CN222326323U - A one-time negative angle bending hardware mold - Google Patents

Abstract

The utility model relates to the technical field of hardware dies, in particular to a disposable negative angle bending hardware die which comprises a base, wherein a supporting rod is fixedly connected to the top surface of the base, a top plate is fixedly connected to the top of the supporting rod, and a cylinder is fixedly connected to the top surface of the top plate. The utility model has the advantages that the two bending rollers are driven to rotate until the workpiece moves into the negative angle forming groove, the bottom surface of the negative angle forming groove is parallel to the bottom surface of the groove, the workpiece can be subjected to negative angle forming through the extrusion of the bending rollers and the bending blocks, the negative angle forming operation can be finished at one time, the bending rollers are convenient to reset by the tension springs, the assembling plate can be disassembled when the bending rollers are required to be disassembled and maintained, the limiting of the limiting wheels on the bending rollers can be relieved, then the tension springs are disassembled from the connecting pins, finally, the bending rollers can be rapidly pulled out from the inside of the embedded groove by workers, and the bending rollers can be rapidly disassembled.

Description

Disposable negative angle hardware mould of bending

Technical Field

The utility model relates to the technical field of hardware dies, in particular to a one-time negative angle bending hardware die.

Background

The bending of the hardware die is a metal processing technology, and refers to a part which is formed by bending a metal plate into a required shape through the die. In the bending process of the hardware mould, the metal plate is sheared and bent through the mould to form a part with a required shape.

The disposable negative angle bending is a metal processing technology, and refers to the condition that in the bending process, a metal plate is bent into a required shape through one-time operation, and the bending angle is smaller than 90 degrees, the bending efficiency of hardware can be greatly improved through the disposable negative angle bending hardware die, but the disposable negative angle bending die also has the following defects that the forming base of the die needs to repeatedly rotate for many times when in use, the situation that abrasion can not occur is unavoidable, the precision is reduced along with the increasing abrasion of the bending times gradually at home, and therefore the lifting is required to detach and maintain the forming base, but the detachment is troublesome, and the problem is solved through the disposable negative angle bending hardware die.

Disclosure of utility model

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a disposable negative angle bending hardware mold, so as to solve the problems mentioned in the background art and overcome the defects existing in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a disposable negative angle bending hardware mold, which comprises a base, the top surface of the base is fixedly connected with a supporting rod, the top of the supporting rod is fixedly connected with a top plate, the top surface of the top plate is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a bending block, the top surface of the base is fixedly connected with a forming table, the top surface of the forming table is provided with a groove, the groove corresponds to the bending block, two embedded grooves are formed in the forming table, bending rollers are rotatably connected to the inner walls of the two embedded grooves, the two bending rollers are symmetrically distributed on two sides of the bending block, one side of the forming table is fixedly provided with an assembling plate through bolts, the inner side of the assembling plate is rotatably connected with a limiting wheel, and the limiting wheel is slidably connected with the bending rollers.

By any of the above schemes, preferably, the top surface of the forming table is fixedly connected with two positioning plates, and the two positioning plates are symmetrically distributed on two sides of the bending block. The forming table is fixedly connected with a connecting pin on the same side of the bending roller, and a tension spring is arranged between the two connecting pins. When sheet metal parts are required to be subjected to negative angle bending operation, the sheet metal parts can be placed between two positioning plates, then an air cylinder is started to drive the bending blocks to move downwards, the sheet metal parts can be extruded, preliminary bending can be conducted through the grooves until the workpiece moves into the negative angle forming groove, the two bending rollers can be driven to rotate, the bottom surface of the negative angle forming groove is parallel to the bottom surface of the grooves, negative angle forming can be conducted on the workpiece through extrusion of the bending rollers and the bending blocks, the negative angle forming operation can be completed at one time, and a tension spring is convenient for resetting the bending rollers.

By the preferred of above-mentioned arbitrary scheme, the arc wall has been seted up to the inner wall of recess, the inner wall fixedly connected with arc guide arm of arc wall, the surface sliding connection of arc guide arm has the arc, the inboard fixedly connected with cardboard of arc, the draw-in groove has been seted up to the surface of bending roller, the cardboard passes through draw-in groove and bending roller sliding connection. The bending roller is characterized in that a rotating shaft is fixedly connected to one side of the bending roller, a rotating hole is formed in one side of the forming table, the rotating shaft is rotationally connected with the forming table through the rotating hole, and the technical scheme has the advantages that when the bending roller is required to be disassembled and maintained, the assembling plate can be disassembled, the limiting wheel can be used for limiting the bending roller by the bending roller, then a tension spring is disassembled from a connecting pin, finally the bending roller can be rapidly pulled out from the inside of the embedded groove, and the bending roller can be rapidly disassembled.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

When sheet metal part carries out negative angle bending operation, can place the sheet metal part between two locating plates, open the cylinder later and make it drive the piece of bending down to move, can extrude the sheet metal part, can preliminary bending through the recess, until the work piece motion advances negative angle shaping inslot portion will drive two bending rollers and rotate, the bottom surface of negative angle shaping inslot can be parallel with the bottom surface of recess this moment, can carry out negative angle shaping to the work piece through the extrusion of bending roller and bending piece this moment, can once only accomplish negative angle shaping operation, the extension spring is convenient for make bending roller reset moreover, when need dismantle the maintenance to bending roller, can dismantle the package board, can release spacing of limiting wheel pair bending roller, dismantle the extension spring from the connecting pin later, can take out bending roller from the embedded groove is inside fast at last, can realize bending roller's quick dismantlement.

Drawings

FIG. 1 is a schematic view of a first state structure of an assembly of the present utility model;

FIG. 2 is a schematic view of a second state structure of the assembly of the present utility model;

FIG. 3 is a schematic view of a first view angle structure of the molding table of the present utility model;

FIG. 4 is a schematic view of a second view angle structure of the molding table of the present utility model;

Fig. 5 is a schematic structural view of the bending roller of the present utility model.

In the drawing, a base, a 2-supporting rod, a 3-top plate, a 4-cylinder, a 5-bending block, a 6-forming table, a 7-groove, an 8-embedded groove, a 9-bending roller, a 10-assembling plate, an 11-limiting wheel, a 12-positioning plate, a 13-connecting pin, a 14-tension spring, a 15-negative angle forming groove, a 16-arc groove, a 17-arc guide rod, a 18-arc plate, a 19-clamping plate, a 20-clamping groove, a 21-rotating shaft and a 22-rotating hole are arranged.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1 to 5, a disposable negative angle bending hardware mould comprises a base 1, the top surface fixedly connected with bracing piece 2 of base 1, the top fixedly connected with roof 3 of bracing piece 2, the top surface fixedly connected with cylinder 4 of roof 3, the output fixedly connected with piece 5 of bending of cylinder 4, the top surface fixedly connected with shaping platform 6 of base 1, recess 7 has been seted up to the top surface of shaping platform 6, recess 7 corresponds with piece 5 of bending, two embedded grooves 8 have been seted up to the inside of shaping platform 6, the inner wall of two embedded grooves 8 all rotates and is connected with bending roller 9, two bending roller 9 symmetric distributions are in the both sides of piece 5 of bending, one side of shaping platform 6 is through bolt fixed mounting assembly board 10, the inboard rotation of assembly board 10 is connected with spacing wheel 11, spacing wheel 11 and bending roller 9 sliding connection.

As an alternative technical scheme of the utility model, the top surface of the forming table 6 is fixedly connected with two positioning plates 12, and the two positioning plates 12 are symmetrically distributed on two sides of the bending block 5. The same side of the forming table 6 and the bending roller 9 is fixedly connected with a connecting pin 13, and a tension spring 14 is arranged between the two connecting pins 13. Negative angle shaping groove 15 has been seted up to one side of roller 9 of bending, negative angle shaping groove 15 equals with the inclination of piece 5 of bending, when the sheet metal component carries out the negative angle operation of bending, can place the sheet metal component between two locating plates 12, open cylinder 4 afterwards and make its drive piece 5 of bending move downwards, can extrude the sheet metal component, can carry out preliminary bending through recess 7, until the work piece motion advances negative angle shaping groove 15 inside will drive two rollers 9 of bending and rotate, the bottom surface of negative angle shaping groove 15 can be parallel with the bottom surface of recess 7 this moment, can carry out the negative angle shaping to the work piece through the extrusion of roller 9 and piece 5 of bending this moment.

As an alternative technical scheme of the utility model, an arc-shaped groove 16 is formed in the inner wall of the groove 7, an arc-shaped guide rod 17 is fixedly connected to the inner wall of the arc-shaped groove 16, an arc-shaped plate 18 is slidably connected to the outer surface of the arc-shaped guide rod 17, a clamping plate 19 is fixedly connected to the inner side of the arc-shaped plate 18, a clamping groove 20 is formed in the outer surface of the bending roller 9, and the clamping plate 19 is slidably connected with the bending roller 9 through the clamping groove 20. One side fixedly connected with axis of rotation 21 of roller 9 bends, and rotation hole 22 has been seted up to one side of shaping platform 6, and axis of rotation 21 rotates through rotation hole 22 and shaping platform 6 to be connected, when need dismantle the maintenance to roller 9 bends, can dismantle assembly plate 10, can release spacing wheel 11 to the spacing of roller 9 bends, dismantle extension spring 14 from connecting pin 13 afterwards, can take out roller 9 bends from embedded groove 8 inside fast at last.

