CN117619954A - Bending angle-adjustable hardware bending machine and application method thereof - Google Patents

Abstract

The application discloses a bending angle-adjustable hardware bending machine and a using method thereof, and belongs to the technical field of hardware bending machines. Including actuating mechanism and guide rail, actuating mechanism is including support, support and guide rail fixed mounting, when the cutter of bending presses the plate work piece, two L shape baffle holds the plate work piece and rotate the direction along the rail of bending, and the spring can deform, make the plate work piece bend and handle, make worm wheel and bull stick rotate through rotating the worm, through a plurality of cam pieces slow rotation, make the rail of bending follow adjustment tank vertical displacement, adjustable bend the interval of rail and cutter of bending, the angle that the cutter of bending of messenger's fixed stroke forces the plate work piece to bend changes, and the margin of bending of plate work piece is spacing handled by the limiting plate, can realize then that the plate work piece is bent out the variable camber, and can realize batch production's purpose, adjust high efficiency, simple to operate, machining efficiency improves greatly.

Description

Bending angle-adjustable hardware bending machine and application method thereof

Technical Field

The application relates to the technical field of hardware bending machines, in particular to a hardware bending machine with an adjustable bending angle and a using method thereof.

Background

The bending machine is a machine capable of bending a sheet, the bending machine drives an upper die to move downwards through a sliding block and is closed with a lower die to realize bending treatment of the sheet, at present, the bending angle of the sheet enables the purpose of batch processing production to be realized by changing the upper die and the lower die of different types, so that when the sheet with different bending degrees is processed, the upper die and the lower die are required to be frequently changed, and the production efficiency is low;

according to the bending mechanism for the metal plate, disclosed in the document with the publication number of CN216911638U, the clamping plate is driven to move in the clamping groove by the sliding plate, and the positioning of the metal plate is realized by matching with the positioning column and the square hole, so that the labor intensity of workers can be greatly reduced, and the bending precision of the metal plate is improved;

in the prior art scheme, although the plate bending with high precision can be realized through the structure of the prior art, the following defects still exist: when bending sheet materials, the bending machine of the reference is not provided with a bending edge spacing mechanism, so that the bent edge spacing is different, the bending degree cannot be adjusted, and the bending sheet materials with different bending degrees are required to be produced by changing an upper die and a lower die, so that the production efficiency of the sheet materials with different bending degrees is reduced;

in view of the above related art, the inventor considers that the distance between the bending rail and the bending tool is adjusted, so that the bending tool with a fixed stroke forces the bending angle of the plate workpiece to change, and the bending edge of the plate workpiece is limited by the limiting plate, so that the plate workpiece can be bent to have variable bending degree, the purpose of mass production can be achieved, the adjustment is efficient, the installation is convenient, and the processing efficiency is greatly improved.

Disclosure of Invention

1. Technical problem to be solved

The utility model provides an aim at provides an angle adjustable gold utensil bender and application method of bending has solved when bending the sheet metal in above-mentioned background art, because of not being provided with the limit mechanism of bending margin, lead to being bent the margin different, and the camber of bending can't realize adjusting, need realize through changing upper mould and lower mould, make the technical problem that different camber sheet metal production efficiency of bending reduces, realized through adjusting the interval of bending rail and bending cutter, the angle that the bending cutter of messenger fixed stroke forces the plate work piece to bend changes, and the margin of bending of plate work piece is spacing handled by the limiting plate, can realize then that the plate work piece is bent out the variable camber, and can realize batch production's purpose, high-efficient regulation, and simple to operate, machining efficiency improves technical effect greatly.

2. Technical proposal

The technical scheme of this application provides an angle adjustable gold utensil bender of bending contains actuating mechanism and guide rail, actuating mechanism is including the support, support and guide rail fixed mounting, fixed mounting has the cylinder on the support, the piston rod transmission of cylinder is connected with the diaphragm, the fixed a plurality of connecting seats that are equipped with in diaphragm both sides department, the connecting seat has the cutter of bending through bolt threaded connection, slidable mounting has the track of bending in the guide rail, install the guiding mechanism of bending on the track of bending, the cutter of bending is connected with the guiding mechanism transmission of bending, install bending adjustment mechanism and bending margin stop gear on the guide rail, bending adjustment mechanism and the track transmission of bending are connected.

