Long workpiece auxiliary fixing device for lathe

Abstract

The utility model discloses a long workpiece auxiliary fixing device for a lathe, which comprises an extension auxiliary device used for fixing the extending part of a workpiece, the extension auxiliary device comprises an extension piece and a ring sleeve fixing piece, and an adjusting structure capable of adjusting the position of the extension auxiliary device is arranged on a lathe tool. The adjusting structure comprises an adjusting base and an auxiliary adjusting structure, the lathe fixture can be installed on a lathe tool for use, can be moved to a position where machining is not hindered when not in use, and can fix a long workpiece extending out of a chuck when in use, so that the machining efficiency is improved, and the machining difficulty is reduced. According to the chuck, the long workpiece can be prevented from strong vibration and head shaking when stretching out for a long length, the machining method that the chuck needs to be repeatedly detached and clamped is avoided, more time cost is saved, and the using method is simple and direct.

Description

Technical Field

[0001] The utility model relates to the field of auxiliary equipment for lathe processing, and particularly relates to an auxiliary fixing device for long workpieces on a lathe. Background Art

[0002] When the lathe chuck rotates, it will inevitably vibrate. Since the protruding part of the workpiece installed on the chuck is generally within half a meter, the vibration received by the protruding end of the workpiece during the rotation of the chuck is small. However, when the workpiece is not installed correctly, the front end will still have a whipping phenomenon. When processing some workpieces with a long finished length, in order to prevent the front end from vibrating and whipping during cutting due to the excessive protrusion of the workpiece, it is necessary to frequently remove and clamp the workpiece on the chuck, so that the protruding end is controlled at a shorter position before cutting. Otherwise, various large dimensional errors will occur, and this processing method obviously consumes a large amount of time cost and physical strength.

[0003] Therefore, it is necessary to design a device that can assist in fixing long workpieces during processing. Summary of the Utility Model

[0004] Aiming at the above-mentioned prior art, the technology to be realized by the utility model is: it can be installed on a lathe to assist in fixing the workpiece protruding from the chuck, so that the protruding length of the workpiece from the chuck can be increased.

[0005] In order to achieve the above purpose, the utility model adopts the following scheme:

[0006] An auxiliary fixing device for long workpieces on a lathe includes an extension auxiliary device for fixing the protruding part of the workpiece. The extension auxiliary device includes an extension piece and a ring sleeve fixing piece. An adjustment structure for adjusting the position of the extension auxiliary device is arranged on the lathe, and the adjustment structure includes an adjustment base and an auxiliary adjustment structure.

[0007] Further, the extension piece in the utility model includes multiple layers of telescopic tubes, and connecting rods are fixedly arranged on the lower side of the front end of each layer of tube in the multiple layers of telescopic tubes.

[0008] Further, the multiple layers of telescopic tubes in the utility model are provided with screwing handle bolts for fixing each layer of tube.

[0009] Further, the ring sleeve fixing piece in the utility model includes an annular piece fixedly arranged at the lower end of the connecting rod. A plurality of through grooves are circularly arranged on the annular piece. Rotating wheels are arranged in the through grooves. Side grooves are arranged on both sides of the through grooves. Limit pieces that are limited to linearly move in the side grooves by hinges are arranged on both sides of the rotating wheels. A first spring for pushing the rotating wheel towards the center side of the annular piece is arranged between the limit piece and the inner wall of the side groove.

[0010] Further, the rotating wheel in the utility model is coated with soft rubber.

[0011] Furthermore, the adjustment base in the present utility model includes a bottom plate installed on a lathe machine tool. A turntable is rotatably connected to the bottom plate. Two vertical plates are fixedly provided on the left and right sides of the top of the turntable. Vertical grooves are provided on the vertical plates. Slide blocks that can slide up and down in the vertical grooves are fixedly provided on the left and right sides of the rear end of the multi-layer telescopic tube. A second spring is provided between the bottom of the slide block and the bottom of the vertical groove. An adjustment bolt is threadedly connected to the top of the vertical plate and penetrates into the interior of the vertical groove and abuts against the upper side of the slide block.

[0012] Furthermore, the auxiliary adjustment structure in the present utility model includes a groove provided on the lathe machine tool and located in front of the base. A limiting rod is fixedly provided on the inner bottom wall of the groove. A top column that can be used to upwardly press the multi-layer telescopic tube is movably sleeved on the limiting rod. A manual rotating member is provided above the groove, and the manual rotating member is sleeved on the outer wall of the top column.

[0013] Furthermore, the auxiliary adjustment structure in the present utility model further includes tying rope frames provided on the left and right sides of the lathe machine tool and located directly opposite the top column.

