CN209999342U - adjustable drilling device for printed circuit board - Google Patents
adjustable drilling device for printed circuit board Download PDFInfo
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- CN209999342U CN209999342U CN201920520027.1U CN201920520027U CN209999342U CN 209999342 U CN209999342 U CN 209999342U CN 201920520027 U CN201920520027 U CN 201920520027U CN 209999342 U CN209999342 U CN 209999342U
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Abstract
The utility model provides a adjustable drilling equipment for printed circuit board, including drilling equipment supporting box, remove the wheel, the sweeps receiving box, the conduction pipe, the control box, liftable drilling motor structure, conveniently connect fixed sweeps barrier structure, detectable circuit board supporting seat structure supports the slide bar, central processing unit, the lift control switch, drilling control switch, the display, hand push handle and hand grab handle, the removal wheel respectively bolted connection at the lower surface four corners position of drilling equipment supporting box the utility model discloses the rack protection casing specifically adopts curved stainless steel cover, is favorable to playing the guard action to rack plate and stainless steel gear, prolongs rack plate and stainless steel gear's life, and the setting of sweeps baffle, fixed slot, anterior guard flap, fixed intubate and L type location inserted bar is favorable to playing the effect that blocks the protection, prevents that the sweeps from splashing outward.
Description
Technical Field
The utility model belongs to the technical field of printed circuit board drilling, especially, relate to adjustable drilling equipment for printed circuit board.
Background
Printed circuit boards (PCB boards), also known as printed circuit boards, are providers of electrical connections for electronic components. Its development has been over 100 years old; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate.
Printed circuit boards are classified into single-board, double-board, four-board, six-board and other multi-layer boards according to the number of layers of the circuit board, and the definition of the name is somewhat disordered because the printed circuit boards are not -type end products, for example, a motherboard for a personal computer, called a motherboard, cannot be directly called a circuit board, although the motherboard has a circuit board, but is not identical, so the evaluation industry cannot say that the two are identical.
With the continuous progress of science and technology, the requirements for the surface quality of circuit board products become more and more strict, in order to meet the requirements for the quality of the circuit board products, the circuit board must be drilled without scratching the surface of the circuit board and damaging the conductive layer on the surface of the circuit.
The invention discloses a drilling device for processing a environment-friendly printed circuit board, which is disclosed as CN108633185A and comprises a cylinder, an electric control box, a rotating disc, a base, side plates, a controller, a top plate and a drill bit, wherein the side plates are fixedly installed on the left side of the top of the base, the top plate is fixedly installed on the top of the side plates, the cylinder is fixedly installed on the top of the top plate, the controller is fixedly installed on the outer wall of the front end of each side plate, an expansion link is fixedly installed at the bottom of the cylinder, the electric control box is arranged at the bottom of the expansion link, a motor box is fixedly installed at the bottom of the electric control box, a motor is fixedly installed inside the motor box, a transmission shaft of the motor penetrates through the outer side of the bottom of the motor box, and the drill bit is fixedly installed on the transmission shaft of the motor through a connecting piece.
Therefore, adjustable drilling devices for printed circuit boards are needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a adjustable drilling devices for printed circuit boards, which aims to solve the problems that the existing drilling devices for printed circuit boards are inconvenient in drilling control, do not have the function of preventing waste chips from splashing outside and inconvenient in detection and fixation of the printed circuit boards, adjustable drilling devices for printed circuit boards comprise a drilling device support box, a movable wheel, a waste chip receiving box, a waste chip guide tube, a control box and a lifting drilling motor structure, the waste chip blocking plate structure is convenient to connect and fix, the detectable circuit board support structure supports a sliding rod, a central processing unit, a lifting control switch, a drilling control switch, a display, a hand push handle and a hand grip, the movable wheel is respectively bolted at the four corners of the lower surface of the drilling device support box, the waste chip receiving box is placed at the right side position of the inner lower surface of the drilling device support box, the end of the waste chip guide tube is inserted at the inner upper side position of the waste chip receiving box, the end penetrates through the middle position of the upper surface of the support box of the waste chip guide rod and is connected with the detectable circuit board structure, the control box is connected with the middle position of the middle bolt of the lifting motor support box, the middle bolt of the lifting control rack is connected with the upper side of the middle position of the lifting control rack, the lifting control device, the middle bolt of the lifting control rack, the lifting control device is connected with the middle bolt of the lifting motor support box, the lifting control device is connected with the lifting control device, the lifting device is connected with the lifting device, the lifting.
