CN219789047U

CN219789047U - Injection molding device for tail lamp housing

Info

Publication number: CN219789047U
Application number: CN202320197784.6U
Authority: CN
Inventors: 王焱; 曲庆; 李小朋; 李鹤前吉
Original assignee: Jiaxing Shengya Industrial Co ltd
Current assignee: Jiaxing Shengya Industrial Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-10-03
Anticipated expiration: 2033-02-13

Abstract

The utility model belongs to the technical field of injection molding devices, and particularly relates to an injection molding device for a lamp shell of a back taillight. According to the utility model, the spring groove, the sliding groove, the through hole, the reset spring and the L-shaped hook are arranged, when the movable die body and the fixed die body are close, the hook part of the L-shaped hook is extruded by the movable die body to push the L-shaped hook to pull the reset spring to extend, when the L-shaped hook passes through the through hole, the reset spring contracts to enable the hook part of the L-shaped hook to be abutted against the lower surface of the movable die body, the L-shaped hook cannot block the contact between the movable die body and the fixed die body, so that the movable die body and the fixed die body are fixed, the problem that the movable die and the fixed die are separated when the movable die and the fixed die are subjected to injection molding due to insufficient pressure caused by failure after the hydraulic cylinder is used for a long time is avoided, and meanwhile, the L-shaped hook is conveniently loosened by the arrangement of the first electric push rod and the resisting plate, and manual operation is not needed when the movable die body and the fixed die body are separated.

Description

Injection molding device for tail lamp housing

Technical Field

The utility model relates to the technical field of injection molding devices, in particular to an injection molding device for a tail lamp shell.

Background

Injection molding is a method for producing and shaping industrial products, the products are usually rubber injection molding and plastic injection molding, the injection molding can be divided into injection molding compression molding and die casting, an injection molding machine (called an injection machine or an injection molding machine for short) is a main molding device for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, the injection molding is realized by the injection molding machine and the die, the automobile tail lamp shell is usually a semitransparent or transparent plastic product, and an injection molding device is usually needed for injection molding in the production and processing process.

The utility model discloses an embedded injection molding device for a lamp shade of an automobile tail lamp, which comprises a movable die base plate and a fixed die base plate, wherein cushion blocks are fixedly arranged at the top and the bottom of the right side surface of the movable die base plate, the number of the cushion blocks is two, movable dies are fixedly arranged at the right ends of the two cushion blocks, and male dies are fixedly arranged at the middle part of the right side surface of the movable die. This device of moulding plastics is inlayed to automobile tail lamp cover, through compression spring's elasticity effect, can make dead lever and fixed slot activity cup joint and reach fixed effect, the effectual compactness that has improved movable mould and cover half laminating of moulding plastics in-process makes the process of moulding plastics more stable, has avoided the hydraulic press can produce the trouble and cause the pressure not enough after long-time use, appears the phenomenon that movable mould and cover half separate easily to the problem that movable mould and cover half break away from when leading to moulding plastics has improved the practicality of this device of moulding plastics greatly.

The fixing rod is movably sleeved with the fixing groove to achieve the fixing effect under the action of the elastic force of the compression spring, the compactness of the fitting of the movable die and the fixed die in the injection molding process is effectively improved, however, as the fixing rod is inserted into the fixing grooves on the upper side and the lower side of the movable die and is limited by the compression spring, the fixing rod is contacted with the side face of the movable die before the movable die is contacted with the fixed die, the movable die is blocked from being fitted with the fixed die, the fixing rod is required to be pulled away manually before the movable die is fitted with the fixed die, and inconvenience is caused to the use of the device, so that a rear taillight lamp housing injection molding device is provided to solve the problem.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an injection molding device for a tail lamp shell, which solves the problem that the fixed rod provided in the background art blocks the fitting of a movable die and a fixed die.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a back tail lamp body injection molding device, includes the base, the upper surface of base passes through montant fixedly connected with roof, the upper surface of base passes through pneumatic cylinder fixedly connected with movable mould mount pad, the lower surface of roof passes through straight-bar fixed mounting and has the cover half mount pad, the top of movable mould mount pad passes through the bolt fastening and has the movable mould body, the bottom of cover half mount pad passes through the bolt fastening and has the cover half body, the top of movable mould body is provided with the terrace die, the cooperation constitutes the die cavity between the bottom of cover half body and the terrace die, the spring groove has all been seted up to the both sides of cover half body, the spring groove has all been seted up towards the inboard one end of cover half body and has been run through to cover half body bottom, the through-hole with spout adaptation has been seted up to the both sides of movable mould body, the one end fixed mounting of spring groove towards the cover half body outside has reset spring, reset spring's other end fixed mounting has L type hook, L type hook includes integrated into one piece's pole portion and hook portion, the pole portion of L type hook extends to the lower part of movable mould body through-shaped terrace die, cooperation between the bottom and the terrace die body and the terrace die, two ejector plate and the fixed mounting plate, two ejector plate and two ejector plate fixed mounting have the fixed die push rod, two ejector plate and two ejector plate fixed mounting have the ejector pin, the fixed plate.

