A Hall element automatic feeding mechanism

Abstract

The present invention aims to provide a Hall element automatic feeding mechanism with a compact structure, small overall footprint, and the ability to achieve automatic feeding and empty material box transfer. The present invention includes a guide vehicle, a material rack, a conveying module, a base, a clamping and mounting module, and a suction module. The material rack is arranged on the guide vehicle, one side of the conveying module is connected to the material rack, and the other side of the conveying module is fixedly connected to the base. The base is provided with a mobile module connected to an external assembly line. The clamping and mounting module and the suction module are both arranged on the base. The guide vehicle carries the material rack to obtain the material box from the outside. The conveying module cooperates with the material rack to transfer the material box and place it in layers and limits. The clamping and mounting module cooperates with the conveying module to clamp the Hall element in the material box and install it on the product located on the mobile module. The suction module takes the material tray in the material box out of the empty material box. The present invention is applied to the technical field of automatic feeding mechanisms for material boxes.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic feeding mechanisms for material boxes, and in particular to an automatic feeding mechanism for Hall elements. Background Art

[0002] The motor and electronic control production lines for new energy vehicles often have Hall effect assembly processes. Hall effect assembly requires operators or robots to neatly arrange incoming batches of Hall effect components one by one in the Hall effect component positioning mechanism, and then other equipment to remove and install the components. Traditional manual operations can be subject to factors such as sweat, static electricity, fatigue, and improper operation, which can affect the assembly effect. Furthermore, a long waiting time is required from loading to assembly of Hall effect components. A more common method on the market is to use robots to clamp and load components for installation. While this method can effectively achieve automatic loading of Hall effect components, the assembly cycle of Hall effect components is long, and the high cost of using high-cost robots in the loading process is too high, resulting in idle productivity and hindering the establishment of lean production lines. Furthermore, robots occupy a large space, requiring a large space to be reserved for installation, which greatly inconveniences production line design. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a Hall element automatic feeding mechanism which has a compact structure, occupies a small overall space, and can realize automatic feeding and empty material box transfer.

[0004] The technical solution adopted by the present invention is: the present invention includes a guide vehicle, a material rack, a conveying module, a base, a clamping and mounting module and a suction module, the material rack is arranged on the guide vehicle, one side of the conveying module is connected to the material rack, and the other side of the conveying module is fixedly connected to the base, the base is provided with a movable module connected to the external assembly line, the clamping and mounting module and the suction module are both arranged on the base, the guide vehicle carries the material rack to obtain the material box from the outside, the conveying module cooperates with the material rack to transfer the material box and place it in layers and limited positions, the clamping and mounting module cooperates with the conveying module to clamp the Hall element in the material box and install it on the product located on the movable module, and the suction module takes the material tray in the material box out of the empty material box.

[0005] Furthermore, the material rack is provided with a plurality of placement rollers and a plurality of guide blocks, the plurality of placement rollers are equidistantly arranged in the material rack and slidingly cooperate with the material box, the plurality of guide blocks are respectively arranged between the plurality of placement rollers, and the plurality of guide blocks cooperate with the material box guides.

[0006] Furthermore, the conveying module includes a front lifting component, a double-layer conveying component and a rear lifting component. The front lifting component is connected to the material rack, and the rear lifting component is fixedly connected to the base. The double-layer conveying component is arranged between the front lifting component and the rear lifting component. The front lifting component is connected to the material box sent in by the material rack, and the double-layer conveying component stops and caches the sent in material box. The rear lifting component drives the material box to move up and down and cooperates with the clamping and mounting module and the suction module to move materials.

[0007] Furthermore, the double-layer conveying assembly includes a conveying frame, two groups of conveying and transferring devices, a plurality of limiting devices and a plurality of buffer devices, the two groups of conveying and transferring devices are respectively arranged in the middle and upper parts of the conveying frame, the plurality of limiting devices are respectively connected to the two groups of conveying and transferring devices and cooperate with the material box stop, the plurality of buffer devices are connected to the conveying and transferring device (322) located in the middle of the conveying frame and cooperate with the material box support, both sides of the two groups of conveying and transferring devices are provided with a rib (325), and the two groups of ribs (325) are both cooperated with the material box guide.

