CN108242339B - Bonding device for paper tube of transformer - Google Patents

Bonding device for paper tube of transformer Download PDF

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Publication number
CN108242339B
CN108242339B CN201810204345.7A CN201810204345A CN108242339B CN 108242339 B CN108242339 B CN 108242339B CN 201810204345 A CN201810204345 A CN 201810204345A CN 108242339 B CN108242339 B CN 108242339B
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China
Prior art keywords
pressing plate
cross beam
fixed
upper pressing
screw rod
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CN201810204345.7A
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CN108242339A (en
Inventor
张永华
张孝金
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Jiangsu Huachen Transformer Co ltd
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Jiangsu Huachen Transformer Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/12Insulating of windings
    • H01F41/125Other insulating structures; Insulating between coil and core, between different winding sections, around the coil
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31CMAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31C1/00Making tubes or pipes by feeding at right angles to the winding mandrel centre line
    • B31C1/08Accessories of machines therefor not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Paper (AREA)
  • Making Paper Articles (AREA)

Abstract

The invention discloses a bonding device for a paper tube of a transformer, wherein an upper pressing plate is a rectangular frame, a lower supporting plate comprises a cross beam and a vertical supporting seat, the cross beam and the vertical supporting seat are both rectangular frames, the vertical supporting seat is fixed at the upper end of one side of the cross beam, the length of the upper pressing plate is smaller than that of the cross beam, pressing devices are respectively arranged at the left end and the right end of the upper pressing plate, a screw rod I is fixed at the upper end of a fixed block I and sequentially penetrates through a slotted hole on the cross beam and a slotted hole on the upper pressing plate, and a hand wheel I is arranged at the threaded end at the upper side of the screw rod I; a connecting rod is hinged between the upper pressing plate and the cross beam, and when the left end face of the upper pressing plate is level with the left end face of the cross beam, the central line of the hinge hole on the upper pressing plate and the central line of the hinge hole on the cross beam are not on the same vertical line; the vertical supporting seat is provided with a stretching device. The invention has simple structure, even stress on the bonding edge of the paper tube of the transformer, easy taking out of finished products without auxiliary equipment, high efficiency and convenient use.

