CN210362264U

CN210362264U - Multipoint supporting structure of arc-shaped injection molding piece

Info

Publication number: CN210362264U
Application number: CN201921216983.7U
Authority: CN
Inventors: 顾小美
Original assignee: Suzhou Sanxie Photoelectric Technology Co Ltd
Current assignee: Suzhou Sanxie Photoelectric Technology Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-21
Anticipated expiration: 2029-07-30

Abstract

The utility model provides a multiple spot bearing structure of arc injection molding, at first the die holder has been set up, the constant head tank has been seted up to its intermediate position, install two first bracing pieces and two second bracing pieces in the constant head tank, first bracing piece movable mounting is in the bottom of constant head tank, second bracing piece fixed mounting is in the bottom of constant head tank and the bottom of perpendicular to constant head tank, the relative both ends face of mould benevolence all is the arcwall face, the middle part of mould benevolence is equipped with two spacing portions, two first bracing pieces support respectively on two arcwall faces, two second bracing pieces support respectively on two spacing portions. The utility model discloses compare in prior art and make special-shaped mould benevolence obtain stable location effect through multiple spot bearing structure.

Description

Multipoint supporting structure of arc-shaped injection molding piece

Technical Field

The utility model relates to a 3C product shell injection mold particularly, relates to a multiple spot bearing structure of arc injection molding.

Background

The injection molding is a method for producing and molding industrial products, the products generally use rubber injection molding and plastic injection molding, the rubber injection molding is a production method for directly injecting rubber material into a mold from a cylinder for vulcanization, and the rubber injection molding has the advantages that: although the method is intermittent, the forming period is short, the production efficiency is high, the blank preparation process is omitted, the labor intensity is low, and the product quality is excellent; plastic injection molding is a method for plastic products, which comprises injecting molten plastic into a plastic product mold by pressure, cooling and molding to obtain various plastic parts, and is a mechanical injection molding machine specially used for injection molding, wherein the plastic used most commonly at present is polystyrene.

In the injection molding process, the mold core can be closed and injected after being positioned, and certain special-shaped molds are difficult to position through a common positioning mechanism, so that a multi-point positioning mode is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a multipoint support structure of arc injection molding makes special-shaped mold benevolence obtain stable location effect through multipoint support structure.

Therefore, the utility model provides a multiple spot bearing structure of arc injection molding, at first, the die holder has been set up, the constant head tank has been seted up to its middle position, install two first bracing pieces and two second bracing pieces in the constant head tank, first bracing piece movable mounting is in the bottom of constant head tank, second bracing piece fixed mounting is in the bottom of constant head tank and the bottom of perpendicular to constant head tank, the relative both ends face of mould benevolence all is the arcwall face, the middle part of mould benevolence is equipped with two spacing portions, two first bracing pieces support respectively on two arcwall faces, two second bracing pieces support respectively on two spacing portions.

Further, the bottom of the first supporting rod is hinged to the bottom of the positioning groove.

Furthermore, the bottom of constant head tank is equipped with the fixed plate, installs the pivot on the fixed plate, and the bottom of first bracing piece articulates in the pivot.

Furthermore, two opposite sides of the first supporting rod are respectively provided with a limiting plate.

Furthermore, the bottom of the positioning groove is fixedly provided with a fastening part, and the bottom of the second supporting rod is fixedly arranged in the fastening part.

Further, the fastening part comprises two fixing blocks, and the second supporting rod is positioned between the two fixing blocks.

The utility model provides a multipoint support structure of arc injection molding has mainly set up two first bracing pieces and two second bracing pieces, and first bracing piece is used for supporting the both ends of mould benevolence, because the both ends face of mould benevolence is the arcwall face, therefore the top end face of first bracing piece also is the arcwall face, and the second bracing piece plays the effect at support mould benevolence middle part, further improves the stability of location.

Therefore, compared with the prior art, the structure has the following advantages:

1. the positioning efficiency of the die core is improved.

