Workpiece height difference non-contact measuring device

Abstract

The utility model discloses a work piece height difference degree non -contact type measuring device, including frame body, fixedly connected in the left side of frame body top scanning measurement subassembly, set up in the right side of frame body top work piece body, the positive fixedly connected with insulating light source mechanism of frame body, insulating light source mechanism includes the board that fits, the top fixedly connected with small -size motor in the left side of board positive, the output fixedly connected with worm of small -size motor, the right side of frame body top has the rotation lever through the bearing longitudinal movable connection, the positive fixedly connected with worm wheel of rotation lever, the bottom of worm wheel and worm mesh. The utility model discloses non -contact type measuring device has changed the phenomenon of surrounding ambient light and scanning wave repulsion each other when traditional measurement scanning, has adopted the phenomenon of not appearing repulsion each other with the light shield cover cover work piece body, also will not lead to the phenomenon of scanning failure or data loss, more will not influence the precision of measurement.

Description

Technical Field

[0001] This utility model relates to the field of workpiece measurement technology, specifically a non-contact measurement device for workpiece height difference. Background Technology

[0002] Non-contact measurement devices for workpiece height difference are key equipment in industrial inspection for accurately measuring the height difference on the surface of workpieces. Their core advantage lies in avoiding surface damage that may be caused by contact measurement, while achieving efficient and high-precision measurement.

[0003] According to a patent published on the China Patent Network, the patent title is: "A Non-Contact Mechanical Measuring Device," patent application number: 202020524267.1. It includes a frame, a width adjustment device, an angle adjustment device, and a CCD measuring head. The frame includes a base, a first support rod, a second support rod, and a crossbar. The width adjustment device includes a cantilever, a support rod, a guide rail, and a slider. The angle adjustment device includes a fixing ring, a fixing seat, a rotating shaft, an adjustment knob, an adjustment frame plate, an adjustment connecting plate, an adjustment groove, an adjustment turntable, an adjustment base, and a turntable knob. This utility model, through the first... The first and second struts, combined with a height-adjusting knob, allow for height adjustment. Horizontal width adjustment is achieved via a guide rail and slider on the cantilever. Combined with axial angle changes on the rotating shaft and horizontal rotation of the turntable, the CCD measuring head can be adjusted and inspected in multiple directions (height, rotation, and angle) when facing workpieces with various complex measurement surfaces. This flexibility adapts to various scenarios. In contrast, the aforementioned non-contact measuring device suffers from interference between ambient light and the scanning wave during measurement scanning, leading to scanning failures or data loss, thus affecting measurement accuracy.

[0004] Therefore, it is necessary to redesign and modify non-contact measuring devices to effectively prevent inaccurate measurements caused by ambient light. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a non-contact measuring device for workpiece height difference, which has the advantage of being able to measure in isolation from light sources, thus solving the problem of inaccurate measurement caused by ambient light.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a non-contact measuring device for workpiece height difference, comprising a frame;

[0007] The scanning measurement assembly is fixedly connected to the top left side of the frame;

[0008] The workpiece body is located on the top right side of the frame;

[0009] A light-isolating mechanism is fixedly connected to the front of the frame. The light-isolating mechanism includes a bonding plate. A small motor is fixedly connected to the top left side of the bonding plate. A worm gear is fixedly connected to the output end of the small motor. A rotating rod is longitudinally movably connected to the top right side of the frame via a bearing. A worm wheel is fixedly connected to the front of the rotating rod. The bottom of the worm wheel meshes with the worm gear. A light shield is fixedly connected to the surface of the rotating rod. The inner side of the light shield is located on the surface of the workpiece body.

[0010] In a preferred embodiment of this invention, a soot blowing mechanism is fixedly connected to the left side of the worm gear surface. The soot blowing mechanism includes a drive wheel, and a belt is drivenly connected to the surface of the drive wheel. A reciprocating screw is movably connected laterally to the bottom of the front side of the bonding plate via a bearing. A driven wheel is fixedly connected to the left side of the surface of the reciprocating screw. The side of the belt away from the drive wheel is drivenly connected to the surface of the driven wheel. A screw block is threadedly connected to the surface of the reciprocating screw. The back of the screw block is slidably connected to the bonding plate. A protruding plate is fixedly connected to the front of the screw block. A vertical plate is fixedly connected to the front of the protruding plate. A soot blowing fan is fixedly connected to the top of the back of the vertical plate.

[0011] As a preferred embodiment of this utility model, a groove is provided at the bottom of the front side of the bonding plate, and the back side of the wire block is slidably connected to the inside of the groove.

[0012] As a preferred embodiment of this utility model, a fixing seat is fixedly connected to the back of the small motor, and the back of the fixing seat is fixedly connected to the bonding plate.

[0013] As a preferred embodiment of this invention, a corner block is fixedly connected to the front side of the top of the convex plate, and the front side of the corner block is fixedly connected to the vertical plate.

[0014] As a preferred embodiment of this utility model, a limiting sleeve is fitted on the surface of the worm gear, and the back of the limiting sleeve is fixedly connected to the bonding plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. This utility model of non-contact measuring device changes the phenomenon of mutual repulsion between ambient light and scanning wave during traditional measurement and scanning. By using a light shield to cover the workpiece body, the mutual repulsion phenomenon will not occur, nor will it lead to scanning failure or data loss, and it will not affect the accuracy of measurement.

[0017] 2. This utility model, through the setting of the dust blowing mechanism, can perform dust blowing treatment on the workpiece body, avoiding the phenomenon that dust falling on the workpiece body will affect the measurement accuracy.

[0018] 3. The present invention, through the setting of the sliding groove, enables the wire block to slide more smoothly inside the bonding plate, reduces the friction between the wire block and the bonding plate, and extends the service life of the wire block.

[0019] 4. The fixed base of this utility model enables the small motor to operate more stably and avoids the phenomenon of falling.

[0020] 5. By setting corner blocks, this utility model can make the convex plate more firmly connected to the vertical plate, increasing the friction between the two.

[0021] 6. By setting a limiting sleeve, this utility model enables the worm gear to rotate more stably and prevents tilting. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a structural diagram of the light source isolation mechanism and the soot blowing mechanism of this utility model;

[0024] Figure 3 The structure of this utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0025] Figure 4 This is a partial three-dimensional view of the present invention.

[0026] In the diagram: 1. Frame; 2. Scanning and measuring assembly; 3. Workpiece body; 4. Light source isolation mechanism; 5. Adhesive plate; 6. Small motor; 7. Worm gear; 8. Rotating rod; 9. Worm wheel; 10. Light shield; 11. Soot blowing mechanism; 12. Drive wheel; 13. Belt; 14. Reciprocating lead screw; 15. Driven wheel; 16. Lead block; 17. Convex plate; 18. Vertical plate; 19. Soot blowing fan; 20. Slide groove; 21. Fixed base; 22. Corner block; 23. Limiting sleeve block. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1 to 4 As shown, the present invention provides a non-contact measuring device for workpiece height difference, including a frame 1;

[0029] The scanning and measurement assembly 2 is fixedly connected to the top left side of the frame 1;

[0030] The workpiece body 3 is located on the top right side of the frame 1;

[0031] A light-blocking mechanism 4 is fixedly connected to the front of the frame 1. The light-blocking mechanism 4 includes a bonding plate 5. A small motor 6 is fixedly connected to the top of the left side of the bonding plate 5. A worm gear 7 is fixedly connected to the output end of the small motor 6. A rotating rod 8 is longitudinally movably connected to the top right side of the frame 1 through a bearing. A worm wheel 9 is fixedly connected to the front of the rotating rod 8. The bottom of the worm wheel 9 meshes with the worm gear 7. A light shield 10 is fixedly connected to the surface of the rotating rod 8. The inner side of the light shield 10 is located on the surface of the workpiece body 3.

[0032] refer to Figure 1 , Figure 2 and Figure 3 A soot blowing mechanism 11 is fixedly connected to the left side of the worm gear 7. The soot blowing mechanism 11 includes a drive wheel 12. A belt 13 is driven to the surface of the drive wheel 12. A reciprocating screw 14 is movably connected to the bottom of the front side of the bonding plate 5 through a bearing. A driven wheel 15 is fixedly connected to the left side of the surface of the reciprocating screw 14. The side of the belt 13 away from the drive wheel 12 is driven to the surface of the driven wheel 15. A screw block 16 is threaded to the surface of the reciprocating screw 14. The back of the screw block 16 is slidably connected to the bonding plate 5. A protruding plate 17 is fixedly connected to the front of the screw block 16. A vertical plate 18 is fixedly connected to the front of the protruding plate 17. A soot blowing fan 19 is fixedly connected to the top of the back of the vertical plate 18.

[0033] As a technical optimization of this utility model, the dust blowing mechanism 11 can be used to blow dust off the workpiece body 3, thus avoiding the phenomenon that dust falls on the workpiece body 3 and affects the accuracy of measurement.

[0034] refer to Figure 3 A groove 20 is provided at the bottom of the front side of the bonding plate 5, and the back of the wire block 16 is slidably connected to the inside of the groove 20.

[0035] As a technical optimization of this utility model, the setting of the groove 20 enables the wire block 16 to slide more smoothly inside the bonding plate 5, reducing the friction between the wire block 16 and the bonding plate 5 and extending the service life of the wire block 16.

[0036] refer to Figure 2 The back of the small motor 6 is fixedly connected to a mounting base 21, and the back of the mounting base 21 is fixedly connected to the bonding plate 5.

[0037] As a technical optimization of this utility model, the setting of the fixed base 21 enables the small motor 6 to operate more stably and avoids the phenomenon of falling.

[0038] refer to Figure 3 A corner block 22 is fixedly connected to the front side of the top of the convex plate 17, and the front of the corner block 22 is fixedly connected to the vertical plate 18.

[0039] As a technical optimization of this utility model, the corner block 22 enables the convex plate 17 to be more firmly connected to the vertical plate 18, increasing the friction between the two.

[0040] refer to Figure 2 The surface of the worm gear 7 is fitted with a limiting sleeve 23, and the back of the limiting sleeve 23 is fixedly connected to the bonding plate 5.

[0041] As a technical optimization of this utility model, the setting of the limiting sleeve 23 enables the worm gear 7 to rotate more stably and prevents tilting.

[0042] The working principle and usage process of this utility model are as follows: First, the user places the workpiece body 3 on top of the frame 1, and then starts the small motor 6. The output end of the small motor 6 drives the worm gear 7 to rotate, the worm gear 7 drives the worm wheel 9 to rotate, the worm wheel 9 drives the rotating rod 8 to rotate, and the rotating rod 8 drives the light shield 10 to flip, so that the light shield 10 covers the workpiece body 3, achieving the effect of isolating the light source for measurement. Then, while the worm gear 7 rotates, the driving wheel 12 will also rotate. The driving wheel 12 drives the driven wheel 15 to rotate through the belt 13. The driven wheel 15 drives the reciprocating screw 14 to rotate. The reciprocating screw 14 drives the screw block 16 to move left and right. The screw block 16 drives the convex plate 17 and the vertical plate 18 to move left and right. The vertical plate 18 drives the dust blower 19 to move left and right. Then, the dust blower 19 blows dust onto the workpiece body 3, achieving the effect of preventing dust from adhering to the surface of the workpiece body 3.

[0043] In summary, this non-contact measurement device for workpiece height difference changes the phenomenon of mutual repulsion between ambient light and scanning wave during traditional measurement scanning by using a light shield 10 to cover the workpiece body 3. This eliminates the mutual repulsion phenomenon, prevents scanning failure or data loss, and does not affect the accuracy of the measurement.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A non-contact measuring device for workpiece height difference, comprising a frame (1); The scanning measurement assembly (2) is fixedly connected to the top left side of the frame (1); The workpiece body (3) is located on the top right side of the frame (1); Its features are: A light-isolating mechanism (4) is fixedly connected to the front of the frame (1). The light-isolating mechanism (4) includes a bonding plate (5). A small motor (6) is fixedly connected to the top left side of the bonding plate (5). A worm gear (7) is fixedly connected to the output end of the small motor (6). A rotating rod (8) is longitudinally movably connected to the right side of the top of the frame (1) through a bearing. A worm wheel (9) is fixedly connected to the front of the rotating rod (8). The bottom of the worm wheel (9) meshes with the worm gear (7). A light shield (10) is fixedly connected to the surface of the rotating rod (8). The inner side of the light shield (10) is located on the surface of the workpiece body (3).

2. The non-contact measuring device for workpiece height difference according to claim 1, characterized in that: A soot blowing mechanism (11) is fixedly connected to the left side of the worm gear (7). The soot blowing mechanism (11) includes a drive wheel (12). A belt (13) is driven to the surface of the drive wheel (12). A reciprocating screw (14) is movably connected to the bottom of the front side of the bonding plate (5) through a bearing. A driven wheel (15) is fixedly connected to the left side of the surface of the reciprocating screw (14). The side of the belt (13) away from the drive wheel (12) is driven to the surface of the driven wheel (15). A screw block (16) is threaded to the surface of the reciprocating screw (14). The back of the screw block (16) is slidably connected to the bonding plate (5). A protruding plate (17) is fixedly connected to the front side of the screw block (16). A vertical plate (18) is fixedly connected to the front side of the protruding plate (17). A soot blowing fan (19) is fixedly connected to the top of the back side of the vertical plate (18).

3. The non-contact measuring device for workpiece height difference according to claim 2, characterized in that: The bottom of the front side of the bonding plate (5) is provided with a groove (20), and the back side of the wire block (16) is slidably connected to the inside of the groove (20).

4. The non-contact measuring device for workpiece height difference according to claim 1, characterized in that: The back of the small motor (6) is fixedly connected to a fixing seat (21), and the back of the fixing seat (21) is fixedly connected to the bonding plate (5).

5. The non-contact measuring device for workpiece height difference according to claim 2, characterized in that: A corner block (22) is fixedly connected to the front side of the top of the convex plate (17), and the front side of the corner block (22) is fixedly connected to the vertical plate (18).

6. The non-contact measuring device for workpiece height difference according to claim 1, characterized in that: The surface of the worm (7) is fitted with a limiting sleeve (23), and the back of the limiting sleeve (23) is fixedly connected to the bonding plate (5).

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