CN112293950A

CN112293950A - A supplementary drawing device for industrial product design

Info

Publication number: CN112293950A
Application number: CN202011136424.2A
Authority: CN
Inventors: 黄赛; 刘键; 华艺霖
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-02-02
Anticipated expiration: 2040-10-22
Also published as: CN112293950B

Abstract

The utility model provides an auxiliary drawing device for industrial product design, includes the base, the bottom surface fixed mounting several universal wheel of base, the lower extreme of the first electric push rod of top surface four corners difference fixed connection of base, the bottom surface of the same mounting panel of upper end fixed connection of first electric push rod, the pull rod passes the second through-hole, the one end of one side fixed connection second spring of third piston, the inner wall opposite side of the other end fixed connection barrel of second spring, penetrating air release hole is seted up to the inner wall bottom surface opposite side of barrel. This device can drive the impeller through the air current and rotate, and the impeller rotates and makes the filter shake through cam and second spring telescopic link, trembles it into in the debris receiving flask, realizes the collection of rubber bits and can prevent that the rubber bits from blockking up the filter, and this device is more than clearing up the rubber bits in addition, can clear up impurity such as the remaining rubber bits of mounting panel top surface and ground simultaneously.

Description

A supplementary drawing device for industrial product design

Technical Field

The invention belongs to the field of drawing equipment, and particularly relates to an auxiliary drawing device for industrial product design.

Background

The drawing table is a table with an inclination angle adjustable desktop, is suitable for artists or plotters to use, can be adjusted in height, can be selected in a plurality of styles of common drawing tables, is inconvenient to clean the eraser crumbs generated by drawing of users in the drawing design process of industrial products, and causes the table top of the drawing table to be dirty, and the eraser crumbs can be scattered by the users when the users blow away the eraser crumbs, so that the subsequent cleaning is inconvenient.

Disclosure of Invention

The invention provides an auxiliary drawing device for industrial product design, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

an auxiliary drawing device for industrial product design comprises a base, wherein a plurality of universal wheels are fixedly installed on the bottom surface of the base, four corners of the top surface of the base are respectively and fixedly connected with the lower end of a first electric push rod, the upper end of the first electric push rod is fixedly connected with the bottom surface of the same mounting plate, one side of the top surface of the mounting plate is hinged with one side of the bottom surface of a rotating plate, one side of the top surface of the rotating plate is fixedly connected with the bottom surface of a baffle, an angle adjusting device is arranged between the rotating plate and the mounting plate, a first box body is fixedly installed on the top surface of the base, one side of the first box body is opened, a first piston is arranged in the first box body, the outer wall of the first piston is in sliding contact fit with the inner wall of the first box body, one side of the first piston is hinged with one end of a connecting rod, the other end of the, the other end of the first spring telescopic rod is respectively fixedly connected with the other side of the inner wall of the first box body, the other side of the top surface of the first box body is fixedly connected with the bottom surface of the filter box, the bottom surface of the filter box is provided with an opening, the other side of the top surface of the inner wall of the first box body is provided with an intercommunicating hole communicated with the inside of the filter box, a first one-way valve is fixedly arranged in the first ventilating hole, the top surface of the outer wall of the filter box is fixedly connected with the lower end of a hose communicated with the inside of the filter box, one side of the inner wall of the filter box is hinged and connected with one side of the filter plate, the periphery of the filter plate is in contact fit with the inner wall of the filter box, the other side of the top surface of the inner wall of the filter box is fixedly connected with the upper end, the first rotating shaft penetrates through the other side of the inner wall of the filter box and is connected with the other side of the inner wall of the filter box through a sealing bearing, one side of the first box is fixedly connected with one side of the box body, one side of the box body is opened, the other side of the inner wall of the first box is provided with an intercommunicating hole communicated with the inside of the box body, an impeller is arranged in the box body and is fixedly arranged at one end of a second rotating shaft, the second rotating shaft penetrates through the other side of the inner wall of the box body and is connected with a bearing, the other end of the first rotating shaft is connected with the other end of the second rotating shaft through a chain wheel transmission structure, one side of the outer wall of the filter box is provided with a sundry collecting bottle communicated with the inside of the filter box, the bottom surface of the outer wall of the box body is fixedly connected with the upper end of a pipeline, the pipeline is fixedly, a second piston is arranged in the second box body, the periphery of the second piston is in sliding contact fit with the inner wall of the second box body, a first through hole is formed in the bottom surface of the inner wall of the second box body, the bottom surface of the second piston is fixedly connected with the upper end of a moving rod, the moving rod penetrates through the first through hole, the bottom surface of the second piston is connected with the bottom surface of the inner wall of the second box body through a plurality of first springs, one side of the outer wall of the second box body is fixedly connected with one side of a barrel body, one side of the barrel body is open, a mutual through hole communicated with the interior of the barrel body is formed in the top of one side of the inner wall of the second box body, a third piston in sliding contact fit with the barrel body is arranged in the barrel body, one side of the third piston is fixedly connected with one end of a pull rod, a second through hole is formed in the other side of the inner, the other side of the bottom surface of the inner wall of the cylinder body is provided with a through air vent.

The auxiliary drawing device for industrial product design is characterized in that the upper end of the hose is fixedly provided with the flat suction nozzle, and the front surface of the rotating plate is fixedly connected with the back surface of the outer wall of the C-shaped ring.

The angle adjusting device comprises a second electric push rod and an L-shaped plate, the top surface of the vertical part of the L-shaped plate is fixedly connected with the bottom surface of the mounting plate, the top surface of the longitudinal part of the L-shaped plate is hinged with the lower end of the second electric push rod, and the upper end of the second electric push rod is hinged with the rotating plate.

The auxiliary drawing device for industrial product design is characterized in that the second electric push rods are all in circuit connection with the controller, and the first electric push rods are in circuit connection with the controller.

According to the auxiliary drawing device for industrial product design, the lower end of the moving rod is fixedly provided with the top surface of the contact plate, and the bottom surface of the contact plate is provided with the anti-skid grains.

The auxiliary drawing device for industrial product design is characterized in that a pull handle is fixedly arranged at the other end of the pull rod.

The invention has the advantages that: the device is a drawing auxiliary device for industrial product design, the device is provided with universal wheels, a user can conveniently push the device to move, the user can adjust the length of a first electric push rod and further can adjust the height of a rotating plate, after the user adjusts the rotating plate to a proper height, the user can adjust the angle of the rotating plate through an angle adjusting device so as to conveniently draw, the user fixes the device by hand, the user steps on a pedal, the pedal rotates along the hinged part and drives a first piston to move leftwards through a connecting rod, the first piston moves leftwards so as to compress a first spring telescopic rod, after the user loosens feet, under the elastic force action of the first spring telescopic rod, the first piston moves rightwards, the user continuously steps on and loosens the pedal so as to enable the first piston to move leftwards and rightwards in a reciprocating manner, the first piston continuously presses air in a first box body into a second box body through a box body and a pipeline in a, the air pressure in the second box body is increased to push the second piston to move downwards, the second box body is communicated with the barrel body to enable the third piston to move rightwards, the second piston moves downwards to drive the moving rod to move downwards, the moving rod can play a fixing role in the device after moving downwards and contacting with the ground, a user continues to tread and release the pedal to enable redundant air pressure to push the third piston to move rightwards, finally the third piston is discharged through the air discharge hole, the second box body keeps stable air pressure, the user places the drawing board on the top surface of the rotating plate, the baffle can prevent the drawing board from sliding downwards along the rotating plate, in the drawing process of the user, the user can align the upper port of the hose with rubber scraps generated in the drawing process, the user treads and releases the pedal to enable the first piston to move leftwards and rightwards in a reciprocating mode, the first piston moves rightwards to suck external air into the first box body, and then the rubber scraps, rubber scraps enter the filter box along the pipeline and fall on the top surface of the filter plate, a first piston moves leftwards to press air in a first box into a second box, the air flows through an impeller to enable the impeller to rotate, the impeller rotates to drive a second rotating shaft to rotate, the second rotating shaft drives a first rotating shaft to rotate through a chain wheel transmission structure, the first rotating shaft rotates to drive a cam to rotate, the cam rotates and a second spring telescopic rod enables the other side of the filter plate to shake up and down, further, the rubber scraps above the filter plate are shaken into the sundries collecting bottle, after drawing is completed by a user, the user pulls a pull rod rightwards, the pull rod moves rightwards and drives a third piston to move rightwards to the right of an air vent, under the action of spring elasticity of a first spring, the second piston pushes the air in the second box into a cylinder and discharges the air through the air vent, the second piston moves upwards to drive a moving rod to move upwards and, compared with the prior art, firstly, the user can lead the moving rod to move downwards and contact with the bottom surface by stepping on the pedal, thereby fixing the device, preventing the user from treading the pedal to drive the device to shake in the drawing process, avoiding influencing the drawing effect, secondly, the device sucks the rubber scraps above the filter plate in a pedal stepping mode to clean the rubber scraps generated in the drawing process, and thirdly, the device can drive the impeller to rotate through air flow, the impeller rotates to enable the filter plate to shake through the cam and the second spring telescopic rod to shake into the sundries collecting bottle, so that the collection of the rubber scraps is realized, and the rubber scraps can be prevented from blocking the filter plate, in addition, the device can not only clean the rubber scraps, but also clean impurities such as residual rubber scraps on the top surface of the mounting plate and the ground.