KR200451251Y1 - Trimming tool for edge banding machine - Google Patents

Abstract

The present invention relates to a trimming device for an edge banding machine for cutting the edge band attached to the edge surface of the panel product according to the thickness of the panel, and more specifically, coupled to the slide bar that slides up and down by rotating the adjustment screw. The present invention relates to a trimming device for an edge banding machine, which can prevent idle rotation of the adjustment screw due to a gap between the movable block or the screw bar due to the machining tolerance between the slide bar and the adjustment screw to perform fine height adjustment of the vertical roller.

Edge banding machine, trimming device, vertical roller adjuster, slide bar, adjusting screw, spring

Description

Trimming device for edge banding machine {TRIMMING TOOL FOR EDGE BANDING MACHINE}

The present invention relates to a trimming device for an edge banding machine for cutting the edge band attached to the edge surface of the panel product according to the thickness of the panel, and more specifically, coupled to the slide bar that slides up and down by rotating the adjustment screw. The present invention relates to a trimming device for an edge banding machine, which can prevent idle rotation of the adjustment screw due to a play between the movable block or the slide bar and the adjustment screw to allow fine adjustment of the height of the vertical roller.

Generally, wood or man-made wood, so-called MDF (Middle Density Fiber) panel, which is used for office furniture, home furniture or sink furniture, is widely used as a furniture material. Such a panel is thermally transferred by transferring the transfer paper printed with various colors and patterns such as a wooden pattern on the upper and lower surfaces, but the surface of the edge (edge, edge) is exposed as it is, so the appearance is not good.

In order to finish the decorative border of the panel as described above, the edge band of the finishing band, such as PP, PVC, veneer, pattern paper, etc. are attached to the edge surface of the panel with an adhesive. The equipment for attaching the edge band to the edge surface of the panel and cutting the edge band according to the length and thickness of the panel is generally called an edge banding machine.

Figure 1 is a front view showing the configuration of a conventional edge banding machine, Figure 2 is an exploded perspective view of a conventional trimming device for edge banding machine, Figure 3 is an essential exploded perspective view of the embodiment of Figure 2, Figure 4 is a combination of the embodiment of Figure 3 It is a cross section.

Referring to FIG. 1, the conventional edge banding machine 1 includes a panel (not shown) by a conveyor 12 moving in an endless track and a plurality of feed rollers 14 rotatably installed on the conveyor 12. Adhesive is applied to the panel conveying apparatus 10 to be conveyed and the edge surface of the panel, and the edge band B is transferred to the edge surface of the panel to which the adhesive is applied, so that the edge band B is applied to the edge surface of the panel. An edge band attachment device 20 for pressing and attaching, an edge band cutting device 30 for cutting both ends of the edge band B attached to the edge surface of the panel according to the length of the panel, and an attachment to the panel Edge band trimming device 40 for trimming the edges protruding up and down the edge band (B) to the thickness of the panel, and buffing device for removing the adhesive around the edge of the panel passed through the edge band trimming device 40 (Not shown).

In particular, among the devices constituting the edge banding machine 1, the conventional edge band trimming device 40 is vertically up and down on one side of the conveyor 12 for transporting the panel to which the edge band B is attached as shown in FIG. As shown in FIG. 2, the frame 41 is fixed to the elevating block 42, and the elevating block 42 is provided so as to be able to elevate to the frame 41 and the elevating block 42, and one side faces the conveyor. A deflectable movable block 43, a vertical roller 44 rotatably installed on one surface of the movable block 43 so that an outer circumferential surface presses and supports the panel transported by the conveyor 12, and the movable block 43 It is attached to the lower end of the), and the chip discharge groove 46 is formed and at the same time the trimming cutter 47 is provided comprising a guide block 48 is installed. On the other hand, the vertical roller 44 further includes a vertical roller adjustment unit 49 for sliding the vertical block 44 relative to the movable block 43, the vertical roller 44 by the vertical roller adjustment unit 49 is up and down The cutting width of the edge band (B) attached to the panel can be adjusted while sliding.

