltage is connect, described relay K A after series connection
6also with diode D
1and electric capacity C is parallel with one another.
14. spot welding head forming devices as claimed in claim 1, it is characterized in that, described spot welding head forming device also includes tailstock, described tailstock includes body and is located at three bearings on described body, described body be located at the rear end of described spot welding head and hollow spindle in alignment, three described bearings are that isosceles triangle distribution forms spot welding head fixing hole, and the tail end of described spot welding head passes and is fixed in described spot welding head fixing hole.
15. spot welding head forming devices as claimed in claim 1, it is characterized in that, described guiding mechanism comprises at least one slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110192732.1A CN102873340B (en) | 2011-07-11 | 2011-07-11 | Spot welding head moulding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110192732.1A CN102873340B (en) | 2011-07-11 | 2011-07-11 | Spot welding head moulding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102873340A CN102873340A (en) | 2013-01-16 |
| CN102873340B true CN102873340B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110192732.1A Active CN102873340B (en) | 2011-07-11 | 2011-07-11 | Spot welding head moulding device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848442A (en) * | 2019-02-21 | 2019-06-07 | 安徽新园矿山设备制造有限责任公司 | A kind of rapid processing lathe suitable for processing roller carrier shaft |
Citations (6)
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|---|---|---|---|---|
| GB558014A (en) * | 1942-06-12 | 1943-12-15 | William Herbert Smith | Improvements relating to lathes |
| CN2930927Y (en) * | 2006-08-18 | 2007-08-08 | 中山市正洲汽门有限公司 | Automatic processing lathe |
| CN2936502Y (en) * | 2006-08-30 | 2007-08-22 | 中山市正洲汽门有限公司 | Automatic cutting lathe |
| CN201108958Y (en) * | 2007-10-30 | 2008-09-03 | 潘善美 | Automatic ball valve turning machine |
| CN201186353Y (en) * | 2008-03-11 | 2009-01-28 | 张为贤 | Mechanical multi-tool semiautomatic cam lathe |
| CN202199771U (en) * | 2011-07-11 | 2012-04-25 | 珠海格力电器股份有限公司 | Spot welding head forming device |
-
2011
- 2011-07-11 CN CN201110192732.1A patent/CN102873340B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB558014A (en) * | 1942-06-12 | 1943-12-15 | William Herbert Smith | Improvements relating to lathes |
| CN2930927Y (en) * | 2006-08-18 | 2007-08-08 | 中山市正洲汽门有限公司 | Automatic processing lathe |
| CN2936502Y (en) * | 2006-08-30 | 2007-08-22 | 中山市正洲汽门有限公司 | Automatic cutting lathe |
| CN201108958Y (en) * | 2007-10-30 | 2008-09-03 | 潘善美 | Automatic ball valve turning machine |
| CN201186353Y (en) * | 2008-03-11 | 2009-01-28 | 张为贤 | Mechanical multi-tool semiautomatic cam lathe |
| CN202199771U (en) * | 2011-07-11 | 2012-04-25 | 珠海格力电器股份有限公司 | Spot welding head forming device |
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| CN102873340A (en) | 2013-01-16 |
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