Noise reduction type automobile stamping die

Abstract

The utility model discloses a noise reduction type automobile stamping die which comprises a lower pressing die, an upper pressing die is installed on the upper surface of the lower pressing die in a sleeved mode, a noise reduction structure is fixedly installed on the lower surface of the upper pressing die, the upper pressing die comprises embedding holes, a top plate, a first base and a die core, and the embedding holes are formed in the four corners of the upper surface of the top plate. Four sets of embedding holes are formed in the lower surface of the top plate, a first base is fixedly installed on the lower surface of the top plate, a mold core is fixedly installed on the lower surface of the first base, and the lower pressing mold comprises a mold core, a hydraulic rod, a first embedding groove, a second embedding groove, a second base, a bottom plate, an air cylinder, a third embedding groove and a limiting rod. And four groups of limiting rods are fixedly mounted at the four corners of the upper surface of the bottom plate, and a third embedding groove is formed in the middle of the upper surface of the bottom plate. According to the noise reduction type automobile stamping die, noise reduction treatment can be carried out during stamping, and demolding treatment can be rapidly carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile stamping dies, in particular to a noise reduction automobile stamping die. Background Art

[0002] A mold is a tool used to shape objects. This tool is composed of various parts, and different molds are composed of different parts. Automobile molds are molds used in the automotive field. More than 90% of the parts in automobile production need to rely on mold molding. Automobile molds are the general term for molds of all parts when manufacturing automobiles, such as stamping molds, injection molds, etc.; Existing automobile stamping molds have certain disadvantages when in use. When stamping the automobile mold, a certain amount of noise will be generated, causing pollution to the environment. In addition, since the stamping mold is formed by pressure, it takes a certain amount of energy to demold, which is inconvenient to operate. For this reason, we propose a noise reduction automobile stamping mold. Utility Model Content

[0003] The main purpose of the utility model is to provide a noise reduction automobile stamping die, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A noise reduction automobile stamping die comprises a lower die, an upper die is sleeved on the upper surface of the lower die, and a noise reduction structure is fixedly installed on the lower surface of the upper die.

[0006] In a preferred embodiment, the upper die includes embedding holes, a top plate, a first base, and a mold core. The upper surface of the top plate is provided with embedding holes at four corners, and the embedding holes are divided into four groups. The first base is fixedly installed on the lower surface of the top plate, and the mold core is fixedly installed on the lower surface of the first base.

[0007] In a preferred embodiment, the lower pressure die includes a mold core, a hydraulic rod, a first embedding groove, a second embedding groove, a second base, a bottom plate, a cylinder, a third embedding groove, and a limit rod. The upper surface of the bottom plate is located at the four corners and fixedly installed with limit rods. The limit rods are in four groups. The upper surface of the bottom plate is provided with a third embedding groove in the middle position, and a cylinder is embedded and installed inside the third embedding groove. The upper surface of the cylinder is fixedly installed with a hydraulic rod. The upper surface of the bottom plate is fixedly installed with a second base. The upper surface of the second base is located at the middle position and provided with a first embedding groove. The hydraulic rod is embedded and installed inside the first embedding groove. The upper surface of the second base is located at the edge position and provided with a second embedding groove. The upper surface of the second base is located at the middle position and provided with a mold core movably installed.

[0008] In a preferred embodiment, the upper pressing die and the lower pressing die are respectively embedded and installed in the embedding hole through limiting rods.

[0009] In a preferred embodiment, the noise reduction structure includes a first sound insulation board, a sound absorbing sponge, a second sound insulation board, a connecting plate, a spring, and a support plate. The inner surface of the first sound insulation board is located near the bottom and embedded with a sound absorbing sponge, the inner surface of the sound absorbing sponge is embedded with a second sound insulation board, the lower surface of the sound absorbing sponge is fixedly installed with a connecting plate, the lower surface of the connecting plate is fixedly installed with a spring, the springs are in eight groups, and the lower surface of the springs is fixedly connected to a support plate.

