CN112658805A - Flow pulse counter and application thereof - Google Patents
Flow pulse counter and application thereof Download PDFInfo
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- CN112658805A CN112658805A CN202011492283.8A CN202011492283A CN112658805A CN 112658805 A CN112658805 A CN 112658805A CN 202011492283 A CN202011492283 A CN 202011492283A CN 112658805 A CN112658805 A CN 112658805A
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- 238000003801 milling Methods 0.000 claims abstract description 16
- 238000010009 beating Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000005242 forging Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of counters, in particular to a flow pulse counter which comprises a hydraulic motor, a rotating shaft, a photoelectric switch and a code disc, wherein the hydraulic motor can be driven to rotate by oil entering through an oil inlet pipeline, the hydraulic motor drives the rotating shaft and the code disc to rotate, the photoelectric switch counts the number of seam lines passing through the code disc in a rotating way, and then the volume of the oil entering the hydraulic motor is obtained through conversion, so that whether an oil cylinder is in place or not can be judged, the position of a cutter piston can be conveniently and accurately judged by a numerical control system, and the problem that an approach switch wire cannot pass through a milling head body and the problem of reliability of a pressure relay are avoided; the testing method can judge whether the cutter beating of the multi-face milling head of the numerical control machine tool is in place or not through the flow pulse counter, so that a pressure relay signal is not needed.
Description
Technical Field
The invention relates to the technical field of pulse counters, in particular to a flow pulse counter and application thereof.
Background
In the multi-face milling head of the numerical control machine tool, a spindle piston needs to have tool loosening in-place detection during tool changing, otherwise, the risk of tool falling, damage to relevant parts of a tool magazine and the like is easily caused. However, in the universal milling head, due to the rotation of the two rotating shafts, the electric wire of the proximity switch cannot be connected to the electric cabinet through the whole milling head body, so that most of the milling heads judge whether the unclamping cylinder is in place or not through the pressure relay of the oil pressure system, namely the oil pressure of the unclamping cylinder rises after unclamping is in place, so that the pressure relay is triggered by a signal, and the piston is judged to be in place through the signal. The method has great hidden danger, for example, once the oil cylinder and the piston are stuck, the knife is not in place, and the pressure relay signal can be triggered, so that the numerical control system can make misjudgment. The existing pulse counter cannot be suitable for detecting whether the milling head body is installed in place or not, and the existing pulse counter is complex in structure, inconvenient to install and low in precision.
Disclosure of Invention
The invention provides a flow pulse counter and application thereof aiming at the problems in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a flow pulse counter which comprises a hydraulic motor, a rotating shaft, a photoelectric switch and a code disc, wherein the rotating shaft is arranged at the lower end of the hydraulic motor, the code disc is connected with the rotating shaft, the photoelectric switch is arranged on the code disc, an oil inlet pipeline, an oil return pipeline and an oil drainage pipeline are arranged in the hydraulic motor, a plurality of strip line seams are uniformly arranged on the code disc, and the oil inlet pipeline, the oil return pipeline and the oil drainage pipeline are mutually communicated.
Preferably, the inner wall of the oil inlet pipeline, the inner wall of the oil return pipeline and the inner wall of the oil discharge pipeline are all provided with spiral threads.
Preferably, the hydraulic motor is provided with a fixing plate, fixing holes are formed in two sides of the fixing plate, and the fixing plate is oval.
Preferably, the oil inlet of the oil inlet pipeline, the oil outlet of the oil return pipeline and the oil outlet of the oil drain pipeline are all arranged at one end, far away from the rotating shaft, of the hydraulic motor.
Preferably, a fixed shaft and an oil passing disc are arranged inside the hydraulic motor, the oil inlet pipeline and the oil returning pipeline are annularly wound inside the hydraulic motor, an outlet of the oil inlet pipeline is connected and communicated with an oil inlet of the oil passing disc, an oil inlet of the oil returning pipeline is connected and communicated with an oil outlet of the oil passing disc, the lower end of the oil passing disc is connected with the rotating shaft, and a bearing is arranged at the joint of the rotating shaft and the hydraulic motor.
Preferably, the oil inlet pipeline is externally connected to the reversing valve, and the oil return pipeline and the oil drain pipeline are externally connected to the cutter.
