阅读说明：本技术 一种用于折弯机的自动送料结构以及送料方法 (Automatic feeding structure and feeding method for bending machine ) 是由 傅浩 于 2019-11-02 设计创作，主要内容包括：本发明公开了一种用于折弯机的自动送料结构以及送料方法,属于折弯机配套领域,包括折弯机本体、安装架、轴承、送料轴、送料架、滑轨、滑块、连接杆、电动伸缩缸、钢板夹持结构、顶升轮。发明通过可转动的送料轴,在折弯机本体对钢板就行折弯时,送料架可以随着钢板转动,进而实现利用钢板夹持结构对钢板进行夹持,利用电动伸缩缸可带动滑块向前移动,进而带动钢板向前移动,当移动到折弯位置时停止移动折弯机本体开始折弯,本进料结构可带动钢板进行多次折弯,进而节省了工作人员劳动强度。(The invention discloses an automatic feeding structure and a feeding method for a bending machine, belongs to the field of matching of bending machines, and comprises a bending machine body, an installation frame, a bearing, a feeding shaft, a feeding frame, a sliding rail, a sliding block, a connecting rod, an electric telescopic cylinder, a steel plate clamping structure and a jacking wheel. According to the feeding device, the feeding frame can rotate along with the steel plate when the bending machine body bends the steel plate, so that the steel plate can be clamped by the steel plate clamping structure, the sliding block can be driven to move forwards by the electric telescopic cylinder, the steel plate is driven to move forwards, the bending machine body stops moving when the bending position is reached, the bending machine body starts to bend, the feeding structure can drive the steel plate to bend for multiple times, and the labor intensity of workers is further saved.)

1. An automatic feeding structure for a bending machine comprises a bending machine body (1), an installation frame (2), a bearing (3), a feeding shaft (4), a feeding frame (5), a sliding rail (6), a sliding block (7), a connecting rod (8), an electric telescopic cylinder (9), a steel plate clamping structure and a jacking wheel (10), wherein the installation frame (2) is installed on the bending machine body (1);

the bending machine is characterized in that the two bearings (3) are mounted on the mounting frame (2) and located on two sides of a press-fit die of the bending machine body (1) respectively, the two feeding shafts (4) are mounted on the two bearings (3) in a plug-in manner respectively, two ends of the feeding frame (5) are mounted on the feeding shafts (4) and located on the feeding side of the press-fit die of the bending machine body (1), the two sliding rails (6) are symmetrically mounted on the sliding frame, the sliding blocks (7) are mounted on the sliding rails (6) in a sliding manner, the connecting rod (8) is mounted between the two sliding blocks (7) and connected with the sliding blocks (7), the electric telescopic cylinder (9) is mounted on the sliding blocks (7), the steel plate clamping structure is arranged on the sliding blocks (7), and the jacking wheel (10) is mounted on the mounting frame (2) and located.

2. The autoloading structure for bending machines according to claim 1, wherein the steel plate clamping structure comprises a clamping groove (11), a clamping screw (12), and a clamping head (13), the clamping groove (11) is opened at the inner side of the slide block (7), the clamping screw (12) is screwed and inserted on the slide block (7) and penetrates through the slide block (7) to enter the clamping groove (11), and the clamping head (13) is rotatably installed at the lower end of the clamping screw (12).

3. The autoloading structure for bending machines as set forth in claim 2, wherein the lower surface of the clamping groove (11) is of a rubber structure, and the lower surface of the clamping head (13) is of a rubber structure.

4. The autoloading structure for bending machines according to claim 1, characterized in that a stay cord displacement sensor (14) is provided on the electric telescopic cylinder (9), and the stay cord displacement sensor (14) is installed on the electric telescopic cylinder (9) and the cord end thereof is connected with the telescopic end of the electric telescopic cylinder (9).

5. The autoloading structure for bending machines according to claim 1, characterized in that, be equipped with jacking pneumatic cylinder (15) on jacking wheel (10), the flexible end of jacking pneumatic cylinder (15) is installed on jacking wheel (10) and its lower extreme is installed on mounting bracket (2).

