CN214978791U - Welding positioning tool for scattered pieces of oil-cooled motor stator - Google Patents

Welding positioning tool for scattered pieces of oil-cooled motor stator Download PDF

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Publication number
CN214978791U
CN214978791U CN202023240814.2U CN202023240814U CN214978791U CN 214978791 U CN214978791 U CN 214978791U CN 202023240814 U CN202023240814 U CN 202023240814U CN 214978791 U CN214978791 U CN 214978791U
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China
Prior art keywords
positioning
guide
welding
ring
backing plate
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CN202023240814.2U
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Chinese (zh)
Inventor
周宜存
鹿普
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Jiangyin Huaxin Precision Technology Co ltd
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Jiangyin Huaxin Precision Technology Co ltd
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Abstract

The utility model relates to the technical field of iron core manufacturing process equipment, in particular to a welding positioning tool for oil-cooled motor stator loose pieces, which comprises a lower die holder and an upper die holder, wherein a bulk iron core positioning assembly is arranged on the lower die holder, and a bulk iron core pressing assembly is arranged on the upper die holder; the welding position frock is installed on special welding equipment, special welding equipment includes the workstation and sets up lift pressure platform, the setting directly over the workstation are in the other welding machines hand of workstation, the die holder with the workstation is connected, the upper die base with lift pressure platform is connected. The utility model provides the high precision of iron core closed assembly has improved the magnetic property of iron core, and production efficiency is higher.

