CN221174172U - Tungsten filament bending tensile test device - Google Patents
Tungsten filament bending tensile test device Download PDFInfo
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- CN221174172U CN221174172U CN202322567444.0U CN202322567444U CN221174172U CN 221174172 U CN221174172 U CN 221174172U CN 202322567444 U CN202322567444 U CN 202322567444U CN 221174172 U CN221174172 U CN 221174172U
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- tooth
- forming block
- tungsten wire
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- clamping
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000005452 bending Methods 0.000 title claims abstract description 49
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 30
- 239000010937 tungsten Substances 0.000 title claims abstract description 30
- 238000009864 tensile test Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000007493 shaping process Methods 0.000 abstract 3
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000009730 filament winding Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a tungsten filament bending tensile test device which comprises a bending part and a stretching part, wherein the bending part comprises a first forming block and a second forming block, the first forming block is provided with a tooth-shaped protruding part, and the second forming block is provided with a tooth-shaped recessed part; the stretching component comprises a fixed clamp and a movable clamp, wherein the fixed clamp is used for fixing one end of a tungsten wire to be tested, the movable clamp is used for clamping the other end of the tungsten wire to be tested, and the movable clamp can be close to or far away from the fixed clamp. Through first shaping piece and the second shaping piece that are close to each other, utilize to bend at adopting profile of tooth bellying and profile of tooth depressed part shaping to treat the tungsten filament that detects, the other end of the test tungsten filament of rethread movable fixture centre gripping and keep away from mounting fixture to treat the test tungsten filament and straighten, so, be convenient for realize automatic bending and straightening through bending part and tensile part, labour saving and time saving, tensile speed is stable, and the tensile distance is controllable, has improved stability, the uniformity that detects.
Description
Technical Field
The utility model relates to the technical field of tungsten filament performance detection, in particular to a tungsten filament bending and stretching test device.
Background
National standard GB/T4181-2017 specifies the brand, type, state, recommended use and product marking, requirements, test methods, inspection rules, packaging, labeling, transportation and storage of tungsten filaments, wherein one of the inspection methods in the filament winding performance of tungsten filaments is a bending method: and bending the tungsten wire at a plurality of positions at certain intervals, straightening the bent positions of the tungsten wire, visually checking, and observing whether the tungsten wire is cracked or not, thereby judging the performance.
However, in the existing production process, when the performance of the tungsten filament is detected by adopting a bending method, the tungsten filament is bent manually, which is time-consuming and labor-consuming, low in efficiency, inaccurate and poor in repeatability.
Disclosure of utility model
Based on the above, in order to solve the problem, the utility model provides a tungsten filament bending and stretching test device, which has the following specific technical scheme:
A tungsten filament bend tensile test device comprising:
The bending part comprises a first forming block and a second forming block which can be relatively close to or far away from each other, the first forming block is provided with a tooth-shaped protruding part, and the second forming block is provided with a tooth-shaped concave part which is matched with the tooth-shaped protruding part;
The stretching component comprises a fixing clamp and a movable clamp, wherein the fixing clamp is used for fixing one end of a tungsten wire to be tested, the movable clamp is used for clamping the other end of the tungsten wire to be tested, and the movable clamp can be close to or far away from the fixing clamp.
According to the tungsten filament bending and stretching test device, the tungsten filament to be tested is bent by the aid of the first forming block and the second forming block which are close to each other, the tooth-shaped protruding portion and the tooth-shaped recessed portion are adopted for forming, the other end of the tungsten filament to be tested is clamped by the movable clamp and is far away from the fixed clamp, so that the tungsten filament to be tested is straightened, automatic bending and straightening are convenient to achieve through the bending part and the stretching part, time and labor are saved, the stretching speed is stable, the stretching distance is controllable, and the stability and consistency of detection are improved.
Further, the toothed protrusion of the first molding block includes at least ten protruding teeth.
Further, the convex teeth are 90-degree convex teeth.
Further, the tooth tip of the protruding tooth is provided with a round angle, and the radius size of the round angle is 0.2mm.
