CN217346556U

CN217346556U - Novel injection mold with locking structure

Info

Publication number: CN217346556U
Application number: CN202220156465.6U
Authority: CN
Inventors: 靳晓云
Original assignee: Guizhou Chuang Precision Machinery Manufacturing Co ltd
Current assignee: Guizhou Chuang Precision Machinery Manufacturing Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-09-02
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of injection molds, and discloses a novel injection mold with a locking structure, which comprises a mounting frame, wherein a first electric telescopic rod is fixedly connected in the mounting frame, the moving end of the first electric telescopic rod is fixedly connected with an upper mold, the bottom of the upper mold is fixedly connected with two fixed plates, the top of the upper mold is provided with a feed inlet, the bottom of the fixed plate is fixedly connected with a first fixed block, a lower mold fixedly connected with the mounting frame is arranged below the upper mold, the novel injection mold with the locking structure is matched through a transmission mechanism in the process of driving the upper mold and the lower mold to carry out mold closing through the first electric telescopic rod, thereby realizing the locking of the upper mold and the lower mold, preventing the upper mold and the lower mold from shifting due to excessive injection pressure in the injection molding process, and improving the quality of injection molding parts, and the injection molding yield is also improved.

Description

Novel injection mold with locking structure

Technical Field

The utility model relates to an injection mold technical field specifically is a novel injection mold with locking structure.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

When using, the existing injection mold needs to be firstly closed, then injected with high-temperature plastic and then cooled, then opened, and then unloaded by the unloading mechanism, and fine position deviation can occur between the upper mold and the lower mold due to the strong injection pressure of molten plastic.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a novel injection mold with locking structure has possessed and can lock and the unblock to last mould and bed die automation, has improved advantages such as quality of injection molding, has solved present injection mold and can't carry out automatic locking, goes up the mould and takes place the problem of skew easily with the lower mould at the in-process of moulding plastics.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: a novel injection mold with a locking structure comprises a mounting frame, wherein a first electric telescopic rod is fixedly connected in the mounting frame, an upper mold is fixedly connected at the moving end of the first electric telescopic rod, two fixed plates are fixedly connected at the bottom of the upper mold, a feed inlet is formed in the top of the upper mold, a first fixed block is fixedly connected at the bottom of each fixed plate, a lower mold fixedly connected with the mounting frame is arranged below the upper mold, a functional groove in sliding connection with each fixed plate is formed in the lower mold, a second electric telescopic rod is fixedly connected in the functional groove, a transmission plate is fixedly connected at the moving end of the second electric telescopic rod, two first transmission rods hinged with each other are rotatably connected at the upper side of the transmission plate, a first spring is fixedly connected between the two first transmission rods, and a transmission block is rotatably connected at one end of the two first transmission rods, one side fixedly connected with and function groove sliding connection of transmission piece has the second fixed block, the surface sliding connection of first fixed block and second fixed block, one side fixedly connected with and function groove fixed connection's of second fixed block telescopic link, the surface mounting of telescopic link has cup jointed the second spring with function groove fixed connection, the demoulding mechanism that the upside fixedly connected with of driving plate is connected with the bed die, the top fixedly connected with cooling body of last mould.

Preferably, the demolding mechanism comprises a second transmission rod fixedly connected with the transmission plate, and one end of the second transmission rod is fixedly connected with a first push plate in sliding connection with the functional groove.

Preferably, cooling body include with last mould fixed connection's cooler bin, fixedly connected with third electric telescopic handle in the cooler bin, third electric telescopic handle's removal end fixedly connected with and cooler bin sliding connection's second push pedal, the below of second push pedal is provided with the refrigeration board with cooler bin fixed connection, upward be provided with the cooling bath on the mould, fixedly connected with and cooler bin fixed connection's water pipe in the cooling bath, the coolant liquid is equipped with in the cooler bin.

Preferably, one side of the cooling box is fixedly connected with a water injection pipe, and a control valve is arranged on the water injection pipe.

