CN204988240U - Automatic measuring equipment - Google Patents

Abstract

The utility model relates to an automatic measuring device. The automatic measuring device includes a measuring mechanism, a telescopic mechanism and a fixed frame; , the telescopic mechanism is fixed on the fixed frame; the measuring mechanism includes a movable claw, a fixed claw for cooperating with the movable claw to clamp the material to be measured, and a second claw for driving the movable claw to move in a direction perpendicular to the telescopic direction of the telescopic arm. The second driving device, the displacement sensor used to output the distance between the movable claw and the fixed claw as an electrical signal, the fixed claw and the second driving device are all fixed on the connecting plate, and the movable claw is guided and matched with the connecting plate. The problem of high labor intensity and low measurement efficiency of manual measurement is solved.

Description

automatic measuring device

technical field

The utility model relates to the field of measuring devices, in particular to an automatic measuring device.

Background technique

Most of the dimensional measurement methods in the current industrial production are manually measured with measuring tools. When this method encounters a detection environment that some operators cannot directly enter, it is necessary to transfer the materials to be measured, resulting in labor intensity for manual measurement. Large and low measurement efficiency, and the current manual measurement cannot meet the production line requirements of the processing industry.

Utility model content

The purpose of this utility model is to provide an automatic measuring device to solve the problems of high labor intensity and low measurement efficiency of manual measurement.

The technical scheme of the utility model is: an automatic measuring device, the automatic measuring device includes a measuring mechanism, a telescopic mechanism and a fixed frame; The fixed connecting plate and the telescopic mechanism are fixed on the fixed frame; the measuring mechanism includes movable claws, fixed claws used to cooperate with the movable claws to clamp the material to be measured, and used to drive the movable claws in the direction perpendicular to the telescopic direction of the telescopic arm. The second driving device for upward movement, the displacement sensor for outputting the distance between the movable claw and the fixed claw as electrical signals, the fixed claw and the second driving device are all fixed on the connecting plate, and the movable claw is guided and matched with the connecting plate.

The displacement sensor includes an encoder, a rotating shaft, a rack fixed on the movable claw, and a gear meshed with the rack; the rotating shaft is rotatably connected to the connecting plate, and the main shaft and the gear of the encoder are fixedly connected to the rotating shaft and can be coaxial rotate.

The automatic measuring device also includes a mechanism box composed of a plurality of connecting plates, the measuring mechanism is fixed on the mechanism box, and a support plate is arranged inside the mechanism box, and the main shaft and the rotating shaft of the encoder are fixed on the support plate. One end is coaxially fixedly connected, and the other end of the encoder and the rotating shaft is respectively fixed on two opposite side plates of the mechanism box.

The mechanism box is provided with a guide column that guides and cooperates with the movable claw.

The rotating shaft is rotatably connected to the connecting plate through a bearing.

At least one of the first driving device and the second driving device is a telescopic cylinder.

Both the clamping ends of the fixed claw and the movable claw are provided with rotatable rollers.

The beneficial effects of the utility model are: the automatic measuring device includes a measuring mechanism, a telescopic mechanism and a fixed frame; The mechanism is fixed on the fixed frame; the measuring mechanism includes a movable claw, a fixed claw, a displacement sensor, and a second drive device for driving the movable claw. The fixed claw and the second drive device are fixed on the connecting plate, and the movable claw and the connecting plate Guidance cooperation, during measurement, the telescopic arm can drive the measuring mechanism to move to the position of the material to be measured, and then drive the movable claw through the second driving device, the movable claw and the fixed claw cooperate to clamp the material to be measured, and the displacement sensor connects the movable claw with the fixed claw. The distance between the fixed claws is output as an electrical signal. Compared with the traditional measuring device, this device can be applied to the detection environment where the detection personnel cannot enter by adjusting the fixed frame, and the detection result is an electrical signal, which can facilitate remote control, The dimensional accuracy of the measurement is high, the measurement efficiency is high, and the labor intensity of manual measurement is small.

Furthermore, the displacement sensor includes an encoder, a rotating shaft, a rack fixed on the movable claw, and a gear meshed with the rack; the rotating shaft is rotatably connected to the connecting plate, and the main shaft and gear of the encoder are fixedly connected to the rotating shaft And it can rotate on the same axis, and the linear displacement of the movable claw is converted through the meshing structure of the gear and the rack, so that the measuring device is less affected by the outside world, the measurement result is stable and reliable, and the dimensional accuracy of the measurement is high.

Further, the automatic measuring device also includes a mechanism box composed of multiple connecting plates, the measuring mechanism is fixed on the mechanism box, a support plate is arranged inside the mechanism box, and the encoder and the other end of the rotating shaft are respectively fixed on On the two opposite side plates of the mechanism box, by installing the measuring mechanism on the mechanism box composed of multiple connecting plates, the fixing of the measuring mechanism is more stable and the measurement results are more accurate.

Furthermore, the clamping ends of the movable claw and the measuring claw are provided with rotatable rollers, which can ensure that the movable claw and the fixed claw will not scratch the surface of the material to be measured during the measurement process.

Description of drawings

Fig. 1 is the front view of the embodiment of automatic measuring device;

Fig. 2 is the axonometric view of the embodiment of automatic measuring device;

Fig. 3 is the assembly axonometric view of connecting plate and measuring mechanism in Fig. 1;

Fig. 4 is the assembly front view of connecting plate and measuring mechanism in Fig. 1;

Fig. 5 is the assembly schematic diagram of connecting plate and measuring mechanism in Fig. 1;

Fig. 6 is a left side view of Fig. 4 .

detailed description

Embodiment of a kind of automatic measuring device of the present utility model: as shown in Fig. 1-Fig. 1, the measuring mechanism 3 is fixed on the telescopic mechanism 2, and the telescopic mechanism 2 drives the measuring mechanism 3 to move. Telescopic mechanism 2 comprises telescopic arm 21, telescopic cylinder 22 and connecting plate 23 fixed with telescopic arm;

The measuring mechanism 3 includes a mechanism box 31, a bearing 322, a bearing 321, a telescopic cylinder 33, a movable claw 34, a fixed claw 35 for cooperating with the movable claw 34 to clamp the material to be measured, a displacement sensor, and the displacement sensor includes a rotating shaft 36 fixed on The rack 37 on the movable claw 34, the gear 38 cooperating with the rack 37, the encoder 39 coaxially fixed with the gear, and the fixed claw 35 is the bottom plate of the mechanism box 31.

The mechanism box 31 is provided with a support plate 311, the bearing 321 is fixed on the support plate 311, the bearing 322 is fixed on the side plate 312, and the two ends of the rotating shaft 36 are respectively provided with bearing installation parts that cooperate with the bearing 321 and the bearing 322, and the rotating shaft 36 One end is installed on the support plate 311 and is fixedly connected with the main shaft of the encoder 39 , the main shaft of the encoder 39 and the rotating shaft 36 rotate coaxially when rotating, and the encoder 39 is fixed on the side plate 313 . The rotating shaft 36 is also provided with a gear mounting part, the gear 38 is fixed on the gear mounting part on the rotating shaft 36, the gear 38 meshes with the rack 37 to drive the rotating shaft 36 to rotate, and the gear 38 rotates coaxially with the encoder main shaft. By installing the measuring mechanism on the mechanism box 31, the fixing of the measuring mechanism 3 is more stable, and the measurement result is more accurate.

The connecting plate 23 is fixedly connected with the top plate 314 of the mechanism box 31, and the connecting portion between the connecting plate 23 and the top plate 314 is provided with a U-shaped opening. 33 is fixed on the top plate 314 and passes through the U-shaped hole on the connecting plate 23. The piston rod 331 in the telescopic cylinder 33 is fixed with a movable claw 34 at one end in the mechanism box 31, and the movable claw 34 is formed by the piston rod in the telescopic cylinder 33. 331 is driven to perform telescopic movement, and the moving direction of the movable claw 34 is perpendicular to the telescopic direction of the telescopic arm 21 . The mechanism box 31 is provided with a guide column 342 guiding and cooperating with the movable claw 34 . The holding ends of the movable claws 34, 35 are provided with rollers 341 and 351, which can prevent the claws from scratching the surface of the material to be measured.

When the automatic measuring device is working, the telescopic arm 21 of the telescopic mechanism 2 retracts, driving the measuring mechanism 3 to the top of the material to be detected, the telescopic cylinder 33 of the measuring mechanism 3 works, the movement of the piston rod 331 drives the movement of the movable claw 34, and the movement of the movable claw 34 The direction of motion is perpendicular to the telescopic direction of the telescopic arm 21, and the movable pawl 34 moves linearly under the guidance of the guide post 342, while the rack 37 fixed on the movable pawl 34 moves to drive the gear 38 meshed with the rack 37 to rotate, and the rotating shaft 36. The encoder spindle rotates coaxially with the gear 38 until the movable claw 34 and the fixed claw 35 clamp the material to be tested. Since the rack 37 meshes with the gear 38 and the rotating shaft 36 and the encoder spindle rotate coaxially with the gear 38, so The linear displacement of the movable claw 34 can be converted into the angular displacement of the gear, and the signal is transmitted to the encoder 39 through the rotating shaft 36 to be converted into an electrical signal, and the size of the material to be measured can be obtained by extracting the electrical signal. The device can be applied to the detection environment where the detection personnel cannot enter by adjusting the fixed frame 1, and the detection result is an electrical signal, which can facilitate remote control, high measurement efficiency, low labor intensity of manual measurement, and a gear and rack meshing structure Converting the linear displacement of the movable claws makes the structure of the measuring device stable and reliable, and the dimensional accuracy of the measurement is high.

In other embodiments of the present utility model, the telescopic cylinder can also be a hydraulic cylinder, or a driving device composed of a motor and a connecting rod slider transmission mechanism; the fixed claw can also be fixed on the mechanism box top plate; the mechanism box can also be omitted, and the measuring mechanism is fixed on the connecting plate; the fixed claw and the bottom plate of the mechanism box can not be integrated design, and the fixed claw is fixedly connected with the bottom plate of the mechanism box; The displacement sensor composed of gear, gear, rack and rotating shaft can also be a resistive displacement sensor.

Claims (7)

1. a self-operated measuring unit, is characterized in that: described self-operated measuring unit comprises measuring mechanism, telescoping mechanism and fixed frame; Telescoping mechanism comprises telescopic arm, drives the first drive unit of telescopic arm motion and the web joint fixing with telescopic arm, and telescoping mechanism is fixed on fixed frame; Measuring mechanism comprises movable claw, for coordinating the fixed claw, the second drive unit for driving movable claw to move upward in the side that telescopic arm telescopic direction is perpendicular, the displacement transducer for the distance between movable claw and fixed claw being exported with electric signal that clamp material to be measured with movable claw, fixed claw, the second drive unit are all fixed on web joint, and movable claw leads with web joint and coordinates.

2. self-operated measuring unit according to claim 1, is characterized in that: described displacement transducer comprise scrambler, rotating shaft, the tooth bar be fixed on movable claw, with tooth bar meshed gears; Rotating shaft and web joint are rotatably connected, and the main shaft of scrambler is all fixedly connected with rotating shaft with gear and can coaxial rotating.

3. self-operated measuring unit according to claim 2, it is characterized in that: described self-operated measuring unit also comprises the mechanism's box be made up of polylith web joint, measuring mechanism is fixed on mechanism's box, mechanism's box inside is provided with back up pad, the main shaft of described scrambler is coaxially fixedly connected with one end on the supporting plate fixing in rotating shaft, and scrambler and other one end of rotating shaft are separately fixed on the relative side plate of two, mechanism's box.

4. self-operated measuring unit according to claim 3, is characterized in that: be provided with the guidepost coordinated that to lead with movable claw in described mechanism's box.

5. the self-operated measuring unit according to Claims 2 or 3 or 4, is characterized in that: described rotating shaft is rotatably connected by bearing and web joint.

6. the self-operated measuring unit according to any one of claim 1-4, is characterized in that: the first described drive unit, the second drive unit at least one be telescopic cylinder.

7. the self-operated measuring unit according to any one of claim 1-4, is characterized in that: the end that holds of described fixed claw and movable claw is provided with rotating roller.