Lathe fixture for profiled tube joints

Abstract

The utility model provides a lathe clamp for special-shaped pipe joint, including clamp main part, the rear end of clamp main part is provided with the clamping part, and the clamping part is used for clamping cooperation with the chuck on the lathe, the front end of clamp main part is provided with the clamping cavity, and the one side inner wall of clamping cavity is fixed with the clamping seat, and the inner wall of clamping seat is connected with the support block and the stopper, and the support block is used for abutting with the lower end of special-shaped pipe joint, and the stopper is used for abutting with the rear side of special-shaped pipe joint, the other side inner wall of clamping cavity is horizontally slidably connected with the clamping block, and the drive unit is arranged between clamping block and clamp main part, and the drive unit is used for driving clamping block to move to the side close to clamping seat to make clamping block clamp special-shaped pipe joint on clamping seat, the utility model discloses can realize the clamping of special-shaped pipe joint to special-shaped pipe joint can be reliably clamped on the machine tool to facilitate the machine tool to process special-shaped pipe joint.

Description

Technical Field

[0001] This utility model relates to the technical field of clamping devices for irregular pipe joints, and more specifically, to a lathe fixture for irregular pipe joints. Background Technology

[0002] Aviation pipe fittings are connecting devices used to connect pipes in aircraft engines. Due to the special nature of their application, aviation pipe fittings are mostly non-standard pipe fittings. Therefore, traditional lathe fixtures cannot clamp non-standard pipe fittings when machining them on machine tools. This necessitates a lathe fixture that can clamp non-standard pipe fittings. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a lathe fixture for irregular pipe fittings, which can realize the clamping of irregular pipe fittings, so that the irregular pipe fittings can be reliably clamped on the machine tool, so that the machine tool can process the irregular pipe fittings.

[0004] This utility model provides a lathe fixture for shaped pipe fittings, including a fixture body; a clamping part is provided at the rear end of the fixture body, which is used to clamp the fitting with a chuck on a lathe; a clamping cavity is provided at the front end of the fixture body, a clamping seat is fixed on one inner wall of the clamping cavity, and a support block and a stop block are connected to the inner wall of the clamping seat. The support block is used to abut against the lower end of the shaped pipe fitting, and the stop block is used to abut against the rear side of the shaped pipe fitting; a clamping block is horizontally slidably connected to the other inner wall of the clamping cavity, and a driving unit is provided between the clamping block and the fixture body. The driving unit is used to drive the clamping block to move towards the side closer to the clamping seat so that the clamping block clamps the shaped pipe fitting on the clamping seat.

[0005] By adopting the above-described structure, this utility model can achieve the clamping of irregular pipe fittings, thereby enabling the irregular pipe fittings to be reliably clamped on the machine tool so that the machine tool can process the irregular pipe fittings.

[0006] In one possible implementation, the drive unit includes a bolt; a threaded hole is provided on the side wall of the clamp body, the bolt's threaded portion passes through the threaded hole and is threadedly connected to the threaded hole, and the outer end of the clamping block is rotatably connected to the bolt's threaded portion and axially limited; with this structure, when the bolt is tightened to one side, the bolt can push the clamping block to move the clamping block closer to the clamping seat, at which time the clamping block can reliably clamp the shaped pipe fitting on the clamping seat to achieve clamping of the shaped pipe fitting; when the bolt is tightened to the other side, the bolt can pull the clamping block to move the clamping block away from the clamping seat, at which time the clamping block can release the clamping state of the shaped pipe fitting.

[0007] In one possible implementation, a rotating shaft is coaxially arranged on the inner end of the screw portion, and a shaft hole is provided on the outer end of the clamping block. The rotating shaft is inserted into the shaft hole and rotatably connected to the shaft hole. An annular groove is provided on the outer peripheral wall of the rotating shaft, and two pins are inserted into the clamping block at an upper and lower interval. The two pins are located on both sides of the rotating shaft in the radial direction, and both pins are partially engaged with the annular groove. With this structure, under the cooperation of the rotating shaft and the shaft hole, the screw portion of the bolt can be reliably rotatably connected to the clamping block. Under the action of the two pins being partially engaged with the annular groove, the screw portion of the bolt can reliably achieve axial positioning with the clamping block. That is, when the bolt is tightened to one side or the other side, the clamping block can be reliably driven to reciprocate.

