Liftable punching device for word bending machine

Abstract

The utility model discloses a liftable punching device for a word bending machine, which relates to the technical field of word bending machine equipment and comprises a machine tool bottom plate, a lifting unit is fixedly mounted on the machine tool bottom plate, a punching unit is mounted on the lifting unit, the punching unit comprises a punching component, and a collecting component used for collecting waste materials after punching is mounted on the punching component. The lifting unit comprises a power assembly, a radial moving assembly used for driving the punching unit to ascend and descend is installed on the power assembly, the punching unit is driven by the lifting unit to move, different punching heights are achieved, waste materials generated after punching can be collected, the resource utilization rate is increased, and applicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of letter bending machine equipment, in particular to a lifting and lowering punching device for a letter bending machine. Background Art

[0002] In the manufacturing industry, the punching technology of the bending machine has become a key tool due to its high efficiency and precision. Traditional metal processing methods often rely on manual operation, which is not only time-consuming and labor-intensive, but also prone to errors. The bending machine uses advanced CNC technology to make the punching process more automated, significantly improving production efficiency and processing accuracy. This technology is particularly suitable for the manufacture of various metal parts, such as steel structures, machine tool components and automotive parts, in which the holes must meet strict size and position requirements. The punching function of the bending machine not only supports a variety of hole types and hole diameters, but also can perform precision processing on high-strength materials.

[0003] Because different orders always lead to different punching heights, which are always adjusted manually in actual production, resulting in insufficient precision, wasted labor and production time. Therefore, the utility model proposes a liftable punching device for a bending machine. Utility Model Content

[0004] In view of the above technical problems, the utility model discloses a liftable punching device for a bending machine, comprising a machine tool base plate, a lifting unit is fixedly mounted on the machine tool base plate, a punching unit is mounted on the lifting unit, the punching unit comprises a punching assembly, a collecting assembly for collecting waste after punching is mounted on the punching assembly, the lifting unit comprises a power assembly, a radial moving assembly for driving the punching unit to lift and lower is mounted on the power assembly.

[0005] Furthermore, the punching assembly includes two symmetrically distributed punching cylinders, a contour sleeve is rotatably installed on the cylinder arm of the punching cylinder, one end of the punching lever is rotatably installed on the contour sleeve, the other end of the punching lever is hinged with a punching shaft mounting plate through a pin shaft 1, a punching shaft is fixedly installed on the punching shaft mounting plate, a punching shaft sleeve mounting plate is slidably installed on the punching shaft mounting plate, the punching shaft sleeve mounting plate is hinged to the other end near the punching lever through a pin shaft 2, the cylinder arm of the punching cylinder drives the punching lever to rotate through the contour sleeve, and drives the punching shaft to perform punching through the punching lever.

[0006] Furthermore, the punching assembly also includes a second pressure cover and a first pressure cover, a punching guide sleeve is fixedly mounted on the second pressure cover, the first pressure cover is connected to the collecting assembly, the punching guide sleeve is slidably connected to the punching shaft, the first pressure cover is concentric with the second pressure cover, and the first pressure cover and the second pressure cover are used to ensure that the punching shaft can accurately punch the board, thereby improving the punching accuracy and quality.

[0007] Furthermore, a magnetic switch is fixedly installed on the punching cylinder, and the punching accuracy is improved by the magnetic switch, thereby ensuring the punching quality and speed.

[0008] Furthermore, the collecting component includes a punching waste box, which is connected to the radial moving component, and the punching waste box is fixedly connected to a pressure cover. A bellows joint is detachably installed on the bottom end of the punching waste box, and a bellows is fixedly installed on the bellows joint. The punching waste in the punching waste box is collected through the bellows, thereby improving resource utilization, saving resources, and saving costs.

[0009] Furthermore, the power assembly includes a servo motor, a reducer is installed on the servo motor, the reducer is connected to a bearing seat through a plurality of galvanized hexagonal iron columns, a coupling is connected to the output end of the reducer, and the servo motor is speed-changed through the reducer, so that the speed of the power assembly is more uniform.

[0010] Furthermore, the radial movement assembly includes a ball screw and a vertical connecting plate, the ball screw is fixedly connected to one end of the output end of the reducer through a coupling, the first surface of the vertical connecting plate is fixedly connected to the punching sleeve mounting plate, a feed port is provided on the vertical connecting plate, the two punching cylinders are fixedly mounted on the vertical connecting plate, a nut connector is fixedly mounted on the bottom end of the vertical connecting plate, the ball screw and the nut connector are used in conjunction with each other, the nut connector is driven to move by the ball screw, and further, the vertical connecting plate is moved upward, thereby increasing the punching height.

[0011] Furthermore, a through hole is arranged on the vertical connecting plate, and the second pressure cover and the punching guide sleeve are arranged concentrically with the through hole. A punching sleeve is fixedly installed in the through hole on the vertical connecting plate, and the punching sleeve is concentric with the pressure cover. The through hole makes the pressure cover one, the punching sleeve, the pressure cover two and the punching guide sleeve concentric, thereby further improving the punching accuracy.

