Hybrid drive accumulator head deep drawing drilling device

Abstract

The application discloses a mixed driving accumulator head deep drawing drilling device, and relates to the technical field of hydraulic machine deep drawing drilling automation, which comprises an upper die part, a lower die part and a drilling part. The upper die part comprises an upper die plate, a blank holding oil cylinder, a male die seat, a male die, a blank holder pad, and a blank holder. The lower die part comprises a lower die seat, a lower die seat vertical plate, a female die, a female die seat, a material removing plate and a material removing spring. The drilling part comprises a drilling power part and a drilling feeding part. The drilling power part comprises a direct current speed regulating motor, a motor mounting seat, a lifting plate, a drill bit, a drill sleeve, a drill sleeve fixing seat, a lifting rod, a lifting plate, a lifting plate screw, a lifting plate spring, a wire gauge seat and a wire gauge mounting plate. The drilling feeding part comprises a servo motor, a bevel gear, a ball screw, a screw nut, a bearing and a screw rod moving mounting plate. The application has high automation degree, can complete two processes of drawing and drilling at one time, avoids positioning errors caused by secondary clamping, can eliminate part of deformation stress after drilling and improves the stability of the blank.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic machine deep drawing and drilling automation, in particular to a mixed drive accumulator head deep drawing and drilling device. BACKGROUND

[0002] The production process of similar products on the market is mainly to first prepare the head, use a die to complete the preparation through a punch press, and then machine. Since the head is mostly butterfly-shaped or bowl-shaped, it is very difficult to align during mechanical clamping. Although various types of clamping machining tooling have been designed by various manufacturers to improve the speed and accuracy of clamping, the stability of the blank preparation is poor, resulting in unsatisfactory machining accuracy and efficiency of the head. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the purpose of the present application is to provide a mixed drive accumulator head deep drawing and drilling device, which is compact in structure, easy to operate, high in automation, can complete the two processes of deep drawing and drilling at one time, avoids positioning errors caused by secondary clamping, and can eliminate part of the deformation stress after drilling to improve the stability of the blank.

[0004] In order to solve the above problems, the present application adopts the following technical scheme: a mixed drive accumulator head deep drawing and drilling device, characterized in that it comprises an upper die part, a lower die part, a drilling part,

[0005] The upper die part comprises an upper die plate, a blanking oil cylinder, a male die seat, a male die, a blanking ring pad, and a blanking ring. The upper die plate is provided with a connecting structure for mounting on a punch press. The center of the bottom of the upper die plate is provided with a male die seat. The lower end of the male die seat is provided with a male die. The periphery of the bottom of the upper die plate is provided with a blanking oil cylinder. The lower end of the piston rod of the blanking oil cylinder is fixed on the blanking ring pad. The bottom of the blanking ring pad is fixed with a blanking ring. The center of the blanking ring pad and the blanking ring is provided with a through hole matched with the male die,

[0006] The lower die part comprises a lower die seat, a lower die seat stand, a female die, a female die seat, a material striking plate, and a material striking spring. The lower die seat stand is located above the workbench surface of the punch press. The lower die seat is fixed on the upper end of the lower die seat stand. Three grooves are uniformly distributed on the upper end face of the lower die seat. The material striking plate and the material striking spring are contained in the grooves. The material striking spring is located behind the material striking plate. The edge of the upper end face of the material striking plate close to the center of the female die is provided with a transition fillet. The female die seat is arranged above the lower die seat. The female die is contained in the female die seat.

[0007] The drilling part comprises a drilling power part and a drilling feeding part.

[0008] The drilling power part comprises a DC speed-regulated motor, a motor mounting seat, a hoisting plate, a drill bit, a drill sleeve, a drill sleeve fixing seat, a hoisting rod, a hoisting plate, a hoisting plate screw, a hoisting plate spring, a wire gauge seat and a wire gauge mounting plate.

[0009] The drilling feeding part comprises a servo motor, a bevel gear, a ball screw, a nut, a bearing and a screw rod moving mounting plate.

[0010] Further, a dustproof ring mounting seat is arranged between the hoisting rod and the hoisting plate, a dustproof ring is arranged between the upper end of the dustproof ring mounting seat and the hoisting rod, and a linear bearing is arranged between the lower end of the dustproof ring mounting seat and the hoisting rod.

[0011] Further, the lower mold seat vertical plate is further provided with a first high-pressure airflow nozzle and a second high-pressure airflow nozzle.

[0012] The present application has the following advantages:

[0013] 1. The structure is compact, the operation is convenient, the degree of automation is high, the two processes of stretching and drilling can be completed at one time, the positioning error caused by secondary clamping is avoided, part of the deformation stress after drilling can be eliminated to improve the stability of the blank, the present application can be conveniently applied to the existing hydraulic machine without complex modification, the process and labor are saved, and the processing efficiency and precision are improved.

[0014] 2、the upper end face of the lower die seat is uniformly distributed with three grooves, the grooves contain the knock-off plate and the knock-off spring, the knock-off spring is located behind the knock-off plate, and the upper end of the knock-off plate close to the edge of the upper end face of the concave die is provided with a transition fillet. This structure design makes the punch push away the knock-off plate along the transition fillet of the knock-off plate when the punch is pressed down, so that the knock-off spring is compressed, the knock-off plate is always tightly pressed against the outer wall of the punch under the action of the knock-off spring, and when the punch returns, the knock-off plate will block the upper end face of the workpiece, so that the workpiece is stripped from the punch and falls onto the lifting plate and is sent into the basket by the pushing cylinder. The process of manual stripping of the workpiece is saved, time and labor are saved.

[0015] 3、the lower die seat vertical plate is further provided with a first high-pressure airflow nozzle and a second high-pressure airflow nozzle. When drilling, the controller controls the air valve to open, blows the drill bit through the first high-pressure airflow nozzle to cool it down, and blows the iron filings away from the position of the drill sleeve fixing seat on the lifting plate through the second high-pressure airflow nozzle, thereby solving the problems of cooling of the drill bit and removal of the iron filings.

[0016] 4、the dustproof ring mounting seat is provided between the lifting rod and the lifting plate, a dustproof ring is provided between the upper end of the dustproof ring mounting seat and the lifting rod, and a linear bearing is provided between the lower end of the dustproof ring mounting seat and the lifting rod. This structure design can not only ensure the smooth and accurate movement of the lifting plate relative to the lifting rod and ensure the accurate positioning of the lifting rod, but also can effectively prevent dust and iron filings from entering the linear bearing and affecting the operation and reducing the service life.

[0017] 5、the drill sleeve fixing seat is installed at the central part of the lifting plate, and the drill sleeve is embedded in the center of the drill sleeve fixing seat. This structure design can ensure the drilling accuracy and prevent the iron filings from entering the motor working area, thereby ensuring the smooth operation and accuracy of the machining.

[0018] 6、the lower end of the lifting plate is connected with the motor mounting seat through the lifting plate screw and the lifting plate spring. This structure design can ensure that the drill sleeve embedded in the drill sleeve fixing seat is in contact and pressed against the workpiece after positioning, and the motor continues to move forward through the compression spring, thereby achieving the purpose of accurate drilling.

[0019] 7、the mixed drive includes a blanking oil cylinder, a servo motor provides power for the drilling process, and a pneumatic part is additionally provided for cleaning the waste. The hydraulic, motor and pneumatic mixed drive mode can fully utilize the advantages of different drive modes, so that the structure of the deep drawing and drilling full-automatic device is more compact and reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in combination with the drawings and examples:

[0021] Figure 1 is a structural schematic diagram of the application;

[0022] Figure 2 is a structural schematic diagram of the lower die part and the drilling part of the application;

[0023] Figure 3 is Figure 2 Enlarged view of A in the figure.

[0024] In the figure: 1 upper die plate, 2 blank holder oil cylinder, 3 male die seat, 4 blank holder pad, 5 blank holder, 6 male die, 7 lower die seat vertical plate, 8 lower die seat, 9 ejector plate, 10 ejector spring, 11 female die seat, 12 female die, 13 workpiece, 14 lifting plate, 15 lifting rod, 16 drill bit, 17 lifting plate spring, 18 motor mounting seat, 19 wire gauge seat, 20 wire gauge mounting plate, 21 screw rod moving mounting plate, 22 DC speed regulating motor, 23 screw nut, 24 second high pressure airflow nozzle, 25 first high pressure airflow nozzle, 26 dustproof ring mounting seat, 27 linear bearing, 28 dustproof ring, 29 bevel gear, 30 wire gauge, 31 ball screw rod, 31 punch press workbench surface, 32 drill sleeve, 33 drill sleeve fixing seat, 34 lifting plate, 35 lifting plate screw, 36 servo motor, 37 workpiece. DETAILED DESCRIPTION

[0025] As Figure 1 , Figure 2 and Figure 3 indicated, a hybrid drive accumulator head deep drawing and drilling device includes an upper die part, a lower die part, and a drilling part.

