Injection molding mold for automobile parts

Abstract

The utility model discloses an automobile part injection molding mold, which belongs to the technical field of automobile part production and comprises a rack, a lower mold is mounted at the top of a lower seat of the rack through a mold frame, a through pouring opening is formed in the side surfaces of the lower mold and the mold frame, and an upper half ring cutter is mounted at one end of the inner side wall of the pouring opening through a connecting pipe and a connecting strip. One side of the upper half cutting ring communicates with the cambered surface of the inner side wall of the lower die forming groove, a first limiting strip tightly attached to one side of the outer side wall of the die frame is fixedly installed at the other end of the connecting pipe, vertical second limiting strips are fixedly installed at the two ends of the first limiting strip, and the second limiting strips are installed on the outer side wall of the die frame through quick-mounting assemblies; the cutting-off assembly is installed in the pouring opening of the automobile part injection molding mold, when the product is formed and demolded, a solidification strip connected with the product in the pouring opening can be rapidly cut off, and the cutting-off assembly can be rapidly disassembled and assembled and is convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of automobile component production, in particular to an automobile component injection molding die. Background Art

[0002] Some parts of the car are made by injection molding, which requires cooling, solidification and demoulding.

[0003] Patent No. CN202121198727.7 discloses an injection molding mold for an automobile glove box. Synchronous injection is achieved by inserting a detachable component into the inner cavity of the upper mold and the lower mold. When the injection cooling is completed, the upper mold and the lower mold are withdrawn. At this time, the positioning telescopic rod of the detachable component drives the model to withdraw from the lower mold box. At the same time, the fixed component fixes the column mold, and the positioning telescopic rod of the detachable component continues to shrink, so that the model can be demolded directly. It is simple and convenient, and avoids the model being close to the inner cavity of the mold during demolding, affecting the demolding speed.

[0004] Although the automobile component injection molding mold disclosed in the above patent can be demolded quickly after molding, the solidified raw material strips in the pouring port will be pulled out together during demolding, and the material in the pouring port cannot be cut off quickly and synchronously during demolding. Utility Model Content

[0005] The purpose of the utility model is to provide an injection molding mold for automobile parts. A cutting assembly is installed in the pouring port of the injection molding mold for automobile parts disclosed by the utility model, which can quickly cut off the solidified strip connected to the product in the pouring port when the product is molded and demolded, and the cutting assembly can be quickly disassembled and assembled for easy use, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A mold for injection molding of automobile parts comprises a frame, a lower mold is installed on the top of the lower seat of the frame through the mold frame, a through casting port is opened on the side of the lower mold and the mold frame, an upper half ring knife is installed on one end of the inner wall of the casting port through a connecting pipe and one end of a connecting bar, one side of the upper half ring knife is connected with the arc surface of the inner wall of the lower mold forming groove, a first limit strip is fixedly installed on the other end of the connecting pipe, and a vertical second limit strip is fixedly installed at both ends of the first limit strip, and the second limit strip is installed on the outer wall of the mold frame through a quick-fit assembly.

[0008] As a further solution of the utility model: the quick-assembly assembly includes a second limiting strip and through screw holes on the front and rear sides of the mold frame, and the inner side walls of the screw holes are threadedly connected with screw rods, and the ends of the screw rods are fixedly connected with screw heads.

[0009] As a further solution of the utility model: the tail of the outer side wall of the screw rod is threadedly connected to the screw hole on the surface of the L-shaped fixing strip, and the L-shaped fixing strip is fixedly installed on the outer side wall of the mold frame.

[0010] As a further solution of the utility model: a jacking and demoulding component is inserted into the middle jacking groove at the lower part of the lower mold, and the power input end of the jacking and demoulding component is connected to the power output end of the second electric telescopic rod.

[0011] As a further solution of the utility model: a first electric telescopic rod is installed in the middle of the bottom of the frame upper seat, and an upper mold is installed on the bottom of the first electric telescopic rod through a mounting plate.

