CN113399504A

CN113399504A - Bending machine

Info

Publication number: CN113399504A
Application number: CN202110430877.4A
Authority: CN
Inventors: 彭坤文; 谢文青; 熊光军; 何小龙; 史利; 熊佳明
Original assignee: Chengdu Sijida New Material Technology Co ltd
Current assignee: Chengdu Sijida New Material Technology Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-09-17

Abstract

The utility model relates to a bending machine, which comprises a bod, be provided with the workstation on the organism, the workstation top is provided with the bending sword, it has overhanging board to rotate on the workstation, the direction of the axis of rotation of overhanging board parallels with the length direction of bending sword, the outside of workstation is provided with turned angle stop device, turned angle stop device includes two semicircle protractors, the straight line border vertical direction of semicircle protractor links to each other with the workstation outside, the axis of rotation of overhanging board passes the centre of a circle of semicircle protractor, one side that two semicircle protractors are relative rotates respectively and is connected with the baffle, the axis of rotation of baffle passes the centre of a circle of semicircle protractor, be provided with the fastener that makes the baffle be fixed in the arbitrary angle of semicircle protractor on the semicircle protractor, the workstation outside rotates in overhanging board below and is connected with the cylinder, the piston rod of cylinder rotates with the lower surface of overhanging board mutually and is connected. This application has the effect that reduces operating personnel working strength.

Description

Bending machine

Technical Field

The application relates to the field of aluminum plate bending equipment, in particular to a bending machine.

Background

At present, a bending machine is a machine capable of bending a thin plate, particularly an aluminum single plate. In the related technology, two operators place an aluminum plate in a machine body of a bending machine, align a bending position of the aluminum plate to a bending knife, and bend the bending position of the aluminum plate through the bending knife; simultaneously, some aluminum plates that need be bent have seted up the dog-ear in its department of bending, and operating personnel places aluminum plate in the organism below of bender to make the dog-ear of seting up on the aluminum plate align with the sword of buckling, rethread dog-ear orientation dog-ear extrusion, make to accomplish after the both sides looks butt of dog-ear bending to aluminum plate.

In view of the above related technologies, the inventor believes that in the process of bending the aluminum plate, an operator is required to bend the aluminum plate, which increases the working strength of the operator.

Disclosure of Invention

In order to reduce operating personnel working strength, promote work efficiency, this application provides a bender.

The application provides a bender adopts following technical scheme:

a bending machine comprises a machine body, wherein a workbench is arranged on the machine body, a bending knife is arranged above the workbench, an overhanging plate is rotatably connected onto the workbench, the direction of the rotation axis of the overhanging plate is parallel to the length direction of the bending knife, a rotation angle limiting device is arranged on the outer side of the workbench and comprises two semicircular protractors which are respectively arranged along the length direction of the bending knife, an accommodating space of the overhanging plate is formed between the two semicircular protractors, the straight line edge of the semicircular protractors is connected with the outer side of the workbench along the vertical direction, the rotation axis of the overhanging plate penetrates through the circle centers of the semicircular protractors, one opposite sides of the two semicircular protractors are respectively and rotatably connected with a baffle, the rotation axis of the baffle penetrates through the circle centers of the semicircular protractors, and a fastening device which enables the baffle to be fixed at any angle of the semicircular protractors is arranged on the semicircular protractors, and an air cylinder is rotatably connected to the outer side of the workbench below the overhanging plate, and a piston rod of the air cylinder is rotatably connected with the lower surface of the overhanging plate.

