CN209223378U - A kind of automatic butt-welding tooling machine - Google Patents

Abstract

The utility model relates to a kind of automatic butt-welding tooling machines, belong to jewelry processing equipment field, including rack and weld assembly, rotation is provided with shaft in the rack, one end of the shaft is provided with interconnecting piece, and interconnecting piece is connect with shaft thread, is fixedly installed operation block on the interconnecting piece, multiple card slots for being used to be clamped jewelry chain are provided in operation block, and the size of each card slot is all different.By the way that the card slot of multiple and different sizes is arranged in operation block, to meet the jewelry chain of clamping different size, applicability is increased；In use, only needing rotating junction, to adjust the position of operation block, make to be moved at desired position with the card slot that jewelry chain matches, it is simple to operate, have the advantages that the jewelry chain of plurality of specifications easy to process.

Description

A kind of automatic butt-welding tooling machine

Technical field

The utility model relates to jewelry processing equipment field, in particular to a kind of automatic butt-welding tooling machine.

Background technique

Current jewellery manufacturing industry is by master worker substantially since workshop-based or half workshop-based production method What the mode trained an apprentice was produced.Simultaneously because having a huge domestic consumption market, and country is in terms of inlet and outlet Preferential policy, development speed is fast, enables world's jewellery circle sidelong glance.Even but jewellery manufacturing is leading at home Enterprise, production equipment is also relatively backward, still with fairly obvious workshop-based color, belongs to labour intensive profession.

Common jewelry, such as necklace, bangle jewellery would generally use jewelry chain, and jewelry chain is connected by several chain links It forms, when processing jewelry chain, needs to weld the joint of each chain link.And it is existing for welding the butt-welding machine packet of jewelry chain Include weld assembly, driving mechanism, shaft and the operation block with card slot being arranged in shaft；When work, jewelry chain is placed on In the card slot of operation block, shaft is driven to make continuous intermittent rotary by driving mechanism, it is first by the butt-joint of weld assembly consecutive intervals Adorn chain.

To guarantee processing quality, card slot needs clamping jewelry chain, therefore the size of card slot needs and the jewelry chain of processing Size matching, and existing butt-welding machine can only process a kind of jewelry chain of size, need to process the jewelry chain of different specification size When, it needs replacing operation block or replaces the butt-welding machine of other specifications, it is time-consuming and laborious, it has some limitations.

Utility model content

The purpose of this utility model is to provide a kind of automatic butt-welding tooling machines, have the jewellery for facilitating processing plurality of specifications Chain, it is simple to operate, the advantages of strong applicability.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of automatic butt-welding tooling machine, including rack and weld assembly, rotation is provided with shaft in the rack, and described turn One end of axis is provided with interconnecting piece, and interconnecting piece is connect with shaft thread, and operation block, operation block are fixedly installed on the interconnecting piece On be provided with multiple for being clamped the card slots of jewelry chain, and the size of each card slot is all different.

Implement above-mentioned technical proposal, it is different to meet clamping by the way that the card slot of multiple and different sizes is arranged in operation block The jewelry chain of specification, increases applicability；In use, only need rotating junction, to adjust the position of operation block, make and jewelry chain The card slot to match is moved at desired position, simple to operate, the jewelry chain with plurality of specifications easy to process The advantages of.

The utility model is further arranged to: the drive for making continuous intermittent rotary for drive shaft is provided in the rack Motivation structure, the driving mechanism include rotating coaxially the casing being sheathed in shaft, and lever arm is provided in described sleeve pipe, described Weld assembly includes being set to lever arm close to the capillary of operation block one end and being set in rack for driving lever arm to move To drive the driving assembly of capillary consecutive intervals butt-joint jewelry chain.

Implement above-mentioned technical proposal, the mesh for driving shaft and operation block to make consecutive intervals rotation is realized by driving mechanism , then drive lever arm movement to drive capillary consecutive intervals butt-joint jewelry chain by driving assembly, realize that jewelry chain welded The automation of journey.