[0010] In a preferred embodiment, the upper die and the noise reduction structure are fixedly mounted on the lower surface of the top plate via a first sound insulation board, which is located on the surface of the first base, and the sound absorbing sponge and the second sound insulation board are located below the first base.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0012] In the utility model, by providing the first sound insulation board, the sound absorbing sponge and the second sound insulation board, it is possible to perform sound insulation and noise reduction during the stamping operation, and the processing effect is good. By providing the hydraulic rod and the cylinder, when the stamping die is used, the die can be demoulded quickly, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the noise reduction automobile stamping die of the utility model;

[0014] Figure 2 This is a cross-sectional view of the top plate of the noise reduction automobile stamping die of the utility model;

[0015] Figure 3 This is a cross-sectional view of the bottom plate of the noise reduction automobile stamping die of the utility model;

[0016] Figure 4 The utility model is a noise reduction automobile stamping die Figure 2 Detail of point A.

[0017] In the figure: 1. upper die; 101. embedding hole; 102. top plate; 103. first base; 104. mold core; 2. noise reduction structure; 201. first sound insulation board; 202. sound-absorbing sponge; 203. second sound insulation board; 204. connecting plate; 205. spring; 206. support plate; 3. lower die; 301. mold core; 302. hydraulic rod; 303. first embedding groove; 304. second embedding groove; 305. second base; 306. bottom plate; 307. cylinder; 308. third embedding groove; 309. limit rod. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0019] Reference Figure 1-4 , a noise reduction automobile stamping die, comprising a lower die 3, an upper die 1 is sleeved and installed on the upper surface of the lower die 3, and a noise reduction structure 2 is fixedly installed on the lower surface of the upper die 1;

[0020] The upper die 1 includes an embedding hole 101, a top plate 102, a first base 103, and a mold core 104. The upper surface of the top plate 102 is provided with embedding holes 101 at four corners, and the embedding holes 101 are four groups. The lower surface of the top plate 102 is fixedly installed with a first base 103, and the lower surface of the first base 103 is fixedly installed with a mold core 104. The top plate 102 can move up and down under the action of the limit rod 309, and the lateral position remains unchanged, thereby maintaining the stability of the stamping; the lower die 3 includes a mold core 301, a hydraulic rod 302, a first embedding groove 303, a second embedding groove 304, a second base 305, a bottom plate 306, an air The cylinder 307, the third embedded groove 308, the limit rod 309, the upper surface of the bottom plate 306 is located at the four corners and fixedly installed with the limit rods 309, and the limit rods 309 are four groups. The upper surface of the bottom plate 306 is located at the middle position and has a third embedded groove 308. The cylinder 307 is embedded inside the third embedded groove 308. The hydraulic rod 302 is fixedly installed on the upper surface of the cylinder 307. The second base 305 is fixedly installed on the upper surface of the bottom plate 306. The upper surface of the second base 305 is located at the middle position and has a first embedded groove 303. The hydraulic rod 302 is embedded inside the first embedded groove 303. The second base 305 is fixedly installed on the upper surface of the bottom plate 306. The upper surface of the second base 305 is provided with a second embedding groove 304 at the edge position, the upper surface of the second base 305 is provided with a mold core 301 movably installed at the middle position, and the hydraulic rod 302 is connected to the mold core 301; the upper die 1 and the lower die 3 are respectively embedded and installed in the embedding hole 101 through the limit rod 309; the noise reduction structure 2 includes a first sound insulation board 201, a sound absorbing sponge 202, a second sound insulation board 203, a connecting plate 204, a spring 205, and a supporting plate 206. The inner surface of the first sound insulation board 201 is provided with a sound absorbing sponge 202 embedded and installed near the lower position, and the inner surface of the sound absorbing sponge 202 is provided with a second sound insulation board 206. Plate 203, when the upper die 1 is pressed down, the second sound insulation plate 203 is embedded in the second embedding groove 304, the support plate 206 contacts the upper surface of the second base 305, the lower surface of the sound absorbing sponge 202 is fixedly installed with a connecting plate 204, the lower surface of the connecting plate 204 is fixedly installed with springs 205, the springs 205 are eight groups, and the lower surface of the springs 205 is fixedly connected with the support plate 206; the upper die 1 and the noise reduction structure 2 are fixedly installed on the lower surface of the top plate 102 through the first sound insulation plate 201, and are located on the surface of the first base 103, and the sound absorbing sponge 202 and the second sound insulation plate 203 are located below the first base 103.

