CN111805450A - Quick clamping device for copper bar tensile test and copper bar tension testing device - Google Patents
Quick clamping device for copper bar tensile test and copper bar tension testing device Download PDFInfo
- Publication number
- CN111805450A CN111805450A CN202010644889.2A CN202010644889A CN111805450A CN 111805450 A CN111805450 A CN 111805450A CN 202010644889 A CN202010644889 A CN 202010644889A CN 111805450 A CN111805450 A CN 111805450A
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- Prior art keywords
- copper bar
- tensile test
- clamping plates
- inner clamping
- clamping
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- 229910052802 copper Inorganic materials 0.000 title claims abstract description 50
- 239000010949 copper Substances 0.000 title claims abstract description 50
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000009864 tensile test Methods 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- YXLXNENXOJSQEI-UHFFFAOYSA-L Oxine-copper Chemical compound [Cu+2].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 YXLXNENXOJSQEI-UHFFFAOYSA-L 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- Physics & Mathematics (AREA)
- 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)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a quick clamping device for a copper bar tensile test and a copper bar tensile test device, which comprise two inner clamping plates and an outer guide sleeve arranged outside the inner clamping plates, wherein the clamping surfaces of the two inner clamping plates are oppositely arranged, and a guide device is also arranged between the two inner clamping plates; the outer surface of the inner clamping plate is obliquely arranged and is provided with a vertically arranged ball groove I, the outer guide sleeve is provided with an inner inclined surface matched with the outer surface of the inner clamping plate, the inner inclined surface is provided with a ball groove II oppositely arranged with the ball groove I, and balls are further arranged between the ball groove I and the ball groove II; the end part of the outer guide sleeve is provided with a transverse plate, and the transverse plate is connected with a tension generating device through an outer pull rod. The inner clamping plates are used for clamping the copper plate through the matching action of the two inclined surfaces, and the two inclined surfaces are connected through the balls, so that the friction force is extremely small, the inner clamping plates are favorable for reliably clamping the copper plate, and the clamping force of the two inner clamping plates on the copper plate is continuously increased along with the increase of the test tensile force.
Description
Technical Field
The invention relates to a quick clamping device for a copper bar tensile test and a copper bar tensile test device, and belongs to the technical field of copper bar tensile test devices.
Background
The copper bar needs to carry out the tensile test after production is accomplished, and for the steel that commonly uses among the prior art, the hardness of copper bar is littleer, and self material takes place the phenomenon of peeling off under the exogenic action easily, consequently takes place the phenomenon of breaking away from because of the too big appearance of pulling force with clamping device very easily in carrying out the tensile test.
Therefore, the clamping device for clamping steel in the prior art cannot be applied to the tension test of the copper bar, and if the traditional clamp is adopted to clamp, the clamping efficiency is lower and time and labor are wasted although the clamping force is guaranteed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a quick clamping device for a copper bar tensile test and a copper bar tensile test device, and solves the technical problem that the tensile test device in the prior art is infirm in clamping.
In order to achieve the above object, the present invention adopts the following technical solutions:
a quick clamping device for a copper bar tensile test comprises two inner clamping plates and an outer guide sleeve arranged outside the inner clamping plates, wherein clamping surfaces of the two inner clamping plates are arranged oppositely, and a guide device is arranged between the two inner clamping plates;
the outer surface of the inner clamping plate is obliquely arranged and is provided with a vertically arranged ball groove I, the outer guide sleeve is provided with an inner inclined surface matched with the outer surface of the inner clamping plate, the inner inclined surface is provided with a ball groove II oppositely arranged with the ball groove I, and balls are further arranged between the ball groove I and the ball groove II;
the end part of the outer guide sleeve is provided with a transverse plate, and the transverse plate is connected with a tension generating device through an outer pull rod.
Preferably, the quick clamping device for the tensile test of the copper bar is characterized in that the guide device is a plurality of guide rods uniformly distributed between two inner clamping plates, springs are sleeved on the outer surfaces of the guide rods, two ends of each spring are respectively connected to the two inner clamping plates, the number of the guide rods is odd and is at least three, and the guide rods in the middle are further connected with the inner driving device through inner pull rods.
Preferably, the inner driving device comprises a first piston, and a piston cylinder matched with the first piston is arranged inside the outer pull rod.
Preferably, according to the quick clamping device for the tensile test of the copper bar, the ball is further connected with the ball support frame.
Preferably, the feeding end of two inner clamping plates is still equipped with the direction section that leans out the setting for quick clamping device is used in copper bar tensile test.
