CN113043513A

CN113043513A - Electronic product shell deburring equipment

Info

Publication number: CN113043513A
Application number: CN202110284797.2A
Authority: CN
Inventors: 王立军
Original assignee: Shenzhen City Posonwone Technology Co ltd
Current assignee: Shenzhen City Posonwone Technology Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-06-29

Abstract

The invention discloses electronic product shell deburring equipment which comprises a machine base, wherein a rotary table and a deburring device positioned on the peripheral side of the rotary table are arranged on the machine base, a plurality of fixing mechanisms which are arranged along the circumferential direction of the rotary table and used for fixing an electronic product shell are arranged on the rotary table, and the deburring device comprises a fixed frame, at least one high-pressure water spray head arranged on the fixed frame and a driving mechanism used for driving the fixed frame to move above the rotary table. The electronic product shell deburring device disclosed by the invention washes the electronic product shell in a high-pressure water spraying mode so as to remove burrs on the electronic product shell comprehensively without dead angles, the burrs are removed thoroughly, the surface of the electronic product shell cannot be damaged, the deburring effect is good, and the product quality can be improved.

Description

Electronic product shell deburring equipment

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to electronic product shell deburring equipment.

Background

At present, in order to improve the product quality, the shells of electronic products such as mobile phones, tablet computers and the like need to be deburred in the production and processing process.

In the prior art, burrs on a shell of an electronic product are generally removed manually by a brush or by a deburring machine with the brush, however, the situation of incomplete removal of the burrs in the inner edge area and at certain dead corners of the shell often occurs, the surface of the shell is easily damaged, the deburring effect is poor, and the product quality is influenced.

Disclosure of Invention

The invention mainly aims to provide electronic product shell deburring equipment, and aims to solve the technical problems that burrs are not thoroughly removed and the surface of an existing electronic product shell is easily damaged in a deburring mode adopted by the existing electronic product shell.

In order to achieve the purpose, the electronic product housing deburring equipment comprises a base, wherein a rotating disc and a deburring device located on the periphery of the rotating disc are arranged on the base, a plurality of fixing mechanisms which are arranged along the circumferential direction of the rotating disc and used for fixing an electronic product housing are arranged on the rotating disc, and each deburring device comprises a fixed frame, at least one high-pressure water spray head arranged on the fixed frame and a driving mechanism used for driving the fixed frame to move above the rotating disc.

Preferably, the deburring device further comprises a mounting frame arranged on the fixing frame and a rotating mechanism used for driving the mounting frame to rotate, and the high-pressure water spray head is positioned on the mounting frame.

Preferably, the rotating mechanism comprises a driving motor arranged on the fixed frame and a speed reducer connected with an output shaft of the driving motor, and the mounting frame is connected with an output shaft of the speed reducer.

Preferably, the driving mechanism comprises an X-axis driving module, an X-axis moving frame connected with an output execution end of the X-axis driving module, a Y-axis driving module arranged on the X-axis moving frame, a Y-axis moving frame connected with an output execution end of the Y-axis driving module, a Z-axis driving module arranged on the Y-axis moving frame, and a Z-axis moving frame connected with an output execution end of the Z-axis driving module, wherein the fixing frame is connected with the Z-axis moving frame.

Preferably, the high-pressure water nozzles are two arranged in parallel.

Preferably, the fixing mechanism comprises a placing frame for placing an electronic product shell, a plurality of clamping arms circumferentially arranged on the placing frame and used for clamping the electronic product shell, and a first driving assembly used for driving the plurality of clamping arms to open and close relatively.

Preferably, the bottom surface of the placing rack is provided with an accommodating cavity, and the first driving assembly comprises a push plate positioned in the accommodating cavity and a first driving piece for driving the push plate to move up and down;

the bottom surface of the placing frame is provided with a sliding groove which is arranged around the accommodating cavity and corresponds to the clamping arm, and the clamping arm comprises a sliding part in sliding fit with the sliding groove and a clamping part connected with the sliding part; the side of push pedal is equipped with the T-slot, the tank bottom in T-slot is the inclined plane setting, the sliding part stretches into the one end structure of holding intracavity has with T-slot forms sliding fit's T shape portion.

