CN210336256U - Cutting device of wooden chi is used in mathematics teaching - Google Patents
Cutting device of wooden chi is used in mathematics teaching Download PDFInfo
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- CN210336256U CN210336256U CN201920081338.2U CN201920081338U CN210336256U CN 210336256 U CN210336256 U CN 210336256U CN 201920081338 U CN201920081338 U CN 201920081338U CN 210336256 U CN210336256 U CN 210336256U
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Abstract
The utility model relates to a cutting device especially relates to a cutting device of wooden chi is used in mathematical education. The technical problem to be solved is as follows: the utility model provides a can cut accurate to wooden ruler to can cut the cutting device of wooden ruler for mathematical education of different shapes rulers. The technical scheme is as follows: a cutting device of a wooden ruler for mathematical education comprises a workbench and the like; the bottom of the workbench is connected with table legs, the upper part of the workbench is provided with a driving mechanism, the right side of the driving mechanism is provided with a cutting mechanism, and the driving mechanism is matched with the cutting mechanism. The utility model discloses set up a cutting device of wooden chi is used in mathematical education, reached and to cut accurate to wooden chi to can cut the effect of different shapes chi, set up actuating mechanism, can labour saving and time saving cut out wooden chi, set up cutting mechanism, can make things convenient for staff's work according to the needs cutting plank of different chi.
Description
Technical Field
The utility model relates to a cutting device especially relates to a cutting device of wooden chi is used in mathematical education.
Background
Mathematics is a subject of studying concepts such as quantity, structure, variation, space, and information, and belongs to a form science from a certain point of view. Mathematicians and philosophies have a range of views on the exact scope and definition of mathematics. In human historical development and social life, mathematics also plays an irreplaceable role and is an essential basic tool for learning and researching modern science and technology.
Ruler often will be used in mathematical education, some rulers that schools used are wooden, and the preparation requirement of ruler is higher, and a straight line, a semicircle can draw the accuracy, and it is higher to wooden ruler cutting requirement, if not cut well, the straight line that the teacher drawn on the blackboard is not straight, and the semicircle of drawing is not accurate.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects that the cutting of a wooden ruler in the prior art is not accurate and the wooden ruler can not be used for multiple purposes, the technical problem to be solved is as follows: the utility model provides a can cut accurate to wooden ruler to can cut the cutting device of wooden ruler for mathematical education of different shapes rulers.
The technical scheme is as follows: the utility model provides a mathematics teaching is with cutting device of wooden chi, including workstation, platform foot, actuating mechanism and cutting mechanism, the workstation bottom is connected with the platform foot, and workstation upper portion is equipped with actuating mechanism, and actuating mechanism's right side is equipped with cutting mechanism, and actuating mechanism and cutting mechanism mutually support.
As preferred, actuating mechanism is including the motor, first bull stick, the cam, the depression bar, the fixed block, connecting rod and first spring, workstation middle part rear side is connected with the motor, the output shaft front end of motor is connected with first bull stick, the middle part of first bull stick is connected with the cam, workstation left side upper portion rotary type is connected with the depression bar, the right part front side and the cam of depression bar are mutually supported, the top of the left side of workstation is connected with the fixed block, be connected with the connecting rod with the equal rotary type in middle part of depression bar on the fixed block, be connected with first spring between the connection of upper and lower both sides, first spring is passed to the connecting rod.
As preferred, cutting mechanism is including the rolling bearing frame, the second bull stick, the semicircle cutting knife, the straight line cutting knife, the commentaries on classics board, installation pole and screw rod, the right-hand member of depression bar is connected with the rolling bearing frame, be connected with the second bull stick on the rolling bearing frame, the upper end of second bull stick is connected with the semicircle cutting knife, the lower extreme of second bull stick is connected with the straight line cutting knife, the semicircle cutting knife all is connected with the commentaries on classics board through hinge connection's mode with the left end of straight line cutting knife, it has the screw hole to open on the commentaries on classics board, the rolling bearing frame top is connected with the installation pole, the installation pole front.
Preferably, the grinding machine further comprises a sector gear, a sliding rail, a sliding block, a second spring, a rack, a grinding stone, a third spring and a clamping plate, wherein the sector gear is connected to the front portion of the first rotating rod, the sliding rail is connected between the table legs of the left side and the right side, the sliding rail is movably connected to the front side of the sliding rail, the sliding rail is matched with the sliding block, the second spring is connected between the left side of the sliding block and the table leg of the left side, the top end of the sliding block is connected with the rack, the sector gear is meshed with the rack, the grinding stone is connected to the rear side of the bottom of the sliding block, the grinding stone is located at the rear side of the table leg of the middle portion.
