CN217913034U - Cantilever beam sample milling flutes location frock - Google Patents
Cantilever beam sample milling flutes location frock Download PDFInfo
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- CN217913034U CN217913034U CN202222015443.0U CN202222015443U CN217913034U CN 217913034 U CN217913034 U CN 217913034U CN 202222015443 U CN202222015443 U CN 202222015443U CN 217913034 U CN217913034 U CN 217913034U
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Abstract
The utility model discloses a cantilever beam sample milling flutes location frock, including fixed baseplate, the medial surface that is used for being driven in order to compress tightly the medial surface of cantilever beam sample compresses tightly the subassembly, the base block that is used for the lateral surface and/or the downside of butt cantilever beam sample, the left flank locating component that is used for the left flank of butt cantilever beam sample, the right flank locating component that is used for being moved in order to compress tightly the right flank of cantilever beam sample, the last side compacting part that is used for being driven in order to compress tightly the last side of cantilever beam sample; the base block is installed on the fixed base. The cantilever beam sample milling machine can accurately position a cantilever beam sample to improve the processing precision of the cantilever beam sample milling groove.
Description
Technical Field
The utility model relates to a cantilever beam sample milling flutes location frock belongs to frock technical field.
Background
At present, the NACE standard DCB double cantilever beam test is used for measuring the EC expansion resistance of a metal material, is represented by a critical stress intensity coefficient, is a fracture-stop fracture mechanical test, has higher requirements on the precision of a test sample, and can keep the web thickness (Bn) equal to 60 percent of the wall thickness, and the side wall notch depth is preferably 20 percent of the wall thickness. In the prior art, a bench vice is generally adopted to fix a cantilever beam sample, and the mode has the following defects: 1. the position needs to be adjusted every time, the tool needs to be adjusted, and a coordinate system needs to be searched; 2. the machining can be finished by clamping twice, the secondary clamping and positioning are difficult, and the situation of asymmetric milling grooves occurs; 3. the mode that adopts the bench vice can only single cantilever beam sample process, and is efficient.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a cantilever beam sample milling flutes location frock, it can realize the accurate positioning to the cantilever beam sample to improve the machining precision of cantilever beam sample milling flutes.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a cantilever beam sample milling flutes location frock, includes:
a fixed base;
the base block is used for abutting against the outer side face and/or the lower side face of the cantilever beam sample and is installed on the fixed base;
the inner side surface pressing component is used for being driven to press the inner side surface of the cantilever beam sample;
the left side surface positioning component is used for abutting against the left side surface of the cantilever beam sample;
a right lateral side positioning assembly for being actuated to press against a right lateral side of the cantilever beam specimen;
an upper side pressing member for being driven to press the upper side of the cantilever sample.
Further, a specific structure of a right flank positioning component is provided, including:
a left side block mounted on the base block;
and the fixed plunger is installed on the left side block and used for abutting against the left side surface of the cantilever beam sample.
Further, a specific structure of a right side positioning assembly is provided, including:
a right side block mounted on the base block;
a movable plunger mounted on the right block and adapted to be actuated to press against the right side of the cantilever test specimen.
Further, there is provided a concrete structure of an upper side pressing member, including:
an upper lateral middle hold down assembly for being actuated to hold down a middle of an upper lateral of the cantilever beam sample;
and/or an upper side end hold down assembly for being actuated to hold down an end of an upper side of the cantilever sample.
Further, a concrete structure of going up side middle part and compressing tightly subassembly is provided, includes:
the upper side middle corner cylinder is arranged on the fixed base;
and the upper side middle pressing block is arranged on a piston rod of the upper side middle corner cylinder and is suitable for being driven by the upper side middle corner cylinder to press the middle of the upper side of the cantilever beam sample.
Further, a concrete structure of an upper side end pressing assembly is provided, including:
an upper side end corner cylinder mounted on the fixed base;
an upper side end press block mounted on the piston rod of the upper side end corner cylinder, the upper side end press block adapted to be driven by the upper side end corner cylinder to press against the end of the upper side of the cantilever beam specimen.
