CN111256599A - Cooling fan detection device - Google Patents
Cooling fan detection device Download PDFInfo
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- CN111256599A CN111256599A CN202010165587.7A CN202010165587A CN111256599A CN 111256599 A CN111256599 A CN 111256599A CN 202010165587 A CN202010165587 A CN 202010165587A CN 111256599 A CN111256599 A CN 111256599A
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- cooling fan
- fan
- propelling movement
- detecting
- clamping
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Abstract
The invention relates to the technical field of product detection, in particular to a cooling fan detection device, which comprises: the conveying device is provided with a clamping device and used for conveying the clamped cooling fan to a discharging position from a feeding position, and the cooling fan is conveyed to the detecting device in the conveying process; the detection device is used for detecting the welding height of the fins and the copper sheets on the cooling fan and the height of the cooling fins; the clamping device is used for clamping the heat dissipation fan; the sucking disc device is used for sucking the detected cooling fan and placing the cooling fan at a specified position; the invention discloses a control system for controlling a conveying device, a detection device, a clamping device and a sucker device, and solves the problems of low detection efficiency and more errors of a cooling fan in the prior art.
Description
Technical Field
The invention relates to the technical field of product detection, in particular to a cooling fan detection device.
Background
With the development of thinning and thinning of notebook computers, the heat dissipation fans inside the notebook computers have to be developed in a thinner direction, and usually, the final thickness detection is required for each manufactured heat dissipation fan, and the main detection is the height of the welded fin and the copper sheet, the height of the heat dissipation sheet, and the relative height therebetween. The detection means commonly used is to make the tool detection device of corresponding height, and above-mentioned size is detected to the rethread tool, and such detection means can only carry out single detection, and detection efficiency is not high, and such detection means has more errors in the process of detecting simultaneously.
Disclosure of Invention
The invention aims to provide a cooling fan detection device to solve the problems of low cooling fan detection efficiency and more errors in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a cooling fan detecting device, comprising:
the conveying device is provided with a clamping device and used for conveying the clamped cooling fan to a discharging position from a feeding position, and the cooling fan is conveyed to the detecting device in the conveying process;
the detection device is used for detecting the welding height of the fins and the copper sheets on the cooling fan and the height of the cooling fins;
the clamping device is used for clamping the heat dissipation fan;
the sucking disc device is used for sucking the detected cooling fan and placing the cooling fan at a specified position;
and the control system is used for controlling the conveying device, the detection device, the clamping device and the sucker device.
Preferably, the conveying device comprises a stepping motor and a conveying belt, and the stepping motor drives the conveying belt to rotate up and down in a circulating manner.
Preferably, the clamping device is arranged on the surface of the conveyor belt and comprises a pair of clamping blocks which are arranged oppositely, the clamping blocks are respectively connected with a rotary pressing cylinder, and the rotary pressing cylinder drives the clamping blocks to clamp or release the cooling fan.
Preferably, the detection device comprises two laser displacement sensors and an L-shaped bracket, the two laser displacement sensors are respectively installed on two side edges of the L-shaped bracket, one of the laser displacement sensors faces the fin, and the other laser displacement sensor faces the heat sink.
Preferably, the sucking disc device comprises a sucking disc, a telescopic cylinder and an X-axis module, the telescopic cylinder is connected with a moving part of the X-axis module, and the telescopic cylinder drives the sucking disc to move up and down.
Preferably, still include material loading propelling movement cylinder and unloading propelling movement cylinder, material loading propelling movement cylinder and unloading propelling movement cylinder set up the both sides at conveyer in opposite directions, material loading propelling movement cylinder is with radiator fan propelling movement to the material level, unloading propelling movement cylinder is with radiator fan from material level propelling movement to sucking disc device bottom down.
Compared with the prior art, the invention has the beneficial effects that: the welding height of the fins and the copper sheet and the height of the radiating fins are detected by adopting two laser displacement sensors, so that the automation of the whole process is realized, the labor cost is reduced, the detection efficiency is improved, and the automatic sorting function of qualified and unqualified products is realized; the relative height between the fins and the radiating fins can be detected, the position of the first point and the position of the last point are obtained through the laser displacement sensor, the two points are compared, the inclination is determined, and then the relative height between the fins and the radiating fins is determined through the comparison of the last position.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of another view angle of the present invention.
In the figure: 1. the device comprises a stepping motor, a conveyor belt 2, a clamping block 3, a feeding and pushing cylinder 4, a laser displacement sensor 5, a cooling fan 6, an L-shaped support 7, a rotary pressing cylinder 8, a blanking and pushing cylinder 9, a sucker 10, a telescopic cylinder 11 and an X-axis module 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a cooling fan detecting device, comprising: the device comprises a conveying device, a detection device, a clamping device, a sucker device and a control system (not shown in the figure), wherein the conveying device is arranged on a base and comprises a stepping motor 1 and a conveyor belt 2, the stepping motor 1 drives the conveyor belt 2 to rotate up and down in a circulating manner, the clamping device is fixed on the conveyor belt 2 and comprises a pair of clamping blocks 3 arranged in opposite directions, the clamping blocks 3 are respectively connected with a rotary pressing cylinder 8, the rotary pressing cylinder 8 drives the clamping blocks 3 to clamp or release a cooling fan 6, the conveying device conveys the clamped cooling fan 6 to a discharging position from the charging position, the detection device comprises two laser displacement sensors 5 and an L-shaped support 7 in the conveying process, the two laser displacement sensors 5 are respectively arranged on two side edges of the L-shaped support 7, one laser displacement sensor 5 is opposite to a fin, the other laser displacement sensor 5 is opposite to the radiating fin, the detection device is used for detecting the welding height of the radiating fin and the copper sheet on the radiating fan 6 and the height of the radiating fin, the sucker device comprises a sucker 10, a telescopic cylinder 11 and an X-axis module 12, the telescopic cylinder 11 is connected with a moving part of the X-axis module 12, the telescopic cylinder 11 drives the sucker 10 to move up and down, the sucker device is used for sucking the detected radiating fan 6 and placing the radiating fan 6 at a specified position, and the control system is used for controlling the conveying device, the detection device, the clamping device and the sucker device. After radiator fan 6 reachs the material loading level, clamping device presss from both sides it tightly, conveyer rotates and drives radiator fan 6 arrival detection area of detection device, detection device detects radiator fan 6, conveyer conveys the radiator fan 6 after will detecting and distinguishes the unloading, suction disc device absorbs radiator fan 6 and places it in appointed position, whole process is automatic to be accomplished, need not artifical the participation, adopt 5 height that detect fin and copper sheet welded of laser displacement sensor and fin, detection error is little, detection efficiency is high, this application still has the function of letter sorting product simultaneously.
Preferably, radiator fan detection device that this application provided still includes material loading propelling movement cylinder 4 and unloading propelling movement cylinder 9, and material loading propelling movement cylinder 4 sets up in conveyer's both sides with unloading propelling movement cylinder 9 in opposite directions, and material loading propelling movement cylinder 4 is to the material level of radiator fan 6 propelling movement, and unloading propelling movement cylinder 9 is with radiator fan 6 from material level propelling movement to sucking disc device bottom down.
Further, in order to improve detection efficiency and realize circulation operation, a plurality of clamping devices are uniformly distributed on the conveyor belt 2, so that the cooling fans 6 can be circularly detected, and the conveyor belt 2 rotates for one circle to detect a plurality of cooling fans 6.
The working principle is as follows: placing a cooling fan 6 product on a placing block connected with a feeding pushing cylinder 4, extending the feeding pushing cylinder 4 to enable the cooling fan 6 to reach a feeding position, driving a clamping device to reach the feeding position by a stepping motor 1, driving a clamping block 3 to clamp the cooling fan 6 by a rotary pressing cylinder 8, driving the cooling fan 6 to move upwards by a conveyor belt 2, reducing the speed of the conveyor belt 2 when the cooling fan passes through two laser displacement sensors 5, measuring the heights of corresponding fins and cooling fins and data of each point by the laser displacement sensors 5, and calculating and comparing the obtained data so as to judge whether the value to be detected meets the requirement; after the detection is completed, the conveyor belt 2 continues to drive the cooling fan 6 to rotate to the discharging position, the conveyor belt 2 stops for several seconds, the clamping device is loosened, the cooling fan 6 is placed at the discharging position, the discharging pushing cylinder 9 can drive the cooling fan 6 to the bottom of the sucking disc device, the X-axis module 12 receives a detection signal and then confirms the quality of the cooling fan 6, the telescopic cylinder 11 is controlled to move to the position above the cooling fan 6, the telescopic cylinder 11 moves downwards, the smooth surface on the cooling fan 6 is sucked by the control sucking disc 10, and then the cooling fan 6 is placed in a corresponding qualified or unqualified box.
