A threaded shaft machining positioning device

Abstract

The utility model relates to the technical field of threaded shaft processing, and specifically to a threaded shaft machining positioning device, which is installed on a base through an optical axis positioning device, a fixed seat is fixedly installed on the base, a screw rod is threadedly connected with the fixed seat, an internal thread sleeve is fixedly installed on the screw rod and is located at one end of the screw rod away from the fixed seat, a threaded section of the threaded shaft is threadedly connected with the internal thread sleeve, a supporting component is installed on the base, a rotating component drives the screw rod to rotate, the optical axis section of the threaded shaft is fixed through the optical axis positioning device, the rotating component drives the internal thread sleeve to rotate and move through the screw rod, the internal thread sleeve cooperates with the threaded section of the threaded shaft through rotation and movement, and the movement of the internal thread sleeve is more stable through the supporting component, thereby achieving the fixing effect of the threaded section of the threaded shaft and avoiding the threaded section on the threaded shaft from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of threaded shaft processing, in particular to a threaded shaft lathe processing positioning device. Background Art

[0002] When a conventional mechanical shaft is turned, the end of the mechanical shaft is usually fixed on a chuck, and the end of the mechanical shaft is fixed by a movable jaw on the chuck, so that the end face or outer circle of the mechanical shaft is turned.

[0003] However, when using a conventional mechanical shaft fixing method, since the threaded shaft is provided with a threaded section, when the movable jaws on the chuck move toward the center of the chuck, the threads on the threaded shaft are easily damaged. Utility Model Content

[0004] The utility model aims to provide a threaded shaft machining positioning device, which solves the problem that the threads on the threaded shaft are easily damaged when the movable claws on the chuck move toward the center of the chuck due to the threaded sections on the threaded shaft.

[0005] To achieve the above-mentioned purpose, the utility model provides a threaded shaft turning positioning device, including a base and an optical axis positioning device, the optical axis positioning device is installed on the base, and also includes a threaded segment positioning device, the threaded segment positioning device includes an internal threaded sleeve, a fixed seat, a screw rod, a support assembly and a rotating assembly, the fixed seat is fixedly installed on the base, the screw rod is threadedly connected to the fixed seat, the internal threaded sleeve is fixedly installed on the screw rod and is located at the end of the screw rod away from the fixed seat, the threaded segment of the threaded shaft is threadedly connected to the internal threaded sleeve, the support assembly is installed on the base, and the rotating assembly drives the screw rod to rotate.

[0006] Wherein, the rotating assembly comprises a rotating disk and a shifting rod, wherein the rotating disk is fixedly mounted on the screw rod and is located at an end of the screw rod away from the internal threaded sleeve; and the shifting rod is fixedly mounted on the rotating disk.

[0007] Among them, the supporting assembly includes a moving block and a bearing, a movable groove is provided on the side of the base close to the fixed seat, the moving block is slidably installed on the base and is located in the movable groove; the outer ring of the bearing is fixedly installed on the moving block, and the internal threaded sleeve is fixedly connected to the inner ring of the bearing.

[0008] Wherein, the optical axis positioning device includes a support seat, a fixing ring and a fastening screw, the support seat is fixedly mounted on the base and is located on a side of the base away from the fixing seat; the fixing ring is fixedly mounted on the support seat; the fastening screw is threadedly connected to the fixing ring.

[0009] Wherein, the optical axis positioning device also includes a rubber pad, and the rubber pad is fixedly mounted on the fastening screw.

[0010] The utility model discloses a threaded shaft machining positioning device. When in use, the optical axis segment of the threaded shaft is fixed by the optical axis positioning device, and then the lever is toggled to drive the rotating disk to rotate, the rotating disk is fixedly connected to the screw rod, the screw rod is threadedly connected to the fixing seat, the rotation of the rotating disk drives the screw rod to rotate, the end of the screw rod away from the rotating disk is fixedly connected to the internal thread sleeve, the rotation of the screw rod drives the internal thread sleeve to rotate and move through the threaded connection, at the same time, the outer ring of the bearing is fixedly connected to the moving block, the moving block is located in the movable groove, the inner ring of the bearing is fixedly connected to the internal thread sleeve, the internal thread sleeve drives the bearing and the moving block to move in the movable groove during the movement, the moving block supports the internal thread sleeve through the bearing, the internal thread sleeve is matched with the thread segment of the threaded shaft through the rotation and movement of the internal thread sleeve, and then the threaded shaft is machined, thereby achieving the fixing effect of the thread segment of the threaded shaft and avoiding the thread segment on the threaded shaft from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0012] Figure 1 It is a schematic diagram of the overall structure of a threaded shaft lathe positioning device according to the first embodiment of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the internal thread sleeve of the first embodiment of the utility model.

[0014] Figure 3 It is a schematic diagram of the overall structure of a threaded shaft turning and positioning device according to the second embodiment of the utility model.

