CN219152868U - Scribing device for machining mechanical parts - Google Patents

Abstract

The utility model discloses a scriber for machining mechanical parts, which comprises a semicircular plate and a scribing unit; semicircular plate: the center of a circle where the locking bolt is positioned is rotationally connected with a rotating plate through a rotating shaft, a screw hole arranged in the middle of the rear surface of the rotating plate is internally and threadedly connected with a locking bolt, the inner end head of the locking bolt is rotationally connected with an arc-shaped limiting plate through a bearing, the arc-shaped limiting plate is matched with the outer cambered surface of a semicircular plate, the upper end of the arc-shaped limiting plate is matched and installed with the bottom surface of the rotating plate, and the rear end of the locking bolt is provided with a knob; and a scribing unit: including sliding block, screw thread slotted hole and pen container, sliding block sliding connection is in the forked tail spout that sets up between the wall about the rotor plate, and the upper surface middle part of sliding block is equipped with the screw thread slotted hole, and the scriber is used in this mechanical parts processing, ensures the precision when mechanical parts processing is drawn a line, and the simple operation has simplified the operation flow of drawing a line in the design of integration, and the practicality is strong.

Description

Scribing device for machining mechanical parts

Technical Field

The utility model relates to the technical field of mechanical parts, in particular to a scriber for machining mechanical parts.

Background

The mechanical part is also called a mechanical element, is a basic element forming a machine, is an undetachable single part forming the machine and the machine, and before the machine part is cut, a corresponding line is required to be drawn on the machine part according to a cutting path, the conventional scribing operation basically adopts tools such as a scribing pen, a ruler, a compass, an angle square and the like, and scribing work is carried out in a mutually matched mode.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides the scriber for machining the mechanical parts, realizes the operation of scribing oblique lines and straight lines on the mechanical parts, achieves the aim of scribing circles or arcs on the mechanical parts, ensures the accuracy of machining and scribing the mechanical parts, is convenient and fast to operate, simplifies the scribing operation flow by integrated design, has strong practicability, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a scriber for machining mechanical parts comprises a semicircular plate and a scribing unit;

semicircular plate: the center of a circle where the locking bolt is positioned is rotationally connected with a rotating plate through a rotating shaft, a screw hole arranged in the middle of the rear surface of the rotating plate is internally and threadedly connected with a locking bolt, the inner end head of the locking bolt is rotationally connected with an arc-shaped limiting plate through a bearing, the arc-shaped limiting plate is matched with the outer cambered surface of a semicircular plate, the upper end of the arc-shaped limiting plate is matched and installed with the bottom surface of the rotating plate, and the rear end of the locking bolt is provided with a knob;

and a scribing unit: including sliding block, screw thread slotted hole and pen container, sliding block sliding connection is equipped with the screw thread slotted hole in the upper surface middle part of sliding block in the forked tail spout that sets up between the wall about the rotor plate, and the downthehole sliding connection that sets up of sliding of screw thread slotted hole diapire middle part has the pen container, realizes drawing slash and sharp operation on mechanical parts, has reached the purpose of drawing circle or pitch arc on mechanical parts, ensures the precision when mechanical parts processing is drawn line, simple operation, and the drawing operation flow has been simplified in the design of integration, and the practicality is strong.

Further, the scribing unit further comprises a first spring, the first spring is arranged between the bottom wall surface of the threaded slotted hole and the top wall surface of the pen container, and the first spring is movably sleeved outside the pen container to play a role of elastic support.

Further, the scribing unit further comprises an elastic sheet, wherein the elastic sheet is uniformly arranged on the intrados of the mounting hole arranged in the middle of the lower end surface of the pen container, and the scribing pen point is fixedly mounted.

Furthermore, magnets are arranged in the installation grooves uniformly formed in the lower surface of the semicircular plate, so that the semicircular plate is convenient for workers to use.

Further, the through sliding openings arranged at the lower ends of the inner cambered surfaces of the threaded slotted holes are all connected with limiting sliding heads in a sliding manner, springs II are arranged between the outer step surfaces of the limiting sliding heads and the inner wall surfaces of the through sliding openings where the limiting sliding heads are located, and the springs II are respectively sleeved with the outer movable part of one limiting sliding head to ensure the accuracy when a circle or an arc is drawn on a mechanical part.

Further, the thread cylinder is connected with the thread groove hole through the internal thread, and the inner side ends of the limiting sliding heads are matched with the lower end of the thread cylinder, so that the operation of workers is facilitated.

Further, the middle part of the lower surface of the sliding block is provided with a marking pen point protection cylinder, and the lower end of the pen container is positioned in the inner cavity of the marking pen point protection cylinder, so that the marking pen point can be safely protected.

Compared with the prior art, the utility model has the beneficial effects that: the scriber for machining the mechanical parts has the following advantages:

1. when needs draw slash or sharp, the staff rotates the pivoted panel to required marking off angle, then screws up locking bolt, arc limiting plate and pivoted panel's bottom surface sliding contact, until arc limiting plate and semicircle board laminating, with this locking pivoted panel, can lock the pivoted panel at different angles, then press the pen container, the pen container overcomes the elasticity of spring one and stretches out marking off nib protection section of thick bamboo, then drag sliding block and appurtenance through the pen container and remove along the forked tail spout that sets up between pivoted panel left and right sides wall, in order to realize drawing slash and sharp operation on mechanical parts.

2. When the circles or arc lines with different radiuses need to be drawn, the locking bolts are unscrewed, the arc limiting plates release the rotating plates, then a worker moves the sliding blocks to the proper positions of the rotating plates so as to determine the radius of the drawn circles or arcs, then the threaded cylinders are rotated, the threaded cylinders move downwards along the threaded slots, the limiting sliding heads are jacked to move outwards along the penetrating sliding openings where the limiting sliding heads are located in the downwards moving process of the threaded cylinders, the limiting sliding heads overcome the elasticity of the springs II, so that the inner wall surfaces of the dovetail sliding grooves arranged between the limiting sliding heads and the left wall surfaces and the right wall surfaces of the rotating plates are in contact, the sliding blocks and the accessory mechanisms of the limiting sliding heads are locked, the precision of drawing circles or arcs on the mechanical parts is ensured, at the moment, the worker presses the pen container again, the elasticity of the springs I is overcome, the pen container extends out of the pen point protection cylinder, then the pen container rotates with the circle center of the circle where the semicircular plates are located through the pen container rotating plates, the aim of drawing circles or arcs on the mechanical parts is achieved, the operation is convenient, the integrated design is simplified, and the operation flow is achieved, and the practicability is strong in the machining process of the mechanical parts.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a scribing unit according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 4 is an enlarged schematic view of the structure of the present utility model at B;

fig. 5 is a schematic cross-sectional view of the arc-shaped limiting plate of the present utility model.

In the figure: the pen comprises a semicircular plate 1, a rotating plate 2, a scribing unit 3, a sliding block 31, a threaded slotted hole 32, a pen container 33, a first spring 35, a spring plate 4, a magnet 5, a limiting sliding head 6, a second spring 7, a threaded cylinder 8, a scribing pen point protection cylinder, a locking bolt 9 and an arc limiting plate 10.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present embodiment provides a technical solution: a scriber for machining mechanical parts comprises a semicircular plate 1 and a scribing unit 3;

semicircular plate 1: the semicircular plate 1 provides an installation supporting place for an accessory mechanism unit of the semicircular plate, a rotating plate 2 is rotationally connected to the center of a circle where the semicircular plate is located through a rotating shaft, a locking bolt 9 is connected to the inner thread of a screw hole arranged in the middle of the rear surface of the rotating plate 2, an arc-shaped limiting plate 10 is rotationally connected to the inner end of the locking bolt 9 through a bearing, the arc-shaped limiting plate 10 is matched with the outer cambered surface of the semicircular plate 1, the upper end of the arc-shaped limiting plate 10 is matched with the bottom surface of the rotating plate 2, a knob is arranged at the rear end of the locking bolt 9, a worker rotates the rotating plate 2 to a required scribing angle, then the locking bolt 9 is screwed, and the arc-shaped limiting plate 10 is in sliding contact with the bottom surface of the rotating plate 2 until the arc-shaped limiting plate 10 is attached to the semicircular plate 1, so that the rotating plate 2 can be locked at different angles;

scribing unit 3: the pen holder comprises a sliding block 31, a threaded slot hole 32 and a pen holder 33, wherein the sliding block 31 is in sliding connection with the pen holder 33 in a dovetail chute arranged between the left wall surface and the right wall surface of a rotating plate 2, the threaded slot hole 32 is arranged in the middle of the upper surface of the sliding block 31, the pen holder 33 is in sliding connection with the pen holder 33 in a sliding hole arranged in the middle of the bottom wall surface of the threaded slot hole 32, the first spring 34 is arranged between the bottom wall surface of the threaded slot hole 32 and the top wall surface of the pen holder 33, the first spring 34 is movably sleeved outside the pen holder 33, the pen holder 3 further comprises a spring piece 35, the spring piece 35 is uniformly arranged in an inner arc surface of a mounting hole arranged in the middle of the lower end surface of the pen holder 33, when oblique lines or straight lines are required to be drawn, a worker rotates the rotating plate 2 to a required scribing angle, then presses the pen holder 33, overcomes the elasticity of the first spring 34 and stretches out of a scribing head protection cylinder 8, then the pen holder 33 moves along the chute arranged between the left wall surface and the right wall surface of the rotating plate 2 through the pen holder 33, thereby realizing the operations of scribing and dragging the oblique lines on mechanical parts, after the scribing is completed, the pen holder 33 is loosened, the pen holder is in the rebound of the spring 34, the reset piece is rebounded under the spring 34, the action of the elastic line is reset, the elastic force is not required, the elastic force of the pen holder is required to be scratched, the pen holder is required to be scratched, and the pen holder is required to be rotated by the worker's round line 2, and the arc line is rotated by the mechanical protection cylinder 2, and the pen holder is then has a proper circle line is rotated, and the arc line is rotated by the arc line is moved by the mechanical protection plate, and the round line is then and the round line is moved by the round line 2 or has the round line and has the round tool 2.

Wherein: magnets 4 are arranged in the mounting grooves uniformly formed in the lower surface of the semicircular plate 1, and related workers adsorb the semicircular plate 1 onto the surface of a mechanical part to be processed through the magnetic force of the magnets 4, so that the semicircular plate is convenient for the workers to use.

Wherein: the limiting sliding head 5 is slidably connected in the through sliding opening arranged at the lower end of the inner cambered surface of the threaded slot hole 32, the second spring 6 is arranged between the outer step surface of the limiting sliding head 5 and the inner wall surface of the through sliding opening where the limiting sliding head 5 is located, the second spring 6 is movably sleeved outside one limiting sliding head 5, the limiting sliding head 5 overcomes the elasticity of the second spring 6 and moves outwards along the through sliding opening where the limiting sliding head 5 is located, so that the inner wall surface of the dovetail sliding groove arranged between the limiting sliding head 5 and the left and right wall surfaces of the rotating plate 2 is abutted, the sliding block 31 and an accessory mechanism thereof are locked, the precision in rounding or circular arc scribing on mechanical parts is ensured, and similarly, when the sliding block 31 needs to be released, the limiting sliding head 5 is reset under the action of resilience force of the second spring 6, and the second spring 6 plays a role in elastic support.

Wherein: the thread cylinder 7 is connected with the internal thread of the thread groove hole 32, the inner end of the limit sliding head 5 is matched with the lower end of the thread cylinder 7, the thread cylinder 7 is rotated, the thread cylinder 7 moves downwards along the thread groove hole 32, and the limit sliding head 5 can be jacked in the process of moving downwards the thread cylinder 7, so that the operation of staff is facilitated.

Wherein: the lower surface middle part of sliding block 31 is equipped with marking off nib protection section of thick bamboo 8, and the lower extreme of pen container 33 is located marking off nib protection section of thick bamboo 8's inner chamber, and marking off nib protection section of thick bamboo 8 then can play safety protection's effect to the marking off nib.

The working principle of the scriber for machining the mechanical parts provided by the utility model is as follows: firstly, a worker inserts a marking pen point into a pen container 33, then clamps the marking pen by utilizing the resilience force of a spring piece 35, thereby completing the installation of the marking pen point, then the related worker adsorbs a semicircular plate 1 to the surface of a mechanical part to be processed through the magnetic force of a magnet 4, when a diagonal line or a straight line needs to be drawn, the worker rotates a rotating plate 2 to a required marking angle, then screws up a locking bolt 9, an arc limiting plate 10 is in sliding contact with the bottom surface of the rotating plate 2 until the arc limiting plate 10 is attached to the semicircular plate 1, thereby locking the rotating plate 2, locking the rotating plate 2 at different angles, then pressing the pen container 33, overcoming the elasticity force of a first spring 34, and extending out of a marking pen point protection cylinder 8, then dragging a sliding block 31 and an accessory mechanism thereof through the pen container 33 along a dovetail chute arranged between the left wall surface and the right wall surface of the rotating plate 2, thereby realizing the operation of diagonal line and the straight line on the mechanical part, after the worker loosens the pen container 33, the first spring 34 is reset, the marking protection cylinder 8 can realize the sliding contact with the pen point under the action of the first spring 34 until the arc limiting plate 10 is attached to the semicircular plate 1, the groove hole 5 is closed when the rotating plate 7 is not required to the circular groove hole 7, the proper radius of the rotating plate 5 is required to be moved, the thread 5 is moved along the arc limiting plate 5, the thread is released, the thread is slid along the thread 5 is screwed down position-limited groove 5, and the thread is then the thread is released, and the thread is slid along the thread limited 5 is moved along the proper radius of the thread groove 5, therefore, the limit sliding head 5 is abutted against the inner wall surface of the dovetail chute arranged between the left wall surface and the right wall surface of the rotating plate 2, the sliding block 31 and an accessory mechanism thereof are locked, so that the accuracy when a circle or an arc is drawn on a mechanical part is ensured, at the moment, a worker presses the pen container 33 again, the pen container 33 overcomes the elastic force of the first spring 34 and stretches out of the marking pen point protection cylinder 8, then the rotating plate 2 is dragged by the pen container 33 to rotate with the circle center of the circle where the semicircular plate 1 is positioned, the aim of drawing the circle or the arc on the mechanical part is achieved, the operation flow of marking is simplified by the integrated design, the practicability is high, and in the same way, when the sliding block 31 needs to be released, the thread cylinder 7 only needs to be rotated anticlockwise, and after the thread cylinder 7 is separated from the limit sliding head 5, the limit sliding head 5 can reset under the action of resilience force of the second spring 6.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a scriber for machine part processing which characterized in that: comprises a semicircular plate (1) and a scribing unit (3);

semicircle plate (1): the center of a circle where the arc limiting plate is positioned is rotationally connected with a rotating plate (2) through a rotating shaft, a screw hole arranged in the middle of the rear surface of the rotating plate (2) is internally and threadedly connected with a locking bolt (9), the inner end head of the locking bolt (9) is rotationally connected with an arc limiting plate (10) through a bearing, the arc limiting plate (10) is matched with the outer cambered surface of the semicircular plate (1), the upper end of the arc limiting plate (10) is matched with the bottom surface of the rotating plate (2), and the rear end of the locking bolt (9) is provided with a knob;

scribing unit (3): including sliding block (31), screw thread slotted hole (32) and pen container (33), sliding block (31) sliding connection is in the forked tail spout that sets up between the wall about rotor plate (2), and the upper surface middle part of sliding block (31) is equipped with screw thread slotted hole (32), and the downthehole sliding connection of sliding that screw thread slotted hole (32) diapire face middle part set up has pen container (33).

2. A scriber for machining mechanical parts according to claim 1, wherein: the scribing unit (3) further comprises a first spring (34), the first spring (34) is arranged between the bottom wall surface of the threaded slot hole (32) and the top wall surface of the pen container (33), and the first spring (34) is movably sleeved outside the pen container (33).

3. A scriber for machining mechanical parts according to claim 1, wherein: the scribing unit (3) further comprises an elastic sheet (35), and the elastic sheet (35) is uniformly arranged on the inner cambered surface of the mounting hole arranged in the middle of the lower end surface of the pen container (33).

4. A scriber for machining mechanical parts according to claim 1, wherein: magnets (4) are arranged in the installation grooves uniformly formed in the lower surface of the semicircular plate (1).

5. A scriber for machining mechanical parts according to claim 1, wherein: the inner end of the inner cambered surface of the threaded slotted hole (32) is provided with a through sliding opening, the through sliding opening is internally and slidably connected with a limiting sliding head (5), a spring II (6) is arranged between the outer step surface of the limiting sliding head (5) and the inner wall surface of the through sliding opening where the limiting sliding head (5) is located, and the spring II (6) is respectively sleeved with the outer movable sleeve of the limiting sliding head (5).

6. The scriber for machining mechanical parts according to claim 5, wherein: the thread groove hole (32) is internally connected with a thread cylinder (7) in a threaded manner, and the inner side ends of the limit sliding heads (5) are matched with the lower end of the thread cylinder (7).

7. A scriber for machining mechanical parts according to claim 1, wherein: the middle part of the lower surface of the sliding block (31) is provided with a marking pen point protection cylinder (8), and the lower end of the pen container (33) is positioned in the inner cavity of the marking pen point protection cylinder (8).

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