CN216540566U

CN216540566U - Numerical control bending center sheet material clamping mechanism

Info

Publication number: CN216540566U
Application number: CN202220008595.5U
Authority: CN
Inventors: 金尔江; 陈陈; 宣文学
Original assignee: Feidong Jinyu Electromechanical Equipment Co ltd
Current assignee: Feidong Jinyu Electromechanical Equipment Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-05-17
Anticipated expiration: 2032-01-04

Abstract

The utility model discloses a numerical control bending center plate clamping mechanism, which comprises a rack and a driving assembly arranged on the rack, wherein a sliding plate is movably arranged on the back surface of the rack, the driving assembly is used for driving the sliding plate to vertically move, two opposite hinge lug seats are fixedly arranged on one side of the rack, a rotating frame is rotatably arranged between the two hinge lug seats, one end of the rotating frame penetrates through one hinge lug seat and is fixedly connected with a supporting plate, a pulley is arranged at the other end of the supporting plate, the driving assembly drives the sliding plate to vertically move, the slidably arranged pulley drives the supporting plate to turn over, so that the rotating supporting plate drives the fixedly connected rotating frame to rotate along the two hinge lug seats, the turning over of the clamping mechanism is further realized, the rotation of a lead screw drives a sleeve sleeved on the surface to vertically move, under the elastic extrusion of a pressure spring, the guide rod inserted at the bottom end of the sleeve can buffer and extrude the plate, so that the clamped plate can be well protected.

Description

Numerical control bending center sheet material clamping mechanism

Technical Field

The utility model relates to the technical field of numerical control machining, in particular to a numerical control bending center plate clamping mechanism.

Background

The bending processing of the metal plate belongs to one of sheet metal processes, and the sheet metal can be folded, bent and the like according to the designed size and shape. The numerical control bending machine has widely replaced manual bending and ordinary bending machines in life, and can be used for bending plates of different sizes in various ways.

Most of the traditional bending machines directly clamp and fix the plate when the plate is machined, so that the surface of the clamped plate is easily damaged, the central plate is inconvenient to stably protect, defective products of the plate are increased, and the use requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a numerical control bending center plate clamping mechanism to solve the technical problem that a center plate can be stably protected in the background.

In order to achieve the purpose, the utility model provides the following technical scheme: a numerical control bending center plate clamping mechanism comprises a rack and a driving assembly arranged on the rack, wherein a sliding plate is movably arranged on the back of the rack, the driving assembly is used for driving the sliding plate to vertically move, two opposite hinge lug seats are fixedly arranged on one side of the rack, a rotating frame is rotatably arranged between the two hinge lug seats, one end of the rotating frame penetrates through one of the hinge lug seats and is fixedly connected with a supporting plate, a pulley is arranged at the other end of the supporting plate, the pulley is slidably arranged on the sliding plate, a lead screw is vertically arranged in the rotating frame, a sleeve is sleeved on the outer surface thread at the bottom end of the lead screw, a cushion block is fixedly arranged in the sleeve, a pressure spring is connected to the bottom end of the cushion block, a guide rod is arranged at one end of the pressure spring, which is far away from the cushion block, the guide rod is slidably inserted in the sleeve, and a second fixed block is arranged at the bottom end of the guide rod, one end of the second fixing block, which is far away from the guide rod, is detachably provided with a pressing plate.

Preferably, the driving assembly comprises an air cylinder, the air cylinder is fixedly arranged on the inner wall of one side of the rack, a piston rod of the output end of the air cylinder is fixedly connected with a first fixed block, one side of the first fixed block is fixedly connected with the corresponding side of the top end of the sliding plate, one side of the rack far away from the air cylinder is provided with two sliding rails which are parallel relatively, two sliding rails are arranged on the two sliding rails in a sliding manner, and one ends of the two sliding rails far away from the air cylinder are fixedly connected with the corresponding ends of the sliding plate.

