CN214642789U - Bending strength examination strip grinds adds clamping apparatus - Google Patents
Bending strength examination strip grinds adds clamping apparatus Download PDFInfo
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- CN214642789U CN214642789U CN202023300502.6U CN202023300502U CN214642789U CN 214642789 U CN214642789 U CN 214642789U CN 202023300502 U CN202023300502 U CN 202023300502U CN 214642789 U CN214642789 U CN 214642789U
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- clamping block
- bending strength
- clamping bolt
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Abstract
The utility model discloses a bending strength examination strip grinds adds clamping apparatus, including anchor clamps seat, first fixture and second fixture. The fixture seat comprises a bottom plate and four side plates. The side plates on the four sides are arranged on the bottom plate in a port-shaped structure, so that a clamp cavity with an opening at the top is formed above the bottom plate and on the inner sides of the side plates on the four sides. The first clamping mechanism comprises a first clamping block and a first clamping bolt which are rotatably connected. The second clamping mechanism comprises a second clamping block and a second clamping bolt which are connected in a rotating mode. The first clamping bolt is arranged on one side plate through being meshed with the first screw hole, and the second clamping bolt is arranged on the other side plate through being meshed with the second screw hole, so that the first clamping bolt and the second clamping bolt are axially perpendicular. The utility model discloses a centre gripping of two mutually perpendicular directions realizes that small-size bending strength examination strip grinds the centre gripping fixed in man-hour to can match the bending strength examination strip of unidimensional not.
Description
Technical Field
The utility model relates to a grind the adds clamping apparatus, in particular to centre gripping of small-size bending strength examination strip is fixed.
Background
Bending strength is an important mechanical property of a material, a common bending strength testing method is a three-point bending testing method, in the three-point bending testing method, strict requirements are provided for the size, shape and surface roughness of a sample to be tested, however, the sample prepared in the production process usually does not meet the testing requirements, so that the sample needs to be reprocessed, and because the sample is small, the sample is fixed by hands in the processing process, so that the processing accuracy is reduced, and the sample is extremely dangerous, and a proper sample fixing and processing device is very important. Conventional holders are not adjustable, so that the holder often needs to be replaced when the test strips vary widely in size.
Disclosure of Invention
The utility model discloses the problem that will solve: and (3) clamping and fixing the small-size bending strength test strip during grinding.
In order to solve the above problem, the utility model discloses a scheme as follows:
a bending strength test strip grinding clamp comprises a clamp seat, a first clamping mechanism and a second clamping mechanism; the clamp seat comprises a bottom plate and four side plates; the side plates of the four sides are arranged on the bottom plate in a port-shaped structure, so that clamp cavities with openings at the tops are formed above the bottom plate and on the inner sides of the side plates of the four sides; the first clamping mechanism comprises a first clamping block and a first clamping bolt which are rotatably connected; the second clamping mechanism comprises a second clamping block and a second clamping bolt which are connected in a rotating mode; the first clamping block and the second clamping block are arranged in the clamp cavity and can move relative to the clamp seat; the first clamping bolt is arranged on one side plate through being meshed with the first screw hole, and the second clamping bolt is arranged on the other side plate through being meshed with the second screw hole, so that the first clamping bolt and the second clamping bolt are axially perpendicular.
Further, the first clamping block and the second clamping block are tightly attached to the bottom plate.
Furthermore, two ends of the first clamping block are tightly attached to the two opposite side plates; the second clamping block, the first clamping block and the side plate are suspended.
Further, the first clamping block and the first clamping bolt are rotatably connected through a rotatable connecting mechanism; the rotatable connecting mechanism comprises a round-head blind hole arranged on the first clamping block, a bolt round head arranged at the tail end of the first clamping bolt and a round-head limiting piece arranged outside the round-head blind hole; the round head limiting piece is fixedly connected with the first clamping block and is provided with a through hole; the first clamping bolt penetrates through the through hole of the round-head limiting piece, and the round head of the bolt at the tail end of the first clamping bolt is limited in the round-head blind hole by the round-head limiting piece.
Further, the clamp cavity is also provided with a backing plate.
The technical effects of the utility model are as follows:
1. the utility model discloses a centre gripping of two mutually perpendicular directions realizes that small-size bending strength examination strip grinds the centre gripping fixed of man-hour.
