CN215733925U

CN215733925U - Motor stator winding shaping die

Info

Publication number: CN215733925U
Application number: CN202122245652.XU
Authority: CN
Inventors: 杨源欣; 陈洪飞
Original assignee: Ningbo Hujiang Electric Motor Co ltd
Current assignee: Ningbo Hujiang Electric Motor Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-01
Anticipated expiration: 2031-09-16

Abstract

The utility model provides a motor stator winding shaping die, which belongs to the technical field of tool dies and comprises the following components: the lower die base is used for fixing the stator winding; the upper die base comprises a lifting plate, a driving column, an upper movable table and a pull block, the lifting plate corresponds to the lower die base up and down and can move towards the lower die base, the driving column is fixedly connected with the lifting plate, the upper movable table is arranged in a liftable sleeve mode and is provided with the driving column, the second inclined plane is connected with the first inclined plane, so that the pull block is connected with the driving column in a linkage mode, and the driving column pushes the pull block to move and open a coil during die assembly. The utility model has the beneficial effects that: the upper movable table is used for abutting against and being connected with an iron core of the stator winding, when the upper die holder moves towards the lower die holder, the stator winding pushes the upper movable table to move towards the lifting plate, and the driving column pushes the stretching block to move through the first inclined plane and stretch open a coil of the stator winding.

Description

Motor stator winding shaping die

Technical Field

The utility model belongs to the technical field of tooling dies and relates to a motor stator winding shaping die.

Background

The motor is an electromagnetic device which realizes the conversion or transmission of electric energy according to the electromagnetic induction law, and the motor converts the electric energy into mechanical energy and has the main function of generating driving torque to be used as a power source of electric appliances or various machines.

The motor mainly comprises a rotor, a stator winding and the like, the existing stator winding is usually formed by winding by manpower or a winding machine, the coil of the stator winding is quite fluffy and can be hooked by a shell or the rotor when the motor works, and the whole motor cannot work continuously due to damage.

In order to avoid this, a shaping mold is needed to shape the coils of the stator winding, so as to reduce the failure rate of the motor.

Disclosure of Invention

The utility model aims to provide a motor stator winding shaping die aiming at the problems in the prior art.

The purpose of the utility model can be realized by the following technical scheme:

a motor stator winding shaping die comprising:

the lower die base is used for fixing the stator winding; the upper die base comprises a lifting plate, a driving column, an upper movable table and a pull block, wherein the lifting plate corresponds to the lower die base up and down and can move towards the lower die base, the driving column is fixedly connected with the lifting plate, a sleeve capable of lifting the upper movable table is arranged on the driving column, the pull block is movable and connected with the upper movable table, the driving column is provided with a first inclined plane, the pull block is provided with a second inclined plane, the second inclined plane is connected with the first inclined plane, so that the pull block is connected with the driving column in a linkage mode, and the driving column pushes the pull block to move and open a coil during die assembly.

Preferably, the number of the pull blocks is set to be a plurality, the upper movable table is provided with guide grooves, the number of the guide grooves is the same as that of the pull blocks, the guide grooves are radially arranged, and the pull blocks are respectively movably connected with the guide grooves and are arranged in a one-to-one correspondence manner.

Preferably, the upper die base further comprises a spring ring, and the spring ring encircles each pull-type block.

Preferably, the upper movable table is provided with a fixed ring, and the pull block is positioned between the upper movable table and the fixed ring.

Preferably, the lower die holder comprises a fixed plate, a lower movable table and a pressing block, the lower movable table is connected with the fixed plate, the lower movable table is provided with a third inclined surface, the pressing block is provided with a fourth inclined surface, the fourth inclined surface is connected with the third inclined surface, so that the pressing block is in linkage connection with the lower movable table, and the pressing block moves and presses a coil during die assembly.

Preferably, the third inclined plane is provided with a sliding groove, the fourth inclined plane is provided with a sliding block, and the sliding block is connected with the sliding groove in a sliding manner.

Preferably, the lower movable table is provided with a return spring, and two ends of the return spring are respectively connected with the lower movable table and the pressing block in an abutting mode.

Preferably, the lower movable table can be lifted and connected with the fixed plate, and the fixed plate is provided with a butting ring which is used for butting and connecting with the coil.

Preferably, the pressing block is provided with a positioning clamp for fixing the stator winding.

