CN218134195U

CN218134195U - Large-scale bender

Info

Publication number: CN218134195U
Application number: CN202222804249.0U
Authority: CN
Inventors: 王伟明; 杨宏
Original assignee: Kunshan Rongke Sheet Metal Technology Co ltd
Current assignee: Kunshan Rongke Sheet Metal Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2022-12-27
Anticipated expiration: 2032-10-24

Abstract

The application relates to the technical field of sheet metal machining, in particular to a large bending machine, which comprises a rack, an upper die and a workbench arranged on the rack, wherein a hydraulic system used for driving the upper die to move in the vertical direction is arranged on the rack, and a lower die corresponding to the upper die is arranged on the workbench; the positioning plates are symmetrically arranged on the workbench, can move in the length direction of the lower die and can be fixed on the workbench, and are attached to one side of the length direction of the lower die. This application can improve the comparatively problem of wasting time and energy of the process of bending of panel.

Description

Large-scale bender

Technical Field

The application relates to the technical field of sheet metal machining, in particular to a large bending machine.

Background

The bending machine is important equipment for bending and forming workpieces in the sheet metal industry and is used for pressing steel plates into parts in various shapes according to the process.

The bending machine mainly comprises a frame, an upper die, a workbench and a lower die arranged on the workbench, wherein a hydraulic system used for driving the upper die to move up and down is arranged on the frame. When needs bend panel, the staff need place panel directly over the lower mould and hand panel, start hydraulic system afterwards for go up the mould and remove downwards, go up the mould and can extrude panel, make panel take place deformation, finally accomplish bending of panel.

During the use of the bending machine, the inventor finds that the technology at least has the following problems: when bending the panel, the staff need lift panel to the lower mould directly over, at the in-process of bending, and the staff needs to hand panel always and fix a position it to the process of bending that leads to panel is comparatively time-consuming and energy-consuming.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the process of bending of panel is comparatively wasted time and energy, this application provides a large-scale bender.

The application provides a large-scale bender adopts following technical scheme:

a large bending machine comprises a rack, an upper die and a workbench arranged on the rack, wherein a hydraulic system used for driving the upper die to move along the vertical direction is arranged on the rack, and a lower die corresponding to the upper die is arranged on the workbench; the positioning plates are symmetrically arranged on the workbench, can move in the length direction of the lower die and can be fixed on the workbench, and are attached to one side of the length direction of the lower die along with the plates.

By adopting the technical scheme, when the plate is bent, the plate is placed right above the lower die, the positioning plates on the two sides of the plate along the length direction of the lower die are moved until the positioning plates are attached to the two sides of the plate, and then the positioning plates are fixed on the workbench, so that the positioning of the plate is completed. Compare in the staff and fix a position panel with the hand always for the process of bending of panel is more convenient.

In a specific possible embodiment, the positioning plate comprises a top plate, a connecting plate and a bottom plate, wherein the connecting plate is vertically arranged, the top end of the connecting plate is connected with the top plate, and the bottom end of the connecting plate is connected with the bottom plate; the bottom plate is arranged on the workbench in a sliding mode, one end, far away from the connecting plate, of the top plate extends to the edge of a cavity of the lower die, and the height of the top plate is smaller than or equal to that of the plate.

Through adopting above-mentioned technical scheme, the one end that the connecting plate was kept away from to the roof extends to the die cavity edge of lower mould and the setting of the height that highly less than or equal to panel of roof, helps panel to bend the time roof and is difficult for causing the influence to panel to guarantee going on smoothly of panel operation of bending as far as possible.

In a specific embodiment, a mounting groove is formed in the workbench along the length direction of the lower die, the bottom plate is arranged in the mounting groove in a sliding mode, a through hole is formed in the bottom plate, a plurality of fixing holes are formed in the workbench and are evenly distributed along the length direction of the lower die, fixing pins are connected in the through holes, and the fixing pins penetrate through one of the fixing holes and are inserted into the through holes.

Through adopting above-mentioned technical scheme, after confirming the position of locating plate on the workstation, pass the fixed pin in the through-hole of corresponding fixed orifices and insertion bottom plate to fix the locating plate on the workstation, should set up simple structure and easily realize.

In a specific embodiment, one side of the positioning plate close to the plate is provided with an elastic pad.

Through adopting above-mentioned technical scheme, the effort between locating plate and the panel can be slowed down in the setting of cushion for panel is difficult for laminating for a long time with the locating plate and causes comparatively serious wearing and tearing.

