CN114194785A

CN114194785A - Feeding device

Info

Publication number: CN114194785A
Application number: CN202111598186.1A
Authority: CN
Inventors: 孙丰; 张宝峰; 吴斌; 刘斌
Original assignee: Suzhou Secote Precision Electronic Co Ltd
Current assignee: Suzhou Secote Precision Electronic Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-03-18

Abstract

The invention relates to the technical field of dispensing equipment and discloses a feeding device. This loading attachment includes material loading mounting bracket, feed bin subassembly and material loading subassembly, and two sets of material loading mounting bracket intervals are arranged, and the both ends of feed bin subassembly link to each other with a set of material loading mounting bracket respectively, and the feed bin subassembly is configured to bear the charging tray, and the feed bin subassembly can be followed the material loading mounting bracket and removed to the one side that stretches out the material loading mounting bracket. The material loading subassembly sets up between two sets of material loading mounting brackets, and the material loading subassembly can remove for the material loading mounting bracket, and the material loading subassembly can remove to the downside of feed bin subassembly or stretch out the opposite side of material loading mounting bracket to send back the feed bin subassembly and/or take away the charging tray that carries the work piece on the feed bin subassembly with empty charging tray. When a material tray carrying a workpiece needs to be stored or an empty material tray needs to be taken out, the material bin assembly only needs to be pulled out of the material loading mounting frame, the machine does not need to be stopped, and the working efficiency is improved; and need not the manual work and take away the empty charging tray from the glue bit one by one, further improve work efficiency.

Description

Feeding device

Technical Field

The invention relates to the technical field of dispensing equipment, in particular to a feeding device.

Background

With the development of society, the gradual rise of labor cost and the rise of automation industry, the wide use of automation equipment becomes an irreplaceable trend. The rapid popularization of the automation equipment which is an important tool not only can save a large amount of manpower and material resources for various industries, but also greatly improves the product quality and increases the output value benefit. Modern electronic products's volume is littleer and smaller, when fixing its spare part, the form that relies on the fastener to connect alone can not satisfy the demand, consequently, the equipment is glued to glue to electronic products to the commonly adopted point now.

In the dispensing process, the workpiece needs to be moved to a dispensing device for dispensing, which is called as loading, and the loading device is generally used for loading. The automatic degree of the feeding device used at present is not high, and after one batch of workpieces are dispensed, the feeding device needs to be stopped to feed the next batch of workpieces, so that the working efficiency is low; moreover, empty charging trays after being charged need to be taken away one by one manually, which is time-consuming and labor-consuming.

Disclosure of Invention

The invention aims to provide a feeding device, which solves the problem that the existing feeding device needs to be stopped for feeding and needs to take empty trays one by one manually, so that the working efficiency is low.

In order to achieve the purpose, the invention adopts the following technical scheme:

a loading device, comprising:

the feeding mounting frames are arranged in two groups, and the two groups of feeding mounting frames are arranged at intervals;

the two ends of the bin assembly are respectively connected with a group of the feeding mounting frames, the bin assembly is configured to bear a material tray, and the bin assembly can move along the feeding mounting frames to one side extending out of the feeding mounting frames;

the feeding assembly is arranged between the two groups of feeding mounting frames and can move relative to the feeding mounting frames, and the feeding assembly can move to the lower side of the stock bin assembly or extend out of the other side of the feeding mounting frames so as to feed the empty material tray back to the stock bin assembly and/or take away the material tray loaded with the workpiece on the stock bin assembly.

As an alternative, the storage bin assembly comprises a first baffle and a second baffle, the first baffle and the second baffle are perpendicular to the moving direction of the storage bin assembly, the first baffle and the second baffle are arranged at intervals to form a containing space, a partition plate parallel to the first baffle and the second baffle is arranged in the containing space, the partition plate divides the containing space into an upper storage bin and a lower storage bin, and openings are formed in the upper end and the lower end of the upper storage bin and the lower end of the lower storage bin.

As an alternative, two sides of the bottom of the upper storage bin are provided with supporting pieces, and the supporting pieces can selectively extend into the upper storage bin to support the material tray in the upper storage bin.

As an alternative, the supporting piece comprises a supporting plate and a telescopic cylinder, the supporting plate is horizontally arranged and connected with the output end of the telescopic cylinder, and the telescopic cylinder can drive the supporting plate to stretch out and draw back, so that the supporting plate extends out of the upper material bin or retracts into the lower material bin.

As an alternative scheme, the top ends of the inner side walls of the upper material bin and the lower material bin are provided with photoelectric sensors, and the photoelectric sensors can sense the positions of the material trays in the upper material bin and the lower material bin.

As an alternative scheme, the both sides of feed bin are provided with the non return spare down, the non return spare can stretch into feed bin down, in order to right the charging tray carries out the bearing, the non return spare can upwards rotate to avoiding the charging tray to can return automatically right the position that the charging tray carried out the bearing.

As an alternative, a bin guide rail is arranged on the feeding mounting frame, and the bin assembly can slide along the bin guide rail.

As an alternative, the one end of feed bin guide rail is kept away from the feed bin subassembly stretches out the material loading mounting bracket is provided with the kayser, the last correspondence of feed bin subassembly is provided with the draw-in groove, the kayser card is gone into in the draw-in groove, in order to right the feed bin subassembly carries on spacingly, the kayser links to each other with the output of unblock cylinder, the unblock cylinder can drive the kayser removes and blocks the draw-in groove with selectivity card.

As an alternative scheme, the feeding mounting frame is provided with one end of the clamping lock is provided with an approaching sensor, the approaching sensor is electrically connected with the unlocking cylinder, and when the approaching sensor senses the stock bin assembly, the unlocking cylinder is started to drive the clamping lock to be clamped into the clamping groove.

As an alternative, the feeding assembly comprises:

the lifting plate is embedded in the supporting plate and can move up and down relative to the supporting plate to a position higher than the supporting plate;

and the jacking plate driving part is arranged at the lower side of the supporting plate and used for driving the jacking plate to move up and down.

As an alternative, the feeding assembly further comprises:

the feeding bottom plate is connected with the supporting plate;

the material loading driving screw rod extends along the arrangement direction of the material loading bin and the material unloading bin, the length of the material loading driving screw rod is larger than that of the material loading bin assembly, the material loading driving screw rod and the material loading bin assembly are respectively extended out of two opposite ends of the material loading mounting frame, the material loading driving screw rod is connected with the material loading bottom plate in a rotating mode, and the screw rod rotates to drive the material loading bottom plate to move along the screw rod.

As an alternative scheme, a motor is arranged at one end of the feeding driving screw rod, the feeding driving screw rod is connected with the output end of the motor, and the motor is used for driving the feeding driving screw rod to rotate. As a preferable mode of the above-mentioned feeding device.

The invention has the beneficial effects that:

according to the feeding device, the bin assembly can be used for storing the material tray loaded with the workpiece and the empty material tray at the same time, the bin assembly can move along the feeding mounting frame, when the material tray loaded with the workpiece needs to be stored or the empty material tray needs to be taken out, the bin assembly only needs to be pulled out of the feeding mounting frame, the operation of stopping the machine is not needed, and the working efficiency is improved; the feeding assembly can move between the two feeding mounting frames, a material tray loaded with a workpiece in the stock bin assembly can be moved to the next process, the empty material tray after dispensing is sent back to the stock bin assembly, a plurality of empty material trays are accumulated in the stock bin assembly, the stock bin assembly is pulled out of the feeding mounting frame and is taken away manually, the empty material trays are not required to be taken away from a dispensing position one by one manually, and the work efficiency is further improved.

Drawings

FIG. 1 is a first schematic structural diagram of a feeding device provided by the invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic structural diagram II of the feeding device provided by the present invention;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a schematic view of the construction of a check provided by the present invention;

fig. 6 is a schematic structural diagram three of the feeding device provided by the invention.

In the figure:

11. a feeding mounting frame; 111. a stock bin guide rail; 112. locking; 113. an unlocking cylinder; 114. a proximity sensor;

12. a bin assembly; 121. a first baffle plate; 122. a second baffle; 123. a partition plate; 124. feeding a bin; 125. discharging a bin; 126. a support member; 1261. a support plate; 1262. a telescopic cylinder; 127. a photoelectric sensor; 128. closing the plate; 129. a check member; 1291. connecting blocks;

13. a feeding assembly; 131. a support plate; 132. a jacking plate; 133. a jacking plate driving member; 134. a feeding bottom plate; 135. a feeding driving screw rod; 136. a motor; 137. a driving wheel; 138. a driven wheel; 139. a transmission belt;

