CN215510268U - Device for grinding and measuring disc parts - Google Patents
Device for grinding and measuring disc parts Download PDFInfo
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- CN215510268U CN215510268U CN202122206307.5U CN202122206307U CN215510268U CN 215510268 U CN215510268 U CN 215510268U CN 202122206307 U CN202122206307 U CN 202122206307U CN 215510268 U CN215510268 U CN 215510268U
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- hole
- inner hole
- grinding
- core rod
- mandrel
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Abstract
The utility model provides a device for grinding and measuring disc parts, which is used for fixing parts, wherein the parts comprise a first inner hole and a second inner hole, and the device comprises: the inner supporting type clamp can extend into the first inner hole and is provided with a third inner hole, and the third inner hole is communicated with the second inner hole; the aperture of the third inner hole is gradually reduced from the position close to the second inner hole to the position far away from the second inner hole; the core rod can stretch into the third inner hole from the second inner hole, the core rod comprises an adjusting portion, the adjusting portion comprises a cone portion matched with the third inner hole, and the cone portion gradually increases from being close to the third inner hole to being close to the second inner hole. The embodiment of the utility model has simple, compact, stable and reliable structure, and the structure can be used for measuring disc parts and can also be used for grinding the outer diameter and the end surface on a general grinding machine after the parts are clamped once.
Description
Technical Field
The utility model belongs to the technical field of clamps for machining, and particularly relates to a device for grinding and measuring disc parts.
Background
In the prior art, a machining mode for disk parts is to grind a part by adopting a machining process handle, and the process handle is removed after the grinding process is finished. On one hand, the method is easy to cause material waste, and the cost is increased due to the addition of a process for removing the process handle, so that the method is not beneficial to batch production; on the other hand, the removal of the process handle can affect the precision of the size of the ground part, when the part needs to be debugged, the part needs to be repeatedly disassembled and assembled in grinding and measurement, and the allowable deviation of the ground size of the part exceeding the standard is easily caused.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the utility model provides a device for grinding and measuring disc parts, which has a simple and reasonable structure, and can measure or grind the outer diameter and the end face of the disc part without a process handle. In order to achieve the technical purpose, the embodiment of the utility model adopts the technical scheme that:
the embodiment of the utility model provides a device for grinding and measuring a disc part, which is used for fixing the part so as to facilitate the grinding or measurement of the part, wherein the part is provided with a through hole which penetrates through the part; the through hole comprises a first inner hole and a second inner hole, and the first inner hole is communicated with the second inner hole; it is characterized by comprising:
the inner supporting type clamp can extend into the first inner hole and is provided with a third inner hole, and the third inner hole is communicated with the second inner hole; the aperture of the third inner hole is gradually reduced from the position close to the second inner hole to the position far away from the second inner hole;
the core rod can stretch into from the second hole in the third hole, the core rod includes the regulation portion, the regulation portion include with the pyramis of third hole looks adaptation, the pyramis is from being close to the third hole is to being close to the second hole crescent, works as the pyramis from the second hole stretches into when the third hole, the pyramis can compress tightly interior stay formula anchor clamps, interior stay formula anchor clamps take place deformation, compress tightly the part.
Further, still include the anchor clamps, include:
a body portion for connecting the parts;
the bulge part is arranged on the main body part and is used for connecting the internal support type clamp;
when the part is fixed, the internal support type clamp and the protruding part extend into the first inner hole, and the part abuts against the main body part.
Further, the clamp is also provided with a threaded hole;
the core rod also comprises a first core rod section, and the outer wall of the first core rod section is provided with an external thread;
after the part is fixed by the clamp, the threaded hole is communicated with the third inner hole and the first inner hole, the core rod is inserted into the through hole, the first core rod section enters the threaded hole, and the first core rod section can be in threaded connection with the threaded hole.
Further, the clamp is also provided with a fourth inner hole, and the fourth inner hole is communicated with the threaded hole;
the aperture of the fourth inner hole is larger than that of the threaded hole;
the mandrel further comprises a second mandrel segment between the first mandrel segment and the adjustment portion;
after the part is fixed by the clamp, the fourth inner hole is communicated with the third inner hole, the threaded hole and the first inner hole, the core rod is inserted into the through hole, the second core rod section enters the fourth inner hole, and the fourth inner hole has a guiding effect on the movement of the second core rod section.
Furthermore, the internal support type clamp also comprises a fifth inner hole, and the aperture of the fifth inner hole is equal to that of the fourth inner hole; after the part is fixed by the clamp, the fifth inner hole is communicated with the fourth inner hole, the third inner hole, the threaded hole and the first inner hole; the fourth bore and the fifth bore can jointly guide the second core rod segment.
Further, the mandrel further comprises:
the first positioning groove is arranged on the end face, away from the second core rod section, of the first core rod section;
and the second positioning groove is arranged on the end surface of the adjusting part deviating from the second mandrel section.
Further, the internal support type clamp comprises a plurality of movable walls which are arranged in a ring shape, and a third inner hole is formed between the plurality of movable walls; one end of any movable wall is connected with the convex part, and the other end of the movable wall can move towards the direction far away from the third inner hole.
The technical scheme provided by the embodiment of the utility model has the following beneficial effects:
1) the embodiment of the utility model has simple, compact, stable and reliable structure, and the structure can be used for measuring disc parts and can also be used for grinding the outer diameter and the end surface on a general grinding machine after the parts are clamped once.
2) According to the embodiment of the utility model, the core rod and the internal support type clamp are designed to generate internal support force on the part, so that the part is clamped; the manual adjustment of the internal supporting force of the part is realized through the thread structure; the positioning precision of the parts is improved through the double positioning structure of the first positioning hole and the second positioning hole.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The embodiment of the utility model provides a device for grinding and measuring a disc part, which is used for fixing a part 1 so as to facilitate grinding or measuring of the part 1, wherein the part 1 is provided with a through hole 10, and the through hole 10 penetrates through the part 1; the through hole 10 comprises a first inner hole 11 and a second inner hole 12, and the first inner hole 11 is communicated with the second inner hole 12; it is characterized by comprising: the inner supporting type clamp 2 can extend into the first inner hole 11, the inner supporting type clamp 2 is provided with a third inner hole 21, and the third inner hole 21 is communicated with the second inner hole 12; the aperture of the third inner hole 21 is gradually reduced from the position close to the second inner hole 12 to the position far away from the second inner hole 12; the core rod 3 can stretch into the third inner hole 21 from the second inner hole 12, the core rod 3 includes an adjusting portion 31, the adjusting portion 31 includes a tapered portion 310 adapted to the third inner hole 21, an outer diameter of the tapered portion 310 gradually increases from being close to the third inner hole to being close to the second inner hole, when the tapered portion 310 stretches into the third inner hole 21 from the second inner hole 12, the tapered portion 310 can press the inner supporting type clamp 2, and the inner supporting type clamp 2 deforms and presses the part 1.
In a specific embodiment, as shown in fig. 1, since the third inner hole 21 is communicated with the second inner hole 12, the adjusting portion 31 of the core rod 3 can move along the third inner hole 21 and the second inner hole 12; since the diameter of the third inner hole 21 gradually decreases from the position near the second inner hole 12 to the position far from the second inner hole 12, and the outer diameter of the tapered portion 310 of the adjustment portion 31 gradually increases from the position near the third inner hole to the position near the second inner hole, when the mandrel 3 is inserted into the internally supporting jig 2, the tapered part 310 is inserted into the third inner hole 21, and at this time, since the outer diameter of the tapered part 310 is changed, the tapered part 310 can generate a pressure on the inner supporting jig 2 in a radial direction from the center to the periphery, further compressing the inner supporting type clamp 2, further generating pressure on the part 1 from the center to the periphery along the radial direction by the inner supporting type clamp 2, the inner supporting type clamp 2 can press the part 1, and the core rod 3 can drive the inner supporting type clamp 2 to move when moving, so that the part 1 is driven to move; when the core rod 3 extends out of the inner supporting type clamp 2, the cone part 310 extends out of the third inner hole 21, at this time, the pressure of the cone part 310 on the inner supporting type clamp 2 disappears, further, the pressure of the inner supporting type clamp 2 on the part 1 disappears, and at this time, the part 1 and the core rod 3 can be separated.
