Stamping die and stamping process for metal stamping part production

Abstract

The application discloses a stamping die for metal stamping part production and a stamping process. The application comprises an outer shell, an upper die and a movable die. The inner top wall of the outer shell is fixedly connected with a hydraulic rod. The inner top wall of the outer shell is fixedly connected with the top of a telescopic rod. The bottom of the output shaft of the hydraulic rod penetrates the upper die and is fixedly connected with the upper surface of the movable die. The upper die is penetrated and fixedly connected with an exhaust mechanism. The upper surface of the upper die is fixedly connected with the bottom of the telescopic rod. A lower die is arranged directly below the upper die. The surface of the lower die is provided with a die hole. A rotating shaft is slidably connected to the inner wall of the die hole. The upper surface of the lower die is horizontally slidably connected with a push plate. The rotating shaft arranged below the die facilitates the ejection of the stamping part in the die, realizes the separation of the die and the stamping part, and the exhaust mechanism arranged above the die can achieve the effect of stamping and cleaning by blowing air.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of stamping die for metal stamping part production, in particular to a stamping die for metal stamping part production and a stamping process. BACKGROUND

[0002] Stamping refers to applying pressure to materials at room temperature by using stamping equipment to make them produce plastic deformation or separation, so as to obtain a required part. The commonly used stamping process is a special process equipment that uses two sets of stamping dies to cooperate and places materials between the two sets of dies for stamping.

[0003] In the existing stamping process of metal stamping parts, there is a problem of automatic cleaning of debris generated on the surface of the stamping die, which reduces the safety and efficiency of production and is not convenient for efficient processing. SUMMARY

[0004] The present application aims to provide a stamping die for metal stamping part production and a stamping process, which has the advantage of automatically cleaning debris and waste materials during the stamping process, and solves the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a stamping die for metal stamping part production, comprising an outer shell, an upper die and a moving die, the inner top wall of the outer shell is fixedly connected with a hydraulic rod, the inner top wall of the outer shell is fixedly connected with the top of a telescopic rod, the bottom of the output shaft of the hydraulic rod penetrates the upper die and is fixedly connected with the upper surface of the moving die, the upper die is penetrated and fixedly connected with an exhaust mechanism, the upper surface of the upper die is fixedly connected with the bottom of the telescopic rod, a lower die is arranged directly below the upper die, a die hole is formed in the surface of the lower die, a rotating shaft is slidably connected to the inner wall of the die hole, and a pushing plate is slidably connected to the upper surface of the lower die.

[0006] Preferably, the inner wall of the outer shell is penetrated and fixedly connected with a lower transmission rod, the end of the lower transmission rod is fixedly connected with a transmission sheet, the surface of the end of the transmission sheet away from the lower transmission rod is rotatably connected with a connecting rod through a pin shaft, the top of the connecting rod is fixedly connected with a base, a spherical groove is formed in the surface of the base and rotatably connected with a first universal ball through the spherical groove, and the surface of the first universal ball is fixedly connected with the bottom of the rotating shaft.

[0007] Preferably, the inner wall of the shell is penetrated and pivotally connected with a connecting shaft, the end of the connecting shaft is fixedly connected with a transmission shaft, the end of the transmission shaft is provided with a spherical groove and is transmissionally connected with a second universal ball through the spherical groove, the surface of the second universal ball is fixedly connected with a second transmission rod, the end of the second transmission rod away from the second universal ball is fixedly connected with a third universal ball, the upper surface of the lower mold is horizontally slidably connected with a transmission block, the surface of the transmission block is provided with a hemispherical groove for the rotation of the third universal ball, the surface of the transmission block is fixedly connected with a push plate, the surface of the transmission block is fixedly connected with a sliding rod, and the surface of the push plate is fixedly connected with the surface of the sliding rod.

[0008] Preferably, the exhaust mechanism comprises a top cylinder, a cylinder plug is slidably connected to the inner wall of the top cylinder, a gas rod is fixedly connected to the lower surface of the cylinder plug, a one-way valve is fixedly connected to the arc-shaped contour of the gas rod close to the top, a bottom plug is axially slidably connected to the surface of the gas rod and fixed to the inner wall of the top cylinder, a second one-way valve is fixedly connected to the surface of the bottom plug, the bottom of the gas rod faces the mold hole, and a filter screen is fixedly connected to the inner wall of the gas rod close to the bottom.

[0009] Preferably, the inner wall of the shell is fixedly connected with a bottom mold, the side surface of the bottom mold is provided with a groove matched with the transmission shaft, and the upper surface of the bottom mold is fixedly connected with the lower surface of the lower mold.

