CN212072815U

CN212072815U - Die for cutting water gap in die

Info

Publication number: CN212072815U
Application number: CN202020368685.6U
Authority: CN
Inventors: 姚元强
Original assignee: Kunshan Ruimingxing Precision Mould Co ltd
Current assignee: Kunshan Ruimingxing Precision Mould Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-04
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses an in-mold water gap cutting die, which comprises a shell, wherein a male die plate is arranged in the shell, a male die core is arranged on the male die plate, a water gap is arranged at the top of the male die core, a cutter is arranged below the water gap, a cutter holder is fixed at the bottom of the cutter by screws, a stroke is arranged between the cutter holder and the inner wall of the shell, a cutter push plate is fixed below the cutter holder by welding, two groups of inner grooves are arranged in the cutter push plate, a group of reset rods are respectively arranged in the two groups of inner grooves, a group of return springs are respectively arranged at the tops of the two groups of reset rods, an oil circuit is arranged at the left side of the male die core, a micro cylinder is fixedly connected at the right side of the oil circuit, and the micro cylinder is fixedly connected with the cutter push plate by a connecting pipe, the high fraction, and simultaneously, the cutting effect is also improved.

Description

Die for cutting water gap in die

Technical Field

The utility model relates to a mould processing technology field specifically is an interior cut mouth of a river mould of mould.

Background

Most of the existing plastics are formed by injection molding, in the injection molding process, a glue inlet needs to be formed in a mold, the glue inlet is communicated with a mold cavity and is used for injecting molten plastic materials into the mold cavity, the molten plastic materials enter the mold cavity to form a product, a port for entering the corresponding molten plastic materials on the product is a water port, in order to ensure the injection molding efficiency and save the production cost, a plurality of mold cavities are generally designed on the injection mold, a plurality of glue inlets are adopted, so that a water port is formed in the injection molded plastic part of the injection molded product after injection molding, after the product is molded, the product needs to be taken out by opening the mold first, the product is connected with the water port at the moment, then the product and the water port are fixed on a special jig for cutting off a material head, the above operation steps need to be completed manually, because of manual operation, differences exist among individuals, defective products can appear in a certain proportion, therefore prior art takes a lot of trouble and labor, and is inefficient, needs purchase dedicated cutting equipment alone simultaneously again, has improved the cost, and the return mechanism of cutter adopts single group spring mostly, and the effect that resets is not good, when cutting next time, will lead to the stroke not enough to cutting effect has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an in-mould cutting mouth of a river mould, when the pressurize is moulded plastics to the product, provide power through miniature jar and promote the cutter and remove in the stroke, thereby realize the automatic displacement of cutter, and then reach the purpose at the automatic cutout mouth of a river, it cuts to need not the manual work again in follow-up processing procedure, the defective rate that the manual work caused has been reduced, need not to purchase dedicated cutting jig again simultaneously, the cost is saved, and through setting up two sets of return springs, the elasticity that utilizes two sets of springs increases the dynamics of reseing, thereby the not enough risk of stroke has been reduced, and then the effect of cutting has been improved, with the problem of proposition in solving above-mentioned background art.

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

an in-mold water gap cutting mold comprises a shell, wherein a male mold plate is arranged in the shell, a male mold core is arranged on the male mold plate, a water gap is arranged at the top of the male die core, a cutter is arranged below the water gap, a cutter seat is fixed at the bottom of the cutter through a screw, a stroke is arranged between the cutter seat and the inner wall of the shell, a cutter push plate is fixed below the cutter seat through welding, two groups of inner grooves are formed in the cutter push plate, a group of reset rods are arranged in the two groups of inner grooves respectively, a group of return springs are arranged at the tops of the two groups of reset rods respectively, the other end of the return spring is abutted against the inner wall of the top of the stroke, the left side of the male die core is provided with an oil way, the oil circuit is located inside the male template, the right side of the oil circuit is fixedly connected with a micro cylinder, and the micro cylinder is located below the cutter push plate and is fixedly connected with the cutter push plate through a connecting pipe.

Preferably, a joint seat is arranged on the left side of the male template, and the other end of the joint seat penetrates through the outer part of the shell.

Preferably, a joint seat sealing ring is arranged outside the joint seat.

Preferably, the bottom of the shell is sleeved with a buffer seat.

Preferably, a group of bottom cushions are respectively arranged at four corners of the lower surface of the buffer seat.

Preferably, the other end of the oil way is fixedly connected to external oil supply equipment.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the product is subjected to injection molding and pressure maintaining, the micro cylinder provides power to push the cutter to move in a stroke, so that the cutter is automatically displaced, the purpose of automatically cutting off a water gap is further achieved, manual cutting in subsequent processes is not needed, the reject ratio caused by manual cutting is reduced, a special cutting jig is not needed to be purchased, and the cost is saved;

2. through setting up two sets of return springs, utilize the elasticity of two sets of springs to increase the dynamics of reseing to reduced the not enough risk of stroke, and then improved the effect of cutting.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of the circle a in fig. 2 of the present invention.

