CN216369877U

CN216369877U - Workpiece positioning device for punch press

Info

Publication number: CN216369877U
Application number: CN202122639638.8U
Authority: CN
Inventors: 武洪达
Original assignee: Tianjin Xizi United Co ltd
Current assignee: Tianjin Xizi United Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-26
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to the technical field of punching machines, and discloses a workpiece positioning device for a punching machine, which comprises stabilizing plates, stabilizing rods are fixedly connected at four corners of the top end of each stabilizing plate, a mounting plate is fixedly connected between the top ends of the four stabilizing rods, a punching cylinder is fixedly connected at the bottom end of the mounting plate, an upper pressing die is fixedly connected at the bottom end of the punching cylinder, a stabilizing through hole is formed in the top end of each stabilizing plate, a lower pressing die is fixedly connected in the stabilizing through hole, a transmission box is fixedly connected at the rear end of each stabilizing plate, an electric telescopic rod is fixedly connected at the rear end of the transmission box, the front end of the electric telescopic rod extends into the transmission box, and because two transmission blocks move simultaneously, a workpiece is prevented from being separated from a positioning place in a clamping process, and is contacted with the workpiece through two arc clamping plates, the clamping and the workpiece is clamped and fixed, and the workpiece is effectively prevented from moving in a machining process, the working efficiency of the punch press is improved.

Description

Workpiece positioning device for punch press

Technical Field

The utility model relates to the technical field of punching machines, in particular to a workpiece positioning device for a punching machine.

Background

As is known well, a punch press is a stamping type press, and in national production, the stamping process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators and capability of making products which cannot be machined by applying various dies due to the fact that compared with the traditional machining process, the stamping process has the advantages of being incapable of achieving.

Through the retrieval, chinese patent publication is CN 208592315U's utility model patent discloses a work piece positioner for punch press relates to punch press technical field, which comprises a pane, the recess has been seted up to the top middle-end of panel, the interior diapire fixed mounting of recess has the spacing post that the equidistance was arranged, the surface of spacing post has cup jointed the damping spring, the stop collar has been cup jointed at the top of damping spring, the top fixedly connected with loading board of stop collar, the bottom fixed mounting of panel has fixed frame, the equal fixed mounting in front four corners edge of panel has the flange.

The device drives the guide rod to move under the tension of the limiting spring, the guide rod drives the positioning piece to contact the workpiece, the position of the workpiece can be changed due to different tension of the limiting spring in the clamping and positioning method, the clamping and positioning method is lack of stability when the workpiece is machined, and the workpiece can fall off in the machining process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a workpiece positioning device for a punch press, which is used for solving the problem of the prior art that the stability is poor when a workpiece is machined in the background art and aims to overcome the defects in the prior art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a workpiece positioning device for a punch press comprises a stabilizing plate, stabilizer bars are fixedly connected at four corners of the top end of the stabilizing plate, a mounting plate is fixedly connected between the top ends of the four stabilizer bars, a stamping cylinder is fixedly connected at the bottom end of the mounting plate, an upper stamping die is fixedly connected at the bottom end of the stamping cylinder, a stabilizing through hole is formed in the top end of the stabilizing plate, a lower stamping die is fixedly connected inside the stabilizing through hole, a transmission case is fixedly connected at the rear end of the stabilizing plate, an electric telescopic rod is fixedly connected at the rear end of the transmission case, the front end of the electric telescopic rod extends into the transmission case, a fixing rod is fixedly connected at the front end of the electric telescopic rod, transmission racks are arranged at the left end and the right end of the fixing rod, two rotating shafts are rotatably connected between the top end and the bottom end inside the transmission case, and stabilizing gears are sleeved on the outer walls of the two rotating shafts, two stabilizing gear meshes with two drive racks mutually respectively, it is connected with two steady axles, two to rotate between the inside top of transmission case and the bottom all the cover is equipped with the connecting rod on the outer wall of steady axle and on the outer wall of two axis of rotation, the bottom left side and the bottom right side of transmission case all are provided with and stabilize logical groove, four the connecting rod respectively with two interior sliding connection who stabilizes logical groove, be located left two all articulate between the bottom of connecting rod and between the bottom of two connecting rods that are located the right side has the transmission piece, two the equal fixedly connected with circular arc grip block of one end that the transmission piece is close to each other.

Preferably, the bottom left side and the bottom right side of steadying plate all are provided with the sliding block, two sliding connection has the case of depositing between the bottom of sliding block.

Further, the bottom four corners department of steadying the board all fixedly connected with stabilizes the angle, four the bottom of stabilizing the angle all is provided with stabilizes recess, four the inside saw sliding connection who stabilizes the recess has the limiting plate, four the truckle is stabilized to the equal fixedly connected with in bottom of limiting plate.

And further, stabilizing springs are respectively arranged between the top ends of the four limiting plates and the top ends of the four stabilizing grooves.

On the basis, universal casters are mounted at four corners of the bottom end of the storage box.

On the basis, the front end of the storage box is provided with a pushing handle.

(III) advantageous effects

Compared with the prior art, the utility model provides a workpiece positioning device for a punch press, which has the following beneficial effects:

this work piece positioner for punch press, through place the work piece between top compression die utensil and the bottom compression die utensil, through electric telescopic handle, the dead lever, the drive rack, under the cooperation of stabilizing the gear is used, will drive the steady axle and rotate, the steady axle drives the connecting rod and overturns, it is close to each other to drive two transmission pieces at the upset in-process, move simultaneously because of two transmission pieces, so avoid the work piece to break away from the place of location at the centre gripping in-process, and contact the work piece through two circular arc grip blocks, the completion is fixed the centre gripping of work piece, the effectual work piece that prevents takes place to remove in the course of working, the work efficiency of improvement punch press.

Drawings

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

FIG. 2 is a schematic top sectional view of the transmission case of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is an enlarged view of a portion of the structure shown at B in FIG. 2 according to the present invention.

In the figure: 1. a stabilizing plate; 2. a stabilizer bar; 3. a stabilizing plate; 4. punching a cylinder; 5. pressing the die upwards; 6. pressing the die downwards; 7. a transmission case; 8. an electric telescopic rod; 9. fixing the rod; 10. a drive rack; 11. a rotating shaft; 12. a stabilizing gear; 13. a stabilizing shaft; 14. a connecting rod; 15. a transmission block; 16. an arc clamping plate; 17. a slider; 18. a storage box; 19. stabilizing the supporting angle; 20. a limiting plate; 21. stabilizing the caster; 22. a universal caster; 23. pushing the handle; 24. the spring is stabilized.

Detailed Description

Referring to fig. 1-4, a workpiece positioning device for a punching machine comprises a stabilizing plate 1, stabilizer bars 2 are fixedly connected at four corners of the top end of the stabilizing plate 1, a mounting plate 3 is fixedly connected between the top ends of the four stabilizer bars 2, a punching cylinder 4 is fixedly connected at the bottom end of the mounting plate 3, an upper punching die 5 is fixedly connected at the bottom end of the punching cylinder 4, a stabilizing through hole is formed at the top end of the stabilizing plate 1, a lower pressing die 6 is fixedly connected inside the stabilizing through hole, a transmission case 7 is fixedly connected at the rear end of the stabilizing plate 1, an electric telescopic rod 8 is fixedly connected at the rear end of the transmission case 7, the front end of the electric telescopic rod 8 extends into the transmission case 7, a fixing rod 9 is fixedly connected at the front end of the electric telescopic rod 8, transmission racks 10 are respectively arranged at the left end and the right end of the fixing rod 9, and two rotating shafts 11 are rotatably connected between the top end and the bottom end inside the transmission case 7, the outer walls of the two rotating shafts 11 are respectively sleeved with a stabilizing gear 12, the two stabilizing gears 12 are respectively meshed with the two transmission racks 10, two stabilizing shafts 13 are rotatably connected between the top end and the bottom end inside the transmission box 7, the outer walls of the two stabilizing shafts 13 and the outer walls of the two rotating shafts 11 are respectively sleeved with connecting rods 14, the left side of the bottom end and the right side of the bottom end of the transmission box 7 are respectively provided with a stabilizing through groove, the four connecting rods 14 are respectively connected with the inner parts of the two stabilizing through grooves in a sliding manner, transmission blocks 15 are respectively hinged between the bottom ends of the two connecting rods 14 on the left side and between the bottom ends of the two connecting rods 14 on the right side, one ends of the two transmission blocks 15 close to each other are respectively and fixedly connected with an arc clamping plate 16, a workpiece is placed between the upper pressing die 5 and the lower pressing die 6 and passes through the electric telescopic rod 8, the fixing rod 9, the transmission racks 10 and the stabilizing gears 12, will drive and stabilize axle 13 and rotate, stabilize axle 13 and drive connecting rod 14 and overturn, drive two transmission blocks 15 and be close to each other at the upset in-process, move simultaneously because of two transmission blocks 15, so avoid the work piece to break away from the place of location in the clamping process, and contact the work piece through two circular arc grip blocks 16, accomplish fixed to the centre gripping of work piece, the effectual work piece that prevents takes place to remove in the course of working, improves the work efficiency of punch press.

It should be further noted that the left side and the right side of the bottom end of the stabilizing plate 1 are both provided with a sliding block 17, a storage box 18 is slidably connected between the bottom ends of the two sliding blocks 17 for accommodating and placing the processed workpiece, stabilizing support angles 19 are fixedly connected to four corners of the bottom end of the stabilizing plate 1, stabilizing grooves are respectively arranged at the bottom ends of the four stabilizing support angles 19, limiting plates 20 are slidably connected to the inner parts of the four stabilizing grooves, stabilizing casters 21 are fixedly connected to the bottom ends of the four limiting plates 20, stabilizing springs 24 are respectively arranged between the top ends of the four limiting plates 20 and the top ends of the inner parts of the four stabilizing grooves for facilitating the movement of the whole device, and effectively preventing the damage to the device caused by road bump in the moving process, universal casters 22 are respectively arranged at the four corners of the bottom end of the storage box 18, and a pushing handle 23 is arranged at the front end of the storage box 18, the storage box 18 is convenient to move, and the efficiency of workpiece transportation is improved.

In conclusion, when the workpiece positioning device for the punch press is used, a workpiece is firstly placed between an upper pressing die 5 and a lower pressing die 6, through the operation of an electric telescopic rod 8, the electric telescopic rod 8 drives a fixed rod 9 to move, the fixed rod 9 drives a transmission rack 10 to move, the transmission rack 10 drives a stabilizing gear 12 to rotate, the stabilizing gear 12 drives a stabilizing shaft 13 to rotate, the stabilizing shaft 13 drives a connecting rod 14 to overturn, two transmission blocks 15 are driven to be close to each other in the overturning process, and because the two transmission blocks 15 move simultaneously, the workpiece is prevented from being separated from a positioning place in the clamping process, the workpiece is contacted with the workpiece through two arc clamping plates 16, the workpiece is clamped and fixed, the workpiece is effectively prevented from moving in the machining process, and the working efficiency of the punch press is improved.

Claims

1. The utility model provides a work piece positioner for punch press, includes stabilizer plate (1), its characterized in that: the stabilizing device is characterized in that stabilizing rods (2) are fixedly connected at four corners of the top end of the stabilizing plate (1), a mounting plate (3) is fixedly connected between the four top ends of the stabilizing rods (2), a stamping cylinder (4) is fixedly connected at the bottom end of the mounting plate (3), an upper pressing die (5) is fixedly connected at the bottom end of the stamping cylinder (4), a stabilizing through hole is formed in the top end of the stabilizing plate (1), a lower pressing die (6) is fixedly connected in the stabilizing through hole, a transmission case (7) is fixedly connected at the rear end of the stabilizing plate (1), an electric telescopic rod (8) is fixedly connected at the rear end of the transmission case (7), the front end of the electric telescopic rod (8) extends into the transmission case (7), a fixing rod (9) is fixedly connected at the front end of the electric telescopic rod (8), and racks (10) are arranged at the left end and the right end of the fixing rod (9) in a transmission manner, the transmission box is characterized in that two rotating shafts (11) are rotatably connected between the top end and the bottom end inside the transmission box (7), stabilizing gears (12) are sleeved on the outer walls of the two rotating shafts (11), the two stabilizing gears (12) are respectively meshed with the two transmission racks (10), two stabilizing shafts (13) are rotatably connected between the top end and the bottom end inside the transmission box (7), connecting rods (14) are sleeved on the outer walls of the two stabilizing shafts (13) and the outer walls of the two rotating shafts (11), stabilizing through grooves are respectively formed in the left side and the right side of the bottom end of the transmission box (7), the four connecting rods (14) are respectively in sliding connection with the inner parts of the two stabilizing through grooves, and transmission blocks (15) are hinged between the bottom ends of the two connecting rods (14) on the left side and between the bottom ends of the two connecting rods (14) on the right side, and one ends of the two transmission blocks (15) close to each other are fixedly connected with arc clamping plates (16).

2. The workpiece positioning device for the punching machine according to claim 1, wherein: the bottom left side and the bottom right side of stabilizer plate (1) all are provided with sliding block (17), two sliding connection has between the bottom of sliding block (17) deposits case (18).

3. The workpiece positioning device for the punching machine according to claim 2, wherein: the bottom four corners department of steadying plate (1) is all fixedly connected with and is stabilized supporting angle (19), four the bottom of stabilizing supporting angle (19) all is provided with and stabilizes recess, four the inside saw sliding connection who stabilizes the recess has limiting plate (20), four truckle (21) are stabilized to the equal fixedly connected with in bottom of limiting plate (20).

4. The workpiece positioning device for the punching machine according to claim 3, wherein: and stabilizing springs (24) are respectively arranged between the top ends of the four limiting plates (20) and the top ends of the four stabilizing grooves.

5. The workpiece positioning device for the punching machine according to claim 4, wherein: and universal casters (22) are mounted at four corners of the bottom end of the storage box (18).

6. The workpiece positioning device for the punching machine according to claim 5, wherein: the front end of the storage box (18) is provided with a pushing handle (23).