In a specific possible implementation scheme, a slide rail is arranged on the top surface of the workbench, a slide groove is formed in the bottom surface of the lower die, and the slide rail is slidably arranged in the slide groove.

Through adopting above-mentioned technical scheme, slide rail on the workstation slides and sets up in the spout seted up on the lower mould, and the staff of being convenient for accomplishes the installation and the dismantlement of lower mould on the workstation to convenience when promoting large-scale bender use.

In a specific implementation scheme, mounting plates are symmetrically arranged on the side wall of the workbench along the length direction of the workbench, a limiting assembly is further arranged on the workbench and comprises a rotating shaft, a torsional spring and a baffle plate, the rotating shaft is rotatably arranged on the mounting plates, the baffle plate and the torsional spring are both arranged on the rotating shaft, one end of the torsional spring is connected with the mounting plates, and the other end of the torsional spring is connected with the baffle plate; the torsional spring is under free state, the baffle with the tip of slide rail is laminated mutually.

Through adopting above-mentioned technical scheme, after the lower mould was installed on the workstation, the torsional spring was in free state this moment, thereby the baffle laminates the tip of slide rail mutually and plays spacing effect to the lower mould for the lower mould is difficult for squinting at the in-process of bending of panel. When the lower die is required to be detached, the rotating shaft is rotated to enable the baffle to rotate downwards, and then the lower die can slide out of the workbench.

In a specific implementation scheme, be equipped with on the last mould and be used for detecting go up the mould with whether there is the human infrared detector of staff's hand between the lower mould, be equipped with the alarm lamp in the frame, human infrared detector respectively with the alarm lamp and hydraulic system connects.

Through adopting above-mentioned technical scheme, based on the setting of above-mentioned structure, be convenient for supplementary realization when bending to panel, the human infrared detector that is located the mould can detect the region between last mould and the lower mould, if detect to have staff's hand between last mould and the lower mould, hydraulic system stops to drive and goes up the mould, and the alarm lamp shines to play warning staff's effect.

In a specific implementation scheme, the human body infrared detector is provided with a plurality of human body infrared detectors which are uniformly distributed along the length direction of the lower die, and each human body infrared detector is respectively connected with the alarm lamp and the hydraulic system.

By adopting the technical scheme, the plurality of human body infrared detectors can cover the area between the upper die and the lower die as much as possible, so that the detection range of the human body infrared detectors is enlarged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the plate is bent, the plate is placed right above the lower die, the positioning plates on the two sides of the plate along the length direction of the lower die are moved until the positioning plates are attached to the two sides of the plate, and then the positioning plates are fixed on the workbench, so that the positioning of the plate is completed. Compared with the method that the plate is always positioned by hands of workers, the bending process of the plate is more convenient and faster;

2. one end of the top plate, which is far away from the connecting plate, extends to the edge of the cavity of the lower die, and the height of the top plate is less than or equal to that of the plate, so that the top plate is not easy to influence the plate when the plate is bent, and the smooth bending operation of the plate is ensured as much as possible;

3. based on the setting of above-mentioned structure, be convenient for supplementary the realization when bending to panel, the human infrared detector that is located last mould can detect the region between last mould and the lower mould, if detect the hand that has the staff between last mould and the lower mould, hydraulic system stops to drive and goes up the mould, and the alarm lamp shines to play warning staff's effect.

Drawings

Fig. 1 is a schematic view of the overall structure of a large bending machine in the embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is an exploded view in the embodiment of the present application.

Fig. 5 is a schematic structural diagram in the embodiment of the present application.

Fig. 6 is an enlarged view of a portion C in fig. 5.

Fig. 7 is an enlarged view of a portion D in fig. 5.