Through adopting above-mentioned technical scheme, when the piston rod of cylinder stretches out and makes the diaphragm along support vertical displacement, make the cutter vertical displacement of bending through a plurality of connecting seats, the plate work piece is placed in the upper portion department of bending the rail, and it is spacing to contradict the plate work piece through bending margin stop gear, when bending the cutter and bending the rail grafting cooperation and being connected, the accessible is bent guiding mechanism and is bent the guide and handle the plate work piece of being handled by bending, and the rail is bent along the guide rail vertical displacement through bending the transmission of bending degree adjustment mechanism, the interval of adjustable bending rail and bending cutter, realize then that the plate work piece is adjusted by the camber of bending, and can realize bending out the plate work piece of variable camber and carry out the batch production purpose.

The worm is rotated excessively to enable the worm wheel and the rotating rod to rotate and the cam blocks to rotate slowly, so that the bending rail is vertically displaced along the adjusting groove, the distance between the bending rail and the bending cutter can be adjusted, and the bending cutter driving the fixed stroke forces the angle of the plate workpiece to be bent to change.

Optionally, convex sliding grooves are formed in the inner walls of the two sides of the support, and the inner walls of the support are connected with the transverse plates in a sliding mode.

Through adopting above-mentioned technical scheme, the both ends slidable mounting of diaphragm is in the convex spout, makes the vertical displacement that the cutter of bending can be stable.

Optionally, convex grooves and a plurality of screw holes are formed in the surfaces of two sides of the bending cutter, and the connecting seat is slidably mounted along the convex grooves.

Through adopting above-mentioned technical scheme, the connecting seat is along the convex groove slidable mounting of cutter of bending to make connecting seat and cutter fixed connection of bending through the bolt.

Optionally, the adjustment tank has been seted up on the guide rail, the sliding mounting of adjustment tank bends the rail, the second L-shaped groove has all been seted up to the both sides inner wall of adjustment tank, first L-shaped groove has been seted up on one side surface of guide rail, the limit mechanism of limit of bending is connected in the sliding of first L-shaped groove, a plurality of change grooves have been seted up to adjustment tank inner bottom surface, change inslot wall rotation connection bending degree adjustment mechanism.

Through adopting above-mentioned technical scheme, bend rail slidable mounting in the adjustment tank, bend the rail adjustable with the interval of cutter of bending, bend limit mechanism and slide along first L inslot, then the plate work piece that the messenger was bent and is handled carries out spacing conflict and handle.

Optionally, the V-arrangement groove has been seted up on the rail of bending, the V-arrangement groove is connected with the cutter grafting cooperation of bending, a plurality of rectangular channels and cross grooves have all been seted up on the both sides surface of the rail of bending, sliding connection has L shape strip in the cross groove, L shape strip slidable mounting is in the second L inslot, L shape strip passes through a plurality of bolts and guide rail threaded connection, the guide mechanism of bending is connected in the rotation of V-arrangement groove both ends inner wall.

Through adopting above-mentioned technical scheme, bending cutter and V-arrangement groove grafting cooperation are connected, and bending cutter makes plate work piece processing of bending, and in bending cutter passed through L shape strip slidable mounting guide rail, but bending cutter along L shape strip vertical displacement.

Optionally, the guiding mechanism of bending is including two L shape baffle, L shape baffle is connected with the cutter transmission of bending, L shape baffle bottom surface fixedly connected with changes the piece, the both ends department of V-arrangement groove is located to the piece, change piece fixedly connected with pivot, the pivot rotates with the tip of bending the rail to be connected, the equal fixedly connected with reinforcing plate of L shape baffle surface, the inner wall of L shape baffle is all fixed and is equipped with a plurality of connecting blocks, the equal fixedly connected with spring of connecting block, the bottom fixing of spring locates rectangle inslot bottom surface department.

