JP3093489U - Core shaft - Google Patents

Abstract

(57) [Problem] To provide a core shaft capable of easily adjusting the position of a paper core held on the core shaft and also enabling fine adjustment of the position. SOLUTION: A fixed shaft (2) fixed to a device side.
A pin member (201) protruding from an arbitrary portion of the fixed shaft (2); and a screw shaft (3) connected to a non-fixed side end of the fixed shaft (2).
A movable shaft (4) for movably housing an arbitrary portion of the fixed shaft (2) and holding a paper tube or the like on an outer peripheral side thereof; and the pin member formed on the movable shaft (4). And an adjusting knob (6) rotatably connected to the movable shaft (4) and screwed to the screw shaft (3). The adjusting knob ( The movable shaft (4) can be moved by rotating (6).

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to the core shaft, and more specifically, it facilitates the position adjustment of the retained paper tube. The present invention relates to a core shaft that can be performed.

[0002]

[Prior art]

  As is well known, the film, tape, etc. wound around the paper core, such as the automatic pulling device, In equipment that includes the process of handling or winding the finished product onto a paper tube, It has a means for holding the paper tube.

[0003]   For example, FIG. 6 is a perspective view showing the outline of the automatic extraction device 31, and the automatic extraction device 31 shown in FIG. The motion removing device 31 represents a device for manufacturing an adhesive sheet such as a label. That In addition, the device shown in the figure is equipped with a base material such as a film and a product section that is attached to this base material. The raw material is supplied to the inside 38 of the apparatus, and inside the apparatus 38, the film, etc. The base material and the material with the product part are bonded together, and The product part is taken out in an arbitrary shape, so that the adhesive sheet 32 etc. as a finished product After the production, the finished product 32 and the scrap 33 from which the product part is removed Each of which is wound onto the paper tubes 36 and 37 held on the core shafts 34 and 35. Going away.

[0004]   Therefore, in such a device, a film or the like supplied to the inside 38 of the device A core shaft for holding a paper tube winding a material including a base material and a product part of And a core shaft that holds the finished product and the paper tube that winds the scraps is essential Is.

[0005]

[Problems to be solved by the device]

  By the way, especially in the device including the step of bonding the two materials as described above. In that case, the two materials must be accurately attached, so It is essential to adjust the position of the existing paper core. That is, if the position is not adjusted accurately, In that case, the materials are misaligned and the product becomes defective.

[0006]   However, in the conventional core shaft, when adjusting the position of such a paper core, Must manually move the paper tube held by the core shaft. Therefore, the work had to be complicated.

[0007]   Further, as described above, in the conventional device, the position of the paper core is not manually adjusted. Therefore, it is difficult to make fine position adjustments. It was pointed out.

[0008]   Therefore, the present invention facilitates the position adjustment of the paper tube held on the core shaft. It is possible to provide a core shaft that enables fine adjustment as well as It is an issue.

[0009]

[Means for Solving the Problems]

  The core shaft of the present invention comprises a fixed shaft fixed to the device side and the fixed shaft. Pin member protruding at an arbitrary position of the shaft and the fixed side end of the fixed shaft Freely move the screw shaft connected to the section and any part of the fixed shaft And a movable shaft on the outer peripheral side of which the paper tube and the like are held, An elongated window portion formed on the movable shaft, into which the pin member is inserted, and the movable shaft. The shaft is rotatably connected to the shaft and screwed to the screw shaft. It is characterized by having a just knob.

[0010]   In the core shaft of the present invention, any part of the fixed shaft fixed to the device The movable shaft that accommodates the minute is movably provided. Is an adjuster screwed to a screw shaft connected to the fixed shaft. The knob is rotatably connected.

[0011]   Therefore, turn the adjustment knob while holding the paper tube etc. on the outer periphery of the movable shaft. When moved, the adjust knob moves on the screw shaft and With the movement, the movable shaft moves on the fixed shaft. And by doing so The position of the paper tube or the like held by the moving shaft can be adjusted.

[0012]   Thus, in the core shaft of the present invention, it is possible to rotate the adjustment knob. Since the position of the paper core can be adjusted only by Unlike the conventional method that requires moving the held paper core, it does not require complicated work. The position of the paper core can be easily adjusted without moving and the screw shaft The position of the paper core can be adjusted by adjusting the screwing position of the adjusting knob and the adjusting knob. Therefore, fine position adjustment is possible.

[0013]

[Embodiment of device]

  The core shaft of the present invention is equipped with a fixed shaft fixed to the device side. The fixed shaft has a pin member protruding from any position, and A screw shaft with a threaded outer periphery is connected to the fixed end. It

[0014]   Also, the core shaft of the present invention accommodates any portion of the fixed shaft. The movable shaft is provided on the fixed shaft, and the paper tube is placed on the outer peripheral side of this movable shaft. It can be held.

[0015]   The movable shaft is formed with an elongated window portion into which the pin member is inserted. In the arrangement in which the pin member is inserted into this window, the fixed shuff A movable shaft rotatably accommodates an arbitrary portion of the tray.

[0016]   An adjustable knob is rotatably connected to the movable shaft and The adjustment knob is screwed onto the screw shaft, and By turning the adjustment knob, the adjustment knob will be The movable shaft can be moved along with the movement of this adjustment knob. Noh.

[0017]   Here, when connecting the movable shaft and the adjustment knob, a screw is used. A locking member loosely fitted to the shaft is connected to the movable shaft, and the locking member is It is advisable to rotatably lock the adjusting knob to.

[0018]   Also, when locking the locking member and the adjusting knob, lock the locking protrusion on the locking member. It is preferable that the adjusting knob is formed and the adjustment knob is rotatably locked to the locking projection.

[0019]

【Example】

  An embodiment of the core shaft of the present invention will be described with reference to the drawings. It is a perspective view which shows the whole core shaft of an Example, and FIGS. FIG. 5 is a partially omitted sectional view for explaining the structure of an example core shaft, and FIGS. Shows a part of the cross-sectional structure along the longitudinal direction. And the smell Reference numeral 1 is the core shaft of this embodiment.

[0020]   Further, in the figure, 2 is a fixed shaft, and this fixed shaft 2 has a long shape. It is a round bar made of metal and is fixed to the device side when used.

[0021]   And, in the substantially central portion of the tip of the fixed shaft 2 on the opposite side to the fixed side, The screw shaft 3 that has been threaded is connected.

[0022]   The movable shaft 4 is fixed to the outer periphery of the fixed shaft 2 by a fixed shuffle. It is fitted so that it can move freely in the longitudinal direction of the girder 2. A paper tube or the like can be held on the outer periphery of the shaft 4.

[0023]   Here, a pin member 201 is provided at an arbitrary position of the fixed shaft 2 so as to project. On the other hand, on the other hand, the position corresponding to the protruding position of the pin 201 on the movable shaft 4 An elongated window portion 401 is formed at the place, so that the pin member 201 can be made into the window portion. Located inside 401, the movable shaft 4 is prevented from rotating and the movable shaft 4 is prevented. Limits 4 moves.

[0024]   Next, the locking member 5 is connected to the tip of the movable shaft 4 on the side opposite to the device. At the same time, an adjusting knob 6 is rotatably connected to the locking member 5, The adjustment knob 6 is screwed onto the screw shaft 3.

[0025]   Explaining this relationship in detail, FIG. 5 shows the engagement member 5 of this embodiment. FIG. 3 is a diagram showing a state in which the vicinity is disassembled, in which the locking member 5 is the It is loosely fitted to the shaft 3 and the tip end of the movable shaft 4 opposite to the device side. A mounting portion 501 fitted to the inner circumference, and a mounting portion 501 which is continuously provided and mounted on the mounting portion 501. When the main body 502 having a smaller diameter than the portion 501 and the main body 502 are continuously provided, Both have a locking projection 503 having a larger diameter than the main body 502. The mounting portion 501 is fixed to the movable shaft 4 with screws 10 or the like.

[0026]   Next, in the figure, 6 is an adjusting knob, and in this embodiment, this adjusting knob is used. The knob 6 includes a knob body 7 and an adjustment nut 8 attached to the knob body 7. It is composed by.

[0027]   Here, FIG. 2 is a perspective view showing the knob body 7 viewed from the movable shaft 4 side. It is a perspective view, and a through hole 701 is formed in a substantially central portion of the knob body 7. The through hole 701 is threaded, and the knob body 7 is movable. A counterbore 702 is formed at the end on the shaft 4 side.

[0028]   The knob body 7 is screwed onto the screw shaft 3, By rotating the knob body 7, the adjust knob 6 is moved to the screw shaft 3 It is possible to move up.

[0029]   On the other hand, the adjustment nut 8 is composed of a pair of thin metal plates having a substantially semicircular shape. And its inner diameter is made larger than the outer shape of the main body 502 of the locking member 5, Thus, the main body 502 of the locking member 5 can be loosely fitted. And the counterbore part The locking projection 503 of the locking member 4 is sandwiched between 702 and the adjustment nut 8. In this way, the knob body 7 and the adjustment nut 8 are connected by the screw 11. As a result, the adjusting knob 6 is rotatably attached to the locking member 5. And the adjustment knob 6 is moved, it is pulled or pushed by it. In this way, the locking member 5 is also movable in the same direction.

[0030]   In the figure, 9 is a lock for preventing the adjustment knob 6 from falling off. The lock nut 9 is a nut in the present embodiment. It is screwed to 3.

[0031]   Next, the operation of the core shaft 1 of the present embodiment configured as described above will be described. Then, in FIG. 3, for example, turn the adjustment knob 6 counterclockwise (counterclockwise). When moved, the adjustment knob 6 moves on the screw shaft 3 to the side opposite to the device.

[0032]   Then, the adjustment knob 6 is engaged by the knob body 7 and the adjustment nut 8. Since the locking projection 503 of the stopper member 5 is sandwiched, it is possible to move the adjustment knob 6 Along with this, the locking member 5 is pulled by the adjusting knob 6 to move the screw shaft 3 onto the adjusting shaft 6. It moves in the same direction as the cast knob 6.

[0033]   Then, further, since the locking member 5 is fixed to the movable shaft 4, the locking member 5 is locked. As the member 5 moves, the movable shaft 4 also moves in the same direction as the adjusting knob 6. It is possible to adjust the position of the paper core held on the movable shaft 4 by moving the paper core. It will be possible. FIG. 4 shows this state.

[0034]   On the other hand, in the state of FIG. 4, for example, turn the adjustment knob 6 clockwise (clockwise). ), The adjustment knob 6 moves on the screw shaft 3 toward the device side. At the same time, the locking member 5 and the movable shaft 4 are in the same direction as the adjusting knob 6. And the position of the paper tube held on the movable shaft 4 is adjusted. It becomes possible.

[0035]   At this time, the pin member 201 is positioned in the window portion 401, The movable range of the movable shaft 4 is the range in which the 201 moves in the window 401. Therefore, it is possible to prevent the movable shaft 4 from being accidentally moved too much, and The rotation of the movable shaft 4 with respect to the constant shaft 2 is prevented.

[0036]   Thus, according to the core shaft of this embodiment, the adjustment knob is rotated. Since the movable shaft can be moved only by If you want to adjust the position of the paper core while holding the paper core in the The position of the paper core can be easily adjusted without the need to move the paper core.

[0037]   In this embodiment, the adjustment knob is screwed onto the screw shaft to The position of the paper core is adjusted by rotating the cast knob and moving it on the screw shaft. Since the structure is used to adjust the position, for example, make the pitch of the screwdriver fine. Therefore, it is possible to easily perform fine paper tube position adjustment.

[0038]   In addition, in the core shaft of the present invention, the adjustment knob can be freely rotated on the movable shaft. And the adjustment knob is screwed onto the screw shaft. However, it is not always necessary to use the locking member.

[0039]

[Effect of device]

  The core shaft of the present invention is embodied in the form described above, and as described below. Produce an effect.

[0040]   The core shaft of the present invention comprises a fixed shaft fixed to the device side and the fixed shaft. And a pin member projecting at an arbitrary position of the shaft and the non-fixed side of the fixed shaft. Move the screw shaft connected to the end and any part of the fixed shaft. A movable shaft that is housed at the present and holds the paper tube and the like on the outer peripheral side thereof, An elongated window portion formed on the movable shaft into which the pin member is inserted; It is rotatably connected to the shaft and screwed to the screw shaft. It is characterized by having an adjustment knob and If you rotate the adjusting knob while holding the paper tube around the shaft, Cast knob moves on the screw shaft and moves with this movement The shaft moves on a fixed shaft, which holds it on a movable shaft The position of the paper tube etc. can be adjusted.

[0041]   Therefore, with the core shaft of the present invention, it is only possible to rotate the adjustment knob. Since the position of the paper core can be adjusted with the Perform complicated work, unlike the conventional method that requires moving the broken paper core The position of the paper core can be adjusted easily without The position of the paper core can be adjusted by adjusting the screwing position with the adjustment knob. Therefore, fine position adjustment is possible.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a core shaft of the present invention.

FIG. 2 is a view for explaining an adjustment knob in the embodiment of the core shaft of the present invention.

FIG. 3 is a partially omitted sectional view for explaining a structure of an embodiment of a core shaft of the present invention.

FIG. 4 is a partially omitted sectional view for explaining a structure of an embodiment of a core shaft of the present invention.

FIG. 5 is an exploded view of the vicinity of the locking member in the embodiment of the core shaft of the present invention.

FIG. 6 is a schematic diagram for explaining a general automatic extraction device.

[Explanation of symbols]

1 core shaft 2 fixed shaft 201 pin member 3 screw shaft 4 Movable shaft 401 window 5 Locking member 501 mounting part 502 body 503 Locking protrusion 6 Adjust knob 601 through hole 602 counterbore 7 Knob body 8 Adjust nut 9 Lock nut 10, 11 screws

Claims (3)

[Scope of utility model registration request] 1. A fixed shaft (2) fixed to the device side.
A pin member (201) protrudingly provided at an arbitrary position of the fixed shaft (2); a screw shaft (3) connected to an end of the fixed shaft (2) on the side opposite to the fixed side; 2) A movable shaft (4) for movably accommodating any part of the movable member (2) and holding a paper tube or the like on the outer peripheral side thereof, and the pin member (20) formed on the movable shaft (4).
1) A window portion (401) into which the insertion portion (1) is inserted, and an adjusting knob (6) rotatably connected to the movable shaft (4) and screwed to the screw shaft (3). A core shaft characterized by. 2. A locking member (5) is connected to the movable shaft (4) in the vicinity of the opposite end of the movable shaft (4) so as to be loosely fitted to the screw shaft (3), and the locking member (5) is also provided. 3. The core shaft according to claim 1, wherein the adjusting knob (6) is rotatably locked to the movable shaft (4) by rotatably locking the adjusting knob (6) to the movable shaft (4). . 3. The mounting member (501) fixed to the movable shaft (4) and the mounting portion (5) are provided on the locking member (5).
01) connected to the main body (502) and the main body (5)
02), and the adjusting knob (6) is attached to the knob body (7) and the knob body (7) having the counterbore portion (702). And an adjustment nut (8) loosely fitted to the main body (502), such that the locking projection (503) is sandwiched by the adjustment nut (8) and the counterbore (702). The core shaft according to claim 2, wherein the adjusting knob (6) is rotatably locked to the locking member (5).