CN111483123A

CN111483123A - Secondary ejection die structure for anti-sticking product

Info

Publication number: CN111483123A
Application number: CN202010448913.5A
Authority: CN
Inventors: 李�杰; 吴立群
Original assignee: TAIDEXING PRECISION ELECTRONIC (KUNSHAN) CO Ltd
Current assignee: TAIDEXING PRECISION ELECTRONIC (KUNSHAN) CO Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-08-04

Abstract

The invention discloses an anti-sticking product secondary ejection die structure which comprises a lower die core embedded in a lower die plate, an ejector plate arranged below the lower die plate, a bottom plate arranged at the bottom of the ejector plate, a plurality of ejector pins and a plurality of ejector sleeves, wherein the ejector pins and the ejector sleeves are arranged on the ejector plate and extend to the surface through the lower die core; and in the die opening state, the product on the surface of the lower die core is adsorbed by a manipulator, the inner needle, the ejector pin and the inclined rod balance the ejection of the product in advance, the ejector sleeve top is lifted above the surface of the inner needle to eject the product for the second time, and the surfaces of the inner needle and the ejector pin are both provided with grid back-off structures. The invention realizes the balanced ejection of the product back-off structure, ensures the precision and stabilizes the die sinking.

Description

Secondary ejection die structure for anti-sticking product

Technical Field

The invention belongs to the technical field of molds, and particularly relates to a secondary ejection mold structure for an anti-sticking product.

Background

To the antiseized product of mirror surface, because the particularity of its structure, the product has the back-off structure, and oblique fore-set accessible withdraws from the side direction die sinking in the position of keeping away the sky, and the product easily follows oblique fore-set direction and removes, causes product surface damage, can't guarantee the shaping quality of product.

Disclosure of Invention

The invention aims to solve the technical problems and provides an anti-sticking product secondary ejection die structure, so that the product back-off structure is ejected in a balanced manner, the precision is ensured, and the die opening is stable. In order to achieve the purpose, the technical scheme of the invention is as follows:

the anti-sticking product secondary ejection die structure comprises a lower die core embedded in a lower die plate, an ejector plate arranged below the lower die plate, a bottom plate arranged at the bottom of the ejector plate, a plurality of thimbles and a plurality of ejector sleeves which are arranged on the ejector plate and extend to the surface through the lower die core, an inclined rod arranged on the ejector plate and extend to the surface through the lower die core, and an inner needle arranged on the bottom plate and extend through the ejector sleeves; and in the die opening state, the product on the surface of the lower die core is adsorbed by a manipulator, the inner needle, the ejector pin and the inclined rod balance the ejection of the product in advance, the ejector sleeve top is lifted above the surface of the inner needle to eject the product for the second time, and the surfaces of the inner needle and the ejector pin are both provided with grid back-off structures.

Specifically, the inclined rod extends to the surface of the lower die core, and a cavity of a product is formed between the lower die core and the upper die core; and an inclined ejecting block is arranged on the outer side of the inclined rod, and a cavity of a product is formed between the inclined ejecting block and the inclined rod.

Specifically, the ejector plate is embedded with a moving block, a plurality of ejector sleeves are fixedly arranged in the moving block, and inner needles in the ejector sleeves penetrate through the ejector plate and are connected to the bottom plate.

Specifically, still be equipped with the connecting plate that is located the movable block bottom in the thimble board, connecting plate and thimble board fixed connection are equipped with the fastener of connecting the movable block in the connecting plate and locate the outside first elastic component of fastener with the cover.

Specifically, the two sides of the moving block are symmetrically provided with moving blocks embedded in the ejector retainer plate, the moving blocks are abutted to the moving block, and second elastic pieces abutted to the side edges of the connecting plates are arranged in the moving block.

Specifically, the bottom of the lower template is symmetrically provided with shovel bases.

Specifically, be equipped with the locating part in the outside of spacing movable block in the thimble board, the surface of thimble board is equipped with the open slot that exposes locating part and movable block side.

Specifically, the shovel base is arranged corresponding to the open slot, and the shovel base is in compression joint with the side edge of the movable block correspondingly.

Specifically, the grid back-off structure is a plurality of criss-cross grooves which are in a grid shape.

