CN212917129U

CN212917129U - Forming die of rotor coil

Info

Publication number: CN212917129U
Application number: CN202020554969.4U
Authority: CN
Inventors: 房井宝
Original assignee: Yunnan Fenjing Electronic Technology Co Ltd
Current assignee: Yunnan Fenjing Electronic Technology Co Ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-04-09
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a forming die of a rotor coil in the technical field of forming die of rotor coil, the bottom center of the upper die is fixedly provided with a convex pressing plate, the top of the mounting seat is provided with an inserting mounting groove, the bottom of the lower die is integrally formed with an inserting column matched with the inserting mounting groove, the top center of the lower die is provided with a bending forming groove matched with the convex pressing plate, the bottom of the bending forming groove is provided with a top pressing groove, one side of the top of the lower die close to the bending forming groove is fixedly provided with a bending positioning step, the four corners of the top of the lower die are provided with positioning grooves matched with the positioning column, the coil can be made into a preset arc shape by one step, the processing precision and the processing efficiency are improved, the coil with different arc model specifications can be conveniently replaced by only replacing the lower die when coils with different arc model specifications are needed, the operation is convenient, other parts can be repeatedly used, the fault tolerance rate is high, the use cost is low, and the processing efficiency is high.

Description

Forming die of rotor coil

Technical Field

The utility model relates to a rotor coil's forming die technical field specifically is a rotor coil's forming die.

Background

In order to ensure the wire inserting quality of the rotor and reduce the wire inserting difficulty of the rotor coil in the wire inserting process, before the wire inserting, the rotor coil is subjected to bending treatment, the treated coil comprises a straight line part, a head combining part and an arc line part, the straight line part and the head combining part are connected by the arc line part, and the bending of the arc line part is matched with a special mould to be formed by manual knocking during the general processing, in the knocking process, the shape and the size of the rotor coil are difficult to ensure the consistency due to manual knocking, and strike the mould for a long time and can cause the mould to warp, the dimensional error of coil is also bigger and bigger, finally leads to the coil can't satisfy the drawing requirement, directly scrap even, causes rotor coil to buckle non-uniformly, can appear the unreliable problem of structure often, and production efficiency is low moreover, for this reason, we provide a forming die of rotor coil.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forming die of rotor coil to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a forming die of a rotor coil comprises a base, wherein supporting columns are fixedly arranged at four corners of the top of the base, a top plate is fixedly assembled at the tops of two groups of supporting columns, a hydraulic cylinder is fixedly arranged at the center of the bottom of the top plate, an upper die is fixedly assembled at the output end of the hydraulic cylinder, a convex pressing plate is fixedly assembled at the center of the bottom of the upper die, positioning columns are fixedly assembled at four corners of the bottom of the upper die, a mounting seat is fixedly arranged at the center of the top of the base, a lower die matched with the upper die is spliced and assembled at the top of the mounting seat, a splicing mounting groove is formed in the top of the mounting seat, splicing columns matched with the splicing mounting groove are integrally formed in the bottom of the lower die, fastening bolts are fixedly assembled between the mounting seat and the splicing columns, and a bending forming groove matched with the convex pressing plate is formed, the bottom has seted up the top indent in the shaping groove of bending, the top of lower mould is close to the fixed location step that is provided with of one side in shaping groove of bending, the constant head tank with reference column looks adaptation is all seted up in the top four corners department of lower mould, the top left and right sides of mount pad is all fixed and is provided with branch, and is two sets of the top of branch is all fixed to be equipped with the guide cylinder.

Preferably, the positioning column is matched with the positioning groove, and a fixing cylinder matched with the positioning column is fixedly assembled on the inner wall of the positioning groove.

Preferably, the convex pressing plate is matched with the bending forming groove in size, and an arc-shaped groove corresponding to the jacking groove is formed in the bottom of the convex pressing plate.

Preferably, the two groups of bending positioning steps are provided with arc-shaped grooves which are communicated with each other in a left-right mode, the arc-shaped grooves are communicated with the bending forming grooves, and the guide cylinder and the bending positioning steps are arranged on the same horizontal plane.

Preferably, the inserting column and the lower die are integrally formed, the inserting column is matched with the inserting mounting groove, and threaded through holes matched with the fastening bolts are uniformly formed in the left side wall and the right side wall of the mounting seat.

