Heating wire winding guide, heating wire winding device and heating wire winding method

Abstract

The invention relates to the technical field of winding tools, in particular to a structure for guiding a heating wire to be wound on a pipeline. Due to the fact that the heating wire winding guide piece is provided with the pipeline hole allowing the pipeline to pass through and the guide channel allowing the heating wire to pass through, winding of the heating wire is achieved when the pipeline rotates and moves in the pipeline hole. Due to the fact that the pipeline hole is communicated with the guiding channel, the heating wire enters the pipeline hole under the guiding effect of the guiding channel, the guiding effect of the guiding channel on the heating wire is good, and winding of the heating wire is facilitated. In the winding process, the tension forming structure of the guide channel can provide winding tension for the heating wire, the position of the heating wire relative to the pipeline does not need to be manually controlled, only the rotating speed and the moving speed of the pipeline need to be controlled, operation is convenient, the winding efficiency is high, and the consistency of the heating wire wound on the pipeline is better.

Description

Technical Field

[0001] The invention relates to the technical field of winding tooling, and in particular to a structure for guiding a heating wire to be wound around a pipeline. Background Art

[0002] During the fluid transmission process, it is sometimes necessary to heat the fluid in the pipeline. One heating method is to wrap a heating wire around the outer circumference of the pipeline and heat the fluid in the pipeline through the heating wire. This heating method can heat the fluid in the pipeline evenly.

[0003] At present, the heating wire is usually wound on the pipeline by manual winding. The manual winding of the heating wire requires attention to the relative position of the heating wire and the pipeline, and the pipeline rotation or heating wire winding. The operation is cumbersome and inefficient, and the winding quality of the heating wire is poor, which affects the uniformity of heating the fluid in the pipeline. Summary of the invention

[0004] The object of the present invention is to provide a heating wire winding guide, which is used to improve the technical problem of low efficiency in the current heating wire winding. In addition, the object of the present invention is also to provide a heating wire winding device using the above heating wire winding guide. In addition, the object of the present invention is also to provide a heating wire winding method using the above heating wire winding guide.

[0005] In a first aspect, an embodiment provides a heating wire winding guide, the heating wire winding guide having a pipe hole for allowing a pipe to pass through, the inner wall surface of the pipe hole being able to guide the pipe to move in the extension direction of the pipe hole and allowing the pipe to rotate relative to the pipe hole; the heating wire winding guide also has a guide channel; the guide channel connects the pipe hole with the outside of the heating wire winding guide so as to guide the heating wire to enter the pipe hole from the outside of the heating wire winding guide and wind around the outer circumference of the pipe; the guide channel has a tension forming structure, the tension forming structure being used to contact and slide relatively with the heating wire when the pipe is wound around the heating wire to provide winding tension.

[0006] Furthermore, in one embodiment, at least a portion of the channel wall of the guide channel is used to contact the heating wire and form the tension structure.

[0007] Furthermore, in one embodiment, the guide channel includes at least one curved section, and the channel wall surface of the curved section forms the tension structure.

[0008] Furthermore, in one embodiment, the number of the guide channels is at least two, so as to allow at least two heating wires to be wound around the pipe at the same time.

[0009] Furthermore, in one embodiment, the guide channel has an inner opening on the wall of the pipe hole, at least one pair of the guide channels are respectively a first guide channel and a second guide channel, the first guide channel and the second guide channel both include an inner guide section and an outer guide section, the inner guide section is connected to the pipe hole, and the inner opening is an opening at one end of the inner guide section; the inner opening of the first guide channel is opposite to the inner opening of the second guide channel, and the extension direction of the inner guide section of the first guide channel is consistent with the extension direction of the inner guide sections of the two guide channels, so as to guide the heating wire to pass through the inner opening of one of the first guide channel and the second guide channel and then enter the other guide channel from the inner opening of the other guide channel.

[0010] Furthermore, in one embodiment, the guide channel is a guide hole, and the heating wire winding guide member includes a first guide block and a second guide block, and the first guide block and the second guide block are detachably fixed and surround the guide hole.

[0011] Furthermore, in one embodiment, a guide groove is provided on the first guide block, and the second guide block has a covering plane for covering the guide groove, and the covering plane and the guide groove form the guide hole.

[0012] Further, in an embodiment, the first guide block and the second guide block are arranged in the extension direction of the pipeline hole, and the pipeline hole includes a first hole section on the first guide block and a second hole section on the second guide block.

[0013] Furthermore, in one embodiment, the opening on the first hole segment facing the second hole segment is the first opening, and the opening on the second hole segment facing the first hole segment is the second opening; at least one of the first opening and the second opening is a flared opening for guiding the transition bending of the heating wire.

[0014] Furthermore, in one embodiment, the outer edge of the end surface of the first guide block facing the second guide block is provided with a first chamfer, and the outer edge of the end surface of the second guide block facing the first guide block is provided with a second chamfer, the first chamfer and the second chamfer form an outer guide groove for guiding the heating wire, and the opening of the guide channel facing away from the pipe hole is located in the outer guide groove.

