CN210501246U

CN210501246U - Multi-cavity injection molding mold

Info

Publication number: CN210501246U
Application number: CN201921281759.6U
Authority: CN
Inventors: 张迪
Original assignee: Shaanxi Bodi Plastic Co Ltd
Current assignee: Shaanxi Bodi Plastic Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-12
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to the technical field of mold, it includes upper die base and die holder, be provided with the support column on the die holder, be provided with the backup pad on the support column, be provided with the die board in the backup pad, the shaping hole has been seted up on the die board, be provided with the push pedal between backup pad and the die holder, be provided with the push rod in the push pedal, push rod one end is provided with the ejector pad, be provided with the shaping post on the ejector pad, be provided with the flange plate on the die board, the flange plate is connected with the upper die base, be provided with exocoel cover post on the flange plate, exocoel cover post forms the shaping chamber with the shaping post, be provided with the runner subassembly on upper die base and the flange plate, the cover is equipped with the. The multicavity injection moulding mould of design through the push rod, can release the injection molding in the shaping hole, is convenient for take out the product in the chamber of moulding plastics, can reset automatically again, increases substantially the machining efficiency of mould, and the practicality reinforcing.

Description

Multi-cavity injection molding mold

Technical Field

The utility model relates to the technical field of mold, especially, relate to a multicavity injection molding mould.

Background

A die is a tool that forms a blank into an article having a particular shape and size under the action of an external force. At present, the application of the mold in industry is more and more extensive, the mold mainly comprises injection molding, blow molding, extrusion, die-casting molding, stamping and the like, and the injection mold is mainly used for molding non-metal products.

Chinese patent publication No. CN204844715U discloses a multi-cavity injection mold, this multi-cavity injection mold includes front mould and back mould, front mould and back mould surface are provided with the injecting glue mouth, including mainstream hole and splitter box, mainstream hole and splitter box set up in front mould or back mould wantonly and distribute on the mould of difference, the chamber of moulding plastics distributes on the mould at splitter box place, mainstream hole and splitter box communicate behind multi-cavity injection mold compound die, mainstream hole communicates with the injecting glue mouth of its place mould, a plurality of injection molding chamber intercommunication of splitter box and multi-cavity injection mold, the splitter box includes a plurality of mutually independent reposition of redundant personnel units, each reposition of redundant personnel unit includes a convergent point and a plurality of branch runner, branch runner extends to a plurality of injection molding chambers of multi-cavity injection mold and communicates rather than from convergent point to outward, the contact intercommunication of convergent point of main flow hole and each reposition of redundant personnel unit behind multi-cavity injection mold compound die.

This multicavity injection mold is at the course of the work, at first, will mould plastics liquid and follow the injecting glue mouth and pour into, and the liquid that moulds plastics flows into the splitter box along mainstream hole, flows into the chamber of moulding plastics along the splitter box again, after a period of standing in the chamber of moulding plastics, the product shaping.

Above-mentioned multicavity injection mold needs carry out whole split to the mould in the course of working, and lacks the release subassembly of product spare, and the product is inconvenient to be taken out from the mould, seriously influences the machining efficiency of mould.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multicavity injection moulding mould through the push rod, can release the injection molding in the shaping hole, is convenient for take out the product in the chamber of moulding plastics, can reset automatically again, increases substantially the machining efficiency of mould, improves the practicality.

The above object of the present invention can be achieved by the following technical solutions:

a multi-cavity injection molding die comprises an upper die holder and a lower die holder, wherein at least four groups of support columns are uniformly distributed on the lower die holder, a support plate is arranged at one end, away from the lower die holder, of each support column, a concave die plate is arranged on each support plate, a plurality of forming holes are uniformly distributed in each concave die plate, a push plate is arranged between each support plate and the lower die holder, a plurality of groups of push rods are arranged on each push plate, each push rod penetrates through the support plates and the corresponding concave die plates to reach the corresponding forming holes, a push block is arranged at one end, away from the push plates, of each push block, each push block is matched with the corresponding forming hole and can slide along the corresponding forming hole, a forming column is arranged on each push block, a convex die plate is arranged at one side, away from the support plates, each convex die plate is connected with the upper die holder, outer cavity sleeve columns, the upper die base and the convex die plate are provided with a pouring gate assembly communicated with the forming cavity, the push rod is sleeved with a spring, one end of the spring is connected with the supporting plate, and the other end of the spring is connected with the push plate.

