CN216804282U

CN216804282U - Overlap joint type side gate cutting system for injection molding product

Info

Publication number: CN216804282U
Application number: CN202123450819.2U
Authority: CN
Inventors: 吴泰溪
Original assignee: Weiying Auto Parts Wuxi Co ltd
Current assignee: Weiying Auto Parts Wuxi Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-24
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a lapping type side sprue cutting system for injection molding products, which comprises: the device comprises a positioning jig, a pressure head assembly and a pouring gate cutter assembly; the positioning jig comprises a bump, and the bump is used for placing a product; the pressure head assembly comprises a rotary cylinder, a pressure head cantilever and a pressure head, the rotary cylinder is fixedly connected with the positioning jig, one end of the pressure head cantilever is fixedly connected with the output end of the rotary cylinder, the other end of the pressure head cantilever is fixedly connected with the pressure head, and the pressure head is used for fixing a product; the pouring gate cutter assembly comprises an air cylinder part and a pouring gate cutter, the air cylinder part is fixedly connected with the positioning jig, and the output end of the air cylinder part is fixedly connected with the pouring gate cutter. The sprue cutting system is independent of an injection molding machine, can quickly cut a sprue, has no sprue residue on the surface of a product, and has high product quality.

Description

Overlap joint type side gate cutting system for injection molding product

Technical Field

The utility model relates to the technical field of sprue cutting, in particular to a lap joint type side sprue cutting system for an injection molding product.

Background

The injection molding product is formed by heating, plasticizing and melting plastic by using an injection molding machine, then injecting the plastic into a cavity of a molding die for molding, cooling and demolding. At present, injection molding products are widely applied to the technical fields of transportation, packaging, post and telecommunications, communication, building and the like, and are very important for the life of people. In order to realize the separation of an injection molding product and a sprue, a special sprue or a manipulator with scissors is generally cut and designed in the injection molding machine in the prior art, but the tonnage of an injection molding machine table is increased due to the cutting in the injection molding machine, so that the manufacturing cost is increased, and the production must be stopped and maintained when the injection molding machine breaks down, so that the production is seriously influenced; the design of a specific sprue increases the manufacturing cost and difficulty of the die, and is not suitable for popularization; a mechanical arm with scissors cannot completely cut off the gate, and the gate residue usually exists on the surface of the mold, so that the quality of the mold is affected.

Disclosure of Invention

In order to solve the problems of high cost, difficult popularization and incomplete cutting in the existing cutting gate technology, the utility model provides an overlap joint type side gate cutting system for an injection molding product, which comprises: the device comprises a positioning jig, a pressure head assembly and a pouring gate cutter assembly;

the positioning jig comprises a bump, and the bump is used for placing a product;

the pressure head assembly comprises a rotary cylinder, a pressure head cantilever and a pressure head, the rotary cylinder is fixedly connected with the positioning jig, one end of the pressure head cantilever is fixedly connected with the output end of the rotary cylinder, the other end of the pressure head cantilever is fixedly connected with the pressure head, and the pressure head is used for fixing a product;

the pouring gate knife assembly comprises an air cylinder part and a pouring gate knife, the air cylinder part is fixedly connected with the positioning jig, and the output end of the air cylinder part is fixedly connected with the pouring gate knife.

As a further improvement of the above technical solution:

the positioning jig is provided with a slide rail groove, and the slide rail groove is used for limiting the movement direction of the sprue cutter.

The cylinder piece includes cylinder and tool bit base, the tool bit base is the L type, tool bit base one end with cylinder output shaft fixed connection, the tool bit base other end with runner sword fixed connection.

The number of the convex blocks, the slide rail grooves, the pressure head assemblies and the sprue cutter assemblies is two, and the convex blocks, the slide rail grooves, the pressure head assemblies and the sprue cutter assemblies are all in a circumferential array along a central shaft of the positioning jig.

And a limiting block is arranged above the slide rail groove and used for limiting the movement direction of the sprue cutter.

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

1. the sprue cutting system is independent of the injection molding machine, the cost of the injection molding machine cannot be increased, and the production of the injection molding machine cannot be influenced.

2. The rotary cylinder controls the movement of the pressure head, so that a larger movement distance in the Y-axis direction does not exist, and the space can be effectively saved; the cylinder piece is U type, and one end and positioning jig fixed connection, the other end and runner sword fixed connection can practice thrift runner excision system's space.

3. The mold is fixed by the convex block and the pressure head, the movement direction of the sprue cutter is limited by the slide rail groove and the limiting block, the cutter head of the sprue cutter can be ensured to be attached to the surface of the mold for cutting at each time, and the cut is clean without sprue residue.

4. The device has simple structure and low cost.

5. The device comprises two pairs of cutting systems, so that the dies on two sides of the sprue can be cut off simultaneously, and the sprue cutting efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of a positioning fixture according to the present invention.

