CN207807701U - A kind of lineation device on the basis of outer profile - Google Patents

Abstract

The utility model discloses a scribing device with the outer contour as the reference. The scribing device includes a reference disk, and a through hole perpendicular to the disk surface is provided on the disk surface of the reference disk, and an adjusting rod is installed in the through hole. A penetrating needle hole is provided on the side of the head of the adjusting rod, a needle is inserted into the hole, the needle is fixed by a fixing bolt, and at least one vertical groove is opened below the through hole, so that There is a roller in the vertical groove; when marking the line, adjust the adjustment lever so that the distance between the marking needle and the reference plate meets the size requirements of the drawing, hold the reference plate, use the principle of profiling, and use the outer contour as the reference to mark the blank profile workpiece Wire. The scribing device of the utility model has the advantages of simple structure, convenient operation, high scribing precision, fast scribing speed, wide application range, no installation hole processing error for drilling and scribing easy-to-deform profiles, and is conducive to saving processing materials .

Description

A scribing device based on the outer contour

technical field

The utility model belongs to the technical field of mechanical processing, and relates to a marking device and a marking method based on an outer contour.

Background technique

At present, when fitters directly scribe and drill mounting holes on rough materials such as long angle steel, H-shaped steel, and light channel steel, due to the slightly poor rigidity of these profiles, they are easily deformed due to the influence of unfavorable factors in production and transportation, resulting in the straightness of the profiles. There will always be errors, and the straightness error will bring trouble to the selection of the marking reference, because the profile has no processing surface at this time, and the production generally uses the line connecting the center points of the two ends of the profile as the marking reference, and at this time due to the straight line The error of the degree will make the position of the hole to be processed greatly deviate from the reference, making the position of the processed hole too close or too far from the edge of the outer contour, which violates the design requirements of the drawing, and the installation is difficult or impossible to install. In order not to affect the installation, it is necessary to select undeformed profiles for drilling processing, cut off or discard deformed materials, resulting in waste of materials.

Contents of the invention

Aiming at the deficiencies of the prior art, the utility model provides a scribing tool with simple structure, convenient operation, using the profiling processing principle, which can quickly and effectively scribing lines based on the outer contour, and a method of scribing lines on deformable profiles.

The technical scheme of the utility model is as follows:

A scribing device based on the outer contour, comprising a reference disc, a through hole perpendicular to the disc surface is provided on the disc surface of the reference disc, an adjusting rod is installed in the through hole, and an adjusting rod is installed on the side of the head of the adjusting rod. There is a penetrating needle hole, a needle is inserted into the needle hole, and the needle is fixed by a fixing bolt, and at least one vertical groove is opened on the reference plate, and a vertical groove is installed in the vertical groove. scroll wheel. A screw hole perpendicular to and connected to the through hole is also provided on the reference plate, an adjustment bolt is installed in the screw hole, and the adjustment rod is fixed by the adjustment bolt.

As a preference, both the adjustment rod and the reference plate are provided with a scale; the scale on the adjustment rod is zero scale at the position of the needle center; the reference plate is provided with the same two scales with the through hole of the adjustment rod as the symmetrical center , the scale takes the center position of the adjustment rod as the zero scale.

Preferably, the roller is mounted on a roller shaft, and the roller shaft is mounted in a vertical groove.

Further, there are two vertical grooves on the reference plate, which are symmetrically distributed around the center of the through hole on the reference plate, and the two sides of the vertical groove are equipped with clamping plates of the same shape, and the clamping plates are clamped on the roller shaft , a fixing nut is screwed on the roller shaft outside the clamping plate. The clamping plate plays the role of determining the position of the adjusting roller and allowing the two rollers to remain level. Two size observation holes are symmetrically arranged on the clamp plate, and the centers of the size observation holes are located on the transverse axis of the clamp plate, and the transverse axis of the clamp plate is the reference line.

Preferably, there are three vertical grooves on the reference plate, one of which is located below the through hole of the adjusting rod, and the other two are symmetrically distributed on both sides of the through hole of the adjusting rod.

As preferably, the shape of the reference disk is cylindrical or square, which is convenient for hands to hold; the reference disk is provided with a through hole and a disk surface on the same side as the stylus, as the reference surface, the smoothness, flatness, and the distance between the through hole and the reference surface. The verticality of the datum plane must comply with the machining accuracy grade standard of the measuring tool; the material of the datum disc is carbon tool steel, and the quenching and tempering treatment is carried out after the size of the datum disc is processed to improve the surface quality and strength.

Preferably, the shape of the adjusting rod is cylindrical or square, and the material is carbon tool steel. The adjusting rod can freely stretch out the size of the disk surface on the reference disk according to the marking requirements of the drawings, and is fixed by adjusting bolts.

As a preference, the diameter of the scribing needle shaft is 4mm, and a tungsten-cobalt alloy cutter head is welded on the needle tip to increase the durability of the scribing needle.

As a preference, the adjusting bolts, fixing bolts, rollers, and clamping plates are all made of stainless steel, and for the convenience of installation, 2-3 buckles on the heads of the adjusting bolts should be ground.

The utility model has the advantages of:

1. The scribing device of the utility model is capable of scribing blank profile workpieces based on the outer contour, and is also suitable for scribing workpieces with processed surfaces.

2. The scribing device of the utility model has a roller structure, so that the scribing device is supported, and the hand will not shake for a long time, ensuring the accuracy of the scribing, and the scribing is fast, which improves the work efficiency.

3. The marking device of the utility model is equipped with scales on the adjusting rod and the reference plate, which is convenient for adjusting the position of the marking needle and the roller, and is easy to operate.

4. The scribing needle tip of the scribing device of the utility model is welded with tungsten-cobalt cutter head, and then ground, which has good durability.

The scribing method of the utility model uses the principle of profiling processing, and uses the outer contour as a reference to scribble the easily deformable profiles. After the installation holes are processed, the profiles are straightened before installation, and then installation will not cause installation difficulties. and waste of materials.

To sum up, the measuring device of the present invention is simple in structure, easy to operate, high in scribing accuracy, fast in speed, wide in scope of application, and will not produce installation hole processing errors for drilling and scribing of easily deformable profiles, which is conducive to saving processing materials .

Description of drawings

Fig. 1 is the structural diagram of the utility model embodiment 1;

Fig. 2 is a view from direction A in Fig. 1;

Fig. 3 is the schematic diagram of the utility model embodiment 2;

In the figure, 1. Reference disc, 2. Adjusting rod, 3. Adjusting bolt, 4. Marking needle, 5. Fixing bolt, 6. Vertical groove, 7. Roller, 8. Clamp plate, 9. Roller shaft, 10. Scale Observation hole.

Detailed ways:

Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail.

Embodiment 1, refer to Fig. 1 and Fig. 2, a kind of scribing device based on the outer contour, including a reference disk 1, the disk surface of the reference disk 1 is provided with a through hole perpendicular to the disk surface, in the through hole An adjusting rod 2 is installed, and a penetrating needle hole is arranged on the side of the head of the adjusting rod 2 , and a needle 4 is inserted in the needle hole, and the needle 4 is fixed by a fixing bolt 5 . The reference plate 1 is also provided with a screw hole perpendicular to and connected with the through hole, an adjusting bolt 3 is installed in the screw hole, and the adjusting rod 2 is fixed by the adjusting bolt 3 . The roller 7 is installed on the roller shaft 9, and the roller shaft 9 is installed in the vertical groove 6.

Both the adjusting rod 2 and the reference plate 1 are provided with a scale; the scale on the adjusting rod 2 is set at the position of the center of the needle as the zero scale; the reference plate 1 is provided with the same two scales with the through hole of the adjusting rod as the symmetrical center Ruler, the scale takes the center position of the adjustment rod as the zero scale.

