Precise grinding auxiliary clamp

Abstract

The utility model discloses a precision grinding auxiliary clamp which comprises a moving mechanism, a rotating mechanism and a clamping mechanism, and the moving mechanism comprises a first electric sliding table, a second electric sliding table and a linear sliding table; a linear guide rail is arranged on the linear sliding table, a linear sliding block is arranged on the linear guide rail, the upper surface of the linear sliding block is fixedly connected with the linear guide rail, and the linear sliding block is slidably connected with the linear guide rail; the rotating mechanism comprises a first rotating base, a first motor and a second rotating base; the second electric sliding table is fixedly connected with the first rotating base; a second motor is arranged on the second rotating base, and the second motor is fixedly connected with the second rotating base; the clamping mechanism comprises a clamping base, a plurality of arc-shaped blocks and a plurality of clamping blocks; the arc-shaped blocks are distributed in a circumferential array mode with the clamping base as the axis. Compared with a traditional fixed clamping device, the self-adaptive clamping device can conduct self-adaptive clamping on workpieces of different sizes through the design of elastic clamping and the V-shaped groove, and is good in stability and high in universality.

Description

Technical Field

[0001] The utility model relates to the technical field of spherical jigs, in particular to a precision grinding auxiliary jig. Background Art

[0002] A precision grinding auxiliary jig is a device used to fix workpieces for high-precision grinding in the field of machining. In traditional precision machining technologies, the positioning and clamping of workpieces usually rely on manual adjustment and the stability of mechanical structures.

[0003] Currently, the prior art CN 220481355 U discloses a spherical milling machine jig, which includes a moving mechanism and a clamping mechanism fixedly connected to the moving mechanism. The ends of the first telescopic rod and the second telescopic rod are fixedly connected with clamping claws together. A spring is sleeved on the outer surface of the first telescopic rod. The inner bottom of the bottom sleeve is fixedly connected with an electric push rod. The top of the electric push rod is fixedly connected with a steel wire rope. The top inner wall of the central cylinder is fixedly connected with a suspension. One end of the steel wire rope away from the electric push rod is placed on the surface of the suspension and passes through the inside of the first telescopic rod and is fixedly connected to the surface of the clamping claw. By setting the clamping mechanism, when the electric push rod contracts, it can pull multiple steel wire ropes, making multiple clamping claws move closer to the central cylinder, and finally realizing the clamping and fixing of the spherical lens. This jig can clamp and fix the spherical lens in multiple directions, the spherical lens is more evenly stressed, the fixing effect is better, and effectively avoids the situation that the lens is easily dropped and damaged.

[0004] The above prior art still has the following problems:

[0005] 1. Poor adaptability and unable to clamp workpieces of various sizes.

[0006] 2. The clamping angle cannot be controlled. Summary of the Invention

[0007] The utility model overcomes the deficiencies of the prior art and provides a precision grinding auxiliary jig.

[0008] To achieve the above object, the technical solution adopted by the utility model is: a precision grinding auxiliary jig, including:

[0009] A precision grinding auxiliary jig, including: a moving mechanism, a rotating mechanism arranged above the moving mechanism, and a clamping mechanism arranged on the rotating mechanism, characterized in that:

[0010] The moving mechanism includes: a first electric slide table, a second electric slide table disposed on the first electric slide table, and a linear slide table disposed below the second electric slide table; a linear guide rail is provided on the linear slide table, a linear slider is provided on the linear guide rail, the upper surface of the linear slider is fixedly connected to the linear guide rail, and the linear slider is slidably connected to the linear guide rail;

[0011] The rotating mechanism includes: a first rotating base disposed on the second electric slide table, a first motor disposed on the first rotating base, and a second rotating base disposed at the output end of the first motor; the second electric slide table is fixedly connected to the first rotating base; a second motor is provided on the second rotating base, and the second motor is fixedly connected to the second rotating base;

[0012] The clamping mechanism includes: a clamping base disposed at the output end of the second motor, a plurality of arc-shaped blocks disposed on the clamping base, and a plurality of clamping blocks disposed on the plurality of arc-shaped blocks; the plurality of arc-shaped blocks are circumferentially and arrayed around the clamping base as the axis.

