O-shaped ring freezing mold structure

Abstract

The utility model discloses an O-shaped ring freezing mould structure, which relates to the technical field of moulds and comprises a first mould plate, a second mould plate and a plurality of forming parts, a plurality of mutually corresponding mounting grooves are arranged on opposite sides of the first mould plate and the second mould plate, a plurality of first stroke cylinders are arranged between the first mould plate and the second mould plate, and a plurality of second stroke cylinders are arranged between the second mould plate and the first stroke cylinders. The forming part comprises a first sub-mold and a second sub-mold, mold cavities are formed in the opposite sides of the first sub-mold and the second sub-mold, a plurality of top grooves are formed in the opposite sides of the first sub-mold and the second sub-mold, and the top grooves are distributed in the sides of the corresponding mold cavities. According to the method, the convenience and high quality of trimming the O-shaped ring through freezing trimming are utilized, the O-shaped ring can be conveniently taken out from a formed part while the integrity of the O-shaped ring in the forming process is kept, and therefore the production efficiency and quality of products can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is O type ring frozen mould structure. BACKGROUND

[0002] O type ring is a kind of rubber sealing ring with circular section, because cheap, manufacture is simple, function is reliable, and installation requirement is simple, therefore is widely manufactured and used;

[0003] When the production quantity of O type ring is more, for the burr, flash of O type ring side edge and so on, the existing technology can use frozen trimming technology to handle;

[0004] Through the search, China patent (announcement number:CN220280343U) discloses a kind of O type ring frozen mould insert structure mould, the patent includes lower die plate two and upper die plate two, lower die plate two is equipped with lower backing plate, upper die plate two top end is equipped with upper backing plate, lower die plate two is provided with several lower die grooves, upper die plate two is provided with several upper die grooves, and adjacent lower die groove and upper die groove can be detachably installed with forming piece.

[0005] In the prior art, when producing O type ring, O type ring needs to be separated from mould conveniently, therefore, how to combine the production of O type ring with frozen trimming technology is one of the improvement directions of O type ring, therefore, the utility model provides O type ring frozen mould structure. INVENTION CONTENTS

[0006] The utility model provides O type ring frozen mould structure.

[0007] The utility model solves the technical problem as follows: how to combine the production of O type ring with frozen trimming technology to improve the production quality and efficiency of O type ring.

[0008] The utility model can be implemented by the following technical scheme: O type ring frozen mould structure, including first template, second template and multiple forming pieces, the opposite side of first template and second template is all set with multiple mutually corresponding installation grooves, and the both ends of each forming piece are installed in the corresponding installation groove in first template and second template respectively;

[0009] Multiple first stroke cylinders are installed between the first template and the second template, and multiple guide rail columns are fixedly connected to the first template towards the second template, each first stroke cylinder drives the second template to slide along each guide rail column after starting;

[0010] The forming piece includes first sub-mould and second sub-mould, the opposite side of first sub-mould and second sub-mould is all set with mould cavity, and two groups of mould cavities are combined to form the area of O type ring forming;

[0011] The first sub-mold and the second sub-mold are provided with a plurality of top grooves on the opposite side, each top groove is distributed on the side of the corresponding mold cavity and is communicated with the mold cavity, after the O-shaped ring is formed, the protruding part can be formed on the side of the O-shaped ring through each mold cavity, which facilitates the disassembly of the O-shaped ring and the formed part, and the protruding part can be removed during subsequent frozen trimming;

[0012] The second sub-mold is provided with a jacking structure inside, the jacking structure extends to the side of each top groove in the second sub-mold, and after the O-shaped ring is formed, the jacking structure separates the O-shaped ring from the formed part through the protruding part of the O-shaped ring;

[0013] The side plate is provided with a pushing assembly on the side facing the first mold plate, and the pushing assembly is used for contacting each jacking structure.

[0014] Further technical improvements of the utility model lie in that the number of top grooves on the same side of the mold cavity is not less than three groups, and a plurality of top grooves are equidistantly distributed on the side of the corresponding mold cavity, which can improve the contact quality when the jacking structure contacts the protruding part of the O-shaped ring.

[0015] Further technical improvements of the utility model lie in that the jacking structure comprises a frame body, the frame body extends to the outside of the second sub-mold on the side away from the first sub-mold, and a plurality of jacking rods are fixedly connected to the other side of the frame body and extend to the side of each top groove in the second sub-mold.

[0016] Further technical improvements of the utility model lie in that a plurality of elastic members are fixedly connected between the frame body and the second sub-mold, and each elastic member keeps each jacking rod on the side of the corresponding top groove when the frame body is not subjected to external force.