Preferably, in the quick clamping device for testing tensile strength of the copper bar, the clamping surfaces of the two inner clamping plates are further provided with ratchets.
Preferably, the tensile force generating device is a cylinder sleeve, and the outer pull rod is connected to the cylinder sleeve through a second piston.
Preferably, the quick clamping device for testing tensile strength of the copper bar is further provided with a reinforcing rib between the transverse plate and the outer guide sleeve.
A copper bar tensile test device comprises any one of the quick clamping device for the copper bar tensile test.
The invention achieves the following beneficial effects:
the inner clamping plate clamps the copper plate through the cooperation of the two inclined surfaces, and the two inclined surfaces are connected through the balls, so that the friction force is extremely small, and the inner clamping plate is favorable for reliably clamping the copper plate. And as the test tension increases, the clamping force of the two inner clamping plates on the copper plate also continuously increases.
The invention also comprises an inner layer of oil cylinder/air cylinder and an outer layer of oil cylinder/air cylinder, wherein the inner oil cylinder/air cylinder is used for controlling the primary clamping of the inner clamping plate, the outer layer of cylinder sleeve is used for controlling the whole test tension, and the design of the inner layer of oil cylinder/air cylinder and the outer layer of oil cylinder/air cylinder enables the structure of the embodiment to be more compact.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present invention;
FIG. 2 is a front view of the inner splint of the present invention;
the meaning of the reference symbols in the figures: 1-inner splint; 2-outer guide sleeve; 3-rolling balls; 4-a guide rod; 5-an inner pull rod; 6-outer pull rod; 7-cylinder liner; 8-copper plate; 11-a ratchet; 12-ball groove one; 13-a guide section; 21-a ball groove II; 22-a transverse plate; 23-reinforcing ribs; 31-a ball support frame; 41-a spring; 51-a piston one; and 61-piston two.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2: the embodiment discloses a copper bar tensile test is with quick clamping device, including interior splint 1, set up in the outer guide pin bushing 2 of interior splint 1 outside, interior splint 1 has two, and two interior splint 1's clamping face sets up relatively, still is equipped with guider between two interior splint 1, and guider is used for making two interior splint 1 open in step, press from both sides tightly. Wherein, the clamping surfaces of the two inner splints 1 are also provided with ratchets 11, the direction of the ratchets 11 is consistent with that of the pulling force in the normal working process, thus the clamping force can be improved.
The outer surface of the inner clamping plate 1 is obliquely arranged and is provided with a vertically arranged ball groove I12, the outer guide sleeve 2 is provided with an inner oblique surface matched with the outer surface of the inner clamping plate 1, the inner oblique surface is provided with a ball groove II 21 opposite to the ball groove I12, and balls 3 are further arranged between the ball groove I12 and the ball groove II 21; the end part of the outer guide sleeve 2 is provided with a transverse plate 22, and the transverse plate 22 is connected with a tension generating device through an outer pull rod 6.
The guider between two inner splint 1 of this embodiment sets up the guide arm 4 of many equipartitions between two inner splint 1, and spring 41 has been cup jointed to the surface of guide arm 4, and spring 41's both ends are connected respectively in two inner splint 1, and spring 41's effect is used for flicking two inner splint 1, makes inner splint 1 can closely laminate in the inner wall of outer guide pin bushing 2.
The number of the guide rods 4 is odd and at least three, because when only one guide rod 4 is provided, the two inner clamping plates 1 can rotate relatively, and the guide rod 4 in the middle of all the guide rods 4 is also connected with an inner driving device through an inner pull rod 5, so that the inner pull cylinder 5 can act on the central positions of the two inner clamping plates 1.
The inner driving device of the embodiment comprises a first piston 51, and a piston cylinder matched with the first piston 51 is arranged in the outer pull rod 6. Two working oil ports or working air ports are arranged on the side part of the outer pull rod 6 and are used for controlling the first piston 51 to slide in the piston cylinder. In practical applications, the stroke of the first piston 51 is not very large, i.e., the distance between the two working oil/gas ports is not very large.
The ball 3 of this embodiment is further connected with a ball support frame 31, and the ball support frame 31 is overall in a V shape, so that the ball 3 is uniformly distributed in the two ball grooves.
In order to make the copper plate 8 smoothly enter the inside of the clamping surface of the present embodiment, the present embodiment is further provided with a guiding section 13 which is obliquely arranged outwards at the feeding end of the two inner clamping plates 1, and the two guiding sections 13 are in a bell mouth shape.
