CN210876880U

CN210876880U - High-precision numerical control bending machine

Info

Publication number: CN210876880U
Application number: CN201921681836.7U
Authority: CN
Inventors: 杨绪昌; 逯宪斌; 张勇
Original assignee: Hebei Workman Nc Machinery Co ltd
Current assignee: Cangzhou Wofu Laser Technology Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-30
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to the technical field of machining accessories, in particular to a high-precision numerical control bending machine, which is convenient to move and position heavy plates, saves labor, effectively prevents the plates from raising and damaging workers in the bending process, reduces potential safety hazards and improves the use reliability; the bending machine comprises a bending machine body and a numerical control device for controlling the bending machine body, wherein the bending machine body comprises a workbench, a hydraulic oil cylinder arranged on the workbench, a pressing plate arranged at the output end of the bottom of the hydraulic oil cylinder and a lower template arranged on the workbench and positioned below the pressing plate; the first half region on workstation top is provided with two sets of horizontal preceding spouts, and the latter half region on workstation top is provided with two sets of horizontal back spouts, still includes preceding backup pad, back backup pad, preceding slide, left extension board, right extension board, back slide and positioner, and positioner includes preceding extension board, back extension board, two sets of gag lever posts, lead screw, locating plate and adjusting motor.

Description

High-precision numerical control bending machine

Technical Field

The utility model relates to a technical field of machining auxiliary device especially relates to a high accuracy numerical control bender.

Background

As is known, a numerical control bending machine is a machine tool (general purpose or special purpose) that bends a cold metal plate into various geometric cross-sectional shapes using a die. The plate bending machine is a plate forming machine designed for cold-rolled sheet metal machining, and is widely applied to plate bending machining in industries such as automobile, airplane manufacturing, light industry, shipbuilding, containers, elevators, railway vehicles and the like; the existing high-precision numerical control bending machine comprises a bending machine body and a numerical control device for controlling the bending machine body, wherein the bending machine body comprises a workbench, a hydraulic oil cylinder arranged on the workbench, a pressing plate arranged at the output end of the bottom of the hydraulic oil cylinder and a lower template arranged on the workbench and positioned below the pressing plate; when the existing high-precision numerical control bending machine is used, a plate needs to be manually placed at the top end of a lower template and positioned, a hydraulic oil cylinder drives a pressing plate to move downwards, and the plate is bent through the matching of the pressing plate and the lower template; the existing high-precision numerical control bending machine is found in use, multiple-angle bending can be carried out on some heavier plates in the bending process often, the plates are dragged and positioned manually, manpower is consumed, the plates are easily damaged by tilting in the bending process, certain potential safety hazards exist, and the use reliability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a convenient removes and fixes a position heavy panel, uses manpower sparingly, effectively prevents to buckle the in-process panel and sticks up the condition that causes the injury to the workman, reduces the potential safety hazard, improves the high accuracy numerical control bender of reliability of use.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision numerical control bending machine comprises a bending machine body and a numerical control device for controlling the bending machine body, wherein the bending machine body comprises a workbench, a hydraulic oil cylinder arranged on the workbench, a pressing plate arranged at the output end of the bottom of the hydraulic oil cylinder and a lower template arranged on the workbench and positioned below the pressing plate; the top ends of the left support plate and the right support plate are positioned on the same horizontal plane with the top end of the lower template, the rear half area of the top end of the workbench is provided with two groups of transverse rear sliding grooves, the rear sliding plates are arranged in the two groups of rear sliding grooves in a sliding mode, the top ends of the two groups of rear sliding plates are connected with the front side and the rear side of the bottom end of the rear support plate respectively, the positioning device comprises the front support plate, the rear support plate and two groups of limiting rods, The bottom ends of the front support plate and the rear support plate are respectively connected with the front side and the rear side of the top end of the rear support plate, the front support plate and the rear support plate are both positioned behind the lower template, the top ends of the front support plate and the rear support plate and the top end of the lower template are positioned on the same horizontal plane, the middle part of the positioning plate is provided with a threaded hole, the adjusting motor is arranged in the middle of the rear end of the rear support plate, the front end of the screw rod passes through the threaded hole from the rear end of the positioning plate to the front side of the positioning plate in a threaded manner, the rear end of the screw rod passes through the rear support plate and is in transmission connection with the output end of the front side of the adjusting motor, the left half area and the rear half area of the positioning plate are both provided with limiting holes which are communicated from front to back, the front ends of the two groups of limiting rods are respectively connected with the left half area and the right half area of the rear end of the front support plate, and the rear ends of the two groups of limiting rods respectively penetrate through the two groups of limiting holes from the front end of the positioning plate and are respectively connected with the left half area and the right half area of the front end of the rear support plate.