Preferably, the fixing mechanism further comprises a second driving assembly for driving the placing frame to rotate.

Preferably, the second drive assembly comprises a rotating shaft vertically penetrating through the rotary disc and a second driving piece used for driving the rotating shaft to rotate, and the placing frame is installed at the upper end of the rotating shaft.

Preferably, the deburring equipment for the electronic product shells further comprises a feeding and discharging device arranged on the peripheral side of the turntable, wherein the feeding and discharging device comprises a material tray for loading the electronic product shells, at least one conveying mechanism for conveying the material tray and a manipulator for taking and placing the electronic product shells.

Compared with the prior art, the technical scheme of the embodiment of the invention has the beneficial effects that:

the electronic product shell deburring equipment conveys an electronic product shell to a deburring device through a turntable, a high-pressure water spray head of the deburring device drives a fixed frame through a driving mechanism to reach the upper part of the electronic product shell and sprays high-pressure water flow to wash and deburr the electronic product shell, when the electronic product shell is deburred, the electronic product shell is conveyed away from the deburring device through the turntable, and the next electronic product shell is conveyed to the deburring device; this electronic product shell burring equipment adopts the mode that high pressure water jetted to erode the electronic product shell and gets rid of in order to realize that the comprehensive no dead angle of burr is got rid of on the electronic product shell, and the burr is got rid of thoroughly to can not cause the damage to electronic product shell surface, the burring effect is good, can promote product quality.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for deburring an electronic product housing according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a turntable and a fixing mechanism of the deburring device for the housing of the electronic product in FIG. 1;

FIG. 3 is a schematic structural diagram of a deburring device of the electronic product housing deburring apparatus in FIG. 1;

FIG. 4 is a schematic structural diagram of a part of the deburring device for the housing of the electronic product in FIG. 1;

FIG. 5 is a schematic structural diagram of a fixing mechanism and an electronic product housing of the electronic product housing deburring device in FIG. 1;

FIG. 6 is a schematic structural diagram of a fixing mechanism of the deburring device for housing of electronic product in FIG. 1 from a perspective;

FIG. 7 is an exploded view of a portion of the securing mechanism of FIG. 6;

fig. 8 is a schematic structural view of a loading and unloading device of the deburring device for the housing of the electronic product in fig. 1.

Detailed Description

In the following, the embodiments of the present invention will be described in detail with reference to the drawings in the following, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an electronic product housing deburring device, referring to fig. 1, the electronic product housing deburring device comprises a base 100, a turntable 200 and a deburring device 300 positioned on the periphery of the turntable 200 are arranged on the base 100, a plurality of fixing mechanisms 400 which are arranged along the circumferential direction of the turntable 200 and used for fixing an electronic product housing are arranged on the turntable 200, and the deburring device 300 comprises a fixed frame 310, at least one high-pressure water spray nozzle 320 arranged on the fixed frame 310 and a driving mechanism 330 used for driving the fixed frame 310 to move above the turntable 200.

Referring to fig. 1, the electronic product housing deburring device provided in this embodiment is used for deburring an electronic product housing, where the electronic product housing may be a housing of a plurality of electronic products such as a mobile phone and a tablet computer, the structural form of the housing may be a rectangular frame (i.e., a middle frame), and may also be an integrated back shell including the rectangular frame and a back plate, and the housing may be made of a plurality of materials such as plastic and metal, which is not limited thereto. The electronic product housing deburred by the electronic product housing deburring device mainly comprises a mobile phone middle frame.

Specifically, referring to fig. 1, the deburring apparatus for electronic product housings is mainly composed of a base 100, a turntable 200, and a deburring device 300, wherein the turntable 200 and the deburring device 300 are both disposed on the base 100. Referring to fig. 2, the turntable 200 is used for conveying electronic product housings, the electronic product housings are fixed on the turntable 200 by a fixing mechanism 400, and the fixing mechanism 400 is a plurality of electronic product housings arranged along the circumferential direction of the turntable 200 and can correspondingly fix the same number of electronic product housings. The fixing mechanism 400 may be a clamping fixture or other structures, and is set according to actual requirements. It is understood that the turntable 200 can sequentially convey the electronic product housings fixed by each fixing mechanism 400 to the deburring device 300 for deburring. Further, the turntable 200 is driven by a driving device to rotate, the structure type of the driving device can be various, in this embodiment, the driving device is a hollow rotating platform located below the turntable 200, and the hollow rotating platform has many advantages of high precision (rotation precision, positioning precision), high rigidity and the like, a motor of the hollow rotating platform is connected to the side of a turntable of the hollow rotating platform, and the turntable 200 is connected to the turntable of the hollow rotating platform.

