CN212370895U - Elastic limiting device for numerical control bending machine - Google Patents

Abstract

The utility model discloses a numerical control is elasticity stop device for bender, including box, motor, lead screw, carousel and wind spring, the universal wheel is all installed to the four corners position department of box bottom, the both sides of box one end articulate there is the door plant, the motor is installed to the inside bottom of box, and the motor output end installs the first pivot that runs through the box top, and the outer wall of first pivot installs the carousel, the inside recess all has been seted up to the carousel, and the inside of recess is provided with first fixed block, the inside screw hole of having seted up of first fixed block, and the inside of screw hole is provided with the lead screw, the spacing groove has been seted up to the bottom of first fixed block. This numerical control is elasticity stop device for bender rotates the knob and drives the second pivot and rotate for the wind spring takes place to shrink in the dead slot, will install the stopper and insert to the spacing inslot after that, loosens the knob this moment, under the self elasticity effect of wind spring, thereby the second pivot drives the cam and presss from both sides tightly the installation piece.

Description

Elastic limiting device for numerical control bending machine

Technical Field

The utility model relates to a bender technical field specifically is an elasticity stop device for numerical control bender.

Background

The bender is a machine of bending to the sheet metal, and its structure includes support, grip block and workstation, and the kind of bender is many, is manual bender, numerical control bender and hydraulic bending machine respectively, and the bender is fit for socialization and carries out specialized production in batches greatly, and traditional elasticity stop device for numerical control bender can satisfy people's user demand basically, but still has certain problem, and specific problem is as follows:

1. at present, due to the fact that the mounting shell of most of elastic limiting devices for the numerical control bending machine in the market is difficult to disassemble, the working time of workers is prolonged, and the clamped positions are inconvenient to replace and clean;

2. most of the elastic limiting devices for the numerical control bending machine in the market can not clamp different thicknesses in a manual mode when clamping reinforcing steel bars with different thicknesses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control is elasticity stop device for bender to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a numerical control is elasticity stop device for bender, includes box, motor, lead screw, carousel and wind spring, the four corners position department of box bottom all installs the universal wheel, the both sides of box one end articulate there is the door plant, the motor is installed to the inside bottom of box, and the motor output end installs the first pivot that runs through the box top, and the outer wall of first pivot installs the carousel, the inside all set up a groove of carousel, and the inside of recess is provided with first fixed block, the inside set up screw hole of first fixed block, and the inside of screw hole is provided with the lead screw, spacing groove has been seted up to the bottom of first fixed block, the second fixed block is all installed to the outer wall of carousel.

Preferably, one side of the screw rod, which is close to the first rotating shaft, is provided with a rotation limiting block and a fixed limiting block respectively, and one side of the rotation limiting block and one side of the fixed limiting block, which is close to the first rotating shaft, are provided with elastic pieces.

Preferably, the handle is installed to the one side that the lead screw was kept away from and is rotated the stopper and fix the stopper, rotate stopper and fix the stopper both ends and install the slide bar that contacts with first fixed block.

Preferably, the limiting groove is internally provided with an installation limiting block penetrating through the groove, and one side of the installation limiting block is provided with an installation block.

Preferably, the inside of second fixed block has seted up the dead slot, and the inside of dead slot is provided with the second pivot, the inside cam that contacts with the installation piece that is provided with of second pivot.

Preferably, a rotating knob is installed on one side, away from the cam, of the second rotating shaft, and a coil spring in contact with the second fixing block is sleeved on the outer side of the second rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the second rotating shaft is driven to rotate by rotating the rotating knob through the second rotating shaft, the rotating knob and the limiting groove, so that the coil spring is contracted in the hollow groove, the mounting limiting block is inserted into the limiting groove, the rotating knob is loosened at the moment, and the second rotating shaft drives the cam to clamp the mounting block under the action of the self elasticity of the coil spring;

