CN208467272U - The automatic withdrawing mechanism of powder used in metallurgy trimmer - Google Patents

Abstract

The utility model provides a kind of automatic withdrawing mechanism of powder used in metallurgy trimmer, it is related to powder compacting apparatus field, aim to solve the problem that the trouble of rewinding in the prior art, the big problem of intensity of workers, it includes workbench, and rotation is equipped with the drive rod being vertically arranged on the workbench, and drive rod top level is equipped with the drive seat being arranged perpendicular to drive rod, sliding is equipped with sliding bar along its length in the drive seat, and the sliding boom end is equipped with clamping jaw；Rewinding box is equipped with close to the side of drive rod on the workbench.The utility model clamps workpiece by the clamping jaw that the sliding bar of the drive rod cooperation sliding setting of rotation setting is connect with sliding boom end, and piles up in rewinding box, the automation rewinding of workpiece is realized, to reduce intensity of workers.

Description

The automatic withdrawing mechanism of powder used in metallurgy trimmer

Technical field

The utility model relates to powder compacting apparatus field, in particular to a kind of automatic material receiving of powder used in metallurgy trimmer Mechanism.

Background technique

Powder forming workpiece can be deformed after oversintering, and with jagged, therefore will be to the workpiece after powder forming Cold punching processing is carried out, to remove flash removed and improve workpiece accuracy.In the conventional technology, manual type is generallyd use to place workpiece Above die cavity, then cold punching is carried out, artificial discharging after the completion of punching press when manual type positions, easily generates position error, makes work Part cannot be aligned with die cavity, to cause workpiece to burst apart in punching course, burn failure, production efficiency is lower.

Therefore, notification number is that the Chinese utility model patent of CN104972132A discloses a kind of fully automatic powder metallurgy tooth Trimmer is taken turns, which is made of rack, motor, crankshaft, driving means and stamping device: upper rack rear end dress There is motor, crankshaft is housed in the rack of motor front end；Crankshaft two end extends respectively to shell outside, extends to shell outside one Driving wheel is housed, driving wheel is connect by transmission belt with motor on the crankshaft at end；Extend to the crankshaft of the shell outside other end Transmission device is housed on lower methods, rack；It is provided with stamping device on crankshaft, shaping is housed on the work top below stamping device Mold.The gear trimmer structure is simple, easy to maintain, solves large labor intensity existing for existing manual type, low efficiency The problems such as high with error rate, uses especially suitable for powder metallurgical gear re-shaping exercise.

The fully automatic powder metallurgical gear trimmer is to be punched after workpiece is delivered at shaping mould by push rod When device pushes workpiece, push rod is pulled back, and the briquetting for rotating setting can be pushed open by workpiece, and briquetting is avoided to block push rod It resets, and in next work pieces process, the workpiece of previous completion of processing can be pushed away shaping mould by the push boom end being pushed forward Position facilitates following process, still, the unordered stacking of the workpiece pusheding away from the table, the subsequent rewinding work of staff Work is not only cumbersome, and labor intensity is larger.

Utility model content

The purpose of the utility model is to provide a kind of automatic withdrawing mechanisms of powder used in metallurgy trimmer, have automatic receive The advantages of material, reduction intensity of workers.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of powder used in metallurgy is whole The automatic withdrawing mechanism of shape machine, including workbench, rotation is equipped with the drive rod being vertically arranged, the drive rod on the workbench Top level is equipped with the drive seat being arranged perpendicular to drive rod, slides along its length in the drive seat and is equipped with sliding bar, The sliding boom end is equipped with clamping jaw；Rewinding box is equipped with close to the side of drive rod on the workbench.

By using above-mentioned technical proposal, in upper workpiece punching press, the push rod of trimmer is withdrawn, to be punched to finish Afterwards, the sliding bar in drive seat reaches below stamping device, and clamps workpiece using clamping jaw, pull back sliding bar while using driving Lever drives drive seat rotation, so that gripping portions be driven to be detached from below stamping device, and turns at rewinding box, and clamping jaw is decontroled Workpiece puts the workpiece in rewinding box, and workpiece can be neatly arranged in rewinding box by staff in side, very square Just, and labor intensity is lower.

Further, it is equipped with drive rack around the drive rod bottom periphery, rotation is equipped with sliding tooth on the workbench Wheel, the driving gear are engaged in drive rack setting.

By using above-mentioned technical proposal, drive rod periphery is provided with drive rack, is provided with driving on the table Gear, by the dynamic drive rack engaged of the driving gear band of rotation setting, so that drive rod be driven to rotate.

Further, the driving gear is half gear, is set as two, and be engaged in the driving of drive rod two sides respectively On rack gear, the rotation direction of two driving gears is reversed, and the teeth part of a driving gear is nibbled with drive rack When conjunction, the teeth of another driving gear are partially disengaged drive rack setting.

By using above-mentioned technical proposal, two are set by driving gear, and be engaged on the drive of drive rod two sides respectively At carry-over bar, and driving gear is half gear, so that corresponding driving gear can band when engaging with the drive rack of drive rod Dynamic drive rod rotation to realize the back rotation of coming of drive rod, and then drives and clamps part at stamping device and at rewinding box Carry out back rotation, realizes the clamping and stacking of workpiece.

Further, the drive seat is provided with sliding groove, the sliding bar far from one end of drive rod along its length Cooperation is equipped with sliding shoe.

By using above-mentioned technical proposal, cunning of the cooperation guiding sliding bar of sliding groove and sliding shoe in drive seat is utilized It moves, when sliding bar being avoided to rotate, gripping portions are blocked by workpiece and lose automatic material receiving function.

Further, the drive seat is equipped with the first cylinder, the piston rod of first cylinder close to one end of drive rod Sliding bar is connected to be arranged close to the end of drive rod.

By using above-mentioned technical proposal, the first cylinder is housed in drive seat, the work moved back and forth by the first cylinder Stopper rod drives sliding bar sliding.

Further, the clamping jaw includes the U-shaped bayonet that sliding bar is opened up far from the end of drive rod, two in the bayonet Clamping plate is respectively equipped at relative inner wall, the clamping plate slides setting along the direction perpendicular to plane where clamping plate.

By using above-mentioned technical proposal, workpiece is clamped by the clamping plate that Relative sliding in bayonet is arranged, and in sliding bar Workpiece is unclamped when turning to rewinding box to be stored.

Further, it is equipped between the clamping plate and corresponding bayonet inner sidewall and pushes against spring, along cunning between the clamping plate The sliding of lever length direction is equipped with voussoir, and the circumferential surface cooperation that the voussoir corresponds to clamping plate is arranged in inclined-plane.

By using above-mentioned technical proposal, on the one hand, the setting of voussoir can push two clamping plates open according to workpiece size, vacate Workpiece placement space, on the other hand, the abutting spring being arranged between clamping plate and bayonet inner sidewall can push clamping plate to squeeze workpiece, Guarantee that clamping jaw to the clamping action of workpiece, avoids workpiece from being detached from clamping jaw in drive rod rotation process.

Further, the second cylinder is equipped in the sliding bar, the voussoir is connected on the piston rod of the second cylinder.

By using above-mentioned technical proposal, is back and forth slid, realized by the second cylinder band dynamic voussoir being arranged on sliding bar Two clamping plates it is close and separate, to realize the clamping and dispensing of workpiece.

In conclusion the utility model has the effect that the cunning of the drive rod cooperation sliding setting by rotation setting The clamping jaw that lever is connect with sliding boom end clamps workpiece, and piles up in rewinding box, realizes the automation rewinding of workpiece, thus Reduce intensity of workers.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the automatic withdrawing mechanism of the utility model powder used in metallurgy trimmer；

Fig. 2 is the partial exploded view of drive seat and sliding bar part；

Fig. 3 is the enlarged drawing of part A in Fig. 1；

Fig. 4 is the cross-sectional view of rewinding box part.

In figure: 1, workbench；11, sliding rail；2, drive rod；21, drive rack；211, gear is driven；22, drive seat； 221, accommodation groove；2211, sliding groove；222, the first cylinder；23, sliding bar；231, sliding shoe；232, bayonet；233, the second gas Cylinder；234, voussoir；3, clamping jaw；31, clamping plate；32, spring is pushed against；4, rewinding box；41, pedestal；411, guide groove；412, control electricity Machine；413, internal gear；42, rewinding disk；421, annular partition；422, gear is controlled.

