CN108527776B

CN108527776B - Injection molding die

Info

Publication number: CN108527776B
Application number: CN201810431418.6A
Authority: CN
Inventors: 齐希
Original assignee: Kunshan Changying Precision Technology Co ltd
Current assignee: Kunshan Changying Precision Technology Co ltd
Priority date: 2018-05-08
Filing date: 2018-05-08
Publication date: 2021-03-19
Anticipated expiration: 2038-05-08
Also published as: CN108527776A

Abstract

The utility model provides an injection moulding mould draw material mechanism includes the pressure feed block, hold up the material subassembly, a mounting bracket, first elastic component, drive arrangement, draw the material piece and draw the flitch, the one end and the master model fixed plate fixed connection of pressure feed block, the other end of pressure feed block with hold up material subassembly fixed connection, mounting bracket and public mould fixed plate fixed connection, it locates on the mounting bracket to hold up the material subassembly through the bolt, first elastic component is located and is held up between material subassembly and the mounting bracket, it can move about from top to bottom for the mounting bracket to hold up the material subassembly, drive arrangement installs on the mounting bracket, drive arrangement's drive end and the one end fixed connection who draws the material piece, draw the other end of material piece to locate to draw the flitch, and draw the flitch to locate the master model fixed plate and hold up. The mold closing and driving device of the injection molding mold are operated simultaneously, the mold opening, the product pulling operation and the driving device material pulling operation are performed simultaneously, the period of the whole molding process can be about 4 seconds, and the production efficiency is greatly improved.

Description

Injection molding die

Technical Field

The invention relates to the technical field of molds, in particular to an injection molding mold.

Background

The traditional automatic material pulling mold forming action comprises the following steps of injecting glue after mold closing, then opening the mold, ejecting a machine table, clamping a material head by a manipulator while pulling materials by a cylinder, ejecting and returning the machine table, and returning the cylinder after mold closing.

The traditional automatic material pulling mold needs 10 s-11 s in the molding period, and the production efficiency is low.

Disclosure of Invention

In view of this, it is desirable to provide an injection mold with high production efficiency.

An injection molding mold comprises a female mold fixing plate, a male mold fixing plate and a material pulling mechanism arranged between the female mold fixing plate and the male mold fixing plate;

the material pulling mechanism comprises a material pressing block, a material holding component, a mounting rack, a first elastic piece, a driving device, a material pulling block and a material pulling plate, one end of the material pressing block is fixedly connected with the female die fixing plate, the other end of the material pressing block is fixedly connected with the material supporting component, the mounting frame is fixedly connected with the male die fixing plate, the material supporting component is arranged on the mounting frame through a bolt, the first elastic piece is arranged between the material holding component and the mounting rack, the material holding component can move up and down relative to the mounting rack, the driving device is arranged on the mounting frame, the driving end of the driving device is fixedly connected with one end of the material pulling block, the material pulling plate is arranged at the other end of the material pulling block, and the pulling plate is arranged between the female die fixing plate and the material supporting assembly, and a pulling needle is arranged on the pulling plate.

In one embodiment, the material holding assembly comprises a first material holding plate and a second material holding plate, the first material holding plate and one end of the material pressing block, which is far away from the female die fixing plate, are fixedly connected, the second material holding plate is fixedly connected with the first material holding plate, and the elastic member is arranged between the second material holding plate and the mounting frame.

In one embodiment, the material pulling mechanism further comprises a first limiting block and a second limiting block, the first limiting block and the second limiting block are respectively arranged at two opposite ends inside the mounting frame, and the first limiting block and the second limiting block are used for limiting the moving range of the driving device.

In one embodiment, the driving means is a pneumatic cylinder.

In one embodiment, the first elastic member is a spring.

In one embodiment, the material pulling mechanism further comprises a fixing plate, the fixing plate is fixed on the male die fixing plate, and the mounting frame is fixedly arranged on the fixing plate.

In one embodiment, the combined type die further comprises a female die plate, a male die carrier plate and a male die pin which are sequentially stacked and arranged between the female die fixing plate and the male die fixing plate, wherein the female die plate is fixedly connected with the female die fixing plate, and the male die pin is fixedly connected with the male die fixing plate.

In one embodiment, a male die holding terminal assembly is further fixedly arranged on the male die plate and comprises a material clamping plate and a supporting plate, the material clamping plate is fixedly arranged on the male die plate, and a second elastic piece is arranged between the supporting plate and the male die plate.

In one embodiment, the second elastic member is a spring.