Preferably, the top end of the positioning plate is positioned above the top end of the lower template.

Preferably, a compressing device is arranged between the left support plate and the right support plate, the compressing device comprises a front baffle, a rear baffle, a limiting plate, two sets of sliding rods, two sets of compression springs, two sets of threaded pipes, two sets of threaded rods and a compression plate, the front baffle and the rear baffle are respectively and vertically arranged in a front half area and a rear half area between the left support plate and the right support plate, the left half area and the right half area of the limiting plate are respectively provided with through holes which are communicated from front to back, the rear ends of the two sets of sliding rods respectively penetrate through the two sets of through holes from the front end of the limiting plate and are respectively connected with the front end of the rear baffle, the front ends of the two sets of sliding rods respectively penetrate through the two sets of compression springs and are respectively connected with the rear end of the front baffle, the left side and the right side of the front end of the limiting plate are respectively provided with mounting grooves, ball bearings are, the two sets of the through-hole is located the dead ahead of two sets of mounting grooves respectively, the rear end of two sets of screwed pipes passes two sets of through-holes respectively and inserts respectively to two sets of ball bearing insidely from the front end of preceding baffle, the front end of two sets of threaded rods is connected with the left side and the right side of pressure strip rear end respectively, and the rear end of two sets of threaded rods inserts respectively and spiral shell dress to the front end of two sets of screwed pipes inside, the top of pressure strip is located the top on lower bolster top.

Preferably, the front end of the pressing plate is provided with a handle.

Preferably, the adjusting motor is a forward and reverse rotation bidirectional servo motor, and the servo motor is controlled by the numerical control device.

Preferably, the front sliding groove and the rear sliding groove are both dovetail structures, the front sliding plate and the rear sliding plate are both dovetail structures, and locking bolts for fixing the front sliding plate and the rear sliding plate are arranged on the front sliding plate and the rear sliding plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a high accuracy numerical control bender possesses following beneficial effect:

1. this high accuracy numerical control bender, to heavier panel, can be through preceding extension board, left extension board and right extension board support panel, drive the lead screw through the adjusting motor and rotate certain number of turns, through the cooperation of lead screw and screw hole, make the locating plate move certain distance around or backward, the rear end that makes panel pastes tightly with the front end of locating plate, thereby accomplish the location to panel, the convenience is moved and is fixed a position heavy panel, the panel is also need not the manual work to hold in the palm in the bending process, use manpower sparingly.

2. This high accuracy numerical control bender, the in-process of bending is supported the first half region of panel by left extension board and right extension board, need not artifical support to effectively prevent to buckle the condition that the panel perk caused the injury to the workman in-process, reduce the potential safety hazard, improve and use the reliability.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic top view of the front support plate, the rear support plate and the lower mold plate of the present invention;

fig. 3 is a schematic perspective view of another angle of the present invention;

fig. 4 is a schematic front view of the present invention;

