CN210513960U - Crushing device for bending strength test - Google Patents
Crushing device for bending strength test Download PDFInfo
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- CN210513960U CN210513960U CN201920957062.XU CN201920957062U CN210513960U CN 210513960 U CN210513960 U CN 210513960U CN 201920957062 U CN201920957062 U CN 201920957062U CN 210513960 U CN210513960 U CN 210513960U
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- bending strength
- crushing
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Abstract
The utility model provides a crushing device for bending strength test, belonging to the technical field of solar cells, comprising a base, two supporting seats, a crushing part and a power machine, wherein the upper end of the base is provided with a first chute; the two supporting seats are arranged on the base at intervals and used for placing the solar cell, and the lower ends of the supporting seats are in sliding fit with the first sliding groove and used for adjusting the distance between the two supporting seats; the crushing part is arranged above the supporting seats, is positioned between the two supporting seats and is used for moving downwards and crushing the solar cells; engine and broken portion fixed connection for the broken solar cell that moves down of drive broken portion, the utility model provides a breaker is used in bending strength test moves along first spout through adjusting two supporting seats, makes the interval of two supporting seats be fit for placing multiple not unidimensional solar cell, and consequently this breaker is used in bending strength test can the broken multiple not unidimensional solar cell, has increased its application range.
Description
Technical Field
The utility model belongs to the technical field of solar cell, more specifically say, relate to a breaker is used in bending strength test.
Background
The mechanical strength of the solar silicon wafer and the cell characterizes the anti-crushing capacity of the silicon wafer or the cell. In the production, transportation and component manufacturing processes of solar silicon wafers and batteries, warping, chipping or hidden cracking is easy to generate due to the action of bearing external force. When these problematic battery pieces are packaged into modules, hot spots or worms may be generated in the modules, causing safety hazards and affecting plant yield. More and more customers have used the mechanical strength of silicon wafers and batteries as one of the important indicators for evaluating the quality thereof. At present, when the mechanical strength of a solar silicon wafer and a battery is tested, the solar silicon wafer and the battery are placed on two supporting blocks, then loads are applied to the solar silicon wafer and the battery for crushing, the mechanical load of the solar silicon wafer or the battery is calculated according to the load during fracture, the size of a clamp and the size of a sample, and the crushing device is small in application range and cannot meet the requirements of the solar silicon wafers or the batteries with different sizes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a breaker is used in bending strength test to solve the less technical problem of the current breaker application range that exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a crushing device for a bending strength test, comprising:
the upper end of the base is provided with a first sliding chute;
the two supporting seats are arranged on the base at intervals and used for placing the solar cell, and the lower ends of the supporting seats are in sliding fit with the first sliding groove;
the crushing part is arranged above the supporting seats, is positioned between the two supporting seats and is used for moving downwards and crushing the solar cells;
and the power machine is fixedly connected with the crushing part and used for driving the crushing part to move downwards to crush the solar cell.
Further, the supporting seat includes:
the two first mounting blocks are correspondingly arranged at intervals;
two ends of the support rod are respectively and rotatably connected to the two first mounting blocks and used for supporting the solar cell;
the first sliding grooves are arranged in parallel at intervals, and the two first mounting blocks are in one-to-one corresponding sliding fit with the two first sliding grooves respectively.
Further, the first mounting block includes:
the upper end of the lower block body is provided with a first groove, and the lower end of the lower block body is in sliding fit with the corresponding first sliding groove;
the upper block body is fixedly arranged on the lower block body, and the lower end of the upper block body is provided with a second groove which is butted with the first groove to form a mounting hole;
and the bearing is arranged in the mounting hole and used for rotatably supporting the supporting rod.
Further, the lower block and the upper block are fixedly connected by a bolt passing through the upper block and the lower block.
Further, the crushing section includes:
the upper end of the fixing plate is fixedly connected with the power machine;
the two second mounting blocks are correspondingly arranged at intervals and are fixedly arranged at the lower end of the fixing plate;
and two ends of the pressing rod are respectively arranged on the two second mounting blocks, and the length direction of the pressing rod is consistent with that of the supporting rod, so that the solar cell can be crushed.
Furthermore, two ends of the pressure lever are respectively connected with the corresponding second mounting blocks in a rotating manner.
