CN209927590U - Clamping device of tensile testing machine - Google Patents
Clamping device of tensile testing machine Download PDFInfo
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- CN209927590U CN209927590U CN201821891891.4U CN201821891891U CN209927590U CN 209927590 U CN209927590 U CN 209927590U CN 201821891891 U CN201821891891 U CN 201821891891U CN 209927590 U CN209927590 U CN 209927590U
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- rod
- clamping device
- movable table
- testing machine
- tensile testing
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- 238000009864 tensile test Methods 0.000 title claims abstract description 26
- 230000000694 effects Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 11
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a tensile test machine's clamping device, including base and movable table, the equal fixed mounting in four corners at base top has the bracing piece, and the top fixed mounting of bracing piece has the roof, and the roof fixed mounting of roof has the pneumatic cylinder, the top fixed mounting of base has the workstation, the equal fixed mounting in both ends has the slider around the movable table left and right sides, the roof fixed mounting of movable table has the connecting rod, the equal fixed mounting in inner chamber of workstation and the relative one side of movable table has servo motor, servo motor's output shaft fixedly connected with threaded rod, and the outside threaded connection of threaded rod has the piece of accepting, and the left and right sides of accepting the piece all articulates through the fixed axle has the pole of accepting, and the one side that the piece of accepting was kept away from to the pole. This tensile test machine's clamping device, overall structure is simple, realizes the firm purpose of clamping device centre gripping, has improved the precision of test data, facilitates the use.
Description
Technical Field
The utility model relates to a clamping device technical field specifically is a tensile test machine's clamping device.
Background
The tensile testing machine is also called a material tensile testing machine and a universal tensile strength testing machine, and is a new generation of mechanical testing equipment integrating computer control, automatic measurement, data acquisition, screen display and test result processing.
Tensile testing machine wide application is examined in measurement quality, rubber and plastic, metallurgical steel, machine-building, electronic apparatus, automobile production, wire and cable, packaging material, other trades such as food and petrochemical, the tensile testing machine variety on the market is various, tensile testing machine need be with the firm centre gripping of object on tensile testing machine's clamping device before testing object tensile, current clamping device has the unstable defect of centre gripping, thereby the complexity when having increased tensile testing machine test, the precision of test data has been reduced, inconvenient use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tensile testing machine's clamping device to there is the unstable defect of centre gripping in the current clamping device who proposes in solving above-mentioned background art, thereby complexity when having increased tensile testing machine test has reduced the precision of test data, the problem of inconvenient use.
In order to achieve the above object, the utility model provides a following technical scheme: a clamping device of a tensile testing machine comprises a base and a movable table, wherein supporting rods are fixedly arranged at four corners of the top of the base, a top plate is fixedly arranged at the top of each supporting rod, a hydraulic cylinder is fixedly arranged at the top of the top plate, a workbench is fixedly arranged at the top of the base, sliding blocks are fixedly arranged at the front end and the rear end of the left side and the right side of the movable table, a connecting rod is fixedly arranged at the top of the movable table, a servo motor is fixedly arranged in an inner cavity on one side, opposite to the workbench, of the workbench and the movable table, a threaded rod is fixedly connected with an output shaft of the servo motor, a bearing block is in threaded connection with the outer side of the threaded rod, bearing rods are hinged to the left side and the right side of the bearing block through fixed shafts, one side, far away from the bearing block, of each, the equal fixed mounting in the opposite one side of fixed spring has one end to run through and extend to the fixed plate in the connecting block outside, and the equal fixed mounting in the opposite one side of fixed plate has the lug.
Preferably, the outside fixed mounting of pneumatic cylinder has the support frame, the bottom of support frame and the top fixed connection of bottom plate.
Preferably, the number of the sliding blocks is four, the number of the supporting rods is four, and the sliding blocks are connected with the supporting rods in a sliding mode.
Preferably, the top of the connecting rod penetrates through the top plate and is fixedly connected with the hydraulic cylinder, and the hydraulic cylinder is fixedly connected with the movable table through the connecting rod.
Preferably, the opposite side of threaded rod runs through respectively and extends to the top of workstation and the bottom of activity platform, the equal fixed mounting in the opposite side of threaded rod has the limiting plate.
Preferably, the top of the clamping rod is hinged with the bottom of the movable table through a connecting shaft, and the bottom of the clamping rod is hinged with the top of the workbench through a connecting shaft.
Compared with the prior art, the beneficial effects of the utility model are that: the clamping device of the tensile testing machine extends a part of the back of the fixed plates into the connecting block through the elasticity characteristic of the fixed spring, an object to be detected is placed between the two fixed plates, then the object is clamped and fixed through the rebounding force of the fixed spring, the forward and reverse rotation of the threaded rod is driven through the forward and reverse rotation of the servo motor, the threaded rod is in threaded connection with the bearing block, the bearing block is limited by the bearing rod and the clamping rod together, the bearing block does not rotate along with the threaded rod, so that the thread groove formed in the inner side of the bearing block is contacted with the thread on the outer side of the threaded rod and is staggered to generate displacement, the height position of the bearing block is adjusted, when the upper and the lower bearing blocks approach to the corresponding servo motor, the angle between the bearing rod and the clamping rod is changed, the clamping distance between the two clamping rods is reduced, and the middle object is stably clamped, the secondary clamping and fixing work of the object is realized, the whole structure is simple, the purpose of stable clamping of the clamping device is realized, the precision of test data is improved, and the use is convenient.
