CN202661342U - Table type cotton straw reciprocating cutting test bench - Google Patents
Table type cotton straw reciprocating cutting test bench Download PDFInfo
- Publication number
- CN202661342U CN202661342U CN 201220350360 CN201220350360U CN202661342U CN 202661342 U CN202661342 U CN 202661342U CN 201220350360 CN201220350360 CN 201220350360 CN 201220350360 U CN201220350360 U CN 201220350360U CN 202661342 U CN202661342 U CN 202661342U
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- taiwan
- ceding
- cutting
- cotton straw
- blade
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Abstract
The utility model relates to a table type cotton straw reciprocating cutting test bench. The table type cotton straw reciprocating cutting test bench mainly comprises a base table, a cutting table, a sliding chute, a sliding block, a blade fixing beam, a fixed blade, a moving blade, a forward-moving shaft, a bearing, a cutting force sensor, a thrust sensor, a gear-rack drive mechanism, a crank connecting rod, a cotton straw fixing device, an angle adjusting device, an alternating-current (AC) speed-reducing motor, a servo motor, a travel limit switch and a control system. The table type cotton straw reciprocating cutting test bench can be controlled manually or automatically, the distance between the fixed blade and the moving blade can be adjusted, the speed of the moving blade relative to the fixed blade can be adjusted, the angle of each of the two groups of the blades relative to cotton straw can be adjusted, the forward-moving speed of each of the two groups of the blades relative to the cotton straw can be adjusted, and the values of cutting forces when the cotton straw is cut at different angles and at different speeds can be calculated; and according to the table type cotton straw reciprocating cutting test bench, fixed blades and moving blades in various harvesting machinery can be replaced, and various cutting needs can be met.
Description
(1) technical field
The utility model relates to a kind of desk-top cotton stalk reciprocating cutting testing table, belongs to agricultural mechanical field.
(2) background technology
The mechanical property of cotton stalk is important parameter and the foundation of the cotton stalk results of design and processing equipment, also is the important indicator of estimating Resistance Strain of Cotton lodging characteristic.At present the research of cotton stalk mechanical performance index mainly relied on universal testing machine, can do the experiments such as stretching, compression, bending, shearing, but because it is bulky, expensive, poor anti jamming capability, and noise is large during work, can not carry out on-the-spot test in the field of the unregulated power energy, has limited its range of application.
(3) utility model content
In order to overcome the above problems, the utility model provides a kind of desk-top cotton stalk reciprocating cutting testing table, has effectively solved the problems such as huge and poor anti jamming capability of present harvesting machinery.The utility model can be controlled manually or automatically, and can regulate the residing angle of cotton stalk, and desk-top cotton stalk reciprocating cutting testing table volume is little, installs simply, and is easy to use, low noise during work, and antijamming capability is strong; Can realize that the cutting force curve shows and calculating maximum cutting force and minimum cut power.
A kind of desk-top cotton stalk reciprocating cutting testing table is mainly by base frame, the ceding of Taiwan, chute, slide block, stationary knife beam, ledger-plate, cutting blade, advance shaft, bearing, cutting force sensor, thrust pickup, gear rack actuating device, crank connecting link, cotton stalk stationary installation, angle regulator, interchange reducing motor, servomotor, lead limit switch and composition of the control system.Described base frame top is equipped with the ceding of Taiwan, servomotor, gear rack actuating device, two lead limit switches and three groups of angle regulators, two advance shafts are installed in described ceding of Taiwan lower end, two bearings are housed respectively on each advance shaft, and it is mobile at base frame that bearing can drive the ceding of Taiwan; Be equipped with in the ceding of Taiwan and exchange reducing motor and a fixed support, a chute is fixed in the fixed support upper surface, and a slide block is installed on the chute, and slip front is equipped with cutting blade; Also be provided with the stationary knife beam on the described fixed support, on the stationary knife beam ledger-plate be installed, can change relative distance between ledger-plate and the cutting blade by the position of regulating the stationary knife beam; Described crank connecting link one end is installed in the ceding of Taiwan, and the other end is connected with slide block; Described interchange reducing motor is connected with crank connecting link by shaft coupling, exchange reducing motor during motoring condition and do the Periodic Rotating motion by shaft coupling drive crank connecting link, crank connecting link band movable slider is done left and right sides to-and-fro movement at chute, moves reciprocatingly thereby drive cutting blade; Described cutting force installation of sensors is in the middle of crank connecting link; Described servomotor is connected with gear in the gear rack actuating device by shaft coupling, and the tooth bar front end in the gear rack actuating device is connected with thrust pickup one end, and the thrust pickup other end is connected with the ceding of Taiwan; When servomotor was in motoring condition, the gear by shaft coupling moved in a circle, the wheel and rack engagement, and the band carry-over bar advances, and advances thereby tooth bar promotes the ceding of Taiwan; When the bearing in the ceding of Taiwan touched lead limit switch, servomotor quit work, thereby the ceding of Taiwan halts; One end of described every group of angle regulator is installed on the base frame, and the other end can be regulated, and is used for the relative distance between regulation moving blade and the ledger-plate; Angle regulator is provided with the cotton stalk stationary installation, is used for fixedly cotton stalk; After putting into cotton stalk in the edge of a knife of cutting blade and ledger-plate, the cutting blade motion, thereby because the cutting of relative motion between the two cotton stalk; Described cutting force sensor is used for gathering the cutting force data, and gives control system with data; By the adjusting angle regulating device, change the relative angle between cotton stalk and ledger-plate and the cutting blade, calculate the cutting force value that cotton stalk is in different angles, the cutting force value that will be in different angles is compared, and drawing cotton stalk, to be in the minimum and cutting force value of what angle time institute work minimum; Described thrust pickup is used for gathering the data that the ceding of Taiwan is advanced; Described lead limit switch provides the motion of stroke signal with the control servomotor for control system; Described cutting force sensor, thrust pickup and lead limit switch link to each other with corresponding interface on the control system by wire respectively.
The embedded system of control system take the STM32 single-chip microcomputer as core makes up the overhead control platform, and the host computer function software that adopted Microsoft Visual C++6.0 development environment and C++ programming language development and Design.The STM32 single-chip microcomputer is responsible for controlling the running that exchanges reducing motor and servomotor, cutting force sensor and thrust pickup are responsible for data acquisition, TFT color screen liquid crystal is used for showing that cutting force numerical value, thrust pickup that the cutting force sensor collects collect thrust numerical value and show the cutting force curve, and the SD card is used for cutting force numerical value and the thrust numerical value that storage collects.The control system interface by cutting force button, zoom button, home key, zero clearing button, reset key, forward key, retreat button and display forms.Button can be controlled servomotor and the forward that exchanges reducing motor, counter-rotating, the convergent-divergent of data zero clearing and cutting force curve etc.Display is divided into the liquid crystal display of TFT color screen and graphoscope two parts: TFT color screen liquid crystal can show in real time that cutting force curve and the curve calculation machine display that advances have the control of host computer function software.The host computer function software realizes the Speed Setting of 16 shelves to exchanging reducing motor, and can realize automatically control to the ceding of Taiwan by the host computer function software, and this software can be read and be kept at the data that deposit in the SD card simultaneously.The STM32 single-chip microcomputer can carry out asking for of maximum cutting force and minimum cut power when showing pressure curve in real time.Outstanding advantages of the present utility model is:
The first, solved single testing table and can not satisfy the parameters that gathers the stem cutting process, this testing table can the regulation moving blade with ledger-plate between distance, speed that the ceding of Taiwan is advanced and cotton stalk is relative and the angle of two groups of blades.
The second, the ARM Cortex-M3 that adopts the advanced person is that the STM32 processor of kernel is made master controller, has improved stability and the sensitivity of whole instrument, has accelerated the response speed of system.
The 3rd, can obtain the cutting force curve and the curve that advances, the poor weakness of intuitive when having solved because of simple demonstration maximal value.
The 4th, can show in real time curve and carry out simultaneously the calculating of maximal value and minimum value, data analysis capabilities strengthens.
The 5th, whole instrument volume is little, installs simple, easy to use.
(4) description of drawings
Fig. 1 is the utility model mechanical part front elevation.
Fig. 2 is the utility model mechanical part vertical view.
Fig. 3 is the utility model control system device front elevation.
Fig. 4 is the utility model control system device left view.
Fig. 5 is the utility model control system device rear view.
Among Fig. 1: 3. stationary knife beam 4. crank connecting links 5. cutting force sensors 12. slide blocks 38. cutting blades 39. ledger-plates 40. chutes 41. advance shafts 42. bearings 43. fixed supports;
Among Fig. 2: 1. base frame 2. cedings of Taiwan 6. exchange the tooth bar in reducing motor 7. lead limit switches 8. shaft couplings 9. gear rack actuating devices 10. thrust pickups 11. servomotors 35. angle regulators 36. cotton stalk stationary installations 37. gear rack actuating devices;
Among Fig. 3: 13 power light 14.TFT shield 15. cutting force pilot lamp, 16. cutting force buttons, 17. zoom button, 18. home key, 19 zero clearing buttons, 20. reset keys, 21. forward key 22. and retreat button 23.SD card storage indication button 24. pilot lamp 25. that advances and retreat pilot lamp 26. zero clearing pilot lamp;
Among Fig. 4: 27. power switch button 28.12V power interfaces, 29. serial communication interface 30.SD card slots;
Among Fig. 5: 31. cutting force sensor signal interface, 32. thrust pickup signaling interfaces 33. exchange reducing motor interface 34.220V power interface;
(5) embodiment
Below in conjunction with accompanying drawing structure of the present utility model is further described.
