CN113928846B

CN113928846B - Workpiece feeding equipment

Info

Publication number: CN113928846B
Application number: CN202111167955.2A
Authority: CN
Inventors: 王执科; 吴丰礼; 宋宝; 叶伯生
Original assignee: Guangdong Topstar Technology Co Ltd
Current assignee: Guangdong Topstar Technology Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2023-04-07
Anticipated expiration: 2041-09-30
Also published as: CN113928846A

Abstract

The invention discloses a workpiece feeding device assembled on a rack, wherein the rack is provided with a material tray feeding position, a workpiece feeding position and a material tray discharging position. The material tray conveying line is used for conveying material trays; the workpiece feeding mechanism is used for placing the workpiece on a material tray conveyed to the workpiece feeding position by a material tray conveying line; the first bin mechanism is used for stacking the material discs conveyed to the material feeding position of the material discs by the material disc conveying line upwards together with the workpieces; the second storage bin mechanism is used for stacking and storing the material trays, placing the material trays downwards on the material tray conveying line and continuously conveying the material trays to the material loading position of the workpiece by the material tray conveying line; the material tray taking and placing manipulator is used for transferring the material tray to the second material bin mechanism, so that the material tray of the workpiece feeding equipment is higher in use efficiency and higher in battery feeding speed.

Description

Workpiece feeding equipment

Technical Field

The invention relates to the field of workpiece feeding, in particular to workpiece feeding equipment.

Background

It is well known that with the rapid development and mass application of electronic products, the efficiency and quality requirements for battery production are increasing. In the processing process of the battery, the flow operation of switching from the conveying line to the baking area cannot be avoided, so that the production process requirement of the battery is met.

At present, generally carry the battery to the charging tray from transfer chain to the district that toasts on, put into the district that toasts with battery and charging tray together again and toast, cool off after the stoving is accomplished, take back the charging tray and use again after the cooling, this kind of mode occupies the charging tray in large quantity, and it is long and be unfavorable for the quick material loading of battery.

In addition, the above-mentioned drawbacks also exist for the charging apparatus for workpieces other than batteries.

Therefore, a workpiece feeding device with a tray having higher use efficiency and a battery feeding speed is urgently needed to overcome the defects.

Disclosure of Invention

The invention aims to provide workpiece feeding equipment with a material tray higher in use efficiency and a battery feeding speed.

In order to achieve the purpose, the workpiece feeding equipment is assembled on a rack, a material tray feeding position, a workpiece feeding position and a material tray discharging position are arranged on the rack, and the workpiece feeding equipment comprises a material tray conveying line, a workpiece feeding mechanism, a first material bin mechanism, a second material bin mechanism and a material tray taking and placing manipulator. The material tray conveying line is used for conveying material trays, and is respectively opposite to the material feeding position of the material tray, the material loading position of the workpiece and the material discharging position of the material tray; the workpiece feeding mechanism is opposite to the workpiece feeding position and is used for placing workpieces on a material tray conveyed to the workpiece feeding position by the material tray conveying line; the first bin mechanism is opposite to the material tray feeding position and is used for upwards stacking the material trays conveyed to the material tray feeding position by the material tray conveying line together with workpieces; the second storage bin mechanism is opposite to the material discharging position of the material tray, is used for stacking and storing the material tray which is taken away from the workpiece in the first storage bin mechanism, and also downwards places the material tray on the position, opposite to the material discharging position of the material tray, of the material tray conveying line, and the material tray is continuously conveyed to the material loading position of the workpiece by the material tray conveying line; the material tray taking and placing mechanical arm is arranged right above the first material bin mechanism and the second material bin mechanism and used for transferring a material tray, taken away from a workpiece in the first material bin mechanism, to the second material bin mechanism.

Preferably, the first bin mechanism includes a first bin frame located directly above the material tray conveying line, a first separator mounted on the first bin frame, and a first lifting assembly located directly below the material tray conveying line, the first lifting assembly can make telescopic movement in a vertical direction to lift up a material tray conveyed to the material tray feeding position by the material tray conveying line together with a workpiece, the first separator can make telescopic movement in a horizontal direction, and the first lifting assembly, in cooperation with the first separator, upwards stacks the material tray conveyed to the material tray feeding position by the material tray conveying line together with the workpiece into the first bin frame.