6. The automatic feeding method of the bending machine is characterized by comprising a bending machine body (1), an installation frame (2), a bearing (3), a feeding shaft (4), a feeding frame (5), a sliding rail (6), a sliding block (7), a connecting rod (8), an electric telescopic cylinder (9), a steel plate clamping structure and a jacking wheel (10), wherein the installation frame (2) is installed on the bending machine body (1);

the two bearings (3) are mounted on the mounting frame (2) and are respectively located on two sides of a press-fit die of the bending machine body (1), the two feeding shafts (4) are respectively mounted on the two bearings (3) in an inserted mode, two ends of the feeding frame (5) are mounted on the feeding shafts (4) and located on the feeding side of the press-fit die of the bending machine body (1), the two sliding rails (6) are symmetrically mounted on the sliding frame, the sliding blocks (7) are slidably mounted on the sliding rails (6), the connecting rod (8) is mounted between the two sliding blocks (7) and connected with the sliding blocks (7), the electric telescopic cylinder (9) is mounted on the sliding blocks (7), the steel plate clamping structure is arranged on the sliding blocks (7), and the jacking wheel (10) is mounted on the mounting frame (2) and located below the feeding frame (5);

the steel plate clamping structure comprises a clamping groove (11), a clamping screw rod (12) and a clamping head (13), wherein the clamping groove (11) is formed in the inner side of a sliding block (7), the clamping screw rod (12) is screwed and inserted on the sliding block (7) and penetrates through the sliding block (7) to enter the clamping groove (11), and the clamping head (13) is rotatably installed at the lower end of the clamping screw rod (12);

during feeding, firstly, a steel plate is placed on a feeding frame (5), the upper surface of the feeding frame (5) is in a horizontal state, then the steel plate is pushed into a clamping groove (11) on a sliding block (7), then a clamping screw (12) is screwed to drive a home-holding head (13) to clamp the steel plate, and then the work is started;

firstly, the electric telescopic cylinder (9) drives the connecting rod (8) to move forwards, further drives the sliding block (7) to move forwards on the sliding rail (6), the telescopic amount of the electric telescopic cylinder (9) is judged through the stay cord displacement sensor (14), and when the steel plate moves to a bending position, the electric telescopic cylinder (9) stops working;

at the moment, the bending machine body (1) begins to bend the steel plate, the steel plate can tilt along with the bending of the steel plate, the jacking hydraulic cylinder (15) acts to drive the jacking wheel (10) to move upwards, the feeding frame (5) is further pushed to drive the feeding shaft (4) to rotate on the bearing (3), and the feeding frame (5) is further enabled to be parallel to the steel plate;

after bending is finished, the jacking hydraulic rod (15) falls back, the feeding frame (5) returns to the horizontal state, the previous process is repeated, bending is started next time, and after the bending is finished completely, the clamping screw (12) is unscrewed to take down the steel plate.

Technical Field

The invention relates to the field of matching of bending machines, in particular to an automatic feeding structure and a feeding method for a bending machine.

Background

The bending machine product is widely applicable to: the cutting machine is used for cutting various steel plates, stainless steel, copper plates, aluminum plates and non-metal material plates, can fold products into conical, arc, circular or right-angle shapes and the like, and can also be designed and processed into a die with a special shape according to requirements.

The existing bending machine usually adopts manual feeding or expensive automatic mechanical arms to feed materials, the manual feeding is dangerous, the pressing and the position of the bending machine easily hurt hands and arms, the automatic mechanical arms are expensive, and the small-scale use cost is large, so that a low-cost automatic feeding structure for the bending machine is needed.

Disclosure of Invention

The invention aims to solve the feeding problem of a bending machine, and designs an automatic feeding structure and a feeding method for the bending machine.

The technical scheme for achieving the purpose is that the automatic feeding structure for the bending machine comprises a bending machine body, an installation frame, a bearing, a feeding shaft, a feeding frame, a sliding rail, a sliding block, a connecting rod, an electric telescopic cylinder, a steel plate clamping structure and a jacking wheel, wherein the installation frame is installed on the bending machine body;

the two bearings are installed on the installation frame and located on two sides of a bending machine body press-fit die respectively, the two feeding shafts are installed on the two bearings in an inserted mode respectively, two ends of the feeding frame are installed on the feeding shafts and located on the feeding side of the bending machine body press-fit die, the two sliding rails are symmetrically installed on the sliding frame, the sliding blocks are installed on the sliding rails in a sliding mode, the connecting rods are installed between the two sliding blocks and connected with the sliding blocks, the electric telescopic cylinders are installed on the sliding blocks, the steel plate clamping structure is arranged on the sliding blocks, and the jacking wheels are installed on the installation frame and located below the.

Preferably, the steel plate clamping structure comprises a clamping groove, a clamping screw and a clamping head, the clamping groove is formed in the inner side of the sliding block, the clamping screw is inserted into the sliding block in a screwing mode and penetrates through the sliding block to enter the clamping groove, and the clamping head is rotatably installed at the lower end of the clamping screw.

