CN218477053U

CN218477053U - Injection mold for gear cover plate

Info

Publication number: CN218477053U
Application number: CN202222767525.0U
Authority: CN
Inventors: 朱鸿明
Original assignee: Ningbo Zhongtuo Mould Technology Co ltd
Current assignee: Ningbo Zhongtuo Mould Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-02-14
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a gear apron injection mold, set up the pipeline of moulding plastics on the bed die lateral wall including bed die and intercommunication, be provided with the check valve on the pipeline of moulding plastics, be provided with the mould directly over the bed die, when needing to carry out injection moulding to the gear apron, the balancing weight of placing on the restriction panel is adjusted according to the density demand that the row of making kept off the lid to leading to, when the balancing weight was placed, at last mould, piston, spliced pole, first slope piece, second slope piece, locating lever, support panel and second spring's cooperation down, the raw materials of pouring into pushes up corresponding pressure and makes the piston upward movement, can carry on spacingly to first slope piece, carry on spacingly to spliced pole and piston simultaneously. The utility model relates to a technical field that gear apron was moulded plastics. The utility model discloses have and increased injection material density, guarantee promptly that shaping gear apron density is even, improved the effect of its quality.

Description

Injection mold for gear cover plate

Technical Field

The utility model belongs to the technical field of the technique of gear cover board is moulded plastics and specifically relates to a gear cover board injection mold is related to.

Background

Automobile cover plate, as the name implies just refer to the general name of a series of apron that use on the car, automobile cover plate generally processes through injection mold in process of production for automobile cover plate can be fine produces. Automobile cover plate injection molds in the current market are various in types.

The automobile cover plate injection mold comprises an upper base and a lower base which are correspondingly arranged, wherein the Chinese patent publication number is CN 205905317U; the lower end surface of the upper base is vertically and downwards provided with a connecting rod; the lower end part of the connecting rod is provided with a mold body, the middle part of the mold body is provided with a raised mold cavity, the opening direction of the mold cavity is downward, two side edges of the bottom of the mold cavity are provided with injection molding openings, and the middle of the bottom of the mold cavity is provided with an exhaust opening; the die is characterized in that hydraulic cylinders are installed on two sides of the lower base, die cover plates are installed at the end parts of hydraulic rods of the two hydraulic cylinders, and the die cover plates correspond to the die bodies in position and can integrally cover the die cavities. The utility model discloses in still set up seal groove and sealing ring on die cavity open end and die cover board respectively, increased sealed effect like this, prevented effectively that the material of moulding plastics can be from the problem that the gap department of the mould body and die cover board exposes, increase sealed effect.

Although the above patent increases the sealing effect of the whole mold by the sealing groove and the sealing ring, when injecting the injection molding material, the injection molding material is simply injected into the mold, and the density of the finished product is determined by the density of the injection molding material, which easily causes the phenomenon of uneven density after molding.

SUMMERY OF THE UTILITY MODEL

According to the prior art not enough that exists, the utility model aims at providing a gear cover plate injection mold has increased injection material density, guarantees promptly that shaping gear cover plate density is even, has improved the effect of its quality.

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

an injection mold for a gear cover plate comprises a lower mold and an injection pipeline communicated with and arranged on the side wall of the lower mold, wherein a one-way valve is arranged on the injection pipeline, an upper mold is arranged right above the lower mold, the lower end of the lower mold is fixedly provided with a base, the upper end of the base is fixedly provided with a U-shaped panel, the lower end of the transverse wall of the U-shaped panel is fixedly provided with two cylinders, the lower ends of the two cylinders are fixedly arranged with the upper mold together, and the upper mold is provided with a jacking assembly for increasing the mold density of the gear cover plate;

the jacking assembly comprises a piston arranged on the side wall of the inner cavity of the upper die in a sliding mode, a connecting column is fixedly arranged at the upper end of the piston, a limiting panel with a groove in the middle is fixedly arranged at the upper end of the connecting column, a balancing weight is arranged at the upper end of the limiting panel in a contact mode, and a limiting unit used for limiting the connecting column is arranged at the upper end of the upper die.

