A kind of automobile steering wheel mold structure

Abstract

The utility model relates to the technical field of mold structure, specifically a car steering wheel mold structure, including a base, a movable plate, an upper mold and a lower mold; the base is provided with a fixed frame, the fixed frame is provided with a telescopic mechanism for adjusting the height of the movable plate, and the upper mold is connected to the lower end surface of the movable plate; the lower mold is connected to the upper end of the base, the lower mold is located below the upper mold, and the lower mold is slidably provided with an ejection assembly, and a lifting mechanism for driving the ejection assembly to move; when the mold is in use, the upper ends of multiple ejector rods correspond to the shape of the inner wall of the lower mold, so that the mold can be molded, and after the processing is completed, the lifting mechanism drives the ejection assembly to move upward to eject the molded part in the lower mold, and the lifting mechanism moves downward, and the spring drives the mounting plate and the ejection assembly to reset for the next molding. In the utility model, the ejection mechanism and the lifting mechanism are arranged in the lower mold, so that the lower mold can automatically eject the internal molded parts, which is convenient for removing the molded parts, and does not require manual repeated operations to improve work efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of mold structures, in particular to a mold structure for an automobile steering wheel. Background Art

[0002] The production of car steering wheels usually includes the following steps: Material preparation: First, materials suitable for the manufacture of car steering wheels need to be prepared. Common materials include plastic, wood or leather, etc. These materials need to be processed and treated to meet the design and performance requirements of the steering wheel. Molding: According to the design requirements of the steering wheel, the corresponding molding process is adopted. Common molding methods include injection molding, pressure molding, composite molding, etc.

[0003] The Chinese patent with the announcement number CN117325410A discloses a production mold for automobile steering wheels that can be automatically demoulded, which includes a main body structure, a flip structure and a moving structure: the main body structure includes a bottom frame, the top of the bottom frame is symmetrically connected to two side frames, and a top frame is fixed on the top of the two, a lifting frame is installed below the top frame, an upper mold is installed at the bottom of the lifting frame, a lower mold is arranged below the upper mold, and a rotating shaft is connected between the two ends of the lower mold and the side frames; the flip structure includes a hand wheel connected to the outside of each rotating shaft and located outside the side frame; at the same time, a fixing mechanism for fixing the hand wheel after flipping is also arranged on the side frame. In the present invention, the lower mold is rotatably connected between the two side frames through the rotating shaft, so that the lower mold can be flipped to the opening facing downward by rotating the hand wheel installed outside the rotating shaft, and then fixed in this position by the action of the fixing mechanism, so that the molded steering wheel can fall down under the action of gravity or by tapping the lower mold, so that the mold can be demoulded conveniently.

[0004] However, the above technical solution has the following defects: in the above automobile steering wheel production mold, the mold is flipped by operating the hand wheel, and each steering wheel needs to be manually operated when demolding during use, which reduces the steering wheel processing efficiency and is inconvenient to use. Utility Model Content

[0005] The utility model aims to provide a car steering wheel mould structure in view of the problems existing in the background technology.

[0006] The technical solution of the utility model: an automobile steering wheel mold structure, comprising a base, a movable plate, an upper mold and a lower mold;

[0007] A fixing frame is provided on the base, and a telescopic mechanism for adjusting the height of the movable plate is provided on the fixing frame, and the upper mold is connected to the lower end surface of the movable plate;

[0008] The lower mold is connected to the upper end of the base, the lower mold is located below the upper mold, and the lower mold is slidably provided with an ejection assembly and a lifting mechanism for driving the ejection assembly to move.

[0009] Preferably, the ejector assembly comprises a mounting plate, an ejector rod and a spring;

[0010] The lower mold is provided with a mounting groove, the mounting plate is slidably connected to the mounting groove, a plurality of springs are provided, the springs are all connected to the upper end of the mounting plate and the inner wall of the mounting groove, and the springs are all in a compressed state;

[0011] A plurality of ejector rods are provided, the plurality of ejector rods are connected to the upper end of the mounting plate and are evenly distributed, and the ejector rods are slidably connected to the lower mold.

[0012] Preferably, the uppermost ends of the plurality of ejector pins correspond to the shape of the inner wall of the lower mold.

[0013] Preferably, the lifting mechanism comprises a moving block;

[0014] The lower mold is rotatably provided with a double threaded rod, and the lower mold is provided with a driving assembly, and the driving assembly is transmission-connected to the double threaded rod;

[0015] There are two moving blocks, which are slidably connected to the lower mold. The moving blocks are located below the ejection assembly. The lower ends of the moving blocks are each provided with a mounting block, which is threadably connected to the double-threaded rod.

