Rapid forming auxiliary tool for automobile injection mold

Abstract

The utility model discloses a rapid forming auxiliary tool for an automobile injection mold, and relates to the technical field of automobile injection molds. A fixed mold is fixedly mounted at one end of the top of the supporting beam through a fixing seat; an injection nozzle is cooperatively arranged on one side of the fixed mold; a movable mold is cooperatively arranged at the top of the supporting cross beam; an electric push cylinder is fixedly mounted at one end, away from the fixed mold, of the movable mold; a push rod of the electric push cylinder and the push plate are fixedly mounted; the push rod penetrates through an inner cavity of the movable mold; the bottom of the movable mold is mounted on the sliding rail through a sliding block in a matched manner; the sliding rail is fixedly mounted on the supporting cross beam; during use, the movable mold moves forwards and backwards along the sliding rail through the driving structure, the movable mold and the fixed mold are matched or separated, after the movable mold moves forwards along the sliding rail to be matched with the fixed mold, injection molding is conducted in a mold cavity between the fixed mold and the movable mold through the injection molding nozzle installed on the fixed mold, and injection molding of a product is achieved.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of automobile injection molds, in particular to a rapid prototyping auxiliary tooling for automobile injection molds. Background Art

[0002] Automobile injection molds are crucial tools in automobile production. They enable rapid molding of molds that require injection molding. According to product requirements, a reasonable mold structure is designed, including cavity layout, gating system, cooling system, etc. Injection molding is performed on the injection molding machine, and the mold is adjusted and optimized to ensure that the produced parts meet quality requirements.

[0003] However, during the injection molding process of conventional injection molding devices, bubbles may be generated inside the cavities after the medium enters the two mold cavities. This will cause certain quality problems in the injection molded workpiece and cannot effectively meet the production needs. However, there is no better solution for eliminating bubbles in conventional injection molding devices. This will result in a certain scrap rate in production, which reduces production efficiency.

[0004] After searching, Chinese patent publication number CN201920009438.4 discloses a built-in micro-vibration dynamic mechanical mold; including a point gate, an upper mold base, a concave mold plate, a resonance device, a guide mechanism, a convex mold plate, a lower mold base and a vibration device, the top of the upper mold base is provided with a point gate, the bottom of the point gate is fixed with a concave mold plate, a resonance device is provided between the concave mold plate and the upper mold base, the concave mold plate and the upper mold base are movably connected through the resonance device, and the resonance device is provided with multiple, and the resonance devices are equidistantly distributed;

[0005] When the structure in the above patent is working, the push rod is driven up and down by the driving motor to achieve the effect of vibrating the two mold bases. However, when the structure in the above patent is vibrating, a certain gap may be generated between the two mold bases, which will cause the pouring medium to be unable to be effectively transmitted along the grooves in the mold cavity, which will cause the surface of the product to be uneven, affecting the processing quality of the workpiece and the working efficiency of the equipment. Utility Model Content

[0006] The purpose of the utility model is to provide a rapid prototyping auxiliary tooling for automobile injection molds. In this device, after the movable mold and the fixed mold are matched, the crankshaft is driven to rotate by a driving motor, and the crankshaft is movably connected with the gear plate through a rotating shaft to realize the forward and backward movement of the gear plate. In the process of the forward and backward movement of the gear plate, meshing with the gear is realized. The gear is installed on the connecting rod, and the cams at both ends of the connecting rod are driven by the gear to rotate to realize the knocking of the fixed mold, so as to eliminate the bubbles inside the two mold cavities during the injection molding process, effectively ensure the quality of injection molding, and solve the problems of the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A rapid prototyping auxiliary tooling for an automobile injection mold, comprising a supporting crossbeam; two supporting crossbeams are provided and are symmetrical; a fixed mold is fixedly installed at one end of the top of the supporting crossbeam through a fixing seat; an injection nozzle is provided on one side of the fixed mold; a movable mold is also provided on the top of the supporting crossbeam; an electric push cylinder is fixedly installed at one end of the movable mold away from the fixed mold; a push rod of the electric push cylinder is fixedly installed with a push plate; push rods are fixedly installed on the four corners of the push plate; the push rods pass through the inner cavity of the movable mold;

[0009] The bottom of the movable mold is mounted on a slide rail through a sliding block; the slide rail is fixedly mounted on a supporting crossbeam.

[0010] As a further technical solution of the utility model, a cam is further arranged on the side of the fixed die away from the movable die; two cams are arranged symmetrically; and the two cams are coaxially arranged through a connecting rod.

[0011] As a further technical solution of the utility model, a gear is fixedly installed in the middle of the connecting rod; the gear is meshed with a toothed plate; the toothed plate is cooperatively installed on the top of the support frame;

[0012] As a further technical solution of the utility model, the bottom of one end of the tooth plate away from the fixed mold is movably connected to the crankshaft through a rotating shaft; the crankshaft is fixedly installed with the driving motor.