[0008] Furthermore, the front lifting assembly includes an outer box body, a front lifting and transferring device, a first lifting seat, a first driving device, a first side pushing device and a first limiting device. The front lifting and transferring device is arranged in the outer box body, the first lifting seat is arranged at the output end of the front lifting and transferring device, the first driving device is fixedly connected to the first lifting seat, a baffle is provided on one side of the first driving device, the first side pushing device is provided on the other side of the first driving device, the first side pushing device pushes the material box so that the material box is in close contact with the baffle, the first limiting device is provided at one end of the first driving device, and the first limiting device cooperates with the material box stop.

[0009] Furthermore, the rear lifting assembly includes a fixed seat, a rear lifting and transferring device, a second lifting seat, a second driving device, a second side pushing device and a second limiting device. The fixed seat is fixedly connected to the base, the rear lifting and transferring device is fixedly connected to the fixed seat, the movable end of the rear lifting and transferring device is connected to the second lifting seat, the second driving device is arranged on the second lifting seat, the second lifting seat is provided with a side plate, the second side pushing device is arranged on one side of the second driving device and pushes the material box close to the side plate, and the second limiting device is arranged at one end of the second driving device and cooperates with the material box stop.

[0010] Furthermore, the clamping and mounting module includes two groups of mounting frames, two groups of X-axis mounting and transferring devices, a Y-axis mounting and transferring device, a mounting clamping claw group and an industrial camera. The two groups of mounting frames are fixedly connected to the base, the two groups of X-axis mounting and transferring devices are arranged on the two groups of mounting frames, the two ends of the Y-axis mounting and transferring device are respectively connected to the movable ends of the two groups of X-axis mounting and transferring devices, the movable end of the Y-axis mounting and transferring device is provided with a connecting plate, the mounting clamping claw group and the industrial camera are fixedly connected to the connecting plate, the mounting clamping claw group moves up and down along the Z-axis direction to clamp the Hall element, and the industrial camera is arranged around the mounting clamping claw group and takes pictures to locate the Hall element.

[0011] Furthermore, the suction module includes a suction frame, a suction X-axis transfer device, a suction Z-axis transfer device, an extension plate and several adsorption parts. The suction frame is fixedly connected to the base, the suction X-axis transfer device is fixedly connected to the suction frame, the suction Z-axis transfer device is arranged at the movable end of the suction X-axis transfer device, the extension plate is connected to the movable end of the suction Z-axis transfer device, several of the adsorption parts are fixedly connected to the extension plate and cooperate with the material tray adsorption, and one end of several of the adsorption parts is connected to the external vacuum generating device.

[0012] Furthermore, the base includes a bracket, a placement plate, several shock-absorbing foot cups and several universal wheels. The placement plate is arranged at the upper end of the bracket. The clamping and mounting module, the suction module and the moving module are all fixedly connected to the placement plate. The bracket is provided with a fixed plate, and the fixed plate is connected and cooperated with the conveying module. Several of the shock-absorbing foot cups and several universal wheels are arranged at the bottom of the bracket.

[0013] Furthermore, the mobile module includes two groups of mobile seats, a mobile drive device and an in-place sensor. The two groups of mobile seats are fixedly connected to the placement plate. A transmission rod is provided between the two groups of mobile seats. The mobile drive device is connected to the transmission rod. The mobile seat is provided with a transmission chain. The transmission chain drives the product to move back and forth along the mobile seat. A product in-place sensor is provided in the middle of the mobile seat. The product in-place sensor detects the position of the product.

[0014] The beneficial effect of the present invention is that after the fully loaded material box of the present invention enters the front lifting assembly cache from the material rack and is positioned, the front lifting assembly moves the fully loaded material box to the conveying and transferring device cache of the lower layer, and the conveying and transferring device on the upper layer is provided with an empty material box for placing the material tray, and the rear lifting assembly lifts a group of fully loaded material boxes to a height coordinated with the clamping and mounting module and the suction module, the clamping and mounting module picks up the Hall elements in the material box and installs them into the product, and the suction module moves the material tray with all the Hall elements taken out to the empty material box, until all the Hall elements are taken out, the rear lifting assembly raises the empty material box to be flush with the conveying and transferring device on the upper layer, transfers the empty material box to the conveying and transferring device on the upper layer, and then connects it to the fully loaded material box from the conveying and transferring device on the lower layer to continue to complete the Hall element picking operation, the overall material box conveying structure is compact, the material changing effect is fast and efficient, the double-layer loading design is used to realize the recycling of material boxes, reduce the operation of staff replacing material boxes, and reduce labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 It is a structural schematic diagram of the guide vehicle and the material rack of the present invention;

[0017] Figure 3 It is a structural schematic diagram of the conveying module of the present invention;

[0018] Figure 4 It is a structural schematic diagram of the double-layer conveying assembly of the present invention;

[0019] Figure 5 It is a structural schematic diagram of the front lifting assembly of the present invention;

[0020] Figure 6 This is another perspective of the schematic structural diagram of the front lifting assembly of the present invention;

[0021] Figure 7 It is a schematic structural diagram of the rear lifting assembly of the present invention;

[0022] Figure 8 It is a structural schematic diagram of the clamping and mounting module of the present invention;

[0023] Figure 9 It is a structural schematic diagram of the suction module of the present invention;

[0024] Figure 10 It is a structural schematic diagram of the base and the mobile module of the present invention. DETAILED DESCRIPTION

[0025] like Figures 1 to 10As shown, in this embodiment, the present invention includes a guide vehicle 1, a material rack 2, a conveying module 3, a base 4, a clamping and mounting module 5 and a suction module 6. The material rack 2 is arranged on the guide vehicle 1, one side of the conveying module 3 is connected to the material rack 2, and the other side of the conveying module 3 is fixedly connected to the base 4. The base 4 is provided with a mobile module 7 connected to an external assembly line, the clamping and mounting module 5 and the suction module 6 are both arranged on the base 4, the guide vehicle 1 carries the material rack 2 to obtain a material box from the outside, the conveying module 3 cooperates with the material rack 2 to transfer the material box and place it in layers and limits, the clamping and mounting module 5 cooperates with the conveying module 3 to clamp the Hall element in the material box and install it on the product located on the mobile module 7, the suction module 6 takes the material tray in the material box out of the empty material box, the guide vehicle 1 is an AGV automatic guided vehicle 1, which transports the material rack 2 to a designated position to load a Hall element or take out an empty material box through electromagnetic or laser guidance, and the conveying module 3 adopts a double-layer transport The transport buffer structure, after the fully loaded material box enters the front lifting assembly 31 from the material rack 2 for buffer positioning, the front lifting assembly 31 moves the fully loaded material box to the lower conveying and transferring device 322 for buffering, and the upper conveying and transferring device 322 is placed with an empty material box for placing the material tray, and the rear lifting assembly 33 lifts a group of fully loaded material boxes to a height that matches the clamping and mounting module 5 and the suction module 6. The clamping and mounting module 5 picks up the Hall element in the material box and installs it into the product, and the suction module 6 takes all the Hall elements out. The removed material tray is moved to the empty material box until all the Hall elements are taken out. The rear lifting component 33 raises the empty material box to be flush with the upper conveying and transferring device 322, and transfers the empty material box to the upper conveying and transferring device 322. Then, the full material box is connected from the lower conveying and transferring device 322 to continue the Hall element picking operation. The overall material box conveying structure is compact, the material changing effect is fast and efficient, and the double-layer loading design is used to realize the recycling of the material box, reduce the operation of staff replacing the material box, and reduce labor costs.

[0026] In this embodiment, the material rack 2 is provided with a number of placement rollers 21 and a number of guide blocks 22. The number of placement rollers 21 are equidistantly arranged in the material rack 2 and slide with the material box. The number of guide blocks 22 are respectively arranged between the number of placement rollers 21. The number of guide blocks 22 guide the material box. The number of placement rollers 21 are all connected to the rotating motor. The rotating motor drives the number of placement rollers to rotate independently through the transmission belt, so that the material box can be moved out of the material rack 2 to the conveying module 3. The front and rear sections of the guide block 22 are both angled. The inclined surface of the angle is guided with the side wall of the material box. When the material box enters, it enters the placement roller 21 along the inclined surface direction.

[0027] In this embodiment, the conveying module 3 includes a front lifting component 31, a double-layer conveying component 32 and a rear lifting component 33. The front lifting component 31 is connected to the material rack 2, and the rear lifting component 33 is fixedly connected to the base 4. The double-layer conveying component 32 is arranged between the front lifting component 31 and the rear lifting component 33. The front lifting component 31 is connected to the material box fed into the material rack 2, and the double-layer conveying component 32 stops and caches the fed material box. The rear lifting component 33 drives the material box to move up and down. The front lifting assembly 31 and the rear lifting assembly 33 drive the material box to move up and down along the Z-axis direction, and the material box loading link, the material box operation link and the material box unloading link can all effectively cooperate with the double-layer conveying assembly 32. The double-layer conveying assembly 32 uses two sets of mirror-set conveying and transferring devices 322. The lower-layer conveying and transferring device 322 drives the material box to move toward the side of the rear lifting assembly 33, and the upper-layer conveying and transferring device 322 drives the material box to move toward the material rack 2.

