Vertical automatic rotary fixture

Abstract

The present invention relates to the field of fixture technology, in particular to a vertical automatic rotary fixture, which comprises a rotating platform base, a fixture mounting frame, a first side-standing fixture, a second side-standing fixture, a third side-standing fixture, a fourth side-standing fixture and a piece-removing gripper, a fixture mounting frame is installed in the middle of the top surface of the rotating platform base, and the sides of the fixture mounting frame are successively installed with the first side-standing fixture, the second side-standing fixture, the third side-standing fixture and the fourth side-standing fixture, and a piece-removing gripper is installed at the corner end of the bottom surface of the rotating platform base; the present invention has a simple structure and strong practicality. By providing a rotating platform base, a fixture mounting frame, a first side-standing fixture, a second side-standing fixture, a third side-standing fixture, a fourth side-standing fixture and a piece-removing gripper, the occupied area of ​​the production line is greatly reduced, the segment-taking operation is simple, convenient and fast, the labor intensity of the operators is reduced, the segment-taking time is shortened, the utilization rate of the production line is improved, and the production efficiency of the production line is also improved.

Description

Technical Field

[0001] The invention relates to the technical field of clamps, in particular to a vertical automatic rotary clamp. Background Art

[0002] A fixture is a device used to fix the workpiece in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process can be called a fixture.

[0003] In the existing clamping mode, each time the clamping is taken, it can only complete the production of one part. For a multi-part production line, frequent clamping will increase the labor intensity of the operator and reduce the production line utilization rate. In addition, the existing clamps are placed horizontally and occupy a large area. Based on this, we propose a vertical automatic rotary clamp to solve the shortcomings of the existing technology. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a vertical automatic rotary clamp. The rotary clamp has a simple structural design. When performing segment taking operations, the operator only needs to switch the program on the operation panel to complete the entire segment taking process. This reduces the burden on the operator while also shortening the segment taking time and improving production efficiency.

[0005] The technical solution of the present invention is:

[0006] A vertical automatic rotary clamp is characterized in that it includes a rotating platform base, a clamp mounting frame, a first side-standing clamp, a second side-standing clamp, a third side-standing clamp, a fourth side-standing clamp and a piece-removing gripper. The clamp mounting frame is installed in the middle of the top surface of the rotating platform base, and the first side-standing clamp, the second side-standing clamp, the third side-standing clamp and the fourth side-standing clamp are installed on the side of the clamp mounting frame in sequence. The piece-removing gripper is installed at the corner end of the bottom surface of the rotating platform base.

[0007] Furthermore, the rotating platform base includes a mounting base plate, an adjusting angle iron, a flat iron fork, a cushion block, a mounting plate, a cam rotating table, a photoelectric mounting block and a reflecting photoelectric. A pair of adjusting angle irons are installed on the side ends of the mounting base plate, a pair of flat iron forks are installed at both ends of the top surface of the mounting base plate and corresponding to the adjusting angle irons, cushion blocks are installed on the triangular positions of the bottom surface of the mounting base plate, a mounting plate is installed on the other corner position of the bottom surface of the mounting base plate, a cam rotating table is installed in the middle of the top surface of the mounting base plate, a photoelectric mounting block is installed on the top of the cam rotating table, and a reflecting photoelectric is installed on the photoelectric mounting block.

[0008] Furthermore, the fixture mounting frame includes a mounting bracket, a first square steel bracket, a hinge, a photoelectric mounting angle iron, a branch valve, a proximity photoelectric, a bolt, a corresponding photoelectric mounting L-plate, a corresponding photoelectric mounting block, a corresponding photoelectric and a rotating joint. Four first square steel brackets are installed on the outside of the mounting bracket in sequence, and a number of hinges are evenly spaced on the outside of the first square steel bracket. Photoelectric mounting angle irons are installed on the bottom side of the mounting bracket. A branch valve is installed on the top surface of one bottom side of the mounting bracket. A proximity photoelectric is installed on the top surface of one bottom side of the mounting bracket and on one side of the branch valve. Bolts are arranged on the top of the bottom surface of the mounting bracket. A corresponding photoelectric mounting L-plate is installed on the inner side of the bottom of the mounting bracket. A corresponding photoelectric mounting block is installed on the bottom surface of the corresponding photoelectric mounting L-plate. A corresponding photoelectric is installed on the corresponding photoelectric mounting block. A rotating joint is installed on the bottom surface of the corresponding photoelectric mounting L-plate and on one side of the corresponding photoelectric mounting block.