Preferably, the waste chip blocking plate structure convenient to connect and fix comprises a waste chip blocking plate, fixing slots, a compressed air connecting pipe, an air injection pipe, a front protective blocking plate, a fixing insertion pipe and an L-shaped positioning insertion rod, wherein the fixing slots are respectively formed in the upper positions of the left side and the right side of the waste chip blocking plate; the compressed air connecting pipe is embedded in the left upper side of the rear surface of the scrap baffle; the air injection pipe is in threaded connection with the front end of the compressed air connecting pipe; the front protective baffle is hinged to the lower part of the scrap baffle; the fixed insertion pipes are respectively welded at the left side and the right side of the lower part of the front surface of the front protective baffle; the L-shaped positioning inserted link is inserted in the fixed cannula.
Preferably, the detectable circuit board supporting seat structure comprises a printed circuit board fixing seat, a scrap leaking hole, a puller bolt, a puller rubber disc, a printed circuit board clamping seat, a thickness comparison ruler and a drilling diameter detection column, wherein the scrap leaking hole is formed in the middle of the inner part of the printed circuit board fixing seat; the jacking bolt is in threaded connection with the middle position of the upper surface of the printed circuit board clamping seat; the jacking rubber disc is glued to the lower end of the jacking bolt; the printed circuit board clamping seats are respectively glued at the left side and the right side of the upper surface; the thickness comparison ruler is longitudinally glued at the right side of the upper surface of the printed circuit board fixing seat; the drilling diameter detection column is connected to the middle position of the upper surface of the thickness comparison ruler in a gluing mode.
Preferably, the stainless steel gear is meshed with the rack plate; the stainless steel gear is arranged on the inner side of the rack protective cover; the rack protective cover is an arc-shaped stainless steel cover.
Preferably, the rack plate is connected with the support sliding rod through a bolt; the support sliding rod is a cylindrical stainless steel rod.
Preferably, the drilling motor is arranged at the front part of the supporting slide rod; the moving wheel is a rubber universal wheel with a brake pad.
Preferably, the L-shaped positioning inserted link penetrates through the fixed insertion tube and is inserted into the fixed slot; the scrap baffle is a U-shaped stainless steel plate; the scrap baffle is connected with the upper surface of the drilling device supporting box through screws.
Preferably, the thickness comparison ruler body adopts a stainless steel ruler; the thickness comparison ruler is arranged on the right side of the printed circuit board clamping seat arranged on the right side; the printed circuit board clamping seat is a U-shaped stainless steel seat; the printed circuit board clamping seat and the printed circuit board clamping seat are oppositely arranged.
Preferably, the thickness comparison ruler is provided with scale marks in millimeter on the front surface; the printed circuit board fixing seat is connected to the middle position of the upper surface of the drilling device supporting box through bolts.
Preferably, the scrap leaking hole is communicated with the interior of the scrap receiving box through a scrap guide pipe, the scrap receiving box is a PVC plastic box with an opening at the upper part, and the drilling device supporting box is a stainless steel box with a stainless steel box arranged on the front surface.
Preferably, the lifting control switch, the drilling control switch, the display, the drilling motor and the lifting motor are respectively and electrically connected with the central processing unit; the central processor is a processor with the model number of I8700; the display is a display with the model number of TJ-150TC 04; the drilling motor is a motor with the model number of 80BL95D 30; the lifting motor is a motor with the model number XJZ-42-775.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, rack protection casing specifically adopt curved stainless steel cover, be favorable to playing the guard action to rack plate and stainless steel gear, prolong rack plate and stainless steel gear's life.
2. The utility model discloses in, rack plate, drilling motor, the drill bit, the setting of elevator motor and stainless steel gear is favorable to carrying out the regulation of height, the convenient drilling needs to printed circuit board.
3. The utility model discloses in, bits hourglass material hole be linked together through the inside of leading bits pipe and sweeps receiving box, be favorable to collecting the sweeps that produces among the drilling process, maintain good environment.
4. The utility model discloses in, sweeps baffle, fixed slot, anterior guard flap, the setting of fixed intubate and L type location inserted bar is favorable to playing the effect that blocks the protection, prevents that the sweeps from spattering outward.
5. The utility model discloses in, the setting of compressed air connecting pipe and jet-propelled pipe, be favorable to connecting outside air compressor, blow and can clear up the sweeps that produces at the drilling in-process.
6. The utility model discloses in, the tight bolt in top, the setting of the tight rubber disk in top and printed circuit board holder is favorable to pressing from both sides tightly fixedly according to the difference of printed circuit board thickness, guarantees effectively going on of drilling operation.
7. The utility model discloses in, thickness compare the setting of chi and drilling diameter detection post, be favorable to looking over the thickness of printed circuit board to can compare the detection to drilling diameter.
8. The utility model discloses in, the setting of removal wheel, hand push handle and grab handle be favorable to removing and fixing drilling equipment, increase the convenience of using.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structure schematic diagram of the liftable drilling motor structure of the utility model.
Fig. 3 is a schematic structural view of the convenient-to-connect and-fix sweeps blocking plate structure of the present invention.
Fig. 4 is a schematic structural diagram of the detectable circuit board supporting seat structure of the present invention.
Fig. 5 is a schematic diagram of the electrical connection of the present invention.
In the figure:
1. a drilling device support box; 2. a moving wheel; 3. a scrap receiving bin; 4. a scrap guide pipe; 5. a control box; 6. a drilling motor structure can be lifted; 61. a rack shield; 62. a rack plate; 63. a drilling motor; 64. a drill bit; 65. a lifting motor; 66. a stainless steel gear; 7. the scrap baffle structure is convenient to connect and fix; 71. a scrap baffle; 72. fixing the slot; 73. a compressed air connecting pipe; 74. a gas ejector tube; 75. a front guard shield; 76. fixing the cannula; 77. an L-shaped positioning inserted link; 8. the circuit board supporting seat structure can be detected; 81. a printed circuit board holder; 82. a scrap discharge hole; 83. jacking the bolt; 84. tightly pushing the rubber disc; 85. a printed circuit board holder; 86. a thickness comparison ruler; 87. drilling a diameter detection column; 9. supporting the sliding rod; 10. a central processing unit; 11. a lifting control switch; 12. a drilling control switch; 13. a display; 14. a hand push handle; 15. a handle.
Detailed Description
The present invention will be described in with reference to the accompanying drawings:
example (b):
as shown in the accompanying drawings 1-2, the utility model provides adjustable drilling devices for printed circuit boards, which comprises a drilling device support box 1, a movable wheel 2, a scrap receiving box 3, a scrap guide tube 4, a control box 5, a liftable drilling motor structure 6, a scrap blocking plate structure 7 convenient to connect and fix, a detectable circuit board support seat structure 8, a support slide bar 9, a central processing unit 10, a lifting control switch 11, a drilling control switch 12, a display 13, a hand push handle 14 and a hand grab handle 15, wherein the movable wheel 2 is respectively bolted at four corners of the lower surface of the drilling device support box 1, the scrap receiving box 3 is placed at the right side of the inner lower surface of the drilling device support box 1, the scrap guide tube 4 is inserted at the upper side of the inner part of the scrap receiving box 3, the other end penetrates through the middle position of the upper surface of the drilling device support box 1 and is connected with the detectable circuit board support structure 8, the control box 5 is screwed at the upper position of the right side of the support box 1, the liftable drilling motor handle structure 6 is connected with the rack control motor support box 1 through a lifting control switch 6, the rack control switch structure 62, the rack control motor structure 62 is connected with the motor structure 6, the rack control motor structure 62, the motor structure 6, the rack control motor structure 6 is connected with the rack control motor structure 6, the rack control device 1, the rack control motor structure 6, the rack control device 6 is connected with the rack control device 1, the rack control device 6, the rack control structure 6, the rack control device is connected with the rack control device, the rack control device 6, the rack control structure 6, the rack control device 6, the rack control device is connected with the rack control device, the rack control device 6, the rack control device is connected with the rack control device, the rack control device is connected with the rack control device, the rack control device is connected with the rack control device, the rack.
In the above embodiment, as shown in fig. 3, specifically, the waste blocking plate structure 7 convenient for connection and fixation includes a waste blocking plate 71, a fixing slot 72, a compressed air connecting pipe 73, an air injection pipe 74, a front protective blocking plate 75, a fixing insertion pipe 76 and an L-shaped positioning insertion rod 77, where the fixing slot 72 is respectively opened at the upper positions of the left and right sides of the waste blocking plate 71; the compressed air connecting pipe 73 is embedded at the left upper side of the rear surface of the scrap baffle 71; the air injection pipe 74 is in threaded connection with the front end of the compressed air connecting pipe 73; the front protective baffle 75 is hinged to the lower part of the scrap baffle 71; the fixed insertion pipes 76 are respectively welded at the left side and the right side of the lower part of the front surface of the front protective baffle 75; the L-shaped positioning inserted rod 77 is inserted into the fixed insertion tube 76; the front guard 75 is closed upward, and an L-shaped positioning insertion rod 77 is inserted into the fixing insertion slot 72 through the fixing insertion tube 76, thereby serving as a fixing restraint.
As shown in fig. 4, in the above embodiment, specifically, the detectable circuit board supporting seat structure 8 includes a printed circuit board fixing seat 81, a scrap leakage hole 82, a tightening bolt 83, a tightening rubber plate 84, a printed circuit board clamping seat 85, a thickness comparison ruler 86 and a drilling diameter detection column 87, wherein the scrap leakage hole 82 is formed in the middle position inside the printed circuit board fixing seat 81; the puller bolt 83 is in threaded connection with the middle position of the upper surface of the printed circuit board clamping seat 85; the tightening rubber disc 84 is glued to the lower end of the tightening bolt 83; the printed circuit board clamping seats 85 are respectively glued at the left side and the right side of the upper surface; the thickness comparison ruler 86 is longitudinally glued at the right side of the upper surface of the printed circuit board fixing seat 81; the drilling diameter detection column 87 is glued in the middle of the upper surface of the thickness comparison ruler 86; the hand grab handle 15 is held to push the hand push handle 14 with force, the drilling device is moved to a position to be used under the action of the moving wheel 2, the brake pad on the moving wheel 2 is fixed, and an external power supply is switched on; the printed circuit board is transversely placed between the printed circuit board holder 85 and the printed circuit board holder 85, and the puller bolt 83 is screwed clockwise, so that the puller rubber disc 84 is tightly propped against the upper surface of the printed circuit board, and the printed circuit board is fixed.
In the above embodiment, specifically, the stainless steel gear 66 and the rack plate 62 are engaged; the stainless steel gear 66 is arranged on the inner side of the rack protective cover 61; the rack protective cover 61 is an arc-shaped stainless steel cover.
In the above embodiment, specifically, the rack plate 62 is connected with the support slide rod 9 by bolts; the supporting slide rod 9 is a cylindrical stainless steel rod.
In the above embodiment, specifically, the drilling motor 63 is disposed at the front of the supporting slide rod 9; the moving wheel 2 is a rubber universal wheel with a brake pad.
In the above embodiment, specifically, the L-shaped positioning insertion rod 77 penetrates through the fixing insertion tube 76 and is inserted into the fixing insertion slot 72; the scrap baffle 71 is a U-shaped stainless steel plate; the scrap baffle 71 is connected with the upper surface of the drilling device supporting box 1 through screws.
In the above embodiment, the thickness comparison ruler 86 is a stainless steel ruler; the thickness comparison ruler 86 is arranged on the right side of the printed circuit board clamping seat 85 arranged on the right side; the printed circuit board holder 85 is a U-shaped stainless steel holder; the printed circuit board holder 85 and the printed circuit board holder 85 are arranged oppositely.
In the above embodiment, specifically, the thickness comparison ruler 86 has scale marks in millimeters on the front surface; the printed circuit board fixing seat 81 is connected to the middle position of the upper surface of the drilling device supporting box 1 through a bolt.
In the above embodiment, the scrap discharge hole 82 is communicated with the inside of the scrap receiving box 3 through the scrap guide pipe 4, the scrap receiving box 3 is a PVC plastic box with an opening at the upper part, and the drilling device support box 1 is a stainless steel box with a stainless steel box on the front surface.
In the above embodiment, specifically, the lifting control switch 11, the drilling control switch 12, the display 13, the drilling motor 63 and the lifting motor 65 are respectively electrically connected to the central processing unit 10; the central processing unit 10 specifically adopts a processor with the model number of I8700; the display 13 is a display with model number TJ-150TC 04; the drilling motor 63 is a motor with the model number of 80BL95D 30; the lifting motor 65 is a motor with the model number XJZ-42-775.
Principle of operation
When the utility model is used, the hand grab handle 15 is held to push the hand push handle 14, the drilling device is moved to the position to be used under the action of the moving wheel 2, the brake pad on the moving wheel 2 is fixed, and the external power supply is switched on; transversely placing the printed circuit board between the printed circuit board holder 85 and the printed circuit board holder 85, and screwing the puller bolt 83 clockwise to ensure that the puller rubber disc 84 is tightly propped against the upper surface of the printed circuit board to play a role in fixing the printed circuit board; the front protective baffle 75 is closed to the upper side, and the L-shaped positioning insertion rod 77 penetrates through the fixing insertion pipe 76 and is inserted into the fixing slot 72 to play a role in fixing and restraining; the lifting motor 65 is started through the lifting control switch 11, the stainless steel gear 66 is driven to move downwards on the rack plate 62, the drilling motor 63 is driven to move downwards, the drilling motor 63 is started through the drilling control switch 12, and the drill bit 64 is driven to rotate under the action of the drilling motor 63, so that the printed circuit board is drilled; during the drilling process, the generated scraps fall into the scrap guide pipe 4 through the scrap discharge hole 82 and then slide into the scrap receiving box 3.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
- The adjustable drilling device for the printed circuit board is characterized by comprising a drilling device support box (1), a moving wheel (2), a scrap receiving box (3), a scrap guide pipe (4), a control box (5), a liftable drilling motor structure (6), a scrap blocking plate structure (7) convenient to connect and fix, a detectable circuit board support seat structure (8) supporting a sliding rod (9), a central processing unit (10), a lifting control switch (11), a drilling control switch (12), a display (13), a hand push handle (14) and a hand grab handle (15), wherein the moving wheel (2) is respectively bolted at four corners of the lower surface of the drilling device support box (1), the scrap receiving box (3) is placed at the right side position of the inner lower surface of the drilling device support box (1), the scrap guide pipe (4) is inserted at the upper side position of the inner portion of the scrap receiving box (3), the end of the other end penetrates through the middle surface of the drilling device support box (1) and is connected with a drilling control rack bolt of the middle lifting control support box (1), the lifting control motor support box (6) is connected with the rack control support structure (1), the lifting control device support structure (6), the lifting control device support box (1), the lifting control device is connected with the rack support structure (6), the rack control device (1), the lifting control device (6), the rack lifting control device (6) at the upper side of the rack lifting control device support structure (9), the rack lifting control device (6), the rack lifting control device (6) is connected with the rack lifting control device, the rack lifting control device (6) at the rack lifting control device, the rack lifting control device (1), the rack lifting control device (6), the rack lifting control device (6) at the rack lifting control device, the rack lifting control device (6) at the rack lifting control device (1), the rack lifting control device (1) at the rack lifting control device, the rack lifting device (6) at the rack lifting control device, the rack lifting device, the rack lifting device (1) at the rack lifting control device, the rack lifting device (6) at the rack lifting device, the rack lifting device.
- 2. The adjustable drilling device for the printed circuit board according to claim 1, wherein the debris barrier structure (7) facilitating connection and fixation comprises a debris baffle (71), a fixation slot (72), a compressed air connection pipe (73), an air injection pipe (74), a front guard baffle (75), a fixation insertion pipe (76) and an L-shaped positioning insertion rod (77), wherein the fixation slot (72) is respectively arranged at the upper positions of the left side and the right side of the debris baffle (71); the compressed air connecting pipe (73) is embedded in the left upper side of the rear surface of the scrap baffle (71); the air injection pipe (74) is in threaded connection with the front end of the compressed air connecting pipe (73); the front protective baffle (75) is hinged to the lower part of the scrap baffle (71); the fixed insertion pipes (76) are respectively welded at the left side and the right side of the lower part of the front surface of the front protective baffle (75); the L-shaped positioning insertion rod (77) is inserted in the fixed insertion tube (76).
- 3. The adjustable drilling device for printed circuit boards according to claim 1, wherein the detectable circuit board support seat structure (8) comprises a printed circuit board fixing seat (81), a scrap discharge hole (82), a tightening bolt (83), a tightening rubber disc (84), a printed circuit board clamping seat (85), a thickness comparison ruler (86) and a drilling diameter detection column (87), wherein the scrap discharge hole (82) is formed in the middle of the inside of the printed circuit board fixing seat (81); the puller bolt (83) is in threaded connection with the middle position of the upper surface of the printed circuit board clamping seat (85); the tightening rubber disc (84) is glued to the lower end of the tightening bolt (83); the printed circuit board clamping seats (85) are respectively glued at the left side and the right side of the upper surface; the thickness comparison ruler (86) is longitudinally glued at the right side of the upper surface of the printed circuit board fixing seat (81); the drilling diameter detection column (87) is glued at the middle position of the upper surface of the thickness comparison ruler (86).
- 4. The adjustable drill assembly for printed circuit boards of claim 1 wherein said stainless steel gear (66) is disposed in meshing engagement with said rack plate (62); the stainless steel gear (66) is arranged on the inner side of the rack protective cover (61); the rack protective cover (61) is an arc-shaped stainless steel cover.
- 5. An adjustable drilling device for printed circuit boards as claimed in claim 1, characterized in that the rack plate (62) is arranged in a bolted connection with the support slide (9); the supporting sliding rod (9) is a cylindrical stainless steel rod.
- 6. Adjustable drilling device for printed circuit boards according to claim 1, characterized in that the drilling motor (63) is arranged in front of the support slide (9); the moving wheel (2) is a rubber universal wheel with a brake pad.
- 7. The adjustable drilling device for printed circuit boards as claimed in claim 2, wherein the L-shaped positioning pin (77) is inserted through the fixing insertion tube (76) into the fixing insertion groove (72); the scrap baffle (71) is a U-shaped stainless steel plate; the scrap baffle (71) is connected with the upper surface of the drilling device support box (1) through screws.
- 8. An adjustable drilling device for printed circuit boards according to claim 3, wherein the thickness comparison ruler (86) is a stainless steel ruler; the thickness comparison ruler (86) is arranged on the right side of a printed circuit board clamping seat (85) arranged on the right side; the printed circuit board clamping seat (85) is a U-shaped stainless steel seat; the printed circuit board clamping seat (85) and the printed circuit board clamping seat (85) are arranged oppositely.
- 9. An adjustable drilling device for printed circuit boards according to claim 3, wherein the thickness comparison ruler (86) is provided with graduation marks in millimetres on the front surface; the printed circuit board fixing seat (81) is connected to the middle position of the upper surface of the drilling device supporting box (1) through a bolt.
- 10. The adjustable printed circuit board drilling device as claimed in claim 3, wherein the scrap discharge hole (82) is communicated with the inside of the scrap receiving box (3) through a scrap guide pipe (4), the scrap receiving box (3) is a PVC plastic box with an upper opening, and the drilling device support box (1) is a stainless steel box with a stainless steel box on the front surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920520027.1U CN209999342U (en) | 2019-04-17 | 2019-04-17 | adjustable drilling device for printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920520027.1U CN209999342U (en) | 2019-04-17 | 2019-04-17 | adjustable drilling device for printed circuit board |
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| Publication Number | Publication Date |
|---|---|
| CN209999342U true CN209999342U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920520027.1U Active CN209999342U (en) | 2019-04-17 | 2019-04-17 | adjustable drilling device for printed circuit board |
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| Country | Link |
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| CN (1) | CN209999342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842969A (en) * | 2020-07-24 | 2020-10-30 | 安庆创跃电器有限公司 | Laser blade aluminium back of body strip drilling positioner |
-
2019
- 2019-04-17 CN CN201920520027.1U patent/CN209999342U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842969A (en) * | 2020-07-24 | 2020-10-30 | 安庆创跃电器有限公司 | Laser blade aluminium back of body strip drilling positioner |
| CN111842969B (en) * | 2020-07-24 | 2023-06-23 | 安庆创跃电器有限公司 | Laser blade aluminum back strip drilling positioning device |
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