CN214723417U - Grinding wheel dressing shaft assembly of high-precision valve grinding machine - Google Patents
Grinding wheel dressing shaft assembly of high-precision valve grinding machine Download PDFInfo
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- CN214723417U CN214723417U CN202120726029.3U CN202120726029U CN214723417U CN 214723417 U CN214723417 U CN 214723417U CN 202120726029 U CN202120726029 U CN 202120726029U CN 214723417 U CN214723417 U CN 214723417U
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Abstract
The utility model discloses a high-accuracy valve grinder emery wheel finishing shaft subassembly, include the emery wheel finishing shaft of finishing the video disc through finishing video disc mounting flange installation emery wheel, the emery wheel finishing shaft is the hollow shaft and establishes as an organic whole with the rotor of finishing the electricity main shaft, be equipped with the sound wave sensor in the emery wheel finishing shaft front end hole, install the signal transmitter who pegs graft with the sound wave sensor through the connector in the emery wheel finishing shaft rear end hole, install signal transmitter in the back lid of finishing the electricity main shaft casing, signal transmitter links to each other with signal transmitter through wireless signal; the electric main shaft trimming support is fixedly connected with the electric main shaft trimming support through the electric main shaft trimming support, a clamping groove is axially formed in the hole wall of one side of the electric main shaft trimming mounting hole in the electric main shaft trimming support, and the hole walls of the two sides of the clamping groove are connected in a clamping mode through fastening screws. Adopt the utility model discloses a high-accuracy valve grinder emery wheel finishing shaft subassembly can automatic monitoring emery wheel finishing quality, and can guarantee to maintain the stability and the reliability of electric main shaft installation.
Description
Technical Field
The utility model relates to a grinding machine especially relates to an improvement of trimming axle subassembly in grinding machine for grinding of engine valve conical surface.
Background
The grinding machine grinds a workpiece by using a grinding wheel rotating at a high speed, the relation between the grinding quality and the condition of the grinding surface of the grinding wheel is very large, the grinding surface of the grinding wheel must be dressed after the grinding wheel is used for a period of time, and the dressing quality of the grinding wheel is a premise for ensuring the grinding quality. The dressing process of the grinding wheel is carried out by relative motion of the grinding wheel dresser and the grinding wheel, in a precise valve grinding machine, the grinding wheel dresser mostly adopts a rotating grinding wheel to dress a disc, the grinding wheel dressing disc is arranged on a dressing electric spindle, and the rotating grinding wheel is used for dressing the grinding working surface of the rotating grinding wheel; generally, the dressing progress of the grinding wheel and the dressing quality of the grinding wheel are determined by manual observation, which requires a certain experience of an operator, which makes the dressing quality of the grinding wheel not guaranteed, which is unacceptable for a high-precision valve grinder; in addition, the electric spindle for driving the grinding wheel to finish the disc is arranged on the electric spindle mounting seat, the mounting precision of the electric spindle is ensured by the matching precision of the electric spindle shell and the electric spindle mounting hole on the electric spindle mounting seat, a matching gap always exists between the electric spindle shell and the electric spindle mounting hole, the electric spindle is in an unstable position state due to the gap, and the gap is one of factors influencing the grinding wheel finishing quality and further influencing the grinding quality for a high-precision valve grinder.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model aims to solve the technical problem that a high accuracy valve grinder emery wheel dresser shaft subassembly is provided, it can automatic monitoring emery wheel dressing quality, and can guarantee to maintain the stability and the reliability of electric main shaft installation.
In order to solve the technical problem, the utility model discloses a high-accuracy valve grinder emery wheel trimming axle subassembly, including the emery wheel trimming axle that is used for installing the emery wheel and repaiies the video disc, install the video disc mounting flange of the trimming of emery wheel trimming axle front end, the emery wheel trimming axle is established as an organic whole with the rotor of repairing the electric main shaft and is supported on the casing of repairing the electric main shaft through bearing rotation, the emery wheel trimming axle is the hollow shaft, be equipped with the sound wave sensor in the hole of emery wheel trimming axle front end trimming video disc mounting flange department, install signal transmitter in the hole of emery wheel trimming axle rear end, signal transmitter pegs graft with the sound wave sensor through the connector that passes the emery wheel trimming axle hole, install the back cover at the casing rear end of repairing the electric main shaft, install signal transmitter in the back cover, signal transmitter links to each other with signal transmitter through radio signal; the trimming electric spindle is fixedly connected to the trimming support through the trimming electric spindle seat, a clamping groove is axially formed in the hole wall of one side of the trimming electric spindle mounting hole in the trimming electric spindle seat, and the hole walls on the two sides of the clamping groove are connected in a clamping mode through fastening screws.
In the above structure, because the grinding wheel dressing shaft and the rotor of the dressing electric spindle are integrated and supported on the dressing electric spindle casing through the bearing rotation, the grinding wheel dressing shaft is a hollow shaft, the acoustic wave sensor is arranged in the inner hole of the dressing disc mounting flange at the front end of the grinding wheel dressing shaft, the grinding wheel dressing shaft as a part of the dressing electric spindle is directly driven by electric power, the acoustic wave sensor arranged in the inner hole of the dressing disc mounting flange at the front end of the grinding wheel dressing shaft can sense the acoustic wave signal in the operation process of the grinding wheel dressing disc at any time, different acoustic wave signals are sensed in the idle operation and the operation process of the grinding wheel dressing disc, and different acoustic wave signals are sensed in the rough and uneven state of the working surface of the grinding wheel at the initial stage of dressing and in the flat state of the working surface of the grinding wheel after finishing in the dressing process, accordingly, the control system of the grinding machine can accurately master the dressing process of the grinding wheel, and finish the dressing work of the grinding wheel in time after the sound wave signal of the smooth and finished working surface of the grinding wheel is obtained, so that the degree of automation is high, the dressing quality of the grinding wheel is ensured, and the working efficiency is improved.
And because the signal transmitter is arranged in the inner hole at the rear end of the grinding wheel trimming shaft, the signal transmitter is inserted with the sound wave sensor through a connector penetrating through the inner hole of the grinding wheel trimming shaft, the rear cover is arranged at the rear end of the shell of the electric spindle, the signal transmitter is arranged in the rear cover and is connected with the signal transmitter through a wireless signal, the sound wave signal sensed by the sound wave sensor is transmitted to the signal transmitter which rotates along with the grinding wheel trimming shaft together with the sound wave sensor through the connector, and then is transmitted to the signal transmitter fixedly arranged on the rear cover through the wireless transmission mode and is transmitted to the control system of the grinding machine through a cable by the signal transmitter, so that the sound wave sensor in rotary motion can smoothly transmit the sensed sound wave signal to the control system of the grinding machine.
The trimming electric main shaft is fixedly connected on the trimming support through the trimming electric main shaft seat, a clamping groove is axially formed in the wall of one side of the trimming electric main shaft mounting hole in the trimming electric main shaft seat, the wall of the two sides of the clamping groove is connected in a clamping manner through a fastening screw, so that the size of the trimming electric main shaft mounting hole in the trimming electric main shaft seat can be processed to the precision of no-clearance fit with the trimming electric main shaft shell, the clamping groove is axially formed in the wall of one side of the trimming electric main shaft mounting hole to enable the trimming electric main shaft mounting hole to be opened along the clamping groove, the smooth insertion and installation of the trimming electric main shaft are facilitated, the resistance of insertion and assembly caused by the no-clearance fit between the trimming electric main shaft mounting hole and the trimming electric main shaft shell is avoided in the installation process, and the wall of the trimming electric main shaft mounting hole is clamped and fixedly connected through the fastening screw after the smooth installation, no fit clearance exists between the trimming electric spindle mounting hole and the trimming electric spindle casing, the fit precision is high, and the stability and the reliability of the trimming electric spindle mounting are ensured.
The utility model discloses a preferred embodiment, signal transmission ware's mounted position is relative with signal transmission ware's mounted position. With this embodiment, signal transmission between the signal transmitter and the signal transmitter can be facilitated.
The utility model discloses a another kind of preferred embodiment, signal transmission ware with interval L between the signal transmitter is 0.5 ~ 1.5 millimeters. By adopting the embodiment, the accurate realization of the signal transmission between the signal transmitter and the signal transmitter can be ensured.
In another preferred embodiment of the present invention, the axis of the electric spindle mounting hole is located on a central plane of the clamping groove. By adopting the embodiment, the position of the clamping groove in the machining process of the electric main shaft seat can be conveniently determined, and the machining is convenient.
Drawings
The high-precision valve grinding machine grinding wheel dressing shaft assembly of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of one embodiment of the grinding wheel dressing shaft assembly of the high-precision valve grinding machine of the present invention;
FIG. 2 is a schematic cross-sectional view of the arrangement of FIG. 1 taken along the axial direction of the dresser spindle;
fig. 3 is a cross-sectional view of the structure of fig. 2 in the region of the electric spindle base being trimmed.
In the figure: 1-trimming support, 2-grinding wheel trimming shaft, 3-trimming disc mounting flange, 4-trimming electric main shaft seat, 5-fastening screw, 6-clamping split, 7-trimming electric main shaft, 8-rear cover, 9-acoustic wave sensor, 10-connector, 11-signal transmitter and 12-signal transmitter.
Detailed Description
In the grinding wheel dressing shaft assembly of the high-precision valve grinding machine shown in fig. 1 and 2, a dressing disk mounting flange 3 is mounted at the front end of a grinding wheel dressing shaft 2, a grinding wheel dressing disk is mounted on the grinding wheel dressing shaft 2 through the dressing disk mounting flange 3, the grinding wheel dressing shaft 2 and a rotor of a dressing electric spindle 7 are integrated and are rotatably supported on a casing of the dressing electric spindle 7 through a bearing, the grinding wheel dressing shaft 2 is a hollow shaft, an acoustic wave sensor 9 is mounted in an inner hole at the front end of the grinding wheel dressing shaft 2 at the dressing disk mounting flange 3, a signal transmitter 11 is mounted in an inner hole at the rear end of the grinding wheel dressing shaft 2, the signal transmitter 11 is inserted with the acoustic wave sensor 9 through a connector 10 penetrating through the inner hole of the grinding wheel dressing shaft 2, a rear cover 8 is mounted at the rear end of the casing of the dressing electric spindle 7, a signal transmitter 12 is mounted in the rear cover 8, the signal transmitter 12 is connected with the signal transmitter 11 through a wireless signal, the mounting position of the signal transmitter 12 is opposite to that of the signal transmitter 11, and the distance L between the signal transmitter 11 and the signal transmitter 12 is 0.5-1.5 mm; the acoustic wave sensor 9, the connector 10, the signal transmitter 11 and the signal transmitter 12 can be selected from professional products sold by related enterprises in the market.
The trimming electric spindle 7 is fixedly connected to the trimming support 1 through the trimming electric spindle seat 4, referring to fig. 3, the periphery of a machine shell of the trimming electric spindle 7 is inserted into a trimming electric spindle mounting hole on the trimming electric spindle seat 4, a clamping opening 6 is axially formed in the hole wall of one side of the trimming electric spindle mounting hole on the trimming electric spindle seat 4, the axis of the trimming electric spindle mounting hole is located on the central plane of the clamping opening 6, and the hole walls on two sides of the clamping opening 6 are in clamping connection through fastening screws 5, so that the trimming electric spindle 7 is fixedly connected to the trimming electric spindle seat 4 without gaps.
The above description has been presented only for the purpose of illustrating certain preferred embodiments of the invention, and it is not to be taken as a limitation on the invention, as many modifications and variations are possible. Any improvement and change made on the basis of the basic principle of the present invention should be considered as falling within the protection scope of the present invention.
Claims (4)
1. The utility model provides a high-accuracy valve grinder emery wheel repaiies axle subassembly, includes the emery wheel repaiies axle (2) that are used for installing the emery wheel and repaiies the video disc, installs at the video disc mounting flange (3) of repairing of emery wheel axle (2) front end, its characterized in that: the grinding wheel trimming shaft (2) and a rotor of the trimming electric spindle (7) are integrated and are rotatably supported on a shell of the trimming electric spindle (7) through a bearing, the grinding wheel trimming shaft (2) is a hollow shaft, a sound wave sensor (9) is arranged in an inner hole at the position of a trimming disc mounting flange (3) at the front end of the grinding wheel trimming shaft (2), a signal transmitter (11) is arranged in the inner hole at the rear end of the grinding wheel trimming shaft (2), the signal transmitter (11) is spliced with the sound wave sensor (9) through a connector (10) penetrating through the inner hole of the grinding wheel trimming shaft (2), a rear cover (8) is arranged at the rear end of the shell of the trimming electric spindle (7), a signal transmitter (12) is arranged in the rear cover (8), and the signal transmitter (12) is connected with the signal transmitter (11) through a wireless signal; the trimming electric spindle (7) is fixedly connected to the trimming support (1) through the trimming electric spindle seat (4), a clamping groove (6) is axially formed in the hole wall of one side of the trimming electric spindle mounting hole in the trimming electric spindle seat (4), and the hole walls of the two sides of the clamping groove (6) are clamped and connected through fastening screws (5).
2. The high-precision valve grinder grinding wheel dressing shaft assembly of claim 1, wherein: the installation position of the signal transmitter (12) is opposite to the installation position of the signal transmitter (11).
3. The high-precision valve grinder grinding wheel dressing shaft assembly of claim 1 or 2, wherein: the distance L between the signal transmitter (11) and the signal transmitter (12) is 0.5-1.5 mm.
4. The high-precision valve grinder grinding wheel dressing shaft assembly of claim 1, wherein: the axis of the trimming electric spindle mounting hole is positioned on the central plane of the clamping groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120726029.3U CN214723417U (en) | 2021-04-10 | 2021-04-10 | Grinding wheel dressing shaft assembly of high-precision valve grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120726029.3U CN214723417U (en) | 2021-04-10 | 2021-04-10 | Grinding wheel dressing shaft assembly of high-precision valve grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214723417U true CN214723417U (en) | 2021-11-16 |
Family
ID=78601583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120726029.3U Active CN214723417U (en) | 2021-04-10 | 2021-04-10 | Grinding wheel dressing shaft assembly of high-precision valve grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214723417U (en) |
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2021
- 2021-04-10 CN CN202120726029.3U patent/CN214723417U/en active Active
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