CN213495781U

CN213495781U - Hydraulic plate bending machine

Info

Publication number: CN213495781U
Application number: CN202022446377.3U
Authority: CN
Inventors: 王振
Original assignee: Jiangsu Ruiteng Technology Co ltd
Current assignee: Jiangsu Ruiteng Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-22
Anticipated expiration: 2030-10-28

Abstract

The application relates to the field of machining, and discloses a hydraulic plate bending machine which comprises a rack and a lower die, wherein a workbench for placing the lower die is arranged on one side of the rack, supporting tables are arranged on two sides of the workbench, the supporting tables are positioned at two ends of the length direction of the machine frame, transmission components are arranged on the two supporting tables, the transmission assembly comprises a transmission motor fixedly connected on the support table and a transmission screw rod coaxially connected with an output shaft of the transmission motor, the transmission screw rod is horizontally arranged and is vertical to the length direction of the frame, the support table is provided with a sliding groove for placing the transmission screw rod, the lower mould is of a plate-shaped structure, a plurality of bending grooves are formed in the lower mould along the length direction of the rack, the bending grooves are parallel to each other and are different in bending angle, and a connecting assembly is arranged between the lower mould and the transmission assembly. This application has and need not to change the effect that the lower mould can adjust the panel and roll over the angle.

Description

Hydraulic plate bending machine

Technical Field

The application relates to the field of machining, in particular to a hydraulic plate bending machine.

Background

A bending machine is a mechanical device used for processing sheet metal. When the plate is bent, the plate can be bent to a required angle by replacing the lower die.

Chinese patent with publication No. CN206527186U at present discloses a hydraulic plate bending machine, which comprises a body, a lower die fixedly connected with the lower end of the body, an upper die which slides up and down and is used for bending a plate, an oil cylinder which is fixedly connected with the two ends of the body and is used for driving the upper die to slide, a support fixedly connected with one side of the body, and a support plate fixedly connected with the upper side of the support and used for placing the plate.

According to the related technology, the bending grooves with different bending angles are formed in the four side walls of the lower die of the hydraulic plate bending machine, when the bending angles need to be changed, after a bending cutter is changed, a worker needs to turn over the lower die to change the bending angles, and the inventor thinks that the hydraulic plate bending machine has the problems that a large amount of manpower is needed to be consumed and the lower die is inconvenient to replace when the lower die needs to be replaced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the change lower mould is wasted time and energy when the bender uses, this application provides a hydraulic plate bender.

The application provides a hydraulic plate bending machine adopts following technical scheme:

the utility model provides a hydraulic plate bending machine, includes frame and lower mould, and one side of frame is equipped with and is used for placing the workstation of lower mould, the both sides of workstation are equipped with a supporting bench, a supporting bench is located frame length direction's both ends, two be equipped with drive assembly on the supporting bench, drive assembly include fixed connection at a supporting bench drive motor, with drive motor's output shaft coaxial coupling's transmission lead screw, the transmission lead screw level sets up and is perpendicular with the length direction of frame, be equipped with the sliding tray that is used for placing the transmission lead screw on the supporting bench, the lower mould is platelike structure, the length direction of frame is followed to the lower mould is equipped with the groove of bending, the groove of bending is equipped with a plurality ofly, and is a plurality of the groove of bending is parallel to each other and the angle of bending.

Through adopting above-mentioned technical scheme, thereby the staff can control transmission assembly and drive the notch that the lower bolster translation changed the lower mould and correspond with last mould to change the angle of turning over, need not the manual work and change lower mould, labour saving and time saving.

Optionally, coupling assembling includes the transmission piece of threaded connection on transmission lead screw, sets up hydraulic cylinder on the transmission piece, sets up the backup pad on hydraulic cylinder's piston rod, the vertical setting of hydraulic cylinder, the backup pad is dismantled with the lower mould and is connected, be equipped with the sliding tray that is used for placing the transmission piece on the brace table, drive motor is located the one end of sliding tray, transmission lead screw sets up along the length direction of sliding tray.

