CN217196689U

CN217196689U - Automatic die that breaks of side runner

Info

Publication number: CN217196689U
Application number: CN202220415694.5U
Authority: CN
Inventors: 胡锋; 郭荣灼
Original assignee: Dongguan Yuxin Technology Co Ltd
Current assignee: Dongguan Yuxin Technology Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-16
Anticipated expiration: 2032-02-28

Abstract

The utility model provides a side sprue automatic breaking mould, which comprises a rear mould core and a breaking mechanism arranged on one side of the rear mould core; the side, close to the rear mold core, of the breaking mechanism is sequentially provided with a slide insert, a slide seat and a shovel machine from inside to outside; the upper surfaces of the slide insert and the slide seat are provided with a runner together, and the runner is communicated with a sprue arranged on the product groove; a plurality of first springs capable of pushing the line insert to move backwards are arranged between the line insert and the rear mold core, and a plurality of second springs capable of pushing the line seat to move backwards are arranged between the line insert and the line seat; during the die sinking after the product shaping, shovel machine and guide post rebound, under the effect of first spring, the position seat of going with go the position mold insert and drive the mouth of a river material on the runner and carry out a retrodisplacement, the position mold insert that goes stops the motion under limiting displacement, the position seat of going drives mouth of a river material and continues to retreat to realize that the runner is automatic to be broken, the utility model discloses the automation of side runner is broken and is not had and remain, does not need the manual processing mouth of a river position.

Description

Automatic die that breaks of side runner

Technical Field

The utility model relates to an injection mold technical field, more specifically the automatic die that breaks of side runner that says so.

Background

The mold is widely used in industrial production, the mold is various molds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods, a plurality of gates are generally arranged in the injection mold for producing plastic parts such as mobile phone shells, earphone shells and the like for glue feeding, and the gates and the products are disconnected by adopting a cutting structure or a snapping structure basically in the design of the common mold, but the mode or the structure is complex, the realization difficulty or the cost is high, the products are easy to remain or damage at the positions of the gates, and the integrity of the products is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an automatic die that breaks of side runner.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a side gate automatic breaking mold comprises a rear mold core and a breaking mechanism arranged on one side of the rear mold core; a product groove is arranged on the rear mold core; the side, close to the rear mold core, of the breaking mechanism is sequentially provided with a slide insert, a slide seat and a shovel machine from inside to outside; the upper surfaces of the slide insert and the slide seat are provided with a runner together, and the runner is communicated with a sprue arranged on the product groove; a plurality of first springs capable of pushing the line position insert to move backwards are arranged between the line position insert and the rear mold core, and a plurality of second springs capable of pushing the line position seat to move backwards are arranged between the line position insert and the line position seat.

In a preferred technical scheme, a plurality of oblique guide post holes are formed in the slide seat, and a plurality of oblique guide posts capable of moving up and down are obliquely embedded in the guide post holes.

In the preferred technical scheme, the attaching surface of the shovel machine and the slide seat is of an oblique structure, a neutral position is formed between the shovel machine and the slide seat after the shovel machine moves upwards, and the slide seat and the slide insert move backwards under the action force of the first spring and the second spring.

In an optimized technical scheme, step structures are arranged on two sides of the slide seat, and first pressing blocks are arranged on the step structures.

In the preferred technical scheme, two sides of the slide insert are provided with limit grooves, and the limit grooves are provided with second press blocks connected with the rear mold core.

In the preferred technical scheme, a plurality of limiting screws connected with the row position insert are arranged in the row position seat.

In the preferred technical scheme, a triangular groove body is arranged at the position of the flow channel on the slide seat.

In a preferred technical scheme, a plurality of thimbles corresponding to the positions of the flow channels are arranged at the bottom of the rear mold core.

