CN216780563U

CN216780563U - Thread repairing device

Info

Publication number: CN216780563U
Application number: CN202220014842.2U
Authority: CN
Inventors: 谢泽胜; 杨天麟; 徐川沂
Original assignee: Chongqing Water Turbine Works Co Ltd
Current assignee: Chongqing Water Turbine Works Co Ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-06-21
Anticipated expiration: 2032-01-06

Abstract

The application relates to the technical field of thread processing, and discloses a thread repairing device, which comprises a thread arranging knife and is characterized in that: the wire arranging device is characterized by further comprising a guide rail, a pressing plate and a limiter, wherein the guide rail is connected with the limiter in parallel on the pressing plate, the wire arranging cutter is arranged on the guide rail in a penetrating mode, a cutter edge of the wire arranging cutter faces outwards, the limiter limits the wire arranging cutter to extend along the circumferential direction of the guide rail, and the wire arranging cutter is arranged on the guide rail and slides on the limiter at will. Has the advantage of being suitable for cleaning the screw threads with different pitches.

Description

Thread repairing device

Technical Field

The utility model relates to the technical field of thread processing, in particular to a thread repairing device.

Background

The large screw matching structures can be met in the industrial production or large-scale mechanical repair process, the workpiece precision requirement of the screw matching structures is high, the phenomenon of tooth burning during assembly can be easily caused under the condition that the hardness of the inner and outer threads is close to each other, at the moment, the situation that the threads are locally damaged and deformed even though the threads are withdrawn by careful wings can be found, if the threads are not processed, the assembly cannot be carried out, and the scrapping cost is high. If the sintered nodules in the threads can be removed and the deformed teeth can be corrected, part of defective teeth can be guaranteed to be used harmlessly, during repair, a repaired cutter needs to be matched with the threads, otherwise, the filaments can cause the threads to be incapable of being used normally, and threads with a plurality of unidentified tooth pitches, threads with nonstandard tooth pitches and threads with different tooth pitches need to be repaired in the actual repair process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a thread repairing device which is suitable for repairing threads with different pitches.

In order to achieve the purpose, the utility model provides a thread repairing device, which comprises a thread arranging cutter and is characterized in that: the wire arranging device is characterized by further comprising a guide rail, a pressing plate and a limiter, wherein the guide rail is connected with the limiter in parallel on the pressing plate, the wire arranging cutter is arranged on the guide rail in a penetrating mode, a cutter edge of the wire arranging cutter faces outwards, the limiter limits the wire arranging cutter to extend along the circumferential direction of the guide rail, and the wire arranging cutter is arranged on the guide rail and slides on the limiter at will.

Further, the wire arranging knife is embedded into the track of the limiter.

Furthermore, the track is C-shaped, and the two side edges of the track limit the movement of the wire arranging cutter.

In order to enable the knife edge direction of the knife edge of the knife to be adjusted on the guide rail according to different threads, at least 2 bearing rollers are arranged between the knife edge of the knife and the guide rail.

Further, the bearing roller is limited in the wire arranging cutter through a pressing ring.

In order to enable the wire arranging knife to slide on the limiter more easily, a pin and a roller are arranged in the wire arranging knife, the pin abuts against the roller, and the roller abuts against the inner side face of the side edge of the C-shaped track.

In order to adjust the pressure of the roller against the limiter, the pin is pressed by a jackscrew, the jackscrew is in threaded connection with the wire arranging cutter, and the jackscrew controls the backward movement and forward movement of the pin so as to control the pressure of the roller against the limiter.

In order to facilitate disassembly, the guide rail is connected to the pressure plate through a nut.

Has the advantages that: the utility model provides a thread restorer, which can correct sintering lumps, deposition blockage and deformed teeth in threads and is suitable for restoring threads with unknown pitches, threads with non-standard pitches and threads with different pitches. The repaired thread can be used harmlessly, so that the scrapping of parts due to the defects of the thread is reduced, and the cost is reduced.

Drawings

FIG. 1 is a schematic structural view of a thread repairing apparatus according to this embodiment 1;

FIG. 2 is a schematic structural diagram of the thread repairing apparatus in this embodiment 2;

fig. 3 is a schematic structural view of the wire trimming knife and the limiter in fig. 1 and 2.

Reference numerals: 1. a shredding knife; 2. a guide rail; 3. pressing a plate; 4. a limiter; 5. a bearing roller; 6. pressing a ring; 7. a pin; 8. a roller; 9. carrying out top thread; 10. and a nut.

Detailed Description

The following detailed description of the embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and modifications made to the utility model without departing from the principle of the utility model fall within the scope of the claims of the present invention.

Example 1

As shown in fig. 1, a thread repairing device comprises a thread trimming cutter 1, a guide rail 2, a pressing plate 3 and a limiter 4, wherein the guide rail 2 and the limiter 4 are parallel to each other, the limiter 4 is welded with the pressing plate 3, the limiter 4 is connected to the pressing plate 3 through a nut 10, a clamp can be mounted on the pressing plate 3 and used for limiting a part with a thread to be repaired, the thread trimming cutter 1 is arranged on the guide rail 2 in a penetrating manner, thread guiding does not exist between the guide rail 2 and the thread trimming cutter 1, a knife edge of the thread trimming cutter 1 faces outwards, the limiter 4 limits the thread trimming cutter 1 to extend along the circumferential direction of the guide rail 2, and the thread trimming cutter 1 slides on the guide rail 2 and the limiter 4 at will.

Further, the wire arranging knife 1 is embedded in the track of the limiter 4.

Furthermore, the track is C-shaped, and the two side edges of the track limit the movement of the wire arranging cutter 1.

Preferably, 8 bearing rollers 5 are arranged between the wire arranging cutter 1 and the guide rail 2 and are uniformly distributed and knotted into a dot matrix circle, the bearing rollers 5 rotate in a universal mode and can change wires in an electrodeless mode, and the wire arranging cutter 1 is used for finely adjusting the direction of a cutting edge on the guide rail 2 according to different threads.

Further, the bearing roller 5 is limited in the wire arranging cutter 1 through a pressing ring 6, and the bearing roller 5 is prevented from being displaced.

Preferably, as shown in fig. 3, a pin 7 and a roller 8 are arranged in the wire arranging knife 1, the pin 7 abuts against the roller 8, the roller 8 abuts against the inner side of the side edge of the C-shaped track, a gap of 0.05 mm-0.1 mm is formed between the wire arranging knife 1 and the other edge of the track, lubricating oil can be added, and the wire arranging knife 1 can slide smoothly.

Preferably, the pin 7 is supported by a jackscrew 9, the jackscrew 9 is in threaded connection with the wire arranging cutter 1, the C-shaped limiter 4 has long and short sides, the long side is supported by the roller 8, the short side is provided with a space for convenient operation of the jackscrew 9, the jackscrew 9 controls the pin 7 to retreat and advance, so as to control the advance and retreat of the roller 8, the tightness of the roller 8 is controlled by rotating the jackscrew 9, and the wire arranging cutter 1 is further controlled to slide on the controller easily.

For repairing parts with internal threads, such as repairing the internal threads of a nut, the limiter 4, the guide rail 2 and the wire cutting knife 1 are inserted into the internal threads of the nut and kept parallel to the threads, the cutting edge of the wire cutting knife 1 is embedded into the threads at the starting end (tail end), a clamp is arranged on the pressure plate 3 and is used for fixing the nut so that the nut can only rotate axially, the tail of the knife is clamped by the track of the limiter 4 during rotation to prevent the wire cutting knife 1 from shaking circumferentially, the cutting edge of the wire cutting knife 1 moves along the textures of the internal threads, when the original tooth textures are subjected to the nodulation at a certain point, a tooth socket is suddenly narrowed, the wire cutting knife 1 is driven by the original inertia motion track to cut a convex point and the nodulation like a bracelet, when a certain thread is deformed, deformed inverse teeth can be extruded or cut and corrected due to the fact that the knife shapes and the tooth textures are closed, the wire arranging cutter 1 moves along with the guide rail 2 in the axial direction, and the cutter point moves under the guidance of the threads until the cutting edge restores the internal threads.

Example 2

As shown in fig. 2, referring to the thread repairing device of embodiment 1, the thread repairing device is used for repairing a component with an external thread, such as an external thread of a screw, keeping the limiter 4 and the guide rail 2 horizontal with the screw, and embedding the cutting edge of the filament arranging cutter 1 into a thread at a starting end (a tail end), the pressing plate 3 may be provided with a clamp, the clamp is used for fixing the screw, so that the screw can only axially rotate, during the rotation, the cutter tail is clamped by the track of the limiter 4, so as to prevent the filament arranging cutter 1 from circumferentially shaking, the cutting edge of the filament arranging cutter 1 moves along the texture of the internal thread, the filament arranging cutter 1 moves along the guide rail 2 axially, the cutter tip moves under the guidance of the thread, and the nut is rotated until the cutting edge completes repairing the internal thread.

Claims

1. The utility model provides a screw thread restorer, includes reason screw sword (1), its characterized in that: still include guide rail (2), clamp plate (3) and limiter (4), guide rail (2) and limiter (4) parallel connection are in on clamp plate (3), reason spinning knife (1) is worn to establish on guide rail (2), the edge of a knife of reason spinning knife (1) is outside, limiter (4) restriction reason spinning knife (1) is prolonged guide rail (2) circumferential movement, reason spinning knife (1) is in guide rail (2) with slide at will on limiter (4).

2. The thread restoration device according to claim 1, wherein: the wire arranging knife (1) is embedded into the track of the limiter (4).

3. The thread restoration device according to claim 2, wherein: the track is C-shaped, and the two side edges of the track limit the movement of the wire arranging cutter (1).

4. The thread restoration device according to claim 1, wherein: at least 2 bearing rollers (5) are arranged between the wire arranging cutter (1) and the guide rail (2).

5. The thread repair device according to claim 2 or 3, wherein: at least 2 bearing rollers (5) are arranged between the wire arranging cutter (1) and the guide rail (2).

6. The thread restoration device according to claim 4, wherein: the bearing roller (5) is limited in the wire arranging cutter (1) through a pressing ring (6).

7. The thread restoration device according to claim 5, wherein: the bearing roller (5) is limited in the wire arranging cutter (1) through a pressing ring (6).

8. The thread restoration device according to claim 2, 3 or 7, wherein: set up round pin (7) and roller (8) in reason silk sword (1), round pin (7) withstand roller (8), roller (8) top is in the C shape on the medial surface of track side.

9. The thread restoration device according to claim 8, wherein: the pin (7) is supported by a jackscrew (9), and the jackscrew (9) is in threaded connection with the wire arranging knife (1).

10. The thread restoration device according to claim 1, 2, 3, 6, 7 or 9, wherein: the guide rail (2) is connected to the pressing plate (3) through a nut.