CN218803853U

CN218803853U - Production device for steel pipe outer anti-corrosion coating

Info

Publication number: CN218803853U
Application number: CN202222001108.5U
Authority: CN
Inventors: 高泽玉; 王帅; 赵云城
Original assignee: Qingdao Senter Machinery Manufacturing Co ltd
Current assignee: Qingdao Senter Machinery Manufacturing Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-04-07
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a apparatus for producing for anticorrosive cladding of steel pipe outside, including the base, the PE extruder is installed through first mounting bracket in the upper end of base, the AD extruder is installed through the second mounting bracket in the top of PE extruder, PE extruder and AD extruder link to each other with the compound mould of annular through respective runner respectively, the detection ring that is used for monitoring compound mould of annular and machined part center deviation is installed through the backup pad in the left side of first mounting bracket, the inner wall that detects the ring is equipped with a plurality of displacement sensor, the installation piece is installed in the left side of base, the upper end of installation piece is equipped with the mounting groove, be equipped with moving mechanism between mounting groove and the compound mould of annular. The device is through setting up moving mechanism, can be solitary adjust annular composite die, and the load is all lower with the energy of consumption to first lead screw and second lead screw all adopt ball screw, and it is better to adjust the precision, further improves the even degree of coating.

Description

Production device for coating steel pipe with external corrosion resistance

Technical Field

The utility model relates to a steel pipe production technical field especially relates to a apparatus for producing that is used for outer anticorrosive cladding of steel pipe.

Background

The steel pipe 3PE outer anticorrosion extruded polyethylene anticorrosive coating is divided into a three-layer structure. The bottom layer in contact with the steel pipe is epoxy powder coating; the middle layer is adhesive (AD adhesive for short) used for bonding the epoxy powder coating and the polyethylene; the outer layer is polyethylene (PE glue for short). The traditional process is that firstly, epoxy resin powder is sprayed on the surface of a steel pipe heated to a certain temperature, then an AD adhesive layer is coated outside the epoxy layer through an annular composite die by an extruder, then a PE protective layer is coated outside the AD adhesive layer through another annular composite die by another extruder, and the epoxy layer and the PE protective layer are bonded together through the AD adhesive layer;

through retrieval, the production device is disclosed as CN203198205U and is named as a production device for the outer anticorrosive coating of a steel pipe, and comprises an AD extruder, a PE extruder and an annular composite die, wherein the AD extruder and the PE extruder are respectively used for extruding AD glue and PE glue, and are respectively connected with the annular composite die; the device has reasonable structure and convenient adjustment and operation, and simultaneously shortens the length of a flow passage between the extruder and the die so as to reduce energy consumption, thereby saving raw materials and ensuring the stability of product quality; however, the annular composite die moves along with the lower layer lifting platform front-and-back moving device, and in the adjusting process, the PE extruder is driven to move together, so that the load of the driving motor is increased due to the movement of the PE extruder, and unnecessary energy consumption is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a production device for the outer anti-corrosion coating of the steel pipe.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a apparatus for producing for anticorrosive cladding outside steel pipe, includes the base, the PE extruder is installed through first mounting bracket in the upper end of base, the AD extruder is installed through the second mounting bracket in the top of PE extruder, PE extruder and AD extruder link to each other with annular composite mold through respective runner respectively, the detection ring that is used for monitoring annular composite mold and machined part central deviation is installed through the backup pad in the left side of first mounting bracket, the inner wall that detects the ring is equipped with a plurality of displacement sensor, the installation piece is installed in the left side of base, the upper end of installation piece is equipped with the mounting groove, be equipped with moving mechanism between mounting groove and the annular composite mold.

Preferably, the moving mechanism includes a first lead screw rotatably connected to the left and right inner walls of the mounting groove, the left and right inner walls of the mounting groove are fixedly connected with a first guide rod, a moving block is mounted on the first lead screw, the first guide rod penetrates through the moving block, a first motor is mounted on the left side of the mounting block, an output shaft of the first motor extends to the mounting groove and is fixedly connected with the left end of the first lead screw, a second motor is mounted at the lower end of the moving block, an output shaft of the second motor penetrates through the moving block and is mounted with a second lead screw, the upper end of the moving block is fixedly connected with a plurality of second guide rods, a moving table is mounted on the second lead screw, each second guide rod penetrates through the moving table, and the upper end of the moving table is connected with the annular composite mold through a connecting mechanism.

Preferably, the connecting mechanism comprises a plurality of connecting columns fixedly connected to the mobile platform, the upper end of each connecting column is fixedly connected with a connecting plate, the lower end of the annular composite die is fixedly connected with a fixing plate, and the fixing plate is connected with the connecting plate through a plurality of fixing bolts.

Preferably, the mobile station is circular, and the number of the connecting columns is five.

Preferably, the first screw rod and the second screw rod both adopt ball screws, and the first motor and the second motor both adopt servo motors.

Preferably, the PE extruder and the AD extruder are connected with a corresponding first mounting frame and a corresponding second mounting frame through displacement assemblies, and lifting assemblies are arranged on the first mounting frame and the second mounting frame.

Compared with the prior art, the device has the advantages that:

1. the utility model discloses a set up base, annular composite mold, moving mechanism isotructure, the moving mechanism through setting up can drive annular composite mold and carry out corresponding removal, only needs to adjust annular composite mold, and the load is less, and the energy of consumption is littleer.

2. The utility model discloses a set up first lead screw, second lead screw, first motor and second motor isotructure, because first lead screw and second lead screw adopt ball screw, first motor and second motor adopt servo motor, adjust more accurate swift, can quick adjustment annular composite die with the machined part concentric, guarantee that the coating thickness is even.

Drawings

FIG. 1 is a schematic structural view of a production apparatus for steel pipe outer anticorrosion coating provided by the utility model;

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

fig. 3 is a top view of the mobile station.

In the figure: the device comprises a base 1, a PE (polyethylene) extruder 2, an AD (analog to digital) extruder 3, an annular composite die 4, a detection ring 5, an installation block 6, a first motor 7, a second motor 8, a first screw rod 9, a first guide rod 10, a movable block 11, a fixed plate 12, a connecting plate 13, a connecting column 14, a movable table 15, a second screw rod 16 and a second guide rod 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a production device for external anticorrosive coating of steel pipes comprises a base seat 1, the upper end of the base seat 1 is provided with a PE extruder 2 through a first mounting frame, the upper part of the PE extruder 2 is provided with an AD extruder 3 through a second mounting frame, the PE extruder 2 and the AD extruder 3 are respectively connected with an annular composite die 4 through respective runners, the PE extruder 2 and the AD extruder 3 are respectively used for extruding PE glue (polyethylene for short) and AD glue (adhesive for short), the left side of the first mounting frame is provided with a detection ring 5 for monitoring the central deviation of the annular composite die 4 and a workpiece through a support plate, two annular runners respectively communicated with the PE runner and the AD runner and two corresponding annular die cavities are arranged in the annular composite die 4, so that the AD layer and the PE layer can be coated on an epoxy layer of the workpiece at one time; the inner wall of the detection ring 5 is provided with a plurality of displacement sensors, the upper direction, the lower direction, the left direction and the right direction of the detection ring 5 are respectively provided with one displacement sensor which is connected with the PLC of the control system, when the annular composite die 4 is not concentric with a workpiece due to the bending of the workpiece and other reasons in the production process, the sensors on the detection ring 5 can feed back signals to the PLC in the control cabinet, the moving mechanism drives the annular composite die 4 to move correspondingly, so that the annular composite die 4 is concentric with the workpiece, the left side of the base 1 is provided with the installation block 6, the upper end of the installation block 6 is provided with the installation groove, and the moving mechanism is arranged between the installation groove and the annular composite die 4.

The utility model discloses in, moving mechanism is including rotating the first lead screw 9 of connection at the inner wall about the mounting groove, the first guide bar 10 of inner wall fixedly connected with about the mounting groove, install movable block 11 on the first lead screw 9, first guide bar 10 runs through movable block 11, first motor 7 is installed in the left side of installation piece 6, the output shaft of first motor 7 extends to the mounting groove and with the left end fixed connection of first lead screw 9, first motor 7 can drive first lead screw 9 and rotate, first lead screw 9 rotates and drives movable block 11 and remove, second motor 8 is installed to the lower extreme of movable block 11, the output shaft of second motor 8 runs through movable block 11 and installs second lead screw 16, a plurality of second guide bars 17 of upper end fixedly connected with of movable block 11, install mobile station 15 on the second lead screw 16, every second guide bar 17 all runs through mobile station 15, second lead screw 16 rotates, mobile station 15 reciprocates, and then drive the compound mould 4 removal of annular, the upper end of mobile station 15 links to each other with compound mould 4 of annular through coupling mechanism.

The connecting mechanism comprises a plurality of connecting columns 14 fixedly connected to a moving platform 15, the upper end of each connecting column 14 is fixedly connected with a connecting plate 13, the lower end of the annular composite die 4 is fixedly connected with a fixing plate 12, the fixing plate 12 is connected with the connecting plates 13 through a plurality of fixing bolts, the moving platform 15 is circular, the number of the connecting columns 14 is five, the annular composite die 4 can be detached from the connecting plates 13, and different annular composite dies 4 can be replaced conveniently according to processing requirements;

the first screw rod 9 and the second screw rod 16 both adopt ball screw rods, the ball screw rods are adjusted to be higher in accuracy, the first motor 7 and the second motor 8 both adopt servo motors, the first motor 7 and the second motor 8 can be programmed, and the adjustment accuracy is higher;

PE extruder 2 and AD extruder 3 all link to each other with corresponding first mounting bracket and second mounting bracket through the displacement subassembly, all are equipped with lifting unit on first mounting bracket and the second mounting bracket, and corresponding lead screw and motor can be adopted to the displacement subassembly, drive about PE extruder 2 and AD extruder 3, and elevating system also can adopt lead screw and motor or electronic hydraulic telescoping rod, drives PE extruder 2 and AD extruder 3 and reciprocates.

The utility model discloses during the use, in the course of processing, the machined part of treating processing, namely the steel pipe, pass detection ring 5 and annular composite mold 4, when production was gone on, the steel pipe passes through with certain linear velocity in annular composite mold 4, when annular composite mold 4 and steel pipe decentraction because reasons such as machined part bending lead to, the sensor of detection ring 5 can feed back the signal to PLC in the switch board on, feed back to the moving mechanism again, through first motor 7 and second motor 8, can drive annular composite mold 4 and carry out corresponding upper and lower left and right sides and move, make annular composite mold 4 and steel pipe concentric, make the coating more even;

the device is through setting up moving mechanism, can be solitary adjust annular composite mold 4, and the load is all lower with the energy that consumes to first lead screw 9 and second lead screw 16 all adopt ball screw, and it is better to adjust the precision, further improves the even degree of coating.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a apparatus for producing for anticorrosive cladding outside steel pipe, includes base (1), its characterized in that, PE extruder (2) are installed through first mounting bracket to the upper end of base (1), AD extruder (3) are installed through the second mounting bracket in the top of PE extruder (2), PE extruder (2) and AD extruder (3) link to each other with annular composite die (4) through respective runner respectively, detection ring (5) that are used for monitoring annular composite die (4) and machined part central deviation are installed through the backup pad in the left side of first mounting bracket, the inner wall of detecting ring (5) is equipped with a plurality of displacement sensor, installation piece (6) are installed in the left side of base (1), the upper end of installation piece (6) is equipped with the mounting groove, be equipped with moving mechanism between mounting groove and annular composite die (4).

2. The production device for the anticorrosion coating of the outer portion of the steel pipe as claimed in claim 1, wherein the moving mechanism comprises a first lead screw (9) rotatably connected to the left inner wall and the right inner wall of the installation groove, a first guide rod (10) is fixedly connected to the left inner wall and the right inner wall of the installation groove, a moving block (11) is installed on the first lead screw (9), the first guide rod (10) penetrates through the moving block (11), a first motor (7) is installed on the left side of the installation block (6), an output shaft of the first motor (7) extends to the installation groove and is fixedly connected with the left end of the first lead screw (9), a second motor (8) is installed at the lower end of the moving block (11), an output shaft of the second motor (8) penetrates through the moving block (11) and is provided with a second lead screw (16), a plurality of second guide rods (17) are fixedly connected to the upper end of the moving block (11), a moving table (15) is installed on the second lead screw (16), each second guide rod (17) penetrates through a moving table (15), and the upper end of the moving table (15) is connected with an annular die (4) through a connecting mechanism.

3. The production device for the outer anticorrosion coating of the steel pipe as claimed in claim 2, wherein the connecting mechanism comprises a plurality of connecting columns (14) fixedly connected on a moving table (15), the upper end of each connecting column (14) is fixedly connected with a connecting plate (13) together, the lower end of the annular composite die (4) is fixedly connected with a fixing plate (12), and the fixing plate (12) is connected with the connecting plate (13) through a plurality of fixing bolts.

4. A production device for steel pipe external anticorrosion coating according to claim 3, wherein the moving table (15) is circular, and the number of the connecting columns (14) is five.

5. The production device for the anticorrosion coating of the outer portion of the steel pipe as claimed in claim 2, wherein the first lead screw (9) and the second lead screw (16) both adopt ball screws, and the first motor (7) and the second motor (8) both adopt servo motors.

6. The production device for the outer anticorrosion coating of the steel pipe as claimed in claim 1, wherein the PE extruder (2) and the AD extruder (3) are connected with a first mounting frame and a second mounting frame through displacement assemblies, and lifting assemblies are arranged on the first mounting frame and the second mounting frame.