CN215423393U

CN215423393U - Drawing tool for mechanical design drawing

Info

Publication number: CN215423393U
Application number: CN202121535570.2U
Authority: CN
Inventors: 陈俊; 申跃; 杨珊; 陆滴; 申川川
Original assignee: Liupanshui Normal University
Current assignee: Liupanshui Normal University
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-07
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a drawing tool for mechanical design drawing, which comprises a drawing table and a positioning mechanism, wherein the positioning mechanism is arranged above the drawing table, two cavities are symmetrically formed in the drawing table, a reciprocating screw rod is transversely and rotatably connected in each cavity, a thread block is in threaded connection with each reciprocating screw rod, a second L-shaped plate is fixedly mounted on the upper end surface of each thread block, each second L-shaped plate is slidably connected into the side wall of the upper end of the drawing table, a sliding hole matched with the second L-shaped plate is formed in the upper end surface of each cavity, and one end of each reciprocating screw rod is rotatably connected to the inner wall of the cavity. According to the utility model, the servo motor drives the driving gear to rotate through the output end, the driving gear drives the driven gears on two sides to rotate through the toothed belt, and the driven gears drive the reciprocating screw to rotate, so that the second L-shaped plate moves back and forth to flatten the turned-over part of the edge of the drawing paper, and the drawing accuracy of a drawing worker is improved.

Description

Drawing tool for mechanical design drawing

Technical Field

The utility model relates to the technical field of drawing, in particular to a drawing tool for mechanical design drawing.

Background

The mechanical design is a working process which is used for conceiving, analyzing and calculating the working principle, structure, motion mode, force and energy transmission mode, the material and shape size of each part, a lubricating method and the like of the machine according to the use requirement and converting the working principle, the structure, the motion mode, the force and energy transmission mode, the material and shape size of each part, the lubricating method and the like into a specific description as a manufacturing basis. When carrying out mechanical design drawing, often draw on the drawing board, the drawing process is generally longer, and current mechanical design drawing device is when using, and is unstable to the fixed of drawing, and the drawing can remove when leading to drawing, has influenced going on of drawing work.

In order to solve the above problems, patent No. CN211166115U discloses a mechanical design drawing device, which comprises a frame body, wherein drawing boards are movably mounted on two sides of the supporting board. Be equipped with and compress tightly the subassembly, can drive rubber briquetting downstream through the screw rod, and then compress tightly the four corners of drawing on the drawing board, the drawing takes place to remove when preventing to draw, is equipped with arc-shaped sleeve, slide bar and positioning bolt, can drive the slide bar through removing the drawing board and remove in arc-shaped sleeve, is convenient for remove the tool holder, can leave drawing tools in the tool holder, is convenient for get when needs and puts drawing tools, brings better use prospect.

The phenomenon of turning over the book can all appear in the drawing corner during drawing, and above-mentioned current drawing device is putting drawing paper on the drawing board, can't flatten the corner of the turning over of drawing, accuracy when having reduced people and drawing.

In order to solve the problems, the utility model provides a drawing tool for mechanical design drawing.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a drawing tool for mechanical design drawing, includes drawing bench and positioning mechanism, positioning mechanism sets up the top at the drawing bench, two cavitys have been seted up to the symmetry in the drawing bench, every equal transverse rotation is connected with reciprocal lead screw in the cavity, every equal threaded connection has a screw thread piece, every on the reciprocal lead screw the equal fixed mounting of up end of screw thread piece has No. two L templates, every No. two equal sliding connection of L template is in the upper end lateral wall of drawing bench, every the up end of cavity all will be seted up with No. two L template assorted slide opening, every the one end of reciprocal lead screw is all rotated and is connected on the inner wall of cavity, every the other end of cavity all runs through the lateral wall and the fixed mounting of drawing bench has driven gear, two be provided with adjustment mechanism between the driven gear.

Preferably, adjustment mechanism includes servo motor and driving gear, servo motor fixed mounting is on the lateral wall of drawing platform, the output and the driving gear fixed connection of drawing platform, the driving gear passes through the cingulum and is connected with the driven gear transmission of both sides.

Preferably, positioning mechanism includes four L templates and clamp plate, four L template symmetry fixed mounting is in the up end of drawing the platform, every equal vertical interlude of center department of a L template has the screw thread post, every the equal fixed mounting in upper end of screw thread post has rotatory handle, every the equal fixed mounting of lower extreme of screw thread post is at the up end of clamp plate.

Preferably, the upper end of the first L-shaped plate is provided with a threaded hole matched with the threaded column, the threaded column is in threaded connection with the threaded hole, and the end face of the pressing plate is provided with anti-skid lines.

Preferably, the lower terminal surface symmetry of drawing platform is provided with four supporting legs, every the lower terminal surface of supporting leg all is provided with anti-skidding cushion.

Compared with the prior art, the utility model has the beneficial effects that:

the servo motor drives the driving gear to rotate through the output end, the driving gear drives the driven gears on the two sides to rotate through the toothed belt, and the driven gears drive the reciprocating screw to rotate, so that the second L-shaped plate moves back and forth to flatten the paper edge turning place, and the drawing accuracy of drawing personnel is improved.

Drawings

FIG. 1 is a schematic front view of a drawing tool for mechanical design drawing according to the present invention;

fig. 2 is a side sectional view of a drawing table in the drawing tool for mechanical design drawing according to the present invention.

In the figure: the device comprises a reciprocating screw rod 1, a driving gear 2, a toothed belt 3, a driven gear 4, an L-shaped plate 5, a servo motor 6, a pressing plate 7, a rotating handle 8, a drawing table 9, an L-shaped plate 10, a sliding hole 11 and a cavity 12.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a drawing tool is used in mechanical design drawing, including drawing bench 9 and positioning mechanism, positioning mechanism sets up the top at drawing bench 9, two cavities 12 have been seted up to the symmetry in drawing bench 9, equal transverse rotation is connected with reciprocal lead screw 1 in every cavity 12, equal threaded connection has the screw block on every reciprocal lead screw 1, the equal fixed mounting of up end of every screw block has No. two L templates 10, the equal sliding connection of every No. two L templates 10 is in the upper end lateral wall of drawing bench 9, the up end of every cavity 12 all will be seted up with No. two L templates 10 assorted slide opening 11, the one end of every reciprocal lead screw 1 is all rotated and is connected on the inner wall of cavity 12, the other end of every cavity 12 all runs through the lateral wall and the fixed mounting of drawing bench 9 has driven gear 4, be provided with adjustment mechanism between two driven gear 4.

The adjusting mechanism comprises a servo motor 6 and a driving gear 2, the servo motor 6 is fixedly installed on the side wall of a drawing table 9, the output end of the drawing table 9 is fixedly connected with the driving gear 2, the driving gear 2 is in transmission connection with driven gears 4 on two sides through a toothed belt 3, and the servo motor 6 drives the toothed belt 3 to rotate through the driving gear 2 so as to drive the driven gears 4 on two sides to rotate;

the positioning mechanism comprises four first L-shaped plates 5 and a pressing plate 7, the four first L-shaped plates 5 are symmetrically and fixedly installed on the upper end face of a drawing table 9, a threaded column is vertically inserted into the center of each first L-shaped plate 5, a rotating handle 8 is fixedly installed at the upper end of each threaded column, the lower end of each threaded column is fixedly installed on the upper end face of the pressing plate 7, and the rotating handle 8 is screwed down to enable the threaded columns to move downwards so that the pressing plate 7 is abutted to four corners of the edge of a drawing to position the drawing;

the upper end of the first L-shaped plate 5 is provided with a threaded hole matched with the threaded column, the threaded column is in threaded connection with the threaded hole, and the end face of the pressing plate 7 is provided with anti-skid threads, so that the friction force between the pressing plate 7 and a drawing is improved, and the stability of the drawing in placement is further enhanced;

wherein, the lower end surface of the drawing table 9 is symmetrically provided with four supporting legs, and the lower end surface of each supporting leg is provided with an anti-skidding rubber mat to prevent the supporting legs from skidding with the ground;

according to the utility model, after the drawing paper is laid on the upper end surface of the drawing table 9, the rotary handle 8 is screwed tightly, so that the pressing plate 7 is pressed at four corners of the drawing paper, at the moment, the upper end surface of the drawing paper is tightly attached to the second L-shaped plate 10, then the servo motor 6 is started, the servo motor 6 drives the driving gear 2 to rotate through the output end, the driving gear 2 drives the driven gears 4 on two sides to rotate through the toothed belt 3, the driven gears 4 drive the reciprocating screw rod 1 to rotate, so that the second L-shaped plate 10 moves back and forth to flatten the position where the drawing paper is turned over and rolled, and the drawing accuracy of a drawing person is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The drawing tool for mechanical design drawing comprises a drawing table (9) and a positioning mechanism, and is characterized in that the positioning mechanism is arranged above the drawing table (9), two cavities (12) are symmetrically formed in the drawing table (9), each cavity (12) is internally and transversely connected with a reciprocating lead screw (1) in a rotating manner, each reciprocating lead screw (1) is internally and uniformly connected with a thread block in a threaded manner, the upper end surface of each thread block is fixedly provided with a second L-shaped plate (10), each second L-shaped plate (10) is slidably connected into the side wall of the upper end of the drawing table (9), the upper end surface of each cavity (12) is provided with a slide hole (11) matched with the second L-shaped plate (10), one end of each reciprocating lead screw (1) is rotatably connected onto the inner wall of the cavity (12), the other end of each cavity (12) penetrates through the side wall of the drawing table (9) and is fixedly provided with a driven gear (4), an adjusting mechanism is arranged between the two driven gears (4).

2. The drawing tool for mechanical design drawing according to claim 1, wherein the adjusting mechanism comprises a servo motor (6) and a driving gear (2), the servo motor (6) is fixedly installed on a side wall of the drawing table (9), an output end of the drawing table (9) is fixedly connected with the driving gear (2), and the driving gear (2) is in transmission connection with the driven gears (4) on two sides through a toothed belt (3).

3. The drawing tool for mechanical design drawing as claimed in claim 1, wherein the positioning mechanism comprises four first L-shaped plates (5) and a pressing plate (7), the four first L-shaped plates (5) are symmetrically and fixedly installed on the upper end face of a drawing table (9), a threaded column is vertically inserted into the center of each first L-shaped plate (5), a rotating handle (8) is fixedly installed at the upper end of each threaded column, and the lower end of each threaded column is fixedly installed on the upper end face of the pressing plate (7).

4. The drawing tool for mechanical design drawing according to claim 3, wherein the upper end of the first L-shaped plate (5) is provided with a threaded hole matched with a threaded column, the threaded column is in threaded connection with the threaded hole, and the end face of the pressing plate (7) is provided with anti-skid threads.

5. The drawing tool for mechanical design drawing according to claim 1, wherein the lower end surface of the drawing table (9) is symmetrically provided with four supporting legs, and the lower end surface of each supporting leg is provided with an anti-skid rubber mat.