Efficient nut fixture for lathe

Abstract

The utility model discloses lathe high -efficient nut fixing device, including the clamping concrete, the clamping concrete lateral wall symmetry is connected with two support arms, and the clamping concrete center place swing has passed the mandrel, and the mandrel one end is equipped with the nut and the gasket, the lathe high -efficient nut fixing device provided by the utility model can realize lathe back loading body clamping positioning device fast, can reduce the positioning error of work piece, solves the nut easy to loosen, and the problem such as not firm connection when using the existing fixing device.

Description

Technical Field

[0001] This utility model belongs to the field of high-efficiency nut fixing technology for lathes, and relates to a high-efficiency nut fixing device for lathes. Background Technology

[0002] In mechanical devices used for clamping and positioning machined rotating parts, the nut is a key fixing element, and its installation stability has a significant impact on the overall performance of the device. However, traditional nut fixing methods have many shortcomings, such as the nut being prone to loosening and the connection being insecure, which bring many inconveniences to the normal operation of the mechanical device.

[0003] Therefore, it is necessary to study a device that can quickly realize the clamping and positioning of lathe rotating parts, and achieve a breakthrough in a new method for clamping lathe rotating parts. Utility Model Content

[0004] The purpose of this invention is to provide a high-efficiency nut fixing device for lathes, which can quickly realize the lathe reloading and clamping positioning device, reduce the positioning error of the workpiece, and solve the problems of easy loosening of nuts and unstable connection when using existing fixing devices.

[0005] The technical solution adopted by this utility model is a high-efficiency nut fixing device for lathes, including a clamping body, two support arms symmetrically connected to the side wall of the clamping body, a spindle that moves through the center of the clamping body, and a nut and a washer sleeved on one end of the spindle.

[0006] The features of this utility model also include:

[0007] Both support arms are L-shaped columns.

[0008] Two threaded holes are symmetrically opened on the side wall of the clamp body. One end of each of the two arms is provided with a first external thread, and the ends of the two arms with the first external thread are respectively threaded into the corresponding threaded holes.

[0009] The clamp body is a stepped shaft, and two supporting arms are symmetrically threaded on the side wall of the end with the larger diameter of the clamp body.

[0010] The mandrel is a stepped shaft, and the end with the smaller diameter of the mandrel is provided with a second external thread. The mandrel moves through the center of the clamp body, and the end of the mandrel with the second external thread is set in the same direction as the two support arms.

[0011] The fixture body has a stepped through hole at its center that mates with the mandrel, and the mandrel is set inside the stepped through hole.

[0012] The diameter of the smaller end of the clamp body is larger than the diameter of the larger end of the mandrel.

[0013] The end of the mandrel with a second external thread is screwed to the nut, and a washer is placed between the nut and the clamping body.

[0014] The beneficial effects of this utility model are:

[0015] (1) The high-efficiency nut fixing device for lathes of this utility model can quickly realize the clamping and positioning of the lathe body. When positioning the workpiece, it is only necessary to combine the support arm with the fixture body, insert the mandrel from one end of the fixture body, install the shim and tighten the nut after clamping the workpiece to ensure that the workpiece and the device are tightly fitted and fixed. Then, the fixture body is installed in the lathe three-jaw chuck and fixed to realize the rapid alignment and clamping of the rotating part on the lathe.

[0016] (2) The high-efficiency nut fixing device for lathes of this utility model can complete the positioning and clamping of various specifications of rotating bodies by simply changing the spindle and nut of different specifications. Therefore, it can meet the machining positioning of rotating body parts of different specifications and sizes on the lathe, and improve its clamping efficiency and product processing quality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the high-efficiency nut fixing device for lathes according to this utility model;

[0018] Figure 2 This is an operational schematic diagram of the high-efficiency nut fixing device for lathes according to this utility model;

[0019] Figure 3 This is a schematic diagram of the clamping body in the high-efficiency nut fixing device for lathes of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the spindle of the high-efficiency nut fixing device for lathes according to this utility model.

[0021] In the diagram, 1. Nut, 2. Washer, 3. Workpiece, 4. Support arm, 5. Clamp body, 6. Mandrel. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0023] This utility model relates to a high-efficiency nut fixing device for lathes, such as... Figure 1 As shown, it includes a clamping body 5, with two symmetrically connected support arms 4 on the side wall of the clamping body 5. A spindle 6 is movably inserted through the center of the clamping body 5, and a nut 1 and a washer 2 are sleeved on one end of the spindle 6.

