CN219025726U

CN219025726U - Metal mold slant ejector rod demoulding mechanism

Info

Publication number: CN219025726U
Application number: CN202320021485.7U
Authority: CN
Inventors: 朱平
Original assignee: Jiangsu Taichang Machinery Technology Co ltd
Current assignee: Jiangsu Taichang Machinery Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-16
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a metal mold inclined ejector rod demoulding mechanism in the technical field of molds, which comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a mold foot, the upper end of the mold foot is fixedly connected with a lower template, a groove is formed in the lower template, a mold core is fixedly connected in the groove, a demoulding mechanism is arranged in the mold core, the demoulding mechanism comprises a telescopic groove formed in the mold core, a top edge frame is slidably connected in the telescopic groove, the top edge frame is slidably connected with the mold core, the surface of the top edge frame is flush with the surface of the mold core, a first spring is fixedly connected in the telescopic groove, and the lower end of the first spring is fixedly connected with the top edge frame.

Description

Metal mold slant ejector rod demoulding mechanism

Technical Field

The utility model relates to the technical field of dies, in particular to a demoulding mechanism of an inclined ejector rod of a metal die.

Background

The mold refers to various tools used for obtaining required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production, and when injection molding is performed on some products with barb parts, an inclined ejector rod, which is also called an inclined ejector rod, is needed.

When carrying out the drawing of patterns to injection molding spare, through can using the thimble to push out the injection molding spare, accomplish drawing of patterns work, but can be so because of the thimble contact surface is less, when ejecting injection molding spare, lead to injection molding spare impaired, and injection molding spare all has certain thickness after the shaping, when the drawing of patterns, through pushing the limit portion of injection molding spare, not only can accomplish the drawing of patterns effect, and when the drawing of patterns, the atress is comparatively even also, can not lead to injection molding spare damage.

Therefore, the utility model provides a demoulding mechanism of an inclined ejector rod of a metal mould, which aims to solve the problem that an injection molding part is damaged when the injection molding part is ejected due to the small contact surface of the ejector rod.

Disclosure of Invention

The utility model aims to provide a demoulding mechanism of an inclined ejector rod of a metal mould, which aims to solve the problem that an injection molding part is damaged when the injection molding part is ejected due to the small contact surface of the ejector rod.

In order to solve the technical problems, the utility model provides a metal mold inclined ejector rod demolding mechanism, which comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a mold foot, the upper end of the mold foot is fixedly connected with a lower mold plate, a groove is formed in the lower mold plate, a mold core is fixedly connected in the groove, a demolding mechanism is arranged in the mold core, the demolding mechanism comprises a telescopic groove formed in the mold core, a top edge frame is slidably connected in the telescopic groove, the top edge frame is slidably connected with the mold core, the surface of the top edge frame is flush with the surface of the mold core, a first spring is fixedly connected in the telescopic groove, and the lower end of the first spring is fixedly connected with the top edge frame.

Preferably, the guide way has been seted up on the mould foot surface, sliding connection has the guide block in the guide way, guide block fixedly connected with roof, roof upper end fixedly connected with jack-prop, laminating between jack-prop up terminal surface and the topside frame, sliding connection between jack-prop and mold core and the lower bolster, the movable groove has been seted up to the roof up terminal surface, swing joint has the diagonal bar in the movable groove, the chute has been seted up to the terminal surface under the mold core, sliding connection between chute and the diagonal bar.

Preferably, the upper end of the top plate is fixedly connected with an air cylinder, the output end of the air cylinder is attached to the lower end face of the top plate, a second spring is fixedly connected in the guide groove, and the lower end of the second spring is fixedly connected with the guide block.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the injection molding machine is used for injecting the mold, the upper mold part is opened after cooling, and the injection molding part of the injection molding finished product has a certain thickness, the cylinder is started to move, so that the top plate is pushed upwards, the top plate is pushed upwards through the top column to push the top frame to move upwards, the lower end face of the injection molding part is pushed to be separated from the mold core, meanwhile, the top plate is pushed to move upwards to drive the inclined rod to slide upwards in the chute in the mold core, the lower end of the inclined rod moves in the top plate, so that the effect of pushing the injection molding part upwards is achieved, the top plate is reset to drive the inclined rod to reset downwards, the injection molding part is separated from the inclined rod, and the demoulding module is pushed upwards through the top frame, so that the demoulding effect of the injection molding part is achieved.

Drawings

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

FIG. 2 is a schematic view in partial cross-section of the present utility model;

FIG. 3 is a schematic view of portion A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the mold core and top rim of the present utility model disassembled;

in the figure: 1. a bottom plate; 2. a mold foot; 3. a lower template; 4. a groove; 5. a mold core; 6. a telescopic slot; 7. a top rim; 8. a first spring; 9. a guide groove; 10. a guide block; 11. a top plate; 12. a top column; 13. a movable groove; 14. a diagonal rod; 15. a chute; 16. a cylinder; 17. and a second spring.

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.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a metal mold slant ejector pin demoulding mechanism, including bottom plate 1, bottom plate 1 upper end fixedly connected with mould foot 2, mould foot 2 upper end fixedly connected with lower bolster 3, set up recess 4 in the lower bolster 3, fixedly connected with mold core 5 in the recess 4, be provided with demoulding mechanism in the mold core 5, demoulding mechanism is including the expansion groove 6 of seting up in the mold core 5, sliding connection has topside frame 7 in expansion groove 6, sliding connection between topside frame 7 and the mold core 5, topside frame 7 surface and mold core 5 surface parallel and level, fixedly connected with first spring 8 in the expansion groove 6, fixed connection between topside frame 7 and the first spring 8 lower extreme, during operation, mould plastics in the mould through the injection molding machine, then open the upper die part after through the cooling, because the injection molding of injection molding finished product has certain thickness, at this moment upwards remove through topside frame 7, the demoulding module just can upwards promote the injection molding, thereby reached the effect to the injection molding, then reset topside frame 7 through the effect of first spring 8.