Drawings
Fig. 1 is a schematic structural view of a clamping device of a tensile testing machine according to the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1 of a clamping device of a tensile testing machine according to the present invention.
In the figure: 1-a base; 2-a support rod; 3-a top plate; 4-a hydraulic cylinder; 5-a workbench; 6-a movable table; 7-a slide block; 8-a connecting rod; 9-a servo motor; 10-a threaded rod; 11-a bearing block; 12-a bolster; 13-a clamping rod; 14-connecting blocks; 15-a fixed spring; 16-a fixed plate; 17-bump.
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.
Referring to fig. 1 and fig. 2, the present invention provides an embodiment: a clamping device of a tensile testing machine comprises a base 1 and a movable table 6, wherein supporting rods 2 are fixedly arranged at four corners of the top of the base 1, a top plate 3 is fixedly arranged at the top of each supporting rod 2, a hydraulic cylinder 4 is fixedly arranged at the top of the top plate 3, the type of the hydraulic cylinder 4 can be CX-SD32X40, a workbench 5 is fixedly arranged at the top of the base 1, sliders 7 are fixedly arranged at the front end and the rear end of each of the left side and the right side of the movable table 6, a connecting rod 8 is fixedly arranged at the top of the movable table 6, a servo motor 9 is fixedly arranged in an inner cavity of one side, opposite to the workbench 5 and the movable table 6, the type of the servo motor 9 can be ACSM130-G10015LZ, a threaded rod 10 is fixedly connected with an output shaft of the servo motor 9, a bearing block 11 is in threaded connection with the outer side of the threaded rod 10, a threaded groove matched with threads on, one side of the bearing rod 12, which is far away from the bearing block 11, is hinged with a clamping rod 13 through a fixing shaft, one side, opposite to the clamping rod 13, is hinged with a connecting block 14 through a connecting shaft, an inner cavity, close to the clamping rod 13, of the connecting block 14 is fixedly provided with a fixing spring 15, when the fixing spring 15 is in a natural elastic state, two fixing plates 16 are in a contact state, one side, opposite to the fixing spring 15, is fixedly provided with a fixing plate 16, one end of the fixing plate 16 penetrates through and extends to the outer side of the connecting block 14, the volume of the inner cavity of the connecting block 14 is matched with the volume of the fixing plate 16, the fixing plate 16 is in sliding connection with the connecting block 14, one side, opposite to the fixing plate 16, is fixedly provided with a lug 17, the friction force for connecting the fixing plate 16 and an object is increased through the arrangement of the lugs 17, the separation of, an object to be detected is placed between two fixing plates 16, then the object is clamped and fixed by the rebounding force of a fixing spring 15, the positive and negative rotation of a threaded rod 10 is driven by the positive and negative rotation of a servo motor 9, the threaded rod 10 is in threaded connection with a bearing block 11, and the positions of the bearing block 11 are limited by a bearing rod 12 and a clamping rod 13 together, so that the bearing block 11 cannot rotate along with the threaded rod 10, a thread groove formed in the inner side of the bearing block 11 is in contact with threads on the outer side of the threaded rod 10 and is staggered to generate displacement, the height position of the bearing block 11 is adjusted, when the upper and the lower bearing blocks 11 approach to the corresponding servo motor 9, the angle between the bearing rod 12 and the clamping rod 13 is changed, the clamping distance between the two clamping rods 13 is reduced, the middle object is stably clamped, and the secondary clamping and fixing work of the object is realized, overall structure is simple, realizes the firm purpose of clamping device centre gripping, has improved the precision of test data, facilitates the use.
The outside fixed mounting of pneumatic cylinder 4 has the support frame, the bottom of support frame and the top fixed connection of bottom plate 3, the quantity of slider 7 is four, the quantity of bracing piece 2 is four, slider 7 and 2 sliding connection of bracing piece, roof 3 and pneumatic cylinder 4 fixed connection are run through at the top of connecting rod 8, pneumatic cylinder 4 passes through connecting rod 8 and the 6 fixed connection of movable table, threaded rod 10 relative one side is run through respectively and is extended to the top of workstation 5 and the bottom of movable table 6, the equal fixed mounting in one side that the threaded rod 10 is relative has the limiting plate, through setting up the limiting plate, adjust to the position of bearing piece 11 spacing, prevent the separation of bearing piece 11 and threaded rod 10, the top that is located top supporting rod 13 is articulated through the bottom of connecting axle and movable table 6, the bottom that is located bottom supporting rod 13 is articulated through the top of connecting axle and workstation 5.
