CN213079824U

CN213079824U - Flanging device for end cover of transformer oil tank

Info

Publication number: CN213079824U
Application number: CN202021835821.4U
Authority: CN
Inventors: 杨九一; 李锋; 杨小信
Original assignee: Xi'an Xinkang Industrial Co Ltd
Current assignee: Xi'an Xinkang Industrial Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-30
Anticipated expiration: 2030-08-28

Abstract

The utility model belongs to the technical field of the processing of transformer oil tank end cover and specifically relates to a transformer oil tank end cover flanging device is related to, which comprises a frame, punching press subassembly and mounting are installed in the frame, the punching press subassembly includes the module, pneumatic cylinder and lower module, it installs on the output shaft of pneumatic cylinder to go up the module, the pneumatic cylinder is installed and is used for providing the power of the vertical downstream of module in the frame, the mounting includes extension plate and fixed block, the extension plate is installed in the frame, the one end that the frame was kept away from to the extension plate is connected the fixed block, the module is down connected to the other end, the module is. The workpiece is fixed by the fixing block, the edge of the workpiece is located between the upper module and the lower module, the hydraulic cylinder is opened to press the upper module downwards, the flanging of the workpiece is completed, and the operation is convenient. This application has in the processing of transformer oil tank end cover, convenient operation, and production efficiency is high, can fix the work piece of different specifications, and whole equipment is small.

Description

Flanging device for end cover of transformer oil tank

Technical Field

The application relates to the field of machining of transformer oil tank end covers, in particular to a flanging device for a transformer oil tank end cover.

Background

In current factory manufacturing, equipment is often needed for flanging blanks. The flanging is a kind of stamping process, and refers to a forming method of forming a straight wall or a flange with a certain angle along a closed or unclosed curve edge on a plane part or a curved part of a blank by using the action of a die. The types of the flanges are various, and the classification methods are different, wherein the flanges can be divided into extension type flanges and compression type flanges according to deformation properties.

At present, the end cover of the transformer oil tank mostly adopts the end cover with a smooth surface, water often permeates from the connecting part of the end cover and the tank opening in the transportation and storage processes, the water is mixed into the transformer oil and is not easy to be noticed when in use, and if the transformer oil is added into the transformer tank, the transformer is easy to damage. Therefore, related technical personnel improve the original end cover with a flat surface, and the baffle is arranged at the edge of the end cover with the flat surface and is used for preventing moisture from contacting the joint of the end cover and the tank opening to a certain extent.

However, the baffle is formed by folding the edge of the end cover, and the end cover needs to be flanged. The improved end cover is large in size, the existing tool clamp cannot meet the flanging requirement of the improved end cover, manual flanging is mostly adopted, the force applied in the flanging process is unstable, the flanging edge is not smooth enough, the flanging edge is rough, and defective products are easily generated.

In view of the above-mentioned related art, the inventor thinks that there is the defect that the production efficiency of manual flanging operation is low.

SUMMERY OF THE UTILITY MODEL

In order to improve in the processing of transformer tank end cover, the defect that artifical turn-ups operation production efficiency is low, this application provides a transformer tank end cover flanging device.

The application provides a transformer tank end cover flanging device adopts following technical scheme:

the utility model provides a transformer oil tank end cover flanging device, includes frame, punching press subassembly and mounting, the punching press subassembly with the mounting is installed in the frame, the punching press subassembly includes the pneumatic cylinder, goes up module and lower module, it installs to go up the module on the output shaft of pneumatic cylinder, the pneumatic cylinder is installed and is used for providing in the frame go up the power of the vertical downstream of module, the mounting includes extension plate and fixed block, the extension plate is installed in the frame, the one end that the frame was kept away from to the extension plate is connected fixed block, the other end and is connected lower module, the module is located the module below down.