Further, the bending component comprises a first driving component, the first driving component comprises a first driving piece, a first screw rod, a first moving seat and a second moving seat, a first threaded part and a second threaded part which are opposite in rotation direction are arranged on the first screw rod, the first moving seat is arranged on the first threaded part, and the second moving seat is arranged on the second threaded part; the first forming block is arranged on the first movable seat, and the second forming block is arranged on the second movable seat.
Further, the stretching component comprises a second driving assembly, and the second driving assembly comprises a second driving piece, a second screw rod and a stretching moving seat; the fixed clamp is fixedly arranged in the axial direction of the second screw rod, and the movable clamp is arranged on the stretching movable seat.
Further, the axial direction of the second screw rod is perpendicular to the axial direction of the first screw rod.
Further, the movable clamp comprises a clamping seat, a swinging arm, an upper clamping piece and a lower clamping piece, wherein the swinging arm is provided with an eccentric convex part and a first installation part, the upper clamping piece is provided with a contact part, a clamping part and a second installation part, and the clamping seat is sequentially provided with a first hinge part, a second hinge part and a connecting part from top to bottom; the first mounting part is hinged with the first hinging part, the second mounting part is hinged with the second hinging part, and the lower clamping piece is fixedly mounted on the connecting part; and the swinging arm swings relative to the first hinge part to drive the eccentric convex part to press the contact part, so that the clamping part is pressed towards the lower clamping piece.
Further, the lower clamping piece is provided with clamping teeth towards the clamping part.
Further, the first driving piece and the second driving piece are servo motors.
Drawings
The utility model will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic diagram of a device for bending and stretching a tungsten wire according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a bending and stretching test device for a tungsten filament according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a bending and stretching test device for a tungsten filament according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a tungsten filament bending tensile testing apparatus according to an embodiment of the present utility model;
fig. 5 is an enlarged view of the structure at E in fig. 4.
Reference numerals illustrate:
1. a bending member; 2. A stretching member;
11. A first molding block; 12. A second molding block; 13. A first drive assembly;
21. a fixing clamp; 22. moving the clamp; 23. a second drive assembly;
101. raised teeth;
111. Tooth-shaped protruding parts; 121. tooth-shaped concave parts;
131. a first driving member; 132. a first screw rod; 133. a first movable seat; 134. a second movable seat;
221. a clamping seat; 222. a swing arm; 223. an upper clamping piece; 224. a lower clamping piece;
231. a second driving member; 232. A second screw rod; 233. Stretching the movable seat;
2211. A first hinge part; 2212. A second hinge part; 2213. A connection part;
2221. an eccentric convex part; 2222. A first mounting portion;
2231. a contact portion; 2232. a clamping part; 2233. and a second mounting portion.
Detailed Description
The present utility model will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.
As shown in fig. 1, 2 and 3, a tungsten filament bending tensile test device according to an embodiment of the present utility model includes:
The bending part 1 comprises a first forming block 11 and a second forming block 12 which can be relatively close to or far away from each other, wherein the first forming block 11 is provided with a tooth-shaped protruding part 111, and the second forming block 12 is provided with a tooth-shaped recessed part 121 which is matched with the tooth-shaped protruding part 111;
The stretching member 2 includes a fixing jig 21 for fixing one end of the tungsten filament to be tested, and a moving jig 22 for holding the other end of the tungsten filament to be tested, and the moving jig 22 being movable closer to or farther away from the fixing jig 21.
According to the tungsten filament bending and stretching test device, the tungsten filament to be tested is bent by forming the first forming block 11 and the second forming block 12 which are close to each other through the tooth-shaped protruding portion 111 and the tooth-shaped recessed portion 121, the other end of the tungsten filament to be tested is clamped by the movable clamp 22 and is far away from the fixed clamp 21, so that the tungsten filament to be tested is straightened, automatic bending and straightening are convenient to achieve through the bending part 1 and the stretching part 2, time and labor are saved, the stretching speed is stable, the stretching distance is controllable, and the stability and consistency of detection are improved.
