Multi-surface clamping rotary jig for measurement

Abstract

The utility model discloses a multi-face clamping rotary jig for measuring, which relates to the technical field of contour measurement and comprises a clamping circular plate, a clamping mechanism is arranged on the upper surface of the clamping circular plate and comprises an annular sliding groove, the annular sliding groove is connected with four clamping assemblies in a sliding mode, and each clamping assembly comprises an arc-shaped sliding block. The bottom ends of the arc-shaped sliding blocks are slidably connected with the annular sliding grooves, the top faces of the arc-shaped sliding blocks are fixedly connected with radial transverse plates, the radial transverse plates are slidably connected with clamping stand columns, the two sides of the clamping stand columns are fixedly connected with rubber gaskets, and adjusting assemblies are arranged at the ends, away from the circle center of the clamping circular plate, of the radial transverse plates. A plurality of clamping mechanisms are arranged on a clamping circular plate, and each clamping mechanism can revolve along the clamping circular plate under the driving of an adjusting assembly, so that when cylinders with different projection planes are clamped, a radial transverse plate can be aligned to the side surfaces corresponding to the cylinders through revolution adjustment, and the clamping is more stable; each side face can be aligned with the measuring needle head through the rotating mechanism, and contour measurement is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of contour measurement, in particular to a multi-faceted clamping rotating fixture for measurement. Background Art

[0002] The profile measuring instrument is a precision device for measuring the curve shape and cross-sectional profile shape of various mechanical parts. The instrument workbench adopts high-precision horizontal air-floating rails and rolling vertical rails, with high moving accuracy, good stability and long service life; high measurement efficiency, simple operation, suitable for use in workshop inspection stations or metrology rooms.

[0003] On the profilometer used for measurement, products must be placed in different directions and angles. The current measuring fixtures often find it difficult to place all the surfaces to be measured, including arc surfaces and angle surfaces, on the measuring track of the measuring needle. Therefore, it is difficult to conveniently measure the linear shape and cross-sectional contour shape of the parts. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-faceted clamping rotating fixture for measurement in order to solve the above-mentioned problem.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A multi-faceted clamping rotating fixture for measurement comprises a clamping circular plate, a clamping mechanism is provided on the upper surface of the clamping circular plate, the clamping mechanism comprises an annular slide groove, four clamping components are slidably connected to the annular slide groove, the clamping component comprises an arc-shaped slider, the bottom end of the arc-shaped slider is slidably connected to the annular slide groove, the top surface of the arc-shaped slider is fixedly connected to a radial cross plate, the radial cross plate is slidably connected to a clamping column, rubber gaskets are fixedly connected to both sides of the clamping column, an adjustment component is provided at one end of the radial cross plate away from the center of the clamping circular plate, a clamping power component is provided on the upper surface of the radial cross plate, a rotating mechanism is provided on the lower side of the clamping circular plate, and a lifting mechanism is provided on the lower side of the rotating mechanism.

[0007] Preferably, the adjustment component includes a planetary motor, which is installed on the upper side of the radial cross plate. The middle part of the output shaft of the planetary motor is rotatably connected to the radial cross plate. The bottom end of the output shaft of the planetary motor is fixedly connected to a planetary gear. The outer side of the clamping circular plate is fixedly connected to an outer gear ring, and the outer gear ring meshes with the planetary gear.

[0008] Preferably, the clamping power assembly includes a threaded motor, the output shaft of the threaded motor is fixedly connected to a threaded rod, both ends of the threaded rod are rotatably connected to bearing seats, the bottom end of the bearing seat is fixedly connected to a radial cross plate, and the threaded rod is threadedly connected to the bottom end of the clamping column.

[0009] Preferably, the rotating mechanism comprises a square frame, a rotating motor is installed inside the square frame, and the top end of the output shaft of the rotating motor is fixedly connected to the clamping circular plate.

[0010] Preferably, an equipment platform is provided on the lower side of the frame, and supporting feet are fixedly connected at the four corners of the bottom surface of the equipment platform.

[0011] Preferably, the lifting mechanism includes an electric telescopic rod, the bottom end of the electric telescopic rod is fixedly connected to the middle of the equipment platform, the top end of the electric telescopic rod is fixedly connected to the square frame, both sides of the bottom surface of the square frame are fixedly connected to sliding columns, and the sliding columns are slidably connected to the equipment platform.

[0012] The beneficial effect is that multiple clamping mechanisms are arranged on the clamping circular plate. Driven by the adjusting component, each clamping mechanism can revolve along the clamping circular plate. Therefore, when clamping cylinders with different projection surfaces, the radial cross plate can be aligned with the side surface corresponding to the cylinder through the revolute adjustment, so that the clamping is more stable. The rotating mechanism can align each side surface with the measuring needle to complete the contour measurement.

