Electric automatic feeding device

Abstract

The utility model belongs to the technical field of electrical automation, and particularly relates to an electrical automation feeding device which comprises supporting legs. A plurality of groups of first guide rods are fixedly connected to the side wall of one side of the supporting leg; first connecting blocks are slidably connected to the outer side walls of the first guide rods; one end of each first connecting block is fixedly connected with a connecting frame; a conveying belt is arranged on the inner side of the connecting frame; a pair of first connecting plates is fixedly connected to the side wall of one side of the supporting leg; rotating shafts are rotationally connected to the inner sides of the first connecting plates; a first gear drives a second gear to rotate, in the rotating process of the second gear, a threaded rod is driven to move upwards, the threaded rod drives a connecting frame to move upwards along with the second gear, in the moving process of the connecting frame, the conveying belt moves upwards along with the connecting frame, the effect of adjusting the height of the conveying belt can be achieved, and the conveying belt can adapt to storage boxes of different heights; and therefore, the practicability of the conveying belt is improved, and the overall production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical automation, in particular to an electrical automation feeding device. Background Art

[0002] The electrical automatic feeding device is a device that can transport electrical workpieces accurately and efficiently, and the electrical automatic feeding device is widely used in various production lines, such as automobile manufacturing, chemical production and other fields.

[0003] In the current existing technology, the electric automatic feeding device is mainly composed of fixed legs, a connecting frame, a servo motor, a conveyor belt, a sensor and other components. These components work together to ensure that the overall device can operate stably for a long time.

[0004] In the existing electrical automation feeding devices, since the heights of most conveying devices are often fixed, when the conveying devices are needed to convey the electrical workpieces to the storage boxes at different heights, it is necessary to replace the conveying devices at different heights to carry out the conveying work of the electrical workpieces, which is not only time-consuming and labor-intensive, but also reduces the practicality of the conveying devices. Therefore, an electrical automation feeding device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes an electric automatic feeding device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: an electric automatic feeding device described in the utility model comprises a leg; a plurality of first guide rods are fixedly connected to the side wall of one side of the leg; the outer side wall of the first guide rod is slidably connected to the first connecting block; one end of the first connecting block is fixedly connected to a connecting frame; a conveyor belt is arranged on the inner side of the connecting frame; a pair of first connecting plates are fixedly connected to the side wall of one side of the leg; the inner side of the first connecting plate is rotatably connected to a rotating shaft; a first servo motor is fixedly connected to the bottom of the connecting frame; the output end of the first servo motor is connected to the rotating shaft; the bottom of the first connecting plate is rotatably connected to a pulley; the surface of the pulley is sleeved with a belt; the outer side wall of the rotating shaft is fixedly connected to a first gear; the first gear is rotatably connected to the first connecting plate; a pair of second gears are rotatably connected to the top of the first connecting plate; the bottom of the second gear is rotatably connected to the first connecting plate; a pair of threaded rods are threadedly connected to the surface of the first connecting plate; the second gear is threadedly connected to the threaded rod; the top of the threaded rod is rotatably connected to the bottom of the connecting frame.

[0007] Preferably, a pair of fixed plates are fixedly connected to the side wall of one side of the connecting frame; a second servo motor is fixedly connected to the top of the fixed plate; a first mounting plate is fixedly connected to the top of the fixed plate; a rotating hole is opened on the side wall of the first mounting plate close to the second servo motor; a bidirectional screw rod is rotatably connected to the inner side of the rotating hole; the output end of the second servo motor is connected to the bidirectional screw rod; a second guide rod is fixedly connected to the side wall of one side of the fixed plate; a second connecting block is slidably connected to the outer side wall of the second guide rod; a pair of movable plates are threadedly connected to the outer side wall of the bidirectional screw rod; one end of the second connecting block is mutually connected to the movable plate; and a pushing plate is fixedly connected to the top of the movable plate.

[0008] Preferably, a fixing box is fixedly connected to the inner bottom of the connecting frame; a cleaning plate is slidably connected to the inner side of the fixing box; a plurality of groups of spring columns are fixedly connected to the inner bottom of the cleaning plate; and the top ends of the spring columns are interconnected with the cleaning plate.