Further, the four corners of movable mould body upper surface are all fixed mounting has the locating cone, the frustum shape locating hole of pegging graft with the locating cone cooperation is all seted up in the four corners of cover half body, the upper end of locating cone runs through frustum shape locating hole and extends to the top of cover half body.

Further, a guide rod is fixedly arranged between two side walls of the spring groove, the reset spring is sleeved on the outer side of the guide rod, and the rod part of the L-shaped hook is in sliding connection with the guide rod.

Further, the locating plates are arranged on two sides of the retaining plate, the locating plates are fixed on the lower surface of the movable die body, sliding rods penetrate through the locating plates in a sliding mode, and one ends of the sliding rods are fixedly connected with the retaining plate.

Further, guide plates are fixedly mounted on the inner walls of the two sides of the movable die mounting seat, and the two sides of the push plate are in sliding connection with the guide plates.

Further, an injection molding hole penetrating into the cavity is formed in the top of the fixed die body, and an injection molding pipe mounting hole opposite to the injection molding hole is formed in the fixed die mounting seat.

(III) beneficial effects

Compared with the prior art, the utility model provides a back taillight lamp housing injection molding device, which comprises the following components

The beneficial effects are that:

according to the utility model, the spring groove, the sliding groove, the through hole, the reset spring and the L-shaped hook are arranged, when the movable die body and the fixed die body are close, the hook part of the L-shaped hook is extruded by the movable die body to push the L-shaped hook to pull the reset spring to extend, when the L-shaped hook passes through the through hole, the reset spring contracts to enable the hook part of the L-shaped hook to be abutted against the lower surface of the movable die body, the L-shaped hook cannot block the contact between the movable die body and the fixed die body, so that the movable die body and the fixed die body are fixed, the problem that the movable die and the fixed die are separated when the movable die and the fixed die are subjected to injection molding due to insufficient pressure caused by failure after the hydraulic cylinder is used for a long time is avoided, and meanwhile, the L-shaped hook is conveniently loosened through the arrangement of the first electric push rod and the resisting plate, and manual operation is not needed when the movable die body and the fixed die body are separated.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a cross-sectional elevation view of the structure of the present utility model;

FIG. 3 is a perspective view of the present utility model;

fig. 4 is a cross-sectional view showing still another perspective structure of the present utility model.

