Adjustable automatic centering feeding platform of bending machine and implementation method of adjustable automatic centering feeding platform

Abstract

The invention discloses an adjustable automatic centering feeding platform of a bending machine and an implementation method of the adjustable automatic centering feeding platform, and belongs to the technical field of bending machines. An adjustable automatic centering feeding platform of a bending machine comprises a feeding platform body, first pressing plates are installed on the two sides of the front end of the feeding platform body, second pressing plates are installed on the two sides of the rear end of the feeding platform body, positioning blocks are installed at the upper ends of the first pressing plates and the upper ends of the second pressing plates, and clamping plates are installed below the positioning blocks. The feeding device solves the problems that an existing feeding device cannot guarantee the position of a plate, consequently, the bending direction of the plate is inaccurate, and the working quality is affected, a stepping motor drives a driving gear to rotate, meanwhile, second pressing plates on the two sides and first pressing plates on the two sides are driven to center and position the plate to be machined at the same time, and the working quality is improved. And after the plate to be machined is detected through the pressure sensor and the contact sensor, the centered plate to be machined is rapidly fixed, and centered feeding work is automatically carried out.

Description

Technical Field

[0001] The invention relates to the technical field of bending machines, and in particular to an adjustable automatic centering feeding platform for a bending machine and an implementation method thereof. Background Art

[0002] The bending machine is mainly composed of left and right columns, a workbench and a crossbeam to form a frame. The lower die is fixed on the workbench, and the upper die is installed at the lower end of the slide. Under the action of the power system, the slide drives the upper die downward and closes with the lower die to achieve bending of the sheet metal.

[0003] The Chinese patent with the announcement number CN212264359U discloses a feeding device for a bending machine, which belongs to the field of sheet metal bending. It includes a manipulator, a raw material cart, a forming cart and a pushing device; the manipulator is arranged on track I, and the raw material cart and the forming cart are arranged side by side on tracks II and III which are parallel to each other; the pushing device is arranged between the bending machine and track III, and its upper end surface is provided with a pushing mechanism for pushing the workpiece. This patent can automatically deliver the workpiece to be bent to the working table of the bending machine, and efficiently transport the workpiece to be bent and the workpiece after bending, with extremely high processing efficiency.

[0004] The feeding device of the above patent cannot guarantee the position of the plate in actual use, resulting in inaccurate bending direction of the plate, affecting the work quality; therefore, it does not meet the existing needs. In this regard, we propose an adjustable automatic centering feeding platform for a bending machine and its implementation method. Summary of the invention

[0005] The purpose of the present invention is to provide an adjustable automatic centering feeding platform for a bending machine and an implementation method thereof, so as to solve the problem that the feeding device proposed in the above background technology cannot guarantee the position of the plate during actual use, resulting in inaccurate bending direction of the plate and affecting the work quality.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an adjustable automatic centering feeding platform for a bending machine, comprising a feeding platform body, first pressure plates are installed on both sides of the front end of the feeding platform body, and second pressure plates are installed on both sides of the rear end of the feeding platform body, positioning blocks are installed on the upper ends of the first and second pressure plates, a clamp is installed below the positioning blocks, and pushing plates are installed on the front and rear ends of the feeding platform body, a limiting plate is installed on the upper end of the pushing plate, and a plate to be processed is arranged above the pushing plate.

[0007] Preferably, the upper end surface of the feeding platform body is provided with an integrally formed guide groove, and telescopic guide plates are installed below the first pressure plate and below the second pressure plate, and the interior of the telescopic guide plate is provided with an integrally formed through opening, and the feeding platform body is slidably connected to the feeding platform body through the guide groove through the through opening.

[0008] Preferably, a slideway is provided inside the feeding platform body, an integrally formed guide rail groove is provided inside the telescopic guide plate, and the telescopic guide plate is slidably connected to the feeding platform body via the guide rail groove and the slideway.

