CN215703649U

CN215703649U - Injection mold

Info

Publication number: CN215703649U
Application number: CN202121968416.4U
Authority: CN
Inventors: 袁鑫海
Original assignee: Shenzhen Qunchuang Electronics Co ltd
Current assignee: Shenzhen Qunchuang Electronics Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-02-01
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses an injection mold, which relates to the technical field of plastic processing and comprises a base, wherein the upper surface of the base is fixedly connected with a lower mold, the upper surface of the base is fixedly connected with two guide pillars, the upper surface of the lower mold is provided with a mold cavity and two guide grooves, the guide grooves are symmetrically distributed about the central line of the lower mold, the outer surfaces of the guide pillars are connected with an upper mold in a sliding manner, the upper surface of the upper mold is fixedly connected with a fan, the output end of the fan is fixedly communicated with a first telescopic hose, and the upper surface of the upper mold is fixedly connected with a first support. This injection mold rotates through the first universal joint of last fixed surface at first universal joint and second universal joint to be connected and can make first slider slide in first spout when the axis of rotation is pivoted, through the output end fixedly connected with second threaded rod at positive and negative motor that changes, and the upper surface threaded connection of second threaded rod and slide bar can make the slide bar reciprocate.

Description

Injection mold

Technical Field

The utility model relates to the technical field of plastic processing, in particular to an injection mold.

Background

The injection mold is a tool for producing plastic rubber products and also a tool for endowing the plastic rubber products with complete structures and accurate dimensions, and the injection molding is a processing method for batch production of certain complex parts, in particular to a molded product obtained by injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, cooling and solidifying.

The existing injection mold is used for ejecting an injection molded workpiece by using a thimble or a ejector rod when taking the workpiece, the molded workpiece can be damaged or even scrapped when the workpiece is ejected, and the ejection of the workpiece by using the thimble or the ejector rod has certain limitation, so that the injection mold is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an injection mold, which solves the problem that a workpiece is easily damaged when the workpiece is ejected by an ejector pin or an ejector rod.

In order to achieve the purpose, the utility model provides the following technical scheme: an injection mold comprises a base, wherein the upper surface of the base is fixedly connected with a lower mold, the upper surface of the base is fixedly connected with two guide pillars, the upper surface of the lower mold is provided with a mold cavity and two guide grooves, the guide grooves are symmetrically distributed about the central line of the lower mold, the outer surface of each guide pillar is connected with an upper mold in a sliding manner, the upper surface of the upper mold is fixedly connected with a fan, the output end of the fan is fixedly communicated with a first telescopic hose, the upper surface of the upper mold is fixedly connected with a first support, the upper surface of the first support is fixedly connected with a forward and reverse motor, the surface of the output end of the forward and reverse motor is fixedly connected with a first belt pulley, the upper surface of the upper mold is provided with an injection molding opening, the inner wall of the injection molding opening is fixedly connected with a sleeve, the upper mold is internally provided with a cavity, and the first telescopic hose penetrates through and extends to the cavity, the inner side wall of the cavity is respectively provided with a first sliding chute and a second sliding chute, the interior of the first sliding chute is connected with a first sliding block in a sliding manner, the bottom surface of the first sliding block is fixedly connected with a second flexible hose, the left end of the second flexible hose is fixedly communicated with the first flexible hose, the other end of the second flexible hose is fixedly communicated with a sucker, the edge of the upper surface of the first sliding block is connected with a first threaded rod in a threaded manner, the upper surface of the first threaded rod is fixedly connected with a first universal joint, the interior of the first universal joint is rotatably connected with a second universal joint, the upper surface of the second universal joint is fixedly connected with a rotating shaft, the rotating shaft is rotatably connected with the inner wall of the upper die through a bearing, the upper surface of the rotating shaft is fixedly connected with a second belt pulley, the second belt pulley is rotatably connected with the first belt pulley through belt transmission, the interior of the second sliding chute is connected with a second sliding block, the terminal surface fixedly connected with slide bar of second slider, the interior roof threaded connection of slide bar has the second threaded rod, and the upper surface of second threaded rod and the output fixed connection of just reversing motor, go up the guide block of the bottom surface fixedly connected with and the guide way looks adaptation of mould. .

