CN220073119U - High-efficiency four-axis positioning numerical control bus three-station - Google Patents

Abstract

The utility model relates to the technical field of bus processing, and provides a high-efficiency four-axis positioning numerical control bus three-station, which comprises a frame, a shearing unit, a punching unit and a bending unit, wherein the shearing unit and the punching unit are arranged on one side of the frame, the bending unit is arranged on the frame, one side of the shearing unit is provided with a shearing positioning assembly for shearing and positioning a workpiece along the length direction of the frame, two sides of the punching unit are respectively provided with an X-axis punching positioning assembly and a Y-axis punching positioning assembly for punching and positioning the workpiece along the length direction and the width direction of the frame, and one side of the bending unit is provided with a bending positioning assembly for bending and positioning the workpiece along the width direction of the frame. Through setting up shearing locating component, X axle locating component and Y axle locating component that punches a hole and the locating component that bends, can treat the work piece of processing and fix a position, need not artifical measuring mark, improved the precision of work efficiency and location, simultaneously, liberation workman's both hands have reduced the danger and the artificial intensity of labour of operation.

Description

High-efficiency four-axis positioning numerical control bus three-station

Technical Field

The utility model relates to the technical field of bus machining, in particular to a high-efficiency four-axis positioning numerical control bus three-station.

Background

The bus processing machine has three processing units of shearing, punching and bending, and has the main functions of processing copper and aluminum buses with different specifications, and can conveniently and rapidly shear and punch copper and aluminum bars (round holes and waist-shaped holes), bend and flat and bend, bend vertically, emboss, flatten, twist, press cable joints and the like by using the corresponding processing units. The method is widely used in the electrical complete set manufacturing industries such as high-low voltage switch cabinets, transformer substations, bus ducts, bridge frames, electrical switches, communication equipment, household appliances, ship manufacturing, office automation equipment, elevator manufacturing, chassis cabinet manufacturing and the like.

The existing bus three stations are manually positioned, the punching and shearing are manually performed before each processing of the punching unit, a mark is required to be made on the bus, a positioning pointer is required to be used after the marking is completed, the size of the shearing unit is required to be measured in advance to make the mark, after the material is put into a machine, the shearing is manually adjusted to enable the scissors to be aligned to the mark, the shearing is completed, and the bending unit is short in positioning scale and inconvenient to operate because the material is close to a mold mark and is not marked well during operation.

Therefore, aiming at the problems, the three stations of the numerical control bus are positioned by the high-efficiency four-axis to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model researches three stations of the high-efficiency four-axis positioning numerical control bus, can position a workpiece to be processed, does not need manual measurement marking, improves the working efficiency and the positioning precision, simultaneously liberates hands of workers, and reduces the operation danger and the manual labor intensity.

The technical scheme for solving the technical problems is as follows: the utility model provides a high-efficiency four-axis positioning numerical control bus three-station, which comprises a frame, a shearing unit, a punching unit and a bending unit, wherein the shearing unit and the punching unit are arranged on one side of the frame, the bending unit is arranged on the frame, a shearing positioning assembly for shearing and positioning a workpiece is arranged on one side of the shearing unit along the length direction of the frame, an X-axis punching positioning assembly and a Y-axis punching positioning assembly for punching and positioning the workpiece are respectively arranged on two sides of the punching unit along the length direction and the width direction of the frame, and a bending positioning assembly for bending and positioning the workpiece is arranged on one side of the bending unit along the width direction of the frame.

The shearing unit comprises a shearing upper plate, a shearing lower plate, a shearing oil cylinder plate and a shearing oil cylinder, wherein the shearing lower plate is fixedly arranged on one side of the frame, the shearing upper plate and the shearing lower plate are respectively arranged on two sides of the shearing lower plate, the shearing upper plate and the shearing lower plate are respectively provided with an upper scissors and a lower scissors which are meshed with each other, the two sides of the shearing lower plate are symmetrically penetrated with a shearing vertical shaft, the shearing upper plate and the shearing oil cylinder plate are arranged at two ends of the shearing vertical shaft, the shearing oil cylinder is arranged on the shearing oil cylinder plate, the rod end of the shearing oil cylinder is fixed with the shearing lower plate, and the shearing vertical shaft is driven by the movement of the cylinder end of the shearing oil cylinder to drive the shearing upper plate to move along the length direction of the shearing vertical shaft.

