CN213547923U - Turnover tool for circuit board machining - Google Patents
Turnover tool for circuit board machining Download PDFInfo
- Publication number
- CN213547923U CN213547923U CN202021977487.6U CN202021977487U CN213547923U CN 213547923 U CN213547923 U CN 213547923U CN 202021977487 U CN202021977487 U CN 202021977487U CN 213547923 U CN213547923 U CN 213547923U
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- Prior art keywords
- fixedly connected
- circuit board
- supporting
- turnover tool
- bearing
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- 230000007306 turnover Effects 0.000 title claims description 16
- 238000003754 machining Methods 0.000 title description 4
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The utility model discloses a circuit board processing is with upset frock belongs to circuit board processing technology field, and it is including supporting the base, the front of supporting the base and the back fixed connection of backup pad, the lower surface of backup pad is connected with the last fixed surface of ratch, the front of supporting the base and the back fixed connection of four fixed plates, two the equal joint of opposite face of fixed plate has first bearing, two same driving roller, left side have been cup jointed to the internal surface of first bearing the top of driving roller and the output shaft fixed connection of motor. This upset frock is used in circuit board processing through setting up motor, driving roller, conveyer belt, gear, ratch, first pivot and carriage for this device can reach the work of automatic upset circuit board body, does not need staff manual operation, makes the operation process fairly simple, has saved the time, has improved the efficiency of processing, thereby has made things convenient for the work of use.
Description
Technical Field
The utility model belongs to the technical field of circuit board processing, specifically be a circuit board processing is with upset frock.
Background
In the in-process of processing the circuit board, in order to avoid the in-process circuit board of processing to take place the displacement and influence processingquality's problem, often need fix its centre gripping earlier, just can process one of them face, reuse anchor clamps after taking off the upset with it after the processing is accomplished again and fix, just can process the another face, make the operation process comparatively troublesome, and waste time, make machining efficiency lower, be not convenient for use, therefore, need a circuit board processing of being convenient for quick upset to solve above-mentioned problem with the upset frock.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the above defect of prior art, the utility model provides a circuit board processing is with upset frock has solved the in-process of carrying out processing to the two-sided of circuit board, and the anchor clamps of using are difficult to realize quick upset for operation process is comparatively troublesome, and waste time makes machining efficiency lower, the not convenient to use's problem moreover.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit board processing is with upset frock, includes the support base, the front of support base and the back fixed connection of backup pad, the lower surface of backup pad is connected with the last fixed surface of ratch, the front of support base and the back fixed connection of four fixed plates, two the equal joint of opposite face of fixed plate has first bearing, two same driving roller, left side have been cup jointed to the internal surface of first bearing the top of driving roller and the output shaft fixed connection of motor.
The upper surface of motor and the lower fixed surface of backup pad are connected, two the driving roller passes through the conveyer belt transmission and connects, the front of conveyer belt and two mounts of the equal fixedly connected with in the back, the upper surface and the equal joint of lower surface of mount have the second bearing, the internal surface of second bearing has cup jointed first pivot, top the surface joint of first pivot has the gear, two the opposite face of first pivot respectively with the upper and lower two fixed surface of carriage be connected.
The upper surface of carriage and positioner's lower fixed surface is connected, the positioner joint is two in the upper surface of mount, the place ahead the upper surface of positioner and the lower surface overlap joint of stripper plate, the right flank of carriage inner wall and strutting arrangement's right flank fixed connection, strutting arrangement's the front and the left flank overlap joint with the back and the right flank of circuit board body respectively, the back and the left flank of circuit board body overlap joint with clamping device's front and right flank respectively, the clamping device joint is at the left surface of carriage.
As a further aspect of the present invention: the supporting device comprises a placing plate, the right side face of the placing plate is fixedly connected with the right side face of the inner wall of the supporting frame, a first rubber pad is fixedly connected to the inner surface of the placing plate, and the front face and the left side face of the first rubber pad are respectively in lap joint with the back face and the right side face of the circuit board body.
