CN213536440U - Workpiece supporting device - Google Patents

Abstract

The utility model discloses a work piece holds up device relates to mould processing technology field, including the die holder, be equipped with first spout on the die holder, vertical sliding connection has the tray in the first spout, the top of tray is equipped with the locating pin, the tank bottom of first spout is equipped with first mounting hole, install the uide bushing in the first mounting hole, the guide post has been cup jointed in the uide bushing, the top of guide post supports in the bottom surface of tray, be equipped with the air spring between guide post and the die holder, the bottom surface of tray is equipped with the slide opening, guide post sliding connection is in the slide opening, the top of tray is equipped with the through-hole of intercommunication slide opening, be equipped with the adapter sleeve in the through-hole, the spiro union has the screw rod in the adapter sleeve, be equipped with the regulating block in the slide opening, the regulating. The utility model discloses can realize the regulation to the upper limit height of tray under the condition that need not dismantle the tray, improve the convenience that the device adjusted.

Description

Workpiece supporting device

Technical Field

The utility model relates to a mould processing technology field, in particular to work piece holds up device.

Background

In the production process of the automatic high-speed multi-station die parts, one of the primary conditions for meeting the high-speed production is that the datum heights of the machined parts to be placed on the dies in all the processes are consistent, and the positioning is reliable, so that the machining datum is uniform. Therefore, the existing mode is that the piece supporting device is arranged on the lower die base, the traditional piece supporting device adopts the air cylinder to lift, although the traditional piece supporting device can play a role of supporting pieces, the appearance size is large, the die cost is high, and the requirements of automatic high-speed production cannot be met due to low driving efficiency and poor reliability of the air cylinder.

Chinese utility model patent with publication number CN202427860U discloses an accurate guide holding mechanism for multi-station die, the mechanism adopts guide pin bushing and guide post as leading the saddle piece, and the guide post is fixed with the holding up piece, and the guide pin bushing is fixed with the lower mould, and the relative guide pin bushing of guide post slides when holding up. The structure avoids the shaking phenomenon in the movement process of the supporting block, and improves the positioning precision of the workpiece; in addition, the nitrogen spring is used to replace common spring in the force source, so that the lifting force source is more stable and efficient and has more compact structure. Will the utility model is used for the multistation mould can effectively eliminate because of holding up the piece and rock the hidden danger that makes the finished piece place not in place. The defect that this technique exists is the upper limit height of the regulation tray that can not the efficient, even increase through the mode of adding the gasket and also need dismantle the tray for whole accommodation process is loaded down with trivial details, influences production efficiency, and is especially unfavorable to the frequent mould of work piece jack-up height adjustment.

Disclosure of Invention

To above defect, the utility model aims at providing a work piece holds up device aims at solving the poor problem of the upper limit altitude mixture control process convenience of tray among the prior art.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a work piece holds in palm device, including the die holder, be equipped with first spout on the die holder, vertical sliding connection has the tray in the first spout, the top of tray is equipped with the locating pin, the tank bottom of first spout is equipped with first mounting hole, install the uide bushing in the first mounting hole, the guide post has been cup jointed in the uide bushing, the top of guide post supports in the bottom surface of tray, be equipped with the air spring between guide post and the die holder, the bottom surface of tray is equipped with the slide opening, guide post sliding connection is in the slide opening, the top of tray is equipped with the through-hole of intercommunication slide opening, be equipped with the adapter sleeve in the through-hole, the spiro union has the screw rod in the adapter sleeve, be equipped with the regulating block in.

Wherein, be equipped with the second mounting hole on the guide post, peg graft in the second mounting hole at the top of air spring, be equipped with the cushion in the second mounting hole, placed the kicking block in the first mounting hole, the top of air spring presses on the cushion, and the bottom of air spring presses on the kicking block.

Wherein, the side of tray is equipped with the second spout, and first stopper is installed to the last detachably of die holder, and first stopper sliding fit is in the second spout.

Wherein, the top of tray is equipped with communicating first mounting groove and second mounting groove, and the locating pin is including the installation piece and fix the round pin body at installation piece top, and the installation piece joint is in first mounting groove, and detachably installs the second stopper in the second mounting groove, and the second stopper presses on the top surface of installation piece.

Wherein, the top of regulating block is equipped with the third mounting groove, and the third mounting groove internal rotation is installed and is changeed the piece, changes piece and screw rod fixed connection, has cup jointed the spacing ring on the screw rod, spacing ring rigid coupling in the top of regulating block and shelter from the third mounting groove.

Wherein, the side of the rotating block is an arc surface.