Further, guide groove 9 has been seted up on mould foot 2 surface, sliding connection has guide block 10 in guide groove 9, guide block 10 fixedly connected with roof 11, roof 11 upper end fixedly connected with jack-prop 12, laminating between jack-prop 12 up end and the topside frame 7, sliding connection between jack-prop 12 and mold core 5 and lower bolster 3, movable groove 13 has been seted up to roof 11 up end, movable inslot swing joint has diagonal rod 14, chute 15 has been seted up to the terminal surface under the mold core 5, sliding connection between chute 15 and the diagonal rod 14, during operation, through roof 11 upwards move, roof 11 upwards promotes top frame 7 upwards through jack-prop 12 and upwards moves, promote the terminal surface under the injection molding, make it break away from with mold core 5, simultaneously roof 11 upwards move also can drive diagonal rod 14 upwards move, make diagonal rod 14 upwards slide in the chute 15 in mold core 5, and diagonal rod 14 lower extreme moves in roof 11, the effect of pushing the injection molding upwards has also been played like this, then through roof 11 reset, drive diagonal rod 14 downwards resets, make injection molding break away from diagonal rod 14.

Further, the upper end of the top plate 11 is fixedly connected with the air cylinder 16, the output end of the air cylinder 16 is attached to the lower end face of the top plate 11, the second spring 17 is fixedly connected in the guide groove 9, the lower end of the second spring 17 is fixedly connected with the guide block 10, and when the air cylinder is started to operate, the air cylinder 16 can push the top plate 11 upwards, so that the effect of driving the demolding mechanism to operate is achieved, after the injection molding part is ejected out of the mold core 5 through the demolding mechanism, the air cylinder 16 is retracted, and then the guide block 10 is pushed downwards under the action of the second spring 17 to drive the top plate 11 to reset.

The working principle of the utility model is as follows: when the injection molding machine is used, the upper mold part is opened after the injection molding machine is cooled, the injection molding part of an injection molding finished product has a certain thickness, the cylinder 16 is started to operate, the top plate 11 is pushed upwards through the top plate 11 to move upwards, the lower end face of the injection molding part is pushed upwards through the top post 12 to separate from the mold core 5, the top plate 11 moves upwards to drive the inclined rod 14 to move upwards, the inclined rod 14 slides upwards in the inclined groove 15 in the mold core 5, the lower end of the inclined rod 14 moves in the top plate 11, so that the effect of pushing the injection molding part upwards is achieved, the inclined rod 14 is reset through the top plate 11, the injection molding part is separated from the inclined rod 14, the demoulding module is pushed upwards through the top frame 7, the upper end face of the injection molding part is pushed upwards through the top frame 7, the top frame is pulled back through the cylinder 16 after the injection molding part is ejected out of the mold core 5 through the demoulding mechanism, the top edge 11 is pushed downwards under the action of the second spring 17, the top edge 11 is driven to reset through the first spring 8, and the top edge 7 is reset.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments without departing from the spirit and scope of the utility model, and in addition, the features and embodiments may be modified in light of the teachings of the utility model to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof, and therefore the utility model is not limited to the particular embodiments disclosed herein, but all embodiments falling within the scope of the claims of the present application are intended to be embraced by the utility model.

Claims

1. The utility model provides a metal mold slant ejector pin demoulding mechanism, includes bottom plate (1), bottom plate (1) upper end fixedly connected with mould foot (2), mould foot (2) upper end fixedly connected with lower bolster (3), set up recess (4) in lower bolster (3), fixedly connected with mold core (5), its characterized in that in recess (4): the novel mold is characterized in that a demolding mechanism is arranged in the mold core (5), the demolding mechanism comprises a telescopic groove (6) formed in the mold core (5), a top edge frame (7) is connected in the telescopic groove (6) in a sliding mode, the top edge frame (7) is connected with the mold core (5) in a sliding mode, the surface of the top edge frame (7) is flush with the surface of the mold core (5), a first spring (8) is fixedly connected in the telescopic groove (6), and the lower end of the first spring (8) is fixedly connected with the top edge frame (7).

2. The metal mold diagonal draw bar demolding mechanism according to claim 1, wherein: guide slots (9) are formed in the surfaces of the die feet (2), guide blocks (10) are connected in the guide slots (9) in a sliding mode, top plates (11) are fixedly connected to the guide blocks (10), top columns (12) are fixedly connected to the upper ends of the top plates (11), the upper end faces of the top columns (12) are attached to the top edge frames (7), and the top columns (12) are connected with the die cores (5) and the lower die plates (3) in a sliding mode.

3. The metal mold diagonal draw bar demoulding mechanism according to claim 2, wherein: the movable groove (13) is formed in the upper end face of the top plate (11), the inclined rod (14) is movably connected in the movable groove (13), the inclined groove (15) is formed in the lower end face of the mold core (5), and the inclined groove (15) is connected with the inclined rod (14) in a sliding mode.

4. A metal mold diagonal draw bar stripping mechanism according to claim 3, wherein: the upper end of the top plate (11) is fixedly connected with an air cylinder (16), and the output end of the air cylinder (16) is attached to the lower end face of the top plate (11).

5. The metal mold diagonal draw bar demoulding mechanism according to claim 2, wherein: the guide groove (9) is internally and fixedly connected with a second spring (17), and the lower end of the second spring (17) is fixedly connected with the guide block (10).