Preferably, one side of the cooling box is fixedly connected with a heat conduction block, and one side of the heat conduction block is fixedly connected with a cooling fin.

Preferably, one side fixedly connected with control panel of mounting bracket, the bottom fixedly connected with universal wheel of mounting bracket.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel injection mold with locking structure possesses following beneficial effect:

1. this novel injection mold with locking structure drives the mould through first electric telescopic handle and carries out the compound die in-process with the bed die, carries out cooperation work through drive mechanism to realized last mould and bed die locking, prevented that injection pressure liquid is too much to cause to go up mould and lower mould and take place the skew in the in-process of moulding plastics, improved the quality of the part of moulding plastics, also improved the yield of moulding plastics simultaneously.

2. This novel injection mold with locking structure through cooling body's cooperation to realized the quick cooling when injection mold shaping, reduced fashioned cooling time, improved the production efficiency of injection molding.

Drawings

Fig. 1 is a first front view of the internal structure of the present invention.

Fig. 2 is a second front view of the internal structure of the present invention.

Fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: 1. a mounting frame; 2. a first electric telescopic rod; 3. an upper die; 4. a fixing plate; 5. a feed inlet; 6. a first fixed block; 7. a lower die; 8. a functional groove; 9. a second electric telescopic rod; 10. a drive plate; 11. a first drive lever; 12. a first spring; 13. a transmission block; 14. a second fixed block; 15. a telescopic rod; 16. a second spring; 17. a second transmission rod; 18. a first push plate; 19. a cooling tank; 20. a third electric telescopic rod; 21. a second push plate; 22. a refrigeration plate; 23. a cooling tank; 24. a water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, a novel injection mold with a locking structure comprises a mounting frame 1, a first electric telescopic rod 2 is fixedly connected in the mounting frame 1, an upper mold 3 is fixedly connected to a moving end of the first electric telescopic rod 2, two fixing plates 4 are fixedly connected to the bottom of the upper mold 3, a feed inlet 5 is formed in the top of the upper mold 3, a first fixing block 6 is fixedly connected to the bottom of the fixing plate 4, a lower mold 7 fixedly connected to the mounting frame 1 is arranged below the upper mold 3, a functional groove 8 slidably connected to the fixing plates 4 is formed in the lower mold 7, a second electric telescopic rod 9 is fixedly connected in the functional groove 8, a driving plate 10 is fixedly connected to a moving end of the second electric telescopic rod 9, two first driving rods 11 hinged to each other are rotatably connected to the upper side of the driving plate 10, a first spring 12 is fixedly connected between the two first driving rods 11, one end of each of the two first transmission rods 11 is rotatably connected with a transmission block 13, one side of each of the transmission blocks 13 is fixedly connected with a second fixed block 14 which is slidably connected with the functional groove 8, the outer surfaces of the first fixed blocks 6 and the second fixed blocks 14 are slidably connected, one side of each of the second fixed blocks 14 is fixedly connected with a telescopic rod 15 which is fixedly connected with the functional groove 8, the outer surface of each telescopic rod 15 is fixedly sleeved with a second spring 16 which is fixedly connected with the functional groove 8, the upper side of each transmission plate 10 is fixedly connected with a demoulding mechanism which is connected with the lower die 7, the top of the upper die 3 is fixedly connected with a cooling mechanism, the upper die 3 is driven by the first electric telescopic rod 2 to move downwards, the upper die 3 is superposed with the lower die 7, the fixing plate 4 on the upper die 3 is inserted into the functional groove 8 along with the hand, then the first fixed block 6 on the fixing plate 4 begins to extrude the second fixed blocks 14, and the second fixed blocks 14 move, the telescopic rod 15 and the second spring 16 are compressed under stress, when the first fixed block 6 moves over the second fixed block 14, the first fixed block 6 does not extrude the second fixed block 14, the second fixed block 14 returns to the initial position under the action of the stretching force of the second spring 16, and the first fixed block 6 is limited and locked, so that the self-locking of the upper die 3 and the lower die 7 is realized, then the material injection molding is carried out through the feed inlet 5, after the molding, the driving plate 10 is driven to move upwards through the second electric telescopic rod 9, the driving plate 10 moves upwards to drive the two first driving rods 11 to rotate, the first driving rods 11 drive the driving blocks 13 and the second fixed block 14 to move, the first spring 12 is stretched under stress, so that the second fixed block 14 does not fix the first fixed block 6, the unlocking is realized, then the upper die 3 is driven to move upwards through the first electric telescopic rod 2, and the demoulding mechanism starts to work, realize the drawing of patterns to realized the locking of mould, prevented that the injection pressure liquid in the process of moulding plastics from too much causing and going up mould and lower mould and take place the skew, improved the quality of the part of moulding plastics.

The demolding mechanism comprises a second transmission rod 17 fixedly connected with a transmission plate 10, one end of the second transmission rod 17 is fixedly connected with a first push plate 18 in sliding connection with the functional groove 8, the transmission plate 10 is driven to move upwards through a second electric telescopic rod 9, the transmission plate 10 drives the second transmission rod 17 and the first push plate 18 to move upwards, and the first push plate 18 separates an injection molding piece on the lower mold 7.

The cooling mechanism comprises a cooling box 19 fixedly connected with an upper die 3, a third electric telescopic rod 20 is fixedly connected in the cooling box 19, a moving end of the third electric telescopic rod 20 is fixedly connected with a second push plate 21 which is in sliding connection with the cooling box 19, a refrigerating plate 22 which is fixedly connected with the cooling box 19 is arranged below the second push plate 21, a cooling groove 23 is arranged on the upper die 3, a water pipe 24 which is fixedly connected with the cooling box 19 is fixedly connected in the cooling groove 23, cooling liquid is filled in the cooling box 19, the second push plate 21 is driven to move downwards by the third electric telescopic rod 20, the cooling liquid in the cooling box 19 is injected into the cooling groove 23 by the second push plate 21 through the water pipe 24 to cool the injection-molded die, after injection molding is finished, the third electric telescopic rod 20 drives the second push plate 21 to move upwards, the cooling liquid in the cooling groove 23 is pumped into the cooling box 19 by the second push plate 21 through the water pipe 24, the refrigerating plate 22 is used for refrigerating and cooling the cooling liquid, so that the injection mold can be rapidly and automatically cooled.

One side of the cooling tank 19 is fixedly connected with a water injection pipe, a control valve is arranged on the water injection pipe, and cooling liquid is injected into the cooling tank 19 through the water injection pipe.

One side of the cooling box 19 is fixedly connected with a heat conduction block, and one side of the heat conduction is fixedly connected with a cooling fin, so that the cooling liquid is cooled by the heat conduction block pair and the cooling fin.

One side fixedly connected with control panel of mounting bracket 1, the bottom fixedly connected with universal wheel of mounting bracket 1.

The working principle is as follows: firstly, the upper die 3 is driven to move downwards by the first electric telescopic rod 2, the upper die 3 is superposed with the lower die 7, the fixing plate 4 on the upper die 3 is inserted into the functional groove 8, then the first fixing block 6 on the fixing plate 4 begins to extrude the second fixing block 14, the second fixing block 14 moves, the telescopic rod 15 and the second spring 16 are compressed under the stress, when the first fixing block 6 moves over the second fixing block 14, the first fixing block 6 does not extrude the second fixing block 14, the second fixing block 14 is restored to the initial position under the action of the stretching force of the second spring 16, the first fixing block 6 is limited and locked, thereby realizing the self-locking of the upper die 3 and the lower die 7, then the injection molding is carried out through the feed inlet 5, after the molding, the transmission plate 10 is driven to move upwards by the second electric telescopic rod 9, the transmission plate 10 moves upwards to drive the two first transmission rods 11 to rotate, the first transmission rod 11 drives the transmission block 13 and the second fixing block 14 to move, the first spring 12 is stressed and stretched, the second fixing block 14 is not fixed on the first fixing block 6, unlocking is achieved, then the upper die 3 is driven to move upwards through the first electric telescopic rod 2, meanwhile, the demolding mechanism starts to work, demolding is achieved, locking of the die is achieved, deviation between the upper die and the lower die due to excessive injection pressure in the injection molding process is prevented, quality of injection molding parts is improved, the second push plate 21 is driven to move downwards through the third electric telescopic rod 20, the second push plate 21 injects cooling liquid in the cooling tank 19 into the cooling tank 23 through the water pipe 24 to cool the injection molding die, after injection molding is completed, the third electric telescopic rod 20 drives the second push plate 21 to move upwards, the second push plate 21 pumps the cooling liquid in the cooling tank 23 into the cooling tank 19 through the water pipe 24, the refrigerating plate 22 is used for refrigerating and cooling the cooling liquid, so that the injection mold can be rapidly and automatically cooled.

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 novel injection mold with locking structure, includes mounting bracket (1), its characterized in that: the inner side of the mounting frame (1) is fixedly connected with a first electric telescopic rod (2), the moving end of the first electric telescopic rod (2) is fixedly connected with an upper die (3), the bottom of the upper die (3) is fixedly connected with two fixed plates (4), the top of the upper die (3) is provided with a feed inlet (5), the bottom of the fixed plates (4) is fixedly connected with a first fixed block (6), the lower die (7) fixedly connected with the mounting frame (1) is arranged below the upper die (3), the lower die (7) is provided with a functional groove (8) in sliding connection with the fixed plates (4), a second electric telescopic rod (9) is fixedly connected in the functional groove (8), the moving end of the second electric telescopic rod (9) is fixedly connected with a transmission plate (10), the upper side of the transmission plate (10) is rotatably connected with two first transmission rods (11) which are hinged with each other, two first spring (12) of fixedly connected with between first transfer lever (11), two the one end of first transfer lever (11) is all rotated and is connected with transmission piece (13), one side fixedly connected with and function groove (8) sliding connection of transmission piece (13) have second fixed block (14), the outer surface sliding connection of first fixed block (6) and second fixed block (14), one side fixedly connected with and function groove (8) fixed connection's telescopic link (15) of second fixed block (14), the outer fixed surface of telescopic link (15) cup joints second spring (16) with function groove (8) fixed connection, the demoulding mechanism that the upside fixedly connected with of transmission board (10) is connected with bed die (7), the top fixedly connected with cooling body of last mould (3).

2. The novel injection mold with the locking structure as claimed in claim 1, wherein: the demolding mechanism comprises a second transmission rod (17) fixedly connected with the transmission plate (10), and one end of the second transmission rod (17) is fixedly connected with a first push plate (18) in sliding connection with the functional groove (8).

3. The novel injection mold with the locking structure as claimed in claim 1, wherein: cooling body includes cooler bin (19) with last mould (3) fixed connection, fixedly connected with third electric telescopic handle (20) in cooler bin (19), the removal end fixedly connected with of third electric telescopic handle (20) and cooler bin (19) sliding connection's second push pedal (21), the below of second push pedal (21) is provided with refrigeration board (22) with cooler bin (19) fixed connection, be provided with cooling bath (23) on going up mould (3), fixedly connected with and cooler bin fixed connection's water pipe (24) in cooling bath (23), the coolant liquid is equipped with in cooler bin (19).

4. The novel injection mold with locking structure of claim 3, wherein: and a water injection pipe is fixedly connected to one side of the cooling tank (19), and a control valve is arranged on the water injection pipe.

5. The novel injection mold with the locking structure as claimed in claim 3, wherein: one side of the cooling box (19) is fixedly connected with a heat conducting block, and one side of the heat conducting block is fixedly connected with a radiating fin.

6. The novel injection mold with the locking structure as claimed in claim 1, wherein: one side fixedly connected with control panel of mounting bracket (1), the bottom fixedly connected with universal wheel of mounting bracket (1).