CN212372009U - Quick positioner of flat slim valve class part seat face circularity measurement - Google Patents
Quick positioner of flat slim valve class part seat face circularity measurement Download PDFInfo
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- CN212372009U CN212372009U CN202020729517.5U CN202020729517U CN212372009U CN 212372009 U CN212372009 U CN 212372009U CN 202020729517 U CN202020729517 U CN 202020729517U CN 212372009 U CN212372009 U CN 212372009U
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Abstract
The utility model discloses a quick positioning device for measuring roundness of a seat surface of a flat and thin valve part, which relates to the technical field of positioning devices for flat and thin valve parts, in particular to a quick positioning device for measuring roundness of a seat surface of a flat and thin valve part, comprising a clamping jaw, a clamping chuck, magnetic steel, a positioning block, a push rod, a positioning conical cover, a positioning conical handle and a handle; the clamping jaw is connected with the chuck and can carry out radial clamping force adjustment, a straight handle below the positioning taper shank is arranged in the three-jaw clamping jaw, the magnetic steel is arranged in the positioning block, the push rod is in threaded connection with the positioning block, the push rod is inserted into a middle hole of the positioning taper shank, the handle penetrates through a waist-shaped groove on the side surface of the positioning taper shank and is in threaded connection with the push rod, the positioning taper cover is arranged above the positioning taper shank and is attached to the conical surface of the positioning taper shank, and a part to be measured is arranged; the device has axial and radial dual location, and part simple to operate, not slope need not manual adjustment, and is high-efficient, practical, can fix a position the clamping part fast and carry out the roundness measurement to improve detection efficiency.
Description
Technical Field
The invention relates to the technical field of flat and thin type valve part positioning devices, in particular to a quick positioning device for measuring roundness of a seat surface of a flat and thin type valve part.
Background
When the roundness of the seat surface of a flat and thin valve part is measured, the conventional positioning method is to directly use a three-jaw chuck for clamping, and the specific operation is to firstly mount a jaw in the chuck, then hold the part by hand and put the part into the jaw to adjust the position of the part, simultaneously tighten the jaw to clamp the part to realize the part positioning, and then measure the roundness of the seat surface of the part; however, this method has the following problems:
1. because the parts are very flat and thin, the parts are very inconvenient to manually put in;
2. the original device only has radial positioning and does not have axial positioning, so that the part is often clamped in an inclined mode, the measuring result is inaccurate, the clamping needs to be adjusted again, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a quick positioning device for measuring the roundness of a seat surface of a flat and thin valve part, which has the advantages of axial and radial double positioning, convenient part installation, no inclination, no need of manual adjustment, high efficiency and practicability, and can quickly position and clamp the part for roundness measurement, thereby improving the detection efficiency.
According to the technical scheme provided by the invention, the quick positioning device for measuring the roundness of the seat surface of the flat and thin valve part comprises: the clamping jaw, the chuck, the magnetic steel, the positioning block, the push rod, the positioning taper cover, the positioning taper shank and the handle; the jack catch with the chuck is connected, the location taper shank with the jack catch is connected, the magnet steel is located in the locating piece, the push rod with locating piece connection, the push rod is located in the location taper shank, the handle with the push rod is connected, the location taper lid is located location taper shank top.
The chuck center is equipped with first circle through-hole, the chuck passes through first circle through-hole is connected with this positioner's fixed bolster.
The number of the clamping jaws is 3, and the clamping jaws are uniformly distributed along the central line of the positioning device.
The outer side surface of the positioning taper shank is in a conical surface shape, a straight shank is arranged below the positioning taper shank, the straight shank is arranged on the inner sides of the 3 clamping jaws, and the upper ends of the clamping jaws are attached to the shoulder blade surface of the positioning taper shank; the positioning taper shank is provided with a waist-shaped groove at one side above the straight shank, and the positioning taper shank is provided with a second round through hole along the central line.
The magnetic steel is arranged in the positioning block, and the upper surface of the magnetic steel is flush with the upper surface of the positioning block; milling and grinding the upper surface and the lower surface of the positioning block; and a first internal thread hole is arranged below the positioning block and is in threaded connection with the push rod.
The push rod is being close to waist type tank bottom position is equipped with second internal thread hole, the push rod inserts the location taper shank in the circle through-hole, the handle is equipped with external screw thread one end and passes waist type tank, with second internal thread hole threaded connection.
