CN218700960U

CN218700960U - Optical precision plastic part capable of being cut in mold

Info

Publication number: CN218700960U
Application number: CN202222996787.4U
Authority: CN
Inventors: 马小亮; 黄燕
Original assignee: Guangdong Xuying Intelligent Technology Co ltd
Current assignee: Guangdong Xuying Intelligent Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-24
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a can carry out accurate plastic part of optics of shearing in mould relates to plastic part production technical field, including base frame and mould shearing assembly in the mould, base frame top middle-end fixed mounting has the mould shearing assembly in that is used for the excessive limit to get rid of, mould shearing assembly includes quiet die holder, module, perforation, sleeve, shears sword and spring in the mould, quiet die holder top middle-end fixed mounting has the module, and is located module root bilateral symmetry and has seted up the perforation, perforation bottom hole terminal surface department fixed mounting has the sleeve, and the sleeve is inside to run through and be equipped with the sword that shears that slides in the perforation, it laminates mutually with module root to shear the sword facet. The application provides a can carry out the accurate plastic part of optics of shearing in mould not only can be so that ejecting product and mouth of a river separation, ensure that the product can not have the mouth of a river to remain, still do not influence the normal drawing of patterns between product and the mould, avoid taking place the adhesion between product and the mould, and then influence drawing of patterns effect.

Description

Optical precision plastic part capable of being cut in mold

Technical Field

The utility model relates to a plastic part production technical field specifically is an optical precision plastic part that can carry out the mould internal shear.

Background

When carrying out the design and the production of the accurate plastic part mould of optics, the normal way is that the mouth of a river links together with the product, and the rethread manual shearing after the product shaping is ejecting gets off, and the product is come out or semi-manufactured goods promptly, needs the manual work to separate product and mouth of a river, and both extravagant manpower like this can lead to the product quality unstability again, and its whole manufacture process is wasted time, hard, still can lead to the defective rate increase of product.

For example, patent document No. cn201720247066.X discloses an optical precision plastic part capable of being subjected to in-mold shearing. The utility model discloses a can carry out the accurate plastic part of optics of interior shearing of mould, it cuts off the mouth of a river through the shearing section that leans on into the jiao kou lower extreme for ejecting product and mouth of a river separation, product and the higher authority can not have into jiao kou like this and remain, but the mouth of a river separation mode that the comparison file is shown can make plastic part and mouth of a river separation, though very easily cause plastic part finished product card on the mould, influence drawing of patterns flow.

In view of the above, an optical precision plastic part capable of being cut in a mold is proposed by improving the conventional structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can carry out the accurate plastic part of optics of shearing in the mould to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: including base frame and mould shearing assembly in, base frame top middle end fixed mounting has the mould shearing assembly in that is used for the excessive limit to get rid of, mould shearing assembly includes quiet die holder, module, perforation, sleeve, shears sword and spring in the mould, quiet die holder top middle end fixed mounting has the module, and lies in module root bilateral symmetry and has seted up the perforation, perforation bottom hole terminal surface department fixed mounting has the sleeve, and the sleeve is inside to run through to be equipped with and slides in the interior sword that shears of perforation, shear the sword cutting edge face and the laminating of module root mutually, and shear the sword middle part cover and be equipped with the spring.

Further, the shearing assembly in the die further comprises an inner cavity and a convex block, the inner cavity is formed in the static die holder, and the convex blocks are fixedly mounted at corners of two sides of the top of the inner cavity.

Further, the shearing module in the mould still includes cylinder and slide, inner chamber bottom fixed mounting has the cylinder, and cylinder top output fixed mounting has the slide.

Further, the shearing module in the mould still includes thimble, rotation seat and V-arrangement round pin, slide middle part is arranged there are three thimbles, and the thimble runs through inside the module, slide both sides fixed mounting has the rotation seat, and rotates the inside rotation of seat and install the V-arrangement round pin.

Further, bottom table top both sides fixed mounting has the spliced pole, and the terminal fixed mounting of spliced pole has the end plate, end plate bottom fixed mounting has the hydro-cylinder.

Furthermore, a sliding table is fixedly mounted at the output end of the bottom of the oil cylinder and is slidably mounted on the opposite surfaces of the connecting columns on the two sides, a movable mold base is fixedly mounted at the bottom of the sliding table, and a cavity matched with the shape of the module is formed in the middle of the bottom of the movable mold base.

Furthermore, a pouring gate is arranged at the middle end of the top of the movable mold base, an internal thread is arranged on the inner wall of the pouring gate, and a horn cover with a diameter decreasing from top to bottom is fixed at the position of the pouring gate opening.

Compared with the prior art, the beneficial effects of the utility model are that: the application provides a can carry out the accurate plastic part of optics of shearing in mould not only can be so that ejecting product and mouth of a river separation, ensure that the product can not have the mouth of a river to remain, still do not influence the normal drawing of patterns between product and the mould, avoid taking place the adhesion between product and the mould, and then influence drawing of patterns effect.

