Injection mold for door heat absorption runner

Abstract

The utility model discloses a door heat absorption runner injection mold which comprises a bottom plate, wherein the upper side of the bottom plate is fixedly connected with a guide column, the outer side of the guide column is provided with a cooling unit, the upper side of the cooling unit is provided with a lower mold, the upper side of the lower mold is provided with an upper mold, and the upper side of the upper mold is provided with an injection molding opening. The inner side of the lower mold is fixedly connected with a fixing frame, the left side of the lower mold is fixedly connected with an air inlet pipe, the right side of the lower mold is fixedly connected with an air outlet pipe, the lower side of the upper mold is fixedly connected with a plurality of heating runners, and the cooling unit comprises a cooling cavity. By arranging the cooling cavity, the cooling pipe, the connecting pipe, the water inlet pipe, the water outlet pipe, the lower die, the fixing frame, the air inlet pipe and the air outlet pipe, cold water of the cooling pipe on the lower side conveniently flows to cool the lower side of a finished product, the side edge of the finished product is cooled through introduced cold air, the finished product can be rapidly formed conveniently, and the using cost of cooling equipment is reduced.

Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to a door absorber hot runner injection mold. Background Art

[0002] An injection mold is a tool used to produce plastic products. Its basic function is to inject the heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and obtain a molded product after cooling and solidification. The structure of the injection mold may vary depending on different factors such as the type and performance of the plastic, the shape and structure of the plastic product, and the type of injection molding machine, but its basic structure is the same.

[0003] When in use, the hot runner injection mold injects fluid into the mold core and heats the fluid through the hot runner. However, during the injection molding process, since there is no cooling component, the mold needs to be placed in a cooling device for cooling, which increases the processing cost. Utility Model Content

[0004] In order to overcome the disadvantage in the prior art that the cooling of the injection mold requires additional equipment for cooling, which increases the cost of use, one of the purposes of the utility model is to provide a door absorber hot runner injection mold.

[0005] One of the purposes of the utility model is achieved by the following technical solution: a door absorber hot runner injection mold, comprising a bottom plate: a guide column is fixedly connected to the upper side of the bottom plate, a cooling unit is arranged on the outer side of the guide column, a lower mold is arranged on the upper side of the cooling unit, an upper mold is arranged on the upper side of the lower mold, an injection port is arranged on the upper side of the upper mold, a fixing frame is fixedly connected to the inner side of the lower mold, an air inlet pipe is fixedly connected to the left side of the lower mold, an air outlet pipe is fixedly connected to the right side of the lower mold, and a plurality of heating runners are fixedly connected to the lower side of the upper mold;

[0006] The cooling unit includes a cooling cavity, which is arranged on the outside of the guide column, a plurality of cooling pipes are fixedly connected to the inside of the cooling cavity, a connecting pipe is fixedly connected between the cooling pipes on the upper and lower sides, a branch pipe is fixedly connected between the connecting pipe and another cooling pipe, a water inlet pipe is fixedly connected to the outside of the connecting pipe, a water outlet pipe is fixedly connected to the right side of the cooling pipe, and a mold core is arranged at the bottom of the cooling cavity.

[0007] According to the door absorber hot runner injection mold, the lower mold and the upper mold are both slidably connected to the guide column, which is convenient for subsequent demoulding.

[0008] According to the door absorber hot runner injection mold, the cooling pipe is arranged in a serpentine structure.

[0009] According to the door absorber hot runner injection mold, a plurality of diversion holes are provided on the upper side of the lower mold and inside the upper mold.

[0010] According to the door absorber hot runner injection mold, the diverter hole is adapted to the heating runner.

[0011] According to the door absorber hot runner injection mold, the upper side of the mold core passes through the upper side of the cooling cavity and is located on the inner side of the lower mold.

[0012] Beneficial effects:

[0013] By providing a cooling cavity, a cooling pipe, a connecting pipe, a water inlet pipe, a water outlet pipe, a lower mold, a fixed frame, an air inlet pipe and an air outlet pipe, cold water flows through the cooling pipe on the lower side to cool the lower side of the finished product, and the side of the finished product is cooled by the cold air introduced, which facilitates rapid molding of the finished product and reduces the cost of using cooling equipment.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is an overall three-dimensional structural diagram of a door absorber hot runner injection mold of the utility model;

[0017] Figure 2 This is a sectional three-dimensional structural diagram of a door absorber hot runner injection mold of the utility model;

[0018] Figure 3 It is a three-dimensional structural diagram of another perspective of a door absorber hot runner injection mold of the utility model;

[0019] Figure 4 for Figure 2 Enlarged view of point A in the middle.

[0020] Legend:

[0021] 1. Bottom plate; 2. Guide column; 3. Cooling unit; 301. Cooling cavity; 302. Cooling pipe; 303. Connecting pipe; 304. Branch pipe; 305. Water inlet pipe; 306. Water outlet pipe; 4. Lower mold; 5. Upper mold; 6. Injection port; 7. Fixed frame; 8. Air outlet pipe; 9. Mold core; 10. Heating runner; 11. Diverter hole; 12. Air inlet pipe. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 A door absorber hot runner injection mold comprises a bottom plate 1: a guide column 2 is fixedly connected to the upper side of the bottom plate 1, a cooling unit 3 is arranged on the outer side of the guide column 2, a lower mold 4 is arranged on the upper side of the cooling unit 3, an upper mold 5 is arranged on the upper side of the lower mold 4, an injection port 6 is arranged on the upper side of the upper mold 5, a fixing frame 7 is fixedly connected to the inner side of the lower mold 4, an air inlet pipe 12 is fixedly connected to the left side of the lower mold 4, an air outlet pipe 8 is fixedly connected to the right side of the lower mold 4, a plurality of heating runners 10 are fixedly connected to the lower side of the upper mold 5, the lower mold 4 and the upper mold 5 are both slidably connected to the guide column 2, and a plurality of A diverter hole 11 is provided, and the diverter hole 11 is adapted to the heating channel 10. The upper side of the mold core 9 passes through the upper side of the cooling cavity 301 and is located on the inner side of the lower mold 4. When in use, the injection material is introduced into the upper mold 5 through the injection port 6, and the material is introduced into the lower mold 4 through the diverter hole 11 and the heating channel 10, and the finished product is formed conveniently through the mold core 9. After the injection molding is completed, cold air is introduced into the lower mold 4 through the air inlet pipe 12, and the cold air flows in the fixed frame 7, so that the cold air exchanges the heat of the finished product, and then the cold air that absorbs the heat is discharged through the air outlet pipe 8, so as to cool down the heat on the side of the finished product.

[0024] The cooling unit 3 includes a cooling cavity 301, which is arranged on the outside of the guide column 2. A plurality of cooling tubes 302 are fixedly connected to the inner side of the cooling cavity 301. A connecting tube 303 is fixedly connected between the cooling tubes 302 on the upper and lower sides. A branch pipe 304 is fixedly connected between the connecting tube 303 and another cooling tube 302. A water inlet pipe 305 is fixedly connected to the outside of the connecting tube 303. A water outlet pipe 306 is fixedly connected to the right side of the cooling tube 302. A mold core 9 is arranged at the bottom of the cooling cavity 301. The cooling tube 302 is arranged in a serpentine structure. When in use, cold water is passed into the connecting tube 303 through the water inlet pipe 305, and the cold water is distributed to the plurality of cooling tubes 302 through the branch pipe 304, and the cold water is discharged through the water outlet pipe 306, so as to facilitate the exchange and absorption of heat from the bottom direction of the finished product by the cold water, facilitate the rapid cooling of the finished product, reduce the cost of using cooling equipment, and facilitate the molding of the finished product.

[0025] Working principle: When in use, the staff injects the material into the lower mold 4 through the injection port 6, and uses it in conjunction with the mold core 9 to facilitate the molding of the finished product, and then introduces cold air into the lower mold 4 through the air inlet pipe 12, so that the cold air can cool the side of the finished product. Then, through the water inlet pipe 305 and the connecting pipe 303, cold water is introduced into the cooling pipe 302, and then the cold water is discharged from the water outlet pipe 306, so as to cool the bottom direction of the finished product, facilitate the rapid molding of the finished product, and reduce the cost of using cooling equipment in the later stage.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A door absorber hot runner injection mold, characterized in that: The invention comprises a bottom plate (1): a guide column (2) is fixedly connected to the upper side of the bottom plate (1); a cooling unit (3) is arranged on the outer side of the guide column (2); a lower mold (4) is arranged on the upper side of the cooling unit (3); an upper mold (5) is arranged on the upper side of the lower mold (4); an injection port (6) is arranged on the upper side of the upper mold (5); a fixing frame (7) is fixedly connected to the inner side of the lower mold (4); an air inlet pipe (12) is fixedly connected to the left side of the lower mold (4); an air outlet pipe (8) is fixedly connected to the right side of the lower mold (4); and a plurality of heating channels (10) are fixedly connected to the lower side of the upper mold (5); The cooling unit (3) comprises a cooling cavity (301), the cooling cavity (301) is arranged on the outside of the guide column (2), a plurality of cooling pipes (302) are fixedly connected to the inside of the cooling cavity (301), a connecting pipe (303) is fixedly connected between the cooling pipes (302) on the upper and lower sides, a branch pipe (304) is fixedly connected between the connecting pipe (303) and another cooling pipe (302), a water inlet pipe (305) is fixedly connected to the outside of the connecting pipe (303), a water outlet pipe (306) is fixedly connected to the right side of the cooling pipe (302), and a mold core (9) is arranged at the bottom of the cooling cavity (301).

2. A door absorber hot runner injection mold according to claim 1, characterized in that: The lower die (4) and the upper die (5) are both slidably connected to the guide column (2).

3. A door absorber hot runner injection mold according to claim 1, characterized in that: The cooling pipe (302) is arranged in a serpentine structure.

4. The door absorber hot runner injection mold according to claim 1, characterized in that: A plurality of flow diversion holes (11) are provided on the upper side of the lower mold (4) and inside the upper mold (5).

5. The door absorber hot runner injection mold according to claim 4, characterized in that: The diversion hole (11) is adapted to be arranged in a matching manner with the heating flow channel (10).

6. The door absorber hot runner injection mold according to claim 1, characterized in that: The upper side of the mold core (9) passes through the upper side of the cooling cavity (301) and is located on the inner side of the lower mold (4).

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