CN111167895A

CN111167895A - Angle-adjustable bending machine

Info

Publication number: CN111167895A
Application number: CN201811345255.6A
Authority: CN
Inventors: 殷邗清
Original assignee: Jiangsu Tin Yi High Tech Zone Technology Development Co Ltd
Current assignee: Jiangsu Tin Yi High Tech Zone Technology Development Co Ltd
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2020-05-19

Abstract

The invention discloses an angle-adjustable bending machine which comprises a base, wherein the upper surface of the base is connected with a workbench surface, fixing seats are symmetrically arranged in the middle of the upper surface of the workbench surface, symmetrical supporting plates are connected onto the workbench surfaces on two sides of the fixing seats, supports are fixed on two sides of the workbench surface, a hydraulic oil cylinder is arranged at the upper end of each support, the output end of the hydraulic oil cylinder is connected with a driving shaft, and the lower end of the driving shaft is connected with an upper die. According to the angle-adjustable bending machine, the first die and the second die are connected between the side plates and are in cross hinge connection, so that the cross angle can be freely adjusted to achieve the required bending angle, the application range is wide, various bending angles can be met, and the adjustment angle can be fixed by screwing the locking bolt and fixing the position of the sliding block; meanwhile, the positioning plate can move on the sliding rail through the rotation of the screw rod, the positioning plate is fixed to the side plate, and the precision in the bending process is guaranteed.

Description

Angle-adjustable bending machine

Technical Field

The invention relates to the technical field of machining, in particular to an angle-adjustable bending machine.

Background

The existing bending machine usually adopts a hydraulic cylinder to drive an upper die to press down a metal plate placed on a lower die, so that the metal plate is bent, but in the bending mode, one set of die can only adapt to one bending specification, and in order to meet different bending requirements in the actual production, the die has to be frequently replaced, so that time and labor are wasted, the production efficiency is influenced, and the investment of cost is increased due to the purchase of a large number of dies with different specifications.

Chinese patent CN207414127U discloses a hydraulic bending device, which comprises a workbench, a hydraulic cylinder and a bracket, wherein the bracket is mounted on the workbench, the hydraulic cylinder is mounted on the top of the bracket, the bottom of the hydraulic cylinder is connected with a driving shaft, the bottom of the driving shaft is connected with a casing, and the bottom of the casing is provided with an upper die; the center of the workbench is provided with a fixed part, the top of the fixed part is provided with slide rails distributed along the length direction of the fixed part, the workbench is also provided with a lower die, the lower die comprises a first lower die and a second lower die, and the bottoms of the first lower die and the second lower die are provided with grooves matched with the slide rails; the first lower die and the second lower die are respectively provided with the first fixing bolt for fastening the lower die and the slide rail, the bending die is suitable for application of various bending specifications, frequent die replacement in the working process is avoided, the production efficiency is improved, and the investment in the production cost is reduced.

Although this application has solved the problem in the background art to a certain extent, do not have the relation between the bed die in this application, can not set up corresponding bending angle, only through the position of removing first mould and second mould, adjust the distance size between first mould and the second mould, bend the steel sheet, machining precision is not high, adopt fixing bolt to fix the bed die simultaneously, stability is not enough, when receiving the huge impact force of pneumatic cylinder looks down, the bed die can take place the offset, the effect of bending is influenced.

