KR20140079223A

KR20140079223A - Nut tapping apparatus

Info

Publication number: KR20140079223A
Application number: KR1020120148938A
Authority: KR
Inventors: 진삼하
Original assignee: 진삼하
Priority date: 2012-12-18
Filing date: 2012-12-18
Publication date: 2014-06-26

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nut tapping device, and a nut tapping device according to the present invention includes: a chute for guiding a supplied untreated nut downward; A nut seating part disposed at a lower portion of the chute and adapted to receive a nut falling along the chute; A pushing unit installed to push the nut seated in the nut seating portion in one direction; A processing machine installed to receive and process a nut pushed by the pushing machine; And a support portion coupled to the chute so as to be movable up and down and supporting a nut positioned between the pushing machine and the processing machine and seated on the nut seating portion when the downwardly positioned nut is supported by the support portion, Is moved by the pushing machine to the processing machine side while pushing the support portion upward by abutting against the support portion when the pushing machine is moved by the pushing machine. Thus, it is possible to prevent the nut from falling down by supporting the uncut nut that is dropped and seated along the chute, thereby ensuring continuity of the nut.

Description

[0001] NUT TAPPING APPARATUS [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nut tapping device, and more particularly, to a nut tapping device capable of securing continuity of a process by supporting a nut supplied through a chute so that the nut does not fall when the device is seated.

In general, a nut tapping device is a device that feeds a screw with an unprocessed hole and processes the inner surface of the hole.

The nut tapping device is disclosed in Korean Patent No. 0352458 filed and filed by the applicant of the present invention, and the description of the patent document is outlined below.

1 is a schematic view of a conventional nut tapping device. 1, the nut tapping device includes a nut (not shown) for rotating a tappet TS having a tab T formed on one side thereof, and a nut (not shown) N is machined into the inner circumferential surface of the nut (N).

In this nut tapping device, a feeder, a rotator R and a pushing device are installed in the main support body. Here, the rotator R and the pushing machine are usually included in a machine for machining a nut.

The feeder is a device for feeding an untreated nut N between a pusher and a rotator R so that the untreated nut N is received in the hopper H and received in the hopper H via the chute S And a nut (N) are sequentially supplied.

The rotator R rotates by a separate driving force and rotates the tab rod TS inserted through the center.

The tabs TS are formed in an elongated rod shape and have tabs T at one end thereof and bent hooks at the other end thereof.

The tabs TS are then rotated in accordance with the rotation of the rotator R by engaging the engaging portions of the tabs TS with the rotors R. [

The pushing unit pushes the nut S sequentially supplied along the shoot S toward the tab rod TS rotated by the rotator R. [

The nut seating portion M is structured such that a nut guided along the chute S is seated and a groove having a width substantially corresponding to the nut is formed to induce the seating of the nut.

However, the untreated nut that is seated on the nut seating portion M as described above is guided along the chute S and falls down to the front or rear where the nut moves.

Therefore, even if the nut moves toward the tappet TS by the cylinder C, there is a problem that the nut is not caught in the tappet TS when the nut is torn.

As a result, the continuity of the process can not be ensured and the manufacturing cost is increased.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a nut tapping device capable of supporting an unprocessed nut that is dropped and seated along a chute to prevent a nut from falling down .

It is also an object of the present invention to provide a nut tapping device capable of preventing the nut from falling and ensuring continuity of the process.

It is also an object of the present invention to provide a nut tapping apparatus which can secure continuity of processes, reduce manufacturing cost, and improve productivity.

According to the present invention, there is provided a nut tapping apparatus comprising: a chute for guiding a supplied untreated nut downward; A nut seating part disposed at a lower portion of the chute and adapted to receive a nut falling along the chute; A pushing unit installed to push the nut seated in the nut seating portion in one direction; A processing machine installed to receive and process a nut pushed by the pushing machine; And a support portion coupled to the chute so as to be movable up and down and supporting a nut positioned between the pushing machine and the processing machine and seated on the nut seating portion when the downwardly positioned nut is supported by the support portion, Is moved by the pushing machine to move toward the processing machine while pushing the support portion upward by abutting the support portion when the pushing machine is moved by the pushing machine.

