CN211467454U - Heating structure for automatic heating forming equipment of nylon tube - Google Patents

Abstract

The utility model relates to a nylon pipe self-heating is heating structure for former relates to the fashioned technical field of nylon pipe, aims at solving the problem of how to guarantee the thermally equivalent of nylon pipe heating in-process and reduce the deformation of nylon pipe. It includes the oven and the air heater with the inner chamber intercommunication of oven, is equipped with the conveying pipe along its length direction in the oven, and conveying pipe fretwork sets up, and the nylon pipe passes the conveying pipe from the length direction of conveying pipe. The utility model discloses have when guaranteeing nylon tube thermally equivalent in transmission course, reduce the effect of the deformation of nylon tube.

Description

Heating structure for automatic heating forming equipment of nylon tube

Technical Field

The utility model belongs to the technical field of the fashioned technique of nylon tube and specifically relates to a nylon tube self-heating is heating structure for former.

Background

The nylon bending and shaping pipe in the prior art is generally formed by the steps of shaping firstly and heating secondly, namely, a metal mold with specific curvature is manufactured according to the shape of the nylon pipe to be shaped, then the nylon pipe which is not bent is placed into the mold, then the mold and the nylon pipe are heated together, finally the mold is cooled, and the nylon pipe after mold opening is formed into a specific shape.

For solving the above-mentioned problem, utility model No. CN107127959A discloses an automatic thermoforming equipment of shaping nylon tube, contain the blowing hanging wall, the feeding leading wheel, the feeding clamp assembly, the feeder assembly, the heating assembly, the Z axle motor, the bent wheel subassembly, the rocking arm, the pivot, including a motor, an end cap, a controller, and a cover plate, the blowing dish is established to the table right-hand member of frame, the feeder assembly is established to the left end of frame feeding clamp assembly, the heating assembly is established to feeder assembly left end, the Z axle motor is established to the heating assembly side, the runner is established to the spray tube joint cover of left end, runner and gear engagement for Z axle motor, the panel and the rocking arm of runner are connected, the ability pivoted bent wheel subassembly is established to spray tube joint left end face, the pivot lower extreme that establishes in the rocking arm is connected with the bent wheel.

Above-mentioned utility model directly saves mould processing, and production process is full automation, has solved the problem that production efficiency is low and the cost is extravagant. However, in the actual production process, how to realize constant temperature heating of the nylon tube and enable the nylon tube to be uniformly heated, and simultaneously reduce the deformation of the nylon tube is an important condition for ensuring the forming quality of the nylon tube.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a heating structure for automatic nylon tube heating and forming equipment, which has the advantages of reducing the deformation of nylon tube while ensuring the uniform heating in the transmission process of nylon tube.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a nylon tube self-heating is heating structure for former, including the oven and with the air heater of the inner chamber intercommunication of oven, be equipped with the conveying pipe along its length direction in the oven, conveying pipe fretwork sets up, and the nylon pipe is followed the length direction of conveying pipe passes the conveying pipe.

Through adopting above-mentioned technical scheme, the nylon pipe is when conveying the pipe conveying, because the hole of conveying the pipe is similar with the outer wall shape of nylon pipe, therefore, the outer wall of nylon pipe evenly receives the support of conveying the pipe, can not take place to warp easily and sink in the heating process, hot-blast entering oven that the air heater blew off simultaneously, not only can heat the whole environment in the oven, the conveying pipe that can also see through the fretwork simultaneously enters into conveying intraduct, hot-blast direct nylon pipe to the conveying in-process heats, the heating is quicker, the nylon pipe is heated also more evenly.

The present invention may be further configured in a preferred embodiment as: the conveying pipe is internally provided with a spiral supporting pipe which is made of steel bars and is in a spiral shape with uniform intercept.

Through adopting above-mentioned technical scheme, the spiral supporting tube carries out intensive support to the nylon tube in the whole data send process of nylon tube, simultaneously, because the space between the inside and outside footpath of spiral supporting tube is buckled by billet self and is formed, even consequently the oven internal gas pressure is great, the temperature is higher, the deformation of pipe diameter direction can not take place yet in the part of spiral supporting tube, it is more stable to support, simultaneously, area of contact between spiral supporting tube and the nylon tube is less, can not lead to the nylon tube surface to receive the condition emergence of frictional deformation, the quality of nylon tube in the heating process has been guaranteed.

The present invention may be further configured in a preferred embodiment as: the inner diameter of the spiral supporting pipe is 0.15-0.25mm larger than the outer diameter of the nylon pipe to be processed.

By adopting the technical scheme, the gap of 0.15-0.25mm is formed between the spiral supporting pipe and the nylon pipe, so that the nylon pipe can smoothly slide and transmit in the spiral supporting pipe, meanwhile, the nylon pipe has a smaller gap between the peripheral wall of the nylon pipe and the inner wall of the spiral supporting pipe in the conveying process, after the nylon pipe is heated and softened, the nylon pipe cannot deform due to local sinking because of the support of the spiral supporting pipe, the cylindricity is guaranteed, and the processed product has better quality.

The present invention may be further configured in a preferred embodiment as: the steel bars forming the spiral supporting tube are cylindrical steel bars.

Through adopting above-mentioned technical scheme, the surface of cylinder billet does not have sharp-pointed bead to at the in-process of spiral distortion, be line contact between the face that is used for constituting the hole of spiral support tube and the nylon pipe all the time, area of contact is invariable and less, simultaneously, and the support position evenly distributed has further guaranteed product quality.

The present invention may be further configured in a preferred embodiment as: the drying oven is provided with an air inlet and an air outlet, the air inlet is connected to the air outlet of the air heater through a pipeline, and the air outlet is connected to the air inlet of the air heater through a pipeline.

Through adopting above-mentioned technical scheme, realized hot-blast circulation, the hot-air that flows out in the follow oven itself has higher waste heat, and when the air heater was passed through, only need short time heating can supply the heat that the hot-air scatters and disappears in the oven for carry the hot-blast invariable and higher temperature in the oven from the air outlet of air heater once more, it is better to the heating effect of nylon tube.

The present invention may be further configured in a preferred embodiment as: follow in the oven and be on a parallel with the length direction of oven is equipped with first baffle, first baffle will the oven divide into first heating chamber and second heating chamber, the second is equipped with the second baffle in the heating chamber, the second baffle will the second heating chamber divide into third heating chamber and fourth heating chamber, first baffle both ends are equipped with the intercommunicating pore respectively, the air intake with the air outlet is located respectively the third heating chamber with the fourth heating chamber is close to second baffle one end.

Through adopting above-mentioned technical scheme, hot-blast from the air intake is sent into, in the intercommunicating pore of third heating chamber place side and entering into first heating intracavity, in the intercommunicating pore between first heating chamber and the fourth heating chamber enters into the fourth heating intracavity after first heating chamber, flow out through the air outlet at last, whole circulation route demonstrates T shape, the route that hot-blast flowed through is longer in the oven, the make full use of the energy has been reached, simultaneously, the distance between air intake and the air outlet is nearer, when guaranteeing that hot-blast each space of fully covered with the oven, make the intercommunication air intake, the length of the pipeline between air outlet and the air heater reduces, hot-blast thermal scattering and disappearing in transmission process has been reduced, and simultaneously, whole heating structure is compacter.

The present invention may be further configured in a preferred embodiment as: the conveying pipe is arranged in the first heating cavity.

Through adopting above-mentioned technical scheme, need not to run through the second baffle when the conveying pipe is established in first heating chamber for the installation of transmission pipe is more convenient, simultaneously, can not destroy the hot-blast flow direction in the oven.

The present invention may be further configured in a preferred embodiment as: the first partition plate is horizontally arranged, a supporting plate is arranged on the first partition plate, and the supporting plate is supported at the bottom of the conveying pipe at intervals.

Through adopting above-mentioned technical scheme, the backup pad spaced supports in conveying pipe below, prevents that the backup pad from using the middle part for a long time and taking place flagging under the great condition of length, and then has guaranteed the smooth transmission of nylon tube in the transmission pipe inside.

The present invention may be further configured in a preferred embodiment as: and a heat insulation cushion layer is arranged outside the oven.

By adopting the technical scheme, heat in the oven is further prevented from being dissipated, and a good heat preservation effect is achieved.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the hot air can heat the environment in the oven, and meanwhile, the hot air can enter the conveying pipe through the hollow conveying pipe, so that the nylon pipe in the conveying process is directly heated, the heating is quicker, and the nylon pipe is heated more uniformly;

2. the spiral supporting tube is arranged in the conveying tube, so that the contact area between the spiral supporting tube and the nylon tube is small, the surface of the nylon tube is not subjected to frictional deformation, and the quality of the nylon tube in the heating process is ensured;

3. realizes the recycling of hot air and saves energy.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the novel device.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure, 1, an oven; 11. a transfer tube; 12. a spiral support tube; 13. a first separator; 131. a communicating hole; 14. a second separator; 15. a first heating chamber; 16. a third heating cavity; 17. a fourth heating cavity; 18. an air inlet; 19. an air outlet; 2. a hot air blower; 3. a support plate; 4. a heat insulating cushion layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, fig. 2, a nylon tube self-heating is heating structure for former, including oven 1 and with air heater 2 of oven 1's inner chamber intercommunication, be equipped with conveying pipe 11 along its length direction in oven 1, 11 fretworks of conveying pipe set up, conveying pipe 11 endotheca is equipped with spiral support tube 12, spiral support tube 12 is made by the billet, and be the even heliciform of intercept, the billet of constituteing spiral support tube 12 is cylindrical billet, the internal diameter of spiral support tube 12 is greater than the nylon tube external diameter of treating processing 0.15-0.25mm, nylon tube passes conveying pipe 11 from conveying pipe 11's length direction. Cylindrical billet is at the in-process that the spiral distorts for the face that constitutes the hole of spiral support tube 12 all the time with nylon tube between be line contact, area of contact is invariable and less, simultaneously, support position evenly distributed can thermally equivalent when having guaranteed that nylon tube evenly receives the support. When the nylon tube passes through the middle of the spiral supporting tube 12, a gap of 0.15-0.25mm is formed between the outer diameter of the nylon tube and the inner diameter of the spiral supporting tube 12, so that smooth sliding and transmission of the nylon tube in the spiral supporting tube 12 are guaranteed, meanwhile, the nylon tube is enabled to be in a conveying process, a smaller gap is formed between the peripheral wall of the nylon tube and the inner wall of the spiral supporting tube 12, after the nylon tube is heated and softened, local sinking deformation cannot occur due to the support of the spiral supporting tube 12, the cylindricity is guaranteed, and the quality of a processed product is better.

Referring to fig. 1, since the hot air flowing out of the oven 1 has a high residual temperature, in order to realize the recycling of the hot air and achieve the purpose of saving energy, an air inlet 18 and an air outlet 19 are arranged on the oven 1, the air inlet 18 is connected to the air outlet 19 of the hot air blower 2 through a pipeline, and the air outlet 19 is connected to the air inlet 18 of the hot air blower 2 through a pipeline. When hot air passes through the hot air blower 2 again, heat dissipated in the oven 1 by hot air can be supplemented only by short-time heating, so that the hot air conveyed into the oven 1 from the air outlet 19 of the hot air blower 2 keeps constant and higher temperature again, and the heating effect on the nylon pipe is better.

Referring to fig. 1, in order to increase a transmission path of hot air in the oven 1 and ensure that heat in air entering the oven 1 is fully utilized, a first partition plate 13 is horizontally arranged in the oven 1 along a direction parallel to a length direction of the oven 1, the first partition plate 13 divides the oven 1 into a first heating cavity 15 above and a second heating cavity below, a second partition plate 14 is vertically arranged in the second heating cavity, the second heating cavity is divided into a third heating cavity 16 and a fourth heating cavity 17 by the second partition plate 14, communication holes 131 are respectively arranged at two ends of the first partition plate 13, and an air inlet 18 and an air outlet 19 are respectively arranged at one ends of the third heating cavity 16 and the fourth heating cavity 17 close to the second partition plate 14. Conveying pipe 11 sets up in first heating chamber 15, and first baffle 13 top is provided with a plurality of backup pads 3, and 3 spaced supports in conveying pipe 11's bottom in order to prevent backup pad 3 under the great condition of length, and the middle part takes place flagging after long-term the use, and then has guaranteed the smooth transmission of nylon pipe in transmission pipe inside.

The transmission path of the hot air in the oven 1 is as follows: hot air is fed from the air inlet 18, enters the first heating cavity 15 through the communicating hole 131 on the side of the third heating cavity 16, enters the fourth heating cavity 17 through the communicating hole 131 between the first heating cavity 15 and the fourth heating cavity 17 after passing through the first heating cavity 15, and finally flows out through the air outlet 19, the whole flow path presents a T shape, the path through which the hot air flows in the oven 1 is longer, and the energy is fully utilized, meanwhile, the distance between the air inlet 18 and the air outlet 19 is closer, so that the length of a pipeline communicating the air inlet 18, the air outlet 19 and the hot air blower 2 is reduced while the hot air is fully distributed in each space of the oven 1, the heat loss of the hot air in the transmission process is reduced, and meanwhile, the whole heating structure is more compact.

In the utility model, in order to further prevent the heat dissipation in the oven 1, the oven 1 is externally wrapped with a heat insulation cushion layer 4.

The utility model discloses an implement the principle and do: the nylon tube passes spiral supporting tube 12 in the conveying pipe 11 and conveys the bent wheel subassembly from the pay-off assembly, at first start air heater 2, air heater 2 sends into hot-blastly in oven 1, hot-blastly send back to air heater 2 from air outlet 19 after the circulation in oven 1 and carry out the heating once more, hot-blastly after the heating get back to higher temperature again and sent into in oven 1, reach hot-blastly circulation, the hot-blastly in reaching oven 1 sees through the conveying pipe 11 and the spiral supporting tube 12 of fretwork and directly heats the nylon tube in the data send process, the heating is quick, the nylon tube is heated evenly, simultaneously, the nylon tube is in the heating process, its perisporium is even receives the support of spiral supporting tube 12, can not take place the deformation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a nylon tube self-heating is heating structure for former which characterized in that: including oven (1) and with air heater (2) of the inner chamber intercommunication of oven (1), be equipped with conveying pipe (11) along its length direction in oven (1), conveying pipe (11) fretwork setting, nylon tube follow the length direction of conveying pipe (11) passes conveying pipe (11).

2. The heating structure for a nylon tube automatic heating molding device according to claim 1, characterized in that: the conveying pipe (11) is internally provided with a spiral supporting pipe (12), and the spiral supporting pipe (12) is made of steel bars and is in a spiral shape with uniform intercept.

3. The heating structure for a nylon tube automatic heating molding device according to claim 2, characterized in that: the inner diameter of the spiral supporting pipe (12) is 0.15-0.25mm larger than the outer diameter of the nylon pipe to be processed.

4. The heating structure for a nylon tube automatic heating molding device according to claim 2, characterized in that: the steel bars forming the spiral supporting tube (12) are cylindrical steel bars.

5. The heating structure for a nylon tube automatic heating molding device according to claim 1, characterized in that: an air inlet (18) and an air outlet (19) are arranged on the oven (1), the air inlet (18) is connected with the air outlet (19) of the air heater (2) through a pipeline, and the air outlet (19) is connected with the air inlet (18) of the air heater (2) through a pipeline.

6. The heating structure for a nylon tube automatic heating molding device according to claim 5, characterized in that: follow in oven (1) and be on a parallel with the length direction of oven (1) is equipped with first baffle (13), first baffle (13) will oven (1) is divided into first heating chamber (15) and second heating chamber, the second is equipped with second baffle (14) in the heating chamber, second baffle (14) will the second heating chamber is divided into third heating chamber (16) and fourth heating chamber (17), first baffle (13) both ends are equipped with intercommunicating pore (131) respectively, air intake (18) with air outlet (19) are located respectively third heating chamber (16) with fourth heating chamber (17) are close to second baffle (14) one end.

7. The heating structure for a nylon tube automatic heating molding device according to claim 6, characterized in that: the conveying pipe (11) is arranged in the first heating cavity (15).

8. The heating structure for a nylon tube automatic heating molding device according to claim 7, characterized in that: the first partition plate (13) is horizontally arranged, a support plate (3) is arranged on the first partition plate (13), and the support plate (3) is supported at the bottom of the conveying pipe (11) at intervals.

9. The heating structure for a nylon tube automatic heating molding device according to claim 1, characterized in that: and a heat insulation cushion layer (4) is arranged outside the oven (1).

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