CN219789360U

CN219789360U - PPR tubular product on-line annealing device

Info

Publication number: CN219789360U
Application number: CN202321212354.3U
Authority: CN
Inventors: 宁达成
Original assignee: Guangdong Liansu Technology Industrial Co Ltd
Current assignee: Guangdong Liansu Technology Industrial Co Ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-10-03
Anticipated expiration: 2033-05-18

Abstract

The utility model relates to the technical field of pipe annealing, in particular to a PPR pipe on-line annealing device, which comprises a box body, wherein a channel which is used for moving the pipe and can generate heat is arranged in the box body, and the channel is bent; the inlet of the channel is provided with a conveying structure for conveying the pipe, and the outlet of the channel is provided with an interception component. According to the utility model, the channel is bent, and the blocking component is matched with the outlet of the channel, so that the pipe can stay in the channel for a long enough time, the pipe can stay in the box for a long enough time to finish annealing, and the annealing effect of the pipe is ensured.

Description

PPR tubular product on-line annealing device

Technical Field

The utility model relates to the technical field of pipe annealing, in particular to an on-line annealing device for a PPR pipe.

Background

At present, PPR water supply pipes have the problem of brittle cracking at low temperature, and a common treatment mode is to add a POE toughening agent into a pipe formula system, but the mode has the following defects: firstly, the POE toughening agent is added to increase the formula cost, so that the cost of the whole pipe formula is higher; secondly, the hydraulic performance of the product is reduced due to the addition of the POE toughening agent, so that the problem of brittle cracking of the PPR water supply pipe at low temperature is not a good solution in practical application.

The research shows that: the low temperature impact properties of PPR tubing are related to the microstructure of the molecules, such as crystallinity, orientation, etc. The annealing process can have certain influence on crystallization, molecular orientation and the like of the pipe, so that the low-temperature impact performance of the pipe is improved, and the current common operation mode is as follows: and the annealing treatment is performed after the pipe is taken down the production line, but the operation is more complicated, and time and labor are wasted. Therefore, how to directly apply the annealing process to the PPR pipe in the production line can simply and efficiently improve the low-temperature impact performance of the PPR pipe is a problem to be solved at present.

As disclosed in the prior patent (publication number CN 213321689U), an annealing and stretching apparatus for PP-R tubing for a production line, comprising a stationary table, an oven and a temperature controller assembly; the oven is installed on the fixed station and comprises a box body and a stretching assembly which is accommodated in the box body and used for stretching the pipe, a pipe inlet and a pipe outlet corresponding to the pipe inlet are formed in the box body, a guide groove for the pipe to pass through is formed in the stretching assembly, the temperature controller assembly is installed on the fixed station and is electrically connected with the oven, and the temperature controller assembly is used for detecting and regulating the heating temperature of the oven. The annealing and stretching equipment for the PP-R pipe on the production line is provided with the oven and the stretching assembly, so that the pipe can be stretched and annealed on the production line, and the low-temperature impact strength of the PP-R pipe is enhanced.

However, the annealing achieved by the heat softening and in-line stretching method adopted in the patent has the following problems: the PPR has low heat conductivity, a certain time is required for softening the inside and outside of the pipe, the extrusion speed in the production process of the PPR pipe is generally about 15m/min, the time estimated by the PPR pipe passing through the annealing equipment is only 1-2 seconds, and the pipe can not be softened almost in a short time; in addition, the annealing equipment is also provided with a group of stretching devices, the pipe diameter and the wall thickness of the PPR pipe can be changed after heating and stretching, and the temperature and the stretching amplitude can influence the change rate of the size, so that the size of the pipe stretched by the device is difficult to keep consistent.

Disclosure of Invention

The utility model provides the PPR pipe on-line annealing device which can ensure that the pipe stays in an annealing furnace for a long time and has good annealing effect, so as to solve the technical problems of short stay time and poor annealing effect of the PPR pipe in the prior annealing equipment.

In order to solve the technical problems, the utility model adopts the following technical scheme: the PPR pipe on-line annealing device comprises a box body, wherein a channel which is used for moving the pipe and can generate heat is arranged in the box body, and the channel is bent; the inlet of the channel is provided with a conveying structure for conveying the pipe, and the outlet of the channel is provided with an interception component.

The pipe conveying structure can convey the pipe to the inlet of the channel, the pipe enters the channel through the inlet of the channel, the pipe moves to the outlet of the channel along the path of the channel, and the interception component at the outlet of the channel can intercept the pipe. The pipe can be heated and softened in the moving process in the channel due to the fact that the channel can generate heat, the channel is bent, and the blocking component is matched with the outlet of the channel, so that the pipe can stay in the channel for a long enough time, the pipe can stay in the box for a long enough time to finish annealing, and the annealing effect of the pipe is guaranteed.

Preferably, the channel is formed by surrounding a plurality of heating plates, and the heating plates are connected to the box body.

Preferably, the channel is "Z" shaped or wavy.

Preferably, the outer wall of the channel is provided with a heat insulation plate.

Preferably, the included angle between the plane where the heating plate is located and the horizontal plane is 15-30 degrees.

Preferably, the conveying structure comprises an inclined plate, the inclined plate is connected to the box body, a guide plate is arranged above one end of the inclined plate, and the other end of the inclined plate extends to the inlet of the channel in a downward inclined mode.

Preferably, the conveying structure comprises a driving wheel, a driven wheel, a conveyor belt and a motor; the driving wheel, the driven wheel and the motor are arranged on the box body; the conveying belt is sleeved on the driving wheel and the driven wheel, and the output end of the motor is connected with the driving wheel; a plurality of placing pieces for placing pipes are arranged on the conveyor belt at intervals.

Preferably, the placement member is in a "V" configuration or a block configuration.

Preferably, the interception assembly comprises a cylinder and a stop block for intercepting the pipe; the output end of the air cylinder is connected with the stop block; the cylinder is arranged on the box body.

Preferably, a pipe groove for storing the pipe is arranged below the outer side of the outlet of the channel.

Compared with the prior art, the utility model has the beneficial effects that:

1) The channel is Z-shaped or wavy, and compared with the straight line arrangement, the path length of the channel is greatly increased, so that the pipe can stay in the channel for a long time; meanwhile, an interception component is arranged at the outlet of the channel, so that the lifting of the stop block can be controlled according to the process requirement, the pipe can stay in the box body for a long time, and the annealing effect of the pipe can be ensured;

2) The heating plate surrounding the channel is in a certain gradient, so that the pipe can roll along the channel under the action of self gravity, and the pipe is simple in structure, convenient to operate and high in practicability.

Drawings

FIG. 1 is a schematic structural view of an on-line annealing device for PPR pipes of the present utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of another angle of the PPR pipe on-line annealing device of the utility model;

FIG. 4 is a schematic diagram of the structure of the front surface of the on-line annealing device for PPR pipes of the utility model;

FIG. 5 is a schematic view of the structure of the pipe of the present utility model in a PPR pipe in-line annealing apparatus;

FIG. 6 is a schematic view showing the structure of a conveying apparatus in embodiment 4 of the present utility model;

FIG. 7 is a schematic view showing the structure of a conveying apparatus according to another angle of embodiment 4 of the present utility model;

FIG. 8 is a schematic view showing the structure of a pipe material placed on the conveying apparatus in embodiment 4 of the present utility model;

FIG. 9 is a schematic view showing the structure of a placement member in embodiment 5 of the present utility model;

fig. 10 is a schematic view showing the structure of a placement member for placing a pipe in embodiment 5 of the present utility model.

In the accompanying drawings: 1-a box body; 11-risers; 2-channel; 21-inlet; 22-outlet; 23-heating plate; 3-conveying structure; 31-inclined plate; 32-a deflector; 321-fixing plates; 33-a driving wheel; 34-driven wheel; 35-a conveyor belt; 351-placing a piece; 36-an electric motor; 4-intercepting component; 41-cylinder; 42-stop blocks; 5-an insulation board; 6-a tube groove; 101-pipe material.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

Referring to fig. 1-5, an embodiment 1 of an on-line annealing device for PPR pipe is shown, which comprises a box 1, a channel 2, a conveying structure 3 and an interception component 4, wherein the channel 2 is arranged in the box 1, the channel 2 can generate heat for annealing the pipe 101, the conveying structure 3 is arranged at an inlet 21 of the channel 2, the conveying structure 3 is used for conveying the pipe 101 into the channel 2, the interception component 4 is arranged at an outlet 22 of the channel 2, and the interception component 4 is used for temporarily intercepting the pipe 101 in the channel 2, so that the time of the pipe 101 in the channel 2 is prolonged.

Specifically, in this embodiment, the channel 2 is formed by enclosing a plurality of heating plates 23, the heating plates 23 are connected to the inner wall of the box 1, the temperature of the heating plates 23 can be adjusted according to actual requirements, and the temperature of the heating plates 23 can be set according to process requirements in the production process.

The two heating plates 23 of each group are oppositely arranged and have a certain interval, the pipe 101 can pass through the gap between the two heating plates 23, the two heating plates 23 in each group are respectively connected with two opposite side walls of the box body 1, namely one side end part of one heating plate 23 is connected with the side wall of the box body 1, one side end part of the other heating plate 23 is connected with the opposite side wall of the box body 1, the heating plates 23 of the groups are sequentially connected onto the side wall of the box body 1 along the height direction of the box body 1 and are arranged in a Z shape, and the gaps between the two adjacent groups of heating plates 23 are communicated to form a channel 2 for the movement of the pipe 101.

In this embodiment, the included angle θ1 between the plane of the heating plate 23 and the horizontal plane is 15 ° to 30 °, and in this embodiment, the included angle θ1 between the plane of the heating plate 23 and the horizontal plane is 20 °. The heating plates 23 have a certain gradient, so that the pipe 101 can move along the gap between the heating plates 23 under the action of self gravity.

The conveying structure 3 is disposed at the inlet 21 of the channel 2, specifically, the conveying structure 3 includes an inclined plate 31 and a baffle 32, in this embodiment, the inclined plate 31 is connected to the box 1, the baffle 32 is disposed above one end of the inclined plate 31, the other end of the inclined plate 31 extends to the inlet 21 of the channel 2 in a downward inclined manner, that is, the pipe 101 rolls onto the inclined plate 31 through the baffle 32, moves to the inlet 21 along the inclined plate 31 under the gravity of the pipe 101, and enters into the channel 2 to move.

The included angle θ2 between the plane where the inclined plate 31 is located and the horizontal plane is 15 ° to 30 °, in this embodiment, the included angle θ2 between the plane where the inclined plate 31 is located and the horizontal plane is 20 °, as a preferred technical solution, in this embodiment, the inclined plate 31 is a heating plate, and when the pipe 101 rolls on the inclined plate 31, annealing treatment can be started.

Wherein, the outside of box 1 is equipped with riser 11, and baffle 32 connects on riser 11, and the tip extension of hang plate 31 is connected on riser 11, specifically is equipped with fixed plate 321 on the riser 11, and the plane that fixed plate 321 is located is perpendicular with the plane that riser 11 is located, and baffle 32 connects on fixed plate 321, and the setting of baffle 32 can adjust the removal orientation of pipe 101 earlier, rolls to hang plate 31 when pipe 101 from baffle 32 to roll down to entry 21 department along hang plate 31 and get into in the passageway 2.

The pipe 101 moves to the outlet 22 of the channel 2 along the path of the channel 2, an interception component 4 is arranged at the outlet 22, the interception component 4 can intercept the pipe 101 in the channel 2, specifically, the interception component 4 comprises an air cylinder 41 and a stop block 42, the air cylinder 41 is a universal air cylinder, the air cylinder 41 is arranged on the side wall of the box body 1, the output end of the air cylinder 41 is connected with the stop block 42, the air cylinder 41 can control the stop block 42 to lift, and the stop block 42 can be specifically set to lift and descend according to the annealing time or the running period of a rear-stage packaging station.

When the air cylinder 41 drives the stop block 42 to ascend, the stop block 42 cannot intercept the pipe 101, and the pipe 101 can be discharged from the outlet 22 to the channel 2; when the cylinder 41 drives the stop block 42 to descend, the stop block 42 can intercept the pipe 101, and the pipe 101 cannot be discharged from the outlet 22.

As the preferable technical scheme, the two groups of interception components 4 are arranged, the two groups of interception components 4 are respectively arranged at the two ends of the outlet 22 of the channel 2, so that the two ends of the pipe 101 can be intercepted, and the interception effect on the pipe 101 can be improved by arranging the two groups of interception components 4.

The outlet 22 of the channel 2 is further provided with a pipe groove 6, the pipe groove 6 is arranged below the outer side of the outlet 22, the pipe groove 6 is arranged between the outer side wall of the box body 1 and the vertical plate 11, and the pipe groove 6 can temporarily store the pipe 101 discharged from the channel 2. After the pipe materials with the specified package quantity are collected, the pipe materials in the pipe groove 6 are pushed to the next working procedure by other pushing devices.

The specific working principle of the utility model is as follows:

the tube 101 rolls down the deflector 32 onto the inclined plate 31 and along the inclined plate 31 to the inlet 21 of the channel 2 and from the inlet 21 into the channel 2, the tube 101 entering the channel 2 moving along the "Z" path of the channel 2 to the outlet 22 of the channel 2.

If the pipe 101 needs to be intercepted, the stop block 42 is put down through the air cylinder 41, the stop block 42 can stop the pipe 101 from being discharged from the outlet 22, and when the pipe 101 needs to be discharged into the pipe groove 6, the stop block 42 is lifted through the air cylinder 41, and at the moment, the pipe 101 can be discharged into the pipe groove 6 through the outlet 22.

According to the utility model, the pipes 101 are sequentially arranged in the channel 2 and gathered in a certain quantity, and as the channel 2 is in a Z-shaped structure, and the stop blocks 42 are matched, the pipes 101 can stay in the channel 2 for a long enough time, so that the pipes 101 can stay in the box body 1 for a long enough time to finish annealing, and the annealing effect of the pipes 101 is ensured.

Example 2

The embodiment is an embodiment 2 of an online annealing device for PPR tubing, and the difference between the embodiment and the embodiment 1 is that: the outer wall of the heating plate 23 surrounding the channel 2 is provided with a heat-insulating plate, and the heat-insulating plate can form a certain heat-insulating effect on the heating plate 23, so that the annealing effect of the pipe 101 can be improved.

Example 3

The embodiment is an embodiment 3 of an online annealing device for PPR tubing, which is different from embodiment 1 in that: the channels 2 are in this embodiment arranged in a wave-like manner.

Example 4

The embodiment is an embodiment 4 of an online annealing device for PPR tubing, which is different from embodiment 1 in that: as shown in fig. 6-8, the conveying structure 3 in this embodiment includes a driving wheel 33, a driven wheel 34, a conveying belt 35 and a motor 36, where the driving wheel 33 and the driven wheel 34 are both rotatably disposed in the box 1, the conveying belt 35 is sleeved on the driving wheel 33 and the driven wheel 34, the motor 36 is a universal motor, the motor 36 is installed on the box 1, an output end of the motor 36 is connected with the driving wheel 33, the motor 33 can drive the driving wheel 33 to rotate, and the conveying belt 35 can be moved and transmitted under the cooperation of the driven wheel 34.

Wherein, the interval is equipped with a plurality of placing member 351 on the conveyer belt 35, and placing member 351 is used for placing or intercepting tubular product 101, and specifically, placing member 351 sets up to the cubic structure in this embodiment, and cubic structure 351 can intercept tubular product 101 in one side of placing member 351, and conveyer belt 35 conveying in-process can be with tubular product 101 transmission to entry 21 department, and placing member 351 can play certain correction guide's effect to tubular product 101, can make tubular product 101 can be smooth, steady fall into in the passageway 2 from entry 21.

Example 5

The present embodiment is an embodiment 5 of an online annealing device for PPR tubing, which is different from embodiment 4 in that: as shown in fig. 9-10, the placement member 351 in this embodiment has a "V" structure, which is convenient for placing the pipe 101, and the pipe 101 can be stably placed on the conveyor belt 35, and when the pipe 101 moves to the inlet 21, the pipe can fall into the channel 2 from the placement member 351.

Example 6

The present embodiment is an embodiment 6 of an online annealing device for PPR tubing, which is different from embodiment 1 in that: in this embodiment, the baffle 32 is rotatably connected to the fixed plate 321, specifically, the baffle 32 is rotatably disposed on the fixed plate 321 through a rotating shaft, that is, the baffle 32 can rotate in a certain range by taking the rotating shaft as an axis, a return spring is further disposed at the bottom of the baffle 32, one end of the return spring is connected to the bottom of the baffle 32, the other end of the return spring is connected to the inclined plate 31, when the pipe 101 is disposed on the baffle 32, under the action of gravity of the pipe 101, the baffle 32 rotates, and the end side of the baffle is close to the inclined plate 31, the pipe 101 rolls onto the inclined plate 31 along the gradient of the baffle 32, so that the impact on the pipe 101 falling onto the inclined plate 31 from the baffle 32 can be reduced, the pipe 101 can smoothly roll onto the inclined plate 31 from the baffle 32, and after the pipe 101 rolls onto the inclined plate 31, the baffle 32 returns to the original position under the elasticity of the return spring.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a PPR tubular product on-line annealing device which characterized in that: the device comprises a box body (1), wherein a channel (2) for moving a pipe (101) and heating is arranged in the box body (1), and the channel (2) is bent; the inlet (21) of the channel (2) is provided with a conveying structure (3) for conveying the pipe (101), and the outlet (22) of the channel (2) is provided with an interception component (4).

2. The PPR tube on-line annealing device according to claim 1, wherein: the channel (2) is formed by surrounding a plurality of heating plates (23), and the heating plates (23) are connected to the box body (1).

3. The PPR tube on-line annealing device according to claim 1, wherein: the channel (2) is Z-shaped or wave-shaped.

4. The PPR tube on-line annealing device according to claim 1, wherein: an insulation board is arranged on the outer wall of the channel (2).

5. The PPR tube on-line annealing device according to claim 2, wherein: the included angle between the plane where the heating plate (23) is positioned and the horizontal plane is 15-30 degrees.

6. The PPR tube on-line annealing device according to claim 1, wherein: the conveying structure (3) comprises an inclined plate (31), and the inclined plate (31) is connected to the box body (1); a deflector (32) is arranged above one end of the inclined plate (31), and the other end of the inclined plate (31) extends downwards in an inclined manner to the inlet (21) of the channel (2).

7. The PPR tube on-line annealing device according to claim 1, wherein: the conveying structure (3) comprises a driving wheel (33), a driven wheel (34), a conveyor belt (35) and a motor (36); the driving wheel (33), the driven wheel (34) and the motor (36) are arranged on the box body (1); the conveying belt (35) is sleeved on the driving wheel (33) and the driven wheel (34), and the output end of the motor (36) is connected with the driving wheel (33); a plurality of placing pieces (351) for placing the pipe (101) are arranged on the conveyor belt (35) at intervals.

8. The PPR tube on-line annealing device according to claim 7, wherein: the placement piece (351) is in a V-shaped structure or a block-shaped structure.

9. The PPR tube on-line annealing device according to claim 1, wherein: the interception component (4) comprises a cylinder (41) and a stop block (42) for intercepting the pipe (101); the output end of the air cylinder (41) is connected with the stop block (42); the cylinder (41) is arranged on the box body (1).

10. An on-line annealing device for PPR tubing according to any one of claims 1-9, characterized in that: a pipe groove (6) for storing the pipe (101) is arranged below the outer side of the outlet (22) of the channel (2).