1. The utility model discloses a V-arrangement round pin's setting, through the conflict of V-arrangement round pin and lug in the slide process that rises, the V-arrangement round pin takes place to rotate and then extrudees the shearing sword root of protrusion in the sleeve bottom for the shearing sword protrusion realizes the shearing of mouth of a river in perforation and pressing close to the module root, makes ejecting product and mouth of a river separate, ensures that the product can not have the mouth of a river to remain;

2. the utility model discloses a setting of thimble, the jacking of slide drives three thimbles that the middle part distributes and protrudes in the module top in step, makes the plastic part break away from by the module surface through the jacking of thimble, has avoided taking place the adhesion between product and the mould, and then influences drawing of patterns effect;

3. the utility model discloses a setting of runner is through setting up the degressive loudspeaker cover of diameter from top to bottom at the runner opening part for the runner is being connected with the pipeline of moulding plastics and is carrying out the molten plastics when pouring, and the difficult phenomenon that takes place the molten plastics and extrude by the runner reduces the clearance maintenance frequency to runner department.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the product of the present invention in an unextruded state;

fig. 3 is a schematic diagram of the structure of the ejection state of the product of the present invention.

In the figure: 1. a base table; 2. connecting columns; 3. an end plate; 4. an oil cylinder; 5. a sliding table; 6. a movable die holder; 7. a cavity; 8. a gate; 9. an internal thread; 10. a horn cover; 11. an in-mold shear assembly; 1101. a static die holder; 1102. a module; 1103. perforating; 1104. a sleeve; 1105. a shearing knife; 1106. a spring; 1107. an inner cavity; 1108. a bump; 1109. a cylinder; 1110. a slide plate; 1111. a thimble; 1112. a rotating seat; 1113. a V-shaped pin.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, connecting columns 2 are fixedly mounted on two sides of the top of a base platform 1, an end plate 3 is fixedly mounted at the tail end of each connecting column 2, an oil cylinder 4 is fixedly mounted at the bottom of each end plate 3, a sliding table 5 is fixedly mounted at an output end of the bottom of each oil cylinder 4, the sliding table 5 is slidably mounted on the opposite surface of each connecting column 2 on the two sides, a movable mold base 6 is fixedly mounted at the bottom of each sliding table 5, a cavity 7 matched with the shape of a module 1102 is formed in the middle end of the bottom of each movable mold base 6, a sprue 8 is formed in the middle end of the top of each movable mold base 6, an internal thread 9 is formed in the inner wall of each sprue 8, a horn cover 10 with the diameter decreasing from top to bottom is fixed at the opening of each sprue 8, and the horn cover 10 with the diameter decreasing from top to bottom is arranged at the opening of each sprue 8, so that when the sprue 8 is connected with an injection pipeline for injecting molten plastic, the molten plastic is not easily extruded from the sprue 8, and the frequency of cleaning and maintenance at the sprue 8 is reduced;

as shown in fig. 2-3, an in-mold shearing assembly 11 for removing an overflow edge is fixedly installed at the middle end of the top of a bottom table 1, the in-mold shearing assembly 11 includes a stationary mold base 1101, a mold block 1102, a perforation 1103, a sleeve 1104, a shearing blade 1105 and a spring 1106, the mold block 1102 is fixedly installed at the middle end of the top of the stationary mold base 1101, and perforations 1103 are symmetrically installed at both sides of the root of the mold block 1102, a sleeve 1104 is fixedly installed at the end face of an inner hole at the bottom of the perforation 1103, a shearing blade 1105 sliding in the perforation 1103 is arranged inside the sleeve 1104 in a penetrating manner, the surface of the shearing blade 1105 is attached to the root of the mold block 1102, the spring 1106 is sleeved at the middle of the shearing blade 1105, a V-shaped pin 1113 is abutted against a bump 1108 during the ascending process of a sliding plate 1110, the V-shaped pin 1113 rotates to extrude the root of the shearing blade 1105 protruding out of the bottom of the sleeve 1104, so that the shearing blade 1105 protrudes out of the perforation 1103 and the root of the mold block 1102 to realize the shearing of a gate 1110, so that the ejected product 1101 is separated from the gate 1101, ensuring that the product has no residual, the shearing assembly 11 further includes an inner cavity 1107 and a push-up cylinder 1109, a push-up cylinder is installed to prevent the push-up cylinder 1109, the push-up pin 1109 and push-up cylinder is installed at the push-up cylinder, the push-up module 1109, the push-up module is installed in the push-up cylinder is installed to push-up cylinder, the push-up module 1109, the thimble 1111 penetrates the module 1102, a rotating base 1112 is fixedly installed on both sides of the sliding plate 1110, and a V-shaped pin 1113 is rotatably installed inside the rotating base 1112.