Through adopting above-mentioned technical scheme, when needs change the angle of turning over, can control earlier lifting unit lifts up the lower mould, and the translation motion is done on the horizontal plane to back utilization drive assembly control lower mould, thereby reduces the bottom surface of lower mould and the wearing and tearing that the workstation took place the friction and reduce the lower mould when the translation.

Optionally, a bearing plate is arranged on the workbench, the lower die is located on the surface of the bearing plate, a plurality of trapezoidal grooves are formed in the upper surface of the bearing plate, bulges are arranged at the positions, corresponding to the bending grooves, of the bottom surface of the lower die, and the bulges are in plug-in fit with the grooves.

By adopting the technical scheme, after the horizontal position is adjusted, the lifting hydraulic cylinder can be started, the lower die is placed on the bearing plate, the protrusion on the lower die and the groove on the bearing plate are connected and fixed in an inserting mode, the groove plays a limiting role in the lower die, and the stability of the lower die during bending is improved.

Optionally, the side of lower mould is equipped with the connecting plate, the backup pad is located the below of connecting plate, the backup pad is contradicted with the connecting plate, the backup pad passes through bolted connection with the connecting plate.

Through adopting above-mentioned technical scheme, the groove number of bending that sets up on the lower mould is limited, when needs bend into other angles with panel, can dismantle the lower mould and replace.

Optionally, the two transmission motors are connected in parallel, and the two lifting hydraulic cylinders are connected in parallel.

Through adopting above-mentioned technical scheme, two transmission motor are parallelly connected can make the lower mould translation in-process comparatively stable, and two parallelly connected can make the lower mould comparatively stable at the lift in-process of two hydraulic cylinder, can not take place to incline, improve the stability of mechanism.

Optionally, the surface of the transmission block is provided with a plurality of obliquely arranged support rods, and one end of each support rod, far away from the transmission block, is fixedly connected with the side wall of the lifting hydraulic cylinder.

Through adopting above-mentioned technical scheme, the bracing piece provides the support for hydraulic cylinder, makes the pneumatic cylinder more stable at the translation in-process.

Optionally, a lubricating medium is disposed on the side wall of the sliding groove.

Through adopting above-mentioned technical scheme, frictional force when reducing the driving block and sliding to reduce the wearing and tearing of driving block.

Optionally, the surface that transmission piece and sliding tray contradict inlays and is equipped with the ball, the ball contradicts with the inner wall of sliding tray.

Through adopting above-mentioned technical scheme, further reduce the frictional force between sliding tray and the driving block, reduce the wearing and tearing in the driving block use.

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

1. through the arrangement of the transmission assembly, workers can replace the lower die easily, and time and labor are saved;

2. by arranging the connecting assembly, the lower die can be lifted firstly when the lower die is moved, so that the abrasion of the lower die during movement is reduced;

3. through setting up the bearing plate, have a limiting displacement effect to the lower mould to improve the quality of bending.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic plate bending machine according to embodiment 1 of the present application.

Fig. 2 is a schematic structural diagram of a hydraulic plate bending machine according to embodiment 2 of the present application.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.

Fig. 4 is a schematic structural view of a transmission assembly for embodying embodiment 2 of the present application.

Description of reference numerals: 1. a frame; 11. a hydraulic device; 12. an upper die; 2. a work table; 21. a bearing plate; 211. a groove; 22. a support table; 3. a lower die; 31. bending the groove; 311. a protrusion; 32. a connecting plate; 4. a transmission assembly; 41. a drive motor; 42. a transmission screw rod; 43. a sliding groove; 431. a ball bearing; 432. a limit switch; 5. a connecting assembly; 51. a transmission block; 511. a support bar; 52. a lifting hydraulic cylinder; 53. and a support plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses hydraulic plate bending machine.

