Vacuum suction structure tool for lathe machining of ultrathin products

Abstract

The utility model discloses a lathe machining ultrathin product vacuum suction structure tool which comprises a suction cup base, a first air channel is formed in the suction cup base, one end of the first air channel extends to the outer end of the suction cup base and forms an adsorption end face, and the other end of the first air channel extends to the inner end of the suction cup base and is connected with a first air pipe; the lathe chuck and the suction cup base are coaxially arranged, the clamping end of the lathe chuck acts on the suction cup base, and the connecting end of the lathe chuck is connected with a lathe spindle; a second air channel is formed in the rotary connecting block, and one end of the second air channel extends to the inner end of the rotary connecting block and is connected with the end, away from the suction cup base, of the first air pipe; and a vacuum generator. Compared with the prior art, the clamp has the advantages that a clamping jaw clamping fixing mode is replaced with a vacuum adsorption fixing mode, on one hand, the machining requirement of the sheet-shaped product can be met, and on the other hand, the situation that the sheet-shaped product deforms in the machining process can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of workpieces for lathe processing, and specifically relates to a vacuum suction structure workpiece for processing ultra-thin products on a lathe. Background Art

[0002] A lathe is a machine tool mainly used for turning and processing rotating workpieces with a turning tool.

[0003] In the prior art, the jaws of a lathe chuck cannot fix products with a small thickness, making it difficult to meet more processing requirements. Content of the Utility Model

[0004] In order to overcome the disadvantages and deficiencies in the prior art, the purpose of the utility model is to provide a vacuum suction structure workpiece for processing ultra-thin products on a lathe.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A vacuum suction structure workpiece for processing ultra-thin products on a lathe, comprising:

[0007] A suction cup seat, with a first air passage opened inside. One end of the first air passage extends to the outer end of the suction cup seat and forms an adsorption end face, and the other end of the first air passage extends to the inner end of the suction cup seat and is connected with a first air pipe.

[0008] A lathe chuck, coaxially arranged with the suction cup seat, with its clamping end acting on the suction cup seat and its connecting end being connected to the lathe spindle.

[0009] A rotary connection block, with a second air passage opened inside. One end of the second air passage extends to the inner end of the rotary connection block and is connected with the end of the first air pipe away from the suction cup seat, and the other end of the second air passage extends to the outer end of the rotary connection block and is connected with a rotary joint.

[0010] A vacuum generator, provided with a suction port and an air inlet. The suction port is connected with a second air pipe, and the other end of the second air pipe is connected with the rotary joint.

[0011] Preferably, the first air passage includes:

[0012] A main air passage, coaxially opened on the suction cup seat, with its outer end connected with the first air pipe.

[0013] At least two sub-air passages, the inner end of the main air passage is communicated with the sub-air passages, and the sub-air passages extend to the adsorption end face at the end far from the main air passage and form adsorption ports.

[0014] Preferably, the auxiliary air passage includes a radially extending section and an axially extending section that are connected. The radially extending section communicates with the main air passage, and the axially extending section extends axially to the adsorption end face to form the adsorption port.

[0015] Preferably, at least two of the adsorption ports are arranged annularly around the axis of the main air passage and form an annular adsorption area on the adsorption end face.

[0016] Preferably, it further includes:

[0017] A first annular groove, recessed inwardly on the adsorption end face and coaxially located inside the annular adsorption area;

[0018] A first sealing ring, arranged in the first annular groove.

[0019] Preferably, it further includes:

[0020] A second annular groove, recessed inwardly on the adsorption end face and coaxially located outside the annular adsorption area;

[0021] A second sealing ring, arranged in the second annular groove.

[0022] Preferably, it further includes:

[0023] Sealing plugs, corresponding to the radially extending sections one by one and installed on the radially extending sections along the radial direction.

[0024] Preferably, it further includes:

[0025] A first joint, one end of the first air pipe is connected to the main air passage through the first joint;

[0026] A second joint, the other end of the first air pipe is connected to the second air passage through the second joint.

[0027] Preferably, it further includes:

[0028] A third joint, one end of the second air pipe away from the rotary joint is connected to the suction port through the third joint;

[0029] A fourth joint, the air inlet is connected to the external air pressure through the fourth joint.

[0030] Preferably, the lathe chuck is a three-jaw chuck, and the three-jaw chuck includes a through chuck body and three jaws that can move radially. The three jaws act on the chuck base along the radial direction.

[0031] The working principle of the utility model is: air pressure passes through the vacuum generator from the air inlet to form negative pressure on the suction port, the flaky product to be processed is placed on the adsorption end surface, and the second air pipe, the second air path, the first air pipe, and the first air path continuously provide adsorption force for the flaky product, thereby achieving the purpose of fixation. During operation, the lathe spindle drives the suction cup seat to rotate through the lathe chuck, thereby driving the flaky product to rotate, thereby achieving the turning processing of the flaky product.

[0032] Compared with the prior art, the beneficial effect of the utility model is that the fixing method of vacuum adsorption is used to replace the fixing method of claw clamping, which can meet the processing requirements of thin sheet products on the one hand, and reduce the deformation of thin sheet products during processing on the other hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is an axonometric diagram of an embodiment of the utility model;

[0034] Figure 2 for Figure 1 Schematic diagram of longitudinal section;

[0035] Figure 3 This is an exploded view of the suction cup seat according to an embodiment of the present invention.

[0036] As shown in the figure:

[0037] 1-suction cup seat, 11-first gas path, 111-main gas path, 112-secondary gas path, 1121-radial section, 1122-axial section, 113-adsorption port, 12-adsorption end face, 121-annular adsorption area, 122-first annular groove, 1221-first sealing ring, 123-second annular groove, 1231-second sealing ring, 13-first air pipe, 131-first joint, 132-second joint, 14-sealing plug;

[0038] 2- Lathe chuck;

[0039] 3-rotating connection block, 31-second gas path, 32-rotating joint;

[0040] 4-vacuum generator, 41-suction port, 42-air inlet, 43-second air pipe, 44-third joint, 45-fourth joint. DETAILED DESCRIPTION

[0041] The following is a detailed explanation of the implementation of the present invention in conjunction with the accompanying drawings. The accompanying drawings are for reference and illustration only and do not constitute a limitation on the scope of patent protection of the present invention.

[0042] See also Figures 1 - 3 In this embodiment, a lathe vacuum suction structure tooling for processing ultra-thin products includes:

[0043] The suction cup seat 1 has a first air path 11 formed inside, one end of the first air path 11 extends to the outer end of the suction cup seat 1 and forms an adsorption end surface 12, and the other end of the first air path 11 extends to the inner end of the suction cup seat 1 and is connected to a first air pipe 13;

[0044] The lathe chuck 2 is coaxially arranged with the suction cup seat 1, the clamping end acts on the suction cup seat 1, and the connecting end is connected with the lathe spindle;

[0045] The rotating connection block 3 has a second air path 31 formed therein, one end of the second air path 31 extends to the inner end of the rotating connection block 3 and is connected to the end of the first air pipe 13 away from the suction cup seat 1, and the other end of the second air path 31 extends to the outer end of the rotating connection block 3 and is connected to a rotating joint 32;

[0046] The vacuum generator 4 is provided with a suction port 41 and an air inlet 42 . The suction port 41 is connected to a second air pipe 43 , and the other end of the second air pipe 43 is connected to the rotary joint 32 .

