CN215703595U

CN215703595U - Demoulding device for plastic mould

Info

Publication number: CN215703595U
Application number: CN202120398402.7U
Authority: CN
Inventors: 黄勇; 刘娜
Original assignee: Xiamen Jingfengyi Industry And Trade Co ltd
Current assignee: Xiamen Jingfengyi Industry And Trade Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2022-02-01
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a demoulding device for a plastic mould, which comprises a supporting column, wherein the top of the supporting column is fixedly connected with a supporting box, the top of the supporting box is fixedly connected with a lower mould, the inside of the supporting box is rotatably connected with a screw rod, the inside of the supporting box is slidably connected with a slide block, the slide block is in threaded connection with the screw rod, the top of the slide block is symmetrically and fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with a top block, the top block and the connecting rod are both in sliding connection with the lower mould, the top of the screw rod is fixedly connected with a third bevel gear, the inside of the supporting box is rotatably connected with a transmission rod, the outer side of the transmission rod is fixedly connected with a fourth bevel gear, and the top block, the connecting rod, the screw rod, the slide block, the third bevel gear, the fourth bevel gear, the second bevel gear, the first bevel gear, the transmission rod, a device, a gear, a cylinder and a rack which are arranged in the demoulding device can automatically eject out a formed product when the mould is opened, realize automatic drawing of patterns, make people lighter, improved drawing of patterns efficiency.

Description

Demoulding device for plastic mould

Technical Field

The utility model relates to the technical field of molds, in particular to a demolding device for a plastic mold.

Background

The mould, the industrial production uses injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting, various moulds and tools of the required products to get, in short, the mould is the tool used for making the shaping article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the article appearance through the change of the physical state of the shaping material, it is used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and the shaping processing of compression moulding or injection moulding of products such as engineering plastics, rubber, ceramics, etc., the mould has the specific outline or cavity shape, the application of the outline shape with cutting edge can make the blank separate according to the outline shape, the application cavity shape can make the blank obtain the corresponding stereoscopic shape, the plastic product is easy to stick on the mould and can't be demolded automatically, generally, a demolding device is needed for demolding, but the existing demolding device is single in structure, needs to depend on more manual operations, and is low in demolding efficiency and complex in steps.

SUMMERY OF THE UTILITY MODEL

The utility model provides a demoulding device for a plastic mould, aiming at the defects of the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: a demoulding device for a plastic mould comprises a support column, wherein the top of the support column is fixedly connected with a support box, the top of the support box is fixedly connected with a lower mould, the inside of the support box is rotatably connected with a screw rod, the inside of the support box is slidably connected with a slide block, the slide block is in threaded connection with the screw rod, the top of the slide block is symmetrically and fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with a top block, the top block and the connecting rod are both slidably connected with the lower mould, the top of the screw rod is fixedly connected with a third bevel gear, the inside of the support box is rotatably connected with a transmission rod, the outer side of the transmission rod is fixedly connected with a fourth bevel gear, the fourth bevel gear is meshed with the third bevel gear, the two ends of the transmission rod are both fixedly connected with a second bevel gear, the inside of the support box is symmetrically provided with a rotating shaft, and the outer side of the rotating shaft is fixedly connected with a first bevel gear, the first bevel gear is meshed with the second bevel gear, a transmission gear is fixedly connected to the outer side of the rotating shaft, air cylinders are symmetrically and fixedly connected to the top of the supporting box, a connecting plate is fixedly connected to the output end of each air cylinder, racks are fixedly connected to the two sides of the connecting plate, and the racks are meshed with the transmission gear.

As a preferable scheme of the present invention, an upper die is fixedly connected to the bottom of the connecting plate.

As a preferable scheme of the utility model, the bottom of the connecting plate is symmetrically and fixedly connected with limiting rods.

As a preferable scheme of the utility model, the top of the supporting box is symmetrically and fixedly connected with limiting blocks matched with the limiting rods, and the limiting blocks are connected with the limiting rods in a sliding manner.

In a preferred embodiment of the present invention, an injection pipe is provided inside the lower mold.

Compared with the prior art, the utility model has the following beneficial effects: the ejector block, the connecting rod, the lead screw, the slider, No. three bevel gears, No. four bevel gears, No. two bevel gears, No. one bevel gear, transfer line, device, gear, cylinder and rack that this shedder set up can be when the mould die sinking, and the product after will shaping is automatic ejecting, realizes automatic drawing of patterns, makes people lighter, has improved drawing of patterns efficiency, and the stopper and the gag lever post of setting can be used for restricting the connecting plate, avoids the connecting plate to take place the skew, has improved the stability of device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is an enlarged view of the utility model at A;

FIG. 3 is a schematic structural view of the ejector block of the present invention after ejection;

in the figure: 1. a support pillar; 2. a support box; 3. a lower die; 4. a limiting block; 5. a limiting rod; 6. a first bevel gear; 7. an upper die; 8. a top block; 9. a connecting plate; 10. a second bevel gear; 11. a cylinder; 12. a rack; 13. a connecting rod; 14. a slider; 15. a third bevel gear; 16. a fourth bevel gear; 17. a screw rod; 18. injection molding a tube; 19. a transmission rod; 20. a rotating shaft; 21. a transmission gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a demoulding device for a plastic mould comprises a support column 1, a support box 2 is fixedly connected to the top of the support column 1, a lower mould 3 is fixedly connected to the top of the support box 2, a screw rod 17 is rotatably connected to the inside of the support box 2, the screw rod 17 can be used for enabling a slider 14 to move and facilitating demoulding, a slider 14 is slidably connected to the inside of the support box 2, the slider 14 is in threaded connection with the screw rod 17, connecting rods 13 are symmetrically and fixedly connected to the top of the slider 14, a top block 8 is fixedly connected to the top of the connecting rods 13, the top block 8 can be used for ejecting a formed product and facilitating operation, the top block 8 and the connecting rods 13 are both in sliding connection with the lower mould 3, a third bevel gear 15 is fixedly connected to the top of the screw rod 17, a transmission rod 19 is rotatably connected to the inside of the support box 2, a fourth bevel gear 16 is fixedly connected to the outer side of the transmission rod 19, and the fourth bevel gear 16 is meshed with the third bevel gear 15, equal fixedly connected with No. two bevel gears 10 in both ends of transfer line 19, the inside symmetry of supporting box 2 is provided with pivot 20, bevel gear 6 No. one of the outside fixedly connected with of pivot 20, bevel gear 6 is connected with No. two bevel gears 10 meshing, the outside fixedly connected with drive gear 21 of pivot 20, the top symmetry fixedly connected with cylinder 11 of supporting box 2, the output fixedly connected with connecting plate 9 of cylinder 11, the equal fixedly connected with rack 12 in both sides of connecting plate 9, rack 12 is connected with drive gear 21 meshing, rack 12 can make pivot 20 rotate with drive gear 21, thereby make the power of die sinking also can be applied to the drawing of patterns, power has been reduced, and production cost is reduced.

The bottom of the connecting plate 9 is fixedly connected with an upper die 7, and the upper die 7 can be matched with the lower die 3 to facilitate product forming; the bottom of the connecting plate 9 is symmetrically and fixedly connected with limiting rods 5, and the limiting rods 5 can be used for limiting the connecting plate 9, so that the connecting plate 9 is more stable; the top of the support box 2 is symmetrically and fixedly connected with limit blocks 4 matched with the limit rods 5, the limit blocks 4 can be used for limiting the limit rods 5 and preventing the limit rods 5 from deviating, and the limit blocks 4 are connected with the limit rods 5 in a sliding manner; the lower mold 3 is provided with an injection molding pipe 18 inside, and the injection molding pipe 18 can be used for injecting the raw material.

The working principle is as follows: when the demoulding device is used, raw materials are injected into a mould through an injection pipe 18, when the raw materials are cooled and formed and need to be ejected out of the mould, an air cylinder 11 is started, the air cylinder 11 enables a connecting plate 9 to move upwards, the connecting plate 9 enables an upper mould 7 to move upwards, the connecting plate 9 enables a rack 12 to move upwards, the rack 12 enables a transmission gear 21 to rotate, the transmission gear 21 enables a rotating shaft 20 to rotate, the rotating shaft 20 enables a first bevel gear 6 to rotate, the first bevel gear 6 enables a second bevel gear 10 to rotate, the second bevel gear 10 rotates to rotate a transmission rod 19, the transmission rod 19 enables a fourth bevel gear 16 to rotate, the fourth bevel gear 16 enables a screw rod 17 to rotate through a third bevel gear 15, the screw rod 17 rotates to enable a sliding block 14 to move upwards, the sliding block 14 enables an ejector block 8 to move upwards through a connecting rod 13, the ejector block 8 ejects out a formed product, demoulding is completed, when the mould is closed, the connecting plate 9 drives the rack 12 to move downwards to enable the transmission gear 21 to rotate, and the rotation direction of the transmission gear 21 is opposite to the rotation direction during mold opening, so that the top block 8 descends, and people can conveniently perform injection molding.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 shedder that plastic mould used, includes support column (1), its characterized in that: the top of the support column (1) is fixedly connected with a support box (2), the top of the support box (2) is fixedly connected with a lower die (3), the inside of the support box (2) is rotatably connected with a screw rod (17), the inside of the support box (2) is slidably connected with a slide block (14), the slide block (14) is in threaded connection with the screw rod (17), the top of the slide block (14) is symmetrically and fixedly connected with a connecting rod (13), the top of the connecting rod (13) is fixedly connected with a top block (8), the top block (8) and the connecting rod (13) are both in sliding connection with the lower die (3), the top of the screw rod (17) is fixedly connected with a third bevel gear (15), the inside of the support box (2) is rotatably connected with a transmission rod (19), the outer side of the transmission rod (19) is fixedly connected with a fourth bevel gear (16), and the fourth bevel gear (16) is meshed with the third bevel gear (15), the equal fixedly connected with second bevel gear (10) in both ends of transfer line (19), the inside symmetry of supporting box (2) is provided with pivot (20), the outside fixedly connected with bevel gear (6) of pivot (20), bevel gear (6) are connected with second bevel gear (10) meshing, the outside fixedly connected with drive gear (21) of pivot (20), the top symmetry fixedly connected with cylinder (11) of supporting box (2), the output fixedly connected with connecting plate (9) of cylinder (11), the equal fixedly connected with rack (12) in both sides of connecting plate (9), rack (12) are connected with drive gear (21) meshing.

2. The demolding device for a plastic mold as claimed in claim 1, wherein: the bottom of the connecting plate (9) is fixedly connected with an upper die (7).

3. The demolding device for a plastic mold as claimed in claim 1, wherein: the bottom of the connecting plate (9) is symmetrically and fixedly connected with limiting rods (5).

4. The demolding device for a plastic mold as claimed in claim 3, wherein: the top symmetry fixedly connected with of supporting box (2) and gag lever post (5) complex stopper (4), stopper (4) and gag lever post (5) sliding connection.

5. The demolding device for a plastic mold as claimed in claim 1, wherein: and an injection molding pipe (18) is arranged in the lower die (3).