CN210910992U

CN210910992U - Plastic mold for plastic product production

Info

Publication number: CN210910992U
Application number: CN201921869347.4U
Authority: CN
Inventors: 黄俊南; 孙学华; 吴伟霓; 粟斌
Original assignee: Shenzhen Hengjia Precision Mould Injection Co ltd
Current assignee: Shenzhen Hengjia Precision Mould Injection Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-03
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a plastic mould for plastic product production, which comprises a device main body, wherein a left plastic mould is arranged at the left end of the device main body, left slide plates are arranged at the left side positions of the upper and lower ends of the left plastic mould, slide holes are formed in the left slide plates and are close to the left and right sides in a penetrating way, positioning grooves are arranged at the positions close to the side angle positions of the right side surfaces of the left plastic mould, a left plastic cavity is formed in the central position of the right side surface of the left plastic mould, and a right plastic mould is arranged at the right end of the device main body; the utility model discloses among the plastic mold, through the setting of location lug and positioning groove for the device main part reduces at the live error of left plastic mold of during operation and right plastic mold high pressure work, and the plastics yield increases, all is provided with the thimble through side two plastic mold, makes the thimble effect no longer limited, takes the plastics finished product degree of difficulty and reduces.

Description

Plastic mold for plastic product production

Technical Field

The utility model belongs to the plastics shaping field specifically is a plastic mold is used in plastic product production.

Background

With the development of plastic industry, plastic products are widely used in various industrial product fields such as buildings, machinery, electronics, instruments, meters and the like. In particular, high-strength and wear-resistant plastic products are more and more accepted by people and widely applied. The mold is required to be in a high-temperature state when a high-strength and wear-resistant plastic product is processed and molded, so that the quality of the product can be ensured. The plastic mold capable of keeping high temperature is also an important subject in the production of plastic products, and is a difficult problem which is troubled and hinders the development of high-strength and wear-resistant plastic products, and comprises a mold cavity, the mold is used for injection molding of plastic parts in the injection mold, and when a hollow convex column needs to be formed on a workpiece to be injected, the plastic part needs to be simultaneously molded in the injection molding process. The injection molding method is that the ejector pin is arranged on the injection mold, the ejector pin is provided with the convex part, the plastic is coated outside the convex part during injection molding, and the hollow convex column can be formed after demolding.

The existing plastic mould has certain defects when in use, gas is arranged in the plastic mould during high-pressure work, so that the plastic mould is short of material injection, the finished product is short of material, the function of an ejector pin is limited due to the change of the sticky surface of the finished product, the difficulty of taking the finished product is increased, errors exist in the activities of the two plastic moulds, the yield is reduced, and a solution is provided for solving the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic mold is used in plastic product production, mainly solve following problem:

1) by arranging the positioning lug and the positioning groove, the movement errors of the two plastic molds during high-pressure work are eliminated, the plastic yield is increased, and the side surfaces of the two plastic molds are provided with the ejector pins, so that the action of the ejector pins is not limited any more, the difficulty in taking and using the plastic finished product is reduced, and the technical problems that the action of the ejector pins is limited, the difficulty in taking and using the finished product is increased, and the errors exist in the movement of the two plastic molds, so that the yield is reduced due to the change of the adhesive surface of the finished product in the existing plastic mold for producing;

2) through being provided with the bleeder vent, the bleeder vent vertically runs through and sets up in annotating the material cassette lower extreme left and right sides, and the plastics mould carries out that left side plastics mould intersects with right plastics mould when high pressure work, and the combination of semicylinder recess form bleeder vent is cylindrical recess, has solved current plastics mould for plastics product production and has gaseously because of inside when working under high pressure for plastics mould annotates the material thereby leads to the technical problem of finished product starved for material inadequately.

The purpose of the utility model can be realized by the following technical scheme:

a plastic mold for plastic product production comprises a device main body, wherein a left plastic mold is arranged at the left end of the device main body, left sliding plates are arranged at the left side positions of the upper end and the lower end of the left plastic mold, sliding holes are formed in the left sliding plates and the right sliding plates in a penetrating mode and are close to the left side and the right side, positioning grooves are formed in the positions, close to the side edge positions, of the right side of the left plastic mold, a left plastic cavity is formed in the center position of the right side of the left plastic mold, a right plastic mold is arranged at the right end of the device main body, right sliding plates are arranged at the right side positions of the upper end and the lower end of the right plastic mold, positioning lugs are arranged at the positions, close to the side edge positions;

the left side of the left plastic mold is provided with a left material injection hole at the middle position of the upper end of the right side surface, the right side surface of the left sliding plate is provided with a left material injection clamping seat near the lower end position, the right material injection hole is provided at the middle position of the upper end of the left side surface of the right plastic mold, the right material injection clamping seat is arranged at the position of the right side surface of the right sliding plate near the lower end position, air holes are symmetrically formed in the two sides of the right material injection clamping seat, the left side surface of the right shaping cavity is provided with a thimble hole near the side angle position, and.

Preferably, cuboid grooves are formed in the left injection material clamping seat and the right injection material clamping seat, and the width of each cuboid groove is half of the length.

Preferably, the left material injection hole and the right material injection hole are both semicircular cone-shaped grooves, and the shapes and the sizes of the left material injection hole and the right material injection hole are identical.

Preferably, the positioning convex blocks are matched with the positioning grooves in shape and size, and ejector pins are arranged in the four groups of ejector pin holes.

Preferably, the diameter of the upper end of the semicircular conical groove of the left material injection hole is identical with the width of the rectangular groove of the left material injection clamping seat, and the diameter of the upper end of the semicircular conical groove of the right material injection hole is identical with the width of the rectangular groove of the right material injection clamping seat.

Preferably, the left sliding plate and the right sliding plate are matched with the sliding rod and movably arranged in the sliding hole, and the width radius of the sliding rod is matched with the aperture of the sliding hole.

The utility model has the advantages that:

in the plastic mould of the utility model, through the arrangement of the positioning lug and the positioning groove, the movement error of the left plastic mould and the right plastic mould in high-pressure operation is reduced when the main body of the device works, the plastic yield is increased, the ejector pins are arranged on the side surfaces of the two plastic moulds, so that the action of the ejector pins is not limited any more, the difficulty in taking and using the plastic finished products is reduced, the change of the sticking surfaces of the plastic moulds due to the finished products is avoided, so that the function of the thimble is limited, the difficulty of taking the finished product is increased, the left material injection hole and the right material injection hole are combined into a conical groove, so that the injection of the plastic melt is more accurate, the left sliding plate and the right sliding plate are movably connected through the sliding rod matching with the sliding hole, the left and right translation of the left plastic mold and the right plastic mold provides a running track, and the cuboid groove formed in the left injection material clamping seat and the cuboid groove formed in the right injection material clamping seat are combined into a cube groove which provides an injection clamping seat for the plastic melt injector.

The utility model discloses the setting of well bleeder vent, the bleeder vent vertically runs through and sets up in annotating material cassette lower extreme left and right sides, and when the plastics mould carries out high pressure during operation left side plastic mold and right plastic mold and intersect, makes the combination of semicircle column recess form bleeder vent for cylindrical recess, provides the gas permeability for the moulding storage chamber of the moulding chamber in left side and the combination of the moulding chamber in right side, has avoided plastics mould high pressure during operation because of inside has gas, thereby makes plastics mould annotate the result that the material is not enough to lead to the finished product to lack the material.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic structural view of the right plastic mold of the present invention;

fig. 3 is a schematic longitudinal sectional structure of the present invention;

fig. 4 is a schematic top view of the present invention.

In fig. 1, a device main body; 2. a right plastic mold; 3. a left plastic mold; 4. a right plastic-shaped cavity; 5. positioning the bump; 6. a positioning groove; 7. a thimble hole; 8. air holes are formed; 9. a right injection hole; 10. a right injection clamping seat; 11. a right slide plate; 12. a left slide plate; 13. a slide bar; 14. a slide hole; 15. a thimble; 16. a left plastic-shaped cavity; 17. a left material injection clamping seat; 18. and a left material injection hole.

Detailed Description

As shown in fig. 1-4, a plastic mold for plastic product production comprises a device main body 1, wherein a left plastic mold 3 is arranged at the left end of the device main body 1, left slide plates 12 are respectively arranged at the left side positions of the upper and lower ends of the left plastic mold 3, slide holes 14 are respectively formed in the left slide plates 12 near the left and right sides in a penetrating manner, positioning grooves 6 are respectively arranged at the positions of the right side surface of the left plastic mold 3 near the edge positions, a left plastic cavity 16 is formed at the center position of the right side surface of the left plastic mold 3, a right plastic mold 2 is arranged at the right end of the device main body 1, right slide plates 11 are respectively arranged at the right side positions of the upper and lower ends of the right plastic mold 2, positioning bumps 5 are respectively arranged at the positions of the left side surface of the right plastic mold 2 near the edge positions;

left side material hole 18 has been seted up to 3 right sides of left side plastic mold upper end intermediate positions, left side slide 12 right sides is close to lower extreme position and is provided with left notes material cassette 17, right side material hole 9 has been seted up to 2 left sides of right plastic mold upper end intermediate positions, right side slide 11 right sides is close to lower extreme position and is provided with right notes material cassette 10, right notes material cassette 10 bilateral symmetry has been seted up bleeder vent 8, moulding chamber 4 left sides in the right side all is provided with thimble hole 7 near the extreme angle position, be provided with slide bar 13 between right side slide 11 and the left slide 12.

The left injection material clamping seat 17 and the right injection material clamping seat 10 are both provided with cuboid grooves, and the width of each cuboid groove is half of the length.

The left material injection hole 18 and the right material injection hole 9 are both semicircular conical grooves, and the left material injection hole 18 is identical to the right material injection hole 9 in shape and size.

The positioning convex blocks 5 are matched with the positioning grooves 6 in shape and size, and ejector pins 15 are arranged in the four groups of ejector pin holes 7.

The diameter of the upper end of the semicircular conical groove of the left material injection hole 18 is identical with the width of the cuboid groove of the left material injection clamping seat 17, and the diameter of the upper end of the semicircular conical groove of the right material injection hole 9 is identical with the width of the cuboid groove of the right material injection clamping seat 10.

The left sliding plate 12 and the right sliding plate 11 are matched with a sliding rod 13 and movably arranged in a sliding hole 14, and the width radius of the sliding rod 13 is matched with the aperture of the sliding hole 14.

A plastic mold for plastic product production comprises a left sliding plate 12 and a right sliding plate 11 which are movably crossed through a sliding rod 13 and a sliding hole 14, wherein the left sliding plate 12 moves to the right to drive a left plastic mold 3, the right sliding plate 11 moves to the left to drive a right plastic mold 2, the left plastic mold 3 is crossed with the right plastic mold 2 to enable four groups of air vents 8 to be combined, a left molding cavity 16 is combined with a right molding cavity 4, a left material injection hole 18 and a right material injection hole 9 are combined into a conical groove, a left material injection clamping seat 17 is combined with a right material injection clamping seat 10, a cuboid groove formed in the left material injection clamping seat 17 is combined with a cuboid groove formed in the right material injection clamping seat 10 into a cuboid groove, the right plastic mold 2 moves to the left to drive a positioning bump 5, the left plastic mold 3 is crossed with the right plastic mold 2 to enable the four groups of positioning bumps 5 to move into the positioning groove 6, a plastic melt is matched with the cuboid groove formed by the left material injection hole 18 and the right material injection clamping seat 10 to be combined with the right material And the conical groove flows into the molding storage cavity combined by the left molding cavity 16 and the right molding cavity 4 for shaping, the air holes 8 are used for ventilating the molding storage cavity, so that the plastic finished product is prevented from being short of materials, the left sliding plate 12 and the right sliding plate 11 are separated from each other left and right through the sliding rod 13 and the sliding hole 14 after the final processing is finished, the ejector pins 15 are matched with the ejector pin holes 7 for moving and taking the plastic finished product, the ejector pins 15 are arranged on the side surfaces of the two plastic molds, the ejector pins 15 are not limited, and the difficulty in taking the plastic finished product is reduced.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. A plastic mould for producing plastic products comprises a device main body (1) and is characterized in that, a left plastic die (3) is arranged at the left end of the device main body (1), left sliding plates (12) are arranged at the left positions of the upper end and the lower end of the left plastic die (3), sliding holes (14) are respectively formed in the left sliding plate (12) close to the left side and the right side in a penetrating manner, positioning grooves (6) are respectively arranged at the positions of the right side surface of the left plastic mold (3) close to the side corners, a left plastic cavity (16) is arranged in the center of the right side surface of the left plastic mould (3), the right end of the device main body (1) is provided with a right plastic mould (2), the right side positions of the upper end and the lower end of the right plastic mould (2) are respectively provided with a right sliding plate (11), the positions of the left side surface of the right plastic mould (2) close to the edge are provided with positioning lugs (5), a right plastic cavity (4) is formed in the center of the left side face of the right plastic mold (2);

left side plastic mold (3) right flank upper end intermediate position has seted up left notes material hole (18), left side slide (12) right flank is close to lower extreme position and is provided with left notes material cassette (17), right side plastic mold (2) left flank upper end intermediate position has seted up right notes material hole (9), right side slide (11) right flank is close to lower extreme position and is provided with right notes material cassette (10), right notes material cassette (10) bilateral symmetry has seted up bleeder vent (8), right side plastic mold chamber (4) left flank is close to the edge angle position and all is provided with thimble hole (7), be provided with slide bar (13) between right side slide (11) and left slide (12).

2. The plastic mold for plastic product production according to claim 1, wherein the left injection material clamping seat (17) and the right injection material clamping seat (10) are both provided with rectangular grooves, and the width of the rectangular groove is half of the length.

3. The plastic mold for plastic product production as claimed in claim 1, wherein the left material injection hole (18) and the right material injection hole (9) are both semi-conical grooves, and the left material injection hole (18) and the right material injection hole (9) are identical in shape and size.

4. The plastic mold for plastic product production as claimed in claim 1, wherein the positioning protrusion (5) and the positioning groove (6) are matched in shape and size, and the four thimble holes (7) are provided with thimbles (15) therein.

5. The plastic mold for plastic product production according to claim 1, wherein the diameter of the upper end of the semicircular conical groove of the left material injection hole (18) is identical to the width of the rectangular groove of the left material injection clamping seat (17), and the diameter of the upper end of the semicircular conical groove of the right material injection hole (9) is identical to the width of the rectangular groove of the right material injection clamping seat (10).

6. The plastic mold for plastic product production according to claim 1, wherein the left slide plate (12) and the right slide plate (11) are movably mounted in the slide hole (14) in cooperation with the slide rod (13), and the width radius of the slide rod (13) is matched with the aperture of the slide hole (14).