CN212266522U

CN212266522U - Novel gas-assisted die with high yield

Info

Publication number: CN212266522U
Application number: CN202020565633.8U
Authority: CN
Inventors: 胡海清; 张湖
Original assignee: Ningbo Jianlin Mould Co ltd
Current assignee: Ningbo Jianlin Mould Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-01-01
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a novel gas-assisted die with high yield, wherein the middle part of the top end of a lower die holder is provided with a mounting groove, the inside of the mounting groove is embedded with a lower die, the top part of the lower die is positioned at the two sides of a die cavity and is symmetrically provided with a chute, the bottom end of the chute is provided with a rectangular groove, the inside of the chute is embedded with a slide bar, the bottom end of the slide bar is fixedly connected with an extrusion plate, the two ends of the bottom part of the rectangular groove are symmetrically provided with extrusion springs, the middle part of the bottom end of the die cavity is provided with a through hole, and the inside of the through hole is embedded with an ejector block, the structure of the utility model is scientific and reasonable, the use is safe and convenient, the ejector block is pushed upwards out of the through hole through the matching use of the extrusion springs and the extrusion plate, the operators can conveniently take, the normal injection molding process is prevented from being influenced by the ejector block.

Description

Novel gas-assisted die with high yield

Technical Field

The utility model relates to a mould technical field is assisted to gas, specifically is a mould is assisted to novel gas that yields is high.

Background

The gas-assisted molding is an injection molding technology which is characterized in that inert high-pressure nitrogen is injected when plastic is properly filled into a cavity, gas pushes molten plastic to continuously fill the cavity, and the gas pressure maintaining is used for replacing the plastic pressure maintaining process;

inside the part embedding die cavity after the shaping in the mould is assisted to present gas, operating personnel is difficult for taking, has reduced work efficiency, so the utility model provides a high novel mould is assisted to gas of yields satisfies people's demand.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high novel gas of yields assists mould can effectively solve inside the part embedding die cavity after the shaping that provides among the above-mentioned background art, and operating personnel is difficult for taking, has reduced work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a novel gas-assisted die with high yield comprises a base, wherein a lower die holder is fixedly arranged in the middle of the top end of the base, hydraulic cylinders are symmetrically arranged at positions, located on two sides of the lower die holder, of the top of the base, telescopic rods are fixedly connected to the tops of the hydraulic cylinders, an upper die holder is fixedly connected to the tops of the telescopic rods, movable grooves are formed in four corner positions of the top of the lower die holder, positioning rods are fixedly mounted at positions, corresponding to the movable grooves, of the bottom of the upper die holder, a mounting groove is formed in the middle of the top end of the lower die holder, a lower die is embedded and mounted in the mounting groove, mounting bolts are fixedly mounted at the four corner positions of the top end of the lower die holder, placing grooves are symmetrically formed in positions, located on two sides of the mounting groove, of the top end of the lower die, the middle part of the top end of the lower die is provided with a die cavity;

the bottom die is characterized in that the top of the lower die is symmetrically arranged at two sides of the die cavity, a sliding groove is formed in the bottom of the sliding groove, a sliding rod is installed in the sliding groove in an embedded mode, an extrusion plate is fixedly connected to the bottom end of the sliding rod, extrusion springs are symmetrically installed at two ends of the bottom of the rectangular groove, a through hole is formed in the middle of the bottom end of the die cavity, and a jacking block is installed in the through hole in an embedded mode.

Preferably, the two ends of the bottom of the mounting groove are symmetrically provided with positioning holes, the bottom of the lower die is symmetrically and fixedly provided with positioning columns at positions corresponding to the positioning holes, and the positioning columns are embedded in the positioning holes.

Preferably, the locating lever embedding is installed in the inside of activity groove, swing joint between locating lever and the activity groove, the lug is located the inside of standing groove, the input of pneumatic cylinder and telescopic link all with external power source's output electric connection.