Through adopting above-mentioned technical scheme, the plate work piece is placed in two L shape baffle upper surfaces, and when the cutter of bending pressed the plate work piece, two L shape baffle rotated along bending rail through the pivot on the commentaries on classics piece and is led, and the spring can deform to make the plate work piece bend the processing.

Optionally, bending degree adjustment mechanism is including the worm, the worm rotates and is connected with the rectangle piece, rectangle piece and guide rail fixed connection, the worm meshing is connected with the worm wheel, the worm wheel is fixed to be equipped with the bull stick, the bull stick is rotated with the guide rail and is connected, the bull stick is fixed to be equipped with a plurality of cam pieces, the cam piece rotates and locates the turning inslot, the laminating of cam piece surface is connected the rail bottom surface of bending.

Through adopting above-mentioned technical scheme, rotate worm and make worm wheel and bull stick rotate, slowly rotate through a plurality of cam pieces, can make the rail of bending follow adjustment tank vertical displacement, then adjustable the rail of bending and the interval of cutter of bending, make the cutter of bending of fixed stroke, can force two L shape baffle reverse pivoted angle to change, and through the auto-lock nature of worm wheel and worm, can make the rail of bending carry out automatic spacing processing after the displacement.

Optionally, the limit mechanism of edge spacing of bending is including L shape slide, L shape slide slidable mounting is in first L inslot, L shape slide upper end is fixed with a plurality of limiting plates, L shape slide threaded connection has the screw rod, the screw rod rotates with the guide rail to be connected.

Through adopting above-mentioned technical scheme, rotate the screw rod, make L shape slide along first L shape groove slip, make the limiting plate remove to the plate work piece department of treating of waiting to bend then, accessible limiting plate withstands the plate work piece.

The application method of the hardware bending machine with the adjustable bending angle comprises the following steps:

s1, fixedly mounting a bracket and a guide rail on a bending machine frame, fixedly mounting a cylinder on the bracket, extending a piston rod of the cylinder to enable a transverse plate to slide along a convex chute of the bracket, vertically moving a bending cutter connected through a connecting seat to a fixed stroke, enabling an L-shaped sliding seat to slide along a first L-shaped groove by rotating a screw rod, enabling a limiting plate to move to a plate workpiece to be subjected to bending treatment, enabling a limiting plate to resist the plate workpiece, enabling a bending rail to be slidably mounted along a second L-shaped groove by two L-shaped strips, enabling the L-shaped strips to be fixedly connected with the guide rail by a plurality of bolts, enabling two L-shaped guide plates arranged on the bending rail to reversely rotate when the bottom end of the bending cutter forces the two L-shaped guide plates to reversely rotate, enabling the springs to deform, enabling the two L-shaped guide plates to reversely rotate to bend and guide the plate workpieces in batches, and enabling the plate workpieces to be bent to the same bending degree;

s2, when bending degree is required to be adjusted, the worm wheel and the rotating rod are rotated through the rotating worm, the bending rail can be vertically displaced along the adjusting groove through the slow rotation of the cam blocks, then the distance between the bending rail and the bending cutter can be adjusted, the bending cutter with fixed stroke can force the two L-shaped guide plates to reversely rotate, and the bending rail can be automatically limited after displacement through the self-locking property of the worm wheel and the worm, so that the plate workpiece can be bent in angle change, and the plate workpiece with variable bending degree and the purpose of mass production can be realized.

3. Advantageous effects

One or more technical schemes provided in the technical scheme of the application at least have the following technical effects or advantages:

1. when the plate workpiece is pressed by the bending tool, the plate workpiece is held by the two L-shaped guide plates and is guided along the bending rail in a rotating way, the spring can deform, the plate workpiece is bent, the worm wheel and the rotating rod are rotated by the rotating worm, the bending rail is vertically displaced along the adjusting groove by the slow rotation of the cam blocks, the distance between the bending rail and the bending tool can be adjusted, the bending tool with a fixed stroke forces the angle of bending of the plate workpiece to change, the bending edge of the plate workpiece is limited by the limiting plate, the plate workpiece can be bent to a variable bending degree, the aim of mass production can be fulfilled, the adjustment is efficient, the installation is convenient, and the processing efficiency is greatly improved.

2. Limiting plate removes to the plate work piece department of treating of waiting to bend in this application, the accessible limiting plate withstands the plate work piece, the rail of bending passes through two L shape strip along second L shape groove slidable mounting to make L shape strip and guide rail fixed connection through a plurality of bolts, then force two L shape baffle reverse rotations of turning over the installation on the rail of bending when bending tool bottom, and make spring deformation, two L shape baffle reverse rotations can bend the direction for the plate work piece, can realize that the plate work piece of lot can be bent out the same camber.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a bending angle-adjustable bending machine and a method for using the bending angle-adjustable bending machine according to a preferred embodiment of the present invention;

fig. 2 is a schematic diagram of a bending tool mounting structure of a bending angle adjustable bending machine and a method for using the same according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram of a bending angle-adjustable bending mechanism of a bending angle-adjustable bending machine and a using method thereof according to a preferred embodiment of the present application;

fig. 4 is a schematic diagram of a bending rail and a guide rail structure of a bending angle adjustable bending machine and a method for using the same according to a preferred embodiment of the present invention;

fig. 5 is an enlarged schematic structural view of a bending machine with adjustable bending angle and a method for using the same in fig. 4 according to a preferred embodiment of the present invention;

fig. 6 is a schematic structural diagram of a bending guide mechanism of a bending angle-adjustable bending machine and a method for using the bending angle-adjustable bending machine according to a preferred embodiment of the present invention;

fig. 7 is an enlarged schematic structural diagram of a bending angle-adjustable bending machine for bending hardware and a method for using the same in fig. 6 according to a preferred embodiment of the present invention;

the reference numerals in the figures illustrate: 1. a driving mechanism; 11. a bracket; 111. a convex chute; 12. a cylinder; 13. a cross plate; 14. a connecting seat; 2. bending tools; 21. a convex groove; 22. a screw hole; 3. a guide rail; 31. a first L-shaped groove; 32. an adjustment tank; 33. a rotary groove; 34. a second L-shaped groove; 4. bending the rail; 41. a V-shaped groove; 42. rectangular grooves; 43. a cross groove; 44. an L-shaped strip; 5. a bending guide mechanism; 51. an L-shaped guide plate; 52. a rotating block; 53. a rotating shaft; 54. a reinforcing plate; 56. a connecting block; 57. a spring; 6. a bending degree adjusting mechanism; 61. a worm; 62. rectangular blocks; 63. a worm wheel; 64. a rotating rod; 65. a cam block; 7. a bending margin limiting mechanism; 71. an L-shaped slide; 72. a limiting plate; 73. and (3) a screw.

Detailed Description

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

Referring to fig. 1, fig. 2 and fig. 3, a bending angle adjustable hardware bending machine comprises a driving mechanism 1 and a guide rail 3, the driving mechanism 1 comprises a support 11, the support 11 and the guide rail 3 are fixedly installed, a cylinder 12 is fixedly installed on the support 11, a transverse plate 13 is connected to a piston rod transmission of the cylinder 12, a plurality of connecting seats 14 are fixedly arranged at two sides of the transverse plate 13, a bending cutter 2 is connected to the connecting seats 14 through bolt threads, a bending rail 4 is installed in the guide rail 3 in a sliding mode, a bending guide mechanism 5 is installed on the bending rail 4, the bending cutter 2 is in transmission connection with the bending guide mechanism 5, a bending degree adjusting mechanism 6 and a bending margin limiting mechanism 7 are installed on the guide rail 3, the bending degree adjusting mechanism 6 is in transmission connection with the bending rail 4, when a piston rod of the cylinder 12 extends to enable the transverse plate 13 to vertically displace along the support 11, a plate workpiece is placed at the upper part of the bending rail 4, the plate workpiece is limited through a bending margin limiting mechanism 7, the plate workpiece is pushed against the bending cutter 2, the bending guide rail 4 is connected in a sliding mode, the bending guide mechanism 5 is connected to the bending guide rail 4 in a matching mode, the bending distance can be adjusted, and the bending distance can be adjusted to the plate workpiece can be bent along the bending guide rail 4.

