Automatic feeding mechanism for laser cutting machine

Abstract

The automatic feeding mechanism for the laser cutting machine comprises a plate conveying line and the laser cutting machine, and a plate transferring device is arranged between the plate conveying line and the laser cutting machine. The plate conveying line comprises a conveying belt, and a plate positioning mechanism is arranged at the discharging end of the plate conveying line. The plate transfer device comprises a sliding seat, two parallel connecting rods are arranged on the upper surface of the sliding seat, a transfer plate is arranged at the upper ends of the connecting rods, and a suction cup is arranged below the transfer plate; the lower ends of the two connecting rods are hinged to the sliding base, the upper ends of the two connecting rods are hinged to the transfer plate, so that the two connecting rods, the sliding base and the transfer plate form a parallel four-rod mechanism, a push-pull air cylinder is further arranged on the sliding base, and a telescopic rod of the push-pull air cylinder is hinged to one connecting rod. The plate lifting device can be used for precisely positioning the plate and then placing the plate at a specified position of the laser cutting machine, and is simple in structure, flexible and high in lifting speed.

Description

Technical Field

[0001] The utility model relates to an automatic feeding mechanism for a laser cutting machine, belonging to the technical field of automatic feeding for laser cutting machines. Background Art

[0002] Metal sheets are widely used in product shell production and other fields due to their excellent mechanical properties. During the processing of metal sheets, according to the different actual application scopes of the metal sheets, the metal sheets need to be cut and processed to meet the actual production needs.

[0003] In the actual processing process, it is inconvenient to load and unload large pieces of plate. In the existing technology, loading and unloading is generally done by a crane or a robot using a suction cup crane. The crane hoisting speed is slow and the efficiency is low. It is more convenient to grab the plate by a multi-axis robot, but the robot is more expensive and cannot accurately position the plate.

[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] In view of the deficiencies in the background technology, the utility model provides an automatic feeding mechanism for a laser cutting machine, which can precisely position a plate and then place it at a designated position of the laser cutting machine, and has a simple structure, flexibility and high hoisting speed.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] An automatic feeding mechanism for a laser cutting machine comprises a plate conveying line and a laser cutting machine, wherein a plate transfer device is arranged between the two;

[0008] The plate conveyor line comprises a conveyor belt, and a plate positioning mechanism is provided at the discharge end of the plate conveyor line;

[0009] The plate transfer device comprises a sliding seat, the upper surface of the sliding seat is provided with two parallel connecting rods, the upper ends of the connecting rods are provided with a transfer plate, and a suction cup is provided below the transfer plate;

[0010] The lower ends of the two connecting rods are hinged on the sliding seat, and the upper ends are hinged on the transfer plate, so that the two connecting rods, the sliding seat and the transfer plate form a parallel four-bar mechanism. A push-pull cylinder is also provided on the sliding seat, and the telescopic rod of the push-pull cylinder is hinged to one of the connecting rods.

[0011] Furthermore, a suspension arm is horizontally provided on the side of the transfer plate, a top plate is installed below the end of the suspension arm, and a suction cup is provided below the top plate.

[0012] Furthermore, the top plate is a rectangular structure, and an extension rod is vertically installed at each of the four corners of the lower surface of the top plate, and a suction cup is installed at the lower end of the extension rod.

[0013] Furthermore, a steering cylinder is installed on the boom, the rear end of the steering cylinder is hinged on the boom, the telescopic rod of the steering cylinder is hinged on a corner of the upper surface of the top plate, and the steering cylinder pushes and pulls the top plate to rotate the top plate 90 degrees.

[0014] Furthermore, the plate positioning mechanism includes two bottom limit cylinders vertically arranged at the lower side of the front end of the plate conveyor line, and the telescopic rods of the bottom limit cylinders are installed with stop columns, which limit the front and rear positions of the plates when raised.

