CN111391021A - Self-positioning flexible drilling device for circuit board - Google Patents

Self-positioning flexible drilling device for circuit board Download PDF

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Publication number
CN111391021A
CN111391021A CN202010254333.2A CN202010254333A CN111391021A CN 111391021 A CN111391021 A CN 111391021A CN 202010254333 A CN202010254333 A CN 202010254333A CN 111391021 A CN111391021 A CN 111391021A
Authority
CN
China
Prior art keywords
screw
plate
circuit board
bevel gear
self
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.)
Withdrawn
Application number
CN202010254333.2A
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Chinese (zh)
Inventor
高翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shantou Xingbang Technology Consulting Co ltd
Original Assignee
Shantou Xingbang Technology Consulting Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shantou Xingbang Technology Consulting Co ltd filed Critical Shantou Xingbang Technology Consulting Co ltd
Priority to CN202010254333.2A priority Critical patent/CN111391021A/en
Publication of CN111391021A publication Critical patent/CN111391021A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/16—Perforating by tool or tools of the drill type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02—Means for moving the cutting member into its operative position for cutting
    • B26D5/06—Means for moving the cutting member into its operative position for cutting by electrical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0608—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by pushers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
    • B26F2210/08—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of ceramic green sheets, printed circuit boards and the like

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The invention discloses a self-positioning flexible drilling device for a circuit board, which comprises a bottom plate, and a feeding mechanism and a drilling mechanism which are arranged on the bottom plate, wherein the feeding mechanism and the drilling mechanism are sequentially arranged along the feeding direction of the circuit board; the feeding mechanism comprises a storage box and a material pushing plate, the storage box is fixedly arranged on the bottom plate, a plurality of circuit boards are stored and placed in the storage box, and a feed opening is formed in the lower portion of the storage box; drilling mechanism includes base and fixed mounting in the curb plate on base right side, and the upside fixed mounting of curb plate has the roof, the left and right sides symmetry on the base is rotated and is installed two clamp plates, and the even fixed mounting in inboard of clamp plate has a plurality of extrusion poles. In the feeding process of the material pushing plate, the push rod drives the pressing plate to swing, and the circuit board is extruded and fixed by the extrusion rod, so that the circuit board is prevented from moving in the drilling process, and the drilling effect is improved.

Description

Self-positioning flexible drilling device for circuit board
Technical Field
The invention relates to the technical field of circuit board production, in particular to a self-positioning flexible drilling device for a circuit board.
Background
The punching machine (also called as a puncher or a piercing press) for the printed circuit board, which is an indispensable processing device in the process of manufacturing the printed circuit board, has the working efficiency and the processing precision which directly affect the whole process of manufacturing the printed circuit board. In order to improve the punching efficiency, many manufacturers abroad actively research the full-automatic positioning punching machine. Particularly, the series products represented by Japanese Yamaha have the advantages of high processing speed of 0.4 second/hole, high production efficiency and large processing area, but because the punched objects are not moved, the whole machine head moves forwards, backwards, leftwards, rightwards and upwards and downwards greatly to achieve the purposes of automatically searching targets and punching holes, the defects of high inertia of the whole moving mechanism, high energy consumption, expensive manufacture and high maintenance cost exist. Therefore, few manufacturers in China use the equipment, even if large-scale enterprises are used, and a large number of small and medium-scale enterprises basically have no capacity to use the equipment.
Disclosure of Invention
The invention aims to provide a self-positioning flexible drilling device for a circuit board, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-positioning flexible drilling device for a circuit board comprises a bottom plate, a feeding mechanism and a drilling mechanism, wherein the feeding mechanism and the drilling mechanism are arranged on the bottom plate and are sequentially arranged along the feeding direction of the circuit board; the feeding mechanism comprises a storage box and a material pushing plate, the storage box is fixedly arranged on the bottom plate, a plurality of circuit boards are stored and placed in the storage box, and a feed opening is formed in the lower portion of the storage box; drilling mechanism includes base and fixed mounting in the curb plate on base right side, and the upside fixed mounting of curb plate has the roof, the left and right sides symmetry on the base is rotated and is installed two clamp plates, and the even fixed mounting in inboard of clamp plate has a plurality of extrusion poles.
As a further scheme of the invention: the material pushing device is characterized in that a first screw rod is rotatably arranged inside the bottom plate, a first threaded sleeve is arranged on the first screw rod in a threaded connection mode, the bottom of the first threaded sleeve is connected with the bottom plate in a sliding mode, and the upper portion of the first threaded sleeve is fixedly connected with the material pushing plate.
According to a further scheme of the invention, a second screw rod is rotatably mounted in the base, two external threads with opposite rotation directions are symmetrically arranged on the left side and the right side of the second screw rod, two second thread sleeves are symmetrically and threadedly connected on the left side and the right side of the second screw rod, the bottom of each second thread sleeve is slidably connected with the base, and a push rod is fixedly mounted on the upper side of each second thread sleeve and is of an L-shaped structure.
As a still further scheme of the invention: the bottom of the pressure plate is fixedly connected with the base through an expansion spring.
As a still further scheme of the invention: and a rotating motor for driving the second screw rod to rotate is fixedly arranged on the bottom plate.
As a still further scheme of the invention: still rotate on the bottom plate and install the connection pivot, the upper end of connecting the pivot is connected with the transmission of second screw rod, connects the lower extreme of pivot, and symmetry fixed mounting has last bevel gear and bevel gear down, goes up bevel gear and bevel gear down and is half bevel gear structure, the one end fixed mounting of first screw rod has conical gear, and conical gear's upper and lower both sides are respectively in last bevel gear and bevel gear meshing down, go up the bevel gear and contact with conical gear in proper order with lower bevel gear when rotating.
As a still further scheme of the invention: the length of the material pushing plate is larger than the distance from the left side of the storage box to the right side of the base.
As a still further scheme of the invention: the bottom of roof is rotated and is installed the third screw rod, and the horizontal fixed mounting of downside of third screw rod has the slide bar, and threaded connection has the third swivel nut on the third screw rod, third swivel nut and slide bar sliding connection, and the downside fixed mounting of third swivel nut has the mounting panel, and mounting panel downside fixed mounting has electric telescopic handle, and electric telescopic handle's flexible fixed mounting has the drilling rod.
As a still further scheme of the invention: the utility model discloses a dust collection device, including mounting panel, roof, dust collection fan, tuber pipe and dust collection head, the mounting panel below is located electric telescopic handle's left and right sides symmetry fixed mounting has two dust collection heads, roof bottom still fixed mounting has dust collection fan, and dust collection fan's air inlet end passes through tuber pipe and dust collection head fixed connection.
As a still further scheme of the invention: the extrusion rod comprises sleeve and slide bar, and the one end slidable mounting of slide bar is in telescopic inside, and through connecting spring and sleeve fixed connection, the other end fixed mounting of slide bar has the extrusion head, and the extrusion head is made by elastic material.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the feeding mechanism and the drilling mechanism are sequentially arranged on the bottom plate along the feeding direction of the circuit board, the circuit board is pushed to the base through the material pushing plate to be drilled, the first screw rod and the second screw rod are in transmission connection by using the connecting rotating shaft, the push rod drives the pressing plate to swing in the feeding process of the material pushing plate, and the circuit board is extruded and fixed by using the extrusion rod, so that the circuit board is prevented from moving in the drilling process, and the drilling effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of a self-positioning flexible drilling device for a circuit board.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a side view of a circuit board self-locating flexible drilling apparatus.
