Measuring projector

By designing an adjustable fixture mechanism and cleaning mechanism, the unstable fixation and inconvenience of cleaning of different products by measuring projectors is solved, and stable fixation and high-precision measurement are achieved.

CN223192297UActive Publication Date: 2025-08-05JMI (CHONGQING) ROBOT CO LTD
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Patent Information

Application Number
CN202422203815.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-08-05
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

The existing measuring projector fixtures are relatively fixed and single, making it difficult to adapt to the tested products of various shapes and sizes, resulting in unstable measurement and low accuracy, increasing measurement errors.

Method used

A clamp mechanism is designed, which drives the reciprocating screw to rotate through the rocker, and the nut drives the telescopic rod to fit the outer wall of the product, combining the engagement structure of the spring and the baffle to achieve stable fixation of different products; at the same time, the cleaning mechanism achieves all-round dust removal through air pipe blowing and pulley transmission.

Benefits of technology

It achieves stable fixation of different types of products, avoids shaking affecting accuracy, and effectively cleans up product surface dust before measurement, improving measurement stability and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of projectors, and discloses a measuring projector which comprises a main body, a placing table is fixedly installed on the outer surface of the main body, a clamp mechanism is fixedly connected to the inner wall of the placing table, and a cleaning mechanism is fixedly connected to the outer wall of the clamp mechanism. In order to avoid fixing limitation on different types of products, rocking rods on the two sides are rocked, a rotating disc drives a reciprocating lead screw to rotate, a nut drives a telescopic rod to be attached to the outer wall of the product, a rotating plate is manually pressed to rotate to be horizontal on the outer wall of a supporting column, resilience force of a spring extrudes an elastic block, the elastic block is far away from the supporting column, and the meshed fixing block and the elastic block are disengaged. The baffle is attached to the outer surface of a product, the rotating plate is lifted to be perpendicular, the rotating plate extrudes the elastic block to be close to the fixed block, and the fixed block is meshed with the elastic block, so that different products can be easily clamped, stability is kept during operation, and precision is not affected by accidental shaking.
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Description

Technical Field

[0001] The utility model relates to the technical field of projectors, in particular to a measuring projector. Background Art

[0002] A measuring projector is a high-precision optical measuring instrument that integrates advanced optical technology and sophisticated mechanical structure. By projecting an image of the object being measured onto a screen, it can accurately measure and analyze geometric parameters such as shape, size, and angles. Its operating principle is based on optical projection and magnification, using a light source to illuminate the object being measured and projecting a clear image onto the screen through a lens system. Measuring projectors offer advantages such as ease of operation, high measurement accuracy, and a wide range of applications. They are widely used in machinery manufacturing, electronics, mold design, metrology, and other fields, providing important technical support for product quality control and production process improvement.

[0003] Existing measuring projectors, due to the fact that the design and specifications of the fixtures are often relatively fixed and single, are difficult to adapt to the various shapes and sizes of the products being measured. As a result, they may not provide a stable and accurate fixing effect when measuring different types of products. This not only increases the possibility of measurement errors but also reduces measurement efficiency. Therefore, a measuring projector is proposed. Utility Model Content

[0004] The purpose of the present utility model is to provide a measuring projector to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a measuring projector, comprising a main body, a placement table fixedly mounted on the outer surface of the main body, a clamping mechanism fixedly connected to the inner wall of the placement table, the fixture being able to fix products of different sizes, the outer wall of the clamping mechanism being fixedly connected to a cleaning mechanism, the cleaning mechanism being able to clean dust on the surface of the product before measurement, the clamping mechanism comprising:

[0006] A reciprocating screw rod, wherein the inner wall of the placement table is rotatably connected to the reciprocating screw rod;

[0007] A turntable, the outer wall of the reciprocating screw is fixedly connected to the turntable;

[0008] A rocker is fixedly connected to the outer wall of the turntable, and by shaking the rocker, the turntable can drive the reciprocating screw to rotate.

[0009] Preferably, the outer surface of the reciprocating screw is threadedly connected to a nut, the top of the nut is fixedly connected to a telescopic rod, the top of the telescopic rod is rotatably connected to a fixed block, and the reciprocating screw drives the nut to move, so that the telescopic rod can drive the fixed block to move.

[0010] Preferably, the inner wall of the fixed block is rotatably connected to a support column, the outer wall of the support column is slidably connected to a spring, the outer wall of the fixed block is engaged with a spring block, and the spring is fixedly connected to the inner wall of the spring block. Through the elastic force of the spring, the spring block can be squeezed to slide on the outer wall of the support column.

[0011] Preferably, the outer wall of the support column is fixedly connected to a baffle, the outer wall of the spring block is fixedly connected to a baffle, the outer wall of the support column is hinged with a rotating plate, and the rotating plate is attached to the outer surface of the spring block. By rotating the rotating plate, the spring block can be moved away from or squeezed against the support column, and the angle of the baffle can be adjusted.

[0012] Preferably, the cleaning mechanism includes a large pulley, the outer wall of the reciprocating screw is fixedly connected to the large pulley, the outer surface of the large pulley is transmission connected to a belt, and the inner wall of the belt is transmission connected to a small pulley. By rotating the reciprocating screw, the large pulley can drive the small pulley to rotate through the belt.

[0013] Preferably, the inner wall of the small pulley is fixedly connected to a small reciprocating screw, the outer surface of the small reciprocating screw is threadedly connected to a small nut, and the outer surface of the small nut is fixedly installed with an air pipe. By rotating the small reciprocating screw, the small nut can drive the air pipe to move.

[0014] Compared with the prior art, the present invention provides a measuring projector with the following beneficial effects:

[0015] 1. In order to avoid the restriction of fixing different types of products, the measuring projector shakes the joystick, the turntable drives the reciprocating screw to rotate, the nut drives the telescopic rod to fit the outer wall of the product, presses the turn plate to rotate to the horizontal, the spring block moves away from the support column, the fixed block and the spring block disengage, the baffle fits the outer surface of the product, lifts the turn plate to squeeze the spring block close to the fixed block, the fixed block and the spring block engage with each other, so that different products can be easily clamped, so that they remain stable during operation and the accuracy is not affected by accidental shaking.

[0016] 2. In order to clean the product before measurement, the measuring projector is placed on a table so that the air pipe blows air to the surface of the product. The reciprocating screw rotates, the large pulley drives the small pulley to rotate, the small reciprocating screw drives the small nut to move, and the air pipe and the fixture mechanism move in opposite directions, thereby removing dust from the product surface in all directions without affecting the measurement accuracy, making cleaning very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the fixture mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the cleaning mechanism structure of the utility model.

[0021] In the figure: 1. Main body; 2. Placement table; 3. Clamp mechanism; 31. Reciprocating screw; 32. Turntable; 33. Rocker; 34. Nut; 35. Telescopic rod; 36. Fixed block; 37. Support column; 38. Spring; 39. Spring block; 310. Baffle; 311. Turntable; 4. Cleaning mechanism; 41. Large pulley; 42. Belt; 43. Small pulley; 44. Small reciprocating screw; 45. Small nut; 46. Trachea. DETAILED DESCRIPTION

[0022] like Figures 1-4 As shown, the utility model provides a technical solution: a measuring projector, including a main body 1, a placement table 2 is fixedly installed on the outer surface of the main body 1, and a clamp mechanism 3 is fixedly connected to the inner wall of the placement table 2. Through the setting of the clamp mechanism 3, the fixing device can fix products of different sizes, and the outer wall of the clamp mechanism 3 is fixedly connected to the cleaning mechanism 4. Through the setting of the cleaning mechanism 4, dust on the surface of the product can be cleaned before measurement.

[0023] Specifically, the clamping mechanism 3 includes a reciprocating screw 31, a turntable 32, a rocker 33, a nut 34, a telescopic rod 35, a fixed block 36, a support column 37, a spring 38, a spring block 39, a baffle 310, and a turntable 311; the inner wall of the placing table 2 is rotatably connected to the reciprocating screw 31, the outer wall of the reciprocating screw 31 is fixedly connected to the turntable 32, the outer wall of the turntable 32 is fixedly connected to the rocker 33, and by shaking the rocker 33, the turntable 32 can drive the reciprocating screw 31 to rotate, the outer surface of the reciprocating screw 31 is threadedly connected to the nut 34, the top of the nut 34 is fixedly connected to the telescopic rod 35, the top of the telescopic rod 35 is rotatably connected to the fixed block 36, and the nut 34 is driven to move by the reciprocating screw 31. The telescopic rod 35 can drive the fixed block 36 to move. The inner wall of the fixed block 36 is rotatably connected to the support column 37. The outer wall of the support column 37 is slidably connected to the spring 38. The outer wall of the fixed block 36 is engaged with the elastic block 39. The spring 38 is fixedly connected to the inner wall of the elastic block 39. Through the elastic force of the spring 38, the elastic block 39 can be squeezed to slide on the outer wall of the support column 37. The outer wall of the support column 37 is fixedly connected to the baffle 310. The outer wall of the elastic block 39 is fixedly connected to the baffle 310. The outer wall of the support column 37 is hinged with a rotating plate 311. The rotating plate 311 is attached to the outer surface of the elastic block 39. By rotating the rotating plate 311, the elastic block 39 can be moved away from or squeezed against the support column 37, and the angle of the baffle 310 can be adjusted.

[0024] Specifically, the cleaning mechanism 4 includes a large pulley 41, a belt 42, a small pulley 43, a small reciprocating screw rod 44, a small nut 45, and an air pipe 46; the outer wall of the reciprocating screw rod 31 is fixedly connected to the large pulley 41, the outer surface of the large pulley 41 is transmission-connected to the belt 42, the inner wall of the belt 42 is transmission-connected to the small pulley 43, and the reciprocating screw rod 31 is rotated, so that the large pulley 41 can drive the small pulley 43 to rotate through the belt 42, the inner wall of the small pulley 43 is fixedly connected to the small reciprocating screw rod 44, the outer surface of the small reciprocating screw rod 44 is threadedly connected to the small nut 45, and the outer surface of the small nut 45 is fixedly installed with the air pipe 46, and the small reciprocating screw rod 44 is rotated, so that the small nut 45 can drive the air pipe 46 to move.

[0025] Working principle: When the measuring projector needs to be used, the operator places the product on the placement table 2, manually shakes the rocker 33 on both sides, the turntable 32 drives the reciprocating screw 31 to rotate, and the nut 34 on the inner wall of the main body 1 drives the telescopic rod 35 to slide and fit to the outer wall of the product, and manually presses the turn plate 311 to rotate to the horizontal on the outer wall of the support column 37. The rebound force of the spring 38 squeezes the elastic block 39 away from the support column 37, and the engaged fixed block 36 and the elastic block 39 disengage. The baffle 310 is rotated to completely fit the outer surface of the product, and the turn plate 311 is lifted to vertical. The outer wall of the turn plate 311 squeezes the elastic block 39 close to the teeth of the fixed block 36, and the fixed block 36 and the elastic block 39 are engaged and fixed with each other, so that products of different types and sizes can be easily clamped and fixed, so that the measuring projector can maintain the stability of the product during operation and the accuracy is not affected by unexpected factors.

[0026] When the operator places the product on the placement table 2, the air valve is opened to allow the air pipe 46 to blow air to remove dust from the surface of the product, the reciprocating screw 31 rotates, the large pulley 41 drives the small pulley 43 to rotate through the belt 42, the small reciprocating screw 44 drives the small nut 45 to move, and the small nut 45 drives the air pipe 46 to move in the opposite direction of the clamp mechanism 3, thereby removing dust from the surface of the product in all directions without affecting the measurement accuracy, making cleaning very convenient.

[0027] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A measuring projector, comprising a main body (1), characterized in that: A placement platform (2) is fixedly mounted on the outer surface of the main body (1); a clamping mechanism (3) is fixedly connected to the inner wall of the placement platform (2); a cleaning mechanism (4) is fixedly connected to the outer wall of the clamping mechanism (3); and the clamping mechanism (3) comprises: A reciprocating screw rod (31), the inner wall of the placement platform (2) is rotatably connected to the reciprocating screw rod (31); A turntable (32), the outer wall of the reciprocating screw rod (31) is fixedly connected to the turntable (32); A rocker (33) is fixedly connected to the outer wall of the turntable (32).

2. A measuring projector according to claim 1, characterized in that: The outer surface of the reciprocating screw rod (31) is threadedly connected to a nut (34), the top of the nut (34) is fixedly connected to a telescopic rod (35), and the top of the telescopic rod (35) is rotatably connected to a fixed block (36).

3. A measuring projector according to claim 2, characterized in that: The inner wall of the fixed block (36) is rotatably connected to a support column (37), the outer wall of the support column (37) is slidably connected to a spring (38), the outer wall of the fixed block (36) is engaged with a spring block (39), and the spring (38) is fixedly connected to the inner wall of the spring block (39).

4. A measuring projector according to claim 3, characterized in that: The outer wall of the support column (37) is fixedly connected to a baffle (310), the outer wall of the elastic block (39) is fixedly connected to a baffle (310), the outer wall of the support column (37) is hinged to a rotating plate (311), and the rotating plate (311) is attached to the outer surface of the elastic block (39).

5. The measuring projector according to claim 1, characterized in that: The cleaning mechanism (4) comprises a large pulley (41), the outer wall of the reciprocating screw rod (31) is fixedly connected to the large pulley (41), the outer surface of the large pulley (41) is transmission-connected to a belt (42), and the inner wall of the belt (42) is transmission-connected to a small pulley (43).

6. The measuring projector according to claim 5, characterized in that: The inner wall of the small pulley (43) is fixedly connected with a small reciprocating screw rod (44), the outer surface of the small reciprocating screw rod (44) is threadedly connected with a small nut (45), and the outer surface of the small nut (45) is fixedly installed with an air pipe (46).