The support portion includes a support body having a receiving groove opened downward inside thereof, a support body inserted into the receiving groove to be movable in a vertical direction, a front end portion of a nut, which is seated on the nut seat portion when positioned downward, And a moving body formed to abut a part of the lower part.

Preferably, the receiving groove of the supporting body is formed with a latching groove in the width direction, and the moving body is provided with a latching portion which is received in the latching groove.

Further, it is preferable that a portion of the moving body which abuts on a nut that is seated on the nut seating portion is formed as an inclined surface or a curved surface.

It is also preferable to further include an elastic member provided between the supporting body and the moving body inside the receiving groove and being elastically compressed according to the upward movement of the moving body.

Preferably, the chute is provided with a guide hole for guiding the untreated nut downward, and a lower end of the guide hole supports a rear side of a nut that is seated on the nut seat.

In addition, it is preferable that a tip end of the pushing unit is installed to support a rear side of a nut that is seated in the nut seating portion.

In addition, it is preferable that the support portion supports the front surface of the guided shape along the chute so that the shape of the nut to be guided along the chute is not changed.

According to another embodiment of the present invention, the above object is achieved by a nut tapping apparatus comprising: a chute for guiding a supplied untreated nut downward; A nut seating part disposed at a lower portion of the chute and adapted to receive a nut falling along the chute; A pushing unit installed to push the nut seated in the nut seating portion in one direction; A processing machine installed to receive and process a nut pushed by the pushing machine; A support portion which is coupled to the chute so as to be movable up and down and supports a nut positioned between the pushing machine and the processing machine and seated in the nut mounting portion when the machine is downwardly mounted; And an actuator installed to move the support part in the up and down direction. The support part supports the nut, which is dropped down by the support part when the nut is dropped by the nut seat part, And the support portion is moved upward when the nut is moved by the pushing machine.

According to the present invention, there is provided a nut tapping device capable of supporting an unprocessed nut that is dropped and seated along a chute to prevent the nut from falling down.

Further, there is provided a nut tapping device capable of preventing the nut from falling down and securing continuity of the process.

Further, there is provided a nut tapping apparatus capable of reducing the manufacturing cost by ensuring the continuity of the process and improving the productivity.

1 shows a general nut tapping machine,
2 is a schematic view of a nut tapping apparatus according to a first embodiment of the present invention,
Fig. 3 is a perspective view of the nut seat of Fig. 2,
Figure 4 is an exploded perspective view of the support of Figure 2,
5 shows the coupling diagram of Fig. 4,
6 to 9 are operational states of the nut tapping apparatus according to the first embodiment of the present invention.

Prior to the description, components having the same configuration are denoted by the same reference numerals as those in the first embodiment. In other embodiments, configurations different from those of the first embodiment will be described do.

Hereinafter, a nut tapping apparatus according to a first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 is a schematic view of a nut tapping apparatus according to a first embodiment of the present invention. 2, the nut tapping apparatus according to the first embodiment of the present invention includes a feeder 10, a processing machine 20, a pusher 30, a nut seat 40, and a support 50 .

The feeder 10 feeds the untreated nut 1 between a pushing machine 30 and a machining machine 20 to be described later so that the untreated nut 1 is accommodated in the hopper 12 and the chute 11 The nuts 1 are sequentially supplied through the nuts 1.

The chute 11 is formed with a guide hole 11a which is elongated in one direction and guides downward the untreated nut 1 housed in the hopper.

That is, the nut 1 supplied through the hopper drops downward along the guide hole 11a of the chute 11 sequentially.

At this time, the nut (1) is guided so that the hole formed at the center portion is positioned in the front and rear direction.

The processing machine 20 includes a rotator and a tappet described in the related art and is installed to receive and process a nut 1 to be pushed by a pushing machine 30 on the front side of a pushing machine 30 to be described later .

The rotating machine and the taps, which are the constituent elements of the processing machine 20, are substantially the same as those of the conventional art, and therefore, a detailed description thereof will be omitted in this embodiment.

The pushing machine 30 is installed to push the nut 1 sequentially supplied along the chute 11 toward the machine 20 side.

At this time, the pushing machine 30 may be provided with a pneumatic cylinder, a hydraulic cylinder, a cam, or the like, the tip of which is reciprocated.

The pushing device 30 is provided in a state of being inserted into the seating groove 41 of the nut seating portion 40 to be described later and is provided to support the back of the nut 1 falling into the seating groove 41. [

3 is a perspective view of the nut seat of FIG. Referring to FIG. 3, the nut seating part 40 is provided at a lower portion of the chute 11 and is engaged with the chute 11, and a seat (not shown) Grooves 41 are formed.

The rear of the seating groove 41 is opened so that the tip of the pushing device 30 can be reciprocated.

The mounting groove 41 is formed in the longitudinal direction and has a width substantially equal to or slightly larger than the width of the supplied nut 1 to accommodate the falling nut 1.

Fig. 4 is an exploded perspective view of the support portion of Fig. 2, and Fig. 5 is an assembled view of Fig. 4 and 5, the support portion 50 is a core structure of the present invention, and includes a support body 51, a moving body 52, and an elastic member 53.

The support body 51 is formed in a substantially rectangular parallelepiped shape and is coupled to the chute 11 and has a receiving groove 511 formed on a surface thereof coupled to the chute 11. On both sides of the uppermost end of the receiving groove 511, a latching groove 512 is formed in the width direction.

Here, the latching groove 512 is formed to be larger than the height of the latching portion 522 so as to be movable up and down in a state in which the latching portion 522 of the moving body 52 to be described later is accommodated.

The moving body 52 is formed to be received in the receiving groove 511 of the supporting body 51 and the engaging portion 522 is formed on both sides of the uppermost end of the moving body 52 so as to be received in the engaging groove 512 of the supporting body 51, .

At this time, the height of the engaging portion 522 is formed to be smaller than the height of the engaging groove 512, as described above, so that the moving body 52 can be moved in the vertical direction.

A support body 521 is formed at a lower portion of the moving body 52 to be received in the seating groove 41 of the nut seating portion 40 described above.

On the upper surface of the moving body 52, a groove 523 for an elastic member for accommodating an elastic member 53 described later is formed.

The support body 521 supports the front side of the nut 1 falling into the seating groove 41 when the moving body 52 is positioned downward so that the nut 1 can be prevented from falling forward.

The rear side of the nut 1 to be seated is supported by the guide hole 11a of the chute 11 or supported by the pushing machine 30 described above and the front side of the nut 1 is supported by the support body 521 Lt; / RTI >

As a result, the nut 1 which has fallen into the seating groove 41 can not fall because the front side and the rear side are supported.

In the present embodiment, it is shown that the rear side of the nut 1 is supported by the guide hole 11a.

The supporting body 521 has a curved surface or an inclined surface 521a which is in contact with the nut 1 which is seated in the seating groove 41.

That is, when the nut 1 is moved forward by the pushing unit 30 as described above, the nut 1 is moved upward from the support body 521, So that it can be moved forward.

The elastic member 53 is accommodated in the elastic member groove 523 of the moving body 52 and is installed to elastically support the space between the moving body 52 and the supporting body 51.

That is, the normal state of the moving body 52 is maintained to be moved downward by the elastic member 53.

Although the movable body 52 is moved downward by the resilient restoring force of the elastic member 53 in the present embodiment, the movable body 52 may be moved downward by the weight of the movable body 52.

Next, an operation state of the nut tapping apparatus according to the first embodiment of the present invention will be described. 6 to 9 are operational states of the nut tapping apparatus according to the first embodiment of the present invention.

6, when the nut 1 falls along the guide hole 11a of the chute 11 into the seating groove 41 of the seating portion 40 of the nut 1, the nut 1, Is supported rearward by the guide hole 11a of the chute 11 and is seated in a state in which the front is supported by the support body 521 of the support portion 50. [

7 is an enlarged view of A in Fig. 7, when the nut 1 is moved forward by the pushing of the pushing machine 30, the nut 1 and the support body 521 come into contact with each other, and the pushing force of the pushing machine 30 Is transmitted to the nut (1).

At this time, the surface of the support body 521 which is in contact with the nut 1 is formed into a curved surface, and the support body 521 of the movable body 52 is moved upward by the force moving toward the front of the nut 1. That is, the nut 1 moves forward while pushing up the support body 521 upward.

8 and 9, the nut 1 is moved by the pushing machine 30 from below the support body 521 to the processing machine 20, and as shown in FIG. 6, the pushing machine 30 Moves backward and returns to the original position, the movable body 52 is positioned in the original state due to the resilient restoring force of the elastic member 53 to support the front side of the nut 1 to be dropped next.

By supporting the untreated nut 1 supplied in the above-described manner, it is possible to prevent the nut 1 from falling.

Further, since the nut 1 is prevented from falling, the continuity of the process can be ensured and the production cost can be reduced.

Next, a nut tapping apparatus according to a second embodiment of the present invention will be described. In the nut tapping apparatus according to the second embodiment of the present invention, an actuator such as a pneumatic cylinder or a hydraulic cylinder is used without using the elastic restoring force of the elastic member 53. [

The actuator is controlled so that the support body 521 of the moving body 52 is positioned downward when the nut 1 falls and when the nut 1 is moved forward by the pushing machine 30, .

That is, when the nut 1 falls, the supporting body 521 of the moving body 52 is positioned downward to support the falling nut 1, and when the nut 1 is moved forward by the pushing device 30 The movable body 52 is controlled to move upward and secure the movement path of the nut 1. [

The moving body 52 is moved in the vertical direction in the same manner as described above, thereby ensuring the continuity of the process.

The scope of the present invention is not limited to the above-described embodiments, but may be embodied in various forms of embodiments within the scope of the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

[Description of Reference Numerals]
10: Feeder 11a: Guide hole
20: Processor 30: pushing machine
40: nut seat part 41: seat groove
50: support part 51: support body
511: receiving groove 512: latching groove
52: Moving body 521:
522: engaging portion 523: groove for elastic member
53: elastic member

Claims

In the nut tapping apparatus,
A chute for guiding the supplied untreated nut downward;
A nut seating part disposed at a lower portion of the chute and adapted to receive a nut falling along the chute;
A pushing unit installed to push the nut seated in the nut seating portion in one direction;
A processing machine installed to receive and process a nut pushed by the pushing machine; And
And a support portion which is coupled to the chute so as to be movable up and down and supports a nut positioned between the pushing machine and the processing machine and seated in the nut mounting portion when the machine is downwardly positioned,
Wherein the nut supported by the support portion moves toward the processing machine while pushing the support portion upward by abutting the support portion when the nut is supported by the pushing machine.

In the nut tapping apparatus,
A chute for guiding the supplied untreated nut downward;
A nut seating part disposed at a lower portion of the chute and adapted to receive a nut falling along the chute;
A pushing unit installed to push the nut seated in the nut seating portion in one direction;
A processing machine installed to receive and process a nut pushed by the pushing machine;
A support portion which is coupled to the chute so as to be movable up and down and supports a nut positioned between the pushing machine and the processing machine and seated in the nut mounting portion when the machine is downwardly mounted; And
And an actuator installed to move the support part in the vertical direction,
Wherein the support portion supports a nut that is dropped downward when the nut falls down by the nut seating portion and the nut mounted on the nut seating portion is moved upward when the nut is moved by the pushing machine Nut tapping device.

3. The method according to claim 1 or 2,
The support portion includes a support body having a receiving groove opened downward inwardly formed therein, a support body inserted in the receiving groove to be movable in the up and down direction, a front end portion of the nut mounted on the nut mounting portion, And a moving body formed so that a part thereof abuts against the moving body.

The method of claim 3,
Wherein the receiving groove of the supporting body is formed with a latching groove in the width direction and the moving body is provided with a latching portion which is received in the latching groove.

The method of claim 3,
Wherein a part of the moving body which abuts on a nut seated on the nut seating part is formed as an inclined surface or a curved surface.

The method of claim 3,
Further comprising an elastic member provided between the supporting body and the moving body at an inner side of the receiving groove and being elastically compressed according to an upward movement of the moving body.

3. The method according to claim 1 or 2,
Wherein a guide hole for guiding the untreated nut downward is formed in the chute and a lower end of the guide hole supports a rear side of a nut that is seated on the nut seating portion.

3. The method according to claim 1 or 2,
Wherein a tip of the pushing unit is installed to support a rear side of a nut that is seated in the nut seating portion.

3. The method according to claim 1 or 2,
Wherein the supporting portion supports the front side of the guide guided along the chute so that the shape of the nut to be guided along the chute is not changed.