[0009] Furthermore, the bottom surfaces of the first side stand clamp, the second side stand clamp, the third side stand clamp and the fourth side stand clamp are all provided with a BASE plate, and the BASE plate is provided with a number of movable pins corresponding to the hinges, and the first side stand clamp, the second side stand clamp, the third side stand clamp and the fourth side stand clamp are all connected to the hinges of the clamp mounting frame through the movable pins.

[0010] Furthermore, the picking gripper includes a square steel base frame, a grabbing gripper and a placement table. The square steel base frame is installed on the top surface of the mounting plate, the grabbing gripper is installed inside the square steel base frame, and the placement table is connected to one side of the square steel base frame.

[0011] Furthermore, the grabbing clamp includes a rising square steel, a bearing support seat, a first guide rail slider, a trapezoidal screw, a first screw nut, a bearing fixing seat anti-rotation device, a key, a first hand wheel, a limit block, a stopper, a shaft ring, a retaining ring, a ball bearing, a buffer mounting plate, a buffer, a rubber pad, a limit bolt, an L-shaped cylinder mounting plate, a single-rod cylinder, an upper cylinder mounting plate, a bushing, a rotating arm, a cylinder joint, a gasket, a mounting bolt, an adjustment plate, a picking cylinder, a bearing mounting plate, a linear bearing, a guide shaft, a spring, a magnet mounting block and an electromagnetic Iron, a bearing and a support seat are installed on one side of the rising square steel, a trapezoidal screw is installed on the top surface of the bearing support seat through a first guide rail slider, a first screw nut and a bearing fixing seat anti-rotation device are installed on the top of the trapezoidal screw in sequence, a first hand wheel is connected to the top of the trapezoidal screw and the top of the bearing fixing seat anti-rotation device through a key, a limit block is installed at the first hand wheel, a stop block is installed on one side of the top of the rising square steel, a shaft ring is installed on one side of the top of the rising square steel and above the stop block, the rising square steel A retaining ring is installed on one side of the top and above the shaft ring, a ball bearing is installed on one side of the top of the rising square steel and above the retaining ring, a buffer mounting plate is installed on one side of the top surface of the rising square steel, a buffer is installed on the buffer mounting plate, a limiting bolt is installed on the buffer through a rubber pad, a single-rod cylinder is installed on the other side of the top surface of the rising square steel through an L-shaped cylinder mounting plate, an upper cylinder mounting plate is installed on the top of the L-shaped cylinder mounting plate, a bushing is sleeved on the outer side of one end of the single-rod cylinder, a rotating arm is installed on the top end of the rising square steel, a cylinder joint is installed on the push rod end of the single-rod cylinder, a mounting bolt is installed at the cylinder joint through a gasket, an adjusting plate is installed on the outer side of one end of the rotating arm, a pick-up cylinder is installed on the adjusting plate, a bearing mounting plate is connected to the outer side of the pick-up cylinder, a linear bearing and a guide shaft are installed at both ends of the bearing mounting plate, a magnet mounting block is connected to the outer side of the bearing mounting plate through a linear bearing, and the other end of the magnet mounting block is connected to an electromagnet through a spring.

[0012] Furthermore, the placement table includes a second square steel bracket, a bearing mounting plate, a bearing, a slider mounting plate, a second guide rail slider, a screw rod, a second screw rod nut, an anti-rotation fixing piece, a second hand wheel, a hand wheel key, a rubber pad, a limit plate, a narrow rubber pad and a placement mounting table, a bearing mounting plate is installed at the outer bottom of the second square steel bracket, bearings are installed on both sides of the top surface of the bearing mounting plate, a slider mounting plate is installed on the top of the bearing, a second guide rail slider is installed on the top of the slider mounting plate, a screw rod is installed at the top middle of the bearing mounting plate, a second screw rod nut is installed at the bottom of the screw rod, the top of the screw rod is connected to the second square steel bracket and is connected to the second hand wheel through the anti-rotation fixing piece, a hand wheel key is installed on the second hand wheel, a rubber pad is connected to the bottom of the second square steel bracket, a limit plate is installed on one side of the top surface of the rubber pad, a narrow rubber pad is installed on the outer side of the limit plate, and the bottom surface end of the rubber pad is connected to the placement mounting table.

[0013] The beneficial effects of the present invention are as follows: the present invention has a simple structure and strong practicality. By providing a rotating platform base, a fixture mounting frame, a first side-standing fixture, a second side-standing fixture, a third side-standing fixture, a fourth side-standing fixture and a piece-picking gripper, the occupied area of ​​the production line is greatly reduced, and the segment-picking operation is simple, convenient and quick, which reduces the labor intensity of the operators, shortens the segment-picking time, improves the utilization rate of the production line, and also improves the production efficiency of the production line; in addition, the fixture is installed on the fixture mounting frame by a movable pin, making it easier to install and maintain, and, due to the rotating characteristics of the vertical fixture, a slip ring connection is used in the electrical connection to ensure that the electrical connection is not affected when the fixture rotates; at the same time, the piece-picking gripper uses an electromagnet gripper for automatic piece picking, which reduces the number of operator actions, and the fixture mounting frame adopts a 90° design to save space to the maximum extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 It is a structural schematic diagram of the rotating platform base of the present invention;

[0016] Figure 3 It is a structural schematic diagram of the clamp mounting frame of the present invention;

[0017] Figure 4 This is a schematic diagram of the structure of the object-taking gripper of the present invention;

[0018] Figure 5 This is a schematic diagram of the structure of the grabbing gripper of the present invention;

[0019] Figure 6 It is a structural schematic diagram of the placement table of the present invention;

[0020] Figure 7This is a schematic diagram of the present invention after the side-standing clamp is installed;

[0021] Figure 8-10 Schematic diagram of the structure of various side-standing clamps. DETAILED DESCRIPTION

[0022] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings:

[0023] like Figure 1-6 As shown, a vertical automatic rotary clamp comprises a rotating platform base 1, a clamp mounting frame 2, a first side-standing clamp 3, a second side-standing clamp 4, a third side-standing clamp 5, a fourth side-standing clamp 6 and a piece-removing gripper 7. The clamp mounting frame 2 is mounted in the middle of the top surface of the rotating platform base 1, and the first side-standing clamp 3, the second side-standing clamp 4, the third side-standing clamp 5 and the fourth side-standing clamp 6 are mounted on the side surfaces of the clamp mounting frame 2 in sequence, and a piece-removing gripper 7 is mounted at the corner end of the bottom surface of the rotating platform base 1.

[0024] The rotating platform base 1 includes a mounting base plate 8, an adjusting angle iron 9, a flat iron fork 10, a cushion block 13, a mounting plate 12, a cam rotating platform 14, a photoelectric mounting block 15 and a first opposing photoelectric 25. A pair of adjusting angle irons 9 are installed on the side ends of the mounting base plate 8, a pair of flat iron forks 10 are installed at both ends of the top surface of the mounting base plate 8 and corresponding to the adjusting angle irons 9, cushion blocks 13 are installed at the triangular positions of the bottom surface of the mounting base plate 8, a mounting plate 12 is installed at another corner position of the bottom surface of the mounting base plate 8, a cam rotating platform 14 is installed in the middle of the top surface of the mounting base plate 8, a photoelectric mounting block 15 is installed on the top of the cam rotating platform 14, and a first opposing photoelectric 11 is installed on the photoelectric mounting block 15.

[0025] The fixture mounting frame 2 includes a mounting bracket 17, a first square steel bracket 16, a hinge, a photoelectric mounting angle iron 23, a branch valve 21, a proximity photoelectric 20, a bolt 22, a photoelectric mounting L plate 19, a photoelectric mounting block 24, a second photoelectric mounting 25 and a rotary joint 18. Four first square steel brackets 16 are sequentially mounted on the outer side of the mounting bracket 17, and a plurality of hinges are evenly spaced on the outer side of the first square steel bracket 16. The bottom side of the mounting bracket 17 is mounted with a photoelectric mounting angle iron 23. The top of the bottom side of the mounting bracket 17 is A branch valve 21 is installed on the surface, a proximity photoelectric 20 is installed on the top surface of one side of the bottom of the mounting bracket 17 and on one side of the branch valve 21, a bolt 22 is provided on the top of the bottom surface of the mounting bracket 17, a counter-photoelectric mounting L-plate 19 is installed on the inner side of the bottom of the mounting bracket 17, a counter-photoelectric mounting block 24 is installed on the bottom surface of the counter-photoelectric mounting L-plate 19, a second counter-photoelectric 25 is installed on the counter-photoelectric mounting block 24, a rotary joint 18 is installed on the bottom surface of the counter-photoelectric mounting L-plate 19 and on one side of the counter-photoelectric mounting block 24.

[0026] The bottom surfaces of the first side stand clamp 3, the second side stand clamp 4, the third side stand clamp 5 and the fourth side stand clamp 6 are all provided with a BASE plate, and the BASE plate is provided with a number of movable pins corresponding to the hinges. The first side stand clamp 3, the second side stand clamp 4, the third side stand clamp 5 and the fourth side stand clamp 6 are all hingedly connected to the clamp mounting frame 2 through the movable pins.

[0027] The picking gripper 7 includes a square steel base frame 26, a grabbing gripper 27 and a placement table 28. The square steel base frame 26 is installed on the top surface of the mounting plate 12, the grabbing gripper 27 is installed inside the square steel base frame 26, and one side of the square steel base frame 26 is connected to the placement table 28.

[0028] The grabbing gripper 27 includes a rising square steel 30, a bearing support seat 44, a first guide rail slider 45, a trapezoidal screw 43, a first screw nut 46, a bearing fixing seat anti-rotation device 60, a key, a first hand wheel 47, a limit block 30, a stopper 38, a collar 39, a retaining ring 61, a ball bearing 56, a buffer mounting plate 58, a buffer 31, a rubber pad 57, a limit bolt 59, an L-shaped cylinder mounting plate 35, a single-rod cylinder 48, an upper cylinder mounting plate 34, a bushing 49, a rotating arm 37, a cylinder joint 50, a gasket 41, a mounting bolt 40, an adjustment plate 32, a take-up cylinder 55, a bearing mounting plate 33, a linear bearing 53, a guide shaft 54, and a spring. 51, magnet mounting block 36 and electromagnet 52, a bearing 42 support seat 44 is installed on one side of the rising square steel 29, a trapezoidal screw 43 is installed on the top surface of the bearing 42 support seat 44 through a first guide rail slider 45, a first screw nut 46 and a bearing fixing seat anti-rotation device 60 are installed on the top of the trapezoidal screw 43 in sequence, a first hand wheel 47 is connected to the top of the trapezoidal screw 43 and located at the top of the bearing fixing seat anti-rotation device 60 through a key, a limit block 30 is installed at the first hand wheel 47, a stopper 38 is installed on one side of the top of the rising square steel 29, and a collar 3 is installed on one side of the top of the rising square steel 29 and located above the stopper 38 9, a retaining ring 61 is installed on one side of the top of the rising square steel 29 and above the shaft ring 39, a ball bearing 56 is installed on one side of the top of the rising square steel 29 and above the retaining ring 61, a buffer mounting plate 58 is installed on one side of the top surface of the rising square steel 29, a buffer 31 is installed on the buffer mounting plate 58, and a limiting bolt 59 is installed on the buffer 31 through a rubber pad 57, a single-rod cylinder 48 is installed on the other side of the top surface of the rising square steel 29 through an L-shaped cylinder mounting plate 35, an upper cylinder mounting plate 34 is installed on the top of the L-shaped cylinder mounting plate 35, and a bushing 49 is sleeved on the outer side of one end of the single-rod cylinder 48, A rotating arm 37 is installed at the top end of the rising square steel 29, and a cylinder joint 50 is installed at the push rod end of the single-rod cylinder 48. A mounting bolt 40 is installed at the cylinder joint 50 through a gasket 41. An adjusting plate 32 is installed on the outer side of one end of the rotating arm 37, and a picking cylinder 55 is installed on the adjusting plate 32. The outer side of the picking cylinder 55 is connected to a bearing mounting plate 33, and linear bearings 53 and guide shafts 54 are respectively installed at both ends of the bearing mounting plate 33. The outer side of the bearing mounting plate 33 is connected to a magnet mounting block 36 through a linear bearing 53, and the other end of the magnet mounting block 36 is connected to an electromagnet 52 through a spring 51.

