Die for machining automobile door handle cover

Abstract

The utility model discloses a mould for processing an automobile door handle cover, which belongs to the field of automobile door handle cover processing and comprises a bottom plate, a forming mechanism is arranged at the top of the bottom plate and comprises an upper mould, two groups of pressing mechanisms are symmetrically arranged in the upper mould, and each pressing mechanism comprises a sliding rod slidably connected in the wall of the upper mould. The bottom of the sliding rod is fixedly connected with a pressing plate, the bottom of the pressing plate coincides with the inner wall of the upper die forming cavity, the top of the sliding rod is fixedly connected with a limiting plate, a spring is connected between the limiting plate and the upper die, and a power mechanism is arranged at the top of the upper die and used for driving the limiting plate to move downwards when the upper die moves upwards. The device has the beneficial effects that the pressing mechanism and the power mechanism are arranged, so that in the ascending process of the upper mold, downward pressing force is provided for the pressing mechanism through the power mechanism, the formed automobile door handle cover is pressed through the pressing mechanism, and the situation that the formed automobile door handle cover adheres to the inner wall of a forming cavity of the upper mold, and the demolding efficiency is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the field of automobile door handle cover processing, in particular to a mold for processing automobile door handle covers. Background Art

[0002] Molds are various dies and tools used in industrial production to produce the desired products through methods such as injection molding, blow molding, extrusion, die-casting, forging, smelting, and stamping. In short, a mold is a tool used to produce molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly achieves the processing of the object's shape by changing the physical state of the molded material. Molds are also needed when processing car door handle covers. Since car door handle covers are mostly made of plastic, they require injection molds to be used for injection molding.

[0003] After searching, the Chinese patent announcement number CN211307230U is found, which discloses a mold for processing automobile door handle covers. The patent adds a protective net, a liquid outlet pipe, a liquid inlet pipe, a heat absorption plate, a heat absorption pipe, a circulation pump, a liquid storage tank, a branch plate, a condenser and a high-speed fan to make the mold cool faster. Because the lower end face of the telescopic cylinder is connected to the air pipe, the air pipe is connected to the external solenoid valve, which facilitates the ventilation and extension of the telescopic cylinder. Because multiple heat absorption pipes are installed, and the multiple heat absorption pipes have the same specifications, and multiple condenser pipes are installed, and the multiple condenser pipes have the same specifications, it is convenient to quickly cool down the internal temperature of the fixed mold. Because the circulation pump and the high-speed fan are connected to the external power supply through a wire, it is convenient for the circulation pump and the high-speed fan to receive external electrical energy to rotate. The utility model has a reasonable structure, can quickly and effectively cool the mold, and make the parts forming speed faster.

[0004] However, after cooling and molding, the molded car handle cover may adhere to the inner wall of the molding cavity of the upper mold, making it difficult to demould. Utility Model Content

[0005] The purpose of this utility model is to provide a mold for processing an automobile door handle cover in order to solve the above problems.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0007] A mold for processing automobile door handle covers includes a base plate, a molding mechanism is provided on the top of the base plate, the molding mechanism includes an upper mold, and two groups of pressing mechanisms are symmetrically provided in the upper mold. The pressing mechanism includes a sliding rod slidably connected to the upper mold wall, the bottom of the sliding rod is fixedly connected to a pressure plate, the bottom of the pressure plate coincides with the inner wall of the upper mold molding cavity, the top of the sliding rod is fixedly connected to a limiting plate, a spring is connected between the limiting plate and the upper mold, the spring is wound around the outer circumference of the sliding rod, and a power mechanism is provided on the top of the upper mold, the power mechanism is used to drive the limiting plate to move downward when the upper mold moves upward.

[0008] Preferably, the forming mechanism includes a lower mold fixedly connected to the top of the base plate, the top of the base plate is fixedly connected to a support frame, the support frame is fixedly connected to a hydraulic cylinder, and the upper mold is fixedly connected to the bottom of the hydraulic cylinder.

[0009] Preferably, the power mechanism includes a first rack fixedly connected to the inner wall of the support frame, two first vertical plates fixedly connected to the top of the upper mold, a rotating shaft rotatably connected between the two first vertical plates, a driving gear connected to the rotating shaft, the driving gear and the rotating shaft are connected by a one-way bearing, when the upper mold moves upward, the rotating shaft will drive the driving gear to rotate, an auxiliary gear is fixedly connected to the rotating shaft, a second rack is fixedly connected to the side of the limit plate close to the driving gear, and a reversing assembly is provided between the auxiliary gear and the second rack.