Preferably, the lower surface of the clamping groove is of a rubber structure, and the lower surface of the clamping head is of a rubber structure.

Preferably, the electric telescopic cylinder is provided with a pull rope displacement sensor, the pull rope displacement sensor is mounted on the electric telescopic cylinder, and the rope end of the pull rope displacement sensor is connected with the telescopic end of the electric telescopic cylinder.

Preferably, the jacking wheels are provided with jacking hydraulic cylinders, the telescopic ends of the jacking hydraulic cylinders are mounted on the jacking wheels, and the lower ends of the jacking hydraulic cylinders are mounted on the mounting frame.

The automatic feeding method of the bending machine comprises a bending machine body, an installation frame, a bearing, a feeding shaft, a feeding frame, a sliding rail, a sliding block, a connecting rod, an electric telescopic cylinder, a steel plate clamping structure and a jacking wheel, wherein the installation frame is installed on the bending machine body;

the two bearings are mounted on the mounting frame and are respectively located on two sides of a press-fit die of the bending machine body, the two feeding shafts are respectively mounted on the two bearings in an inserted manner, two ends of the feeding frame are mounted on the feeding shafts and located on the feeding side of the press-fit die of the bending machine body, the two sliding rails are symmetrically mounted on the sliding frame, the sliding blocks are slidably mounted on the sliding rails, the connecting rod is mounted between the two sliding blocks and connected with the sliding blocks, the electric telescopic cylinder is mounted on the sliding blocks, the steel plate clamping structure is arranged on the sliding blocks, and the jacking wheels are mounted on the mounting frame and located;

the steel plate clamping structure comprises a clamping groove, a clamping screw and a clamping head, wherein the clamping groove is formed in the inner side of the sliding block, the clamping screw is screwed and inserted on the sliding block and penetrates through the sliding block to enter the clamping groove, and the clamping head is rotatably arranged at the lower end of the clamping screw;

when feeding, firstly, the steel plate is placed on a feeding frame, the upper surface of the feeding frame is in a horizontal state, then the steel plate is pushed into a clamping groove on a sliding block, then a clamping screw is screwed to drive a home-holding head to clamp the steel plate, and then the work is started;

firstly, the electric telescopic cylinder drives the connecting rod to move forwards so as to drive the sliding block to move forwards on the sliding rail, the telescopic amount of the electric telescopic cylinder is judged through the stay cord displacement sensor, and when the steel plate moves to a bending position, the electric telescopic cylinder stops working;

at the moment, the bending machine body begins to bend the steel plate, the steel plate can tilt along with the bending of the steel plate, and the jacking hydraulic cylinder acts to drive the jacking wheel to move upwards, so that the feeding frame is pushed to drive the feeding shaft to rotate on the bearing, and the feeding frame is kept parallel to the steel plate;

after bending is completed, the jacking hydraulic rod falls back, the feeding frame returns to the horizontal state, the last process is repeated, bending is started next time, and after bending is completed completely, the clamping screw is unscrewed to take down the steel plate.

Advantageous effects

The invention provides an automatic feeding structure for a bending machine, which has the following beneficial effects that through the structural design of the automatic feeding structure, a rotatable feeding shaft is utilized, when a bending machine body bends a steel plate, a feeding frame can rotate along with the steel plate, so that the steel plate can be clamped by utilizing a steel plate clamping structure, an electric telescopic cylinder can be utilized to drive a sliding block to move forwards and further drive the steel plate to move forwards, when the bending machine body stops moving to a bending position to start bending, the feeding structure can drive the steel plate to bend for multiple times, so that the labor intensity of workers is saved, the device has a simpler structure, the production and manufacturing cost is reduced, and the problems in the background technology are solved by the structure.

Drawings

Fig. 1 is a schematic structural view of an automatic feeding structure for a bending machine according to the invention;

FIG. 2 is a structural schematic diagram of the automatic feeding structure for the bending machine in a steel plate bending state;

FIG. 3 is a schematic view of the structure of FIG. 1 viewed from direction A.

In the figure, 1, a bending machine body; 2. a mounting frame; 3. a bearing; 4. a feed shaft; 5. a feeding frame; 6. a slide rail; 7. a slider; 8. a connecting rod; 9. an electric telescopic cylinder; 10. jacking wheels; 11. a clamping groove; 12. clamping the screw rod; 13. a clamping head; 14. a pull rope displacement sensor; 15. and (4) a jacking hydraulic cylinder.

