CN211867951U - Drilling machine - Google Patents
Drilling machine Download PDFInfo
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- CN211867951U CN211867951U CN202020294779.3U CN202020294779U CN211867951U CN 211867951 U CN211867951 U CN 211867951U CN 202020294779 U CN202020294779 U CN 202020294779U CN 211867951 U CN211867951 U CN 211867951U
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- backlight
- plate
- drilling machine
- jig plate
- optical reference
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Abstract
The utility model relates to a PCB processing equipment technical field discloses a drilling machine, including workstation, mechanism in a poor light, vision positioning mechanism and drilling mechanism. The backlight mechanism comprises a jig plate and a backlight plate, the jig plate is detachably mounted on the workbench, a plurality of grooves are formed in the jig plate, the backlight plate can be accommodated in the grooves in a one-to-one and adaptive mode, a workpiece can be placed on the backlight mechanism, and the backlight plate corresponds to the optical reference holes of the workpiece one to one. The light source emitted by the backlight plate can penetrate through the optical reference hole, so that the inner area and the outer area of the optical reference hole form a brightness difference, and the visual positioning mechanism can shoot and position the optical reference hole. The drilling mechanism can drill a hole on the workpiece according to the positioning result of the visual positioning mechanism. The utility model provides a drilling machine can shoot the picture of high contrast, improves the imaging quality in optical reference hole, and the coordinate in accurate discernment optical reference hole improves positioning accuracy and drilling precision.
Description
Technical Field
The utility model relates to a PCB processing equipment technical field especially relates to a drilling machine.
Background
In the production process of the PCB, the PCB is usually drilled by a drilling machine, before drilling, the optical reference hole on the PCB is usually photographed and positioned, and then drilling is carried out according to a positioning result, so that the precision of the drilling position is ensured. However, the conventional drilling machine cannot ensure the imaging quality of the optical reference hole, resulting in a decrease in positioning accuracy, thereby increasing errors in drilling positions.
Therefore, a new drilling machine is needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drilling machine can shoot the picture of high contrast, improves the imaging quality in optical reference hole, and the coordinate in accurate discernment optical reference hole improves positioning accuracy and drilling accuracy.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a drilling machine, comprising:
a work table;
the backlight mechanism comprises a jig plate and a backlight plate, the jig plate is detachably mounted on the workbench, a plurality of grooves are formed in the jig plate, the backlight plate can be correspondingly and adaptively accommodated in the grooves one by one, a workpiece can be placed on the backlight mechanism, and the backlight plate corresponds to the optical reference holes of the workpiece one by one;
the visual positioning mechanism is used for enabling a light source emitted by the backlight plate to penetrate through the optical reference hole, so that a brightness difference is formed between the inner area and the outer area of the optical reference hole, and the visual positioning mechanism can shoot and position the optical reference hole;
and the drilling mechanism can drill the workpiece according to the positioning result of the visual positioning mechanism.
As a preferable scheme of the drilling machine, the jig plate is further provided with a fixing hole, and the fastener can fix the jig plate on the workbench through the fixing hole.
As a preferred scheme of the drilling machine, a first avoidance hole is further formed in the jig plate, and the first avoidance hole corresponds to the pin hole in the workbench, so that the pin hole is exposed.
As a preferable scheme of the drilling machine, the thickness of the jig plate is less than or equal to 5 mm.
As the preferable scheme of the drilling machine, the jig plate is rectangular, and the grooves are formed in four corners of the jig plate.
As a preferable scheme of the drilling machine, the jig plate is made of a metal material or an acrylic material.
As a preferable scheme of the drilling machine, the backlight plate is an LED side-coupled flat backlight module, and the thickness of the backlight plate is less than or equal to 3 mm.
As a preferable scheme of the drilling machine, the backlight plate comprises an LED patch lamp, and a light source emitted by the LED patch lamp is blue light.
As a preferable scheme of the drilling machine, the drilling mechanism comprises a high-speed static pressure electric spindle and a drill point, the drill point is arranged on the high-speed static pressure electric spindle, and the high-speed static pressure electric spindle can drive the drill point to rotate so as to drill the workpiece.
As a preferable scheme of the drilling machine, the visual positioning mechanism comprises an industrial camera and a telecentric lens, and the telecentric lens is arranged on the industrial camera.
The utility model has the advantages that:
the utility model provides a drilling machine, through placing the work piece on mechanism in a poor light, can make the interior region and the outside region in optics benchmark hole form apparent contrast to make vision positioning mechanism can shoot the picture of high contrast, the coordinate in accurate discernment optics benchmark hole improves positioning accuracy and drilling accuracy; the backlight plate is accommodated in the groove on the jig plate, on one hand, the surface of the backlight plate and the surface of the jig plate around the groove can be ensured to have higher flatness, and the flatness requirement of the jig plate as a workpiece backing plate is met, so that the drilling depth precision requirement of a depth control drilling process is met, on the other hand, the groove can play a role in positioning the backlight plate, the position accuracy of the backlight plate is ensured, and the backlight plate is enabled to correspond to an optical reference one by one; through the cooperation of the back light board of polylith small-size, can guarantee the shooting demand of a plurality of optical reference holes on the whole work piece, and need not to set up the large size light source that covers all optical reference holes on the work piece to not only be favorable to reducing the manufacturing cost of back light board, be convenient for in addition the maintenance and the change of back light board, reduce maintenance and replacement cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a drilling machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a backlight mechanism according to an embodiment of the present invention.
In the figure:
100-a workpiece; 101-an optical reference hole;
1-a workbench;
2-a backlight mechanism; 21-a jig plate; 211-grooves; 212-a fixation hole; 213-first avoidance hole; 214-a second avoidance hole; 22-a backlight panel;
3-a visual positioning mechanism; 31-an industrial camera; 32-telecentric lens;
4-a drilling mechanism; 41-high speed static pressure electric main shaft; 42-drill point.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the present embodiment provides a drilling machine that may be used to drill a PCB board. Specifically, the drilling machine includes a table 1, a backlight mechanism 2, a visual positioning mechanism 3, and a drilling mechanism 4. Wherein, mechanism 2 in a poor light includes tool board 21 and board 22 in a poor light, and tool board 21 detachably installs on workstation 1, is provided with a plurality of recesses 211 on the tool board 21, and board 22 in a poor light can the one-to-one and looks adaptation ground holding in recess 211, and work piece 100 can be placed on mechanism 2 in a poor light, and board 22 in a poor light corresponds with the optical reference hole 101 one-to-one of work piece 100. The light source emitted from the backlight 22 can pass through the optical reference hole 101, so that the inner area and the outer area of the optical reference hole 101 form a brightness difference, and the visual positioning mechanism 3 can shoot and position the optical reference hole 101. The drilling mechanism 4 can drill the workpiece 100 according to the positioning result of the visual positioning mechanism 3.
The working principle of the drilling machine provided by the embodiment is as follows: the light source emitted by the backlight plate 22 passes through the optical reference hole 101, so that the imaging brightness of the inner area of the optical reference hole 101 is high, the imaging brightness of the outer area of the optical reference hole 101 is low because the light source cannot penetrate through the outer area of the optical reference hole 101, so that the inner area and the outer area of the optical reference hole 101 form a remarkable contrast ratio, the visual positioning mechanism 3 shoots a high-contrast picture to accurately position the coordinate position of the optical reference hole 101, if the actually positioned coordinate position of the optical reference hole 101 is the same as the preset coordinate position, the drilling mechanism 4 drills the workpiece 100, and if the actually positioned coordinate position of the optical reference hole 101 is different from the preset coordinate position, the drilling mechanism 4 performs position compensation first and then drills the workpiece 100.
The drilling machine provided by the embodiment can enable the inner area and the outer area of the optical reference hole 101 to form obvious contrast by placing the workpiece 100 on the backlight mechanism 2, so that the visual positioning mechanism 3 can shoot a picture with high contrast, accurately identify the coordinates of the optical reference hole 101 and improve the positioning precision and the drilling precision; the backlight plate 22 is accommodated in the groove 211 on the jig plate 21, on one hand, the surface of the backlight plate 22 and the surface of the jig plate 21 around the groove 211 can be ensured to have higher flatness, and the flatness index required by the jig plate 21 as a backing plate of the workpiece 100 is achieved, so that the drilling depth precision requirement of the depth control drilling process is met, on the other hand, the groove 211 can play a role in positioning the backlight plate 22, the position accuracy of the backlight plate 22 is ensured, and the backlight plate 22 and the optical reference holes 101 are in one-to-one correspondence; through the cooperation of the small-size backlight plate 22 of polylith, can guarantee the shooting demand of a plurality of optical reference holes 101 on whole work piece 100, and need not to set up the large-size light source that covers all optical reference holes 101 on the work piece 100 to not only be favorable to reducing the manufacturing cost of backlight plate 22, be convenient for the maintenance and the change of backlight plate 22 moreover, reduce maintenance and replacement cost.
In the present embodiment, the jig plate 21 is detachably mounted on the workbench 1, which is beneficial to replacing the jig plate 21 according to different workpieces 100 or different positions of the optical reference hole 101, so as to meet different use requirements. In addition, in the embodiment, the backlight plate 22 is also replaceable, and when the brightness of the backlight plate 22 is reduced or damaged, the backlight plate 22 can be taken out from the groove 211 and replaced by a new backlight plate 22, so that the replacement is convenient, and time and labor are saved.
Preferably, the thickness of the jig plate 21 is less than or equal to 5 mm. In the drilling process, the jig plate 21 and the workpiece 100 need to be fixed by penetrating the jig plate 21 with the pin, and considering that the pin is too long and is easy to deform and unstable under stress, the fixing of the jig plate 21 and the workpiece 100 is not facilitated, so the thickness of the jig plate 21 needs to be limited within 5 mm.
Optionally, the jig plate 21 is rectangular, and four corners of the jig plate 21 are provided with grooves 211. The jig plate 21 provided in this embodiment is particularly suitable for the drilling requirements of 5G high-speed communication backplanes, high-frequency microwave boards, and the like. Of course, in other embodiments, the shape of the jig plate 21 and the position of the groove 211 may be flexibly adjusted according to the size and shape of the workpiece 100, the position of the optical reference hole 101, and the like, and are not limited herein.
Optionally, the jig plate 21 is further provided with a fixing hole 212, and the fastener can fix the jig plate 21 on the working table 1 through the fixing hole 212. The cooperation of the fastener and the fixing hole 212 is beneficial to ensuring the mounting stability and the position accuracy of the jig plate 21. Further, the fixture plate 21 is provided with fixing holes 212 at four corners thereof. Specifically, in the present embodiment, the fixing hole 212 is a countersunk hole, and the fastener is a countersunk screw.
Optionally, the jig plate 21 is further provided with a first avoiding hole 213, and the first avoiding hole 213 is disposed corresponding to the pin hole on the workbench 1, so as to expose the pin hole. Through setting up first dodging hole 213, can avoid tool board 21 gland pin hole on the workstation 1, guarantee pin hole can normal use.
Optionally, the jig plate 21 is further provided with a second avoiding hole 214, and the second avoiding hole 214 is disposed corresponding to the air clamp assembly on the workbench 1, so as to expose the air clamp assembly. Through setting up the second and dodging hole 214, can avoid the air clamp subassembly on tool board 21 gland workstation 1, guarantee that the air clamp subassembly can normally the centre gripping pin.
Alternatively, the jig plate 21 is made of a metal material. Further, the jig plate 21 is made of a metal thin plate by machining. Alternatively, the jig plate 21 is made of an acryl material.
Preferably, the backlight plate 22 is an LED side-coupled flat backlight module, and the thickness of the backlight plate 22 is less than or equal to 3mm, so as to ensure that the backlight plate 22 can be embedded into the groove 211 of the thinner jig plate 21, and ensure that the surface of the backlight plate 22 and the surface of the jig plate 21 around the groove 211 have higher flatness, thereby achieving the flatness index required by the jig plate 21 as the backing plate of the workpiece 100, and further meeting the drilling precision requirement of the depth-controlled drilling process.
Preferably, the backlight panel 22 includes an LED patch lamp, and the light source emitted from the LED patch lamp is blue light. Blue light is advantageous for obtaining higher optical system resolution due to shorter wavelength. Of course, in other embodiments, the light source color may also be adjusted according to the surface color of the workpiece 100, which is not limited herein. Further, the backlight panel 22 further includes a driving circuit board, an acrylic light guide plate, a reflective film, a diffusion film, a light leakage preventing black adhesive film, and the like.
Preferably, the drilling mechanism 4 includes a high-speed static pressure electric spindle 41 and a drill bit 42, the drill bit 42 is disposed on the high-speed static pressure electric spindle 41, and the high-speed static pressure electric spindle 41 can drive the drill bit 42 to rotate so as to drill the workpiece 100. The high-speed static pressure spindle 41 has good processing quality and high working efficiency, and is beneficial to ensuring the drilling quality and the drilling efficiency.
Preferably, the visual positioning mechanism 3 comprises an industrial camera 31 and a telecentric lens 32, the telecentric lens 32 being disposed on the industrial camera 31. The telecentric lens 32 eliminates imaging perspective errors, has the advantages of large depth of field, constant optical magnification, extremely low distortion error and the like, and is beneficial to accurately identifying the coordinate position of the optical reference hole 101.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A drilling machine, comprising:
a table (1);
the backlight mechanism (2) comprises a jig plate (21) and a backlight plate (22), the jig plate (21) is detachably mounted on the workbench (1), a plurality of grooves (211) are formed in the jig plate (21), the backlight plate (22) can be accommodated in the grooves (211) in a one-to-one correspondence and in a matched manner, a workpiece (100) can be placed on the backlight mechanism (2), and the backlight plate (22) corresponds to the optical reference holes (101) of the workpiece (100) in a one-to-one correspondence manner;
the visual positioning mechanism (3) is used for enabling a light source emitted by the backlight plate (22) to pass through the optical reference hole (101) and enabling the inner area and the outer area of the optical reference hole (101) to form a brightness difference, so that the visual positioning mechanism (3) can shoot and position the optical reference hole (101);
and the drilling mechanism (4) can drill the workpiece (100) according to the positioning result of the visual positioning mechanism (3).
2. The drilling machine according to claim 1, characterized in that the jig plate (21) is further provided with fixing holes (212), and a fastener can fix the jig plate (21) on the work table (1) through the fixing holes (212).
3. The drilling machine according to claim 1, characterized in that the jig plate (21) is further provided with a first avoiding hole (213), and the first avoiding hole (213) is disposed corresponding to the pin hole on the table (1) so as to expose the pin hole.
4. Drilling machine according to claim 1, characterized in that the thickness of the jig plate (21) is less than or equal to 5 mm.
5. Drilling machine according to claim 1, characterized in that the jig plate (21) is rectangular, the four corners of the jig plate (21) being provided with the recesses (211).
6. Drilling machine according to claim 1, characterized in that the jig plate (21) is made of a metal material or an acrylic material.
7. Drilling machine according to claim 1, characterized in that the backlight plate (22) is an LED side-coupled flat backlight module, the thickness of the backlight plate (22) being less than or equal to 3 mm.
8. Drilling machine according to claim 1, characterized in that the backlight plate (22) comprises LED patch lamps emitting blue light.
9. The drilling machine according to claim 1, characterized in that the drilling mechanism (4) comprises a high-speed electrostatic spindle (41) and a drill point (42), the drill point (42) being arranged on the high-speed electrostatic spindle (41), the high-speed electrostatic spindle (41) being capable of rotating the drill point (42) for drilling the workpiece (100).
10. Drilling machine according to claim 1, characterized in that the visual positioning mechanism (3) comprises an industrial camera (31) and a telecentric lens (32), the telecentric lens (32) being arranged on the industrial camera (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294779.3U CN211867951U (en) | 2020-03-11 | 2020-03-11 | Drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294779.3U CN211867951U (en) | 2020-03-11 | 2020-03-11 | Drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN211867951U true CN211867951U (en) | 2020-11-06 |
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| CN202020294779.3U Active CN211867951U (en) | 2020-03-11 | 2020-03-11 | Drilling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386190A (en) * | 2020-03-11 | 2021-09-14 | 苏州维嘉科技股份有限公司 | Drilling machine |
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- 2020-03-11 CN CN202020294779.3U patent/CN211867951U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386190A (en) * | 2020-03-11 | 2021-09-14 | 苏州维嘉科技股份有限公司 | Drilling machine |
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Address after: 215000 No.188 Chuangyuan Road, Dushuhu science and Education Innovation Zone, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Suzhou Weijia Technology Co.,Ltd. Address before: 215000 No.188 Chuangyuan Road, Dushuhu science and Education Innovation Zone, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee before: VEGA CNC TECHNOLOGY (SUZHOU) Co.,Ltd. |