Air suction clamping device for turning spherical parts

Abstract

The present invention discloses an air suction clamping device and method for turning spherical parts, including a rubber suction cup, a back cap, a screw and a threaded hole. The rubber suction cup is installed inside the clamping body through the back cap. The rubber suction cup includes a rubber body and a connecting platform. The connecting platform is provided on one side of the rubber body. The back cap includes a back cap body and a limiting ring. The limiting ring is provided in the back cap body. The clamping body includes a ferrule wall and a ferrule. The ferrule wall is provided with the ferrule for placing the rubber suction cup. A threaded hole is provided on one side of the ferrule. The rubber suction cup is installed in the ferrule through the connecting platform and the limiting ring. The present invention does not require grinding of the die-cast spherical parts, and can directly realize turning of the spherical parts through the air suction clamping method. The clamping method is simple and efficient, and can complete the turning of the double-sided spherical surface in a short time. The introduction of this method will provide technical guidance for the forming processing of spherical parts.

Description

Technical Field

[0001] The invention relates to the technical field of spherical part turning processing, in particular to an air suction clamping device for spherical part turning processing. Background Art

[0002] Spherical parts are widely used in rolling bearings, high-temperature and high-pressure valves, nuclear fuel and other fields. Existing complete spherical parts are usually formed by casting or stamping. Before grinding and polishing, the surface of the parts is relatively rough, and its precision cannot meet the requirements of some special use occasions. To improve the surface roughness of the parts, surface grinding is also required, which is time-consuming, labor-intensive, and costly. Traditional spherical parts turning can only process hemispherical parts, not complete spherical parts. Summary of the invention

[0003] In order to solve the above-mentioned deficiencies of the prior art, the present invention provides an air suction clamping device for turning spherical parts, which is simple and efficient and can complete the turning of double-sided spherical surfaces in a short time.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] An air suction clamping device for turning spherical parts comprises a rubber suction cup, a back cap and a screw. The rubber suction cup passes through the back cap and is installed inside a fixture. The rubber suction cup comprises a rubber body and a connecting platform. The connecting platform is provided on one side of the rubber body. The back cap comprises a back cap body and a limiting ring. The limiting ring is provided in the back cap body. The fixture comprises a sleeve wall and a sleeve. The sleeve wall is provided with the sleeve for placing the rubber suction cup. One side of the sleeve is provided with a second threaded hole. The rubber suction cup is installed in the sleeve through the connecting platform and the limiting ring. The rubber suction cup, the back cap and the fixture are locked by locking the back cap. The screw passes through the second threaded hole, and the fixture is connected to the third threaded hole in the connecting plate through the screw. The connecting plate is fixed to the machine tool bed through the screw.

[0006] The rubber suction cup further comprises an air inlet, a threaded hole 1 and a V-shaped suction port. The air inlet is provided on one side of the rubber body, and the V-shaped suction port is provided on the other side. The air inlet is connected to the V-shaped suction port, and the connecting platform is located on both sides of the V-shaped suction port.

[0007] The screw passes through the threaded hole three, the threaded hole two and is connected to the threaded hole one, the card specifically includes an air inlet, one side of the ferrule is provided with the air inlet and the two are connected, the connecting disk includes a connecting disk body and an air duct, the connecting disk body is provided with the threaded groove three and the air duct;

[0008] Further description of the present invention comprises the following steps:

[0009] (A) The clamping device is connected to negative air pressure, and under the action of the adsorption high pressure, a small ball or a large ball or a ball of other sizes can be adsorbed on the rubber suction cup;

[0010] (B) The adsorption strength can be adjusted by adjusting the air pressure to clamp spheres of different sizes, roughness and materials.

[0011] To further describe the present invention, the back cap also includes a keyway, a sleeve hole and a cap body cavity. The cap body cavity and the sleeve hole are provided in the back cap body. The sleeve hole is connected to the cap body cavity and the limiting ring is provided at the connection.

