CN114620469A - A loading attachment for panel exposure - Google Patents

A loading attachment for panel exposure Download PDF

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Publication number
CN114620469A
CN114620469A CN202210377533.6A CN202210377533A CN114620469A CN 114620469 A CN114620469 A CN 114620469A CN 202210377533 A CN202210377533 A CN 202210377533A CN 114620469 A CN114620469 A CN 114620469A
Authority
CN
China
Prior art keywords
plates
carrier
module
assembly
conveying
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.)
Pending
Application number
CN202210377533.6A
Other languages
Chinese (zh)
Inventor
刘劼
杨帆
胡辉来
任跃辉
孟庆浩
魏亚菲
李高飞
陈曦
曹葵康
温延培
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.)
Tztek Technology Co Ltd
Original Assignee
Tztek Technology 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 Tztek Technology Co Ltd filed Critical Tztek Technology Co Ltd
Priority to CN202210377533.6A priority Critical patent/CN114620469A/en
Publication of CN114620469A publication Critical patent/CN114620469A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • B65G47/914—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems incorporating rotary and rectilinear movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G59/00—De-stacking of articles
    • B65G59/02—De-stacking from the top of the stack
    • B65G59/04—De-stacking from the top of the stack by suction or magnetic devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
    • H05K3/061—Etching masks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0214—Articles of special size, shape or weigh
    • B65G2201/022—Flat

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

The invention provides a feeding device for plate exposure, which comprises a carrier, a conveying module and a carrying module, wherein the carrier is used for accommodating a plurality of plates and enabling the plates to present an inclination angle; the conveying module is used for conveying and feeding the plates; the carrying module is positioned above the conveying module and used for sequentially picking up and conveying the plates placed on the carrier to the conveying module so that the plates are fed under the conveying of the conveying module; the device enables a plurality of plates to be stacked on the carrier in an inclined angle, so that not only can a large batch of plates be stacked, but also the plates are prevented from being easily toppled; in addition, the carrying module is matched with the plate with a certain inclination angle for picking up, so that the feeding cost of the plate is reduced, and the feeding efficiency of the plate is improved.

