CN211135564U - A grating ruler for horizontal lathe - Google Patents

Abstract

The embodiment of the utility model discloses a grating ruler for a horizontal lathe, which comprises a base, two vertical plates and a fixing block are fixedly arranged on the top of the base, and threaded rods are arranged through the two vertical plates and the fixing blocks. Both sides of the threaded rod are threadedly connected with sliders, a body is arranged on the top of the base, a fixing seat is connected at the bottom of the body, and a rotating block is fixedly connected at the bottom of the fixing seat. The utility model observes whether the laser pointer has a red spot on the movable rod at the bottom of the horizontal plate away from the laser pointer. If there is, the bottom grating ruler body is kept horizontal. If not, the nuts on both sides of the threaded rod are loosened and the thread The rod makes the two sliders move to the side of the threaded rod at the same time. Under the action of the connecting rod and the first rotating shaft, the light beam emitted by the adjustment laser pointer has a red dot on the movable rod at the bottom of the horizontal plate away from the laser pointer. At this time, the laser If the pen and the round hole are on the same horizontal line, the grating ruler body remains horizontal.

Description

A grating ruler for horizontal lathe

technical field

The utility model relates to the technical field of grating rulers, and more particularly, the utility model relates to a grating ruler for horizontal lathes.

Background technique

The grating ruler, also known as the grating ruler displacement sensor (the grating ruler sensor), is a measurement feedback device that uses the optical principle of the grating. The grating ruler is often used in the closed-loop servo system of CNC machine tools, and can be used as linear displacement or angular displacement. Detection, the measurement output signal is digital pulse, which has the characteristics of large detection range, high detection accuracy and fast response speed. For example, it is often used in CNC machine tools to detect the coordinates of tools and workpieces to observe and track tool movement errors. , in order to play a role in compensating the motion error of the tool, the grating scale is divided into transmission grating and reflection grating according to the different manufacturing methods and optical principles;

The prior art has the following deficiencies: during the installation process of the existing grating ruler, the level of the grating ruler needs to be adjusted, and due to the influence of the machining tolerance of the parts and the production process, it is often impossible to adjust the parallelism very conveniently, and if it is not parallel enough, the grating will be affected. The measurement accuracy of the sensor is high, and there is also the risk of leakage, which is inconvenient to use and has poor practicability.

Utility model content

To this end, the embodiment of the present utility model provides a multi-functional console. By observing whether the laser pointer has a red dot on the movable rod at the bottom of the horizontal plate away from the laser pointer, if it exists, the bottom grating ruler body is kept horizontal. , Loosen the nuts on both sides of the threaded rod, rotate the threaded rod to make the two sliders move to the side of the threaded rod at the same time, under the action of the connecting rod and the first rotating shaft, adjust the beam emitted by the laser pointer to stay away from the laser at the bottom of the horizontal plate A red dot is generated on the movable rod of the pen. At this time, the laser pen and the circular hole are on the same horizontal line, and the grating ruler body is kept horizontal, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the embodiments of the present utility model provide the following technical solutions: a grating ruler for a horizontal lathe, comprising a base, the top of the base is fixedly provided with two vertical plates and a fixing block, the two vertical plates and the fixed A threaded rod is arranged through the inside of the block, a slider is threadedly connected on both sides of the threaded rod, a body is arranged on the top of the base, a fixing seat is connected at the bottom of the body, and a rotating block is fixedly connected at the bottom of the fixing seat. A first rotating shaft is connected between the rotating block and the fixed block, a horizontal plate is fixedly arranged at one end of the fixed seat, three movable rods are arranged at the bottom of the horizontal plate, and a third movable rod is connected between the three movable rods and the horizontal plate. Two rotating shafts, a laser pointer is fixed inside the movable rod on one side of the horizontal plate, a circular hole is fixed at one end of the movable rod in the middle of the horizontal board, and a connecting rod is connected between the fixed seat and the two sliders , nuts are provided on both sides of the two threaded rods.

In a preferred embodiment, the threaded rod and the two vertical plates are connected with bearings, and the threaded rod is rotatably connected to the two vertical plates through the two bearings.

In a preferred embodiment, the two nuts are respectively arranged on both sides of the two vertical plates, and rubber pads are provided at the joints between the two nuts and the vertical plates at corresponding positions.

