CN215430026U

CN215430026U - Curing equipment for internal and external epoxy composite plastic-coated composite steel pipe

Info

Publication number: CN215430026U
Application number: CN202121759069.4U
Authority: CN
Inventors: 肖峰; 邱勇; 王榕
Original assignee: Chongqing De Water Source Pipe Industry Co ltd
Current assignee: Chongqing De Water Source Pipe Industry Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-07
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to the technical field of steel pipe plastic coating, and discloses curing equipment for an internal and external epoxy composite plastic-coated composite steel pipe, which comprises a high-temperature curing furnace, wherein one side of the high-temperature curing furnace is provided with an open end, the open end of the high-temperature curing furnace is vertically and slidably connected with a closed door, the curing equipment further comprises a conveying mechanism, the conveying mechanism comprises two guide rails which are arranged in parallel, the guide rails penetrate into the high-temperature curing furnace, a conveying piece is arranged between the two guide rails, a placing frame for placing the steel pipe is arranged on the guide rails in a sliding fit mode, and the conveying piece drives the placing frame to move along the guide rails. The utility model can avoid collision with the high-temperature curing furnace, so that the steel pipe can stably enter the high-temperature curing furnace.

Description

Curing equipment for internal and external epoxy composite plastic-coated composite steel pipe

Technical Field

The utility model relates to the technical field of steel pipe plastic coating, in particular to curing equipment for an internal and external epoxy composite plastic-coated composite steel pipe.

Background

At present, in the process of manufacturing a plastic-coated steel pipe, the inner wall and the outer wall of the steel pipe need to be sprayed, and after the spraying is finished, the steel pipe needs to be placed in a high-temperature curing furnace for curing.

For a large-diameter steel pipe, the diameter of the steel pipe is large, so that the whole size is large, and in the process of feeding the steel pipe into a high-temperature curing furnace, the steel pipe is directly placed into the high-temperature curing furnace in a hoisting mode in the prior art, the operation mode is troublesome in operation when the steel pipe is fixedly hoisted, the efficiency is low, and if the steel pipe is fed into the high-temperature curing furnace in a hoisting mode, an opening needs to be formed in the top end of the high-temperature curing furnace, the steel pipe is easy to shake due to the hoisting mode, so that the steel pipe collides with the high-temperature curing furnace to damage the high-temperature curing furnace and components arranged inside the high-temperature curing furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide curing equipment for an internal and external epoxy composite plastic-coated composite steel pipe, so that the equipment can avoid collision with a high-temperature curing furnace, and the steel pipe can stably enter the high-temperature curing furnace.

In order to achieve the purpose, the utility model adopts the following technical scheme: compound steel pipe curing equipment of moulding is scribbled to inside and outside epoxy complex, including the high temperature curing stove, one side of high temperature curing stove is the opening end, the vertical sliding connection of opening end of high temperature curing stove has the closed door, still includes conveying mechanism, conveying mechanism includes two mutual parallel arrangement's guide rail, the guide rail penetrates in the high temperature curing stove, be equipped with the conveying piece between two guide rails, sliding fit has the rack of placing the steel pipe on the guide rail, conveying piece drive rack removes along the guide rail.

The principle and the advantages of the scheme are as follows: during practical application, through setting up guide rail and rack in this scheme, the rack is used for supporting the steel pipe, and through opening the closed door, the steel pipe that makes on the conveying piece drive the rack gets into the curing in the high temperature curing stove. Need not manual operation at the in-process that sends into the steel pipe in this scheme high temperature curing stove, effectual work efficiency that has improved can make steady entering into the high temperature curing stove of steel pipe simultaneously through drive rack along guide rail linear motion in, can not produce striking and destruction to the inside components and parts of high temperature curing stove shell and high temperature curing stove.

In addition, in the scheme, only the opening is required to be formed in the side wall of the high-temperature curing furnace, so that the steel pipe can conveniently enter and exit from the side edge of the high-temperature curing furnace, and the opening for the steel pipe to enter and exit is not required to be formed in the top end of the high-temperature curing furnace, so that the opening and closing of the closed door can be controlled more conveniently.

Preferably, as an improvement, the conveying member includes a rack, a conveying chain and a driving unit for driving the conveying chain to move, the conveying chain conveys along the rack, a connecting frame is fixedly connected to the conveying chain, and one end of the connecting frame, far away from the conveying chain, is fixedly connected to the placing frame.

According to the arrangement, the conveying piece in the scheme adopts the conveying chain to convey, the horizontal movement of the placing frame can be realized through the annular movement of the driving conveying chain, the structure is simple, the driving mode is simple and convenient, and the connecting frame is used for connecting the placing frame and the conveying chain in the scheme, so that the conveying chain can drive the placing frame to move in the moving process, and further the steel pipe is driven to move.

Preferably, as an improvement, the high-temperature curing oven is provided with two guide rail grooves for two guide rails to pass through, the bottom end of the closed door is provided with a clamping groove, the clamping groove and the guide rail grooves are through grooves, and the clamping groove can be inserted in the outer side of the connecting frame.

So set up, the setting in this scheme guide rail groove can play the effect of location to two guide rails, is convenient for simultaneously to make the guide rail penetrate the high temperature curing stove in through the guide rail groove, and the setting of draw-in groove can make the draw-in groove card in this scheme in closing the sealing door after, in the link outside to make the sealing door can carry out normal closing, can make the link smooth pass through the sealing door simultaneously again.

Preferably, as an improvement, the driving unit includes a motor, a support plate, and two rotating wheels, the two rotating wheels are respectively engaged with both ends of the conveying chain, the motor drives one of the rotating wheels to rotate, and the support plate is rotationally engaged with the other rotating wheel.

So set up, rotate the wheel through motor drive in this scheme to drive the conveying chain and remove, thereby make the conveying chain drive link move to the high temperature curing oven direction, and realize sending into the purpose of steel pipe in the high temperature curing oven.

Preferably, as an improvement, the door closing device further comprises a power unit for driving the closing door to slide vertically.

So set up, power unit can the vertical slip of automatic control sealing door in this scheme to the realization is opened the high temperature curing stove and is closed the high temperature curing stove and get the purpose, through opening and close of power unit automatic control sealing door, more automation can use manpower sparingly and improve work efficiency.

Preferably, as an improvement, the power pack includes pneumatic cylinder and chain, the top fixedly connected with riser of high temperature curing oven, one side fixedly connected with support column of riser, the one end and the closed door of chain are connected, the other end of chain and the output shaft of pneumatic cylinder, the chain passes through the outside of support column.

The output shaft of the hydraulic cylinder stretches out and draws back in the scheme, so that the chain can drive the closed door to ascend or descend, and the closed door is opened and closed.

Drawings

FIG. 1 is a top view of an embodiment of the curing apparatus for inner and outer epoxy composite plastic-coated composite steel pipe according to the present invention.

FIG. 2 is a front view of the curing apparatus for inner and outer epoxy composite plastic-coated composite steel pipes according to the embodiment of the present invention, with the conveying mechanism removed.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the high-temperature curing furnace comprises a high-temperature curing furnace 1, a guide rail 2, a rack 3, a conveying chain 4, a first support 5, a motor 6, a rotating wheel 7, a second support 8, a supporting plate 9, a rotating shaft 10, a connecting frame 11, a placing frame 12, a closing door 13, a hydraulic cylinder 14, a vertical plate 15, a connecting plate 16, a supporting column 17, a chain 18, a guide rail groove 19, a clamping groove 20 and a steel pipe 21.

The embodiment is basically as shown in the attached figures 1 and 2: the curing equipment for the internal and external epoxy composite plastic-coated composite steel pipe comprises a high-temperature curing furnace 1, wherein one side of the high-temperature curing furnace is an open end, the open end of the high-temperature curing furnace 1 is vertically and slidably connected with a closed door 13, the fixing equipment in the embodiment further comprises a conveying mechanism, the conveying mechanism comprises two guide rails 2 which are arranged in parallel, the left ends of the guide rails 2 penetrate into the high-temperature curing furnace 1, a conveying piece is arranged between the two guide rails 2, a placing frame 12 used for placing a steel pipe 21 is slidably matched on the guide rails 2, the placing frame 12 in the embodiment is of a rectangular frame structure, and the left part and the right part of the placing frame 12 are provided with semicircular grooves, the steel pipes 21 are placed in the grooves of the left part and the right part of the placing frame 12, two sliding blocks (not shown in the figure) are fixed at the bottom of the placing frame 12, the two sliding blocks are respectively in sliding fit with the two guide rails 2, and the conveying piece drives the placing frame 12 to move along the guide rails 2.

Specifically, the method comprises the following steps: the conveying piece comprises a rack 3, a conveying chain 4 and a driving unit for driving the conveying chain 4 to move, the conveying chain 4 is conveyed along the length direction of the rack 3, the side view direction of the conveying chain 4 is in a waist shape in the embodiment, a connecting frame 11 is fixedly connected onto the conveying chain 4 through bolts, and one end, far away from the conveying chain 4, of the connecting frame 11 is fixedly connected with a placing frame 12 through bolts.

The driving unit in this embodiment includes a motor 6, a supporting plate 9 and two rotating wheels 7, the two rotating wheels 7 are respectively engaged with two ends of the conveying chain 4, that is, the two rotating wheels 7 are located at the left and right parts of the conveying chain 4, and the two rotating wheels 7 are located between the conveying chains 4 and engaged with the conveying chain 4, the motor 6 drives one of the rotating wheels 7 to rotate, in this embodiment, the motor 6 is fixed with a first bracket 5, and the first bracket 5 is fixed on the ground through a bolt.

The support plate 9 is rotatably engaged with the other rotating wheel 7, as shown in fig. 1, and the support plate 9 is rotatably engaged with a rotating wheel (not shown) located on the right side, specifically: fixedly connected with second support 8 in backup pad 9, second support 8 passes through the bolt and is fixed with ground, rotates through the bearing in backup pad 9 and is connected with pivot 10, is located the coaxial fixed connection of rotation wheel and pivot 10 on right side.

Combine shown in fig. 2, set up two guide rail grooves 19 that supply two guide rails 2 to pass on the high temperature curing oven 1, closed door 13's bottom has seted up draw-in groove 20, draw-in groove 20's bottom is uncovered, draw-in groove 20 and guide rail groove 19 are logical groove, draw-in groove 20's width is greater than the width of link 11 to make draw-in groove 20 insert in the link 11 outside, and then realize normally closing closed door 13's effect, and avoid link 11 to produce the hindrance to closed door 13's closing.

The curing equipment for the internal and external epoxy composite plastic-coated composite steel pipe in the embodiment further comprises a power unit for driving the closing door 13 to vertically slide.

In this embodiment, two connecting plates 16 are fixedly connected to the upper portion of the sealing door 13 through screws, the two connecting plates 16 are respectively located at the left portion and the right portion of the sealing door 13, in this embodiment, two vertical plates 15 are vertically welded and fixed to the top end of the high-temperature curing furnace 1, and a supporting column 17 is fixedly connected to one side of each of the two vertical plates 15.

The power units are arranged in two groups in the embodiment, the two groups of power units are respectively positioned on the left side and the right side of the high-temperature curing oven 1, each power unit comprises a hydraulic cylinder 14 and a chain 18, one end of each chain 18 is connected with the closed door 13, one end of each chain 18 is welded and fixed with the connecting plate 16 on the closed door 13, the other end of each chain 18 is welded and fixed with the output shaft of the corresponding hydraulic cylinder 14, and the chains 18 pass through the outer sides of the supporting columns 17, namely the chains 18 are hung outside the supporting columns 17 and can slide along the outer sides of the supporting columns 17. In this embodiment, the connection between the chain 18 and the output shaft of the hydraulic cylinder 14 and the connection plate 16 may also be implemented by using a hook, so that two ends of the chain 18 are welded and fixed with one hook respectively hooked on the connection plate 16 and the output shaft of the hydraulic cylinder 14, thereby implementing detachable connection.