[0009] Preferably, a connecting rod is installed in the middle of the interior of the feeding platform body, and the connecting rod passes through the interior of the feeding platform body and is slidably connected to the feeding platform body, and limiting sleeves are installed on both sides of the lower end of the feeding platform body, and a guide straight plate is installed inside the limiting sleeve, and the guide straight plate extends to the inside of the limiting sleeve and is slidably connected to the limiting sleeve, and the guide straight plate is fixedly connected to the limiting sleeve by fixing screws, and the length of the feeding platform body can be conveniently adjusted by adjusting the guide straight plate inside the limiting sleeve in conjunction with the connecting rod, so as to adapt to different types of feeding work.

[0010] Preferably, a pressure sensor is provided on the upper end surface of the feeding platform body, and a contact sensor is provided on the inner side of the first pressure plate and the second pressure plate. The contact sensor and the pressure sensor are electrically connected through a PLC module, and the stepper motor, hydraulic oil pump and pneumatic cylinder are controlled by the PLC module to quickly fix the centered plate to be processed, and automatically perform the centered feeding work to achieve the best bending work, with an integrated structure and good position stability, which is conducive to continuous work.

[0011] Preferably, a stepper motor is installed at the lower end of the feeding platform body, a transmission gear is installed at one end of the stepper motor, and a driving gear is installed above the transmission gear, the driving gear is connected to the motor shaft of the stepper motor through the transmission gear, a transmission plate is welded to one side of the telescopic guide plate, an integrally formed guide tooth row is arranged inside the transmission plate, the transmission plate is meshed with the driving gear through the guide tooth row, and an integrally formed positioning guide rail is arranged outside the transmission plate, the transmission plate is slidably connected to the feeding platform body through the positioning guide rail, the stepper motor is electrically connected to the PLC module, and during use of the feeding device, after the plate to be processed slides to one side of the limit plate, the driving gear is driven to rotate by the stepper motor, and at the same time drives the second pressure plates on both sides and the first pressure plates on both sides to simultaneously align the plate to be processed.

[0012] Preferably, a pneumatic cylinder is installed inside the positioning block, the lower end of the pneumatic cylinder is fixedly connected to the clamping plate, and the pneumatic cylinder is electrically connected to the PLC module.

[0013] Preferably, an electric cylinder is installed between the pushing plate and the feeding platform body, a hydraulic oil pump is installed at one end of the electric cylinder, a guide wheel is installed above the limit plate, the guide wheel and the limit plate are rotatably connected through a bearing, and a fixed frame is installed below the pushing plate, the pushing plate is slidably connected to the fixed frame through a slide groove, and the hydraulic oil pump is electrically connected to the PLC module.

[0014] A method for implementing an adjustable automatic centering feeding platform for a bending machine comprises the following steps:

[0015] Step 1: When using, place the plate to be bent on the push plate, and use the guide wheel on the limit plate to assist in loading;

[0016] Step 2: After the plate to be processed slides to one side of the limit plate, the stepper motor drives the driving gear to rotate, and at the same time drives the second pressing plates on both sides and the first pressing plates on both sides to align the plate to be processed. After the plate to be processed is detected by the pressure sensor and the contact sensor, the stepper motor, the hydraulic oil pump and the pneumatic cylinder are controlled by the PLC module to work, and the centered plate to be processed is quickly fixed;

[0017] Step 3: Push the plate to be processed through the limit plate, and after the plate to be processed is moved into the bending machine, the bending work is carried out.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. During use of the feeding device of the present invention, after the plate to be processed slides to one side of the limit plate, the driving gear is driven to rotate by the stepper motor, and the second pressure plates on both sides and the first pressure plates on both sides are driven to center and position the plate to be processed at the same time. After the plate to be processed is detected by the pressure sensor and the contact sensor, the stepper motor, hydraulic oil pump and pneumatic cylinder are controlled by the PLC module to quickly fix the centered plate to be processed, and the centering feeding work is automatically performed to achieve the best bending work. The structure is integrated and the position stability is good, which is conducive to continuous work.