14. and loading and mounting the substrate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, the present embodiment provides a feeding device, which is applied to a dispensing apparatus, and is used for conveying a workpiece to be dispensed to a dispensing station for dispensing, and a plurality of workpieces are placed on a same tray for conveying. This loading attachment includes material loading mounting bracket 11, feed bin subassembly 12 and material loading subassembly 13, and material loading mounting bracket 11 is provided with two sets ofly, and 11 intervals of two sets of material loading mounting brackets are arranged, and the both ends of feed bin subassembly 12 link to each other with a set of material loading mounting bracket 11 respectively, and feed bin subassembly 12 is used for bearing the charging tray, and feed bin subassembly 12 can be followed material loading mounting bracket 11 and removed to the one side that stretches out material loading mounting bracket 11. The feeding assembly 13 is arranged between the two sets of feeding mounting frames 11, the feeding assembly 13 can move relative to the feeding mounting frames 11, and the feeding assembly 13 can move to the lower side of the bin assembly 12 or extend out of the other side of the feeding mounting frames 11 so as to feed an empty tray back to the bin assembly 12 and/or take away a tray which is loaded with a workpiece in the bin assembly 12.

According to the feeding device provided by the embodiment, the bin assembly 12 can be used for simultaneously storing the material tray loaded with the workpiece and the empty material tray, the bin assembly 12 can move along the feeding mounting frame 11, when the material tray loaded with the workpiece needs to be stored or the empty material tray needs to be taken out, the bin assembly 12 only needs to be pulled out of the feeding mounting frame 11, the operation of stopping the machine is not needed, and the working efficiency is improved; the feeding assembly 13 can move between the two feeding mounting frames 11, can move the material tray carrying the workpiece in the stock bin assembly 12 to the next process, and sends the empty material tray after dispensing back to the stock bin assembly 12, after a plurality of empty material trays are accumulated in the stock bin assembly 12, the stock bin assembly 12 is pulled out of the feeding mounting frames 11 and is manually taken away, the empty material trays are not required to be manually taken away from the dispensing positions one by one, and the work efficiency is further improved.

Preferably, as shown in fig. 1, the two material loading mounting frames 11 are disposed on the material loading mounting substrate 14, and the material loading mounting substrate 14 provides a reference surface for mounting the two material loading mounting frames 11, which is convenient for mounting.

Further, as shown in fig. 1 and 2, the upper end of the loading mount 11 is provided with a bin guide rail 111, and the bin assembly 12 can slide along the bin guide rail 111. The feed bin guide rail 111 outside is connected with leads the chain, leads the one end of chain and slides with feed bin guide rail 111 and links to each other, and the other end is connected in feed bin subassembly 12, provides the support for feed bin subassembly 12's removal, makes feed bin subassembly 12 slip on feed bin guide rail 111 more stable.

Further, as shown in fig. 1 and fig. 2, one end of the bin guide rail 111, which is far away from the bin assembly 12 and extends out of the feeding mounting frame 11, is provided with a latch 112, the bin assembly 12 is correspondingly provided with a clamping groove, and the latch 112 is clamped into the clamping groove to limit the bin assembly 12, so as to prevent the bin assembly 12 from sliding on the bin guide rail 111 at will. The latch 112 is connected to an output of an unlocking cylinder 113, and the unlocking cylinder 113 can drive the latch 112 to move to selectively latch into the card slot. After the loading or unloading of the stock bin assembly 12 is completed, the loading mounting frame 11 is pushed in, and the latch 112 is clamped in the clamping groove to fix the stock bin assembly 12 and prevent the stock bin assembly 12 from moving randomly, so that the loading assembly 13 can be moved to the stock bin assembly 12 to take and place the material tray.

Preferably, one end of the loading mounting frame 11, at which the latch 112 is disposed, is provided with an approach sensor 114, the approach sensor 114 is electrically connected to the unlocking cylinder 113, and when the approach sensor 114 senses the bin assembly 12, the unlocking cylinder 113 is activated to drive the latch 112 to be latched into the latching slot.

Further, with reference to fig. 1, the bin assembly 12 includes a first baffle 121 and a second baffle 122, the first baffle 121 and the second baffle 122 are perpendicular to the moving direction of the bin assembly 12, the first baffle 121 and the second baffle 122 are spaced to form an accommodating space, a partition 123 parallel to the first baffle 121 and the second baffle 122 is disposed in the accommodating space, the partition 123 divides the accommodating space into an upper bin 124 and a lower bin 125, openings are disposed at the upper end and the lower end of the upper bin 124 and the lower bin 125, and a tray is placed in from the opening at one end and taken out from the opening at the other end. In this embodiment, the accommodation space that is close to one side of kayser 112 is feed bin 125, the accommodation space of opposite side is feed bin 124, the outside of enclosing into first baffle 121 of feed bin 124 is provided with shrouding 128, shrouding 128 can shelter from first baffle 121 and feed bin guide rail 111, pulling shrouding 128 can pull out material loading mounting bracket 11 with feed bin 124 and feed bin 125, promote shrouding 128 again after going up the unloading and push material loading mounting bracket 11 with feed bin 124 and feed bin 125, carry out the transport of next round of charging tray, it is very convenient to operate.

Further, as shown in fig. 1, two sides of the bottom of the upper bin 124 are provided with supporting members 126, and the supporting members 126 can selectively extend into the upper bin 124 to support the trays in the upper bin 124. Specifically, the support member 126 comprises a support plate 1261 and a telescopic cylinder 1262, the support plate 1261 is horizontally arranged and is connected with the output end of the telescopic cylinder 1262, and the telescopic cylinder 1262 can drive the support plate 1261 to extend and retract, so that the support plate 1261 extends into the upper storage bin 124 or retracts out of the upper storage bin 124. When the tray is placed into the upper bin 124, the supporting plate 1261 is dragged to the bottom of the tray at the lowest tray, so that the tray is prevented from leaking out of the lower opening of the upper bin 124. When the feeding assembly 13 moves to a position right below the upper bin 124 to prepare for receiving a tray, the supporting plate 1261 retracts to the two sides of the upper bin 124, the lowest tray falls onto the feeding assembly 13, the feeding assembly 13 moves downwards by a distance equivalent to the thickness of one tray, the supporting plate 1261 extends to the bottom of the lowest tray in the upper bin 124 again to support the rest trays in the upper bin 124, and the feeding assembly 13 continues to move downwards by a certain distance and then moves horizontally to a position avoiding the bin assembly 12.

Preferably, as shown in fig. 1, the top ends of the inner side walls of the lower bin 125 and the upper bin 124 are provided with photoelectric sensors 127, and the photoelectric sensors 127 can sense the positions of the trays in the upper bin 124 and the lower bin 125. Aiming at the function of the photoelectric sensor 127 on the blanking bin 125, when the stacking height of a plurality of trays reaches the position of the photoelectric sensor 127, an operator is reminded to pull out the bin assembly 12 and take out the trays in the blanking bin 125. Aiming at the function of the photoelectric sensor 127 on the upper bin 124, when the height of the stacked multiple trays in the upper bin 124 reaches the position of the photoelectric sensor 127, the operator is reminded not to reload more trays, so as to prevent the normal movement of the bin assembly 12 or the falling of the trays caused by too many trays.

Further, combine fig. 3 and 4, the both sides of feed bin 125 are provided with non return 129 down, and non return 129 can stretch into feed bin 125 down in order to carry out the bearing to the charging tray, and non return 129 can upwards rotate to avoiding the charging tray to can return automatically to the position of carrying out the bearing to the charging tray. The material loading subassembly 13 carries the empty charging tray to under the feed bin 125, and material loading subassembly 13 is with the ascending jacking of empty charging tray, and the empty charging tray pushes up non return 129 and upwards rotates, and when the empty charging tray rose to break away from non return 129, non return 129 was down turned round under the action of gravity and is moved, resumes to the normal position, continues to carry out the bearing to the empty charging tray in the feed bin 125.

Specifically, as shown in fig. 4, the check 129 is connected to a side wall of the lower bin 125 by a connecting block 1291, the connecting block 1291 is provided with a vertical slot on a side facing the lower bin 125, and the check 129 is hinged in the slot and can rotate in a vertical plane. As shown in fig. 5, which is a structural diagram of the check 129, the check 129 includes two check plates, and in a natural state, one of the check plates abuts against the bottom of the slot, and the other check plate is exactly in a horizontal direction, so as to prevent the check 129 from excessively rotating and failing to effectively support the empty tray.

Further, referring back to fig. 1, the feeding assembly 13 includes a supporting plate 131 and a lifting plate 132, the lifting plate 132 is embedded in the supporting plate 131, the lifting plate 132 can move up and down relative to the supporting plate 131 to a position higher than the supporting plate 131, a lifting plate driving member 133 is disposed at a lower side of the supporting plate 131, and the lifting plate driving member 133 is used for driving the lifting plate 132 to move up and down. Specifically, the supporting plate 131 is in a "square" structure, the lifting plate 132 is disposed in the hollow portion of the middle of the supporting plate 131, and the lifting plate driving member 133 drives the lifting plate 132 to move up and down, so as to lift up the tray on the supporting plate 131. In order to smoothly enter the lower part of the stock bin assembly 12, the height of the supporting plate 131 is designed to be lower than the upper stock bin 124 and the lower stock bin 125 by a certain distance, after the supporting plate 131 reaches the position right below the upper stock bin 124, the lifting plate 132 rises to the position attached to the material tray, then the supporting plate 1261 is loosened, the material tray falls on the lifting plate 132, and the material tray is effectively prevented from falling from the higher position to cause the dislocation of workpieces on the material tray. When the pallet 131 transfers the empty tray back to the lower bin 125, the empty tray is lifted up to a height exceeding the check member 129 by the lift plate 132, thereby being transferred into the lower bin 125.

Further, with reference to fig. 1 and 6, the feeding assembly 13 further includes a feeding bottom plate 134 and a feeding driving screw 135, the feeding bottom plate 134 is connected to the support plate 131, the feeding driving screw 135 extends along the arrangement direction of the feeding bin 124 and the feeding bin 125, the length of the feeding driving screw 135 is greater than that of the bin assembly 12, the feeding driving screw 135 and the bin assembly 12 respectively extend from two opposite ends of the feeding mounting frame 11, the feeding driving screw 135 is in threaded connection with the feeding bottom plate 134, the feeding driving screw 135 rotates to drive the feeding bottom plate 134 to move along the feeding driving screw 135, so as to drive the support plate 131 and the lifting plate 132 to move in the arrangement direction of the feeding bin 124 and the feeding bin 125, and complete the feeding of the material trays.

In order to provide an escape space for installing the lifting plate driving member 133, as shown in fig. 1, the feeding base plate 134 and the pallet 131 are connected by four support columns, the lifting plate driving member 133 is disposed between the four support columns, and preferably, a support plate is further disposed between the feeding base plate 134 and the pallet 131, and the lifting plate driving member 133 is disposed on the support plate.

Preferably, the lifting plate driving member 133 may be an air cylinder, the cylinder is connected to the supporting plate, and the output end of the air cylinder is connected to the lifting plate 132 to drive the lifting plate 132 to move up and down. The cylinder is simple in structure and stable in operation.

Further, with reference to fig. 1 and fig. 6, a motor 136 is disposed at one end of the feeding driving screw 135, the feeding driving screw 135 is connected to an output end of the motor 136, the motor 136 is configured to drive the feeding driving screw 135 to rotate, and the motor 136 is preferably a servo motor. Specifically, the output end of the motor 136 is connected with a driving wheel 137, one end of the feeding driving screw rod 135 is connected with a driven wheel 138, the driving wheel 137 and the driven wheel 138 are connected through a transmission belt 139, the motor 136 is started to drive the driving wheel 137 to rotate, and then the driven wheel 138 is driven to rotate through the transmission belt 139, so that the feeding driving screw rod 135 is driven to rotate. The rotation direction of the feeding driving screw rod 135 can be changed by controlling the motor 136 to rotate positively and negatively, so that the feeding assembly 13 can move back and forth along the feeding driving screw rod 135.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A loading device, comprising:

the two groups of feeding mounting frames (11) are arranged, and the two groups of feeding mounting frames (11) are arranged at intervals;

the two ends of the bin assembly (12) are respectively connected with the group of the feeding mounting frames (11), the bin assembly (12) is configured to bear a material tray, and the bin assembly (12) can move along the feeding mounting frames (11) to one side extending out of the feeding mounting frames (11);

the feeding assembly (13) is arranged between the two groups of feeding mounting frames (11), the feeding assembly (13) can move relative to the feeding mounting frames (11), and the feeding assembly (13) can move to the lower side of the stock bin assembly (12) or extend out of the other side of the feeding mounting frames (11) so as to feed the empty material tray back to the stock bin assembly (12) and/or take away the material tray which is loaded with the workpiece and is arranged on the stock bin assembly (12).

2. The loading device according to claim 1, wherein the silo assembly (12) comprises a first baffle (121) and a second baffle (122), the first baffle (121) and the second baffle (122) are perpendicular to the moving direction of the silo assembly (12), the first baffle (121) and the second baffle (122) are arranged at intervals to form an accommodating space, a partition plate (123) parallel to the first baffle (121) and the second baffle (122) is arranged in the accommodating space, the partition plate (123) divides the accommodating space into an upper silo (124) and a lower silo (125), and openings are arranged at the upper end and the lower end of the upper silo (124) and the lower silo (125).

3. The loading device according to claim 2, characterized in that supporting members (126) are arranged on two sides of the bottom of the upper bin (124), and the supporting members (126) can selectively extend into the upper bin (124) to support the tray in the upper bin (124).

4. The loading device according to claim 3, characterized in that the support member (126) comprises a support plate (1261) and a telescopic cylinder (1262), the support plate (1261) is horizontally arranged and is connected with the output end of the telescopic cylinder (1262), and the telescopic cylinder (1262) can drive the support plate (1261) to be telescopic so that the support plate (1261) extends to the inside of the upper bin (124) or retracts to the outside of the upper bin (124).

5. The loading device according to claim 2, characterized in that the top end of the inner side wall of the upper bin (124) and the lower bin (125) are provided with photoelectric sensors (127), and the photoelectric sensors (127) can sense the positions of the trays in the upper bin (124) and the lower bin (125).

6. The loading device according to claim 2, characterized in that the two sides of the lower bin (125) are provided with a check piece (129), the check piece (129) can extend into the lower bin (125) to support the tray, and the check piece (129) can rotate upwards to avoid the tray and can automatically return to the position for supporting the tray.

7. A loading device according to claim 1, characterized in that a bin guide rail (111) is arranged on the loading mounting frame (11), the bin assembly (12) being slidable along the bin guide rail (111).

8. The feeding device according to claim 7, characterized in that one end of the bin guide rail (111) far away from the bin assembly (12) extending out of the feeding mounting frame (11) is provided with a locking latch (112), the bin assembly (12) is correspondingly provided with a locking slot, the locking latch (112) is locked in the locking slot to limit the bin assembly (12), the locking latch (112) is connected with an output end of an unlocking cylinder (113), and the unlocking cylinder (113) can drive the locking latch (112) to move to be selectively locked in the locking slot.

9. The feeding device according to claim 8, characterized in that an approach sensor (114) is arranged at one end of the feeding mounting frame (11) where the latch (112) is arranged, the approach sensor (114) is electrically connected with the unlocking cylinder (113), and when the approach sensor (114) senses the stock bin assembly (12), the unlocking cylinder (113) is started to drive the latch (112) to be clamped into the clamping groove.

10. A feeding device according to claim 7, characterized in that said feeding assembly (13) comprises:

the lifting device comprises a supporting plate (131) and a lifting plate (132), wherein the lifting plate (132) is embedded in the supporting plate (131), and the lifting plate (132) can move up and down relative to the supporting plate (131) to a position higher than the supporting plate (131);

the jacking plate driving piece (133) is arranged on the lower side of the supporting plate (131), and the jacking plate driving piece (133) is used for driving the jacking plate (132) to move up and down.

11. A loading device according to claim 10, characterized in that said loading assembly (13) further comprises:

the feeding bottom plate (134), the feeding bottom plate (134) is connected with the supporting plate (131);

material loading drive lead screw (135), follow material loading feed bin (124) with the direction of arranging of feed bin (125) extends down, the length of material loading drive lead screw (135) is greater than the length of feed bin subassembly (12), material loading drive lead screw (135) with feed bin subassembly (12) are followed respectively the relative both ends of material loading mounting bracket (11) are stretched out, material loading drive lead screw (135) with material loading bottom plate (134) threaded connection, the lead screw rotates in order to drive material loading bottom plate (134) are followed the lead screw removes.

12. The feeding device according to claim 11, characterized in that a motor (136) is arranged at one end of the feeding driving screw rod (135), the feeding driving screw rod (135) is connected with an output end of the motor (136), and the motor (136) is used for driving the feeding driving screw rod (135) to rotate.