Fig. 4 is a schematic structural diagram of an embodiment 2 of the circuit board self-positioning flexible drilling device.
Fig. 5 is a schematic structural diagram of an extrusion rod in embodiment 2 of the self-positioning flexible drilling device for the circuit board.
In the figure: 1-a bottom plate, 2-a material pushing plate, 3-a storage box, 4-a circuit board, 5-a first screw sleeve, 6-a first screw rod, 7-a base, 8-a side plate, 9-a conical gear, 10-a connecting rotating shaft, 11-an upper conical gear, 12-a lower conical gear, 13-a conical gear set, 14-a second screw rod, 15-a second screw sleeve and 16-a push rod, 17-pressing plate, 18-extension spring, 19-extrusion rod, 20-rotating motor, 21-top plate, 22-third screw, 23-third screw sleeve, 24-driving motor, 25-sliding rod, 26-mounting plate, 27-electric telescopic rod, 28-drilling rod, 29-dust-collecting head, 30-sleeve, 31-sliding rod and 32-extrusion head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, a circuit board self-positioning flexible drilling device includes a bottom plate 1, and a feeding mechanism and a drilling mechanism installed on the bottom plate 1, where the feeding mechanism and the drilling mechanism are sequentially arranged along a feeding direction of a circuit board; the feeding mechanism comprises a storage box 3 and a material pushing plate 2, the storage box 3 is fixedly installed on a bottom plate 1, a plurality of circuit boards 4 are stored and placed in the storage box 3, a feed opening is formed in the lower portion of the storage box 3, the size of the feed opening is slightly larger than that of each circuit board 4, each circuit board 4 falls from the feed opening and is parked on the bottom plate 1, and the material pushing plate 2 pushes the circuit boards 4 to move towards the drilling mechanism when moving; a first screw 6 is rotatably installed inside the bottom plate 1, a first threaded sleeve 5 is installed on the first screw 6 in a threaded connection mode, the bottom of the first threaded sleeve 5 is connected with the bottom plate 1 in a sliding mode, the upper portion of the first threaded sleeve 5 is fixedly connected with the material pushing plate 2 and used for driving the material pushing plate 2 to move, and the material pushing plate 2 is used for pushing the circuit board 4 to move into the base 7;
the drilling mechanism comprises a base 7 and a side plate 8 fixedly installed on the right side of the base 7, a top plate 21 is fixedly installed on the upper side of the side plate 8, two pressing plates 17 are symmetrically and rotatably installed on the left side and the right side of the base 7, a plurality of extrusion rods 19 are uniformly and fixedly installed on the inner sides of the pressing plates 17, a second screw 14 is rotatably installed in the base 7, two external threads with opposite rotation directions are symmetrically arranged on the left side and the right side of the second screw 14, two second screw sleeves 15 are further symmetrically and spirally connected to the left side and the right side of the second screw 14, the bottom of each second screw sleeve 15 is slidably connected with the base 7, a push rod 16 is fixedly installed on the upper side of each second screw sleeve 15, each push rod 16 is of a L type structure, the two second screw sleeves 15 are driven to move oppositely when the second screw sleeves 15 rotate, the push rod 16 is further driven to push the;
specifically, in this embodiment, the bottom of the pressure plate 17 is fixedly connected to the base 7 through the expansion spring 18;
specifically, in this embodiment, the bottom plate 1 is fixedly provided with a rotating motor 20 for driving the second screw 14 to rotate;
the bottom plate 1 is further rotatably provided with a connecting rotating shaft 10, the upper end of the connecting rotating shaft 10 is in transmission connection with a second screw 14, the lower end of the connecting rotating shaft 10 is symmetrically and fixedly provided with an upper bevel gear 11 and a lower bevel gear 12, the upper bevel gear 11 and the lower bevel gear 12 are both in half bevel gear structures, one end of the first screw 6 is fixedly provided with a bevel gear 9, the upper side and the lower side of the bevel gear 9 are respectively meshed with the upper bevel gear 11 and the lower bevel gear 12, the upper bevel gear 11 and the lower bevel gear 12 are sequentially contacted with the bevel gear 9 when rotating, so that the bevel gear 9 and the first screw 6 are driven to continuously rotate clockwise and anticlockwise, the first thread sleeve 5 drives the material pushing plate 2 to move left and right, and after the material pushing plate 2 drives the circuit board 4 to move to the base 7, the first thread sleeve 5 drives the material pushing plate 2 to reset for next feeding;
specifically, in the embodiment, in order to prevent the circuit board 4 from falling from the inside of the storage box 3 during the movement of the material pushing plate 2, the length of the material pushing plate 2 is greater than the distance from the left side of the storage box 3 to the right side of the base 7;
a third screw 22 is rotatably mounted at the bottom of the top plate 21, a slide rod 25 is transversely and fixedly mounted at the lower side of the third screw 22, a third screw sleeve 23 is connected to the third screw 22 in a threaded manner, the third screw sleeve 23 is slidably connected with the slide rod 25, a mounting plate 26 is fixedly mounted at the lower side of the third screw sleeve 23, an electric telescopic rod 27 is fixedly mounted at the lower side of the mounting plate 26, and a drill rod 28 is fixedly mounted at the telescopic end of the electric telescopic rod 27;
specifically, in this embodiment, a driving motor 24 for driving the third screw 22 to rotate is further fixedly installed on the side plate 8.
Example 2
Referring to fig. 4 and 5, the present embodiment is different from embodiment 1 in that:
two dust collection heads 29 are symmetrically and fixedly installed below the installation plate 26 at the left side and the right side of the electric telescopic rod 27, a dust collection fan is further fixedly installed at the bottom of the top plate 21, and an air inlet end of the dust collection fan is fixedly connected with the dust collection heads 29 through an air pipe, so that dust particles generated during drilling are absorbed when the drill rod 28 drills;
the extrusion rod 19 is composed of a sleeve 30 and a sliding rod 31, one end of the sliding rod 31 is slidably mounted inside the sleeve 30 and is fixedly connected with the sleeve 30 through a connecting spring, the other end of the sliding rod 31 is fixedly mounted with an extrusion head 32, and the extrusion head 32 is made of elastic materials.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A self-positioning flexible drilling device for a circuit board is characterized by comprising a bottom plate (1), and a feeding mechanism and a drilling mechanism which are arranged on the bottom plate (1), wherein the feeding mechanism and the drilling mechanism are sequentially arranged along the feeding direction of the circuit board; the feeding mechanism comprises a storage box (3) and a material pushing plate (2), the storage box (3) is fixedly arranged on the bottom plate (1), a plurality of circuit boards (4) are stored in the storage box (3), and a feed opening is formed in the lower part of the storage box (3); drilling mechanism includes base (7) and fixed mounting in curb plate (8) on base (7) right side, and the upside fixed mounting of curb plate (8) has roof (21), two clamp plates (17) are installed in the left and right sides symmetry rotation on base (7), and the even fixed mounting in inboard of clamp plate (17) has a plurality of extrusion poles (19).
2. The circuit board self-positioning flexible drilling device according to claim 1, wherein a first screw (6) is rotatably mounted inside the bottom plate (1), a first threaded sleeve (5) is mounted on the first screw (6) in a threaded connection manner, the bottom of the first threaded sleeve (5) is slidably connected with the bottom plate (1), and the upper part of the first threaded sleeve (5) is fixedly connected with the material pushing plate (2).
3. The self-positioning flexible drilling device for the circuit board according to claim 2, wherein a second screw (14) is rotatably mounted inside the base (7), two types of external threads with opposite rotation directions are symmetrically arranged on the left side and the right side of the second screw (14), two second thread sleeves (15) are further symmetrically and threadedly connected on the left side and the right side of the second screw (14), the bottom of each second thread sleeve (15) is slidably connected with the base (7), a push rod (16) is fixedly mounted on the upper side of each second thread sleeve (15), and each push rod (16) is of an L type structure.
4. The self-positioning flexible drilling device for circuit boards according to claim 3, characterized in that the bottom of the pressure plate (17) is fixedly connected with the base (7) through a telescopic spring (18).
5. The self-positioning flexible drilling device for the circuit board according to claim 4, characterized in that a rotating motor (20) driving the second screw (14) to rotate is fixedly installed on the bottom plate (1).
6. The circuit board self-positioning flexible drilling device according to claim 5, wherein the bottom plate (1) is further rotatably provided with a connecting rotating shaft (10), the upper end of the connecting rotating shaft (10) is in transmission connection with a second screw (14), the lower end of the connecting rotating shaft (10) is symmetrically and fixedly provided with an upper bevel gear (11) and a lower bevel gear (12), the upper bevel gear (11) and the lower bevel gear (12) are of a half-bevel gear structure, one end of the first screw (6) is fixedly provided with a bevel gear (9), the upper side and the lower side of the bevel gear (9) are respectively meshed with the upper bevel gear (11) and the lower bevel gear (12), and the upper bevel gear (11) and the lower bevel gear (12) are sequentially contacted with the bevel gear (9) when rotating.
7. The self-positioning flexible drilling device for circuit boards according to claim 1, characterized in that the length of the ejector plate (2) is greater than the distance between the left side of the storage box (3) and the right side of the base (7).
8. The circuit board self-positioning flexible drilling device according to claim 1, wherein a third screw (22) is rotatably mounted at the bottom of the top plate (21), a sliding rod (25) is transversely and fixedly mounted at the lower side of the third screw (22), a third screw sleeve (23) is connected onto the third screw (22) in a threaded manner, the third screw sleeve (23) is slidably connected with the sliding rod (25), a mounting plate (26) is fixedly mounted at the lower side of the third screw sleeve (23), an electric telescopic rod (27) is fixedly mounted at the lower side of the mounting plate (26), and a drill rod (28) is fixedly mounted at the telescopic end of the electric telescopic rod (27).
9. The self-positioning flexible drilling device for the circuit board according to any one of claims 1 to 8, wherein two dust suction heads (29) are symmetrically and fixedly mounted below the mounting plate (26) on the left side and the right side of the electric telescopic rod (27), a dust suction fan is further fixedly mounted at the bottom of the top plate (21), and an air inlet end of the dust suction fan is fixedly connected with the dust suction heads (29) through an air pipe.
10. The self-positioning flexible drilling device for the circuit board according to claim 9, wherein the extrusion rod (19) is composed of a sleeve (30) and a sliding rod (31), one end of the sliding rod (31) is slidably installed inside the sleeve (30) and is fixedly connected with the sleeve (30) through a connecting spring, the other end of the sliding rod (31) is fixedly provided with an extrusion head (32), and the extrusion head (32) is made of an elastic material.
CN202010254333.2A 2020-04-02 2020-04-02 Self-positioning flexible drilling device for circuit board Withdrawn CN111391021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010254333.2A CN111391021A (en) 2020-04-02 2020-04-02 Self-positioning flexible drilling device for circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010254333.2A CN111391021A (en) 2020-04-02 2020-04-02 Self-positioning flexible drilling device for circuit board

Publications (1)

Publication Number Publication Date
CN111391021A true CN111391021A (en) 2020-07-10

Family

ID=71416675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010254333.2A Withdrawn CN111391021A (en) 2020-04-02 2020-04-02 Self-positioning flexible drilling device for circuit board

Country Status (1)

Country Link
CN (1) CN111391021A (en)

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Application publication date: 20200710

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