Reference numerals:

1. positioning a jig; 11. a bump; 12. a slide rail groove; 13. a limiting block;

2. a ram assembly; 21. a rotating cylinder; 22. a ram cantilever; 23. a pressure head;

3. a gate cutter assembly; 31. a cylinder; 32. a tool bit base; 33. and a sprue cutter.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "up", "down", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated by the terms must have specific orientations, be constructed and operated in specific orientations, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1, the injection molding product overlap type side gate cutting system of the present embodiment includes: positioning jig 1, pressure head subassembly 2 and runner sword subassembly 3.

As shown in fig. 2, the positioning fixture 1 includes a bump 11, and the product mold can be buckled on the bump 11, so as to facilitate the gate knife 33 to cut off the gate. The positioning jig 1 is provided with a slide rail groove 12, the sprue knife 33 slides in the slide rail groove 12, and the slide rail groove 12 can limit the sliding direction of the sprue knife 33; a limiting block 13 is arranged above the slide rail groove 12, and the sprue cutter 33 can only pass through the lower part of the limiting block 13, so that the consistency of the movement path of the sprue cutter 33 is ensured.

The pressure head assembly 2 comprises a rotary cylinder 21, a pressure head cantilever 22 and a pressure head 23, the rotary cylinder 21 is fixedly connected with the positioning jig 1, and the output end of the rotary cylinder 21 is positioned on the upper end surface; pressure head cantilever 22 one end and revolving cylinder 21's output fixed connection, pressure head cantilever 22's the other end and pressure head 23 fixed connection, pressure head 23 are located pressure head cantilever 22's lower terminal surface, and revolving cylinder 21 can control pressure head cantilever 22 and use the output of cylinder 31 to rotate as rotation center, when pressure head 23 rotated the mould product top, can compress tightly the product to the position of fixed product. The movement of the pressure head 23 is controlled by the rotary cylinder 21, so that a larger movement distance in the Y-axis direction does not exist, and the space can be effectively saved.

Gate knife tackle spare 3 includes cylinder spare and gate sword 33, and cylinder spare and positioning jig 1 fixed connection, cylinder spare include cylinder 31 and tool bit base 32, and tool bit base 32 is the L type, and tool bit base 32 one end and cylinder 31 output shaft fixed connection, the tool bit base 32 other end and gate sword 33 fixed connection, and cylinder 31 can control gate sword 33 and move along the horizontal direction. The cylinder piece is U-shaped, one end of the cylinder piece is fixedly connected with the positioning jig 1, and the other end of the cylinder piece controls the sprue cutter 33 to horizontally move, so that the space can be saved, and the sprue cutting system disclosed by the utility model is compact in structure and small in occupied space.

The number of the convex blocks 11, the slide rail grooves 12, the pressure head component 2 and the sprue cutter component 3 of the sprue cutting system is two, and the convex blocks 11, the slide rail grooves 12, the pressure head component 2 and the sprue cutter component 3 are arranged in a circumferential array along the central axis of the positioning jig 1, namely, after one group of the convex blocks 11, the slide rail grooves 12, the pressure head component 2 and the sprue cutter component 3 rotate 180 degrees along the central axis of the positioning jig 1, the convex blocks 11, the slide rail grooves 12, the pressure head component 2 and the sprue cutter component 3 can be superposed with the other group of the convex blocks 11, the slide rail grooves 12, the pressure head component 2 and the sprue cutter component 3, so that the molds on two sides of a sprue can be cut simultaneously, and the sprue cutting efficiency is improved.

The working principle of the utility model is as follows: the mould product with the pouring gate is reversely buckled on the convex block 11, the rotary cylinder 21 drives the pressure head cantilever 22 to rotate, the pressure head 23 moves to the upper part of the mould product and compresses the product, the cylinder part drives the pouring gate knife 33 to move along the slide rail groove 12, and the pouring gate knife 33 cuts off the pouring gate to finish the separation of the pouring gate and the mould product.

The technical solutions of the embodiments of the present invention can be combined, and the technical features of the embodiments can also be combined to form a new technical solution.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. An injection molding product overlap joint formula side runner resection system which characterized in that includes: the device comprises a positioning jig, a pressure head assembly and a pouring gate cutter assembly;

the gate cutter assembly comprises an air cylinder part and a gate cutter, the air cylinder part is fixedly connected with the positioning jig, and the output end of the air cylinder part is fixedly connected with the gate cutter.

2. The injection molding product overlapping type side gate cutting system according to claim 1, wherein the positioning jig is provided with a slide rail groove, and the slide rail groove is used for limiting the movement direction of the gate knife.

3. The overlapped side gate cutting system for the injection molding product according to claim 1 or 2, wherein the cylinder part comprises a cylinder and a cutter head base, the cutter head base is L-shaped, one end of the cutter head base is fixedly connected with the cylinder output shaft, and the other end of the cutter head base is fixedly connected with the gate cutter.

4. The injection molding product overlapping side gate cutting system according to claim 1 or 2, wherein the number of the projection, the slide rail groove, the pressure head assembly and the gate knife assembly is two, and the projections, the slide rail groove, the pressure head assembly and the gate knife assembly are all in a circumferential array along a central axis of the positioning jig.

5. The injection molding product overlapping side gate cutting system according to claim 2, wherein a limiting block is arranged above the slide rail groove and used for limiting the moving direction of the gate cutter.