Specific embodiment

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

Embodiment: a kind of automatic withdrawing mechanism of powder used in metallurgy trimmer, as shown in Figure 1, including workbench 1, in work Make to be rotatably connected to the drive rod 2 being vertically arranged on platform 1, be connected in 2 top level of drive rod perpendicular to the setting of drive rod 2 Drive seat 22, and sliding is connected with sliding bar 23 along its length in drive seat 22, and is connected with folder in 23 end of sliding bar Pawl 3, here, the setting of 3 alignment pieces of clamping jaw；Meanwhile the side on workbench 1 close to drive rod 2 is provided with rewinding box 4.

In the process of trimmer, workpiece is sent one by one to progress punching press setting below stamping device, and punching press is complete Complete workpiece can be pushed bar and push away below stamping device, and still, workpiece is random under the push effect of push rod to be distributed in Stamping device increases the rewinding difficulty of staff far from the workbench 1 of push rod side；Therefore, punching press knot is utilized Beam, push rod are not yet sent into the neutral gear of next workpiece, make 22 alignment pieces position of drive seat, and driving sliding bar 23 slides, Workpiece is clamped using clamping jaw 3, then is moved to clamping jaw 3 above rewinding box 4 under the transmission of drive rod 2, so that workpiece be stacked Into rewinding box 4, the automation rewinding of workpiece is realized, reduce worker workload, reduce its labor intensity.

In order to realize reciprocating motion of the clamping jaw 3 between rewinding box 4 and stamping device, as shown in Figure 1, around 2 bottom of drive rod End periphery is provided with drive rack 21, and is rotatablely connected upper two respectively on the workbench 1 of 2 two sides of drive rod and is driven by motor Driving gear 211, here, driving gear 211 be half gear, and one driving gear 211 teeth part and drive rack 21 When engagement, the teeth of another driving gear 211 are partially disengaged the setting of drive rack 21, meanwhile, the rotation side of two driving gears 211 To being reversed.In this way, two driving gears 211 persistently rotate after electric motor starting, when driving gear 211 is engaged with drive rack 21 Drive rod 2 can be driven to rotate, and when smooth part goes to 21 position of drive rack, loses driving effect, to utilize two Reversely rotated driving gear 211 realization drive rod 2 carrys out back rotation.

And in order to realize past polyslip of the sliding bar 23 in drive seat 22, on the one hand, as shown in Figure 1, in drive seat 22 One end far from drive rod 2 is provided with accommodation groove 221, and the sliding of sliding bar 23 is placed in accommodation groove 221, in drive seat 22 close to driving One end attaching of bar 2 has the first cylinder 222, and the piston rod of the first cylinder 222 is connected to sliding bar 23 close to the end of drive rod 2 Setting；On the other hand, as shown in Fig. 2, sliding groove 2211 is provided with along 22 length direction of drive seat in 221 slot bottom of accommodation groove, in cunning 23 bottom end of lever is equipped with sliding shoe 231, and the sliding of sliding shoe 231 is connected in sliding groove 2211.In this way, passing through the While one cylinder 222 pulls sliding bar 23 in accommodation groove 221 toward polyslip, sliding groove 2211 and sliding shoe 231 are utilized The sliding of cooperation guiding sliding bar 23, the reciprocating motion of Stable sliding bar 23.

Further, in order to realize the crawl of clamping jaw 3 and launch function, as shown in figure 3, in sliding bar 23 far from drive rod 2 End be provided with U-shaped bayonet 232, and clamping jaw 3 is included in bayonet 232, the opposite inner sidewalls of 232 liang of corresponding bayonet are respectively arranged Clamping plate 31, here, clamping plate 31 are respectively parallel to corresponding inner sidewall setting, and are arranged between inner sidewall and corresponding clamping plate 31 Have and pushes against spring 32；Meanwhile it postponing in sliding bar 23 far from one end of drive rod 2 and 23 length direction of sliding bar is provided with second Cylinder 233, the piston rod end of the second cylinder 233 is connected with the voussoir 234 that two sides are in inclined-plane setting, and voussoir 234 can be slided Shifting is plugged between two clamping plates 31.Thus it is possible, on the one hand, two clamping plates 31 are pushed in the sliding setting by voussoir 234 open, enter workpiece In bayonet 232, on the other hand, after voussoir 234 exits between two clamping plates 31, clamping plate 31 can be supported in the case where pushing against spring 32 and acting on Workpiece two sides are connected to, to clamp workpiece；And when clamping jaw 3 turns to rewinding box 4, voussoir 234 again insertable into two clamping plates 31 it Between, to unclamp workpiece, workpiece is facilitated to enter rewinding box 4.

