CN1102083C - Driver for blank transport device of forming machine of forged piece - Google Patents

Abstract

A driving device of a blank material conveying device of a forged piece forming machine can be used for pushing a clamp seat which is provided with clamps of the conveying device in a reciprocating mode. The driving device is provided with slide slots and rail slots which are arranged adjacently and overlapped, intersectant embedded space is reserved at the intersection position, and the driving device is provided with a curved block which can slip on the slide slot and is convexly exposed on the intersectant embedded space, and two rolling wheels which are connected with the clamp seat and are glidingly arranged in the rail slot. The two rolling wheels are convexly exposed on two constantly adjacent opposite edges of the curved block of the intersectant embedded space and can move leftwards and rightwards following the radian variation of the curved block slipping back and forth in order to push the clamp seat in a reciprocating mode.

Description

The drive unit of blank transport device of forming machine of forged piece

The present invention relates to a kind of drive unit of blank transport device of forming machine of forged piece, particularly relate to a kind of rigidity and stability that increases transmission, pinch the drive unit of the blank transport device of forming machine of forged piece of speed and speed of production with raising.

The manufacturing of general screw, nut class component, roughly be that the wire rod of rolling is sent into forming machine of forged piece, become the blank of predetermined length through charging straightening, blank, and borrow conveyer to pinch in regular turn to each decompressor and carry out a series of forging and die-cut, then again the semi-finished product after this impact forging are sent to operations such as other follow-up threadings, tapping, to finish manufacturing.Therefore, in the finished product manufacturing process that the compact rank of forming machine of forged piece continues, need do the work of transmission, to be connected the operation of each flow process with conveyer.

As shown in Figure 1, be in the past a kind of forming machine of forged piece 1.Forming machine of forged piece 1 is provided with many group master molds 12 on board 11, master mold 12 the place aheads are provided with back and forth punching press to forge the male model (not shown) of blank in the master mold, and master mold 12 rears are then corresponding to be equiped with the jacking pass-out mechanism (not shown) outside the blank pass-out master mold 12.Being positioned at installing pedestal 13 above each master mold 12 on the board 11, be provided with conveyer 15 in pedestal 13 the place aheads, it comprises the clamping fixture seat 14 that can swing with respect to pedestal about 13, and has the anchor clamps 151 of many groups corresponding to master mold 12 quantity.Borrow is passed clamping fixture seat about 14 in the drive power source of figure right side of face and is moved back and forth, make each anchor clamps 151 about in back and forth the displacement action, be able to synchronous clamping blank, it is transferred to the location of pausing in the master mold 12 of order, and bleed off blank in impact forging moment, return the next blank of original position gripping again, to carry out a series of impact forging in regular turn.Wherein being used for back and forth driving the clamping fixture seat 14 of passing conveyer 15, is a kind of rocker-arm link formula drive unit.As shown in Figure 1, 2, be pivoted with the cam 16 and the rocking arm 17 that are driven and rotate on board 11, rocking arm 17 erectly is positioned at cam 16 tops, and it has the upright portion of waving 171 and two resisted positions 172 that are divided into two braces are pitched in the below.Wave portion's 171 top pivots and be connected in an end of a waling stripe mechanism 18, the other end of linkage 18 then is articulated on the clamping fixture seat 14, when cam 16 is driven and is rotated, two resisted positions 172 are in regular turn in turn by cam 16 pushing tows, make rocking arm 17 reciprocal pivot pendulum, and make 171 drivening rod mechanisms 18 of the portion of waving pass clamping fixture seat 14, make it toward polyslip.