[0013] In a preferred embodiment of the present utility model, a first electric slider is provided on the first electric slide table, and the first electric slider is fixedly connected to the lower surface of the second electric slide table.

[0014] In a preferred embodiment of the present utility model, a gasket is provided on the slider, and the gasket is fixedly connected to the upper surface of the slider and the lower surface of the second electric slide table respectively;

[0015] In a preferred embodiment of the present utility model, a second electric slider is provided on the second electric slide table; the upper surface of the second electric slider is fixedly connected to the lower surface of the first rotating base.

[0016] In a preferred embodiment of the present utility model, a plurality of bolts are sleeved on the arc-shaped blocks, the plurality of bolts are fixedly connected to the clamping blocks, and the bolts are slidably connected to the arc-shaped blocks.

[0017] In a preferred embodiment of the present utility model, a first spring is sleeved on the bolt, and the first spring abuts against the clamping block and the arc-shaped block respectively.

[0018] In a preferred embodiment of the present utility model, a plurality of inclined surfaces are provided on the clamping block, and the angle of the inclined surface is 45°.

[0019] In a preferred embodiment of the present utility model, a bottom clamping block is provided on the clamping base, and a V-shaped groove is provided on the bottom clamping block.

[0020] In a preferred embodiment of the present utility model, a second spring is provided on the bottom clamping block, and two ends of the second spring are respectively abutted against the bottom clamping block and the clamped base.

[0021] In a preferred embodiment of the present utility model, Hall effect sensors are respectively provided on the first motor and the second motor.

[0022] The present utility model solves the defects existing in the background technology, and the present utility model has the following beneficial effects:

[0023] (1) In the clamping mechanism of the present utility model, the bolt 14, the first spring 15, the V-shaped groove on the bottom clamping block 16, and the second spring 17 in the clamping mechanism. Compared with the traditional fixed clamping, through the elastic clamping and V-shaped groove design, the present utility model can adaptively clamp workpieces of different sizes, with good stability and strong versatility.

[0024] (2) For the bolt 14 and the first spring 15 in the present utility model, the bolt 14 connects the arc-shaped block 12 and the clamping block 13, and the first spring 15 provides adjustment of the clamping force to ensure the stability and adaptability of clamping. Compared with the traditional rigid connection, through the elastic action of the spring, the present utility model realizes the adaptive clamping of workpieces of different sizes, improving the versatility and reliability of the fixture.

[0025] (3) For the V-shaped groove and the second spring 17 on the bottom clamping block 16 in the present utility model, they provide universal clamping and elastic support for workpieces of different diameters. Compared with the traditional single-size clamping, through the combination of the V-shaped groove and the spring, the present utility model realizes the stable clamping of workpieces of various sizes, enhancing the applicability of the fixture.

[0026] (4) The 45° inclined plane design on the clamping block 13 in the present utility model facilitates the rapid loading and unloading of workpieces, and at the same time provides additional clamping stability. This design optimizes the loading and unloading process of workpieces. Compared with the traditional vertical clamping surface, it reduces the loading and unloading time and operation difficulty, improving the work efficiency.

[0027] [[ID=2i]](5) For the rotating mechanism in the present utility model, the first motor in the rotating mechanism drives the first rotating base to rotate, realizing the rotational positioning of the workpiece in the horizontal plane. The second motor drives the second rotating base to rotate, realizing the rotational positioning of the workpiece in the vertical plane; the fixture can be adjusted at various angles, providing greater flexibility and adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0029] Figure 1 is the overall three-dimensional structure diagram of the preferred embodiment of the present utility model;

[0030] Figure 2 is the structural diagram of the rotating mechanism of the preferred embodiment of the present utility model;

[0031] Figure 3 is the structural diagram of the clamping block of the preferred embodiment of the present utility model;

[0032] In the figure: 1, moving mechanism; 2, rotating mechanism; 3, clamping mechanism; 4, first electric slide table; 5, second electric slide table; 6, linear slide table; 7, first rotating base; 8, first motor; 9, second rotating base; 10, second motor; 11, clamping base; 12, arc block; 13, clamping block; 14, bolt; 15, first spring; 16, bottom clamping block; 17, second spring. Specific embodiments

[0033] Now, the present utility model will be further described in detail with reference to the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0034] As Figure 1 shown, a precision grinding auxiliary fixture includes: a moving mechanism 1, a rotating mechanism 2 disposed above the moving mechanism 1, and a clamping mechanism 3 disposed on the rotating mechanism 2.

