CN103512566B - Multi-line laser marking instrument with precision easy to ensure and low cost - Google Patents

Abstract

The invention relates to a multi-line laser marking instrument, which includes a body, the body includes: a vertical laser seat, the top of the vertical laser seat is provided with four concave laser mounting grooves distributed at 90° in sequence, the vertical laser A groove cover is provided on the top of the seat; a V-shaped groove or a trapezoidal groove is arranged on the groove cover opposite to each laser installation groove; the vertical laser of the marking instrument is arranged between the laser installation groove and the V-shaped groove or trapezoidal groove. between. The vertical laser seat and the slot cover are two parts, which can be molded at one time through the mold during production; that is: during production, four concave laser installation slots on the vertical laser seat are distributed at 90° in sequence, and have the same shape as the The groove covers of the V-shaped grooves or trapezoidal grooves arranged opposite to each laser installation groove can be molded at one time through the mold, so the production process is relatively simple and convenient, the accuracy is easy to guarantee, and the cost is low.

Description

Multi-line laser marking instrument with easy guarantee of accuracy and low cost

This application is a divisional application, the application number of the original application: 2011101096328, the name of the invention: multi-line laser marking instrument, and the application date: 2011-4-29.

technical field

The invention relates to a multi-line laser marking instrument.

Background technique

The body of the existing multi-line laser marking instrument includes: a vertical laser base and a horizontal laser set on one side of the middle of the vertical laser base in the height direction, and four groups of vertical lasers that can emit vertical lines are evenly distributed on the top of the vertical laser base , the angle between adjacent vertical lines is 90°, which provides convenience for actual observation, especially benchmark calibration in complex construction environments, laying of pipe network projects and engineering acceptance.

The deficiencies of the above-mentioned marking instrument in the prior art are:

1) During the production process of the line marking instrument, four sets of lasers capable of emitting vertical lines are respectively installed in the installation grooves (round hole grooves) of the vertical laser seat, and the angle between the installation grooves is 90° , because the vertical laser seat of this shape cannot be molded at one time, it needs to be finished by machine or manually to ensure the accuracy of each installation groove, so its processing is difficult, the cost is high, and the accuracy is difficult to guarantee, and the product quality is stable. Sex is lower.

2) The top of the main body of the line marking instrument is movably connected to a suspension bracket. Since the horizontal laser is set on the middle side of the vertical laser seat, the center of gravity of the line marking instrument is shifted. For this reason, in the prior art, a counterweight for balancing the horizontal laser is provided on the other side of the vertical laser mount, so that the vertical laser mount is in a vertical state. However, counterweights are generally made of metal, resulting in higher production costs, and the corresponding installation and debugging steps are more cumbersome.

3) The body of the multi-line laser marking instrument is set on the base through a rotary seat. There is a damping ring between the rotary seat and the base. The assembly is complicated, and once the damping ring fails, the fine-tuning function cannot be realized. , which means lower reliability.

Contents of the invention

The technical problem to be solved by the present invention is to provide a multi-line laser marking instrument with simple structure and low cost, whose main body has the characteristics of convenient installation and debugging, and easy guarantee of processing and installation accuracy.

In order to solve the above-mentioned technical problems, the present invention provides a multi-line laser line marking instrument including a main body, which includes: a vertical laser seat, and the top of the vertical laser seat is provided with four concave laser installations distributed at 90° in sequence. groove, the top of the vertical laser seat is provided with a groove cover; on the groove cover, a V-shaped groove or a trapezoidal groove is arranged opposite to each laser installation groove; the vertical laser of the marking instrument is located between the laser installation groove and the V Between grooves or trapezoidal grooves.

For the convenience of installation and debugging, the bottom surface of the laser installation groove is provided with a support bolt hole and vertical adjustment bolt holes located on both sides in front of the support bolt hole; The supporting bolts of the column body are provided with verticality adjustment bolts for adjusting the verticality of the laser output by the vertical laser in each verticality adjustment bolt hole.

In order to facilitate the adjustment of the laser output direction of each vertical laser, direction adjustment bolt holes are respectively provided on the side of the laser installation groove, and direction adjustment bolts for adjusting the output laser of the vertical laser are provided in each direction adjustment bolt hole.

The present invention further provides a multi-line laser marking instrument that can make the vertical laser seat in a vertical state without using a counterweight. A pair of pin shaft mounting seats at the top of the seat, a pin shaft located on the pair of pin shaft mounting seats, a balance shaft rotatably connected to the pin shaft, and a suspension bracket rotatably connected to the two ends of the balance shaft; The axis of the shaft is set parallel to the axis of the horizontal laser on the vertical laser seat; when assembling, the intersection point of the axis of the pin shaft and the axis of the balance shaft intersects the center of gravity of the line marking instrument, and then the line marking instrument Adjust the body center of gravity offset to zero.

Further, the axis of the pin shaft and the axis of the horizontal laser intersect with the vertical center line of the vertical laser seat at the same time, so as to ensure the balance on both sides of the pin shaft.

Further, bolts for fixing the pin shaft are provided on the top end surface of the pin shaft mounting seat on the vertical laser base. That is to say, during installation and debugging, it is only necessary to intersect the intersection point of the axis of the pin shaft and the axis of the balance shaft with the center of gravity of the line marking instrument, and immediately adjust the offset of the center of gravity of the line marking instrument to zero, and then use the bolt Fix the pin, and the installation is completed.

The present invention further provides a base fine-tuning mechanism of a multi-line laser marking instrument with low cost, convenient installation and debugging, and good reliability, which includes: a base, a fine-tuning plate and a rotary seat arranged up and down in sequence with the central axis; the fine-tuning plate There is a non-radial rectangular groove on the top; a circular groove is arranged in the center of the base, and a chute is arranged on the inner wall of the circular groove, and a fine-tuning bolt and a slider that are threadedly matched with each other are arranged in the chute , the outer end of the fine-tuning bolt extends out of the side wall of the circular groove, and the top end of the slider extends into the rectangular groove on the fine-tuning plate.

Further, in order to ensure that the fine-tuning disc is suitable for rotating around the central axis during fine-tuning, the circular groove is provided with a plurality of columns evenly distributed around the central axis; the fine-tuning disc is also provided with The fan ring holes are uniformly distributed and set corresponding to the columns one by one, and each column extends out of the corresponding fan ring holes.

Further, in order to ensure a moderate damping force between the fine-tuning disc and the base to ensure the stability of the fine-tuning, a fixed ring is provided between the fine-tuning disc and the rotary seat, and the fixed ring is provided with the column. The top end is secured by bolts to the mounting holes.

Compared with the prior art, the technical solution of the present invention has the following advantages: (1) In the body of the multi-line laser marking instrument of the present invention, the vertical laser seat and the slot cover are two parts, which can be passed through the mold once during production. Forming; that is, during production, the four concave laser installation grooves distributed at 90° intervals on the vertical laser seat and the groove cover with V-shaped grooves or trapezoidal grooves opposite to each laser installation groove can be passed The molds are molded at one time, so the production process is relatively simple and convenient, the precision is easy to guarantee, and the cost is low. When in use, it is only necessary to set the vertical laser of the line marking instrument between the laser installation groove and the V-shaped groove or trapezoidal groove, and to debug through five bolts at different positions, so as to ensure the use accuracy. (2) A pair of pin shaft mounts at the top of the vertical laser base are movably connected to the bracket composed of the balance shaft and the suspension bracket through a pin shaft. The intersection point of the axis of the pin shaft and the axis of the balance shaft intersects with the center of gravity of the marking instrument, so it is suitable for adjusting the offset of the center of gravity of the marking instrument to zero during assembly, and at the same time, there is no need to use a counterweight to adjust the body The offset of the center of gravity reduces the production cost and facilitates installation and debugging. (3) When adjusting the angle of the marking instrument, first complete the rough adjustment by directly rotating the slewing seat to the general orientation, and then adjust the position of the slider by rotating the fine-tuning bolt, and then drive the fine-tuning disc to rotate slightly and drive the rotation The seat rotates slightly until it reaches the corresponding angle and stops. Because during the coarse adjustment process, the bottom of the slewing seat only has dynamic friction with the fine adjustment plate; during the fine adjustment process, only the fine adjustment plate has dynamic friction with the edge of the base, and there is no problem of damping failure; therefore, the problem of once damping in the prior art is solved If the ring piece fails, the defect of the fine-tuning function cannot be realized, which ensures its reliability. Moreover, the base fine-tuning mechanism of the present invention has a simple structure, low cost, and has the characteristics of convenient installation and debugging.