Preferably, the hydraulic cylinder is connected with an external oil pump through an oil pipe, and the external oil pump is electrically connected with an external power supply.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, can realize the location installation to the coil after passing the coil guide cylinder in proper order, the location step that bends, the roof pressure groove, be convenient for guarantee the precision of bending of rotor coil, then the pneumatic cylinder is stretched out and is driven the convex clamp plate on the last mould and move down and the shaping groove that bends assembles, reference column can coincide with the locating groove simultaneously can improve the precision of bending, guarantee the assembly precision of last mould and lower mould, thus the convex clamp plate can coincide with the shaping groove that bends and can press the coil, can impel the coil gomphosis in the roof pressure groove, and the last mould can pressfitting coil in the location step that bends, the guide cylinder can realize spacing to the coil, can make the coil into predetermined arc shape one step, the simple operation, improve machining precision and machining efficiency, simultaneously can be convenient for realizing the change of lower mould through fastening bolt with lower mould and mount pad fixed connection, the coil of being convenient for when needing different arc model specification models only need change the lower mould can, the simple operation, but other parts repeatedly usable, the fault-tolerant rate is high, and use cost is lower simultaneously, and machining efficiency is higher.

Drawings

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

fig. 2 is the overall sectional structure diagram of the present invention.

In the figure: the device comprises a base 1, a support column 2, a top plate 3, a hydraulic cylinder 4, an upper mold 5, a convex pressing plate 6, a positioning column 7, an installation seat 8, a lower mold 9, an insertion installation groove 10, an insertion column 11, a fastening bolt 12, a bending forming groove 13, a jacking groove 14, a bending positioning step 15, a positioning groove 16, a supporting rod 17 and a guide cylinder 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a forming die of a rotor coil comprises a base 1, supporting columns 2 are fixedly arranged at four corners of the top of the base 1, a top plate 3 is fixedly assembled at the tops of the two groups of supporting columns 2, a hydraulic cylinder 4 is fixedly arranged at the center of the bottom of the top plate 3, an upper die 5 is fixedly assembled at the output end of the hydraulic cylinder 4, a convex pressing plate 6 is fixedly assembled at the center of the bottom of the upper die 5, positioning columns 7 are fixedly assembled at four corners of the bottom of the upper die 5, an installation seat 8 is fixedly arranged at the center of the top of the base 1, a lower die 9 matched with the upper die 5 is spliced at the top of the installation seat 8, a splicing installation groove 10 is formed at the top of the installation seat 8, splicing columns 11 matched with the splicing installation groove 10 are integrally formed at the bottom of the lower die 9, the installation seat 8 and the splicing columns 11 are fixedly assembled through fastening bolts 12, a bending forming groove 13, the top indent 14 has been seted up to the bottom in the shaping groove 13 that bends, and the top of lower mould 9 is close to one side fixed being provided with the location step 15 that bends in shaping groove 13, and the constant head tank 16 with reference column 7 looks adaptation is all seted up in the top four corners department of lower mould 9, and the top left and right sides of mount pad 8 is all fixed and is provided with branch 17, and the top of two sets of branch 17 is all fixed to be equipped with guide cylinder 18.

Referring to fig. 2, the positioning column 7 is matched with the positioning groove 16, and a fixing cylinder matched with the positioning column 7 is fixedly assembled on the inner wall of the positioning groove 16, so that the positioning column 7 can be overlapped with the positioning groove 16 to improve the bending precision, and the assembly precision of the upper die 5 and the lower die 9 is ensured;

the sizes of the convex pressing plate 6 and the bending forming groove 13 are matched, and an arc-shaped groove corresponding to the top pressing groove 14 is formed in the bottom of the convex pressing plate 6;

referring to fig. 2, two groups of bending positioning steps 15 are respectively provided with arc-shaped grooves which are communicated left and right, the arc-shaped grooves are communicated with the bending forming grooves 13, the guide cylinder 18 and the bending positioning steps 15 are arranged on a horizontal plane, and the coil sequentially passes through the guide cylinder 18, the bending positioning steps 15 and the top pressing groove 14, so that the coil can be positioned and installed, can be limited, and the bending precision of the rotor coil can be ensured;

the inserting column 11 and the lower die 9 are integrally formed, the inserting column 11 is matched with the inserting mounting groove 10, and threaded through holes matched with the fastening bolts 12 are uniformly formed in the left side wall and the right side wall of the mounting seat 8;

the hydraulic cylinder 4 is connected with an external oil pump through an oil pipe, and the external oil pump is electrically connected with an external power supply.

