CN115274220A

CN115274220A - Easily adjust high accuracy roll-in forming device for rectangle transposed conductor

Info

Publication number: CN115274220A
Application number: CN202210900345.7A
Authority: CN
Inventors: 黄晓军; 朱为坤; 余静成; 徐银林; 张静
Original assignee: Anhui Shangwei Cable Co ltd
Current assignee: Anhui Shangwei Cable Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-01

Abstract

The invention discloses an easily-adjusted high-precision rolling forming device for a rectangular transposed conductor, which comprises a shell assembly, a rolling assembly and a control assembly, wherein the shell assembly comprises a shell bottom plate, a shell side plate and a shell face plate, the surfaces of the shell face plate and the shell side plate are respectively provided with a cross-shaped opening, the shell bottom plate is provided with four rows of first threaded holes, the upper end surface, the lower end surface, the right end surface and the left end surface of the shell side plate are respectively provided with a first through hole, a cross-shaped shell and a module assembly are adopted, the size of the device is reduced by more than 30%, the weight reduction effect is obvious, the size control assembly is arranged in a unfilled corner area of the cross-shaped shell, the device conforms to the principle of ergonomics, is convenient to operation and maintenance, saves physical space, and has strong adaptability of an industrial production line. The size control assembly adopts a hand wheel adjusting mode, size adjustment is not needed by means of a professional tool, operation is smoother, production change efficiency is higher, and the size control assembly is more suitable for a customized production mode of transposed conductors.

Description

Easily adjust high accuracy roll-in forming device for rectangle transposed conductor

Technical Field

The invention relates to the technical field of processing and manufacturing of winding wires or special cables, in particular to an easily-adjusted high-precision rolling forming device for a rectangular transposed conductor.

Background

The rectangular transposed conductor has the advantages of high insulation strength, compact structure, small difference of resistance values of the conductor and the like, is gradually the preferred winding wire type of the reactor of the ultra-high voltage and ultra-high voltage transmission system, and can obviously improve the strength, efficiency and volume of the reactor winding and improve the long-term operation reliability.

The rectangular transposed conductor has multiple specifications and high dimensional accuracy, is basically produced in a customized mode, the most key link in the manufacturing process is a transposition forming procedure, and the most core tool in the transposition forming procedure is a forming device. The traditional forming device is mostly designed in a rectangular shape and is heavy; the control assembly needs to be operated by a professional tool, the adjusting process of the forming size is complicated, and the working efficiency is low; the displacement control mode of the rolling part adopts a common rail or a concave-convex groove type, and the precision of the forming size is generally low. And after the forming device is used for a period of time, the surface of the rolling part is damaged or abraded, and the rolling part is generally required to be integrally disassembled and assembled for repair, so that time and labor are wasted, the assembly precision of parts is easily reduced, and the rolling forming precision of the forming device is reduced.

Therefore, the roll forming device for the high-precision rectangular transposed conductor is easy to adjust, and the problems are solved.

Disclosure of Invention

The technical scheme of the invention provides a solution which is obviously different from the prior art aiming at the technical problem that the prior art has too single solution, and the invention aims to provide a roll forming device for a high-precision rectangular transposed conductor, which is easy to adjust, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

an easily-adjustable high-precision rolling forming device for rectangular transposed conductors comprises a shell assembly, a rolling assembly and a control assembly, wherein the shell assembly comprises a shell bottom plate, a shell side plate and a shell panel, cross-shaped openings are formed in the surfaces of the shell panel and the shell bottom plate, the shell bottom plate is provided with four rows of first threaded holes, first through holes are formed in the upper end surface, the lower end surface, the right end surface and the left end surface of the shell side plate, and notches are formed in the upper left end surface, the lower right end surface, the upper right end surface, the left lower end surface and the left end surface of the shell side plate;

the rolling assembly comprises a roller, a bearing group, a connecting shaft, a third shaft sleeve, a roller clamping displacement piece, a character-adding displacement workpiece, a linear guide rail I and a linear guide rail II, the rolling assembly is provided with four sets, the linear guide rail I comprises a guide rail slide block I, a sliding guide rail I, a rail fastening screw I and a slide block fastening screw I, the sliding guide rail I is fixed on a first threaded hole of a shell bottom plate through the rail fastening screw I, one side of the sliding guide rail I is slidably connected with the guide rail slide block I, the guide rail slide block I is fixed on the character-adding displacement workpiece through the slide block fastening screw I, the bottom surface of the character-adding displacement workpiece is provided with a second through hole, the side surface of the character-adding displacement workpiece is provided with a second threaded guide hole, the linear guide rail II comprises a guide rail slide block II, a sliding guide rail II, the rail fastening screw II and a slide block fastening screw II, the sliding guide rail slide block II is connected with the character-adding displacement workpiece through the rail fastening screw II, the outer wall of the sliding guide rail slide block II is connected with the clamping displacement piece through the roller;

