CN214352781U - Pressure foot device and drilling machine adopting same - Google Patents
Pressure foot device and drilling machine adopting same Download PDFInfo
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- CN214352781U CN214352781U CN202022397328.5U CN202022397328U CN214352781U CN 214352781 U CN214352781 U CN 214352781U CN 202022397328 U CN202022397328 U CN 202022397328U CN 214352781 U CN214352781 U CN 214352781U
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Abstract
The utility model relates to a drilling equipment especially relates to a pressure foot device and adopt drilling machine of this pressure foot device. The pressure foot device comprises a shell, a pressure assembly and a driving assembly; the shell is provided with an inner cavity and a cutter extending hole, and the lower end face of the shell is obliquely arranged; the pressure assembly comprises a rotary disc, a first pressure plate block and a second pressure plate block; the rotary disc is arranged below the shell and is rotationally connected with the lower end face of the shell; the lower end surface of the rotary disc comprises a first slope surface and a second slope surface which are mutually connected at a preset angle; the first pressing plate block and the second pressing plate block are arranged on the first slope surface; the driving assembly is arranged on one side of the second slope surface and drives the rotary disc to rotate on the lower end face of the shell. A drilling machine comprises the pressure foot device. The utility model provides an among the prior art can appear the problem of interference effect between two clamp plate parts easily.
Description
Technical Field
The utility model relates to a drilling equipment especially relates to a pressure foot device and adopt drilling machine of this pressure foot device.
Background
Due to the continuous development of electronic technology, the number of layers of the PCB used as a carrier and a circuit for conduction is more, the circuit is denser, and the conducting aperture is smaller; this requires higher precision and stability of the PCB drill. In order to ensure the drilling efficiency, a plurality of PCB boards are generally stacked together for drilling; moreover, in order to meet the process requirements, an aluminum sheet is added on the surface of the laminated plate. In drilling, a pressure foot switching device is generally used to press the laminated board in order to ensure that the board surface of the drilling position is flat and compact. Through the pressure part that sets up on the pressure foot auto-change over device, exert pressure to the panel that needs drilling, make the face keep leveling, and for functions such as the cutter of satisfying the different diameters of adaptation and tool changing, the position that needs accomplish automatic switch pressure part.
Referring to fig. 1, a specific structure of a pressure foot of a printed circuit board drilling machine in the prior art is known, which includes a first base 11, a circular arc cylindrical surface pressure foot slide plate 12, a first pressure ring 13, a second pressure ring 14, and two positioning bolts 15; a sliding groove 16 is formed in the middle of the first base 11, and the circular arc cylindrical surface presser foot sliding plate 12 is connected in the sliding groove 16 in a sliding manner; the first pressure ring 13 and the second pressure ring 14 are fixedly connected to the circular arc cylindrical surface presser foot sliding plate 12 respectively, a first round hole 17 is formed in the middle of the first pressure ring 13, a second round hole 18 is formed in the middle of the second pressure ring 14, and the aperture of the first round hole 17 is larger than that of the second round hole 18, so that the first pressure ring 13 and the second pressure ring 14 are switched to be matched with each other according to the required drilling size and the diameter of a cutter; the circular arc cylindrical surface presser foot sliding plate 12 is fixedly connected with a first control mechanism 18, and the circular arc cylindrical surface presser foot sliding plate 12 is driven by the first control mechanism 18 to slide along the sliding chute 16, so that the positions of the first pressure ring 13 and the second pressure ring 14 are switched; the two positioning bolts 15 are fixedly connected to two ends of the first base 11, and when the circular arc cylindrical surface presser foot sliding plate 12 slides to the end to abut against the positioning bolts 15, the first pressure ring 13 or the second pressure ring 14 can be positioned to the position where the plate material needs to be pressed.
The pressure foot of the printed circuit board drilling machine related to the figure 1 is provided with the first pressure ring 13 and the second pressure ring 14, when the drilling machine drills holes with different sizes, pressure of different areas can be applied to a plate needing to be drilled by switching the pressure parts, so that the drilling quality is improved, but the pressure foot is positioned by bolts, and in long-term work, the bolts are easily abraded or deviated, so that the pressure parts are not accurately positioned, and the drilling machining precision is influenced.
Referring to fig. 2, a specific structure of a pressure device with a conversion function in the prior art includes a second base 21, a rotating member 22, a first positioning protrusion 23, a second positioning protrusion 24, a first gasket without rubber ring 25, a second gasket without rubber ring 26, and a positioning post 27; the rotating part 22 rotates on the second base 21 through the connecting part 28, and the side end of the rotating part extends outwards to form a first positioning bulge 23 and a second positioning bulge 24; the first rubber ring-free gasket 25 and the second rubber ring-free gasket 26 are respectively fixedly connected to the rotating member 22; the positioning column 27 is arranged outside the rotating part 22 and is fixedly connected to the second base 21; the second control mechanism 29 is disposed at the side end of the second base 21, the second control mechanism 29 drives the rotating member 22 to rotate back and forth around the connecting portion 28, and when the first positioning protrusion 23 or the second positioning protrusion 24 abuts against the positioning post 27, the first rubber-ring-free gasket 25 or the fourth positioning ring 26 is relatively switched to a position where the plate needs to be pressed.
The pressure device with the conversion function related to fig. 2 effectively solves the problem that the pressure foot of the printed circuit board drilling machine related to fig. 1 is not accurately positioned due to long-term use, but in the drilling process, the first gasket without rubber ring and the second gasket without rubber ring are easy to interfere with each other, the two pressure components press the board surface needing drilling simultaneously, the drilling precision is affected, and the yield of the product is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of pressure foot device and adopt drilling machine of this pressure foot device aims at solving and interferes mutually easily between two pressure parts that exist in the background art, appears two pressure parts and pushes down the condition of the face that needs drilling simultaneously, has influenced the precision of drilling, and the problem of the yields of the product that reduces.
In order to achieve the purpose, the utility model provides a pressure foot device, which comprises a shell, a pressure component and a driving component; wherein:
the upper end of the shell is provided with an inner cavity with an upward opening; a cutter extending hole penetrating through the shell is formed in the center of the bottom of the inner cavity; the lower end face of the shell is obliquely arranged;
the pressure assembly comprises a rotary disc, a first pressure plate block and a second pressure plate block; the rotary disc is arranged below the shell and is rotationally connected with the lower end face of the shell; the lower end surface of the rotary disc comprises a first slope surface and a second slope surface which are mutually connected at a preset angle; the first pressing plate block and the second pressing plate block are arranged on the first slope surface;
the driving assembly is arranged on one side of the second slope surface, and the power output end of the driving assembly is connected with the second slope surface so as to drive the rotary disc to rotate on the lower end surface of the shell.
More specifically, the second slope surface is arranged at the outer edge of the lower end surface of the shell; a connecting piece is arranged between the first slope surface and the second slope surface, and the turntable is rotatably connected with the lower end surface of the shell through the connecting piece.
More specifically, the driving assembly comprises a cylinder, a driving block and a connecting rod; the cylinder is fixedly connected to the side end of the shell; the driving block is fixedly connected with the output end of the air cylinder; one end of the connecting rod is movably connected to one end, far away from the output end of the air cylinder, of the driving block, and the other end of the connecting rod is movably connected to the second slope surface.
More specifically, the preset angle is between 120 ° and 160 °.
More specifically, the preset angle is 150 °.
More specifically, a positioning pin close to the first slope surface is arranged on the lower end surface of the shell; the outer side of the first slope surface extends outwards to form a first positioning block and a second positioning block.
More specifically, the side of casing outwards extends and forms a plurality of connecting feet, connect and seted up the mounting hole on the foot.
More specifically, the side end of the inner cavity is provided with an annular groove.
More specifically, a dust suction port which is formed to the position of the cutter extending hole is formed in the side end of the inner cavity, the dust suction port is formed below the annular groove, and a dust suction pipe which is fixedly connected to the shell is arranged on the outer side of the dust suction port.
A drilling machine including a pressure foot arrangement as claimed in any one of the preceding claims.
The utility model relates to a pressure foot device's technological effect does:
when the preset angle is 120-160 degrees, enough height difference can be formed between the two pressure parts, and the two pressure parts can work independently without mutual interference, so that the yield of products is improved.
Drawings
FIG. 1 is a schematic view of a press foot of a PCB drill;
FIG. 2 is a schematic structural diagram of a pressure device with a switching function;
fig. 3 is a bottom view of a pressure foot device according to the present invention;
fig. 4 is a left side view of a pressure foot device according to the present invention;
fig. 5 is a schematic view of an internal structure of a pressure foot device according to the present invention;
fig. 6 is a schematic structural view of a rotary plate in the pressure foot device according to the present invention.
The labels in the figure are:
1-a housing; 2-a pressure assembly; 3-a drive assembly;
101-lumen; 102-a cutter extension hole; 103-an annular groove; 104-dust suction port; 105-a dust extraction pipe; 106-connecting pin; 107 mounting holes; 108-iron blocks;
201, a turntable; 202-a first press plate block; 203 — a second pressure block; 204-connecting piece; 205 — first slope; 206 — second slope; 207 — first via; 208 — a second via; 209, positioning pins; 210 — a first positioning block; 211 — second locating block;
301-cylinder; 302 — a drive block; 303-connecting rod;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A preferred embodiment of the present invention is realized as such, and referring to fig. 3 to 6, a pressure foot device includes a housing 1, a pressure assembly 2, and a driving assembly 3; wherein:
the upper end of the shell 1 is provided with an inner cavity 101 with an upward opening; a cutter extending hole 102 penetrating through the shell 1 is formed in the center of the bottom of the inner cavity 101; the spindle may extend into the cavity 101 and a tool secured to the spindle may extend out of the tool extension aperture 102. The lower end face of the housing 1 is obliquely arranged.
The annular groove 103 is opened to the side of inner chamber 101, and annular groove 103 is used for connecting the rubber circle, can produce little current when the main shaft rotates, need be isolated with little current through the rubber circle.
The side end of the inner cavity 101 is provided with a dust suction opening 104 which is opened to the cutter extending hole 102, the dust suction opening 104 is arranged below the annular groove 103, and the outer side of the dust suction opening is provided with a dust suction pipe 105 which is fixedly connected to the shell 1. The dust suction pipe 105 can suck out the dust generated when the cutter drills along the dust suction opening 104.
The side end of the housing 1 extends outward to form a plurality of connecting pins 106, and the connecting pins 106 are provided with mounting holes 107. An iron block 108 is fixedly connected to the connecting pin 106 far away from one end of the dust suction pipe 105; the main shaft is provided with a sensor, and when a blind hole and a deep hole are drilled, the position of the iron block 108 is sensed through the sensor, so that the main shaft can accurately drive the cutter to drill the hole.
The pressure assembly 2 comprises a turntable 201, a first pressure plate block 202 and a second pressure plate block 203; the turntable 201 is arranged below the shell 1 and is rotationally connected with the lower end surface of the shell 1 through a connecting piece 204; the lower end surface of the rotating disc 201 comprises a first slope surface 205 and a second slope surface 206 which are connected with each other at a preset angle alpha; the preset angle alpha is set to be 120-160 degrees, the second slope surface 206 is arranged at the outer edge of the lower end surface of the shell 1, and the connecting piece 204 is arranged between the first slope surface 205 and the second slope surface 206; the first press plate block 202 and the second press plate block 203 are both arranged on the first slope surface 205; a first through hole 207 is formed in the first pressing plate block 202, a second through hole 208 is formed in the second pressing plate block 203, and the aperture of the first through hole 207 is smaller than that of the second through hole 208; the first pressing plate block 202 and the second pressing plate block 203 can be switched to be matched with cutters according to the sizes of the cutters with different diameters so as to ensure that the plate surface of a drilling position is smooth and compact; the problems of needle breakage, hole deviation, dust clamping and the like are avoided; when the tool is changed, the second pressure plate block 203 can be switched, and the tool extends into the main shaft through the second through hole 208 and is installed on the main shaft.
A positioning pin 209 close to the first slope surface 205 is arranged on the lower end surface of the shell 1; the outer side of the first slope surface 205 extends outwards to form a first positioning block 210 and a second positioning block 211.
Further, the preset angle α is set to 150 °, at which the efficiency of rotating the switching pressure member is highest.
The driving component 3 is arranged on one side of the second slope surface 206 and comprises a cylinder 301, a driving block 302 and a connecting rod 303; the cylinder 301 is fixedly connected to the side end of the housing 1; the driving block 302 is fixedly connected with the output end of the air cylinder 301; one end of the connecting rod 303 is movably connected to one end of the driving block 302 far away from the output end of the cylinder 301, and the other end of the connecting rod 303 is movably connected to the second slope surface 205; the output end of the cylinder 301 drives the driving block 302 to extend and retract, so that the connecting rod 303 pulls the rotating disc 201, and the rotating disc 201 is driven to rotate on the lower end surface of the shell 1 by taking the connecting piece 204 as a center.
The utility model discloses a working process does:
when the pressure component is switched, the air cylinder 301 drives the turntable 201 to rotate, and when the turntable 201 rotates to the first positioning block 210 to be abutted against the positioning pin 209, the first through hole 207 and the cutter extending hole 102 are located on the same axis; when the rotating disc 201 rotates until the second positioning block 211 abuts against the positioning pin 209, the second through hole 208 and the cutter taking-out hole 102 are located on the same axis.
When the plate is pressed, the lifting mechanism is connected with the mounting hole 107 to drive the shell 1 to fall to the first pressing plate block 202 or the second pressing plate block 203 to press the plate surface needing drilling, so that the plate surface is kept flat and compact.
A drilling machine comprising a pressure foot arrangement according to the above embodiments.
The utility model relates to a pressure foot device and adopt drilling machine of this pressure foot device has solved and has interfered mutually easily between two pressure parts that exist among the prior art, appears two pressure parts and pushes down the condition of the panel that needs drilling simultaneously, has influenced the precision of drilling, and the problem of the yields of the product that reduces.
The above description is only exemplary of the present invention, and the structure is not limited to the above-mentioned shapes, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A pressure foot device is characterized in that: comprises a shell, a pressure component and a driving component; wherein:
the upper end of the shell is provided with an inner cavity with an upward opening; a cutter extending hole penetrating through the shell is formed in the center of the bottom of the inner cavity; the lower end face of the shell is obliquely arranged;
the pressure assembly comprises a rotary disc, a first pressure plate block and a second pressure plate block; the rotary disc is arranged below the shell and is rotationally connected with the lower end face of the shell; the lower end surface of the rotary disc comprises a first slope surface and a second slope surface which are mutually connected at a preset angle; the first pressing plate block and the second pressing plate block are arranged on the first slope surface;
the driving assembly is arranged on one side of the second slope surface, and the power output end of the driving assembly is connected with the second slope surface so as to drive the rotary disc to rotate on the lower end surface of the shell.
2. A pressure foot arrangement according to claim 1, wherein: the second slope surface is arranged at the outer edge of the lower end surface of the shell; a connecting piece is arranged between the first slope surface and the second slope surface, and the turntable is rotatably connected with the lower end surface of the shell through the connecting piece.
3. A pressure foot arrangement according to claim 1, wherein: the driving assembly comprises a cylinder, a driving block and a connecting rod; the cylinder is fixedly connected to the side end of the shell; the driving block is fixedly connected with the output end of the air cylinder; one end of the connecting rod is movably connected to one end, far away from the output end of the air cylinder, of the driving block, and the other end of the connecting rod is movably connected to the second slope surface.
4. A pressure foot arrangement according to any one of claims 1 to 3, wherein: the preset angle is between 120 ° and 160 °.
5. A pressure foot arrangement according to claim 4, wherein: the preset angle is 150 °.
6. A pressure foot arrangement according to claim 1, wherein: a positioning pin close to the first slope surface is arranged on the lower end surface of the shell; the outer side of the first slope surface extends outwards to form a first positioning block and a second positioning block.
7. The pressure foot device according to claim 1, wherein: the side of casing extends outward and forms a plurality of connection feet, connect and seted up the mounting hole on the foot.
8. The pressure foot device according to claim 1, wherein: an annular groove is formed in the side end of the inner cavity.
9. The pressure foot device according to claim 8, wherein: the side end of the inner cavity is provided with a dust suction port which is arranged at the position of the cutter extending hole, the dust suction port is arranged below the annular groove, and the outer side of the dust suction port is provided with a dust suction pipe which is fixedly connected to the shell.
10. A drilling machine characterized in that: the drill rig comprising a pressure foot assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022397328.5U CN214352781U (en) | 2020-10-26 | 2020-10-26 | Pressure foot device and drilling machine adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022397328.5U CN214352781U (en) | 2020-10-26 | 2020-10-26 | Pressure foot device and drilling machine adopting same |
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| Publication Number | Publication Date |
|---|---|
| CN214352781U true CN214352781U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022397328.5U Active CN214352781U (en) | 2020-10-26 | 2020-10-26 | Pressure foot device and drilling machine adopting same |
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| Country | Link |
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| CN (1) | CN214352781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114190015A (en) * | 2021-12-29 | 2022-03-15 | 湖北金禄科技有限公司 | PCB of wearable product and processing method thereof |
-
2020
- 2020-10-26 CN CN202022397328.5U patent/CN214352781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114190015A (en) * | 2021-12-29 | 2022-03-15 | 湖北金禄科技有限公司 | PCB of wearable product and processing method thereof |
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