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of a portion II of FIG. 1; fig. 4 is a partially enlarged view of iii of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An auxiliary drawing device for industrial product design comprises a base 1, wherein a plurality of universal wheels 2 are fixedly installed on the bottom surface of the base 1, four corners of the top surface of the base 1 are respectively and fixedly connected with the lower end of a first electric push rod 3, the upper end of the first electric push rod 3 is fixedly connected with the bottom surface of the same mounting plate 4, one side of the top surface of the mounting plate 4 is hinged with one side of the bottom surface of a rotating plate 5, one side of the top surface of the rotating plate 5 is fixedly connected with the bottom surface of a baffle 37, an angle adjusting device is arranged between the rotating plate 5 and the mounting plate 4 and used for adjusting the angle of the rotating plate 5, the two angle adjusting devices are respectively arranged on the front side and the rear side of the rotating plate 5, the stress of the rotating plate 5 can be more uniform, the operation stability of the device is improved, a first box body 6 is fixedly installed on the top surface of, the outer wall of the first piston 7 is in sliding contact fit with the inner wall of the first box body 6, one side of the first piston 7 is hinged with one end of a connecting rod 8, the other end of the connecting rod 8 is hinged with one side of a pedal 9, the other side of the pedal 9 is hinged with the top surface of the base 1, the other side of the first piston 7 is fixedly connected with one end of a plurality of first spring telescopic rods 10, the other end of each first spring telescopic rod 10 is fixedly connected with the other side of the inner wall of the first box body 6, the other side of the top surface of the first box body 6 is fixedly connected with the bottom surface of a filter box 11, the bottom surface of the filter box 11 is opened, the other side of the top surface of the inner wall of the first box body 6 is provided with an intercommunicating hole communicated with the inside of the filter box 11, a first one-way valve is fixedly arranged in the first ventilating hole, the first one-way valve enables gas in the filter box 11 to enter the first, one side of the inner wall of the filter box 11 is hinged with one side of a filter plate 12, the periphery of the filter plate 12 is in contact fit with the inner wall of the filter box 11, the other side of the top surface of the inner wall of the filter box 11 is fixedly connected with the upper end of a second spring telescopic rod 13, the lower end of the second spring telescopic rod 13 is in contact fit with the other side of the top surface of the filter plate 12, a cam 14 is arranged below the other side of the filter plate 12, the peripheral top surface of the cam 14 is in contact fit with the other side of the bottom surface of the filter plate 12, the cam 14 is fixedly arranged at one end of a first rotating shaft 15, the first rotating shaft 15 penetrates through the other side of the inner wall of the filter box 11 and is connected with the other side of the inner wall of the filter box 11 through a sealing bearing, one side of a box body 16 is fixedly connected with one side of the first box body 6, the second rotating shaft 18 penetrates through the other side of the inner wall of the box body 16 and is connected with the other side of the inner wall of the box body 16 in a bearing mode, the other end of the first rotating shaft 15 is connected with the other end of the second rotating shaft 8 through a chain wheel transmission structure, one side of the outer wall of the filter box 11 is provided with a sundry collecting bottle 20 communicated with the inside of the filter box, an opening of the sundry collecting bottle 20 is provided with an internal thread, one side of the filter box 11 is fixedly connected with an outlet pipeline communicated with the inside of the filter box, the periphery of the outlet pipeline is provided with an external thread matched with the internal thread on the sundry collecting bottle 20 in a threaded mode, a user can unscrew the sundry collecting bottle 20 and is convenient to disassemble and install, the top surface of the inner wall of the outlet pipeline is higher than the top surface of one side of the filter plate 12, so that the rubber scraps on, the pipeline 21 is communicated with the interior of the box body 16, a second one-way valve is fixedly arranged on the pipeline 21, the second one-way valve enables air in the box body 16 to enter the second box body 23 along the pipeline 21 in one way, the pipeline 21 penetrates through the top surface of the base 1, the lower end of the pipeline 21 is fixedly connected with the top surface of the outer wall of the second box body 23 and communicated with the interior of the second box body, the top surface of the outer wall of the second box body 23 is fixedly connected with the bottom surface of the base 1, a second piston 24 is arranged in the second box