WO2020029448A1

WO2020029448A1 - Drilling device for producing flexible circuit board

Info

Publication number: WO2020029448A1
Application number: PCT/CN2018/113855
Authority: WO
Inventors: 喻凤翔; 郝建华; 高金生
Original assignee: 盐城华旭光电技术有限公司
Priority date: 2018-08-08
Filing date: 2018-11-03
Publication date: 2020-02-13
Also published as: CN209175887U

Abstract

A drilling device for producing a flexible circuit board, comprising a workbench (1), a support (2), an electric hydraulic cylinder (3), a hydraulic rod (4), a motor box (5), a drilling motor (6), a drill bit (7), an outer pipe (8), an inner pipe (9), a pressing ring (10), a limiting column (11), a connecting spring (13), a transverse sliding table (14), a longitudinal sliding table (15), a transverse fixing device, a longitudinal fixing device, a transverse sliding rail (16), a transverse sliding groove, a transverse fixing groove (17), a longitudinal sliding rail (22), a longitudinal sliding groove, a longitudinal fixing groove (23), a containing plate (28), a fixing device, a first side emitting laser (29), and a second side emitting laser (30). The device can effectively avoid a situation in which during drilling, a flexible circuit board locally wrinkles due to high-speed rotation of a drill bit, so that the yield is increased and the practicality is improved; moreover, the whole flexible circuit board can be punched simply by fixing the flexible circuit board once, so that the operation is simple and the work efficiency is improved; furthermore, the flexible circuit board can be located fast, so that the use reliability is improved.

Description

Drilling device for flexible circuit board production

Technical field

The utility model relates to the technical field of auxiliary devices for circuit boards, in particular to a drilling device used for the production of flexible circuit boards.

Background technique

As we all know, flexible circuit boards, also known as flexible circuit boards, are printed circuits made of flexible insulating substrates. Flexible circuit boards provide excellent electrical performance, can meet the design needs of smaller and higher density installations, and help reduce Assembly process and enhanced reliability. Flexible circuit boards are the only solution to meet the requirements of miniaturization and movement of electronic products. They can be freely bent, rolled, and folded. They can withstand millions of dynamic bending without damaging the wires. The layout requires arbitrary arrangements, and can be moved and retracted freely in three dimensions to achieve the integration of component assembly and wire connection. Flexible circuit boards can greatly reduce the volume and weight of electronic products, and are suitable for electronic products that have high density, miniaturization, high For the needs of reliable development, the drilling device used for flexible circuit board production is an auxiliary device used for flexible circuit board production to punch holes at the edges of the flexible circuit board to facilitate subsequent installation of the flexible circuit board. Widely used in the field of flexible circuit board processing; existing ones for flexible circuit boards The drilling device produced includes a workbench. A bracket is provided on the top left side of the workbench, and an electric hydraulic cylinder is provided on the top right side of the bracket. The bottom output end of the electric hydraulic cylinder is provided with a hydraulic rod. The bottom end of the hydraulic rod is installed There is a motor box, and a drilling motor is set in the motor box. A drill bit is provided at the bottom output end of the drilling motor. The bottom end of the drill bit extends from the inside of the motor box through the bottom wall of the motor box to the bottom of the motor box. The top of the board is provided with a placement plate, and fixed splints are provided on the front left side, right front side, left rear side, and right rear side of the top of the placement plate. When the existing drilling device for flexible circuit board production is used, the flexible circuit is used. The board is placed on the top of the board and positioned, and then the flexible circuit board is fixed by four sets of fixed clamps. The hydraulic rod is driven to move downward by the electric hydraulic cylinder. The hydraulic rod drives the motor box to move downward. At the same time, the drilling motor drives the drill to rotate at high speed. Just punch the flexible circuit board with a high-speed rotating drill.

technical problem

It is found in the use of the existing drilling device for flexible circuit board production that the flexible circuit board is different from the rigid circuit board. When drilling, the flexible circuit board is prone to local wrinkles due to the high-speed rotation of the drill, which causes damage to the flexible circuit board. Damage, resulting in low practicality; and it needs to adjust the direction and position of the flexible circuit board after punching a hole, positioning and fixing again, and then punching a hole, the operation is cumbersome, resulting in low work efficiency, and It is convenient to locate the flexible circuit board, resulting in low reliability.

