CN115715060B - HDI board manufacturing method for improving through blind hole matching precision - Google Patents
HDI board manufacturing method for improving through blind hole matching precision Download PDFInfo
- Publication number
- CN115715060B CN115715060B CN202211439134.4A CN202211439134A CN115715060B CN 115715060 B CN115715060 B CN 115715060B CN 202211439134 A CN202211439134 A CN 202211439134A CN 115715060 B CN115715060 B CN 115715060B
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- section
- crank
- positioning
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention provides a manufacturing method of an HDI board for improving the matching precision of a through blind hole, which comprises the following steps: first pinhole is beaten to establish on the HDI board at first, and then according to the position adjustment adjustable tool of first pinhole makes the location pinhole just right with first pinhole to make the tool be applicable to the HDI board of different specifications, fix the punching to each PCB daughter board afterwards. The invention aims to provide a manufacturing method of an HDI board for improving the matching precision of through blind holes, which solves the problems of high cost and low efficiency caused by the need of jigs with different specifications when the HDI boards with different specifications are manufactured.
Description
Technical Field
The invention relates to the technical field of circuit board manufacturing, in particular to a manufacturing method of an HDI board for improving the matching precision of through blind holes.
Background
In recent years, with the continuous updating of various types of electronic devices, the technology of a circuit board matched with the electronic devices is also rapidly developed, wherein the HDI board can be designed to be more compact due to higher circuit density, and therefore, the HDI board is widely applied to various careful electronic devices. The HDI board uses micro-blind buried hole technology during manufacturing, blind holes are required to be drilled on the PCB on the surface layer during manufacturing, buried holes and through holes are required to be drilled on the PCB, matching among holes is required to be ensured during drilling, and otherwise, the quality of products is affected, and even the products are scrapped.
In the prior art, chinese patent document with application number CN202111069475.2 discloses a method for manufacturing an HDI board and an HDI board for improving matching precision of through blind holes, wherein a first pin hole is cut on a product including a plurality of layers of sub-boards; manufacturing a jig, and drilling a second pin hole in the jig; positioning pins are inlaid, penetrate through the first pin holes and the second pin holes and are fixed on the jig; sequentially press-fitting the pin stacks of all the sub-boards of the product along the locating pin and performing hot melting press-fitting; drilling holes on the pressed product, measuring the expansion and contraction values of each sub-board, recording the expansion and contraction average value of each hole, and providing compensation reference for the subsequent manufacturing process by using the difference of the expansion and contraction average values of each hole. According to the method, the fixture is used for positioning to reduce the offset of each sub-board in the hot melting and pressing process of the HDI board, and the subsequent process is compensated by the expansion average value of each hole, so that good alignment degree among the sub-boards of the HDI board can be realized, the matching precision of each hole is improved, and the production yield is improved.
However, when the method is used, the different-specification jigs are required to be manufactured when the HDI plates with different specifications are prepared, so that the cost is increased and the preparation efficiency is low.
Therefore, it is necessary to design a method for manufacturing an HDI board to improve the matching precision of the through blind holes, so as to solve the problems of high cost and low efficiency caused by the need of different specifications of jigs when the HDI boards with different specifications are manufactured.
Disclosure of Invention
The invention provides a manufacturing method of an HDI board for improving the matching precision of through blind holes, which solves the problems of high cost and low efficiency caused by the need of jigs with different specifications when the HDI boards with different specifications are manufactured.
Therefore, the technical scheme adopted by the invention is that the HDI board manufacturing method for improving the matching precision of the through blind holes comprises the following steps:
step one: the method comprises the steps of pre-punching a positioning pin hole on an adjustable jig, punching a first pin hole on an HDI board, adjusting the adjustable jig to adjust the position of the positioning pin hole so that the positioning pin hole is opposite to the first pin hole, and finally setting a positioning pin and fixing the positioning pin with the adjustable jig;
step two: sequentially penetrating each PCB through the positioning pins for installation and hot melting lamination;
step three: and drilling blind holes and through holes on the HDI board by using a PCB board drilling machine.
Preferably, the adjustable jig includes:
the base plate is provided with two first supporting rods in parallel, positioning sliding blocks are arranged on the first supporting rods in a sliding mode, and the positioning sliding blocks can be fixed with the first supporting rods;
the second stay bars are arranged in parallel, are perpendicular to the first stay bars and are connected with the first stay bars through positioning sliding blocks, each second stay bar comprises a first bar section and a second bar section, a connecting groove is formed between each first bar section and each second bar section, and the connecting grooves are respectively fixed with the first bar section and the second bar section through first bolts; and positioning pin holes in the vertical direction are respectively arranged on the first rod section and the second rod section.
Preferably, the first stay bar comprises a horizontal plate and a vertical plate, the horizontal plate is horizontally arranged and forms a T-shaped structure with the vertical plate, the lower end of the vertical plate is fixedly connected with the bottom plate, a limiting sliding groove is formed in the vertical plate along the horizontal direction, a T-shaped groove of the T-shaped structure is formed in the positioning sliding block, the first stay bar is clamped in the T-shaped groove, and the second bolt penetrates through the positioning sliding block and the limiting sliding groove to fix the positioning sliding block with the first stay bar.
Preferably, the connecting groove is arranged into a U-shaped structure, and a through groove is formed in the bottom surface of the connecting groove along the length direction, and the connecting groove is buckled with the first rod section and the second rod section from bottom to top respectively.
Preferably, the bottom plate is further provided with a cushion block, the cushion block is located between the two first supporting rods, and the upper surface of the cushion block is flush with the upper surface of the second supporting rod.
Preferably, the first stay bar is provided with scales along the length direction, and the first bar section and the second bar section are also provided with scales.
Preferably, the PCB board drilling machine includes:
the workbench is fixedly provided with a driving electric cylinder, an output shaft of the driving electric cylinder is vertically upwards arranged, a top plate is fixedly arranged on the output shaft of the driving electric cylinder, and a machine head is arranged on the lower surface of the top plate;
the positioning pipe is arranged on the periphery of the machine head, the axis of the positioning pipe is vertically arranged, a guide sliding groove is formed in the side wall of the positioning pipe along the vertical direction, a guide sliding block is arranged in the guide sliding groove in a sliding mode, a guide sliding rod is vertically arranged on the upper surface of the guide sliding block, the guide sliding rod penetrates through the positioning pipe and is fixedly connected with the bottom wall of the top plate, and a first spring is fixedly arranged between the positioning pipe and the top plate;
the side part of the positioning tube is provided with a limiting rod, the limiting rod comprises a clamping section and a supporting section, the clamping section is fixedly connected with the supporting section, the upper end of the supporting section is hinged with the bottom of the driving electric cylinder, the clamping section is vertically arranged, the side wall, close to the positioning tube, of the clamping section is provided with a clamping groove, and a second spring is arranged between the clamping section and the driving electric cylinder;
the clamping block is arranged on the side wall of the positioning tube and can be clamped in the clamping groove;
the linkage rod is vertically arranged on the bottom wall of the top plate, and can be abutted with the clamping section when moving downwards along with the top plate, and the lower end of the linkage rod is higher than the clamping block.
Preferably, the clamping groove is arranged as a right triangle structure, the hypotenuse of the right triangle structure is arranged obliquely upwards, and the clamping block is also arranged as a right triangle structure.
Preferably, the workbench is further provided with a heat dissipation assembly, the heat dissipation assembly is disposed below the machine head, and the heat dissipation assembly includes:
the cover body is fixedly arranged on the workbench, a heat dissipation cavity is arranged in the cover body, a heat dissipation motor is fixedly arranged on the bottom wall of the heat dissipation cavity, an output shaft of the heat dissipation motor is vertically upwards arranged, a first main shaft is coaxially and fixedly arranged on the output shaft of the heat dissipation motor, a first crank is fixedly arranged on the first main shaft, a second main shaft is vertically arranged on the side part of the heat dissipation motor, the second main shaft is connected with the first main shaft through a second crank, a third crank is arranged on the second main shaft, a fourth crank parallel to the second crank is arranged on the side part of the second crank, and two ends of the fourth crank are respectively hinged with the first crank and the third crank;
the third main shaft is rotationally arranged in the heat dissipation cavity, is parallel to the first main shaft, is fixedly provided with a first gear, and is fixedly provided with a heat dissipation fan above the first gear;
the second gear ring is sleeved outside the first gear, the second gear ring is internally meshed with the first gear, the second gear ring is fixedly connected with the fourth crank through a connecting crank, and the connecting crank is perpendicular to the fourth crank;
the cooling filter screen is arranged below the second gear ring, the cooling filter screen is inserted into the cover body from the outside of the cover body along the horizontal direction, the middle part of the cooling filter screen is arranged into a downward concave structure, the lower surface of the second gear ring is provided with a cleaning brush, and the cleaning brush can be abutted with the upper surface of the cooling filter screen;
the division board, be provided with the division board between second gear ring and the heat dissipation motor, the vertical setting of division board, connect the crank to pass the division board, set up the bearing piece that is used for joint heat dissipation filter screen on the division board, the bearing piece sets up to U-shaped structure and U-shaped structure opening orientation the heat dissipation filter screen.