[0017] Further technical improvements of the utility model lie in that the pushing assembly comprises a plurality of second stroke air cylinders connected with the side plate, the output end of each second stroke air cylinder faces the first mold plate, and a contact plate is mounted.

[0018] Further technical improvements of the utility model lie in that the side of the frame body extending to the outside of the second sub-mold is provided with a magnetic part.

[0019] Further technical improvements of the utility model lie in that the contact plate is provided with an electromagnetic assembly on the side facing the first mold plate, the electromagnetic assembly generates magnetism after being started, and the frame body and the jacking rods on the side of the frame body are fixed through the magnetic parts of each frame body.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] The application can conveniently take out the O-shaped ring from the forming piece while maintaining the integrity of the O-shaped ring during forming, thereby improving the production efficiency and quality of products. BRIEF DESCRIPTION OF DRAWINGS

[0022] For the convenience of those skilled in the art, the present application will be further described below in conjunction with the drawings.

[0023] Figure 1 The structure of the present application is shown in the figure;

[0024] Figure 2 The top view of the first mold plate in the present application is shown in the figure;

[0025] Figure 3 The cross-sectional view of the forming piece in the present application is shown in the figure;

[0026] Figure 4 The top view of the second sub-mold in the present application is shown in the figure;

[0027] In the figure: 1, first mold plate; 2, second mold plate; 3, forming piece; 4, first stroke cylinder; 5, guide rail column; 6, side plate; 7, pushing assembly; 71, second stroke cylinder; 72, contact plate; 101, mounting groove; 31, first sub-mold; 32, second sub-mold; 33, mold cavity; 34, top groove; 35, frame body; 36, top rod. DETAILED DESCRIPTION

[0028] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the present application are described in detail as follows in conjunction with the drawings and preferred embodiments.

[0029] Please refer to Figures 1-4 As shown in the figure, the O-shaped ring freezing mold structure comprises a first mold plate 1, a second mold plate 2 and a plurality of forming pieces 3, the first mold plate 1 and the second mold plate 2 are provided with a plurality of mutually corresponding mounting grooves 101 on the opposite sides, and the two ends of each forming piece 3 are respectively installed in the corresponding mounting grooves 101 of the first mold plate 1 and the second mold plate 2, and the installation method is the same as that of the Chinese patent with publication number CN220280343U;

[0030] A plurality of first stroke cylinders 4 are installed between the first mold plate 1 and the second mold plate 2, and a plurality of guide rail columns 5 are fixedly connected to the first mold plate 1 towards the second mold plate 2, and each first stroke cylinder 4 drives the second mold plate 2 to slide along each guide rail column 5 after being started;

[0031] The forming piece 3 includes a first sub-mold 31 and a second sub-mold 32, and the opposite sides of the first sub-mold 31 and the second sub-mold 32 are provided with mold cavities 33, and the two groups of mold cavities 33 are combined to form an O-shaped ring forming area, and the injection structure is arranged between each first sub-mold 31 and the first mold plate 1, and the injection structure in the first sub-mold 31 is aligned after the first sub-mold 31 and the first mold plate 1 are assembled.

[0032] A plurality of top grooves 34 are arranged on the opposite sides of the first sub-mold 31 and the second sub-mold 32, each top groove 34 is arranged on one side of the corresponding mold cavity 33 and communicates with the mold cavity 33, four groups of top grooves 34 are arranged on one side of the same mold cavity 33, and the top grooves 34 are equidistantly arranged on one side of the corresponding mold cavity 33, so that the contact quality is improved when the subsequent jacking structure contacts the protruding part of the O-shaped ring.

[0033] After the O-shaped ring is formed, the protruding part can be formed on the side of the O-shaped ring through each mold cavity 33, so that the O-shaped ring and the forming piece 3 are conveniently disassembled, and the protruding part can be removed during subsequent freezing trimming;

[0034] The jacking structure is arranged in the second sub-mold 32 and extends to one side of each top groove 34 in the second sub-mold 32, and the jacking structure separates the O-shaped ring from the forming piece 3 through the protruding part of the O-shaped ring after the O-shaped ring is formed;

[0035] The side plate 6 is fixedly connected to the side of the first mold plate 1 away from the second mold plate 2, the push assembly 7 is arranged on the side of the side plate 6 facing the first mold plate 1, and the push assembly 7 is used to contact each jacking structure.

