CN220233137U - Positioning device for chip packaging - Google Patents
Positioning device for chip packaging Download PDFInfo
- Publication number
- CN220233137U CN220233137U CN202321857778.5U CN202321857778U CN220233137U CN 220233137 U CN220233137 U CN 220233137U CN 202321857778 U CN202321857778 U CN 202321857778U CN 220233137 U CN220233137 U CN 220233137U
- Authority
- CN
- China
- Prior art keywords
- positioning
- chip
- support
- sliding
- motor
- 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
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 31
- 238000013016 damping Methods 0.000 claims description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The utility model relates to the field of integrated circuits, and discloses a positioning device for chip packaging, which comprises: the device comprises a support, a supporting table, a motor, a fixing rod, a first positioning assembly and a second positioning assembly, wherein the supporting table is fixedly arranged on the upper surface of the support and used for placing a chip to be positioned; the motor is connected with and drives the first positioning component, and the first positioning component is connected with and drives the second positioning component to move through the fixed rod; the first positioning component is used for positioning and clamping the chip along the x-axis direction through driving of the motor, and the second positioning component is used for positioning and clamping the chip along the y-axis direction through driving of the fixing rod. The positioning device for chip packaging has the technical effects of omnibearing positioning and clamping, good positioning effect, convenient operation, compact structure, wide application range and the like, can be widely applied to the chip packaging industry, and improves the accuracy and quality of chip packaging.
Description
Technical Field
The utility model relates to the field of integrated circuits, in particular to a chip packaging and positioning technology.
Background
In the field of microelectronic fabrication, chip packaging is an important process for connecting an integrated circuit chip to external circuitry and protecting the chip. In the chip packaging process, it is important to accurately position the chip, because incorrect positioning may cause packaging defects, thereby affecting the performance and reliability of the chip. Traditional chip packaging positioning devices often use simple mechanical structures for positioning, and the positioning devices possibly have defects in positioning precision and operation convenience, so that the requirements of the modern microelectronic manufacturing industry on high precision and high efficiency are difficult to meet.
To solve these problems, researchers have continuously tried to improve the design of chip package positioning devices. However, the existing design still has certain limitations, such as insufficient positioning precision, complex operation or complicated structure. Therefore, developing a chip package positioning device with high accuracy and operation convenience has important practical significance and market demands.
Disclosure of Invention
The present utility model is directed to a positioning device for chip packaging, which solves the above-mentioned problems in the prior art.
The application discloses positioner for chip packaging includes: the support, the supporting table, the motor, the fixing rod, the first positioning component and the second positioning component, wherein,
the supporting table is fixedly arranged on the upper surface of the support and used for placing a chip to be positioned;
the motor is connected with and drives the first positioning component, and the first positioning component is connected with and drives the second positioning component to move through the fixed rod; wherein,
the first positioning component is used for positioning and clamping the chip along the x-axis direction through driving of the motor, and the second positioning component is used for positioning and clamping the chip along the y-axis direction driven by the fixing rod.
In a preferred embodiment, the first positioning assembly comprises: the device comprises a sliding groove, a bidirectional threaded rod and moving frames, wherein the bidirectional threaded rod is rotatably installed in the support, two moving frames are installed on the bidirectional threaded rod in a threaded mode, and the two moving frames are slidably installed in the sliding groove.
In a preferred embodiment, each of the moving frames is fixedly connected with the fixing rod of the corresponding side so that the first positioning assembly and the second positioning assembly constitute a sliding assembly.
In a preferred embodiment, the first positioning assembly further comprises a first damping spring, a groove body and a first positioning block, wherein the groove bodies are respectively arranged on the two moving frames, one end of each first damping spring is fixedly connected to the corresponding groove body, and the other end of each first damping spring is fixedly connected to the corresponding first positioning block.
In a preferred embodiment, the second positioning assemblies are respectively disposed at two ends of the upper surface of the support along the y-axis direction, and each second positioning assembly comprises: the sliding frame is fixedly arranged on two sides of the upper surface of the support, sliding blocks are slidably arranged in each sliding frame, each sliding block is fixedly connected with the corresponding fixing rod on one side, one end of each transmission plate is rotatably arranged on the corresponding sliding block, and the other end of each transmission plate is rotatably arranged on the corresponding moving plate.
