CN217648880U

CN217648880U - Double-deck injection mold that resets fast

Info

Publication number: CN217648880U
Application number: CN202220763659.2U
Authority: CN
Inventors: 曾唐鹰
Original assignee: Suzhou Zhenyi Mold Co ltd
Current assignee: Suzhou Zhenyi Mold Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-10-25
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a quick double-deck injection mold who resets, concretely relates to mould technical field, the last mould body among this kind of current double-deck injection mold is not convenient for carry out quick resetting after the completion of moulding plastics, and the bed die body among these double-deck injection mold is not stable enough when fixed, also is not convenient for change, the camera includes a supporting plate, the top of backup pad is connected with the bed die body, open on the top of bed die body has the die cavity, top one side of backup pad is connected with fixing device, the top opposite side of backup pad is connected with the lift resetting means, two the one end of movable block is run through two shifting chutes respectively and is connected with the mould body jointly, the lower extreme of going up the mould body is connected with the extrusion piece that the cooperation die cavity used, the top of going up the mould body is connected with two pipes of moulding plastics to the bed die body is more stable when fixed, also is convenient for change.

Description

Double-deck injection mold that resets fast

Technical Field

The utility model relates to the technical field of mold, specifically be a quick double-deck injection mold who resets.

Background

The double-layer injection mold can be used for injection molding a product by adopting two different plastics, and the double-layer injection mold is often used when producing some automobile parts and the like.

The existing double-layer injection mold has the following problems when in use:

1. the upper die body in the double-layer injection molding dies is inconvenient to rapidly reset after injection molding is finished, and the next work of the whole double-layer injection molding dies is influenced.

2. The lower die body in the double-layer injection molds is not stable enough when being fixed, and is not convenient to replace, so that the practicability of the whole double-layer injection mold is reduced.

To this end, we propose a quick-return double injection mold to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick double-deck injection mold who resets to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a quick-reset double-layer injection mold comprises a supporting plate, wherein the top end of the supporting plate is connected with a lower mold body, the top end of the lower mold body is provided with a mold cavity, the inner surface of one side of the supporting plate is connected with a first fixing plate, one side of the top end of the supporting plate is connected with a fixing device, and the other side of the top end of the supporting plate is connected with a lifting reset device;

the lifting reset device comprises a driving box, one end of the driving box is connected with a mounting plate, the top end of the mounting plate is connected with a driving motor, a driving cavity is formed in the driving box, a rotating rod is rotatably connected to the inner wall of one side of the driving cavity, the output end of the driving motor extends into the driving cavity and is fixedly connected with the rotating rod, two first bevel gears are alternately connected to the outer surface of the rotating rod, the upper parts of the two first bevel gears are respectively connected with a second bevel gear in a meshed mode, two vertical rods are connected to two sides of the top end of the driving box, a moving groove is formed in one end of each vertical rod, threaded rods are rotatably connected to the upper inner walls of the two moving grooves, the lower ends of the two threaded rods extend into the driving cavity and are respectively fixedly connected with the two second bevel gears, and moving blocks are sleeved on the outer surfaces of the two threaded rods;

one end of each of the two moving blocks penetrates through the two moving grooves respectively and is connected with an upper die body together, the lower end of the upper die body is connected with an extrusion block matched with the die cavity, and the top end of the upper die body is connected with two injection molding pipes.

As a preferred technical scheme of the utility model, the lower extreme and the backup pad fixed connection of drive case, and the width of drive case is the same with the width of backup pad.

As a preferred technical scheme of the utility model, fixing device includes fixed case, the lower extreme and the backup pad fixed connection of fixed case, the one end of fixed case is opened there is the activity groove, the activity inslot alternates and is equipped with two pull rods, be connected with the stock between the both sides inner wall of fixed case, two expanding spring and two movable block have been cup jointed to the surface of stock, and the back to back one end of two movable block respectively with two expanding spring fixed connection, two the one end of pull rod respectively with two movable block fixed connection, two the one end of movable block all is connected with two first connecting plates, and all articulates between two first connecting plates on the same movable block has the connecting rod, two the one end both sides of connecting rod all articulate there is the second connecting plate, four the one end of second connecting plate is connected with the fly leaf jointly, the one end of fly leaf is connected with the bracing piece, the one end that the bracing piece dorsad fly leaf runs through fixed case and is connected with the second fixed plate.

As a preferred technical scheme of the utility model, first fixed plate and second fixed plate are the U template, and first fixed plate and second fixed plate become the mirror image and distribute, through-type fixed orifices has all been opened at the both ends of first fixed plate and second fixed plate, and the internal surface of first fixed plate and second fixed plate all through fastening bolt and fixed orifices and bed die body fixed connection.