[0012] As a further solution of the utility model: the outer side wall of the upper mold is slidably connected with an upper demoulding sleeve, the top of the upper demoulding sleeve and the bottom of the mounting plate are both provided with mounting grooves, and a spring connecting the upper demoulding sleeve and the mounting plate is installed in the mounting groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses an automobile component injection molding mold with a cutting assembly installed in the pouring port, which can quickly cut off the solidified strips connected to the product in the pouring port when the product is molded and demoulded, and the cutting assembly can be quickly disassembled and assembled, which is convenient to use, thereby solving the problem that the automobile component injection molding mold disclosed in the above patent can be quickly demoulded after molding, but the solidified raw material strips in the pouring port will be pulled out together when demoulding, and the material in the pouring port cannot be quickly cut off when demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of an injection molding mold for automobile parts according to an embodiment of the utility model;

[0016] Figure 2 This is a schematic cross-sectional structure diagram of an injection molding mold for automobile parts according to an embodiment of the utility model;

[0017] Figure 3 It is a structural schematic diagram of a pouring port cutting assembly of an automobile component injection molding mold according to an embodiment of the utility model;

[0018] Figure 4 for Figure 3 Schematic diagram of the structure at A in the middle.

[0019] In the figure: 1. frame; 2. first electric telescopic rod; 3. mounting plate; 4. spring; 5. upper demoulding sleeve; 6. upper mold; 7. lower mold; 8. mold frame; 9. second electric telescopic rod; 10. first limit strip; 11. pouring port; 12. second limit strip; 13. L-shaped fixing strip; 14. connecting pipe; 15. connecting strip; 16. upper half ring knife; 17. jacking demoulding assembly; 18. screw; 19. screw head. DETAILED DESCRIPTION

[0020] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described. It should be noted that, under the premise of no conflict, the various embodiments described below or the various technical features can be arbitrarily combined to form a new embodiment. Except for special instructions, the materials and equipment used in this embodiment can be purchased from the market. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0021] See also Figures 1 to 4 In the embodiment of the utility model, an automobile component injection molding mold comprises a frame 1, a lower mold 7 is installed on the top of the lower seat of the frame 1 through a mold frame 8, a through pouring port 11 is opened on the side of the lower mold 7 and the mold frame 8, an upper semi-ring knife 16 is installed on one end of the inner wall of the pouring port 11 through a connecting pipe 14 and a connecting bar 15, one side of the upper semi-ring knife 16 is connected with the arc surface of the inner wall of the molding groove of the lower mold 7, and a first limiting strip 10 is fixedly installed on the other end of the connecting pipe 14, which is close to one side of the outer wall of the mold frame 8, and a vertical second limiting strip 12 is fixedly installed at both ends of the first limiting strip 10, and the second limiting strip 12 is installed on the outer wall of the mold frame 8 through a quick-install component. A cutting component is installed in the pouring port 11 of the automobile component injection molding mold disclosed in the utility model, which can quickly cut off the solidified strip connected to the product in the pouring port 11 when the product is molded and demoulded, and the cutting component can be quickly disassembled and assembled for easy use.

[0022] Among them, the quick-assembly component includes a second limit strip 12 and through screw holes on the front and rear sides of the mold frame 8, and the inner wall of the screw hole is threadedly connected with a screw rod 18, and the end of the screw rod 18 is fixedly connected with a screw head 19, which is convenient for quick disassembly and assembly of the cutting component; wherein, the tail of the outer wall of the screw rod 18 is threadedly connected to the screw hole on the surface of the L-shaped fixing strip 13, and the L-shaped fixing strip 13 is fixedly installed on the outer wall of the mold frame 8 to prevent the screw rod 18 from falling and play the role of fixing the screw rod 18; wherein, a jacking and demoulding component 17 is inserted in the middle jacking groove at the lower part of the lower mold 7, and the jacking and demoulding The power input end of the component 17 is connected to the power output end of the second electric telescopic rod 9, which is convenient for ejecting the product in the lower mold 7 from the mold; wherein, a first electric telescopic rod 2 is installed in the middle of the bottom of the upper seat of the frame 1, and an upper mold 6 is installed at the bottom of the first electric telescopic rod 2 through a mounting plate 3, which is convenient for injection molding; wherein, an upper demolding sleeve 5 is slidably connected to the outer wall of the upper mold 6, and mounting grooves are provided on the top of the upper demolding sleeve 5 and the bottom of the mounting plate 3, and a spring 4 connecting the upper demolding sleeve 5 and the mounting plate 3 is installed in the mounting groove, which is convenient for ejecting the product stuck to the outside of the upper mold 6.

[0023] The working principle of the utility model is as follows: a cutting assembly is installed in the pouring port 11 of the automobile part injection molding mold disclosed in the utility model, which can quickly cut off the solidified strip connected to the product in the pouring port 11 when the product is molded and demoulded, and the cutting assembly can be quickly disassembled and assembled, which is convenient for use. When demoulding, the product is pushed upward along the inner groove of the lower mold 7, and the connection between the product and the material in the pouring port 11 rises upward and is quickly cut off by the upper semi-ring knife 16. During the next injection molding, the high-temperature raw material can scald the solidified material in the pouring port 11, and the product injection molding is continued. When the cutting device is damaged and needs to be disassembled, the screws 18 at the front and rear ends are screwed out until the second limit strip 12 can be pulled out, and the first limit strip 10, the second limit strip 12, the connecting pipe 14, the connecting strip 15 and the upper semi-ring knife 16 can be directly pulled out, and they can be quickly disassembled and assembled (the first electric telescopic rod 2 and the second electric telescopic rod 9 are both existing products on the market).

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An injection molding mold for automobile parts, comprising a frame (1), a lower mold (7) is mounted on the top of the lower seat of the frame (1) through a mold frame (8), and a through pouring port (11) is opened on the side of the lower mold (7) and the mold frame (8), characterized in that: An upper half ring knife (16) is installed at one end of the inner wall of the pouring port (11) through a connecting pipe (14) and one end of a connecting bar (15); one side of the upper half ring knife (16) is connected to the arc surface of the inner wall of the forming groove of the lower mold (7); the other end of the connecting pipe (14) is fixedly installed with a first limiting strip (10) close to one side of the outer wall of the mold frame (8); both ends of the first limiting strip (10) are fixedly installed with vertical second limiting strips (12); the second limiting strip (12) is installed on the outer wall of the mold frame (8) through a quick-fit component.

2. The automotive component injection molding die according to claim 1, characterized in that: The quick-assembly assembly comprises a second limiting strip (12) and through screw holes provided on the front and rear sides of the mold frame (8), and the inner side walls of the screw holes are threadedly connected with screw rods (18), and the ends of the screw rods (18) are fixedly connected with screw heads (19).

3. The automotive component injection molding die according to claim 2, characterized in that: The tail of the outer wall of the screw rod (18) is threadedly connected to a screw hole on the surface of the L-shaped fixing strip (13), and the L-shaped fixing strip (13) is fixedly mounted on the outer wall of the mold frame (8).

4. The automotive component injection molding die according to claim 1, characterized in that: A jacking and demoulding component (17) is inserted into the middle jacking groove at the lower part of the lower mold (7), and the power input end of the jacking and demoulding component (17) is connected to the power output end of the second electric telescopic rod (9).

5. The automobile component injection molding mold according to claim 1, characterized in that: A first electric telescopic rod (2) is installed in the middle of the bottom of the upper seat of the frame (1), and an upper mold (6) is installed at the bottom of the first electric telescopic rod (2) via a mounting plate (3).

6. The automobile component injection molding die according to claim 5, characterized in that: The outer side wall of the upper mold (6) is slidably connected with an upper demoulding sleeve (5), and the top of the upper demoulding sleeve (5) and the bottom of the mounting plate (3) are both provided with mounting grooves, and a spring (4) connecting the upper demoulding sleeve (5) and the mounting plate (3) is installed in the mounting groove.

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