Die positioning structure for automobile ornament machining

Abstract

The utility model discloses a mould positioning structure for processing automobile ornaments, which relates to the technical field of moulds and comprises a lower mould, an upper mould and an L-shaped seat plate, the lower mould is fixed on the L-shaped seat plate through a clamping component, a lifting component is mounted on a vertical section of the L-shaped seat plate, and the upper mould is connected with the lifting component. The clamping and holding assembly comprises a U-shaped rod which is slidably connected to the bottom of the horizontal section of the L-shaped base plate in an inserted mode, an electric telescopic rod is installed between the middle of the U-shaped rod and the vertical section of the L-shaped base plate, extending clamping rods are fixed to the ends of the two sides of the U-shaped rod correspondingly, and limiting pins are arranged on the sides, facing the lower mold, of the two extending clamping rods correspondingly. Two limiting holes matched with the two limiting pins in an inserted mode are formed in one side of the lower die. According to the die assembly structure, the lower die can be quickly fixed through the clamping assemblies, the installation stability of the lower die can be guaranteed, the lower die is convenient to disassemble and maintain, and in the die assembly process, the upper die has the good stability, and the precision is good in the die assembly process.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold positioning structure for processing automobile trim parts. Background Art

[0002] A mold is various molds and tools used in industrial production to obtain required products by methods such as injection molding, blow molding, extrusion, die casting, or forging, smelting, stamping, etc. In short, a mold is a tool for making formed articles. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the outer shape of articles by changing the physical state of the formed material. It is known as the "mother of industry". It is a tool that makes a blank into a workpiece with a specific shape and size under the action of external force, and is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, and ceramics. For automobile exterior trim parts that need die casting, usually only the mold is clamped and fixed in the horizontal direction, which is difficult to ensure the stability of the mold, and it cannot be disassembled and assembled quickly, which is not conducive to later maintenance. Therefore, a mold positioning structure for processing automobile trim parts is provided now. Summary of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a mold positioning structure for processing automobile trim parts. The clamping and holding assembly can realize the rapid fixation of the lower mold, ensure the stability of the installation of the lower mold, and is convenient for disassembly and maintenance. During the mold closing process, the upper mold has good stability and good accuracy during mold closing, overcoming the deficiencies of the prior art and effectively solving the problems that the existing mold is only clamped and fixed in the horizontal direction, it is difficult to ensure the stability of the mold, and it cannot be disassembled and assembled quickly, which is not conducive to later maintenance.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A mold positioning structure for processing automobile trim parts includes a lower mold, an upper mold, and an L-shaped seat plate. The lower mold is fixed on the L-shaped seat plate through a clamping and holding assembly. A lifting assembly is installed on the vertical section of the L-shaped seat plate, and the upper mold is connected to the lifting assembly;

[0006] The clamping and holding assembly includes a U-shaped rod slidably inserted into the bottom of the horizontal section of the L-shaped seat plate. An electric telescopic rod is installed between the middle of the U-shaped rod and the vertical section of the L-shaped seat plate. Extension clamping rods are fixed at both ends of the two sides of the U-shaped rod.

[0007] Through the above solution, the clamping component can quickly fix the lower mold, ensure the stability of the installation of the lower mold, and facilitate disassembly for maintenance. During the mold closing process, the upper mold has good stability and good accuracy in mold closing.

[0008] Preferably, limit pins are arranged on one side of each of the two extension clamping rods facing the lower mold, and two limit holes that form a plug-in fit with the two limit pins are provided on one side of the lower mold.

[0009] Preferably, the lifting component includes a fixing plate fixed to one side of the vertical section of the L-shaped seat plate. An L-shaped bracket is fixed to the side of the upper end surface of the fixing plate. A hydraulic telescopic rod is installed at the bottom end of the horizontal section of the L-shaped bracket. A through hole is provided in the middle of the fixing plate, and the lower end of the hydraulic telescopic rod passes through the through hole and is connected to the upper mold.

[0010] Preferably, a strip-shaped hole is provided on the vertical section of the L-shaped seat plate, and a T-shaped block is slidably clamped on the strip-shaped hole. The T-shaped block is connected to one side of the upper mold by a bolt.