Through adopting above-mentioned technical scheme, under the cooperation of spliced pole, piston, restriction panel, balancing weight and spacing unit, accessible balancing weight ground is changed, increases the gravity that the piston pushed down, can increase the density of pouring into the raw materials simultaneously.

The present invention may be further configured in a preferred embodiment as: and sealing gaskets are arranged at the joints of the piston and the side wall of the inner cavity of the upper die.

Through adopting above-mentioned technical scheme, through the setting of sealed the pad, multiplicable piston and last mould between the sealing line.

The present invention in a preferred embodiment can be further configured to: the connecting column is sleeved with a first spring, and two ends of the first spring are fixedly connected with the upper end wall of the piston and the axial side of the connecting column respectively.

By adopting the technical scheme, the piston can be restored to the initial position after certain displacement occurs through the arrangement of the first spring.

The present invention may be further configured in a preferred embodiment as: spacing unit includes fixed mounting at the fixed mounting of last mould upper end and has supporting panel, the axial side fixed mounting of spliced pole has the first slope piece of a plurality of, it is provided with the locating lever to slide on the supporting panel, the one end fixed mounting of locating lever has the second slope piece, the inclined plane and one of them of second slope piece the inclined plane of first slope piece contacts, the second spring has been cup jointed on the locating lever, the both ends of second spring respectively with supporting panel's inner chamber lateral wall and the axial side fixed connection of locating lever.

Through adopting above-mentioned technical scheme, under the cooperation of first slope piece, supporting panel, locating lever, second slope piece and second spring, can carry out certain spacing to the spliced pole, prevent that the piston from moving suitable position, taking place the removal downwards.

The present invention in a preferred embodiment can be further configured to: the lower extreme fixed mounting of U-shaped panel has spacing frame, the spout has all been seted up on the both sides wall of spacing frame, the spliced pole slides and sets up on spacing frame, the both ends of restriction panel slide and set up in the spout that corresponds.

Through adopting above-mentioned technical scheme, under the cooperation of spacing frame and spout, can guarantee that spliced pole and restriction panel move steadily.

The present invention may be further configured in a preferred embodiment as: the supporting panel is arranged on the limiting frame in a penetrating mode.

By adopting the technical scheme, the longitudinal displacement of the supporting panel can be ensured.

To sum up, the utility model discloses a following at least one gear apron injection mold's useful technological effect:

1. need when carrying out injection moulding to gear apron, the balancing weight of placing on the restriction panel is adjusted to the density demand of keeping off the lid according to the row of making, when the balancing weight was placed, at last mould, a piston, the spliced pole, first slope piece, the second slope piece, the locating lever, under the cooperation of supporting panel and second spring, the raw materials of pouring into pushes up corresponding pressure and makes the piston upward movement, can carry on spacingly to first slope piece, carry on spacingly to spliced pole and piston simultaneously, the effect that has increased injection material density has been reached, guarantee promptly that shaping gear apron density is even, the quality thereof is improved.

2. During moulding plastics, one side that the lower mould was kept away from to the piston removes, after moulding plastics, in order to prevent to push away the piston liquid extrusion of moulding plastics and cause the influence, spliced pole and piston are fixed at first slope piece, second slope piece position, prevent that the piston extrusion liquid of moulding plastics under the elasticity of first spring guarantees the shaping quality of gear cover board.

Drawings

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

FIG. 2 is a partial structural view of the upper mold of the present embodiment;

fig. 3 is an enlarged view of fig. 1 a of the present embodiment.

