KR101855674B1 - Rolling type cutting device for glow plug heating tube of glow plug using cam shaft rotating - Google Patents

Abstract

[0001] The present invention relates to a cutting mechanism for a rolling glow plug for a heating tube of a glow plug by camshaft rotation, and more particularly to a cutting mechanism for cutting a tube to be cut into a preset length, The first and second camshafts are moved forward and backward toward the cutting target tube at the time of cutting in the case of the guide roll portion supporting the cutting target tube by being operated in conjunction with the cutting portion, And the cutter and the guide roll are moved forward and backward according to whether or not the cam of the camshaft rotating on the first and second camshafts is in contact with the pivotal member. A plurality of pairs of cams and turning portions are provided so as to be alternately operated in pairs, and a continuous rolling operation can be performed. Low plugs relates only to the cutting machine.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cutting apparatus for a rolling glow plug for a heating tube of a glow plug,

The present invention relates to a cutting tool for cutting a tube to be cut into a heat generating tube of a predetermined length, wherein a guide for cutting and cutting the tube to be cut can be continuously advanced by rotation of the cam shaft, The present invention relates to a cutting machine dedicated to an expression glow plug.

In general, the glow plug is to preheat the combustion chamber to facilitate ignition of the fuel in the diesel engine.

The glow plug 100, as shown in Fig. 9,

A hollow shaft 120 which is inserted into the housing 110 and to which power is supplied from the outside and which is inserted into the housing 110 and is electrically connected to the shaft 120, And a heating element (heating tube) 130 that generates heat by voltage.

In the glow plug constructed as described above, electricity is supplied to the heating body 130 when power is applied through the middle shaft 120, so that the heating body 130 generates heat by electrical resistance.

Therefore, in order to manufacture the glow plug, it is necessary to first cut not only the housing 110, the middle shaft 120 but also the heat generating tube 130 and the glow plug 100 to a predetermined length.

Accordingly, there is an urgent need to develop an automatic cutting apparatus capable of continuously and automatically proceeding the cutting operation.

Korean Registered Patent No. 10-1583370 (Registered on December 31, 2015)

SUMMARY OF THE INVENTION The present invention is conceived to solve the problems as described above, and it is an object of the present invention to cut a tube to be cut to a preset length for manufacturing a heat generating tube used in a glow plug.

The cutting portion for cutting with the preset length and the guide roll portion for supporting the cutting target tube at the time of cutting are configured to repeat the operation of forward and backward toward the cutting target tube for successive operations, The first and second camshafts are interlocked with the cams of the camshafts rotated by the camshafts so that the first and second camshafts are advanced when they are in contact with the respective cams and work of the cutting and guide rolls proceeds And the first and second camshaft portions are provided in two pairs so that a plurality of the first and second camshaft portions are alternately driven to enable continuous cutting operation. .

Other objects and advantages of the present invention will be described hereinafter and will be understood by the embodiments of the present invention. Further, the objects and advantages of the present invention can be realized by the means and the combination shown in the claims.

SUMMARY OF THE INVENTION The present invention, as a means for solving the above problems,

A rolling-type cutting machine for a heating tube which generates heat in a glow plug, comprising: a rotary chuck (10) for rotating and projecting a target tube (A) in one direction; A guide portion 20 which protrudes again to support the outer periphery of the cutting target tube A to guide its position; A stopper 30 for interrupting the protruding position of the tube A to be cut so that the tube A to be cut protruding from the rotary chuck 10 can be cut to a preset length L; A guide roll portion 40 provided so as to be able to move forward and backward toward the cutting target tube A so as to be in contact with the outer periphery of one side of the cutting target tube A and to support the outer periphery at the time of cutting; And is provided on the outer peripheral edge of the other side of the cutting target tube A so as to be opposed to the guide roll portion 40 and is operated in conjunction with the guide roll portion 40 to support one side of the cutting target tube A by the guide roll portion 40 A cutting portion 50 for cutting the tube A to be cut into a heat generating tube of a preset length L; The guide roll 40 can be moved forward and backward toward the cutting target tube A at the rear end of the guide roll portion 40 but can be moved in the direction of the cutting target tube A in accordance with the contact with the cam 73 formed on the rotating camshaft 72. [ The guide roll portion 40 is moved forward and backward toward the tube A so as to advance toward the cutting target tube A to contact and support the cutting target tube A when the cam 73 is in contact therewith, A first camshaft portion 70 which is returned to its original position when not in contact with the cutting target tube A to be separated from the cutting target tube A; The cam 83 formed on the rotating camshaft 82 is provided so as to allow the cutting portion 50 to move forward and backward from the rear end of the cutting portion 50 toward the cutting target tube A simultaneously with the guide roll portion 40 The cutting portion 50 is moved forward and backward toward the cutting target tube A in accordance with the presence or absence of contact of the cutting target tube A and the cutting target tube A is moved forward toward the cutting target tube A A second camshaft portion 80 for returning to the home position while being in non-contact with the cam 83; .