By adopting the technical scheme, in the process of bending the aluminum plate, the baffle plate is rotated according to the angle of the aluminum plate to be bent according to the scale of the semicircular protractor, the baffle plate is rotated to the angle of the aluminum plate to be bent, the position of the baffle plate is fixed through the fastening device, the aluminum plate is placed on the extending plate, one end surface of the aluminum plate is abutted against the abutting plate in the machine body, the bent part of the aluminum plate is opposite to the bending knife, the bending knife moves towards the workbench and extrudes the bent part of the aluminum plate, the extending plate is pushed through the piston rod of the air cylinder, the extending plate drives the aluminum plate to rotate, the extending plate is abutted against the baffle plate in the process of being pushed by the air cylinder to rotate, under the blocking effect of the baffle plate, the extending plate drives the aluminum plate to be bent to the required angle, a worker is not required to bend the aluminum plate, and the working strength of an operator is reduced, the efficiency of aluminum plate of bending has been promoted.

Optionally, the fastening device includes a first screw rod and a fastening nut, the semicircular protractor is provided with an arc through groove inside along the arc length of the semicircular protractor, one end of the first screw rod is connected with the baffle, one end of the first screw rod passes through the arc through groove and is connected with the fastening nut, and the fastening nut is used for being abutted against the semicircular protractor.

Through adopting above-mentioned technical scheme, when needs are to rotating the baffle to the angle that aluminum plate needs buckle, unscrew fastening nut, can observe the scale on the semicircle protractor to drive the baffle through first screw rod and rotate to appointed angle, screw up fastening nut again, make fastening nut and semicircle protractor surface looks butt, thereby be convenient for rotate the baffle to the arbitrary angle of semicircle protractor when, fix the position of baffle.

Optionally, still be provided with fastening auxiliary device on the semicircle protractor, fastening auxiliary device includes second screw rod and wedge, a side that the semicircle protractor deviates from the baffle is provided with first even board along the sword length direction of buckling, a terminal surface that the semicircle protractor was kept away from to first board is provided with the second that parallels with the semicircle protractor and links the board, the second screw rod passes the second towards the semicircle protractor and links board and link board threaded connection with the second, the second screw rod passes the second towards the one end of semicircle protractor and links board and wedge rotation connection, the cross section of wedge is right angled triangle, the wedge reduces along the direction thickness of keeping away from the second screw rod gradually, the inclined plane of wedge is used for keeping away from baffle one end looks butt with first screw rod, a wedge plane and first link board looks butt.

By adopting the technical scheme, the possibility that the outer extending plate is pushed by the cylinder to collide with the baffle plate and then the baffle plate rotates can be further reduced by arranging the fastening auxiliary device, firstly, the baffle plate is rotated to the angle of the aluminum plate to be bent by observing the scales on the semicircular protractor, and is fixed by the fastening nut, then, the second screw rod is rotated, so that the wedge block moves towards the semicircular protractor under the abutting action of the first connecting plate, because the thickness of the wedge block is gradually reduced along the direction far away from the second screw rod, therefore, the wedge block can enter a gap between the first screw rod and the workbench, the wedge block and the first screw rod are enabled to be abutted against one end of the baffle, supporting force is further provided for the baffle, the baffle is effectively prevented from rotating after being impacted by the outer extending plate, and the accuracy of the bending angle of the aluminum plate is effectively prevented from being influenced.

Optionally, a sliding groove is formed in the outer side of the workbench along the length direction of the bending knife, the semicircular protractor is provided with a sliding block which is used for embedding the sliding groove and is in sliding connection with the sliding groove, and the sliding block is provided with a fastening screw rod which is used for being abutted against the inner wall of the sliding groove in a penetrating and threaded connection mode.

Through adopting above-mentioned technical scheme, when needs buckle to not unidimensional aluminum plate, according to aluminum plate's length, along the length direction of spout, slide to the semicircle protractor through the sliding fit of slider with the spout for form the space that holds aluminum plate between two semicircle protractors, and make the baffle can rotate the in-process at overhanging board and the looks butt of overhanging board, so that the interval of two semicircle protractors can the not unidimensional aluminum plate of adaptation.

Optionally, a fixing device for fixing the workpiece is arranged on the overhanging plate, the fixing device includes a vacuum pump and a vacuum chuck, the vacuum chuck is fixed on the overhanging plate, an opening of the vacuum chuck is upward and is flush with the surface of the overhanging plate, the vacuum chuck is connected with the vacuum pump through a connecting pipe, and the vacuum pump is fixed on the lower surface of the overhanging plate.