The specific implementation process is as follows: during practical application, the steel pipes 21 are placed in the two grooves of the placing frame 12, the output shafts of the hydraulic cylinders 14 are retracted downwards, so that the closing doors 13 slide upwards to open the closing doors 13, then the motors 6 are started, the motors 6 drive the rotating wheels 7 to rotate, and in the process, the conveying chains 4 are driven to move towards the high-temperature curing furnace 1, so that the connecting frame 11 is driven to move, and the placing frame 12 fixed with the connecting frame 11 drives the steel pipes 21 to gradually enter the high-temperature curing furnace 1.

After the steel pipe 21 completely enters the high-temperature curing oven 1, the motor 6 stops rotating, and then the output shaft of the hydraulic cylinder 14 extends upwards, so that the closing door 13 slides downwards under the action of the chain 18, the clamping groove 20 of the closing door 13 is clamped on the outer side of the connecting frame 11, and after the closing door 13 is closed, the high-temperature curing oven 1 is in a closed state to perform high-temperature curing on the steel pipe 21 inside.

After the solidification is finished, the output shaft of the hydraulic cylinder 14 retracts, so that the closing door 13 slides upwards, and the steel pipe 21 is conveniently moved out of the high-temperature curing oven 1. When the solidified steel tube 21 is removed, the driving motor 6 rotates reversely, so that the conveying chain 4 moves reversely, and the steel tube 21 is driven to be removed from the high-temperature curing oven 1.

Need not manual operation at the in-process that sends into the high temperature curing stove with steel pipe 21 in this scheme, effectual work efficiency that has improved simultaneously can make steel pipe 21 steady enter into high temperature curing stove 1 in along 2 linear motion of guide rail through drive rack 12, can not produce striking and destruction to the components and parts of 1 shells of high temperature curing stove and 1 inside of high temperature curing stove.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Compound steel pipe curing equipment of compound plastic-coated of inside and outside epoxy, including high temperature curing oven, its characterized in that: one side of high temperature curing stove is the opening end, the vertical sliding connection of opening end of high temperature curing stove has the closed door, still includes conveying mechanism, conveying mechanism includes two mutual parallel arrangement's guide rail, the guide rail penetrates in the high temperature curing stove, be equipped with the conveying piece between two guide rails, sliding fit has the rack of placing the steel pipe on the guide rail, conveying piece drive rack removes along the guide rail.

2. The curing equipment for the internal and external epoxy composite plastic-coated composite steel pipe according to claim 1, characterized in that: the conveying piece comprises a rack, a conveying chain and a driving unit for driving the conveying chain to move, the conveying chain is conveyed along the rack, a connecting frame is fixedly connected to the conveying chain, and one end, far away from the conveying chain, of the connecting frame is fixedly connected with the placing frame.

3. The curing equipment for the internal and external epoxy composite plastic-coated composite steel pipe according to claim 2, characterized in that: the high-temperature curing oven is provided with two guide rail grooves for two guide rails to pass through, the bottom end of the closed door is provided with a clamping groove, the clamping groove and the guide rail grooves are through grooves, and the clamping groove can be inserted into the outer side of the connecting frame.

4. The curing equipment for the internal and external epoxy composite plastic-coated composite steel pipe according to claim 2, characterized in that: the driving unit comprises a motor, a supporting plate and two rotating wheels, the two rotating wheels are respectively meshed with the two ends of the conveying chain, the motor drives one of the rotating wheels to rotate, and the supporting plate is in running fit with the other rotating wheel.

5. The curing equipment for the internal and external epoxy composite plastic-coated composite steel pipe according to claim 1, characterized in that: the power unit is used for driving the closing door to vertically slide.

6. The curing equipment for the internal and external epoxy composite plastic-coated composite steel pipe according to claim 5, characterized in that: the power unit comprises a hydraulic cylinder and a chain, the top end of the high-temperature curing furnace is fixedly connected with a vertical plate, one side of the vertical plate is fixedly connected with a supporting column, one end of the chain is connected with a sealing door, the other end of the chain is connected with an output shaft of the hydraulic cylinder, and the chain passes through the outer side of the supporting column.