KR200170843Y1 - A tape roll holder for a heat transfer printing machine - Google Patents

Abstract

The present invention relates to a transfer tape holder of a thermal transfer apparatus for transferring a transfer tape to a rim of a woodworking product, in particular, by inserting the thermal transfer tape (3) outside the holder body 33 and knob the high information wool (38) When turned to (38a) and lowered to the rotating shaft 32, the pusher 37 is pushed down by the high information bolt 38, the lower end is lowered into the annular groove (33a) formed in the holder body 33, at this time The inclined portion 37a provided at the lower end of the pusher 37 advances the rear end of the push rod 36 protruding into the annular groove 33a, thereby advancing the tip of the push rod 36. Protruding to the outside of the holder body 33 is to be fixed by pressing the inner peripheral surface of the bobbin of the transfer tape (3) inserted into the holder body (33) outside.

On the contrary, when the high information bolt 32 is released, the return spring 39 pushes the pusher 37 upward, and the push rod 36 pressurized by the lower inclined portion 37a of the pusher 37. Will release the transfer tape (3). Therefore, the transfer tape 3 can be easily separated from the holder body 33.

Description

A tape roll holder for a heat transfer printing machine}

The present invention relates to a transfer tape holder of a thermal transfer device for transferring the transfer tape to the edge of the woodworking products.

Recently, a method of beautifully decorating the surface of a flat-panel woodworking products such as picture frames, etc., a thermal transfer tape printed with various patterns, such as wood grain pattern on the surface of the woodworking products such as picture frames or decorative frames, such as thermoelectric The thermal transfer method is used widely, and the thermal transfer apparatus shown in FIG. 1 is mainly used as a device used in such a thermal transfer method. The transfer tape used for the thermal transfer is mainly made of a transfer paper having a pattern printed on its surface and a protective film that covers the transfer paper and is protected from damage.

As shown in FIG. 5, the conventional thermal transfer device is horizontally laid down by a plurality of rollers 2 by horizontally laying a woodworking product to be thermally transferred, such as a picture frame (hereinafter, a picture frame as a woodworking product). The product transfer mechanism 10, the tape transfer supply mechanism 20 for continuously moving and supplying the thermal transfer tape 3 adjacent to the product transfer portion 10, and the tape transfer supply mechanism while rotating in rotation. And a heat transfer roller 4 for thermally compressing the heat transfer tape 20 conveyed by 20) to thermally transfer only the transfer paper portion to the bent portion of the product conveyed by the product transfer mechanism 10.

By the way, in the conventional thermal transfer apparatus, the tape holder 30 of the tape feed supply mechanism is rotatably installed on the pedestal 5 as shown in FIG. 5 and the thermal transfer tape 3 is formed at the edge portion 30a. Square holder body 30 is inserted into the bobbin inner wall of the rotating shaft 31 and rotatably supported by penetrating through the holder body 30, the lower end while being screwed to the upper end of the rotating shaft 31 The surface is to press the upper surface of the holder body 30, the adjustment screw 32 to adjust the degree of rotation of the holder body rotates about the rotation axis in accordance with the strength of the force to press the upper surface of the holder body 30 Consists of.

The conventional tape holder 30 has a structure in which the rectangular corner portion 30a of the holder body presses and fixes the inside of the tape bobbin, so that the tape is loosened to the holder body in accordance with the change in the inner diameter of the tape bobbin. In some cases, it may be difficult to fit. If the tape is inserted too loosely or too tightly in the holder body and the tape unwinding speed is not uniform, the tape unwinding speed is too fast or too slow compared to the product feed speed, causing wrinkles or sagging when thermally transferred to the product surface. The problem causing the defect was frequent.

In addition, when the tape is too tightly fitted to the holder body when the separation from the holder body in order to replace the tape with a new tape, there is a problem that is difficult to remove the work efficiency.

The present invention is designed to solve the disadvantages of the tape holder of the conventional thermal transfer device, it is easy to install and detach the tape, the tape holder of the thermal transfer device is easy to adjust the force for fixing the tape The purpose is to provide.