[0010] Preferably, the reversing assembly includes two second vertical plates fixedly connected to the top of the upper mold, and a driven gear is rotatably connected between the two second vertical plates. The driven gear is engaged with the auxiliary gear, and the driven gear is engaged with the second rack.

[0011] Preferably, an injection tube is fixedly connected to the top of the upper mold, and the injection tube is communicated with the molding cavity inside the upper mold.

[0012] Preferably, the support frame is U-shaped with the opening facing downward.

[0013] The beneficial effect is that a pressing mechanism and a power mechanism are provided, so that during the rising process of the upper mold, the power mechanism provides a downward pressing force to the pressing mechanism, and the pressing mechanism presses the formed automobile door handle cover, thereby avoiding the formed automobile door handle cover from adhering to the inner wall of the molding cavity of the upper mold, affecting the efficiency of demolding.

[0014] Additional technical features and advantages of the present invention will be more clearly explained in the following description, or can be understood through specific practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of a mold for processing an automobile door handle cover according to the present utility model;

[0017] Figure 2 This is a front view of a mold for processing an automobile door handle cover according to the utility model;

[0018] Figure 3 This is a front view of the internal structure of a mold for processing an automobile door handle cover according to the present invention;

[0019] Figure 4 This is a top view of a mold for processing an automobile door handle cover according to the present utility model;

[0020] Figure 5 It is a right side view of a mold for processing an automobile door handle cover according to the utility model.

[0021] The description of the accompanying drawings is as follows: 1. Base plate; 201. Lower mold; 202. Support frame; 203. Hydraulic cylinder; 204. Upper mold; 301. Slide rod; 302. Pressure plate; 303. Limit plate; 304. Spring; 401. First rack; 402. First vertical plate; 403. Rotating shaft; 404. Driving gear; 405. Second vertical plate; 406. Driven gear; 407. Second rack; 408. Auxiliary gear; 5. Injection tube. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0024] The present invention will be further described below with reference to the accompanying drawings:

[0025] like Figure 1-Figure 5 As shown, a mold for processing an automobile door handle cover includes a base plate 1, and a molding mechanism is provided on the top of the base plate 1. The molding mechanism includes a lower mold 201 bolted to the top of the base plate 1, and a support frame 202 is bolted to the top of the base plate 1. The support frame 202 is U-shaped with an opening facing downward, and a hydraulic cylinder 203 is fixedly connected to the support frame 202. The bottom of the hydraulic cylinder 203 is fixedly connected to an upper mold 204, and the top of the upper mold 204 is fixedly connected to an injection tube 5. The injection tube 5 is connected to the molding cavity inside the upper mold 204. The upper mold 204 is lifted and lowered by controlling the hydraulic cylinder 203, and molten plastic is injected into the molding cavities of the lower mold 201 and the upper mold 204 through the injection tube 5.

[0026] Two sets of pressing mechanisms are symmetrically arranged in the upper mold 204, and the pressing mechanism includes a sliding rod 301 slidably connected to the wall of the upper mold 204, and the bottom of the sliding rod 301 is fixedly connected to a pressure plate 302. A limiting groove is opened in the wall of the upper mold 204, and the pressure plate 302 is located in the limiting groove. The bottom of the pressure plate 302 coincides with the inner wall of the molding cavity of the upper mold 204, and the top of the sliding rod 301 is fixedly connected to the limiting plate 303. A spring 304 for resetting is connected between the limiting plate 303 and the upper mold 204, and the spring 304 is wrapped around the outer periphery of the sliding rod 301.

[0027] A power mechanism is provided at the top of the upper mold 204, which includes a first rack 401 fixedly connected to the inner wall of the support frame 202, and two first vertical plates 402 are bolted to the top of the upper mold 204. A rotating shaft 403 is rotatably connected between the two first vertical plates 402, and a driving gear 404 is connected to the rotating shaft 403. The driving gear 404 is connected to the rotating shaft 403 through a one-way bearing. When the upper mold 204 moves upward, the driving gear 404 will drive the rotating shaft 403 to rotate under the action of the first rack 401. When the upper mold 204 moves downward, the driving gear 404 will not drive the rotating shaft 403 to rotate. An auxiliary gear 408 is fixedly connected to the rotating shaft 403, and a second rack 407 is fixedly connected to the side of the limiting plate 303 close to the driving gear 404. A reversing assembly is provided between the auxiliary gear 408 and the second rack 407.

