TW202000534A - Method for setting marking pattern on the surface of pipe, finished pipe product, and marking device for the outer surface of the pipe to have a continuously dense marking pattern to prevent counterfeiting - Google Patents

Abstract

The present invention relates to a method for setting a marking pattern on the surface of a pipe, a finished pipe product, and a marking device. The finished pipe product is provided with a plurality of continuous marking patterns on the outer surface by a heating printing method. The marking device has a conveying unit, a heating-press printing unit, a guiding unit, an actuating unit, an adjusting unit, a belt changing unit, and a control unit. Also, a transfer belt can be set and the mark pattern on the transfer belt can be automatically and thermally printed on the outer surface of the pipe to have a better printing efficiency. Furthermore, the outer surface of the pipe has a continuously dense marking pattern to prevent counterfeiting.

Description

Pipe surface marking design setting method, pipe finished product and marking device

The invention relates to a method for setting a marking pattern on a surface of a pipe, a finished product of a pipe and a marking device thereof, and mainly refers to a function which can improve the convenience of making the marking pattern on the surface of the pipe and the anti-counterfeiting function.

The conventional pipe can provide guiding liquid, gas and other fluids, and can be made of plastic, metal and other materials with a variety of different pipe diameters. The pipe is generally formed by drawing a long body, which is currently placed at a suitable interval on the outer wall of the pipe to prevent counterfeiting The manufacturer's trademark or other specifications are printed by the laser, and in order to improve the printing efficiency, a marking pattern is generally printed on the long tube at intervals of several meters, so that the user can confirm the production by the marking pattern source.

However, after purchasing pipes, users generally have to cut the appropriate length of the pipe according to the application occasions. When the length of the cut pipe is less than the distance between the marked patterns on the pipe, it will cause the pipe to have no marked patterns, and lead to counterfeit pipe. To improve the aforementioned situation, when printing marking patterns with densely spaced lasers on pipes, printing hours will be greatly increased, and the low printing efficiency does not meet the lack of economic benefits.

The purpose of the present invention is to provide a tube printing method, a finished product and a marking device that can densely print a marking pattern on the surface of the tube, and can have better printing efficiency and anti-counterfeiting marking functions.

The method for setting the marking patterns on the surface of the pipe of the present invention includes the following steps: S1. Setting up a marking device, which can be heated and embossed; S2. Setting up a long transfer belt with continuous marking patterns; the marking patterns can be linked Or the interval is less than 50 CM; S3. Put the transfer belt and the tube in the position of the marking device; S4. Make the transfer belt abut the outer surface of the tube, and heat and imprint to transfer the continuous marking pattern on the transfer belt To the outer surface of the pipe, and after the transfer belt is separated from the pipe, the outer surface of the pipe has a continuous marking pattern.

The marking device of the pipe surface marking pattern of the present invention includes a conveying unit, a heating and embossing unit, a guiding unit, an actuating unit, and a control unit. The conveying unit has a number of bearing wheels and a number of actuating wheels that can drive the displacement of the pipe , The digital actuating wheel is driven by the transmission device; and the heating and embossing unit is arranged above the conveying unit, and mainly has a first lifting cylinder, a first heating device, an embossing wheel, the first heating device and the embossing wheel The first lifting cylinder drives the upward and downward displacement; the guide unit mainly has a first turntable and a number guide rod, and a transfer belt is arranged in the first turntable, the transfer belt has a number of continuous marking patterns, each marking The edge of the pattern can be connected or the interval is less than 50 CM; and the actuator unit has a transmission device to drive the displacement of the transfer belt; and the control unit is electrically connected to the conveying unit, heating and embossing unit, guide unit, and actuating unit; and the conveying unit And the actuating unit respectively drives the displacement of the pipe and the transfer belt, and the continuous marking pattern on the transfer belt is printed on the outer surface of the pipe by the heating and imprinting unit.