[0029] The placement platform 28 includes a second square steel bracket 68, a bearing mounting plate 66, a bearing 62, a slider mounting plate 69, a second guide rail slider 65, a screw, a second screw nut 71, an anti-rotation fixing member 67, a second hand wheel 75, a hand wheel key, a rubber pad 73, a limit plate 64, a narrow rubber pad 74 and a placement mounting platform 63. The outer bottom of the second square steel bracket 68 is installed with a bearing mounting plate 66, both sides of the top surface of the bearing mounting plate 66 are installed with bearings 62, the top of the bearing 62 is installed with a slider mounting plate 69, and the top of the slider mounting plate 69 is installed with The second guide rail slider 65, a screw rod 72 is installed in the middle of the top of the bearing mounting plate 69, a second screw rod nut 71 is installed at the bottom of the screw rod 72, the top of the screw rod 72 is connected to the second square steel bracket 68 and is connected to the second hand wheel 75 through the anti-rotation fixing piece 67, a hand wheel key is installed on the second hand wheel 75, a rubber pad 73 is connected to the bottom of the second square steel bracket 68, a limit plate 64 is installed on one side of the top surface of the rubber pad 73, a narrow rubber pad 74 is installed on the outer side of the limit plate 64, and the bottom end of the rubber pad 73 is connected to the placement mounting table 63.

[0030] The working principle of the present invention is: when working, the staff first connects the device to the power supply, and then starts the piece-picking gripper. The staff switches the program on the operation panel, and the piece-picking gripper magnetically holds the workpiece and installs it on the first side stand clamp, the second side stand clamp, the third side stand clamp and the fourth side stand clamp in sequence. After the workpiece segment is taken and installed, the workpiece can be processed and produced.

[0031] Technical effects:

[0032] 1. This device is equipped with a cam rotating table, which can accommodate multiple fixtures while maximizing the utilization rate of the robot; 2. When parts are cut, other parts fixtures can be replaced, and the production line is highly flexible; 3. New explorations have been made in saving production area, and experience has been accumulated for the later intelligent production line settings; 4. While greatly reducing the burden on operators, it also shortens the section picking time and improves production efficiency; 5. The equipment used for welding is also saved compared to before.

[0033] The present invention greatly reduces the occupied area of ​​the production line by providing a rotating platform base, a fixture mounting frame, a first side-standing fixture, a second side-standing fixture, a third side-standing fixture, a fourth side-standing fixture and a piece-taking gripper. The segment-taking operation is simple, convenient and quick, which reduces the labor intensity of the operators, shortens the segment-taking time, improves the utilization rate of the production line, and also improves the production efficiency of the production line. In addition, the fixture is mounted on the fixture mounting frame with a movable pin, which makes it easier to install and maintain. Moreover, due to the rotating characteristics of the vertical fixture, a slip ring connection is adopted in the electrical connection to ensure that the electrical connection is not affected when the fixture rotates. At the same time, the piece-taking gripper adopts an electromagnet gripper for automatic piece taking, which reduces the number of actions of the operator. Moreover, the fixture mounting frame adopts a 90° design to save space to the maximum extent.

[0034] For the present invention, the type of the side stand fixture is not fixed; it is a type of fixture that the user can select according to the needs of the processed product, for example Figure 8-10 Any one of the types shown can be used. Such clamps are existing products and the present invention will not elaborate on their structures.

[0035] The above embodiments and descriptions are only for illustrating the principles and best embodiments of the present invention. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and improvements, all of which fall within the scope of the present invention to be protected.

