Corner precision detection device
By designing an angle accuracy detection device including a self-centered clamping mechanism and a measuring frame, the problems of high cost and complex operation of existing equipment are solved, and low-cost, convenient and high-precision detection is achieved.
Patent Information
- Application Number
- CN202421738649.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-23
AI Technical Summary
The existing angle accuracy detection equipment is costly and complex in operation, making it difficult to meet the needs of high accuracy, high reliability and high compatibility.
An angle accuracy detection device including a self-centered clamping mechanism and a measuring frame is designed to self-centered clamping oil cylinders of different specifications through a self-centered clamping mechanism, and the angle accuracy is conveniently measured using the angle scale marks on the measuring frame.
It realizes low-cost and convenient angle accuracy detection, and is suitable for clamping cylinders of different specifications, improving the accuracy and reliability of detection.
Smart Images
Figure CN222773922U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of oil cylinder detection, and in particular relates to a rotation angle accuracy detection device. Background Art
[0002] In mechanical processing and automated production lines, the clamping cylinder is an important component for fixing and positioning workpieces. The accuracy of its rotation angle directly affects the processing quality and efficiency. Traditional methods of detecting angle accuracy mostly use mechanical or contact sensors, which have problems such as low measurement accuracy, susceptibility to external interference, and high maintenance costs. In addition, with the popularization of multi-axis machine tools, especially five-axis CNC machine tools, higher requirements are placed on the angle accuracy detection of components such as clamping cylinders, requiring a detection device that can simultaneously meet high precision, high reliability, and high compatibility.
[0003] At present, although there are some corner accuracy detection devices on the market, most of them have the following shortcomings: first, the detection equipment is expensive, which is not conducive to wide promotion; second, the detection operation is complicated and requires professional personnel to operate, which increases the cost of use. Therefore, it is of great significance to develop a corner accuracy detection device that is simple to operate, low cost and has good compatibility. Utility Model Content
[0004] In view of the above problems, the purpose of the present utility model is to provide a rotation angle accuracy detection device to solve the problems of high cost and complicated operation of existing rotation angle accuracy detection equipment.
[0005] To achieve the above purpose, the utility model adopts the following technical solution: an angular accuracy detection device, including a workbench, a self-centering clamping mechanism is installed on the workbench, the self-centering clamping mechanism is equipped with a clamping cylinder, a support frame 1 and a support frame 2 are installed on the workbench around the axis of the self-centering clamping mechanism, the support frame 1 and the support frame 2 have the same structure, a measuring frame is slidably mounted on the support frame 1 and the support frame 2, and an angular scale line is etched on the measuring frame, the axis of which is colinear with the axis of the self-centering clamping mechanism.
[0006] The beneficial effects of the utility model are as follows: the self-centering clamping mechanism can self-center and clamp oil cylinders of different specifications, so that the pressure head of the clamp oil cylinder is abutted against a support frame for initial positioning. By observing and comparing the position of the pressure head of the clamp oil cylinder after rotating to the end of the stroke with the angular scale line, the angular accuracy can be conveniently measured at a low cost.
[0007] In order to make the measuring frame move up and down stably;
[0008] As a further improvement of the above technical solution: the support frame 1 includes a guide rod, the measuring frame includes a sliding sleeve, the sliding sleeve is arranged at both ends of the arc plate, and the sliding sleeve is slidably mounted on the outer side of the guide rod.
[0009] The beneficial effect of this improvement is that the measuring frame can be stably raised and lowered under the support of the two guide rods.
[0010] In order to conveniently observe and compare the position of the pressure head of the clamping cylinder on the angle scale line;
[0011] As a further improvement of the above technical solution: a bottom plate is arranged on the outer side of the guide rod, and a spring is arranged on the outer sliding sleeve of the guide rod between the sliding sleeve and the bottom plate.
[0012] The beneficial effect of this improvement is that the spring plays the role of elastically supporting the measuring frame, so that the measuring frame can be closely attached to the bottom surface of the pressure head of the clamping cylinder, so that personnel can easily observe and compare the position of the pressure head of the clamping cylinder on the angular scale line.
[0013] In order to ensure the centering installation stability of the clamping cylinder;
[0014] As a further improvement of the above technical solution: the self-centering clamping mechanism includes a shell, a rotating shaft is rotatably installed in the shell, the axis of the rotating shaft is colinear with the axis of the shell, a turntable is installed on the rotating shaft, and a plurality of eccentric grooves are equidistantly spaced around the axis of the turntable on the turntable, a connecting pin is slidably inserted into the inner side of the eccentric groove, the connecting pin is installed at one end of a moving rod, the moving rod is slidably inserted into the shell along the radial direction of the shell, the other end of the moving rod is connected to a connecting frame, and a clamping arm is installed on the top of the connecting frame.