in the drawings, the reference numbers: 1. a numerical control device; 2. a work table; 3. a hydraulic cylinder; 4. pressing a plate; 5. A lower template; 6. a front support plate; 7. a rear support plate; 8. a front chute; 9. a front slide plate; 10. A left support plate; 11. a right support plate; 12. a rear chute; 13. a rear slide plate; 14. a front support plate; 15. A rear support plate; 16. a limiting rod; 17. a lead screw; 18. positioning a plate; 19. adjusting the motor; 20. A front baffle; 21. a tailgate; 22. a limiting plate; 23. a slide bar; 24. a compression spring; 25. A threaded pipe; 26. a threaded rod; 27. a compression plate; 28. a ball bearing; 29. a handle; 30. And locking the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the high-precision numerical control bending machine of the present invention comprises a bending machine body and a numerical control device 1 for controlling the bending machine body, wherein the bending machine body comprises a worktable 2, a hydraulic cylinder 3 mounted on the worktable 2, a pressing plate 4 mounted at the bottom output end of the hydraulic cylinder 3, and a lower template 5 mounted on the worktable 2 and located below the pressing plate 4; the worktable comprises a front supporting plate 6 and a rear supporting plate 7, wherein the front half area of the top end of the worktable 2 is provided with two groups of transverse front chutes 8, front sliding plates 9 are arranged in the two groups of front chutes 8 in a sliding manner, the top ends of the two groups of front sliding plates 9 are respectively connected with the front side and the rear side of the bottom end of the front supporting plate 6, the left side and the right side of the top end of the front supporting plate 6 are respectively provided with a left support plate 10 and a right support plate 11, the left support plate 10 and the right support plate 11 are both positioned in front of the lower template 5, the top ends of the left support plate 10 and the right support plate 11 and the top end of the lower template 5 are positioned on the same horizontal plane, the rear half area of the top end of the worktable 2 is provided with two groups of transverse rear sliding grooves 12, rear sliding plates 13 are arranged in the two groups of rear sliding grooves 12 in a sliding manner, the top ends of the two groups of rear sliding plates 13 are respectively connected with, and the front sliding plate 9 and the rear sliding plate 13 are both provided with a locking bolt 30 for fixing the front sliding plate 9 and the rear sliding plate 13, the rear sliding plate 13 slides along the rear sliding groove 12, so that the rear supporting plate 7 and the positioning device can be transversely adjusted, the rear supporting plate 7 can be fixed through the locking bolt 30, the top end of the rear supporting plate 7 is provided with the positioning device, the positioning device comprises a front supporting plate 14, a rear supporting plate 15, two sets of limiting rods 16, a lead screw 17, a positioning plate 18 and an adjusting motor 19, the bottom ends of the front supporting plate 14 and the rear supporting plate 15 are respectively connected with the front side and the rear side of the top end of the rear supporting plate 7, the front supporting plate 14 and the rear supporting plate 15 are both positioned behind the lower plate 5, the top ends of the front supporting plate 14 and the rear supporting plate 15 and the top end of the lower plate 5 are positioned on the same horizontal plane, the middle part of the positioning plate 18, the rear end of a front end self-positioning plate 18 of a lead screw 17 penetrates through a threaded hole to the front side of a positioning plate 18 in a threaded manner, the rear end of the lead screw 17 penetrates through a rear support plate 15 and is in transmission connection with the front side output end of an adjusting motor 19, a left half area and a rear half area of the positioning plate 18 are respectively provided with a front through limiting hole and a rear through limiting hole, the front ends of two groups of limiting rods 16 are respectively connected with the left half area and the right half area of the rear end of a front support plate 14, the front ends of rear end self-positioning plates 18 of the two groups of limiting rods 16 respectively penetrate through the two groups of limiting holes and are respectively connected with the left half area and the right half area of the front end of the rear support plate 15, the top end of the positioning plate 18 is positioned above the top end of a lower support plate 5, the adjusting motor 19 is a forward and reverse rotation bidirectional servo motor, the servo motor is controlled by a numerical control device 1, the servo motor is KM F17RN-, for heavier plates, the plates can be supported by the front support plate 14, the left support plate 10 and the right support plate 11, the screw 17 is driven to rotate for certain number of turns by the adjusting motor 19, the positioning plate 18 moves forwards and backwards or backwards for certain distance by the matching of the screw 17 and a threaded hole, and the rear end of the plate is attached to the front end of the positioning plate 18, so that the plates are positioned, the heavy plates are conveniently moved and positioned, the plates do not need to be manually supported in the bending process, manpower is saved, the front half area of the plates is supported by the left support plate 10 and the right support plate 11 in the bending process, manual supporting is not needed, the condition that the plates tilt up to cause injury to workers in the bending process is effectively prevented, potential safety hazards are reduced, and the use reliability is improved.