As the further description of above-mentioned technical scheme, the left part fixedly connected with cask of the upper surface of base, the external fixed surface intercommunication of cask has the input water pipe, the last fixed surface of cask is connected with the water pump, the input and the fixed intercommunication of cask of water pump, the fixed intercommunication of output of water pump has the output water pipe, and the other end of output water pipe and input water pipe is fixed to be linked together in the left surface of lower mould, through the effective transport to water, can carry out quick cooling in the mould to the plastics of usefulness of moulding plastics when moulding plastics, improves machining efficiency.

As a further description of the above technical solution, the upper surface of the base is fixedly connected with a second support, the bottom surface of the second support is fixedly connected with two hydraulic telescopic rods, and the output end of each hydraulic telescopic rod is fixedly connected with the upper surface of the upper die, so that the upper die can move up and down to be tightly closed with the lower die.

As a further description of the above technical solution, the upper surface of the lower mold is fixedly connected with a first sealing ring, and the first sealing ring is located outside the mold cavity, so that sealing can be performed when the upper mold and the lower mold are closed, and leakage of the injection molding material is prevented.

As the further description of the technical scheme, a notch matched with the sliding rod is formed in the lower right corner of the cavity, a second sealing ring is fixedly connected to the inner wall of the notch, the notch can be sealed when the sliding rod slides downwards, and injection molding material is prevented from leaking in the injection molding process.

As the further description of above-mentioned technical scheme, the lateral wall fixedly connected with stopper of second spout, first spout is the slope form, makes the bottom surface of slide bar and the upper surface of die cavity just in time parallel and level when the slide bar descends, through setting first spout to the slope form, can carry out nimble control to the position of sucking disc, has guaranteed that the sucking disc can stretch out or withdraw from the breach.

As a further description of the above technical solution, the thread lines of the first threaded rod and the second threaded rod are opposite, the sliding rod and the suction cup can be controlled to move flexibly by controlling the steering of the forward and reverse rotating motor, when performing injection molding operation on plastics, the forward and reverse rotating motor is controlled to rotate forward, the first threaded rod drives the first sliding block and the suction cup to move upward under the action of the first sliding block and the first sliding groove, the second threaded rod drives the sliding rod to move downward and block and seal the notch under the action of the second sliding block and the second sliding groove, when performing mold removal operation on the injection molded mold, the forward and reverse rotating motor is controlled to rotate backward, the second threaded rod drives the sliding rod to move upward and separate from the notch under the action of the second sliding block and the second sliding groove, the first threaded rod drives the first sliding block and the suction cup to move downward under the action of the first sliding block and the first sliding groove, until the suction cup extends out of the notch and sucks the die.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the first universal joint is fixedly connected to the upper surface of the first universal joint, the first universal joint is rotatably connected with the second universal joint, so that the first slide block can slide in the first sliding groove while the rotating shaft rotates, the second threaded rod is fixedly connected to the output end of the forward and reverse rotating motor and is in threaded connection with the upper surface of the slide rod, so that the slide rod can move up and down, the second belt pulley and the first belt pulley are in belt transmission connection, so that the first slide block and the second slide block can be moved while the slide rod moves, the beneficial effect of simultaneous movement of the slide rod and the suction disc is achieved, the mold can be effectively taken out, and the beneficial effect of mold closing accuracy can be achieved during mold closing by fixedly connecting the guide block matched with the guide groove to the bottom surface of the upper mold.

2. According to the utility model, the sliding rod and the second sealing ring are arranged, so that injection molding material is prevented from leaking during injection molding, the side wall of the second sliding block is fixedly connected with the limiting block, the bottom surface of the sliding rod is just flush with the upper surface of the mold cavity when the sliding rod descends, so that the moving accuracy of the sliding rod is enhanced, the first sealing ring is fixedly connected with the upper surface of the lower mold, so that sealing can be performed during the mold closing of the upper mold and the lower mold, and the injection molding material is prevented from leaking.

Drawings

FIG. 1 is a general block diagram of an injection mold according to the present invention;

FIG. 2 is a front cross-sectional view of an injection mold of the present invention;

FIG. 3 is a top view of the injection mold of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 2 according to the present invention.