Preferably, the workbench comprises an installation block, a pressing block and a fourth spring, the installation block is connected to the left side and the right side of the top of the workbench, the pressing block is rotatably connected to the top of the installation block, and the fourth spring is connected between the bottom of the pressing block and the installation block.
When needs are to the cutting of wooden ruler, the staff places smooth plank on the workstation right side, starts actuating mechanism, and actuating mechanism drives cutting mechanism and cuts the plank, and after the cutting, it can to close actuating mechanism.
Because actuating mechanism is including the motor, first bull stick, the cam, the depression bar, the fixed block, connecting rod and first spring, workstation middle part rear side is connected with the motor, the output shaft front end of motor is connected with first bull stick, the middle part of first bull stick is connected with the cam, workstation left side upper portion rotary type is connected with the depression bar, the right part front side and the cam of depression bar are mutually supported, the top of the left side of workstation is connected with the fixed block, be connected with the connecting rod with the equal rotary type in middle part of depression bar on the fixed block, be connected with first spring between the connection of upper and lower both sides, the connecting rod passes first spring. So when needing the cutting, the staff starter motor, control motor anticlockwise rotation, the motor drives first bull stick anticlockwise rotation, first bull stick drives cam anticlockwise rotation, when the telecentric end of cam and depression bar right part contact, the depression bar upwards rotates, first spring is compressed this moment, when the telecentric end of cam leaves the depression bar, under the effect of first spring elasticity, the depression bar moves down, the depression bar drives cutting mechanism and cuts the plank downwards, cut good back, close the motor can. So that the wooden ruler can be cut out in a time-saving and labor-saving manner.
Because cutting mechanism is including the rolling bearing seat, the second bull stick, the semicircle cutting knife, the sharp cutting knife, the commentaries on classics board, installation pole and screw rod, the right-hand member of depression bar is connected with the rolling bearing seat, be connected with the second bull stick on the rolling bearing seat, the upper end of second bull stick is connected with the semicircle cutting knife, the lower extreme of second bull stick is connected with the sharp cutting knife, the semicircle cutting knife all is connected with the commentaries on classics board through hinge connection's mode with the left end of sharp cutting knife, it has the screw hole to open on the commentaries on classics board, the rolling bearing seat top is connected with the installation pole, the installation pole front portion is connected. So before staff starter motor, it is determined to need to cut the ruler type, after the wooden ruler of straight line cutting knife cutting when determining well, rotate the second bull stick, make and need the straight line cutting knife to be located the below, the semicircle cutting knife is located the top, twist out the screw rod, make the revolving plate on upper portion be located the front side of installation pole, twist the revolving plate together with the installation pole again, can fix the cutting knife, fixed back, it drives the straight line cutting knife to cut the plank downwards to rotate downwards through the depression bar, so can be according to the needs cutting plank of different rulers, staff's work has been made things convenient for.
Because still including sector gear, a slide rail, the slider, the second spring, the rack, the grindstone, third spring and splint, the front portion of first bull stick is connected with sector gear, be connected with the slide rail between the platform foot of the left and right sides, the front side sliding type of slide rail is connected with the slider, slide rail and slider cooperation, be connected with the second spring between slider left side and the left side platform foot, the top of slider is connected with the rack, sector gear and rack toothing, the bottom rear side of slider is connected with the grindstone, the grindstone is located the rear side of middle part platform foot, the left and right sides at platform foot middle part all is connected with the third spring, the inner of third spring is connected with splint. So after wooden ruler cutting is good, the staff can place the ruler between the splint, press from both sides wooden ruler tightly under the effect of third spring, press from both sides tight back, when first bull stick counter-clockwise turning, first bull stick drives sector gear counter-clockwise turning, sector gear drives the rack and moves right under the cooperation of slide rail and slider, the second spring is stretched this moment, the slider drives the grindstone and moves right, when sector gear does not mesh with the rack, under the effect of second spring elasticity, the slider drives the grindstone and moves left, so relapse, can grind smoothly to the wooden ruler that the cutting is good, make things convenient for wooden ruler's follow-up work.
