CN210548704U - FPC and device three-dimensional welding jig - Google Patents
FPC and device three-dimensional welding jig Download PDFInfo
- Publication number
- CN210548704U CN210548704U CN201920897201.4U CN201920897201U CN210548704U CN 210548704 U CN210548704 U CN 210548704U CN 201920897201 U CN201920897201 U CN 201920897201U CN 210548704 U CN210548704 U CN 210548704U
- Authority
- CN
- China
- Prior art keywords
- pcb
- welding
- soft board
- face
- rotating shaft
- 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
Links
Images
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model provides a FPC and device three-dimensional welding jig, including the anchor clamps base, the anchor clamps base upper end is by the intermediate position seted up the PCB fixed slot, be used for fixed PCB of treating processing, it has 1G TX soft board, 10G RX soft board and 10G TX soft board to weld in advance on the PCB, the anchor clamps base is seted up the constant head tank that is used for fixed device, the device has three welding terminal surface, 1G TX welding terminal surface, 10G RX welding terminal surface and 10G TX welding terminal surface respectively, 1G TX soft board, 10G RX soft board and 10G TX soft board respectively with the 1G TX welding terminal surface of device on the constant head tank, 10G RX welding terminal surface and 10G TX welding terminal surface are relative, still install the pressure equipment mechanism on the anchor clamps base, the pressure equipment mechanism is including being used for compressing tightly 1G TX soft board at the 1G TX welding pressure equipment terminal surface of device, be used for compressing tightly 10G RX pressure equipment mechanism and be used for compressing tightly 10G TX pressure equipment mechanism at the 10G RX welding terminal surface of device with the 10G TX And the soft board is pressed on the 10G TX press-fit mechanism of the 10G TX welding end face of the device.
Description
Technical Field
The utility model relates to a welding process field of gentle board and hardboard, concretely relates to FPC and device three-dimensional welding jig.
Background
In the manufacturing process of the optical module, a manufacturing process, namely a welding process between a flexible printed circuit board and a device, is often accompanied, various connection forms can be generated according to the functional characteristics of products, such as single-flexible printed circuit board welding and multi-flexible printed circuit board welding, the welding direction can be divided into plane welding, pre-shaping welding and the like according to the assembly characteristics of the module, the flexible printed circuit board and the device need to be fixed well in the welding process, in addition, the flexible printed circuit board is just welded to the multi-flexible printed circuit board, and the currently adopted mode is that a set of tool fixture is respectively designed for each welding process, and different clamping modes and welding are performed for 3 times.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a FPC and device three-dimensional welding jig, anchor clamps include the anchor clamps base, the anchor clamps base upper end is leaned on the intermediate position and has been seted up the PCB fixed slot for the fixed PCB who treats processing, the welding has 1G TX soft board, 10G RX soft board and 10G TX soft board in advance on the PCB, the constant head tank that is used for fixed device is offered to the anchor clamps base, the device has three welding end face, and 1G TX welding end face, 10G RX welding end face and 10GTX welding end face are relative respectively, 1G TX soft board, 10G RX soft board and 10G TX soft board respectively with the constant head tank on 1G TX welding end face, 10G RX welding end face and 10G TX welding end face of device relative, still install on the anchor clamps base and press the mechanism, press the mechanism to press the 1G TX soft board to compress tightly at the 1G TX welding end face of device, A 10G RX press-fit mechanism used for pressing the 10GRX soft board on the 10G RX welding end surface of the device and a 10G TX press-fit mechanism used for pressing the 10G TX soft board on the 10G TX welding end surface of the device.
Further, the clamp base is also provided with a PCB pressing mechanism for pressing the PCB.
Furthermore, the PCB pressing mechanism is a PCB pressing block, a pin hole is formed in one side, located on the PCB fixing groove, of the clamp base, and the PCB pressing block is connected with the clamp base through the pin hole in a pin mode.
Further, the press-fit mechanism comprises a press plate rotating shaft, an adjusting screw, a spring and a press plate, wherein the clamp base is located beside the positioning groove and is provided with a corresponding mounting hole of the press-fit mechanism, a through hole penetrating through the press plate rotating shaft is formed in the middle of the press plate rotating shaft in the axial direction, the adjusting screw penetrates through the through hole of the press plate rotating shaft and is in threaded connection with the bottom of the mounting hole, the maximum outer diameter of the press plate rotating shaft is larger than the inner diameter of the mounting hole, the spring is sleeved on the adjusting screw, one end of the spring is connected with the bottom of the mounting hole, the other end of the spring is connected with the press plate rotating shaft, the press plate is mounted on the press plate rotating shaft, the front end of the press plate is opposite to the corresponding end face of a device mounted on the positioning groove.
Further, the front end of the pressure plate is annular.
Furthermore, the pressing plate rotating shaft comprises a first rotating shaft with a first outer diameter and a second rotating shaft with a second outer diameter, the first outer diameter is larger than the inner diameter of the mounting hole, the second outer diameter is smaller than the inner diameter of the mounting hole, the adjusting screw penetrates through the first rotating shaft and the second rotating shaft in sequence and then is in threaded connection with the bottom of the mounting hole, and the second rotating shaft can be sleeved in the hollow hole.
Further, the outer diameter of the screw head of the adjusting screw is larger than the inner diameter of the through hole of the pressing plate rotating shaft.
Furthermore, the clamp base is provided with two positioning grooves which are a first positioning groove and a second positioning groove respectively, when the device is installed on the first positioning groove, the 10G TX welding end surface of the device on the first positioning groove is opposite to the 10G TX soft board on the PCB when the PCB is installed on the PCB fixing groove in the forward direction; when the device is installed on the second positioning groove, the 1G TX welding end face and the 10G RX welding end face of the device on the second positioning groove are respectively opposite to the 1G TX soft board and the 10G RX soft board on the PCB when the PCB is reversely installed on the PCB fixing groove.
The utility model has the advantages that:
1. in the aspects of design and processing, the number of clamps is reduced, and the structure and the process are simplified, so that the design and processing time is reduced, and the design and processing efficiency is improved;
2. in the aspect of worker operation, 3 welding processes can be completed only by 2 times of material clamping, so that the feeding and discharging efficiency is greatly improved;
2. the material only needs to be clamped for 2 times, so that damage caused by midway turnover is avoided, and the yield is improved.
Drawings
Fig. 1 is a structural diagram of a three-way welding fixture for an FPC and a device provided by an embodiment of the present invention;
fig. 2 is a structural diagram of a device provided in an embodiment of the present invention;
fig. 3 is a structural diagram of a PCB provided in an embodiment of the present invention;
fig. 4 is a structural diagram of a 10G TX press-fit mechanism provided in an embodiment of the present invention;
fig. 5 is a structural diagram of a 1G TX and 10G RX press-fit mechanism provided in an embodiment of the present invention;
fig. 6 is a structural diagram of the PCB in reverse installation according to an embodiment of the present invention;
description of reference numerals: 1. a clamp base, 2, a PCB, 3, a PCB fixing groove, 4, 10G TX press-fit mechanism, 5, 1G TX press-fit mechanism, 6, 10G RX press-fit mechanism, 7, a device, 8, a PCB pressing block, 9, a bolt, 10, a second positioning groove, 11, a first positioning groove, 21, 10G TX soft board, 22, 1G TX soft board, 23, 10G RX soft board, 41, 10G TX pressing plate rotating shaft, 42, 10G TX adjusting screw, 43, 10G TX spring, 44, 10G TX pressing plate, 51, 1G TX pressing plate rotating shaft, 52, 1G TX adjusting screw, 53, 1G TX spring, 54, 1G TX pressing plate, 61, 10G RX pressing plate rotating shaft, 62, 10G RX adjusting screw, 63, 10G RX spring, 64, 10G RX pressing plate, 71, 10G TX welding end face, 72, 1G TX welding end face, 73, 10G TX welding end face, and the like, And (5) welding the end face by 10G RX.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the present invention, and 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.
As shown in fig. 1-3, an FPC and device three-way welding fixture provided by an embodiment of the present invention includes a fixture base 1, a PCB fixing groove 3 is opened at an upper end of the fixture base 1 by a middle position for fixing a PCB9 to be processed, a 1G TX soft board 22, a 10G RX soft board 23, and a 10G TX soft board 21 are welded on a PCB9 in advance, a positioning groove for fixing a device 7 is opened on the fixture base 1, the device 7 has three welding end faces, which are a 1G TX welding end face 72, a 10G RX welding end face 73, and a 10G TX welding end face 71, the 1G TX soft board 22, the 10G RX soft board 23, and the 10G TX soft board 21 are respectively opposite to the 1G TX welding end face 72, the 10G RX welding end face 73, and the 10G TX welding end face 71 of the device on the positioning groove, a press-fit mechanism is further installed on the fixture base 1, the press-fit mechanism comprises a 1G TX press-fit mechanism 5 for pressing a 1G TX soft board 22 on a 1GTX welding end face 72 of the device, a 10G RX press-fit mechanism 6 for pressing a 10G RX soft board 23 on a 10G RX welding end face 73 of the device, and a 10G TX press-fit mechanism 4 for pressing a 10G TX soft board 21 on a 10G TX welding end face 71 of the device.
Preferably, the fixture base 1 is further provided with a PCB pressing mechanism for pressing the PCB, the PCB pressing mechanism is a PCB pressing block 8, a pin hole is formed in one side of the fixture base 1, which is located on the PCB fixing groove 3, and the PCB pressing block 8 is connected with the fixture base 1 through the pin hole.
Preferably, the press-fit mechanism includes a pressing plate rotating shaft, an adjusting screw, a spring and a pressing plate, the clamp base 1 is located beside the positioning groove and is provided with a corresponding mounting hole, a through hole penetrating through the pressing plate rotating shaft is formed in the middle of the pressing plate rotating shaft in the axial direction, the adjusting screw penetrates through the through hole of the pressing plate rotating shaft and is in threaded connection with the bottom of the mounting hole, the maximum outer diameter of the pressing plate rotating shaft is larger than the inner diameter of the mounting hole, the spring is sleeved on the adjusting screw, one end of the spring is connected with the bottom of the mounting hole, the other end of the spring is connected with the pressing plate rotating shaft, the pressing plate is mounted on the pressing plate rotating shaft, the front end of the pressing plate is opposite to the corresponding end face of a device mounted on the positioning groove, and presses.
Preferably, the front end of the pressure plate is annular.
Preferably, the pressure plate rotating shaft includes a first rotating shaft having a first outer diameter and a second rotating shaft having a second outer diameter, the first outer diameter is larger than the inner diameter of the mounting hole, the second outer diameter is smaller than the inner diameter of the mounting hole, the adjusting screw sequentially passes through the first rotating shaft and the second rotating shaft and then is in threaded connection with the bottom of the mounting hole, and the second rotating shaft can be sleeved in the hollow hole.
Preferably, the outer diameter of the screw head of the adjusting screw is larger than the inner diameter of the through hole of the rotating shaft of the pressure plate.
As shown in fig. 4, the 10G TX press-fit mechanism 4 includes a 10G TX platen rotating shaft 41, a 10G TX adjusting screw 42, a 10G TX spring 43 and a 10G TX platen 44, the clamp base 1 is provided with a 10G TX mounting hole for mounting the 10G TX press-fit mechanism 4 beside the positioning groove, a through hole penetrating the 10G TX platen rotating shaft 41 is formed in the middle of the 10G TX platen rotating shaft 41 toward the axial direction, the 10G TX adjusting screw 42 penetrates the through hole of the 10G TX platen rotating shaft 41 to be in threaded connection with the bottom of the 10G TX mounting hole, the maximum outer diameter of the 10G TX platen rotating shaft 41 is greater than the inner diameter of the 10G TX mounting hole, the 10G TX spring 43 is sleeved on the 10G TX adjusting screw 42, and one end of the 10G TX spring 43 is connected with the bottom of the 10G TX mounting hole, the other end of the 10G TX spring 43 is connected with the 10G TX pressing plate rotating shaft 41, the 10G TX pressing plate 44 is installed on the 10G TX pressing plate rotating shaft 41, the front end of the 10G TX pressing plate 44 is opposite to the 10G TX welding end face 71 of the device installed on the positioning groove, and the 10G TX welding end face 71 of the device is pressed under the contraction force of the 10G TX spring 43.
As shown in fig. 5, the 1G TX press-fit mechanism 5 includes a 1G TX platen rotating shaft 51, a 1G TX adjusting screw 52, a 1GTX spring 53 and a 1G TX platen 54, the clamp base 1 is provided with a 1G TX mounting hole of the 1G TX press-fit mechanism 5 beside the positioning groove, a through hole penetrating through the 1G TX platen rotating shaft 51 is formed in the middle of the 1G TX platen rotating shaft 51 toward the axial direction, the 1G TX adjusting screw 52 penetrates through the through hole of the 1G TX platen rotating shaft 51 to be in threaded connection with the bottom of the 1G TX mounting hole, the maximum outer diameter of the 1G TX platen rotating shaft 51 is greater than the inner diameter of the 1G TX mounting hole, the 1G TX spring 53 is sleeved on the 1G TX adjusting screw 52, and one end of the 1G TX spring 53 is connected with the bottom of the 1G TX mounting hole, the other end of the 1G TX spring 53 is connected with the 1G TX pressure plate rotating shaft 51, the 1G TX pressure plate 54 is installed on the 1G TX pressure plate rotating shaft 51, the front end of the 1G TX pressure plate 54 is opposite to the 1G TX welding end surface 72 of the device installed on the positioning groove, and the 1G TX welding end surface 72 of the device is pressed under the contraction force of the 1G TX spring 53.
The 10G RX press-fit mechanism 6 comprises a 10G RX press plate rotating shaft 61, a 10G RX adjusting screw 62, a 10G RX spring 63 and a 10G RX press plate 64, a 10G RX mounting hole of the 10G RX press-fit mechanism 6 is formed beside the positioning groove of the clamp base 1, a through hole penetrating through the 10G RX press plate rotating shaft 61 is formed in the middle of the 10G RX press plate rotating shaft 61 in the axial direction, the 10G RX adjusting screw 62 penetrates through the through hole of the 10G RX press plate rotating shaft 61 to be in threaded connection with the bottom of the 10G RX mounting hole, the maximum outer diameter of the 10G RX press plate rotating shaft 61 is larger than the inner diameter of the 10G RX mounting hole, the 10GRX spring 63 is sleeved on the 10G RX adjusting screw 62, one end of the 10G RX spring 63 is connected with the bottom of the 10G RX mounting hole, and the other end of the 10G RX spring 63 is connected with the 10G RX press plate rotating shaft, the 10G RX pressing plate 64 is mounted on the 10G RX pressing plate rotating shaft 61, the front end of the 10G RX pressing plate 64 is opposite to the 10G RX welding end face 73 of the device mounted on the positioning groove, and the 10G RX welding end face 73 of the device is pressed under the contraction force of the 10G RX spring 63.
Preferably, because the installation positions of the plurality of flexible boards are different, other positioning grooves can be formed in the clamp base 1 at suitable positions as required, so that each flexible board can be opposite to the corresponding welding end face, the clamp base 1 provided in this embodiment is provided with two positioning grooves, namely a first positioning groove 11 and a second positioning groove 10, the 10G TX mounting hole is positioned beside the first positioning groove 11, the 1G TX mounting hole and the 10G RX mounting hole are respectively positioned at two sides of the second positioning groove 10, and the 1G TX mounting hole is located at a side close to the 1G TX soft board, and the 10G RX mounting hole is located at a side close to the 10G RX soft board, as shown in fig. 1, when a device is installed on the first positioning groove 11, the 10G TX welding end face 71 of the device on the first positioning groove 11 is opposite to the 10G TX soft board 21 on the PCB when the PCB is installed on the PCB fixing groove 3 in the forward direction; as shown in fig. 6, when a device is mounted on the second positioning groove 10, the 1G TX soldering end surface 72 and the 10G RX soldering end surface 73 of the device on the second positioning groove 10 are respectively opposite to the 1G TX soft board 22 and the 10G RX soft board 23 on the PCB when the PCB is reversely mounted on the PCB fixing groove 3.
The working principle of the utility model is as follows:
1. firstly, welding a middle soft board, namely a 10G RX soft board 23, installing a PCB on the clamp base 1 in a forward direction, installing a device on a first positioning groove 11 on the clamp base 1, pressing the PCB after installation by using a PCB pressing block 8, and pressing a 10G RX pressing plate 64 on a 10G RX welding end face 73 of the device by adjusting a pressing plate rotating shaft so as to fix the device;
2. the staff operates a soldering iron to solder the 10G RX soft board 23 on the device;
3. loosening the PCB pressing block 8 and the 10G RX pressing plate 64, reversely installing the PCB, installing the device at the other end of the clamp, namely the second positioning groove 10, and respectively pressing the corresponding end surfaces of the device by the 10G TX pressing plate 44 and the 1G TX pressing plate 54 through the adjusting knob and the pressing plate rotating shaft;
4. the staff operates a soldering iron to solder the 10G TX soft board 21 and the 1G TX soft board 22 on the device;
5. and taking out the PCB and the device, and replacing the next set of materials.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a FPC and device three-dimensional welding jig, its characterized in that, anchor clamps include the anchor clamps base, the anchor clamps base upper end is leaned on the intermediate position and is seted up the PCB fixed slot for the fixed PCB that treats processing, it has 1G TX soft board, 10G RX soft board and 10G TX soft board to weld in advance on the PCB, the constant head tank that is used for fixed device is seted up to the anchor clamps base, the device has three welding end face, and 1G TX welding end face, 10G RX welding end face and 10G TX welding end face respectively, 1G TX soft board, 10G RX soft board and 10G TX soft board respectively with on the constant head tank device 1G TX welding end face, 10G RX welding end face and 10G TX welding end face are relative, still install the pressure equipment on the anchor clamps base, the pressure equipment constructs including being used for compressing tightly 1G TX soft board at the 1G TX welding end face of device 1G TX mechanism, A 10G RX press-fit mechanism used for pressing the 10G RX soft board on the 10GRX welding end surface of the device and a 10GTX press-fit mechanism used for pressing the 10G TX soft board on the 10G TX welding end surface of the device.
2. The FPC and device three-way welding fixture of claim 1, wherein the fixture base is further provided with a PCB pressing mechanism for pressing the PCB.
3. The FPC and device three-way welding fixture of claim 2, wherein the PCB pressing mechanism is a PCB pressing block, a pin hole is formed in one side of the fixture base, which is located on the PCB fixing groove, and the PCB pressing block is in pin connection with the fixture base through the pin hole.
4. The FPC and device three-way welding fixture of claim 1, wherein the press-fit mechanism comprises a press plate rotating shaft, an adjusting screw, a spring and a press plate, the fixture base is provided with a mounting hole of the corresponding press-fit mechanism beside the positioning groove, a through hole penetrating through the press plate rotating shaft is arranged in the middle of the press plate rotating shaft towards the axial direction, the adjusting screw penetrates through the through hole of the press plate rotating shaft and is in threaded connection with the bottom of the mounting hole, the maximum outer diameter of the press plate rotating shaft is larger than the inner diameter of the mounting hole, the spring is sleeved on the adjusting screw, one end of the spring is connected with the bottom of the mounting hole, the other end of the spring is connected with the press plate rotating shaft, the press plate is mounted on the press plate rotating shaft, and the front end of the press plate is opposite to the corresponding end face of the, and the end face of the fastener piece is pressed under the action of the contraction force of the spring.
5. The FPC and device three-way welding fixture of claim 4, wherein the front end of the pressure plate is annular.
6. The FPC and device three-way welding fixture of claim 4, wherein the pressing plate rotation shaft comprises a first rotation shaft having a first outer diameter and a second rotation shaft having a second outer diameter, the first outer diameter is larger than the inner diameter of the mounting hole, the second outer diameter is smaller than the inner diameter of the mounting hole, and the adjusting screw is threaded to the bottom of the mounting hole after sequentially passing through the first rotation shaft and the second rotation shaft.
7. The FPC and device three-way welding fixture of claim 6, wherein the outer diameter of the screw head of the adjusting screw is larger than the inner diameter of the through hole of the pressing plate rotating shaft.
8. The FPC and device three-way welding fixture of claim 1, wherein the fixture base is provided with two positioning slots, namely a first positioning slot and a second positioning slot, when a device is mounted on the first positioning slot, the 10G TX welding end surface of the device on the first positioning slot is opposite to the 10G TX soft board on the PCB when the PCB is positively mounted on the PCB fixing slot; when the device is installed on the second positioning groove, the 1G TX welding end face and the 10G RX welding end face of the device on the second positioning groove are respectively opposite to the 1G TX soft board and the 10G RX soft board on the PCB when the PCB is reversely installed on the PCB fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897201.4U CN210548704U (en) | 2019-06-14 | 2019-06-14 | FPC and device three-dimensional welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897201.4U CN210548704U (en) | 2019-06-14 | 2019-06-14 | FPC and device three-dimensional welding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210548704U true CN210548704U (en) | 2020-05-19 |
Family
ID=70668090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920897201.4U Active CN210548704U (en) | 2019-06-14 | 2019-06-14 | FPC and device three-dimensional welding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210548704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441805A (en) * | 2021-06-29 | 2021-09-28 | 昂纳信息技术（深圳）有限公司 | FPC (Flexible printed Circuit) separation device, system and method |
-
2019
- 2019-06-14 CN CN201920897201.4U patent/CN210548704U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441805A (en) * | 2021-06-29 | 2021-09-28 | 昂纳信息技术（深圳）有限公司 | FPC (Flexible printed Circuit) separation device, system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210548704U (en) | FPC and device three-dimensional welding jig | |
| CN210010570U (en) | Frock of supplementary installation charging device MOS pipe | |
| CN208111587U (en) | clamping device | |
| CN116900442A (en) | Fixing tool for IGBT module and IGBT module assembling process | |
| CN211406489U (en) | Auxiliary fixing device for welding | |
| CN211219053U (en) | Welding jig | |
| CN211804294U (en) | Reflow soldering clamp | |
| CN211638047U (en) | Be applied to two-way riveting set that touches finger plug | |
| CN215942152U (en) | Manual clamping adds clamping apparatus | |
| CN216488967U (en) | Riveting device is used in production of puncture fastener | |
| CN220388181U (en) | Tin dragging sheet structure of wave soldering furnace jig | |
| CN220498422U (en) | Double-hole gasket batched drilling tool | |
| CN217241069U (en) | Pressing device for printing back plate | |
| CN210549633U (en) | Workpiece pressing device | |
| CN116984913B (en) | Positioning device of half shaft and half shaft processing equipment | |
| CN211637946U (en) | Material stripping device for punching electric iron accessories | |
| CN111031707B (en) | Welding auxiliary fixing device and welding method of PCB module | |
| CN220161659U (en) | Mobile phone accessory welding jig | |
| CN209982867U (en) | Heating device of SMT reflow soldering machine | |
| CN213530447U (en) | Press fit jig | |
| CN214979340U (en) | Multi-station machining clamp for small workpieces | |
| CN215967527U (en) | Multi-process quick positioning machining clamp | |
| CN212947440U (en) | Clamp compression positioning assembly | |
| CN209982836U (en) | PCB board drilling plate frock clamp | |
| CN210742563U (en) | Spacing lower fixture of laser coupling platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |