High-precision universal detection jig for form and location tolerance of aspheric asymmetric trimming part

Abstract

The utility model belongs to the field of detection tools, and particularly relates to a high-precision universal detection jig for form and location tolerance of an aspheric asymmetric trimming part, which comprises a workbench, a detection mechanism and a control module. A support is arranged on the workbench, a detection mechanism is arranged on the support, a control module and a placement plate are arranged on the workbench, the detection mechanism is connected with the control module, an aspheric asymmetric part is arranged on the placement plate, and the detection mechanism is connected with the aspheric asymmetric part; the detection mechanism comprises a cylinder, a circular plate, an annular plate, a mounting plate, an industrial camera, a sleeve, a clamping plate, a motor and a gear, the cylinder is fixedly mounted on the support, and the clamping plate is arranged at one end of the cylinder and is in contact connection with the aspheric asymmetric part. According to the utility model, through the cooperation of all the components, the effect of accurately detecting the trimming geometric tolerance of the aspheric asymmetric part can be realized, the detection direction of the aspheric asymmetric part can be automatically adjusted, and the convenience and the efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection tool technical field especially relates to a kind of aspheric surface asymmetric edge cutting part shape tolerance high-precision universal detection fixture. BACKGROUND

[0002] After processing, the part will have dimensional tolerance, so the actual shape of the point, line and surface constituting the geometric characteristics of the part or the mutual position is different from the shape and mutual position specified by the ideal geometric body. The difference in shape is the shape tolerance, and the difference in mutual position is the position tolerance. These differences are collectively referred to as shape and position tolerance.

[0003] In the prior art, the method for detecting shape and position tolerance can use a three-coordinate measuring instrument. During testing, a reference point and a reference surface need to be set, and then the test plane is measured one by one to obtain the shape and position tolerance of the test plane. To solve the above problem, the document with application number 201921629164.5 discloses a shape and position tolerance detection device, which includes a main frame, a micrometer, a support for the micrometer, and a bottom end fixing device. The micrometer is used to detect the shape and position tolerance of the test plane. The test plane is provided on a test part that includes a reference plane and a reference hole. The support includes a first support and a second support. The first support and the second support are oppositely arranged relative to the main frame, and the micrometer is provided on both the first support and the second support. The bottom end fixing device is provided at the bottom end of the main frame and is used to fix the test part.

[0004] After reading the above patent document, the following problems are found: During use, manual operation is required, and the position data obtained by contact needs to be recorded, which results in the need to adjust the detection device for detecting another position of the part after completing the detection of one position of the part, and then compare it with the standard shape model to determine whether the shape tolerance is within the allowable range. This is time-consuming and labor-intensive, and the measurement flexibility is not sufficient, so there is room for improvement.

[0005] Therefore, we propose a kind of aspheric surface asymmetric edge cutting part shape tolerance high-precision universal detection fixture to solve the above problems. Utility model content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes a kind of aspheric surface asymmetric edge cutting part shape tolerance high-precision universal detection fixture.

[0007] To achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A kind of aspheric surface asymmetric edge cutting part shape tolerance high-precision universal detection fixture, including workbench, detection mechanism and control module.

[0009] The workbench is provided with a support, a detection mechanism is arranged on the support, a control module and a placing plate are arranged on the workbench, the detection mechanism is connected with the control module, and an aspherical asymmetric part is arranged on the placing plate, and the detection mechanism is connected with the aspherical asymmetric part.

[0010] The detection mechanism comprises a cylinder, a circular plate, a ring plate, a mounting plate, an industrial camera, a sleeve, a clamping plate, a motor and a gear, the cylinder is fixedly installed on the support, one end of the cylinder is provided with the clamping plate, the clamping plate is in contact with the aspherical asymmetric part, and the cooperation between the workbench, the support, the detection mechanism and the control module can not only realize the effect of accurately detecting the edge shape tolerance of the aspherical asymmetric part, but also can automatically adjust the detection direction of the aspherical asymmetric part, thereby improving the convenience and efficiency.

[0011] Specifically, the output end of the cylinder is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with a circular plate, the circular plate is rotatably sleeved with a ring plate, the ring plate is fixedly connected with a mounting plate, the mounting plate is fixedly installed with an industrial camera, the industrial camera corresponds to the aspherical asymmetric part, the industrial camera is connected with the control module, the telescopic rod is slidably sleeved with a sleeve, one end of the sleeve is fixedly connected with the clamping plate, the telescopic rod is driven by the cylinder to slide downward in the sleeve and act on the spring, at this time, the clamping plate fixes the aspherical asymmetric part through the interaction force between the spring and the sleeve.