Through adopting above-mentioned technical scheme, place aluminum plate on overhanging board to with the internal butt of organism looks butt, make aluminum plate need buckle the department and buckle the sword and align, restart the vacuum pump, inhale aluminum plate tightly on overhanging board through vacuum chuck, thereby fix aluminum plate.

Optionally, the upper surface of the overhanging plate is embedded and rotatably connected with a plurality of balls.

Through adopting above-mentioned technical scheme, through being provided with the ball at overhanging board upper surface, the work piece of being convenient for moves or rotates after the completion of buckling.

Optionally, a first connecting block is arranged between the extending plate and the workbench, the extending plate is rotatably connected with the first connecting block, the first connecting block is detachably connected with the workbench, a second connecting block is arranged between the cylinder and the workbench, the cylinder is rotatably connected with the second connecting block, and the second connecting block is detachably connected with the workbench.

By adopting the technical scheme, when the aluminum plate is not required to be bent or the outer extending plate is not required to be used, the first connecting block, the second connecting block and the workbench are respectively disassembled, so that the outer extending plate and the cylinder can be conveniently disassembled; when the overhanging plate is needed to be used, the overhanging plate and the cylinder can be conveniently installed by connecting the first connecting block and the second connecting block with the workbench.

Optionally, the outer edge of the overhanging plate is provided with a profile light.

Through adopting above-mentioned technical scheme, be provided with at overhanging board through the setting and show the clearance lamp, the operating personnel of being convenient for observes overhanging board to hit overhanging board by mistake, cause personnel's injury.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the angle of the aluminum plate to be bent, the baffle plate is rotated through the scales of the semicircular protractor to the angle of the aluminum plate to be bent, the position of the baffle is fixed by a fastening device, an aluminum plate is placed on the outward extending plate, one end face of the aluminum plate is abutted against a butt plate in the machine body, the bending position of the aluminum plate is opposite to the bending knife, the bending knife extrudes the bent part of the aluminum plate by moving towards the workbench, and then the extending plate is pushed by the piston rod of the cylinder, so that the extending plate drives the aluminum plate to rotate, the extending plate is abutted against the baffle plate in the process of being pushed by the cylinder to rotate, under the blocking effect of the baffle plate, the outer extending plate drives the aluminum plate to be bent to a required angle, so that a worker does not need to bend the aluminum plate, the working strength of the operator is reduced, and the efficiency of bending the aluminum plate is improved;

2. through being provided with fastening auxiliary device, can further reduce overhanging board and baffle striking backplate emergence pivoted possibility under the promotion of cylinder, at first, through observing the scale on the semicircle protractor, rotate the baffle to the angle that aluminum plate need buckle, and fix the baffle through fastening nut, then, rotate the second screw rod again, make the wedge under the butt effect of first even board, move towards the semicircle protractor, because the wedge reduces along the direction thickness of keeping away from the second screw rod gradually, so the wedge can get into the clearance between first screw rod and the workstation, and make the wedge keep away from the one end looks butt of baffle with first screw rod, further provide the holding power for the baffle, effectively avoid the baffle to take place to rotate after being struck by overhanging board, effectively avoid influencing the accuracy nature of aluminum plate angle of buckling.

Drawings

Fig. 1 is a schematic overall structure diagram of a bending machine according to an embodiment of the application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a diagram showing the connection between the extension plate and the cylinder according to the embodiment of the present invention.