Referring to fig. 1, the deburring device 300 is mainly composed of a fixed frame 310, a high pressure water spray 320 and a driving mechanism 330, the high pressure water spray 320 can move above the turntable 200 by the driving of the fixed frame 310 by the driving mechanism 330, and sprays high pressure water flow when reaching a preset position to flush and deburr the housing of the electronic product fixed on the turntable 200 by the fixing mechanism 400. The high-pressure water spray heads 320 are water knives, which are not limited to one, but can be multiple, and are reasonably selected and arranged according to actual requirements; and, a high pressure water pump may be correspondingly disposed on the base 100, the high pressure water pump is communicated with a water tank or a water path, and the high pressure water nozzle 320 is connected with the high pressure water pump through a water pipe, so as to deliver high pressure water flow to the high pressure water nozzle 320. In addition, the driving mechanism 330 may be of various types, such as an XYZ three-axis driving module, a multi-axis robot, etc., and the fixed frame 310 is connected to the end thereof and driven by the fixed frame to move in space.

In the technical solution of this embodiment, the electronic product housing deburring device conveys the electronic product housing to the deburring device 300 through the turntable 200, the high-pressure water nozzle 320 of the deburring device 300 drives the fixing frame 310 through the driving mechanism 330 to reach above the electronic product housing, and sprays high-pressure water flow to flush and deburr the electronic product housing, when the electronic product housing is deburred, the electronic product housing is conveyed away from the deburring device 300 through the turntable 200, and at the same time, the next electronic product housing is conveyed to the deburring device 300. In addition, the loading and unloading operation of the electronic product shell on the turntable 200 can be realized manually or by a manipulator, and the loading and unloading operation is selected according to the actual situation.

This electronic product shell burring equipment adopts the mode that high pressure water jetted to erode the electronic product shell and gets rid of in order to realize that the comprehensive no dead angle of burr is got rid of on the electronic product shell, compares with current electronic product shell burring mode, and its burr is got rid of thoroughly to can not cause the damage to electronic product shell surface, the burring effect is good, can promote product quality.

In a preferred embodiment, referring to fig. 3, the deburring device 300 further comprises a mounting bracket 340 disposed on the fixing bracket 310 and a rotating mechanism 350 for driving the mounting bracket 340 to rotate, and the high pressure water nozzle 320 is disposed on the mounting bracket 340. Specifically, the mounting bracket 340 is driven by the rotating mechanism 350 to rotate so as to drive the high-pressure water jet 320 to rotate by a plurality of angles, so that the high-pressure water jet 320 is changed from a vertical state to an inclined state, inclined jet of high-pressure water flow is realized, the inner side wall of the middle frame of the mobile phone is convenient to wash, and the deburring effect can be further improved compared with the high-pressure water jet 320 which only can vertically jet the high-pressure water flow downwards. The structure type of the related rotating mechanism 350 may be various, for example, the rotating mechanism 350 includes a rotating shaft disposed on the fixing frame 310, a motor, and a transmission assembly disposed between the rotating shaft and the motor, the mounting frame 340 is connected to the rotating shaft, and the rotating shaft is driven by the motor and transmitted by the transmission assembly to rotate, so as to drive the mounting frame 340 to rotate. Of course, the above-described specific structure of the rotation mechanism 350 is merely exemplary and not limiting.

Further, referring to fig. 3, the rotating mechanism 350 includes a driving motor 351 provided on the fixed frame 310 and a speed reducer 352 connected to an output shaft of the driving motor 351, and the mounting frame 340 is connected to an output shaft of the speed reducer 352. Specifically, the rotating mechanism 350 in this embodiment employs a driving motor 351 and a speed reducer 352, wherein the driving motor 351 and the speed reducer 352 are located at one side of the fixing frame 310, the speed reducer 352 is mounted on the fixing frame 310 and connected to an output shaft of the driving motor 351, and an output shaft of the speed reducer 352 horizontally penetrates through the other side of the fixing frame 310 and is connected to the mounting frame 340. The driving motor 351 is started and is decelerated by the speed reducer 352 to drive the mounting rack 340 to rotate, so that the spraying direction of the high-pressure water nozzle 320 is adjusted, the work is reliable, and the driving is stable.