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: an automatic feeding structure for a bending machine comprises a bending machine body 1, an installation frame 2, a bearing 3, a feeding shaft 4, a feeding frame 5, a sliding rail 6, a sliding block 7, a connecting rod 8, an electric telescopic cylinder 9, a steel plate clamping structure and a jacking wheel 10, wherein the installation frame 2 is installed on the bending machine body 1, and the bending machine body 1 is a steel plate bending machine;

the two bearings 3 are installed on the installation frame 2 and located on two sides of a press-fit die of the bending machine body 1 respectively, the press-fit die is a press-fit portion for bending a steel plate, the two feeding shafts 4 are installed on the two bearings 3 in a plug-in mode respectively, the installation positions of the bearings 3 correspond to the bottommost positions of a lower die of the press-fit die, two ends of the feeding frame 5 are installed on the feeding shafts 4 and located on the feeding side of the press-fit die of the bending machine body 1, the two sliding rails 6 are symmetrically installed on the sliding frame, the sliding blocks 7 are installed on the sliding rails 6 in a sliding mode, the connecting rod 8 is installed between the two sliding blocks 7 and connected with the sliding blocks 7, the connecting rod 8 is connected with the two sliding blocks 7 to enable the two sliding blocks 7 to move synchronously, the electric telescopic cylinder 9 is installed on the sliding blocks 7, the steel plate clamping structure is arranged on the sliding blocks.

The steel plate clamping structure comprises a clamping groove 11, a clamping screw 12 and a clamping head 13, wherein the clamping groove 11 is formed in the inner side of the sliding block 7, the clamping screw 12 is screwed and inserted on the sliding block 7 and penetrates through the sliding block 7 to enter the clamping groove 11, the clamping head 13 is rotatably installed at the lower end of the clamping screw 12, and the clamping head 13 can be driven to clamp a steel plate by screwing the clamping screw 12.

Wherein, the lower surface of the clamping groove 11 is of a rubber structure, and the lower surface of the clamping head 13 is of a rubber structure, so that the friction force of the clamping groove 11 and the clamping head 13 to the steel plate can be increased, and the steel plate is prevented from slipping.

Wherein, be equipped with stay cord displacement sensor 14 on the electronic telescoping cylinder 9, stay cord displacement sensor 14 installs on electronic telescoping cylinder 9 and its rope end is connected tensile displacement sensor 14 with the flexible end of electronic telescoping cylinder 9 and can be surveyed the flexible displacement of electronic telescoping cylinder 9, and then be convenient for control the flexible volume of electronic telescoping cylinder 9 with host computer cooperation, and then realize promoting the steel sheet to the position of bending, the host computer can be PLC, this is prior art.

The jacking hydraulic cylinder 15 is arranged on the jacking wheel 10, the telescopic end of the jacking hydraulic cylinder 15 is installed on the jacking wheel 10, the lower end of the jacking hydraulic cylinder 15 is installed on the installation frame 2, when the bending machine body 1 bends, the jacking hydraulic cylinder 15 moves upwards, the pushing speed of the jacking hydraulic cylinder is controlled through the upper computer, so that when a steel plate is bent, the steel plate is always parallel to the feeding frame 5, the specific control method is the prior art, and the jacking hydraulic cylinder 15 can adopt a servo electric telescopic cylinder for facilitating control.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet control requirements, and specific connection and control sequences.

In this embodiment:

firstly, the structure is arranged on a bending machine body 1 through a mounting frame 2;

when the device works, firstly, a steel plate is placed on the feeding frame 5, the upper surface of the feeding frame 5 is in a horizontal state, then the steel plate is pushed into the clamping groove 11 on the sliding block 7, then the clamping screw 12 is screwed to drive the home-holding head 13 to clamp the steel plate, and then the device starts to work;

firstly, the electric telescopic cylinder 9 drives the connecting rod 8 to move forwards, further drives the sliding block 7 to move forwards on the sliding rail 6, the telescopic amount of the electric telescopic cylinder 9 is judged through the stay cord displacement sensor 14, and when the steel plate moves to a bending position, the electric telescopic cylinder 9 stops working;

at the moment, the bending machine body 1 begins to bend the steel plate, the steel plate can tilt along with the bending of the steel plate, the jacking hydraulic cylinder 15 acts at the moment, the jacking wheel 10 is driven to move upwards, the feeding frame 5 is further pushed to drive the feeding shaft 4 to rotate on the bearing 3, and the feeding frame 5 is further enabled to be parallel to the steel plate;

after the bending is finished, the jacking hydraulic rod 15 falls back, the feeding frame 5 returns to the horizontal state, the previous process is repeated, the next bending is started, and after the bending is finished completely, the clamping screw 12 is unscrewed by a worker to take down the steel plate.

It should be noted that although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.