[0016] Preferably, the projection shape of the moving block is a right-angled trapezoid, and the inclined surface of the moving block is pressed tightly against the lower end of the mounting plate.

[0017] Preferably, the fixing frame comprises a top plate and a support rod;

[0018] A plurality of support rods are provided and connected to the upper end of the base, a top plate is connected to the upper ends of the plurality of support rods, and a movable plate is slidably connected to the plurality of support rods.

[0019] Preferably, the telescopic mechanism can be a hydraulic rod mechanism.

[0020] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0021] 1. In the utility model, an ejection mechanism and a lifting mechanism are arranged in the lower mold, so that the lower mold can automatically eject the internal molded parts, which is convenient for removing the molded parts, and does not require manual repeated operations to improve work efficiency.

[0022] 2. When the mold in the utility model is in use, the mounting plate is squeezed at the lower end of the mounting groove by the spring, and the upper ends of the multiple ejector rods correspond to the shape of the inner wall of the lower mold, so that the mold can be molded. After the processing is completed, the lifting mechanism drives the ejection assembly to move upward to eject the molded part in the lower mold. The lifting mechanism moves downward, and the spring drives the mounting plate and the ejection assembly to reset to facilitate the next molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional diagram of an embodiment of the utility model in use.

[0024] Figure 2 The present invention is a stereoscopic diagram of a vehicle steering wheel mold structure.

[0025] Figure 3 The utility model is a structural schematic diagram of a car steering wheel mold structure.

[0026] Figure 4 The utility model is a cross-sectional view of a car steering wheel mold structure.

[0027] Figure numerals: 1. base; 2. fixed frame; 3. movable plate; 4. upper mold; 5. lower mold; 6. telescopic mechanism; 7. mounting plate; 8. ejector rod; 9. double threaded rod; 10. movable block; 11. mounting block; 12. driving assembly; 13. mounting groove; 14. spring. DETAILED DESCRIPTION

[0028] Embodiment 1

[0029] like Figure 1-Figure 4 As shown, the automobile steering wheel mold structure proposed by the utility model includes a base 1, a movable plate 3, an upper mold 4 and a lower mold 5;

[0030] A fixing frame 2 is provided on the base 1, and a telescopic mechanism 6 for adjusting the height of the movable plate 3 is provided on the fixing frame 2, and an upper mold 4 is connected to the lower end surface of the movable plate 3;

[0031] The fixed frame 2 includes a top plate and a support rod, a plurality of support rods are provided and connected to the upper end of the base 1, the top plate is connected to the upper ends of the plurality of support rods, and the movable plate 3 is slidably connected to the plurality of support rods;

[0032] Further, the telescopic mechanism 6 may be selected from but not limited to a hydraulic rod mechanism;

[0033] The lower mold 5 is connected to the upper end of the base 1 and is located below the upper mold 4 . The lower mold 5 is slidably provided with an ejection assembly and a lifting mechanism for driving the ejection assembly to move.

[0034] In the utility model, when in use, the telescopic mechanism 6 drives the movable plate 3 and the upper mold 4 to be pressed against the lower mold 5, and the raw material is filled into the mold to fill the mold. After molding is completed, the telescopic mechanism 6 drives the movable plate 3 and the upper mold 4 to move upward away from the lower mold 5, and the lifting mechanism in the lower mold 5 drives the ejection assembly to eject the molded part from the mold upward; in the utility model, an ejection mechanism and a lifting mechanism are arranged in the lower mold, so that the lower mold 5 can automatically eject the internal molded part, which is convenient for removing the molded part, and does not require repeated manual operations to improve work efficiency.

[0035] Embodiment 2

[0036] like Figure 3-Figure 4As shown, the present invention provides a car steering wheel mold structure. Compared with the first embodiment, the ejector assembly in this embodiment includes a mounting plate 7, an ejector rod 8 and a spring 14;

[0037] The lower mold 5 is provided with a mounting groove 13, the mounting plate 7 is slidably connected to the mounting groove 13, a plurality of springs 14 are provided, the springs 14 are all connected to the upper end of the mounting plate 7 and the inner wall of the mounting groove 13, and the springs 14 are all in a compressed state;

[0038] A plurality of ejector rods 8 are provided, and the plurality of ejector rods 8 are connected to the upper end of the mounting plate 7 and are evenly distributed, and the ejector rods 8 are slidably connected to the lower mold 5 .