According to the technical scheme, the casting liquid is poured along the pouring gate assembly, the casting liquid flows into the forming cavity along the pouring gate assembly, cooling forming is conducted in the forming cavity, after the casting liquid is cooled, the convex template is separated from the concave template, the push plate is adjusted, the push plate pushes the push rod to move, the spring is compressed, the push rod pushes the push block to slide along the forming hole, meanwhile, the push block pushes the forming column to move, the forming column drives the injection molding piece to move, when the injection molding piece moves to a position convenient to take out, an operator takes out the injection molding piece, then, force application to the push plate is stopped, the spring is recovered, the push plate is pushed to move, the push plate drives the push rod to; the multicavity injection moulding mould of design through the push rod, can release the injection molding in the shaping hole, is convenient for take out the product in the chamber of moulding plastics, can reset automatically again, increases substantially the machining efficiency of mould, and the practicality reinforcing.

The utility model discloses further set up to, run through the die holder be provided with the slide bar that the die holder slided and connects, slide bar one end is connected with the push pedal diapire.

Through implementing above-mentioned technical scheme, the slide bar of design is convenient for carry out the application of force to the push pedal, makes the push pedal slide, and then promotes the push rod and drives the injection molding motion.

The utility model discloses further set up to, run through the push pedal seted up with the support column corresponds the hole of sliding that distributes, the hole of sliding sets up and can supply with the support column cooperation the support column slides.

Through implementing above-mentioned technical scheme, the cooperation setting of sliding hole and support column can lead the push pedal, makes push pedal support column axial direction move.

The utility model discloses further set up to, the runner subassembly include in the runner of seting up on the upper die base roof, the mounting hole has been seted up to the runner diapire, the mounting hole runs through upper die base and convex die plate set up, runner department installs the runner cover, the runner cover is installed with the mounting hole cooperation, the runner cover has seted up mainstream hole along the axis direction, the concave die plate be close to convex die plate one side be provided with a plurality of splitter boxes of mainstream hole intercommunication, splitter box evenly distributed on the concave die plate and correspond the setting with the shaping chamber, seted up on the exocoel socle with the through-flow hole of splitter box intercommunication, the through-flow hole passes exocoel socle and shaping chamber intercommunication.

Pouring the casting liquid to the pouring gate, wherein the casting liquid moves downwards along the main flow hole under the action of gravity and then moves along the diversion channel, and finally flows into the molding cavity along the through flow hole and is cooled and molded in the molding cavity; the runner subassembly of design, the pouring fluid of being convenient for flows, and the splitter box of even setting, and the equal shaping of injection molding in each shaping chamber of being convenient for avoids the reposition of redundant personnel inhomogeneous, influences the injection molding quality.

The utility model discloses further set up to, the mainstream hole is provided with the splitter box junction and is located delay groove on the die plate.

Through implementing above-mentioned technical scheme, the stagnant groove of design is convenient for converge for the pouring liquid that flows into in every splitter box tends to the same.

The utility model discloses further set up to, mainstream hole cross-section is the toper setting.

Through implementing above-mentioned technical scheme, the mainstream hole cross-section is the toper setting, is convenient for control pouring liquid flow in the flow of shaping chamber, reduces the waste of pouring liquid, reduce cost.

The utility model discloses further set up to, the through-flow hole has the splitter box to become the die cavity by high to low setting, and the through-flow hole keeps away from splitter box one end and becomes the die cavity highest point intercommunication.

By implementing the technical scheme, the through flow holes are obliquely arranged, so that the pouring liquid can conveniently flow into the molding cavity; the splitter box is connected with the highest position of the molding cavity, so that the injection molding part can be molded conveniently.

The utility model discloses further set up to, be provided with at least two sets of guide pillars on the die plate, just the guide pillar diagonal distribution is on the die plate, be provided with on the die plate with guide pillar complex guide pin bushing, the guide pillar corresponds the setting with the guide pin bushing.

Through implementing above-mentioned technical scheme, the guide pillar and the guide pin bushing of design can lead to convex die plate and die plate, improve the precision of injection molding.

To sum up, the utility model discloses following beneficial effect has:

the multi-cavity injection molding die can push out an injection molding piece in a molding hole through the push rod, so that a product in an injection molding cavity can be taken out conveniently, automatic reset can be realized, the processing efficiency of the die is greatly improved, and the practicability is enhanced;

two, this multicavity injection moulding mould, the through-flow hole of design, the casting liquid of being convenient for flows, improves the rate of pouring of casting liquid, and the casting liquid of being convenient for flows into the shaping chamber, simultaneously, the injection molding of being convenient for.