Preferably, the code wheel is in a wafer shape, the linear seams are gathered inwards, and a plurality of magnetic blocks which are uniformly distributed are arranged in the code wheel.
Preferably, the photoelectric switch is externally connected with a controller, and the controller is a single chip.
The utility model provides an use of flow pulse counter, with the switching-over valve of the external digit control machine tool multiaspect cutter head of the oil inlet pipe of flow pulse counter, with the knife forging jar of the external digit control machine tool multiaspect cutter head of the oil return pipe of flow pulse counter, when the fluid of certain flow gets into the knife forging piston through hydraulic motor, hydraulic motor drives the code wheel rotation, photoelectric switch detects the rotatory number of turns of code wheel, can judge out the volume that the fluid flow goes into hydraulic motor, thereby judge whether the knife forging of digit control machine tool multiaspect cutter head targets in place.
The invention has the beneficial effects that:
the invention provides a flow pulse counter which comprises a hydraulic motor, a rotating shaft, a photoelectric switch and a code disc, wherein the rotating shaft is arranged at the lower end of the hydraulic motor, the code disc is connected with the rotating shaft, the photoelectric switch is arranged on the code disc, an oil inlet pipeline, an oil return pipeline and an oil drainage pipeline are arranged in the hydraulic motor, a plurality of strip line seams are uniformly arranged on the code disc, and the oil inlet pipeline, the oil return pipeline and the oil drainage pipeline are mutually communicated; the invention can drive the hydraulic motor to rotate according to the oil entering through the oil inlet pipeline, the hydraulic motor drives the rotating shaft and the code disc to rotate, the photoelectric switch counts the number of the line seams through which the code disc rotates, and then the volume of the oil entering the hydraulic motor is obtained through conversion, so that whether the oil cylinder is in place or not can be judged, the position of the cutter-striking piston can be more conveniently and accurately judged by a numerical control system, and the problem that a proximity switch line cannot pass through a milling head body and the problem of the reliability of a pressure relay are avoided.
The testing method can judge whether the cutter beating of the multi-face milling head of the numerical control machine tool is in place or not through the flow pulse counter, so that a pressure relay signal is not needed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a front view of the present invention.
The reference numerals are respectively:
a hydraulic motor-1, a rotating shaft-2, a photoelectric switch-3, a code disc-4, an oil inlet pipeline-5, an oil return pipeline-6, an oil drainage pipeline-7, a fixing plate-8, a fixing hole-9 and a line seam-10.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 1-3, the flow pulse counter provided by the invention comprises a hydraulic motor 1, a rotating shaft 2, a photoelectric switch 3 and a code wheel 4, wherein the rotating shaft 2 is installed at the lower end of the hydraulic motor 1, the code wheel 4 is connected with the rotating shaft 2, the photoelectric switch 3 is installed on the code wheel 4, an oil inlet pipeline 5, an oil return pipeline 6 and an oil drainage pipeline 7 are arranged in the hydraulic motor 1, a plurality of strip line seams 10 are uniformly arranged on the code wheel 4, and the oil inlet pipeline 5, the oil return pipeline 6 and the oil drainage pipeline 7 are mutually communicated; according to the invention, the hydraulic motor 1 can be driven to rotate by oil entering through the oil inlet pipeline 5, the hydraulic motor 1 drives the rotating shaft 2 and the code disc 4 to rotate, the photoelectric switch 3 counts the number of the wire seams 10 which the code disc 4 rotates through, and then the volume of the oil entering the hydraulic motor 1 is obtained through conversion, so that whether the oil cylinder is in place or not can be judged, the position of the cutter piston can be more conveniently and accurately judged by a numerical control system, and the problem that an approach switch wire cannot pass through the milling head body and the problem of the reliability of a pressure relay are avoided.
In this embodiment, the inner wall of the oil inlet pipeline 5, the inner wall of the oil return pipeline 6 and the inner wall of the oil drain pipeline 7 are all provided with spiral threads, and the spiral threads can facilitate the external connection of other pipelines and devices of the oil inlet pipeline 5, the oil return pipeline 6 and the oil drain pipeline 7.
In this embodiment, the hydraulic motor 1 is provided with a fixing plate 8, fixing holes 9 are formed in two sides of the fixing plate 8, the fixing plate 8 is oval, the fixing plate 8 facilitates fixing of the fixing machine on a machine table, and other equipment or the machine table of the fixing machine can be fixed by bolts penetrating through the fixing holes 9.
In the embodiment, in order to conveniently connect other pipelines and devices, the oil inlet of the oil inlet pipeline 5, the oil outlet of the oil return pipeline 6 and the oil outlet of the oil discharge pipeline 7 are all arranged at one end of the hydraulic motor 1, which is far away from the rotating shaft 2.
In the embodiment, a fixed shaft and an oil passing disc are arranged inside the hydraulic motor 1, the oil inlet pipeline 5 and the oil return pipeline 6 are annularly wound inside the hydraulic motor 1, an outlet of the oil inlet pipeline 5 is connected and communicated with an oil inlet of the oil passing disc, an oil inlet of the oil return pipeline 6 is connected and communicated with an oil outlet of the oil passing disc, the lower end of the oil passing disc is connected with the rotating shaft 2, a bearing is arranged at the joint of the rotating shaft 2 and the hydraulic motor 1, the oil inlet pipeline 5 is externally connected to a reversing valve, the oil return pipeline 6 and the oil discharge pipeline 7 are externally connected to a cutter, oil coming from the reversing valve is connected into the oil inlet pipeline 5 of the hydraulic motor 1, the oil return pipeline 6 of the hydraulic motor 1 is connected to a cutter cylinder, when oil with a certain flow rate enters the cutter piston through the hydraulic motor 1, the hydraulic motor 1 rotates to drive the code, the code wheel 4 is provided with uniformly distributed strip-shaped seams, when light of the photoelectric switch 3 passes through the seams, an electric signal is output, when the seams are not available, the light is shielded, no signal is output, when the code wheel 4 continuously rotates, the signal is a series of pulse signals, the number of the pulses is accumulated in a circuit, the volume of oil actually entering the piston can be obtained, and therefore whether the piston of the unclamping cylinder is in place or not can be judged.
In the embodiment, in order to ensure the accuracy of the code wheel 4, the code wheel 4 is in a circular sheet shape, the strip line seams 10 are gathered inwards, a plurality of uniformly distributed magnetic blocks are arranged inside the code wheel 4, and the passing times of the magnetic blocks can be counted through the magnetic induction element, so that the volume of oil entering the hydraulic motor 1 is counted.
In this embodiment, the photoelectric switch 3 is externally connected with a controller, the controller is a single chip, the photoelectric switch 3 sends a detected signal to the controller, and the controller processes and analyzes the signal to obtain a numerical value of the volume of oil entering the hydraulic motor 1.
Example two
As shown in figure 1, the application of a flow pulse counter is characterized in that an oil inlet pipeline 5 of the flow pulse counter is externally connected with a reversing valve of a multi-face milling head of a numerical control machine, an oil return pipeline 6 of the flow pulse counter is externally connected with a cutter cylinder of the multi-face milling head of the numerical control machine, when oil with a certain flow enters a cutter piston through a hydraulic motor, a coded disc 5 is driven by the hydraulic motor 1 to rotate, a photoelectric switch 3 detects the number of turns of the rotation of the coded disc 5, the volume of the oil flowing into the hydraulic motor 1 can be judged, and therefore whether the cutter of the multi-face milling head of the numerical control machine is in place or not can be judged.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A flow pulse counter, comprising: including hydraulic motor, rotation axis, photoelectric switch and code wheel, the rotation axis install in the hydraulic motor lower extreme, the code wheel with the rotation axis is connected, photoelectric switch install in on the code wheel, be provided with into oil pipe way, oil return pipe way and draining pipeline in the hydraulic motor, evenly be provided with a plurality of strip seams on the code wheel, advance oil pipe way oil return pipe way with draining pipeline link up each other.
2. A flow pulse counter as claimed in claim 1, wherein: the inner wall of the oil inlet pipeline, the inner wall of the oil return pipeline and the inner wall of the oil discharge pipeline are all provided with spiral grains.
3. A flow pulse counter as claimed in claim 1, wherein: the hydraulic motor is provided with a fixing plate, fixing holes are formed in two sides of the fixing plate, and the fixing plate is oval.
4. A flow pulse counter as claimed in claim 1, wherein: the oil inlet of the oil inlet pipeline, the oil outlet of the oil return pipeline and the oil outlet of the oil discharge pipeline are all arranged at one end, far away from the rotating shaft, of the hydraulic motor.
5. A flow pulse counter as claimed in claim 1, wherein: the hydraulic motor is internally provided with a fixed shaft and an oil through disc, the oil inlet pipeline and the oil return pipeline are annularly wound inside the hydraulic motor, an outlet of the oil inlet pipeline is connected with an oil inlet of the oil through disc and communicated with the oil inlet of the oil through disc, an oil inlet of the oil return pipeline is connected with an oil outlet of the oil through disc and communicated with the oil through disc, the lower end of the oil through disc is connected with the rotating shaft, and the rotating shaft is provided with a bearing at the joint of the hydraulic motor.
6. A flow pulse counter as claimed in claim 1, wherein: the oil inlet pipeline is externally connected to the reversing valve, and the oil return pipeline and the oil drain pipeline are externally connected to the unclamping cylinder.
7. A flow pulse counter as claimed in claim 1, wherein: the code wheel is in a wafer shape, the line seams are gathered inwards, and a plurality of magnetic blocks which are uniformly distributed are arranged in the code wheel.
8. A flow pulse counter as claimed in claim 1, wherein: the photoelectric switch is externally connected with a controller, and the controller is a single chip.
9. Use of a flow pulse counter according to claims 1-8, characterized in that: the reversing valve of the external numerical control machine tool multi-face milling head of the oil inlet pipeline of the flow pulse counter and the cutter beating cylinder of the external numerical control machine tool multi-face milling head of the oil return pipeline of the flow pulse counter are connected, when oil with certain flow enters a cutter beating piston through a hydraulic motor, the hydraulic motor drives a coded disc to rotate, a photoelectric switch detects the number of turns of the coded disc to judge the volume of the oil flowing into the hydraulic motor, and therefore whether the cutter beating of the numerical control machine tool multi-face milling head is in place or not is judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011492283.8A CN112658805A (en) | 2020-12-16 | 2020-12-16 | Flow pulse counter and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011492283.8A CN112658805A (en) | 2020-12-16 | 2020-12-16 | Flow pulse counter and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112658805A true CN112658805A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011492283.8A Pending CN112658805A (en) | 2020-12-16 | 2020-12-16 | Flow pulse counter and application thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000080989A (en) * | 1998-07-02 | 2000-03-21 | Jms Co Ltd | Liquid transport pump device |
| CN2420453Y (en) * | 2000-05-18 | 2001-02-21 | 机械工业部西安重型机械研究所 | Hydraulic cylinder with position retaining function |
| CN102797715A (en) * | 2012-08-27 | 2012-11-28 | 刘镇江 | Oil cylinder control device and use method thereof |
| CN102985705A (en) * | 2010-05-06 | 2013-03-20 | 斯堪迪纳维亚建筑公司 | An encoder to determine the position of a piston in a hydraulic or a pneumatic cylinder |
| CN110541864A (en) * | 2019-08-29 | 2019-12-06 | 上海布拓传动***设备有限公司 | Hydraulic motor with brake integrated encoder |
-
2020
- 2020-12-16 CN CN202011492283.8A patent/CN112658805A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000080989A (en) * | 1998-07-02 | 2000-03-21 | Jms Co Ltd | Liquid transport pump device |
| CN2420453Y (en) * | 2000-05-18 | 2001-02-21 | 机械工业部西安重型机械研究所 | Hydraulic cylinder with position retaining function |
| CN102985705A (en) * | 2010-05-06 | 2013-03-20 | 斯堪迪纳维亚建筑公司 | An encoder to determine the position of a piston in a hydraulic or a pneumatic cylinder |
| CN102797715A (en) * | 2012-08-27 | 2012-11-28 | 刘镇江 | Oil cylinder control device and use method thereof |
| CN110541864A (en) * | 2019-08-29 | 2019-12-06 | 上海布拓传动***设备有限公司 | Hydraulic motor with brake integrated encoder |
Non-Patent Citations (1)
| Title |
|---|
| 何强，李安玲, 河南科学技术出版社 * |
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Application publication date: 20210416 |