CN213857597U - Inner container laser cutting equipment - Google Patents

Inner container laser cutting equipment Download PDF

Info

Publication number
CN213857597U
CN213857597U CN202022084766.6U CN202022084766U CN213857597U CN 213857597 U CN213857597 U CN 213857597U CN 202022084766 U CN202022084766 U CN 202022084766U CN 213857597 U CN213857597 U CN 213857597U
Authority
CN
China
Prior art keywords
axis linear
laser cutting
linear module
axis
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022084766.6U
Other languages
Chinese (zh)
Inventor
路兴堂
赵成波
董勇
梁孝峰
张吉全
娄晓强
郭鸣春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinan Xinjierui Electrical Co ltd
Original Assignee
Jinan Xinjierui Electrical Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jinan Xinjierui Electrical Co ltd filed Critical Jinan Xinjierui Electrical Co ltd
Priority to CN202022084766.6U priority Critical patent/CN213857597U/en
Application granted granted Critical
Publication of CN213857597U publication Critical patent/CN213857597U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Making Paper Articles (AREA)

Abstract

The utility model relates to a full-automatic inner bag laser cutting equipment, including CO2The laser cutting machine further comprises a liner positioning mechanism, the liner positioning mechanism comprises a support frame, an X-axis linear module is installed on the support frame, two Y-axis linear modules are arranged below the X-axis linear module, the X-axis linear module is provided with double sliding blocks, the double sliding blocks slide on the lower bottom surface of the X-axis linear module, and each sliding block is fixed to the upper surface of one Y-axis linear module; each Y-axis linear module is also provided with two sliding blocks and is doubleThe sliders all slide on the lower bottom surface of the Y-axis linear module, each slider is fixed with a supporting vertical plate, and the upper end of each supporting vertical plate is connected with a detachable profiling pushing roller through a quick-change connector. The utility model discloses can replace stamping equipment and cut-out press, adopt CO2The laser cutting utilizes the positioning mechanism to adjust and position, so that the production efficiency of the liner is improved, and the updating cost of the product is reduced.

Description

Inner container laser cutting equipment
Technical Field
The utility model relates to an inner bag processing technology field, concretely relates to inner bag laser cutting equipment.
Background
In recent years, various different structural members are often installed inside a refrigerator body to enrich the functions and characteristics of the refrigerator, so that various installation holes need to be designed on an inner container of the refrigerator.
Because of the refrigerator inner bag can't produce the mounting hole at vacuum plastic uptake in-process, in order to guarantee the position and the dimensional accuracy of mounting hole, need reuse mould or specific punching device to process each hole after the inner bag plastic uptake, current traditional mould overall arrangement is unreasonable, and positioning efficiency is low to every kind of inner bag corresponds one set of die, and the input is big, trade and produce slowly, restricts refrigerator inner bag production efficiency, has improved the cost that the product was updated and is renewed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a inner bag laser cutting equipment, its positioning mechanism can adjust the location according to the inner bag size, has improved the not suitability of unidimensional inner bag of equipment processing, compares in traditional mould stamping process, and the input is little, trade and produce soon, promotes refrigerator inner bag production efficiency, has reduced the cost that the product is updated and is renewed.
The utility model discloses a realize through following technical scheme:
provides a liner laser cutting device, which comprises CO2The laser cutting machine also comprises a laser cutting machine and CO2The laser cutting machine matched inner container positioning mechanism comprises a support frameThe X-axis linear module is arranged on the support frame, two Y-axis linear modules are arranged below the X-axis linear module, the X-axis linear module is provided with double sliders, the double sliders are arranged on the lower bottom surface of the X-axis linear module in a sliding manner, and each slider is fixed with the upper surface of one Y-axis linear module through a mounting plate; every Y axis nature module also is equipped with two sliders, and two sliders all slide and set up the lower bottom surface at Y axis nature module, and every slider all is fixed with the support riser that stretches out X axis nature module top on the Y axis nature module, and the upper end of supporting the riser is connected with detachable profile modeling through quick change coupler and pushes away the running roller.
This scheme cooperates through setting up X axis nature module and Y axis nature module, can realize that the profile modeling pushes away the position adjustment that pushes away the running roller and carries out the four corners location to the product, is applicable to not unidimensional inner bag processing, and the slider setting can prevent that the waste material that produces from dropping in the inner bag course of working and then influencing the steady operation of slider in the linear module, further improves the stability of linear module work.
Furthermore, the support frame is fixed with and is located the hopper that connects of Y axis nature module below, and the support frame is provided with at the bottom opening part that connects the hopper and connects the material conveyer belt.
The cut solid waste falls onto the belt line through a receiving hopper below and is discharged by the belt line.
Furthermore, one side of the receiving hopper is provided with a dust suction port and is connected with a dust suction mechanism through an air pipe.
The air pipe is connected to the dust collection mechanism, and clean air is discharged after peculiar smell and other micro particles generated by cutting are treated.
Further, be provided with truss robot hand directly over positioning mechanism, truss robot hand's Z axle subassembly has the inner bag adsorption device who can be used to material loading and unloading through leg joint, inner bag adsorption device is including connecting the rectangle mounting panel on the support, the lower surface array of rectangle mounting panel is equipped with a plurality of straw, the sucking disc is connected to the lower extreme of straw, the periphery of rectangle mounting panel is provided with four movable rods that correspond parallel respectively with rectangle mounting panel four sides, four movable rods enclose establish form with the rectangle mounting panel including and each other not the rectangle frame that connects, be equipped with a plurality of movable suction cup along the length direction equipartition on every movable rod, every movable rod all with the rectangle mounting panel between all through adjusting pole and adjusting nut swing joint, fixed suction cup and movable suction cup all are connected with vacuum generator through the gas circuit.
The truss robot hand can utilize inner bag adsorption device to realize material loading and unloading function to the station adjustment of work piece on X, Y, Z triaxial coordinate system basis, sets up the movable rod in the periphery of rectangle mounting panel among the inner bag adsorption device, constitutes the size of rectangle frame through adjusting the adjustable movable rod of pole, and then can adjust according to the actual dimension of processing inner bag, satisfies different processing demands, trades and produces soon.
Furthermore, a suction pipe with external threads is connected to the movable rod through a fixed seat, the suction pipe penetrates through the lower end of the fixed seat and is connected with a movable sucker, and the suction pipe is in threaded connection with adjusting nuts respectively above and below the fixed seat.
The position of the movable sucker can be adjusted through the position between the sucker and the fixing seat, and the requirement of the movable sucker on adsorption transfer of inner containers with different sizes is met by means of two adjusting nuts and threaded matching.
Further, CO2The laser cutting machine is arranged on a manipulator controlled by the controller, and the manipulator is also provided with an industrial camera which can be used for correcting the cutting action of the laser cutting machine.
The industrial camera can identify the hole information according to a sample piece punched with a die to generate a code which can be identified by a mechanical arm, the mechanical arm is controlled by a controller to execute the action of the mechanical arm according to the code, and 3D analysis software is operated in the controller to produce the identification code of the mechanical arm, namely the identification code of the mechanical arm can be generated by the information in a digital model, including the external dimensions of an inner container such as length, width and height, the point position coordinate XYZ value and angle of the plane where each hole to be processed is located relative to the center of the 3D digital model, the point position coordinate XYZ value of each generation of processing cavities relative to the center of the 3D digital model and the like, namely the contour track of the three-dimensional hole is generated into the code which can be identified by the mechanical arm, the controller controls the mechanical arm to drive a cutting device to complete cutting through analyzing the coordinates, and can shoot and cut the hole through the industrial camera to automatically compare, check and correct the analyzed hole.