The utility model is further arranged to: described sleeve pipe is provided in the axial direction with bar shaped mounting groove, the lever arm setting In being fixedly installed installation inserted link in bar shaped mounting groove, in described sleeve pipe, lever arm is articulated on installation inserted link.

Implement above-mentioned technical proposal, the setting of bar shaped mounting groove is played the role of limiting lever arm position, when making welding, Guarantee that the position of capillary remains unchanged, improves welding quality.

The utility model is further arranged to: the lever arm is fixedly installed close to one end of operation block to be used for and jewellery The abutting block that chain contradicts.

Implement above-mentioned technical proposal, when lever arm is deflected to operation block, pushes against block and jewelry chain pushes against, to prevent jewellery Chain is displaced during processing, improves the quality of welding.

The utility model is further arranged to: the adjusting component for adjusting capillary position is provided on the lever arm, The adjusting component includes adjusting screw rod, movable block, slide post, mounting blocks, pushes against bolt, the first nut and the second nut；Institute Adjusting screw rod is stated to be fixedly installed on lever arm, the movable block sliding sleeve be set to adjusting screw rod on, the slide post perpendicular to The sliding of adjusting screw rod direction is arranged on movable block, and the mounting blocks are fixedly installed on slide post, and the capillary is set to peace It fills on block and one end extends towards operation block, the adjusting threaded hole of perforation to slide post is offered on the movable block, it is described to support Tight bolt, which is rotatably dispose in, to be adjusted in threaded hole for pushing against slide post to limit slide post position, and the first nut rotation is set It is placed on adjusting screw rod and is abutted with the bottom wall of movable block, second nut is rotatably dispose on adjusting screw rod and and movable block Roof abut.

Implement above-mentioned technical proposal, when needing to adjust capillary position, by the first nut of rotation and the second nut, then Movable block and/or rotation movable block are slided along adjusting screw rod, with the distance between realization adjusting capillary to operation block and is adjusted Deviation angle of the capillary relative to operation block；Bolt is pushed against by rotation, makes to push against bolt disengaging slide post, i.e., adjustable installation Block realizes the purpose for adjusting capillary position to the distance of movable block, improves applicability.

The utility model is further arranged to: being provided in the rack of operation block side for clamping jewellery The clamp assemblies of chain.

Implement above-mentioned technical proposal, gives jewelry chain certain chucking power by clamp assemblies, jewelry chain is prevented to be self-possessed Under fall, improve welding quality.

The utility model is further arranged to: the clamp assemblies include fixing axle, hinge bar, the first briquetting, the second pressure Block and pressure spring, the fixing axle are located at the lower section of operation block and are fixedly installed in the rack of operation block side, the hinge Extension bar is articulated in fixing axle, and the pressure spring is fixedly installed in fixing axle and is fixedly connected with one end of hinge bar, and described One briquetting is fixedly installed in fixing axle, and second briquetting is fixedly installed on the one end of hinge bar far from pressure spring.

Implement above-mentioned technical proposal, in use, worker presses hinge bar, the second briquetting is made to be detached from the first briquetting, then will Jewelry chain is placed in holding tank, unclamps the pressing to hinge bar, and the second briquetting contradicts under the action of pressure spring with jewelry chain, with It gives jewelry chain certain chucking power, prevents jewelry chain from falling under self weight.

The utility model is further arranged to: when first briquetting and the side wall of the second briquetting face are processed along jewelry chain The direction of movement offers holding tank compatible with jewelry chain.

Through the above technical solutions, the setting of holding tank, plays the purpose for limiting jewelry chain position, improve to jewelry chain position The restriction effect set, prevents jewelry chain from shaking to a certain extent.

In conclusion the utility model having the beneficial effect that in contrast to the prior art

One, by the way that the card slot of multiple and different sizes is arranged in operation block, to meet the jewelry chain of clamping different size, increase Applicability is added；In use, only needing rotating junction, to adjust the position of operation block, move the card slot to match with jewelry chain It moves at desired position, it is simple to operate, have the advantages that the jewelry chain of plurality of specifications easy to process；

Two, it when needing to adjust capillary position, by the first nut of rotation and the second nut, is then slided along adjusting screw rod Movable block and/or rotation movable block with the distance between realization adjusting capillary to operation block and adjust capillary relative to work The deviation angle of block；Push against bolt by rotation, make to push against bolt and be detached from slide post, i.e., adjustable mounting blocks to movable block away from From realization adjusts the purpose of capillary position, improves applicability；

Three, in use, worker presses hinge bar, so that the second briquetting is detached from the first briquetting, jewelry chain is then placed in folder It holds in slot, unclamps the pressing to hinge bar, the second briquetting contradicts under the action of pressure spring with jewelry chain, certain to give jewelry chain Chucking power, prevent jewelry chain from falling under self weight.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model entirety；

Fig. 2 is the structural schematic diagram at another visual angle of the utility model；

Fig. 3 is the portion the A enlarged drawing in Fig. 2；

Fig. 4 is the portion the B enlarged drawing in Fig. 2；

Fig. 5 is the cross-sectional view of the utility model；

Fig. 6 is the portion the C enlarged drawing in Fig. 5；

Fig. 7 is the portion the D enlarged drawing in Fig. 5；

Fig. 8 is the partial structure diagram of the utility model；

Fig. 9 is the portion the E enlarged drawing in Fig. 8；

Figure 10 is the portion the F enlarged drawing in Fig. 8.

Appended drawing reference: 1, rack；11, vertical plate；111, sliding slot is installed；112, fixed block；1121, mounting groove；12, riser； 121, the first screw；13, cross bar；131, limit sliding chutes；14, mounting rod；15, touching switch；151, spring leaf is touched；2, turn Axis；21, interconnecting piece；211, operation block；2111, card slot；22, bar shaped keyway；221, slide key；222, the first pressure spring；23, it limits Ring；24, bar shaped sliding slot；25, lantern ring；251, limiting slot；252, annular guide channel；3, clamp assemblies；31, fixing axle；32, hinged Bar；33, the first briquetting；34, the second briquetting；35, pressure spring；36, holding tank；4, casing；41, collar stop；411, limit card slot； 412, slot is limited；413, fixing bolt；42, bar shaped mounting groove；421, pressure spring is driven；43, inserted link is installed；44, gear；45, Loose slot；46, the second screw；5, lever arm；51, slide block；52, block is pushed against；6, movable slider；61, guiding incline；62, it drives Slot；63, sliding shoe；71, motor；72, transmission shaft；73, eccentric cam；74, drive block；741, half slot；75, tension spring；81, it drives Movable plate；811, drive block；82, surface cam；821, convex block；83, the second pressure spring；9, limit assembly；91, spacer pin；911, convex Sphere；92, spring；101, adjusting screw rod；102, movable block；1021, threaded hole is adjusted；103, slide post；104, mounting blocks； 1041, capillary；105, bolt is pushed against；106, the first nut；107, the second nut.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Figure 1, as shown in Figure 1, 2, a kind of butt-joint automatic jig machine, including rack 1, rack 1 include two pieces perpendicular Straight spaced vertical plate 11, the riser 12 being vertically arranged and the cross bar 13 for connecting riser 12 and two pieces of vertical plates 11, riser 12 Between two pieces of vertical plates 11, two pieces of rotations of vertical plate 11 are provided with shaft 2.

As shown in Figure 2,3, one end of shaft 2 is provided with interconnecting piece 21, and interconnecting piece 21 is threadedly coupled with shaft 2, interconnecting piece It is fixedly installed operation block 211 on 21, is provided in operation block 211 multiple for being clamped the card slot 2111 of jewelry chain and each The size of card slot 2111 is all different, and card slot 2111 is opened up along four side walls of operation block 211.The length of each card slot 2111 with Width is equal and is adapted with the size of the single chain link of jewelry chain.

As shown in Figure 2,3, it is rotated coaxially in shaft 2 and is arranged with casing 4, lever arm 5 is provided on casing 4, casing 4 is along axis To bar shaped mounting groove 42 is offered, lever arm 5 is set in bar shaped mounting groove 42, and installation inserted link 43 is fixedly installed on casing 4, Lever arm 5 is articulated on installation inserted link 43, and the capillary 1041 for welding jewelry chain is provided on lever arm 5；Bar shaped mounting groove 42 play the role of limiting 5 position of lever arm, in welding, guarantee that the position of capillary 1041 remains unchanged, improve welding quality.

