CN211318062U - Repeated bending test machine - Google Patents
Repeated bending test machine Download PDFInfo
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- CN211318062U CN211318062U CN201921927747.6U CN201921927747U CN211318062U CN 211318062 U CN211318062 U CN 211318062U CN 201921927747 U CN201921927747 U CN 201921927747U CN 211318062 U CN211318062 U CN 211318062U
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- workbench
- speed reducer
- bottom cabinet
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Abstract
The utility model discloses a repeated bending test machine, which comprises a bottom cabinet, a workbench welded at the middle part of the bottom cabinet, a motor and a controller arranged on the upper surface of the bottom cabinet, wherein the motor is arranged in the bottom cabinet and is positioned under the workbench, the motor is connected with the workbench through a motor base, and a speed reducer is arranged on the upper surface of the workbench and is positioned in the bottom cabinet; the main machine is driven by the motor, the worm and worm gear pair in the speed reducer is driven to decelerate through the belt pulley, the swing rod mechanism is driven to rotate +/-90 degrees through the transmission action of the sector wheel and the cylindrical gear, so that the guide sleeve on the swing rod drives the sample to bend +/-90 degrees, the aim of repeated bending test is achieved, the whole device only uses a single motor as a power source, the test is realized through the gear transmission mode, and the use cost of the whole testing machine can be reduced.
Description
Technical Field
The utility model relates to a test equipment field, in particular to repeated bending test machine.
Background
Most of the existing repeated bending test machines are driven by a motor to move back and forth repeatedly, so that the purpose of repeated bending test on a sample is achieved, however, when the motor is used as a driving source, the inertia force generated by rotation of the motor needs to be considered, and if the inertia force cannot be eliminated, the precision of the repeated bending test is influenced; meanwhile, the whole testing machine is complex in structure and can affect the use flexibility of the whole device.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a repeated bending test machine, which can effectively solve the problems of the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a repeated bending tester comprises a bottom cabinet, a workbench welded in the middle of the bottom cabinet, a motor and a controller arranged on the upper surface of the bottom cabinet,
the motor is arranged in the bottom cabinet and is positioned right below the workbench, the motor is connected with the workbench through the motor base, the speed reducer is installed on the upper surface of the workbench and is positioned in the bottom cabinet, the speed reducer is in transmission connection with the motor through the belt, the transmission mechanism is arranged in the bottom cabinet and is positioned on the upper surface of the workbench and adjacent to the speed reducer, the transmission mechanism is used for driving a sample to bend by +/-90 degrees, and the transmission mechanism is in transmission connection with the speed reducer through the rocker;
the clamping mechanism is arranged on the outer wall of the bottom cabinet and positioned on the upper surface of the workbench, and is used for clamping one end of a sample.
Preferably, the front side surface of the speed reducer and the surface close to the transmission mechanism are respectively provided with an eccentric wheel and a first belt wheel, the output end of the motor is provided with a second belt wheel in a matching manner, and the second belt wheel is in transmission connection with the first belt wheel through a belt.
Preferably, the transmission mechanism comprises a shaft bracket, a sector gear shaft and a cylindrical gear shaft which are arranged between the shaft bracket, a sector wheel fixedly assembled on the surface of the sector gear shaft, a cylindrical gear fixedly assembled on the surface of the cylindrical gear shaft and a swing mechanism arranged at one end of the cylindrical gear shaft, the swing mechanism is used for fixedly assembling the other end of the sample, and the sector wheel is in transmission connection with the cylindrical gear.
Preferably, the swing mechanism comprises a swing rod, a spring fixedly sleeved on the upper end of the swing rod, a second movable jaw and a shifting lever fixedly connected with the swing rod through a screw, a guide sleeve is assembled at one end of the shifting lever, and the swing mechanism is positioned right above the clamping mechanism.
Preferably, the surface of the cylindrical gear shaft is provided with a counting device, one side of the counting device is provided with two groups of photoelectric switches, and the counting device is connected with the controller through a lead.
Preferably, fixture includes crooked seat, welds the lead screw seat on crooked seat top, with the supporting lead screw of lead screw seat, welds the hand wheel in lead screw one end and suit in proper order at the fixed kicking block on lead screw surface, first activity is kept silent and is removed the kicking block.
