CN213382684U - Injection mold capable of accelerating cooling forming - Google Patents

Abstract

The utility model discloses an injection mold capable of accelerating cooling molding, which belongs to the technical field of injection molds and comprises a mold stretching block, wherein a stretching groove is arranged inside the mold stretching block, a sliding block is sleeved inside the stretching groove, a pushing rod is fixedly connected with the left end of the sliding block, a sealing rubber block is fixedly connected with the top end of the pushing rod, a first mold plate is fixedly connected with the right side of the mold stretching block, a cavity is arranged on the left side of the first mold plate, a cooling fin is fixedly inserted and connected with the left end of the first mold plate, a ventilation hole is arranged on the right end of the first mold plate, a pushing plate is overlapped on the right end of the first mold plate, a second mold plate is overlapped on the right end of the pushing plate, the attraction force formed by the cavity can be expanded when the mold is taken off, the cold air around the mold is absorbed to cool the inside of the mold, and the hot air inside is discharged when the mold is closed, the cooling efficiency of the injection molding process can be accelerated, and the production quality of products is enhanced.

Description

Injection mold capable of accelerating cooling forming

Technical Field

The utility model relates to an injection mold technical field, more specifically say, relate to an injection mold that can accelerate cooling forming.

Background

Injection molding is a method for producing a model of an industrial product, and the product is generally produced by using rubber injection molding and plastic injection molding, and the injection molding can be divided into injection molding press molding and die casting.

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

The existing injection mold has weak cooling capacity, overhigh mold temperature and easy mold sticking, can generate obvious bright spots at local parts of a plastic part, can cause thermal decomposition of a melt, increases the shrinkage rate of a product in the air after the product comes out, and reduces the size of the product.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a can accelerate cooling forming's injection mold, it can utilize the appeal that the space enlarges formation when taking off the piece, absorbs the peripheral cold air of mould and cools down to the mould inside, and the inside hot-air of discharging during the compound die simultaneously can accelerate the cooling efficiency of the process of moulding plastics, strengthens the production quality of product.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An injection mold capable of accelerating cooling forming comprises a mold stretching block, wherein a stretching groove is formed in the mold stretching block, a sliding block is sleeved in the stretching groove, a pushing rod is fixedly connected to the left end of the sliding block, a sealing rubber block is fixedly connected to the top end of the pushing rod, a first mold plate is fixedly connected to the right side of the mold stretching block, a cavity is formed in the left side of the first mold plate, a cooling fin is fixedly inserted and connected to the left end of the first mold plate, a ventilation hole is formed in the right end of the first mold plate, a pushing plate is connected to the right end of the first mold plate in a lap joint mode, a second mold plate is connected to the right end of the pushing plate in a lap joint mode, a male mold injection module is fixedly connected to the middle of the left side of the second mold plate, attraction force formed by expanding of the cavity in a piece removing process can be utilized, and cold air around the, meanwhile, hot air inside the mold is discharged during mold closing, so that the cooling efficiency in the injection molding process can be accelerated, and the production quality of products is enhanced.

Furthermore, the left end in ventilation hole is equipped with the cavity, the surface around the cavity end is located the tensile piece of mould of keeping away from in ventilation hole increases area for the radiating process.

Furthermore, the cooling fin is positioned in the cavity on the left half part, the cooling fin is positioned in the first die plate on the right half part, the first die plate is made of copper, the length of the first die plate is matched with the width of the cavity, the heat dissipation area is increased, the heat conduction speed is increased, and sufficient heat dissipation is facilitated.

Furthermore, the upper end and the lower end of the pushing plate are fixedly connected with distance screws, and pull plates are sleeved outside the distance screws, so that automatic demolding is facilitated, and the operation process of operators is simplified.

Furthermore, the lower ends of the die stretching block, the first die plate and the stripper plate are provided with limiting holes, and the bottom of the second die plate is fixedly connected with a guide rail, so that the positioning process during die assembly is simplified, and the running stability of the equipment is improved.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the attractive force formed by the expansion of the cavity when the mold is taken off can be utilized, cold air at the periphery of the mold is absorbed to cool the interior of the mold, and meanwhile, hot air in the mold is discharged during mold closing, so that the cooling efficiency of the injection molding process can be accelerated, and the production quality of products is enhanced.

(2) The left end in ventilation hole is equipped with the cavity, and the surface around the cavity end is located the tensile piece of mould of keeping away from in ventilation hole increases area for the radiating process.

(3) The cooling fin is positioned in the cavity at the left half part, and the cooling fin is positioned in the first die plate at the right half part, the first die plate is made of copper, the length of the first die plate is matched with the width of the cavity, the heat dissipation area is increased, the heat conduction speed is increased, and the sufficient heat dissipation is facilitated.

(4) The equal fixedly connected with distance screw of the upper and lower ends of pushing away the board, the arm-tie has been cup jointed to the outside of distance screw, and the automatic drawing of patterns of being convenient for simplifies operating personnel's operation process.

(5) Spacing holes are formed in the lower ends of the die stretching block, the first die plate and the stripper plate, and the bottom of the second die plate is fixedly connected with a guide rail, so that the positioning process during die assembly is simplified, and the running stability of equipment is improved.

Drawings

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

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is the utility model discloses a connection structure schematic diagram of first mould board and ventilation hole.

The reference numbers in the figures illustrate:

1. a die stretching block; 2. a drawing tank; 3. a slider; 4. a push rod; 5. sealing the rubber block; 6. a first mold plate; 7. a cavity; 8. a cooling fin; 9. a vent hole; 10. a distance screw; 11. pulling a plate; 12. a second mold plate; 13. a male die injection molding module; 14. a stripper plate; 15. a guide rail.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, an injection mold capable of accelerating cooling molding comprises a mold stretching block 1, a stretching groove 2 is formed in the mold stretching block 1, a sliding block 3 is sleeved in the stretching groove 2, a push rod 4 is fixedly connected to the left end of the sliding block 3, a sealing rubber block 5 is fixedly connected to the top end of the push rod 4, a first mold plate 6 is fixedly connected to the right side of the mold stretching block 1, a cavity 7 is formed in the left side of the first mold plate 6, a cooling fin 8 is fixedly inserted in the left end of the first mold plate 6, a vent hole 9 is formed in the right end of the first mold plate 6, a push plate 14 is connected to the right end of the first mold plate 6 in a lap joint manner, a second mold plate 12 is connected to the right end of the push plate 14 in a lap joint manner, a male mold injection module 13 is fixedly connected to the middle portion of the left side of the second mold plate 12, and the suction force formed by the cavity expansion during mold release can, meanwhile, hot air inside the mold is discharged during mold closing, so that the cooling efficiency in the injection molding process can be accelerated, and the production quality of products is enhanced.

Referring to fig. 2, the left end of the vent hole 9 is provided with a cavity 7, the end of the vent hole 9 far from the cavity 7 is located on the front and rear outer surfaces of the die drawing block 1 to increase the ventilation area and accelerate the heat dissipation process, the left half portion of the cooling fin 8 is located inside the cavity 7, the right half portion of the cooling fin 8 is located inside the first die plate 6, the first die plate 6 is made of copper, the length of the first die plate 6 is matched with the width of the cavity 7, the heat dissipation area is increased, the heat conduction rate is accelerated, and sufficient heat dissipation is facilitated.

Referring to fig. 1, the upper end and the lower end of the stripper plate 14 are fixedly connected with distance screws 10, the exterior of the distance screws 10 is sleeved with a pulling plate 11, so that automatic demolding is facilitated, and the operation process of an operator is simplified, the lower ends of the die stretching block 1, the first die plate 6 and the stripper plate 14 are provided with limiting holes, and the bottom of the second die plate 12 is fixedly connected with a guide rail 15, so that the positioning process during die assembly is simplified, and the stability of the operation of the equipment is improved.

During the use, in the drawing of patterns in-process, at first the motion of impulse lever 4 left side, drive sliding block 3 and sealing rubber piece 5 and slide in stretching groove 2 is inside, the scope grow of cavity 7, inside production appeal, outside cold air is from the ventilation hole 9 of front and back end, through first mould board 6, reach the inside of cavity 7 after absorbing the inside heat of first mould board 6, and the heat conduction is sent with the heat generation with cooling fin 8 full contact in cavity 7 inside, cools down first mould board 6.

And the pushing rod 4 is moved continuously until the workpiece holds the male die injection molding module 13 tightly, the workpiece is stopped at the original position, and the workpiece is moved continuously until the pulling plate 11 contacts the distance screw 10, and the distance screw 10 drives the pushing plate 14 to move leftwards to pull out the workpiece.

When the mold is closed, the push rod 4 is moved to the right along the direction of the guide rail 15, and hot air in the cavity 7 is extruded and exhausted to the outside from the vent hole 9, so that the heat in the equipment is reduced.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a can accelerate cooling shaping injection mold, includes tensile piece of mould (1), its characterized in that: a stretching groove (2) is arranged inside the die stretching block (1), a sliding block (3) is sleeved inside the stretching groove (2), a push rod (4) is fixedly connected at the left end of the sliding block (3), a sealing rubber block (5) is fixedly connected at the top end of the push rod (4), the right side of the die stretching block (1) is fixedly connected with a first die plate (6), a cavity (7) is arranged at the left side of the first mould plate (6), a cooling fin (8) is fixedly inserted at the left end of the first mould plate (6), the right end of the first mould plate (6) is provided with a vent hole (9), the right end of the first mould plate (6) is lapped with a stripper plate (14), the right end of the stripper plate (14) is lapped with a second mould plate (12), and the middle part of the left side of the second mold plate (12) is fixedly connected with a male mold injection molding module (13).

2. An injection mold capable of accelerating cooling molding according to claim 1, wherein: the left end in ventilation hole (9) is equipped with cavity (7), the surface around cavity (7) end is located the tensile piece of mould (1) of keeping away from of ventilation hole (9).

3. An injection mold capable of accelerating cooling molding according to claim 1, wherein: the cooling fin (8) is located the inside of cavity (7) on the left half, and cooling fin (8) is located the inside of first mould board (6) on the right half, the material of first mould board (6) is copper, the length of first mould board (6) and the width phase-match of cavity (7).

4. An injection mold capable of accelerating cooling molding according to claim 1, wherein: the upper end and the lower end of the pushing plate (14) are fixedly connected with distance screws (10), and pull plates (11) are sleeved outside the distance screws (10).

5. An injection mold capable of accelerating cooling molding according to claim 1, wherein: the lower ends of the die stretching block (1), the first die plate (6) and the stripper plate (14) are all provided with limiting holes, and the bottom of the second die plate (12) is fixedly connected with a guide rail (15).

Images