Specifically, the inclined rod is located on the side edge of the lower die core, the thimbles are symmetrically located at two ends of the lower die core, and the ejector sleeves are arranged in a square matrix manner and located in the area, far away from the inclined rod, of the lower die core

Compared with the prior art, the anti-sticking product secondary ejection die structure has the following beneficial effects:

the inner needle, the thimble and the inclined rod are used for ejecting once, so that the product is in a balanced state, the ejection is stable, and the traditional exiting mode of completely avoiding space is avoided; the grid back-off structure at the top of the inner needle and the thimble effectively grasps and stabilizes the product and avoids the movement and dislocation of the die sinking product; the shovel base pushes down and acts on the moving block, secondary ejection of the ejector sleeve is higher than that of the inner needle, complete stripping is achieved, the overall structure is accurate in positioning, die sinking forming is complete, and the problem of pull injury is avoided.

Drawings

FIG. 1 is a schematic sectional front view of an embodiment of the present invention;

FIG. 2 is a partially enlarged view of FIG. 1 at another angle in accordance with the present embodiment;

FIG. 3 is a schematic view of the surface structure of the lower mold core in this embodiment;

the figures in the drawings represent:

1 lower template, 11 lower die core, 12 ejector pin plate, 13 bottom plate, 2 ejector pins, 3 ejector sleeves, 31 inner pins, 4 diagonal rods, 41 diagonal ejector blocks, 5 grid back-off structures, 6 moving blocks, 61 connecting plates, 62 fasteners, 63 first elastic parts, 7 moving blocks, 71 second elastic parts, 72 shovel bases, 73 limiting parts, 74 open slots and 8 diagonal rod fixing seats.

Detailed Description

The technical solutions in the embodiments of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

Example (b):

referring to fig. 1-3, the present embodiment is an anti-sticking product secondary ejection mold structure, which includes a lower mold core 11 embedded in a lower mold plate 1, an ejector plate 12 disposed below the lower mold plate 1, a bottom plate 13 disposed at the bottom of the ejector plate 12, a plurality of ejector pins 2 and a plurality of ejector sleeves 3 disposed on the ejector plate 12 and extending to the surface through the lower mold core 11, an inclined rod 4 disposed on the ejector plate 12 and extending to the surface through the lower mold core 11, and an inner needle 31 disposed on the bottom plate 13 and extending through the ejector sleeves 3; when the mold is opened, a product in the lower mold core 11 is adsorbed by a manipulator (not shown in the figure), the inner needle 31, the ejector pin 2 and the inclined rod 4 balance and eject the product in advance, the ejector sleeve 3 is ejected to be lifted above the surface of the inner needle 31 for secondary ejection of the product, and the surfaces of the inner needle 31 and the ejector pin 2 are both provided with the grid back-off structure 5.

The inclined rod 4 extends to the surface of the lower mold core 11, and a product cavity is formed between the lower mold core 11 and an upper mold core (not shown in the figure). The outer side of the inclined rod 4 is provided with an inclined ejecting block 41, and a cavity of a product is formed between the inclined ejecting block 41 and the inclined rod 4.

A moving block 6 is embedded in the ejector plate 12, a plurality of ejector sleeves 3 are fixedly arranged in the moving block 6, and inner needles 31 in the ejector sleeves 3 penetrate through the ejector plate 12 and are connected to the bottom plate 13.

A connecting plate 61 positioned at the bottom of the moving block 6 is also arranged in the ejector plate 12, and the connecting plate 61 is fixedly connected with the ejector plate 12. The connecting plate 61 is provided with a fastening piece 62 for connecting the moving block 6 and a first elastic piece 63 sleeved outside the fastening piece 62.

The two sides of the moving block 6 are symmetrically provided with movable blocks 7 embedded in the ejector retainer plate 12, the movable blocks 7 are abutted against the moving block 6, and the moving block 6 is internally provided with second elastic pieces 71 abutted against the side edges of the connecting plate 61.

Shovel bases 72 are symmetrically arranged at the bottom of the lower template 1.

A limiting part 73 for limiting the outer side of the movable block 7 is arranged in the ejector plate 12, an open slot 74 for exposing the limiting part 73 and the side edge of the movable block 7 is arranged on the surface of the ejector plate 12, and the shovel base 72 is arranged corresponding to the open slot 74. The shovel base 72 is in corresponding pressure joint with the side edge of the movable block 7. In this embodiment, the fastening member 62 and the limiting member 73 are screws.

The ejector plate 12 is provided with an inclined rod fixing seat 8, and the top of the inclined rod fixing seat 8 is provided with a sliding groove (not shown in the figure) which is correspondingly matched and slides with the bottom of the inclined rod 4.