The manufacturing of machine components such as screw, nut at present is to adopt automation to produce in a large number, and it is in order to be based on the market of cost, price competition fierceness, quite payes attention to pursuing the more design of high-speed production, in the hope of small profits and quick turnover.But forge its certain speed restriction is arranged when producing, this be since blank in whole forming machine of forged piece, must just can produce required finished product via the impact forging process of multiple tracks, and the transmission running that each road flow process is relevant, all be blank to be pinched in regular turn between each forging mold, so its anchor clamps need to fold up blank fast and stably and move back and forth, locate in certain moment by conveyer.Each designed mechanism action is rapid more, the then impact forging of linking all linked with one another therebetween and pinch flow process with regard to must be accurate and compact is not allowed the error carelessness, otherwise will be caused greatest loss, therefore take into account under the association running of each equipment mechanism in balance, its integral production speed promptly must limit to some extent.Even the transmission device that reforwarding is done, the rocker-arm link mechanism of back and forth passing clamping fixture seat 14 is that the rocking arm 17 that is back and forth waved by pushing comes drivening rod 18 to promote, and rocking arm 17 has certain length and rigidity, its upright shafts to brachium and the direction of motion of horizontal push-and-pull be " power-arm of force " state, just power transmission face intersects vertically for long distance, and the swing of rocking arm 17 (power transmission) direction promptly is same as the direction that connecting rod 18 and clamping fixture seat 14 are passed.Therefore, when the speed of reciprocal passing speeds; rocking arm 17 is subject to inertia effects and makes it scratch dynamic deformation when turned back in the position in two of swing; produce vibration, coarse phenomenon when making action; this phenomenon is the most obvious on the summit of rocking arm 17 (and rocking arm portion 171), and because of the power transmission direction is identical, so this vibration is directly passed to clamping fixture seat 14; thereby directly influence moving of clamping fixture seat 14, cause the situation that generation is rocked when pinching blank.Especially on the pause anchor point that pinches, the error flaw when causing impact forging, and especially when transmitting long cun portion blank, it is serious especially that its vibration pinches the wobble effects that is caused.Therefore, in order to cooperate the step that transmits drive unit, avoiding rectangular rocking arm to produce in back and forth waving rocks, can only slow down the speed that pinches production, to tie down the work flow of slowing down forging like this, make that its machine production capacity is lower, this needs a large amount of production in the hope of for catchpenny screw, the nut industry for Market competition, strangles to have weakened its competitiveness virtually.

The objective of the invention is to, a kind of rigidity and stability that increases transmission is provided, pinch the drive unit of the blank transport device of forming machine of forged piece of speed and speed of production with raising.

The drive unit of a kind of blank transport device of forming machine of forged piece of the present invention, conveyer is being to live on the board in being provided with the clamping fixture seat that can upwards move back and forth the operator, and on clamping fixture seat, be equiped with to organize the anchor clamps that transmit blank in order to clamping more, drive unit is arranged on clamping fixture seat one side, and the driving that is subjected to power source is to promote clamping fixture seat in the upwards past polyslip of operator, and wherein: drive unit comprises a pedestal, a rail chair, a bent plate driven unit and a roller driven subassembly; Pedestal is installed on the board, and it has a chute on the driving direction of corresponding power source; Rail chair is adjacent to described pedestal, its staggered chute and corresponding to the operator to direction on the tool rail groove, between the common factor place of rail groove and chute, have a friendship embedding space; The bent plate driven unit has an end and power source and links, so as to being driven in chute toward the sliding plate of polyslip, the trend along chute on sliding plate convexes with arc knee piece, arc knee piece protrudes sliding plate and extends into and hand in the embedding space; The roller driven subassembly has the passing plate that is slidingly installed in the rail groove, and the passing plate is equiped with two and protrudes and extend into the roller of handing in the embedding space, and two rollers are permanent respectively to be adjoined on the two opposite sides edge of arc knee piece, and passes an end and the clamping fixture seat binding of plate.

Borrow the drive power source sliding plate toward polyslip, can make two rollers be subjected to the promotion that arc knee piece lateral margin radian changes and on the direction of rail groove, move with it along edge, back and forth pass clamping fixture seat drive to pass plate, promptly the electronic-controlled power steering of power source is passed to passing plate with two roller one by arc knee piece.The same level that is delivered in of power carries out, therefore the problem of not having arm of force reciprocally swinging, and sliding plate (driven unit) is staggered mutually with the power direction of passing plate (driven subassembly), even having to shake, sliding plate frequently can not be directly passed to the passing plate on its power direction yet, the difference in height that can reduce whereby between its power transmission face is prolonged apart from reaching towards the biography of shaking, can increase the rigidity and the stability of transmission, and improve the speed that pinches, promote speed of production.

