CN111196057B

CN111196057B - Hard board paper tube forming machine for transformer

Info

Publication number: CN111196057B
Application number: CN202010179010.1A
Authority: CN
Inventors: 郑胜友; 黄美园; 孔莉; 张平志
Original assignee: Jiangxi Yifa Electric Power Technology Shares Co ltd
Current assignee: Jiangxi Yifa Electric Power Technology Shares Co ltd
Priority date: 2020-03-15
Filing date: 2020-03-15
Publication date: 2021-05-07
Anticipated expiration: 2040-03-15
Also published as: CN111196057A

Abstract

A hard board paper tube forming machine for a transformer belongs to the technical field of transformer production and comprises a support, a motor, a rolling part, a follow-up part, a magnetic suction part and a humidity adjusting part. The motor is installed to support middle part side, the installation is rolled the portion in the middle of the support, it is used for a shaping cardboard section of thick bamboo to roll the portion, roll and install follow-up portion in the portion, follow-up portion follows the rotation of roll portion, a front end for fixed cardboard, still install magnetism portion of inhaling on the support, when follow-up portion rotates near the magnetism portion of inhaling, magnetism portion of inhaling is adsorbed to follow-up portion on, accomplish the terminal fixed of cardboard, in addition, the humidifying portion is still installed at the support top, be used for the cardboard humidifying, the cardboard shaping of being convenient for.

Description

Hard board paper tube forming machine for transformer

Technical Field

The invention belongs to the technical field of transformer production, and particularly relates to a hard board paper tube forming machine for a transformer.

Background

Cardboard cylinders are often used as insulation in the windings of transformers, while improving the mechanical strength of the windings. The paperboard cylinder is formed by enclosing a paperboard, and the procedures of blanking, groove milling, forming, drying and shaping, groove adhering and the like are required. The forming process comprises two methods, namely, after the paperboard is subjected to moisture adjustment, the paperboard is rounded by a rounding machine or is formed by a winding die.

The current round as a ball machine commonly used makes the cardboard form the radian by a compression roller and a pair of backing roll interact, and the compression roller rolls and forms the radian with whole cardboard gradually, so many times finally make the cardboard form a cardboard section of thick bamboo. The main drawback of this process is the difficulty in ensuring the roundness of the cardboard tube.

Disclosure of Invention

The invention provides a hard board paper tube forming machine for a transformer, which aims to solve the problems in the background technology.

The technical problem solved by the invention is realized by adopting the following technical scheme:

a hard board paper tube forming machine for a transformer comprises a support, a motor, a rolling part, a following part, a magnetic part and a humidity regulating part. The motor is installed to support middle part side, and the installation rolls the portion in the middle of the support, and the installation follow-up portion on rolling the portion, follow-up portion follow the portion of rolling and rotate, still installs magnetism portion of inhaling on the support, and when the follow-up portion rotated magnetism portion of inhaling nearby, magnetism portion of inhaling was adsorbed to follow-up portion on, accomplished the terminal fixed of cardboard, and humidifying portion is still installed at the support top. The support includes base, compression roller axle, goes up compression roller, stores pylon, crossbeam, lateral part boss and reversing switch, and the base stands in ground, and support upper portion installation compression roller axle installs the compression roller on the compression roller axle, goes up the compression roller and can be driven on the compression roller axle. A pair of hanging racks is further installed on the front side above the support, a pair of hooks are arranged on each hanging rack, magnetic suction parts are placed on the hooks, and the upper position and the lower position of each pair of hooks on each hanging rack are located on an extension line (normal direction) of the diameter of the mold. The inner side of the bracket is provided with a reversing switch, the installation position of the reversing switch is matched with the position of the ejector rod of the follow-up part, and the reversing switch is electrically connected with a control circuit of the motor. The motor drives the mould to rotate, and the motor can adjust the speed and the steering.

The rolling part comprises a mold, a shaft end boss and a mold rotating shaft, and the mold is a paperboard forming mold. The centers of the two ends of the die are provided with shaft end bosses, the shaft end bosses are provided with follow-up parts, the centers of the two ends of the die are also provided with die rotating shafts, and the die rotating shafts are arranged on the bracket and connected to the motor. The follow-up part comprises a follow-up rod, a push rod, a rocker, a follow-up rod, a bevel groove and a magnetic suction hole, the rockers are installed at two ends of the follow-up rod and are inserted into shaft end bosses of the rolling part, the follow-up part rotates along with the rotation of the die, the push rod is arranged at one end of one side of the follow-up rod, and the push rod is matched with the reversing switch to realize the control of the motor steering. A follow-up stick is arranged between the rocking bars and used for fixing the front end of the paper board. The front end surface of the follower rod is provided with a bevel groove. The magnetic suction part comprises a magnetic suction stick, a magnetic suction frame, a magnetic suction box, a magnetic suction boss and a hanging point, the magnetic suction stick is connected to the magnetic suction frame, the inner sides of the two ends of the magnetic suction frame are respectively provided with a pair of hanging points, the magnetic suction part is hung on a hook by the hanging points, the direction of the magnetic suction part is an extension line of the diameter of a mold, the top of the magnetic suction frame is provided with the magnetic suction box, and when the follow-up part rotates to the position close to the hanging position of the magnetic suction part along with the mold, the magnetic suction box. The rear end face of the magnetic suction box adopts a fillet design, so that the magnetic suction box is convenient to be adsorbed at the correct position of the follower rod.

Further, the support top has the crossbeam, and humidifying portion is including connecting, steam box and connecting rod, connects the steam source, for the steam box provides steam, and the steam box downward sloping is for the cardboard humidifying that will get into the mould, and steam box rear portion has the connecting rod, and the connecting rod is installed humidifying portion on the crossbeam.

Furthermore, a side boss is arranged in the middle of one side of the support, and the motor is mounted on the side boss.

Furthermore, the front end face of the follower rod is also provided with a magnetic suction hole, the magnetic suction hole further limits the position of the magnetic suction part adsorbed on the follower part, the magnetic suction box is also provided with a magnetic suction boss, and the magnetic suction boss is matched with the magnetic suction hole of the follower part to further realize magnetic suction and positioning.

The invention has the beneficial effects that:

the steam box is used for forming the hard paperboard cylinder in the production process of the transformer, can realize good roundness of the paperboard cylinder, avoids shape correction after the paperboard cylinder is formed, is provided with the steam box, can carry out humidity adjustment operation on the paperboard according to requirements, and is beneficial to forming the paperboard cylinder.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a partial schematic view of a stent of the present invention;

FIG. 5 is a schematic view of a follower stick of the present invention;

FIG. 6 is a schematic view of the magnetic suction stick of the present invention;

in the figure: 10. the magnetic suction device comprises a bracket, 11 parts of a base, 12 parts of a compression roller shaft, 13 parts of an upper compression roller, 14 parts of a hanging rack, 141 parts of a hook, 15 parts of a cross beam, 16 parts of a side boss, 17 parts of a reversing switch, 20 parts of a motor, 30 parts of a rolling part, 31 parts of a mould, 32 parts of a shaft end boss, 33 parts of a mould rotating shaft, 40 parts of a follow-up part, 41 parts of a follow-up rod, 42 parts of a push rod, 43 parts of a rocker, 44 parts of a follow-up rod, 45 parts of a bevel groove, 46 parts of a magnetic suction hole, 50 parts of a magnetic suction part, 51 parts of a magnetic suction rod, 52 parts of a magnetic suction rack, 53 parts of a magnetic suction box, 54 parts of a magnetic suction boss, 55 parts of a hanging point.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that, in the present invention, the hanger according to the present invention further depends on other components, such as a motor, a controller, a hook, etc., which are common components in the field of hangers, and according to the description of the present specification and with reference to the attached drawings, those skilled in the art can easily obtain and implement technical features not given in the present invention. This does not mean that the solution can be run without these components.

Referring to fig. 1-6, the hard board paper tube forming machine for a transformer includes a bracket 10, a motor 20, a rolling unit 30, a follower unit 40, a magnetic unit 50, and a humidity control unit 60. The motor 20 is installed to side in the middle of support 10, roll portion 30 is installed in the middle of support 10, roll portion 30 is used for forming a cardboard section of thick bamboo, install follow-up portion 40 on roll portion 30, follow-up portion 40 follows roll portion 30 and rotates for the front end of fixed cardboard, still install magnetism portion 50 on the support 10, when follow-up portion 40 rotates near magnetism portion 50, magnetism portion 50 adsorbs to follow-up portion 40 on, accomplish the terminal fixed of cardboard, in addition, humidifying portion 60 is still installed at the top of support 10, be used for the cardboard humidifying, be convenient for the cardboard shaping.

The support 10 comprises a base 11, a press roll shaft 12, an upper press roll 13, a hanging rack 14, a cross beam 15, a side boss 16 and a reversing switch 17, wherein the base 11 stands on the ground, the press roll shaft 12 is installed on the upper portion of the support 10, the upper press roll 13 is installed on the press roll shaft 12, and the upper press roll 13 can be driven on the press roll shaft 12 and used for pressing a paperboard. The front side above the support 10 is further provided with a pair of hangers 14, each hanger 14 is provided with a pair of hooks 141, and the magnetic attraction part 50 is placed on the hook 141, where it should be noted that the upper and lower positions of the pair of hooks 141 on each hanger 14 should be located on the extension line (normal direction) of the diameter of the mold 31, so that the magnetic attraction frame 52 of the magnetic attraction part 50 is located on the extension line of the diameter of the mold 31 when the magnetic attraction part 50 is placed thereon. The top of the bracket 10 is provided with a cross beam 15, the middle part of one side of the bracket 10 is provided with a side boss 16, the inner side of the bracket 10 is provided with a reversing switch 17, the installation position of the reversing switch 17 is matched with the position of a mandril 42 of the follow-up part 40, and the reversing switch 17 is electrically connected with a control circuit of the motor 20 and used for controlling the forward rotation and the reverse rotation of the motor 20.

The motor 20 is installed on the side boss 16, and the motor 20 drives the mold 31 to rotate, and the motor 20 is selected to be a motor with adjustable speed and adjustable steering.

The rolling part 30 comprises a die 31, a shaft end boss 32 and a die rotating shaft 33, wherein the die 31 is a paperboard forming die, and the diameter of the die is consistent with that of a paperboard cylinder to be formed. The centers of two ends of the die 31 are provided with shaft end bosses 32, the shaft end bosses 32 are provided with the follow-up parts 40, the centers of two ends of the die 31 are also provided with die rotating shafts 33, and the die rotating shafts 33 are arranged on the bracket 10 and connected to the motor 20.

The follow-up part 40 comprises a follow-up rod 41, a top rod 42, a rocker 43, a follow-up rod 44, a bevel groove 45 and a magnetic suction hole 46, the rocker 43 is arranged at two ends of the follow-up rod 41, the rocker 43 is inserted on the shaft end boss 32 of the rolling part 30, the follow-up part 40 rotates along with the rotation of the die 31, the top rod 42 is arranged at one end of one side of the follow-up rod 41, the top rod 42 is matched with the reversing switch 17 to realize the control of the rotation direction of the motor 20, and when the top rod 42 touches the reversing switch 17, the motor 20 automatically changes the rotation direction. A follow-up roller 44 is arranged between the rocker arms 43, the gap between the follow-up roller 44 and the die 31 is the thickness of the paper board, and the follow-up roller 44 is used for fixing the front end of the paper board. The front end surface of the follower rod 41 is provided with a bevel groove 45, and the bevel groove 45 enables the magnetic part 50 to be more easily magnetically attracted and positioned at the right position of the follower rod 41. The front end surface of the follower rod 41 is also provided with a magnetic attraction hole 46, and the magnetic attraction hole 46 further defines the position where the magnetic attraction part 50 is attracted to the follower rod 41. Of course, in order to realize the magnetic attraction, the materials of the follower lever 41 and the magnetic attraction case 53 should be materials having magnetism and the magnetic poles thereof should be noted at the time of mounting.

Magnetic part 50 includes magnetism stick 51 of inhaling, magnetism is inhaled frame 52, magnetism box 53, magnetism is inhaled boss 54 and is hung a point 55, magnetism stick 51 of inhaling is connected on magnetism frame 52, magnetism frame 52 both ends inboard respectively has a pair of hanging point 55, hang point 55 and inhale magnetic part 50 and hang and put on couple 141, its direction is the extension line of mould 31 diameter, magnetism is inhaled the frame 52 top and is had magnetism and inhale box 53, when follow-up part 40 rotates along with the mould to the position of hanging of magnetic part 50 and put nearby, magnetism is inhaled box 53 and is adsorbed on follow-up rod 41, consequently, magnetism is inhaled box 53's structural dimension and follow-up rod 41's structural dimension and should match each other. The rear end face of the magnetic attraction box 53 is designed to be rounded, so that the magnetic attraction box 53 can be conveniently adsorbed at the correct position of the follower rod 41, the magnetic attraction box 53 is also provided with a magnetic attraction boss 54, and the magnetic attraction boss 54 is matched with the magnetic attraction hole 46 of the follower part 40 to further realize magnetic attraction and positioning.

The humidifying part 60 comprises a joint 61, a steam box 62 and a connecting rod 63, the joint 61 is connected with a steam source and provides steam for the steam box, the steam box 62 inclines downwards to humidify the paperboard entering the mold 31, of course, for the stability of the paperboard humidifying process, the paperboard can be subjected to humidifying operation in advance and then sent to the forming machine, and the humidity of the paperboard is finely adjusted by using the humidifying part 60 before being sent to the forming machine so as to be more beneficial to forming the paper tube. The steam box 62 has a connecting rod 63 at the rear, and the connecting rod 63 mounts the humidifying section 60 on the cross member 15.

The working principle of the invention is as follows: firstly, the following part 40 is reset to the position shown in fig. 1, the magnetic part 50 is hung on the correct position of the hook 141, the humidity adjusting part 60 is opened, the paper board is sent into the die 31 and the upper press roll 13, and further sent to the lower part of the following roller 44, the motor 20 is started, the paper tube is rolled at a slow speed and synchronously sent into the paper board, when the following part 40 rotates to approach a circle and reaches the vicinity of the magnetic part 50, the paper board approaches the tail end, at this time, the magnetic part 50 is adsorbed on the following part 40 to form a double-wheel mechanism, at this time, the magnetic roller 51 of the magnetic part 50 is just pressed on the tail end of the paper board, and the following roller 44 is pressed on the front end of the paper board all the time to form a complete paper tube, at this time, the ejector rod 42 of the following part 40 touches the reversing switch 17 to trigger the motor 20 to reverse rotation, the die 31 rotates in the opposite direction, the shape of the paper tube is further solidified by the upper press roll, the other end of the ejector rod 42 contacts the reversing switch 17, the motor 20 turns over again, and the operation is repeated in this way, so that the paper tube which is just formed is repeatedly pressed to form a regular paper tube, and of course, as the rolling of the paper tube is carried out, the speed can be gradually increased in the subsequent rotation until the paper tube with a regular and stable shape is obtained.

The above embodiments mainly describe the cardboard cylinder forming machine for a transformer of the present invention. While only a limited number of embodiments and features have been described, those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and various modifications and alternative arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A hard board paper tube forming machine for a transformer comprises a support (10), a motor (20), a rolling part (30), a follow-up part (40), a magnetic suction part (50) and a humidity regulating part (60), and is characterized in that the motor (20) is installed on the side of the middle of the support (10), the rolling part (30) is installed in the middle of the support (10), the follow-up part (40) is installed on the rolling part (30), the follow-up part (40) rotates along with the rolling part (30), the magnetic suction part (50) is also installed on the support (10), the humidity regulating part (60) is also installed at the top of the support (10), the support (10) comprises a base (11), a press roll shaft (12), an upper press roll roller (13), a hanging rack (14), a cross beam (15), a side boss (16) and a reversing switch (17), the base (11) is arranged on the ground, the press roll shaft (12) is installed on the upper portion of the support (10), the press roll shaft (, the upper compression roller (13) can be driven on the compression roller shaft (12), a pair of hangers (14) are further installed on the front side above the support (10), each hanger (14) is provided with a pair of hooks (141), the upper position and the lower position of each pair of hooks (141) on each hanger (14) are located on an extension line of the diameter of the mold (31), a reversing switch (17) is installed on the inner side of the support (10), the installation position of the reversing switch (17) is matched with the position of an ejector rod (42) of the follow-up part (40), the reversing switch (17) is electrically connected with a control circuit of the motor (20), the rolling part (30) comprises a mold (31), a shaft end boss (32) and a mold rotating shaft (33), the mold (31) is a paperboard forming mold, shaft end bosses (32) are arranged in the centers of two ends of the mold (31), the follow-up part (40) is installed on each shaft end boss (32), and mold rotating shafts (33), the mold rotating shaft (33) is installed on the support (10) and connected to the motor (20), the follow-up part (40) comprises a follow-up rod (41), ejector rods (42), rocker rods (43), a follow-up rod (44) and an inclined opening groove (45), the rocker rods (43) are installed at two ends of each follow-up rod (41), the rocker rods (43) are inserted into shaft end bosses (32) of the rolling part (30), the follow-up part (40) rotates along with the rotation of the mold (31), the ejector rods (42) are arranged at one end of one side of each follow-up rod (41), the ejector rods (42) are matched with the reversing switch (17) to control the steering of the motor (20), the follow-up rods (44) are installed between the rocker rods (43), the front end face of each follow-up rod (41) is provided with the inclined opening groove (45), the magnetic attraction part (50) comprises a magnetic attraction rod (51), a magnetic attraction frame (52), a magnetic attraction box (53), a magnetic attraction boss (54) and a hanging point, the inner sides of two ends of the magnetic suction frame (52) are respectively provided with a pair of hanging points (55), the magnetic suction part (50) is hung on the hook (141) by the hanging points (55), the direction of the hanging points is an extension line of the diameter of the die (31), the top of the magnetic suction frame (52) is provided with a magnetic suction box (53), and the rear end face of the magnetic suction box (53) adopts a fillet design.

2. The cardboard tube forming machine for the transformer according to claim 1, wherein the top of the bracket (10) is provided with a beam (15), the humidifying part (60) comprises a joint (61), a steam box (62) and a connecting rod (63), the joint (61) is connected with a steam source to provide steam for the steam box, the steam box (62) is inclined downwards to humidify the cardboard to be entered into the die (31), the rear part of the steam box (62) is provided with the connecting rod (63), and the connecting rod (63) is used for mounting the humidifying part (60) on the beam (15).

3. The hard board paper tube forming machine for the transformer according to claim 1, characterized in that the bracket (10) has a side boss (16) at a side middle part, and the motor (20) is mounted on the side boss (16).

4. The hard board paper tube forming machine for the transformer as recited in claim 1, wherein the front end surface of the follower rod (41) is further provided with a magnetic attraction hole (46), the magnetic attraction box (53) is further provided with a magnetic attraction boss (54), and the magnetic attraction boss (54) is matched with the magnetic attraction hole (46) of the follower part (40) to further realize magnetic attraction and positioning.