In the figure: 1. a base; 2. a vertical rod; 3. a top plate; 4. a hydraulic cylinder; 5. a movable die mounting seat; 6. a straight rod; 7. a fixed die mounting seat; 8. a movable die body; 9. a fixed mold body; 10. positioning cone; 11. a frustum-shaped positioning hole; 12. a spring groove; 13. a chute; 14. a through hole; 15. a return spring; 16. an L-shaped hook; 17. a guide rod; 18. an electric push rod I; 19. a retaining plate; 20. a positioning plate; 21. a slide bar; 22. an electric push rod II; 23. a push plate; 24. an ejector rod; 25. a guide plate; 26. injection molding holes; 27. and (5) mounting holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, an injection molding device for a tail lamp housing according to an embodiment of the present utility model includes a base 1, an upper surface of the base 1 is fixedly connected with a top plate 3 through a vertical rod 2, an upper surface of the base 1 is fixedly connected with a movable mold mounting seat 5 through a hydraulic cylinder 4, a lower surface of the top plate 3 is fixedly provided with a fixed mold mounting seat 7 through a straight rod 6, a top of the movable mold mounting seat 5 is fixedly provided with a movable mold body 8 through bolts, a bottom of the fixed mold mounting seat 7 is fixedly provided with a fixed mold body 9 through bolts, a male mold is arranged at the top of the movable mold body 8, a cavity is formed by matching the bottom of the fixed mold body 9 with the male mold, spring grooves 12 are formed at both sides of the fixed mold body 9, a chute 13 penetrating to the bottom of the fixed mold body 9 is formed at one end of the spring groove 12 facing the inner side of the fixed mold body 9, through holes 14 adapted to the chute 13 are formed at both sides of the movable mold body 8, the spring groove 12 is fixedly provided with a return spring 15 towards one end of the outer side of the fixed die body 9, the other end of the return spring 15 is fixedly provided with an L-shaped hook 16, the L-shaped hook 16 comprises a rod part and a hook part which are integrally formed, the rod part of the L-shaped hook 16 penetrates through the sliding groove 13 and the through hole 14 and extends to the lower side of the movable die body 8, the hook part of the L-shaped hook 16 is abutted to the lower surface of the movable die body 8, both sides of the bottom of the movable die body 8 are fixedly provided with an electric push rod I18, the driving end of the electric push rod I18 is fixedly provided with a retaining plate 19, the retaining plate 19 is abutted to the hook part of the L-shaped hook 16, the movable die mounting seat 5 is of a U-shaped structure, the inner bottom of the movable die mounting seat is fixedly provided with an electric push rod II 22, the driving end of the electric push rod II 22 is fixedly provided with a push plate 23, the upper surface of the push plate 23 is fixedly provided with an ejection rod 24, and ejection holes matched with the ejection rod 24 are formed on the movable die body 8 and a male die; in a summary of the present utility model it is known that, because the movable die body 8 and the movable die mounting seat 5 are fixed through bolts, the fixed die body 9 and the fixed die mounting seat 7 are fixed through bolts, the movable die body 8 and the fixed die body 9 can be conveniently replaced according to the requirement, and because one end of the L-shaped hook 16 is fixedly connected with the return spring 15, when the movable die body 8 is close to the fixed die body 9, the hook part of the L-shaped hook 16 is extruded by the movable die body 8 to push the L-shaped hook 16 to pull the return spring 15 to stretch, when the L-shaped hook 16 passes through the through hole 14, the return spring 15 contracts to enable the hook part of the L-shaped hook 16 to be abutted against the lower surface of the movable die body 8, the L-shaped hook 16 can not block the contact between the movable die body 8 and the fixed die body 9, so that the movable die body 8 and the fixed die body 9 are fixed, the problem that the movable mould and the fixed mould are separated when the movable mould body 8 and the fixed mould body 9 are separated due to insufficient pressure caused by faults after the hydraulic cylinder 4 is used for a long time is avoided, the first electric push rod 18 arranged on the lower surface of the movable mould body 8 can drive the retaining plate 19 to push the hook part of the L-shaped hook 16 into the through hole 14, so that the L-shaped hook 16 cannot be blocked when the movable mould body 8 and the fixed mould body 9 need to be separated, the L-shaped hook 16 can be prevented from being manually pushed to move and loosen, the operation is more convenient, meanwhile, the first electric push rod 18 does not influence the manual mode to loosen the movable mould body 8 and the fixed mould body 9 when damaged or fails, and the second electric push rod 22 drives the push plate 23 and the ejection rod 24 to jack up the formed automobile rear tail lamp clamped outside the male mould after the movable mould body 8 and the fixed mould body 9 are separated, so that demoulding is convenient to carry out.

As shown in fig. 4, in some embodiments, positioning cones 10 are fixedly installed at four corners of the upper surface of the movable mold body 8, frustum-shaped positioning holes 11 which are matched and spliced with the positioning cones 10 are formed at four corners of the fixed mold body 9, and the upper ends of the positioning cones 10 extend to above the fixed mold body 9 through the frustum-shaped positioning holes 11; the setting of locating cone 10 and frustum shape locating hole 11 for can aim at the position of movable mould body 8 and cover half body 9 when pneumatic cylinder 4 drives movable mould body 8 upward movement, avoid the uneven thickness of die cavity, because locating cone 10's upper end runs through frustum shape locating hole 11 and extends to the top of cover half body 9, when pneumatic cylinder 4 damages, can make movable mould body 8 and cover half body 9 separately through the mode of knocking locating cone 10 after dismantling pneumatic cylinder 4.

As shown in fig. 2 and 3, in some embodiments, a guide rod 17 is fixedly installed between two side walls of the spring groove 12, the return spring 15 is sleeved outside the guide rod 17, and the rod part of the L-shaped hook 16 is slidably connected with the guide rod 17; the guide rod 17 has the function of guiding, avoiding the bending of the return spring 15 and the tilting of the L-shaped hook 16.