Above-mentioned injection moulding mould, terminal material area are located and are held up on the material subassembly, and during the compound die of public template and female template, the master model fixed plate pushes down through pressing the material piece, will hold up the promotion of material subassembly and remove to the mounting bracket. Meanwhile, the positioning hole on the terminal material belt can be separated from the pull pin. At the moment, the driving device drives the pulling block and the pulling plate to retreat. When the die sinking of public template and female template, first elastic component can will hold up the automatic bullet of expecting subassembly and mounting bracket and open, and the terminal material area rebound draws the locating hole that the material needle got into the terminal material area, and drive arrangement draws the material operation. The mold closing and the driving device retracting operation of the injection molding mold are simultaneously carried out, then the glue injection is carried out, and then the mold opening, the product pulling operation and the driving device material pulling operation are simultaneously carried out to form a cycle. The whole forming process reduces the actions of ejecting and clamping the material head, and the time of the whole process can be reduced by synchronously carrying out several actions. The cycle of the injection molding die can be about 4 seconds, and the production efficiency is greatly improved.

Drawings

Fig. 1 is a schematic structural view of an injection mold according to an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, an injection mold 100 according to an embodiment includes a female mold fixing plate 10, a male mold fixing plate 20, and a material pulling mechanism disposed between the female mold fixing plate 10 and the male mold fixing plate 20.

The material pulling mechanism comprises a material pressing block 30, a material holding component 40, a mounting frame 50, a first elastic piece (not shown), a driving device 70, a material pulling block 80 and a material pulling plate 90. One end of the material pressing block 30 is fixedly connected with the female die fixing plate 10. The other end of the material pressing plate 30 is fixedly connected with the material holding component 40. The mounting bracket 50 is fixedly connected with the male mold fixing plate 20. The holding assembly 40 is mounted on the mounting frame 50 by bolts. A first resilient member is provided between the centralizer assembly 40 and the mounting bracket 50. In the embodiment shown in fig. 1, the mounting position of the first resilient member is shown as illustration 60. The centralizer assembly 40 is movable up and down relative to the mounting frame 50. The driving device 70 is mounted on the mounting bracket 50. The driving end of the driving device 70 is fixedly connected with one end of the pulling block 80. The pulling plate 90 is disposed at the other end of the pulling block 80, the pulling plate 90 is disposed between the female die fixing plate 10 and the holding assembly 40, and a pulling needle (not shown) is disposed on the pulling plate 90.

Above-mentioned injection molding mould 100, terminal material area 95 are located and are held up on the material subassembly 40, and during the compound die of public template and female template, female mould fixed plate 10 pushes down through pressing material piece 30, will hold up material subassembly 40 promotion and remove to mounting bracket 50. Meanwhile, the positioning holes on the terminal material tape 95 are separated from the pull pins. At this time, the driving device 70 drives the pulling block 80 and the pulling plate 90 to retreat. When the male die plate and the female die plate are opened, the first elastic part can automatically flick the material supporting component 40 and the mounting frame 50, the terminal material belt 95 moves upwards, the material pulling needle enters the positioning hole of the terminal material belt 95, and the driving device 70 performs material pulling operation. The mold closing operation of the injection mold 100 and the retraction operation of the driving device 70 are simultaneously performed, and then the injection of the resin is performed, and then the mold opening operation, the product drawing operation, and the drawing operation of the driving device 70 are simultaneously performed, forming one cycle. The whole forming process reduces the actions of ejecting and clamping the material head, and the time of the whole process can be reduced by synchronously carrying out several actions. The cycle of the injection molding die can be about 4 seconds, and the production efficiency is greatly improved.

Further, in one embodiment, the centralizer assembly 40 includes a first centralizer plate 42 and a second centralizer plate 46. The first material holding plate 42 is fixedly connected with one end of the material pressing block 30 far away from the female die fixing plate 10. The second retainer plate 46 is fixedly connected with the first retainer plate 42. The elastic member 60 is disposed between the second retainer plate 46 and the mounting bracket 50. The terminal strip 95 is disposed between the first retainer plate 42 and the second retainer plate 46.

Further, in one embodiment, the pulling mechanism further includes a first stopper 72 and a second stopper 74. The first stopper 72 and the second stopper 74 are respectively disposed at opposite ends of the interior of the mounting bracket 50. The first stopper 72 and the second stopper 74 are used to limit the movable range of the driving device 70.

In one embodiment, the first resilient member is a spring. It is understood that in other embodiments, the first elastic member may be other elastic components.

In one embodiment, the drive device 70 is a pneumatic cylinder. It will be appreciated that in other embodiments, the drive mechanism 70 may be other devices that are capable of telescopic operation.

In the embodiment shown in fig. 1, the material pulling mechanism further includes a fixing plate 95, the fixing plate 95 is fixed on the male mold fixing plate 20, and the mounting frame 50 is fixed on the fixing plate 95.