[0011] Preferably, a cross-shaped positioning hole is provided on one side of the upper end surface of the lower mold, and a cross-shaped positioning pin that forms a plug-in fit with the cross-shaped positioning hole is fixed to the side of the lower end surface of the upper mold.

[0012] Preferably, exhaust holes are provided on the surfaces of both the lower mold and the upper mold.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. By pushing the U-shaped rod to move through the electric telescopic rod, the two limit pins at both ends of the U-shaped rod are respectively inserted into the two limit holes of the lower mold, thereby realizing the quick fixation of the lower mold and facilitating disassembly for maintenance.

[0015] 2. The hydraulic telescopic rod can push the upper mold to descend and close the mold with the lower mold. The upper mold drives the T-shaped block to move along the strip-shaped hole, which can maintain the stability of the upper mold during lifting. During the mold closing process, the cross-shaped positioning pin is inserted into the cross-shaped positioning hole, ensuring the accuracy of mold closing.

[0016] In summary, through the set clamping component, the lower mold can be quickly fixed, the stability of the installation of the lower mold can be ensured, and it is convenient for disassembly for maintenance. During the mold closing process, the upper mold has good stability and good accuracy in mold closing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic perspective structure diagram of the first perspective of a mold positioning structure for automobile trim part processing proposed by the present utility model.

[0018] Figure 2 This is a second - perspective three - dimensional structure schematic diagram of a mold positioning structure for automobile trim part processing proposed by the present utility model.

[0019] Figure 3 This is a Figure 1 mold positioning structure for automobile trim part processing proposed by the present utility model.

[0020] In the figure: 1, lower mold; 2, upper mold; 3, L - shaped seat plate; 4, cross - shaped positioning pin; 5, cross - shaped positioning hole; 6, fixing plate; 7, through - hole; 8, L - shaped bracket; 9, hydraulic telescopic rod; 10, U - shaped rod; 11, extension clamping rod; 12, electric telescopic rod; 13, strip - shaped hole; 14, T - shaped block; 15, limit pin; 16, limit hole. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0022] Example 1, referring to Figures 1-3 , a mold positioning structure for automobile trim part processing, including a lower mold 1, an upper mold 2 and an L - shaped seat plate 3. The lower mold 1 is fixed on the L - shaped seat plate 3 through a clamping assembly. The clamping assembly includes a U - shaped rod 10 slidably inserted at the bottom of the horizontal section of the L - shaped seat plate 3. An electric telescopic rod 12 is installed between the middle of the U - shaped rod 10 and the vertical section of the L - shaped seat plate 3. Extension clamping rods 11 are fixed at both ends of the U - shaped rod 10. Limit pins 15 are arranged on the side of the two extension clamping rods 11 facing the lower mold 1. Two limit holes 16 for forming a plug - in fit with the two limit pins 15 are opened on one side of the lower mold 1;

[0023] By pushing the U - shaped rod 10 through the electric telescopic rod 12, the two limit pins 15 at both ends of the U - shaped rod 10 are respectively inserted into the two limit holes 16 of the lower mold 1, thereby realizing the rapid fixation of the lower mold 1 and ensuring the stability of the installation of the lower mold 1;

[0024] An elevating assembly is installed on the vertical section of the L - shaped seat plate 3. The upper mold 2 is connected to the elevating assembly. The elevating assembly includes a fixing plate 6 fixed on one side of the vertical section of the L - shaped seat plate 3. An L - shaped bracket 8 is fixed on the side edge of the upper end surface of the fixing plate 6. A hydraulic telescopic rod 9 is installed at the bottom end of the horizontal section of the L - shaped bracket 8. A through - hole 7 is opened in the middle of the fixing plate 6. The lower end of the hydraulic telescopic rod 9 passes through the through - hole 7 and is connected to the upper mold 2;

[0025] By the telescopic movement of the hydraulic telescopic rod 9, the upper mold 2 can be driven to rise and fall, thus realizing demolding and mold closing;

[0026] A strip-shaped hole 13 is formed in the vertical section of the L-shaped seat plate 3, and a T-shaped block 14 is slidably clamped on the strip-shaped hole 13. The T-shaped block 14 is connected to one side of the upper mold 2 by bolts. The upper mold 2 drives the T-shaped block 14 along the strip-shaped hole 13, which can maintain the stability of the upper mold 2 during lifting and lowering.