[0028] In this embodiment, the double-layer conveying assembly 32 includes a conveying frame 321, two groups of conveying and transferring devices 322, a plurality of limiting devices 323 and a plurality of buffer devices 324. The two groups of conveying and transferring devices 322 are respectively arranged at the middle and upper parts of the conveying frame 321. The plurality of limiting devices 323 are respectively connected to the two groups of conveying and transferring devices 322 and cooperate with the material box stop. The plurality of buffer devices 324 are connected to the conveying and transferring devices 322 located in the middle of the conveying frame 321 and cooperate with the material box support. Both sides of the two groups of conveying and transferring devices 322 are provided with side guards (325). Both groups of side guards (325) cooperate with the material box guide. The conveying and transferring device 322 includes a rotating motor, a conveying and transferring frame, a plurality of driven wheels and two groups of belts. The rotating motor is arranged on the conveying and transferring frame. The plurality of driven wheels are respectively arranged on the conveying and transferring frame. At both ends of the carrier, two groups of belts are wound around the belts on both sides of the conveying and transferring frame. The rotating motor drives the driven wheel through the transmission parts arranged in the conveying and transferring frame, transfers the feed amount to the belt and then drives the material box to move. The limit device 323 includes a telescopic cylinder, a limit plate and an in-place sensor. The telescopic cylinder is connected and fixed to the conveying frame 321 of the conveying and transferring device 322. The limit plate is arranged at the movable end of the telescopic cylinder. The in-place sensor is arranged on one side of the telescopic cylinder and cooperates with the material box detection. After detecting that the material box is in place, the telescopic cylinder pushes out to stop and intercept the material box. A cache device 324 is provided on the lower conveying and transferring device 322. The cache device 324 includes a lifting cylinder and a support plate. The lifting cylinder is fixedly connected to the inner side of the conveying frame 321. The support plate will enter the fully loaded material box of the lower conveying and transferring device 322 to avoid the fully loaded material box pressing the belt for a long time and shortening the service life of the belt.

[0029] In this embodiment, the front lifting assembly 31 includes an outer box body 311, a front lifting and transferring device 312, a first lifting seat 313, a first driving device 314, a first side pushing device 315 and a first limiting device 316. The front lifting and transferring device 312 is arranged in the outer box body 311, the first lifting seat 313 is arranged at the output end of the front lifting and transferring device 312, the first driving device 314 is fixedly connected to the first lifting seat 313, a baffle 317 is provided on one side of the first driving device 314, and the first side pushing device 315 is provided on the other side of the first driving device 314. The first side pushing device 315 pushes the material box so that the material box is in close contact with the baffle 317. The first limiting device 316 is provided on the first driving device 31 4, the first limiting device 316 cooperates with the material box stop, the outer box body 311 is a plate structure, the front lifting and loading device 312 is a rotary motor, the output end of the front lifting device is provided with a screw rod, the screw rod is threadedly connected to the first lifting seat 313 and drives the first lifting seat 313 to move up and down, the first driving device 314 is a belt transmission structure, which drives the material box forward and backward through the friction between the belt and the bottom of the material box, the first side pushing device 315 is a telescopic cylinder, the telescopic cylinder drives the side pushing plate to make the material box close to the baffle 317 on the other side, so that the direction position of the material box is aligned with the feeding port side of the double-layer conveying assembly 32, the first limiting device 316 is a telescopic cylinder and a limiting plate, the telescopic cylinder is connected and fixed to the inner side of the first driving device 314, the limiting plate is provided at the output end of the telescopic cylinder and is limited by the material box stop.

