CN213714187U - Workpiece roundness detection experimental device - Google Patents
Workpiece roundness detection experimental device Download PDFInfo
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- CN213714187U CN213714187U CN202120103629.4U CN202120103629U CN213714187U CN 213714187 U CN213714187 U CN 213714187U CN 202120103629 U CN202120103629 U CN 202120103629U CN 213714187 U CN213714187 U CN 213714187U
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- roundness
- roundness detection
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Abstract
The utility model discloses a work piece roundness detection experimental apparatus belongs to work piece roundness detection experimental facilities field. The utility model provides a work piece roundness detection experimental apparatus, includes the mounting bracket, the mounting bracket bottom is fixed with the support frame, support frame bilateral symmetry is equipped with clamping mechanism, clamping mechanism installs on the curb plate, the curb plate is fixed in the mounting bracket both sides, roundness detection device is installed to the mounting bracket upper end. The device can detect the work piece hole circularity in a flexible way and convert it to the scale and show, has more intuition nature and portability, measures the aperture scope moreover and is wider than general device.
Description
Technical Field
The utility model relates to a work piece roundness detection experimental facilities field especially relates to a work piece roundness detection experimental apparatus.
Background
The roundness refers to the degree that the cross section of the workpiece is close to a theoretical circle, when the difference between the maximum radius and the minimum radius is 0, the roundness is 0, and the measuring tool is a roundness meter and is used for measuring the roundness of the annular workpiece.
The commonly used roundness detection method is a rotating shaft method, in which a circular track (ideal circle) formed by one rotation of a shaft in a precision shaft system is compared with a circle to be detected, the difference value between the two circle radiuses is converted into an electric signal by an electric length sensor, and a roundness error is indicated by a display instrument after circuit processing and electronic computer calculation, or a contour graph of the circle to be detected is recorded by a recorder. The rotary shaft method has two forms of sensor rotation and workbench rotation. The former is suitable for high-precision roundness measurement, and the latter is often used for measuring small-sized workpieces. The roundness measuring tool designed by the swivel axis method is called a roundness measuring instrument.
The general factory is used for the detection test device of work piece circularity, and the internal diameter detection has the limitation only to the interior excircle of the specific product of targeted detection, and precision is also not enough, can not detect the work piece hole circularity in a flexible way and convert it to the scale and show, does not have more intuition and portability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at pointing out the detection test device that general mill was used for work piece circularity among the solution background art, only the interior excircle of the specific product of pertinence detection, the internal diameter detection has more the limitation, and precision is also not enough, can not detect work piece hole circularity in a flexible way and convert it to the scale and show, does not have more intuition and portability's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a work piece roundness detection experimental apparatus, includes the mounting bracket, the mounting bracket bottom is fixed with the support frame, support frame bilateral symmetry is equipped with clamping mechanism, clamping mechanism installs on the curb plate, the curb plate is fixed in the mounting bracket both sides, roundness detection device is installed to the mounting bracket upper end.
Preferably, the roundness detection device includes the cylinder, sliding connection has the slide bar in the cylinder, the cover has the spring on the slide bar, spring upper end fixed connection baffle, the cylinder right side is connected with the graduation apparatus, the slide bar bottom is equipped with articulated seat, articulated seat articulates the connecting block, the joint block lower extreme connection card needle.
Preferably, the inside right side of cylinder is opened there is one section rectangular channel, sliding connection has three hornblocks in the rectangular channel, three hornblock right angle long sides are fixed in the slide bar right side.
Preferably, the dial gauge comprises a dial plate, a pointer scale mark combination is arranged on the dial plate, and the left end of the dial plate is connected with the telescopic pneumatic part.
Preferably, the clamping needle comprises a bending steel bar, the vertical end of the bending steel bar is connected with a rotating handle, the rotating handle is rotatably connected to a sharp corner at the lower end of the connecting block, and a pre-tightening knob is arranged at the joint of the rotating handle and the connecting block.
Compared with the prior art, the utility model provides a work piece roundness detection experimental apparatus possesses following beneficial effect:
1. this work piece roundness detection experimental apparatus places the work piece on the support frame earlier, waits for the clamping mechanism on both sides to press from both sides tightly the back with it, and roundness detection device carries out the roundness detection to the inside round hole of work piece afterwards.
2. This work piece roundness detection experimental apparatus, roundness detection device circularity principle: manual or electronic, make the baffle rotate, roundness detection device is along with rotating then, card needle bottom supports and slides at work piece round hole inner wall then, when undulation appears in work piece round hole inner wall, the card needle atress is transmitted to on the fixed connecting block with it, connecting block and the articulated position of slide bar take place to rotate then, cylinder bottom end face A and connecting block up end B no longer laminate then, it is poor to produce the inclination, then the slide bar is dragged downwards, three hornblocks glide then, the shrink of flexible pneumatic component activity post then, flexible pneumatic component produces pressure and reacts out through dial plate and pointer scale mark combination.
3. According to the experimental device for detecting the roundness of the workpiece, the pre-tightening knob is used for adjusting the angle of the rotating handle, so that the bent steel bar can extend outwards, and the aperture range which can be measured is larger; the elastic force of the spring acts on the baffle plate, so that the sliding rod can slide upwards to restore the original position.
The utility model discloses in, the device can detect work piece hole circularity in a flexible way and convert it to the scale and show, has more intuition nature and portability, measures the aperture scope moreover and than in general device wider.
Drawings
Fig. 1 is a structural diagram of an experimental apparatus for detecting roundness of a workpiece according to the present invention;
fig. 2 is a sectional view of the roundness detection apparatus.
In the figure: 1. a mounting frame; 2. a support frame; 3. a workpiece; 4. a clamping mechanism; 5. a side plate; 6. a roundness detection device; 61. a cylinder; 611. a rectangular groove; 612. a triangular block; 62. a slide bar; 63. a spring; 64. a baffle plate; 65. a dial gauge; 651. a dial plate; 652. combining pointer scale marks; 653. a telescopic pneumatic part; 66. a hinged seat; 67. connecting blocks; 68. clamping a needle; 681. bending the steel bar; 682. turning a handle; 683. pre-tightening the knob; A. a bottom end face of the column; B. the upper end surface of the connecting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1 and 2, the workpiece roundness detection experimental device comprises an installation frame 1, a support frame 2 is fixed at the bottom end of the installation frame 1, clamping mechanisms 4 are symmetrically arranged on two sides of the support frame 2, the clamping mechanisms 4 are installed on side plates 5, the side plates 5 are fixed on two sides of the installation frame 1, and a roundness detection device 6 is installed at the upper end of the installation frame 1.
A section of rectangular groove 611 is formed in the right side of the inner portion of the column body 61, a triangular block 612 is connected in the rectangular groove 611 in a sliding mode, and the right-angled long side of the triangular block 612 is fixed to the right side of the sliding rod 62.
The dial 65 comprises a dial 651, a pointer scale mark combination 652 is arranged on the dial 651, and a telescopic pneumatic piece 653 is connected to the left end of the dial 651.
The clamping pin 68 comprises a bent steel bar 681, the vertical end of the bent steel bar 681 is connected with a rotating handle 682, the rotating handle 682 is rotatably connected to a sharp corner at the lower end of the connecting block 67, and a pre-tightening knob 683 is arranged at the connection position of the rotating handle 682 and the connecting block 67.
The utility model discloses an in the embodiment, place work piece 3 on support frame 2 earlier, wait for the clamping mechanism 4 on both sides to press from both sides it tightly after, roundness detection device 6 carries out roundness detection to the inside round hole of work piece 3 afterwards.
Roundness principle of the roundness detection device 6: manual or electronic, make baffle 64 rotate, roundness detection device 6 is along with rotating then, card needle 68 bottom supports and slides at 3 round hole inner walls of work piece, when the 3 round hole inner walls of work piece appear undulant, card needle 68 atress is transmitted to on the fixed connecting block 67 with it, then connecting block 67 and the articulated position of slide bar 62 take place to rotate, then cylinder bottom end face A and connecting block up end B no longer laminate, produce the inclination difference, slide bar 62 is dragged downwards then, triangular block 612 glides, then flexible pneumatic piece 653 activity post shrink, flexible pneumatic piece 653 produces pressure and reacts out through dial 651 and pointer scale mark combination 652.
The pre-tightening knob 683 is used for adjusting the angle of the rotating handle 682, so that the bent steel bar 681 can extend outwards, and the aperture range which can be measured is larger; the spring 63 elastically acts on the stopper 64 to slide the slide rod 62 to its original position.
The utility model discloses in, the device can detect work piece hole circularity in a flexible way and convert it to the scale and show, has more intuition nature and portability, measures the aperture scope moreover and than in general device wider.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a work piece roundness detection experimental apparatus, includes mounting bracket (1), its characterized in that, mounting bracket (1) bottom mounting has support frame (2), support frame (2) bilateral symmetry is equipped with clamping mechanism (4), clamping mechanism (4) are installed on curb plate (5), curb plate (5) are fixed in mounting bracket (1) both sides, roundness detection device (6) are installed to mounting bracket (1) upper end.
2. The workpiece roundness detection experiment device according to claim 1, wherein the roundness detection device (6) comprises a cylinder (61), a sliding rod (62) is slidably connected in the cylinder (61), a spring (63) is sleeved on the sliding rod (62), a baffle (64) is fixedly connected to the upper end of the spring (63), a dial gauge (65) is connected to the right side of the cylinder (61), a hinged seat (66) is arranged at the bottom end of the sliding rod (62), the hinged seat (66) is hinged to a connecting block (67), and a clamping pin (68) is connected to the lower end of the connecting block (67).
3. The experimental device for detecting the roundness of the workpiece according to claim 2, wherein a rectangular groove (611) is formed in the right side inside the cylinder (61), a triangular block (612) is connected in the rectangular groove (611) in a sliding mode, and the right-angled long side of the triangular block (612) is fixed to the right side of the sliding rod (62).
4. The workpiece roundness detection experiment device according to claim 2, wherein the dial (65) comprises a dial plate (651), a pointer scale mark combination (652) is arranged on the dial plate (651), and a telescopic pneumatic piece (653) is connected to the left end of the dial plate (651).
5. The experimental device for detecting the roundness of the workpiece according to claim 2, wherein the clamping pin (68) comprises a bent steel bar (681), the vertical end of the bent steel bar (681) is connected with a rotating handle (682), the rotating handle (682) is rotatably connected to the sharp corner at the lower end of the connecting block (67), and a pre-tightening knob (683) is arranged at the connection position of the rotating handle (682) and the connecting block (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120103629.4U CN213714187U (en) | 2021-01-14 | 2021-01-14 | Workpiece roundness detection experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120103629.4U CN213714187U (en) | 2021-01-14 | 2021-01-14 | Workpiece roundness detection experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213714187U true CN213714187U (en) | 2021-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120103629.4U Active CN213714187U (en) | 2021-01-14 | 2021-01-14 | Workpiece roundness detection experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213714187U (en) |
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2021
- 2021-01-14 CN CN202120103629.4U patent/CN213714187U/en active Active
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