Preferably, the first bin mechanism further includes a first clamping positioner located between the tray conveying line and the first separator, and the first clamping positioner can perform telescopic movement in the horizontal direction so as to clamp and position the tray lifted upwards by the first lifting assembly together with the workpiece.

Preferably, the second bin mechanism comprises a second bin frame located right above the material tray conveying line, a second separator installed on the second bin frame, and a second lifting assembly located right below the material tray conveying line, the second bin frame is used for stacking and storing material trays taken away from workpieces in the first bin mechanism, the second lifting assembly can perform telescopic movement in the vertical direction, the second separator can perform telescopic movement in the horizontal direction, and the second lifting assembly places the material trays in the second bin frame downwards on the position, opposite to the material tray discharging position, of the material tray conveying line under the cooperation of the second separator.

Preferably, the second stock bin mechanism further comprises a second clamping positioner located between the material tray conveying line and the second separator, and the second clamping positioner can perform telescopic movement in the horizontal direction so as to clamp and position the material tray conveyed downwards by the second lifting assembly.

Preferably, be equipped with work piece unloading position in the frame, work piece feed mechanism contains work piece transfer chain and work piece and gets and put the manipulator, the work piece transfer chain with the work piece carry extremely work piece unloading position, the work piece get put the manipulator set up in directly over work piece transfer chain and charging tray transfer chain, the work piece get put the manipulator be used for with the work piece transfer chain is carried to work piece unloading position the work piece transport extremely by the charging tray transfer chain is carried extremely on the charging tray of work piece material loading position.

Preferably, work piece feed mechanism still contains and is located charging tray elevating system under the charging tray transfer chain, charging tray elevating system can be telescopic motion in vertical direction, charging tray elevating system can be right the charging tray on the work piece material loading level goes up the jacking and carries, so that the charging tray on the work piece material loading level breaks away from the charging tray transfer chain, charging tray elevating system still can the downdraft by the charging tray that charging tray elevating system was jacked, in order to with the charging tray that charging tray elevating system was jacked place in on the charging tray transfer chain.

Preferably, the workpiece feeding mechanism further comprises a tray clamping and positioning mechanism located between the tray conveying line and the workpiece pick-and-place manipulator, and the tray clamping and positioning mechanism can perform telescopic motion in the horizontal direction to clamp and position the tray lifted by the tray lifting mechanism.

Preferably, the workpiece picking and placing manipulator comprises a workpiece traversing component and a workpiece picking and placing component assembled on the workpiece traversing component, the workpiece traversing component can drive the workpiece picking and placing component to slide and switch between the position right above the workpiece discharging position and the position right above the workpiece loading position, and the workpiece picking and placing component can also do telescopic motion in the vertical direction, so that the workpiece picking and placing component can grab the workpiece at the workpiece discharging position under the cooperation of the workpiece traversing component and place the workpiece on a material tray at the workpiece loading position.

Preferably, the tray taking and placing manipulator comprises a tray traversing assembly, a tray lifting assembly assembled on the tray traversing assembly, and a tray taking and placing assembly assembled on the tray lifting assembly, wherein the tray traversing assembly can drive the tray lifting assembly and the tray taking and placing assembly to slide and switch between the position right above the first storage bin mechanism and the position right above the second storage bin mechanism, the tray lifting assembly can drive the tray taking and placing assembly to do lifting motion in the vertical direction, and the tray taking and placing assembly can also do telescopic motion in the horizontal direction, so that the tray taking and placing assembly can grab the tray which is taken away from the workpiece in the first storage bin mechanism and transfer the tray to the second storage bin mechanism under the cooperation of the tray traversing assembly and the tray lifting assembly.

Compared with the prior art, the workpiece feeding equipment is assembled on a rack, and a material tray feeding position, a workpiece feeding position and a material tray discharging position are arranged on the rack. The material tray conveying line is used for conveying material trays and is respectively opposite to the material feeding position of the material tray, the material loading position of the workpiece and the material discharging position of the material tray; the workpiece feeding mechanism is opposite to the workpiece feeding position and is used for placing the workpiece on a material tray conveyed to the workpiece feeding position by a material tray conveying line; the first bin mechanism is opposite to the material feeding position of the material tray and is used for upwards stacking the material tray conveyed to the material feeding position of the material tray by the material tray conveying line together with the workpiece; the second storage bin mechanism is opposite to the material discharging position of the material tray, is used for stacking and storing the material tray which is taken away from the workpiece in the first storage bin mechanism, and also downwards places the material tray on a position, opposite to the material discharging position of the material tray, of the material tray conveying line, and continuously conveys the material tray to the material loading position of the workpiece through the material tray conveying line; the material tray taking and placing mechanical arm is arranged right above the first material bin mechanism and the second material bin mechanism and used for transferring the material tray, in which the workpiece is taken away, in the first material bin mechanism to the second material bin mechanism, so that the material tray of the workpiece feeding equipment is higher in use efficiency and higher in battery feeding speed.