In order to achieve the above object, the present invention provides a tape holder, a support plate, a rotation shaft installed upright in the center of the support plate, a cylindrical holder body which is rotatably supported by the rotation shaft and has a concentric annular groove with respect to the rotation center, and the A plurality of adjustment nuts screwed to the upper end of the rotating shaft through the holder body via a plate spring, and radially inserted into the holder body, the tip protrudes outward from the holder body, and the rear end is inserted into the annular groove. A plurality of exposed push rods, a lower portion of which is inserted to slide in an annular groove of the holder body, and a lower end of which is provided with a pusher having an inclined portion to gradually push the rear end of the push rod protruding into the annular groove; Penetrates in the axial direction and is screwed in the direction of its central axis to the upper end of the rotating shaft Is provided between the resilient and the fixed bolt that pushes the pusher downwards, the holder body and the pusher returns to deflect with respect to pushing the pusher in the holder body has a characteristic that is configured as a spring.

According to the present invention described above, tightening the high information bolt pushes down the pusher or releases the high information bolt to raise the pusher so that the push rod is fixed or released from the thermal transfer tape fitted to the holder body. By simply tightening or loosening the adjusting nut, the holder body holding the thermal transfer tape is fixed with respect to the support plate so that the tape rotation speed can be accurately controlled.

1 is a perspective view showing a part of a structure of a tape transfer apparatus equipped with a thermal transfer tape holder according to the present invention;

2 is an exploded perspective view of a tape holder according to the present invention,

3 is an assembled cross-sectional view of the tape holder according to the present invention,

FIG. 4 is an enlarged view of a portion 'A' of FIG. 3.

(a) shows that the pusher moves forward by pressing the push bar,

(b) indicates that the pusher releases the push bar so that the push bar can retract;

5 is a schematic partial perspective view of a thermal transfer apparatus equipped with a conventional tape holder.

※ Explanation of code for main part of drawing

2: roller

3: transfer tape 4: thermal transfer roller

5: winding roller 6: guide roller

7: spring

10: product feed mechanism 20: tape feed supply

30: tape holder 31: support plate

32: axis of rotation 33: holder body

33a: annular groove 34: leaf spring

35: adjusting nut 36: push rod

37: Pusher 37a: Slope

38: high informational 38a: knob

39: return spring

Hereinafter, an embodiment of a transfer tape holder of a thermal transfer apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a part of the thermal transfer device equipped with a transfer tape holder according to the present invention, Figure 2 is an exploded perspective view of the transfer tape holder according to the present invention.

As shown in Fig. 1, the thermal transfer device is a product transfer mechanism for horizontally laying down a flat plate-shaped woodworking product (hereinafter, a frame as a woodworking product) to be thermally transferred and transported by a plurality of rollers 2 ( 10), the tape transfer supply mechanism 20 for continuously moving and transferring the thermal transfer tape 3 adjacent to the product transfer mechanism 10, and the tape transfer supply mechanism 20 while rotating the shaft. A thermal transfer roller 4 for thermally compressing the transfer transfer of the thermal transfer tape 3 to the product by heat-compressing the thermal transfer tape 3 to the bent portion of the product transferred by the product transfer mechanism 10; And a heating mechanism (not shown) surrounding the thermal transfer roller 4 to heat the thermal transfer roller 4.

The tape feed supply mechanism 20 is a tape holder (30) for rotatably supporting the heat transfer tape (3) and the heat transfer tape (3) supported by the tape holder 30 is wound around the transfer And a plurality of guide rollers 6 for supporting and supporting the thermal transfer tape 3 so that the winding roller 5 and the thermal transfer tape 3 contact and pass through the thermal transfer roller 4.

Here, the tape holder 30 according to the present invention, as shown in Figure 2 and 3, the support plate 31, the rotary shaft 32 is installed upright in the center of the support plate 31, and the rotary shaft 32 A plurality of leaf springs 34 formed on the upper end of the cylindrical holder body 33 which is penetrated to be rotatably supported and has a concentric annular groove 33a with respect to the center of rotation, and the rotating shaft 32 which penetrates the holder body 33. A plurality of adjustment nuts 35 are screwed through a) and radially inserted into the holder body 33, each of which is protruded to the outside of the holder body 33, the rear end of the annular groove A plurality of pressing rods 36 exposed in (33a) and the lower portion is inserted in the slide groove in the annular groove (33a) of the holder body 33, the lower end of the pressing rod protruding into the annular groove (33a) A pusher equipped with an inclined portion 37a to gradually push the rear end of the 36 ( 37) and a high information bolt 38 for pushing the pusher 37 downward by penetrating the pusher 37 in the central axis direction and screwing the upper end of the rotation shaft 32 in the central axis direction thereof. A resilient installation between the holder body 33 and the pusher 37 includes a return spring 39 for biasing the pusher 37 against the holder body 33.

As shown in FIG. 4A, the push bar 36 has a groove 36a having a predetermined length, and the fastening rod 36b is assembled to the groove 36a on the upper surface of the holder body 33. The lower end is fitted to move back and forth by the length of the groove 36a.

When the thermal transfer tape 3 is inserted outside the holder body 33 of the transfer tape holder 30 of the present invention configured as described above and the high information bolt 38 is turned by the knob 38a to lower the rotary shaft 32, The pusher 37 is pushed down by the high information bolt 38 and lowered into the annular groove 33a formed at the holder body 33. At this time, the inclined portion 37a provided at the lower end of the pusher 37 advances the rear end of the push rod 36 protruding into the annular groove 33a gradually. Accordingly, the tip of the pressing rod 36 protrudes outward from the holder body 33 to press and fix the bobbin inner circumferential surface of the transfer tape 3 inserted outside the holder body 33.

On the contrary, when the high information bolt 38 is released, the return spring 39 pushes the pusher 37 upward, and the push rod 36 pressurized by the lower inclined portion 37a of the pusher 37. Will release the transfer tape (3). Therefore, the transfer tape 3 can be easily separated from the holder body 33.

Then, when assembling or releasing the adjusting nut 35 before assembling the pusher 37 and the high information nut 38, the leaf spring 34 pressed by the adjusting nut 35 presses the holder body 33. Since the force is changed, a change occurs in the force that the holder body 33 is restrained with respect to the support plate 31, thereby changing the rotation speed.

As described above, according to the present invention, when only the high information nut 38 is tightened or released, the tape 3 is fixed or released from the holder body, so that the tape is easily mounted and detached, and the adjustment nut 35 is tightened or released. Note that the tape holding speed can be controlled easily by controlling the force to fix the tape only by the operation.

Claims (1)

Support plate 31; A rotary shaft 32 installed upright in the center of the support plate 31; A cylindrical holder body 33 which is penetrated by the rotation shaft 32 to be rotatably supported and has an annular groove 33a concentric with the rotation center; A plurality of adjustment nuts (35) screwed to the upper end of the rotating shaft (32) through the holder body (33) via a plurality of leaf springs; The holder body 33 is installed to be slidably slideable in the radial direction, each of the front end is protruded out of the holder body 33, the rear end is a plurality of push rods 36 exposed in the annular groove (33a) ); The lower part is inserted into the annular groove 33a of the holder body 33 so as to slide therein, and the lower end is in contact with the rear end of the pressing bar 36 protruding into the annular groove 33a and the rear end of the pressing bar 36. A pusher (37) having an inclined portion (37a) for gradually pushing it; And A high information bolt 38 which pushes the pusher 37 downward by penetrating the pusher 37 in the central axis direction and screwing the upper end of the rotation shaft 32 in the central axis direction thereof, and the holder body 33. A transfer tape holder of a thermal transfer apparatus comprising a return spring (39) biased to push the pusher (37) against the holder body (33).