CN211492700U

CN211492700U - Injection mold draws and colludes structure

Info

Publication number: CN211492700U
Application number: CN201922481652.2U
Authority: CN
Inventors: 陈君铭; 何优龙; 邓城; 邓仲鑫
Original assignee: Huizhou Huifeng Mould Co ltd
Current assignee: Huizhou Huifeng Mould Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an injection mould draws and colludes structure, comprising a base plate, a supporting plate, go up mould and lower mould, one side vertical fixation has the backup pad on the bottom plate, one side of backup pad is provided with the mould, the bottom of going up the mould is provided with the lower mould, it is fixed with the clamp plate to go up the mould bottom and be close to intermediate position department, it leaves the mouth of pouring to go up the mould and be close to central position department, it has the passageway to pour a mouthful bottom intercommunication, the other end of passageway accesss to the clamp plate, it has the die cavity to be close to intermediate position department on the lower mould, the die cavity bottom is close to central position department intercommunication and has logical groove, it is provided with the kicking block to lead to the inslot, the bottom of kicking block is connected with the bracing piece, the other end of bracing piece accesss to. Has the advantages that: the utility model discloses simple structure, convenient operation only needs to rotate the turning handle and can realize going up mould and lower mould and break away from, and is simple high-efficient.

Description

Injection mold draws and colludes structure

Technical Field

The utility model relates to an injection mold field particularly, relates to an injection mold draws and colludes structure.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. In the production process of the injection mold, in order to realize sequential mold opening, a pull hook structure is often required to be arranged between the mold plates.

The existing injection mold is complex in pulling hook structure, unstable in force during mold closing, poor in injection effect, and difficult to eject finished products during mold opening, so that the labor capacity of workers is increased.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mould draws and colludes structure 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: a pull hook structure of an injection mold comprises a bottom plate, a supporting plate, an upper mold and a lower mold, wherein the supporting plate is vertically fixed on one side of the bottom plate, the upper mold is arranged on one side of the supporting plate, the lower mold is arranged at the bottom of the upper mold, a pressing plate is fixed at the position, close to the middle position, of the bottom of the upper mold, a pouring opening is reserved at the position, close to the center position, of the upper mold, a channel is communicated with the bottom of the pouring opening, the other end of the channel is communicated with the pressing plate, a mold cavity is reserved at the position, close to the middle position, of the lower mold, the shape and the size of the mold cavity are matched with those of the pressing plate, positioning holes are reserved on two sides of the bottom of the upper mold, positioning pins matched with the shape and the size of the positioning holes are arranged on two, the bottom of kicking block is connected with the bracing piece, the other end of bracing piece accesss to outside leading to the groove, the other end of bracing piece is fixed on the bottom plate, the shape size that leads to the groove with kicking block and bracing piece looks adaptation, the one end of going up mould and lower mould is provided with the turning handle, the bottom of turning handle is connected with first lead screw, the other end of first lead screw is connected with the head rod.

Furthermore, the other end of the first connecting rod is connected with a second lead screw, and the other end of the second lead screw is movably connected with the bottom plate through a bearing seat.

Furthermore, a first threaded pipe is connected to the first screw rod through threads, and a second threaded pipe is connected to the second screw rod through threads.

Furthermore, one end of the first threaded pipe is fixed on the upper die, and one end of the second threaded pipe is fixed on the lower die.

Furthermore, two sliding rods are fixed on one side of the supporting plate, and the two sliding rods are U-shaped in appearance.

Furthermore, one side of the upper die and one side of the lower die are both connected with two second connecting rods, and the other ends of the second connecting rods are connected with the sliding rods in a sliding mode through sliding sleeves.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses simple structure, convenient operation only needs to rotate the turning handle and can realize going up mould and lower mould and break away from, and at the in-process of lower mould downstream simultaneously, the effect of kicking block and bracing piece is ejecting with the finished product in the die cavity fast, has saved the labour.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a hook structure of an injection mold according to an embodiment of the present invention;

fig. 2 is a plane sectional view of an injection mold draw hook structure according to an embodiment of the present invention.

Reference numerals:

1. a base plate; 2. a support plate; 3. an upper die; 4. a lower die; 5. pouring a mouth; 6. a channel; 7. pressing a plate; 8. positioning holes; 9. positioning pins; 10. a mold cavity; 11. a through groove; 12. a top block; 13. a support bar; 14. a handle is rotated; 15. a first lead screw; 16. a first connecting rod; 17. a second lead screw; 18. a bearing seat; 19. a first threaded pipe; 20. a second threaded pipe; 21. a second connecting rod; 22. a slide bar; 23. and (4) a sliding sleeve.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-2, an injection mold draw hook structure according to an embodiment of the present invention includes a bottom plate 1, a supporting plate 2, an upper mold 3 and a lower mold 4, the supporting plate 2 is vertically fixed on one side of the bottom plate 1, the upper mold 3 is arranged on one side of the supporting plate 2, the lower mold 4 is arranged on the bottom of the upper mold 3, a pressing plate 7 is fixed on the bottom of the upper mold 3 near the middle position, and the pressing plate 7 plays a role in extruding and sealing; a pouring opening 5 is reserved at a position, close to the center, of the upper die 3, a channel 6 is communicated with the bottom of the pouring opening 5, the other end of the channel 6 is communicated with the pressing plate 7, a die cavity 10 is reserved at a position, close to the middle, of the lower die 4, the shape and the size of the die cavity 10 are matched with those of the pressing plate 7, positioning holes 8 are reserved on two sides of the bottom of the upper die 3, positioning pins 9 matched with the shape and the size of the positioning holes 8 are arranged on two sides of the bottom of the lower die 4, the top end of each positioning pin 9 is arranged in the corresponding positioning hole 8, a through groove 11 is communicated with the position, close to the center, of the bottom of the die cavity 10, a top block 12 is arranged in the through groove 11, a support rod 13 is connected to the bottom of the top block 12, the other end of the support rod 13 is communicated with the outside of, and one ends of the upper die 3 and the lower die 4 are provided with rotating handles 14, the bottom of each rotating handle 14 is connected with a first screw rod 15, and the other end of each first screw rod 15 is connected with a first connecting rod 16.

Through the above technical scheme of the utility model, the other end of the first connecting rod 16 is connected with the second lead screw 17, the other end of the second lead screw 17 through the bearing frame 18 that sets up with bottom plate 1 swing joint, there is the first screwed pipe 19 through threaded connection on the first lead screw 15, there is the second screwed pipe 20 through threaded connection on the second lead screw 17, one end of the first screwed pipe 19 is fixed on the upper die 3, one end of the second screwed pipe 20 is fixed on the lower die 4, the second lead screw 17 adopts the positive screw, the first lead screw 15 adopts the screw thread opposite to the second lead screw 17, can realize the upper die 3 and the lower die 4 move towards each other or opposite when rotating the rotating handle 14; one side is fixed with two slide bars 22, two on the backup pad 2 slide bar 22's appearance is "U" type, it all is connected with two second connecting rods 21 to go up one side of mould 3 and lower mould 4, the other end of second connecting rod 21 is through sliding sleeve 23 and the slide bar 22 sliding connection who sets up, and the effect of the second connecting rod 21, slide bar 22 and the sliding sleeve 23 that set up is convenient for go up reciprocating of mould 3 and lower mould 4.

In specific application, the positioning pin 9 is aligned with the positioning hole 8 and is placed in the positioning hole 8, while injecting molding raw materials from the pouring opening 5, the raw materials flow into the mold cavity 10 from the channel 6, the rotating handle 14 is rotated, the rotating handle 14 rotates to drive the first screw rod 15, the first connecting rod 16 and the second screw rod 17 to synchronously rotate, as one end of the upper mold 3 and one end of the lower mold 4 are in sliding connection with the sliding rod 22 through the second connecting rod 21 and the sliding sleeve 23, and the threads of the first screw rod 15 and the second screw rod 17 are opposite, namely the upper mold 3 moves downwards, the lower mold 4 moves upwards, the sliding sleeve 23 slides on the sliding rod 22, the mold closing of the upper mold 3 and the lower mold 4 is realized, after the injection molding is completed, the rotating handle 14 is reversely rotated, namely the upper mold 3 moves upwards, the lower mold 4 moves downwards, the upper mold 3 and the lower mold 4 are separated, and simultaneously, during the downward movement of the lower mold 4, the, the labor is saved.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 drawing hook structure of the injection mold is characterized by comprising a bottom plate (1), a supporting plate (2), an upper mold (3) and a lower mold (4), wherein the supporting plate (2) is vertically fixed on one side of the bottom plate (1), the upper mold (3) is arranged on one side of the supporting plate (2), the lower mold (4) is arranged at the bottom of the upper mold (3), a pressing plate (7) is fixed at the position, close to the middle position, of the bottom of the upper mold (3), a pouring opening (5) is reserved at the position, close to the center position, of the upper mold (3), a channel (6) is communicated with the bottom of the pouring opening (5), the other end of the channel (6) is communicated with the pressing plate (7), a mold cavity (10) is reserved at the position, close to the middle position, of the lower mold cavity (4), the shape and the size of the mold cavity (10) are matched with the pressing plate, positioning pins (9) matched with the positioning holes (8) in shape and size are arranged on two sides of the bottom of the lower die (4), the top end of the positioning pin (9) is arranged in the positioning hole (8), a through groove (11) is communicated with the bottom of the die cavity (10) close to the central position, a top block (12) is arranged in the through groove (11), the bottom of the top block (12) is connected with a support rod (13), the other end of the supporting rod (13) is led out of the through groove (11), the other end of the supporting rod (13) is fixed on the bottom plate (1), the shape and the size of the through groove (11) are matched with the top block (12) and the supporting rod (13), one end of the upper die (3) and one end of the lower die (4) are provided with a rotating handle (14), the bottom of the rotating handle (14) is connected with a first screw rod (15), and the other end of the first screw rod (15) is connected with a first connecting rod (16).

2. The pull hook structure of the injection mold according to claim 1, characterized in that the other end of the first connecting rod (16) is connected with a second lead screw (17), and the other end of the second lead screw (17) is movably connected with the bottom plate (1) through a bearing seat (18).

3. The draw hook structure of an injection mold according to claim 1, characterized in that a first threaded pipe (19) is connected to the first screw (15) by a thread, and a second threaded pipe (20) is connected to the second screw (17) by a thread.

4. A draw hook structure for injection molds according to claim 3, characterized in that one end of the first threaded pipe (19) is fixed to the upper mold (3) and one end of the second threaded pipe (20) is fixed to the lower mold (4).

5. The draw-hook structure of injection mould according to claim 1, characterized in that two slide bars (22) are fixed on one side of the supporting plate (2), and the two slide bars (22) are U-shaped in shape.

6. The pull hook structure of the injection mold according to claim 1, wherein one side of the upper mold (3) and one side of the lower mold (4) are both connected with two second connecting rods (21), and the other ends of the second connecting rods (21) are slidably connected with the sliding rods (22) through sliding sleeves (23).