In a preferred embodiment, referring to fig. 3, the driving mechanism 330 includes an X-axis driving module 331, an X-axis moving frame 332 connected to an output end of the X-axis driving module 331, a Y-axis driving module 333 disposed on the X-axis moving frame 332, a Y-axis moving frame 334 connected to an output end of the Y-axis driving module 333, a Z-axis driving module 335 disposed on the Y-axis moving frame 334, and a Z-axis moving frame 336 connected to an output end of the Z-axis driving module 335, wherein the fixing frame 310 is connected to the Z-axis moving frame 336. It is easy to understand that, by the driving of the driving mechanism 330 of the present embodiment to the fixed frame 310, the movement of the high pressure water nozzle 320 in three directions, i.e. the X-axis, the Y-axis and the Z-axis, can be realized, wherein the Z-axis moving frame 336 drives the fixed frame 310 to move along the Z-axis direction under the driving of the Z-axis driving module 335; the Y-axis moving frame 334 moves in the Y-axis direction under the driving of the Y-axis driving module 333, so that the fixed frame 310 moves in the Y-axis direction; the X-axis moving frame 332 is moved in the X-axis direction by the X-axis driving module 331, so that the fixed frame 310 is moved in the X-axis direction. Preferably, the X-axis driving module 331, the Y-axis driving module 333, and the Z-axis driving module 335 all adopt a combined driving structure of a motor, a lead screw, and a guide rail, and have the advantages of stable driving, high precision, and the like. In a specific installation, the X-axis moving frame 332, the Y-axis moving frame 334, and the Z-axis moving frame 336 are respectively and fixedly connected to the nut seats of the lead screws of the X-axis driving module 331, the Y-axis driving module 333, and the Z-axis driving module 335 and the slide blocks on the guide rails. In addition, in the embodiment, the driving mechanism 330 is a gantry type, and two support frames for mounting the X-axis driving module 331 are arranged in parallel, so that the structural stability and the operation stability can be improved.

In a preferred embodiment, referring to fig. 3, two high pressure water jets 320 are arranged in parallel. That is, when the turntable 200 conveys the electronic product shells to the deburring device 300, the two high-pressure water spray nozzles 320 of the deburring device 300 respectively wash the electronic product shells on the two fixing mechanisms 400 on the turntable 200 synchronously, so that the two electronic product shells can be deburred simultaneously, and compared with a single high-pressure water spray nozzle 320, the deburring device can increase the deburring number of the electronic product shells and improve the deburring efficiency. In this embodiment, four fixing mechanisms 400 are provided, and the four fixing mechanisms 400 are arranged two by two symmetrically.

In a preferred embodiment, referring to fig. 4 and 5, the fixing mechanism 400 includes a placing frame 410 for placing the electronic product casing, a plurality of clamping arms 420 arranged along the circumference of the placing frame 410 for clamping the electronic product casing, and a first driving assembly 430 for driving the plurality of clamping arms 420 to open and close relatively. Wherein, the electronic product shell is placed on the rack 410, and the rack 410 can include the supporting part 411 of four vertical settings, and four supporting parts 411 are the diagonal setting and support in order to support the four corners position of electronic product shell. The clamping arm 420 is used for clamping the electronic product housing on the placing frame 410 so as to fix the electronic product housing, and the deburring device 300 is matched to perform deburring operation on the electronic product housing. The number of the clamping arms 420 is four, and the clamping arms correspond to the positions of the supporting portions 411 of the placing frame 410, and clamping arc surfaces matched with the corners of the electronic product casing are arranged on the clamping arms 420. The four clamp arms 420 can be relatively opened and closed to release or clamp the housing of the electronic product on the rack 410 under the driving of the first driving assembly 430. Wherein, first drive assembly 430 can be for the cylinder that corresponds each centre gripping arm 420 horizontal setting, and centre gripping arm 420 is connected with the piston rod of cylinder to drive centre gripping arm 420 through the cylinder, a plurality of centre gripping arms 420 can be kept away from or move towards common central line, thereby realize the relative opening and shutting of a plurality of centre gripping arms 420. Of course, the above-mentioned structure of the first driving assembly 430 is only exemplary and not limiting.

Further, referring to fig. 6 and 7, a containing cavity is formed in the bottom surface of the placing frame 410, and the first driving assembly 430 includes a push plate 431 located in the containing cavity and a first driving member 432 for driving the push plate 431 to move up and down;

the bottom surface of the placing frame 410 is provided with a sliding groove which is arranged around the accommodating cavity and corresponds to the clamping arm 420, and the clamping arm 420 comprises a sliding part 421 in sliding fit with the sliding groove and a clamping part 422 connected with the sliding part 421; the side surface of the push plate 431 is provided with a T-shaped groove 431a, the bottom of the T-shaped groove 431a is arranged in an inclined way, and one end of the sliding part 421 extending into the accommodating cavity is provided with a T-shaped part 421a which forms sliding fit with the T-shaped groove 431 a.

In this embodiment, before the housing of the electronic product is placed on the placing frame 410, the first driving member 432 drives the push plate 431 to move downward, and the T-shaped portion 421a of the sliding portion 421 slides upward in the T-shaped groove 431a of the push plate 431, so that the sliding portion 421 slides in the sliding slot of the placing frame 410 and drives the clamping portion 422 of the clamping arm 420 to move outward and open. After the housing of the electronic product is placed on the placing rack 410, the first driving member 432 drives the push plate 431 to move upwards, and the T-shaped portion 421a of the sliding portion 421 slides downwards relatively in the T-shaped groove 431a of the push plate 431, so that the sliding portion 421 slides in the sliding slot of the placing rack 410 and drives the clamping portion 422 of the clamping arm 420 to move inwards and close. Preferably, the first driving member 432 is a cylinder. Further, can also set up the bar hole of arranging along its sliding direction on sliding portion 421 to set up on the tank bottom of spout and correspondingly set up the reference column in order to insert to the bar hole of sliding portion 421, in order to carry out the slip spacing to sliding portion 421, thereby prevent sliding portion 421 from following the spout roll-off.

In a preferred embodiment, referring to fig. 4, the fixing mechanism 400 further comprises a second driving assembly 440 for driving the placing frame 410 to rotate. It is easy to understand that, when the deburring device 300 deburs the electronic product housing on the placing frame 410, the placing frame 410 is rotationally driven by the second driving assembly 440, so that the electronic product housing on the placing frame 410 rotates, and the electronic product housing is washed everywhere in place by matching with the washing of the high-pressure water nozzle 320, thereby further improving the deburring effect.

Further, referring to fig. 4, the second driving assembly 440 includes a rotating shaft 441 vertically penetrating through the rotating disc 200 and a second driving member 442 for driving the rotating shaft 441 to rotate, and the placing frame 410 is installed at an upper end of the rotating shaft 441. In this embodiment, the rotating shaft 441 rotates to drive the placing frame 410 to rotate under the driving of the second driving member 442. Preferably, the second driving member 442 is a motor fixed below the turntable 200 and located at one side of the rotating shaft 441, an output shaft of the motor is connected to a speed reducer 352, an output shaft of the speed reducer 352 is arranged in parallel with the rotating shaft 441, and a gear engaged with the rotating shaft 441 is arranged between the output shaft and the rotating shaft to transmit the rotating shaft 441 through the gear.

In a preferred embodiment, referring to fig. 1 and 8, the apparatus for deburring an electronic product housing further comprises a loading and unloading device 500 disposed on the peripheral side of the turntable 200, wherein the loading and unloading device 500 comprises a tray 510 for loading the electronic product housing, at least one conveying mechanism 520 for conveying the tray 510, and a robot 530 for taking and placing the electronic product housing. Specifically, a plurality of bins for placing electronic product shells are arranged on the tray 510, the tray 510 loaded with the electronic product shells to be deburred is conveyed in by the conveying mechanism 520, the manipulator 530 sequentially grabs the electronic product shells to be deburred from the tray 510 onto the fixing mechanism 400 of the turntable 200 for loading operation, correspondingly, the manipulator 530 sequentially grabs the deburred electronic product shells from the fixing mechanism 400 of the turntable 200 onto the tray 510 for unloading operation, and the tray 510 loaded with the deburred electronic product shells is conveyed out by the conveying mechanism 520. Preferably, the two conveying mechanisms 520 are arranged up and down, and after the charging and discharging operations of the charging tray 510 conveyed by one conveying mechanism 520 are completed, the charging and discharging operations of the charging tray 510 conveyed by the other conveying mechanism 520 can be performed, so that the deburring efficiency is improved.

The manipulator 530 may be an XYZ three-axis driving module or a multi-axis manipulator 530, and a gripper cylinder may be disposed at the end to grip the electronic product housing. Preferably, the conveying mechanism 520 includes two parallel guide rails, an air cylinder and a conveying support plate, two sides of the conveying support plate are correspondingly connected with the slide blocks on the two guide rails, and a piston rod of the air cylinder is arranged in parallel with the guide rails and connected with the conveying support plate. Of course, the conveying mechanism 520 may have other configurations such as a conveyor belt, in addition to the above configuration. In addition, in actual operation, the tray 510 on the conveying mechanism 520 can be manually taken and placed.

The above description is only a part of or preferred embodiments of the present invention, and neither the text nor the drawings should be construed as limiting the scope of the present invention, and all equivalent structural changes, which are made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an electronic product shell burring equipment, its characterized in that, includes the frame, be equipped with the carousel on the frame and be located the burring device of carousel week side, be equipped with a plurality of fixed establishment of arranging, being used for fixed electronic product shell along its circumference on the carousel, the burring device includes that mount, at least one set up high pressure water shower nozzle on the mount and being used for the drive the mount is in the actuating mechanism that the carousel top removed.

2. The electronic product housing deburring device of claim 1, wherein said deburring means further comprises a mounting bracket provided on said mount and a rotating mechanism for driving said mounting bracket to rotate, said high pressure water jet being located on said mounting bracket.

3. The electronic product housing deburring apparatus of claim 2, wherein said rotating mechanism comprises a driving motor disposed on said mount and a speed reducer connected to an output shaft of said driving motor, said mount being connected to an output shaft of said speed reducer.

4. The electronic product housing deburring device of claim 1, 2 or 3, wherein said driving mechanism comprises an X-axis driving module, an X-axis moving frame connected with an output execution end of said X-axis driving module, a Y-axis driving module arranged on said X-axis moving frame, a Y-axis moving frame connected with an output execution end of said Y-axis driving module, a Z-axis driving module arranged on said Y-axis moving frame and a Z-axis moving frame connected with an output execution end of said Z-axis driving module, said fixed frame being connected with said Z-axis moving frame.

5. The electronic product housing de-burring apparatus of claim 1, wherein the high-pressure water jets are two arranged side by side.

6. The electronic product housing deburring device of claim 1, wherein said fixing mechanism comprises a placing rack for placing an electronic product housing, a plurality of clamping arms arranged circumferentially along said placing rack and used for clamping the electronic product housing, and a first driving assembly for driving the plurality of clamping arms to open and close relatively.

7. The electronic product housing deburring equipment of claim 6, wherein a containing cavity is arranged on the bottom surface of the placing rack, and the first driving assembly comprises a push plate positioned in the containing cavity and a first driving piece for driving the push plate to move up and down;

8. The electronic product housing de-burring apparatus of claim 6, wherein the securing mechanism further comprises a second drive assembly for driving the rack in rotation.

9. The electronic product housing deburring device of claim 8, wherein the second driving assembly comprises a rotating shaft vertically penetrating through the rotating disc and a second driving piece for driving the rotating shaft to rotate, and the placing frame is installed at the upper end of the rotating shaft.

10. The apparatus for deburring of shells of electronic products according to claim 1, further comprising a loading and unloading device disposed around said turntable, said loading and unloading device comprising a tray for loading shells of electronic products, at least one transport mechanism for transporting said tray, and a robot for picking and placing shells of electronic products.