[0015] The beneficial effect of this improvement is that when the turntable rotates, the multiple moving rods move synchronously in the radial direction of the shell, thereby driving the clamping arm to center and clamp the clamping cylinder.
[0016] In order to ensure the stability of the self-centering clamping mechanism locking the clamping cylinder;
[0017] As a further improvement of the above technical solution: a worm wheel is installed at the bottom end of the rotating shaft, the worm wheel is meshedly connected to a worm, and the worm is rotatably installed on a workbench.
[0018] The beneficial effect of this improvement is that the self-locking property of the worm pair mechanism composed of the worm wheel and the worm can enable the self-centering clamping mechanism to stably clamp the clamping cylinder.
[0019] In order to ensure the accuracy of the initial positioning of the pressure heads of the clamping cylinders of different specifications by the support frame 1 and the support frame 2;
[0020] As a further improvement of the above technical solution: the axis of the guide rod is perpendicular to the top surface of the shell.
[0021] The beneficial effect of this improvement is that when the clamping cylinder is placed on the housing, the axis of the clamping cylinder is parallel to the axis of the guide rod, so when testing clamping cylinders of different heights, the initial position of the pressure head of the clamping cylinder against the guide rod can remain the same.
[0022] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the structure of the utility model;
[0024] Figure 2 The structure diagram of the utility model without the clamping cylinder Figure 1 ;
[0025] Figure 3 The structure diagram of the utility model without the clamping cylinder Figure 2 ;
[0026] Figure 4 It is a schematic diagram of the internal structure of the self-centering clamping mechanism in the utility model;
[0027] In the figure: 1. workbench; 2. support frame 1; 21. guide rod; 22. bottom plate; 23. spring; 3. support frame 2; 4. measuring frame; 41. sliding sleeve; 42. arc plate; 43. angular scale line; 5. self-centering clamping mechanism; 51. housing; 52. moving rod; 53. connecting pin; 54. eccentric groove; 55. turntable; 56. rotating shaft; 57. connecting frame; 58. clamping arm; 59. worm gear; 60. worm; 6. clamping cylinder. DETAILED DESCRIPTION
[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.
[0029] Embodiment 1:
[0030] like Figure 1—4 shows: a rotation angle precision detection device, comprising a workbench 1, on which a self-centering clamping mechanism 5 is installed, on which a clamping oil cylinder 6 is adapted, and around the axis of the self-centering clamping mechanism 5, a support frame 2 and a support frame 3 are installed on the workbench 1, and the support frames 1 and 2 and 3 have the same structure, and a measuring frame 4 is slidably mounted on the support frames 1 and 2 and 3, and an angular scale line 43 is etched on the measuring frame 4, the axis of which is colinear with the axis of the self-centering clamping mechanism 5, and the self-centering clamping mechanism 5 can self-centeringly clamp the clamping oil cylinders 6 of different specifications, so that the pressure head of the clamping oil cylinder 6 is abutted against the support frame 2 for initial positioning, and then through By observing and comparing the position of the pressure head of the clamping cylinder 6 after it rotates to the end of the stroke and the comparison position with the angular scale line 43, the angular accuracy can be measured conveniently at a low cost. The support frame 2 includes a guide rod 21, and the measuring frame 4 includes a sliding sleeve 41. The sliding sleeve 41 is arranged at both ends of the arc plate 42. The sliding sleeve 41 is slidably sleeved on the outer side of the guide rod 21. A bottom plate 22 is arranged on the outer side of the guide rod 21. A spring 23 is slidably sleeved on the outer side of the guide rod 21 between the sliding sleeve 41 and the bottom plate 22. The spring 23 plays the role of elastically supporting the measuring frame 4, so that the measuring frame 4 can be tightly attached to the bottom surface of the pressure head of the clamping cylinder 6, so that personnel can conveniently observe and compare the pressure head of the clamping cylinder 6 at the angular scale line 43. The self-centering clamping mechanism 5 comprises a shell 51, in which a rotating shaft 56 is rotatably installed, the axis of the rotating shaft 56 is colinear with the axis of the shell 51, a rotating disk 55 is installed on the rotating shaft 56, and a plurality of eccentric grooves 54 are equidistantly spaced around the axis of the rotating disk 55 on the rotating disk 55, a connecting pin 53 is slidably inserted into the inner side of the eccentric groove 54, and the connecting pin 53 is installed at one end of a moving rod 52, and the moving rod 52 is slidably inserted into the shell 51 along the radial direction of the shell 51, and the other end of the moving rod 52 is connected to a connecting frame 57, and a clamping arm 58 is installed on the top of the connecting frame 57. When the rotating disk 55 rotates, a plurality of moving rods 52 are synchronously moved in The housing 51 moves in the radial direction, thereby driving the clamping arm 58 to center and clamp the clamping cylinder 6. A worm wheel 59 is installed at the bottom end of the rotating shaft 56. The worm wheel 59 is meshed with a worm 60. The worm 60 is rotatably installed on the workbench 1. The self-locking property of the worm pair mechanism composed of the worm wheel 59 and the worm 60 can enable the self-centering clamping mechanism 5 to stably clamp the clamping cylinder 6. The axis of the guide rod 21 is perpendicular to the top surface of the housing 51. When the clamping cylinder 6 is placed on the housing 51, the axis of the clamping cylinder 6 is parallel to the axis of the guide rod 21. Therefore, when detecting clamping cylinders 6 of different heights, the initial position of the pressure head of the clamping cylinder 6 against the guide rod 21 can remain the same.
[0031] The working principle of the present technical solution is as follows: the clamping cylinder 6 is then placed on the self-centering clamping mechanism 5, so that the cylinder body of the clamping cylinder 6 is located between the plurality of clamping arms 58, and the worm 60 is rotated to engage with the driving worm wheel 59, and when the worm wheel 59 rotates, the rotating shaft 56 is driven to rotate, and the rotating shaft 56 drives the rotating disk 55 to rotate, and when the rotating disk 55 rotates, the connecting pin 53 inside the eccentric groove 54 drives the moving rod 52 to move toward the inside of the housing 51, and then drives the clamping arm 58 to clamp the clamping cylinder 6 through the connecting frame 57, so that the clamping cylinder 6 The cylinder 6 is installed on the self-centering clamping mechanism 5 for centering, and then the operator rotates and adjusts the clamping cylinder 6 so that one side of the pressure head of the clamping cylinder 6 is against the side of the guide rod 21, and then continues to rotate the worm 60 to make the clamping arm 58 firmly clamp the clamping cylinder 6; the oil circuit solenoid valve of the clamping cylinder 6 is controlled to make the pressure head of the clamping cylinder 6 rotate to the end of the stroke, and the rotation angle is generally 90 degrees. The accuracy of the rotation angle of the clamping cylinder 6 can be detected by observing and comparing the comparison position of the pressure head of the clamping cylinder 6 and the angular scale line 43.
[0032] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0033] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.
Claims
1. A rotation angle accuracy detection device, characterized in that: The invention comprises a workbench (1), wherein a self-centering clamping mechanism (5) is installed on the workbench (1), wherein a clamping and clamping oil cylinder (6) is adapted on the self-centering clamping mechanism (5), wherein a support frame 1 (2) and a support frame 2 (3) are installed on the workbench (1) around the axis of the self-centering clamping mechanism (5), wherein the support frame 1 (2) and the support frame 2 (3) have the same structure, wherein a measuring frame (4) is slidably mounted on the support frame 1 (2) and the support frame 2 (3), wherein an angular scale line (43) whose axis is colinear with the axis of the self-centering clamping mechanism (5) is etched on the measuring frame (4).
2. The rotation angle accuracy detection device according to claim 1, characterized in that: The support frame 1 (2) comprises a guide rod (21), and the measuring frame (4) comprises a sliding sleeve (41). The sliding sleeve (41) is arranged at both ends of an arc-shaped plate (42), and the sliding sleeve (41) is slidably mounted on the outer side of the guide rod (21).
3. The rotation angle accuracy detection device according to claim 2, characterized in that: A bottom plate (22) is arranged on the outside of the guide rod (21), and a spring (23) is arranged on the outer sliding sleeve of the guide rod (21) between the sliding sleeve (41) and the bottom plate (22).
4. The rotation angle accuracy detection device according to claim 2, characterized in that: The self-centering clamping mechanism (5) comprises a shell (51), a rotating shaft (56) is rotatably installed in the shell (51), the axis of the rotating shaft (56) is colinear with the axis of the shell (51), a turntable (55) is installed on the rotating shaft (56), a plurality of eccentric grooves (54) are equidistantly spaced around the axis of the turntable (55), a connecting pin (53) is slidably inserted into the inner side of the eccentric groove (54), the connecting pin (53) is installed at one end of a moving rod (52), the moving rod (52) is slidably inserted into the shell (51) along the radial direction of the shell (51), the other end of the moving rod (52) is connected to a connecting frame (57), and a clamping arm (58) is installed on the top of the connecting frame (57).
5. The rotation angle accuracy detection device according to claim 4, characterized in that: A worm wheel (59) is mounted at the bottom end of the rotating shaft (56), and the worm wheel (59) is meshedly connected to a worm (60), and the worm (60) is rotatably mounted on the workbench (1).
6. The rotation angle accuracy detection device according to claim 2, characterized in that: The axis of the guide rod (21) is perpendicular to the top surface of the housing (51).