Rotary measuring mechanism

Abstract

The utility model relates to the technical field of measurement, and discloses a rotation measuring mechanism. The rotation measuring mechanism comprises a bearing plate, the bearing plate is provided with an installation hole, and two ends of the bearing plate are respectively provided with a T-shaped support. The rotating platform is arranged at one end of the mounting hole, a triple air cylinder is arranged on a rotating disc of the rotating platform, three pneumatic claws are arranged at the output end of the triple air cylinder, the clamping faces of the three pneumatic claws are arranged in an arc shape, and the length of one pneumatic claw is larger than that of the other two pneumatic claws; and the driving mechanism is arranged at one end, far away from the rotating platform, of the mounting hole and is used for driving the rotating platform to drive the triple cylinder to rotate. The rotary measuring mechanism solves the problem that traditional measuring equipment cannot automatically adjust the angle of a part, needing to be measured, of a cylindrical product, positioning at different angles is carried out through full-automatic rotation, and the measuring efficiency of the cylindrical product is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of measurement, specifically is a kind of rotary measurement mechanism. BACKGROUND

[0002] Visual measurement technology has the advantages of high precision, high resolution, non-contact measurement, etc., and is widely used in many fields. In the field of industrial manufacturing, visual measurement equipment is used to measure the size and shape of various parts with high precision. For example, cylindrical products often need to measure size, thickness, flatness, hole pitch and hole position data at different orientations during production.

[0003] With the rapid development of industrial production automation technology, the measurement speed and efficiency of visual measurement equipment are increasingly required. Currently, visual measurement equipment needs to be equipped with different measurement fixtures or jigs to measure cylindrical products at different orientations. However, general fixtures or jigs cannot automatically place cylindrical products at different angles, and often require manual placement at different angles to complete the measurement work. This results in high manufacturing costs and low measurement efficiency of the measurement equipment.

[0004] Therefore, there is an urgent need for a rotary measurement mechanism to solve the above problems. SUMMARY

[0005] Based on the above, the purpose of the utility model is to provide a rotary measurement mechanism to solve the problem that the measurement equipment in the prior art cannot automatically measure cylindrical products at multiple angles.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model provides a kind of rotary measurement mechanism, comprising:

[0008] Bearing plate, the bearing plate is equipped with mounting hole, the both ends of the bearing plate are installed with "T" type support respectively;

[0009] Rotary platform, is installed in one end of the mounting hole, the rotary disc of the rotary platform is equipped with three-in-one cylinder, the output end of the three-in-one cylinder is equipped with three gas claws, the clamping surface of three gas claws is arc-shaped, and the length of one gas claw is greater than that of the other two gas claws;

[0010] Driving mechanism, is installed in one end of the mounting hole away from the rotary platform, the driving mechanism is used to drive the rotary platform to drive the three-in-one cylinder to rotate.

[0011] As an alternative technical scheme of the rotation measuring mechanism, the output end of the triplex cylinder is provided with a limiting rod coaxial with the triplex cylinder, and the length of the limiting rod is greater than the length of the gas claw.

[0012] As an alternative technical scheme of the rotation measuring mechanism, the three gas claws are arranged at an interval of 120 degrees, and the clamping surface of the longer gas claw is provided with a positioning hole and a positioning protrusion.

[0013] As an alternative technical scheme of the rotation measuring mechanism, the driving mechanism comprises a driving motor and a speed reducer, and the two ends of the speed reducer are respectively drivingly connected to the output end of the driving motor and the rotating platform.

[0014] As an alternative technical scheme of the rotation measuring mechanism, the side of the bearing plate away from the rotating platform is provided with a connecting seat, the connecting seat is provided with a rotary connector, the rotary connector is connected with the triplex cylinder through a gas pipe at the rotating end, and the other end of the rotary connector is connected to an external pneumatic driving source in a lead-through mode.

[0015] As an alternative technical scheme of the rotation measuring mechanism, the rotating platform is a hollow rotating platform, the gas pipe is bent in a "Z" shape at the end close to the rotary connector, and the gas pipe is connected to the triplex cylinder through the hollow rotating platform.

[0016] As an alternative technical scheme of the rotation measuring mechanism, the body of the rotating platform is provided with a first limiting sensor, the side of the bearing plate away from the first limiting sensor is adjustably provided with a second limiting sensor, and the rotating disc of the rotating platform is provided with a limiting sensing sheet.

[0017] As an alternative technical scheme of the rotation measuring mechanism, the bearing plate is provided with a protective cover.

[0018] The beneficial effects of the utility model are as follows:

[0019] The utility model provides a kind of rotation measuring mechanism, which comprises a bearing plate, the bearing plate is provided with a mounting hole, and the two ends of the bearing plate are respectively provided with a "T"-shaped support;A rotating platform is arranged at one end of the mounting hole, the rotating disc of the rotating platform is provided with a triplex cylinder, the output end of the triplex cylinder is provided with three gas claws, and the clamping surface of the three gas claws is arranged in an arc shape, wherein the length of one of the gas claws is greater than the length of the other two gas claws;A driving mechanism is arranged at the end of the mounting hole away from the rotating platform, for driving the rotating platform to drive the triplex cylinder to rotate.

[0020] Under the above structure, the three cylinder gas drives three claws to relax, and the cylinder product to be measured is provided with a limiting rod and matched with the positioning hole or positioning block on the longer claw, the three cylinder gas drives three claws to clamp and fix the cylinder product, after one part of the cylinder product is detected by the measuring equipment, the rotating platform is driven by the driving motor to drive the three cylinder gas to rotate the cylinder product to the target angle, so that the measuring equipment measures other parts of the cylinder product; the adjustable installation mode of the second limiting sensor on the bearing plate can change the angle between the first limiting sensor, therefore, the angle to be detected of the cylinder product can be controlled and adjusted; the rotating measuring mechanism solves the problem that the traditional measuring equipment cannot automatically adjust the angle of the measuring part of the cylinder product, and automatically rotates to position at different angles, improving the measuring efficiency of the cylinder product. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the rotating measuring mechanism in the embodiment of the utility model;

[0022] Figure 2 It is a structure schematic view of the rotating measuring mechanism in another view angle in the embodiment of the utility model;

[0023] Figure 3 It is a partial structure schematic view of the rotating measuring mechanism in the embodiment of the utility model;

[0024] Figure 4 It is an exploded view of the rotating platform and the three cylinder gas in the embodiment of the utility model;

[0025] Figure 5 It is a structure schematic view of the claw in the embodiment of the utility model.

[0026] In the drawing:

[0027] 1, bearing plate; 10, "T" type support; 11, protective cover; 12, mounting hole;

[0028] 2, rotating platform; 20, rotating disc; 3, three cylinder gas; 30, claw; 301, clamping surface; 302, positioning hole; 303, positioning block; 31, limiting rod; 32, cylinder mounting seat;

[0029] 4, driving mechanism; 40, driving motor; 41, speed reducer; 5, connecting seat; 50, connecting piece; 51, rotating connector; 52, air pipe; 521, fixed sleeve; 53, first limiting sensor; 54, second limiting sensor; 55, limiting sensing sheet. DETAILED DESCRIPTION

[0030] The utility model will be further described in detail below with the drawings and examples. It can be understood that the specific examples described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0031] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0033] In the description of the embodiment, the terms "up", "down", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation of the utility model.

[0034] In the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0035] With the rapid development of industrial production automation technology, the measurement speed and efficiency of visual measurement equipment are increasingly required, at present, the visual measurement equipment needs to be equipped with different measurement fixtures or jigs to realize the measurement of the cylindrical product in different directions, and the general fixture or jig is difficult to realize the automatic placement of the cylindrical product at each angle, and often needs to be placed at different angles by manual operation to complete the measurement work, resulting in high manufacturing cost of the measurement equipment and low measurement efficiency. Therefore, the utility model provides a kind of rotary measurement mechanism to replace the traditional jig or fixture to solve the above technical problems.

[0036] As Figures 1-5 The utility model provides a kind of rotary measurement mechanism, the rotary measurement mechanism includes: bearing plate 1 is equipped with mounting hole 12, and the both ends of bearing plate 1 are respectively installed "T" type support 10;Rotary platform 2 is installed in one end of mounting hole 12, and three cylinder 3 is equipped on the rotary disc 20 of rotary platform 2, and the output end of three cylinder 3 is equipped with three air claws 30, and the clamping surface 301 of three air claws 30 is arc-shaped, and the length of one air claw 30 is greater than the length of other two air claws 30;Driving mechanism 4 is installed in one end of mounting hole 12 away from rotary platform 2, and driving mechanism 4 is used to drive rotary platform 2 to drive three cylinder 3 to rotate.

[0037] The utility model provides a kind of rotary measurement mechanism, and three cylinder 3 drives three air claws 30 to dilate, and the cylindrical product to be measured is equipped with limiting rod 31 and is matched with the positioning hole 302 or positioning boss 303 on the longer air claw 30, and three cylinder 3 drives three air claws 30 to clamp and fix the cylindrical product, after one part of the cylindrical product is detected by the measurement equipment, rotary platform 2 is driven by driving motor 40 to drive three cylinder 3 to drive the cylindrical product to rotate to target angle, so that the other part of the cylindrical product is measured by the measurement equipment;The adjustable installation mode of second limit sensor 54 on bearing plate 1 can change the angle between first limit sensor 53, therefore, the angle required to be detected by the cylindrical product is also controllable adjustment;The rotary measurement mechanism solves the problem that the traditional measurement equipment cannot automatically adjust the angle of the measurement part of the cylindrical product, and the full-automatic rotation is positioned at different angles, improves the measurement efficiency of the cylindrical product.

[0038] Specifically, as Figure 3As shown, the three air claws 30 are arranged at an angle of 120 degrees, that is, the three air claws 30 are arranged at equal intervals so that the air claws 30 can be uniformly stressed when clamping the cylindrical product, and the cylindrical product is clamped more stably to prevent the angle of the measured cylindrical product from deviating due to the deviation of the clamping force of the air claw 30 during rotation; among the three air claws 30, the length of the air claw 30 at the bottom is greater than that of the other two air claws 30, so that when the cylindrical product is placed between the three air claws 30, the longer air claw 30 at the bottom can first provide an upward lifting force to the cylindrical product, so that the cylindrical product to be detected is placed more accurately between the three air claws 30; in order to further improve the positioning of the cylindrical product between the air claws 30, a positioning hole 302 and a positioning block 303 are arranged on the clamping surface 301 of the longer air claw 30 (as shown in Figure 5 The measured cylindrical product generally has a positioning block or a positioning hole 302, and the cylindrical product can be placed on the air claw 30 at the target angle through the matching of the two, and the arrangement of the structure and the arc-shaped arrangement of the clamping surface 301 of the air claw 30 further enhance the clamping force of the air claw 30 on the cylindrical product, and improve the stability of the cylindrical product during rotation.

[0039] Further, the output end of the triple air cylinder 3 is provided with a limiting rod 31 coaxial with the triple air cylinder 3, and the length of the limiting rod 31 is greater than that of the three air claws 30, so that for those hollow cylindrical products, during measurement, the product to be measured is directly sleeved on the limiting rod 31, and then clamped by the air claw 30, and after the measurement of the product, the air claw 30 is loosened, and the product is directly taken off from the limiting rod 31. This arrangement facilitates the taking and placing of the product between the air claws 30, and improves the measurement efficiency of the cylindrical product.

[0040] In this embodiment, as shown in Figure 2 and Figure 3 The mounting hole on the bearing plate 1 is provided with two, that is, the rotary measurement mechanism can be a double-station structure to improve the measurement efficiency of the product; the rotary platform 2 is preferably a hollow rotary platform 2, so that when the rotary platform 2 is installed on the bearing plate 1, the hollow hole of the rotary platform 2 is in communication with the mounting hole 12, and the air pipe 52 providing air flow for the triple air cylinder 3 can pass through the mounting hole 12 and the hollow hole of the rotary platform 2 to connect with the triple air cylinder 3.

[0041] Specifically, the connecting piece 50 is installed on the side of the bearing plate 1 away from the rotating platform 2, the end of the connecting piece 50 away from the bearing plate 1 is provided with a connecting seat 5, the connecting seat 5 is provided with a rotary connector 51, the rotary connector 51 is connected with the gas pipe 52 between the rotating end and the triplex cylinder 3, and the other end of the rotary connector 51 is connected to the external pneumatic driving source in a lead-through mode; the end of the gas pipe 52 close to the rotary connector 51 is bent in a "Z" shape, in this embodiment, two gas pipes 52 are provided, and the "Z" shape bending structure prevents the two gas pipes 52 from winding each other when the triplex cylinder 3 reciprocates within a range of 180 degrees under the rotatable action of the rotary connector 51, which solves the winding problem between the multiple gas pipes 52 when the traditional rotary cylinder rotates, and improves the stability and service life of the rotary measuring mechanism; in order to prevent the triplex cylinder 3 from touching the rotating disc 20 on the rotating platform 2 during rotation and causing abrasion of the gas pipe 52, a circular fixing sleeve 521 is sleeved on the position of the two gas pipes 52 in the hollow hole of the rotating platform 2.

[0042] As shown in Figure 1 and Figure 4 , the triplex cylinder 3 is fixed on the rotating disc 20 through the cylinder mounting seat 32; the rotating platform 2 is provided with a first limit sensor 53 on the body, the side of the bearing plate 1 away from the first limit sensor 53 is provided with an adjusting block, the adjusting block is provided with a second limit sensor 54, and the angle between the second limit sensor 54 and the first limit sensor 53 can be adjusted through the adjusting block; the rotating disc 20 of the rotating platform 2 is provided with a limit sensing sheet 55, and the limit sensing sheet 55, the first limit sensor 53 and the second limit sensor 54 are arranged to enable the triplex cylinder 3 to accurately drive the clamped cylindrical product to rotate at a target angle, thereby improving the measurement effect of the cylindrical product.

[0043] In this embodiment, as shown in Figure 3 , the driving mechanism 4 includes a driving motor 40 and a speed reducer 41, and the two ends of the speed reducer 41 are respectively drivingly connected to the output end of the driving motor 40 and the rotating platform 2; the driving motor 40 is preferably a servo motor, which drives the rotating platform 2 to drive the triplex cylinder 3 and the clamped cylindrical product to rotate, thereby realizing the automatic detection of the cylindrical product at any angle on the measuring equipment.

[0044] Further, as shown in Figure 1 , the bearing plate 1 is provided with a protective cover 11, which can prevent dust and sundries from entering the rotating platform 2 and causing damage to the rotating platform 2, thereby improving the service life and stability of the rotary measuring mechanism.

[0045] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above in the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiment with equivalent changes is equivalent to the above embodiment. Any simple modification, equivalent change and modification of the above embodiment according to the present application technical solution are within the scope of the present application technical solution.

Claims

1. A rotary measuring mechanism, characterized by, The utility model relates to a kind of three-jaw chucking device, including: A bearing plate is provided with mounting hole, two ends of the bearing plate are respectively equipped with "T" type support; Rotary platform is installed in one end of the mounting hole, the rotary disc of the rotary platform is equipped with three-gang air cylinder, the output end of the three-gang air cylinder is equipped with three air claws, the clamping surface of three air claws is arc-shaped, the length of one air claw is greater than the length of other two air claws; Driving mechanism is installed in the end of the mounting hole away from the rotary platform, the driving mechanism is used to drive the rotary platform to drive the three-gang air cylinder to carry out rotary motion.

2. A rotary measuring mechanism according to claim 1, characterised in that The output end of the three-gang air cylinder is equipped with the same coaxial limiting rod as the three-gang air cylinder, the length of the limiting rod is greater than the length of the air claw.

3. A rotary measuring mechanism according to claim 2, wherein Three air claws are arranged at an interval of 120 degrees, wherein the clamping surface of the longer air claw is provided with positioning hole and positioning block.

4. A rotary measuring mechanism according to claim 1, wherein The driving mechanism includes driving motor and speed reducer, and the output end of the driving motor and the rotary platform are respectively driven and connected to the two ends of the speed reducer.

5. A rotary measuring mechanism according to claim 1, wherein The side of the bearing plate away from the rotary platform is equipped with connecting seat, the connecting seat is equipped with rotary connector, the rotary end of the rotary connector is connected with air pipe between the three-gang air cylinder, the other end of the rotary connector is connected to external pneumatic drive source.

6. A rotary measuring mechanism according to claim 5, wherein The rotary platform is hollow rotary platform, the end of the air pipe close to the rotary connector is "Z" shape bending, the air pipe is connected to the three-gang air cylinder by passing through the hollow rotary platform.

7. A rotary measuring mechanism according to claim 1, wherein The body of the rotary platform is equipped with first limit sensor, the side of the bearing plate away from the first limit sensor is adjustably equipped with second limit sensor, and the rotary disc of the rotary platform is equipped with limit sensing sheet.

8. A rotary measuring mechanism according to claim 7, wherein The bearing plate is equipped with protective cover.

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