CN212540637U - Automatic detection device for direct-voltage speed regulation switch - Google Patents
Automatic detection device for direct-voltage speed regulation switch Download PDFInfo
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- CN212540637U CN212540637U CN202021086432.6U CN202021086432U CN212540637U CN 212540637 U CN212540637 U CN 212540637U CN 202021086432 U CN202021086432 U CN 202021086432U CN 212540637 U CN212540637 U CN 212540637U
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Abstract
The utility model discloses a vertical compression speed governing switch automatic checkout device, include and set up a switch seat on detecting the base plate, on this position was arranged in to vertical compression speed governing switch, after vertical compression speed governing switch was fixed, the pressure gauge was located on the guide rail, received the servo motor drive, its head of exerting pressure was supported and is pushed down the pressure crown, again by the stroke of the pressure head is exerted to laser range finder accurate control, a detection circuitry connects laser range finder, pressure gauge, servo motor and vertical compression speed governing switch, detects the pressure of exerting pressure, the stroke of exerting pressure, the resistance value of speed governing switch, the utility model discloses an automatic detection, detection circuitry is connected with demonstration and audio prompt, detects error-free, and is efficient.
Description
Technical Field
The utility model relates to an automated inspection technique especially relates to a vertical compression speed governing switch automatic checkout device.
Background
In the prior art, when the detection quality of a direct-voltage speed regulation switch of an electric tool is good or bad, manual measurement is generally adopted, the measurement method is low in efficiency, and the consistency of measurement results is poor. Especially, in mass production, manual detection cannot adapt to the production scale.
In order to avoid errors caused by manual detection and to improve detection efficiency, an automatic detection device should be manufactured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical compression speed governing switch automatic checkout device reduces detection error and improves detection efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize:
designing and manufacturing a direct-voltage speed regulation switch automatic detection device, which comprises:
the detection substrate is provided with a switch seat, a direct-pressure speed regulation switch is arranged on the switch seat and is fixed by a pressing plate, a pressing handle head of the direct-pressure speed regulation switch is right opposite to a pressing head of a pressure gauge, and the pressure gauge is connected with a sliding block through a bracket;
a servo motor drives the slide block to slide on the guide rail, so that the pressing head is pressed against the pressing handle head, the pressing handle rod is compressed to retract towards the direct-pressure speed regulating switch body, the volume resistance value of the direct-pressure speed regulating switch body is changed, and the resistance data is transmitted to the detection circuit through a signal line;
a reflector plate connected with the bracket;
a laser range finder is fixedly connected with the detection substrate, sends out ranging light to detect the distance between the reflector plate and the laser range finder, and distance data are transmitted to the detection circuit to calculate the stroke of the pressure applying head.
When the pressure gauge is used for pressing the head, pressure data are output to the detection circuit from a data line interface of the pressure gauge.
The pressing head presses the pressing handle head, and when the pushing is larger than 2.7mm, the resistance data transmitted from the signal wire increases from 1K omega.
The pressing head presses the pressing handle head, and when the pressing head is pushed for 7.5mm, the resistance data transmitted from the signal wire reaches 20K omega.
The utility model has the advantages that: after the vertical compression speed governing switch is fixed, the pressure gauge is located on the guide rail, receives the servo motor drive, and its head of exerting pressure is pushed down and is pressed the crown, by the stroke of the pressure head is exerted to laser range finder accurate control again, and detection circuitry connects laser range finder, pressure gauge, servo motor and vertical compression speed governing switch, detects the resistance value of pressure of exerting pressure, stroke, speed governing switch of exerting pressure, the utility model discloses an automatic detection, detection circuitry is connected with demonstration and sound suggestion, detects error-free, and is efficient.
Drawings
Fig. 1 is an overall front view schematic diagram of the automatic detection device for the direct-voltage speed-regulating switch of the present invention;
fig. 2 is a top view of the automatic detection device for a direct-voltage speed-regulating switch of the present invention, which is intended to show a schematic view of the distance measuring light 41 of the laser distance measuring device 4 when it is emitted to the reflection plate 15;
fig. 3 is a schematic diagram of the direct-voltage speed-regulating switch according to the present invention, in which the resistance value of the direct-voltage speed-regulating switch increases with the increase of the pressed stroke.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, an automatic detection device for a direct-pressure speed-regulating switch is designed and manufactured, the device comprises a detection substrate 5, a switch seat 52 is arranged on the detection substrate 5, the direct-pressure speed-regulating switch 3 is arranged on the position and is fixed by a pressure plate 53, a pressure handle head 32 of the direct-pressure speed-regulating switch 3 is right opposite to a pressure applying head 11 of a pressure gauge 12, and the pressure gauge 12 is connected with a sliding block 14 through a bracket 13;
a servo motor 22 drives the slide block 14 to slide on the guide rail 21, so that the pressing head is pressed against the pressing handle head 32, the pressing handle rod 31 retracts towards the body of the direct-pressure speed regulating switch 3, the body resistance value of the direct-pressure speed regulating switch 3 is changed, and the resistance data is transmitted to the detection circuit through a signal wire 33;
a reflection plate 15 connected to the bracket 13;
a laser range finder 4 is fixedly connected with the detection substrate 5, the distance measuring light 41 detects the distance between the reflector 15 and the laser range finder 4, the distance data is transmitted to the detection circuit, and the stroke of the pressure applying head 11 is calculated.