Claims

1.Vertical automatic rotary fixture, characterized in that: The utility model comprises a rotating platform base, a fixture mounting frame, a first side-standing fixture, a second side-standing fixture, a third side-standing fixture, a fourth side-standing fixture and a piece-taking gripper, wherein the fixture mounting frame is mounted on the middle of the top surface of the rotating platform base, the first side-standing fixture, the second side-standing fixture, the third side-standing fixture and the fourth side-standing fixture are mounted on the side surface of the fixture mounting frame in sequence, and the piece-taking gripper is mounted on the corner end of the bottom surface of the rotating platform base; The rotating platform base includes a mounting base plate, an adjustment angle iron, a flat iron fork, a cushion block, a mounting plate, a cam rotating platform, a photoelectric mounting block and a first photoelectric pair. A pair of adjustment angle irons are installed at the side ends of the mounting base plate, a pair of flat iron forks are installed at both ends of the top surface of the mounting base plate and at the corresponding adjustment angle irons, cushion blocks are installed at the triangular positions of the bottom surface of the mounting base plate, a mounting plate is installed at the other corner position of the bottom surface of the mounting base plate, a cam rotating platform is installed in the middle of the top surface of the mounting base plate, a photoelectric mounting block is installed on the top of the cam rotating platform, and a first photoelectric pair is installed on the photoelectric mounting block; The fixture mounting frame includes a mounting bracket, a first square steel bracket, a hinge, a photoelectric mounting angle iron, a branch valve, a proximity photoelectric, a bolt, a corresponding photoelectric mounting L plate, a corresponding photoelectric mounting block, a second corresponding photoelectric and a rotary joint. Four first square steel brackets are sequentially installed on the outer side of the mounting bracket, and a number of hinges are evenly spaced on the outer side of the first square steel bracket. Photoelectric mounting angle irons are installed on the bottom side of the mounting bracket. A branch valve is installed on the top surface of the bottom side of the mounting bracket. A proximity photoelectric is installed on the top surface of the bottom side of the mounting bracket and on one side of the branch valve. Bolts are arranged on the top of the bottom surface of the mounting bracket. A corresponding photoelectric mounting L plate is installed on the inner side of the bottom of the mounting bracket. A corresponding photoelectric mounting block is installed on the bottom surface of the corresponding photoelectric mounting L plate. A second corresponding photoelectric is installed on the corresponding photoelectric mounting block. A rotary joint is installed on the bottom surface of the corresponding photoelectric mounting L plate and on one side of the corresponding photoelectric mounting block. The bottom surfaces of the first side stand clamp, the second side stand clamp, the third side stand clamp and the fourth side stand clamp are all provided with a BASE plate, and the BASE plate is provided with a plurality of movable latches corresponding to the hinges, and the first side stand clamp, the second side stand clamp, the third side stand clamp and the fourth side stand clamp are all connected to the hinge of the clamp mounting frame through the movable latches; The picking gripper comprises a square steel base frame, a grabbing gripper and a placing table. The top surface of the mounting plate is mounted with the square steel base frame, the grabbing gripper is mounted inside the square steel base frame, and one side of the square steel base frame is connected with the placing table. The grabbing gripper comprises a rising square steel, a bearing support seat, a first guide rail slider, a trapezoidal screw, a first screw nut, a bearing fixing seat anti-rotation device, a key, a first hand wheel, a limit block, a stopper, a shaft ring, a snap ring, a ball bearing, a buffer mounting plate, a buffer, a rubber pad, a limit bolt, an L-shaped cylinder mounting plate, a single-rod cylinder, an upper cylinder mounting plate, a bushing, a rotating arm, a cylinder joint, a gasket, a mounting bolt, an adjustment plate, a pick-up cylinder, a bearing mounting plate, a linear bearing, a guide shaft, a spring, a magnet mounting block and an electromagnet. A bearing support seat is installed on one side of the rising square steel, and a trapezoidal screw rod is installed on the top surface of the bearing support seat through a first guide rail slider, and a first screw rod nut and a bearing fixing seat anti-rotation device are installed on the top of the trapezoidal screw rod in sequence, and a first hand wheel is connected to the top of the trapezoidal screw rod and the top of the bearing fixing seat anti-rotation device through a key, and a limit block is installed at the first hand wheel, and a stop block is installed on one side of the top of the rising square steel, and a shaft ring is installed on one side of the top of the rising square steel and above the stop block, and the top of the rising square steel A snap ring is installed on one side and above the shaft ring, a ball bearing is installed on one side of the top of the rising square steel and above the snap ring, a buffer mounting plate is installed on one side of the top surface of the rising square steel, a buffer is installed on the buffer mounting plate, a limiting bolt is installed on the buffer through a rubber pad, a single-rod cylinder is installed on the other side of the top surface of the rising square steel through an L-shaped cylinder mounting plate, an upper cylinder mounting plate is installed on the top of the L-shaped cylinder mounting plate, a bushing is sleeved on the outer side of one end of the single-rod cylinder, a rotating arm is installed on the top end of the rising square steel, a cylinder joint is installed on the push rod end of the single-rod cylinder, a mounting bolt is installed at the cylinder joint through a gasket, an adjusting plate is installed on the outer side of one end of the rotating arm, a pick-up cylinder is installed on the adjusting plate, a bearing mounting plate is connected to the outer side of the pick-up cylinder, a linear bearing and a guide shaft are installed at both ends of the bearing mounting plate, a magnet mounting block is connected to the outer side of the bearing mounting plate through a linear bearing, and the other end of the magnet mounting block is connected to an electromagnet through a spring; The placing table comprises a second square steel bracket, a bearing mounting plate, a bearing, a slider mounting plate, a second guide rail slider, a screw rod, a second screw rod nut, an anti-rotation fixing piece, a second hand wheel, a hand wheel key, a rubber pad, a limit plate, a narrow rubber pad and a placing and mounting table, wherein a bearing mounting plate is installed at the outer bottom of the second square steel bracket, bearings are installed on both sides of the top surface of the bearing mounting plate, a slider mounting plate is installed on the top of the bearing, a second guide rail slider is installed on the top of the slider mounting plate, a screw rod is installed at the top middle part of the bearing mounting plate, a second screw rod nut is installed at the bottom of the screw rod, the top of the screw rod is connected to the second square steel bracket and is connected to the second hand wheel through the anti-rotation fixing piece, a hand wheel key is installed on the second hand wheel, a rubber pad is connected to the bottom of the second square steel bracket, a limit plate is installed on one side of the top surface of the rubber pad, a narrow rubber pad is installed on the outer side of the limit plate, and the bottom surface end of the rubber pad is connected to the placing and mounting table.

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