body 23, the periphery of the second piston 24 is in sliding contact fit with the inner wall of the second box body 23, a first through hole 39 is formed in the bottom surface of the inner wall of the second box body 23, the bottom surface of the second piston 24 is fixedly connected with the upper end of a moving rod 25, the moving rod 25 penetrates through the first through hole 39, the bottom surface of the second piston 24 is connected with, one side of the cylinder 27 is open, the top of one side of the inner wall of the second box 23 is provided with a through hole communicated with the inside of the cylinder 27, the cylinder 27 is internally provided with a third piston 28 in sliding contact fit with the cylinder 27, one side of the third piston 28 is fixedly connected with one end of a pull rod 29, the other side of the inner wall of the cylinder 27 is provided with a second through hole 30, the pull rod 29 passes through the second through hole 30, one side of the third piston 28 is fixedly connected with one end of a second spring 31, the other end of the second spring 31 is fixedly connected with the other side of the inner wall of the cylinder 27, and the other side of the bottom surface of the inner wall. The device is a drawing auxiliary device for industrial product design, the device is provided with universal wheels 2, a user can conveniently push the device to move, the user can adjust the length of a first electric push rod 3 and further can adjust the height of a rotating plate 5, after the user adjusts the rotating plate 5 to a proper height, the user can adjust the angle of the rotating plate 5 through an angle adjusting device so as to facilitate the user to draw, the user fixes the device with hands, the user tramples a pedal 9, the pedal 9 rotates along the hinged part and drives a first piston 10 to move leftwards through a connecting rod 8, the first piston 10 moves leftwards so that the first spring telescopic rod 10 is compressed, after the user looses feet, the first piston 10 moves rightwards under the action of elastic force of the first spring telescopic rod 10, the user continuously tramples and looses the pedal 9 so that the first piston 10 moves leftwards and rightwards in a reciprocating manner, the first piston 10 moves leftwards and continuously presses the air in the first box 6 into the second box 23 through the box 16 and the pipeline 21, the air pressure in the second box 23 increases to push the second piston 24 to move downwards, the second box 23 is communicated with the cylinder 27 to enable the third piston 28 to move rightwards, the second piston 24 moves downwards to drive the moving rod 25 to move downwards, the moving rod 25 moves downwards and contacts with the ground, the device can be fixed, a user continuously steps on and releases the pedal 9 to enable the redundant air pressure to push the third piston 28 to move rightwards, and finally the air pressure is discharged through the air discharge hole 32, the second box 23 keeps stable air pressure, the user places the drawing board on the top surface of the rotating plate 5, the baffle 37 can prevent the drawing board from sliding downwards along the rotating plate 5, and in the drawing process of the user, the user can align the upper end opening of the hose 22 with rubber scraps generated in the drawing process, the user steps on and loosens the pedal 9 to enable the first piston 10 to move left and right in a reciprocating manner, the first piston 10 moves right to enable outside air to be sucked into the first box body 6, further, rubber scraps are sucked into the pipeline 22 along with the outside air, the rubber scraps enter the filter box 11 along the pipeline 22 and fall on the top surface of the filter plate 12, the first piston 10 moves left to enable air in the first box body 6 to be pressed into the second box body 23, the air flows through the impeller 17 to enable the impeller 17 to rotate, the impeller 17 rotates to drive the second rotating shaft 18 to rotate, the second rotating shaft 18 drives the first rotating shaft 15 to rotate through the chain wheel transmission structure, the first rotating shaft 15 rotates to drive the cam 14 to rotate, the cam 14 rotates and the second spring telescopic rod 13 enables the other side of the filter plate 12 to shake up and down, further, the rubber scraps above the filter plate 12 shake into the sundry collecting bottle 20, and, the user pulls the pull rod 29 rightwards, the pull rod 29 moves rightwards and drives the third piston 28 to move rightwards to the right side of the air vent 32, under the action of the spring elasticity of the first spring 26, the second piston 24 pushes the air in the second box 23 into the cylinder 27 and discharges the air through the air vent 32, the second piston 24 moves upwards and drives the moving rod 25 to move upwards and separate from the bottom surface, and the user can push the device to move. Thirdly, this device can drive impeller 17 through air flow and rotate, and impeller 17 rotates and makes filter 12 shake through cam 14 and second spring telescopic link 13, trembles it into in debris receiving flask 20, realizes the collection of rubber bits and can prevent that the rubber bits from blockking up filter 12, and in addition, this device is not only clear up the rubber bits, can clear up impurity such as the remaining rubber bits of mounting panel 4 top surface and ground simultaneously.