The utility model has the advantages that:
the equipment can replace various stamping equipment and specific punching dies, five faces of the inner container can be processed as long as product digifax is provided, special punching dies are not required to be input, compatible production of products such as refrigerator inner containers is achieved, the occupied area of the dies and the die input are reduced, the production change beat is improved, flexible production is achieved, the number of workers is reduced, the efficiency is improved, and the production automation is improved.
Cooperate through setting up X axis nature module and Y axis nature module, can realize that the profile modeling pushes away the position adjustment that pushes away the running roller and carry out the four corners location to the product, be applicable to not unidimensional inner bag processing, the slider setting is in the bottom surface of linear module, can prevent that the waste material that produces from dropping in the inner bag course of working and then influencing the steady operation of slider in the linear module, further improves the stability of linear module work.
The equipment adopts CO2In the laser cutting process, a cutting head is driven by a six-axis robot, two cutting heads (robots) form a work station, and each cutting head is responsible for 3 surfaces to complete cutting and processing of each process hole on 5 surfaces of an inner container. Or a work station can be formed by four cutting heads (robots), each cutting head is responsible for 1-2 surfaces, and the cutting and processing of each process hole on 5 surfaces of the inner container are completed. One, two or more work stations can be butted with the liner vacuum adsorption forming machine through a belt line to form an automatic production line.
Drawings
FIG. 1 is a schematic diagram of the positioning mechanism of the inner container of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a perspective view of FIG. 1;
FIG. 4 is a schematic view of the mounting structure of the positioning mechanism and the supporting frame of the inner container of the present invention;
FIG. 5 is a schematic structural view of the inner container adsorption mechanism of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic diagram of the present invention using a workstation;
fig. 8 is a schematic structural diagram of the present invention using two workstations in cooperation.
Shown in the figure:
1. x-axis linear module, 2, a bottom plate, 3, a vertical plate, 4, a fixed plate, 5, Y-axis linear module, 6, a first slider, 7, a mounting plate, 8, a second slider, 9, a supporting vertical plate, 10, a profiling pushing roller, 11, a quick-change connector, 12, a servo motor, 13, a supporting frame, 14, a receiving hopper, 15, an opening, 16, an air pipe, 17, a support, 18, a movable rod, 19, a rectangular mounting plate, 20, an adjusting rod, 21, a movable sucker, 22, a fixed sucker, 23, a Z-axis assembly, 24, a fixed seat, 25, an adjusting nut, 26, a sucker, 27, a liner adsorption mechanism, 28, CO shaft assembly, 25, an adjusting nut, 262The device comprises a laser cutting machine 29, an inner container 30, a feeding conveying mechanism 31, an air pipe 32 and a dust suction mechanism.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
A laser cutting apparatus for inner container is composed of CO2Laser cutter 28, CO2The laser cutting machine is arranged on a manipulator controlled by the controller, and the manipulator is also provided with an industrial camera which can be used for correcting the cutting action of the laser cutting machine.
Also comprises a catalyst with CO2The laser cutting machine 28 complex inner bag positioning mechanism, the cutting host computer of this equipment can cooperate production to increase and decrease according to actual need, can set up two sets, is located cutting location frock both sides respectively, chooses for use the six axis robot of ABB arm exhibition 1.65m to drive the motion of leaded light arm cutting system, and two sets of cutting host computers cover 5 machined surfaces of inner bag product completely. The robot base is integrally welded by adopting a carbon steel plate and a square tube, and is fixed by a chemical anchor bolt after the position is determined.
The liner positioning mechanism comprises a support frame 13, an X-axis linear module 1 is mounted on the support frame 13, a bottom plate 2 is arranged on the support frame, a vertical plate 3 is mounted on the bottom plate 2, the vertical plate 3 is connected with the X-axis linear module 1 through a fixing plate 4, two Y-axis linear modules 5 are arranged below the X-axis linear module 1, the X-axis linear module 1 is provided with a double-slider I6, the double-slider I6 is arranged on the lower bottom surface of the X-axis linear module 1 in a sliding manner, and each slider I6 is fixed with the upper surface of one Y-axis linear module 5 through a mounting plate 7; every Y axis nature module 5 is equipped with two 8 of double slide blocks, and two 8 of double slide blocks all slide and set up the lower bottom surface at Y axis nature module 5, and every two 8 of slide blocks all are fixed with the support riser 9 that stretches out X axis nature module 1 top on the Y axis nature module 5, and the upper end of support riser 9 is connected with detachable profile modeling through quick-change coupler 11 and pushes away running roller 10.
Wherein: the X-axis linear module 1 and the Y-axis linear module 5 are products in the prior art and comprise a servo motor 12, a lead screw, a slide rail, a slide block connected with the lead screw in a threaded manner and the like.
In actual production, according to actual requirements, the liner positioning mechanism is provided with a set of 1800 × 600 positioning tools and a set of 1000 × 810 positioning tools, so that quick replacement is convenient to realize.
The X-axis linear module 1 and the Y-axis linear module 2 are both provided with moving parts facing downwards, so that the situation that cut particles enter the moving parts to influence the operation of the sliding block is avoided. A material receiving hopper 14 positioned below the Y-axis linear module 2 is fixed on the support frame 13, a material receiving conveyor belt is arranged at the bottom opening 15 of the material receiving hopper 14 on the support frame 13, and a dust suction opening is formed in one side of the material receiving hopper 14 and is connected with a dust suction mechanism 32 through an air pipe 16.
Be provided with truss robot 26 directly over inner bag positioning mechanism, truss robot 26's Z axle subassembly 23 has the inner bag adsorption device 27 that can be used to material loading and unloading through support 17 connection, inner bag adsorption device 27 is including connecting the rectangle mounting panel 19 on support 17, a plurality of straw has been laid to rectangle mounting panel 19's lower surface array, the sucking disc is connected to the lower extreme of straw, rectangle mounting panel 19's periphery is provided with four movable rods 18 that correspond the parallel respectively with rectangle mounting panel 19 four sides, four movable rods 18 enclose to establish and form the rectangle frame that just each other do not connect including enclosing rectangle mounting panel 19, it is equipped with a plurality of movable suction cup 21 to follow the length direction equipartition on every movable rod 18, all through adjusting pole 20 and adjusting nut swing joint between every movable rod 18 and the rectangle mounting panel 19, fixed suction cup 22 and movable suction cup 21 all are connected with vacuum generator through the gas circuit.
A suction pipe 26 with external threads is connected to the movable rod 18 through a fixed seat 24, the suction pipe 26 penetrates through the lower end of the fixed seat 24 and is connected with the movable suction cup 21, and the suction pipe 26 is respectively in threaded connection with an adjusting nut 25 above and below the fixed seat 24.
In order to facilitate streamlined production, the equipment is also provided with two sets of inner container feeding and discharging belt lines, wherein each set of feeding and discharging belt lines is 4m long and is respectively positioned at two sides of the inner container positioning mechanism and used for conveying products. The centering device is arranged on the inlet side, and the product is held after being conveyed to the material taking position, so that the product is convenient to absorb and carry. The belt is a gray felt belt, so that the belt is tough and durable, the surface of the belt is subjected to suede treatment, the inner container is prevented from being scratched, and the belt line is driven by a speed reducing motor and is subjected to variable-frequency speed regulation. The equipment can be arranged in a sealed enclosure, and an observation window, an exhaust system, an air filtration system and a smoke alarm are arranged in the sealed enclosure. The main body of the sealed enclosure is composed of aluminum alloy, acrylic and the like.
The working process of the inner container laser cutting equipment in the embodiment is as follows:
carry the inner bag adsorption apparatus to the inner bag through material loading conveying mechanism with processing, the size of inner bag adsorption apparatus sets up in advance according to the inner bag size of treating processing, carry out size adjustment to the rectangle frame through the position of four movable rods 18 of 19 peripheries of adjustment rectangle mounting panel, make it can match with the inner bag size, be convenient for adsorb the inner bag, still can be according to the inside local position of inner bag, adjust through nut 25 about straw 26, adjust the height of the movable suction cup 21 that corresponds, satisfy the absorption requirement to the inner bag, inner bag adsorption apparatus 27 passes through truss machine hand 26 adjustment position.
The truss robot 26 drives the adsorption mechanism 27 to move downwards to adsorb the workpiece, if the cutting station has no workpiece, the truss robot moves to the cutting station, and the adsorption mechanism moves downwards to place the liner on the positioning mechanism; if there is a workpiece at the cutting station, the workpiece is moved to a standby position, etc., and when there is no workpiece at the cutting station, the workpiece is moved to the cutting station, and the adsorption mechanism 27 descends to place the workpieceWhen the inner container 29 is sucked, the truss robot 26 drives the sucked inner container 29 to ascend through the Z shaft assembly 23 and horizontally move to the position right above the positioning mechanism through the X shaft assembly thereof, then the vacuum generator stops working, the fixed sucker 22 and the movable sucker 21 lose the suction force, the liner 29 falls to the positioning mechanism, and at the moment, by adjusting the positions of the sliding blocks in the X-axis linear module 1 and the Y-axis linear module 5, and then the positions of the four second sliding blocks on the two Y-axis linear modules 5 are adjusted, the profiling pushing rollers 10 connected with the second sliding blocks through the supporting vertical plates 9 can support the four corners of the inner container 29, the position of the inner container 29 is positioned, and the CO is started at the moment.2The laser cutting machine 28, utilize the cutting head to carry on the cutting operation to the inner bag according to the design requirement, the waste material produced by cutting is collected through the receiving hopper 14 and is discharged through the receiving conveyer belt that the opening 15 department sets up below, one side of receiving hopper 14 offers the dust absorption mouth, and connect the dust absorption mechanism 32 through the tuber pipe 16, utilize the dust absorption mechanism 32 to absorb the peculiar smell that produces the processing and discharge, the inner bag 29 that finishes cutting, through the X axis linear module 1 and Y axis linear module 5 of the reverse operation positioning mechanism, make the inner bag 29 not restricted by the positioning mechanism, utilize truss robot 26 to adjust the position of the adsorption mechanism 27 again at this moment, utilize the vacuum generator that starts the adsorption mechanism 27, through the adsorption of fixed suction cup 22 and movable suction cup 21 lift up the inner bag 29 that finishes processing and transport to the blanking conveying mechanism, then stop the vacuum generator, after each suction cup loses the adsorption power, the inner container 29 falls to the blanking conveying mechanism to finish blanking conveying.
Of course, two cutting heads can be adopted in the device to form a work station, each cutting head is responsible for 3 faces, and cutting and processing of each process hole on 5 faces of the inner container are completed. Or a working station can be formed by four cutting heads, each cutting head is responsible for 1-2 surfaces to complete the cutting and processing of each fabrication hole on 5 surfaces of the inner container. One, two or more workstations can form an automatic assembly line by butting the vacuum adsorption forming machine of the inner container through a belt line, the two or more workstations can improve the production change beat, flexible production is realized, the number of workers is reduced, the efficiency is improved, and the production automation is improved.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims (6)

1. A laser cutting apparatus for inner container is composed of CO2Laser cutting machine, its characterized in that: also comprises a catalyst with CO2The inner container positioning mechanism comprises a support frame, an X-axis linear module is mounted on the support frame, two Y-axis linear modules are arranged below the X-axis linear module, double sliders are arranged on the X-axis linear module and are arranged on the lower bottom surface of the X-axis linear module in a sliding manner, and each slider is fixed to the upper surface of one Y-axis linear module through a mounting plate; every Y axis nature module also is equipped with two sliders, and two sliders all slide and set up the lower bottom surface at Y axis nature module, and every slider all is fixed with the support riser that stretches out X axis nature module top on the Y axis nature module, and the upper end of supporting the riser is connected with detachable profile modeling through quick change coupler and pushes away the running roller.
2. The liner laser cutting device of claim 1, wherein: the support frame is fixed with and is located the hopper that connects of Y axis nature module below, and the support frame is provided with at the bottom opening part that connects the hopper and connects the material conveyer belt.
3. The liner laser cutting device of claim 2, wherein: one side of the receiving hopper is provided with a dust suction port and is connected with a dust suction mechanism through an air pipe.
4. The liner laser cutting device of claim 1, wherein: be provided with truss robot directly over positioning mechanism, truss robot's Z axle subassembly has the inner bag adsorption equipment who can be used to material loading and unloading through the leg joint, inner bag adsorption equipment is including connecting the rectangle mounting panel on the support, the lower surface array of rectangle mounting panel is equipped with a plurality of straw, the sucking disc is connected to the lower extreme of straw, the periphery of rectangle mounting panel is provided with four movable rods that correspond parallel respectively with rectangle mounting panel four sides, four movable rods enclose establish form with the rectangle mounting panel including and each other not the rectangle frame that connects, be equipped with a plurality of movable sucker along the length direction equipartition on every movable rod, every movable rod all with the rectangle mounting panel between all through adjusting pole and adjusting nut swing joint, fixed sucker and movable sucker all are connected with vacuum generator through the gas circuit.
5. The liner laser cutting device of claim 4, wherein: the movable rod is connected with a suction pipe with external threads through a fixed seat, the suction pipe penetrates through the lower end of the fixed seat and is connected with a movable sucker, and the suction pipe is respectively in threaded connection with an adjusting nut above and below the fixed seat.
6. The liner laser cutting device of claim 1, wherein: CO 22The laser cutting machine is arranged on a manipulator controlled by the controller, and the manipulator is also provided with an industrial camera which can be used for correcting the cutting action of the laser cutting machine.
CN202022084766.6U 2020-09-22 2020-09-22 Inner container laser cutting equipment Active CN213857597U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022084766.6U CN213857597U (en) 2020-09-22 2020-09-22 Inner container laser cutting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022084766.6U CN213857597U (en) 2020-09-22 2020-09-22 Inner container laser cutting equipment

Publications (1)

Publication Number Publication Date
CN213857597U true CN213857597U (en) 2021-08-03

Family

ID=77049266

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022084766.6U Active CN213857597U (en) 2020-09-22 2020-09-22 Inner container laser cutting equipment

Country Status (1)

Country Link
CN (1) CN213857597U (en)

Similar Documents

Publication Publication Date Title
CN102699221B (en) Loading and unloading manipulator
CN210937684U (en) Automatic go up unloading laser cutting equipment
CN210334788U (en) Laser cutting equipment
CN105415069A (en) Automatic loading and unloading system of pipe connecting pieces
CN107986026A (en) A kind of full-automatic mechanical hand equipment
CN108581230A (en) A kind of laser processing Quick Response Code cutting on line mark detection automated package production line
CN105935793A (en) Engraving and milling machine and control method thereof
CN115229020A (en) Automatic end socket cutting and stamping workstation
CN108750235A (en) It laser machines Quick Response Code cutting on line mark and detects automated package production method
CN112405766A (en) Full-automatic woodworking drilling and riveting system and working mode thereof
CN210125810U (en) Laser cutting work platform
CN112222611A (en) Inner container laser cutting equipment
CN110744314A (en) Full-automatic production line for drilling, tapping and chamfering detection of supporting plate nut
CN213857597U (en) Inner container laser cutting equipment
CN220297097U (en) Dull and stereotyped class feed composite robot device
CN113664385A (en) Plate code spraying and cutting device and method
CN210691815U (en) Intelligent control application system training platform
CN217394069U (en) Material loading device and full-automatic laser processing equipment
CN114160617A (en) Automatic bending system for identifying characteristics of CAD (computer-aided design) and PDF (portable document format) files
CN211916070U (en) Laser cutting and punch combined machine tool
CN210452722U (en) High-precision multifunctional rectangular coordinate robot
CN113666105A (en) Online tracking automatic machining device and operation method thereof
CN210938090U (en) Full-automatic production line for drilling, tapping and chamfering detection of supporting plate nut
CN112198154A (en) Network transformer module detection and code disc system based on machine vision
CN213258374U (en) Numerical control machining center with automatic feeding and discharging function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant