CN201776329U - Full-automatic PLC (power load control) threaded smoke pipe rolling machine - Google Patents

Abstract

The utility model belongs to the mechanical equipment field, and provides a full-automatic PLC (power load control) threaded smoke pipe rolling machine which consists of a feeding device, a spiral line rolling device, a discharging device and a PLC system which are arranged in the straight line direction. The full-automatic PLC threaded smoke pipe rolling machine is provided with a pushing cylinder, three hydraulic cylinders, a universal coupling and a PLC main frame, wherein, the pushing cylinder drives a light pipe to directly enter a rolling starting point, the three hydraulic cylinders drive rolling wheels and two supporting wheels to perform radial action, the universal coupling is axially connected with the three hydraulic cylinders, and the PLC main frame controls action of a rolling terminal point and a turning cylinder. The full-automatic PLC threaded smoke pipe rolling machine requires no special power for driving a steel tube to rotate, requires no clamping on the steel tube and can realize automatic feed by means of a rolling cutting force and a resultant force of rotary motion of the supporting wheels so as to complete the whole process of feeding, rolling and discharging, thus greatly improving the production efficiency and obviously lowering the labor intensity. The full-automatic PLC threaded smoke pipe rolling machine has the advantages of accurate forming size, high heat transfer efficiency of a smoke pipe, less labor and time consumption, high quality, safety, novel design and rational structure, and is easy in operation and simple and convenient in maintenance.

Description

Full-automatic PLC threaded flue rolling mill

Technical field

The utility model relates to a kind of full-automatic PLC threaded flue rolling mill of processing boiler and pressure vessel usefulness threaded flue, belongs to the plant equipment field.

Background technology

The smoke evacuation and the heat exchange smoke pipe of a lot of band helixes are arranged in the boiler and pressure vessel, processed with light pipe by manufacturing firm, consumption is a lot.At present, each enterprise adopts two kinds of forms mostly for the processing of the helix on the threaded flue: a kind of is to transform lathe to process, and a kind of is to design and produce special tooling to process.Two kinds of form processings all are light pipe to be clamped on the chuck of lathe by frock, rely on the rotation of lathe spindle to drive the pipe revolution, go out helix in the surperficial extrusion process of light pipe.Two kinds of forms must artificial single loading and unloading, pipe of every processing is all by manual material loading, clamping, feed, blanking, production efficiency is low, labour intensity is big, the device fabrication cost the former than latter height, and each compact dimensions of screw thread also is to hold by artificial practical experience, and depth of thread size disunity influences the heat transfer efficiency of smoke pipe.

Summary of the invention

The purpose of this utility model is exactly the deficiency that overcomes above-mentioned form processing and equipment, designs that a kind of labour intensity that is specifically designed to rolling helix on light pipe is little, production efficiency is high, the full-automatic accurately PLC threaded flue rolling mill of compact dimensions.

The technical solution of the utility model is: the feed arrangement, helix rolling device, device for discharging and the PLC system that are arranged by direction linearly are that the full-automatic PCL threaded flue rolling mill that the line load control system is formed is provided with: make light pipe directly enter into the promotion cylinder of rolling starting point, make three hydraulic cylinders of rolling wheel, two support wheel radial actions and the Hooks coupling universal coupling that axially is connected with it, and the PLC main frame that moves of control rolling terminal point and stirring cylinder.Feed arrangement is made of feeding rack and the promotion cylinder, light pipe, the roller that are installed on the feeding rack, and the light pipe on the roller directly is pushed into the rolling starting point by promoting cylinder, and the rolling starting point is adjusted by the stroke that promotes cylinder.The helix rolling device is made of frame and rack-mounted rolling wheel, hydraulic cylinder and two support wheels, the layout of rolling wheel and two support wheels is consistent with the lead angle of helix and be connected with the PLC system, radially provide pressure and lifting power by three hydraulic cylinders, axially provide power by the Hooks coupling universal coupling that is installed in frame rear end respectively, Hooks coupling universal coupling is by motor-driven.There is the rolling cutter of circular arc stupefied on the rolling wheel, the wheel rim of each support wheel and horizontal plane inclination certain angle, the cutter of rolling wheel is stupefied to conform to the helix of want rolling with the line that the contact point of light pipe forms with the wheel limit of two support wheels.Device for discharging is made of unloading rack and the screwed pipe, material stirring-up mechanism, the U-lag that are installed on the unloading rack, the material stirring-up mechanism two ends are provided with support, be fixed with bearing on the support, bearing is connected with rotating shaft, rotating shaft one end is fixed with flat board, the U-lag mouth is installed on downwards on the flat board, and the rotating shaft other end is fixed with connecting rod and is connected with the stirring cylinder.

The beneficial effects of the utility model are: this machine no longer needs special power to drive the steel pipe rotation, do not need steel pipe is installed yet, rely on the gyration of rolling cutting force and support wheel to make a concerted effort to realize the steel pipe auto-feed, thereby finish the overall process of charging, rolling, discharging, boost productivity greatly, significantly reduce labour intensity, be specially adapted to the rolling processing in enormous quantities of different-diameter and length threaded flue, compact dimensions is accurate, smoke pipe heat transfer efficiency height, saving of work and time, high-quality and safety, modern design, rational in infrastructure, processing ease, maintenance are easy.

Description of drawings

Fig. 1 is that master of the present utility model looks schematic diagram.

Fig. 2 is that schematic diagram is looked on the right side of Fig. 1 helix rolling device.

Fig. 3 is that schematic diagram is looked on the left side of device for discharging among Fig. 1.

The specific embodiment

Describe details of the present utility model and working condition in detail in conjunction with Fig. 1, Fig. 2, Fig. 3.The feed arrangement, helix rolling device, device for discharging and the PLC system that are arranged by direction linearly are that the full-automatic PLC threaded flue rolling mill that the line load control system is formed is provided with: make light pipe 3 directly enter into the promotion cylinder 2 of rolling starting point, make three hydraulic cylinders 6 and the Hooks coupling universal coupling 8 that axially is connected with it of rolling wheel 5, two support wheel 11 radial actions, and the PLC main frame that moves of control rolling terminal point and stirring cylinder 14.Feed arrangement is made of feeding rack 1 and the promotion cylinder 2, light pipe 3, the roller 4 that are installed on the feeding rack 1, and the light pipe 3 on the roller 4 directly is pushed into the rolling starting point by promoting cylinder 2, and the rolling starting point is adjusted by the stroke that promotes cylinder 22.The helix rolling device is by frame 7 and the rolling wheel 5 that is installed on the frame 7, hydraulic cylinder 6 and two support wheels 11 constitute, the layout of rolling wheel 5 and two support wheels 11 is consistent with the lead angle of helix and be connected with the PLC system, radially provide pressure and lifting power by three hydraulic cylinders 6, axially provide power by the Hooks coupling universal coupling 8 that is installed in frame 7 rear ends respectively, Hooks coupling universal coupling 8 is driven by motor 12.There is the helix rolling cutter of circular arc stupefied on the rolling wheel 5, the wheel rim of each support wheel 11 and horizontal plane inclination certain angle, the cutter of rolling wheel 5 is stupefied to conform to the helix of want rolling with the line that the contact point of light pipe 3 forms with the wheel limit of two support wheels 11.After light pipe 3 arrives the rolling starting point, open master switch, hydraulic cylinder 6 and motor 12 move simultaneously, three hydraulic cylinders 6 promote rolling wheel 5 and two support wheel 11 extruding light pipes 3 respectively, light pipe 3 rotates with rolling wheel 5 and two support wheels 11 advances, rolling wheel 5 goes out continuous helix groove at light pipe 3 surface rollings, the length that the control of rolling terminal point is mainly processed by the smoke pipe screw thread, in the PLC system, set the total length and the clout length of smoke pipe, the sin θ value of screw thread, the pressure roller girth, discharging point etc., the PLC main frame is calculated the number of turns that pressure roller need rotate and the pulse of the required reception of Hall switch by the smoke pipe length gauge of default, realizes that the PLC system controls the rolling terminal point of light pipe 3 by the umber of pulse that detects Hall switch.Device for discharging is made of unloading rack 13 and the screwed pipe 9, material stirring-up mechanism 10, the U type groove 17 that are installed on the unloading rack 13, material stirring-up mechanism 10 two ends are provided with support 20, be fixed with bearing 19 on the support 20, bearing 19 is connected with rotating shaft 16, rotating shaft 16 1 ends are fixed with dull and stereotyped 18, U type groove is installed on downwards on dull and stereotyped 18 for 17 mouthfuls, and rotating shaft 16 other ends are fixed with connecting rod 15 and are connected with stirring cylinder 14.The switch order of stirring cylinder 14 is decided by the number of turns of measuring light pipe 3 rollings rotation by the PLC system, the above-mentioned number of turns draws fixed value by test, after screwed pipe 9 rollings finish, need enter smoothly by the thrust promotion screwed pipe 9 that light pipe 3 produces in the rolling process in the U type groove 17 on the unloading rack 13, and lean on the flat board 18 of U type groove 17 lower ends to hold, after in screwed pipe 9 enters U type groove 17 fully, rotating cycle by the PLC default detects the number of turns that light pipe 3 rotates, after light pipe 3 rotating cycles obtain setting value, the PLC system opens stirring cylinder 14, stirring cylinder 14 promotes connecting rod 15 and rotates up, the flat board 18 of the other end is rotated down simultaneously, U type groove 17 notches are opened, and screwed pipe 9 relies on deadweight to roll in the finished product basket that presets along dull and stereotyped 18.This machine no longer needs special power to drive the steel pipe rotation, do not need steel pipe is installed yet, rely on the gyration of rolling cutting force and support wheel to make a concerted effort to realize the steel pipe auto-feed, thereby finish the overall process of charging, rolling, discharging, boost productivity greatly, significantly reduce labour intensity, be specially adapted to the rolling processing in enormous quantities of different-diameter and length threaded flue, compact dimensions is accurate, smoke pipe heat transfer efficiency height, saving of work and time, high-quality and safety, modern design, rational in infrastructure, processing ease, maintenance are easy.

Claims (5)

1. full-automatic PLC threaded flue rolling mill, it is characterized in that: the full-automatic PLC threaded flue rolling mill that feed arrangement, helix rolling device, device for discharging and the PLC system that is arranged by direction linearly forms is provided with: make light pipe (3) directly enter into the promotion cylinder (2) of rolling starting point, make three hydraulic cylinders (6) of rolling wheel (5), two support wheels (11) radial action and the Hooks coupling universal coupling (8) that axially is connected with it, and the PLC main frame of control rolling terminal point and stirring cylinder (14) action.

2. full-automatic PLC threaded flue rolling mill according to claim 1, it is characterized in that: feed arrangement is by feeding rack (1) and be installed in promotion cylinder (2) on the feeding rack (1), light pipe (3), roller (4) and constitute, light pipe (3) on the roller (4) directly is pushed into the rolling starting point by promoting cylinder (2), and the rolling starting point is adjusted by the stroke that promotes cylinder (2).

3. full-automatic PLC threaded flue rolling mill according to claim 1, it is characterized in that: the helix rolling device is by frame (7) and be installed in rolling wheel (5) on the frame (7), hydraulic cylinder (6) and two support wheels (11) constitute, the layout of rolling wheel (5) and two support wheels (11) is consistent with the lead angle of helix and be connected with the PLC system, radially provide pressure and lifting power by three hydraulic cylinders (6), axially provide power by the Hooks coupling universal coupling (8) that is installed in frame (7) rear end respectively, Hooks coupling universal coupling (8) is driven by motor (12).

4. full-automatic PLC threaded flue rolling mill according to claim 1, it is characterized in that: device for discharging is by unloading rack (13) and be installed in screwed pipe (9) on the unloading rack (13), material stirring-up mechanism (10), U type groove (17) constitutes, material stirring-up mechanism (10) two ends are provided with support (20), be fixed with bearing (19) on the support (20), bearing (19) is connected with rotating shaft (16), rotating shaft (16) one ends are fixed with flat board (18), U type groove (17) mouth is installed on downwards on the flat board (18), and rotating shaft (16) other end is fixed with connecting rod (15) and is connected with stirring cylinder (14).

5. according to claim 1 or the described full-automatic PLC threaded flue rolling mill of claim 3, it is characterized in that: have the helix rolling cutter of circular arc stupefied on the rolling wheel (5), wheel rim of each support wheel (11) and horizontal plane inclination certain angle, the cutter of rolling wheel (5) is stupefied to conform to the helix of want rolling with the line that the contact point of light pipe (3) forms with the wheel limit of two support wheels (11).

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