[0036] Referring to Figure 3 The jacking structure includes a frame body 35, the frame body 35 extends to the outside of the second sub-mold 32 away from the first sub-mold 31, and a plurality of jacking rods 36 are fixedly connected to the other side of the frame body 35, and each jacking rod 36 extends to one side of each top groove 34 in the second sub-mold 32.

[0037] The side of the frame body 35 extending to the outside of the second sub-mold 32 is provided with a magnetic part.

[0038] The push assembly 7 includes a plurality of second stroke air cylinders 71 connected to the side plate 6, the output end of each second stroke air cylinder 71 faces the first mold plate 1, and a contact plate 72 is arranged on the output end.

[0039] The side of the contact plate 72 facing the first mold plate 1 is provided with an electromagnetic assembly, the electromagnetic assembly generates magnetism after being started, and the frame body 35 and the jacking rods 36 on the side of the frame body 35 are fixed through the magnetic part of each frame body 35.

[0040] When the utility model is used:

[0041] The first sub-mold 31 and the second sub-mold 32 in the forming piece 3 are respectively installed on the first mold plate 1 and the second mold plate 2;

[0042] During injection molding, the first mold plate 1 and the second mold plate 2 are folded, the corresponding first sub-mold 31 and the second sub-mold 32 in the forming piece 3 are folded, and the two groups of cavities 33 and the top grooves 34 in the first sub-mold 31 and the second sub-mold 32 are aligned, and then injection molding is performed;

[0043] After the O-ring is formed, the second mold plate 2 is separated from the first mold plate 1 by the first stroke cylinder 4, so as to drive the first sub-mold 31 and the second sub-mold 32 in each forming piece 3 to be separated, and then the second stroke cylinder 71 is started to drive the contact plate 72 to move;

[0044] After the contact plate 72 moves, each ejector rod 36 on the side of the frame body 35 is driven to move, and each ejector rod 36 is moved out of the corresponding top groove 34 and contacts each protruding part of the O-ring, so as to push the O-ring out of the cavity 33;

[0045] After each O-ring is collected, the O-ring is processed by freezing and trimming.

[0046] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application. Any simple modification, equivalent change and modification of the above embodiment, which does not depart from the technical solution of the present application, is still within the scope of the present application.

Claims

1. An O-ring freezing mold structure, comprising a first template (1), a second template (2), and multiple molding parts (3), wherein multiple corresponding mounting slots (101) are provided on opposite sides of the first template (1) and the second template (2), and multiple first-stroke cylinders (4) are installed between the first template (1) and the second template (2), wherein the molding parts (3) include a first sub-mold (31) and a second sub-mold (32), characterized in that: The first sub-mold (31) and the second sub-mold (32) each have a mold cavity (33) and multiple top grooves (34) on opposite sides, and each top groove (34) is distributed on one side of the corresponding mold cavity (33); The second sub-mold (32) is equipped with a lifting structure inside, which extends to one side of each top groove (34) in the second sub-mold (32); A side plate (6) is fixedly connected to the side of the first template (1) facing away from the second template (2). A pushing component (7) is installed on the side of the side plate (6) facing the first template (1). The pushing component (7) is used to drive each lifting structure to move.

2. The O-ring freezing mold structure according to claim 1, characterized in that, The first template (1) is fixedly connected to the second template (2) by multiple guide rail posts (5). The second template (2) slides along each guide post (5).

3. The O-ring freezing mold structure according to claim 1, characterized in that, The number of top grooves (34) on the side of the same mold cavity (33) is not less than three sets, and the multiple top grooves (34) are equidistantly distributed on one side of the corresponding mold cavity (33).

4. The O-ring freezing mold structure according to claim 1, characterized in that, The lifting structure includes a frame (35), which extends from the side facing away from the first sub-mold (31) to the outside of the second sub-mold (32), and a plurality of top rods (36) are fixedly connected to the other side of the frame (35), each top rod (36) extending to one side of each top groove (34) in the second sub-mold (32).

5. The O-ring freezing mold structure according to claim 4, characterized in that, The pushing assembly (7) includes a plurality of second-stroke cylinders (71) connected to the side plate (6), the output end of each second-stroke cylinder (71) facing the first template (1) and equipped with a contact plate (72).

6. The O-ring freezing mold structure according to claim 5, characterized in that, The frame (35) and the second sub-mold (32) are fixedly connected by multiple elastic elements.

7. The O-ring freezing mold structure according to claim 6, characterized in that, The frame (35) extends to the outer side of the second sub-mold (32) and has a magnetic part on one side; The contact plate (72) is provided with an electromagnetic component on the side facing the first template (1).

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