Further, the supporting wheels of the conveying unit are arranged in a co-planar arrangement and can bear pipes; and the actuating wheels are two sets arranged vertically at intervals above the supporting wheels, and the actuating wheels on one side are engaged with the adjustment lever, The distance between the two actuating wheels can be adjusted by the adjusting rod; the transmission device has a motor and a transmission rod, the transmission rod is engaged with the motor and the actuating wheel, and the motor can drive the transmission rod and the actuating wheel to rotate and the pipe can be displaced, and the heating The embossing unit further includes a preheating device, and a transmission device can drive the embossing wheel to rotate, and the preheating device is located above the corresponding supporting wheel of the conveying unit, and can preheat the pipe, including a second lifting cylinder 1. A second heating device, the second lifting cylinder can drive the displacement of the second heating device.

Further, the guide unit further includes a second turntable, the first and second turntables are respectively provided with a transfer belt, and respectively have first and second rotation shafts, the first and second rotation shafts are respectively connected to a transmission device, and the action The unit further includes an actuating lever, a forcing lever, and a recovery lever. The transmission device of the actuating unit rotates the actuating lever, and the forcing lever is arranged on the side of the actuating lever, and the transfer belt can be sandwiched between the actuating levers Between the forced engagement rod; the recovery rod is linked with the actuating rod and is engaged with the end of the transfer belt.

Further, the rotation speed of the actuating rod of the actuating unit is slightly faster than the rotating speed of the actuating wheel of the conveying unit, and the invention further includes an adjusting unit, which is provided on the input side of the actuating unit and has an adjusting seat, two guide posts, and two Upright post, an adjustment block, an upper switch, a lower switch, the adjustment seat has a side wall and an upper wall, a lower wall, the center has a hollow part, and the two guide posts are provided on the two sides above the adjustment seat, and can be placed against the guide respectively The transfer belt is introduced; the two uprights are arranged on the upper and lower walls of the adjustment base; and the two sides of the adjustment block are respectively provided with a through hole through which the uprights can be inserted, and the center has a cross bar against the transfer belt; The printing tape can surround the lower edge of the horizontal bar of the adjustment block, and the adjustment block can be moved up and down on the column; and the adjustment block can be set against the contact rod of the upper and lower switches; and the upper and lower switches are respectively set in the adjustment The upper and lower positions of the seat are respectively electrically connected with the transmission device of the actuating unit.

The invention further includes a belt changing unit, which is arranged on the first and second turntable sides of the guiding unit, and includes a belt changing seat, a lower horizontal column, an upper horizontal column, an actuating cylinder, and a first sense Sensor, a second sensor, the lower horizontal column is arranged below the belt changing seat, and the upper horizontal column is arranged above the corresponding lower horizontal column, and the actuating cylinder is arranged above the belt changing seat and can drive up The displacement of the horizontal column is up and down; the first and second sensors are respectively arranged at the positions corresponding to the first and second turntables, and are electrically connected to the actuating cylinder, and can sense whether the transfer belt on the first or second turntable is As soon as it runs out, the transfer belt on the first or second turntable penetrates between the upper and lower horizontal columns of the belt changer and is guided by the guide unit to the heating and imprinting unit, and the second or first turntable The end of the upper transfer belt is attached to the lower horizontal column by a colloid with a smaller bonding force, and a colloid with a larger bonding force is bonded above the end of the transfer belt.

The outer surface of the pipe of the present invention is provided with a plurality of consecutively arranged marking patterns corresponding to the axial direction of the main body. The edges of each marking pattern can be connected or the interval between adjacent marking patterns is less than 50 CM. Viewing the marking pattern on the outer surface can ensure that the pipe has a better anti-counterfeiting function, and the invention can quickly print the marking pattern, which can have better marking efficiency.

The method for setting the surface pattern of the pipe of the present invention includes the following steps: S1. Setting up a marking device, which can be heated and embossed; S2. Setting up a long transfer belt with continuous marking patterns; the edges of the marking patterns can be connected Or the interval is less than 50 CM; S3. Put the transfer belt and the tube in the position of the marking device; S4. Make the transfer belt abut the outer surface of the tube, and heat and imprint to transfer the continuous marking pattern on the transfer belt To the outer surface of the pipe, and after the transfer belt is separated from the pipe, the outer surface of the pipe has a continuous marking pattern.

