Heating assembly beneficial to constant temperature

By introducing a constant-temperature heating mechanism and an insulation sleeve into the pipeline heating device, combined with a temperature sensor and a circulation guide module, the problem of uneven temperature during heating was solved, constant temperature control was achieved, and processing quality was improved.

CN223748382UActive Publication Date: 2026-01-02JIANGSU XINAIS PRECISION TECHNOLOGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520252826.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-01-02
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Existing pipeline heating devices suffer from uneven temperature during the heating process, making it difficult to achieve constant temperature control.

Method used

The constant temperature heating mechanism includes a constant temperature heating module, an insulation sleeve, and a concentric material guiding mechanism. The temperature inside the heating chamber is monitored by a temperature sensor. The heat delivery module and the circulation guiding module work together to evenly distribute the hot air inside the heating chamber, and the temperature is maintained by the insulation sleeve.

Benefits of technology

This achieves uniform temperature and constant temperature control within the heating chamber, ensuring balanced temperature after pipeline heating and thus improving processing quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223748382U_ABST
    Figure CN223748382U_ABST
Patent Text Reader

Abstract

The utility model discloses a heating assembly beneficial to constant temperature, which belongs to the technical field of pipeline heating mechanisms and comprises a constant-temperature heating mechanism, a heat preservation sleeve and a concentric material guide mechanism. The constant-temperature heating mechanism comprises a heating bin and constant-temperature heating modules, a plurality of sets of constant-temperature heating modules are evenly installed in the heating bin at equal intervals, and each constant-temperature heating module comprises a heat supply module, a flow guide box and a temperature sensor; a heat supply module for heating is installed on the lower side of the heating bin, a flow guide box is fixedly installed in the heating bin, and a temperature sensor for monitoring the temperature in the heating bin is fixedly installed on the lower side of the heating bin; the right end of the heat preservation sleeve is fixedly connected with the left end of the heating bin. And the concentric guide mechanism is mounted between the heat-insulating sleeve and the heating bin. In this way, the temperature in the heating bin is monitored through the temperature sensor, the heat supply module enables hot air to be evenly dispersed in the heating bin through cooperation of the flow guide box and the circulating flow guide module, and the temperature is kept through the heat preservation sleeve after pipeline heating is completed and the pipeline leaves the heating bin.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline heating mechanism technical field, specifically related to a kind of heating assembly beneficial to thermostatic. BACKGROUND

[0002] Before bending pipeline, it is usually necessary to heat pipeline according to set temperature, so that pipeline softens;To keep heating temperature at set value, pipeline is usually passed through heating bin;Pipeline is heated by heating module in heating bin, and temperature in heating bin is detected by temperature sensor.

[0003] For example, Chinese patent CN114738586A discloses a pipeline heating device, which is arranged in a detachable heating barrel.

[0004] However, the flow of air is relatively complex, and the hot air is directly delivered into the heating barrel, which makes the temperature on one side near the air inlet high and the temperature on one side near the air outlet low, so that the temperature in the heating barrel is not balanced, and it is difficult to control the temperature in the heating barrel.

[0005] Therefore, the utility model designs a kind of heating assembly beneficial to thermostatic to solve the above problems. UTILITY MODEL CONTENT

[0006] In view of the above shortcomings of the prior art, the utility model provides a kind of heating assembly beneficial to thermostatic.

[0007] To achieve the above purpose, the utility model is realized by the following technical solutions:

[0008] A kind of heating assembly beneficial to thermostatic, including thermostatic heating mechanism, heat preservation sleeve and concentric material guiding mechanism;

[0009] The thermostatic heating mechanism includes heating bin and thermostatic heating module, and multiple groups of thermostatic heating modules are uniformly installed in the heating bin at equal intervals, the thermostatic heating module includes heat supply module, flow guide box and temperature sensor;Heat supply module is installed on the lower side of the heating bin for heating, flow guide box is fixedly installed in the heating bin, and temperature sensor is fixedly installed on the lower side of the heating bin for monitoring the temperature in the heating bin;The right end of the heat preservation sleeve is fixedly connected with the left end of the heating bin;

[0010] The concentric material guiding mechanism is installed in the middle part of the heat preservation sleeve and the heating bin.

[0011] Further, the thermostatic heating mechanism further includes a circulating flow guide module, and the circulating flow guide module is arranged in the flow guide box for guiding hot air.

[0012] Further, the heat delivery module comprises a driving motor, a vortex impeller and a heating wire, the driving motor is fixedly installed at the lower side of the heating bin, the output end of the driving motor is fixedly connected with the vortex impeller after penetrating into the heating bin from the bottom of the heating bin; the heating wire is fixedly installed in the heating bin.

[0013] Further, the heat delivery module comprises a driving motor, a vortex impeller and a heating wire, the driving motor is fixedly installed at the lower side of the heating bin, the output end of the driving motor is fixedly connected with the vortex impeller after penetrating into the heating bin from the bottom of the heating bin; the heating wire is fixedly installed in the heating bin.

[0014] Further, the heat delivery module comprises a driving motor, a vortex impeller and a heating wire, the driving motor is fixedly installed at the lower side of the heating bin, the output end of the driving motor is fixedly connected with the vortex impeller after penetrating into the heating bin from the bottom of the heating bin; the heating wire is fixedly installed in the heating bin.

[0015] Further, the heat delivery module comprises a driving motor, a vortex impeller and a heating wire, the driving motor is fixedly installed at the lower side of the heating bin, the output end of the driving motor is fixedly connected with the vortex impeller after penetrating into the heating bin from the bottom of the heating bin; the heating wire is fixedly installed in the heating bin.

[0016] Further, the heat delivery module comprises a driving motor, a vortex impeller and a heating wire, the driving motor is fixedly installed at the lower side of the heating bin, the output end of the driving motor is fixedly connected with the vortex impeller after penetrating into the heating bin from the bottom of the heating bin; the heating wire is fixedly installed in the heating bin.

[0017] Further, the heat delivery module comprises a driving motor, a vortex impeller and a heating wire, the driving motor is fixedly installed at the lower side of the heating bin, the output end of the driving motor is fixedly connected with the vortex impeller after penetrating into the heating bin from the bottom of the heating bin; the heating wire is fixedly installed in the heating bin.

[0018] The utility model discloses compared with prior art, its beneficial effect is: in the heating bin, through temperature sensor monitoring the temperature in the heating bin, and the cooperation of heat delivery module through the flow guide box and the circulation flow guide module makes the hot air evenly dispersed in the heating bin, and the pipe heating is completed and leaves the heating bin after through the temperature -retaining sleeve and keeps the temperature, and it is convenient for subsequent pipe bending. ACCURACY OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 A three-dimensional view of the magnetic suspension pipe bending machine with good pipe bending effect Figure 1 ;

[0021] Figure 2 A front view of a magnetic levitation pipe bending machine with good pipe bending effect according to the present application;

[0022] Figure 3 A perspective view of a magnetic levitation pipe bending machine with good pipe bending effect according to the present application Figure 2 ;

[0023] Figure 4 A front view of a magnetic levitation pipe bending machine with good pipe bending effect according to the present application;

[0024] Figure 5 A schematic view of a feeding mounting plate and its connecting structure;

[0025] Figure 6 A schematic view of a mounting rack and its connecting structure;

[0026] Figure 7 A schematic view of a rotating disc and its connecting structure;

[0027] Figure 8 A schematic view of a fixing plate and its connecting structure;

[0028] Figure 9 A schematic view of a mold mounting plate and its connecting structure;

[0029] Figure 10 A schematic view of a copper pipe structure;

[0030] Figure 11 A schematic view of an inner lining ring and its connecting structure;

[0031] Figure 12 A Figure 4 A magnified view of position A in FIG. 8;

[0032] Figure 13 A schematic view of a box body and its connecting structure;

[0033] Figure 14 A schematic view of a box body structure.

[0034] The reference numerals in the figures represent, respectively:

[0035] 1, Pipe feeding assembly; 11, feeding module; 111, feeding mounting plate; 112, rotating plate; 113, pressure wheel; 114, laser sensor; 12, feeding module; 121, mounting frame; 122, adjusting servo motor; 123, bidirectional threaded rod; 125, moving table; 126, first guide rail; 127, synchronous belt; 128, pressure roller; 13, moving module; 131, mounting table; 132, second guide rail; 133, first sliding table; 134, reset air cylinder; 135, pressure sleeve; 14, magnetic suspension material guiding support module; 141, magnetic suspension sleeve; 142, core rod; 143, connecting steel bar; 144, supporting spring; 2, constant temperature heating mechanism; 21, heating bin; 22, heat sending module; 221, driving motor; 222, eddy current impeller; 223, heating wire; 23, flow guide box; 231, flow guide bin; 232, backflow bin; 233, backflow channel; 234, hollow groove; 235, top plate; 236, box body; 24, circulating flow guide module; 241, lower flow guide plate; 242, upper flow guide box; 243, flow guide hole; 244, backflow hole; 245, backflow baffle; 25, temperature sensor; 3, heat preservation sleeve; 4, concentric material guiding mechanism; 41, copper pipe; 411, heating section; 412, heat preservation section; 42, micro-vibration concentric material guiding module; 421, first feeding guide sleeve; 422, material guiding spring; 423, inner lining ring; 43, auxiliary clamping assembly; 431, fixed plate; 433, lower guide sleeve; 434, auxiliary clamping air cylinder; 435, upper guide sleeve; 5, adjustable bending mechanism; 51, rotating module; 511, fixed frame; 512, rotating motor; 513, first gear; 514, second gear; 515, rotating disc; 516, fixed support frame; 52, translation module; 521, second sliding table; 522, third guide rail; 523, moving support frame; 524, electric push cylinder; 53, bending die module; 531, release air cylinder; 532, fourth guide rail; 533, moving plate; 534, upper die; 535, lower die; 536, bending groove; 537, die mounting plate; 54, bending module; 541, linear sliding table; 542, L-shaped mounting plate; 543, bending motor; 544, speed reducer; 545, connecting plate; 546, bending rod; 6, slitting module; 61, cutting air cylinder; 62, cutter; 63, cutting groove; 7, cooling module; 71, cooling pipe; 72, cooling nozzle; 73, eddy current pipe. DETAILED DESCRIPTION

[0036] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0037] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.

[0038] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-5 A magnetic levitation pipe bending machine with good bending effect includes a pipe feeding assembly 1, a constant temperature heating mechanism 2, an insulation sleeve 3, a concentric material guiding mechanism 4, an adjustable bending mechanism 5, a slitting module 6, and a cooling module 7.

[0039] The pipe feeding assembly 1, the constant temperature heating mechanism 2, and the adjustable bending mechanism 5 are arranged sequentially from right to left; the pipe feeding assembly 1 includes a feeding module 11, a feeding module 12, and a moving module 13, which are arranged sequentially from right to left. The moving module 13 is mounted on the feeding module 11, and a magnetic levitation material guiding support module 14 for supporting the pipe bending section is installed at the moving end of the moving module 13.

[0040] An insulating sleeve 3 with built-in insulating heating wire is fixedly installed between the left side of the constant temperature heating mechanism 2 and the adjustable bending mechanism 5; a concentric material guiding mechanism 4 for assisting the conveying pipeline is installed inside the constant temperature heating mechanism 2 and the insulating sleeve 3; a cutting module 6 for cutting the pipeline is installed on the adjustable bending mechanism 5; and a cooling module 7 for accelerating the cooling of the bent pipeline is installed on the adjustable bending mechanism 5.

[0041] In the normal working of the pipe bending machine with good magnetic suspension bending effect in the embodiment, the pipe to be processed passes through the feeding module 11, the feeding module 12, the magnetic suspension material guiding support module 14 in turn, passes through the concentric material guiding mechanism 4 in the constant temperature heating mechanism 2 and the heat preservation sleeve 3, and the end of the pipe to be processed is located at the adjustable bending mechanism 5; when the bending process is performed, the pipe is moved to the left through the cooperation of the feeding module 12 and the adjustable bending mechanism 5; the pipe is heated at constant temperature through the constant temperature heating mechanism 2, which facilitates subsequent bending; after the pipe is heated, the pipe reaches the bending part after heat preservation through the heat preservation sleeve 3; in this process, the pipe is transferred and guided through the concentric material guiding mechanism 4 in the constant temperature heating mechanism 2 and the heat preservation sleeve 3, which avoids scratching of the pipe during the heating and transferring process, and the dust outside the pipe is cleaned through the setting of the concentric material guiding mechanism 4; after the pipe passes through the concentric material guiding mechanism 4, the pipe is bent through the adjustable bending mechanism 5, and after the bending is completed, the pipe is cooled through the cooling module 7 to accelerate the cooling of the pipe, so that the bent pipe is quickly shaped, the bending quality is guaranteed, and the bending efficiency is improved; at the same time, during the bending process, the pipe to be bent part is supported through the magnetic suspension material guiding support module 14 on the moving module 13, so that the pipe always maintains a circular shape at the bending part, avoiding deformation of the pipe during the bending process; thereby guaranteeing the bending quality; after the bending is completed, the magnetic suspension material guiding support module 14 can be moved to the right through the moving module 13, so that the magnetic suspension material guiding support module 14 is separated from the pipe after the bending is completed, and then the pipe is cut through the cutting module 6; after the cutting is completed, the pipe can be continuously conveyed to the left through the adjustable bending mechanism 5 and the feeding module 12, and at the same time, the magnetic suspension material guiding support module 14 is reset through the moving module 13, so that the magnetic suspension material guiding support module 14 moves to the bending position again with the pipe, and supports the bending part; thereby realizing continuous bending and cutting of the pipe.

[0042] In some embodiments, as shown in Figures 1-7 and Figure 12 as a preferred embodiment of the present application, the feeding module 11 comprises a feeding installation plate 111, a conveying assembly and a laser sensor 114, a group of conveying assemblies are respectively installed on the right side and the middle part of the feeding installation plate 111, the conveying assembly comprises a rotating plate 112 and a pressure roller 113, the rotating plate 112 is fixedly installed on the feeding installation plate 111, and the rotating plate 112 is inclinedly arranged; the pressure roller 113 is rotatably installed at both ends of the rotating plate 112; the laser sensor 114 for judging whether the pipe exists is fixedly installed on the feeding installation plate 111 between the two rotating plates 112;

[0043] The feeding module 12 comprises a mounting frame 121, an adjusting servo motor 122, a bidirectional threaded rod 123, a threaded sleeve, a moving table 125, a first guide rail 126, a synchronous belt 127 and a compression roller 128; the adjusting servo motor 122 is fixedly installed on the mounting frame 121, the output end of the adjusting servo motor 122 is fixedly connected with one end of the bidirectional threaded rod 123, and the other end of the bidirectional threaded rod 123 is rotatably installed on the mounting frame 121; the first guide rails 126 are fixedly installed on the mounting frame 121 in a symmetrical manner; the moving table 125 is limitingly and slidably connected with the two first guide rails 126, and two moving tables 125 are arranged; the middle part of the moving table 125 is fixedly installed with the threaded sleeve, and the threaded sleeve is threadedly connected with the two sides of the bidirectional threaded rod 123 respectively; the synchronous belt 127 driven by a motor and a synchronous pulley is installed on the moving table 125; a plurality of compression rollers 128 are rotatably installed on the moving table 125; the compression rollers 128 are drivingly connected with the synchronous belt 127 on the inner side of the synchronous belt 127; a pipeline passes through between the synchronous belts 127 on the two moving tables 125;

[0044] The moving module 13 comprises a mounting table 131, a second guide rail 132, a first sliding table 133, a reset air cylinder 134 and a compression sleeve 135, and the mounting table 131 is fixedly installed on the left side of the feeding mounting plate 111; the second guide rail 132 is fixedly installed on the mounting table 131, the first sliding table 133 is limitingly and slidably installed on the second guide rail 132, the reset air cylinder 134 is fixedly installed on the mounting table 131, and the output end of the reset air cylinder 134 is fixedly connected with the first sliding table 133; the compression sleeve 135 is fixedly installed on the upper side of the first sliding table 133 through screws;

[0045] The magnetic suspension material guiding support module 14 comprises a magnetic suspension sleeve 141, a core rod 142, a connecting steel bar 143 and a supporting spring 144, the magnetic suspension sleeve 141 is fixedly installed on the upper side of the first sliding table 133 through the compression sleeve 135, a pipeline passes through the middle part of the magnetic suspension sleeve 141, the core rod 142 is arranged in the pipeline in the magnetic suspension sleeve 141 and magnetically coupled with the magnetic suspension sleeve 141, the right end of the connecting steel bar 143 is fixedly connected with the core rod 142, and the left end of the connecting steel bar 143 is fixedly installed with the supporting spring 144; the supporting spring 144 is arranged in the pipeline at the adjusting type bending mechanism 5;

[0046] The constant temperature heating mechanism 2 comprises a heating bin 21 and constant temperature heating modules, a plurality of groups of constant temperature heating modules are uniformly and equidistantly arranged in the heating bin 21, the constant temperature heating modules comprise a heat supply module 22, a flow guide box 23, a circulating flow guide module 24 and a temperature sensor 25; the heat supply module 22 for heating is arranged on the lower side of the heating bin 21, the flow guide box 23 is fixedly arranged in the heating bin 21, the circulating flow guide module 24 for guiding the hot air is arranged in the flow guide box 23; the temperature sensor 25 for monitoring the temperature in the heating bin 21 is fixedly arranged on the lower side of the heating bin 21; the right end of the heat preservation sleeve 3 is fixedly connected with the left end of the heating bin 21;

[0047] The concentric material guiding mechanism 4 comprises a copper pipe 41, a micro-vibration concentric material guiding module 42 and an auxiliary clamping assembly 43, the copper pipe 41 is fixedly arranged in the heat preservation sleeve 3 and the heating bin 21; the micro-vibration concentric material guiding module 42 for assisting the pipe conveying is arranged in the copper pipe 41, the auxiliary clamping assembly 43 for clamping the pipe is arranged on the left end of the heat preservation sleeve 3;

[0048] The adjustable bending mechanism 5 comprises a rotating module 51, a translation module 52, a bending die module 53 and a bending module 54, the translation module 52 is arranged on the moving end of the rotating module 51, the bending die module 53 is arranged on the upper side of the moving end of the translation module 52; the bending module 54 for bending the pipe is arranged on the lower side of the moving end of the translation module 52;

[0049] The slitting module 6 comprises a cutting cylinder 61 and a cutting knife 62, the cutting cylinder 61 is fixedly arranged on the upper side of the moving end of the translation module 52, the cutting knife 62 for cutting the pipe is fixedly arranged on the output end of the cutting cylinder 61; the cutting groove 63 is arranged between the bending die module 53 and the translation module 52; the cutting knife 62 is limitedly slid in the cutting groove 63;

[0050] The cooling module 7 comprises a cooling pipe 71, a cooling nozzle 72 and an eddy current pipe 73, the cooling pipe 71 is fixedly arranged on the bending die module 53, the eddy current pipe 73 is fixedly arranged on the rotating module 51, one end of the cooling pipe 71 and the eddy current pipe 73 are communicated through a connecting pipe; the cooling nozzle 72 is fixedly arranged on the other end of the cooling pipe 71; the eddy current pipe 73 is communicated with the cooling pump for conveying the cold air outside through a connecting pipe.

[0051] In the embodiment, the pipe to be processed passes through the magnetic suspension sleeve 141 after passing the pressure roller 113 on the two rotating plates 112 in turn; the pipe is sleeved outside the core rod 142 in the magnetic suspension sleeve 141; the magnetic suspension sleeve 141 and the core rod 142 are coupled by magnetic force; and the end of the magnetic suspension sleeve 141 has a reverse resistance to avoid the core rod 142 from moving out of the magnetic suspension sleeve 141; so that the core rod 142 is kept inside the pipe to be processed and moves with the magnetic suspension sleeve 141; the supporting spring 144 is fixed with the core rod 142 through the connecting steel bar 143, and the supporting spring 144 is located at the end of the pipe to be processed and passes through the micro-vibration concentric material guiding module 42 in the copper pipe 41 and the auxiliary clamping assembly 43 at the left end of the heat preservation sleeve 3 in turn after the pipe to be processed passes through between the two synchronous belts 127;

[0052] The servo motor 122 drives the bidirectional threaded rod 123 to rotate, so as to drive the two moving tables 125 to move through the two threaded sleeves, and the two moving tables 125 move close to or away from each other under the limiting action of the first guide rail 126, so as to drive the two synchronous belts 127 to move close to or away from each other, so that the device is suitable for pipes of various sizes; when conveying the pipe, the synchronous belt 127 drives the pipe to move through friction; after the pipe is clamped by the auxiliary clamping assembly 43, the translation module 52 and the synchronous belt 127 are started at the same time; the pipe is conveyed to the left through the synchronous belt 127, and the pipe is pulled to move through the translation module 52, and then the translation module 52 is reset, so that the pipe area to be bent is located at the bending die module 53; at this time, the supporting spring 144 is located in the pipe at the bending die module 53, so as to support the inner pipe and avoid deformation of the pipe during bending; in the heating bin 21, the temperature in the heating bin 21 is monitored by the temperature sensor 25, the heat supply module 22 is started to make the hot air uniformly dispersed in the heating bin 21 through the cooperation of the flow guide box 23 and the circulating flow guide module 24, so as to heat the pipe in the copper pipe 41 and the micro-vibration concentric material guiding module 42 through the heated air and the copper pipe 41; after the pipe is heated and leaves the heating bin 21, the temperature is kept through the heat preservation sleeve 3, so as to facilitate subsequent pipe bending;

[0053] During pipe bending, the auxiliary clamping component 43 keeps the pipe clamped, preventing it from rotating with the rotating module 51 and ensuring bending accuracy. Then, the rotating module 51 drives the translation module 52 to rotate, which in turn drives the bending die module 53 and bending module 54 on the translation module 52 to rotate, moving them to the required bending angle. Then, the bending module 54 is activated to work with the bending die module 53 to bend the pipe. After the entire bending process, cold air is sprayed onto the bent pipe through the cooling pipe 71, vortex pipe 73, and cooling nozzle 72 to accelerate cooling and shaping. After one bending cycle, the reset cylinder... 134 drives the first slide 133 to move to the right under the limiting action of the second guide rail 132, thereby driving the magnetic levitation sleeve 141 to move to the right through the first slide 133 and the pressure sleeve 135. The magnetic levitation sleeve 141 drives the mandrel 142 to move to the right, thereby driving the support spring 144 to move to the right through the connecting steel bar 143, so that the support spring 144 located at the bending position moves to the right to the bending position. Then this operation is repeated until the bending is completed, so that the support spring 144 moves to the bending position, and the pipe to be bent is clamped by the auxiliary clamping assembly 43. The cutting cylinder 61 is started to drive the cutter 62 to cut the bent pipe.

[0054] Example 3: In some embodiments, such as Figures 1-14 As shown, in a preferred embodiment of the present invention, the heat delivery module 22 includes a drive motor 221, a vortex impeller 222, and a heating wire 223. The drive motor 221 is fixedly installed on the lower side of the heating chamber 21, and the output end of the drive motor 221 passes through the bottom of the heating chamber 21 and is fixedly connected to the vortex impeller 222 inside the heating chamber 21. The heating wire 223 is fixedly installed inside the heating chamber 21.

[0055] The flow guide box 23 includes a top plate 235 and a box body 236. The box body 236 is fixedly installed inside the heating chamber 21. A flow guide chamber 231 is provided at the bottom of the box body 236, and a top plate 235 is fixedly installed at the top of the box body 236. A return chamber 232 is formed between the top of the box body 236 and the top plate 235. Circulation channels 233 for connecting the flow guide chamber 231 and the return chamber 232 are symmetrically arranged on both sides of the box body 236. The return channels 233 are designed to be narrower at the top and wider at the bottom. A hollow groove 234 for accommodating the heating wire 223 is provided in the middle of the box body 236. A vortex impeller 222 is located inside the flow guide chamber 231. The middle of the vortex impeller 222 is aligned with the heating wire 223 located in the hollow groove 234.

[0056] The circulating flow guide module 24 comprises a lower flow guide plate 241, an upper flow guide box 242 and a backflow baffle 245, the lower flow guide plate 241 is symmetrically and fixedly installed in the box body 236; a plurality of upper flow guide boxes 242 are fixedly and uniformly installed in the backflow bin 232 at equal intervals; the lower flow guide plate 241 is arranged in a Z shape, and the upper flow guide box 242 is arranged in a diamond shape; the lower flow guide plate 241 is located on both sides of the vortex impeller 222, and the upper end opening of the upper flow guide box 242 is aligned with the heating wire 223; a plurality of flow guide holes 243 are uniformly and equally arranged on the top plate 235 at equal intervals; the upper end opening of the upper flow guide box 242 is aligned with the flow guide hole 243; a plurality of backflow holes 244 are uniformly and equally arranged on the top plate 235 at equal intervals; the backflow hole 244 is aligned with the backflow bin 232; the backflow baffle 245 is symmetrically and fixedly installed in the backflow bin 232;

[0057] The copper pipe 41 is composed of a heating section 411 and a heat preservation section 412, the heating section 411 is located in the heating bin 21, and the heat preservation section 412 is located in the heat preservation sleeve 3; a plurality of heating round holes are uniformly and equally arranged on the copper pipe 41 at equal intervals;

[0058] The micro-vibration concentric material guiding module 42 comprises a first feeding guide sleeve 421, a material guiding spring 422 and an inner lining ring 423, the first feeding guide sleeve 421 is fixedly installed at the right middle part of the heating bin 21, and the first feeding guide sleeve 421 is aligned with the end of the copper pipe 41; the inner lining ring 423 is fixedly and uniformly installed on the material guiding spring 422 at equal intervals; the outer diameter of the inner lining ring 423 is the same as the inner diameter of the copper pipe 41; the material guiding spring 422 and the inner lining ring 423 are located in the copper pipe 41; the pipeline passes through the first feeding guide sleeve 421 and the middle part of the material guiding spring 422 in sequence;

[0059] The auxiliary clamping assembly 43 comprises a fixed plate 431, a lower guide sleeve 433, an auxiliary clamping cylinder 434 and an upper guide sleeve 435, the fixed plate 431 is fixedly installed at the left end of the heat preservation sleeve 3; a fixed guide hole is arranged in the middle part of the fixed plate 431; the fixed guide hole is aligned with the material guiding spring 422; the lower guide sleeve 433 is fixedly installed on the lower side of the fixed plate 431, the auxiliary clamping cylinder 434 is fixedly installed on the upper side of the fixed plate 431, and the output end of the auxiliary clamping cylinder 434 is fixedly installed with the upper guide sleeve 435; the upper guide sleeve 435 and the lower guide sleeve 433 clamp the pipeline in cooperation;

[0060] The rotating module 51 comprises a fixing frame 511, a rotating motor 512, a first gear 513, a second gear 514, a rotating disc 515 and a fixed support frame 516, the fixing frame 511 is fixedly connected with the middle part of the heat preservation sleeve 3; the rotating motor 512 is fixedly installed on the fixing frame 511, and the output end of the rotating motor 512 is fixedly installed with the first gear 513; the second gear 514 is rotatably installed on the fixing frame 511, and the first gear 513 is in meshing connection with the second gear 514; the second gear 514 is fixedly connected with the rotating disc 515; the fixed support frame 516 is fixedly installed on the left side of the rotating disc 515; the heat preservation sleeve 3 is fixedly installed on the fixing frame 511;

[0061] The translation module 52 comprises a second sliding table 521, a third guide rail 522, a moving support frame 523 and an electric push cylinder 524, the upper sides of the fixed support frame 516 are respectively fixedly installed with the second sliding table 521, the upper and lower sides of the moving support frame 523 are respectively fixedly installed with the third guide rail 522, and the second sliding table 521 is in limiting sliding connection with the third guide rail 522; the electric push cylinder 524 is fixedly installed on the moving support frame 523, and the output end of the electric push cylinder 524 is fixedly connected with the rotating disc 515;

[0062] The bending die module 53 comprises a release air cylinder 531, a fourth guide rail 532, a moving plate 533, an upper die 534, a lower die 535 and a die mounting plate 537, the die mounting plate 537 is fixedly installed on the moving support frame 523; the release air cylinder 531 is fixedly installed on the die mounting plate 537, the die mounting plate 537 is symmetrically fixedly installed with the fourth guide rail 532 on both sides, and the moving plate 533 is in limiting sliding connection with the two fourth guide rails 532; the moving plate 533 is provided with two, and the two output ends of the release air cylinder 531 are respectively fixedly connected with one moving plate 533; the upper die 534 is fixedly installed on the upper moving plate 533, and the lower die 535 is fixedly installed on the lower moving plate 533; the upper die 534 and the lower die 535 form a bending groove 536 for pipe forming between them;

[0063] The bending module 54 comprises a linear sliding table 541, an L-shaped mounting plate 542, a bending motor 543, a speed reducer 544, a connecting plate 545 and a bending rod 546, the linear sliding table 541 is fixedly installed on the lower side of the moving support frame 523; the moving end of the linear sliding table 541 is fixedly installed with the L-shaped mounting plate 542, the L-shaped mounting plate 542 is fixedly installed with the bending motor 543, the power output end of the bending motor 543 is fixedly connected with the power input end of the speed reducer 544, the power output end of the speed reducer 544 is fixedly installed with the connecting plate 545, and the connecting plate 545 is fixedly installed with the bending rod 546; the upper side of the bending rod 546 is provided with a conforming groove matched with the bending groove 536 to jointly bend the pipeline; the second feeding guide sleeve is fixedly installed on the moving support frame 523;

[0064] The mold mounting plate 537 is provided with a through hole, which is aligned with the middle part of the second feeding guide sleeve; the cutting cylinder 61 is fixedly installed on the upper side of the moving end of the moving support frame 523, and the upper die 534 and the mold mounting plate 537 constitute a cutting groove 63.

[0065] The cooling pipe 71 is fixedly installed on the mold mounting plate 537, and the vortex pipe 73 is fixedly installed on the moving support frame 523.

[0066] In the embodiment, after the pipe to be processed passes between the two synchronous belts 127, it passes between the middle part of the guide spring 422 in the copper pipe 41 and the fixed guide hole at the left end of the heat preservation sleeve 3, and between the lower guide sleeve 433 and the lower die 535; the auxiliary clamping cylinder 434 drives the lower die 535 to move vertically, and the pipe is clamped by the cooperation of the lower guide sleeve 433 and the upper guide sleeve 435.

[0067] In the heating bin 21, the temperature in the heating bin 21 is monitored by the temperature sensor 25, the driving motor 221 and the heating wire 223 are started, the heating wire 223 is heated, and the driving motor 221 drives the vortex impeller 222 to rotate; the heat delivery module 22 drives the air in the flow guide bin 231 to move to the middle part of the vortex impeller 222 through the cooperation of the lower flow guide plate 241, and then moves upward from the middle part of the vortex impeller 222, in the process, the heat of the heating wire 223 in the hollow groove 234 is taken away; the heated air flows out from the flow guide hole 243 after being guided by the upper flow guide box 242, and then passes through the heating hole to exchange heat with the pipe, and heats the pipe; then the air flows into the backflow bin 232 through the backflow hole 244, and then returns to the flow guide bin 231 through the backflow baffle 245 and the backflow channel 233, so as to realize the uniform and rapid dispersion of the air flow, make the temperature in the heating bin 21 more balanced, so that the temperature measured by the temperature sensor 25 is basically consistent with the temperature in the copper pipe 41, facilitate temperature control, so as to ensure the temperature balance of the heated pipe, and then improve the processing quality; the pipe heated is preserved by the heat preservation sleeve 3, so that the bend maintains a proper temperature before processing;

[0068] The electric push cylinder 524 and the synchronous belt 127 are started; the pipeline is conveyed to the left through the synchronous belt 127, and meanwhile the electric push cylinder 524 drives the moving support frame 523 to move horizontally under the cooperation of the second sliding table 521 and the third guide rail 522, the moving support frame 523 drives the fixed plate 431, the lower guide sleeve 433, the auxiliary clamping air cylinder 434 and the upper guide sleeve 435 to move horizontally, so as to jointly drive the pipeline to move to the left under the cooperation of the synchronous belt 127; in this process, the outer diameter of the inner liner sleeve 423 is consistent with the inner diameter of the copper pipe 41, the inner diameter of the guide spring 422 is changed by replacing or changing the extension amount of the guide spring 422, so that the inner diameter of the guide spring 422 is adapted to pipelines of different sizes; meanwhile, the center of the guide spring 422 is always consistent with the center of the copper pipe 41 through the inner liner sleeve 423 outside the guide spring 422; so that the pipeline is kept concentric with the copper pipe 41 through the cooperation of the guide spring 422 and the inner liner sleeve 423; and in the process of moving the pipeline to the left, the guide spring 422 is driven to generate a small amount of vibration, so as to clean the dust outside the pipeline; the dust moves to the outside of the copper pipe 41 through the guide spring 422, the inner liner sleeve 423 and the heating round hole, avoiding the accumulation of dust in the copper pipe 41;

[0069] Then the auxiliary clamping air cylinder 434 drives the lower die 535 to move upwards, so that the moving plate 533 and the lower die 535 no longer clamp the pipeline; the electric push cylinder 524 drives the moving support frame 523 to reset, so that the pipeline to be bent moves to the left side of the upper die 534 and the lower die 535; then the auxiliary clamping air cylinder 434 is started again to clamp the pipeline through the upper guide sleeve 435 and the lower guide sleeve 433; at this time, the supporting spring 144 is located in the pipeline at the bending die module 53, realizing the support of the inner pipeline and avoiding the deformation of the pipeline in the pipe bending process;

[0070] When bending the pipe, the auxiliary clamping air cylinder 434 drives the upper guide sleeve 435 to clamp the pipeline in cooperation with the lower guide sleeve 433, avoiding the rotation of the pipeline with the rotating disc 515, and ensuring the bending precision;

[0071] The rotating motor 512 drives the second gear 514 to rotate through the first gear 513, the second gear 514 drives the rotating disc 515 and the fixed support frame 516 to rotate, so as to drive the moving support frame 523 to rotate through the second sliding table 521 and the third guide rail 522; the upper die 534, the lower die 535 and the bending rod 546 for bending on the moving support frame 523 are moved to the angle to be bent of the pipeline;

[0072] The bending motor 543 drives the connecting plate 545 to rotate through the speed reducer 544, the connecting plate 545 drives the bending rod 546 to rotate, the pipe is bent through the cooperation of the bending rod 546 and the bending groove 536 between the upper die 534 and the lower die 535, and the pipe is bent; in this process, the pipe is supported to avoid deformation through the supporting spring 144; after the whole bending process, the cold air is sprayed on the bent pipe through the cooling pipe 71, the eddy current pipe 73 and the cooling nozzle 72 to accelerate the cooling and setting of the pipe;

[0073] After the setting is completed, the release cylinder 531 drives the two moving plates 533 to move vertically under the guidance of the fourth guide rail 532, so as to drive the upper die 534 and the lower die 535 to move in opposite directions, so that the upper die 534 and the lower die 535 are separated from the pipe which is set and completed, and the bent pipe is moved;

[0074] After the pipe is bent once, the reset cylinder 134 drives the first sliding table 133 to move to the right under the limiting action of the second guide rail 132, so as to drive the magnetic suspension sleeve 141 to move to the right through the first sliding table 133 and the pressing sleeve 135, the magnetic suspension sleeve 141 drives the core rod 142 to move to the right, so as to drive the supporting spring 144 to move to the right through the connecting steel bar 143, so that the supporting spring 144 at the bending position moves to the right to the bending position; repeat the operation until the bending is completed; then the supporting spring 144 is moved to the bending position, the pipe to be bent is clamped through the upper guide sleeve 435 and the lower guide sleeve 433, the cutting cylinder 61 is started to drive the cutter 62 to cut the bent pipe.

[0075] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A heating assembly for constant temperature, comprising a constant temperature heating mechanism (2), a heat preservation sleeve (3) and a concentric material guiding mechanism (4), characterized in that: the constant temperature heating mechanism (2) comprises a heating bin (21) and constant temperature heating modules, a plurality of constant temperature heating modules are uniformly and equidistantly arranged in the heating bin (21), the constant temperature heating module comprises a heat supply module (22), a flow guiding box (23) and a temperature sensor (25); the heat supply module (22) for heating is arranged on the lower side of the heating bin (21), the flow guiding box (23) is fixedly arranged in the heating bin (21), and the temperature sensor (25) for monitoring the temperature in the heating bin (21) is fixedly arranged on the lower side of the heating bin (21); the right end of the heat preservation sleeve (3) is fixedly connected with the left end of the heating bin (21); the concentric material guiding mechanism (4) is arranged in the middle part of the heat preservation sleeve (3) and the heating bin (21).

2. The heating assembly for thermostatic benefit of claim 1, wherein, The constant temperature heating mechanism (2) further comprises a circulating flow guiding module (24), and the circulating flow guiding module (24) for guiding the hot air is arranged in the flow guiding box (23).

3. The heating assembly for thermostatic benefit of claim 1, wherein, The heat supply module (22) comprises a driving motor (221), an eddy current impeller (222) and a heating wire (223), the driving motor (221) is fixedly arranged on the lower side of the heating bin (21), the output end of the driving motor (221) penetrates into the heating bin (21) from the bottom of the heating bin (21) and is fixedly connected with the eddy current impeller (222), and the heating wire (223) is fixedly arranged in the heating bin (21).

4. The heating assembly for thermostatic benefit of claim 2, wherein, The flow guiding box (23) comprises a top plate (235) and a box body (236), the box body (236) is fixedly arranged in the heating bin (21), the box body (236) is provided with a flow guiding bin (231) at the bottom, and the top plate (235) is fixedly arranged at the top of the box body (236); the top of the box body (236) and the top plate (235) form a backflow bin (232); the backflow channel (233) for connecting the flow guiding bin (231) and the backflow bin (232) is symmetrically arranged on the two sides of the box body (236); and the backflow channel (233) is arranged in a structure that is narrow at the top and wide at the bottom.

5. The heating assembly for thermostatic benefit of claim 4, wherein, A hollow slot (234) for accommodating the heating wire (223) is arranged in the middle part of the box body (236); the eddy current impeller (222) is located in the flow guiding bin (231); and the middle part of the eddy current impeller (222) is aligned with the heating wire (223) located in the hollow slot (234).

6. The heating assembly for thermostatic benefit of claim 5, wherein, The circulating flow guiding module (24) comprises a lower flow guiding plate (241), an upper flow guiding box (242) and a backflow baffle (245), the lower flow guiding plate (241) is fixedly arranged in the box body (236) in a symmetrical manner; a plurality of upper flow guiding boxes (242) are fixedly arranged in the backflow bin (232) of the box body (236) in a uniform and equidistant manner; the lower flow guiding plate (241) is located on the two sides of the eddy current impeller (222), the lower end of the upper flow guiding box (242) is aligned with the heating wire (223), and the backflow baffle (245) is fixedly arranged in the backflow bin (232) in a symmetrical manner.

7. The heating assembly for thermostatic benefit of claim 6, wherein, The top plate (235) is uniformly and equidistantly provided with flow guide holes (243); the upper end of the flow guide box (242) is aligned with the flow guide holes (243); the top plate (235) is uniformly and equidistantly provided with backflow holes (244); and the backflow holes (244) are aligned with the backflow bin (232).

8. The heating assembly for thermostatic benefit of claim 7, wherein, The lower flow guide plate (241) is arranged in a Z shape, and the upper flow guide box (242) is arranged in a diamond shape.

Citation Information

Patent Citations

  • Pipeline heating device

    CN114738586A