Preferably, the bottom of slide bar extends to the inside in rectangular groove, the top of extrusion spring and the bottom fixed connection of stripper plate, the bottom of kicking block is connected with the stripper plate, the top of kicking block bonds and has the sealing silica gel pad.

Preferably, four corner position department fixedly connected with fixed blocks of base bottom, the inside fixed mounting of fixed block has buffer spring, buffer spring's bottom fixedly connected with buffer block, fixed sleeve has been cup jointed on the surface of buffer block.

Preferably, a gap is reserved between the fixed block and the buffer block, the fixed sleeve is sleeved on the surfaces of the fixed block and the buffer block, and the fixed sleeve is connected with the fixed block and the buffer block through threads.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with the spout, rectangular groove, the slide bar, the stripper plate, the extrusion spring, through-hole and kicking block, use through the cooperation of extrusion spring and stripper plate, upwards release the through-hole with the kicking block, pop out fashioned injection part, the operating personnel of being convenient for takes the injection part, work efficiency has been improved, use through the cooperation of spout and slide bar simultaneously, drive stripper plate and kicking block and march downwards for inside the kicking block embedding through-hole, avoid the kicking block to influence normal injection moulding process.

2. Be provided with mounting groove, construction bolt, standing groove, lug, locating hole and reference column, use through mounting groove and construction bolt's cooperation, be convenient for change and installation bed die, use through the cooperation of standing groove and lug, be convenient for take off the mould, for changing and the maintenance bed die provides very big facility, use through the cooperation of locating hole and reference column simultaneously, avoid the bed die to take place the normal injection moulding of skew influence in the installation.

3. Be provided with fixed block, buffer spring, buffer block and fixed sleeve, use through the cooperation of buffer spring and buffer block, the vibrations that can the absorbing device production make the device remain stable, reduce the failure rate of moulding plastics, improved the yields of product, through fixed sleeve's use, improved the structural strength between fixed block and the buffer block simultaneously.

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.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation structure of the lower mold of the present invention;

fig. 3 is a schematic view of the installation structure of the positioning column of the present invention;

FIG. 4 is a schematic structural diagram of the area A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the mounting structure of the fixing sleeve of the present invention.

Reference numbers in the figures: 1. a base; 2. a lower die holder; 3. a hydraulic cylinder; 4. a telescopic rod; 5. an upper die holder; 6. a movable groove; 7. positioning a rod; 8. mounting grooves; 9. a lower die; 10. installing a bolt; 11. a placement groove; 12. a bump; 13. a mold cavity; 14. positioning holes; 15. a positioning column; 16. a chute; 17. a rectangular groove; 18. a slide bar; 19. a pressing plate; 20. a compression spring; 21. a through hole; 22. a top block; 23. a fixed block; 24. a buffer spring; 25. a buffer block; 26. and fixing the sleeve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-5, the utility model provides a technical scheme, a novel gas-assisted die with high yield, which comprises a base 1, a lower die holder 2 is fixedly arranged at the middle part of the top end of the base 1, hydraulic cylinders 3 are symmetrically arranged at the positions of the top part of the base 1, which are positioned at the two sides of the lower die holder 2, a telescopic rod 4 is fixedly connected with the top part of the hydraulic cylinder 3, an upper die holder 5 is fixedly connected with the top part of the telescopic rod 4, movable grooves 6 are respectively arranged at the four corner positions of the top part of the lower die holder 2, positioning rods 7 are respectively arranged and fixedly arranged at the positions of the bottom part of the upper die holder 5 corresponding to the movable grooves 6, the positioning rods 7 are embedded and arranged inside the movable grooves 6, the positioning rods 7 are movably connected with the movable grooves 6, so as to ensure that the relative position between the upper die holder 5 and the, the middle part of the top end of the lower die holder 2 is provided with a mounting groove 8, the interior of the mounting groove 8 is embedded with a lower die 9, four corner positions at the top end of the lower die 9 are all fixedly provided with mounting bolts 10, the top part of the lower die holder 2 is symmetrically provided with placing grooves 11 at two sides of the mounting groove 8, the top end of the lower die 9 is symmetrically and fixedly provided with a convex block 12 at the position corresponding to the placing grooves 11, the convex block 12 is positioned inside the placing grooves 11, the lower die 9 is convenient to carry, the middle part of the top end of the lower die 9 is provided with a die cavity 13, two ends of the bottom of the mounting groove 8 are symmetrically provided with positioning holes 14, the bottom end of the lower die 9 is symmetrically and fixedly provided with positioning columns 15 at the position corresponding to the, the lower die 9 is limited, so that the lower die 9 is prevented from being shifted in position in the installation process to influence normal injection molding;

