CN214395182U

CN214395182U - High-precision automobile injection mold

Info

Publication number: CN214395182U
Application number: CN202023112033.5U
Authority: CN
Inventors: 单勇; 俞洋; 严荣华
Original assignee: Jiangsu Weijin Mould & Plastic Co ltd
Current assignee: Jiangsu Weijin Mould & Plastic Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-15
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a high accuracy car injection mold, including top mould, end mould and cavity, the passageway of moulding plastics is seted up at the cavity top, the inside water-cooling passageway of seting up of top mould and die block utensil, and the water-cooling passageway encircles and set up around the cavity, the water filling port of water-cooling passageway sets up at the top of top mould, and the delivery port setting of water-cooling passageway is in the side of end mould, be provided with the mechanism that dams in the die block utensil, be provided with two fixed establishment in the top mould. The utility model discloses a fixed block is locked to the fixed block, makes to connect tighter between top mould and the die block utensil, causes this high accuracy car injection mold injection moulding effect poor to make this high accuracy car injection mold's shaping precision promote, set up the damming mechanism, make the water-cooling in the passageway fill up, thereby more comprehensive carries out water-cooling to this high accuracy car injection mold, prevent that the inhomogeneous condition that leads to the shaping effect to take place that dispels the heat.

Description

High-precision automobile injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is a high accuracy car injection mold.

Background

Along with the development of society and the progress of science and technology, the application range and the quantity of injection molding also become bigger and bigger, and people's life also can not leave the use of injection molding more and more, especially the use of car injection molding.

The mould is indispensable technological equipment in modern industry, especially automobile, radio, aviation, motor and electric appliance, instrument, daily necessities, etc. The runner system of an injection mold is a flow channel for the melt from the nozzle of the injection machine to the mold cavity. In the injection molding process, molten plastic enters a mold cavity through a runner system, namely a nozzle, a runner and a sprue, and the design quality of the runner system has very important influence on the quality and production efficiency of injection molded parts. The common runner system consists of five parts, namely a main runner, a sub-runner, a pouring gate, a cold material cavity and a cavity.

At present, the existing high-precision automobile injection mold is clamped only through a fixing block, the top mold and the bottom mold are not tightly connected after clamping, gaps are easily generated, and the mold forming effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy car injection mold to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a high-precision automobile injection mold comprises a top mold, a bottom mold and a cavity, wherein an injection molding channel is formed in the top of the cavity, water cooling channels are formed in the top mold and the bottom mold and are arranged around the cavity in a surrounding manner, a water filling port of each water cooling channel is formed in the top of the top mold, a water outlet of each water cooling channel is formed in the side surface of the bottom mold, a closure mechanism is arranged in the bottom mold, and two fixing mechanisms are arranged in the top mold;

the intercepting mechanism comprises a motor, a first rotating rod, a rotating disc, a connecting rod, a control panel, an intercepting plate and an intercepting sleeve, a working groove, a sliding groove and a positioning groove are formed in the bottom die, the working groove and the sliding groove are communicated, the sliding groove is communicated with the water cooling channel, the water cooling channel is communicated with the positioning groove, the motor is fixedly connected with the inner wall of the working groove, one end of the first rotating rod is fixedly connected with the rotating end of the motor, the rotating disc is fixedly connected with the other end of the first rotating rod, the connecting rod is fixedly connected to the surface of the turntable, a sliding opening is arranged on the surface of the control plate, and the control plate is sleeved on the side surface of the connecting rod through the sliding opening, one end of the intercepting plate is fixedly connected with the bottom of the control plate, the intercepting plate is in sliding connection in the sliding groove, the intercepting sleeve is fixedly sleeved at the other end of the intercepting plate, and the intercepting sleeve is in sliding insertion with the positioning groove through the sliding of the intercepting plate;

the two fixing mechanisms are symmetrically arranged on two sides of the cavity by taking the cavity as a symmetry axis, each fixing mechanism comprises a fixing block, a worm, a threaded handle, a second rotating rod, a worm wheel, a transmission rod and a fixing rod, a fixing groove is formed in the bottom of the top die, a worm groove, a worm wheel groove and a rotating groove are formed in the top die, the worm groove and the worm wheel groove are communicated, the worm wheel groove and the rotating groove are communicated, the rotating groove and the fixing groove are communicated, the fixing block is fixedly connected to the top of the bottom die and is in sliding insertion connection with the fixing groove, a clamping groove is formed in the side face of the fixing block, one end of the worm is rotatably connected into the worm groove through a first bearing, the other end of the worm extends to the outside of the top die, the threaded handle is fixedly connected to one end of the worm and is arranged outside the top die, the second rotating rod is rotatably connected to the inner wall of the worm wheel groove through a second bearing, the fixed cover of worm wheel connects on the surface of second bull stick, and worm wheel and worm meshing, transfer line one end fixed connection is on the surface of second bull stick, and the transfer line other end extends to and rotates the inslot, dead lever fixed connection is at the other end of transfer line, and the one end of dead lever rotates with the joint groove on fixed block surface and pegs graft.

Furthermore, the channel of moulding plastics inclines to set up, and the mouth of moulding plastics of the channel of moulding plastics is provided with the funnel, makes the velocity of flow and the pressure of reduction fluid that can be fine when moulding plastics, has reduced the probability that the product stamp mark appears, and the funnel makes the work of moulding plastics more convenient.

Further, connecting rod one end is provided with the anti-drop cap, prevents that the control panel from breaking away from the connecting rod, leads to the work of damming unable going on.

Furthermore, the side surface of the intercepting plate is in contact with the inner wall of the sliding groove, so that the intercepting plate is prevented from deviating, the intercepting work is invalid, and the intercepting work cannot be well completed.

Furthermore, the material of the intercepting sleeve is rubber, and the rubber material provides a good water retaining effect for the intercepting sleeve, so that water in the water cooling channel can stop flowing, and the water cooling work is facilitated.

Furthermore, the material of the threaded handle is wood, and the surface of the threaded handle is provided with anti-skidding threads, so that an operator can operate the threaded handle conveniently, and misoperation caused by sliding is prevented.

Further, the fixed rod is an arc-shaped rod, and the fixed block can be locked more tightly by rotating the arc-shaped rod.

Furthermore, the motor is a stepping motor, so that the water in the water cooling channel can be periodically replaced, and the water cooling effect is obviously improved.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a fixed rod locks the fixed block, it is tighter to make to connect between top mould and the die block utensil, prevent to produce the gap between top mould and the die block utensil, it is poor to cause this high accuracy car injection mold injection moulding effect, thereby make this high accuracy car injection mold's shaping precision promote, set up the damming mechanism, make water-cooling in the passageway fill up, thereby more comprehensive carries out water-cooling heat dissipation to this high accuracy car injection mold, prevent that the inhomogeneous condition that leads to the shaping effect poor from taking place of heat dissipation, and then make this high accuracy car injection mold's result of use more outstanding, worm and gear transmission through setting up, possess the auto-lock ability, make top mould and end mould can not automatic loosening under the locking condition, make the stability of this structure improve.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is an enlarged schematic structural diagram of a in fig. 1 of the present invention;

fig. 3 is a schematic side view of a partial structure of the intercepting mechanism of the present invention;

fig. 4 is an enlarged schematic structural diagram of B in fig. 1 according to the present invention;

fig. 5 is a schematic side view of the fixing mechanism according to the present invention.

In the figure: 1, ejecting a mould; 2, a bottom die; 3, a cavity; 4, injection molding a channel; 5, water cooling channels; 6, a flow stopping mechanism; 601 a motor; 602 a first rotating bar; 603 a turntable; 604 a connecting rod; 605 a control panel; 606 a shutoff plate; 607 a flow-stopping sleeve; 7, a fixing mechanism; 701, fixing blocks; 702 a worm; 703 a threaded handle; 704 a second rotating bar; 705 a worm gear; 706 a transmission rod; 707 fixing the 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. 1-5, the present invention provides a technical solution: a high-precision automobile injection mold comprises a top mold 1, a bottom mold 2 and a cavity 3, wherein an injection channel 4 is formed in the top of the cavity 3, the injection channel 4 is obliquely arranged, and an injection port of the injection channel 4 is provided with a funnel, so that the flow velocity and pressure of fluid can be well reduced during injection molding, the probability of occurrence of product stamping traces is reduced, the funnel enables injection molding work to be more convenient, water cooling channels 5 are formed in the top mold 1 and the bottom mold 2, the water cooling channels 5 are arranged around the cavity 3 in a surrounding manner, a water filling port of the water cooling channel 5 is arranged at the top of the top mold 1, a water outlet of the water cooling channel 5 is arranged on the side surface of the bottom mold 2, a closure mechanism 6 is arranged in the bottom mold 2, and two fixing mechanisms 7 are arranged in the top mold 1;