Description of reference numerals: 1. a frame; 11. an upper die; 12. a lower die; 13. a hydraulic system; 14. an alarm lamp; 15. a human body infrared detector; 2. a work table; 21. a slide rail; 22. mounting grooves; 23. a fixing hole; 4. positioning a plate; 41. a top plate; 42. a connecting plate; 43. a base plate; 431. a through hole; 44. an elastic pad; 5. a limiting component; 51. mounting a plate; 52. a rotating shaft; 53. a baffle plate; 54. a torsion spring; 6. and fixing the pin.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a large bending machine. Referring to fig. 1, large-scale bender includes frame 1, last mould 11 and workstation 2, goes up mould 11 and workstation 2 and all installs in frame 1, and fixed mounting has the lower mould 12 corresponding with last mould 11 on workstation 2, still is provided with the hydraulic system 13 that is used for the drive to go up mould 11 and reciprocates in the frame 1, and is concrete, and hydraulic system 13 sets up to the pneumatic cylinder, and the piston rod of pneumatic cylinder is connected with last mould 11. With reference to fig. 2 and 3, a warning lamp 14 is fixedly mounted on the top surface of the frame 1, a plurality of human infrared detectors 15 used for detecting whether a worker has a hand between the upper die 11 and the lower die 12 are arranged on the upper die 11, the human infrared detectors 15 are uniformly distributed along the length direction of the lower die 12, and each human infrared detector 15 is connected with the warning lamp 14 and the hydraulic system 13. The plurality of human body infrared detectors 15 are arranged to cover the area between the upper die 11 and the lower die 12 as much as possible, so that the detection range of the human body infrared detectors 15 is expanded. Based on above-mentioned hardware structure's setting, be convenient for supplementary the realization when bending to panel, the human infrared detector 15 that is located last mould 11 can detect the region between last mould 11 and lower mould 12, if detect to have staff's hand between last mould 11 and the lower mould 12, hydraulic system 13 stops to drive and goes up mould 11, and alarm lamp 14 shines to can play warning staff's effect.

Referring to fig. 4, a slide rail 21 is integrally formed on the top surface of the table 2, and the length of the slide rail 21 is the same as that of the lower mold 12. The bottom surface of the lower die 12 is provided with a sliding groove corresponding to the sliding rail 21, and the sliding rail 21 is arranged in the sliding groove in a sliding manner, so that the worker can conveniently complete the installation and the disassembly of the lower die 12 on the workbench 2. With reference to fig. 5 and 6, the two side walls of the workbench 2 along the length direction thereof are both provided with a limiting assembly 5 and two mounting plates 51, and the two mounting plates 51 are symmetrically mounted on the side walls of the workbench 2. Since the two sets of position-limiting assemblies 5 are identical in structure, the following detailed description will be given by taking one set of position-limiting assemblies 5 as an example: the limiting assembly 5 comprises a rotating shaft 52, a torsion spring 54 and a baffle plate 53, the rotating shaft 52 is rotatably arranged between the two mounting plates 51, the baffle plate 53 and the torsion spring 54 are both arranged on the rotating shaft 52, one end of the torsion spring 54 is fixedly connected with the side walls of the mounting plates 51, the other end of the torsion spring 54 is fixedly connected with the outer walls of the baffle plate 53, and the torsion spring 54 is attached to the end part of the sliding rail 21 in a free state. After the lower die 12 is installed on the workbench 2, the torsion spring 54 is in a free state, and the baffle 53 attaches the end part of the slide rail 21 to limit the lower die 12, so that the lower die 12 is not easy to deviate in the bending process of the plate. When the lower mold 12 needs to be disassembled, the lower mold 12 can be slid out of the workbench 2 by rotating the rotating shaft 52 to rotate the baffle plate 53 downwards.

Referring to fig. 5 and 7, four positioning plates 4 are arranged on the worktable 2, the four positioning plates 4 are arranged in a pairwise symmetry manner, and when the plate is bent, the four positioning plates 4 are attached to two sides of the plate along the length direction of the lower die 12. Specifically, referring to fig. 4, each positioning plate 4 includes a top plate 41, a connecting plate 42 and a bottom plate 43, the connecting plate 42 is vertically disposed, the top end of the connecting plate 42 is fixedly connected to the bottom surface of the top plate 41, and the bottom end of the connecting plate 42 is fixedly connected to the top surface of the bottom plate 43. One end of the top plate 41, which is far away from the connecting plate 42, extends to the edge of the cavity of the lower die 12, and the height of the top plate 41 is less than or equal to the height of the plate, so that the top plate 41 is not easy to affect the plate when the plate is bent, and smooth bending operation of the plate is ensured as much as possible.

Referring to fig. 4, the bottom plate 43 is slidably disposed on the worktable 2, specifically, the worktable 2 is provided with a mounting groove 22 along the length direction of the lower mold 12, and the bottom plate 43 is slidably disposed in the mounting groove 22. The through hole 431 is formed in the bottom plate 43 in the vertical direction, the plurality of fixing holes 23 are formed in the workbench 2, the plurality of fixing holes 23 are evenly distributed along the length direction of the lower die 12, the fixing pins 6 are connected into the through holes 431, and the fixing pins 6 penetrate through one of the fixing holes 23 and are inserted into the through holes 431, so that the positioning plate 4 is fixed on the workbench 2. When bending the plate, after placing the plate right above the lower die 12, moving the positioning plates 4 on the two sides of the plate along the length direction of the lower die 12 until the positioning plates 4 are attached to the two sides of the plate, and after determining the position of the positioning plate 4 on the workbench 2, inserting the fixing pin 6 into the through hole 431 of the bottom plate 43 through the corresponding fixing hole 23, so as to fix the positioning plate 4 on the workbench 2, and further complete the positioning of the plate. Compare in the staff and fix a position panel with the hand always for the process of bending of panel is more convenient. One side that roof 41 and connecting plate 42 are close to panel all is equipped with cushion 44, and cushion 44's setting can slow down the effort between locating plate 4 and the panel for panel is difficult for laminating for a long time with locating plate 4 and causes comparatively serious wearing and tearing.

