CN205291444U - A fast cooling plastic injection mold - Google Patents

Abstract

The utility model provides a quick refrigerated plastic injection mold, including last mould, water, notes gluey pipeline, air cavity, fixed block, locking device, water inlet, guide post, shaping room, bed die and gas outlet, go up through locking device fixed connection between mould and the bed die, upward be provided with on the mould and water, air cavity and gas outlet, the top of watering is provided with notes gluey pipeline, the fixed block sets up the bottom at the air cavity, through little spring coupling between fixed block and the flexible piece, and be provided with the through-hole on the flexible piece, upward be provided with water inlet, delivery port on mould and the bed die, the guide post is installed to the bottom of going up the mould, upward be provided with the shaping room between mould and the bed die. Compared with the prior art, the utility model discloses following beneficial effect has: the plastic product is uniformly and quickly cooled, the plastic product is prevented from being deformed and damaged due to incomplete and nonuniform cooling, and the qualification rate of the plastic product is improved.

Description

A fast cooling plastic injection mold

technical field

The utility model relates to a rapidly cooling plastic injection mold, which belongs to the technical field of injection molding machines.

Background technique

Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to the injection of heated and melted materials into the mold cavity by high pressure, and after cooling and solidification, molded products are obtained. Injection molds are divided into thermosetting plastic molds according to their molding characteristics, and there are two types of thermoplastic molds in production; according to the molding process, they are divided into transfer molds. , blow molding mold, casting mold, thermoforming mold, hot pressing mold (compression molding mold), injection mold, etc. Among them, the hot pressing mold can be divided into three types: overflow type, semi overflow type and non overflow type. , The injection mold can be divided into cold runner mold and hot runner mold according to the pouring system; the loading and unloading method can be divided into mobile type and fixed type.

In order to meet the mold temperature requirements of the injection process, a temperature adjustment system is required to adjust the mold temperature. For injection molds for thermoplastics, the cooling system is mainly designed to cool the mold. The common method of mold cooling is to set up a cooling water channel in the mold, and use the circulating cooling water to take away the heat of the mold.

Utility model content

Aiming at the deficiencies of the existing technology, the purpose of this utility model is to provide a fast cooling plastic injection mold to solve the problems raised in the above background technology. The utility model enables uniform cooling and rapid cooling of plastic products, avoiding plastic products Incomplete and uneven cooling causes deformation and damage, which improves the pass rate of plastic products.

In order to achieve the above object, the utility model is achieved through the following technical solutions: a rapidly cooling plastic injection mold, including an upper mold, a runner, a glue injection pipeline, an air cavity, a fixed block, a locking device, a water inlet, Guide column, forming chamber, lower mold and air outlet, the upper mold and the lower mold are fixedly connected by a locking device, the upper mold is provided with a sprue, an air cavity and an air outlet, above the sprue A glue injection pipeline is provided, and the right side of the glue injection pipeline is fixedly connected with a trachea, and the bottom end of the trachea is closely connected with the inner wall of the air cavity, and the fixed block is arranged at the bottom of the air cavity, and the fixed block is connected with the telescopic The blocks are connected by small springs, and the telescopic block is provided with a through hole, the upper mold and the lower mold are provided with a water inlet and a water outlet, the bottom of the upper mold is equipped with a guide column, and the top of the lower mold A groove is installed, and a large spring is arranged in the groove, and a forming chamber is arranged between the upper mold and the lower mold.

Further, an air cavity is provided between the runner and the air outlet, and the runner is arranged on the far right.

Further, the telescopic block is installed inside the runner and the air outlet, and the telescopic block is smoothly connected with the inner wall of the upper mold.

Further, a circulation pipeline is installed between the water inlet and the water outlet.

Further, a guide column is provided between the locking bolt and the forming chamber.

Further, there is a gap connection between the guide column and the large spring in the groove.

Beneficial effects of the utility model: a fast cooling plastic injection mold of the utility model, the setting of the circulation pipeline enables the plastic products to realize uniform cooling and rapid cooling, avoiding deformation and damage of the plastic products due to incomplete and uneven cooling, The combination of the guide column and the large spring in the groove ensures that the upper mold and the lower mold are precisely connected. The air pipe and the air cavity are set so that the telescopic block connected with the small spring can move left and right, ensuring that the plastic will not cool when it is cooling. There are other things entering, and the overall design of the equipment is reasonable, which greatly improves the qualified rate of plastic products.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is the structural representation of a kind of fast cooling plastic injection mold of the present utility model;

Fig. 2 is a top view of a rapidly cooling plastic injection mold of the present invention.