The worm is rotated excessively to enable the worm wheel and the rotating rod to rotate and the cam blocks to rotate slowly, so that the bending rail is vertically displaced along the adjusting groove, the distance between the bending rail and the bending cutter can be adjusted, and the bending cutter driving the fixed stroke forces the angle of the plate workpiece to be bent to change.

Referring to fig. 1 and 2, convex sliding grooves 111 are formed in inner walls of two sides of the bracket 11, the inner walls of the bracket 11 are slidably connected with a transverse plate 13, and two ends of the transverse plate 13 are slidably mounted in the convex sliding grooves 111, so that the bending cutter 2 can stably and vertically displace.

Referring to fig. 1 and 2, convex grooves 21 and a plurality of screw holes 22 are formed on both side surfaces of the bending cutter 2, the connection base 14 is slidably mounted along the convex grooves 21 of the bending cutter 2, and the connection base 14 is fixedly connected with the bending cutter 2 through bolts.

Referring to fig. 3, 4 and 5, an adjusting groove 32 is formed in the guide rail 3, the bending rail 4 is slidably mounted in the adjusting groove 32, second L-shaped grooves 34 are formed in inner walls of two sides of the adjusting groove 32, a first L-shaped groove 31 is formed in one side surface of the guide rail 3, the bending edge spacing mechanism 7 is slidably connected in the first L-shaped groove 31, a plurality of rotating grooves 33 are formed in the inner bottom surface of the adjusting groove 32, the inner wall of the rotating groove 33 is rotatably connected with the bending camber adjusting mechanism 6, the bending rail 4 is slidably mounted in the adjusting groove 32, the distance between the bending rail 4 and the bending cutter 2 is adjustable, and the bending edge spacing mechanism 7 slides in the first L-shaped groove 31, so that a plate workpiece subjected to bending treatment can be conveniently subjected to spacing and abutting treatment.

Referring to fig. 4 and 5, a V-shaped groove 41 is formed in the bending rail 4, the V-shaped groove 41 is in plug-in fit connection with the bending cutter 2, a plurality of rectangular grooves 42 and cross grooves 43 are formed in the surfaces of two sides of the bending rail 4, an L-shaped strip 44 is slidably connected in the cross grooves 43 and slidably mounted in the second L-shaped groove 34, the L-shaped strip 44 is in threaded connection with the guide rail 3 through a plurality of bolts, the inner walls of two ends of the V-shaped groove 41 are rotatably connected with the bending guide mechanism 5, the bending cutter 2 is in plug-in fit connection with the V-shaped groove 41, the bending cutter 2 bends a plate workpiece, the bending cutter 2 is slidably mounted in the guide rail 3 through the L-shaped strip 44, and the bending cutter 2 can vertically displace along the L-shaped strip 44.

Referring to fig. 6 and 7, the bending guide mechanism 5 includes two L-shaped guide plates 51, the L-shaped guide plates 51 are connected with the bending tool 2 in a transmission manner, the bottom surfaces of the L-shaped guide plates 51 are fixedly connected with rotating blocks 52, the rotating blocks 52 are arranged at two ends of the V-shaped groove 41, the rotating blocks 52 are fixedly connected with rotating shafts 53, the rotating shafts 53 are rotatably connected with the ends of the bending rails 4, reinforcing plates 54 are fixedly connected to the outer surfaces of the L-shaped guide plates 51, a plurality of connecting blocks 56 are fixedly arranged on the inner walls of the L-shaped guide plates 51, springs 57 are fixedly connected to the connecting blocks 56, the bottom ends of the springs 57 are fixedly arranged at the inner bottom surfaces of the rectangular grooves 42, plate workpieces are placed on the upper surfaces of the two L-shaped guide plates 51, when the bending tool 2 presses the plate workpieces, the two L-shaped guide plates 51 are rotatably guided along the bending rails 4 through the rotating shafts 53 on the rotating blocks 52, and the springs 57 can deform and enable the plate workpieces to be subjected to bending treatment.

Referring to fig. 3 and 6, the bending degree adjusting mechanism 6 includes a worm 61, the worm 61 is rotationally connected with a rectangular block 62, the rectangular block 62 is fixedly connected with the guide rail 3, the worm 61 is in meshed connection with a worm wheel 63, the worm wheel 63 is fixedly provided with a rotating rod 64, the rotating rod 64 is rotationally connected with the guide rail 3, the rotating rod 64 is fixedly provided with a plurality of cam blocks 65, the cam blocks 65 are rotationally arranged in the rotating groove 33, the outer surfaces of the cam blocks 65 are in fit connection with the bottom surface of the bending rail 4, the worm wheel 61 rotates the worm wheel 63 and the rotating rod 64, the bending rail 4 can be vertically displaced along the adjusting groove 32 through slow rotation of the plurality of cam blocks 65, the distance between the bending rail 4 and the bending cutter 2 can be adjusted, the angle of the bending cutter 2 with fixed stroke can be changed by forcing the two L-shaped guide plates 51 to reversely rotate, and the bending rail 4 can be automatically limited after being displaced through self-locking of the worm wheel 63 and the worm 61.

Referring to fig. 3 and 4, the bending margin limiting mechanism 7 includes an L-shaped slide 71, the L-shaped slide 71 is slidably mounted in the first L-shaped groove 31, a plurality of limiting plates 72 are fixedly disposed at the upper end of the L-shaped slide 71, the L-shaped slide 71 is screwed with a screw 73, the screw 73 is rotationally connected with the guide rail 3, the screw 73 is rotated to slide the L-shaped slide 71 along the first L-shaped groove 31, and then the limiting plates 72 are moved to the plate workpiece to be bent, so that the plate workpiece can be resisted by the limiting plates 72.

The application method of the hardware bending machine with the adjustable bending angle comprises the following steps:

s1, a bracket 11 and a guide rail 3 are fixedly installed with a bending machine frame, a cylinder 12 is fixedly installed on the bracket 11 to work, a piston rod of the cylinder 12 extends out to enable a transverse plate 13 to slide along a convex chute 111 of the bracket 11, a bending cutter 2 in threaded connection through a connecting seat 14 vertically moves for a fixed stroke, an L-shaped sliding seat 71 slides along a first L-shaped groove 31 through a rotating screw 73, then a limiting plate 72 moves to a plate workpiece to be subjected to bending treatment, the limiting plate 72 can resist the plate workpiece, a bending rail 4 is slidably installed along a second L-shaped groove 34 through two L-shaped strips 44, the L-shaped strips 44 are fixedly connected with the guide rail 3 through a plurality of bolts, then when the bottom end of the bending cutter 2 forces two L-shaped guide plates 51 which are rotatably installed on the bending rail 4 to reversely rotate, a spring 57 is deformed, the two L-shaped guide plates 51 reversely rotate to guide the plate workpiece in a bending way, and batch plate workpieces can be bent to the same degree;

s2, when bending degree needs to be adjusted, the worm wheel 63 and the rotating rod 64 are rotated through the rotating worm 61, the bending rail 4 can be vertically displaced along the adjusting groove 32 through the slow rotation of the cam blocks 65, then the distance between the bending rail 4 and the bending cutter 2 can be adjusted, the bending cutter 2 with fixed stroke can force the two L-shaped guide plates 51 to reversely rotate, and through the self-locking property of the worm wheel 63 and the worm 61, the bending rail 4 can be automatically limited after being displaced, then the bending angle of a plate workpiece can be changed, the plate workpiece with variable bending degree can be bent, and the purpose of mass production is achieved.

The embodiment of the application provides a specific use method of a hardware bending machine with an adjustable bending angle, which comprises the following steps: the bracket 11 and the guide rail 3 are fixedly installed with the frame of the bending machine, the air cylinder 12 is fixedly installed on the bracket 11 to work, the piston rod of the air cylinder 12 extends out to enable the transverse plate 13 to slide along the convex chute 111 of the bracket 11, the bending cutter 2 in threaded connection through the connecting seat 14 vertically moves for a fixed stroke, the L-shaped sliding seat 71 slides along the first L-shaped groove 31 through the rotating screw 73, then the limiting plate 72 moves to the position of a plate workpiece to be subjected to bending treatment, the limiting plate 72 can resist the plate workpiece, the bending rail 4 is slidably installed along the second L-shaped groove 34 through the two L-shaped strips 44, the L-shaped strips 44 are fixedly connected with the guide rail 3 through a plurality of bolts, then when the bottom end of the bending cutter 2 forces the two L-shaped guide plates 51 to rotate reversely, the springs 57 deform, the two L-shaped guide plates 51 reversely rotate to bend and guide the plate workpiece, and the plate workpiece in batches can be bent and the same bending degree; when bending degree needs to be adjusted, the worm wheel 63 and the rotating rod 64 are rotated through the rotating worm 61, the bending rail 4 can be vertically displaced along the adjusting groove 32 through the slow rotation of the cam blocks 65, then the distance between the bending rail 4 and the bending cutter 2 can be adjusted, the bending cutter 2 with fixed stroke can force the two L-shaped guide plates 51 to reversely rotate, and through the self-locking property of the worm wheel 63 and the worm 61, the bending rail 4 can be subjected to automatic limiting treatment after displacement, then the bending angle of a plate workpiece can be changed, and the plate workpiece with variable bending degree and the aim of mass production can be achieved.

Above-mentioned in-process regulation is bent the rail and is bent the interval of cutter with bending, makes the fixed stroke bend the cutter and forces the angle change that the plate work piece was bent, and the limit plate spacing that just bends of plate work piece is handled, can realize then that the plate work piece is bent out the variable camber to can realize batch production's purpose, adjust high-efficient, simple to operate, machining efficiency improves greatly.

Claims (9)

1. The utility model provides a bending angle adjustable gold utensil bender which characterized in that: the device comprises a driving mechanism and a guide rail, wherein the driving mechanism comprises a bracket, the bracket and the guide rail are fixedly arranged, an air cylinder is fixedly arranged on the bracket, a piston rod of the air cylinder is in transmission connection with a transverse plate, a plurality of connecting seats are fixedly arranged at two sides of the transverse plate, the connecting seats are in threaded connection with bending cutters through bolts, and convex grooves and a plurality of screw holes are formed in the surfaces of two sides of each bending cutter;

the guide rail is provided with an adjusting groove, a bending rail is slidably arranged in the adjusting groove, a V-shaped groove is formed in the bending rail, the V-shaped groove is in plug-in fit connection with a bending cutter, a plurality of rectangular grooves and cross grooves are formed in the surfaces of two sides of the bending rail, an L-shaped strip is slidably connected in the cross grooves, and the L-shaped strip is slidably arranged in a second L-shaped groove;

the two side inner walls of the adjusting groove are respectively provided with a second L-shaped groove, one side surface of the guide rail is provided with a first L-shaped groove, the first L-shaped groove is in sliding connection with a bending edge spacing mechanism, the bottom surface in the adjusting groove is provided with a plurality of rotating grooves, the guide rail is in sliding installation, the bending rail is provided with a bending guide mechanism, the bending guide mechanism comprises two L-shaped guide plates, the L-shaped guide plates are in transmission connection with a bending cutter, the bottom surface of the L-shaped guide plates is fixedly connected with rotating blocks, the rotating blocks are arranged at two ends of the V-shaped groove, and the rotating blocks are fixedly connected with rotating shafts which are in rotating connection with the end parts of the bending rail;

the bending cutter is in transmission connection with the bending guide mechanism, the bending camber adjusting mechanism is in transmission connection with the bending rail, the guide rail is provided with the bending camber adjusting mechanism and the bending edge spacing mechanism, the bending camber adjusting mechanism comprises a worm, the worm is rotationally connected with a rectangular block, the rectangular block is fixedly connected with the guide rail, the worm is in meshed connection with a worm wheel, the worm wheel is fixedly provided with a rotating rod, the rotating rod is rotationally connected with the guide rail, and the rotating rod is fixedly provided with a plurality of cam blocks;

the worm is rotated excessively to enable the worm wheel and the rotating rod to rotate and the cam blocks to rotate slowly, so that the bending rail is vertically displaced along the adjusting groove, the distance between the bending rail and the bending cutter can be adjusted, and the bending cutter driving the fixed stroke forces the angle of the plate workpiece to be bent to change.

2. The bending angle adjustable hardware bending machine according to claim 1, wherein: convex sliding grooves are formed in the inner walls of the two sides of the support, and the inner walls of the support are connected with the transverse plates in a sliding mode.

3. The bending angle adjustable hardware bending machine according to claim 1, wherein: the connecting seat is slidably mounted along the convex groove.

4. The bending angle adjustable hardware bending machine according to claim 1, wherein: the inner wall of the rotary groove is rotationally connected with a bending and bending adjusting mechanism.

5. The bending angle adjustable hardware bending machine according to claim 4, wherein: the L-shaped strip is in threaded connection with the guide rail through a plurality of bolts, and inner walls at two ends of the V-shaped groove are rotationally connected with bending guide mechanisms.

6. The bending angle adjustable hardware bending machine according to claim 5, wherein: the outer surface of the L-shaped guide plate is fixedly connected with a reinforcing plate, a plurality of connecting blocks are fixedly arranged on the inner wall of the L-shaped guide plate, springs are fixedly connected with the connecting blocks, and the bottom ends of the springs are fixedly arranged at the bottom surface of the rectangular groove.

7. The bending angle adjustable hardware bending machine according to claim 4, wherein: the cam block is rotationally arranged in the rotary groove, and the outer surface of the cam block is in fit connection with the bottom surface of the bending rail.

8. The bending angle adjustable hardware bending machine according to claim 4, wherein: the bending edge spacing limiting mechanism comprises an L-shaped sliding seat which is slidably mounted in a first L-shaped groove, a plurality of limiting plates are fixedly arranged at the upper end of the L-shaped sliding seat, a screw is connected with the L-shaped sliding seat in a threaded mode, and the screw is rotationally connected with the guide rail.

9. The method for using the bending angle-adjustable hardware bending machine according to any one of claims 1 to 8, comprising the following steps:

s1, fixedly mounting a bracket and a guide rail on a bending machine frame, fixedly mounting a cylinder on the bracket, extending a piston rod of the cylinder to enable a transverse plate to slide along a convex chute of the bracket, vertically moving a bending cutter connected through a connecting seat to a fixed stroke, enabling an L-shaped sliding seat to slide along a first L-shaped groove by rotating a screw rod, enabling a limiting plate to move to a plate workpiece to be subjected to bending treatment, enabling a limiting plate to resist the plate workpiece, enabling a bending rail to be slidably mounted along a second L-shaped groove by two L-shaped strips, enabling the L-shaped strips to be fixedly connected with the guide rail by a plurality of bolts, enabling two L-shaped guide plates arranged on the bending rail to reversely rotate when the bottom end of the bending cutter forces the two L-shaped guide plates to reversely rotate, enabling the springs to deform, enabling the two L-shaped guide plates to reversely rotate to bend and guide the plate workpieces in batches, and enabling the plate workpieces to be bent to the same bending degree;

s2, when bending degree is required to be adjusted, the worm wheel and the rotating rod are rotated through the rotating worm, the bending rail can be vertically displaced along the adjusting groove through the slow rotation of the cam blocks, then the distance between the bending rail and the bending cutter can be adjusted, the bending cutter with fixed stroke can force the two L-shaped guide plates to reversely rotate, and the bending rail can be automatically limited after displacement through the self-locking property of the worm wheel and the worm, so that the plate workpiece can be bent in angle change, and the plate workpiece with variable bending degree and the purpose of mass production can be realized.