CN210690288U - Cantilever beam impact tester - Google Patents
Cantilever beam impact tester Download PDFInfo
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- CN210690288U CN210690288U CN201921068070.5U CN201921068070U CN210690288U CN 210690288 U CN210690288 U CN 210690288U CN 201921068070 U CN201921068070 U CN 201921068070U CN 210690288 U CN210690288 U CN 210690288U
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- bevel gear
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Abstract
The utility model discloses a cantilever beam impact tester, which comprises a bottom plate, wherein the bottom plate is provided with a vertical plate, the vertical plate is provided with a cross beam, the cross beam is rotatably provided with a cantilever, the cantilever is provided with a pendulum mass, the cross beam is connected with the vertical plate through a height adjusting mechanism, a clamping mechanism is arranged under the cantilever, the clamping mechanism comprises a mounting plate fixedly mounted on the bottom plate, a circular groove is arranged on the mounting plate, a first bevel gear is rotatably arranged in the circular groove, at least two second bevel gears uniformly distributed along the circumferential direction of the first bevel gear are in meshing transmission with the first bevel gear, the axis of the second bevel gear is horizontally arranged, the second bevel gear is coaxially and fixedly connected with the first lead screw, the lead screw rotates to be set up in the spout of mounting panel, be provided with first nut on the first lead screw, first nut upwards has the grip block through connecting block fixed mounting. The utility model has the advantages of strong commonality, simple structure, convenient operation.
Description
Technical Field
The utility model relates to a dyeing equipment technical field especially relates to a cantilever beam impact tester.
Background
The cantilever beam tester is a test device for measuring the impact toughness of non-metallic materials such as plastics, nylon, hard rubber, glass fiber reinforced plastics, electrical insulating materials and the like. Generally, after the production of the plastic is finished, a series of tests are carried out, wherein a cantilever beam notch impact test is to cut a plastic sample into a notch for impact testing.
Among the prior art, cantilever beam impact tester is when using, and the sample passes through the fixed centre gripping of clamp on the sample support, and at this moment, because the position and the size of clamp keeping silent are fixed, consequently can't satisfy the effective centre gripping of the sample to multiple different specifications, including the change of the clamp keeping silent very inconvenient for cantilever beam impact tester among the prior art can't test the sample of multiple different specifications simply, high-efficiently, and the in-service use is got up very inconveniently.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the technical problem to be solved by the present patent application is: how to provide a strong, simple structure, convenient operation's cantilever beam impact tester of commonality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cantilever beam impact tester comprises a bottom plate, wherein a vertical plate is vertically arranged on the bottom plate, a cross beam is arranged on the vertical plate, a cantilever is rotatably arranged on the cross beam, a pendulum bob is arranged on the cantilever, the cross beam is connected with the vertical plate through a height adjusting mechanism, a clamping mechanism is arranged under the cantilever and comprises a mounting plate fixedly mounted on the bottom plate, a circular groove is arranged on the mounting plate, the axis of the circular groove is superposed with the hinged joint of the cantilever and the cross beam, a first bevel gear is rotatably mounted in the circular groove and is in transmission connection with a power input mechanism, the axis of the first bevel gear is vertically arranged, at least two second bevel gears uniformly distributed along the circumferential direction of the first bevel gear are in meshing transmission on the first bevel gear, and the axis of the second bevel gears is horizontally arranged, the second bevel gear is fixedly connected with the first lead screw in a coaxial mode, the lead screw is rotatably arranged in a chute of the mounting plate, a first nut is arranged on the first lead screw, the first nut is slidably mounted in the chute, and the first nut is upwards fixedly provided with a clamping plate through a connecting block.