As shown in fig. 1, the injection mold further includes a female mold plate 12, a male mold plate 14, a male mold carrier plate 16 and a male mold pin 18 sequentially stacked between the female mold fixing plate 10 and the male mold fixing plate 20, the female mold plate 12 is fixedly connected to the female mold fixing plate 10, and the male mold pin 16 is fixedly connected to the male mold fixing plate 20.

Further, a male mold terminal supporting component is fixedly arranged on the male mold plate 14. The male mold terminal holding assembly includes a material clamping plate (not shown) and a supporting plate (not shown), the material clamping plate is fixed on the male mold plate 14, and a second elastic member (not shown) is disposed between the supporting plate and the male mold plate 14. The terminal material tape 95 penetrates through the middle of the male mold terminal holding component, and the terminal material tape 95 is molded and injected with glue. When the male die plate 14 and the female die plate 12 are opened, the supporting plate drives the product to be ejected out under the action of the second elastic piece. The material clamping plate and the supporting plate play a role in positioning products.

Further, the second elastic member is a spring.

The injection molding mold 100 does not require an injection molding machine to eject, the product is pulled out by the resin shutter driven by the mother board 12, and the product and the terminal material belt 95 can be pulled out by the cylinder. The formed stub bar does not need a manipulator to clamp, a first elastic part ejection mechanism is additionally arranged between the material supporting assembly 40 and the mounting frame 50, and the formed stub bar can be directly ejected out in the moment of die sinking and can freely fall.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An injection molding mold is characterized by comprising a female mold fixing plate, a male mold fixing plate and a material pulling mechanism arranged between the female mold fixing plate and the male mold fixing plate;

the material pulling mechanism comprises a material pressing block, a material holding component, a mounting frame, a first elastic component, a driving device, a material pulling block and a material pulling plate, wherein one end of the material pressing block is fixedly connected with the female die fixing plate, the other end of the material pressing block is fixedly connected with the material holding component, the mounting frame is fixedly connected with the male die fixing plate, the material holding component is arranged on the mounting frame through a bolt, the first elastic component is arranged between the material holding component and the mounting frame, the material holding component can move up and down relative to the mounting frame, the driving device is arranged on the mounting frame, a driving end of the driving device is fixedly connected with one end of the material pulling block, the material pulling plate is arranged at the other end of the material pulling block, the material pulling plate is arranged between the female die fixing plate and the material holding component, and a material pulling needle is arranged on the material pulling plate, when the male template and the female template are matched, the female template fixing plate is pressed downwards through the pressing block, the material supporting assembly is pushed to move towards the mounting frame, meanwhile, the positioning hole in the terminal material belt is separated from the material pulling needle, and the driving device drives the material pulling block and the material pulling plate to retreat; when the male template and the female template are opened, the material supporting assembly and the mounting frame can be automatically bounced open by the first elastic piece, the terminal material belt moves upwards, the material pulling needle enters a positioning hole of the terminal material belt, and the material pulling operation is carried out by the driving device;

the male die is further fixedly provided with a male die holding terminal assembly, the male die holding terminal assembly comprises a clamping plate and a supporting plate, the clamping plate is fixedly arranged on the male die plate, a second elastic piece is arranged between the supporting plate and the male die plate, a terminal material belt penetrates into the middle of the male die holding terminal assembly, the terminal material belt is subjected to glue injection molding, and when the male die plate and the female die plate are opened, the supporting plate drives a product to be ejected out under the action of the second elastic piece.

2. The injection mold of claim 1, wherein the material holding assembly comprises a first material holding plate and a second material holding plate, the first material holding plate and one end of the material pressing block, which is far away from the female mold fixing plate, are fixedly connected, the second material holding plate is fixedly connected with the first material holding plate, and the elastic member is arranged between the second material holding plate and the mounting frame.

3. The injection mold of claim 1, wherein the material pulling mechanism further comprises a first limiting block and a second limiting block, the first limiting block and the second limiting block are respectively arranged at two opposite ends of the inside of the mounting frame, and the first limiting block and the second limiting block are used for limiting the movable range of the driving device.

4. The injection molding mold of claim 1, wherein the drive means is a pneumatic cylinder.

5. The injection mold of claim 1, wherein the first resilient member is a spring.

6. The injection molding mold of claim 1, wherein the pulling mechanism further comprises a fixing plate fixed to the male mold fixing plate, and the mounting bracket is fixedly disposed on the fixing plate.

7. The injection mold of claim 1, further comprising a female mold plate, a male mold carrier plate, and a male mold pin stacked in sequence between the female mold fixing plate and the male mold fixing plate, wherein the female mold plate is fixedly connected to the female mold fixing plate, and the male mold pin is fixedly connected to the male mold fixing plate.

8. The injection mold of claim 7, wherein the second resilient member is a spring.