CN221056241U - Cold drawn wire stretching experimental device - Google Patents
Cold drawn wire stretching experimental device Download PDFInfo
- Publication number
- CN221056241U CN221056241U CN202322720721.7U CN202322720721U CN221056241U CN 221056241 U CN221056241 U CN 221056241U CN 202322720721 U CN202322720721 U CN 202322720721U CN 221056241 U CN221056241 U CN 221056241U
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- China
- Prior art keywords
- positioning sleeve
- seat
- positioning
- cold drawn
- drawn wire
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- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000005491 wire drawing Methods 0.000 claims abstract description 13
- 238000009864 tensile test Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000010622 cold drawing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a cold wire drawing and stretching experiment device, which comprises a bottom plate, wherein a positioning seat is fixedly connected to the edge of one side of the upper surface of the bottom plate, a movable seat is slidably arranged on the upper surface of the bottom plate, a hydraulic cylinder which is horizontally arranged is arranged on one surface of the positioning seat, which is away from the movable seat, a positioning sleeve which is used for limiting the position of a cold wire drawing end part is arranged at the upper end of the positioning seat, two clamping blocks are arranged at the upper position of the outer surface of the positioning sleeve, arc plates which are attached to the surface of the positioning sleeve are fixedly connected to the opposite surfaces of the two clamping blocks, semicircular thread grooves which are vertically arranged are formed in the opposite surfaces of the two positioning sleeves, pressing bolts which are used for pressing the position of the cold wire drawing end part are connected to the two opposite surfaces of the positioning sleeve in a threaded manner, and a plurality of through holes which are matched with the semicircular grooves are uniformly formed in the upper position of the outer surface of the positioning sleeve, and the cold wire drawing experiment device has the following advantages: the tiny sundries entering the thread lines can be conveniently cleaned.
Description
Technical Field
The utility model relates to a cold wire drawing and stretching experimental device, and belongs to the field of cold wire drawing experiments.
Background
The cold drawn wire is one of metal cold working, after the metal cold drawn wire, the produced cold drawn wire needs to be inspected, one inspection content is to inspect the strength of the cold drawn wire, namely, the cold drawn wire is subjected to a tensile fracture experiment, at present, when the cold drawn wire fracture is tested, the two ends of the cold drawn wire are generally fixedly connected in a locating sleeve on an experimental device by using a pressing bolt, the cold drawn wire is subjected to tensile fracture by applying external force, in order to improve the effect of limiting the end part of the cold drawn wire, a plurality of pressing bolts are usually connected on the locating sleeve in a threaded manner, so that the end part of the cold drawn wire is clamped and limited by the plurality of pressing bolts, the end part of the cold drawn wire is prevented from sliding in the tensile experiment process, a plurality of screw holes matched with the pressing bolts are generally required to be machined on the locating sleeve, and when fine impurities enter a thread line in the screw hole along with the pressing bolts, the fine impurities in the screw hole are in a closed shape, and the cleaning time and labor are wasted, so that the cold drawn wire stretching experiment device convenient for cleaning the fine impurities entering the thread line is required to be designed.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide a cold drawn wire stretching experimental device which solves the problems in the prior art and is convenient for cleaning tiny sundries entering thread lines.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a tensile experimental apparatus of cold drawn wire, includes the bottom plate, bottom plate upper surface one side edge connection is fixed with the positioning seat, bottom plate upper surface slidable mounting has the removal seat, the pneumatic cylinder that the level was arranged is installed to the one side that the positioning seat deviates from the removal seat, the pneumatic cylinder expansion end runs through the positioning seat and is connected fixedly with the removal seat, the positioning sleeve that is used for restricting cold drawn wire tip position is all installed to positioning seat upper end and removal seat upper end, positioning sleeve surface upper position is equipped with two clamp splice, two clamp splice looks back all are connected with the arc that is fixed with the positioning sleeve surface mutually, the arc passes through the connecting screw and is connected fixedly with the positioning sleeve, two the semicircle thread groove of vertical arrangement has all been seted up to the positioning sleeve opposite face, two relative thread groove internal thread connection has the pressure bolt that is used for holding cold drawn wire tip position, a plurality of positions and semicircle groove matched with through-hole are evenly seted up to positioning sleeve surface upper position, pressure bolt one end runs through the through-hole.
