阅读说明：本技术 一种保温管在线包覆装置及成型方法 (Online cladding device and forming method for heat preservation pipe ) 是由 赵斌 于 2019-12-09 设计创作，主要内容包括：本发明公开一种保温管在线包覆装置及成型方法,其中保温管在线包覆装置包括,使保温带在管材表面形成截面为环状结构的保温带整型机构；整形加热机构,使保温带在长度方向的两个边外露,并对外露的保温带加热至表面融化的整形加热机构；使融化的部位相互粘合压实定形的粘合定形机构。在制造时,先将带状保温带进行初步整形,使该保温带能与管材表面贴合；再对贴合状态的保温带边加热融化后,由粘合定形机构将融化部件进行相互粘合,冷却后保温带在管材表面形成管状保温层,形成保温管。由于该装置可以在管材生产过程中就可以实现自动形成,避免保温套内孔过小时生产困难,保温套内孔过大时保温效果差,提高保温效果同时不影响生产效率。(The invention discloses an on-line cladding device and a forming method of a heat preservation pipe, wherein the on-line cladding device of the heat preservation pipe comprises a heat preservation belt shaping mechanism which enables a heat preservation belt to form a ring-shaped structure on the surface of a pipe; the shaping heating mechanism is used for exposing two edges of the heat preservation belt in the length direction and heating the exposed heat preservation belt until the surface is melted; and a bonding and shaping mechanism for bonding and compacting the melted parts with each other. During manufacturing, the strip-shaped heat-preservation belt is firstly shaped preliminarily, so that the heat-preservation belt can be attached to the surface of the pipe; and heating and melting the edges of the thermal insulation belt in the attached state, mutually bonding the melted parts by a bonding and shaping mechanism, and forming a tubular thermal insulation layer on the surface of the pipe by the thermal insulation belt after cooling to form a thermal insulation pipe. Because the device can just realize automatic formation in tubular product production process, avoid the insulation cover hole production difficulty when too big, the insulation effect is poor when the insulation cover hole is too big, does not influence production efficiency simultaneously to improve the heat preservation effect.)

1. An on-line cladding device of a heat preservation pipe comprises,

the heat preservation belt shaping mechanism is used for coating the heat preservation belt on the surface of the pipe to enable the heat preservation belt to form a structure with an annular section;

the shaping and heating mechanism exposes two edges of the annular heat preservation belt in the length direction and heats the exposed heat preservation belt until the surface is melted;

and the bonding and shaping mechanism is used for compacting, bonding and shaping the heated and melted part of the heat preservation belt, and forming a tubular protection temperature layer in the length direction of the pipe to coat the surface of the pipe.

2. The apparatus of claim 1, wherein the insulating belt shaping mechanism comprises a guide cylinder for changing the insulating belt from a flat shape to a circular shape in cross section.

3. The device for coating the heat preservation pipe on line as claimed in claim 2, wherein the discharge end of the guide cylinder is further provided with a roller set for pressing the heat preservation belt with an annular section against the pipe.

4. The on-line cladding device for the thermal insulation pipe according to claim 3, wherein the pressing roller set comprises two rollers, each roller is provided with a pressing groove matched with the pipe and the thermal insulation belt.

5. The on-line cladding device for a thermal insulation pipe according to claim 1, wherein the shaping heating mechanism comprises a shaping pipe having an opening for exposing both sides of the annular thermal insulation belt along the length direction and a heating member for heating the thermal insulation belt exposed to the opening.

6. The on-line cladding device for the thermal insulation pipe according to claim 5, wherein the heating component is a wind heating component, and a hot wind outlet of the wind heating component is consistent with the length of the opening.

7. The on-line cladding device for the thermal insulation pipe according to claim 1, further comprising a cooling mechanism for cooling the shaping pipe, wherein the cooling mechanism comprises an outer layer disposed outside the shaping pipe, a sealed liquid cooling cavity is formed between the outer layer and the shaping pipe, and a liquid inlet and a liquid outlet are disposed at two ends of the liquid cooling cavity respectively.

8. The on-line cladding device of the heat preservation pipe according to claim 1, wherein the bonding and shaping mechanism comprises two sets of conveying wheels arranged at the discharge end of the shaping pipe, each set of conveying wheels comprises a driven wheel, a driving wheel driven by a motor, and a conveying belt connected with the driving wheel and the driven wheel, and the distance between the two conveying belts is smaller than the sum of the diameter of the pipe and the thickness of two times of the heat preservation belt.

9. The on-line forming method of the heat preservation pipe comprises the following steps,

shaping a heat preservation belt, namely loosely shaping a planar heat preservation belt moving synchronously with the pipe on the surface of the coated pipe for one time to enable the planar heat preservation belt to form a ring-shaped section along the length of the pipe in the vertical direction;

shaping and heating, namely performing secondary shaping on the thermal insulation belt with the annular section along the length direction to expose two edges of the thermal insulation belt, and heating the surface of the exposed thermal insulation belt until the surface is melted;

and (3) an adhesion setting step, namely compacting, adhering and setting the contact part of the heat preservation belt which is heated and melted, and coating the tubular protection temperature layer on the surface of the pipe in the length direction of the pipe to form the heat preservation pipe.

10. The method according to claim 9, wherein the shaping and heating step further comprises a step of cooling and protecting the insulation belt in an unheated area during heating the exposed insulation belt until the surface melts.

Technical Field

The invention relates to the technical field of pipes, in particular to an on-line cladding device and a forming method for a heat preservation pipe.

Background

The existing heat preservation pipe is usually manufactured in the manufacturing process to firstly produce a heat preservation pipe body, and then a cylindrical heat preservation sleeve is sleeved on the heat preservation pipe body to form the heat preservation pipe; when the inner hole of the heat-insulating sleeve is too small, the heat-insulating effect is good, but the heat-insulating sleeve is difficult to be sleeved on the heat-insulating pipe body in the manufacturing degree, so that the production efficiency is influenced.

Disclosure of Invention

The invention mainly solves the technical problem of providing an on-line cladding device and a forming method for a heat preservation pipe, wherein the on-line cladding device for the heat preservation pipe can avoid the production difficulty when the inner hole of the heat preservation sleeve is too small, has poor heat preservation effect when the inner hole of the heat preservation sleeve is too large, and improves the heat preservation effect without influencing the production efficiency.

In order to solve the above problems, the present invention provides an on-line cladding device for an insulating tube, comprising,

the heat preservation belt shaping mechanism is used for coating the heat preservation belt on the surface of the pipe to enable the heat preservation belt to form a structure with an annular section;

the shaping and heating mechanism exposes two edges of the annular heat preservation belt in the length direction and heats the exposed heat preservation belt until the surface is melted;

and the bonding and shaping mechanism is used for compacting, bonding and shaping the heated and melted part of the heat preservation belt, and forming a tubular protection temperature layer in the length direction of the pipe to coat the surface of the pipe.

Further, the heat preservation belt shaping mechanism comprises a guide cylinder for changing the heat preservation belt from a plane shape to a circular section.

Further, the discharge end of the guide cylinder further comprises a pipe pressing mechanism body, the pipe pressing mechanism body is provided with a through hole, and a pair of rollers is arranged in the through hole.

Furthermore, each roller is provided with a pressing groove matched with the pipe and the heat preservation belt.

Furthermore, the shaping heating mechanism comprises a shaping pipe and a heating part, wherein the shaping pipe is provided with an opening for exposing two sides of the annular heat preservation belt along the length direction, and the heating part can heat the heat preservation belt exposed out of the opening.

Further, the heating part is a wind heating part, and a hot wind outlet of the wind heating part is consistent with the length of the opening.

Further, the wind heating part comprises a hot air blower.

Furthermore, the on-line cladding device for the heat preservation pipe also comprises a cooling mechanism for cooling the integral pipe.

Further, the cooling mechanism comprises an outer layer arranged outside the shaping pipe, a sealed liquid cooling cavity is formed between the outer layer and the shaping pipe, and a liquid inlet and a liquid outlet are respectively arranged at two ends of the liquid cooling cavity.

Further, the liquid inlet is located at the discharge end, and the liquid outlet is located at the feed end.

Furthermore, the bonding and shaping mechanism comprises two groups of conveying wheels arranged at the discharge end of the shaping pipe, each group of conveying wheels comprises a driven wheel, a driving wheel driven by a motor and a conveying belt connected with the driving wheel and the driven wheel, and the distance between the two conveying belts is smaller than the sum of the diameter of the pipe and the thickness of the two heat preservation belts.

Further, the bonding and shaping mechanism also comprises an adjusting mechanism for synchronously adjusting the horizontal heights of the two conveying belts.

Further, the bonding and shaping mechanism further comprises a spacing adjusting mechanism for adjusting the spacing of the two groups of conveying belts.

Further, the distance adjusting mechanism comprises a screw rod arranged between the two groups of conveying belt supports.

Furthermore, the on-line cladding device for the heat preservation pipe also comprises a control module for controlling the actions of the shaping and heating mechanism and the bonding and shaping mechanism.

The invention also provides an on-line forming method of the heat preservation pipe, which comprises the following steps,

shaping a heat preservation belt, namely loosely shaping a planar heat preservation belt moving synchronously with the pipe on the surface of the coated pipe for one time to enable the planar heat preservation belt to form a ring-shaped section along the length of the pipe in the vertical direction;

shaping and heating, namely performing secondary shaping on the thermal insulation belt with the annular section along the length direction to expose two edges of the thermal insulation belt, and heating the surface of the exposed thermal insulation belt until the surface is melted;

and (3) an adhesion setting step, namely compacting, adhering and setting the contact part of the heat preservation belt which is heated and melted, and coating the tubular protection temperature layer on the surface of the pipe in the length direction of the pipe to form the heat preservation pipe.

Further, the shaping and heating step further comprises a step of cooling and protecting the heat preservation belt of the unheated area in the process of heating the exposed heat preservation belt until the surface is melted.

The on-line coating device for the heat preservation pipe comprises a heat preservation belt shaping mechanism, wherein the surface of a pipe is coated with a heat preservation belt, so that the cross section of the heat preservation belt is of an annular structure; the shaping and heating mechanism exposes two edges of the annular heat preservation belt in the length direction and heats the exposed heat preservation belt until the surface is melted; and the bonding and shaping mechanism is used for compacting, bonding and shaping the heated and melted part of the heat preservation belt, and forming a tubular protection temperature layer in the length direction of the pipe to coat the surface of the pipe. During manufacturing, the strip-shaped heat-preservation belt is firstly shaped preliminarily, so that the heat-preservation belt can be attached to the surface of the pipe; and heating and melting the edges of the thermal insulation belt in the attached state, mutually bonding the melted parts by a bonding and shaping mechanism, and forming a tubular thermal insulation layer on the surface of the pipe by the thermal insulation belt after cooling to form a thermal insulation pipe. Because the device can just realize automatic formation in tubular product production process, avoid the insulation cover hole production difficulty when too big, the insulation effect is poor when the insulation cover hole is too big, does not influence production efficiency simultaneously to improve the heat preservation effect.

Drawings

In order to illustrate the embodiments of the invention or the technical solutions in the prior art more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the description only show some embodiments of the invention and therefore should not be considered as limiting the scope, and for a person skilled in the art, other related drawings can also be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural view of an on-line cladding device for an insulating pipe according to an embodiment of the invention.

FIG. 2 is a schematic structural view of an embodiment of a heat preservation belt shaping mechanism.

Fig. 3 is a schematic structural view of an embodiment of the shaping heating mechanism.

FIG. 4 is a schematic flow chart of an on-line forming method of the heat preservation pipe.

Fig. 5 is a schematic view of the construction of the inventive insulation belt.

FIG. 6 is a schematic view of the cross-sectional structure of the once-shaped thermal insulation belt along the length direction.

FIG. 7 is a schematic view of the cross-sectional structure of the secondarily shaped thermal insulation belt along the length direction.

Fig. 8 is a schematic view of a heated sublimation structure.

Fig. 9 is a schematic view of the formed insulated pipe structure.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The following claims of the present invention are further detailed in conjunction with the detailed description of the embodiments and the accompanying drawings, and it is apparent that the embodiments described are only a part of the embodiments of the present invention, and are all embodiments. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention without any inventive work also belong to the protection scope of the present invention.

It should be understood that in the description of the present invention, all directional terms such as "upper", "lower", "left", "right", "front", "rear", etc., indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships in which the products of the present invention are conventionally placed when in use, are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed in a specific orientation, and be operated. For the purpose of explaining the relative positional relationship of the components, the movement, etc., as shown in the drawings, when the specific attitude is changed, the directional indication may be changed accordingly.

Furthermore, ordinal words such as "first", "second", etc., are used for differentiation only and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. The technical features "first" and "second" may be explicit or implicit and at least one of the technical features may be limited thereby. In the description of the present invention, "a plurality" means at least two, i.e., two or more, unless expressly defined otherwise; the meaning of "at least one" is one or more than one.

As shown in fig. 1 to 3, the present invention provides an embodiment of an on-line cladding apparatus for an insulating pipe.

The on-line coating device for the heat preservation pipe comprises a heat preservation belt shaping mechanism 5, wherein a heat preservation belt A is coated on the surface of a pipe, so that the cross section of the heat preservation belt A is of an annular structure;

the shaping and heating mechanism 2 exposes two edges of the annular heat preservation belt A in the length direction and heats the exposed heat preservation belt A until the surface is melted;

and the bonding and shaping mechanism 3 is used for compacting, bonding and shaping the heated and melted part of the heat preservation belt A, and forming a tubular protection temperature layer in the length direction of the pipe B to coat the surface of the pipe.

Specifically, the heat preservation belt shaping mechanism 5, the shaping heating mechanism 2 and the bonding and shaping mechanism 3 are respectively arranged on the frame 1, and the shaping heating mechanism 2 and the bonding and shaping mechanism 3 are coordinated under the control of a controller (not shown in the figure).

The heat preservation belt shaping mechanism 5 comprises a guide cylinder which changes the heat preservation belt A from a plane shape to a section ring shape, a primary shaping through hole 51 is axially arranged on the guide cylinder, and when the heat preservation belt A and the pipe B pass through the primary shaping through hole 51, the heat preservation belt A can be loosely coated on the surface of the pipe B from a plane shape to a C shape. The shaped heat preservation belt A and the pipe B synchronously enter the shaping heating mechanism 2.

The shaping heating mechanism 2 comprises a shaping pipe 20 and a heating component 21, wherein the shaping pipe 20 is provided with a secondary shaping hole 201 and an opening 202 for communicating the secondary shaping hole 201 with the outside along the axial direction, the diameter of the secondary shaping hole 201 is slightly larger than the diameter of the pipe B and twice the thickness of the heat preservation belt A, and the diameter of the secondary shaping hole 201 is larger than that of the primary shaping through hole 51, namely, the secondary shaping hole 201 is used for tightly coating the heat preservation belt A coated on the surface of the pipe B. The secondary shaping hole 201 is matched with the opening 202, so that the annular heat preservation belt A is exposed out of the opening 202, and the heating part 21 can heat the heat preservation belt exposed out of the opening 202 until the edge surface is melted. When the heat preservation belt A and the pipe B with the edge surfaces melted move to the bonding and shaping mechanism 3, the edges are melted and mutually contacted and bonded, and the pipe B is fixed after cooling.

The bonding and shaping mechanism 3 comprises two groups of conveying wheels arranged at the discharge end of the shaping pipe 20, each group of conveying wheels comprises a driven wheel, a driving wheel driven by a motor and a conveying belt connected with the driving wheel and the driven wheel, and the distance between the two conveying belts is smaller than the sum of the diameter of the pipe and the thickness of the double heat preservation belt. Namely, the device comprises a first conveying set of wheels and a second conveying set of wheels, wherein the first conveying set of wheels comprises a first driving wheel 311 and a first driven wheel 312 which are connected by a first motor (not shown in the figure), and a first conveying belt 313 is arranged between the first driving wheel 311 and the first driven wheel 312; the second group of conveying wheels comprises a second driving wheel 321 and a second driven wheel 322 which are connected by a second motor (not shown in the attached drawings), a second conveying belt 323 is arranged between the second driving wheel 321 and the second driven wheel 322, the minimum distance between the first conveying belt 313 and the second conveying belt 323 is smaller than the sum of the diameter of the pipe B and the thickness of the double heat preservation belt A, when the edge of the melted heat preservation belt A passes through the space between the first conveying belt 313 and the second conveying belt 323, the melted part is in contact bonding connection, and the heat preservation belt A is fixed after cooling, so that the heat preservation belt A forms a ring structure to be coated on the surface of the pipe B.

Because the device can just realize automatic formation in tubular product production process, avoid the insulation cover hole production difficulty when too big, the insulation effect is poor when the insulation cover hole is too big, does not influence production efficiency simultaneously to improve the heat preservation effect.

According to the requirement, the heating component 21 is a wind-heat component, such as a hot air blower, the length of a hot air outlet of the wind-heat component is consistent with that of the opening 202, and the specific wind-heat temperature and the specific heating time are determined through limited times of experimental experience according to the characteristics of the heat insulation material.

In order to avoid influencing other parts of the heat preservation belt A when the edge of the heat preservation belt A is heated, the heat preservation pipe online cladding device further comprises a cooling mechanism for dissipating heat of the integral pipe. This cooling body includes that it is outer to be equipped with outside the integer pipe 20, forms sealed liquid cooling cavity between this skin and the integer pipe, and this liquid cooling cavity both ends are equipped with inlet and liquid outlet respectively, and this inlet and liquid outlet communicate through pipe 7 with the coolant liquid respectively, the inlet is located the discharge end, and the liquid outlet is located the feed end.

In order to make the heat preservation area A through the preliminary plastic of heat preservation area integer mechanism 5 can be in the better secondary plastic of integer pipe 20 guide cylinder 5, 5 discharge ends of heat preservation area integer mechanism still are equipped with the heat preservation area A and the tubular product hold-down mechanism 6 that are annular with the cross-section promptly, and this tubular product hold-down mechanism 6 includes the tubular product hold-down mechanism body, and this tubular product hold-down mechanism body is equipped with the through-hole, is equipped with a pair of gyro wheel 61 in this through-hole, and every gyro wheel 61 is equipped with and takes the complex indent with tubular product and heat preservation.

According to the requirement, the bonding and shaping mechanism 3 further comprises an adjusting mechanism 4 for synchronously adjusting the horizontal heights of the two conveying belts, the adjusting mechanism 4 comprises an adjusting motor 41 connected with the first transmission bracket 31 and the second transmission bracket 32, and a guide rod 42 is arranged between the first transmission bracket 31 and the rack 1 and between the second transmission bracket 32 and the rack 1. During adjustment, the adjustment motor 41 drives the first transmission bracket 31 and the second transmission bracket 32 to move up and down.

The bonding and shaping mechanism 3 further includes an interval adjusting mechanism (not shown in the drawings) for adjusting the interval between the first conveyor and the second conveyor as required.

According to the requirement, the shaping heating mechanism 2 further comprises a heating member adjusting mechanism for adjusting the distance between the heating member 21 and the opening 202, the heating member adjusting mechanism comprises a guide rod 23 in sliding fit with the heating member 21, and the heating member 21 slides on the guide rod 23 and is fixed after being in a proper position during adjustment.

As shown in fig. 4-9, the present invention provides an embodiment of an on-line forming method for an insulating tube.

The on-line forming method of the heat preservation pipe comprises the following steps,

s1 heat preservation belt shaping step, loosely shaping the plane heat preservation belt moving with the pipe on the surface of the cladding pipe, making the section of the plane heat preservation belt in the vertical direction along the length of the pipe be ring-shaped, as shown in figure 6;

s2, a shaping and heating step, namely, carrying out secondary shaping on the thermal insulation belt with the annular section along the length direction to expose two edges of the thermal insulation belt, and heating the surface of the exposed thermal insulation belt until the surface is melted, as shown in figures 7 and 8;

s3 bonding and shaping step, the parts of the heat preservation belt which are heated and melted are contacted, then compacted, bonded and shaped, and the tubular protection temperature layer on the surface of the pipe is coated in the length direction of the pipe to form the heat preservation pipe, as shown in figure 9.

Specifically, the device used in the on-line forming method of the heat preservation pipe adopts the structure of the embodiment. The detailed structure is not described again. The method also comprises a step of compressing and fixing before secondary shaping, so that the thermal insulation belt can be tightly coated on the surface of the pipe, and can easily enter subsequent secondary shaping, and two edges of the thermal insulation belt enter the opening of the secondary shaping structure, thereby facilitating heating.

In order to ensure that other parts of the heat preservation belt are not affected by heating, the shaping and heating step further comprises a step of cooling and protecting the heat preservation belt in an unheated area in the process of heating the exposed heat preservation belt to melt the surface, and water cooling can be adopted for specific cooling.

During manufacturing, the strip-shaped heat-preservation belt is firstly shaped preliminarily, so that the heat-preservation belt can be attached to the surface of the pipe; and heating and melting the edges of the thermal insulation belt in the attached state, mutually bonding the melted parts by a bonding and shaping mechanism, and forming a tubular thermal insulation layer on the surface of the pipe by the thermal insulation belt after cooling to form a thermal insulation pipe. Because the device can just realize automatic formation in tubular product production process, avoid the insulation cover hole production difficulty when too big, the insulation effect is poor when the insulation cover hole is too big, does not influence production efficiency simultaneously to improve the heat preservation effect.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.