CN210346650U - Concentricity inspection frock - Google Patents
Concentricity inspection frock Download PDFInfo
- Publication number
- CN210346650U CN210346650U CN201921089391.3U CN201921089391U CN210346650U CN 210346650 U CN210346650 U CN 210346650U CN 201921089391 U CN201921089391 U CN 201921089391U CN 210346650 U CN210346650 U CN 210346650U
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- positioning
- base
- positioning seat
- seat
- pressing plate
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Abstract
The utility model discloses a concentricity inspection frock, including the base, evenly distributed has a plurality of mounting holes on the base, from left to right is equipped with the mounting groove on the base. The base is also provided with two positioning seats, the positioning seats are provided with limiting seats, and a gap installation positioning center is arranged between the positioning seats and the limiting seats, so that the positioning center rotates in the gap. The side of the positioning seat is provided with a fixing shoulder which is matched with the pressing plate, the threaded column and the bolt to fix the positioning seat on the base. The utility model discloses connect reliably, it is convenient to adjust.
Description
Technical Field
The utility model relates to a frock clamp field especially relates to a concentricity inspection frock.
Background
Concentricity is an important technical index for evaluating cylindrical workpieces, and errors of concentricity directly influence the assembly and use of the workpieces.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model discloses a technical scheme as follows:
the concentricity testing tool comprises a base, wherein a plurality of mounting holes are uniformly distributed in the base, and mounting grooves are formed in the base from left to right.
The base is further provided with two positioning seats, a positioning groove is formed in the middle of the bottom of each positioning seat, and the width of each positioning groove is the same as that of each mounting groove.
Two opposite side surfaces of the positioning seat are provided with inward sunken rectangular grooves at the same height to form fixing shoulders.
The middle part of the top surface of the positioning seat is provided with an inverted triangle depression, and the bottom of the depression, namely the tip of the triangle, is provided with a rectangular groove.
The positioning device is characterized in that a limiting seat is arranged above the positioning seat, a recess is formed in the middle of the bottom surface of the limiting seat and matched with the recess of the positioning seat to form a gap for mounting the positioning tip, and the positioning tip can roll in the gap without radial displacement. The limiting seat is fixed on the positioning seat through a screw.
One section of the positioning center arranged between the positioning seat and the limiting seat is cylindrical, and one surface of the two positioning centers opposite to each other is conical and is used for supporting the detected piece.
The fixing shoulder of the positioning seat is used for fixing the positioning seat on the base, a pressing plate is arranged on the base, a threaded through hole is formed in the middle of the pressing plate and matched with the threaded column and the bolt, the pressing plate is fixed on the base, and one side of the pressing plate is in contact with the fixing shoulder, so that the positioning seat is fixed on the base.
Furthermore, a flat key is arranged in a gap formed by the positioning groove and the mounting groove.
Furthermore, one side of the pressing plate is in contact with the fixing shoulder, the other side of the pressing plate is provided with a threaded hole, a screw is arranged to be matched with the threaded hole, the whole screw is arranged below the pressing plate, one end of the screw is in contact with the base, and the other end of the screw is screwed into the threaded hole of the pressing plate, so that the two ends of the pressing plate are balanced in stress.
The utility model has the advantages that:
(1) the plurality of mounting holes on the base enable parts such as the positioning seat to adjust the distance conveniently according to the length of the workpiece.
(2) A flat key is additionally arranged between the positioning seat and the base to share the stress of a part of pressing plate and the threaded column, so that the reliability and the stability of connection are improved.
(3) The screw below the pressing plate enables an interaction force to be formed between the pressing plate and the positioning seat, the interaction force between the other side of the pressing plate and the positioning seat is balanced, and the whole pressing plate is uniformly stressed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic structural view of the positioning seat of the present invention;
in the figure: 1. a base; 2. mounting holes; 3. mounting grooves; 4. positioning seats; 41. positioning a groove; 42. a fixed shoulder; 5. a limiting seat; 6. positioning a centre; 7. a threaded post; 8. a bolt; 9. pressing a plate; 10. a screw; 11. a flat key.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element 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.
The concentricity testing tool shown in fig. 1 to 3 comprises a base 1, wherein a plurality of mounting holes 2 are uniformly distributed on the base 1, and a mounting groove 3 is formed in the base 1 from left to right.
Two positioning seats 4 are arranged on the base 1, a positioning groove 41 is arranged in the middle of the bottom of each positioning seat 4, and the width of each positioning groove 41 is the same as that of the corresponding mounting groove 3. A flat key 11 is arranged in a gap formed by the positioning groove 41 and the mounting groove 3.
As shown in fig. 3, two opposite side surfaces of the positioning seat 4 are provided with inwardly recessed rectangular grooves at the same height to form fixing shoulders 42. The middle part of the top surface of the positioning seat 4 is provided with a concave of an inverted triangle, and the bottom of the concave, namely the tip of the triangle, is provided with a rectangular groove. A limiting seat 5 is arranged above the positioning seat 4, a recess is arranged in the middle of the bottom surface of the limiting seat 5, and is matched with the recess of the positioning seat 4 to form a gap for installing a positioning tip 6, and the positioning tip 6 can roll in the gap without radial displacement. The limiting seat 5 is fixed on the positioning seat 4 through a screw. One section of the positioning center 6, which is arranged between the positioning seat 4 and the limiting seat 5, is cylindrical, and one surface of the two positioning centers 6, which is opposite to each other, is conical and is used for supporting the detected piece.
The fixing device is characterized in that a fixing shoulder 42 of the positioning seat 4 is used for fixing the positioning seat 4 on the base 1, a pressing plate 9 is arranged on the base 1, a threaded through hole is formed in the middle of the pressing plate 9 and matched with a threaded column 7 and a bolt 8, so that the pressing plate 9 is fixed on the base 1, one side of the pressing plate 9 is pressed on the fixing shoulder 42, a threaded hole is formed in the other side of the pressing plate 9 and matched with a threaded hole through a screw 10, the screw 10 is integrally arranged below the pressing plate 9, one end of the screw is in contact with the base 1, and the other end of the screw is screwed into the threaded hole of the.
When the positioning device is used, the distance between the two positioning seats is adjusted according to the length of a workpiece, the limiting seat and the positioning tip on the positioning seats are adjusted together, and then the positioning seats are fixed on the base through the mounting holes in the base by the pressing plate, the threaded columns, the bolts and the screws. The positioning center is pressed against the centers of the two end surfaces of the cylindrical workpiece.
It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.
Claims (4)
1. The concentricity testing tool is characterized by comprising a base (1), wherein a plurality of mounting holes (2) are uniformly distributed on the base (1), and mounting grooves (3) are formed in the base (1) from left to right;
the base (1) is also provided with two positioning seats (4), the middle of the bottom of each positioning seat (4) is provided with a positioning groove (41), and the width of each positioning groove (41) is the same as that of the mounting groove (3);
two opposite side surfaces of the positioning seat (4) are provided with inward sunken rectangular grooves at the same height to form fixing shoulders (42);
the middle part of the top surface of the positioning seat (4) is provided with an inverted triangular recess, and the bottom of the recess, namely the tip of the triangle, is provided with a rectangular groove;
a limiting seat (5) is arranged above the positioning seat (4), a recess is formed in the middle of the bottom surface of the limiting seat (5), the recess is matched with the recess of the positioning seat (4) to form a gap for mounting a positioning tip (6), and the positioning tip (6) can roll in the gap without radial displacement;
the section of the positioning center (6) arranged between the positioning seat (4) and the limiting seat (5) is cylindrical, and one surface of the two positioning centers (6) opposite to each other is conical and is used for supporting a detected piece;
the fixing shoulder (42) of the positioning seat (4) is used for fixing the positioning seat (4) on the base (1), a pressing plate (9) is arranged on the base (1), a threaded through hole is formed in the middle of the pressing plate (9) and matched with the threaded column (7) and the bolt (8), the pressing plate (9) is fixed on the base (1), one side of the pressing plate (9) is in contact with the fixing shoulder (42), and the positioning seat (4) is fixed on the base (1).
2. The concentricity testing tool according to claim 1, wherein a flat key is arranged in a gap formed by the positioning groove (41) and the mounting groove (3).
3. The concentricity testing tool according to claim 1, wherein the pressure plate (9) is in contact with the fixing shoulder (42) on one side, is provided with a threaded hole on the other side, is provided with a screw (10) matched with the threaded hole, and is integrally arranged below the pressure plate (9), one end of the screw (10) is in contact with the base (1) and the other end of the screw is screwed into the threaded hole of the pressure plate (9).
4. The concentricity testing tool according to claim 1, wherein the limiting seat (5) is detachably connected with the positioning seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089391.3U CN210346650U (en) | 2019-07-12 | 2019-07-12 | Concentricity inspection frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089391.3U CN210346650U (en) | 2019-07-12 | 2019-07-12 | Concentricity inspection frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210346650U true CN210346650U (en) | 2020-04-17 |
Family
ID=70193702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921089391.3U Active CN210346650U (en) | 2019-07-12 | 2019-07-12 | Concentricity inspection frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210346650U (en) |
-
2019
- 2019-07-12 CN CN201921089391.3U patent/CN210346650U/en active Active
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