The detection principle is as follows: the laser displacement sensor 5 in the Y-axis direction mainly obtains the height of the welded fins and the copper sheets and the numerical height positions of the fins of the first point and the last point of the copper tube touched by laser, the heights of the fins on two sides are consistent, the detected heights are also consistent, if the heights of the two detected points are different, the height is unqualified, the laser displacement sensor 5 in the X-axis direction mainly obtains the height of the radiating fins and the numerical heights of the first point and the last point of the radiating fins, and the mode of judging the bending degree of the fan is as follows: determining the bending degree of the copper pipe by using the data of the position of the first point of the copper pipe acquired by the two laser displacement sensors 5 and the size of the included angle between the line connected with the high point position and the horizontal straight line by taking the first point position detected by the Y axis as a standard; and comparing the highest point of the welding of the fin and the copper pipe with the data of detecting the high point of the radiating fin by comparing the height data of the last point, and determining whether the relative height between the two points is in a corresponding range, thereby determining the height and the curvature of the fin and the radiating fin of the fan.
According to the method, the welding height of the fins and the copper sheets and the height of the radiating fins are detected by the two laser displacement sensors 5, so that the automation of the whole process is realized, the labor cost is reduced, the detection efficiency is improved, and meanwhile, the method also has the function of automatically sorting qualified and unqualified products; the relative height between the fins and the radiating fins can also be detected, the position of the first point and the position of the last point are obtained through the laser displacement sensor 5, the two points are compared, the inclination is determined, and then the relative height between the fins and the radiating fins is determined through the comparison of the last position.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A cooling fan detection device, comprising:
the conveying device is provided with a clamping device, the conveying device conveys the clamped cooling fan (6) to a discharging position from a loading position, and the cooling fan is conveyed to the detecting device in the conveying process;
the detection device is used for detecting the welding height of the fins and the copper sheets on the cooling fan (6) and the height of the cooling fins;
a clamping device for clamping the heat radiation fan (6);
the sucking disc device is used for sucking the detected cooling fan (6) and placing the cooling fan (6) at a specified position;
and the control system is used for controlling the conveying device, the detection device, the clamping device and the sucker device.
2. The apparatus for detecting a heat dissipation fan as claimed in claim 1, wherein: the conveying device comprises a stepping motor (1) and a conveying belt (2), wherein the stepping motor (1) drives the conveying belt (2) to rotate up and down in a circulating mode.
3. The apparatus for detecting a heat dissipation fan as claimed in claim 2, wherein: the clamping device is arranged on the surface of the conveying belt (2) and comprises a pair of clamping blocks (3) which are arranged in opposite directions, the clamping blocks (3) are respectively connected with a rotary pressing cylinder (8), and the rotary pressing cylinder (8) drives the clamping blocks (3) to clamp or release the cooling fan (6).
4. The apparatus for detecting a heat dissipation fan as claimed in claim 1, wherein: the detection device comprises two laser displacement sensors (5) and an L-shaped support (7), wherein the two laser displacement sensors (5) are respectively arranged on two side edges of the L-shaped support (7), one laser displacement sensor (5) is opposite to the fin, and the other laser displacement sensor (5) is opposite to the radiating fin.
5. The apparatus for detecting a heat dissipation fan as claimed in claim 1, wherein: the sucking disc device includes sucking disc (10), telescopic cylinder (11) and X axle module (12), telescopic cylinder (11) are connected with the moving part of X axle module (12), telescopic cylinder (11) drive sucking disc (10) up-and-down motion.
6. The apparatus for detecting a heat dissipation fan as claimed in claim 1, wherein: still include material loading propelling movement cylinder (4) and unloading propelling movement cylinder (9), material loading propelling movement cylinder (4) and unloading propelling movement cylinder (9) set up in conveyer's both sides in opposite directions, material loading propelling movement cylinder (4) are with radiator fan (6) propelling movement to the material level, unloading propelling movement cylinder (9) are with radiator fan (6) from unloading position propelling movement to sucking disc device bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010165587.7A CN111256599A (en) | 2020-03-11 | 2020-03-11 | Cooling fan detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010165587.7A CN111256599A (en) | 2020-03-11 | 2020-03-11 | Cooling fan detection device |
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| Publication Number | Publication Date |
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| CN111256599A true CN111256599A (en) | 2020-06-09 |
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| CN202010165587.7A Pending CN111256599A (en) | 2020-03-11 | 2020-03-11 | Cooling fan detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116560318A (en) * | 2023-05-12 | 2023-08-08 | 江苏嘉之瑞电子科技有限公司 | Detection system for quality control of fan snap ring installation link |
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Application publication date: 20200609 |