[0009] Preferably, a sliding groove is provided on the outer wall of the connecting frame; a pair of sliders are slidably connected to the inner side of the sliding groove; a second connecting plate is fixedly connected to one end of the slider; a fixing column is fixedly connected to the side wall close to one side of the second connecting plate; and the fixing column is connected to the push plate at one end close to the conveyor belt.

[0010] Preferably, the side walls of one side of the push plate are each provided with an inner groove; a plurality of groups of connecting columns are fixedly connected to the inner side walls of the inner groove; and a rotating column is rotatably connected to the surface of the connecting column.

[0011] Preferably, a first magnetic block is fixedly connected to the bottom of the cleaning plate; a second magnetic block is fixedly connected to the bottom of the inner side of the fixing box; the first magnetic block and the second magnetic block are both arranged on the inner side of multiple groups of spring columns.

[0012] Preferably, the top ends of the first guide rods are fixedly connected to limiting blocks.

[0013] The utility model is beneficial in that:

[0014] 1. An electrical automatic feeding device described in the utility model, when the height of the conveyor belt needs to be adjusted, the first servo motor is started to drive the rotating shaft to drive the pulley to rotate. Through the arranged belt, the rotating shaft can drive a pair of pulleys to rotate in the same direction during rotation, and the pair of rotating shafts can follow the rotation in the same direction. The rotation of the rotating shaft drives the first gear to rotate, and the first gear drives the second gear to rotate. During the rotation of the second gear, the threaded rod is driven to move upward, and the threaded rod drives the connecting frame to move upward. During the movement of the connecting frame, the conveyor belt follows and moves upward, so as to achieve the effect of adjusting the height of the conveyor belt, so that the conveyor belt can adapt to storage boxes of different heights, thereby improving the practicability of the conveyor belt and improving the overall production efficiency; and through the mutual cooperation between the first guide rod and the first connecting block, the support and limiting work can be performed when the connecting frame moves, thereby improving the stability of the connecting frame when moving.

[0015] 2. The utility model describes an electrical automatic feeding device, which starts the second servo motor to drive the bidirectional screw to rotate inside the rotating hole. During the rotation of the bidirectional screw, the movable plate can be moved toward the side close to each other. During the movement of the movable plate, the pushing plate follows the movement. During the movement of the pushing plate, the electrical workpieces on the surface of the conveyor belt can be pushed toward the middle, so that the electrical workpieces are moved in a state of mutual alignment, thereby improving the overall conveying efficiency of the electrical workpieces and improving the accuracy of the electrical workpieces when they are conveyed to the inside of the storage box through the conveyor belt; through the cooperation between the second guide rod, the second connecting block and the movable plate, the limiting work can be performed when the movable plate moves, thereby improving the stability of the movable plate when moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a three-dimensional diagram of the supporting legs in the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the threaded rod in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the push plate in the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the first servo motor in the utility model;

[0021] In the figure: 1, support leg; 11, connecting frame; 12, conveyor belt; 13, first guide rod; 14, first connecting block; 15, first connecting plate; 16, rotating shaft; 17, first servo motor; 18, pulley; 19, belt; 110, first gear; 111, second gear; 112, threaded rod; 2, fixed plate; 21, second servo motor; 22, first mounting plate; 23, rotating hole; 24, two-way screw rod; 25, second guide rod; 26, second connecting block; 27, moving plate; 28, pushing plate; 3, fixed box; 31, cleaning plate; 32, spring column; 4, slide groove; 41, slider; 42, second connecting plate; 43, fixed column; 5, inner groove; 51, connecting column; 52, rotating column; 6, first magnetic block; 61, second magnetic block; 7, limit block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1 , Figure 2 and Figure 4As shown, an electric automatic feeding device comprises a leg 1; a plurality of first guide rods 13 are fixedly connected to the side wall of one side of the leg 1; the outer side walls of the first guide rods 13 are slidably connected to the first connecting blocks 14; one end of the first connecting blocks 14 is fixedly connected to a connecting frame 11; a conveyor belt 12 is arranged inside the connecting frame 11; a pair of first connecting plates 15 are fixedly connected to the side wall of one side of the leg 1; the inner sides of the first connecting plates 15 are rotatably connected to the rotating shaft 16; a first servo motor 17 is fixedly connected to the bottom of the connecting frame 11; the output end of the first servo motor 17 is connected to the The rotating shafts 16 are connected to each other; the bottom of the first connecting plate 15 is rotatably connected to a pulley 18; the surface of the pulley 18 is sleeved with a belt 19; the outer wall of the rotating shaft 16 is fixedly connected to a first gear 110; the first gear 110 is rotatably connected to the first connecting plate 15; the top of the first connecting plate 15 is rotatably connected to a pair of second gears 111; the bottom of the second gear 111 is rotatably connected to the first connecting plate 15; the surface of the first connecting plate 15 is threadedly connected to a pair of threaded rods 112; the second gear 111 is connected to the threaded rod 1 12 is a threaded connection; the top of the threaded rod 112 is rotatably connected to the bottom of the connecting frame 11; when working: when the height of the conveyor belt 12 needs to be adjusted, the first servo motor 17 is started to drive the shaft 16 to drive the pulley 18 to rotate, and the belt 19 is set to make the shaft 16 rotate in the process, drive a pair of pulleys 18 to rotate in the same direction, and make a pair of shafts 16 rotate in the same direction, the shaft 16 rotates to drive the first gear 110 to rotate, the first gear 110 drives the second gear 111 to rotate, and the belt 19 rotates in the process of the second gear 111. The movable threaded rod 112 moves upward, and the threaded rod 112 drives the connecting frame 11 to move upward. During the movement of the connecting frame 11, the conveyor belt 12 moves upward accordingly, so as to achieve the effect of adjusting the height of the conveyor belt 12, so that the conveyor belt 12 can adapt to storage boxes of different heights, thereby improving the practicality of the conveyor belt 12 and improving the overall production efficiency; and through the cooperation between the first guide rod 13 and the first connecting block 14, the support and limiting work can be performed when the connecting frame 11 moves, thereby improving the stability of the connecting frame 11 when moving.

[0024] like Figure 1 and Figure 3As shown, a pair of fixed plates 2 are fixedly connected to the side wall of one side of the connecting frame 11; a second servo motor 21 is fixedly connected to the top of the fixed plate 2; a first mounting plate 22 is fixedly connected to the top of the fixed plate 2; a rotating hole 23 is opened on the side wall of the first mounting plate 22 close to the second servo motor 21; a bidirectional screw rod 24 is rotatably connected to the inner side of the rotating hole 23; the output end of the second servo motor 21 is connected to the bidirectional screw rod 24; a second guide rod 25 is fixedly connected to the side wall of one side of the fixed plate 2; a second connecting block 26 is slidably connected to the outer side wall of the second guide rod 25; a pair of movable plates 27 are threadedly connected to the outer side wall of the bidirectional screw rod 24; one end of the second connecting block 26 is connected to the movable plate 27; the top of the movable plate 27 is fixedly connected to a push rod Plate 28; when working: start the second servo motor 21 to drive the bidirectional screw rod 24 to rotate inside the rotating hole 23. During the rotation of the bidirectional screw rod 24, the movable plate 27 can be moved to the side close to each other. During the movement of the movable plate 27, the pushing plate 28 follows the movement. During the movement of the pushing plate 28, the electrical workpieces on the surface of the conveyor belt 12 can be pushed to the middle, so that the electrical workpieces are moved in a state of mutual alignment, thereby improving the overall transportation efficiency of the electrical workpieces and improving the accuracy of the electrical workpieces when they are transported to the inside of the storage box through the conveyor belt 12; through the cooperation between the second guide rod 25, the second connecting block 26 and the movable plate 27, the limiting work can be performed when the movable plate 27 moves, thereby improving the stability of the movable plate 27 when moving.

[0025] like Figure 1 and Figure 2 As shown, a fixed box 3 is fixedly connected to the bottom inner side of the connecting frame 11; a cleaning plate 31 is slidably connected to the inner side of the fixed box 3; a plurality of groups of spring columns 32 are fixedly connected to the bottom inner side of the cleaning plate 31; the top end of the spring column 32 is connected to the cleaning plate 31; during operation: the top end of the cleaning plate 31 is made of elastic material, and during the operation of the conveyor belt 12, the plurality of groups of spring columns 32 push the cleaning plate 31 to move inside the fixed box 3, and make the top end of the cleaning plate 31 contact with the outer surface of the conveyor belt 12, at this time, the top end of the cleaning plate 31 can clean the dust and impurities adhered to the outer surface of the conveyor belt 12 when it works for a long time, thereby improving the cleanliness of the outer surface of the conveyor belt 12 and reducing the difficulty of the staff in cleaning the dust and impurities adhered to the outer surface of the conveyor belt 12.

[0026] like Figure 1 , Figure 2 and Figure 3As shown, a slide groove 4 is provided on the outer wall of the connecting frame 11; a pair of sliders 41 are slidably connected to the inner side of the slide groove 4; one end of each slider 41 is fixedly connected to a second connecting plate 42; the second connecting plates 42 are fixedly connected to a fixed column 43 on one side of the side wall close to each other; the fixed column 43 is connected to the push plate 28 at one end close to the conveyor belt 12; during operation: because the second connecting plate 42 is respectively connected to the slider 41 and the fixed column 43, and the fixed column 43 is connected to the push plate 28, that is, during the movement of the push plate 28, the slider 41, the second connecting plate 42 and the fixed column 43 follow the movement through the inner side of the slide groove 4, and the slider 41, the second connecting plate 42 and the fixed column 43 can support and limit the moving push plate 28; the overall device improves the stability of the push plate 28 when it moves for a long time.

[0027] like Figure 1 and Figure 3 As shown, the side walls of one side of the pushing plate 28 are each provided with an inner groove 5; the inner side walls of the inner groove 5 are fixedly connected with multiple groups of connecting columns 51; the surfaces of the connecting columns 51 are rotatably connected with rotating columns 52; during operation: when the pushing plate 28 pushes the electrical workpiece to move toward the middle on the surface of the conveyor belt 12, the outer side walls of the multiple groups of rotating columns 52 first contact the surface of the electrical workpiece, and after the electrical workpiece has completed moving toward the middle and moves toward one end of the conveyor belt 12, the rotating columns 52 rotate accordingly, and the rotating columns 52 improve the stability of the electrical workpiece during movement.

[0028] like Figure 2 As shown, a first magnetic block 6 is fixedly connected to the bottom of the cleaning plate 31; a second magnetic block 61 is fixedly connected to the bottom of the inner side of the fixed box 3; the first magnetic block 6 and the second magnetic block 61 are both arranged on the inner side of the plurality of spring columns 32; when working: the first magnetic block 6 and the second magnetic block 61 repel each other due to the magnetic force, thereby pushing the top end of the cleaning plate 31 to fit more closely with the outer surface of the conveyor belt 12, so that the top end of the cleaning plate 31 is more effective in cleaning the dust and impurities adhered to the outer surface of the conveyor belt 12.

[0029] like Figure 1 and Figure 2 As shown, the top end of each of the first guide rods 13 is fixedly connected to a limit block 7; during operation: when the first connecting block 14 moves upward, the limit block 7 can limit the moving trajectory of the first connecting block 14, and the first connecting block 14 can limit the connecting frame 11, thereby avoiding the situation in which the first connecting block 14, the connecting frame 11 and the conveyor belt 12 move away from the outer surface of the first guide rod 13 when the first connecting block 14, the connecting frame 11 and the conveyor belt 12 move upward too high, thereby improving the stability of the first connecting block 14, the connecting frame 11 and the conveyor belt 12 when moving.

[0030] Working principle: when the height of the conveyor belt 12 needs to be adjusted, the first servo motor 17 is started to drive the rotating shaft 16 to drive the pulley 18 to rotate. Through the provided belt 19, the rotating shaft 16 can drive a pair of pulleys 18 to rotate in the same direction during its rotation, and the pair of rotating shafts 16 can follow the rotation in the same direction. The rotation of the rotating shaft 16 drives the first gear 110 to rotate, and the first gear 110 drives the second gear 111 to rotate. During the rotation of the second gear 111, the threaded rod 112 is driven to move upward, and the threaded rod 112 drives the connecting frame 11 to move upward. During the movement of the connecting frame 11, the conveyor belt 12 moves upward, so as to achieve the effect of adjusting the height of the conveyor belt 12, so that the conveyor belt 12 can adapt to storage at different heights. The box improves the practicality of the conveyor belt 12 and improves the overall production efficiency; and through the cooperation between the first guide rod 13 and the first connecting block 14, the support and limiting work can be performed when the connecting frame 11 moves, thereby improving the stability of the connecting frame 11 when it moves; the second servo motor 21 is started to drive the bidirectional screw rod 24 to rotate inside the rotating hole 23. During the rotation of the bidirectional screw rod 24, the moving plate 27 can be moved to the side close to each other. During the movement of the moving plate 27, the pushing plate 28 follows the movement. During the movement of the pushing plate 28, the electrical workpieces on the surface of the conveyor belt 12 can be pushed to the middle, so that the electrical workpieces are moved in a state of mutual alignment, thereby improving the overall transportation efficiency of the electrical workpieces and improving the electrical workpieces passing through The conveyor belt 12 is accurately transported to the interior of the storage box; the second guide rod 25, the second connecting block 26 and the movable plate 27 cooperate with each other, so that the movable plate 27 can be limited when it moves, thereby improving the stability of the movable plate 27 when it moves; the top of the cleaning plate 31 is made of elastic material. During the operation of the conveyor belt 12, multiple groups of spring columns 32 push the cleaning plate 31 to move inside the fixed box 3, and make the top of the cleaning plate 31 contact with the outer surface of the conveyor belt 12. At this time, the top of the cleaning plate 31 can clean the dust and impurities adhered to the outer surface of the conveyor belt 12 when it works for a long time, thereby improving the cleanliness of the outer surface of the conveyor belt 12 and reducing the difficulty of the staff in cleaning the dust and impurities adhered to the outer surface of the conveyor belt 12; because the second connecting plate 42 They are respectively connected to the slider 41 and the fixed column 43, and the fixed column 43 is connected to the push plate 28, that is, during the movement of the push plate 28, the slider 41, the second connecting plate 42 and the fixed column 43 follow the movement through the inner side of the slide groove 4, and the slider 41, the second connecting plate 42 and the fixed column 43 can support and limit the moving push plate 28; the overall device improves the stability of the push plate 28 during long-term movement; when the push plate 28 pushes the electrical workpiece to move toward the middle on the surface of the conveyor belt 12, the outer side walls of the multiple groups of rotating columns 52 first contact the surface of the electrical workpiece, and after the electrical workpiece is moved to the middle and moves toward one end of the conveyor belt 12, the rotating column 52 rotates accordingly, and the rotating column 52 improves the stability of the electrical workpiece during movement;The first magnetic block 6 and the second magnetic block 61 repel each other due to magnetic force, thereby pushing the top of the cleaning plate 31 to fit more closely with the outer surface of the conveyor belt 12, so that the top of the cleaning plate 31 is more effective in cleaning the dust and impurities adhering to the outer surface of the conveyor belt 12; when the first connecting block 14 moves upward, the limit block 7 can limit the moving track of the first connecting block 14, and the first connecting block 14 can limit the connecting frame 11, thereby avoiding the situation that the first connecting block 14, the connecting frame 11 and the conveyor belt 12 move away from the outer surface of the first guide rod 13 when the first connecting block 14, the connecting frame 11 and the conveyor belt 12 move upward too high, thereby improving the stability of the first connecting block 14, the connecting frame 11 and the conveyor belt 12 when they move. ;