[0021] The implementation principle of the embodiment of the noise reduction automobile stamping die of the present application is as follows: when in use, the stamping operation is performed by the joint action of the upper stamping die 1 and the lower stamping die 3, and the noise generated during the stamping operation is reduced by the noise reduction structure 2; the top plate 102 is placed above the bottom plate 306, so that the limit rod 309 is embedded in the inside of the embedding hole 101, and the first base 103 and the mold core 104 are pressed downward, so as to perform the stamping operation, and when the first base 103 is pressed downward, the first sound insulation board 201 and the sound absorbing sea The sponge 202 and the second sound insulation plate 203 are pressed down together, so that the second sound insulation plate 203 is embedded in the second embedding groove 304, and the support plate 206 contacts the second base 305 under the action of the spring 205 under the connecting plate 204, and compresses the spring 205, thereby performing multiple noise reduction treatments. When the stamping operation is completed, the cylinder 307 inside the third embedding groove 308 is started, so that the hydraulic rod 302 inside the first embedding groove 303 moves upward, thereby performing rapid demolding.

[0022] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. Noise reduction automobile stamping die, characterized by: The present invention comprises a lower pressing die (3), wherein the lower pressing die (3) comprises a die core (301), a hydraulic rod (302), a first embedding groove (303), a second embedding groove (304), a second base (305), a bottom plate (306), a cylinder (307), a third embedding groove (308), and a limiting rod (309). The limiting rods (309) are fixedly installed at four corners of the upper surface of the bottom plate (306), and the limiting rods (309) are in four groups. The upper surface of the bottom plate (306) is provided with a third embedding groove (308) at a middle position, and a cylinder (307) is embedded and installed inside the third embedding groove (308). The upper surface of the cylinder (307) is provided with a plurality of A hydraulic rod (302) is fixedly mounted on the upper surface of the bottom plate (306); a second base (305) is fixedly mounted on the upper surface of the bottom plate (306); a first embedding groove (303) is provided at a middle position on the upper surface of the second base (305); the hydraulic rod (302) is embedded in the first embedding groove (303); a second embedding groove (304) is provided at an edge position on the upper surface of the second base (305); a mold core (301) is movably mounted at a middle position on the upper surface of the second base (305); an upper die (1) is sleeved on the upper surface of the lower die (3); and a noise reduction structure (2) is fixedly mounted on the lower surface of the upper die (1).

2. The noise reduction automobile stamping die according to claim 1, characterized in that: The upper pressing die (1) comprises embedding holes (101), a top plate (102), a first base (103), and a mold core (104); the top plate (102) has embedding holes (101) at four corners on its upper surface, and the embedding holes (101) are in four groups; the first base (103) is fixedly mounted on the lower surface of the top plate (102); and the mold core (104) is fixedly mounted on the lower surface of the first base (103).

3. The noise reduction automobile stamping die according to claim 2, characterized in that: The upper pressing die (1) and the lower pressing die (3) are respectively embedded and installed inside the embedding hole (101) via a limiting rod (309).

4. The noise reduction automobile stamping die according to claim 3, characterized in that: The noise reduction structure (2) comprises a first sound insulation board (201), a sound absorbing sponge (202), a second sound insulation board (203), a connecting plate (204), a spring (205), and a support plate (206); the inner surface of the first sound insulation board (201) is embedded with a sound absorbing sponge (202) at a position close to the bottom; the inner surface of the sound absorbing sponge (202) is embedded with a second sound insulation board (203); the lower surface of the sound absorbing sponge (202) is fixedly mounted with a connecting plate (204); the lower surface of the connecting plate (204) is fixedly mounted with a spring (205); the springs (205) are in eight groups; and the lower surface of the springs (205) is fixedly connected with a support plate (206).

5. The noise reduction automobile stamping die according to claim 4, characterized in that: The upper die (1) and the noise reduction structure (2) are fixedly mounted on the lower surface of the top plate (102) via a first sound insulation board (201) and are located on the surface of a first base (103); the sound absorbing sponge (202) and the second sound insulation board (203) are located below the first base (103).

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