The tension generating device in this embodiment is a cylinder sleeve 7, the outer pull rod 6 is connected to the cylinder sleeve 7 through a second piston 61, and it should be noted that the cylinder sleeve 7 should avoid interference with two working oil ports/air ports of the first piston 51, and the length of the outer pull rod 6 can be properly increased during actual design.
Because the outer guide sleeve 2 is subjected to the reaction force of the inner clamping plate 1 when working, in order to ensure the rigidity and the strength of the outer guide sleeve 2, a reinforcing rib 23 is arranged between the transverse plate 22 and the transverse plate in the embodiment.
In a natural state, the distance between the two inner boards 1 is at a maximum, i.e., the opening is at a maximum, due to the urging force of the spring 41. The during operation, the lower extreme of copper 8 is held by the centre gripping, and this embodiment from the top down moves to the upper end of copper bar 8, and under the effect of direction section 13, copper 8 can enter into fast between two interior splint 1, then through a control piston 51 downstream, makes two interior splint 1 accomplish preliminary clamp to copper 8. Then, the outer guide sleeve 2 is pulled through the control piston II 61, the outer guide sleeve 2 extrudes the two inner clamping plates 1 through the balls 3, the two inner clamping plates 1 firmly clamp the copper plate 8, the larger the pulling force generated by the piston II 61 is, the larger the clamping force of the two inner clamping plates 1 on the copper plate 8 is, and therefore the situation that the copper plate 8 and the inner clamping plates 1 are separated in the testing process can be avoided.
Compared with the prior art, the embodiment has the advantages that the inner clamping plate 1 clamps the copper plate 8 through the cooperation of the two inclined planes, and the two inclined planes are connected through the balls 3, so that the friction force is extremely small, and the inner clamping plate 1 is favorable for reliably clamping the copper plate 8. And as the test tension increases, the clamping force of the two inner clamping plates 1 on the copper plate 8 also continuously increases.
The embodiment further comprises an inner layer of oil cylinder/air cylinder and an outer layer of oil cylinder/air cylinder, wherein the inner layer of oil cylinder/air cylinder is used for controlling the primary clamping of the inner clamping plate 1, the outer layer of cylinder sleeve 7 is used for controlling the whole testing tension, and the structure of the embodiment is more compact due to the design of the inner layer of oil cylinder/air cylinder and the outer layer of oil cylinder/air cylinder.
The embodiment also discloses a copper bar tensile test device, contains the aforementioned quick clamping device for copper bar tensile test of this embodiment.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The quick clamping device for the tensile test of the copper bar is characterized by comprising two inner clamping plates (1) and an outer guide sleeve (2) arranged outside the inner clamping plates (1), wherein clamping surfaces of the two inner clamping plates (1) are arranged oppositely, and a guide device is arranged between the two inner clamping plates (1);
the outer surface of the inner clamping plate (1) is obliquely arranged and is provided with a vertically arranged ball groove I (12), the outer guide sleeve (2) is provided with an inner inclined surface matched with the outer surface of the inner clamping plate (1), the inner inclined surface is provided with a ball groove II (21) opposite to the ball groove I (12), and balls (3) are further arranged between the ball groove I (12) and the ball groove II (21);
the end part of the outer guide sleeve (2) is provided with a transverse plate (22), and the transverse plate (22) is connected with a tension generating device through an outer pull rod (6).
2. The quick clamping device for the copper bar tensile test is characterized in that the guide device is a plurality of guide rods (4) which are uniformly distributed between two inner clamping plates (1), springs (41) are sleeved on the outer surfaces of the guide rods (4), two ends of each spring (41) are respectively connected to the two inner clamping plates (1), the number of the guide rods (4) is odd and is at least three, and the guide rods (4) in the middle are further connected with an inner driving device through inner pull rods (5).
3. The quick clamping device for the copper bar tensile test is characterized in that the inner driving device comprises a first piston (51), and a piston cylinder matched with the first piston (51) is arranged inside the outer pull rod (6).
4. The quick clamping device for the tensile test of the copper bar as recited in claim 1, wherein the ball (3) is further connected to a ball support frame (31).
5. The quick clamping device for the copper bar tensile test according to claim 1, wherein the feeding ends of the two inner clamping plates (1) are further provided with guide sections (13) which are obliquely arranged outwards.
6. The quick clamping device for the copper bar tensile test according to claim 1, wherein the clamping surfaces of the two inner clamping plates (1) are further provided with ratchets (11).
