CN114918283A

CN114918283A - High-precision automatic bending forming tool for sheet metal machining

Info

Publication number: CN114918283A
Application number: CN202210678483.5A
Authority: CN
Inventors: 李骥华; 于奇; 王岩
Original assignee: Shenyang Tianqimo Aviation Parts Co ltd
Current assignee: Shenyang Tianqimo Aviation Parts Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-08-19

Abstract

The invention relates to the technical field of sheet metal machining, in particular to a high-precision automatic bending and forming tool for sheet metal machining. The hydraulic cylinder type electric welding machine comprises a workbench, wherein an installation frame is installed on the lower side of the workbench, a hydraulic cylinder and a motor are fixed on the upper side of the installation frame through bolts, and the motor is arranged on the left side of the hydraulic cylinder; through being provided with the board of bending, the rotation drive carriage release lever of usable first lead screw removes, and the tooth piece that the cooperation meshing is connected and the transmission of adjusting gear can drive the board of bending and rotate, adjusts the angular position of the board of bending to the angle that the usable board control panel beating was bent. The invention provides the high-precision automatic bending forming tool for sheet metal machining, so that the flexibility of sheet metal bending forming is improved.

Description

High-precision automatic bending forming tool for sheet metal machining

Technical Field

The invention belongs to the technical field of sheet metal machining, and particularly relates to a high-precision automatic bending and forming tool for sheet metal machining.

Background

The panel beating itself has light in weight, intensity is high, the characteristics that the processing cost is low and easily processing in batches to the application range of panel beating is very wide, can use in fields such as electronic apparatus, medical treatment, communication, car, and the panel beating needs to be bent with man-hour, makes the panel beating have certain angle, and the panel beating of being convenient for adapts to the shape of assembly region and assembles the installation.

The publication No. CN206747957U is a bending sheet metal polishing tool for sheet metal processing, which comprises a tool case, a lifter case, a bending plate rotating shaft, a gear ring mounting plate, a hydraulic cylinder and a polishing motor, the middle position in the tool case is provided with a bending main body, the bending main body consists of a bending plate rotating shaft, a bending plate, a gear ring mounting piece, a bending gear, a bending motor, a bending gear ring and a gear ring mounting plate, a polishing main body is arranged on one side of the upper end of the tool machine case, which is far away from the bending plate, and consists of a fixed rack column, an elevator machine case, a polishing device, a positioning device, a lifting gear and a lifting motor, the polishing device consists of a motor mounting part, a polishing motor, a motor rotating shaft and a replaceable polishing head, the positioning device consists of a hydraulic oil pump, a piston connecting rod, a hydraulic cylinder, a fixing plate mounting part and a fixing plate. This panel beating frock of buckling can carry out the processing of panel beating, can fuse a equipment with the work of buckling in polishing.

The above prior art solutions have the following drawbacks: the sheet metal bending angle can not be adjusted, the bending flexibility of the sheet metal is low, limitation exists in use, batch bending processing can not be performed on the sheet metal, and the sheet metal can not be taken, placed and fixed quickly and conveniently.

Disclosure of Invention

The invention aims at the problems, overcomes the defects of the prior art, and provides a high-precision automatic bending and forming tool for sheet metal processing, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-precision automatic bending forming tool for sheet metal machining comprises a workbench, wherein an installation frame is installed on the lower side of the workbench, a hydraulic cylinder and a motor are fixed on an upper side bolt of the installation frame, and the motor is arranged on the left side of the hydraulic cylinder; further comprising: the rotating rod is rotatably connected to the inner side above the workbench, a bending plate is mounted on the outer side of the rotating rod, and an end key of the rotating rod is connected with an adjusting gear; the first screw rod is rotatably connected to the end part of the workbench, a movable plate is in threaded connection with the outer side of the first screw rod, a movable rod is mounted at the end part of the movable plate, and tooth blocks are connected to the front side and the rear side of the movable rod; the angle measuring plate is arranged at one end, far away from the first screw rod, of the workbench; the pressing plate is arranged at the lower end of the hydraulic cylinder; the driving rotating shaft is rotatably connected to the upper side of the mounting frame, the upper end of the driving rotating shaft is connected with the output end of the motor, and a half gear is connected to the outer side key of the driving rotating shaft; the driven rotating shaft is rotatably connected to the upper left end of the mounting rack, the upper end key of the driven rotating shaft is connected with a full gear, and the full gear is in meshed connection with the half gear; the backup pad, the backup pad is installed driven spindle's lower extreme, the equal sliding connection in both ends has the regulation pole about the backup pad, the seat of bending is installed to the lower extreme of adjusting the pole, the upside of the seat of bending pass through extension spring with backup pad elastic connection.

In a preferred embodiment, the bending seat further comprises a second lead screw and an inner seat; the second screw rod is rotatably connected to the inner side of the end part of the bending seat, and the upper end of the second screw rod penetrates through the upper side face of the bending seat; the inner seat is connected to the inside of the bending seat in a sliding mode, a threaded rod is connected to the inside of the inner seat in a sliding mode, a moving frame is installed on the outer side of the threaded rod, a positioning plate is connected to the end portion of the threaded rod in a sliding mode, and a fixing nut is connected to the end portion of the threaded rod in a threaded mode; the fixing frame is installed on the lower side of the inner seat, and one end, far away from the fixing nut, of the inner seat is in threaded connection with the second screw rod.

In a preferred embodiment, the bending plates are symmetrically arranged about a longitudinal center line of the mounting frame, and the bending plates and the workbench form a rotating structure.

In a preferred embodiment, the connecting part of the moving rod and the adjusting gear is distributed with tooth blocks at equal intervals, and the adjusting gear is coaxially connected with the bending plate.

In a preferred embodiment, the position of the pressing plate and the position of the right adjusting rod are arranged corresponding to each other, and the adjusting rod penetrates through the supporting plate and is connected with the bending seat.

In a preferred embodiment, the outer diameter of the half gear is the same as the outer diameter of the full gear, and the number of teeth of the full gear is 2 times the number of teeth of the half gear, and the full gear and the support plate are coaxially connected.

In a preferred embodiment, the side view surface of the bending seat is in a trapezoidal structure, and the width of the lower end of the bending seat is smaller than that of the upper end of the bending seat.

Preferably, the movable frame and the inner base form a left-right sliding structure, and the inner base and the bending base form a vertical sliding structure.

Preferably, the fixed frame and the movable frame are arranged in a one-to-one correspondence manner, the main section of the fixed frame is of an L-shaped structure, and the main section of the movable frame is of an inverted 7-shaped structure.

The invention has the beneficial effects that: 1. the high-precision automatic bending forming tool for sheet metal machining is provided with the bending plate, the moving rod can be driven to move by using the rotation of the first screw rod, the transmission of the tooth blocks and the adjusting gear which are connected in a meshing mode is matched, the bending plate can be driven to rotate, the angle position of the bending plate is adjusted, so that the bending angle of a sheet metal can be controlled by using the bending plate, and the flexibility of sheet metal bending forming is improved;

2. through being provided with the seat of bending, can drive the backup pad that the all-gear drove coaxial coupling and rotate, 2 the seat of bending carries out the position in turn, thereby be convenient for get in turn to the panel beating and put fixedly and carry, can be fast in batches process the panel beating, and only need stimulate the threaded rod, alright control removes the frame and removes, the adjustment removes the distance between frame and the mount, quick and firm carries out the position locking to the panel beating, guarantee the panel beating and buckle the steadiness of shaping process, and the seat removes in the accessible drive, the adjustment removes the distance between frame and mount and the seat downside of bending, make the mount just in time block the panel beating with the space between frame and the seat downside of bending, the panel beating of adaptable different thickness locks, the flexibility that the improvement device used and the convenience of operation.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention.

FIG. 2 is a schematic main sectional view of the first lead screw of the present invention.

FIG. 3 is a schematic side sectional view of the present invention.

FIG. 4 is a schematic view of the main section structure of the bending base of the present invention.

FIG. 5 is a schematic side sectional view of the bending seat of the present invention.

FIG. 6 is a schematic side sectional view of a first screw of the present invention.

FIG. 7 is a schematic view of a half gear of the present invention in a top view.

FIG. 8 is a schematic top view of the support plate of the present invention.