Technical solutions

In order to solve the above technical problems, the present invention provides a method which can effectively avoid the occurrence of local wrinkles of the flexible circuit board due to the high-speed rotation of the drill bit during drilling, improve the yield rate and improve the practicality; and only need to perform the flexible circuit board once Fixing can complete the punching of the whole flexible circuit board, which is easy to operate and improve the work efficiency. At the same time, it can quickly locate the flexible circuit board and improve the reliability of the drilling device for flexible circuit board production.

The utility model provides a drilling device for flexible circuit board production. The utility model comprises a work table. A bracket is provided on the top left side of the work table, and an electric hydraulic cylinder is provided on the top right side of the bracket. The bottom of the electric hydraulic cylinder is output. A hydraulic rod is provided at the end, a motor box is installed at the bottom end of the hydraulic rod, and a drilling motor is provided in the motor box. A drill is provided at the bottom output end of the drilling motor, and the bottom end of the drill passes through the motor box from the inside of the motor box. The bottom wall of the motor tube extends below the motor box; it also includes an outer tube body, an inner tube body, a compression ring, and four sets of limit posts. The top end of the outer tube body is connected to the bottom end of the motor box, and An internal thread structure is provided on the inner side wall, and an external thread structure is provided on the outer side wall of the internal pipe body. The external thread structure matches the internal thread structure. The top end of the internal pipe body is inserted from the bottom end of the external pipe body and Screwed to the inside of the bottom end of the outer tube body, the bottom end of the drill passes through the outer tube body and the inner tube body from the top of the outer tube body to the lower part of the inner tube body, and the left and right sides of the bottom end of the inner tube body wall Cylindrical grooves are provided on the sides, front and rear, and A connecting spring is provided on the inner top wall of the cylindrical groove, and the bottom ends of the four groups of limiting posts are connected to the left, right, front, and rear sides of the top of the compression ring, respectively, and the tops of the four groups of limiting posts are at the top. The bottom ends of the inner tube are respectively inserted into four sets of cylindrical grooves, and the top ends of the four sets of limit posts are respectively connected to the bottom ends of the four sets of connection springs, and the compression ring is located below the bottom end of the drill bit; A longitudinal slide table, a lateral fixing device and a longitudinal fixing device. The top of the table is provided with two sets of lateral slide rails, and the bottom end of the horizontal slide table is provided with two sets of lateral slide grooves. Located in two sets of lateral slide grooves, the lateral slide platform can slide laterally along the lateral slide rails, and the top of the table is provided with a lateral fixing groove. The lateral fixing device includes a first tension rod, a first spring, a first rubber rod and a first A limiting plate, the lateral slide table is provided with a first through hole, and the bottom end of the first pull rod passes through the first through hole from the top of the lateral slide table to the lower side of the lateral slide table and passes through the first spring and The top and middle of the first limit plate are connected, and the first The top and bottom ends of the spring are respectively connected to the bottom end of the lateral slide table and the top end of the first limit plate, and the top end of the first rubber rod is connected to the middle of the bottom end of the first limit plate. The bottom end extends into the horizontal fixing groove and is in close contact with the inner bottom wall of the horizontal fixing groove. The top of the horizontal slide table is provided with two sets of longitudinal slide rails, and the bottom end of the vertical slide table is provided with two sets of longitudinal slides. The two sets of longitudinal slide rails are respectively located in two sets of longitudinal slide grooves. The longitudinal slide platform can slide longitudinally along the longitudinal slide rails. The top of the transverse slide platform is provided with a longitudinal fixing groove. The longitudinal device includes a second tie rod, a first Two springs, a second rubber rod, and a second limit plate, the longitudinal slide table is provided with a second through hole, and the bottom end of the second pull rod passes from the top of the longitudinal slide table through the second through hole to the longitudinal slide The lower part of the platform is connected to the middle of the top end of the second limit plate through a second spring, the top of the second rubber rod is connected to the middle of the bottom end of the second limit plate, and the bottom end of the second rubber rod extends to Inside the longitudinal fixing groove and in close contact with the inner bottom wall of the longitudinal fixing groove, the top of the longitudinal sliding table A placing plate is provided, and fixing devices are provided on the front left side, front right side, left rear side, and rear right side of the top of the placing plate; further comprising a first surface emitting laser and a second surface emitting laser, the first surface emitting The laser is mounted on the right end of the bracket and directly on the left side of the drill. The first surface emitting laser illuminates a transverse laser line at the top of the placement plate. A mounting bracket is provided at the top and rear of the table. The second surface emitting laser is installed At the top of the mounting frame and directly behind the drill, the second surface-emitting laser radiates a longitudinal laser line at the top of the placement plate, and the intersection of the transverse laser line and the longitudinal laser line is vertically below the drill.