Disclosure of Invention

The invention aims to provide an angle-adjustable bending machine which has the advantages of convenience in adjusting bending angle, firmness in fixing and high precision and solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an angle-adjustable bending machine comprises a base, wherein the upper surface of the base is connected with a workbench surface, fixing seats are symmetrically arranged at the middle position of the upper surface of the workbench surface, symmetrical supporting plates are connected on the workbench surfaces at the two sides of the fixing seats, brackets are fixed at the two sides of the workbench surface, a hydraulic oil cylinder is arranged at the upper end of each bracket, the output end of the hydraulic oil cylinder is connected with a driving shaft, the lower end of the driving shaft is connected with an upper die, bolt holes penetrating through the fixing seats are formed in the fixing seats, the bolt holes are fixedly connected with the workbench surface through fixing bolts, slide rails are connected between the fixing seats, a lower die is movably connected onto the slide rails, fixing lugs are symmetrically connected at the two sides of the lower end of each supporting plate, the fixing lugs are fixed with, a supporting screw is meshed with the internal thread of the hexagon nut, a bearing is sleeved at one end, close to the slide rail, of the supporting screw, a positioning plate is connected with the outer ring of the bearing, a first sliding groove is formed in the lower end of the positioning plate and is movably connected with the slide rail, the lower die comprises a first die and a second die, side plates are connected to two sides of the first die and the second die, jacks distributed equidistantly are formed in the center lines of the first die and the second die in the length direction, a shaft hole is formed in the center position of each jack, the jacks on the first die and the second die are in cross connection, a rotating shaft penetrates through the shaft holes, sliding blocks are symmetrically connected to one sides, far away from the rotating shaft, of the upper ends of the first die and the second die, a connecting block is fixed to one sides, far away from the rotating shaft, of the lower ends of the first die and the second die, the both sides symmetric connection of curb plate has the fixed strip, and the mounting groove has been seted up to the lower extreme of fixed strip, and the hinge joint has the connecting block in the mounting groove, and the third spout, third spout and slider swing joint have been seted up to the upper end of fixed strip.

Preferably, the upper end and the lower end of the third sliding chute are both connected with limiting blocks.

Preferably, the surface of the slide rail is connected with a dial gauge.

Preferably, one side of the positioning plate close to the lower die is tightly attached to the outer side of the side plate.

Preferably, the fixing seat is provided with a slotted hole matched with the mounting fixing seat and the supporting plate.

Preferably, a fourth sliding groove is formed in the side wall, corresponding to the third sliding groove, of the fixing strip, and a locking bolt penetrates through the fourth sliding groove.

Compared with the prior art, the invention has the following beneficial effects:

according to the angle-adjustable bending machine, the first die and the second die are connected between the side plates and are in cross hinge connection, so that the cross angle can be freely adjusted to achieve the required bending angle, the application range is wide, various bending angles can be met, and the adjustment angle can be fixed by screwing the locking bolt and fixing the position of the sliding block; meanwhile, the supporting plate is arranged on the working table top, the positioning plate can move on the sliding rail through the rotation of the screw rod through the connecting mode of the supporting screw rod and the positioning plate, the positioning plate is fixed to the side plate, namely, the position of the lower die is fixed, and the precision in the bending process is guaranteed.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a view of the construction of the support plate of the present invention;

FIG. 3 is a structural view of a positioning plate of the present invention;

FIG. 4 is a lower mold structure diagram of the present invention;

FIG. 5 is a view of a first mold structure of the present invention;

FIG. 6 is a bottom die mounting configuration of the present invention;

FIG. 7 is a side panel structure of the present invention;

