CN211218627U

CN211218627U - New energy automobile control lever die casting die

Info

Publication number: CN211218627U
Application number: CN201922264852.2U
Authority: CN
Inventors: 刘第祥
Original assignee: Suzhou Kadisi Precision Mould Co ltd
Current assignee: Suzhou Kadisi Precision Mould Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-11
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a new energy automobile control rod die-casting die, which comprises a movable external die, a third plate frame die, an ejector plate, a bottom plate, a demoulding mechanism and an ejector mechanism which are arranged in sequence, wherein the third plate frame die is fixedly connected with the bottom plate through a connecting block; the jacking mechanism comprises a sliding block seat, an inclined wedge and a push rod, the sliding block seat is connected in the ejector plate in a sliding mode and is movably connected with the ejector plate through a spring, the inclined wedge is arranged above the sliding block seat, one end of the inclined wedge is fixedly connected with the third plate frame die, the other end of the inclined wedge is movably connected with the sliding block seat through an inclined surface structure, and when the ejector plate does not move, one end of the push rod is located in a three-dimensional groove hole of the sliding block seat; the demoulding mechanism comprises an inner pulling slide way, an inner pulling core and a sliding block, one end of the inner pulling slide way is fixed in the third plate frame mould, and the sliding block is arranged in the movable inner mould. The movable die is divided into two parts, and a time difference is established by combining the exquisite structures of the jacking mechanism and the demoulding mechanism, so that the purpose of demoulding and then ejecting and discharging is realized, the deformation of a casting is effectively prevented, and the flatness of the casting is ensured.

Description

New energy automobile control lever die casting die

Technical Field

The utility model belongs to the technical field of the die casting production, especially, relate to new energy automobile control lever die casting die.

Background

The new energy automobile control lever is long and thin aluminum alloy casting, two side faces are provided with reverse buckles, and the requirement on flatness is high. The casting is cast by adopting a mould with two cavities, which is most economical. Because the outer side and the inner side of the casting are both provided with the back-off, the back-off at the outer side can realize demoulding by adopting an outer side core-pulling mechanism and is limited by the mould space, and the back-off at the inner side can only realize demoulding by adopting an inclined top demoulding mechanism.

The inclined ejector with the molding characteristic is hinged on the ejector plate, after the mold is opened, the ejector plate drives the inclined ejector and the ejector pin to move simultaneously, and the ejector pin ejects a casting outwards while the inclined ejector is demolding. Because the aluminum alloy casting is thin and has higher flatness requirement, the product can be seriously deformed by adopting a common inclined top demoulding mechanism, and the requirements of customers cannot be met

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a new energy automobile control lever die casting die, it can make the thimble ejecting again with the foundry goods after the inboard back-off drawing of patterns to overcome prior art's not enough.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

the die-casting die for the control rod of the new energy automobile comprises a movable outer die, a third plate frame die, an ejector pin plate, a bottom plate, a demoulding mechanism and an ejector mechanism which are sequentially arranged, wherein a movable inner die is arranged in the movable outer die, a cavity is arranged in the movable inner die, and the third plate frame die is fixedly connected with the bottom plate through a connecting block and movably connected with the movable outer die through a guide pillar; the jacking mechanism comprises a sliding block seat, an inclined wedge and a push rod, the sliding block seat is connected in the push rod plate in a sliding mode and is movably connected with the push rod plate through a spring, the inclined wedge is arranged above the sliding block seat, one end of the inclined wedge is fixedly connected with the third plate frame die, the other end of the inclined wedge is movably connected with the sliding block seat through an inclined surface structure, a groove hole is formed in the sliding block seat, when the push rod plate does not move, one end of the push rod is located in the groove hole, and the other end of the push rod is movably installed in the third plate frame die; the demoulding mechanism comprises an inner pulling slide way, an inner pulling core and a slide block, one end of the inner pulling slide way is fixed in the third plate frame die, the other end of the inner pulling slide way is movably inserted in the movable inner die, the slide block is installed in the movable inner die and is connected to an inclined slide way on the side face of the inner pulling slide way in a sliding mode, and the inner pulling core is fixedly connected with the slide block.