Description of reference numerals: 1. a body; 2. a work table; 3. a bending knife; 4. an overhang plate; 5. a semicircular protractor; 6. a baffle plate; 7. a fastening device; 71. a first screw; 72. fastening a nut; 8. a cylinder; 9. an arc-shaped through groove; 10. a fastening aid; 101. a second screw; 102. a wedge block; 11. a first connecting plate; 12. a second connecting plate; 13. a chute; 14. a slider; 15. fastening a screw rod; 16. a fixing device; 161. a vacuum pump; 162. a vacuum chuck; 163. connecting pipes; 17. a ball bearing; 18. a first connecting block; 19. a second connecting block; 20. marker lamp.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a bending machine. Combine fig. 1 and fig. 2, a bender includes organism 1, is provided with workstation 2 on the organism 1, and workstation 2 sets up along aluminum plate feeding direction and is used for the butt plate, and the butt plate is used for with aluminum plate feed end looks butt, and the aluminum plate of being convenient for need buckle the department and buckle sword 3 and align. A bending knife 3 is arranged above the workbench 2, and a hydraulic cylinder for driving the bending knife 3 to move towards the workbench 2 is arranged on the machine body 1. The workbench 2 is detachably connected with a first connecting plate 11 (see fig. 3) at equal intervals along the length direction of the bending knife 3 through bolts, one side of the first connecting plate 11, which is far away from the workbench 2, is rotatably connected with an extending plate 4 through a hinge, and the direction of the rotating axis of the extending plate 4 is parallel to the length direction of the bending knife 3. When the overhanging plate 4 rotates to a position where the upper surface of the workbench 2 is parallel to each other, the upper surface of the overhanging plate 4 is parallel to the upper surface of the workbench 2, and a plurality of balls 17 which are convenient for the movement or rotation of the aluminum plate are embedded and rotatably connected in the upper surface of the overhanging plate 4.

Referring to fig. 1 and 2, a rotation angle limiting device is disposed on an outer side of the working table 2, the rotation angle limiting device includes two semicircular protractors 5 respectively disposed along a length direction of the bending knife 3, and an accommodating space of the extension plate 4 is formed between the two semicircular protractors 5. The slide groove 13 has been seted up along the length direction of the sword 3 of buckling in the workstation 2 outside, and every semicircle protractor 5 welding has the slider 14 that is used for embedded spout 13 and with spout 13 looks sliding connection, and in this embodiment, slider 14 is the forked tail piece, and spout 13 is the dovetail, wears to establish and threaded connection has the fastening screw 15 that is used for with spout 13 inner wall looks butt on the slider 14. Simultaneously, the axis of rotation of overhanging plate 4 passes the centre of a circle of semicircle protractor 5, and overhanging plate 4 is the expansion plate, and overhanging plate 4 wears to be equipped with the extension board along the activity of the both sides of 3 length direction of sword of buckling for overhanging plate 4 can the not aluminum plate of equidimension of adaptation.

Referring to fig. 1 and 2, the opposite sides of the two semicircular protractors 5 are respectively connected with a baffle 6 in a rotating manner through a connecting rod, and the rotating axis of the baffle 6 passes through the circle centers of the semicircular protractors 5. The semicircular protractor 5 is provided with a fastening device 7 for fixing the baffle 6 to the semicircular protractor 5 at any angle, and the fastening device 7 comprises a first screw rod 71 and a fastening nut 72. The semicircular protractor 5 is internally provided with an arc through groove 9 along the arc length of the semicircular protractor 5. One end of the first screw rod 71 is welded with the baffle 6, one end of the first screw rod 71 penetrates through the arc-shaped through groove 9 and is in threaded connection with the fastening nut 72, and the fastening nut 72 is used for abutting against the semicircular protractor 5. The outer side of the workbench 2 is detachably connected with a second connecting block 19 below the extending plate 4 through a bolt, one side of the second connecting block 19, which is far away from the workbench 2, is rotatably connected with a cylinder 8 through a hinge, and the rotating axis of the cylinder 8, which is rotatably connected with the workbench 2, is parallel to the rotating axis of the extending plate 4. The piston rod of the cylinder 8 is rotatably connected with the lower surface of the extending plate 4 through a hinge, and the rotating axis of the piston rod of the cylinder 8 rotatably connected with the extending plate 4 is parallel to the rotating axis of the extending plate 4.