The utility model relates to a drilling device for flexible circuit board production. The four sets of fixing devices each include a threaded rod, a threaded tube, a rectangular tube, a rectangular plate, a fixing rod, and a fixing bolt. Side, right front, left rear, and right rear sides are provided with mounting grooves, and ball bearings are fixedly installed in the four sets of mounting grooves. The bottom ends of the four sets of threaded pipes are respectively inserted into the four from the top of the placing plate. In the group of ball bearings, the bottom ends of the four groups of threaded rods are respectively inserted and screwed into the top ends of the four groups of threaded tubes. The tops of the four groups of threaded rods are respectively connected to the bottoms of one end of the four groups of rectangular tubes. One end of the plate is respectively inserted into four groups of rectangular tubes, and the bottom ends of the other ends of the four groups of rectangular plates are respectively connected to the tops of the four groups of fixing rods. The bottom ends of the four groups of fixing rods are fixedly provided with the fixing plates. The top ends of the rectangular tubes are provided with fastening screw holes, and the screw ends of the four groups of fixing bolts are screwed from the top ends of the four groups of rectangular tubes through the four groups of fastening screw holes and are in close contact with the tops of the four groups of rectangular plates. .

The drilling device for flexible circuit board production of the present utility model, the inner bottom walls of the transverse fixing groove and the longitudinal fixing groove are both arc-shaped structures, and are on the inner bottom walls of the transverse fixing groove and the longitudinal fixing groove. Both are provided with non-slip stripes, and the bottom ends of the first rubber rod and the second rubber rod are both spherical structures.

The utility model relates to a drilling device for flexible circuit board production. The transverse slide rail, the transverse slide groove, the longitudinal slide rail and the longitudinal slide groove are all "T" -shaped structures.

The utility model relates to a drilling device for flexible circuit board production. A mounting ring is provided on the outer top of the outer pipe body, and the mounting ring is connected to the bottom end of the motor box by bolts.

The utility model relates to a drilling device for flexible circuit board production. The right end of the motor box is provided with a pick-and-place port, and a door panel is provided at the pick-and-place port. The rear end of the door board and the right end of the motor box are provided. The rear side is connected by a hinge, the front end of the door panel is connected with the front side of the right end of the motor box by a buckle, and a plurality of groups of heat dissipation holes are provided on the door panel.

The utility model relates to a drilling device for flexible circuit board production. The top ends of the first and second drawbars are both provided with handles.

Beneficial effect

Compared with the prior art, the utility model has the beneficial effects that the hydraulic rod is driven to move downward by an electric hydraulic cylinder, the hydraulic rod drives the motor box to move downward, and the bottom end of the compression ring is first contacted with the top of the flexible circuit board. The chassis continues to move downward, and the four sets of connection springs are not compressed continuously, so that the compression ring is in close contact with the flexible circuit board, fixing the drilling position of the flexible circuit board, and then the drill bit is used to drill the flexible circuit board, which can effectively avoid When drilling, the flexible circuit board is partially wrinkled due to the high-speed rotation of the drill bit, which improves the yield and improves the practicality; the bottom end of the first rubber rod is separated from the inner bottom wall of the transverse fixing groove by lifting the first pull rod. Then, the horizontal slide table is slid laterally along the horizontal slide rail, and the placement plate is moved laterally. The second end of the second rubber rod is separated from the inner bottom wall of the vertical fixing groove by lifting the second pull rod, and then the vertical slide table is longitudinally moved. The slide rail slides longitudinally and slides the placement board longitudinally. You can move any part of the flexible circuit board at the top of the placement board below the drill bit. The board can be fixed once to complete the punching of the entire flexible circuit board, which is easy to operate and improves the work efficiency; the transverse laser line from the first surface emitting laser and the longitudinal laser line from the second surface emitting laser, the transverse laser line and The intersection point of the longitudinal laser line is directly below the drill. Simply move the position where the flexible circuit board needs to be drilled to the intersection of the transverse laser line and the longitudinal laser line to complete the positioning of the flexible circuit board and improve the reliability of use.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural diagram of the present invention;

2 is a schematic plan view of the workbench of the present invention;

3 is a schematic diagram of a partially enlarged structure at A of the present utility model;