In the figure, 1, a lower die; 2. an upper die; 3. injection molding a pipeline; 4. a one-way valve; 5. a U-shaped panel; 6. a cylinder; 7. a jacking component; 71. a piston; 72. connecting columns; 73. a restriction panel; 74. a balancing weight; 75. a first spring; 76. a limiting unit; 761. a first inclined block; 762. a second tilt block; 763. positioning a rod; 764. a support panel; 765. a second spring; 8. a gasket; 9. a limiting frame; 10. a chute; 11. a base.

Detailed Description

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

The embodiment is as follows:

referring to fig. 1-3, the utility model discloses a gear apron injection mold, including bed die 1 and the pipeline 3 of moulding plastics of intercommunication setting on the lateral wall of bed die 1, be provided with check valve 4 on the pipeline 3 of moulding plastics, be provided with mould 2 directly over bed die 1, the lower extreme fixed mounting of bed die 1 has base 11, the upper end fixed mounting of base 11 has U-shaped panel 5, the lower extreme fixed mounting of the 5 horizontal walls of U-shaped panel has two cylinders 6, the lower extreme of two cylinders 6 jointly with last mould 2 fixed mounting, be provided with the roof pressure subassembly 7 that is used for increasing gear apron mould density on the last mould 2.

Roof pressure subassembly 7 is including sliding piston 71 that sets up on the lateral wall of last mould 2 inner chamber, the upper end fixed mounting of piston 71 has spliced pole 72, be the restriction panel 73 of recess in the middle of the upper end fixed mounting of spliced pole 72, the upper end contact of restriction panel 73 is provided with balancing weight 74, setting through balancing weight 74, can give piston 71 certain pressure, the pressure value is big more promptly, the liquid density of moulding plastics is big more, the pressure value is little less, the density of the liquid of moulding plastics is little less, the upper end of going up mould 2 is provided with and is used for carrying out spacing stop block 76 to spliced pole 72. Under the cooperation of the connecting column 72, the piston 71, the limiting panel 73, the counterweight 74 and the limiting unit 76, the gravity for pressing down the piston 71 can be increased by replacing the counterweight 74, and the density of the injected raw materials can be increased.

And sealing gaskets 8 are arranged at the joints of the piston 71 and the side wall of the inner cavity of the upper die 2. By providing the packing 8, a sealing line between the piston 71 and the upper die 2 can be increased.

The connecting column 72 is sleeved with a first spring 75, and two ends of the first spring 75 are respectively fixedly connected with the upper end wall of the piston 71 and the axial side of the connecting column 72. The piston 71 can be returned to the initial position after a certain displacement by the arrangement of the first spring 75.

The limiting unit 76 comprises a supporting panel 764 fixedly mounted at the upper end of the upper die 2, a plurality of first inclined blocks 761 are fixedly mounted at the axial side of the connecting column 72, a positioning rod 763 is slidably arranged on the supporting panel 764, a second inclined block 762 is fixedly mounted at one end of the positioning rod 763, an inclined surface of the second inclined block 762 contacts with an inclined surface of one of the first inclined blocks 761, a second spring 765 is sleeved on the positioning rod 763, and two ends of the second spring 765 are fixedly connected with the inner cavity side wall of the supporting panel 764 and the axial side of the positioning rod 763 respectively. Under the cooperation of first slope piece 761, supporting panel 764, locating lever 763, second slope piece 762 and second spring 765, can carry out certain spacing to spliced pole 72, prevent that piston 71 from moving to suitable position, downwards take place to remove.

The lower extreme fixed mounting of U-shaped panel 5 has spacing frame 9, has all seted up spout 10 on the both sides wall of spacing frame 9, and spliced pole 72 slides and sets up on spacing frame 9, and the both ends of restriction panel 73 slide and set up in corresponding spout 10. Under the cooperation of the limiting frame 9 and the sliding groove 10, the connecting column 72 and the limiting panel 73 can be ensured to move stably.

The support panel 764 is inserted into the positioning frame 9. Longitudinal displacement of the support panel 764 may be ensured.