Example 1

Referring to fig. 1, the hydraulic plate bending machine includes a frame 1, a worktable 2, an upper die 12, a hydraulic device 11, and a lower die 3. Go up mould 12 and set up along the length direction of frame 1, hydraulic means 11 is fixed to be set up on the lateral wall of frame 1 to hydraulic means 11's output and last mould 12 fixed connection, thereby the drive goes up mould 12 and goes up and down.

Referring to fig. 1, a worktable 2 is disposed at one side of a frame 1, and a lower die 3 matched with an upper die 12 is fixedly disposed on the worktable 2. The lower die 3 is of a plate-shaped structure, a plurality of bending grooves 31 are formed in the lower die 3 along the length direction of the rack 1, the bending grooves 31 are parallel to each other, and the bending angles of the bending grooves 31 are different.

Referring to fig. 1, support tables 22 are arranged on two sides of a workbench 2, the support tables 22 are located at two ends of a length direction of a rack 1, transmission assemblies 4 are arranged on the two support tables 22, each transmission assembly 4 comprises a transmission motor 41 fixedly arranged on the support table 22, a transmission screw rod 42 coaxially connected with an output shaft of the transmission motor 41 and a sliding groove 43 used for placing the transmission screw rod 42, the transmission screw rod 42 is horizontally arranged and is perpendicular to the length direction of the workbench 2, and the transmission motor 41 is fixedly arranged at one end of the sliding groove 43. Be equipped with coupling assembling 5 between drive assembly 4 and the lower mould 3, coupling assembling 5's one end and transmission lead screw 42 pass through threaded connection, coupling assembling 5's the other end and lower mould 3 fixed connection.

Referring to fig. 1, when the bending angle of the plate needs to be changed, after the tool is changed, the transmission motor 41 is turned on, the transmission motor 41 drives the transmission screw rod 42 to rotate, so that the connecting assembly 5 slides in the sliding groove 43, the lower die 3 is driven to translate on the workbench 2, and a worker can align the bending groove 31 corresponding to the angle on the lower die 3 with the upper die 12, so that the purpose of changing the bending angle is achieved. Transmission assembly 4 can help the staff rapid adjustment lower mould 3 go up the angle of bending groove 31, labour saving and time saving improves production efficiency.

The implementation principle of the embodiment 1 is as follows: when the bending angle of the plate needs to be changed, the upper die 12 can be replaced, then the transmission motor 41 is started, the connecting assembly 5 is driven to slide in the sliding groove 43 through the transmission lead screw 42, so that the lower die 3 is controlled to move horizontally on the workbench 2, the transmission assembly 4 is closed after the bending groove 31 corresponding to the angle on the lower die 3 is aligned with the upper die 12, and the hydraulic device 11 is controlled to drive the upper die 12 to descend, so that the process of bending the plate is completed.

Example 2

Referring to fig. 2 and 3, the difference from embodiment 1 is that a bearing plate 21 is disposed on the table 2, the lower mold 3 is disposed on the bearing plate 21, the bearing plate 21 is provided with a plurality of parallel grooves 211, the bottom surface of the lower mold 3 is provided with protrusions 311 corresponding to the bending grooves 31, the cross section of each protrusion 311 is the same, the cross section of the protrusion 311 and the cross section of the groove 211 are the same, and the protrusion 311 and the groove 211 are matched by plugging. The bearing plate 21 has a limiting effect on the lower die 3 and limits the lower die 3 from moving under normal conditions, so that the bending quality of the plate material is improved.

Referring to fig. 2 and 4, support tables 22 are arranged on two sides of the workbench 2, the support tables 22 are located at two ends of the workbench 2 in the length direction, transmission assemblies 4 are arranged on the two support tables 22, each transmission assembly 4 comprises a transmission motor 41 fixedly arranged on the support table 22, a transmission screw rod 42 coaxially connected with an output shaft of the transmission motor 41 and a sliding groove 43 used for placing the transmission screw rod 42, the transmission screw rod 42 is horizontally arranged and is perpendicular to the length direction of the workbench 2, and the transmission motor 41 is fixedly arranged at one end of the sliding groove 43.