[0012] Specifically, the sleeve is fixedly installed with a spring, one end of the spring corresponds to the telescopic rod, and the effect of starting buffering is achieved, so as to avoid hard damage between the clamping plate, the sleeve, the telescopic rod and the aspherical asymmetric part.

[0013] Specifically, the circular plate is fixedly installed with a motor, the output end of the motor penetrates through the circular plate and is fixedly connected with a gear, the circular plate is fixedly sleeved with a bearing, the outer wall of the bearing is fixedly connected with the ring plate, an installation groove is formed in the ring plate, and a gear ring is fixedly installed in the installation groove, the gear is meshedly connected with the gear ring, and the industrial camera is moved and adjusted through the driving of the motor and the transmission of the gear, the gear ring, the ring plate, the circular plate and the mounting plate, so as to achieve the effect of photographing different positions of the aspherical asymmetric part, and the shape and position tolerances of different positions of the aspherical asymmetric part are automatically detected.

[0014] Specifically, the motor is connected with the control module, and the motor is driven and controlled through the control module.

[0015] Specific, the clamping plate and the placement plate are provided with anti-skid pads, the two anti-skid pads are connected with the aspherical asymmetric part in contact, and stability is improved.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) the utility model discloses a kind of aspherical asymmetric edge cutting part shape tolerance high-precision universal detection fixture, the effect of being reached to the part image shooting by the action of the industrial camera, image information is simultaneously transferred to the control module, then, the effect of high-precision detection to the part is realized by the action of the control module calculation the part image circumscribed rectangle and minimum circumscribed rectangle, and calculating and analyzing shape tolerance, whether the edge cutting of the part is in tolerance range is analyzed, to further improve the convenience and efficiency.

[0018] (2) the utility model discloses a kind of aspherical asymmetric edge cutting part shape tolerance high-precision universal detection fixture, by the drive of the motor and the transmission of the gear, the gear ring, the ring plate, the circular plate and the mounting plate, so as to reach the effect of moving adjustment to the industrial camera, to further reach the effect of shooting to the different positions of the part, to further realize the effect of detecting the shape tolerance of different positions of the part automatically. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and the structure, proportion, size, etc. shown in the description are only used to cooperate with the content disclosed in the description, so as to be understood and read by those skilled in the art, and not to limit the implementation conditions of the utility model, so it has no technical substantial meaning, any modification of structure, change of proportion relationship or adjustment of size.

[0020] Figure 1 A three-dimensional structure schematic diagram of a kind of aspherical asymmetric edge cutting part shape tolerance high-precision universal detection fixture is provided for the utility model;

[0021] Figure 2 A detection mechanism schematic diagram of a kind of aspherical asymmetric edge cutting part shape tolerance high-precision universal detection fixture is provided for the utility model;

[0022] Figure 3 A sleeve dissection schematic diagram of a kind of aspherical asymmetric edge cutting part shape tolerance high-precision universal detection fixture is provided for the utility model;

[0023] Figure 4The utility model provides a kind of high-precision general detection jig of non-spherical asymmetric edge cutting part shape and position tolerance, and the detection mechanism is the schematic diagram of looking up.

[0024] Figure 5 For Figure 4 The enlarged structure schematic diagram of A in the middle.

[0025] In the figure: 1, workbench;2, support;3, detection mechanism;4, placement plate;5, part;6, control module;7, gear ring;8, spring;9, telescopic rod;31, air cylinder;32, round plate;33, ring plate;34, mounting plate;35, industrial camera;36, sleeve;37, clamping plate;38, motor;39, gear. DETAILED DESCRIPTION

[0026] The following specific embodiments illustrate the embodiments of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification. Obviously, the described embodiments are part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] Refer to Figures 1-5 A kind of non-spherical asymmetric edge cutting part shape and position tolerance high-precision general detection jig, including workbench 1, detection mechanism 3 and control module 6;

[0028] Support 2 is equipped on workbench 1, detection mechanism 3 is equipped on support 2, control module 6 and placement plate 4 are equipped on workbench 1, detection mechanism 3 is connected with control module 6, placement plate 4 is provided with non-spherical asymmetric part, detection mechanism 3 is connected with non-spherical asymmetric part;