2. the device drives the lead screw and the threaded hole to be meshed and rotated by rotating the hand crank handles on the two sides through installing the lead screw, the lead screw is driven to move left and right through the slide bar, so that the rotating limiting block and the fixed limiting block are driven to move respectively, and workpieces with different thicknesses are clamped tightly through the elastic pieces.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic top sectional view of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a box body; 2. a motor; 3. a universal wheel; 4. a hand crank; 5. a screw rod; 6. a threaded hole; 7. rotating the limiting block; 8. a first rotating shaft; 9. fixing a limiting block; 10. a turntable; 11. a door panel; 12. a first fixed block; 13. a slide bar; 14. a cam; 15. a second rotating shaft; 16. mounting blocks; 17. turning; 18. installing a limiting block; 19. a limiting groove; 20. a groove; 21. a second fixed block; 22. a coil spring; 23. an empty groove; 24. an elastic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: an elastic limiting device for a numerical control bending machine comprises a box body 1, a motor 2, a screw rod 5, a rotary table 10 and a coil spring 22, wherein universal wheels 3 are mounted at four corners of the bottom end of the box body 1, door plates 11 are hinged to two sides of one end of the box body 1, the motor 2 is mounted at the bottom end of the interior of the box body 1, the type of the motor 2 can be 90SZ54, a first rotating shaft 8 penetrating through the top end of the box body 1 is mounted at the output end of the motor 2, the rotary table 10 is mounted on the outer wall of the first rotating shaft 8, grooves 20 are formed in the rotary table 10, first fixing blocks 12 are arranged in the grooves 20, threaded holes 6 are formed in the first fixing blocks 12, and the screw rod 5;

a rotating limiting block 7 and a fixed limiting block 9 are respectively arranged on one side of the screw rod 5 close to the first rotating shaft 8, elastic pieces 24 are respectively arranged on one sides of the rotating limiting block 7 and the fixed limiting block 9 close to the first rotating shaft 8, the workpiece is clamped through the rotating limiting block 7 and the fixed limiting block 9, the workpiece is possibly broken, and the workpiece can be prevented from being broken when being bent through the elastic pieces 24;

a hand crank 4 is arranged on one side of the screw rod 5, which is far away from the rotation limiting block 7 and the fixed limiting block 9, a sliding rod 13 which is in contact with a first fixing block 12 is arranged at two ends of the rotation limiting block 7 and the fixed limiting block 9, the hand crank 4 is held and rotated by an operator, so that the screw rod 5 is driven to rotate, and the screw rod 5 can move left and right through the sliding rod 13, so that workpieces with different thicknesses can be clamped conveniently;

the bottom end of the first fixing block 12 is provided with a limiting groove 19;

an installation limiting block 18 penetrating through the groove 20 is arranged in the limiting groove 19, an installation block 16 is installed on one side of the installation limiting block 18, the installation limiting block 18 is inserted into the limiting groove 19, so that the position of the first fixing block 12 is fixed, and then the cam 14 is tightly attached to the installation block 16, so that the position of the installation limiting block 18 is fixed;

the outer walls of the turntables 10 are provided with second fixed blocks 21;

an empty groove 23 is formed in the second fixing block 21, a second rotating shaft 15 is arranged in the empty groove 23, a cam 14 which is in contact with the mounting block 16 is arranged in the second rotating shaft 15, the second rotating shaft 15 is driven to rotate through a rotating knob 17, and therefore the cam 14 is driven by the second rotating shaft 15 to be in contact with the mounting block 16, and the position of the mounting limiting block 18 is convenient to fix through the structure;

the side of the second rotating shaft 15 far away from the cam 14 is provided with a rotary knob 17, the outer side of the second rotating shaft 15 is sleeved with a coil spring 22 which is in contact with a second fixed block 21, and by rotating the rotary knob 17, when the rotary knob 17 does not rotate, the second rotating shaft 15 is still limited by a hollow groove 23, so that the cam 14 is prevented from falling.