[0012] To further describe the present invention, in the step (B), the rubber suction cup can be made of hard rubber and soft rubber according to the different roughness of the spheres. The hard rubber can absorb the spheres with higher surface precision, and the soft rubber can be used to absorb the spheres with lower surface precision.

[0013] Compared with the prior art, the advantages of the present invention are: there is no need to grind the die-cast spherical parts, and the spherical parts can be directly turned by an air suction clamping method; the clamping method is simple and efficient, and can complete the double-sided spherical turning in a short time; the introduction of this method will provide technical guidance for the forming processing of spherical parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of the air suction clamping device for spherical parts of the present invention.

[0015] Figure 2 It is a schematic diagram of the structure of the rubber suction cup of the present invention.

[0016] Figure 3 It is a schematic diagram of the back cap structure of the present invention.

[0017] Figure 4 It is a schematic diagram of the specific structure of the card of the present invention.

[0018] Figure 5 It is a schematic diagram of the connection disk structure of the present invention.

[0019] Figure 6 It is a schematic diagram of the clamping of the spherical parts of the present invention.

[0020] Figure markings: 1-rubber suction cup, 2-back cap, 3-locking back cap, 4-card body, 5-connecting plate, 6-screw, 101-threaded hole 1, 102-rubber body, 103-air inlet, 104-V-shaped suction port, 105-connecting platform, 106-small ball, 107-large ball, 201-back cap body, 202-keyway, 203-sleeve hole, 204-limiting ring, 205-cap body cavity, 401-threaded hole 1, 402-air inlet, 403-card sleeve wall, 404-card sleeve, 501-threaded hole 2, 502-connecting plate body, 503-air duct. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Embodiment 1, as Figures 1 to 6 As shown:

[0023] The pneumatic clamping device for turning spherical parts comprises a rubber suction cup 1, a back cap 2 and a screw 6. The rubber suction cup 1 passes through the back cap 2 and is installed inside a clamp body 4. The rubber suction cup 1 comprises a rubber body 102 and a connecting platform 105. A connecting platform 105 is provided on one side of the rubber body 102. The back cap 2 comprises a back cap body 201 and a limiting ring 204. A limiting ring 204 is provided inside the back cap body 201. The clamp body 4 comprises a ferrule wall 403 and a ferrule 404. The ferrule wall 40 3 is provided with a sleeve 404 for placing the rubber suction cup 1, and a second threaded hole 401 is provided on one side of the sleeve 404. The rubber suction cup 1 is installed in the sleeve 404 through the connecting platform 105 and the limit ring 204. The rubber suction cup 1, the back cap 2, and the clamp body 4 are locked by locking the back cap 3. The screw 6 passes through the second threaded hole 401, and the clamp body 4 is connected to the third threaded hole 501 in the connecting plate 5 through the screw 6, and the connecting plate 5 is fixed to the machine tool bed through the screw 6.

[0024] A preferred technical solution of this embodiment, the rubber suction cup 1 also includes an air inlet 103, a threaded hole 101 and a V-shaped suction port 104, an air inlet 103 is provided on one side of the rubber body 102, and a V-shaped suction port 104 is provided on the other side, the air inlet 103 is connected to the V-shaped suction port 104, and the connecting platform 105 is located on both sides of the V-shaped suction port 104.

[0025] In a preferred technical solution of this embodiment, the screw 6 passes through the threaded hole three 501, the threaded hole two 401 and is connected with the threaded hole one 101.

[0026] In a preferred technical solution of this embodiment, the card body 4 also includes an air inlet 402, and the air inlet 402 is provided on one side of the card sleeve 404 and the two are connected.

[0027] In a preferred technical solution of this embodiment, the connection disk 5 includes a connection disk body 502 and an air passage 503 , and a thread groove 501 and an air passage 503 are provided in the connection disk body 502 .

[0028] A preferred technical solution of this embodiment is that the back cap 2 also includes a keyway 202, a sleeve hole 203 and a cap body cavity 205. The back cap body 201 is provided with a cap body cavity 205 and a sleeve hole 203. The sleeve hole 203 is connected to the cap body cavity 205 and a limiting ring 204 is provided at the connection.

[0029] A preferred technical solution of this embodiment includes the following steps:

[0030] (A) The clamping device is connected to negative air pressure, and under the action of the adsorption high pressure, the small ball 106 or the large ball 107 or a sphere of other sizes can be adsorbed on the rubber suction cup 1;

[0031] (B) The adsorption strength can be adjusted by adjusting the air pressure to clamp spheres of different sizes, roughness and materials.

[0032] A preferred technical solution of this embodiment is that in step B, according to the different roughness of the spheres, the rubber suction cup 1 can be made of hard rubber and soft rubber respectively. The hard rubber can adsorb the spheres with higher surface precision, and the soft rubber can be used to adsorb the spheres with lower surface precision.

[0033] In this embodiment, all the components used are universal standard parts or components known to those skilled in the art, and their structures and principles are known to those skilled in the art through technical manuals or conventional experimental methods.

[0034] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature, and a first feature being "below," "below," and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the first feature.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0036] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and intent of the present invention.

Claims

1. An air suction clamping device for turning spherical parts, comprising a rubber suction cup (1), a back cap (2) and a screw (6), wherein the rubber suction cup (1) passes through the back cap (2) and is installed inside a clamp body (4), and is characterized in that: The rubber suction cup (1) comprises a rubber body (102) and a connecting platform (105), wherein the connecting platform (105) is provided on one side of the rubber body (102), the back cap (2) comprises a back cap body (201) and a limiting ring (204), wherein the limiting ring (204) is provided inside the back cap body (201), the clamping body (4) comprises a clamping sleeve wall (403) and a clamping sleeve (404), wherein the clamping sleeve wall (403) is provided with the clamping sleeve (404) for placing the rubber suction cup (1), and the clamping sleeve (404) A second threaded hole (401) is provided on one side, the rubber suction cup (1) is installed in the clamping sleeve (404) through the connecting platform (105) and the limiting ring (204), the rubber suction cup (1), the back cap (2) and the clamping body (4) are locked by the locking back cap (3), the screw (6) passes through the second threaded hole (401), and the clamping body (4) is connected to the third threaded hole (501) in the connecting plate (5) through the screw (6), and the connecting plate (5) is fixed to the machine tool bed through the screw (6); The rubber suction cup (1) further comprises an air inlet (103), a threaded hole (101) and a V-shaped suction port (104); the air inlet (103) is provided on one side of the rubber body (102), and the V-shaped suction port (104) is provided on the other side; the air inlet (103) is connected to the V-shaped suction port (104), and the connecting platform (105) is located on both sides of the V-shaped suction port (104); The screw (6) passes through the threaded hole three (501), the threaded hole two (401) and is connected to the threaded hole one (101); the card body (4) also includes an air inlet (402); one side of the card sleeve (404) is provided with the air inlet (402) and the two are connected; the connecting disk (5) includes a connecting disk body (502) and an air duct (503); the connecting disk body (502) is provided with the threaded hole three (501) and the air duct (503); The air suction clamping device for turning spherical parts comprises the following steps: (A) The clamping device is connected to negative air pressure, and under the action of the adsorption high pressure, the small ball (106) or the large ball (107) or a ball of other sizes is adsorbed on the rubber suction cup (1); (B) The adsorption strength can be adjusted by adjusting the air pressure to clamp spheres of different sizes, roughness and materials.

2. The air suction clamping device for turning spherical parts according to claim 1 is characterized in that: The back cap (2) further comprises a keyway (202), a sleeve hole (203) and a cap body cavity (205); the cap body cavity (205) and the sleeve hole (203) are provided in the back cap body (201); the sleeve hole (203) is connected to the cap body cavity (205), and the limiting ring (204) is provided at the connection.

3. The air suction clamping device for turning spherical parts according to claim 2 is characterized in that: For the balls with different roughness in step B, the rubber suction cup (1) is made of hard rubber and soft rubber respectively, the hard rubber is used to absorb the balls with higher surface precision, and the soft rubber is used to absorb the balls with lower surface precision.

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