Because still including installation piece, briquetting and fourth spring, the left and right sides on workstation top right side all is connected with the installation piece, and installation piece top rotary type is connected with the briquetting, is connected with the fourth spring between briquetting bottom and the installation piece. Therefore, before cutting, a worker can pull up the pressing block, place the wood board between the mounting blocks, loosen the pressing block, press the wood board through the pressing block, and prevent the wood board from moving in position carelessly during cutting.
The utility model has the advantages that: the utility model discloses a cutting device of wooden chi is used in mathematical education has been set up, it can cut the accuracy to wooden ruler to have reached, and can cut the effect of different shape rulers, actuating mechanism has been set up, can labour saving and time saving cut out wooden ruler, cutting mechanism has been set up, can cut the plank according to the needs of different rulers, staff's work has been made things convenient for, grindstone has been set up, can grind smoothly to the wooden ruler that cuts, make things convenient for the follow-up work of wooden ruler, the briquetting has been set up, the accessible briquetting is pushed down the plank, the careless shift position of billet when preventing to cut.
Drawings
Fig. 1 is a first schematic view of the present invention.
Fig. 2 is the utility model discloses semicircle cutting knife overlook the structure sketch map.
Fig. 3 is a schematic view of a second main view structure of the present invention.
Fig. 4 is a third schematic view of the present invention.
Reference numerals: 1 workstation, 2 platform feet, 3 actuating mechanism, 31 motors, 32 first bull stick, 33 cams, 34 depression bars, 35 fixed blocks, 36 connecting rods, 37 first spring, 4 cutting mechanism, 41 rolling bearing seat, 42 second bull stick, 43 semicircle cutting knife, 44 sharp cutting knife, 45 commentaries on classics board, 46 screw hole, 47 installation pole, 48 screws, 5 sector gear, 6 slide rails, 7 sliders, 8 second springs, 9 racks, 10 grindstones, 11 third spring, 12 splint, 13 installation pieces, 14 briquetting, 15 fourth spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Example 1
The utility model provides a cutting device of wooden chi is used in mathematical education, as shown in fig. 1-4, including workstation 1, platform foot 2, actuating mechanism 3 and cutting mechanism 4, workstation 1 bottom is connected with platform foot 2, and 1 upper portion of workstation is equipped with actuating mechanism 3, and the right side of actuating mechanism 3 is equipped with cutting mechanism 4, and actuating mechanism 3 mutually supports with cutting mechanism 4.
Example 2
The utility model provides a cutting device of wooden chi is used in mathematical education, as shown in fig. 1-4, including workstation 1, platform foot 2, actuating mechanism 3 and cutting mechanism 4, workstation 1 bottom is connected with platform foot 2, and 1 upper portion of workstation is equipped with actuating mechanism 3, and the right side of actuating mechanism 3 is equipped with cutting mechanism 4, and actuating mechanism 3 mutually supports with cutting mechanism 4.
Actuating mechanism 3 is including motor 31, first pivot lever 32, cam 33, depression bar 34, fixed block 35, connecting rod 36 and first spring 37, 1 middle part rear side of workstation is connected with motor 31, motor 31's output shaft front end is connected with first pivot lever 32, the middle part of first pivot lever 32 is connected with cam 33, 1 left side upper portion rotary type of workstation is connected with depression bar 34, the right part front side and the cam 33 of depression bar 34 mutually support, the side top is connected with fixed block 35 to the left side of workstation 1, be connected with connecting rod 36 with the equal rotary type in middle part of depression bar 34 on the fixed block 35, be connected with first spring 37 between the connection of upper and lower both sides, connecting rod 36 passes first spring 37.
Example 3
The utility model provides a cutting device of wooden chi is used in mathematical education, as shown in fig. 1-4, including workstation 1, platform foot 2, actuating mechanism 3 and cutting mechanism 4, workstation 1 bottom is connected with platform foot 2, and 1 upper portion of workstation is equipped with actuating mechanism 3, and the right side of actuating mechanism 3 is equipped with cutting mechanism 4, and actuating mechanism 3 mutually supports with cutting mechanism 4.
Actuating mechanism 3 is including motor 31, first pivot lever 32, cam 33, depression bar 34, fixed block 35, connecting rod 36 and first spring 37, 1 middle part rear side of workstation is connected with motor 31, motor 31's output shaft front end is connected with first pivot lever 32, the middle part of first pivot lever 32 is connected with cam 33, 1 left side upper portion rotary type of workstation is connected with depression bar 34, the right part front side and the cam 33 of depression bar 34 mutually support, the side top is connected with fixed block 35 to the left side of workstation 1, be connected with connecting rod 36 with the equal rotary type in middle part of depression bar 34 on the fixed block 35, be connected with first spring 37 between the connection of upper and lower both sides, connecting rod 36 passes first spring 37.
