Injection mold for automobile trim cover

Abstract

The utility model relates to the technical field of injection molds, and discloses an automobile trim cover injection mold which comprises an iron alloy workbench, a lifting water cooling mechanism is arranged at the top of the iron alloy workbench, an injection molding mechanism is arranged at the top of the iron alloy workbench, and the lifting water cooling mechanism comprises a first main through flat pipe and a second main through flat pipe. The sides, away from each other, of the first main through flat pipe and the second main through flat pipe are fixedly connected with connecting soft water pipes. Through the design of the connecting soft water pipe, the connecting soft water pipe can be connected with an external cooling-water machine, then through the design of the first main through flat pipe and the second main through flat pipe, cold water flows through the inner cavities surrounding the copper pipes, heat on the lower die and the upper die can be transmitted to graphene sheets, and then through cooperation of the graphene fins and the through holes, the heat of the upper die and the lower die can be transmitted to the graphene sheets. And heat is quickly transferred to flowing water surrounding the inner cavity of the copper pipe, so that the function of performing quick water cooling treatment on injection molding structures in the lower mold and the upper mold is realized, and the cooling molding time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, and in particular to an injection mold for an automobile decorative cover. Background Art

[0002] Car decorative covers are usually plastic parts obtained through injection molding, which is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding and die casting. Injection molds are used in the process of injection molding.

[0003] A Chinese patent discloses an injection mold for processing automotive decorative parts, with the publication number CN210590265U. The technical solution disclosed in the patent document is as follows: it includes a base plate, a vacuum pump and an anti-reverse tank, a cover is welded on the base plate, buffer springs are evenly distributed on the inner side of the cover, a bottom mold is mounted on the top of the buffer spring, a slide groove is opened on the side of the bottom mold, the limit strip on the top of the cover is slidably connected to the slide groove, and a vibrator is also installed on the side of the bottom mold.

[0004] In order to solve the problem of bubbles appearing inside the mold, the existing technology adopts a method of designing a vibrator and a vacuum pump to work together. However, the injection molded structure cannot be cooled down quickly. After the injection molding is completed, the structure needs to wait for the injection molded structure to cool naturally before demolding. This process takes a long time, which in turn affects the production efficiency of the automobile decorative cover. Utility Model Content

[0005] The utility model aims to provide an injection mold for an automobile decorative cover, so as to solve the problem in the prior art that the production efficiency will be affected if the mold release process is performed after the injection molded structure is naturally cooled.

[0006] The utility model provides the following technical solution: an automobile decorative cover injection mold, comprising a ferroalloy workbench, a lifting water cooling mechanism is arranged on the top of the ferroalloy workbench, and an injection mechanism is arranged on the top of the ferroalloy workbench.

[0007] The lifting water cooling mechanism comprises a main through flat tube 1 and a main through flat tube 2, wherein the sides of the main through flat tube 1 and the main through flat tube 2 which are away from each other are fixedly connected with a connecting soft water pipe, and a surrounding copper tube is fixedly connected between the main through flat tube 1 and the main through flat tube 2, and a graphene sheet is fixedly installed on the inner wall of the surrounding copper tube, and a graphene fin located in the inner cavity of the surrounding copper tube is fixedly connected on the outer wall of the graphene sheet, and a through hole is opened on the outer surface of the graphene fin, and the injection mold can be cooled with the help of an external water cooler through the cooperation of the main through flat tube 1, the main through flat tube 2, the surrounding copper tube and the connecting soft water pipe.

[0008] As a preferred embodiment of the above technical solution, the lifting water cooling mechanism also includes a support frame, which is fixedly installed on the top of the ferroalloy workbench, and an electric telescopic rod is fixedly installed on the top of the support frame. The telescopic end of the electric telescopic rod extends to the bottom of the support frame and is fixedly connected to a connecting frame. The electric telescopic rod is used to control the lifting and lowering of the surrounding copper tube, so that the lifting water cooling mechanism can be suitable for injection molds of different specifications.