[0013] As a further technical solution of the utility model, the driving motor is fixedly mounted on the support plate; the crankshaft belt seat bearing is cooperatively mounted on the support plate;

[0014] As a further technical solution of the utility model, the two ends of the connecting rod are mounted on the supporting beam through seat bearings;

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the utility model, when in use, the movable mold is moved forward and backward along the slide rail by the driving structure to achieve the matching or separation between the movable mold and the fixed mold. When the movable mold moves forward along the slide rail to match the fixed mold, the injection nozzle installed on the fixed mold is used to inject into the mold cavity between the fixed mold and the movable mold to achieve injection molding of the product;

[0017] 2. In the process of injection molding, the utility model drives the crankshaft to rotate through the driving motor, and the crankshaft is installed with one end of the tooth plate through the rotating shaft to realize the forward and backward movement of the tooth plate. In the process of the forward and backward movement of the tooth plate, the tooth plate drives the gear in the middle of the connecting rod to rotate, thereby effectively realizing the contact between the cams installed at both ends of the connecting rod and the fixed mold, realizing the knocking of the fixed mold, thereby realizing the effective removal of bubbles inside the mold cavity between the fixed mold and the movable mold, and ensuring the injection molding quality of the workpiece;

[0018] 3. In the utility model, after the injection molding is completed, the movable mold moves to the side away from the fixed mold to separate the fixed mold from the movable mold, and the electric push cylinder installed on the side of the movable mold away from the fixed mold drives the push plate to move, so that the push rod on the push plate pushes out the injection molded product in the mold cavity, which is convenient for the mold to be injected again. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0020] Figure 2 This utility model Figure 1 Schematic diagram from another perspective.

[0021] Figure 3 This utility model Figure 1 Schematic diagram of the bottom structure.

[0022] Figure 4 This utility model Figure 3 Schematic diagram of the splitting.

[0023] Figure 5 This utility model Figure 4 A magnified view of the local structure at A.

[0024] In the figure: 1-fixed mold, 2-movable mold, 3-push plate, 4-electric push cylinder, 5-push rod, 6-slide rail, 7-fixed seat, 8-support beam, 9-injection nozzle, 10-drive motor, 11-crankshaft, 12-tooth plate, 13-cam, 14-support plate, 15-gear, 16-connecting rod, 17-support frame. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5In the embodiment of the utility model, a rapid prototyping auxiliary tooling for an automobile injection mold comprises a supporting crossbeam 8; two supporting crossbeams 8 are provided and are symmetrical; a fixed mold 1 is fixedly installed at one end of the top of the supporting crossbeam 8 through a fixing seat 7; an injection nozzle 9 is provided on one side of the fixed mold 1; a movable mold 2 is also provided on the top of the supporting crossbeam 8; an electric push cylinder 4 is fixedly installed at one end of the movable mold 2 away from the fixed mold 1; a push rod of the electric push cylinder 4 is fixedly installed with a push plate 3; push rods 5 are fixedly installed on the four corners of the push plate 3; the push rods 5 pass through the inner cavity of the movable mold 2;

[0027] The bottom of the movable mold 2 is mounted on the slide rail 6 through a slider; the slide rail 6 is fixedly mounted on the supporting beam 8.

[0028] More specifically, a cam 13 is further provided on the side of the fixed mold 1 away from the movable mold 2 ; two cams 13 are provided and are symmetrically arranged; and the two cams 13 are coaxially arranged through a connecting rod 16 .

[0029] By adopting the above technical solution, when in use, the movable mold 2 is moved forward and backward along the slide rail 6 through the driving structure to achieve the matching or separation between the movable mold 2 and the fixed mold 1. After the movable mold 2 moves forward along the slide rail 6 to match the fixed mold 1, the injection nozzle 9 installed on the fixed mold 1 is used to inject into the mold cavity between the fixed mold 1 and the movable mold 2 to achieve injection molding of the product.

[0030] A gear 15 is fixedly installed in the middle of the connecting rod 16 ; the gear 15 is meshed with the toothed plate 12 ; and the toothed plate 12 is cooperatively installed on the top of the supporting frame 17 .

