CN213891250U

CN213891250U - Heating system of pipe flaring machine

Info

Publication number: CN213891250U
Application number: CN202022898400.2U
Authority: CN
Inventors: 张贤利
Original assignee: Tangshan Kangyu Water Saving Technology Co ltd
Current assignee: Tangshan Kangyu Water Saving Technology Co ltd
Priority date: 2020-12-05
Filing date: 2020-12-05
Publication date: 2021-08-06
Anticipated expiration: 2030-12-05

Abstract

The utility model relates to a heating system of tubular product flaring machine belongs to the field of tubular product processing, including the heating cabinet, the heating cabinet is inside hollow cylindricly, and heating cabinet one end is for entering the mouth, keeps away from in the heating cabinet to be provided with the heating core on the one end terminal surface of entry, and in the pipeline inserted the heating cabinet, in the heating core inserts the pipeline, the heating core is close to the one end of entering the mouth and is fixed with interior sideboard, and pipeline inner wall is pressed close to at interior sideboard edge. This application has the heat that reduces to scatter into the pipeline that is arranged in outside the heating jacket, makes pipeline end portion heating even, improves the effect of pipeline flaring quality.

Description

Heating system of pipe flaring machine

Technical Field

The application relates to the field of pipe machining, in particular to a heating system of a pipe flaring machine.

Background

In the manufacture of plastic pipes, in order to facilitate connection, the pipes need to be flared by a flaring machine. Before flaring the pipeline, the end part of the pipeline needs to be placed into a heating box to be heated and baked to be soft, the softened pipeline is easy to shape, and then the softened pipeline at the end part is sent into a flaring system to be flared and shaped.

The utility model discloses a have at present to authorize the chinese utility model patent that bulletin number is CN209350883U and disclose a pipe-expanding machine, including heating mechanism, be equipped with the heating jacket in the heating mechanism, the heating jacket is the hollow cylinder structure, is equipped with the cylinder heating core in the heating jacket, and in the pipeline inserted the heating jacket, the cylinder heating core stretched into inside the pipeline, heated the pipeline.

In view of the above-mentioned related art, the inventor believes that when the heating core is inserted into the inside of the pipe, the heat of the heating core may be dissipated to the inside of the pipe outside the heating box sleeve, and the portion not to be softened may be heated to be softened, which may cause the end of the pipe to be heated unevenly, and affect the flaring quality of the pipe.

SUMMERY OF THE UTILITY MODEL

In order to reduce the heat of scattering in the pipeline that is located outside the heating jacket, make pipeline tip heating even, improve pipeline flaring quality, this application provides a heating system of tubular product belling machine.

The application provides a heating system of tubular product flaring machine adopts following technical scheme:

the utility model provides a heating system of tubular product flaring machine, includes the heating cabinet, and the heating cabinet is inside hollow cylindrical, and heating cabinet one end is for entering the mouth, is provided with the heating core on keeping away from the one end terminal surface that enters the mouth in the heating cabinet, and in the pipeline inserted the heating cabinet, in the heating core inserts the pipeline, the one end that the heating core is close to the entry is fixed with interior sideboard, and pipeline inner wall is pressed close to at interior sideboard edge.

By adopting the technical scheme, after the pipeline is inserted into the heating box, the heating core is arranged in the pipeline, when the heating core heats the inside of the pipeline, the inner baffle plate stops hot air in the pipeline, the possibility that the hot air is dispersed into the pipeline outside the heating box is reduced, heat loss is reduced, the heating effect on the pipeline is improved, the end part of the pipeline is uniformly heated, and the flaring quality of the pipeline is improved.

Optionally, be located be fixed with a plurality of outer sideboard of doing on the inner wall of heating cabinet entrance, press close to between two adjacent outer sideboard and form the ring shape, outer sideboard is deformable and its edge is pressed close to the pipeline outer wall.

By adopting the technical scheme, when the heating box heats the outer wall of the pipeline, the outer baffle plate blocks hot air passing through the outside of the pipeline, the hot air is reduced to be diffused out of the heating box, the heating effect on the pipeline is improved, and the end part of the pipeline is uniformly heated. And when the pipeline enters the heating box, the pipeline may touch the outer baffle plate, and the outer baffle plate can deform and cannot impact the pipeline, so that the pipeline is more stable.

Optionally, the heating cabinet includes shell and inner shell, and the inner shell is fixed at the entrance with the shell, has the cavity between shell and the inner shell, is provided with a plurality of heating wire in the cavity, has seted up the first ventilation hole of a plurality of on the inner shell, and the interior sideboard is fixed on the inner shell, and the one end central authorities that the entry was kept away from to the shell are connected with into the tuber pipe, go into tuber pipe and cavity intercommunication, go into the tuber pipe and be connected with the fan.

Through adopting above-mentioned technical scheme, the fan is bloied in to going into the tuber pipe, and in wind entered into the cavity, the heating wire heating back, it is hot-blast to form, blows off in the hot-blast first ventilation hole to blow to on the outer wall of pipeline, make the pipeline outside be heated more evenly.

Optionally, the heating core is fixed in the center of the end face of the inner shell far away from the inlet, the heating core is hollow, a plurality of heating wires are arranged in the heating core, an opening is formed in one end, fixed to the inner shell, of the heating core, the inside of the heating core is communicated with the cavity, and a plurality of second ventilation holes are formed in the side wall of the heating core.

Through adopting above-mentioned technical scheme, inside wind entered into the heating core from the cavity, the heating wire forms hot-blastly after the heating, and hot-blastly discharges from the second venthole, and hot-blastly blows on the inner wall of pipeline, makes the pipeline inboard be heated more evenly.

Optionally, a plurality of supports are fixed on the inner wall of one end, close to the opening, of the heating core, and wind shields are fixed on the supports, located in the cavity and opposite to the air inlet pipe.

Through adopting above-mentioned technical scheme, when wind enters into the cavity from the income tuber pipe, at first by the deep bead dispersion around, prevent that wind from directly entering into the heating core inside from the income tuber pipe, make the hot-blast blowout in heating cabinet and the heating core.

Optionally, the wind deflector is provided with a plurality of through holes.

Through adopting above-mentioned technical scheme, when wind strikes on the deep bead, partly wind enters into in the heating core through the through-hole, perhaps gets into through the space between deep bead and the heating core, makes wind not directly enter into in the heating core, also guarantees simultaneously that wind smoothly flows.

Optionally, the center of the wind-proof plate protrudes towards the direction close to the air inlet pipe.

Through adopting above-mentioned technical scheme, wind scatters along the slope on windproof plate surface, and the resistance of wind is littleer, and wind flows more smoothly, makes the effect that wind scatters better.

Optionally, the frame is provided with two parallel commentaries on classics rollers of axis, and the axis of changeing the roller is parallel with the pipeline axis, and one of them commentaries on classics roller end connection has the motor, and the frame top is fixed with the grudging post, is fixed with the second cylinder on the grudging post, and the output of second cylinder is fixed with the wheel carrier, rotates on the wheel carrier and is connected with two pinch rollers.

Through adopting above-mentioned technical scheme, when the pipeline was placed on changeing the roller, the output extension of second cylinder, the pinch roller pressed on the pipeline, and one of them commentaries on classics roller of motor drive rotates to under the spacing of pinch roller, changeing the roller and driving the pipeline rotation, therefore pipeline tip when the heating cabinet internal heating, the pipeline motion makes it be heated evenly.

Optionally, a slide rail is arranged on the rack, the extending direction of the slide rail is the same as the axial direction of the pipeline, a plurality of slide blocks are fixed at the bottom of the heating box and are in sliding connection with the slide rail, a first cylinder with a horizontal output end is fixed on the rack, and the output end of the first cylinder is fixed on the outer end face, far away from the inlet, of the heating box.

Through adopting above-mentioned technical scheme, when the pipeline was placed on changeing the roller, the output extension of first cylinder made the heating cabinet along being close to pipeline end, and the slider slides along the slide rail, made the heating cabinet slip more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the heating core heats the interior of the pipeline, the inner baffle plate blocks hot gas in the pipeline, the possibility that the hot gas is dispersed into the pipeline outside the heating box is reduced, heat loss is reduced, the heating effect on the pipeline is improved, the end part of the pipeline is uniformly heated, and the flaring quality of the pipeline is improved;

2. the outer baffle plate blocks hot air passing outside the pipeline, the hot air is reduced to be scattered out of the heating box, the heating effect on the pipeline is improved, the end part of the pipeline is uniformly heated, and the outer baffle plate cannot impact the pipeline, so that the pipeline is more stable;

3. when the air enters the cavity from the air inlet pipe, the air is firstly dispersed around by the wind shields, so that the air is prevented from directly entering the heating core from the air inlet pipe, and the hot air in the heating box and the heating core is uniformly sprayed out.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a schematic view of the construction of the turning gear of the present application;

FIG. 4 is a sectional view showing the internal structure of the heating tank of the present application;

fig. 5 is a schematic view showing the flow direction of the air flow inside the heating box in the present application.

Description of reference numerals: 1. a frame; 11. a slide rail; 12. a slider; 13. a first cylinder; 14. erecting a frame; 2. a rotating device; 21. rotating the roller; 211. a drive roll; 22. a chain; 23. a motor; 24. a second cylinder; 25. a wheel carrier; 26. a pinch roller; 3. a heating box; 31. an inlet; 32. a housing; 33. an inner shell; 331. a first vent hole; 332. an outer fence; 34. a cavity; 35. an electric heating wire; 36. heating the core; 361. a second vent hole; 362. an inner fence; 37. a support; 38. a wind deflector; 381. a through hole; 4. and (6) an air inlet pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a heating system of a pipe flaring machine. Referring to fig. 1 and 2, the heating system is arranged on the frame 1, the heating system comprises a heating box 3 arranged on the frame 1, the heating box 3 is of a hollow cylindrical structure, an inlet 31 is formed in one side of the heating box 3, a rotating device 2 is arranged at one end, close to the inlet 31 of the heating box 3, of the frame 1, the pipeline is arranged on the rotating device 2, and when the end portion of the pipeline is inserted into the heating box 3 to be heated, the rotating device 2 drives the pipeline to rotate, so that the pipeline is heated more uniformly.

Referring to fig. 1 and 3, the rotating device 2 includes two rollers 21 juxtaposed on the frame 1, the rollers 21 having the same axial direction as the pipe at the center of the rollers 21. One of them changes roller 21 and is drive roll 211, and drive roll 211 end connection has chain 22, and chain 22 drives the transmission through setting up motor 23 on frame 1, and chain 22 drives drive roll 211 and rotates.

A vertical frame 14 is fixed above the frame 1, a second cylinder 24 is arranged on the vertical frame 14 at a position opposite to the rotating roller 21, a wheel frame 25 is fixed at the output end of the second cylinder 24, two pressing wheels 26 are rotatably connected on the wheel frame 25, and the axial direction of the pressing wheels 26 is the same as the axial direction of the rotating roller 21. When the pipe is placed on the roller 21, the output end of the second cylinder 24 is extended and the pinch roller 26 presses on the pipe. Under the limit of the pinch roller 26, the drive roller 211 is tightly attached to the side wall of the pipeline, and drives the pipeline to rotate. Therefore, when the end of the pipeline is heated in the heating box 3, the pipeline rotates continuously, and the heating is more uniform.

Referring to fig. 1 and 2, a slide rail 11 is arranged on the frame 1, a plurality of slide blocks 12 are fixed at the bottom end of the heating box 3, grooves are formed in the slide blocks 12, the slide rail 11 is clamped in the grooves, and the slide blocks 12 are slidably connected with the slide rail 11. The frame 1 is further provided with a first cylinder 13, an output end of the first cylinder 13 is fixed on an end face, far away from the opening, of the heating box 3, and when the output end of the first cylinder 13 stretches, the heating box 3 is pulled to slide along the slide rail 11. When the pipeline is placed on one side of the inlet 31 of the heating box 3, the output end of the first cylinder 13 extends to enable the heating box 3 to slide towards the direction close to the pipeline, and the heating box 3 is sleeved outside the pipeline to heat the pipeline; after heating is complete, the outlet of the first cylinder 13 is retracted, causing the heating chamber 3 to slide away from the pipe, which leaves the heating chamber 3.

Referring to fig. 1 and 4, the heating box 3 includes an outer shell 32 and an inner shell 33, the ends of the outer and

inner shells

32 and 33 at the inlet 31 are fixed together, and a cavity 34 is formed between the outer and

inner shells

32 and 33. A plurality of heating wires 35 are fixed on the outer shell 32 in the cavity 34, a plurality of first ventilation holes 331 are formed in the inner shell 33, an air inlet pipe 4 is connected to the center of the end face of one end, far away from the inlet 31, of the outer shell 32, the air inlet pipe 4 is connected with a fan (not shown in the figure), and the air inlet pipe 4 is communicated with the inside of the cavity 34. The air inlet duct 4 blows air into the cavity 34, the heating wire 35 heats the air, and the formed hot air is blown out from the first vent hole 331. When the duct is positioned in the heating box 3, the hot air blown out from the first vent holes 331 is blown to the outer wall of the duct.

The heating box 3 further comprises a heating core 36, the heating core 36 is fixed on the inner shell 33, the heating core 36 is a circular hollow shell, an opening is formed in one end, fixed with the inner shell 33, of the heating core 36, and the interior of the heating core 36 is communicated with the interior of the cavity 34 through the opening. The heating core 36 is also provided with the heating wire 35 inside, and the side wall of the heating core 36 is provided with a second vent hole 361, after the air enters the heating core 36, the air is heated and blown into the pipeline from the second vent hole 361, and the inner wall of the end part of the pipeline is heated, so that the inner side and the outer side of the pipeline are heated by hot air, and the pipeline is heated uniformly.

Referring to fig. 4 and 5, a circular inner baffle 362 is fixed to an end surface of the heater core 36 adjacent to the inlet 31, and when the conduit is positioned outside the heater core 36, the inner baffle 362 is positioned inside the conduit and an edge of the inner baffle 362 is adjacent to a side wall of the conduit. When hot air is blown out of the second ventilation holes 361, most of the hot air is blocked in the heating box 3 by the inner baffle 362, the hot air flows in the heating box 3, heat loss is reduced, the heating effect of the pipeline is better, and the pipeline positioned outside the heating box 3 cannot be softened by heating.

A plurality of outer baffles 332 are fixed to the end of the inner shell 33 adjacent the inlet 31, the plane of the outer baffles 332 is perpendicular to the axis of the pipeline, the edges of two adjacent outer baffles 332 are adjacent, the outer baffles 332 are made of heat-resistant rubber, and the outer baffles 332 are deformable. When the heating cabinet 3 is close to the duct, the end of the duct is inserted into the heating cabinet 3, and the duct may touch the outer barrier 332, thereby pushing the outer barrier 332 into the heating cabinet 3. After the hot air in the first ventilation holes 331 blows to the outer wall of the pipeline, the outer baffle plate 332 intercepts the hot air, most of the hot air is stopped in the heating box 3 by the outer baffle plate 332, the hot air flows in the heating box 3, heat loss is reduced, the heating effect of the pipeline is better, and the pipeline positioned outside the heating box 3 cannot be softened by heating.

A support 37 is fixed on the inner wall of one end of the heating core 36 close to the opening, the support 37 extends into the cavity 34, a wind shield 38 is fixed on the support 37, the center of the wind shield 38 protrudes towards the direction close to the air inlet pipe 4, a plurality of through holes 381 are formed in the wind shield 38, a gap is formed between the edge of the wind shield 38 and the inner shell 33, namely, the wind shield 38 is suspended at the end part of the heating core 36, and the wind shield 38 faces the air inlet pipe 4. When the air enters the cavity 34 from the air inlet pipe 4, since the air inlet pipe 4 faces the heating core 36, if the air blocking plate 38 is not provided, most of the air is easy to directly enter the heating core 36, which may cause the hot air blown out of the second ventilation holes 361 to be faster than the hot air blown out of the second ventilation holes 361, and the pipeline is heated unevenly. When the wind shield 38 is arranged at the opening of the heating core 36, wind is firstly dispersed into the cavity 34 by the wind shield, a part of wind enters the heating core 36 through the through hole 381 or a gap between the wind shield 38 and the heating core 36, and the rest of wind gradually fills the heating box 3, so that the hot wind is blown out more uniformly, and the pipeline quality is improved.

The implementation principle of the heating system of the pipe flaring machine in the embodiment of the application is as follows: after the pipeline is placed on the two rollers 21, the second cylinder 24 pushes the pressing wheel 26 to press on the pipeline, the first cylinder 13 drives the heating box 3 to move towards the direction close to the end of the pipeline, and the heating box 3 slides along the slide rail 11.

The pipeline enters the heating box 3, the heating core 36 is inserted into the pipeline, the fan is started, the air enters the cavity 34 from the air inlet pipe 4, the air is firstly intercepted by the wind shield 38 and then dispersed to flow into the cavity 34 and the heating core 36, the heating wire 35 is used for heating, the formed hot air is respectively blown out from the first ventilation hole 331 and the second ventilation hole 361, and the inside and the outside of the pipeline are both heated.

Meanwhile, the motor 23 drives the chain 22 to transmit, the chain 22 drives the driving roller 211 to rotate, and the rotating roller 21 drives the pipeline to rotate.

After the heating is finished, the fan stops, the output end of the first cylinder 13 retracts, the heating box 3 slides out of the outer side of the end part of the pipeline, then the output end of the second cylinder 24 retracts, and the pipeline is conveyed to a flaring system to be processed next step.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a heating system of tubular product flaring machine, includes heating cabinet (3), and heating cabinet (3) are inside hollow cylindrical, and heating cabinet (3) one end is for entering mouth (31), is provided with heating core (36) on keeping away from the one end terminal surface that enters mouth (31) in heating cabinet (3), and in pipeline insertion heating cabinet (3), heating core (36) inserted the pipeline, its characterized in that: an inner baffle plate (362) is fixed at one end of the heating core (36) close to the inlet (31), and the edge of the inner baffle plate (362) is close to the inner wall of the pipeline.

2. The heating system of a pipe flaring machine of claim 1, wherein: a plurality of outer baffles (332) are fixed on the inner wall of the inlet (31), two adjacent outer baffles (332) are close to each other to form a circular ring shape, and the outer baffles (332) are deformable and have edges close to the outer wall of the pipeline.

3. The heating system of a pipe flaring machine of claim 1, wherein: the heating cabinet (3) comprises an outer shell (32) and an inner shell (33), the inner shell (33) is fixed with the outer shell (32) at an inlet (31), a cavity (34) is formed between the outer shell (32) and the inner shell (33), a plurality of electric heating wires (35) are arranged in the cavity (34), a plurality of first ventilation holes (331) are formed in the inner shell (33), an inner baffle plate (362) is fixed on the inner shell (33), one end center of the outer shell (32), which is far away from the inlet (31), is connected with an air inlet pipe (4), the air inlet pipe (4) is communicated with the cavity (34), and the air inlet pipe (4) is connected with a fan.

4. The heating system of a pipe flaring machine of claim 3, wherein: the heating core (36) is fixed in the end face center of the end far away from the inlet (31) of the inner shell (33), the heating core (36) is hollow, a plurality of heating wires (35) are arranged in the heating core (36), an opening is formed in the end where the heating core (36) is fixed with the inner shell (33), the heating core (36) is communicated with the cavity (34) in the inner part, and a plurality of second ventilation holes (361) are formed in the side wall of the heating core (36).

5. The heating system of a pipe flaring machine of claim 4, wherein: a plurality of supports (37) are fixed on the inner wall of one end, close to the opening, of the heating core (36), wind shields (38) are fixed on the supports (37), and the wind shields (38) are located in the cavity (34) and just face the air inlet pipe (4).

6. The heating system of a pipe flaring machine of claim 5, wherein: the wind shield (38) is provided with a plurality of through holes (381).

7. The heating system of a pipe flaring machine of claim 5 or 6, wherein: the center of the wind shield (38) protrudes towards the direction close to the air inlet pipe (4).

8. The heating system of a pipe flaring machine of claim 1, wherein: the rotary roller (21) with two parallel axes is arranged on the rack (1), the axes of the rotary roller (21) are parallel to the axis of the pipeline, one end of the rotary roller (21) is connected with a motor (23), a vertical frame (14) is fixed above the rack (1), a second cylinder (24) is fixed on the vertical frame (14), a wheel carrier (25) is fixed at the output end of the second cylinder (24), and two pinch rollers (26) are rotatably connected on the wheel carrier (25).

9. The heating system of a pipe flaring machine of claim 1, wherein: be provided with slide rail (11) on frame (1), the extending direction of slide rail (11) is the same with the pipeline axial, and heating cabinet (3) bottom is fixed with a plurality of sliders (12), and slider (12) and slide rail (11) sliding connection are fixed with output horizontally first cylinder (13) on frame (1), and the output of first cylinder (13) is fixed on heating cabinet (3) keep away from the outer terminal surface of entry (31) department.