In a preferred embodiment, each of the second positioning assemblies further comprises: the device comprises a first damping spring and a first positioning block, wherein one end of the first damping spring is fixedly connected to the moving plate, and the other end of the first damping spring is fixedly connected to the first positioning block.
In a preferred embodiment, the stand further comprises a support block disposed on the bottom surface.
In a preferred embodiment, the support base has a rectangular plate shape or a square plate shape.
Compared with the prior art, the embodiment of the utility model has at least the following differences and effects:
the positioning device for chip packaging of the utility model comprises: the device comprises a support, a supporting table, a motor, a fixing rod, a first positioning assembly and a second positioning assembly, wherein the supporting table is fixedly arranged on the upper surface of the support and used for placing a chip to be positioned; the motor is connected with and drives the first positioning component, and the first positioning component is connected with and drives the second positioning component to move through the fixed rod; the positioning device for chip packaging has the technical effects of omnibearing positioning and clamping, good positioning effect, convenient operation, compact structure, wide application range and the like, can be widely applied to the chip packaging industry, and improves the accuracy and quality of chip packaging.
The numerous technical features described in the description of the present utility model are distributed among the various technical solutions, which can make the description too lengthy if all possible combinations of technical features of the present utility model (i.e., technical solutions) are to be listed. In order to avoid this problem, the technical features disclosed in the above summary, the technical features disclosed in the following embodiments and examples, and the technical features disclosed in the drawings may be freely combined with each other to constitute various new technical solutions (which are regarded as having been described in the present specification) unless such a combination of technical features is technically impossible. For example, in one example, feature a+b+c is disclosed, in another example, feature a+b+d+e is disclosed, and features C and D are equivalent technical means that perform the same function, technically only by alternative use, and may not be adopted simultaneously, feature E may be technically combined with feature C, and then the solution of a+b+c+d should not be considered as already described because of technical impossibility, and the solution of a+b+c+e should be considered as already described.
Drawings
Fig. 1 is a schematic structural view of a positioning device for chip packaging according to a first embodiment of the present utility model.
Fig. 2 is another schematic structural view of a positioning device for chip packaging according to a first embodiment of the present utility model.
Fig. 3 is a schematic view of a holder of a positioning device for chip packaging according to a first embodiment of the present utility model.
The same reference numbers are used throughout the drawings to reference like elements or structures, wherein:
1: a support;
2: a support block;
3: a sliding groove;
4: a support table;
5: a motor;
6: a two-way threaded rod;
7: a moving rack;
8: a tank body;
9: a first damping spring;
10: a second positioning block;
11: a fixed rod;
12: a carriage;
13: a sliding block;
14: a drive plate;
15: a moving plate;
16: a second damping spring;
17: and a second positioning block.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be understood by those skilled in the art that the technical solutions claimed in the claims of the present application may be implemented without these technical details and with various changes and modifications based on the following embodiments. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
First embodiment
Referring to fig. 1, 2 and 3, the positioning device for chip packaging of the present embodiment includes: the chip positioning device comprises a support 1, a supporting table 4, a motor 5, a fixing rod 11, a first positioning component and a second positioning component, wherein the supporting table 4 is fixedly arranged on the upper surface of the support 1 and used for placing a chip to be positioned; the motor 5 is connected with and drives the first positioning component, and the first positioning component is connected with and drives the second positioning component to move through the fixed rod 11; the first positioning component is used for positioning and clamping the chip along the x-axis direction through driving of the motor 5, and the second positioning component is used for positioning and clamping the chip along the y-axis direction through driving of the fixing rod 11.
More specifically, the first positioning assembly comprises: the sliding groove 3, the two-way threaded rod 6, remove frame 7, wherein, the two-way threaded rod 6 rotate install in the support 1, two remove frame 7 are installed to the screw thread on the two-way threaded rod 6, and two remove frame 7 all slidable mounting in the sliding groove 3.
Each of the moving frames 7 is fixedly connected with a fixing rod 11 at a corresponding side so that the first positioning assembly and the second positioning assembly form a sliding assembly.
Optionally, the first positioning assembly further includes a first damping spring 9, a groove body 8, and a first positioning block 10, where the groove bodies 8 are respectively disposed on the two moving frames 7, one end of each first damping spring 9 is fixedly connected to the corresponding groove body 8, and the other end of each first damping spring 9 is fixedly connected to the corresponding first positioning block 10.
Further, the second positioning components are respectively arranged at two ends of the upper surface of the support 1 along the y-axis direction, and each second positioning component comprises: the sliding frame 12, the sliding blocks 13, the driving plate 14 and the movable plate 15, wherein the sliding frames 12 are respectively and fixedly arranged on two sides of the upper surface of the support 1, the sliding blocks 13 are slidably arranged in each sliding frame 12, each sliding block 13 is fixedly connected with the corresponding fixing rod 11 on one side, one end of each driving plate 14 is rotatably arranged on the corresponding sliding block 13, and the other end of each driving plate 14 is rotatably arranged on the movable plate 15.
Optionally, each of the second positioning assemblies further comprises: a second damper spring 16 and a second positioning block 17, wherein one end of the second damper spring 16 is fixedly connected to the moving plate 15, and the other end of the second damper spring 16 is fixedly connected to the second positioning block 17.
Optionally, the support 1 further comprises a support block 2 arranged on the bottom surface.
Alternatively, the support table 4 may have a rectangular plate shape or a square plate shape.
Working principle:
when the chip positioning device is used, a chip to be positioned is firstly placed on the supporting table 4, then the motor 5 is started, the output shaft of the motor 5 drives the bidirectional threaded rod 6 to rotate, the rotation of the bidirectional threaded rod 6 drives the two moving frames 7 to move towards opposite directions, so that the two moving frames 7 are driven to move towards the center, the left and right directions of the chip, namely, the x-axis direction, are positioned and clamped, meanwhile, the movement of the two moving frames 7 can drive the four fixing rods 11 to move, at the moment, the four fixing rods 11 respectively drive the four sliding blocks 13 to move, and the movement of the four sliding blocks 13 can drive the moving plates 15 to move through the transmission plates 14, so that the two moving plates 15 respectively move towards opposite directions, and the front and rear directions of the chip, namely, the y-axis direction, are positioned and clamped, the chip is positioned and clamped in all directions, and the positioning effect is good, and the operation is convenient.
The technical effects are as follows:
firstly, the positioning device for chip packaging in the above embodiment realizes omnibearing positioning and clamping, and through the synergistic effect of the bidirectional threaded rod 6, the movable frame 7, the sliding component, the first positioning component and the second positioning component, the chip can be accurately positioned and stably clamped in the left-right direction and the front-back direction. This helps to improve the accuracy and quality of the chip package.
Further, the positioning device for chip packaging in the above embodiment has a good positioning effect, and the first damping spring 9 and the second damping spring 16 can buffer the pressure of the chip in the positioning process, so that the chip damage caused by the overlarge pressure is avoided. In addition, through the rotation of the motor 5 and the bidirectional threaded rod 6 which are precisely controlled, the precise control on the chip positioning can be realized, and the positioning effect is further improved.
Further, the positioning device for chip packaging in the above embodiment is convenient to operate, and a user can easily position and clamp the chip by starting the motor 5. The output shaft of the motor 5 drives the bidirectional threaded rod 6 to rotate, so that the whole positioning device is driven to automatically complete positioning and clamping of the chip, manual intervention is not needed, and the operation convenience is greatly improved.
Furthermore, the positioning device for chip packaging in the above embodiment has a compact structure, and a plurality of components such as a motor, a bidirectional threaded rod, a moving frame, a sliding component, a positioning component and the like are compactly combined together, so that the function of positioning and clamping chips is realized. This makes the whole device occupy less space, and is convenient for installation and use.
Furthermore, the positioning device for chip packaging has wide application range, is suitable for chip packaging of various sizes, and has higher practicability. The positioning and clamping of chips with different sizes can be realized by adjusting the relative positions of the parts such as the bidirectional threaded rod 6, the movable frame 7 and the like, and the device has better universality and adaptability.
In summary, the positioning device for chip packaging provided by the utility model has the technical effects of omnibearing positioning and clamping, good positioning effect, convenience in operation, compact structure, wide application range and the like, and can be widely applied to the chip packaging industry to improve the accuracy and quality of chip packaging.
In order to better understand the technical solutions of the present application, the following description is given with reference to a specific example, in which details are listed mainly for the sake of understanding, and are not meant to limit the scope of protection of the present application.
As shown in fig. 1 and 2, the positioning device for chip packaging includes: support 1, support 1's bottom fixedly connected with supporting shoe 2, and slide groove 3 has been seted up at support 1's top, support 1's top fixedly connected with brace table 4, one side fixedly connected with power equipment of support 1, and threaded mounting has first locating component on the power equipment, two sliding component of fixedly connected with on the first locating component, and all rotate on two sliding component and install second locating component.
Specifically, the power equipment comprises a motor 5 fixedly connected to one side of the support 1, and a bidirectional threaded rod 6 is fixedly connected to an output shaft of the motor 5.
The bidirectional threaded rod 6 is rotatably arranged in the support 1, two movable frames 7 are arranged on the bidirectional threaded rod 6 in a threaded manner, and the two movable frames 7 are slidably arranged in the sliding groove 3.
The first positioning component comprises groove bodies 8 which are arranged on the two movable frames 7, the two groove bodies 8 are fixedly connected with first damping springs 9, and the two first damping springs 9 are fixedly connected with first positioning blocks 10.
The two sliding components comprise two fixing rods 11, and the four fixing rods 11 are fixedly connected with the two movable frames 7 respectively.
The top fixedly connected with four carriage 12 of support 1, and all slidable mounting has sliding block 13 in four carriage 12, and four sliding block 13 respectively with four dead lever 11 fixed connection.
The two second positioning components comprise two transmission plates 14, the four transmission plates 14 are respectively and rotatably arranged on the four sliding blocks 13, the four transmission plates 14 are respectively and rotatably provided with two movable plates 15, the two movable plates 15 are fixedly connected with second damping springs 16, and the two second damping springs 16 are fixedly connected with second positioning blocks 17.
Working principle:
when the chip is used, the chip is placed on the supporting table 4, then the motor 5 is started, the output shaft of the motor 5 drives the bidirectional threaded rod 6 to rotate, the rotation of the bidirectional threaded rod 6 drives the two moving frames 7 to move towards opposite directions, so that the two moving frames 7 are driven to move towards the center, the left and right directions of the chip are positioned and clamped, meanwhile, the movement of the two moving frames 7 can drive the four fixing rods 11 to move, at the moment, the four fixing rods 11 respectively drive the four sliding blocks 13 to move, the movement of the four sliding blocks 13 can drive the moving plates 15 to move through the transmission plate 14, and accordingly the two moving plates 15 respectively move towards opposite directions, the front and rear directions of the chip are positioned and clamped, and the chip is positioned and clamped in all directions.
In other embodiments of the present application, further improvements may be made in the technology of the above embodiments, and specifically, a worm gear reducer may be fixedly connected to the output shaft of the motor 5. The worm gear reducer has high transmission efficiency and a large reduction ratio, and can effectively improve the output performance of the motor 5.
In addition, a controller can be arranged on the worm gear reducer. The controller can realize the adjustment of the working state of the motor 5 by monitoring the load condition of the motor 5 in real time. When the controller detects that the load of the motor 5 is too high, it controls the worm gear reducer to reduce the output shaft of the motor 5 so as to reduce the output power and disperse the instantaneous load, thereby effectively preventing the motor 5 from being damaged under the condition of long-time high-load operation.
The improvement scheme not only can prolong the service life of the whole device, but also can avoid equipment faults caused by the damage of the motor 5, thereby improving the operation reliability and safety of the equipment. Meanwhile, by adjusting the load of the motor 5, the effective utilization of energy can be realized, the energy consumption is reduced, and the development concept of energy conservation and environmental protection is met.
It should be noted that all documents mentioned in this application are incorporated by reference as if each were individually incorporated by reference. Further, it will be appreciated that various changes and modifications may be made by those skilled in the art after reading the above teachings, and such equivalents are intended to fall within the scope of the claims appended hereto.
Moreover, in the claims and the description of this patent, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. In the claims and the description of this patent, if it is mentioned that an action is performed according to an element, it means that the action is performed at least according to the element, and two cases are included: the act is performed solely on the basis of the element and is performed on the basis of the element and other elements.
While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (8)
1. A positioning device for chip packaging, comprising: the support, the supporting table, the motor, the fixing rod, the first positioning component and the second positioning component, wherein,
the supporting table is fixedly arranged on the upper surface of the support and used for placing a chip to be positioned;
the motor is connected with and drives the first positioning component, and the first positioning component is connected with and drives the second positioning component to move through the fixed rod; wherein,
the first positioning component is used for positioning and clamping the chip along the x-axis direction through driving of the motor, and the second positioning component is used for positioning and clamping the chip along the y-axis direction driven by the fixing rod.
2. The apparatus of claim 1, wherein the first positioning assembly comprises: the device comprises a sliding groove, a bidirectional threaded rod and moving frames, wherein the bidirectional threaded rod is rotatably installed in the support, two moving frames are installed on the bidirectional threaded rod in a threaded mode, and the two moving frames are slidably installed in the sliding groove.
3. The apparatus of claim 2, wherein each of the moving frames is fixedly coupled to the fixed bar of the corresponding side such that the first positioning assembly and the second positioning assembly constitute a sliding assembly.
4. The apparatus of claim 3, wherein the first positioning assembly further comprises first damper springs, a groove body, and first positioning blocks, wherein the groove bodies are respectively arranged on two moving frames, one end of each first damper spring is fixedly connected to the corresponding groove body, and the other end of each first damper spring is fixedly connected to the corresponding first positioning block.
5. The apparatus of claim 4, wherein the second positioning members are disposed at both ends of the upper surface of the support in the y-axis direction, respectively, each of the second positioning members comprising: the sliding frame is fixedly arranged on two sides of the upper surface of the support, sliding blocks are slidably arranged in each sliding frame, each sliding block is fixedly connected with the corresponding fixing rod on one side, one end of each transmission plate is rotatably arranged on the corresponding sliding block, and the other end of each transmission plate is rotatably arranged on the corresponding moving plate.
6. The apparatus of claim 5, wherein each of said second positioning assemblies further comprises: the device comprises a first damping spring and a first positioning block, wherein one end of the first damping spring is fixedly connected to the moving plate, and the other end of the first damping spring is fixedly connected to the first positioning block.
7. The apparatus of claim 1, wherein the stand further comprises a support block disposed on the bottom surface.
8. The apparatus of claim 1, wherein the support table is rectangular plate-like or square plate-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857778.5U CN220233137U (en) | 2023-07-14 | 2023-07-14 | Positioning device for chip packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857778.5U CN220233137U (en) | 2023-07-14 | 2023-07-14 | Positioning device for chip packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220233137U true CN220233137U (en) | 2023-12-22 |
Family
ID=89197084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321857778.5U Active CN220233137U (en) | 2023-07-14 | 2023-07-14 | Positioning device for chip packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220233137U (en) |
-
2023
- 2023-07-14 CN CN202321857778.5U patent/CN220233137U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220233137U (en) | Positioning device for chip packaging | |
| CN211148719U (en) | Printed circuit board test fixture | |
| CN112238358A (en) | Machining work piece clamping device | |
| CN111037185A (en) | Automatic change door frame welding equipment | |
| CN217831949U (en) | Drilling equipment is used in machine parts production | |
| CN212070515U (en) | Clamping device for machining inclined holes of airplane parts | |
| CN214162922U (en) | Rotatable fixture workbench | |
| CN114096067A (en) | Clamping tool for circuit board | |
| CN112959105A (en) | Numerical control machining clamp for thin plate | |
| CN217493412U (en) | Automatic centering internal stay formula device | |
| CN221088133U (en) | Stop valve processing positioning fixture | |
| CN215148016U (en) | Polishing equipment based on aluminum product surface machining | |
| CN220525943U (en) | Chip elasticity test fixture | |
| CN218947450U (en) | Clamping fixture for lithium battery processing | |
| CN220739938U (en) | Platform for processing electronic components | |
| CN220523443U (en) | Pipeline positioning bracket for water supply and drainage engineering | |
| CN220807277U (en) | Positioning device for processing one-way valve | |
| CN220718583U (en) | Adjustable water meter machining clamp | |
| CN212872679U (en) | Tool jig for durability test of electric tool | |
| CN220612812U (en) | Adjustable welding fixture | |
| CN220362065U (en) | Multi-size universal semi-automatic chamfering machine | |
| CN220407620U (en) | Welding equipment | |
| CN218747584U (en) | Clamp sliding support | |
| CN215698099U (en) | Automatic counter bore processing equipment in multiaxis hole | |
| CN220963230U (en) | Electron microscopic quality inspection mirror for detecting copper lines of guide strip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |