CN213342837U - Air floatation pressure foot device for drilling machine - Google Patents
Air floatation pressure foot device for drilling machine Download PDFInfo
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- CN213342837U CN213342837U CN202022388915.8U CN202022388915U CN213342837U CN 213342837 U CN213342837 U CN 213342837U CN 202022388915 U CN202022388915 U CN 202022388915U CN 213342837 U CN213342837 U CN 213342837U
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Abstract
The utility model relates to a drilling device, in particular to an air-floating pressure foot device for a drilling machine, which comprises a shell, a pressure component and a driving component; the pressure assembly comprises a turntable, an air supply part, a first pressure plate block and a second pressure plate block; the rotary disc is rotationally connected to the lower end face of the shell; the air supply piece is arranged below the shell, and an air supply hole is formed in the air supply piece; the first pressing plate block and the second pressing plate block are arranged on the turntable; a plurality of air outlet holes are formed in the side end of the first pressing plate block and are formed to the lower end face of the first pressing plate block; the turntable is provided with a gas flowing cavity outside the gas outlet; the turntable extends outwards to form a first positioning block, and one end, close to the air supply piece, of the first positioning block is provided with an air inlet; the driving assembly is used for driving the rotary disc to rotate on the lower end face of the shell. The utility model provides an among the prior art pressure part be with face extrusion deformation's problem easily.
Description
Technical Field
The utility model relates to a drilling equipment, concretely relates to air supporting pressure foot device for drilling machine.
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 device with a conversion function in the prior art includes a base 11, a rotating member 12, a first gasket 13 without rubber ring, a second gasket 14 without rubber ring, a positioning pin 15, and a control mechanism 16; the rotating part 12 is rotatably connected to the base 11, and the first rubber ring-free gasket 13 and the second rubber ring-free gasket 14 are arranged on the rotating part 12; the side end of the rotating member 12 extends outwards to form a first positioning projection 17 and a second positioning projection 18; a positioning pin 15 is arranged on the lower end face of the base 11; the control mechanism 16 is fixedly connected to a side end of the base 11 and is used for driving the rotating member 12 to rotate. The control mechanism 16 drives the rotating member 12 to rotate, and the first positioning protrusion 17 or the second positioning protrusion 18 is matched with the positioning pin 15 to realize the accurate positioning of the rotating member 12, so that the first rubber ring gasket 13 and the second rubber ring-free gasket 14 are switched to be matched with different cutters.
The pressure device with the conversion function related to the figure 1 has the advantage that the positions of the first rubber ring gasket and the second rubber ring gasket can be accurately switched to adapt to different cutters, so that the drilling quality is better improved. However, when the pressure is applied to the plate surface, the surface of the first rubber ring gasket or the surface of the second rubber ring gasket is directly contacted with the plate, so that the plate is pressed, the pressure applying mode is easy to wear a pressure part, and the plate is easy to extrude and deform, so that the yield of the product is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of air supporting pressure foot device for drilling machine aims at solving and exists when exerting pressure to the face among the background art, is the direct and panel contact in surface through pressure member, exerts pressure to panel, and this kind of mode of exerting pressure not only causes wearing and tearing to pressure member easily, still extrudees the deformation with panel easily to reduce the problem of the yields of product.
In order to achieve the purpose, the utility model provides an air-float pressure foot device for a drilling machine, 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 pressure assembly comprises a turntable, an air supply part, 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 air supply piece is arranged on the outer side of the rotary table, is positioned below the shell and is fixedly connected with the shell; an air supply hole penetrating through the air supply piece is formed in the air supply piece; a first mounting hole and a second mounting hole are formed in one side, close to the air supply piece, of the turntable; the first pressing plate block is arranged in the first mounting hole, a plurality of uniformly distributed air outlet holes are formed in the side end of the first pressing plate block, and the air outlet holes are formed in the lower end face of the first pressing plate block; the first mounting hole is provided with a gas flowing cavity outside the gas outlet; the second pressing plate block is arranged in the second mounting hole; the turntable extends outwards from the outer side of the first mounting hole to form a first positioning block, one end of the first positioning block, which is close to the air supply piece, is provided with an air inlet, and the air inlet is arranged to the air flowing cavity;
the drive assembly is arranged on one side far away from the air supply piece, and the power output end of the drive assembly is connected with one side, far away from the air supply piece, of the lower end face of the rotary disc so as to drive the rotary disc to rotate on the lower end face of the shell.
