CN209869269U

CN209869269U - Plastic mold blank convenient for rapidly replacing mold core

Info

Publication number: CN209869269U
Application number: CN201920103686.5U
Authority: CN
Inventors: 翁志斌
Original assignee: Shenzhen Xinshengdu Mould Technology Co Ltd
Current assignee: Shenzhen Xinshengdu Mould Technology Co Ltd
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2019-12-31
Anticipated expiration: 2029-01-22

Abstract

The utility model discloses a plastics mould embryo convenient to quick replacement mold core relates to plastics mould embryo technical field, including first mould embryo and second mould embryo, the upper end of first mould embryo is equipped with four guide pillars, and four guide slots have been seted up on the lower extreme surface of second mould embryo, and the slide bar is installed to the upper end of base, and the slider is installed to the left end of second mould embryo, and rotating gear is installed to the right-hand member of first mould embryo, and the carriage release lever is installed to the right-hand member of second mould embryo, and the dead lever is installed to the right-hand member of first mould embryo. The utility model relates to a novelty, simple structure, convenient to use waves the crank, can rotate the rotating gear in the rolling disc outside to make the left rack of carriage release lever reciprocate, thereby make the carriage release lever drive the second mould embryo of upper end and reciprocate, after removing the second mould embryo to the height of removable inside mold core, need not the second mould embryo of operating personnel manual upper end of moving, can be with first mould embryo and second mould embryo separation, thereby carry out the fast reading change to the mold core.

Description

Plastic mold blank convenient for rapidly replacing mold core

Technical Field

The utility model relates to a plastics mould embryo technical field specifically is a plastics mould embryo convenient to quick replacement mold core.

Background

The mould, the industrial production uses injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting, stamping, etc. to get the various moulds and tools of the required products, in short, the mould is the tool used for making the formed 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 formed material, the blank becomes the tool with the particular shape and size under the action of external force, widely used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and the forming processing of the compression moulding or injection moulding of engineering plastics, rubber, ceramics, etc., the mould has the particular outline or cavity shape, the blank can be separated (blanked) according to the contour line shape by using the outline shape with cutting edge, the blank can obtain the corresponding three-dimensional shape by using the cavity shape, the die generally comprises a movable die and a fixed die (or a male die and a female die), the movable die and the fixed die can be separated and combined, a workpiece is taken out when the movable die and the fixed die are separated, a blank is injected into a die cavity for forming when the fixed die is combined, the die is a precise tool, the shape is complex, the expansion force of the blank is borne, the requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision are high, and the development level of die production is one of important marks of the mechanical manufacturing level.

Among the current mould structure, every product all need one set of corresponding mould embryo and die cavity, when changing the product, need change one set of mould and mould plastics, change at every turn and all need fix a position and sign indicating number mould again to each layer structure of mould for the material cost and the die filling expense of mould are all very high, and traditional mould embryo subassembly is comparatively complicated when changing, and the dismouting that needs long-time the carrying on of dismantlement and installation messenger, and change efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastics mould embryo convenient to quick replacement mold core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plastics mould embryo convenient to quick replacement mold core, includes first mould embryo and second mould embryo, the lower extreme horizontal installation of first mould embryo has the base, the inside of first mould embryo and second mould embryo is equipped with the die cavity, the internally mounted of die cavity has the mold core, the upper end of first mould embryo is equipped with four guide pillars, four guide slots have been seted up on the lower extreme surface of second mould embryo, the slide bar is installed to the upper end of base, the slider is installed to the left end of second mould embryo, rolling gear is installed to the right-hand member of first mould embryo, the carriage release lever is installed to the right-hand member of second mould embryo, the dead lever is installed to the right-hand member of first mould embryo.

As a further aspect of the present invention: the upper end of base is equipped with first hole, the lower extreme of slide bar is equipped with first post, the slide rail has been seted up on the right side of slide bar, slider slidable mounting is in the slide rail.