FIG. 4 is a schematic diagram of a partially enlarged structure at a position B of the present invention;

Reference signs in the drawings: 1. Workbench; 2. Bracket; 3. Electric hydraulic cylinder; 4. Hydraulic rod; 5. Motor box; 6. Drilling motor; 7. Drill bit; 8. Outer tube body; 9. Inner tube Body; 10, compression ring; 11, limit column; 12, cylindrical groove; 13, connecting spring; 14, transverse slide; 15, longitudinal slide; 16, transverse slide; 17, transverse fixed groove; 18, The first tie rod; 19, the first spring; 20, the first rubber rod; 21, the first limit plate; 22, the longitudinal slide rail; 23, the longitudinal fixing groove; 24, the second tie rod; 25, the second spring; 26 Second rubber rod 27 Second limit plate 28 Place plate 29 First surface emitting laser 30 Second surface emitting laser 31 Transverse laser line 32 Vertical laser line 33 Thread Rod; 34; Threaded pipe; 35; Rectangular pipe; 36; Rectangular plate; 37; Fixing rod; 38; Fixing bolt; 39; Ball bearing; 40; Non-slip stripes; 41; Mounting ring; 42, Door plate; 43, Handle .

Best Mode of the Invention

The detailed implementation of the present invention will be described in detail below with reference to the drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.

As shown in FIG. 1 to FIG. 4, a drilling device for flexible circuit board production according to the present invention includes a workbench 1. A bracket 2 is provided on the top left side of the workbench, and a right side of the top end of the bracket is provided. There is an electric hydraulic cylinder 3, a hydraulic rod 4 is provided at the bottom output end of the electric hydraulic cylinder, a motor box 5 is installed at the bottom end of the hydraulic rod, and a drilling motor 6 is provided in the motor box, and a bottom output end of the drilling motor is provided There is a drill bit 7, the bottom end of the drill bit protrudes from the inside of the motor box through the bottom wall of the motor box to the bottom of the motor box; it also includes an outer pipe body 8, an inner pipe body 9, a compression ring 10 and four sets of limit posts 11, The top end of the outer pipe body is connected to the bottom end of the motor box, and an internal thread structure is provided on the inner side wall of the outer pipe body. An outer thread structure is provided on the outer side wall of the inner pipe body. The outer thread structure matches the inner thread structure. The top end of the inner pipe body is inserted from the bottom end of the outer pipe body and screwed into the bottom end of the outer pipe body. The bottom end of the drill passes from the top end of the outer pipe body through the outer pipe body and the inner pipe body to the lower side of the inner pipe body. , The left side, right side, front side and rear side of the bottom end of the inner pipe body tube wall are provided with cylindrical grooves 1 2, and on the inner top wall of the four sets of cylindrical grooves are provided with connecting springs 13, the bottom ends of the four sets of limit posts are respectively connected to the left, right, front and back of the top of the compression ring, four sets The tops of the limit posts are inserted into the four sets of cylindrical grooves from the bottom end of the inner tube body, and the tops of the four sets of limit posts are connected to the bottom ends of the four sets of connection springs respectively, and the compression ring is located below the bottom end of the drill bit; also It includes a horizontal slide table 14, a vertical slide table 15, a horizontal fixing device and a vertical fixing device. The top of the work table is provided with two sets of horizontal slide rails 16, and the bottom of the horizontal slide table is provided with two sets of horizontal slide grooves. The rails are respectively located in two sets of lateral slide grooves. The lateral slide platform can slide laterally along the lateral slide rails. The top of the table is provided with a lateral fixing groove 17, and the lateral fixing device includes a first tension rod 18, a first spring 19, and a first rubber rod. 20 and the first limit plate 21, a first through hole is provided on the lateral sliding platform, and the bottom end of the first tie rod passes through the first through hole from the top of the lateral sliding platform to below the lateral sliding platform and passes through the first spring Connected to the middle of the top of the first limit plate, the top of the first spring and The bottom end is respectively connected to the bottom end of the lateral slide table and the top end of the first limit plate, the top end of the first rubber rod is connected to the middle of the bottom end of the first limit plate, and the bottom end of the first rubber rod extends into the transverse direction. The fixed groove is in close contact with the inner bottom wall of the transverse fixed groove. The top of the transverse slide table is provided with two sets of longitudinal slide rails 22, and the lower end of the longitudinal slide table is provided with two sets of longitudinal slide grooves. In two sets of longitudinal slide grooves, the longitudinal slide platform can slide longitudinally along the longitudinal slide rail. The top of the transverse slide platform is provided with a longitudinal fixing groove 23, and the longitudinal device includes a second pull rod 24, a second spring 25, a second rubber rod 26, and a first The two limiting plates 27 are provided with a second through hole on the longitudinal sliding platform, and the bottom end of the second pull rod passes through the second through hole from the top of the longitudinal sliding platform to below the longitudinal sliding platform and passes through the second spring and the second The top end of the limit plate is connected to the middle, the top end of the second rubber rod is connected to the middle of the bottom end of the second limit plate, and the bottom end of the second rubber rod extends into the longitudinal fixing groove and is attached to the inner bottom wall of the longitudinal fixing groove. Tight, the top of the vertical slide is provided with a placing plate 28, and Side, right front side, left rear side, and right rear side are provided with fixing devices; also includes a first surface emitting laser 29 and a second surface emitting laser 30, the first surface emitting laser is installed at the right end of the bracket and is directly to the left of the drill On the side, the first surface-emitting laser illuminates a transverse laser line 31 on the top of the placement plate, a mounting bracket is provided on the top rear side of the table, and the second surface-emitting laser is mounted on the top of the mounting bracket and directly behind the drill. A double-side emitting laser radiates a longitudinal laser line 32 at the top of the placing plate, and the intersection of the transverse laser line and the longitudinal laser line is located vertically below the drill bit; the hydraulic rod is driven to move downward by an electric hydraulic cylinder, and the hydraulic rod drives the motor box downward Move, the bottom end of the compression ring first contacts the top of the flexible circuit board, the motor box continues to move downward, and the four sets of connection springs are constantly uncompressed, so that the compression ring is in close contact with the flexible circuit board, and the flexible circuit board is drilled. Fix the hole part, and then drill the flexible circuit board with the drill, which can effectively prevent the flexible circuit board from appearing due to the high-speed rotation of the drill during drilling. The condition of the folds of the part can improve the yield and the practicality. By rotating the inner tube body, the distance between the compression ring and the drill bit can be adjusted to adjust the pressing force. The bottom end of the rubber rod is separated from the inner bottom wall of the lateral fixing groove, and then the lateral slide table is slid laterally along the lateral slide rail to move the placement plate laterally, and the bottom end of the second rubber rod and the longitudinal direction are raised by lifting the second pull rod. The inner bottom wall of the fixing groove is separated, and then the longitudinal slide table is longitudinally slid along the longitudinal slide rail to longitudinally slide the placement plate, and any part of the flexible circuit board at the top of the placement plate can be moved below the drill bit. The board can be fixed once to complete the punching of the entire flexible circuit board, which is easy to operate and improves the work efficiency; the transverse laser line from the first surface emitting laser and the longitudinal laser line from the second surface emitting laser, the transverse laser line and The intersection point of the longitudinal laser line is directly below the drill bit, just move the position where the flexible circuit board needs to punch to the intersection of the transverse laser line and the longitudinal laser line. To complete the positioning of the flexible circuit board and improve the reliability.