In the technical scheme, when the ejector plate is pushed out after the die is opened, the ejector rod drives parts beside the third plate frame die to move, the internal pulling slide way is fixedly connected with the third plate frame die, relative sliding is generated between the internal pulling slide way and the sliding block, and internal pulling completes demoulding at the back-off position; the ejector pin plate is continuously pushed out, the inclined wedge pushes the slider seat to one side, the slotted hole comes to the lower part of the ejector pin, the ejector pin falls into the slotted hole, a spring arranged between the movable outer die and the third plate frame die enables parts beside the third plate frame die except the slider and the inner loose core to reset, the ejector pin arranged in the ejector pin plate is contacted with the casting again, and the casting is ejected outwards by the ejector pin along with the continuous pushing of the ejector pin plate, so that the ejection of the casting is completed.

Compared with the prior art, the beneficial effects of the utility model are that: the movable die is divided into two parts, and a time difference is established by combining the exquisite structures of the jacking mechanism and the demoulding mechanism, so that the purpose of demoulding and then ejecting and discharging is realized, the deformation of a casting is effectively prevented, and the flatness of the casting is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a perspective view of a new energy automobile control rod die-casting die;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a structural view of the ejector mechanism and the jacking mechanism.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Examples

Please refer to fig. 1, which illustrates a die-casting mold for a new energy automobile control lever, comprising two casting cavities, wherein an oil cylinder 10 for completing outside back-off core pulling is arranged outside the mold corresponding to each cavity. The movable die comprises a movable outer die 20, a third plate frame die 30, an ejector plate 40, a bottom plate 50, two groups of demoulding mechanisms and an ejector mechanism which are sequentially arranged, wherein a movable inner die 60 is arranged in the movable outer die 20, a cavity is arranged in the movable inner die 60, the third plate frame die 30 is fixedly connected with the bottom plate 50 through a connecting block 100 and is movably connected with the movable outer die 20 through a guide pillar; the guide plate is fixedly arranged on the outer side of the third plate frame die 30, and the guide groove for inserting the guide plate is arranged on the outer side of the movable outer die 20. Referring to fig. 2 and 3, the jacking mechanism comprises a slider seat 71, an inclined wedge 72 and a jacking rod 73, the slider seat 71 is slidably connected in the jacking plate 40 and movably connected with the jacking plate 40 through a spring 74, a spring fixing block 75 is arranged in the jacking plate 40, and the end of the spring is fixed in the spring fixing block. The inclined wedge 72 is arranged above the slider seat 71, one end of the inclined wedge is fixedly connected with the third plate frame die 30, the other end of the inclined wedge is movably connected with the slider seat 71 through an inclined surface structure, a slotted hole 76 is formed in the slider seat 71, when the ejector plate 40 does not move, one end of the ejector rod 73 is located in the slotted hole, and the other end of the ejector rod 73 is movably arranged in the third plate frame die 30. The demoulding mechanism comprises an inner drawing slideway 81, an inner drawing core 82 and a sliding block 83, one end of the inner drawing slideway 81 is fixed in the third plate frame die 30, the other end of the inner drawing slideway 81 is movably inserted in the movable inner die 60, the sliding block is installed in the movable inner die 60 and is connected to a side inclined slideway of the inner drawing slideway 81 in a sliding mode, and the inner drawing core 82 is connected with the sliding block by adopting a T-shaped structure or a dovetail structure.

The action flow of the die comprises the following steps:

1. when the ejector plate 40 is pushed out after the mold is opened, the ejector rod 73 drives parts beside the third plate frame mold 30 to move, the internal drawing slideway 81 is fixedly connected with the third plate frame mold 30, relative sliding is generated between the internal drawing slideway 81 and the sliding block, and the internal drawing core 82 finishes demolding at a back-off position;

2. the ejector plate 40 is continuously pushed out, the inclined wedges 72 push the slider seats 71 to one side, the slotted holes come to be below the ejector rods 73, the ejector rods 73 fall into the slotted holes, and the springs arranged between the movable outer die 20 and the third plate frame die 30 enable parts beside the third plate frame die 30 except the sliders and the inner loose cores 82 to be reset;

3. the ejector pins arranged in the ejector pin plate 40 are contacted with the casting again, and the ejector pins eject the casting outwards along with the continuous pushing of the ejector pin plate 40, so that the ejection of the casting is completed.