In one embodiment, the toothed protrusion 111 of the first molding block 11 comprises at least ten protruding teeth 101. Thus, by limiting the plurality of protruding teeth 101, the number of bending positions is conveniently limited, and the bending effect is ensured to meet the detection standard.
In one embodiment, the lobe teeth 101 are 90 degree lobe teeth. Therefore, the bending effect is ensured to meet the detection standard by limiting the bending angle.
In one embodiment, the tips of the raised teeth 101 are provided with rounded corners having a radius dimension of 0.2mm. Therefore, by limiting the round angle of the convex tooth 101, the tungsten wire to be tested is prevented from being broken due to overlarge bending force.
In one embodiment, the bending part 1 comprises a first driving assembly 13, the first driving assembly 13 comprises a first driving piece 131, a first screw rod 132, a first moving seat 133 and a second moving seat 134, a first threaded portion and a second threaded portion with opposite rotation directions are arranged on the first screw rod 132, the first moving seat 133 is mounted on the first threaded portion, and the second moving seat 134 is mounted on the second threaded portion; the first molding block 11 is disposed on the first movable seat 133, and the second molding block 12 is disposed on the second movable seat 134. In this way, the first screw rod 132 is utilized to synchronously control the first movable seat 133 and the second movable seat 134 to approach, so that the first movable seat 133 and the second movable seat 134 can be synchronously approached, the tungsten wire to be tested can be conveniently arranged between the first movable seat 133 and the second movable seat 134, and the bending effect is ensured.
In one embodiment, the stretching member 2 comprises a second drive assembly 23, the second drive assembly 23 comprising a second drive 231, a second screw 232 and a stretching movement seat 233; the fixing jig 21 is fixedly provided in the axial direction of the second screw 232, and the moving jig 22 is provided on the stretching moving seat 233. In this way, the second driving piece 231 is used to drive the second screw rod 232 to rotate, so that the stretching moving seat 233 is driven to be far away from the fixed clamp 21, and the tungsten wire to be tested is straightened after being bent.
In one embodiment, the axial direction of the second screw 232 is perpendicular to the axial direction of the first screw 132. Therefore, the moving directions of the bending part 1 and the stretching part 2 are vertically arranged, so that acting force for restoring the direction can be quickly provided at the bending position of the tungsten wire to be tested when the stretching part 2 is straightened.
In one embodiment, the moving clamp 22 includes a clamp holder 221, a swing arm 222, an upper clamp member 223 and a lower clamp member 224, the swing arm 222 is provided with an eccentric protrusion 2221 and a first mounting portion 2222, the upper clamp member 223 is provided with a contact portion 2231, a clamp portion 2232 and a second mounting portion 2233, and the clamp holder 221 is provided with a first hinge portion 2211, a second hinge portion 2212 and a connecting portion 2213 in this order from top to bottom; the first mounting portion 2222 is hinged to the first hinge portion 2211, the second mounting portion 2233 is hinged to the second hinge portion 2212, and the lower clip 224 is fixedly mounted on the connecting portion 2213; by swinging the swing arm 222 relative to the first hinge portion 2211, the eccentric protrusion 2221 is driven to press against the pressing portion 2231, so that the clamping portion 2232 is pressed against the lower clip member 224. In this way, the pressing gap between the clamping portion 2232 and the lower clamp member 224 is adjusted by using the difference in the pressing amounts of the eccentric protrusion 2221 and the contact portion 2231 so as to rotate the eccentric protrusion 2221 at different angles according to the diameter of the tungsten wire to be tested.
In one embodiment, the lower clip member 224 is provided with gripping teeth in the direction of the gripping portion 2232. Therefore, the clamping teeth are matched with the clamping parts 2232 to clamp the tungsten wire to be tested, so that the clamping effect is ensured.