As optimization, the shearing positioning assembly comprises a shearing module and a shearing positioning plate, the shearing module is arranged along the length direction of the frame, the shearing positioning plate is arranged at the output end of the shearing module, the shearing positioning plate and the lower scissors are on the same horizontal plane, and the shearing module drives the shearing positioning plate to position the workpiece to be sheared.

As optimization, the punching unit comprises an upper punching plate, a lower punching plate, a punching oil cylinder, an oil cylinder plate and a punching assembly, wherein the punching assembly comprises a punching die and a punching turret, the lower punching plate is fixedly arranged on one side of the frame, the upper punching plate and the lower punching plate are respectively arranged on two sides of the shearing oil cylinder plate, the punching turret is arranged on the lower punching plate, the punching die is arranged in a hole of the punching turret, the two sides of the lower punching plate symmetrically penetrate through a punching vertical shaft, the upper punching plate and the oil cylinder plate are arranged at two ends of the punching vertical shaft, the punching oil cylinder is arranged on the oil cylinder plate, the rod end of the punching oil cylinder is fixed with the lower punching plate, and the cylinder end of the punching oil cylinder is used for moving to drive the punching vertical shaft to drive the upper punching plate to move along the length direction of the punching vertical shaft.

As an optimization, the punching turret comprises a first punching tray and a second punching tray, the first punching tray and the second punching tray are sleeved on one of the punching vertical shafts, a working space is formed between the first punching tray and the second punching tray, the first punching tray rotates around the punching vertical shaft, and the second punching tray is fixedly arranged on the punching lower plate.

As optimization, the X-axis punching positioning assembly comprises an X-axis punching module and an X-axis punching positioning plate, the X-axis punching module is arranged along the length direction of the frame, the X-axis punching positioning plate is arranged at the output end of the X-axis punching module, the X-axis punching positioning plate and the second punching tray are on the same horizontal plane, and the X-axis punching module drives the X-axis punching positioning plate to position the X-axis of a workpiece to be punched; y axle locating component that punches a hole along including Y axle module and the locating plate that punches a hole of Y axle, Y axle module that punches a hole sets up along frame width direction, and the locating plate that punches a hole of Y axle sets up the output that the module that punches a hole of Y axle to the locating plate that punches a hole of Y axle and the tray that punches a hole of second punch a hole on same horizontal plane, and Y axle module that punches a hole drive Y axle locating plate that punches a hole is to the Y axle direction of the work piece that punches a hole and be fixed a position.

The bending unit comprises a bending oil cylinder, a first bending male die, a second bending male die and a bending female die, wherein the second bending male die is arranged on the frame through a bending seat, the bending oil cylinder is arranged along the length direction of the frame, the output end of the bending oil cylinder is provided with the first bending male die, the first bending male die and the second bending male die are both positioned on the bending seat, the bending female die is arranged between the first bending male die and the second bending male die, a first concave surface and a second concave surface which are clamped with the first bending male die and the second bending male die are respectively arranged on two sides of the bending female die, when the first concave surface is clamped with the first bending male die, the bending oil cylinder drives the first bending male die to drive the bending female die to bend a workpiece close to the second bending male die, and when the second concave surface is clamped with the second bending male die, the bending oil cylinder drives the first bending male die to be close to the bending female die to bend the workpiece.

As optimization, the output end of the bending oil cylinder is provided with a bending die fixing seat, and the first bending male die is arranged on the bending die fixing seat.

As the optimization, the positioning assembly of bending includes the frame of bending that sets up in frame one side along frame width direction, and the frame bottom of bending sets up bending actuating mechanism and bending guiding mechanism along frame width direction, sets up the spout along frame width direction on the frame of bending, and bending actuating mechanism output sets up the son of putting to bend, and the son of putting of bending is located the spout, and bending actuating mechanism drive is put the son of putting and is followed bending guiding mechanism and remove and wait to bend the work piece and fix a position.