The implementation principle of the large bending machine in the embodiment of the application is as follows: when bending the plate, after placing the plate right above the lower die 12, moving the positioning plates 4 on the two sides of the plate along the length direction of the lower die 12 until the positioning plates 4 are attached to the two sides of the plate, and after determining the position of the positioning plate 4 on the workbench 2, inserting the fixing pin 6 into the through hole 431 of the bottom plate 43 through the corresponding fixing hole 23, so as to fix the positioning plate 4 on the workbench 2, and further complete the positioning of the plate. Compare in the staff and fix a position panel with the hand always for the process of bending of panel is more convenient.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A large bending machine comprises a rack (1), an upper die (11) and a workbench (2) arranged on the rack (1), wherein a hydraulic system (13) used for driving the upper die (11) to move along the vertical direction is arranged on the rack (1), and a lower die (12) corresponding to the upper die (11) is arranged on the workbench (2); the automatic stamping die is characterized in that positioning plates (4) are symmetrically arranged on the workbench (2), the positioning plates (4) can be moved in the length direction of the lower die (12) and can be fixed on the workbench (2), and the positioning plates (4) are attached to one side of the length direction of the lower die (12) along with a plate.

2. Large bending machine according to claim 1, characterized in that: the positioning plate (4) comprises a top plate (41), a connecting plate (42) and a bottom plate (43), the connecting plate (42) is vertically arranged, the top end of the connecting plate (42) is connected with the top plate (41), and the bottom end of the connecting plate (42) is connected with the bottom plate (43); the bottom plate (43) is arranged on the workbench (2) in a sliding mode, one end, far away from the connecting plate (42), of the top plate (41) extends to the edge of a cavity of the lower die (12), and the height of the top plate (41) is smaller than or equal to that of a plate.

3. Large bending machine according to claim 2, wherein: follow on workstation (2) mounting groove (22) have been seted up to the length direction of lower mould (12), bottom plate (43) slide to set up in mounting groove (22), through-hole (431) have been seted up on bottom plate (43), a plurality of fixed orificess (23) have been seted up on workstation (2), and are a plurality of fixed orificess (23) are followed the length direction evenly distributed of lower mould (12), through-hole (431) in-connection has fixed pin (6), fixed pin (6) pass one of them fixed orificess (23) insert in through-hole (431).

4. Large bending machine according to claim 1, characterized in that: and one side of the positioning plate (4) close to the plate is provided with an elastic cushion (44).

5. Large bending machine according to claim 1, characterized in that: the top surface of workstation (2) is equipped with slide rail (21), the spout has been seted up to the bottom surface of lower mould (12), slide rail (21) slide to be set up in the spout.

6. Large bending machine according to claim 5, characterized in that: the side wall of the workbench (2) along the length direction is symmetrically provided with mounting plates (51), the workbench (2) is further provided with a limiting component (5), the limiting component (5) comprises a rotating shaft (52), a torsion spring (54) and a baffle (53), the rotating shaft (52) is rotatably arranged on the mounting plates (51), the baffle (53) and the torsion spring (54) are arranged on the rotating shaft (52), one end of the torsion spring (54) is connected with the mounting plates (51), and the other end of the torsion spring (54) is connected with the baffle (53); the torsion spring (54) is in a free state, and the baffle (53) is attached to the end part of the sliding rail (21).

7. Large bending machine according to claim 1, characterized in that: go up to be equipped with on mould (11) and be used for detecting go up mould (11) with whether there is human infrared detector (15) of staff's hand between lower mould (12), be equipped with alarm lamp (14) on frame (1), human infrared detector (15) respectively with alarm lamp (14) and hydraulic system (13) are connected.

8. Large bending machine according to claim 7, characterized in that: human infrared detector (15) are equipped with a plurality of, and are a plurality of human infrared detector (15) are followed the length direction evenly distributed of lower mould (12), every human infrared detector (15) divide equally respectively with alarm lamp (14) and hydraulic system (13) are connected.