CN215883132U - Novel parameter-adjustable cam profile curve drawing display instrument - Google Patents
Novel parameter-adjustable cam profile curve drawing display instrument Download PDFInfo
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- CN215883132U CN215883132U CN202120046501.9U CN202120046501U CN215883132U CN 215883132 U CN215883132 U CN 215883132U CN 202120046501 U CN202120046501 U CN 202120046501U CN 215883132 U CN215883132 U CN 215883132U
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Abstract
A novel parameter-adjustable cam profile curve drawing display instrument is characterized by comprising a drawing panel, a rotating device, a paper conveying device, a drawing pen supporting frame, a drawing pen, a lifting device and a telescopic device; the lifting device is arranged on the drawing pen supporting frame, the telescopic device is arranged on the lifting device, and the drawing pen is arranged on the telescopic device; the drawing panel is arranged on the rotating device, the drawing panel is positioned below the drawing pen, the paper conveying device is arranged on the drawing pen supporting frame, and the conveying direction faces the drawing panel; conveying the paper to the drawing panel through the paper conveying device, and adjusting the height of the drawing pen through the lifting device to enable the drawing pen to be in contact with the paper on the drawing panel; the rotating device is started to rotate the drawing panel, and the telescopic device is driven to drive the drawing pen to advance and retreat at the same time, so that the drawing pen draws a cam profile curve. The utility model can be applied to classroom demonstration and experimental operation and has wide application prospect.
Description
Technical Field
The utility model relates to the field of cam profile curve drawing, in particular to a novel parameter-adjustable cam profile curve drawing display instrument.
Background
The traditional cam instrument is generally realized by utilizing the unilateral movement of a mechanical arm, and the drawing panel does not make any auxiliary movement. In addition, the function is single, and only the cam is simply drawn without any other auxiliary function.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel parameter-adjustable cam profile curve drawing and displaying instrument aiming at the defects of the prior art.
The technical scheme of the utility model is as follows:
a novel parameter-adjustable cam profile curve drawing display instrument is characterized by comprising a drawing panel, a rotating device, a paper conveying device, a drawing pen supporting frame, a drawing pen, a lifting device and a telescopic device; the lifting device is arranged on the drawing pen supporting frame, the telescopic device is arranged on the lifting device, and the drawing pen is arranged on the telescopic device; the drawing panel is arranged on the rotating device, the drawing panel is positioned below the drawing pen, the paper conveying device is arranged on the drawing pen supporting frame, and the conveying direction faces the drawing panel; conveying the paper to the drawing panel through the paper conveying device, and adjusting the height of the drawing pen through the lifting device to enable the drawing pen to be in contact with the paper on the drawing panel; the rotating device is started to rotate the drawing panel, and the telescopic device is driven to drive the drawing pen to advance and retreat at the same time, so that the drawing pen draws a cam profile curve.
Furthermore, the two groups of lifting devices are symmetrically arranged on the drawing pen support frame; each group of lifting devices comprises a lifting motor and a screw mechanism, the two groups of screw mechanisms share one lifting platform, a power output shaft of the lifting motor is in transmission connection with the screw mechanism, a threaded through hole matched with the screw mechanism is formed in the lifting platform, the lifting platform is screwed on the screw mechanism through the threaded through hole, and the lifting platform is driven to lift by the rotation of the screw mechanism; the telescopic device is arranged on the lifting platform; the lifting motor drives the screw mechanism to drive the lifting platform and the drawing pen to move upwards or downwards.
Furthermore, the telescopic device comprises a telescopic motor, a rack and a gear, the drawing pen is arranged on a connecting seat, the rack is arranged at the bottom of the connecting seat, the telescopic motor is arranged on a lifting platform, and the connecting seat is in sliding fit with the lifting platform; the power output shaft of the telescopic motor is in transmission connection with a gear, and the gear is in meshed connection with the rack; the telescopic motor drives the gear to drive the rack, the connecting seat and the drawing pen to advance and retreat relative to the drawing panel.
Furthermore, a locking device is also arranged, and the locking device comprises a bolt, a nut and a connecting block; the connecting seat is provided with a drawing pen mounting hole and a threaded hole; the connecting block is positioned below the connecting seat and is provided with a threaded hole and a clamping groove; the drawing pen is inserted into the mounting hole of the connecting seat and clamped in the clamping groove of the connecting block, and the bolt is sequentially screwed into the threaded holes of the connecting block and the connecting seat and locked by the nut.
Furthermore, the rotating device comprises a first rotating motor, a first worm wheel and a first worm, the drawing panel is installed on the worm wheel, and the rotating motor drives the drawing panel to rotate through driving the worm.
Further, the paper conveying device is a chain transmission mechanism.
Furthermore, two groups of display devices which are oppositely arranged are also arranged, and the two groups of display devices are symmetrically arranged at the left side and the right side of the drawing pen supporting frame; each group of display devices comprises an air pump, a lifting cylinder, a display arm, a second worm wheel, a second worm and a second rotating motor; the display arm is mounted on a rotating platform, the rotating platform is connected with a second worm gear, and the second rotating motor drives the second worm gear through a second worm; the display arm is mounted above the display device through an upright column, the middle part of the display arm is hinged with the upright column, the tail part of the display arm is connected with an output shaft of the lifting cylinder, and the head part of the display arm is provided with a sucker connected with the air pump; drive the show arm through rotating electrical machines two and rotate to drawing panel top, drive the sucking disc decline and the paper contact of show arm head through the lifting cylinder, make the sucking disc adsorb the paper through the air pump, drive show arm, paper through the lifting cylinder and rise and demonstrate.
The working process of the utility model is as follows:
A. paper sheet conveying process
The driving chain transmission mechanism starts to move, and the drawing paper is conveyed to the drawing panel, so that the automatic transmission of the paper is realized;
B. adjustment of drawing pen
Lowering the drawing pen to contact with the paper at the drawing panel through the lifting device;
C. drawing cam profile curve
The drawing panel starts to do circular motion through the rotating device, and the drawing pen advances and retreats through the telescopic device to be matched with the cam profile curve position, so that relative motion of the drawing panel and the cam profile curve position is formed;
D. drawing pen retraction
After drawing is finished, the drawing pen is lifted to leave the drawing by using the lifting device, and meanwhile, the drawing pen is retracted by using the telescopic device;
E. automatic display
Drive the show arm through rotating electrical machines two and rotate to drawing panel top, drive the sucking disc decline and the paper contact of show arm head through the lifting cylinder, make the sucking disc adsorb the paper through the air pump, drive show arm, paper through the lifting cylinder and rise and demonstrate.
The cam profile curve drawing instrument fully utilizes the relative motion principle, and well combines the front and back linear motion (realized by the telescopic device) of the drawing pen and the circular motion (realized by the rotating device) of the drawing panel, so that the curve can be drawn more quickly and perfectly. The cam instrument has novel form, can be applied to classroom demonstration and experimental operation, is simple and feasible, can facilitate students to better master a reversal method to draw a cam profile curve, and has wide application prospect.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention.
Detailed Description
As shown in the figure, the novel parameter-adjustable cam profile curve drawing and displaying instrument is characterized by comprising a drawing panel 1, a rotating device, a paper conveying device, a drawing pen supporting frame 2, a drawing pen 3, a lifting device and a telescopic device; the lifting device is arranged on the drawing pen supporting frame, the telescopic device is arranged on the lifting device, and the drawing pen is arranged on the telescopic device; the drawing panel is arranged on the rotating device, the drawing panel is positioned below the drawing pen, the paper conveying device is arranged on the drawing pen supporting frame, and the conveying direction faces the drawing panel; conveying the paper to the drawing panel through the paper conveying device, and adjusting the height of the drawing pen through the lifting device to enable the drawing pen to be in contact with the paper on the drawing panel; the rotating device is started to rotate the drawing panel, and the telescopic device is driven to drive the drawing pen to advance and retreat at the same time, so that the drawing pen draws a cam profile curve.
Specifically, the method comprises the following steps:
1. the two groups of lifting devices are symmetrically arranged on the drawing pen supporting frame; each group of lifting devices comprises a lifting motor 4 and a screw mechanism 5, the two groups of screw mechanisms share one lifting platform 6, a power output shaft of the lifting motor 4 is in transmission connection with the screw mechanism 5, a threaded through hole matched with the screw mechanism 5 is formed in the lifting platform 6, the lifting platform 6 is screwed on the screw mechanism 5 through the threaded through hole, and the lifting platform 6 is driven to lift by the rotation of the screw mechanism 5; the telescopic device is arranged on the lifting platform; the lifting motor drives the screw mechanism to drive the lifting platform and the drawing pen to move upwards or downwards.
2. The drawing pen is arranged on a connecting seat 7, the rack is arranged at the bottom of the connecting seat, the telescopic motor is arranged on a lifting platform, and the connecting seat is in sliding fit with the lifting platform; the power output shaft of the telescopic motor is in transmission connection with a gear, and the gear is in meshed connection with the rack; the telescopic motor drives the gear to drive the rack, the connecting seat and the drawing pen to advance and retreat relative to the drawing panel.
3. The locking device is further arranged and comprises a bolt 8, a nut 9 and a connecting block 10; the connecting seat is provided with a drawing pen mounting hole and a threaded hole; the connecting block is positioned below the connecting seat and is provided with a threaded hole and a clamping groove; the drawing pen is inserted into the mounting hole of the connecting seat and clamped in the clamping groove of the connecting block, and the bolt is sequentially screwed into the threaded holes of the connecting block and the connecting seat and locked by the nut.
4. The rotating device comprises a first rotating motor 11, a first worm wheel 12 and a first worm, the drawing panel is installed on the worm wheel, and the rotating motor drives the drawing panel to rotate through driving the worm.
5. The paper conveying device is a chain transmission mechanism 13.
6. Two groups of display devices which are oppositely arranged are also arranged, and the two groups of display devices are symmetrically arranged at the left side and the right side of the drawing pen supporting frame; each group of display devices comprises an air pump 14, a lifting air cylinder 15, a display arm 16, a second worm wheel 17, a second worm and a second rotating motor 18; the display arm is mounted on a rotating platform, the rotating platform is connected with a second worm gear, and the second rotating motor drives the second worm gear through a second worm; the display arm is arranged above the display device through an upright post 19, the middle part of the display arm is hinged with the upright post, the tail part of the display arm is connected with an output shaft of the lifting cylinder, and the head part of the display arm is provided with a sucker 20 connected with an air pump; drive the show arm through rotating electrical machines two and rotate to drawing panel top, drive the sucking disc decline and the paper contact of show arm head through the lifting cylinder, make the sucking disc adsorb the paper through the air pump, drive show arm, paper through the lifting cylinder and rise and demonstrate.
Claims (7)
1. A novel parameter-adjustable cam profile curve drawing display instrument is characterized by comprising a drawing panel (1), a rotating device, a paper conveying device, a drawing pen supporting frame (2), a drawing pen (3), a lifting device and a telescopic device; the lifting device is arranged on the drawing pen support frame (2), the telescopic device is arranged on the lifting device, and the drawing pen (3) is arranged on the telescopic device; the drawing panel is arranged on the rotating device, the drawing panel is positioned below the drawing pen (3), the paper conveying device is arranged on the drawing pen supporting frame (2), and the conveying direction faces the drawing panel; the paper is conveyed to the drawing panel through the paper conveying device, and the height of the drawing pen (3) is adjusted through the lifting device, so that the drawing pen (3) is in contact with the paper on the drawing panel; the rotating device is started to rotate the drawing panel, and the telescopic device is driven to drive the drawing pen (3) to advance and retreat at the same time, so that the drawing pen (3) draws a cam profile curve.
2. The novel parameter-adjustable cam profile curve drawing and displaying instrument as claimed in claim 1, wherein the number of the lifting devices is two, and the two lifting devices are symmetrically arranged on the drawing pen support frame (2); each group of lifting devices comprises a lifting motor (4) and a screw mechanism (5), two groups of screw mechanisms (5) share one lifting platform (6), a power output shaft of the lifting motor (4) is in transmission connection with the screw mechanism (5), the lifting platform (6) is provided with a threaded through hole matched with the screw mechanism (5), the lifting platform (6) is screwed on the screw mechanism (5) through the threaded through hole, and the rotation of the screw mechanism (5) drives the lifting platform (6) to lift; the telescopic device is arranged on the lifting platform; the lifting motor (4) drives the screw mechanism (5) to drive the lifting platform and the drawing pen (3) to move upwards or downwards.
3. The novel parameter-adjustable cam profile curve drawing and displaying instrument as claimed in claim 2, wherein the telescopic device comprises a telescopic motor, a rack and a gear, the drawing pen (3) is mounted on a connecting seat (7), the rack is arranged at the bottom of the connecting seat, the telescopic motor is mounted on a lifting platform, and the connecting seat is in sliding fit with the lifting platform; the power output shaft of the telescopic motor is in transmission connection with a gear, and the gear is in meshed connection with the rack; the telescopic motor drives the gear to drive the rack, the connecting seat and the drawing pen (3) to advance and retreat relative to the drawing panel.
4. The novel parameter-adjustable cam profile curve drawing and displaying instrument as claimed in claim 3, wherein a locking device is further provided, and the locking device comprises a bolt (8), a nut (9) and a connecting block (10); the connecting seat is provided with a drawing pen mounting hole and a threaded hole; the connecting block is positioned below the connecting seat and is provided with a threaded hole and a clamping groove; the drawing pen (3) is inserted into the mounting hole of the connecting seat and clamped in the clamping groove of the connecting block, and the bolt is sequentially screwed into the threaded holes of the connecting block and the connecting seat and locked by a nut.
5. The novel parameter-adjustable cam profile curve drawing and displaying instrument as claimed in claim 4, wherein the rotating device comprises a first rotating motor (11), a first worm wheel (12) and a first worm, the drawing panel is mounted on the first worm wheel, and the rotating motor drives the drawing panel to rotate by driving the worm.
6. The new parameter adjustable cam profile curve drawing and displaying instrument as claimed in claim 5, wherein the paper conveying device is a chain transmission mechanism (13).
7. The novel parameter-adjustable cam profile curve drawing and displaying instrument as claimed in claim 6, wherein two groups of display devices are oppositely arranged, and the two groups of display devices are symmetrically arranged on the left side and the right side of the drawing pen supporting frame (2); each group of display devices comprises an air pump (14), a lifting air cylinder (15), a display arm (16), a second worm wheel (17), a second worm and a second rotating motor (18); the display arm is mounted on a rotating platform, the rotating platform is connected with a second worm gear, and the second rotating motor drives the second worm gear through a second worm; the display arm is arranged above the display device through an upright post (19), the middle part of the display arm is hinged with the upright post, the tail part of the display arm is connected with an output shaft of the lifting cylinder, and the head part of the display arm is provided with a sucker (20) connected with the air pump; drive the show arm through rotating electrical machines two and rotate to drawing panel top, drive the sucking disc decline and the paper contact of show arm head through the lifting cylinder, make the sucking disc adsorb the paper through the air pump, drive show arm, paper through the lifting cylinder and rise and demonstrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120046501.9U CN215883132U (en) | 2021-01-08 | 2021-01-08 | Novel parameter-adjustable cam profile curve drawing display instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120046501.9U CN215883132U (en) | 2021-01-08 | 2021-01-08 | Novel parameter-adjustable cam profile curve drawing display instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215883132U true CN215883132U (en) | 2022-02-22 |
Family
ID=80338501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120046501.9U Active CN215883132U (en) | 2021-01-08 | 2021-01-08 | Novel parameter-adjustable cam profile curve drawing display instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215883132U (en) |
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2021
- 2021-01-08 CN CN202120046501.9U patent/CN215883132U/en active Active
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