[0015] Furthermore, in one embodiment, a guide groove is provided on the first guide block, the second guide block and the guide groove form the guide hole, the second hole section has an loading port for the pipe to be loaded along a direction perpendicular to the extension direction of the pipe hole, and the second guide block is used to be fixed to the first guide block after the heating wire is loaded into the guide groove along the extension direction of the pipe hole.

[0016] In a second aspect, an embodiment provides a heating wire winding device, comprising:

[0017] A pipe clamp, the pipe clamp is used to clamp the pipe;

[0018] A rotation drive mechanism, the rotation drive mechanism is drivingly connected to the pipe clamp to drive the pipe to rotate;

[0019] A heating wire winding guide, wherein the heating wire winding guide is the heating wire winding guide described in any one of the above embodiments;

[0020] and a translation driving mechanism for driving the heating wire winding guide or the pipe clamp to translate along the extension direction of the pipe hole, so that the pipe can rotate in the pipe hole and move along the extension direction of the pipe hole at the same time.

[0021] In a third aspect, an embodiment provides a heating wire winding method, the method uses the heating wire winding guide of at least one of the above embodiments, the heating wire comprises a first section, a middle section and a second section, wherein the middle section is between the first section and the second section, and the heating wire winding method comprises the following steps:

[0022] Pass the heating wire to be wound through the first guide channel and the second guide channel, so that the middle section of the heating wire is in the pipe hole, push the middle section out of the pipe hole along the extending direction of the pipe hole, insert the pipe into the pipe hole, and fix the middle section pushed out of the pipe hole to the pipe;

[0023] The pipeline is rotated and simultaneously the pipeline is moved relative to the pipeline hole along the pipeline extension direction, so that the first section and the second section are simultaneously and parallelly wound around the pipeline.

[0024] In a fourth aspect, an embodiment provides a heating wire winding method, the method using the heating wire winding guide member in at least one of the above embodiments, comprising the following steps:

[0025] Fix the heating wire to be wound together with the pipe;

[0026] Pass the pipe through the first hole section, while the portion where the heating wire is fixed to the pipe is in the first hole section, or the portion where the heating wire is fixed to the pipe is outside the first hole section and the heating wire passes through the first hole section;

[0027] Pulling the portion of the heating wire to be wound so that the portion to be wound is folded toward the guide groove, and a section of the portion to be wound enters the guide groove from a notch of the guide groove toward the second guide block;

[0028] Installing the second guide block, allowing the pipe to enter the second hole section of the second guide block through the loading port, and then fixing the first guide block to the second guide block;

[0029] The pipeline is rotated, and at the same time, the pipeline is moved relative to the pipeline hole along the extending direction of the pipeline, so that the heating wire is wound around the pipeline.

[0030] Furthermore, in one embodiment, after the heating wire is wound onto the pipe, an insulating layer covering the heating wire is wound onto the pipe.

[0031] According to the heating wire winding guide of the above embodiment, since the heating wire winding guide has a pipe hole for the pipe to pass through and a guide channel for the heating wire to pass through, the heating wire is wound when the pipe rotates and moves in the pipe hole. Since the pipe hole is connected to the guide channel, the heating wire enters the pipe hole under the guidance of the guide channel. The guide channel has a good guiding effect on the heating wire, which facilitates the winding of the heating wire. During the winding process, the tension forming structure of the guide channel can provide winding tension for the heating wire, and the heating wire winding guide can assist in determining the position of the heating wire relative to the pipe. The operation is more convenient when winding the heating wire, the winding efficiency is high, and the consistency of the heating wire wound on the pipe is also better. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A schematic diagram of the structure of a heating wire winding device in an embodiment;

[0033] Figure 2 A front view of a heating wire winding device in one embodiment;

[0034] Figure 3 For along Figure 2 Sectional view of AA in the middle;

[0035] Figure 4 A cross-sectional view of a heating wire winding device in another embodiment;

[0036] Figure 5 A schematic diagram of the installation structure of a heating wire winding guide in an embodiment;

[0037] Figure 6 is a cross-sectional view of a heating wire winding guide in one embodiment;

[0038] Figure 7 is a schematic structural diagram of a first guide block in an embodiment;

[0039] Figure 8 A process diagram of installing a pipeline and a heating wire in an embodiment;

[0040] Fig. 9 It is a structural schematic diagram of a heating wire winding guide in another embodiment;

[0041] Fig.10 A schematic diagram of a process of installing a heating wire into a first guide block in an embodiment;

[0042] List of feature names corresponding to the reference numerals in the figure: 1. pipeline; 2. pipeline hole; 21. first hole section; 211. first hole opening; 22. second hole section; 221. second hole opening; 222. loading port; 3. guide channel; 30. guide hole; 31. inner port; 32. outer port; 33. first guide channel; 34. second guide channel; 35. inner guide section; 36. outer guide section; 4. heating wire; 41. first section; 42. middle section; 43. second section; 44. portion to be wound; 5. first guide block; 51. guide groove; 52 , first chamfer; 53, first fixing hole; 6, second guide block; 61, second chamfer; 62, second fixing hole; 7, outer guide groove; 8, pipe clamp; 81, driving end clamp; 82, follower end clamp; 83, pipe fixing block; 831, insertion hole; 832, threaded hole; 84, output shaft fixing hole; 85, output shaft threaded hole; 9, rotation drive mechanism; 91, output shaft; 10, translation drive mechanism; 101, translation seat; 11, frame; 111, bottom plate; 112, clamp seat; 113, drive mechanism seat; 12, bearing.

