CN217862638U

CN217862638U - Injection mold thimble structure

Info

Publication number: CN217862638U
Application number: CN202222053460.3U
Authority: CN
Inventors: 冯江涛; 张玉叶; 杜玉利
Original assignee: Linqu County Jichang Packaging Products Factory
Current assignee: Linqu County Jichang Packaging Products Factory
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-22
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses an injection mold thimble structure relates to injection mold technical field, including fixed main mould and mount, the threaded rod is installed to both ends limit portion symmetry about between fixed main mould and the mount, a plurality of threaded rod surface one side slidable mounting have the slider, slider one side middle part rigid coupling has the vice mould of slip, slider one side middle part is located the inside perforating hole of having seted up of the vice mould of slip, a plurality of ejecting holes have been seted up at the vice mould one side middle part of slip, ejecting hole inner wall one side limit portion has seted up fixed inner chamber, fixed inner chamber is inside to pass ejecting hole slidable mounting has T type slide bar, T type slide bar surface one side limit portion cover is equipped with the spring, the utility model discloses have the effect that reduces the thimble and cause great damage to shaping plastics, improved shaping plastics stability when ejecting, make people more convenient when the operation, solved single thimble main part and shaping plastics butt problem that easy impact the damage to shaping plastics when.

Description

Injection mold thimble structure

Technical Field

The utility model belongs to the technical field of the injection mold technique and specifically relates to an injection mold thimble structure is related to.

Background

The mould is used for obtaining various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, and specifically, the mould is formed by injecting heated and melted plastics into a mould cavity at high pressure by an injection molding machine, cooling and solidifying the plastics, and a thimble is an accessory of a plastic mould and is used for ejecting the products after the products are subjected to injection molding.

Because plastics bond on the inner wall of mould after injection moulding in the mould, when the thimble is ejecting to the product of moulding plastics, because the tip of thimble is in that the plastics area of contact is less, and the thimble is inhomogeneous to the application of force of shaping plastics, consequently the thimble easily produces the impact force to plastics when ejecting shaping plastics, easily causes the damage to the plastics of just shaping to difficult ejecting shaping plastics, and then bring certain influence to injection mould's availability factor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an injection mold thimble structure has the effect that reduces the thimble and cause great damage to shaping plastics.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

injection mold thimble structure, including fixed main mould and mount, the threaded rod is installed to both ends limit portion symmetry about between fixed main mould and the mount, and is a plurality of threaded rod surface one side slidable mounting has the slider, slider one side middle part rigid coupling has vice mould of slip, slider one side middle part is located the vice mould of slip inside and has seted up the perforating hole, a plurality of liftout holes have been seted up at vice mould one side middle part of slip, fixed inner chamber has been seted up to liftout hole inner wall one side limit portion, fixed inner chamber is inside to pass liftout hole slidable mounting and has T type slide bar, T type slide bar surface one side limit portion cover is equipped with the spring, the inside slidable mounting of vice mould of slip has the movable block, movable block one side is located the inside welding of liftout hole and has a plurality of thimble main parts, the standing groove has been seted up to vice mould surface one side limit portion of slip, standing groove internally mounted has the movable sleeve, movable sleeve inner wall one side and a plurality of T type slide bar fixed connection, the inside dead lever welding of perforating hole has been located in the middle part of mount one side.

Preferably, the fixed slot has been seted up to standing groove inner wall one side, the welding has the connecting rod between the fixed slot inner wall both sides, the upper and lower both ends of movable sleeve surface one side limit portion all weld the connecting block with both ends around with, the circular port has been seted up in the middle part of connecting block one side, the groove of moulding plastics has been seted up at fixed main mould one side middle part, the movable sleeve is located inside fixed main mould, it has moulded plastics to mould plastics between fixed main mould and the movable sleeve.

Preferably, through hole inner wall one side is located the vice mould of slip inside and has been seted up and place the chamber, places the chamber around both ends limit portion all be provided with sliding guide, the sliding tray has all been seted up to both ends limit portion around the movable block, the movable block is along sliding guide horizontal slip, simultaneously ejecting hole one side opening is in and places the chamber and be linked together.

Preferably, the diameter of one side edge of the T-shaped sliding rod is smaller than the inner diameter of the fixed inner cavity, the diameter of one side edge of the T-shaped sliding rod is smaller than the inner diameter of the ejection hole, and the T-shaped sliding rod is mutually clamped with the ejection hole.