With reference to fig. 1 and 2, the semicircular protractor 5 is further provided with a fastening auxiliary device 10, and the fastening auxiliary device 10 includes a second screw 101 and a wedge block 102. One side of the semicircular protractor 5 departing from the baffle 6 is welded with a first connecting plate 11 along the length direction of the bending knife 3, and one end face of the first connecting plate 11 far away from the semicircular protractor 5 is welded with a second connecting plate 12 parallel to the semicircular protractor 5. The second screw 101 passes through the second connecting plate 12 towards the semicircular protractor 5 and is in threaded connection with the second connecting plate 12, and one end of the second screw 101, which faces towards the semicircular protractor 5, passes through the second connecting plate 12 and is in rotational connection with the wedge block 102 through a bearing. The cross section of the wedge block 102 is a right triangle, the thickness of the wedge block 102 is gradually reduced along the direction away from the second screw 101, and the wedge block 102 is positioned in the gap between the first screw 71 and the workbench 2. The inclined surface of the wedge block 102 is used for abutting against one end of the first screw rod 71 away from the baffle 6, and a plane of the wedge block 102 is closely attached to the first connecting plate 11.

Referring to fig. 1 and 3, the outer edge of the overhang plate 4 is provided with a ring of outline marker lights 20, which facilitate the operator to observe the overhang plate 4 so as to avoid hitting the overhang plate 4 by mistake. The overhang plate 4 is provided with a fixing device 16 for fixing a workpiece, and the fixing device 16 includes a vacuum pump 161 and a vacuum chuck 162. The overhanging plate 4 is provided with 6 through holes in a penetrating manner, the vacuum chuck 162 is embedded and fixed in the through holes of the overhanging plate 4, and the opening of the vacuum chuck 162 is upward and is flush with the surface of the overhanging plate 4. The vacuum chuck 162 is connected to a vacuum pump 161 through a connecting pipe 163, and the vacuum pump 161 is fixed to the lower surface of the overhang plate 4 by bolts.

The implementation principle of the bending machine in the embodiment of the application is as follows: in the process of bending the aluminum plate, the baffle 6 is rotated through the first screw 71 according to the scales on the semicircular protractor 5, the baffle 6 is rotated to the angle of bending the aluminum plate, and the fastening nut 72 is screwed up, so that the fastening nut 72 is tightly attached to the semicircular protractor 5, and the position of the baffle 6 is fixed. The second screw 101 is rotated again, so that the wedge block 102 moves towards the semicircular protractor 5 under the abutting action of the first connecting plate 11. Because the thickness of the wedge block 102 is gradually reduced in the direction away from the second screw 101, the wedge block 102 can enter the gap between the first screw 71 and the workbench 2, and the wedge block 102 is abutted against one end of the first screw 71 away from the baffle 6, so as to further provide a supporting force for the baffle 6.

And then, an aluminum plate is placed on the outward extending plate 4, one end face of the aluminum plate is abutted against the butt plate in the machine body 1, and the bending part of the aluminum plate is opposite to the bending knife 3. The vacuum pump 161 is then started to suck the aluminum plate tightly against the overhang plate 4 by the vacuum chuck 162, thereby fixing the aluminum plate. Move towards workstation 2 through bending sword 3, bending sword 3 is buckled the department extrusion to aluminum plate, promotes overhanging plate 4 through the piston rod of cylinder 8 again for overhanging plate 4 drives aluminum plate and rotates, and overhanging plate 4 is promoted by cylinder 8 and is carried out pivoted in-process and baffle 6 looks butt, and under the effect that stops of baffle 6, overhanging plate 4 drives aluminum plate and bends the angle that needs.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bending machine, includes organism (1), be provided with workstation (2) on organism (1), workstation (2) top is provided with bending knife (3), its characterized in that: the rotary angle measuring and adjusting device is characterized in that an extending plate (4) is rotatably connected to the workbench (2), the direction of the rotary axis of the extending plate (4) is parallel to the length direction of the bending knife (3), a rotary angle limiting device is arranged on the outer side of the workbench (2), the rotary angle limiting device comprises two semicircular protractors (5) which are respectively arranged along the length direction of the bending knife (3), an accommodating space of the extending plate (4) is formed between the two semicircular protractors (5), the straight line edges of the semicircular protractors (5) are connected with the outer side of the workbench (2) in the vertical direction, the rotary axis of the extending plate (4) penetrates through the circle center of the semicircular protractors (5), one opposite sides of the two semicircular protractors (5) are respectively rotatably connected with a baffle (6), and the rotary axis of the baffle (6) penetrates through the circle center of the semicircular protractors (5), the semicircular protractor (5) is provided with a fastening device (7) which enables the baffle (6) to be fixed at any angle of the semicircular protractor (5), the outer side of the workbench (2) is rotatably connected with an air cylinder (8) below the extending plate (4), and a piston rod of the air cylinder (8) is rotatably connected with the lower surface of the extending plate (4).