Preferably, the controller is internally provided with a PLC chip and is connected with the motor through a wire.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a set up motor, speed reducer and drive mechanism and use in combination, the host computer is driven by the motor, through the worm and worm gear pair speed reduction in the belt pulley drive speed reducer, then through sector wheel and cylindrical gear's transmission effect, drive the pendulum rod mechanism and do 90 gyration to make the guide pin bushing on the pendulum rod drive the sample and do 90 bendings, reach the experimental purpose of repeated bending, the whole device only uses single motor as the power supply, realize the experiment through the form of gear drive, the use cost of reducible whole testing machine;
2. the utility model can arrange guide sleeves with different inner diameters on the deflector rod by using the swing mechanism, can adjust the deflector rod to different heights aiming at samples with different thicknesses, and improves the use flexibility of the whole device by using different guide sleeves as the deflector rod is sleeved on the surface of the swing rod;
3. the utility model discloses an use fixture, can have manual control's lead screw on crooked seat, rotate hand wheel with the hand and make the translation of keeping silent of first activity, press from both sides the sample tightly, whole mechanism can deal with the sample of different diameters, and when the swing mechanism that the cooperation was located the top was used, can change corresponding two sets of activities and keep silent and guide pin bushing in a flexible way.
Drawings
Fig. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
fig. 3 is a side view of the overall structure of the present invention.
In the figure: 1. a bottom cabinet; 2. a motor; 3. a motor base; 4. a work table; 5. a controller; 6. fixing the top block; 7. a first movable jaw; 8. moving the top block; 9. a lead screw seat; 10. a lead screw; 11. a hand-operated wheel; 12. a bending seat; 13. a speed reducer; 14. an eccentric wheel; 15. a rocker; 16. a first pulley; 17. a sector wheel; 18. a second pulley; 19. a spring; 20. a swing rod; 21. a second movable jaw; 22. a deflector rod; 23. a guide sleeve; 24. a cylindrical gear shaft; 25. a cylindrical gear; 26. a counting device; 27. a photoelectric switch; 28. a sector gear shaft; 29. and a shaft bracket.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, a repeated bending tester comprises a base cabinet 1, a worktable 4 welded at the middle part of the base cabinet 1, a motor 2 and a controller 5 arranged on the upper surface of the base cabinet 1,
the motor 2 is arranged in the bottom cabinet 1 and located right below the workbench 4, the motor 2 is connected with the workbench 4 through the motor base 3, the speed reducer 13 is installed on the upper surface of the workbench 4 and located in the bottom cabinet 1, the speed reducer 13 is in transmission connection with the motor 2 through a belt, a transmission mechanism is arranged in the bottom cabinet 1 and located on the upper surface of the workbench 4 and adjacent to the speed reducer 13, the transmission mechanism is used for driving a sample to bend +/-90 degrees, and the transmission mechanism is in transmission connection with the speed reducer 13 through a rocker 15;
the device also comprises a clamping mechanism arranged on the outer wall of the bottom cabinet 1 and positioned on the upper surface of the workbench 4, and the clamping mechanism is used for clamping one end of a sample.
Referring to fig. 2, an eccentric wheel 14 and a first belt wheel 16 are respectively arranged on the front side surface of the speed reducer 13 and the surface close to the transmission mechanism, a second belt wheel 18 is arranged at the output end of the motor 2 in a matching manner, and the second belt wheel 18 is in transmission connection with the first belt wheel 16 through a belt.
Referring to fig. 3, the transmission mechanism comprises shaft brackets 29, a sector gear shaft 28 and a cylindrical gear shaft 24 which are arranged between the shaft brackets 29, a sector wheel 17 fixedly assembled on the surface of the sector gear shaft 28, a cylindrical gear 25 fixedly assembled on the surface of the cylindrical gear shaft 24 and a swinging mechanism arranged at one end of the cylindrical gear shaft 24, wherein the swinging mechanism is used for fixedly assembling the other end of the sample, and the sector wheel 17 is in transmission connection with the cylindrical gear 25.
By adopting the technical scheme, the motor 2, the speed reducer 13 and the transmission mechanism are combined for use, the host is driven by the motor 2, the worm and worm gear pair in the speed reducer 13 is driven to reduce speed through the belt pulley, then the oscillating bar mechanism is driven to rotate by +/-90 degrees through the transmission action of the sector wheel 17 and the cylindrical gear 25, so that the guide sleeve 23 on the oscillating bar 20 drives the sample to bend by +/-90 degrees, the aim of repeated bending is achieved, the whole device only uses the single motor 2 as a power source, the test is realized through the gear transmission mode, and the use cost of the whole testing machine can be reduced.
Referring to fig. 3, the swing mechanism includes a swing rod 20, a spring 19 and a second movable jaw 21 fixedly sleeved on the upper end of the swing rod 20, and a shift lever 22 fixedly connected with the swing rod 20 through a screw, one end of the shift lever 22 is equipped with a guide sleeve 23, and the swing mechanism is located right above the clamping mechanism.
By adopting the technical scheme, the swing mechanism is used, the guide sleeve 23 with different inner diameters can be arranged on the shifting lever 22, samples with different thicknesses can be tested, the shifting lever 22 can be adjusted to different heights by sleeving the shifting lever 22 on the surface of the swing rod 20, and different guide sleeves 23 are used, so that the use flexibility of the whole device is improved.
Referring to fig. 3, a counting device 26 is mounted on the surface of the cylindrical gear shaft 24, and two sets of photoelectric switches 27 are mounted on one side of the counting device 26, and the counting device 26 is connected with the controller 5 through a lead.
After the test is finished, if the swing rod 20 is not stopped at the middle position, the reset key on the controller 5 can be pressed, so that the motor 2 continues to drive the swing rod 20 to swing until another photoelectric switch 27 collects the optical signal reflected by the counting device 26, and sends an instruction to the controller 5, at this time, the motor 2 stops working, so that the swing rod 20 is restored to the middle position.
The inertia force of the rotating shaft in the motor 2 is offset with the friction force among a plurality of transmission parts.
Referring to fig. 2, the clamping mechanism includes a bending seat 12, a screw rod seat 9 welded at the top end of the bending seat 12, a screw rod 10 matched with the screw rod seat 9, a hand wheel 11 welded at one end of the screw rod 10, and a fixed ejector block 6, a first movable jaw 7 and a movable ejector block 8 sequentially sleeved on the surface of the screw rod 10.
Through adopting above-mentioned technical scheme, use fixture, can have manual control's lead screw 10 on crooked seat 12, rotate hand wheel 11 with the hand and make first movable vice jaw 7 translation, press from both sides the sample tightly, whole mechanism can deal with the sample of different diameters, and when the swing mechanism that the cooperation was located the top was used, can change corresponding two sets of movable vice jaws and guide pin bushing 23 in a flexible way.
Referring to fig. 1 and 2, a PLC chip is provided inside the controller 5, and the controller 5 is connected to the motor 2 by a wire.
The working principle is as follows: the main machine is driven by the motor 2, drives the worm and worm gear pair in the speed reducer 13 to reduce speed through the belt pulley, and then drives the swing rod mechanism to rotate at an angle of +/-90 degrees through the transmission action of the sector wheel 17 and the cylindrical gear 25, so that the guide sleeve 23 on the swing rod 20 drives the sample to bend at an angle of +/-90 degrees, and the purpose of repeated bending test is achieved. Because the counting device 26 is arranged, one photoelectric switch 27 keeps on state every time the sample is bent, and the light reflected by the swing rod 20 is collected, so that the photoelectric switch 27 collects a signal once, and the purpose of counting is achieved; after the test is finished, if the swing rod 20 is not stopped at the middle position, the reset key on the controller 5 can be pressed, so that the motor 2 continues to drive the swing rod 20 to swing until another photoelectric switch 27 collects the optical signal reflected by the counting device 26, and sends an instruction to the controller 5, at this time, the motor 2 stops working, so that the swing rod 20 is restored to the middle position.
When the swing mechanism is used, the guide sleeve 23 with different inner diameters can be arranged on the shift lever 22, so that the shift lever 22 can be adjusted to different heights according to samples with different thicknesses as the shift lever 22 is sleeved on the surface of the swing rod 20, and different guide sleeves 23 are used, so that the use flexibility of the whole device is improved; the guide sleeve 23 can be placed in a preset hole of the shift lever 22, one end of a sample is inserted into the hole, and the sample is clamped and fixed by the spring 19 and is communicated with the shift lever 22.
When the clamping mechanism is used, a manually controlled lead screw 10 can be arranged on the bending seat 12, the hand-operated wheel 11 is rotated by hands to enable the first movable jaw 7 to translate, so that a sample is clamped, the whole mechanism can deal with samples with different diameters, and when the mechanism is matched with the swinging mechanism positioned above the mechanism to be used, two corresponding groups of movable jaws and the guide sleeve 23 can be flexibly replaced.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a repeated bending test machine, includes end cabinet (1), welds workstation (4), motor (2) and installs controller (5) at end cabinet (1) upper surface at end cabinet (1) middle part, its characterized in that:
the motor (2) is arranged in the bottom cabinet (1) and located right below the workbench (4), the motor (2) is connected with the workbench (4) through the motor base (3), the speed reducer (13) is installed on the upper surface of the workbench (4) and located in the bottom cabinet (1), the speed reducer (13) is in transmission connection with the motor (2) through the belt, the transmission mechanism is arranged in the bottom cabinet (1) and located on the upper surface of the workbench (4) and adjacent to the speed reducer (13), the transmission mechanism is used for driving a sample to bend within +/-90 degrees, and the transmission mechanism is in transmission connection with the speed reducer (13) through the rocker (15);
the device is characterized by further comprising a clamping mechanism arranged on the outer wall of the bottom cabinet (1) and located on the upper surface of the workbench (4), wherein the clamping mechanism is used for clamping one end of a sample.
2. The machine according to claim 1, wherein: an eccentric wheel (14) and a first belt wheel (16) are respectively arranged on the front side surface of the speed reducer (13) and the surface close to the transmission mechanism, a second belt wheel (18) is arranged at the output end of the motor (2) in a matched mode, and the second belt wheel (18) is in transmission connection with the first belt wheel (16) through a belt.
3. The machine according to claim 1, wherein: the transmission mechanism comprises shaft brackets (29), a sector gear shaft (28) and a cylindrical gear shaft (24) which are arranged between the shaft brackets (29), a sector wheel (17) fixedly assembled on the surface of the sector gear shaft (28), a cylindrical gear (25) fixedly assembled on the surface of the cylindrical gear shaft (24) and a swing mechanism arranged at one end of the cylindrical gear shaft (24), wherein the swing mechanism is used for fixedly assembling the other end of a sample, and the sector wheel (17) is in transmission connection with the cylindrical gear (25).
4. The machine according to claim 3, wherein: the swing mechanism comprises a swing rod (20), a spring (19) fixedly sleeved on the upper end of the swing rod (20), a second movable jaw (21) and a shifting lever (22) fixedly connected with the swing rod (20) through a screw, a guide sleeve (23) is assembled at one end of the shifting lever (22), and the swing mechanism is located right above the clamping mechanism.
5. The machine according to claim 3, wherein: the surface mounting of cylinder gear axle (24) has counting device (26), and one side of counting device (26) is equipped with two sets of photoelectric switch (27), through setting up the wire connection between counting device (26) and the controller (5).
6. The machine according to claim 1, wherein: the clamping mechanism comprises a bending seat (12), a lead screw seat (9) welded to the top end of the bending seat (12), a lead screw (10) matched with the lead screw seat (9), a hand-operated wheel (11) welded to one end of the lead screw (10), and a fixed ejector block (6), a first movable jaw (7) and a movable ejector block (8) which are sequentially sleeved on the surface of the lead screw (10).
7. The machine according to claim 1, wherein: the interior of controller (5) is provided with the PLC chip, and controller (5) are connected with motor (2) through setting up the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921927747.6U CN211318062U (en) | 2019-11-11 | 2019-11-11 | Repeated bending test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921927747.6U CN211318062U (en) | 2019-11-11 | 2019-11-11 | Repeated bending test machine |
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| Publication Number | Publication Date |
|---|---|
| CN211318062U true CN211318062U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921927747.6U Active CN211318062U (en) | 2019-11-11 | 2019-11-11 | Repeated bending test machine |
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| CN (1) | CN211318062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855685A (en) * | 2022-12-23 | 2023-03-28 | 宁波(北仑)中科海西产业技术创新中心 | Elastomer bending property test equipment |
-
2019
- 2019-11-11 CN CN201921927747.6U patent/CN211318062U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855685A (en) * | 2022-12-23 | 2023-03-28 | 宁波(北仑)中科海西产业技术创新中心 | Elastomer bending property test equipment |
| CN115855685B (en) * | 2022-12-23 | 2024-02-20 | 宁波(北仑)中科海西产业技术创新中心 | Elastomer bending property test equipment |
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