Locking sleeve for fixing lathe long shaft

Abstract

The utility model relates to the technical field of lathe locking devices, and discloses a locking sleeve for fixing a lathe long shaft, which comprises a connecting ring, one side of the connecting ring is fixedly connected with a threaded pipe, two sides of the surface of the threaded pipe are provided with sliding chutes, the interiors of the sliding chutes are slidably connected with abutting blocks, one side of the surface of the threaded pipe is in threaded connection with a threaded ring, and the threaded ring is in threaded connection with the threaded ring. And one side of the threaded ring is rotationally connected with a pushing ring through a bearing, and the two side walls of the interior of the pushing ring are both fixedly connected with check blocks matched with the abutting blocks. According to the locking sleeve for fixing the lathe long shaft, through the arrangement of the abutting block, the threaded ring and the pushing ring, when a worker needs to fix the lathe long shaft, the worker can insert a threaded pipe to the outer surface of a long shaft rod, and then the worker can clockwise screw the threaded ring to drive the pushing ring to push forwards along the threaded pipe; and the stopping block enables the abutting block in the sliding groove to move downwards and vertically, and the bottom of the abutting block abuts against the two sides of the long shaft rod in the threaded pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of lathe locking devices, in particular to a locking sleeve for fixing a long axis of a lathe. Background Art

[0002] The locking sleeve for fixing the long axis of the lathe is mainly used to fix and support the long axis workpiece on the lathe to prevent it from bending or deformation during processing, thereby ensuring the processing accuracy. The locking sleeve is usually made of metal material, has a certain elasticity and hardness, can be tightly wrapped around the outer surface of the long axis, and locked by a mechanical device, so that it forms an integral part with the long axis and rotates together.

[0003] A locking sleeve for fixing the long axis of a lathe disclosed in publication number CN207372317U comprises a locking tube body, a plurality of locking screws are arranged on the outer wall of the locking tube body, one end of the locking screws passes through the locking tube body and extends into the interior of the locking tube body, and the outer wall of one end of the locking tube body is inclined toward the axial direction of the locking tube body; the utility model inserts the tail of the long axis into the locking tube body, fixes and adjusts the tail of the long axis to be colinear with the axis of rotation of the machine tool spindle through the locking screws, and fixes the utility model in the inner hole of the rear axis of the lathe through the inclined surface of the locking tube body, so that the long axis is stable and does not swing during the rotation processing, thereby ensuring the processing quality of the long axis and realizing the characteristics of safe production.

[0004] However, this type of locking sleeve for fixing the long axis of the lathe has the following disadvantages: when the installer fixes the long axis of the lathe, the length of most locking sleeves is relatively limited, resulting in a large distance between some long axes to be installed and other equipment, reducing the practicality of the locking sleeve of the gate machine, affecting the efficiency of the installer in installing the long axis. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a locking sleeve for fixing the long axis of a lathe, which has high practicality, can be simply operated and has a relatively simple structure. It solves the problem raised in the above background technology that when installers fix the long axis of the lathe, the length of most locking sleeves is relatively limited, resulting in a large distance between some long axis to be installed and other equipment, reducing the practicality of the locking sleeve of the gate machine, and affecting the efficiency of the installers in installing the long axis.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a locking sleeve for fixing the long axis of a lathe, comprising a connecting ring, one side of the connecting ring is fixedly connected to a threaded tube, both sides of the surface of the threaded tube are provided with sliding grooves, the inside of the sliding groove is slidably connected to a resistance block, one side of the surface of the threaded tube is threadedly connected to a threaded ring, one side of the threaded ring is rotatably connected to a pushing ring through a bearing, both side walls inside the pushing ring are fixedly connected to blocks adapted to the resistance blocks, and an extension component is fixedly installed on the back of the connecting ring.

[0007] Optionally, the extension assembly includes an outer cylinder, one end of the outer cylinder is fixedly connected to the surface of the connecting ring, and the inner thread of the outer cylinder is connected to the extension tube.