Specifically, as shown in fig. 1, the upper end of the hose 22 according to this embodiment is fixedly installed with a flat suction nozzle 33, the front surface of the rotating plate 5 is fixedly connected to the rear surface of the outer wall of the C-shaped ring 34, the opening width of the C-shaped ring 34 is larger than the diameter of the outer wall of the hose 22, so that the hose 22 can enter the C-shaped ring 34, the diameter of the inner wall of the C-shaped ring 34 is smaller than the maximum diameter of the outer wall of the suction nozzle 33, the suction nozzle 33 can be prevented from penetrating through the C-shaped ring 34, and the. The user can take off suction nozzle 33 from C-shaped ring 34, and then absorbs the rubber bits, uses the back of accomplishing, and the user can hang suction nozzle 33 on C-shaped ring 34, and it is more convenient to use, and the dust of this device contained angle department is convenient for absorb to flat suction nozzle.

Specifically, as shown in fig. 1, each of the angle adjusting devices of the present embodiment is composed of a second electric push rod 35 and an L-shaped plate 36, wherein the top surface of the vertical portion of the L-shaped plate 36 is fixedly connected to the bottom surface of the mounting plate 4, the top surface of the longitudinal portion of the L-shaped plate 36 is hinged to the lower end of the second electric push rod 35, and the upper end of the second electric push rod 35 is hinged to the rotating plate 5. The user control two electric push rods 35 of second extend or contract in step, and the extension of second electric push rod 5 can make rotor plate 5 rotate along articulated department, and then can adjust the angle of rotor plate 5, simple structure, convenient to use.

Further, as shown in fig. 1, the second electric push rods 35 of the present embodiment are all electrically connected to the controller, the first electric push rods 3 are electrically connected to the controller, and the controller is fixedly mounted in front of the upper end of the thick rod periphery of one of the first electric push rods 3, so that the user can touch the controller with his hand, and can prevent the leg from accidentally touching the controller when moving. The user can control second electric push rod 35 through the controller for two second electric push rods 35 can the synchronous operation, and the user can control four first electric push rods 3 through the controller, makes four first electric push rods 3 can stretch out and draw back in step, and then improves the operating stability of this device.

Furthermore, as shown in fig. 1, the lower end of the moving rod 25 according to the embodiment is fixedly installed on the top surface of the contact plate 38, and the bottom surface of the contact plate 38 is provided with anti-skid threads. The contact plate 38 can contact with the ground, the ground gripping area of the device can be increased, the friction force between the contact plate 38 and the bottom surface can be increased by the anti-skid lines, and the ground gripping ability of the device can be improved, so that the device can be prevented from moving.

Further, as shown in fig. 1, the other end of the pull rod 29 is fixedly installed with the pull handle 19. The pull handle 39 can provide a force application point for a user, so that the user can pull the pull rod 19 conveniently, and the use is more convenient.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an supplementary drawing device for industrial product design, includes base (1), bottom surface fixed mounting several universal wheel (2) of base (1), its characterized in that: four corners of the top surface of a base (1) are respectively fixedly connected with the lower end of a first electric push rod (3), the upper end of the first electric push rod (3) is fixedly connected with the bottom surface of the same mounting plate (4), one side of the top surface of the mounting plate (4) is hinged with one side of the bottom surface of a rotating plate (5), one side of the top surface of the rotating plate (5) is fixedly connected with the bottom surface of a baffle plate (37), an angle adjusting device is arranged between the rotating plate (5) and the mounting plate (4), the top surface of the base (1) is fixedly provided with a first box body (6), one side of the first box body (6) is opened, a first piston (7) is arranged in the first box body (6), the outer wall of the first piston (7) is in sliding contact fit with the inner wall of the first box body (6), one side of the first piston (7) is hinged with one end of a connecting rod (8), the other end of the connecting rod (8) is hinged with one, the other side of the first piston (7) is fixedly connected with one end of a plurality of first spring telescopic rods (10), the other end of each first spring telescopic rod (10) is respectively and fixedly connected with the other side of the inner wall of the first box body (6), the other side of the top surface of the first box body (6) is fixedly connected with the bottom surface of the filter box (11), the bottom surface of the filter box (11) is open, the other side of the top surface of the inner wall of the first box body (6) is provided with an intercommunicating hole communicated with the inside of the filter box (11), a first one-way valve is fixedly arranged in the first communicating hole, the top surface of the outer wall of the filter box (11) is fixedly connected with the lower end of a hose (22) communicated with the inside of the filter box, one side of the inner wall of the filter box (11) is hinged and connected with one side of a filter plate (12), the periphery of the filter plate (12) is in contact fit, the lower end of a second spring telescopic rod (13) is in contact fit with the other side of the top surface of a filter plate (12), a cam (14) is arranged below the other side of the filter plate (12), the peripheral top surface of the cam (14) is in contact fit with the other side of the bottom surface of the filter plate (12), the cam (14) is fixedly arranged at one end of a first rotating shaft (15), the first rotating shaft (15) penetrates through the other side of the inner wall of a filter box (11) and is connected with the other side of the inner wall of the filter box through a sealing bearing, one side of a first box body (6) is fixedly connected with one side of a box body (16), one side of the box body (16) is opened, the other side of the inner wall of the first box body (6) is provided with a mutual through hole communicated with the inside of the box body (16), an impeller (17) is arranged in the box body (16), the impeller (17), the other end of the first rotating shaft (15) is connected with the other end of the second rotating shaft (8) through a chain wheel transmission structure, one side of the outer wall of the filter box (11) is provided with a sundries collecting bottle (20) communicated with the inside of the filter box, the bottom surface of the outer wall of the box body (16) is fixedly connected with the upper end of a pipeline (21), the pipeline (21) is communicated with the inside of the box body (16), a second one-way valve is fixedly installed on the pipeline (21), the pipeline (21) penetrates through the top surface of the base (1), the lower end of the pipeline (21) is fixedly connected with the top surface of the outer wall of the second box body (23) and is communicated with the inside of the second box body, the top surface of the outer wall of the second box body (23) is fixedly connected with the bottom surface of the base (1), a second piston (24) is arranged in the second box body (23), the periphery of the second piston (24) is, the bottom surface of the second piston (24) is fixedly connected with the upper end of a moving rod (25), the moving rod (25) penetrates through a first through hole (39), the bottom surface of the second piston (24) is connected with the bottom surface of the inner wall of the second box body (23) through a plurality of first springs (26), one side of the outer wall of the second box body (23) is fixedly connected with one side of a cylinder body (27), one side of the cylinder body (27) is opened, the top of one side of the inner wall of the second box body (23) is provided with a mutual through hole communicated with the inside of the cylinder body (27), a third piston (28) in sliding contact fit with the cylinder body (27) is arranged in the cylinder body (27), one side of the third piston (28) is fixedly connected with one end of a pull rod (29), the other side of the inner wall of the cylinder body (27) is provided with a second through hole (30), the pull rod (29) penetrates through the second through hole (30), one side of the third piston (28) is fixedly connected with one end of a second spring, the other side of the bottom surface of the inner wall of the cylinder body (27) is provided with a through air vent (32).

2. The auxiliary drawing device for industrial product design according to claim 1, wherein: the upper end of the hose (22) is fixedly provided with a flat suction nozzle (33), and the front surface of the rotating plate (5) is fixedly connected with the rear surface of the outer wall of the C-shaped ring (34).

3. The auxiliary drawing device for industrial product design according to claim 1, wherein: each angle adjusting device consists of a second electric push rod (35) and an L-shaped plate (36), the top surface of the vertical part of the L-shaped plate (36) is fixedly connected with the bottom surface of the mounting plate (4), the top surface of the longitudinal part of the L-shaped plate (36) is hinged with the lower end of the second electric push rod (35), and the upper end of the second electric push rod (35) is hinged with the rotating plate (5).

4. An auxiliary drawing device for industrial product design according to claim 3, wherein: the second electric push rods (35) are all in circuit connection with the controller, and the first electric push rods (3) are in circuit connection with the controller.

5. The auxiliary drawing device for industrial product design according to claim 1, wherein: the lower end of the movable rod (25) is fixedly provided with the top surface of a contact plate (38), and the bottom surface of the contact plate (38) is provided with anti-skid grains.

6. The auxiliary drawing device for industrial product design according to claim 1, wherein: the other end of the pull rod (29) is fixedly provided with a pull handle (19).