A one-time negative angle bending hardware die has the following working principle:

1) When sheet metal parts need to be subjected to negative angle bending operation, the sheet metal parts can be placed between the two positioning plates 12, then the air cylinder 4 is started to drive the bending blocks 5 to move downwards, the sheet metal parts can be extruded, preliminary bending can be conducted through the grooves 7 until the workpiece moves into the negative angle forming grooves 15, the two bending rollers 9 can be driven to rotate, at the moment, the bottom surface of the negative angle forming grooves 15 is parallel to the bottom surface of the grooves 7, and at the moment, negative angle forming can be conducted on the workpiece through extrusion of the bending rollers 9 and the bending blocks 5.

2) When the bending roller 9 needs to be disassembled and maintained, the assembling plate 10 can be disassembled, the limit of the limiting wheel 11 to the bending roller 9 can be released, then the tension spring 14 is disassembled from the connecting pin 13, and finally the bending roller 9 can be rapidly pulled out from the embedded groove 8.

To sum up, this disposable negative angle bending hardware mould, when carrying out the sheet metal component and carrying out negative angle bending operation, can place the sheet metal component between two locating plates 12, then open cylinder 4 makes its drive bending piece 5 downwardly moving, can extrude the sheet metal component, can carry out preliminary bending through recess 7, until the work piece moves into negative angle shaping inslot 15 will drive two bending rollers 9 and rotate, the bottom surface of negative angle shaping inslot 15 can be parallel with the bottom surface of recess 7 this moment, can carry out negative angle shaping to the work piece through the extrusion of bending roller 9 and bending piece 5 this moment, can once only accomplish negative angle shaping operation, and extension spring 12 is convenient for make bending roller 9 reset, when need dismantle bending roller 9 and maintain, can dismantle assembly plate 10, can release limiting wheel 11 spacing to bending roller 9, follow connecting pin 13 with extension spring 14 and dismantle, finally can take bending roller 9 out from embedded groove 8 inside fast, can realize the quick dismantlement of bending roller 9.

Claims (6)

1. The utility model provides a disposable negative angle hardware mould of bending, includes base (1), the top surface fixedly connected with bracing piece (2) of base (1), the top fixedly connected with roof (3) of bracing piece (2), the top surface fixedly connected with cylinder (4) of roof (3), the output fixedly connected with of cylinder (4) bends piece (5), the top surface fixedly connected with shaping platform (6) of base (1), recess (7) have been seted up to the top surface of shaping platform (6), recess (7) are corresponding with bending piece (5), two embedded grooves (8) have been seted up to the inside of shaping platform (6), two the inner wall of embedded groove (8) all rotates and is connected with bending roller (9), two bending roller (9) symmetric distribution are in the both sides of bending piece (5), one side of shaping platform (6) is through bolt fixed mounting has group's board (10), the inboard rotation of group's board (10) is connected with spacing wheel (11), spacing wheel (11) and bending roller (9) sliding connection.

2. The disposable negative angle bending hardware die of claim 1, wherein the top surface of the forming table (6) is fixedly connected with two positioning plates (12), and the two positioning plates (12) are symmetrically distributed on two sides of the bending block (5).

3. The disposable negative angle bending hardware die of claim 2 is characterized in that connecting pins (13) are fixedly connected to the same side of the forming table (6) and the bending roller (9), and tension springs (14) are arranged between the two connecting pins (13).

4. The disposable negative angle bending hardware die set forth in claim 3, wherein a negative angle forming groove (15) is formed in one side of the bending roller (9), and the inclination angle of the negative angle forming groove (15) is equal to that of the bending block (5).

5. The disposable negative angle bending hardware die set forth in claim 4, wherein the inner wall of the groove (7) is provided with an arc groove (16), the inner wall of the arc groove (16) is fixedly connected with an arc guide rod (17), the outer surface of the arc guide rod (17) is slidably connected with an arc plate (18), the inner side of the arc plate (18) is fixedly connected with a clamping plate (19), the outer surface of the bending roller (9) is provided with a clamping groove (20), and the clamping plate (19) is slidably connected with the bending roller (9) through the clamping groove (20).

6. The disposable negative angle bending hardware die set forth in claim 5, wherein a rotating shaft (21) is fixedly connected to one side of the bending roller (9), a rotating hole (22) is formed in one side of the forming table (6), and the rotating shaft (21) is rotatably connected with the forming table (6) through the rotating hole (22).