[0012] Furthermore, the radial movement assembly also includes a proximity switch and two symmetrically distributed linear bearings, the proximity switch is fixedly mounted on the bearing seat, the linear bearing is fixedly mounted on the machine tool base plate, a guide rod is slidably mounted on the linear bearing, and the guide rod is connected to the vertical connecting plate. The cooperation between the linear bearing and the guide rod makes the radial movement more precise and improves the accuracy.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with a lifting unit and a punching unit, and the lifting unit drives the punching unit to move to achieve different punching heights, and can collect waste after punching, thereby improving resource utilization and having strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 This is a schematic diagram of the structure of the punching unit and lifting unit of the utility model Figure 1 .

[0016] Figure 3 This is a schematic diagram of the structure of the punching unit and lifting unit of the utility model Figure 2 .

[0017] Figure 4 This is a schematic diagram of the structure of the punching unit and lifting unit of the utility model Figure 3 .

[0018] Figure numbers: 1-machine base plate; 2-servo motor; 3-reducer; 4-bearing seat; 5-coupling; 6-punching lever; 7-equal height sleeve; 8-punching cylinder; 9-punching shaft mounting plate; 10-pin shaft one; 11-punching shaft sleeve mounting plate; 12-vertical connecting plate; 13-proximity switch; 14-linear bearing; 15-guide rod; 16-magnetic switch; 17-punching waste box; 18-feeding port; 19-bellows; 20-bellows joint; 21-pressure cover one; 22-pressure cover two; 23-punching guide sleeve; 24-nut connector; 25-ball screw; 26-punching sleeve; 27-punching shaft; 28-pin shaft two; 29-galvanized hexagonal iron column. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Figure 1-Figure 4 As shown, a liftable punching device for a letter bending machine includes a machine tool base plate 1, a lifting unit is fixedly mounted on the machine tool base plate 1, a punching unit is mounted on the lifting unit, the punching unit includes a punching assembly, a collecting assembly for collecting waste after punching is mounted on the punching assembly, the lifting unit includes a power assembly, a radial moving assembly for driving the punching unit to lift and lower is mounted on the power assembly.

[0021] The punching assembly includes two symmetrically distributed punching cylinders 8, on the cylinder arm of the punching cylinder 8, a contour sleeve 7 is rotatably installed, on the contour sleeve 7, one end of the punching lever 6 is rotatably installed, the other end of the punching lever 6 is hinged with a punching shaft mounting plate 9 through a pin 10, a punching shaft 27 is fixedly installed on the punching shaft mounting plate 9, a punching shaft sleeve mounting plate 11 is slidably installed on the punching shaft mounting plate 9, the punching shaft sleeve mounting plate 11 is hinged to the other end near the punching lever 6 through a pin 28, and a magnetic switch 16 is fixedly installed on the punching cylinder 8.

[0022] The punching assembly also includes a second pressure cover 22 and a first pressure cover 21. A punching guide sleeve 23 is fixedly mounted on the second pressure cover 22. The first pressure cover 21 is connected to the collecting assembly. The punching guide sleeve 23 is slidably connected to the punching shaft 27. The first pressure cover 21 is concentric with the second pressure cover 22.

[0023] The collecting assembly includes a punching waste box 17, which is connected to the radial moving assembly, and the punching waste box 17 is fixedly connected to a pressure cover 21. A bellows joint 20 is detachably mounted on the bottom end of the punching waste box 17, and a bellows 19 is fixedly mounted on the bellows joint 20, and the bellows 19 is connected to the collecting box.

[0024] The power assembly includes a servo motor 2 , on which a reducer 3 is mounted. The reducer 3 is connected to a bearing seat 4 via a plurality of galvanized hexagonal iron columns 29 , and a coupling 5 is connected to the output end of the reducer 3 .

[0025] The radial movement assembly includes a ball screw 25 and a vertical connecting plate 12. The ball screw 25 is fixedly connected to one end of the output end of the reducer 3 through a coupling 5. The first surface of the vertical connecting plate 12 is fixedly connected to the punching sleeve mounting plate 11. A feed port 18 is provided on the vertical connecting plate 12. Two punching cylinders 8 are fixedly installed on the vertical connecting plate 12. A nut connector 24 is fixedly installed on the bottom end of the vertical connecting plate 12. The ball screw 25 is used in conjunction with the nut connector 24. A through hole is provided on the vertical connecting plate 12. The second pressure cover 22 and the punching guide sleeve 23 are concentrically arranged with the through hole. A punching sleeve 26 is fixedly installed in the through hole on the vertical connecting plate 12. The punching sleeve 26 is concentric with the pressure cover 1 21.

[0026] The radial movement assembly also includes a proximity switch 13 and two symmetrically distributed linear bearings 14. The proximity switch 13 is fixedly mounted on the bearing seat 4. The linear bearing 14 is fixedly mounted on the machine tool base plate 1. A guide rod 15 is slidably mounted on the linear bearing 14. The guide rod 15 is connected to the vertical connecting plate 12.

