CN212764568U - Vulcanization mold for molding large square wire rubber waterproof piece - Google Patents

Abstract

The utility model provides a be used for waterproof fashioned vulcanization mould of piece of big square wire rubber belongs to manufacturing die technical field. It has solved the difficult scheduling problem of current mould drawing of patterns. This be used for fashioned vulcanization mould of waterproof piece of big square wire rubber, including last mould and lower mould, it looses the core to be provided with at least one between last mould and the lower mould, be equipped with on the lower mould and loose core the corresponding first type piece of quantity and second type piece, every subassembly of loosing core transversely erects on corresponding first type piece and second type piece and can transversely take out and break away from last mould and lower mould, be formed with the shaping chamber that is used for the waterproof body shaping between every first type piece and the second type piece, it has the branch die cavity that is used for the waterproof head shaping to have on the first type piece. The utility model has the advantage of convenient demoulding.

Description

Vulcanization mold for molding large square wire rubber waterproof piece

Technical Field

The utility model belongs to the technical field of make the mould, a be used for waterproof fashioned vulcanization mould of piece of big square wire rubber is related to.

Background

The injection mould is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, the injection moulding is a processing method used when producing some parts with complex shapes in batches, and specifically, the injection mould is used for injecting heated and melted plastics into a mould cavity by an injection moulding machine at high pressure, and obtaining a formed product after cooling and solidification.

Big square wire rubber waterproof is a common injection moulding product because simple structure, and waterproof need set up the core strip at the in-process of production and make waterproof inside be the cavity form, takes out the core strip after accomplishing to mould plastics again, and current core strip all is connected with cover half or movable mould, when loosing core the action, has the problem of drawing of patterns difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a make things convenient for fashioned vulcanization mould of waterproof piece of big square wire rubber of drawing of patterns.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a be used for fashioned vulcanization mould of waterproof piece of big square wire rubber, includes mould and lower mould, its characterized in that, mould and lower mould between be provided with at least one subassembly of loosing core, the lower mould on be equipped with and loose core quantity corresponding first type piece and second type piece, every loose core the subassembly transversely erect on corresponding first type piece and second type piece and can transversely take out and break away from mould and lower mould, every first type piece and second type piece between be formed with the shaping chamber that is used for the waterproof body shaping, first type piece on have the branch die cavity that is used for the shaping of waterproof head.

In the vulcanization mould for molding the large square wire rubber waterproof part, each core pulling component comprises a plurality of core columns and a core sleeve for fixing the core columns.

In foretell be used for waterproof fashioned vulcanization mould of big square wire rubber spare, every first type piece on be equipped with the outer platform that supplies the stem to lean on and set up in the inboard inner platform of outer platform, the type separating cavity set up on the inner platform.

In the vulcanization mould for molding the large square wire rubber waterproof part, each second moulding block protrudes towards one side of the upper mould, and a positioning groove for clamping the upper mould is formed between every two adjacent second moulding blocks.

In the vulcanization mould for molding the large square wire rubber waterproof part, the first mould block and the second mould block are provided with arc-shaped grooves matched with the outer surface of the core column.

In the vulcanization mold for molding the large square wire rubber waterproof part, the bottom of each molding cavity is positioned at the same horizontal height, the molding cavities are communicated with each other, and the joint between the adjacent molding cavities is provided with a flaring formed by radial expansion towards two sides.

In the vulcanization mold for molding the large square wire rubber waterproof part, a connection cambered surface is arranged between the inner platform and the molding cavity, the upper end of the connection cambered surface is in arc-shaped transition with the inner platform, and the lower end of the connection cambered surface is in arc-shaped transition with the molding cavity.

In the vulcanization mold for molding the large square wire rubber waterproof piece, the upper mold is provided with the inserting column capable of being inserted into the flaring and the positioning convex block matched with the positioning groove.

In the vulcanization mould for molding the large square wire rubber waterproof piece, the front end of the positioning lug extends to the side surface of the inserting column and is integrally molded with the inserting column.

In the vulcanization mould for molding the large square wire rubber waterproof part, the length of each core column is greater than the width of the lower mould, and two ends of each core column extend out of the lower mould.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a be equipped with on the lower mould and loose core the corresponding first type piece of quantity and second type piece, the subassembly of loosing core transversely erects on the first type piece that corresponds and the second type piece and can transversely take out and break away from last mould and lower mould, and the subassembly of loosing core can directly take out from last mould and lower mould, the better drawing of patterns of waterproof of being convenient for.

2. The utility model discloses a subassembly of loosing core includes a plurality of stem stems and is used for the core cover of a plurality of stem stems of fixed, carries out and fixes a plurality of stem through the core cover, and it is more convenient when can making the stem insert the mould in.

3. The utility model discloses the front end of location lug extends to on inserting the side surface of post with insert post integrated into one piece, reduces the inside space of mould when promoting both intensity, prevents to mould plastics liquid seepage from the clearance of location lug with inserting the post.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

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

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic structural view of the middle and lower dies of the present invention.

Fig. 4 is a schematic structural view of the middle upper die of the present invention.

In the figure, 1, an upper die; 2. a lower die; 3. a core pulling assembly; 4. a first type block; 5. a second type block; 6. a molding cavity; 7. dividing a cavity; 8. a stem; 9. a core sleeve; 10. an outer platform; 11. an inner platform; 12. a positioning groove; 13. an arc-shaped slot; 14. flaring; 15. connecting the cambered surface; 16. inserting a column; 17. and positioning the projection.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 3, a vulcanizing mold for molding a large square wire rubber waterproof part comprises an upper mold 1 and a lower mold 2, at least one core pulling assembly 3 is arranged between the upper mold 1 and the lower mold 2, a first mold block 4 and a second mold block 5 corresponding to the core pulling quantity are arranged on the lower mold 2, each core pulling assembly 3 is transversely erected on the corresponding first mold block 4 and second mold block 5 and can be transversely pulled away from the upper mold 1 and the lower mold 2, a molding cavity 6 for molding a waterproof part body is formed between each first mold block 4 and the second mold block 5, and a parting cavity 7 for molding a head of the waterproof part is formed on the first mold block 4.

In this embodiment, be equipped with on the lower mould 2 and loose core the corresponding first type piece 4 of quantity and second type piece 5, loose core subassembly 3 transversely erects on corresponding first type piece 4 and second type piece 5 and can transversely take out and break away from last mould 1 and lower mould 2, loose core subassembly 3 transversely wears to establish on shaping chamber 6 and parting chamber 7, the sprue bushing of moulding plastics can set up on last mould 1 when waterproof in shaping chamber 6 and parting chamber 7 after, loose core subassembly 3 can directly follow and take out from last mould 1 and lower mould 2, be convenient for the better drawing of patterns of waterproof.

Each core pulling assembly 3 comprises a plurality of core columns 8 and a core sleeve 9 for fixing the plurality of core columns 8. The stem 8 is set according to the specific size of the electric wire, and in order to prevent the stem 8 from breaking away from and follow-up better dismantlement, the stem 8 is fixed through the realization of the core sleeve 9, and breaks away from in unison.

In the present embodiment, each first profile block 4 is provided with an outer platform 10 against which the stem 8 abuts and an inner platform 11 arranged inside the outer platform 10, and the parting cavity 7 is arranged on the inner platform 11. The height of the inner platform 11 is lower than the height of the outer platform 10, forming the parting cavity 7 by the difference in height.

Preferably, in order to improve the positioning matching performance of the upper die 1 and the lower die 2, each second mold block 5 protrudes towards one side of the upper die 1, and a positioning groove 12 for the upper die 1 to be clamped is formed between the adjacent second mold blocks 5.

In order to improve the fitting degree of the core column 8 with the upper die 1 and the lower die 2, the first molding block 4 and the second molding block 5 are provided with arc-shaped grooves 13 matched with the outer surface of the core column 8. The core column 8 is clamped into the arc-shaped groove 13 and can be jointed with the upper die 1 and the lower die 2.

In the embodiment, the bottom of each forming cavity 6 is located at the same level and the forming cavities 6 are communicated with each other, the joint between adjacent forming cavities 6 is provided with a flared opening 14 formed by radial expansion towards two sides, and the upper die 1 is provided with an insert column 16 capable of being inserted into the flared opening 14 and a positioning projection 17 matched with the positioning groove 12.

In order to ensure that the edge of the waterproof part is molded more fully and subsequent demolding is facilitated, a connecting arc surface 15 is arranged between the inner platform 11 and the molding cavity 6, the upper end of the connecting arc surface 15 is in arc-shaped transition with the inner platform 11, and the lower end of the connecting arc surface 15 is in arc-shaped transition with the molding cavity 6.

