CN212443611U

CN212443611U - Processing assembly of formula of hiding runner mold insert

Info

Publication number: CN212443611U
Application number: CN202023256757.7U
Authority: CN
Inventors: 王林旺; 李吉庆; 王乐虎
Original assignee: Changzhou Ruitai Photoelectric Co Ltd
Current assignee: Changzhou Ruitai Photoelectric Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-02-02
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a processing subassembly of formula of hiding runner mold insert belongs to mould runner technical field, and the processing subassembly includes fixed tool and the electrode holder that is located fixed tool top and can reciprocate, sets up a plurality of holding tanks that are used for installing the mold insert body on the fixed tool, forms the contained angle between the support bottom surface of holding tank and fixed tool, and the electrode holder is equipped with a plurality of electrodes with a plurality of holding tank one-to-one towards the direction of fixed tool, and the electrode is used for carrying out the spark-erosion machining to the mold insert body of installing on the holding tank and forms formula of hiding runner structure; the utility model discloses a but the runner size of advancing of formula runner structure of hiding is processed out to the processing subassembly accurate control, easily measures, and can batch production the same specification and dimension's a plurality of formula runner mold inserts of hiding, can obtain good uniformity when being applied to many cave mould, and processing production is reliable and stable, does not have special requirement to equipment and personnel, low in production cost.

Description

Processing assembly of formula of hiding runner mold insert

Technical Field

The utility model belongs to the technical field of the mould runner, especially, relate to a processing subassembly of formula of hiding runner mold insert.

Background

Along with the continuous improvement of the requirement of productivity, the requirement on the arrangement of the acupuncture points of the die is more and more, and meanwhile, in order to save the production cost, more products are required to be formed by using the submarine gate so as to save the cost of cutting the subsequent gate; because of the mode of processing of traditional formula runner structure of hiding, its runner size is difficult to control, and especially many cave runner size uniformity is difficult to guarantee, and the runner that advances of traditional formula runner structure of hiding is oval shape moreover, and the major axis of oval runner is the same with the die sinking direction of mould, compares other runner structures of the same area size, and it leads to remaining too much burr on the product, sometimes even needs the manual work to prune and get rid of, makes the cost rise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve not enough among the prior art to a certain extent at least, provide a processing subassembly of formula of hiding runner mold insert.

In order to achieve the above object, an embodiment of the present invention provides a processing assembly for a submarine gate insert, wherein the submarine gate insert is applied to an injection mold, the submarine gate insert comprises an insert body and a submarine gate structure arranged on the insert body, the processing assembly comprises a fixing jig and an electrode base which is positioned above the fixing jig and can move up and down, the fixing jig is provided with a plurality of holding grooves for mounting the insert body, an included angle is formed between the holding grooves and a supporting bottom surface of the fixing jig, the electrode base is provided with a plurality of electrodes which are in one-to-one correspondence with the holding grooves towards the fixing jig, and the electrodes are used for performing electric spark machining on the insert body mounted on the holding grooves to form the submarine gate structure;

the submarine gate structure comprises a runner, an inlet runner and an inlet gate, wherein the inlet runner is communicated with the runner and is obliquely arranged, the inlet runner is communicated with the inlet runner, the inlet gate is of an arch structure and comprises an arc edge and a straight edge connected with the arc edge, the straight edge is perpendicular to the demolding direction of the injection mold, and the distance from the top point of the arc edge to the straight edge is smaller than the length of the straight edge.

Preferably, the plurality of accommodating grooves are distributed in two rows at intervals along the rectangular array.

Preferably, the fixing jig comprises two supporting bottom surfaces which are symmetrical to each other.

Preferably, the fixing jig comprises a first end face adjacent to the supporting bottom face and a second end face opposite to the first end face, and two ends of the accommodating groove penetrate through the first end face and the second end face.

Preferably, the first end surface is provided with a positioning groove communicated with the accommodating groove, one end of the insert body is positioned in the accommodating groove through the positioning groove, and the other end of the insert body extends out of the second end surface.

Preferably, the pouring runner is conical and is arranged by gradually reducing and extending from the runner to the pouring gate.

Preferably, the gate is formed by a sidewall of the gate runner extending to the insert body.