In the figure: 1-upper mold, 2-telescopic block, 3-runner, 4-injection pipe, 5-air pipe, 6-air cavity, 7-fixing block, 8-small spring, 9-through hole, 10- Locking device, 11-water inlet, 12-circulation pipe, 13-guide column, 14-big spring, 15-groove, 16-forming chamber, 17-lower mold, 18-air outlet, 19-water outlet.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

Please refer to Figure 1 and Figure 2, the utility model provides a technical solution: a rapidly cooling plastic injection mold, including the upper mold 1, the runner 3, the injection pipe 4, the air cavity 6, the fixing block 7, the locking Device 10, water inlet 11, guide column 13, forming chamber 16, lower mold 17 and air outlet 18, upper mold 1 and lower mold 17 are fixedly connected by locking device 10, upper mold 1 is provided with runner 3, The air cavity 6 and the air outlet 18 are provided with a glue injection pipeline 4 above the runner 3, and the right side of the glue injection pipeline 4 is fixedly connected with a trachea 5, and the bottom end of the trachea 5 is closely connected with the inner wall of the air cavity 6, and the fixed block 7 Set at the bottom of the air cavity 6, the fixed block 7 and the telescopic block 2 are connected by a small spring 8, and the telescopic block 2 is provided with a through hole 9, and the upper mold 1 and the lower mold 17 are provided with a water inlet 11 and a water outlet 19. A guide column 13 is installed on the bottom of the upper mold 1, a groove 15 is installed on the top of the lower mold 17, and a large spring 14 is arranged in the groove 15, and a forming chamber 16 is arranged between the upper mold 1 and the lower mold 17, An air cavity 6 is provided between the runner 3 and the air outlet 18, and the runner 3 is arranged on the far right, the telescopic block 2 is installed inside the runner 3 and the air outlet 18, and the telescopic block 2 and the inner wall of the upper mold 1 There is a smooth connection between the water inlet 11 and the water outlet 18, a circulation pipe 12 is installed between the locking bolt 10 and the forming chamber 16, and a guide post 13 is set between the guide post 13 and the large spring 14 in the groove 15. Gap junctions.

Working principle: When in use, the guide column 13 is connected with the large spring 14 in the groove 15 as the positioning, and the upper mold 1 and the lower mold 17 are connected. After the connection, the locking device 10 is used to fix the connection, and the injection pipe 4 moves downward. , drive the trachea 5 downward to connect with the air chamber 6, the gas is introduced into the air chamber 6 to make the telescopic block 2 move to the left under the push of the gas, the through hole 9 on the telescopic block 2 coincides with the sprue 3, and the glue injection pipe 4 The plastic is injected through the runner 3, and the plastic finally reaches the forming chamber 16, the plastic injection pipe 4 and the air pipe 5 move upward, the telescopic block 2 returns to its original position driven by the small spring 8, and the water flowing in the circulation pipe 12 absorbs heat, so that The plastic in the forming chamber 16 is cooled and formed, and the gas during the forming period is discharged through the air outlet 18, so that the heat in the forming chamber 16 is dissipated, and the formed plastic is separated from the upper mold 1 and the lower mold 17 by opening the locking device 10, that is, can be removed.

The basic principles and main features of the utility model and the advantages of the utility model have been shown and described above. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the utility model The present utility model can be realized in other specific forms without the spirit or essential features. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to be included in the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. the plastic injection mold of a quick cooling, including mold (1), running channel (3), injecting glue pipeline (4), air cavity (6), fixed block (7), locking device (10), water inlet (11), lead (13), working chamber (16), lower mold (17) and gas outlet (18), it is characterized in that: be connected by locking device (10) is fixing between described mold (1) with lower mold (17), described mold (1) is provided with running channel (3), air cavity (6) and gas outlet (18), described running channel (3) be provided above injecting glue pipeline (4), the right side of described injecting glue pipeline (4) is fixedly connected with trachea (5), the inwall compact siro spinning technology of the bottom of described trachea (5) and air cavity (6), described fixed block (7) is arranged on the bottom of air cavity (6), it is connected by little spring (8) between described fixed block (7) with telescopic block (2), and telescopic block (2) is provided with through hole (9), described mold (1) and lower mold (17) are provided with water inlet (11) and outlet (19), the bottom of described mold (1) is provided with lead (13), the top of described lower mold (17) is provided with groove (15), and in groove (15), it is provided with big spring (14), working chamber (16) it is provided with between described mold (1) and lower mold (17).

2. the plastic injection mold of a kind of quick cooling according to claim 1, it is characterized in that: between described running channel (3) and gas outlet (18), be provided with air cavity (6), and running channel (3) is arranged on the rightmost side.

3. the plastic injection mold of a kind of quick cooling according to claim 1, it is characterized in that: described telescopic block (2) is arranged on the inside of running channel (3) and gas outlet (18), and is smoothly connected between the inwall of telescopic block (2) and mold (1).

4. the plastic injection mold of a kind of quick cooling according to claim 1, it is characterised in that: circulating line (12) is installed between described water inlet (11) and outlet (18).

5. the plastic injection mold of a kind of quick cooling according to claim 1, it is characterised in that: it is provided with lead (13) between described clamping screw (10) and working chamber (16).

6. the plastic injection mold of a kind of quick cooling according to claim 1, it is characterised in that: between described lead (13) and the big spring (14) in groove (15), gap is connected.