As a further aspect of the present invention: and a second column is horizontally arranged at the right end of the sliding block, and a second hole is formed in the surface of the left end of the second mold blank.

As a further aspect of the present invention: first screw has been seted up on the right side surface of carriage release lever and second mould embryo, the internal thread of first screw is connected with first bolt, the left side fixed mounting of carriage release lever has the rack.

As a further aspect of the present invention: the surface of the fixed rod is provided with a rotating hole, a rotating shaft is arranged in the rotating hole, a rotating disc is fixedly arranged at the right end of the rotating shaft, a rotating gear is arranged on the outer side of the rotating disc, and a crank is arranged on the outer side of the rotating disc.

As a further aspect of the present invention: the surface of the rotating disc is penetrated with a through hole, the surface of the fixing rod is provided with a positioning hole, and the positioning hole and the through hole are internally provided with a positioning rod in a sliding manner.

As a further aspect of the present invention: the right side surface of the fixed rod is provided with a second screw hole, a second bolt is installed inside the second screw hole, an external thread is arranged on the outer side of the second bolt, and an internal thread is arranged inside the second screw hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has novel design, simple structure and convenient use, when a new product is needed to be injected, the whole mould does not need to be replaced, and only the mould core in the mould groove needs to be replaced after the first mould blank and the second mould blank are separated, thereby reducing the manufacturing cost and improving the production efficiency; the second column at the right end of the sliding block is inserted into the second hole of the first mold blank, so that the sliding block can be fixedly arranged at the left end of the second mold blank, the first column at the lower end of the sliding rod is arranged in the first hole of the base, the sliding rail can be fixed at the upper end of the base, the sliding block and the second mold blank vertically move up and down on the sliding rod at the upper end of the base, and the mold core in the mold cavity can be replaced after the second mold blank is moved away from the upper end of the first mold blank, so that the speed of replacing the mold core is increased; after the second mold blank is moved to the height of the replaceable internal mold core, the positioning rod is inserted into the through hole and the positioning hole, so that the rotating disc and the rotating gear on the outer side do not move any more, the second mold blank on the upper end is fixed in position, the second mold blank on the upper end does not need to be manually moved by an operator, the first mold blank and the second mold blank can be separated only by shaking the crank, and the internal mold core is quickly read and replaced.

Drawings

FIG. 1 is a schematic view of a plastic mold blank for facilitating rapid core replacement;

FIG. 2 is a schematic view of a slide block in a plastic mold blank for facilitating rapid core replacement;

FIG. 3 is a schematic view of a rack in a plastic mold blank that facilitates rapid core replacement;

FIG. 4 is a schematic view of a rotating disk in a plastic mold blank for facilitating rapid replacement of a mold core.

In the figure: 1. a first mold base; 2. a second mold blank; 3. a base; 4. a guide post; 5. a guide groove; 6. a die cavity; 7. a mold core; 8. a first hole; 9. a slide bar; 10. a first column; 11. a slide rail; 12. a slider; 13. a second column; 14. a second hole; 15. A travel bar; 16. a first screw hole; 17. a first bolt; 18. a rack; 19. fixing the rod; 20. rotating the hole; 21. a rotating shaft; 22. rotating the disc; 23. a rotating gear; 24. a crank; 25. a through hole; 26. positioning holes; 27. a second screw hole; 28. A second bolt; 29. an external thread; 30. an internal thread; 31. and (5) positioning the rod.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a plastic mold blank convenient for rapidly replacing a mold core comprises a first mold blank 1 and a second mold blank 2, a base 3 is horizontally installed at a lower end of the first mold blank 1, a mold cavity 6 is installed inside the first mold blank 1 and the second mold blank 2, a mold core 7 is installed inside the mold cavity 6, four guide posts 4 are installed at an upper end of the first mold blank 1, four guide grooves 5 are opened at a lower end surface of the second mold blank 2, a slide bar 9 is installed at an upper end of the base 3, a slide block 12 is installed at a left end of the second mold blank 2, a rotating gear 23 is installed at a right end of the first mold blank 1, a moving bar 15 is installed at a right end of the second mold blank 2, a fixing bar 19 is installed at a right end of the first mold blank 1, when a new product needs to be injection molded, the entire mold need not to be replaced, only after the first mold blank 1 and the second mold blank 2 are separated, the mold core 7 in the mold cavity 6 can, the manufacturing cost is reduced, the production efficiency is improved, the guide groove 5 of the second mold blank 2 can be inserted into the guide pillar 4 of the first mold blank 1, the positioning of the first mold blank 1 and the second mold blank 2 is more accurate, the deviation between the positions of the first mold blank 1 and the second mold blank 2 is prevented, and the quality of a product produced by injection molding is higher.