[0027] Working principle: the board moves from the feed port 18, the two punching cylinders 8 are started, the cylinder arms of the two punching cylinders 8 drive the punching lever 6 to move through the equal height sleeve 7, the punching lever 6 drives the punching shaft mounting plate 9 to slide on the punching shaft sleeve mounting plate 11, the punching lever 6 drives the punching shaft 27 to slide in the punching guide sleeve 23 through the punching shaft mounting plate 9, the punching shaft 27 slides in the punching sleeve 26, the board is punched through the cooperation of the punching shaft 27 and the punching sleeve 26, and the waste after punching enters the punching waste box 1 through the punching sleeve 26 7, the punching waste entering the punching waste box 17 enters the bellows 19 through the bellows joint 20. When the punching height needs to be adjusted, the servo motor 2 is started, and the output end of the servo motor 2 adjusts the speed through the reducer 3. The output end of the reducer 3 drives the ball screw 25 to rotate, and the ball screw 25 drives the nut connector 24 to rise, and the nut connector 24 drives the vertical connecting plate 12 to rise. At this time, the through hole on the vertical connecting plate 12 rises, and the two punching cylinders 8 are started again to punch the plate.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting punching device for a bending machine, characterized in that: The invention comprises a machine tool base plate (1), a lifting unit is fixedly mounted on the machine tool base plate (1), a punching unit is mounted on the lifting unit, the punching unit comprises a punching assembly, a collecting assembly for collecting waste after punching is mounted on the punching assembly, the lifting unit comprises a power assembly, a radial moving assembly for driving the punching unit to lift and lower is mounted on the power assembly.

2. A lifting punching device for a letter bending machine as claimed in claim 1, characterized in that: The punching assembly comprises two symmetrically distributed punching cylinders (8), a height-equalizing sleeve (7) is rotatably mounted on the cylinder arm of the punching cylinder (8), one end of a punching lever (6) is rotatably mounted on the height-equalizing sleeve (7), the other end of the punching lever (6) is hingedly connected to a punching shaft mounting plate (9) via a first pin (10), a punching shaft (27) is fixedly mounted on the punching shaft mounting plate (9), a punching shaft sleeve mounting plate (11) is slidably mounted on the punching shaft mounting plate (9), and the punching shaft sleeve mounting plate (11) is hingedly connected to the other end of the punching lever (6) via a second pin (28).

3. A lifting punching device for a letter bending machine as claimed in claim 2, characterized in that: The punching assembly also includes a second pressure cover (22) and a first pressure cover (21), a punching guide sleeve (23) is fixedly mounted on the second pressure cover (22), the first pressure cover (21) is connected to the collecting assembly, the punching guide sleeve (23) is slidably connected to the punching shaft (27), and the first pressure cover (21) is concentric with the second pressure cover (22).

4. A lifting punching device for a letter bending machine as claimed in claim 3, characterized in that: A magnetic switch (16) is fixedly mounted on the punching cylinder (8).

5. A lifting punching device for a letter bending machine as claimed in claim 4, characterized in that: The collecting assembly comprises a punching waste box (17), the punching waste box (17) is connected to the radial moving assembly, the punching waste box (17) is fixedly connected to a pressure cover (21), a bellows joint (20) is detachably mounted on the bottom end of the punching waste box (17), and a bellows (19) is fixedly mounted on the bellows joint (20).

6. A lifting punching device for a letter bending machine as claimed in claim 5, characterized in that: The power assembly comprises a servo motor (2), a reducer (3) is mounted on the servo motor (2), the reducer (3) is connected to a bearing seat (4) via a plurality of galvanized hexagonal iron columns (29), and a coupling (5) is connected to the output end of the reducer (3).

7. A lifting punching device for a letter bending machine as claimed in claim 6, characterized in that: The radial movement assembly comprises a ball screw (25) and a vertical connecting plate (12), wherein the ball screw (25) is fixedly connected to one end of the output end of the reducer (3) through a coupling (5), the first surface of the vertical connecting plate (12) is fixedly connected to the punching sleeve mounting plate (11), a feed port (18) is provided on the vertical connecting plate (12), the two punching cylinders (8) are fixedly mounted on the vertical connecting plate (12), a nut connector (24) is fixedly mounted on the bottom end of the vertical connecting plate (12), and the ball screw (25) and the nut connector (24) are used in conjunction with each other.

8. A lifting punching device for a letter bending machine as claimed in claim 7, characterized in that: The vertical connecting plate (12) is provided with a through hole, the second gland (22) and the punching guide sleeve (23) are arranged concentrically with the through hole, a punching sleeve (26) is fixedly installed in the through hole on the vertical connecting plate (12), and the punching sleeve (26) is concentric with the first gland (21).

9. A lifting punching device for a letter bending machine as claimed in claim 8, characterized in that: The radial movement assembly further comprises a proximity switch (13) and two symmetrically distributed linear bearings (14), wherein the proximity switch (13) is fixedly mounted on the bearing seat (4), the linear bearing (14) is fixedly mounted on the machine tool base plate (1), a guide rod (15) is slidably mounted on the linear bearing (14), and the guide rod (15) is connected to the vertical connecting plate (12).

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