CN220104754U - Cantilever beam impact testing machine for detecting plastic strength - Google Patents
Cantilever beam impact testing machine for detecting plastic strength Download PDFInfo
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- CN220104754U CN220104754U CN202321078437.8U CN202321078437U CN220104754U CN 220104754 U CN220104754 U CN 220104754U CN 202321078437 U CN202321078437 U CN 202321078437U CN 220104754 U CN220104754 U CN 220104754U
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- 239000004033 plastic Substances 0.000 title claims abstract description 25
- 229920003023 plastic Polymers 0.000 title claims abstract description 25
- 238000009863 impact test Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a cantilever beam impact testing machine for detecting plastic strength, and belongs to the technical field of plastic strength detection. The utility model provides a be used for plastics intensity to detect cantilever beam impact testing machine, includes base and rotates the pendulum that sets up on the base, still includes: the vertical plate is fixedly arranged on the base, a first rotating shaft is arranged on the vertical plate in a sliding mode, a connecting rod is connected to the first rotating shaft in a rotating mode, the pendulum bob is fixedly arranged at the bottom of the connecting rod, and an adjusting component used for limiting the first rotating shaft to slide is arranged on the vertical plate; the base is provided with a clamping assembly for clamping a test piece; according to the utility model, the clamping plate is arranged on the adjusting plate and meshed with the rack on the vertical plate, so that the impact position of the pendulum bob can be adjusted according to the length of the test piece, and on the other hand, after the adjustment is finished, the clamping teeth are meshed with the rack, so that the test cannot be normally finished due to the fact that the clamping plate slides during working.
Description
Technical Field
The utility model relates to the technical field of plastic strength detection, in particular to a cantilever beam impact testing machine for plastic strength detection.
Background
The cantilever impact tester is generally used for measuring impact toughness of nonmetallic materials such as hard plastics, reinforced nylon, glass fiber reinforced plastics, ceramics, cast stones, electric insulating materials and the like, and is a detection instrument with simple structure, attractive appearance, convenient operation and accurate data.
The traditional cantilever beam impact testing machine can refer to the Chinese patent document with the issued publication number of CN206804455U, and discloses the cantilever beam impact testing machine, which comprises a base, a supporting upright post, a dial, a cantilever, a pendulum, a shield and a sample clamp, wherein a cavity is formed in the base, a first opening and a second opening communicated with the cavity are formed in the base, the first opening is positioned below the shield, a clamp seat is arranged at the bottom of the sample clamp, a through hole is formed in the clamp seat, and the through hole is communicated with the second opening. The base is internally provided with the cavity which is communicated with the two openings, the test samples respectively fall into the cavity after being impacted and broken, and the test samples are subjected to repeated tests, so that the samples subjected to the tests are intensively processed, the overall functions are complete, and the practicability is high.
When the cantilever beam impact testing machine in the prior art is used, when the lengths of the samples are different, the height of the cantilever beam cannot be adjusted, so that the operation is troublesome, the cantilever beam impact testing machine tests the samples with various different specifications, and the practical use is very inconvenient.
Disclosure of Invention
The utility model aims to solve the problem of troublesome operation caused by incapacity of adjusting the height of a cantilever in the prior art, and provides a cantilever impact testing machine for detecting the strength of plastics.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a be used for plastics intensity to detect cantilever beam impact testing machine, includes base and rotates the pendulum that sets up on the base, still includes: the vertical plate is fixedly arranged on the base, a first rotating shaft is arranged on the vertical plate in a sliding mode, a connecting rod is connected to the first rotating shaft in a rotating mode, the pendulum bob is fixedly arranged at the bottom of the connecting rod, and an adjusting component used for limiting the first rotating shaft to slide is arranged on the vertical plate; the base is provided with a clamping assembly for clamping the test piece.
In order to be able to adjust the position of the spindle on the riser, the adjustment assembly preferably comprises: the rack is fixedly arranged on the outer wall of the vertical plate, an adjusting plate is fixedly connected to the outer side of the first extending vertical plate of the rotating shaft, a second rotating shaft is fixedly arranged on the adjusting plate, a clamping plate is rotatably arranged on the second rotating shaft, and a clamping tooth meshed with the rack is fixedly arranged at one end of the clamping plate; the second rotating shaft is rotationally connected with a torsion spring, two ends of the torsion spring are respectively propped against the adjusting plate and the clamping plate, and a button is fixedly arranged on the adjusting plate, which extends out of the other end of the clamping plate.