The front end of the positioning projection 17 extends to the side surface of the plug post 16 and is integrally formed with the plug post 16. The internal clearance of the mould is reduced while the strength of the positioning lug 17 and the inserting column 16 is improved, and the injection molding liquid is prevented from leaking from the clearance between the positioning lug 17 and the inserting column 16.

In order to facilitate the extraction of the core pulling assembly 3, the length of each core column 8 is greater than the width of the lower die 2, and two ends of each core column 8 extend out of the lower die 2.

The technical effects of the utility model are that: be equipped with on the lower mould 2 and loose core the corresponding first type piece 4 of quantity and second type piece 5, loose core subassembly 3 transversely erects on corresponding first type piece 4 and second type piece 5 and can transversely take out and leave away from last mould 1 and lower mould 2, loose core subassembly 3 transversely wears to establish on shaping chamber 6 and parting chamber 7, after waterproof is shaping in shaping chamber 6 and parting chamber 7, loose core subassembly 3 can directly transversely take out from last mould 1 and lower mould 2, be convenient for the better drawing of patterns of waterproof.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the upper mold 1, the lower mold 2, the core pulling assembly 3, the first mold block 4, the second mold block 5, the molding cavity 6, the parting cavity 7, the core column 8, the core sleeve 9, the outer platform 10, the positioning groove 12 of the inner platform 11, the arc-shaped groove 13, the flaring 14, the connecting arc surface 15, the inserting column 16, the positioning lug 17 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (10)

1. The utility model provides a be used for fashioned vulcanization mould of big square wire rubber waterproof, includes mould (1) and lower mould (2), its characterized in that, last mould (1) and lower mould (2) between be provided with at least one subassembly (3) of loosing core, lower mould (2) on be equipped with the corresponding first type piece (4) of the quantity of loosing core and second type piece (5), every loose core subassembly (3) transversely erect on corresponding first type piece (4) and second type piece (5) and can transversely take out and break away from last mould (1) and lower mould (2), every first type piece (4) and second type piece (5) between be formed with shaping chamber (6) that are used for the shaping of waterproof body, first type piece (4) on have branch die cavity (7) that are used for the shaping of waterproof head.

2. The vulcanization mould for molding large square wire rubber flashing according to claim 1, wherein each of the core pulling assemblies (3) comprises a plurality of core legs (8) and a core sleeve (9) for fixing the plurality of core legs (8).

3. A vulcanization mould for the formation of large square wire rubber flashing according to claim 2, wherein each of said first mould blocks (4) is provided with an outer platform (10) against which the stem (8) abuts and an inner platform (11) arranged inside the outer platform (10), and said separate cavity (7) is arranged on the inner platform (11).

4. The vulcanization mold for molding a large square wire rubber waterproof part according to claim 1, wherein each of the second mold blocks (5) protrudes toward one side of the upper mold (1), and a positioning groove (12) for the upper mold (1) to be clamped is formed between the adjacent second mold blocks (5).

5. The vulcanization mold for molding large square wire rubber flashing according to claim 2, wherein the first mold block (4) and the second mold block (5) have arc-shaped grooves (13) adapted to the outer surface of the stem (8).

6. The vulcanization mold for molding large square wire rubber flashing according to claim 4, wherein the bottom of each molding cavity (6) is located at the same level and the molding cavities (6) are communicated with each other, and the junction between adjacent molding cavities (6) has a flared opening (14) formed by radial expansion towards both sides.

7. The vulcanization mold for molding the large square wire rubber waterproof part according to claim 3, wherein a connection arc surface (15) is arranged between the inner platform (11) and the molding cavity (6), the upper end of the connection arc surface (15) is in arc-shaped transition with the inner platform (11), and the lower end of the connection arc surface (15) is in arc-shaped transition with the molding cavity (6).

8. The vulcanization mold for molding the rubber waterproof part for the large square wire according to claim 6, wherein the upper mold (1) is provided with an insertion column (16) which can be inserted into the flaring (14) and a positioning convex block (17) which is matched with the positioning groove (12).

9. The vulcanization mold for molding a large square wire rubber flashing according to claim 8, wherein the front end of the positioning protrusion (17) extends to the side surface of the insert post (16) and is integrally molded with the insert post (16).

10. The vulcanization mold for molding large square wire rubber waterproof parts according to claim 2, wherein the length of each core column (8) is greater than the width of the lower mold (2), and both ends of each core column (8) extend out of the lower mold (2).

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