In one embodiment, the first driving member 131 and the second driving member 231 are each servo motors. Thus, the servo motor is convenient for realizing the automatic control of the bending test.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A tungsten filament bending tensile test device, comprising:
The bending part comprises a first forming block and a second forming block which can be relatively close to or far away from each other, the first forming block is provided with a tooth-shaped protruding part, and the second forming block is provided with a tooth-shaped concave part which is matched with the tooth-shaped protruding part;
The stretching component comprises a fixing clamp and a movable clamp, wherein the fixing clamp is used for fixing one end of a tungsten wire to be tested, the movable clamp is used for clamping the other end of the tungsten wire to be tested, and the movable clamp can be close to or far away from the fixing clamp.
2. The tungsten wire bending tensile testing device according to claim 1, wherein the tooth-shaped protrusion of the first forming block comprises at least ten protruding teeth.
3. The tungsten wire bending tensile testing device according to claim 2, wherein the raised teeth are 90 degree raised teeth.
4. The tungsten wire bending tensile test device according to claim 2, wherein the tooth tip of the convex tooth is provided with a round angle, and the radius dimension of the round angle is 0.2mm.
5. The tungsten wire bending tensile test device according to claim 1, wherein the bending component comprises a first driving assembly, the first driving assembly comprises a first driving piece, a first screw rod, a first moving seat and a second moving seat, a first threaded portion and a second threaded portion with opposite rotation directions are arranged on the first screw rod, the first moving seat is mounted on the first threaded portion, and the second moving seat is mounted on the second threaded portion;
The first forming block is arranged on the first movable seat, and the second forming block is arranged on the second movable seat.
6. The tungsten wire bending tensile testing device according to claim 5, wherein the tensile member comprises a second drive assembly comprising a second drive member, a second lead screw, and a tensile moving seat;
The fixed clamp is fixedly arranged in the axial direction of the second screw rod, and the movable clamp is arranged on the stretching movable seat.
7. The tungsten wire bending tensile testing device according to claim 6, wherein an axial direction of the second screw rod is perpendicular to an axial direction of the first screw rod.
8. The tungsten wire bending tensile test device according to claim 1, wherein the movable clamp comprises a clamping seat, a swinging arm, an upper clamping piece and a lower clamping piece, wherein the swinging arm is provided with an eccentric convex part and a first installation part, the upper clamping piece is provided with a contact part, a clamping part and a second installation part, and the clamping seat is sequentially provided with a first hinge part, a second hinge part and a connecting part from top to bottom;
the first mounting part is hinged with the first hinging part, the second mounting part is hinged with the second hinging part, and the lower clamping piece is fixedly mounted on the connecting part;
And the swinging arm swings relative to the first hinge part to drive the eccentric convex part to press the contact part, so that the clamping part is pressed towards the lower clamping piece.
9. The tungsten wire bending tensile testing device according to claim 8, wherein the lower clamping piece is provided with clamping teeth in a direction toward the clamping portion.
10. The tungsten filament bending tensile testing device according to claim 7, wherein the first driving member and the second driving member are servo motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567444.0U CN221174172U (en) | 2023-09-20 | 2023-09-20 | Tungsten filament bending tensile test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567444.0U CN221174172U (en) | 2023-09-20 | 2023-09-20 | Tungsten filament bending tensile test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221174172U true CN221174172U (en) | 2024-06-18 |
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ID=91531417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322567444.0U Active CN221174172U (en) | 2023-09-20 | 2023-09-20 | Tungsten filament bending tensile test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221174172U (en) |
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- 2023-09-20 CN CN202322567444.0U patent/CN221174172U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240712 Address after: 528200, Room B101, Building B, Phase I, Nanhai Industrial Think Tank City, Taoyuan Road, Software Park, Shishan Town, Nanhai District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Foshan Tengniu Technology Co.,Ltd. Country or region after: China Address before: Room 1910, 19th Floor, Building 1, Jinke Building, No. 29 Qingfeng West Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province, 528200 (Residence Declaration) Patentee before: Foshan Tengniu Asset Investment Co.,Ltd. Country or region before: China |