The working principle is as follows: when the optical precision plastic part capable of being subjected to in-mold shearing is used, the movable mold base 6 is driven by the top oil cylinder 4 to be located on the opposite surface of the connecting column 2 to slide, mold clamping with the bottom static mold base 1101 is completed, the horn cover 10 with the diameter decreasing from top to bottom is arranged at the opening of the sprue 8, so that when the sprue 8 is connected with an injection molding pipeline for injecting molten plastic, the phenomenon that the molten plastic is extruded from the sprue 8 is not easy to occur, the frequency of cleaning and maintenance on the sprue 8 is reduced, the molten plastic is injected into a gap between the cavity 7 and the module 1102, the pressure maintaining and cooling stage is carried out until the plastic part is formed, then the movable mold base 6 is pulled up to separate the cavity 7 from the module 1102, and a subsequent demolding and in-mold shearing stage of the sprue, launch cylinder 1109 of inner chamber 1107 bottom, it is located inner chamber 1107 jacking to order about slide 1110, slide 1110's jacking drives the synchronous protrusion in module 1102 top of three thimble 1111 of its middle part distribution, jacking through thimble 1111 makes the plastic part break away from by module 1102 surface, the adhesion has been avoided taking place between product and the mould, and then influence drawing of patterns effect, here through the conflict of slide 1110 rising in-process V-arrangement round pin 1113 and lug 1108, V-arrangement round pin 1113 takes place to rotate and then extrudes the shearing sword 1105 root of protrusion in sleeve 1104 bottom, make shearing sword 1105 protrusion in perforation 1103 and press close to the shearing that module 1102 root realized the mouth of a river, make ejecting product and mouth of a river separation, ensure that the product can not have the mouth of a river to remain.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a can carry out accurate plastic part of optics of interior shearing, a serial communication port, including base frame (1) and interior shearing subassembly (11) of mould, base frame (1) top middle-end fixed mounting has interior shearing subassembly (11) that is used for the excessive limit to get rid of, interior shearing subassembly (11) of mould includes quiet die holder (1101), module (1102), perforation (1103), sleeve (1104), shears sword (1105) and spring (1106), quiet die holder (1101) top middle-end fixed mounting has module (1102), and is located module (1102) root bilateral symmetry and has seted up perforation (1103), perforation (1103) bottom hole terminal surface department fixed mounting has sleeve (1104), and sleeve (1104) inside runs through be equipped with shear sword (1105) that slide in perforation (1103), shear sword (1105) cutting edge face laminates with module (1102) root mutually, and shears sword (1105) middle part cover and be equipped with spring (1106).

2. The optical precision plastic part capable of being subjected to in-mold shearing according to claim 1, wherein the in-mold shearing assembly (11) further comprises an inner cavity (1107) and a bump (1108), the inner cavity (1107) is formed in the static mold base (1101), and the bumps (1108) are fixedly installed at corners of two sides of the top of the inner cavity (1107).

3. The optical precision plastic part capable of being subjected to in-mold shearing according to claim 2, wherein the in-mold shearing assembly (11) further comprises a cylinder (1109) and a sliding plate (1110), the cylinder (1109) is fixedly installed at the bottom of the inner cavity (1107), and the sliding plate (1110) is fixedly installed at the top output end of the cylinder (1109).

4. The optical precision plastic part capable of being in-mold sheared according to claim 3, wherein the in-mold shearing assembly (11) further comprises ejector pins (1111), a rotating base (1112) and V-shaped pins (1113), three ejector pins (1111) are arranged in the middle of the sliding plate (1110), the ejector pins (1111) penetrate through the module (1102), the rotating base (1112) is fixedly installed on both sides of the sliding plate (1110), and the V-shaped pins (1113) are rotatably installed in the rotating base (1112).

5. The optical precision plastic part capable of being subjected to in-mold shearing according to claim 1, wherein connecting columns (2) are fixedly mounted on two sides of the top of the base table (1), end plates (3) are fixedly mounted at the tail ends of the connecting columns (2), and oil cylinders (4) are fixedly mounted at the bottoms of the end plates (3).

6. The optical precision plastic part capable of being cut in the mold according to claim 5, wherein the output end of the bottom of the oil cylinder (4) is fixedly provided with a sliding table (5), the sliding table (5) is slidably arranged on the opposite surfaces of the connecting columns (2) on the two sides, the bottom of the sliding table (5) is fixedly provided with a movable mold base (6), and the middle end of the bottom of the movable mold base (6) is provided with a mold cavity (7) matched with the shape of the module (1102).

7. The optical precision plastic part capable of being cut in a mold as claimed in claim 6, wherein a gate (8) is formed at a middle end of a top of the movable mold base (6), an internal thread (9) is formed on an inner wall of the gate (8), and a horn cover (10) with a diameter decreasing from top to bottom is fixed at an opening of the gate (8).