CN215151335U

CN215151335U - Injection mold convenient to cool

Info

Publication number: CN215151335U
Application number: CN202120562875.6U
Authority: CN
Inventors: 黄荣贵; 曹道军
Original assignee: Shenzhen Sanpin Mould Co Ltd
Current assignee: Shenzhen Sanpin Mould Co Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-12-14
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to an injection mold technical field just discloses an injection mold convenient to cooling, including the die holder, the top of die holder is provided with the upper die base, the die cavity has been seted up to the inside of die holder, the bottom fixedly connected with mold core of upper die base, the top fixedly connected with fixed block of upper die base, the mouth of moulding plastics has been seted up at the top of fixed block, the runner has been seted up to the inside of upper die base, the dead slot has been seted up to the inside of die holder, the inside of dead slot is provided with the push pedal, the top fixedly connected with thimble of push pedal. This injection mold convenient to cooling mutually supports through between activity groove, notch, semicircle board, movable block and the pull rod for two semicircle board one side relative overlap joints each other, and then can seal the mouth of moulding plastics, makes the device when not using, can prevent that external dust and impurity from entering into the inside of the mouth of moulding plastics, avoids the inner wall of the mouth of moulding plastics to adhere to the pollutant and influence the effect of moulding plastics.

Description

Injection mold convenient to cool

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold convenient to cooling.

Background

The injection mold has the advantages of high production speed, high efficiency, automation of operation, various colors and varieties, various shapes from simple to complex, small sizes, accurate product size, easy product updating and updating, capability of forming workpieces with complex shapes, and suitability for the field of forming and processing of mass production and products with complex shapes.

And current injection mold's the mouth of moulding plastics does not set up protection machanism, when injection mold does not use, causes the pollution to the mouth of moulding plastics easily for the inside wall of the mouth of moulding plastics adheres to dust and dirt, thereby makes injection mold when moulding plastics the use, makes the melt be infected with dust and dirt in the inside of the mouth of moulding plastics easily, and then can influence injection moulding product's shaping effect, consequently need provide an injection mold convenient to cooling and solve the above-mentioned problem that appears.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an injection mold convenient to cooling possesses and can carry out the closure protection to the mouth of moulding plastics, prevents that the dust from attaching to the advantages such as the inner wall of the mouth of moulding plastics, has solved the inside wall of the mouth of moulding plastics and has attached to dust and dirt to make injection mold when moulding plastics the use, make the melt be infected with dust and dirt in the inside of the mouth of moulding plastics easily, and then can influence the problem of injection moulding product's shaping effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold convenient to cool comprises a lower die base, an upper die base is arranged at the top of the lower die base, a cavity is arranged in the lower die holder, the bottom of the upper die holder is fixedly connected with a die core, the top of the upper die holder is fixedly connected with a fixed block, the top of the fixed block is provided with an injection molding opening, the inside of the upper die holder is provided with a runner, the inside of the lower die holder is provided with a hollow groove, a push plate is arranged in the empty groove, the top of the push plate is fixedly connected with a thimble, the inner top wall of the empty groove is provided with a connecting groove, the top of the push plate is fixedly connected with a rubber pad, the inner side wall of the injection molding opening is provided with a movable groove, a notch is arranged on the side surface of the fixed block, a semicircular plate is movably connected inside the movable groove, the side surface of semicircle board fixedly connected with movable block, one side fixedly connected with pull rod that the movable block kept away from the semicircle board.

Preferably, a cooling water channel is formed in the side surface of the lower die base, a sliding block is movably connected inside the cooling water channel, and wiping blocks are fixedly connected to the upper side and the lower side of the sliding block.

Preferably, the top of the lower die holder is fixedly connected with a guide pillar, the interior of the upper die holder is fixedly connected with a guide sleeve, the guide pillar is movably inserted into the guide sleeve, and the top of the lower die holder is lapped with the bottom of the upper die holder.

Preferably, the mold core is positioned in the cavity, the runner is communicated with the top and the bottom of the upper mold base, and the injection molding port is communicated with the runner.

Preferably, the bottom of push pedal and the interior diapire overlap joint of dead slot, the thimble is pegged graft with the inside of rubber pad, the inside intercommunication of spread groove and die cavity, the thimble is pegged graft with the inside activity of spread groove.

Preferably, one side of the semicircular plate, which is far away from the movable block, is positioned in the injection molding port, the notch is communicated with the movable groove, and the movable block is matched with the notch.

Compared with the prior art, the utility model provides an injection mold convenient to cooling possesses following beneficial effect:

1. this injection mold convenient to cooling, through the movable groove, the notch, the semicircle board, mutually support between movable block and the pull rod, make two relative one side of semicircle board overlap joints each other, and then can seal the mouth of moulding plastics, make the device when not using, can prevent that external dust and impurity from entering into the inside of the mouth of moulding plastics, the inner wall of the mouth of avoiding moulding plastics adheres to the pollutant and influences the effect of moulding plastics, when needs the device, can remove through pulling pull rod and drive semicircle board, thereby make the mouth of moulding plastics open, and then can mould plastics.

2. This injection mold convenient to cooling through mutually supporting between cooling water course and the slider for the inside cooling water of cooling water course can drive the slider and together remove in the inside of cooling water course when the inside of cooling water course flows, thereby can clean the inside of cooling water course through the piece of wiping on the slider surface, avoids the inner wall of cooling water course to produce the incrustation scale, thereby can improve the device's cooling effect.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 4 is a sectional view of the top view structure of the fixing block of the present invention.

Wherein: 1. a lower die holder; 2. an upper die holder; 3. a cavity; 4. a mold core; 5. a fixed block; 6. an injection molding port; 7. a flow channel; 8. an empty groove; 9. pushing the plate; 10. a thimble; 11. connecting grooves; 12. a rubber pad; 13. a cooling water channel; 14. a slider; 15. a guide post; 16. a guide sleeve; 17. a movable groove; 18. a notch; 19. a semicircular plate; 20. a movable block; 21. a pull rod.

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. 1-4, an injection mold convenient for cooling comprises a lower die holder 1, an upper die holder 2 is arranged at the top of the lower die holder 1, a cavity 3 is formed inside the lower die holder 1, a die core 4 is fixedly connected to the bottom of the upper die holder 2, a fixing block 5 is fixedly connected to the top of the upper die holder 2, the fixing block 5 is disc-shaped, the fixing block 5 is located at the center of the upper die holder 2, an injection port 6 is formed at the top of the fixing block 5, the injection port 6 is conical, the diameter of the top of the injection port 6 is larger than that of the bottom, a runner 7 is formed inside the upper die holder 2, the die core 4 is located inside the cavity 3, the runner 7 is communicated with the top and the bottom of the upper die holder 2, the injection port 6 is communicated with the runner 7, the bottom of the runner 7 penetrates through the top of the die core 4 and extends to the bottom of the die core 4, so that molten material can enter the runner 7 from the injection port 6, and enters the inside of the die cavity 3 through the runner 7, the inside of the lower die holder 1 is provided with an empty groove 8, the inside of the empty groove 8 is provided with a push plate 9, the top of the push plate 9 is fixedly connected with a plurality of thimbles 10, and the products inside the die cavity 3 can be ejected through the thimbles 10, the inner top wall of the empty groove 8 is provided with a connecting groove 11, the top of the push plate 9 is fixedly connected with a rubber pad 12, the abrasion condition of the push plate 9 can be reduced through the arrangement of the rubber pad 12, the bottom of the push plate 9 is overlapped with the inner bottom wall of the empty groove 8, the thimbles 10 are inserted into the rubber pad 12, the connecting groove 11 is communicated with the inside of the die cavity 3, the thimbles 10 are movably inserted into the connecting groove 11, the side surface of the lower die holder 1 is provided with two cooling water channels 13, the cooling water channels 13 are communicated with the left side and the right side of the lower die holder 1, and the cooling water channels 13 are designed around the die cavity 3, make the inside cooling water of cooling water course 13 flow and can cool off the inside product of die cavity 3, the inside swing joint of cooling water course 13 has slider 14, slider 14 leaves the gap with the inside of cooling water course 13, make the cooling water can pass through, the equal fixedly connected with in upper and lower both sides of slider 14 wipes the piece, flow in the inside of cooling water course 13 through the cooling water, and drive slider 14 together and remove in the inside of cooling water course 13, and wipe the piece through on the slider 14 and can wipe the inner wall of cooling water course 13, thereby avoid the inner wall of cooling water course 13 to produce the incrustation scale, thereby the cooling effect has been improved.

The top of the lower die holder 1 is fixedly connected with a guide post 15, the inside of the upper die holder 2 is fixedly connected with a guide sleeve 16, the number of the guide post 15 and the guide sleeve 16 is four, the guide post 15 is movably inserted into the guide sleeve 16, the top of the lower die holder 1 is lapped with the bottom of the upper die holder 2, the inner side wall of the injection molding port 6 is provided with two movable grooves 17, the number of the movable grooves 17 is two, the movable grooves 17 are semicircular, the two movable grooves 17 are symmetrically arranged left and right, the side surface of the fixed block 5 is provided with two notches 18, the number of the notches 18 is two, the central axis of the fixed block 5 is symmetrical left and right, the inside of the movable grooves 17 is movably connected with two semicircular plates 19, the number of the semicircular plates 19 is two, when the opposite sides of the two semicircular plates 19 are lapped with each other, the injection molding port 6 can be sealed, dust is prevented from being attached to the inner side wall of the injection molding port 6, the side surfaces of the semicircular plates 19 are fixedly connected with movable blocks 20, two semicircle boards 19 equal fixedly connected with movable block 20 in one side that carry on the back mutually, semicircle board 19 keep away from one side of movable block 20 and are located the inside of moulding plastics mouth 6, notch 18 and activity groove 17 communicate each other, movable block 20 and the mutual adaptation of notch 18, one side fixedly connected with pull rod 21 that semicircle board 19 was kept away from to movable block 20, can drive movable block 20 through pull rod 21 and remove to make semicircle board 19 together remove.

When the device is used, the two pull rods 21 are respectively moved to the left and the right sides, and drives the movable block 20 to move inside the movable slot 17, and the movable block 20 is positioned inside the notch 18, meanwhile, the moving block 20 can move to drive the semi-circular plates 19 to move, so that the two semi-circular plates 19 are separated, and the semi-circular plates 19 move in the moving groove 17, and under the action of the notch 18, the semi-circular plate 19 can be prevented from moving out of the notch 18, thereby exposing the injection opening 6 so that the device can be injection moulded, which, when not in use, the two tie rods 21 can be moved towards the middle, so that the opposite sides of the two semicircular plates 19 are overlapped with each other, thereby can seal mouth 6 of moulding plastics, prevent that external dust from adhering to on the inside wall of mouth 6 of moulding plastics to the effect of moulding plastics has been improved.

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 an injection mold convenient to cooling, includes die holder (1), its characterized in that: an upper die base (2) is arranged at the top of the lower die base (1), a die cavity (3) is formed in the lower die base (1), a die core (4) is fixedly connected to the bottom of the upper die base (2), a fixing block (5) is fixedly connected to the top of the upper die base (2), an injection molding port (6) is formed in the top of the fixing block (5), a runner (7) is formed in the upper die base (2), a hollow groove (8) is formed in the lower die base (1), a push plate (9) is arranged in the hollow groove (8), a thimble (10) is fixedly connected to the top of the push plate (9), a connecting groove (11) is formed in the inner top wall of the hollow groove (8), a rubber pad (12) is fixedly connected to the top of the push plate (9), a movable groove (17) is formed in the inner side wall of the injection molding port (6), a notch (18) is formed in the side surface of the fixing block (5), the inside swing joint of activity groove (17) has semicircle board (19), the side surface fixedly connected with movable block (20) of semicircle board (19), one side fixedly connected with pull rod (21) of semicircle board (19) are kept away from in movable block (20).

2. An injection mold for facilitating cooling as claimed in claim 1, wherein: the side surface of the lower die holder (1) is provided with a cooling water channel (13), a sliding block (14) is movably connected inside the cooling water channel (13), and wiping blocks are fixedly connected to the upper side and the lower side of the sliding block (14).

3. An injection mold for facilitating cooling as claimed in claim 1, wherein: the die comprises a lower die holder (1) and is characterized in that a guide pillar (15) is fixedly connected to the top of the lower die holder (1), a guide sleeve (16) is fixedly connected to the inside of the upper die holder (2), the guide pillar (15) is movably inserted into the guide sleeve (16), and the top of the lower die holder (1) is in lap joint with the bottom of the upper die holder (2).

4. An injection mold for facilitating cooling as claimed in claim 1, wherein: the mold core (4) is located inside the cavity (3), the flow channel (7) is communicated with the top and the bottom of the upper mold base (2), and the injection molding port (6) is communicated with the flow channel (7) mutually.

5. An injection mold for facilitating cooling as claimed in claim 1, wherein: the bottom of push pedal (9) and the interior diapire overlap joint of dead slot (8), thimble (10) are pegged graft with the inside of rubber pad (12), the inside intercommunication of connecting groove (11) and die cavity (3), thimble (10) are pegged graft with the inside activity of connecting groove (11).

6. An injection mold for facilitating cooling as claimed in claim 1, wherein: one side that activity piece (20) were kept away from in semicircle board (19) is located the inside of moulding plastics mouth (6), notch (18) and activity groove (17) communicate each other, activity piece (20) and notch (18) mutual adaptation.