To sum up, the utility model discloses a following at least one kind of useful technological effect:

the utility model discloses at the in-process that uses, slide along the threaded rod through making the slider, with the inside plastics that carry out of the vice mould side limit portion joint of slip advance fixed master mould, make the vice mould reverse slip of slip after moulding plastics and make the dead lever pass and link up the pore pair slip vice mould top, and then make the dead lever promote that the movable block slides and make a plurality of thimble main parts promote T type slide bar, it is ejecting from the vice mould lateral wall of slip with shaping plastics to make T type slide bar promote the movable sleeve, and then be convenient for take out ejecting shaping plastics, the stability of shaping plastics when ejecting has been improved, it is more convenient to make people when the operation, easily strike the problem that causes the damage to shaping plastics when having solved single thimble main part and shaping plastics butt.

Drawings

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

FIG. 2 is a schematic view of a partial enlarged structure of a middle sliding pair mold of the present invention;

fig. 3 is a schematic diagram of a partial enlarged structure shown in fig. 2 according to the present invention.

Reference numerals: 1. fixing the main die; 2. a fixed mount; 3. a threaded rod; 4. a slider; 5. a sliding pair mold; 6. a through hole; 7. an ejection aperture; 8. fixing the inner cavity; 9. a T-shaped slide bar; 10. a movable sleeve; 11. a spring; 12. a movable block; 13. a thimble main body; 14. a placement groove; 15. fixing grooves; 16. a connecting rod; 17. connecting blocks; 18. molding plastic; 19. and (5) fixing the rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-3, the thimble structure of the injection mold disclosed by the utility model comprises a fixed main mold 1 and a fixed frame 2, threaded rods 3 are symmetrically arranged on the upper and lower end portions between the fixed main mold 1 and the fixed frame 2, a sliding part 4 is slidably arranged on one side of the outer surface of the plurality of threaded rods 3, a sliding sub-mold 5 is fixedly connected to the middle portion of one side of the sliding part 4, the sliding sub-mold 5 is embedded with the fixed main mold 1 by sliding one side portion of the sliding sub-mold 5 along the threaded rods 3 to the inside of the fixed main mold 1, the injection molding machine main body is started to inject the melted plastics into the fixed main mold 1 for injection molding, thereby completing the injection molding of the plastics, a through hole 6 is arranged in the sliding sub-mold 5 at the middle portion of one side of the sliding part 4, a plurality of ejecting holes 7 are arranged in the middle portion of one side of the sliding sub-mold 5, a fixed inner cavity 8 is arranged on one side portion of the inner wall of the ejecting holes 7, a T-shaped sliding rod 9 is arranged in the fixed inner cavity 8 in a sliding mode after penetrating through the ejecting hole 7, a spring 11 is sleeved on one side edge of the outer surface of the T-shaped sliding rod 9, a movable block 12 is arranged in the sliding auxiliary mold 5 in a sliding mode, a plurality of thimble main bodies 13 are welded in the ejecting hole 7 on one side of the movable block 12, one side of the sliding auxiliary mold 5 is taken out of the fixed main mold 1 after the injection molding is finished, the sliding auxiliary mold 5 slides reversely, the T-shaped sliding rod 9 is ejected by pushing the thimble main bodies 13 through the fixed rod 19, the spring 11 is in a contraction state, the effect of ejecting the T-shaped sliding rod 9 by the thimble main bodies 13 is achieved, the operation of people is facilitated, a placing groove 14 is formed in one side edge portion of the outer surface of the sliding auxiliary mold 5, a movable sleeve 10 is arranged in the placing groove 14, one side of the inner wall of the movable sleeve 10 is fixedly connected with the T-shaped sliding rods 9, the fixing rod 19 is welded in the middle of one side of the fixing frame 2 and positioned in the through hole 6, the diameter of the side portion of the T-shaped sliding rod 9 is smaller than the inner diameter of the fixing inner cavity 8, the diameter of the side portion of the T-shaped sliding rod 9 is smaller than the inner diameter of the ejection hole 7, the T-shaped sliding rod 9 is clamped with the ejection hole 7, the T-shaped sliding rod 9 pushes the movable sleeve 10 to slide outwards through the contracted spring 11, injection molding plastic is ejected out of one side of the sliding auxiliary mold 5, and people can collect the molding plastic 18 conveniently.

Referring to fig. 3, and fixed slot 15 has been seted up to standing groove 14 inner wall one side, the welding has connecting rod 16 between the 15 inner wall both sides of fixed slot, connecting block 17 has all been welded at the upper and lower both ends of the outer surface one side limit portion of movable sleeve 10 and front and back both ends, connecting block 17 one side middle part has been link up and has been seted up the circular port, the groove of moulding plastics has been seted up at 1 one side middle part of fixed main mould, movable sleeve 10 is located inside fixed main mould 1, it has moulded plastics 18 to mould plastics between fixed main mould 1 and the movable sleeve 10, slide at connecting rod 16 surfaces through a plurality of connecting blocks 17, and then improved the stability of movable sleeve 10 when sliding, the stable effect of movable sleeve 10 when ejecting plastics has been embodied.

Referring to fig. 2, simultaneously, 6 inner wall one sides of perforating hole are located the vice mould 5 inside of sliding and have been seted up and have been placed the chamber, both ends limit portion all is provided with sliding guide around placing the chamber, the sliding tray has all been seted up to both ends limit portion around the movable block 12, movable block 12 is along the sliding guide horizontal slip, it is linked together in placing the chamber to push out 7 one side openings part simultaneously, slide along sliding guide through making movable block 12, and then it is ejecting to be convenient for a plurality of thimble main parts 13 plastics, stability when movable block 12 slides has been improved, the whole practical function of movable block 12 has been realized.

The implementation principle of the embodiment is as follows: the utility model discloses when using, slide through making slider 4 slide along 3 surfaces of threaded rod, and with the slip sub mould 5 slip plug-in fixed main mould 1 inside, the plastics high pressure that will melt through the injection molding machine main part is jeted into fixed main mould 1 inside and is moulded plastics, treat to take out one side of the vice mould 5 of sliding after the completion of moulding plastics from fixed main mould 1, make the vice mould 5 reverse slip of sliding and make dead lever 19 imbed inside through-hole 6, make the movable block 12 that through-hole 6 promoted the activity make thimble main part 13 slide to ejection hole 7 inside, and then make thimble main part 13 promote T type slide bar 9 and slide, make the movable sleeve 10 outside to the vice mould 5 of sliding slide, and make T type slide bar 9 slide along connecting rod 16 surfaces, make T type slide bar 9 promote the shaping plastics 18 that one side edge portion of the vice mould 5 of sliding portion bondd and drop, and then be convenient for taking out ejecting shaping plastics 18, the stability of shaping plastics 18 when ejecting has been improved, make people more convenient when operating, the problem of easy butt to cause the damage to shaping plastics 18 impact when having solved single thimble main part 13 and shaping plastics 18.

The embodiment of this embodiment is the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. Injection mold thimble structure, including fixed main mold (1) and mount (2), its characterized in that: threaded rods (3) are symmetrically arranged at the upper end part and the lower end part between the fixed main die (1) and the fixed frame (2), a sliding part (4) is arranged at one side of the outer surface of the plurality of threaded rods (3) in a sliding way, a sliding pair die (5) is fixedly connected with the middle part of one side of the sliding part (4), a through hole (6) is arranged in the middle of one side of the sliding part (4) and positioned in the sliding auxiliary die (5), a plurality of ejection holes (7) are arranged in the middle of one side of the sliding pair die (5), a fixed inner cavity (8) is arranged at one side edge part of the inner wall of the ejecting hole (7), a T-shaped sliding rod (9) is arranged in the fixed inner cavity (8) in a sliding way through the ejection hole (7), a spring (11) is sleeved at one side part of the outer surface of the T-shaped sliding rod (9), a movable block (12) is arranged in the sliding pair mould (5) in a sliding way, a plurality of thimble main bodies (13) are welded inside the ejection hole (7) at one side of the movable block (12), a placing groove (14) is arranged on one side edge part of the outer surface of the sliding pair die (5), a movable sleeve (10) is arranged in the placing groove (14), one side of the inner wall of the movable sleeve (10) is fixedly connected with a plurality of T-shaped sliding rods (9), the middle part of one side of the fixing frame (2) is positioned in the through hole (6) and is welded with a fixing rod (19).

2. The injection mold thimble structure of claim 1, wherein: fixed slot (15) have been seted up to standing groove (14) inner wall one side, the welding has connecting rod (16) between fixed slot (15) inner wall both sides, connecting block (17) have all been welded at the upper and lower both ends of mantle (10) surface one side limit portion and front and back both ends, connecting block (17) one side middle part has been link up and has been seted up the circular port, the groove of moulding plastics has been seted up at fixed main mould (1) one side middle part, mantle (10) are located inside fixed main mould (1), it has moulded plastics (18) to mould plastics between fixed main mould (1) and mantle (10).

3. The ejector pin structure of the injection mold according to claim 1, wherein: perforating hole (6) inner wall one side is located vice mould (5) of slip inside and has been seted up and place the chamber, and both ends limit portion all is provided with sliding guide around placing the chamber, the sliding tray has all been seted up on both ends limit portion around movable block (12), movable block (12) are along sliding guide horizontal slip, simultaneously one side opening part of ejecting hole (7) is in placing the chamber and is linked together.

4. The injection mold thimble structure of claim 1, wherein: the diameter of one side edge of the T-shaped sliding rod (9) is smaller than the inner diameter of the fixed inner cavity (8), the diameter of one side edge of the T-shaped sliding rod (9) is smaller than the inner diameter of the ejection hole (7), and the T-shaped sliding rod (9) is clamped with the ejection hole (7) mutually.