From the aforesaid the embodiment of the utility model provides a can know, but the processing subassembly of this embodiment accurate control process out the runner size of advancing of formula of hiding runner structure, easily measure, and a plurality of formula of hiding runner mold inserts that can batch production the same specification and dimension can obtain good uniformity when being applied to the many caves mould, and processing production is reliable and stable, does not have special requirement to equipment and personnel, low in production cost. In addition, the arc edge of the inlet sprue can play a role of cutting off the molded product and the sprue material when the molded product is demoulded, so that the sprue material is more easily broken from the molded product, the residual burrs on the molded product are less, and the appearance is well ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly introduced below, and 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 these drawings without inventive labor.

FIG. 1 is a block diagram of an embodiment of a processing assembly of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a structural diagram of the submarine gate insert of the present invention;

fig. 4 is a sectional view taken in the direction B-B in fig. 3.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Please refer to fig. 1-4, an embodiment of the present invention discloses a processing assembly for a submarine gate insert, which is used for processing a submarine gate insert 30 with a plurality of specifications and dimensions, including a fixing jig 10 and an electrode holder 20 located above the fixing jig 10 and capable of moving up and down, wherein a plurality of holding grooves 11 for mounting an insert body 31 are provided on the fixing jig 10, an included angle is formed between the holding groove 11 and the supporting bottom surface 12 of the fixing jig 10, and a plurality of electrodes 21 corresponding to the holding grooves 11 one to one are provided towards the fixing jig 10 of the electrode holder 20.

Wherein, during machining, the electrode 21 is electrically connected with an electric spark machine, the electrode is in a vertical state, the lower end of the electrode is in a conical structure, when the insert bodies 31 are arranged in the accommodating grooves 11, the upper ends of the insert bodies 31 protrude out of the fixing jig 10, the top surfaces of the insert bodies 31 and the electrode 21 are in an inclined state, the electrode base 20 is controlled to descend to enable the electrodes 21 to discharge electric sparks to respectively machine the insert bodies 31 until the end parts of the electrodes 21 protrude out of the side walls 33 of the insert bodies 31, so that the submarine gate structures 40 are respectively machined on the insert bodies 31, the size of the submarine gate 43 of the submarine gate structure 40 can be accurately controlled by the submarine gate structure, compared with an oval gate which adopts a measuring mode of a stop-go gauge, the size of the submarine gate 43 machined by the machining assembly of the embodiment is easy to measure, and a plurality of submarine gate inserts 30 with the same specification and size can be, when the method is applied to a multi-cavity die, good consistency can be obtained, the processing and production are stable and reliable, no special requirements are required on equipment and personnel, and the production cost is low.

Specifically, the fixing jig 10 includes a first end surface 14 adjacent to the supporting bottom surface 12 and a second end surface 13 opposite to the first end surface 14, and both ends of the receiving groove 11 penetrate through the first end surface 14 and the second end surface 13. The first end surface 14 and the second end surface 13 may be disposed parallel to each other, and when the insert body 31 is mounted, the insert body 31 is inserted into the receiving groove 11, such that the lower end of the insert body 31 and the first end surface 14 are fixed by a fixing device, and the upper end of the insert body 31 protrudes out of the receiving groove 11 from the second end surface 13, so as to facilitate the electrode 21 to process the insert body 31.

In the present embodiment, the angle between the supporting bottom 12 and the first end surface 14 affects the included angle between the receiving groove 11 and the supporting bottom 12, that is, the pouring angle of the electrode 21 to the submarine gate machined by the insert body 31, and the angle between the extending direction of the electrode 21 and the extending direction of the receiving groove 11 is preferably 30 to 60 degrees.

Further, in order to facilitate quick clamping and positioning of the insert body 31 on the fixing jig 10, the first end surface 14 is provided with a positioning groove 15 communicated with the accommodating groove 11, the lower end of the insert body 31 protrudes to form a limiting block 32, when the upper end of the insert body 31 is inserted from the first end surface 14 until the limiting block is stopped in the positioning groove 15, and the limiting block 32 is fixed in the positioning groove 15 through a structure similar to a sealing plate, at this time, the upper end of the insert body 31 extends out of the second end surface 13 of the fixing jig 10 by a fixed length.

