Stamping die and stamping process for metal stamping part production

Abstract

The invention discloses a stamping die for metal stamping part production and a stamping process. The mold comprises a shell, an upper mold and a movable mold, the inner top wall of the shell is fixedly connected with a hydraulic rod, the inner top wall of the shell is fixedly connected with the top of a telescopic rod, the bottom of an output shaft on the hydraulic rod penetrates through the upper mold and is fixedly connected with the upper surface of the movable mold, and the upper mold penetrates through and is 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 under the upper die, a die hole is formed in the surface of the lower die, a rotating shaft is connected to the inner wall of the die hole in an up-down sliding mode, and a pushing plate is horizontally connected to the upper surface of the lower die in a sliding mode. By means of the rotating shaft arranged below the die, a stamping part in the die can be conveniently ejected out, separation of the die and the stamping part is achieved, and by means of the exhaust mechanism arranged above the die, the effect of blowing air for cleaning while stamping can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of stamping dies for producing metal stamping parts, and in particular to a stamping die and a stamping process for producing metal stamping parts. Background Art

[0002] Stamping refers to the use of stamping equipment to apply pressure to materials at room temperature to cause them to undergo plastic deformation or separation, thereby obtaining a desired part. Commonly used stamping processes use a special process equipment that uses two sets of upper and lower stamping dies to place the material 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 of production, reduces the efficiency of production, and is not conducive to efficient processing. Summary of the invention

[0004] The purpose of the present invention is to provide a stamping die and stamping process for producing metal stamping parts, which have the advantage of automatically cleaning debris and waste during the stamping process and solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a stamping die for producing metal stamping parts, comprising an outer shell, an upper die and a movable die, the inner top wall of the outer shell is fixedly connected to a hydraulic rod, the inner top wall of the outer shell is fixedly connected to the top of a telescopic rod, the bottom of an output shaft on the hydraulic rod passes through the upper die and is fixedly connected to 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 to the bottom of the telescopic rod, a lower die is arranged directly below the upper die, a die hole is opened on the surface of the lower die, a rotating shaft is slidably connected to the inner wall of the die hole, and a push plate is horizontally slidably connected to the upper surface of the lower die.

[0006] Preferably, the inner wall of the outer shell is penetrated by and rotatably connected with a lower transmission rod, the end of the lower transmission rod is fixedly connected with a transmission plate, the surface of the transmission plate at one end away from the lower transmission rod is rotatably connected with a connecting rod via a pin shaft, the top of the connecting rod is fixedly connected with a base, the surface of the base is provided with a spherical groove and is rotatably connected with a first universal ball via the spherical groove, and the surface of the first universal ball is fixedly connected to the bottom of the rotating shaft.

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

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

[0009] Preferably, a bottom mold is fixedly connected to the inner wall of the shell, a groove matching the transmission shaft is formed on the side of the bottom mold, and the upper surface of the bottom mold is fixedly connected to the lower surface of the lower mold.

[0010] Preferably, the top of the rotating shaft is a spherical arc surface, a thread groove is provided on the arc profile of the rotating shaft, and a protrusion is clamped on the inner wall of the thread groove, and the end of the protrusion away from the rotating shaft is fixedly connected to the inner wall of the bottom mold.

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

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

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a rotating shaft below the mold to facilitate ejection of the stamping parts in the mold, thereby achieving separation of the mold and the stamping parts for easy removal.

[0014] 2. The present invention can realize loading and unloading of stamping parts by arranging a sliding rod on the surface of the lower die and a spring block on the sliding rod.

[0015] 3. The present invention can achieve the effect of stamping and blowing for cleaning at the same time by means of the exhaust mechanism arranged above the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the stamping die of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the part where the rotating shaft of the present invention is located; Figure 4 It is a schematic diagram of the three-dimensional structure of the part where the sliding rod of the present invention is located; Figure 5 It is a schematic diagram of the three-dimensional structure of the exhaust mechanism of the present invention; Figure 6 For the present invention Figure 3 Schematic diagram of the structure at A in the middle; Figure 7 For the present invention Figure 4 Schematic diagram of the structure at B in the middle; Figure 8 It is a three-dimensional structural schematic diagram of the movable mold portion of the present invention; Fig. 9 It is a front structural schematic diagram of the present invention; Fig.10 For the present invention Figure 7 Schematic diagram of the structure at C in the middle; Fig.11 It is a flow chart of the stamping process of the present invention.

[0017] In the figure: 1. shell; 2. one-way valve; 3. filter screen; 4. hydraulic rod; 5. telescopic rod; 6. exhaust mechanism; 7. upper mold; 8. movable mold; 9. bottom mold; 10. top cylinder; 11. cylinder plug; 12. bump; 13. sliding rod; 14. gas rod; 15. bottom plug; 16. second one-way valve; 17. lower mold; 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. rotating shaft; 28. third universal ball; 29. ​​connecting shaft; 30. transmission shaft; 31. second universal ball; 32. second transmission rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0019] See also Figures 1 to 10The present invention provides a technical solution: a stamping die for producing metal stamping parts, comprising a shell 1, an upper die 7 and a movable die 8, characterized in that: a hydraulic rod 4 is fixedly connected to the inner top wall of the shell 1, the inner top wall of the shell 1 is fixedly connected to the top of a telescopic rod 5, the bottom of the output shaft on the hydraulic rod 4 passes through the upper die 7 and is fixedly connected to 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 to the bottom of the telescopic rod 5, a lower die 17 is arranged directly below the upper die 7, a die hole 18 is opened on the surface of the lower die 17, a rotating shaft 27 is slidably connected to the inner wall of the die hole 18 up and down, and a push plate 19 is horizontally slidably connected to the upper surface of the lower die 17.

[0020] When in use, firstly, the movable mold 8 is driven to move downward by the output end of the hydraulic rod 4, and the upper surface of the movable mold 8 is fixedly connected to the upper mold 7, and stamping is performed by the downward movement of the movable mold 8. An exhaust mechanism 6 and a telescopic rod 5 are provided on the upper mold 7, and the upper mold 7 and the movable mold 8 are penetrated and fixedly connected by the exhaust mechanism 6. The exhaust mechanism 6 is placed above the lower mold 17. A mold hole 18 for placing the stamped part is opened in the center of the lower mold 17, and the inner wall of the mold hole 18 is connected to the rotating shaft 27 by sliding up and down. The rotating shaft 27 moves upward to eject the processed stamped part, and the upper surface of the lower mold 17 is slidably connected to the pushing plate 19, so that the rotating shaft 27 ejects the separated stamped part upward, and at the same time, the pushing plate 19 and other components push the stamped part forward horizontally out of the mold platform. Example

[0021] On the basis of the first embodiment, further: The inner wall of the housing 1 is penetrated and rotatably connected with a lower transmission rod 20, the end of the lower transmission rod 20 is fixedly connected with a transmission plate 21, the surface of the transmission plate 21 at one end away from the lower transmission rod 20 is rotatably connected with a connecting rod 24 through a pin, the top of the connecting rod 24 is fixedly connected with a base 25, the surface of the base 25 is provided with a spherical groove and is rotatably connected with a first universal ball 26 through the spherical groove, and the surface of the first universal ball 26 is fixedly connected to the bottom of the rotating shaft 27.

[0022] When in use, first, driven by the power mechanism, the lower transmission rod 20 rotates and drives the transmission plate 21 fixed at one end of the lower transmission rod 20 to rotate, a pin is provided at one end of the transmission plate 21, and a connecting rod 24 is provided at one end of the pin. The connecting rod 24 is driven by the pin, and a base 25 connected to the first universal ball 26 is provided at one end of the connecting rod 24. Finally, the surface of the first universal ball 26 is fixedly connected to the bottom of the rotating shaft 27, and the rotating shaft 27 is moved upward through the transmission of the mechanism. Example

[0023] On the basis of the second embodiment, further: The inner wall of the shell 1 is penetrated by and connected with a connecting shaft 29 for fixed axis rotation, 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 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 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 the third universal ball 28 to rotate, 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 to the surface of the sliding rod 13.