In a preferred embodiment, a third rotating shaft is provided at the connection between the two connecting rods, the fixed seat and the slider at the corresponding position, and the two connecting rods are fixed to the slider at the corresponding position through the third rotating shaft. Swivel connection.

In a preferred embodiment, weighting blocks are fixedly arranged at the bottoms of the three movable rods, the laser pointer and the circular hole are arranged on the same horizontal line, and the beam diameter of the laser pen is arranged to match the diameter of the circular hole.

In a preferred embodiment, a movable plate is arranged in the middle of the body, and a grating ruler body is fixedly arranged at the bottom of the body.

In a preferred embodiment, suction cups are fixedly arranged on both sides of the bottom of the fixed seat.

In a preferred embodiment, the movable rod at the bottom of the horizontal plate away from the laser pointer is made of white plastic material.

Technical effects and advantages of the present utility model:

The utility model fixes the base on the lathe through two suction cups, which is convenient for fixing the body, and observes whether the laser pointer has a red spot on the movable rod at the bottom of the horizontal plate away from the laser pointer. Level, if it does not exist, loosen the nuts on both sides of the threaded rod and turn the threaded rod. Since the threaded rod is threadedly connected with the two sliders, when the threaded rod rotates, the two sliders move to the side of the threaded rod at the same time. When the grating ruler body is high on the left and low on the right, the beam emitted by the laser pointer has no red dots on the movable rod at the bottom of the horizontal plate away from the laser pointer. Rotating the threaded rod makes the two sliders move to the left at the same time. Under the action of the connecting rod, the left side of the fixed seat is slowly lowered by the connecting rod, and the right side is gradually raised. When the pen and the round hole are on the same horizontal line, the scale body is kept horizontal. When the scale body is low on the left and high on the right, the fixing seat can be further adjusted by rotating the threaded rod, so that the scale body can be kept horizontal. The hole and the movable rod at the bottom of the horizontal plate away from the laser pointer realize the horizontal adjustment of the grating ruler body, so that the measurement accuracy of the grating ruler is higher.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, other implementation drawings can also be obtained according to the extension of the drawings provided without creative efforts.

The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the conditions that the present invention can be implemented. The technical substantive significance, the modification of any structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope disclosed in the present utility model. The technical content must be within the scope of coverage.

FIG. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is an enlarged view of part A of FIG. 1 of the present invention.

FIG. 3 is an enlarged view of part B of FIG. 1 of the present invention.

FIG. 4 is an enlarged view of part C of FIG. 1 of the present invention.

FIG. 5 is a schematic diagram of the partial structural assembly of the threaded rod and two sliders of the present invention.

Reference signs are: 1, base; 2, slider; 3, connecting rod; 4, threaded rod; 5, third shaft; 6, bearing; 7, laser pointer; 8, movable plate; 9, fixed seat; 10 , grating ruler body; 11, body; 12, rotating block; 13, first shaft; 14, fixed block; 15, horizontal plate; 16, second shaft; 17, movable rod; 18, round hole; 19, weighting block ; 20, nut; 21, vertical plate; 22, rubber pad.

Detailed ways

The embodiments of the present invention will be described below by specific specific embodiments. Those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are of the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-5, the present invention provides a grating ruler for a horizontal lathe, comprising a base 1, and two vertical plates 21 and a fixing block 14 are fixedly arranged on the top of the base 1. The two vertical plates 21 and the inside of the fixing block 14 are provided with a threaded rod 4, the sliding block 2 is threadedly connected on both sides of the threaded rod 4, the top of the base 1 is provided with a body 11, and the bottom of the body 11 is connected with a fixed seat 9, the A rotating block 12 is fixedly connected to the bottom of the fixed base 9, and a first rotating shaft 13 is connected between the rotating block 12 and the fixed block 14. One end of the fixed base 9 is fixedly provided with a horizontal plate 15, and the bottom of the horizontal plate 15 is provided with three There are movable rods 17 , and a second rotating shaft 16 is connected between the three movable rods 17 and the horizontal plate 15 . A circular hole 18 is fixed at one end of the movable rod 17 in the middle, a connecting rod 3 is connected between the fixed seat 9 and the two sliders 2 , and nuts 20 are provided on both sides of the two threaded rods 4 .

Further, in the above technical solution, the threaded rod 4 and the two vertical plates 21 are connected with a bearing 6, and the threaded rod 4 is rotatably connected with the two vertical plates 21 through the two bearings 6 to realize the rotation of the threaded rod. 4.

Further, in the above technical solution, the two nuts 20 are respectively arranged on both sides of the two vertical plates 21, and rubber pads 22 are provided at the connection between the two nuts 20 and the vertical plates 21 at the corresponding positions, so that the two nuts 20 are connected together. Two nuts 20 are tightened to fix the threaded rod 4 with the two nuts 20. Under the action of the rubber pad 22, the fixing effect is better.

Further, in the above technical solution, the connection between the two connecting rods 3 and the fixed seat 9 and the slider 2 at the corresponding position is provided with a third rotating shaft 5, and the two connecting rods 3 are connected with the third rotating shaft 5 through the third rotating shaft 5. The slider 2 and the fixed seat 9 at the corresponding position are connected in rotation, and the connecting rod 3 can adjust the level of the fixed seat 9 .

Further, in the above technical solution, the bottoms of the three movable rods 17 are fixedly provided with weighting blocks 19, the laser pointer 7 and the circular hole 18 are arranged on the same horizontal line, and the beam diameter of the laser pointer 7 is the same as the circular hole. The diameter of 18 is matched, and the movable rod 17 is always kept vertical at home, and the grating ruler body 10 is judged by observing whether a red dot is generated on the movable rod 17 at the bottom of the horizontal plate 15 away from the laser pointer 7 by the beam emitted by the laser pointer 7. whether it is level.

Further, in the above technical solution, a movable plate 8 is arranged in the middle of the body 11 , and a grating ruler body 10 is fixedly arranged at the bottom of the body 11 , and the movable plate 8 is arranged to facilitate the movement of the grating ruler body 10 .

Further, in the above technical solution, suction cups are fixed on both sides of the bottom of the fixing base 9 , and the base 1 is fixed by the suction cups.

Further, in the above technical solution, the movable rod 17 at the bottom of the horizontal plate 15 away from the laser pointer 7 is made of white plastic material, which makes the image of the red dot clearer and facilitates observation.

The specific embodiment is as follows: in actual use, the base 1 is fixed on the lathe by two suction cups, which is convenient for fixing the body 11, and the laser pointer 7 is connected to observe whether the laser pointer 7 is at the bottom of the horizontal plate 15 away from the movable rod of the laser pointer 7. There is a red dot on 17. If it exists, the base 1 is kept horizontal, and the scale body 10 is kept horizontal. If it does not exist, loosen the nuts 20 on both sides of the threaded rod 4, and turn the threaded rod 4. Since the threaded rod 4 and the two The sliders 2 are threadedly connected. When the threaded rod 4 rotates, the two sliders 2 move to the side of the threaded rod 4 at the same time. When the scale body 10 is left high and right low, the light beam emitted by the laser pointer 7 is at the bottom of the horizontal plate 15 There is no red dot on the movable rod 17 away from the laser pointer 7. The threaded rod 4 is rotated to make the two sliders 2 move to the left at the same time. Under the action of the connecting rod 3 and the first rotating shaft 13, the connecting rod 3 drives the fixed seat at this time. 9. The left side is slowly lowered, and the right side is slowly raised. When the beam emitted by the laser pointer 7 has a red dot on the movable rod 17 at the bottom of the horizontal plate 15 away from the laser pointer 7, the laser pointer 7 and the circular hole 18 On the same horizontal line, the grating ruler body 10 is kept horizontal. When the grating ruler body 10 is low on the left and high on the right, the beam emitted by the laser pointer 7 has no red dots on the movable rod 17 at the bottom of the horizontal plate 15 away from the laser pointer 7. The rod 4 makes the two sliders 2 move to the right at the same time. Under the action of the connecting rod 3 and the first rotating shaft 13, the connecting rod 3 drives the left side of the fixed seat 9 to slowly rise and the right side to slowly descend. When the light beam emitted by the laser pointer 7 has a red dot on the movable rod 17 that is far away from the laser pointer 7 at the bottom of the horizontal plate 15, the laser pointer 7 and the circular hole 18 are on the same horizontal line at this time, the grating ruler body 10 is kept horizontal, and the laser The pen 7, the round hole 18 and the movable rod 17 at the bottom of the horizontal plate 15 away from the laser pen 7 realize the horizontal adjustment of the grating ruler body 10, so that the measurement accuracy of the grating ruler is higher. This embodiment specifically solves the problems existing in the prior art. During the installation process of the existing grating ruler, the level of the grating ruler needs to be adjusted. Due to the influence of the machining tolerance of the parts and the production process, it is often difficult to adjust the parallelism. If it is not parallel enough, it will affect the measurement accuracy of the grating sensor, and also There is a risk of missing numbers, it is inconvenient to use, and the practicability is poor.

The working principle of the utility model: referring to the accompanying drawings 1-5 of the description, observe whether the laser pointer 7 has a red dot on the movable rod 17 at the bottom of the horizontal plate 15 away from the laser pointer 7. If there is, the bottom grating ruler body 10 is kept horizontal. If it does not exist, loosen the nuts 20 on both sides of the threaded rod 4, rotate the threaded rod 4 to make the two sliders 2 move to the side of the threaded rod 4 at the same time, and adjust the laser pointer under the action of the connecting rod 3 and the first rotating shaft 13 7. A red dot is generated on the movable rod 17 at the bottom of the horizontal plate 15 away from the laser pointer 7. At this time, the laser pointer 7 and the circular hole 18 are on the same horizontal line, and the grating ruler body 10 remains horizontal.

Although the present utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present invention belong to the scope of protection of the present invention.

Claims (8)

1. A grating ruler for a horizontal lathe, comprising a base (1), characterized in that: the top of the base (1) is fixedly provided with two vertical plates (21) and a fixing block (14), two of the vertical A threaded rod (4) is provided through the inside of the plate (21) and the fixing block (14), and a slider (2) is threadedly connected to both sides of the threaded rod (4), and an organic body (11) is provided on the top of the base (1). ), the bottom of the body (11) is connected with a fixed seat (9), the bottom of the fixed seat (9) is fixedly connected with a rotating block (12), and the rotating block (12) is connected with the fixed block (14) There is a first rotating shaft (13), one end of the fixed seat (9) is fixedly provided with a horizontal plate (15), the bottom of the horizontal plate (15) is provided with three movable rods (17), the three movable rods (17) ) and the horizontal plate (15) are connected with a second rotating shaft (16), a laser pointer (7) is fixedly inserted inside the movable rod (17) on one side of the horizontal plate (15), and the horizontal plate (15) One end of the movable rod (17) in the middle of the (4) Nuts (20) are provided on both sides. 2. A grating ruler for a horizontal lathe according to claim 1, characterized in that: the threaded rod (4) and the two vertical plates (21) are connected with a bearing (6), and the threaded rod (4) is provided with a bearing (6). (4) The two vertical plates (21) are rotatably connected through two bearings (6). 3. A grating ruler for a horizontal lathe according to claim 1, characterized in that: the two nuts (20) are respectively arranged on both sides of the two vertical plates (21), and the two nuts (20) ) and the vertical plate (21) at the corresponding position are provided with rubber pads (22). 4. A grating ruler for a horizontal lathe according to claim 1, characterized in that: both the connecting rods (3) and the fixing seat (9) and the slider (2) at the corresponding position are connected at the joints There is a third rotating shaft (5), and the two connecting rods (3) are rotatably connected with the sliding block (2) at the corresponding position and the fixing seat (9) through the third rotating shaft (5). 5. The grating ruler for a horizontal lathe according to claim 1, wherein the bottom of the three movable rods (17) is fixedly provided with a weighting block (19), and the laser pointer (7) and the The circular holes (18) are arranged on the same horizontal line, and the beam diameter of the laser pointer (7) is arranged to match the diameter of the circular holes (18). 6. A grating ruler for a horizontal lathe according to claim 1, characterized in that: a movable plate (8) is arranged in the middle of the body (11), and a grating ruler body is fixedly arranged at the bottom of the body (11). (10). 7 . The grating ruler for a horizontal lathe according to claim 1 , wherein suction cups are fixed on both sides of the bottom of the fixing seat ( 9 ). 8 . 8 . The grating ruler for a horizontal lathe according to claim 1 , wherein the movable rod ( 17 ) at the bottom of the horizontal plate ( 15 ) away from the laser pointer ( 7 ) is made of white plastic material. 9 .

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