[0030] In this embodiment, the rear lifting assembly 33 includes a fixed seat 331, a rear lifting and transferring device 332, a second lifting seat 333, a second driving device 334, a second side pushing device 335 and a second limiting device 336. The fixed seat 331 is fixedly connected to the base 4, the rear lifting and transferring device 332 is fixedly connected to the fixed seat 331, the movable end of the rear lifting and transferring device 332 is connected to the second lifting seat 333, the second driving device 334 is provided on the second lifting seat 333, the second lifting seat 333 is provided with a side plate 337, and the second side pushing device 335 is provided on the second driving device 334. One side pushes the material box close to the side plate 337, the second limit device 336 is arranged at one end of the second driving device 334 and cooperates with the material box stop, the fixed side of the fixed seat 331 base 4 is provided with a reinforcing rib, the reinforcing rib makes the installation of the rear lifting assembly 33 more stable, the second lifting seat 333 is provided with an in-place sensor, the in-place sensor cooperates with the material box induction, the second driving device 334 is a belt transmission structure, which drives the material box forward and backward through the friction between the belt and the bottom of the material box, the first side pushing device 315 is a telescopic cylinder, and the telescopic cylinder drives the side pushing plate to make the material box close to the baffle 317 on the other side, so that the direction position of the material box is aligned with the inlet side of the double-layer conveying assembly 32.

[0031] In this embodiment, the clamping and mounting module 5 includes two groups of mounting frames 51, two groups of X-axis mounting and moving devices 52, a Y-axis mounting and moving device 53, a mounting clamping claw group 54 and an industrial camera 55. The two groups of mounting frames 51 are fixedly connected to the base 4, and the two groups of X-axis mounting and moving devices 52 are arranged on the two groups of mounting frames 51. The two ends of the Y-axis mounting and moving device 53 are respectively connected to the movable ends of the two groups of X-axis mounting and moving devices 52. The movable end of the Y-axis mounting and moving device 53 is provided with a connecting plate 56. The mounting clamping claw group 54 and the industrial camera 55 are fixedly connected to the connecting plate 56. The mounting jaw group 54 moves up and down along the Z-axis direction to clamp the Hall element. The industrial camera 55 is arranged around the mounting jaw group 54 and takes pictures to locate the Hall element. A slide rail is provided on one side of the two groups of X-axis mounting and transferring devices 52. The slide rail is provided with a slider and a slide plate. The slider slides with the slide rail, and the two ends of the slide plate are respectively connected to the two groups of sliders. The Y-axis mounting and transferring device 53 is provided on the slide plate. The X-axis mounting and transferring device 52 and the Y-axis mounting and transferring device 53 are both slide cylinders. The mounting jaw group 54 is a telescopic cylinder. The industrial camera 55 is used to take pictures to locate the Hall element. The mounting jaw group 54 moves up and down to clamp the required Hall element.

[0032] In this embodiment, the suction module 6 includes a suction frame 61, a suction X-axis transfer device 62, a suction Z-axis transfer device 63, an extension plate 64 and a number of adsorption parts 65. The suction frame 61 is fixedly connected to the base 4, the suction X-axis transfer device 62 is fixedly connected to the suction frame 61, the suction Z-axis transfer device 63 is arranged at the movable end of the suction X-axis transfer device 62, the extension plate 64 is connected to the movable end of the suction Z-axis transfer device 63, and several adsorption parts 65 are fixedly connected to the extension plate 64 and cooperate with the material tray adsorption. One end of several adsorption parts 65 is connected to an external vacuum generating device. The suction frame 61 is arranged on the side of the base 4 close to the conveying module 3. The suction X-axis transfer device 62 and the suction Z-axis transfer device 63 are both screw slides, and the end of the adsorption part 65 in contact with the material tray is provided with a suction nozzle.

[0033] In this embodiment, the base 4 includes a bracket 41, a placement plate 42, a plurality of shock-absorbing foot cups 43 and a plurality of universal wheels 44. The placement plate 42 is arranged at the upper end of the bracket 41. The clamping and mounting module 5, the suction module 6 and the movable module 7 are all fixedly connected to the placement plate 42. The bracket 41 is provided with a fixed plate 45. The fixed plate 45 is connected and cooperated with the conveying module 3. The plurality of shock-absorbing foot cups 43 and the plurality of universal wheels 44 are all arranged at the bottom of the bracket 41.

[0034] In this embodiment, the movable module 7 includes two groups of movable seats 71, a movable drive device 72 and a product in place sensor 73. The two groups of movable seats 71 are fixedly connected to the placement plate 42. A transmission rod is provided between the two groups of movable seats 71. The movable drive device 72 is connected to the transmission rod. The movable seat 71 is provided with a transmission chain. The transmission chain drives the product to move back and forth along the movable seat 71. A product in place sensor 73 is provided in the middle of the movable seat 71. The product in place sensor 73 detects the position of the product.