The upper end of base 3 is equipped with first hole 8, the lower extreme of slide bar 9 is equipped with first post 10, slide rail 11 has been seted up on the right side of slide bar 9, slider 12 slidable mounting is in slide rail 11, the right-hand member horizontal installation of slider 12 has second post 13, second hole 14 has been seted up on the left end surface of second mould embryo 2, insert the second post 13 of slider 12 right-hand member in the second hole 14 of first mould embryo 1, can make slider 12 fixed mounting at the left end of second mould embryo 2, install the first post 10 of slide bar 9 lower extreme in the first hole 8 on base 3, can fix slide rail 11 in the upper end of base 3, thereby make slider 12 and second mould embryo 2 vertical up-and-down motion on the slide bar 9 of base 3 upper end, with second mould embryo 2 from the upper end of first mould embryo 1 after puting aside, can change mold core 7 in the die cavity 6, the speed of changing mold core 7 has been increased.

The right side surfaces of the moving rod 15 and the second mold blank 2 are provided with a first screw hole 16, the inner part of the first screw hole 16 is in threaded connection with a first bolt 17, the left side of the moving rod 15 is fixedly provided with a rack 18, the surface of the fixed rod 19 is provided with a rotating hole 20, the inside of the rotating hole 20 is provided with a rotating shaft 21, the right end of the rotating shaft 21 is fixedly provided with a rotating disc 22, the outside of the rotating disc 22 is provided with a rotating gear 23, the outside of the rotating disc 22 is provided with a crank 24, the surface of the rotating disc 22 is penetrated with a through hole 25, the surface of the fixed rod 19 is provided with a positioning hole 26, the inside of the positioning hole 26 and the through hole 25 is slidably provided with a positioning rod 31, the right side surface of the fixed rod 19 is provided with a second screw hole 27, the inside of the second screw hole 27 is provided with a second bolt 28, the outside of the second bolt 28 is provided with an external thread 29, the inside of, wave crank 24, can rotate the rotating gear 23 in the rolling disc 22 outside, thereby make the left rack 18 of carriage release lever 15 reciprocate, thereby make carriage release lever 15 drive the second mould embryo 2 of upper end reciprocate, after moving second mould embryo 2 to the height of removable inside mold core 7, insert the inside at through-hole 25 and locating hole 26 with locating lever 31, can make the rotating gear 23 no longer move in rolling disc 22 and the outside, thereby make second mould embryo 2 position of upper end realize fixedly, need not the second mould embryo 2 of upper end of operating personnel manual handling, only need to wave crank 24, can be with first mould embryo 1 and the separation of second mould embryo 2, thereby carry out the change of reading soon to inside mold core 7.

