CN220555124U

CN220555124U - Scribing device for machining

Info

Publication number: CN220555124U
Application number: CN202321782198.4U
Authority: CN
Inventors: 徐发松
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-08
Filing date: 2023-07-08
Publication date: 2024-03-05
Anticipated expiration: 2033-07-08

Abstract

The utility model discloses a scribing device for machining, which relates to the field of machining and comprises a connecting rod, wherein a rack is arranged in the connecting rod, the rack extends outwards for a certain distance, a rotating bearing is arranged on the bottom surface of the extending end, a first rotating rod piece is arranged at one end of the rotating bearing, a scribing assembly is arranged in the bottom surface of one end of the first rotating rod piece, which is far away from the rotating bearing, a gear is arranged on the surface of the rack, a rotating rod is arranged at one end of the gear, a rotating wheel is arranged at one end of the rotating rod, and a scale mark is arranged on one side of the rack. According to the utility model, the rotary scribing rod can be rotated through the rotary bearing, and then the scribing assembly arranged on the rotary scribing rod is driven to rotate, so that a user can be better assisted in drawing a circle, and the rotating wheel can be rotated to observe the scale mark through the arrangement of the rack and the gear, so that the exposed length of the rack is adjusted, and then the length of the rotary scribing rod is adjusted, so that circles with different radiuses can be drawn conveniently, the scribing is convenient to use, and the efficiency is improved.

Description

Scribing device for machining

Technical Field

The utility model relates to the field of machining, in particular to a scribing device for machining.

Background

Machining refers to the process of changing the physical dimensions or properties of a workpiece by a mechanical device. Machining is classified into cutting and pressing according to the difference in machining modes, and heat treatment, forging, casting and welding are common in heat machining. In the field of machining, it is often necessary to scribe machining patterns or machining boundaries on blanks or semi-finished products according to process steps, and the lines most often scribed are straight lines and circles.

The scribing device disclosed by the utility model with the authorized bulletin number of CN210025264U can complete the scribing action by moving the whole scribing device, and only the circle center of a scribing line of the scribing device is concentric with the circle center of a curved surface side line of a workpiece to be scribed, so that the base is not required to be fixed at the circle center of the curved surface side line on the workpiece to be scribed, and the limitation of the scribing device on the space is reduced; and an additional device is not needed for supporting and fixing the supporting piece, so that the operation is simple and convenient, and the scribing efficiency is improved.

The device is through removing whole marking device to accomplish the marking action, when the radius is adjusted to the circular need drawing of processing part, can not confirm the radius when drawing the circle directly perceivedly nimble through the device, need to be with the help of external measuring tool pre-mark position, reduces work efficiency.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a scribing device for machining, which aims to solve the problem of better drawing different scribing shapes.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a marking device for machining, includes the connecting rod, the inside of connecting rod is equipped with the rack, and the rack outwards extends a section distance to the bottom surface of extension end is equipped with swivel bearing, swivel bearing's one end is equipped with first swivelling member, swivel bearing's one end bottom surface internally mounted is kept away from to first swivelling member has the marking assembly, the surface engagement of rack is connected with the gear, the one end of gear is equipped with the bull stick, the one end of bull stick is equipped with the runner, one side of rack is equipped with the scale mark.

Preferably, the scribing assembly comprises a scribing head, a buffering base and a buffering spring, wherein the buffering spring is arranged in the first rotary rod piece, one end of the buffering base is inserted into the first rotary rod piece and connected with the buffering spring, and the scribing head is arranged at the other end of the buffering base.

Preferably, the top surface of the first rotary rod piece is provided with a pressing groove.

Preferably, a fixing rod is arranged on the bottom surface of the connecting rod, and a fixing needle is arranged at one end of the fixing rod.

Preferably, an auxiliary rod is arranged at one end of the connecting rod.

Preferably, the auxiliary rod is connected with the second rotary rod by a rotary shaft, so that the second rotary rod can rotate by taking the rotary shaft as a circle center.

Preferably, the top surface of the auxiliary rod is connected with a protractor through a bolt.

Preferably, the bottom surface of the second rotating rod piece and the top surface of the auxiliary rod are both provided with fixing pieces.

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

1. according to the utility model, the rotary scribing rod can be rotated through the rotary bearing, and then the scribing assembly arranged on the rotary scribing rod is driven to rotate, so that a user can be better assisted in drawing a circle, and the rotating wheel can be rotated to observe the scale mark through the arrangement of the rack and the gear, so that the exposed length of the rack is adjusted, and then the length of the rotary scribing rod is adjusted, so that circles with different radiuses can be drawn conveniently, the scribing is convenient to use, and the efficiency is improved;

2. according to the utility model, the buffer spring and the buffer base are arranged, so that the scribing head can stretch and retract when the uneven surface is scribed, the friction force of the scribing head is reduced when the scribing head is used for scribing, and the service life of the scribing head is prolonged;

3. according to the utility model, the second rotary rod piece and the protractor are arranged, and different included angles can be displayed by rotating the second rotary rod piece and observing the protractor, so that a user is assisted to draw the included angles of different angles, and the practicability is further improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic elevational view of the present utility model;

FIG. 5 is a schematic view of a scribing assembly according to the present utility model;

FIG. 6 is a schematic view of the internal structure of the rack of the present utility model;

wherein: 1. a connecting rod; 2. a rack; 3. a rotating bearing; 4. a first rotary lever; 5. a scribing head; 6. a buffer base; 7. a rotating wheel; 8. a rotating rod; 9. a fixed rod; 10. fixing the needle; 11. an auxiliary lever; 12. a second rotary lever; 13. a pressing groove; 14. an angle gauge; 15. a fixing member; 16. a rotating shaft; 17. a buffer spring; 18. a gear; 19. graduation marks.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a scribing device for machining, comprising a connecting rod 1, wherein a fixing rod 9 is fixedly connected to the bottom surface of the connecting rod 1, a fixing needle 10 for anchoring a supporting point during circle drawing is arranged at one end of the fixing rod 9, an auxiliary rod 11 is fixedly connected to the connecting rod 1, a rotating shaft 16 is connected between the auxiliary rod 11 and a second rotating rod 12, such that the second rotating rod 12 rotates around the rotating shaft 16, a protractor 14 for assisting in angle drawing is connected to the top surface of the auxiliary rod 11 through a bolt, a fixing piece 15 is arranged on both the bottom surface of the second rotating rod 12 and the top surface of the auxiliary rod 11, and two ends of the rotating shaft 16 are inserted into the inner sides of the auxiliary rod 11 and the second rotating rod 12 and are connected with the fixing piece 15;

when the scribing work is carried out on the parts, the bottom surface of the fixed needle 10 is contacted with the parts, so that the device is in a balanced state, the second rotary rod piece 12 is rotated by utilizing the rotating shaft 16, the protractor 14 arranged on the top surface of the auxiliary rod 11 is observed, the second rotary rod piece 12 is rotated to a required angle, and the required angle can be drawn along the included angle between the auxiliary rod 11 and the second rotary rod piece 12 by using the scribing pen, so that the practicability is improved;

as shown in fig. 1-6, a rack 2 is arranged in the connecting rod 1, the rack 2 extends outwards for a certain distance, a rotary bearing 3 is connected between the bottom surface of the extending end and the top surface of the first rotary rod 4, so that the first rotary rod 4 rotates 360 degrees by taking the rotary bearing 3 as the center of a circle, a gear 18 is meshed and connected to the surface of the rack 2, a rotating rod 8 penetrates through the inside of the gear 18, the rotating rod 8 extends outwards for a certain distance, one extending end is connected with a rotating wheel 7, one extending end of the rotating rod 8 is connected to the connecting rod 1 in a rotating way through a bearing, a scale mark 19 which is convenient for a user to refer is arranged on one side of the rack 2, a scribing component is arranged on the bottom surface of the first rotary rod 4, and consists of a scribing head 5, a buffering base 6 and a buffering spring 17, wherein the scribing head 5 is arranged at one end of the buffering base 6, and the other end of the buffering base 6 is inserted into the first rotary rod 4 and connected with the buffering spring 17 arranged inside the first rotary rod 4;

the surface of the first rotary rod 4 is provided with a pressing groove 13 as shown in fig. 1;

when a circle is drawn on a part, the rotating wheel 7 is rotated, the gear 18 is driven to rotate by the rotating rod 8, the gear 18 is meshed with the rack 2, the exposed length of the rack 2 can be increased or reduced, the length of the first rotary rod 4 is increased or reduced, the rack 2 is connected with the first rotary rod 4 through the rotary bearing 3, when the exposed length of the rack 2 is increased or reduced, the second rotary rod 12 can also make corresponding adjustment, the radius of the drawn circle can be adjusted by observing the scale mark 19 arranged on one side of the rack 2, after the adjustment is finished, a user presses the pressing groove 13 by fingers, so that the scribing head 5 is fully contacted with the surface of the part, when an uneven surface is met, the pressure of the scribing head 5 is increased, the buffer base 6 presses the buffer spring 17, the exposed length of the scribing head 5 is shortened, the pressure is transmitted to the buffer spring 17, the abrasion of the scribing head 5 is reduced, and the service life of the scribing head 5 is prolonged;

the specific working principle is as follows: placing the device at a position to be marked, maintaining balance of the device through a fixed needle 10, rotating a rotating wheel 7, driving a gear 18 to rotate through a rotating rod 8 by the rotating wheel 7 when a part is subjected to circle drawing work, increasing or decreasing the exposed length of the rack 2 through the rotation of the rotating wheel 7 due to the meshing of the gear 18 and the rack 2, judging the exposed length of the rack 2 through an observation scale mark 19, adjusting the radius of a drawn circle, pressing a pressing groove 13 by a user after the adjustment is finished, rotating a second rotating rod piece 12 by taking the rotating bearing 3 as a circle center through a rotating bearing 3, finishing garden work, rotating the second rotating rod piece 12 to a required angle through a rotating shaft 16 when different angles are required to be drawn, observing an angle gauge 14 by using a marking pen along an included angle generated by an auxiliary rod 11 and the second rotating rod piece 12, and drawing the required angle;

the foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A scribing device for machining comprising a connecting rod (1), characterized in that: the inside of connecting rod (1) is equipped with rack (2), and rack (2) outwards extends a section distance to the bottom surface of extension end is equipped with swivel bearing (3), the one end of swivel bearing (3) is equipped with first swivel rod piece (4), the one end bottom surface internally mounted that swivel bearing (3) was kept away from to first swivel rod piece (4) has the marking off subassembly, the surface engagement of rack (2) is connected with gear (18), the one end of gear (18) is equipped with bull stick (8), the one end of bull stick (8) is equipped with runner (7), one side of rack (2) is equipped with scale mark (19).

2. A scribing device for machining according to claim 1, characterized in that: the scribing assembly comprises a scribing head (5), a buffering base (6) and a buffering spring (17), wherein the buffering spring (17) is arranged in the first rotary rod piece (4), one end of the buffering base (6) is inserted into the first rotary rod piece (4) and is connected with the buffering spring (17), and the scribing head (5) is arranged at the other end of the buffering base (6).

3. A scribing device for machining according to claim 1, characterized in that: the top surface of the first rotary rod piece (4) is provided with a pressing groove (13).

4. A scribing device for machining according to claim 1, characterized in that: the bottom surface of connecting rod (1) is equipped with dead lever (9), the one end of dead lever (9) is equipped with fixed needle (10).

5. A scribing device for machining according to claim 1, characterized in that: an auxiliary rod (11) is arranged at one end of the connecting rod (1).

6. A scribing device for machining according to claim 5, wherein: the auxiliary rod (11) is connected with the second rotary rod (12) through a rotating shaft (16), so that the second rotary rod (12) can rotate around the rotating shaft (16).

7. A scribing device for machining according to claim 5, wherein: the top surface of the auxiliary rod (11) is connected with a protractor (14) through a bolt.

8. A scribing device for machining according to claim 6, wherein: the bottom surface of the second rotary rod piece (12) and the top surface of the auxiliary rod (11) are both provided with fixing pieces (15).