Description

Welding positioning tool for scattered pieces of oil-cooled motor stator
Technical Field
The utility model relates to an iron core manufacturing process equips technical field, concretely relates to welding position frock of scattered piece of oil-cooled motor stator.
Background
Fig. 2 shows a stator core of an oil-cooled motor, which is a bulk stacked core structure and is formed by stacking a plurality of stamped silicon steel sheets and welding the stacked sheets. The outer side surface of the stator core is provided with a welding groove, and the silicon steel sheets are overlapped and then filled into the welding groove through argon arc welding, so that the overlapped silicon steel sheets are connected into a whole.
Because the stator core is in a bulk structure before welding, the common manufacturing method is to use a positioning mandrel to realize the stacking positioning of the silicon steel sheets and then weld. However, the two adjacent silicon steel sheets are not in close contact after being overlapped, so that the height of the overlapped iron core is easily ultrahigh, and the magnetic performance of the iron core is influenced.
Therefore, it is necessary to design and manufacture a new welding positioning tool, and to match the related welding equipment to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a welding position frock of scattered piece of oil-cooled motor stator aims at improving the precision of iron core closed assembly, improves the magnetic property of iron core. The specific technical scheme is as follows:
a welding positioning tool for scattered sheets of an oil-cooled motor stator comprises a lower die base and an upper die base, wherein a bulk iron core positioning assembly is arranged on the lower die base, and a bulk iron core pressing assembly is arranged on the upper die base; the welding position frock is installed on special welding equipment, special welding equipment includes the workstation and sets up lift pressure platform, the setting directly over the workstation are in the other welding machines hand of workstation, the die holder with the workstation is connected, the upper die base with lift pressure platform is connected.
Preferably, the number of the welding manipulators is two, and the welding manipulators are respectively arranged on two sides of the workbench.
In the utility model, the bulk iron core positioning assembly comprises a guide backing plate, a guide positioning plate, a wear-resistant backing plate, a middle mandrel, a positioning ring, a guide post and a positioning rod, wherein the guide backing plate is fixed on the lower die holder, the guide backing plate, the guide positioning plate and the wear-resistant backing plate are sequentially connected from bottom to top in an overlapped manner, the central positions of the guide backing plate, the guide positioning plate and the wear-resistant backing plate are respectively provided with a through hole, the middle mandrel is vertically connected on the through hole of the guide backing plate, the excircle of the positioning ring is respectively connected with the through holes of the guide positioning plate and the wear-resistant backing plate, the inner hole of the positioning ring is connected with the middle mandrel, and the positioning ring is fixed on the guide backing plate through a pressing plate and a screw; the guide backing plate, the guide positioning plate and the wear-resistant backing plate are arranged on the periphery of the positioning ring, and a plurality of guide column mounting holes and a plurality of positioning rod mounting holes are formed in the periphery of the positioning ring respectively.
Preferably, the center of the workbench is provided with a central mounting hole, and the lower end of the middle mandrel is positioned in the central mounting hole.
In the utility model, the bulk iron core pressing assembly comprises a guide ring and a wear-resistant pressing plate, the guide ring is fixedly connected with the upper die base, and the wear-resistant pressing plate is fixedly connected with the guide ring; the guide ring is provided with a positioning hole which is used for being connected with the positioning rod in a sliding fit mode, and the wear-resistant pressing plate is provided with a guide hole which is used for being connected with the guide post in a sliding fit mode.
The utility model discloses in, the die holder is fixed through pressing the ring down on the workstation.
The utility model discloses in, the upper die base is fixed through last clamping ring on the lift platen.
The utility model discloses in, the upper end of position circle is provided with the terminal surface locating plate.
The utility model discloses in, the height of locating lever highly surpasss the height of locating ring up end, goes up the centering location of mould (iron core in bulk compresses tightly the subassembly) and bed die (iron core locating component in bulk) when can make things convenient for the frock installation from this.
The utility model discloses a use method as follows: the welding positioning tool is installed on welding equipment with a workbench and a lifting pressing table, then a plurality of silicon steel sheets are positioned on a bulk iron core positioning assembly, so that an inner hole of the silicon steel sheets is positioned with the outer circle of a positioning ring, positioning rods on the bulk iron core positioning assembly penetrate into circumferential positioning holes of the silicon steel sheets, after the silicon steel sheets are positioned and overlapped in the bulk iron core positioning assembly, the lifting pressing table is opened, the lifting pressing table drives the bulk iron core pressing assembly to move downwards, the upper die and the lower die are combined and pressed under the guidance of a guide column, so that two adjacent silicon steel sheets in the bulk iron core are in close contact, and then a welding manipulator is opened to weld a groove body on the iron core.
