CN105097257B - Transformer insulation oil channel automatic production line - Google Patents

Abstract

The invention belongs to the technical field of transformer insulating oil channel production, in particular to an automatic production line for transformer insulating oil channel. Including the control system and the paper tape feeding system, pad feeding system, glue supply system, pad sticking system, drying system and receiving system all connected with the control system, wherein the side of the paper tape feeding system is equipped with a pad Block feeding system, glue supply system and pad sticking system The front end of the paper tape feeding system is provided with a drying system and a receiving system in sequence along the paper tape conveying direction; the glue supply system is used for feeding the paper tape Paper tape dispensing on the system, the pad sticking system pastes the pads delivered by the pad feeding system on the tape sticking part on the paper tape to form a transformer insulating oil passage, and the transformer insulating oil passage passes through the drying The drying system enters the receiving system after drying. The invention has the advantages of large-scale production, high degree of automation and good product quality, and can automatically and accurately paste spacers of a certain shape and size onto the paper tape one by one.

Description

Transformer insulation oil channel automatic production line

technical field

The invention belongs to the technical field of transformer insulating oil channel production, in particular to an automatic production line for transformer insulating oil channel.

Background technique

With the wide application of industrial automation technology in China and the rapid development of control technology and intelligent technology, the transformer manufacturing industry not only requires the safety and reliability of the production process, but also hopes to achieve high efficiency and automation of the production process. In the process of transformer production, the application of automation equipment and automatic production lines has become the development trend of transformer production in the future.

At present, the manufacturing of insulating oil channels in domestic transformer factories all adopts manual pasting. Although the labor intensity is not high, it is boring, the labor productivity is low, and the product quality is unstable.

Contents of the invention

In view of the above problems, the object of the present invention is to provide an automatic production line for transformer insulating oil channels. The production line is large-scale production, with high degree of automation and good product quality, and can automatically and accurately paste pads of a certain shape and size onto the paper tape one by one.

In order to achieve the above object, the present invention adopts the following technical solutions:

An automatic production line for transformer insulating oil channels, including a control system and a paper tape feeding system, a pad feeding system, a glue supply system, a pad pasting system, a drying system and a material receiving system all connected to the control system, wherein the paper The side of the belt feeding system is equipped with a pad feeding system, a glue supply system and a pad sticking system, and the front end of the paper tape feeding system is provided with a drying system and a material receiving system in sequence along the paper tape conveying direction; The glue supply system is used for dispensing glue to the paper tape on the paper tape feeding system, and the pad sticking system sticks the pad delivered by the pad feeding system to the tape sticking part on the paper tape to form transformer insulating oil The transformer insulating oil channel is dried by the drying system and then enters the receiving system.

The paper tape feeding system includes a paper tape unwinding mechanism and a paper tape transmission mechanism, wherein the paper tape unwinding mechanism includes a motor, a tension wheel and an unwinding roller, and the unwinding roller wound with the paper tape is connected to the motor and passed through The motor is driven to rotate and unwind, and the paper tape is connected to the paper tape conveyor belt after passing through the tension wheel, and is forwarded through the paper tape conveyor belt.

The pad feeding system includes a pad feeding mechanism, a pad chamfering mechanism, a pad shearing mechanism and a pad turning transmission mechanism arranged in sequence along the pad conveying direction. The direction is vertical, and the pads are conveyed forward by the pad feeding mechanism, and then chamfered and cut by the pad chamfering mechanism and the pad shearing mechanism respectively to form a pad, and the pad falls into the pad and turns on the transfer mechanism. The strip feeding mechanism includes rollers arranged in parallel up and down, and the strips are clamped by the upper and lower rollers and transported forward.

The pad turning transmission mechanism includes a pad horizontal conveyor belt and a pad vertical conveyor belt, the pad horizontal conveyor belt is parallel to the pad conveying direction, and is located above the side of the pad vertical conveyor belt, and the pad vertical conveyor belt is connected to the pad vertical conveyor belt. The paper conveyor belts are parallel; the pads are conveyed forward through the horizontal conveyor belts of the pads and land on the vertical conveyor belts of the pads to realize turning and conveying.

An electrostatic precipitator system for removing debris on the pad is provided between the pad cutting mechanism and the pad turning transmission mechanism. There are two paper conveyor belts arranged in parallel, two sets of pad feeding systems are provided on both sides of the two paper conveyor belts, and two pads on each side face each other perpendicular to the conveying direction of the conveyor belt.

The glue supply system includes a hydraulic cylinder mounting bracket, a dispensing needle bracket, a hydraulic cylinder, a dispensing needle, a dispensing needle, a guide rod and a photoelectric sensor, wherein the hydraulic cylinder is installed on the hydraulic cylinder mounting frame, and the output end is connected to the point The dispensing needle bracket is connected with a plurality of dispensing needles on the dispensing needle bracket, the dispensing needle is arranged at the lower end of the dispensing needle, and the hydraulic cylinder mounting frame is arranged along the output direction of the hydraulic cylinder. There are two guide rods, the two sides of the dispensing needle tube bracket are respectively slidingly connected with the two guide rods, and the photoelectric sensor is arranged on the hydraulic cylinder installation frame and connected with the control system.

The inside of the dispensing needle tube is separated into an upper and lower air chamber and a glue feeding chamber by a piston, and the air chamber and the glue feeding chamber are respectively provided with a compressed air inlet and a glue inlet; the air The compressed air in the chamber pushes the piston to move down, so that the glue in the glue feeding chamber is pressed out from the dispensing needle.

The pad sticking system includes two sets of parallel manipulators, the two sets of manipulators are respectively arranged on both sides of the paper tape feeding system, and the manipulators grab the pads and place them on the paper tape that has been coated with glue to be pasted. Tighten after the part.

Advantage of the present invention and beneficial effect are:

1. The present invention solves the problems of scattered processing, uneven quality, waste of manpower and equipment resources, etc. in the production of transformer insulating oil passages, so as to improve labor productivity, improve product quality, save comprehensive manufacturing costs, and reduce personal injuries and injuries of workers. The target of labor burden.

2. The large-scale production of the present invention has high degree of automation and good product quality, and can automatically and accurately paste pads of a certain shape and size onto the paper tape one by one.

Description of drawings

Fig. 1 is a flow chart of the present invention;

Fig. 2 is a plane layout diagram of the present invention;

Fig. 3 is the structural representation of pad strip rounding mechanism of the present invention;

Fig. 4 is the structural representation of steering mechanism of the present invention;

Fig. 5 is the structural representation of the dispensing mechanism of the present invention;

Fig. 6 is a schematic structural view of the pad sticking mechanism of the present invention;

Fig. 7 is a schematic structural view of the drying mechanism of the present invention;

Fig. 8 is a block diagram of the control system of the present invention.

Among them: 1 is the paper tape unwinding mechanism, 2 is the glue supply system, 3 is the pad sticking system, 4 is the receiving system, 5 is the drying system, 6 is the first pad feeding mechanism, 7 is the first cutting Chamfering mechanism, 8 is the electrostatic dust removal system, 9 is the second cutting and chamfering mechanism, 10 is the second pad feeding mechanism, 11 is the dust removal system, 12 is the third pad feeding mechanism, 13 is the third cutting and chamfering mechanism Angle mechanism, 14 is the fourth cutting and chamfering mechanism, 15 is the fourth pad feeding mechanism, 16 is the control system, 17 is the pad steering transmission mechanism, 18 is the roller, 19 is the pad, 20 is the chamfering mechanism, 21 is the vertical conveyor belt of the pad, 22 is the pad, 23 is the horizontal conveyor belt of the pad, 24 is the hydraulic cylinder, 25 is the dispensing needle tube, 26 is the compressed air inlet, 27 is the glue inlet, 28 is the dispensing needle, 29 is the guide Rod, 30 is the left paper tape conveyor belt, 31 is the vertical conveyor belt of the left pad, 32 is the left manipulator, 33 is the left manipulator arm, 34 is the right manipulator arm, 35 is the right manipulator, 36 is the right pad vertical conveyor belt, 37 is Right paper tape conveyor belt, 38 is the left insulating oil passage, and 39 is the right insulating oil passage, and 40 is the electric heating belt, and 41 is the driving wheel.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1 and 2, the present invention includes a control system 16 and a tape feeding system, a pad feeding system, a glue supply system 2, a pad sticking system 3, and a drying system 5 that are all connected to the control system 16. And receiving system 4, wherein the side of paper tape feeding system is provided with pad feeding system, glue supply system 2 and pad sticking system 3, and the front end of described paper tape feeding system is provided with in turn along paper tape conveying direction Drying system 5 and receiving system 4; the glue supply system 2 is used for dispensing glue to the paper tape on the paper tape feeding system, and the pad sticking system 3 transfers the pads of the pad feeding system 22 Pasted on the tape pasting part on the paper tape to form a transformer insulating oil passage, the transformer insulating oil passage is dried by the drying system 5 and then enters the receiving system 4, and the receiving system 4 insulates the dried transformer The oil passages are cut into strips of fixed length and finally packed into boxes.

The paper tape feeding system is two groups arranged in parallel, and each group of paper tape feeding systems includes a paper tape unwinding mechanism 1 and a paper tape conveyor belt, and the paper tape feeding system includes a paper tape unwinding mechanism 1 and a paper tape feeding system. Belt transmission mechanism, wherein the paper tape unwinding mechanism includes a motor, a tension wheel and an unwinding roller. The unwinding roller wrapped with paper tape is connected to the motor, and is driven by the motor to rotate and unwind. The paper tape conveyor is connected and forwarded by the paper tape conveyor. The paper tape unwinding mechanism 1 is driven by a torque motor, and the paper tape unwinding is completed through tension control. The paper tape conveyor belt transports the paper tape to a precise position, waiting for gluing and pasting pads.

Both sides of the two paper tape feeding systems are provided with two spacer feeding systems, which are used to transfer, chamfer and cut the raw material spacers 19 into spacers 22 . Each pad feeding system includes a pad feeding mechanism, a pad chamfering mechanism 20, a pad shearing mechanism and a pad turning transfer mechanism 17 arranged in sequence along the conveying direction of the pad 19, and the pad 19 The conveying direction is perpendicular to the tape conveying direction. The strip feeding mechanism includes rollers 18 arranged in parallel up and down, and the strips 19 are clamped by the upper and lower rollers 18 and transported forward, as shown in FIG. 3 . The pad 19 is conveyed forward by the pad feeding mechanism and enters the round knife chamfering mechanism 20, and the pad 19 is poured out into a fillet of a specified size. After coming out of the chamfering mechanism 20, the roller 18 sends the pad 19 to Shear mechanism. The feeding speed, displacement and the cutting wheel speed of the shearing machine are controlled by the program, and the cutting mechanism cuts the pad 19 into pads 22 of a set size. The pads 22 fall onto the pad turning transfer mechanism 17 . The number of the tape feeding system and the pad feeding system is set according to needs.

As shown in Figure 4, the pad turning transmission mechanism 17 includes a pad horizontal conveyor belt 23 and a pad vertical conveyor belt 21, and the pad horizontal conveyor belt 23 is parallel to the pad conveying direction and is positioned at the side of the pad vertical conveyor belt 21 Above, the pad vertical conveyor belt 21 is parallel to the paper tape conveyor belt; the pad 22 is conveyed forward by the pad horizontal conveyor belt 23 and falls on the pad vertical conveyor belt 21 to realize turning and conveying. An electrostatic dust removal system 8 for removing debris on the pad 22 is provided between the pad shearing mechanism and the pad turning transmission mechanism 17. After the pad 22 passes through the electrostatic precipitator system, the pad 22 sticks to the pad 22 after being removed and cut. The crumbs on the surface can be glued tightly when pasting. The electrostatic precipitator system 8 is a prior art. The two pads arranged on the same side of the paper conveyor belt are opposite to the conveying direction of the vertical conveyor belt 21 .

As shown in Figure 5, the glue supply system 2 includes a hydraulic cylinder mounting frame, a dispensing needle bracket, a hydraulic cylinder 24, a dispensing needle 25, a dispensing needle 28, a guide rod 29 and a photoelectric sensor, wherein the hydraulic cylinder 24 is installed On the mounting frame of the hydraulic cylinder, and the output end is connected with the dispensing needle bracket, the dispensing needle bracket is provided with a plurality of dispensing needles 25, and the dispensing needle 28 is arranged at the end of the dispensing needle 25 . Two guide rods 29 are arranged on the hydraulic cylinder mounting frame along the output direction of the hydraulic cylinder 24 , and the two sides of the dispensing needle bracket are respectively slidably connected with the two guide rods 29 . The interior of the dispensing needle tube 25 is separated by a piston into an upper and lower air chamber and a glue feeding chamber, and the air chamber and the glue feeding chamber are respectively provided with a compressed air inlet 26 and a glue inlet 27 . The photoelectric sensor is arranged at the bottom of the hydraulic cylinder installation frame and is connected with the control system 16

When the photoelectric sensor detects that the paper tape arrives, the photoelectric sensor transmits the signal to the control system 16, and the control system 16 sends an electric signal to control the solenoid valve to open, and the glue is pumped into the glue feeding chamber at the bottom of the dispensing needle tube 25 through the glue inlet 27, Compressed air is sent into the compressed air chamber on the top of the dispensing needle tube 25 through the compressed air inlet 26 . When the piston was in the upper stroke, the glue feeding chamber was filled with glue, and when the piston was pushed down, the glue was pressed out from the dispensing needle 28, and the glue was applied on the paper tape conveyed forward. The dispensing needle tube 25 is driven by the hydraulic cylinder 24 and guided by the guide rod 29 to move up and down in the vertical direction. The glue supply system 2 controls the amount of glue conveyed through a solenoid valve, and controls its action sequence through a PLC.

As shown in Figure 6, the pad sticking system 3 includes two groups of identical parallel manipulators, the two manipulators are respectively the left manipulator 32 and the right manipulator 35 arranged on both sides of the paper tape conveyor belt, the left manipulator 32 and the right manipulator 35 respectively with left manipulator arm 33 and right manipulator arm 34, can realize horizontal rotation and move up and down. The left and right mechanical grippers (using clamp mode) 32, 35 can rotate horizontally around the axis, and can realize clamping and loosening actions. Left and right pad vertical conveyor belts 31,36 are arranged in parallel with left and right paper tape conveyor belts 30,37. When the pads are transmitted into the pasting mechanism through the left and right pad vertical conveyor belts 31, 36, the sensor detects a level signal, and the PLC controls the left and right manipulator arms 33, 34 to rotate horizontally after collecting the signals, and move vertically up and down to position After reaching the spacer 22, the left and right manipulators 32, 35 grab the spacer 22, and the left and right manipulator arms 33, 34 rotate inwards, position the paper tape to adjust the lowering position, and place the spacer 22 on the paper tape coated with glue (located on the left and right tape conveyor belts 30,37 just above) and compress. After unclamping, left and right manipulator 32,35 forward respectively to left and right pad vertical conveyer belt 31,36 tops, carry out next action, pad sticking system 3 guarantees pad picking reliability and pasting position accuracy. The paper tape pasted on the pad is the transformer insulating oil passage, and the transformer insulating oil passage enters the drying system 5 after coming out of the pad sticking system 3 .

As shown in FIG. 7 , the drying system 5 includes an electric heating belt 40 , and the electric heating belt 40 is arranged below the paper tape conveyor belt. When the transformer insulating oil channel was delivered to the top of the electric heating belt 40, the heating heating belt 40 dried the glue.

As shown in Fig. 8, described control system (prior art) comprises PLC and upper computer, paper tape feeding system, pad feeding system, glue supply system 2, pad sticking system 3, drying system 5 and receiving The material system 4 is connected to the PLC, each sensor transmits the signal to the PLC, and the PLC collects the data and transmits the data to the upper computer, and the upper computer controls the above subsystems and auxiliary equipment to work normally according to the specified working cycle and interlocking requirements.

The size of the paper tape used in this embodiment is as follows: the thickness of the paper tape is 0.2mm-0.5mm, the width of the paper tape is 5-30mm, and the material of the paper tape is kraft paper. Block specifications and dimensions: block width is 12mm, block length (same as paper tape width) is 5-30mm, block thickness is 4mm-25mm, block material is kraft cardboard.

Claims (8)

1. a kind of transformer insulated oil duct automatic production line it is characterised in that: include control system (16) and all with control be System (16) connect paper tape feeding system, cushion block feeding system, glue feed system (2), cushion block affixing system (3), dry system System (5) and material-receiving system (4), the side of wherein paper tape feeding system is provided with cushion block feeding system, glue feed system (2) and pad Block affixing system (3), the front end edge paper tape direction of transfer of described paper tape feeding system is sequentially provided with drying system (5) and rewinding system System (4)；Described glue feed system (2) is used for paper feeding with the paper tape dispensing on feeding system, and described cushion block affixing system (3) will Position pasted by the band that the cushion block (22) of described cushion block feeding system transmission is pasted on paper tape, forms transformer insulated oil duct, institute State transformer insulated oil duct and enter material-receiving system (4) after drying system (5) drying；

Described paper tape feeding system includes paper tape unreeling structure (1) and paper tape conveying mechanism, and wherein paper tape unreeling structure includes electricity Machine, expansion tightening wheel and let off roll, the let off roll being wound with paper tape is unreeled with motor connection and by the driving rotation of motor, paper tape It is connected with paper tape conveyer belt after expansion tightening wheel and forwarded by paper tape conveyer belt；

Described cushion block feeding system includes filler strip feed mechanism, the filler strip chamfer mechanism setting gradually along filler strip direction of transfer (20), filler strip cutting mechanism and cushion block turn to connecting gear (17), and described filler strip direction of transfer is vertical with paper tape direction of transfer, pad Bar is fed forward by filler strip feed mechanism and passes sequentially through filler strip chamfer mechanism (20) and filler strip cutting mechanism is fallen respectively Angle and shearing, form cushion block (22), and described cushion block (22) falls into cushion block and turns on connecting gear (17).

2. the transformer insulated oil duct automatic production line as described in claim 1 it is characterised in that: described filler strip feed mechanism Including roller (18) arranged in parallel up and down, filler strip is clamped by upper bottom roller (18) and is fed forward.

3. the transformer insulated oil duct automatic production line as described in claim 2 it is characterised in that: described cushion block turns to transmission Mechanism (17) includes cushion block horizontal conveying belt (23) and cushion block vertical conveyors (21), described cushion block horizontal conveying belt (23) and pad Bar direction of transfer parallel and be located at cushion block vertical conveyors (21) side above, described cushion block vertical conveyors (21) with described Paper tape conveyer belt is parallel；Described cushion block (22) is fed forward and is fallen by cushion block horizontal conveying belt (23) and vertically transmits in cushion block On band (21), realize turning to conveying.

4. the transformer insulated oil duct automatic production line as described in claim 3 it is characterised in that: described filler strip cutting mechanism And cushion block turns to the electrostatic precipitation system (8) being provided between connecting gear (17) for removing the chip on cushion block (22).

5. the transformer insulated oil duct automatic production line as described in claim 3 it is characterised in that: described paper tape conveyer belt is Two and be arranged in parallel, the both sides of two paper tape conveyer belts are equipped with cushion block feeding system described in two groups, and every side two cushion block The direction of transfer of vertical conveyors (21) is opposite.

6. the transformer insulated oil duct automatic production line as described in claim 1 it is characterised in that: described glue feed system (2) hydraulic cylinder installing rack, dispensing needle tubing bracket, hydraulic cylinder (24), dispensing needle tubing (25), dispensing needle head (28), guide rod are included (29) and photoelectric sensor, wherein hydraulic cylinder (24) be arranged on hydraulic cylinder installing rack and outfan with dispensing needle tubing bracket even Connect, described dispensing needle tubing bracket is provided with multiple dispensing needle tubings (25), described dispensing needle head (28) is arranged at dispensing needle tubing (25) Bottom, on described hydraulic cylinder installing rack, the outbound course along hydraulic cylinder (24) is provided with two guide rods (29), described plastic pin The both sides of pipe carrier are slidably connected with two guide rods (29) respectively, described photoelectric sensor be arranged on hydraulic cylinder installing rack and It is connected with control system (16).

7. the transformer insulated oil duct automatic production line as described in claim 6 it is characterised in that: described dispensing needle tubing (25) Inside is isolated into the air chamber of upper and lower setting by piston and enters glue chamber, and described air chamber is distinguished on glue chamber with entering It is provided with compressed air inlet port (26) and glue import (27)；Compressed air in described air chamber promotes piston to moving down Dynamic, so that the glue entering glue within the chamber extrudes in dispensing needle head (28).

8. the transformer insulated oil duct automatic production line as described in claim 1 it is characterised in that: described cushion block affixing system (3) two groups of mechanical hands in parallel are included, two groups of mechanical hands are respectively arranged at the both sides of paper tape feeding system, and described mechanical hand will pad Block (22) captures and compresses after being placed on the position to be pasted having coated glue on paper tape.