CN219311906U

CN219311906U - High-temperature hot runner mold with heat insulation plate

Info

Publication number: CN219311906U
Application number: CN202223595478.2U
Authority: CN
Inventors: 程树年
Original assignee: Suzhou Job Molding Solutions Co ltd
Current assignee: Suzhou Job Molding Solutions Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-07-07
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a high-temperature hot runner mold with a heat insulation plate, and relates to the technical field of molds. The automatic feeding device comprises a lower base plate and an upper base plate, wherein the lower die holder is arranged on the upper surface of the lower base plate, a mounting groove is formed in the lower surface of the lower die holder, a material ejecting mechanism is arranged on the upper surface of the lower base plate corresponding to the mounting groove, a heat insulation mechanism is fixedly arranged on the lower surface of the upper base plate, the upper die holder is fixedly arranged on the lower surface of the heat insulation baffle, and an upper die core is fixedly arranged on the lower surface of the upper die holder and at the position corresponding to the lower die core. According to the utility model, the heat insulation mechanism is added to avoid high-temperature conduction of the die to the injection molding machine, so that the injection molding machine is safe to use, long in service life and convenient to take out the machined parts, and meanwhile, the upper die holder is guided, so that the buffer function between the upper die holder and the lower die holder is increased, and collision damage between the upper die holder and the lower die holder is avoided.

Description

High-temperature hot runner mold with heat insulation plate

Technical Field

The utility model relates to the technical field of molds, in particular to a high-temperature hot runner mold with a heat insulation plate.

Background

Because some injection molding raw materials are very cold-setting materials, when the raw materials enter the mold from a hot runner, the raw materials are frozen in the instant of cooling, and cannot flow forward continuously, and cannot fill the whole mold cavity, high-temperature oil is injected into holes uniformly distributed in the moving and fixed mold cores, the high-temperature oil is conducted to the moving and fixed mold cores, so that the moving and fixed mold cores are kept in the high-temperature environment required by the material flow, the raw materials cannot be cooled when flowing through the mold cores, the whole mold cavity is filled, a finished product is smoothly manufactured, at the moment, the mold can be heated integrally under the action of the high-temperature oil, and because of the heat conductivity of metal, the heat can be conducted to an injection molding machine and further spread, the mold is heated continuously, and the heat energy is spread in a large area, and the heat efficiency is low, so that the high-temperature plastic mold has the following problems when in use:

1. in the prior art, the mold cannot insulate heat, so that high temperature is conducted to the injection molding machine, parts of the injection molding machine are used in a high-temperature state for a long time, damage to the parts of the injection molding machine is seriously caused, and the service life is greatly shortened;

2. in the prior art, after injection molding is finished, a machined workpiece is difficult to take out, and the external material taking part is required to be manually buckled or added, so that the die is large in size and the production cost is increased.

Disclosure of Invention

The utility model provides a high-temperature runner mold with a heat insulation plate, which has the advantages of avoiding high-temperature conduction of the mold to an injection molding machine, prolonging the service life of the injection molding machine, facilitating the taking of a piece, guiding an upper mold base, and avoiding the impact damage between the upper mold base and a lower mold base so as to solve the problems that the mold cannot insulate heat, the injection molding machine is damaged, the service life is short, the taking process is inconvenient and the production cost is increased.

In order to achieve the purpose of avoiding high-temperature conduction of a die to an injection molding machine, prolonging the service life of the injection molding machine, facilitating piece taking, guiding an upper die holder and avoiding collision damage between the upper die holder and a lower die holder, the utility model provides the following technical scheme: the utility model provides a high temperature hot runner mold with heat insulating board, includes lower bolster and upper padding plate, the upper surface of lower bolster is provided with the die holder, the upper surface of die holder is provided with the die holder down, the mounting groove has been seted up to the lower surface of die holder, the corresponding lower bolster upper surface of mounting groove is provided with the elastic material mechanism, the lower surface fixed mounting of upper padding plate has thermal-insulated mechanism, thermal-insulated mechanism includes thermal-insulated baffle and cooling tube, thermal-insulated baffle fixed mounting is in upper padding plate lower surface, the cooling tube has evenly been laid around the thermal-insulated baffle, thermal-insulated baffle's lower surface fixed mounting has the die holder, the corresponding position fixed mounting of die holder lower surface and die holder has the die holder.

