WO2020147225A1

WO2020147225A1 - Iron core circle-splicing component used in stator circle-splicing apparatus

Info

Publication number: WO2020147225A1
Application number: PCT/CN2019/087248
Authority: WO
Inventors: 刘冬; 钱巍
Original assignee: 南京埃斯顿自动化股份有限公司
Priority date: 2019-01-16
Filing date: 2019-05-16
Publication date: 2020-07-23
Also published as: CN109888988A; CN109888988B

Abstract

Disclosed is an iron core circle-splicing component used in a stator circle-splicing apparatus, being the solved technical problem. The technical solution is an iron core circle-splicing component used in a stator circle-splicing apparatus, the stator circle-splicing apparatus comprising a base, a valve core rod, a core rod pressure cover, and a plurality of iron core circle-splicing components, wherein the iron core circle-splicing component comprises an inner-diameter control feedback pressure head, an outer-diameter control pressure cylinder, an outer-diameter dimension feedback pressure piston rod, an outer-diameter control feedback pressure head, a piston pressure cover plate, an iron core axial pressing piston, and two length sensors. The present apparatus has the advantages of enabling convenient and simple operation throughout the process, improving the yield and consistency of iron core circle splicing, and ensuring stable motor performance and an improved production efficiency; in addition, the apparatus can be flexibly and quickly replaced according to the number and dimension change requirements of motor iron cores, so that the yield and the production efficiency are greatly improved.

Description

Iron core rounding component used in stator rounding equipment

Technical field

The invention relates to an iron core rounding component used in a stator rounding equipment.

Background technique

In the existing servo motor industry, there are a large number of concentrated winding stator applications; in order to more conveniently realize the concentrated winding stator solution, most of the concentrated winding stators use the whole stator core evenly divided into N single group windings The scheme of assembling the coil core. This solution greatly improves the efficiency of stator winding and the degree of difficulty to control.

Due to the introduction of the above solutions in the motor manufacturing process, the primary problem that comes with it is how to combine the single set of winding coil cores into an integral stator core to ensure that the overall key control dimensions such as the inner and outer diameters and cylindricity reach the stator The requirements of iron core; various manufacturers have also produced many assembly tools and equipment for this purpose. After long-term use and verification of tooling and equipment in the industry, it has been found that there are still many uncontrollable factors and restrictions. For example, when the HALF structure is combined with the core rod, the structure size of the core rod and the HALF often appears The iron core is over-constrained, and the iron core rounding bonding force cannot be well controlled, resulting in poor cylindricity of the iron core or iron core explosion after welding. There is also a circular tooling that only controls the outer diameter of the iron core. Because only the outer diameter is controlled, the final effect of the iron core assembly requires better quality assurance of iron core die stamping. Once the iron core consistency changes in a large range, it will be The final result of the rounding has a greater impact. Moreover, the above-mentioned tooling has problems such as poor interchangeability and non-universal use.

In response to the above phenomenon, a centralized winding servo motor stator rounding equipment that can be flexibly and quickly replaced according to the number and size of the motor core changes, greatly improving the yield and production efficiency. The equipment mainly includes a base and a valve. Body core rod, core rod pressure cover and multiple iron core round parts. One end of the valve body core rod is vertically inserted into the base and fixed, the core rod pressure cover is set on the other end of the valve body core rod, and multiple iron core round parts are arranged along the circumference of the valve body core rod and partially inserted into the valve body. Inside the core rod.

In order to achieve flexible and rapid replacement according to the number and size of the motor cores, which greatly improves the yield and production efficiency, it is urgent to design an iron core rounding component that meets the requirements of the stator rounding equipment of the centralized winding servo motor. Technical problems solved.

Summary of the invention

The object of the present invention is to provide an iron core rounding component that meets the requirements of the stator rounding equipment of a centralized winding servo motor.