Description of drawings

In order to make the content of the present invention more easily understood, the present invention will be described in further detail below in conjunction with the specific embodiments according to the accompanying drawings, wherein

Fig. 1 is the structural representation of the body of the multi-line laser marking instrument in the present invention;

Fig. 2 is a structural schematic diagram of the body of the multi-line laser marking instrument in the present invention;

Fig. 3 is a structural schematic diagram of the base fine-tuning mechanism of the multi-line laser marking instrument in the present invention.

Detailed ways

As shown in Fig. 1, the body of the multi-line laser marking instrument of this embodiment includes: a vertical laser seat 1, and the top of the vertical laser seat 1 is provided with four concave laser mounting grooves 1-1 distributed at 90° in turn, A groove cover 2 is fixed above the vertical laser seat 1; a V-shaped groove or a trapezoidal groove 2-1 is arranged opposite to each laser installation groove 1-1 on the groove cover 2; the vertical laser 3 of the marking instrument is arranged on the Between the laser installation groove 1-1 and the V-shaped groove or trapezoidal groove 2-1.

The bottom surface of the laser mounting groove 1-1 is provided with a support bolt hole 1-2, and verticality adjustment bolt holes 1-3 located on both sides in front of the support bolt hole 1-2; the support bolt hole 1-2 There are support bolts 3-1 for supporting the cylinder part of the vertical laser 3 inside, and each vertical degree adjustment bolt hole 1-3 is provided with a vertical degree for adjusting the vertical degree of the output laser of the vertical laser 3 . Line adjustment bolt.

Direction adjustment bolt holes 1-4 are respectively provided on the side of the laser installation groove 1-1, and direction adjustment bolts for adjusting the output laser of the vertical laser 3 are provided in each direction adjustment bolt hole 1-4.

As shown in Figure 2, the center of gravity adjustment mechanism of the multi-line laser marking instrument includes: a pair of pin shaft mounting seats 12 arranged at the top of the vertical laser seat 1 of the line marking instrument, a pin shaft arranged on the pair of pin shaft mounting seats 12, The balance shaft 14 that is rotatably connected to the pin shaft, and the suspension bracket 15 that is rotatably connected to the two ends of the balance shaft 14; the axis of the pin shaft is parallel to the axis of the horizontal laser 11-1 on the vertical laser stand 1 Setting; when assembling, only need to intersect the axis of the pin shaft and the axis of the balance shaft 14 with the body center of gravity line of the line marking instrument, the offset of the body center of gravity of the line marking instrument can be adjusted to zero.

The axis of the pin shaft and the axis of the horizontal laser 11 - 1 intersect the vertical centerline of the vertical laser mount 1 at the same time.

A bolt 12 - 1 for fixing the pin shaft is provided on the top surface of the pin shaft mounting seat 12 on the vertical laser base 1 . That is to say, during installation and debugging, it is only necessary to intersect the intersection point of the axis of the pin shaft and the axis of the balance shaft with the center of gravity of the line marking instrument, and immediately adjust the offset of the center of gravity of the line marking instrument to zero, and then use the bolt Fix the pin, and the installation is completed.

As shown in Fig. 3, the fine-tuning mechanism of the base of the multi-line laser marking instrument includes: a base 21, a fine-tuning disc 22 and a rotary seat 23 arranged up and down on the same central axis.

The fine-tuning plate 22 is provided with a non-radial rectangular groove 22-2; the center of the base 21 is provided with a circular groove 21-1, and the inner wall of the circular groove 21-1 is provided with a sliding groove 21-3 , the chute 21-3 is provided with a fine-tuning bolt 21-4 and a slide block 21-5 that are screwed together, and the outer end of the fine-tuning bolt 21-4 extends out of the side wall of the circular groove 21-1. The top end of the slider 21 - 5 extends into the rectangular slot 22 - 2 on the trimming plate 22 .

As the best implementation, the angle between the rectangular groove 22-2 and the meridian of the fine-tuning dial 22 is 10°-30°, so that the fine-tuning bolt 21-4 can control the rotation of the fine-tuning dial 22 through the slider 21-5.

The circular groove 21-1 is provided with three uprights 21-2 evenly distributed around the central axis; the fine-tuning plate 22 is also provided with three uprights 21-2 which are evenly distributed around the central axis and correspond to the uprights 21-2 one-to-one. A fan ring hole 22-1 is provided, and each column 21-2 extends out of a corresponding fan ring hole 22-1.

A fixed ring piece 24 is provided between the fine-tuning plate 22 and the rotary seat 23, and the fixed ring piece 24 is provided with a mounting hole 24-1 fixed to the top of the column 21-2 by bolts.

The center of the trimming plate 22 is provided with an annular protrusion 22-4, and a plurality of bolt mounting posts 22-3 are arranged inside the annular protrusion 22-4.

The center of the revolving seat 23 is provided with a circular assembly groove 23-1, and the center of the bottom of the circular assembly groove 23-1 is provided with a mounting hole 23-2. Extending out of the mounting hole 23-2, a limiting piece 25 with a diameter larger than the mounting hole 23-2 is provided in the circular mounting groove 23-1, and each bolt mounting column on the annular protrusion 22-4 The top surface of 22-3 is connected to the limiting plate 25 via bolts, thereby connecting the base 21, the fine-tuning disc 22 and the rotary seat 23 into one body. The swivel base 23 can rotate 360° relative to the fine-tuning dial 22 and the base 21, and the amount of rotation of the fine-tuning dial 22 relative to the base 21 is determined by the length and position of the rectangular slot 22-2.

Apparently, the above-mentioned embodiments are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And these obvious changes or modifications derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims (1)

1. a multi-line laser leveling instrument, comprising: body; This body comprises: vertical laser seat (1), the top of this vertical laser seat (1) is provided with the laser instrument mounting groove (1-1) of four concave shapes of alternate 90 ° of distributions successively, it is characterized in that: the top of this vertical laser seat (1) is provided with groove lid (2); Relatively with each laser instrument mounting groove (1-1) be provided with V-type groove or dovetail groove (2-1) this groove lid (2) is upper;

The vertical laser (3) of frame for line marking instrument is located between described laser instrument mounting groove (1-1) and described V-type groove or dovetail groove (2-1);

Described vertical laser seat (1) and groove lid (2) are respectively by mould one-shot forming;

This multi-line laser leveling instrument comprises base fine-adjustment mechanism, and this base fine-adjustment mechanism comprises: base (21), fine tuning dish (22) and revolving bed (23) that concentricity axle is setting up and down successively;

Fine tuning dish (22) is provided with the rectangular channel (22-2) that non-static fields is arranged; The central authorities of described base (21) are provided with circular trough (21-1), the madial wall of this circular trough (21-1) is provided with a chute (21-3), trimming bolt (21-4) and the slide block (21-5) of threaded engagement is each other provided with in this chute (21-3), the outboard end of trimming bolt (21-4) extends the sidewall of described circular trough (21-1), and the top of described slide block (21-5) extends in the rectangular channel (22-2) on described fine tuning dish (22);

The side of described laser instrument mounting groove (1-1) being respectively equipped with adjusting bolt hole, direction (1-4), in all directions adjusting bolt hole (1-4), being provided with the direction adjusting bolt for regulating described vertical laser (3) Output of laser;

This multi-line laser leveling instrument also comprises: body gravity center adjustment mechanism, and this body gravity center adjustment mechanism comprises: be located at a pair bearing pin mount pad (12) on vertical laser seat (1) top of frame for line marking instrument, be located at this to the bearing pin on bearing pin mount pad (12), the balancing shaft (14) be rotatably connected on this bearing pin, the suspension holdfast (15) that is rotationally connected with the two ends of this balancing shaft (14);

The axis being parallel of the horizontal laser (11-1) on the axis of described bearing pin and described vertical laser seat (1) is arranged;

The axis of described bearing pin is crossing with the intersection point of the axis of balancing shaft (14) and the body center of gravity line of frame for line marking instrument.