CN211042132U - Three-coordinate measuring machine - Google Patents
Three-coordinate measuring machine Download PDFInfo
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- CN211042132U CN211042132U CN201921631890.0U CN201921631890U CN211042132U CN 211042132 U CN211042132 U CN 211042132U CN 201921631890 U CN201921631890 U CN 201921631890U CN 211042132 U CN211042132 U CN 211042132U
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- lengthening
- measuring
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- screwed
- threads
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Abstract
The utility model relates to a three-coordinate measuring machine, including the support, establish the workstation on the support, set up the mount on the workstation, the mount on be equipped with the crossbeam, the crossbeam on be provided with the guide rail, the guide rail on swing joint have a gauge head fixed arm, the gauge head fixed arm in be equipped with pneumatic mechanism, pneumatic mechanism's piston rod one with measuring unit fixed connection, measuring unit includes adapter, sensor, gauge needle extension bar and gauge needle, be provided with the light source in the gauge needle extension bar ring channel, this light source with ring channel fixed connection; a shell is arranged on the periphery of the sensor and fixedly connected with the sensor; be provided with switch and battery compartment on the casing, have and measure accurate advantage, centering clamping device can carry out accurate fixed to the test object simultaneously, prevents to influence measuring result's accuracy because of fixed insecure.
Description
Technical Field
The utility model relates to a measure technical field, especially relate to a three-coordinate measuring machine.
Background
A three-coordinate measuring machine is an instrument capable of expressing measurement capabilities such as geometric shape, length, circumferential division and the like in a hexahedral space range, and is also called as a three-coordinate measuring machine or a three-coordinate scalar bed. The coordinate measuring apparatus can be defined as "an apparatus having a three-axis displacement measuring system (e.g. grating ruler) which can calculate each point (x, y, z) of the workpiece and each function measurement through a data processor or a computer", and can move on three mutually perpendicular guide rails, the detector can transmit signals in a contact or non-contact way. The measurement functions of the three-coordinate measuring instrument include dimensional accuracy, positioning accuracy, geometric accuracy, contour accuracy and the like.
SUMMERY OF THE UTILITY MODEL
Based on above-mentioned technical defect, the utility model provides a three-coordinate measuring machine has solved the technical defect among the background art.
The utility model relates to a three-coordinate measuring machine, including the support, establish the workstation on the support, set up the mount on the workstation, the mount on be equipped with the crossbeam, the crossbeam on be provided with the guide rail, the guide rail on swing joint have a gauge head fixed arm, the gauge head fixed arm in be equipped with pneumatic mechanism, pneumatic mechanism's piston rod one with measuring unit fixed connection, measuring unit includes adapter, sensor, gauge needle extension bar and gauge needle, be provided with the light source in the gauge needle extension bar ring channel, this light source with ring channel fixed connection; a shell is arranged on the periphery of the sensor and fixedly connected with the sensor; the shell is provided with a power switch and a battery bin.
Further, the workstation on be equipped with centering clamping device, centering clamping device include the cylinder, the piston rod two of cylinder be connected with the one end of pressing from both sides tight arm, the other end of pressing from both sides tight arm can dismantle and be connected with and press from both sides tight piece, be provided with anodal and negative contact in the battery compartment, the one end of light source with a contact electricity of battery compartment is connected, the other end of light source with switch's one end electricity is connected, switch's the other end with another contact electricity of battery compartment is connected.
Furthermore, the clamping block is a V-shaped block, the openings of the V-shaped block are oppositely arranged, and the air cylinder is fixedly connected with the workbench.
Furthermore, the measuring unit also comprises a measuring pin lengthening device, the measuring pin lengthening device is provided with a sucker, the lower end of the sucker is connected with a fixed rod, the lower end of the fixed rod is connected with the conical lengthening device into a whole through threads, the conical lengthening device is connected with the five-direction connecting seat into a whole, and five threaded holes connected with the measuring pin are formed around the connecting seat and at the lower end of the connecting seat.
Further, toper extension fixture includes cylindricality extension bar I, cylindricality extension bar II and toper extension bar, I upper end of cylindricality extension bar closes through phi 6 screw thread soon with the dead lever lower extreme, I lower extreme of cylindricality extension bar closes through phi 6 screw thread soon with II upper ends of cylindricality extension bar, II lower extremes of cylindricality extension bar close through phi 6 screw thread soon with the big head end of toper extension bar, the tip end and the connecting seat of toper extension bar close soon.
Furthermore, the small end of the conical lengthening device is screwed with one end of the columnar lengthening bar III through phi 4 threads, the other end of the columnar lengthening bar III is screwed with the connecting seat through phi 4 threads, and the diameter of the columnar lengthening bar III is consistent with that of the small end of the conical lengthening device.
Furthermore, one end of the connecting sleeve provided with external threads penetrates through a threaded hole in the connecting seat to be screwed with internal threads formed in the inner cavity at the lower end of the columnar extension rod III, and the inner cavity at the other end of the connecting sleeve is provided with internal threads to be screwed with the measuring needle.
The utility model relates to a three-coordinate measuring machine has the accurate advantage of measurement, and centering clamping device can carry out accurate fixed to the test object simultaneously, prevents to influence measuring result's accuracy because of fixed insecure.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Wherein: 1. a work table; 2. a clamping block; 3. a fixed mount; 4. a cross beam; 5. a measuring head fixing arm; 6. a first piston rod; 7. a measuring unit; 8. a clamp arm; 9. and a cylinder.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model relates to a three-coordinate measuring machine, which comprises a bracket, a workbench 1 arranged on the bracket, a fixing frame 3 arranged on the workbench 1, a beam 4 arranged on the fixing frame 3, a guide rail arranged on the beam 4, a measuring head fixing arm 5 movably connected on the guide rail, a pneumatic mechanism arranged in the measuring head fixing arm 5, a piston rod I6 of the pneumatic mechanism fixedly connected with a measuring unit 7, the measuring unit 7 comprising an adapter, a sensor, a measuring needle extension bar and a measuring needle, a light source arranged in the annular groove of the measuring needle extension bar and fixedly connected with the annular groove; a shell is arranged on the periphery of the sensor and fixedly connected with the sensor; the shell is provided with a power switch and a battery bin.
Further, workstation 1 on be equipped with centering clamping device, centering clamping device include cylinder 9, cylinder 9's piston rod two be connected with the one end of clamping arm 8, the other end of clamping arm 8 can dismantle and be connected with and press from both sides tight piece 2, be provided with anodal and negative contact in the battery compartment, the one end of light source with a contact electricity of battery compartment is connected, the other end of light source with switch's one end electricity is connected, switch's the other end with another contact electricity of battery compartment is connected.
Further, the clamping block 2 is a V-shaped block, the openings of the V-shaped block are oppositely arranged, and the cylinder 9 is fixedly connected with the workbench 1.
Further, the measuring unit 7 further comprises a measuring pin lengthening device, the measuring pin lengthening device is provided with a sucker, the lower end of the sucker is connected with a fixed rod, the lower end of the fixed rod is connected with the conical lengthening device into a whole through threads, the conical lengthening device is connected with the five-direction connecting seat into a whole, and five threaded holes connected with the measuring pin are formed in the periphery and the lower end of the connecting seat.
Further, toper extension fixture includes cylindricality extension bar I, cylindricality extension bar II and toper extension bar, I upper end of cylindricality extension bar closes through phi 6 screw thread soon with the dead lever lower extreme, I lower extreme of cylindricality extension bar closes through phi 6 screw thread soon with II upper ends of cylindricality extension bar, II lower extremes of cylindricality extension bar close through phi 6 screw thread soon with the big head end of toper extension bar, the tip end and the connecting seat of toper extension bar close soon.
Furthermore, the small end of the conical lengthening device is screwed with one end of the columnar lengthening bar III through phi 4 threads, the other end of the columnar lengthening bar III is screwed with the connecting seat through phi 4 threads, and the diameter of the columnar lengthening bar III is consistent with that of the small end of the conical lengthening device.
Furthermore, one end of the connecting sleeve provided with external threads penetrates through a threaded hole in the connecting seat to be screwed with internal threads formed in the inner cavity at the lower end of the columnar extension rod III, and the inner cavity at the other end of the connecting sleeve is provided with internal threads to be screwed with the measuring needle.
The utility model discloses a measuring unit 7 of a three-coordinate measuring machine, which comprises an adapter, a sensor, a measuring needle extension bar and a measuring needle, wherein a light source is arranged in a ring groove of the measuring needle extension bar and is fixedly connected with the ring groove; a shell is arranged on the periphery of the sensor and fixedly connected with the sensor; the shell is provided with a power switch and a battery bin; a positive electrode contact and a negative electrode contact are arranged in the battery bin; one end of the light source is electrically connected with one contact of the battery bin, and the other end of the light source is electrically connected with one end of the power switch; the other end of the power switch is electrically connected with the other contact of the battery compartment. The specific structure can be seen in the figures.
The light source is three light-emitting diodes which are uniformly distributed along the circumferential direction of the annular groove; the light source is fixedly connected with the annular groove, namely the light emitting diode is fixedly connected with the annular groove through interference fit. The specific structure can be seen in the figure.
The shell is an annular shell; the casing is fixedly connected with the sensor, namely the annular casing is fixedly connected with the sensor through interference fit.
The three light-emitting diodes are connected in parallel and then are respectively electrically connected with the power switch and the battery bin.
When using the utility model discloses when three-coordinate measuring machine's gauge head was measured, measurement personnel opened switch, and will during some and the gauge needle of measuring pin extension bar stretched into the work piece under the illumination of light source, measurement personnel can conveniently discern whether some and the gauge needle of measuring pin extension bar produced with the measurement position and interferes the work piece
A survey pin extension device for three coordinate measuring machine has the sucking disc, the dead lever is connected to the sucking disc lower extreme, the dead lever lower extreme passes through the screw thread and is connected as an organic whole with toper extension device, toper extension device is connected as an organic whole with the connecting seat, specifically say, further, toper extension device includes cylindricality stock I, cylindricality stock II and toper stock, I upper end of cylindricality stock is screwed through phi 6 screw thread with the dead lever lower extreme, I lower extreme of cylindricality stock is screwed through phi 6 screw thread with II upper ends of cylindricality stock, II lower extremes of cylindricality stock are screwed through phi 6 screw thread with the big head end of toper stock, the tip end and the connecting seat of toper stock are screwed.
Further, the small end of the conical lengthening device is screwed with one end of the columnar lengthening device III through phi 4 threads, the other end of the columnar lengthening device III is screwed with the connecting seat through phi 4 threads, the diameter of the columnar lengthening device III is consistent with that of the small end of the conical lengthening device, specifically, one end of the connecting sleeve with external threads penetrates through a threaded hole in the connecting seat to be screwed with internal threads made in an inner cavity at the lower end of the columnar lengthening device III, and the inner cavity at the other end of the connecting sleeve is made with internal threads to be screwed with the measuring needle. The lowermost end of the extension bar adopts a columnar structure, so that the measurement range of the precision part is further widened.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model, technical field's ordinary technical personnel do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (7)
1. A three coordinate measuring machine, characterized by: the measuring device comprises a support, a workbench arranged on the support and a fixing frame arranged on the workbench, wherein a cross beam is arranged on the fixing frame, a guide rail is arranged on the cross beam, a measuring head fixing arm is movably connected onto the guide rail, a pneumatic mechanism is arranged in the measuring head fixing arm, a first piston rod of the pneumatic mechanism is fixedly connected with a measuring unit, the measuring unit comprises an adapter, a sensor, a measuring needle extension bar and a measuring needle, a light source is arranged in an annular groove of the measuring needle extension bar, and the light source is fixedly connected with the annular groove; a shell is arranged on the periphery of the sensor and fixedly connected with the sensor; the shell is provided with a power switch and a battery bin.
2. The coordinate measuring machine of claim 1, wherein: the working table is provided with a centering clamping device, the centering clamping device comprises a cylinder, a piston rod II of the cylinder is connected with one end of a clamping arm, the other end of the clamping arm is detachably connected with a clamping block, a positive electrode contact and a negative electrode contact are arranged in the battery compartment, one end of a light source is electrically connected with one contact of the battery compartment, the other end of the light source is electrically connected with one end of a power switch, and the other end of the power switch is electrically connected with the other contact of the battery compartment.
3. The coordinate measuring machine of claim 2, wherein: the clamping block is a V-shaped block, the openings of the V-shaped block are oppositely arranged, and the air cylinder is fixedly connected with the workbench.
4. The coordinate measuring machine of claim 2, wherein: the measuring unit further comprises a measuring pin lengthening device, the measuring pin lengthening device is provided with a sucker, the lower end of the sucker is connected with a fixed rod, the lower end of the fixed rod is connected with the conical lengthening device into a whole through threads, the conical lengthening device is connected with the five-direction connecting seat into a whole, and five threaded holes connected with the measuring pin are formed in the periphery and the lower end of the connecting seat.
5. The coordinate measuring machine of claim 4, wherein: the conical lengthening device comprises a cylindrical lengthening rod I, a cylindrical lengthening rod II and a conical lengthening rod, wherein the upper end of the cylindrical lengthening rod I is screwed with the lower end of the fixing rod through phi 6 threads, the lower end of the cylindrical lengthening rod I is screwed with the upper end of the cylindrical lengthening rod II through phi 6 threads, the lower end of the cylindrical lengthening rod II is screwed with the large head end of the conical lengthening rod through phi 6 threads, and the small head end of the conical lengthening rod is screwed with the connecting seat.
6. The coordinate measuring machine of claim 5, wherein: the small end of the conical lengthening device is screwed with one end of the columnar lengthening bar III through phi 4 threads, the other end of the columnar lengthening bar III is screwed with the connecting seat through phi 4 threads, and the diameter of the columnar lengthening bar III is consistent with that of the small end of the conical lengthening device.
7. The coordinate measuring machine of claim 6, wherein: one end of the connecting sleeve provided with external threads penetrates through a threaded hole in the connecting seat to be screwed with internal threads formed in the lower end inner cavity of the columnar extension rod III, and the inner cavity at the other end of the connecting sleeve is provided with internal threads to be screwed with the measuring needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921631890.0U CN211042132U (en) | 2019-09-28 | 2019-09-28 | Three-coordinate measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921631890.0U CN211042132U (en) | 2019-09-28 | 2019-09-28 | Three-coordinate measuring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211042132U true CN211042132U (en) | 2020-07-17 |
Family
ID=71562211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921631890.0U Expired - Fee Related CN211042132U (en) | 2019-09-28 | 2019-09-28 | Three-coordinate measuring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211042132U (en) |
-
2019
- 2019-09-28 CN CN201921631890.0U patent/CN211042132U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20210928 |