CN210547184U

CN210547184U - Bending press

Info

Publication number: CN210547184U
Application number: CN201921388458.3U
Authority: CN
Inventors: 黄锐华
Original assignee: Dongguan Zhaofa Hardware Glassware Co ltd
Current assignee: Dongguan Zhaofa Hardware Glassware Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-19
Anticipated expiration: 2029-08-23

Abstract

The utility model relates to a panel beating machinery of bending technical field, more specifically say, it relates to a bending press, and its technical scheme main points are: including the workstation of bending and a plurality of support columns that are used for supporting the workstation of bending, the below of workstation of bending is provided with the bearing board, be provided with the slide that is used for the bearing motor between a plurality of support columns, set up mounting panel and fixed plate along vertical direction between the support column, it bears the cam to rotate on the mounting panel, be provided with the locating piece between mounting panel and the fixed plate, the cam is contradicted with the locating piece, the bottom of locating piece is provided with the dead lever along vertical direction, the fixed plate is provided with the upper and lower surface and the slide that run through the fixed plate along vertical direction and is connected, the elastic component has been cup jointed on the dead lever, be provided with. The tightness of the belt can be adjusted, and the working efficiency of the bending press is further improved.

Description

Bending press

Technical Field

The utility model relates to a panel beating machinery technical field of bending, more specifically say, it relates to a bending press.

Background

A bending press is a machine that can bend a sheet material. It is divided into manual press brake, hydraulic press brake and numerical control press brake. The hydraulic bending press is a kind of a press which is commonly used, and the hydraulic bending press can be divided into an up-moving type and a down-moving type according to a movement mode.

In the prior art, most bending machines comprise a bending workbench and a rack, the bending machine workbench is mounted on the rack, a speed reducer and a motor are mounted on the rack respectively, a driven wheel and a driving wheel are arranged between a speed reducer input shaft and a motor output shaft respectively, a belt is sleeved between the driving wheel and the driven wheel, and a chain and a gear set are arranged between the speed reducer and the bending workbench. When the bending press works, the motor rotates, the driving wheel drives the belt to transmit, so that the bending press workbench is driven to bend the plate in a step-by-step transmission mode, but after the bending press works for a certain time, the belt can be gradually loosened, and the working efficiency of the bending press is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to above-mentioned prior art, the utility model aims at providing a bending press, its elasticity that can adjust the belt, and then improves bending press's work efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: a bending press comprises a bending workbench and a plurality of support columns for supporting the bending workbench, wherein a bearing plate is arranged below the bending workbench, a speed reducer is arranged on the bearing plate, a motor is arranged below the speed reducer, an output shaft of the motor and a connecting shaft of the speed reducer are respectively and correspondingly connected with a driving wheel and a driven wheel, a belt is connected between the driving wheel and the driven wheel, a sliding plate for bearing the motor is arranged between the support columns, a mounting plate and a fixing plate are sequentially arranged on one side wall of the support column along the vertical direction, the fixing plate is positioned above the sliding plate and is mutually vertical to the fixing plate, a cam is rotatably supported on the mounting plate, a positioning block is arranged between the mounting plate and the fixing plate, the cam is abutted against the positioning block, and a fixing rod is arranged at the bottom of the positioning block along the vertical direction, the fixed rod penetrates through the upper surface and the lower surface of the fixed plate and is connected with the sliding plate, the fixed rod is sleeved with the elastic piece, and the mounting plate is provided with a locking assembly for locking and unlocking the cam.

By adopting the technical scheme, the position of the sliding plate is adjusted by utilizing the rotation of the cam, so that the tightness degree of the belt is adjusted; when the belt is loosened, the unlocking locking assembly enables the cam to rotate, the cam is abutted to the positioning block and exerts a force on the positioning block to enable the positioning block to move downwards, and then the sliding plate slides downwards to adjust the position of the motor, so that the belt is tensioned, and the working efficiency of the device is improved.

Preferably, the locking assembly comprises a pair of worm wheel and worm which are meshed with each other, the worm wheel and the cam are coaxially arranged, and the worm penetrates through the supporting column in the horizontal direction and extends out of the supporting column.

By adopting the technical scheme, the worm wheel and the worm have the self-locking function and can lock and unlock the cam, so that the rotation of the cam is controlled.

Preferably, one end of the worm is fixedly provided with a handle.

Through adopting above-mentioned technical scheme, the setting up of handle makes things convenient for the staff to rotate the worm.

Preferably, the handle is connected with a bolt, the handle is provided with first limiting holes penetrating through the surfaces of two opposite sides of the handle, the side wall of the bearing plate is provided with second limiting holes, and the bolt penetrates through the first limiting holes and is in plug-in fit with the second limiting holes.

By adopting the technical scheme, when the cam rotates to a required position and needs to be fixed, the bolt penetrates through the first limiting hole and is in plug-in fit with the second limiting hole to further fix and lock the worm, and then the cam is more stably fixed at the position.

Preferably, the end of the bolt inserted into the second limiting hole and the bottom of the second limiting hole are provided with magnet blocks which attract each other.