the top of the lower die 9 is symmetrically provided with sliding grooves 16 at positions at two sides of a die cavity 13, the bottom end of each sliding groove 16 is provided with a rectangular groove 17, a sliding rod 18 is embedded in the sliding groove 16, an extrusion plate 19 is fixedly connected to the bottom end of each sliding rod 18, extrusion springs 20 are symmetrically arranged at two ends of the bottom of each rectangular groove 17, a through hole 21 is formed in the middle of the bottom end of the die cavity 13, a top block 22 is embedded in the through hole 21, the top block 22 can be pushed upwards by the aid of the extrusion springs 20 and the extrusion plate 19, the molded part is pushed out of the die cavity 13, an operator can take the processed part conveniently, the working efficiency is improved, the bottom end of each sliding rod 18 extends into the rectangular groove 17, the top end of each extrusion spring 20 is fixedly connected with the bottom end of the extrusion plate 19, the bottom end of each top block 22 is connected with the extrusion plate 19, and the sliding rods 18 downwards extrude the, the top block 22 is embedded into the through hole 21, so that the normal injection molding process is prevented from being influenced, a sealing silica gel pad is bonded at the top end of the top block 22, and the thermoplastic gel is prevented from leaking downwards from the through hole 21 in the injection molding process;

four corner position department fixedly connected with fixed blocks 23 of base 1 bottom, the inside fixed mounting of fixed block 23 has buffer spring 24, buffer spring 24's bottom fixedly connected with buffer block 25, buffer spring 24 and buffer block 25 have played the shock attenuation cushioning effect to the device, make the device remain stable in the course of working, fixed sleeve 26 has been cup jointed on the surface of buffer block 25, leave the clearance between fixed block 23 and the buffer block 25, fixed sleeve 26 cup joints in the surface of fixed block 23 and buffer block 25, all through threaded connection between fixed sleeve 26 and fixed block 23 and the buffer block 25, fixed sleeve 26 can improve the steadiness between fixed block 23 and the buffer block 25, utilize fixed sleeve 26 to adjust the distance between fixed block 23 and the buffer block 25 simultaneously, and then make the holding of device balanced.

The utility model discloses a theory of operation and use flow: in the process of using a novel gas-assisted die with high yield, firstly, the hydraulic cylinder 3 is started, the telescopic rod 4 is shortened, the telescopic rod 4 drives the upper die holder 5 to move downwards, the positioning rod 7 slides in the movable groove 6, the relative position between the lower die holder 2 and the upper die holder 5 is ensured not to change, the bottom end of the upper die holder 5 is contacted with the top end of the slide rod 18 and continues to extrude the slide rod 18 downwards, the bottom end of the slide rod 18 extrudes the extrusion plate 19 downwards, the extrusion spring 20 is compressed, meanwhile, the top block 22 slides downwards in the through hole 21 until the top end of the top block 22 is flush with the bottom end of the die cavity 13, the hot-melted plastic enters the die cavity 13 and is formed in the die cavity 13;

after the parts are molded, the hydraulic cylinder 3 is started, the telescopic rod 4 extends to push the upper die base 5 upwards, the upper die base 5 does not extrude the slide rod 18 any more when rising, the extruding spring 20 extends to push the extruding plate 19 and the slide rod 18 upwards, so that the ejector block 22 moves upwards from the inside of the through hole 21 and pushes the molded parts in the die cavity 13, an operator takes the molded parts down, and the buffer spring 24 and the buffer block 25 play a good role in damping and buffering for the device in the machining process;