Preferably, a fastening bolt is inserted into one side of the sliding plate, which is opposite to the rack, a plurality of screw holes matched with the fastening bolt are formed in the surface of the rail body of the sliding rail, and a through hole matched with the pulley is formed in the sliding plate.

Preferably, a stepping motor is fixedly arranged on one side of the rotating frame, a main belt wheel is fixedly connected to the output end of the stepping motor, a secondary belt wheel is fixedly connected to the top end of the screw rod and penetrates through the rotating frame, and the secondary belt wheel is connected with the main belt wheel through a belt in a transmission mode.

Preferably, a clamping piece is sleeved on the outer surface of the sleeve, and the clamping piece is arranged at the bottom end of the rotating frame.

Preferably, the pressure plate is in threaded connection with the second fixed block through a screw.

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

1. drive slide vertical movement through drive assembly, can make slidable mounting's pulley drive the extension board and overturn to make pivoted extension board drive fixed connection's commentaries on classics frame and rotate along between two hinge lug seats, and then realize the upset to clamping mechanism, the rotation of lead screw drives the sleeve pipe vertical movement that the surface cup jointed, under the elastic extrusion of pressure spring, can make the guide arm of sleeve pipe bottom grafting cushion the extrusion to the panel veneer, is convenient for carry out good protection to the panel veneer of centre gripping.

2. The clamp that sets up is used for carrying out the centre gripping to the sleeve pipe that removes, can prevent the surface of sleeve pipe roll-off lead screw, and threaded connection's clamp plate is convenient to be dismantled it, is convenient for extrude the clamp tightly to the sheet material of different specifications.

Drawings

Fig. 1 is a schematic structural diagram of the numerical control bending center plate clamping mechanism of the utility model.

Fig. 2 is a schematic structural view of the numerical control bending center plate clamping mechanism of the utility model at another view angle.

Fig. 3 is a partially cut-away view of the sleeve of fig. 1.

In the figure: 1. a frame; 11. a slide rail; 12. a slider; 13. a cylinder; 14. a slide plate; 141. a through hole; 15. a first fixed block; 16. a hinge lug seat; 161. a support plate; 162. a pulley; 17. fastening a bolt; 2. a stepping motor; 21. a primary pulley; 22. a secondary pulley; 23. frame turning; 24. a sleeve; 241. a pressure spring; 242. cushion blocks; 25. a screw rod; 26. a clamp; 27. a guide bar; 28. a second fixed block; 29. and (7) pressing a plate.

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. 1-3, the present invention provides a technical solution: a numerical control bending center plate clamping mechanism comprises a rack 1 and a driving assembly arranged on the rack 1, wherein a sliding plate 14 is movably arranged on the back of the rack 1, the driving assembly is used for driving the sliding plate 14 to vertically move, two opposite hinge lug seats 16 are fixedly arranged on one side of the rack 1, a rotating frame 23 is rotatably arranged between the two hinge lug seats 16, one end of the rotating frame 23 penetrates through one hinge lug seat 16 and is fixedly connected with a support plate 161, the other end of the support plate 161 is provided with a pulley 162, the pulley 162 is slidably arranged on the sliding plate 14, a screw rod 25 is vertically arranged in the rotating frame 23, a sleeve 24 is sleeved on the outer surface thread at the bottom end of the screw rod 25, a cushion block 242 is fixedly arranged in the sleeve 24, the bottom end of the cushion block 242 is connected with a pressure spring 241, a guide rod 27 is arranged at one end of the pressure spring 241 far away from the cushion block 242, the guide rod 27 is slidably inserted in the sleeve 24, and a second fixing block 28 is arranged at the bottom end of the guide rod 27, one end demountable installation that guide arm 27 was kept away from to second fixed block 28 has clamp plate 29, drive slide 14 vertical movement through drive assembly, can make slidable mounting's pulley 162 drive extension board 161 overturn, thereby make pivoted extension board 161 drive fixed connection's revolving frame 23 rotate along between two hinge ear seats 16, and then realize the upset to clamping mechanism, the both ends of sleeve pipe 24 all communicate with each other, drive lead screw 25 rotates, drive the sleeve pipe 24 vertical movement that the bottom screw thread cup jointed, the sleeve pipe 24 that moves drives the cushion 242 of its inner wall, under the elastic extrusion of pressure spring 241, can make the guide arm 27 material of sleeve pipe 24 bottom grafting cushion the extrusion, be convenient for carry out good protection to the sheet material of centre gripping.