The working principle is as follows: when the elastic limiting device for the numerical control bending machine is used, firstly, an external power supply is switched on, an operator places a workpiece to be bent between the first rotating shaft 8 and the rotating limiting block 7, then holds the workpiece by hands and respectively rotates the hand crank 4 to drive the screw rod 5 to be meshed with the threaded hole 6 for rotation, so that the screw rod 5 moves leftwards and rightwards in the threaded hole 6 through the slide rod 13, further the rotating limiting block 7 and the fixed limiting block 9 are driven to clamp the position of the workpiece through the elastic sheet 24, then the motor 2 is started to drive the first rotating shaft 8 to rotate, so that the first rotating shaft 8 drives the rotating disc 10 to rotate, further the rotating disc 10 drives the first fixed block 12 to rotate, then the first fixed block 12 drives the reinforcing steel bars to bend, the structure is convenient for clamping reinforcing steel bars with different thicknesses, when the operator needs to detach the limiting device, the rotating knob 17 is held by hands and rotated, and then second pivot 15 drives coil spring 22 and takes place the constriction in dead slot 23 for cam 14 separates with installation piece 16, operating personnel will install stopper 18 and pull out from spacing groove 19 after that, extract first fixed block 12 after that, all can dismantle clamping device, when needing the installation, through inserting first fixed block 12 in recess 20, then rotate turn round 17 and drive coil spring 22 through second pivot 15 and take place the constriction, will install stopper 18 and insert in spacing groove 19 after that, loosen preceding pivoted turn round 17 this moment, drive cam 14 through coil spring 22 under self elasticity effect and press from both sides tightly installation piece 16, this structure is convenient for install and dismantle, above do the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a numerical control is elasticity stop device for bender, includes box (1), motor (2), lead screw (5), carousel (10) and coil spring (22), its characterized in that: the utility model discloses a motor cabinet, including box (1), motor (2), threaded hole (6) are seted up to the inside of first fixed block (12), and the inside of threaded hole (6) is provided with lead screw (5), spacing groove (19) have been seted up to the bottom of first fixed block (12), second fixed block (21) are all installed to the outer wall of carousel (10), the both sides of box (1) one end articulate there are door plant (11), motor (2) are installed to the inside bottom of box (1), and motor (2) output installs first pivot (8) that run through box (1) top, and the outer wall of first pivot (8) installs carousel (10), carousel (10) inside all sets up fluted (20), and the inside of recess (20) is provided with first fixed block (12), threaded hole (6) have been seted up to the inside of first fixed block (12).

2. The elastic limiting device for the numerical control bending machine according to claim 1, wherein: one side of the screw rod (5) close to the first rotating shaft (8) is respectively provided with a rotation limiting block (7) and a fixed limiting block (9), and one side of the rotation limiting block (7) and one side of the fixed limiting block (9) close to the first rotating shaft (8) are respectively provided with an elastic sheet (24).

3. The elastic limiting device for the numerical control bending machine according to claim 1, wherein: the utility model discloses a lead screw, including lead screw (5), rotation stopper (7) and fixed stopper (9), the one side of keeping away from rotation stopper (7) and fixed stopper (9) is installed hand crank (4), rotate stopper (7) and fixed stopper (9) both ends and install slide bar (13) that contact with first fixed block (12).

4. The elastic limiting device for the numerical control bending machine according to claim 1, wherein: the limiting groove (19) is internally provided with an installation limiting block (18) penetrating through the groove (20), and one side of the installation limiting block (18) is provided with an installation block (16).

5. The elastic limiting device for the numerical control bending machine according to claim 1, wherein: an empty groove (23) is formed in the second fixing block (21), a second rotating shaft (15) is arranged in the empty groove (23), and a cam (14) which is in contact with the mounting block (16) is arranged in the second rotating shaft (15).

6. The elastic limiting device for the numerical control bending machine according to claim 5, wherein: one side of the second rotating shaft (15) far away from the cam (14) is provided with a torque (17), and the outer side of the second rotating shaft (15) is sleeved with a coil spring (22) which is in contact with a second fixed block (21).

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