CN210346537U - Clamping device and deflection instrument - Google Patents
Clamping device and deflection instrument Download PDFInfo
- Publication number
- CN210346537U CN210346537U CN201921742241.8U CN201921742241U CN210346537U CN 210346537 U CN210346537 U CN 210346537U CN 201921742241 U CN201921742241 U CN 201921742241U CN 210346537 U CN210346537 U CN 210346537U
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- clamping
- thimble
- clamp shell
- connecting rod
- section
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Abstract
The utility model belongs to the technical field of machine part detects technique and specifically relates to a clamping device and yaw appearance are related to. A clamping device comprises a clamp shell, wherein an opening is formed in one side of the clamp shell; the inner wall of the clamp shell is provided with a clamping assembly which is arranged in a centrosymmetric manner relative to the axis of the clamp shell; the clamping assembly comprises a clamping spring and a pressing block; one end of the clamping spring is connected with the inner wall of the clamp shell, and the other end of the clamping spring is connected with the pressing block; the pressing block comprises a pressing section and a guiding section; the section level that compresses tightly sets up, and the guide segment is close to the open end of anchor clamps casing, and the guide segment is to keeping away from the direction slope in anchor clamps casing axle center. A deflection instrument comprises a base, wherein a slide rail is arranged on the base, two thimble frames which slide relatively are arranged on the slide rail, and a connecting rod is rotatably arranged on the thimble frames; the clamping device is arranged on the connecting rod. The utility model provides a pair of clamping device and beat appearance has optimized the tight structure of clamp of part, guarantees the stability of part clamping.
Description
Technical Field
The utility model belongs to the technical field of machine part detects technique and specifically relates to a clamping device and yaw appearance are related to.
Background
The deflection instrument is mainly used for measuring the radial run-out error of the shaft parts, the shaft parts are positioned by two centers, the measured parts are rotated, and the measuring head directly measures the radial run-out error of the parts in the radial direction of the measured parts. When the existing deflection instrument is used for detecting a part, the part is clamped by a tip and then slowly rotates, the part is easy to generate an indentation to influence the precision, the clamping effect is poor, the part is easy to drop from the top, and therefore the part needs to be detected when being broken.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a clamping device and beat appearance have optimized the tight structure of clamp of part. The stability of part clamping is guaranteed.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a clamping device comprises a clamp shell, wherein an opening is formed in one side of the clamp shell;
the inner wall of the clamp shell is provided with clamping components which are arranged in a centrosymmetric manner relative to the axis of the clamp shell;
the clamping assembly comprises a clamping spring and a pressing block; one end of the clamping spring is connected with the inner wall of the clamp shell, and the other end of the clamping spring is connected with the pressing block; the pressing block comprises a pressing section and a guiding section;
the pressing section is horizontally arranged, the guide section is close to the opening end of the clamp shell, and the guide section inclines towards the direction far away from the axle center of the clamp shell.
By adopting the technical scheme, one side of the clamp shell is provided with the opening for installing the clamping assembly, and the clamping assembly is arranged in a central symmetry mode relative to the axis of the clamp shell, so that the central symmetry of the clamping force borne by the shaft part is ensured, and the coaxiality of the shaft part and the clamp shell is further ensured; the guide section of compact heap is to keeping away from the direction slope of anchor clamps casing axle center, is favorable to guiding the installation of inserting of axle type part, compresses tightly the section and is used for pressing from both sides tightly, guarantees the stability of axle type part clamping.
The utility model discloses further set up to: the clamp shell is a cylinder;
the clamping assemblies are arranged in four groups, and one group of clamping assemblies is arranged at every 90 degrees along the inner wall of the clamp shell.
By adopting the technical scheme, the central symmetry of the clamping force borne by the shaft part is ensured, and the coaxiality of the shaft part and the clamp shell is further ensured.
The utility model discloses further set up to: the joint of the pressing section and the guiding section is smoothly arranged.
Through adopting above-mentioned technical scheme, when the guide axle type part was inserted, axle type part inserted and finally entered into the section that compresses tightly along the guide section of slope, compressed tightly the level and smooth setting of section and guide section junction, can reduce the wearing and tearing of axle type part tip, the clamping of the axle type part of being convenient for.
The utility model discloses further set up to: the surface of the pressing section, which is far away from the clamping spring, is provided with anti-skid grains.
By adopting the technical scheme, the stability of shaft part clamping is ensured, and the measurement of radial runout caused by axial movement of the part is prevented.
The utility model also provides a deflection instrument, which comprises a base, wherein the base is provided with a slide rail, the slide rail is provided with two thimble frames which slide relatively, and the thimble frames are rotatably provided with connecting rods;
the clamping device is arranged on the connecting rod.
Through adopting above-mentioned technical scheme, provide a beat appearance, install above-mentioned clamping device, improve the clamping stability of axle type part on the beat appearance.
The utility model discloses further set up to: the end surface of one end of the connecting rod, which extends out of the thimble frame, is provided with a thimble mounting groove;
the thimble mounting groove is provided with a plurality of with the axle center isogonism of connecting rod.
By adopting the technical scheme, the ejector pin is arranged on the connecting rod on the ejector pin frame.
The utility model discloses further set up to: a thimble is inserted in the thimble mounting groove;
the thimble mounting groove is positioned in the connecting rod and is communicated, and the thimble is rotatably mounted in the thimble mounting groove;
and a return spring is arranged between the thimble and the connecting rod.
By adopting the technical scheme, the ejector pin is arranged on the connecting rod, the reset spring applies axial force to the ejector pin, and then the ejector pin applies axial force to the shaft part, so that the axial stability of the part is ensured.
The utility model discloses further set up to: the sliding rail is provided with a meter rack in a sliding mode, and the meter rack is provided with a dial indicator.
By adopting the technical scheme, the dial indicator directly measures the radial runout error of the part in the radial direction of the part to be measured.
To sum up, the utility model discloses a beneficial technological effect does:
1. one side of the clamp shell is provided with an opening for installing a clamping assembly, the clamping assembly is arranged in a central symmetry mode about the axis of the clamp shell, the clamping force borne by the shaft part is guaranteed to be in central symmetry, and therefore the coaxiality of the shaft part and the clamp shell is guaranteed; the guide section of compact heap is to keeping away from the direction slope of anchor clamps casing axle center, is favorable to guiding the installation of inserting of axle type part, compresses tightly the section and is used for pressing from both sides tightly, guarantees the stability of axle type part clamping.
2. Compress tightly the level and smooth setting of section and guide section junction, when guide axle type part inserts, axle type part inserts and finally enters into along the guide section of slope and compresses tightly the section, compresses tightly the level and smooth setting of section and guide section junction, can reduce the wearing and tearing of axle type part tip, the clamping of the axle type part of being convenient for.
3. The surface of the pressing section far away from the clamping spring is provided with anti-skidding lines, so that the stability of clamping of shaft parts is guaranteed, and the measurement of radial runout caused by axial movement of the parts is prevented.
Drawings
Fig. 1 is a schematic structural diagram of a deflection instrument provided by the present invention;
FIG. 2 is an enlarged view I of a portion of FIG. 1;
fig. 3 is a view in the direction P of fig. 2.
In the figure, 101, a base; 102. a slide rail; 103. a thimble frame; 104. locking the handle; 105. a connecting rod; 106. a thimble mounting groove; 201. a clamp housing; 202. a thimble; 203. a return spring; 204. a clamping spring; 205. a compression block; 301. a watch frame; 302. and (4) a dial indicator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a deflection instrument, including base 101, slide rail 102 has been seted up along length direction at the top of base 101, installs two relative slip's thimble frame 103 on the slide rail 102, thimble frame 103's bottom and slide rail 102 looks adaptation. A connecting rod 105 is rotatably arranged on the thimble frame 103, the connecting rod 105 extends out of the thimble frame 103, one end of the connecting rod 105 is connected with a rotating handle, the connecting rod 105 is convenient to rotate, and a locking handle is arranged on the thimble frame 103 and used for locking the connecting rod 105; the other end of the connecting rod 105 is provided with a clamping device.
Referring to fig. 2 and 3, the end surface of the connecting rod 105 on which the clamping device is mounted is provided with a plurality of thimble mounting grooves 106, the thimble mounting grooves 106 are arranged at equal angles with respect to the axis of the connecting rod 105, and the portions of the thimble mounting grooves 106 located in the connecting rod 105 are communicated with each other. A thimble 202 is inserted into the thimble mounting groove 106, the bottom of the thimble 202 is matched with the thimble mounting groove 106, a groove is formed in the bottom of the thimble 202, the thimble 202 rotates after being inserted into the thimble mounting groove 106 to ensure that the thimble 202 is axially limited and mounted, a return spring 203 is mounted in the groove in the bottom of the thimble 202, the return spring 203 applies axial force to the thimble 202, and then the thimble 202 applies axial force to shaft parts to ensure the axial stability of the parts.
Referring to fig. 2 and 3, a clamping device includes a clamp housing 201, the clamp housing 201 is a cylinder, one side of the clamp housing 201 is provided with an opening for installing clamping components, the inner wall of the clamp housing 201 is provided with four groups of clamping components, a group of clamping components is arranged at every 90 ° along the inner wall of the clamp housing 201, the clamping components are arranged in a central symmetry manner with respect to the axis of the clamp housing 201, so as to ensure the central symmetry of the clamping force applied to the shaft part, and further ensure the coaxiality of the shaft part and the clamp housing 201. The clamping assembly comprises a clamping spring 204 and a pressing block 205, one end of the clamping spring 204 is connected with the inner wall of the clamp shell 201, the other end of the clamping spring 204 is connected with the pressing block 205, the pressing block 205 comprises a pressing section and a guiding section, the pressing section is horizontally arranged, and anti-skid grains are arranged on the surface of the pressing section, which is far away from the clamping spring 204, so that the stability of clamping shaft parts is ensured, and the axial movement of the parts is prevented from influencing the measurement of radial run-out degree; the guide section is close to the opening end of the clamp shell 201, the guide section inclines towards the direction far away from the axis of the clamp shell 201, so that the insertion and installation of the shaft parts are guided, and the pressing section is used for clamping, so that the clamping stability of the shaft parts is ensured; compress tightly section and guide section junction smooth transition, when guide axle type part inserts, axle type part inserts and finally enters into the section that compresses tightly along the guide section of slope, can reduce the wearing and tearing of axle type part tip, the clamping of the axle type part of being convenient for.
Referring to fig. 1, a watch holder 301 is slidably disposed on the slide rail 102, and a dial indicator 302 is mounted on the watch holder 301. After the shaft parts are clamped, the rotating handle is slowly rotated, the connecting rod 105 rotates to drive the parts to rotate, the dial indicator 302 obtains the surface of the part against which the gauge outfit abuts, and the radial runout error of the parts is directly measured in the radial direction of the measured parts.
The implementation principle of the embodiment is as follows: an opening is formed in one side of the clamp shell 201 and used for installing a clamping assembly, the clamping assembly is arranged in a central symmetry mode about the axis of the clamp shell 201, the clamping force borne by the shaft part is guaranteed to be in central symmetry, and therefore the coaxiality of the shaft part and the clamp shell 201 is guaranteed; the guide section of the pressing block 205 inclines towards the direction far away from the axis of the clamp shell 201, so that the shaft part can be guided to be inserted and installed, and the pressing section is used for clamping, so that the clamping stability of the shaft part is ensured; the connecting part of the pressing section and the guide section is smoothly arranged, when the shaft part is guided to be inserted, the shaft part is inserted along the inclined guide section and finally enters the pressing section, and the connecting part of the pressing section and the guide section is smoothly arranged, so that the abrasion of the end part of the shaft part can be reduced, and the shaft part can be conveniently clamped; the surface of the pressing section far away from the clamping spring 204 is provided with anti-skid lines, so that the stability of clamping of shaft parts is ensured, and the measurement of the radial runout degree is prevented from being influenced by the axial movement of the parts.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The clamping device is characterized in that: the clamp comprises a clamp shell (201), wherein one side of the clamp shell (201) is provided with an opening;
the inner wall of the clamp shell (201) is provided with clamping components which are arranged in a centrosymmetric manner relative to the axis of the clamp shell (201);
the clamping assembly comprises a clamping spring (204) and a pressing block (205); one end of the clamping spring (204) is connected with the inner wall of the clamp shell (201), and the other end of the clamping spring is connected with the pressing block (205); the pressing block (205) comprises a pressing section and a guiding section;
the pressing section is horizontally arranged, the guide section is close to the opening end of the clamp shell (201), and the guide section inclines towards the direction far away from the axis of the clamp shell (201).
2. A clamping apparatus according to claim 1, wherein: the clamp shell (201) is a cylinder;
the clamping assemblies are arranged in four groups, and one group of the clamping assemblies is arranged at every 90 degrees along the inner wall of the clamp shell (201).
3. A clamping apparatus according to claim 1, wherein: the joint of the pressing section and the guiding section is smoothly arranged.
4. A clamping apparatus according to claim 1, wherein: the surface of the pressing section, which is far away from the clamping spring (204), is provided with anti-skid grains.
5. A deflection instrument is characterized in that: the device comprises a base (101), wherein a slide rail (102) is arranged on the base (101), two thimble frames (103) which slide relatively are arranged on the slide rail (102), and a connecting rod (105) is rotatably arranged on each thimble frame (103);
the clamping device of any one of the preceding claims 1 to 4 mounted on the connecting rod (105).
6. A yaw rate apparatus according to claim 5, characterized in that: a thimble mounting groove (106) is formed in the end face, extending out of one end of the thimble frame (103), of the connecting rod (105);
the thimble mounting grooves (106) are arranged in a plurality of equal angles with the axis of the connecting rod (105).
7. A yaw rate apparatus according to claim 6, wherein: a thimble (202) is inserted in the thimble mounting groove (106);
the thimble mounting groove (106) is positioned in the connecting rod (105) and is communicated with the thimble mounting groove (106), and the thimble (202) is rotatably mounted in the thimble mounting groove (106);
and a return spring (203) is arranged between the thimble (202) and the connecting rod (105).
8. A yaw rate apparatus according to claim 5, characterized in that: the sliding type dial indicator is characterized in that a dial indicator frame (301) is arranged on the sliding rail (102) in a sliding mode, and a dial indicator (302) is installed on the dial indicator frame (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742241.8U CN210346537U (en) | 2019-10-16 | 2019-10-16 | Clamping device and deflection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742241.8U CN210346537U (en) | 2019-10-16 | 2019-10-16 | Clamping device and deflection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210346537U true CN210346537U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921742241.8U Active CN210346537U (en) | 2019-10-16 | 2019-10-16 | Clamping device and deflection instrument |
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| Country | Link |
|---|---|
| CN (1) | CN210346537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536900A (en) * | 2020-05-06 | 2020-08-14 | 益阳市科惠汽配有限公司 | Roundness detection equipment based on images |
-
2019
- 2019-10-16 CN CN201921742241.8U patent/CN210346537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536900A (en) * | 2020-05-06 | 2020-08-14 | 益阳市科惠汽配有限公司 | Roundness detection equipment based on images |
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