2. Machine according to claim 1, characterized in that: fastener (7) include first screw rod (71) and fastening nut (72), semicircle protractor (5) have seted up arc through groove (9) along semicircle protractor (5) arc length setting in its inside, first screw rod (71) one end links to each other with baffle (6), first screw rod (71) one end is passed arc through groove (9) and is linked to each other with fastening nut (72), fastening nut (72) are used for with semicircle protractor (5) looks butt.

3. Machine according to claim 1, characterized in that: still be provided with fastening auxiliary device (10) on semicircle protractor (5), fastening auxiliary device (10) include second screw rod (101) and wedge (102), a side that semicircle protractor (5) deviate from baffle (6) is provided with first even board (11) along bending sword (3) length direction, the terminal surface that semicircle protractor (5) were kept away from in first even board (11) is provided with second even board (12) that parallels with semicircle protractor (5), second screw rod (101) pass second even board (12) and with second even board (12) threaded connection towards semicircle protractor (5), second screw rod (101) pass second even board (12) and be connected with wedge (102) rotation towards the one end of semicircle protractor (5), the cross section of wedge (102) is right angled triangle, wedge (102) reduce along the direction thickness of keeping away from second screw rod (101) gradually, the inclined surface of the wedge-shaped block (102) is used for being abutted against one end, far away from the baffle (6), of the first screw rod (71), and one plane of the wedge-shaped block (102) is abutted against the first connecting plate (11).

4. Machine according to claim 1, characterized in that: the length direction of workstation (2) outside along bending sword (3) is provided with spout (13), semicircle protractor (5) are provided with and are used for embedded spout (13) and with spout (13) looks sliding connection's slider (14), wear to establish and threaded connection has fastening screw (15) that are used for with spout (13) inner wall looks butt on slider (14).

5. Machine according to claim 1, characterized in that: the outer extending plate (4) is provided with a fixing device (16) used for fixing a workpiece, the fixing device (16) comprises a vacuum pump (161) and a vacuum chuck (162), the vacuum chuck (162) is fixed on the outer extending plate (4), an opening of the vacuum chuck (162) faces upwards and is flush with the surface of the outer extending plate (4), the vacuum chuck (162) is connected with the vacuum pump (161) through a connecting pipe (163), and the vacuum pump (161) is fixed on the lower surface of the outer extending plate (4).

6. Machine according to claim 1, characterized in that: the upper surface of the overhanging plate (4) is embedded and rotationally connected with a plurality of balls (17).

7. Machine according to claim 1, characterized in that: it links piece (18) to be provided with first between overhanging plate (4) and workstation (2), overhanging plate (4) and first even piece (18) rotate to be connected, first even piece (18) can be dismantled with workstation (2) and be connected, be provided with second even piece (19) between cylinder (8) and workstation (2), cylinder (8) link piece (19) with the second and rotate to be connected, the second links piece (19) and can dismantle with workstation (2) and be connected.

8. Machine according to claim 1, characterized in that: the outer edge of the overhanging plate (4) is provided with a profile indicating lamp (20).