To solve the above technical problems, the technical solutions adopted by the present invention are:

An iron core rounding component used in stator rounding equipment, including inner diameter control feedback pressure head (5), outer diameter control pressure cylinder (8), outer diameter size feedback pressure piston rod (10), outer diameter control feedback The pressure head (12), the piston pressure cover (15) and the iron core axially compress the piston (18),

The outer diameter feedback pressure piston rod (10) is inserted into the outer diameter control pressure cylinder (8) and both ends of the outer diameter feedback pressure piston rod (10) extend out of the outer diameter control pressure cylinder (8), and the outer diameter feedback pressure The piston rod (10) and the outer diameter control pressure cylinder (8) constitute a linkage pressure piston mechanism; the cylinder body of the outer diameter control pressure cylinder (8) is provided with first outer diameter control pressure cylinders (8) communicating with the inner pressure chambers. Outer diameter control pressure cylinder pressure medium inlet and outlet (7) and second outer diameter control pressure cylinder pressure medium inlet and outlet (9), first outer diameter control pressure cylinder pressure medium inlet and outlet (7) and second outer diameter control pressure cylinder The pressure medium inlet and outlet (9) are all connected with external pressure equipment to control the pressure medium in and out to realize the outer diameter of the iron core; one end of the outer diameter feedback pressure piston rod (10) is connected to the inner diameter control feedback pressure head (5), and the pressure is controlled at the outer diameter The top of the cylinder (8) is connected to the outer diameter control feedback pressure head (12);

The bottom end of the outer diameter control feedback indenter (12) is slidably connected to the top end of the inner diameter control feedback indenter (5), and the top end surface of the outer diameter control feedback indenter (12) is concavely provided with a piston ( 18) Insert and form the pressure hole (12-3) of the pressure seal cavity, the outer diameter control feedback pressure head (12) is respectively provided with the first outer diameter control feedback pressure medium inlet and outlet (14) and the second outer diameter Control feedback head pressure medium inlet and outlet (13), first outer diameter control feedback head pressure medium inlet and outlet (14) communicate with the pressure hole (12-3) at the orifice, second outer diameter control feedback pressure head pressure The medium inlet and outlet (13) communicate with the pressure hole (12-3) at the bottom of the hole;

The core axial compression piston (18) is composed of a piston rod (18-1) and a compression head (18-2). The bottom end of the piston rod (18-1) is provided with a pressure hole (12-3). ) Cooperate to form the piston head (18-3) of the piston movement, the piston pressure cover plate (15) is sleeved on the piston rod (18-1) and the compression head (18-2) is set on the piston rod (18- 1) The top end; the iron core axially presses the piston rod (18-1) of the piston (18) into the pressure hole (12-3) and the piston head (18-3) forms pressure in the pressure hole (12-3) In the sealed chamber, the piston pressure cover plate (15) is fixed on the top end surface of the outer diameter control feedback pressure head (12); the first outer diameter control feedback pressure head pressure medium inlet and outlet (14) on the outer diameter control feedback pressure head (12) ) And the second outer diameter control feedback pressure medium inlet and outlet (13) are connected to an external pressure device for pressure control, so that the iron core axially compresses the piston (18) to move up and down within the required range;

The inner diameter control feedback indenter (5) includes the indenter body (5-1) and the slotted piston rod (5-2). The slotted piston rod (5-2) is vertically arranged in the indenter through the vertical rod (5-3). At one end of the head body (5-1), a slotted piston rod (5-2) is inserted into the stator rounding equipment.