[0043] Explanation on the reference numerals in brackets in the drawings: In the reference numerals in brackets in the drawings, the features referred to by the reference numerals are both the features represented by the numbers in the brackets and the features represented by the numbers outside the brackets. DETAILED DESCRIPTION

[0044] The present invention is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are for making the present application better understood. However, those skilled in the art can easily recognize that some features can be omitted in different situations, or can be replaced by other elements, materials, methods. In some cases, some operations related to the present application are not shown or described in the specification, this is to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations according to the description in the specification and the general technical knowledge in the art.

[0045] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations. At the same time, the steps or actions in the method description can also be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the various sequences in the specification and the drawings are only for the purpose of clearly describing a certain embodiment and are not meant to be a required sequence, unless otherwise specified that a certain sequence must be followed.

[0046] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0047] In order to improve the winding efficiency of the heating wire, the present application provides a heating wire winding guide, which defines the position of the pipeline through the pipeline hole of the heating wire winding guide, and guides the heating wire into the pipeline hole, so as to facilitate the control of the position of the heating wire and the pipeline and improve the winding efficiency. The heating wire winding guide is described in detail below with reference to the accompanying drawings.

[0048] Please refer to Figures 1 to 10 The heating wire winding guide has a pipe hole 2 for allowing the pipe 1 to pass through, and the pipe hole 2 allows the pipe 1 to rotate relative to the pipe hole 2 and allows the pipe 1 to move relative to the pipe hole 2. The inner wall surface of the pipe hole 2 can guide the pipe 1, guide the pipe 1 to move along the extension direction of the pipe hole 2, and limit the pipe 1 from swinging in the pipe hole 2. Through the guiding effect of the pipe hole 2, the pipe 1 is more stable when moving relative to the pipe hole 2, and can rotate relative to the pipe hole 2.

[0049] The heating wire winding guide also has a guide channel 3, which connects the pipe hole 2 with the outside of the heating wire winding guide, so as to guide the heating wire 4 from the outside of the heating wire winding guide into the pipe hole 2 and wind around the outer periphery of the pipe 1. Specifically, the guide channel 3 has an inner opening 31 and an outer opening 32, wherein the inner opening 31 is on the inner wall surface of the pipe hole 2, and the outer opening 32 is on the outer surface of the heating wire winding guide. The guide channel 3 can be formed in any feasible manner. For example, in some embodiments, the guide channel 3 is a guide hole. For another example, in some other embodiments, the guide channel 3 is a guide groove. When a guide groove is used, it is necessary to be careful not to let the heating wire 4 escape from the guide groove.

[0050] The guide channel 3 has a tension forming structure, and the tension forming structure is used to contact and slide relatively with the heating wire 4 when the pipe 1 is wound around the heating wire 4 to provide winding tension.

[0051] By moving and cooperating with the pipe hole 2 and the pipe 1 in the extension direction of the pipe hole 2, the heating wire winding guide can make the pipe 1 move smoothly in the pipe hole 2, and at the same time allow the pipe 1 to rotate relative to the pipe hole 2, meeting the need for winding the heating wire 4. The pipe hole 2 is connected to the outside of the heating wire winding guide through the guide channel 3. Under the guidance of the guide channel 3, the heating wire 4 can enter the pipe hole 2 through the guide channel 3 and be wound around the pipe 1. The tension forming structure of the guide channel 3 provides winding tension, which further improves the convenience of winding the heating wire 4.

[0052] Regarding the tension forming structure, it is used to provide winding tension to facilitate the winding of the heating wire 4. In the present application, the tension forming structure uses the resistance of relative sliding between the heating wire 4 and the heating wire 4 to provide winding tension to the heating wire 4. On this basis, the tension forming structure can be in any feasible manner. For example, in one embodiment, at least a portion of the channel wall of the guide channel 3 is in contact with the heating wire 4, and the wall in contact with the heating wire 4 forms a tension forming structure; for another example, in one embodiment, the guide channel 3 has an elastic friction bushing, and the heating wire passes through the elastic friction bushing. The elastic friction bushing can increase the resistance of the heating wire 4, and the elastic friction bushing constitutes a tension forming structure.

[0053] In order to increase the winding tension, in some embodiments, the guide channel 3 includes at least one curved section, which can deform the heating wire 4 and increase the resistance when the heater passes through. Specifically, the shape of the curved section can be any curved shape such as "S" shape or "C" shape. In some embodiments, the guide channel 3 can be "S" shaped as a whole.

[0054] Of course, in some embodiments, please refer to Figure 3 , Figures 4 to 6 The guide channel 3 is a linear guide hole 30 (please refer to Figure 5 ), this structure is more convenient to process. At this time, the aperture of the guide hole 30 should match the wire diameter of the heating wire 4, so that the guide hole 30 and the heating wire 4 are gap-matched, so that the heating wire 4 can slide relative to the guide hole 30, and at the same time there is a sufficiently large contact area between the two, and the guide hole 30 provides a sufficiently large winding tension for the heating wire 4. In this case, if the winding tension is insufficient, the portion of the heating wire 4 in the guide hole 30 and the portion outside the heating wire winding guide may also form a certain angle, and the heating wire 4 will produce a certain deformation at the angle, and the resistance passing through the guide hole 30 is relatively large, which can provide a larger winding tension. In some embodiments, the guide channel 3 includes a gap-fitting section and a large-diameter section, wherein the aperture of the large-diameter section is larger than the aperture of the gap-fitting section, and the gap-fitting section is gap-fitted with the heating wire 4.

[0055] Further, in one embodiment, please refer to Figures 3 to 6In order to be able to wind at least two heating wires 4 at the same time, the number of the guide channels 3 is at least two, so as to allow at least two heating wires 4 to be wound around the pipe 1 at the same time. Figure 3 , Figure 4 , Figure 6 and Figure 7 , there are two guide channels 3. In some other embodiments, the number of guide channels 3 can be set as needed, for example, it can be one, three, four or any other number.

[0056] Further, in some embodiments, please refer to Figure 3 , Figure 4 , Figures 6 to 8 , at least two channels share a heating wire 4. In order to facilitate the installation of the heating wire 4, at least one pair of guide channels 3 are respectively a first guide channel 33 and a second guide channel 34. The first guide channel 33 and the second guide channel 34 both include an inner guide section 35 and an outer guide section 36. The inner guide section 35 is connected to the pipeline hole 2, and the inner opening 31 is an opening at one end of the inner guide section 35; the inner opening 31 of the first guide channel 33 is opposite to the inner opening 31 of the second guide channel 34, and the extension direction of the inner guide section 35 of the first guide channel 33 is consistent with the extension direction of the inner guide section 35 of the two guide channels 3, so that the heating wire 4 can be guided to pass through the inner opening 31 of one guide channel 3 of the first guide channel 33 and the second guide channel 34 and then enter the other guide channel 3 from the inner opening 31 of the other guide channel 3.

[0057] Specifically, in one embodiment, please refer to Figure 3 , Figure 4 , Figure 6 and Figure 7 , the first guide channel 33 and the second guide channel 34 are both linear guide holes 30, and the inner guide section 35 and the outer guide section 36 are also both linear and coaxial. In some other embodiments, the inner guide section 35 and the outer guide section 36 may be at a certain angle. In some other embodiments, in the first guide channel 33 and the second guide channel 34, only the inner guide section 35 may be linear, and the shape of the outer guide section 36 may be curved. Of course, in some other embodiments, the two inner guide sections 35 may also be arc-shaped, for example, the two inner guide sections 35 are on the same arc, and it is also considered that the extension directions of the two inner guide sections 35 are consistent, and the two inner openings 31 are opposite, so that the heating wire 4 can be led out from one inner opening 31 and enter the other inner opening 31.

[0058] Of course, the inner opening 31 of the first guide channel 33 and the inner opening 31 of the second guide channel 34 described in the above embodiment are opposite to each other, and are not limited to the case of being directly opposite. On the premise that the heating wire 4 passes through one inner opening 31 and enters the other inner opening 31, the two inner openings 31 can also be staggered by a certain size. Similarly, the size of the two inner openings 31 can also be set as needed, and it is not required that the two inner openings 31 are of the same size. One of the inner openings 31 can be larger than the other inner opening 31. Of course, in some embodiments, it is easier to process when the sizes of the two guide holes 30 are the same.

[0059] The orientation of the two inner openings 31 is not limited to the direction perpendicular to the axial direction of the pipe hole 2. For example, the extension direction of the two inner guide sections 35 and the extension direction of the pipe hole 2 are at an angle less than 90 degrees, that is, the inner guide sections 35 are inclined. At this time, the orientation of the inner openings 31 of the two inner guide sections 35 and the axial direction of the pipe hole 2 also have an angle less than 90 degrees.

[0060] In one embodiment, please refer to Figures 6 to 8 The heating wire 4 is wound in the following manner: the heating wire 4 comprises a first section 41, a middle section 42 and a second section 43, wherein the middle section 42 is located between the first section 41 and the second section 43, and the heating wire winding method comprises the following steps:

[0061] Please refer to Figure 8 , the heating wire 4 to be wound passes through the first guide channel 33 and the second guide channel 34, so that the middle section 42 of the heating wire 4 is in the pipe hole 2, the middle section 42 is pushed out of the pipe hole 2 along the extension direction of the pipe hole 2, the pipe 1 is inserted into the pipe hole 2, and the middle section 42 pushed out of the pipe hole 2 is fixed to the pipe 1. The pipe 1 is rotated, and the pipe 1 is moved relative to the pipe hole 2 along the extension direction of the pipe 1, so that the first section 41 and the second section 43 are wound on the pipe 1 at the same time and in parallel.

[0062] Further, in one embodiment, please refer to Figures 3 to 7 The guide channel 3 is a guide hole 30, and the heating wire winding guide member includes a first guide block 5 and a second guide block 6. The first guide block 5 and the second guide block 6 are detachably fixed and enclose the guide channel 3, that is, the guide hole 30. The split guide block is more convenient to process, and one of the guide blocks can be replaced separately if it is damaged.

[0063] Further, in one embodiment, please refer to Figure 7, a guide groove 51 is provided on the first guide block 5, and a cover plane for covering the guide groove 51 is provided on the second guide block 6, and the cover plane and the guide groove 51 form a guide hole 30. In this way, after the guide groove 51 on the first guide block 5 is worn, the first guide block 5 can be replaced. In addition, when it is necessary to wind the heating wire 4 of different diameters, the first guide block 5 can also be replaced as needed, and guide grooves 51 of different sizes can be used to adapt to the heating wires 4 of different diameters. In addition, when there is only one guide channel, before the heating wire is wound on the pipeline, it is necessary to pass the heating wire through the pipeline hole and fix it with the pipeline. By making the first guide block and the second guide block detachable and surrounding the guide channel, it is convenient to wear the heating wire. The specific wearing method is: the heating wire can be first passed through the guide groove and then inserted into the part of the pipeline hole on the first guide block, and then the heating wire is passed through the first guide block, and then the first guide block and the second guide block are fixed together, and the pipeline is inserted to fix the pipeline and the heating wire.

[0064] Of course, in some other embodiments, the first guide block 5 and the second guide block 6 may both be provided with guide grooves 51 , and in this case, the guide blocks are surrounded by the guide grooves 51 on the first guide block 5 and the second guide block 6 .

[0065] Further, in one embodiment, please refer to Figures 3 to 6 , the first guide block 5 and the second guide block 6 are arranged in the extension direction of the pipeline hole 2, and the pipeline hole 2 includes a first hole segment 21 on the first guide block 5 and a second hole segment 22 on the second guide block 6. Compared with the pipeline hole 2 formed by the matching, this arrangement makes the dimensional accuracy of the first hole segment 21 and the second hole segment 22 higher, and has a better guiding effect on the pipeline 1. Specifically, in one embodiment, the first guide block 5 and the second guide block 6 can be detachably fixed, and the specific fixing method can be bolt fixing, magnetic fixing or clamping fixing, etc.

[0066] It should be noted that in some embodiments, Figures 1 to 8 The hole of the pipe 1 shown is a hole of equal diameter. Such a pipe hole 2 needs to accommodate the pipe 1 and also needs to satisfy the requirement of the heating wire 4 being wound around the outer periphery of the pipe 1. Thus, the gap between the pipe hole 2 and the pipe 1 is relatively large, which will inevitably affect the guiding effect of the pipe hole 2 on the pipe 1. In order to improve the guiding effect of the pipe hole 2 on the pipe 1, in some embodiments, after the heating wire 4 is wound around the outer periphery of the pipe 1, the portion of the pipe 1 wound with the heating wire 4 is in the first hole section 21 and is moved out of the pipe hole 2 through the first hole section 21. Since the second hole section 22 does not need to accommodate the heating wire, the aperture of the second hole section 22 is smaller than that of the first hole section 21. The pipe 1 is guided through the second hole section 22 to achieve a better guiding effect. During the winding process, even if the pipe 1 is made of a material that is easily deformed, the relative position relationship between the pipe 1 and the pipe hole 2 is more easily ensured through the second hole section 22.

[0067] In some other embodiments, the first guide block 5 and the second guide block 6 may also be arranged perpendicular to the extension direction of the pipe hole 2, in which case the first guide block 5 has a pipe groove, and the second guide block 6 covers the pipe groove to form the pipe hole 2. In some other embodiments, the first guide block 5 and the second guide block 6 may also be arranged perpendicular to the extension direction of the pipe hole 2, in which case the first guide block 5 has a pipe groove, and the second guide block 6 is also provided with a pipe groove, and the two pipe grooves are matched to form the pipe hole 2.

[0068] Further, in one embodiment, please refer to Figures 3 to 6 , the opening on the first hole section 21 facing the second hole section 22 is the first opening 211, and the opening on the second hole section 22 facing the first hole section 21 is the second opening 221. At least one of the first opening 211 and the second opening 221 is an expansion for guiding the transition bending of the heating wire 4. Since the guide hole 30 is formed by the first guide block 5 and the second guide block 6, the inner opening 31 of the guide channel 3 is at the position where the first opening 211 and the second opening 221 are relatively combined, at this time, at least one of the first opening 211 and the second opening 221 is an expansion, which can prevent the heating wire 4 from being scratched by the first opening 211 or the second opening 221 after passing through the inner opening 31, causing damage to the heating wire 4.

[0069] By expanding the mouth to form a transition chamfer, in the process of winding the heating wire 4, the heating wire 4 is transitionally bent when passing through the expanded mouth, so as to avoid damage to the heating wire 4. It should be noted that the heating wire 4 enters the pipe hole 2 through the guide hole 30 and is wound on the pipe 1. In the process of the pipe 1 rotating and moving, the heating wire 4 will move with the pipe 1, and at this time the heating wire 4 will have a certain bending. The chamfer formed by the expanded mouth can make the bending position of the heating wire 4 have a transition section, and the shape of the transition section is adapted to the chamfer formed by the expanded mouth, so that the bending part of the heater is smoother and not easily scratched and damaged. Therefore, the transition bending of the heating wire 4 refers to the bending position of the heating wire 4 being adapted to the chamfer formed by the expanded mouth, thereby realizing the smooth transition bending of the heating wire 4 at this position.

[0070] Specifically, in one embodiment, please refer to Figures 3 to 6 Since the pipe 1 moves in one direction when the heating wire 4 is wound, only the first orifice 211 is expanded in this embodiment. In some other embodiments, both the first orifice 211 and the second orifice 221 may be expanded. Of course, in some other embodiments, only the second orifice 221 may be expanded.

[0071] Furthermore, based on the principle similar to the above expansion, in one embodiment, please refer to Figures 3 to 6The outer edge of the end surface of the first guide block 5 facing the second guide block 6 is provided with a first chamfer 52, and the outer edge of the end surface of the second guide block 6 facing the first guide block 5 is provided with a second chamfer 61. The first chamfer 52 and the second chamfer 61 form an outer guide groove 7 for guiding the heating wire 4, and the outer opening 32 of the guide channel 3 is located in the outer guide groove 7. The outer guide groove 7 can reduce the damage of the edges and corners to the heating wire 4.

[0072] Regarding the form of chamfer, in one embodiment, a chamfer formed by a plane, i.e., a chamfered angle, is adopted, and in some other embodiments, a chamfer formed by an arc surface, i.e., a rounded angle, is adopted.

[0073] Please refer to Figures 1 to 4 In order to further improve the winding efficiency of the heating wire 4, a heating wire winding device is provided in one embodiment, and the heating wire winding device includes a pipe clamp 8, a rotation drive mechanism 9, a heating wire winding guide and a translation drive mechanism 10 ( Figures 1 to 4 Only the position of the mechanism is indicated, and the specific structure is not shown), wherein the heating wire winding guide is the heating wire winding guide described in any one of the above embodiments, which will not be repeated.

[0074] The pipe clamp 8 is used to clamp the pipe 1, and the rotation drive mechanism 9 is connected to the pipe clamp 8 to drive the pipe 1 to rotate. The translation drive mechanism 10 is used to drive the heating wire winding guide to translate along the extension direction of the pipe hole 2, so that the pipe 1 can rotate in the pipe hole 2 and move along the extension direction of the pipe hole 2.

[0075] Specifically, the heating wire winding device comprises a frame 11 , and the rotation driving mechanism 9 , the translation driving mechanism 10 and the heating wire winding guide are all mounted on the frame 11 .

[0076] The translation drive mechanism 10 includes a translation seat 101, and the heating wire winding guide is fixed on the translation seat 101. Specifically, the heating wire winding guide includes a first guide block 5 and a second guide block 6, which are arranged along the extension direction of the pipeline hole 2, and the first guide block 5 is provided with a first fixing hole 53, and the second guide block 6 is provided with a second fixing hole 62. After the fixing bolt passes through the first fixing hole 53 and the second fixing hole 62, it is screwed and fixed in the threaded hole on the translation seat 101 to achieve the fixation of the first guide block 5 and the second guide block 6. Of course, the heating wire winding guide can be fixed to the translation seat 101 in any feasible way, such as magnetic fixation, adhesive fixation or welding fixation.

[0077] The translation drive mechanism 10 can adopt any feasible common linear drive mechanism, such as a gear rack mechanism, a screw nut mechanism, a linear motor, etc. For example, when a screw nut mechanism is adopted, the translation seat 101 is fixed to the nut of the screw nut mechanism, and the screw is rotatably assembled on the frame 11. The screw is driven to rotate by the driving motor, which can drive the screw nut mechanism to operate, thereby making the translation seat 101 translate; by controlling the forward and reverse rotation of the driving motor, the translation seat 101 can be driven to reciprocate.

[0078] There are two pipe clamps 8, one of which is a driving end clamp 81 installed on the output shaft of the rotary drive mechanism 9, and the other is a follower end clamp 82 installed on the frame 11. Specifically, the pipe clamp 8 includes a pipe fixing block 83, which has an insertion hole 831 for inserting the end of the pipe 1 and a threaded hole 832 connected to the insertion hole 831. The pipe 1 can be fixed by screwing a screw into the threaded hole 832 to tighten the pipe 1. The two pipe clamps 8 have similar structures and are not described in detail. The follower end clamp 82 is rotatably assembled on the frame 11 through the bearing 12.

[0079] In one embodiment, please refer to Figures 1 to 4 , the rotary drive mechanism 9 is a rotary drive motor, and the drive end fixture 81 is fixed to the output shaft 91 of the rotary drive motor by fasteners. Specifically, the drive end fixture 81 has an output shaft fixing hole 84 and an output shaft threaded hole 85, the output shaft 91 of the rotary drive motor is inserted into the output shaft fixing hole 84, and then the top screw screwed in the output shaft threaded hole 85 tightens the output shaft 91 to achieve the fixation of the drive end fixture 81. In some other embodiments, the rotary drive mechanism and the drive end fixture can also be connected by transmission in any other feasible manner, such as the drive end fixture is rotatably assembled on the frame, and the rotary drive motor drives the drive end fixture to rotate through a gear system.

[0080] In one embodiment, please refer to Figures 1 to 4 The frame 11 includes a bottom plate 111, a fixture seat 112 and a driving mechanism seat 113. The translation driving mechanism 10 is mounted on the bottom plate 111, the rotation driving mechanism 9 is mounted on the driving mechanism seat 113, and the follower end fixture is mounted on the fixture seat 112. The fixture seat 112 and the driving mechanism seat 113 are both fixed on the bottom plate 111 and both cross the translation driving mechanism 10.

[0081] In some other embodiments, the heating wire winding guide may be fixed on the frame, and then the pipeline clamp 8 is driven to move in translation along the extension direction of the pipeline hole 2 by the translation drive mechanism, while also driving the rotation drive mechanism 9 to move in translation.

[0082] In one embodiment, please refer to Figures 1 to 8 , the method of using the heating wire winding device is as follows:

[0083] The heating wire 4 includes a first section 41, a middle section 42 and a second section 43, and the middle section 42 is located between the first section 41 and the second section 43. After the heating wire winding guide is fixed on the translation seat 101, the heating wire 4 to be wound passes through the first guide channel and the second guide channel, so that the middle section 42 of the heating wire 4 is located in the pipe hole 2, and the middle section 42 is pushed out of the pipe hole 2 along the extension direction of the pipe hole 2, and the pipe 1 is inserted into the pipe hole 2, and the middle section 42 pushed out of the pipe hole 2 is fixed to the pipe 1. The two ends of the pipe 1 are fixed to the driving end clamp 81 and the follower end clamp 81 respectively. The fixing method of the middle section 42 and the pipe 1 can be adhesive fixing, binding fixing or embedding fixing.

[0084] The pipe 1 is rotated and simultaneously moved relative to the pipe hole 2 along the extending direction of the pipe 1 , so that the first section 41 and the second section 43 are wound on the pipe 1 simultaneously and in parallel.

[0085] In addition to the above description, in one embodiment, please refer to Fig. 9 and Fig.10 , the following form may also be adopted: the first guide block 5 is provided with a guide groove 51, the second guide block 6 and the guide groove 51 form a guide channel 3, the guide channel 3 is a guide hole, the second hole section 22 has a loading port 222 for loading the pipe 1 along the extending direction perpendicular to the pipe hole 2, and the second guide block 6 is used to fix with the first guide block 5 after the heating wire 4 is loaded into the guide groove 51 along the extending direction of the pipe hole 2. In one embodiment, the first guide block 5 and the second guide block 6 are detachably fixed. The specific fixing method may be bolt fixing, magnetic fixing or clamping fixing, etc.

[0086] Please refer to Fig. 9 and Fig.10 The heating wire winding method using the heating wire winding guide comprises the following steps:

[0087] Fix the heating wire 4 to be wound and the pipe 1 together;

[0088] Pass the pipe 1 through the first hole section 21 of the first guide block 5, and make the portion where the heating wire 4 is fixed to the pipe 1 be in the first hole section 21, or make the portion where the heating wire 4 is fixed to the pipe 1 be outside the first hole section 21 and the heating wire 4 pass through the first hole section 21;

[0089] Pull the portion 44 to be wound on the heating wire 4, so that the portion 44 to be wound is folded toward the guide groove 51, and a section of the portion to be wound enters the guide groove 51 from the notch of the guide groove 51 toward the second guide block 6;

[0090] Install the second guide block 6, allow the pipe 1 to enter the second hole section 22 of the second guide block 6 through the loading port 222, and then fix the first guide block 5 and the second guide block 6;

[0091] The pipe 1 is rotated, and at the same time, the pipe 1 is moved relative to the pipe hole 2 along the extending direction of the pipe 1 , so that the heating wire 4 is wound around the pipe 1 .

[0092] The above method does not require the installation of a heating wire, is easier to implement, and facilitates automated operation.

[0093] In an embodiment of a heating wire winding method, after the heating wire 4 is wound onto the pipe 1, an insulating layer covering the heating wire 4 may be wound onto the pipe 1. The insulating layer is used to protect the heating wire 4 and prevent the heating wire 4 from being accidentally touched.

[0094] The above specific examples are used to illustrate the present invention, which is only used to help understand the present invention and is not intended to limit the present invention. For those skilled in the art, according to the concept of the present invention, some simple deductions, modifications or substitutions can be made.

Claims

1. A heating wire winding guide, characterized in that: The heating wire winding guide has a pipe hole for allowing a pipe to pass through, and the inner wall surface of the pipe hole can guide the pipe to move in the extension direction of the pipe hole and allow the pipe to rotate relative to the pipe hole; the heating wire winding guide also has a guide channel; the guide channel connects the pipe hole with the outside of the heating wire winding guide so as to guide the heating wire to enter the pipe hole from the outside of the heating wire winding guide and be wound around the outer circumference of the pipe; the guide channel has a tension forming structure, and the tension forming structure is used to contact and slide relatively with the heating wire when the pipe is wound around the heating wire to provide winding tension.

2. The heating wire winding guide according to claim 1, characterized in that: At least a portion of the channel wall surface of the guide channel is used to contact the heating wire and form the tension structure.

3. The heating wire winding guide according to claim 2, characterized in that: The guide channel includes at least one curved section, and a channel wall surface of the curved section forms the tension structure.

4. The heating wire winding guide according to claim 1, 2 or 3, characterized in that: The number of the guide channels is at least two, so as to allow at least two heating wires to be wound around the pipe at the same time.

5. The heating wire winding guide according to claim 4, characterized in that: The guide channel has an inner opening on the wall of the pipe hole, and at least two of the guide channels are respectively a first guide channel and a second guide channel. The first guide channel and the second guide channel both include an inner guide section and an outer guide section. The inner guide section is connected to the pipe hole, and the inner opening is an opening at one end of the inner guide section. The inner opening of the first guide channel is opposite to the inner opening of the second guide channel, and the extension direction of the inner guide section of the first guide channel is consistent with the extension direction of the inner guide sections of the two guide channels, so as to guide the heating wire to pass through the inner opening of one of the first guide channel and the second guide channel and then enter the other guide channel from the inner opening of the other guide channel.

6. The heating wire winding guide according to claim 1, 2 or 3, characterized in that: The guide channel is a guide hole, and the heating wire winding guide member includes a first guide block and a second guide block, and the first guide block and the second guide block are detachably fixed and surround the guide hole.

7. The heating wire winding guide according to claim 6, characterized in that: The first guide block is provided with a guide groove, and the second guide block has a covering plane for covering the guide groove, and the covering plane and the guide groove form the guide hole.

8. The heating wire winding guide according to claim 6, characterized in that: The first guide block and the second guide block are arranged in the extending direction of the pipeline hole, and the pipeline hole includes a first hole section on the first guide block and a second hole section on the second guide block.

9. The heating wire winding guide according to claim 8, characterized in that: The opening on the first hole segment facing the second hole segment is the first opening, and the opening on the second hole segment facing the first hole segment is the second opening; at least one of the first opening and the second opening is a flared opening for guiding the transition bending of the heating wire.

10. The heating wire winding guide according to claim 8, characterized in that: The outer edge of the end surface of the first guide block facing the second guide block is provided with a first chamfer, and the outer edge of the end surface of the second guide block facing the first guide block is provided with a second chamfer, the first chamfer and the second chamfer form an outer guide groove for guiding the heating wire, and the opening of the guide channel facing away from the pipe hole is located in the outer guide groove.

11. The heating wire winding guide according to claim 8, characterized in that: The first guide block is provided with a guide groove, the second guide block and the guide groove form the guide hole, the second hole section has an insertion port for the pipe to be inserted along a direction perpendicular to the extension direction of the pipe hole, and the second guide block is used to be fixed to the first guide block after the heating wire is inserted into the guide groove along the extension direction of the pipe hole.

12. A heating wire winding device, characterized in that: include: A pipe clamp, the pipe clamp is used to clamp the pipe; A rotation drive mechanism, the rotation drive mechanism is drivingly connected to the pipe clamp to drive the pipe to rotate; A heating wire winding guide, wherein the heating wire winding guide is the heating wire winding guide according to any one of claims 1 to 11; and a translation driving mechanism for driving the heating wire winding guide or the pipe clamp to translate along the extension direction of the pipe hole, so that the pipe can rotate in the pipe hole and move along the extension direction of the pipe hole at the same time.

13. A heating wire winding method using the heating wire winding guide as claimed in claim 4, characterized in that: The heating wire comprises a first section, a middle section and a second section, wherein the middle section is located between the first section and the second section, and the heating wire winding method comprises the following steps: Pass the heating wire to be wound through the first guide channel and the second guide channel, so that the middle section of the heating wire is in the pipe hole, push the middle section out of the pipe hole along the extending direction of the pipe hole, insert the pipe into the pipe hole, and fix the middle section pushed out of the pipe hole to the pipe; The pipeline is rotated and simultaneously the pipeline is moved relative to the pipeline hole along the pipeline extension direction, so that the first section and the second section are simultaneously and parallelly wound around the pipeline.

14. A heating wire winding method using the heating wire winding guide as claimed in claim 11, characterized in that: The following steps are involved: Fix the heating wire to be wound together with the pipe; Pass the pipe through the first hole section, while the portion where the heating wire is fixed to the pipe is in the first hole section, or the portion where the heating wire is fixed to the pipe is outside the first hole section and the heating wire passes through the first hole section; Pulling the portion of the heating wire to be wound so that the portion to be wound is folded toward the guide groove, and a section of the portion to be wound enters the guide groove from a notch of the guide groove toward the second guide block; Installing the second guide block, allowing the pipe to enter the second hole section of the second guide block through the loading port, and then fixing the first guide block to the second guide block; The pipeline is rotated, and at the same time, the pipeline is moved relative to the pipeline hole along the extending direction of the pipeline, so that the heating wire is wound around the pipeline.

15. The heating wire winding method according to claim 13 or 14, characterized in that: After the heating wire is wound onto the pipe, an insulating layer covering the heating wire is wound onto the pipe.

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