In the figure: 1. a housing; 2. a water gap; 3. a cutter; 4. a return spring; 5. a cutter seat; 6. a cutter push plate; 7. a mini-cylinder; 8. an oil path; 9. a joint base; 10. a stroke; 11. a male template; 12. a core insert; 13. a buffer seat; 14. a bottom pad; 15. a joint seat seal ring; 16. an inner tank; 17. a reset rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a cut mouth of a river mould in mould, which comprises an outer shell 1, be provided with core plate 11 in the shell 1, be provided with core insert 12 on the core plate 11, core insert 12 top is provided with the mouth of a

river

2, 2 below in the mouth of a river are provided with

cutter

3, 3 bottoms of cutter have cutter seat 5 through the fix with screw, be provided with stroke 10 between cutter seat 5 and the 1 inner wall of shell, cutter seat 5 below is fixed with cutter push pedal 6 through the welding, 11 left sides of core plate are provided with joint seat 9, the joint seat 9 other end runs through to 1 outside of shell, be used for the mould to be connected with external equipment, 9 outsides of joint seat are provided with joint seat sealing washer 15, can prevent the device when being connected with external equipment, the condition that rocks appears.

Two sets of inside grooves 16 are opened in the cutter push pedal 6, be provided with a set of release link 17 in two sets of inside grooves 16 respectively, two sets of release link 17 tops are provided with a set of return spring 4 respectively, the return spring 4 other end supports and ends on the inner wall of stroke 10 top, male mold benevolence 12 left side is provided with oil circuit 8, oil circuit 8 is located inside male mold board 11, oil circuit 8 right side fixedly connected with

miniature jar

7, 8 other end fixed connection of oil circuit is on external fuel feeding equipment, miniature jar 7 is located cutter push pedal 6 below, and through connecting pipe and cutter push pedal 6 fixed connection, the cover is equipped with cushion socket 13

bottom shell

1, 13 lower surface four corners of cushion socket are provided with a set of heelpiece 14 respectively, make things convenient for the more.

The working principle is as follows:

firstly, the micro cylinder 7 is started, kinetic energy is provided through the micro cylinder 7, the cutter push plate 6 is pushed upwards, and the cutter seat 5 is driven upwards, so that the cutter 3 is upward and reaches the height of the water gap 2, the water gap 2 is cut according to the actual requirement, thereby realizing the purpose of automatically cutting the water gap 2 without manual cutting in the subsequent process, reducing the reject ratio caused by manual cutting, meanwhile, the cost waste caused by purchasing a special cutting jig is avoided, meanwhile, two groups of reset rods 17 in the cutter push plate 6 can continuously abut against one group of corresponding return springs 4 and provide upward pressure for the return springs 4, after the cutting is finished, the micro cylinder 7 drives the reset rod 17 to descend, so that the return spring 4 loses an upward pressure and finally resets, and the cutter seat 5 and the cutter 3 are driven to return.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an in-mold cutting gate mould, includes shell (1), its characterized in that: a male template (11) is arranged in the shell (1), a male template core (12) is arranged on the male template (11), a water gap (2) is arranged at the top of the male template core (12), a cutter (3) is arranged below the water gap (2), a cutter holder (5) is fixed at the bottom of the cutter (3) through a screw, a stroke (10) is arranged between the cutter holder (5) and the inner wall of the shell (1), a cutter push plate (6) is fixed below the cutter holder (5) through welding, two groups of inner grooves (16) are formed in the cutter push plate (6), a group of reset rods (17) are respectively arranged in the two groups of inner grooves (16), a group of return springs (4) are respectively arranged at the tops of the two groups of reset rods (17), the other ends of the return springs (4) abut against the inner wall at the top of the stroke (10), and an oil circuit (8) is arranged on the, the oil circuit (8) is located inside the male template (11), the right side of the oil circuit (8) is fixedly connected with the micro cylinder (7), and the micro cylinder (7) is located below the cutter push plate (6) and is fixedly connected with the cutter push plate (6) through a connecting pipe.

2. The in-mold cutting gate mold according to claim 1, wherein: the left side of the male template (11) is provided with a joint seat (9), and the other end of the joint seat (9) penetrates through the outer part of the shell (1).

3. The in-mold cutting gate mold according to claim 2, wherein: and a joint seat sealing ring (15) is arranged outside the joint seat (9).

4. The in-mold cutting gate mold according to claim 1, wherein: the bottom of the shell (1) is sleeved with a buffer seat (13).

5. The in-mold cutting gate mold according to claim 4, wherein: four corners of the lower surface of the buffer seat (13) are respectively provided with a group of bottom cushions (14).

6. The in-mold cutting gate mold according to claim 1, wherein: and the other end of the oil way (8) is fixedly connected to external oil supply equipment.