Further, in order to realize the simultaneous processing of two groups of cantilever beam samples and improve the processing efficiency, the cantilever beam sample milling groove positioning tool is used for the milling groove positioning of the two cantilever beam samples, and the inner side surface pressing assemblies share one; wherein, the first and the second end of the pipe are connected with each other,
the medial surface compresses tightly the subassembly and includes:
the two clamping jaws of the bidirectional clamp are suitable for respectively pressing the inner side faces of the corresponding cantilever beam samples when the bidirectional clamp is driven;
the clamp driving piece is connected with the driving block of the bidirectional clamp to move the driving block up and down, and the two clamping jaws are matched with the driving block to move oppositely or move back to back when the driving block moves up and down.
Furthermore, the base block, the left side face positioning assembly, the right side face positioning assembly and the upper side face pressing component are correspondingly provided with two.
Further, for carrying the tool conveniently, a lifting lug is arranged on the fixed base.
Further, in order to fix the tool on the machine tool conveniently, at least one fixing component is arranged on the fixing base and comprises a screw clamped on the fixing base and a positioning block connected to the screw through threads.
By adopting the technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses in, come lateral surface and the downside of butt cantilever beam sample through the base block, realize the location of the lateral surface and the downside of cantilever beam sample, confirm the coordinate system, compress tightly the medial surface of cantilever beam sample through the medial surface, come the location that the left surface of butt cantilever beam sample realized the left surface of cantilever beam sample through the left surface locating component, compress tightly the right flank of cantilever beam sample through the right flank locating component, compress tightly the upper flank of cantilever beam sample through the upper flank compression part, thereby realize the location of six degrees of freedom directions of cantilever beam sample, thereby fix the sample well, then mill the groove to the cantilever beam sample, need not all fix a position the tool setting before processing at every turn, machining efficiency and machining precision are improved;
2. the utility model discloses still cooperate the location processing that realizes once two cantilever beam samples through two-way clamp and other compress tightly the subassembly or compress tightly the part, improved machining efficiency greatly.
Drawings
FIG. 1 is a schematic structural view of the cantilever beam sample milling groove positioning tool of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is the utility model discloses a cantilever beam sample milling flutes location frock's stereogram.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1-4, a cantilever beam sample milling flutes positioning tool includes:
a fixed base 1;
the base block 2 is used for abutting against the outer side face and the lower side face of the cantilever beam sample 100, and the base block 2 is installed on the fixed base 1;
an inner side pressing component which is driven to press the inner side of the cantilever sample 100;
a left side positioning component for abutting against the left side of the cantilever beam sample 100;
a right lateral positioning component for being actuated to press against the right lateral surface of the cantilever test piece 100;
an upper side pressing member for being driven to press the upper side of the cantilever test piece 100.
Specifically, as shown in fig. 3, the left lateral positioning assembly may be of the following structure, including:
a left block 3 mounted on the base block 2;
and a fixed plunger 4 mounted on the left block 3 and adapted to abut the left side of the cantilever test piece 100.
In this embodiment, the left side block 3 may be mounted on the base block 2 by a screw, the fixed plunger 4 may be fixed on the left side block 3 by a nut, and the position of the fixed plunger 4 may be adjusted by screwing the position of the nut.
Specifically, as shown in fig. 3, the right lateral positioning assembly may be of the following structure, including:
a right block 5 mounted on the base block 2;
a movable plunger 6 mounted on the right block 5 and adapted to be actuated to press against the right side of the cantilever test piece 100;
in the present embodiment, the right side block 5 may also be mounted on the base block 2 by screws; the movable plunger 6 may be mounted on the right block 5 by a nut. The cantilever beam sample 100 is pressed or loosened by rotating the movable plunger 6, and the processing of samples with different sizes can be accommodated.
In this embodiment, the base block 2 passes through the lateral surface and the downside of butt cantilever beam sample 100, and the left surface of rethread fixed plunger 4 butt cantilever beam sample 100 to confirm the coordinate system, can realize the accurate location to cantilever beam sample 100, the rethread medial surface compresses tightly the subassembly, go up the lateral surface and compress tightly the part and press from both sides it, thereby realize the injecing to six degrees of freedom of cantilever beam sample 100, need not carry out the tool setting before processing at every turn, guaranteed that the machining precision has also improved machining efficiency.
As shown in fig. 2 to 4, the upper side pressing part may include:
an upper lateral middle hold-down assembly for being actuated to hold down the middle of the upper lateral side of the cantilever beam specimen 100;
and an upper side end hold down assembly for being actuated to hold down an end of the upper side of the cantilever beam sample 100;
of course, the upper side pressing member may include only any one of them in a specific machining process, depending on specific operating conditions.
Specifically, as shown in fig. 3 and 4, the upper middle pressing assembly may have the following structure including:
an upper side middle corner cylinder 7 arranged on the fixed base 1;
an upper lateral central pressing block 8 mounted on the piston rod of the upper lateral central corner cylinder 7, the upper lateral central pressing block 8 being adapted to be driven by the upper lateral central corner cylinder 7 to press the middle of the upper lateral side of the cantilever beam specimen 100.
In this embodiment, the upper middle corner cylinder 7 operates to drive the piston rod to rotate first and then swing downward, and the upper middle pressing block 8 on the piston rod swings downward to compress the cantilever sample 100, and when the sample needs to be loosened, the piston rod is driven to swing upward first and then rotate to loosen the cantilever sample 100.
Specifically, as shown in fig. 2-4, the upper side end hold down assembly may be of a construction comprising:
an upper side end corner cylinder 9 mounted on the fixed base 1;
an upper side end block 10 mounted on the piston rod of the upper side end corner cylinder 9, the upper side end block 10 being adapted to be driven by the upper side end corner cylinder 9 to compress the end of the upper side of the cantilever beam specimen 100.
In the embodiment, the upper side end corner cylinder 9 works to drive the piston rod to retract outwards, the upper side end pressing block 10 on the piston rod also acts, then the piston rod rotates to drive the upper side end pressing block 10 to rotate, and when the piston rod moves to the end position of the sample, the upper side end pressing block 10 is rotated to press the end part of the upper side of the cantilever beam sample 100; when the cantilever beam test piece 100 needs to be loosened, the piston rod is driven to swing firstly, so that the pressing block 10 at the end part of the upper side surface is separated from the end part of the upper side surface of the cantilever beam test piece 100, and then the piston rod is extended.
As shown in fig. 1 to 4, in this embodiment, the cantilever sample groove milling positioning tool is used for positioning the groove milling of two cantilever samples 100, and the inner side pressing assemblies share one groove milling positioning tool.
In this embodiment, the specific structures of the upper side middle corner cylinder 7 and the upper side end corner cylinder 9 are well known to those skilled in the art, and they can achieve both the extension and the retraction of the corresponding piston rod and the rotation of the corresponding piston rod, and the detailed description thereof is omitted in this embodiment.
Specifically, as shown in fig. 2 to 4, the inner side compressing assembly may have the following structure including:
the two-way clamp 11, the two clamping jaws 11a of the two-way clamp 11 are suitable for respectively pressing the inner side surfaces of the corresponding cantilever test pieces 100 when the two-way clamp 11 is driven;
the clamp driving part 12 is connected with the driving block 11b of the bidirectional clamp 11 to move the driving block 11b up and down, and when the driving block 11b moves downwards, the two clamping jaws 11a move back to clamp a sample; when the driving block 11b moves upwards, the two clamping jaws 11a move towards each other to loosen the sample;
the bidirectional clamp 11 can clamp or loosen the samples on two sides simultaneously when acting each time, thereby being convenient and labor-saving.
In the present embodiment, the bidirectional clamp 11 is also called an OK clamp, which is a device known to those skilled in the art, and the structure thereof is not described in detail in the present embodiment.
In this embodiment, the right side positioning unit, the inner side pressing unit, and the upper side pressing unit preferably eliminate the gap between the sample and each surface, thereby improving the machining accuracy.
As shown in fig. 1 to 4, in this embodiment, two base blocks 2, two left side positioning assemblies, two right side positioning assemblies and two upper side pressing components are correspondingly arranged, so that two samples can be simultaneously processed, and the processing efficiency is improved.
As shown in fig. 1 to 4, in the present embodiment, four lifting lugs 13 are provided on the fixed base 1 for the convenience of transportation, and the number of the lifting lugs 13 is not limited thereto.