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An electrical automatic feeding device, comprising a support leg (1); characterized in that: A plurality of first guide rods (13) are fixedly connected to the side wall of one side of the support leg (1); the outer side walls of the first guide rods (13) are slidably connected to first connecting blocks (14); one end of each of the first connecting blocks (14) is fixedly connected to a connecting frame (11); a conveyor belt (12) is provided on the inner side of the connecting frame (11); a pair of first connecting plates (15) are fixedly connected to the side wall of one side of the support leg (1); the inner sides of the first connecting plates (15) are rotatably connected to a rotating shaft (16); a first servo motor (17) is fixedly connected to the bottom of the connecting frame (11); an output end of the first servo motor (17) is connected to the rotating shaft (16); the bottom of each of the first connecting plates (15) is rotatably connected to a belt conveyor. The invention relates to a wheel (18); the surface of the pulley (18) is sleeved with a belt (19); the outer wall of the rotating shaft (16) is fixedly connected with a first gear (110); the first gear (110) is rotatably connected to the first connecting plate (15); the top of the first connecting plate (15) is rotatably connected to a pair of second gears (111); the bottoms of the second gears (111) are rotatably connected to the first connecting plate (15); the surface of the first connecting plate (15) is threadedly connected to a pair of threaded rods (112); the second gears (111) are threadedly connected to the threaded rods (112); the top of the threaded rods (112) is rotatably connected to the bottom of the connecting frame (11).

2. An electrical automatic feeding device according to claim 1, characterized in that: A pair of fixed plates (2) are fixedly connected to the side wall of one side of the connecting frame (11); a second servo motor (21) is fixedly connected to the top of the fixed plate (2); a first mounting plate (22) is fixedly connected to the top of the fixed plate (2); a rotating hole (23) is opened on the side wall of the first mounting plate (22) close to the second servo motor (21); a bidirectional screw rod (24) is rotatably connected inside the rotating hole (23); the output end of the second servo motor (21) and the bidirectional screw rod (24) are mutually connected; a second guide rod (25) is fixedly connected to the side wall of one side of the fixed plate (2); a second connecting block (26) is slidably connected to the outer side wall of the second guide rod (25); a pair of movable plates (27) are threadedly connected to the outer side wall of the bidirectional screw rod (24); one end of the second connecting block (26) is mutually connected to the movable plate (27); and a push plate (28) is fixedly connected to the top of the movable plate (27).

3. The electrical automatic feeding device according to claim 1, characterized in that: A fixing box (3) is fixedly connected to the bottom of the inner side of the connecting frame (11); a cleaning plate (31) is slidably connected to the inner side of the fixing box (3); a plurality of groups of spring columns (32) are fixedly connected to the bottom of the inner side of the cleaning plate (31); and the top ends of the spring columns (32) are connected to the cleaning plate (31).

4. The electrical automatic feeding device according to claim 1, characterized in that: The outer wall of the connecting frame (11) is provided with a slide groove (4); a pair of sliders (41) are slidably connected to the inner side of the slide groove (4); one end of each slider is fixedly connected to a second connecting plate (42); the second connecting plates (42) are fixedly connected to a fixing column (43) on a side wall close to each other; and the fixing column (43) is connected to a push plate (28) at one end close to the conveyor belt (12).

5. The electrical automatic feeding device according to claim 2, characterized in that: An inner groove (5) is formed on one side wall of the push plate (28); a plurality of groups of connecting columns (51) are fixedly connected to the inner side wall of the inner groove (5); and a rotating column (52) is rotatably connected to the surface of each connecting column (51).

6. The electrical automatic feeding device according to claim 3, characterized in that: A first magnetic block (6) is fixedly connected to the bottom of the cleaning plate (31); a second magnetic block (61) is fixedly connected to the bottom of the inner side of the fixing box (3); and the first magnetic block (6) and the second magnetic block (61) are both arranged on the inner side of the plurality of groups of spring columns (32).

7. The electrical automatic feeding device according to claim 1, characterized in that: The top ends of the first guide rods (13) are fixedly connected to the limiting blocks (7).

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