Two vertical grooves 6 are symmetrically processed on the disk surface of the reference disk 1 with the through hole as the center, each vertical groove 6 is equipped with a roller 7, and clamping plates 8 with the same shape are installed on both sides of the vertical groove 6, so that The clamping plate 8 is stuck on the roller shaft 9, and the roller shaft 9 on the outside of the clamping plate 8 is screwed with a fixing nut 5. The clamping plate 8 plays the role of determining the adjustment roller position and allowing the two rollers to remain level.

Two size observation holes 10 are symmetrically arranged on the clamp plate 8 , and the center of the size observation holes 10 is located on the transverse axis of the clamp plate 8 , and the transverse axis of the clamp plate 8 is the reference line.

The shape of the reference plate 1 is cylindrical. The reference plate 1 is provided with a through hole and the plane on the same side as the stylus 4 is used as the reference surface. The smoothness, flatness and perpendicularity of the reference surface and the through hole and the reference surface meet the processing level of the measuring tool. Standard; the material of the reference plate 1 is carbon tool steel, and all dimensions of the reference plate 1 are processed after quenching and tempering treatment to improve the surface quality and strength.

Adjusting rod 2 shape is also cylindrical, and material is carbon tool steel, and adjusting rod can stretch out the size of the datum plane on the datum plate freely according to drawing requirement, and is fixed by adjusting bolt.

The diameter of the scribing needle shaft is 4mm, and the tip of the needle is welded with a tungsten-cobalt alloy cutter head.

Adjusting bolt 3, fixed bolt 5, roller 7, and clamping plate 8 are all made of stainless steel. For ease of installation, the threaded buckles on the head of adjusting bolt 3 are ground for 3 buckles.

When marking the line, loosen the fixing bolt 5 with a wrench to adjust the up and down distance of the marking needle 4, as short as possible, and keep the rigidity to meet the requirements for use. Then loosen the fixing nut on the roller shaft 9, adjust the position of the clamping plate 8 on the reference plate 1, read the value displayed on the scale observation hole 10 on the clamping plate 8, and calculate the distance between the lower edge of the roller and the adjustment rod, and adjust , so that the needle tip and the two rollers are on the same level, and then tighten the roller shaft nut; of course, it is not necessary to adjust the needle tip and the two rollers before each measurement, as long as it is fixed once after adjustment, check whether it is at the same level before each use On the horizontal plane, if it is on a plane, there is no need to adjust it, which saves adjustment time. Loosen the adjusting bolt 3 with a wrench, read the distance between the reference plane of the reference plate 1 and the tip of the stylus 4 from the adjustment rod, adjust the adjustment rod 2, and make the distance between the reference plane and the tip of the stylus meet the size requirements of the drawing, and lock the adjustment Bolt 3.

Applying the scribing device based on the outer contour of the utility model embodiment 1, the scribing method adopts the following steps:

(1) Calibrate the scale size on the adjustment rod 2 and the reference plate 1 to see if the size is complete, whether the positions of the adjustment rod 2, the marking needle 4, and the clamping plate 8 meet the requirements for use. If the position needs to be adjusted, continue to adjust according to the following steps (2) Use a wrench to loosen the fixing bolt 5, and adjust the vertical distance of the marking needle 4 to meet the requirements; (3) Loosen the fixing nut on the roller shaft 9, and adjust the position of the roller 7 so that the outer edge of the bottom of the roller 7 reaches The distance of the adjusting rod 2 is the same as the distance from the tip of the marking needle to the adjusting rod 2; (4) loosen the adjusting bolt 5 with a wrench, and adjust the adjusting rod 2, so that the distance between the reference plate 1 and the needle tip of the marking needle meets the size requirements of the drawing; (5 ) Tighten the nuts everywhere, hold the datum plate 1, and mark the blank profile workpiece based on the outer contour.

A scribing device based on the outer contour of the first embodiment is also suitable for scribing a machined surface workpiece.

Advantages of Embodiment 1: A marking device based on the outer contour of this embodiment has a simple structure, easy operation, high marking accuracy, and a wide range of applications. It can quickly and effectively draw lines on deformable profiles based on the outer contour Scribing: The scribing method of this embodiment uses the principle of profiling and takes the outer contour of the blank as a benchmark to scribble the easily deformable profiles. After the installation holes are processed, the profiles are straightened before installation, and then installed , so that the processing dimensional accuracy of the mounting hole is guaranteed, and there will be no difficulty in installation and waste of materials.

Embodiment 2, refer to Fig. 3, the scribing device based on the outer contour, including a reference disk 1, the disk surface of the reference disk 1 is provided with a through hole perpendicular to the disk surface, and an adjustment rod 2 is installed in the through hole , the side of the head of the adjusting rod 2 is provided with a penetrating needle hole, the needle 4 is inserted in the needle hole, the needle 4 is fixed by the fixing bolt 5, the vertical pin on the reference plate 1 There are three grooves 6, one of which is located below the through hole of the adjusting rod, and the other two are symmetrically distributed on both sides of the through hole of the adjusting rod. When marking the straight profile, only load onto the rollers and clamps in the vertical grooves on both sides, and the method of use is the same as in Embodiment 1. When scribing a circular profile, remove the rollers on the vertical grooves on both sides, and only install the rollers in the middle vertical groove, and use the outer contour of the workpiece to be scribed as the benchmark, which also uses the principle of profiling. The working steps of embodiment 2 are the same as those of embodiment 1 and will not be described again.

The advantage of embodiment 2 is that the scribing tool has a wide range of applications, not only for scribing of straight profiles but also for scribing of circular profiles.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions of the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (9)

1. a kind of lineation device on the basis of outer profile, it is characterised in that：Including reference disk, set in the disk of the reference disk Have the through-hole vertical with the disk, adjusting rod be installed in the through-hole, set on the side of the adjusting rod head there are one perforation Scriber hole, be inserted with scriber in the scriber hole, the scriber is fixed bolt and fixes, and is additionally provided at least on the reference disk One vertical slot, there are one idler wheels for dress in the vertical slot.

2. lineation device according to claim 1, it is characterised in that：Be additionally provided on the reference disk one it is vertical with through-hole And the screw hole being connected to, adjustment bolt is installed in the screw hole, the adjusting rod is fixed by adjusting bolt.

3. lineation device according to claim 1, it is characterised in that：It is equipped with scale on the adjusting rod and reference disk Ruler；Adjusting rod high scale ruler is using scriber center position as zero graduation；Reference disk is equipped with using adjusting rod through-hole as symmetrical centre Identical two graduated scales, graduated scale is using adjusting rod center as zero graduation.

4. lineation device according to claim 1, it is characterised in that：The idler wheel is mounted on roller shaft, the idler wheel Axis is mounted in vertical slot.

5. lineation device according to claim 4, it is characterised in that：Vertical slot has two on the reference disk, with reference disk On through-hole centered on symmetrical distribution, the vertical slot both sides are equipped with the identical snap-gauge of shape, and the snap-gauge is stuck in roller shaft On, it is screwed with fixing nut on the roller shaft on the outside of the snap-gauge.

6. lineation device according to claim 5, it is characterised in that：Size is seen there are two being also symmetrical arranged on the snap-gauge Hole is examined, the center of the size peep hole is located on the transverse axis of snap-gauge, line on the basis of the transverse axis of snap-gauge.

7. lineation device according to claim 4, it is characterised in that：Vertical slot has three on the reference disk, wherein one Positioned at the lower section for adjusting rod through-hole, two other is symmetrically distributed in the both sides of through-hole on reference disk.

8. lineation device according to claim 1, it is characterised in that：The benchmark disk shape is cylindrical or rectangular；Institute It is cylindrical or rectangular to state and adjust rod-shape.

9. lineation device according to claim 1, it is characterised in that：The shank diameter 4mm of the scriber is welded above needle point There is W-Co kind alloy cutter head.