As shown in fig. 1 to 4, in this embodiment, in order to install the tool of this embodiment on a machine tool, two fixing assemblies are provided on the fixing base 1, and each fixing assembly includes a screw 14 clamped on the fixing base and a positioning block 15 screwed on the screw 14.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a cantilever beam sample milling flutes location frock which characterized in that includes:
a fixed base (1);
a base block (2) for abutting against the outer side and/or the lower side of the cantilever beam sample (100), the base block (2) being mounted on the fixed base (1);
the inner side pressing component is used for being driven to press the inner side of the cantilever beam sample (100);
a left side positioning component used for abutting against the left side of the cantilever beam sample (100);
a right side positioning assembly for being actuated to press against the right side of the cantilever beam specimen (100);
an upper side pressing member for being driven to press the upper side of the cantilever sample (100).
2. The cantilever beam sample groove milling positioning tool of claim 1,
the left side locating component comprises:
a left side block (3) mounted on the base block (2);
and a fixed plunger (4) which is mounted on the left side block (3) and is used for abutting against the left side surface of the cantilever beam sample (100).
3. The cantilever beam sample groove milling positioning tool of claim 1,
the right side positioning assembly comprises:
a right block (5) mounted on the base block (2);
and a movable plunger (6) mounted on the right block (5) and adapted to be actuated to press against the right side of the cantilever test piece (100).
4. The cantilever beam sample groove milling positioning tool of claim 1,
the upper side pressing member includes:
an upper lateral middle hold down assembly for being actuated to hold down a middle of an upper lateral of the cantilever test piece (100);
and/or an upper side end hold down assembly for being actuated to hold down an end of an upper side of the cantilever beam sample (100).
5. The cantilever beam sample milling groove positioning tool of claim 4,
go up side middle part and compress tightly the subassembly and include:
an upper side middle corner cylinder (7) arranged on the fixed base (1);
an upper side middle pressing block (8) mounted on a piston rod of the upper side middle corner cylinder (7), wherein the upper side middle pressing block (8) is suitable for being driven by the upper side middle corner cylinder (7) to press the middle of the upper side of the cantilever beam sample (100).
6. The cantilever beam sample groove milling positioning tool of claim 4,
the upper side end hold down assembly includes:
an upper side end part corner cylinder (9) arranged on the fixed base (1);
an upper side end press block (10) mounted on the piston rod of the upper side end corner cylinder (9), the upper side end press block (10) being adapted to be driven by the upper side end corner cylinder (9) to press against the end of the upper side of the cantilever beam specimen (100).
7. The cantilever beam sample milling groove positioning tool of claim 1,
the cantilever beam sample milling groove positioning tool is used for positioning the milling grooves of two cantilever beam samples (100), and the inner side surface pressing assemblies share one; wherein the content of the first and second substances,
the medial surface compresses tightly the subassembly and includes:
the two-way clamp (11), the two clamping jaws (11 a) of the two-way clamp (11) are suitable for respectively pressing the inner side surfaces of the corresponding cantilever beam samples (100) when the two-way clamp (11) is driven;
the clamp driving piece (12) is connected with a driving block (11 b) of the bidirectional clamp (11) to move the driving block (11 b) up and down, and the two clamping jaws (11 a) are matched with the driving block (11 b) to move oppositely or move backwards when the driving block (11 b) moves up and down.
8. The cantilever beam sample milling groove positioning tool of claim 7,
the base block (2), the left side face positioning assembly, the right side face positioning assembly and the upper side face pressing component are correspondingly provided with two.
9. The cantilever beam sample groove milling positioning tool of claim 1,
and a lifting lug (13) is arranged on the fixed base (1).
10. The cantilever beam sample milling groove positioning tool of claim 1,
the fixing device is characterized in that at least one fixing component is arranged on the fixing base (1), and the fixing component comprises a screw (14) clamped on the fixing base and a positioning block (15) connected to the screw (14) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222015443.0U CN217913034U (en) | 2022-08-01 | 2022-08-01 | Cantilever beam sample milling flutes location frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222015443.0U CN217913034U (en) | 2022-08-01 | 2022-08-01 | Cantilever beam sample milling flutes location frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217913034U true CN217913034U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222015443.0U Active CN217913034U (en) | 2022-08-01 | 2022-08-01 | Cantilever beam sample milling flutes location frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217913034U (en) |
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2022
- 2022-08-01 CN CN202222015443.0U patent/CN217913034U/en active Active
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