Please refer to FIGS. 1 to 4, the marking device of the present invention includes a conveying unit 1, a heating and embossing unit 2, a guiding unit 3, an actuating unit 4, an adjusting unit 5, a tape changing unit 6, and a control unit 7. The conveying unit 1 has a number of supporting wheels 11, a number of actuating wheels 12, and a transmission device 13, and the number of supporting wheels 11 are arranged on the input side to the output side of the conveying unit 1 in a coplanar average arrangement and can carry The pipe 9; and the number of driving wheels 12 are two sets arranged vertically above the bearing wheel 11 at intervals. The one side of the driving wheel 12 is engaged with the adjusting rod 121, and the spacing between the two driving wheels 12 can be adjusted by the adjusting rod 121; The transmission device 13 has a motor 131 and a transmission rod 132 which are engaged with the motor 131 and the driving wheel 12 and enable the motor 131 to drive the transmission rod 132 and the driving wheel 12 to rotate and displace the pipe 9.

The heating and embossing unit 2 is provided above the conveying unit 1 and includes a first lifting cylinder 21, a first heating device 22, an embossing wheel 23, a transmission device 24, a preheating device 25, and the first heating device 22 And the embossing wheel 23 is driven and displaced by the first lifting cylinder 21 to a higher or lower position from the bearing wheel 11 of the conveying unit 1, and the first heating device 22 is an electric heating cover, and the transmission device 24 can drive the pressure The printing wheel 23 rotates, and the rotation speed of the impression wheel 23 corresponds to the rotation speed of the actuating wheel 12 of the conveying unit 1; the preheating device 25 is provided on the input side of the conveying unit 1 above the receiving wheel 11 and includes a second A lifting cylinder 251 and a second heating device 252. The second lifting cylinder 251 drives the second heating device 252 to a higher or lower position from the receiving wheel 11; the second heating device 252 is an electric heating cover.

The guide unit 3 includes a first turntable 31, a second turntable 32, and a number of guide rods 33. The first and second turntables 31, 32 may be respectively provided with a transfer belt 81, 82 wound in an annular shape. The transfer belts 81 and 82 have continuous arrangement marking patterns 811 and 821, respectively, and first and second rotating shafts 311 and 321, respectively. The first and second rotating shafts 311 and 321 are respectively connected to a transmission device 312 and 322 to provide a first 2. The rotation torque of the second rotating shafts 311 and 321, and the number guiding rod 33 can guide the transfer belts 81 and 82 to turn to the set position.

The actuating unit 4 includes a transmission device 41, an actuating lever 42, a forcing lever 43, and a recovery lever 44, the transmission device 41 is a motor and rotates the actuating lever 42, and the forcing lever 43 is provided on the actuating lever 42 side , And the transfer belt 81 can be sandwiched between the actuating lever 42 and the urging lever 43 and driven to be displaced, the actuating lever 42 rotates slightly faster than the rotating speed of the actuating wheel 12 of the conveying unit 1; and the recovery lever 44 It is provided above the urging lever 43 to be engaged with the end of the transfer belt 81, and the recovery lever 44 is interlocked with the actuation lever 42 by the transmission belt 441, so that the recovery lever 44 can be rolled to recover the transfer belt 81.

The adjusting unit 5 is provided on the input side of the actuating unit 4 and has an adjusting base 51, two guide posts 52, two uprights 53, an adjusting block 54, an upper switch 55, a lower switch 56, the adjusting base 51 has a side wall 511 and an upper The wall 512, the lower wall 513, the center has a hollow portion 514, and the two guide posts 52 are provided on the two sides above the adjustment seat 51, and can respectively abut the guide transfer belt 81; and the two upright posts 53 are provided on the adjustment seat 51 Between the upper and lower walls 512 and 513; on both sides of the adjusting block 54 are penetrating holes 541 through which the uprights 53 can be inserted, and the center has a cross bar 542 that can abut the transfer belt 81; and the transfer belt 81 can be adjusted around The lower edge of the horizontal bar 542 of the block 54 and the adjustment block 54 can be moved up and down on the post 53; and the contact bar 543 is provided on the adjustment block 54; and the upper and lower switches 55 and 56 are respectively provided on the adjustment base 51, The lower position is electrically connected to the transmission device 41 of the actuating unit 4, and when the contact rod 543 of the adjusting block 54 contacts the upper switch 55, the transmission device 41 of the actuating unit 4 can be stopped, and the adjusting block 54 moves down to When the contact lever 543 contacts the lower switch 56, the transmission device 41 of the actuating unit 4 can be operated.

The belt changing unit 6 is provided on the first and second turntables 31, 32 side of the guiding unit 3, and includes a belt changing seat 61, a lower horizontal post 62, an upper horizontal post 63, an actuating cylinder 64, and a first sensing 65, a second sensor 66, the lower horizontal column 62 is arranged below the belt changing seat 61, and the upper horizontal column 63 is arranged above the lower horizontal column 62 corresponding to the belt changing seat 61, and the actuating cylinder 64 is arranged Above the belt changing base 61, and can drive the upper and lower columns 63 to move up and down; and the first and second sensors 65 and 66 can be infrared or other sensors, respectively located on the corresponding first and second turntables 31 , 32 position, and electrically connected to the cylinder 64, and can sense whether the transfer belt 81, 82 on the first or second turntable 31, 32 is almost used up, and make the transfer belt 81 on the first turntable 31 It can be inserted between the upper and lower horizontal posts 63 and 62 of the belt changing base 61, and is guided by the guiding unit 3 to the heating and imprinting unit 2, and the end of the transfer belt 82 on the second turntable 32 can be made of colloid 822 It is attached to the lower horizontal post 62 with a small bonding force, and a colloid 823 with a larger bonding force is bonded above the end of the transfer belt 82.

The control unit 7 is electrically connected to the conveying unit 1, the heating and imprinting unit 2, the guiding unit 3, and the actuating unit 4, and can control or adjust the transmission device 13 of the conveying unit 1, the first and second heating devices of the heating and imprinting unit 2. 22, 252, the first and second lifting cylinders 21, 251; the transmission device 312, 322 of the guide unit 3; and the transmission device 41 of the actuating unit 4 act.

Please refer to FIGS. 4 and 5. During the implementation of the present invention, transfer belts 81 and 82 may be provided on the first and second turntables 31 and 32 of the guide unit 3 respectively, and the transfer belt 81 of the first turntable 31 may be inserted through the belt replacement Between the upper and lower horizontal columns 63 and 62 of the unit 6, and adjacent to each guide rod 33, it extends above the corresponding conveying unit 1, below the adjusting block 54 of the adjusting unit 5, the actuating rod 42 and the urging lever 43 of the actuating unit 4 At the same time, the end is engaged with the recovery rod 44, and the end of the transfer belt 82 on the second turntable 32 is pasted by the glue 822 and placed above the horizontal post 62 under the belt changing unit 6, and the end of the transfer belt 82 The colloid 823 is set above.

According to the present invention, the actuating wheel 12 of the conveying unit 1 is adjusted by the adjusting rod 121 to adjust the spacing of the corresponding pipe 9, and the control unit 7 causes the transmission device 13 of the conveying unit 1 to operate to rotate the actuating wheel 12 and the first of the heating and imprinting unit 2 The lifting cylinder 21 is lowered, and the first heating device 22 is heated, and the transmission device 24 drives the impression wheel 23 to rotate, and when the diameter of the pipe 9 is larger, the second lifting cylinder 251 of the preheating device 25 can also be lowered and make The second heating device 252 heats (not shown in the figure), and when the tube 9 is placed on the receiving wheel 11 of the conveying unit 1 and the end is placed between the two actuating wheels 12, the tube 9 can be displaced, and the actuating unit 4 The operation of the transmission device 41 rotates the actuating rod 42 and the recovery rod 44 and drives the transfer belt 81 to be displaced, so that the tube 9 and the transfer belt 81 are located at the positions corresponding to the platen wheel 23 and can be heated to mark the transfer belt 81 The pattern 811 is transferred to the outer surface 91 of the tube 9 and the tube 9 is led out of the conveying unit 1 after the outer surface 91 of the tube 9 can have a continuous marking pattern 92 corresponding to the transfer belt 81 (as shown in FIG. 10). 92 can be connected or spaced within 50 CM, so the length of the tube 9 cut over 50 CM will be able to display the marking pattern 92 on its outer surface 91, which can ensure the anti-counterfeiting function.