[0008] Optionally, the interior of the threaded tube is provided with grooves in an annular array at equal intervals, and the interior of the grooves is provided with reinforcing ribs for increasing stability.

[0009] Optionally, one end of the extension tube is fixedly connected to a fixing ring, and one side of the fixing ring is fixedly connected to a connecting disk.

[0010] Optionally, threaded holes are equidistantly provided in a circular array on the surface of the connection plate, and screws are passed through the internal threads of the threaded holes.

[0011] Optionally, the outer surface of the push ring is provided with a waterproof coating for increasing the waterproof property, and the outer surface of the threaded ring is provided with an anti-skid coating for increasing the anti-skid property.

[0012] The utility model provides a locking sleeve for fixing a long shaft of a lathe, which has the following beneficial effects:

[0013] 1. The locking sleeve for fixing the long axis of the lathe is provided with a resistance block, a threaded ring and a push ring. When the staff needs to fix the long axis of the lathe, the staff can insert the threaded tube into the outer surface of the long axis rod, and then the staff can turn the threaded ring clockwise to drive the push ring to push forward along the threaded tube, so that the stopper will move the resistance block inside the slide groove vertically downward, so that the bottom of the resistance block will resist the two sides of the long axis rod inside the threaded tube, thereby facilitating the staff to quickly fix the long axis rod.

[0014] 2. The locking sleeve for fixing the long axis of the lathe is provided with an extension assembly and a connecting ring. When the staff fixes the long axis rod, they can twist the fixing ring according to the actual situation to drive the extension tube to rotate. Then the extension tube rotates inside the outer tube, and then the length of the extension tube is adjusted, so as to facilitate the staff to adjust the length of the outer tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the push ring structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the extension component of the utility model.

[0019] In the figure: 1. connecting ring; 2. threaded tube; 3. resistance block; 4. threaded ring; 5. push ring; 6. stopper; 7. extension assembly; 71. outer tube; 72. extension tube; 8. reinforcing rib; 9. fixing ring; 10. connecting plate; 11. screw. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a locking sleeve for fixing the long axis of a lathe, comprising a connecting ring 1, a threaded tube 2 is fixedly connected to one side of the connecting ring 1, both sides of the surface of the threaded tube 2 are provided with slide grooves, a resistance block 3 is slidably connected inside the slide groove, a threaded ring 4 is threadedly connected to one side of the surface of the threaded tube 2, a push ring 5 is rotatably connected to one side of the threaded ring 4 through a bearing, both side walls inside the push ring 5 are fixedly connected with stoppers 6 adapted to the resistance block 3, a waterproof coating for increasing waterproofness is attached to the outer surface of the push ring 5, and a non-slip coating for increasing anti-slipness is attached to the outer surface of the threaded ring 4;

[0022] Through the arrangement of the resistance block 3, the threaded ring 4 and the pushing ring 5, when the staff needs to fix the long axis of the lathe, the staff can insert the threaded tube 2 into the outer surface of the long axis rod, and then the staff can turn the threaded ring 4 clockwise to drive the pushing ring 5 to push forward along the threaded tube 2, so that the stopper 6 will move the resistance block 3 inside the slide groove vertically downward, so that the bottom of the resistance block 3 will resist the two sides of the long axis rod inside the threaded tube 2, thereby facilitating the staff to quickly fix the long axis rod.

[0023] See also Figure 4 An extension assembly 7 is fixedly installed on the back of the connecting ring 1. The extension assembly 7 includes an outer tube 71. One end of the outer tube 71 is fixedly connected to the surface of the connecting ring 1. The inner thread of the outer tube 71 is connected to an extension tube 72.

[0024] Through the arrangement of the extension assembly 7 and the connecting ring 1, when the staff fixes the long shaft rod, they can twist the fixing ring 9 according to the actual situation to drive the extension tube 72 to rotate, and then the extension tube 72 rotates inside the outer tube 71, and then the length of the extension tube 72 is adjusted, thereby facilitating the staff to adjust the length of the outer tube 71.