As an improvement to the technical solution of the present invention, the iron core rounding component also includes a distance size sensor (11), an inner diameter radial size sensor (20) and two length sensors (17). The transmitting end of the distance size sensor (11) is arranged outside The other end of the diameter feedback pressure piston rod (10) or the cylinder body of the outer diameter control pressure cylinder (8), and the receiving end of the distance size sensor (11) is arranged on the cylinder body of the outer diameter control pressure cylinder (8) Or set on the other end of the outer diameter size feedback pressure piston rod (10); the transmitting end in the distance size sensor (11) and the receiving end in the distance size sensor (11) constitute a feedback pair;

The transmitting end of the inner diameter radial size sensor (20) is installed on the top of the slotted piston rod (5-2) of the inner diameter control feedback indenter (5), and the receiving end of the inner diameter radial size sensor (20) is installed on the stator joint circle On the device, the transmitting end of the inner diameter radial size sensor (20) and the receiving end of the inner diameter radial size sensor (20) constitute a feedback pair;

Both ends of the two length sensors (17) are provided with connecting holes (17-1) for inserting the coaxial pins (16), and the connecting holes (17-1) at one end of the two length sensors (17) pass through the coaxial The pin (16) is set on the top end surface of the outer diameter control feedback indenter (12), and the connecting holes (17-1) at the other end of the two length sensors (17) are respectively connected with the length sensors ( 17) A connecting hole (17-1) at one end is arranged on the top end surface of the outer diameter control feedback indenter (12) through a coaxial pin (16).

As an improvement to the technical solution of the present invention, a base (12-4) for inserting a coaxial pin (16) is convexly provided on the top end surface of the outer diameter control feedback indenter (12).

As an improvement to the technical solution of the present invention, a coupling protrusion (8-1) connected to the outer diameter control feedback pressure head (12) is provided on the top of the outer diameter control pressure cylinder (8), and the bottom of the outer diameter control feedback pressure head (12) is opened There is a notch (12-1) matched and installed with the coupling protrusion (8-1), and the coupling protrusion (8) is inserted into the notch (12-1) and fixed.

As an improvement to the technical scheme of the present invention, a slide groove (12-2) sliding in cooperation with the inner diameter control feedback indenter (5) is provided on the bottom end surface of the outer diameter control feedback indenter (12), and the inner diameter control feedback indenter (5) The upper end surface of the other end of the inner indenter body (5-1) is convexly provided with a sliding groove (12-2) on the bottom end surface of the outer diameter control feedback indenter (12) Slide the protrusions (5-5).

As an improvement to the technical solution of the present invention, one end of the outer diameter dimension feedback pressure piston rod (10) is provided with a through "T" groove (10-1) for engaging the inner diameter control feedback pressure head (5), and the inner diameter control feedback The other end of the indenter body (5-1) in the indenter (5) is vertically provided with a "T" groove (10-1) on the outer diameter dimension feedback pressure piston rod (10) in sliding fit The installed "T" block (5-4), the "T" block (5-4) are inserted into the "T" slot (10-1) and connected by the elastic pin (6).

The advantages of the present invention compared with the prior art:

The iron core round parts are convenient and simple to operate in the whole process, improve the yield and consistency of iron core round parts, and ensure stable motor performance and improved production efficiency.

BRIEF DESCRIPTION

Figure 1 is a schematic diagram of a motor stator core.

Figure 2 is a schematic diagram of a single set of cores.

Figure 3 is a schematic diagram of the overall installation of the iron core rounding parts used in the stator rounding equipment.

Figure 4 is an assembly diagram of a single iron core rounding component, a base, a valve body core rod and a core rod pressure cover.

Fig. 5 is a cross-sectional view of Fig. 4.

Fig. 6 is an enlarged view of A in Fig. 5.

Figure 7 is a schematic view of the base.

Figure 8 is a schematic diagram of the valve core rod.

Figure 9 is a schematic diagram of the mandrel pressure cover.

Figure 10 is a schematic diagram of an outer diameter control pressure cylinder.

Figure 11 is a schematic diagram of the outer diameter dimension feedback pressure piston rod.

Figure 12 is a schematic diagram of an outer diameter control feedback indenter.

Figure 13 is a schematic diagram of the iron core compressing the piston axially.

Figure 14 is a schematic diagram of the piston pressure cover.

Figure 15 is a schematic diagram of the inner diameter control feedback pressure head.

Figure 16 is a schematic diagram of a length sensor.

detailed description

In order to make the content of the present invention more obvious and easy to understand, further description will be made below in conjunction with FIGS. 1 to 16 and specific implementations.

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

Examples

As shown in Figure 1, the stator rounding equipment of a centralized winding servo motor mentioned in the background art includes a base 4, a valve body core rod 2, a core rod pressure cover 1, and a plurality of iron core rounding parts. One end of the body core rod 2 is vertically inserted into the base 4 and fixed, the core rod pressure cover 1 is set on the other end of the valve body core rod 2, and multiple iron core round parts are arranged along the circumference of the valve body core rod 2. Partially inserted into the core rod 2 of the valve body.

In this embodiment, the stator iron core of the motor is split into twelve single-group iron cores 19, so in this embodiment, twelve iron core round parts are used.

As shown in Figures 4, 5 and 7, the upper center axis of the base 4 is provided with a first slot 4-1 for inserting the valve core rod 2, and the bottom of the first slot is provided with a through air cavity 4-2 . In this embodiment, the lower part of the base 4 is arranged on an external pressure device, and the air cavity is sucked in and out of the air cavity through the external pressure device, so that the air cavity forms a negative pressure cavity, and the valve core rod 2 is fixed on the base 4.

As shown in Figures 6 and 8, the valve core rod 2 includes a mounting shaft inserted into the base 4 and a connecting shaft integrally formed with the mounting shaft. The upper part of the connecting shaft is provided with a plurality of iron cores inserted in the axial direction from the upper end surface. The positioning slots 2-1 of the round-joining component, multiple positioning slots 2-1 are uniformly arranged along the outer circumference of the connecting shaft; the iron-core round-joining component is inserted into the positioning slot 2-1 and sealed to form an independent valve core The rod first pressure chamber 2-3 and the valve body core rod second pressure chamber 2-4; the upper end surface of the connecting shaft is provided with the first valve body core rod pressure corresponding to the positioning slots 2-1 along the axial direction The medium inlet and outlet channels 2-2, the first valve body core rod pressure medium inlet and outlet channels 2-2 communicate with the valve body core rod first pressure chamber 2-3 at the bottom of the positioning slot 2-1; on the lower end surface of the connecting shaft The upper part is provided with the second valve body core rod pressure medium inlet and outlet channels 2-5 corresponding to the positioning slots 2-1 in the axial direction, the second valve body core rod pressure medium inlet and outlet channels 2-5 and the second valve body core rod second The pressure chamber 2-4 communicates with the bottom of the positioning slot 2-1.

As shown in FIG. 8, twelve positioning slots 2-1 are provided on the valve core rod 2 in this embodiment corresponding to twelve single-group iron cores 19. At the same time, the valve body core rod 2 in this embodiment adopts the casting process in the prior art to form the positioning slot 2-1 at one time, the first valve body core rod pressure medium inlet and outlet channels 2-2, and the second valve body core rod pressure medium. Access channels 2-5.

As shown in Figure 9, the mandrel pressure cover 1 is sealed on the upper end surface of the connecting shaft. The mandrel pressure cover 1 is provided with a mandrel pressure cover medium inlet 1- corresponding to the first valve body mandrel pressure medium inlet and outlet channels 2-2. 1. The mandrel pressure cover medium inlet 1-1 is respectively communicated with the first valve body mandrel pressure medium inlet and outlet channels 2-2; the edge of the back of the mandrel pressure cover 1 is convexly provided with a protrusion 1- which engages the connecting shaft. 2. The edge of the upper end of the connecting shaft is concavely provided with an embedding groove 2-6 engaged with the convex block 1-2.

The mandrel pressure cover 1 in this embodiment adopts the casting process in the prior art to form the mandrel pressure cover medium inlet 1-1 and the bumps 1-2 at one time.

As shown in Figures 4 and 5, the iron core rounding components include inner diameter control feedback pressure head 5, outer diameter control pressure cylinder 8, outer diameter size feedback pressure piston rod 10, outer diameter control feedback pressure head 12, and piston pressure cover plate 15. And the iron core compresses the piston 18 axially.

As shown in Figures 4, 5, 10 and 11, the outer diameter feedback pressure piston rod 10 is inserted into the outer diameter control pressure cylinder 8, and both ends of the outer diameter feedback pressure piston rod 10 extend out of the outer diameter control pressure cylinder 8. The diameter size feedback pressure piston rod 10 and the outer diameter control pressure cylinder 8 constitute a linkage pressure piston mechanism; the cylinder body of the outer diameter control pressure cylinder 8 is provided with a first outer diameter control pressure in which the inner pressure chambers of the outer diameter control pressure cylinder 8 respectively communicate Cylinder pressure medium inlet and outlet 7 and second outer diameter control pressure cylinder pressure medium inlet and outlet 9, first outer diameter control pressure cylinder pressure medium inlet and outlet 7 and second outer diameter control cylinder pressure medium inlet and outlet 9 are connected to external pressure equipment Perform pressure medium entry and exit control to achieve the outer diameter of the iron core; the other end of the outer diameter feedback pressure piston rod 10 is provided with a through "T" groove 10-1 for engaging the inner diameter control feedback pressure head 5, and the pressure is controlled at the outer diameter The top of the cylinder 8 is provided with a coupling protrusion 8-1 connected to the outer diameter control feedback pressure head 12.

As shown in Fig. 12, the bottom of the outer diameter control feedback indenter 12 is provided with a notch 12-1 that fits with the coupling protrusion 8-1, and the coupling protrusion 8 is inserted into the notch 12-1 and fixed. The bottom end surface of the indenter 12 is provided with a sliding groove 12-2 that cooperates with the inner diameter control feedback indenter 5, and the top end surface of the outer diameter control feedback indenter 12 is concavely provided with a piston 18 for the iron core to axially compress the piston 18 Insert and form the pressure hole 12-3 of the pressure seal cavity, the outer diameter control feedback pressure head 12 is respectively provided with a first outer diameter control feedback pressure head pressure medium inlet and outlet 14 and a second outer diameter control feedback pressure head pressure medium inlet and outlet 13. The pressure medium inlet and outlet 14 of the first outer diameter control feedback pressure head communicate with the pressure hole 12-3 at the orifice, and the pressure medium inlet and outlet 13 of the second outer diameter control feedback pressure head and the pressure hole 12-3 are at the bottom of the hole. Communicate.

As shown in Figures 13 and 14, the core axial compression piston 18 is composed of a piston rod 18-1 and a compression head 18-2. The bottom end of the piston rod 18-1 is provided with a pressure hole 12-3. Cooperate with the piston head 18-3 that forms the movement of the piston, fit the piston pressure cover 15 into the piston rod 18-1, and weld the compression head 18-2 to the top of the piston rod 18-1; the iron core axially compresses the piston The piston rod 18-1 of 18 is inserted into the pressure hole 12-3. The piston head 18-3 forms a pressure seal cavity in the pressure hole 12-3. The piston pressure cover 15 is fixed on the top end surface of the outer diameter control feedback pressure head 12; The first outer diameter control feedback indenter pressure medium inlet and outlet 14 and the second outer diameter control feedback indenter pressure medium inlet and outlet 13 on the diameter control feedback indenter 12 are both connected to an external pressure device for pressure control, so that the core is axially compressed The tight piston 18 can perform up and down piston movement within a required range.

As shown in Figure 15, the inner diameter control feedback pressure head 5 consists of the pressure head body 5-1 and the positioning slot 2-1 inserted into the valve core rod 2 and sealed to form an independent valve core rod first pressure chamber 2-3 and The second pressure chamber 2-4 of the valve body core rod is formed by a slotted piston rod 5-2, and the slotted piston rod 5-2 is vertically arranged at one end of the indenter body 5-1 through a vertical rod 5-3, At the other end of the indenter body 5-1, a "T" block 5-4 which is installed in sliding fit with the "T" groove 10-1 on the outer diameter dimension feedback pressure piston rod 10 is vertically arranged. The T" block 5-4 is inserted into the "T" groove 10-1 and connected by the elastic pin 6; the upper end surface of the other end of the indenter body 5-1 is convexly provided with the outer diameter control feedback indenter 12 The sliding groove 12-2 on the bottom end face is a sliding protrusion 5-5 that is slidingly matched with; the slot piston rod 5-2 is inserted into the positioning slot 2-1, and one side of the slot piston rod 5-2 is connected to the positioning slot The first pressure chamber 2-3 of the valve body core rod is formed by sealing between the groove walls of 2-1, and the valve body core is formed by sealing between the other side surface of the slot piston rod 5-2 and the groove wall of the positioning slot 2-1 Rod second pressure chamber 2-4.

As shown in Figures 4 and 5, the inner diameter control feedback indenter 5 of this embodiment, when the outer diameter dimension feedback pressure piston rod 10 drives the inner diameter control feedback indenter 5 to move, the inner diameter control feedback indenter 5 slides on the protrusion 5 -5 The sliding groove 12-2 on the bottom end of the outer diameter control feedback indenter 12 can slide radially.

As shown in Figures 4 and 5, after the inner diameter control feedback indenter 5 and outer diameter control feedback indenter 12 of this embodiment are assembled, the vertical position on one side of the outer diameter control feedback indenter 12 and the inner diameter control feedback indenter 5 The distance between the rods 5-3 is used to install a single group of iron core pieces 19, and one side of the outer diameter control feedback indenter 12 is set as an iron core outer diameter profiling surface that matches the outer diameter of the single group of iron core 19 , The side surface of the vertical rod 5-3 is set as an iron core inner diameter profile surface matching the inner diameter surface of the single set of iron core 19. After the single set of iron core 19 is installed, the outer diameter surface of the single set of iron core 19 is in close contact with the core outer diameter profiling surface of the outer diameter control feedback indenter 12, and it is installed in the axial direction of the iron core in the outer diameter control feedback indenter 12. The pressing head 18-2 on the pressing piston 18 is attached to the single set of iron core 19.

This embodiment is used in the iron core rounding parts in the stator rounding equipment, and the length sensor 17 in each iron core rounding part is installed end to end on the two ends of the coaxial pin 16 to form freely movable high precision At the same time, a base 12-4 for inserting the coaxial pin 16 is protrudingly provided on the top end surface of the outer diameter control feedback indenter 12, and each coaxial pin 16 forming the hinge mechanism is inserted into the outer diameter control feedback indenter 12 is fixed in the base 12-4 on the top end surface.

As shown in Figure 4, the iron core rounding component also includes a distance size sensor 11, an inner diameter radial size sensor 20 and two lengths 17. The transmitting end of the distance size sensor 11 is set on one end of the outer diameter size feedback pressure piston rod 10. , The receiving end in the distance size sensor 11 is arranged on the cylinder body of the outer diameter control pressure cylinder 8; the transmitting end and the receiving end in the distance size sensor 11 can be installed in reverse. The transmitting end in the distance size sensor 11 and the receiving end in the distance size sensor 11 constitute a feedback pair. The distance size sensor 11 can feed back the precise distance of the outer diameter size feedback pressure piston rod 10 relative to the outer diameter control pressure cylinder 8 in real time. The distance size sensor 11 in this embodiment is a purchased part. The distance size sensor 11 is a conventional application in the prior art and the controller involved in the process is the prior art. Therefore, the control process in this embodiment Do not elaborate.

The transmitting end of the inner diameter radial size sensor 20 is installed on the top of the slotted piston rod 5-2 of the inner diameter control feedback indenter 5, and the receiving end of the inner diameter radial size sensor 20 is installed on the outer peripheral surface of the mandrel pressure cover 1. In the installation slot 1-3, the transmitting end of the inner diameter radial size sensor 20 and the receiving end of the inner diameter radial size sensor 20 constitute a feedback pair. The inner diameter radial dimension sensor 20 can feed back the change of the size position of the inner diameter feedback indenter 5 in the inner diameter direction in real time. The inner diameter and radial size sensor 20 in this embodiment is a purchased part, the application of the inner diameter and radial size sensor 20 is a conventional application in the prior art, and the controller involved in the process is the prior art. Therefore, this embodiment The control process is not described in detail.

As shown in Figures 4 and 16, both ends of the two length sensors 17 are provided with connecting holes 17-1 for inserting the coaxial pins 16, and the connecting holes 17-1 at one end of the two length sensors 17 pass through the coaxial pins 16. Set on the top end surface of the outer diameter control feedback indenter 12, the connecting hole 17-1 at the other end of the two length sensors 17 respectively passes through the connecting hole 17-1 at one end of the length sensor 17 in the adjacent iron core round parts. The pin 16 is arranged on the top end surface of the outer diameter control feedback indenter 12. The length sensor in this embodiment is 17 purchased parts. The application of the two length sensors 17 is a conventional application in the prior art and the controller involved in the process is the prior art. Therefore, the control process in this embodiment Do not elaborate.

The working process of applying the stator circle rounding device of the concentrated winding servo motor of this embodiment to the stator round rounding of the motor is as follows:

The stator rounding equipment of the centralized winding servo motor of this embodiment can be matched with an upper computer and a pressure equipment in specific operations. The operation process of this embodiment: insert the installation shaft of the valve core rod 2 into the first slot 4-1 of the base 4, and connect the external pressure equipment through the air cavity 4-2 at the lower part of the base 4 to perform the vacuum operation , Suck the valve core rod 2 firmly in the first slot 4-1 of the base 4. Connect the corresponding position and size sensors to the upper computer, and connect the inlet and outlet of the pressure medium to the pressure equipment.

As shown in Figure 3-5, the medium inlet 1-1 of the upper mandrel pressure cover of the control mandrel pressure cover 1 enters the pressure medium, and at the same time the pressure medium inlet and outlet channels of the second valve body mandrel 2 below the valve body mandrel 2 The pressure medium is extruded to make the inner diameter control feedback indenter 5 move to the limit dead point in the outer diameter direction as a whole. Put the prepared single-group iron cores 19 into the outer diameter control feedback indenter 12 with iron core outer diameter profiling structure one by one through automatic feeding equipment or manually, so that the single-group iron core 19 has an outer diameter surface It is in close contact with the core outer diameter profiling surface of the outer diameter control feedback indenter 12.

The first outer diameter control feedback head pressure medium inlet and outlet 14 enter the pressure medium and the second outer diameter control feedback head pressure medium inlet and outlet 13 extrude the pressure medium so that the outer diameter control feedback head 12 axially compresses the iron core The tightening piston 18 moves downward to compress the iron core end face of the single set of iron core 19, and the pressing force is controlled by pressure feedback.

The pressure medium inlet and outlet 7 of the first outer diameter control pressure cylinder on the control outer diameter control pressure cylinder 8 enter the pressure medium, and the pressure medium inlet and outlet 9 of the second outer diameter control pressure cylinder extrude the pressure medium, so that the outer diameter control feedback pressure head 12 drives The single set of iron core 19 moves radially to the inner diameter control feedback indenter 5 until the inner diameter profile surface of the inner diameter control feedback indenter 5 abuts against the inner diameter surface of the single set of iron core 19, and the sensing pressure of the host computer is monitored at this time And the size of each position.

