CN217845786U - Positioning and clamping device for dotting tensile sample - Google Patents
Positioning and clamping device for dotting tensile sample Download PDFInfo
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- CN217845786U CN217845786U CN202221331216.2U CN202221331216U CN217845786U CN 217845786 U CN217845786 U CN 217845786U CN 202221331216 U CN202221331216 U CN 202221331216U CN 217845786 U CN217845786 U CN 217845786U
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Abstract
The utility model discloses a tensile sample is got ready and is used location clamping device relates to tensile test technical field and includes: the device comprises a base, a first adjusting, positioning and clamping device, a second adjusting, positioning and clamping device, a first positioning and clamping device and a second positioning and clamping device, wherein the first adjusting, positioning and clamping device is connected with the base in a sliding manner; the second positioning and clamping device is arranged on the first adjusting and positioning and clamping device and used for clamping a second end of the sample, and the sample clamped by the first positioning and clamping device and the second positioning and clamping device is positioned right below a needle head of the dotting machine; the first positioning and clamping device and the second positioning and clamping device are adjusted to move oppositely or oppositely to adjust the distance between the first positioning and clamping device and the second positioning and clamping device, so that the device is convenient to operate, and can stably and reliably clamp samples with different shapes and lengths.
Description
Technical Field
The utility model relates to a tensile test technical field especially relates to a tensile sample is got ready and is used location clamping device.
Background
At present, before a tensile test, a material is marked with a dot by positioning, centering and fixing a tensile sample by adopting a V-shaped support, when the material is marked with the dot, the tensile sample is easy to slide and deviate due to the vibration when a mechanical firing pin sequentially impacts the sample, so that the marked dot is in an oblique line, the standard distance between the point and the deviated dot influences the detection precision of the elongation percentage A% after the fracture; especially the sample of plate-type falls down very easily when going on the side and dotting, all need at every turn to be held the sample and just can dotting, often causes the failure of dotting, and repeated dotting is difficult to distinguish effectual mark of dotting when measuring disconnected back gauge length behind the tensile test, influences the detection precision and the efficiency of experiment, the utility model aims at providing a tensile sample is dotted and is used location clamping device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tensile sample is got ready and is used location clamping device to solve the problem that above-mentioned prior art exists, convenient operation, the centre gripping sample is reliable and stable and can the centre gripping sample of different shapes and length.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a tensile sample is got ready and is used location clamping device, include: the dotting machine comprises a base, a first adjusting, positioning and clamping device, a second adjusting, positioning and clamping device, a first positioning and clamping device and a second positioning and clamping device, wherein a connecting piece is arranged on the base and used for fixedly connecting the base with the dotting machine; the first adjusting, positioning and clamping device is connected with the base in a sliding manner, and the sliding direction of the first adjusting, positioning and clamping device is the same as the arrangement direction of the needles of the dotting machine; the second adjusting, positioning and clamping device has the same structure as the first adjusting, positioning and clamping device, is connected with the base in a sliding manner, and has the opposite sliding direction to the first adjusting, positioning and clamping device; the first positioning and clamping device is arranged on the first adjusting and positioning and clamping device and is used for clamping a first end of a sample; the second positioning and clamping device has the same structure as the first positioning and clamping device, the second positioning and clamping device is arranged on the first adjusting positioning and clamping device and is used for clamping a second end of the sample, and the sample clamped by the first positioning and clamping device and the second positioning and clamping device is positioned right below a needle head of the dotting machine; the first adjusting positioning and clamping device and the second adjusting positioning and clamping device move towards or away from each other, so that the distance between the first positioning and clamping device and the second positioning and clamping device can be adjusted, and the length of the sample can be adapted.
Preferably, the first positioning and clamping device includes a first forward and reverse rotation screw rod, a first sample clamping block, and a second sample clamping block, the first forward and reverse rotation screw rod passes through each first nut and is connected with each first nut in a threaded manner, the first forward and reverse rotation screw rod in threaded connection with each first nut is arranged on each first sample clamping block and each second sample clamping block, the length direction of the first forward and reverse rotation screw rod in threaded connection with each first nut is perpendicular to the sliding direction of the first positioning and clamping device, the first forward and reverse rotation screw rod is rotated to enable the first sample clamping block and the second sample clamping block to move in opposite directions or in opposite directions, the first sample clamping block and the second sample clamping block move in opposite directions to clamp the first end of the sample, and the first sample clamping block and the second sample clamping block can move in opposite directions to release the first end of the sample.
Preferably, first protrusions are disposed on two sides of each of the first type clamping block and the second type clamping block, first grooves are disposed on two sides of each of the first adjusting positioning and clamping devices, each of the first protrusions is correspondingly inserted into the adjacent first groove, and the first type clamping block and the second type clamping block can slide relative to the first adjusting positioning and clamping device by rotating the first forward and reverse rotation screw rod to enable each of the first protrusions to slide along the inserted first groove.
Preferably, the first positioning and clamping device further comprises a circular rotating hand wheel, and the circular rotating hand wheel is fixedly arranged at one end, far away from the second type clamping block, of the first forward and reverse rotation screw rod.
Preferably, both sides of the base are provided with a second groove and a third groove, both sides of the first adjusting, positioning and clamping device and the second adjusting, positioning and clamping device are provided with a second protrusion and a third protrusion, and each of the second protrusion and the third protrusion is used for being inserted into the adjacent second groove and third groove to enable the first adjusting, positioning and clamping device and the second adjusting, positioning and clamping device to be connected with the base in a sliding manner.
Preferably, the device further comprises a second forward and reverse rotation screw rod, wherein second nuts matched with the second forward and reverse rotation screw rod are arranged on the first adjusting, positioning and clamping device and the second adjusting, positioning and clamping device, the second forward and reverse rotation screw rod penetrates through the second nuts to be in threaded connection with the second nuts, and the first adjusting, positioning and clamping device and the second adjusting, positioning and clamping device can move in opposite directions or in opposite directions by rotating the second forward and reverse rotation screw rod.
Preferably, the handle is further included, and the handle is fixedly arranged at one end, far away from the base, of the second forward and reverse rotating screw rod.
The utility model also provides a dotting machine, include as above a tensile sample for in the dotting machine dotting with location clamping device.
The utility model discloses for prior art gain following technological effect:
the utility model relates to a tensile sample is got ready and is used location clamping device can get ready quick-witted fixed connection with various machinery or electronic getting ready through setting up the connecting piece on the base, can press from both sides the both ends of tight sample through having set up first positioning clamping device and second positioning clamping device, can satisfy the tensile sample of various shapes such as circular and plate-type and get ready, and adapt to the length of test piece through adjusting first adjustment positioning clamping device and second adjustment positioning clamping device, can make the sample after pressing from both sides tightly can be in getting ready under the quick-witted syringe needle, make the point the same with the standard interval between the point, this device is reliable and stable, moreover, the steam generator is simple in structure, and convenient operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of a positioning and clamping device for dotting a tensile sample provided by the present invention;
fig. 2 is a side view of a positioning and clamping device for dotting a tensile sample provided by the present invention;
fig. 3 is a top view of a first adjusting positioning clamping device in the positioning clamping device for dotting a tensile sample provided by the present invention;
fig. 4 is a side view of a first adjusting positioning clamping device in the positioning clamping device for dotting a tensile sample provided by the utility model;
in the figure: 1. a base; 2. a first adjusting, positioning and clamping device; 3. a second adjusting, positioning and clamping device; 4. A second positioning and clamping device; 5. a first positioning and clamping device; 6. a connecting member; 7. a second forward and reverse rotation screw rod; 8. a handle; 9. a third protrusion; 10. a first forward and reverse rotation lead screw; 11. a first type clamp block; 12. a second style clamp block; 13. a circular rotating hand wheel; 14. a second protrusion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a tensile sample is got ready and is used location clamping device to solve the problem that above-mentioned prior art exists, convenient operation, the centre gripping sample is reliable and stable and can the centre gripping sample of different shapes and length.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
The present embodiment provides a positioning and clamping device for dotting a tensile sample, as shown in fig. 1 to 4, comprising: the dotting machine comprises a base 1, a first adjusting, positioning and clamping device 2, a second adjusting, positioning and clamping device 3, a first positioning and clamping device 5 and a second positioning and clamping device 4, wherein a connecting piece 6 is arranged on the base 1, and the connecting piece 6 is used for fixedly connecting the base 1 with the dotting machine; the first adjusting, positioning and clamping device 2 is connected with the base 1 in a sliding manner, and the sliding direction of the first adjusting, positioning and clamping device 2 is the same as the arrangement direction of the needles of the dotting machine; the second adjusting, positioning and clamping device 3 is connected with the base 1 in a sliding manner, and the sliding direction of the second adjusting, positioning and clamping device 3 is opposite to that of the first adjusting, positioning and clamping device 2; the first positioning and clamping device 5 is arranged on the first adjusting and positioning and clamping device 2 and is used for clamping a first end of a sample; the second positioning and clamping device 4 and the first positioning and clamping device 5 have the same structure, the second positioning and clamping device 4 is arranged on the first adjusting and positioning and clamping device 2 and used for clamping a second end of a sample, and the sample clamped by the first positioning and clamping device 5 and the second positioning and clamping device 4 is positioned right below a needle head of the dotting machine; the distance between the first positioning and clamping device 5 and the second positioning and clamping device 4 can be adjusted by the opposite or opposite movement of the first positioning and clamping device 2 and the second positioning and clamping device 3, so that the length of a sample can be adapted, the fixed connection with various mechanical or electric dotting machines can be realized through the connecting piece 6 arranged on the base 1, the two ends of the sample can be clamped through the first positioning and clamping device 5 and the second positioning and clamping device 4, the dotting of the tensile sample in various shapes such as a round shape, a plate shape and the like can be met, the length of the sample can be adapted by adjusting the first positioning and clamping device 2 and the second positioning and clamping device 3, the clamped sample can be positioned under a needle head of the dotting machine, and the standard distance between the point and the point is the same.