[0009] As a preferred embodiment of the above technical solution, the bottom of the connecting frame is fixedly connected to the top of the main flat tube 1 and the main flat tube 2, and a sliding rod is fixedly installed on the top of the connecting frame. The outer wall of the sliding rod is slidably connected to the inner wall of the supporting frame, and the sliding rod is used to increase the stability of the lifting and lowering of the surrounding copper tube.

[0010] As a preferred embodiment of the above technical solution, the injection molding mechanism includes a lower mold and a slide groove bar seat, the top of the lower mold is movably connected to the upper mold, the adjacent sides of the lower mold and the upper mold are each provided with a molding groove body, and the top of the upper mold is fixedly connected to an injection nozzle, and injection molding can be performed into the molding groove body from the injection nozzle.

[0011] As a preferred embodiment of the above technical solution, a connecting rod is fixedly installed on the top of the lower mold, the outer wall of the connecting rod is movably connected to the inner wall of the upper mold, the top of the connecting rod is threadedly connected to a bolt, and the bottom of the bolt is movably connected to the top of the upper mold. Through the cooperation of the bolt and the connecting rod, the lower mold and the upper mold can be firmly connected.

[0012] As a preferred embodiment of the above technical solution, the slide groove bar seat is fixedly installed on the top of the ferroalloy workbench, and a sliding bar is slidably connected to the inner wall of the slide groove bar seat. The top of the sliding bar is fixedly connected to the bottom of the lower mold. Through the cooperation of the slide groove bar seat and the sliding bar, the user can adjust the position of the lower mold forward and backward to facilitate the smooth demolding work.

[0013] As a preferred embodiment of the above technical solution, a movable block is detachably connected to the inner wall of the slide groove bar seat, an electromagnet positioning block is fixedly installed on the top of the movable block, the bottom of the electromagnet positioning block is movably connected to the top of the ferroalloy workbench, and the electromagnet positioning block can be magnetically attracted to the top of the ferroalloy workbench to position the movable block and simultaneously complete the positioning process of the lower mold.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is designed to connect a soft water pipe, which can be connected to an external chiller, and then the design of the main flat pipe one and the main flat pipe two allows cold water to flow through the inner cavities surrounding the copper pipes, and the heat on the lower mold and the upper mold is transferred to the graphene sheet, and then the heat is quickly transferred to the flowing water surrounding the inner cavity of the copper pipe through the cooperation of the graphene fins and the through holes, thereby realizing the function of rapid water cooling treatment of the injection molding structure inside the lower mold and the upper mold, shortening the cooling and molding time of the injection molding structure, and improving the production efficiency of the automobile decorative cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of a partially cutaway structure of a copper tube surrounding the utility model;

[0018] Figure 3 This is a structural schematic diagram of the lifting water cooling mechanism of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the injection molding mechanism of the utility model;

[0020] Figure 5 It is a schematic diagram of the separation structure of the lower mold and the upper mold of the utility model.

[0021] In the figure: 1. ferroalloy workbench; 2. lifting water cooling mechanism; 21. main flat tube 1; 22. main flat tube 2; 23. surrounding copper tube; 231. graphene sheet; 232. graphene wing; 233. through hole; 24. connecting soft water pipe; 25. support frame; 26. electric telescopic rod; 27. connecting frame; 28. sliding rod; 3. injection molding mechanism; 31. lower mold; 32. upper mold; 33. injection molding nozzle; 34. molding tank body; 35. connecting rod; 36. bolt; 37. slide bar seat; 38. sliding bar; 39. movable block; 391. electromagnet positioning block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] like Figure 1-Figure 2As shown, the utility model provides a technical solution: an injection mold for an automobile decorative cover, comprising an iron alloy workbench 1, a lifting water cooling mechanism 2 is arranged on the top of the iron alloy workbench 1, an injection molding mechanism 3 is arranged on the top of the iron alloy workbench 1, the lifting water cooling mechanism 2 comprises a main through flat tube 1 21 and a main through flat tube 2 22, a connecting soft water pipe 24 is fixedly connected to the main through flat tube 1 21 and the main through flat tube 2 22 on the side away from each other, a surrounding copper tube 23 is fixedly connected between the main through flat tube 1 21 and the main through flat tube 2 22, a graphene sheet 231 is fixedly installed on the inner wall of the surrounding copper tube 23, and the graphene sheet 231 A graphene wing 232 located in the inner cavity of the surrounding copper tube 23 is fixedly connected to the outer wall, and a through hole 233 is opened on the outer surface of the graphene wing 232. The actual length of the connecting soft water pipe 24 is designed according to the use environment. The connecting soft water pipe 24 can be connected to an external chiller to control the operation of the external chiller so that cold water flows through the inner cavity of each surrounding copper tube 23. During the flow, the cold water will take away the heat to achieve the function of efficient cooling. Through the cooperation of the graphene sheet 231, the graphene wing 232 and the through hole 233, the heat exchange rate between the cold water and the outer surface of the lower mold 31 and the upper mold 32 is improved.