A conical inner cavity is arranged on the inner side of the positioning conical cover and is attached to the outer conical surface of the positioning conical handle; the positioning cone cover is characterized in that a third circular through hole is formed in the center above the positioning cone cover, the inner diameter of the third circular through hole is consistent with the outer diameter of a part to be measured, and the third circular through hole can be customized according to different sizes of the part.
The beneficial technical effects of the invention are as follows:
the quick positioning device for measuring the roundness of the seat surface of the flat and thin valve part, disclosed by the invention, has the advantages of axial and radial double positioning, convenience in part installation, no inclination, no need of manual adjustment, high efficiency and practicability, and can quickly position and clamp the part for measuring the roundness, so that the detection efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a quick positioning device for measuring roundness of a seat surface of a flat and thin valve part disclosed in the present application.
Fig. 2 is a sectional view taken along the line a in fig. 1.
FIG. 3 is a sectional view showing the structure of a conventional apparatus.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
With reference to fig. 1-2, the utility model discloses a quick positioner of flat slim valve part seat face circularity measurement of this application, include: the clamping jaw 2, the chuck 3, the magnetic steel 4, the positioning block 5, the push rod 6, the positioning conical cover 7, the positioning conical handle 8 and the handle 9; a first circular through hole 10 is formed in the center of the chuck 3, the chuck 3 is connected with a fixing support of the positioning device through the first circular through hole 10, 3 clamping jaws 2 are uniformly distributed along the central line of the positioning device in a three-jaw fixing mode, and the clamping jaws 2 are mounted on the chuck 3 and can realize radial clamping force adjustment; a straight handle 12 is arranged below the positioning taper shank 8 and is arranged in the 3 clamping jaws 2 to be clamped tightly, and the upper ends of the clamping jaws 2 are ensured to be attached to the shoulder blade surface 13 of the positioning taper shank 8; a waist-shaped groove 11 is formed in one side of the positioning taper shank 8 above the straight shank 12, a second round through hole 14 is formed in the positioning taper shank 8 along the center line, and the outer side surface of the positioning taper shank 8 is in a conical shape; the magnetic steel 4 is arranged inside the positioning block 5, and the upper surface of the magnetic steel 4 is flush with the upper surface of the positioning block 5, so that the positioning block 5 has magnetic attraction and attracts the part 1; the upper surface and the lower surface of the positioning block 5 are milled and ground, so that the surface is smooth, and radial positioning is realized; a first internal threaded hole 15 is arranged below the positioning block 5 and is in threaded connection with the push rod 6; a second internal threaded hole 17 is formed in the position, close to the bottom of the waist-shaped groove 11, of the push rod 6, the push rod 6 is inserted into the second round through hole 14 of the positioning taper shank 8, and one end, provided with an external thread, of the handle 9 penetrates through the waist-shaped groove 11 and then is in threaded connection with the second internal threaded hole 17 of the push rod 6; a conical inner cavity 18 is arranged on the inner side of the positioning conical cover 7 and is attached to the outer conical surface of the positioning conical handle 8; a third round through hole 16 is formed in the center above the positioning conical cover 7, and the inner diameter of the third round through hole 16 is consistent with the outer diameter of the part 1 to be detected, so that axial positioning is realized.
During batch testing, the positioning taper cover 7 with the size of the third circular through hole 16 in the positioning taper cover 7 matched with the outer diameter of the part to be tested 1 is placed on the positioning taper handle 8, the part to be tested 1 is placed in the third circular through hole 16 of the positioning taper cover 7 and is pressed downwards, the upper surface and the lower surface of the positioning block 5 are attached to the part to be tested 1 and the positioning taper handle 8 respectively, clamping of the part is completed, and then roundness measurement of the seat surface is performed.
When the part is replaced after measurement, the handle 9 is lifted upwards to enable the push rod 6 to move upwards, the part 1 is ejected out of the positioning conical cover 7 through the positioning block 5, the part is taken out by hand, the next part is placed into the third round through hole 16 of the positioning conical cover 7 and pressed downwards, and the part is rapidly positioned and installed.
The third round through hole 16 of the positioning conical cover 7 can be customized according to different part sizes, and when the model of the part to be detected is changed, only the corresponding positioning conical cover 7 needs to be changed.
The application discloses quick positioner of flat thin type valve class part seat face circularity measurement's concrete theory of operation as follows:
a circular through hole matched with the part to be detected is formed in the center position above the positioning conical cover, so that the axial positioning of the part is ensured; the magnetic steel is embedded in the upper surface of the positioning block, so that the positioning block has magnetic attraction to suck a part to be detected, and the upper surface and the lower surface of the positioning block are very flat, so that the radial positioning of the part is ensured; the positioning block is connected with the push rod, the push rod can be inserted into a central circular through hole of the positioning taper shank, the handle penetrates through a waist-shaped groove on the positioning taper shank and then is connected with the push rod, the handle is pulled to enable the handle to move up and down in the limit range of the waist-shaped groove and drive the push rod to ascend or descend, the handle is pulled upwards to enable parts to be quickly pushed out of the positioning taper cover, and the handle is pulled downwards to enable the parts to be quickly filled; the quick positioning device has the axial and radial dual positioning functions, can realize quick positioning and replacement, and greatly improves the working efficiency.
What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiment. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and concept of the present invention are to be considered as included within the scope of the present invention.
Claims (7)
1. The utility model provides a quick positioner of flat thin type valve class part seat face circularity measurement which characterized in that, the device includes: the clamping jaw (2), the chuck (3), the magnetic steel (4), the positioning block (5), the push rod (6), the positioning taper cover (7), the positioning taper shank (8) and the handle (9); the clamping jaw (2) is connected with the chuck (3),
location taper shank (8) with jack catch (2) are connected, magnet steel (4) are located in locating piece (5), push rod (6) with locating piece (5) are connected, push rod (6) are located in location taper shank (8), handle (9) with push rod (6) are connected, location awl lid (7) are located location taper shank (8) top.
2. The quick positioning device for measuring the roundness of the seat surface of the flat and thin valve part as claimed in claim 1, wherein the chuck (3) is provided with a first circular through hole (10) at the center, and the chuck (3) is connected with the fixing bracket of the positioning device through the first circular through hole (10).
3. The quick positioning device for measuring the roundness of the seat surface of the flat and thin valve part as claimed in claim 1, wherein the number of the jaws (2) is 3 in total and is uniformly distributed along the center line of the positioning device.
4. The quick positioning device for measuring the roundness of the seat surface of the flat and thin valve part as claimed in claim 1, wherein the outer side surface of the positioning taper shank (8) is in a conical shape, a straight shank (12) is arranged below the positioning taper shank (8), the straight shank (12) is arranged inside 3 jaws (2), and the upper ends of the jaws (2) are attached to the shoulder blade surface (13) of the positioning taper shank (8); the positioning taper shank (8) is provided with a waist-shaped groove (11) on one side above the straight shank (12), and the positioning taper shank (8) is provided with a second round through hole (14) along the central line.
5. The quick positioning device for measuring the roundness of the seat surface of the flat and thin valve part as claimed in claim 1, wherein the magnetic steel (4) is arranged inside the positioning block (5), and the upper surface of the magnetic steel (4) is flush with the upper surface of the positioning block (5); the upper surface and the lower surface of the positioning block (5) are milled and ground; a first internal thread hole (15) is arranged below the positioning block (5) and is in threaded connection with the push rod (6).
6. The quick positioning device for measuring the roundness of the seat surface of the flat and thin valve part as claimed in claim 4, wherein the push rod (6) is provided with a second internal threaded hole (17) at a position close to the bottom of the waist-shaped groove (11), the push rod (6) is inserted into the second circular through hole (14) of the positioning taper shank (8), and the handle (9) is provided with an external thread, and one end of the handle penetrates through the waist-shaped groove (11) to be in threaded connection with the second internal threaded hole (17).
7. The quick positioning device for measuring the roundness of the seat surface of the flat and thin valve part as claimed in claim 1, wherein a conical inner cavity (18) is formed inside the positioning conical cover (7) and is attached to the outer conical surface of the positioning conical handle (8); the positioning cone cover (7) is characterized in that a third circular through hole (16) is formed in the center above the positioning cone cover (7), the inner diameter of the third circular through hole (16) is consistent with the outer diameter of a part to be measured (1), and the third circular through hole (16) can be customized according to different sizes of parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020729517.5U CN212372009U (en) | 2020-05-06 | 2020-05-06 | Quick positioner of flat slim valve class part seat face circularity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020729517.5U CN212372009U (en) | 2020-05-06 | 2020-05-06 | Quick positioner of flat slim valve class part seat face circularity measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212372009U true CN212372009U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020729517.5U Active CN212372009U (en) | 2020-05-06 | 2020-05-06 | Quick positioner of flat slim valve class part seat face circularity measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212372009U (en) |
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2020
- 2020-05-06 CN CN202020729517.5U patent/CN212372009U/en active Active
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