CN210211330U - Die head device for plastic suction machine - Google Patents

Abstract

The utility model provides a die head device for on plastic uptake machine, it is including last die head and the lower die head of mutually supporting, still including being located go up the upper bracket of die head top, be used for with go up die head fixed mounting and be in last die holder, setting on the upper bracket are in the die holder of die head bottom down, be used for with the fixed locking of die head down fixed subassembly and connection on the die holder go up the support post between support holder and the die holder, go up the support holder with the support post constitutes the sliding connection of vertical direction, and this die head device it is on the basis of guaranteeing the normal processing operation of lathe, and the impact force that can effectual buffering die holder bear again slows down the plastic uptake machine lower mould and moves down gradually.

Description

Die head device for plastic suction machine

Technical Field

The utility model relates to a plastic uptake machine processing equipment technical field, concretely relates to a die head device for on plastic uptake machine.

Background

The plastic suction machine is a machine for sucking heated and plasticized thermoplastic plastic sheets into boxes, frames and other products with various shapes, and during work, the vacuum suction force generated by a vacuum pump is utilized to suck the heated and softened thermoplastic material sheets through a mold to change the shapes, and the thermoplastic material sheets are cooled and shaped into various plastic suction products.

When the plastic suction machine works, the upper pressing die is driven by external force to vertically lift and move and is matched with the lower pressing die positioned below the upper pressing die to realize the molding work of a plastic workpiece to be processed. Under the condition of long-time work or large stamping force, the downward pressure born by the downward pressing die due to long-time pressing or certain impact force can cause the downward pressure to generate displacement, for example, under the condition that the assembly or processing precision of the die is not satisfactory, the phenomenon that the outline dimension of the formed workpiece is not up to standard can be caused.

Disclosure of Invention

To the defect that exists among the prior art, the utility model aims to provide a die head device for on plastic uptake machine, this die head device it is on the basis of guaranteeing the normal processing operation of lathe, and the impact force that can effectual buffering die holder bore again prevents that the phenomenon that the position moved down from appearing in the die head down takes place.

In order to achieve the above object, the utility model adopts the following technical scheme:

a die head device for a plastic uptake machine comprises an upper die head and a lower die head which are matched with each other, the die head device further comprises an upper supporting seat positioned above the upper die head, an upper die base used for fixedly installing the upper die head on the upper supporting seat, a lower die base arranged at the bottom end of the lower die head, a fixing component used for fixedly locking the lower die head on the lower die base and a supporting upright connected between the upper supporting seat and the lower die base, the upper supporting seat and the supporting upright form a sliding connection in the vertical direction, the fixing component comprises at least one locking screw, a mounting groove correspondingly arranged at the bottom end of the lower die base and used for mounting the locking screw, hydraulic oil filled in the inner cavity of the mounting groove, a sealing cover arranged at the bottom end of the lower die base and matched with the mounting groove in a sealing way and a piston rod arranged in the inner cavity of the mounting groove, wherein its both ends of piston rod are provided with piston and lower piston respectively, go up the piston with locking screw's bottom is inconsistent to be contacted, lower piston it with be located the mounting groove inner chamber hydraulic oil contact is contradicted.

Further, its bottom of support post is through the mount pad fixed mounting that is provided with on the die holder, its gland that is provided with through the top of mount pad with the support post is fixed continuous, wherein be provided with on its inside end face of gland with the protruding matched with recess that the outer terminal surface of support post was provided with, the gland upper end through locking screw fixed mounting on the mount pad.

Further, a rubber sleeve is arranged between the end faces of the supporting upright post, which are in contact with the mounting seat.

Furthermore, a separation blade for preventing the upper supporting seat from moving over is further arranged at the top end of the supporting upright post.

Compared with the prior art, the scheme has the beneficial technical effects that: the die head device in the scheme is characterized in that a fixing component is arranged on a lower die holder for mounting a lower die head, the fixing component comprises a mounting groove, hydraulic oil filled in the mounting groove and a piston rod positioned in an inner cavity of the mounting groove, wherein, the two ends of the piston rod are respectively provided with an upper piston and a lower piston, the upper piston is contacted with the bottom end of the locking screw in a propping way, the lower piston is contacted and propped with the hydraulic oil in the inner cavity of the mounting groove, when the lower die head is in work and bears the impact pressure brought by the upper die head, if the lower die head is pressed to displace downwards, the lower die head can transmit the borne pressure to the piston rod through the locking screw, the borne pressure of the piston rod can be applied to the hydraulic oil in the mounting groove, and the pressure borne by the lower die head is dispersed through the hydraulic oil, so that the phenomenon that the lower die head is displaced downwards due to the pressure borne by the lower die head is prevented.

Drawings

Fig. 1 is a schematic structural view of a punch device in the present embodiment;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

The reference numerals in the figures illustrate:

1-upper supporting seat, 2-supporting upright post, 3-upper die holder, 4-upper die head, 5-lower die holder, 6-lower die head, 7-mounting seat, 8-rubber sleeve, 9-locking screw, 10-mounting groove, 11-upper piston, 12-piston rod, 13-lower piston, 14-hydraulic oil, 15-sealing cover, 16-sealing ring, 17-separation blade and 18-pressing cover.

Detailed Description

The present invention will be described in further detail with reference to the drawings and the following detailed description.

The scheme is that aiming at the condition that the long-time work or the stamping force of the existing plastic uptake machine is large, the lower die is pressed for a long time or the impact force of a certain time, the phenomenon that the lower pressure born by the lower die possibly causes the displacement of the lower die can be generated, the phenomenon that the overall dimension of a formed workpiece does not reach the standard can be generated, and then the die head device used on the plastic uptake machine is provided.