The utility model discloses a theory of operation is: the guide groove 5 of the second mold blank 2 can be inserted into the guide post 4 of the first mold blank 1, so that the positioning of the first mold blank 1 and the second mold blank 2 is more accurate, the position deviation between the first mold blank 1 and the second mold blank 2 is prevented, and the quality of the product produced by injection molding is higher, the second post 13 at the right end of the slide block 12 is inserted into the second hole 14 of the first mold blank 1, so that the slide block 12 is fixedly arranged at the left end of the second mold blank 2, the first post 10 at the lower end of the slide rod 9 is arranged in the first hole 8 on the base 3, so that the slide rail 11 can be fixed at the upper end of the base 3, so that the slide block 12 and the second mold blank 2 vertically move up and down on the slide rod 9 at the upper end of the base 3, after the second mold blank 2 is removed from the upper end of the first mold blank 1, the mold core 7 in the mold groove 6 can be replaced, the crank 24 is rocked, and the rotating gear 23 at the outer side of the rotating, therefore, the rack 18 on the left side of the moving rod 15 moves up and down, so that the moving rod 15 drives the second mold blank 2 at the upper end to move up and down, and after the second mold blank 2 is moved to the height of the replaceable internal mold core 7, the positioning rod 31 is inserted into the through hole 25 and the positioning hole 26, so that the rotating disc 22 and the rotating gear 23 on the outer side can not move any more.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A plastic mould blank convenient for fast changing a mould core comprises a first mould blank (1) and a second mould blank (2), a base (3) is horizontally arranged at the lower end of the first mould blank (1), a mould groove (6) is arranged inside the first mould blank (1) and the second mould blank (2), a mould core (7) is arranged inside the mould groove (6), it is characterized in that the upper end of the first mould blank (1) is provided with four guide posts (4), the lower end surface of the second mould blank (2) is provided with four guide grooves (5), a slide bar (9) is arranged at the upper end of the base (3), a slide block (12) is arranged at the left end of the second mould blank (2), rotating gear (23) are installed to the right-hand member of first mould embryo (1), carriage release lever (15) are installed to the right-hand member of second mould embryo (2), dead lever (19) are installed to the right-hand member of first mould embryo (1).

2. The plastic mold blank convenient for rapidly replacing the mold core as recited in claim 1, wherein the base (3) is provided with a first hole (8) at the upper end thereof, the slide bar (9) is provided with a first column (10) at the lower end thereof, the slide bar (9) is provided with a slide rail (11) at the right side thereof, and the slide block (12) is slidably mounted in the slide rail (11).

3. The plastic mold blank convenient for rapidly replacing the mold core as recited in claim 1, wherein a second column (13) is horizontally installed at the right end of the slide block (12), and a second hole (14) is formed in the left end surface of the second mold blank (2).

4. The plastic mold blank convenient for rapidly replacing the mold core as in claim 1, wherein the right side surfaces of the moving rod (15) and the second mold blank (2) are provided with first screw holes (16), the first screw holes (16) are internally and threadedly connected with first bolts (17), and the left side of the moving rod (15) is fixedly provided with a rack (18).

5. The plastic mold blank convenient for rapidly replacing the mold core as recited in claim 1, wherein a rotating hole (20) is formed in the surface of the fixing rod (19), a rotating shaft (21) is arranged inside the rotating hole (20), a rotating disc (22) is fixedly installed at the right end of the rotating shaft (21), a rotating gear (23) is arranged on the outer side of the rotating disc (22), and a crank (24) is arranged on the outer side of the rotating disc (22).

6. The plastic mold blank convenient for rapidly replacing the mold core as recited in claim 5, wherein a through hole (25) penetrates through the surface of the rotating disc (22), a positioning hole (26) is formed in the surface of the fixing rod (19), and a positioning rod (31) is slidably mounted inside the positioning hole (26) and the through hole (25).

7. The plastic mold blank convenient for rapidly replacing the mold core as recited in claim 1, wherein a second screw hole (27) is formed on the right side surface of the fixing rod (19), a second bolt (28) is installed inside the second screw hole (27), an external thread (29) is arranged on the outer side of the second bolt (28), and an internal thread (30) is arranged inside the second screw hole (27).