CN222825049U - A tool for judging and adjusting the centering of the water bubble of a laser marking instrument - Google Patents

Abstract

The utility model discloses a centering judging and adjusting tool for a bubble of a laser marking instrument, which comprises a light source and a bubble position judging device, wherein the light source is arranged above a bubble unit, the bubble position judging device comprises an illuminance sensor, a main controller and an indicator, the illuminance sensor is arranged below the bubble and is used for sensing the illuminance intensity of light emitted by the light source after passing through the bubble unit, the main controller receives an illuminance intensity signal from the illuminance sensor and judges whether the illuminance intensity signal exceeds a preset illuminance intensity range, and the indicator displays a judging result of the main controller. The tool provides a special tool for the bubble centering judgment and adjustment process, and solves the problems of large error and low accuracy caused by lack of the special tool, main dependence on human eye observation and artificial judgment in the prior art.

Description

Centering judging and adjusting tool for laser marking instrument bubble

Technical Field

The utility model relates to the technical field of laser marking instruments, in particular to a centering judging and adjusting tool for a bubble of a laser marking instrument.

Background

Laser reticle type instruments typically have a laser module for emitting a laser line and a bubble for helping a user to determine the accuracy of the laser line. In use, when the bubble in the bubble is in the centered position, it is indicated that the precision of the laser line is satisfactory. Therefore, before leaving the factory, the laser marking instrument must correspond the laser emission line position to the exposed bubble centering position, so that a user can judge whether the laser line is the best precision position by observing the bubble centering position, and horizontal or vertical calibration is implemented. Therefore, the accuracy of the instrument laser line is directly related to the accuracy of the bubble in adjusting the centered position. At present, in the conventional bubble centering judging and adjusting process, a special tool is lacking, and the problem of large error and poor accuracy exists in the mode of mainly relying on human eye judgment, namely, whether the bubble of the bubble is positioned at the centering position or not is observed by naked eyes of workers.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a centering judging and adjusting tool for a bubble of a laser marking instrument, which can quickly and accurately judge whether the bubble is centered or not and is not influenced by human factors.

In order to achieve the above object, the centering judging and adjusting tool for the bubble of the laser marking instrument of the present utility model comprises a core part, wherein the core part comprises a laser module, a bubble unit and a bubble adjusting mechanism which are assembled in advance, the bubble unit is provided with a bubble for displaying whether the bubble is centered, the centering judging and adjusting tool comprises a light source and a bubble position judging device, the light source is arranged above the bubble unit, the bubble position judging device comprises an illuminance sensor, a main controller and an indicator, the illuminance sensor is arranged below the bubble and is used for sensing the illuminance intensity of light emitted by the light source after passing through the bubble unit, and the main controller receives an illuminance intensity signal from the illuminance sensor and judges whether the illuminance intensity exceeds a preset illuminance intensity range, and the indicator displays the judging result of the main controller.

In one embodiment, the preset illumination intensity range is (a, a+p), where a is a minimum illumination intensity value and p is a set value.

In one embodiment, the light from the light source forms a shadow after passing through the bubble, and the illumination intensity sensed by the illumination sensor is the minimum illumination intensity value a when the shadow covers the illumination sensor and is aligned with the illumination sensor in the middle.

In one embodiment, the bubble position judging device further comprises a display screen electrically connected with the main controller and used for displaying the illumination intensity value sensed by the illuminance sensor.

In one embodiment, the indicator comprises a pass indicator and a fail indicator, wherein the pass indicator is lighted when the main controller judges that the illumination intensity sensed by the illuminance sensor does not exceed the preset illumination intensity range, and the fail indicator is lighted when the main controller judges that the illumination intensity sensed by the illuminance sensor exceeds the preset illumination intensity range.

In one embodiment, the bubble adjusting mechanism comprises a bubble support, an inclined surface structure and a pair of adjusting screws, wherein the bubble support is fixedly connected with the bubble unit, the pair of adjusting screws are arranged below two ends of the bubble unit, and the bubble support is matched with the adjusting screws through the inclined surface structure.

In one embodiment, the light source is arranged at a position 200-300 mm above the bubble unit, and the illumination intensity of the light source is 2000-3000 Lux.

The beneficial effects are that:

The tool provided by the utility model adopts the illuminance sensor and other components, can accurately judge whether the bubble of the laser marking instrument is positioned at the center position, solves the problems of large error and low accuracy caused by human eye observation and artificial judgment in the prior art, and provides convenience for the centering adjustment procedure, and an operator can adjust by means of the real-time displayed illuminance intensity value. In addition, the tool is simple in structure, easy to operate and low in input cost.

Drawings

The utility model is further described and illustrated below with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a centering and adjusting tool for a bubble of a laser marking instrument according to a preferred embodiment of the present utility model.

Fig. 2 is a front view of the centering and adjustment tool of fig. 1.

Fig. 3 is an enlarged partial schematic view of the blister unit in a centered position.

Fig. 4 is an enlarged partial schematic view of the blister unit in a non-centered position.

Fig. 5 is a schematic block diagram of a circuit of the bubble position determination device.

Fig. 6 is a cross-sectional view taken along A-A in fig. 2.

Reference numerals:

1. A movement portion; 2, a light source, 3, an illuminance sensor, 4, a main controller, 5, an indicator, 6, a display screen, 7, a lithium battery, 8, a battery charging module, 11, a laser module, 12, a bubble unit, 13, a bubble unit adjusting mechanism, 20, a bubble position judging device, 51, a qualified indicator lamp, 52, a disqualified indicator lamp, 120, bubbles, 130, an inclined plane structure, 131, a bubble unit adjusting screw, 132, a bubble support, 141, a laser module adjusting screw, S, shadow, L and lamplight.

Detailed Description

The technical solution of the present utility model will be more clearly and completely explained by the description of the preferred embodiments of the present utility model with reference to the accompanying drawings.

The preferred embodiment shown in fig. 1 and 2 is a schematic diagram of the centering and adjusting tool for the bubble of the laser marking instrument. Generally, the laser marking instrument includes a movement portion 1, and the movement portion 1 is a core component of the laser marking instrument, and includes a laser module 11, a bubble unit 12, and a bubble adjusting mechanism 13, which are assembled in advance. The laser module 11 is capable of emitting laser lines for projecting marks on the object. The bubble unit 12 is used to assist the user in determining the accuracy of the laser line, and has a bubble 120 that indicates whether the bubble unit 12 is centered. When the bubble 120 is in the neutral position of the bubble unit 12, it indicates that the bubble unit 12 is in the neutral position and also that the laser line meets the accuracy requirement, and when the bubble 120 is not in the neutral position of the bubble unit 12, but is offset from the neutral position, it indicates that the bubble unit 12 is in the non-neutral position and also that the laser line does not meet the accuracy requirement. Therefore, the centering position of the bubble unit 12 must correspond to the laser line precision of the laser module 11, so that in the use process, a user can judge whether the laser line meets the precision requirement by observing whether the bubble unit 12 is centered. Therefore, in order to ensure that the centering state of the bubble unit 12 corresponds to the laser line precision of the laser module 11 when the laser marking instrument leaves the factory, the laser marking instrument goes through a procedure for judging whether the bubble is centered or not before leaving the factory, and at present, the procedure generally adopts a visual observation mode to check whether the bubble is centered or not by workers, thus the error is larger and the precision is lower

The centering judging and adjusting tool comprises a light source 2 and a bubble position judging device 20, wherein the light source 2 is arranged above a bubble unit 12, and the bubble position judging device 20 is arranged below the bubble unit 12. The bubble position determination device 20 includes an illuminance sensor 3, a main controller 4, and an indicator 5. The illuminance sensor 3 is disposed below the bubble 120, and is used for sensing the illumination intensity of the light emitted by the light source 2 after passing through the bubble unit 12. The main controller 4 receives the illumination intensity signal from the illuminance sensor 3, and judges whether or not the preset illumination intensity range is exceeded, and the indicator 5 displays the judgment result of the main controller 4.

When the tool is applied, the movement part 1 is firstly horizontally arranged, so that the bubble unit 12 is in a substantially horizontal position. Then, the light source 2 is disposed above the bubble unit 12 such that the light energy emitted from the light source 2 is irradiated on the bubble unit 12. An illuminance sensor 3 is disposed below the bubble 120, and is used for sensing the illumination intensity of the light emitted from the light source 2 after passing through the bubble unit 12, and transmitting the light to the main controller 4. When the sensed illumination intensity is within the preset illumination intensity range, the main controller 4 judges that the bubble unit 12 is at the central position and sends out a prompt of the centering of the bubble through the indicator 5, otherwise, when the sensed illumination intensity is beyond the preset illumination intensity range, the main controller 4 judges that the bubble unit 12 is not at the central position and sends out a prompt of the non-centering of the bubble through the indicator 5.

As shown in fig. 3, the light L emitted from the light source 2 irradiates the bubble unit 12, and after being blocked by the bubble 120, an elliptical shadow S is formed under the bubble unit 12. When the shadow S covers the illuminance sensor 3 and is aligned centrally with the illuminance sensor 3, the illuminance sensed by the illuminance sensor 3 is the minimum illuminance value a. Setting a deviation value p of the illumination intensity on the basis of the minimum illumination intensity value a, thereby obtaining an illumination intensity range (a, a+p). The illumination intensity range not only considers the slight deviation of light intensity induction, but also meets the product standard requirement of the laser marking instrument. Therefore, when the illuminance sensed by the illuminance sensor 3 is within the illuminance range (a, a+p), that is, the bubble unit 12 is at the center position and corresponds to the laser line precision, the movement portion 1 is a qualified semi-finished product, and can directly enter the assembly process of the housing assembled to the laser marking apparatus, thereby forming a finished product of the laser marking apparatus. In this embodiment, the deviation value p is selected to be 1 to 8, preferably 5, and in other embodiments, the deviation value may be set according to the standard requirements of a specific product.

As shown in fig. 4, when the shadow S projected by the light source 2 after passing through the bubble 120 does not cover the illuminance sensor 3, the illuminance sensed by the illuminance sensor 3 is high, and when it is so large that it exceeds the illuminance range (a, a+p), it indicates that the bubble 120 is not located at the middle position of the bubble unit 12, that is, the bubble unit 12 is located at the non-center position, which does not correspond to the laser line precision, and the movement portion 1 at this time is a non-qualified semi-finished product, and cannot enter the assembly process of the laser reticle instrument housing, but rather needs to enter the adjustment process of adjusting the center of the bubble.

Preferably, the light source 2 is arranged at 200-300 mm above the bubble unit 12, the illumination intensity of the light source 2 is 2000-3000 lux, and here, the distance between the light source 2 and the bubble unit 12 and the illumination intensity of the light source 2 are selected so that the tool has proper illumination intensity in the application process, the illumination requirement of the judging process can be met, and the judgment accuracy caused by the influence of ambient light is avoided. In the present embodiment, the light source 2 is an incandescent lamp with an illumination intensity of 2500Lux, when the bubble unit 12 is not placed under the light source 2, the illumination intensity sensed by the illuminance sensor 3 is equal to or greater than 2500Lux, and when the bubble unit 12 is placed under the light source 2 but the bubble 120 is in a non-centered position, the illumination intensity sensed by the illuminance sensor 3 is less than 2000Lux. According to the inclined position of the bubble 120, the illumination intensity changes within the range of 1000-1500 Lux, the more the bubble is centered, the smaller the illumination intensity value, when the illumination intensity value is minimum, the bubble is in the centered position, and the main controller 4 automatically records the minimum illumination intensity value a in the current period.

As shown in fig. 1 and 5, the centering judging and adjusting tool of the present utility model further includes a display screen 6, the illuminance sensor 3 transmits a sensed illuminance intensity signal to the main controller 4, the main controller 4 displays an illuminance intensity value corresponding to the illuminance intensity signal through the display screen 6, and judges whether the illuminance intensity exceeds a preset illuminance intensity range (a, a+p), when the illuminance intensity range is not exceeded, the main controller 4 controls the qualification indicator lamp 51 of the indicator 5 to be on, and when the illuminance intensity range is exceeded, the main controller 4 controls the disqualification indicator lamp 52 of the indicator to be on, thereby giving a clear judgment result prompt to a worker. Alternatively, the bubble position determining device 20 may further include a lithium battery 7 and a battery charging module 8, with the lithium battery being used to supply power to the entire device.

Preferably, in the present embodiment, the illuminance sensor 3 employs a ROHM ambient light sensor chip BH1750FV, which has the advantages of high resolution and wide range (1-65535 lux), and the spectrum range is similar to that of the human eye, so that the tool is suitable for replacing the human eye to observe. The illuminance sensor 3 communicates with the main controller 4 in an IIC mode, and displays the current illuminance value in real time through the OLED display screen 6, so that the subjective error of operators during adjustment in the past can be reduced.

As shown in fig. 2 and 6, the adjusting mechanism 13 of the movement portion 1 includes a pair of adjusting screws 131 and a bubble support 132, wherein the pair of adjusting screws 131 are respectively disposed below two ends of the bubble unit 12, the bubble support 132 is fixedly connected with the bubble unit 12, and the bubble support 132 and the adjusting screws 131 are contacted and matched with each other through the inclined surface structure 130. When the bubble 120 deviates from the middle position of the bubble unit 12, the operator rotates one or both of the adjusting screws 131, and drives the bubble support 132 and the bubble unit 12 to move up and down through the inclined surface structure 130, so that the bubble 120 moves to the middle position. In this adjustment process, the operator can observe the illumination intensity value displayed on the display screen 6 while rotating the adjustment screw 131, so that the effect of adjustment can be clearly and accurately known, and errors caused by subjective judgment of the operator in the prior art can be reduced.

Preferably, the movement portion 1 further includes a laser module adjusting mechanism including a pair of adjusting screws 141 for an operator to adjust the position of the laser module.

The above detailed description is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Various modifications, substitutions and improvements of the technical solution of the present utility model will be apparent to those skilled in the art from the description and drawings provided herein without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the claims.

Claims (7)

1. A judge and adjust frock in the middle of being used for laser marking instrument bubble, laser marking instrument includes the core part, the core part includes preassembled laser module, bubble unit and bubble adjustment mechanism, the bubble unit has the bubble that is used for showing it in the middle, its characterized in that, judge in the middle and adjust frock includes light source and bubble position judgement device, the light source sets up the top of bubble unit, bubble position judgement device includes illuminance sensor, main control unit, indicator, illuminance sensor sets up the below of bubble is used for the response light that the light source sent is through the illumination intensity behind the bubble unit, main control unit receives the illumination intensity signal from illuminance sensor to judge whether surpass preset illumination intensity scope, the indicator shows main control unit's judgement result.

2. The centering judging and adjusting tool according to claim 1, wherein the preset illumination intensity range is (a, a+p), wherein a is a minimum illumination intensity value and p is a set value.

3. The centering determination and adjustment tool according to claim 2, wherein light emitted by said light source forms a shadow after passing through said bubble, and wherein the illumination intensity sensed by said illumination sensor is a minimum illumination intensity value a when said shadow covers said illumination sensor and is centered and aligned with said illumination sensor.

4. The centering and adjustment tool of claim 3, wherein said bubble position determination means further comprises a display screen electrically connected to said master controller for displaying the intensity of illumination sensed by said illuminance sensor.

5. The centering judgment and adjustment tool according to claim 3, wherein the indicator comprises a pass indicator and a fail indicator, the pass indicator is turned on when the main controller judges that the illumination intensity sensed by the illuminance sensor does not exceed the preset illumination intensity range, and the fail indicator is turned on when the main controller judges that the illumination intensity sensed by the illuminance sensor exceeds the preset illumination intensity range.

6. The centering judging and adjusting tool according to claim 1, wherein the bubble adjusting mechanism comprises a bubble support member, an inclined surface structure and a pair of adjusting screws, the bubble support member is fixedly connected with the bubble unit, the pair of adjusting screws are arranged below two ends of the bubble unit, and the bubble support member is matched with the adjusting screws through the inclined surface structure.

7. The centering judging and adjusting tool according to claim 1, wherein the light source is arranged at a position 200-300 mm above the bubble unit, and the illumination intensity of the light source is 2000-3000 lux.