2. The utility model discloses can match the not unidimensional bending strength examination strip and grind the centre gripping of processing fixed.
3. The utility model discloses simple structure, it is easy and simple to handle.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a rotatable connection mechanism according to an embodiment of the present invention.
Wherein the content of the first and second substances,
1 is a clamp seat, 11 is a bottom plate, 12 is a side plate, 121 is a first screw hole, 122 is a second screw hole, 13 is a clamp cavity, and 14 is a backing plate;
2 is a first clamping mechanism, 21 is a first clamping block, and 22 is a first clamping bolt;
3 is a second clamping mechanism, 31 is a second clamping block, and 32 is a second clamping bolt;
4 is a rotatable connection mechanism; 41 is a round-head blind hole, 42 is a bolt round head, 43 is a round-head limiting sheet, and 431 is a through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a clamp for grinding bending strength test strips comprises a clamp base 1, a first clamping mechanism 2 and a second clamping mechanism 3. The jig base 1 includes a bottom plate 11 and four-sided side plates 12. The four side plates 12 are arranged in a throat-like configuration on the base plate 11, so that a clamp chamber 13 with an open top is formed above the base plate 11 and inside the four side plates 12. The first clamping mechanism 2 comprises a first clamping block 21 and a first clamping bolt 22 which are rotatably connected. The second clamping mechanism 3 includes a second clamping block 31 and a second clamping bolt 32 rotatably connected. The rotatable connection here means that the two connected parts can be rotated relatively, in particular, in the first clamping mechanism 2, the first clamping block 21 and the first clamping bolt 22 can be rotated relatively, that is, the first clamping block 21 and the first clamping bolt 22 are connected by the rotatable connection mechanism 4. Similarly, in the second clamping mechanism 3, the second clamping block 31 and the second clamping bolt 32 can rotate relatively, that is, the second clamping block 31 and the second clamping bolt 32 are connected by the rotatable connecting mechanism 4.
The first clamping block 21 and the second clamping block 31 are arranged in the clamp cavity 13, abut against the bottom plate 11 and can move relative to the clamp base 1. Wherein, the two ends of the first clamping block 21 are tightly attached to the two opposite side plates 12, and the second clamping block 22 is suspended with the first clamping block 21 and the side plates 12. The floating is that the second clamping block 22 is not connected with the first clamping block 21 and the side plate 12. The first clamping bolt 22 is provided on the side plate 12 by being engaged with the first screw hole 121, and the second clamping bolt 22 is provided on the other side plate 12 by being engaged with the second screw hole 122 such that the first clamping bolt 22 and the second clamping bolt 32 are axially perpendicular. The first screw hole 121 and the second screw hole 122 are screw holes provided on the two side plates 12, respectively, the axial centers of the first screw hole 121 and the second screw hole 122 are parallel to the bottom plate 11, and the axial centers of the first screw hole 121 and the second screw hole 122 are perpendicular to the two side plates 12, respectively, whereby the axial directions of the first clamping bolt 22 and the second clamping bolt 32 are parallel to the bottom plate 11 and perpendicular to each other.
It should be noted that, as those skilled in the art will appreciate, there are many embodiments of the rotatable connecting mechanism 4, and in this embodiment, the rotatable connecting mechanism 4 adopts the structure shown in fig. 2, which includes a blind hole 41 with a round head, a bolt round head 42 and a round head limiting plate 43 disposed outside the blind hole 41 with a round head. The round head limiting sheet 43 is provided with a through hole 431. In the first clamping mechanism 2, a round-head blind hole 41 is arranged on the first clamping block 21, and a bolt round head 42 is arranged at the tail end of the first clamping bolt 22; the round head limiting sheet 43 is fixedly connected with the first clamping block 21; the first clamping bolt 22 passes through the through hole 431 of the round head limiting sheet 43, and the bolt round head 42 at the tail end of the first clamping bolt is limited in the round head blind hole 41 by the round head limiting sheet 43. In the second clamping mechanism 3, a round-head blind hole 41 is arranged on the second clamping block 31, and a bolt round head 42 is arranged at the tail end of the second clamping bolt 32; the round head limiting sheet 43 is fixedly connected with the second clamping block 31; the second clamping bolt 32 passes through the through hole 431 of the round head limiting sheet 43, and the bolt round head 42 at the tail end of the second clamping bolt is limited in the round head blind hole 41 by the round head limiting sheet 43.