As shown in fig. 4, in some embodiments, positioning plates 20 are disposed on both sides of the retaining plate 19, the positioning plates 20 are fixed on the lower surface of the movable mold body 8, and slide rods 21 are slidably inserted through the positioning plates 20, and one ends of the slide rods 21 are fixedly connected with the retaining plate 19; the positioning plate 20 and the sliding rod 21 are used for guiding the retaining plate 19, so that the retaining plate 19 is more stable when the first electric push rod 18 pushes the retaining plate 19 to move.

As shown in fig. 2 and 3, in some embodiments, guide plates 25 are fixedly installed on inner walls of two sides of the movable mold mounting seat 5, and two sides of the push plate 23 are slidably connected with the guide plates 25; the guide plate 25 is provided to guide the push plate 23 so that the ejector rod 24 can move only vertically.

As shown in fig. 2, in some embodiments, an injection hole 26 penetrating into the cavity is formed at the top of the fixed mold body 9, and an injection pipe mounting hole 27 opposite to the injection hole 26 is formed on the fixed mold mounting seat 7; the injection tube mounting holes 27 are used for mounting with injection tubes of an injection molding device, and the injection holes 26 are arranged so that plastic solution can be injected into the cavity.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model _。

Claims

1. The utility model provides a back tail lamp body device of moulding plastics, includes base (1), its characterized in that: the upper surface of base (1) is fixedly connected with roof (3) through montant (2), the upper surface of base (1) is fixedly connected with movable mould mount pad (5) through pneumatic cylinder (4), fixed mounting has cover half mount pad (7) through straight-bar (6) on the lower surface of roof (3), movable mould body (8) are passed through to the top of movable mould mount pad (5) through bolt fastening, fixed mounting has cover half body (9) through bolt fastening in the bottom of cover half mount pad (7), the top of movable mould body (8) is provided with the terrace die, cooperation constitutes the die cavity between the bottom of cover half body (9) and the terrace die, spring groove (12) have all been seted up to the both sides of cover half body (9), spring groove (12) are towards one end of cover half body (9) inboard spout (13) through to cover half body (9), through-hole (14) with spout (13) adaptation are all seted up on the both sides of movable mould body (8), spring groove (12) are towards cover half body (9) fixed mounting has reset hook (16) one end of fixed mounting spring hook (15), hook (16) one end of cover half body (16) is fixed mounting, hook (16) is fixed hook (L one end includes one side, the utility model discloses a movable mould for the plastic injection mould, including movable mould body (8), push rod (24) are fixed mounting in the lower surface butt of movable mould body (8), the drive end fixed mounting of movable mould body (8) has a butt board (19), butt board (19) offset with the hook portion of L type hook (16), movable mould mount pad (5) are U type structure, and its interior bottom fixed mounting has electric putter two (22), the drive end fixed mounting of electric putter two (22) has push pedal (23), the upper surface fixed mounting of push pedal (23) has ejection rod (24), the last ejection hole with ejection rod (24) looks adaptation of having seted up of movable mould body (8) and terrace die.

2. The injection molding apparatus for a rear lamp housing as set forth in claim 1, wherein: the four corners of movable mould body (8) upper surface are all fixed mounting has locating cone (10), frustum shape locating hole (11) with locating cone (10) cooperation grafting have all been seted up in the four corners of cover half body (9), the upper end of locating cone (10) runs through frustum shape locating hole (11) and extends to the top of cover half body (9).

3. The injection molding apparatus for a rear lamp housing as set forth in claim 1, wherein: guide rods (17) are fixedly arranged between two side walls of the spring groove (12), the reset spring (15) is sleeved on the outer side of the guide rods (17), and the rod parts of the L-shaped hooks (16) are in sliding connection with the guide rods (17).

4. The injection molding apparatus for a rear lamp housing as set forth in claim 1, wherein: the two sides of the retaining plate (19) are respectively provided with a positioning plate (20), the positioning plates (20) are fixed on the lower surface of the movable die body (8), sliding rods (21) are respectively and slidably penetrated on the positioning plates, and one ends of the sliding rods (21) are fixedly connected with the retaining plate (19).

5. The injection molding apparatus for a rear lamp housing as set forth in claim 1, wherein: guide plates (25) are fixedly mounted on the inner walls of the two sides of the movable die mounting seat (5), and the two sides of the push plate (23) are in sliding connection with the guide plates (25).

6. The injection molding apparatus for a rear lamp housing as set forth in claim 1, wherein: injection molding holes (26) penetrating into the cavity are formed in the top of the fixed die body (9), and injection molding pipe mounting holes (27) opposite to the injection molding holes (26) are formed in the fixed die mounting seat (7).