[0024] Furthermore, both support arms 4 are L-shaped columns. The specific connection method between the two support arms 4 and the clamping body 5 is as follows: two threaded holes are symmetrically opened on the side wall of the clamping body 5, and one end of each of the two support arms 4 is provided with a first external thread. The end of each of the two support arms 4 with the first external thread is respectively threaded into the corresponding threaded hole.

[0025] like Figure 2As shown, in use, first screw the two L-shaped support arms 4 into the two threaded holes on the clamp body 5 respectively. After finally fixing them, the two support arms 4 should be in the same direction, as shown. Figure 1 As shown, at this time, the two support arms 4 can be inserted into the two holes of the workpiece 3 to be fixed, and the two support arms 4 can fix the workpiece 3.

[0026] like Figure 3 As shown, the clamp body 5 is a stepped shaft, and the two support arms 4 are symmetrically threaded on the side wall of the larger diameter end of the clamp body 5.

[0027] like Figure 4 As shown, the spindle 6 is a stepped spindle. The end of the spindle 6 with a smaller diameter is provided with a second external thread. The spindle 6 moves through the center of the clamp body 5. The end of the spindle 6 with the second external thread is arranged in the same direction as the two support arms 4.

[0028] The clamp body 5 has a stepped through hole at its center that mates with the spindle 6. The spindle 6 is set in the stepped through hole. The step inside the clamp body 5 can limit the spindle 6. This design prevents the spindle 6 from going out of the clamp body 5 and failing to play a fixing role.

[0029] Furthermore, the smaller diameter end of the clamping body 5 is larger than the larger diameter end of the mandrel 6, ensuring that the mandrel 6 is positioned inside the clamping body 5.

[0030] The end of the spindle 6 with the second external thread is screwed to the nut 1. The washer 2 is placed between the nut 1 and the clamping body 5. The washer 2 is placed between the nut 1 and the workpiece 3 to avoid friction between the nut 1 and the workpiece 3, which would cause wear to the workpiece 3.

[0031] Working principle of this utility model of a high-efficiency nut fixing device for lathes:

[0032] First, insert the two support arms 4 into the two threaded holes on the side wall of the fixture body 5 and fix them in place. Then, insert the mandrel 6 through the center hole of the fixture body 5. By tightening the nut 1, the workpiece 3 is positioned and clamped inside the fixture body 5, the support arms 4, and the gasket 2. After fixing the device to the lathe three-jaw chuck, the parts can be processed.

[0033] This invention overcomes the problems of loose nuts and unstable connections when clamping rotary parts on lathes. It can quickly realize the clamping and positioning device for lathe rotary parts, reduce the positioning error of the workpiece, ensure the reliability of workpiece positioning, and improve the efficiency of positioning and processing and the quality of the product. It is a simple and reliable auxiliary operating device for clamping rotary parts.

[0034] This device can complete the positioning and clamping of various specifications of rotating bodies simply by changing the mandrels and nuts of different specifications. Therefore, it can meet the machining and positioning of rotating parts of different sizes on the lathe, improving its clamping efficiency and product machining quality.

[0035] Example 1

[0036] This utility model relates to a high-efficiency nut fixing device for lathes, such as... Figure 1 As shown, it includes a clamping body 5, with two symmetrically connected support arms 4 on the side wall of the clamping body 5. A spindle 6 is movably inserted through the center of the clamping body 5, and a nut 1 and a washer 2 are sleeved on one end of the spindle 6.

[0037] Example 2

[0038] This utility model relates to a high-efficiency nut fixing device for lathes, such as... Figure 1 As shown, it includes a clamping body 5, with two symmetrically connected support arms 4 on the side wall of the clamping body 5. A spindle 6 is movably inserted through the center of the clamping body 5, and a nut 1 and a washer 2 are sleeved on one end of the spindle 6.

[0039] Furthermore, both support arms 4 are L-shaped columns. The specific connection method between the two support arms 4 and the clamping body 5 is as follows: two threaded holes are symmetrically opened on the side wall of the clamping body 5, and one end of each of the two support arms 4 is provided with a first external thread. The end of each of the two support arms 4 with the first external thread is respectively threaded into the corresponding threaded hole.

[0040] like Figure 2 As shown, in use, first screw the two L-shaped support arms 4 into the two threaded holes on the clamp body 5 respectively. After finally fixing them, the two support arms 4 should be in the same direction, as shown. Figure 1 As shown, at this time, the two support arms 4 can be inserted into the two holes of the workpiece 3 to be fixed, and the two support arms 4 can fix the workpiece 3.

[0041] Example 3

[0042] This utility model relates to a high-efficiency nut fixing device for lathes, such as... Figure 1 As shown, it includes a clamping body 5, with two symmetrically connected support arms 4 on the side wall of the clamping body 5. A spindle 6 is movably inserted through the center of the clamping body 5, and a nut 1 and a washer 2 are sleeved on one end of the spindle 6.

[0043] Furthermore, both support arms 4 are L-shaped columns. The specific connection method between the two support arms 4 and the clamping body 5 is as follows: two threaded holes are symmetrically opened on the side wall of the clamping body 5, and one end of each of the two support arms 4 is provided with a first external thread. The end of each of the two support arms 4 with the first external thread is respectively threaded into the corresponding threaded hole.

[0044] like Figure 2 As shown, in use, first screw the two L-shaped support arms 4 into the two threaded holes on the clamp body 5 respectively. After finally fixing them, the two support arms 4 should be in the same direction, as shown. Figure 1 As shown, at this time, the two support arms 4 can be inserted into the two holes of the workpiece 3 to be fixed, and the two support arms 4 can fix the workpiece 3.

[0045] Furthermore, such as Figure 3 As shown, the clamp body 5 is a stepped shaft, and the two support arms 4 are symmetrically threaded on the side wall of the larger diameter end of the clamp body 5.

[0046] Example 4

[0047] This utility model relates to a high-efficiency nut fixing device for lathes, such as... Figure 1 As shown, it includes a clamping body 5, with two symmetrically connected support arms 4 on the side wall of the clamping body 5. A spindle 6 is movably inserted through the center of the clamping body 5, and a nut 1 and a washer 2 are sleeved on one end of the spindle 6.

[0048] Furthermore, both support arms 4 are L-shaped columns. The specific connection method between the two support arms 4 and the clamping body 5 is as follows: two threaded holes are symmetrically opened on the side wall of the clamping body 5, and one end of each of the two support arms 4 is provided with a first external thread. The end of each of the two support arms 4 with the first external thread is respectively threaded into the corresponding threaded hole.

[0049] like Figure 2 As shown, in use, first screw the two L-shaped support arms 4 into the two threaded holes on the clamp body 5 respectively. After finally fixing them, the two support arms 4 should be in the same direction, as shown. Figure 1 As shown, at this time, the two support arms 4 can be inserted into the two holes of the workpiece 3 to be fixed, and the two support arms 4 can fix the workpiece 3.

[0050] Furthermore, such as Figure 3 As shown, the clamp body 5 is a stepped shaft, and the two support arms 4 are symmetrically threaded on the side wall of the larger diameter end of the clamp body 5.

[0051] Furthermore, such as Figure 4 As shown, the spindle 6 is a stepped spindle. The end of the spindle 6 with a smaller diameter is provided with a second external thread. The spindle 6 moves through the center of the clamp body 5. The end of the spindle 6 with the second external thread is arranged in the same direction as the two support arms 4.

[0052] The clamp body 5 has a stepped through hole at its center that mates with the spindle 6. The spindle 6 is set in the stepped through hole. The step inside the clamp body 5 can limit the spindle 6. This design prevents the spindle 6 from going out of the clamp body 5 and failing to play a fixing role.

[0053] Furthermore, the smaller diameter end of the clamping body 5 is larger than the larger diameter end of the mandrel 6, ensuring that the mandrel 6 is positioned inside the clamping body 5.

[0054] Example 5

[0055] This utility model relates to a high-efficiency nut fixing device for lathes, such as... Figure 1As shown, it includes a clamping body 5, with two symmetrically connected support arms 4 on the side wall of the clamping body 5. A spindle 6 is movably inserted through the center of the clamping body 5, and a nut 1 and a washer 2 are sleeved on one end of the spindle 6.

[0056] Furthermore, both support arms 4 are L-shaped columns. The specific connection method between the two support arms 4 and the clamping body 5 is as follows: two threaded holes are symmetrically opened on the side wall of the clamping body 5, and one end of each of the two support arms 4 is provided with a first external thread. The end of each of the two support arms 4 with the first external thread is respectively threaded into the corresponding threaded hole.

[0057] like Figure 2 As shown, in use, first screw the two L-shaped support arms 4 into the two threaded holes on the clamp body 5 respectively. After finally fixing them, the two support arms 4 should be in the same direction, as shown. Figure 1 As shown, at this time, the two support arms 4 can be inserted into the two holes of the workpiece 3 to be fixed, and the two support arms 4 can fix the workpiece 3.

[0058] Furthermore, such as Figure 3 As shown, the clamp body 5 is a stepped shaft, and the two support arms 4 are symmetrically threaded on the side wall of the larger diameter end of the clamp body 5.

[0059] Furthermore, such as Figure 4 As shown, the spindle 6 is a stepped spindle. The end of the spindle 6 with a smaller diameter is provided with a second external thread. The spindle 6 moves through the center of the clamp body 5. The end of the spindle 6 with the second external thread is arranged in the same direction as the two support arms 4.

[0060] The clamp body 5 has a stepped through hole at its center that mates with the spindle 6. The spindle 6 is set in the stepped through hole. The step inside the clamp body 5 can limit the spindle 6. This design prevents the spindle 6 from going out of the clamp body 5 and failing to play a fixing role.

[0061] Furthermore, the smaller diameter end of the clamping body 5 is larger than the larger diameter end of the mandrel 6, ensuring that the mandrel 6 is positioned inside the clamping body 5.

[0062] Furthermore, the end of the mandrel 6 with a second external thread is screwed to the nut 1, and the washer 2 is placed between the nut 1 and the clamping body 5. Specifically, the washer 2 is placed between the nut 1 and the workpiece 3 to prevent friction between the nut 1 and the workpiece 3 from causing wear to the workpiece 3.

[0063] Example 6

[0064] Working principle of this utility model of a high-efficiency nut fixing device for lathes:

[0065] First, insert the two support arms 4 into the two threaded holes on the side wall of the fixture body 5 and fix them in place. Then, insert the mandrel 6 through the center hole of the fixture body 5. By tightening the nut 1, the workpiece 3 is positioned and clamped inside the fixture body 5, the support arms 4, and the gasket 2. After fixing the device to the lathe three-jaw chuck, the parts can be processed.

Claims

1. A lathe high efficiency nut fixture, characterized in that, The clamping body (5) includes two symmetrically connected support arms (4) on its side wall. A spindle (6) is movably inserted through the center of the clamping body (5). A nut (1) and a washer (2) are fitted at one end of the spindle (6).

2. The lathe high efficiency nut fixture of claim 1, wherein, Both of the aforementioned support arms (4) are L-shaped columns.

3. The lathe high efficiency nut fixture of claim 2, wherein, The clamp body (5) has two threaded holes symmetrically opened on its side wall. One end of each of the two support arms (4) is provided with a first external thread, and the ends of the two support arms (4) with the first external thread are respectively threaded into the corresponding threaded holes.

4. The lathe high efficiency nut fixture of claim 3, wherein, The clamp body (5) is a stepped shaft, and the two support arms (4) are symmetrically threaded on the side wall of the end with the larger diameter of the clamp body (5).

5. The lathe high efficiency nut fixture of claim 4, wherein, The mandrel (6) is a stepped shaft. The end of the mandrel (6) with a smaller diameter is provided with a second external thread. The mandrel (6) moves through the center of the clamp body (5). The end of the mandrel (6) with the second external thread is arranged in the same direction as the two support arms (4).

6. The high-efficiency nut fixing device for lathes according to claim 5, characterized in that, The clamping body (5) has a stepped through hole at its center that matches the mandrel (6), and the mandrel (6) is set inside the stepped through hole.

7. The high-efficiency nut fixing device for lathes according to claim 6, characterized in that, The smaller diameter end of the clamping body (5) is larger than the larger diameter end of the mandrel (6).

8. The high-efficiency nut fixing device for lathes according to claim 7, characterized in that, The mandrel (6) is screwed to the nut (1) at one end with a second external thread, and the washer (2) is disposed between the nut (1) and the clamping body (5).

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