CN204166795U - Draw cam is biased lower motion line chart device in difference - Google Patents
Draw cam is biased lower motion line chart device in difference Download PDFInfo
- Publication number
- CN204166795U CN204166795U CN201420535120.7U CN201420535120U CN204166795U CN 204166795 U CN204166795 U CN 204166795U CN 201420535120 U CN201420535120 U CN 201420535120U CN 204166795 U CN204166795 U CN 204166795U
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- fixed
- plate
- cam
- synchronous pulley
- head
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Abstract
The utility model discloses and a kind ofly draw cam is biased lower motion line chart device in difference, comprise frame, main transmission part, fixed disc, translatory plate, Timing Belt strainer, eccentric stiffener and driven member mechanism.The utility model almost covers explanation that is all and camming movement curve map related activities law knowledge point, the movement profiles that driven member nose shape is convertible, can draw arbitrary shape cam, cam angle, basic circle size, backhaul angle, go the parameters such as journey angle, far angle of repose, near angle of repose readable, the offset or dish that can change driven member draw different bigoted under camming movement line chart.No matter the characteristics of motion may correspond to displaying, makes in order at different driven members and the knowledge difficult point under being biased different.Greatly deepen the understanding of student, facilitated teaching, improve quality of instruction.
Description
Technical field
The utility model belongs to a kind of teaching aid, is specifically related to a kind ofly draw cam is biased lower motion line chart device in difference.
Background technology
" mechanical principle " is learnt time-consuming painstakingly for classmates, concept is unclear, the present situation of inefficiency, we have analysed in depth the relevant difficult point about mechanical principle, the just a teaching aid about cam of " cam mechanism and design thereof " this chapter design in " mechanical principle ", teacher can be used as teaching aid with it, explain the mechanical principle class knowledge about cam portion, also experiment appliance can be used as, be intended to allow classmates learn " mechanical principle " this subject more like a cork, deepen the understanding to corresponding knowledge point and grasp, allow learning process become truly can feel, image is intereting, save the quality time of classmates, improve learning efficiency.
Summary of the invention
The utility model, for the deficiencies in the prior art, proposes and a kind ofly draws cam is biased lower motion line chart device in difference.
The utility model is a kind of to be drawn the device that cam is biased lower motion line chart in difference and comprises frame, main transmission part, fixed disc, translatory plate, Timing Belt strainer, eccentric stiffener and driven member mechanism.
Described frame is by one piece of base plate, plate and one piece of header board form after one piece.Header board length is less than rear plate length.Front and rear panels are parallel to each other, and are all vertically fixed on base plate.At rear plate hight, the position of header board is provided with optical axis guide rail fixed mount, optical axis guide rail fixed mount is horizontally disposed with two optical axis guide rails be parallel to each other.
Described main transmission part comprises wind, driving gear, follower gear, lower synchronous pulley, upper synchronous pulley, Timing Belt, speed gear and tooth bar.
Described wind is fixed on the outside of rear plate by transmission shaft, transmission the tip of the axis arranges a speed gear, speed gear engages with driving gear, driving gear, lower synchronous pulley are coaxially arranged between front and rear panels, lower synchronous pulley drives upper synchronous pulley by Timing Belt, upper synchronous pulley and follower gear are coaxially arranged, and follower gear engages with horizontally disposed tooth bar, and described speed gear and the gear ratio of driving gear are 1:3.
Described fixed disc is carved with scale, and coaxially arrange with driving gear, lower synchronous pulley, and be arranged on the outside of header board, the circle centre position of fixed disc is provided with cylindrical boss, and the right and left of boss has a threaded hole.
Described cam is located by the round boss in the middle of fixed disc, to be coordinated with the threaded hole on fixed disc by clamping screw and screw.
Described translatory plate is one piece of rectangular slab, and its width is less than the width of header board, is arranged on two optical axis guide rails by two linear bearings; The right and left of translatory plate has two threaded holes, pressing plate is connected by four threaded holes on four lock-screws and translatory plate, described pressing plate is U-board, the bottom of pressing plate has a rectangular channel, be provided with a positive stop strip be fixedly connected with translatory plate in rectangular channel, be carved with scale at the right and left of pressing plate.
