阅读说明：本技术 一种自动冲孔模具装置 (Automatic punching die device ) 是由 宋卫江 于 2020-06-03 设计创作，主要内容包括：本发明公开了一种自动冲孔模具装置,包括工作平台,工作平台设有电机、回转油缸、定位装置及冲压柱,回转油缸设有传动齿轮,电机与传动齿轮传动连接以驱动回转油缸转动,回转油缸顶部设有用于放置工件的承托盘,承托盘的底部设有棘轮,定位装置包括与棘轮配合的棘爪块,冲压柱设有与冲压头配合的冲压孔,使用该模具装置可实现工件的自动输送及定位,效率高,精度高。(The invention discloses an automatic punching die device which comprises a working platform, wherein the working platform is provided with a motor, a rotary oil cylinder, a positioning device and a punching column, the rotary oil cylinder is provided with a transmission gear, the motor is in transmission connection with the transmission gear to drive the rotary oil cylinder to rotate, the top of the rotary oil cylinder is provided with a bearing tray for placing a workpiece, the bottom of the bearing tray is provided with a ratchet wheel, the positioning device comprises a pawl block matched with the ratchet wheel, the punching column is provided with a punching hole matched with a punching head, and the die device can realize automatic conveying and positioning of the workpiece, and is high in efficiency and high in precision.)

1. An automatic punching die device, includes work platform (1), its characterized in that: work platform (1) is equipped with motor, gyration hydro-cylinder, positioner and punching press post (7), the gyration hydro-cylinder is equipped with drive gear (3), the motor with drive gear (3) transmission is connected and is rotated with the drive gyration hydro-cylinder, and gyration hydro-cylinder top is equipped with bearing dish (4) that are used for placing the work piece, the bottom of bearing dish (4) is equipped with ratchet (5), positioner include with ratchet (5) complex pawl piece (6), punching press post (7) are equipped with and punch head complex punching press hole (2).

2. The automated hole-die apparatus of claim 1, wherein: the positioning device further comprises a positioning cylinder (8), an expansion rod of the positioning cylinder (8) is fixedly connected with the pawl block (6), and the positioning cylinder (8) drives the pawl block (6) to be far away from or close to the ratchet wheel (5).

3. The automated hole-die apparatus of claim 2, wherein: the positioning device further comprises an installation block (9) fixedly connected with the working platform (1), the positioning cylinder (8) and the pawl block (6) are arranged in the installation block (9), the pawl block (6) is arranged above the positioning cylinder (8), the pawl block (6) is far away from one end of the ratchet wheel (5) and the connecting piece (10) which are fixedly connected, and the other end of the connecting piece (10) is fixedly connected with a telescopic rod of the positioning cylinder (8).

4. The automated hole-die apparatus of claim 3, wherein: one end of the connecting piece (10) connected with the pawl block (6) is provided with a return spring (11), and two ends of the return spring (11) are respectively fixedly connected with the connecting piece (10) and the mounting block (9).

5. The automated hole-die apparatus of claim 1, wherein: still include transmission, transmission include with connecting axle (12) that motor drive is connected, from last locate down in proper order last clutch blocks (13), driving gear (14) and lower clutch blocks (15) on connecting axle (12), lower clutch blocks (15) and connecting axle (12) fixed connection, it presss from both sides tightly with lower clutch blocks (15) cooperation to go up clutch blocks (13) driving gear (14), driving gear (14) with drive gear (3) transmission is connected.

6. The automated hole-die apparatus of claim 5, wherein: a fixing block (24) is arranged above the upper friction block (13), the fixing block (24) is fixedly connected with the upper friction block (13) through a bolt, and a compression spring (16) is arranged between the fixing block (24) and the upper friction block (13).

7. The automated hole-die apparatus of claim 1, wherein: the working platform (1) is provided with an installation cylinder (17), the rotary oil cylinder is arranged in the installation cylinder (17), a supporting block (18) used for supporting the transmission gear (3) is arranged at the top of the installation cylinder (17), and rollers (19) uniformly distributed around a central shaft of the supporting block (18) are arranged at the top of the supporting block (18).

8. The automated hole-die apparatus of claim 7, wherein: and a buffer spring (20) is arranged between the supporting block (18) and the mounting cylinder (17).

9. The automated hole-die apparatus of claim 1, wherein: work platform (1) is equipped with counterpoint cylinder (21), counterpoint cylinder (21) center on rotary cylinder evenly distributed, the telescopic link of counterpoint cylinder (21) is connected with counterpoint piece (22).

10. The automated hole-die apparatus of claim 1, wherein: and a pressing block (23) fixedly connected with a piston rod of the rotary oil cylinder is arranged above the bearing plate (4), the rotary oil cylinder drives the pressing block (23) to lift, and a boss matched with an inner ring of a workpiece is arranged at the top of the bearing plate (4).

Technical Field

The invention relates to the field of punching processing, in particular to an automatic punching die device.

Background

Need carry out subsequent trompil processing to it after the flange preliminary shaping, because it is higher than drilling efficiency to punch a hole, consequently many people use the punching machine to punch a hole the processing to the flange, generally punch a hole the processing, need artifical mark need the position in processing hole, still artifical with punching press head and work piece counterpoint, inefficiency, the precision is not high.

Disclosure of Invention

The invention aims to provide an automatic punching die device which can realize automatic conveying and positioning of workpieces and has high efficiency and high precision.

The technical scheme of the invention is as follows:

the utility model provides an automatic punching die device, includes work platform, work platform is equipped with motor, gyration hydro-cylinder, positioner and punching press post, the gyration hydro-cylinder is equipped with drive gear, the motor with the drive gear transmission is connected and is rotated with the drive gyration hydro-cylinder, and gyration hydro-cylinder top is equipped with the bearing dish that is used for placing the work piece, the bottom of bearing dish is equipped with the ratchet, positioner include with ratchet complex pawl piece, the punching press post be equipped with punching press head complex punching press hole.

According to the further improvement of the invention, the positioning device further comprises a positioning cylinder, an expansion rod of the positioning cylinder is fixedly connected with the pawl block, and the positioning cylinder drives the pawl block to be far away from or close to the ratchet wheel.

According to a further improvement of the invention, the positioning device further comprises an installation block fixedly connected with the working platform, the positioning cylinder and the pawl block are arranged in the installation block, the pawl block is arranged above the positioning cylinder, one end of the pawl block, far away from the ratchet wheel, is fixedly connected with a connecting piece, and the other end of the connecting piece is fixedly connected with a telescopic rod of the positioning cylinder.

According to the further improvement of the invention, one end of the connecting piece, which is connected with the pawl block, is provided with a return spring, and two ends of the return spring are respectively and fixedly connected with the connecting piece and the mounting block.

The invention further improves the motor, and the motor driving device further comprises a transmission device, wherein the transmission device comprises a connecting shaft in transmission connection with the motor, and an upper friction block, a driving gear and a lower friction block which are sequentially arranged on the connecting shaft from top to bottom, the lower friction block is fixedly connected with the connecting shaft, the upper friction block and the lower friction block are matched to clamp the driving gear, and the driving gear is in transmission connection with the transmission gear.

The invention further improves the structure that a fixed block is arranged above the upper friction block, the fixed block is fixedly connected with the upper friction block through a bolt, and a compression spring is arranged between the fixed block and the upper friction block.

The invention further improves the structure that the working platform is provided with an installation cylinder, the rotary oil cylinder is arranged in the installation cylinder, the top of the installation cylinder is provided with a supporting block for supporting the transmission gear, and the top of the supporting block is provided with rollers which are uniformly distributed around a central shaft of the supporting block.

In a further improvement of the invention, a buffer spring is arranged between the supporting block and the mounting cylinder.

According to the further improvement of the invention, the working platform is provided with alignment cylinders which are uniformly distributed around the rotary oil cylinder, and telescopic rods of the alignment cylinders are connected with alignment blocks.

According to the further improvement of the invention, a pressing block fixedly connected with a piston rod of the rotary oil cylinder is arranged above the bearing plate, the rotary oil cylinder drives the pressing block to lift, and a boss matched with an inner ring of a workpiece is arranged at the top of the bearing plate.

By adopting the technical scheme, the workpiece is placed on the bearing tray, the motor drives the bearing tray to rotate to realize automatic conveying of the workpiece, the pawl block is matched with the ratchet wheel to block the bearing tray from rotating to realize positioning of the workpiece, no accumulated error exists, the precision is high, the problem of motor overload when the bearing tray is blocked can be effectively solved due to the arrangement of the transmission device, and the alignment device can realize alignment of the circle center of the workpiece.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure of a positioning cylinder and a pawl block;

FIG. 3 is a schematic view of the transmission;

FIG. 4 is a schematic view of the mounting barrel;

FIG. 5 is a top view of the support block;

the following are marked in the figure: 1. a working platform; 2. punching a hole; 3. a transmission gear; 4. a support tray; 5. a ratchet wheel; 6. a pawl block; 7. punching the column; 8. positioning the air cylinder; 9. mounting blocks; 10. a connecting member; 11. a return spring; 12. a connecting shaft; 13. an upper friction block; 14. a driving gear; 15. a lower friction block; 16. a compression spring; 17. mounting the cylinder; 18. a support block; 19. a roller; 20. a buffer spring; 21. aligning a cylinder; 22. a positioning block; 23. a compression block; 24. and (5) fixing blocks.

Detailed Description

As shown in fig. 1 to 5, in an embodiment of the present invention, an automatic punching die device includes a working platform 1, the working platform 1 is provided with a motor, a rotary cylinder, a positioning device and a punching column 7, the rotary cylinder is provided with a transmission gear 3, the transmission gear 3 is fixed on a cylinder body of the rotary cylinder, so that the cylinder body rotates together with the transmission gear 3, the motor is in transmission connection with the transmission gear 3 to drive the rotary cylinder to rotate, a supporting tray 4 for placing a workpiece is arranged on the top of the rotary cylinder, the supporting tray 4 rotates to drive the workpiece to rotate, a ratchet 5 is arranged at the bottom of the supporting tray 4, the positioning device includes a pawl block 6 matched with the ratchet 5, the pawl block 6 can move to be close to or far away from the ratchet 5, when the pawl block 6 is clamped into the ratchet 5 and is completely matched with the ratchet 5, the rotation of the supporting tray 4 is stopped, the number of teeth of the, realize the location of work piece, the contrast uses numerical control not have accumulative error, and the precision is higher, punching press post 7 be equipped with punching press head complex punching press hole 2, the punching press head punches a hole with punching press post 7 cooperation to the work piece, the clout directly drops from punching press hole 2.

The positioning device further comprises a positioning cylinder 8, an expansion link of the positioning cylinder 8 is fixedly connected with the pawl block 6, the positioning cylinder 8 drives the pawl block 6 to be far away from or close to the ratchet wheel 5, so that the pawl block 6 releases or locks the ratchet wheel 5, concretely, the positioning device further comprises an installation block 9 fixedly connected with the working platform 1, the positioning cylinder 8 and the pawl block 6 are arranged in the installation block 9, the pawl block 6 is arranged above the positioning cylinder 8, one end of the pawl block 6, far away from the ratchet wheel 5, is fixedly connected with a connecting piece 10, the other end of the connecting piece 10 is fixedly connected with the expansion link of the positioning cylinder 8, in a normal state, the expansion link of the positioning cylinder 8 is in an extension state, one end, connected with the pawl block 6, of the connecting piece 10 inclines towards the ratchet wheel 5 according to a lever principle, the pawl block 6 is matched with the ratchet wheel 5, the ratchet wheel 5 cannot rotate, conversely, when the expansion link, the pawl block 6 is separated from the ratchet wheel 5, the ratchet wheel 5 can rotate, one end of the connecting piece 10, which is connected with the pawl block 6, is provided with a return spring 11, two ends of the return spring 11 are respectively and fixedly connected with the connecting piece 10 and the mounting block 9, when the telescopic rod of the positioning cylinder 8 contracts, the return spring 11 is stretched, and when the telescopic rod of the positioning cylinder 8 does not contract, the return spring 11 enables the pawl block 6 to instantly recover the state close to the ratchet wheel 5 under the action of elastic force.

When the pawl block 6 obstructs the rotation of the ratchet wheel 5, the motor is still driven, in order to prevent the motor from being burnt out by overload, the invention is provided with a transmission device, the transmission device comprises a connecting shaft 12 in transmission connection with the motor, an upper friction block 13, a driving gear 14 and a lower friction block 15 which are sequentially arranged on the connecting shaft 12 from top to bottom, the lower friction block 15 is fixedly connected with the connecting shaft 12, the upper friction block 13 is in key connection with the connecting shaft 12, a bearing is arranged between the driving gear 14 and the connecting shaft 12, the upper friction block 13 and the lower friction block 15 are matched to clamp the driving gear 14, under the normal condition, the driving gear 14 rotates together with the upper friction block 13 and the lower friction block 15 under the action of friction force, the driving gear 14 is in transmission connection with the transmission gear 3, the rotation of the rotary oil cylinder driven by the motor is realized, when the pawl block 6 obstructs the rotation of the ratchet wheel 5, the 'slipping' phenomenon occurs, the driving gear 14 does not rotate, the upper friction block 13, the lower friction block 15 and the connecting shaft 12 rotate, therefore, the motor is not influenced by resistance, when the pawl block 6 is far away from the ratchet wheel 5, the driving gear 14 recovers to rotate along with the connecting shaft 12, normal transmission is recovered, a fixed block 24 is arranged above the upper friction block 13, the fixed block 24 is fixedly connected with the upper friction block 13 through bolts, a compression spring 16 is arranged between the fixed block 24 and the upper friction block 13, and the pressure of the compression spring 16 can be adjusted by tightening or loosening the bolts, so that the friction force between the friction block and the driving gear 14 is adjusted.

The working platform 1 is provided with an installation cylinder 17, a rotary oil cylinder is arranged in the installation cylinder 17, the top of the installation cylinder 17 is provided with a supporting block 18 for supporting the transmission gear 3, the top of the supporting block 18 is provided with rollers 19 which are uniformly distributed around the central axis of the supporting block 18, which is beneficial to the rotation of the rotary oil cylinder, a buffer spring 20 is arranged between the supporting block 18 and the installation cylinder 17 and is used for buffering the pressure applied to the rotary oil cylinder during stamping, the working platform 1 is provided with alignment air cylinders 21, the alignment air cylinders 21 are uniformly distributed around the rotary oil cylinder, the telescopic rods of the alignment air cylinders 21 are connected with alignment blocks 22, when the telescopic rods of the alignment air cylinders 21 are extended, the alignment blocks 22 are abutted against a workpiece, the plurality of alignment blocks 22 are matched to adjust and position the circle center of the workpiece, the top of the bearing plate 4 is provided with a boss matched with the inner circle of the, the rotary oil cylinder drives the pressing block 23 to lift, a pressing block is arranged between the workpiece and the pressing block 23, the pressing block 23 descends to press the pressing block, and therefore the workpiece is pressed, and the workpiece is placed to be loosened and jumped.

The working process is as follows: the workpiece is placed on the bearing tray 4, the alignment cylinder 21 drives the alignment block 22 to align the center of the workpiece, the pressing block 23 descends to press the workpiece, the motor drives the bearing tray 4 to rotate to drive the workpiece to rotate until the pawl block 6 is completely matched with the ratchet wheel 5, the pawl block 6 blocks the ratchet wheel 5 to rotate, the workpiece stops rotating when in place, the driving gear 14 of the transmission device slips, the motor does not influence continuous rotation due to resistance, the punching head is matched with the punching column 7 to punch the workpiece, after punching is completed, the telescopic rod of the positioning cylinder 8 contracts for a short time, the motor resumes driving the bearing tray 4 to rotate, under the action of the restoring spring, the pawl block 6 approaches the ratchet wheel 5 instantaneously, when the ratchet wheel 5 is completely matched with the pawl block 6 again, the ratchet wheel 5 stops rotating again, the workpiece is repositioned, full-automatic conveying punching is achieved, efficiency is high, and precision.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.