Example 4
The utility model provides a cutting device of wooden chi is used in mathematical education, as shown in fig. 1-4, including workstation 1, platform foot 2, actuating mechanism 3 and cutting mechanism 4, workstation 1 bottom is connected with platform foot 2, and 1 upper portion of workstation is equipped with actuating mechanism 3, and the right side of actuating mechanism 3 is equipped with cutting mechanism 4, and actuating mechanism 3 mutually supports with cutting mechanism 4.
Actuating mechanism 3 is including motor 31, first pivot lever 32, cam 33, depression bar 34, fixed block 35, connecting rod 36 and first spring 37, 1 middle part rear side of workstation is connected with motor 31, motor 31's output shaft front end is connected with first pivot lever 32, the middle part of first pivot lever 32 is connected with cam 33, 1 left side upper portion rotary type of workstation is connected with depression bar 34, the right part front side and the cam 33 of depression bar 34 mutually support, the side top is connected with fixed block 35 to the left side of workstation 1, be connected with connecting rod 36 with the equal rotary type in middle part of depression bar 34 on the fixed block 35, be connected with first spring 37 between the connection of upper and lower both sides, connecting rod 36 passes first spring 37.
Still including sector gear 5, slide rail 6, slider 7, second spring 8, rack 9, grindstone 10, third spring 11 and splint 12, the front portion of first bull stick 32 is connected with sector gear 5, be connected with slide rail 6 between the platform foot 2 of the left and right sides, the preceding sideslip dynamic formula of slide rail 6 is connected with slider 7, slide rail 6 and the cooperation of slider 7, be connected with second spring 8 between slider 7 left side and the left side platform foot 2, the top of slider 7 is connected with rack 9, sector gear 5 and the meshing of rack 9, the bottom rear side of slider 7 is connected with grindstone 10, grindstone 10 is located the rear side of middle part platform foot 2, the left and right sides at platform foot 2 middle part all is connected with third spring 11, the inner of third spring 11 is connected with splint 12.
Example 5
The utility model provides a cutting device of wooden chi is used in mathematical education, as shown in fig. 1-4, including workstation 1, platform foot 2, actuating mechanism 3 and cutting mechanism 4, workstation 1 bottom is connected with platform foot 2, and 1 upper portion of workstation is equipped with actuating mechanism 3, and the right side of actuating mechanism 3 is equipped with cutting mechanism 4, and actuating mechanism 3 mutually supports with cutting mechanism 4.
Actuating mechanism 3 is including motor 31, first pivot lever 32, cam 33, depression bar 34, fixed block 35, connecting rod 36 and first spring 37, 1 middle part rear side of workstation is connected with motor 31, motor 31's output shaft front end is connected with first pivot lever 32, the middle part of first pivot lever 32 is connected with cam 33, 1 left side upper portion rotary type of workstation is connected with depression bar 34, the right part front side and the cam 33 of depression bar 34 mutually support, the side top is connected with fixed block 35 to the left side of workstation 1, be connected with connecting rod 36 with the equal rotary type in middle part of depression bar 34 on the fixed block 35, be connected with first spring 37 between the connection of upper and lower both sides, connecting rod 36 passes first spring 37.
Still including sector gear 5, slide rail 6, slider 7, second spring 8, rack 9, grindstone 10, third spring 11 and splint 12, the front portion of first bull stick 32 is connected with sector gear 5, be connected with slide rail 6 between the platform foot 2 of the left and right sides, the preceding sideslip dynamic formula of slide rail 6 is connected with slider 7, slide rail 6 and the cooperation of slider 7, be connected with second spring 8 between slider 7 left side and the left side platform foot 2, the top of slider 7 is connected with rack 9, sector gear 5 and the meshing of rack 9, the bottom rear side of slider 7 is connected with grindstone 10, grindstone 10 is located the rear side of middle part platform foot 2, the left and right sides at platform foot 2 middle part all is connected with third spring 11, the inner of third spring 11 is connected with splint 12.
Still including installation piece 13, briquetting 14 and fourth spring 15, the left and right sides on 1 top right side of workstation all is connected with installation piece 13, and installation piece 13 top rotary type is connected with briquetting 14, is connected with fourth spring 15 between 14 bottoms of briquetting and the installation piece 13.