[0025] See also Figure 4 The interior of the threaded tube 2 is provided with grooves equidistantly in a circular array, and the interior of the groove is provided with reinforcing ribs 8 for increasing stability. One end of the extension tube 72 is fixedly connected to a fixing ring 9, and one side of the fixing ring 9 is fixedly connected to a connecting plate 10. The surface of the connecting plate 10 is provided with threaded holes equidistantly in a circular array, and the internal threads of the threaded holes are penetrated by screws 11.

[0026] When the staff needs to fix the outer cylinder 71, the staff can use the screws 11 to quickly install the connecting plate 10 to the designated working position, and then the outer cylinder 71 is fixed. Then, the long shaft rod drives the outer cylinder 71 to rotate slowly during the rotation process.

[0027] In the utility model, the working steps of the device are as follows:

[0028] When the staff uses the locking sleeve, the staff can insert the threaded tube 2 into one end of the lathe long shaft rod, and then the staff can turn the threaded ring 4 clockwise to drive the pushing ring 5 to push forward along the threaded tube 2, so that the stopper 6 will move the interference block 3 inside the slide groove vertically downward, so that the bottom of the interference block 3 will interfere with the two sides of the long shaft rod inside the threaded tube 2. Similarly, when the staff needs to remove the threaded tube 2 from the lathe long shaft rod, the staff can turn the threaded ring 4 counterclockwise to drive the pushing ring 5 to rotate, and then the bottom of the block 6 will be separated from the top surface of the interference block 3, and then the interference block 3 will be separated from the restraint, and then the staff can pull the lathe long shaft rod to separate it from the inside of the threaded tube 2, thereby facilitating the staff to quickly disassemble the fastening sleeve, and then during the installation of the long shaft rod, the staff can turn the fixing ring 9 according to the actual installation distance to drive the extension tube 72 to rotate, and then the extension tube 72 will rotate inside the outer cylinder 71, and then the length of the extension tube 72 will be adjusted, thereby facilitating the staff to adjust the length of the outer cylinder 71.

[0029] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0030] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A locking sleeve for fixing a long axis of a lathe, comprising a connecting ring (1), characterized in that: One side of the connecting ring (1) is fixedly connected to a threaded tube (2), both sides of the surface of the threaded tube (2) are provided with sliding grooves, the interior of the sliding grooves is slidably connected to a resistance block (3), one side of the surface of the threaded tube (2) is threadedly connected to a threaded ring (4), one side of the threaded ring (4) is rotatably connected to a push ring (5) via a bearing, both side walls inside the push ring (5) are fixedly connected to stop blocks (6) that are compatible with the resistance block (3), and an extension component (7) is fixedly installed on the back of the connecting ring (1).

2. The locking sleeve for fixing the long axis of a lathe according to claim 1, characterized in that: The extension assembly (7) comprises an outer cylinder (71), one end of the outer cylinder (71) is fixedly connected to the surface of the connecting ring (1), and the inner thread of the outer cylinder (71) is connected to an extension tube (72).

3. The locking sleeve for fixing the long axis of a lathe according to claim 1, characterized in that: The interior of the threaded tube (2) is provided with grooves in an annular array at equal intervals, and the interior of the grooves is provided with reinforcing ribs (8) for increasing stability.

4. The locking sleeve for fixing the long axis of a lathe according to claim 2, characterized in that: One end of the extension tube (72) is fixedly connected to a fixing ring (9), and one side of the fixing ring (9) is fixedly connected to a connecting plate (10).

5. The locking sleeve for fixing the long axis of a lathe according to claim 4, characterized in that: The surface of the connection plate (10) is provided with threaded holes in an annular array at equal intervals, and screws (11) penetrate the internal threads of the threaded holes.

6. The locking sleeve for fixing the long axis of a lathe according to claim 1, characterized in that: The outer surface of the push ring (5) is provided with a waterproof coating for increasing the waterproof property, and the outer surface of the threaded ring (4) is provided with an anti-skid coating for increasing the anti-skid property.

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