In the second step, since the slide block and the inner core 82 are in a relative sliding relationship in the movable inner mold 60 and a spring is provided therebetween, the slide block and the inner core 82 do not return when the movable inner mold 60 returns.

A guide sleeve 85 for guiding the inner drawing slideway 81 in the movable inner die 60. The material of uide bushing should adopt wear-resisting material.

One end of the inclined wedge 72 corresponding to the slider seat 71 is provided with an extension section 77, and the extension section and the slider seat 71 are movably connected by a straight guide structure 78. The slanting wedge 72 and the slider seat 71 are guided by a straight surface before the slanting wedge 72 and the slanting surface of the slider seat 71 are brought into contact with each other.

To sum up, the beneficial effects of the utility model are that, 2 times are ejecting when the mould die sinking is ejecting, earlier the ejecting slider of secondary directly withstands ejector pin 73 and drives all spare parts of mould movable mould and take out the slider utilization in together and take out oblique slider and deviate from when mould thimble board 40 begins to act, accomplish the completion of loosing core of product back-off, mould thimble board 40 continues to advance again the opposite oblique wedge of the ejecting slider of secondary drives the spring and accomplishes ejector pin 73 and fall into secondary ejecting slider hole the inside, realize continuing to use the ejecting product of the original thimble of mould, accomplish the basic action of mould.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The die-casting die for the control rod of the new energy automobile is characterized by comprising a movable outer die, a third plate frame die, an ejector plate, a bottom plate, a demolding mechanism and a jacking mechanism which are sequentially arranged, wherein the movable outer die is internally provided with a movable inner die, a cavity is arranged in the movable inner die, and the third plate frame die is fixedly connected with the bottom plate through a connecting block and movably connected with the movable outer die through a guide pillar; the jacking mechanism comprises a sliding block seat, an inclined wedge and a push rod, the sliding block seat is connected in the push rod plate in a sliding mode and is movably connected with the push rod plate through a spring, the inclined wedge is arranged above the sliding block seat, one end of the inclined wedge is fixedly connected with the third plate frame die, the other end of the inclined wedge is movably connected with the sliding block seat through an inclined surface structure, a groove hole is formed in the sliding block seat, when the push rod plate does not move, one end of the push rod is located in the groove hole, and the other end of the push rod is movably installed in the third plate frame die; the demoulding mechanism comprises an inner pulling slide way, an inner pulling core and a slide block, one end of the inner pulling slide way is fixed in the third plate frame die, the other end of the inner pulling slide way is movably inserted in the movable inner die, the slide block is installed in the movable inner die and is connected to an inclined slide way on the side face of the inner pulling slide way in a sliding mode, and the inner pulling core is fixedly connected with the slide block.

2. The die-casting die for the control rod of the new energy automobile is characterized in that a guide sleeve is arranged in the movable inner die, and the inner drawing slide passes through the guide sleeve.

3. The die-casting die for the new energy automobile control rod is characterized in that the inner loose core is connected with the sliding block through a T-shaped structure or a dovetail structure.

4. The die-casting die for the control rod of the new energy automobile as claimed in claim 1, wherein a spring fixing block is arranged in the ejector plate, and an end portion of the spring is fixed in the spring fixing block.

5. The die-casting die for the control rod of the new energy automobile as claimed in claim 1, wherein an extension section is arranged at one end of the inclined wedge corresponding to the sliding block seat, and the extension section is movably connected with the sliding block seat through a straight surface guide structure.

6. The die-casting die for the control rod of the new energy automobile is characterized in that a guide plate is fixedly arranged on the outer side of the third plate frame die, and a guide groove is formed in the outer side of the movable outer die.