Drawings

Fig. 1 is a schematic perspective view of a workpiece loading apparatus according to the present invention.

Fig. 2 is a schematic perspective view of the positions of the tray conveying lines and the first bin mechanism in the workpiece loading apparatus shown in fig. 1.

Fig. 3 is a schematic perspective view of the positions of the tray conveying lines and the second bin mechanism in the workpiece loading apparatus shown in fig. 1.

Fig. 4 is a schematic perspective view of the positions of the tray conveying lines and the workpiece feeding mechanisms in the workpiece feeding apparatus shown in fig. 1.

Fig. 5 is a schematic perspective view of a workpiece picking and placing robot in the workpiece feeding mechanism shown in fig. 4.

Fig. 6 is a schematic perspective view of a tray taking and placing manipulator in the workpiece loading device shown in fig. 1.

Fig. 7 is a schematic perspective exploded view of the tray taking and placing robot shown in fig. 5.

Detailed Description

Referring to fig. 1, the workpiece feeding apparatus 1 of the present invention is assembled in a rack 4, and the rack 4 is provided with a tray feeding position 4a, a workpiece feeding position 4b, and a tray discharging position 4c, and the workpiece feeding apparatus 1 of the present invention includes a tray conveying line 10, a workpiece feeding mechanism 20, a first bin mechanism 30, a second bin mechanism 40, and a tray pick-and-place manipulator 50. The material tray conveying line 10 is used for conveying material trays 2, and the material tray conveying line 10 is respectively opposite to the material tray feeding position 4a, the workpiece feeding position 4b and the material tray discharging position 4c, so that the material trays 2 on the material tray feeding position 4a are gradually conveyed to the workpiece feeding position 4b and the material tray discharging position 4c under the driving of the material tray conveying line 10. The workpiece feed mechanism 20 is opposed to the workpiece feed level 4b so that the workpiece feed mechanism 20 places the workpieces 3 on the trays 2 conveyed to the workpiece feed level 4b by the tray conveyor line 10. The first magazine mechanism 30 is opposed to the tray feeding position 4a so that the first magazine mechanism 30 stacks the trays 2 conveyed to the tray feeding position 4a by the tray conveyor line 10 upward together with the workpieces 3. The second bin mechanism 40 is opposite to the material tray discharging position 4c, and the second bin mechanism 40 is used for stacking and storing the material tray 2 which is taken away from the workpiece 3 in the first bin mechanism 30, so that the second bin mechanism 40 places the material tray 2 downwards on the position where the material tray conveying line 10 is opposite to the material tray discharging position 4c, and the material tray is conveyed to the workpiece feeding position 4b continuously by the material tray conveying line 10. The tray taking and placing robot 50 is disposed right above the first bin mechanism 30 and the second bin mechanism 40, so that the tray taking and placing robot 50 transfers the tray 2, from which the workpiece 3 is taken, in the first bin mechanism 30 to the second bin mechanism 40. As above, the material tray 2 is sequentially switched among the first bin mechanism 30, the workpiece feeding level 10b and the second bin mechanism 40a in a circulating manner to continuously feed the workpiece 3, so that the material tray 2 has higher use efficiency and the workpiece 3 has higher feeding speed. More specifically, the following:

with reference to fig. 2, the first magazine mechanism 30 includes a first magazine rack 33 located directly above the tray conveyor line 10, a first separator 31 mounted on the first magazine rack 33, and a first lifting assembly 32 located directly below the tray conveyor line 10, the first lifting assembly 32 can perform telescopic movement in a vertical direction, so that the first lifting assembly 32 can lift up the tray 2 conveyed to the tray feeding position 4a by the tray conveyor line 10 together with the workpiece 3, and at the same time, the first separator 31 can perform telescopic movement in a horizontal direction, so that the first lifting assembly 32 can stack up the tray 2 conveyed to the tray feeding position 4a by the tray conveyor line 10 together with the workpiece 3 into the first magazine rack 33 in cooperation with the first separator 31, preferably, in fig. 2, the first magazine mechanism 30 further includes a first clamping positioner 34 located between the tray conveyor line 10 and the first separator 31, the first clamping positioner 34 can perform telescopic movement in a horizontal direction, so as to position the tray 2 lifted up from the tray conveyor line 32 to the first lifting assembly 32, thereby preventing the first lifting assembly from clamping positioner from performing a clamping and positioning action of the lifting assembly 32 on the tray 2 and the workpiece 3, and preventing the lifting assembly from being positioned in a situation that the lifting assembly does not perform a precise lifting action of lifting assembly, and the lifting assembly 32.

With reference to fig. 3, the second magazine mechanism 40 includes a second magazine frame 43 located directly above the tray conveyor line 10, a second separator 41 mounted on the second magazine frame 43, and a second lifting assembly 42 located directly below the tray conveyor line 10, the second magazine frame 43 is used for stacking and storing the trays 2 of the workpieces 3 taken away in the first magazine mechanism 30, the second lifting assembly 42 can perform telescopic movement in the vertical direction, the second separator 41 can perform telescopic movement in the horizontal direction, so that the second lifting assembly 42 can place the trays 2 in the second magazine frame 43 downward at a position where the tray conveyor line 10 is opposite to the tray discharge position 4c in cooperation with the second separator 41, preferably, in fig. 3, the second magazine mechanism 40 further includes a second clamping positioner 44 located between the tray conveyor line 10 and the second separator 41, the second clamping positioner 44 can perform telescopic movement in the horizontal direction, so as to clamp and position the trays 2 conveyed downward by the second lifting assembly 42, thereby ensuring that the trays 2 are smoothly placed on the second magazine frame 41, and the second clamping positioner 44 can certainly not perform precise positioning according to the situation that the tray conveyor line 42 does not perform clamping and the second lifting assembly does not perform precise positioning.

Referring to fig. 4 and 5, a workpiece discharging position 21a is disposed on the rack 4, the workpiece feeding mechanism 20 includes a workpiece conveying line 21 and a workpiece pick-and-place manipulator 22, the workpiece conveying line 21 conveys the workpiece 3 to the workpiece discharging position 21a, and the workpiece pick-and-place manipulator 22 is disposed right above the workpiece conveying line 21 and the tray conveying line 10, so that the workpiece pick-and-place manipulator 22 conveys the workpiece 3 conveyed from the workpiece conveying line 21 to the workpiece discharging position 21a to the tray 2 conveyed from the tray conveying line 10 to the workpiece loading position 4 b.

Referring to fig. 4, the workpiece feeding mechanism 20 further includes a tray lifting mechanism 23 and a clamping and positioning mechanism 24. The material tray lifting mechanism 23 is positioned under the material tray conveying line 10, and the material tray lifting mechanism 23 can also do telescopic motion in the vertical direction, so that the material tray lifting mechanism 23 can lift and convey the material tray on the workpiece loading position 4b upwards, and the material tray on the workpiece loading position 4b is separated from the material tray conveying line 10; meanwhile, the tray lifting mechanism 23 can also convey the tray 2 lifted by the tray lifting mechanism 23 downwards, so that the tray lifting mechanism 23 can place the tray 2 lifted by the tray lifting mechanism 23 on the tray conveying line 10. In addition, the tray clamping and positioning mechanism 24 is located between the tray conveying line 10 and the workpiece pick-and-place manipulator 22, and the tray clamping and positioning mechanism 24 can make telescopic motion in the horizontal direction, so that the tray clamping and positioning mechanism 24 can clamp and position the trays 2 lifted by the tray lifting mechanism 23.

Referring to fig. 5, the workpiece pick-and-place manipulator 22 includes a workpiece traversing assembly 221 and a workpiece pick-and-place assembly 222 mounted on the workpiece traversing assembly 221, the workpiece traversing assembly 221 can drive the workpiece pick-and-place assembly 222 to slide and switch between a position right above the workpiece discharging position 21a and a position right above the workpiece charging position 4b, and the workpiece pick-and-place assembly 222 can also perform a telescopic motion in a vertical direction, so that the workpiece pick-and-place assembly 222 can grab the workpiece 3 at the workpiece discharging position 21a and place the workpiece 3 on the tray 2 at the workpiece charging position 4b under the cooperation of the workpiece traversing assembly 221.

Referring to fig. 6 and 7, the tray taking and placing robot 50 includes a tray traversing assembly 51, a tray lifting assembly 52 assembled to the tray traversing assembly 51, and a tray taking and placing assembly 53 assembled to the tray lifting assembly 52, wherein the tray traversing assembly 51 can drive the tray lifting assembly 52 and the tray taking and placing assembly 53 to slide, so that the tray lifting assembly 52 and the tray taking and placing assembly 53 can be switched between the position right above the first bin mechanism 30 and the position right above the second bin mechanism 40, and meanwhile, the tray lifting assembly 52 can drive the tray taking and placing assembly 53 to move vertically, and the tray taking and placing assembly 53 can also move horizontally and telescopically, so that the tray taking and placing assembly 53 can grab the tray 2, which is taken away from the workpiece 3 in the first bin mechanism 30, under the cooperation of the tray traversing assembly 51 and the tray lifting assembly 52 and transfer the tray 2 to the second bin mechanism 40.

Compared with the prior art, the workpiece feeding device 1 is assembled on the rack 4, and the rack is provided with the tray feeding position 4a, the workpiece feeding position 4b and the tray discharging position 4c, and the workpiece feeding device 1 comprises the tray conveying line 10, the workpiece feeding mechanism 20, the first bin mechanism 30, the second bin mechanism 40 and the tray taking and placing manipulator 50. The material tray conveying line 10 is used for conveying the material trays 2, and the material tray conveying line 10 is respectively opposite to the material tray feeding position 4a, the workpiece feeding position 4b and the material tray discharging position 4 c; the workpiece feeding mechanism 20 is opposite to the workpiece feeding position 4b, and the workpiece feeding mechanism 20 is used for placing the workpiece 3 on the tray 2 conveyed to the workpiece feeding position 4b by the tray conveying line 10; the first bin mechanism 30 is opposite to the material tray feeding position 4a, and the first bin mechanism 30 is used for upwards stacking the material trays 2 conveyed to the material tray feeding position 4a by the material tray conveying line 10 together with the workpieces 3; the second bin mechanism 40 is opposite to the material tray discharging position 4a, the second bin mechanism 40 is used for stacking and storing the material trays 2 which are taken away from the workpieces 3 in the first bin mechanism 30, the second bin mechanism 40 also places the material trays 2 downwards on the position where the material tray conveying line 10 is opposite to the material tray discharging position 4c, and the material trays 2 are continuously conveyed to the workpiece feeding position 4b by the material tray conveying line 10; the tray taking and placing mechanical arm 50 is arranged right above the first bin mechanism 30 and the second bin mechanism 40, and the tray taking and placing mechanical arm 50 is used for transferring the tray 2, in which the workpiece 3 is taken, in the first bin mechanism 30 to the second bin mechanism 40, so that the tray 2 of the workpiece feeding device 1 is higher in use efficiency and the workpiece 3 (battery) is higher in feeding speed.

While the invention has been described with reference to what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. The utility model provides a work piece charging equipment assembles in a frame, be equipped with charging tray material feeding level, work piece material feeding level and charging tray material discharging level in the frame, its characterized in that, work piece charging equipment includes:

the material tray conveying line is used for conveying material trays and is respectively opposite to the material feeding position of the material trays, the material loading position of workpieces and the material discharging position of the material trays;

the workpiece feeding mechanism is opposite to the workpiece feeding position and is used for placing workpieces on a material tray conveyed to the workpiece feeding position by the material tray conveying line;

the first bin mechanism is opposite to the material tray feeding position and is used for upwards stacking the material trays conveyed to the material tray feeding position by the material tray conveying line together with workpieces;

the second storage bin mechanism is used for stacking and storing the material tray which is taken away from the workpiece in the first storage bin mechanism, the second storage bin mechanism also places the material tray downwards on the position, opposite to the material tray discharging position, of the material tray conveying line, and the material tray is conveyed to the material loading position of the workpiece continuously by the material tray conveying line; and

and the material tray taking and placing mechanical arm is arranged right above the first bin mechanism and the second bin mechanism and is used for transferring the material tray which is taken away from the workpiece in the first bin mechanism to the second bin mechanism.

2. The workpiece loading device according to claim 1, wherein the first bin mechanism includes a first bin rack located directly above the tray conveying line, a first separator installed on the first bin rack, and a first lifting assembly located directly below the tray conveying line, the first lifting assembly can perform telescopic movement in a vertical direction to lift up the tray conveyed to the tray feeding position by the tray conveying line together with the workpiece, the first separator can perform telescopic movement in a horizontal direction, and the first lifting assembly is matched with the first separator to stack up the tray conveyed to the tray feeding position by the tray conveying line together with the workpiece into the first bin rack.

3. The workpiece loading apparatus according to claim 2, wherein the first magazine mechanism further comprises a first clamping positioner located between the tray conveyor line and the first separator, and the first clamping positioner can perform telescopic movement in a horizontal direction to clamp and position the tray lifted up by the first lifting assembly together with the workpiece.

4. The workpiece loading device according to claim 1, wherein the second bin mechanism includes a second bin rack located directly above the tray conveying line, a second separator installed on the second bin rack, and a second lifting assembly located directly below the tray conveying line, the second bin rack is used for stacking and storing the trays taken away from the workpiece in the first bin mechanism, the second lifting assembly can perform telescopic movement in a vertical direction, the second separator can perform telescopic movement in a horizontal direction, and the second lifting assembly places the trays in the second bin rack downward on a position, opposite to the tray discharging position, of the tray conveying line under the cooperation of the second separator.

5. The workpiece loading apparatus according to claim 4, wherein the second magazine mechanism further comprises a second holding positioner located between the tray conveyor line and the second separator, the second holding positioner being capable of performing telescopic movement in a horizontal direction to hold and position the tray conveyed downward by the second lifting assembly.

6. The workpiece loading device according to claim 5, wherein a workpiece discharging position is arranged on the rack, the workpiece loading mechanism comprises a workpiece conveying line and a workpiece taking and placing manipulator, the workpiece conveying line conveys workpieces to the workpiece discharging position, the workpiece taking and placing manipulator is arranged right above the workpiece conveying line and the tray conveying line, and the workpiece taking and placing manipulator is used for conveying the workpieces conveyed to the workpiece discharging position by the workpiece conveying line to a tray conveyed to the workpiece loading position by the tray conveying line.

7. The workpiece loading device according to claim 6, wherein the workpiece loading mechanism further comprises a tray lifting mechanism located directly below the tray conveying line, the tray lifting mechanism can make telescopic movement in a vertical direction, the tray lifting mechanism can lift and convey the tray on the workpiece loading position upwards to separate the tray on the workpiece loading position from the tray conveying line, and the tray lifting mechanism can also convey the tray lifted by the tray lifting mechanism downwards to place the tray lifted by the tray lifting mechanism on the tray conveying line.

8. The workpiece feeding apparatus according to claim 6, wherein the workpiece feeding mechanism further comprises a tray clamping and positioning mechanism located between the tray conveying line and the workpiece pick-and-place manipulator, and the tray clamping and positioning mechanism can perform telescopic movement in a horizontal direction to clamp and position the tray lifted by the tray lifting mechanism.

9. The workpiece loading device according to claim 6, wherein the workpiece picking and placing manipulator comprises a workpiece traversing assembly and a workpiece picking and placing assembly mounted on the workpiece traversing assembly, the workpiece traversing assembly can drive the workpiece picking and placing assembly to slide and switch between a position right above the workpiece discharging position and a position right above the workpiece loading position, and the workpiece picking and placing assembly can also perform telescopic motion in a vertical direction, so that the workpiece picking and placing assembly can pick the workpiece at the workpiece discharging position and place the workpiece on a tray at the workpiece loading position under the cooperation of the workpiece traversing assembly.

10. The workpiece loading device according to claim 1, wherein the tray taking and placing manipulator comprises a tray traversing assembly, a tray lifting assembly assembled to the tray traversing assembly, and a tray taking and placing assembly assembled to the tray lifting assembly, wherein the tray traversing assembly can drive the tray lifting assembly and the tray taking and placing assembly to slide and switch between a position right above the first bin mechanism and a position right above the second bin mechanism, the tray lifting assembly can drive the tray taking and placing assembly to vertically lift, and the tray taking and placing assembly can also horizontally stretch so that the tray taking and placing assembly can grasp a tray, from which a workpiece is taken, in the first bin mechanism and transfer the tray to the second bin mechanism in cooperation with the tray traversing assembly and the tray lifting assembly.