Metal door plate side face gas-liquid pressurizing punching machine

Abstract

The utility model provides a metal door plate side face gas-liquid pressurizing punching machine which comprises a machine frame, a T-shaped groove type workbench is arranged above the machine frame, a punching device is arranged behind the machine frame, a gas-liquid pressurizing cylinder is arranged on a top plate of the punching device, a punching center adjusting device is arranged at the lower end of the punching device, and a punching center adjusting device is arranged at the lower end of the punching center adjusting device. An adjustable positioning device A, an adjustable positioning device B and an adjustable positioning device C are arranged on the workbench in a bilateral symmetry mode with the punching device as the center, and the punching device is controlled by an electrical automation system. According to the metal door plate, punching is not carried out before metal plate bending and corner arc angle rolling forming, punching is carried out on the door plate which is bent on a bending machine and subjected to corner arc angle rolling forming through corner forming equipment, and positioning is accurate and reliable through the punching device, the punching center adjusting device and the adjustable positioning devices A, B and C; the problem that the corner side face hole of a previous sheet metal workpiece is prone to deformation is solved, and the product quality is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the field of mechanical equipment, in particular to a gas-liquid pressurized punching machine for the side of a metal door panel. Background Art

[0002] At present, corner forming machines in the sheet metal field are favored by many users. However, the production process of corner forming is generally to first laser cut, cut holes or punch holes, bend on a bending machine, and then use corner forming equipment to roll the corners into arc angles. Since the holes very close to the corners are easily deformed after rolling and stretching, the holes very close to the corners are easily deformed when using corner forming equipment, which is a problem that is difficult to solve in current technology. Utility Model Content

[0003] The purpose of the utility model is to provide a gas-liquid booster punching machine for the side of a metal door panel in response to the problems existing in the current technology, which realizes the punching processing of holes very close to the corners of sheet metal workpieces, improves the shape and position accuracy of the holes, and solves the technical problem that the corner holes of corner forming machines are easily deformed.

[0004] The technical solution of the utility model is implemented as follows: a metal door panel side gas-liquid booster punching machine, comprising a frame, a T-slot workbench is arranged above the frame, a punching device is arranged at the rear of the frame, a gas-liquid booster cylinder is arranged on the top plate of the punching device, a punching center adjustment device is arranged at the lower end of the punching device, and an adjustable positioning device A, an adjustable positioning device B, and an adjustable positioning device C are symmetrically arranged on the workbench with the punching device as the center, and the punching device is controlled by an electrical automation system;

[0005] Preferably, the punching center adjustment device comprises an adjustment block, the adjustment block is connected to the guide rail seat through a tightening screw, a fastening bolt, and a locking nut, the guide rail seat is arranged on the frame, and the guide rail seat is connected to the guide rail at the lower end of the punching device;

[0006] Preferably, there are 2 adjustable positioning devices B, 2 adjustable positioning devices A and 4 adjustable positioning devices C, the 2 adjustable positioning devices B and 2 of the adjustable positioning devices C are located in the middle of the workbench and are respectively located on the same transverse center line, the 2 adjustable positioning devices A and the other 2 adjustable positioning devices C are located on both sides, and the 2 adjustable positioning devices B, the 2 adjustable positioning devices A, and the 4 adjustable positioning devices C are respectively located on the same longitudinal center line;

[0007] Preferably, the adjustable positioning device A comprises a positioning strip A, threaded positioning blocks A are respectively provided at both ends of the positioning strip A, a thin locking nut A is provided between the threaded positioning block A and the positioning strip A, a hexagon socket screw A is provided at the upper part of the positioning strip A, a T-nut A is provided at the lower part of the positioning strip A, and the T-nut A is connected to the hexagon socket screw A;

[0008] Preferably, the adjustable positioning device B comprises a positioning bar B, two threaded positioning blocks B and two hexagon socket screws B are provided on the upper part of the positioning bar B, a thin locking nut B is provided between the threaded positioning blocks B and the positioning bar B, and two T-nuts B are provided on the lower part of the positioning bar B, and the T-nuts B are respectively connected to the hexagon socket screws B;

