Optical projection measuring instrument convenient to use

Abstract

The utility model discloses an optical projection inspection and measurement instrument convenient to use, which comprises a base provided with a rectangular groove and a workbench connected in the rectangular groove in a sliding mode, a stand column is arranged on the rear side face of the base, a projection box is connected to the stand column in a sliding mode, and a display screen is arranged on the side face, away from the stand column, of the projection box. An adjusting screw rod is rotatably connected in the base, the right end of the adjusting screw rod extends out of the right side face of the base, a rotating handle is connected to the end, extending out of the base, of the adjusting screw rod, the workbench is in threaded connection to the adjusting screw rod, a limiting assembly is arranged on the rotating handle, and a rotating plate is rotatably connected to the side face, facing the projection box, of the workbench; the lower side face of the rotating plate is connected with a gear motor located in the workbench. A lifting assembly is arranged in the stand column. A supporting assembly is arranged on the lower side face of the base. The utility model has the advantage of multidirectional adjustment of the position of the workpiece to be measured.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical projection measuring instruments, and relates to an optical projection measuring instrument that is easy to use. Background Art

[0002] Optical projection measuring instrument is a kind of measuring instrument which uses the principle of optical projection to project the contour or surface shape of the workpiece to be measured onto the observation screen for measurement or comparison. It can efficiently detect the contour and surface shape of various complex-shaped workpieces.

[0003] The Chinese utility model patent with the authorization announcement number CN219284230U discloses a high-precision optical projection detection equipment, including a base, a workbench is slidably connected to the side of the base, a column is fixed on the side, a projection box is installed on the column, and a limit sleeve is installed at the four corners of the bottom of the base, a screw is slidably connected inside the limit sleeve, a foot is fixed at the bottom end of the screw, a rotating sleeve is rotatably provided on the top of the limit sleeve, a gear ring is sleeved on the bottom of the rotating sleeve, and the gear ring is meshed with a driving gear on the side, the driving gear is fixed to the output end of the reduction motor, the reduction motor is fixed to the inside of the base through a motor frame, and a limit slot is symmetrically provided on the screw, and a limit rod sliding inside the limit slot is fixed on the inner wall of the limit sleeve, and the reduction motor is connected to a PLC controller and an inclination sensor. The technical solution detects the horizontality of the base through the inclination sensor, and then controls the reduction motor to adjust the left and right heights of the base through the PLC controller, so that the base is always kept horizontal; however, the workbench in the technical solution cannot move and rotate, which has limitations during detection. Utility Model Content

[0004] In view of the above problems, the utility model proposes an optical projection measuring instrument which is easy to use and well solves the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: an optical projection measuring instrument that is easy to use, comprising a base with a rectangular groove and a workbench slidably connected to the rectangular groove, a column is arranged on the rear side of the base, a projection box is slidably connected to the column, a display screen is arranged on the side of the projection box away from the column, an adjusting screw is rotatably connected in the base, the right end of the adjusting screw extends out of the right side of the base and the end of the adjusting screw extending out of the base is connected to a rotating handle, the workbench is threadedly connected to the adjusting screw, a limiting position assembly is arranged on the rotating handle, the workbench is rotatably connected to a rotating plate on one side of the projection box facing the workbench, and the lower side of the rotating plate is connected to a reduction motor located in the workbench;

[0006] A lifting assembly is arranged in the column, and the projection box is threadedly connected to the lifting assembly to achieve the up and down adjustment of the projection box;

[0007] A supporting assembly is arranged on the lower side of the base to support the optical projection measuring instrument.

[0008] Furthermore, the lifting assembly includes a screw rotatably connected to the column and a screw motor arranged on the upper side of the column, the output shaft of the screw motor is connected to the screw, the rear end of the projection box is threadedly connected to the screw, and the projection end of the projection box faces the workbench.

[0009] Furthermore, the support assembly includes four electric push rods arranged on the lower side of the base and a support plate arranged on the lower side of the electric push rods, and the four electric push rods are arranged in a rectangular array at the four corners of the lower side of the base.

[0010] Furthermore, the limiting assembly includes a limiting bolt threadedly connected to the rotating handle, and a rubber pad is provided at one end of the limiting bolt close to the base.

[0011] Furthermore, a roller is rotatably connected to the lower side of the workbench, a slide groove is provided on the lower side of the rectangular groove, and the roller is slidably connected in the slide groove.

[0012] Furthermore, a level is provided on the front side and the right side of the base.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model adjusts the horizontal position of the workpiece to be measured by adjusting the screw rod and the workbench, and adjusts the angle of the workpiece to be measured by rotating the motor and the rotating plate, which is convenient for workers to adjust the position of the workpiece to be measured and improves the detection effect of the optical projection measuring instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A front view of

[0017] Figure 3 For this utility model Figure 1 Right view of .

[0018] In the figure, 1-column; 2-projection box; 3-display screen; 4-workbench; 5-rotating plate; 6-base; 7-screw; 8-screw motor; 9-reduction motor; 10-adjusting screw; 11-turning handle; 12-limiting bolt; 13-electric push rod; 14-roller; 15-level; 16-support plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figure 1 , Figure 2 , Figure 3 As shown, an optical projection measuring instrument that is easy to use comprises a base 6 with a rectangular groove and a workbench 4 slidably connected in the rectangular groove, a column 1 is welded on the rear side of the base 6, a projection box 2 and a display screen 3 are slidably connected to the column 1, and the left and right sides of the projection box 2 are integrally formed with protrusions, a slide groove for the protrusion to be inserted is provided in the column 1, and the protrusion can slide up and down in the slide groove, an adjusting screw 10 is rotatably connected in the base 6, and the rotating connection method can be a bearing connection or other common rotating connection methods, the right end of the adjusting screw 10 extends out of the right side of the base 6 and the end of the adjusting screw 10 extending out of the base 6 is connected to a rotating handle 11 by bolts, the workbench 4 is threadedly connected to the adjusting screw 10, and a limiting position component is arranged on the rotating handle 11, the workbench 4 is rotatably connected to a rotating plate 5 facing one side of the projection box 2, and the lower side of the rotating plate 5 is connected to a reduction motor 9 located in the workbench 4, and the reduction motor 9 is fixed in the workbench 4 by bolts;

[0021] A lifting assembly is provided in the column 1, and the projection box 2 is threadedly connected to the lifting assembly to achieve the up and down adjustment of the projection box 2;

[0022] A supporting assembly is disposed on the lower side of the base 6 to support the base 6 .

[0023] When in use, the staff places the workpiece to be measured on the upper side of the rotating plate 5, then adjusts the height of the projection box 2 through the lifting assembly, and observes the projected image through the display screen 3. After that, the staff can slowly adjust the left and right horizontal positions of the workpiece to be measured by turning the handle 11. After the adjustment is completed, the rotating handle 11 can be limited by the limit assembly to prevent the workpiece to be measured from moving during projection. After that, the staff can control the reduction motor 9 to rotate the rotating plate 5 and then adjust the direction of the workpiece to be measured. The information of the workpiece to be measured can be projected onto the display screen 3, which is convenient for the staff to use.

[0024] In this embodiment, the lifting assembly includes a screw 7 rotatably connected to the column 1 and a screw motor 8 fixed to the upper side of the column 1 by bolts. The output shaft of the screw motor 8 is connected to the screw 7. The rear end of the projection box 2 is threadedly connected to the screw 7, and the projection end of the projection box 2 faces the workbench 4. When in use, the staff can control the output shaft of the screw motor 8 to rotate, thereby controlling the rotation of the screw 7, and then controlling the projection box 2 to move up and down on the screw 7, which is convenient for the staff to control the projection height of the projection box 2 and improve the practicality of the optical projection measuring instrument.

[0025] In this embodiment, the support assembly includes four electric push rods 13 fixed to the lower side of the base 6 by bolts and a support plate 16 welded to the lower side of the electric push rods 13. The upper side of the support plate 16 is connected to the output shaft of the electric push rod 13. The four electric push rods 13 are arranged in a rectangular array at the four corners of the lower side of the base 6. When in use, the staff can control the output shaft of the electric push rod 13 to push downward until the support plate 16 contacts the supporting surface to support the base 6 as a whole. The staff can control the front, back, left and right heights of the base 6 by controlling the output shaft of the electric push rod 13, thereby improving the stability of the optical projection measuring instrument.

[0026] In this embodiment, the limiting assembly includes a limiting bolt 12 threadedly connected to the rotating handle 11, and a rubber pad is glued to one end of the limiting bolt 12 close to the base 6. When the staff has adjusted the left and right horizontal positions of the workbench 4, the limiting bolt 12 can be rotated to make the rubber pad contact with the base 6, thereby preventing the rotating handle 11 from rotating during projection and the workbench 4 from moving, thereby improving the stability of the workbench 4 during projection.

[0027] In this embodiment, the lower side of the workbench 4 is rotatably connected to a roller 14, and a slide groove is provided on the lower side of the rectangular groove. The roller 14 is slidably connected in the slide groove. When in use, the workbench 4 can move left and right in the rectangular groove through the roller 14, which is convenient for the staff to control the left and right movement of the workbench 4 and improve the working efficiency of the optical projection measuring instrument.

[0028] In this embodiment, the front side and right side of the base 6 are fixed with a level 15 by bolts. When in use, the staff can adjust the output shaft of the electric push rod 13 by observing the level 15 to keep the base 6 always in a horizontal state, thereby improving the detection accuracy of the optical projection measuring instrument.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An optical projection measuring instrument that is easy to use, comprising a base with a rectangular groove and a workbench slidably connected in the rectangular groove, a column is arranged on the rear side of the base, a projection box is slidably connected to the column, and a display screen is arranged on the side of the projection box away from the column, characterized in that: An adjusting screw is rotatably connected in the base, a right end of the adjusting screw extends out of the right side of the base and an end of the adjusting screw extending out of the base is connected to a rotating handle, the workbench is threadedly connected to the adjusting screw, a limiting assembly is arranged on the rotating handle, a rotating plate is rotatably connected to a side of the workbench facing the projection box, a reduction motor located in the workbench is connected to the lower side of the rotating plate, the limiting assembly comprises a limiting bolt threadedly connected to the rotating handle, and a rubber pad is arranged at one end of the limiting bolt close to the base; A lifting assembly is arranged in the column, and the projection box is threadedly connected to the lifting assembly to achieve the up and down adjustment of the projection box; A supporting assembly is arranged on the lower side of the base to support the optical projection measuring instrument.

2. The optical projection measuring instrument according to claim 1 is characterized in that: The lifting assembly includes a lead screw rotatably connected to the column and a lead screw motor arranged on the upper side of the column. The output shaft of the lead screw motor is connected to the lead screw. The rear end of the projection box is threadedly connected to the lead screw, and the projection end of the projection box faces the workbench.

3. The optical projection measuring instrument according to claim 1 is characterized in that: The support assembly includes four electric push rods arranged on the lower side of the base and a support plate arranged on the lower side of the electric push rods. The four electric push rods are arranged in a rectangular array at the four corners of the lower side of the base.

4. The optical projection measuring instrument according to claim 1 is characterized in that: A roller is rotatably connected to the lower side of the workbench, a slide groove is provided on the lower side of the rectangular groove, and the roller is slidably connected in the slide groove.

5. The optical projection measuring instrument according to claim 1 is characterized in that: A level is provided on the front side and the right side of the base.

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