The working principle is as follows: the coil sequentially passes through the guide cylinder 18, the bending positioning step 15 and the pressing groove 14 to realize positioning installation of the coil, the coil can be limited, the bending precision of the rotor coil is convenient to guarantee, then an external oil pump is started to enable the hydraulic cylinder 4 to extend outwards, the convex pressing plate 6 on the upper die 5 can be driven to move downwards and assemble the bending forming groove 13, meanwhile, the positioning column 7 can be overlapped with the positioning groove 16 to improve the bending precision, the assembly precision of the upper die 5 and the lower die 9 is guaranteed, so that the convex pressing plate 6 can be overlapped with the bending forming groove 13 to press the coil, the coil can be enabled to be embedded in the pressing groove 14, the upper die 5 can press the coil in the bending positioning step 15, the guide cylinder 18 can limit the coil, the coil can be made into a preset arc shape in one step, the operation is convenient and fast, and the processing precision and the processing efficiency are improved, simultaneously can be convenient for realize the change of lower mould 9 with

lower mould

9 and 8 fixed connection of mount pad through fastening bolt 12, be convenient for when needing the coil of different arc model specification models only with change lower mould 9 can, the simple operation, other parts repeatedly usable, the fault-tolerant rate is high, and use cost is lower simultaneously, and machining efficiency is higher.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a forming die of rotor coil, includes base (1), its characterized in that: the top four corners of the base (1) are fixedly provided with supporting columns (2), the tops of two groups of supporting columns (2) are fixedly assembled with a top plate (3), the bottom center of the top plate (3) is fixedly provided with a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) is fixedly assembled with an upper die (5), the bottom center of the upper die (5) is fixedly assembled with a convex pressing plate (6), the bottom four corners of the upper die (5) are fixedly assembled with positioning columns (7), the top center of the base (1) is fixedly provided with a mounting seat (8), the top of the mounting seat (8) is spliced and assembled with a lower die (9) matched with the upper die (5), the top of the mounting seat (8) is provided with a splicing mounting groove (10), and the bottom of the lower die (9) is integrally formed with a splicing column (11) matched with the splicing mounting groove (10), and through fastening bolt (12) fixed assembly between mount pad (8) and plug-in post (11), the top center department of lower mould (9) sets up the shaping groove (13) of bending with convex clamp plate (6) looks adaptation, top indent (14) have been seted up to the bottom in shaping groove (13) of bending, one side that the top of lower mould (9) is close to shaping groove (13) of bending is fixed and is provided with location step (15), constant head tank (16) with reference column (7) looks adaptation are all seted up to the top four corners department of lower mould (9), the top left and right sides of mount pad (8) all fixedly is provided with branch (17), and is two sets of the top of branch (17) is all fixed to be equipped with guide cylinder (18).

2. The forming die for the rotor coil as claimed in claim 1, wherein: the positioning column (7) is matched with the positioning groove (16), and a fixing cylinder matched with the positioning column (7) is fixedly assembled on the inner wall of the positioning groove (16).

3. The forming die for the rotor coil as claimed in claim 1, wherein: the size of the convex pressing plate (6) is matched with that of the bending forming groove (13), and an arc-shaped groove corresponding to the top pressing groove (14) is formed in the bottom of the convex pressing plate (6).

4. The forming die for the rotor coil as claimed in claim 1, wherein: the left and right through arc-shaped grooves are formed in the two bending positioning steps (15), the arc-shaped grooves are communicated with the bending forming grooves (13), and the guide cylinder (18) and the bending positioning steps (15) are arranged on the same horizontal plane.

5. The forming die for the rotor coil as claimed in claim 1, wherein: the plug column (11) and the lower die (9) are integrally formed, the plug column (11) is matched with the plug mounting groove (10), and threaded through holes matched with the fastening bolts (12) are uniformly formed in the left side wall and the right side wall of the mounting seat (8).

6. The forming die for the rotor coil as claimed in claim 1, wherein: the hydraulic cylinder (4) is connected with an external oil pump through an oil pipe, and the external oil pump is electrically connected with an external power supply.