The drive assembly includes cylinder 13, cylinder 13 is fixed to be settled on one side inner wall of frame 1, the first fixed block 15 of piston rod fixedly connected with of cylinder 13 output, one side of first fixed block 15 and the corresponding one side fixed connection on slide 14 top, one side that cylinder 13 was kept away from to frame 1 is provided with two slide rails 11 that are parallel relatively, it has slider 12 all to slide to settle on two slide rails 11, the one end that cylinder 13 was kept away from to two slider 12 all with slide 14's corresponding one end fixed connection, through driving cylinder 13, the piston rod that makes its output drives the vertical removal of first fixed block 15 of fixed connection, thereby drive fixed connection's slide 14, and then drive slider 12 and move on synchronous along slide rail 11, be convenient for realize the vertical steady removal of slide 14.

Slide 14 is equipped with fastening bolt 17 with one side of frame 1 of the back of the body inserted, a plurality of and fastening bolt 17 matched with screw have been seted up on the rail body surface of slide rail 11, and seted up on slide 14 with pulley 162 matched with through-hole 141, one side top of slide 14 is the arc structure, be convenient for reduce slide 14 self gravity, establish in the screw through inserting fastening bolt 17, be convenient for fix inoperative clamping mechanism, make it stably settle one side in frame 1, drive slide 14 vertical migration, make pulley 162 remove half a week along through-hole 141 inner wall, be convenient for drive extension board 161 carries out ninety degrees upsets.

One side of the rotating frame 23 is fixedly provided with the stepping motor 2, the output end of the stepping motor 2 is fixedly connected with the main belt wheel 21, the top end of the screw rod 25 penetrates through the rotating frame 23 and is fixedly connected with the auxiliary belt wheel 22, the auxiliary belt wheel 22 is connected with the main belt wheel 21 through a belt in a transmission way, the output end of the screw rod is driven to drive the main belt wheel 21 to rotate by driving the stepping motor 2, the auxiliary belt wheel 22 is driven to rotate conveniently under the transmission cooperation of the belt, and then the screw rod 25 of the fixed connection is driven to synchronously rotate, and power is provided for the vertical movement of the clamping mechanism.

The outer surface of the sleeve 24 is sleeved with a clamping piece 26, the clamping piece 26 is arranged at the bottom end of the rotating frame 23, and the clamping piece 26 is arranged for clamping the moving sleeve 24 and can prevent the sleeve 24 from sliding out of the surface of the screw rod 25.

The pressing plate 29 is in threaded connection with the second fixing block 28 through screws, and the pressing plate 29 in threaded connection is convenient to disassemble and squeeze and clamp plate materials of different specifications.