[0024] When in use, first, driven by the power mechanism, the connecting shaft 29 transmits the transmission shaft 30 set at one end of the connecting shaft 29, and a second universal ball 31 connected to the second transmission rod 32 is set at one end of the transmission shaft 30. The second transmission rod 32 is fixedly connected to the surface of the third universal ball 28 at the end away from the second universal ball 31, and the third universal ball 28 is fixedly connected to the transmission block 22. Through the transmission of the mechanism, the transmission block 22 moves back and forth in the horizontal direction, and the surface of the transmission block 22 is fixedly connected to the push plate 19, and the surface of the push plate 19 is fixedly connected to the surface of the sliding rod 13, thereby realizing the horizontal back and forth movement of the sliding rod 13 on the surface of the lower mold 17, so that it can horizontally push the collection of the stamped parts after processing. Example

[0025] On the basis of the third embodiment, further: The exhaust mechanism 6 includes a top cylinder 10, and a cylinder plug 11 is slidably connected to the inner wall of the top cylinder 10, and a gas rod 14 is fixedly connected to the lower surface of the cylinder plug 11. A one-way valve 2 is penetrated and fixedly connected to the arc-shaped contour near the top of the gas rod 14, and the surface of the gas rod 14 is axially slidably connected to a bottom plug 15 fixed to the inner wall of the top cylinder 10, and the surface of the bottom plug 15 is penetrated and fixedly connected to a second one-way valve 16, the bottom of the gas rod 14 faces the mold hole 18, and a filter screen 3 is fixedly connected to the inner wall of the gas rod 14 near the bottom.

[0026] When in use, the output end of the hydraulic rod 4 moves downward, and the exhaust mechanism 6 arranged on the upper mold 7 moves downward at the same time. A tube plug 11 is arranged on the gas rod 14 on the inner wall of the top cylinder 10, and is slidably connected up and down, and the surface of the gas rod 14 is slidably connected to the bottom plug 15 fixed at the bottom of the top cylinder 10. A one-way valve 2 is penetrated and fixedly connected on the arc profile of the gas rod 14, and a second one-way valve 16 is penetrated and fixedly connected on the surface of the bottom plug 15, and the bottom of the gas rod 14 faces the mold hole 18. When the exhaust mechanism 6 moves 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 moves downward, the one-way valve 2 is opened, the second one-way valve 16 is closed, and the gas is squeezed through the one-way valve 2 into the gas rod 14, and is discharged to the position of the mold hole 18 through the filter net 3, thereby realizing the purpose of automatic blowing for cleaning during the stamping process. Example

[0027] On the basis of the fourth embodiment, further: The inner wall of the housing 1 is fixedly connected with a bottom mold 9 , and a groove matching with the transmission shaft 30 is formed on the side of the bottom mold 9 . The upper surface of the bottom mold 9 is fixedly connected with the lower surface of the lower mold 17 . Example

[0028] On the basis of the fifth embodiment, further: The top of the rotating shaft 27 is a spherical arc surface. A thread groove is opened on the arc profile of the rotating shaft 27, and a protrusion 12 is clamped on the inner wall of the thread groove. The end of the protrusion 12 away from the rotating shaft 27 is fixedly connected to the inner wall of the bottom mold 9.