When the impact test device is used, a sample is placed on the mounting plate, the power input mechanism drives the first bevel gear to rotate, so that the second bevel gear is driven to rotate, the second bevel gear rotates to drive the first lead screw to rotate, the nut and the connecting block on the first lead screw horizontally move, the first bevel gear is respectively in meshing transmission with different second bevel gears, the first lead screw has the same rotating direction relative to the circle center of the first bevel gear, the first nut on each first lead screw simultaneously moves close to or away from the circle center of the first bevel gear, the sample is clamped or loosened, and after the sample is compressed, the height adjusting mechanism adjusts the height of the pendulum bob to be matched with the height of the sample, so that the impact test can be completed. The utility model provides a cantilever beam arm impact tester can match the centre gripping to the sample of various size height, and the commonality is strong, has practiced thrift the cost, has promoted test efficiency.
As an optimization, the height adjusting mechanism comprises a rectangular groove vertically arranged on the vertical plate, the rectangular groove is right opposite to the beam, a second lead screw is installed in the rectangular groove in a rotating mode, a second nut is matched on the second lead screw, the second nut is installed in the rectangular groove in a sliding mode, the second nut is fixedly connected with the beam, and the second lead screw penetrates out of the upper portion of the vertical plate and is connected with the hand wheel in a rotating mode.
Like this, rotatory hand wheel drives the second lead screw and rotates to accomplish the up-and-down slip of second nut in the rectangular channel, realize the altitude mixture control of crossbeam and cantilever, this adjustment is accomplished the back at the sample centre gripping, proofreads and adjusts through manual, and the accuracy is high, and the operability is strong.
Preferably, the power input mechanism is a driving motor, the driving motor is installed in the bottom plate, and an output shaft of the driving motor penetrates through the bottom plate and the installation plate to be in coaxial transmission connection with the first bevel gear.
Thus, the driving motor can provide stable output power for the first piebald horse travelling wheel, and the degree of automation is high.
Preferably, a blind hole is formed in one end, right opposite to the clamping plate, of the connecting block, a spring is arranged in the blind hole, a pressure sensor is arranged between the spring and the bottom of the blind hole, the other end of the spring is fixedly connected with the clamping plate, and one end of the clamping plate extends into the blind hole.
Like this, the grip block is with the material after contact, and the spring can play the cushioning effect, avoids too big to the impact of material, and when pressure sensor reached fixed pressure value, it is stable to show the centre gripping to control driving motor stall.
Preferably, the end face, far away from the connecting block, of the clamping plate is an arc-shaped face.
In this way, the clamping of the round bar-shaped workpiece is facilitated.
Preferably, the end part of the cross beam is provided with an angle dial.
Therefore, the inclination angle of the controllable cantilever can be observed, and data recording is facilitated.
Preferably, the first lead screw is mounted in the sliding groove through a first bearing, and the second lead screw is mounted in the rectangular groove through a second bearing.
Thus, the first lead screw and the second lead screw can be smoothly rotated.
Drawings
Fig. 1 is the utility model discloses a cantilever beam impact tester's structural schematic.
Fig. 2 is a side view of fig. 1.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Figure 4 is a top view of the clamping mechanism in figure 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a cantilever beam impact tester comprises a bottom plate 1, wherein a vertical plate 11 is vertically arranged on the bottom plate 1, a cross beam 12 is arranged on the vertical plate 11, a cantilever 13 is rotatably arranged on the cross beam 12, a pendulum 14 is arranged on the cantilever 13, the cross beam 12 is connected with the vertical plate 11 through a height adjusting mechanism, a clamping mechanism is arranged under the cantilever 13, the clamping mechanism comprises an installation plate 15 fixedly arranged on the bottom plate 1, a circular groove is arranged on the installation plate 15, the axis of the circular groove is coincident with the hinge point of the cantilever 13 and the cross beam 12, a first bevel gear 16 is rotatably arranged in the circular groove, the first bevel gear 16 is in transmission connection with a power input mechanism, the axis of the first bevel gear 16 is vertically arranged, at least two second bevel gears 17 uniformly distributed along the circumferential direction of the first bevel gear are in meshing transmission on the first bevel gear 16, the axis level of second bevel gear 17 sets up, second bevel gear 17 and the coaxial fixed connection of first lead screw 18, first lead screw 18 rotates and sets up in the spout 19 of mounting panel 15, be provided with first nut 2 on the first lead screw 18, 2 slidable mounting of first nut are in the spout 19, first nut 2 upwards has grip block 22 through connecting block 21 fixed mounting.
When the impact test device is used, a sample is placed on the mounting plate, the power input mechanism drives the first bevel gear to rotate, the second bevel gear is driven to rotate, the first lead screw is driven to rotate by the second bevel gear, the nut and the connecting block on the first lead screw horizontally move, the first bevel gear is in meshing transmission with the second bevel gear at different positions, the rotating directions of all the second bevel gears are the same, the first nut on each first lead screw is in horizontal movement close to or away from the circle center of the first bevel gear, the sample is clamped or loosened, after the sample is compressed, the height of the pendulum bob is adjusted by the height adjusting mechanism, and the impact test can be completed. The utility model provides a cantilever beam arm impact tester can match the centre gripping to the sample of various size height, and the commonality is strong, has practiced thrift the cost, has promoted test efficiency.
Specifically, the first lead screws 18 include four, and two adjacent first lead screws 18 are perpendicular to each other, so that the sample can be clamped and stabilized in multiple directions.
In this embodiment, the height adjusting mechanism includes a rectangular groove 23 vertically disposed on the vertical plate 11, the rectangular groove 23 is disposed opposite to the cross beam 12, a second lead screw 24 is rotatably mounted in the rectangular groove 23, a second nut 25 is fitted on the second lead screw 24, the second nut 25 is slidably mounted in the rectangular groove 23, the second nut 25 is fixedly connected with the cross beam 12, and the second lead screw 24 penetrates through the upper side of the vertical plate 11 and is rotatably connected with a hand wheel 26.
Like this, rotatory hand wheel drives the second lead screw and rotates to accomplish the up-and-down slip of second nut in the rectangular channel, realize the altitude mixture control of crossbeam and cantilever, this adjustment is accomplished the back at the sample centre gripping, proofreads and adjusts through manual, and the accuracy is high, and the operability is strong.
In this embodiment, the power input mechanism is a driving motor 27, the driving motor 27 is installed in the bottom plate 1, and an output shaft of the driving motor 27 passes through the bottom plate 1 and the installation plate 15 to be coaxially connected with the first bevel gear 18 in a transmission manner.
Thus, the driving motor can provide stable output power for the first piebald horse travelling wheel, and the degree of automation is high.
In this embodiment, a blind hole is formed in one end, facing the clamping plate 22, of the connecting block 21, a spring 28 is arranged in the blind hole, a pressure sensor 29 is arranged between the spring 28 and the bottom of the blind hole, the other end of the spring 28 is fixedly connected with the clamping plate 22, and one end of the clamping plate 22 extends into the blind hole.
Like this, the grip block is with the material after contact, and the spring can play the cushioning effect, avoids too big to the impact of material, and when pressure sensor reached fixed pressure value, it is stable to show the centre gripping to control driving motor stall.
Specifically, the pressure sensor 29 is an M407439 pressure sensor, and has a small volume and accurate detection.
In this embodiment, the end surface of the clamping plate 22 away from the connecting block 21 is an arc surface.
In this way, the clamping of the round bar-shaped workpiece is facilitated.
In this embodiment the beam end is provided with an angle dial 3.
Therefore, the inclination angle of the controllable cantilever can be observed, and data recording is facilitated.
In this embodiment, the first lead screw 18 is mounted in the slide groove 19 via a first bearing, and the second lead screw 24 is mounted in the rectangular groove 23 via a second bearing.
Thus, the first lead screw and the second lead screw can be smoothly rotated.
The clamping device comprises a driving motor, a pressure sensor, a PLC, a clamping controller and a controller, wherein the PLC is electrically connected with the driving motor and the pressure sensor and is used for controlling clamping, in-place and loosening of clamping and coordinately controlling the matching among all parts to achieve the best clamping effect.
Specifically, the PLC is S-700 in model number, and belongs to the prior art.