In an embodiment of the present invention, the plurality of accommodating grooves 11 are distributed in two rows at intervals along the rectangular array, which can improve the processing efficiency of the insert body 31; preferably, the fixing fixture 10 includes two supporting bottom surfaces 12 that are symmetrical to each other, the fixing fixture 10 can be supported and fixed by one of the supporting bottom surfaces 12, and correspondingly, the two rows of receiving grooves 11 are also symmetrical to each other.

Referring to fig. 3 and 4, the structure of the submarine gate insert 30 manufactured by the above-described manufacturing assembly will be described in detail, which comprises an insert body 31 and a submarine gate structure 40 formed on the insert body 31, the submarine gate structure 40 includes a runner 41, an inlet runner 42 communicating with the runner 41 and disposed obliquely, and an inlet gate 43 communicating with the inlet runner 42, since the gate 43 is formed by the tip portion of the electrode 21 protruding from the sidewall 33 of the insert body 31, that is, the gate 43 is formed by extending the gate 42 to the sidewall 33, that is, the end portion of the electrode 21 protrudes from the sidewall 33 of the insert body 31 during machining to form an arch structure, the injection mold comprises an arc edge 431 and a straight edge 432 connected with the arc edge, wherein the straight edge 432 is vertical to the demolding direction of the injection mold, and the distance from the top point of the arc edge 431 to the straight edge 432 is smaller than the length of the straight edge 432. Thereby arc 431 can play notched effect and make the shaping product cut off with the runner material when the shaping product drawing of patterns, so the structure makes the runner material fracture from the shaping product more easily, and remaining burr is less on the shaping product, and the outward appearance obtains good assurance.

It should be noted that when the insert body 31 is applied to an injection mold, the runner 41 is correspondingly communicated with the runner of the injection mold, and the sidewall 33 forms a part of a product cavity of the injection mold, so that the gate 43 is communicated with the product cavity, of course, the submarine gate structure 40 disclosed in this embodiment may also be directly applied to the injection mold, and at this time, the gate 43 is directly opened on the sidewall of the product cavity of the mold.

In one embodiment, the pouring runner 42 is conical corresponding to the electrode 21 and gradually decreases and extends from the runner 41 to the pouring gate 43, so as to increase the flow rate of the injection molding material entering the product cavity and enable the injection molding material to be filled more rapidly.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

Above is the description to the technical scheme that the utility model provides, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.

Claims

1. A processing assembly of a submarine gate insert is applied to an injection mold, and the submarine gate insert comprises an insert body and a submarine gate structure arranged on the insert body, and is characterized in that the processing assembly comprises a fixing jig and an electrode seat which is positioned above the fixing jig and can move up and down, a plurality of accommodating grooves used for installing the insert body are formed in the fixing jig, an included angle is formed between each accommodating groove and the supporting bottom surface of the fixing jig, a plurality of electrodes which correspond to the accommodating grooves one by one are arranged on the electrode seat in the direction towards the fixing jig, and the electrodes are used for performing electric spark processing on the insert body arranged on the accommodating grooves to form the submarine gate structure;

2. The submarine gate insert tooling assembly according to claim 1, wherein the plurality of receiving grooves are spaced in two rows along a rectangular array.

3. The submarine gate insert machining assembly according to claim 2, wherein the fixture comprises two support bottom surfaces that are symmetrical to each other.

4. The submarine gate insert machining assembly according to claim 1, wherein the fixture comprises a first end surface adjacent to the support bottom surface and a second end surface opposite to the first end surface, and the receiving groove has two ends penetrating the first end surface and the second end surface.

5. The submarine gate insert machining assembly according to claim 4, wherein the first end surface defines a positioning groove communicating with the receiving groove, and wherein the insert body has one end positioned in the receiving groove through the positioning groove and the other end protruding from the second end surface.

6. The submarine gate insert manufacturing assembly according to claim 1, wherein the sprue channel is conical and extends from the runner channel in a direction from the sprue channel.

7. The submarine gate insert tooling assembly according to claim 6, wherein the entry gate is formed by the entry runner extending to a sidewall of the insert body.