[0015] Furthermore, the plate positioning mechanism also includes side limiting cylinders horizontally installed on both sides of the plate conveyor line, and a positioning plate is fixedly installed on the telescopic rod of the side limiting cylinder. A push plate is provided on the front side of the positioning plate on one side of the plate conveyor line, and the push plate and the positioning plate are elastically installed together.

[0016] Furthermore, a base is provided at the lower end of the sliding seat, and the sliding seat is slidably installed on the upper surface of the base through a slide rail. A fixing nut is fixed on one side of the sliding seat, and the fixing nut cooperates with the screw thread, and the screw is rotatably installed on the upper surface of the base.

[0017] Furthermore, track wheels are respectively installed on both sides of the lower end of the base, and the track wheels are in transmission cooperation with the ground rail, and the ground rail is parallel to the length direction of the laser cutting machine.

[0018] Furthermore, a gear is rotatably mounted on the lower end of the base, the gear is driven by a motor, the gear is meshed with a rack for transmission, and the rack is arranged parallel to the ground rail.

[0019] Compared with the prior art, the utility model has the following advantages after adopting the above technical solution:

[0020] 1. The lower ends of the two connecting rods are hinged on the sliding seat, and the upper ends are hinged on the transfer plate, so that the two connecting rods, the sliding seat and the transfer plate form a parallel four-bar mechanism. Driven by the push-pull cylinder, the plates on the plate conveyor line are loaded into the laser cutting machine through the suction cup.

[0021] 2. The bottom limit cylinder of the plate conveyor line is installed with a stop column, which limits the front and rear position of the plate when it is raised; a positioning plate is fixedly installed on the side limit cylinder of the plate conveyor line, and a push plate is provided on the front side of the positioning plate on one side of the plate conveyor line. After the stop column limits the front and rear position of the plate, the positioning plate on one side extends forward to position the side of the plate, and the push plate on the other side extends to fix the left and right position of the plate, thereby accurately positioning the plate; during the loading process, the sliding seat slides horizontally relative to the base, and the base is driven to slide longitudinally through the gear rack transmission, which can accurately control the loading position and achieve accurate loading.

[0022] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 yes Figure 1 A top view of

[0025] Figure 3 It is a structural schematic diagram of the plate transfer device in the utility model;

[0026] Figure 4 yes Figure 3 Top view of the .

[0027] In the figure,

[0028] 1-plate conveyor line, 2-conveyor belt, 3-bottom limit cylinder, 4-gear column, 5-side limit cylinder, 6-positioning plate, 7-push plate, 8-base, 9-connecting rod, 10-transfer plate, 11-push-pull cylinder, 12-lifting arm, 13-steering cylinder, 14-top plate, 15-extension rod, 16-suction cup, 17-sliding seat, 1701-fixing nut, 18-screw, 19-ground rail, 20-rack, 21-gear, 22-laser cutting machine. DETAILED DESCRIPTION

[0029] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.

[0030] like Figure 1-3 As shown, the utility model provides an automatic feeding mechanism for a laser cutting machine, comprising a plate conveying line 1 and a laser cutting machine 22, with a plate transfer device provided between the two.

[0031] The plate conveyor line 1 comprises a conveyor belt 2, and a plate positioning mechanism is provided at the discharge end of the plate conveyor line 1;

[0032] The plate transfer device comprises a sliding seat 17, the upper surface of the sliding seat 17 is provided with two parallel connecting rods 9, the upper end of the connecting rod 9 is provided with a transfer plate 10, and the lower part of the transfer plate 10 is provided with a suction cup 16;

[0033] The lower ends of the two connecting rods 9 are hinged on the sliding seat 17, and the upper ends are hinged on the transfer plate 10, so that the two connecting rods 9, the sliding seat 17 and the transfer plate 10 form a parallel four-bar mechanism. A push-pull cylinder 11 is also provided on the sliding seat 17, and the telescopic rod of the push-pull cylinder 11 is hinged to one of the connecting rods 9.

[0034] A suspension arm 12 is horizontally disposed on the side of the transfer plate 10 , a top plate 14 is installed below the end of the suspension arm 12 , and a suction cup 16 is disposed below the top plate 14 .

[0035] The top plate 14 is a rectangular structure, and an extension rod 15 is vertically installed at each of the four corners of the lower surface of the top plate 14 , and a suction cup 16 is installed at the lower end of the extension rod 15 .

[0036] A steering cylinder 13 is installed on the boom 12, the rear end of the steering cylinder 13 is hinged on the boom 12, and the telescopic rod of the steering cylinder 13 is hinged to a corner of the upper surface of the top plate 14. The steering cylinder 13 pushes and pulls the top plate 14 to rotate the top plate 14 90 degrees.

[0037] The plate positioning mechanism includes two bottom limit cylinders 3 vertically arranged at the lower side of the front end of the plate conveyor line 1, and the telescopic rods of the bottom limit cylinders 3 are installed with stop columns 4. When the stop columns 4 are raised, the front and rear positions of the plates are limited.

[0038] The plate positioning mechanism also includes side limiting cylinders 5 installed horizontally on both sides of the plate conveyor line 1, and positioning plates 6 are fixedly installed on the telescopic rods of the side limiting cylinders 5. A push plate 7 is provided on the front side of the positioning plate 6 on one side of the plate conveyor line 1, and the push plate 7 is elastically installed together with the positioning plate. After the stop column 4 limits the front and rear positions of the plate, the positioning plate 6 on one side extends forward to position the side of the plate, and the push plate 7 on the other side extends to fix the left and right positions of the plate.

[0039] like Figure 3 A base 8 is provided at the lower end of the sliding seat 17, and the sliding seat 17 is slidably installed on the upper surface of the base 8 through a slide rail. A fixing nut 1701 is fixed on one side of the sliding seat 17, and the fixing nut 1701 is threadedly matched with the lead screw 18. The lead screw 18 is rotatably installed on the upper surface of the base 8, and the lead screw 18 is driven by a motor.

[0040] Track wheels are respectively installed on both sides of the lower end of the base 8 , and the track wheels are in transmission cooperation with the ground rail 19 , and the ground rail 19 is parallel to the length direction of the laser cutting machine 22 .

[0041] A gear 21 is rotatably mounted on the lower end of the base 8 . The gear 21 is driven by a motor. The gear 21 is meshed with a rack 20 for transmission. The rack 20 is arranged parallel to the ground rail 19 .

[0042] The specific working principle of the utility model:

[0043] The lower ends of the two connecting rods 9 are hinged to the sliding seat 17, and the upper ends are hinged to the transfer plate 10, so that the two connecting rods 9, the sliding seat 17 and the transfer plate 10 form a parallel four-bar mechanism. Driven by the push-pull cylinder 11, the plate on the plate conveyor line 1 is fed to the laser cutting machine 22 through the suction cup 16. During the feeding process, the sliding seat 17 slides horizontally relative to the base 8, and the base 8 is driven to slide longitudinally through the gear rack transmission, so that the feeding position can be accurately controlled to achieve accurate feeding.

[0044] Two bottom limit cylinders 3 are vertically arranged on the lower side of the front end of the plate conveyor line 1, and the telescopic rod of the bottom limit cylinder 3 is installed with a stop column 4. After the stop column 4 is raised, it limits the front and rear position of the plate; the side limit cylinders 5 are horizontally installed on both sides of the plate conveyor line 1, and the telescopic rod of the side limit cylinder 5 is fixedly installed with a positioning plate 6. A push plate 7 is provided on the front side of the positioning plate 6 on one side of the plate conveyor line 1. After the stop column 4 limits the front and rear position of the plate, the positioning plate 6 on one side extends forward to position the side of the plate, and the push plate 7 on the other side extends to fix the left and right position of the plate, thereby accurately positioning the plate.

[0045] The above is an example of the best implementation of the utility model, and the parts not described in detail are common knowledge of ordinary technicians in this field. The protection scope of the utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. An automatic feeding mechanism for a laser cutting machine, characterized in that: It comprises a plate conveying line (1) and a laser cutting machine (22), with a plate transfer device provided between the two; The plate conveyor line (1) comprises a conveyor belt (2), and a plate positioning mechanism is provided at the discharge end of the plate conveyor line (1); The plate transfer device comprises a sliding seat (17), the upper surface of the sliding seat (17) is provided with two parallel connecting rods (9), the upper end of the connecting rod (9) is provided with a transfer plate (10), and a suction cup (16) is provided below the transfer plate (10); The lower ends of the two connecting rods (9) are hinged on the sliding seat (17), and the upper ends are hinged on the transfer plate (10), so that the two connecting rods (9), the sliding seat (17) and the transfer plate (10) form a parallel four-bar mechanism. A push-pull cylinder (11) is also provided on the sliding seat (17), and the telescopic rod of the push-pull cylinder (11) is hinged to one of the connecting rods (9).

2. The automatic feeding mechanism for a laser cutting machine according to claim 1, characterized in that: A suspension arm (12) is horizontally arranged on the side of the transfer plate (10), a top plate (14) is installed below the end of the suspension arm (12), and a suction cup (16) is arranged below the top plate (14).

3. The automatic feeding mechanism for a laser cutting machine according to claim 2, characterized in that: The top plate (14) is a rectangular structure, and an extension rod (15) is vertically installed at each of the four corners of the lower surface of the top plate (14), and a suction cup (16) is installed at the lower end of the extension rod (15).

4. The automatic feeding mechanism for a laser cutting machine according to claim 3, characterized in that: A steering cylinder (13) is installed on the boom (12), the rear end of the steering cylinder (13) is hinged on the boom (12), the telescopic rod of the steering cylinder (13) is hinged on a corner of the upper surface of the top plate (14), and the steering cylinder (13) pushes and pulls the top plate (14) to rotate the top plate (14) 90 degrees.

5. The automatic feeding mechanism for a laser cutting machine according to claim 1, characterized in that: The plate positioning mechanism comprises two bottom limit cylinders (3) vertically arranged at the lower side of the front end of the plate conveyor line (1); the telescopic rods of the bottom limit cylinders (3) are equipped with stop columns (4); and the stop columns (4) limit the front and rear positions of the plates when they are raised.

6. The automatic feeding mechanism for a laser cutting machine according to claim 5, characterized in that: The plate positioning mechanism also includes side limiting cylinders (5) installed horizontally on both sides of the plate conveying line (1), and a positioning plate (6) is fixedly installed on the telescopic rod of the side limiting cylinder (5). A push plate (7) is provided on the front side of the positioning plate (6) on one side of the plate conveying line (1), and the push plate (7) is elastically installed together with the positioning plate.

7. The automatic feeding mechanism for a laser cutting machine according to claim 1, characterized in that: A base (8) is provided at the lower end of the sliding seat (17). The sliding seat (17) is slidably mounted on the upper surface of the base (8) via a slide rail. A fixing nut (1701) is fixed on one side of the sliding seat (17). The fixing nut (1701) is threadably matched with a lead screw (18). The lead screw (18) is rotatably mounted on the upper surface of the base (8).

8. The automatic feeding mechanism for a laser cutting machine according to claim 1, characterized in that: Track wheels are respectively installed on both sides of the lower end of the base (8), and the track wheels are in transmission cooperation with the ground rail (19), and the ground rail (19) is parallel to the length direction of the laser cutting machine (22).

9. The automatic feeding mechanism for a laser cutting machine according to claim 8, characterized in that: A gear (21) is rotatably mounted on the lower end of the base (8). The gear (21) is driven by a motor. The gear (21) is meshed with a rack (20) for transmission. The rack (20) is arranged parallel to the ground rail (19).

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