[0020] 2. During use, the feeding device of the present invention places the plate to be bent above the push plate, assists in loading with the guide wheel above the limit plate, keeps the position of the push plate stable with the fixed frame, and assists in the position stability of the telescopic guide plate with the guide rail groove, thereby improving the working effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an axonometric view of the present invention from above;

[0022] Figure 2 is an axonometric view of the present invention from the side;

[0023] Figure 3 For the present invention Figure 2 A partial enlarged view of area A in the middle;

[0024] Figure 4 It is an axonometric view of the telescopic guide plate of the present invention from the front;

[0025] Figure 5 An axonometric view of the present invention viewed from above;

[0026] Figure 6 This is an axonometric view of the present invention when the plate to be processed is being processed.

[0027] In the figure: 1. Feeding platform body; 101. Guide slide; 102. Pressure sensor; 103. Connecting rod; 104. Limiting sleeve; 105. Guide straight plate; 2. First pressing plate; 201. Telescopic guide plate; 202. Guide rail groove; 203. Contact sensor; 204. Through port; 205. Stepping motor; 206. Transmission plate; 207. Guide gear row; 208. Positioning guide rail; 209. Driving gear; 3. Second pressing plate; 4. Positioning block; 401. Pneumatic cylinder; 402. Clamp; 5. Pushing plate; 501. Limiting plate; 502. Guide wheel; 503. Fixed frame; 504. Electric cylinder; 505. Hydraulic oil pump; 6. Panel to be processed. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] In order to solve the problem that the existing feeding device cannot guarantee the position of the plate in actual use, resulting in inaccurate bending direction of the plate and affecting the work quality, please refer to Figure 1 , Figure 4 - Figure 6 , this embodiment provides the following technical solutions:

[0030] A bending machine adjustable automatic centering feeding platform includes a feeding platform body 1 with first pressing plates 2 installed on both sides of the front end, and second pressing plates 3 installed on both sides of the rear end of the feeding platform body 1. The second pressing plates 3 on both sides and the first pressing plates 2 on both sides can simultaneously center and position a plate 6 to be processed.

[0031] Specifically, positioning blocks 4 are installed at the upper ends of the first pressing plate 2 and the second pressing plate 3, a clamping plate 402 is installed below the positioning block 4, and pushing plates 5 are installed at the front and rear ends of the feeding platform body 1. The pushing plates 5 are retracted to drive the workpiece to move, which facilitates automated work.

[0032] In addition, a limiting plate 501 is installed on the upper end of the pushing plate 5, and a plate to be processed 6 is arranged above the pushing plate 5. The second pressing plate 3 and the first pressing plate 2 quickly fix the plate to be processed 6 in the center, and automatically perform the centering and feeding work to achieve the best bending work. The structure is integrated and the position stability is good, which is conducive to continuous work.

[0033] In addition, a stepper motor 205 is installed at the lower end of the feeding platform body 1, and a driving gear 209 is installed above the transmission gear of the stepper motor 205. The driving gear 209 is connected to the motor shaft of the stepper motor 205 through the transmission gear. The stepper motor 205 drives the driving gear 209 to rotate, and at the same time drives the second pressure plates 3 on both sides and the first pressure plates 2 on both sides to simultaneously align and position the plate 6 to be processed.

[0034] In addition, a transmission plate 206 is welded to one side of the telescopic guide plate 201, and an integrally formed guide tooth row 207 is arranged inside the transmission plate 206. The transmission plate 206 is meshed and connected with the driving gear 209 through the guide tooth row 207, and an integrally formed positioning guide rail 208 is arranged outside the transmission plate 206. The transmission plate 206 is slidingly connected to the feeding platform body 1 through the positioning guide rail 208, and the stepper motor 205 is electrically connected to the PLC module. During use, the feeding device slides the plate 6 to be processed to one side of the limit plate 501, and then drives the driving gear 209 to rotate through the stepper motor 205, and at the same time drives the second pressure plate 3 on both sides and the first pressure plate 2 on both sides to simultaneously center and position the plate 6 to be processed.

