CN218965985U

CN218965985U - Injection mold that heat dissipation is good

Info

Publication number: CN218965985U
Application number: CN202221994572.2U
Authority: CN
Inventors: 梁润红
Original assignee: Guangzhou Lianhe Technology Development Co ltd
Current assignee: Guangzhou Lianhe Technology Development Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-05-05
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses an injection mold with good heat dissipation, which relates to the technical field of injection molds and comprises a lower mold and an upper mold, wherein two through first notches are formed in the front surface of the upper mold, first heat-conducting plates are respectively arranged on inner side walls of the two first notches, which are close to each other, a plurality of first cooling plates which are arranged at equal intervals are fixedly connected to one surfaces of the two first heat-conducting plates, which are far away from each other, and second heat-conducting plates are fixedly connected to the front surface of the upper mold and the back surface of the lower mold. This injection mold that heat dissipation is good, through the cooperation of movable block and first gear, realized the continuous purpose of doing positive and negative circular motion of flabellum, reached the effect of accelerating the air velocity of flow of ventilation pipe top, and then realized carrying out radiating effect to the lower mould, through first heat-conducting plate, third heat-conducting plate, the cooperation of first cooling plate and second cooling plate has realized the purpose of enlarging lower mould and last mould and air contact, has reached the effect of increasing lower mould and last mould heat dispersion capacity.

Description

Injection mold that heat dissipation is good

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with good heat dissipation.

Background

The injection mold generally comprises a movable mold and a fixed mold, the movable mold is arranged on a movable mold plate of the injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, the movable mold and the fixed mold are separated during mold opening so as to take out plastic products, the working condition of the plastic mold is different from that of a cold stamping mold, the plastic mold generally needs to work at 150-200 ℃, and the plastic mold is influenced by temperature besides a certain pressure.

After injection molding is finished, the common injection mold is generally taken out after being naturally cooled and waiting for internal workpiece forming, and most of the injection mold is in a sealed state and is not easy to dissipate heat, so that a long blank period is required for finishing injection molding of one workpiece, and the production efficiency is further affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the injection mold with good heat dissipation performance, and solves the problem of poor heat dissipation performance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the injection mold with good heat dissipation performance comprises a lower mold and an upper mold, wherein the front surface of the upper mold is provided with two penetrating first notches, the inner side walls of the two first notches, which are close to each other, are respectively provided with a first heat-conducting plate, one surfaces of the two first heat-conducting plates, which are far away from each other, are respectively fixedly connected with a plurality of first cooling plates which are arranged in equal distance, the front surface of the upper mold and the back surface of the lower mold are respectively fixedly connected with a second heat-conducting plate, one surfaces of the two second heat-conducting plates, which are far away from each other, are respectively fixedly connected with a plurality of ventilating pipes which are arranged in equal distance, the front surface of the lower mold is provided with two symmetrical second notches, the inner side walls of the two second notches, which are close to each other, are respectively provided with a third heat-conducting plate, one surfaces of the two third heat-conducting plates, which are far away from each other, are respectively fixedly connected with a plurality of second cooling plates which are arranged in equal distance, and the upper surface of the lower mold is fixedly connected with two symmetrical half-grooved plates, the upper surface fixedly connected with backup pad of two half frids, the inside of backup pad is connected with a plurality of equidistance cooling shaft of arranging through the bearing rotation, the equal fixedly connected with first gear of surface of every cooling shaft, the equal fixedly connected with fan dish in bottom of every cooling shaft, the equal fixedly connected with of surface of every fan dish is a plurality of flabellum that are the circumference and arranges, the movable block has been placed to the upper surface of backup pad, the first tooth of a plurality of equidistance arrangements of back fixedly connected with of movable block, every first gear all is connected with the first tooth meshing that is close to rather than, the upper surface of lower mould is connected with the power shaft through the bearing rotation, the surface fixedly connected with half gear of power shaft, the positive fixedly connected with second tooth of a plurality of equidistance arrangements of movable block, and half gear and the second tooth meshing connection that is close to mutually.

As the further description of the technical scheme, four first threaded holes are formed in one side surface, away from each other, of each of the two first heat conducting plates, the four first threaded holes are arranged in a matrix, and a user can conveniently detach the first heat conducting plates and the first threaded holes through the first threaded holes, so that convenience of the user is improved.