[0014] In summary, the beneficial effects of the present utility model compared with the prior art are as follows:

[0015] The present utility model can be installed on a lathe machine tool and can be moved to a position that does not obstruct processing when not in use. During use, it can fix the long workpiece extending from the chuck, so that the long workpiece will not have strong vibration and whipping even when extending a relatively long length, avoiding the processing method of repeatedly disassembling and clamping the chuck, saving more time costs, and the usage method is simple and direct. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional schematic diagram of the present utility model.

[0017] Figure 2 is one of the three-dimensional exploded schematic diagrams of the present utility model.

[0018] Figure 3 is the second three-dimensional exploded schematic diagram of the present utility model.

[0019] Figure 4 is a planar sectional view of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The present utility model will be further described below in conjunction with the drawings and the detailed description of the embodiments:

[0021] As Figures 1 to 4The long workpiece auxiliary fixing device for a lathe shown includes an extension auxiliary device that can be used to fix the protruding part of the workpiece, the extension auxiliary device includes an extension piece 1 and a ring sleeve fixing piece 2, and an adjustment structure that can adjust the position of the extension auxiliary device is provided on the lathe machine, the adjustment structure includes an adjustment base 3 and an auxiliary adjustment structure 4. Through the extension piece and the ring sleeve fixing piece, a variety of workpieces with different protruding lengths can be fixed, so that the workpiece can be straightened during rotation, reduce vibration, and prevent head shaking. The adjustment structure is used to adjust the position of the extension auxiliary device and fix the subsequent working state, and can move the extension auxiliary device to a position that does not hinder normal processing when not in use.

[0022] The extension member 1 of the utility model includes a multi-layer telescopic tube 11, and a connecting rod 12 is fixedly arranged at the lower side of the front end of each layer of the multi-layer telescopic tube 11. The multi-layer telescopic tube is formed by overlapping multiple pipes with different diameters, and the overlapping rule is that the inner diameters overlap from large to small. The multi-layer telescopic tube can be extended and shortened by moving multiple pipes. A connecting rod is arranged at the lower side of the front end of each pipe, which is used to fix the ring sleeve fixing member. Since each pipe has a connecting rod, the stable rotation of the workpiece can be achieved by fixing each section of the workpiece through the ring sleeve fixing member on each connecting rod.

[0023] The multi-layer telescopic tube 11 of the utility model is provided with a screw bolt 5 for fixing each layer of tubes. The screw bolt is arranged on other tubes except the innermost tube, and the position is not limited. The screw bolt can be connected to the tube by threading. When the screw bolt is manually turned, the two tubes can be fixed and locked. On the contrary, the screw bolt is manually turned in the opposite direction to unlock the lock of the two tubes and turn them into a movable state.

[0024] The ring sleeve fixing member 2 in the utility model includes a ring member 21 fixedly arranged at the lower end of the connecting rod 12, a plurality of through grooves 22 are arranged in a circular array on the ring member 21, a rotating wheel 23 is arranged in the through groove 22, side grooves 24 are arranged on both sides of the through groove 22, and a limiting member 25 is hinged on both sides of the rotating wheel 23 to limit the linear movement in the side groove 24, and a spring 26 that can push the rotating wheel 23 to one side of the center of the ring member 21 is arranged between the limiting member 25 and the inner wall of the side groove 24. The ring member is arranged in a ring shape and can be inserted into the workpiece. When inserted, due to the action of the spring 1, the rotating wheel will be close to the surface of the workpiece, and automatically adapt under the elastic action of the spring 1, so that the multiple rotating wheels are always close to the surface of the workpiece. The limiting member and the side groove are used to limit the movement of the rotating wheel. The through groove is used to provide space for the rotating wheel to move, and the setting position is on the ring of the ring member and is evenly distributed.

[0025] In the present utility model, the adjustment base 3 includes a bottom plate 31 installed on a lathe machine tool. A turntable 32 is rotatably connected to the bottom plate 31. Two vertical plates 33 are fixedly provided on the left and right sides of the top of the turntable 32. A vertical groove 34 is provided on the vertical plate 33. Slide blocks 35 that can slide up and down in the vertical groove 34 are fixedly provided on the left and right sides of the rear end of the multi-layer telescopic tube 11. A second spring 36 is provided between the bottom of the slide block 35 and the bottom of the vertical groove 34. An adjustment bolt 37 that penetrates into the interior of the vertical groove 34 and abuts against the upper side of the slide block 35 is threadedly connected to the top of the vertical plate 33. The turntable can rotate relative to the bottom plate, so the two vertical plates thereon can drive the entire multi-layer telescopic tube to rotate. Therefore, when the auxiliary fixing device is not needed, the multi-layer telescopic tube can be rotated to move it to the side or rear of the machine tool without affecting normal cutting work. When in use, the multi-layer telescopic tube can be pushed forward again for use. The multi-layer telescopic tube can adjust its position up and down through the arrangement of the slide block and the vertical groove. Since the second spring can keep the slide block moving upward, when the adjustment bolt is rotated, the height of the slide block can be changed accordingly, and thus the height of the multi-layer telescopic tube can be adjusted accordingly.

[0026] In the present utility model, the auxiliary adjustment structure 4 includes a groove 41 provided on the lathe machine tool and located in front of the base. A limiting rod 42 is fixedly provided on the inner bottom wall of the groove 41. A top column 43 that can be used to press the multi-layer telescopic tube 11 upward is movably sleeved on the limiting rod 42. A manual rotating member 44 is provided above the groove 41, and the manual rotating member 44 is sleeved on the outer wall of the top column 43. The function of the auxiliary adjustment structure is to assist the adjustment base in adjusting the height of the multi-layer telescopic tube or correcting the inclination. When the manual rotating member is rotated, the thread drives it upward to press the multi-layer telescopic tube. Since the top column is limited by the limiting rod and can only move up and down, when the manual rotating member is rotated, the top column can move up and down to press the multi-layer telescopic tube to be flush with the height adjusted by the adjustment base, so that the multi-layer telescopic tube is in a parallel state.

[0027] In the present utility model, the auxiliary adjustment structure 4 further includes rope tying frames 45 provided on the left and right sides of the lathe machine tool and located opposite to the top column 43. The rope tying frames can be tied with ropes or belts, and the multi-layer telescopic tube can be fixed by tightening the ropes and belts to press it against the top column. The adjustment base and the auxiliary adjustment structure generally rarely need to be adjusted again after being debugged. Therefore, each time it is used, the rope or belt on the rope tying frame can be tightened for use.

[0028] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An auxiliary fixing device for a long workpiece for a lathe, characterized in that: The invention comprises an extension auxiliary device which can be used to fix the protruding part of a workpiece, the extension auxiliary device comprises an extension piece (1) and a ring sleeve fixing piece (2), and an adjustment structure which can adjust the position of the extension auxiliary device is arranged on a lathe machine tool, the adjustment structure comprises an adjustment base (3) and an auxiliary adjustment structure (4).

2. The long workpiece auxiliary fixing device for a lathe according to claim 1, characterized in that The extension piece (1) comprises a plurality of telescopic tubes (11), and a connecting rod (12) is fixedly provided on the lower side of the front end of each tube layer of the plurality of telescopic tubes (11).

3. The long workpiece auxiliary fixing device for a lathe according to claim 2, characterized in that The multi-layer telescopic tube (11) is provided with a screw-handle bolt (5) for fixing each layer of the tube.

4. The long workpiece auxiliary fixing device for a lathe according to claim 2, characterized in that The annular sleeve fixing member (2) comprises an annular member (21) fixedly mounted on the lower end of the connecting rod (12); a plurality of through grooves (22) are arranged in a circular array on the annular member (21); a rotating wheel (23) is arranged in the through groove (22); side grooves (24) are arranged on both sides of the through groove (22); limiting members (25) are hingedly arranged on both sides of the rotating wheel (23) for limiting linear movement in the side grooves (24); and a spring (26) is arranged between the limiting member (25) and the inner wall of the side groove (24) for pushing the rotating wheel (23) toward the center of the annular member (21).

5. The long workpiece auxiliary fixing device for a lathe according to claim 4, characterized in that The rotating wheel (23) is coated with soft rubber.

6. The long workpiece auxiliary fixing device for a lathe according to claim 2, characterized in that The adjustment base (3) comprises a bottom plate (31) mounted on a lathe machine tool, a turntable (32) rotatably connected to the bottom plate (31), two vertical plates (33) fixedly arranged on the left and right sides of the top of the turntable (32), a vertical groove (34) arranged on the vertical plates (33), a slider (35) capable of sliding up and down in the vertical groove (34) fixedly arranged on the left and right sides of the rear end of the multi-layer telescopic tube (11), a spring (36) arranged between the bottom of the slider (35) and the bottom of the vertical groove (34), and an adjustment bolt (37) threadedly connected to the top of the vertical plate (33) and inserted into the inside of the vertical groove (34) and abutting against the upper side of the slider (35).

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