Referring to fig. 3 and 4, be equipped with coupling assembling 5 between drive assembly 4 and the lower mould 3, coupling assembling 5 includes drive block 51 of threaded connection on drive screw 42, the hydraulic cylinder 52 of setting on drive block 51 and the backup pad 53 of setting on hydraulic cylinder 52's piston rod, hydraulic cylinder 52 is vertical to be set up, all be equipped with connecting plate 32 on lower mould 3 and the perpendicular both sides limit of frame 1 length direction, backup pad 53 is located the below of connecting plate 32, backup pad 53 contradicts and passes through bolted connection with connecting plate 32. Because the quantity of the bending groove 31 that can open on the lower mould 3 is limited, when the angle that need bend to the panel and the bending groove 31 on the lower mould 3 mismatch, can dismantle lower mould 3 and replace.

Referring to fig. 3, the surface of the transmission block 51 is provided with a plurality of support rods 511 which are obliquely arranged, one ends of the support rods 511 are fixedly connected to the surface of the transmission block 51, and the other ends of the support rods 511 are fixedly connected to the side walls of the hydraulic lifting cylinder 52, so that the support rods 511 can provide reliable support for the hydraulic lifting cylinder 52 according to the triangular stability principle, and the hydraulic lifting cylinder 52 is more stable in the translation process.

Referring to fig. 2 and 3, when the bending groove 31 corresponding to the upper die 12 needs to be replaced, the lifting hydraulic cylinder 52 is controlled to start, an output shaft of the lifting hydraulic cylinder 52 applies force to the connecting plate 32 to lift the lower die 3 to a certain height, so that the protrusion 311 is lifted out of the groove 211, and after the lifting hydraulic cylinder 52 stops working, the driving motor 41 is controlled to work to drive the driving screw rod 42 to rotate, so that the driving block 51 is controlled to reciprocate in the sliding groove 43.

Referring to fig. 2 and 4, a plurality of limit switches 432 are arranged on the side wall of the sliding groove 43, each limit switch 432 corresponds to the center point of the groove 211 on each bearing plate 21, the transmission assembly 4 controls the lower die 3 to automatically trigger the limit switches 432 every time the lower die 3 moves, the transmission assembly 4 automatically stops working, when the lower die 3 needs to move horizontally for multiple times, a worker can repeatedly start the transmission assembly 4 to control the lower die 3 to move, the limit switches 432 can accurately control the moving distance of the lower die 3, and therefore the possibility that the protrusion 311 on the lower die 3 cannot be smoothly inserted into the groove 211 is reduced.

Referring to fig. 2 and 4, after the lower mold 3 moves to a designated position, the transmission motor 41 is automatically turned off, and the worker can start the hydraulic lifting cylinder 52 again to control the lower mold 3 to descend, so that the lower mold 3 is in inserted fit with the bearing plate 21.

Referring to fig. 2, the transmission motors 41 on the two support tables 22 are arranged in parallel, so that when the transmission motors 41 control the translation of the lower mold 3, the possibility of the horizontal displacement of the lower mold 3 can be reduced. The hydraulic lifting cylinders 52 on the two transmission blocks 51 are arranged in parallel, so that when the hydraulic lifting cylinders 52 control the lower die 3 to lift, the possibility of the lower die 3 inclining in the vertical direction can be reduced.

Referring to fig. 4, a lubricating medium is arranged on the side wall of the sliding groove 43, a ball 431 is embedded in the surface of the transmission block 51 abutting against the sliding groove 43, the ball 431 abuts against the inner wall of the sliding groove 43, and when the transmission block 51 reciprocates in the sliding groove 43, the arrangement of the lubricating medium and the ball 431 reduces the friction force between the side wall of the sliding groove 43 and the transmission block 51, reduces the abrasion of the transmission block 51 in the use process, and prolongs the service life of the device.