As a preferable technical scheme of the utility model, the material ejecting mechanism comprises a spring, a moving plate, push rods, guide rods and guide holes, wherein the spring is fixedly arranged on the upper surface of a lower base plate, the moving plate is fixedly arranged between the upper surfaces of the spring, the push rods are uniformly arranged in the middle of the upper surface of the moving plate and movably inserted into a lower mold core, the guide rods are fixedly arranged at four corners of the moving plate in rectangular shapes, the guide holes are formed in positions, corresponding to the guide rods, of a lower mold base, and the guide rods are movably inserted into the guide holes.

As a preferable technical scheme of the utility model, the left and right sides of the movable plate are fixedly provided with the sliding blocks, the side walls of the corresponding mounting grooves of the sliding blocks are provided with the sliding grooves, and the sliding blocks are movably arranged in the sliding grooves.

As a preferable technical scheme of the utility model, through holes are formed in positions of the lower die base, the lower die core and the push rod, which correspond to each other.

As a preferable technical scheme of the utility model, a limiting block is arranged on the upper surface of the push rod, and the upper surface of the limiting block is level with the inner wall of the lower side of the lower mold core.

As a preferable technical scheme of the utility model, a hopper is fixedly arranged on the upper surface of the upper base plate at a position corresponding to the runner bushing.

As a preferable technical scheme of the utility model, the heat insulation baffle is made of superfine glass fiber and high heat-resistant composite materials, and the radiating pipe is made of copper materials.

As a preferable technical scheme of the utility model, a pressing rod is fixedly arranged on the lower surface of the upper die holder at a position corresponding to the guide rod, and the pressing rod is movably inserted into the guide hole.

As a preferable technical scheme of the utility model, runner bushings are arranged at corresponding positions on the upper base plate, the heat insulation baffle, the upper die holder and the upper die core.

Compared with the prior art, the utility model provides a high-temperature hot runner mold with a heat insulation plate, which has the following beneficial effects:

1. this have high temperature hot runner mould of heat insulating board dispels the heat to the upper die base through setting up the cooling tube in the thermal-insulated mechanism, and thermal-insulated baffle increases simultaneously and hinders hot effect, avoids mould high temperature conduction to give the injection molding machine, makes injection molding machine safe in utilization, increases long service life.

2. This have high temperature hot runner mould of heat insulating board through setting up spring mechanism spring promotion movable plate and upwards move, makes the push rod pop out injection moulding's work piece in the lower mold core through the stopper, is convenient for get the material, and the depression bar inserts in locating the guiding hole simultaneously and leads the upper die base reciprocate the process, makes upper mold core and lower mold core block more accurate, and the depression bar offsets with the guide bar, increases buffer function between upper die base and the die holder, avoids upper die base and die holder and upper die core and the side striking damage that the die core faced mutually down.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is an enlarged view of the utility model at a.

In the figure: 1. a lower backing plate; 2. an upper backing plate; 3. a lower die holder; 4. a lower mold core; 5. a mounting groove; 6. a material ejecting mechanism; 601. a spring; 602. a moving plate; 603. a push rod; 604. a guide rod; 605. a guide hole; 7. a heat insulation mechanism; 701. a thermal shield; 702. a heat radiating pipe; 8. an upper die holder; 9. an upper mold core; 10. a compression bar; 11. a runner bushing; 12. a slide block; 13. a chute; 14. a through hole; 15. a limiting block; 16. and (5) a charging hopper.