[0010] Preferably, the top of the rotating shaft is a spherical arc surface, a threaded groove is formed in the arc-shaped contour of the rotating shaft, and a protrusion is clamped in the inner wall of the threaded groove, and the end of the protrusion away from the rotating shaft is fixedly connected with the inner wall of the bottom mold.

[0011] Preferably, the lower surface of the sliding rod is fixedly connected with four spring blocks, and the bottom of the spring block is movably connected with the lower mold.

[0012] Preferably, the top of the spherical arc surface of the lower transmission rod is movably connected with the lower surface of the stamping part to be processed placed in the mold hole, and the sliding rod is movably connected with the stamping part ejected by the lower transmission rod.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] 1. The rotating shaft arranged below the mold is used to eject the stamping part in the mold, so that the mold and the stamping part are separated, and the stamping part is convenient to take.

[0015] 2. The sliding rod arranged on the surface of the lower mold and provided with spring blocks can realize the feeding and discharging of the stamping part.

[0016] 3. The exhaust mechanism arranged above the mold can achieve the effect of stamping and cleaning by blowing air at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0018] Figure 2 is a schematic diagram of the three-dimensional structure of the stamping die of the present application;

[0019] Figure 3 is a schematic diagram of the three-dimensional structure of the shaft part of the present application;

[0020] Figure 4 is a schematic diagram of the three-dimensional structure of the sliding rod part of the present application;

[0021] Figure 5 is a schematic diagram of the three-dimensional structure of the exhaust mechanism of the present application;

[0022] Figure 6 is a schematic diagram of the structure at A in the present application; Figure 3

[0023] Figure 7 is a schematic diagram of the structure at B in the present application; Figure 4

[0024] Figure 8 is a schematic diagram of the three-dimensional structure of the movable die part of the present application;

[0025] Figure 9 is a schematic diagram of the front structure of the present application;

[0026] Figure 10 is a schematic diagram of the structure at C in the present application; Figure 7

[0027] Figure 11 is a flowchart of the stamping process of the present application.

[0028] In the figure: 1, outer shell; 2, one-way valve; 3, filter screen; 4, hydraulic rod; 5, telescopic rod; 6, exhaust mechanism; 7, upper die; 8, movable die; 9, bottom die; 10, top cylinder; 11, cylinder plug; 12, protruding block; 13, sliding rod; 14, air rod; 15, bottom plug; 16, second one-way valve; 17, lower die; 18, mold hole; 19, push plate; 20, lower transmission rod; 21, transmission sheet; 22, transmission block; 23, spring block; 24, connecting rod; 25, base; 26, first universal ball; 27, shaft; 28, third universal ball; 29, connecting shaft; 30, transmission shaft; 31, second universal ball; 32, second transmission rod. DETAILED DESCRIPTION

[0029] ​​​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Embodiment one:

[0030] Please refer to Figures 1 to 10 The present application provides a technical solution: a stamping die for metal stamping part production, comprising a shell 1, an upper die 7 and a movable die 8, characterized in that: the inner top wall of the shell 1 is fixedly connected with a hydraulic rod 4, the inner top wall of the shell 1 is fixedly connected with the top of a telescopic rod 5, the bottom of the output shaft of the hydraulic rod 4 penetrates the upper die 7 and is fixedly connected with the upper surface of the movable die 8, the upper die 7 is penetrated and fixedly connected with an exhaust mechanism 6, the upper surface of the upper die 7 is fixedly connected with the bottom of the telescopic rod 5, a lower die 17 is arranged directly below the upper die 7, a die hole 18 is formed in the surface of the lower die 17, a rotating shaft 27 is slidably connected to the inner wall of the die hole 18, and a push plate 19 is horizontally slidably connected to the upper surface of the lower die 17.

[0031] In use, first, the movable die 8 is driven downward by the output end of the hydraulic rod 4, the upper surface of the movable die 8 is fixedly connected with the upper die 7, and stamping is performed by the downward movement of the movable die 8, the upper die 7 is provided with the exhaust mechanism 6 and the telescopic rod 5, the upper die 7 and the movable die 8 are penetrated and fixedly connected by the exhaust mechanism 6, the exhaust mechanism 6 is arranged above the lower die 17, the die hole 18 for placing the stamping part is formed in the center of the lower die 17, the rotating shaft 27 is slidably connected to the inner wall of the die hole 18, the rotating shaft 27 is moved upward to eject the processed stamping part, and the push plate 19 is slidably connected to the upper surface of the lower die 17, which realizes the upward ejection of the rotating shaft 27 to separate the stamping part, and the push plate 19 and other components horizontally push the stamping part forward out of the die platform. Embodiment two:

[0032] Further based on embodiment one:

[0033] The inner wall of the shell 1 is penetrated and fixedly connected with a lower transmission rod 20, the end of the lower transmission rod 20 is fixedly connected with a transmission sheet 21, the surface of the end of the transmission sheet 21 away from the lower transmission rod 20 is rotatably connected with a connecting rod 24 through a pin shaft, the top of the connecting rod 24 is fixedly connected with a base 25, a spherical recess is formed in the surface of the base 25 and a first universal ball 26 is rotatably connected with the spherical recess, and the surface of the first universal ball 26 is fixedly connected with the bottom of the rotating shaft 27.

[0034] In use, first by in the power mechanism driven, the lower transmission rod 20 rotates and drives the transmission sheet 21 fixed at one end of the lower transmission rod 20 to rotate, one end of the transmission sheet 21 is provided with a pin shaft, and one end of the pin shaft is provided with a connecting rod 24, the connecting rod 24 is driven by the pin shaft, a base 25 connected with the first universal ball 26 is arranged at one end of the connecting rod 24, and the surface of the first universal ball 26 is fixedly connected with the bottom of the rotating shaft 27. Through the transmission of the mechanism, the rotating shaft 27 moves upward. Example three:

[0035] On the basis of example two, further is:

[0036] The inner wall of the shell 1 is penetrated and fixedly connected with a connecting shaft 29, the end of the connecting shaft 29 is fixedly connected with a transmission shaft 30, the end of the transmission shaft 30 is provided with a spherical groove and is driven by the spherical groove and is connected with a second universal ball 31, the surface of the second universal ball 31 is fixedly connected with a second transmission rod 32, the end of the second transmission rod 32 away from the second universal ball 31 is fixedly connected with a third universal ball 28, the upper surface of the lower mold 17 is horizontally slidably connected with a transmission block 22, the surface of the transmission block 22 is provided with a hemispherical groove for rotating the third universal ball 28, the surface of the transmission block 22 is fixedly connected with a push plate 19, the surface of the transmission block 22 is fixedly connected with a sliding rod 13, and the surface of the push plate 19 is fixedly connected with the surface of the sliding rod 13.

[0037] In use, first by in the power mechanism driven, the connecting shaft 29 drives the transmission shaft 30 arranged at one end of the connecting shaft 29, the second universal ball 31 connected with the second transmission rod 32 is arranged at one end of the transmission shaft 30, the second transmission rod 32 is fixedly connected with the surface of the third universal ball 28 at an end away from the second universal ball 31, and the third universal ball 28 is fixedly connected with the transmission block 22, through the transmission of the mechanism, the transmission block 22 moves forward and backward in the horizontal direction, the surface of the transmission block 22 is fixedly connected with the push plate 19, the surface of the push plate 19 is fixedly connected with the surface of the sliding rod 13, and the sliding rod 13 moves horizontally forward and backward on the surface of the lower mold 17, so that it can horizontally push the collection of the processed stamping parts. Example four:

[0038] On the basis of example three, further is:

[0039] The exhaust mechanism 6 comprises a top cylinder 10, the inner wall of the top cylinder 10 is slidably connected with a cylinder plug 11, the lower surface of the cylinder plug 11 is fixedly connected with a gas rod 14, the arc-shaped contour of the top of the gas rod 14 is fixedly connected with a one-way valve 2, the surface of the gas rod 14 is slidably connected with a bottom plug 15 fixed on the inner wall of the top cylinder 10, the surface of the bottom plug 15 is penetrated and fixedly connected with a second one-way valve 16, the bottom of the gas rod 14 is towards a mold hole 18, and the inner wall of the bottom of the gas rod 14 is fixedly connected with a filter screen 3.

[0040] In use, the output end of the hydraulic rod 4 is moved downward, the exhaust mechanism 6 provided on the upper die 7 is simultaneously moved downward, the cylinder plug 11 provided on the gas rod 14 is slidably connected on the inner wall of the top cylinder 10, the surface of the gas rod 14 is slidably connected with the bottom plug 15 fixed on the bottom of the top cylinder 10, the arc-shaped contour of the gas rod 14 is provided with the one-way valve 2 penetrated and fixedly connected, the surface of the bottom plug 15 is penetrated and fixedly connected with the second one-way valve 16, and the bottom of the gas rod 14 is towards the mold hole 18, when the exhaust mechanism 6 is moved upward, the one-way valve 2 is closed, the second one-way valve 16 is opened, and the gas enters the top cylinder 10, when the exhaust mechanism 6 is moved downward, the one-way valve 2 is opened, the second one-way valve 16 is closed, the gas is extruded to enter the gas rod 14 through the one-way valve 2, and is discharged to the position of the mold hole 18 through the filter screen 3, so that the purpose of automatic blowing and cleaning during the stamping process is achieved. Example five:

[0041] On the basis of example four, further more:

[0042] The inner wall of the shell 1 is fixedly connected with a bottom die 9, the side surface of the bottom die 9 is provided with a groove matched with a transmission shaft 30, and the upper surface of the bottom die 9 is fixedly connected with the lower surface of a lower die 17. Example six:

[0043] On the basis of example five, further more:

[0044] The top of the rotating shaft 27 is a spherical arc surface, the arc-shaped contour of the rotating shaft 27 is provided with a threaded groove, the inner wall of the threaded groove is clamped with a protruding block 12, and the end of the protruding block 12 away from the rotating shaft 27 is fixedly connected with the inner wall of the bottom die 9.

[0045] In use, first, the top of the rotating shaft 27 is a spherical arc surface, the top of the spherical arc surface is movably connected with the lower surface of the processed stamping part, the arc-shaped contour of the rotating shaft 27 is provided with a threaded groove, and the inner wall of the bottom die 9 is provided with the protruding block 12, when the rotating shaft 27 is moved upward, the protruding block 12 on the inner wall of the bottom die 9 is clamped with the threaded groove on the rotating shaft 27, so that the rotating shaft 27 is rotated upward, and the stamping part is separated by ejection. Example seven:

[0046] On the basis of embodiment six, further is:

[0047] The lower surface of the sliding rod 13 is fixedly connected with spring blocks 23, and the number of spring blocks 23 is four, the bottom of the spring block 23 is movably connected with the lower die 17.

[0048] In use, by setting spring blocks 23 under the sliding rod 13, and the number is four, the bottom of the spring block 23 is movably connected with the lower die 17, the stamping part to be processed is placed on the bottom of the sliding rod 13, the spring block 23 fixes the stamping part to be processed, the sliding rod 13 moves backward, realizing the effect of automatic feeding. Embodiment eight:

[0049] On the basis of embodiment seven, further is:

[0050] The top of the spherical arc surface of the lower transmission rod 20 is movably connected with the lower surface of the stamping part to be processed placed in the die hole 18, and the sliding rod 13 is movably connected with the stamping part ejected by the lower transmission rod 20.

[0051] In use, the lower transmission rod 20 is driven to rotate by the power mechanism, the rotating shaft 27 in the transmission component moves upward, the threaded groove on the outer contour of the rotating shaft 27 cooperates with the protrusion 12 fixed on the inner wall of the bottom die 9, the rotating shaft 27 rotates to eject the stamping part in the die hole 18 upward, at the same time, driven by the power mechanism, the sliding rod 13 on the transmission component moves forward to push the ejected stamping part horizontally forward.

[0052] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description and drawings can also be directly processed according to the existing technical knowledge without doubt, and the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment adopt the conventional models in the existing technology, so specific description is not made here.