[0027] On one side of the upper end surface of the lower mold 1, a cross-shaped positioning hole 5 is formed. On the side edge of the lower end surface of the upper mold 2, a cross-shaped positioning pin 4 that forms an insertion fit with the cross-shaped positioning hole 5 is fixed.

[0028] When the lower mold 1 and the upper mold 2 are closed, the cross-shaped positioning pin 4 is inserted into the cross-shaped positioning hole 5, ensuring the accuracy during mold closing. Exhaust holes are formed on the surfaces of both the lower mold 1 and the upper mold 2 to avoid adsorption generated between the lower mold 1 and the upper mold 2.

[0029] Working principle: The electric telescopic rod 12 is pushed to move the U-shaped rod 10, so that the two limit pins 15 at both ends of the U-shaped rod 10 are respectively inserted into the two limit holes 16 of the lower mold 1, thereby realizing the rapid fixation of the lower mold 1, ensuring the stability of the installation of the lower mold, and being convenient for disassembly for maintenance. The hydraulic telescopic rod 9 can push the upper mold 2 to descend and close with the lower mold 1. The upper mold 2 drives the T-shaped block 14 along the strip-shaped hole 13, which can maintain the stability of the upper mold 2 during lifting and lowering. During the mold closing process, the cross-shaped positioning pin 4 is inserted into the cross-shaped positioning hole 5, ensuring the accuracy during mold closing.

[0030] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A die positioning structure for processing automotive trim parts, comprising a lower die (1), an upper die (2) and an L-shaped seat plate (3), characterized in that, The lower die (1) is fixed on the L-shaped seat plate (3) through a clamping component. An elevating component is installed on the vertical section of the L-shaped seat plate (3), and the upper die (2) is connected to the elevating component. The clamping component includes a U-shaped rod (10) slidably inserted into the bottom of the horizontal section of the L-shaped seat plate (3). An electric telescopic rod (12) is installed between the middle of the U-shaped rod (10) and the vertical section of the L-shaped seat plate (3). Extension clamping rods (11) are fixed to both end portions of the two sides of the U-shaped rod (10). Limit pins (15) are arranged on the side of each of the two extension clamping rods (11) facing the lower die (1). Two limit holes (16) for insertion and cooperation with the two limit pins (15) are formed by opening on one side of the lower die (1).

2. The positioning structure of a mold for processing automotive trim parts according to claim 1, characterized in that, The elevating component includes a fixing plate (6) fixed to one side of the vertical section of the L-shaped seat plate (3). An L-shaped bracket (8) is fixed to the edge of the upper end surface of the fixing plate (6). A hydraulic telescopic rod (9) is installed at the bottom end of the horizontal section of the L-shaped bracket (8). A through hole (7) is formed in the middle of the fixing plate (6). The lower end of the hydraulic telescopic rod (9) passes through the through hole (7) and is connected to the upper die (2).

3. The positioning structure of a mold for processing automotive trim parts according to claim 2, characterized in that, A strip hole (13) is formed in the vertical section of the L-shaped seat plate (3), and a T-shaped block (14) is slidably clamped on the strip hole (13). The T-shaped block (14) is connected to one side of the upper die (2) by bolts.

4. A mold positioning structure for processing automotive trim parts according to claim 1, characterized in that, A cross-shaped positioning hole (5) is formed by opening on one side of the upper end surface of the lower die (1). A cross-shaped positioning pin (4) for insertion and cooperation with the cross-shaped positioning hole (5) is fixed to the edge of the lower end surface of the upper die (2).

5. A mold positioning structure for processing automotive trim parts according to claim 1, characterized in that, Exhaust holes are formed on the surfaces of both the lower die (1) and the upper die (2).

Images