[0028] A reversing assembly is provided between the driving gear 404 and the second rack 407. The reversing assembly includes two second vertical plates 405 bolted to the top of the upper mold 204. A driven gear 406 is rotatably connected between the two second vertical plates 405. The driven gear 406 is engaged with the auxiliary gear 408. The driven gear 406 is engaged with the second rack 407. When the upper mold 204 moves upward, the rotating shaft 403 drives the auxiliary gear 408 to rotate, and the auxiliary gear 408 is engaged with the driven gear 406, thereby driving the driven gear 406 to rotate. The driven gear 406 is engaged with the second rack 407, thereby driving the second rack 407 to move downward. The second rack 407 drives the limit plate 303 to drive the slide rod 301 to move downward.

[0029] Working principle: When in use, the upper mold 204 is moved downward by controlling the hydraulic cylinder 203 until the upper mold 204 and the lower mold 201 are closed, and the molten plastic is injected into the molding cavity formed by the upper mold 204 and the lower mold 201 through the injection tube 5. After cooling and molding, the upper mold 204 is moved upward by controlling the hydraulic cylinder 203. When the upper mold 204 moves upward, it drives the driving gear 404 to move upward. The driving gear 404 is driven by the first rack 401 to start rotating, and the driving gear 404 drives the rotating shaft 403 to rotate, and the rotating shaft 403 is rotated. 03 drives the auxiliary gear 408 to rotate, the auxiliary gear 408 engages with the driven gear 406, thereby driving the driven gear 406 to rotate, the driven gear 406 engages with the second rack 407, thereby driving the second rack 407 to move downward, the second rack 407 drives the limit plate 303 to drive the slide bar 301 to move downward, the slide bar 301 drives the pressure plate 302 to move downward, and the molded car door handle cover is pressed by the pressure plate 302 to prevent the molded car door handle cover from adhering to the inner wall of the molding cavity of the upper mold 204, affecting the efficiency of demolding.

[0030] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold for processing an automobile door handle cover, comprising a base plate (1), a molding mechanism being provided on the top of the base plate (1), the molding mechanism comprising an upper mold (204), characterized in that: Two groups of pressing mechanisms are symmetrically arranged in the upper mold (204), and the pressing mechanism includes a sliding rod (301) slidably connected to the wall of the upper mold (204), the bottom of the sliding rod (301) is fixedly connected to a pressure plate (302), the bottom of the pressure plate (302) coincides with the inner wall of the molding cavity of the upper mold (204), the top of the sliding rod (301) is fixedly connected to a limiting plate (303), a spring (304) is connected between the limiting plate (303) and the upper mold (204), and the spring (304) is wound around the outer periphery of the sliding rod (301), and a power mechanism is arranged on the top of the upper mold (204), and the power mechanism is used to drive the limiting plate (303) to move downward when the upper mold (204) moves upward.

2. The mold for processing an automobile door handle cover according to claim 1, characterized in that: The forming mechanism comprises a lower mold (201) fixedly connected to the top of the base plate (1); the top of the base plate (1) is fixedly connected to a support frame (202); a hydraulic cylinder (203) is fixedly connected to the support frame (202); and the upper mold (204) is fixedly connected to the bottom of the hydraulic cylinder (203).

3. The mold for processing an automobile door handle cover according to claim 2, characterized in that: The power mechanism comprises a first rack (401) fixedly connected to the inner wall of the support frame (202); two first vertical plates (402) are fixedly connected to the top of the upper mold (204); a rotating shaft (403) is rotatably connected between the two first vertical plates (402); a driving gear (404) is connected to the rotating shaft (403); the driving gear (404) and the rotating shaft (403) are connected via a one-way bearing; when the upper mold (204) moves upward, the rotating shaft (403) drives the driving gear (404) to rotate; an auxiliary gear (408) is fixedly connected to the rotating shaft (403); a second rack (407) is fixedly connected to the side of the limiting plate (303) close to the driving gear (404); and a reversing assembly is provided between the auxiliary gear (408) and the second rack (407).

4. The mold for processing an automobile door handle cover according to claim 3, characterized in that: The reversing assembly includes two second vertical plates (405) fixedly connected to the top of the upper mold (204), a driven gear (406) is rotatably connected between the two second vertical plates (405), the driven gear (406) is engaged with the auxiliary gear (408), and the driven gear (406) is engaged with the second rack (407).

5. The mold for processing an automobile door handle cover according to claim 1, characterized in that: An injection tube (5) is fixedly connected to the top of the upper mold (204), and the injection tube (5) is communicated with the molding cavity inside the upper mold (204).

6. The mold for processing an automobile door handle cover according to claim 2, characterized in that: The support frame (202) is U-shaped with the opening facing downward.

Images