CN210817314U

CN210817314U - Casting mould with thimble drive mechanism

Info

Publication number: CN210817314U
Application number: CN201921522188.0U
Authority: CN
Inventors: 简伟文; 严福刚; 胡志彬; 龚永艳
Original assignee: Foshan Nanhai Superband Mould Co Ltd
Current assignee: Foshan Nanhai Superband Mould Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-23
Anticipated expiration: 2029-09-12

Abstract

The casting mould with the thimble driving mechanism comprises a molding module for enclosing a workpiece casting cavity, a mould assembly mounting plate and a molding module connecting plate arranged below the mould assembly mounting plate, wherein the mould assembly mounting plate is used for being mounted on a casting machine table, and the molding module is fixedly connected below the molding module connecting plate; the utility model has the advantages of: 1. because the thimble locating plate sets up in the space of being enclosed by whole guiding mechanism, guiding mechanism can provide the direction for the thimble locating plate from a plurality of position like this to because the expansion end of slider slides and sets up in the guide way, the link fixed connection of slider is on the thimble locating plate, under guide way and slider synergism like this, makes the thimble locating plate more steady at last gliding in-process, thereby also makes the thimble advance the in-process that pushes away the work piece, still is difficult to the card stagnation at the in-process that retreats and reset.

Description

Casting mould with thimble drive mechanism

Technical Field

The invention relates to a casting mold, in particular to a casting mold with an ejector pin driving mechanism.

Background

The casting mold generally includes a module for enclosing a casting cavity, and after the casting operation is completed, in order to automatically complete the demolding operation of the workpiece, material pushing devices are arranged on the casting mold, and in the mold opening state, the workpiece attached to the module is pushed down by the material pushing devices. The common structure can be seen in patent CN201520513766.X discloses a can be with ejecting injection mold of goods side direction, injection mold includes back template and fixed die plate, be equipped with back mould benevolence in the back template, be equipped with fixed die benevolence in the fixed die plate, be equipped with slider and product cavity between back mould benevolence and the fixed die benevolence, the both sides of back template are equipped with ejection mechanism respectively, ejection mechanism includes: the die comprises a baffle, an ejector pin fixing plate guide block, an ejector pin fixing plate, an oil cylinder T-shaped block and an oil cylinder, wherein the ejector pin fixing plate is fixedly connected with the oil cylinder through the oil cylinder T-shaped block, the baffle is fixed on the rear die plate, the ejector pin is fixed in the ejector pin fixing plate, the ejector pin fixing plate guide block is installed on the rear die plate through a plurality of screws, the ejector pin fixing plate advances and retreats along a guide surface of the ejector pin fixing plate guide block, and an included angle of 40-50 degrees is formed between the guide surface of the ejector pin fixing plate guide block and the bottom surface of the rear die plate, so that the total height of. However, other problems are caused, for example, due to the lack of an effective guiding structure, the ejector pin is very easy to be stuck in the operation process, and in this scheme, an oil cylinder needs to be configured for each pushing mechanism, which not only complicates the mold structure and increases the manufacturing cost, but also makes it difficult to achieve the synchronous action of all the pushing mechanisms.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a casting mold with an ejector pin driving mechanism, which has a simple ejector pin driving structure and is favorable for ensuring the sliding stability of the ejector pin. The invention provides a casting mould with an ejector pin driving mechanism, which comprises a molding module for enclosing a workpiece casting cavity, a mould assembly mounting plate and a molding module connecting plate arranged below the mould assembly mounting plate, wherein the mould assembly mounting plate is used for being mounted on a casting machine table, and the molding module is fixedly connected below the molding module connecting plate; the mould assembly is characterized in that at least one pair of guide mechanisms which are arranged left and right respectively and an ejector pin positioning plate which is arranged on the guide mechanisms in a vertically sliding manner are arranged between the mould assembly mounting plate and the moulding module connecting plate, the ejector pin positioning plate is arranged in a space defined by all the guide mechanisms, an ejector pin is arranged on the ejector pin positioning plate, and the ejector pin is used for penetrating through the moulding module connecting plate and pushing the workpiece to be separated from the moulding module by the moulding module; the guide mechanism comprises a guide seat and a sliding block, the guide seat is fixedly connected between the die assembly mounting plate and the molding module connecting plate, a guide groove extending in the vertical direction is formed in the guide seat, the movable end of the sliding block is slidably arranged in the guide groove, and the connecting end of the sliding block is fixedly connected to the thimble positioning plate; still including arranging the power transmission board and the fixed connection of mould total mounting panel top in connecting rod on the power transmission board, the connecting rod down passes from last the mould total mounting panel is connected to on the thimble locating plate, the power transmission board can pass through the connecting rod drives the thimble locating plate and the thimble reciprocates.