Preferably, the first positioning and clamping device 5 includes a first forward and reverse rotation screw 10, a first clamping block 11 and a second clamping block 12, the first clamping block 11 and the second clamping block 12 are slidably connected to the first adjusting and positioning device 2, each of the first clamping block 11 and the second clamping block 12 is provided with a first nut matching with the forward and reverse rotation screw, the first forward and reverse rotation screw 10 passes through each first nut and is threadedly connected to each first nut, the length direction of the first forward and reverse rotation screw 10 threadedly connected to each first nut is perpendicular to the sliding direction of the first adjusting and positioning device 2, the first forward and reverse rotation screw 10 can be rotated to move the first clamping block 11 and the second clamping block 12 in opposite directions, the first clamping block 11 and the second clamping block 12 can be moved in opposite directions to clamp the first end of the test piece, the first clamping block 11 and the second clamping block 12 can be moved in opposite directions to loosen the first end of the test piece, the structure can be simply adjusted to loosen the first clamping block 10 and the first clamping block 12 to be adjusted to clamp the test piece in a wide shape and a wide sample.
Preferably, first protrusions are arranged on two sides of each of the first type clamping block 11 and the second type clamping block 12, first grooves are arranged on two sides of each of the first adjusting positioning and clamping devices 2, each first protrusion is correspondingly inserted into the adjacent first groove, and each first protrusion can slide along the inserted first groove by rotating the first forward and reverse rotation screw rod 10, so that the first type clamping block 11 and the second type clamping block 12 can slide relative to the first adjusting positioning and clamping devices 2.
Preferably, the first positioning and clamping device 5 further comprises a circular rotating hand wheel 13, the circular rotating hand wheel 13 is fixedly arranged at one end, far away from the second style clamping block 12, of the first forward and reverse rotation screw rod 10, and the hand wheel is convenient to arrange and use.
Preferably, both sides of the base 1 are provided with a second groove and a third groove, both sides of the first adjusting, positioning and clamping device 2 and the second adjusting, positioning and clamping device 3 are provided with a second protrusion 14 and a third protrusion 9, each second protrusion 14 and each third protrusion 9 are inserted into the adjacent second groove and third groove to enable the first adjusting, positioning and clamping device 2 and the second adjusting, positioning and clamping device 3 to be in sliding connection with the base 1, and the first adjusting, positioning and clamping device 2 and the second adjusting, positioning and clamping device 3 can be kept stable through the arrangement of the second groove and the third groove corresponding to the second protrusion 14 and the third protrusion 9, so that the standard distance between a point and a test piece is kept the same in the dotting process.
Preferably, the adjusting and positioning device further comprises a second forward and reverse rotating lead screw 7, second nuts matched with the second forward and reverse rotating lead screw are arranged on the first adjusting, positioning and clamping device 2 and the second adjusting, positioning and clamping device, the second forward and reverse rotating lead screw 7 penetrates through each second nut and is in threaded connection with each second nut, the first adjusting, positioning and clamping device 2 and the second adjusting, positioning and clamping device 3 can move oppositely or oppositely by rotating the second forward and reverse rotating lead screw 7, and the structural design is simple.
Preferably, still include handle 8, handle 8 is fixed to be set up in the second just derotation lead screw 7 and keeps away from the one end of base 1, conveniently adjusts and removes first adjustment positioning clamping device 2 and second adjustment positioning clamping device 3.
Example two
The present embodiment also provides a dotting machine, including any one of the positioning and clamping devices for dotting a tensile specimen in the dotting machine of the embodiments.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. The utility model provides a tensile sample is got ready and is used location clamping device which characterized in that: the method comprises the following steps:
the dotting machine comprises a base, wherein a connecting piece is arranged on the base and used for fixedly connecting the base with the dotting machine;
the first adjusting, positioning and clamping device is connected with the base in a sliding mode, and the sliding direction of the first adjusting, positioning and clamping device is the same as the arrangement direction of the needles of the dotting machine;
the second adjusting, positioning and clamping device has the same structure as the first adjusting, positioning and clamping device, is connected with the base in a sliding manner, and has the opposite sliding direction to the first adjusting, positioning and clamping device;
the first positioning and clamping device is arranged on the first adjusting and positioning and clamping device and is used for clamping a first end of a sample;
the second positioning and clamping device has the same structure as the first positioning and clamping device, the second positioning and clamping device is arranged on the first adjusting positioning and clamping device and is used for clamping a second end of the sample, and the sample clamped by the first positioning and clamping device and the second positioning and clamping device is positioned right below a needle head of the dotting machine;
the first adjusting positioning and clamping device and the second adjusting positioning and clamping device move towards or away from each other, so that the distance between the first positioning and clamping device and the second positioning and clamping device can be adjusted, and the length of the sample can be adapted.
2. The positioning and clamping device for dotting tensile specimens as claimed in claim 1, wherein: the first positioning and clamping device comprises a first forward and reverse rotation screw rod, a first sample clamping block and a second sample clamping block, the first sample clamping block and the second sample clamping block are slidably connected with the first adjusting and positioning and clamping device, a first nut matched with the first forward and reverse rotation screw rod is arranged on each first sample clamping block and each second sample clamping block, the first forward and reverse rotation screw rod penetrates through each first nut and is in threaded connection with each first nut, the length direction of the first forward and reverse rotation screw rod in threaded connection with each first nut is perpendicular to the sliding direction of the first adjusting and positioning and clamping device, the first forward and reverse rotation screw rod can be rotated to enable the first sample clamping block and the second sample clamping block to move oppositely or oppositely, the first sample clamping block and the second sample clamping block can move oppositely to clamp a first end of the sample, and the first sample clamping block and the second sample clamping block can move oppositely to release the first end of the sample.
3. The positioning and clamping device for dotting tensile specimens as claimed in claim 2, wherein: first protrusions are arranged on two sides of each of the first type clamping block and the second type clamping block, first grooves are arranged on two sides of each of the first adjusting, positioning and clamping devices, each first protrusion is correspondingly inserted into the adjacent first groove, and the first protrusion can slide along the inserted first groove by rotating the first forward and reverse rotation screw rod, so that the first type clamping block and the second type clamping block can slide relative to the first adjusting, positioning and clamping devices.
4. The positioning and clamping device for dotting the tensile sample according to claim 3, wherein: the first positioning and clamping device further comprises a circular rotating hand wheel, and the circular rotating hand wheel is fixedly arranged at one end, far away from the second type clamping block, of the first forward and reverse rotation screw rod.
5. The positioning and clamping device for dotting tensile specimens as claimed in claim 1, wherein: the both sides of base all are provided with second recess and third recess, first adjustment location clamping device and second adjustment location clamping device's both sides are provided with the second arch and the third arch, respectively the second arch with the third arch is adjacent with inserting the second recess with the third recess makes first adjustment location clamping device and second adjustment location clamping device with base sliding connection.
6. The positioning and clamping device for dotting tensile specimens as claimed in claim 1, wherein: the first adjusting positioning and clamping device and the second adjusting positioning and clamping device are in threaded connection with the first nut, and the first adjusting positioning and clamping device and the second adjusting positioning and clamping device can move oppositely or oppositely by rotating the second forward and reverse screw rod.
7. The positioning and clamping device for dotting tensile specimens as claimed in claim 6, wherein: still include the handle, the handle fixed set up in the second is just reversing the lead screw and is kept away from the one end of base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221331216.2U CN217845786U (en) | 2022-05-30 | 2022-05-30 | Positioning and clamping device for dotting tensile sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221331216.2U CN217845786U (en) | 2022-05-30 | 2022-05-30 | Positioning and clamping device for dotting tensile sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217845786U true CN217845786U (en) | 2022-11-18 |
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ID=84021832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221331216.2U Active CN217845786U (en) | 2022-05-30 | 2022-05-30 | Positioning and clamping device for dotting tensile sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217845786U (en) |
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2022
- 2022-05-30 CN CN202221331216.2U patent/CN217845786U/en active Active
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