[0053] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stamping die for producing a metal stamping, comprising a housing (1), an upper die (7) and a moving die (8), characterized in that: The inner top wall of the shell (1) is fixedly connected with a hydraulic rod (4), the inner top wall of the shell (1) is fixedly connected with the top of a telescopic rod (5), and the bottom of the output shaft of the hydraulic rod (4) penetrates the upper die (7) and is fixedly connected with the upper surface of the movable die (8); The upper die (7) is penetrated and fixedly connected with an exhaust mechanism (6), the upper surface of the upper die (7) is fixedly connected with the bottom of the telescopic rod (5), a lower die (17) is arranged directly below the upper die (7), and a die hole (18) is formed in the surface of the lower die (17); The inner wall of the die hole (18) is slidably connected with a rotating shaft (27), and the upper surface of the lower die (17) is slidably connected with a push plate (19); the inner wall of the shell (1) is penetrated and rotationally connected with a lower transmission rod (20), the end of the lower transmission rod (20) is fixedly connected with a transmission piece (21), the surface of the end of the transmission piece (21) away from the lower transmission rod (20) is rotationally connected with a connecting rod (24) through a pin shaft, the top of the connecting rod (24) is fixedly connected with a base (25), a spherical groove is formed in the surface of the base (25) and the base (25) is rotationally connected with a first universal ball (26) through the spherical groove, and the surface of the first universal ball (26) is fixedly connected with the bottom of the rotating shaft (27); the inner wall of the shell (1) is penetrated and rotationally connected with a connecting shaft (29), the end of the connecting shaft (29) is fixedly connected with a transmission shaft (30), a spherical groove is formed in the end of the transmission shaft (30) and the transmission shaft (30) is rotationally connected with a second universal ball (31) through the spherical groove, the surface of the second universal ball (31) is fixedly connected with a second transmission rod (32), the end of the second transmission rod (32) away from the second universal ball (31) is fixedly connected with a third universal ball (28), the upper surface of the lower die (17) is slidably connected with a transmission block (22), a hemispherical groove is formed in the surface of the transmission block (22) for rotation of the third universal ball (28), the surface of the transmission block (22) is fixedly connected with the push plate (19), the surface of the transmission block (22) is fixedly connected with a sliding rod (13), and the surface of the push plate (19) is fixedly connected with the surface of the sliding rod (13); the exhaust mechanism (6) comprises a top cylinder (10), the inner wall of the top cylinder (10) is slidably connected with a cylinder plug (11), the lower surface of the cylinder plug (11) is fixedly connected with a gas rod (14), a one-way valve (2) is fixedly connected to the arc-shaped contour of the top of the gas rod (14), the surface of the gas rod (14) is axially slidably connected with a bottom plug (15) fixed to the inner wall of the top cylinder (10), the surface of the bottom plug (15) is penetrated and fixedly connected with a second one-way valve (16), the bottom of the gas rod (14) faces the die hole (18), and the inner wall of the bottom of the gas rod (14) is fixedly connected with a filter screen (3). The lower surface of the sliding rod (13) is fixedly connected with spring blocks (23), and the number of the spring blocks (23) is four; the bottom of the spring block (23) is movably connected with the lower die (17); the stamping part to be processed is placed on the bottom of the sliding rod (13); the spring block (23) fixes the stamping part to be processed; the sliding rod (13) moves backward to realize automatic feeding.

2. The stamping die for producing a metal stamping part according to claim 1, characterized in that: The inner wall of the shell (1) is fixedly connected with a bottom die (9), and the side surface of the bottom die (9) is provided with a groove matched with the transmission shaft (30).

3. The stamping die for producing a metal stamping part according to claim 2, characterized in that: The upper surface of the bottom die (9) is fixedly connected with the lower surface of the lower die (17).

4. The stamping die for producing a metal stamping part according to claim 3, characterized in that: The top of the rotating shaft (27) is a spherical arc surface; a threaded groove is formed in the arc profile of the rotating shaft (27), and a protruding block (12) is clamped on the inner wall of the threaded groove; one end of the protruding block (12) away from the rotating shaft (27) is fixedly connected with the inner wall of the bottom die (9).

5. The stamping die for producing a metal stamping part according to claim 4, characterized in that: The spherical arc surface of the lower transmission rod (20) is movably connected with the lower surface of the stamping part to be processed placed in the die hole (18); the sliding rod (13) is movably connected with the stamping part ejected by the lower transmission rod (20).

6. A stamping process using the stamping die for a metal stamping part according to claim 5, characterized in that: The stamping process comprises the following steps: S1, placing the stamping part: in the initial state, the movable die (8) is located directly above the lower die (17); the connecting shaft (29) is driven to rotate by the power mechanism; the sliding rod (13) is driven to move horizontally forward by the transmission component; the stamping part to be processed is placed below the sliding rod (13); the spring block (23) arranged below the sliding rod (13) clamps the stamping part to be processed; the transmission component is driven by the power mechanism; the sliding rod (13) drives the stamping part to be processed to move horizontally backward; the stamping part to be processed is placed directly below the movable die (8); S2, stamping: the lower surface of the movable die (8) is provided with a stamping block matched with the lower die (17); the upper surface of the movable die (8) is provided with a hydraulic rod (4); the movable die (8) is driven to move downward by the output end of the hydraulic rod (4) to perform stamping work; S3, air exhaust and cleaning: during stamping, the air rod (14) slides downward in the inner wall of the top cylinder (10); the internal air enters the inner wall of the air rod (14) through the one-way valve (2) on the outer profile of the air rod (14); the gas is discharged to the upper surface of the lower die (17) through the filter screen (3) arranged on the air rod (14), blows away the debris remaining on the lower die (17), and achieves the cleaning effect; S4, ejection and separation: after stamping is completed, the lower transmission rod (20) is driven to rotate by the power mechanism; the rotating shaft (27) in the transmission component moves upward; the threaded groove on the outer profile of the rotating shaft (27) is matched with the protruding block (12) fixed on the inner wall of the bottom die (9); the rotating shaft (27) rotates to upwardly eject the stamping part in the die hole (18); meanwhile, the sliding rod (13) on the transmission component is driven to move forward by the power mechanism, and the ejected stamping part is horizontally pushed forward.

Images