Description

Bonding device for paper tube of transformer
Technical Field
The invention relates to a bonding device for a paper tube of a transformer, and belongs to the technical field of transformer insulation part manufacturing equipment.
Background
The paper tube of the transformer is an important component part of a transformer winding, the wall thickness of the paper tube is generally 4-6 mm, and the current method for manufacturing the paper tube of the transformer generally adopts a method for wrapping a movable winding wire by adopting a thin insulating paperboard with the thickness of 0.1mm, so that the paper tube of the transformer is time-consuming, labor-consuming, low in efficiency, weak in bonding between layers, easy to generate bubbles, and seriously affects the quality of the paper tube of the transformer. The method for manufacturing the paper tube of the transformer is to directly roll the paper tube with the seam by using the paper plate with the thickness of 4-6 mm, and then bond the seam by using the adhesive, but because the paper plate is thicker, the paper tube needs to be bound in advance when bonding, and a certain pressure is applied to the overlapped bonding part of the paper tube along the bus to ensure the bonding quality, and the lead screw or the hydraulic pressure is adopted when the paper tube is pressed, so that the formed paper tube of the transformer is inconvenient to take out, and the paper tube is usually finished by other devices, thus being labor-consuming and low in efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the bonding device for the paper tube of the transformer, which has the advantages of simple structure, uniform stress on the bonding edge of the paper tube of the transformer, easy taking out of finished products without auxiliary equipment, high efficiency and convenient use.
In order to achieve the above purpose, the invention relates to a bonding device for a paper tube of a transformer, which comprises an upper pressing plate, a lower supporting plate and a lower base, wherein a male die is fixed at the lower end of the upper pressing plate, a female die is fixed at the upper end of the lower supporting plate, the lower supporting plate is fixed on the lower base, the upper pressing plate is a rectangular frame, the lower supporting plate comprises a cross beam and a vertical supporting seat, the cross beam and the vertical supporting seat are both rectangular frames, the vertical supporting seat is fixed at the upper end of one side of the cross beam, the length of the upper pressing plate is smaller than that of the cross beam, pressing devices are respectively arranged at the left end and the right end of the upper pressing plate, the pressing devices comprise a hand wheel I, a screw rod I and a fixing block I, the fixing block I is fixed at the inner side of the cross beam frame, the screw rod I is fixed at the upper end of the fixing block I and sequentially penetrates through a slotted hole on the cross beam and a long round hole on the upper pressing plate, and the hand wheel I is arranged at the upper threaded end of the screw rod I; a connecting rod is hinged between the upper pressing plate and the cross beam, and when the left end face of the upper pressing plate is level with the left end face of the cross beam, the central line of the hinge hole on the upper pressing plate and the central line of the hinge hole on the cross beam are not on the same vertical line; the vertical supporting seat is provided with a stretching device, the stretching device comprises a hand wheel II, a screw rod II and a fixed block II, the fixed block II is fixed on the inner side of the upper pressing plate frame, the screw rod II is fixed on the right end of the fixed block II, the screw rod II penetrates through a slotted hole in the vertical supporting seat, and the hand wheel II is installed at the right threaded end of the screw rod II.
Loosening a hand wheel I at the upper end of an upper pressing plate, rotating the hand wheel I to a certain height of a screw rod I, driving the upper pressing plate to move rightwards through the screw rod II by pulling the hand wheel II, connecting the upper pressing plate with a cross beam through a connecting rod, forming a parallel four-bar mechanism by the upper pressing plate and the cross beam, moving upwards while moving rightwards on the upper pressing plate, separating a male die connected with the upper pressing plate from a female die on the cross beam, putting a paper tube between the male die and the female die, pushing the hand wheel II to reset the upper pressing plate, simultaneously sequentially screwing the hand wheel II, the hand wheel I on the left side and the hand wheel I on the right side, pasting the paper tube by the male die on the upper pressing plate and the female die of the cross beam, pulling the hand wheel II again after pasting for a period of time, and taking out the pasted paper tube from the space between the male die and the female die; the long round holes on the upper pressing plate, the cross beam and the vertical supporting seat provide a moving space for the screw rod and limit the moving space.
Furthermore, the male die and the female die are arc plates with the same radian. The male die and the female die adopt arc structures, so that the radian of the joint of the paper tube is ensured.
In order to strengthen the strength of the die, a plurality of reinforcing rib plates are uniformly distributed on both sides of the male die and both sides of the female die.
In order to prevent the problem that the upper pressing plate and the lower supporting plate are not in the same straight line due to manufacturing errors and assembly gaps, the outer side of the frame at the left end of the upper pressing plate is connected with a positioning plate through bolts.
Further, the lower base comprises supporting legs, a lower base beam and channel steel, the supporting legs are splayed, the lower base beam is connected between the two supporting legs, and the channel steel is fixed at the top of each supporting leg. The above structure increases the stability of the lower base.
Further, at least two groups of connecting rods act synchronously. On the one hand, the paper tube can not be taken out when one connecting rod is damaged, and on the other hand, the connecting rods are used as main supporting parts when the female die is separated from the male die, so that the plurality of connecting rods can prevent equipment damage caused by insufficient supporting force.
The parallel four-bar mechanism formed by the upper pressing plate, the cross beam and the connecting bars can easily complete separation and compaction between the male die and the female die without other auxiliary equipment, thereby being convenient for taking and placing the paper tube; the upper pressing plate is lifted and adjusted through the right hand wheel and the screw rod, and is compressed through the upper hand wheel and the screw rod, so that the structure is simple, and the operation is convenient; the left and right pressing devices are arranged to lead the edge pressing force of the paper tube to be even; the male die and the female die adopt arc plate structures, so that the joint of the paper tube is ensured to be an arc.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a schematic view of the structure of the upper platen and the male die of the present invention;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a left side view of FIG. 4;
FIG. 7 is a schematic view of the structure of the lower support plate and the female die;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a left side view of FIG. 7;
FIG. 10 is a schematic view of the lower base structure;
FIG. 11 is a top view of FIG. 10;
fig. 12 is a left side view of fig. 10.
In the figure: 1. an upper press plate; 2. a lower support plate; 2.1, a cross beam; 2.2, a vertical supporting seat; 3. a lower base; 3.1, supporting legs; 3.2, a lower base beam; 3.3, channel steel; 4. a hand wheel I; 5. a screw I; 6. a fixed block I; 7. a connecting rod; 8. a hand wheel II; 9. a screw II; 10. a fixed block II; 11. a male die; 12. a female die; 13. reinforcing rib plates; 14. and (5) positioning the plate.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings. For convenience of description, the left side in fig. 1 is defined as left, the right side is defined as right, and the upper end is defined as upper and lower end is defined as lower.
As shown in fig. 1 to 12, a bonding device for a paper tube of a transformer comprises an upper pressing plate 1, a lower supporting plate 2 and a lower base 3, wherein a male die 11 is fixed at the lower end of the upper pressing plate 1, a female die 12 is fixed at the upper end of the lower supporting plate 2, the lower supporting plate 2 is fixed on the lower base 3, the upper pressing plate 1 is a rectangular frame, the lower supporting plate 2 comprises a cross beam 2.1 and a vertical supporting seat 2.2, the cross beam 2.1 and the vertical supporting seat 2.2 are rectangular frames, the vertical supporting seat 2.2 is fixed at the upper end of one side of the cross beam 2.1, the length of the upper pressing plate 1 is smaller than that of the cross beam 2.1, pressing devices are respectively arranged at the left end and the right end of the upper pressing plate 1, each pressing device comprises a hand wheel I4, a screw I5 and a fixing block I6, the fixing block I6 is fixed at the inner side of the cross beam 2.1 frame, the screw I5 is fixed at the upper end of the fixing block I6 and sequentially penetrates through a long round hole in the cross beam 2.1 and a long round hole in the upper pressing plate 1, and the hand wheel I4 is mounted at the upper threaded end of the screw I5; a connecting rod 7 is hinged between the upper pressing plate 1 and the cross beam 2.1, and when the left end face of the upper pressing plate 1 is level with the left end face of the cross beam 2.1, the central line of the hinge hole on the upper pressing plate 1 and the central line of the hinge hole on the cross beam 2.1 are not on the same vertical line; the vertical supporting seat 2.2 is provided with a stretching device, the stretching device comprises a hand wheel II8, a screw rod II9 and a fixed block II10, the fixed block II10 is fixed on the inner side of the upper pressing plate 1 frame, the screw rod II9 is fixed on the right end of the fixed block II10, the screw rod II9 penetrates through a slotted hole in the vertical supporting seat 2.2, and the hand wheel II8 is installed at the right threaded end of the screw rod II 9.
Loosening a hand wheel I4 at the upper end of an upper pressing plate, rotating the hand wheel I4 to a certain height of a screw rod I5, driving the upper pressing plate 1 to move rightwards through a screw rod II9 by pulling a hand wheel II8, connecting the upper pressing plate 1 with a cross beam 2.1 through a connecting rod 7, forming a parallel four-bar mechanism by the upper pressing plate 1 and the cross beam 2.1, moving upwards while moving rightwards by the upper pressing plate 1, separating a male die 11 connected with the upper pressing plate 1 from a female die 12 on the cross beam 2.1, putting a paper tube between the male die 11 and the female die 12, pushing the hand wheel II8 to reset the upper pressing plate, simultaneously sequentially screwing the hand wheel II8, a left hand wheel I4 and a right hand wheel I4, pasting a paper tube by the male die and the female die of the cross beam on the upper pressing plate, pulling the hand wheel II8 again after pasting for a period of time, and taking the pasted paper tube out from between the male die and the female die; the long round holes on the upper pressing plate 1, the cross beam 2.1 and the vertical supporting seat 2.2 provide moving space and limit for the screw rod.
Further, the male die 11 and the female die 12 are arc plates with the same radian. The male die and the female die adopt arc structures, so that the radian of the joint of the paper tube is ensured.
In order to strengthen the strength of the die, a plurality of reinforcing rib plates 13 are uniformly distributed on both sides of the male die 11 and both sides of the female die 12.
In order to prevent the problem that the upper and lower support plates are not in a straight line due to manufacturing errors and assembly gaps, the outside of the frame at the left end of the upper press plate 1 is connected with a positioning plate 14 through bolts.
Further, the lower base 3 comprises supporting legs 3.1, a lower base cross beam 3.2 and channel steel 3.3, the supporting legs 3.1 are splayed, the lower base cross beam 3.2 is connected between the two supporting legs 3.1, and the channel steel 3.3 is fixed at the top of each supporting leg 3.1. The above structure increases the stability of the lower base.
Further, at least two groups of connecting rods 7 act synchronously. On the one hand, the paper tube can not be taken out when one connecting rod is damaged, and on the other hand, the connecting rods are used as main supporting parts when the female die is separated from the male die, so that the plurality of connecting rods can prevent equipment damage caused by insufficient supporting force.
The operation process of the invention is as follows:
1. measuring the diameter and circumference of the prepared paper tube blank, and marking by scribing;
2. a paper tube blank is molded; the bonding part of the paper tube is coated with an adhesive, a hand wheel II8 is pulled, the hand wheel II8 drives the upper pressing plate 1 to move rightwards through a screw II9, and the upper pressing plate 1 and the cross beam 2.1 form a parallel four-bar mechanism, so that the upper pressing plate 1 moves upwards while moving rightwards, a male die 11 connected with the upper pressing plate 1 is separated from a female die 12 on the cross beam 2.1, and the paper tube is placed between the male die 11 and the female die 12;
3. pushing the hand wheel II8 to reset the upper pressing plate 1, simultaneously sequentially screwing the hand wheel II8, the left hand wheel I4 and the right hand wheel I4, and performing edge pressing and pasting of the paper cylinder by a male die on the upper pressing plate and a female die of the cross beam;
4. after the paper tube is pasted for a period of time, the hand wheel II8 is pulled again, and then the pasted paper tube is taken out from the position between the male die and the female die.

Claims (6)

1. The utility model provides a transformer fiber container bonding device, including top board (1), lower backup pad (2) and lower base (3), the lower extreme of top board (1) is fixed with terrace die (11), the upper end of lower backup pad (2) is fixed with die (12), lower backup pad (2) are fixed on lower base (3), a serial communication port, top board (1) is rectangular frame, lower backup pad (2) are including crossbeam (2.1) and vertical supporting seat (2.2), crossbeam (2.1) and vertical supporting seat (2.2) are rectangular frame, vertical supporting seat (2.2) are fixed in the upper end of crossbeam (2.1) one side, the length of top board (1) is less than the length of crossbeam (2.1), the left and right sides of top board (1) is equipped with closing device respectively, closing device includes hand wheel I (4), screw rod I (5) and fixed block I (6), fixed in the inboard of crossbeam (2.1) frame, screw rod I (5) are fixed in the upper end of fixed block I (6) and pass on the long round hole I of crossbeam (1) in proper order, the upper end of threaded rod I (5) is installed on the long round hole I on the crossbeam (1); a connecting rod (7) is hinged between the upper pressing plate (1) and the cross beam (2.1), and when the left end face of the upper pressing plate (1) is level with the left end face of the cross beam (2.1), the central line of the hinge hole on the upper pressing plate (1) and the central line of the hinge hole on the cross beam (2.1) are not on the same vertical line; be equipped with stretching device on vertical supporting seat (2.2), stretching device includes hand wheel II (8), screw rod II (9) and fixed block II (10), and the inboard of top board (1) frame is fixed to fixed block II (10), and screw rod II (9) are fixed at the right-hand member of fixed block II (10), and slotted hole on vertical supporting seat (2.2) is passed in screw rod II (9), and hand wheel II (8) are installed at screw rod II (9) right side screw thread end.
2. Transformer paper cylinder bonding device according to claim 1, characterized in that the male die (11) and the female die (12) are circular arc plates with the same radian.
3. The bonding device for the transformer paper tube according to claim 2, wherein a plurality of reinforcing rib plates (13) are uniformly distributed on two sides of the male die (11) and two sides of the female die (12).
4. A transformer paper cylinder bonding device according to claim 3, characterized in that the outer side of the frame at the left end of the upper pressing plate (1) is connected with a positioning plate (14) through bolts.
5. The transformer paper cylinder bonding device according to claim 4, wherein the lower base (3) comprises supporting legs (3.1), a lower base beam (3.2) and channel steel (3.3), the supporting legs (3.1) are splayed, the lower base beam (3.2) is connected between the two supporting legs (3.1), and the channel steel (3.3) is fixed at the top of each supporting leg (3.1).
6. Transformer cylinder bonding device according to any of claims 1 to 5, characterized in that at least two groups of links (7) act synchronously.
CN201810204345.7A 2018-03-13 2018-03-13 Bonding device for paper tube of transformer Active CN108242339B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810204345.7A CN108242339B (en) 2018-03-13 2018-03-13 Bonding device for paper tube of transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810204345.7A CN108242339B (en) 2018-03-13 2018-03-13 Bonding device for paper tube of transformer

Publications (2)

Publication Number Publication Date
CN108242339A CN108242339A (en) 2018-07-03
CN108242339B true CN108242339B (en) 2024-01-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201608045U (en) * 2009-12-04 2010-10-13 卧龙电气集团股份有限公司 Edge pressing machine for paper drum of transformer coil
CN201655548U (en) * 2010-01-27 2010-11-24 特变电工衡阳变压器有限公司 Crimping die for small insulation cylinder
CN202669066U (en) * 2012-06-13 2013-01-16 重庆市亚东亚集团变压器有限公司 Bonding device for hard paper tube of transformer
CN204309320U (en) * 2014-12-11 2015-05-06 山东巨力电工设备有限公司 Insulating paper cylinder bonding crimp connection fixture
CN208240495U (en) * 2018-03-13 2018-12-14 江苏华辰变压器股份有限公司 Transformer paper tube adhering device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6912133B2 (en) * 2002-07-22 2005-06-28 Magnetic Design Labs Inc. Ruggedized inverter chassis

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201608045U (en) * 2009-12-04 2010-10-13 卧龙电气集团股份有限公司 Edge pressing machine for paper drum of transformer coil
CN201655548U (en) * 2010-01-27 2010-11-24 特变电工衡阳变压器有限公司 Crimping die for small insulation cylinder
CN202669066U (en) * 2012-06-13 2013-01-16 重庆市亚东亚集团变压器有限公司 Bonding device for hard paper tube of transformer
CN204309320U (en) * 2014-12-11 2015-05-06 山东巨力电工设备有限公司 Insulating paper cylinder bonding crimp connection fixture
CN208240495U (en) * 2018-03-13 2018-12-14 江苏华辰变压器股份有限公司 Transformer paper tube adhering device

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