CN218903424U - Protection device of bending machine - Google Patents

Abstract

The utility model relates to the technical field of bending machines and discloses a protection device of a bending machine, which comprises a workbench, wherein the top of the workbench is fixedly connected with an organism, the upper surface of the workbench is provided with a lower die holder, the top of the lower die holder is provided with a bending die, the top of the organism is provided with a hydraulic cylinder, and one end of the hydraulic cylinder is provided with a hydraulic rod. The utility model has the following advantages and effects: through being connected the fixed block of spring and punch holder one side to fix the other end of spring through the connecting block, when the hydraulic stem drove connecting seat and punch holder and go up and down repeatedly, through the elastic expansion effect of spring, can provide elasticity auxiliary connection to the outside of punch holder, thereby can make it have traction about punch holder and cope match-die, thereby prevent that punch holder and cope match-die mould from taking place to rock by a wide margin and leading to the condition emergence of operation trouble, and then reduce the risk of staff when participating in bending operation.

Description

Protection device of bending machine

Technical Field

The utility model relates to the technical field of bending machines, in particular to a protection device of a bending machine.

Background

The bending machine is a machine capable of bending a thin plate, and structurally mainly comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and consists of a base and a pressing plate, and the bending machine can change a bending machine die so as to meet the requirements of various workpieces.

In prior art, according to chinese patent publication No. CN207103670U, there is provided a bender protection device, including bender main part, handle, guard bar and lower mould, the inside of bender main part sets up the workstation, and the upper surface right side and the fixed spout fixing bolt connection of workstation, handle and guard gate self-tapping screw connection, the guard bar sets up in the top of fixed spout, and the inside of fixed spout is provided with the spout, fixed spout has the fixed bolt hole through drill bit processing, and the top of fixed spout is provided with the spout upper shed. This bender protection device is provided with the dead lever, plays the effect of fixed guard gate, and the guard lever can prevent the unexpected whereabouts of last mould, causes the harm to operating personnel's personal safety, sets up fixed spout, plays and makes the guard lever carry out gliding effect.

The above patent has fine unexpected whereabouts that can prevent the mould of going up, causes harm effect to operating personnel's personal safety, but its protection device is not good to the supplementary connection protection measure of last mould, still makes the mould of going up have the condition that descends the trouble, and is poor to the supplementary supporting effect of work piece, easily leads to bending operation to cause the injury to the staff, consequently needs to improve the problem that exists at present.

Disclosure of Invention

The utility model aims to provide a protection device of a bending machine, which has the effects of good auxiliary connection traction effect of a folding mechanism, convenience in replacing auxiliary connection components and reduction of operation risks of workers.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a protection device of bender, includes the workstation, the top fixedly connected with organism of workstation, the upper surface of workstation is provided with the die holder, the top of die holder is provided with bending die, the top of organism is provided with the pneumatic cylinder, the one end of pneumatic cylinder is provided with the hydraulic stem, the one end of hydraulic stem is provided with the connecting seat, the bottom fixedly connected with punch holder of connecting seat, the surface fixedly connected with fixed block of punch holder, a side of fixed block is provided with the spring, the one end fixedly connected with connecting block of spring, the inside joint of punch holder has the last compression die.

Through adopting above-mentioned technical scheme, will bend the mould and fix the top at the die holder when using, when carrying out the operation of bending, need start the pneumatic cylinder and make its drive hydraulic stem drive subassembly such as connecting seat and punch holder move down, make the punch holder carry out the roof pressure to the work piece of bending the mould upper surface, because punch holder and punch holder go up and down the condition that probably causes the punch holder to be unstable repeatedly, consequently, be connected the fixed block with punch holder one side through the spring to fix the other end of spring through the connecting block, when the hydraulic stem drive connecting seat goes up and down repeatedly with the punch holder, through the elastic expansion effect of spring, can provide elasticity auxiliary connection to the outside of punch holder, thereby can make it have upper and lower traction to punch holder and punch holder, thereby prevent punch holder and punch holder to take place to rock by a wide margin and lead to the condition of operation trouble to take place, and then reduce the risk when the staff takes part in the operation of bending.

The utility model is further provided with: the number of the fixing blocks and the number of the springs are two, and one end of the connecting block is fixedly connected with a fixing plate.

Through adopting above-mentioned technical scheme, pull the both ends of punch holder simultaneously through two springs to can make it more balanced stable to the traction force of punch holder.