In order to ensure reliable fixing of the test piece, preferably, the clamping assembly comprises a clamping seat arranged on the base in a sliding manner, wherein a second adjusting rod used for driving the clamping seat to slide is connected to the base in a threaded manner, a clamping block is connected to the clamping seat in a sliding manner, a first adjusting rod is connected to the clamping seat in a threaded manner, and one end, far away from the clamping seat, of the first adjusting rod is connected to the clamping block in a rotating manner.
In order to enable the pendulum bob to achieve free falling body impact test pieces, the pendulum bob further comprises a limiting plate, wherein a cavity is formed in the vertical plate, the limiting plate is arranged in the cavity in a sliding mode, one end, extending out of the cavity, of the limiting plate is fixedly provided with a limiting rod, the limiting rod is matched with the connecting rod, and the other end of the limiting plate is fixedly provided with a pull rod.
Further, a spring is sleeved on the pull rod, and two ends of the spring are respectively propped against the limiting plate and the cavity.
Preferably, an electric telescopic rod is fixedly connected to the vertical plate, an interception rod for intercepting the connecting rod is fixedly arranged at the output end of the electric telescopic rod, and a photoelectric sensor is fixedly connected to the electric telescopic rod.
Compared with the prior art, the utility model provides the cantilever beam impact testing machine for detecting the plastic strength, which has the following beneficial effects:
1. according to the cantilever beam impact testing machine for detecting the plastic strength, the clamping plate is arranged on the adjusting plate and meshed with the rack on the vertical plate, so that the impact position of the pendulum bob can be adjusted according to the length of the test piece, and the clamping teeth are meshed with the rack after the adjustment is finished, so that the test cannot be normally finished due to the fact that the clamping plate slides during working;
2. according to the cantilever beam impact testing machine for detecting the plastic strength, the clamping seat is arranged on the base in a sliding manner, and the two clamping blocks are arranged on the clamping seat, so that the clamping effect can be guaranteed by adjusting the cross section shape of a test piece, the test pieces in various different shapes can be clamped, and the test precision is improved;
3. this a cantilever beam impact testing machine for plastic strength detects through set up the interception pole on the riser, can intercept the connecting rod when using, reduces its swing back and forth's number of times, helps improving detection efficiency.
The device has the advantages that the impact position of the pendulum bob can be adjusted according to the length of a test piece on one hand, and on the other hand, after the adjustment is finished, the clamping teeth are meshed with the racks, so that the device can be prevented from sliding during working, and the test cannot be normally finished.
Drawings
FIG. 1 is a front view of a cantilever impact tester for detecting plastic strength according to the present utility model;
FIG. 2 is a schematic diagram of a structure of an adjusting plate of a cantilever impact tester for detecting plastic strength;
fig. 3 is a left side view of a cantilever impact tester for detecting plastic strength according to the present utility model.
In the figure: 1. a base; 101. a connecting rod; 102. a pendulum; 2. a vertical plate; 201. a rack; 202. a cavity; 3. a limit rod; 301. a limiting plate; 302. a spring; 303. a pull rod; 4. an adjusting plate; 401. a first rotating shaft; 402. a clamping plate; 403. a second rotating shaft; 5. a clamping seat; 501. an adjusting rod I; 502. an adjusting rod II; 6. an electric telescopic rod; 601. an interception bar; 602. a photoelectric sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples:
referring to fig. 1 to 3, a cantilever impact tester for detecting plastic strength, comprising a base 1, a pendulum 102 rotatably provided on the base 1 for impacting a test piece, and further comprising: the vertical plate 2 is fixedly arranged on the base 1, the dial for displaying test data is fixedly arranged on the vertical plate 2, the first rotating shaft 401 is slidably arranged on the vertical plate 2, the first rotating shaft 401 is rotatably connected with the connecting rod 101, the pendulum 102 is fixedly arranged at the bottom of the connecting rod 101, the vertical plate 2 is provided with an adjusting component for limiting the first rotating shaft 401 to slide, and therefore, a plurality of samples with different specifications can be tested, and the practical use is convenient; be provided with the clamping assembly who is used for the centre gripping test piece on base 1, when using, fix the test piece on the clamping assembly, then according to the length of test piece, through the position of adjusting part adjustment pivot one 401 on riser 2, rotate connecting rod 101, according to experimental requirement, make pendulum 102 be in suitable striking height, loosen the control to connecting rod 101, make pendulum 102 free fall striking test piece, observe the record data.