in the figure: 1. a base; 11. a work table; 12. a support; 2. a fixed seat; 21. bolt holes; 22. a slide rail; 3. a hydraulic cylinder; 31. a drive shaft; 32. an upper die; 4. a support plate; 41. fixing the ears; 42. a hexagonal hole; 43. a hexagonal nut; 44. a support screw; 45. a bearing; 46. positioning a plate; 47. a first chute; 5. a lower die; 51. a first mold; 52. a second mold; 53. a jack; 54. a shaft hole; 55. a rotating shaft; 56. a slider; 57. connecting blocks; 6. a side plate; 61. a second chute; 62. a fixing strip; 63. mounting grooves; 64. a third chute; 65. a fourth chute; 66. locking the bolt; 67. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an angle-adjustable bending machine comprises a base 1, wherein the upper surface of the base 1 is connected with a worktable 11, fixing seats 2 are symmetrically installed at the middle position of the upper surface of the worktable 11, symmetrical supporting plates 4 are connected to the worktable 11 at the two sides of the fixing seats 2, the fixing seats 2 are provided with slotted holes matched with the fixing seats 2 and the supporting plates 4, the fixing seats 2 and the supporting plates 4 are convenient to install and disassemble, brackets 12 are fixed at the two sides of the worktable 11, a hydraulic cylinder 3 is installed at the upper end of the bracket 12, the output end of the hydraulic cylinder 3 is connected with a driving shaft 31, the lower end of the driving shaft 31 is connected with an upper die 32, the hydraulic cylinder 3 drives the driving shaft 31 to move up and down, the fixing seats 2 are provided with bolt holes 21 penetrating through the fixing seats 2, the, the surface of the slide rail 22 is connected with a scale, the slide rail 22 is movably connected with a lower die 5, the surface of the slide rail 22 is connected with the scale, the lower die 5 is adjusted according to the scale to obtain a required angle, two sides of the lower end of the support plate 4 are symmetrically connected with fixing lugs 41, the fixing lugs 41 are fixed on the upper surface of the worktable 11 through fixing bolts, the upper end of the support plate 4 is provided with a hexagonal hole 42, a hexagon nut 43 is arranged in the hexagonal hole 42, a support screw 44 is meshed on the internal thread of the hexagon nut 43, the support screw 44 can be close to or far away from the lower die 5 in a rotating manner, a bearing 45 is sleeved at one end of the support screw 44 close to the slide rail 22, the outer ring of the bearing 45 is connected with a positioning plate 46, one side of the positioning plate 46 close to the lower die 5 is tightly attached to the outer side of the side plate 6, the lower end of the positioning plate 46 is provided with a first sliding chute 47, the first sliding chute 47 is movably connected with the slide rail 22, the lower die 5 comprises a first die 51 and a second die 52, the two sides of the first die 51 and the second die 52 are connected with side plates 6, the middle lines of the first die 51 and the second die 52 in the length direction are provided with jacks 53 distributed equidistantly, the center of the jack 53 is provided with a shaft hole 54, the jacks 53 on the first die 51 and the second die 52 are connected in a cross manner, a rotating shaft 55 penetrates through the shaft hole 54, the first die 51 and the second die 52 are hinged together, the angle adjustment can be freely carried out, the bending requirements of different angles are met, the upper ends of the first die 51 and the second die 52, far away from the rotating shaft 55, one side of the lower ends of the first die 51 and the second die 52 is symmetrically connected with a sliding block 56, the lower ends of the first die 51 and the second die 52, far away from the rotating shaft 55, second spout 61 and slide rail 22 swing joint, an angle for adjusting first mould 51 and second mould 52, the bilateral symmetry of curb plate 6 is connected with fixed strip 62, mounting groove 63 has been seted up to the lower extreme of fixed strip 62, it has connecting block 57 to articulate in the mounting groove 63, third spout 64 has been seted up to the upper end of fixed strip 62, third spout 64 and slider 56 swing joint, an angle for adjusting first mould 51 and second mould 52, the upper and lower both ends of third spout 64 all are connected with stopper 67, prevent that slider 56 from breaking away from third spout 64, fourth spout 65 has been seted up on the corresponding lateral wall of fixed strip 62 and third spout 64, it has locking bolt 66 to run through in the fourth spout 65, locking bolt 66 is used for the position of fixed slider 56, the angle of first mould 51 and second mould 52 has been fixed promptly.

The working process is as follows: after the fixing seat 2 and the supporting plate 4 are installed, the crossed included angle between the upper ends of the first die 51 and the second die 52 is adjusted as required, the locking bolt 66 is screwed down, the position of the sliding block 56 is fixed, namely, the angle between the first die 51 and the second die 52 is fixed, the positions of the second sliding chute 61 and the sliding rail 22 are adjusted according to the scale, so that the included angle between the upper ends of the first die 51 and the second die 52 is just positioned at the lower end of the upper die 32, the supporting screw 44 is screwed down until the positioning plate 46 is tightly attached to the side plate 6, a steel plate to be bent is placed on the upper end surface of the lower die 5, the hydraulic oil cylinder 3 is started, the hydraulic oil cylinder 3 drives the driving shaft 31 to move downwards, the upper die 32 is stamped on the upper surface of the steel plate, and the steel plate is pressed into the crossed included angle between the upper ends of the first die.