When needs are to the cutting of wooden ruler, the staff place the 1 right side of workstation with smooth plank, start actuating mechanism 3, actuating mechanism 3 drives cutting mechanism 4 and cuts the plank, and the back of cutting is good, close actuating mechanism 3 can.
Because actuating mechanism 3 is including motor 31, first pivot pole 32, cam 33, depression bar 34, fixed block 35, connecting rod 36 and first spring 37, 1 middle part rear side of workstation is connected with motor 31, the output shaft front end of motor 31 is connected with first pivot pole 32, the middle part of first pivot pole 32 is connected with cam 33, 1 left side upper portion rotary type of workstation is connected with depression bar 34, the right part front side and the cam 33 of depression bar 34 mutually support, the top of the partial left side of workstation 1 is connected with fixed block 35, be connected with connecting rod 36 with the equal rotary type in middle part of depression bar 34 on the fixed block 35, be connected with first spring 37 between the connection of upper and lower both sides, connecting rod 36 passes first spring 37. Therefore, when cutting is needed, the worker starts the motor 31, controls the motor 31 to rotate anticlockwise, the motor 31 drives the first rotating rod 32 to rotate anticlockwise, the first rotating rod 32 drives the cam 33 to rotate anticlockwise, when the far end of the cam 33 is in contact with the right portion of the pressing rod 34, the pressing rod 34 rotates upwards, the first spring 37 is compressed at the moment, when the far end of the cam 33 leaves the pressing rod 34, under the action of the elastic force of the first spring 37, the pressing rod 34 moves downwards, the pressing rod 34 drives the cutting mechanism 4 to cut the wood board downwards, and after the wood board is cut, the motor 31 is closed. So that the wooden ruler can be cut out in a time-saving and labor-saving manner.
Because cutting mechanism 4 is including rolling bearing seat 41, second bull stick 42, semicircle cutting knife 43, straight line cutting knife 44, commentaries on classics board 45, installation pole 47 and screw rod 48, the right-hand member of depression bar 34 is connected with rolling bearing seat 41, be connected with second bull stick 42 on the rolling bearing seat 41, the upper end of second bull stick 42 is connected with semicircle cutting knife 43, the lower extreme of second bull stick 42 is connected with straight line cutting knife 44, semicircle cutting knife 43 all is connected with commentaries on classics board 45 through hinge connection's mode with straight line cutting knife 44's left end, it has screw hole 46 to open on the commentaries on classics board 45, rolling bearing seat 41 top is connected with installation pole 47, installation pole 47 front portion is connected with screw rod 48 through threaded connection's mode, screw rod 48 and. So before staff starter motor 31, it is determined to need to cut the ruler type, straight line cutting knife 44 cuts wooden ruler after when determining well, rotate second bull stick 42, make and need straight line cutting knife 44 to be located the below, semicircle cutting knife 43 is located the top, screw rod 48 is twisted out, make the rotor plate 45 on upper portion be located the front side of installation pole 47, twist rotor plate 45 and installation pole 47 together again, can fix the cutting knife, after fixed, it drives straight line cutting knife 44 downcutting plank to rotate through depression bar 34, so can cut the plank according to the needs of different rulers, staff's work has been made things convenient for.
Because still including sector gear 5, slide rail 6, slider 7, second spring 8, rack 9, grindstone 10, third spring 11 and splint 12, the front portion of first bull stick 32 is connected with sector gear 5, be connected with slide rail 6 between the platform foot 2 of the left and right sides, the preceding sideslip type of slide rail 6 is connected with slider 7, slide rail 6 and the cooperation of slider 7, be connected with second spring 8 between slider 7 left side and the left side platform foot 2, the top of slider 7 is connected with rack 9, sector gear 5 and the meshing of rack 9, the bottom rear side of slider 7 is connected with grindstone 10, grindstone 10 is located the rear side of middle part platform foot 2, the left and right sides at 2 middle parts of platform foot all is connected with third spring 11, the inner of third spring 11 is connected with splint 12. Therefore, after the wooden ruler is cut, a worker can place the ruler between the clamping plates 12, the wooden ruler is clamped tightly under the action of the third spring 11, after clamping is well performed, when the first rotating rod 32 rotates anticlockwise, the first rotating rod 32 drives the sector gear 5 to rotate anticlockwise, the sector gear 5 drives the rack 9 to move rightwards under the matching of the sliding rail 6 and the sliding block 7, the second spring 8 is stretched, the sliding block 7 drives the grinding stone 10 to move rightwards, when the sector gear 5 is not meshed with the rack 9, the sliding block 7 drives the grinding stone 10 to move leftwards under the action of elastic force of the second spring 8, and the operation is repeated, so that the cut wooden ruler can be ground smoothly, and the subsequent work of the wooden ruler is facilitated.
Because still including installation piece 13, briquetting 14 and fourth spring 15, the left and right sides on workstation 1 top right side all is connected with installation piece 13, and installation piece 13 top rotary type is connected with briquetting 14, is connected with fourth spring 15 between briquetting 14 bottom and the installation piece 13. Therefore, before cutting, a worker can pull the pressing block 14 upwards, place the wood board between the mounting blocks 13, loosen the pressing block 14, press the wood board through the pressing block 14, and prevent the wood board from moving in position carelessly during cutting.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides a mathematics teaching is with cutting device of wooden chi, including workstation and platform foot, the workstation bottom is connected with platform foot, its characterized in that: the cutting machine is characterized by further comprising a driving mechanism and a cutting mechanism, wherein the driving mechanism is arranged on the upper portion of the workbench, the cutting mechanism is arranged on the right side of the driving mechanism, and the driving mechanism is matched with the cutting mechanism.
2. The cutting device of the wooden ruler for mathematics teaching as claimed in claim 1, characterized in that: actuating mechanism is including the motor, first bull stick, the cam, the depression bar, the fixed block, connecting rod and first spring, workstation middle part rear side is connected with the motor, the output shaft front end of motor is connected with first bull stick, the middle part of first bull stick is connected with the cam, workstation left side upper portion rotary type is connected with the depression bar, the right part front side and the cam of depression bar are mutually supported, the top of the left side of workstation is connected with the fixed block, be connected with the connecting rod with the equal rotary type in middle part of depression bar on the fixed block, be connected with first spring between the connection of upper and lower both sides, the connecting rod passes first spring.
3. The cutting device of the wooden ruler for mathematics teaching as claimed in claim 2, characterized in that: cutting mechanism is including the rolling bearing frame, the second bull stick, the semicircle cutting knife, the sharp cutting knife, the commentaries on classics board, installation pole and screw rod, the right-hand member of depression bar is connected with the rolling bearing frame, be connected with the second bull stick on the rolling bearing frame, the upper end of second bull stick is connected with the semicircle cutting knife, the lower extreme of second bull stick is connected with the sharp cutting knife, the semicircle cutting knife all is connected with the commentaries on classics board through hinge connection's mode with the left end of sharp cutting knife, it has the screw hole to open on the commentaries on classics board, the rolling bearing frame top is connected with the installation pole, the installation pole front portion is connected.
4. The cutting device of the wooden ruler for mathematics teaching as claimed in claim 3, characterized in that: still including sector gear, a slide rail, the slider, the second spring, the rack, the grindstone, third spring and splint, the front portion of first bull stick is connected with sector gear, be connected with the slide rail between the platform foot of the left and right sides, the front side sliding type of slide rail is connected with the slider, slide rail and slider cooperation, be connected with the second spring between slider left side and the left side platform foot, the top of slider is connected with the rack, sector gear and rack toothing, the bottom rear side of slider is connected with the grindstone, the grindstone is located the rear side of middle part platform foot, the left and right sides at platform foot middle part all is connected with the third spring, the inner of third spring is connected with splint.
5. The cutting device of the wooden ruler for mathematics teaching as claimed in claim 4, characterized in that: still including installation piece, briquetting and fourth spring, the left and right sides on workstation top right side all is connected with the installation piece, and installation piece top rotary type is connected with the briquetting, is connected with the fourth spring between briquetting bottom and the installation piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081338.2U CN210336256U (en) | 2019-01-18 | 2019-01-18 | Cutting device of wooden chi is used in mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081338.2U CN210336256U (en) | 2019-01-18 | 2019-01-18 | Cutting device of wooden chi is used in mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210336256U true CN210336256U (en) | 2020-04-17 |
Family
ID=70173065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920081338.2U Expired - Fee Related CN210336256U (en) | 2019-01-18 | 2019-01-18 | Cutting device of wooden chi is used in mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210336256U (en) |
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2019
- 2019-01-18 CN CN201920081338.2U patent/CN210336256U/en not_active Expired - Fee Related
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Granted publication date: 20200417 Termination date: 20210118 |