The utility model is further provided with: the outer surface of the fixed plate is fixedly connected with a side plate, and the outer surface of the side plate is in threaded connection with a bolt.

Through adopting above-mentioned technical scheme, run through the curb plate through the bolt and fix it at the inner wall of organism to can make it better to the fixed effect of fixed plate and connecting block, and accessible slackening bolt dismantles the fixed plate when needing, and then be convenient for change losing elastic spring, so that better for bending the mechanism provides auxiliary connection effect.

The utility model is further provided with: a fixed pressing plate and a movable pressing plate are respectively arranged on one side surface of the bending die, bases are fixedly connected to the bottoms of the movable pressing plate and the movable pressing plate, and guide rails are arranged on the inner wall of the base.

Through adopting above-mentioned technical scheme, through the setting of fixed clamp plate and movable clamp plate, the staff is when the work piece is placed in the upper surface of bending die, and the base of accessible promotion movable clamp plate bottom makes its outside of guide rail remove, makes the distance between movable clamp plate and the fixed clamp plate just can carry out slight roof pressure to the both sides of work piece, from this alright make the staff need not to keep holding the work piece and carry out the operation of bending, prevent that the upward pressing die from causing the harm to the staff.

The utility model is further provided with: a connecting rod is fixedly connected to one side face of the base, and a holding rod is fixedly connected to one end of the connecting rod.

Through adopting above-mentioned technical scheme, be connected through holding rod and connecting rod to can make the staff grasp the holding rod and can promote the base and make its position distance to movable clamp plate adjust, thereby can make the staff safer convenient when the operation.

The utility model is further provided with: the outer surface of the base is connected with a stud in a threaded manner, and the outer surface of the guide rail is provided with a screw hole.

Through adopting above-mentioned technical scheme, run through the base of fixed clamp plate bottom through the double-screw bolt and fix its outside at the guide rail to can adjust the position of fixed clamp plate through the loosening double-screw bolt when needs, be convenient for provide a plurality of fixed hole sites of location for fixed clamp plate through a plurality of screw.

The beneficial effects of the utility model are as follows:

1. according to the bending die, the workbench, the machine body, the lower die holder, the bending die, the hydraulic cylinder, the hydraulic rod, the connecting seat, the upper clamping plate, the fixing block, the spring, the connecting block and the upper pressing die are matched, so that the bending die is fixed at the top of the lower die holder in use, the hydraulic cylinder is required to be started to drive the hydraulic rod to drive components such as the connecting seat and the upper clamping plate to move downwards in bending operation, the upper pressing die is used for pressing a workpiece on the upper surface of the bending die, the upper clamping plate and the upper pressing die are repeatedly lifted to possibly cause unstable conditions of the upper pressing die, the spring is connected with the fixing block on one side of the upper clamping plate, the other end of the spring is fixed through the connecting block, and when the hydraulic rod drives the connecting seat and the upper clamping plate to repeatedly lift, elastic auxiliary connection is provided for the outer part of the upper clamping plate through the elastic telescopic action of the spring, so that the upper clamping plate and the upper pressing die are required to be driven to have an upper and lower traction action, and the situation that the upper clamping plate and the upper pressing die are greatly rocked to cause operation faults is prevented, and the risk of workers in bending operation is reduced.

2. According to the bending die, the side plates, the bolts, the fixed pressing plates, the movable pressing plates, the base and the guide rail are matched, so that the bending die is fixed on the inner wall of the die body through the bolts when the bending die is used, the fixing effect of the bending die on the fixing plate and the connecting block is better, the fixing plate can be detached through the loose bolts when the bending die is needed, the spring losing elasticity is replaced conveniently, the auxiliary connection effect is better provided for the bending mechanism, when a workpiece is placed on the upper surface of the bending die, a worker can move the base at the bottom of the movable pressing plate outside the guide rail through pushing the base at the bottom of the movable pressing plate, and the distance between the movable pressing plate and the fixed pressing plate can slightly press the two sides of the workpiece, so that the worker does not need to continuously hold the workpiece to carry out bending operation, and damage to the worker by the upper pressing die is prevented.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the upper die of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 1 at B according to the present utility model.

In the figure, 1, a workbench; 2. a body; 3. a lower die holder; 4. bending a die; 5. a hydraulic cylinder; 6. a hydraulic rod; 7. a connecting seat; 8. an upper clamping plate; 9. a fixed block; 10. a spring; 11. a connecting block; 12. a die is pressed; 13. a fixing plate; 14. a side plate; 15. a bolt; 16. a fixed pressing plate; 17. a movable pressing plate; 18. a base; 19. a guide rail; 20. a connecting rod; 21. a grip; 22. a stud; 23. screw holes.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1-4, a protection device of a bending machine comprises a workbench 1, a top fixedly connected with a machine body 2 of the workbench 1, a lower die holder 3 arranged on the upper surface of the workbench 1, a bending die 4 arranged on the top of the lower die holder 3, a hydraulic cylinder 5 arranged on the top of the machine body 2, a hydraulic rod 6 arranged at one end of the hydraulic cylinder 5, a connecting seat 7 arranged at one end of the hydraulic rod 6, an upper clamping plate 8 fixedly connected with the bottom of the connecting seat 7, a fixing block 9 fixedly connected with the outer surface of the upper clamping plate 8, a spring 10 arranged on one side of the fixing block 9, a connecting block 11 fixedly connected with the inner part of the upper clamping plate 8 and a pressing die 12 clamped inside the upper clamping plate 8, wherein the bending die 4 is fixed on the top of the lower die holder 3 in use, when bending operation is performed, the hydraulic cylinder 5 needs to be started to drive the hydraulic rod 6 to drive components such as the connecting seat 7, the upper clamping plate 8 and the like to move downwards, the upper die 12 is pressed against the workpiece on the upper surface of the bending die 4, and as the upper clamping plate 8 and the upper die 12 are repeatedly lifted and lowered to possibly cause the unstable condition of the upper die 12, the other end of the spring 10 is fixed through the connecting block 11 by connecting the spring 10 with the fixed block 9 on one side of the upper clamping plate 8, when the hydraulic rod 6 drives the connecting seat 7 to repeatedly lift and lower the upper clamping plate 8, the elastic auxiliary connection can be provided for the outer part of the upper clamping plate 8 through the elastic stretching action of the spring 10, so that the upper clamping plate 8 and the upper die 12 can be provided with the up-down traction action, the upper clamping plate 8 and the upper die 12 are prevented from being greatly rocked to cause the occurrence of operation faults, the risk of staff participating in bending operation is further reduced, the number of the fixed block 9 and the spring 10 is two, one end of the connecting block 11 is fixedly connected with the fixed plate 13, two springs 10 are used for simultaneously pulling the two ends of the upper clamping plate 8, so that the traction force of the upper clamping plate 8 is more balanced and stable, the outer surface of the fixed plate 13 is fixedly connected with the side plate 14, the outer surface of the side plate 14 is in threaded connection with the bolt 15, the side plate 14 is fixed on the inner wall of the machine body 2 through penetrating the bolt 15, the fixing effect of the fixed plate 13 and the connecting block 11 is better, the fixed plate 13 can be detached through the loosening bolt 15 when needed, the spring 10 losing elasticity is replaced conveniently, the auxiliary connection effect is better provided for a bending mechanism, one side surface of the bending die 4 is respectively provided with the fixed clamping plate 16 and the movable clamping plate 17, the bottoms of the movable clamping plate 17 and the movable clamping plate 17 are fixedly connected with the base 18, the inner wall of the base 18 is provided with the guide rail 19, through the arrangement of the fixed pressing plate 16 and the movable pressing plate 17, when a workpiece is placed on the upper surface of the bending die 4, a worker can push the base 18 at the bottom of the movable pressing plate 17 to move outside the guide rail 19, so that the distance between the movable pressing plate 17 and the fixed pressing plate 16 can just slightly press the two sides of the workpiece, the worker can avoid continuously holding the workpiece for bending operation, the damage to the worker caused by the upper pressing die 12 is prevented, one side surface of the base 18 is fixedly connected with the connecting rod 20, one end of the connecting rod 20 is fixedly connected with the holding rod 21, the holding rod 21 is connected with the connecting rod 20, the worker can push the base 18 to adjust the position distance of the movable pressing plate 17 by holding the holding rod 21, the worker can operate more safely and conveniently, the stud 22 is connected with the outer surface of the base 18 in a threaded manner, screw holes 23 are formed in the outer surface of the guide rail 19, and the screw bolts 22 penetrate through the base 18 at the bottom of the fixed pressing plate 16 to fix the base on the outer portion of the guide rail 19, so that the position of the fixed pressing plate 16 can be adjusted by loosening the screw bolts 22 when needed, and a plurality of positioning and fixing hole positions are conveniently provided for the fixed pressing plate 16 through the screw holes 23.

In the utility model, through the matching arrangement among the workbench 1, the machine body 2, the lower die holder 3, the bending die 4, the hydraulic cylinder 5, the connecting seat 7, the upper clamping plate 8, the fixing block 9, the spring 10, the connecting block 11 and the upper pressing die 12, the bending die 4 can be fixed at the top of the lower die holder 3 when the device is used, when bending operation is carried out, the hydraulic cylinder 5 needs to be started to drive the hydraulic cylinder 6 to drive the components such as the connecting seat 7, the upper clamping plate 8 and the like to move downwards, the upper pressing die 12 can push the workpiece on the upper surface of the bending die 4, the upper clamping plate 8 and the upper pressing die 12 can possibly cause the unstable condition of the upper pressing die 12 due to repeated lifting and falling of the upper clamping plate 8 and the upper clamping die 12, the other end of the spring 10 is fixed through the connecting block 9 on one side of the spring 10 and the connecting block 11, when the hydraulic rod 6 drives the connecting seat 7 and the upper clamping plate 8 to repeatedly lift, the elastic auxiliary connection can be provided for the outer part of the upper clamping plate 8 through the elastic expansion action of the spring 10, so that the upper clamping plate 8 and the upper clamping plate 12 can be provided with the up-down traction action, the condition that the upper clamping plate 8 and the upper clamping plate 12 shake greatly to cause operation faults is prevented, the risk of staff when participating in bending operation is further reduced, the device can be fixed on the inner wall of the machine body 2 through the bolt 15 through the side plate 14 through the matching arrangement of the side plate 14, the bolt 15, the movable clamping plate 17, the base 18 and the guide rail 19, the fixing effect of the device on the fixed plate 13 and the connecting block 11 is better, the fixed plate 13 can be detached through the loosening bolt 15 when needed, and the spring 10 losing elasticity can be replaced conveniently, so as to better provide auxiliary connection effect for the bending mechanism, through the setting of fixed clamp plate 16 and movable clamp plate 17, the staff is when the work piece is placed in the upper surface of bending mould 4, and the base 18 of accessible promotion movable clamp plate 17 bottom makes it carry out the removal in the outside of guide rail 19, makes the distance between movable clamp plate 17 and the fixed clamp plate 16 just can carry out slight roof pressure to the both sides of work piece, from this alright make the staff need not to keep holding the work piece and carry out bending operation, prevent that upward press mould 12 from causing harm to the staff.

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

Claims (6)

1. The utility model provides a protection device of bender, includes workstation (1), its characterized in that: the utility model discloses a machine tool comprises a workbench (1), a machine body (2) fixedly connected with top, a die holder (3) are arranged on the upper surface of the workbench (1), bending dies (4) are arranged on the top of the die holder (3), a hydraulic cylinder (5) is arranged on the top of the machine body (2), a hydraulic rod (6) is arranged at one end of the hydraulic cylinder (5), a connecting seat (7) is arranged at one end of the hydraulic rod (6), an upper clamping plate (8) is fixedly connected with the bottom of the connecting seat (7), a fixing block (9) is fixedly connected with the outer surface of the upper clamping plate (8), a spring (10) is arranged on one side surface of the fixing block (9), a connecting block (11) is fixedly connected with one end of the spring (10), and an upper pressing die (12) is clamped inside the upper clamping plate (8).

2. A protection device for a bending machine according to claim 1, wherein: the number of the fixing blocks (9) and the number of the springs (10) are two, and one end of the connecting block (11) is fixedly connected with a fixing plate (13).

3. A protection device for a bending machine according to claim 2, wherein: the outer surface of the fixed plate (13) is fixedly connected with a side plate (14), and the outer surface of the side plate (14) is in threaded connection with a bolt (15).

4. A protection device for a bending machine according to claim 1, wherein: a fixed pressing plate (16) and a movable pressing plate (17) are respectively arranged on one side surface of the bending die (4), bases (18) are fixedly connected to the bottoms of the movable pressing plate (17) and the movable pressing plate (17), and guide rails (19) are arranged on the inner wall of the bases (18).

5. A protection device for a bending machine according to claim 4, wherein: a connecting rod (20) is fixedly connected to one side face of the base (18), and a holding rod (21) is fixedly connected to one end of the connecting rod (20).

6. A protection device for a bending machine according to claim 4, wherein: the outer surface of the base (18) is connected with a stud (22) in a threaded manner, and the outer surface of the guide rail (19) is provided with a screw hole (23).

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