The utility model relates to a high-precision numerical control bending machine, a compressing device is arranged between a left support plate 10 and a right support plate 11, the compressing device comprises a front baffle 20, a rear baffle 21, a limiting plate 22, two groups of slide bars 23, two groups of compression springs 24, two groups of screwed pipes 25, two groups of threaded rods 26 and a compressing plate 27, the front baffle 20 and the rear baffle 21 are respectively and vertically arranged in a front half area and a rear half area between the left support plate 10 and the right support plate 11, the left half area and the right half area of the limiting plate 22 are respectively provided with through holes which are communicated from front to back, the rear ends of the two groups of slide bars 23 respectively pass through the two groups of through holes and are respectively connected with the front end of the rear baffle 21, the front ends of the two groups of slide bars 23 respectively pass through the two groups of compression springs 24 and are respectively connected with the rear end of the front baffle 20, the left side and the right side of the front end of the, the left end and the right end of the front baffle plate 20 are respectively provided with a through hole which is through from front to back, the two groups of through holes are respectively positioned right in front of the two groups of mounting grooves, the rear ends of the two groups of threaded pipes 25 respectively penetrate through the two groups of through holes from the front end of the front baffle plate 20 and are respectively inserted into the two groups of ball bearings 28, the front ends of the two groups of threaded rods 26 are respectively connected with the left side and the right side of the rear end of the compression plate 27, the rear ends of the two groups of threaded rods 26 are respectively inserted into and screwed into the front ends of the two groups of threaded pipes 25, the top end of the compression plate 27 is positioned above the top end of; pull handle 29 drives pressure strip 27 through pulling forward and moves forward, then loose hand, under pressure spring 24's elasticity effect, limiting plate 22 and pressure strip 27 move backward, make pressure strip 27's rear end and the board front end of treating processing paste tightly, the condition of panel emergence skew when preventing to bend, need not artifical manual right panel, the security is improved, pressure strip 27 compresses tightly some comparatively frivolous panels, to some comparatively heavy panels, it can rely on self weight and can not take place to remove, can dismantle two sets of threaded rods 26 and pressure strip 27 this moment.

When the device is used, for heavier plates, the plates can be supported through the front support plate 14, the left support plate 10 and the right support plate 11, the screw 17 is driven by the adjusting motor 19 to rotate for a certain number of turns, the positioning plate 18 moves forwards and backwards for a certain distance through the matching of the screw 17 and the threaded hole, and the rear end of the plate is tightly attached to the front end of the positioning plate 18, so that the plates are positioned, the heavy plates are convenient to move and position, the plates do not need to be manually supported in the bending process, manpower is saved, the front half area of the plates is supported by the left support plate 10 and the right support plate 11 in the bending process, manual supporting is not needed, the condition that the plates are tilted to cause injury to workers in the bending process is effectively prevented, potential safety hazards are reduced, the use reliability is improved, the pressing plate 27 is driven to move forwards by pulling the handle 29 forwards and then the handle is loosened, under pressure spring 24's spring action, limiting plate 22 and pressure strip 27 backward movement, make pressure strip 27's rear end and the panel front end of waiting to process paste tightly, the condition of panel emergence skew when preventing to bend need not artifical manual to right panel, improves the security, pressure strip 27 compresses tightly to some more frivolous panels, to some heavier panels, it can rely on self weight and can not take place to remove, can dismantle two sets of threaded rod 26 and pressure strip 27 this moment.