Please refer to FIGS. 3, 5, 6, and 7. In the printing process of the present invention, the transmission devices 312, 322 of the first and second turntables 31, 32 can provide the appropriate torque for the traction transfer belts 81, 82, and the adjustment of the adjustment unit 5 The weight of the block 54 can drive the transfer belt 81 to be tightened to improve the smoothness of the printing process. When the adjustment block 54 moves down as shown in FIG. 6 and the contact lever 543 contacts the lower switch 56, the actuator unit 4 can be activated as shown in FIG. The actuating lever 42 rotates and displaces the transfer belt 81 so that the adjustment block 54 can be driven upward. When the contact lever 543 touches the upper switch 55, the actuating lever 42 of the actuating unit 4 stops rotating, which ensures the transfer belt 81 to set the tension tightness operation to have better actuation and stability effect.

Please refer to FIGS. 4, 8, and 9. In the present invention, when the transfer belt 81 of the first turntable 31 is almost exhausted, it can be sensed by the first sensor 65, and the actuating cylinder 64 of the belt changing unit 6 is moved to make the upper horizontal The post 63 is lowered, and the transfer belt 81 of the first turntable 31 is lowered to fit the end of the transfer belt 82 of the second turntable 32, and the upper horizontal post 63 is raised, so that the second turntable 32 can be automatically switched over. The transfer belt 82 is continuously printed, and the transfer belt 81 on the recovery rod 44 can be recovered.

In the present invention, another transfer belt 81 can be placed on the first turntable 31, and the transfer belt 81 can place its end on the lower horizontal post 62 (not shown in the figure) as described above, and can be replaced by the second The sensor 66 senses that the transfer belt 82 on the second turntable 32 is almost used up, and then activates the actuating cylinder 64 so that the transfer belt 81 on the first turntable 31 can continue the transfer operation (not shown in the figure). It can ensure continuous operation for a long time to improve operation efficiency.

Please refer to FIG. 10, the pipe 9 manufactured by the present invention has an outer surface 91, and the outer surface 91 is provided with a plurality of consecutively arranged marking patterns 92 corresponding to the axial direction of the pipe. Each marking pattern 92 may be connected or adjacent to the marking pattern 92. The interval is less than 50 CM Therefore, the pipe 9 of the present invention can have a good labeling effect, and can also have the labeling pattern 92 when the length of more than 50 CM is cut, which can have a better labeling and anti-counterfeiting effect.

Therefore, the pipe of the present invention described above can have a different marking method from the conventional pipe, and can ensure that the consumer purchases the truncated pipe can still clearly mark the anti-counterfeiting effect, and the present invention can have a quick and convenient labeling function. The invention can also be provided with one turntable, and no preheating device can be provided. The foregoing embodiments are examples of the present invention and are not limitations of the present invention. Any equivalent changes based on the spirit of the present invention should also fall within the scope of the present invention.

1‧‧‧Conveying unit 11‧‧‧Carrying wheel 12‧‧‧Actuating wheel 121‧‧‧Adjusting rod 13‧‧‧ Transmission device 131‧‧‧Motor 132‧‧‧ Transmission rod 2‧‧‧Heating and imprinting unit 21‧‧‧First lifting cylinder 22‧‧‧First heating device 23‧‧‧Imprint wheel 24‧‧‧Transmission device 25‧‧‧Preheating device 251‧‧‧Second lifting cylinder 252‧‧‧Second Heating device 3‧‧‧Guiding unit 31‧‧‧ First turntable 311‧‧‧First rotating shaft 312‧‧‧ Transmission device 32‧‧‧Second turntable 321‧‧‧Second rotating shaft 322‧‧‧ Transmission device 33 ‧‧‧Guide rod 4‧‧‧Actuating unit 41‧‧‧Transmission device 42‧‧‧Actuating rod 43‧‧‧Coupling lever 44‧‧‧Recovery rod 441‧‧‧Drive belt 5‧‧‧Adjustment unit 51‧ ‧‧Adjusting seat 511‧‧‧Side wall 512‧‧‧Upper wall 513‧‧‧Lower wall 514‧‧‧Hollow part 52‧‧‧Guide post 53‧‧‧Vertical post 54‧‧‧Adjust block 541‧‧‧Through hole 542‧‧‧cross bar 543‧‧‧contact bar 55‧‧‧up switch 56‧‧‧down switch 6‧‧‧ belt change unit 61‧‧‧ belt change seat 62‧‧‧down cross column 63‧‧‧up Horizontal column 64‧‧‧Actuating cylinder 65‧‧‧First sensor 66‧‧‧Second sensor 7‧‧‧Control unit 81‧‧‧Transfer belt 811‧‧‧Marking pattern 82‧‧‧Turn Printed tape 821‧‧‧Marking pattern 822‧‧‧Colloid 823‧‧‧Colloid 9‧‧‧Tube 91‧‧‧Surface 92‧‧‧Marking pattern

FIG. 1 is a schematic perspective view of the pipe marking device of the present invention.

Fig. 2 is a schematic front view of the pipe marking device of the present invention.

FIG. 3 is a partial perspective view of the pipe marking device of the present invention.

Fig. 4 is a partial perspective view of the pipe marking device of the present invention.

Fig. 5 is a schematic diagram of the operation of the pipe marking device of the present invention.

Figure 6 is a schematic diagram of the operation of the pipe marking device of the present invention, showing that the actuating block is in conflict with the lower switch.

Fig. 7 is a schematic diagram of the operation of the pipe marking device of the present invention, showing that the actuating block is in conflict with the upper switch.

Fig. 8 is a schematic diagram of the operation of the tape changing unit of the pipe marking device of the present invention.

FIG. 9 is a schematic diagram of the transfer device of the present invention by the transfer belt of the second turntable.

Figure 10 is a schematic diagram of the finished pipe material of the present invention.

1‧‧‧Conveying unit

11‧‧‧Carrying wheel

12‧‧‧Actuating wheel

121‧‧‧Adjustment lever

13‧‧‧ Transmission

131‧‧‧Motor

2‧‧‧Heating and imprinting unit

21‧‧‧First lift cylinder

22‧‧‧First heating device

25‧‧‧Preheating device

251‧‧‧Second lifting cylinder

252‧‧‧Second heating device

3‧‧‧Guiding unit

31‧‧‧ First turntable

311‧‧‧The first shaft

312‧‧‧ Transmission device

32‧‧‧Second turntable

321‧‧‧second shaft

322‧‧‧ Transmission device

33‧‧‧Guide rod

4‧‧‧Actuating unit

41‧‧‧ Transmission

42‧‧‧Actuator

43‧‧‧ Forced

44‧‧‧Recycling rod

441‧‧‧Drive belt

5‧‧‧Adjustment unit

513‧‧‧lower wall

52‧‧‧Guide post

53‧‧‧Post

54‧‧‧Adjustment block

55‧‧‧Up switch

56‧‧‧Lower switch

6‧‧‧ Tape change unit

61‧‧‧Change seat

62‧‧‧Lower column

63‧‧‧Upper column

64‧‧‧Actuator

7‧‧‧Control unit

81‧‧‧transfer belt

Claims (10)

A method for setting a marking pattern on the surface of a pipe includes the following steps: S1. Setting a marking device, which can be heated and embossed; S2. Setting a long transfer belt with a continuous marking pattern; the edges of each marking pattern can be connected or The interval is less than 50 CM; S3. Put the transfer belt and the tube in the position of the marking device; S4. Make the transfer belt close to the outer surface of the tube, and heat and imprint to transfer the continuous marking pattern on the transfer belt to The outer surface of the pipe, and the outer surface of the pipe has a continuous marking pattern after the transfer belt is separated from the pipe. A marking device for marking patterns on the surface of a pipe, comprising: a conveying unit, a plurality of bearing wheels and a number of actuating wheels capable of driving the displacement of the pipe, the number of actuating wheels is driven by a transmission device; a heating and embossing unit is arranged above the conveying unit , Mainly with a first lifting cylinder, a first heating device, an embossing wheel, the first heating device and the embossing wheel are driven by the first lifting cylinder to move up and down; a guide unit, mainly with a first The turntable and the number guide rod are provided with a transfer belt in the first turntable. The transfer belt has a number of continuous marking patterns, and each marking pattern can be connected or the interval is less than 50 CM; an actuating unit with a transmission device can drive the transfer belt Displacement; a control unit, electrically connected to the conveying unit, heating and imprinting unit, guide unit, and actuating unit; and the conveying unit and the actuating unit respectively drive the displacement of the pipe and the transfer belt, and the heating and imprinting unit makes the transfer belt The continuous marking pattern on the top is printed on the outer surface of the pipe. The marking device for marking the surface of the pipe as described in claim 2, wherein the bearing wheels of the conveying unit are arranged side by side and can bear the pipe; and the actuating wheels are two sets of two vertically arranged on the bearing at intervals Above the wheel, the actuating wheel on one side engages the adjusting lever, and the spacing between the two actuating wheels can be adjusted by the adjusting lever; and the transmission device has a motor and a transmission rod, the transmission rod is engaged with the motor and the actuating wheel, and the motor can drive the transmission rod and The actuating wheel rotates and makes the pipe displaceable. The marking device for marking the surface of the tube as described in claim 2, wherein the heating and imprinting unit further includes a preheating device, and a transmission device can drive the imprinting wheel to rotate, and the preheating device can preheat the tube , Which is located above the corresponding supporting wheel of the conveying unit and includes a second lifting cylinder and a second heating device, and the second lifting cylinder can drive the displacement of the second heating device. The marking device for marking the surface of a pipe as described in claim 2, wherein the guide unit further includes a second turntable, the first and second turntables are respectively provided with a transfer belt, and respectively have first and second rotation shafts. The first and second rotating shafts are respectively connected to a transmission device. The marking device for marking the surface of the pipe as described in claim 2, wherein the actuating unit includes an actuating lever, a forcing lever, and a recovery lever, the transmission device of the actuating unit rotates the actuating lever, and the forcing lever is provided at One side of the actuating lever, so that the transfer belt can be sandwiched between the actuating lever and the coercive lever; the recovery lever is linked with the actuating lever and engaged with the end of the transfer belt. The marking device for marking the surface of the pipe as described in claim 6, wherein the rotation speed of the actuating rod of the actuating unit is slightly faster than the rotating speed of the actuating wheel of the conveying unit, and further includes an adjusting unit, which is provided on the input side of the actuating unit , With an adjustment seat, two guide posts, two upright posts, an adjustment block, an upper switch, a lower switch, the adjustment seat has a side wall and an upper wall, a lower wall, the center has a hollow portion, and the two guide posts are provided in the adjustment The upper two sides of the seat can be respectively attached to the guide transfer belt; the two uprights are located between the adjustment base and the lower wall; the two sides of the adjustment block are respectively provided with a through hole through which the uprights can be inserted, and the center can be attached Rely on the cross bar of the transfer belt; make the transfer belt surround the lower edge of the cross bar of the adjustment block, and the adjustment block can be moved up and down on the column; and the adjustment block can be set against the contact bar of the upper and lower switches ; The upper and lower switches are respectively arranged at the upper and lower positions of the adjustment base, and are respectively electrically connected to the transmission device of the actuating unit. The marking device for marking the surface of the pipe as described in claim 5, further comprising a belt changing unit, which is provided on the first and second turntable sides of the guiding unit, and includes a belt changing base and a lower horizontal column 1. An upper horizontal column, an actuating cylinder, a first sensor, and a second sensor. The lower horizontal column is located below the belt changing seat, and the upper horizontal column is located above the corresponding lower horizontal column. The actuating cylinder is arranged above the belt changing seat and can drive the upper and lower columns to move upward and downward; and the first and second sensors are respectively arranged at positions corresponding to the first and second turntables, and are electrically connected to the actuating cylinder, and Sensing whether the transfer belt on the first or second turntable is almost used up. The marking device for marking the surface of the pipe as described in claim 8, wherein the transfer belt on the first or second turntable penetrates between the upper and lower horizontal columns of the belt changing base and is guided by the guide unit to the heating pressure The printing unit, and the end of the transfer belt on the second or first turntable is attached to the lower horizontal column by a glue with a lower adhesion force, and a glue with a greater adhesion force is bonded above the end of the transfer belt . A finished pipe material having an outer surface. The outer surface is provided with a plurality of consecutively arranged marking patterns corresponding to the axial direction of the main body. The edges of each marking pattern can be connected or the interval between adjacent marking patterns is less than 50 CM.

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