CN217534300U - Conveying device and wire bonding machine - Google Patents
Conveying device and wire bonding machine Download PDFInfo
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- CN217534300U CN217534300U CN202221519476.2U CN202221519476U CN217534300U CN 217534300 U CN217534300 U CN 217534300U CN 202221519476 U CN202221519476 U CN 202221519476U CN 217534300 U CN217534300 U CN 217534300U
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Abstract
The utility model relates to the field of welding technique, specifically disclose a conveyor and bonding wire machine, include: the base is provided with a workbench; the guide rail comprises a first guide rail and a second guide rail which are arranged in parallel, the first guide rail and the second guide rail are symmetrically arranged relative to the workbench, and the first guide rail and the second guide rail can be connected to the base body in a sliding manner; the driving mechanism, the first guide rail and the second guide rail are in driving connection with the driving mechanism so as to drive the first guide rail and the second guide rail to synchronously slide. Through actuating mechanism synchronous drive regulation first guide rail and second guide rail, can enough make the sliding distance homogeneous phase of first guide rail and second guide rail, so that the workstation is in the central point of first guide rail and second guide rail all the time and puts, also can avoid adopting the mode of manual regulation to carry out the produced human error of sliding adjustment to first guide rail and second guide rail respectively, in order to guarantee the sliding adjustment precision to first guide rail and second guide rail, and labour saving and time saving more, thereby make things convenient for the bonding wire operation to use.
Description
Technical Field
The utility model relates to the field of welding technique, especially, relate to a conveyor and bonding wire machine.
Background
Wire bonding machines are classified according to wire types and can be classified into Jin Xianji, aluminum wire machines and copper wire machines; classified by welding methods, they can be classified into ball welders and wedge welders. The welding method is mainly applied to the welding of inner leads of high-power devices, mosfets, IGBTs, light Emitting Diodes (LEDs), laser tubes (lasers), medium and small power triodes, integrated circuits and some special semiconductor devices. During welding, the welded metal surface needs to be preheated firstly, and then plastic deformation is generated on the metal welding surface under the combined action of time and pressure, so that two media are reliably contacted, and a metal bond is formed between two metal atoms under the action of atomic affinity, so that the welding operation can be completed.
Among the prior art, wire bonding machine is when carrying out the bonding wire to the lead frame of different width dimensions, usually need two conveying guide rails of manual regulation respectively to the width between two conveying guide rails of adjustment, thereby realize the bonding wire processing, however two conveying guide rails of manual regulation respectively, waste time and energy, and can't guarantee its regulation precision, and then be unfavorable for quick, effectively going on of bonding wire processing operation.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a conveying device solves among the prior art and conveys the guide rail and adjust and waste time and energy, and can't guarantee the problem of adjusting the precision.
In order to achieve the above object, the present invention provides the following technical solutions:
a delivery device, comprising:
the base is provided with a workbench;
the guide rails comprise a first guide rail and a second guide rail which are arranged in parallel, the first guide rail and the second guide rail are symmetrically arranged relative to the workbench, and both the first guide rail and the second guide rail can be slidably connected to the base body;
and the first guide rail and the second guide rail are in driving connection with the driving mechanism so as to drive the first guide rail and the second guide rail to synchronously slide.
Optionally, the conveying device further comprises:
the first guide rail and the second guide rail are respectively provided with a sliding groove for the sliding of the lead frame, and the feeding mechanism is used for conveying the lead frame to the first end of the sliding groove;
the material pulling and clamping mechanism is connected to the first guide rail or the second guide rail in a sliding mode and used for clamping the lead frame and enabling the lead frame to slide on the sliding groove;
and the blanking mechanism is used for conveying the lead frame output from the second end of the chute.
Optionally, the conveying device further comprises:
the sensor is fixedly installed on the first guide rail or the second guide rail so as to detect the distance between a lead frame on the feeding mechanism and the first end of the sliding groove.
Optionally, the material pulling and clamping mechanism includes a first clamping jaw mechanism, a second clamping jaw mechanism and a mounting seat, the first clamping jaw mechanism is used for conveying the lead frame on the feeding mechanism to the workbench, the second clamping jaw mechanism is used for conveying the lead frame on the workbench to the material discharging mechanism, the mounting seat is slidably connected to the first guide rail, and the first clamping jaw mechanism and the second clamping jaw mechanism are respectively mounted at two ends of the mounting seat;
the first clamping jaw mechanism comprises a first clamping arm, a second clamping arm, a driving shaft, a first cam and a second cam;
the first clamping arm and the second clamping arm can be both connected to the mounting seat in a sliding manner, the driving shaft is connected to the mounting seat in a rotating manner, the first cam and the second cam are both fixedly connected to the driving shaft, the first cam is in driving connection with the first clamping arm, and the second cam is in driving connection with the second clamping arm;
the driving shaft is driven to rotate, so that the first cam and the second cam can be rotated to drive the first clamping arm and the second clamping arm to move close to or move away from each other in a sliding manner;
the structure of the second clamping jaw mechanism is the same as that of the first clamping jaw mechanism.
Optionally, the conveying device further comprises:
the pushing piece is installed on the first guide rail or the second guide rail and used for pushing the lead frame at the second end of the sliding groove to the blanking mechanism.
Optionally, the driving mechanism includes a first lead screw, a second lead screw, a first driving belt and a driving motor;
the first screw rod is in threaded connection with the first guide rail, the second screw rod is in threaded connection with the second guide rail, the screw pitches of the first screw rod and the second screw rod are the same, the rotating directions of the first screw rod and the second screw rod are opposite, the first screw rod and the second screw rod are in driving connection with the first driving belt, and the driving motor is in driving connection with the first screw rod or the second screw rod.
Optionally, the conveying device further comprises:
a lifting adjusting mechanism, which comprises a driving knob, a second driving belt and a third lead screw, wherein the driving knob is rotatably connected to the seat body and is in driving connection with the second driving belt, the third lead screw is provided with a plurality of pieces, the third lead screws are in driving connection with the second driving belt, and the third lead screws are in threaded connection with the guide rail;
the driving knob is driven to rotate, so that the second driving belt can be moved, and then a plurality of third screw rods are driven to rotate, so that the guide rail can slide on the base body in a lifting manner.
Optionally, the workbench is further provided with a heating element and an adsorbing element for heating and adsorbing the fixed lead frame.
Optionally, the base body is further provided with a pressing portion, a pressing plate is arranged on the pressing portion, and the pressing plate is arranged above the workbench to press the fixed lead frame.
The utility model also provides a bonding wire machine, including the aforesaid conveyor.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a conveying device, when in use, the first guide rail and the second guide rail are synchronously driven and adjusted through the driving mechanism, so that the sliding distances of the first guide rail and the second guide rail are the same, the workbench is always positioned at the central position of the first guide rail and the second guide rail, and the continuous and effective operation of welding wires on the workbench can be ensured; meanwhile, human errors caused by sliding adjustment of the first guide rail and the second guide rail respectively in a manual adjustment mode can be avoided, so that the sliding adjustment precision of the first guide rail and the second guide rail is guaranteed, time and labor are saved, the wire welding operation is facilitated, and the wire welding quality and efficiency are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a conveying device provided by the present invention;
fig. 2 is a schematic structural diagram of a conveying device provided by the present invention, in which a feeding mechanism and a discharging mechanism are hidden;
fig. 3 is a schematic structural view of a workbench in a conveying device provided by the present invention;
fig. 4 is a schematic structural view of the material pulling and clamping mechanism provided by the present invention;
fig. 5 is a schematic structural view of the first clamping jaw structure provided by the present invention.
In the above figures: 10. a base body; 11. a work table; 12. a pressing part; 13. pressing a plate; 20. a guide rail; 21. a first guide rail; 22. a second guide rail; 30. a drive mechanism; 31. a first lead screw; 32. a second lead screw; 33. a first drive belt; 34. a drive motor; 40. a feeding mechanism; 50. a material pulling and clamping mechanism; 51. a first jaw mechanism; 511. a first clamp arm; 512. a second clamp arm; 513. a drive shaft; 514. a first cam; 515. a second cam; 52. a second jaw mechanism; 53. a mounting seat; 60. a blanking mechanism; 70. a sensor; 80. a lifting adjusting mechanism; 90. and pushing the material piece.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is to be understood that the detailed description of the invention is intended to be illustrative of the invention and is not intended to limit the invention. Wherein the exemplary embodiments are described as processes or methods depicted as flowcharts; although a flowchart may describe the operations or processing of steps as a certain order, many of the operations or steps can be performed in parallel, concurrently or simultaneously and the order of the operations can be re-arranged. When its operations or steps are completed, the corresponding process may be terminated, with additional steps not included in the figures. The processes described above may correspond to methods, functions, procedures, subroutines, and the like, and the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The term "include" and its variants as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The technical scheme of the invention is further explained by the specific implementation mode with the attached drawings; it is to be understood that only some, but not all, of the structures associated with the present invention are shown in the drawings for convenience of description.
Referring to fig. 1 to 5 in combination, an embodiment of the present invention provides a conveying device, including:
the seat body 10 is provided with a workbench 11;
the guide rail 20 comprises a first guide rail 21 and a second guide rail 22 which are arranged in parallel, the first guide rail 21 and the second guide rail 22 are symmetrically arranged relative to the workbench 11, and both the first guide rail 21 and the second guide rail 22 can be connected to the seat body 10 in a sliding manner;
the driving mechanism 30, the first guide rail 21 and the second guide rail 22 are all in driving connection with the driving mechanism 30 so as to drive the first guide rail 21 and the second guide rail 22 to slide synchronously.
When the wire welding machine is used, the driving mechanism 30 synchronously drives and adjusts the first guide rail 21 and the second guide rail 22, so that the sliding distances of the first guide rail 21 and the second guide rail 22 are the same, the workbench 11 is always positioned at the central positions of the first guide rail 21 and the second guide rail 22, and the wire welding operation on the workbench 11 can be continuously and effectively carried out; meanwhile, human errors caused by sliding adjustment of the first guide rail 21 and the second guide rail 22 in a manual adjustment mode can be avoided, so that the sliding adjustment precision of the first guide rail 21 and the second guide rail 22 is guaranteed, time and labor are saved, wire welding operation is facilitated, and the wire welding operation quality and efficiency are improved.
Specifically, in order to facilitate the transfer of the lead frame for the wire bonding operation, the conveying device further comprises:
the feeding mechanism 40 is used for conveying the lead frame to a first end of the sliding chute;
the material pulling and clamping mechanism 50 is connected to the first guide rail 21 or the second guide rail 22 in a sliding manner, and the material pulling and clamping mechanism 50 is used for clamping the lead frame and enabling the lead frame to slide on the sliding groove;
and the blanking mechanism 60 is used for conveying the lead frames output from the second end of the chute by the blanking mechanism 60.
In the embodiment, the feeding mechanism 40 is provided with a clamping arm for clamping and fixing the material box bearing the lead frame, the clamping arm is arranged along the periphery of the material box, and the clamping arm can be driven and adjusted through a motor lead screw to realize the automatic adjustment of a clamping space, so that the clamping use requirements of the material boxes with different sizes are met; meanwhile, the feeding mechanism 60 is also provided with a lifting motor for lifting and adjusting the material box, so that the height of the lead frame is the same as that of the chute, and then the lead frame can be conveyed into the chute and conveyed onto the workbench 11 through the material pulling and clamping mechanism 50, so that the risk that the lead frame is clamped at the first end of the chute is avoided; after the wire bonding operation of the lead frame on the worktable 11 is completed, the material pulling and clamping mechanism 50 transfers the lead frame to the blanking mechanism 60.
Specifically, in order to determine the position of the lead frame more accurately, so as to ensure that the material pulling and clamping mechanism 50 transfers the lead frame to the set position of the worktable 11, thereby facilitating the effective performance of the wire bonding operation, the conveying device further comprises:
and the sensor 70 is fixedly arranged on the first guide rail 21 or the second guide rail 22, so as to detect the distance between the lead frame on the feeding mechanism 40 and the first end of the chute. In the present embodiment, the sensor 70 is preferably a distance sensor.
Specifically, in order to facilitate clamping and conveying of the lead frame to meet the use requirement of the wire bonding operation, the material pulling and clamping mechanism 50 comprises a first clamping jaw mechanism 51, a second clamping jaw mechanism 52 and a mounting seat 53, the first clamping jaw mechanism 51 is used for conveying the lead frame on the feeding mechanism 40 to the workbench 11, the second clamping jaw mechanism 52 is used for conveying the lead frame on the workbench 11 to the blanking mechanism 60, the mounting seat 53 is connected to the first guide rail 21 in a sliding manner, and the first clamping jaw mechanism 51 and the second clamping jaw mechanism 52 are respectively mounted at two ends of the mounting seat 53;
the first jaw mechanism 51 includes a first jaw arm 511, a second jaw arm 512, a drive shaft 513, a first cam 514, and a second cam 515;
the first clamping arm 511 and the second clamping arm 512 can be slidably connected to the mounting base 53, the driving shaft 513 is rotatably connected to the mounting base 53, the first cam 514 and the second cam 515 are fixedly connected to the driving shaft 513, the first cam 514 is in driving connection with the first clamping arm 511, and the second cam 515 is in driving connection with the second clamping arm 512;
the driving shaft 513 is driven to rotate, so that the first cam 514 and the second cam 515 are driven to rotate, and the first clamping arm 511 and the second clamping arm 512 are driven to move close to or away from each other to slide, so as to clamp or release the lead frame;
the second gripper mechanism 52 has the same structure as the first gripper mechanism 51.
In this embodiment, the driving shaft 513 may be directly driven and adjusted by a motor, or may be driven and adjusted by a motor and a belt, so as to realize rotation adjustment of the driving shaft 513. The first cam 514 and the second cam 515 are used for driving the first clamping arm 511 and the second clamping arm 512 to clamp the lead frame, so that the clamping force of the lead frame on the lead frame can be kept unchanged, and the lead frame is prevented from being clamped and lost.
Specifically, for the convenience is quick pushes away the lead frame of spout second end to unloading mechanism 60 on, this conveyor still includes:
the pushing element 90 is mounted on the first guide rail 21 or the second guide rail 22, and the pushing element 90 is used for pushing the lead frame at the second end of the chute to the blanking mechanism 60.
In this embodiment, the pushing member 90 can push the lead frame to the blanking mechanism 60 in a manner of driving by a linear motor or an air cylinder.
Specifically, in order to more conveniently realize synchronous driving adjustment of the first guide rail 21 and the second guide rail 22 so as to meet the use requirement, the driving mechanism 30 includes a first lead screw 31, a second lead screw 32, a first driving belt 33 and a driving motor 34;
the first screw rod 31 is in threaded connection with the first guide rail 21, the second screw rod 32 is in threaded connection with the second guide rail 22, the screw pitches of the first screw rod 31 and the second screw rod 32 are the same, the screwing directions are opposite, the first screw rod 31 and the second screw rod 32 are both in driving connection with the first driving belt 33, and the driving motor 34 is in driving connection with the first screw rod 31 or the second screw rod 32.
In this embodiment, the driving motor 34 may be directly connected to the first lead screw 31 in a driving manner, or may be connected to the first lead screw 31 in a driving manner through a belt, so as to drive the first lead screw 31 to rotate, and further drive the second lead screw 32 to rotate synchronously through the first driving belt 33, where the first driving belt 33 is preferably a belt. In addition, two motors can be used to drive and adjust the first lead screw 31 and the second lead screw 32 respectively, so as to realize the rotation adjustment of the first lead screw 31 and the second lead screw 32.
Specifically, in order to facilitate the lifting adjustment of the guide rail 20 to satisfy the wire bonding operation of the lead frames with different heights, the conveying device further comprises:
the lifting adjusting mechanism 80 comprises a driving knob, a second driving belt and a third screw rod, the driving knob is rotatably connected to the base body 10 and is in driving connection with the second driving belt, the third screw rod is provided with a plurality of pieces, the plurality of pieces of third screw rod are in driving connection with the second driving belt, and the plurality of pieces of third screw rod are in threaded connection with the guide rail 20;
the driving knob is driven to rotate, so that the second driving belt can move, a plurality of third screw rods are driven to rotate, and then the guide rails 20 are driven to ascend, descend and slide on the seat body 10 under the threaded fit between the third screw rods and the guide rails 20.
In this embodiment, the drive knob may be driven by a motor or may be adjusted by manual drive, and the second drive belt is preferably a belt. In addition, the worktable 11 is also adjusted by the lifting motor to make the height of the worktable match with that of the guide rail 20, so as to meet the use requirement of the lead frame for wire bonding operation.
Specifically, in order to improve the quality of the bonding wire, a heating element and an adsorption element are further arranged on the workbench 11 and used for heating and adsorbing the fixed lead frame.
In this embodiment, the heating member can be heating rod or heating plate, and the preferred vacuum chuck that adsorbs the piece to can effectively heat and adsorb fixedly to the lead frame, so that the lead frame is attached on workstation 11 completely, and then makes its surperficial level and smooth more, in order to do benefit to the promotion of bonding wire quality.
Specifically, in order to more effectively fix the lead frame and to improve the quality of the wire bonding operation by partially warping the surface of the lead frame when the lead frame is pressed, the seat body 10 is further provided with a pressing part 12, the pressing part 12 is provided with a pressing plate 13, and the pressing plate 13 is arranged above the workbench 11 to press and fix the lead frame.
In this embodiment, the pressing plate 13 is used to press and fix the whole lead frame, so that the lead frame can be partially warped, and the pressing plate 13 is provided with a cavity for performing the wire bonding operation, so as to facilitate the wire bonding operation.
The embodiment of the utility model provides a still provide a bonding wire machine, including foretell conveyor.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A conveyor apparatus, comprising:
the device comprises a base body (10), wherein a workbench (11) is arranged on the base body (10);
the guide rail (20) comprises a first guide rail (21) and a second guide rail (22) which are arranged in parallel, the first guide rail (21) and the second guide rail (22) are symmetrically arranged relative to the workbench (11), and both the first guide rail (21) and the second guide rail (22) can be connected to the base body (10) in a sliding manner;
the first guide rail (21) and the second guide rail (22) are in driving connection with the driving mechanism (30) so as to drive the first guide rail (21) and the second guide rail (22) to slide synchronously.
2. The delivery device of claim 1, further comprising:
the feeding mechanism (40) is used for conveying the lead frames to the first ends of the sliding grooves, sliding grooves for the lead frames to slide are formed in the first guide rail (21) and the second guide rail (22);
the material pulling and clamping mechanism (50), the material pulling and clamping mechanism (50) is connected to the first guide rail (21) or the second guide rail (22) in a sliding mode, and the material pulling and clamping mechanism (50) is used for clamping a lead frame and enabling the lead frame to slide on the sliding groove;
and the blanking mechanism (60) is used for conveying the lead frames output from the second end of the chute.
3. The delivery device of claim 2, further comprising:
the sensor (70) is fixedly installed on the first guide rail (21) or the second guide rail (22) so as to detect the distance between a lead frame on the feeding mechanism (40) and the first end of the sliding chute.
4. The conveying device according to claim 2, wherein the drawing clamping mechanism (50) comprises a first clamping jaw mechanism (51), a second clamping jaw mechanism (52) and a mounting seat (53), the first clamping jaw mechanism (51) is used for conveying the lead frame on the feeding mechanism (40) to the workbench (11), the second clamping jaw mechanism (52) is used for conveying the lead frame on the workbench (11) to the blanking mechanism (60), the mounting seat (53) is connected to the first guide rail (21) in a sliding manner, and the first clamping jaw mechanism (51) and the second clamping jaw mechanism (52) are respectively mounted at two ends of the mounting seat (53);
the first clamping jaw mechanism (51) comprises a first clamping arm (511), a second clamping arm (512), a driving shaft (513), a first cam (514) and a second cam (515);
the first clamping arm (511) and the second clamping arm (512) are both slidably connected to the mounting seat (53), the driving shaft (513) is rotatably connected to the mounting seat (53), the first cam (514) and the second cam (515) are both fixedly connected to the driving shaft (513), the first cam (514) is in driving connection with the first clamping arm (511), and the second cam (515) is in driving connection with the second clamping arm (512);
the driving shaft (513) is driven to rotate, so that the first cam (514) and the second cam (515) can be rotated to drive the first clamping arm (511) and the second clamping arm (512) to slide close to each other or move away from each other;
the structure of the second clamping jaw mechanism (52) is the same as that of the first clamping jaw mechanism (51).
5. The delivery device of claim 2, further comprising:
the feeding mechanism comprises a pushing part (90), the pushing part (90) is installed on the first guide rail (21) or the second guide rail (22), and the pushing part (90) is used for pushing a lead frame at the second end of the sliding groove to the discharging mechanism (60).
6. The conveyor device according to claim 1, wherein the drive mechanism (30) comprises a first screw (31), a second screw (32), a first drive belt (33) and a drive motor (34);
the first screw rod (31) is in threaded connection with the first guide rail (21), the second screw rod (32) is in threaded connection with the second guide rail (22), the screw pitches of the first screw rod (31) and the second screw rod (32) are the same, the screwing directions are opposite, the first screw rod (31) and the second screw rod (32) are in driving connection with the first driving belt (33), and the driving motor (34) is in driving connection with the first screw rod (31) or the second screw rod (32).
7. The delivery device of claim 1, further comprising:
a lifting adjusting mechanism (80), wherein the lifting adjusting mechanism (80) comprises a driving knob, a second driving belt and a third lead screw, the driving knob is rotatably connected to the seat body (10) and is in driving connection with the second driving belt, the third lead screw is provided with a plurality of pieces, the third lead screws are in driving connection with the second driving belt, and the third lead screws are in threaded connection with the guide rail (20);
the driving knob is driven to rotate, so that the second driving belt can be moved, and then a plurality of third screw rods are driven to rotate, so that the guide rail (20) can slide up and down on the base body (10).
8. The conveying device according to claim 1, wherein the worktable (11) is further provided with a heating member and an adsorbing member for heating and adsorbing the fixed lead frame.
9. The conveying device according to claim 1, wherein a pressing portion (12) is further provided on the seat (10), a pressing plate (13) is provided on the pressing portion (12), and the pressing plate (13) is disposed above the worktable (11) to press and fix the lead frame.
10. A wire bonding machine characterized by comprising a delivery device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221519476.2U CN217534300U (en) | 2022-06-17 | 2022-06-17 | Conveying device and wire bonding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221519476.2U CN217534300U (en) | 2022-06-17 | 2022-06-17 | Conveying device and wire bonding machine |
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| CN217534300U true CN217534300U (en) | 2022-10-04 |
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| CN202221519476.2U Active CN217534300U (en) | 2022-06-17 | 2022-06-17 | Conveying device and wire bonding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117718653A (en) * | 2024-02-18 | 2024-03-19 | 佛山市蓝箭电子股份有限公司 | Lead frame conveying device and wire bonding machine |
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2022
- 2022-06-17 CN CN202221519476.2U patent/CN217534300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117718653A (en) * | 2024-02-18 | 2024-03-19 | 佛山市蓝箭电子股份有限公司 | Lead frame conveying device and wire bonding machine |
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