According to the technical scheme, compared with the prior art, the invention has the beneficial technical effects that:

1. because the thimble locating plate sets up by whole in the space that guiding mechanism circled, like this guiding mechanism can provide the direction for the thimble locating plate from a plurality of position, and because the expansion end of slider slides and sets up in the guide way, the link fixed connection of slider is in on the thimble locating plate, like this under the guide way with slider synergism makes the thimble locating plate slide the in-process from top to bottom more steady, thereby also make the thimble advance the in-process that pushes away the work piece, still be difficult to the card stagnation at the in-process that backs to reset.

2. Because the power transmission plate can drive the thimble positioning plate and the thimble to move up and down through the connecting rod, the thimble fixed on the thimble positioning plate can advance synchronously and retreat synchronously, and only the power transmission plate needs to be provided with a driving device in a unified way, thereby being beneficial to simplifying the structure of the casting mould and reducing the manufacturing cost.

The further technical scheme can also be that a pair of auxiliary guide blocks arranged at intervals are arranged in the guide groove, and the sliding block is arranged between the pair of auxiliary guide blocks in a sliding manner. The auxiliary guide block is a component which is arranged separately from the guide groove, can be made of wear-resistant materials, and can be replaced independently when being worn.

The technical scheme can be further characterized in that the thimble positioning plate comprises an upper plate body and a lower plate body, and the thimble is arranged on the lower plate body; the connecting rod is fixedly connected to the upper plate body.

Further technical scheme can also be, the slider is the U-shaped, including left and right side slide and connection that left and right branch put top slide between the left and right side slide, be provided with the connecting hole on the top slide be provided with down dodge on the plate body a pair of groove of dodging that left and right side slide set up it is a pair of to be provided with on the upper plate body dodge the sunken chamber that the groove was arranged, the link of slider sinks into sunken intracavity and its left and right side slide is pegged graft respectively dodge on the groove, fastening bolt passes in proper order sunken chamber, connecting hole locking are in on the plate body down. According to the technical scheme, the U-shaped sliding block has the characteristics of light weight and good structural strength, and can strengthen the connection relation with the lower plate body by means of the structure of the avoidance groove on the lower plate body.

The further technical scheme can also be that the device further comprises a driving device, and the driving device is used for driving the power transmission plate to move up and down.

The present invention, having the above-described features and advantages, can be applied to a casting mold having an ejector pin driving mechanism.

Drawings

FIG. 1 is a schematic structural view of a casting mold with an ejector pin driving mechanism according to the present invention;

fig. 2 is a schematic perspective view of the guide mechanism 4;

fig. 3 is a schematic perspective view of the slider 42;

fig. 4 is a schematic perspective view of the thimble positioning plate 5.

Detailed Description

The structure of the casting mold with the ejector pin driving mechanism to which the technical scheme of the invention is applied is further described with reference to the accompanying drawings.