The reference signs are: 1. a work table; 2. a rotating rod; 3. bending a plate; 4. an adjusting gear; 5. a first lead screw; 6. moving the plate; 7. a travel bar; 8. a tooth block; 9. an angle measuring plate; 10. a mounting frame; 11. a hydraulic cylinder; 12. pressing a plate; 13. a motor; 14. a driving rotating shaft; 15. a half gear; 16. all-gear; 17. a driven shaft; 18. a support plate; 19. adjusting a rod; 20. an extension spring; 21. a bending seat; 22. a second lead screw; 23. an inner seat; 24. a threaded rod; 25. a movable frame; 26. a fixed mount; 27. positioning a plate; 28. and (5) fixing the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-8 of the specification, the high-precision automatic bending and forming tool for sheet metal machining comprises a workbench 1, wherein an installation frame 10 is installed on the lower side of the workbench 1, a hydraulic cylinder 11 and a motor 13 are fixed on the upper side of the installation frame 10 through bolts, and the motor 13 is arranged on the left of the hydraulic cylinder 11; further comprising: the rotating rod 2 is rotatably connected to the inner side above the workbench 1, a bending plate 3 is mounted on the outer side of the rotating rod 2, and an adjusting gear 4 is connected to the end key of the rotating rod 2; the first screw rod 5 is rotatably connected to the end part of the workbench 1, a movable plate 6 is in threaded connection with the outer side of the first screw rod 5, a movable rod 7 is installed at the end part of the movable plate 6, and tooth blocks 8 are connected to the front side and the rear side of the movable rod 7; the angle measuring plate 9 is arranged at one end, far away from the first screw rod 5, of the workbench 1; the pressure plate 12 is installed at the lower end of the hydraulic cylinder 11; the driving rotating shaft 14 is rotatably connected to the upper side of the mounting frame 10, the upper end of the driving rotating shaft 14 is connected with the output end of the motor 13, and a half gear 15 is connected to the outer side key of the driving rotating shaft 14; the driven rotating shaft 17 is rotatably connected to the upper left end of the mounting frame 10, the upper end key of the driven rotating shaft 17 is connected with a full gear 16, and the full gear 16 is in meshed connection with the half gear 15; the support plate 18 is installed at the lower end of the driven rotating shaft 17, the left end and the right end of the support plate 18 are both connected with adjusting rods 19 in a sliding mode, the lower end of each adjusting rod 19 is provided with a bending seat 21, and the upper side of each bending seat 21 is elastically connected with the support plate 18 through an extension spring 20. The bending seat 21 further comprises a second screw rod 22 and an inner seat 23; the second screw rod 22 is rotatably connected to the inner side of the end part of the bending seat 21, and the upper end of the second screw rod 22 penetrates through the upper side surface of the bending seat 21; the inner seat 23 is slidably connected inside the bending seat 21, a threaded rod 24 is slidably connected inside the inner seat 23, a moving frame 25 is mounted on the outer side of the threaded rod 24, a positioning plate 27 is slidably connected to the end of the threaded rod 24, and a fixing nut 28 is connected to the end of the threaded rod 24 in a threaded manner; a fixing frame 26 is installed on the lower side of the inner seat 23, and one end of the inner seat 23, which is far away from the fixing nut 28, is in threaded connection with the second lead screw 22. The bending plates 3 are symmetrically arranged about the longitudinal central line of the mounting rack 10, and the bending plates 3 and the workbench 1 form a rotating structure. The connecting part of the moving rod 7 and the adjusting gear 4 is provided with tooth blocks 8 at equal intervals, and the adjusting gear 4 and the bending plate 3 are coaxially connected. The position of the pressing plate 12 and the position of the right adjusting rod 19 are arranged correspondingly, and the adjusting rod 19 penetrates through the supporting plate 18 and is connected with the bending seat 21. The external diameter of half gear 15 with full gear 16's external diameter is the same, just full gear 16's number of teeth is half gear 15 number of teeth 2 times, full gear 16 with backup pad 18 is coaxial coupling. The side view surface of the bending seat 21 is in a trapezoidal structure, and the width of the lower end of the bending seat 21 is smaller than the width of the upper end of the bending seat 21. The movable frame 25 and the inner base 23 form a left-right sliding structure, and the inner base 23 and the bending base 21 form a vertical sliding structure. The fixed frame 26 and the movable frame 25 are arranged in a one-to-one correspondence manner, the main section of the fixed frame 26 is of an L-shaped structure, and the main section of the movable frame 25 is of an inverted 7-shaped structure.

