CN209910631U - Elasticity measuring connector, elasticity measuring unit and elasticity measuring device - Google Patents
Elasticity measuring connector, elasticity measuring unit and elasticity measuring device Download PDFInfo
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- CN209910631U CN209910631U CN201920744675.5U CN201920744675U CN209910631U CN 209910631 U CN209910631 U CN 209910631U CN 201920744675 U CN201920744675 U CN 201920744675U CN 209910631 U CN209910631 U CN 209910631U
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Abstract
The application relates to the technical field of measurement of workpieces and discloses an elasticity measurement connecting piece, an elasticity measurement unit and an elasticity measurement device. The elastic measurement connecting piece comprises a first mounting block, a second mounting block, a first elastic sheet and a second elastic sheet which are arranged at intervals, wherein the first elastic sheet is obliquely connected between the first mounting block and the second mounting block, the second elastic sheet is obliquely connected between the first mounting block and the second mounting block, the first elastic sheet and the second elastic sheet are arranged in a crossed mode, and one of the first mounting block and the second mounting block can elastically float around a crossed axis of a crossed position relative to the other through the first elastic sheet and the second elastic sheet when being stressed, so that the requirement of high-precision measurement can be met.
Description
Technical Field
The application relates to the technical field of measurement of workpieces, in particular to an elasticity measurement connecting piece, an elasticity measurement unit and an elasticity measurement device.
Background
Currently, in daily production, most of the workpieces are measured to detect whether the workpieces meet production requirements. For example, currently, a fixed probe, that is, a rigid probe is mostly used for cross-bar distance (hereinafter abbreviated as OBD) measurement, and there are many factors affecting repeatability and accuracy in this measurement method, for example: workpiece positioning accuracy, workpiece machining accuracy, workpiece related parameter tolerance range and the like, and finally, the measurement equipment cannot meet functional requirements and cannot pass later verification (GRR) and the like.
When OBD and other parameters are measured, the relative positions of the rigid measuring head and the tooth socket of the measured workpiece cannot be completely attached, and the positions of the same workpiece are different when the same workpiece is clamped again, so that the measurement is inaccurate.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides an elastic measurement connector, so as to meet the requirement of high-precision measurement.
In a first aspect, according to the application, an elasticity measurement connecting piece is provided, which comprises a first mounting block and a second mounting block which are arranged at intervals, and a first elastic sheet and a second elastic sheet, wherein the first elastic sheet is obliquely connected between the first mounting block and the second mounting block, the second elastic sheet is obliquely connected between the first mounting block and the second mounting block, the first elastic sheet and the second elastic sheet are arranged in a crossed manner, and one of the first mounting block and the second mounting block can elastically float around a crossed axis of a crossed position relative to the other through the first elastic sheet and the second elastic sheet when being stressed.
According to the technical scheme of the application, because the first elastic sheet and the second elastic sheet are arranged in a crossed manner, when one of the first installation block and the second installation block is stressed, the first installation block and the second installation block can elastically float around a crossed axis of a crossed position relative to the other through the first elastic sheet and the second elastic sheet, in practical use, one of the first installation block and the second installation block can be connected to the measuring head, the other one of the first installation block and the second installation block can be connected to the sensor unit, the sensor unit can drive the measuring head to move along the first direction to detect the displacement variation amount of the measuring head in the first direction, the elastic measurement connecting piece can allow the measuring head to elastically float transversely to the first direction, the measuring head can contact and attach to a surface to be measured in real time, for example, the measuring head can be completely attached to a tooth groove of a workpiece to be measured, and therefore, when the measuring head contacts the workpiece to be measured, the first elastic sheet and the second elastic sheet elastically deform in a micro-scale manner to enable The measuring head is attached to the tooth groove on the workpiece to be measured, so that the repeatability and the accuracy of measurement are improved.
Furthermore, mounting grooves are formed in the first mounting block and the second mounting block respectively, and two ends of the first elastic sheet and two ends of the second elastic sheet are inserted into the corresponding mounting grooves respectively.
Further, the first elastic sheet is provided with a through opening, and the second elastic sheet penetrates through the through opening.
Furthermore, the first elastic sheet is a square frame-shaped elastic sheet, wherein a hollow part of the square frame-shaped elastic sheet is formed into a through opening; the second elastic sheet is an I-shaped elastic sheet, wherein a middle connecting arm of the I-shaped elastic sheet penetrates through the hollow part of the square frame-shaped elastic sheet and keeps a gap with a frame arm of the hollow part; the width of the connecting arm parts at two ends of the middle connecting arm of the I-shaped elastic sheet is the same as that of the square frame-shaped elastic sheet.
In addition, the elastic measuring connecting piece comprises a limiting structure for adjusting the floating range of elastic floating; and/or the elastic measuring connection comprises a guiding structure for guiding one of the first mounting block and the second mounting block to elastically float relative to the other.
Further, the elastic measuring connection comprises a first base block and a second base block, wherein the first mounting block is arranged on the first base block and the second mounting block is arranged on the second base block;
the limiting structure comprises a limiting plate and an adjusting piece, wherein one end of the limiting plate is arranged on one base block of the first base block and the second base block, and the other end of the limiting plate extends to be above and is spaced from the other base block of the first base block and the second base block; the adjusting piece is arranged at the other end of the limiting plate and extends towards the other base block, and the adjusting piece can act to adjust the distance between the adjusting piece and the other base block, wherein one base block is used for being connected with the sensor unit, and the other base block is used for being connected with the measuring head;
the guide structure comprises a guide connecting column and a guide hole on the other base block, and the guide connecting column penetrates through the other end of the limiting plate and is movably matched in the guide hole.
In a second aspect, the application provides an elasticity measuring unit, including gauge head, sensor unit and the elasticity measuring connection spare that is used for the contact surface to be measured, wherein, the gauge head passes through the elasticity measuring connection spare connect in the sensor unit, the sensor unit can drive the gauge head removes in order to detect along the first direction the displacement variation amount of gauge head in the first direction, wherein, the elasticity measuring connection spare can allow the gauge head is horizontal in the first direction elasticity and is floated.
Like this, because elasticity measurement connecting piece can allow the gauge head to transversely the first direction elasticity float, like this, when the gauge head contacted the work piece that awaits measuring, the gauge head will the elasticity float and with the surface that awaits measuring on the work piece that awaits measuring such as tooth's socket laminating to promote measuring repeatability and accuracy.
Furthermore, the floating range of the measuring head which elastically floats transversely to the first direction can be adjusted; and/or the measuring head is a spherical measuring head.
Further, the elastic measuring link is the elastic measuring link according to any one of the first aspect to the above, wherein one of the first mounting block and the second mounting block is connected to the probe, and the other of the first mounting block and the second mounting block is connected to the sensor unit.
In a third aspect, the present application provides an elasticity measuring device comprising a plurality of elasticity measuring units of any of the second aspect above arranged circumferentially at intervals. In this way, as described above, the repeatability and accuracy of the measurement can be improved.
Additional features and advantages of the present application will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate an embodiment of the invention and, together with the description, serve to explain the invention. In the drawings:
FIG. 1 is a perspective view of an elastic measuring attachment according to a preferred embodiment of the present application;
FIG. 2 is a side view of the flexible measurement connection of FIG. 1;
FIG. 3 is a schematic structural view of a second spring plate in the elastic measurement connection member of FIG. 1;
FIG. 4 is a schematic structural view of a first resilient plate of the elastic measurement connector of FIG. 1;
FIG. 5 is a schematic perspective view of an elasticity measurement unit according to a preferred embodiment of the present application;
FIG. 6 is a schematic diagram of a side view of the elasticity measuring unit of FIG. 5;
fig. 7 is a partially enlarged schematic view of fig. 6.
Detailed Description
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In a first aspect, referring to the structures shown in fig. 1 and fig. 2, the elasticity measurement connector provided by the present application includes a first mounting block 1 and a second mounting block 2 arranged at intervals, and a first elastic sheet 11 and a second elastic sheet 12, wherein the first elastic sheet 11 is obliquely connected between the first mounting block 1 and the second mounting block 2, the second elastic sheet 12 is obliquely connected between the first mounting block 1 and the second mounting block 2, wherein the first elastic sheet 11 and the second elastic sheet 12 are arranged in a crossed manner, and when one of the first mounting block 1 and the second mounting block 2 is stressed, one of the first mounting block 1 and the second mounting block 2 can elastically float around a crossed axis at the crossed position relative to the other through the first elastic sheet 11 and the second elastic sheet 12.
Because the first elastic sheet and the second elastic sheet are arranged in a crossing manner, when a force is applied to one of the first mounting block and the second mounting block, the first mounting block and the second mounting block can elastically float around a crossing axis at a crossing position relative to the other one of the first mounting block and the second mounting block through the first elastic sheet and the second elastic sheet, so that in practical use, one of the first mounting block and the second mounting block can be connected to the measuring head, the other one of the first mounting block and the second mounting block can be connected to the sensor unit, the sensor unit can drive the measuring head to move along a first direction to detect the displacement variation of the measuring head in the first direction, the elastic measurement connecting piece can allow the measuring head to elastically float transversely to the first direction, so that the measuring head can contact and attach to a surface to be measured in real time, for example, the measuring head can completely attach to a tooth socket of a workpiece to be measured, and thus, when the measuring head contacts the workpiece to be measured, the first elastic sheet and the, the measuring head is attached to the tooth groove on the workpiece to be measured, so that the repeatability and the accuracy of measurement are improved.
Of course, the first elastic sheet 11 and the second elastic sheet 12 may be obliquely connected between the first mounting block 1 and the second mounting block 2 in any suitable manner, for example, they may be welded, or welded or screwed, or, as shown in fig. 2, mounting grooves are formed on the first mounting block 1 and the second mounting block 2, and two ends of the first elastic sheet 11 and the second elastic sheet 12 are respectively inserted into the corresponding mounting grooves. Of course, the two ends of the first elastic sheet 11 and the second elastic sheet 12 may be tightly inserted into the mounting groove, or may be tightly connected by a connecting member, such as a screw, passing through the mounting block and the elastic sheets.
In addition, the first elastic sheet 11 and the second elastic sheet 12 may have various structures, for example, the first elastic sheet 11 and the second elastic sheet 12 may have the same shape and be arranged at intervals, as long as they can have intersecting coinciding axes. Alternatively, the first resilient piece 11 and the second resilient piece 12 may have different shapes, for example, as shown in fig. 3 and 4, the first resilient piece 11 is formed with the through opening 3, and the second resilient piece 12 passes through the through opening 3. Therefore, the first elastic sheet 11 can be arranged by fully utilizing the self space structure of the second elastic sheet 12, so that the space occupation of the first elastic sheet 11 and the second elastic sheet 12 is reduced, and the structure is more compact.
Further, as shown in fig. 3 and 4, the first elastic sheet 11 is a square frame-shaped elastic sheet, wherein a hollow portion of the square frame-shaped elastic sheet is formed to pass through the opening 3; the second elastic sheet 12 is an I-shaped elastic sheet, wherein the middle connecting arm 4 of the I-shaped elastic sheet penetrates through the hollow part of the square elastic sheet and keeps a gap with the frame arm of the hollow part; the width of the connecting arm parts 5 at the two ends of the middle connecting arm of the I-shaped elastic sheet is the same as that of the square frame-shaped elastic sheet. In this way, the connection structures between the first elastic sheet 11 and the second elastic sheet 12 and the mounting blocks are the same, so that the stability and reliability of elastic floating of one of the first mounting block 1 and the second mounting block 2 around the cross axis of the cross relative to the other can be improved through the first elastic sheet 11 and the second elastic sheet 12 when the other one is stressed.
In addition, the elastic measuring connecting piece comprises a limiting structure for adjusting the floating range of the elastic floating, so that the floating range can be adjusted through the limiting structure, and the elastic measuring connecting piece meets different measuring requirements; and/or the elastic measuring connection comprises a guiding structure for guiding one of the first mounting block 1 and the second mounting block 2 to elastically float relative to the other, so that the elastic floating of one of the first mounting block 1 and the second mounting block 2 relative to the other can be more stable and reliable through the guiding structure.
Of course, it should be understood that the limiting structure and the guiding structure may have various structural forms, for example, the limiting structure may be blocking blocks disposed at both sides of the floating range of one of the first mounting block 1 and the second mounting block 2, or the first elastic sheet and the second elastic sheet may be replaced with elastic sheets having different elastic properties, and the guiding structure may be a structure of a sliding groove and a sliding rail.
Alternatively, in yet another embodiment, as shown in fig. 5-7, the elasticity measuring attachment comprises a first base block 21 and a second base block 22, wherein the first mounting block 1 is arranged on the first base block 21 and the second mounting block 2 is arranged on the second base block 22; the limiting structure comprises a limiting plate 6 and an adjusting piece 7, the adjusting piece 7 can be an adjusting bolt, one end of the limiting plate 6 is arranged on one base block of the first base block 21 and the second base block 22, and the other end of the limiting plate 6 extends to be above the other base block of the first base block 21 and the second base block 22 and keeps a gap with the other base block; the adjusting member 7 is arranged on the other end of the limit plate 6 and extends towards the other base block, the adjusting member 7 being capable of acting to adjust the distance between the adjusting member 7 and the other base block, one for connection with the sensor unit 8 and the other for connection with the gauge head 9, so as to define the elastic floating range of the other base block; the guide structure comprises a guide connecting column 10 and a guide hole on the other base block, the guide connecting column 10 passes through the other end of the limiting plate 6 and is movably matched in the guide hole, and when the other base block elastically floats, the guide connecting column 10 is matched in the guide hole in a sliding mode.
In a second aspect, the present application provides an elasticity measuring unit, including gauge head 9, sensor unit 8 and the elasticity measuring connecting piece that is used for contacting the surface to be measured, wherein, gauge head 9 passes through the elasticity measuring connecting piece and connects in sensor unit 8, and sensor unit 8 can drive gauge head 9 and remove in order to detect the displacement variation amount of gauge head 9 in the first direction along the first direction, and wherein, the elasticity measuring connecting piece can allow gauge head 9 to transversely float in the first direction elasticity.
Like this, because elasticity measurement connecting piece can allow the gauge head to transversely the first direction elasticity float, like this, when the gauge head contacted the work piece that awaits measuring, the gauge head will the elasticity float and with the surface that awaits measuring on the work piece that awaits measuring such as tooth's socket laminating to promote measuring repeatability and accuracy.
Further, in order to increase the application range of the measurement, the floating range of the measuring head 9 which elastically floats transversely to the first direction can be adjusted; and/or the measuring head 9 is a spherical measuring head which can be better attached to a surface to be measured, such as a tooth socket on a workpiece.
It will be appreciated that the resilient measuring link referred to in the second aspect may take a variety of forms, for example, it may be a spring, or it may be any of the resilient measuring links described above in relation to the first aspect, wherein one of the first and second mounting blocks 1, 2 is connected to the stylus 9 and the other of the first and second mounting blocks 1, 2 is connected to the sensor unit 8.
For example, the first base block 21 is connected to the sensor unit 8, and the second base block 22 is connected to the gauge head 9.
In a third aspect, the present application provides an elasticity measuring device comprising a plurality of elasticity measuring units of any of the second aspect above arranged circumferentially at intervals. In this way, as described above, the repeatability and accuracy of the measurement can be improved.
The preferred embodiments of the present application have been described in detail above, but the present application is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications all belong to the protection scope of the present application.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described in the present application.
In addition, any combination of the various embodiments of the present application can be made, and the same shall be considered as the disclosure of the present invention as long as the combination does not depart from the spirit of the present application.
Claims (10)
1. The elastic measurement connecting piece is characterized by comprising a first mounting block (1) and a second mounting block (2) which are arranged at intervals, and a first elastic sheet (11) and a second elastic sheet (12), wherein the first elastic sheet (11) is obliquely connected between the first mounting block (1) and the second mounting block (2), the second elastic sheet (12) is obliquely connected between the first mounting block (1) and the second mounting block (2), the first elastic sheet (11) and the second elastic sheet (12) are arranged in a crossed mode, and when one of the first mounting block (1) and the second mounting block (2) is stressed, the first elastic sheet (11) and the second elastic sheet (12) can elastically float around a crossed axis at the crossed position relative to the other one through the first elastic sheet (11) and the second elastic sheet (12).
2. The elasticity measuring and connecting piece according to claim 1, wherein mounting grooves are formed on the first mounting block (1) and the second mounting block (2), and two ends of the first elastic sheet (11) and the second elastic sheet (12) are respectively inserted into the corresponding mounting grooves.
3. An elasticity measuring attachment according to claim 1, wherein the first spring plate (11) is formed with a through opening (3), the second spring plate (12) passing through the through opening (3).
4. The elasticity measurement connection according to claim 3, wherein the first spring plate (11) is a square-frame type spring plate, wherein a hollow portion of the square-frame type spring plate is formed to pass through the opening (3);
the second elastic sheet (12) is an I-shaped elastic sheet, wherein a middle connecting arm (4) of the I-shaped elastic sheet penetrates through the hollow part of the square frame-shaped elastic sheet and keeps a gap with a frame arm of the hollow part;
the width of the connecting arm parts (5) at the two ends of the middle connecting arm of the I-shaped elastic sheet is the same as that of the square elastic sheet.
5. An elastic measuring coupling according to any of claims 1-4, characterized in that it comprises a limit structure for adjusting the floating range of the elastic floating;
and/or the presence of a gas in the gas,
the elasticity measuring connection comprises a guiding structure for guiding one of the first mounting block (1) and the second mounting block (2) to elastically float relative to the other.
6. The elasticity measuring connection according to claim 5, characterized in that it comprises a first base block (21) and a second base block (22), wherein the first mounting block (1) is arranged on the first base block (21) and the second mounting block (2) is arranged on the second base block (22);
wherein the limiting structure comprises a limiting plate (6) and an adjusting piece (7), wherein one end of the limiting plate (6) is arranged on one base block of the first base block (21) and the second base block (22), and the other end of the limiting plate (6) extends to be above and keeps a gap with the other base block of the first base block (21) and the second base block (22); the adjusting piece (7) is arranged at the other end of the limiting plate (6) and extends towards the other base block, the adjusting piece (7) can act to adjust the distance between the adjusting piece (7) and the other base block, wherein one base block is used for being connected with the sensor unit (8), and the other base block is used for being connected with the measuring head (9);
the guide structure comprises a guide connecting column (10) and a guide hole on the other base block, and the guide connecting column (10) penetrates through the other end of the limit plate (6) and is movably matched in the guide hole.
7. An elasticity measuring unit, characterized by comprising a probe head (9) for contacting a surface to be measured, a sensor unit (8) and an elasticity measuring attachment according to any one of claims 1 to 6,
the measuring head (9) is connected to the sensor unit (8) through the elastic measuring connecting piece, the sensor unit (8) can drive the measuring head (9) to move along a first direction so as to detect the displacement variation of the measuring head (9) in the first direction, and the elastic measuring connecting piece can allow the measuring head (9) to elastically float transversely to the first direction.
8. Elasticity measuring unit according to claim 7, characterized in that the floating range of the probe (9) elastically floating transversely to the first direction is adjustable; and/or the measuring head (9) is a spherical measuring head.
9. Elasticity measuring unit according to claim 7 or 8, characterized in that one of said first mounting block (1) and said second mounting block (2) is connected to said feeler (9) and the other of said first mounting block (1) and said second mounting block (2) is connected to said sensor unit (8).
10. An elasticity measuring device comprising a plurality of elasticity measuring units according to any one of claims 7 to 9 arranged circumferentially at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920744675.5U CN209910631U (en) | 2019-05-22 | 2019-05-22 | Elasticity measuring connector, elasticity measuring unit and elasticity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920744675.5U CN209910631U (en) | 2019-05-22 | 2019-05-22 | Elasticity measuring connector, elasticity measuring unit and elasticity measuring device |
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| Publication Number | Publication Date |
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| CN209910631U true CN209910631U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920744675.5U Active CN209910631U (en) | 2019-05-22 | 2019-05-22 | Elasticity measuring connector, elasticity measuring unit and elasticity measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207639A (en) * | 2019-05-22 | 2019-09-06 | 南京泰普森自动化设备有限公司 | Elasticity measurement connector, elasticity measurement unit and elasticity measuring device |
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2019
- 2019-05-22 CN CN201920744675.5U patent/CN209910631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207639A (en) * | 2019-05-22 | 2019-09-06 | 南京泰普森自动化设备有限公司 | Elasticity measurement connector, elasticity measurement unit and elasticity measuring device |
| CN110207639B (en) * | 2019-05-22 | 2024-07-16 | 南京泰普森自动化设备有限公司 | Elasticity measurement connecting piece, elasticity measurement unit and elasticity measurement device |
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