CN110798989B - A circuit board printing jig - Google Patents
A circuit board printing jig Download PDFInfo
- Publication number
- CN110798989B CN110798989B CN201911154401.1A CN201911154401A CN110798989B CN 110798989 B CN110798989 B CN 110798989B CN 201911154401 A CN201911154401 A CN 201911154401A CN 110798989 B CN110798989 B CN 110798989B
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- jig
- air
- bottom plate
- negative pressure
- air port
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- 238000007639 printing Methods 0.000 title claims abstract description 35
- 238000001179 sorption measurement Methods 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Screen Printers (AREA)
Abstract
本发明公开了一种电路板印刷治具，涉及电路板印刷相关领域，为解决现有技术中的负压吸附无边框PCB板的方式有一定弊端，吸附力不均匀，吸附位置与标准位置之间有差值的问题。所述治具底板中间的下端设置有治具封板，所述治具封板与治具底板之间设置有治具围板，所述治具封板下端的中间安装有总风管，所述治具封板上端面的中间设置有第一风口，所述第一风口的外侧设置有第二风口，且第二风口设置有多组，所述第二风口的外侧设置有第三风口，且第一风口、多组第二风口以及第三风口的直径依次增加，第一风口、第二风口和第三风口均与总风管连通，第一风口、第二风口和第三风口与总风管之间形成导风通道，导风通道设置在治具封板的内部。
The present invention discloses a circuit board printing jig, which relates to the field related to circuit board printing, and is intended to solve the problems that the negative pressure adsorption method of a frameless PCB board in the prior art has certain drawbacks, uneven adsorption force, and a difference between the adsorption position and the standard position. A jig sealing plate is arranged at the lower end in the middle of the jig bottom plate, a jig enclosure is arranged between the jig sealing plate and the jig bottom plate, a main air duct is installed in the middle of the lower end of the jig sealing plate, a first air outlet is arranged in the middle of the upper end surface of the jig sealing plate, a second air outlet is arranged on the outside of the first air outlet, and multiple groups of the second air outlet are arranged, a third air outlet is arranged on the outside of the second air outlet, and the diameters of the first air outlet, multiple groups of second air outlets and the third air outlet are increased in sequence, the first air outlet, the second air outlet and the third air outlet are all connected to the main air duct, and an air guide channel is formed between the first air outlet, the second air outlet and the third air outlet and the main air duct, and the air guide channel is arranged inside the jig sealing plate.
Description
Technical Field
The invention relates to the related field of circuit board printing, in particular to a circuit board printing jig.
Background
The jig is mainly used as a tool for assisting in controlling the position or the motion (or both). The printing jig is usually a tool for bearing and fixing the PCB in the printing process, the printing jig is required to have certain stability in printing, the phenomenon that the printing process cannot deviate is guaranteed, the heat distribution of the PCB is guaranteed to be even on the basis of keeping the supporting stability, and the existing printing jig for supporting the PCB is basically supported in a region where no component is arranged on the PCB.
But the fixing mode of the PCB board by the printing jig is simpler, including fixing the PCB frame, but most of the PCB boards are in the stage of fine manufacturing at present, and are generally borderless, and the PCB board is generally fixed by adopting a negative pressure adsorption mode, but the negative pressure adsorption has certain defects, the adsorption force at the position close to the tuyere is strong, the adsorption force at the position far away from the tuyere is weak, the fixing of the PCB board by the jig is possibly influenced by the uneven adsorption effect, and the influence of the adsorption position on the printing effect is ignored, so that the market is urgently required to develop a circuit board printing jig to help people solve the existing problems.
Disclosure of Invention
The invention aims to provide a circuit board printing jig which solves the problems that the negative pressure adsorption mode for adsorbing a borderless PCB provided in the background technology has certain defects, the adsorption force is uneven and the difference exists between the adsorption position and the standard position.
In order to achieve the above purpose, the circuit board printing jig comprises a jig bottom plate, wherein a jig sealing plate is arranged at the lower end in the middle of the jig bottom plate, a jig coaming is arranged between the jig sealing plate and the jig bottom plate, the jig coaming and the jig sealing plate are integrally formed, a total air pipe is arranged in the middle of the lower end of the jig sealing plate, a first air port is arranged in the middle of the upper end face of the jig sealing plate, a second air port is arranged at the outer side of the first air port, a plurality of groups of second air ports are arranged, a third air port is arranged at the outer side of the second air port, the diameters of the first air port, the second air port and the third air port are sequentially increased, the first air port, the second air port and the third air port are communicated with the total air pipe, an air guide channel is formed between the first air port, the second air port and the total air pipe, the air guide channel is arranged in the jig sealing plate, a negative pressure cavity is formed between the jig sealing plate and the jig coaming, the upper end of the jig bottom plate is provided with a jig, and the jig top plate is attached to the top plate.
Preferably, a placing cavity is arranged in the middle of the upper end of the jig top plate, the size of the placing cavity is equal to that of the negative pressure cavity, the placing cavity is concave in the jig top plate, a negative pressure adsorption port is arranged on the lower end face of the placing cavity, a plurality of negative pressure adsorption ports are arranged, the negative pressure adsorption ports penetrate through the jig top plate, and the negative pressure adsorption ports are communicated with the negative pressure cavity.
Preferably, the outside in four right angle positions of placing the chamber is provided with the movable guide rail, and the movable guide rail slant sets up, and the movable guide rail runs through the tool roof, the internally mounted of movable guide rail has the holder.
Preferably, the clamping piece comprises a clamping plate, the clamping plate is located at the upper end of the movable guide rail, the width of the clamping plate is larger than that of the movable guide rail, the clamping plate comprises a preset notch, the preset notch is arranged to be rectangular in a stepped mode, the lower end of the clamping plate is provided with a movable screw rod, the movable screw rod is fixed with the clamping plate, the length of the movable screw rod is larger than the height of the jig top plate, the width of the movable screw rod is smaller than that of the movable guide rail, a lock nut is arranged on the outer side of the movable screw rod, and the lock nut is connected with the movable screw rod through threads, and the width of the lock nut is larger than that of the movable guide rail.
Preferably, the outside of negative pressure chamber up end is provided with the sealing washer, and the sealing washer sets up to the rectangle, the lower terminal surface of tool roof is provided with the recess, and recess and sealing washer match.
Preferably, the middle of four sides of the upper end surface of the jig bottom plate is provided with jig bottom plate fixing holes, fixing screws are arranged in the jig bottom plate fixing holes, each fixing screw comprises a screw head, and the screw heads are embedded into the jig bottom plate fixing holes after the fixing screws are connected with the jig bottom plate fixing holes through threads.
Preferably, a hexagonal embedding hole is formed in the outer side of the upper end of the negative pressure cavity, a round embedding hole is formed in the lower end of the hexagonal embedding hole, the movable screw rod is embedded into the round embedding hole, and the lock nut is embedded into the hexagonal embedding hole.
Preferably, four corner positions of the jig top plate are provided with jig top plate connecting holes, four corner positions of the jig bottom plate are provided with jig bottom plate connecting holes, and the jig top plate is connected with the jig bottom plate through connecting bolts.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, instead of a mode that the traditional negative pressure adsorption port directly adsorbs a PCB, a main air pipe is arranged below a jig sealing plate, a first air port, a second air port and a third air port are arranged on the jig sealing plate, the first air port, the second air port and the third air port are respectively communicated with the main air pipe to form adsorption channels, the diameters of the adsorption channels are different due to the fact that the diameters of the first air port, the second air port and the third air port are different, the diameters of the adsorption channels are sequentially increased from inside to outside, a negative pressure cavity and a plurality of negative pressure adsorption ports are arranged, during adsorption, a pipeline of an adsorption device is connected with the main air pipe, the first air port is close to the position of the main air pipe, the diameter of the first air port is minimum, the third air port is far away from the position of the main air pipe, but the diameter of the third air port is maximum, and the air volumes adsorbed by the first air port, the second air port and the third air port are approximately equal according to the corresponding changes of the lengths and diameters of the channels, so that the adsorption effects of the negative pressure adsorption ports on the PCB are relatively uniform, and the PCB placement stability is better;
2. According to the invention, the movable clamping pieces are arranged at the outer sides of the four right angles of the placing cavity, when printing is needed, the clamping pieces move at the moving guide rail, and the clamping pieces just are the sizes of the PCB when moving to one end of the moving guide rail, so that the position of the PCB can be kept at the standard position, then the PCB is fixed in a negative pressure adsorption mode of adsorption equipment, when printing is finally carried out, the position of the PCB is not different from the vertical direction of the printing position, just corresponds to the position of the PCB, the PCB is very stable when printing, the whole PCB waste reporting caused by the printing error of the PCB can be avoided, and the reject ratio of products is reduced;
3. in the invention, the sealing ring is arranged at the outer side of the negative pressure cavity, and the sealing is carried out when the jig top plate is connected with the jig bottom plate, so that after the jig top plate is connected with the jig bottom plate, no redundant gap is left except for a negative pressure adsorption port at the upper end and a first air port, a second air port and a third air port at the lower end, and the constant pressure of the negative pressure cavity is ensured when adsorption is carried out in the printing process, so that the adsorption stabilizing effect of the PCB is ensured;
4. According to the invention, the fixture bottom plate fixing holes and the hexagonal embedding holes are formed, so that when the fixture top plate and the fixture bottom plate are connected, the fixing screws and the lock nuts can be embedded, and therefore, no connecting member between the fixture top plate and the fixture bottom plate has influence on the sealing effect.
Drawings
FIG. 1 is a front view of a printed circuit board fixture according to the present invention;
FIG. 2 is a block diagram of the fixture base plate of the present invention;
FIG. 3 is a top view of the fixture base plate of the present invention;
FIG. 4 is a block diagram of the top plate of the jig of the present invention;
FIG. 5 is a top view of the top plate of the jig of the present invention;
fig. 6 is an overall structure diagram of the clamping member of the present invention.
In the figure, 1, a jig top plate; 2, a jig bottom plate, 3, a jig coaming, 4, a connecting bolt, 5, a fixing screw, 6, a total air pipe, 7, a jig bottom plate connecting hole, 8, a jig bottom plate fixing hole, 9, a hexagonal embedded hole, 10, a jig sealing plate, 11, a negative pressure cavity, 12, a sealing ring, 13, a first air port, 14, a second air port, 15, a third air port, 16, a jig top plate connecting hole, 17, a movable guide rail, 18, a placing cavity, 19, a negative pressure adsorption port, 20, a clamping piece, 21, a clamping plate, 22, a preset notch, 23, a movable screw, 24 and a locking nut.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-6, an embodiment of the present invention is provided: the utility model provides a circuit board printing jig, including tool bottom plate 2, the lower extreme in the middle of the tool bottom plate 2 is provided with tool shrouding 10, be provided with tool bounding wall 3 between tool shrouding 10 and the tool bottom plate 2, tool bounding wall 3 position is in the platform that should imbed printing device when printing equipment installs so that stability when improving the installation, and tool bottom plate 2, tool bounding wall 3 and tool shrouding 10 integrated into one piece, the total tuber pipe 6 is installed to the centre of tool shrouding 10 lower extreme, the centre of tool shrouding 10 up end is provided with first wind gap 13, the outside of first wind gap 13 is provided with second wind gap 14, and second wind gap 14 is provided with the multiunit, second wind gap 14 represents multiunit wind gap, unlimited its specific quantity, the outside of second wind gap 14 is provided with third wind gap 15, and the diameters of first wind gap 13, multiunit second wind gap 14 and third wind gap 15 increase in proper order, the first air port 13, the second air port 14 and the third air port 15 are all annular arrays, four air ports are arranged on each layer, every two adjacent layers of air ports are staggered by rotating 90 degrees, so that the adsorption force of each position in the negative pressure cavity 11 is basically equal, the phenomenon that vortex flow occurs in the middle of the adsorption force is avoided, the placed PCB can slightly rotate and deviate from the original position due to the fact that the vortex flow is small, the outer surface of the PCB is possibly damaged or scratched even if the vortex action is not equal, the first air port 13, the second air port 14 and the third air port 15 are communicated with the total air pipe 6, an air guide channel is formed among the first air port 13, the second air port 14 and the third air port 15 and the total air pipe 6, the air guide channel is arranged in the jig sealing plate 10, the negative pressure cavity 11 is formed between the jig sealing plate 10 and the jig sealing plate 3, the upper end of the jig bottom plate 2 is provided with a jig top plate 1, and the jig top plate 1 is attached to the jig bottom plate 2.
Under the same volume flow, the cross section area is inversely proportional to the flow velocity, but the gas is different from the liquid, and the gas also has compression volume loss, so the length of the air guide channel between the third air port 15 far away from the total air pipe 6 and the total air pipe 6 is longer, but in practical situations, the air guide channel has multiple factors to influence, and is not theoretical values in a standard environment, so the wind flow rates of the first air port 13, the second air port 14 and the third air port 15 cannot be absolutely equal, only the values are ensured to be approximately equal as much as possible, and the difference between the values is not large.
Further, the middle of the upper end of the jig top plate 1 is provided with a placement cavity 18, the size of the placement cavity 18 is slightly larger than that of the PCB, therefore, the outer side of the lower end face of the placement cavity 18 is not provided with a negative pressure adsorption port 19, the size of the placement cavity 18 is equal to that of the negative pressure cavity 11, the placement cavity 18 is concave in the jig top plate 1, the lower end face of the placement cavity 18 is provided with the negative pressure adsorption ports 19, the negative pressure adsorption ports 19 are provided with a plurality of, the size of a plane formed by the negative pressure adsorption ports 19 is slightly smaller than that of the PCB, suction from the negative pressure adsorption ports 19 uncovered by the PCB is avoided, the adsorption effect on the PCB is weak, the negative pressure adsorption ports 19 penetrate through the jig top plate 1, and the negative pressure adsorption ports 19 are communicated with the negative pressure cavity 11.
Further, moving guide rails 17 are arranged on the outer sides of the four right-angle positions of the placing cavity 18, the moving guide rails 17 are obliquely arranged, the moving guide rails 17 penetrate through the jig top plate 1, and clamping pieces 20 are arranged in the moving guide rails 17.
Further, the clamping piece 20 includes clamping plate 21, and clamping plate 21 is located the upper end of moving guide rail 17, the width of clamping plate 21 is greater than the width of moving guide rail 17, clamping plate 21 is including predetermineeing breach 22, and predetermineeing breach 22 and set up to rectangle echelonment, the lower extreme of clamping plate 21 is provided with the removal screw rod 23, and it is fixed with clamping plate 21 to remove screw rod 23, the length of removal screw rod 23 is greater than the height of tool roof 1, the width of removal screw rod 23 is less than the width of moving guide rail 17, the outside of removal screw rod 23 is provided with lock nut 24, and lock nut 24 passes through threaded connection with removal screw rod 23, the width of lock nut 24 is greater than the width of moving guide rail 17.
Further, the outside of negative pressure chamber 11 up end is provided with sealing washer 12, and sealing washer 12 sets up to the rectangle, and the lower terminal surface of tool roof 1 is provided with the recess, and the recess matches with sealing washer 12.
Further, the middle of the four sides of the upper end face of the jig bottom plate 2 is provided with jig bottom plate fixing holes 8, fixing screws 5 are arranged in the jig bottom plate fixing holes 8, the fixing screws 5 comprise screw heads, and the screw heads are embedded into the jig bottom plate fixing holes 8 after the fixing screws 5 are connected with the jig bottom plate fixing holes 8 through threads.
Further, a hexagonal insert hole 9 is provided on the outer side of the upper end of the negative pressure chamber 11, a circular insert hole is provided on the lower end of the hexagonal insert hole 9, and a movable screw 23 is inserted into the circular insert hole, and a lock nut 24 is inserted into the hexagonal insert hole 9.
Further, four corner positions of the jig top plate 1 are provided with jig top plate connecting holes 16, four corner positions of the jig bottom plate 2 are provided with jig bottom plate connecting holes 7, and the jig top plate 1 is connected with the jig bottom plate 2 through connecting bolts 4.
The working principle is that when in use, the fixture bottom plate 2 and the printing device are fixed through the fixing screw 5, and the main air pipe 6 is communicated with the upper air pipe of the adsorption equipment. The PCB to be printed is placed in the placement cavity 18 according to the positive and negative positions, the clamping pieces 20 arranged at the four corner positions are pushed, when the clamping pieces 20 move to the innermost position on the moving guide rail 17, the four clamping pieces 20 just attach to the four corners of the PCB, the lower end face of the upper edge of the clamping plate 21 on the position of the preset notch 22 just attaches to one corner of the upper end face of the PCB, the position of the PCB is just the standard position for printing, and the locking nuts 24 are screwed down, so that the clamping pieces 20 are fixed. The jig top plate 1 and the jig bottom plate 2 are fixed through the connecting bolts 4, at the moment, the sealing ring 12 arranged on the jig bottom plate 2 is just embedded into a preset groove on the lower end face of the jig top plate 1, and the movable screw 23 and the locking nut 24 on the clamping piece 20 are just embedded into the hexagonal embedded hole 9 and the circular embedded hole for sealing. After the installation of the PCB, the adsorption equipment is started, and the adsorption equipment adsorbs air through the total air pipe 6, the first air port 13, the second air port 14, the third air port 15, the negative pressure cavity 11 and the negative pressure adsorption port 19, so that the lower edge of the PCB is tightly attached to the negative pressure adsorption port 19, and the negative pressure cavity 19 is fixed, in the adsorption process of the adsorption equipment, the diameters of the first air port 13, the second air port 14 and the third air port 15 are different, and the diameters of air guide channels formed by the first air port 13, the second air port 14 and the third air port 15 and the total air pipe 6 are also different, but the first air port 13 is closest to the total air pipe 6, the adsorption force is strongest, the third air port 15 is farthest from the total air pipe 6, the adsorption force is weakest, the diameter of the first air port 13 is smaller than the diameter of the third air port 15, so that the air suction amounts of the first air port 13, the second air port 14 and the third air port 15 are basically equal, the adsorption forces of the same horizontal plane in the negative pressure cavity 11 are basically equal, the PCB is fixed due to uniform adsorption effects, and the printing device is performed. After the printing of the single PCB is finished, the adsorption equipment is closed, the lock nut 24 is unscrewed, the clamping piece 20 can move, the clamping piece 20 moves outwards along the moving guide rail 17, the printed PCB is taken out, the next PCB is put on, the PCB is moved to the standard position through the clamping piece 20, the PCB is fixed through the adsorption equipment, and the PCB is printed through the printing device.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A circuit board printing jig comprises a jig bottom plate (2), and is characterized in that a jig sealing plate (10) is arranged at the lower end in the middle of the jig bottom plate (2), a jig coaming (3) is arranged between the jig sealing plate (10) and the jig bottom plate (2), the jig coaming (3) and the jig sealing plate (10) are integrally formed, a total air pipe (6) is arranged in the middle of the lower end of the jig sealing plate (10), a first air port (13) is arranged in the middle of the upper end face of the jig sealing plate (10), a second air port (14) is arranged at the outer side of the first air port (13), a plurality of groups of second air ports (14) are arranged at the outer side of the second air port (14), a third air port (15) is arranged at the outer side of the second air port (14), and the first air port (13), The diameters of the plurality of groups of second air openings (14) and third air openings (15) are sequentially increased, the first air openings (13), the second air openings (14) and the third air openings (15) are all communicated with the total air pipe (6), and the first air openings (13), An air guide channel is formed between the second air port (14) and the third air port (15) and the main air pipe (6), the air guide channel is arranged in the jig sealing plate (10), a negative pressure cavity (11) is formed between the jig sealing plate (10) and the jig coaming (3), a jig top plate (1) is arranged at the upper end of the jig bottom plate (2), and the jig top plate (1) is attached to the jig bottom plate (2); the middle of the upper end of the jig top plate (1) is provided with a placing cavity (18), the size of the placing cavity (18) is equal to that of the negative pressure cavity (11), the placing cavity (18) is concave in the jig top plate (1), the outer sides of four right-angle positions of the placing cavity (18) are provided with moving guide rails (17), the moving guide rails (17) are obliquely arranged, the moving guide rails (17) penetrate through the jig top plate (1), clamping pieces (20) are arranged in the moving guide rails (17), the clamping pieces (20) comprise clamping plates (21), the clamping plates (21) are positioned at the upper ends of the moving guide rails (17), the width of the clamping plates (21) is larger than that of the moving guide rails (17), the clamping plates (21) comprise preset notches (22), the preset notches (22) are arranged in a rectangular step shape, the lower ends of the clamping plates (21) are provided with moving screw rods (23), the movable screw (23) is fixed with the clamping plate (21), the length of the movable screw (23) is larger than the height of the jig top plate (1), the width of the movable screw (23) is smaller than the width of the movable guide rail (17), a lock nut (24) is arranged on the outer side of the movable screw (23), the lock nut (24) is connected with the movable screw (23) through threads, the width of the lock nut (24) is larger than the width of the movable guide rail (17), a hexagonal embedding hole (9) is formed in the outer side of the upper end of the negative pressure cavity (11), a circular embedding hole is formed in the lower end of the hexagonal embedding hole (9), the movable screw (23) is embedded into the circular embedding hole, a sealing ring (12) is arranged on the outer side of the upper end face of the negative pressure cavity (11), the sealing ring (12) is rectangular, a groove is formed in the lower end face of the jig top plate (1), and the groove is matched with the sealing ring (12).
2. The circuit board printing jig according to claim 1, wherein the lower end face of the placing cavity (18) is provided with negative pressure adsorption ports (19), the negative pressure adsorption ports (19) are provided in a plurality, the negative pressure adsorption ports (19) penetrate through the jig top plate (1), and the negative pressure adsorption ports (19) are communicated with the negative pressure cavity (11).
3. The circuit board printing jig according to claim 1, wherein jig bottom plate fixing holes (8) are formed in the middle of four sides of the upper end face of the jig bottom plate (2), fixing screws (5) are arranged in the jig bottom plate fixing holes (8), the fixing screws (5) comprise screw heads, and the screw heads are embedded into the jig bottom plate fixing holes (8) after the fixing screws (5) are connected with the jig bottom plate fixing holes (8) through threads.
4. The circuit board printing jig according to claim 1, wherein four corner positions of the jig top plate (1) are provided with jig top plate connecting holes (16), four corner positions of the jig bottom plate (2) are provided with jig bottom plate connecting holes (7), and the jig top plate (1) is connected with the jig bottom plate (2) through connecting bolts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154401.1A CN110798989B (en) | 2019-11-22 | 2019-11-22 | A circuit board printing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154401.1A CN110798989B (en) | 2019-11-22 | 2019-11-22 | A circuit board printing jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110798989A CN110798989A (en) | 2020-02-14 |
| CN110798989B true CN110798989B (en) | 2025-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911154401.1A Active CN110798989B (en) | 2019-11-22 | 2019-11-22 | A circuit board printing jig |
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| CN (1) | CN110798989B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263530B (en) * | 2020-03-20 | 2021-03-09 | 蔡恩扬 | SMT two-sided paster component printing jig |
| CN115400925A (en) * | 2021-05-28 | 2022-11-29 | 神讯电脑(昆山)有限公司 | Shared auxiliary dispensing fixture |
| CN114019344A (en) * | 2021-09-23 | 2022-02-08 | 惠州高盛达智显科技有限公司 | Automatic detection method and system for MIPI-DSI interface protocol signal |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103904012A (en) * | 2012-12-28 | 2014-07-02 | 上海微电子装备有限公司 | Vacuum sucker for TSV silicon wafer |
| CN204998121U (en) * | 2015-07-24 | 2016-01-27 | 昆山濡鑫光电科技有限公司 | Printing instrument |
| CN211128453U (en) * | 2019-11-22 | 2020-07-28 | 苏州市惠利源科技有限公司 | A circuit board printing fixture |
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