CN112203423B - Drilling method - Google Patents
Drilling method Download PDFInfo
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- CN112203423B CN112203423B CN202011006069.7A CN202011006069A CN112203423B CN 112203423 B CN112203423 B CN 112203423B CN 202011006069 A CN202011006069 A CN 202011006069A CN 112203423 B CN112203423 B CN 112203423B
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- plate
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- processed
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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
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0047—Drilling of holes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a drilling method, which comprises the following steps: preparing, namely preparing a base plate with the same size as the plate to be processed; positioning, namely positioning a machining position on a drilling platform; feeding, namely placing a base plate at the found processing position, and then placing the plate to be processed on the base plate in an aligned manner; clamping, namely driving a screw rod to rotate, so that a limiting plate in transmission connection with the screw rod slides along a guide structure and clamps a base plate and the corner of the plate to be processed; the cover plate is characterized in that a flexible cover plate is placed on the plate to be processed; the pressing plate moves vertically on the limiting plate and presses the base plate, the plate to be processed and the corner part of the flexible cover plate; and the buckle plate is adjusted to slide towards the flexible cover plate, and then the bolt on the buckle plate is adjusted to enable the buckle plate to buckle the edge of the flexible cover plate downwards. And (3) carrying out tool setting and drilling, adjusting the drilling platform in the front-back direction, adjusting the drilling machine in the left-right direction to enable the drilling machine to be aligned with the tool setting hole on the drilling platform, and then starting the drilling machine to drill.
Description
Technical Field
The invention relates to the technical field of drilling, in particular to a drilling method.
Background
During the PCB production process, the board must be drilled.
At present, when a board is placed in a position for PCB drilling, the board and a drilling platform are stuck and positioned by using an adhesive tape, the positioning mode is low in efficiency, the board with the adhesive tape is easily taken up during drilling, waste adhesive tapes are easily generated, resources are wasted, and the PCB drilling machine is not environment-friendly and inconvenient.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a drilling method which can realize quick positioning.
A method of drilling a hole in accordance with an embodiment of the first aspect of the invention comprises the steps of:
preparing, namely preparing a base plate with the same size as the plate to be processed;
positioning, namely positioning a machining position on a drilling platform;
feeding, namely placing a base plate at the found processing position, and then placing the plate to be processed on the base plate in an aligned manner;
the clamping mechanism drives a screw rod to rotate, so that a limiting plate in transmission connection with the screw rod slides along a guide structure and clamps a base plate and a corner of a plate to be processed, four limiting plates are wound into a rectangle, two diagonal lines of the rectangle are sliding lines, two limiting plates are arranged on each sliding line, when the two limiting plates slide oppositely, two opposite corners of the plate can be clamped, four limiting plates can clamp four corners of the plate, the lower end of each limiting plate is provided with a spiral tooth, the screw rod is in transmission connection with the screw rod, the screw rod rotates to drive the limiting plates to slide on the guide structure, a first sliding groove is arranged on each limiting plate, a pressing plate piece is connected with an elastic clamping piece through a first sliding block, the first sliding block is in sliding connection with the first sliding groove, the edge of the first sliding groove is provided with a plurality of bayonets, when the elastic clamping piece is pulled, the pressing plate piece and the first sliding block can slide in the first sliding groove, when the pressing plate piece and the first sliding block slide in place, the elastic clamping piece is put down to clamp the bayonet on the edge of the first sliding groove, and the movement of the pressing plate piece is locked to enable the pressing plate piece to press the flexible cover plate;
the cover plate is characterized in that a flexible cover plate is placed on the plate to be processed;
the pressing plate moves vertically on the limiting plate and presses the base plate, the plate to be processed and the corner part of the flexible cover plate;
the buckle plate is adjusted to slide towards the flexible cover plate, and then a bolt on the buckle plate is adjusted to enable the buckle plate to buckle the edge of the flexible cover plate downwards;
and (3) carrying out tool setting and drilling, adjusting the drilling platform in the front-back direction, adjusting the drilling machine in the left-right direction to enable the drilling machine to be aligned with the tool setting hole on the drilling platform, and then starting the drilling machine to drill.