Further, a detachable rubber pad is arranged at the lower part in the positioning sleeve, and the outer surface of the rubber pad is contacted with the inner surface of the positioning sleeve.
Further, a plurality of countersunk holes are uniformly formed in one face, facing the pressing bolt, of the rubber pad, a plurality of small holes aligned with the countersunk holes are formed in the outer surface of the positioning sleeve, limiting screws are inserted into the countersunk holes, and one ends of the limiting screws penetrate through the small holes and are in threaded connection with nuts.
Further, the middle part position of the lower surface of the movable seat is fixedly connected with a sliding block, a limit groove matched with the sliding block is formed in the upper surface of the bottom plate, the limit groove is arranged along the length direction of the hydraulic cylinder, and the sliding block is slidably mounted in the limit groove.
Further, the upper surface of the positioning seat and the upper surface of the moving seat are both provided with semicircular grooves, and the two positioning sleeves are respectively fixed in the two semicircular grooves.
Further, a plurality of slots which are alternately arranged with the semicircular grooves are uniformly formed in one surface of one clamping block on the positioning sleeve, a plurality of inserting blocks matched with the slots are uniformly fixed in one surface of the other clamping block on the positioning sleeve, and the inserting blocks are inserted into the slots.
The utility model has the beneficial effects that:
1. The two ends of the cold drawn wire are respectively inserted into the two positioning sleeves, then a plurality of pressing bolts on the positioning sleeves are screwed, so that the pressing bolts limit the end part of the cold drawn wire in the positioning sleeves, the pressed range of the end part of the cold drawn wire is increased, the cold drawn wire is prevented from sliding in the extending process of the hydraulic cylinder, the hydraulic cylinder is controlled to drive the movable seat to move when the hydraulic cylinder is extended, and the distance between the movable seat and the positioning seat is enlarged, so that the drawing experiment of the cold drawn wire is realized.
2. The clamp splice is installed on the locating sleeve, semicircular thread grooves are formed in the opposite faces of the two clamp splice, the pressing bolt is in threaded connection with the space formed by the two thread grooves, then the threaded connection of the pressing bolt and the locating sleeve is achieved, when tiny sundries enter into thread lines in the thread grooves to influence rotation of the pressing bolt, the arc plate and the locating sleeve are separated after the connecting screw is detached, separation of the clamp splice and the locating sleeve is completed, and tiny sundries entering the thread lines are cleaned conveniently.
3. The limiting screw is screwed on the nut after penetrating through the countersunk hole on the rubber pad and the small hole on the positioning sleeve, so that the rubber pad is arranged at the lower position in the positioning sleeve, the friction coefficient between the cold drawn wire end part and the positioning sleeve is increased by the rubber pad, and the stability of limiting the position of the cold drawn wire end part is further improved.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a cold drawn wire drawing experimental apparatus of the present utility model;
FIG. 2 is a schematic diagram showing the assembly of an arc plate and a clamping block in a cold drawing and stretching experimental device;
FIG. 3 is a schematic diagram showing the assembly of a slider and a movable base in a cold drawing and stretching experiment device according to the present utility model;
FIG. 4 is a schematic diagram showing the assembly of a rubber pad and a positioning sleeve in a cold drawing and stretching experimental device;
In the figure: the device comprises a 1-bottom plate, a 2-limit groove, a 3-movable seat, a 4-arc plate, a 5-connecting screw, a 6-clamping block, a 7-pressing bolt, an 8-hydraulic cylinder, a 9-locating sleeve, a 10-locating seat, an 11-semicircular groove, a 12-sliding block, a 13-semicircular groove, a 14-rubber pad, a 15-limit screw, a 16-nut and a 17-through hole.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1 and 3, the present utility model provides a technical solution: the utility model provides a cold drawn wire tensile experimental apparatus, including bottom plate 1, bottom plate 1 upper surface one side edge connection is fixed with positioning seat 10, bottom plate 1 upper surface slidable mounting has removes seat 3, the pneumatic cylinder 8 that the level was arranged is installed to the one side that positioning seat 10 deviates from and removes seat 3, the pneumatic cylinder 8 expansion end runs through positioning seat 10 and is connected fixedly with removing seat 3, remove 3 lower surface middle part position connection and be fixed with slider 12, bottom plate 1 upper surface offered with slider 12 matched with spacing groove 2, spacing groove 2 arranges along pneumatic cylinder 8 length direction, slider 12 slidable mounting is in spacing groove 2, control pneumatic cylinder 8 is flexible, and then pneumatic cylinder 8 drive removes seat 3 and remove, slider 12 slides along spacing groove 2 this moment, thereby slider 12 and spacing groove 2 combined action realize the restriction to removing seat 3 removal orbit, the stability of structure is improved.