[0031] In this embodiment, the bottom of the end of the tooth plate 12 away from the fixed mold 1 is movably connected to the crankshaft 11 through a rotating shaft; the crankshaft 11 is fixedly installed with the driving motor 10;

[0032] By adopting the above technical solution, during the injection molding process, the crankshaft 11 is driven to rotate by the driving motor 10, and the crankshaft 11 is installed with one end of the tooth plate 12 through the rotating shaft to realize the forward and backward movement of the tooth plate 12. During the forward and backward movement of the tooth plate 12, the tooth plate 12 drives the gear 15 in the middle of the connecting rod 16 to rotate, thereby effectively realizing the contact between the cams 13 installed at both ends of the connecting rod 16 and the fixed mold 1, realizing the knocking of the fixed mold 1, thereby realizing the effective removal of bubbles inside the mold cavity between the fixed mold 1 and the movable mold 2, and ensuring the injection molding quality of the workpiece;

[0033] In this embodiment, the driving motor 10 is fixedly mounted on the support plate 14; the crankshaft 11 is mounted on the support plate 14 with a seat bearing;

[0034] Both ends of the connecting rod 16 are mounted on the supporting beam 8 through seat bearings.

[0035] By adopting the above technical solution, after the injection molding is completed, the movable mold 2 moves to the side away from the fixed mold 1, so that the fixed mold 1 and the movable mold 2 are separated, and the electric push cylinder 4 installed on the side of the movable mold 2 away from the fixed mold 1 drives the push plate 3 to move, so that the push rod 5 on the push plate 3 pushes the injection molded product in the mold cavity, thereby facilitating the injection molding of the mold again.

[0036] The working principle of the utility model is as follows: when in use, the movable mold 2 is moved forward and backward along the slide rail 6 by the driving structure to achieve the matching or separation between the movable mold 2 and the fixed mold 1. After the movable mold 2 moves forward along the slide rail 6 to match the fixed mold 1, the injection nozzle 9 installed on the fixed mold 1 is used to inject into the mold cavity between the fixed mold 1 and the movable mold 2 to achieve injection molding of the product;

[0037] During the injection molding process, the crankshaft 11 is driven to rotate by the driving motor 10, and the crankshaft 11 is installed with one end of the tooth plate 12 through the rotating shaft to realize the forward and backward movement of the tooth plate 12. During the forward and backward movement of the tooth plate 12, the tooth plate 12 drives the gear 15 in the middle of the connecting rod 16 to rotate, thereby effectively realizing the contact between the cams 13 installed at both ends of the connecting rod 16 and the fixed mold 1, realizing the knocking of the fixed mold 1, thereby realizing the effective removal of bubbles inside the mold cavity between the fixed mold 1 and the movable mold 2, and ensuring the injection molding quality of the workpiece;

[0038] After the injection molding is completed, the movable mold 2 moves to the side away from the fixed mold 1 to separate the fixed mold 1 and the movable mold 2. The electric push cylinder 4 installed on the side of the movable mold 2 away from the fixed mold 1 drives the push plate 3 to move, so that the push rod 5 on the push plate 3 pushes the injection molded product in the mold cavity, which is convenient for the mold to be injected again.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0040] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A rapid prototyping auxiliary tooling for automobile injection molds, characterized in that: It comprises a supporting crossbeam (8); two supporting crossbeams (8) are provided and are symmetrical; a fixed mold (1) is fixedly installed on one end of the top of the supporting crossbeam (8) through a fixed seat (7); an injection nozzle (9) is provided on one side of the fixed mold (1); a movable mold (2) is also provided on the top of the supporting crossbeam (8); an electric push cylinder (4) is fixedly installed on the end of the movable mold (2) away from the fixed mold (1); the push rod of the electric push cylinder (4) is fixedly installed on the push plate (3); push rods (5) are fixedly installed on the four corners of the push plate (3); the push rods (5) pass through the inner cavity of the movable mold (2); The bottom of the movable mold (2) is mounted on a slide rail (6) through a sliding block; the slide rail (6) is fixedly mounted on a supporting crossbeam (8).

2. The rapid prototyping auxiliary tooling for automobile injection mold according to claim 1, characterized in that: A cam (13) is also provided on the side of the fixed mold (1) away from the movable mold (2); two cams (13) are provided and are symmetrically arranged; the two cams (13) are coaxially arranged via a connecting rod (16).

3. The rapid prototyping auxiliary tooling for automobile injection mold according to claim 2, characterized in that: A gear (15) is fixedly installed in the middle of the connecting rod (16); the gear (15) is meshed with the toothed plate (12); and the toothed plate (12) is cooperatively installed on the top of the supporting frame (17).

4. The rapid prototyping auxiliary tooling for automobile injection mold according to claim 3, characterized in that: The bottom of one end of the tooth plate (12) away from the fixed mold (1) is movably connected to the crankshaft (11) via a rotating shaft; the crankshaft (11) and the driving motor (10) are fixedly installed.

5. The rapid prototyping auxiliary tooling for automobile injection mold according to claim 4, characterized in that: The driving motor (10) is fixedly mounted on the support plate (14); the crankshaft (11) is cooperatively mounted on the support plate (14) through a seat bearing.

6. The rapid prototyping auxiliary tooling for automobile injection mold according to claim 4, characterized in that: The two ends of the connecting rod (16) are mounted on the supporting crossbeam (8) through seat bearings.

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