The drilling device used in the production of flexible circuit boards of the present utility model includes four sets of fixing devices, each including a threaded rod 33, a threaded tube 34, a rectangular tube 35, a rectangular plate 36, a fixed rod 37, and a fixed bolt 38, and the top of the plate is placed The left front side, right front side, left rear side, and right rear side are provided with mounting grooves, and ball bearings 39 are fixedly installed in the four sets of mounting grooves. The bottom ends of the four sets of threaded pipes are respectively inserted from the tops of the placing plates to Inside the four sets of ball bearings, the bottom ends of the four sets of threaded rods are inserted and screwed into the top ends of the four sets of threaded tubes. The top ends of the four sets of threaded rods are connected to the bottom of one end of the four sets of rectangular tubes, and one end of the four sets of rectangular plates. Inserted into four groups of rectangular tubes, the other ends of the four groups of rectangular plates are respectively connected to the tops of the four groups of fixed rods. The bottom of the four groups of fixed rods are fixedly provided with fixing plates, and the tops of the four groups of rectangular tubes are provided with Fastening screw holes. The screw ends of the four sets of fixing bolts are screwed from the tops of the four sets of rectangular tubes through the four sets of fastening screw holes and are in close contact with the tops of the four sets of rectangular plates. The rectangular tubes are fixed by one hand and rotated by one hand. Thread The rectangular tube, the rectangular plate, the fixing rod and the fixing plate are moved downward together, and the flexible circuit board at the top of the plate is fixed by the fixing plate, and the flexibility of different sizes can be achieved through the cooperation of the rectangular tube, the rectangular plate and the fastening bolts. The circuit board is fixed to improve the reliability of use.

