CN218656482U

CN218656482U - Stator plastic pressure equipment mould

Info

Publication number: CN218656482U
Application number: CN202223199230.4U
Authority: CN
Inventors: 郑言文; 过烨燕; 刘超; 姚建; 马功; 赵志亮; 上官佳颖
Original assignee: Zhejiang Jufeng Technology Co ltd
Current assignee: Zhejiang Jufeng Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-21
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a stator plastic pressure equipment mould, the type relates to motor workpiece production field, and discloses including the bottom plate, the top outer wall connection of bottom plate has multiunit straight tube fore-set, the fixed apron under the top fixedly connected with of straight tube fore-set, and the top fixed mounting of fixed apron has the same lower fixed cardboard of diameter down, be provided with the mould section of thick bamboo subassembly that rises that can deform down on the fixed cardboard, the top that rises the mould section of thick bamboo subassembly is provided with the last gland subassembly of being connected with hydraulic power output end, the top and the bottom that rise the mould section of thick bamboo subassembly all are provided with reset assembly, and this pressure equipment mould can carry out synchronous plastic to inside when the pressure equipment of stator workpiece is as an organic whole through will rising the synchronous deformation of mould section of thick bamboo subassembly, guarantees that the circle face is level and concentric with the excircle in the stator, and the notch is unanimous, has guaranteed the quality of stator production.

Description

Stator plastic pressure equipment mould

Technical Field

The utility model relates to a motor work piece production field specifically is a stator plastic pressure equipment mould.

Background

The stator is a static part of the motor or the generator, the stator generates alternating current under the action of the stator, the stator consists of a stator iron core, a stator winding and a machine base, the machine base is used for fixing the iron core, for the suspension generator, the machine base is used for bearing the whole weight of a rotating part, the iron core is a part of a magnetic circuit of the generator, and a coil forms a circuit of the generator; in part of existing stator manufacturing processes, press-fitting acting force is applied to arc-shaped parts of each lamination through a press, most of dies used by winding parts use a lead screw to rotate downwards, an expansion core pushes an expansion block to extrude an iron core outwards in a mode of pressing down the expansion core along with the lead screw, the expansion block cannot have enough strength to extrude the iron core, the winding parts of the laminated press-fitting formed stator are warped, the purpose of flattening the inner circular surface of the iron core cannot be effectively achieved, axial ends are extremely uneven, the inner circle and the outer circle are not concentric, groove types of winding grooves are not uniform, notches of the winding grooves are not uniform, and the enameled wires are difficult to wind in the winding grooves.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a stator plastic pressure equipment mould has solved foretell problem.

Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stator plastic pressure equipment mould, includes the bottom plate, the top outer wall connection of bottom plate has the multiunit straight tube fore-set, fixed apron under the top fixedly connected with of straight tube fore-set, and the top fixed mounting of fixed apron down has the same lower fixed cardboard of diameter, be provided with the mould section of thick bamboo subassembly that rises that can deform down on the fixed cardboard, the top that rises the mould section of thick bamboo subassembly is provided with the last gland subassembly of being connected with hydraulic power output end, the top and the bottom that rise the mould section of thick bamboo subassembly all are provided with reset assembly.

Preferably, the mold expansion cylinder assembly comprises a conical expansion mold and a conical expansion mold inner core, an inverted T-shaped cavity with an open top end is formed in the lower fixing clamping plate, three groups of conical expansion molds are clamped in the inverted T-shaped cavity of the lower fixing clamping plate, the three groups of conical expansion molds are combined into a cylinder, the bottom end of the conical expansion mold is provided with an extension integrally used for clamping the interior of the lower fixing clamping plate, a gap exists between the inner walls of the side surfaces of the inverted T-shaped cavities of the extension at the lower end of the conical expansion mold, and the conical expansion mold inner core is filled in the cylinder formed by the three groups of conical expansion molds and is attached to the inner wall of the conical expansion mold.

Preferably, the top end of the conical expansion die inner core is higher than that of the conical expansion die, and the conical expansion die inner core is in a conical shape with a large upper part and a small lower part.

Preferably, the reset assembly comprises an ejector pin and a spring, a vertical spring is fixedly connected to the center of the top of the lower fixed plate, a notch is formed in the center of the bottom of the lower fixed cover plate, the lower fixed cover plate is clamped with the cross ejector pin, the top end of the ejector pin penetrates through the lower fixed cover plate and the lower fixed clamping plate and is tightly attached to the lower end of the conical expansion die inner core, the bottom of the horizontal portion of the ejector pin is fixedly connected with the top end of the spring, the lower end of the ejector pin extends into the spring, and a piston sleeve sleeved on the periphery of the spring and the ejector pin is connected between the lower fixed plate and the lower fixed cover plate.

Preferably, the upper gland assembly comprises an upper fixing plate and an upper fixing cover plate, the upper fixing plate is connected to the upper hydraulic power end, the outer wall of the bottom of the upper fixing plate is also connected with a plurality of groups of straight pipe jacking columns, the bottom ends of the straight pipe jacking columns are fixedly connected with the upper fixing cover plate attached to the top end of the conical expansion die inner core, and the reset assemblies in the upper gland assembly are symmetrically arranged with the reset assemblies between the lower fixing plate and the lower fixing cover plate.

Preferably, the center of the top end of the outer wall of the side face of the conical expansion die is fixedly clamped with a limiting piece.

The utility model discloses possess following beneficial effect:

1. this stator plastic pressure equipment mould, treat that the laminating of processing work piece cup joints behind the outer wall of the mould that rises of three group toper that are the drum type, can will cup joint the mould whole transport that the stator work piece, pressure equipment below, it is the toper that rises in the mould inner core downwards and the mould section of thick bamboo subassembly that rises in the last fixed apron in the gland subassembly to drive through hydraulic power output this moment, it is big-end-up's toper to rise the mould inner core through the toper, the toper rises the mould inner core in the in-process of removal downwards, make three group toper rise the mould and expand outwards in step, extrude the inner wall of stator work piece, thereby through moving down the toper that rises in the mould inner core punching press of the mould section of thick bamboo subassembly and drive three group toper rise moulds and rise outwards in step, can carry out synchronous plastic to the inside when the pressure equipment of stator work piece is as an organic whole, guarantee that the stator inner disc is level and with the excircle, the notch is unanimous, the quality of stator production has been guaranteed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the three-dimensional structure of the expansion cylinder assembly of the present invention.

In the figure: 1. a lower fixing plate; 2. a die cylinder expanding component; 3. an upper gland assembly; 4. a straight pipe support pillar; 5. a lower fixed cover plate; 6. a lower fixing clamping plate; 7. conical expansion die; 8. a conical expansion die inner core; 9. an inverted T-shaped cavity; 10. an upper fixing plate; 11. an upper fixed cover plate; 12. ejecting the needle; 13. a spring; 14. and a limiting member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-2, a stator shaping and press-fitting mold comprises a lower fixing plate 1, wherein the outer wall of the top of the lower fixing plate 1 is connected with a plurality of groups of straight tube supporting pillars 4, the top of each straight tube supporting pillar 4 is fixedly connected with a lower fixing cover plate 5, the top end of each lower fixing cover plate 5 is fixedly provided with a lower fixing clamping plate 6 with the same diameter, a deformable mold expansion cylinder assembly 2 is arranged on each lower fixing clamping plate 6, the top end of each mold expansion cylinder assembly 2 is provided with an upper gland assembly 3 connected with a hydraulic power output end, and the top and the bottom of each mold expansion cylinder assembly 2 are provided with reset assemblies.

The mold expansion cylinder component 2 comprises a conical expansion mold 7 and a conical expansion mold inner core 8, an inverted T-shaped cavity 9 with an opening at the top end is formed in the lower fixing clamping plate 6, three groups of conical expansion molds 7 are clamped in the lower fixing clamping plate 6 through the inverted T-shaped cavity 9, the three groups of conical expansion molds 7 are combined into a cylinder shape, the bottom end of the conical expansion mold 7 is provided with an extension integrally used for clamping the interior of the lower fixing clamping plate 6, a gap exists between the inner walls of the side surfaces of the inverted T-shaped cavity 9 of the extension part at the lower end of the conical expansion mold 7, the conical expansion mold inner core 8 is filled in the cylinder formed by the three groups of conical expansion molds 7 and is attached to the inner wall of the conical expansion mold 7, the top end of the conical expansion mold inner core 8 is higher than the top end of the conical expansion mold 7, and the conical expansion mold inner core 8 is in a big-up and small-down conical shape; the upper fixed cover plate 11 in the upper gland component 3 is driven to move downwards through hydraulic power output and the conical expansion die inner core 8 in the expansion die cylinder component 2 is driven to move downwards, the conical expansion die inner core 8 is a cone with a large upper part and a small lower part, and the conical expansion die inner core 8 moves downwards, so that the three groups of conical expansion dies 7 synchronously expand outwards to extrude the inner wall of the stator workpiece.

Reset unit includes ejector pin 12 and spring 13, the spring 13 of the vertical form of top center department fixedly connected with of bottom plate 1, 5 bottom center departments of lower fixed cover plate set up jaggedly and the joint has cross form ejector pin 12, ejector pin 12 top runs through fixed cover plate 5 and lower fixed cardboard 6 down and rises the low side of mould inner core 8 with the toper and closely laminate, the horizontal part bottom and the 13 top fixed connection of spring of ejector pin 12, and the inside of the low side extension spring 13 of ejector pin 12, be connected with between bottom plate 1 and the lower fixed cover plate 5 and cup joint at spring 13 and ejector pin 12 outlying piston sleeve, after accomplishing the pressure equipment operation, the ejector pin 12 of upper and lower place is reset through the elastic force effect of two sets of springs 13 in the reset unit, the ejector pin 12 of below can upwards push up the toper and rise mould inner core 8 and toper and rise mould 7 and reset simultaneously.

Go up gland subassembly 3 and include upper fixed plate 10 and last fixed cover plate 11, upper fixed plate 10 is connected on the hydraulic power end in the top, and the outer wall in upper fixed plate 10 bottom also is connected with multiunit straight tube fore-set 4, and the bottom fixedly connected with of multiunit straight tube fore-set 4 rises the last fixed cover plate 11 that the mould inner core 8 top was laminated with the toper, reset assembly among the last gland subassembly 3 and the reset assembly symmetry setting between lower fixed plate 1 and the lower fixed cover plate 5.

The locating part 14 is fixedly clamped at the top center of the outer wall of the side face of the conical expansion die 7, when the conical expansion die is used for stamping, two groups of stator workpieces and annular workpieces are sequentially sleeved on the periphery of the expansion die cylinder component 2, and the locating part 14 penetrates through the inner gap of the stator workpieces when the stator workpieces are sleeved, so that the workpieces can be limited when being sleeved.

The working principle is as follows: during punching, two groups of stator workpieces and an annular workpiece are sequentially sleeved on the periphery of the expansion die cylinder assembly 2, and during sleeving, the inner gap of the stator workpiece penetrates through the limiting piece 14 to limit when the workpieces are sleeved, a workpiece to be processed is attached to and sleeved on the outer walls of the three cylindrical conical expansion dies 7, the die sleeved with the stator workpieces can be integrally conveyed to the lower part of the press-fitting equipment, at the moment, an upper fixing cover plate 11 in the upper gland assembly 3 is driven to move downwards and a conical expansion die inner core 8 in the expansion die cylinder assembly 2 through hydraulic power output, the conical expansion die inner core 8 is a cone with a large upper part and a small lower part, the three groups of conical expansion dies 7 synchronously expand outwards in the downward moving process, the inner wall of the stator workpiece is extruded, the downward moving of the conical expansion die inner core 8 drives a downward moving ejection needle 12 which is issued to move downwards and compress and deform the spring 13, and the upward moving compression spring 13 deforms, and after press-fitting operation is completed, the upward moving of the ejection needle 12 below the two groups of springs 13 in the reset assembly, and upward moving the conical expansion die inner core 12 and resetting needle to reset the conical expansion die inner core 8; this pressure equipment mould moves down through the toper that will rise in the die cylinder subassembly 2 mould core 8 punching press and drives three group toper and rise the mould 7 synchronous external rising that rises, can carry out synchronous plastic to its inside when as an organic whole to stator work piece pressure equipment, guarantees that the inner circular surface of stator is level and smooth and concentric with the excircle, and the notch is unanimous, has guaranteed the quality of stator production.