Described Timing Belt strainer comprises the axis of rolling, two springs and fixed mount; Two corresponding deep-slotted chip breakers are had between front and rear panels, two end-rack of the axis of rolling are on two deep-slotted chip breakers, the two ends of the axis of rolling are fixedly connected with one end of a spring respectively, described fixed mount is that a stationary shaft is fixed between front and rear panels, the other end of two springs is fixed on fixed mount, and the described axis of rolling is pressed on Timing Belt by the pulling force of spring.
Described eccentric stiffener comprises two line slideways, two pieces of slide blocks, latch and fixed heads, two described line slideways are parallel to each other and are fixed on header board, two line slideways are respectively equipped with a slide block, two pieces of slide blocks are connected by fixed head, latch is arranged between fixed head and header board, and is fixed on fixed head.Wherein be carved with scale below a line slideway.
Described driven member mechanism comprises a fixing slide block, a free line slideway, upper holder, a contact head;
Described fixing slide block is fixedly installed on fixed head, free line slideway and fixing slide block are connected, the upper end of free line slideway arranges a upper holder, upper holder has a paintbrush mounting hole vertical with translatory plate, mounting hole arranged outside clamping screw, the lower end of free line slideway is fixedly connected with lower sub, described lower sub has three cylinder magnetic head mounting holes, described contact head is provided with the cylinder magnetic head of three, contact head and lower sub Matching installation;
Described contact head comprises platybasic type contact head, roller-type contact head and pinnacle type contact head.
Beneficial effect: compared with existing teaching aid, the utility model almost covers explanation that is all and camming movement curve map related activities law knowledge point, the movement profiles that driven member nose shape is convertible, can draw arbitrary shape cam, cam angle, basic circle size, backhaul angle, go the parameters such as journey angle, far angle of repose, near angle of repose readable, the offset or dish that can change driven member draw different bigoted under camming movement line chart.No matter the characteristics of motion may correspond to displaying, makes in order at different driven members and the knowledge difficult point under being biased different.Greatly deepen the understanding of student, facilitated teaching, improve quality of instruction.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is side view of the present utility model;
Fig. 3-1 is the structural representation of pinnacle type contact head 31-1;
Fig. 3-2 is the structural representation of roller-type contact head 31-2;
Fig. 3-3 is the structural representation of platybasic type contact head 31-3;
Fig. 4-1 is the front view of roller-type contact head 31-2;
Fig. 4-2 is the axonometric drawing of roller-type contact head 31-2;
Fig. 4-3 is the front view of lower sub;
Fig. 5 is the axonometric drawing of Timing Belt strainer;
Fig. 6 is main drive gear schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is elaborated.
The utility model is a kind of to be drawn the device that cam is biased lower motion line chart in difference and comprises frame, main transmission part, fixed disc 1, translatory plate 22, Timing Belt strainer, eccentric stiffener, driven member mechanism and cam.
As shown in Figure 1 and Figure 2, described frame is made up of plate 13 and one piece of header board 34 after one piece of base plate 12, a piece.Header board length is less than rear plate length.Front and rear panels are parallel to each other, and are all vertically fixed on base plate.At rear plate hight, the position of header board is provided with optical axis guide rail fixed mount 4, optical axis guide rail fixed mount 4 is horizontally disposed with two optical axis guide rails be parallel to each other 3.
As shown in Figure 6, described main transmission part comprises wind 14, driving gear 33, follower gear 27, lower synchronous pulley 16, upper synchronous pulley 18, Timing Belt 17, speed gear 15 and tooth bar 19.
Described wind 14 is fixed on the outside of rear plate by transmission shaft, transmission the tip of the axis arranges a speed gear 15, speed gear engages with driving gear 33, driving gear 33, lower synchronous pulley 16 are coaxially arranged between header board 34 and rear plate 13, lower synchronous pulley 16 drives upper synchronous pulley 18 by Timing Belt, upper synchronous pulley 18 is coaxially arranged with follower gear 27, and follower gear 27 engages with horizontally disposed tooth bar 19.
Described fixed disc is carved with scale, coaxially arranges, and be arranged on the outside of header board with driving gear 33, lower synchronous pulley 16, the circle centre position of fixed disc is provided with cylindrical boss 11, and the right and left of boss has a threaded hole.Cam 32 is located by the round boss 11 in the middle of fixed disc 1, to be coordinated with the threaded hole on fixed disc 1 by clamping screw 10 and screw.
Described translatory plate 22 is one piece of rectangular slab, and its width is less than the width of header board, is arranged on two optical axis guide rails 3 by two linear bearings 21; The right and left of translatory plate 22 has two threaded holes, pressing plate 5 is connected by four lock-screws 6 and four threaded holes on translatory plate 22, described pressing plate is U-board, the bottom of pressing plate has a rectangular channel, be provided with a positive stop strip 7 be fixedly connected with translatory plate 22 in rectangular channel, be carved with scale at the right and left of pressing plate.
As shown in Figure 5, described Timing Belt strainer comprises the axis of rolling 46, two springs 48 and fixed mount 49; Two corresponding deep-slotted chip breakers 47 are had between front and rear panels, two end-rack of the axis of rolling 46 are on two deep-slotted chip breakers 47, the two ends of the axis of rolling 46 are fixedly connected with one end of a spring 48 respectively, described fixed mount is that a stationary shaft is fixed between front and rear panels, the other end of two springs is fixed on fixed mount 49, and the described axis of rolling 46 is pressed on Timing Belt by the pulling force of spring.
Described eccentric stiffener comprises two line slideways 8, two pieces of slide blocks 26, latch 2 and fixed heads 28, two described line slideways 8 are parallel to each other and are fixed on header board, two line slideways 8 are respectively equipped with a slide block 26, two pieces of slide blocks 26 are connected by fixed head, latch 2 is arranged between fixed head 28 and header board, and is fixed on fixed head 28.Wherein be carved with scale below a line slideway.
Described driven member mechanism comprises a fixing slide block 29, free line slideway 25, upper holder 23, a contact head 31;
As shown in Fig. 4-1,4-2,4-3, described fixing slide block is fixedly installed on fixed head 28, free line slideway and fixing slide block are connected, the upper end of free line slideway arranges a upper holder, upper holder has a paintbrush mounting hole vertical with translatory plate, mounting hole arranged outside clamping screw, the lower end of free line slideway is fixedly connected with lower sub 30, described lower sub has three cylinder magnetic head mounting holes 44, described contact head is provided with the cylinder magnetic head 45 of three, contact head and lower sub Matching installation;
As shown in Fig. 3-1,3-2,3-3, described contact head 31 comprises platybasic type contact head 31-3, roller-type contact head 31-2 and pinnacle type contact head 31-1.
1. choose the cam 32 of required model, cam 32 is located by the round boss 11 in the middle of fixed disc 1, to be coordinated with the threaded hole on fixed disc 1 by clamping screw 10 and screw;
2. choose required contact head 31, be contained in vertical free line slideway 25 lower sub 30 by roller contact head 31-2, contact head and cam prop up;
3. on upper holder 23, press from both sides paintbrush 24, and locked by clamping screw.
4. the clamping screw 9 on eccentric adjustment device, moves left and right two slide blocks that fixed head connects, and reaches the scale place of eccentric object, tightens clamping screw 9.
5. translatory plate 22 is moved on to low order end, regulate pressing plate 5 degree of tightness, drawing paper on folder.
6. handwheel 14 is rotated, drive speed gear, thus drive the driving gear 33 engaged with speed gear, driving gear 33, lower synchronous pulley 16, fixed disc 1 are coaxially fixed, driving gear 33 rotates and drives lower synchronous pulley 16, fixed disc rotates 1, lower synchronous pulley 16 drives upper synchronous pulley 18 to rotate by Timing Belt 17, upper synchronous pulley 18 is coaxially fixed with follower gear 27, thus drive follower gear 27 to rotate, follower gear 27 engages with tooth bar 19, thus translatory plate about 22 translation of being with carry-over bar 19 and being fixedly connected with tooth bar 19.
Rotate handwheel 14, by above-mentioned a series of gear train until fixed disc 1 rotates one week, cam 32 curve movement is just completed.