Description

A loading attachment for panel exposure
Technical Field
The invention relates to the field of plate exposure, in particular to a feeding device for plate exposure.
Background
The exposure of the Board is one of the important processes for processing the Board, and for example, a Printed Circuit Board (PCB) is an important carrier for each electronic component.
In the prior art, a plurality of plates are generally stacked and loaded through automatic loading equipment, and when the plates are stacked to a certain height, the plates are easy to topple; if guarantee that highly difficult the taking place of panel pile up and empty, then can't realize the material loading in batches of panel, influence the material loading efficiency of panel.
Disclosure of Invention
In view of the above, the present invention provides a feeding device for exposing a sheet material, which can stack a large amount of sheet materials and prevent the sheet materials from easily toppling over by tilting the stacked sheet materials at a certain angle and then placing the sheet materials on a carrier, so as to solve the above technical problems.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to the feeding device for exposure of the plate, the feeding device comprises:
the carrier is used for accommodating a plurality of plates and enabling the plates to present an inclination angle;
the conveying module is used for conveying and feeding the plates;
and the carrying module is positioned above the conveying module and used for sequentially picking up and conveying the plates placed on the carrier to the conveying module so that the plates are fed under the conveying of the conveying module.
Preferably, the carrier includes a first carrying surface and a second carrying surface which are integrally formed, the first carrying surface and the second carrying surface form an accommodating groove for accommodating the plates, and the plates are stacked on the first carrying surface.
Preferably, the area of the first section is larger than the area of the plate.
Preferably, the angle between the first and second carrier surfaces is obtuse.
Preferably, the angle between the first and second carrier surfaces ranges from more than 90 ° to less than 120 °.
Preferably, the transfer module comprises a pick-up head assembly and a two-axis transfer assembly, the pick-up head assembly is mounted on the two-axis transfer assembly, and the pick-up head assembly moves the plate on the carrier to the transfer module under the action of the two-axis transfer assembly.
Preferably, the two-axis carrying assembly comprises a rotating assembly and a telescopic assembly, the telescopic assembly is mounted on the rotating assembly, and the telescopic assembly performs rotary motion under the action of the rotating assembly, so that the picking head assembly performs rotary motion.
Preferably, still include the lift module, the carrier is located the top of lift module, the carrier is in the effect of lift module carries out the elevating movement.
Preferably, the device further comprises a loading platform located between the conveying module and the lifting module, and the carrier can move to be located on the same horizontal line with the loading platform under the action of the lifting module.
Preferably, the lifting module and the loading platform both include roller assemblies, the roller assemblies are respectively mounted at the top ends of the loading platform and the lifting module, and when the carrier moves to the same horizontal line with the loading platform, the carrier moves from the lifting module to the loading platform under the action of the roller assemblies.
The technical scheme of the invention has at least one of the following beneficial effects:
the feeding device for plate exposure disclosed by the invention has the advantages that a plurality of plates are stacked on the carrier in an inclined angle, so that large batches of plates can be stacked and the plates are prevented from being easily toppled; in addition, the carrying module is matched with the plate with a certain inclination angle for picking up, so that the feeding cost of the plate is reduced, and the feeding efficiency of the plate is improved.
Drawings
Fig. 1 is a schematic overall structural diagram of a feeding device for exposing a plate according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a part of a feeding device for exposing a plate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a conveying module in a loading device for exposing a plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a conveying module in a loading device for exposing a plate according to an embodiment of the present invention.
Reference numerals are as follows:
b. a plate material;
10. a carrier; 110. a first carrying surface; 120. a second carrying surface; 20. a transmission module; 30. a carrying module; 310. a telescoping assembly; 311. a linear motor; 312. a second support frame; 313. a slider; 314. a slide rail; 320. a rotating assembly; 321. a rotating electric machine; 322. a first support frame; 323. a rotating shaft; 330. a pick-up head assembly; 40. a lifting module; 410. a roller assembly; 50. a loading platform deck.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few 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 described embodiments of the invention, are within the scope of the invention.
In the prior art, in order to improve the loading efficiency, a plurality of plates are stacked and loaded, and the stacking mode is generally that the plates are horizontally stacked, and the picking module is used for picking materials from the stacked upper side. On one hand, the horizontally stacked plates are easy to topple after reaching a certain height; on the other hand, the plate located at the bottom end is subjected to a large pressure, and the plate may be damaged.
The embodiment of the invention provides a feeding device for plate exposure, which utilizes a carrier 10 with an inclination angle to accommodate a plurality of stacked plates b, so that the plurality of stacked plates b can have a certain inclination angle when being positioned on the carrier 10, the stacked plates b are prevented from toppling over, a large batch of plates b can be accommodated, the feeding efficiency of the plates b is improved, and the plates are prevented from being damaged.