The present invention is described in detail below in conjunction with drawings and Examples;

Fig. 1 be in the past forming machine of forged piece be provided with conveyer front elevational schematic partly;

Fig. 2 is the schematic perspective view of rocker-arm link mechanism in the past;

Fig. 3 is the schematic appearance of preferred embodiment of the present invention;

Fig. 4 is the three-dimensional exploded view of preferred embodiment of the present invention;

Fig. 5 is the horizontal cross-sectional schematic of preferred embodiment of the present invention;

Fig. 6 cuts open the cross-sectional schematic of getting along the straight line 6-6 among Fig. 5;

Fig. 7 is that preferred embodiment of the present invention relates to the exaggerative schematic diagram to the eccentric configuration of fixed wheel axle;

Fig. 8 is the exaggerative schematic diagram of the operating state of preferred embodiment of the present invention;

Fig. 9 is the perspective exploded view of the friendship embedding structure of preferred embodiment of the present invention, also is the simple structural scheme of mechanism that relates to action among Fig. 4;

Figure 10 is the action schematic diagram of the jaw clamping blank of preferred embodiment of the present invention;

For convenience of description, following embodiment, components identical is represented with identical label.

Fig. 3,4 shows the drive unit of the blank transport device of forming machine of forged piece of preferred embodiment of the present invention, the structure of forming machine of forged piece and action roughly with above-mentioned Fig. 1 in the past forming machine of forged piece, or the forming machine of forged piece of any other kind is identical.It is provided with many group master molds on a board, be provided with relatively in the place ahead of master mold correspondence can be driven and the male model of reciprocal punching press.Above each master mold, be equiped with a pedestal in addition, on pedestal, live and be provided with conveyer, but it comprises the clamping fixture seat 14 of a left and right sides slippage, on clamping fixture seat 14, promptly be equiped with anchor clamps, borrow drive unit driving can about back and forth (promptly making progress) the operator pass clamping fixture seat 14, make each anchor clamps be able to each blank of clamping and slippage and be passed in each master mold and make blank bear the impact forging in various degree of each male model in regular turn.Drive unit 2 of the present invention is installed in the distolateral of clamping fixture seat 14 (as shown in Figure 1), and the driving that can be subjected to power source is to promote clamping fixture seat 14 toward polyslips, and it comprises pedestal 21, rail chair 22, bent plate driven unit 23, roller driven subassembly 24 and the permanent assembly 25 that supports.

Pedestal 21 is the pedestals that are installed on the board, and its bottom is concaved with chute 211, chute 211 be one according to the front and back of the driving direction of power source to elongated slot, its cross section is inverse-T-shaped, having the contract upper part 212 of bundle and the following part 213 of wide expansion.

Rail chair 22 is that overlapping is misplaced the pedestal on pedestal 21, rail groove 221 is established at its top, rail groove 221 be the correspondence alternate directions that is positioned at chute 211 about to elongated slot, with the operator of clamping fixture seat in the same way, its cross section is "T"-shaped, has the upper part 222 of wide expansion and the following part 223 of the bundle that contracts.The upper part 222 of rail groove 221 has partly staggered compatible with the upper part 212 of chute 211, following part 223 at rail groove 221 has partly staggered compatible with the upper part 212 of chute 211, also have partly staggered compatible with the following part 213 of chute 211, therefore the common factor place is the friendship embedding space 224 with an IPN betwixt, and pedestal 21 and rail chair 22 also can be made in one piece.

Shown in Fig. 4,5,6, bent plate driven unit 23 is installed in the chute 211 of pedestal 21, and it has sliding plate 231 and projection dish 232.Sliding plate 231 is to cooperate the liner setting-in to be slidingly installed in the following part 213 of chute 211, is concaved with tank 233 on sliding plate 231.232 cooperations of projection dish are packed in the tank 233, carry over the arc knee piece 234 that axially is convexly equipped with the default wave radian of a tool on it, so its 224 places, friendship embedding space in the common factor break-through are protruding being exposed in the rail groove 221.Borrow linkage 20 and power source to link at sliding plate 231 1 ends, power source is from power spindle and cam drive, and this is partly because of belonging to the technology of forming machine of forged piece in the past, so be not described in detail at this.Be subjected to drive power source so that bent plate driven unit 23 past polyslip in chute 211 makes arc knee piece 234 come across the part of handing over embedding space 224, the radian on rail groove 221 directions changes the linear reciprocation action that is the simple harmonic quantity projection.

Shown in Fig. 4,5,6, roller driven subassembly 24 is to be installed in the rail groove 221 of rail chair 22, and it has the plate 241 of passing and two roller set 242,243.Pass plate 241 and cooperate the liner setting-in to be slidingly installed in the upper part 222 of rail groove 221, and pass plate 241 1 ends and borrow connecting rod 240 and clamping fixture seat 14 to link, in order to the push-and-pull clamping fixture seat 14 that makes progress the operator.Embedding hole 244 and pivot hole 245, two roller set are respectively fixed idler whell group 242 and to deciding roller set 243, correspondence is installed in embedding hole 244 and the pivot hole 245 respectively uprightly being equipped with respectively on the both sides of handing over embedding space 224.Fixed idler whell group 242 has the fixedly wheel shaft 246 that uprightly is mounted in the embedding hole 244, and its lower end borrows the bearing pivot that fixed idler whell 247 is housed.Fixed idler whell 247 protruding being exposed to are handed in the embedding space 224, and an adjacent lateral margin that is against arc knee piece 234.Support decide 243 of roller set have axle wear be hubbed in the pivot hole 245 to fixed wheel axle 248, its lower end borrow bearing prejudicially pivot be equipped with to deciding roller 249, hand in the embedding space 224 to deciding also protruding being exposed to of roller 249, and be tight against another lateral margin, make two rollers, 247,249 permanent sliding being against on the two opposite sides edge of arc knee piece 234 at arc knee piece 234.

Shown in Fig. 3,4,6, the permanent assembly 25 that supports is installed on the passing plate 241 of roller driven subassembly 24, and it includes support 251, pushes away handle 252 and spring 253.Support 251 is installed in to be passed on the plate 241, and is made up of bridge formation bar in the two upright plate bodys.Pushing away handle 252 is a stock handle, and the one end is the bond clamping in the upper end of supporting fixed wheel axle 248, and the other end is then gone here and there cover and is erected on the bridge bar of support 251.Spring 253 is that contact is pushing away between the upright plate body of handle 252 and support 251, keeps suppressing to pushing away handle 252, makes to push away handle 252 and have and drive the push-jump potential energy that supports fixed wheel axle 248.Cooperate shown in Fig. 7,8, it is respectively the eccentric schematic diagram that supports the fixed wheel axle that Fig. 6,5 relates to, and its eccentric throw is illustrated so that understand by exaggerative.Cause is to the axle center, upper end 3 that fixed wheel axle 248 is pushed away handle 252 clampings on same axis with its center hub 4, articulate to support decide roller 249 axle center, lower end 5 then and 4 of center hub have an eccentric distance, certain in fact suitable weak point of eccentric distance is exaggerated as distance shown in graphic.When action, push away handle 252 because of spring 253 is butted always, making and pushing away handle 252 promotion wheel shafts 248 is that rotate in the center of circle with center hub 4, thereby promotes to deciding the direction rotation of roller 249 towards fixed idler whell 247.To make eccentric askew protruding supporting decide roller 249 1 direct rotary like this pushes against on the lateral margin that is pressed in arc knee piece 234, make eccentric supporting decide roller 249 and decide the both sides of cramping with fixed idler whell 247 common supporting always at arc knee piece 234, to increase with the edge precision, even press face has wearing and tearing, or directional error is arranged, still can guarantee the effect that pushes against.Certainly, be tight against effect in order to promote, when roller wears away, still can adjacently support cramping, the transposition of structures of fixed idler whell 247 can be become support the structure of deciding roller 249, and be provided with one thereon equally to locking assembly, or can in the mechanism of passing plate 241 and clamping fixture seat 14 bindings, install easy degree of tightness guiding mechanism, when the fixed idler whell 247 and the lateral margin of arc knee piece 234 are gapped, promptly come loose and pass plate 241, also can borrow and support the elasticity of deciding roller 249, force passing plate 241 to move, to keep the permanent state that is attached to arc knee piece both side edges that supports of two rollers towards the direction of arc knee piece 234.

Shown in Fig. 5,8,9, during action, the past polyslip in drive power source sliding plate 231 front and back in chute 211, make arc knee piece 234 come across the part of handing over embedding space 224, on rail groove 221 directions, present the reciprocating motion of simple harmonic quantity projection, thereby make sliding two rollers 247,249 that are against on arc knee piece 234 lateral margins, change and on rail groove 221, move, pass plate about 241 and back and forth pass clamping fixture seats to drive with it along the radian of this arc knee piece 234.

