Clamp for machining spherical part

Abstract

The utility model relates to the technical field of spherical part machining, in particular to a clamp for spherical part machining, which comprises two groups of deformation clamping mechanisms symmetrically arranged on machining equipment, each deformation clamping mechanism comprises a fixed cover fixed on the machining equipment and a plurality of groups of clamping rings connected with the end wall of the fixed cover through elastic parts, the diameters of the multiple sets of clamping rings are different, the circle centers of the multiple sets of clamping rings are located on the same axis, a jacking assembly is arranged in the fixing cover and used for intermittently jacking one set of clamping rings out, so that the set of clamping rings are pushed out of a plane formed by the other sets of clamping rings, and the clamping rings are clamped according to the size diameter and the weight of a to-be-machined spherical part. The clamping pieces of different sizes are selected as the clamping pieces, the contact areas of the different clamping rings and the spherical piece are different, stable clamping is effectively provided, and the spherical piece is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of spherical piece processing, in particular to a clamp for spherical piece processing. Background Art

[0002] During grinding processing, spherical parts are usually clamped and pressed on the spherical parts from both sides by two sets of clamps. When using clamps of fixed sizes to clamp spherical parts of different sizes and weights, in order to improve the clamping stability of spherical parts with large diameters and heavy weights, the only option is to increase the clamping force. To increase stability, the increase in clamping force may cause deformation of the spherical parts, especially thin-walled spherical parts or low-hardness spherical parts. Therefore, a clamp for spherical part processing is needed, which can adapt to and clamp spherical parts of different sizes and weights by changing the clamping contact area to avoid damage to the spherical parts. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a clamp for processing spherical parts, which is achieved by the following specific technical means: comprising two groups of deformation clamping mechanisms symmetrically arranged on the processing equipment, the deformation clamping mechanism comprising a fixed cover fixed on the processing equipment, and multiple groups of clamping rings connected to the end wall of the fixed cover through elastic parts, the diameters of the multiple groups of clamping rings are different and the centers of the circles are located on the same axis, a pushing assembly is arranged in the fixed cover, the pushing assembly is used to intermittently eject a group of clamping rings, so that the group of clamping rings is pushed out from the plane formed by the remaining groups of clamping rings, and clamping parts of different sizes are selected as clamping parts according to the size, diameter and weight of the spherical parts to be processed, and different clamping rings have different contact areas with the spherical parts.

[0004] Preferred technical solution 1: A fixing rod is provided on each group of the clamping rings, the fixing rod slides into the fixing cover, and the elastic member is connected between the inner end of the fixing rod and the front wall of the fixing cover.

[0005] Preferred technical solution two: In order to improve the stability of the support, multiple groups of fixed rods are arranged on the circumferential side of the clamping ring, and the inner ends of the multiple groups of fixed rods are fixedly connected by annular frames, and the jacking assembly intermittently contacts the annular frames connected to different clamping rings.

[0006] Preferred technical solution three: Multiple groups of radial grooves are provided on the end wall of the fixed cover away from the clamping ring, and the pushing assembly includes a screw rod rotatably arranged in the radial groove and a slider which is sleeved on the screw rod through a threaded hole and slidably arranged on the end wall of the fixed cover, and a telescopic rod is arranged on the slider.

[0007] Preferred technical solution four: the diameters of the annular frames corresponding to each group of the clamping rings are also different.

[0008] Preferred technical solution five: A motor is arranged on the end wall of the fixed cover, a bevel gear 1 is arranged on the output shaft of the motor, and a bevel gear 2 is rotatably arranged on the screw rod, and multiple groups of bevel gear 2 are all meshed with bevel gear 1.

[0009] The above structure enables this solution to have the following beneficial effects:

[0010] By changing the clamping rings of different sizes, spherical parts of different sizes and weights can be clamped to provide stable clamping and avoid damage to the spherical parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0013] Figure 2 A perspective view of the fixed cover of this solution;

[0014] Figure 3 This is a diagram showing the coordination between the jacking assembly and the annular frame of this solution;

[0015] Figure 4 This is a schematic diagram of the structure of the fixing rod, elastic member, clamping ring and annular frame of this solution;

[0016] Figure 5 This is a schematic diagram of the structure of the jacking assembly of this scheme.

[0017] Among them, 1. fixed cover, 11. radial slide groove, 2. elastic member, 3. clamping ring, 4. fixed rod, 5. annular frame, 6. jacking assembly, 61. screw rod, 62. slider, 63. telescopic rod, 64. motor, 65. bevel gear one, 66. bevel gear two. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 4The spherical parts processing fixture comprises two groups of deformation clamping mechanisms symmetrically arranged on the processing equipment, the deformation clamping mechanisms comprise a fixed cover 1 fixed on the processing equipment, a plurality of clamping rings 3 connected to the end wall of the fixed cover 1 through an elastic member 2, the elastic member 2 is preferably a spring, the diameters of the plurality of clamping rings 3 are different but the centers of the circles are located on the same axis, a fixing rod 4 is arranged on each group of clamping rings 3, the fixing rod 4 slides into the fixed cover 1, and the elastic member 2 is connected between the inner end of the fixing rod 4 and the front wall of the fixed cover 1, a pushing assembly 6 is arranged in the fixed cover 1, the pushing assembly 6 is used to intermittently contact the fixing rod 4 connected to the corresponding clamping ring 3, and is used to eject a corresponding group of clamping rings 3, so that the group of clamping rings 3 is pushed out from the plane formed by the remaining groups of clamping rings 3, and clamping members of different sizes are selected as clamping members according to the size, diameter and weight of the spherical parts to be processed, and the contact areas between different clamping rings 3 and the spherical parts are different.