[0029] Detection mechanism 3 includes air cylinder 31, round plate 32, ring plate 33, mounting plate 34, industrial camera 35, sleeve 36, clamping plate 37, motor 38 and gear 39, air cylinder 31 is fixedly installed on support 2, one end of air cylinder 31 is equipped with clamping plate 37, clamping plate 37 is connected with non-spherical asymmetric part, and the cooperation design between workbench 1, support 2, detection mechanism 3 and control module 6 can not only realize the effect that the edge cutting shape and position tolerance of non-spherical asymmetric part is accurately detected, but also can achieve automatic adjustment to the detection direction of non-spherical asymmetric part, improve convenience and efficiency.

[0030] In this way, the output end of the air cylinder 31 is fixedly connected with the telescopic rod 9, one end of the telescopic rod 9 is fixedly connected with the circular plate 32, the circular plate 32 is rotatably sleeved with the ring plate 33, the ring plate 33 is fixedly connected with the mounting plate 34, the industrial camera 35 is fixedly installed on the mounting plate 34, the industrial camera 35 corresponds to the aspherical asymmetric part, the industrial camera 35 is connected with the control module 6, and the industrial camera 35 can achieve the effect of shooting the image of the aspherical asymmetric part. The image information is transmitted to the control module 6, then the control module 6 is used to calculate the circumscribed rectangle and the minimum circumscribed rectangle of the part image, analyze the shape and position tolerance, analyze whether the edge cutting of the aspherical asymmetric part is within the tolerance range, and then realize the effect of high-precision detection of the aspherical asymmetric part. The specific structure and working principle of the industrial camera 35 can be referred to the document with the application number 202010920126.6, which is prior art and will not be described in detail. The telescopic rod 9 is slidably sleeved with the sleeve pipe 36, one end of the sleeve pipe 36 is fixedly connected with the clamping plate 37, the telescopic rod 9 is driven by the air cylinder 31 to slide downward in the sleeve pipe 36 and act on the spring 8, and at this time, the clamping plate 37 is fixedly held on the aspherical asymmetric part through the interaction force between the spring 8 and the sleeve pipe 36.

[0031] In this way, the spring 8 is fixedly installed in the sleeve pipe 36, one end of the spring 8 corresponds to the telescopic rod 9, and the effect of starting the buffer is achieved to avoid hard damage between the clamping plate 37, the sleeve pipe 36, the telescopic rod 9 and the aspherical asymmetric part.

[0032] In this way, the electric motor 38 is fixedly installed on the circular plate 32, the output end of the electric motor 38 penetrates through the circular plate 32 and is fixedly connected with the gear 39, the bearing is fixedly sleeved on the circular plate 32, the outer wall of the bearing is fixedly connected with the ring plate 33, the mounting groove is formed in the ring plate 33, the gear ring 7 is fixedly installed in the mounting groove, the gear 39 is in meshing connection with the gear ring 7, the electric motor 38 is driven, and the gear 39, the gear ring 7, the ring plate 33, the circular plate 32 and the mounting plate 34 are in transmission, so that the industrial camera 35 is moved and adjusted, different positions of the aspherical asymmetric part are shot, and the shape and position tolerance of different positions of the part are detected.

[0033] In this way, the electric motor 38 is connected with the control module 6, and the control module 6 drives and controls the electric motor 38.

[0034] In this way, the clamping plate 37 and the placing plate 4 are provided with anti-skid pads, and the two anti-skid pads are in contact connection with the aspherical asymmetric part to improve stability.

[0035] Working principle: when in use, the air cylinder 31, the electric motor 38 and the industrial camera 35 are driven and controlled by the control module 6.

[0036] Firstly, the aspherical asymmetric part is placed between the placing plate 4 and the clamping plate 37, then the air cylinder 31 is started, the telescopic rod 9 is driven to slide downwards in the sleeve 36 and acts on the spring 8, at this time, the clamping plate 37 is fixed to the aspherical asymmetric part through the interaction force of the spring 8 and the sleeve 36; in this process, the telescopic rod 9 drives the industrial camera 35 to move synchronously through the transmission of the round plate 32, the ring plate 33 and the mounting plate 34, and the industrial camera 35 corresponds to the aspherical asymmetric part;

[0037] Then, the aspherical asymmetric part is photographed through the action of the industrial camera 35, and the image information is transmitted to the control module 6, then the control module 6 calculates the part image circumscribed rectangle and the minimum circumscribed rectangle, analyzes the shape tolerance, analyzes whether the edge cutting of the aspherical asymmetric part is within the tolerance range, and realizes the effect of high-precision detection of the aspherical asymmetric part;

[0038] Then, the gear 39 is driven to rotate by the motor 38 and is in transmission with the gear ring 7, so that the gear ring 7 drives the ring plate 33 to rotate on the round plate 32 by a certain angle, and the ring plate 33 drives the industrial camera 35 to move synchronously through the mounting plate 34, so as to realize the effect of moving and adjusting the industrial camera 35, and realize the effect of photographing different positions of the aspherical asymmetric part, and realize the effect of automatically detecting the shape tolerance of different positions of the part, and improve the convenience and efficiency.

[0039] The technical progress obtained by the utility model compared with the prior art is that: through the cooperation of various components, not only the effect of accurately detecting the edge shape tolerance of the aspherical asymmetric part can be realized, but also the effect of automatically adjusting the detection direction of the aspherical asymmetric part can be realized, the convenience and efficiency are improved, the structure is simple, and the practicality is higher.

Claims

1. A high-precision general-purpose detection jig for the form and position tolerances of an asymmetrically trimmed non-spherical part, characterized in that, The workbench (1), the detection mechanism (3) and the control module (6) are included. The workbench (1) is provided with a support (2), the support (2) is provided with a detection mechanism (3), the workbench (1) is provided with a control module (6) and a placement plate (4), the detection mechanism (3) is connected with the control module (6), the placement plate (4) is provided with an aspherical asymmetric part (5), and the detection mechanism (3) is connected with the aspherical asymmetric part (5). The detection mechanism (3) includes a cylinder (31), a circular plate (32), a ring plate (33), a mounting plate (34), an industrial camera (35), a sleeve (36), a clamping plate (37), a motor (38) and a gear (39), the support (2) is fixedly provided with the cylinder (31), one end of the cylinder (31) is provided with the clamping plate (37), and the clamping plate (37) is in contact connection with the aspherical asymmetric part (5).

2. The high-precision general-purpose detection jig for the shape and position tolerances of an asymmetrically trimmed non-spherical part according to claim 1, characterized in that, The output end of the cylinder (31) is fixedly connected with a telescopic rod (9), one end of the telescopic rod (9) is fixedly connected with the circular plate (32), the circular plate (32) is rotatably sleeved with the ring plate (33), the ring plate (33) is fixedly connected with the mounting plate (34), the mounting plate (34) is fixedly provided with the industrial camera (35), and the industrial camera (35) corresponds to the aspherical asymmetric part (5).

3. The high-precision general-purpose detection jig for the shape and position tolerances of an asymmetrically trimmed non-spherical part according to claim 2, characterized in that, The industrial camera (35) is connected with the control module (6), the telescopic rod (9) is slidably sleeved with the sleeve (36), and one end of the sleeve (36) is fixedly connected with the clamping plate (37).

4. The high-precision general-purpose detection jig for the shape and position tolerances of an asymmetrically cut non-spherical part according to claim 3, characterized in that, The sleeve (36) is fixedly provided with a spring (8) inside, and one end of the spring (8) corresponds to the telescopic rod (9).

5. The high-precision general-purpose detection jig for the shape and position tolerances of an asymmetrically trimmed non-spherical part according to claim 2, characterized in that, The circular plate (32) is fixedly provided with the motor (38), the output end of the motor (38) penetrates through the circular plate (32) and is fixedly connected with the gear (39), the circular plate (32) is fixedly sleeved with a bearing, and the outer wall of the bearing is fixedly connected with the ring plate (33).

6. The high-precision general-purpose detection jig for the shape and position tolerances of an asymmetrically trimmed non-spherical part according to claim 5, characterized in that, The ring plate (33) is provided with a mounting groove, the mounting groove is fixedly provided with a gear ring (7), and the gear (39) is in meshing connection with the gear ring (7).

7. The high-precision general-purpose detection jig for the shape and position tolerances of an asymmetrically trimmed non-spherical part according to claim 5, characterized in that, The motor (38) is connected with the control module (6).

8. The high-precision general-purpose detection jig for the shape and position tolerances of an asymmetrically trimmed non-spherical part according to claim 1, characterized in that, The clamping plate (37) and the placement plate (4) are both provided with antiskid pads, and the two antiskid pads are both in contact connection with the aspherical asymmetric part (5).

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