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 stator plastic pressure equipment mould, includes bottom plate (1), its characterized in that the top outer wall of bottom plate (1) is connected with multiunit straight tube fore-set (4), fixed cover plate (5) under the top fixedly connected with of straight tube fore-set (4), and the top fixed mounting of fixed cover plate (5) down has the same lower fixed cardboard (6) of diameter, be provided with the mould section of thick bamboo subassembly (2) that rises that can deform down on fixed cardboard (6), the top that rises mould section of thick bamboo subassembly (2) is provided with last gland subassembly (3) of being connected with hydraulic power output end, the top and the bottom that rise mould section of thick bamboo subassembly (2) all are provided with reset assembly.

2. The stator shaping and press-fitting die as claimed in claim 1, wherein the die expansion cylinder assembly (2) comprises a conical expansion die (7) and a conical expansion die inner core (8), an inverted T-shaped cavity (9) with an open top end is formed in the lower fixing clamping plate (6), three sets of conical expansion dies (7) are clamped in the lower fixing clamping plate (6) through the inverted T-shaped cavity (9), the three sets of conical expansion dies (7) are combined into a cylindrical shape, an extension portion integrally used for clamping the interior of the lower fixing clamping plate (6) is arranged at the bottom end of the conical expansion die (7), a gap exists between the inner walls of the side surfaces of the inverted T-shaped cavity (9) at the lower end of the conical expansion die (7), and the conical expansion die inner core (8) is filled in a cylinder formed by the three sets of conical expansion dies (7) and is attached to the inner walls of the conical expansion dies (7).

3. The stator shaping press-fitting die according to claim 2, wherein the top end of the conical expansion die inner core (8) is higher than the top end of the conical expansion die (7), and the conical expansion die inner core (8) is in a conical shape with a large top and a small bottom.

4. The stator reshaping press-fitting mold according to claim 2, wherein the resetting component comprises an ejector pin (12) and a spring (13), the top center of the lower fixing plate (1) is fixedly connected with the vertical spring (13), the bottom center of the lower fixing cover plate (5) is provided with a notch and is clamped with the cross ejector pin (12), the top end of the ejector pin (12) penetrates through the lower fixing cover plate (5) and the lower fixing clamping plate (6) and is tightly attached to the lower end of the conical expansion mold inner core (8), the bottom of the horizontal part of the ejector pin (12) is fixedly connected with the top end of the spring (13), the lower end of the ejector pin (12) extends into the spring (13), and a piston sleeve sleeved on the periphery of the spring (13) and the ejector pin (12) is connected between the lower fixing plate (1) and the lower fixing cover plate (5); the center of the top end of the outer wall of the side face of the conical expansion die (7) is fixedly clamped with a limiting piece (14).

5. The stator shaping and press-fitting mold according to claim 3, wherein the upper gland assembly (3) comprises an upper fixing plate (10) and an upper fixing cover plate (11), the upper fixing plate (10) is connected to the upper hydraulic power end, the outer wall of the bottom of the upper fixing plate (10) is also connected with a plurality of groups of straight tube supporting pillars (4), the bottom ends of the plurality of groups of straight tube supporting pillars (4) are fixedly connected with the upper fixing cover plate (11) attached to the top end of the conical expansion mold inner core (8), and the resetting assemblies in the upper gland assembly (3) are symmetrically arranged with the resetting assemblies between the lower fixing plate (1) and the lower fixing cover plate (5).