By above-mentioned structure and action, as shown in Figure 9, the present invention passes to passing plate 241 with two roller one by arc knee piece 234 with the electronic-controlled power steering of power source, the same level that is delivered in of power carries out, therefore the problem of not having arm of force reciprocally swinging, and sliding plate (driven unit) and the power direction 8 of passing plate (driven subassembly), 7 are staggered mutually, even having to shake, sliding plate frequently also can not be directly passed to the passing plate on its power direction 8, each power transmission face of transferring power can be designed to whereby the neighbour and near and turn to the mode of transmission indirectly, just incite somebody to action a vertical power transmission face that is connected bending with a level in the past, two levels that are altered to are handed over the power transmission face of embedding slippage, prolong apart from reaching towards the biography of shaking so as to the difference in height that reduces between its power transmission face.As shown in figure 10, make it on the direction of back and forth passing clamping fixture seat, can't produce the rolling of shaking, can avoid when pinching impact forging, producing and rock or deviation, to increase rigidity and the stability that transmits, so just can not must be subject to the tender constitution condition in the transmission, pinch relatively improving, impact forging speed, to promote integral production speed, production capacity, strengthen the competitiveness in market.

In sum, the drive unit of blank transport device of forming machine of forged piece of the present invention, be long distance is originally intersected vertically and direct drive power transmission face be designed to the neighbour and near and the power transmission face of indirect drive, prolong apart from reaching so as to the difference in height that reduces between its power transmission face towards the biography of shaking, can increase the rigidity and the stability of transmission, and the speed of pinching is provided, promote speed of production.

Claims (4)

1. the drive unit of a blank transport device of forming machine of forged piece, this conveyer is to live in being provided with the clamping fixture seat that can upwards move back and forth the operator on board, and on this clamping fixture seat, be equiped with to organize the anchor clamps that transmit blank in order to clamping more, this drive unit is arranged on clamping fixture seat one side, and the driving that is subjected to power source is to promote clamping fixture seat in the upwards past polyslip of operator, and it is characterized in that: this drive unit comprises a pedestal, a rail chair, a bent plate driven unit and a roller driven subassembly;

Described pedestal is installed on the board, and it has a chute on the driving direction of corresponding power source;

Described rail chair is adjacent to described pedestal, its staggered described chute and corresponding to the operator to direction on the tool rail groove, between the common factor place of described rail groove and chute, have a friendship embedding space; Described bent plate driven unit has an end and described power source links, so as to being driven in described chute toward the sliding plate of polyslip, trend along chute on described sliding plate convexes with arc knee piece, and described arc knee piece protrudes sliding plate and extends in the friendship embedding space;

Described roller driven subassembly has the passing plate that is slidingly installed in the rail groove, this passing plate is equiped with two and protrudes and extend into roller in the described friendship embedding space, described second wheel is permanent respectively to be adjoined on two opposite side edges of described arc knee piece, and an end of described passing plate and clamping fixture seat binding.

2. the drive unit of blank transport device of forming machine of forged piece as claimed in claim 1 is characterized in that:

The perseverance that installing is pressed on arc knee piece two opposite side edges second wheel perseverance on the described roller driven subassembly is supported assembly.

3. the drive unit of blank transport device of forming machine of forged piece as claimed in claim 2 is characterized in that:

Described roller driven subassembly has the fixed idler whell group and supports and decide roller set, the fixedly wheel shaft of described fixed idler whell group uprightly is mounted in to be passed in the plate, its bottom end bearing pivot dress fixed idler whell, support decide roller set support the fixed wheel axle then axle wear and be hubbed in the passing plate, its lower end bearing pivot is prejudicially adorned to deciding roller, its wheel shaft axle center and roller wheel have eccentric distance in the heart, it is to be the set second wheel of roller driven subassembly that described fixed idler whell reaches to deciding roller, described perseverance is supported assembly and is installed on the passing plate, it includes, and to push away handle and frame solid at the spring of passing on the plate, described handle one end that pushes away is to be fixed in to fixed wheel axle upper end, the then permanent butted skew that is subjected to spring of the other end, make to push away handle driven rotary wheel shaft, described support decide the roller perseverance towards the direction of arc knee piece revolve to, with described fixed idler whell jointly to deciding two sides of cramping at described arc knee piece.

4. the drive unit of blank transport device of forming machine of forged piece as claimed in claim 1 is characterized in that:

Described pedestal overlaps up and down with rail chair and is misplaced into a pedestal, and described chute is arranged with in following block bottom, and the front and back that the cross section is handstand T shape are to elongated slot, and described rail groove then is arranged on the described block top of going up, be a cross section T-shaped about to elongated slot.

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