[0039] Furthermore, the uppermost ends of the plurality of ejector pins 8 correspond to the shape of the inner wall of the lower mold 5 .

[0040] In this embodiment, when the mold is in use, the mounting plate 7 is squeezed by the spring 14 at the lower end of the mounting groove 13, and the upper ends of the plurality of ejector pins 8 correspond to the shape of the inner wall of the lower mold 5, so that the mold can be molded. After the processing is completed, the lifting mechanism drives the ejection assembly to move upward to eject the molded part in the lower mold 5, and the lifting mechanism moves downward, and the spring 14 drives the mounting plate 7 and the ejection assembly to reset to facilitate the next molding.

[0041] Embodiment 3

[0042] like Figure 3-Figure 4 As shown, the present invention proposes a car steering wheel mold structure. Compared with the first embodiment, the lifting mechanism in this embodiment includes a moving block 10;

[0043] The lower mold 5 is rotatably provided with a double threaded rod 9, and the lower mold 5 is provided with a driving assembly 12, and the driving assembly 12 is transmission-connected to the double threaded rod 9;

[0044] There are two moving blocks 10 , which are slidably connected to the lower mold 5 . The moving blocks 10 are located below the ejection assembly. The lower ends of the moving blocks 10 are each provided with a mounting block 11 , which is threadedly connected to the double-threaded rod 9 .

[0045] Furthermore, the projection shape of the moving block 10 is a right-angled trapezoid, and the inclined surface of the moving block 10 is pressed tightly against the lower end of the mounting plate 7 .

[0046] In this embodiment, the driving component 12 is started to drive the double-threaded rod 9 to rotate, the mounting block 11 is threadedly connected to the double-threaded rod 9, the mounting block 11 drives the two moving blocks 10 to approach each other, the moving block 10 squeezes the ejection mechanism, and the ejection mechanism is pushed upward to lift the formed steering wheel.

[0047] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A car steering wheel mold structure, characterized in that: It comprises a base (1), a movable plate (3), an upper mold (4) and a lower mold (5); A fixing frame (2) is provided on the base (1), a telescopic mechanism (6) for adjusting the height of the movable plate (3) is provided on the fixing frame (2), and an upper mold (4) is connected to the lower end surface of the movable plate (3); The lower mold (5) is connected to the upper end of the base (1), the lower mold (5) is located below the upper mold (4), and the lower mold (5) is slidably provided with an ejection assembly and a lifting mechanism for driving the ejection assembly to move; The ejection assembly comprises a mounting plate (7), an ejector rod (8) and a spring (14); A mounting groove (13) is provided in the lower mold (5), the mounting plate (7) is slidably connected to the mounting groove (13), a plurality of springs (14) are provided, the springs (14) are all connected to the upper end of the mounting plate (7) and the inner wall of the mounting groove (13), and the springs (14) are all in a compressed state; A plurality of push rods (8) are provided, the plurality of push rods (8) are connected to the upper end of the mounting plate (7) and are evenly distributed, and the push rods (8) are slidably connected to the lower mold (5); The uppermost ends of the plurality of ejector pins (8) correspond to the shape of the inner wall of the lower mold (5).

2. The automotive steering wheel mold structure according to claim 1, characterized in that: The lifting mechanism comprises a moving block (10); The lower mold (5) is rotatably provided with a double threaded rod (9), and the lower mold (5) is provided with a driving assembly (12), and the driving assembly (12) is transmission-connected to the double threaded rod (9); Two moving blocks (10) are provided, and the two moving blocks (10) are slidably connected to the lower mold (5). The moving blocks (10) are located below the ejection assembly. The lower ends of the moving blocks (10) are provided with mounting blocks (11), and the mounting blocks (11) are threadedly connected to the double-threaded rod (9).

3. The automotive steering wheel mold structure according to claim 1 or 2, characterized in that: The projection shape of the moving block (10) is a right-angle trapezoid, and the inclined surface of the moving block (10) is pressed tightly against the lower end of the mounting plate (7).

4. The automotive steering wheel mold structure according to claim 1, characterized in that: The fixing frame (2) comprises a top plate and a support rod; A plurality of support rods are provided and connected to the upper end of the base (1); the top plate is connected to the upper ends of the plurality of support rods; and the movable plate (3) is slidably connected to the plurality of support rods.

5. The automobile steering wheel mold structure according to claim 1, characterized in that: The telescopic mechanism (6) may be a hydraulic rod mechanism.

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