First, a loading apparatus for exposure of a sheet according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Specifically, as shown in fig. 1, the feeding device for exposing a plate according to the embodiment of the present invention includes a carrier 10, a conveying module 20 and a carrying module 30, wherein the carrier 10 is used for accommodating a plurality of plates b and making the plates b to present an inclined angle; the conveying module 20 is used for conveying and feeding the plates; the carrying module 30 is used for picking up and transferring the plurality of boards b placed on the carrier 10 to the transferring module 20 in sequence, so that the boards b are loaded under the transfer of the transferring module 20.
That is, after a plurality of plates b are stacked on the carrier 10 at a certain inclination angle, the stacked plates are respectively supported from two directions based on the carrier 10, so that the situation that more stacked plates are toppled is avoided; in addition, the carrier 10 disperses the force on the stacked plates b from two directions, so that the pressure on the plates stacked at the bottom end is greatly reduced, the damage is avoided, and the feeding efficiency of the plates is further improved.
In addition, because the area of the plates is large, when the conveying module 30 takes materials from the upper side of the stacked plates, a certain adsorption force exists between the adjacent plates, and the picking efficiency of the conveying module 30 is reduced; in the embodiment of the present invention, the plurality of plates are stacked at a certain inclination angle, so as to reduce the absorption force between the adjacent plates, and further improve the picking efficiency of the carrying module 30 for picking the uppermost plate of the stack.
Specifically, as shown in fig. 2, the carrier 10 includes a first carrying surface 110 and a second carrying surface 120 that are integrally formed, the first carrying surface 110 and the second carrying surface 120 form a containing groove for placing the plates, and a plurality of the plates are stacked on the first carrying surface 110.
That is, after the plurality of plates are placed in the accommodating groove, the first carrying surface 110 is stressed, and the plurality of plates and the horizontal direction form a certain inclination angle. The range of the inclination angle is preferably less than 70 ° and greater than 45 °, and the range of the inclination angle enables the first and second carrying surfaces 110 and 120 of the carrier 10 to be uniformly stressed and prevents the bottom plate from being damaged.
Further, the area of the first carrier surface 110 is larger than that of the plate.
That is, the area of the first carrying surface 110 is larger than the area of the plate, so that the stability of the carrier 10 for accommodating a large batch of plates is improved.
Further, the angle between the first and second carrier surfaces 110 and 120 is an obtuse angle. The angle between the first carrying surface 110 and the second carrying surface 120 is an obtuse angle, so that the second carrying surface 120 can avoid interference in the process of picking up and transferring the board by the carrying module 30, and the carrying efficiency of the board can be further improved.
Further, an angle a is formed between the first carrying surface 110 and the second carrying surface 120, and the angle range of a is greater than 90 ° and less than 120 °.
That is, the carriers 10 in the angle range make the pressure of the first carrying surface 110 and the second carrier 10 for carrying the plate more uniform. Conversely, when the angle is greater than 120 °, the first carrying surface 110 will carry a larger pressure, which reduces the stability of the carrier 10 when receiving a large batch of plates.
In one embodiment, as shown in fig. 1 and 3, the transfer module 30 includes a pick-up head assembly 330 and a two-axis transfer assembly, the pick-up head assembly 330 is mounted on the two-axis transfer assembly, and the pick-up head assembly 330 moves the plate on the carrier 10 to the transfer module 20 under the action of the two-axis transfer assembly.
That is, the pick-up head assembly 330 picks up the plate material from the first carrier plane 110 having the inclined angle by the two-axis carrying assembly, and then moves the plate material onto the transferring module 20.
Generally, a four-axis robot is used to transfer a sheet material during the transportation of the sheet material, and the four-axis robot is expensive. According to the embodiment of the invention, the plates can be conveyed by using the two-axis conveying assembly, so that the conveying efficiency is ensured and the conveying cost is reduced.
The pick-up head assembly 330 comprises a third support frame and a plurality of suction heads, wherein the suction heads are fixedly arranged on the third support frame, and the third support frame is fixedly arranged on the two-axis carrying assembly. The number of the suction heads is set according to the size and the weight of the area of the plate, and the embodiment of the invention is not limited.
Further, as shown in fig. 3 and 4, the two-axis carrier assembly includes a rotating assembly 320 and a telescoping assembly 310, the telescoping assembly 310 is mounted on the rotating assembly 320, and the telescoping assembly 310 performs a rotating motion under the action of the rotating assembly 320, so that the pick-up head assembly 330 performs a rotating motion.
That is, the rotating assembly 320 is fixed, the telescopic assembly 310 performs reciprocating rotation motion in the vertical direction along the direction e shown in fig. 1 under the action of the rotating assembly 320, and the pick-up head assembly 330 performs rotation motion along the telescopic assembly 310, so that the pick-up head assembly 330 moves the plate on the carrier 10 onto the transfer module 20.
The embodiment of the present invention further includes a frame, wherein the transmission module 20 and the carrying module 30 are both mounted on the frame (shown in the figure), and the frame is further mounted with a power supply module.
Further, the rotating assembly 320 includes a rotating motor 321, a rotating shaft 323, and a first support frame 322, the first support frame 322 is fixedly installed on the frame, the rotating motor 321 is fixedly installed on the first support frame 322, and the rotating shaft 323 performs a rotating motion under the driving of the rotating motor 321.
The telescopic assembly 310 includes a linear motor 311, a slide rail 314, a slider 313 and a second support frame 312, the second support frame 312 is mounted on the rotating shaft 323, the second support frame 312 is driven by the rotating motor 321 to perform reciprocating rotation motion along the direction e shown in fig. 1 with respect to the first support frame 322, the linear motor 311 and the slide rail 314 are fixedly mounted on the second support frame 312, and the slider 313 is driven by the linear motor 311 to perform reciprocating motion along the direction of the slide rail 314, so that the pick-up head assembly 330 picks up or places a plate.
The rotating assembly 320 and the telescopic assembly 310 have simple structures, and the plate can be moved from the carrier 10 to the transfer module 20 by the cooperation of the rotating assembly 320 and the telescopic assembly 310.
In an embodiment, as shown in fig. 1 and fig. 2, the present invention further includes a lifting module 40, the carrier 10 is located at a top end of the lifting module 40, and the carrier 10 is lifted by the lifting module 40.
When a plurality of plates are placed on the carrier 10, the carrier 10 has a large mass, and the carrier 10 is lifted by the lifting module 40 to improve the loading efficiency of the plates.
In one embodiment, as shown in fig. 2, the apparatus further includes a loading platform 50 located between the conveying module 20 and the lifting module 40, and the carrier 10 can move to be located on the same horizontal line with the loading platform 50 under the action of the lifting module 40. Move the carrier 10 that is equipped with panel on lift module 40 to on material loading microscope stage 50 to make transport module 30 pick up the panel in the carrier 10 on material loading microscope stage 50, carry module 30 and carry out the material loading in-process of panel, lift module 40 carries out the descending motion, in order to carry out the material loading operation to next carrier 10, that is to say, after the panel in carrier 10 was got to material loading microscope stage 50, lift module 40 can move the carrier 10 that fills with panel to material loading microscope stage 50 at once, avoid appearing the circumstances that the material loading waited for, further improve the material loading efficiency of panel.
Further, the lifting module 40 and the loading platform 50 both include roller assemblies 410, the roller assemblies 410 are respectively installed at the top ends of the loading platform 50 and the lifting module 40, and when the carrier 10 moves to the same horizontal line as the loading platform 50, the carrier 10 moves from the lifting module 40 to the loading platform 50 under the action of the roller assemblies 410. The carrier 10 filled with the sheet material has a large mass, and the feeding efficiency is improved by the roller assembly 410.
The roller assembly 410 is provided with a blocking member, and after the carrier 10 moves onto the loading platform 50, the position of the carrier 10 is limited by the blocking member, so as to prevent the movement during the process of loading the sheet material.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A loading attachment for panel exposure, characterized by, includes:
the carrier (10) is used for accommodating a plurality of plates and enabling the plates to present an inclined angle;
the conveying module (20) is used for conveying and feeding the plates;
the carrying module (30) is positioned above the conveying module (20) and is used for picking up a plurality of plates placed on the carrier (10) in sequence and conveying the plates onto the conveying module (20), so that the plates are fed under the conveying of the conveying module (20).
2. The loading device for exposure of plates according to claim 1, wherein the carrier (10) comprises a first carrying surface (110) and a second carrying surface (120) which are integrally formed, the first carrying surface (110) and the second carrying surface (120) form a containing slot for placing the plates, and a plurality of the plates are stacked on the first carrying surface (110).
3. Loading device for the exposure of sheet material according to claim 2, characterized in that the area of the first carrier surface (110) is larger than the area of the sheet material.
4. The loading device for exposure of sheet material according to claim 2, wherein the angle between the first and second carrier surfaces (110, 120) is an obtuse angle.
5. The loading device for exposure of plates according to claim 4, wherein the angle between the first and second carrier surfaces (110, 120) ranges from more than 90 ° to less than 120 °.
6. The loading device for exposure of sheet material according to claim 1, wherein the handling module (30) comprises a pick-up head assembly (330) and a two-axis handling assembly, the pick-up head assembly (330) being mounted on the two-axis handling assembly, the pick-up head assembly (330) moving the sheet material on the carrier (10) to the transfer module (20) under the action of the two-axis handling assembly.
7. The loading device for exposure of plate material according to claim 6, wherein the two-axis carrying assembly comprises a rotating assembly (320) and a telescopic assembly (310), the telescopic assembly (310) is mounted on the rotating assembly (320), and the telescopic assembly (310) performs a rotating motion under the action of the rotating assembly (320) so as to enable the pick-up head assembly (330) to perform a rotating motion.
8. The loading device for exposure of plates according to claim 1, further comprising a lifting module (40), wherein the carrier (10) is located at the top end of the lifting module (40), and the carrier (10) is moved up and down by the lifting module (40).
9. The loading device for exposure of plates according to claim 8, further comprising a loading stage (50) located between the conveying module (20) and the lifting module (40), wherein the carrier (10) is movable to be located on the same horizontal line with the loading stage (50) under the action of the lifting module (40).
10. The feeding device for exposure of plates according to claim 9, wherein the lifting module (40) and the feeding stage (50) each comprise a roller assembly (410), the roller assemblies (410) are respectively mounted on the top ends of the feeding stage (50) and the lifting module (40), and when the carrier (10) moves to the same horizontal line with the feeding stage (50), the carrier (10) moves from the lifting module (40) to the feeding stage (50) under the action of the roller assemblies (410).
CN202210377533.6A 2022-04-12 2022-04-12 A loading attachment for panel exposure Pending CN114620469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210377533.6A CN114620469A (en) 2022-04-12 2022-04-12 A loading attachment for panel exposure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210377533.6A CN114620469A (en) 2022-04-12 2022-04-12 A loading attachment for panel exposure

Publications (1)

Publication Number Publication Date
CN114620469A true CN114620469A (en) 2022-06-14

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200992434Y (en) * 2006-09-20 2007-12-19 阳程科技股份有限公司 Thin-sheet accessing apparatus
JP2009262174A (en) * 2008-04-23 2009-11-12 Murata Mach Ltd Plate material stocker
CN201849948U (en) * 2010-09-21 2011-06-01 刘强 Glass frame used with sheet loading platform
CN106348010A (en) * 2015-07-24 2017-01-25 罗国青 Automatic fetching device
CN110641901A (en) * 2019-10-10 2020-01-03 贾涛 Automatic box sealing device of letter sorting function
CN111302056A (en) * 2020-03-31 2020-06-19 山东新华医疗器械股份有限公司 Automatic discharging device
CN211812277U (en) * 2020-03-31 2020-10-30 山东新华医疗器械股份有限公司 Automatic discharging device
CN213320147U (en) * 2020-08-12 2021-06-01 济南奥图自动化股份有限公司 Linear high-speed carrying manipulator
CN214933992U (en) * 2021-06-08 2021-11-30 无锡海菲焊接设备有限公司 Finished product taking device of copper part silver point welding machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200992434Y (en) * 2006-09-20 2007-12-19 阳程科技股份有限公司 Thin-sheet accessing apparatus
JP2009262174A (en) * 2008-04-23 2009-11-12 Murata Mach Ltd Plate material stocker
CN201849948U (en) * 2010-09-21 2011-06-01 刘强 Glass frame used with sheet loading platform
CN106348010A (en) * 2015-07-24 2017-01-25 罗国青 Automatic fetching device
CN110641901A (en) * 2019-10-10 2020-01-03 贾涛 Automatic box sealing device of letter sorting function
CN111302056A (en) * 2020-03-31 2020-06-19 山东新华医疗器械股份有限公司 Automatic discharging device
CN211812277U (en) * 2020-03-31 2020-10-30 山东新华医疗器械股份有限公司 Automatic discharging device
CN213320147U (en) * 2020-08-12 2021-06-01 济南奥图自动化股份有限公司 Linear high-speed carrying manipulator
CN214933992U (en) * 2021-06-08 2021-11-30 无锡海菲焊接设备有限公司 Finished product taking device of copper part silver point welding machine

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Application publication date: 20220614

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