Injection molding device for automobile injection molding accessories

Abstract

The utility model provides an injection molding device for automobile injection molding accessories, and belongs to the field of injection molding of automobile accessories. The cooling forming stripping assembly comprises a movable die sliding on the base, a male die matched with the die groove is arranged on the movable die, a cavity is formed in the male die, a driven material pushing block is connected into the cavity in a sliding mode, a spiral channel is formed in the male die, and the spiral channel is communicated with the cavity. A spiral channel is formed in the base, a pumping mechanism for conveying cooling water into the spiral channel to cool injection molding accessories is installed on the base, a fixing plate is fixed to the base, two first electric push rods are fixedly connected to the fixing plate, and the output ends of the two first electric push rods are fixedly connected with the movable mold. Automatic demolding is achieved through cooperation of the second electric push rod and the material pushing block, manpower input and potential safety hazards are reduced, injection molding parts can be rapidly cooled, demolding is facilitated, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts injection molding, in particular to an automobile parts injection molding device. Background Art

[0002] When the injection molding device for automobile injection molding parts is used, first inject the plastic raw material into the hopper, the feeding mechanism and the die mechanism are driven by the external driving device, then turn on the external driving device, the die mechanism moves to the right until the punch is completely inserted into the die, and then the feeding mechanism and the conduit cooperate to inject the heated and melted plastic raw material into the die through the discharging mechanism, then let it stand for a while, control the die mechanism to move to the left, and after the die mechanism stops, remove the automobile plastic parts attached to the punch.

[0003] It was found during use that in the process of demolding the plastic accessories on the punch, manual participation is required to perform demolding after each molding, which undoubtedly increases the working time of the device, resulting in low working efficiency of the device, and the high temperature of the injection molded parts may scald the staff. For this reason, the present application proposes an injection molding device for automotive injection molding accessories. Utility Model Content

[0004] Aiming at the deficiencies in the prior art, the utility model provides an injection molding device for automobile injection molding parts.

[0005] The embodiment of the utility model provides an injection molding device for automobile injection molding parts, comprising:

[0006] A base, on which an injection molding machine and a fixed mold connected to the injection molding machine are installed, and the fixed mold is provided with a mold groove;

[0007] Cooling molding and stripping assembly; the cooling molding and stripping assembly includes a movable mold sliding on a base, the movable mold is provided with a punch that cooperates with the mold groove, the punch is provided with a cavity, a driven pusher block is slidably connected in the cavity, the punch is provided with a spiral channel, and a pumping mechanism for conveying cooling water into the spiral channel to cool the injection molded parts is installed on the base.

[0008] Furthermore, a fixing plate is fixed on the base, and two first electric push rods are fixedly connected to the fixing plate, and output ends of the two first electric push rods are fixedly connected to the movable mold.

[0009] Furthermore, a second electric push rod is installed on the movable mold, and an output end of the second electric push rod extends into the chamber and is fixedly connected to the push block.

[0010] Furthermore, a water tank is installed on the fixed plate, a water pump is installed on the water tank, a water outlet pipe is installed at the water outlet end of the water pump, the water outlet pipe is connected to one end of the spiral channel, a circulation pipe is installed at the other end of the spiral channel, and the circulation pipe is connected to the water tank.

[0011] Furthermore, a blanking trough is provided through the base, and the blanking trough is located between the fixed mold and the movable mold.

[0012] Furthermore, the movable mold is provided with an exhaust hole, and the exhaust hole is communicated with the cavity.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model realizes automatic demoulding by the cooperation of the second electric push rod and the push block, reduces manpower input and potential safety hazards, can quickly cool the injection molded parts, facilitates demoulding, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention is a schematic structural diagram of an injection molding device for an automobile injection molding part according to an embodiment of the present invention.

[0016] Figure 2 It is a schematic diagram of a pusher block in an injection molding device for an automobile injection molding part described in an embodiment of the utility model.

[0017] Figure 3 It is a cross-sectional view of a spiral channel in an injection molding device for an automobile injection molding part described in an embodiment of the utility model.

[0018] In the above drawings: 1 base, 2 injection molding machine, 3 fixed mold, 4 movable mold, 5 fixed plate, 6 first electric push rod, 7 second electric push rod, 8 blanking chute, 9 chamber, 10 water tank, 11 water pump, 12 water outlet pipe, 13 circulation pipe, 14 punch, 15 push block, 16 spiral channel. DETAILED DESCRIPTION

[0019] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] like Figure 1-Figure 3 As shown, the embodiment of the utility model provides an injection molding device for automobile injection molding parts, comprising:

[0021] A base 1 is provided with a blanking chute 8, which is located between a fixed mold 3 and a movable mold 4. A bracket is installed at the bottom of the base 1, which can support the base 1 off the ground, so that a collection box can be placed under the blanking chute 8 to collect the injection molded parts; an injection molding machine 2 and a fixed mold 3 connected to the injection molding machine 2 are installed on the base 1, and a mold groove is provided on the fixed mold 3;

[0022] Cooling molding stripping assembly; the cooling molding stripping assembly comprises a movable mold 4 sliding on the base 1, the movable mold 4 is provided with a convex mold 14 cooperating with the mold groove, a fixed plate 5 is fixed on the base 1, and two first electric push rods 6 are fixedly connected to the fixed plate 5, and the output ends of the two first electric push rods 6 are fixedly connected to the movable mold 4, and the output ends of the first electric push rods 6 extend to drive the movable mold 4 to move and cooperate with the fixed mold 3. At this time, the convex mold 14 is located in the mold groove and an injection molded part cavity is formed between the convex mold 14 and the mold groove, and the injection molding machine 2 injects molten plastic into the injection molded part cavity, and static molding is performed to complete the molding of the injection molded part;

[0023] A spiral channel 16 is provided in the punch 14, a pumping mechanism for conveying cooling water into the spiral channel 16 to cool the injection molded parts is installed on the base 1, a water tank 10 is installed on the fixed plate 5, a water pump 11 is installed on the water tank 10, a water outlet pipe 12 is installed at the water outlet end of the water pump 11, the water outlet pipe 12 is connected to one end of the spiral channel 16, a circulation pipe 13 is installed at the other end of the spiral channel 16, and the circulation pipe 13 is connected to the water tank 10, wherein the water outlet pipe 12 and the circulation pipe 13 are both hoses; after the injection molding is completed, the water pump 1 1 Cooling water is transported to the spiral channel 16 through the water outlet pipe 12, and the cooling water flows into the water tank 10 through the circulation pipe 13, so that the injection molded part on the punch 14 can be quickly cooled and formed, which is conducive to demoulding; a semiconductor cooling sheet can be installed on the water tank 10, and the cooling end of the semiconductor cooling sheet is located in the water tank 10. The semiconductor cooling sheet can penetrate the water tank 10 and be sealed and installed. The semiconductor cooling sheet cools the water, which can cool the injection molded part more effectively. When the semiconductor cooling sheet is in use, a radiator is installed at the heating end;

[0024] A chamber 9 is provided on the punch 14, and a driven push block 15 is slidably connected in the chamber 9. A second electric push rod 7 is installed on the movable mold 4, and the output end of the second electric push rod 7 extends into the chamber 9 and is fixedly connected to the push block 15. After the injection molded part is formed, the first electric push rod 6 drives the movable mold 4 to reset, and then the second electric push rod 7 drives the push block 15 to move, and the push block 15 drives the injection molded part to move and leave the punch 14. The injection molded part is hung on the push block 15 due to gravity, and then the second electric push rod 7 is reset. Under the obstruction of the punch 14, the injection molded part is separated from the push block 15, and the injection molded part falls through the blanking chute 8 and can be collected by a collection box, etc.; wherein, an exhaust hole is penetrated through the movable mold 4, and the exhaust hole is connected with the chamber 9, so that when the push block 15 moves in the chamber 9, the air can be discharged or sucked into the chamber 9 through the exhaust hole.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An injection molding device for automobile injection molding parts, characterized in that: include: A base (1), an injection molding machine (2) and a fixed mold (3) connected to the injection molding machine (2) are installed on the base (1), and a mold groove is provided on the fixed mold (3); A cooling molding stripping component; the cooling molding stripping component comprises a movable mold (4) sliding on a base (1), the movable mold (4) being provided with a punch (14) cooperating with a mold groove, the punch (14) being provided with a chamber (9), a driven pusher block (15) being slidably connected in the chamber (9), a spiral channel (16) being provided in the punch (14), and a pumping mechanism for conveying cooling water into the spiral channel (16) to cool the injection molded parts is installed on the base (1).

2. The injection molding device for automobile injection molding parts according to claim 1, characterized in that: in: A fixing plate (5) is fixed on the base (1), and two first electric push rods (6) are fixedly connected to the fixing plate (5), and the output ends of the two first electric push rods (6) are fixedly connected to the movable mold (4).

3. The injection molding device for automobile injection molding parts according to claim 1, characterized in that: in: A second electric push rod (7) is installed on the movable mold (4), and the output end of the second electric push rod (7) extends into the chamber (9) and is fixedly connected to the push block (15).

4. The injection molding device for automobile injection molding parts according to claim 2, characterized in that: in: A water tank (10) is mounted on the fixing plate (5), a water pump (11) is mounted on the water tank (10), a water outlet pipe (12) is mounted on the water outlet end of the water pump (11), the water outlet pipe (12) is connected to one end of the spiral channel (16), a circulation pipe (13) is mounted on the other end of the spiral channel (16), and the circulation pipe (13) is connected to the water tank (10).

5. The injection molding device for automobile injection molding parts according to claim 1, characterized in that: in: The base (1) is provided with a blanking trough (8) extending therethrough, and the blanking trough (8) is located between the fixed mold (3) and the movable mold (4).

6. The injection molding device for automobile injection molding parts according to claim 1, characterized in that: in: The movable mold (4) is provided with an exhaust hole extending therethrough, and the exhaust hole is communicated with the chamber (9).

Images