As shown in fig. 1, a casting mold 100 with an ejector pin driving mechanism includes a molding module 1 for enclosing a workpiece casting cavity, a mold assembly mounting plate 2, and a molding module connecting plate 3 disposed below the mold assembly mounting plate 2, wherein the mold assembly mounting plate 2 is used for being mounted on a casting machine, and the molding module 1 is fixedly connected below the molding module connecting plate 3. Mould total mounting panel 2 with be provided with a pair of left and right sides branch guiding mechanism 4 of putting and can set up with sliding from top to bottom between the molding module connecting plate 3 thimble locating plate 5 on the guiding mechanism 4, thimble locating plate 5 sets up by whole in the space that guiding mechanism 4 circled set up a pair of thimble 6 on the thimble locating plate 5, thimble 6 is used for passing molding module connecting plate 3 the top of molding module 1 pushes away the work piece breaks away from molding module 1. In other embodiments, three, four or more of the guide mechanisms 4 may be provided. Still including arranging power transmission plate 7 and the fixed connection of 2 tops on the mould total mounting panel in connecting rod 8 on the power transmission plate 7, connecting rod 8 down passes from last the mould total mounting panel 2 is connected to on the thimble locating plate 5, power transmission plate 7 can pass through connecting rod 8 drives thimble locating plate 5 and thimble 6 reciprocates. The device further comprises a driving device (not shown in the figure), the driving device is used for driving the power transmission plate 7 to move up and down, and the driving device can be a driving oil cylinder.

As shown in fig. 2, the guiding mechanism 4 includes an i-shaped guiding seat 41 and a sliding block 42, the guiding seat 41 is fixedly connected between the die assembly mounting plate 2 and the molding module connecting plate 3, a guiding groove 45 extending in the vertical direction is provided on the guiding seat 41, a movable end 42a of the sliding block 42 is slidably disposed in the guiding groove 45, and a connecting end 42b of the sliding block 42 is fixedly connected to the thimble positioning plate 5. Further, a pair of auxiliary guide blocks arranged at intervals, namely a first auxiliary guide block 43 and a second auxiliary guide block 44, are further arranged in the guide groove 45, and the first auxiliary guide block 43 and the second auxiliary guide block 44 are locked in the guide groove 45 through bolts. The sliding block 42 is slidably disposed between the first auxiliary guide block 43 and the second auxiliary guide block 44. The first and second

auxiliary guide blocks

43 and 44 are separate members from the guide groove 45, and may be made of a wear-resistant material, and may be separately replaced when worn.

As shown in fig. 3 and 4, the thimble positioning plate 5 further includes an upper plate 51 and a lower plate 52, and the thimble 6 is mounted on the lower plate 52. The connecting rod 8 is fixedly connected to the upper plate body 51. The sliding block 42 is U-shaped and comprises a left sliding plate 421 and a right sliding plate 422 which are arranged on the left and right sides, and a top sliding plate 423 connected between the left sliding plate 421 and the right sliding plate 422, the top sliding plate 423 is provided with a connecting hole 424, a first avoidance groove 521 provided to avoid the left side slide plate 421, and a second avoidance groove 522 provided to avoid the right side slide plate 422 are provided on the lower plate body 52, a concave cavity 510 is disposed on the upper plate 51 corresponding to the first and second avoiding

grooves

521 and 522, the connecting end 42b of the sliding block 42 sinks into the concave cavity 510, the left side sliding plate 421 and the right side sliding plate 422 are respectively inserted into the first avoiding groove 521 and the second avoiding groove 522, and a fastening bolt (not shown in the figure) sequentially penetrates through the concave cavity 510 and the connecting hole 424 to be locked on the mounting through hole 523 of the lower plate body 52. The U-shaped slider 42 has the characteristics of light weight and good structural strength, and can strengthen the connection relation with the lower plate body 52 by means of the structures of the first avoidance groove 521 and the second avoidance groove 522 on the lower plate body 52.

According to the above technical solution, since the thimble positioning plate 5 is disposed in the space defined by all the guide mechanisms 4, the guide mechanisms 4 can guide the thimble positioning plate 5 from a plurality of directions, and since the movable end 42a of the slider 42 is slidably disposed in the guide groove 45, the connecting end 42b of the slider 42 is fixedly connected to the thimble positioning plate 5, so that the thimble positioning plate 5 is more stable in the up-and-down sliding process under the cooperation of the guide groove 45 and the slider 42, and the thimble 6 is not easily stuck in the process of advancing and pushing the workpiece or in the process of retreating and resetting. Secondly, because the power transmission plate 7 can drive the thimble positioning plate 5 and the thimble 6 to move up and down through the connecting rod 8, the thimble 6 fixed on the thimble positioning plate 5 can advance and retreat synchronously, and only a driving device needs to be uniformly configured for the power transmission plate 7, which is beneficial to simplifying the structure of the casting mold 100 and reducing the manufacturing cost.

The operation of the casting mold 100 is described below: after the work piece is manufactured in the work piece casting die cavity, a machine driver on the casting machine table drives the molding module 1, the molding module connecting plate 3, the guide mechanism 4, the ejector pin positioning plate 5, the power transmission plate 7 and the driving device to move upwards to enable the work piece casting die cavity to be in an open state, and the work piece is adsorbed on the molding module 1. The driving device drives the thimble positioning plate 5 and the thimble 6 to move downwards through the power transmission plate 7 and the connecting rod 8, and the thimble 6 moving downwards pushes the workpiece to separate from the modeling module 1. Then, the driving device drives the thimble positioning plate 5 and the thimble 6 to move upwards and reset through the power transmission plate 7 and the connecting rod 8.

Claims

1. The casting mould with the ejector pin driving mechanism comprises a molding module for enclosing a workpiece casting cavity, a mould assembly mounting plate and a molding module connecting plate arranged below the mould assembly mounting plate, wherein the mould assembly mounting plate is used for being mounted on a casting machine table, and the molding module is fixedly connected below the molding module connecting plate; the mould assembly is characterized in that at least one pair of guide mechanisms which are arranged left and right respectively and an ejector pin positioning plate which is arranged on the guide mechanisms in a vertically sliding manner are arranged between the mould assembly mounting plate and the moulding module connecting plate, the ejector pin positioning plate is arranged in a space defined by all the guide mechanisms, an ejector pin is arranged on the ejector pin positioning plate, and the ejector pin is used for penetrating through the moulding module connecting plate and pushing the workpiece to be separated from the moulding module by the moulding module; the guide mechanism comprises a guide seat and a sliding block, the guide seat is fixedly connected between the die assembly mounting plate and the molding module connecting plate, a guide groove extending in the vertical direction is formed in the guide seat, the movable end of the sliding block is slidably arranged in the guide groove, and the connecting end of the sliding block is fixedly connected to the thimble positioning plate; still including arranging the power transmission board and the fixed connection of mould total mounting panel top in connecting rod on the power transmission board, the connecting rod down passes from last the mould total mounting panel is connected to on the thimble locating plate, the power transmission board can pass through the connecting rod drives the thimble locating plate and the thimble reciprocates.

2. The casting mold with the ejector pin driving mechanism according to claim 1, wherein a pair of auxiliary guide blocks are disposed in the guide groove at intervals, and the slide block is slidably disposed between the pair of auxiliary guide blocks.

3. The casting mold with the ejector pin driving mechanism according to claim 1, wherein the ejector pin positioning plate includes an upper plate body and a lower plate body, and the ejector pin is mounted on the lower plate body; the connecting rod is fixedly connected to the upper plate body.

4. The casting mold with the ejector pin driving mechanism according to claim 3, wherein the slider is U-shaped and comprises left and right side sliding plates which are arranged in a left-right direction and a top sliding plate connected between the left and right side sliding plates, the top sliding plate is provided with a connecting hole, the lower plate body is provided with a pair of avoiding grooves for avoiding the left and right side sliding plates, the upper plate body is provided with a pair of concave cavities for arranging the avoiding grooves, the connecting end of the slider sinks into the concave cavities and the left and right side sliding plates are respectively inserted into the avoiding grooves, and fastening bolts sequentially pass through the concave cavities and the connecting hole and are locked on the lower plate body.

5. The casting mold with the ejector pin driving mechanism according to any one of claims 1 to 4, further comprising a driving device for driving the power transmission plate to move up and down.