In the figure: 1-a base; 2-lower mould; 3-a guide pillar; 4-a second scaffold; 5-upper mould; 6-hydraulic telescopic rod; 7-injection molding mouth; 8-a first scaffold; 9-a positive and negative rotation motor; 10-a second pulley; 11-a first bellows; 12-a fan; 13-a bucket; 14-a water pump; 15-water outlet pipe; 16-an input water pipe; 17-a guide groove; 18-a first sealing ring; 19-a mold cavity; 20-a cavity; 21-a guide block; 22-a second bellows; 23-a second chute; 24-a suction cup; 25-a slide bar; 26-a second sealing ring; 27-a limiting block; 28-a second slide; 29-a cannula; 30-a second threaded rod; 31-a first slider; 32-a first threaded rod; 33-a first pulley; 34-first universal joint; 35-a second gimbal; 36-a rotating shaft; 37-first runner.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an injection mold comprises a base 1, a lower mold 2 fixedly connected to the upper surface of the base 1, a water tank 13 fixedly connected to the left portion of the upper surface of the base 1, an input water pipe 16 fixedly connected to the outer surface of the water tank 13, a water pump 14 fixedly connected to the upper surface of the water tank 13, an input end of the water pump 14 fixedly connected to the water tank 13, an output end of the water pump 14 fixedly connected to an output water pipe 15, and the other ends of the output water pipe 15 and the input water pipe 16 fixedly connected to the left side surface of the lower mold 2, wherein the plastic for injection can be rapidly cooled in the mold during injection molding by effectively delivering water, so as to improve the processing efficiency, two guide posts 3 are fixedly connected to the upper surface of the base 1, a mold cavity 19 and two guide grooves 17 are formed in the upper surface of the lower mold 2, and the guide grooves 17 are symmetrically distributed about the center line of the lower mold 2, the outer surface of the guide post 3 is connected with an upper die 5 in a sliding manner, the upper surface of the base 1 is fixedly connected with a second support 4, the bottom surface of the second support 4 is fixedly connected with two hydraulic telescopic rods 6, the output end of each hydraulic telescopic rod 6 is fixedly connected with the upper surface of the upper die 5, the upper die 5 can move up and down to enable the upper die 5 to be tightly closed with the lower die 2, the upper surface of the lower die 2 is fixedly connected with a first sealing ring 18, the first sealing ring 18 is positioned outside a die cavity 19 and can be sealed when the upper die 5 and the lower die 2 are closed to prevent injection molding material from leaking, the upper surface of the upper die 5 is fixedly connected with a fan 12, the output end of the fan 12 is fixedly communicated with a first telescopic hose 11, the upper surface of the upper die 5 is fixedly connected with a first support 8, the upper surface of the first support 8 is fixedly connected with a forward and reverse motor 9, and the surface of the output end of the forward and reverse motor 9 is fixedly connected with a first belt pulley 33, an injection port 7 is formed in the upper surface of an upper die 5, a sleeve 29 is fixedly connected to the inner wall of the injection port 7 and can effectively convey liquid plastic, a cavity 20 is formed in the upper die 5, a first flexible hose 11 penetrates through and extends into the cavity 20, a first sliding chute 37 and a second sliding chute 23 are respectively formed in the inner side wall of the cavity 20, the first sliding chute 37 is inclined and can effectively guide a suction cup 24, the suction cup 24 can be flexibly matched with a notch, the suction cup 24 can extend out of or retract from the notch, a first sliding block 31 is slidably connected to the inner side of the first sliding chute 37, a second flexible hose 22 is fixedly connected to the bottom surface of the first sliding block 31, the left end of the second flexible hose 22 is fixedly communicated with the first flexible hose 11, the other end of the second flexible hose 22 is fixedly communicated with the suction cup 24, the surfaces of the first flexible hose 11 and the second flexible hose 22 are wrinkled, the fan can extend or contract along with the movement of the position of the suction cup 24, and can effectively transmit the wind conveyed by the fan 12, the edge of the upper surface of the first slide block 31 is in threaded connection with a first threaded rod 32, the upper surface of the first threaded rod 32 is fixedly connected with a first universal joint 34, the interior of the first universal joint 34 is rotatably connected with a second universal joint 35, the universal joint is a universal joint which is a machine member for realizing variable-angle power transmission and is used for changing the position of the direction of a transmission axis, for a person skilled in the art, the first universal joint 34 and the second universal joint 35 are common steering components in the prior art, the upper surface of the second universal joint 35 is fixedly connected with a rotating shaft 36, the rotating shaft 36 is rotatably connected with the inner wall of the upper die 5 through a bearing, the upper surface of the rotating shaft 36 is fixedly connected with a second belt pulley 10, and the second belt pulley 10 is connected with the first belt pulley 33 through a belt, a second sliding block 28 is connected inside the second sliding chute 23 in a sliding manner, a sliding rod 25 is fixedly connected to the end face of the second sliding block 28, a limiting block 27 is fixedly connected to the side wall of the second sliding chute 23, when the sliding rod 25 descends, the bottom surface of the sliding rod 25 is just flush with the upper surface of the mold cavity 19, a notch matched with the sliding rod 25 is formed in the lower right corner of the cavity 20, a second sealing ring 26 is fixedly connected to the inner wall of the notch, the notch can be sealed when the sliding rod 25 slides downwards, leakage of injection molding materials is prevented during injection molding, a second threaded rod 30 is connected to the inner top wall of the sliding rod 25 in a threaded manner, the upper surface of the second threaded rod 30 is fixedly connected with the output end of the forward and reverse rotation motor 9, threads of the first threaded rod 32 and the second threaded rod 30 are opposite in texture, and by controlling the steering of the forward and reverse rotation motor 9, the sliding rod 25 and the suction cup 24 can be flexibly moved, when the plastic is injected, the forward and reverse rotation motor 9 is controlled to rotate forward, the first threaded rod 32 drives the first slider 31 and the suction cup 24 to move upward under the action of the first slider 31 and the first chute 37, the second threaded rod 30 drives the slide rod 25 to move downward and block and seal the gap under the action of the second slider 28 and the second chute 23, when the injection-molded mold is taken out, the forward and reverse rotation motor 9 is controlled to rotate reversely, the slide rod 25 is driven by the second threaded rod 30 to move upward and separate from the gap under the action of the second slider 28 and the second chute 23, the first threaded rod 32 drives the first slider 31 and the suction cup 24 to move downward under the action of the first slider 31 and the first chute 37 until the suction cup 24 extends out of the gap and adsorbs the mold, the guide block 21 matched with the guide groove 17 is fixedly connected to the bottom surface of the upper mold 5, the effective buckling of the upper die 5 and the lower die 2 is ensured.

The working principle is as follows: when the mold is used, firstly, the upper mold 5 and the lower mold 2 are matched through the hydraulic telescopic rod 6, at the moment, the guide block 21 is buckled in the guide groove 17, next, the water pump 14 is started, melted plastics are injected through the injection port 7, the forward and reverse rotating motor 9 is started, at the moment, the rotation of the forward and reverse rotating motor 9 drives the first belt pulley 33 to rotate and the second threaded rod 30 to rotate, as the first belt pulley 33 is in transmission connection with the second belt pulley 10 through a belt, the first belt pulley 33 drives the second belt pulley 10 to rotate, the rotation of the second belt pulley 10 drives the second universal joint 35 to rotate, the second universal joint 35 rotates to drive the first universal joint 34 to rotate, further drives the first threaded rod 32 to rotate, so that the first sliding block 31 moves downwards along the first sliding groove 37, the sliding rod 25 moves upwards through the rotation of the second threaded rod 30 in the downward movement process of the first sliding block 31, when the first threaded rod 32 moves to the lowest end, the notch of the sucking disc 24 penetrates through and moves to the inside the mold cavity 19, and closely laminate with the work piece, start fan 12 this moment, utilize fan 12's adsorption affinity, fan 12 adsorbs the work piece through first bellows 11 and second bellows 22 and sucking disc 24, then starts hydraulic telescoping rod 6 and makes and go up mould 5 rebound, and the work piece is then lifted up along with sucking disc 24 this moment, then gets the piece, accomplishes the operation of getting the piece this moment.

In summary, in the injection mold, the first universal joint 34 is fixedly connected to the upper surface of the first universal joint 34, the first universal joint 34 is rotatably connected to the second universal joint 35, the first slide block 31 can slide in the first sliding groove 37 while the rotating shaft 36 rotates, the second threaded rod 30 is fixedly connected to the output end of the forward and reverse motor 9, the second threaded rod 30 is in threaded connection with the upper surface of the slide rod 25, the slide rod 25 can move up and down, the first slide block 31 can also move while the slide rod 25 moves by the belt transmission connection of the second belt pulley 10 and the first belt pulley 33, the beneficial effect of simultaneous movement is achieved, the beneficial effect of mold closing accuracy can be achieved by fixedly connecting the guide block 21 matched with the guide groove 17 to the bottom surface of the upper mold 5, the slide rod 25 and the second seal ring 26 are provided, can prevent when moulding plastics that the injection molding material from leaking, through the lateral wall fixedly connected with stopper 27 of second slider 28, make the bottom surface of slide bar 25 and the upper surface of die cavity 19 just in time parallel and level when slide bar 25 descends, strengthened the precision that slide bar 25 removed, through the first sealing washer 18 of the upper surface fixedly connected with of lower mould 2, can seal when upper mould 5 and lower mould 2 carry out the compound die, prevent that the injection molding material from leaking.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection mold, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with a lower die (2), the upper surface of the base (1) is fixedly connected with two guide pillars (3), the upper surface of the lower die (2) is provided with a die cavity (19) and two guide grooves (17), the guide grooves (17) are symmetrically distributed about the central line of the lower die (2), the outer surface of each guide pillar (3) is connected with an upper die (5) in a sliding manner, the upper surface of the upper die (5) is fixedly connected with a fan (12), the output end of the fan (12) is fixedly communicated with a first flexible hose (11), the upper surface of the upper die (5) is fixedly connected with a first bracket (8), the upper surface of the first bracket (8) is fixedly connected with a forward and reverse rotating motor (9), the surface of the output end of the forward and reverse rotating motor (9) is fixedly connected with a first belt pulley (33), the upper surface of the upper die (5) is provided with an injection molding opening (7), the inner wall of the injection molding opening (7) is fixedly connected with a sleeve (29), a cavity (20) is formed in the upper die (5), the first telescopic hose (11) penetrates through and extends to the cavity (20), a first sliding groove (37) and a second sliding groove (23) are formed in the inner side wall of the cavity (20) respectively, a first sliding block (31) is connected in the first sliding groove (37) in a sliding manner, a second telescopic hose (22) is fixedly connected to the bottom surface of the first sliding block (31), the left end of the second telescopic hose (22) is fixedly communicated with the first telescopic hose (11), a sucking disc (24) is fixedly communicated with the other end of the second telescopic hose (22), a first threaded rod (32) is connected to the edge of the upper surface of the first sliding block (31) in a threaded manner, a first universal joint (34) is fixedly connected to the upper surface of the first threaded rod (32), a second universal joint (35) is rotatably connected to the inner portion of the first universal joint (34), and a rotating shaft (36) is fixedly connected to the upper surface of the second universal joint (35), and axis of rotation (36) passes through the bearing rotation with the inner wall of last mould (5) and is connected, the last fixed surface of axis of rotation (36) is connected with second belt pulley (10), and second belt pulley (10) are connected through belt transmission with first belt pulley (33), the inside sliding connection of second spout (23) has second slider (28), the terminal surface fixedly connected with slide bar (25) of second slider (28), the interior roof threaded connection of slide bar (25) has second threaded rod (30), and the upper surface of second threaded rod (30) and the output fixed connection of just reversing motor (9), the bottom surface fixedly connected with of last mould (5) and guide block (21) of guide way (17) looks adaptation.

2. An injection mold according to claim 1, wherein: the left part fixedly connected with cask (13) of the upper surface of base (1), the external fixed surface intercommunication of cask (13) has input water pipe (16), the last fixed surface of cask (13) is connected with water pump (14), the input and the fixed intercommunication of cask (13) of water pump (14), the fixed intercommunication of output of water pump (14) has delivery pipe (15), and the other end of delivery pipe (15) and input water pipe (16) is fixed to be linked together in the left surface of lower mould (2).

3. An injection mold according to claim 1, wherein: the upper surface fixed connection of base (1) has second support (4), the bottom surface fixed connection of second support (4) has two hydraulic telescoping rod (6), and the output of every hydraulic telescoping rod (6) all is connected with the upper surface fixed connection of last mould (5).

4. An injection mold according to claim 1, wherein: the upper surface of the lower die (2) is fixedly connected with a first sealing ring (18), and the first sealing ring (18) is located on the outer side of the die cavity (19).

5. An injection mold according to claim 1, wherein: the lower right corner of the cavity (20) is provided with a notch matched with the sliding rod (25), and the inner wall of the notch is fixedly connected with a second sealing ring (26).

6. An injection mold according to claim 1, wherein: the lateral wall fixedly connected with stopper (27) of second spout (23), first spout (37) are the slope form.

7. An injection mold according to claim 1, wherein: the thread lines of the first threaded rod (32) and the second threaded rod (30) are opposite.