More specifically, the input end of the air inlet is provided with a sealing ring.
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 with 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 with one side, far away from the air supply piece, of the lower end face of the rotary table.
More specifically, the turntable is rotatably connected with the lower end face of the shell through a connecting piece.
More specifically, the turntable is provided with a second positioning block extending outwards from the outer side of the second pressing plate block; and a positioning pin is arranged between the turntable and the air supply piece on the lower end surface of the shell.
More specifically, a first through hole is formed in the middle of the first pressing plate block, and a second through hole is formed in the middle of the second pressing plate block; the aperture of the first through hole is smaller than that of the second through hole.
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, keep away from first locating piece fixedly connected with a fixed block on the connecting foot, the air feed spare with fixed block fixed connection.
More specifically, the side end of the inner cavity is provided with an annular groove.
More specifically, a dust suction port which is arranged at the side end of the inner cavity and reaches the cutter extending hole is arranged 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.
The utility model relates to a drilling machine air supporting pressure foot device's technological effect does:
1. reducing pressure component wear; the design such as air supply hole, inlet port and venthole is adopted, makes the surface of first clamp plate piece can export the air current and come to exert pressure to the panel to first clamp plate piece need not contact with the face, has effectively reduced the wearing and tearing of first clamp plate piece, has improved its life.
2. The drilling quality is improved; because exert pressure through the air current, first clamp plate piece does not contact with aluminum plate, has avoided causing the indentation to aluminum plate to avoid because of the broken needle that aluminum sheet indentation leads to, the off normal scheduling problem has effectively improved drilling quality.
3. The drilling efficiency is improved; the pressure is applied to the plate through the airflow, a layer of air floatation surface is formed between the first pressing plate block and the aluminum sheet, and when the pressing foot rises away from the surface of the aluminum sheet in the drilling work, the whole laminated plate cannot warp due to the action of the air floatation force; therefore, the height required to be lifted by the air floatation pressure foot device for the drilling machine when the plate is pressurized every time is reduced, and the drilling efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a pressure device with a switching function;
fig. 2 is a top view of an air-floating pressure foot device for a drilling machine according to the present invention;
fig. 3 is a left side view of an air-floating pressure foot device for a drilling machine according to the present invention;
fig. 4 is a schematic view of an internal structure of an air-floating pressure foot device for a drilling machine according to the present invention;
fig. 5 is a schematic structural view of a first pressing plate block in the air floating pressure foot device for a drilling machine according to the present invention;
fig. 6 is a schematic structural view of a rotary table in an air-floating pressure foot device for a drilling machine according to the present invention;
fig. 7 is a schematic structural view of an air supply member in the air floating pressure foot device for a drilling machine 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;
201, a turntable; 202-a first press plate block; 203-a second press plate block; 204-a gas supply part; 205-sealing ring; 206-a connector; 207-air supply hole; 208 — a first mounting hole; 209 — second mounting hole; 210 — a first via; 211-air outlet; 212 — a gas flow chamber; 213 — first via; 214 — first positioning block; 215 — second locating block; 216 — air intake; 217-positioning pin; 218-a fixed 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.
The preferred embodiment of the present invention is realized as described above, and referring to fig. 2 to 7, an air-floating pressure foot device for a drilling machine comprises 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 extends into the inner cavity 101, and a cutter extending hole 102 fixed on the spindle extends out of the housing 1.
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.
A dust suction port 104 opened to the cutter extending hole 102 is further provided at the side end of the inner cavity 101, and a dust suction pipe 105 fixedly connected to the housing 1 is provided outside the dust suction port 104. The dust suction pipe 105 can suck out the dust generated when the cutter drills along the dust suction opening 104.