As the further description of the technical scheme, four second threaded holes are formed in one side surface, away from each other, of the two third heat conducting plates, the four second threaded holes are arranged in a matrix, and a user can conveniently detach the third heat conducting plates and the second threaded holes through the second threaded holes, so that convenience of the user is improved.

As further description of the technical scheme, the T-shaped sliding blocks are fixedly embedded in the two half groove plates, the T-shaped sliding blocks are in sliding connection with the moving blocks, and the moving blocks can stably do reciprocating motion through the cooperation of the T-shaped sliding blocks and the moving blocks.

As the further description of the technical scheme, the reset plates are fixedly connected to the upper surface of the T-shaped sliding block and the upper surface of the moving block, springs are fixedly connected between the two reset plates, and the moving block can be automatically reset through the springs, so that the overall stability is improved.

As the further description of the technical scheme, the upper surface of the lower die is fixedly connected with two symmetrical stabilizing blocks, a stabilizing ring is fixedly connected between the two stabilizing blocks, a motor is fixedly embedded in the stabilizing ring, the output of the motor is fixedly connected with the top end of the power shaft, and the motor is prevented from shaking in the movement process through the cooperation of the stabilizing blocks and the motor, so that the stability is improved.

As the further description of the technical scheme, four limiting rods which are arranged in a matrix are fixedly connected to the front face of the lower die, the four limiting rods are inserted into the upper die, and the upper die and the lower die are stably closed through the cooperation of the limiting rods and the upper die, so that the stability is improved.

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

1. this injection mold that heat dissipation is good, through the cooperation of movable block and first gear, realized the continuous purpose of doing positive and negative circular motion of flabellum, reached the effect of accelerating the air velocity of flow of ventilation pipe top, and then realized carrying out radiating effect to the lower mould, through first heat-conducting plate, third heat-conducting plate, the cooperation of first cooling plate and second cooling plate has realized the purpose of increaseing lower mould and last mould and air contact, has reached the effect of increasing lower mould and last mould heat dispersion, and then has solved the poor problem of ordinary injection mold heat dispersion.

2. This injection mold that heat dissipation is good has realized the dismantlement to first heat-conducting plate and first screw hole through the cooperation of first screw hole and first heat-conducting plate, has reached the purpose that improves user's convenience, through the cooperation of gag lever post and last mould, has realized the stable closure of last mould and lower mould, has reached the effect that improves stability, through the cooperation of spring and reset plate, has realized the purpose of automatic re-setting of movable block, has reached the fan blade and has constantly done positive and negative pivoted effect.

Drawings

FIG. 1 is a right side view of a lower die of the present utility model;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

FIG. 3 is a front view of the lower die of the present utility model;

fig. 4 is a top view of the lower die of the present utility model.

In the figure: 1. a lower die; 2. an upper die; 3. a first notch; 4. a first heat-conducting plate; 5. a first cooling plate; 6. a second heat-conducting plate; 7. a ventilation pipe; 8. a second notch; 9. a third heat-conducting plate; 10. a second cooling plate; 11. a half-groove plate; 12. a support plate; 13. a cooling shaft; 14. a first gear; 15. a fanning tray; 16. a fan blade; 17. a moving block; 18. a first tooth; 19. a power shaft; 20. a half gear; 21. a second tooth; 22. a first threaded hole; 23. a second threaded hole; 24. a T-shaped slider; 25. a reset plate; 26. a spring; 27. a stabilizing block; 28. a motor; 29. a limit rod; 30. a stabilizing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an injection mold that thermal diffusivity is good, including lower mould 1 and last mould 2, two first notch 3 that run through have been seted up in the front of going up mould 2, first heat-conducting plate 4 has all been placed to the inside wall that two first notch 3 are close to each other, the equal fixedly connected with of one side that two first heat-conducting plates 4 kept away from each other a plurality of equidistance arranged first cooling plate 5, the front of going up mould 2 and the back of lower mould 1 are all fixedly connected with second heat-conducting plate 6, the equal fixedly connected with of one side that two second heat-conducting plates 6 kept away from each other a plurality of equidistance arranged ventilation pipe 7, through the cooperation of ventilation pipe 7 and second heat-conducting plate 6, after the injection molding is accomplished, the inside heat transfer of last mould 2 and lower mould 1 reaches second heat-conducting plate 6, make the external air circulate through ventilation pipe 7, increase and air's area of contact, and then reach the purpose to second heat-conducting plate 6 cooling.

The front of lower mould 1 has seted up two symmetrical second notch 8, the inside wall that two second notch 8 are close to each other has all placed third heat-conducting plate 9, the equal fixedly connected with of one side that two third heat-conducting plates 9 kept away from each other a plurality of equidistance arranged second cooling plate 10, the upper surface fixedly connected with two symmetrical half-groove plates 11 of lower mould 1, the upper surface fixedly connected with backup pad 12 of two half-groove plates 11, the inside of backup pad 12 is connected with a plurality of equidistance arranged cooling shaft 13 through the bearing rotation, the surface of every cooling shaft 13 all fixedly connected with first gear 14, the bottom of every cooling shaft 13 all fixedly connected with fan dish 15, the surface of every fan dish 15 all fixedly connected with a plurality of fan blades 16 that are circumference range, can be located the inside air velocity of ventilation pipe 7 of rearmost fast through the fan blade 16, and then improve the cooling rate of mould.

The movable block 17 is placed on the upper surface of the supporting plate 12, a plurality of first teeth 18 which are arranged at equal intervals are fixedly connected to the back of the movable block 17, each first gear 14 is in meshed connection with the first teeth 18 which are close to the movable block, a power shaft 19 is rotatably connected to the upper surface of the lower die 1 through a bearing, a half gear 20 is fixedly connected to the outer surface of the power shaft 19, a plurality of second teeth 21 which are arranged at equal intervals are fixedly connected to the front of the movable block 17, the half gear 20 is in meshed connection with the second teeth 21 which are close to the half gear, and each second tooth 21 is arranged as a round angle.

Four first screw holes 22 have all been seted up to a side that two first heat-conducting plates 4 kept away from each other, four first screw holes 22 are the matrix arrangement, make things convenient for the user to dismantle first heat-conducting plate 4 and first screw hole 22 through first screw hole 22, and then improved user's convenience, four second screw holes 23 have all been seted up to a side that two third heat-conducting plates 9 kept away from each other, four second screw holes 23 are the matrix arrangement, make things convenient for the user to dismantle third heat-conducting plate 9 and second screw holes 23 through second screw holes 23, and then improved user's convenience, T shape slider 24 has been inlayed to the inside of two half-groove plates 11, and T shape slider 24 and movable block 17 sliding connection, through the cooperation of T shape slider 24 and movable block 17, enable the stable reciprocating motion of movable block 17.

The upper surface of T shape slider 24 and the upper surface of movable block 17 all fixedly connected with reset plate 25, fixedly connected with spring 26 between two reset plates 25, spring 26 is in reset state, can realize the automatic re-setting of movable block 17 through spring 26, and then improved holistic stability, the upper surface fixedly connected with of lower mould 1 two symmetrical stabilization pieces 27, fixedly connected with stabilizer ring 30 between two stabilization pieces 27, the inside fixed motor 28 that inlays of stabilizer ring 30, the output of motor 28 and the top fixed connection of power shaft 19, through stabilizer piece 27 and motor 28's cooperation, the motor 28 appears rocking in the motion process has been avoided, stability has been improved, the positive fixedly connected with of lower mould 1 four gag lever posts 29 that are matrix arrangement, four gag lever posts 29 all peg graft with last mould 2, cooperation through gag lever post 29 and last mould 2, thereby realize the stable closure of last mould 2 and lower mould 1, stability has been improved.

Working principle: firstly, the first heat-conducting plate 4 and the third heat-conducting plate 9 are respectively arranged on the inner side walls of the first notch 3 and the second notch 8 through external bolts, when injection molding is finished, heat brought by external materials in the mold is transferred into the upper mold 2 and the lower mold 1, the heat is absorbed through the first heat-conducting plate 4 and the third heat-conducting plate 9, the heat is absorbed by the first heat-conducting plate 4 and the third heat-conducting plate 9 and dispersed to the first cooling plate 5 and the second cooling plate 10, the cooling speed is further accelerated through the contact of a plurality of the first cooling plates 5 and the second cooling plates 10 with air, the heat dissipation is improved, the power shaft 19 is driven to rotate by the output end of the motor 28, the half gear 20 is driven to rotate by the power shaft 19, and the moving block 17 stably performs linear motion under the limit effect of the T-shaped sliding block 24 when the half gear 20 is meshed with the second tooth 21, simultaneously, the spring 26 is stretched, the first teeth 18 of the moving block 17 drive the first gears 14 which are meshed with the first teeth to rotate, so that the cooling shaft 13 in each first gear 14 rotates, when the cooling shaft 13 rotates, the cooling shaft 13 drives the fan disc 15 and the fan blades 16 which are fixedly connected with the outer surface of the cooling shaft to rotate, the air flow rate above the ventilation pipe 7 is increased, the cooling speed of the ventilation pipe 7 and the second heat-conducting plate 6 is accelerated, the heat dissipation performance of the die is improved, when the half gear 20 rotates to a smooth surface, the moving block 17 loses the meshed limit, the moving block 17 is driven to reset under the reset action of the spring 26, meanwhile, the fan blades 16 can rotate in the reset process of the moving block 17, so that the uninterrupted rotation of the fan blades 16 is realized, the air flow rate is improved, the cooling speed of the upper die 2 and the lower die 1 is accelerated, solves the problem of poor heat dissipation of common injection molds.

It is noted that relational terms such as first and second, and the like are 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides an injection mold that heat dissipation is good, includes lower mould (1) and last mould (2), its characterized in that: the front of the upper die (2) is provided with two penetrating first notches (3), the inner side walls of the two first notches (3) close to each other are respectively provided with a first heat-conducting plate (4), one far away from each other of the two first heat-conducting plates (4) is fixedly connected with a plurality of equidistantly arranged first cooling plates (5), the front of the upper die (2) and the back of the lower die (1) are respectively fixedly connected with a second heat-conducting plate (6), one far away from each other of the two second heat-conducting plates (6) is fixedly connected with a plurality of ventilating pipes (7) which are equidistantly arranged, the front of the lower die (1) is provided with two symmetrical second notches (8), the inner side walls of the two second notches (8) close to each other are respectively provided with a third heat-conducting plate (9), one far away from each other of the two third heat-conducting plates (9) is respectively fixedly connected with a plurality of equidistantly arranged second cooling plates (10), the upper surface of the lower die (1) is fixedly connected with two symmetrical half-grooved plates (11), the upper surface of the two half-grooved plates (11) is fixedly connected with a plurality of support plates (12) which are equidistantly arranged, the inner side shafts (13) are fixedly connected with one cooling plate (13) through the inner side of the bearing (13), the surface of every fan dish (15) is all fixedly connected with a plurality of flabellum (16) that are circumference range, movable block (17) have been placed to the upper surface of backup pad (12), the back fixedly connected with of movable block (17) a plurality of equidistance first tooth (18) of arranging, every first gear (14) all are connected with first tooth (18) meshing that is close to rather than, the upper surface of lower mould (1) is connected with power shaft (19) through the bearing rotation, the surface fixedly connected with half gear (20) of power shaft (19), the positive fixedly connected with second tooth (21) of a plurality of equidistance range of movable block (17), and half gear (20) are connected with second tooth (21) meshing that is close to rather than.

2. The injection mold with good heat dissipation performance according to claim 1, wherein: four first threaded holes (22) are formed in one side surface, away from each other, of the two first heat-conducting plates (4), and the four first threaded holes (22) are arranged in a matrix.

3. The injection mold with good heat dissipation performance according to claim 1, wherein: four second threaded holes (23) are formed in one side surface, away from each other, of the two third heat-conducting plates (9), and the four second threaded holes (23) are arranged in a matrix.

4. The injection mold with good heat dissipation performance according to claim 1, wherein: t-shaped sliding blocks (24) are fixedly embedded in the two half-groove plates (11), and the T-shaped sliding blocks (24) are in sliding connection with the moving blocks (17).

5. The injection mold with good heat dissipation performance according to claim 4, wherein: the upper surface of T shape slider (24) and the upper surface of movable block (17) are all fixedly connected with reset plate (25), fixedly connected with spring (26) between two reset plates (25).

6. The injection mold with good heat dissipation performance according to claim 1, wherein: the upper surface of lower mould (1) fixedly connected with two symmetrical stabilization pieces (27), fixedly connected with stabilizing ring (30) between two stabilization pieces (27), the inside of stabilizing ring (30) is fixed to be inlayed and is had motor (28), the output of motor (28) and the top fixed connection of power shaft (19).

7. The injection mold with good heat dissipation performance according to claim 1, wherein: four limit rods (29) which are arranged in a matrix are fixedly connected to the front face of the lower die (1), and the four limit rods (29) are inserted into the upper die (2).