the intercepting mechanism 6 comprises a motor 601, a first rotating rod 602, a rotating disc 603, a connecting rod 604, a control panel 605, an intercepting plate 606 and an intercepting sleeve 607, a bottom die 2 is internally provided with a working groove, a sliding groove and a positioning groove, the working groove is communicated with the sliding groove, the sliding groove is communicated with a water-cooling channel 5, the water-cooling channel 5 is communicated with the positioning groove, the motor 601 is fixedly connected with the inner wall of the working groove, the motor 601 is a stepping motor and is convenient for periodically replacing water in the water-cooling channel 5, so that the water-cooling effect is obviously improved, one end of the first rotating rod 602 is fixedly connected with the rotating end of the motor 601, the rotating disc 603 is fixedly connected with the other end of the first rotating rod 602, the connecting rod 604 is fixedly connected with the surface of the rotating disc 603, one end of the connecting rod 604 is provided with an anti-falling cap to prevent the control panel 605 from being separated from the connecting rod 604, so that the intercepting work cannot be carried out, the surface of the control panel is provided with a sliding opening, the control plate 605 is sleeved on the side surface of the connecting rod 604 through a sliding opening, one end of the cut-off plate 606 is fixedly connected to the bottom of the control plate 605, the cut-off plate 606 is in sliding connection in the sliding groove, the side surface of the cut-off plate 606 is in contact with the inner wall of the sliding groove to prevent the cut-off plate 606 from deviating, so that the cut-off work fails and the cut-off work cannot be well completed, the cut-off sleeve 607 is fixedly sleeved on the other end of the cut-off plate 606, the cut-off sleeve 607 is in sliding insertion connection with the positioning groove through the cut-off plate 606, the cut-off sleeve 607 is made of rubber which provides good water retaining effect for the cut-off sleeve 607 so that water in the water cooling channel 5 can stop flowing and is convenient for the water cooling work, the cut-off mechanism 6 is arranged to fully fill the water in the water cooling channel 5, so as to more comprehensively perform water cooling heat dissipation on the high-precision automobile injection mold and prevent the poor molding effect caused by uneven heat dissipation, further, the use effect of the high-precision automobile injection mold is more excellent;

the two fixing mechanisms 7 are symmetrically arranged at two sides of the cavity 3 by taking the cavity 3 as a symmetry axis, each fixing mechanism 7 comprises a fixing block 701, a worm 702, a threaded handle 703, a second rotating rod 704, a worm wheel 705, a transmission rod 706 and a fixing rod 707, a fixing groove is formed at the bottom of the top die 1, a worm groove, a worm wheel groove and a rotating groove are formed in the top die 1, the worm groove is communicated with the worm wheel groove, the worm wheel groove is communicated with the rotating groove, the rotating groove is communicated with the fixing groove, the fixing block 701 is fixedly connected to the top of the bottom die 2, the fixing block 701 is in sliding insertion with the fixing groove, a clamping groove is formed in the side surface of the fixing block 701, one end of the worm 702 is rotatably connected into the worm groove through a first bearing, the other end of the worm 702 extends to the outside of the top die 1, the threaded handle 703 is fixedly connected to one end of the worm 702, the threaded handle 703 is arranged outside the top die 1, and the threaded handle 703 is made of wood, the surface of the threaded handle 703 is provided with anti-slip threads, so that an operator can conveniently operate the threaded handle 703 and prevent misoperation caused by sliding, the second rotating rod 704 is rotatably connected to the inner wall of the worm gear groove through a second bearing, the worm gear 705 is fixedly sleeved on the surface of the second rotating rod 704 and is meshed with the worm 702, the worm gear 705 is driven through the arranged worm 702 and the worm gear 705, the self-locking capability is realized, the top die 1 and the bottom die 2 cannot be automatically loosened under the locking condition, the stability of the structure is improved, one end of the driving rod 706 is fixedly connected to the surface of the second rotating rod 704, the other end of the driving rod 706 extends into the rotating groove, the fixing rod 707 is fixedly connected to the other end of the driving rod 706, one end of the fixing rod 707 is rotatably inserted into the clamping groove on the surface of the fixing block 701, the fixing rod 707 is an arc-shaped rod, and can more tightly lock the fixing block 701 through the rotation of the arc-shaped rod, the fixing block 701 is locked by the fixing rod 707, so that the top mold 1 and the bottom mold 2 are connected more tightly, and a gap is prevented from being generated between the top mold 1 and the bottom mold 2, so that the injection molding effect of the high-precision automobile injection mold is poor, and the molding precision of the high-precision automobile injection mold is improved.

The utility model discloses a theory of operation: when the high-precision automobile injection mold is used, the top mold 1 is inserted into the fixed block 701 on the bottom mold 2 through the fixed groove, then the threaded handle 703 is rotated, the worm 702 is rotated, the worm wheel 705 is rotated and drives the second rotating rod 704 to rotate, the transmission rod 706 is rotated, the fixed rod 707 is rotated and inserted into the clamping groove of the fixed block 701 and is screwed through the threaded handle 703, then injection molding is performed into the cavity 3 through the injection molding channel 4, after the injection molding is completed, water is injected into the water injection port of the water cooling channel 5, then the motor 601 is started, the rotating end of the motor 601 rotates and drives the first rotating rod 602 to rotate, so that the rotating disk 603 rotates and drives the connecting rod 604 to rotate, the sliding opening of the connecting rod 604 in the control board 605 slides, so that the cutoff sleeve 607 is inserted into the fixed groove, the motor 601 stops working, and cutoff work is performed, so that cold water in the water cooling channel 5 is continuously filled. The inside of the cavity 3 is more comprehensively radiated, then the motor 601 continues to work, the intercepting sleeve 607 is separated from the positioning groove, hot water in the water cooling channel 5 is discharged, water is stored again, the operation is carried out repeatedly, and the top die 1 and the bottom die 2 are comprehensively radiated.

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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model provides a high accuracy car injection mold, includes top mould (1), die block utensil (2) and cavity (3), its characterized in that: an injection molding channel (4) is formed in the top of the cavity (3), water cooling channels (5) are formed in the top mold (1) and the bottom mold (2), the water cooling channels (5) are arranged around the cavity (3), a water injection port of each water cooling channel (5) is formed in the top of the top mold (1), a water outlet of each water cooling channel (5) is formed in the side face of the bottom mold (2), a closure mechanism (6) is arranged in the bottom mold (2), and two fixing mechanisms (7) are arranged in the top mold (1);

the intercepting mechanism (6) comprises a motor (601), a first rotating rod (602), a rotating disc (603), a connecting rod (604), a control plate (605), an intercepting plate (606) and an intercepting sleeve (607), a working groove, a sliding groove and a positioning groove are formed in the bottom die (2), the working groove and the sliding groove are communicated, the sliding groove is communicated with a water cooling channel (5), the water cooling channel (5) is communicated with the positioning groove, the motor (601) is fixedly connected to the inner wall of the working groove, one end of the first rotating rod (602) is fixedly connected to the rotating end of the motor (601), the rotating disc (603) is fixedly connected to the other end of the first rotating rod (602), the connecting rod (604) is fixedly connected to the surface of the rotating disc (603), a sliding opening is formed in the surface of the control plate (605), the control plate (605) is sleeved on the side face of the connecting rod (604) through the sliding opening, one end of the intercepting plate (606) is fixedly connected to the bottom of the control plate (605), the intercepting plate (606) is in sliding connection in the sliding groove, the intercepting sleeve (607) is fixedly sleeved at the other end of the intercepting plate (606), and the intercepting sleeve (607) is in sliding insertion connection with the positioning groove through the sliding of the intercepting plate (606);

the two fixing mechanisms (7) are symmetrically arranged at two sides of the cavity (3) by taking the cavity (3) as a symmetry axis, each fixing mechanism (7) comprises a fixing block (701), a worm (702), a threaded handle (703), a second rotating rod (704), a worm wheel (705), a transmission rod (706) and a fixing rod (707), fixing grooves are formed in the bottom of the top die (1), worm grooves, worm wheel grooves and rotating grooves are formed in the top die (1), the worm grooves and the worm wheel grooves are communicated, the worm wheel grooves and the rotating grooves are communicated, the rotating grooves and the fixing grooves are communicated, the fixing blocks (701) are fixedly connected to the tops of the bottom dies (2), the fixing blocks (701) are in sliding insertion connection with the fixing blocks (701), clamping grooves are formed in the side faces of the fixing blocks (701), one ends of the worms (702) are rotatably connected in the worm grooves through first bearings, the other end of the worm (702) extends to the outside of the top die (1), the threaded handle (703) is fixedly connected to one end of the worm (702), the threaded handle (703) is arranged on the outside of the top die (1), the second rotating rod (704) is rotatably connected to the inner wall of a worm wheel groove through a second bearing, the worm wheel (705) is fixedly sleeved on the surface of the second rotating rod (704), the worm wheel (705) is meshed with the worm (702), one end of the transmission rod (706) is fixedly connected to the surface of the second rotating rod (704), the other end of the transmission rod (706) extends to the rotating groove, the fixing rod (707) is fixedly connected to the other end of the transmission rod (706), and one end of the fixing rod (707) is rotatably inserted into the clamping groove on the surface of the fixing block (701).

2. The high-precision automobile injection mold according to claim 1, characterized in that: the injection molding channel (4) is obliquely arranged, and an injection molding opening of the injection molding channel (4) is provided with a funnel.

3. The high-precision automobile injection mold according to claim 1, characterized in that: one end of the connecting rod (604) is provided with an anti-falling cap.

4. The high-precision automobile injection mold according to claim 1, characterized in that: the side surface of the intercepting plate (606) is contacted with the inner wall of the sliding groove.

5. The high-precision automobile injection mold according to claim 1, characterized in that: the material of the flow stopping sleeve (607) is rubber.

6. The high-precision automobile injection mold according to claim 1, characterized in that: the threaded handle (703) is made of wood, and anti-skid threads are arranged on the surface of the threaded handle (703).

7. The high-precision automobile injection mold according to claim 1, characterized in that: the fixing rod (707) is an arc-shaped rod.

8. The high-precision automobile injection mold according to claim 1, characterized in that: the motor (601) is a stepping motor.