A plurality of connecting pins 106 are arranged at the side end of the shell 1, and mounting holes 107 are arranged on the connecting pins 106.
The pressure assembly 2 comprises a turntable 201, a gas supply member 202, a first pressure plate block 203, a second pressure plate block 204 and a sealing ring 205;
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 206; the air supply part 202 is arranged outside the turntable 201, is positioned below the shell 1 and is fixedly connected with the shell 1; an air supply hole 207 penetrating through the air supply piece 202 is formed in the air supply piece 202; a first mounting hole 208 and a second mounting hole 209 are formed in one side of the turntable 201 close to the air supply piece 202; the first pressing plate block 203 is arranged in the first mounting hole 208, the middle part of the first pressing plate block is provided with a first through hole 210, the side end of the first pressing plate block is provided with a plurality of uniformly distributed air outlet holes 211, and the air outlet holes 211 are arranged to the lower end surface of the first pressing plate block 203; the first mounting hole 208 is provided with a gas flow cavity 212 at the outer side of the gas outlet hole 211; the second pressing plate block 204 is arranged in the second mounting hole 209, and the middle part of the second pressing plate block is provided with a second through hole 213; the aperture of the first through-hole 210 is smaller than that of the second through-hole 213.
The turntable 201 is provided with a first positioning block 214 extending outwards from the outer side of the first mounting hole 208, and a second positioning block 215 extending outwards from the outer side of the second mounting hole 209; one end of the first positioning block 214 close to the air supply part 202 is provided with an air inlet hole 216, and the air inlet hole 216 is arranged at the position of the air flowing cavity 212; a positioning pin 217 is arranged on the lower end surface of the shell 1 between the rotating disc 201 and the gas supply member 202.
The sealing ring 205 is arranged at the input end of the air inlet hole 216; the gap between the air supply hole 207 and the air inlet hole 216 is sealed by the sealing ring 205, so that the input of air flow is ensured.
Furthermore, a fixing block 218 is fixedly connected to the connecting leg 106 far away from the first positioning block 214, and the air supply member 202 is fixedly connected to the fixing block 218.
The driving assembly 3 is arranged on one side far away from the air supply member 202 and comprises an air cylinder 301, a driving block 302 and a connecting rod 303; the cylinder 301 is fixedly connected to one end of the shell 1 far away from the air supply part 202; the driving block 302 is fixedly connected to the output end of the air cylinder 301; one end of the connecting rod 303 is movably connected with one end of the driving block 302 far away from the output end of the air cylinder 301, and the other end is movably connected with one side of the lower end face of the turntable 201 far away from the air supply part 202. 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 206 as a center.
The utility model discloses a working process does:
when the pressure components are switched, the air cylinder 301 drives the turntable 201 to rotate back and forth by taking the connecting piece 206 as a center, when the turntable 201 rotates to the position where the first positioning block 214 abuts against the positioning pin 217, the sealing ring 205 abuts against the air supply piece 202, the first through hole 210 and the cutter extending hole 102 are located on the same longitudinal axis, and the output end of the air supply piece 202, the sealing ring 205 and the input end of the air inlet hole 216 are located on the same transverse axis; when the turntable 201 rotates to the position where the second positioning block 215 abuts against the positioning pin 217, the second through hole 213 and the cutter insertion hole 102 are located on the same longitudinal axis.
When the plate is pressed, the plate is connected with the mounting hole 107 through a lifting mechanism, and the connecting pin 106 is driven to drive the shell 1 to move; when the first press plate block 202 presses the plate surface, the first press plate block 202 stops at a position 1-2 mm away from the plate, the gas supply hole 207 conveys gas into the gas inlet hole 216, the gas is input into the gas flow cavity 212 along the gas inlet hole 216, and gas flow output is formed along the plurality of gas outlet holes 211, so that the plate surface outside the gas outlet holes 211 is pressed to be in a flat state; when the second pressing plate block 203 applies pressure to the plate surface, the plate material is pressed by the second pressing plate block 203 falling to the lower end surface thereof, so that the plate material is kept flat.
The utility model relates to a gas floating pressure foot device for drilling machine through reasonable structure setting, has solved the existence among the prior art when exerting pressure to the face, is the direct and panel contact in surface through pressure part, exerts pressure to panel, and this kind of mode of exerting pressure not only causes wearing and tearing easily to pressure part, still extrudees the deformation with panel easily to reduce the problem of the yields of product.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a gas floating pressure foot device for drilling machine which 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 pressure assembly comprises a turntable, an air supply part, 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 air supply piece is arranged on the outer side of the rotary table, is positioned below the shell and is fixedly connected with the shell; an air supply hole penetrating through the air supply piece is formed in the air supply piece; a first mounting hole and a second mounting hole are formed in one side, close to the air supply piece, of the turntable; the first pressing plate block is arranged in the first mounting hole, a plurality of uniformly distributed air outlet holes are formed in the side end of the first pressing plate block, and the air outlet holes are formed in the lower end face of the first pressing plate block; the first mounting hole is provided with a gas flowing cavity outside the gas outlet; the second pressing plate block is arranged in the second mounting hole; the turntable extends outwards from the outer side of the first mounting hole to form a first positioning block, one end of the first positioning block, which is close to the air supply piece, is provided with an air inlet, and the air inlet is arranged to the air flowing cavity;
the drive assembly is arranged on one side far away from the air supply piece, and the power output end of the drive assembly is connected with one side, far away from the air supply piece, of the lower end face of the rotary disc so as to drive the rotary disc to rotate on the lower end face of the shell.
2. The air-floating pressure foot device for the drilling machine as claimed in claim 1, wherein: and a sealing ring is arranged at the input end of the air inlet.
3. The air-floating pressure foot device for the drilling machine as claimed in 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 with 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 with one side, far away from the air supply piece, of the lower end face of the rotary table.
4. The air-floating pressure foot device for the drilling machine as claimed in claim 1, wherein: the rotary disc is rotatably connected with the lower end face of the shell through a connecting piece.
5. The air-floating pressure foot device for the drilling machine as claimed in claim 1, wherein: the turntable extends outwards from the outer side of the second pressing plate block to form a second positioning block; and a positioning pin is arranged between the turntable and the air supply piece on the lower end surface of the shell.
6. The air-floating pressure foot device for the drilling machine as claimed in claim 1, wherein: the middle part of the first pressing plate block is provided with a first through hole, and the middle part of the second pressing plate block is provided with a second through hole; the aperture of the first through hole is smaller than that of the second through hole.
7. The air-floating pressure foot device for the drilling machine as claimed in 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 air-bearing pressure foot device for the drilling machine as claimed in claim 7, wherein: keep away from first locating piece fixedly connected with a fixed block on the connecting foot, the air feed spare with fixed block fixed connection.
9. The air-floating pressure foot device for the drilling machine as claimed in claim 1, wherein: an annular groove is formed in the side end of the inner cavity.
10. The air-bearing pressure foot device for the drilling machine as claimed in claim 9, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022388915.8U CN213342837U (en) | 2020-10-24 | 2020-10-24 | Air floatation pressure foot device for drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022388915.8U CN213342837U (en) | 2020-10-24 | 2020-10-24 | Air floatation pressure foot device for drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN213342837U true CN213342837U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022388915.8U Active CN213342837U (en) | 2020-10-24 | 2020-10-24 | Air floatation pressure foot device for drilling machine |
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| CN (1) | CN213342837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814769A (en) * | 2021-11-19 | 2021-12-21 | 成都金大立科技有限公司 | PCB digit control machine tool presser foot mechanism |
-
2020
- 2020-10-24 CN CN202022388915.8U patent/CN213342837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814769A (en) * | 2021-11-19 | 2021-12-21 | 成都金大立科技有限公司 | PCB digit control machine tool presser foot mechanism |
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