Drawings

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

Fig. 2 is a sectional view taken along the plane a-a of fig. 1.

Reference numerals: 1. an upper die holder; 11. a guide post; 12. a guide sleeve; 2. a convex template; 3. a cavity plate; 31. forming holes; 32. an outer cavity sleeve column; 33. a molding cavity; 4. a support plate; 5. a support pillar; 6. a lower die holder; 7. a slide bar; 8. a gate assembly; 81. a gate; 82. a sprue bush; 83. a primary flowbore; 84. a retention tank; 85. a shunt slot; 86. a through-flow aperture; 87. mounting holes; 9. pushing the plate; 91. a sliding hole; 92. a push rod; 93. a spring; 94. a push block; 95. and (5) forming the column.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a multi-cavity injection molding mold comprises an upper mold base 1 and a lower mold base 6, wherein four groups of uniformly distributed support columns 5 are arranged on the lower mold base 6, a support plate 4 is arranged at one end of each support column 5, which is far away from the lower mold base 6, a cavity plate 3 is arranged on the support plate 4, the cavity plate, the support columns 5, the support plate 4 and the cavity plate 3 are connected through four groups of bolts, eight groups of uniformly distributed molding holes 31 are formed in the cavity plate 3, a push plate 9 is arranged between the support plate 4 and the lower mold base 6, a sliding hole 91 is formed through the push plate 9 and is distributed corresponding to the support column 5, the sliding hole 91 and the support column 5 are arranged in a sliding manner, eight groups of push rods 92 are fixedly connected to one side, which is far away from the lower mold base 6, of the push rods 92 penetrate through the support plate 4 and the cavity plate 3 to the molding holes 31, a push block, push block 94 keeps away from push rod 92 one side fixedly connected with shaping post 95, cavity die plate 3 keeps away from 4 one sides of backup pad and is provided with convex die plate 2, convex die plate 2 and upper die base 1 are through the bolted connection of two sets of diagonal distributions, 2 diapire fixedly connected with of convex die plate and the exocoel socle 32 of shaping post 95 one-to-one, exocoel socle 32 forms into die cavity 33 with shaping post 95, the cover is equipped with spring 93 on the push rod 92, spring 93 one end is connected with backup pad 4, the other end is connected with push pedal 9, it is provided with the slide bar 7 of being connected with lower bolster 6 slides to run through lower bolster 6, slide bar 7 one end and push pedal 9 diap.

As shown in fig. 2, a gate assembly 8 communicated with the molding cavity 33 is disposed on the upper die base 1 and the male die plate 2, the gate assembly 8 includes a gate 81 disposed on the top wall of the upper die base 1, a mounting hole 87 is disposed on the bottom wall of the gate 81, the mounting hole 87 penetrates through the upper die base 1 and the male die plate 2, a gate sleeve 82 is disposed at the gate 81, the gate sleeve 82 is mounted in cooperation with the mounting hole 87, a main flow hole 83 is disposed along the axial direction of the gate sleeve 82, the section of the main flow hole 83 is tapered, an eight-component runner 85 communicated with the main flow hole 83 is disposed on one side of the female die plate 3 close to the male die plate 2, a retention groove 84 disposed on the female die plate 3 is disposed at the junction of the main flow hole 83 and the runner 85, the runner 85 is uniformly distributed on the female die plate 3 and corresponds to the molding cavity 33, a through flow hole 86 communicated with the runner 85 is disposed on the outer cavity sleeve column 32, the runner 86 has a, and the end of the through-flow hole 86 remote from the dividing groove 85 communicates with the highest position of the molding cavity 33.

As shown in fig. 2, two sets of guide posts 11 are disposed on the cavity plate 3, the guide posts 11 are diagonally distributed on the cavity plate 3, a guide sleeve 12 matched with the guide posts 11 is disposed on the cavity plate 2, and the guide posts 11 and the guide sleeve 12 are disposed correspondingly.

The utility model discloses the theory of operation does: pouring the casting liquid to the sprue 81, making the casting liquid move downwards along the main flow hole 83 under the action of gravity and flow to the retention groove 84, when the casting liquid in the retention groove 84 tends to be full, making the casting liquid move along the diversion groove 85, finally flowing into the molding cavity 33 along the through flow hole 86, cooling and molding in the molding cavity 33, after the casting liquid is cooled, separating the convex template 2 from the concave template 3 to completely separate the convex template 2 from the concave template 3, adjusting the sliding rod 7, driving the push plate 9 to move along the axial direction of the support pillar 5 by the sliding rod 7, driving the push rod 92 by the push plate 9 to move, compressing the spring 93 by the push rod 92, sliding the push block 94 along the molding hole 31, simultaneously, driving the molding pillar 95 to move by the push block 94, driving the injection molding piece to move to a position convenient to take out, taking out the injection molding piece by an operator, then stopping applying force to the push plate 9, recovering the spring 93, the push plate 9 is pushed to move, the push plate 9 drives the push rod 92 to move, and the push rod 92 drives the push block 94 to reset.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The multi-cavity injection molding mold is characterized by comprising an upper mold base (1) and a lower mold base (6), wherein at least four groups of uniformly distributed support columns (5) are arranged on the lower mold base (6), a support plate (4) is arranged at one end, far away from the lower mold base (6), of each support column (5), a concave mold plate (3) is arranged on each support plate (4), a plurality of uniformly distributed molding holes (31) are formed in each concave mold plate (3), a push plate (9) is arranged between each support plate (4) and the corresponding lower mold base (6), a plurality of groups of push rods (92) are arranged on each push plate (9), each push rod (92) penetrates through each support plate (4) and each concave mold plate (3) to each molding hole (31), a push block (94) is arranged at one end, far away from each push plate (9), of each push block (94) is matched with each molding hole (31) and can slide along each molding hole (31), the die is characterized in that a forming column (95) is arranged on the push block (94), a convex die plate (2) is arranged on one side, away from the supporting plate (4), of the concave die plate (3), the convex die plate (2) is connected with the upper die base (1), outer cavity sleeve columns (32) which are in one-to-one correspondence with the forming columns (95) are arranged on the convex die plate (2), forming cavities (33) are formed by the outer cavity sleeve columns (32) and the forming columns (95), a pouring gate assembly (8) communicated with the forming cavities (33) is arranged on the upper die base (1) and the convex die plate (2), a spring (93) is sleeved on the push rod (92), one end of the spring (93) is connected with the supporting plate (4), and the other end of the spring is connected with the push plate.

2. A multi-cavity injection mould according to claim 1, wherein a sliding rod (7) connected with the lower mould base (6) in a sliding way is arranged through the lower mould base (6), and one end of the sliding rod (7) is connected with the bottom wall of the push plate (9).

3. A multi-cavity injection mold according to claim 1, wherein sliding holes (91) are formed through the push plate (9) and distributed correspondingly to the support columns (5), and the sliding holes (91) are matched with the support columns (5) and can be used for the support columns (5) to slide.

4. The multi-cavity injection molding mold according to claim 1, wherein the gate assembly (8) comprises a gate (81) formed on the top wall of the upper mold base (1), the bottom wall of the gate (81) is provided with a mounting hole (87), the mounting hole (87) penetrates through the upper mold base (1) and the male mold plate (2), the gate (81) is provided with a gate sleeve (82), the gate sleeve (82) is installed in cooperation with the mounting hole (87), the gate sleeve (82) is provided with a main flow hole (83) along the axial direction, one side of the female mold plate (3) close to the male mold plate (2) is provided with a plurality of flow distribution grooves (85) communicated with the main flow hole (83), the flow distribution grooves (85) are uniformly distributed on the female mold plate (3) and are arranged corresponding to the molding cavity (33), the outer cavity sleeve column (32) is provided with a flow distribution hole (86) communicated with the flow distribution grooves (85), the through-flow opening (86) communicates with the molding cavity (33) through the outer cavity sleeve column (32).

5. A multi-cavity injection mold according to claim 4, wherein a stagnation groove (84) is provided on the cavity plate (3) at the junction of the main flow hole (83) and the branch flow groove (85).

6. A multi-cavity injection mold according to claim 5, wherein the main flow holes (83) are tapered in cross-section.

7. A multi-cavity injection mold according to claim 6, wherein the through-flow holes (86) are arranged from high to low from the dividing groove (85) to the molding cavity (33), and one end of the through-flow holes (86) far from the dividing groove (85) is communicated with the highest position of the molding cavity (33).

8. A multi-cavity injection mold according to claim 1, wherein at least two sets of guide pillars (11) are provided on the cavity plate (3), the guide pillars (11) are diagonally distributed on the cavity plate (3), the guide sleeve (12) is provided on the cavity plate (2) and is engaged with the guide pillars (11), and the guide pillars (11) and the guide sleeve (12) are correspondingly provided.