CN115489965A

CN115489965A - Magnet feeding mechanism

Info

Publication number: CN115489965A
Application number: CN202211171901.8A
Authority: CN
Inventors: 王满意; 王志伟; 唐江来
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-12-20

Abstract

The invention discloses a magnet feeding mechanism, which comprises a feeding part and a transmission part, wherein the feeding part comprises at least one group of feeding components and a workbench, the transmission part comprises a first sliding component, a connecting plate and a first driving component, and the connecting plate is driven by the first driving component to drive the workbench to move so as to drive the whole feeding part to move and stop between a first critical position and a second critical position on the transverse mode of the magnet feeding mechanism, so that the multi-position feeding of a magnet is realized; when the feeding portion is located first critical position or second critical position, the robotic arm that is located magnet feeding mechanism both sides snatchs the radius the biggest and is greater than or equal to half of all feeding component's overall length, and the feeding component of feeding portion can set up to the multiunit to as long as make and satisfy certain condition between feeding component and the robotic arm, can increase magnet feeding mechanism's size, realize the large-scale automatic feed of magnet, improve work efficiency.

Description

Magnet feeding mechanism

Technical Field

The invention relates to the technical field of automation equipment, in particular to a magnet feeding mechanism.

Background

Among the prior art, the next step process of magnet feed is for getting the material, the robotic arm who gets the material often sets up the both sides at magnet feeding mechanism, for making robotic arm avoid causing because the restriction of arm length and getting empty, magnet feeding mechanism's size can set up less, but the feed that can lead to magnet like this and the work efficiency who gets the material are lower, can't realize large-scale magnet feed and get the material, and because the influence of the magnetism of magnet, make magnet can adsorb together, hardly the single magnet of quickly separating, need manual intervention sometimes, if increase magnet feeding mechanism's size, also can increase the unqualified volume of feed.

Therefore, it is desirable to provide a magnet feeding mechanism to solve the above problems.

Disclosure of Invention

The technical problem to be solved by the embodiments of the present invention is to provide a magnet feeding mechanism, which can realize large-scale automatic feeding and multi-position feeding of magnets and improve work efficiency.

In order to solve the above technical problem, the present invention provides a magnet feeding mechanism, including:

the feeding part comprises at least one group of feeding components and a workbench, and the at least one group of feeding components is arranged on the workbench and connected with the workbench;

the conveying part is positioned at the lower part of the feeding part and is connected with the feeding part; the transmission part comprises a first sliding assembly, a connecting plate and a first driving assembly, the first sliding assembly is positioned at the bottom of the workbench and connected with the workbench, and the connecting plate is connected with the workbench and the first driving assembly;

the first driving component drives the workbench to move by driving the connecting plate, so that the feeding part is driven to move back and forth along the transverse direction of the magnet feeding mechanism; the transverse direction is provided with a first critical position and a second critical position, the feeding part can move between the first critical position and the second critical position, and when the feeding part is located at the first critical position or the second critical position, the maximum grabbing radius of the mechanical arms located at two sides of the magnet feeding mechanism is larger than or equal to half of the total length of all the feeding assemblies.

In a feasible implementation manner, the first sliding assembly comprises a first sliding block, a first sliding rail and a first sliding connection table, the first sliding block is arranged on the first sliding rail and connected with the bottom of the workbench, the first sliding rail is fixed on the first sliding connection table, an opening is formed in the first sliding block connection table, and the connecting plate passes through the opening and is connected with the workbench;

be equipped with first breach on the connecting plate, first drive assembly's tip is equipped with first unsteady joint, first unsteady joint inserts in the first breach, work as when first drive assembly passes through the drive connecting plate and drives the workstation motion, first unsteady joint can be relative first breach takes place free displacement.

In one possible implementation manner, the transmission part further includes reinforcing plates disposed at both sides of the connection plate and connected to the work table.

In a feasible implementation manner, each group of feeding assemblies comprises a feeding module, the feeding module comprises a bin portion, a first connecting table, a clamping piece and a first support column, the bin portion and the clamping piece are arranged on the first connecting table, and the first connecting table is connected with the workbench through the first support column;

be equipped with the through-hole on the first joint table, feed bin portion includes the feed bin and sets up the pterygoid lamina of feed bin both sides, the feed bin can stretch into in the through-hole, the holder can with the pterygoid lamina butt.

In a possible implementation manner, the clamping piece can rotate relative to the first connecting platform, when the clamping piece rotates away from the material bin part, the clamping piece is gradually separated from the wing plate, and the material bin part can be separated from the first connecting platform; when the clamping piece rotates towards the stock bin part, the clamping piece is abutted to the wing plate, and the stock bin part and the first connecting table are kept fixed.

In a feasible implementation manner, a sensor is further arranged on the first connecting table and is positioned on the front side of the bin, and a magnet block is arranged in the bin;

and when the height of the magnet block is lower than the sensing height of the sensor, the stock bin part is replaced.

In a feasible implementation manner, each group of feeding assemblies further comprises a pushing module, the pushing module comprises a pushing table, a second driving assembly, a second sliding assembly and a second support, a groove matched with the size of each magnet block is formed in the pushing table, the pushing table is connected with the second driving assembly, the top of the second sliding assembly is connected with the pushing table, and the bottom of the second sliding assembly is connected with the workbench through the second support;

when the magnet block falls under the action of gravity, the magnet block can be accommodated in the groove, and the material pushing table can move back and forth along the longitudinal direction of the magnet feeding mechanism under the driving action of the second driving assembly.

In a feasible implementation manner, a second notch is formed in the end portion, close to the second driving assembly, of the pushing table, a second floating joint is arranged in the end portion, close to the pushing table, of the second driving assembly, the second floating joint is inserted into the second notch, and when the second driving assembly drives the pushing table to move, the second floating joint can freely displace relative to the second notch;

the second sliding assembly comprises a second sliding block, a second sliding rail and a second sliding connection table, the second sliding block is arranged on the second sliding rail, the top of the second sliding block is connected with the material pushing table, and the second sliding rail is fixed on the second sliding connection table.

In a feasible implementation manner, the material pushing module further comprises a power buffering table, and the power buffering table is arranged on the workbench and is positioned between the workbench and the second support;

the material pushing module further comprises a first protection cover, the first protection cover covers the top of the second driving assembly, and the first protection cover is connected with the workbench.

In a feasible realization mode, magnet feeding mechanism still includes the second safety cover, the second safety cover is established feeding portion with the outside of transmission portion, the front side of second safety cover still is equipped with safe grating, safe grating is used for responding to whether there is the foreign matter to stretch into in the second safety cover.

The implementation of the invention has the following beneficial effects:

the magnet feeding mechanism comprises a feeding portion and a transmission portion, wherein the feeding portion comprises at least one group of feeding assemblies and a workbench, the transmission portion comprises a first sliding assembly, a connecting plate and a first driving assembly, the connecting plate is driven by the first driving assembly to drive the workbench to move, so that the whole feeding portion is driven to move and stop between a first critical position and a second critical position on the transverse mode of the magnet feeding mechanism, and multi-position feeding of magnets is achieved; when the feeding portion is located first critical position or second critical position, the robotic arm that is located magnet feeding mechanism both sides snatchs the radius the biggest and is greater than or equal to half of all feeding component's overall length, and the feeding component of feeding portion can set up to the multiunit to as long as make and satisfy certain condition between feeding component and the robotic arm, can increase magnet feeding mechanism's size, realize the large-scale automatic feed of magnet, improve work efficiency.

Furthermore, the size of the groove on the material pushing table is matched with that of a single magnet block, so that the magnets adsorbed together can be quickly and effectively separated; and the first floating joint and the second floating joint which are respectively arranged at the end parts of the first driving assembly and the second driving assembly can respectively generate free displacement relative to the first notch and the second notch, so that the first driving assembly and the second driving assembly are prevented from being bent and damaged.

Drawings

FIG. 1 is a schematic view of the magnet feeding mechanism according to the present invention;

FIG. 2 is a first schematic view of the structure of the transmission part and the workbench according to the present invention;

FIG. 3 is a second schematic view of the structure of the transmission part of the present invention connected to the workbench;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a first schematic view of the structure of the feeding part according to the present invention;

FIG. 6 is a first schematic view of the feeding section according to the present invention;

FIG. 7 is a schematic view of the connection between the feeding module and the worktable according to the present invention;

FIG. 8 is a schematic view of the position relationship of the hopper section and the sensor according to the present invention;

FIG. 9 is a schematic structural view of the connection between the pushing module and the workbench according to the present invention;

FIG. 10 is a schematic view of a partial structure of the material pushing module according to the present invention;

fig. 11 is a schematic structural diagram of a single material pushing module according to the present invention.

Reference numerals in the drawings: 100-feeding part, 110-feeding component, 120-workbench, 130-feeding module, 131-bin part, 132-first connecting platform, 133-clamping piece, 134-first support column, 135-through hole, 136-bin, 137-wing plate, 138-sensor, 139-magnet block, 140-pushing module, 141-dynamic buffer platform, 142-first protective cover, 150-pushing platform, 151-groove, 152-second gap, 160-second driving component, 161-second floating joint, 170-second sliding component, 171-second sliding block, 172-second sliding rail, 173-second sliding connecting platform, 180-second support column, 200-transmission part, 300-first sliding component, 310-first sliding block, 320-first sliding rail, 330-first sliding connecting platform, 331-opening, 400-connecting plate, 410-first gap, 500-first driving component, 510-first floating joint, 600-reinforcing plate, 700-second protective cover, 710-safety grating.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Magnet is comparatively commonly used part among the electronic product, but because magnetic influence for magnet often can be inhaled together, and can't realize the feed to single magnet, and feeding mechanism's robotic arm often sets up in feeding mechanism's both sides, and when feeding mechanism's horizontal length is longer, and the feed assembly of magnet is more, robotic arm can't take the magnet that the feed assembly of remote department pushed out.

The present embodiment provides a magnet feeding mechanism, including: the feeding part 100, the feeding part 100 includes at least one group of feeding components 110 and a workbench 120, and the at least one group of feeding components 110 is arranged on the workbench 120 and connected with the workbench 120; at least one group of feed assemblies 110 can move along with the movement of the workbench 120, and as shown in fig. 1, four groups of feed assemblies 110 are arranged on the workbench 120 and connected with the workbench 120; a transfer part 200, the transfer part 200 being located at a lower portion of the supply part 100 and connected to the supply part 100; the transfer part 200 includes a first slide assembly 300, a connection plate 400 and a first driving assembly 500, the first slide assembly 300 is located at the bottom of the work table 120 and connected to the work table 120, and the connection plate 400 connects the work table 120 and the first driving assembly 500; the first driving assembly 500 drives the workbench 120 to move through the driving connecting plate 400, so as to drive the feeding part 100 to move back and forth along the transverse direction of the magnet feeding mechanism; the transverse direction has a first critical position and a second critical position, the feeding portion 100 can move between the first critical position and the second critical position, when the feeding portion 100 is located at the first critical position or the second critical position, the maximum gripping radius of the mechanical arms (not shown) located at both sides of the magnet feeding mechanism is greater than or equal to half of the total length of all the feeding assemblies 110.

When the operator faces the magnet feeding mechanism, the left side of the operator is used as the right side of the magnet feeding mechanism, the right side of the operator is used as the left side of the magnet feeding mechanism, the table 120 is arranged at the leftmost side of the magnet feeding mechanism and is used as the first critical position, and when the table 120 is arranged at the rightmost side of the magnet feeding mechanism and is used as the second critical position, the feeding portion 100 can move or stop between the first critical position and the second critical position along with the transfer portion 200, and multi-position feeding of the magnets can be achieved. Taking the first critical position as an example, the left edge of the table 120 is close to the inner wall of the left side of the magnet feeding mechanism, and the feeding assembly 110 is at a certain distance from the inner wall of the left side of the magnet feeding mechanism. The left side and the right side of the magnet feeding mechanism are provided with mechanical arms, in order to enable the magnet blocks 139 pushed out by each group of magnet assemblies to be grabbed by the mechanical arms, when the feeding portion 100 is located at the first critical position, the maximum grabbing radius of the left mechanical arm needs to be at least capable of grabbing the magnet blocks 139 at the middle positions of all the magnet assemblies, namely, the maximum grabbing radius of the left mechanical arm needs to be larger than or equal to half of the total length of all the feeding assemblies 110, and when the feeding portion 100 is located at the second critical position, the maximum grabbing radius of the right mechanical arm needs to be at least capable of grabbing the magnet blocks 139 at the middle positions of all the magnet assemblies, namely, the maximum grabbing radius of the right mechanical arm needs to be larger than or equal to half of the total length of all the feeding assemblies 110. In a possible implementation manner, as long as the maximum gripping radius of the robot arm and half of the total length of the feeding assembly 110 meet the requirement, the number of groups of the feeding assembly 110 is not limited, thereby facilitating large-scale automatic feeding of the magnets and improving the working efficiency.

In one possible implementation manner, as shown in fig. 2 and 3, the first sliding assembly 300 includes a first sliding block 310, a first sliding rail 320 and a first sliding connection platform 330, the first sliding block 310 is disposed on the first sliding rail 320 and connected to the bottom of the workbench 120, the first sliding rail 320 is fixed on the first sliding connection platform 330, an opening 331 is disposed on the first sliding block 310 connection platform, and the connection board 400 is connected to the workbench 120 through the opening 331; when the first driving assembly 500 drives the connecting plate 400 to move, the working platform 120 and the first sliding block 310 move together relative to the first sliding rail 320, the first sliding rail 320 is located at two sides of the opening 331, the connecting plate 400 and the feeding part 100 are kept in a relatively static state, the transverse length of the opening 331 is related to the path length of the movement of the feeding part 100, and the path length of the movement of the feeding part 100 is the same as the path length of the movement of the connecting plate 400 relative to the opening 331, that is, the length of the opening 331 in the transverse direction is greater than or equal to the path length of the movement of the connecting plate 400 relative to the opening 331.

The connecting plate 400 is provided with a first notch 410, the end of the first driving assembly 500 is provided with a first floating joint 510, the first floating joint 510 is inserted into the first notch 410, and when the first driving assembly 500 drives the workbench 120 to move by driving the connecting plate 400, the first floating joint 510 can freely displace relative to the first notch 410. The first notch 410 is only required to be disposed so that the first floating joint 510 does not fall out of the first notch 410, and the inner dimension of the first notch 410 may be larger than the outer dimension of the first floating joint 510, which can give a moving space for the first floating joint 510 in the first notch 410, that is, the first floating joint 510 can freely move relative to the first notch 410. In one possible implementation, the first driving assembly 500 is a cylinder, and when the cylinder rod extends out of the cylinder, a center line of an end of the cylinder rod away from the cylinder may be offset from a center line of the cylinder, so that the first floating joint 510 may be tilted up or pressed down, and a certain moving space needs to be provided for the first floating joint 510 by the first notch 410.

In one possible implementation, as shown in fig. 3 and 4, the transfer part 200 further includes reinforcing plates 600, and the reinforcing plates 600 are disposed at both sides of the connection plate 400 and connected to the table 120. The reinforcing plate 600 can increase the connection strength between the workbench 120 and the connecting plate 400, and increase the contact area for force transmission, so that the driving force generated by the first driving assembly 500 can be transmitted to the workbench 120 through the connecting plate 400 and the reinforcing plate 600, thereby driving the workbench 120 to move.

In one possible implementation, as shown in fig. 5, 6 and 7, each set of feeding assemblies 110 includes a feeding module 130, the feeding module 130 includes a bin portion 131, a first connecting platform 132, a clamping member 133 and a first support 134, the bin portion 131 and the clamping member 133 are disposed on the first connecting platform 132, and the first connecting platform 132 is connected to the workbench 120 through the first support 134; be equipped with through-hole 135 on the first joint station 132, feed bin portion 131 includes feed bin 136 and sets up the pterygoid lamina 137 in feed bin 136 both sides, and feed bin 136 can stretch into in the through-hole 135, and holder 133 can abut with pterygoid lamina 137. When the magnet block 139 in the storage bin 136 is used up, the storage bin portion 131 can be directly replaced, that is, the storage bin 136 and the wing plate 137 are taken down from the first connecting platform 132, preferably, the storage bin 136 and the wing plate 137 are fixedly connected, and the wing plate 137 is located at the lower portion of the storage bin 136, and the function of the wing plate 137 is to increase the connecting strength of the storage bin portion 131 and the first connecting platform 132, so that the storage bin 136 cannot topple. In one possible implementation, the magnet block 139 is installed in the bin 136, and the size of the inner side wall of the bin 136 is slightly larger than the size of the outer edge of the magnet block 139, so that the magnet block 139 can freely fall under the action of gravity.

In one possible implementation, the clamping member 133 can rotate relative to the first connecting platform 132, when the clamping member 133 rotates away from the bin portion 131, the clamping member 133 gradually disengages from the wing plate 137, and the bin portion 131 can be separated from the first connecting platform 132; when the clamp 133 rotates toward the bin portion 131, the clamp 133 abuts against the wing plate 137, and the bin portion 131 and the first connection base 132 are held fixed. In one possible implementation, the clamp 133 is a clamp that can be brought into abutment with the wing 137 to keep the wing 137 fixed with respect to the first connecting station 132.

In one possible implementation, as shown in fig. 8, the first connecting table 132 is further provided with a sensor 138, the sensor 138 is located at the front side of the bin 136, and the bin 136 is provided with a magnet 139; when the height of the magnet block 139 is lower than the sensing height of the sensor 138, the magazine portion 131 is replaced. In one possible implementation, the front side of the magazine 136 is notched so that the sensor 138 can more accurately sense the number of magnet blocks 139 loaded within the magazine 136.

In a feasible implementation manner, as shown in fig. 5, 6, 9 and 10, each group of feeding assemblies 110 further includes a material pushing module 140, the material pushing module 140 includes a material pushing table 150, a second driving assembly 160, a second sliding assembly 170 and a second support column 180, a groove 151 matched with the size of a single magnet block 139 is formed in the material pushing table 150, the material pushing table 150 is connected with the second driving assembly 160, the top of the second sliding assembly 170 is connected with the material pushing table 150, and the bottom of the second sliding assembly 170 is connected with the workbench 120 through the second support column 180; when the magnet block 139 falls down by gravity, it can be accommodated in the groove 151, and the pusher table 150 can be moved back and forth in the longitudinal direction of the magnet feeding mechanism by the driving action of the second driving assembly 160. When the material pushing table 150 receives materials, the groove 151 of the material pushing table 150 is located right below the bin 136, after the magnet 139 in the bin 136 falls into the groove 151, the second driving assembly 160 pushes the material pushing table 150 away from the right below the bin 136, so that a mechanical arm of a subsequent material taking mechanism can take materials, and the size of the inner wall of the groove 151 can be slightly larger than the size of the outer edge of the magnet 139.

In a possible implementation manner, as shown in fig. 11, a second notch 152 is formed in an end portion of the pushing platform 150 close to the second driving assembly 160, a second floating joint 161 is formed in an end portion of the second driving assembly 160 close to the pushing platform 150, the second floating joint 161 is inserted into the second notch 152, and when the second driving assembly 160 drives the pushing platform 150 to move, the second floating joint 161 can freely displace relative to the second notch 152; the second notch 152 is only required to be arranged so that the second floating joint 161 does not fall out of the second notch 152, and the inner dimension of the second notch 152 may be larger than the outer dimension of the second floating joint 161, so as to provide a moving space for the second floating joint 161 in the second notch 152, that is, the second floating joint 161 can freely move relative to the second notch 152. In a possible implementation manner, the second driving assembly 160 is a cylinder, and when the cylinder rod extends out of the cylinder, a center line of an end of the cylinder rod away from the cylinder may be offset from a center line of the cylinder, so that the second floating joint 161 may be tilted up or pressed down, and a certain moving space needs to be provided for the second floating joint 161 by the second gap 152.

The second sliding assembly 170 includes a second sliding block 171, a second sliding rail 172 and a second sliding connection platform 173, the second sliding block 171 is disposed on the second sliding rail 172, the top of the second sliding block 171 is connected to the material pushing platform 150, and the second sliding rail 172 is fixed on the second sliding connection platform 173. The pushing platform 150 and the second sliding block 171 can move relative to the second sliding rail 172 at the same time, the second sliding connection platform 173 keeps a fixed state relative to the workbench 120, and in order to make the second driving assembly 160 parallel to the workbench 120, a pad block can be arranged at the bottom of the second driving assembly 160, so that the direction of the driving force generated by the second driving assembly 160 is parallel to the moving direction of the pushing platform 150.

In one possible implementation manner, as shown in fig. 11, the material pushing module 140 further includes a power buffering table 141, and the power buffering table 141 is disposed on the working platform 120 and located between the working platform 120 and the second support 180; in the operation process of magnet feeding mechanism, it pushes away the material action repeatedly always to push away material module 140, can produce the dynamic load, when second sliding connection platform 173 only links to each other with workstation 120 through second pillar 180, second pillar 180 takes place to become flexible with workstation 120 and second sliding connection platform 173 very easily under the effect of dynamic load, cause to push away material module 140 and take place to damage, for the life who prolongs material module 140, set up power cushion table 141 between second pillar 180 and workstation 120, and power cushion table 141 pastes the surface setting at workstation 120.

As shown in fig. 9, the material pushing module 140 further includes a first protection cover 142, the first protection cover 142 covers the top of the second driving assembly 160, and the first protection cover 142 is connected to the worktable 120. The arrangement of the first protection cover 142 can prevent a person from accidentally touching the second driving assembly 160, and can reduce the interference between the adjacent material pushing modules 140.

In one possible implementation manner, as shown in fig. 1, the magnet feeding mechanism further includes a second protective cover 700, the second protective cover 700 covers the outer sides of the feeding portion 100 and the transmission portion 200, and a safety light barrier 710 is further disposed on the front side of the second protective cover 700, and the safety light barrier 710 is used for sensing whether a foreign object is inserted into the second protective cover 700. The arrangement of the second protective cover 700 can distinguish the magnet feeding mechanism from mechanisms of other processes, and can also protect the structures of the feeding part 100 and the transmission part 200 in the second protective cover 700, and the second protective cover 700 is further provided with a safety grating 710, so that when the magnet feeding mechanism is in operation, the safety grating 710 can sense the entering of foreign matters, give out warning and reminding, and ensure the safe operation of the magnet feeding mechanism.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above examples only show several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A magnet feeding mechanism, comprising:

the feeding part (100) comprises at least one group of feeding assemblies (110) and a workbench (120), and the at least one group of feeding assemblies (110) are arranged on the workbench (120) and connected with the workbench (120);

the conveying part (200), the said conveying part (200) locates at the inferior part of the said feeding part (100), and link with said feeding part (100); the transmission part (200) comprises a first sliding assembly (300), a connecting plate (400) and a first driving assembly (500), the first sliding assembly (300) is positioned at the bottom of the workbench (120) and is connected with the workbench (120), and the connecting plate (400) is connected with the workbench (120) and the first driving assembly (500);

the first driving assembly (500) drives the workbench (120) to move by driving the connecting plate (400), so as to drive the feeding part (100) to move back and forth along the transverse direction of the magnet feeding mechanism; the transverse direction is provided with a first critical position and a second critical position, the feeding part (100) can move between the first critical position and the second critical position, and when the feeding part (100) is located at the first critical position or the second critical position, the maximum grabbing radius of the mechanical arms located at two sides of the magnet feeding mechanism is larger than or equal to half of the total length of all the feeding assemblies (110).

2. The magnet feeding mechanism according to claim 1, wherein the first sliding assembly (300) comprises a first sliding block (310), a first sliding rail (320) and a first sliding connection table (330), the first sliding block (310) is arranged on the first sliding rail (320) and connected with the bottom of the workbench (120), the first sliding rail (320) is fixed on the first sliding connection table (330), an opening (331) is arranged on the first sliding block (310) connection table, and the connection plate (400) passes through the opening (331) and is connected with the workbench (120);

be equipped with first breach (410) on connecting plate (400), the tip of first drive assembly (500) is equipped with first unsteady joint (510), first unsteady joint (510) insert in first breach (410), work as when first drive assembly (500) drive workstation (120) through drive connecting plate (400) and move, first unsteady joint (510) can be relative first breach (410) take place free displacement.

3. The magnet feeding mechanism according to claim 2, wherein the transfer part (200) further comprises a reinforcing plate (600), and the reinforcing plate (600) is provided at both sides of the connection plate (400) and connected to the table (120).

4. A magnet feeding mechanism according to claim 3, wherein each group of feeding assemblies (110) comprises a feeding module (130), the feeding module (130) comprises a bin portion (131), a first connecting table (132), a clamping member (133) and a first support column (134), the bin portion (131) and the clamping member (133) are arranged on the first connecting table (132), and the first connecting table (132) is connected with the worktable (120) through the first support column (134);

be equipped with through-hole (135) on first joint table (132), feed bin portion (131) include feed bin (136) and set up and be in pterygoid lamina (137) of feed bin (136) both sides, feed bin (136) can stretch into in through-hole (135), holder (133) can with pterygoid lamina (137) butt.

5. The magnet feeding mechanism according to claim 4, wherein the holding member (133) is rotatable relative to the first connecting table (132), the holding member (133) gradually disengages from the wing plate (137) when the holding member (133) rotates away from the magazine portion (131), and the magazine portion (131) is separable from the first connecting table (132); when the clamping piece (133) rotates towards the stock bin part (131), the clamping piece (133) is abutted against the wing plate (137), and the stock bin part (131) and the first connecting table (132) are kept fixed.

6. The magnet feeding mechanism according to claim 5, characterized in that the first connecting table (132) is further provided with a sensor (138), the sensor (138) is positioned at the front side of the bin (136), and the bin (136) is internally provided with a magnet block (139);

when the height of the magnet block (139) is lower than the sensing height of the sensor (138), the material bin part (131) is replaced.

7. The magnet feeding mechanism according to claim 6, wherein each group of feeding assemblies (110) further comprises a material pushing module (140), the material pushing module (140) comprises a material pushing table (150), a second driving assembly (160), a second sliding assembly (170) and a second support column (180), a groove (151) matched with the size of the single magnet block (139) is formed in the material pushing table (150), the material pushing table (150) is connected with the second driving assembly (160), the top of the second sliding assembly (170) is connected with the material pushing table (150), and the bottom of the second sliding assembly (170) is connected with the workbench (120) through the second support column (180);

when falling under the action of gravity, the magnet block (139) can be accommodated in the groove (151), and the material pushing table (150) can move back and forth along the longitudinal direction of the magnet feeding mechanism under the driving action of the second driving assembly (160).

8. The magnet feeding mechanism according to claim 7, characterized in that the material pushing table (150) is provided with a second notch (152) at the end close to the second driving assembly (160), the second driving assembly (160) is provided with a second floating joint (161) at the end close to the material pushing table (150), the second floating joint (161) is inserted into the second notch (152), and when the second driving assembly (160) drives the material pushing table (150) to move, the second floating joint (161) can freely displace relative to the second notch (152);

the second sliding assembly (170) comprises a second sliding block (171), a second sliding rail (172) and a second sliding connection table (173), the second sliding block (171) is arranged on the second sliding rail (172), the top of the second sliding block (171) is connected with the material pushing table (150), and the second sliding rail (172) is fixed on the second sliding connection table.

9. The magnet feeding mechanism according to claim 8, wherein the material pushing module (140) further comprises a power buffering table (141), the power buffering table (141) is disposed on the working table (120) and located between the working table (120) and the second support column (180);

the material pushing module (140) further comprises a first protection cover (142), the first protection cover (142) covers the top of the second driving assembly (160), and the first protection cover (142) is connected with the workbench (120).

10. The magnet feeding mechanism according to claim 9, further comprising a second protective cover (700), wherein the second protective cover (700) covers the outer sides of the feeding portion (100) and the transmission portion (200), and a safety light barrier (710) is further disposed on the front side of the second protective cover (700), and the safety light barrier (710) is used for sensing whether a foreign object is inserted into the second protective cover (700).