The implementation principle of the above embodiment is as follows: when need carry out injection moulding to gear apron, generally adjust the balancing weight 74 of placing on restriction panel 73 according to the density demand of the row of fender lid of making, when balancing weight 74 placed, in pipeline 3 will be moulded plastics the raw materials injection moulding into lower mould 1 through moulding plastics, the raw materials of injection moulding into lower mould 1 this moment can carry out the jack-up with piston 71 in its last mould 2 laminating, piston 71 drove spliced pole 72 and takes place longitudinal displacement along last mould 2 this moment, spliced pole 72 drives first sloping block 761 and upwards moves along the second sloping block 762 that corresponds, first sloping block 761 can extrude second sloping block 762 this moment, second sloping block 762 slides along support panel 764 through locating lever 763, it stretches second spring 765 simultaneously, when first sloping block 761 keeps away from second sloping block, second sloping block 762 resumes initial position through the elasticity of second spring 765, can carry out spacing to first sloping block 761, carry out spacing spliced pole 72 and piston 71 simultaneously, reached and increased the fender effect of injecting into the material, the density of promptly, guarantee that gear apron density is even, its quality has been improved.

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 are covered within the protection scope of the utility model.

Claims

1. The utility model provides a gear apron injection mold, includes that bed die (1) and intercommunication set up injection moulding pipeline (3) on bed die (1) lateral wall, be provided with check valve (4) on injection moulding pipeline (3), be provided with mould (2) directly over bed die (1), the lower extreme fixed mounting of bed die (1) has base (11), the upper end fixed mounting of base (11) has U panel (5), the lower extreme fixed mounting of U panel (5) horizontal wall has two cylinders (6), two the lower extreme of cylinder (6) is common with last mould (2) fixed mounting, its characterized in that: the upper die (2) is provided with a jacking assembly (7) for increasing the density of the gear cover plate die;

the jacking assembly (7) comprises a piston (71) which is arranged on the side wall of an inner cavity of the upper die (2) in a sliding mode, a connecting column (72) is fixedly arranged at the upper end of the piston (71), a limiting panel (73) which is provided with a groove in the middle is fixedly arranged at the upper end of the connecting column (72), a balancing weight (74) is arranged in contact with the upper end of the limiting panel (73), and a limiting unit (76) used for limiting the connecting column (72) is arranged at the upper end of the upper die (2).

2. The gear cover plate injection mold of claim 1, wherein: and sealing gaskets (8) are arranged at the joints of the piston (71) and the side wall of the inner cavity of the upper die (2).

3. The gear cover plate injection mold according to claim 2, wherein: the connecting column (72) is sleeved with a first spring (75), and two ends of the first spring (75) are fixedly connected with the upper end wall of the piston (71) and the axial side of the connecting column (72) respectively.

4. The gear cover plate injection mold according to claim 3, wherein: spacing unit (76) have supporting panel (764) including fixed mounting at last mould (2) upper end, the axial side fixed mounting of spliced pole (72) has the first slope piece (761) of a plurality of, it is provided with locating lever (763) to slide on supporting panel (764), the one end fixed mounting of locating lever (763) has the second slope piece (762), the inclined plane and one of them of second slope piece (762) the inclined plane of first slope piece (761) contacts, cup jointed second spring (765) on locating lever (763), the both ends of second spring (765) respectively with the inner chamber lateral wall of supporting panel (764) and the axial side fixed connection of locating lever (763).

5. The gear cover plate injection mold according to claim 4, wherein: the lower extreme fixed mounting of U-shaped panel (5) has spacing frame (9), spout (10) have all been seted up on the both sides wall of spacing frame (9), spliced pole (72) slide and set up on spacing frame (9), the both ends of restriction panel (73) slide and set up in spout (10) that correspond.

6. The gear cover plate injection mold according to claim 5, wherein: the supporting panel (764) is inserted into the limiting frame (9).