Referring to fig. 1 to 2, the die head device in this embodiment includes an upper die head 4 and a lower die head 6 which are matched with each other, an upper support base 1 which is located above the upper die head 4, an upper die base 3 (for being fixedly connected by a locking bolt) for fixedly mounting the upper die head 4 on the upper support base 1, a lower die base 5 which is arranged at the bottom end of the lower die head 6, a fixing component for fixedly locking the lower die head 6 on the lower die base 5, and a support column 2 which is connected between the upper support base 1 and the lower die base 5, the upper support base 1 and the support column 2 form a vertical sliding connection, the fixing component includes at least one locking screw 9, a mounting groove 10 which is correspondingly arranged at the bottom end of the lower die base 5 and used for mounting the locking screw 9, hydraulic oil 14 which is filled in an inner cavity of the mounting groove 10, a sealing cover 15 which is arranged at the bottom end of the lower die base 5 and is in sealing fit with the mounting groove 10, wherein, the two ends of the piston rod 12 are respectively provided with an upper piston 11 and a lower piston 13, the upper piston 11 is contacted with the bottom end of the locking screw 9 in a propping way, and the lower piston 13 is contacted with hydraulic oil 14 in the inner cavity of the mounting groove 10 in a propping way. Piston rod 12 it is when actual installation, piston rod 12's last piston 11 it is contradicted with locking screw 9 and is linked to each other, simultaneously go up the outside all around of piston 11 and laminate mutually with the inner wall of mounting groove 10, lower piston 13 its outside all around laminates mutually with the inner wall of mounting groove 10, lower piston 13's bottom is contradicted with the hydraulic oil 14 that is located the mounting groove 10 and is linked to each other, because hydraulic oil 14 it is in sealed state (the bottom mouth of mounting groove 10 seals through sealed lid 15 and sealing washer 16), it can be formed with certain extrusion force to lower piston 13, in addition go up piston 11 and lower piston 13 the outside all around and the mounting groove 10 inner wall and laminate mutually, thereby can guarantee that piston rod 12 is vertical to be installed in mounting groove 10.

Its bottom of support post 2 in this embodiment is through being provided with mount pad 7 fixed mounting on die holder 5, and mount pad 7 is fixed continuous with support post 2 through the gland 18 that the top was provided with, wherein is provided with the protruding matched with recess that is provided with the outer terminal surface of support post 2 on 18 its interior terminal surfaces of gland, and 18 upper ends of gland pass through locking screw 9 fixed mounting on mount pad 7. In addition, in order to enable the support column 2 to be better installed on the lower die base 5, a rubber sleeve 8 is further arranged between the end face of the support column 2 in contact with the installation base 7 in the embodiment. In addition, in order to prevent the upper supporting seat 1 from being over-positioned when ascending, moving and resetting, the top end of the supporting column 2 in the embodiment is further provided with a blocking piece 17 for preventing the upper supporting seat 1 from moving over-position.

During operation, it is under the exogenic action (actuating cylinder) on upper supporting seat 1, its hold in step moves the upper die head and moves down along support column 2, mutually support with the die holder 5 that is located the below, realize punching press work, wherein, when lower die head 6 bears the impact pressure that the upper die head brought, if lower die head 6 receives the downward displacement that produces of pressure, lower die head 6 it can transmit the pressure that receives to piston rod 12 through locking screw 9 on, the pressure that piston rod 12 received can be exerted in the hydraulic oil 14 in the mounting groove 10, and then disperse the pressure that lower die head 6 received through hydraulic oil 14, thereby prevent because the phenomenon that lower die head 6 received pressure and produce the displacement downwards.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalent technologies, the present invention is also intended to include such modifications and variations.

Claims (4)

1. A die head device for a plastic suction machine comprises an upper die head and a lower die head which are matched with each other, and is characterized in that: the die head device also comprises an upper supporting seat positioned above the upper die head, an upper die base used for fixedly installing the upper die head on the upper supporting seat, a lower die base arranged at the bottom end of the lower die head, a fixing component used for fixedly locking the lower die head on the lower die base and a supporting upright post connected between the upper supporting seat and the lower die base, wherein the upper supporting seat and the supporting upright post form a sliding connection in the vertical direction, the fixing component comprises at least one locking screw, a mounting groove correspondingly arranged at the bottom end of the lower die base and used for mounting the locking screw, hydraulic oil filled in an inner cavity of the mounting groove, a sealing cover arranged at the bottom end of the lower die base and hermetically matched with the mounting groove and a piston rod arranged in the inner cavity of the mounting groove, wherein an upper piston and a lower piston are respectively arranged at two ends of the piston rod, the upper piston is in contact with the bottom end of the locking screw in a butting mode, and the lower piston is in contact with hydraulic oil in the inner cavity of the mounting groove in a butting mode.

2. The die head device for the plastic sucking machine according to claim 1, wherein: the bottom end of the supporting stand column is fixedly installed on the lower die seat through an installation seat arranged on the bottom end of the supporting stand column, the installation seat is fixedly connected with the supporting stand column through a gland arranged on the top end of the installation seat, a groove matched with a bulge is formed in the inner end face of the gland and is formed in the outer end face of the supporting stand column, and the upper end of the gland is fixedly installed on the installation seat through a locking screw.

3. The die head device for the plastic sucking machine according to claim 2, wherein: and a rubber sleeve is also arranged between the end surfaces of the supporting upright post and the mounting seat which are contacted with each other.

4. A die assembly for a vacuum molding machine according to any one of claims 1 to 3, wherein: the top end of the supporting column is also provided with a blocking piece for preventing the upper supporting seat from moving over.

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