[0035] In addition, a pressure sensor 102 is provided on the upper end surface of the feeding platform body 1, and a contact sensor 203 is provided on the inner side of the first pressing plate 2 and the second pressing plate 3. The contact sensor 203 and the pressure sensor 102 are electrically connected through the PLC module. The stepper motor 205, the hydraulic oil pump 505 and the pneumatic cylinder 401 are controlled by the PLC module to quickly fix the centered panel 6 to be processed, and automatically perform the centered feeding work to achieve the best bending work. The structure is integrated and the position stability is good, which is conducive to continuous work.

[0036] Specifically, during use, the feeding device drives the plate 6 to be processed to slide to one side of the limit plate 501, and then drives the driving gear 209 to rotate through the stepper motor 205, and at the same time drives the second pressure plates 3 on both sides and the first pressure plates 2 on both sides to center the plate 6 to be processed. After the plate 6 to be processed is detected by the pressure sensor 102 and the contact sensor 203, the stepper motor 205, the hydraulic oil pump 505 and the pneumatic cylinder 401 are controlled by the PLC module to quickly fix the centered plate 6 to be processed, and the centering feeding work is automatically performed to achieve the best bending work, with integrated structure and good position stability, which is conducive to continuous work.

[0037] In order to solve the problem that the existing feeding device has a single structure and unstable position in actual use, which affects the work, please refer to Figure 1 - Figure 5 , this embodiment provides the following technical solutions:

[0038] The upper end surface of the feeding platform body 1 is provided with an integrally formed guide groove 101, and telescopic guide plates 201 are installed below the first pressure plate 2 and below the second pressure plate 3. The interior of the telescopic guide plate 201 is provided with an integrally formed through-hole 204. The feeding platform body 1 is slidably connected to the feeding platform body 1 through the through-hole 204 through the guide groove 101. During use, the feeding device places the panel 6 to be processed that needs to be bent above the pushing plate 5.

[0039] In addition, a slide is provided inside the feeding platform body 1, and an integrally formed guide rail groove 202 is provided inside the telescopic guide plate 201. The telescopic guide plate 201 is slidably connected to the feeding platform body 1 through the guide rail groove 202 and the slide. The guide wheel 502 above the limit plate 501 assists in loading, the position of the push plate 5 is kept stable through the fixed frame 503, and the position stability of the telescopic guide plate 201 is assisted by the guide rail groove 202, thereby improving the working effect.

[0040] Specifically, during use, the feeding device places the panel 6 to be bent above the pushing plate 5, assists in loading with the guide wheel 502 above the limiting plate 501, maintains the position of the pushing plate 5 stable with the fixing frame 503, and assists in the position stability of the telescopic guide plate 201 with the guide rail groove 202, thereby improving the working effect.

[0041] In order to solve the problem that the existing feeding device has poor feeding efficiency and is not convenient for fast clamping of workpieces during actual use, please refer to Figure 1 - Figure 3 , Figure 5 , this embodiment provides the following technical solutions:

[0042] A pneumatic cylinder 401 is installed inside the positioning block 4, and the lower end of the pneumatic cylinder 401 is fixedly connected to the clamping plate 402. The pneumatic cylinder 401 is electrically connected to the PLC module. An electric cylinder 504 is installed between the pushing plate 5 and the feeding platform body 1. A hydraulic oil pump 505 is installed at one end of the electric cylinder 504. The electric cylinder 504 drives the pushing plate 5 to move and pushes the panel 6 to be processed.

[0043] In addition, a guide wheel 502 is installed above the limit plate 501, and the guide wheel 502 is rotatably connected to the limit plate 501 through a bearing, and a fixed frame 503 is installed below the push plate 5, and the push plate 5 is slidably connected to the fixed frame 503 through a slide groove, and the hydraulic oil pump 505 is electrically connected to the PLC module. After the sensor detects the position of the workpiece, the hydraulic oil pump 505 can be used to extract the oil, shrink the push plate 5, and drive the workpiece to move, so as to facilitate automated work.

[0044] In addition, a connecting rod 103 is installed in the middle of the interior of the feeding platform body 1, and the connecting rod 103 passes through the interior of the feeding platform body 1 and is slidably connected to the feeding platform body 1, and limiting sleeves 104 are installed on both sides of the lower end of the feeding platform body 1, and a guide straight plate 105 is installed inside the limiting sleeve 104. The guide straight plate 105 extends to the inside of the limiting sleeve 104 and is slidably connected to the limiting sleeve 104, and the guide straight plate 105 is fixedly connected to the limiting sleeve 104 by fixing screws. By adjusting the guide straight plate 105 inside the limiting sleeve 104, the length of the feeding platform body 1 can be conveniently adjusted in cooperation with the connecting rod 103, so as to adapt to different types of feeding work.

[0045] Specifically, by adjusting the guide straight plate 105 inside the limit sleeve 104 and cooperating with the connecting rod 103, the length of the feeding platform body 1 can be conveniently adjusted to adapt to different types of feeding work. The plate 6 to be processed is pushed through the limit plate 501, and the oil is extracted through the hydraulic oil pump 505. The pushing plate 5 is retracted to drive the workpiece to move, which is convenient for automated work. After the plate 6 to be processed is moved into the bending machine, the bending work is carried out.

[0046] See also Figure 1 - Figure 6 , a method for implementing an adjustable automatic centering feeding platform of a bending machine comprises the following steps:

[0047] Step 1: When in use, place the plate 6 to be bent on the push plate 5, use the guide wheel 502 on the limit plate 501 to assist in loading, and use the guide rail groove 202 to assist in the position stability of the telescopic guide plate 201 to improve the working effect;

[0048] Step 2: After the plate 6 to be processed slides to one side of the limit plate 501, the driving gear 209 is driven to rotate by the stepper motor 205, and the second pressing plates 3 on both sides and the first pressing plates 2 on both sides are driven to center the plate 6 to be processed. After the plate 6 to be processed is detected by the pressure sensor 102 and the contact sensor 203, the stepper motor 205, the hydraulic oil pump 505 and the pneumatic cylinder 401 are controlled by the PLC module to quickly fix the plate 6 to be processed in the center, and the centering feeding work is automatically performed to achieve the best bending work, with integrated structure and good position stability, which is conducive to continuous work;

[0049] Step three: By adjusting the guide straight plate 105 inside the limit sleeve 104 and cooperating with the connecting rod 103, it is convenient to adjust the length of the feeding platform body 1 to adapt to different types of feeding work. The plate 6 to be processed is pushed through the limit plate 501, and the oil is extracted through the hydraulic oil pump 505. The pushing plate 5 is retracted to drive the workpiece to move, which is convenient for automated work. The plate 6 to be processed is pushed through the limit plate 501. After the plate 6 to be processed is moved to the inside of the bending machine, the bending work is performed.

[0050] Working principle: When in use, the plate 6 to be processed that needs to be bent is placed on the push plate 5, and the guide wheel 502 on the limit plate 501 assists in loading. After the plate 6 to be processed slides to one side of the limit plate 501, the stepper motor 205 drives the driving gear 209 to rotate, and at the same time drives the second pressing plates 3 on both sides and the first pressing plates 2 on both sides to align the plate 6 to be processed. After the plate 6 to be processed is detected by the pressure sensor 102 and the contact sensor 203, the stepper motor 205, the hydraulic oil pump 505 and the air pressure are controlled by the PLC module. The cylinder 401 works to quickly fix the plate 6 to be processed in the center, and automatically performs the centering feeding work. By adjusting the guide straight plate 105 inside the limit sleeve 104 and cooperating with the connecting rod 103, the length of the feeding platform body 1 can be conveniently adjusted to adapt to different types of feeding work. The plate 6 to be processed is pushed through the limit plate 501, and the oil is extracted through the hydraulic oil pump 505. The pushing plate 5 is retracted to drive the workpiece to move, which is convenient for automated work. The plate 6 to be processed is pushed through the limit plate 501. After the plate 6 to be processed is moved to the inside of the bending machine, the bending work is performed.

[0051] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0052] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. An adjustable automatic centering feeding platform for a bending machine, comprising a feeding platform body (1), characterized in that: A first pressing plate (2) is installed on both sides of the front end of the feeding platform body (1), and a second pressing plate (3) is installed on both sides of the rear end of the feeding platform body (1), positioning blocks (4) are installed on the upper ends of the first pressing plate (2) and the second pressing plate (3), and a pushing plate (5) is installed on the front and rear ends of the feeding platform body (1), and a plate (6) to be processed is arranged above the pushing plate (5).

2. The adjustable automatic centering feeding platform for a bending machine according to claim 1 is characterized in that: The upper end surface of the feeding platform body (1) is provided with an integrally formed guide groove (101), and telescopic guide plates (201) are installed below the first pressing plate (2) and below the second pressing plate (3), and the interior of the telescopic guide plate (201) is provided with an integrally formed through-hole (204), and the feeding platform body (1) is slidably connected to the feeding platform body (1) through the through-hole (204) via the guide groove (101).

3. The adjustable automatic centering feeding platform for a bending machine according to claim 2 is characterized in that: A slideway is provided inside the feeding platform body (1), an integrally formed guide rail groove (202) is provided inside the telescopic guide plate (201), and the telescopic guide plate (201) is slidably connected to the feeding platform body (1) via the guide rail groove (202) and the slideway.

4. The adjustable automatic centering feeding platform for a bending machine according to claim 3 is characterized by: A pressure sensor (102) is provided on the upper end surface of the feeding platform body (1), and contact sensors (203) are provided on the inner sides of the first pressing plate (2) and the second pressing plate (3), and the contact sensor (203) and the pressure sensor (102) are both electrically connected via a PLC module.

5. The adjustable automatic centering feeding platform for a bending machine according to claim 3 is characterized by: A stepper motor (205) is installed at the lower end of the feeding platform body (1), a transmission gear is installed at one end of the stepper motor (205), and a driving gear (209) is installed above the transmission gear, and the driving gear (209) is connected to the motor shaft of the stepper motor (205) through the transmission gear. A transmission plate (206) is welded to one side of the telescopic guide plate (201), and an integrally formed guide tooth row (207) is arranged inside the transmission plate (206). The transmission plate (206) is meshed and connected with the driving gear (209) through the guide tooth row (207), and the stepper motor (205) is electrically connected to the PLC module.

6. The adjustable automatic centering feeding platform for a bending machine according to claim 4 is characterized in that: A pneumatic cylinder (401) is installed inside the positioning block (4), a clamping plate (402) is installed below the positioning block (4), the lower end of the pneumatic cylinder (401) is fixedly connected to the clamping plate (402), and the pneumatic cylinder (401) is electrically connected to the PLC module.

7. The adjustable automatic centering feeding platform for a bending machine according to claim 4 is characterized by: An electric cylinder (504) is installed between the pushing plate (5) and the feeding platform body (1), a hydraulic oil pump (505) is installed at one end of the electric cylinder (504), a limit plate (501) is installed at the upper end of the pushing plate (5), and the hydraulic oil pump (505) is electrically connected to the PLC module.

8. A method for implementing the adjustable automatic centering feeding platform of a bending machine according to claim 7, characterized in that: The steps include: Step 1: When in use, place the plate (6) to be bent on top of the push plate (5), and use the guide wheel (502) on top of the limit plate (501) to assist in loading; Step 2: After the plate (6) to be processed slides to one side of the limit plate (501), the stepper motor (205) drives the driving gear (209) to rotate, and at the same time drives the second pressing plates (3) on both sides and the first pressing plates (2) on both sides to simultaneously align and position the plate (6) to be processed. After the plate (6) to be processed is detected by the pressure sensor (102) and the contact sensor (203), the stepper motor (205), the hydraulic oil pump (505) and the pneumatic cylinder (401) are controlled by the PLC module to work, and the centered plate (6) to be processed is quickly fixed; Step 3: Push the plate (6) to be processed through the limit plate (501), and after the plate (6) to be processed is moved into the bending machine, the bending work is performed.

Images