CN214082551U

CN214082551U - Can remove mould structure of water gap material

Info

Publication number: CN214082551U
Application number: CN202022319483.5U
Authority: CN
Inventors: 周明
Original assignee: Shenzhen Dongchuang Technology Co Ltd
Current assignee: Shenzhen Dongchuang Technology Co Ltd
Priority date: 2020-10-18
Filing date: 2020-10-18
Publication date: 2021-08-31
Anticipated expiration: 2030-10-18

Abstract

The utility model relates to a can remove mould structure of water gap material. The large sprue is fixed in the panel and penetrates through the panel and the nozzle plate, the nozzle paneling is arranged between the front mold core and the large sprue, and the conical nozzle in the middle of the large sprue is inserted into the nozzle paneling; be equipped with a plurality of perpendicular runners in the mouth of a river paneling, perpendicular runner upper end all communicates with the cross runner, perpendicular runner lower extreme and die cavity intercommunication, the position that mouth of a river paneling bottom surface corresponds perpendicular runner is equipped with trapezoidal recess, the cross-section of trapezoidal recess is big end down's trapezium, the major purline is chewed and is penetrated the eave tile, the eave tile penetrates the mouth of a river paneling, the eave tile bottom is the eave tile and the eave tile penetrates to trapezoidal recess in, trapezoidal recess is used for forming back-off head and eave tile lock when the pouring. The utility model discloses a big purt is chewed and is driven the unnecessary mouth of a river material in the crochet hook drives front mould benevolence and break away from when the die sinking, removes unnecessary water mouth material in the same direction as the area when the product demolding, has improved the production efficiency of moulding plastics, has shortened the production cycle of moulding plastics.

Description

Can remove mould structure of water gap material

Technical Field

The utility model relates to a mold structure especially relates to a can remove mold structure of water gap material.

Background

The plastic injection mold is a tool for producing plastic products and has wide application. During injection molding production, a vertical flow passage is arranged in the front mold core for flowing glue to pass through, and when a product is subjected to mold stripping, redundant water gap materials are usually generated in the vertical flow passage, and the water gap materials are usually connected with the injection molding product into a whole, so that the water gap materials need to be removed by an additional process. It is therefore necessary to remove excess gate stock down the belt as the product is being demolded.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's above defect, and provide a can remove mould structure of water mouthful material to improve the production efficiency of moulding plastics, shorten the production cycle of moulding plastics.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of mould structure that can remove the water mouth material, it includes panel, water mouth board, front template, big sprue, water mouth paneling and front mould core, the water mouth board is set up between panel and front template, the big sprue is fixed in panel and the big sprue runs through panel and water mouth board, the front mould core is set up in the front template, the water mouth paneling is set up between front mould core and big sprue, the conical mouth in the middle of the big sprue inserts in the water mouth paneling; a main runner is arranged in the middle of the large sprue, a transverse runner is arranged on the top surface of the front mold core, and the lower end of the main runner is communicated with the transverse runner; be equipped with a plurality of perpendicular runners in the front mould benevolence, erect runner upper end and all communicate with the cross runner, erect runner lower extreme and die cavity intercommunication, the position that mouth of a river paneling bottom surface corresponds perpendicular runner is equipped with trapezoidal recess, the cross-section of trapezoidal recess is big end down's trapezium, big purt is chewed and is penetrated the eave pin, the eave pin penetrates mouth of a river paneling, the eave pin bottom is the eave pin and the eave pin penetrates to trapezoidal recess in, trapezoidal recess is used for forming back-off head and eave pin when the pouring and tightly detains.

The hook is a cylinder and the cross section of the hook is a trapezoid with a small upper part and a big lower part.

The large sprue is fixed on the panel through a plurality of screws.

The mould structure also comprises a rear mould core, and a cavity is formed after the rear mould core and the front mould core are combined.

The top end of the hook needle is a T-shaped head, the large sprue is provided with a through hole for the hook needle to pass through, the through hole is a stepped hole, and the through hole is provided with a hole plug which fixes the hook needle thimble in the through hole.

The inner diameter of the main runner gradually increases from top to bottom.

The upper part of the main runner is provided with a spherical crown-shaped buffer groove.

The inner diameters of the lower end of the vertical flow channel and the cavity are gradually reduced.

Compared with the prior art, the utility model beneficial effect be: the nozzle drives the hook needle to drive the redundant nozzle material in the front mold core to be separated when the mold is opened through the large sprue, and the redundant nozzle material is removed along with the belt when the product is demoulded, so that the injection molding production efficiency is improved, and the injection molding production period is shortened.

Drawings

Fig. 1 is a sectional view of the die structure of the present invention.

It should be noted that, the products shown in the above views are all appropriately reduced/enlarged according to the size of the drawing and the clear view, and the size of the products shown in the views is not limited.

Detailed Description

In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and explained with reference to the specific embodiments.

The embodiment of the utility model provides a mould structure, its inner structure is shown in figure 1.

As shown in fig. 1, the mold structure includes a face plate 11, a nozzle plate 12, a front mold plate 13, a large sprue 20, a nozzle panel 41, a front mold core 14, and a rear mold core 15. The cavity 151 is formed after the rear mold core 15 and the front mold core 14 are closed. The nozzle plate 12 is disposed between the face plate 11 and the front mold plate 13, and the front mold core 14 is disposed in the front mold plate 13. The large squirt 20 is fixed in the face plate 11 by a plurality of screws 111 and the large squirt 20 penetrates the face plate 11 and the nozzle plate 12, and the nozzle plate 41 is provided between the front mold core 14 and the large squirt 20. The tapered nozzle 22 in the middle of the large squirt 20 is inserted into the nozzle plate 41. The middle position of the large sprue 20 is provided with a main flow passage 21, and the main flow passage 21 penetrates through the conical nozzle 22. The inner diameter of the main flow passage 21 is gradually increased from the top to the bottom, and a buffer groove 23 of a spherical crown shape is provided at the upper portion of the main flow passage 21. The top surface of the front core 14 is provided with a transverse channel 141, and the lower end of the main channel 21 is communicated with the transverse channel 141. A plurality of vertical flow channels 142 are arranged in the front mold core 14, the upper ends of the vertical flow channels 142 are communicated with the transverse flow channels 141, and the lower ends of the vertical flow channels 142 are communicated with the cavity 151. The inner diameter of the lower end 143 of the vertical flow passage 142 and the cavity 151 gradually decreases.

As shown in fig. 1, a trapezoidal groove 411 is formed on the bottom surface of the nozzle plate 41 corresponding to the vertical flow passage 142. The trapezoidal groove 411 has a trapezoidal cross section with a smaller top and a larger bottom. The large squirt 20 is penetrated by a plurality of bearded needles 31, and all the bearded needles 31 penetrate into the nozzle paneling 41. The bottom end of the hook needle 31 is a hook head 311. The hook 311 is a cylinder and the cross section of the hook 311 is a trapezoid with a small top and a large bottom. The hook 311 is inserted into the trapezoidal groove 411 of the bottom surface of the nozzle plate 41. The trapezoidal groove 411 is used for forming a back-off head to be fastened with the hook 311 during casting.

As shown in fig. 1, the top end of the crochet hook 31 is a T-shaped head. The large squirt 20 is provided with a through hole 24 for the hook needle 31 to pass through, and the through hole 24 is a step hole. A hole plug 32 is arranged in the through hole 24, and the hook needle 31 is fixed in the through hole 24 through the hole plug 32.

The utility model discloses a 20 are chewed to big purt drives the unnecessary mouth of a river material in the crochet hook 31 drives front mould benevolence 14 and breaks away from when the die sinking, removes unnecessary mouth of a river material in the same direction as the area when the product demolding, has improved the production efficiency of moulding plastics, has shortened the production cycle of moulding plastics. When the mold is closed, the rear mold core 15 and the front mold core 14 are closed, and the rear mold core 15 pushes the whole front mold part to return to the original position.

In the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The above description is only for the purpose of illustrating the technical content of the present invention by way of example, so as to facilitate the understanding of the reader, but does not represent that the embodiments of the present invention are limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention.

Claims

1. A mould structure capable of removing water sprue is characterized by comprising a panel, a sprue plate, a front template, a large sprue, a sprue paneling and a front mould core, wherein the sprue plate is arranged between the panel and the front template; a main runner is arranged in the middle of the large sprue, a transverse runner is arranged on the top surface of the front mold core, and the lower end of the main runner is communicated with the transverse runner; the runner structure is characterized in that a plurality of vertical runners are arranged in the front die core, the upper ends of the vertical runners are communicated with the transverse runners, the lower ends of the vertical runners are communicated with the die cavity, the bottom surfaces of the water gap paneling correspond to the positions of the vertical runners, trapezoidal grooves are formed in the cross sections of the trapezoidal grooves in a trapezoidal shape with the small upper part and the large lower part, the large sprue is penetrated by a hook needle, the hook needle penetrates into the water gap paneling, the bottom end of the hook needle is a hook head, the hook head penetrates into the trapezoidal grooves, and the trapezoidal grooves are used for forming a back-off head when pouring and tightly buckling the hook head.

2. The mold structure of claim 1, wherein the hook is a cylinder and the cross section of the hook is a trapezoid with a small top and a large bottom.

3. The removable trim mold structure of claim 1, wherein the large sprue is secured to the face plate by a plurality of screws.

4. The mold structure of claim 1, further comprising a rear mold core, wherein the rear mold core and the front mold core form a cavity after being assembled.

5. The mold structure of claim 1, wherein the top of the hook needle is a T-shaped head, the large sprue is provided with a through hole for the hook needle to pass through, the through hole is a stepped hole, and the through hole is provided with a hole plug for fixing the hook needle thimble in the through hole.

6. The removable trim mold structure of claim 1, wherein the inner diameter of the primary channel gradually increases from top to bottom.

7. The removable trim mold structure of claim 1, wherein the upper portion of the main runner is provided with a dome-shaped buffer groove.

8. The removable flash tank mold structure of claim 1, wherein the lower end of the vertical flow channel and the inner diameter of the cavity are gradually reduced.