As optimization, the bending driving mechanism comprises a bending motor, a screw rod and a screw rod nut, wherein the bending motor is arranged on one side of the bending frame, the output end of the bending motor is provided with the screw rod, two ends of the screw rod are rotatably arranged on the bending frame, the screw rod is provided with the screw rod nut, and the screw rod nut is provided with a connecting plate; the bending guide mechanism comprises a guide rail and a sliding block, the sliding block is arranged on the guide rail in a sliding manner, the sliding block is connected with the connecting plate, a vertical plate is arranged on the connecting plate, and one end, far away from the connecting plate, of the vertical plate penetrates through the sliding groove to be provided with a bending position used for bending and positioning.

The effects provided in the summary of the utility model are merely effects of embodiments, not all effects of the utility model, and the above technical solution has the following advantages or beneficial effects:

each station works independently, does not affect each other, and can position a workpiece to be processed by arranging the shearing positioning assembly, the X-axis punching positioning assembly, the Y-axis punching positioning assembly and the bending positioning assembly without manual measurement marks, so that the working efficiency and the positioning precision are improved, and meanwhile, hands of workers are liberated, and the operation danger and the manual labor intensity are reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a top view of the present utility model.

FIG. 3 is a block diagram of a shear unit according to the present utility model.

Fig. 4 is a structural view of the punching unit of the present utility model.

Fig. 5 is a structural view of the bending unit of the present utility model.

Fig. 6 is a block diagram of a bending and positioning assembly according to the present utility model.

In the figure, 1, a rack; 2. shearing an upper plate; 3. shearing the lower plate; 4. the scissors are put on; 5. lower scissors; 6. shearing a vertical shaft; 7. a shearing cylinder; 8. shearing an oil cylinder plate; 9. shearing a positioning plate; 10. punching an upper plate; 11. punching a lower plate; 12. punching oil cylinders; 13. punching an oil cylinder plate; 14. punching a die; 15. punching a vertical shaft; 16. a first punched tray; 17. a second punched tray; 18. a nut; 19. x-axis punching positioning plate; 20. y-axis punching positioning plate; 21. bending oil cylinders; 22. a first bending male die; 23. a second bending male die; 24. bending the female die; 25. a bending seat; 26. a first concave surface; 27. a second concave surface; 28. a bending die fixing seat; 29. a bending frame; 30. a chute; 31. bending and setting the sub; 32. bending the motor; 33. a screw rod; 34. a screw nut; 35. a connecting plate; 36. a guide rail; 37. a slide block; 38. a riser; 39. a control screen; 40. a Y-axis punching module; 41. a shearing module; 42. an X-axis punching module.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present utility model. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 6, the efficient four-axis positioning numerical control bus three-station comprises a frame 1, and further comprises a shearing unit, a punching unit and a bending unit, wherein the shearing unit and the punching unit are arranged on one side of the frame 1, the bending unit is arranged on the frame 1, one side of the shearing unit is provided with a shearing positioning component for shearing and positioning a workpiece, two sides of the punching unit are respectively provided with an X-axis punching positioning component and a Y-axis punching positioning component for punching and positioning the workpiece along the length and width directions of the frame 1, and one side of the bending unit is provided with a bending positioning component for bending and positioning the workpiece along the width direction of the frame 1.

In this embodiment, the shearing unit includes shearing upper plate 2, shearing lower plate 3, shearing cylinder plate 8 and shearing cylinder 7, shearing lower plate 3 is fixed to be set up in frame 1 one side, shearing cylinder plate 8 both sides set up shearing upper plate 2 and shearing lower plate 3 respectively, shearing upper plate 2 and shearing lower plate 3 are last to set up intermeshing's upper scissors 4 and lower scissors 5 respectively, shearing vertical scroll 6 is worn to establish symmetrically in shearing lower plate 3 both sides, shearing upper plate 2 and shearing cylinder plate 8 set up in shearing vertical scroll 6 both ends, shearing cylinder 7 sets up on shearing cylinder plate 8, and shearing cylinder 7's rod end is fixed with shearing lower plate 3, shearing cylinder 7 cylinder end removal drive shearing vertical scroll 6 drives shearing upper plate 2 and moves along shearing vertical scroll 6 length direction. The two ends of the shearing vertical shaft 6 are provided with external threads, the external threads are connected with the shearing upper plate 2 and the shearing cylinder plate 8 through nuts 18, the initial state of the shearing cylinder 7 is a retraction state when the station works, the shearing cylinder 7 is started, the shearing lower plate 3 is fixed on one side of the frame 1, at the moment, the rod end of the shearing cylinder 7 is fixedly arranged with the shearing lower plate 3, the cylinder end of the shearing cylinder 7 moves downwards to drive the shearing upper plate 2 to move downwards, the upper scissors 4 are close to the lower scissors 5 to shear a workpiece, after the shearing is completed, the cylinder end of the shearing cylinder 7 moves upwards to drive the shearing upper plate 2 to move upwards, the upper scissors 4 are far away from the lower scissors 5, and the sheared workpiece is moved out at the moment.