[0008] In one possible implementation, a sliding cavity is provided on the inner wall of the other side of the clamping cavity, and the clamping block is slidably fitted in the sliding cavity; by adopting this structure, under the sliding fit between the clamping block and the sliding cavity, the clamping block can be reliably slidably connected to the clamping body located on the other side of the clamping cavity.

[0009] In one possible implementation, a first slot and a second slot are provided on the inner wall of the clamp; the first slot and the second slot are respectively horizontally corresponding to the support block and the stop block, and the outer ends of the support block and the stop block are respectively inserted into the first slot and the second slot; by adopting this structure, after the outer ends of the support block and the stop block are respectively engaged with the first slot and the second slot, the support block and the stop block can be reliably assembled with the clamp.

[0010] In one possible implementation, both the upper and lower ends of the clamp are fastened to the clamp body by a fastening component that passes through the clamp and the clamp body; with this structure, the clamp can be reliably fixed to one side of the inner wall of the clamping cavity by the action of the two fastening components. Attached Figure Description

[0011] Figure 1 A three-dimensional structural diagram of a lathe fixture clamping a non-shaped pipe joint; Figure 2 This is a three-dimensional structural diagram of the disassembled irregular pipe fitting and lathe fixture. Figure 3 A partially exploded three-dimensional structural diagram of a lathe fixture; Figure 4 This is a cross-sectional view of a lathe fixture. Figure 5 for Figure 4 A magnified structural diagram of point A in the middle. Detailed Implementation

[0012] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0013] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0014] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0015] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0016] See Figures 1-5 As shown in the figure, this application discloses a lathe fixture for a non-standard pipe fitting, including a fixture body 1; a clamping part 11 is provided at the rear end of the fixture body 1, which is used to clamp with a chuck on a lathe; a clamping cavity 12 is provided at the front end of the fixture body 1, a clamping seat 2 is fixed on one side of the inner wall of the clamping cavity 12, a support block 3 and a stop block 4 are connected to the inner wall of the clamping seat 2, the support block 3 is used to abut against the lower end of the non-standard pipe fitting 5, and the stop block 4 is used to abut against the rear side of the non-standard pipe fitting 5; a clamping block 6 is horizontally slidably connected to the other side of the inner wall of the clamping cavity 12, and a driving unit is provided between the clamping block 6 and the fixture body 1, the driving unit is used to drive the clamping block 6 to move towards the side closer to the clamping seat 2 so that the clamping block 6 clamps the non-standard pipe fitting 5 on the clamping seat 2.

[0017] The drive unit includes a bolt 7; a threaded hole 13 is provided on the side wall of the clamp body 1, the threaded part 71 of the bolt 7 passes through the threaded hole 13 and is threadedly connected to the threaded hole 13, and the outer end of the clamping block 6 is rotatably connected to the threaded part 71 of the bolt 7 and axially limited; with this structure, when the bolt is tightened to one side, the bolt can push the clamping block to move the clamping block to the side closer to the clamping seat. At this time, the clamping block can reliably clamp the non-shaped pipe joint on the clamping seat to realize the clamping of the non-shaped pipe joint. When the bolt is tightened to the other side, the bolt can pull the clamping block to move the clamping block away from the clamping seat. At this time, the clamping block can release the clamping state of the non-shaped pipe joint.

[0018] A rotating shaft 72 is coaxially arranged on the inner end of the screw part 71, and a shaft hole 61 is provided on the outer end of the clamping block 6. The rotating shaft 72 is inserted into the shaft hole 61 and rotatably connected to the shaft hole 61. An annular groove 73 is provided on the outer peripheral wall of the rotating shaft 72. Two pins 8 are inserted into the clamping block 6 at an interval between the upper and lower parts. The two pins 8 are located on both sides of the rotating shaft 72 in the radial direction, and both pins 8 are partially engaged with the annular groove 73. With this structure, under the cooperation of the rotating shaft and the shaft hole, the screw part of the bolt can be reliably rotatably connected to the clamping block. Under the action of the two pins being partially engaged with the annular groove, the screw part of the bolt can reliably achieve axial positioning with the clamping block. That is, when the bolt is turned to one side or the other side, the clamping block can be reliably driven to reciprocate.

[0019] A sliding cavity 14 is provided on the inner wall of the other side of the clamping cavity 12, and the clamping block 6 is slidably fitted in the sliding cavity 14. With this structure, under the sliding fit between the clamping block and the sliding cavity, the clamping block can be reliably slidably connected to the clamping body located on the other side of the clamping cavity.

[0020] The inner wall of the clamp 2 is provided with a first slot 21 and a second slot 22; the first slot 21 and the second slot 22 are respectively horizontally corresponding to the support block 3 and the stop block 4, and the outer ends of the support block 3 and the stop block 4 are respectively inserted into the first slot 21 and the second slot 22; by adopting this structure, after the outer ends of the support block and the stop block are respectively engaged with the first slot and the second slot, the support block and the stop block can be reliably assembled with the clamp.

[0021] Both the upper and lower ends of the clamp 2 are fastened to the clamp body 1 by a fastening component 9 that passes through the clamp 2 and the clamp body 1. With this structure, the clamp can be reliably fixed to the inner wall of one side of the clamping cavity under the action of the two fastening components. The fastening components include a screw and a nut. The screw thread passes through the side wall of the clamp and the clamp body in sequence and is threadedly fastened to the nut.

[0022] When using this utility model, firstly, the clamping part on the fixture body is fitted with the chuck on the lathe. Then, the shaped pipe joint is placed in the clamping cavity on the fixture body, so that the lower end of the shaped pipe joint abuts against the support block and the rear side of the shaped pipe joint abuts against the stop block. Then, the bolt is turned to one side to push the clamping block so that the clamping block clamps the shaped pipe joint on the clamping seat. At this time, the shaped pipe joint can be processed by the machine tool. After the shaped pipe joint is processed by the machine tool, the bolt is turned to the other side to pull the clamping block to move and reset. At this time, the clamping state of the shaped pipe joint can be released, and the processed shaped pipe joint can be taken out from the clamping cavity.

[0023] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A lathe fixture for irregularly shaped pipe fittings, characterized in that: The fixture includes a main body (1); a clamping part (11) is provided at the rear end of the main body (1), which is used to clamp the fixture with a chuck on a lathe; a clamping cavity (12) is provided at the front end of the main body (1), and a clamping seat (2) is fixed on one side of the inner wall of the clamping cavity (12). A support block (3) and a stop block (4) are connected on the inner wall of the clamping seat (2). The support block (3) is used to abut against the lower end of the shaped pipe joint (5), and the stop block (4) is used to abut against the rear side of the shaped pipe joint (5); a clamping block (6) is horizontally slidably connected on the other side of the inner wall of the clamping cavity (12). A driving unit is provided between the clamping block (6) and the main body (1), and the driving unit is used to drive the clamping block (6) to move towards the side closer to the clamping seat (2) so that the clamping block (6) clamps the shaped pipe joint (5) on the clamping seat (2).

2. The lathe fixture for irregularly shaped pipe fittings according to claim 1, characterized in that: The drive unit includes a bolt (7); a threaded hole (13) is provided on the side wall of the clamp body (1), the screw part (71) of the bolt (7) passes through the threaded hole (13) and is threadedly connected to the threaded hole (13), and the outer end of the clamping block (6) is rotatably connected to the screw part (71) of the bolt (7) and axially limited.

3. The lathe fixture for irregularly shaped pipe fittings according to claim 2, characterized in that: A rotating shaft (72) is coaxially provided on the inner end of the screw part (71), and a shaft hole (61) is provided on the outer end of the clamping block (6). The rotating shaft (72) is inserted into the shaft hole (61) and rotatably connected to the shaft hole (61). An annular groove (73) is provided on the outer peripheral wall of the rotating shaft (72). Two pins (8) are inserted on the clamping block (6) and are spaced apart vertically. The two pins (8) are located on both sides of the rotating shaft (72) in the radial direction, and both pins (8) are partially engaged with the annular groove (73).

4. The lathe fixture for irregularly shaped pipe fittings according to any one of claims 1-3, characterized in that: A sliding cavity (14) is provided on the inner wall of the other side of the clamping cavity (12), and the clamping block (6) slides in the sliding cavity (14).

5. The lathe fixture for irregularly shaped pipe fittings according to any one of claims 1-3, characterized in that: The inner wall of the clamp (2) is provided with a first slot (21) and a second slot (22); the first slot (21) and the second slot (22) are respectively horizontally corresponding to the support block (3) and the stop block (4), and the outer end of the support block (3) and the outer end of the stop block (4) are respectively inserted into the first slot (21) and the second slot (22).

6. The lathe fixture for irregularly shaped pipe fittings according to any one of claims 1-3, characterized in that: The upper and lower ends of the clamp (2) are fastened to the clamp body (1) by a fastening component (9) that passes through the clamp (2) and the clamp body (1).

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