The utility model has the advantages that:
first, the utility model discloses a welding position frock of scattered piece of oil-cooled motor stator is provided with iron core locating component in bulk and iron core in bulk and compresses tightly the subassembly, the cooperation has special welding equipment and the welding manipulator that goes up and down to press the platform, silicon steel sheet high accuracy location under having realized a clamping, compress tightly and automated welding, the contact of two adjacent silicon steel sheets is comparatively inseparable in the iron core in bulk under the effect that goes up and down to press the platform, the precision of iron core closed assembly has been improved from this to the magnetic property of iron core has been improved, and production efficiency is higher.
Second, the utility model discloses a welding position frock of oil-cooled motor stator piece, the locating lever set up this centering location that can make things convenient for mould (bulk iron core to compress tightly the subassembly) and bed die (bulk iron core locating component) when the frock installation.
Third, the utility model discloses a welding position frock of scattered piece of oil-cooled motor stator, wear-resisting backing plate, wear-resisting clamp plate are removable structure, are favorable to guaranteeing the precision of iron core location in bulk and pressure equipment.
Drawings
Fig. 1 is a schematic structural view of a welding and positioning tool for oil-cooled motor stator loose pieces of the present invention;
fig. 2 is a schematic structural diagram of a bulk core of an oil-cooled motor.
In the figure: 1. the device comprises a lower die holder, 2, an upper die holder, 3, a bulk iron core positioning assembly, 4, a bulk iron core pressing assembly, 5, a workbench, 6, a lifting pressing table, 7, a welding manipulator, 8, a guide backing plate, 9, a guide positioning plate, 10, a wear-resistant backing plate, 11, a middle mandrel, 12, a positioning ring, 13, a guide column, 14, a positioning rod, 15, a pressing plate, 16, a screw, 17, a central mounting hole, 18, a guide ring, 19, a wear-resistant pressing plate, 20, a positioning hole, 21, a guide hole, 22, a lower pressing ring, 23, an upper pressing ring, 24 and an end face positioning plate.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 2 show an embodiment of a welding positioning tool for oil-cooled motor stator loose pieces, which includes a lower die holder 1 and an upper die holder 2, wherein the lower die holder 1 is provided with a bulk iron core positioning assembly 3, and the upper die holder is provided with a bulk iron core pressing assembly 4; the welding position frock is installed on special welding equipment, special welding equipment includes workstation 5 and sets up lift pressure table 6, the setting directly over workstation 5 are in the other welding machines hand 7 of workstation 5, die holder 1 with workstation 5 is connected, upper die base 2 with lift pressure table 6 is connected.
Preferably, the number of the welding manipulators 7 is two, and the welding manipulators are respectively arranged on two sides of the workbench.
In this embodiment, the bulk iron core positioning assembly 3 includes a guide backing plate 8, a guide positioning plate 9, a wear-resistant backing plate 10, a middle mandrel 11, a positioning ring 12, a guide post 13 and a positioning rod 14, the guide backing plate 8 is fixed on the lower die holder 1, the guide backing plate 8, the guide positioning plate 9 and the wear-resistant backing plate 10 are sequentially connected in an overlapped manner from bottom to top, through holes are respectively formed in the center positions of the guide backing plate 8, the middle mandrel 11 is vertically connected to the through holes of the guide backing plate 8, the outer circle of the positioning ring 12 is respectively connected with the through holes of the guide positioning plate 9 and the wear-resistant backing plate 10, the inner hole of the positioning ring 12 is connected with the middle mandrel 11, and the positioning ring 12 is fixed on the guide backing plate 8 through a pressing plate 15 and a screw 16; the guide backing plate 8, the guide positioning plate 9 and the wear-resistant backing plate 10 are arranged on the periphery of the positioning ring 12, and a plurality of guide post mounting holes and positioning rod mounting holes are formed in the periphery of the positioning ring respectively, the guide posts 13 are vertically connected to the guide post mounting holes, and the positioning rods 14 are vertically connected to the positioning rod mounting holes.
Preferably, the center of the working table 5 is provided with a central mounting hole 17, and the lower end of the middle mandrel 11 is positioned in the central mounting hole 17.
In this embodiment, the bulk iron core pressing assembly 4 includes a guide ring 18 and a wear-resistant pressing plate 19, the guide ring 18 is fixedly connected with the upper die holder 2, and the wear-resistant pressing plate 19 is fixedly connected with the guide ring 18; the guide ring 18 is provided with a positioning hole 20 for sliding fit connection with the positioning rod 14, and the wear-resistant pressing plate 19 is provided with a guide hole 21 for sliding fit connection with the guide post 13.
In this embodiment, the lower die holder 1 is fixed on the workbench 5 through a lower pressing ring 22.
In this embodiment, the upper die holder 2 is fixed on the lifting press table 6 through an upper press ring 23.
In this embodiment, an end surface positioning plate 24 is disposed at the upper end of the positioning ring 12.
In this embodiment, the height of the positioning rod 14 exceeds the height of the upper end surface of the positioning ring 12, so that the centering and positioning of the upper die (the bulk iron core pressing component 4) and the lower die (the bulk iron core positioning component 3) can be facilitated during tool installation.
The method of use of this example is as follows: the welding positioning tool is installed on a welding device with a workbench 5 and a lifting pressing table 6, then a plurality of silicon steel sheets are positioned on a bulk iron core positioning component 3, so that the inner holes of the silicon steel sheets are positioned with the outer circle of a positioning ring 12, positioning rods 14 on the bulk iron core positioning component 3 penetrate into circumferential positioning holes of the silicon steel sheets, after the silicon steel sheets are positioned and overlapped in the bulk iron core positioning component 3, the lifting pressing table 6 is opened, the lifting pressing table 6 drives a bulk iron core pressing component 4 to move downwards, the upper die and the lower die are oppositely combined and pressed under the guidance of a guide column 13, so that two adjacent silicon steel sheets in the bulk iron core are in close contact, and then a welding manipulator 7 is opened to weld a groove body on the iron core.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A welding positioning tool for scattered sheets of an oil-cooled motor stator is characterized by comprising a lower die base and an upper die base, wherein a loose iron core positioning assembly is arranged on the lower die base, and a loose iron core pressing assembly is arranged on the upper die base; the welding position frock is installed on special welding equipment, special welding equipment includes the workstation and sets up lift pressure platform, the setting directly over the workstation are in the other welding machines hand of workstation, the die holder with the workstation is connected, the upper die base with lift pressure platform is connected.
2. The welding positioning tool for the oil-cooled motor stator loose pieces as claimed in claim 1, wherein the number of the welding manipulators is two, and the welding manipulators are respectively arranged on two sides of the workbench.
3. The welding and positioning tool for the oil-cooled motor stator loose piece is characterized in that the bulk iron core positioning assembly comprises a guide backing plate, a guide positioning plate, a wear-resistant backing plate, a middle mandrel, a positioning ring, a guide post and a positioning rod, wherein the guide backing plate is fixed on the lower die base, the guide backing plate, the guide positioning plate and the wear-resistant backing plate are sequentially connected in an overlapped mode from bottom to top, through holes are formed in the center positions of the guide backing plate, the middle mandrel is vertically connected to the through holes of the guide backing plate, the outer circle of the positioning ring is connected with the through holes of the guide positioning plate and the wear-resistant backing plate respectively, the inner hole of the positioning ring is connected with the middle mandrel, and the positioning ring is fixed on the guide backing plate through a pressing plate and a screw; the guide backing plate, the guide positioning plate and the wear-resistant backing plate are arranged on the periphery of the positioning ring, and a plurality of guide column mounting holes and a plurality of positioning rod mounting holes are formed in the periphery of the positioning ring respectively.
4. The welding and positioning tool for the oil-cooled motor stator loose pieces as claimed in claim 3, wherein a central mounting hole is formed in the center of the workbench, and the lower end of the middle mandrel is positioned in the central mounting hole.
5. The welding and positioning tool for the oil-cooled motor stator loose pieces as claimed in claim 3, wherein the loose iron core pressing assembly comprises a guide ring and a wear-resistant pressing plate, the guide ring is fixedly connected with the upper die base, and the wear-resistant pressing plate is fixedly connected with the guide ring; the guide ring is provided with a positioning hole which is used for being connected with the positioning rod in a sliding fit mode, and the wear-resistant pressing plate is provided with a guide hole which is used for being connected with the guide post in a sliding fit mode.
6. The welding and positioning tool for the oil-cooled motor stator loose pieces as claimed in claim 1, wherein the lower die holder is fixed on the workbench through a lower pressing ring.
7. The tooling of claim 1, wherein the upper die holder is fixed to the elevating platen via an upper clamping ring.
8. The welding and positioning tool for the oil-cooled motor stator loose piece as claimed in claim 3, wherein an end face positioning plate is arranged at the upper end of the positioning ring.
CN202023240814.2U 2020-12-29 2020-12-29 Welding positioning tool for scattered pieces of oil-cooled motor stator Active CN214978791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023240814.2U CN214978791U (en) 2020-12-29 2020-12-29 Welding positioning tool for scattered pieces of oil-cooled motor stator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023240814.2U CN214978791U (en) 2020-12-29 2020-12-29 Welding positioning tool for scattered pieces of oil-cooled motor stator

Publications (1)

Publication Number Publication Date
CN214978791U true CN214978791U (en) 2021-12-03

Family

ID=79141706

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023240814.2U Active CN214978791U (en) 2020-12-29 2020-12-29 Welding positioning tool for scattered pieces of oil-cooled motor stator

Country Status (1)

Country Link
CN (1) CN214978791U (en)

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