[0047] The working principle of this embodiment is: air pressure passes through the vacuum generator 4 from the air inlet 42 to form negative pressure on the suction port 41, and the thin sheet product to be processed is placed on the adsorption end surface 12, and the second air pipe 43, the second air path 31, the first air pipe 13, and the first air path 11 continuously provide adsorption force for the thin sheet product, thereby achieving the purpose of fixing. During operation, the lathe spindle drives the suction cup seat 1 to rotate through the lathe chuck 2, thereby driving the thin sheet product to rotate, thereby achieving the turning processing of the thin sheet product. Specifically, the lathe spindle is provided with a through hole for the first air pipe 13 to pass through coaxially, one end of the lathe spindle is directly or through a flange connected to the lathe chuck 2, and the other end of the lathe spindle is fixedly connected to the rotating connection block 3, the outer periphery of the rotating connection block 3 is provided with a thread, and is fixed to the lathe spindle through the thread. During operation, the rotating connection block 3 is connected to the second air pipe 43 through the rotating joint 32 to prevent the second air pipe 43 and the vacuum generator 4 from rotating.

[0048] Preferably, the first gas path 11 comprises:

[0049] The main air path 111 is coaxially opened on the suction cup seat 1, and the outer end is connected to the first air pipe 13;

[0050] At least two secondary gas paths 112 are provided. The inner end of the primary gas path 111 is communicated with the secondary gas paths 112 . The secondary gas paths 112 extend to the adsorption end surface 12 at one end away from the primary gas path 111 , and form an adsorption port 113 .

[0051] In this embodiment, the suction cup seat 1 includes two coaxially connected first and second cones, the claws of the lathe chuck 2 act on the second cone, the main air path 111 and the secondary air path 112 are respectively formed by turning holes. Specifically, the main air path 111 is turned holes in sequence along the axial directions of the second cone and the first cone, the radial section 1121 of the secondary air path 112 is turned holes along the radial direction of the first cone, and the axial section 1122 of the secondary air path 112 is turned holes along the axial direction of the first cone, and is misaligned with the axis of the first cone when turning holes.

[0052] Preferably, the secondary gas path 112 includes a radial section 1121 and an axial section 1122 that are connected, the radial section 1121 is in communication with the primary gas path 111 , and the axial section 1122 extends axially to the adsorption end surface 12 to form the adsorption port 113 .

[0053] In this embodiment, three auxiliary gas paths 112 are provided, and the angle between the three auxiliary gas paths 112 is 120°.

[0054] Preferably, at least two of the adsorption ports 113 are arranged in a ring around the axis of the main gas path 111 , and form an annular adsorption area 121 on the adsorption end surface 12 .

[0055] In this embodiment, three adsorption ports 113 are equidistantly arranged on the adsorption end surface 12 to form an annular adsorption area 121, which can make the thin product receive force evenly.

[0056] Preferably, it also includes:

[0057] A first annular groove 122 is inwardly concavely disposed on the adsorption end surface 12 and coaxially located on the inner side of the annular adsorption area 121;

[0058] The first sealing ring 1221 is disposed in the first annular groove 122 .

[0059] In this embodiment, the first sealing ring 1221 is used to reduce air leakage during the adsorption process, thereby preventing the thin product from falling off relative to the adsorption end surface 12 during the processing.

[0060] Preferably, it also includes:

[0061] The second annular groove 123 is inwardly concavely disposed on the adsorption end surface 12 and coaxially located outside the annular adsorption area 121;

[0062] The second sealing ring 1231 is disposed in the second annular groove 123 .

[0063] In this embodiment, the second sealing ring 1231 is used to further improve the air tightness.

[0064] Preferably, it also includes:

[0065] The sealing plug 14 corresponds to the radial section 1121 one by one and is installed on the radial section 1121 along the radial direction.

[0066] In this embodiment, the suction cup base 1 after the drilling process is sealed by the sealing plug 14.

[0067] Preferably, it further includes:

[0068] The first joint 131, one end of the first air pipe 13 is connected to the main air path 111 through the first joint 131;

[0069] The second joint 132, the other end of the first air pipe 13 is connected to the second air path 31 through the second joint 132.

[0070] Preferably, it further includes:

[0071] The third joint 44, one end of the second air pipe 43 far from the rotary joint 32 is connected to the suction port 41 through the third joint 44;

[0072] The fourth joint 45, the air inlet 42 is connected to the external air pressure through the fourth joint 45.

[0073] Preferably, the lathe chuck 2 is a three-jaw chuck, and the three-jaw chuck includes a through chuck body and three jaws that can move radially. The three jaws act on the suction cup base 1 along the radial direction. It should be noted that the connection method between the lathe spindle and the lathe chuck 2 is common knowledge in the art, so it is not shown in the drawings.

[0074] The above-disclosed are only the preferred embodiments of the present invention and cannot be used to limit the scope of the patent protection of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention still fall within the scope covered by the present invention.

Claims

1. A lathe vacuum suction structure tooling for processing ultra-thin products, characterized in that: include: A suction cup seat, with a first air path formed inside, one end of the first air path extending to the outer end of the suction cup seat and forming an adsorption end surface, and the other end of the first air path extending to the inner end of the suction cup seat and connected to a first air pipe; A lathe chuck is coaxially arranged with the suction cup seat, a clamping end acts on the suction cup seat, and a connecting end is connected to the lathe spindle; A rotating connection block, with a second air path formed inside, one end of the second air path extending to the inner end of the rotating connection block and connected to the end of the first air pipe away from the suction cup seat, and the other end of the second air path extending to the outer end of the rotating connection block and connected to a rotating joint; The vacuum generator is provided with a suction port and an air inlet, the suction port is connected to a second air pipe, and the other end of the second air pipe is connected to the rotary joint.

2. The vacuum suction structure tooling for lathe processing ultra-thin products according to claim 1 is characterized in that: The first gas path comprises: A main air path is coaxially opened on the suction cup seat, and the outer end is connected to the first air pipe; At least two secondary gas paths, the inner end of the main gas path is communicated with the secondary gas path, and the secondary gas path extends to the adsorption end surface at one end away from the main gas path to form an adsorption port.

3. The vacuum suction structure tooling for lathe processing ultra-thin products according to claim 2 is characterized in that: The secondary gas path includes a radial section and an axial section that are connected. The radial section is connected to the main gas path, and the axial section extends axially to the adsorption end surface to form the adsorption port.

4. The vacuum suction structure tooling for lathe processing ultra-thin products according to claim 3 is characterized in that: At least two of the adsorption ports are arranged in a ring around the axis of the main gas path and form an annular adsorption area on the adsorption end surface.

5. The vacuum suction structure tooling for lathe processing ultra-thin products according to claim 4 is characterized in that: Also includes: A first annular groove, concavely arranged inwardly on the adsorption end surface and coaxially located on the inner side of the annular adsorption area; The first sealing ring is arranged in the first annular groove.

6. The vacuum suction structure tooling for lathe processing ultra-thin products according to claim 5 is characterized in that: Also includes: A second annular groove is concavely disposed inwardly on the adsorption end surface and coaxially located outside the annular adsorption area; The second sealing ring is arranged in the second annular groove.

7. The vacuum suction structure tooling for lathe processing ultra-thin products according to claim 3 is characterized in that: Also includes: The sealing plug corresponds to the radial section one by one and is installed on the radial section along the radial direction.

8. The vacuum suction structure tooling for lathe processing ultra-thin products according to claim 2 is characterized in that: Also includes: a first connector, through which one end of the first air pipe is connected to the main air path; A second connector, the other end of the first air pipe is connected to the second air path through the second connector.

9. The vacuum suction structure tooling for lathe processing ultra-thin products according to claim 1, characterized in that: Also includes: a third joint, wherein the second air pipe is connected to the suction port through the third joint at one end away from the rotary joint; A fourth connector, the air inlet is connected to the external air pressure through the fourth connector.

10. A lathe vacuum suction structure tooling for processing ultra-thin products according to any one of claims 1 to 9, characterized in that: The lathe chuck is a three-jaw chuck, which includes a centrally-through chuck body and three clamping jaws that can move radially, and the three clamping jaws act on the suction cup seat radially.

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