2. The positioning stability of the die core is improved.

3. Simple structure and long service life.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a structural schematic diagram of a multipoint support structure of an arc injection molding provided by an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 and 2, the multi-point supporting structure of the arc injection molding member according to an embodiment of the present invention is shown, the lower mold base 1 is first disposed, the positioning groove 11 is disposed at the middle position of the lower mold base, two first supporting rods 111 and two second supporting rods 112 are installed in the positioning groove 11, the first supporting rods 111 are movably installed at the bottom of the positioning groove 11, the second supporting rods 112 are fixedly installed at the bottom of the positioning groove 11 and perpendicular to the bottom of the positioning groove 11, the two opposite end faces of the mold core 2 are both arc faces 21, the middle portion of the mold core 2 is provided with two limiting portions 22, the two first supporting rods 111 respectively support the two arc faces 21, and the two second supporting rods 112 respectively support the two limiting portions 22.

Referring to fig. 1 and 2, the bottom of the first support rod 111 is hinged to the bottom of the positioning slot 11, a fixing plate 113 is disposed at the bottom of the positioning slot 11, a rotating shaft is mounted on the fixing plate 113, the bottom of the first support rod 111 is hinged to the rotating shaft, two limiting plates 114 are respectively disposed on two opposite sides of the first support rod 111, a fastening component 12 is fixedly mounted at the bottom of the positioning slot 11, the bottom of the second support rod 112 is fixedly mounted in the fastening component 12, the fastening component 12 includes two fixing blocks 121, and the second support rod 112 is positioned between the two fixing blocks 121.

1. the positioning efficiency of the die core is improved.

2. The positioning stability of the die core is improved.

3. Simple structure and long service life.

Example two:

referring to fig. 1 and fig. 2, a multipoint supporting structure of an arc-shaped injection molding part provided by the second embodiment of the present invention is shown in the drawings, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiments: locating slot 11 has been seted up to the intermediate position of die holder 1, install two first bracing pieces 111 and two second bracing pieces 112 in the locating slot 11, first bracing piece 111 movable mounting is in the bottom of locating slot 11, and mould benevolence 2's relative both ends face all is arcwall face 21, and on two first bracing pieces 111 supported two arcwall faces 21 respectively, the top end face of bracing piece 111 was the rubber face for arc convex surface and arc convex surface, and then improved the pretightning force of contact surface.

Example three:

referring to fig. 1 and fig. 2, a multipoint supporting structure of an arc-shaped injection molding part provided by a third embodiment of the present invention is shown in the drawings, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiments: the second support rod 112 is fixedly installed at the bottom of the positioning groove 11 and perpendicular to the bottom of the positioning groove 11, two limiting portions 22 are arranged in the middle of the mold core 2, the two second support rods 112 respectively abut against the two limiting portions 22, each limiting portion 22 comprises a stepped surface and a rectangular plate, the top end of the second support rod 112 is positioned between the stepped surface and the rectangular plate, and the specific structure of the limiting portion 22 is flexibly selected according to the actual mold core structure.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A multipoint support structure of an arc-shaped injection molding part, comprising:

the middle position of the lower die holder (1) is provided with a positioning groove (11), two first support rods (111) and two second support rods (112) are mounted in the positioning groove (11), the first support rods (111) are movably mounted at the bottom of the positioning groove (11), and the second support rods (112) are fixedly mounted at the bottom of the positioning groove (11) and are perpendicular to the bottom of the positioning groove (11);

the mold comprises a mold core (2), wherein two opposite end faces of the mold core (2) are arc-shaped faces (21), two limiting parts (22) are arranged in the middle of the mold core (2), the two first supporting rods (111) respectively abut against the two arc-shaped faces (21), and the two second supporting rods (112) respectively abut against the two limiting parts (22).

2. The multipoint support structure of an arc injection molded part according to claim 1, characterized in that the bottom of said first support rod (111) is hinged to the bottom of said positioning slot (11).

3. The multipoint support structure of the arc-shaped injection molding part according to claim 2, wherein a fixed plate (113) is arranged at the bottom of the positioning groove (11), a rotating shaft is mounted on the fixed plate (113), and the bottom of the first support rod (111) is hinged to the rotating shaft.

4. The multi-point support structure of curved injection-molded parts according to claim 2, wherein the first support rod (111) is provided with a limit plate (114) at each of opposite sides thereof.

5. The multipoint support structure of a curved injection-molded part according to claim 1, characterized in that the bottom of the positioning slot (11) is fixedly mounted with a fastening part (12), and the bottom of the second support rod (112) is fixedly mounted in the fastening part (12).

6. The multipoint support structure of an arc-shaped injection-molded part according to claim 5, wherein said fastening part (12) comprises two fixing blocks (121), and said second support bar (112) is positioned between said two fixing blocks (121).