As described above, according to the present invention, the cutting portion and the guide roll portion for cutting the tube to be cut are automatically moved forward and backward by using the camshaft rotation, thereby enabling continuous cutting operation.

Further, according to the present invention, there are provided two first and second camshaft portions for forward and backward movement of the cutting portion and the guide roll portion, respectively, so that two of the first and second camshaft portions operate mutually alternately, thereby enabling a continuous cutting operation.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a view of one embodiment showing a cutting machine according to the present invention.
FIG. 2 and FIG. 3 are views showing an embodiment in which the guide roll portion is slidingly operated through the operation of the first camshaft portion according to the present invention. FIG.
FIGS. 4 and 5 are views showing an embodiment in which the cutting portion is slidably operated through the operation of the second camshaft portion according to the present invention. FIG.
6 is a partially enlarged view of Fig.
FIG. 7 is a process diagram of an embodiment showing a state in which a tube to be cut according to the present invention is supplied with a preset length. FIG.
Figs. 8 and 9 are process drawings showing an embodiment in which the cutting is performed in a rolling manner according to the present invention. Fig.
10 is a view of one embodiment showing a glow plug.

Before describing in detail several embodiments of the invention, it will be appreciated that the application is not limited to the details of construction and arrangement of components set forth in the following detailed description or illustrated in the drawings. The invention may be embodied and carried out in other embodiments and carried out in various ways. It should also be noted that the device or element orientation (e.g., "front,""back,""up,""down,""top,""bottom, Expressions and predicates used herein for terms such as "left,"" right, "" lateral, " and the like are used merely to simplify the description of the present invention, Or that the element has to have a particular orientation. Also, terms such as " first "and" second "are used in this specification and the appended claims for the purpose of description and are not intended to indicate or imply their relative importance or purpose.

The present invention has the following features in order to achieve the above object.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

According to one embodiment of the present invention,

A rolling-type cutting machine for a heating tube which generates heat in a glow plug, comprising: a rotary chuck (10) for rotating and projecting a target tube (A) in one direction; A guide portion 20 which protrudes again to support the outer periphery of the cutting target tube A to guide its position; A stopper 30 for interrupting the protruding position of the tube A to be cut so that the tube A to be cut protruding from the rotary chuck 10 can be cut to a preset length L; A guide roll portion 40 provided so as to be able to move forward and backward toward the cutting target tube A so as to be in contact with the outer periphery of one side of the cutting target tube A and to support the outer periphery at the time of cutting; And is provided on the outer peripheral edge of the other side of the cutting target tube A so as to be opposed to the guide roll portion 40 and is operated in conjunction with the guide roll portion 40 to support one side of the cutting target tube A by the guide roll portion 40 A cutting portion 50 for cutting the tube A to be cut into a heat generating tube of a preset length L; And the rotary chuck 10, the guide portion 20, the stopper 30, the guide roll portion 40 and the cutting portion 50 are sequentially moved, The roll 40 is moved toward the cutting target tube A in accordance with the presence or absence of contact with the cam 73 formed on the rotating camshaft 72 so that the roll 40 can be moved forward and backward toward the cutting target tube A. However, When the cam 73 is in contact with the cutting target tube A, it advances toward the cutting target tube A to contact and support the cutting target tube A. When it is not in contact with the cam 73, A first camshaft portion 70 which is spaced apart from the cutting target tube A; The cam 83 formed on the rotating camshaft 82 is provided so as to allow the cutting portion 50 to move forward and backward from the rear end of the cutting portion 50 toward the cutting target tube A simultaneously with the guide roll portion 40 The cutting portion 50 is moved forward and backward toward the cutting target tube A in accordance with the presence or absence of contact of the cutting target tube A and the cutting target tube A is moved forward toward the cutting target tube A A second camshaft portion 80 for returning to the home position while being in non-contact with the cam 83; .