Further, a clamp 4 is also included, including: a body portion 41 for connecting the parts 1; a protruding part 42 provided on the main body part 41 for connecting the inner supporting jig 2; when the part 1 is fixed, the internal supporting type clamp 2 and the protruding part 42 extend into the first inner hole 11, and the part 1 abuts against the main body part 41.
In a specific embodiment, as shown in fig. 1, by providing the clamp 4 on the left side of the part 1 and the inner supporting clamp 2, when the protrusion portion 42 of the clamp 4 and the inner supporting clamp 2 extend into the first inner hole 11, the part 1 can abut against the main body portion 41, and the position of the part 1 can be defined because a step line is formed between the protrusion portion 42 of the clamp 4 and the main body portion 41.
Further, the clamp 4 is also provided with a threaded hole 43; the core rod 3 further comprises a first core rod section 32, and the outer wall of the first core rod section 32 is provided with an external thread; after the part 1 is fixed by the fixture 4, the threaded hole 11 is communicated with the third inner hole 21 and the first inner hole 11, the core rod 3 is inserted into the through hole 10, the first core rod section 32 enters the threaded hole 43, and the first core rod section 32 can be in threaded connection with the threaded hole 43.
In a specific embodiment, as shown in fig. 1, the outer wall of the first mandrel segment 32 of the mandrel 3 is designed with an external thread matching with the threaded hole 43 of the fixture 4, so that the first mandrel segment 32 can be screwed into the threaded hole 43 or screwed out of the threaded hole 43, and further the mandrel 3 can be screwed into the fixture 4 with the threaded hole 43 or screwed out of the fixture 4 with the threaded hole 43; when the first mandrel segment 32 is screwed into the threaded hole 43, the mandrel 3 is screwed into the fixture 4 with the threaded hole 43, at this time, the tapered part 310 of the mandrel 3 enters the third inner hole 21, the mandrel 3 generates pressure on the inner supporting fixture 2, and then the inner supporting fixture 2 generates pressure on the part 1, and since the outer diameter of the tapered part 310 gradually increases from the position close to the third inner hole to the position close to the second inner hole, when the tapered part 310 enters the third inner hole 21, the pressure of the tapered part 310 on the inner supporting fixture 2 gradually increases, and then the pressure of the inner supporting fixture 2 on the part 1 gradually increases; when the first mandrel segment 32 is unscrewed from the threaded hole 43, the mandrel 3 may be unscrewed from the fixture 4 having the threaded hole 43, and then the tapered portion 310 of the mandrel 3 is unscrewed from the third inner hole 21, and then the pressure of the mandrel 3 on the inner supporting fixture 2 disappears, and then the pressure of the inner supporting fixture 2 on the part 1 disappears; accordingly, the first mandrel segment 32 is screwed into the threaded hole 43 or unscrewed from the threaded hole 43, so that the pressure of the tapered portion 310 of the mandrel 3 against the inner support type clamp 2 is adjusted, and further the pressure of the inner support type clamp 2 against the part 1 is adjusted, thereby realizing the adjustment of the pressure of the mandrel 3 against the part 1, that is, the adjustment of the inner support force, that is, the embodiment of the present invention can manually adjust the inner support force of the mandrel 3 against the part 1.
Further, the clamp 4 is further provided with a fourth inner hole 44, and the fourth inner hole 44 is communicated with the threaded hole 43; the diameter of the fourth inner hole 44 is larger than that of the threaded hole 43; the mandrel 3 further comprises a second mandrel segment 33, the second mandrel segment 33 being between the first mandrel segment 32 and the adjustment section 31; after the part 1 is fixed by the fixture 4, the fourth inner hole 44 is communicated with the third inner hole 21, the threaded hole 43 and the first inner hole 11, the core rod 3 is inserted into the through hole 10, the second core rod section 33 enters the fourth inner hole 44, and the fourth inner hole 44 has a guiding effect on the movement of the second core rod section 33.
In a specific embodiment, as shown in fig. 1, when the first mandrel segment 32 is screwed into the threaded hole 43 or out of the threaded hole 43, the mandrel 3 is driven to be screwed into the fixture 4 or out of the fixture 4, because the fourth inner hole 44 has a guiding effect on the movement of the second mandrel segment 33, the second mandrel segment 33 can move along the fourth inner hole 44, and because the aperture of the fourth inner hole 44 is larger than that of the threaded hole 43, the second mandrel segment 33 cannot enter the threaded hole 43, so that the second mandrel segment 33 is prevented from wearing the threaded hole 43, and the service life of the threaded hole 43 is ensured.
Further, the internal supporting type clamp 2 further comprises a fifth inner hole 22, the aperture of the fifth inner hole 22 is equal to the aperture of the fourth inner hole 44, and after the clamp 4 fixes the component 1, the fifth inner hole 22 is communicated with the fourth inner hole 44, the third inner hole 21, the threaded hole 43 and the first inner hole 11; the fourth bore 44 and the fifth bore 22 can collectively guide the second mandrel segment 33.
In a specific embodiment, as shown in fig. 1, since the fifth inner hole 22 is connected to the fourth inner hole 44, and the aperture of the fifth inner hole 22 is equal to the aperture of the fourth inner hole 44, the second mandrel segment 33 can move in the fifth inner hole 22 and the fourth inner hole 44, and the fourth inner hole 44 and the fifth inner hole 22 can jointly guide the second mandrel segment 33, so as to ensure that the mandrel 3 moves along the fourth inner hole 44 and the fifth inner hole 22 in the fixture 4, and further ensure the movement stability of the mandrel 3.
Further, the mandrel 3 further includes: a first positioning groove 34 provided on an end face of the first core rod segment 32 facing away from the second core rod segment 33; and the second positioning groove 35 is arranged on the end surface of the adjusting part 31 departing from the second mandrel section 33.
In a specific embodiment, as shown in fig. 1, since the end surface of the first mandrel segment 32 of the mandrel 3 away from the second mandrel segment 33 is provided with a first positioning groove 34, the position of the first mandrel segment 32 can be determined according to the first positioning groove 34, and since the end surface of the adjusting portion 31 of the mandrel 3 away from the second mandrel segment 33 is provided with a second positioning groove 35, the position of the adjusting portion 31 can be determined according to the second positioning groove 35; the determination of the position of the core rod 3 can be realized by determining the positions of the first core rod section 32 and the adjusting part 31 of the core rod 3, thereby facilitating the measurement of the grinding of the part 1; specifically, the first positioning groove 34 and the second positioning groove 35 are used for connecting with an external positioning member, so that when grinding the part 1, the positions of the first mandrel segment 32 and the adjusting part 31 of the mandrel 3 can be kept fixed, and thus the part 1 is kept fixed during grinding.
Further, the internal bracing type clamp 2 comprises a plurality of movable walls which are arranged in a ring shape, and the third inner hole 21 is formed between the plurality of movable walls; one end of any movable wall is connected with the convex part 42, and the other end can move towards the direction far away from the third inner hole 21.
In a specific embodiment, as shown in fig. 1, by designing a plurality of movable walls, one end of each movable wall is connected to the protruding portion 42, and the other end of each movable wall can move in a direction away from the third inner hole 21, so that the inner supporting fixture 2 can be deformed, specifically, when the mandrel 3 is screwed into the fixture 4, the tapered portion 310 enters the third inner hole 21, the tapered portion 310 generates pressure on the inner supporting fixture 2, and at this time, one end of each movable wall, which is away from the protruding portion 42, moves in a direction away from the third inner hole 21 under the pressure of the tapered portion 310, so that the inner supporting fixture 2 is deformed, and the inner supporting fixture 2 generates pressure on the part 1, so that the inner supporting fixture 2 compresses the part 1; optionally, since the inner supporting type clamp 2 is deformed during use and is easily subjected to fatigue damage after long-term use, the inner supporting type clamp 2 and the clamp 4 can be designed separately, and the service life of the clamp 4 can be prolonged by timely replacing the inner supporting type clamp 2; optionally, the inner supporting type clamp 2 and the clamp 4 may be fixedly connected to improve the stability of the clamp 4 and the inner supporting type clamp 2 in the using process, and the fixed connection may be welding.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. A device for grinding and measuring disc parts is used for fixing parts (1) to facilitate grinding or measuring of the parts (1), the parts (1) are provided with through holes (10), and the through holes (10) penetrate through the parts (1); the through hole (10) comprises a first inner hole (11) and a second inner hole (12), and the first inner hole (11) is communicated with the second inner hole (12); it is characterized by comprising:
the inner supporting type clamp (2) can extend into the first inner hole (11), the inner supporting type clamp (2) is provided with a third inner hole (21), and the third inner hole (21) is communicated with the second inner hole (12); the aperture of the third inner hole (21) is gradually reduced from the position close to the second inner hole (12) to the position far away from the second inner hole (12);
the core rod (3), can certainly the second hole (12) stretch into in third hole (21), core rod (3) are including regulation portion (31), regulation portion (31) include with pyramis (310) of third hole (21) looks adaptation, pyramis (310) are close to certainly the third hole is to being close to the second hole crescent, work as pyramis (310) certainly second hole (12) stretch into when third hole (21), pyramis (310) can compress tightly interior stay formula anchor clamps (2), deformation takes place for interior stay formula anchor clamps (2) and compresses tightly part (1).
2. The apparatus for grinding and measuring a disk-like member as claimed in claim 1,
still include anchor clamps (4), include:
a body portion (41) for connecting the parts (1);
a protruding part (42) arranged on the main body part (41) and used for connecting the internal support type clamp (2);
when the part (1) is fixed, the internal support type clamp (2) and the protruding part (42) extend into the first inner hole (11), and the part (1) abuts against the main body part (41).
3. The apparatus for grinding and measuring a disk-like member as claimed in claim 2,
the clamp (4) is also provided with a threaded hole (43);
the core rod (3) further comprises a first core rod section (32), and the outer wall of the first core rod section (32) is provided with an external thread;
after part (1) is fixed to anchor clamps (4), screw hole (43) with third hole (21), first hole (11) intercommunication, plug (3) are inserted through hole (10), first plug section (32) get into screw hole (43), first plug section (32) can with screw hole (43) threaded connection.
4. The apparatus for grinding and measuring a disk-like member as claimed in claim 3,
the clamp (4) is also provided with a fourth inner hole (44), and the fourth inner hole (44) is communicated with the threaded hole (43);
the diameter of the fourth inner hole (44) is larger than that of the threaded hole (43);
the mandrel (3) further comprising a second mandrel segment (33), the second mandrel segment (33) being between the first mandrel segment (32) and the adjustment section (31);
after part (1) is fixed to clamp (4), fourth hole (44) with third hole (21), screw hole (43), first hole (11) intercommunication, plug (3) insert through hole (10), second plug section (33) get into fourth hole (44), fourth hole (44) to the motion of second plug section (33) has the guide effect.
5. The apparatus for grinding and measuring a disk-like member as claimed in claim 4,
the internal support type clamp (2) further comprises a fifth inner hole (22), and the aperture of the fifth inner hole (22) is equal to that of the fourth inner hole (44);
after the part (1) is fixed by the clamp (4), the fifth inner hole (22) is communicated with the fourth inner hole (44), the third inner hole (21), the threaded hole (43) and the first inner hole (11);
the fourth bore (44) and the fifth bore (22) are configured to guide the second mandrel segment (33) together.
6. The apparatus for grinding and measuring a disk-like member as claimed in claim 5,
the mandrel (3) further comprises:
a first positioning groove (34) arranged on the end face of the first core rod section (32) facing away from the second core rod section (33);
and the second positioning groove (35) is arranged on the end surface of the adjusting part (31) deviating from the second mandrel section (33).
7. The apparatus for grinding and measuring a disk-like member as claimed in claim 6,
the inner supporting type clamp (2) comprises a plurality of movable walls which are arranged in a ring shape, and a third inner hole (21) is formed among the plurality of movable walls; one end of any movable wall is connected with the convex part (42), and the other end of the movable wall can move towards the direction far away from the third inner hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122206307.5U CN215510268U (en) | 2021-09-13 | 2021-09-13 | Device for grinding and measuring disc parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122206307.5U CN215510268U (en) | 2021-09-13 | 2021-09-13 | Device for grinding and measuring disc parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215510268U true CN215510268U (en) | 2022-01-14 |
Family
ID=79796806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122206307.5U Active CN215510268U (en) | 2021-09-13 | 2021-09-13 | Device for grinding and measuring disc parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215510268U (en) |
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2021
- 2021-09-13 CN CN202122206307.5U patent/CN215510268U/en active Active
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