Referring to fig. 1-3, the adjustment assembly includes: the rack 201 is fixedly arranged on the outer wall of the vertical plate 2, wherein the first rotating shaft 401 extends out of the vertical plate 2 and is fixedly connected with the adjusting plate 4, the second rotating shaft 403 is fixedly arranged on the adjusting plate 4, a limiting groove is formed in the vertical plate 2, the first rotating shaft 401 is slidably connected in the limiting groove, the second rotating shaft 403 is rotatably provided with a clamping plate 402, and one end of the clamping plate 402 is fixedly provided with a clamping tooth meshed with the rack 201; the second rotating shaft 403 is rotationally connected with a torsion spring, two ends of the torsion spring are respectively propped against the adjusting plate 4 and the clamping plate 402, the other end of the clamping plate 402 extends out of the adjusting plate 4 to be fixedly provided with a button, wherein the clamping plate 402 is similar to a teeterboard, except that one end of the clamping plate 402 with a latch is always meshed with the rack 201 under the action of the torsion spring, the first rotating shaft 401 slides up and down according to the length of a test piece to realize the adjustment of the impact position of the pendulum 102, when the second rotating shaft is used, the button on the clamping plate 402 is pressed, the latch is separated from being meshed with the rack 201, then the position of the adjusting plate 4 is slid up and down, the pendulum 102 is positioned at a proper position, after the position of the pendulum 102 is determined, the button on the clamping plate 402 is released, the latch is meshed with the rack 201 again, the position of the adjusting plate 4 can be limited, the test is prevented from sliding during working, and the test cannot be completed normally.
Referring to fig. 1 and 3, the clamping assembly comprises a clamping seat 5 slidably arranged on a base 1, wherein a second adjusting rod 502 for driving the clamping seat 5 to slide is connected to the base 1 in a threaded manner, a clamping block is slidably connected to the clamping seat 5, the clamping block is divided into two parts, one part is used for clamping a long-strip-shaped test piece, a continuous arc-shaped groove is formed in the clamping surface of the other part and is used for clamping a column body with a circular cross section, clamping effects can be guaranteed, a plurality of test pieces with different shapes can be clamped, the using effects are improved, a first adjusting rod 501 is connected to the clamping seat 5 in a threaded manner, one end of the first adjusting rod 501, far from the clamping seat 5, is rotatably connected to the clamping block, the first adjusting rod 501 and the second adjusting rod 502 are both provided with self-locking functions, when the test piece is placed in the clamping surface of the clamping block and the clamping seat 5 in use, the clamping block is made to be close to a clamping column for clamping the clamping seat 5, then the test piece is located at an optimal impact position of the pendulum 102 by rotating the second adjusting the clamping seat 5 on the base 1 according to the cross section shape of the test piece.
Referring to fig. 1 and 3, a cantilever beam impact testing machine for detecting plastic strength further includes a limiting plate 301, wherein a cavity 202 is provided in the vertical plate 2, the limiting plate 301 is slidably disposed in the cavity 202, one end of the limiting plate 301 extending out of the cavity 202 is fixedly provided with a limiting rod 3, the limiting rod 3 is matched with the connecting rod 101, and the other end of the limiting plate 301 is fixedly provided with a pull rod 303. The pull rod 303 is sleeved with the spring 302, two ends of the spring 302 respectively prop against the limiting plate 301 and the cavity 202, when the device is used, the connecting rod 101 is rotated to be clamped on the limiting rod 3, then the pull rod 303 is pulled, the limiting plate 301 slides rightwards with the limiting rod 3, at the moment, the limiting rod 3 is separated from control of the connecting rod 101, and the pendulum 102 freely falls to impact a test piece.
Fixedly connected with electric telescopic handle 6 on riser 2, electric telescopic handle 6's output is fixed to be provided with the interception pole 601 that is used for intercepting connecting rod 101, and fixedly connected with photoelectric sensor 602 on the electric telescopic handle 6, photoelectric sensor 602 can detect connecting rod 101's swing, after connecting rod 101 striking test piece, along with inertial pendulum back, photoelectric sensor 602 detects connecting rod 101 the second time, photoelectric sensor 602 adopts prior art with electric telescopic handle 6 relation of connection, photoelectric sensor 602 sends the signal to electric telescopic handle 6 at this moment, electric telescopic handle 6 stretches out with interception pole 601, interception pole 601 can intercept connecting rod 101, reduce its round trip pendulum's number of times, help improving detection efficiency.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a be used for plastics intensity to detect cantilever beam impact testing machine, includes base (1) and rotates pendulum (102) that sets up on base (1), its characterized in that still includes:
a vertical plate (2) fixedly arranged on the base (1),
the vertical plate (2) is provided with a first rotating shaft (401) in a sliding mode, the first rotating shaft (401) is rotationally connected with a connecting rod (101), the pendulum bob (102) is fixedly arranged at the bottom of the connecting rod (101), and the vertical plate (2) is provided with an adjusting component for limiting the first rotating shaft (401) to slide;
the base (1) is provided with a clamping assembly for clamping a test piece.
2. The cantilever impact tester for plastic strength detection according to claim 1, wherein the adjusting assembly comprises:
a rack (201) fixedly arranged on the outer wall of the vertical plate (2),
the adjusting plate (4) is fixedly connected to the outer part of the first rotating shaft (401) extending out of the vertical plate (2), the second rotating shaft (403) is fixedly arranged on the adjusting plate (4), a clamping plate (402) is rotatably arranged on the second rotating shaft (403), and a clamping tooth meshed with the rack (201) is fixedly arranged at one end of the clamping plate (402);
the rotating shaft II (403) is rotationally connected with a torsion spring, two ends of the torsion spring respectively prop against the adjusting plate (4) and the clamping plate (402), and a button is fixedly arranged on the adjusting plate (4) extending out of the other end of the clamping plate (402).
3. The cantilever impact tester for plastic strength detection according to claim 1, wherein the clamping assembly comprises
A clamping seat (5) arranged on the base (1) in a sliding way,
the base (1) is connected with a second adjusting rod (502) for driving the clamping seat (5) to slide, the clamping seat (5) is connected with a clamping block in a sliding mode, the clamping seat (5) is connected with a first adjusting rod (501) in a threaded mode, and one end, far away from the clamping seat (5), of the first adjusting rod (501) is connected onto the clamping block in a rotating mode.
4. A cantilever impact tester for plastic strength detection according to claim 1, further comprising a limiting plate (301),
the vertical plate (2) is internally provided with a cavity (202), the limiting plate (301) is slidably arranged in the cavity (202), one end of the limiting plate (301) extending out of the cavity (202) is fixedly provided with a limiting rod (3), the limiting rod (3) is matched with the connecting rod (101), and the other end of the limiting plate (301) is fixedly provided with a pull rod (303).
5. The cantilever impact tester for detecting the plastic strength according to claim 4, wherein the pull rod (303) is sleeved with a spring (302), and two ends of the spring (302) are respectively abutted against the limiting plate (301) and the cavity (202).
6. The cantilever impact testing machine for detecting plastic strength according to claim 1, wherein an electric telescopic rod (6) is fixedly connected to the vertical plate (2), an interception rod (601) for intercepting the connecting rod (101) is fixedly arranged at the output end of the electric telescopic rod (6), and a photoelectric sensor (602) is fixedly connected to the electric telescopic rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321078437.8U CN220104754U (en) | 2023-05-08 | 2023-05-08 | Cantilever beam impact testing machine for detecting plastic strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321078437.8U CN220104754U (en) | 2023-05-08 | 2023-05-08 | Cantilever beam impact testing machine for detecting plastic strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220104754U true CN220104754U (en) | 2023-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321078437.8U Active CN220104754U (en) | 2023-05-08 | 2023-05-08 | Cantilever beam impact testing machine for detecting plastic strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220104754U (en) |
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2023
- 2023-05-08 CN CN202321078437.8U patent/CN220104754U/en active Active
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