As depicted in figs. 1 and 2, the instrument lower end is provided with base frame 1, are connected with bearing by advance shaft 41 on the base frame 1 and connect the ceding of Taiwan 2, the ceding of Taiwan 2 is provided with fixed support 43, and a chute 40 is installed in fixed support 43 upper surfaces, and a slide block 12 is installed on the chute 40, slide block 12 front ends are provided with cutting blade 38, also be provided with stationary knife beam 3 on the fixed support 43, ledger-plate 39 is installed on the stationary knife beam 3, crank connecting link 4 is installed in the ceding of Taiwan 2; Cutting force sensor 5 is installed on the connecting rod in the crank connecting link 4, connecting rod is connected connection with slide block, base frame 1 rear portion is provided with servomotor 11 and gear rack actuating device 37, servomotor 11 is connected with gear in the gear rack actuating device 37 by shaft coupling 8, tooth bar front end installed thrust sensor 10 in the gear rack actuating device 37, thrust pickup 10 is connected with the ceding of Taiwan 2; Two lead limit switches 7 are installed on the base frame, are advanced when touching lead limit switch 7 when the ceding of Taiwan 2, servomotor 11 quits work, thereby the ceding of Taiwan halts; Three groups of angle regulators 35 are installed on the base frame 1, and angle regulator 35 is provided with cotton stalk stationary installation 36; Exchanging reducing motor 6 is installed in the ceding of Taiwan 2, exchanging reducing motor 6 is connected with crank connecting link 4 by shaft coupling 8, driving crank connecting links 4 by shaft coupling 8 when the interchange reducing motor is in motoring condition rotates, cutting force sensor 5 together moves with crank connecting link 4 simultaneously, crank connecting link 4 is done reciprocal motion with movable slider 12 at chute 40, and the cutting blade that is fixed on the slide block 12 is also together done reciprocal motion; Cotton stalk is fixed on the cotton stalk stationary installation 36, can regulate the relative position of stationary knife beam 3 after fixing, thereby change the distance between cutting blade 38 and the ledger-plate 39, can adjusting angle regulating device 35, make cotton stalk be in different angles, when cotton stalk is between cutting blade 38 and the ledger-plate 39, thereby because the cutting of the relative motion between cutting blade 38 and the ledger-plate 39 cotton stalk, adjusting angle device 35 can make cotton stalk be in different positions.
Be the front elevation of control system device of the present utility model as shown in Figure 3, the controller housing upside is connected to power light 13, is used for cut-offfing of display power supply; TFT color screen liquid crystal 14, be used for showing in real time cutting force data, cutting force curve and the curve that advances, forward key 21, retreat button 22, be used for turning to of control servomotor 11, SD card storage indication button 23 is used for data are deposited into SD, and cutting force button 16 is used for the control cutting force acquisition; Data zero clearing when zero clearing button 19 is used for measuring, reset key 20 is used for resetting of system, and zoom button 17 and home key 18 are used for zooming in or out of cutting force curve, cutting force pilot lamp 15, the pilot lamp 24 that advances retreats pilot lamp 25, zero clearing pilot lamp 26.
Control device left view of the present utility model as shown in Figure 4.The break-make that power switch button 27 is used for the control system power supply is installed on it, 12V power interface 28, serial communication interface 29 is used for and compunication and exchanges data, and SD card slot 30 is used for data storage.
Control device vertical view of the present utility model as shown in Figure 5.Cutting force sensor signal interface 31 is used for connecting cutting force sensor 5, and thrust pickup signaling interface 32 exchanges reducing motor interface 33 and is used for connecting interchange reducing motor 6,220V power interface 34 for connecting thrust pickup 10.
The utility model can be controlled manually or automatically, and can the regulation moving blade and ledger-plate between distance and the relative angle between the relative velocity between cutting blade and the ledger-plate and two groups of blades and the cotton stalk, relative velocity when two groups of blades advance and between the cotton stalk, the maximal value that can show the cutting force curve and ask for cutting force and minimum value and the value of cutting force can calculate cotton stalk and be in different angles with different speed the time.This experiment table can be changed the used ledger-plate of different harvesting machineries and cutting blade, satisfies the needs of multiple cutting.
Claims (1)
1. a desk-top cotton stalk reciprocating cutting testing table is characterized in that comprising base frame, the ceding of Taiwan, chute, slide block, stationary knife beam, ledger-plate, cutting blade, advance shaft, bearing, cutting force sensor, thrust pickup, gear rack actuating device, crank connecting link, cotton stalk stationary installation, angle regulator, interchange reducing motor, servomotor, lead limit switch and control system; Described base frame top is equipped with the ceding of Taiwan, servomotor, gear rack actuating device, two lead limit switches and three groups of angle regulators, two advance shafts are installed in described ceding of Taiwan lower end, two bearings are housed respectively on each advance shaft, and it is mobile at base frame that bearing drives the ceding of Taiwan; Be equipped with in the ceding of Taiwan and exchange reducing motor and a fixed support, a chute is fixed in the fixed support upper surface, and a slide block is installed on the chute, and slip front is equipped with cutting blade; Also be provided with the stationary knife beam on the described fixed support, on the stationary knife beam ledger-plate be installed, can change relative distance between ledger-plate and the cutting blade by the position of regulating the stationary knife beam; Described crank connecting link one end is installed in the ceding of Taiwan, and the other end is connected with slide block; Described interchange reducing motor is connected with crank connecting link by shaft coupling; Described cutting force installation of sensors is in the middle of crank connecting link; Described servomotor is connected with gear in the gear rack actuating device by shaft coupling, and the tooth bar front end in the gear rack actuating device is connected with thrust pickup one end, and the thrust pickup other end is connected with the ceding of Taiwan; One end of described every group of angle regulator is installed on the base frame, and the other end can be regulated; Described every group of angle regulator is provided with the cotton stalk stationary installation; Described cutting force sensor, thrust pickup and lead limit switch link to each other with corresponding interface on the control system by wire respectively; Described control system is that the embedded system take the STM32 single-chip microcomputer as core makes up the overhead control platform, and adopts Microsoft Visual C++6.0 development environment and C++ programming language development and Design that the host computer function software is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350360 CN202661342U (en) | 2012-07-18 | 2012-07-18 | Table type cotton straw reciprocating cutting test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350360 CN202661342U (en) | 2012-07-18 | 2012-07-18 | Table type cotton straw reciprocating cutting test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661342U true CN202661342U (en) | 2013-01-09 |
Family
ID=47456242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350360 Expired - Fee Related CN202661342U (en) | 2012-07-18 | 2012-07-18 | Table type cotton straw reciprocating cutting test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202661342U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969074A (en) * | 2014-05-23 | 2014-08-06 | 吉林大学 | Rotary corn stalk cutting test bed |
| CN106856811A (en) * | 2017-03-09 | 2017-06-20 | 西北农林科技大学 | A kind of facility leaf vegetables stem and the adjustable clamping device of shear-blade |
| CN107377052A (en) * | 2017-07-31 | 2017-11-24 | 无为飞翔秸秆综合利用有限公司 | A kind of crushing device for stalk |
| CN107515130A (en) * | 2017-08-30 | 2017-12-26 | 西南大学 | A kind of rotary cutting test equipment |
-
2012
- 2012-07-18 CN CN 201220350360 patent/CN202661342U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969074A (en) * | 2014-05-23 | 2014-08-06 | 吉林大学 | Rotary corn stalk cutting test bed |
| CN103969074B (en) * | 2014-05-23 | 2016-05-11 | 吉林大学 | A kind of rotary maize straw cutting test platform |
| CN106856811A (en) * | 2017-03-09 | 2017-06-20 | 西北农林科技大学 | A kind of facility leaf vegetables stem and the adjustable clamping device of shear-blade |
| CN107377052A (en) * | 2017-07-31 | 2017-11-24 | 无为飞翔秸秆综合利用有限公司 | A kind of crushing device for stalk |
| CN107377052B (en) * | 2017-07-31 | 2019-05-10 | 无为飞翔秸秆综合利用有限公司 | A kind of crushing device for stalk |
| CN107515130A (en) * | 2017-08-30 | 2017-12-26 | 西南大学 | A kind of rotary cutting test equipment |
| CN107515130B (en) * | 2017-08-30 | 2020-05-22 | 西南大学 | Rotation type cutting test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20140718 |
|
| EXPY | Termination of patent right or utility model |