Through adopting above-mentioned technical scheme, punching press subassembly and mounting are connected in the frame, the output shaft of pneumatic cylinder connects the upper die block, go up the module under corresponding, the fixed block on the extension plate will wait to process the work piece fixed, the pneumatic cylinder drives the upper die block and pushes down for the border of work piece is located between upper die block and the lower die block, the completion is to the turn-ups of work piece, convenient operation, production efficiency is high, and the setting of extension plate can be fixed the work piece of different specifications, whole equipment is not big.

The application is further configured to: the upper module comprises a first pressing block and a second pressing block, the second pressing block is connected with an output shaft of the hydraulic cylinder, and the first pressing block is connected with the lower end face of the second pressing block.

Through adopting above-mentioned technical scheme, briquetting one can play the effect of pushing down to the border of work piece, and briquetting two can play certain effect that compresses tightly to the work piece, improves the work piece and deviates from work piece one side tilt-up when the briquetting, has increased the security of course of working.

The application is further configured to: the lower die block and the first pressing block are respectively provided with an arc-shaped end face, the arc-shaped face of the lower die block protrudes outwards, the arc-shaped face of the first pressing block is sunken inwards, the arc-shaped face of the lower die block and the arc-shaped face of the first pressing block are concentric, and when the first pressing block is pressed to a low point, a gap is reserved between the first pressing block and the lower die block.

Through adopting above-mentioned technical scheme, when the turn-ups to circular workpiece, the curved cross-section can make the turn-ups degree of accuracy higher, leaves the clearance between lower module and the briquetting one, and this clearance is used for offsetting the thickness of turn-ups in-process work piece, avoids bending not in place to a certain extent.

The application is further configured to: the long edge two sides of the extension plate are provided with a first fixing piece extending outwards, and the first fixing piece is detachably and fixedly connected with the rack.

Through adopting above-mentioned technical scheme, the fixed extension plate that stationary blade one can be better, improve equipment's stability.

The application is further configured to: the mounting block is characterized in that a mounting groove is formed in the fixing block, a sliding block is arranged above the fixing block, a mounting block is arranged on the sliding block, and the mounting block is rotatably mounted in the mounting groove.

Through adopting above-mentioned technical scheme, the fixed block top is equipped with the slider, and the slider rotates along the axle center of fixed block, when the position turn-ups to the work piece difference, can easily rotate the work piece, and it is more convenient to use.

The application is further configured to: and one side of the sliding block, which is far away from the extension plate, is provided with a mounting hole.

By adopting the technical scheme; the mounting hole can effectively fix the workpiece, and the workpiece is prevented from deviating to a certain extent.

The application is further configured to: the side face of the sliding block is provided with a jackscrew, and the jackscrew penetrates through the sliding block and the end part of the jackscrew extends into the mounting hole.

Through adopting above-mentioned technical scheme, the jackscrew is fixed the work piece, and cooperation briquetting two can play dual fixed effect to the work piece, avoids turn-ups in-process work piece displacement to influence work piece turn-ups effect.

The application is further configured to: the lower surface of the upper module and the upper surface of the lower module are provided with anti-skid grains.

Through adopting above-mentioned technical scheme, increase the friction between work piece border and last module, the lower module, the skew appears when preventing the work piece turn-ups to a certain extent, has increased the security of equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the punching assembly and the fixing piece are connected to the rack, the output shaft of the hydraulic cylinder is connected with the upper module, the lower part of the upper module corresponds to the lower module, the fixing block on the extension plate fixes a workpiece to be processed, the hydraulic cylinder drives the upper module to press downwards, so that the edge of the workpiece is positioned between the upper module and the lower module, the flanging of the workpiece is completed, the operation is convenient, the extension plate can be used for fixing workpieces of different specifications, and the size of the whole equipment is small;

2. the pressing block I and the lower module are respectively provided with an end face which is arc-shaped, the arc-shaped faces of the pressing block I and the lower module are concentric, a gap is arranged between the pressing block I and the lower module, the accuracy of flanging can be higher due to the arc-shaped cross section in the flanging process, the gap is used for offsetting the thickness of a workpiece in the flanging process, and the phenomenon that the workpiece is not bent in place is avoided to a certain extent;

3. the slider is arranged above the fixed block and rotates along the axis of the fixed block, and when the workpieces are flanged at different positions, the workpieces can be rotated only by rotating the slider, so that the workpiece flanging device is more convenient to use.

Drawings

FIG. 1 is an overall schematic view of a transformer tank end cover flanging device according to an embodiment of the application;

FIG. 2 is a schematic view of an extension plate according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a fixed block and a slider according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 2. a stamping assembly; 21. an upper module; 211. pressing a first block; 212. pressing a second block; 22. a hydraulic cylinder; 221. a cylinder body; 222. a piston rod; 23. a lower module; 3. a fixing member; 31. an extension plate; 32. a fixed block; 4. a first fixing sheet; 5. a second fixing sheet; 6. a slider; 7. a circular groove; 8. mounting blocks; 9. mounting holes; 10. carrying out top thread; 11. a table top; 12. supporting legs; 13. a fixed mount; 14. a support table; 15. and (4) anti-skid lines.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses transformer tank end cover flanging device, refers to fig. 1, and includes frame 1, punching press subassembly 2 and mounting 3, and punching press subassembly 2 and mounting 3 are installed on frame 1.

Referring to fig. 1, frame 1 includes mesa 11 and a plurality of supporting leg 12, mesa 11 has four supporting legs 12 towards ground one side bolted connection, the bottom and the ground bolt fixed connection of four supporting legs 12, mesa 11 is the vertical mount 13 that is equipped with in ground one side dorsad, mount 13 lower extreme and 11 welding of mesa, mount 13 upper end level is provided with a supporting

bench

14, 14 one end welding of supporting bench are in the mount 13, punching press subassembly 2 passes a supporting bench 14 and a supporting bench 14 bolt fixed connection.

Referring to fig. 1 and 2, the punching assembly 2 includes an upper module 21, a hydraulic cylinder 22 and a lower module 23, the lower surface of the upper module 21 and the upper surface of the lower module 23 are provided with anti-skid threads 15, the hydraulic cylinder 22 includes a cylinder body 221 and a piston rod 222, the cylinder body 221 is vertically arranged to penetrate through the support table 14 and fixedly connected with a bolt of the support table 14, and the free end of the piston rod 222 is connected with the upper module 21; go up module 21 and include briquetting one 211 and briquetting two 212, free end bolt fixed connection under briquetting two 212 upper ends and the piston rod 222 of pneumatic cylinder 22, the terminal surface welding under briquetting one 211 up end and the briquetting two 212, briquetting one 211 one side of the back of the body mount 13 sets up to inside sunken arcwall face, lower module 23 sets up to outside convex arcwall face towards mount 13 one side, lower module 23 the arcwall face with the arcwall face of briquetting one 211 is concentric, and when briquetting one 211 pushed down to the low point, a clearance was left between briquetting one 211 and lower module 23. In this embodiment, the vertical height of the baffle of the transformer tank end cover to be flanged is lower than the vertical distance from the upper surface of the lower module 23 to the upper surface of the table 11.

Referring to fig. 1 and 2, the fixing member 3 includes an extension plate 31 and a fixing block 32, the extension plate 31 is horizontally disposed on the table top 11, a lower module 23 is welded on one end of the extension plate 31, the lower module 23 is disposed below the first pressing block 211, the other end of the extension plate 31 extends out of the table top 11 along a direction back to the fixing frame 13, fixing pieces one 4 extending outwards and horizontally are disposed on two sides of a long side of the extension plate 31, the fixing pieces one 4 are welded on the extension plate 31, and the fixing pieces one 4 are fixedly connected with the table top 11 through bolts; the edge of the table top 11 is provided with a second fixing sheet 5 which is tightly propped against the extension plate 31, and the second fixing sheet 5 is fixedly connected with the table top 11 through bolts.

Referring to fig. 2 and 3, a fixing block 32 is welded on the upper surface of one end of the extension plate 31, which is far away from the lower module 23, a circular groove 7 is formed on the fixing block 32, a sliding block 6 is arranged above the fixing block 32, a mounting block 8 is arranged at the lower end of the sliding block 6, the mounting block 8 is welded at the lower end of the sliding block 6, the mounting block 8 is nested in the circular groove 7, so that the sliding block 6 can rotate along the axis of the fixing block 32, and a mounting hole 9 is formed in the center of the upper end; in this embodiment, a mounting rod is vertically arranged at the center point of the end cover of the transformer tank to be flanged, the mounting rod is welded with the end cover of the transformer tank, and the mounting rod is inserted into the mounting hole 9 during machining. The side face of the sliding block 6 is provided with a jack screw 10, the jack screw 10 penetrates through the sliding block 6 and is used for tightly abutting against a workpiece in the mounting hole 9, and the edge of the workpiece is prevented from being bounced due to pressure in the flanging process to a certain extent.

The implementation principle of the transformer oil tank end cover flanging device in the embodiment of the application is as follows: firstly, a mounting rod is vertically arranged at the center point of an end cover of the transformer oil tank, the mounting rod is welded with the end cover of the transformer oil tank, and the mounting rod is inserted into a mounting hole 9; secondly, screwing the jackscrew 10, starting the hydraulic cylinder 22 to enable the upper module 21 to move downwards to extrude the edge of the end cover of the transformer oil tank, lifting the upper module 21 and rotating the end cover of the transformer oil tank each time a certain degree of downward extrusion is carried out; and thirdly, continuously repeating the second step until the flanging of the end cover of the transformer oil tank is completed, loosening the jackscrew 10 and taking down the end cover of the transformer oil tank.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a transformer tank end cover flanging device which characterized in that: including frame (1), punching press subassembly (2) and mounting (3), punching press subassembly (2) with mounting (3) are installed in frame (1), punching press subassembly (2) include pneumatic cylinder (22), go up module (21) and lower module (23), it installs to go up module (21) on the output shaft of pneumatic cylinder (22), pneumatic cylinder (22) are installed and are used for providing on frame (1) go up the power of the vertical downstream of module (21), mounting (3) include extension plate (31) and fixed block (32), install on frame (1) extension plate (31), fixed block (32), module (23) down are connected to the other end to the one end that frame (1) was kept away from in extension plate (31), module (23) are located module (21) below down.

2. The transformer tank end cover flanging device of claim 1, wherein: the upper module (21) comprises a first pressing block (211) and a second pressing block (212), the second pressing block (212) is connected with an output shaft of the hydraulic cylinder (22), and the first pressing block (211) is connected with the lower end face of the second pressing block (212).

3. The transformer tank end cover flanging device of claim 2, wherein: lower module (23) and briquetting (211) respectively have a terminal surface to be the arc, the arcwall face of lower module (23) is outside protrusion, the arcwall face of briquetting (211) is inside sunken, the arcwall face of lower module (23) with the arcwall face of briquetting (211) is concentric, briquetting (211) pushes down when low point, and briquetting (211) and lower module (23) leave the clearance within a definite time.

4. The transformer tank end cover flanging device of claim 1, wherein: the long side both sides of extension plate (31) are equipped with outside stationary blade (4) that extend, and stationary blade (4) can be dismantled fixed connection with frame (1).

5. The transformer tank end cover flanging device of claim 1, wherein: be equipped with mounting groove (7) on fixed block (32), fixed block (32) top is equipped with slider (6), be equipped with installation piece (8) on slider (6), installation piece (8) are rotated and are installed in mounting groove (7).

6. The transformer tank end cover flanging device of claim 5, wherein: and one side of the sliding block (6) departing from the extension plate (31) is provided with a mounting hole (9).

7. The transformer tank end cover flanging device of claim 6, wherein: the side face of the sliding block (6) is provided with a jackscrew (10), and the jackscrew (10) penetrates through the sliding block (6) and the end part of the jackscrew extends into the mounting hole (9).

8. The transformer tank end cover flanging device of claim 1, wherein: the lower surface of the upper module (21) and the upper surface of the lower module (23) are provided with anti-skid grains (15).