The first camshaft portion 70 and the second camshaft portion 80 include a body portion 71 and a sliding portion 81 on which the guide roll portion 40 or the cutting portion 50 is installed at an upper end thereof; A camshaft 72 (82) rotatably installed on the body portion (71) (81) at the lower end; Cams 73 and 83 installed on the outer periphery of the camshafts 72 and 82 with a predetermined shape and rotated together with the camshafts 72 and 82; The upper end corresponds to the guide roll 40 or the rear end of the cutting portion 50 and the lower end corresponds to the cams 73 and 83, (74, 84) for moving the guide roll portion (40) or the cutting portion (50) toward the cutting target tube (A) when the lower end portion is in contact with the cam (73, 83); . ≪ / RTI >

The cams 73 and 83 and the rotary bodies 74 and 84 are formed in a plurality of pairs so that the pairs of the cams 73 and 83 and the rotary bodies 74 and 84, The plurality of cams 73 and 83 protrude upward from the camshafts 72 and 82 so that the cams 73 and 83 at different positions are alternately inserted into the plurality of rotary bodies 74 and 84 The guide roll portion 40 or the cutting portion 50 can be continuously moved forward and backward by repeating successive contact.

The rotary bodies (74, 84) include contact bodies (75, 85) provided at upper and lower ends so as to be adjustable in length; Fixed bodies (76, 86) provided in a direction orthogonal to the contact bodies (75, 85) and fixing the protruding positions of the contact bodies (75, 85); And a control unit.

The cams 73 and 83 have an arc shape and are locally mounted on the outer circumferences of the camshafts 72 and 82 and the cams 73 and 83, The time of contact with the outer periphery is the same as the cutting time of the tube A to be cut.

The guide roll portion 40 or the cutting portion 50 is provided with an elastic member inside a plurality of housings H1 and H2 which are stacked on top and bottom so that the first and second cam shafts 70 and 80 The first and second camshaft portions 70 and 80 are retracted to return to the original state and the guide roll 40 or the cutting portion 40 is rotated by the original returning force of the elastic member 50 are also automatically retracted and are spaced apart from the tube A to be cut.

Hereinafter, a cutting mechanism for a rolling glow plug for a heating tube of a glow plug by camshaft rotation according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 10.

The cutting mechanism for a rolling glow plug for a heating tube of a glow plug by camshaft rotation according to the present invention includes a rotary chuck 10, a guide portion 20, a stopper 30, a guide roll portion 40, a cutting portion 50 A lubricant supply portion 60, a first camshaft portion 70, and a second camshaft portion 80, as shown in Fig.

The rotary chuck 10 pushes the cutting target tube A to be used as a heat generating tube in one direction with a cutting portion 50 to be described later.

The rotary chuck 10 has a cutting target tube A provided at one side thereof protruding a predetermined length toward the cutting portion 50 disposed at the front of the rotary chuck 10 and then pushing the cutting target tube A A is brought into contact with the stopper 30 and the protruding position is interrupted, so that only the preset length L is protruded.

Thereafter, the rotary chuck 10 rotates in one direction in a state in which the outer periphery of the cutting target tube A protruding from the preset length L by the stopper 30 is fixed.

In other words, the rotary chuck 10 pushes the cutting target tube A to a position where it is cut, and then rotates. After the cutting target tube A thus supplied is cut to the preset length L, And to perform a continuous operation of supplying the tube A to be cut.

The guide portion 20 is disposed in front of the rotary chuck 10 so as to be spaced apart from the rotary chuck 10. The guide portion 20 is provided in the protruding direction of the cutting target tube A projecting forward of the rotary chuck 10 .

To this end, the guide portion 20 is provided in the protruding portion of the cutting target tube A from the upper end to the lower end and has one end face (the lowest end face) contacting the outer peripheral upper portion of the cutting target tube A, So that an inner groove 21 having an arc is formed.

The cutting target tube A protruding forward of the rotary chuck 10 in the rotary chuck 10 is fitted and fitted into the lowermost inner groove 21 of the guide portion 20 so that the cutting target tube A is inserted, Is in contact with the inner groove 21 and continues to protrude forward (one direction).

The stopper 30 is installed in front of the above-described guide portion 20 and is installed in a vertically movable structure.

This stopper 30 is lowered when the cutting target tube A is projected from the rotary chuck 10 so that the projecting position is interrupted so that the cutting target tube A is no longer projected to the rear end of the stopper 30 It plays a role.

In other words, the distance from the cutting portion 50 positioned between the rotary chuck 10 and the guide portion 20 to be described later to the stopper 30 is shorter than the preset length L (preset cutting length The user adjusts the position of the stopper 30 so that the length of the cutting target tube A to be cut can be easily adjusted.

The stopper 30 is provided at a predetermined position so that the cutting target tube A is continuously protruded after cutting and is lowered each time the cutting target tube A is provided. , So as not to protrude any more.

When the protruding length of the tube A to be cut is protruded to the stopper 30 by the preset length L, the cutting process is performed by the guide roll 40 and the cutting unit 50, which will be described later. When the guide roll portion 40 and the cutting portion 50 start to operate, the stopper 30 is lifted up to an upper position and automatically restored so as not to come into contact with the tube A to be cut.

After the cutting target tube A supplied and supplied from the rotary chuck 10 is length-adjusted to the predetermined length L while one end of the guide roll 40 is in contact with the stopper 30 as described above, And is configured to support the cutting target tube A when the cutting process is performed through the cutting portion 50.

The guide roll 40 for this purpose is installed between the rotary chuck 10 and the guide portion 20 so as to be able to move back and forth so as to be in contact with the outer peripheral edge of one side of the cutting target tube A. [

The guide roll portion 40 is operated in conjunction with the cutting portion 50 so that the cutting portion 50 to be described later is cut while the guide roll portion 40 is supporting the outer peripheral edge of one side of the cutting target tube A, The work is performed on the other side of the target tube A, and the cutting target tube A is cut.

The first and second rolls 41 and 42 are connected to the cutting target tube A (41) and the first and second rolls 41 and 42 are integrally formed with the first and second rolls 41 and 42, And is rotated together with the tube A to be cut by contacting the tube A to be cut, which is rotated at the lower side.

The cutting portion 50 is provided between the rotary chuck 10 and the guide portion 20 so as to be opposed to the guide roll portion 40 with the cutting target tube A at the center.

In other words, the guide portion 20 is provided so as to be movable forward and backward on one side of the outer periphery of the cutting target tube A, and the cutting portion 50 is supported by the cutting target tube A In the front and rear direction.

The cutting portion 50 is operated in conjunction with the guide roll portion 40 as described above and advances toward the outer periphery of the cutting target tube A together with the guide roll portion 40 so that the guide roll portion 40, The cutting operation proceeds from the outer circumferential edge of the other side of the cutting target tube A through the cutting portion 50. At this time,

The heat-generating tube of the cutting target tube A cut by the cutting portion 50 falls to the lower end and is separated from the existing cutting target tube A.

As described above, in the present invention, the cutting pre-length of the heat generating tube set by the user for cutting corresponds to the length from the cutting portion 50 to the stopper 30.

The lubricant supply unit 60 is installed at a position where the cutting target 50 is in contact with the cutting target tube A and the cutting operation progresses. Lubricant, water, or the like to the cutting portion of the cutting target tube (A) and the cutting portion (50).

The first camshaft portion 70 is provided corresponding to the rear end of the guide roll portion 40 described above, and is configured to allow the gyr roll portion to slide toward the cutting target tube A.

The first camshaft portion 70 for this purpose is composed of a body portion 71, a camshaft 72, a cam 73 and a pivoting body 74. The second camshaft portion 80, which will be described later, It works. For convenience of explanation, the first camshaft portion 70 will be described in detail.

The body part 71 is a part where the guide roll part 40 is mounted on the upper end and is moved forward, backward and slidably toward the cutting target tube A. In the case of the cutting portion 50 in which the guide roll portion 40 and the second camshaft portion 80 are provided, an elastic member (not shown) is installed inside a plurality of housings H1 and H2 stacked and joined together The housing H1 at the lower end portion is fixed to the body portion and the housing H1 at the upper end portion is slid forward and rearward toward the cutting subject tube A. The upper end portion of the housing H1 ) Is bent so as to correspond to the one end side of the housing (H2) at the lower end, and then an elastic member can be provided on the contacted portion.

Thus, in the case of the guide roll 40, when the first camshaft portion 70 is advanced by the first camshaft portion 70, the first camshaft portion 70 is retracted and returned to the original state after the elastic member installed therein is compressed, So that the guide roll 40 is also automatically retracted and spaced from the cutting target tube A. [ The restoring operation by this elastic member is also the same as the cutting portion 50 to be described later.

The camshaft 72 is a rotary shaft which is horizontally disposed on the bottom of the body 71 and is rotatably installed by separate power means.

The cam 73 is fastened to the outer periphery of the camshaft 72 by a cross section of a predetermined shape so that the camshaft 72 rotates together with the rotation thereof. The cam 73 has an arc shape and is locally mounted on the outer periphery of the camshaft 72 in the present invention.

The upper end of the pivot body 74 is extended toward the rear end of the guillol unit and the lower end of the pivot body 74 extends toward the cam 73 of the camshaft 72, Respectively. That is, the upper end corresponds to the rear end of the guide roll portion 40, and the lower end corresponds to the cam 73 formed on the camshaft 72.

The rotary body 74 is provided with a contact body 75 and a fixing body 76. The contact body 75 is provided at its upper and lower ends so as to be adjustable in length, (40) and the lower end thereof is in contact with the cam (73). The fixing member 76 is installed in a direction orthogonal to the contact member 75 and has a structure such as a bolt for fixing the protruding position of the contact member 75 after adjusting the protruding length of the contact member 75 to be.

As a result, when the camshaft 72 rotates and the cam 73 contacts the lower end of the rotary body 74, the lower end of the rotary body 74 is lifted up by the projecting cam 73, The upper end portion is bent toward the guide roll portion 40 which is opposite to the lower end portion while being rotated. Thus, when the lower end portion is in contact with the cam 73, the guide roll portion 40 is advanced toward the cutting target tube A by the pivoting body 74. Of course, when the lower end portion comes into contact with the cam 73, the upper end portion pushes the guide roll portion 40 forward, and the lower end portion comes into contact with the cam 73, the guide roll portion 40 Is retracted away from the cutting target tube A as the compressed elastic member is pulled back to its original state.

In addition, in the present invention, each of the cam 73 and the rotary body 74 described above is formed in plural, so that the cam 73 and the rotary body 74, which are in mutual corresponding contact with each other, will be. However, in the case of the plurality of cams 73, the camshaft 72 is provided adjacent to the same one of the camshafts 72, and the camshafts 72 are installed so as to be upwardly projected from the outer periphery of the camshaft 72 to the outside.

When the camshaft 72 rotates, the cam 73 having different projecting positions is also rotated. When one of the cams 73 is in contact with one of the rotary bodies 74, The guide roll 40 is returned to the original position when the cam 73 comes into contact with the pivot member 74 and the guide roll 40 is also moved backward, And the other one of the guide rollers 40 is then advanced to the guide rollers 40 while being brought into contact with another rotary member 74. As described above, the plurality of cams 73 are alternately brought into contact with the plurality of rotary bodies 74, and the operation of advancing the guide rolls 40 continuously with a time difference therebetween is performed. The time during which the lower end of the rotary body 74 is in contact with the outer periphery of the rotating cam 73 will be the same as the cutting time of the tube A to be cut.

The second camshaft portion 80 is provided at the rear end of the cutting portion 50 to allow the cutting portion 50 to perform forward and backward sliding operations.

The second camshaft portion 80 has the same structure as that of the first camshaft portion 70 and has the same structure as the first camshaft portion 70. The second camshaft portion 80 includes a body portion 81, a camshaft 82, a cam 83, .

The second camshaft portion 80 is operated to move the cutting portion 50 toward and away from the cutting target tube A if the first camshaft portion 70 is to perform the operation of moving the gyr roll portion back and forth will be.

In addition, in the case of the first and second camshafts 70 and 80, each of the rotary bodies 74 and 84 is provided with a separate contact body in contact with the cams 73 and 83, When the cams 73 and 83 are brought into contact with each other, the pivotal members 74 and 84 move along the rims of the cams 73 and 83 and gradually rise and then stay at a predetermined position and then descend again. That is, at the initial contact with the cams 73 and 83, the contact portions of the rotary bodies 74 and 84 are in contact with the rims of the cams 73 and 83 and move upward by a height, The position of the arc is fixed by the arc length and the outer peripheral edge of the cams 73 and 83 is gradually lowered while descending from the arc end of the cams 73 and 83 on the other side.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various changes and modifications may be made without departing from the scope of the appended claims.

10: rotary chuck 20: guide part
21: inner groove 30: stopper
40: Guide roll part (40) 41: First roll
42: second roll 50: cutting part
60: lubrication supply part 70: first camshaft part
71, 81: body portion 72, 82: camshaft
73, 83: Cam 74, 84:
75, 75: contact body 76, 86: fixed body
80: Second camshaft portion
A: Cutting target tube

Claims (6)

CLAIMS 1. A rolling-type cutting machine apparatus for a heating tube which generates heat in a glow plug,
A rotary chuck 10 for rotating the cutting target tube A in one direction;
A guide part (20) for guiding the position of the protruding cutting target tube (A) by supporting the outer periphery thereof;
A stopper 30 for interrupting the protruding position of the tube A to be cut so that the tube A to be cut protruding from the rotary chuck 10 can be cut to a preset length L;
A guide roll portion 40 provided so as to be able to move forward and backward toward the cutting target tube A so as to be in contact with the outer periphery of one side of the cutting target tube A and to support the outer periphery at the time of cutting;
And is provided on the outer peripheral edge of the other side of the cutting target tube A so as to be opposed to the guide roll portion 40 and is operated in conjunction with the guide roll portion 40 to support one side of the cutting target tube A by the guide roll portion 40 And a cutting portion 50 for cutting the tube A to be cut into a heat generating tube having a predetermined length L,
The rotating chuck 10, the guide portion 20, the stopper 30, the guide roll portion 40 and the cutting portion 50 are sequentially operated,
The guide roll 40 can be moved forward and backward toward the cutting target tube A at the rear end of the guide roll portion 40 but can be moved in the direction of the cutting target tube A in accordance with the contact with the cam 73 formed on the rotating camshaft 72. [ The guide roll portion 40 is moved forward and backward toward the tube A so as to advance toward the cutting target tube A to contact and support the cutting target tube A when the cam 73 is in contact therewith, A first camshaft portion 70 which is returned to its original position when not in contact with the cutting target tube A to be separated from the cutting target tube A;
The cam 83 formed on the rotating camshaft 82 is provided so as to allow the cutting portion 50 to move forward and backward from the rear end of the cutting portion 50 toward the cutting target tube A simultaneously with the guide roll portion 40 The cutting portion 50 is moved forward and backward toward the cutting target tube A in accordance with the presence or absence of contact of the cutting target tube A and the cutting target tube A is moved forward toward the cutting target tube A A second camshaft portion 80 for returning to the home position while being in non-contact with the cam 83; Further comprising:
The guide roll portion 40 or the cutting portion 50 is provided with elastic members inside a plurality of housings H1 and H2 stacked on top and bottom so as to be advanced by the first and second camshaft portions 70 and 80, The first and second camshaft portions 70 and 80 are retracted to return to the original state and the guide roll portion 40 or the cutting portion 50 is rotated by the original returning force of the elastic member, Is cut off from the tube (A) to be cut, and is separated from the tube (A) to be cut. The cutter for a rolling glow plug for a heating tube of a glow plug by camshaft rotation.
The method according to claim 1,
The first camshaft portion (70) and the second camshaft portion (80)
A body portion 71 or 81 which is slidably mounted on the guide roll portion 40 or the cutting portion 50;
A camshaft 72 (82) rotatably installed on the body portion (71) (81) at the lower end;
Cams 73 and 83 installed on the outer periphery of the camshafts 72 and 82 with a predetermined shape and rotated together with the camshafts 72 and 82;
The upper end corresponds to the guide roll 40 or the rear end of the cutting portion 50 and the lower end corresponds to the cams 73 and 83, (74, 84) for moving the guide roll portion (40) or the cutting portion (50) toward the cutting target tube (A) when the lower end portion is in contact with the cam (73, 83);
Wherein the glow plug is rotated by a cam shaft.
3. The method of claim 2,
The cams (73, 83) and the rotary bodies (74, 84)
The cams 73 and 83 and the cam members 74 and 84 are formed of a plurality of pairs so that the cams 73 and 83 are made of two pairs of cams 72 and 82 The cam rollers 73 and 83 at different positions are alternately repeatedly brought into contact with the plurality of rotary bodies 74 and 84 one by one so that the guide roll 40 or the cutting portion 50 So that a continuous operation of forward and backward movement of the glow plug can be performed.
3. The method of claim 2,
The pivoting members (74, 84)
Contact members (75, 85) provided at the upper and lower ends so as to be adjustable in length;
Fixed bodies (76, 86) provided in a direction orthogonal to the contact bodies (75, 85) and fixing the protruding positions of the contact bodies (75, 85);
Wherein the glow plug is rotated by a cam shaft to rotate the glow plug.
3. The method of claim 2,
The cams (73, 83)
Has an arc shape and is locally mounted on the outer periphery of the camshafts 72 and 82,
The time when the lower end of the rotary body (74, 84) is in contact with the outer periphery of the rotating cam (73, 83) is equal to the cutting time of the cutting subject tube (A) Cutting mechanism only for rolling glow plugs for heating tubes.
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