The pressure gauge 12 outputs pressure data from a data line interface 16 of the pressure gauge 12 to a detection circuit when the head 11 is pressed.
The pressing head 11 is pressed against the pressing crown 32, and when the pushing is larger than 2.7mm, the resistance data transmitted from the signal line 33 starts to increase from 1K Ω.
The pressing head 11 is pressed against the pressing crown 32, and when 7.5mm is pushed, the resistance data transmitted from the signal wire 33 reaches 20K omega.
As shown in fig. 1, a trigger handle 35 is sleeved on the handle pressing head 32, and when the trigger handle is pressed by the pressing head 11, the distance between the force bearing point of the trigger handle and the force bearing point of the handle pressing head is 1.41 mm.
When the direct-pressure speed regulation switch starts to work, the pressure applying head 11 is reset, the distance from the pressure handle head 32 to the pressure handle head is 19.7mm, the distance from the trigger handle 35 to the direct-pressure speed regulation switch body is 8.3mm, and the distance is the limit distance shown in fig. 3.
As shown in FIG. 1, the laser range finder can be selected from various types, for example, an H-PT50 high-precision laser range finder can be selected, the red laser is 670nm, the precision is 0.01mm, and the detection distance is 40-60 mm.
The high-precision H-PT50 laser ranging sensor is a protection grade IP67, small in overall size, easy to install, complete in setting function, convenient to operate, provided with an RS485 digital output function and an M12 standard connector. The method can be used for relative distance position detection, height detection and the like.
Of course, laser range finders with similar performance indexes can be selected.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there may be variations in the specific implementation and application range according to the spirit of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (3)
1. The automatic detection device for the direct-pressure speed regulation switch is characterized by comprising a detection substrate (5), wherein a switch base (52) is arranged on the detection substrate (5), the direct-pressure speed regulation switch (3) is arranged on the position and is fixed by a pressure plate (53), a pressure handle head (32) of the direct-pressure speed regulation switch (3) is right opposite to a pressure applying head (11) of a pressure gauge (12), and the pressure gauge (12) is connected with a sliding block (14) through a support (13);
a servo motor (22) drives a sliding block (14) to slide on a guide rail (21), so that a pressing head is pressed against a pressing handle head (32), a pressing handle rod (31) retracts towards the body of the direct-pressure speed regulating switch (3), the body resistance value of the direct-pressure speed regulating switch (3) changes, and the resistance data is transmitted to a detection circuit through a signal wire (33);
a reflection plate (15) connected to the bracket (13);
a laser range finder (4) is fixedly connected with the detection substrate (5), the distance measuring light (41) detects the distance between the reflecting plate (15) and the laser range finder (4), the distance data is transmitted to the detection circuit, and the stroke of the pressure applying head (11) is calculated.
2. The automatic detection device of the direct-voltage speed-regulating switch according to claim 1, characterized in that the pressure gauge (12) outputs pressure data from a data line interface (16) of the pressure gauge (12) to a detection circuit when the pressure gauge (11) is applied.
3. The automatic detecting device of the direct-voltage speed-regulating switch according to claim 1, characterized in that the pressing head (11) is pressed against the pressing handle head (32), and when the pushing is larger than 2.7mm, the resistance data transmitted from the signal wire (33) is increased from 1K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021086432.6U CN212540637U (en) | 2020-06-13 | 2020-06-13 | Automatic detection device for direct-voltage speed regulation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021086432.6U CN212540637U (en) | 2020-06-13 | 2020-06-13 | Automatic detection device for direct-voltage speed regulation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212540637U true CN212540637U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021086432.6U Active CN212540637U (en) | 2020-06-13 | 2020-06-13 | Automatic detection device for direct-voltage speed regulation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212540637U (en) |
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2020
- 2020-06-13 CN CN202021086432.6U patent/CN212540637U/en active Active
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