bearing holes are formed in two sides of the roller, the bearing group comprises a first bearing and a second bearing, outer rings of the first bearing and the second bearing are assembled in the bearing holes in an over-tight fit mode, the connecting shaft is assembled in inner rings of the first bearing and the second bearing in an over-tight fit mode, two first bearing retainer rings are respectively arranged on the outer sides of the first bearing and the second bearing, and two sides of the roller clamping displacement piece are connected with a third shaft sleeve through shaft sleeve fastening screws;

the control assembly comprises a hand wheel, a bearing sleeve, a fourth bearing, a lead screw, a second bearing retainer ring, a key block and bearing sleeve fastening screws, eight sets of control assemblies are arranged, every two control assemblies correspond to the rolling assembly, the lead screw on one set of control assembly penetrates through the first through hole and is meshed with the second threaded guide hole, the bearing sleeve on one set of control assembly is fixed on the outer wall of the shell side plate through the bearing sleeve fastening screws, the bearing sleeve corresponds to the first through hole in position, the bearing sleeve on the other set of control assembly is fixed at the bottom of the upper-character displacement workpiece through the bearing sleeve fastening screws, the bearing sleeve corresponds to the second through hole in position, the lead screw on the other set of control assembly is meshed with the first threaded guide hole, the lead screw is rotatably connected with the bearing sleeve through the fourth bearing, the key block is placed on the outer wall of the lead screw through a key groove, one side of the key block is connected with the hand wheel, and the second bearing retainer ring is sleeved on the outer side of the lead screw and is fixed at the bottom of the fourth bearing through a bolt.

In a further embodiment, the width of the outer circular surface of the roller is T1, T2 is arranged between the outer circular surface of the roller and the tail end of the shaft hole side of the roller clamping displacement piece, and the width of T1 is less than or equal to the width of T2.

In a further embodiment, the housing bottom plate and the housing face plate are fixedly connected to the housing side plates by bolts.

In a further embodiment, a rectangular roll forming die opening is formed by enclosing the four rollers together, and the four rollers correspond to the cross-shaped opening.

Compared with the prior art, the invention has the beneficial effects that:

1. by adopting the cross-shaped shell and the module component, the volume of the device is reduced by more than 30 percent, and the weight reduction effect is obvious.

2. The size control assembly is arranged in the unfilled corner area of the cross-shaped shell, so that the size control assembly accords with the principle of ergonomics, is convenient to operate and maintain, saves physical space and has strong adaptability of an industrial production line. The size control assembly adopts a hand wheel adjusting mode, size adjustment is not needed by means of professional tools, operation is smoother, production changing efficiency is higher, and the size control assembly is more suitable for a customized production mode of transposed conductors.

3. And the rolling size is accurately controlled based on a double-layer displacement adjusting mechanism of the linear track.

4. The roll-in subassembly adopts detachable axle sleeve, under the prerequisite of the slip system of not dismantling casing subassembly, control assembly and roll-in subassembly, can realize the dismouting, maintenance and the change of gyro wheel easily, and the at utmost reduces the cooperation precision to whole device core spare part, ensures that gyro wheel surface quality continuously satisfies transposed conductor or other special cable technological requirements.

Drawings

Fig. 1 is an outline view of an easily adjustable high-precision roll forming device for a rectangular transposed conductor.

Fig. 2 is a view showing an internal structure of a roll forming device for a high-precision rectangular transposed conductor which is easy to adjust.

Fig. 3 is a view showing the configuration of the housing assembly.

Fig. 4 is a front view of the housing assembly.

Fig. 5 is a view showing the configuration of the rolling unit.

Fig. 6 is a front view of the rolling assembly.

Fig. 7 is an exploded view of a roll pack.

Fig. 8 is an exploded view of the control assembly.