The working principle is as follows: when the utility model is used, firstly, the piston rod at the output end of the driving cylinder 13 drives the first fixed block 15 which is fixedly connected to vertically move through the driving cylinder 13, so as to drive the sliding plate 14 which is fixedly connected to be driven, further, the sliding block 12 is driven to synchronously move along the sliding rail 11, so as to conveniently realize the vertical stable movement of the sliding plate 14, the sliding plate 14 is driven to vertically move, the pulley 162 moves for half a circle along the inner wall of the through hole 141, so as to conveniently drive the supporting plate 161 to perform ninety-degree turning, so that the rotating supporting plate 161 drives the fixedly connected rotating frame 23 to rotate along the two hinge lug seats 16, further, the turning of the clamping mechanism is realized, the clamping mechanism which is in a horizontal state at first is conveniently vertically rotated, so as to conveniently clamp a subsequent plate, then, the output end of the driving cylinder drives the main belt wheel 21 to rotate through the driving stepping motor 2, so as to conveniently drive the auxiliary belt wheel 22 to rotate under the transmission coordination of the belt, and then the screw rod 25 which is fixedly connected is driven to synchronously rotate, the screw rod 25 is driven to rotate, the sleeve 24 which is in threaded sleeve joint at the bottom end is driven to vertically move, the moving sleeve 24 drives the cushion block 242 on the inner wall of the sleeve, and the guide rod 27 which is inserted at the bottom end of the sleeve 24 can buffer and extrude the plate under the elastic extrusion of the pressure spring 241, so that the clamped plate can be well protected.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The numerical control bending center plate clamping mechanism is characterized by comprising a rack (1) and a driving assembly mounted on the rack (1), wherein a sliding plate (14) is movably mounted on the back of the rack (1), the driving assembly is used for driving the sliding plate (14) to vertically move, two opposite hinge lug seats (16) are fixedly arranged on one side of the rack (1), a rotating frame (23) is rotatably arranged between the hinge lug seats (16), one end of the rotating frame (23) penetrates through one of the hinge lug seats (16) and is fixedly connected with a support plate (161), a pulley (162) is arranged at the other end of the support plate (161), the pulley (162) is slidably mounted on the sliding plate (14), a lead screw (25) is vertically arranged in the rotating frame (23), and a sleeve (24) is sleeved on the outer surface of the bottom end of the lead screw (25), sleeve pipe (24) internal fixation is provided with cushion (242), the bottom of cushion (242) is connected with pressure spring (241), keep away from pressure spring (241) the one end of cushion (242) is equipped with guide arm (27), just guide arm (27) slide and insert and establish in sleeve pipe (24), the bottom of guide arm (27) is equipped with second fixed block (28), keep away from second fixed block (28) the one end demountable installation of guide arm (27) has clamp plate (29).

2. The numerical control bending center plate clamping mechanism according to claim 1, characterized in that: the driving assembly comprises a cylinder (13), the cylinder (13) is fixedly arranged on the inner wall of one side of the rack (1), a first fixing block (15) is fixedly connected to a piston rod of the output end of the cylinder (13), one side of the first fixing block (15) is fixedly connected to one corresponding side of the top end of the sliding plate (14), two sliding rails (11) which are parallel to each other are arranged on one side, far away from the cylinder (13), of the rack (1), sliding blocks (12) are arranged on the two sliding rails (11) in a sliding mode, and one ends, far away from the cylinder (13), of the two sliding blocks (12) are fixedly connected with corresponding ends of the sliding plate (14).

3. The numerical control bending center plate clamping mechanism according to claim 2, characterized in that: fastening bolts (17) are inserted on one side of the sliding plate (14) back to the frame (1), a plurality of screw holes matched with the fastening bolts (17) are formed in the surface of the rail body of the sliding rail (11), and through holes (141) matched with the pulleys (162) are formed in the sliding plate (14).

4. The numerical control bending center plate clamping mechanism according to claim 1, characterized in that: a stepping motor (2) is fixedly arranged on one side of the rotating frame (23), the output end of the stepping motor (2) is fixedly connected with a main belt wheel (21), the top end of the screw rod (25) penetrates through the rotating frame (23) and is fixedly connected with a secondary belt wheel (22), and the secondary belt wheel (22) is connected with the main belt wheel (21) through belt transmission.

5. The numerical control bending center plate clamping mechanism according to claim 1, characterized in that: the outer surface of the sleeve (24) is sleeved with a clamping piece (26), and the clamping piece (26) is arranged at the bottom end of the rotating frame (23).

6. The numerical control bending center plate clamping mechanism according to claim 1, characterized in that: the pressure plate (29) is in threaded connection with the second fixing block (28) through a screw.