when the lower mold 9 needs to be replaced, the mounting bolt 10 is first screwed, the lower mold 9 is released from the mounting groove 8 by the projection 12, the lower mold 9 is then removed from the mounting groove 8, a new lower mold 9 is then fitted into the mounting groove 8, the positioning post 15 is fitted into the positioning hole 14, the projection 12 is positioned in the mounting groove 11, and the mounting bolt 10 is screwed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mould is assisted to novel gas that yields is high, includes base (1), its characterized in that: the middle part of the top end of the base (1) is fixedly provided with a lower die holder (2), the top part of the base (1) is positioned at two sides of the lower die holder (2) and symmetrically provided with hydraulic cylinders (3), the top part of the hydraulic cylinders (3) is fixedly connected with a telescopic rod (4), the top part of the telescopic rod (4) is fixedly connected with an upper die holder (5), four corner positions at the top part of the lower die holder (2) are respectively provided with a movable groove (6), the bottom part of the upper die holder (5) corresponding to the movable grooves (6) is respectively and fixedly provided with a positioning rod (7), the middle part of the top end of the lower die holder (2) is provided with a mounting groove (8), a lower die (9) is embedded in the mounting groove (8), the four corner positions at the top end of the lower die (9) are respectively and fixedly provided with mounting bolts (10), the top part of the lower die holder (2), bumps (12) are symmetrically and fixedly arranged at positions, corresponding to the placing grooves (11), of the top end of the lower die (9), and a die cavity (13) is formed in the middle of the top end of the lower die (9);

lower mould (9) top is located die cavity (13) both sides position department symmetry and has seted up spout (16), rectangular groove (17) have been seted up to the bottom of spout (16), slide bar (18) are installed in the inside embedding of spout (16), the bottom fixedly connected with stripper plate (19) of slide bar (18), extrusion spring (20) are installed to the both ends symmetry of rectangular groove (17) bottom, through-hole (21) have been seted up at the middle part of die cavity (13) bottom, kicking block (22) are installed in the inside embedding of through-hole (21).

2. The novel gas-assisted die with high yield according to claim 1, characterized in that: positioning holes (14) are symmetrically formed in two ends of the bottom of the mounting groove (8), positioning columns (15) are symmetrically and fixedly mounted at positions, corresponding to the positioning holes (14), of the bottom end of the lower die (9), and the positioning columns (15) are embedded into the positioning holes (14).

3. The novel gas-assisted die with high yield according to claim 1, characterized in that: locating lever (7) embedding is installed in the inside of activity groove (6), swing joint between locating lever (7) and activity groove (6), lug (12) are located the inside of standing groove (11), the input of pneumatic cylinder (3) and telescopic link (4) all with external power source's output electric connection.

4. The novel gas-assisted die with high yield according to claim 1, characterized in that: the bottom of slide bar (18) extends to the inside of rectangular groove (17), the top of extrusion spring (20) and the bottom fixed connection of stripper plate (19), the bottom of kicking block (22) is connected with stripper plate (19), the top of kicking block (22) bonds and has the sealing silica gel pad.

5. The novel gas-assisted die with high yield according to claim 1, characterized in that: four corner position department fixedly connected with fixed blocks (23) of base (1) bottom, the inside fixed mounting of fixed block (23) has buffer spring (24), the bottom fixedly connected with buffer block (25) of buffer spring (24), fixed sleeve (26) have been cup jointed on the surface of buffer block (25).

6. The novel gas-assisted die with high yield as claimed in claim 5, wherein: a gap is reserved between the fixed block (23) and the buffer block (25), the fixed sleeve (26) is sleeved on the surfaces of the fixed block (23) and the buffer block (25), and the fixed sleeve (26) is connected with the fixed block (23) and the buffer block (25) through threads.