In the figure: 1. a housing assembly; 11. a housing floor; 12. a housing side plate; 13. a housing panel; 2. a roll-in assembly; 21. a roller; 22. a bearing set; 221. a first bearing; 222. a second bearing; 23. a connecting shaft; 24. a third shaft sleeve; 25. the roller clamps the displacement piece; 26. shifting the workpiece in a word; 271. a linear guide rail I; 2711. a guide rail slide block I; 2712. a sliding guide rail I; 2713. a track fastening screw number I; 2714. a first slide block fastening screw; 272. a linear guide rail II; 2721. a guide rail sliding block II; 2722. a sliding guide rail II; 2723. a track fastening screw II; 2724. a slide block fastening screw II; 28. a shaft sleeve fastening screw; 291. a first bearing retainer ring; 3. a control component; 31. a hand wheel; 32. a bearing housing; 33. a fourth bearing; 34. a lead screw; 35. a second bearing retainer ring; 36. a key block; 37. a bearing bush fastening screw; 4. a first through hole; 5. a first threaded pilot hole; 6. a second threaded pilot hole; 7. a second through hole; 8. a notch; 9. a rectangular roll forming die orifice; 10. a cross-shaped opening; 100. a first threaded hole.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-8, in the embodiment of the present invention, an easily adjustable high-precision roll forming device for a rectangular transposed conductor includes a housing assembly 1, a roll assembly 2, and a control assembly 3, where the housing assembly 1 includes a housing bottom plate 11, a housing side plate 12, and a housing panel 13, cross-shaped openings 10 are formed on the surfaces of the housing panel 13 and the housing bottom plate 11, the housing bottom plate 11 is provided with four rows of first threaded holes 100, first through holes 4 are formed on the upper, lower, right, and left end surfaces of the housing side plate 12, and notches 8 are formed on the upper left, lower right, upper right, and lower left end surfaces of the housing side plate 12;

the rolling component 2 comprises a roller 21, a bearing group 22, a connecting shaft 23, a third shaft sleeve 24, a roller clamping displacement piece 25, a first character displacement workpiece 26, a first linear guide rail 271 and a second linear guide rail 272, the rolling component 2 comprises four sets of the roller clamping displacement piece, the first linear guide rail 271 comprises a first guide rail slider 2711, a first sliding guide rail 2712, a first rail fastening screw 2713 and a first slider fastening screw 2714, the first sliding guide rail 2712 is fixed on a first threaded hole 100 of the shell bottom plate 11 through the first rail fastening screw 2713, one side of the first sliding guide rail 2712 is slidably connected with the first guide rail slider 2711, the first guide rail slider is fixed on the first character displacement workpiece 26 through the first slider fastening screw 2714, a second through hole 7 is formed in the bottom surface of the first character displacement workpiece 26, a second threaded guide hole 6 is formed in the side surface of the first upper character displacement workpiece 26, the second linear guide rail 272 comprises a second guide rail slider 2721, a second sliding guide rail slider 2722, a second rail fastening screw 3, a second slider fastening screw 2722 is connected with the second slider fastening screw 2721, and a second slider fastening screw 2722 is connected with the second slider on the second sliding guide rail fastening screw 2722, and the second slider is connected with the second slider 2722;

bearing holes are formed in two sides of the roller 21, the bearing group 22 comprises a first bearing 221 and a second bearing 222, outer rings of the first bearing 221 and the second bearing 222 are assembled in the bearing holes in an over-tight fit mode, the connecting shaft 23 is assembled in inner rings of the first bearing 221 and the second bearing 222 in an over-tight fit mode, two first bearing retainer rings 291 are respectively arranged on the outer sides of the first bearing 221 and the second bearing 222, and two sides of the roller clamping displacement piece 25 are connected with a third shaft sleeve 24 through shaft sleeve fastening screws 28;

the control assembly 3 comprises a hand wheel 31, bearing sleeves 32, a fourth bearing 33, a lead screw 34, a second bearing retainer 35, a key block 36 and bearing sleeve fastening screws 37, eight sets of control assemblies 3 are arranged, every two control assemblies 3 correspond to the rolling assembly 2, the lead screw 34 on one set of control assemblies 3 penetrates through the first through hole 4 and is meshed with the second threaded guide hole 6, the bearing sleeves 32 on one set of control assemblies 3 are fixed on the outer wall of the shell side plate 12 through the bearing sleeve fastening screws 37, the bearing sleeves 32 correspond to the first through holes 4, the bearing sleeves 32 on the other set of control assemblies 3 are fixed on the bottom of the upper word displacement workpiece 26 through the bearing sleeve fastening screws 37, the bearing sleeves 32 correspond to the second through holes 7, the lead screw 34 on the other set of control assemblies 3 are meshed with the first threaded guide holes 5, the lead screw 34 is in rotary connection with the bearing sleeves 32 through the fourth bearing 33, the outer wall of the lead screw 34 is provided with a key slot key block 36, one side of the second key block 31 is connected, and the bearing retainer 35 is sleeved on the outer side of the lead screw 34 and is fixed on the bottom of the fourth bearing sleeve 33 through bolts.

Twelve sides are shared in the cross-shaped opening 10, each three sides are in a group, each group is distributed in the four directions of the upper part, the lower part, the left part and the right part of the cross-shaped opening 10, the long side of each group is w, the group positioned above is positioned in the group, the short sides of the two sides of w are vl1 and vl2, the group positioned below is positioned in the group, the short sides of the two sides of w are vl1' and vl2', the group positioned at the left part is positioned in the group, the short sides of the two sides of w are hl1' and hl2', the difference of the two short sides in the same group is e, the vl1 and vl1', the vl2 and vl2', the hl1 and hl1', the hl2' and the hl2' are mutually parallel and distributed in a staggered manner, the staggered distance is e, and the range of the e length is between 5mm and 30mm;

the shell side plates 12 have twelve sides in total, each three sides are a group, the long sides W are parallel to the sides of the cross-shaped opening 10W, the four long sides W are in total, the long sides W on the shell side plates 12 and the W on the cross-shaped opening 10 are in staggered distribution, the staggered distance is E, and E is larger than or equal to E;

w (width) =2T1 (width) + x, wherein x is mm and ranges from 20mm to 30mm, and the length of T1 ranges from 30mm to 60mm;

example 2

Referring to fig. 1 to 8, the difference from embodiment 1 is: the width of the outer circular surface of the roller 21 is T1, T2 is arranged between the outer circular surface of the roller 21 and the tail end of the shaft hole side of the roller clamping displacement piece 25, and the width of T1 is less than or equal to the width of T2.

The housing bottom plate 11 and the housing face plate 13 are fixedly connected to the housing side plates 12 by bolts.

A rectangular roll forming die opening 9 is formed by enclosing the four rollers 21, and the four rollers 21 correspond to the cross-shaped opening 10.

The working principle of the invention is as follows:

four sets of rolling assemblies 2 and eight sets of control assemblies 3 are arranged in the shell assembly 1; each set of rolling assembly 2 realizes the transverse sliding and the longitudinal sliding of the roller 21 through a linear guide rail No. 271 and a linear guide rail No. 272; because the bearing sleeve 32 is fixed, the lead screw 34 of the four control components 3 can only do rotary motion, the hand wheel 31 is rotated to respectively open the screw transmission between the lead screw 34 and the first screw thread guide hole 5 and the second screw thread guide hole 6, the displacement of the upper-character displacement workpiece 26 and the roller clamping displacement piece 25 is adjusted, the accurate control of the upper, lower, left and right positions of each roller 21 is realized, the cambered surfaces and the side surfaces of two adjacent rollers 21 are close to each other, finally, the cambered surfaces of the four rollers 21 form a rectangular die orifice with the maximum size of T1 multiplied by T1, and a transposition lead is rolled into a rectangular appearance with the required size by the rollers 21 after being drawn to pass through the die orifice.

According to the principle, the device is characterized in that the four rollers are distributed in a staggered cross position in the rolling forming process, the shell appearance and the opening area distributed by the rollers are designed into a staggered cross appearance, the shell appearance and the opening area distributed by the rollers are fully utilized, the four-roller rolling forming principle and the forming characteristics are optimized to form the device, the space utilization rate of the device is improved, and the reasonability, the practicability and the attractive effect of mechanical design are also considered. The dimensional relationship among the width T1 of the outer circular surface of the roller, the shape dislocation distance E of the shell and the dislocation distance E of the opening area of the shell, the dimensional relationship among the E and the E are related to the size of a processed workpiece, the precision degree of parts and the rationality of an operation space. T1 is less than or equal to T2, so that hard contact damage is avoided in the process of combining four rollers into a micro-size rectangular die opening between the roller side surface and the shaft sleeve 24 and the roller clamping displacement piece 25.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an easily adjust high accuracy rectangle roll-in forming device for transposed conductor which characterized in that: the roll-in type rolling device comprises a shell assembly (1), a roll-in assembly (2) and a control assembly (3), wherein the shell assembly (1) comprises a shell bottom plate (11), shell side plates (12) and a shell panel (13), cross-shaped openings (10) are formed in the surfaces of the shell panel (13) and the shell bottom plate (11), four rows of first threaded holes (100) are formed in the shell bottom plate (11), first through holes (4) are formed in the upper end surface, the lower end surface, the right end surface and the left end surface of the shell side plate (12), and notches (8) are formed in the upper left end surface, the lower right end surface, the upper right end surface, the lower left end surface and the lower left end surface of the shell side plate (12);

the rolling component (2) comprises a roller (21), a bearing group (22), a connecting shaft (23), a third shaft sleeve (24), a roller clamping displacement piece (25), a first character-shaped displacement workpiece (26), a first linear guide rail (271) and a second linear guide rail (272), the rolling component (2) comprises four sets, the first linear guide rail (271) comprises a first guide rail slide block (2711), a first sliding guide rail (2712), a first rail fastening screw (2713) and a first slider fastening screw (2714), the first sliding guide rail (2712) is fixed on a first threaded hole (100) of a housing bottom plate (11) through the first rail fastening screw (2713), the first sliding guide rail (2712) is slidably connected with the first guide rail slide block (2711) on one side, the first guide rail slide block (2711) is fixed on the first character-shaped displacement workpiece (26) through the first slider fastening screw (2714), a second through hole (7) is formed in the bottom surface of the first character-shaped displacement workpiece (26), the second guide rail slide block (2716) is formed in the side surface of the first guide rail fastening screw (2723), the second guide rail fastening screw (2723) and the second sliding guide rail fastening screw (2723) is connected with the second slider fastening screw (2723), the outer wall of the second sliding guide rail (2722) is connected with a second guide rail sliding block (2721) in a sliding mode, and the second guide rail sliding block (2721) is connected with a roller clamping displacement piece (25) through a second sliding block fastening screw (2724);

bearing holes are formed in two sides of the roller (21), a bearing group (22) comprises a first bearing (221) and a second bearing (222), outer rings of the first bearing (221) and the second bearing (222) are assembled in the bearing holes in an over-tight fit mode, a connecting shaft (23) is assembled in inner rings of the first bearing (221) and the second bearing (222) in an over-tight fit mode, two first bearing retainer rings (291) are respectively arranged on the outer sides of the first bearing (221) and the second bearing (222), and two sides of a roller clamping displacement piece (25) are connected with a third shaft sleeve (24) through shaft sleeve fastening screws (28);

the control assembly (3) comprises a hand wheel (31), a bearing sleeve (32), a fourth bearing (33), a lead screw (34), a second bearing retainer ring (35), a key block (36) and bearing sleeve fastening screws (37), eight sets of control assemblies (3) are arranged, every two control assemblies (3) correspond to the rolling assembly (2), the lead screw (34) on one set of control assemblies (3) penetrates through the first through hole (4) and is meshed with the second thread guide hole (6), the bearing sleeve (32) on one set of control assemblies (3) is fixed on the outer wall of the shell side plate (12) through the bearing sleeve fastening screws (37), the bearing sleeve (32) corresponds to the first through hole (4), the bearing sleeve (32) on the other set of control assemblies (3) is fixed at the bottom of the upper word displacement workpiece (26) through the bearing sleeve fastening screws (37), the bearing sleeve (32) corresponds to the second through hole (7), the lead screw (34) on the other set of control assemblies (3) corresponds to the first thread guide hole (5), the bearing sleeve (32) is connected with the outer wall of the hand wheel through the bearing sleeve (34), the bearing sleeve (32) and the key block (31), the lead screw block (34) is connected with the bearing sleeve (34) on one side of the hand wheel, the lead screw block (31), and the second bearing retainer ring (35) is sleeved on the outer side of the screw rod (34) and fixed at the bottom of the fourth bearing (33) through a bolt.

2. The roll forming device for the easily adjustable high-precision rectangular transposed conductor according to claim 1, characterized in that: the width of the outer circle surface of the roller (21) is T1, T2 is arranged between the outer circle surface of the roller (21) and the tail end of the shaft hole side of the roller clamping displacement piece (25), and the width of T1 is less than or equal to that of T2.

3. The roll forming device for the easily adjustable high-precision rectangular transposed conductor according to claim 1, characterized in that: the shell bottom plate (11) and the shell panel (13) are fixedly connected with the shell side plate (12) through bolts.

4. The roll forming device for the easily adjustable high-precision rectangular transposed conductor according to claim 1, characterized in that: a rectangular roll forming die opening (9) is formed by enclosing the four rollers (21), and the four rollers (21) correspond to the cross-shaped opening (10).