[0024] As an implementation method in this embodiment, Figure 3 As shown, the lifting water cooling mechanism 2 also includes a support frame 25, which is fixedly installed on the top of the ferroalloy workbench 1, and an electric telescopic rod 26 is fixedly installed on the top of the support frame 25. The telescopic end of the electric telescopic rod 26 extends to the bottom of the support frame 25 and is fixedly connected to a connecting frame 27. The bottom of the connecting frame 27 is fixedly connected to the top of the main through flat tube 1 21 and the main through flat tube 2 22. A sliding rod 28 is fixedly installed on the top of the connecting frame 27. The outer wall of the sliding rod 28 is slidably connected to the inner wall of the support frame 25. The electric telescopic rod 26 is controlled to shrink and reset, which can drive the surrounding copper tube 23 to move upward as a whole, thereby avoiding the problem that the surrounding copper tube 23 affects the use of the lower mold 31 and the upper mold 32. Through the design of the sliding rod 28, it can slide on the inner wall of the support frame 25 with the operation of the electric telescopic rod 26, thereby increasing the lifting stability of the surrounding copper tube 23.

[0025] As an implementation method in this embodiment, Figure 4-Figure 5As shown, the injection mechanism 3 includes a lower mold 31 and a slide bar seat 37, the top of the lower mold 31 is movably connected to the upper mold 32, and the adjacent sides of the lower mold 31 and the upper mold 32 are each provided with a molding groove body 34, the top of the upper mold 32 is fixedly connected to the injection nozzle 33, the top of the lower mold 31 is fixedly installed with a connecting rod 35, the outer wall of the connecting rod 35 is movably connected to the inner wall of the upper mold 32, the top of the connecting rod 35 is threadedly connected with a bolt 36, the bottom of the bolt 36 is movably connected to the top of the upper mold 32, the slide bar seat 37 is fixedly installed on the top of the ferroalloy workbench 1, the inner wall of the slide bar seat 37 is slidably connected with a sliding bar 38, the top of the sliding bar 38 is fixedly connected to the bottom of the lower mold 31, the inner wall of the slide bar seat 37 is detachably connected with a movable block 39, the top of the movable block 39 is fixedly installed with an electromagnet positioning block 391, and the electromagnet positioning block 391 The bottom of the mold is movably connected to the top of the ferroalloy workbench 1, and the upper mold 32 is plugged into the top of the lower mold 31, and then the bolt 36 is screwed into the top of the connecting rod 35 to complete the fixation of the lower mold 31 and the upper mold 32. The molding groove main body 34 is an existing structure, and its shape is the specific shape of the automobile decorative cover. Then, injection molding can be performed from the injection nozzle 33 to the inside of the molding groove main body 34. Through the connection relationship design of the slide groove bar seat 37 and the sliding bar 38, after the electric telescopic rod 26 is retracted and reset, the user can slide the lower mold 31 and the upper mold 32 to the front to facilitate the subsequent demolding work. After the lower mold 31 and the upper mold 32 slide to the rear of the slide groove bar seat 37 as a whole, the user can plug the movable block 39 into the slide groove bar seat 37, and then control the electromagnet positioning block 391 to be energized and adsorbed and fixed on the top of the ferroalloy workbench 1 to limit the front of the sliding bar 38.

[0026] Working principle: Injection is performed from the injection nozzle 33 to the inside of the molding tank body 34. After completion, the electric telescopic rod 26 is controlled to extend to lower the position of the surrounding copper tube 23. The soft water pipe 24 is pre-connected to the external chiller, and the external chiller is controlled to work so that cold water flows through the inner cavity of each surrounding copper tube 23. During the flow, the cold water will take away the heat to achieve the function of efficient cooling. After cooling and molding, the electric telescopic rod 26 is controlled to reset, and then the electromagnet positioning block 391 is controlled to be closed, and the movable block 39 is slid out from the inside of the slide slot bar seat 37, and then the lower mold 31 and the upper mold 32 are slid forward as a whole, and then the bolt 36 is unscrewed from the top of the connecting rod 35, and then the upper mold 32 is pulled out from the top of the lower mold 31, and the molded automobile decorative cover can be demoulded.

[0027] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. An injection mold for an automobile decorative cover, comprising an iron alloy workbench (1), characterized in that: A lifting water cooling mechanism (2) is provided on the top of the ferroalloy workbench (1), and an injection molding mechanism (3) is provided on the top of the ferroalloy workbench (1); The lifting water cooling mechanism (2) comprises a main through flat tube 1 (21) and a main through flat tube 2 (22); the main through flat tube 1 (21) and the main through flat tube 2 (22) are both fixedly connected to a connecting soft water pipe (24) on their sides away from each other; a surrounding copper tube (23) is fixedly connected between the main through flat tube 1 (21) and the main through flat tube 2 (22); a graphene sheet (231) is fixedly mounted on the inner wall of the surrounding copper tube (23); a graphene fin (232) located in the inner cavity of the surrounding copper tube (23) is fixedly connected to the outer wall of the graphene sheet (231); and a through hole (233) is provided on the outer surface of the graphene fin (232).

2. The automobile decorative cover injection mold according to claim 1, characterized in that: The lifting water cooling mechanism (2) further comprises a support frame (25), wherein the support frame (25) is fixedly mounted on the top of the ferroalloy workbench (1), an electric telescopic rod (26) is fixedly mounted on the top of the support frame (25), and a telescopic end of the electric telescopic rod (26) extends to the bottom of the support frame (25) and is fixedly connected to a connecting frame (27).

3. The automobile decorative cover injection mold according to claim 2, characterized in that: The bottom of the connecting frame (27) is fixedly connected to the top of the main flat tube 1 (21) and the main flat tube 2 (22), and a sliding rod (28) is fixedly installed on the top of the connecting frame (27), and the outer wall of the sliding rod (28) is slidably connected to the inner wall of the supporting frame (25).

4. The automobile decorative cover injection mold according to claim 1, characterized in that: The injection molding mechanism (3) comprises a lower mold (31) and a slide groove bar seat (37); the top of the lower mold (31) is movably connected to the upper mold (32); a molding groove body (34) is provided on adjacent sides of the lower mold (31) and the upper mold (32); and the top of the upper mold (32) is fixedly connected to an injection molding nozzle (33).

5. The automobile decorative cover injection mold according to claim 4, characterized in that: A connecting rod (35) is fixedly mounted on the top of the lower mold (31), the outer wall of the connecting rod (35) is movably connected to the inner wall of the upper mold (32), the top of the connecting rod (35) is threadedly connected to a bolt (36), and the bottom of the bolt (36) is movably connected to the top of the upper mold (32).

6. The automobile decorative cover injection mold according to claim 4, characterized in that: The slide groove bar seat (37) is fixedly mounted on the top of the ferroalloy workbench (1), and a slide bar (38) is slidably connected to the inner wall of the slide groove bar seat (37), and the top of the slide bar (38) is fixedly connected to the bottom of the lower mold (31).

7. The automobile decorative cover injection mold according to claim 6, characterized in that: A movable block (39) is detachably connected to the inner wall of the slide groove seat (37), an electromagnet positioning block (391) is fixedly mounted on the top of the movable block (39), and the bottom of the electromagnet positioning block (391) is movably connected to the top of the ferroalloy workbench (1).

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