[0013] The additional technical features and advantages of the present invention will be more clearly explained in the following description, or can be understood through the specific practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0015] Figure 1 This is a first schematic diagram of a multi-faceted clamping rotating fixture for measurement described in the utility model;

[0016] Figure 2 The utility model is a multi-faceted clamping rotating fixture for measurement. Figure 1 A partial enlarged view of the middle part;

[0017] Figure 3 This is a first schematic diagram of a multi-faceted clamping rotating fixture for measurement described in the utility model;

[0018] Figure 4 It is a front view of a multi-faceted clamping rotating fixture for measurement described in the utility model.

[0019] The following are the descriptions of the reference numerals:

[0020] 100, clamping circular plate; 201, annular slide; 202, outer gear ring; 203, arc-shaped slider; 204, radial cross plate; 205, clamping column; 206, rubber gasket; 207, threaded rod; 208, bearing seat; 209, threaded motor; 210, planetary gear; 211, planetary motor; 301, frame; 302, rotating motor; 401, electric telescopic rod; 402, slide column; 500, equipment platform; 600, support foot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] like Figure 1 - Figure 4 As shown, a multi-faceted clamping rotating fixture for measurement includes a clamping circular plate 100, the upper surface of the clamping circular plate 100 is provided with a clamping mechanism, the clamping mechanism includes an annular slide groove 201, the annular slide groove 201 is slidably connected with four clamping components, the clamping component includes an arc-shaped slider 203, the bottom end of the arc-shaped slider 203 is slidably connected to the annular slide groove 201, the top surface of the arc-shaped slider 203 is fixedly connected with a radial cross plate 204, the radial cross plate 204 is slidably connected with a clamping column 205, and rubber gaskets 206 are fixedly connected on both sides of the clamping column 205, an adjustment component is provided at one end of the radial cross plate 204 away from the center of the clamping circular plate 100, a clamping power component is provided on the upper surface of the radial cross plate 204, a rotating mechanism is provided on the lower side of the clamping circular plate 100, and a lifting mechanism is provided on the lower side of the rotating mechanism.

[0025] The annular slide groove 201 provides a sliding track for the arc-shaped slider 203, keeping the radial cross plate 204 revolving around the center of the clamping circular plate 100. A sliding clamping column 205 is provided on the radial cross plate 204. When multiple clamping columns 205 are close to the center of the clamping circular plate 100, columnar workpieces can be clamped. The rubber gasket 206 is used to directly contact the workpiece to prevent wear caused by the contact between the clamping column 205 and the workpiece.

[0026] The adjustment component includes a planetary motor 211, which is installed on the upper side of the radial cross plate 204. The middle part of the output shaft of the planetary motor 211 is rotatably connected to the radial cross plate 204. The bottom end of the output shaft of the planetary motor 211 is fixedly connected to the planetary gear 210. The outer side of the clamping circular plate 100 is fixedly connected to the outer side of the outer gear ring 202, and the outer gear ring 202 engages with the planetary gear 210.

[0027] The planetary motor 211 provides rotational power to drive the planetary gear 210 to rotate. The planetary gear 210 meshes with the outer gear ring 202 to rotate, so that the planetary motor 211 and the planetary gear 210 revolve, and then the radial cross plate 204 and the clamping column 205 revolve, and finally the clamping column 205 can clamp different sides of the workpiece.

[0028] The clamping power assembly includes a threaded motor 209, the output shaft of the threaded motor 209 is fixedly connected to a threaded rod 207, both ends of the threaded rod 207 are rotatably connected to bearing seats 208, the bottom end of the bearing seat 208 is fixedly connected to the radial cross plate 204, and the threaded rod 207 is threadedly connected to the bottom end of the clamping column 205.

[0029] The threaded motor 209 provides rotational power to drive the threaded rod 207 to rotate. The threaded rod 207 is threadedly connected to the clamping column 205, so the clamping column 205 moves axially along the threaded rod 207, so that the clamping column 205 approaches and clamps the workpiece, and the bearing seat 208 is used to keep the threaded rod 207 rotating.

[0030] The rotating mechanism comprises a square frame 301 , in which a rotating motor 302 is installed. The top end of the output shaft of the rotating motor 302 is fixedly connected to the clamping circular plate 100 .

[0031] The frame 301 is used to install the rotary motor 302 , which provides rotary power to drive the rotation of the clamping circular plate 100 , and finally drives the workpiece to rotate.

[0032] An equipment platform 500 is provided at the lower side of the frame 301 , and supporting legs 600 are fixedly connected at the four corners of the bottom surface of the equipment platform 500 .

[0033] The equipment platform 500 is used to install the electric telescopic rod 401 , and the support legs 600 are used to support the equipment platform 500 and provide space for the sliding column 402 .