The implementation principle of the embodiment 2 is as follows: when the sheet material bending angle needs to be changed, the upper die 12 can be replaced firstly, then the lower die 3 is lifted to a certain height through the connecting assembly 5, the lower die 3 is controlled to move in the horizontal direction through the transmission assembly 4, the bending groove 31 with the corresponding angle is moved to the position right below the upper die 12, finally the connecting assembly 5 is controlled to drive the lower die 3 to descend, the lower die 3 is placed on the bearing plate 21, and finally the hydraulic device 11 is controlled to drive the upper die 12 to descend so as to bend the sheet material.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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. The utility model provides a hydraulic plate bending machine, includes frame (1) and lower mould (3), and one side of frame (1) is equipped with and is used for placing workstation (2) of lower mould (3), its characterized in that: supporting tables (22) are arranged on two sides of the workbench (2), the supporting tables (22) are positioned at two ends of the machine frame (1) in the length direction, transmission assemblies (4) are arranged on the two supporting tables (22), the transmission assembly (4) comprises a transmission motor (41) fixedly connected on the support table (22) and a transmission screw rod (42) coaxially connected with an output shaft of the transmission motor (41), the transmission screw rod (42) is horizontally arranged and is vertical to the length direction of the frame (1), a sliding groove (43) for placing a transmission screw rod (42) is arranged on the supporting platform (22), the lower die (3) is of a plate-shaped structure, a bending groove (31) is arranged on the lower die (3) along the length direction of the rack (1), a plurality of bending grooves (31) are arranged, the bending grooves (31) are parallel to each other and have different bending angles, and a connecting assembly (5) is arranged between the lower die (3) and the transmission assembly (4).

2. The hydraulic plate bending machine according to claim 1, characterized in that: coupling assembling (5) include transmission block (51), the hydraulic cylinder (52) of setting on transmission block (51), backup pad (53) of setting on the piston rod of hydraulic cylinder (52) of threaded connection on transmission lead screw (42), hydraulic cylinder (52) vertical setting, backup pad (53) can be dismantled with lower mould (3) and be connected, be equipped with sliding tray (43) that are used for placing transmission block (51) on brace table (22), drive motor (41) are located the one end of sliding tray (43), the length direction setting of sliding tray (43) is followed in transmission lead screw (42).

3. A hydraulic plate bending machine according to claim 2, characterized in that: be equipped with bearing plate (21) on workstation (2), lower mould (3) are located the surface of bearing plate (21), bearing plate (21) upper surface is opened has a plurality of recesses (211), the bottom surface of lower mould (3) corresponds bending groove (31) department and is equipped with arch (311), protruding (311) are pegged graft with recess (211) and are cooperated.

4. A hydraulic plate bending machine according to claim 3, characterized in that: the side of lower mould (3) is equipped with connecting plate (32), backup pad (53) are located the below of connecting plate (32), backup pad (53) are contradicted with connecting plate (32), backup pad (53) pass through bolted connection with connecting plate (32).

5. The hydraulic plate bending machine according to claim 4, wherein: the two transmission motors (41) are connected in parallel, and the two lifting hydraulic cylinders (52) are connected in parallel.

6. A hydraulic plate bending machine according to claim 5, characterized in that: the surface of transmission piece (51) is equipped with bracing piece (511) that many slopes set up, the lateral wall fixed connection of one end and hydraulic cylinder (52) of transmission piece (51) is kept away from in bracing piece (511).

7. A hydraulic plate bending machine according to claim 2, characterized in that: and a lubricating medium is arranged on the side wall of the sliding groove (43).

8. The hydraulic plate bending machine according to claim 7, wherein: the surface of the transmission block (51) abutted against the sliding groove (43) is embedded with a ball (431), and the ball (431) is abutted against the inner wall of the sliding groove (43).