Further, the crushing section includes:
the upper end of the fixing plate is fixedly connected with the power machine;
the four second mounting blocks correspond to each other in pairs at intervals and are arranged at the lower end of the fixing plate;
the two pressing rods are arranged in parallel at intervals, the length direction of the pressing rods is consistent with that of the supporting rods, and two ends of each pressing rod are arranged on the two corresponding second mounting blocks respectively and used for crushing the solar cells.
Furthermore, the lower end of the fixed plate is provided with two second sliding grooves for adjusting the distance between the two pressing rods, and the two second mounting blocks are in sliding fit with the two second sliding grooves respectively.
Further, the crushing device for the bending strength test further includes:
the lower end of the connecting part is fixedly connected with the upper end of the crushing part, and the upper end of the connecting part is provided with a mounting groove for mounting a moving end of the power machine;
the wall of the mounting groove is provided with a pin hole, the moving end of the power machine is provided with a positioning hole corresponding to the pin hole, and the connecting part is fixedly connected with the power machine through a pin shaft penetrating through the pin hole and the positioning hole.
Furthermore, the base is provided with a scale for indicating the distance between the two support seats.
The utility model provides a breaker is used in bending strength test's beneficial effect lies in: compared with the prior art, the utility model discloses breaker is used in bending strength test places solar cell on two supporting seats, then starts this engine drive crushing portion downstream, with solar cell contact and crushing solar cell, this breaker can be according to solar cell's size, adjust two supporting seats along first spout motion, the interval that changes two supporting seats is fit for placing the solar cell that awaits measuring, make this breaker is used in bending strength test can the broken multiple not unidimensional solar cell, the application range is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front view of a crushing device for bending strength testing according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a top view of the crushing device for bending strength testing according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a base according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fixing plate according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a lower block and an upper block provided in an embodiment of the present invention;
fig. 7 is a schematic structural view of a crushing device for bending strength test, provided by an embodiment of the present invention, and having two compression rods.
Wherein, in the figures, the respective reference numerals:
1-a base; 11-a first runner; 12-a scale; 2-a support seat; 21-lower block; 211 — a first recess; 22-upper block; 221-a second groove; 23-a support bar; 24-a bearing; 25-bolt; 3-a crushing section; 31-a fixing plate; 311-a second chute; 32-a second mounting block; 33-a pressure bar; 4-a power machine; 5-a connecting part; 51-a pin shaft; 52-mounting grooves; 6-solar cell.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, a crushing device for bending strength testing according to the present invention will now be described. A crushing device for bending strength test comprises a base 1, two supporting seats 2, a crushing part 3 and a power machine 4, wherein a first sliding groove 11 is formed in the upper end of the base 1; the two supporting seats 2 are arranged on the base 1 at intervals and used for placing the solar cell 6, and the lower ends of the supporting seats 2 are in sliding fit with the first sliding chute 11 and used for adjusting the distance between the two supporting seats 2; the crushing part 3 is arranged above the supporting seats 2 and is positioned between the two supporting seats 2 and used for moving downwards and crushing the solar cells 6; the power machine 4 is fixedly connected with the crushing part 3 and is used for driving the crushing part 3 to move downwards to crush the solar cell 6.
The utility model provides a breaker is used in bending strength test, compared with the prior art, place solar cell 6 on two supporting seats 2, then start 3 downstream of this engine 4 drive crushing portion, contact and crushing solar cell 6 with solar cell 6, this breaker can be according to solar cell 6's size, adjust two supporting seats 2 along 11 movements of first spout, the interval that changes two supporting seats 2 comes the solar cell 6 that is fit for placing the not unidimensional examination of awaiting measuring, make this breaker is used in bending strength test can the broken solar cell 6 of multiple size through this kind of mode, the application range is increased.
The first sliding groove 11 can be provided with a ladder shape, the lower end of the supporting seat 2 is provided with a sliding part which is matched with the first sliding groove 11 and is arranged in the ladder shape, a through hole can be arranged on the supporting seat 2, a strip hole corresponding to the through hole is arranged on the base 1, after the two supporting seats 2 are adjusted to a proper working position, the supporting seat 2 and the base 1 are fixedly connected by using a bolt 25 which penetrates through the strip hole and the through hole, and are locked by using a nut. The adjusting range of the two supporting seats 2 is 30-210 mm. The power machine 4 adopts a JJG 475 electronic universal tester, and the loading speed is 0.1-500 mm/min.
Referring to fig. 1 and 3, as a specific embodiment of the crushing device for testing bending strength of the present invention, the supporting seat 2 includes two first mounting blocks and a supporting rod 23, and the two first mounting blocks are correspondingly disposed at an interval; two ends of the support rod 23 are respectively and rotatably connected to the two first mounting blocks and used for supporting the solar cell 6; at least two first sliding grooves 11 are formed, each first mounting block is in sliding fit with the corresponding first sliding groove 11, the two first sliding grooves 11 are arranged in parallel at intervals, and the two first sliding grooves 11 are in one-to-one corresponding sliding fit with the two first mounting blocks; the length direction of the first sliding groove 11 is perpendicular to the length direction of the supporting rod 23, the two ends of the supporting rod 23 are respectively connected to the first mounting blocks in a rotating mode, after the solar cell 6 is mounted on the two supporting rods 23, the rotating supporting rod 23 reduces friction force between the solar cell 6 and the supporting rod 23, the position of the solar cell 6 can be simply changed in a labor-saving mode, and the solar cell 6 can be equally placed on the two supporting rods 23. The bearing 24 is connected to enable the support rod 23 to rotate in the process of supporting the solar cell 6, so that the problem that the mechanical strength of the solar cell 6 is influenced and calculated due to the friction force of the pressure rod 33 on the solar cell 6 is reduced or even eliminated. The diameter of the support rod 23 is 3-10mm, and the material is stainless steel. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, 3 and 6, as a specific embodiment of the crushing device for testing bending strength provided by the present invention, the first mounting block includes a lower block 21, an upper block 22 and a bearing 24, the lower block 21 is disposed on the base 1, the upper end is provided with a first groove 211, the lower end is in sliding fit with the corresponding first sliding groove 11, the upper block 22 is fixedly disposed on the lower block 21, and the lower end is provided with a second groove 221 which is butted with the first groove 211 to form a mounting hole; the bearing 24 is installed in the installation hole, and is used for supporting the support rod 23, the lower block body 21 and the upper block body 22 are combined into a first installation block, the bearing 24 is fixed in the installation hole, and then the two ends of the support rod 23 are respectively installed in the bearing 24, so that the rotation of the support rod 23 is realized. The mounting hole is formed by the butt joint of a first groove 211 at the upper end of the lower block body 21 and a second groove 221 at the lower end of the upper block body 22, and is convenient for mounting the bearing 24. Set up a plurality of connecting holes on last block 22, set up a plurality of screw holes corresponding with the connecting hole on lower block 21, after lower block 21 and last block 22 butt joint are accomplished, use the bolt 25 that passes connecting hole and screw hole fixed connection block 21 and last block 22 down. The lower end of the lower block 21 is in sliding fit with the first sliding groove 11, and the distance between the support rods 23 can be changed by adjusting the distance between the lower block 21, so that the solar cells 6 in a wider range can be stably placed on the two support rods 23.
Please refer to fig. 1, fig. 3 and fig. 6, as the utility model provides a crushing device for bending strength test's a specific embodiment, lower block 21 and last block 22 are through the bolt 25 fixed connection who passes last block 22, set up the connecting hole in last block 22 and the both sides that are located second recess 221, set up the screw hole corresponding with the connecting hole on lower block 21, after block 21 and last block 22 butt joint are accomplished down, use bolt 25 fixed connection who passes connecting hole and screw hole down block 21 and last block 22.
Referring to fig. 1, 3 and 5, as a specific embodiment of the crushing device for testing bending strength of the present invention, the crushing portion 3 includes a fixing plate 31, two second mounting blocks 32 and a pressing rod 33, the fixing plate 31 is disposed above the supporting seat 2 and between the two supporting seats 2, and the upper end of the fixing plate is fixedly connected to the power machine 4; the two second mounting blocks 32 are correspondingly arranged at intervals and are fixedly arranged at the lower end of the fixing plate 31; two ends of the pressure lever 33 are respectively arranged on the two second mounting blocks 32, the length direction of the pressure lever is consistent with that of the support rod 23, the pressure lever is used for crushing the solar cell 6, the power machine 4 is fixedly connected with the upper end of the fixing plate 31, the two second mounting blocks 32 are correspondingly mounted at the lower end of the fixing plate 31 at intervals, two ends of the pressure lever 33 are respectively connected to the two second mounting blocks 32, the press machine is started, the fixing plate 31 is driven to move downwards, the pressure lever 33 on the two second mounting blocks 32 moves downwards, and the solar cell 6 supported on the two support rods 23 is crushed, so that the three-point bending test is realized. The width of the fixing plate 31 is smaller than the distance between the two first mounting blocks, so that the power machine 4 can drive the fixing plate 31 to move downwards for a larger distance, and the pressure lever 33 can better crush the solar cell 6. The length direction of the pressure lever 33 is consistent with the length direction of the support rod 23, so that when the pressure lever 33 crushes the solar cell 6, the pressure lever 33 presses the middle position of the solar cell 6, and interference influence with the support rod 23 is avoided. The second mounting block 32 has the same structure as the first mounting block and includes a lower block 21 and an upper block 22 for facilitating the mounting of the press rod 33.