[0035] The moving mechanism 1 includes: a first electric slide table 4, a second electric slide table 5 disposed on the first electric slide table 4, and a linear slide table 6 disposed below the second electric slide table 5; a linear guide rail is provided on the linear slide table 6, a linear slider is provided on the linear guide rail, the upper surface of the linear slider is fixedly connected to the linear guide rail, and the linear slider is slidably connected to the linear guide rail; the first electric slide table 4 serves as the basis of the moving mechanism 1, providing linear movement in the X-axis direction, so that the entire fixture can perform precise position adjustment on the horizontal plane. The second electric slide table 5 is disposed on the first electric slide table 4, providing linear movement in the Y-axis direction to achieve precise positioning in the vertical plane. The linear slide table 6 is located below the second electric slide table 5, further subdividing the movement accuracy and improving the overall positioning accuracy. The linear guide rail provides guidance to ensure that the linear slider slides smoothly along the linear guide rail to achieve precise control.

[0036] The rotating mechanism 2 includes: a first rotating base 7 disposed on the second electric slide 5, a first motor 8 disposed on the first rotating base 7, and a second rotating base 9 disposed on the output end of the first motor 8; the second electric slide 5 is fixedly connected to the first rotating base 7; a second motor 10 is disposed on the second rotating base 9, and the second motor 10 is fixedly connected to the second rotating base 9; the first rotating base 7 is disposed on the second electric slide 5 as a support point of the rotating mechanism 2, allowing angle adjustment. The first motor 8 drives the first rotating base 7 to rotate, realizing the rotational positioning of the workpiece in the horizontal plane. The second rotating base 9 is disposed on the first rotating base 7, allowing for more precise angle adjustment. The second motor 10 drives the second rotating base 9 to rotate, realizing the rotational positioning of the workpiece in the vertical plane.

[0037] The clamping mechanism 3 includes: a clamping base 11 disposed on the output end of the second motor 10, a plurality of arc-shaped blocks 12 disposed on the clamping base 11, and a plurality of clamping blocks 13 disposed on the plurality of arc-shaped blocks 12; the plurality of arc-shaped blocks 12 are circumferentially arrayed with the clamping base 11 as the axis. The clamping base 11 serves as the core of the clamping mechanism 3, connecting the rotating mechanism 2 and the clamping blocks 13, providing a stable clamping platform. The arc-shaped blocks 12 are distributed with the clamping base 11 as the axis, providing multiple clamping points to adapt to workpieces of different shapes. The clamping blocks 13 are disposed on the arc-shaped blocks 12 for directly clamping the workpiece, ensuring the stability of the workpiece during the processing.

[0038] A first electric slider is disposed on the first electric slide 4, and the first electric slider is fixedly connected to the lower surface of the second electric slide 5.

[0039] Gaskets are disposed on the slider, and the gaskets are fixedly connected to the upper surface of the slider and the lower surface of the second electric slide 5 respectively; the gaskets provide buffering and positioning functions, ensuring the stability of the first electric slide 4.

[0040] A second electric slider is disposed on the second electric slide 5; the upper surface of the second electric slider is fixedly connected to the lower surface of the first rotating base 7. The second electric slider is fixedly connected to the first rotating base 7, providing a stable connection between the second electric slide 5 and the rotating mechanism 2.

[0041] A plurality of bolts 14 are sleeved on the arc-shaped blocks 12, the plurality of bolts 14 are fixedly connected to the clamping blocks 13, and the bolts 14 are slidably connected to the arc-shaped blocks 12.

[0042] A first spring 15 is sleeved on the bolts 14, and the first spring 15 abuts against the clamping blocks 13 and the arc-shaped blocks 12 respectively. The bolts 14 connect the arc-shaped blocks 12 and the clamping blocks 13, and the first spring 15 provides clamping force, ensuring the stability and adaptability of the clamping.

[0043] The clamping block 13 is provided with a number of inclined surfaces, and the angle of the inclined surface is 45°. The design of the 45° inclined surface on the clamping block 13 facilitates the rapid loading and unloading of the workpiece and provides additional clamping stability.

[0044] The clamping base 11 is provided with a bottom clamping block 16, and the bottom clamping block 16 is provided with a V-shaped groove. The V-shaped groove on the bottom clamping block 16 is used to accommodate workpieces of different diameters to achieve universal clamping.

[0045] The bottom clamping block 16 is provided with a second spring 17, and the two ends of the second spring 17 are respectively abutted against the bottom clamping block 16 and the clamping base 11. The second spring 17 provides elastic support for the bottom clamping block 16 to ensure the stability of the workpiece during the processing.

[0046] Hall effect sensors are respectively arranged on the first motor 8 and the second motor 10. Hall effect sensor: arranged on the first motor 8 and the second motor 10, used to detect the rotational speed and position of the motor to achieve precise control and feedback.

[0047] When the utility model is in use,

[0048] Based on the ideal embodiments of the present utility model as inspiration, through the above description, relevant personnel can make various changes and modifications without departing from the technical idea of the present utility model. The technical scope of the present utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A precision grinding auxiliary fixture, comprising: A moving mechanism (1), a rotating mechanism (2) arranged above the moving mechanism (1), and a clamping mechanism (3) arranged on the rotating mechanism (2), characterized in that: The moving mechanism (1) comprises: a first electric slide (4), a second electric slide (5) arranged on the first electric slide (4), and a linear slide (6) arranged below the second electric slide (5); a linear guide rail is arranged on the linear slide (6), a linear slider is arranged on the linear guide rail, the upper surface of the linear slider is fixedly connected to the linear guide rail, and the linear slider is slidably connected to the linear guide rail; The rotating mechanism (2) comprises: a first rotating base (7) arranged on the second electric slide (5), a first motor (8) arranged on the first rotating base (7), and a second rotating base (9) arranged at the output end of the first motor (8); the second electric slide (5) is fixedly connected to the first rotating base (7); a second motor (10) is arranged on the second rotating base (9), and the second motor (10) is fixedly connected to the second rotating base (9); The clamping mechanism (3) comprises: a clamping base (11) arranged at the output end of the second motor (10), a plurality of arc blocks (12) arranged on the clamping base (11), and a plurality of clamping blocks (13) arranged on the plurality of the arc blocks (12); the plurality of the arc blocks (12) are distributed in a circular array with the clamping base (11) as the axis.

2. A precision grinding auxiliary fixture according to claim 1, characterized in that: A first electric slider is provided on the first electric slide (4), and the first electric slider is fixedly connected to the lower surface of the second electric slide (5).

3. The precision grinding auxiliary fixture according to claim 1, characterized in that: A gasket is provided on the slider, and the gasket is fixedly connected to the upper surface of the slider and the lower surface of the second electric slide (5) respectively.

4. The precision grinding auxiliary fixture according to claim 1, characterized in that: A second electric slider is provided on the second electric slide (5); the upper surface of the second electric slider is fixedly connected to the lower surface of the first rotating base (7).

5. The precision grinding auxiliary fixture according to claim 1, characterized in that: A plurality of bolts (14) are sleeved on the arc block (12); the plurality of bolts (14) are fixedly connected to the clamping block (13); and the bolts (14) are slidably connected to the arc block (12).

6. The precision grinding auxiliary fixture according to claim 5, characterized in that: A first spring (15) is sleeved on the bolt (14), and the first spring (15) abuts against the clamping block (13) and the arc block (12) respectively.

7. The precision grinding auxiliary fixture according to claim 1, characterized in that: The clamping block (13) is provided with a plurality of inclined surfaces, and the inclined surface angle is 45 degrees.

8. The precision grinding auxiliary fixture according to claim 1, characterized in that: The clamping base (11) is provided with a bottom clamping block (16), and the bottom clamping block (16) is provided with a V-shaped groove.

9. The precision grinding auxiliary fixture according to claim 8, characterized in that: A second spring (17) is provided on the bottom clamping block (16), and two ends of the second spring (17) are respectively in contact with the bottom clamping block (16) and the clamped base (11).

10. The precision grinding auxiliary fixture according to claim 1, characterized in that: The first motor (8) and the second motor (10) are respectively provided with a Hall effect sensor.

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