The grid back-off structure 5 is a plurality of criss-cross grooves which are in a grid shape. In this embodiment, the surfaces of the thimble 2 and the inner needle 31 are cross-shaped grooves, so that the product is effectively positioned and gripped, and stable balance is achieved in one-time ejection process.

The inclined rods 4 are positioned on the side edges of the lower die core 11, the thimbles 2 are symmetrically positioned at two ends of the lower die core 11, and the ejector cylinders 3 are arranged in a square matrix manner and positioned in the area of the lower die core 11 far away from the inclined rods 4.

When the embodiment is applied, the lower template 1 is opened, the product on the surface of the lower die core 11 is adsorbed by the manipulator, the manipulator has an adsorption function, the inclined ejector block 41 is withdrawn, the ejector plate 12 is ejected, the inner needle 31, the ejector pin 2 and the inclined rod 4 are used for ejecting the product in a balanced manner, and one-time ejection and stripping of the product are realized; the shovel base 72 aligns with the open slot 74, the shovel base 72 pushes the movable block 7 to retract, the movable block 6 moves upwards under the pressure of the movable blocks 7 on the two sides, the ejector sleeve 3 rises relative to the inner needle 31 and is higher than the surface of the inner needle 31 to eject a product, and secondary ejection and stripping of the product are achieved.

In the embodiment, the inner needle 31, the ejector pin 2 and the inclined rod 4 are used for ejecting once, so that the product is in a balanced state, the ejection is stable, and the traditional exiting mode of completely avoiding space is avoided; the grid back-off structure 5 at the top of the inner needle 31 and the top of the thimble 2 effectively grasps and stabilizes the product and avoids the movement and dislocation of the die sinking product; shovel base 72 pushes down and acts on movable block 6, realizes that department section of thick bamboo 3 secondary is ejecting to be higher than interior needle 31, then takes off the material completely, and overall structure fixes a position accurately, and the die sinking shaping is complete, does not have the strain problem.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. Antiseized product secondary ejection mould structure, its characterized in that: the ejector pin plate is arranged on the ejector plate and penetrates through the lower mold core to extend to the surface of the ejector pin plate; and in the die opening state, the product on the surface of the lower die core is adsorbed by a manipulator, the inner needle, the ejector pin and the inclined rod balance the ejection of the product in advance, the ejector sleeve top is lifted above the surface of the inner needle to eject the product for the second time, and the surfaces of the inner needle and the ejector pin are both provided with grid back-off structures.

2. The release product secondary ejection mold structure of claim 1, wherein: the inclined rod extends to the surface of the lower die core, and a cavity of a product is formed between the lower die core and the upper die core; and an inclined ejecting block is arranged on the outer side of the inclined rod, and a cavity of a product is formed between the inclined ejecting block and the inclined rod.

3. The release product secondary ejection mold structure of claim 1, wherein: the ejector plate is embedded with a moving block, a plurality of ejector sleeves are fixedly arranged in the moving block, and inner needles in the ejector sleeves penetrate through the ejector plate and are connected to the bottom plate.

4. The release product secondary ejection mold structure of claim 3, wherein: the ejector retainer plate is internally provided with a connecting plate positioned at the bottom of the moving block, the connecting plate is fixedly connected with the ejector retainer plate, and the connecting plate is internally provided with a fastener for connecting the moving block and a first elastic piece sleeved outside the fastener.

5. The release product secondary ejection mold structure of claim 4, wherein: the two sides of the moving block are symmetrically provided with moving blocks embedded in the ejector retainer plate, the moving blocks are abutted to the moving block, and second elastic pieces abutted to the side edges of the connecting plates are arranged in the moving block.

6. The release product secondary ejection mold structure of claim 5, wherein: the bottom of the lower template is symmetrically provided with shovel bases.

7. The release product secondary ejection mold structure of claim 6, wherein: the ejector plate is internally provided with a limiting part for limiting the outer side of the movable block, and the surface of the ejector plate is provided with an open slot for exposing the limiting part and the side edge of the movable block.

8. The release product secondary ejection mold structure of claim 7, wherein: the shovel base is arranged corresponding to the open slot, and the shovel base is in compression joint with the side edge of the movable block correspondingly.

9. The release product secondary ejection mold structure of claim 1, wherein: the grid back-off structure is a plurality of criss-cross grooves which are in a grid shape.

10. The release product secondary ejection mold structure of claim 1, wherein: the ejector sleeves are arranged in a square matrix manner and are positioned in the area of the lower mold core far away from the inclined rods.