In summary, the following steps: according to the angle-adjustable bending machine, the first die 51 and the second die 52 are connected between the side plates 6, the first die 51 and the second die 52 are hinged in a crossed mode, the crossed angle can be adjusted freely to achieve a required bending angle, the application range is wide, various bending angles can be met, and the angle can be adjusted and fixed by screwing the locking bolt 66 and fixing the position of the sliding block 56; meanwhile, the supporting plate 4 is installed on the working table 11, and the positioning plate 46 can move on the sliding rail 22 through the rotation of the supporting screw 44 by the connection mode of the supporting screw 44 and the positioning plate 46, so that the positioning plate 46 fixes the position of the side plate 6, namely the position of the lower die 5 is fixed, and the precision in the bending process is ensured.

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.

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. The utility model provides an angularly adjustable bender, includes base (1), its characterized in that: the upper surface of the base (1) is connected with a workbench surface (11), the middle position of the upper surface of the workbench surface (11) is symmetrically provided with a fixed seat (2), the workbench surfaces (11) at the two sides of the fixed seat (2) are connected with symmetrical supporting plates (4), the two sides of the workbench surface (11) are fixed with a bracket (12), the upper end of the bracket (12) is provided with a hydraulic oil cylinder (3), the output end of the hydraulic oil cylinder (3) is connected with a driving shaft (31), the lower end of the driving shaft (31) is connected with an upper die (32), the fixed seat (2) is provided with a bolt hole (21) penetrating through the fixed seat (2), the bolt hole (21) is fixedly connected with the workbench surface (11) through a fixing bolt, a slide rail (22) is connected between the fixed seats (2), the slide rail (22) is movably connected with a lower die (5, the fixed lug (41) is fixed with the upper surface of the working table top (11) through a fixed bolt, a hexagonal hole (42) is formed in the upper end of the supporting plate (4), a hexagon nut (43) is installed in the hexagonal hole (42), a supporting screw rod (44) is meshed on the internal thread of the hexagon nut (43), a bearing (45) is sleeved at one end, close to the sliding rail (22), of the supporting screw rod (44), the outer ring of the bearing (45) is connected with a positioning plate (46), a first sliding groove (47) is formed in the lower end of the positioning plate (46), the first sliding groove (47) is movably connected with the sliding rail (22), the lower die (5) comprises a first die (51) and a second die (52), side plates (6) are connected to two sides of the first die (51) and the second die (52), and inserting holes (53) which are distributed equidistantly are formed in the central lines of the first die (51) and the second die, the center of the jack (53) is provided with a shaft hole (54), the jacks (53) on the first die (51) and the second die (52) are in cross connection, a rotating shaft (55) penetrates through the shaft hole (54), the upper ends of the first die (51) and the second die (52) are symmetrically connected with a slide block (56) at one side far away from the rotating shaft (55), the lower ends of the first die (51) and the second die (52) are fixed with a connecting block (57) at one side far away from the rotating shaft (55), second spout (61) have been seted up to the lower extreme of curb plate (6), second spout (61) and slide rail (22) swing joint, and the bilateral symmetry of curb plate (6) is connected with fixed strip (62), and mounting groove (63) have been seted up to the lower extreme of fixed strip (62), and hinged joint has connecting block (57) in mounting groove (63), and third spout (64) have been seted up to the upper end of fixed strip (62), third spout (64) and slider (56) swing joint.

2. Machine according to claim 1, characterized in that: the upper end and the lower end of the third sliding groove (64) are both connected with limiting blocks (67).

3. Machine according to claim 1, characterized in that: the surface of the slide rail (22) is connected with a dial gauge.

4. Machine according to claim 1, characterized in that: one side of the positioning plate (46) close to the lower die (5) is tightly attached to the outer side of the side plate (6).

5. Machine according to claim 1, characterized in that: the fixing seat (2) is provided with a slotted hole matched with the mounting fixing seat (2) and the supporting plate (4).

6. Machine according to claim 1, characterized in that: a fourth sliding groove (65) is formed in the side wall, corresponding to the third sliding groove (64), of the fixing strip (62), and a locking bolt (66) penetrates through the fourth sliding groove (65).