Punching machine for cold-drawn steel pipe

Abstract

The utility model relates to the technical field of cold-drawn steel pipe punching machines, in particular to a cold-drawn steel pipe punching machine which comprises an operation table, a vibration disc, a punching mechanism, a feeding mechanism, a discharging mechanism and a stamping die. A stamping die is arranged in the center of the operation table, a vibration disc is arranged on the left side of the operation table, a discharging groove is formed in the right side of the operation table, a punching mechanism is arranged over the stamping die, stamping knife mechanisms are arranged on the periphery of the side face of the stamping die, a controller is arranged on the front side of the stamping die, and a mounting frame is arranged on the rear side of the stamping die and provided with a feeding mechanism and a discharging mechanism. The vibration disc is connected with the operation table through a feeding groove, and a frequency vibrator is arranged at the bottom of the feeding groove. Automatic operation is achieved, and labor is saved; operation efficiency is improved, and potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cold-drawn steel pipe punching and shearing machines, in particular to a cold-drawn steel pipe punching and shearing machine. Background Art

[0002] Drawn steel pipe is a steel pipe produced by cold drawing process at room temperature, with high precision, finish and mechanical properties. If you want to obtain seamless pipes with smaller size and better quality, you must use cold rolling, cold drawing or a combination of the two methods. The function of the cold drawn steel pipe punching machine is to punch and cut the steel pipe according to customer needs after the cold drawn steel pipe is produced to meet different products.

[0003] Existing punching machines require manual loading and unloading, which can easily cause safety hazards during punching and cutting, and are inefficient. The requirements for cold-drawn steel pipe punching are: automatically completing the current manual operations, such as manual loading, punching, punching, and unloading; saving labor; improving operating efficiency and reducing safety hazards. Utility Model Content

[0004] In order to overcome the existing deficiencies, the utility model provides a cold drawn steel pipe punching machine.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a cold-drawn steel pipe punching machine, comprising an operating table, a vibration plate, a punching mechanism, a feeding mechanism, a feeding mechanism and a stamping die; the stamping die is arranged at the center of the operating table, a vibration plate is arranged on the left side, and a feeding trough is arranged on the right side; a punching mechanism is arranged just above the stamping die, punching knife mechanisms are arranged around the sides, a controller is arranged on the front side, and a mounting frame is arranged on the rear side, and a feeding mechanism and a feeding mechanism are arranged on the mounting frame; the vibration plate is connected to the operating table through the feeding trough, and a frequency vibrator is arranged at the bottom of the feeding trough; it is characterized in that the feeding mechanism and the feeding mechanism include a rotating cylinder, a telescopic cylinder, a clamping cylinder and an electromagnet; the rotating cylinder is fixed on the mounting frame, and the output shaft is connected to the fixed bracket, the front end of the fixed bracket is installed with a telescopic cylinder, and the output shaft of the telescopic cylinder is connected to the clamping cylinder; the center of the clamping cylinder is installed with an electromagnet, and the periphery is connected with a clamp.

[0006] According to another embodiment of the utility model, the stamping die is a cube, four groups of grooves are arranged on the four sides, a group of fixing holes is arranged in the center, and the grooves are connected with the fixing holes through rectangular punching cuts.

[0007] According to another embodiment of the utility model, it further includes that the groove matches the full-section protrusion of the punching guide plate of the punching knife mechanism; the punching guide plate is provided with four groups, the front end is provided with a punching knife and a punching knife set, the middle of the rear end is connected to the output shaft of the side hydraulic cylinder, and through holes are provided at both ends.

[0008] According to another embodiment of the utility model, it further includes that a guide rod is connected through the through hole, and the guide rod passes through the stamping die.

[0009] According to another embodiment of the utility model, the punching knife set is further provided in a convex shape, with an arc-shaped concave surface matching the cold-drawn steel pipe at the front end and a punching hole in the middle for facilitating the entry and exit of the punching knife.

[0010] According to another embodiment of the utility model, the punching mechanism further includes an upper hydraulic cylinder and a punching needle, the upper hydraulic cylinder is fixed on the punching plate and connected to the punching needle through a piston, and the punching plate is fixed on the operating table through a support.

[0011] According to another embodiment of the utility model, it further includes that the controller is electrically connected to the frequency vibrator, the side hydraulic cylinder, the upper hydraulic cylinder, the rotating cylinder, the telescopic cylinder, the clamping cylinder and the electromagnet.