Compared with the prior art, the utility model has the beneficial effects that:

1. the upper movable table is used for abutting against and being connected with an iron core of the stator winding, when the upper die holder moves towards the lower die holder, the stator winding pushes the upper movable table to move towards the lifting plate, and the driving column pushes the stretching block to move through the first inclined plane and stretch open a coil of the stator winding.

2. When the stator winding pushes the upper movable table to move towards the lifting plate, the driving column pushes the stretching blocks to separate from each other and prop open the spring ring; when the upper movable table is separated from the stator winding, the spring ring is folded by elasticity and drives the stretching blocks to approach each other.

3. Each pressure piece is along the even distribution of lower movable platform, and the top of pressure piece is used for contradicting with stator winding's iron core and is connected, and stator winding promotes each pressure piece and removes and compress tightly stator winding's coil when the upper die base moves towards the lower die base.

Drawings

Fig. 1 is a schematic structural view of a shaping mold according to the present invention.

Fig. 2 is a working state diagram of the shaping mold of the present invention.

Fig. 3 is a schematic structural view of the upper die holder of the present invention.

Fig. 4 is a schematic structural view of the lower die holder of the present invention.

Fig. 5 is a schematic structural view of the drag block and the guide groove of the present invention.

Fig. 6 is a view showing an operation state of the drag block and the guide groove of the present invention.

Fig. 7 is a schematic structural view of the press block and the lower movable table of the present invention.

Fig. 8 is a diagram illustrating the operation of the press-forming block and the lower movable table according to the present invention.

In the figure, 110, a fixing plate; 120. a lower movable table; 121. a third inclined plane; 122. a chute; 130. pressing blocks; 131. a fourth slope; 132. a slider; 140. a return spring; 150. a butting ring; 160. positioning a clamp; 210. a lifting plate; 220. a drive column; 221. a first inclined plane; 230. an upper movable table; 231. a guide groove; 240. a pulling block; 241. a second inclined plane; 250. a spring ring; 260. and a fixing ring.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 8, a motor stator winding shaping mold includes:

the lower die base is used for fixing the stator winding; the upper die holder comprises a lifting plate 210, a driving column 220, an upper movable table 230 and a pull block 240, the lifting plate 210 and the lower die holder are arranged in an up-down corresponding mode and can move towards the lower die holder, the driving column 220 is fixedly connected with the lifting plate 210, the upper movable table 230 is sleeved on the driving column 220 in a lifting mode, the pull block 240 is movably connected with the upper movable table 230, the pull block 240 can be connected with the upper movable table 230 through a guide rail, and the pull block 240 can also be arranged

The driving column 220 has a first inclined surface 221, the pull block 240 has a second inclined surface 241, and the second inclined surface 241 is connected with the first inclined surface 221 so that the pull block 240 is linked with the driving column 220, and the driving column 220 pushes the pull block 240 to move and open the coil when the mold is closed.

In a specific working process, the upper die base moves towards the lower die base and is abutted and connected with a stator winding fixed on the lower die base during die assembly, the lifting plate 210 drives the driving column 220 to continuously descend, so that the stator winding can push the upper movable table 230 to move towards the lifting plate 210, and the driving column 220 pushes the pulling block 240 with the second inclined surface 241 to move and prop open the coil through the first inclined surface 221.

Specifically, the number of the stretch-forming blocks 240 is twelve in practice, the stretch-forming blocks 240 are L-shaped, the longer side of the stretch-forming block 240 is slidably disposed between the fixed ring 250 and the upper movable table 230, the shorter side of the stretch-forming block is parallel to the fixed ring 250, and the long side of the stretch-forming block 240 can drive the short side to extrude the coil.

In this embodiment, the upper movable table 230 is configured to be in interference connection with the iron core of the stator winding, when the upper die holder moves towards the lower die holder, the stator winding pushes the upper movable table 230 to move towards the lifting plate 210, and the driving column 220 pushes the pull block 240 to move through the first inclined plane 221 and to open the coil of the stator winding.

As shown in fig. 5 and 6, on the basis of the above embodiment, the number of the pull blocks 240 is set to be plural, the upper movable table 230 is provided with the guide grooves 231, the number of the guide grooves 231 is the same as the number of the pull blocks 240, the guide grooves 231 are arranged in a radial shape, and the pull blocks 240 are movably connected with the guide grooves 231 and are arranged in a one-to-one correspondence manner.