As a further aspect of the present invention: the back of the fixing frame is fixedly connected with the front of the supporting seat, and the back of the supporting seat is fixedly connected with the front of the conveying belt.
As a further aspect of the present invention: the positioning device comprises two positioning sleeves, two positioning sleeves are fixedly connected to the upper surface of the supporting frame and the right side of the supporting frame respectively, a sliding rod is arranged in each positioning sleeve, a sliding sleeve is sleeved on the outer surface of the sliding rod, the sliding sleeve is connected to the upper surface of the fixing frame in a clamped mode, the upper surface of the sliding sleeve is fixedly connected with the bottom end of the spring, the top end of the spring is fixedly connected with the lower surface of the connecting block, the spring is sleeved on the outer surface of the sliding rod, the top end of the sliding rod is fixedly connected with the lower surface of the connecting block, the upper surface of the connecting block is fixedly connected with the lower surface of the pulley, and the upper.
As a further aspect of the present invention: clamping device includes the screw cap, the screw cap joint is at the left surface of carriage, the internal surface threaded connection of screw cap has the screw thread post, the left end fixedly connected with of screw thread post changes the handle, the right-hand member fixedly connected with second pivot of screw thread post, the surface of second pivot has cup jointed the third bearing, the right flank fixedly connected with grip block of third bearing, the internal surface fixedly connected with second rubber pad of grip block, the second rubber pad overlap joint is at the back and the left surface of circuit board body.
As a further aspect of the present invention: two telescopic links of left surface fixedly connected with of grip block, two the equal fixed connection of telescopic link is at the left surface of carriage inner wall.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. this upset frock is used in circuit board processing, through setting up the motor, the driving roller, the conveyer belt, the gear, the ratch, first pivot and carriage, during the use, it rotates to drive the driving roller through control motor, the conveyer belt carries the circuit board body right to suitable position simultaneously, the work that can process this moment, during the upset, staff's motor of controlling again drives the conveyer belt and carries the circuit board body right, make the gear drive first pivot upset under the effect of ratch, make the carriage drive circuit board body overturn, can carry out the work of processing to the circuit board another side this moment, make this device can reach the work of automatic upset circuit board body, do not need staff manually operation, make operation process fairly simple, save the time, the efficiency of processing is improved, thereby the work of use has been made things convenient for.
2. This upset frock is used in circuit board processing changes through setting up handle, screw thread post and grip block, rotates the screw thread post through changeing for the screw thread post promotes the grip block and carries out the centre gripping to the circuit board body, has guaranteed the fastness of circuit board body centre gripping, thereby makes things convenient for the follow-up work of overturning of circuit board body.
3. This upset frock is used in circuit board processing through setting up stripper plate, pulley and slide bar for the pulley can slide on the stripper plate, and the stripper plate can push the slide bar into in the position sleeve through the pulley simultaneously, thereby can be to the rigidity of carriage, avoids the carriage to produce the problem of upset, has further guaranteed the work of follow-up circuit board body normal processing.
4. This upset frock is used in circuit board processing through setting up the spring, when the stripper plate was kept away from to the pulley for the spring can utilize the elasticity of self to promote the slide bar upwards to break away from the position sleeve, thereby can guarantee the work of the normal upset processing of fixed frame, makes the operation work of this device more simple and direct, has made things convenient for staff's work.