Further, the jig cavity 13 is also provided with a backing plate 14. Backing plate 14 is used to hold the bending strength test strips previously described.
The working principle of the present embodiment is that, firstly, the bending strength test strip to be grinded is placed on the backing plate 14, then the first clamping bolt 22 is rotated, the first clamping block 21 is pushed to translate through the threaded engagement of the first clamping bolt 22 and the first screw hole 121, so that the bending strength test strip is clamped between the side plate 12 and the first clamping block 21 in the first direction, then the second clamping bolt 32 is rotated, the second clamping block 31 is pushed to translate through the threaded engagement of the second clamping bolt 32 and the second screw hole 122, so that the bending strength test strip is clamped between the side plate 12 and the second clamping block 31 in the second direction, so that the bending strength test strip to be grinded is clamped and fixed in the first direction and the second direction. The first direction and the second direction are perpendicular.
In addition, the technical personnel in the field understand, the utility model discloses a anchor clamps can also not only be limited to the grinding processing of bending strength examination strip fixed, and the centre gripping when also can be used to other operations is fixed.
Claims (5)
1. The grinding clamp for the bending strength test strip is characterized by comprising a clamp seat (1), a first clamping mechanism (2) and a second clamping mechanism (3); the clamp seat (1) comprises a bottom plate (11) and side plates (12) on four sides; the side plates (12) on the four sides are arranged on the bottom plate (11) in a throat-shaped structure, so that a clamp cavity (13) with an opening at the top is formed above the bottom plate (11) and on the inner sides of the side plates (12) on the four sides; the first clamping mechanism (2) comprises a first clamping block (21) and a first clamping bolt (22) which are rotatably connected; the second clamping mechanism (3) comprises a second clamping block (31) and a second clamping bolt (32) which are connected in a rotatable mode; the first clamping block (21) and the second clamping block (31) are arranged in the clamp cavity (13) and can move relative to the clamp base (1); the first clamping bolt (22) is disposed on one side plate (12) by engaging with the first screw hole (121), and the second clamping bolt (32) is disposed on the other side plate (12) by engaging with the second screw hole (122), so that the first clamping bolt (22) and the second clamping bolt (32) are axially perpendicular.
2. The bending strength test strip grinding fixture of claim 1, wherein the first holding block (21) and the second holding block (31) are affixed to the base plate (11).
3. The bending strength test strip grinding fixture of claim 2, wherein the first clamping block (21) has two ends that abut two opposing edge plates (12); the second clamping block (31), the first clamping block (21) and the side plate (12) are suspended.
4. The bending strength test strip grinding fixture of claim 1, 2 or 3, wherein the first clamping block (21) and the first clamping bolt (22) are rotatably connected by a rotatable connecting mechanism (4); the rotatable connecting mechanism comprises a round-head blind hole (41) arranged on the first clamping block (21), a bolt round head (42) arranged at the tail end of the first clamping bolt (22) and a round-head limiting sheet (43) arranged outside the round-head blind hole (41); the round head limiting sheet (43) is fixedly connected with the first clamping block (21) and is provided with a through hole (431); the first clamping bolt (22) penetrates through a through hole (431) of the round head limiting piece (43), and the bolt round head (42) at the tail end of the first clamping bolt is limited in the round head blind hole (41) by the round head limiting piece (43).
5. The bending strength test strip grinding process fixture of claim 1, 2 or 3, wherein the fixture cavity (13) is further provided with a backing plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300502.6U CN214642789U (en) | 2020-12-31 | 2020-12-31 | Bending strength examination strip grinds adds clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300502.6U CN214642789U (en) | 2020-12-31 | 2020-12-31 | Bending strength examination strip grinds adds clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214642789U true CN214642789U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023300502.6U Active CN214642789U (en) | 2020-12-31 | 2020-12-31 | Bending strength examination strip grinds adds clamping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214642789U (en) |
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2020
- 2020-12-31 CN CN202023300502.6U patent/CN214642789U/en active Active
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