Specifically, specifically introduced in this scheme and carried out the centre gripping to the material of co-altitude not, size stably, cantilever beam impact test's principle is prior art.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A cantilever beam impact tester is characterized by comprising a bottom plate, wherein a vertical plate is vertically arranged on the bottom plate, a cross beam is arranged on the vertical plate, a cantilever is rotatably arranged on the cross beam, a pendulum bob is arranged on the cantilever, the cross beam is connected with the vertical plate through a height adjusting mechanism, a clamping mechanism is arranged under the cantilever and comprises a mounting plate fixedly arranged on the bottom plate, a circular groove is arranged on the mounting plate, the axle center of the circular groove is superposed with the hinge point of the cantilever and the cross beam, a first bevel gear is rotatably arranged in the circular groove and is in transmission connection with a power input mechanism, the axis of the first bevel gear is vertically arranged, at least two second bevel gears are in meshing transmission and are uniformly arranged along the circumferential direction of the first bevel gear, the axis level of second bevel gear sets up, second bevel gear and the coaxial fixed connection of first lead screw, the lead screw rotates to set up in the spout of mounting panel, be provided with first nut on the first lead screw, first nut slidable mounting be in the spout, first nut upwards has the grip block through connecting block fixed mounting.
2. The cantilever beam impact tester of claim 1, wherein the height adjustment mechanism comprises a rectangular groove vertically arranged on the vertical plate, the rectangular groove is arranged opposite to the cross beam, a second lead screw is rotatably arranged in the rectangular groove, a second nut is matched on the second lead screw, the second nut is slidably arranged in the rectangular groove, the second nut is fixedly connected with the cross beam, and the second lead screw penetrates through the upper part of the vertical plate and is rotatably connected with a hand wheel.
3. The cantilever impact tester of claim 2, wherein the power input mechanism is a driving motor, the driving motor is mounted in the base plate, and an output shaft of the driving motor passes through the base plate and the mounting plate to be coaxially connected with the first bevel gear in a transmission manner.
4. The cantilever beam impact tester of claim 3, wherein the connecting block has a blind hole at one end facing the clamping plate, a spring is disposed in the blind hole, a pressure sensor is disposed between the spring and the bottom of the blind hole, the other end of the spring is fixedly connected to the clamping plate, and one end of the clamping plate extends into the blind hole.
5. The izod impact tester according to claim 4, wherein the end surface of the clamping plate away from the connecting block is an arc-shaped surface.
6. The izod impact tester according to claim 5, wherein said beam ends are provided with angular scales.
7. The cantilever beam impact tester of claim 6, wherein the first lead screw is mounted in the slide slot via a first bearing, and the second lead screw is mounted in the rectangular slot via a second bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068070.5U CN210690288U (en) | 2019-07-10 | 2019-07-10 | Cantilever beam impact tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068070.5U CN210690288U (en) | 2019-07-10 | 2019-07-10 | Cantilever beam impact tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210690288U true CN210690288U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921068070.5U Active CN210690288U (en) | 2019-07-10 | 2019-07-10 | Cantilever beam impact tester |
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| CN (1) | CN210690288U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179792A (en) * | 2020-09-28 | 2021-01-05 | 光明乳业股份有限公司 | Glass bottle and can impact resistance tester and method |
| CN113075476A (en) * | 2021-03-24 | 2021-07-06 | 国网宁夏电力有限公司吴忠供电公司 | Flow sensitive tester for primary current limiting resonance eliminator |
| CN115139250A (en) * | 2022-09-02 | 2022-10-04 | 常熟市环境试验设备有限公司 | Precision workpiece clamping and positioning device for low-temperature impact testing machine |
-
2019
- 2019-07-10 CN CN201921068070.5U patent/CN210690288U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179792A (en) * | 2020-09-28 | 2021-01-05 | 光明乳业股份有限公司 | Glass bottle and can impact resistance tester and method |
| CN113075476A (en) * | 2021-03-24 | 2021-07-06 | 国网宁夏电力有限公司吴忠供电公司 | Flow sensitive tester for primary current limiting resonance eliminator |
| CN115139250A (en) * | 2022-09-02 | 2022-10-04 | 常熟市环境试验设备有限公司 | Precision workpiece clamping and positioning device for low-temperature impact testing machine |
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