In conclusion, the high-precision numerical control bending machine can support heavy plates through the front support plate 14, the left support plate 10 and the right support plate 11, workers do not need to hold the plates all the time in the bending process, the purpose of saving manpower is achieved, the positioning plate 18 can be adjusted front and back through the adjusting motor 19, the plates are positioned through the positioning plate 18, quick positioning is achieved, the plates can be pressed through the pressing plate 27 for some light and thin plates, the situation that the plates are inclined in the early bending stage is prevented, safety is further improved, the dead weight of some heavy plates is heavy, the pressing plate 27 cannot be easily inclined, and the pressing plate 27 can be detached.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In addition, the numerical control device in the present application is the prior art, and the control of the adjustment motor by the numerical control device is also the prior art in the technical field, so that redundant description is not repeated here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-precision numerical control bending machine comprises a bending machine body and a numerical control device (1) for controlling the bending machine body, wherein the bending machine body comprises a workbench (2), a hydraulic oil cylinder (3) arranged on the workbench (2), a pressing plate (4) arranged at the output end of the bottom of the hydraulic oil cylinder (3) and a lower template (5) arranged on the workbench (2) and positioned below the pressing plate (4); the device is characterized by further comprising a front supporting plate (6) and a rear supporting plate (7), wherein two groups of transverse front sliding grooves (8) are arranged in the front half area of the top end of the workbench (2), front sliding plates (9) are arranged in the two groups of front sliding grooves (8) in a sliding manner, the top ends of the two groups of front sliding plates (9) are respectively connected with the front side and the rear side of the bottom end of the front supporting plate (6), a left supporting plate (10) and a right supporting plate (11) are respectively arranged on the left side and the right side of the top end of the front supporting plate (6), the left supporting plate (10) and the right supporting plate (11) are respectively positioned in front of the lower template (5), the top ends of the left supporting plate (10) and the right supporting plate (11) and the top end of the lower template (5) are positioned on the same horizontal plane, two groups of transverse rear sliding grooves (12) are arranged in the rear half area of the top end of the workbench (2, the top ends of the two groups of rear sliding plates (13) are respectively connected with the front side and the rear side of the bottom end of a rear support plate (15), the top end of the rear support plate (7) is provided with a positioning device, the positioning device comprises a front support plate (14), the rear support plate (15), two groups of limiting rods (16), a screw rod (17), a positioning plate (18) and an adjusting motor (19), the bottom ends of the front support plate (14) and the rear support plate (15) are respectively connected with the front side and the rear side of the top end of the rear support plate (7), the front support plate (14) and the rear support plate (15) are both positioned behind the lower template (5), the top ends of the front support plate (14) and the rear support plate (15) and the top end of the lower template (5) are positioned on the same horizontal plane, the middle part of the positioning plate (18) is provided with a threaded hole, the adjusting motor (19) is installed in the middle part of the rear end of the rear support plate (15), and the front end of the screw rod (17, the rear end of a screw rod (17) penetrates through a rear support plate (15) and is in transmission connection with the front side output end of an adjusting motor (19), the left half area and the rear half area of a positioning plate (18) are respectively provided with a front through limiting hole and a rear through limiting hole, the front ends of two groups of limiting rods (16) are respectively connected with the left half area and the right half area of the rear end of a front support plate (14), and the rear ends of the two groups of limiting rods (16) respectively penetrate through the two groups of limiting holes from the front end of the positioning plate (18) and are respectively connected with the left half area and the right half area of the front end of the rear support plate (15).

2. A high precision numerically controlled bending machine according to claim 1, wherein the top end of said positioning plate (18) is located above the top end of the lower die plate (5).

3. The high-precision numerical control bending machine according to claim 1, wherein a pressing device is arranged between the left support plate (10) and the right support plate (11), the pressing device comprises a front baffle plate (20), a rear baffle plate (21), a limiting plate (22), two sets of sliding rods (23), two sets of pressing springs (24), two sets of threaded pipes (25), two sets of threaded rods (26) and a pressing plate (27), the front baffle plate (20) and the rear baffle plate (21) are respectively vertically arranged in a front half area and a rear half area between the left support plate (10) and the right support plate (11), the left half area and the right half area of the limiting plate (22) are respectively provided with through holes which are communicated from front ends of the limiting plate (22), the rear ends of the two sets of sliding rods (23) respectively pass through the two sets of through holes and are both connected with a front end of the rear baffle plate (21), and the front ends of the two sets of sliding rods (23) respectively pass through the two sets of pressing springs (24) and are both connected with a rear end of the, the left side and the right side of limiting plate (22) front end all are provided with the mounting groove to equal fixed mounting has ball bearing (28) in two sets of mounting grooves, the left end and the right-hand member of preceding baffle (20) all are provided with the through-hole that link up around, and are two sets of the through-hole is located the dead ahead of two sets of mounting grooves respectively, the rear end of two sets of screwed pipes (25) passes two sets of through-holes respectively and inserts respectively to inside two sets of ball bearing (28) from the front end of preceding baffle (20), the front end of two sets of threaded rods (26) is connected with the left side and the right side of pressure strip (27) rear end respectively, and the rear end of two sets of threaded rods (26) inserts respectively and spiral shell dress to inside the front end of two sets of screwed pipes (25), the top on pressure strip (27) is located the top on.

4. A high precision numerically controlled bending machine according to claim 3, wherein said pressure plate (27) is provided at its front end with a handle (29).

5. A machine according to claim 4, wherein said adjustment motor (19) is a reversible bidirectional servo motor, and the servo motor is controlled by said numerical control device (1).

6. A high-precision numerical control bending machine according to claim 5, wherein the front slide groove (8) and the rear slide groove (12) are both of dovetail structure, the front slide plate and the rear slide plate are both of dovetail structure, and each of the front slide plate (9) and the rear slide plate (13) is provided with a locking bolt (30) for fixing the front slide plate (9) and the rear slide plate (13).