Preferably, a guiding clamping block is slidably arranged on the first crank along the length direction, and the connecting crank is slidably connected with the guiding clamping block.
The working principle and the beneficial technical effects of the invention are as follows: when carrying out the HDI board preparation, beat the location pinhole in advance on adjustable tool, beat on the HDI board and establish first pinhole, then adjust adjustable tool according to the position of first pinhole and make location pinhole just right with first pinhole to make the tool can be applicable to the HDI board of different specifications, fix each PCB daughter board afterwards and punch, thereby need the tool of different specifications to lead to the problem that with high costs and inefficiency when solving the preparation of the HDI board of different specifications.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of an adjustable jig in a method for manufacturing an HDI board for improving the matching precision of blind holes in an embodiment of the present invention;
FIG. 2 is a schematic view of the cross-section in the direction A-A of FIG. 1;
FIG. 3 is a schematic diagram of a PCB drilling machine in a method for manufacturing an HDI board for improving the matching precision of through blind holes in an embodiment of the invention;
FIG. 4 is a schematic diagram of a heat dissipating assembly in a method for manufacturing an HDI board for improving the matching accuracy of blind via holes according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a second heat dissipating component in the method for manufacturing an HDI board for improving the matching accuracy of through blind holes according to an embodiment of the present invention.
The labels in the figures are as follows: 1. an adjustable jig; 101. a bottom plate; 102. a first stay; 103. positioning a sliding block; 104. a second stay bar; 105. a first pole segment; 106. a second pole segment; 107. a connecting groove; 108. a first bolt; 109. positioning pin holes; 110. a horizontal plate; 111. a vertical plate; 112. limiting sliding grooves; 113. a T-shaped groove; 114. a second bolt; 115. a cushion block; 2. PCB board drilling machine; 201. a work table; 202. driving the electric cylinder; 203. a top plate; 204. a machine head; 205. a positioning tube; 206. a guide chute; 207. a guide slide block; 208. a guide slide bar; 209. a first spring; 210. a limit rod; 211. a clamping section; 212. a support section; 213. a clamping groove; 214. a second spring; 215. a clamping block; 216. a linkage rod; 3. a heat dissipation assembly; 301. a cover body; 302. a heat dissipation cavity; 303. a heat dissipation motor; 304. a first spindle; 305. a first crank; 306. a second spindle; 307. a second crank; 308. a third crank; 309. a fourth crank; 310. a third spindle; 311. a first gear; 312. a heat dissipation fan; 313. a second gear ring; 314. a connecting crank; 315. a heat dissipation filter screen; 316. a cleaning brush; 317. a partition plate; 318. a support block; 319. and guiding the clamping block.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The embodiment of the invention provides a manufacturing method of an HDI board for improving the matching precision of a through blind hole, which is shown in figures 1-5 and comprises the following steps:
step one: the positioning pin hole 109 is formed in the adjustable jig 1 in advance, a first pin hole is formed in the HDI plate, the adjustable jig 1 is adjusted so that the positioning pin hole 109 is opposite to the first pin hole, and finally a positioning pin is arranged and fixed with the adjustable jig 1;
step two: sequentially penetrating each PCB through the positioning pins for installation and hot melting lamination;
step three: and drilling blind holes and through holes on the HDI board by using a PCB board drilling machine.
The technical scheme has the working principle and beneficial technical effects that: when carrying out the HDI board preparation, beat the location pinhole 109 on adjustable tool 1 in advance, beat on the HDI board and establish first pinhole, adjustable tool 1 is adjusted according to the position of first pinhole and is made location pinhole 109 just right with first pinhole afterwards to make the tool can be applicable to the HDI board of different specifications, fix each PCB daughter board afterwards and punch, thereby need the tool of different specifications to lead to the problem that cost is high and inefficiency when solving the preparation of the HDI board of different specifications.
In one embodiment, as shown in fig. 1 and 2, the adjustable fixture 1 includes:
the base plate 101 is provided with two first stay bars 102 in parallel, the first stay bars 102 are provided with positioning slide blocks 103 in a sliding manner, and the positioning slide blocks 103 can be fixed with the first stay bars 102;
the second stay bars 104, two second stay bars 104 are arranged in parallel, the second stay bars 104 are perpendicular to the first stay bars 102 and are connected with the first stay bars 102 through positioning sliding blocks 103, the second stay bars 104 comprise first rod sections 105 and second rod sections 106, connecting grooves 107 are formed between the first rod sections 105 and the second rod sections 106, and the connecting grooves 107 are respectively fixed with the first rod sections 105 and the second rod sections 106 through first bolts 108; the first and second pole segments 105, 106 are provided with vertically oriented dowel holes 109, respectively.
The technical scheme has the working principle and beneficial technical effects that: when the adjustable jig 1 is used, the positioning pin holes 109 are formed in the first rod section 105 and the second rod section 106 in advance, when the adjustable jig is used for different HDI boards, the positions of the positioning pin holes 109 need to be adjusted, and at the moment, the positioning slide blocks 103 are moved along the first supporting rod 102 so as to adjust the distance between the two positioning slide blocks 103, so that the adjustment of the distance between the two second supporting rods 104 is realized; the insertion depth of the connecting groove 107 with the first and second pole sections 105, 106 is then adjusted in the length direction, so that the distance between the two positioning pin holes 109 on the first and second pole sections 105, 106 is adjusted. Through the arrangement, the angle adjustment of the positioning pin hole 109 in the upper direction of the plane is realized, so that the device can be suitable for the HDI boards with various different specifications, and the situation that different jigs are required to be manufactured independently when the device is used for the HDI boards with different specifications each time is avoided.
In one embodiment, the first stay bar 102 includes a horizontal plate 110 and a vertical plate 111, the horizontal plate 110 is horizontally arranged and forms a T-shaped structure with the vertical plate 111, the lower end of the vertical plate 111 is fixedly connected with the bottom plate 101, a limit chute 112 is formed on the vertical plate 111 along the horizontal direction, a T-shaped groove 113 of the T-shaped structure is formed on the positioning slide block 103, the first stay bar 102 is clamped in the T-shaped groove 113, and the second bolt 114 passes through the positioning slide block 103 and the limit chute 112 to fix the positioning slide block 103 with the first stay bar 102.
The technical scheme has the working principle and beneficial technical effects that: through setting up first vaulting pole 102 to T font structure, set up spacing spout 112 and second bolt 114 simultaneously, can carry out the joint between first vaulting pole 102 and the location slider 103 better on the one hand, also can fix convenient and fast when making things convenient for its gliding when needs to the practicality and the stability of device have been promoted.
In one embodiment, the connecting groove 107 is configured as a U-shaped structure, and a through groove is formed on the bottom surface of the connecting groove 107 along the length direction, and the connecting groove 107 is respectively buckled with the first rod section 105 and the second rod section 106 from bottom to top.
The technical scheme has the working principle and beneficial technical effects that: through setting up spread groove 107 into U-shaped structure, from down upwards carrying out the lock with first pole section 105 and second pole section 106 respectively during the use, then fix through first bolt 108 for the upper surface of first pole section 105 and second pole section 106 remains the parallel and level through above-mentioned setting, and then further strengthens the fixed action to the HDI board.
In one embodiment, a spacer 115 is further disposed on the base plate 101, the spacer 115 is located between the two first struts 102, and an upper surface of the spacer 115 is flush with an upper surface of the second strut 104.
The technical scheme has the working principle and beneficial technical effects that: through setting up cushion 115, the cushion 115 upper surface and second vaulting pole 104 upper surface parallel and level simultaneously, second vaulting pole 104 supports the HDI board bottom from both sides during the use, and cushion 115 then supports the HDI board from the middle part to make bearing structure more stable, avoid because of the atress leads to the HDI board middle part to take place to buckle deformation when drilling and influence the use.
In one embodiment, the first brace 102 is provided with graduations along the length direction, and the first and second pole segments 105 and 106 are also provided with graduations.
The technical scheme has the working principle and beneficial technical effects that: through set up the scale respectively on first vaulting pole 102, first pole section 105 and second pole section 106, carry out accurate control when convenient adjustable tool 1 adjusts to further promote the matching precision.
In one embodiment, as shown in fig. 3, the PCB board drilling machine includes:
the workbench 201 is fixedly provided with a driving electric cylinder 202, an output shaft of the driving electric cylinder 202 is vertically upwards arranged, a top plate 203 is fixedly arranged on the output shaft of the driving electric cylinder 202, and a machine head 204 is arranged on the lower surface of the top plate 203;
the positioning tube 205 is arranged on the periphery of the machine head 204, the axis of the positioning tube 205 is vertically arranged, a guide sliding groove 206 is formed in the side wall of the positioning tube 205 along the vertical direction, a guide sliding block 207 is arranged in the guide sliding groove 206 in a sliding manner, a guide sliding rod 208 is vertically arranged on the upper surface of the guide sliding block 207, the guide sliding rod 208 penetrates through the positioning tube 205 and is fixedly connected with the bottom wall of the top plate 203, and a first spring 209 is fixedly arranged between the positioning tube 205 and the top plate 203;
the limiting rod 210 is arranged at the side part of the positioning tube 205, the limiting rod 210 comprises a clamping section 211 and a supporting section 212, the clamping section 211 is fixedly connected with the supporting section 212, the upper end of the supporting section 212 is hinged with the bottom of the driving electric cylinder 202, the clamping section 211 is vertically arranged, a clamping groove 213 is formed in the side wall, close to the positioning tube 205, of the clamping section 211, and a second spring 214 is arranged between the clamping section 211 and the driving electric cylinder 202;
the clamping block 215 is arranged on the side wall of the positioning tube 205, and the clamping block 215 can be clamped in the clamping groove 213;
the linkage rod 216 is vertically arranged on the bottom wall of the top plate 203, the linkage rod 216 can be abutted with the clamping section 211 when moving downwards along with the top plate 203, and the lower end of the linkage rod 216 is higher than the clamping block 215.
The technical scheme has the working principle and beneficial technical effects that: when the PCB drilling machine is used, the top plate 203 and the machine head 204 are pushed to move up and down along the vertical direction by the driving cylinder 202 arranged on the workbench 201, the machine head 204 part comprises a drill bit, a driving motor and other structures, when drilling is required, the driving cylinder 202 drives the top plate 203 and the machine head 204 to move downwards, the positioning pipe 205 moves downwards together until the lower end of the positioning pipe 205 is abutted with the upper surface of the PCB, the clamping block 215 is clamped in the clamping groove 213, so that the positioning pipe 205 is supported, then the top plate 203 continuously descends, the guide slide bar 208 slides along the guide slide groove 206 and drives the first spring 209 to compress until the drill bit is contacted with the PCB, the downward pressure of the positioning pipe 205 can be kept stable in the continuous descending process of the top plate 203 by the clamping block 215, namely the positioning pressure of the positioning pipe 205 on the PCB is kept stable, and the influence on matching precision caused by the deviation of the pressure change of the positioning pipe 205 in the drilling process is avoided; when drilling to the deepest, the linkage rod 216 descending along with the top plate 203 is abutted with the clamping section 211, so that the linkage rod 216 is pushed to swing to move towards the direction away from the positioning tube 205, the clamping block 215 is separated from the clamping groove 213, then the top plate 203 is lifted and drives the positioning tube 205 to lift through the guide sliding block 207 and the guide sliding rod 208, the drilling is completed, the positioning tube 205 is located at the periphery of the drill bit in the whole drilling process to press and position the PCB, and the positioning tube 205 can be set to be of a rectangular or circular structure in specific use, so that the stress is more uniform.
In one embodiment, the clamping groove 213 is configured as a right triangle, and the hypotenuse of the right triangle is disposed obliquely upward, and the clamping block 215 is also configured as a right triangle.
The technical scheme has the working principle and beneficial technical effects that: by arranging the clamping groove 213 and the clamping block 215 into a right triangle structure, when the positioning tube 205 has a trend of downward movement under the pressure of the first spring 209, the clamping groove 213 and the clamping block 215 can support the positioning tube by clamping; when the positioning tube 205 moves downward, the upper surface of the clamping groove 213 is inclined, so that the upward movement of the clamping groove is not blocked, and the clamping groove can be lifted smoothly.
In one embodiment, as shown in fig. 4 and 5, the workbench 201 is further provided with a heat dissipation assembly 3, the heat dissipation assembly 3 is disposed below the handpiece 204, and the heat dissipation assembly 3 includes:
the cover body 301 is fixedly arranged on the workbench 201, a heat dissipation cavity 302 is arranged in the cover body 301, a heat dissipation motor 303 is fixedly arranged on the bottom wall of the heat dissipation cavity 302, an output shaft of the heat dissipation motor 303 is vertically upwards arranged, a first main shaft 304 is coaxially and fixedly arranged on the output shaft of the heat dissipation motor 303, a first crank 305 is fixedly arranged on the first main shaft 304, a second main shaft 306 is vertically arranged on the side part of the heat dissipation motor 303, the second main shaft 306 is connected with the first main shaft 304 through a second crank 307, a third crank 308 is arranged on the second main shaft 306, a fourth crank 309 parallel to the second crank 307 is arranged on the side part of the second crank 307, and two ends of the fourth crank 309 are respectively hinged with the first crank 305 and the third crank 308;
a third main shaft 310 is rotatably arranged in the heat dissipation cavity 302, the third main shaft 310 is parallel to the first main shaft 304, a first gear 311 is fixedly arranged on the third main shaft 310, and a heat dissipation fan 312 is fixedly arranged on the first main shaft 304 above the first gear 311;
the second gear ring 313 is sleeved outside the first gear 311, the second gear ring 313 is meshed with the first gear 311, the second gear ring 313 is fixedly connected with the fourth crank 309 through a connecting crank 314, and the connecting crank 314 is perpendicular to the fourth crank 309;
the heat dissipation filter screen 315 is arranged below the second gear ring 313, the heat dissipation filter screen 315 is inserted into the cover 301 from the outside of the cover 301 along the horizontal direction, the middle part of the heat dissipation filter screen 315 is arranged to be of a downward concave structure, the lower surface of the second gear ring 313 is provided with a cleaning brush 316, and the cleaning brush 316 can be abutted with the upper surface of the heat dissipation filter screen 315;
the division board 317, be provided with division board 317 between second gear ring 313 and the heat dissipation motor 303, the vertical setting of division board 317, connect the crank 314 to pass division board 317, set up the bearing piece 318 that is used for joint heat dissipation filter screen 315 on the division board 317, the bearing piece 318 sets up to U-shaped structure and U-shaped structure opening orientation the heat dissipation filter screen 315.
The technical scheme has the working principle and beneficial technical effects that: when the heat radiation assembly 3 is used, the heat radiation motor 303 starts to drive the first main shaft 304 to rotate, and then drives the first crank 305 to rotate, at this time, the first crank 305, the second crank 307, the third crank 308 and the fourth crank 309 are connected to form a parallelogram structure, when the first crank 305 rotates, the fourth crank 309 is driven to swing together, and in the swinging process, the fourth crank 309 is always parallel to the second crank 307, then the swinging of the fourth crank 309 is transmitted to the second gear ring 313 through the connecting crank 314 to drive the second gear ring 313 to swing, as the second gear ring 313 is always meshed with the first gear 311, the first gear 311 is driven to rotate when the second gear ring 313 swings, and then the heat radiation fan 312 which is also arranged on the third main shaft 310 is driven to rotate, so that the heat generated in the drilling part of the PCB board is prevented from deforming to influence the subsequent preparation, meanwhile, the airflow is driven to flow in the swinging process, the powder is carried away, the powder is filtered by the filter screen, so that most of the powder is remained on the second gear ring 313, the dust is cleaned, and the dust is simultaneously, the dust is cleaned on the surface of the filter screen 315, and the dust is cleaned by the filter screen 315.
In one embodiment, the first crank 305 is provided with a guiding block 319 in a sliding manner along the length direction, and the connecting crank 314 is slidably connected with the guiding block 319.
The technical scheme has the working principle and beneficial technical effects that: through setting up the guide fixture block 319, support the reinforcement to connecting crank 314 when not influencing connecting crank 314 motion to make whole device structure more stable, promoted the practicality of device.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. The manufacturing method of the HDI board for improving the matching precision of the through blind holes is characterized by comprising the following steps of:
step one: positioning pin holes (109) are formed in the adjustable jig (1) in advance, then a first pin hole is formed in the HDI plate, the adjustable jig (1) is adjusted so that the positioning pin holes (109) are opposite to the first pin holes, and finally positioning pins are arranged and fixed with the adjustable jig (1);
step two: sequentially penetrating each PCB through the positioning pins for installation and hot melting lamination;
step three: drilling blind holes and through holes on the HDI board by using a PCB board drilling machine;
the utility model provides an adjustable tool (1) includes bottom plate (101) and first vaulting pole (102), parallel arrangement has two first vaulting poles (102) on bottom plate (101), slide on first vaulting pole (102) and be provided with location slider (103), two second vaulting poles (104) parallel arrangement, second vaulting pole (104) perpendicular to first vaulting pole (102) and be connected with location slider (103), second vaulting pole (104) include first pole section (105) and second pole section (106), first pole section (105) are connected through spread groove (107) with second pole section (106), and both are fixed with spread groove (107) through first bolt (108), be provided with location pinhole (109) on first pole section (105) and second pole section (106) respectively.
2. The method for manufacturing the HDI plate for improving the matching precision of the through blind holes according to claim 1, wherein the first supporting rod (102) comprises a horizontal plate (110) and a vertical plate (111), the horizontal plate (110) is horizontally arranged and forms a T-shaped structure with the vertical plate (111), the lower end of the vertical plate (111) is fixedly connected with the bottom plate (101), a limit chute (112) is formed in the vertical plate (111) along the horizontal direction, a T-shaped groove (113) of the T-shaped structure is formed in the positioning slide block (103), the first supporting rod (102) is clamped in the T-shaped groove (113), and the second bolt (114) penetrates through the positioning slide block (103) and the limit chute (112) to fix the positioning slide block (103) and the first supporting rod (102).
3. The method for manufacturing the HDI board for improving the matching precision of the through blind holes according to claim 1, wherein the connecting groove (107) is of a U-shaped structure, the through groove is formed in the bottom surface of the connecting groove (107) along the length direction, and the connecting groove (107) is buckled with the first rod section (105) and the second rod section (106) from bottom to top respectively.
4. The HDI board manufacturing method for improving blind via matching accuracy according to claim 1, wherein a spacer block (115) is further disposed on the bottom plate (101), the spacer block (115) is located between the two first supporting rods (102), and an upper surface of the spacer block (115) is flush with an upper surface of the second supporting rod (104).
5. The method for manufacturing the HDI board for improving the matching precision of the through blind holes according to claim 1, wherein the first stay bar (102) is provided with scales along the length direction, and the first bar section (105) and the second bar section (106) are also provided with scales.
6. The HDI board manufacturing method for improving the matching precision of the through blind holes according to claim 1 is characterized in that the PCB board drilling machine comprises a workbench (201) and a positioning tube (205), a driving electric cylinder (202) is arranged on the workbench (201), a top plate (203) and a machine head (204) are arranged on an output shaft of the driving electric cylinder (202), the positioning tube (205) is arranged on the periphery of the machine head (204), a guide sliding groove (206) is arranged on the side wall of the positioning tube (205), a guide sliding block (207) is arranged in the guide sliding groove (206) in a sliding mode, a guide sliding rod (208) connected with the top plate (203) is arranged on the guide sliding block (207), and a first spring (209) is fixedly arranged between the positioning tube (205) and the top plate (203).
7. The method for manufacturing the HDI board for improving the matching precision of the through blind holes according to claim 6, wherein a limiting rod (210) is arranged on the side part of the positioning pipe (205), the limiting rod (210) comprises a clamping section (211) and a supporting section (212), the clamping section (211) is fixedly connected with the supporting section (212), the upper end of the supporting section (212) is hinged with the bottom of the driving electric cylinder (202), a clamping groove (213) with a right-angled triangle structure is formed in the side wall, close to the positioning pipe (205), of the clamping section (211), a second spring (214) is arranged between the clamping section (211) and the driving electric cylinder (202), a clamping block (215) is arranged on the side wall of the positioning pipe (205), a linkage rod (216) is vertically arranged on the bottom wall of the top plate (203), and the linkage rod (216) can be abutted with the clamping section (211) when the top plate (203) moves downwards.
8. The method for manufacturing the HDI board with the improved matching precision of the through blind holes according to claim 6, wherein the heat dissipation assembly (3) is arranged on the workbench (201), the heat dissipation assembly (3) comprises a cover body (301) and a heat dissipation motor (303), the cover body (301) is arranged on the workbench (201), a heat dissipation cavity (302) is arranged in the cover body (301), the heat dissipation motor (303) is arranged in the heat dissipation cavity (302), a first main shaft (304) is arranged on the heat dissipation motor (303), a first crank (305) is arranged on the first main shaft (304), a second main shaft (306) and a third crank (308) are arranged on the side part of the first main shaft (304) in the same way, the second main shaft (306) is connected with the first main shaft (304) through a second crank (307), the first crank (305) is connected with the third crank (308) through a hinged fourth crank (309), a third main shaft (310) is rotationally arranged in the heat dissipation cavity (302), the third main shaft (310) is parallel to the first main shaft (304), and a first main shaft (311) is fixedly arranged on the first main shaft (311).
9. The method for manufacturing the HDI board for improving the matching precision of the through blind holes according to claim 8 is characterized in that a second gear ring (313) meshed with the first gear ring (311) is sleeved outside the first gear ring (311), the second gear ring (313) is connected with a fourth crank (309) through a connecting crank (314), a heat dissipation filter screen (315) is arranged below the second gear ring (313), the heat dissipation filter screen (315) is inserted into the cover body (301) along the horizontal direction, a cleaning brush (316) is arranged on the lower surface of the second gear ring (313), a separation plate (317) is arranged between the second gear ring (313) and the heat dissipation motor (303), a supporting block (318) used for clamping the heat dissipation filter screen (315) is arranged on the separation plate (317), and the supporting block (318) is of a U-shaped structure with an opening towards the heat dissipation filter screen (315).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211439134.4A CN115715060B (en) | 2022-11-17 | 2022-11-17 | HDI board manufacturing method for improving through blind hole matching precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211439134.4A CN115715060B (en) | 2022-11-17 | 2022-11-17 | HDI board manufacturing method for improving through blind hole matching precision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115715060A CN115715060A (en) | 2023-02-24 |
| CN115715060B true CN115715060B (en) | 2023-06-16 |
Family
ID=85233570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211439134.4A Active CN115715060B (en) | 2022-11-17 | 2022-11-17 | HDI board manufacturing method for improving through blind hole matching precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115715060B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114885520A (en) * | 2022-06-24 | 2022-08-09 | 深圳市智联科迅科技有限公司 | Flexible circuit board positioning jig and positioning method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2507238B2 (en) * | 1990-12-26 | 1996-06-12 | 利昌工業株式会社 | Method for manufacturing multilayer printed circuit board |
| US5927504A (en) * | 1998-06-23 | 1999-07-27 | Samsung Electronics Co., Ltd. | Apparatus for carrying plural printed circuit boards for semiconductor module |
| CN206509557U (en) * | 2017-01-19 | 2017-09-22 | 东莞市华拓电子有限公司 | A kind of PCB multilayer board drilling machine automatic filings discharging device |
| KR102132918B1 (en) * | 2019-04-15 | 2020-07-14 | 주식회사 디에이피 | Pin jig |
| CN215529439U (en) * | 2021-07-22 | 2022-01-14 | 深圳市金锐显数码科技有限公司 | Board splitting jig |
| CN113923895A (en) * | 2021-09-13 | 2022-01-11 | 惠州中京电子科技有限公司 | HDI board manufacturing method for improving through blind hole matching precision and HDI board |
-
2022
- 2022-11-17 CN CN202211439134.4A patent/CN115715060B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114885520A (en) * | 2022-06-24 | 2022-08-09 | 深圳市智联科迅科技有限公司 | Flexible circuit board positioning jig and positioning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115715060A (en) | 2023-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108311733A (en) | A kind of double end perforating device of building decorative plates adjustable in pitch | |
| CN210939513U (en) | Drilling device with protective structure for printed circuit board production | |
| CN109079197A (en) | A kind of automatic processing device of angle steel | |
| CN115715060B (en) | HDI board manufacturing method for improving through blind hole matching precision | |
| CN103770153B (en) | Machining equipment and method capable of machining side-hung casement hinge holes automatically and accurately | |
| CN211915079U (en) | Bending machine for processing distribution box plates | |
| CN218138593U (en) | Panel drilling equipment for furniture production | |
| CN110421193B (en) | Vertical, automatic processing machine placed in middle of limit club | |
| CN114843210A (en) | Coupling alignment device and method for chip packaging | |
| CN211135610U (en) | Perforating device for door and window materials | |
| CN218891214U (en) | Camshaft production processing positioner | |
| CN220006046U (en) | Precision electronic part drilling equipment | |
| CN220862777U (en) | Copper face base plate panel location drilling equipment | |
| CN214920902U (en) | Cutting device for mechanical manufacturing | |
| CN220093125U (en) | Mould puncher | |
| CN220837336U (en) | Bending machine with temperature-controllable bending position | |
| CN220278840U (en) | Numerical control shutter connects kludge | |
| CN216758215U (en) | Drilling equipment is used in rocking arm axle production | |
| CN219617232U (en) | Footing drilling frock of condenser | |
| CN217021867U (en) | Automatic net rack lifting mechanism of printing machine | |
| CN217370556U (en) | Door and window frame drilling equipment | |
| CN216027617U (en) | Stamping equipment is used in tubular metal resonator processing | |
| CN217729034U (en) | Automatic drilling device for plate-type furniture production | |
| CN221209970U (en) | Drilling machine for machining precise parts | |
| CN214214108U (en) | Drilling device for furniture board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |