CN107807040B - Clamping device - Google Patents
Clamping device Download PDFInfo
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- CN107807040B CN107807040B CN201710795753.XA CN201710795753A CN107807040B CN 107807040 B CN107807040 B CN 107807040B CN 201710795753 A CN201710795753 A CN 201710795753A CN 107807040 B CN107807040 B CN 107807040B
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- adjusting mechanism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a clamp which comprises a chuck (1), an angle adjusting mechanism (2) and a connecting mechanism and is characterized in that the chuck (1) is arranged on the angle adjusting mechanism (2), the angle adjusting mechanism (2) can move along a circumferential track, the tail end of the chuck (1) is positioned on the circumferential track, the front end of the chuck (1) is positioned at the center of the circumferential track, and when the angle adjusting mechanism (2) moves along the circumferential track, the moving distance of the angle adjusting mechanism is consistent with the moving distance of the chuck (1), so that the angle adjustment of the chuck (1) and the angle adjustment of the angle adjusting mechanism are also consistent.
Description
Technical Field
The invention relates to a clamp, in particular to an all-dimensional adjusting clamp.
Background
Jewel such as jewel ring, jewel pendant, brooch inlay ornaments sets up a plurality of stationary dogs on ring or mounting usually, utilizes the stationary dog to fix the jewel. Gemstones are expensive materials, which place high demands on the security of their mounting. The existing jewel ornament only has clear requirements on materials and processes, and does not have a test on the firmness or stress degree of the jewel fixing claw and a corresponding test instrument, and the jewel falling condition happens occasionally, so that the quality of a product is seriously influenced.
However, the industry does not have the standard for detecting the firmness or stress degree of the fixing claw of the inlaid ornament at present, and the testing instrument is not standardized, so that the accuracy of the measured data is difficult to determine and compare. There is no scientific and standardized test method and data analysis means for the design and the stress degree of the fixed jaw. Meanwhile, the fixed claw usually forms a certain angle with the main body surface of the inlaid ornament in structure, the angle is different according to the size and cutting of the jewel, the number of the claws and the inlaid design, if the jewel is only clamped and inlaid in the main body surface for testing, the angle between the fixed claw and the main body surface is not adjusted, the fixed claw reaches the horizontal direction and is perpendicular to the force application direction, the obtained test data is deviated from the actual stress condition of the fixed claw, and the obtained data of the fixed claw with different process designs cannot be compared.
Disclosure of Invention
The invention aims to provide an all-directional adjusting clamp which is suitable for, but not limited to, jewel inlaying ornaments made of different materials, sizes and designs and can at least solve one of the problems.
To achieve the above object, according to one aspect of the present invention, there is provided an omni-directional adjustment jig including a chuck, an angle adjustment mechanism for adjusting an angle of the chuck, a height adjustment mechanism for adjusting a position of the chuck in a vertical direction, a horizontal adjustment mechanism for adjusting a position of the chuck in a horizontal direction, and a fixed plate for supporting the chuck, the angle adjustment mechanism, the height adjustment mechanism, and the horizontal adjustment mechanism. From this, adopt angle adjustment mechanism, height adjustment mechanism, horizontal adjustment mechanism can be at diversified adjustment chuck, the piece that awaits measuring that makes the chuck centre gripping is according to the angular adjustment to level and the position of perpendicular to application of force direction of inlaying ornament stationary dog and main part face, make the stationary dog have best test position and angle, improve the reliability of test, simultaneously, rotatable chuck makes each claw on the stationary dog can both rotate suitable same test position, also make this anchor clamps be applicable to a plurality of stationary dogs that await measuring, the test of multiple type stationary dog.
In some embodiments, the chuck is disposed on an angle adjusting mechanism, the height adjusting mechanism and the horizontal adjusting mechanism are sequentially connected in a matching manner, and the horizontal adjusting mechanism is disposed on the fixing plate. Therefore, the clamp has a simple structure and is convenient to use due to the position relation of the mechanisms.
In some embodiments, the chuck is rotatably disposed at a top end of the angle adjustment mechanism by 360 °. From this, the chuck is rotatable, and when chuck centre gripping ring, need not to dismantle the ring and can rotate same horizontal position to a plurality of stationary dogs of ring and test.
In some embodiments, the top end of the angle adjusting mechanism is provided with a first positioning piece, and the first positioning piece is in threaded connection with the chuck, so that the chuck can rotate, and the angle adjusting mechanism is simple in structure and convenient to operate.
In some embodiments, the angle adjusting mechanism comprises an adjusting frame and a second positioning part, the adjusting frame is provided with an arc-shaped groove, the second positioning part penetrates through the arc-shaped groove to be connected with the height adjusting mechanism, and the adjusting frame is provided with angle scales. Therefore, the arc-shaped groove has a limiting effect, and the angle adjusting range of the adjusting frame is limited.
In some embodiments, the height adjusting mechanism includes a sleeve, a support rod, and a third positioning member, the sleeve is sleeved on the support rod, the sleeve is provided with a vertical groove, and the third positioning member passes through the vertical groove and is connected with the support rod. From this, the sleeve can reciprocate, and vertical groove plays spacing guide effect.
In some embodiments, the horizontal adjusting mechanism comprises a pressing plate, a movable plate and a locking screw, the movable plate is located between the pressing plate and the fixed plate, the pressing plate is provided with an operating hole, the bottom end of the supporting rod penetrates through the operating hole to be fixedly connected with the movable plate, and the locking screw penetrates through the pressing plate to be in threaded connection with the fixed plate. Therefore, the movable plate can move between the pressure plate and the fixed plate, and the locking screw plays a role in positioning.
In some embodiments, the opening area of the operation hole is larger than the cross-sectional area of the support rod, so that the support rod can move in the operation hole, and the adjustment of the strip in the horizontal direction is realized.
In some embodiments, the chuck includes a fourth positioning member and two jaws, and the fourth positioning member is threaded through one jaw to the other jaw, so that the chuck has sufficient force capacity to meet the firmness test requirements.
In some embodiments, one of the two clamping pieces is provided with a sliding groove, and the other clamping piece is provided with a guide piece which is in sliding fit with the sliding groove, so that the position relationship of the two clamping pieces is ensured, and the relative movement of the two clamping pieces is more stable.
In one embodiment, the present invention provides an omnidirectional adjustment fixture, which is characterized by comprising a chuck 1, an angle adjustment mechanism 2, a height adjustment mechanism 3, a horizontal adjustment mechanism 4 and a fixing plate 5, wherein the angle adjustment mechanism 2 is provided with angle scales for adjusting an angle of the chuck 1, the height adjustment mechanism 3 is used for adjusting a position of the chuck 1 in a vertical direction, the horizontal adjustment mechanism 4 is used for adjusting a position of the chuck 1 in a horizontal direction, and the fixing plate 5 is used for supporting the chuck 1, the angle adjustment mechanism 2, the height adjustment mechanism 3 and the horizontal adjustment mechanism 4.
In one embodiment, the chuck 1 is arranged on an angle adjusting mechanism 2, the angle adjusting mechanism 2, a height adjusting mechanism 3 and a horizontal adjusting mechanism 4 are sequentially connected in a matching manner, and the horizontal adjusting mechanism 4 is arranged on a fixing plate 5.
In one embodiment, the angle adjusting mechanism 2 can move along a circular track, the tail end of the chuck 1 is located on the circular track, the front end of the chuck 1 is located at the center of the circular track, when the angle adjusting mechanism 2 moves along the circular track, the moving distance of the angle adjusting mechanism 2 is consistent with the moving distance of the chuck 1, so that the angle adjustment of the chuck 1 and the angle adjustment of the angle adjusting mechanism are also consistent, and the measured angle of the fixed jaw can be accurately adjusted to be perpendicular to the direction of the tensile force through the adjusting angle of the angle adjusting mechanism 2.
In one embodiment, the chuck 1 is rotatably disposed at the top end of the angle adjusting mechanism 2 by 360 °.
In one embodiment, the top end of the angle adjusting mechanism 2 is provided with a first positioning member 6, and the first positioning member 6 is in threaded connection with the chuck 1.
In one embodiment, the angle adjusting mechanism 2 includes an adjusting frame 21 and a second positioning member 22, the adjusting frame 21 is provided with an arc-shaped slot 23, the second positioning member 22 passes through the arc-shaped slot 23 to be connected with the height adjusting mechanism 3, and the adjusting frame 21 is provided with angle scales.
In one embodiment, the height adjusting mechanism 3 includes a sleeve 31, a supporting rod 32 and a third positioning element 33, the sleeve 31 is sleeved on the supporting rod 32, the sleeve 31 is provided with a vertical groove 34, and the third positioning element 33 passes through the vertical groove 34 and is connected with the supporting rod 32.
In one embodiment, the horizontal adjustment mechanism 4 includes a pressing plate 41, a movable plate 42, and a locking screw 43, the movable plate 42 is located between the pressing plate 41 and the fixed plate 5, the pressing plate 41 is provided with an operation hole 44, the bottom end of the support rod 32 passes through the operation hole 44 and is fixedly connected with the movable plate 42, and the locking screw 43 passes through the pressing plate 41 and is in threaded connection with the fixed plate 5.
In one embodiment, the opening area of the operation hole 44 is larger than the cross-sectional area of the support rod 32, so that the support rod 32 can move in the operation hole 44.
In one embodiment, the chuck 1 includes a fourth positioning member 11 and two clamping pieces 12, and the fourth positioning member 11 is threaded through one clamping piece 12 and connected to the other clamping piece 12.
In one embodiment, one of the two jaws 12 is provided with a sliding slot 13, and the other jaw 12 is provided with a guiding piece 14, wherein the guiding piece 14 is in sliding fit with the sliding slot 13.
In one embodiment, the present invention provides a fixture, which includes a chuck 1, an angle adjusting mechanism 2 and a connecting mechanism, and is characterized in that the chuck 1 is disposed on the angle adjusting mechanism 2, the angle adjusting mechanism 2 can move along a circumferential track, a tail end of the chuck 1 is located on the circumferential track, a front end of the chuck 1 is located at a center of the circumferential track, and when the angle adjusting mechanism 2 moves along the circumferential track, a moving distance of the angle adjusting mechanism is consistent with a moving distance of the chuck 1, so that angle adjustments of the chuck 1 and the angle adjusting mechanism are also consistent.
In one embodiment, the chuck 1 is rotatably disposed at the top end of the angle adjusting mechanism 2 by 360 °.
In one embodiment, the top end of the angle adjusting mechanism 2 is provided with a first positioning member 6, and the first positioning member 6 is in threaded connection with the chuck 1.
In one embodiment, the angle adjusting mechanism 2 includes an adjusting frame 21 and a second positioning member 22, the adjusting frame 21 is provided with an arc-shaped slot 23, the second positioning member 22 passes through the arc-shaped slot 23 to be connected with the connecting mechanism, and the adjusting frame 21 has angle scales.
In one embodiment, the chuck 1 includes a fourth positioning member 11 and two clamping pieces 12, and the fourth positioning member 11 is threaded through one clamping piece 12 and connected to the other clamping piece 12.
In one embodiment, one of the two jaws 12 is provided with a sliding slot 13, and the other jaw 12 is provided with a guiding piece 14, wherein the guiding piece 14 is in sliding fit with the sliding slot 13.
In one embodiment, the connecting mechanism comprises a height adjusting mechanism 3, a horizontal adjusting mechanism 4 and a fixing plate 5, the angle adjusting mechanism 2, the height adjusting mechanism 3 and the horizontal adjusting mechanism 4 are sequentially connected in a matching manner, and the horizontal adjusting mechanism 4 is arranged on the fixing plate 5.
In one embodiment, the height adjustment mechanism 3 includes a sleeve 31, a support rod 32 and a third positioning element 33, the sleeve 31 is sleeved on the support rod 32, the sleeve 31 is provided with a vertical groove 34, and the third positioning element 33 passes through the vertical groove 34 and is connected with the support rod 32.
In one embodiment, the horizontal adjustment mechanism 4 includes a pressing plate 41, a movable plate 42 and a locking screw 43, the movable plate 42 is located between the pressing plate 41 and the fixed plate 5, the pressing plate 41 is provided with an operation hole 44, the bottom end of the support rod 32 passes through the operation hole 44 and is fixedly connected with the movable plate 42, and the locking screw 43 passes through the pressing plate 41 and is in threaded connection with the fixed plate 5.
In one embodiment, the opening area of the operation hole 44 is larger than the cross-sectional area of the support rod 32, so that the support rod 32 can move in the operation hole 44.
In one embodiment, the present invention further provides a method of testing a ring dog using the jig, characterized by comprising the steps of: clamping the ring by using the chuck 1, wherein a fixed claw is positioned outside the chuck 1, and the included angle between the fixed claw and a horizontal line is alpha' and is positioned on the circle center of a circumferential track of the angle adjusting mechanism 2; moving the angle adjusting mechanism 2 to adjust the fixed claw to be horizontal; and testing the fixed claw which has reached the horizontal level.
In one embodiment, the angle adjusting mechanism 2 further comprises an adjusting frame 21, the adjusting frame 21 is provided with an angle scale and displays the moving angle α, and when the step (ii) is performed, the α is adjusted to α' to enable the fixing jaw to reach the horizontal.
The invention has the beneficial effects that: adopt angle adjustment mechanism, height adjustment mechanism, horizontal adjustment mechanism can be in diversified adjustment chuck, and then make the piece that awaits measuring of chuck centre gripping according to the angular adjustment of inlaying ornament stationary dog and main part face to the position of level and perpendicular to application of force direction, make the stationary dog have best test position and angle, improve the reliability of test, simultaneously, can 360 pivoted chucks make each claw on the stationary dog can both rotate suitable same test position, also make this anchor clamps be applicable to a plurality of stationary dogs that await measuring, the test of multiple type stationary dog. The rotatable setting of chuck need not to dismantle the piece that awaits measuring and can test a plurality of fixed claws of piece that awaits measuring. On the other hand, through the angle scale on the angle adjusting mechanism, a plurality of fixed claws are tested at the same horizontal position, the obtained measurement data is scientific and accurate and is consistent with the actual stress condition of the gem fixed claw, and the effect of analyzing the firmness or stress degree of the fixed claws accurately and standardly can be achieved.
Drawings
FIG. 1 is a schematic view of an omni-directional adjustment fixture according to an embodiment of the present invention;
FIG. 2 is a schematic view of the adjustment of the angular adjustment mechanism of the fixture of FIG. 1;
FIG. 3 is an axial cross-sectional view of the height adjustment mechanism of the fixture of FIG. 1;
FIG. 4 is a force-deformation graph of a sample 1 tested using the omni-directional adjustment fixture of the present invention;
figure 5 is a force-deformation graph of sample 6 tested using a wedge-shaped tensile fixture.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 to 3 schematically show an omni-directional adjustment jig according to an embodiment of the present invention.
As shown in fig. 1, the omnibearing adjusting clamp comprises a chuck 1, an angle adjusting mechanism 2, a height adjusting mechanism 3, a horizontal adjusting mechanism 4 and a fixing plate 5, wherein the angle adjusting mechanism 2 is used for adjusting the angle of the chuck 1, the height adjusting mechanism 3 is used for adjusting the position of the chuck 1 in the vertical direction, the horizontal adjusting mechanism 4 is used for adjusting the position of the chuck 1 in the horizontal direction, and the fixing plate 5 is used for supporting the chuck 1, the angle adjusting mechanism 2, the height adjusting mechanism 3 and the horizontal adjusting mechanism 4.
In this embodiment, the chuck 1 is provided on the angle adjusting mechanism 2, the height adjusting mechanism 3, and the horizontal adjusting mechanism 4 are sequentially connected in a fitting manner, and the horizontal adjusting mechanism 4 is provided on the fixing plate 5.
The chuck 1 includes a fourth positioning member 11 and two jaws 12. The fourth setting element 11 comprises handle nut and locating lever, and the handle nut setting is at the tip of locating lever, and the other end of this locating lever passes a clamping piece 12 and another clamping piece 12 threaded connection, and the interval of two clamping pieces can be adjusted to the rotatory handle nut, realizes pressing from both sides tightly and dismantling the piece that awaits measuring.
One of the two clamping pieces 12 is provided with a sliding slot 13, the other clamping piece 12 is provided with a guide piece 14, and the guide piece 14 is in sliding fit with the sliding slot 13. When the distance between the two clamping pieces 12 is adjusted, the guide piece 14 is in sliding fit in the sliding groove 13, so that the adjusting process is more stable.
The angle adjusting mechanism 2 comprises an adjusting frame 21 and a second positioning piece 22, and the adjusting frame 21 is provided with an arc-shaped groove 23. The second setting element 22 comprises handle nut and locating lever, and the handle nut setting is at the tip of locating lever, and this locating lever passes arc 23 and 3 threaded connection of height adjustment mechanism, and the twist grip nut makes adjustment frame 21 portable, makes adjustment frame 21's installation angle change under the injecion of arc 23, realizes the adjustment of 1 angle of chuck, and then the angle of adjustment stationary dog improves the reliability of firmness test. The arc of the arc-shaped slot 23 is the adjustable angle range of the adjusting bracket 21. The angle scales are arranged on the adjusting frame 21, so that angle adjustment is convenient.
The angle adjusting mechanism 2 can move along a circumferential track, the tail end of the chuck 1 is positioned on the circumferential track, the front end of the chuck 1 is positioned at the center of the circumferential track, and when the angle adjusting mechanism 2 moves along the circumferential track, the moving angle of the angle adjusting mechanism is consistent with that of the chuck 1. The measured angle of the fixed jaw can be accurately adjusted to be perpendicular to the tension direction by adjusting the angle of the angle adjusting mechanism 2.
As shown in figure 2, when the fixed claw of the ring is tested, the clamping head 1 clamps the ring, the fixed claw is positioned outside the clamping head 1, and the angle between the fixed claw and the horizontal line is alpha'. The fixed claw is placed at the center of the circle of the adjusting frame 21, the adjusting frame 21 is moved, the moving distance of the adjusting frame 21 along the circle is Arc, the moving angle is alpha, and the arrow A is the moving direction of the adjusting frame. Arc and the moving distance Arc 'of the extension line of the fixed jaw on the circumferential track are equal, and similarly, when α = α', the fixed jaw is adjusted to be horizontal, and at this time, the pulling force of the fixed jaw can be accurately measured. Therefore, according to the different angles α' of the fixed claws, the angle scale on the adjusting frame 21 is only required to be rotated to be α.
The chuck 1 is rotatably disposed at the top end of the adjusting bracket 21. The top end of the adjusting frame 21 of the angle adjusting mechanism 2 is provided with a first positioning piece 6. The first positioning member 6 is composed of a handle nut and a positioning rod, the handle nut is arranged at the end part of the positioning rod, and the positioning rod passes through the adjusting frame 21 and is in threaded connection with one of the two clamping pieces of the chuck 1. The handle nut is rotated to enable the chuck 1 to rotate 360 degrees so as to adjust the installation angle of the chuck 1, and a plurality of fixed claws of a piece to be tested can be conveniently tested. The rotation of the cartridge 1 and the angular adjustment of the adjustment bracket 21 are in two different planes, further in two perpendicular planes.
As shown in fig. 3, the height adjusting mechanism 3 includes a sleeve 31, a supporting rod 32 and a third positioning element 33, the sleeve 31 is sleeved on the supporting rod 32, and the sleeve 31 is provided with a vertical groove 34. The third positioning member 33 is composed of a handle knob and a positioning rod, a handle nut is arranged at the end of the positioning rod, and the positioning rod passes through the vertical groove 34 to be connected with the supporting rod 32. The handle nut is rotated to enable the sleeve 31 and the support rod 32 to move relatively, so that the height is adjusted, and the vertical groove 34 plays a limiting role. The top end of the sleeve 31 is engaged with the second positioning member 22 of the angle adjusting mechanism 2.
The horizontal adjustment mechanism 4 includes a pressing plate 41, a movable plate 42, and a locking screw 43. The movable plate 42 is positioned between the pressing plate 41 and the fixed plate 5, the pressing plate 41 is provided with an operation hole 44, the bottom end of the support rod 32 passes through the operation hole 44 to be fixedly connected with the movable plate 42, and the locking screw 43 passes through the pressing plate 41 to be in threaded connection with the fixed plate 5. The locking screw 43 is loosened, the movable plate 42 is movable between the pressing plate 41 and the fixed plate 5, and tightening the locking screw 43 causes the pressing plate 41 to press the movable plate 42 against the fixed plate 5. The locking screw 43 is also sleeved with a handle for convenient operation. The opening area of the operation hole 44 is larger than the cross-sectional area of the support rod 32, so that the support rod 32 can move in the operation hole 44.
The fixing plate 5 is also provided at its bottom with mounting tabs 7 to facilitate mounting of the fixture on a test instrument.
By adopting the clamp, the angle of the clamp head 1 is adjusted, the angle adjusting mechanism 2, the height adjusting mechanism 3 and the horizontal adjusting mechanism 4 are adjusted, so that the part to be tested clamped on the clamp head 1 can be adjusted in the xyz triaxial direction, namely all-dimensional adjustment, and firmness tests on a plurality of fixed claws and various types of fixed claws of the part to be tested are realized.
Some embodiments of the invention are now further described by way of example in the following finger-grip pull test. The ring claw tension test is carried out by matching a tension tester, a single hook, a three hook (with a universal joint), a wedge-shaped stretching clamp and the like, and the piece to be tested is an S925 silver ring.
Exemplary operating conditions for the finger ring pull test can be found in table 1.
The tensile test data for a plurality of S925 silver ring jaws using the universal adjustment fixture of the present invention and following the exemplary operating conditions described in table 1 are shown in table 2, wherein the force-deformation diagram for sample 1 is shown in fig. 4, and the jaws are measured in a sequence. Tensile test data for a plurality of S925 silver ring jaws using wedge-shaped tensile clamps and following the exemplary operating conditions described in table 1 are shown in table 3, wherein the force-deformation diagram for sample 6 is shown in fig. 5, and the jaws are measured in a sequence.
By comparing the test data and the force value-deformation graph, the conclusion is that the omnibearing adjusting clamp adopts the angle adjusting mechanism, accurately adjusts the claw to be tested clamped by the clamping head to the horizontal position according to the angle between the ring claw and the main body surface, adopts the horizontal adjusting mechanism to ensure that the stress directions of the ring claw are consistent, and simultaneously adopts the rotatable clamping head to ensure that each claw on the ring claw can rotate to the same test position.
Table 1 stationary jaw pull test demonstrates operating conditions.
Parameter(s) | Operating data |
Temperature (. Degree.C.) | 24~28 |
Relative humidity (%) | 40~60 |
Drawing speed (mm/min) | 1 |
Preloading force (N) | 3 |
Deformation limit (mm) | 2 |
Table 2 data for the stationary jaw pull test using the omni-directional adjustment fixture of the present invention.
Table 3 data for the stationary jaw tension test using a wedge-shaped tensile fixture.
While the foregoing is directed to embodiments of the present invention, and further embodiments of the invention are described herein for purposes of illustration, it is to be understood that such detail is solely for that purpose and that the invention is not limited to the disclosed embodiments. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The clamp comprises a chuck (1), an angle adjusting mechanism (2) and a connecting mechanism, and is characterized in that the chuck (1) is arranged on the angle adjusting mechanism (2), the angle adjusting mechanism (2) can move along a circumferential track, the tail end of the chuck (1) is positioned on the circumferential track, the front end of the chuck (1) is positioned at the center of the circumferential track, and when the angle adjusting mechanism (2) moves along the circumferential track, the moving distance of the angle adjusting mechanism is consistent with that of the chuck (1), so that the angle adjustment of the chuck (1) and the angle adjustment of the angle adjusting mechanism are also consistent; the device is characterized in that the chuck (1) is rotatably arranged at the top end of the angle adjusting mechanism (2) in 360 degrees; the connecting mechanism comprises a height adjusting mechanism (3), a horizontal adjusting mechanism (4) and a fixing plate (5), the angle adjusting mechanism (2), the height adjusting mechanism (3) and the horizontal adjusting mechanism (4) are sequentially matched and connected, and the horizontal adjusting mechanism (4) is arranged on the fixing plate (5).
2. The clamp according to claim 1, characterized in that the top end of the angle adjusting mechanism (2) is provided with a first positioning member (6), and the first positioning member (6) is in threaded connection with the chuck (1).
3. The clamp according to claim 1, wherein the angle adjusting mechanism (2) comprises an adjusting frame (21) and a second positioning member (22), the adjusting frame (21) is provided with an arc-shaped slot (23), the second positioning member (22) passes through the arc-shaped slot (23) to be connected with the connecting mechanism, and the adjusting frame (21) is provided with angle scales.
4. A clamp as claimed in claim 1, characterized in that said collet (1) comprises a fourth positioning element (11) and two jaws (12), said fourth positioning element (11) being screwed through one jaw (12) to the other jaw (12).
5. A clamp as claimed in claim 4, characterized in that one of said jaws (12) is provided with a runner (13), the other jaw (12) being provided with a guide (14), said guide (14) being in sliding engagement with the runner (13).
6. The clamp according to claim 1, wherein the height adjusting mechanism (3) comprises a sleeve (31), a support rod (32) and a third positioning element (33), the sleeve (31) is sleeved on the support rod (32), the sleeve (31) is provided with a vertical groove (34), and the third positioning element (33) penetrates through the vertical groove (34) to be connected with the support rod (32).
7. The clamp according to claim 6, wherein the horizontal adjusting mechanism (4) comprises a pressing plate (41), a movable plate (42) and a locking screw (43), the movable plate (42) is located between the pressing plate (41) and the fixed plate (5), the pressing plate (41) is provided with an operating hole (44), the bottom end of the supporting rod (32) penetrates through the operating hole (44) to be fixedly connected with the movable plate (42), and the locking screw (43) penetrates through the pressing plate (41) to be in threaded connection with the fixed plate (5).
8. The clamp of claim 7, wherein the access opening (44) has an open area greater than the cross-sectional area of the support rod (32) to allow the support rod (32) to move within the access opening (44).
9. A method of testing a ring dog using the jig of claim 1, comprising the steps of:
i. clamping the ring by using the chuck (1), wherein a fixed claw is positioned outside the chuck (1), and the fixed claw forms an included angle alpha' with a horizontal line and is positioned on the center of a circumferential track of the angle adjusting mechanism (2);
moving the angle adjusting mechanism (2) to adjust the fixed jaw to be horizontal; and
testing of the stationary paw that has reached the level.
10. The method of claim 9, further comprising: the angle adjusting mechanism (2) further comprises an adjusting frame (21), the adjusting frame (21) is provided with an angle scale and displays a moving angle alpha, and when the step (ii) is carried out, the alpha is adjusted to alpha' to enable the fixed jaw to reach the level.
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CN201710795753.XA CN107807040B (en) | 2017-09-06 | 2017-09-06 | Clamping device |
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CN109975145B (en) * | 2019-03-15 | 2022-02-25 | 河南中烟工业有限责任公司 | Universal hardness unit clamping device for multiple test platforms |
CN109975159B (en) * | 2019-03-15 | 2022-01-11 | 河南中烟工业有限责任公司 | Rapid calibrating device for hardness unit of comprehensive test bench |
CN109946100B (en) * | 2019-03-27 | 2023-12-05 | 华南理工大学 | Ultrathin heat pipe testing clamp and testing method thereof |
CN111014219A (en) * | 2019-12-31 | 2020-04-17 | 无锡电基集成科技有限公司 | Laser marking dust collecting device for semiconductor testing and sorting machine |
CN113740252A (en) * | 2021-09-15 | 2021-12-03 | 上海老凤祥首饰研究所有限公司 | Nondestructive testing method for inlaying fastness of jewelry |
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BR0002844A (en) * | 2000-06-16 | 2002-02-05 | Sergio Abrahao Aspahan | Gemstone facer |
CN206311432U (en) * | 2016-12-13 | 2017-07-07 | 南京金陵检测工程有限公司 | Pipeline cupping machine and its holder |
CN207215583U (en) * | 2017-09-06 | 2018-04-10 | 周生生珠宝金行有限公司 | A kind of fixture |
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