In the present embodiment, the number of the guide grooves 231 and the pull blocks 240 is twelve, the guide grooves 231 are radially arranged, and the pull blocks 240 are movably connected to the guide grooves 231 and are disposed in one-to-one correspondence.

As shown in fig. 1, 2 and 3, on the basis of the above embodiment, the upper die holder further includes a spring ring 232, and the spring ring 232 surrounds each of the pull blocks 240.

In this embodiment, the stretching blocks 240 and the upper movable table 230 are actually provided with grooves, the stretching blocks 240 and the upper movable table 230 are connected with the spring ring 232 through the grooves, and when the stator winding pushes the upper movable table 230 to move towards the lifting plate 210, the driving column 220 pushes the stretching blocks 240 to separate from each other and prop up the spring ring 232; when the upper movable table 230 is separated from the stator winding, the coil 232 is folded by the elastic force and drives the respective tension blocks 240 to approach each other.

As shown in fig. 1, 2 and 3, on the basis of the above embodiment, the upper movable table 230 is provided with a fixed ring 250, and the pull block 240 is located between the upper movable table 230 and the fixed ring 250.

In the present embodiment, the fixing ring 250 is coupled to the upper movable stage 230 by a screw, and the tie block 240 is confined between the upper movable stage 230 and the fixing ring 250.

As shown in fig. 1, 2 and 4, based on the above embodiment, the lower die holder includes a fixing plate 110, a lower movable table 120 and a pressing block 130, the lower movable table 120 is connected to the fixing plate 110, the lower movable table 120 has a third inclined surface 121, the pressing block 130 has a fourth inclined surface 131, the fourth inclined surface 131 is connected to the third inclined surface 121, and the stator winding can push the pressing block 130 to move and press the coil.

From the specific working process, the upper die base moves towards the lower die base during die assembly and is in abutting connection with the stator winding fixed on the lower die base, and the stator winding is placed on the pressing block 130, so the stator winding can push the pressing block 130 with the fourth inclined surface 131 to move along the third inclined surface 121 and prop open the coil.

In this embodiment, the number of the press blocks 130 is actually four, each press block 130 is uniformly distributed along the lower movable platen 120, the top of each press block 130 is used for abutting against the iron core of the stator winding, and the stator winding pushes each press block 130 to move and press the coil of the stator winding when the upper die holder moves towards the lower die holder.

As shown in fig. 1, 2 and 4, in the above embodiment, the third inclined surface 121 is provided with a sliding groove 122, the fourth inclined surface 131 is provided with a slider 132, and the slider 132 is slidably connected to the sliding groove 122.

In this embodiment, the sliding groove 122 can guide the sliding block 132 to slide, the sliding groove 122 is a through hole, the sliding block 132 is further provided with a limiting plate, and the sliding block 132 is located between the limiting plate and the pressing block 130 so as to limit the sliding block 132 in the sliding groove 122, so that the pressing block 130 can well cling to the third inclined surface 121 to slide.

As shown in fig. 1, 2 and 4, in addition to the above embodiment, the lower movable stage 120 is provided with a return spring 140, and both ends of the return spring 140 are respectively connected to the lower movable stage 120 and the press-type block 130 in an abutting manner.

In the present embodiment, the return spring 140 is capable of returning the pressing blocks 130, and the return spring 140 is compressed when the upper movable stage 230 pushes the stator winding to push the respective pressing blocks 130 to move along the third inclined surface 121 to approach each other.

When the stator winding is separated from the upper movable stage 230, the return spring 140 is extended by its own elastic force to drive the respective press blocks 130 to move along the third inclined surface 121 and move away from each other.

As shown in fig. 1, 2 and 4, in the above embodiment, the lower movable stage 120 is connected to the fixed plate 110 in a movable manner, and the fixed plate 110 is provided with an abutting ring 150 for abutting against a coil of a stator winding.

In the present embodiment, the abutment ring 150 is actually disposed between the pressing block 130 and the fixed core, and the abutment ring 150 abuts against and presses up the coil of the stator winding when the lower movable stage 120 vertically moves downward.

Preferably, the fixed plate 110 is further provided with a guide ring, the guide ring is sleeved on the lower movable stage 120 and guides the lower movable stage 120 to ascend and descend, the lower movable stage 120 is further provided with a spring, and two ends of the spring are respectively connected with the fixed plate 110 and the lower movable stage 120 in an abutting manner.

As shown in fig. 1, 2, 7 and 8, in addition to the above embodiments, the press block 130 is provided with a positioning jig 160 for fixing the stator winding.

In this embodiment, the positioning fixture 160 includes a fixing base, a connecting shaft and a movable block, the fixing base is fixedly connected with the pressing block 130, one end of the connecting shaft is movably arranged on the fixing base in a penetrating manner, the other end of the connecting shaft is fixedly connected with the movable block, the connecting shaft is further sleeved with a positioning spring, two ends of the positioning spring are respectively abutted against the fixing base and the movable block and connected with the iron core of the stator winding in a pushing manner.

As shown in fig. 1 to 8, in general operation principle, a stator winding is placed on the pressing block 130 and fixed by the positioning fixture 160, the lifting plate 210 is driven to press downward by using a hydraulic cylinder or an air cylinder, when the upper die holder moves toward the lower die holder, the stator winding pushes the upper movable table 230 to move toward the lifting plate 210, the driving column 220 pushes the pulling block 240 to move toward the fixed ring 250 through the first inclined surface 221, the coil of the stator winding is extruded from inside to outside, meanwhile, the stator winding pushes each pressing block 130 to move toward the fixed core along the third inclined surface 121, so as to press the coil of the stator winding, the upper die holder continues to press downward and drives the lower movable table 120 to move vertically downward, so that the abutting ring 150 abuts against and presses the coil of the stator winding upward, the shaping mold automatically resets after the lifting plate 210 is lifted, and then the stator winding can be turned over by 180 ° and then shaped again.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A motor stator winding shaping die, comprising:

the lower die base is used for fixing the stator winding;

the upper die base comprises a lifting plate, a driving column, an upper movable table and a pull block, wherein the lifting plate corresponds to the lower die base up and down and can move towards the lower die base, the driving column is fixedly connected with the lifting plate, a sleeve capable of lifting the upper movable table is arranged on the driving column, the pull block is movable and connected with the upper movable table, the driving column is provided with a first inclined plane, the pull block is provided with a second inclined plane, the second inclined plane is connected with the first inclined plane, so that the pull block is connected with the driving column in a linkage mode, and the driving column pushes the pull block to move and open a coil during die assembly.

2. The motor stator winding shaping mold of claim 1, wherein: the number of the pull blocks is set to be a plurality, the upper movable table is provided with guide grooves, the number of the guide grooves is the same as that of the pull blocks, the guide grooves are radially arranged, and the pull blocks are respectively movably connected with the guide grooves and are arranged in a one-to-one correspondence mode.

3. The motor stator winding shaping mold of claim 2, wherein: the upper die base further comprises a spring ring, and each pull-shaped block is encircled by the spring ring.

4. The motor stator winding shaping mold of claim 1, wherein: the upper movable table is provided with a fixed ring, and the pull block is positioned between the upper movable table and the fixed ring.

5. The motor stator winding shaping mold of claim 1, wherein: the lower die holder comprises a fixing plate, a lower movable table and a pressing block, the lower movable table is connected with the fixing plate, the lower movable table is provided with a third inclined surface, the pressing block is provided with a fourth inclined surface, the fourth inclined surface is connected with the third inclined surface, so that the pressing block is connected with the lower movable table in a linkage mode, and the pressing block moves and compresses a coil during die assembly.

6. The motor stator winding shaping mold of claim 5, wherein: the third inclined plane is provided with the spout, the fourth inclined plane is provided with the slider, the slider slidable with the spout is connected.

7. The motor stator winding shaping mold of claim 6, wherein: the lower movable table is provided with a return spring, and two ends of the return spring are respectively connected with the lower movable table and the pressing block in an abutting mode.

8. The motor stator winding shaping mold of claim 5, wherein: the lower movable table can be lifted and connected with the fixed plate, and the fixed plate is provided with a butting ring which is used for butting and connecting with the coil.

9. The motor stator winding shaping mold of claim 5, wherein: the pressing block is provided with a positioning clamp for fixing the stator winding.