[0035] Working principle of the present invention:

[0036] The guide vehicle 1 moves the material rack 2 to the loading position, and the staff or manipulator puts the full material box and the empty material box into the material rack 2 respectively. The front lifting and transferring device 312 adjusts the position of the first lifting seat 313 so that the first driving device 314 is flush with the material box to be loaded in the material rack 2. The material rack 2 moves the material box out, and the first driving device 314 is connected to the material box and moves forward. The in-position sensor of the first limiting device 316 detects the material box and extends to stop the material box. The first side pushing device 315 is pushed out to adjust the position of the material box. After the position is adjusted, the first limiting device 316 is reset. The first driving device 314 sends the material box to the conveying module 3, and the full material box enters the lower conveying and transferring device 322. The limiting device 323 After cooperating with the cache device 324 to position the material box cache, the conveying and transferring device 322 on the upper layer places an empty material box for placing the material tray, and the rear lifting component 33 connects to a group of fully loaded material boxes and rises to a height that cooperates with the clamping and installing module 5 and the suction module 6. The clamping and installing module 5 picks up the Hall elements in the material box and installs them into the product. The suction module 6 moves the material tray with all the Hall elements taken out to the empty material box. After all the Hall elements are taken out, the rear lifting component 33 raises the empty material box to be flush with the conveying and transferring device 322 on the upper layer, transfers the empty material box to the conveying and transferring device 322 on the upper layer, and then connects to the fully loaded material box from the conveying and transferring device 322 on the lower layer to continue to complete the Hall element picking operation.

[0037] Although the embodiments of the present invention are described with practical solutions, they do not limit the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A Hall element automatic feeding mechanism, characterized by: It comprises a guide vehicle (1), a material rack (2), a conveying module (3), a base (4), a clamping and mounting module (5) and a suction module (6), wherein the material rack (2) is arranged on the guide vehicle (1), one side of the conveying module (3) is connected to the material rack (2), and the other side of the conveying module (3) is fixedly connected to the base (4), and the base (4) is provided with a moving module (7) connected to an external assembly line, and the clamping and mounting module (5) and the suction module (6) are both arranged on the base (4), and the guide vehicle (1) carries the material rack (2) to obtain a material box from the outside, and the conveying module (3) cooperates with the material rack (2) to transfer the material box and place it in layers and limits the position, and the clamping and mounting module (5) cooperates with the conveying module (3) to clamp the Hall element in the material box and install it on the product located on the moving module (7), and the suction module (6) takes the material tray in the material box out into the empty material box; The conveying module (3) includes a front lifting component (31), a double-layer conveying component (32) and a rear lifting component (33), wherein the front lifting component (31) is connected to the material rack (2), and the rear lifting component (33) is fixedly connected to the base (4). The double-layer conveying component (32) is arranged between the front lifting component (31) and the rear lifting component (33), wherein the front lifting component (31) is connected to the material box fed from the material rack (2), and the double-layer conveying component (32) stops and caches the fed material box, and the rear lifting component (33) drives the material box to move up and down and cooperates with the clamping and mounting module (5) and the suction module (6) to move the material.

2. The Hall element automatic feeding mechanism according to claim 1, characterized in that: The material rack (2) is provided with a plurality of placement rollers (21) and a plurality of guide blocks (22). The plurality of placement rollers (21) are equidistantly arranged in the material rack (2) and are in sliding cooperation with the material box. The plurality of guide blocks (22) are respectively arranged between the plurality of placement rollers (21), and the plurality of guide blocks (22) are in guiding cooperation with the material box.

3. The Hall element automatic feeding mechanism according to claim 1, characterized in that: The double-layer conveying assembly (32) includes a conveying frame (321), two groups of conveying and transferring devices (322), a plurality of limiting devices (323) and a plurality of buffer devices (324). The two groups of conveying and transferring devices (322) are respectively arranged at the middle and upper parts of the conveying frame (321). The plurality of limiting devices (323) are respectively connected to the two groups of conveying and transferring devices (322) and cooperate with the material box stop. The plurality of buffer devices (324) are connected to the conveying and transferring devices (322) located in the middle of the conveying frame (321) and cooperate with the material box support. Both sides of the two groups of conveying and transferring devices (322) are provided with side guards (325). The two groups of side guards (325) cooperate with the material box guide.