Known through foretell technical scheme, compare with prior art, the utility model discloses following beneficial technological effect has:

during the die sinking after the product shaping, shovel machine and guide post rebound, under the effect of first spring, the position seat of going with the position mold insert that goes drive the mouth of a river material on the runner and carry out a retrodisplacement, the position mold insert that goes is stop motion under limiting displacement, the position seat that goes drives mouth of a river material and continues to retreat to realize that the runner is automatic to be broken, the utility model discloses the automation of realizing the side runner is broken and is not had and remain, does not need the manual processing mouth of a river position.

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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of the top-view exploded structure of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic view of the structure of the right side of the present invention.

Reference numerals: 100. a rear mold core; 110. a product tank; 120. a thimble; 200. a snapping mechanism; 210. a slide insert; 220. a slide seat; 230. shoveling the machine; 240. a flow channel; 250. a first spring; 260. a second spring; 221. an inclined guide post; 222. a first pressing block; 211. a limiting groove; 212. a second pressing block; 223. and a limiting screw.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the present application, it is to be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1-3, the mold for producing a mobile phone shell in this embodiment includes a rear mold core 100 and a breaking mechanism 200 disposed on one side of the rear mold core; the rear mold core 100 is provided with a product groove 110, the product groove 110 is in the shape of the mobile phone shell to be produced, the product is injection molded in the product groove 110, and when products with different specifications are produced, the specification of the product groove 110 is correspondingly changed, so that different products can be produced; the breaking mechanism 200 is used for automatically breaking the nozzle material at the gate arranged on the side surface of the product groove 110 after the product is formed; the side of the stretch breaking mechanism 200 close to the rear mold core 100 is sequentially provided with a slide insert 210, a slide seat 220 and a shovel machine 230 from inside to outside; the upper surfaces of the slide insert 210 and the slide seat 220 are provided with a runner 240, and the runner 240 is communicated with a gate formed on the side surface of the product groove 110; when the product is injection molded, plastic enters the product groove 110 through the runner 240 for molding; a plurality of first springs 250 capable of pushing the slide insert 210 to move backwards are arranged between the slide insert 210 and the rear mold core 100, and a plurality of second springs 260 capable of pushing the slide seat 220 to move backwards are arranged between the slide insert 210 and the slide seat 220; after the product is molded in the product groove 110, the first spring 250 and the second spring 260 push the slide insert 210 and the slide seat 220 to move backward, so that the nozzle material in the runner 240 is broken from the position of the gate, and the manual processing of the nozzle position is not needed for processing the product.

Furthermore, the row seat 220 is provided with two oblique guide post holes, two guide posts 221 capable of moving up and down are obliquely embedded in the guide post holes, the number of the guide post holes and the guide posts 221 is not limited to this embodiment, according to actual implementation, for example, different specifications of the produced product, the size of the row seat 220 is changed, and the number of the guide holes and the guide posts 221 can be changed according to actual specifications; the facing surfaces of the shovel machine 230 and the slide seat 220 are of an inclined structure, a neutral gear is formed between the shovel machine 230 capable of moving up and down and the slide seat 220 after moving up, the guide column 221 moves up simultaneously when the shovel machine 230 moves up, the slide seat 220 and the slide insert 210 move back under the action force of the first spring 250 and the second spring 260, and the nozzle material at the gate is broken.

Furthermore, step structures are arranged on two sides of the row seat 220, first pressing blocks 222 are respectively arranged on the step structures on the two sides, the first pressing blocks 222 press the two sides of the row seat 220, the row seat 220 is prevented from moving longitudinally, and the row seat 220 can smoothly move horizontally and backwards after the guide column 221 and the shovel 230 move upwards simultaneously.