Claims (2)
1. draw cam is biased lower motion line chart device in difference, comprise frame, main transmission part, fixed disc, translatory plate, Timing Belt strainer, eccentric stiffener, driven member mechanism and cam;
It is characterized in that: described frame is by one piece of base plate, plate and one piece of header board form after one piece; Header board length is less than rear plate length; Front and rear panels are parallel to each other, and are all vertically fixed on base plate; At rear plate hight, the position of header board is provided with optical axis guide rail fixed mount, optical axis guide rail fixed mount is horizontally disposed with two optical axis guide rails be parallel to each other;
Described main transmission part comprises wind, driving gear, follower gear, lower synchronous pulley, upper synchronous pulley, Timing Belt, speed gear and tooth bar;
Described wind is fixed on the outside of rear plate by transmission shaft, transmission the tip of the axis arranges a speed gear, speed gear engages with driving gear, driving gear, lower synchronous pulley are coaxially arranged between front and rear panels, lower synchronous pulley drives upper synchronous pulley by Timing Belt, upper synchronous pulley and follower gear are coaxially arranged, and follower gear engages with horizontally disposed tooth bar, and described speed gear and the gear ratio of driving gear are 1:3;
Described fixed disc is carved with scale, and coaxially arrange with driving gear, lower synchronous pulley, and be arranged on the outside of header board, the circle centre position of fixed disc is provided with cylindrical boss, and the right and left of boss has a threaded hole;
Described cam is located by the round boss in the middle of fixed disc, to be coordinated with the threaded hole on fixed disc by clamping screw and screw;
Described translatory plate is one piece of rectangular slab, and its width is less than the width of header board, is arranged on two optical axis guide rails by two linear bearings; The right and left of translatory plate has two threaded holes, pressing plate is connected by four threaded holes on four lock-screws and translatory plate, described pressing plate is U-board, the bottom of pressing plate has a rectangular channel, be provided with a positive stop strip be fixedly connected with translatory plate in rectangular channel, be carved with scale at the right and left of pressing plate;
Described Timing Belt strainer comprises the axis of rolling, two springs and fixed mount; Two corresponding deep-slotted chip breakers are had between front and rear panels, two end-rack of the axis of rolling are on two deep-slotted chip breakers, the two ends of the axis of rolling are fixedly connected with one end of a spring respectively, described fixed mount is that a stationary shaft is fixed between front and rear panels, the other end of two springs is fixed on fixed mount, and the described axis of rolling is pressed on Timing Belt by the pulling force of spring;
Described eccentric stiffener comprises two line slideways, two pieces of slide blocks, latch and fixed heads, two described line slideways are parallel to each other and are fixed on header board, two line slideways are respectively equipped with a slide block, two pieces of slide blocks are connected by fixed head, latch is arranged between fixed head and header board, and is fixed on fixed head; Wherein be carved with scale below a line slideway;
Described driven member mechanism comprises a fixing slide block, a free line slideway, upper holder, a contact head;
Described fixing slide block is fixedly installed on fixed head, free line slideway and fixing slide block are connected, the upper end of free line slideway arranges a upper holder, upper holder has a paintbrush mounting hole vertical with translatory plate, mounting hole arranged outside clamping screw, the lower end of free line slideway is fixedly connected with lower sub, described lower sub has three cylinder magnetic head mounting holes, described contact head is provided with the cylinder magnetic head of three, contact head and lower sub Matching installation.
2. drafting cam according to claim 1 is biased the device of lower motion line chart in difference, it is characterized in that: described contact head comprises platybasic type contact head, roller-type contact head and pinnacle type contact head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535120.7U CN204166795U (en) | 2014-09-17 | 2014-09-17 | Draw cam is biased lower motion line chart device in difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535120.7U CN204166795U (en) | 2014-09-17 | 2014-09-17 | Draw cam is biased lower motion line chart device in difference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166795U true CN204166795U (en) | 2015-02-18 |
Family
ID=52540461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420535120.7U Withdrawn - After Issue CN204166795U (en) | 2014-09-17 | 2014-09-17 | Draw cam is biased lower motion line chart device in difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204166795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464486A (en) * | 2014-09-17 | 2015-03-25 | 杭州电子科技大学 | Device for drawing motion curves of cam under different offsets |
-
2014
- 2014-09-17 CN CN201420535120.7U patent/CN204166795U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464486A (en) * | 2014-09-17 | 2015-03-25 | 杭州电子科技大学 | Device for drawing motion curves of cam under different offsets |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20170510 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20170510 |