CN219505335U

CN219505335U - Injection mold insert mounting structure convenient to change

Info

Publication number: CN219505335U
Application number: CN202320527625.8U
Authority: CN
Inventors: 黄少云; 韩峰; 谭伟; 李宇豪; 朱程程; 严勇康
Original assignee: Zhejiang Tianneng Jinggong Technology Co ltd
Current assignee: Zhejiang Tianneng Jinggong Technology Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-08-11
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses an injection mold insert mounting structure convenient to replace, and relates to the technical field of injection molds. The utility model comprises a template and a die core, wherein the die core is provided with a mounting hole, the insert is provided with a mounting pin hole and a wedge-shaped channel, and the side surface of the die core is provided with two through jacks which correspond to the positions of the mounting pin hole and the wedge-shaped channel respectively; the template is provided with two bolt holes which are respectively corresponding to the two bolt holes; the bolt holes are penetrated with positioning pin rods, the positioning pin rods are inserted into the mounting pin holes through penetrating holes, so that the insert is fixed, and when the positioning pin rods are inserted into the wedge-shaped channels, the insert is jacked upwards, so that the insert is detached; the template is connected with the clamp plate for inject locating pin shaft axial position through the clamp plate. According to the utility model, the locating pin rod is inserted through the bolt hole, and is matched with the mounting pin hole of the insert, so that the insert is quickly mounted and dismounted, and the problem of low replacement efficiency of the existing insert is solved.

Description

Injection mold insert mounting structure convenient to change

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold insert mounting structure convenient to replace.

Background

The mold is a tool which is installed in a machine body such as an injection molding machine, a blow molding machine, an extruder and the like and is used for manufacturing a molded article. In the prior art, when the mold is replaced, the mold is required to be detached from the injection molding machine, then the mold is detached, the replaced mold is reloaded, and finally the assembled mold is newly installed on the injection molding machine.

Because the whole die is required to be installed and disassembled, the replacement process is complicated and time-consuming, and the die needs to be tested again after the die is disassembled each time, so that the insert is replaced, the time and labor are wasted, the efficiency is low, and the whole production cost is increased intangibly.

Disclosure of Invention

The utility model aims to provide an injection mold insert mounting structure convenient to replace, which is characterized in that a positioning pin rod is inserted through a pin hole and is matched with a mounting pin hole of an insert, so that the insert is quickly mounted and dismounted, and the problem of low replacement efficiency of the existing insert is solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an injection mold insert mounting structure convenient to replace, which comprises a template and a mold core, wherein the mold core is provided with a mounting hole, and an insert is mounted through the mounting hole; the side surface of the insert is provided with a mounting pin hole, the lower surface of the insert is provided with a wedge-shaped channel, the side surface of the die core is provided with two penetrating holes, and the two penetrating holes correspond to the mounting pin hole and the wedge-shaped channel respectively; two bolt holes are formed in the side face of the template, and the two bolt holes correspond to the two bolt holes respectively; the positioning pin rod is inserted into the bolt hole, the end part of the positioning pin rod is inserted into the mounting pin hole through the insertion hole, so that the insert is fixed, and when the positioning pin rod is inserted into the wedge-shaped channel through the other bolt hole, the insert is jacked upwards, so that the insert is dismounted; the side of the template is provided with a sinking groove, and a pressing plate is connected in the sinking groove and used for limiting the axial position of the positioning pin shaft through the pressing plate.

As a preferable technical scheme of the utility model, the mounting hole is of an inverted circular truncated cone structure, and the insert is of an inverted circular truncated cone structure matched with the mounting hole.

As a preferable technical scheme of the utility model, a positioning key slot communicated with the mounting hole is arranged on the lower surface of the die core, and a positioning key is arranged in the positioning key slot; the insert is provided with a plane section matched with the positioning key, and the plane section is used for positioning the circumferential position of the insert through the positioning key.

As a preferable technical scheme of the utility model, the mounting pin hole is of a round platform hole structure, and the end part of the positioning pin rod is of a conical structure matched with the mounting pin hole.

As a preferable technical scheme of the utility model, a retaining ring is arranged at a section of the locating pin rod, which is close to the pressing plate, and the pressing plate is provided with a through hole in clearance fit with the locating pin rod, so that the axial position of the locating pin rod is limited by abutting the side surface of the pressing plate against the retaining ring.

As a preferable technical scheme of the utility model, the end part of the positioning pin rod is of a spherical structure.

The utility model has the following beneficial effects:

according to the utility model, the mounting pin hole and the wedge-shaped channel are formed in the insert, the bolt hole corresponding to the insert is formed in the die, the positioning pin rod is inserted through the bolt hole, the positioning pin rod is matched with the mounting pin hole, the insert is quickly mounted, the insert is jacked up by the positioning pin rod through the positioning pin rod matched with the wedge-shaped channel, and the insert is quickly dismounted, so that the insert is quickly replaced without dismounting the die, the convenience of insert replacement is effectively improved, the overall production efficiency is improved, and the overall production cost is saved.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an injection mold insert mounting structure for easy replacement according to the present utility model;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a cross-sectional view at A-A in FIG. 2;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 3;

FIG. 6 is an exploded view of the structure of the die plate, core, insert and dowel pin;

FIG. 7 is a schematic view of the insert in removal;

FIG. 8 is a schematic diagram of the structure of the insert, insert and positioning key of the second embodiment;

FIG. 9 is an exploded view of the structure of the mold insert, insert and positioning key;

in the drawings, the list of components represented by the various numbers is as follows:

1-template, 2-die core, 3-insert, 4-locating pin rod, 101-bolt hole, 102-sinking groove, 103-pressing plate, 201-mounting hole, 202-penetrating hole, 203-locating key slot, 204-locating key, 301-mounting pin hole, 302-wedge channel, 303-plane section and 401-baffle ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1 to 3, the utility model discloses an injection mold insert mounting structure convenient to replace, which comprises a template 1 and a mold core 2, wherein the template 1 is provided with a mounting sink, the mold core 2 is arranged in the mounting sink, the mold core 2 is provided with a mounting hole 201, and an insert 3 is arranged through the mounting hole 201.

As shown in fig. 4 to 6, a mounting pin hole 301 is formed in the side surface of the insert 3, a wedge-shaped channel 302 is formed in the lower surface of the insert 3, the mounting pin hole 301 and the wedge-shaped channel 302 are distributed downwards, two penetrating holes 202 are formed in the side surface of the die core 2, and the two penetrating holes 202 correspond to the mounting pin hole 301 and the wedge-shaped channel 302 respectively.

Two bolt holes 101 are formed in the side face of the template 1, and the two bolt holes 101 correspond to the positions of the two through jacks 202 respectively. The dowel holes 101 are inserted with the dowel rods 4, the end parts of the dowel rods 4 are inserted into the mounting pin holes 301 through the insertion holes 202, the insert 3 is fixed, and when the dowel rods 4 are inserted into the wedge-shaped channels 302 through the other dowel holes 101, the insert 3 is jacked upwards, so that the insert 3 is detached.

Specifically, the mounting hole 201 is of an inverted circular truncated cone structure, the insert 3 is of an inverted circular truncated cone structure matched with the mounting hole, and during mounting, the insert 3 is inserted into the mounting hole 201, and the inverted circular truncated cone structure is adopted, so that the insert 3 is matched with the mounting hole 201 more tightly, and the stability of the insert 3 after mounting is improved.

The positioning pin rod 4 sequentially passes through the bolt hole 101 and the penetrating hole 202 and is inserted into the mounting pin hole 301 of the insert 3, so that the insert 3 is fixed through the positioning pin rod 4, and the insert 3 is kept in the mounting hole 201 of the die core 2.

Wherein, the installation pinhole 301 is round platform hole structure, and locating pin pole 4 tip be with installation pinhole 301 complex toper structure, utilize the locating pin pole 4 of toper structure to cooperate with the installation pinhole 301 of round platform hole structure, equally be favorable to improving two complex compactability and stability. And, the tip of locating pin pole 4 is spherical structure, is convenient for improve the convenience when locating pin pole 4 wears to insert to and prevent the condition that causes the fish tail to take place for the mould.

As shown in fig. 4, 6 and 7, simultaneously, a sinking groove 102 is formed on the side surface of the template 1, a threaded hole is formed in the sinking groove 102, and a pressing plate 103 is connected through a screw, so that the axial position of the positioning pin 4 is limited through the pressing plate 103.

Specifically, both pin bore 101 ports are located in sink 102. The section of the locating pin rod 4, which is close to the pressing plate 103, is provided with a baffle ring 401, the locating pin rod 4 and the baffle ring 401 can be of an integrated structure, or a step structure is formed through machining, and the pressing plate 103 is provided with a through hole in clearance fit with the locating pin rod 4, so that the axial position of the locating pin rod 4 is limited by abutting the side surface of the pressing plate 103 against the baffle ring 401.

During installation, the through hole of the pressing plate 103 is sleeved at the end part of the locating pin rod 4, when the pressing plate 103 is locked by the screw, the side surface of the pressing plate 3 presses the baffle ring 401, so that the axial position of the locating pin rod 4 is limited, the other end of the locating pin rod 4 is kept inserted into the installation pin hole 301 of the insert 3, and the stability and reliability of the insert 3 after installation are ensured.

As shown in fig. 7, when the insert 3 needs to be disassembled, the lower pressing plate 103 is disassembled, then the positioning pin 4 is pulled out, the positioning pin 4 is inserted into the other bolt hole 101 below, and the positioning pin 4 is inserted into the wedge-shaped channel 302 at the lower end of the insert 3 through the other insertion hole 202 formed in the die core 2.

Through the inclined plane cooperation of locating pin pole 4 tip and wedge channel 302, through axial insertion locating pin pole 4 to jack-up with the insert 3, thereby be convenient for take out the insert 3 by mounting hole 201 in, improve the convenience of the dismantlement of insert 3.

Through utilizing locating pin pole 4 and installation pinhole 301 cooperation, realize the quick installation to insert 3, through locating pin pole 4 and wedge channel 302 cooperation, utilize locating pin pole 4 to jack-up the insert, realize dismantling the quick of 3 to insert to under the condition of not dismantling the mould, realize the quick replacement to insert 3, the effectual convenience of changing of 3 improvement inserts is favorable to improving holistic production efficiency, and practice thrift holistic manufacturing cost.

Example two

On the basis of the first embodiment, as shown in fig. 8 and 9, a positioning key groove 203 communicating with the mounting hole 201 is formed on the lower surface of the mold core 2, and a positioning key 204 is provided in the positioning key groove 203. The insert 3 is provided with a flat cutting surface 303 adapted to the positioning key 204 for positioning the position of the insert 3 in the circumferential direction by the positioning key 204.

When the insert 3 is installed, the lower end of the insert 3 is blocked by the positioning key 204 and cannot be completely inserted into the installation hole 201, at this time, by rotating the insert 3, when the flat tangential surface 303 corresponds to the positioning key 204, the insert 3 can be completely inserted into the installation hole 201, and at this time, the installation pin hole 301 of the insert 3 corresponds to the through hole 202, so that the positioning pin 4 can be quickly inserted into the installation pin hole 301 and the wedge-shaped channel 302.

Thereby realize the position location to insert 3 circumferencial direction through locating key 204, further improve the convenience of insert 3 installation and dismantlement for holistic change efficiency obtains further improvement.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Injection mold insert mounting structure convenient to change, including template (1) and mould benevolence (2), its characterized in that: the die core (2) is provided with a mounting hole (201), and an insert (3) is mounted through the mounting hole (201);

the side surface of the insert (3) is provided with a mounting pin hole (301), the lower surface of the insert (3) is provided with a wedge-shaped channel (302), the side surface of the die core (2) is provided with two through jacks (202), and the two through jacks (202) respectively correspond to the mounting pin hole (301) and the wedge-shaped channel (302);

two bolt holes (101) are formed in the side face of the template (1), and the two bolt holes (101) correspond to the positions of the two through jacks (202) respectively; the positioning pin rod (4) is inserted into the pin hole (101), the end part of the positioning pin rod (4) is inserted into the mounting pin hole (301) through the insertion hole (202), the insert (3) is fixed, and when the positioning pin rod (4) is inserted into the wedge-shaped groove (302) through the other pin hole (101), the insert (3) is jacked upwards, so that the insert (3) is detached;

the side of the template (1) is provided with a sinking groove (102), and a pressing plate (103) is connected in the sinking groove (102) and used for limiting the axial position of the positioning pin rod (4) through the pressing plate (103).

2. The injection mold insert mounting structure convenient to replace according to claim 1, wherein the mounting hole (201) is of an inverted circular truncated cone structure, and the insert (3) is of an inverted circular truncated cone structure matched with the mounting hole.

3. The mounting structure of the injection mold insert convenient to replace according to claim 2, wherein a positioning key groove (203) communicated with the mounting hole (201) is formed in the lower surface of the mold insert (2), and a positioning key (204) is arranged in the positioning key groove (203);

the insert (3) is provided with a flat cutting surface (303) matched with the positioning key (204) and is used for positioning the position of the insert (3) in the circumferential direction through the positioning key (204).

4. A mounting structure for an injection mold insert for easy replacement according to claim 1, 2 or 3, wherein the mounting pin hole (301) has a circular truncated cone-shaped hole structure, and the end of the positioning pin (4) has a conical structure which is matched with the mounting pin hole (301).

5. The injection mold insert mounting structure convenient to replace according to claim 1, wherein a retaining ring (401) is arranged at a section of the locating pin rod (4) close to the pressing plate (103), and the pressing plate (103) is provided with a through hole in clearance fit with the locating pin rod (4) for abutting against the retaining ring (401) through the side surface of the pressing plate (103) to limit the axial position of the locating pin rod (4).

6. The insert mounting structure for an injection mold convenient to replace according to claim 1, wherein the end of the dowel pin (4) is of a spherical structure.