[0012] The beneficial effects of the utility model are automated operation, labor saving, improved operation efficiency and reduced safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a top view of the operating table;

[0016] Figure 3 It is a structural diagram of the feeding mechanism and the unloading mechanism;

[0017] Figure 4 It is a schematic diagram of the structure of a cold drawn steel pipe;

[0018] Figure 5 It is a structural schematic diagram of the punching mechanism;

[0019] Figure 6 It is a structural schematic diagram of the punching knife set;

[0020] Figure 7 It is a structural diagram of the stamping die.

[0021] In the figure, 1, operating table, 2, vibration plate, 3, punching mechanism, 4, feeding mechanism, 5, unloading mechanism, 6, stamping die, 7, unloading trough, 8, punching knife mechanism, 9, controller, 10, mounting frame, 11, rotating cylinder, 12, telescopic cylinder, 13, gripping cylinder, 14, electromagnet, 15, fixed bracket, 16, clamp, 17, groove, 18, fixing hole, 19, punching opening, 20, punching guide plate, 21, punching knife, 22, punching knife set, 23, guide rod, 24, upper hydraulic cylinder, 25, punching needle, 26, side hydraulic cylinder, 27, frequency vibrator, 28, punching hole. DETAILED DESCRIPTION

[0022] like Figure 1 It is a structural schematic diagram of the utility model, a cold-drawn steel pipe punching machine, including an operating table 1, a vibration plate 2, a punching mechanism 3, a feeding mechanism 4, a feeding mechanism 5 and a stamping die 6; the center of the operating table 1 is provided with a stamping die 6, the left side is provided with a vibration plate 2, and the right side is provided with a feeding trough 7, the punching mechanism 3 is provided just above the stamping die 6, and the side is provided with a punching knife 21 mechanism 8, the front side is provided with a controller 9, and the rear side is provided with a mounting frame 10, and the mounting frame 10 is provided with a feeding mechanism 4 and a feeding mechanism 5; the vibration plate 2 is connected to the operating table 1 through a feeding chute, and a frequency vibrator 27 is provided at the bottom of the feeding chute; the feeding mechanism 4 and the unloading mechanism 5 include a rotating cylinder 11, a telescopic cylinder 12, a clamping cylinder 13 and an electromagnet 14; the rotating cylinder 11 is fixed on the mounting frame 10, and the output shaft is connected to the fixed bracket 15, the front end of the fixed bracket 15 is installed with the telescopic cylinder 12, and the output shaft of the telescopic cylinder 12 is connected to the clamping cylinder 13; the center of the clamping cylinder 13 is installed with an electromagnet 14, and the periphery is connected with a clamp 16.

[0023] Specifically, the rotating cylinder 11 controls the grasping cylinder 13 from the upper material position to the mold position or from the mold position to the lower material position, the telescopic cylinder 12 can descend to clamp and transport, the grasping cylinder 13 drives the clamp 16 to clamp toward the center, thereby clamping the steel pipe, the electromagnet 14 is charged to absorb the steel pipe, and the steel pipe falls when the power is cut off. The clamp 16 can further improve the stability of clamping and prevent errors during the clamping process.

[0024] According to another embodiment of the utility model, the stamping die 6 is a cube, four groups of grooves 17 are provided on the four sides, and a group of fixing holes 18 are provided in the center, and the grooves 17 and the fixing holes 18 are connected through a rectangular punching cut 19.

[0025] According to another embodiment of the utility model, it further includes that the groove 17 matches the front end protrusion of the punching guide plate 20 of the punching knife 21 mechanism 8; the punching guide plate 20 is provided with four groups, the front end is provided with a punching knife 21 and a punching knife set 22, the middle of the rear end is connected to the output shaft of the side hydraulic cylinder 26, and through holes are provided at both ends.

[0026] According to another embodiment of the utility model, it further includes that a guide rod 23 is connected through the through hole, and the guide rod 23 penetrates the stamping die 6 to ensure that the punching guide plate 20 moves in a straight line, thereby increasing the stability of the punching.

[0027] According to another embodiment of the utility model, the punching knife set 22 is convex, with an arc-shaped concave surface matching the cold-drawn steel pipe at the front end and a punching hole 28 in the middle for facilitating the entry and exit of the punching knife 21.

[0028] Specifically, the punching guide plate 20 is pushed by the side hydraulic cylinder 26, the protrusion moves into the groove 17, the front end of the punching knife set 22 contacts the side of the steel pipe, and the side hydraulic cylinder 26 continuously outputs so that the punching knife 21 moves straight forward from the punching hole 28 to punch the side of the steel pipe.

[0029] According to another embodiment of the utility model, the punching mechanism 3 further includes an upper hydraulic cylinder 24 and a punching needle 25, wherein the upper hydraulic cylinder 24 is fixed on a punching plate and connected to the punching needle 25 via a piston, and the punching plate is fixed on the operating table 1 via a support.

[0030] Specifically, the upper hydraulic cylinder 24 moves downward, so that the punching needle 25 punches the center of the steel pipe.

[0031] According to another embodiment of the utility model, it further includes, which is characterized in that the controller 9 is electrically connected to the frequency vibrator 27, the side hydraulic cylinder 26, the upper hydraulic cylinder 24, the rotating cylinder 11, the telescopic cylinder 12, the clamping cylinder 13 and the electromagnet 14.

[0032] In the specific operation process, the cold-rolled steel pipe to be processed is sent to the loading position through the vibrating plate 2, clamped by the loading mechanism 4 and placed in the stamping die 6, punched and cut by the punching mechanism 8 and the punching mechanism 3 at the same time, and then sent to the unloading trough 7 by the unloading mechanism 5.

[0033] The above description is only illustrative rather than restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the appended claims, but all will fall within the protection scope of the present invention.

Claims

1. A cold drawn steel pipe punching machine, comprising an operating table (1), a vibration plate (2), a punching mechanism (3), a feeding mechanism (4), a feeding mechanism (5) and a punching die (6); the operating table (1) is provided with a punching die (6) in the center, a vibration plate (2) is provided on the left side, and a feeding trough (7) is provided on the right side; a punching mechanism (3) is provided just above the punching die (6), a punching knife (21) mechanism (8) is provided around the side, a controller (9) is provided on the front side, and a mounting frame (10) is provided on the rear side; a feeding mechanism (4) and a feeding mechanism (5) are provided on the mounting frame (10); the vibration plate (2) is connected to the operating table (1) via the feeding trough, and a frequency vibrator (27) is provided at the bottom of the feeding trough; the feature is that: The feeding mechanism (4) and the unloading mechanism (5) comprise a rotating cylinder (11), a telescopic cylinder (12), a clamping cylinder (13) and an electromagnet (14); the rotating cylinder (11) is fixed on a mounting frame (10), and its output shaft is connected to a fixed bracket (15); a telescopic cylinder (12) is installed at the front end of the fixed bracket (15), and the output shaft of the telescopic cylinder (12) is connected to the clamping cylinder (13); an electromagnet (14) is installed at the center of the clamping cylinder (13), and a clamp (16) is connected to the periphery.

2. The cold drawn steel pipe punching machine according to claim 1, characterized in that: The punching die (6) is a cube, with four groups of grooves (17) provided on the four sides and a group of fixing holes (18) provided in the center, and the grooves (17) and the fixing holes (18) are connected via a rectangular punching cutout (19).

3. The cold drawn steel pipe punching machine according to claim 2, characterized in that: The groove (17) matches the front end protrusion of the punching guide plate (20) of the punching knife (21) mechanism (8); the punching guide plate (20) is provided with four groups, the front end is provided with a punching knife (21) and a punching knife set (22), the middle of the rear end is connected to the output shaft of the side hydraulic cylinder (26), and both ends are provided with through holes.

4. The cold drawn steel pipe punching machine according to claim 3, characterized in that: A guide rod (23) is connected through the through hole, and the guide rod (23) passes through the stamping die (6).

5. The cold drawn steel pipe punching machine according to claim 3, characterized in that: The punching knife set (22) is convex-shaped, with a front end provided with an arc-shaped concave surface matching the cold-drawn steel pipe, and a punching hole (28) in the middle for facilitating the entry and exit of the punching knife (21).

6. The cold drawn steel pipe punching machine according to claim 1, characterized in that: The punching mechanism (3) comprises an upper hydraulic cylinder (24) and a punching needle (25); the upper hydraulic cylinder (24) is fixed on a punching plate and connected to the punching needle (25) via a piston; the punching plate is fixed on an operating table (1) via a support.

7. The cold drawn steel pipe punching machine according to any one of claims 1 to 6, characterized in that: The controller (9) is electrically connected to the frequency vibrator (27), the side hydraulic cylinder (26), the upper hydraulic cylinder (24), the rotating cylinder (11), the telescopic cylinder (12), the clamping cylinder (13) and the electromagnet (14).

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