[0015] In the figure: 101-base, 102-internal threaded sleeve, 103-fixed seat, 104-screw, 105-threaded shaft, 106-rotating plate, 107-shift rod, 108-moving block, 109-bearing, 110-movable groove, 201-support seat, 202-fixed ring, 203-fastening screw, 204-rubber pad. DETAILED DESCRIPTION

[0016] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0017] The first embodiment of the present application is:

[0018] See also Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the overall structure of a threaded shaft lathe positioning device according to the first embodiment of the utility model. Figure 2 It is a structural schematic diagram of the internal thread sleeve of the first embodiment of the utility model.

[0019] The utility model provides a threaded shaft machining positioning device: it includes a base 101 and an optical axis positioning device, and also includes a threaded segment positioning device, the threaded segment positioning device includes an internal threaded sleeve 102, a fixed seat 103, a screw 104, a support assembly and a rotating assembly, the rotating assembly includes a rotating disk 106 and a lever 107, and the supporting assembly includes a moving block 108 and a bearing 109. The above-mentioned scheme solves the above-mentioned problem that due to the threaded shaft being provided with a threaded segment, when the movable claw on the chuck moves toward the center of the chuck, it is easy to cause damage to the threads on the threaded shaft. It can be understood that this scheme can also be used to solve the problem of fixing the optical axis segment of the threaded shaft.

[0020] In this embodiment, the rotating assembly drives the internal threaded sleeve 102 to cooperate with the threaded section of the threaded shaft 105 through the screw rod 104, thereby achieving a fixing effect on the threaded section of the threaded shaft 105 and avoiding damage to the threaded section on the threaded shaft 105.

[0021] The fixing seat 103 is fixedly mounted on the base 101, the screw rod 104 is threadedly connected to the fixing seat 103, the internal threaded sleeve 102 is fixedly mounted on the screw rod 104 and is located at the end of the screw rod 104 away from the fixing seat 103, the threaded section of the threaded shaft 105 is threadedly connected to the internal threaded sleeve 102, the supporting assembly is mounted on the base 101, the rotating assembly drives the screw rod 104 to rotate, the fixing seat 103 is welded on the base 101, the interior of the fixing seat 103 is provided with an internal thread, the screw rod 104 is a rod-shaped structure with a thread on its surface, and the internal threaded sleeve 102 is The sleeve-shaped structure is hollow inside, and the interior of the internally threaded sleeve 102 is provided with an internal thread. The axis of the screw rod 104 coincides with the axis of the internally threaded sleeve 102. The support component makes the movement of the internally threaded sleeve 102 more stable, and the rotating component makes the screw rod 104 have a better rotation effect. The rotating component drives the screw rod 104 to rotate, and the rotation of the screw rod 104 drives the internally threaded sleeve 102 to rotate and move through the threaded connection until it cooperates with the threaded segment of the threaded shaft 105, thereby achieving the fixing effect of the threaded segment of the threaded shaft 105 and avoiding the threaded segment on the threaded shaft 105 from being damaged.

[0022] Secondly, the rotating disk 106 is fixedly mounted on the screw rod 104 and is located at the end of the screw rod 104 away from the internal threaded sleeve 102; the lever 107 is fixedly mounted on the rotating disk 106, the rotating disk 106 is a disk-shaped structure, the rotating disk 106 is welded to the screw rod 104, the lever 107 is a cylindrical structure, the number of the lever 107 is four groups, and the four groups of levers 107 are distributed in a ring on the rotating disk 106. The lever 107 is driven to rotate the rotating disk 106, and the rotation of the rotating disk 106 drives the screw rod 104 to rotate, thereby achieving a rotation effect on the screw rod 104.

[0023] Again, a movable groove 110 is provided on one side of the base 101 close to the fixed seat 103, and the moving block 108 is slidably mounted on the base 101 and is located in the movable groove 110; the outer ring of the bearing 109 is fixedly mounted on the moving block 108, and the internal threaded sleeve 102 is fixedly connected to the inner ring of the bearing 109, and the upper end of the moving block 108 is an arc-shaped structure, and the outer ring of the bearing 109 is welded to the moving block 108, and the axis of the bearing 109 coincides with the axis of the screw rod 104. When the internal threaded sleeve 102 moves, it drives the bearing 109 and the moving block 108 to move synchronously. At the same time, the moving block 108 supports the internal threaded sleeve 102 through the bearing 109, so that the movement of the internal threaded sleeve 102 is more stable.

[0024] In this embodiment, when in use, the optical axis segment of the threaded shaft 105 is fixed by the optical axis positioning device, and then the lever 107 is toggled to drive the rotating disk 106 to rotate, the rotating disk 106 is fixedly connected to the screw rod 104, the screw rod 104 is threadedly connected to the fixing seat 103, the rotation of the rotating disk 106 drives the screw rod 104 to rotate, the end of the screw rod 104 away from the rotating disk 106 is fixedly connected to the internal threaded sleeve 102, the rotation of the screw rod 104 drives the internal threaded sleeve 102 to rotate and move through the threaded connection, and at the same time, the outer ring of the bearing 109 is fixedly connected to the moving block 108, The moving block 108 is located in the movable groove 110, and the inner ring of the bearing 109 is fixedly connected to the internal threaded sleeve 102. The internal threaded sleeve 102 drives the bearing 109 and the moving block 108 to move in the movable groove 110 during the movement. The moving block 108 supports the internal threaded sleeve 102 through the bearing 109. The internal threaded sleeve 102 is rotated and moved so that the internal threaded sleeve 102 cooperates with the threaded segment of the threaded shaft 105. Then, the threaded shaft 105 is machined, thereby achieving the fixing effect of the threaded segment of the threaded shaft 105 and avoiding the threaded segment on the threaded shaft 105 from being damaged.

[0025] The second embodiment of the present application is:

[0026] See also Figure 3 ,in Figure 3 It is a schematic diagram of the overall structure of a threaded shaft turning and positioning device according to the second embodiment of the utility model. On the basis of the first embodiment, the threaded shaft turning and positioning device according to this embodiment also includes an optical axis positioning device, and the optical axis positioning device includes a support seat 201, a fixing ring 202 and a fastening screw 203, and the optical axis positioning device also includes a rubber pad 204.

[0027] In this embodiment, the rubber pad 204 is driven by the fastening screw 203 to abut against the threaded shaft 105 , thereby achieving a fixing effect on the optical axis section of the threaded shaft 105 .

[0028] Among them, the support seat 201 is fixedly installed on the base 101 and is located on a side of the base 101 away from the fixing seat 103; the fixing ring 202 is fixedly installed on the support seat 201; the fastening screw 203 is threadedly connected with the fixing ring 202, the support seat 201 is welded on the base 101, the upper end of the support seat 201 is an arc-shaped structure, the fixing ring 202 is welded on the support seat 201, the axis of the fixing ring 202 coincides with the axis of the internal threaded sleeve 102, the number of the fastening screws 203 is three groups, and the three groups of fastening screws 203 are annularly distributed on the fixing ring 202, the optical axis segment of the threaded shaft 105 is passed through the fixing ring 202, and then the fastening screw 203 is rotated, the fastening screw 203 moves toward the center of the fixing ring 202 through the threaded connection, and abuts against the threaded shaft 105, thereby achieving the fixing effect of the optical axis segment of the threaded shaft 105.

[0029] Secondly, the rubber pad 204 is fixedly installed on the fastening screw 203, the number of the rubber pad 204 is the same as the number of the fastening screw 203, and the rubber pad 204 is a cylindrical structure. The setting of the rubber pad 204 can prevent the fastening screw 203 from damaging the threaded shaft 105.

[0030] In this embodiment, when in use, the optical axis segment of the threaded shaft 105 is passed through the fixing ring 202, and the fastening screw 203 is threadedly connected to the fixing ring 202, and then the fastening screw 203 is rotated, and the fastening screw 203 moves toward the center of the fixing ring 202 through the threaded connection, and the rubber pad 204 is fixedly installed on the fastening screw 203, and the fastening screw 203 drives the rubber pad 204 to abut against the threaded shaft 105, thereby achieving the fixing effect of the optical axis segment of the threaded shaft 105.

[0031] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A threaded shaft machining positioning device, comprising a base and an optical axis positioning device, wherein the optical axis positioning device is mounted on the base, characterized in that: Also included is a thread segment positioning device; The thread segment positioning device includes an internal thread sleeve, a fixed seat, a screw rod, a support assembly and a rotating assembly. The fixed seat is fixedly installed on the base, the screw rod is threadedly connected to the fixed seat, the internal thread sleeve is fixedly installed on the screw rod and is located at the end of the screw rod away from the fixed seat, the thread segment of the threaded shaft is threadedly connected to the internal thread sleeve, the supporting assembly is installed on the base, and the rotating assembly drives the screw rod to rotate.

2. The threaded shaft turning and positioning device according to claim 1, characterized in that: The rotating assembly comprises a rotating disk and a shifting rod. The rotating disk is fixedly mounted on the screw rod and is located at an end of the screw rod away from the internal thread sleeve. The shifting rod is fixedly mounted on the rotating disk.

3. The threaded shaft turning and positioning device according to claim 1, characterized in that: The supporting assembly includes a moving block and a bearing. A movable groove is provided on a side of the base close to the fixed seat. The moving block is slidably mounted on the base and is located in the movable groove. The outer ring of the bearing is fixedly mounted on the moving block, and the internal threaded sleeve is fixedly connected to the inner ring of the bearing.

4. The threaded shaft turning and positioning device according to claim 1, characterized in that: The optical axis positioning device includes a support seat, a fixing ring and a fastening screw. The support seat is fixedly mounted on the base and is located on a side of the base away from the fixing seat; the fixing ring is fixedly mounted on the support seat; and the fastening screw is threadedly connected to the fixing ring.

5. The threaded shaft turning and positioning device according to claim 4, characterized in that: The optical axis positioning device also includes a rubber pad, which is fixedly mounted on the fastening screw.

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