CN201249499Y - Mould structure - Google Patents

Abstract

The utility model provides a mold structure. The structure at least includes: a first fixing plate, a stripping plate, a female template, a male template, a limiting plate, a positioning plate, and a second fixing plate in sequence. The structure also includes: A first pull rod, which is arranged on the first fixing plate; a first elastic device, which is arranged on the above-mentioned female template; a first shutter, which is arranged on the side of the male template close to the female template ; a second elastic device, which is located on the above-mentioned limiting plate; a number of positioning blocks, which is located on the above-mentioned limiting plate; a sleeve, which is located on the above-mentioned positioning plate, and a core pulling shaft is arranged in the sleeve , the sleeve is provided with a number of chute, the positioning block through the chute, fixed on the core pulling shaft; a second pull rod, which is set on the limit plate; a third pull rod, which is set On the above-mentioned positioning plate; a fourth pull rod, which is arranged on the above-mentioned positioning plate.

Description

Mold structure

【Technical field】

The utility model relates to a mold structure, in particular to a mold structure which is applied to forced demoulding and requires sequential mold opening.

【Background technique】

In recent years, with the wide application of plastic products, my country's mold technology has made great progress, and the level of mold design and manufacturing has been greatly improved, and it has become an indispensable and important part of industrial production. In the production process of plastic products, the most important thing is the design of the mold. There is an existing mold mechanism, which is equipped with many templates: a stripping plate, a female template, and a male template. The mold opening is complicated. The sequence is to use a pull bar to separate the stripping plate from the female template, and then separate the female template from the male template. , but for this mold opening process, it cannot be applied to some special product structures. As shown in FIG. 1 , it is a structural schematic diagram of a product 1 with a barb 2 structure, which cannot be formed by using the above-mentioned simple mold opening structure.

【Content of invention】

The purpose of the utility model is to provide a mold structure, especially a mold structure that is applied to forced demoulding and requires sequential mold opening.

The utility model provides a mold structure, which is suitable for the mold structure which is forced to demould and requires sequential mold opening. The mold structure at least includes: first fixing plate, stripping plate, female template, male template, limiter plate, positioning plate, second fixed plate, the structure includes:

A first pull rod, which is located on the above-mentioned first fixing plate, a first top cap is provided on one end of the first pulling rod, and a distance is provided between the first top cap and the side of the first fixing plate close to the stripping plate, The first pull rod passes through the stripping plate, the female template, and the male template in turn, and penetrates into the limiting plate, and a first pull cap is provided on one end of the female template;

A first elastic device, which is arranged on the side of the above-mentioned master template close to the above-mentioned stripping plate;

A first shutter, which is located on the side of the male formwork close to the female formwork;

A second elastic device, which is arranged on the side of the limiting plate close to the above-mentioned positioning plate;

a plurality of positioning blocks, which are arranged on the above-mentioned limiting plate;

A sleeve, which is arranged on the above-mentioned positioning plate, and a core-pulling shaft is arranged in the sleeve, and the core-pulling shaft and the sleeve can slide freely relative to each other. The sleeve and the core-pulling shaft pass through the above-mentioned limiting plate respectively, Entering into the male formwork, contacting the above-mentioned finished product, the sleeve is provided with a number of chute relative to the limit plate, the above-mentioned positioning block passes through the chute, and is fixed on the core-pulling shaft;

A second pull rod, which is arranged on the above-mentioned limit plate, the second pull rod penetrates into the above-mentioned male template, and a second pull cap is arranged on the second pull rod;

A third pull rod, which is arranged on the above-mentioned positioning plate, the third pull rod passes through the positioning plate, the limit plate, and the male template in turn, and a second switch is provided on the end passing through the male template, the second switch The other end of the device is fixed on the master template;

A fourth pull rod, which is located on the above-mentioned positioning plate, the fourth pull rod passes through the limit plate, penetrates into the above-mentioned male template, and a fourth pull cap is provided on the end of the fourth pull rod that penetrates into the male template. The distance from the fourth pull cap to the limit plate is equal to the length of the chute on the sleeve during the mold clamping state.

Compared with the prior art, the mold structure of the utility model is equipped with a plurality of pull rods, sleeves, core pulling shafts and other structures, so that after the product with the barb is formed, the mold is forced to be demoulded, and the mold is opened sequentially to ensure that the product The shape does not change, and it is easy to eject.

【Description of drawings】

Figure 1 is a schematic diagram of the structure of a product with a barb structure.

Fig. 2 is a schematic diagram of the first cross-sectional structure of the utility model when the mold structure is in a closed state.

Fig. 3 is a schematic diagram of the second cross-sectional structure of the mold structure of the present invention in a closed state.

Fig. 4 is a schematic diagram of the first cross-sectional structure of the mold structure of the present invention when the mold is opened.

Fig. 5 is a schematic diagram of the second cross-sectional structure of the mold structure of the present invention when the mold is opened.

【Detailed ways】

Referring to Fig. 2, Fig. 3, Fig. 4, and Fig. 5, they are respectively a schematic diagram of the first sectional structure when the mold structure of the utility model is in the mold closing state, a schematic diagram of the second sectional structure when the mold structure of the utility model is in the mold closing state, and the utility model The schematic diagram of the first cross-sectional structure of the mold structure in the mold-opening state, and the second cross-sectional structural diagram of the utility model in the mold-opening state of the mold structure.

The utility model provides a mold structure, which comprises:

One stripping plate 20, one side is provided with a first fixed plate 10, and this first fixed plate 10 is provided with a first pull bar 11, and this first pull bar 11 one end is provided with a first top cap 12, and this first top The cap 12 is provided with a certain distance from the side near the stripping plate 20 on the first fixing plate 10;

A mother template 30, which is arranged on the other side of the stripping plate 20, the master template 30 is provided with a first elastic device 31, the first elastic device 31 is in contact with the stripping plate 20, in this embodiment, The first elastic device 31 is a spring pressed in the master template 30;

A male template 40, which is located on the side of the above-mentioned female template 30 away from the stripping plate 20, on the male template 40 is provided with a first shutter 41 on the side close to the female template 30, the first shutter 41 protruding one end is fixed on the above-mentioned mother template 30;

A limiting plate 50, which is arranged on the side of the above-mentioned male template 40 away from the female template 30, a second elastic device 51 is provided on the side of the limiting plate 50 away from the male template 40, in this embodiment, the The second elastic device 51 is a spring pressed in the limiting plate 50, and the limiting plate 50 is provided with a plurality of positioning blocks 52. In this embodiment, there are two positioning blocks 52, and the above-mentioned first pull rod 11 is in turn Pass through the stripping plate 20, the female template 30, the male template 40, and penetrate into the limiting plate 50. One end of the limiting plate 50 is provided with a first pull cap 13. When the mold is opened, the first A pull cap 13 slides in the above-mentioned limiting plate 50 and the male template 40 and pulls the above-mentioned female template 30, the limiting plate 50 is provided with a second pull rod 53, and the second pull rod 53 penetrates the above-mentioned male template 40, the A second pull cap 54 is provided on the second pull rod 53, and the second pull cap 54 pulls the male template 40 when the mold is opened;

A positioning plate 60, which is located on the side of the above-mentioned limiting plate 50 away from the male template 40, the positioning plate 60 is provided with a sleeve 61 fixed on the positioning plate 60, and the sleeve 61 is provided with a core pulling Shaft 62, the core-pulling shaft 62 is relatively slidable with the sleeve 61, the sleeve 61 and the core-pulling shaft 62 respectively pass through the above-mentioned limiting plate 50, penetrate into the male template 40, and contact the above-mentioned formed product, the sleeve The barrel 61 is provided with a number of chute 63 relative to the limiting plate 50, the positioning block 52 passes through the chute 63, and is fixed on the core pulling shaft 62. In this embodiment, the chute 63 is two , the positioning plate 60 is provided with a third pull rod 64, which passes through the limiting plate 50 and the male template 40 in turn, and is provided with a second shutter 65 on one end passing through the male template 40, the second shutter 65 The other end is fixed on the female template 30. In addition, the positioning plate 50 is provided with a fourth pull rod 66. The fourth pull rod 66 passes through the limiting plate 50, penetrates into the above-mentioned male template 40, and penetrates into the male template 40. One end of the fourth pull rod 66 in the template 40 is provided with a fourth pull cap 67. When the mold is closed, the distance from the fourth pull cap 67 to the limit plate 50 is equal to the length of the chute 63 on the sleeve 61;

A second fixing plate 70 is disposed on a side of the positioning plate 60 away from the limiting plate 50 .

After the plastic product is molded, the first fixing plate 10 and the second fixing plate 70 move in a direction away from each other, and at this time, the master template 30 and the stripping plate 20 are bounced off by the first elastic device 31 on the master template 30; The first pull cap 13 on the first pull rod 11 contacts the master template 30, and the first top cap 12 moves in a direction close to the stripping plate 20, and the above-mentioned first fixing plate 10 is separated from the stripping plate 20; when the first fixing plate 10 and the second fixed plate 70 continue to move in the direction of separation, the second shutter 65 on the third pull rod 64 is opened, and the above-mentioned limiting plate 50 and the positioning plate 60 are moved by the second elastic device 51 on the limiting plate 50 bounce, the positioning block 52 slides in the direction away from the positioning plate 60 in the chute 63; when the positioning block 52 contacts the side of the chute 63 on the sleeve 61 away from the positioning plate 60, the fourth pull cap 67 contacts the The limiting plate 50, the positioning plate 60 pulls the limiting plate 50 through the fourth pull cap 67 on the fourth pull rod 66, the sleeve 61 and the core pulling shaft 62 move together with the positioning plate 60, the limiting plate 50 Separated from the male template 40, the second pull rod 53 on the limiting plate 50 slides in the male template 40; at this time, the first shutter 41 on the male template 40 is opened, and the second pull rod 53 passes through the second pull cap 54 pulls the male template 40, the male template 40 is separated from the female template 30, and the mold opening of the above-mentioned mold is completed.

Claims (3)

1. A mold structure, which is suitable for forced demoulding and requires sequential mold opening. The mold structure includes: first fixing plate, stripping plate, female template, male template, limiting plate, positioning plate, the second fixed plate, characterized in that the structure comprises: A first pull rod, which is located on the above-mentioned first fixing plate, a first top cap is provided on one end of the first pulling rod, and a distance is provided between the first top cap and the side of the first fixing plate close to the stripping plate, The first pull rod passes through the stripping plate, the female template, and the male template in turn, and penetrates into the limiting plate, and a first pull cap is provided on one end of the female template; A first elastic device, which is arranged on the side of the above-mentioned master template close to the above-mentioned stripping plate; A first shutter, which is located on the side of the male formwork close to the female formwork; A second elastic device, which is arranged on the side of the above-mentioned limiting plate close to the above-mentioned positioning plate; a plurality of positioning blocks, which are arranged on the above-mentioned limiting plate; A sleeve, which is arranged on the above-mentioned positioning plate, and a core-pulling shaft is arranged in the sleeve, and the core-pulling shaft and the sleeve can slide freely relative to each other. The sleeve and the core-pulling shaft pass through the above-mentioned limiting plate respectively, Entering into the male formwork, contacting the above-mentioned finished product, the sleeve is provided with a number of chute relative to the limit plate, the above-mentioned positioning block passes through the chute, and is fixed on the core-pulling shaft; A second pull rod, which is arranged on the above-mentioned limit plate, the second pull rod penetrates into the above-mentioned male template, and a second pull cap is arranged on the second pull rod; A third pull rod, which is arranged on the above-mentioned positioning plate, the third pull rod passes through the positioning plate, the limit plate, and the male template in sequence, and a second switch is provided on one end of the male template, the second switch The other end of the device is fixed on the master template; A fourth pull rod, which is located on the above-mentioned positioning plate, the fourth pull rod passes through the limit plate, penetrates into the above-mentioned male template, and is provided with a fourth pull cap on one end of the fourth pull rod in the male template. The distance from the fourth pull cap to the limit plate is equal to the length of the chute on the sleeve during the mold clamping state. 2. The mold structure according to claim 1, wherein the first elastic device and the second elastic device are two springs respectively. 3. The mold structure according to claim 1, characterized in that there are two positioning blocks and two sliding grooves.

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