[0020] See also Figure 1-Figure 4 A clamp for processing spherical parts. In order to improve the stability of the support, multiple groups of fixing rods 4 are arranged on the side of the clamping ring 3. At the same time, the inner ends of the multiple groups of fixing rods 4 are fixedly connected by annular frames 5. The jacking assembly 6 intermittently contacts the annular frames 5 connected to different clamping rings 3, and the diameters of the annular frames 5 corresponding to each group of clamping rings 3 are also different.

[0021] See also Figure 2-Figure 5 , a fixture for processing spherical parts, a plurality of radial slide grooves 11 are provided on the end wall of the fixed cover 1 away from the clamping ring 3, and the center of the circle corresponding to the radial slide groove 11 is located on the axis of the annular frame 5. The jacking assembly 6 includes a screw rod 61 rotatably arranged in the radial slide groove 11 and a slider 62 which is sleeved on the screw rod 61 through a threaded hole and slidably arranged in the radial slide groove 11, and a telescopic rod 63 is arranged on the slider 62. A motor 64 is arranged on the end wall of the fixed cover 1, and a bevel gear 1 65 is arranged on the output shaft of the motor 64. At the same time, a bevel gear 2 66 is rotatably provided on the screw rod 61, and multiple bevel gears 2 66 are all meshed with the bevel gear 1 65. The motor 64 controls the synchronous rotation of the screw rods 61 in the multiple radial slideways, thereby realizing the control of the synchronous approach or distance of the multiple sliders 62, and then the multiple telescopic rods 63 can be used to evenly push a group of annular frames 5.

[0022] See also Figure 5 A clamp for processing spherical parts, a pressure sensor is provided at the top telescopic end of the telescopic rod 63 in contact with the annular frame 5, and the pressure sensor is electrically connected to the telescopic rod 63 for controlling the clamping force of the clamping ring 3 to avoid over-clamping.

[0023] See also Figure 1-Figure 4 , a fixture for processing spherical parts, the inner wall of the clamping ring 3 is covered with an elastic layer, and the elastic layer is provided to avoid soft contact between the clamping ring 3 and the spherical part.

[0024] The specific use process of the clamp for processing spherical parts is as follows: two groups of deformation clamping mechanisms are respectively arranged on frames that can move synchronously in opposite directions on the processing equipment, and clamping rings 3 of corresponding sizes are selected as clamping parts according to the diameter size, hardness and weight of the spherical parts to be processed. When in use, the motor 64 is started to drive multiple groups of screw rods 61 to rotate and adjust multiple groups of telescopic rods 63 to move to the corresponding annular frames 5 of the group of clamping rings 3, facing the group of annular frames 5, and then the telescopic rods 63 are started to extend and push the annular frames 5 to push the group of clamping rings 3 out of the plane formed by the other groups of clamping rings 3 to clamp the spherical parts.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture for processing spherical parts, characterized in that: The invention comprises two groups of deformation clamping mechanisms symmetrically arranged on a processing device, wherein the deformation clamping mechanisms comprise a fixed cover (1) fixed on the processing device, and multiple groups of clamping rings (3) connected to the end wall of the fixed cover (1) through an elastic member (2), wherein the diameters of the multiple groups of clamping rings (3) are different and the centers of the circles are located on the same axis, and a push-up assembly (6) is arranged in the fixed cover (1), and the push-up assembly (6) is used to intermittently push out a group of clamping rings (3) so that the group of clamping rings (3) is pushed out from the plane formed by the remaining groups of clamping rings (3).

2. A spherical part processing fixture according to claim 1, characterized in that: Each group of the clamping rings (3) is provided with a fixing rod (4), the fixing rod (4) is slidably inserted into the fixing cover (1), and the elastic member (2) is connected between the inner end of the fixing rod (4) and the front wall of the fixing cover (1).

3. A spherical part processing fixture according to claim 2, characterized in that: The fixing rods (4) are arranged in multiple groups on the peripheral side of the clamping ring (3), and the inner ends of the multiple groups of fixing rods (4) are fixedly connected through an annular frame (5), and the jacking assembly (6) intermittently contacts the annular frames (5) connected to different clamping rings (3).

4. A spherical component processing fixture according to claim 3, characterized in that: The fixed cover (1) is provided with a plurality of radial grooves (11) on the end wall away from the clamping ring (3), the center of the circle corresponding to the radial grooves (11) is located on the axis of the annular frame (5), the push assembly (6) comprises a screw rod (61) rotatably arranged in the radial grooves (11) and a slider (62) sleeved on the screw rod (61) through a threaded hole and slidably arranged on the end wall of the fixed cover (1), and a telescopic rod (63) is arranged on the slider (62).

5. A spherical component processing fixture according to claim 3, characterized in that: The diameters of the annular frames (5) corresponding to each group of the clamping rings (3) are also different.

6. A spherical component processing fixture according to claim 4, characterized in that: A motor (64) is arranged on the end wall of the fixed cover (1), a bevel gear 1 (65) is arranged on the output shaft of the motor (64), and a bevel gear 2 (66) is rotatably arranged on the screw rod (61), and a plurality of groups of bevel gear 2 (66) are all meshed with bevel gear 1 (65).

7. A spherical component processing fixture according to claim 4, characterized in that: A pressure sensor is provided at the top telescopic end of the telescopic rod (63) in contact with the annular frame (5), and the pressure sensor is electrically connected to the telescopic rod (63).

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