[0029] When in use, first, the top of the rotating shaft 27 is set to be a spherical arc surface, and the top of the spherical arc surface is movably connected to the lower surface of the processed stamping part, a threaded groove is set on the arc profile of the rotating shaft 27 and a protrusion 12 is set on the inner wall of the bottom mold 9. When the rotating shaft 27 moves upward, the protrusion 12 on the inner wall of the bottom mold 9 is engaged with the threaded groove on the rotating shaft 27, so that the rotating shaft 27 rotates upward, thereby realizing the ejection and separation of the stamping part. Example

[0030] On the basis of the sixth embodiment, further: A spring block 23 is fixedly connected to the lower surface of the sliding rod 13 , and the number of the spring blocks 23 is four. The bottom of the spring block 23 is movably connected to the lower mold 17 .

[0031] When in use, four spring blocks 23 are set below the sliding rod 13, and the bottom of the spring block 23 is movably connected to the lower mold 17. The stamping parts to be processed are placed at the bottom of the sliding rod 13, the spring block 23 fixes the stamping parts to be processed, and the sliding rod 13 moves backward to achieve the effect of automatic feeding. Example

[0032] On the basis of the seventh embodiment, further: The top of the spherical arc surface of the lower transmission rod 20 is movably connected to the lower surface of the part to be processed placed in the die hole 18, and the sliding rod 13 is movably connected to the stamping part ejected by the lower transmission rod 20.

[0033] When in use, the power mechanism drives the lower transmission rod 20 to rotate, 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 mold 9, and the rotating shaft 27 rotates upward to eject the stamping part in the mold hole 18. At the same time, driven by the power mechanism, the sliding rod 13 on the transmission component moves forward, pushing the ejected stamping part horizontally forward.

[0034] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification and the drawings can also be directly processed according to the existing technical common sense without any doubt. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stamping die for producing metal stamping parts, comprising a housing (1), an upper die (7) and a movable die (8), characterized in that: The inner top wall of the housing (1) is fixedly connected to a hydraulic rod (4), the inner top wall of the housing (1) is fixedly connected to the top of the telescopic rod (5), and the bottom of the output shaft on the hydraulic rod (4) passes through the upper mold (7) and is fixedly connected to the upper surface of the movable mold (8).

2. A stamping die for producing metal stamping parts according to claim 1, characterized in that: The upper mold (7) is penetrated by and fixedly connected with an exhaust mechanism (6); the upper surface of the upper mold (7) is fixedly connected to the bottom of the telescopic rod (5); a lower mold (17) is arranged directly below the upper mold (7); and a mold hole (18) is opened on the surface of the lower mold (17).

3. A stamping die for producing metal stamping parts according to claim 2, characterized in that: The inner wall of the mold hole (18) is slidably connected to a rotating shaft (27) up and down, and the upper surface of the lower mold (17) is horizontally slidably connected to a pushing plate (19); the inner wall of the housing (1) is penetrated and rotatably connected to a lower transmission rod (20), the end of the lower transmission rod (20) is fixedly connected to a transmission sheet (21), the surface of the transmission sheet (21) away from the lower transmission rod (20) is rotatably connected to a connecting rod (24) via a pin, the top of the connecting rod (24) is fixedly connected to a base (25), and the surface of the base (25) is provided with a spherical The first universal ball (26) is rotatably connected to the groove through the spherical groove, and the surface of the first universal ball (26) is fixedly connected to the bottom of the rotating shaft (27); the inner wall of the housing (1) is penetrated by a connecting shaft (29) and is rotatably connected to the connecting shaft (29), the end of the connecting shaft (29) is fixedly connected to a transmission shaft (30), the end of the transmission shaft (30) is provided with a spherical groove and is transmission-connected to a second universal ball (31) through the spherical groove, the surface of the second universal ball (31) is fixedly connected to a second transmission rod (32), and the second transmission rod (32) is away from the second universal ball (31). One end of the universal ball (31) is fixedly connected to a third universal ball (28); the upper surface of the lower mold (17) is horizontally slidably connected to a transmission block (22); the surface of the transmission block (22) is provided with a hemispherical groove for the third universal ball (28) to rotate; the surface of the transmission block (22) is fixedly connected to a push plate (19); the surface of the transmission block (22) is fixedly connected to a sliding rod (13); the surface of the push plate (19) is fixedly connected to the surface of the sliding rod (13); the exhaust mechanism (6) comprises a top cylinder (10); the top cylinder (10) The inner wall is slidably connected to a cylinder plug (11), the lower surface of the cylinder plug (11) is fixedly connected to a gas rod (14), a one-way valve (2) is penetrated and fixedly connected to the arc-shaped contour near the top of the gas rod (14), the surface of the gas rod (14) is axially slidably connected to 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 to a second one-way valve (16), the bottom of the gas rod (14) faces the mold hole (18), and the inner wall near the bottom of the gas rod (14) is fixedly connected to a filter screen (3).

4. A stamping die for producing metal stamping parts according to claim 3, characterized in that: A bottom mold (9) is fixedly connected to the inner wall of the housing (1), and a groove matching the transmission shaft (30) is formed on the side surface of the bottom mold (9).

5. A stamping die for producing metal stamping parts according to claim 4, characterized in that: The upper surface of the bottom mold (9) is fixedly connected to the lower surface of the lower mold (17).

6. A stamping die for producing metal stamping parts according to claim 5, characterized in that: The top of the rotating shaft (27) is a spherical arc surface, a thread groove is provided on the arc profile of the rotating shaft (27), and a protrusion (12) is clamped on the inner wall of the thread groove, and the end of the protrusion (12) away from the rotating shaft (27) is fixedly connected to the inner wall of the bottom mold (9).

7. A stamping die for producing metal stamping parts according to claim 6, characterized in that: A spring block (23) is fixedly connected to the lower surface of the sliding rod (13), and the number of the spring blocks (23) is four. The bottom of the spring block (23) is movably connected to the lower mold (17).

8. A stamping die for producing metal stamping parts according to claim 7, characterized in that: The top of the spherical arc surface of the lower transmission rod (20) is movably connected to the lower surface of the part to be processed placed in the die hole (18), and the sliding rod (13) is movably connected to the stamping part ejected by the lower transmission rod (20).

9. A stamping process using a stamping die for producing metal stamping parts according to claim 7, characterized in that: The stamping process comprises the following steps: S1. Placing the stamped parts: In the initial state, the movable die (8) is located directly above the lower die (17), the connecting shaft (29) is driven by the power mechanism to rotate, and the sliding rod (13) is driven by the transmission component to move horizontally forward, and the stamped parts to be processed are placed under the sliding rod (13), and the stamped parts to be processed are clamped by the spring block (23) arranged under the sliding rod (13). The transmission component is driven by the power mechanism, and the sliding rod (13) drives the stamped parts to be processed to move horizontally backward, and the stamped parts to be processed are placed directly under the movable die (8); S2. Stamping: A stamping block matching the lower die (17) is provided on the lower surface of the movable die (8), and a hydraulic rod (4) is installed on the upper surface of the movable die (8). The output end of the hydraulic rod (4) drives the movable die (8) to move downward to perform stamping work; S3, exhaust cleaning: during stamping, the gas rod (14) slides downward on the inner wall of the top cylinder (10), and the internal air enters the inner wall of the gas rod (14) through the one-way valve (2) on the outer contour of the gas rod (14), and the gas is discharged to the upper surface of the lower mold (17) through the filter screen (3) provided on the gas rod (14), blowing away the debris remaining on the lower mold (17), thereby achieving a cleaning effect; S4, ejection separation: After the stamping is completed, the lower transmission rod (20) is driven to rotate by the power mechanism, and 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 mold (9), and the rotating shaft (27) rotates upward to eject the stamped part in the mold hole (18). At the same time, driven by the power mechanism, the sliding rod (13) on the transmission component moves forward to push the ejected stamped part forward horizontally.

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