7. The quick clamping device for the copper bar tensile test according to claim 1, wherein the tensile force generating device is a cylinder sleeve (7), and the outer pull rod (6) is connected to the cylinder sleeve (7) through a second piston (61).
8. The quick clamping device for the copper bar tensile test according to claim 1, wherein a reinforcing rib (23) is further arranged between the transverse plate (22) and the outer guide sleeve (2).
9. The device for testing the tension of the copper bar is characterized by comprising the quick clamping device for the tension test of the copper bar according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010644889.2A CN111805450A (en) | 2020-07-07 | 2020-07-07 | Quick clamping device for copper bar tensile test and copper bar tension testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010644889.2A CN111805450A (en) | 2020-07-07 | 2020-07-07 | Quick clamping device for copper bar tensile test and copper bar tension testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111805450A true CN111805450A (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010644889.2A Pending CN111805450A (en) | 2020-07-07 | 2020-07-07 | Quick clamping device for copper bar tensile test and copper bar tension testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111805450A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792764A (en) * | 2021-02-01 | 2021-05-14 | 昆山市优捷科自动化设备有限公司 | Clamping device |
| CN114441303A (en) * | 2021-09-15 | 2022-05-06 | 湖南红鑫通信技术有限责任公司 | Adjustable testing device for flexible circuit board |
| CN114993834A (en) * | 2022-05-17 | 2022-09-02 | 杭州泛亚卫浴股份有限公司 | A kind of shower pipe copper core pull-off test device and test method thereof |
| CN119086277A (en) * | 2024-09-27 | 2024-12-06 | 无锡华翔化纤有限公司 | A tensile strength testing device and method for textile fabrics |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0292391U (en) * | 1989-01-09 | 1990-07-23 | ||
| CN200960598Y (en) * | 2006-09-26 | 2007-10-17 | 刘军 | Cover device |
| US8978221B1 (en) * | 2011-09-23 | 2015-03-17 | Dean S. Somerville | Puller device |
| CN206960246U (en) * | 2017-07-28 | 2018-02-02 | 重庆科力建设工程质量检测有限公司 | A kind of reinforcing bar tensile testing machine |
| CN209264424U (en) * | 2018-11-16 | 2019-08-16 | 浙江礼显试验仪器制造有限公司 | A kind of universal testing machine |
| CN210571721U (en) * | 2019-09-10 | 2020-05-19 | 中咨公路养护检测技术有限公司 | Clamp for hydraulic chuck of universal testing machine |
| CN212385340U (en) * | 2020-07-07 | 2021-01-22 | 扬中凯悦铜材有限公司 | A quick clamping device for tensile test of copper bar and copper bar tensile test device |
-
2020
- 2020-07-07 CN CN202010644889.2A patent/CN111805450A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292391U (en) * | 1989-01-09 | 1990-07-23 | ||
| CN200960598Y (en) * | 2006-09-26 | 2007-10-17 | 刘军 | Cover device |
| US8978221B1 (en) * | 2011-09-23 | 2015-03-17 | Dean S. Somerville | Puller device |
| CN206960246U (en) * | 2017-07-28 | 2018-02-02 | 重庆科力建设工程质量检测有限公司 | A kind of reinforcing bar tensile testing machine |
| CN209264424U (en) * | 2018-11-16 | 2019-08-16 | 浙江礼显试验仪器制造有限公司 | A kind of universal testing machine |
| CN210571721U (en) * | 2019-09-10 | 2020-05-19 | 中咨公路养护检测技术有限公司 | Clamp for hydraulic chuck of universal testing machine |
| CN212385340U (en) * | 2020-07-07 | 2021-01-22 | 扬中凯悦铜材有限公司 | A quick clamping device for tensile test of copper bar and copper bar tensile test device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792764A (en) * | 2021-02-01 | 2021-05-14 | 昆山市优捷科自动化设备有限公司 | Clamping device |
| CN114441303A (en) * | 2021-09-15 | 2022-05-06 | 湖南红鑫通信技术有限责任公司 | Adjustable testing device for flexible circuit board |
| CN114441303B (en) * | 2021-09-15 | 2024-04-19 | 湖南红鑫通信技术有限责任公司 | Adjustable testing device for flexible circuit board |
| CN114993834A (en) * | 2022-05-17 | 2022-09-02 | 杭州泛亚卫浴股份有限公司 | A kind of shower pipe copper core pull-off test device and test method thereof |
| CN119086277A (en) * | 2024-09-27 | 2024-12-06 | 无锡华翔化纤有限公司 | A tensile strength testing device and method for textile fabrics |
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