As shown in Figure 2,3, it is provided with the adjusting component for adjusting 1041 position of capillary on lever arm 5, adjusts component packet It includes adjusting screw rod 101, movable block 102, slide post 103, mounting blocks 104, push against bolt 105, the first nut 106 and the second nut 107.Adjusting screw rod 101 is fixedly installed on lever arm 5, and 102 sliding sleeve of movable block is set on adjusting screw rod 101, slide post 103 It is arranged on movable block 102 perpendicular to the sliding of 101 direction of adjusting screw rod, mounting blocks 104 are fixedly installed on slide post 103, weldering Needle 1041 is set on mounting blocks 104 and one end extends towards operation block 211, and perforation is offered on movable block 102 to slide post 103 adjusting threaded hole 1021, push against bolt 105 be rotatably dispose in adjust threaded hole 1021 in for push against slide post 103 with Limit 103 position of slide post.First nut 106 is rotatably dispose on adjusting screw rod 101 and abuts with the bottom wall of movable block 102, Second nut 107 is rotatably dispose on adjusting screw rod 101 and abuts with the roof of movable block 102.

When needing to adjust 1041 position of capillary, by the first nut 106 of rotation and the second nut 107, then along adjusting Screw rod 101 slides movable block 102 and/or rotation movable block 102, with realize adjust capillary 1041 between operation block 211 away from From and adjust deviation angle of the capillary 1041 relative to operation block 211；Bolt 105 is pushed against by rotation, makes to push against bolt 105 Being detached from slide post 103, i.e., adjustable mounting blocks 104 arrive the distance of movable block 102, realize the purpose for adjusting 1041 position of capillary, Improve applicability.

As shown in Figure 2,3, lever arm 5 is fixedly installed close to one end of operation block 211 for supporting with what jewelry chain contradicted Tight block 52 pushes against block 52 and jewelry chain pushes against, to prevent jewelry chain in the mistake of processing when lever arm 5 is deflected to operation block 211 It is displaced in journey, improves the quality of welding.

As shown in Figure 2,4, in being provided with clamping group for clamping jewelry chain in the rack 1 of 211 side of operation block Part 3, clamp assemblies 3 include fixing axle 31, hinge bar 32, the first briquetting 33, the second briquetting 34 and pressure spring 35.Fixing axle 31 is located at The lower section of operation block 211 is simultaneously fixedly installed in the rack 1 of 211 side of operation block, and hinge bar 32 is articulated with fixing axle 31 On, pressure spring 35 is fixedly installed in fixing axle 31 and is fixedly connected with one end of hinge bar 32, and the first briquetting 33 is fixedly installed on In fixing axle 31, the second briquetting 34 is fixedly installed on the one end of hinge bar 32 far from pressure spring 35, the first briquetting 33 and the second briquetting The side wall of 34 faces offers holding tank 36 compatible with jewelry chain.

In use, worker presses hinge bar 32, so that the second briquetting 34 is detached from the first briquetting 33, be then placed in jewelry chain In holding tank 36, the pressing to hinge bar 32 is unclamped, the second briquetting 34 contradicts under the action of pressure spring 35 with jewelry chain, to give The certain chucking power of jewelry chain, prevents jewelry chain from falling under self weight.

As shown in Figure 5,6, bar shaped keyway 22 is provided in the axial direction in shaft 2, bar shaped keyway 22 is between shaft 2 is circumferential uniformly Sliding in setting four, each bar shaped keyway 22 is provided with slide key 221, and side of 221 slot of slide key far from operation block 211 The distance of wall to casing 4 is not less than slide key 221 along axial length.It is provided in bar shaped keyway 22 for driving slide key 221 to the elastic component slided far from 4 direction of casing, and elastic component is the first pressure spring 222, one end of the first pressure spring 222 and bar shaped key Slot 22 is fixedly connected close to the side wall of operation block 211, side wall of the other end with slide key 221 close to operation block 211 is fixedly connected, Bar shaped keyway 22 is detached to prevent sliding stop key 221.

As shown in Figure 5,6, it is provided in the axial direction with bar shaped sliding slot 24 in shaft 2, insertion item is fixedly installed on movable slider 6 Shape sliding slot 24 and the sliding shoe 63 that connection is slid with it；When shaft 2 rotates, synchronous drive movable slider 6 is rotated, to keep away Exempt from slide block 51 and contacted for a long time with the same position of inclined surface, reduces the abrasion to inclined surface, improve precision.

As shown in Figure 5,6, casing 4 is fixedly installed collar stop 41 far from one end of operation block 211, and collar stop 41 is remote Side wall from casing 4 is circumferentially arranged, and there are four perforations to shaft 2 and limit card slot 411 compatible with slide key 221.Shaft Restraining position ring block 23 is fixedly installed on 2, the side wall that collar stop 41 is abutted with casing 4 offers the limit being inserted into for stop collar 23 and inserts Slot 412, annular baffle ring are fixedly connected by fixing bolt 413 with casing 4, stop collar 23 with casing 4 far from operation block 211 one End contradicts, and 4 other end of casing and contradicts close to the vertical plate 11 of operation block 211, to prevent casing 4 in axis occurs in shaft 2 To sliding.

As shown in Figure 8,9, sliding is provided with movable slider 6 in shaft 2, guiding incline 61 is provided on movable slider 6, and lean on One end of nearly collar stop 41 is lower end；It is provided in rack 1 for driving the movement of lever arm 5 to drive capillary 1041(to join See Fig. 3) driving assembly of consecutive intervals butt-joint jewelry chain, driving assembly includes being fixedly installed on lever arm 5 far from operation block 211 One end and the slide block 51 being bonded with guiding incline 61 are provided on casing 4 for driving slide block 51 and guiding incline 61 to push against Elastic component is driven, driving elastic component is the driving pressure spring 421 being fixedly installed in bar shaped mounting groove 42, the one of driving pressure spring 421 End is fixedly connected with bar shaped mounting groove 42, the other end is fixedly connected with lever arm 5.

When moving when movable slider 6 to the direction close to collar stop 41, movable slider 6 pushes slide block 51 to lift upwards It rises, slide block 51 drives lever arm 5 to deflect close to one end of operation block 211 to the direction close to operation block 211, to drive weldering Needle 1041 touches jewelry chain, realizes butt-joint；And when being moved when movable slider 6 to the direction far from collar stop 41, lever arm 5 leans on One end of nearly operation block 211 is mobile to the direction far from operation block 211 under the action of driving elastic component, so that capillary 1041 is de- From jewelry chain.

As shown in Figure 5,6, the driving mechanism for making continuous intermittent rotary for drive shaft 2, driving machine are provided in rack 1 Structure includes being set to the driving device for making continuous intermittent movement in rack 1 for drive sleeve 4；And it is set in rack 1 and uses It is slided in driving movable slider 6 to close 41 direction of collar stop and pushes slide key 221 to be inserted into limit card slot 411 so that set Pipe 4 is able to drive the rotation of shaft 2 or driving movable slider 6 to the pushing component slided far from 41 direction of collar stop.

Casing 4 is driven to make continuous intermittent movement by driving device, and when casing 4 rotates, pushing component promotion activity Sliding block 6 close to 41 direction of collar stop to sliding and slide key 221 being pushed to be inserted into limit card slot 411, at this point, casing 4 rotates band Dynamic slide key 221 rotates, to drive the purpose realized and shaft 2 is driven to rotate；And when pushing component pushes movable slider 6 to remote When direction from collar stop 41 is slided, elastic component drives slide key 221 to slide to separate 4 direction of casing and makes slide key 221 It is detached from limit card slot 411, shaft 2 stops operating at this time, and jewelry chain starts to weld, and realizes the purpose of consecutive intervals rotation.

As shown in figure 8, driving device includes motor 71(referring to Fig. 1), transmission shaft 72, eccentric cam 73,74 and of drive block Return unit, motor 71 are fixedly installed in rack 1, for the ease of accurately controlling slewing rate, select servo motor 71；Transmission shaft 72 are rotatably dispose on vertical plate 11 and are fixedly and coaxially connected with the output shaft of motor 71, and eccentric cam 73 is fixedly installed on transmission shaft On 72.

As shown in figure 8, being fixedly installed mounting rod 14 in rack 1, gear 44, gear are coaxially fixedly installed in casing 4 44 rotations are set in shaft 2, and one end of drive block 74 and mounting rod 14 are hinged, the other end is engaged with gear 44 and are used to drive Gear 44 rotates, and the loose slot 45 that perforation to gear 44 is inserted into for drive block 74 is offered on casing 4, is opened up on drive block 74 There is half slot 741, eccentric cam 73 is rotatably dispose in half slot 741 for driving drive block 74 to deflect to same direction.

As shown in figure 8, return unit is set in rack 1 to drive drive block 74 towards transmission shaft 72 for drive sleeve 4 The direction of deflection moves, and return unit is tension spring 75, and one end of tension spring 75 is fixedly connected with rack 1, the outer wall of the other end and casing 4 It is fixedly connected.In conjunction with Fig. 2, the side wall of riser 12 is fixedly installed the first screw 121, and is fixedly installed on the outer wall of casing 4 Two screws 46, one end of tension spring 75 is connect with the first screw 121, the other end is connect with the second screw 46, on cross bar 13 with tension spring The position of 75 contacts offers limit sliding chutes 131；To limit the position of tension spring 75, guarantee the stabilization for the pulling force that casing 4 is subject to, together When reduce abrasion of the cross bar 13 to tension spring 75, extend the service life of tension spring 75.

When work, starting motor 71, motor 71 drives transmission shaft 72 to rotate, and transmission shaft 72 drives eccentric cam 73 to rotate, When the high point of eccentric cam 73 is abutted with the cell wall of half slot 741, drive block 74 is driven to deflect, and then is rotated with moving gear 44, And the angle of rotation is 90⁰, gear 44 drives casing 4 to rotate, and continuing to rotate with transmission shaft 72, and eccentric cam 73 is detached from The state contradicted with the cell wall of half slot 741, at this point, the direction that casing 4 deflects under the action of return unit towards drive block 74 It moves so that casing 4 resets.

As shown in Fig. 5,7, pushing component includes driving plate 81, surface cam 82 and the second pressure spring 83, in far from operation block 211 vertical plate 11 is provided in the axial direction with installation sliding slot 111 close to the side wall of casing 4, and movable slider 6 is slideably positioned in installation sliding slot In 111, the second pressure spring 83 is set in installation sliding slot 111 and is sheathed in shaft 2, one end of the second pressure spring 83 and installation sliding slot 111 bottom wall abuts, the other end is abutted with one end that movable slider 6 protrudes into installation sliding slot 111.

As shown in figure 8, driving plate 81 is articulated in rack 1, driver slot 62,62 edge of driver slot are offered on movable slider 6 Movable slider 6 is circumferential to be opened up to constitute annular groove, and driving plate 81 is fixedly installed insertion driver slot 62 close to one end of shaft 2 Drive block 811, surface cam 82 be fixedly installed in drive shaft and with driving plate 81 close to operation block 211(referring to Fig. 3) side Wall contradicts, and the end face that surface cam 82 and driving plate 81 contradict is inclined surface.

The transmission shaft 72 of rotation drives surface cam 82 to rotate, when surface cam 82 turns to the shape contradicted with driving plate 81 When state, drive driving plate 81 to mobile far from 41 direction of collar stop, so that drive block 811 be made to drive movable slider 6 to separate The direction of collar stop 41 is slided, and the second pressure spring 83 is compressed at this time；When surface cam 82 turns to and is detached from driving plate 81, the Two pressure springs 83 drive movable slider 6 to slide to the direction close to collar stop 41, with the continuous rotation of surface cam 82, realize Movable slider 6 is in the purpose for making continuously to move back and forth in shaft 2.

As shown in figure 8, being provided with convex block 821 on surface cam 82, touching switch 15, touching switch are provided in rack 1 15 include touching spring leaf 151, when surface cam 82 turns to convex block 821 with the abutting of spring leaf 151 is touched, touches spring leaf 151 are squeezed so that 15 internal circuit of touching switch is connected to, and touching switch 15 is electrically connected with the power supply box of butt-welding machine, is touched After switch 15 is connected to, so that power supply box discharges to capillary 1041, welding process is realized.

As shown in Fig. 8,10, the limit assembly for limiting the rotation of shaft 2 is provided on the vertical plate 11 far from operation block 211 9, limit assembly 9 includes spacer pin 91 and spring 92；It is fixedly installed fixed block 112 on vertical plate 11 far from operation block 211, Gu Determine block 112 and offer mounting groove 1121 close to the side wall of lantern ring 25, spacer pin 91 is slideably positioned in mounting groove 1121.

As shown in Fig. 8,10, it is coaxially fixedly installed lantern ring 25 in shaft 2, is uniformly provided with four along its circumferential direction on lantern ring 25 A limiting slot 251, spring 92 are set to for driving spacer pin 91 to be inserted into limiting slot 251 in mounting groove 1121, spring 92 One end is abutted with the bottom wall of mounting groove 1121, the other end is abutted with spacer pin 91, and the cell wall of limiting slot 251 is arcwall face.Lantern ring The annular guide channel 252 of four limiting slots 251 of connection is offered on 25, one end fixation that spacer pin 91 is inserted into limiting slot 251 is set It is equipped with convex sphere 911；Annular guide channel 252 plays the role of being oriented to spacer pin 91, and convex sphere 911 can be effectively reduced to ring The abrasion of shape guide groove 252.

After movable slider 6 is detached from collar stop 41, when casing 4 cannot drive shaft 2 to rotate, wherein one on lantern ring 25 A limiting slot 251 is just rotated into the position of face mounting groove 1121, and the active force of spring 92 drives spacer pin 91 to be inserted at this time In limiting slot 251, to realize the purpose for limiting shaft 2 and rotating, prevents shaft 2 from continuing to rotate under the action of inertia, realize work The processing stations for making block 211 keep stablizing, and improve processing quality.

Specific work process: when work, first chain link of jewelry chain to be welded is connected on card slot 2111 by worker, Worker presses hinge bar 32, so that the second briquetting 34 is detached from the first briquetting 33, then jewelry chain is placed in holding tank 36, unclamps Pressing to hinge bar 32, the second briquetting 34 contradict under the action of pressure spring 35 with jewelry chain, to apply centainly to jewelry chain Chucking power prevents jewelry chain from falling under self weight.

Then start motor 71, motor 71 drives transmission shaft 72 to rotate, and transmission shaft 72 drives eccentric cam 73 to rotate, eccentric (high point of eccentric cam 73 is on eccentric cam 73 far from transmission when the high point of cam 73 is abutted with the cell wall of half slot 741 The point of axis 72), drive drive block 74 to deflect, and then rotate with moving gear 44, gear 44 drives casing 4 to rotate, and rotation every time Angle be 90⁰。

And while casing 4 is driven by gear 44, transmission shaft 72 drives surface cam 82 to rotate, and surface cam 82 is in The state contradicted with driving plate 81, and drive driving plate 81 mobile to separate 41 direction of collar stop, to make 74 band of drive block Dynamic movable slider 6 is slided to the direction far from collar stop 41；Shaft 2 stops operating at this time, and capillary 1041 touches jewelry chain, real Existing welding.

When surface cam 82 turns to and is detached from driving plate 81, the second pressure spring 83 drives movable slider 6 to close to annular gear The direction of block 41 is slided, and slide key 221 is pushed to be inserted into limit card slot 411；At this point, the rotation of casing 4 drives 221 turns of slide key Dynamic, so that shaft 2 and operation block 211 be driven to rotate, operation block 211 drives jewelry chain rotation with by adjacent chain to be welded Ring turns to the work station of alignment capillary 1041；It is continuous with this, realize the automation of jewelry chain welding process.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (8)

1. a kind of automatic butt-welding tooling machine, it is characterised in that: including rack (1) and weld assembly, rotate and set on the rack (1) It is equipped with shaft (2), one end of the shaft (2) is provided with interconnecting piece (21), and interconnecting piece (21) is threadedly coupled with shaft (2), institute It states and is fixedly installed on interconnecting piece (21) operation block (211), is provided in operation block (211) multiple for being clamped the card of jewelry chain Slot (2111), and the size of each card slot (2111) is all different.

2. a kind of automatic butt-welding tooling machine according to claim 1, it is characterised in that: be arranged on the rack (1) useful Make the driving mechanism of continuous intermittent rotary in drive shaft (2), the driving mechanism includes rotating coaxially to be sheathed on shaft (2) Casing (4), be provided with lever arm (5) in described sleeve pipe (4), the weld assembly includes being set to lever arm (5) close to work Make the capillary (1041) of block (211) one end and is set on rack (1) for driving lever arm (5) movement to drive capillary (1041) driving assembly of consecutive intervals butt-joint jewelry chain.

3. a kind of automatic butt-welding tooling machine according to claim 2, it is characterised in that: described sleeve pipe (4) is opened up along axial direction Have bar shaped mounting groove (42), the lever arm (5) is set in bar shaped mounting groove (42), and described sleeve pipe is fixedly installed on (4) It installs inserted link (43), lever arm (5) is articulated in installation inserted link (43).

4. a kind of automatic butt-welding tooling machine according to claim 3, it is characterised in that: the lever arm (5) is close to work One end of block (211) is fixedly installed the abutting block (52) for contradicting with jewelry chain.

5. a kind of automatic butt-welding tooling machine according to claim 4, it is characterised in that: be provided on the lever arm (5) For adjusting the adjusting component of capillary (1041) position, the adjusting component includes adjusting screw rod (101), movable block (102), slides Dynamic column (103), mounting blocks (104) push against bolt (105), the first nut (106) and the second nut (107)；The adjusting screw rod (101) it is fixedly installed on lever arm (5), movable block (102) sliding sleeve is set on adjusting screw rod (101), the sliding Column (103) is arranged on movable block (102) perpendicular to the sliding of adjusting screw rod (101) direction, mounting blocks (104) fixed setting In on slide post (103), the capillary (1041) is set on mounting blocks (104) and one end extends towards operation block (211), institute The adjusting threaded hole (1021) that perforation to slide post (103) is offered on movable block (102) is stated, the abutting bolt (105) turns Dynamic be set to is adjusted in threaded hole (1021) for pushing against slide post (103) to limit slide post (103) position, first spiral shell Female (106) are rotatably dispose on adjusting screw rod (101) and abut with the bottom wall of movable block (102), and second nut (107) turns It is dynamic to be set on adjusting screw rod (101) and abutted with the roof of movable block (102).

6. a kind of automatic butt-welding tooling machine according to claim 1 or 5, it is characterised in that: in close to operation block (211) one The clamp assemblies (3) for clamping jewelry chain are provided in the rack (1) of side.

7. a kind of automatic butt-welding tooling machine according to claim 6, it is characterised in that: the clamp assemblies (3) include solid Dead axle (31), hinge bar (32), the first briquetting (33), the second briquetting (34) and pressure spring (35), the fixing axle (31) are located at work Make the lower section of block (211) and be fixedly installed in the rack (1) of operation block (211) side, the hinge bar (32) is hinged In on fixing axle (31), the pressure spring (35) is fixedly installed on fixing axle (31) and fixes company with one end of hinge bar (32) It connects, first briquetting (33) is fixedly installed on fixing axle (31), and second briquetting (34) is fixedly installed on hinge bar (32) far from the one end of pressure spring (35).

8. a kind of automatic butt-welding tooling machine according to claim 7, it is characterised in that: first briquetting (33) and second The direction that the side wall of briquetting (34) face moves when processing along jewelry chain offers holding tank (36) compatible with jewelry chain.