5. This upset frock is used in circuit board processing through setting up first rubber pad and second rubber pad, and first rubber pad and second rubber pad self have the compliance for first rubber pad and second rubber pad can with circuit board body flexonics, appear damaging when avoiding circuit board body centre gripping, thereby can play good guard action to the circuit board body.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic structural view of the present invention viewed from the bottom;
FIG. 3 is a schematic view of a front view of the positioning device of the present invention;
FIG. 4 is a schematic view of a front view of the clamping device of the present invention;
in the figure: the device comprises a supporting base 1, a supporting plate 2, a toothed bar 3, a fixing plate 4, a first bearing 5, a driving roller 6, a conveying belt 7, a fixing frame 8, a second bearing 9, a first rotating shaft 10, a gear 11, a squeezing plate 12, a positioning device 13, a pulley 131, a connecting block 132, a spring 133, a sliding sleeve 134, a sliding rod 135, a positioning sleeve 136, a supporting device 14, a placing plate 141, a first rubber pad 142, a circuit board body 15, a supporting frame 16, a clamping device 17, a second rubber pad 171, a clamping plate 172, a second rotating shaft 173, a third bearing 174, a telescopic rod 175, a threaded cap 176, a threaded column 177, a rotating handle 178, a motor 18 and a supporting seat 19.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-4, the utility model provides a technical solution: a turnover tool for processing a circuit board comprises a supporting base 1, wherein the front side of the supporting base 1 is fixedly connected with the back side of a supporting plate 2, the lower surface of the supporting plate 2 is fixedly connected with the upper surface of a toothed bar 3, the front side of the supporting base 1 is fixedly connected with the back sides of four fixing plates 4, the fixing plates 4 are arranged and can carry out height erection work on a driving roller 6, so that the turnover tool is convenient to use, first bearings 5 are clamped on the opposite surfaces of the two fixing plates 4, the first bearings 5 can ensure that the driving roller 6 rotates more stably by arranging the first bearings 5, the same driving roller 6 is sleeved on the inner surfaces of the two first bearings 5, the top end of the driving roller 6 on the left side is fixedly connected with an output shaft of a motor 18, the driving roller 6 and a conveying belt 7 are arranged, and the driving roller 6 is driven to rotate by controlling the motor 18, thereby can drive conveyer belt 7 and carry the work of circuit board body 15, further make things convenient for circuit board body 15 to carry the work of processing.
The upper surface of the motor 18 is fixedly connected with the lower surface of the supporting plate 2, the two driving rollers 6 are in transmission connection through the conveying belt 7, the front surface and the back surface of the conveying belt 7 are both fixedly connected with two fixing frames 8, the upper surface and the lower surface of each fixing frame 8 are both clamped with a second bearing 9, the inner surface of each second bearing 9 is sleeved with a first rotating shaft 10, by arranging the first rotating shaft 10 and the second bearing 9, the first bearing 5 can provide a supporting point for the rotation of the first rotating shaft 10, so as to ensure the stability of the rotation of the supporting frame 16, the outer surface of the upper first rotating shaft 10 is clamped with the gear 11, by providing the gear 11 and the rack bar 3, and the gear 11 can rotate under the action of meshing with the rack bar 3, therefore, the work of automatically turning the supporting frame 16 can be achieved, the work of workers is facilitated, and the opposite surfaces of the two first rotating shafts 10 are fixedly connected with the upper surface and the lower surface of the supporting frame 16 respectively.
The upper surface of carriage 16 and positioner 13's lower surface fixed connection, positioner 13 joint is at the upper surface of mount 8, the upper surface of two positioner 13 in the place ahead and the lower surface overlap joint of stripper plate 12, the right flank of carriage 16 inner wall and strutting arrangement 14's right flank fixed connection, strutting arrangement 14's front and left flank overlap joint with the back and the right flank of circuit board body 15 respectively, the back and the left flank of circuit board body 15 overlap joint with clamping device 17's front and right flank respectively, clamping device 17 joint is at the left surface of carriage 16.
Specifically, as shown in fig. 1, the supporting device 14 includes a placing plate 141, the placing plate 141 is disposed, and the placing plate 141 is configured in a U shape, so that the circuit board body 15 can be supported and placed, a right side surface of the placing plate 141 is fixedly connected with a right side surface of an inner wall of the supporting frame 16, a first rubber pad 142 is fixedly connected to an inner surface of the placing plate 141, and a front surface and a left side surface of the first rubber pad 142 are respectively overlapped with a back surface and a right side surface of the circuit board body 15.
Specifically, as shown in fig. 2, the back of the fixing frame 8 is fixedly connected with the front of the supporting seat 19, and the supporting seat 19 is arranged to increase the contact area between the fixing frame 8 and the conveying belt 7, so as to ensure the fixing firmness of the fixing frame 8 and the front of the supporting seat 19 is fixedly connected with the front of the conveying belt 7.
Specifically, as shown in fig. 3, the positioning device 13 includes two positioning sleeves 136, the two positioning sleeves 136 are both fixedly connected to the upper surface of the supporting frame 16, a sliding rod 135 is disposed in the right positioning sleeve 136, a sliding sleeve 134 is sleeved on the outer surface of the sliding rod 135, the sliding rod 135 can slide more stably in the sliding sleeve 134 by disposing the sliding sleeve 134, so as to ensure that the sliding rod 135 can be smoothly clamped into the positioning sleeve 136 for work, the sliding sleeve 134 is clamped on the upper surface of the fixing frame 8, the upper surface of the sliding sleeve 134 is fixedly connected with the bottom end of the spring 133, by disposing the spring 133, when the pulley 131 is far away from the extrusion plate 12, the spring 133 can push the sliding rod 135 to be separated upward from the positioning sleeve 136 by using its own elastic force, so as to ensure the normal turnover work of the supporting frame 16, so that the operation of the device is simpler and more convenient for the work of the working personnel, the top end, spring 133 cup joints the surface at slide bar 135, the top of slide bar 135 and the lower fixed surface of connecting block 132 are connected, the upper surface of connecting block 132 and the lower fixed surface of pulley 131 are connected, through setting up stripper plate 12, pulley 131 and slide bar 135, make pulley 131 can slide on stripper plate 12, stripper plate 12 can push slide bar 135 into position sleeve 136 through pulley 131 simultaneously, thereby can be to the rigidity of carriage 16, avoid carriage 16 to produce the problem of upset, the work of follow-up circuit board body 15 normal processing has further been guaranteed, the upper surface of pulley 131 and the upper surface overlap joint of stripper plate 12.
Specifically, as shown in fig. 4, the clamping device 17 includes a screw cap 176, the screw cap 176 is fastened to the left side of the supporting frame 16, a screw post 177 is screwed on the inner surface of the screw cap 176, the screw cap 176 and the screw post 177 are arranged, and the screw post 177 can be screwed into the right under the screw connection effect of the screw cap 176, so as to push the clamping plate 172 to clamp and fix the circuit board body 15, a rotating handle 178 is fixedly connected to the left end of the screw post 177, the rotating handle 178 is arranged, and the rotating handle 178 can provide a force application point for a worker, so as to facilitate the worker to control the work of the screw post 177, a second rotating shaft 173 is fixedly connected to the right end of the screw post 177, a third bearing 174 is sleeved on the outer surface of the second rotating shaft 173, by arranging the second rotating shaft 173 and the third bearing 174, and the second rotating shaft 173 can perform effective rotating work in the third bearing 174, thereby ensuring the normal rotation of the threaded column 177, the right side of the third bearing 174 is fixedly connected with the clamping plate 172, the clamping plate 17 is arranged, and the clamping plate 17 is arranged in a U shape, thereby supporting and placing the circuit board body 15, the inner surface of the clamping plate 172 is fixedly connected with the second rubber pad 171, the first rubber pad 142 and the second rubber pad 171 are arranged, and the first rubber pad 142 and the second rubber pad 171 have flexibility, so that the first rubber pad 142 and the second rubber pad 171 can flexibly contact with the circuit board body 15, thereby avoiding the damage of the circuit board body 15 during clamping, thereby having good protection function to the circuit board body 15, the second rubber pad 171 is lapped on the back and the left side of the circuit board body 15, the left side of the clamping plate 172 is fixedly connected with the two telescopic rods 175, by arranging the telescopic rods 175, and the telescopic rods 175 can ensure the stability of the left and right movement of the clamping plate 172, and both the telescopic rods 175 are fixedly connected to the left side surface of the inner wall of the supporting frame 16.
The utility model discloses a theory of operation does:
s1, when the circuit board clamping device needs to be used, a worker places the circuit board body 15 on the surface of the first rubber pad 142, and then rotates the rotating handle 178 to enable the rotating handle 178 to drive the threaded column 177 to rotate, the threaded column 177 is screwed in rightwards, the threaded column 177 pushes the clamping plate 172 to move rightwards, and the second rubber pad 171 can clamp and fix the circuit board body 15;
s2, controlling the motor 18 to work, enabling the motor 18 to drive the transmission roller 6 to rotate, enabling the transmission roller 6 to drive the transmission belt 7 to rotate, enabling the transmission belt 7 to convey the circuit board body 15 rightwards, enabling the pulley 131 to slide on the extrusion plate 12, enabling the pulley 131 to be extruded by the extrusion plate 12 to push the sliding rod 135 to move downwards, enabling the spring 133 to be compressed, enabling the sliding rod 135 to be clamped into the positioning sleeve 136, enabling the position of the supporting frame 16 to be fixed, then controlling the motor 18 to stop working, and then processing the circuit board body 15;
s3, when the circuit board needs to be turned over, the worker controls the motor 18 to continue working, so that the conveyer belt 7 conveys the circuit board body 15 rightwards, the pulley 131 keeps away from the pressing plate 12, the spring 133 drives the sliding rod 135 to separate from the positioning sleeve 136 by using its own elasticity, then the gear 11 drives the first rotating shaft 10 to rotate under the action of the rack bar 3, so that the first rotating shaft 10 drives the supporting frame 16 and the circuit board body 15 to turn over 180 °, the gear 11 separates from the rack bar 3, so that the pressing plate 12 pushes the sliding rod 135 into the positioning sleeve 136 through the pulley 131 again, and then the turning surface of the circuit board body 15 can be processed.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a circuit board processing is with upset frock, includes support base (1), its characterized in that: the front surface of the supporting base (1) is fixedly connected with the back surface of the supporting plate (2), the lower surface of the supporting plate (2) is fixedly connected with the upper surface of the toothed bar (3), the front surface of the supporting base (1) is fixedly connected with the back surfaces of four fixing plates (4), the opposite surfaces of the two fixing plates (4) are respectively clamped with a first bearing (5), the inner surfaces of the two first bearings (5) are sleeved with the same transmission roller (6), and the top end of the transmission roller (6) on the left side is fixedly connected with an output shaft of a motor (18);
the upper surface of the motor (18) is fixedly connected with the lower surface of the supporting plate (2), the two driving rollers (6) are in transmission connection through the conveying belt (7), the front surface and the back surface of the conveying belt (7) are fixedly connected with the two fixing frames (8), the upper surface and the lower surface of each fixing frame (8) are respectively clamped with a second bearing (9), the inner surface of each second bearing (9) is sleeved with a first rotating shaft (10), the outer surface of the first rotating shaft (10) above is clamped with a gear (11), and the opposite surfaces of the two first rotating shafts (10) are respectively fixedly connected with the upper surface and the lower surface of the supporting frame (16);
the upper surface of carriage (16) and the lower fixed surface of positioner (13) are connected, positioner (13) joint is two in the upper surface of mount (8), the place ahead the upper surface of positioner (13) and the lower surface overlap joint of stripper plate (12), the right flank of carriage (16) inner wall and the right flank fixed connection of strutting arrangement (14), the front and the left flank of strutting arrangement (14) respectively with the back and the right flank overlap joint of circuit board body (15), the back and the left flank of circuit board body (15) respectively with the front and the right flank overlap joint of clamping device (17), clamping device (17) joint is at the left flank of carriage (16).
2. The turnover tool for processing the circuit board as claimed in claim 1, wherein the turnover tool comprises: the supporting device (14) comprises a placing plate (141), the right side face of the placing plate (141) is fixedly connected with the right side face of the inner wall of the supporting frame (16), a first rubber pad (142) is fixedly connected to the inner surface of the placing plate (141), and the front face and the left side face of the first rubber pad (142) are respectively overlapped with the back face and the right side face of the circuit board body (15).
3. The turnover tool for processing the circuit board as claimed in claim 1, wherein the turnover tool comprises: the back of the fixing frame (8) is fixedly connected with the front of the supporting seat (19), and the back of the supporting seat (19) is fixedly connected with the front of the conveying belt (7).
4. The turnover tool for processing the circuit board as claimed in claim 1, wherein the turnover tool comprises: the positioning device (13) comprises two positioning sleeves (136), the two positioning sleeves (136) are fixedly connected to the upper surface of the supporting frame (16), a sliding rod (135) is arranged in the positioning sleeve (136) on the right side, the outer surface of the sliding rod (135) is sleeved with a sliding sleeve (134), the sliding sleeve (134) is clamped on the upper surface of the fixed frame (8), the upper surface of the sliding sleeve (134) is fixedly connected with the bottom end of the spring (133), the top end of the spring (133) is fixedly connected with the lower surface of the connecting block (132), the spring (133) is sleeved on the outer surface of the sliding rod (135), the top end of the sliding rod (135) is fixedly connected with the lower surface of the connecting block (132), the upper surface of the connecting block (132) is fixedly connected with the lower surface of the pulley (131), the upper surface of the pulley (131) is overlapped with the upper surface of the extrusion plate (12).
5. The turnover tool for processing the circuit board as claimed in claim 1, wherein the turnover tool comprises: clamping device (17) includes screw cap (176), screw cap (176) joint is at the left surface of carriage (16), the internal surface threaded connection of screw cap (176) has screw thread post (177), the left end fixedly connected with of screw thread post (177) changes handle (178), the right-hand member fixedly connected with second pivot (173) of screw thread post (177), third bearing (174) have been cup jointed to the surface of second pivot (173), the right flank fixedly connected with grip block (172) of third bearing (174), the internal surface fixedly connected with second rubber pad (171) of grip block (172), second rubber pad (171) overlap joint is at the back and the left surface of circuit board body (15).
6. The turnover tool for processing the circuit board as claimed in claim 5, wherein the turnover tool comprises: the left side of grip block (172) is fixedly connected with two telescopic links (175), two telescopic link (175) equal fixed connection is in the left surface of carriage (16) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021977487.6U CN213547923U (en) | 2020-09-11 | 2020-09-11 | Turnover tool for circuit board machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021977487.6U CN213547923U (en) | 2020-09-11 | 2020-09-11 | Turnover tool for circuit board machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213547923U true CN213547923U (en) | 2021-06-25 |
Family
ID=76491687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021977487.6U Expired - Fee Related CN213547923U (en) | 2020-09-11 | 2020-09-11 | Turnover tool for circuit board machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213547923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115922020A (en) * | 2023-02-23 | 2023-04-07 | 天津伍嘉联创科技发展股份有限公司 | Welding device for electronic components of circuit board |
| CN116939978A (en) * | 2023-09-14 | 2023-10-24 | 南通华隆微电子股份有限公司 | Leveling device for PCB processing |
-
2020
- 2020-09-11 CN CN202021977487.6U patent/CN213547923U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115922020A (en) * | 2023-02-23 | 2023-04-07 | 天津伍嘉联创科技发展股份有限公司 | Welding device for electronic components of circuit board |
| CN115922020B (en) * | 2023-02-23 | 2023-05-02 | 天津伍嘉联创科技发展股份有限公司 | Welding device for electronic components of circuit board |
| CN116939978A (en) * | 2023-09-14 | 2023-10-24 | 南通华隆微电子股份有限公司 | Leveling device for PCB processing |
| CN116939978B (en) * | 2023-09-14 | 2023-11-28 | 南通华隆微电子股份有限公司 | Leveling device for PCB processing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |