CN213137673U

CN213137673U - High-efficient injection mold

Info

Publication number: CN213137673U
Application number: CN202021885811.1U
Authority: CN
Inventors: 赵春华
Original assignee: Zhuhai Jitian Precision Plastic Mould Co ltd
Current assignee: Zhuhai Jitian Precision Plastic Mould Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-05-07
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a high-efficiency injection mold, which comprises an upper mold and a lower mold, wherein the surface of the upper mold is movably connected with an upper inner cavity plate, the two side surfaces of the upper inner cavity plate are movably connected with two groups of first elongated plates, the surface of each group of the first elongated plates is movably connected with a group of second elongated plates, nuts are welded on the outer surfaces of the two sides of the upper mold, each group of surfaces of the nuts is in threaded connection with a group of bolts, the surface of each bolt is welded with a second linkage gear, the surface of the second linkage gear is occluded with a linkage belt, a linkage rod is connected with a rotating shaft of the outer surface of the upper inner cavity plate, and four groups of positioning rods are welded on the outer surface of the lower end of the upper mold; this injection mold can increase the height of mould inner chamber according to the needs of moulding plastics, and secondly, this mould can accomplish the drawing of patterns after separating last mould and bed die.

Description

High-efficient injection mold

Technical Field

The utility model belongs to the mould field, concretely relates to high-efficient injection mold.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

The area of an inner cavity of an existing injection mold is fixed, objects of different sizes are injected, different molds are needed, cost is increased possibly, the mold is inconvenient to demold, the demolding period is prolonged, and therefore the high-efficiency injection mold is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient injection mold 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: a high-efficiency injection mold comprises an upper mold and a lower mold, wherein the surface of the upper mold is movably connected with an upper inner cavity plate, two groups of first elongated plates are movably connected with mirror images on the two sides of the upper inner cavity plate in a mirror manner, each group of first elongated plates is movably connected with a group of second elongated plates on the surface, nuts are welded on the outer surfaces of the two sides of the upper mold, each group of nuts is connected with a group of bolts in a threaded manner, a second linkage gear is welded on the surface of each bolt, a linkage belt is connected on the surface of the second linkage gear in an occluded manner, a linkage rod is connected on the outer surface of the upper end of the upper inner cavity plate in a rotating manner, four groups of positioning rods are welded on the outer surface of the lower end of the upper mold, a movable groove is formed on the outer surface of the upper end of the lower mold, the outer surface welding of the upper end of backup pad has the support column, the outer surface welding of the upper end of support column has the stripper plate, the both sides surface swing joint of going up the mould has two sets of spacing fixture blocks.

Preferably, the two sides of the upper inner cavity plate are welded with third sliding blocks, a third sliding groove is formed in the surface of the first elongated plate, and the upper inner cavity plate is embedded into the third sliding groove through the third sliding blocks and is movably connected with the first elongated plate.

Preferably, the surface of the first elongated plate is welded with a second sliding block, the surface of the second elongated plate is provided with a second sliding groove, and the first elongated plate is embedded into the second sliding groove through the second sliding block and is movably connected with the second elongated plate.

Preferably, the surface welding of second elongated plate has first slider, first spout has been seted up on the surface of last mould, second elongated plate passes through first slider embedding first spout and last mould swing joint.

Preferably, the upper die is movably connected with the lower die through a positioning rod embedded into the movable groove, and the supporting column penetrates through the lower die and is welded and fixed with the stripper plate.

Preferably, the surface rotating shaft of the linkage rod is connected with a first linkage gear, and the first linkage gear is in linkage connection with the two groups of second sliding grooves through a linkage belt.

Preferably, the upper limiting grooves are formed in the surfaces of the two sides of the upper die, the lower limiting grooves are formed in the surfaces of the two sides of the lower die, and the limiting clamping blocks are embedded into the upper limiting grooves and the lower limiting grooves to enable the upper die and the lower die to be relatively fixed.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through last inner chamber board, first extension board and second extension board, go up mould accessible swivel bolt, tensile inner chamber board, first extension board, second extension board in, can increase the inner chamber height that forms with the bed die through tensile inner chamber board, first extension board, second extension board.

2. Through the spring, when the upper die and the lower die are closed, the positioning rod enables the spring to generate elastic deformation, when the upper die and the lower die are separated, the elastic potential energy of the spring pushes the stripper plate upwards, so that the injection molding is stripped, and the stripping is finished after the die is opened.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the mold clamping fixture of the present invention;

fig. 3 is a schematic view of the linkage belt of the present invention.

In the figure: 1. an upper die; 2. an upper inner cavity plate; 3. a first elongated plate; 4. a second elongated plate; 5. a nut; 6. a bolt; 7. a linkage belt; 8. a linkage rod; 9. positioning a rod; 10. a lower die; 11. a spring; 12. a support plate; 13. a support pillar; 14. a stripper plate; 15. a first chute; 16. a second chute; 17. a third chute; 18. a first slider; 19. a second slider; 20. a third slider; 21. a first linkage gear; 22. a movable groove; 23. a limiting clamping block; 24. an upper limiting groove; 25. a lower limiting groove; 26. a second linkage gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-efficiency injection mold comprises an upper mold 1 and a lower mold 10, wherein the surface of the upper mold 1 is movably connected with an upper inner cavity plate 2, two groups of first elongated plates 3 are movably connected with the surfaces of two sides of the upper inner cavity plate 2 in a mirror image manner, one group of second elongated plates 4 are movably connected with the surfaces of each group of the first elongated plates 3, nuts 5 are welded on the outer surfaces of two sides of the upper mold 1, a group of bolts 6 are in threaded connection with each group of surfaces of the nuts 5, a second linkage gear 26 is welded on the surface of each bolt 6, a linkage belt 7 is connected on the surface of each second linkage gear 26 in an occlusion manner, a linkage rod 8 is connected on the outer surface of the upper end of the upper inner cavity plate 2 in a rotating shaft manner, four groups of positioning rods 9 are welded on the outer surface of the lower end of the upper mold 1, a movable groove 22 is formed on the outer surface, the outer surface of the upper end of the supporting plate 12 is welded with a supporting column 13, the outer surface of the upper end of the supporting column 13 is welded with a demoulding plate 14, and two side surfaces of the upper mould 1 are movably connected with two groups of limiting clamping blocks 23.

Further, both sides of the upper inner cavity plate 2 are welded with third sliders 20, the surface of the first elongated plate 3 is provided with a third sliding groove 17, the upper inner cavity plate 2 is embedded into the third sliding groove 17 through the third sliders 20 and is movably connected with the first elongated plate 3, the surface of the first elongated plate 3 is welded with a second slider 19, the surface of the second elongated plate 4 is provided with a second sliding groove 16, the first elongated plate 3 is embedded into the second sliding groove 16 through the second slider 19 and is movably connected with the second elongated plate 4, the surface of the second elongated plate 4 is welded with a first slider 18, the surface of the upper mold 1 is provided with a first sliding groove 15, the second elongated plate 4 is embedded into the first sliding groove 15 through the first slider 18 and is movably connected with the upper mold 1, the upper mold 1 is embedded into the movable groove 22 through the positioning rod 9 and is movably connected with the lower mold 10, the supporting column 13 penetrates through the lower mold 10 and is fixedly welded with the demolding plate 14, the surface rotating shaft of the linkage rod 8 is connected with a first linkage gear 21, the first linkage gear 21 is in linkage connection with the two groups of second sliding grooves 16 through the linkage belt 7, upper limiting grooves 24 are formed in the surfaces of the two sides of the upper die 1, lower limiting grooves 25 are formed in the surfaces of the two sides of the lower die 10, and the upper limiting clamping block 23 is embedded into the upper limiting grooves 24 and the lower limiting grooves 25 to enable the upper die 1 and the lower die 10 to be relatively fixed.

The utility model discloses a theory of operation and use flow: when the die is used, the bolt 6 can be rotated to ascend or descend through the nut 5, the bolt 6 is connected with the linkage rod 8 through the linkage belt 7, the linkage rod 8 can ascend or descend along with the bolt 6, when the bolt continuously ascends, the upper inner cavity plate 2 can pull the first elongated plate 3 to ascend after rising to the highest height in the third chute 17, the first elongated plate 3 can pull the second elongated plate 4 to ascend after rising to the highest height in the second chute 16, the inner cavity of the die reaches the maximum after the second elongated plate 4 rises to the highest height in the first chute 15, the size of the inner cavity formed by the upper die 1 and the lower die 10 can be adjusted according to the size of an injection molding object, when the upper die 1 and the lower die 10 are closed, the positioning rod 9 is embedded into the movable groove 22, then the limiting clamping block 23 is embedded into the upper limiting groove 24 and the lower limiting groove 25 to be fixed, when the positioning rod 9 is embedded into the movable groove 22, the supporting plate 12 can be extruded to enable the spring 11 to generate elastic deformation, storing elastic potential energy, when the upper die 1 is separated from the lower die 10, the elastic potential energy of the spring 11 pushes the support plate 12 upwards, the support plate 12 drives the support column 13 to move upwards, the support column 13 pushes the stripper plate 14 upwards, and the stripper plate 14 drives the injection molding object to move upwards when moving upwards, so that the injection molding object is stripped.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient injection mold, includes upper mold (1) and bed die (10), its characterized in that: the surface of the upper die (1) is movably connected with an upper inner cavity plate (2), two side surface mirror images of the upper inner cavity plate (2) are movably connected with two sets of first elongated plates (3), the surface of each set of the first elongated plates (3) is movably connected with a set of second elongated plates (4), nuts (5) are welded on the outer surfaces of the two sides of the upper die (1), a set of bolts (6) are in threaded connection with each set of surface of the nuts (5), second linkage gears (26) are welded on the surfaces of the bolts (6), linkage belts (7) are connected on the surfaces of the second linkage gears (26) in an occluded manner, linkage rods (8) are connected on outer surface rotating shafts of the upper end of the upper inner cavity plate (2), four sets of positioning rods (9) are welded on the outer surface of the lower end of the upper die (1), movable grooves (22) are formed on the outer surface of the upper end of the, the lower extreme internal surface welding of bed die (10) has spring (11), the outer skin weld in upper end of spring (11) has backup pad (12), the outer skin weld in upper end of backup pad (12) has support column (13), the outer skin weld in upper end of support column (13) has stripper plate (14), the both sides surface swing joint of going up mould (1) has two sets of spacing fixture blocks (23).

2. A high efficiency injection mold as defined in claim 1, wherein: go up the both sides welding of interior cavity board (2) and have third slider (20), third spout (17) have been seted up on the surface of first extension plate (3), go up interior cavity board (2) and imbed third spout (17) and first extension plate (3) swing joint through third slider (20).

3. A high efficiency injection mold as defined in claim 1, wherein: the surface welding of first elongated plate (3) has second slider (19), second spout (16) have been seted up on the surface of second elongated plate (4), first elongated plate (3) are through second slider (19) embedding second spout (16) and second elongated plate (4) swing joint.

4. A high efficiency injection mold as defined in claim 1, wherein: the surface welding of second elongated plate (4) has first slider (18), first spout (15) have been seted up on the surface of last mould (1), second elongated plate (4) are through first slider (18) embedding first spout (15) and last mould (1) swing joint.

5. A high efficiency injection mold as defined in claim 1, wherein: the upper die (1) is movably connected with the lower die (10) by being embedded into the movable groove (22) through the positioning rod (9), and the supporting column (13) penetrates through the lower die (10) and is welded and fixed with the stripper plate (14).

6. A high efficiency injection mold as defined in claim 1, wherein: the surface rotating shaft of the linkage rod (8) is connected with a first linkage gear (21), and the first linkage gear (21) is in linkage connection with the two groups of second sliding grooves (16) through a linkage belt (7).

7. A high efficiency injection mold as defined in claim 1, wherein: the upper limiting groove (24) is formed in the surfaces of the two sides of the upper die (1), the lower limiting groove (25) is formed in the surfaces of the two sides of the lower die (10), and the upper die (1) and the lower die (10) are relatively fixed through the limiting clamping block (23) which is embedded into the upper limiting groove (24) and the lower limiting groove (25).