Wherein, the top of the through hole is buckled with a stop block.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

because the utility model discloses the work piece holds in the palm the device and includes the die holder, be equipped with first spout on the die holder, vertical sliding connection has the tray in the first spout, the top of tray is equipped with the locating pin, the tank bottom of first spout is equipped with first mounting hole, install the uide bushing in the first mounting hole, the guide post has been cup jointed in the uide bushing, the top of guide post supports in the bottom surface of tray, the bottom of guide post passes through air spring elastic support on the die holder, the top of tray is equipped with the through-hole of intercommunication slide opening, be equipped with the adapter sleeve in the through-hole, the spiro union has the screw rod in the adapter sleeve, be equipped with the regulating block in the slide opening, the regulating block is installed on the screw rod, vertical position through the rotating screw rod can adjust the regulating block, can realize the regulation to the upper limit height of tray under the condition that does not need dismantle.

To sum up, the utility model discloses effectively overcome the poor problem of the upper limit altitude mixture control process convenience of tray among the prior art, the utility model discloses can realize the regulation to the upper limit height of tray under the condition that need not dismantle the tray, improve the convenience that the device adjusted.

Drawings

Fig. 1 is a schematic structural view of a workpiece supporting device according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

in the figure, the lower die holder 1, the first sliding groove 10, the first mounting hole 11, the guide sleeve 110, the first limit block 12, the guide post 2, the second mounting hole 20, the gas spring 21, the cushion block 22, the top block 23, the support block 3, the sliding hole 30, the second sliding groove 31, the first mounting groove 32, the mounting block 320, the pin body 321, the second mounting groove 33, the second limit block 330, the through hole 34, the connecting sleeve 340, the stop 341, the screw 35, the adjusting block 36, the third mounting groove 360, the rotating block 361 and the limit ring 362.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The orientations referred to in the specification are based on the orientation of the workpiece supporting device in normal operation, and the orientation of the workpiece supporting device in storage and transportation is not limited, and only represents relative positional relationship, but not absolute positional relationship.

As shown in fig. 1 and fig. 2 together, the workpiece supporting device includes a lower die holder 1, a first chute 10 is arranged on the lower die holder 1, a supporting block 3 is vertically and slidably connected in the first chute 10, a positioning pin is arranged at the top of the supporting block 3, a first mounting hole 11 is arranged at the bottom of the first chute 10, a guide sleeve 110 is arranged in the first mounting hole 11, a guide post 2 is sleeved in the guide sleeve 110, a second mounting hole 20 is arranged at the bottom of the guide post 2, an air spring 21 is arranged in the second mounting hole 20, and the top of the air spring 21 is inserted in the second mounting hole 20. The gas spring 21 is preferably a nitrogen gas spring, the gas spring 21 is vertically supported between the guide post 2 and the lower die holder 1, and the top of the guide post 2 is upwards abutted against the bottom surface of the support block 3 under the elastic action of the gas spring 21.

When the device runs, a part is accurately positioned on the supporting block 3 through a positioning pin on the device, the upper die component moves downwards along with a machine tool slide block so as to press the part, and the nitrogen spring is about to be pressed;

the machine tool slide block continues to move downwards, the nitrogen spring is pressed, the upper die component presses the supporting block 3 and moves downwards until the specified stroke, the machine tool slide block reaches a lower dead point, and trimming, flanging or shaping work is finished;

the slide block of the machine tool ascends, the supporting block 3 ascends under the action of the nitrogen spring, the supporting block 3 stops after ascending to a specified stroke, after the upper die component continues to ascend to a certain distance, the carrying hand enters the die to take and deliver the parts which are finished to be processed, and the whole supporting device enters the next cycle of work.

The top of the supporting block 3 is provided with a through hole 34 coaxially communicated with the sliding hole 30, a connecting sleeve 340 is fixedly installed in the through hole 34 through a bolt, a screw rod 35 is screwed in the connecting sleeve 340, an adjusting block 36 is arranged in the sliding hole 30, and the adjusting block 36 is installed on the screw rod 35. The adjustment of the height position of the adjusting block 36 is achieved by rotating the screw 35, and the adjustment process can be achieved without disassembling the holding block 3. The top of the through hole 34 is a stepped hole, and the stopper 341 is a stepped pillar adapted to the stepped hole. The stopper 341 is engaged with the through hole 34 to prevent impurities from entering the through hole 34.