Through adopting above-mentioned technical scheme, the magnet piece set up the stability between reinforcing bolt and the spacing hole of second to make the bolt difficult from the spacing hole of second not hard up break away from.

Preferably, the both sides wall that the slide is relative all is provided with the stopper, be provided with the confession on the support column the slide rail that the stopper activity slided, the slide rail certainly the fixed plate is followed the length direction setting of support column.

Through adopting above-mentioned technical scheme, the setting of stopper has played limiting displacement to the slide, has reduced the slide and has walked the position at the in-process skew that slides.

Preferably, the elastic member includes a spring, two ends of the spring are respectively connected to the positioning block and the fixing plate, and when the spring is in a natural state, the sliding plate abuts against the fixing plate.

Through adopting above-mentioned technical scheme, the spring makes the locating piece can not down drop owing to have elastic restoring force to make the slide can not slide downwards.

Preferably, the side wall of the support column is provided with scale marks along the length direction of the support column.

Through adopting above-mentioned technical scheme, the setting up of scale mark makes the position that the staff adjusted the slide more accurate.

To sum up, the utility model discloses following beneficial effect has: the position of the sliding plate is adjusted by the rotation of the cam, so that the tightness degree of the belt is adjusted; when the belt is relaxed, the bolt is pulled out to unlock the handle, the worm is rotated to rotate the cam, the cam is abutted to the positioning block, the positioning block is moved downwards under the action of force applied to the positioning block, and then the sliding plate is moved downwards to adjust the position of the motor, so that the belt is tensioned, and the working efficiency of the device is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of a part of the structure in the embodiment of the present invention;

fig. 3 is a schematic structural view of a part of a support column in the embodiment of the present invention after being cut open;

fig. 4 is a schematic view of the assembly relationship between the locking assembly and the supporting post according to the embodiment of the present invention.

Reference numerals: 1. bending the workbench; 2. a support pillar; 3. a belt; 4. a driven wheel; 5. a cross bar; 6. a driving wheel; 7. a slide plate; 8. a speed reducer; 9. a support plate; 10. a motor; 11. scale lines; 12. a spring; 13. fixing the rod; 14. a fixing plate; 15. a slide rail; 16. a limiting block; 17. a fixed cover; 18. a bolt; 19. a handle; 20. a first limit hole; 21. a second limiting hole; 22. a worm; 23. mounting a plate; 24. a cam; 25. positioning blocks; 26. a worm gear; 27. and a magnet block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a press brake, refers to fig. 1, includes press bending workstation 1 and a plurality of support columns 2 that are vertical direction setting, and in this embodiment, the quantity of support columns 2 is four. The bending workbench 1 is installed at the tops of the four support columns 2, a cuboid-shaped cross rod 5 is welded between every two adjacent support columns 2 along the horizontal direction, and the cross rod 5 is located at the free ends of the support columns 2. The lower part of the bending workbench 1 is provided with a rectangular plate-shaped bearing plate 9, two opposite side walls of the bearing plate 9 are welded with a cross rod 5, meanwhile, the bearing plate 9 is provided with a speed reducer 8, the lower part of the speed reducer 8 is provided with a motor 10, an output shaft of the motor 10 and a connecting shaft of the speed reducer 8 are respectively and correspondingly fixedly provided with a driving wheel 6 and a driven wheel 4, and a belt 3 is sleeved between the driving wheel 6 and the driven wheel 4.

Referring to fig. 2, a sliding plate 7 for supporting the motor 10 is installed between the four support columns 2, and a rectangular plate-shaped mounting plate 23 and a rectangular plate-shaped fixing plate 14 are sequentially welded to one side wall of each support column 2 along the vertical direction. The mounting plate 23 is located below the cross bar 5, the fixing plate 14 is located above the sliding plate 7, and the mounting plate 23 and the fixing plate 14 are perpendicular to each other. Meanwhile, a cam 24 is rotatably supported on one side surface of the mounting plate 23 along the horizontal direction, a positioning block 25 is mounted between the mounting plate 23 and the fixing plate 14, the cam 24 abuts against the positioning block 25, a cylindrical fixing rod 13 is welded at the bottom of the positioning block 25 along the vertical direction, and the fixing rod 13 penetrates through the fixing plate 14 and is welded with the upper surface of the sliding plate 7. In addition, in order to prevent the positioning block 25 from falling off, an elastic member is sleeved on the fixing rod 13, in this embodiment, the elastic member is preferably a spring 12, two ends of the spring 12 are respectively fixedly connected to the lower surface of the positioning block 25 and the upper surface of the fixing plate 14, when the spring 12 is in a natural state, the upper surface of the sliding plate 7 abuts against the upper surface of the fixing plate 14, and when the cam 24 moves the positioning block 25 downwards, the elastic restoring force of the spring 12 is used as a supporting force for supporting the positioning block 25, so that the positioning block 25 is not easily fallen off.

Referring to fig. 4, in particular, the mounting plate 23 is mounted with a locking assembly for locking and unlocking the cam 24. The locking assembly comprises a pair of intermeshing worm gears 26 and worm screws 22, the worm gears 26 being coaxially received in the cam 24, and the worm screws 22 extending through the support column 2 and out of the support column 2. The end of the worm 22 remote from the worm wheel 26 is fixedly welded with a handle 19 for facilitating the rotation of the worm 22 by the operator. The end of the handle 19 remote from the worm 22 is provided with a cylindrical spigot 18. One surface of the handle 19 is provided with a first circular limiting hole 20 penetrating through the two opposite side surfaces of the handle 19, and one side wall of the support column 2 far away from the cross rod 5 is provided with a second circular limiting hole 21. In order to enhance the locking and fixing capacity of the worm 22, the bolt 18 penetrates through the first limiting hole 20 and is in plug fit with the second limiting hole 21. Meanwhile, in order to facilitate the worker to pull out the plug pin 18, one end of the plug pin 18 is fixedly provided with a cylindrical fixing cover 17, and when the lower surface of the fixing cover 17 abuts against one surface of the handle 19, it means that the plug pin 18 is completely inserted into the second limiting hole 21 for fixing. In addition, the end of the bolt 18 inserted into the second limiting hole 21 and the bottom of the second limiting hole 21 are both bonded with magnet blocks 27 which attract each other, so that the bolt 18 is not easy to loosen and separate from the second limiting hole 21.

Referring to fig. 2 and 3, further, both opposite side walls of the fixing plate 14 are welded with limiting blocks 16, a sliding rail 15 is installed on one side wall of the supporting column 2 close to the fixing plate 14 along the length direction of the supporting column 2 from the fixing plate 14, and the limiting blocks 16 movably slide on the sliding rail 15 to limit the fixing plate 14, so that the fixing plate 14 is not prone to shifting in the downward movement process. When the sliding plate 7 moves downwards, the side wall of the supporting column 2 is marked with scale lines 11 along the length direction of the supporting column 2 for more accurate moving position.

The overall working process is as follows: when the belt 3 is loosened, the bolt 18 is pulled out to unlock the handle 19, the worm 22 is rotated to rotate the cam 24, the cam 24 abuts against the positioning block 25 and exerts a force on the positioning block 25 to move the positioning block 25 downwards, and the sliding plate 7 slides downwards to adjust the position of the motor 10, so that the belt 3 is tensioned, and the working efficiency of the device is improved.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a bending press, is used for supporting support column (2) of bending workstation (1) including bending workstation (1) and a plurality of roots, the below of bending workstation (1) is provided with bearing board (9), be provided with reduction gear (8) on bearing board (9), the below of reduction gear (8) is provided with motor (10), the output shaft of motor (10) with the connecting axle of reduction gear (8) corresponds respectively and is connected with action wheel (6) and follows driving wheel (4), be connected with belt (3) between action wheel (6) and follow driving wheel (4), its characterized in that: a sliding plate (7) for supporting the motor (10) is arranged between the support columns (2), a mounting plate (23) and a fixing plate (14) are sequentially arranged on one side wall of the supporting column (2) along the vertical direction, the fixing plate (14) is positioned above the sliding plate (7), the mounting plate (23) is perpendicular to the fixing plate (14), a cam (24) is rotatably carried on the mounting plate (23), a positioning block (25) is arranged between the mounting plate (23) and the fixing plate (14), the cam (24) is abutted against the positioning block (25), the bottom of the positioning block (25) is provided with a fixing rod (13) along the vertical direction, the fixing rod (13) penetrates through the upper surface and the lower surface of the fixing plate (14) and is connected with the sliding plate (7), the fixing rod (13) is sleeved with an elastic piece, and the mounting plate (23) is provided with a locking assembly for locking and unlocking the cam (24).

2. A press brake according to claim 1, wherein: the locking assembly comprises a pair of worm wheels (26) and a worm (22) which are meshed with each other, the worm wheels (26) and the cams (24) are coaxially arranged, and the worm (22) penetrates through the supporting column (2) in the horizontal direction and extends out of the supporting column (2).

3. A press brake according to claim 2, wherein: one end of the worm (22) is fixedly provided with a handle (19).

4. A press brake according to claim 3, wherein: the handle (19) is connected with a bolt (18), the handle (19) is provided with a first limiting hole (20) penetrating through the surfaces of two opposite sides of the handle (19), the side wall of the bearing plate (9) is provided with a second limiting hole (21), and the bolt (18) penetrates through the first limiting hole (20) and is in plug-in fit with the second limiting hole (21).

5. A press brake according to claim 4, wherein: one end of the bolt (18) inserted into the second limiting hole (21) and the bottom of the second limiting hole (21) are provided with magnet blocks (27) which attract each other.

6. A press brake according to claim 1, wherein: both sides wall that slide (7) are relative all is provided with stopper (16), be provided with the confession on support column (2) slide rail (15) that stopper (16) activity slided, slide rail (15) certainly fixed plate (14) are followed the length direction setting of support column (2).

7. A press brake according to claim 1, wherein: the elastic part comprises a spring (12), and two ends of the spring (12) are respectively connected to the positioning block (25) and the fixing plate (14).

8. A press brake according to claim 1, wherein: the side wall of the support column (2) is provided with scale marks (11) along the length direction of the support column (2).