The working principle is as follows: through opening pneumatic cylinder 4, the high distance between regulation workstation 5 and the movable table 6 makes it conveniently carry out the installation centre gripping of object, then top and the bottom that will detect the object are placed respectively between upper and lower two pairs of fixed plates 16, the joint that realizes the object through the power of fixed spring 15 bounce-back is fixed, rotation through servo motor 9 drives the rotation of threaded rod 10, thereby realize the regulation of accepting the piece 11 height, and then the change of angle between having driven accepting bar 12 and supporting rod 13, accepting bar 12 follows the high position of accepting piece 11 and stimulates, make the centre gripping interval between supporting rod 13 reduce, increase the centre gripping dynamics to the object, improve the stability of object centre gripping, then the adjustment of the operation pulling movable table 6 high position through pneumatic cylinder 4, carry out tensile test to the object.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a clamping device of tensile testing machine, includes base (1) and movable table (6), its characterized in that: the four corners at the top of the base (1) are fixedly provided with supporting rods (2), the top of each supporting rod (2) is fixedly provided with a top plate, the top of each top plate is fixedly provided with a hydraulic cylinder (4), the top of the base (1) is fixedly provided with a workbench (5), the front and rear ends of the left side and the right side of the movable table (6) are fixedly provided with sliders (7), the top of the movable table (6) is fixedly provided with a connecting rod (8), the inner cavities of the opposite sides of the workbench (5) and the movable table (6) are fixedly provided with servo motors (9), the output shafts of the servo motors (9) are fixedly connected with threaded rods (10), the outer sides of the threaded rods (10) are in threaded connection with bearing blocks (11), the left side and the right side of each bearing block (11) are hinged with bearing rods (12) through fixing shafts, one side of each bearing rod (12), the opposite side of the clamping rod (13) is hinged with a connecting block (14) through a connecting shaft, the connecting block (14) is close to an inner cavity fixed mounting on one side of the clamping rod (13) and is provided with a fixed spring (15), one end of the opposite side of the fixed spring (15) is fixedly mounted with a fixing plate (16) penetrating through and extending to the outer side of the connecting block (14), and one side of the opposite side of the fixing plate (16) is fixedly mounted with a lug (17).
2. The clamping device of the tensile testing machine according to claim 1, wherein: the outer side of the hydraulic cylinder (4) is fixedly provided with a support frame, and the bottom of the support frame is fixedly connected with the top of the bottom plate.
3. The clamping device of the tensile testing machine according to claim 1, wherein: the number of the sliding blocks (7) is four, the number of the supporting rods (2) is four, and the sliding blocks (7) are connected with the supporting rods (2) in a sliding mode.
4. The clamping device of the tensile testing machine according to claim 1, wherein: the top of connecting rod (8) runs through roof and pneumatic cylinder (4) fixed connection, pneumatic cylinder (4) pass through connecting rod (8) and activity platform (6) fixed connection.
5. The clamping device of the tensile testing machine according to claim 1, wherein: the utility model discloses a set of workstation, including threaded rod (10), the top of workstation (5) and the bottom of activity platform (6) are run through respectively and extend to one side that threaded rod (10) is relative, the equal fixed mounting in one side that threaded rod (10) is relative has the limiting plate.
6. The clamping device of the tensile testing machine according to claim 1, wherein: the top of the clamping rod (13) is hinged to the bottom of the movable table (6) through a connecting shaft, and the bottom of the clamping rod (13) is hinged to the top of the workbench (5) through a connecting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891891.4U CN209927590U (en) | 2018-11-16 | 2018-11-16 | Clamping device of tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821891891.4U CN209927590U (en) | 2018-11-16 | 2018-11-16 | Clamping device of tensile testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209927590U true CN209927590U (en) | 2020-01-10 |
Family
ID=69064219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821891891.4U Expired - Fee Related CN209927590U (en) | 2018-11-16 | 2018-11-16 | Clamping device of tensile testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209927590U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179774A (en) * | 2020-10-22 | 2021-01-05 | 深圳华添达信息技术有限公司 | Mechanical performance testing equipment and method for communication cable sheath |
| CN113063663A (en) * | 2021-03-24 | 2021-07-02 | 江苏大学 | Tensile test mechanics experimental facilities |
| CN113340722A (en) * | 2021-07-01 | 2021-09-03 | 安徽亚太锚链制造有限公司 | Anchor chain tension testing machine convenient to detect and use |
-
2018
- 2018-11-16 CN CN201821891891.4U patent/CN209927590U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179774A (en) * | 2020-10-22 | 2021-01-05 | 深圳华添达信息技术有限公司 | Mechanical performance testing equipment and method for communication cable sheath |
| CN113063663A (en) * | 2021-03-24 | 2021-07-02 | 江苏大学 | Tensile test mechanics experimental facilities |
| CN113340722A (en) * | 2021-07-01 | 2021-09-03 | 安徽亚太锚链制造有限公司 | Anchor chain tension testing machine convenient to detect and use |
| CN113340722B (en) * | 2021-07-01 | 2023-09-01 | 安徽亚太锚链制造有限公司 | Anchor chain tensile testing machine convenient to detect and use |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 |