KR200439358Y1 - Automation equipment for bolt pitch revival - Google Patents

Abstract

The present invention relates to a calibration device for correcting the worn thread of the bolt, the frame portion 10 is fixed to the first block 12 and the second block 13 on both sides of the base plate 11; A guide part (20) comprising a guide (21) installed between the first block (12) and the second block (13), and a linear bush (22) installed to be linearly movable on the guide (21); A support plate 31 fixed to the upper surface of the linear bush 22 with a bolt 311, a bolt fixing block 32 fixed to the support plate 31 and provided in a stepwise manner according to a bolt specification; A fixing part 30 composed of a magnet 33 installed to allow horizontal movement inside the bolt fixing block 32; A die block 41, a reducer 42 coupled to the die block 41, and an upper portion of the motor 43 to which the reducer 42 is coupled are fixed, and a lower portion thereof is fixed to the base plate 11. Jig portion 40 consisting of a support block 44; It is configured to include and is automatically driven by the operation of the motor and the reducer, and it is easy to use because it is easy to carry and use on the job site, and it is easy to use. It improves and prevents the musculoskeletal system of workers.

Bolt, thread, die, dice jig, motor, reducer

Description

Worn Bolt Thread Reclamation {{Automation equipment for bolt pitch revival}

1 is a photograph showing a worn bolt.

Figure 2 is a photograph showing a fastening state by the worn bolt of Figure 1;

Figure 3 is an overall perspective view showing the wear bolt automatic correction device according to the present invention,

Figure 4 is an exploded perspective view showing a worn bolt thread automatic straightening device according to the present invention,

Figure 5 is a front cross-sectional view showing an automatic bolt thread straightening device according to the present invention,

Figure 6 is an exemplary view of the machining of the thread of the worn bolt using the wear bolt automatic thread correcting device according to the present invention,

7A, 7B, and 7C are photographs showing the types of dice jig and dice applied to the calibration device of the present invention.

<Description of main parts of drawing>

10: frame portion 11: base plate

12: first block 13: second block

20: guide part 21: guide

22: linear bushing 30: fixed part

31: support plate 32: bolt fixing block

33: magnet 40: jig portion

41: die block 42: reducer

43: motor 44: support block

46: die jig 50: bolt

51: bolt head 52: thread

The present invention is a device for straightening the worn thread of the bolt to the nut easily. It can process the worn thread automatically by the motor combined with the reducer, and it is easy to move by the light weight, and the worker can move easily. Relates to an automatic calibration device that can be conveniently used in the shop floor.

In general, in a ship manufacturing process or a general site, when a screw thread of a bolt to be fastened is not worn and assembled with a nut, a die having the same size as that of a bolt for fastening to a die handle is coupled to the die handle. Threads worn by dies and die handles were used with bolts secured to vise or other fixtures.

Conventionally, as shown in FIG. 1, there are many difficulties in fastening the nut by the worn thread, and as shown in FIG. 2, if the worn bolt is clamped and inserted, the thread in the valve wears out and causes water leakage later. There was a problem that causes expensive valve replacement.

In order to solve the problems as described above, in the present invention, a device for correcting the worn thread of the bolt to the nut can be easily machined by the motor combined with the reducer to reduce the wear weight The object of the present invention is to provide an automatic calibration device that can be easily moved by a worker and that can be conveniently used by a worker at a work site.

In the configuration of the present invention for solving the above problems, the frame portion 10 is fixed to the first block 12 and the second block 13 on both sides of the base plate 11; A guide part (20) comprising a guide (21) installed between the first block (12) and the second block (13), and a linear bush (22) installed to be linearly movable on the guide (21); A support plate 31 fixed to the upper surface of the linear bush 22 with a bolt 311, a bolt fixing block 32 fixed to the support plate 31 and provided in a stepwise manner according to a bolt specification; A fixing part 30 composed of a magnet 33 installed to allow horizontal movement inside the bolt fixing block 32; A die block 41, a reducer 42 coupled to the die block 41, and an upper portion of the motor 43 to which the reducer 42 is coupled are fixed, and a lower portion thereof is fixed to the base plate 11. Jig portion 40 composed of the supporting block 44; Characterized in that it comprises a.

On the other hand, the die block 41 is characterized in that the die jig 46 is coupled to the insertion groove 412 provided on one side and the drive shaft of the reducer 42 is coupled to the coupling hole 413 provided on the other side. The die block 41 is rotated by the driving of the motor 43 to which the reducer 42 is coupled.

In addition, the die jig 46 has one side is provided with a screw groove 461, the other side is provided with a circular protrusion 462, the head 51 of the bolt 50 to the bolt fixing block 32 It is fixed by the provided magnet 33, characterized in that the screw thread 52 of the bolt 50 is screwed and fixed to the screw groove 461 provided in the die jig 46.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is an overall perspective view showing a wear bolt thread automatic straightening device according to the present invention, Figure 4 is an exploded perspective view showing a worn bolt thread automatic straightening device according to the present invention, Figure 5 is a worn bolt according to the present invention Figure 6 is a front sectional view showing an automatic thread correcting device, Figure 6 is a machining example of a thread of a worn bolt using the wear bolt automatic thread correcting device according to the present invention, Figure 7a, 7b, 7c is a calibration device of the present invention It is a photograph showing the kind of dice jig and dice applied.

The present invention is a calibration device for correcting the worn thread 52 of the bolt 50 as a whole configuration of the fixing part 10 including the base place 11 and the high fixed to one side of the upper surface of the base plate 11 The jig part 40 fixed to the other side 10 and the other side and the guide part 20 for linearly moving the fixing part 10.

Referring to FIGS. 3, 4, and 5, the structure and the effects of the bolts and other welding may be performed by the first block 12 and the second block 12 on both sides of the frame portion 10 and the base plate 11. Is fixed by.

On the other hand, the guide portion 20 is provided with a guide 21 between the first block 12 and the second block 13 formed on the upper surface of the base plate 11 and linear reciprocating by the guide 21 The linear bush 22 provided so that a movement is possible is comprised.

The fixing part 30 is provided with a bolt fixing block 32 for inserting the head 51 of the bolt into the inner side of the support plate 31 fixed with the bolt 311 on the upper surface of the linear bush 22 and the A magnet 33 capable of horizontal movement in a screw type is installed inside the bolt fixing block 32 to fix the head 51 of the bolt inserted into the bolt fixing block 32 by magnetic force.

That is, the support plate 31 and the bolt fixing block 32 has a magnet of the center portion toward the inner part of the support plate 31, that is, the bolt fixing block 32 by the fully fastened, and the screw type to the size of the bolt Accordingly, the magnet 33 is horizontally movable. That is, the magnet 33 is movable in the bolt fixing block 32 by moving while unfastening and tightening the bolt with a worker's hand.

The bolt fixing block 32 has a different bolt head size, so that the largest bolt is located at the end and the smallest bolt is located at the innermost part of the structure that is cascaded according to the bolt head size.

The jig part 40 is installed to face the fixing part 30 installed on one side of the base plate 11, the configuration of which is fixed to the die jig 46 by the bolt 411 is coupled to the upper side, In the insertion groove 412 provided in the one side is provided with a screw groove 461, the other side is a die block jig 46 is provided with a circular protrusion 462 is coupled and the other side is provided with a coupling hole 413 41 is installed, the motor 43 is coupled to the reducer 42 in the support block 44 fixed to the base plate 11 is installed.

On the other hand, the die block 41 is coupled to the insertion groove 412 provided on one side the die jig 46 is coupled to the coupling hole 413 provided on the other side the drive shaft of the reducer 42 is coupled to the speed reducer ( By rotating the die block 41 by the driving of the motor 43 coupled to 42, the operator can easily process the worn part of the bolt than the manual correction, thereby improving workability.

Although not shown, the motor 43 is driven by connecting a power source, and the motor can be controlled by a volume (not shown).

In addition, although not shown in the drawing, the motor 43 may be selectively embedded in the motor by a charging method to charge and drive the motor, thereby providing excellent mobility.

Here, the screw groove 461 provided on one side of the die jig 46 is for regenerating the bolt, for example, M20, M22, M24, M30, M36, etc. in the pitch according to the type of each bolt It is configured to work by installing the die in the die jig 46 to fit, the circular protrusion 462 provided on the other side is the structure that holds the center of the bolt and prevents the bolt from falling to the bottom when disconnected after the completion of calibration will be.

At the same time, in order to prevent damage to the guide 21 when the head 51 of the bolt 50 falls after processing, the supporting portion of the support plate 31 coupled with the linear bush 22 and the bolt is lengthened.

Figure 7a, 7b, 7c is a photograph showing the type of the die jig and dice applied to the calibration device of the present invention by type shows the die jig and dice used in the present invention, Figure 7b is the die inner diameter in the case of die M36 Installing a separate jig and fixing will be combined by interference fit.

The calibration device is to automatically rotate the motor 43 coupled to the reducer 42 to correct the thread 52 of the bolt 50, the thread 52 is a screw groove provided in the die jig 46 Screwed to the (461) and fixed to the head 51 of the bolt is inserted into the bolt fixing block 32 of the fixing part 30 is fixed by a magnet 33, the motor connected to the die block 41 ( 43 to correct the thread 52 of the bolt 50.

As described above, the calibration device of the present invention is designed to be applied according to the specification of the bolt. When working on the block, the bolt head can be fixed by magnet on the spot to correct the worn thread 52 of the bolt, and automatically by the motor. Can be easily calibrated anywhere, the protruding protrusion 462 of the die jig 46 is configured to hold the center of the bolt 50 for processing, so that the bolt 50 does not fall to the bottom when separated after the calibration is completed. .

Although described with reference to a preferred embodiment of the present invention, those skilled in the art can understand that the present invention can be variously modified and changed without departing from the spirit and scope of the invention described in the claims below. There will be.

The present invention is automatically driven by the operation of the motor and the reducer and is light in weight so that it can be easily moved and used on the job site.It is easy to use, and workability is improved by directly processing the worn bolts on site. It is effective to prevent the musculoskeletal system of the worker.

Claims (6)

A straightening device for correcting worn threads 52 of bolts 50; A frame part 10 having a first block 12 and a second block 13 fixed to both sides of an upper surface of the base plate 11; A guide part (20) comprising a guide (21) installed between the first block (12) and the second block (13), and a linear bush (22) installed to be linearly movable on the guide (21); A support plate 31 fixed to the upper surface of the linear bush 22 with a bolt 311, a bolt fixing block 32 fixed to the support plate 31 and provided in a stepwise manner according to a bolt specification; A fixing part 30 composed of a magnet 33 installed to allow horizontal movement inside the bolt fixing block 32; The base plate 11 is installed to face the fixing part 30 installed on one side, the die block 41, the reducer 42 coupled to the die block 41, and the upper portion of the reducer 42 Is coupled to the motor 43 is fixed and the lower portion jig portion 40 consisting of a support block 44 fixed to the base plate 11; Worn bolt thread automatic straightening device comprising a. The method of claim 1, The die block 41 is coupled by the die jig 46 to the insertion groove 412 of one side is fixed by the bolt 411 provided on the upper side and the drive shaft of the reducer 42 in the coupling hole 413 of the other side The wear bolt automatic thread corrector, characterized in that coupled. The method according to claim 1 or 2, The die block 41 is a bolt bolt automatic correcting device, characterized in that the rotation by the drive of the motor 43 coupled to the reducer (42). The method of claim 1, The motor 43 is automatically worn bolt thread correction device, characterized in that connected to a power source or driven by a rechargeable battery. The method of claim 1, The die jig 46 is one side is provided with a screw groove (461) and the other side is a worn bolt thread automatic straightening device, characterized in that provided with a circular protrusion (462). The method of claim 1, The head 51 of the bolt 50 is fixed by the magnet 33 provided in the bolt fixing block 32, the thread 52 of the bolt 50 is a screw provided in the die jig 46 A worn bolt thread automatic straightening device, characterized in that is screwed into the groove (461).

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