The shearing positioning assembly comprises a shearing module 41 and a shearing positioning plate 9, the shearing module 41 is arranged along the length direction of the frame 1, the shearing positioning plate 9 is arranged at the output end of the shearing module 41, the shearing positioning plate 9 and the lower scissors 5 are arranged on the same horizontal plane, the shearing module 41 drives the shearing positioning plate 9 to position a workpiece to be sheared, and the shearing module 41 is a linear module and comprises a guide rail, a sliding block, a sliding seat and other structures to realize linear motion.

In this embodiment, the punching unit includes upper plate 10, lower plate 11, hydro-cylinder 12, hydro-cylinder board 13 and the subassembly that punches a hole, the subassembly that punches a hole includes cut-out mould 14 and capstan head that punches a hole, lower plate 11 is fixed to be set up in frame 1 one side, lower plate 11 both sides set up upper plate 10 and lower plate 11 that punches a hole respectively, set up capstan head that punches a hole on lower plate 11, set up cut-out mould 14 in the downthehole hole of capstan head, vertical scroll 15 that punches a hole is all worn to establish symmetrically in lower plate 11 both sides, upper plate 10 and hydro-cylinder board 13 set up at vertical scroll 15 both ends that punches a hole, hydro-cylinder 12 sets up on hydro-cylinder board 13 that punches a hole, and the rod end and the lower plate 11 that punches a hole are fixed of hydro-cylinder 12, and the movement of hydro-cylinder 12 cylinder end drives vertical scroll 15 and drives vertical scroll 10 and move along vertical scroll 15 length direction that punches a hole.

The punching turret comprises a first punching tray 16 and a second punching tray 17, the first punching tray 16 and the second punching tray 17 are sleeved on one of the punching vertical shafts 15, a working space is formed between the first punching tray 16 and the second punching tray 17, the first punching tray 16 rotates around the punching vertical shaft 15, and the second punching tray 17 is fixedly arranged on the punching lower plate 11. The two ends of the punching vertical shaft 15 are provided with external threads, the external threads are connected with the punching upper plate 10 and the punching oil cylinder plate 13 through nuts 18, when the station works, the initial state of the punching oil cylinder 12 is in a retracted state, the punching oil cylinder 12 is started, the punching lower plate 11 is fixed on one side of the frame 1, at the moment, the rod end of the punching oil cylinder 12 is fixedly arranged with the punching lower plate 11, the cylinder end of the punching oil cylinder 12 moves downwards to drive the punching upper plate 10 to move downwards, so that the punching die 14 is extruded, the punching die 14 penetrates through the hole of the first punching tray 16 to punch a workpiece, after the punching is finished, the cylinder end of the punching oil cylinder 12 moves upwards to drive the punching upper plate 10 to move upwards, at the moment, the punching die 14 is not extruded any more, and after the punching die 14 is far away from the workpiece, the punched workpiece is moved out.

The X-axis punching positioning assembly comprises an X-axis punching module 42 and an X-axis punching positioning plate 19, the X-axis punching module 42 is arranged along the length direction of the frame 1, the X-axis punching positioning plate 19 is arranged at the output end of the X-axis punching module 42, the X-axis punching positioning plate 19 and the second punching tray 17 are on the same horizontal plane, and the X-axis punching module 42 drives the X-axis punching positioning plate 19 to position the X-axis of a workpiece to be punched; the Y-axis punching positioning assembly comprises a Y-axis punching module 40 and a Y-axis punching positioning plate 20, the Y-axis punching module 40 is arranged along the width direction of the frame 1, the Y-axis punching positioning plate 20 is arranged at the output end of the Y-axis punching module 40, the Y-axis punching positioning plate 20 and the second punching tray 17 are on the same horizontal plane, and the Y-axis punching module 40 drives the Y-axis punching positioning plate 20 to position the Y-axis direction of a workpiece to be punched. The punching unit adopts two-axis control, the X axis and the Y axis can realize punching at any position, and the punching unit is a linear module, and the X axis punching module 42 and the Y axis punching module 40 respectively comprise structures such as a guide rail, a sliding block, a sliding seat and the like, so that linear motion is realized.

In this embodiment, the bending unit includes a bending cylinder 21, a first bending punch 22, a second bending punch 23 and a bending die 24, where the second bending punch 23 is disposed on the frame 1 through a bending seat 25, the bending cylinder 21 is disposed along the length direction of the frame 1, an output end of the bending cylinder 21 is disposed on the bending seat 25, the first bending punch 22 and the second bending punch 23 are both located on the bending seat 25, a bending die 24 is disposed between the first bending punch 22 and the second bending punch 23, two sides of the bending die 24 are respectively disposed with a first concave surface 26 and a second concave surface 27 that are clamped with the first bending punch 22 and the second bending punch 23, when the first concave surface 26 is clamped with the first bending punch 22, the bending cylinder 21 drives the first bending punch 22 to drive the bending die 24 to bend a workpiece near the second bending punch 23, and when the second concave surface 27 is clamped with the first bending punch 23, the bending cylinder 21 drives the first bending punch 22 to bend the workpiece near the bending die 24. The bending die 24 can be installed according to the actual requirement of a workpiece to be bent, and is installed on the first bending punch 22 or the second bending punch 23, and is driven to bend through the bending cylinder 21, so that the setting is more convenient and practical.

The output end of the bending cylinder 21 is provided with a bending die fixing seat 28, and the first bending male die 22 is arranged on the bending die fixing seat 28.

The bending positioning assembly comprises a bending frame 29 arranged on one side of the machine frame 1 along the width direction of the machine frame 1, a bending driving mechanism and a bending guiding mechanism are arranged at the bottom of the bending frame 29 along the width direction of the machine frame 1, a sliding groove 31 is formed in the bending frame 29 along the width direction of the machine frame 1, a bending device 30 is arranged at the output end of the bending driving mechanism, the bending device 30 is positioned on the sliding groove 31, and the bending driving mechanism drives the bending device 30 to move along the bending guiding mechanism to position a workpiece to be bent.

The bending driving mechanism comprises a bending motor 32, a screw rod 33 and a screw rod nut 34, wherein the bending motor 32 is arranged on one side of the bending frame 29, the screw rod 33 is arranged at the output end of the bending motor 32, the two ends of the screw rod 33 are rotatably arranged on the bending frame 29, the screw rod 33 is provided with the screw rod nut 34, and the screw rod nut 34 is provided with a connecting plate 35; the bending guide mechanism comprises a guide rail 36 and a sliding block 37, the sliding block 37 is arranged on the guide rail 36 in a sliding manner, the sliding block 37 is connected with the connecting plate 35, a vertical plate 38 is arranged on the connecting plate 35, and one end, far away from the connecting plate 35, of the vertical plate 38 penetrates through the sliding groove 31 to be provided with a bending device 30 for bending and positioning. The bending motor 32 is started to drive the screw rod 33 to rotate, the screw rod nut 34 moves along the screw rod 33, meanwhile, the sliding block 37 moves along the guide rail 36 to drive the connecting plate 35 and the vertical plate 38 to move to a proper position, so that the bending device 30 moves, a workpiece to be bent is placed on the bending device 30, and the workpiece to be bent is positioned.

The shearing unit, the punching unit and the bending unit can be provided with the control screen 39, each unit station is independently controlled and is not affected by each other, and the workpiece to be processed can be positioned by arranging the shearing positioning assembly, the X-axis punching positioning assembly, the Y-axis punching positioning assembly and the bending positioning assembly without manual measurement marks, so that the working efficiency and the positioning precision are improved, and meanwhile, hands of workers are liberated, and the operation danger and the manual labor intensity are reduced.