When the invention is used, a worker operates at the left position, the distance of the fixed frame 26 and the movable frame 25 exposed outside the bending seat 21 can be adjusted according to the thickness of a sheet metal, the second screw rod 22 is rotated, the second screw rod 22 controls the inner seat 23 in threaded connection with the outer side to move upwards, the inner seat 23 controls the fixed frame 26 and the movable frame 25 to move upwards, so that the sheet metal is just clamped by the space between the fixed frame 26, the movable frame 25 and the lower side surface of the bending seat 21, one end of the sheet metal can be placed on the fixed frame 26, the threaded rod 24 is pulled leftwards, the movable frame 25 arranged on the outer side is controlled by the threaded rod 24 to move leftwards, the distance between the movable frame 25 and the fixed frame 26 distributed in a relative position is shortened, the sheet metal is locked between the movable frame 25 and the fixed frame 26, the fixed nut 28 is rotated, the fixed nut 28 rotates rightwards on the threaded rod 24 in a rotating mode, meanwhile, the positioning plate 27 is pushed to move rightwards, the positioning plate 27 and the fixing nut 28 are utilized to carry out unidirectional locking on the threaded rod 24, the moving frame 25 is prevented from automatically resetting and moving to increase the distance between the moving frame and the fixing frame 26, the stable locking of the sheet metal is ensured, the motor 13 is powered on, the motor 13 controls the driving rotating shaft 14 connected with the output end to rotate, the driving rotating shaft 14 controls the half gear 15 connected with the outer side key to rotate, as shown in a combined figure 7, when the half gear 15 rotates to be meshed and connected with the full gear 16, the full gear 16 can be driven to rotate 90 degrees, when the half gear 15 rotates to be separated from being meshed and connected with the full gear 16, the full gear 16 stops rotating, so that the full gear 16 can be used for driving the coaxially connected supporting plate 18 to rotate 90 degrees, the positions of 2 bending seats 21 are exchanged, the fixed sheet metal is moved to the position above the bending plate 3, the hydraulic cylinder 11 is opened, and the hydraulic cylinder 11 controls the pressing plate 12 to move downwards, the clamp plate 12 promotes the regulation pole 19 and moves down, adjust the seat 21 that bends of 19 control lower extreme installation and move down, the seat 21 that bends simultaneously carries out tensile power of holding to extension spring 20, the seat 21 that bends drives the panel beating and moves down, bend the shaping to the panel beating through the board 3 that bends and the seat 21 that bends, and the left staff can the simultaneous control left position the fixation nut 28 of the seat 21 department that bends rotate, fixation nut 28 removes to the direction of keeping away from locating plate 27, promote locating plate 27 and remove to the direction of keeping away from the seat 21 that bends, so controllable threaded rod 24 moves to the right and resets, thereby increase the distance between removal frame 25 and the mount 26, the convenient takes off the panel beating, it is fixed with new panel beating. As shown in the combined drawing 2-3, the bending angle of the metal plate can be adjusted, the first lead screw 5 is rotated, the first lead screw 5 controls the moving plate 6 in external threaded connection to move downwards, the moving rod 7 installed at the control end part of the moving plate 6 moves downwards, the tooth block 8 installed at the external side of the moving rod 7 is meshed with the adjusting gear 4, so that the adjusting gear 4 can be controlled to rotate, the rotating rod 2 in internal key connection controlled by the adjusting gear 4 rotates, the bending plate 3 installed at the external side controlled by the rotating rod 2 rotates, the angle between the bending plates 3 can be adjusted, the angle of the bending plates 3 can be matched with the angle measuring plate 9, the angle of the bending plates 3 can be controlled and observed, and the bending angle of the metal plate can be controlled.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A high-precision automatic bending and forming tool for sheet metal machining comprises a workbench (1), wherein an installation frame (10) is installed on the lower side of the workbench (1), a hydraulic cylinder (11) and a motor (13) are fixed on the upper side of the installation frame (10) through bolts, and the motor (13) is arranged on the left side of the hydraulic cylinder (11);

the method is characterized in that: further comprising: the rotary rod (2) is rotatably connected to the inner side above the workbench (1), a bending plate (3) is mounted on the outer side of the rotary rod (2), and an adjusting gear (4) is connected to the end key of the rotary rod (2);

the first screw rod (5) is rotatably connected to the end of the workbench (1), a movable plate (6) is in threaded connection with the outer side of the first screw rod (5), a movable rod (7) is installed at the end of the movable plate (6), and tooth blocks (8) are connected to the front side and the rear side of the movable rod (7);

the angle measuring plate (9), the angle measuring plate (9) is installed at one end, far away from the first screw rod (5), of the workbench (1);

the pressing plate (12), the said pressing plate (12) is installed on the lower end of the said hydraulic cylinder (11);

the driving rotating shaft (14) is rotatably connected to the upper side of the mounting frame (10), the upper end of the driving rotating shaft (14) is connected with the output end of the motor (13), and a half gear (15) is connected to the outer side key of the driving rotating shaft (14);

the driven rotating shaft (17) is rotatably connected to the upper left end of the mounting frame (10), the upper end key of the driven rotating shaft (17) is connected with a full gear (16), and the full gear (16) is meshed with the half gear (15);

the support plate (18) is installed at the lower end of the driven rotating shaft (17), adjusting rods (19) are connected to the left end portion and the right end portion of the support plate (18) in a sliding mode, a bending seat (21) is installed at the lower end of each adjusting rod (19), and the upper side of each bending seat (21) is elastically connected with the support plate (18) through an extension spring (20).

2. The high-precision automatic bending and forming tool for sheet metal machining according to claim 1, is characterized in that: the bending seat (21) also comprises a second screw rod (22) and an inner seat (23);

the second screw rod (22) is rotatably connected to the inner side of the end part of the bending seat (21), and the upper end of the second screw rod (22) penetrates through the upper side face of the bending seat (21);

the inner seat (23) is connected to the inside of the bending seat (21) in a sliding mode, a threaded rod (24) is connected to the inside of the inner seat (23) in a sliding mode, a moving frame (25) is installed on the outer side of the threaded rod (24), a positioning plate (27) is connected to the end portion of the threaded rod (24) in a sliding mode, and a fixing nut (28) is connected to the end portion of the threaded rod (24) in a threaded mode;

a fixing frame (26) is installed on the lower side of the inner seat (23), and one end, far away from the fixing nut (28), of the inner seat (23) is in threaded connection with the second screw rod (22).

3. The high-precision automatic bending and forming tool for sheet metal machining according to claim 1, is characterized in that: the bending plate (3) is symmetrically arranged about the longitudinal central line of the mounting rack (10), and the bending plate (3) and the workbench (1) form a rotating structure.

4. The high-precision automatic bending and forming tool for sheet metal machining according to claim 1, is characterized in that: the connecting part of the moving rod (7) and the adjusting gear (4) is provided with tooth blocks (8) at equal intervals, and the adjusting gear (4) is coaxially connected with the bending plate (3).

5. The high-precision automatic bending and forming tool for sheet metal machining according to claim 1, is characterized in that: the position of the pressing plate (12) and the position of the adjusting rod (19) on the right side are arranged correspondingly, and the adjusting rod (19) penetrates through the supporting plate (18) and is connected with the bending seat (21).

6. The high-precision automatic bending and forming tool for sheet metal machining according to claim 1, is characterized in that: the external diameter of half gear (15) with the external diameter of full gear (16) is the same, just the number of teeth of full gear (16) is half gear (15) number of teeth 2 times, full gear (16) with backup pad (18) are coaxial coupling.

7. The high-precision automatic bending and forming tool for sheet metal machining according to claim 1, is characterized in that: the side view of the bending seat (21) is of a trapezoidal structure, and the width of the lower end of the bending seat (21) is smaller than that of the upper end of the bending seat (21).

8. The high-precision automatic bending and forming tool for sheet metal machining according to claim 2, is characterized in that: the movable frame (25) and the inner seat (23) form a left-right sliding structure, and the inner seat (23) and the bending seat (21) form a vertical sliding structure.

9. The high-precision automatic bending and forming tool for sheet metal machining according to claim 2, characterized in that: the fixing frame (26) and the moving frame (25) are arranged in a one-to-one correspondence mode, the main section of the fixing frame (26) is of an L-shaped structure, and the main section of the moving frame (25) is of an inverted 7-shaped structure.