Please refer to fig. 1, fig. 3 and fig. 6, as a specific embodiment of the crushing device for bending strength test provided by the present invention, two ends of the pressing rod 33 are respectively rotatably connected to the corresponding second mounting blocks 32, the bearing 24 is disposed on the second mounting blocks 32, two ends of the pressing rod 33 are connected to the bearing 24, so that the power machine 4 drives the pressing rod 33 to crush the solar cell 6, when the pressing rod 33 contacts the solar cell 6, the bearing 24 is connected to enable the pressing rod 33 to rotate in the process of crushing the solar cell 6, thereby reducing or even eliminating the problem of calculating the mechanical strength of the solar cell 6 due to the influence of the friction force of the pressing rod 33 on the solar cell 6. And the pressure lever 33 with the required diameter can be replaced according to the requirement, and the replacement is convenient.
Referring to fig. 1, 3 and 7, as a specific embodiment of the crushing device for testing bending strength of the present invention, the crushing portion 3 includes a fixing plate 31, four second mounting blocks 32 and two pressing rods 33, the fixing plate 31 is disposed above the supporting seats 2 and between the two supporting seats 2, and the upper end of the fixing plate is fixedly connected to the power machine 4; the four second mounting blocks 32 are arranged in a pairwise corresponding and spaced manner and are all arranged at the lower end of the fixing plate 31; the two pressing rods 33 are arranged in parallel at intervals, two ends of each pressing rod 33 are arranged on the two corresponding second mounting blocks 32 respectively and used for crushing the solar cell 6, the two pressing rods 33 are arranged in parallel at intervals, and the two pressing rods 33 and the two supporting rods 23 are used for realizing four-point bending test of the solar cell 6. The power machine 4 is started to drive the fixing plate 31 to move downwards, so that the two pressure rods 33 simultaneously move downwards to crush the solar cell 6. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Please refer to fig. 1, fig. 3 and fig. 5, as a specific embodiment of the crushing device for testing bending strength provided by the present invention, the lower end of the fixing plate 31 is provided with two second chutes 311 for adjusting the distance between the two pressing rods 33, two corresponding second mounting blocks 32 are respectively in sliding fit with the two second chutes 311, the lower end of the fixing plate 31 is provided with two second chutes 311, the two second mounting blocks 32 at the two ends of the pressing rods 33 are respectively in sliding fit with the two second chutes 311, so that the distance between the two pressing rods 33 can be completed by adjusting the four second mounting blocks 32 to slide along the second chutes 311. The adjusting range of the distance between the two pressure rods 33 is 15-80 mm.
Referring to fig. 1 and 3, as a specific embodiment of the crushing device for bending strength test provided by the present invention, the crushing device for bending strength test further includes a connecting portion 5, a lower end of the connecting portion 5 is fixedly connected to an upper end of the crushing portion 3, and the upper end is provided with an installation groove 52 for installing a moving end of the power machine 4; the wall of the mounting groove 52 is provided with a pin hole, the moving end of the power machine 4 is provided with a positioning hole corresponding to the pin hole, and the connecting part 5 is fixedly connected with the power machine 4 through a pin shaft 51 penetrating through the pin hole and the positioning hole. The connecting part 5 can adopt a sleeve structure, the inner cylinder of the sleeve is a mounting groove 52, the moving end of the power machine 4 is inserted into the mounting groove 52, the pin hole corresponds to the positioning hole, and then the pin shaft 51 penetrates through the pin hole and the positioning hole to fixedly connect the moving end of the power machine 4 and the fixing plate 31 together. The pin connection is not easy to loosen and can bear variable load. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Please refer to fig. 4 and 5, as a specific embodiment of the crushing device for bending strength testing provided by the present invention, the base 1 is provided with the scale 12 for indicating the distance between the two supporting seats 2, so that the distance between the two pressing rods 33 can be adjusted according to the scale 12, and the operation is simpler and more convenient. The scale 12 is accurate to 1 mm.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Crushing device is used in bending strength test, its characterized in that includes:
the upper end of the base is provided with a first sliding chute;
the two supporting seats are arranged on the base at intervals and used for placing the solar cell, and the lower ends of the supporting seats are in sliding fit with the first sliding groove;
the crushing part is arranged above the supporting seats, is positioned between the two supporting seats and is used for moving downwards and crushing the solar cells;
and the power machine is fixedly connected with the crushing part and used for driving the crushing part to move downwards to crush the solar cell.
2. The crushing apparatus for testing bending strength according to claim 1, wherein the support seat comprises:
the two first mounting blocks are correspondingly arranged at intervals;
two ends of the support rod are respectively and rotatably connected to the two first mounting blocks and used for supporting the solar cell;
the first sliding grooves are arranged in parallel at intervals, and the two first mounting blocks are in one-to-one corresponding sliding fit with the two first sliding grooves respectively.
3. The breaking apparatus for bending strength testing of claim 2, wherein the first mounting block comprises:
the upper end of the lower block body is provided with a first groove, and the lower end of the lower block body is in sliding fit with the corresponding first sliding groove;
the upper block body is fixedly arranged on the lower block body, and the lower end of the upper block body is provided with a second groove which is butted with the first groove to form a mounting hole;
and the bearing is arranged in the mounting hole and used for rotatably supporting the supporting rod.
4. The breaking apparatus for bending strength test according to claim 3, wherein the lower block and the upper block are fixedly connected by a bolt passing through the upper block and the lower block.
5. The breaking apparatus for bending strength test according to claim 2, wherein the breaking portion comprises:
the upper end of the fixing plate is fixedly connected with the power machine;
the two second mounting blocks are correspondingly arranged at intervals and are fixedly arranged at the lower end of the fixing plate;
and two ends of the pressing rod are respectively arranged on the two second mounting blocks, and the length direction of the pressing rod is consistent with that of the supporting rod, so that the solar cell can be crushed.
6. The crushing device for testing bending strength of claim 5, wherein two ends of the pressing rod are respectively and rotatably connected with the corresponding second mounting blocks.
7. The breaking apparatus for bending strength test according to claim 2, wherein the breaking portion comprises:
the upper end of the fixing plate is fixedly connected with the power machine;
the four second mounting blocks correspond to each other in pairs at intervals and are arranged at the lower end of the fixing plate;
the two pressing rods are arranged in parallel at intervals, the length direction of the pressing rods is consistent with that of the supporting rods, and two ends of each pressing rod are arranged on the two corresponding second mounting blocks respectively and used for crushing the solar cells.
8. The crushing device for testing bending strength according to claim 7, wherein the lower end of the fixing plate is provided with two second sliding grooves for adjusting the distance between the two pressing rods, and the two second mounting blocks are respectively in sliding fit with the two second sliding grooves.
9. The breaking apparatus for bending strength test according to any one of claims 1 to 8, further comprising:
the lower end of the connecting part is fixedly connected with the upper end of the crushing part, and the upper end of the connecting part is provided with a mounting groove for mounting a moving end of the power machine;
the wall of the mounting groove is provided with a pin hole, the moving end of the power machine is provided with a positioning hole corresponding to the pin hole, and the connecting part is fixedly connected with the power machine through a pin shaft penetrating through the pin hole and the positioning hole.
10. The crushing device for testing bending strength of any one of claims 1 to 8, wherein the base is provided with a scale for indicating the distance between the two support seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920957062.XU CN210513960U (en) | 2019-06-24 | 2019-06-24 | Crushing device for bending strength test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920957062.XU CN210513960U (en) | 2019-06-24 | 2019-06-24 | Crushing device for bending strength test |
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| CN210513960U true CN210513960U (en) | 2020-05-12 |
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| CN201920957062.XU Active CN210513960U (en) | 2019-06-24 | 2019-06-24 | Crushing device for bending strength test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112652A (en) * | 2020-08-26 | 2022-03-01 | 富准精密模具(嘉善)有限公司 | Destructive testing device and testing method |
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2019
- 2019-06-24 CN CN201920957062.XU patent/CN210513960U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112652A (en) * | 2020-08-26 | 2022-03-01 | 富准精密模具(嘉善)有限公司 | Destructive testing device and testing method |
| CN114112652B (en) * | 2020-08-26 | 2024-06-21 | 富准精密模具(嘉善)有限公司 | Destructive testing device and testing method |
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