While the foregoing description of the embodiments of the present utility model has been presented with reference to the drawings, it is not intended to limit the scope of the utility model, but rather, it is apparent that various modifications or variations can be made by those skilled in the art without the need for inventive work on the basis of the technical solutions of the present utility model.

Claims (10)

1. High-efficient four-axis location numerical control generating line three stations, including frame (1), characterized by: also comprises a shearing unit and a punching unit which are arranged at one side of the frame (1) and a bending unit which is arranged on the frame (1),

one side of the shearing unit is provided with a shearing positioning assembly for shearing and positioning the workpiece along the length direction of the frame (1), two sides of the punching unit are respectively provided with an X-axis punching positioning assembly and a Y-axis punching positioning assembly for punching and positioning the workpiece along the length direction and the width direction of the frame (1), and one side of the bending unit is provided with a bending positioning assembly for bending and positioning the workpiece along the width direction of the frame (1).

2. The three-station high-efficiency four-axis positioning numerical control bus bar according to claim 1, which is characterized in that: the shearing unit comprises a shearing upper plate (2), a shearing lower plate (3), a shearing oil cylinder plate (8) and a shearing oil cylinder (7), wherein the shearing lower plate (3) is fixedly arranged on one side of the frame (1), the shearing upper plate (2) and the shearing lower plate (3) are respectively arranged on two sides of the shearing oil cylinder plate (8), the shearing upper plate (2) and the shearing lower plate (3) are respectively provided with an upper scissors (4) and a lower scissors (5) which are meshed with each other, the two sides of the shearing lower plate (3) are symmetrically penetrated with a shearing vertical shaft (6), the shearing upper plate (2) and the shearing oil cylinder plate (8) are arranged at two ends of the shearing vertical shaft (6), the shearing oil cylinder (7) is arranged on the shearing oil cylinder plate (8), the rod end of the shearing oil cylinder (7) is fixed with the shearing lower plate (3), and the shearing vertical shaft (6) is driven by the movement of the cylinder end of the shearing oil cylinder (7) to drive the shearing upper plate (2) to move along the length direction of the shearing vertical shaft (6).

3. The three-station high-efficiency four-axis positioning numerical control bus bar according to claim 2, characterized in that: the shearing positioning assembly comprises a shearing module (41) and a shearing positioning plate (9), the shearing module (41) is arranged along the length direction of the frame (1), the shearing positioning plate (9) is arranged at the output end of the shearing module (41), the shearing positioning plate (9) and the lower scissors (5) are arranged on the same horizontal plane, and the shearing module (41) drives the shearing positioning plate (9) to position a workpiece to be sheared.

4. The efficient four-axis positioning numerical control bus three-station according to claim 1 or 2, characterized in that: the punching unit comprises an upper punching plate (10), a lower punching plate (11), a punching oil cylinder (12), an oil cylinder plate (13) and a punching assembly, wherein the punching assembly comprises a punching die (14) and a punching turret, the lower punching plate (11) is fixedly arranged on one side of the frame (1), the upper punching plate (10) and the lower punching plate (11) are respectively arranged on two sides of the lower punching plate (11), the punching turret is arranged on the lower punching plate (11), the punching die (14) is arranged in a hole of the punching turret, the two sides of the lower punching plate (11) are symmetrically penetrated with a punching vertical shaft (15), the upper punching plate (10) and the punching oil cylinder plate (13) are arranged at two ends of the punching vertical shaft (15), the punching oil cylinder (12) is arranged on the punching oil cylinder plate (13), the rod end of the punching oil cylinder (12) is fixed with the lower punching plate (11), and the cylinder end of the punching oil cylinder (12) is moved to drive the punching upper plate (10) to move along the length direction of the punching vertical shaft (15).

5. The three-station high-efficiency four-axis positioning numerical control bus bar according to claim 4, which is characterized in that: the punching turret comprises a first punching tray (16) and a second punching tray (17), the first punching tray (16) and the second punching tray (17) are sleeved on one of the punching vertical shafts (15), a working space is formed between the first punching tray (16) and the second punching tray (17), the first punching tray (16) rotates around the punching vertical shaft (15), and the second punching tray (17) is fixedly arranged on the punching lower plate (11).

6. The three-station high-efficiency four-axis positioning numerical control bus bar according to claim 5, which is characterized in that: the X-axis punching positioning assembly comprises an X-axis punching module (42) and an X-axis punching positioning plate (19), the X-axis punching module (42) is arranged along the length direction of the frame (1), the X-axis punching positioning plate (19) is arranged at the output end of the X-axis punching module (42), the X-axis punching positioning plate (19) and the second punching tray (17) are on the same horizontal plane, and the X-axis punching module (42) drives the X-axis punching positioning plate (19) to position the X-axis of a workpiece to be punched; y axle locating component that punches a hole along including Y axle module (40) and Y axle locating plate (20) that punches a hole, Y axle module (40) that punches a hole sets up along frame (1) width direction, and Y axle locating plate (20) that punches a hole set up the output of module (40) in Y axle to Y axle locating plate (20) and second tower tray (17) that punch a hole are on same horizontal plane, and Y axle module (40) that punches a hole drive Y axle locating plate (20) are to be treated the Y axle direction of work piece that punches a hole and are fixed a position.

7. The efficient four-axis positioning numerical control bus three-station according to claim 1 or 2, characterized in that: the bending unit comprises a bending oil cylinder (21), a first bending male die (22), a second bending male die (23) and a bending female die (24), wherein the second bending male die (23) is arranged on the frame (1) through a bending seat (25), the bending oil cylinder (21) is arranged along the length direction of the frame (1), the output end of the bending oil cylinder (21) is provided with the first bending male die (22), the first bending male die (22) and the second bending male die (23) are both positioned on the bending seat (25), the bending female die (24) is arranged between the first bending male die (22) and the second bending male die (23), a first concave surface (26) and a second concave surface (27) which are clamped with the first bending male die (22) and the second bending male die (23) are respectively arranged on two sides of the bending female die (24), when the first concave surface (26) is clamped with the second bending male die (22), the bending male die (22) is driven by the bending oil cylinder (21) to drive the first bending male die (24) to bend a workpiece near the first bending male die (23), and when the second concave surface (27) is clamped with the first bending male die (23) to bend the workpiece.

8. The three-station high-efficiency four-axis positioning numerical control bus bar according to claim 7, characterized in that: the output end of the bending oil cylinder (21) is provided with a bending die fixing seat (28), and the first bending male die (22) is arranged on the bending die fixing seat (28).

9. The three-station high-efficiency four-axis positioning numerical control bus bar according to claim 7, characterized in that: the bending positioning assembly comprises a bending frame (29) arranged on one side of the frame (1) along the width direction of the frame (1), a bending driving mechanism and a bending guiding mechanism are arranged at the bottom of the bending frame (29) along the width direction of the frame (1), a sliding groove (31) is formed in the bending frame (29) along the width direction of the frame (1), a bending device (30) is arranged at the output end of the bending driving mechanism, the bending device (30) is located on the sliding groove (31), and the bending driving mechanism drives the bending device (30) to move along the bending guiding mechanism so as to position a workpiece to be bent.

10. The efficient four-axis positioning numerical control bus three-station according to claim 9, characterized in that: the bending driving mechanism comprises a bending motor (32), a screw rod (33) and a screw rod nut (34), wherein the bending motor (32) is arranged on one side of the bending frame (29), the screw rod (33) is arranged at the output end of the bending motor (32), the two ends of the screw rod (33) are rotatably arranged on the bending frame (29), the screw rod (33) is provided with the screw rod nut (34), and the screw rod nut (34) is provided with a connecting plate (35); the bending guide mechanism comprises a guide rail (36) and a sliding block (37), the sliding block (37) is arranged on the guide rail (36) in a sliding mode, the sliding block (37) is connected with the connecting plate (35), a vertical plate (38) is arranged on the connecting plate (35), and one end, far away from the connecting plate (35), of the vertical plate (38) penetrates through the sliding groove (31) to be used for bending and positioning a bending device (30).