Furthermore, the two sides of the slide insert 210 are provided with the limiting grooves 211, the limiting grooves 211 are provided with the second pressing blocks 212 connected with the rear mold core 100, the second pressing blocks 212 press the two sides of the slide insert 210, and the slide seat 220 is not prevented from moving longitudinally, in this embodiment, the interval between the front end edge of the limiting grooves 211 and the second pressing blocks 212 is 6MM, but the distance is not limited to this embodiment, after the guide pillar 221 and the shovel 230 move upwards simultaneously, the slide insert 210 and the slide seat 220 move backwards by 6MM simultaneously under the action of the first spring 250, at this time, the slide insert 210 stops moving backwards due to the limiting action of the limiting grooves 211 and the second pressing blocks 212, and the slide seat 220 continues moving backwards under the action of the second spring 260; a plurality of limiting screws 223 connected with the slide inserts 210 are arranged in the slide seat 220, the limiting screws 223 limit the maximum separation distance between the slide inserts 210 and the slide seat 220 to be 6MM, but the distance is not limited in the embodiment; namely, the process of snapping the gate material of the snapping mechanism 200 is to open the mold after the product is molded, the shovel 230 and the guide post 221 move upwards, the slide seat 220 and the slide insert 210 are driven to retreat by 6MM under the action of the first spring 250, the slide insert 210 stops moving under the limit of the second pressing block 212, and the slide seat 220 continues to retreat by 6MM, so that the gate is automatically snapped.

Furthermore, a triangular groove body is arranged at the position of the runner on the slide seat 220, and the structure enables the nozzle material to move backwards along with the slide seat 220, so that the breaking of the pouring gate is realized; the bottom of the rear mold core 100 is provided with a plurality of ejector pins 120 corresponding to the positions of the runners 240, and after the sprue is broken, the ejector pins 120 move upwards to eject the sprue, so that the next process can be performed quickly, and the automation degree is higher.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 utility model provides an automatic die that breaks of side runner which characterized in that: comprises a rear die core (100) and a breaking mechanism (200) arranged on one side of the rear die core (100); a product groove (110) is arranged on the rear mold core (100); the side, close to the rear mold core (100), of the breaking mechanism (200) is sequentially provided with a slide insert (210), a slide seat (220) and a shovel machine (230) from inside to outside; the upper surfaces of the slide insert (210) and the slide seat (220) are provided with a runner (240) together, and the runner (240) is communicated with a sprue arranged on the product groove (110); a plurality of first springs (250) capable of pushing the slide insert (210) to move backwards are arranged between the slide insert (210) and the rear mold core (100), and a plurality of second springs (260) capable of pushing the slide seat (220) to move backwards are arranged between the slide insert (210) and the slide seat (220).

2. The side-gate automatic snap-off mold according to claim 1, wherein: a plurality of inclined guide post holes are formed in the travelling seat (220), and a plurality of inclined guide posts (221) capable of moving up and down are obliquely embedded in the guide post holes.

3. The side-gate automatic snap-off mold according to claim 1, wherein: the attaching surface of the shovel machine (230) and the slide seat (220) is of an oblique structure, a neutral position is formed between the shovel machine (230) and the slide seat (220) after moving upwards, and the slide seat (220) and the slide insert (210) move backwards under the action force of the first spring (250) and the second spring (260).

4. The side-gate automatic snap-off mold according to claim 1, wherein: two sides of the slide seat (220) are provided with a step structure, and the step structure is provided with a first pressing block (222).

5. The side-gate automatic snap-off mold according to claim 1, wherein: the slide insert (210) is provided with limiting grooves (211) on two sides, and second pressing blocks (212) connected with the rear mold core (100) are arranged on the limiting grooves (211).

6. The side-gate automatic snap-off mold according to claim 1, wherein: the row position seat (220) is internally provided with a plurality of limiting screws (223) connected with the row position insert (210).

7. The side-gate automatic snap-off mold according to claim 1, wherein: the position of the flow channel (240) on the slide seat (220) is provided with a triangular groove body.

8. The side-gate automatic snap-off mold according to claim 1, wherein: and a plurality of thimbles (120) corresponding to the positions of the flow channels (240) are arranged at the bottom of the rear mold core (100).