CN213675277U

CN213675277U - Polyether-ether-ketone valve block injection mold for compressor

Info

Publication number: CN213675277U
Application number: CN202022528315.7U
Authority: CN
Inventors: 贺佳; 孟宁宁
Original assignee: Weihai Zhongsu New Material Technology Co ltd
Current assignee: Weihai Zhongsu New Material Technology Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-13
Anticipated expiration: 2030-11-05

Abstract

The utility model relates to a polyether ether ketone valve block injection mold for compressor, it has solved the mould structure complicacy of current production polyether ether ketone material valve block of moulding plastics, the technical problem that the raw materials loss is high, it is equipped with cover half bedplate and movable mould bedplate, be equipped with the solid runner cover on the cover half bedplate, cover half bedplate lower extreme has set firmly the fixed die plate, the fixed die plate facial make-up is equipped with the guide pillar, be equipped with the guide pin bushing between guide pillar and the fixed die plate, the backup pad has set firmly on the movable mould bedplate, the movable mould board has set firmly the movable mould board in the backup pad, movable mould board and fixed die plate pass through guide pillar and guide pin bushing sliding connection, the fixed die plate lower extreme is equipped with circular recess, the circular recess is built-in to be equipped with the terrace die, the terrace die is close to movable mould board one side and is equipped with the mould benevolence recess, the outer, The positioning hole is provided with a protruding structure. The utility model discloses can extensively be used for the compressor to mould plastics with polyether ether ketone valve block.

Description

Polyether-ether-ketone valve block injection mold for compressor

Technical Field

The utility model relates to an injection mold field especially relates to a polyether ether ketone valve block injection mold for compressor.

Background

The compressor is used for compressing and storing the sucked gas. One fitting of the compressor is a valve plate, the structure of which is shown in figure 1, the valve plate is in a shape of a circular cake, hole site ring grooves are regularly distributed on the surface of the valve plate, and the valve plate is made of polyether-ether-ketone. As shown in fig. 2-3, it is a general mold for producing a valve sheet made of polyetheretherketone by injection molding; the injection molding device comprises an injection mechanism, a molding mechanism, a demolding mechanism and a resetting mechanism, and comprises a fixed mold base plate 10 and a movable mold base plate 1, wherein a fixed mold heat insulation plate 11 is arranged at the upper end of the fixed mold base plate 10, a sprue bush 13 for putting molten plastic into a mold cavity is arranged in the middle of the fixed mold base plate, a positioning ring 12 is further arranged on the sprue bush 13, a traditional fixed mold 9 is fixedly arranged at the lower end of the fixed mold base plate 10, a traditional mold core 15 is arranged in the traditional fixed mold 9, two support plates 2 are arranged at the upper end of the transmission mold base plate 1, a traditional push plate base plate 6 is arranged in the middle of each support plate 2, a traditional push plate 5 is arranged on each support plate, the traditional push plate 5 is used for pushing thimbles, the number of the thi; traditional movable mould 4 has set firmly on the backup pad 2, still is equipped with movable mould heat insulating board 3 between backup pad 2 and the traditional movable mould 4, and traditional movable mould 4 is connected with traditional terrace die 14, through push pedal guide pillar 7 sliding connection between traditional movable mould 4 and the traditional push pedal 5, and traditional cover half 9 passes through guide pillar 8 sliding connection with traditional movable mould 4. The existing traditional mold is complex in structure and comprises a plurality of thimbles, and more raw materials are required to be injected into a mold cavity during injection molding production.

Disclosure of Invention

The utility model discloses a solve the mould structure complicacy of the current production polyether ether ketone material valve block of moulding plastics, technical problem that the raw materials loss is high provides a structure and retrencies, uses, maintains the low polyether ether ketone valve block injection mold for the cost compressor.

The utility model provides a polyether ether ketone valve block injection mold for compressor, it is equipped with cover half bedplate and movable mould bedplate, be equipped with the solid pouring gate cover on the cover half bedplate, cover half bedplate lower extreme has set firmly the fixed die plate, the fixed die plate facial make-up is equipped with the guide pillar, be equipped with the guide pin bushing between guide pillar and the fixed die plate, the backup pad has set firmly on the movable mould bedplate, the movable mould board has set firmly the movable mould board in the backup pad, the movable mould board passes through guide pillar and guide pin bushing sliding connection with the fixed die plate, the fixed die plate lower extreme is equipped with circular recess, the built-in terrace die that is equipped with of circular recess, the terrace die is close to movable mould board one side and is equipped with mould benevolence recess, the outer lane of terrace die is equipped with the heating collar, the terrace die has set.

Preferably, the movable mold base plate is further fixedly provided with a material pulling needle base plate, the material pulling needle base plate is provided with a material pulling needle, the material pulling needle is in a slender needle shape, the lower end of the material pulling needle is provided with a limiting column, the upper end of the material pulling needle is provided with a barb, the barb is in a Z shape, and during injection molding, the barb is filled with plastic connected with an injection molding product in the mold core.

Preferably, the fixed die plate is provided with four through holes, the guide sleeve is provided with a through hole, the guide sleeve is arranged in the through hole of the fixed die plate, and the guide pillar is arranged in the through hole of the guide sleeve.

Preferably, the center of the fixed die plate is provided with a through hole, the center of the male die is provided with a through hole, the fixed die base plate is further fixedly provided with a positioning ring, and the sprue bush sequentially penetrates through the positioning ring, the through hole of the fixed die plate and the through hole of the male die to be communicated with the die cavity.

Preferably, the injection molding product of the injection mold is a valve plate of a compressor made of polyetheretherketone.

The utility model has the advantages that:

the utility model discloses the structure is retrencied more, the utility model discloses the die cavity is located cover half one side, and after penetrating the glue of moulding plastics, draw the overhead kick structure on the material needle, link together with injection moulding product, when the mould was opened towards the direction of movable mould, draw the material needle can be synchronous to pull out injection moulding product from the die cavity that is located the cover half, overcome traditional structure and be that the die cavity is located movable mould one side, need utilize the thimble to release the product with the help of push pedal mechanism, effectively reduced the use quantity of thimble, reduced manufacturing and later maintenance cost can reduce.

Drawings

FIG. 1 is a schematic view of the structure of a valve plate manufactured by the present invention;

FIG. 2 is a schematic perspective view of a conventional mold;

FIG. 3 is a schematic plan view of a conventional mold;

fig. 4 is a schematic diagram of the explosion structure of the present invention;

FIG. 5 is a schematic view of the structure of the drawing pin of the present invention;

FIG. 6 is an enlarged schematic view of the material pulling needle A of the present invention;

fig. 7 is a schematic view of the material pulling state of the material pulling needle of the present invention.

Description of the symbols of the drawings:

1. a movable mould seat plate; 2. a support plate; 3. a movable mould heat insulation plate; 4. a traditional moving die; 5. a conventional push plate; 6. a conventional push plate seat plate; 7. a push plate guide post; 8. a guide post; 9. traditional fixed mould; 10. a fixed die base plate; 11. fixing a mould heat insulation plate; 12. a positioning ring; 13. a sprue bush; 14. a conventional male die; 15. a traditional mold core; 20. a male die; 21. a mold core; 22. pulling a material needle; 23. a guide sleeve; 24. moving the template; 25. fixing a template; 26. a material pulling needle seat plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, so that those skilled in the art can easily implement the present invention.

Example (b): as shown in figures 4-6, the utility model is provided with a fixed mold base plate 10 and a movable mold base plate 1, a sprue bush 13 for putting molten plastic into a mold cavity is arranged in the middle of the fixed mold base plate 10, a positioning ring 12 is also fixedly arranged on the fixed mold base plate 10, a fixed mold plate 25 is fixedly arranged at the lower end of the fixed mold base plate 10, four through holes are arranged on the fixed mold plate 25, a guide sleeve 23 is arranged in each through hole, a guide pillar 8 is arranged in each through hole of the guide sleeve 23, a through hole is arranged at the center of the fixed mold plate 25, a circular groove is arranged in the lower end of the fixed mold plate 25, a convex mold 20 is fixedly arranged in each circular groove, the convex mold 20 is a cylinder, a circular bulge is arranged at the upper end of the cylinder and is matched with the circular groove of the fixed mold plate 25, a through hole is arranged at the center of the convex mold, the fixed die is embedded and fixed in a fixed die plate 25, a groove is formed in the other side of a male die 20 and used for mounting a die core, a heating ring is mounted on the outer ring of the male die and used for heating a die during injection molding, a die core groove is formed in the lower end of the male die 20 and used for embedding a die core 21, the die core 21 is in a round cake shape, the front surface and the rear surface of the die core 21 are close to one side of the fixed die, 4 threaded holes are designed, screws sequentially penetrate through the fixed die plate 25, the male die 20 and the die core 21 and fix the die core 21 in the male die 20, the fixed die core 21 protrudes out of the male die 20, the side of the die core 20 close to a movable die plate 24 is a die cavity of the die core 21, the.

The sprue bush 13 sequentially passes through the positioning ring 12, the through hole of the fixed die plate 25 and the through hole of the male die 20, so that the inner hole of the sprue bush 13 is communicated with the cavity.

Two supporting plates 2 are fixedly arranged on two sides of the upper end of the movable mould seat plate 1, a movable mould plate 24 is fixedly arranged on the supporting plates 2, the mould core 21 is attached to the movable mould 24, the movable mould 24 is of a planar structure, the planar structure and a concave pit of the mould core are combined to form a forming cavity, and after the mould is closed tightly, the movable mould plate 24 is attached to the mould core 21 to form a closed cavity for injection molding of a product. The movable die plate 24 and the fixed die plate 25 are connected in a sliding mode through the guide post 8 and the guide sleeve 23.

Be equipped with in the middle of backup pad 2 and draw material needle board 26, draw material needle board 26 to be used for fixed drawing material needle 22, draw material needle 22 to be equipped with 5, draw material needle 22 long and thin, the lower extreme is equipped with spacing post, the upper end is equipped with the overhead kick, draw material needle 22 to pass in the driven die plate 24, can imbed the 24 degree of depth of movable die plate and be 5mm, the completion back of moulding plastics, draw the overhead kick of material needle 22 can protrusion in injection moulding product 5 mm's height, do benefit to injection moulding product's pulling out. As shown in FIG. 7, during injection molding, after plastic is injected into the cavity, a Z-shape is formed by the inverted hook of the material pulling needle 22, the Z-shape is connected with the injection molded product, the mold is opened, and the Z-shape of the material pulling needle 22 hooks the product to pull out the product together.

The utility model discloses injection mold production process:

1) closing the mold, closing the mold by an injection molding machine, tightly closing the movable mold plate 24 and the fixed mold plate 25, positioning the mold core 21 in the male mold 20, and forming an empty cavity at the non-joint part of the two;

2) pre-molding, namely adding polyether-ether-ketone raw material particles into a charging barrel of an injection molding machine in advance, and melting the raw material particles into colloid under the heating and shearing action of a screw of the injection molding machine;

3) injecting, namely injecting the molten plastic into the cavity through the sprue bush 13 of the utility model by an injection molding machine;

4) cooling and forming, namely, enabling the polyether-ether-ketone raw material to be in a shape in the cavity, cooling and solidifying to form a product, and embedding the material pulling needle 22 into the product;

5) demoulding, namely opening the mould of the injection molding machine, opening the movable mould base plate 1, the movable mould plate 24 and the mould core 21, simultaneously opening the movable mould plate 24 in a linkage manner to pull the material pulling needle plate 26 to pull the material pulling needle 22, opening the material pulling needle plate along the injection direction of the injection molding machine, separating a product from the fixed mould plate 25 along with the opening of the movable mould plate 24, embedding the product on a barb of the material pulling needle 22, and taking away the product manually or by a mechanical device;

6) resetting, finishing the whole injection molding process, closing the mold by the injection molding machine, and starting the next injection molding cycle.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the scope defined by the claims of the present invention shall be within the protection scope of the present invention.

Claims

1. The injection mold is provided with a fixed mold base plate and a movable mold base plate, wherein a fixed sprue bush is arranged on the fixed mold base plate, a fixed mold plate is fixedly arranged at the lower end of the fixed mold base plate, a guide pillar is arranged on the fixed mold plate, a guide sleeve is arranged between the guide pillar and the fixed mold plate, a support plate is fixedly arranged on the movable mold base plate, a movable mold plate is fixedly arranged on the support plate and is in sliding connection with the fixed mold plate through the guide pillar and the guide sleeve, and the injection mold is characterized in that a circular groove is formed in the lower end of the fixed mold plate, a male mold is arranged in the circular groove, a mold core groove is formed in one side, close to the movable mold plate, of the male mold, a heating ring is arranged on the outer ring of the male mold, a mold core is fixedly arranged in the male mold and is matched and tightly closed with the movable mold plate to form, The positioning hole is provided with a protruding structure.

2. The injection mold for a polyether ether ketone valve sheet for a compressor as claimed in claim 1, wherein the movable mold base plate is further fixedly provided with a drawing needle base plate, the drawing needle base plate is provided with a drawing needle, the drawing needle is in a shape of a slender needle, the lower end of the drawing needle is provided with a limiting column, the upper end of the drawing needle is provided with a barb, the barb is in a Z shape, and during injection molding, the barb is filled with plastic connected with an injection molding product in the mold core.

3. The injection mold for a polyetheretherketone valve sheet of a compressor as claimed in claim 2, wherein the stationary platen has four through holes, the guide sleeve has a through hole, the guide sleeve is installed in the through hole of the stationary platen, and the guide post is installed in the through hole of the guide sleeve.

4. The injection mold for a polyetheretherketone valve sheet of a compressor as claimed in claim 3, wherein the center of the fixed mold plate is provided with a through hole, the center of the male mold is provided with a through hole, the fixed mold plate is further fixed with a positioning ring, and the sprue bush passes through the positioning ring, the fixed mold plate through hole and the male mold through hole in sequence and is communicated with the cavity.

5. The injection mold for the PEEK valve plate for the compressor as claimed in any one of claims 1 to 4, wherein the injection molded product is the PEEK compressor valve plate.