The utility model relates to a drilling device for flexible circuit board production. The inner bottom walls of the transverse fixing grooves and the longitudinal fixing grooves are both arc-shaped structures, and are arranged on the inner bottom walls of the transverse fixing grooves and the longitudinal fixing grooves. There are anti-slip stripes 40, and the bottom ends of the first rubber rod and the second rubber rod are spherical structures; the effective contact area between the bottom end of the first rubber rod and the inner bottom wall of the lateral fixing groove and the bottom end of the second rubber rod and the longitudinal fixing are increased The effective contact area of the bottom wall in the groove improves the fixing effect of the horizontal sliding table and the vertical sliding table, and further improves the fixing effect through the anti-slip stripes.

The drilling device used in the production of a flexible circuit board of the present utility model has a lateral slide rail, a lateral slide rail, a longitudinal slide rail, and a longitudinal slide groove in a "T" structure; the lateral slide rail can be prevented from being inserted into the lateral slide groove. Come off, prevent the vertical slide rail from coming out of the vertical chute, and improve practicability.

The utility model relates to a drilling device for flexible circuit board production. A mounting ring 41 is provided on the outer top of the outer pipe body, and the mounting ring is connected to the bottom end of the motor box by bolts. The outer pipe body can be connected through the mounting ring. It can be disassembled from the motor box, which is convenient for punching other types of plates, which improves practicality.

The utility model relates to a drilling device for flexible circuit board production. The right end of the motor box is provided with a pick-and-place port, and a door panel 42 is provided at the pick-and-place port. The rear end of the door panel passes through the right end of the motor box. Hinged connection, the front end of the door panel is connected with the right end and front side of the motor box by buckles, and multiple sets of heat dissipation holes are provided on the door panel; the drilling motor inside the motor box can be repaired by opening the door panel, and the electricity can be discharged through the heat dissipation holes. The heat emitted by the drilling motor in the chassis is dissipated in time.

The utility model relates to a drilling device for flexible circuit board production. The top ends of the first and second drawbars are both provided with a handle 43; the first and second drawbars are conveniently lifted and released by the handles. With the handle, the first and second drawbars fall under the action of the first and second springs, and the bottom ends of the first and second rubber rods are respectively connected to the inner bottom wall of the transverse fixing groove and the longitudinal fixing groove. Snugly.

The drilling device used in the production of flexible circuit boards of the present utility model, when in operation, before completing the above-mentioned actions, it is first moved to a position required by the user, and the rectangular pipe is fixed by one hand, and the threaded pipe is rotated by one hand, so that The rectangular tube, the rectangular plate, the fixing rod and the fixing plate move downward together. The flexible circuit board at the top of the board is fixed by the fixing plate, and the flexible circuit boards of different sizes can be matched by the cooperation of the rectangular tube, the rectangular plate and the fastening bolts. For fixing, the horizontal laser line from the first surface emitting laser and the vertical laser line from the second surface emitting laser, the intersection of the horizontal laser line and the vertical laser line is directly below the drill bit. The position of the flexible circuit board can be completed by moving the hole position to the intersection of the horizontal laser line and the vertical laser line. The hydraulic rod drives the hydraulic rod to move downward. The hydraulic rod drives the motor box to move downward, and the bottom of the ring is compressed. The end first contacts the top of the flexible circuit board, the motor box continues to move downward, and the four sets of connection springs are kept uncompressed, so that The tight ring is in close contact with the flexible circuit board to fix the drilling position of the flexible circuit board, and then the drill bit is used to drill the flexible circuit board, which can effectively avoid the local wrinkle of the flexible circuit board due to the high-speed rotation of the drill bit during drilling. , Improve the yield, improve the practicality, and by rotating the inner tube, the distance between the compression ring and the drill bit can be adjusted, the pressing force can be adjusted, and the bottom of the first rubber rod can be made by lifting the first pull rod The end is separated from the inner bottom wall of the lateral fixing groove, and then the lateral slide table is slid laterally along the lateral slide rail to move the placing plate laterally. By lifting the second pull rod, the bottom end of the second rubber rod is separated from the inner of the longitudinal fixing groove. The bottom wall is separated, and then the longitudinal slide table is longitudinally slid along the longitudinal slide rail, and the placement board is longitudinally slid. Any part of the flexible circuit board at the top of the placement board can be moved below the drill bit, and the flexible circuit board only needs to be fixed once. It can complete the punching of the whole flexible circuit board, which is easy to operate and improve the work efficiency. It is convenient to lift the first lever and the second lever through the handle and release Hands, the first and second drawbars fall under the action of the first and second springs, and make the bottom ends of the first and second rubber rods adhere to the inner bottom wall of the transverse fixing groove and the longitudinal fixing groove, respectively Tight, through the installation ring, the outer tube body and the motor box can be disassembled, which is convenient for punching other types of plates.

The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principles of the present invention, several improvements and modifications can be made. These improvements And the modification should also be regarded as the protection scope of the utility model.

Claims

A drilling device for flexible circuit board production includes a workbench (1), a bracket (2) is provided on the top left side of the workbench (1), and an electro-hydraulic is provided on the right side of the top end of the bracket (2). A hydraulic rod (4) is provided at the bottom output end of the cylinder (3) and the electric hydraulic cylinder (3), a motor box (5) is installed at the bottom end of the hydraulic rod (4), and a drill is provided in the motor box (5). The hole motor (6), the bottom output end of the drilling motor (6) is provided with a drill bit (7), the bottom end of the drill bit (7) extends from the inside of the motor box (5) through the bottom wall of the motor box (5) to The lower part of the electrical box (5); characterized in that it further comprises an outer pipe body (8), an inner pipe body (9), a compression ring (10) and four sets of limiting posts (11), the outer pipe body (8 The top end is connected to the bottom end of the motor box (5), and an internal thread structure is provided on the inner side wall of the outer pipe body (8), and an outer thread structure is provided on the outer side wall of the inner pipe body (9). The external thread structure is matched with the internal thread structure. The top end of the inner pipe body (9) is inserted from the bottom end of the outer pipe body (8) and screwed to the outer pipe body (8). Inside, the bottom end of the drill bit (7) passes from the top of the outer pipe body (8) through the outer pipe body (8) and the inner pipe body (9) to below the inner pipe body (9), and the inner pipe body ( 9) Cylindrical grooves (12) are provided on the left, right, front, and rear sides of the bottom end of the pipe wall, and connecting springs (13) are provided on the inner top walls of the four groups of cylindrical grooves (12). The bottom ends of the four sets of limit posts (11) are connected to the left, right, front, and rear sides of the top of the compression ring (10), respectively. The top ends of the four sets of limit posts (11) are from the inner tube ( 9) The bottom ends of the four groups of cylindrical grooves (12) are inserted into the bottom end, and the top ends of the four sets of limit posts (11) are connected to the bottom ends of the four sets of connection springs (13), respectively. The compression ring (10) is located at the drill bit. (7) Below the bottom end; it also includes a lateral slide table (14), a longitudinal slide table (15), a transverse fixing device and a longitudinal fixing device. The top of the worktable (1) is provided with two sets of transverse slide rails (16) The bottom of the lateral slide table (14) is provided with two sets of lateral slide grooves, the two sets of lateral slide rails (16) are respectively located in the two sets of lateral slide grooves, and the lateral slide tables (14) It can slide laterally along the horizontal slide rail (16). The top of the table (1) is provided with a lateral fixing groove (17). The lateral fixing device includes a first tie rod (18), a first spring (19), and a first rubber. A rod (20) and a first limit plate (21), the lateral slide table (14) is provided with a first through hole, and the bottom end of the first pull rod (18) is from the top of the lateral slide table (14) Pass the first through hole to the lower side of the lateral slide table (14) and pass through the first spring (19) to connect with the middle of the top of the first limit plate (21), the top and bottom of the first spring (19) The ends are respectively connected to the bottom end of the lateral slide table (14) and the top end of the first limit plate (21), and the top end of the first rubber rod (20) is in the middle of the bottom end of the first limit plate (21). For connection, the bottom end of the first rubber rod (20) extends into the lateral fixing groove (17) and is in close contact with the inner bottom wall of the lateral fixing groove (17). The top of the lateral slide table (14) is provided with two A set of longitudinal slide rails (22), two sets of longitudinal slide grooves are provided at the bottom end of the longitudinal slide table (15), and the two sets of longitudinal slide rails (22) are respectively located in two groups In the longitudinal slide slot, the longitudinal slide table (15) can slide longitudinally along the longitudinal slide rail (22). The top of the transverse slide table (14) is provided with a longitudinal fixing groove (23). The longitudinal device includes a second tie rod (24). , A second spring (25), a second rubber rod (26), and a second limit plate (27), a second through hole is provided on the longitudinal slide table (15), and the second pull rod (24) The bottom end passes through the second through hole from the top of the longitudinal sliding table (15) to the bottom of the longitudinal sliding table (15) and is connected to the middle of the top of the second limit plate (27) through the second spring (25). The top end of the second rubber rod (26) is connected to the middle of the bottom end of the second limit plate (27), and the bottom end of the second rubber rod (26) extends into the longitudinal fixing groove (23) and is connected to the longitudinal fixing groove. The inner bottom wall of (23) is tightly attached, and a placing plate (28) is provided at the top of the vertical sliding table (15), and is provided on the left front side, right front side, left rear side, and right rear side of the top of the placing plate (28). There is a fixing device; further comprising a first surface emitting laser (29) and a second surface emitting laser (30), said first surface emitting laser (29) Mounted on the right end of the bracket (2) and directly on the left side of the drill bit (7), the first surface emitting laser (29) radiates a lateral laser line (31) on the top of the placement plate (28), and the table (1) A mounting bracket is provided on the rear side of the top end, the second surface emitting laser (30) is mounted on the top of the mounting frame and directly behind the drill bit (7), and the second surface emitting laser (30) is on the placement plate (28) A longitudinal laser line (32) is radiated from the top end, and the intersection of the transverse laser line (31) and the longitudinal laser line (32) is located vertically below the drill bit (7).
The drilling device for flexible circuit board production according to claim 1, wherein the four sets of fixing devices each include a threaded rod (33), a threaded tube (34), a rectangular tube (35), A rectangular plate (36), a fixing rod (37), and a fixing bolt (38) are provided with mounting grooves on the front left, front right, left rear, and right rear sides of the top of the placing plate (28), and are arranged in four groups Ball bearings (39) are fixedly installed in the installation grooves, and the bottom ends of the four groups of threaded pipes (34) are inserted into the four groups of ball bearings (39) from the top of the placing plate (28), respectively. The bottom ends of the rods (33) are inserted and screwed into the tops of the four groups of threaded tubes (34), and the tops of the four groups of threaded rods (33) are connected to the bottoms of one end of the four groups of rectangular tubes (35), respectively. One end of each group of rectangular plates (36) is inserted into four groups of rectangular tubes (35), and the bottom ends of the other ends of the four groups of rectangular plates (36) are connected to the tops of the four groups of fixing rods (37), respectively. The bottom end of the rod (37) is fixedly provided with a fixing plate, and the tops of the four sets of rectangular tubes (35) are fixed. Each end is provided with a fastening screw hole, and the screw ends of the four groups of fixing bolts (38) are screwed from the tops of the four groups of rectangular pipes (35) through the four groups of fastening screw holes and are respectively connected to the four groups of rectangular plates ( 36) The top is snug.
The drilling device for flexible circuit board production according to claim 2, wherein the inner bottom wall of the lateral fixing groove (17) and the longitudinal fixing groove (23) are both arc-shaped structures, and Non-slip stripes (40) are provided on the inner bottom wall of the horizontal fixing groove (17) and the vertical fixing groove (23), and the bottom ends of the first rubber rod (20) and the second rubber rod (26) are both Spherical structure.
The drilling device for flexible circuit board production according to claim 3, wherein the lateral slide rail (16), the lateral slide rail, the longitudinal slide rail (22) and the longitudinal slide groove are all " T "structure.
The drilling device for flexible circuit board production according to claim 4, characterized in that a mounting ring (41) is provided on the outer top of the outer pipe body (8), and the mounting ring (41) Connected to the bottom end of the motor box (5) by bolts.
The drilling device for flexible circuit board production according to claim 5, wherein the right end of the motor box (5) is provided with a pick-and-place opening, and a door panel (42) is provided at the pick-and-place opening. ), The rear end of the door panel (42) is connected with the right end rear side of the motor box (5) by a hinge, the front end of the door panel (42) and the right end front side of the motor box (5) are connected by a buckle, and the door panel ( 42) There are multiple groups of heat dissipation holes.
The drilling device for flexible circuit board production according to claim 6, characterized in that the top ends of the first tie rod (18) and the second tie rod (24) are each provided with a handle (43).