KR200274377Y1 - a tube-cutting apparatus - Google Patents

Abstract

The present invention relates to a tube cutting device for cutting an extruded tube to a certain length, and more particularly, in the transfer portion and the cutting portion constituting the tube cutting apparatus, cutting the tube conveyed by the transfer portion in the cutting portion It relates to a tube cutting device to obtain a clean and constant cutting surface in the process.

The structure and effect thereof will be described. In the tube cutting device comprising a conveying part and a cutting part comprising an upper and lower roller parts driven by a motor and guide roller parts provided on both sides of the upper and lower roller parts, the cutting part includes: A rotary motor, a clutch for regulating the rotational force supplied by the rotary motor, a cutter blade mounted on the end of the rotary shaft rotated by the rotary force transmitted from the clutch, and rotating around the rotary shaft, Located in the radius of rotation, it is characterized in that the tube consists of a guide hole is inserted, transported.

Therefore, by cutting the tube as the cutter blade rotates, the tube is pressed by the cutter blade in the process of cutting the tube, thereby minimizing the crushing, so that a clean and constant cutting surface can be obtained, thus significantly reducing the defective rate of the product. It has an effect that can be done.

Description

Tube cutting apparatus {a tube-cutting apparatus}

The present invention relates to a tube cutting device for cutting an extruded tube to a certain length, and more particularly, to a tube cutting device for cutting the required setting length on the same plane as well as the smooth transfer according to the tube cutting. It is about.

In general, the tube is made of a synthetic resin material, used in the production of a container for storing a variety of gel-type materials, such as cosmetics and toothpaste, briefly explaining the production process of the cylindrical tube is molded in the extrusion device, After the tube is solidified by a cooling device and cut to a certain length in the cutting device, the cut tube is manufactured into a tube container through a series of processing.

At this time, in the cutting device for cutting the tube to a predetermined length, conventionally the cutter blade installed in the cutting device is configured to cut the tube while lowering in a vertical direction from one side of the tube, by the cutter blade in the cutting process Since the tube is pressed and a temporary crushing phenomenon occurs, not only the cut surface is not cut to the same plane, but also there is a problem such that a burr is generated on the cut surface.

Accordingly, the present invention has been made to solve the conventional problems as described above, the purpose of the tube cutting device to cut the required setting length on the same plane with the smooth transfer according to the tube cutting In providing.

Another object of the present invention is to provide a tube cutting device that can be transported to the cutting portion accurately, as well as to smoothly transfer regardless of the diameter of the tube.

Still another object of the present invention is to provide a tube cutting device that can cut a tube in various lengths according to a user's request, and can also cut a tube of a set length accurately.

In order to achieve the above object, the present invention provides a tube cutting device including a transfer part and a cutting part including upper and lower roller parts driven by a motor and guide roller parts provided on both sides of the upper and lower roller parts, wherein the cutting part comprises: A rotary motor, a clutch for regulating the rotational force supplied by the rotary motor, a cutter blade mounted on the end of the rotary shaft rotated by the rotary force transmitted from the clutch, and rotating around the rotary shaft, Located in the radius of rotation, it is characterized in that the tube consists of a guide hole is inserted, transported.

In addition, the transfer unit and the upper and lower roller driving unit is provided to the rear of the upper and lower rollers, respectively; An upper support provided above the upper roller driving part; Guide rods provided at both sides of the upper support and penetrating the upper and lower roller driving portions; A first helix shaft portion spirally coupled to a central portion of the upper support and provided with a first handle upward and a through hole formed inward; It is mounted as a through hole of the first spiral shaft portion, the second handle is provided on the upper side, the fixing portion is provided in a portion corresponding to the upper and lower sides of the first spiral shaft portion, and penetrates through the center of the upper and lower roller driving portion It consists of a second spiral shaft portion for each of the spiral coupling, wherein the guide roller portion is composed of a fixed support formed with a long hole, a pair of guide rollers are inserted into the lower side of the lower hole, and a fixture mounted to the lower side of the guide roller It features.

In addition, the tube cutting portion includes a guide rod mounted to the outside of the main body frame, a sensor provided with the guide rod, a first sensor unit consisting of a fixture for fixing the sensor to the guide; And a second sensor unit comprising a sensor provided as the rotating shaft and a sensor corresponding to the sensor.

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

Figure 2a, b is a cross-sectional view taken along the line A-A 'of the transfer unit,

Figure 2a is an operating state showing the state of adjusting the height of the upper and lower roller portion.

Figure 2b is an operating state showing the state of adjusting the interval between the upper and lower roller portion.

Figure 3a, b is a view showing the operating state of the cutting unit according to FIG.

Figure 3a is a schematic plan view showing the internal configuration.

3B is a side view.

※ Explanation of codes for main parts of drawing

100: transfer unit

110: upper roller part

111: drive roller 112: driven roller

113: Rubber Belt

120: lower roller portion

130: guide roller portion

131: fixed support 131a: long hole

132: guide roller 133: fixture

140,150: Upper and lower roller driving part

160: first spiral shaft portion

161: first handle 162: through hole

170: second spiral shaft portion

171: second handle 172: fixing part

172a: Thrust bearing 172b: Fixed jaw

200: cutting part

210: rotary motor 220: clutch

230: shaft 240: cutter blade

250: guide groove

260: first sensor unit

261: guide stage 262: sensor

263: Fixture

270: second sensor unit

271: detector 272: sensor

300 tube

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be described in detail.

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

As shown, the present invention is a device for supplying a tube 300 produced through an extruder (not shown) and a cooler (not shown) to the cutting unit 200 through the transfer unit 100 to cut to a predetermined length.

At this time, the transfer unit 100 is the upper and lower roller unit 110 consisting of a driving roller 111, a driven roller 112 corresponding to the driving roller 111, and a rubber belt 113 wound around it. 120); The upper and lower roller parts 110 are provided to the rear of the upper and lower roller parts 110 and 120, respectively, and rotate the power of the drive shaft 190 by a motor (not shown) embedded in the main body frame. (120) consists of upper and lower roller driving units 140 and 150 in which a gear box (not shown) is transmitted.

In addition, the upper and lower roller parts 110, 120 are mounted on both sides, the fixing support 131 is formed with a long hole (131a), and a pair of guide rollers 132 is inserted into the lower hole (131a) And, the guide roller portion 130 composed of a fixture 133 is mounted to the lower side of the guide roller 132 is included in the transfer unit (100).

Accordingly, the tube 300 is inserted between the upper and lower roller parts 110 and 120 that rotate in opposite directions and is pressed and conveyed by a predetermined pressure, and the tube 300 that is pressed and crushed in the conveying process is guided. Passing through the roller portion 130 is pressed on both sides to recover the circle.

In addition, the front of the transfer unit 100, the cutting unit 200 is provided with a guide hole 250 for guiding the tube 300 to be transported and cut it by a built-in cutter blade (not shown), This will be described in detail with reference to FIGS. 3A and 3B.

Figure 2a, b is a cross-sectional view taken along the line A-A 'of the tube supply portion according to Figure 1, Figure 2a is an operating state diagram showing the state of adjusting the height of the upper and lower roller parts.

As shown in the figure, the upper and lower roller driving parts 140 and 150 provided at the rear of the upper and lower roller parts 110 and 120 shown in FIG. 1 are provided with an upper support 180 upward. Guide rods 181 which sequentially pass through the upper and lower roller driving parts 140 and 150 to both sides of the upper support 180 and are fixed to the main frame; A lower side is helically coupled to a central portion of the upper support 180, a first handle 161 is provided upward, and a first spiral shaft part 160 having a through hole 162 formed therein; The through hole 162 of the first spiral shaft portion 160, the second handle 171 is provided on the upper side, the thrust bearing (172a) to a portion corresponding to the upper and lower sides of the first spiral shaft portion 160 And a fixing part 172 formed of a fixing jaw 172b, and a second spiral shaft part 170 penetrating a central portion of the upper and lower roller driving parts 140 and 150 and spirally coupled to each other is mounted.

Accordingly, when the first handle 161 is rotated in one direction, the first spiral shaft part 160 is lifted from the upper support 180 and is fixed to the first spiral shaft part 160 by the fixing part 172. The two spiral shaft portion 170 also rises, and the upper and lower roller driving portions 140 and 150 coupled with the second spiral shaft portion 170 also rise by the rotational pitch of the first spiral shaft portion 160. do. In addition, when the first handle 161 is turned in the opposite direction, the upper and lower roller driving parts 140 and 150 are lowered together in the same principle as described above.

Therefore, even when the feeding and cutting positions of the tube need to be changed, the upper and lower roller driving portions and the upper and lower roller portions provided forward thereto can be raised and lowered by a simple operation by the handle. will be.

2B is an operating state diagram illustrating a state in which the gap between the upper and lower roller parts is adjusted. As shown in FIG. 2B, the second spiral shaft unit 170 is provided with a second handle 171 upward, and the upper and lower rollers are provided. The spirals penetrate through the center of the driving unit 140 and 150, respectively, and the spiral coupling state and the operation principle are described. Each of the spirals is provided independently, one side of which is formed of a right screw and the other side of which is formed of a left screw. When the 171 rotates in one direction, the upper and lower roller driving parts 140 and 150 advance in opposite directions, respectively, so that the gap is widened, and when the counterclockwise rotates in the opposite direction, the gap becomes narrower.

At this time, the second spiral shaft portion 170 is mounted as a through hole 162 of the first spiral shaft portion 160, the first by the fixing portion 172 consisting of a thrust bearing (172a) and the fixing jaw (172b). Since the position is fixed to the spiral shaft unit 160, even when the second handle 171 is rotated, only the rotational movement is performed in place.

In addition, as shown in Figure 1, the pair of guide rollers 132 constituting the guide roller 130 is capable of moving to both sides in the long hole (131a) of the fixed support 131, the guide roller ( It is comprised so that position fixing is possible by the fastener 133 which helically couples to the lower side of the 132.

Therefore, even when the diameter of the tube to be supplied is changed, the gap between the upper and lower roller parts and the distance between the guide rollers can be adjusted. The gap between the rollers and the guide rollers is increased, and in the opposite case, the gaps between the rollers and the guide rollers are narrowed to actively cope with this.

3A and 3B show an operating state of the cutting unit according to FIG. 1, and FIG. 3A is a plan view schematically showing an internal configuration, and FIG. 3B is a side view.

As shown in FIG. 1, the cutting part 200 includes a rotary motor 210 mounted to the inside of the main body frame, a clutch 220 to control the rotational force supplied by the rotary motor 210, and the It is mounted to the end of the rotary shaft 230 that rotates by the rotational force transmitted from the clutch 220, the cutter blade 240 that rotates about the rotary shaft 230 and located within the rotation radius of the cutter blade 240 And, it is composed of a guide hole 250 is inserted, the tube 300 is inserted into the inside.

In addition, the cutting unit 200 includes a guide stand 261 mounted to the outside of the main frame, a sensor 262 provided with the guide stand 261, and the sensor 262 with the guide stand 261. The first sensor unit 260 is formed of a fastener 263 to be fixed to the sensor, and comprises a sensing unit 271 provided by the rotating shaft 230 and a sensor 272 corresponding to the sensing unit 271. The second sensor unit 270 is provided.

At this time, the sensor 262 of the first sensor unit 260 is configured to be horizontally moved on the guide stand 261, and is connected to the clutch 220 to control this, the end of the tube 300 to be transferred When the sensor 262 is detected, the signal is transmitted to the clutch 220 to transmit the rotational force of the rotating motor 210 to the rotating shaft 230, thereby rotating the cutter blade 240, in the guide hole 250. The tube 300 is cut.

In addition, the sensor 272 of the second sensor unit 270 is also connected to the clutch 220 to control this, the cutter blade 240 is rotated to cut the tube 300 is provided on the rotary shaft 230 When the detection unit 271 is detected by the sensor 272, the signal is sent to the clutch 220, the rotational force is cut off so that the rotating shaft 230 no longer rotates, thereby cutting the cutter blade ( Positioning of the 240 will be made.

Therefore, the first and second sensor parts 260 and 270 enable the user to accurately cut the tube 300 to a desired length, and cut the tube 300 by the rotating cutter blade 240. Since it cuts like a cut, the tube is pressed by the cutter blade at the time of cutting, minimizing the distortion, so that a clean and constant cutting surface can be obtained.

As described above, the present invention by cutting the tube as the cutter blade rotates, cutting the tube in the process of cutting the tube by minimizing the crushing of the tube by the cutter blade, thereby obtaining a clean and constant cutting surface and thus the product Has the effect of significantly lowering the defective rate.

In addition, it is possible to adjust the height of the upper and lower rollers constituting the conveying portion, and to adjust the spacing between the upper and lower rollers and the distance between the guide rollers to change the feeding and cutting positions of the tubes. Even if it is necessary to transfer tubes with different diameters, it is possible to actively cope with this by a simple operation by the handle, and thus has the effect of always being able to accurately set the position of the transfer portion.

In addition, the first and second sensor parts have the effect of cutting the tube in various lengths according to the user's request, and also has the effect of accurately cutting the tube of the set length to prevent product defects. .

Claims (3)

In the tube cutting device consisting of a conveying part and a cutting part comprising an upper and lower roller parts driven by a motor and guide roller parts provided on both sides of the upper and lower roller parts, The cutting unit 200 is a rotary motor 210, a clutch 220 to control the rotational force supplied by the rotary motor 210, and the rotary shaft 230 to rotate by the rotational force transmitted from the clutch 220 C) is mounted to the end of the), the cutter blade 240 to rotate around the rotary shaft 230, and is located within the rotation radius of the cutter blade 240, the guide hole that the tube 300 is inserted, transported inward Tube cutting device, characterized in that consisting of (250). According to claim 1, wherein the transfer unit 100 is the upper and lower roller driving unit (140, 150) provided to the rear of the upper and lower roller unit (110, 120), respectively; An upper support 180 provided above the upper roller driving part 140; Guide rods 181 provided on both sides of the upper support 180 and penetrating the upper and lower roller driving parts 140 and 150; A first spiral shaft portion 160 spirally coupled to a central portion of the upper support 180 and having a first handle 161 upward and a through hole 162 formed inwardly; It is mounted to the through hole 162 of the first spiral shaft portion 160, the second handle 171 is provided on the upper side, the fixing portion to the portion corresponding to the upper and lower sides of the first spiral shaft portion 160 172 is provided, and consists of a second spiral shaft portion 170 penetrating the central portion of the upper and lower roller driving portions 140 and 150, respectively, and spirally coupled to each other. The guide roller 130 is mounted to the fixed support 131 is formed with a long hole (131a), a pair of guide rollers 132, the lower side is inserted into the long hole (131a), the lower side of the guide roller 132 Tube cutting device, characterized in that consisting of a fixture (133). According to claim 1, The cutting unit 200 is a guide table 261 mounted to the outside of the main frame, a sensor 262 provided by the guide table 261, the sensor 262 the guide A first sensor part 260 made of a fixture 263 fixed to the base 261; And a second sensor part (270) comprising a sensor (271) provided with the rotating shaft (230) and a sensor (272) corresponding to the sensor (271).