As a preferred technical scheme of the utility model, two the lower extreme of the pipe of moulding plastics all runs through the extrusion piece, and two lower extreme terminal surfaces of the pipe of moulding plastics and the lower extreme terminal surface looks parallel and level of extrusion piece.

As a preferred technical scheme of the utility model, the lower extreme of backup pad is connected with the antiskid ribbed tile, the length and the width of antiskid ribbed tile are the same with the length and the width of backup pad respectively.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a set up lifting and lowering reset device, under the effect of driving motor, dwang, first bevel gear, second bevel gear, threaded rod and shifting chute wherein, can make the movable block can drive the mould body and reciprocate for go up the mould body and can be quick after moulding plastics and reset, avoid influencing whole double-deck injection mold's next work.

2. The utility model discloses a set up fixing device, at the movable groove wherein, the pull rod, the movable block, the stock, expanding spring, under the effect of first connecting plate and second connecting plate, can make the connecting rod can drive the fly leaf and remove, thereby can make the backup pad drive the second fixed plate and remove, at first fixed plate, fixed orifices and fastening bolt's cooperation, make first fixed plate and second fixed plate can carry out stable fixed to the bed die body, and this kind of fixed mode also is convenient for remove the fixed to the bed die body, so as to change, whole double-deck injection mold's practicality has been improved.

Drawings

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

FIG. 2 is a schematic view of the lifting/lowering device of the present invention,

FIG. 3 is a sectional view of a part of the lifting and lowering device of the present invention,

FIG. 4 is a schematic view of the fixing device of the present invention,

fig. 5 is a sectional view of a part of the fixing device of the present invention.

In the figure: 1. a support plate; 2. a lifting reset device; 3. a fixing device; 4. a mold cavity; 5. extruding the block; 6. an upper die body; 7. injection molding a tube; 8. a first fixing plate; 9. a lower die body; 10. an anti-skid plate; 21. a drive box; 22. a moving groove; 23. a moving block; 24. a threaded rod; 25. a vertical rod; 26. a drive motor; 27. mounting a plate; 211. a drive chamber; 212. a second bevel gear; 213. a first bevel gear; 214. rotating the rod; 31. a fixed box; 32. a movable groove; 33. a pull rod; 34. a second fixing plate; 35. a fixing hole; 36. a support bar; 311. a long rod; 312. a first connecting plate; 313. a movable block; 314. a tension spring; 315. a movable plate; 316. a connecting rod; 317. a second connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The embodiment is as follows: as shown in fig. 1-5, the utility model provides a quick reset double-layer injection mold, which comprises a support plate 1, wherein the lower end of the support plate 1 is connected with an anti-skid plate 10, the length and width of the anti-skid plate 10 are respectively the same as the length and width of the support plate 1, the top end of the support plate 1 is connected with a lower mold body 9, the top end of the lower mold body 9 is provided with a mold cavity 4, the inner surface of one side of the support plate 1 is connected with a first fixing plate 8, one side of the top end of the support plate 1 is connected with a fixing device 3, the other side of the top end of the support plate 1 is connected with a lifting reset device 2, the lifting reset device 2 comprises a driving box 21, the lower end of the driving box 21 is fixedly connected with the support plate 1, the width of the driving box 21 is the same as the width of the support plate 1, one end of the driving box 21 is connected with a mounting plate 27, the top end of the mounting plate 27 is connected with a driving motor 26, the driving cavity 211 is arranged inside of the driving box 21, a rotating rod 214 is rotatably connected to the inner wall of one side of the driving cavity 211, the output end of the driving motor 26 extends into the driving cavity 211 and is fixedly connected with the rotating rod 214, two first bevel gears 213 are penetratingly connected to the outer surface of the rotating rod 214, second bevel gears 212 are respectively engaged and connected to the upper portions of the two first bevel gears 213, vertical rods 25 are respectively connected to both sides of the top end of the driving box 21, moving grooves 22 are respectively formed at one ends of the two vertical rods 25, threaded rods 24 are respectively rotatably connected to the upper inner walls of the two moving grooves 22, the lower ends of the two threaded rods 24 extend into the driving cavity 211 and are respectively fixedly connected with the two second bevel gears 212, moving blocks 23 are respectively sleeved on the outer surfaces of the two threaded rods 24, one ends of the two moving blocks 23 respectively penetrate through the two moving grooves 22 and are jointly connected with an upper die body 6, and the lower end of the upper die body 6 is connected with an extrusion block 5 matched with the die cavity 4, the size of the extrusion block 5 is smaller than that of the mold cavity 4, the top end of the upper mold body 6 is connected with two injection molding tubes 7, the lower ends of the two injection molding tubes 7 penetrate through the extrusion block 5, and the lower end faces of the two injection molding tubes 7 are flush with the lower end face of the extrusion block 5, when the injection molding device is used, the whole mold is placed at a designated working position through the anti-slip plate 10 at the lower end of the support plate 1, when injection molding is performed, molten materials are sequentially added into the mold cavity 4 through the two injection molding tubes 7, because the size of the extrusion block 5 is smaller than that of the mold cavity 4, a gap is formed between the extrusion block 5 and the inner wall of the mold cavity 4, when the molten materials enter the mold cavity 4, an outer layer is formed, then the molten materials are added, the inner layer can complete double-layer injection molding work, after injection molding, the driving motor 26 on the mounting plate 27 in the lifting and resetting device 2 can be started, the driving motor 26 drives the driving cavity rotating rod 214 in the driving box 211 to rotate, so that the two first bevel gears 213 start to rotate, when the first bevel gears 213 rotate, so that the threaded rod 24 in the two vertical rods 25 starts to rotate, and then the threaded rod 24 can move in the second bevel gear groove 24, and then the moving block 24 can move up and down in the range of the moving block 24 to move quickly.

Further, the fixing device 3 includes a fixing box 31, the lower end of the fixing box 31 is fixedly connected with the supporting plate 1, one end of the fixing box 31 is opened with a movable groove 32, two pull rods 33 are inserted into the movable groove 32, a long rod 311 is connected between the inner walls of the two sides of the fixing box 31, the outer surface of the long rod 311 is sleeved with two expansion springs 314 and two movable blocks 313, and the back-to-face ends of the two movable blocks 313 are respectively fixedly connected with the two expansion springs 314, one end of the two pull rods 33 is respectively fixedly connected with the two movable blocks 313, one end of the two movable blocks 313 is connected with two first connecting plates 312, and a connecting rod 316 is hinged between the two first connecting plates 312 on the same movable block 313, both sides of one end of the two connecting rods 316 are hinged with a second connecting plate 317, one end of the four second connecting plates 317 is commonly connected with a movable plate 315, one end of the movable plate 315 is connected with a supporting rod 36, one end of the supporting rod 36, which is back to the movable plate 315, penetrates through the fixing box 31 and is connected with a second fixing plate 34, the first fixing plate 8 and the second fixing plate 34, and the second fixing plate 34 are both fixed plate 35, and the first fixing plate 35 are capable of pushing the two movable blocks 33 in reverse direction in the fixing plate 32 and the fixing plate 9, thereby the fixing plate 9, the fixing plate 3, the two fixing plate 35 are capable of pushing the fixing plate 34, and the fixing plate 9, the connecting rod 316 will produce the change of inclination angle, so that the movable plate 315 starts to drive the supporting rod 36 to move towards the direction of the long rod 311, thereby increasing the distance between the second fixing plate 34 and the first fixing plate 8, and then the lower mold body 9 is placed between the first fixing plate 8 and the second fixing plate 34 and the inner surface of the first fixing plate 8 is attached to the outer surface of the lower mold body 9, at this time, the pull rod 33 is loosened, under the action of the elastic force of the expansion spring 314, the second fixing plate 34 can move towards the lower mold body 9 until the inner surface of the second fixing plate 34 is also attached to the outer surface of the lower mold body 9, and then the first fixing plate 8 and the second fixing plate 34 can be stably fixed to the lower mold body 9 by the fastening bolt and the fixing hole 35, and the lower mold body 9 can be conveniently replaced by using the fixing mode.

The working principle is as follows: when the injection molding machine is used, firstly, the whole mold is placed at a designated working position through the antiskid plate 10 at the lower end of the support plate 1, when injection molding is carried out, molten materials are sequentially added into the mold cavity 4 through the two injection molding pipes 7, because the size of the extrusion block 5 is smaller than that of the mold cavity 4, a gap is formed between the extrusion block 5 and the inner wall of the mold cavity 4, when the molten materials enter the mold cavity 4, an outer layer is formed, then the molten materials are added, so that the inner layer is formed, and double-layer injection molding can be completed, after the injection molding is finished, the driving motor 26 on the mounting plate 27 in the lifting and resetting device 2 can be started, so that the driving motor 26 drives the rotating rod 214 in the driving cavity 211 in the driving box 21 to rotate, so that the two first bevel gears 213 begin to rotate, when the first bevel gears 213 rotate, the threaded rods 24 in the two vertical rods 25 begin to rotate, and after the threaded rods 24 begin to rotate, the moving block 23 will move up and down along the threaded rod 24 within the range of the moving groove 22, so as to enable the upper mold body 6 to be reset quickly, when the lower mold body 9 is fixed, the two pull rods 33 in the fixing device 3 can be pushed reversely first, so that the two pull rods 33 can move reversely in the moving groove 32, so as to drive the two moving blocks 313 to move reversely along the long rod 311 and extrude the two expansion springs 314 respectively, at this time, under the action of the first connecting plate 312 and the second connecting plate 317, the connecting rod 316 will generate the change of the inclination angle, so that the moving plate 315 starts to drive the supporting rod 36 to move towards the direction of the long rod 311 along with the moving block, so as to increase the distance between the second fixing plate 34 and the first fixing plate 8, and then the lower mold body 9 is placed between the first fixing plate 8 and the second fixing plate 34, and the inner surface of the first fixing plate 8 and the lower mold body are enabled to be reset The surface of the body 9 is laminated mutually, at this moment, loosen the pull rod 33, under the effect of expanding spring 314 resilience, the second fixed plate 34 just can remove towards the bed die body 9, also laminate mutually with the surface of bed die body 9 until the internal surface of second fixed plate 34, rethread fastening bolt and fixed orifices 35 can make first fixed plate 8 and second fixed plate 34 carry out stable fixed to bed die body 9, and also be convenient for change bed die body 9 through using this kind of fixed mode.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick double-deck injection mold who resets, includes backup pad (1), its characterized in that: the top end of the supporting plate (1) is connected with a lower die body (9), the top end of the lower die body (9) is provided with a die cavity (4), the inner surface of one side of the supporting plate (1) is connected with a first fixing plate (8), one side of the top end of the supporting plate (1) is connected with a fixing device (3), and the other side of the top end of the supporting plate (1) is connected with a lifting reset device (2);

the lifting reset device (2) comprises a driving box (21), one end of the driving box (21) is connected with a mounting plate (27), the top end of the mounting plate (27) is connected with a driving motor (26), a driving cavity (211) is formed in the driving box (21), a rotating rod (214) is rotatably connected to the inner wall of one side of the driving cavity (211), the output end of the driving motor (26) extends into the driving cavity (211) and is fixedly connected with the rotating rod (214), two first bevel gears (213) are penetratingly connected to the outer surface of the rotating rod (214), two second bevel gears (212) are respectively meshed and connected to the upper portions of the two first bevel gears (213), vertical rods (25) are respectively connected to two sides of the top end of the driving box (21), moving grooves (22) are respectively formed in one end of the two vertical rods (25), threaded rods (24) are rotatably connected to the upper inner walls of the two moving grooves (22), the lower ends of the two moving rods (24) extend into the driving cavity (211) and are respectively fixedly connected with the two second bevel gears (212), and threaded rods (23) are respectively sleeved on the outer surfaces of the two threaded rods (24);

one end of each of the two moving blocks (23) penetrates through the two moving grooves (22) respectively and is connected with an upper die body (6) together, the lower end of the upper die body (6) is connected with an extrusion block (5) matched with the die cavity (4) for use, and the top end of the upper die body (6) is connected with two injection molding pipes (7).

2. The quick-return double-layer injection mold according to claim 1, characterized in that: the lower end of the driving box (21) is fixedly connected with the supporting plate (1), and the width of the driving box (21) is the same as that of the supporting plate (1).

3. The quick-reset double-layer injection mold according to claim 1, characterized in that: fixing device (3) are including fixed case (31), the lower extreme and backup pad (1) fixed connection of fixed case (31), movable groove (32) have been opened to the one end of fixed case (31), it is equipped with two pull rods (33) to alternate in movable groove (32), be connected with stock (311) between the both sides inner wall of fixed case (31), two expanding spring (314) and two movable block (313) have been cup jointed to the surface of stock (311), and the back of the body to the face one end of two movable block (313) respectively with two expanding spring (314) fixed connection, two the one end of pull rod (33) respectively with two movable block (313) fixed connection, two the one end of movable block (313) all is connected with two first connecting plate (312), and all articulates between two first connecting plate (312) on same movable block (313) has connecting rod (316), two the one end both sides of connecting rod (316) all articulate there is second connecting plate (317), four the one end of second connecting plate (317) is connected with jointly, the one end of movable block (313) is connected with bracing piece (36) the one end of bracing piece (36) and the fixed plate (31) is run through the fixed plate (31).

4. The quick-reset double-layer injection mold according to claim 3, characterized in that: first fixed plate (8) and second fixed plate (34) are the U template, and first fixed plate (8) and second fixed plate (34) become the mirror image and distribute, the both ends of first fixed plate (8) and second fixed plate (34) all open through-type fixed orifices (35), and the internal surface of first fixed plate (8) and second fixed plate (34) all through fastening bolt and fixed orifices (35) and bed die body (9) fixed connection.

5. The quick-reset double-layer injection mold according to claim 1, characterized in that: the lower ends of the two injection molding pipes (7) penetrate through the extrusion block (5), and the lower end faces of the two injection molding pipes (7) are flush with the lower end face of the extrusion block (5).

6. The quick-reset double-layer injection mold according to claim 1, characterized in that: the lower end of the supporting plate (1) is connected with an anti-skid plate (10), and the length and the width of the anti-skid plate (10) are respectively the same as those of the supporting plate (1).