[0009] Preferably, the adjustable positioning device C comprises a positioning bar C, a threaded positioning block C and a hexagon socket screw C are provided on the upper portion of the positioning bar C, a thin locking nut C is provided between the threaded positioning block C and the positioning bar C, a T-nut C is provided on the lower portion of the positioning bar C, and the T-nut C is connected to the hexagon socket screw C;

[0010] Preferably, the lengths of the adjustable positioning devices are: adjustable positioning device A>adjustable positioning device B>adjustable positioning device C;

[0011] Preferably, the gas-liquid booster cylinder is provided with a punch and a guide plate, and the front end of the punching device is provided with a stripper plate and a lower die;

[0012] Preferably, a safety guard is provided on the guide rail seat, and a waste box is provided on the frame below the punching device.

[0013] The beneficial effects of the utility model are as follows: the metal door panel of the utility model does not punch holes before the metal sheet is bent and the corners are rolled and formed, and holes are punched on the door panel that has been bent on a bending machine and the corner forming equipment has carried out corner arc rolling forming. Through the punching device, the punching center adjustment device, and the adjustable positioning devices A, B, and C, the punching shape and size of the equipment can be adjusted, the positioning is accurate and reliable, and it has a certain flexibility, which can adapt to the requirements of a certain range of changes in product specifications, solves the problem that the side holes at the corners of sheet metal workpieces are easy to deform in the past, greatly improves the quality of the products, and realizes the production of round holes, oblong holes, and semicircular holes that are very close to the corners of sheet metal workpieces, and is particularly suitable for high-precision processing of side holes at the corners of large batches of sheet metal workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the structural front view of the utility model;

[0015] Figure 2 It is a top view of the structure of the utility model;

[0016] Figure 3It is a partial cross-sectional view of the structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the punching center adjustment device of the utility model;

[0018] Figure 5 This is a front view of the adjustable positioning device A of the utility model;

[0019] Figure 6 It is a top view of the adjustable positioning device A of the utility model;

[0020] Figure 7 This is the front view of the adjustable positioning device B of the utility model;

[0021] Figure 8 It is a top view of the adjustable positioning device B of the utility model;

[0022] Fig. 9 It is the front view of the adjustable positioning device C of the utility model.

[0023] Fig.10 It is a top view of the adjustable positioning device C of the utility model;

[0024] Fig.11 This is a schematic diagram of the adjustable positioning device A of the utility model positioning the inner plane on the workpiece and the inner side of the longitudinal rear folding edge;

[0025] Fig.12 This is a schematic diagram of the adjustable positioning device B of the utility model positioning the inner plane on the workpiece and the inner side of the horizontal right folding edge;

[0026] Fig.13 This is a schematic diagram of the adjustable positioning device C of the utility model positioning the inner plane on the workpiece and the inner side of the horizontal right folding edge;

[0027] Fig.14 This is a schematic diagram of the oblong hole on the side of the workpiece very close to the corner after processing of the utility model;

[0028] Fig.15 This is a schematic diagram of a semicircular hole on the side of a workpiece very close to the corner after processing according to the utility model.

[0029] In the figure: 1. Gas-liquid booster cylinder; 2. Frame; 3. Workbench;

[0030] 4. Adjustable positioning device C, 419, threaded positioning block C, 420, thin locking nut C, 421, T-nut C, 422, positioning strip C, 423, hexagon socket screw C;

[0031] 5. Adjustable positioning device A, 519, threaded positioning block A, 520, thin locking nut A, 521, T-nut A, 522, positioning strip A, 523, hexagon socket screw A;

[0032] 6. Adjustable positioning device B, 619, threaded positioning block B, 620, thin locking nut B, 621, T-nut B, 622, positioning strip B, 623, hexagon socket screw B;

[0033] 7. Punch; 8. Guide plate; 9. Stripper plate; 10. Lower die; 11. Guide rail seat; 12. Safety shield;

[0034] 13. Punching device, 1301. Guide rail, 14. Locking nut;

[0035] 15. Punching center adjustment device, 1501. Adjustment block; 16. Fastening bolt; 17. Jacking screw; 18. Waste box; 19. Workpiece. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0037] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0038] Refer to the attached Figure 1-15A gas-liquid booster punching machine for the side of a metal door panel comprises a frame 2, a T-slot workbench 3 is arranged above the frame 2, a punching device 13 is arranged behind the frame 2, a gas-liquid booster cylinder 1 is arranged on the top plate of the punching device 13, a punching center adjustment device 15 is arranged at the lower end of the punching device 13, two adjustable positioning devices A5, two adjustable positioning devices B6, and four adjustable positioning devices C4 are symmetrically arranged on the workbench 3, the two adjustable positioning devices B6 and two of the adjustable positioning devices C4 are located in the middle of the workbench 3 and are respectively located on the same horizontal center line, the two adjustable positioning devices A5 and the other two adjustable positioning devices C4 are located on both sides, 2 The adjustable positioning device B6, the two adjustable positioning devices A5, and the four adjustable positioning devices C4 are respectively located on the same longitudinal center line; the punching device 13 is controlled by an electrical automation system; the punching center adjustment device 15 includes an adjustment block 1501, and the adjustment block 1501 is connected to the guide rail seat 11 through a tightening screw 17, a fastening bolt 16, and a locking nut 14. The guide rail seat 11 is arranged on the frame 2, and the guide rail seat 11 is connected to the guide rail 1301 at the lower end of the punching device 13; the adjustable positioning device A5 includes a positioning bar A522, and threaded positioning blocks A519 are respectively provided at both ends of the positioning bar A522, and the threaded positioning blocks A51 A thin locking nut A520 is provided between 9 and the positioning bar A522, a hexagon socket screw A523 is provided in the middle and right side of the upper part of the positioning bar A522, a T-nut A521 is provided at the lower part of the positioning bar A522, and the T-nut A521 is connected to the hexagon socket screw A523; the adjustable positioning device B6 includes a positioning bar B622, two threaded positioning blocks B619 and two hexagon socket screws B623 are provided at the upper part of the positioning bar B622, a thin locking nut B620 is provided between the threaded positioning block B619 and the positioning bar B622, one of the threaded positioning blocks B is located at the rightmost end of the positioning bar B622, one of the hexagon socket screws B and the other threaded positioning block B619 are provided with a thin locking nut B620, one of the threaded positioning blocks B is located at the rightmost end of the positioning bar B622, and one of the hexagon socket screws B and the other threaded positioning block B619 are provided with a thin locking nut B620. The positioning block B is located at the leftmost end of the positioning bar B622, and another hexagon socket screw B is located in the middle right of the positioning bar B6622. Two T-nuts B621 are provided at the lower part of the positioning bar B622, and the T-nuts B621 are respectively connected to the hexagon socket screws B623; the adjustable positioning device C4 includes a positioning bar C422, a threaded positioning block C419 is provided at one end of the upper part of the positioning bar C422, and a hexagon socket screw C423 is provided at the other end, a thin locking nut C420 is provided between the threaded positioning block C419 and the positioning bar C422, and a T-nut C421 is provided at the lower part of the positioning bar C422, and the T-nut C421 is connected to the hexagon socket screw C423;

[0039] The length of the adjustable positioning device A5 is 239 mm, the length of the adjustable positioning device B6 is 155 mm, and the length of the adjustable positioning device C4 is 80 mm.

[0040] The operation of a metal door panel side gas-liquid booster punching machine is as follows:

[0041] On the equipment of the utility model, a matching mold is selected according to the material, plate thickness, folding height, hole shape and size of the workpiece.

[0042] Equipment debugging: replace the punch 7, lower die 10, and stripper plate 8 in the punching device 13 in sequence, adjust the punching center adjustment device to align the punch 7 with the stripper plate 8 and the center of the lower die 10, and tighten all bolts and locking nuts; when punching the side hole of the right corner of the workpiece 19, place the longitudinal inner folded edge on the rear side of the workpiece 19 against the front side of the lower die 10 and the rear end threaded positioning block A519 cylindrical surface of the adjustable positioning device A, and place the transverse inner folded edge on the right side of the workpiece 19 against the threaded positioning block cylindrical surfaces of the adjustable positioning devices B and C. The height of the workpiece 19 is adjusted by the threaded positioning blocks in each adjustable positioning device. After adjustment, tighten the locking nut and the hexagon socket screw; when punching the side hole of the left corner of the workpiece 19, the left and right symmetrical operations are sufficient. After the above equipment is debugged, the height of the adjustable positioning devices A, B, and C and the position of the side holes are adjusted appropriately, the workpiece 19 is placed on the workbench 3, and the two inner sides of the right corner are tightened. The foot switch is stepped on, and the electrical automation system issues a command, the solenoid valve DT1B port is vented, and the air pressure acts on the surface of the hydraulic oil in the oil outlet cylinder, and the total stroke of the cylinder begins to move downward; the punch 7 rushes out and acts in the lower die 10, separating the workpiece waste and dropping it into the waste box 18 through the material trough. The piston rod displacement encounters resistance, and DT1 is maintained. At this time, the solenoid valve DT2 B port is vented, the booster section assembly is reset, and the booster cylinder is depressurized; the solenoid valve DT1 A port is vented, the cylinder section assembly is reset, the hydraulic oil returns to the oil storage cylinder, and the punch is reset. At this time, a cycle punching action of the metal door panel side gas-liquid booster punching machine is completed.

[0043] The utility model adopts an advanced gas-liquid booster cylinder, which has the characteristics of fast speed: faster than hydraulic transmission; large output: can reach high output of oil pressure, not pure air pressure, easy maintenance, simple structure, easy to clean working environment, low price, unit price is lower than oil pressure system, low energy consumption, energy saving of more than 30% compared with hydraulic system, using low-pressure gas to replace high hydraulic system, greatly reducing the pollution degree of external hydraulic system to the environment, achieving the purpose of reducing costs, saving energy and reducing emissions;

[0044] The utility model can punch out a round hole very close to the corner in one punching action, and can also punch out an oblong hole and a semicircular hole very close to the corner. The utility model is characterized in that a punching center adjustment device is provided at the lower end of the punching device, and the punching center position can be adjusted to align the punch with the stripper plate and the lower die center and tighten all bolts and locking nuts; in particular, the adjustable positioning devices A, B, and C are symmetrically arranged on the workbench, and the respective positioning strips are connected to the threaded positioning block, the thin locking nut, the hexagon socket screw and the T-nut on the workbench, so the punching size of the equipment can also be adjusted, and the utility model has certain flexibility, adapts to the requirements of a certain range of changes in product specifications, and is particularly suitable for the processing of corner side holes of large batches of sheet metal workpieces;

[0045] The utility model realizes the production of round holes, oblong holes and semicircular holes which are very close to the corners of sheet metal workpieces. Through the punching device, the punching center adjustment device and the adjustable positioning devices A, B and C, the punching shape and size of the equipment can be adjusted. The positioning is accurate and reliable, and it has certain flexibility and can adapt to the requirements of a certain range of changes in product specifications. It is particularly suitable for the high-precision processing of side holes at corners of large batches of sheet metal workpieces. It solves the problem that the side holes at the corners of sheet metal workpieces are easily deformed in the past, greatly improves the quality of the products, and becomes a perfect solution for punching holes on the side of the corners of sheet metal workpieces. This utility model broadens the sales market for corner forming equipment and will become the best supporting equipment for CNC corner forming products.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A metal door panel side gas-liquid booster punching machine, comprising a frame (2), a T-slot workbench (3) is provided above the frame (2), a punching device (13) is provided behind the frame (2), characterized in that A gas-liquid booster cylinder (1) is provided on the top plate of the punching device (13), a punching center adjustment device (15) is provided at the lower end of the punching device (13), and an adjustable positioning device A (5), an adjustable positioning device B (6), and an adjustable positioning device C (4) are symmetrically provided on the workbench (3) with the punching device (13) as the center. The punching device (13) is controlled by an electrical automation system.

2. A metal door panel side gas-liquid booster punching machine as claimed in claim 1, characterized in that The punching center adjustment device (15) comprises an adjustment block (1501), wherein the adjustment block (1501) is connected to a guide rail seat (11) via a tightening screw (17), a tightening bolt (16), and a locking nut (14); the guide rail seat (11) is arranged on the frame (2), and the guide rail seat (11) is connected to a guide rail (1301) at the lower end of the punching device (13).

3. A metal door panel side gas-liquid booster punching machine as claimed in claim 1, characterized in that Two adjustable positioning devices B (6), two adjustable positioning devices A (5) and four adjustable positioning devices C (4) are provided, the two adjustable positioning devices B (6) and two of the adjustable positioning devices C (4) are located in the middle of the workbench (3) and are respectively located on the same transverse center line, the two adjustable positioning devices A (5) and the other two adjustable positioning devices C (4) are located on both sides, and the two adjustable positioning devices B (6), the two adjustable positioning devices A (5) and the four adjustable positioning devices C (4) are respectively located on the same longitudinal center line.

4. A metal door panel side gas-liquid booster punching machine as claimed in claim 1 or 3, characterized in that The adjustable positioning device A (5) comprises a positioning strip A (522), threaded positioning blocks A (519) are respectively provided at both ends of the positioning strip A (522), a thin locking nut A (520) is provided between the threaded positioning block A (519) and the positioning strip A (522), a hexagon socket screw A (523) is provided at the upper part of the positioning strip A (522), and a T-nut A (521) is provided at the lower part of the positioning strip A (522), and the T-nut A (521) is connected to the hexagon socket screw A (523).

5. A metal door panel side gas-liquid booster punching machine as claimed in claim 1 or 3, characterized in that The adjustable positioning device B (6) comprises a positioning bar B (622), the upper part of which is provided with two threaded positioning blocks B (619) and two hexagon socket screws B (623), a thin locking nut B (620) is provided between the threaded positioning blocks B (619) and the positioning bar B (622), and the lower part of the positioning bar B (622) is provided with two T-shaped nuts B (621), and the T-shaped nuts B (621) are respectively connected to the hexagon socket screws B (623).

6. A metal door panel side gas-liquid booster punching machine as claimed in claim 1 or 3, characterized in that The adjustable positioning device C (4) comprises a positioning strip C (422), a threaded positioning block C (419) and a hexagon socket screw C (423) are arranged on the upper part of the positioning strip C (422), a thin locking nut C (420) is arranged between the threaded positioning block C (419) and the positioning strip C (422), and a T-shaped nut C (421) is arranged on the lower part of the positioning strip C (422), and the T-shaped nut C (421) is connected to the hexagon socket screw C (423).

7. A metal door panel side gas-liquid booster punching machine as claimed in claim 1, 2 or 3, characterized in that The lengths of the adjustable positioning devices are as follows: adjustable positioning device A (5)>adjustable positioning device B (6)>adjustable positioning device C (4).

8. A metal door panel side gas-liquid booster punching machine as claimed in claim 1, 2 or 3, characterized in that The gas-liquid booster cylinder (1) is provided with a punch (7) and a guide plate (8), and the front end of the punching device (13) is provided with a stripping plate (9) and a lower die (10).

9. A metal door panel side gas-liquid booster punching machine as claimed in claim 2, characterized in that A safety guard (12) is provided on the guide rail seat (11), and a waste box (18) is provided on the frame (2) below the punching device (13).

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