Referring to fig. 1 and 3, the positioning sleeves 9 for limiting the position of the cold wire drawing end are installed in the semicircular groove 13 formed in the upper surface of the positioning seat 10 and the semicircular groove 13 formed in the upper surface of the moving seat 3, so that the positioning sleeves 9 are fixed in the semicircular groove 13, the contact areas of the two positioning sleeves 9 with the positioning seat 10 and the moving seat 3 are increased, and the stability of the structure is improved.
Referring to fig. 1, 2 and 4, two clamping blocks 6 are arranged at the upper position of the outer surface of a positioning sleeve 9, arc plates 4 attached to the surface of the positioning sleeve 9 are fixedly connected to the opposite sides of the two clamping blocks 6, the arc plates 4 are fixedly connected with the positioning sleeve 9 through connecting screws 5, semicircular thread grooves 11 which are vertically arranged are formed in the opposite sides of the two positioning sleeves 9, holding bolts 7 for holding the end positions of cold drawn wires are connected to the inner threads of the two opposite thread grooves 11, a plurality of through holes 17 matched with the semicircular grooves 13 are uniformly formed at the upper position of the outer surface of the positioning sleeve 9, one ends of the holding bolts 7 penetrate through the through holes 17, two ends of the cold drawn wires are respectively inserted into the two positioning sleeves 9, then the plurality of holding bolts 7 on the positioning sleeve 9 are screwed, so that the end positions of the cold drawn wires are limited in the positioning sleeve 9 by the holding bolts 7, thereby increasing the pressed range of the cold drawn wire end, preventing the cold drawn wire from sliding in the extending process of the hydraulic cylinder 8, controlling the hydraulic cylinder 8 to extend, driving the movable seat 3 to move by the hydraulic cylinder 8, further enlarging the distance between the movable seat 3 and the positioning seat 10, realizing the drawing experiment of the cold drawn wire, installing two aligned clamping blocks 6 on the positioning sleeve 9, arranging semicircular thread grooves 11 on the opposite surfaces of the two clamping blocks 6, leading the pressing bolt 7 to be in threaded connection in the space formed by the two thread grooves 11, then realizing the threaded connection of the pressing bolt 7 and the positioning sleeve 9, detaching the connecting screw 5, separating the arc plate 4 and the positioning sleeve 9, then completing the separation of the clamping blocks 6 and the positioning sleeve 9, facilitating the cleaning of tiny impurities entering the thread grooves, a plurality of slots which are alternately arranged with the semicircular grooves 13 are uniformly formed on one surface of one clamping block 6 on the positioning sleeve 9, and a plurality of inserting blocks matched with the slots are uniformly fixed on one surface of the other clamping block 6 on the positioning sleeve 9, so that the inserting blocks are inserted in the slots, and the stability of connection of the two clamping blocks 6 on the positioning sleeve 9 is improved.
Referring to fig. 1 and 4, a rubber pad 14 is installed at the inner lower position of the positioning sleeve 9, the outer surface of the rubber pad 14 is contacted with the inner surface of the positioning sleeve 9, a plurality of countersunk holes are uniformly formed in one surface of the rubber pad 14 facing the holding bolt 7, a plurality of small holes aligned with the countersunk holes are formed in the outer surface of the positioning sleeve 9, a limit screw 15 is inserted into the countersunk holes, one end of the limit screw 15 penetrates through the small holes and is in threaded connection with a nut 16, the limit screw 15 penetrates through the countersunk holes in the rubber pad 14 and the small holes in the positioning sleeve 9, and then the nut 16 is screwed on, so that the rubber pad 14 is installed at the inner lower position of the positioning sleeve 9, the friction coefficient between a cold drawn wire end and the positioning sleeve 9 is increased by the rubber pad 14, and the stability of limiting the position of the cold drawn wire end is further improved.
Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a cold drawn wire tensile test device, includes bottom plate (1), its characterized in that: the utility model discloses a cold wire fixing device, including bottom plate (1), fixed seat (10) are connected in bottom plate (1) upper surface one side edge, bottom plate (1) upper surface slidable mounting has removes seat (3), pneumatic cylinder (8) that the level was arranged are installed to the one side that removes seat (3) are deviate from to positioning seat (10), pneumatic cylinder (8) expansion end runs through positioning seat (10) and is connected fixedly with removing seat (3), positioning sleeve (9) that are used for restricting cold wire tip position are all installed to positioning seat (10) upper end and removing seat (3) upper end, positioning sleeve (9) surface upper position is equipped with two clamp splice (6), two clamp splice (6) are all connected and are fixed with arc (4) that laminate with positioning sleeve (9) surface mutually in the looks back, arc (4) are connected and are fixed through connecting screw (5) and positioning sleeve (9), two semicircular thread groove (11) that vertical arranged are all seted up on positioning sleeve (9) opposite face, two relative threaded groove (11) female connection has and is used for holding position (7) and holding the through-hole (17) are held in the position with the cold wire fixing device, the through-hole (17) is held in the position with the half-bolt (17).
2. The cold drawn wire drawing experimental apparatus according to claim 1, wherein: the detachable rubber pad (14) is arranged at the inner lower part of the positioning sleeve (9), and the outer surface of the rubber pad (14) is contacted with the inner surface of the positioning sleeve (9).
3. The cold drawn wire drawing experimental apparatus according to claim 2, wherein: a plurality of countersunk holes are uniformly formed in one face, facing to the pressing bolt (7), of the rubber pad (14), a plurality of small holes aligned with the countersunk holes are formed in the outer surface of the positioning sleeve (9), limiting screws (15) are inserted into the countersunk holes, and one ends of the limiting screws (15) penetrate through the small holes and are in threaded connection with nuts (16).
4. The cold drawn wire drawing experimental apparatus according to claim 1, wherein: the movable seat is characterized in that a sliding block (12) is fixedly connected to the middle of the lower surface of the movable seat (3), a limiting groove (2) matched with the sliding block (12) is formed in the upper surface of the bottom plate (1), the limiting groove (2) is arranged along the length direction of the hydraulic cylinder (8), and the sliding block (12) is slidably mounted in the limiting groove (2).
5. The cold drawn wire drawing experimental apparatus according to claim 1, wherein: the upper surfaces of the positioning seat (10) and the moving seat (3) are respectively provided with a semicircular groove (13), and the two positioning sleeves (9) are respectively fixed in the two semicircular grooves (13).
6. The cold drawn wire drawing experimental apparatus according to claim 1, wherein: a plurality of slots which are alternately arranged with the semicircular grooves (13) are uniformly formed in one surface of one clamping block (6) on the positioning sleeve (9), a plurality of inserting blocks matched with the slots are uniformly fixed on one surface of the other clamping block (6) on the positioning sleeve (9), and the inserting blocks are inserted into the slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322720721.7U CN221056241U (en) | 2023-10-11 | 2023-10-11 | Cold drawn wire stretching experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322720721.7U CN221056241U (en) | 2023-10-11 | 2023-10-11 | Cold drawn wire stretching experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221056241U true CN221056241U (en) | 2024-05-31 |
Family
ID=91224738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322720721.7U Active CN221056241U (en) | 2023-10-11 | 2023-10-11 | Cold drawn wire stretching experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221056241U (en) |
-
2023
- 2023-10-11 CN CN202322720721.7U patent/CN221056241U/en active Active
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| GR01 | Patent grant |