[0026] The upper die part includes an upper die plate 1, a blank holder oil cylinder 2, a male die seat 3, a male die 6, a blank holder pad 4, and a blank holder 5. The upper die plate 1 is provided with a connecting structure for installation on a punch press. The center of the bottom of the upper die plate 1 is provided with the male die seat 3. The lower end of the male die seat 3 is provided with the male die 6. The periphery of the bottom of the upper die plate 1 is provided with the blank holder oil cylinder 2. The lower end of the telescopic rod of the blank holder oil cylinder 2 is fixed on the blank holder pad 4. The bottom of the blank holder pad 4 is fixed with the blank holder 5. The center of the blank holder pad 4 and the blank holder 5 is provided with a through hole matched with the male die 6.

[0027] The lower die part includes a lower die seat 8, a lower die seat vertical plate 7, a female die 12, a female die seat 11, an ejector plate 9, and an ejector spring 10. The lower die seat vertical plate 7 is located above the punch press workbench surface 31. The lower die seat 8 is fixed on the upper end of the lower die seat vertical plate 7. The upper end face of the lower die seat 8 is evenly provided with three grooves. The grooves contain the ejector plate 9 and the ejector spring 10. The ejector spring 10 is located behind the ejector plate 9. The edge of the upper end face of the ejector plate 9 close to the center of the female die 12 is provided with a transition fillet. The upper side of the lower die seat 8 is provided with the female die seat 11. The female die seat 11 contains the female die 12.

[0028] The drilling part includes a drilling power part and a drilling feeding part.

[0029] The drilling power part includes a DC motor 22, a motor mounting seat 18, a lifting plate 14, a drill bit 16, a drill sleeve 32, a drill sleeve fixing seat 33, a lifting rod 15, a lifting plate 34, a lifting plate screw 35, a lifting plate spring 17, a wire gauge seat 19, a wire gauge mounting plate 20, and a wire gauge 30. The drilling power part is lifted below the lifting plate 14, which is embedded in the groove of the lower mold seat vertical plate 7. The drill sleeve fixing seat 33 is installed at the center of the lifting plate 14. The drill sleeve 32 is embedded in the center of the drill sleeve fixing seat 33. Four lifting rods 15 are installed on the drill sleeve fixing seat 33. The lower end of the lifting rod 15 is connected with the lifting plate 34. The lower end of the lifting plate 34 is connected with the motor mounting seat 18 through the lifting plate screw 35 and the lifting plate spring 17. The DC motor 22 is installed below the motor mounting seat 18. The output shaft of the DC motor 22 is connected with the drill bit 16. One side of the motor mounting seat 18 is installed with the wire gauge seat 19. The wire gauge 30 is fixed on the wire gauge mounting plate 20. The wire gauge 30 is arranged in cooperation with the wire gauge seat 19. One end of the wire gauge mounting plate 20 is fixed on the lifting plate 14. The other end of the wire gauge mounting plate 20 is connected with the screw rod moving mounting plate 21.

[0030] The drilling feeding part includes a servo motor 36, a bevel gear 29, a ball screw 31, a nut 23, a bearing, and a screw rod moving mounting plate 21. The servo motor 36 is installed in the mounting hole of the lower mold seat vertical plate 7. The bevel gear 29 is installed on the main shaft of the servo motor 36. Another bevel gear 36 is installed on the ball screw 31. One end of the ball screw 31 is installed on the lifting plate 14 through a bearing. The other end of the ball screw 31 is installed on the screw rod moving mounting plate 21 through a bearing. The nut 23 is arranged on the motor mounting seat 18. The ball screw 31 is arranged in cooperation with the nut 23.

[0031] A dustproof ring mounting seat 26 is arranged between the lifting rod 15 and the lifting plate 14. A dustproof ring 28 is arranged between the upper end of the dustproof ring mounting seat 26 and the lifting rod 15. A linear bearing 27 is arranged between the lower end of the dustproof ring mounting seat 26 and the lifting rod 15.

[0032] The lower mold seat vertical plate 7 is further provided with a first high-pressure airflow nozzle 25 and a second high-pressure airflow nozzle 24.

[0033] When processing, first put the material piece 13 on the concave die 12, when the convex die 6 is in the down pressing material piece 13 to reach A position, the workpiece 37 is pushed away from the knockout plate 9 to the outside along the transition fillet of the knockout plate 9, so that the knockout spring 10 is compressed, and the knockout plate 9 is always tightly contacted with the outer wall of the convex die 6 under the action of the knockout spring 10. When the convex die 6 is in the down pressing material piece 13 to reach B position, the convex die 6 stops, the servo motor 36 rotates quickly to drive the ball screw 31 to rotate through the bevel gear 29, the nut 23 drives the whole drilling part to approach the workpiece 37 in B position through the motor mounting seat 18, after approaching the workpiece 37, the servo motor 36 changes to slow motion, the drill sleeve fixing seat 33 is tightly contacted with the surface of the workpiece 37 under the pushing of the four hangers 15, at this time, the DC speed regulation motor 22 drives the drill bit 16 to rotate, the hanger screw 35 positions the drill sleeve 32 to the center of the workpiece 37 in B position through the compression of the hanger spring 17, and at the same time, the air valve is opened, the drill bit is cooled by the first high-pressure airflow nozzle 25, and the iron filings falling on the drill sleeve fixing seat 33 position of the hanger plate 14 are blown away by the second high-pressure airflow nozzle 24, after the hole is drilled, the air valve is closed, and the servo motor 36 reverses quickly to drive the whole drilling part to return quickly. The convex die 6 is down again, the knockout plate 9 blocks the upper end surface of the workpiece 37, and the workpiece 37 is stripped from the convex die 6 and falls to C position, the workpiece 37 is sent into the material basket by the pushing plate driven by the pushing cylinder, and one working cycle is completed.

[0034] The present application is not limited to the above-mentioned embodiments.

Claims

1. A mixed drive accumulator head deep hole drawing device, characterized in that, The upper die part includes an upper die plate, a blank holder oil cylinder, a male die seat, a male die, a blank holder pad, and a blank holder. The upper die plate is provided with a connecting structure for installation on a punch press. The upper die plate bottom is provided with a male die seat. The lower die part includes a lower die seat, a lower die seat vertical plate, a female die, a female die seat, a knockout plate, and a knockout spring. The lower die seat vertical plate is located above the punch press workbench surface. The lower die seat is fixed to the upper end of the lower die seat vertical plate.

2. The mixed drive accumulator head deep hole drilling device according to claim 1, characterized in that, The upper end surface of the lower die seat is evenly provided with three grooves.

3. The mixed drive accumulator head deep hole drilling device according to claim 1 or 2, characterized in that, The grooves contain the knockout plate and the knockout spring. The knockout spring is located behind the knockout plate. The upper end surface of the knockout plate near the female die center is provided with a transition fillet. The upper die seat is provided with a female die seat. The female die seat contains a female die. The drilling power part includes a DC speed-regulating motor, a motor mounting seat, a lifting plate, a drill bit, a drill sleeve, a drill sleeve fixing seat, a lifting rod, a lifting plate, a lifting plate screw, a lifting plate spring, a wire gauge seat, and a wire gauge mounting plate. The drilling power part is lifted below the lifting plate. The lifting plate is embedded in the groove of the lower die seat vertical plate. The drill sleeve fixing seat is installed at the center of the lifting plate. The drill sleeve is embedded in the center of the drill sleeve fixing seat. Four lifting rods are installed on the drill sleeve fixing seat. The lower end of the lifting rod is connected with the lifting plate. The lower end of the lifting plate is connected with the motor mounting seat through the lifting plate screw and the lifting plate spring. The DC speed-regulating motor is installed below the motor mounting seat. The output shaft of the DC speed-regulating motor is connected with the drill bit. One side of the motor mounting seat is provided with the wire gauge seat. The wire gauge is fixed on the wire gauge mounting plate. The wire gauge is matched with the wire gauge seat. One end of the wire gauge mounting plate is fixed on the lifting plate. The other end of the wire gauge mounting plate is connected with the screw rod moving mounting plate. The drilling feeding part includes a servo motor, bevel gears, a ball screw, a nut, bearings, and a screw rod moving mounting plate. The servo motor is installed in the mounting hole of the lower die seat vertical plate. One bevel gear is installed on the main shaft of the servo motor. The other bevel gear is installed on the ball screw. One end of the ball screw is installed on the lifting plate through the bearing. The other end of the ball screw is installed on the screw rod moving mounting plate through the bearing. The nut is installed on the motor mounting seat. The ball screw is matched with the nut. The dustproof ring mounting seat is provided between the lifting rod and the lifting plate. The dustproof ring is provided between the upper end of the dustproof ring mounting seat and the lifting rod. The linear bearing is provided between the lower end of the dustproof ring mounting seat and the lifting rod. The lower die seat vertical plate is further provided with a first high-pressure airflow nozzle and a second high-pressure airflow nozzle.

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