The drilling method provided by the embodiment of the invention has at least the following beneficial effects: utilize the limiting plate with the buckle spare realizes the location to panel, compares in the sticky tape bonding location, uses the limiting plate with the mode of buckle spare is more convenient, can not produce the waste product when durable, is favorable to environmental protection.
According to some embodiments of the invention, the backing plate is a wooden plate, preventing drilling of a drill bit after drilling through the board to be processed.
According to some embodiments of the invention, the drilling platform is provided with a scale or a scale mark, and the fast positioning is performed through the scale or the scale mark when the positioning is performed.
According to some embodiments of the invention, in the step of covering, the flexible covering is an aluminum plate having a density of 2.7 to 2.8g/cm3Compared with other metals with the same volume, the aluminum has lighter weight, high ductility and easy drilling through,preventing the plate to be processed from generating burrs; aluminum also has good thermal conductivity and can absorb heat during drilling.
According to some embodiments of the invention, four buckling plate members are arranged, the four buckling plate members are respectively arranged in the front direction, the rear direction, the left direction and the right direction of the upper surface of the drilling platform and can be close to or far away from a processing position through sliding, a second sliding groove is arranged on the drilling platform, the buckling plate members are connected in the second sliding groove through the second sliding blocks in a sliding mode, the buckling plate members are further connected with the second sliding blocks through bolts, when buckling is carried out, the buckling plate members slide in the second sliding grooves along with the second sliding blocks and approach to a plate to be processed, the bolts are adjusted to enable the buckling plate members to buckle the edge of the flexible cover plate downwards, the structure is simple, and the function of adjusting the buckling plate members can be achieved.
According to some embodiments of the invention, in the clamping step, the cross section of each of the limiting plates is in an L shape, the L-shaped openings of the two limiting plates are arranged oppositely, when the two limiting plates are close to each other, the oppositely arranged L-shaped openings clamp the base plate and the corner of the plate to be processed first, and the plate to be processed is clamped more tightly by the L-shaped openings.
According to some embodiments of the invention, in the step of drilling by setting the tool, the drilling platform is further provided with a clearance hole, and the drill bit can fall into the clearance hole every time the drill bit penetrates through the backing plate, so that the drill bit is prevented from contacting the drilling platform, and the drill bit is prevented from breaking.
According to some embodiments of the invention, the drilling platform is made of one of wood, cast iron or steel.
According to some embodiments of the invention, the limiting plate is made of stainless steel, and the limiting plate is prevented from rusting to cause increased resistance during sliding, so that the clamp is not tight.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a drilling apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a drilling platform according to an embodiment of the present invention;
FIG. 3 is a top view of the drilling platform shown in FIG. 2;
fig. 4 is a schematic view of the transmission connection between the limiting plate and the lead screw of the drilling platform shown in fig. 2.
The drilling platform 100, the buckle part 110, the tool setting hole 120, the clearance hole 130, the clamping station 140, the guide structure 150, the third sliding groove 160, the second sliding block 170, the limiting plate 200, the spiral teeth 210, the worm 300, the pressing plate part 220, the second sliding groove 230, the bayonet 231, the first sliding block 240, the elastic clamping piece 250, the machine base 400 and the drilling machine 500.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 4, a drilling method includes the steps of:
preparing, namely preparing a base plate with the same size as the plate to be processed;
positioning, namely positioning a machining position on the drilling platform 100;
feeding, namely placing a base plate at the found processing position, and then placing the plate to be processed on the base plate in an aligned manner;
clamping, namely driving the screw rod 300 to rotate, so that the limiting plate 200 in transmission connection with the screw rod 300 slides along the guide structure 150 and clamps the backing plate and the corner of the plate to be processed;
the cover plate is characterized in that a flexible cover plate is placed on the plate to be processed;
the pressing plate, the pressing plate member 220 moves vertically on the limiting plate 200, and presses the corner portions of the backing plate, the plate to be processed and the flexible cover plate;
the buckle plate is used for adjusting the buckle plate part 110 to enable the buckle plate part 110 to slide towards the flexible cover plate, and then adjusting a bolt on the buckle plate part 110 to enable the buckle plate part 110 to buckle the edge of the flexible cover plate downwards;
the cutter drilling is performed, the drilling platform 100 is adjusted in the front and rear direction, the drilling machine 500 is adjusted in the left and right direction, the drilling machine 500 is aligned with the cutter aligning hole 120 on the drilling platform 100, and then the drilling machine 500 is started to perform drilling.
Utilize limiting plate 200 and buckle spare 110 to realize the location to panel, compare in the location of gluing with the sticky tape, it is more convenient with limiting plate 200 and buckle spare 110's mode, can not produce the waste product when durable, be favorable to environmental protection.
In some embodiments, the backing plate is a wood plate to prevent drilling of a drill bit after drilling through the sheet material to be processed.
In some embodiments, the drilling platform 100 is provided with a scale or a graduation line, and the fast positioning is performed through the scale or the graduation line when the positioning is performed.
In some embodiments, in the sheathing step, the flexible sheathing is an aluminum plate having a density of 2.72 to 2.82g/cm3Compared with other metals with the same volume, the aluminum is light in weight, high in ductility and easy to drill through, and prevents the plate to be processed from generating burrs; aluminum also has good thermal conductivity and can absorb heat during drilling.
In some embodiments, the limiting plate 200 is provided with a first sliding groove 230, the pressing plate member 220 is connected with an elastic clamping piece 250 through a first sliding block 240, the first sliding block 240 is slidably connected in the first sliding groove 230, the edge of the first sliding groove 230 is provided with a plurality of bayonets 231, the pressing plate member 220 and the first sliding block 240 can slide in the first sliding groove 230 when the elastic clamping piece 250 is pulled up, when the pressing plate member 220 and the first sliding block 240 slide in place, the elastic clamping piece 250 is put down, the elastic clamping piece 250 clamps the bayonets 231 on the edge of the first sliding groove 230, and the movement of the pressing plate member 220 is locked to enable the pressing plate member 220 to press the flexible cover plate, so that the structure is simple and the purpose of adjusting the pressing plate member 220 is achieved.
In some embodiments, four buckling plate members 110 are provided, the four buckling plate members 110 are respectively arranged in four directions, namely front, back, left and right, of the upper surface of the drilling platform 100, and can be close to or far away from a machining position through sliding, a second sliding groove 160 is provided on the drilling platform 100, the buckling plate member 110 is slidably connected in the second sliding groove 160 through a second sliding block 170, the buckling plate member 110 is further connected with the second sliding block 170 through a bolt, when buckling, the buckling plate member 110 slides in the second sliding groove 160 along with the second sliding block 170, and is close to a plate to be machined, the bolt is adjusted again to enable the buckling plate member 110 to buckle the edge of the flexible cover plate, the structure is simple, and the adjustable function of the buckling plate member 110 can be realized.
In some embodiments, in the clamping step, the cross section of the limiting plate 200 is L-shaped, and the L-shaped openings of the two limiting plates 200 are arranged oppositely, when the two limiting plates 200 are close to each other, the oppositely arranged L-shaped openings clamp the backing plate and the corner of the plate to be processed first, and the plate to be processed is clamped more tightly by the L-shaped openings.
In some embodiments, in the step of drilling by the tool setting, the drilling platform 100 is further provided with a clearance hole 130, and the drill bit can fall into the clearance hole 130 each time the drill bit penetrates through the backing plate, so as to prevent the drill bit from contacting the drilling platform 100, which may result in breakage of the drill bit.
In some embodiments, the drilling platform 100 is made of one of wood, cast iron, or steel.
In some embodiments, the retainer plate 200 is made of stainless steel to prevent the retainer plate 200 from rusting to cause increased resistance to sliding, resulting in a binding failure.
It is noted that the drilling platform 100 comprises a clamping station 140 and four guide structures 150 arranged around the clamping station 140; the four limiting plates 200 are slidably connected to the corresponding guide structures 150, and the limiting plates 200 can approach or leave the clamping station 140 along the guide structures 150. Four limiting plates 200 connected at drilling platform 100 can restrict the removal of panel at drilling platform 100, compare in bonding with the sticky tape, this kind of mode convenient and fast who utilizes limiting plate 200 to can not produce the waste product, be favorable to environmental protection, it is also more convenient when four limiting plates 200 location panel simultaneously. It is understood that the guiding structure 150 may be a first sliding groove or a guide rail; the clamping station 140 is a position on the drilling platform 100 for placing the plate.
In some embodiments, two guiding structures 150 are disposed on the same sliding line, so that two of the four limiting plates 200 can clamp the board on the same line, that is, the acting force when the board is clamped is on one acting line, thereby preventing the board from rotating, and simultaneously clamping the board more stably, it can be understood that the four limiting plates 200 surround a rectangle, the guiding direction of the guiding structures 150 is along the sliding line, wherein the sliding line refers to a diagonal line of the rectangle, because the rectangle has two diagonal lines, the sliding line also has two, each sliding line has two limiting plates 200, when the two limiting plates 200 slide in opposite directions, two opposite corners of the board can be clamped, and when the four limiting plates 200 are disposed, four corners of the board can be clamped, and the limiting plates move in the plane of the upper surface of the drilling platform 100.
In some embodiments, the upper surface of the drilling platform 100 may be configured as a rectangle.
The cross section of the limiting plate 200 is in an L shape, the L-shaped openings of the two limiting plates 200 are arranged oppositely, the corners of the plate can be clamped by the L-shaped openings, the two opposite corners of the plate can be clamped better so as to stabilize the position of the plate on the drilling platform 100 by the L-shaped openings, it should be noted that the plate is generally a rectangular plate, and the four corners of the rectangular plate are all 90 degrees, so that the corners of the rectangular plate can be clamped by the L-shaped openings, and the plate can be clamped more stably.
In some embodiments, the lower end of the limiting plate 200 is provided with the spiral teeth 210, the spiral teeth 210 are in transmission connection with the lead screw 300, and the lead screw 300 rotates to drive the limiting plate 200 to slide on the guide structure 150, so that the driving method has high transmission precision, is more accurate when clamping a plate or positioning a plate, and is convenient for tool setting during drilling; the number of the lead screws 300 corresponds to the number of the limit plates 200, and the rotating shaft of the lead screw 300 is connected with a motor or a pneumatic motor.
In some embodiments, the lower end of the limiting plate 200 may also be directly provided with a sleeve with an internal thread, and the sleeve is in transmission connection with the lead screw 300.
The limiting plate 200 is connected with a pressing plate member 220, the pressing plate member 220 can be adjusted vertically, the pressing plate member 220 can press the upper end face of the corner of the plate, and the plate is limited from moving upwards, it should be noted that the limiting plate 200 is provided with a second chute 230, the pressing plate member 220 is slidably connected in the second chute 230, it can be understood that the pressing plate member 220 is connected with the limiting plate 200 through a clamping member, and the clamping member can be an elastic clamping piece 250, or a first bolt and a nut are matched and clamped; when the clamping member is the elastic clamping piece 250, the pressing plate member 220 is connected with the elastic clamping piece 250 through the first sliding block 240, the first sliding block 240 is slidably connected in the second sliding groove 230, the edge of the second sliding groove 230 on the limiting plate 200 is provided with a plurality of bayonets 231, and the elastic clamping piece 250 can be clamped in the bayonets 231. It will be appreciated that the platen member 220 is a sheeting.
The drilling platform 100 is connected with the buckling plate members 110, the buckling plate members 110 are used for buckling edges of plates to prevent the edges of the plates from bulging, it should be noted that the buckling plate members 110 are slidably connected to the drilling platform 100, the buckling plate members 110 are four, the four buckling plate members 110 are respectively arranged in four directions of the drilling platform 100, and the four buckling plate members can be close to or far away from the clamping station 140 through sliding. It can be understood that the drilling platform 100 is provided with a third sliding chute 160, the buckle component 110 is slidably connected in the third sliding chute 160 through a second sliding block 170, the buckle component 110 is further connected with the second sliding block 170 through a second bolt, and the second bolt can adjust the height of the buckle component 110 in the vertical direction to buckle the edges of the boards with different thicknesses. It will be appreciated that the clip member 110 is a clip.
In some embodiments, the drilling platform 100 is provided with a tool setting hole 120, and the tool setting hole 120 is used for setting a tool, i.e. giving an initial action position to the drilling machine, so as to ensure that a subsequent drilling process can be accurately performed.
In some embodiments, the drilling platform 100 is further provided with a clearance hole 130, and the clearance hole 130 is used for avoiding the drill bit, i.e. the drill bit falls into the clearance hole 130 when drilling through the plate material, so as to prevent the drill bit from being broken due to rigid contact with the drilling platform 100.
In some embodiments, the drill floor 100 is made of one of wood, cast iron, or steel, which may be a relatively loose texture that will not damage the drill bit even if misaligned when the drill floor 100 is made of wood, and may be more resistant to vibration and mechanical shock when the drill floor 100 is made of cast iron or steel.
A drilling device comprises a base 400, a drilling platform 100 is connected to the base 400 in a sliding mode along the front-back direction, and a drilling machine 500 is connected to the base 400 in a sliding mode along the left-right direction. The drilling platform 100 can slide in the front-back direction, the drilling machine 500 can slide in the left-right direction, and the movement combination of the drilling platform and the drilling machine 500 enables the drilling machine 500 to reach any position on the upper surface of the plate, so that the plate can be conveniently drilled.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. A method of drilling, comprising the steps of:
preparing, namely preparing a base plate with the same size as the plate to be processed;
positioning, namely positioning a machining position on a drilling platform;
feeding, namely placing a base plate at the found processing position, and then placing the plate to be processed on the base plate in an aligned manner;
the clamping mechanism drives a screw rod to rotate, so that a limiting plate in transmission connection with the screw rod slides along a guide structure and clamps a base plate and a corner of a plate to be processed, four limiting plates are wound into a rectangle, two diagonal lines of the rectangle are sliding lines, two limiting plates are arranged on each sliding line, when the two limiting plates slide oppositely, two opposite corners of the plate can be clamped, four limiting plates can clamp four corners of the plate, the lower end of each limiting plate is provided with a spiral tooth, the screw rod is in transmission connection with the screw rod, the screw rod rotates to drive the limiting plates to slide on the guide structure, a first sliding groove is arranged on each limiting plate, a pressing plate piece is connected with an elastic clamping piece through a first sliding block, the first sliding block is in sliding connection with the first sliding groove, the edge of the first sliding groove is provided with a plurality of bayonets, when the elastic clamping piece is pulled, the pressing plate piece and the first sliding block can slide in the first sliding groove, when the pressing plate piece and the first sliding block slide in place, the elastic clamping piece is put down to clamp the bayonet on the edge of the first sliding groove, and the movement of the pressing plate piece is locked to enable the pressing plate piece to press the flexible cover plate;
the cover plate is characterized in that a flexible cover plate is placed on the plate to be processed;
the pressing plate moves vertically on the limiting plate and presses the base plate, the plate to be processed and the corner part of the flexible cover plate;
the buckle plate is adjusted to slide towards the flexible cover plate, and then a bolt on the buckle plate is adjusted to enable the buckle plate to buckle the edge of the flexible cover plate downwards;
and (3) carrying out tool setting and drilling, adjusting the drilling platform in the front-back direction, adjusting the drilling machine in the left-right direction to enable the drilling machine to be aligned with the tool setting hole on the drilling platform, and then starting the drilling machine to drill.
2. A method of drilling a hole according to claim 1, wherein: the backing plate is a wood plate.
3. A method of drilling a hole according to claim 1, wherein: the drilling platform is provided with a scale or a scale mark, and the position can be quickly found through the scale or the scale mark when the position is found.
4. A method of drilling a hole according to claim 1, wherein: in the cover plate step, the flexible cover plate is an aluminum plate.
5. A method of drilling a hole according to claim 1, wherein: buckle spare is provided with four, four buckle spare sets up respectively on four directions in the front of drilling platform upper surface, back, left side and the right side to all can be close to or keep away from the processing position through sliding, the last second spout that is provided with of drilling platform, buckle spare passes through second slider sliding connection in the second spout, buckle spare still passes through bolted connection the second slider, when the buckle, buckle spare follows the second slider slides in the second spout to drawing close to waiting to process panel, adjusting bolt makes again buckle spare buckles the edge of flexible apron downwards.
6. A method of drilling a hole according to claim 1, wherein: in the clamping step, the cross section of each limiting plate is L-shaped, the L-shaped openings of the two limiting plates are arranged oppositely, and when the two limiting plates are close to each other, the oppositely arranged L-shaped openings firstly clamp the base plate and the corner of the plate to be processed.
7. A method of drilling a hole according to claim 1, wherein: in the step of tool setting and drilling, a clearance hole is further formed in the drilling platform, and the drill bit can fall into the clearance hole when penetrating through the base plate.
8. A method of drilling a hole according to claim 1, wherein: the drilling platform is made of one of wood, cast iron or steel.
9. A method of drilling a hole according to claim 1, wherein: the limiting plate is made of stainless steel.
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| CN202011006069.7A CN112203423B (en) | 2020-09-23 | 2020-09-23 | Drilling method |
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| CN202011006069.7A CN112203423B (en) | 2020-09-23 | 2020-09-23 | Drilling method |
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| CN112203423B true CN112203423B (en) | 2021-12-07 |
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| JPH11121901A (en) * | 1997-08-11 | 1999-04-30 | Mitsui Chem Inc | Manufacture of circuit board |
| CN107371330A (en) * | 2017-07-25 | 2017-11-21 | 深圳市景旺电子股份有限公司 | A kind of capillary processing method |
| CN210405815U (en) * | 2019-09-23 | 2020-04-24 | 苏州丰凡电子科技有限公司 | Stabilize spacing opposite-clamping formula frock for processing of circuit board |
| CN210878678U (en) * | 2019-10-28 | 2020-06-30 | 南京鼎固金属有限公司 | Clamping device of base plate drilling machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813495B (en) * | 2010-03-28 | 2012-03-14 | 柳州桂通科技有限公司 | Micromotion gear recognizer for field test automobile |
| CN105458685B (en) * | 2016-01-23 | 2018-08-28 | 宾兴 | A kind of automatic locking screw machine |
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2020
- 2020-09-23 CN CN202011006069.7A patent/CN112203423B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11121901A (en) * | 1997-08-11 | 1999-04-30 | Mitsui Chem Inc | Manufacture of circuit board |
| CN107371330A (en) * | 2017-07-25 | 2017-11-21 | 深圳市景旺电子股份有限公司 | A kind of capillary processing method |
| CN210405815U (en) * | 2019-09-23 | 2020-04-24 | 苏州丰凡电子科技有限公司 | Stabilize spacing opposite-clamping formula frock for processing of circuit board |
| CN210878678U (en) * | 2019-10-28 | 2020-06-30 | 南京鼎固金属有限公司 | Clamping device of base plate drilling machine |
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Effective date of registration: 20220426 Address after: 537502 Shi Niu Kou, Rongzhou Town, Rong County, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Rongxian Chuanggao Wood Industry Co.,Ltd. Address before: 1st floor, A2 workshop, 28 Dongfu street, Jingan Town, Doumen District, Zhuhai, Guangdong 519000 Patentee before: ZHUHAI HAIHUI ELECTRONICS CO.,LTD. |