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. 1-3, the utility model discloses a high-temperature hot runner mold with a heat insulation plate, which comprises a lower base plate 1 and an upper base plate 2, wherein a lower die holder 3 is arranged on the upper surface of the lower base plate 1, a lower die core 4 is arranged on the upper surface of the lower die holder 3, a mounting groove 5 is formed in the lower surface of the lower die holder 3, a material ejection mechanism 6 is arranged on the upper surface of the lower base plate 1 corresponding to the mounting groove 5, the material ejection mechanism 6 comprises a spring 601, a moving plate 602, a push rod 603, a guide rod 604 and a guide hole 605, the spring 601 is fixedly arranged on the upper surface of the lower base plate 1, the moving plate 602 is fixedly arranged between the upper surfaces of the spring 601, push rods 603 are uniformly arranged in the middle of the upper surface of the moving plate 602, the push rods 603 are movably inserted into the lower die core 4, the guide rods 604 are fixedly arranged in rectangular shapes at four corners, the lower die holder 3 are provided with guide holes 605 corresponding to the guide rods 604, the guide rods 604 are movably inserted into the guide holes 605, the lower surface of the upper base plate 2 is fixedly provided with a heat insulation mechanism 7, the heat insulation mechanism 7 comprises heat insulation pipes 702, the heat insulation mechanism 702 is fixedly arranged on the lower surface of the heat insulation plate 702 and is fixedly arranged on the upper surface of the heat insulation plate 8, and the heat insulation plate is fixedly arranged on the upper surface of the heat insulation plate 8 corresponding to the heat insulation plate 8, and the heat insulation plate is fixedly arranged on the upper surface of the heat insulation plate 702.

Specifically, the sliding blocks 12 are fixedly installed on the left and right sides of the moving plate 602, the sliding grooves 13 are formed in the side walls of the installation grooves 5 corresponding to the sliding blocks 12, and the sliding blocks 12 are movably installed in the sliding grooves 13.

In this embodiment, the slider 12 moves up and down in the chute 13 to guide the up and down movement of the moving plate 602, so that the up and down movement of the moving plate 602 is more stable.

Specifically, through holes 14 are formed in positions of the lower die holder 3, the lower die core 4 and the push rod 603 corresponding to each other.

In this embodiment, the through hole 14 facilitates the installation of the push rod 603, so that the push rod 603 can move up and down.

Specifically, the upper surface of the push rod 603 is provided with a limiting block 15, and the upper surface of the limiting block 15 is level with the inner wall of the lower side of the lower mold core 4.

In this embodiment, the limiting block 15 is in threaded connection with the push rod 603, so that the limiting block 15 is convenient to replace, and meanwhile, the push rod 603 is limited, and injection molding materials are prevented from flowing into the through hole 14.

Specifically, a hopper 16 is fixedly installed on the upper surface of the upper backing plate 2 at a position corresponding to the runner bushing 11.

In this embodiment, the hopper 16 facilitates the material in the injection molding machine to flow into the sprue bushing 11, and is not prone to leakage.

Specifically, the heat insulation baffle 701 is made of ultrafine glass fiber and high heat-resistant composite material, and the radiating tube 702 is made of copper material.

In this embodiment, the heat insulation baffle 701 has better heat insulation effect, and the heat dissipation efficiency of the heat dissipation tube 702 is faster.

Specifically, a pressing rod 10 is fixedly installed on the lower surface of the upper die holder 8 at a position corresponding to the guide rod 604, and the pressing rod 10 is movably inserted into the guide hole 605.

In this embodiment, the pressing rod 10 is movably inserted into the guide hole 605, so that the upper die holder 8 can be conveniently and rapidly installed, and the installation position is more accurate.

Specifically, runner bushings 11 are disposed at corresponding positions on the upper backing plate 2, the heat insulation baffle 701, the upper die holder 8 and the upper die core 9.

In this embodiment, the sprue bushing 11 facilitates the flow of the feedstock solution through the upper backing plate 2, the heat shield 701, the upper die holder 8 and the upper die core 9 into the lower die core 4.

The working principle and the using flow of the utility model are as follows: when the injection molding machine is used, the upper base plate 2 drives the upper mold core 9 on the lower surface of the upper mold base 8 to move downwards, the upper mold core 9 and the lower mold core 4 are clamped with each other, the upper mold base 8 drives the pressure rod 10 to move downwards in the clamping process, the pressure rod 10 pushes the guide rod 604 to move downwards, the guide rod 604 compresses the spring 601 through the moving plate 602, the buffer function between the upper mold base 8 and the lower mold base 3 is increased, the impact damage of the upper mold base 8, the lower mold base 3 and the side surface of the upper mold core 9, which are opposite to the lower mold core 4, is avoided, the moving plate 602 drives the push rod 603 to move downwards, after injection molding is completed, the pressure rod 10 is reset, the downward force applied to the spring 601 disappears, the spring 601 drives the limit block 15 on the upper surface of the push rod 603 to move upwards, parts of injection molding are ejected out, the heat-blocking effect is increased through the heat-dissipating pipe 702 in the heat-insulating mechanism 7 in the injection molding process, the high-temperature conduction of the mold is avoided, the injection molding machine is safe to use, and the service life is prolonged.

To sum up, this high temperature hot runner mould that has heat insulating board avoids mould high temperature conduction to give the injection molding machine through increasing thermal insulation mechanism 7, makes the injection molding machine safe in utilization, increases long service life, makes the part be convenient for take out after processing through the magazine 6, leads upper die holder 8 simultaneously, increases buffer function between upper die holder 8 and the die holder 3, avoids striking each other to damage.

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 a high temperature hot runner mold with heat insulating board, includes lower bolster (1) and upper bolster (2), its characterized in that: the upper surface of the lower base plate (1) is provided with a lower die holder (3), the upper surface of the lower die holder (3) is provided with a lower die core (4), the lower surface of the lower die holder (3) is provided with a mounting groove (5), and the upper surface of the lower base plate (1) corresponding to the mounting groove (5) is provided with a material ejection mechanism (6);

the lower surface fixed mounting of upper padding plate (2) has thermal-insulated mechanism (7), thermal-insulated mechanism (7) are including thermal-insulated baffle (701) and cooling tube (702), thermal-insulated baffle (701) fixed mounting is in upper padding plate (2) lower surface, cooling tube (702) have evenly been laid around thermal-insulated baffle (701), the lower surface fixed mounting of thermal-insulated baffle (701) has upper die base (8), upper die base (8) lower surface and lower die core (4) corresponding position fixed mounting have upper die core (9).

2. A high temperature hot runner mold with heat shield according to claim 1, wherein: the spring mechanism (6) comprises a spring (601), a moving plate (602), a push rod (603), a guide rod (604) and a guide hole (605), wherein the spring (601) is fixedly arranged on the upper surface of the lower base plate (1), the moving plate (602) is fixedly arranged between the upper surfaces of the springs (601), the push rod (603) is uniformly arranged in the middle of the upper surface of the moving plate (602), and the push rod (603) is movably inserted into the lower die core (4).

3. A high temperature hot runner mold with heat shield according to claim 2, wherein: guide rods (604) are fixedly mounted at four corners of the moving plate (602) in a rectangular shape, guide holes (605) are formed in positions, corresponding to the guide rods (604), of the lower die holder (3), and the guide rods (604) are movably inserted into the guide holes (605).

4. A high temperature hot runner mold with heat shield according to claim 3, wherein: the sliding blocks (12) are fixedly arranged on the left side surface and the right side surface of the moving plate (602), sliding grooves (13) are formed in the side walls of the corresponding installation grooves (5) of the sliding blocks (12), and the sliding blocks (12) are movably arranged in the sliding grooves (13).

5. The high temperature hot runner mold with heat shield according to claim 4, wherein: through holes (14) are formed in positions, corresponding to the positions of the lower die base (3), the lower die core (4) and the push rod (603).

6. A high temperature hot runner mold with heat shield according to claim 5, wherein: the upper surface of push rod (603) is provided with stopper (15), and stopper (15) upper surface and lower mold core (4) downside inner wall level parallel and level.

7. A high temperature hot runner mold with heat shield according to claim 1, wherein: and a hopper (16) is fixedly arranged on the upper surface of the upper base plate (2) at a position corresponding to the runner bushing (11).

8. A high temperature hot runner mold with heat shield according to claim 1, wherein: the heat insulation baffle plate (701) is made of superfine glass fiber and high heat-resistant composite materials, and the radiating pipe (702) is made of copper materials.

9. A high temperature hot runner mold with heat shield according to claim 5, wherein: and a pressing rod (10) is fixedly arranged on the lower surface of the upper die holder (8) at a position corresponding to the guide rod (604), and the pressing rod (10) is movably inserted into the guide hole (605).

10. A high temperature hot runner mold with heat shield according to claim 1, wherein: runner bushings (11) are arranged at corresponding positions on the upper base plate (2), the heat insulation baffle plate (701), the upper die base (8) and the upper die core (9).