[0034] The lifting mechanism includes an electric telescopic rod 401, the bottom end of the electric telescopic rod 401 is fixedly connected to the middle of the equipment platform 500, the top end of the electric telescopic rod 401 is fixedly connected to the square frame 301, the bottom sides of the square frame 301 are fixedly connected to the sliding column 402, and the sliding column 402 is slidably connected to the equipment platform 500.

[0035] The electric telescopic rod 401 controls the height of the box 301 by its own extension and contraction, and the sliding column 402 is used to maintain the stability of the box 301 when it is lifted or slid.

[0036] Working principle:

[0037] An annular groove 201 is provided on the clamping circular plate 100, and the annular groove 201 is used to slide and connect the arc slider 203, and the arc slider 203 is fixedly connected to the radial cross plate 204. A rotating mechanism is provided at the outer end of the radial cross plate 204, and the rotating mechanism is driven by the planetary motor 211 to rotate the planetary gear 210, and the planetary gear 210 engages with the outer gear ring 202, so that the planetary gear 210 and the planetary motor 211 revolve, and then the radial cross plate 204 and the clamping column 205 revolve, and the radial cross plate 204 is aligned with different sides of the workpiece, so as to meet the stable clamping of the cylinder and various polygonal prisms. At the same time, the clamping column 205 moves toward the center of the circle driven by the threaded motor 209 and the threaded rod 207 to achieve clamping of the workpiece.

[0038] A rotating motor 302 is provided at the bottom of the frame 301, and the output shaft of the rotating motor 302 is fixedly connected to the clamping circular plate 100, thereby driving the rotation of the clamping circular plate 100. The clamping circular plate 100 clamps the workpiece, so the workpiece also rotates accordingly, and each side surface can be aligned with the measuring needle; at the same time, with the lifting function driven by the electric telescopic rod 401, each longitudinal position of the workpiece is aligned with the measuring needle to complete the contour measurement.

[0039] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-faceted clamping rotary fixture for measurement, comprising a clamping circular plate (100), characterized in that: The upper surface of the clamping circular plate (100) is provided with a clamping mechanism, the clamping mechanism includes an annular slide groove (201), the annular slide groove (201) is slidably connected with four clamping components, the clamping components include an arc-shaped slider (203), the bottom end of the arc-shaped slider (203) is slidably connected to the annular slide groove (201), the top surface of the arc-shaped slider (203) is fixedly connected with a radial cross plate (204), the radial cross plate (204) is slidably connected with a clamping column (205), and the two sides of the clamping column (205) are fixedly connected with rubber gaskets (206), an adjustment component is provided at one end of the radial cross plate (204) away from the center of the clamping circular plate (100), a clamping power component is provided on the upper surface of the radial cross plate (204), a rotating mechanism is provided on the lower side of the clamping circular plate (100), and a lifting mechanism is provided on the lower side of the rotating mechanism.

2. The multi-faceted clamping rotary jig for measurement according to claim 1, characterized in that: The adjustment component comprises a planetary motor (211), the planetary motor (211) being mounted on the upper side of the radial transverse plate (204), the middle portion of the output shaft of the planetary motor (211) being rotatably connected to the radial transverse plate (204), the bottom end of the output shaft of the planetary motor (211) being fixedly connected to a planetary gear (210), the outer side of the clamping circular plate (100) being fixedly connected to an outer gear ring (202), and the outer gear ring (202) being meshed with the planetary gear (210).

3. The multi-faceted clamping rotating fixture for measurement according to claim 1, characterized in that: The clamping power assembly comprises a threaded motor (209), the output shaft of the threaded motor (209) is fixedly connected to a threaded rod (207), both ends of the threaded rod (207) are rotatably connected to bearing seats (208), the bottom end of the bearing seat (208) is fixedly connected to the radial cross plate (204), and the threaded rod (207) is threadedly connected to the bottom end of the clamping column (205).

4. The multi-faceted clamping and rotating jig for measurement according to claim 1 is characterized in that: The rotating mechanism comprises a square frame (301), a rotating motor (302) is installed inside the square frame (301), and the top end of the output shaft of the rotating motor (302) is fixedly connected to the clamping circular plate (100).

5. The multi-faceted clamping and rotating jig for measurement according to claim 4 is characterized in that: An equipment platform (500) is provided on the lower side of the square frame (301), and supporting feet (600) are fixedly connected at the four corners of the bottom surface of the equipment platform (500).

6. The multi-faceted clamping and rotating jig for measurement according to claim 5, characterized in that: The lifting mechanism comprises an electric telescopic rod (401), the bottom end of the electric telescopic rod (401) is fixedly connected to the middle of the equipment platform (500), the top end of the electric telescopic rod (401) is fixedly connected to the square frame (301), both sides of the bottom surface of the square frame (301) are fixedly connected to sliding columns (402), and the sliding columns (402) are slidably connected to the equipment platform (500).

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