CN212288703U - Nut rolling tool - Google Patents

Abstract

The utility model discloses a nut roll extrusion frock, including rolling R machine chuck, it has spacing recess to open at terminal surface middle part before rolling R machine chuck, roll R machine chuck lateral surface swing joint has the jack catch, tip has the switching cover through threaded connection in the terminal surface before the jack catch, the fixed first bearing that has cup jointed of tip before the switching cover, spacing recess tank bottom surface is connected with the pressure-bearing pole through the second bearing, it is equipped with the nut and presss from both sides the cover to roll R machine chuck front end, the nut presss from both sides the cover rear end portion and is equipped with the boss, there is nylon self-locking nut through threaded connection on the boss. This kind of nut roll extrusion frock makes the jack catch drive first bearing and to produce the roll extrusion processing of hunch root position easily in the nylon self-locking nut processing after the hot-heading processing, and the atress is even, not only the cost is reduced, has improved efficiency, and the jack catch drives the design of first bearing, can process wide applicability to the nylon self-locking nut that the external diameter size has changed.

Description

Nut rolling tool

Technical Field

The utility model relates to the technical field of machining, specifically be a nut roll extrusion frock.

Background

At present, aerospace, aviation, tanks, mining machinery, automobile transportation machinery, agricultural machinery, textile machinery, electrical products and various machinery have greatly increased demand on nylon self-locking nuts, because the anti-vibration and anti-loosening performance of the nylon self-locking nuts is greatly higher than that of other various anti-loosening devices, and the vibration service life of the nylon self-locking nuts is several times or even dozens of times longer. More than 80% of accidents of the current mechanical equipment are caused by loosening of the fastening piece, particularly serious in mining machinery, and the major accident caused by loosening of the fastening piece can be avoided by using the nylon self-locking nut. The nylon self-locking nut is a novel high-vibration-resistance anti-loosening fastening part and can be applied to various mechanical and electrical products with the temperature of-50-100 ℃. In the nylon auto-lock nut course of working, through the mode processing that can adopt hot-heading, after hot-heading, the root position can produce the hunch-up very easily, leads to the size bigger than normal, all brings very big inconvenience for the assembly use. In the prior art, hot heading parameters and a die are adjusted, so that arching is eliminated, but the required test times are more, the time is long, and the cost is high. Therefore, the nut rolling tool is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nut roll extrusion frock to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nut roll extrusion frock, is including rolling R machine chuck, it has spacing recess to open at the terminal surface middle part before rolling R machine chuck, it has the jack catch to roll R machine chuck lateral surface swing joint, there is the switching cover tip in the terminal surface before the jack catch through threaded connection, the fixed cover of tip has been cup jointed first bearing before the switching cover, spacing recess tank bottom surface is connected with the pressure-bearing pole through the second bearing, it is equipped with the nut and presss from both sides the cover to roll R machine chuck front end, the nut presss from both sides the cover rear end portion and is equipped with the boss, there is nylon self-locking nut through threaded connection on.

Preferably, the pressure-bearing rod and the center of the chuck of the R rolling machine are collinear, and the outer diameter of the pressure-bearing rod is larger than the inner diameter of the nylon self-locking nut.

Preferably, the clamping jaws are movably connected to the chuck of the R rolling machine and are annularly arranged on the chuck of the R rolling machine.

Preferably, the second bearing is embedded on the chuck of the rolling R machine, and a bearing rod is fixedly inserted in the middle of the second bearing.

Preferably, the nut jacket is fixedly installed on the R rolling machine, and a nylon self-locking nut is arranged between the nut jacket and the pressure bearing rod.

Preferably, the side surface of the limiting groove is provided with a clamping groove corresponding to the clamping jaw.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of nut roll extrusion frock, through setting up the switching cover, first bearing, the second bearing, nut presss from both sides cover and bearing bar isotructure, under the R machine effect of rolling, it is rotatory to roll R machine chuck, thereby make the jack catch drive the first bearing constantly to produce the root position roll extrusion processing that arches easily in the nylon self-locking nut processing after the hot-heading processing, the atress is even, the roll extrusion effect is good, not only the time has been practiced thrift, the cost is reduced, the efficiency is improved, and drive the design of first bearing through the jack catch, can be to the nylon self-locking nut processing that external diameter size changes, wide applicability, and frock simple structure, and convenient operation.

Drawings

FIG. 1 is a schematic top view of the structure of the present invention;

fig. 2 is a left side schematic view of the structure of the present invention.

In the figure: 1 roll R machine chuck, 2 jack catchs, 3 switching cover, 4 first bearings, 5 spacing recesses, 6 pressure-bearing pole, 7 second bearings, 8 nut presss from both sides the cover, 9 nylon self-locking nuts, 10 bosss.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a nut roll extrusion frock, is including rolling R machine chuck 1, roll R machine chuck 1 and be fixed in on rolling the R machine, it has spacing recess 5 to roll R machine chuck 1 preceding terminal surface middle part, spacing recess 5's rear end portion is equipped with the interval with the rear end face of rolling R machine chuck 1, 5 sides of spacing recess are equipped with the draw-in groove corresponding with jack catch 2. The chuck 1 of the R rolling machine is provided with a jaw driving mechanism, the connection mode of the chuck 1 of the R rolling machine, the jaw driving mechanism and the jaws 2 is the same as that of the three-jaw chuck, the clamping jaws 2 are movably connected on the chuck 1 of the R rolling machine, so that the clamping jaws 2 can move inwards or outwards simultaneously through the clamping jaw driving mechanism to roll and process the nylon self-locking nuts 9 with different outer diameters or different specifications, the application range of the rolling tool for the nylon self-locking nuts 9 is improved, the outer side surface of the chuck 1 of the R rolling machine is movably connected with claws 2, the number of the claws 2 can be 3, the claws 2 are arranged, the first bearing 4 can be easily driven to be attached to the outer diameter of the nylon self-locking nut 9, thereby the roll extrusion of nylon self-locking nut 9 is easier, jack catch 2 swing joint is on rolling R machine chuck 1, and jack catch 2 is the annular and sets up on rolling R machine chuck 1. End has switching cover 3 through threaded connection in 2 preceding terminal surfaces of jack catch, switching cover 3 passes through threaded connection with jack catch 2, can be easily in long-term use, under the condition that first bearing 4 produces wearing and tearing, changes switching cover 3 and first bearing 4 to improve nylon self-locking nut 9's roll extrusion processing effect, 3 preceding end fixing of switching cover has cup jointed first bearing 4, first bearing 4 is fixed to cup joint on switching cover 3, and first bearing 4 is the annular outside of locating bearing rod 6, 5 tank bottoms of spacing recess are connected with bearing rod 6 through second bearing 7, bearing rod 6 and 1 central collineation of gyro machine chuck, and the bearing rod 6 external diameter is greater than nylon self-locking nut 9 internal diameter. Set up the pressure-bearing pole 6, can play the supporting role to nylon self-locking nut 9, because the pressure-bearing pole 6 is connected through second bearing 7 with roll R machine chuck 1, when roll R machine drive roll R machine chuck 1 and rotate, pressure-bearing pole 6 can not be rotatory to press from both sides cover 8 fixed nylon self-locking nut 9 with the nut, prevent dropping of nylon self-locking nut 9, guaranteed nylon self-locking nut 9's processing stability, roll R machine chuck 1 front end portion and be equipped with nut and press from both sides the cover 8, nut presss from both sides cover 8 fixed mounting on roll R machine, and is equipped with nylon self-locking nut 9 between nut presss from both sides cover 8 and the pressure-bearing pole 6. The rear end part of the nut jacket 8 is provided with a boss 10, and the boss 10 is connected with a nylon self-locking nut 9 through threads. The second bearing 7 is embedded on the chuck 1 of the rolling R machine, and a bearing rod 6 is fixedly inserted in the middle of the second bearing 7. This kind of nut roll extrusion frock, during the use, on pressing from both sides the cover 8 with nylon self-locking nut 9 screw in nut, and make the outer tip of nylon self-locking nut 9 laminate with the outer tip of pressure-bearing rod 6, make jack catch 2 move to the inboard through rolling R machine chuck actuating mechanism, thereby drive the lateral surface of first bearing 4 and the lateral surface laminating of nylon self-locking nut 9, open and roll the R machine, under rolling R machine effect, the drive rolls R machine chuck 1 and rotates, through the root position roll extrusion processing of first bearing 4 to nylon self-locking nut 9 hunch-ups position, guarantee nylon self-locking nut 9's quality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a nut roll extrusion frock, includes roll R machine chuck (1), its characterized in that: roll R machine chuck (1) preceding terminal surface middle part and open and have spacing recess (5), roll R machine chuck (1) lateral surface swing joint has jack catch (2), jack catch (2) preceding terminal surface tip has switching cover (3) through threaded connection, end fixing has cup jointed first bearing (4) before switching cover (3), spacing recess (5) tank bottom face is connected with pressure-bearing pole (6) through second bearing (7), roll R machine chuck (1) preceding tip is equipped with the nut and presss from both sides cover (8), the nut presss from both sides the cover (8) rear end portion and is equipped with boss (10), there is nylon self-locking nut (9) through threaded connection on boss (10).

2. The nut rolling tool according to claim 1, characterized in that: the bearing rod (6) and the center of the chuck (1) of the R rolling machine are collinear, and the outer diameter of the bearing rod (6) is larger than the inner diameter of the nylon self-locking nut (9).

3. The nut rolling tool according to claim 1, characterized in that: jack catch (2) swing joint is on rolling R machine chuck (1), and jack catch (2) are the annular and set up on rolling R machine chuck (1).

4. The nut rolling tool according to claim 1, characterized in that: the second bearing (7) is embedded on the chuck (1) of the rolling R machine, and a bearing rod (6) is fixedly inserted in the middle of the second bearing (7).

5. The nut rolling tool according to claim 1, characterized in that: the nut jacket (8) is fixedly arranged on the R rolling machine, and a nylon self-locking nut (9) is arranged between the nut jacket (8) and the pressure-bearing rod (6).

6. The nut rolling tool according to claim 1, characterized in that: and the side surface of the limiting groove (5) is provided with a clamping groove corresponding to the clamping jaw (2).

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