3 and 4, the vertical roller adjustment unit 49 is coupled to the vertical roller 44, and slides up and down along the slide groove 43a formed in the vertical direction on the movable block 43. The movable block is screwed through one end of the movable bar 43 and the slide bar 49a provided to be capable of being installed, and connected to the slide bar 49a to move the slide bar 49a up and down. And an adjusting screw 49b rotatably provided at one end of the 43). The movable block 43, the slide bar 49a, and the adjustment screw 49b are screwed together. The finer the machining of the threads between the two screwed joints, the smaller the clearance due to the machining tolerance, but the higher the machining cost. do. In addition, since there is a minimum clearance due to processing tolerances according to the form of the thread when screwing, it is not possible to exclude such clearance because the coupling and separation is easy. Accordingly, even if the adjustment screw 49b idles or rotates the adjustment screw 49b due to the clearance between the movable block 43 and the slide bar 49a and the adjustment screw 49b, the slide bar 49a is moved up and down. There is a problem not to slide.

In addition, the vertical roller adjustment unit 49 is provided between the set screw 49c which is screwed to the slide bar 49a, and between the slide bar 49a and the set screw 49c, and the set screw 49c. And a washer (49d) for pressing the movable block (43) by the rotation of) to fix the slide bar (49a). Since the washer 49d is merely about the size of pressing the movable block 43 by the rotation of the fixing screw 49c, the chip of the edge band B enters the inside of the vertical roller adjusting unit 49 or various types. There is a problem that foreign matters and the like interfere with the adjustment of the adjustment screw 49b, thereby hindering fine adjustment of the height of the vertical roller 44.

On the other hand, the conventional edge band trimming device 40, as shown in Figure 2, by being installed in the frame 41 in the vertical symmetry, by cutting the protruding edge of the edge band (B) attached to the panel in both up and down directions Done. In addition, the trimming of the edge band B may be performed according to the thickness of the panel.

In the conventional trimming device for edge banding machines as described above, the clearance occurs when the screw is engaged due to the machining tolerance between the movable block or the slide bar and the adjustment screw, so that the adjustment screw is idle and the height of the vertical roller is minutely twisted, thereby attaching it to the panel. There is a problem of increasing the failure rate of the panel products, such as the width of the edge band is cut less or more.

In addition, the conventional trimming device for edge banding machine is composed of only a fixing screw and a washer for fixing the up and down sliding of the slide bar, the chip of the edge band and various foreign matters penetrate into the inside of the vertical roller adjustment unit to adjust the adjustment screw. There is a problem that hinders fine adjustment of the height of the vertical rollers.

An object of the present invention devised to solve the above problems, the processing between the movable block or the slide bar and the adjustment screw to perform the fine height adjustment of the vertical roller coupled to the slide bar slides up and down by the rotation of the adjustment screw The present invention provides a trimming device for an edge banding machine which can prevent idle movement of the adjusting screw due to play when screwing due to a tolerance.

The present invention also provides a trimming device for an edge banding machine which can prevent the chip of the edge band, various foreign matters, and the like from penetrating into the inside of the vertical roller adjusting part, and which makes it easier to combine and detach the fixing screw.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments in conjunction with the accompanying drawings.

In order to achieve the above object, a trimming device for an edge banding machine of the present invention, a frame fixed up and down on one side of a conveyor for transporting a panel with an edge band, and a lifting block mounted to the frame, the lifting block, and the lifting A movable block installed horizontally on the block, the movable block having one surface biased to face the panel, a vertical roller rotatably installed on one surface of the movable block so as to press and support the transferred panel, and the vertical roller; In the trimming device for an edge banding machine comprising a vertical roller adjusting unit for sliding the movable block up and down with respect to the movable block, a chip discharge groove and a trimming cutter, and a guide block attached to the lower end of the movable block. The vertical roller is coupled, and formed in the vertical direction on the movable block A slide bar slidably installed up and down along a slide groove, screwed through an upper end of the movable block, and connected to an upper portion of the slide bar to be rotatable at one end of the movable block to move the slide bar up and down; And an adjustment screw installed therein and a first spring interposed to press the slide bar elastically upward with respect to the movable block.

In addition, in the trimming device for an edge banding machine of the present invention, the first spring is characterized in that the coil spring interposed between the other end of the movable block and the slide bar.

In addition, in the trimming device for an edge banding machine of the present invention, the vertical roller adjustment unit is characterized in that it further comprises a leaf spring interposed between one end of the movable block and the adjustment screw.

On the other hand, in the trimming device for an edge banding machine of the present invention, the vertical roller adjustment unit is installed between the slide bar and the fixing screw to close the slide screw of the movable block and the fixing screw in contact with the upper end of the slide bar. And a fixing plate for pressing the other surface of the movable block by pressing the fixing screw to fix the slide bar.

The vertical roller adjustment unit may further include a second spring interposed between the fixing screw and the fixing plate.

The trimming device for edge banding machine according to the present invention, the slide bar and the adjustment screw elastically press the slide bar and the adjustment screw against the movable block to perform the fine height adjustment of the vertical roller coupled to the slide bar slides up and down by the rotation of the adjustment screw. By installing the first spring and the leaf spring so as to prevent the play occurs when the screw coupling due to the machining tolerance to prevent the idle screw adjustment, it is possible to significantly reduce the failure rate of the panel product.

In addition, the fixing plate provided to close the slide groove of the movable block can prevent the chip of the edge band or other foreign matter from penetrating into the inside of the vertical roller adjusting part, and the fixing screw is easily coupled and separated by the second spring. Can be done.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the trimming device for an edge banding machine according to the present invention.

5 is an exploded perspective view showing a first embodiment of the trimming device for an edge banding machine of the present invention, Figure 6 is an exploded perspective view of the main portion of the embodiment of Figure 5, Figure 7 is a second of the trimming device for an edge banding machine of the present invention 8 is an exploded perspective view showing an embodiment, FIG. 8 is an exploded perspective view showing main parts of the embodiment of FIG. 7, and FIG. 9 is a cross-sectional view of the embodiment of FIG. 8.

Trimming device for an edge banding machine according to the present invention, the frame 100, the lifting block 200, the movable block 300, the vertical roller 400, the vertical roller adjustment unit 500 and It comprises a guide block 600, the vertical roller adjustment unit 500 is a slide bar 510, adjusting screw 520, the first spring 530, fixing screw 540, fixing plate 550, It may include two springs 560 and leaf spring 570. In addition, the movable block 300 has a slide groove 350 is formed, the guide block 600 includes a chip discharge groove 620 and a trimming cutter 640.

Frame 100 is fixedly installed up and down on one side of the conveyor 12 shown in Figure 1 for conveying the panel to which the edge band (B) is attached. Frame 100, as shown in Figures 5 and 7, the various components are mounted, so must be firmly manufactured. The panel is attached to the edge of the edge band (B) by the edge band attachment device is transferred to the frame 100 by the conveyor 12, by the trimming cutter 640 installed in the guide block 600 to be described later The upper and lower protruding edges of the edge band B attached to the panel are cut. As the frame 100 is fixed up and down, the lifting block 200 to be described later can be lifted along the frame 100. In particular, trimming is performed to cut the upper and lower projecting edges of the edge band B in both directions. The device is installed in the frame 100 is symmetrical up and down. The installation position and function of the frame 100 as described above is similar to the prior art.

The lifting block 200 is elastically supported by the compression spring toward the panel which is installed to be liftable on the frame 100 and transported. That is, the trimming apparatus installed upward from the trimming apparatus installed on the frame 100 by being vertically symmetrical, as shown in FIGS. 5 and 7, the compression spring is installed on the lifting block 200 to raise and lower the lifting block 200. It is to unilaterally press down toward the panel. Accordingly, the lifting block 200 is always in a state of receiving downward force according to the spring force by the compression spring. On the other hand, in the case of the trimming apparatus provided below, it is in the state of receiving upward force as opposed to the trimming apparatus installed above. Since the elevating block 200 as described above can also be implemented by conventional techniques, a detailed description thereof will be omitted.

The movable block 300 is installed to the lifting block 200 so as to be movable in the horizontal direction, and one surface is deflected to face the panel. As shown in FIGS. 5 to 8, the movable block 300 is installed to slide on the lifting block 200 so as to be movable in the horizontal direction, that is, to reciprocate horizontally toward the conveyed panel. Is installed. In this case, the movable block 300 is also elastically supported toward the panel by the spring force of the compression spring. Accordingly, the movable block 300 is in a state of receiving a force toward the panel and can easily perform trimming on the edge surface to which the edge band B of the panel is transferred. In addition, one surface of the movable block 300 is formed to be deflected to face the conveyed panel. That is, as shown in FIGS. 5 to 8, the step is formed to extend stepwise at a portion slidably movable in the horizontal direction in the lifting block 200 so that one surface is deflected to face the panel. Accordingly, the vertical roller 400 to be described later is installed on one surface of the horizontal block 300.

The vertical roller 400 is rotatably installed on one surface of the movable block 300 to press and support the transferred panel. As shown in Figures 5 to 8, in the case of the trimming device installed above the vertical roller 400 is rotated by pressing the top of the panel. The vertical roller 400 is installed on one surface of the movable block 300, and the movable block 300 is installed on the lifting block 200, so that the vertical roller 400 is changed in accordance with the change in the thickness of the panel. The lifting block 200 is pushed up by the thickness of the lifting block 200 is to be raised. Meanwhile, the vertical roller 400 slides up and down with respect to the movable block 300. As the vertical roller 400 moves up and down, the trimming cutter 540 provided in the guide block 500 to be described later is paneled. The cutting width of the edge band B attached thereto is determined. That is, the cutting width of the edge band B is determined according to the thickness and shape of the panel, and the vertical band 400 is moved up and down, thereby trimming the edge band B by the trimming cutter 540. To this end it is provided with a vertical roller adjustment unit 500.

The vertical roller adjustment unit 500 slides the vertical roller 400 up and down with respect to the movable block 300, as shown in FIGS. 5 to 9, the slide bar 510, the adjustment screw 520 and A first spring 530 is formed, and may further include a fixing screw 540, a fixing plate 550, a second spring 560, and a leaf spring 570.

The slide bar 510 is coupled to the vertical roller 400 and is installed to be slidable up and down along the slide groove 350 formed in the vertical direction on the movable block 300. The vertical roller 400 coupled to the slide bar 510 moves up and down together according to the vertical slide movement of the slide bar 510. In addition, the slide bar 510 is slidably installed up and down in the movable block 300 along the slide groove 350 formed on the movable block 300. The adjusting screw 520 is installed to slide the slide bar 510 up and down.

The adjusting screw 520 is screwed through one end of the movable block 300, and is connected to the slide bar 510 to one end of the movable block 300 to move the slide bar 510 up and down. It is rotatably installed on. That is, the slide bar 510 moves upwards or downwards in accordance with the clockwise or counterclockwise rotation of the adjustment screw 520, and eventually the vertical roller 400 also moves up and down according to the vertical movement of the slide bar 510. Will be moved to. In this case, the adjusting screw 520 and the movable block 300 are screwed together, so that play occurs according to the machining tolerances, and the play of the adjusting screw 520 occurs due to such play and the vertical roller 400 Fine adjustments will be hindered. In addition, the adjustment screw 520 and the slide bar 510 is in contact with the first spring 530 that can support the slide bar 510 is required.

The first spring 530 is interposed so as to elastically press the slide bar 510 upward with respect to the movable block 300. That is, as shown in FIGS. 5 and 6, the first spring 530 may be a coil spring interposed between the lower end of the movable block 300 and the slide bar 510. That is, when the first spring 530 is a coil spring interposed between the lower end of the movable block 300 and the slide bar 510 as shown in FIGS. 5 and 6, the first spring 530 is a slide bar ( 510 is elastically pressed upward with respect to the movable block 300 to remove the play caused by the screw coupling between the adjusting screw 520 and the movable block 300 by a spring force, thereby reducing the fineness of the adjusting screw 520. This prevents idling during adjustment. In addition, as shown in FIGS. 7 and 8, when the plate spring 570 further includes a leaf spring 570 interposed between one end of the movable block 300 and the adjustment screw 520, the plate spring 570 may be an adjustment screw 520. ) Is elastically pressed downward with respect to the movable block 300 to remove the play between the adjustment screw 520 and the movable block 300 by spring force, so that idling occurs during fine adjustment of the adjustment screw 520. Do not do it.

As shown in FIGS. 7 to 9, the fixing screw 540 is screwed to the slide bar 510, and the fixing plate 550 closes the slide bar 350 of the movable block 300. It is installed between the 510 and the fixing screw 540, by pressing the fixing screw 540 to press the other surface of the movable block 300 to fix the slide bar 510. That is, when the slide bar 510 slides up and down by the adjustment screw 520, it is necessary to fix the slide bar 510 so that the slide bar 510 does not move due to an incorrect rotation of the adjustment screw 520. There is, the fixing screw 540 and the fixing plate 550 is installed for this purpose. The fixing screw 540 is screwed with the slide bar 510 so that the fixing screw 540 is moved forward or backward with respect to the slide bar 510 by the rotation of the fixing screw 540, and the fixing screw 540. The fixing plate 550 is installed between the slide bar 510 and the fixing plate 550 is pressed against the other surface of the movable block 300 when the fixing screw 540 moves forward. In this case, forcibly tightening the fixing screw 540, the fixing plate 550 is also severely pressurized the other surface of the movable block 300, accordingly the slide bar 510 is limited to the vertical movement is fixed. The fixing plate 550 is installed to close the slide groove 350 of the movable block 300, as shown in Figure 11, it can be manufactured in a plate shape of the length of the slide groove 350 or more. Accordingly, chips or various foreign matters, etc. of the edge band (B) does not flow into the slide groove 350 so that the fine adjustment of the slide bar 510 by the adjustment screw 520 is facilitated.

When the fixing screw 540 is rotated to retreat the fixing screw 540 due to excessive forcing and pressing of the fixing screw 540 and the fixing plate 550, it is difficult to loosen the fixing screw 540. In order to solve this problem, the second spring 560 is installed. The second spring 560 is interposed between the fixing screw 540 and the fixing plate 550. The second spring 560 uses a coil spring as shown in FIGS. 10 and 11, but may use a leaf spring. The fixing screw 540 and the fixing plate 550 can be easily forcibly tightened and pressed by the second spring 560, and the second spring 560 also when the fixing screw 540 and the fixing plate 550 are released. It can be easily released by the restoring force of).

On the other hand, the guide block 600 is provided with a chip discharge groove 620 and the trimming cutter 640, is attached to the lower end of the movable block (300). The guide block 600 is in contact with the edge surface of the edge band (B) attached to the panel and is cut through the chip discharge groove 620 when the upper and lower edges of the edge band (B) are cut by the trimming cutter 640. The chip of the cut edge band (B) is discharged. Since the chip discharge groove 620 and the trimming cutter 640 provided in the guide block 600 as described above can be implemented by a conventional technique, detailed description thereof will be omitted.

The embodiments of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art will be able to modify the technical idea of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention as long as it will be apparent to those skilled in the art.

1 is a front view showing the configuration of a conventional edge banding machine,

2 is an exploded perspective view of a conventional trimming device for an edge banding machine,

3 is an exploded perspective view illustrating main parts of the embodiment of FIG. 2;

Figure 4 is a cross-sectional view of the embodiment of Figure 3 combined;

5 is an exploded perspective view showing a first embodiment of a trimming device for an edge banding machine of the present invention,

6 is an exploded perspective view showing main parts of the embodiment of FIG. 5;

7 is an exploded perspective view showing a second embodiment of a trimming device for an edge banding machine of the present invention,

8 is an exploded perspective view showing main parts of the embodiment of FIG. 7;

9 is a cross sectional view of the embodiment of FIG.

<Explanation of symbols for main parts of the drawings>

  B: edge band

100: frame

200: lifting block

300: movable block 350: slide groove

400: vertical roller

500: vertical roller adjustment unit

510: Slide bar 520: Adjustment screw

530: first spring 540: fixing screw

550: fixing plate 560: second spring

570: leaf spring

600: guide block

620: chip discharge groove 640: trimming cutter

Claims (5)

The frame is fixedly fixed up and down on one side of the conveyor for conveying the panel attached to the edge band, the elevating block is installed so that the frame can be lifted, the movable block is installed to be movable in the horizontal direction, one side facing the panel A movable block biased to be viewed, a vertical roller rotatably installed on one surface of the movable block so as to press and support the conveyed panel, a vertical roller adjusting unit for sliding the vertical roller up and down with respect to the movable block, and a chip discharge groove And a trimming cutter and comprising a guide block attached to the lower end of the movable block. The vertical roller adjustment unit, A slide bar having the vertical roller coupled thereto and slidably installed up and down along a slide groove formed in the vertical direction on the movable block; An adjustment screw which is screwed through an upper end of the movable block and rotatably installed at one end of the movable block so as to be connected to an upper portion of the slide bar to move the slide bar up and down; A first spring interposed to press the slide bar elastically upward with respect to the movable block; A leaf spring interposed between one end of the movable block and the adjusting screw; A fixing screw in contact with the top of the slide bar, It is installed between the slide bar and the fixing screw to close the slide groove of the movable block, and presses the other surface of the movable block by pressing the fixing screw to fix the slide bar, the plate shape longer than the length of the slide groove Trimming device for an edge bander including a fixing plate of. The method of claim 1, The first spring, Trimming device for an edge bander, characterized in that the coil spring interposed between the lower end of the movable block and the slide bar. delete delete The method of claim 1, The vertical roller adjustment unit, Trimming device for an edge bander, characterized in that it further comprises a second spring interposed between the fixing screw and the fixing plate.

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