Further, regulating block 36's top is equipped with third mounting groove 360, the piece 361 that changes is installed to the 360 internal rotations in third mounting groove, change piece 361 and screw rod 35 fixed connection, the spacing ring 362 has been cup jointed on the screw rod 35, the spacing ring 362 presses on regulating block 36, and through the bolt fastening, the opening of third mounting groove 360 is sheltered from to the spacing ring 362, avoid regulating block 36 to deviate from it, when rotating screw rod 35, drive and change piece 361 at the 360 internal rotations in third mounting groove, the wearing and tearing between regulating block 36 and the guide post 2 have been reduced.

Preferably, the side surface of the rotation block 361 is an arc surface, so that the friction force between the rotation block 361 and the inner wall of the third installation groove 360 can be reduced in the rotation process.

Further, a cushion block 22 is arranged in the second mounting hole 20, the top end of the nitrogen spring is pressed against the cushion block 22, the cushion block 22 enlarges the bearing area of the bottom of the nitrogen spring, and the guide column 2 is prevented from being prematurely damaged due to small stress area, so that the device fails. The top block 23 is placed in the first mounting hole 11, the bottom end of the nitrogen spring is pressed against the top block 23, the heat treatment requirement of the top block 23 is HRC40-HRC45, the die holder fatigue failure caused by the fact that a nitrogen cylinder piston rod of the nitrogen spring repeatedly impacts the bottom surface of the die holder is avoided, and the service life of the device is prolonged.

Furthermore, the bottom surface of the supporting block 3 is provided with a sliding hole 30, and the guide post 2 is slidably connected in the sliding hole 30. The stability of the whole device is further improved by the sliding fit of the guide post 2 in the sliding hole 30.

Further, a second sliding groove 31 is formed in the side face of the supporting block 3, a first limiting block 12 is detachably mounted on the lower die holder 1, and the first limiting block 12 is in sliding fit with the second sliding groove 31. The first limiting block 12 slides in the second sliding groove 31 to limit the upward movement of the supporting block 3, so that the stroke precision of the supporting block 3 is ensured, and the falling-off condition during turning is avoided.

Further, the top of tray 3 is equipped with communicating first mounting groove 32 and second mounting groove 33, the locating pin is including installation piece 320 and fix the round pin body 321 at installation piece 320 top, installation piece 320 joint is in first mounting groove 32, there is second stopper 330 through the bolt fastening in second mounting groove 33, second stopper 330 presses on the top surface of installation piece 320, the realization is to the anticreep of installation piece 320 out of the location, the fastness after the locating pin installation has been improved, and make the dismantlement of locating pin more convenient.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides a work piece holds in palm device, includes the die holder, be equipped with first spout on the die holder, vertical sliding connection has the tray in the first spout, the top of tray is equipped with the locating pin, the tank bottom of first spout is equipped with first mounting hole, install the uide bushing in the first mounting hole, the guide post has been cup jointed in the uide bushing, the top of guide post support in the bottom surface of tray, the guide post with be equipped with the air spring between the die holder, its characterized in that, the bottom surface of tray is equipped with the slide opening, guide post sliding connection in the slide opening, the top of tray is equipped with the intercommunication the through-hole of slide opening, be equipped with the adapter sleeve in the through-hole, the spiro union has the screw rod in the adapter sleeve, be equipped with the regulating block in the slide opening, the regulating block is installed on the screw rod.

2. A workpiece holding apparatus as defined in claim 1, wherein said guide post is provided with a second mounting hole, a top of said gas spring is inserted into said second mounting hole, a cushion block is provided in said second mounting hole, a top block is placed in said first mounting hole, a top end of said gas spring is pressed against said cushion block, and a bottom end of said gas spring is pressed against said top block.

3. The workpiece supporting device as claimed in claim 1, wherein a second sliding groove is formed in a side surface of the supporting block, a first limiting block is detachably mounted on the lower die base, and the first limiting block is in sliding fit with the second sliding groove.

4. The workpiece supporting device as claimed in claim 1, wherein a first mounting groove and a second mounting groove are formed in the top of the supporting block and are communicated with each other, the positioning pin comprises a mounting block and a pin body fixed to the top of the mounting block, the mounting block is clamped in the first mounting groove, a second limiting block is detachably mounted in the second mounting groove, and the second limiting block is pressed against the top surface of the mounting block.

5. The workpiece supporting device according to claim 1, wherein a third mounting groove is formed in a top of the adjusting block, a rotating block is rotatably mounted in the third mounting groove, the rotating block is fixedly connected with the screw rod, a limiting ring is sleeved on the screw rod, and the limiting ring is fixedly connected to the top of the adjusting block and shields the third mounting groove.

6. A workpiece holding apparatus as set forth in claim 5, wherein said side surface of said rotary block is an arc-shaped surface.

7. A workpiece holding apparatus as set forth in claim 1, wherein a stopper is engaged with a top of said through hole.

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