It since workpiece also needs staff to pile up after falling into rewinding box 4, is more troublesome, therefore, as shown in figure 4, in work Make to be relatively set with two sliding rails being parallel to each other 11 on platform 1, and rewinding box 4 includes the pedestal that sliding is connected on two guide rails 41,41 bottom of pedestal is provided with the guide groove 411 that sliding is plugged in sliding rail 11；Meanwhile receipts are rotatably connected on pedestal 41 Charging tray 42 has been arranged concentrically several layers annular partition 421 in rewinding disk 42, and here, the distance between two annular partitions 421 are bigger In workpiece setting.In this way, facilitating two that workpiece is placed in rewinding disk 42 by clamping jaw 3 one by one by the rewinding disk 42 of rotation setting Between annular partition 421, and after piling a circle workpiece, mobile base 41 adjusts 42 position of rewinding disk, keeps workpiece alignment vacant Two annular partitions 421 before space, to realize the uninterrupted stacking of workpiece.

In addition, in order to realize relative rotation of the rewinding disk 42 on pedestal 41, as shown in figure 4, being embedded with control in pedestal 41 Motor 412 processed is coaxially connected with internal gear 413 on the output shaft of control motor 412, and the cooperation of 42 bottom centre of rewinding disk is set It is equipped with the control gear 422 being plugged in internal gear 413.In this way, passing through the internal gear 413 of rotation and nibbling for control gear 422 Close the rotation for realizing the rewinding disk 42 being wholely set with control gear 422.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of automatic withdrawing mechanism of powder used in metallurgy trimmer, including workbench (1), it is characterised in that: the workbench (1) rotation is equipped with the drive rod (2) being vertically arranged on, and drive rod (2) the top level is equipped with to be arranged perpendicular to drive rod (2) Drive seat (22), sliding is equipped with sliding bar (23) along its length on the drive seat (22), sliding bar (23) end Portion is equipped with clamping jaw (3)；Side on the workbench (1) close to drive rod (2) is equipped with rewinding box (4).

2. the automatic withdrawing mechanism of powder used in metallurgy trimmer according to claim 1, it is characterised in that: around the driving Bar (2) bottom periphery is equipped with drive rack (21), and rotation is equipped with driving gear (211), the sliding tooth on the workbench (1) Wheel (211) is engaged in drive rack (21) setting.

3. the automatic withdrawing mechanism of powder used in metallurgy trimmer according to claim 2, it is characterised in that: the sliding tooth Taking turns (211) is half gear, two is set as, and be engaged in the drive rack (21) of drive rod (2) two sides respectively, described in two The rotation direction of driving gear (211) is reversed, and the teeth part of driving gear (211) is engaged with drive rack (21) When, the teeth of another driving gear (211) are partially disengaged drive rack (21) setting.

4. the automatic withdrawing mechanism of powder used in metallurgy trimmer according to claim 1, it is characterised in that: the drive seat (22) one end far from drive rod (2) is provided with sliding groove (2211) along its length, and sliding bar (23) cooperation, which is equipped with, to be slided Motion block (231).

5. the automatic withdrawing mechanism of powder used in metallurgy trimmer according to claim 4, it is characterised in that: the drive seat (22) one end close to drive rod (2) is equipped with the first cylinder (222), and the piston rod of first cylinder (222) is connected to sliding Bar (23) is arranged close to the end of drive rod (2).

6. the automatic withdrawing mechanism of powder used in metallurgy trimmer according to claim 1, it is characterised in that: the clamping jaw It (3) include the bayonet (232) for the U-shaped that sliding bar (23) are opened up far from the end of drive rod (2), the interior two-phase of the bayonet (232) Internal side-walls are respectively equipped with clamping plate (31), and the clamping plate (31) sets along the direction sliding perpendicular to plane where clamping plate (31) It sets.

7. the automatic withdrawing mechanism of powder used in metallurgy trimmer according to claim 6, it is characterised in that: the clamping plate (31) it is equipped between corresponding bayonet (232) inner sidewall and pushes against spring (32), along sliding bar (23) between the clamping plate (31) Length direction sliding is equipped with voussoir (234), and the circumferential surface cooperation of the voussoir (234) corresponding clamping plate (31) is arranged in inclined-plane.

8. the automatic withdrawing mechanism of powder used in metallurgy trimmer according to claim 7, it is characterised in that: the sliding bar (23) the second cylinder (233) are equipped in, the voussoir (234) is connected on the piston rod of the second cylinder (233).