4. The Hall element automatic feeding mechanism according to claim 1, characterized in that: The front lifting assembly (31) comprises an outer box (311), a front lifting and transferring device (312), a first lifting seat (313), a first driving device (314), a first side pushing device (315) and a first limiting device (316). The front lifting and transferring device (312) is arranged in the outer box (311). The first lifting seat (313) is arranged at the output end of the front lifting and transferring device (312). The first driving device (314) is fixedly connected to the first lifting seat (313). A baffle (317) is provided on one side of the first driving device (314). The first side pushing device (315) is provided on the other side of the first driving device (314). The first side pushing device (315) pushes the material box so that the material box is in close contact with the baffle (317). The first limiting device (316) is provided at one end of the first driving device (314). The first limiting device (316) cooperates with the material box to stop.

5. The Hall element automatic feeding mechanism according to claim 1, characterized in that: The rear lifting assembly (33) includes a fixed seat (331), a rear lifting and transferring device (332), a second lifting seat (333), a second driving device (334), a second side pushing device (335) and a second limiting device (336), wherein the fixed seat (331) is fixedly connected to the base (4), the rear lifting and transferring device (332) is fixedly connected to the fixed seat (331), the movable end of the rear lifting and transferring device (332) is connected to the second lifting seat (333), the second driving device (334) is arranged on the second lifting seat (333), the second lifting seat (333) is provided with a side plate (337), the second side pushing device (335) is arranged on one side of the second driving device (334) and pushes the material box to be close to the side plate (337), and the second limiting device (336) is arranged at one end of the second driving device (334) and cooperates with the material box stop.

6. The Hall element automatic feeding mechanism according to claim 1, characterized in that: The clamping and mounting module (5) includes two groups of mounting frames (51), two groups of X-axis mounting and moving devices (52), a Y-axis mounting and moving device (53), a mounting clamping claw group (54) and an industrial camera (55). The two groups of mounting frames (51) are fixedly connected to the base (4). The two groups of X-axis mounting and moving devices (52) are arranged on the two groups of mounting frames (51). The two ends of the Y-axis mounting and moving device (53) are respectively connected to the movable ends of the two groups of X-axis mounting and moving devices (52). The movable end of the Y-axis mounting and moving device (53) is provided with a connecting plate (56). The mounting clamping claw group (54) and the industrial camera (55) are fixedly connected to the connecting plate (56). The mounting clamping claw group (54) moves up and down along the Z-axis direction to clamp the Hall element. The industrial camera (55) is arranged around the mounting clamping claw group (54) and takes pictures of the Hall element for positioning.

7. The Hall element automatic feeding mechanism according to claim 1, characterized in that: The suction module (6) includes a suction frame (61), a suction X-axis transfer device (62), a suction Z-axis transfer device (63), a protruding plate (64) and a plurality of adsorption components (65), wherein the suction frame (61) is fixedly connected to the base (4), the suction X-axis transfer device (62) is fixedly connected to the suction frame (61), the suction Z-axis transfer device (63) is arranged at the movable end of the suction X-axis transfer device (62), the protruding plate (64) is connected to the movable end of the suction Z-axis transfer device (63), the plurality of adsorption components (65) are fixedly connected to the protruding plate (64) and cooperate with the material tray for adsorption, and one end of the plurality of adsorption components (65) is connected to an external vacuum generating device.

8. The Hall element automatic feeding mechanism according to claim 1, characterized in that: The base (4) includes a bracket (41), a placement plate (42), a plurality of shock-absorbing foot cups (43) and a plurality of universal wheels (44). The placement plate (42) is arranged at the upper end of the bracket (41). The clamping and mounting module (5), the suction module (6) and the moving module (7) are all fixedly connected to the placement plate (42). The bracket (41) is provided with a fixed plate (45). The fixed plate (45) is connected and matched with the conveying module (3). The plurality of shock-absorbing foot cups (43) and the plurality of universal wheels (44) are all arranged at the bottom of the bracket (41).

9. The Hall element automatic feeding mechanism according to claim 8, characterized in that: The mobile module (7) includes two groups of mobile seats (71), a mobile drive device (72) and a product arrival sensor (73). The two groups of mobile seats (71) are fixedly connected to the placement plate (42). A transmission rod is provided between the two groups of mobile seats (71). The mobile drive device (72) is connected to the transmission rod. The mobile seat (71) is provided with a transmission chain. The transmission chain drives the product to move back and forth along the mobile seat (71). A product arrival sensor is provided in the middle of the mobile seat (71). The product arrival sensor detects the position of the product.

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