The second valve body core rod pressure medium inlet and outlet channels 2-5 below the control valve body core rod 2 enter the pressure medium, and the core rod pressure cover medium inlet 1-1 on the upper part of the core rod pressure cover 1 extrudes the pressure medium, and the inner diameter is fine-tuned The radial position size fed back by the radial size sensor 20 makes the feedback sizes of the 12 groups of length sensors 17 tend to be consistent, and at the same time the outer diameter size of the distance size sensor 11 tends to be consistent.

Make the outer diameter control pressure cylinder 8 hold the pressure, and extrude the pressure medium through the mandrel pressure cover medium inlet 1-1 at the upper part of the control mandrel pressure cover 1, and at the same time the second valve body core rod pressure medium under the valve body core rod 2 The inlet and outlet channels 2-5 enter the pressure medium, so that the 12 groups of inner diameter control feedback indenters 5 move uniformly in the direction of inner diameter reduction, and synchronously maintain the same feedback data of the inner diameter control feedback indenters 5 until the 12 groups of iron cores contact each other. , The outer diameter control pressure cylinder 8 and the valve core rod 2 will both significantly change the feedback pressure value. By continuing to retract the inner diameter control feedback head 5, and at the same time fine-tune the radial position and pressure of the outer diameter control feedback head 12, so that The real-time results of the iron core rounding are constantly approaching the demand state until it meets the requirements, and the valve core rod 2 and the outer diameter control pressure cylinder 8 are maintained at the same time, and the upper computer records the chord length, radial size, and the same Axial degree and splicing pressure value.

The welding laser performs the welding between the cores from top to bottom around the circumferential direction. After the welding is completed, the pressure medium inlet 1-1 of the mandrel pressure cover 1 on the upper part of the mandrel pressure cover 1 extrudes the pressure medium, and the first part below the valve body core rod 2 The pressure medium of the second valve body core rod enters the pressure medium in the passage 2-5, so that the inner diameter control feedback head 5 continues to move in the direction of inner diameter reduction, and in synchronization with this, the second outer diameter control pressure cylinder on the outer diameter control pressure cylinder 8 pressure medium The inlet and outlet 9 enter the pressure medium, and the pressure medium inlet and outlet 7 of the first outer diameter control pressure cylinder extrude the pressure medium, so that the outer diameter size feedback pressure piston rod 10 and the inner diameter control feedback pressure head 5 move in the direction of inner diameter reduction simultaneously until the inner diameter is controlled The feedback pressure head 5 moves to the inner diameter limit.

The first outer diameter control feedback pressure head pressure medium inlet and outlet 14 on the outer diameter control feedback pressure head 12 extrude the pressure medium, and the second outer diameter control feedback pressure head pressure medium inlet and outlet 13 enter the pressure medium to control the axial compression of the iron core The piston 18 moves upwards, axially loosens the single set of iron cores 19, and operates the second outer diameter control pressure cylinder pressure medium inlet and outlet 9 on the outer diameter control pressure cylinder 8 to enter the pressure medium, and the first outer diameter control pressure cylinder pressure medium enters The outlet 7 squeezes out the pressure medium, so that the outer diameter profiling surface of the iron core on the outer diameter control feedback indenter 12 forms a certain gap with the outer diameter surface of the single group iron core 19, and the welded iron core is manually welded by an automatic reclaimer or Take out. So far, the welding process of the whole iron core is completed.

The stator rounding equipment of the centralized winding servo motor of this embodiment is convenient and simple to operate in the whole process, improves the yield and consistency of the iron core rounding, and ensures stable motor performance and improved production efficiency.

The stator rounding equipment of the centralized winding servo motor of this embodiment can perform flexible and fast replacement iron core rounding parts according to the number and size of the motor iron cores, which greatly improves the yield rate and production efficiency.

In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

The parts not involved in the present invention are the same as the prior art or implemented by using the prior art.

Claims

An iron core rounding component used in a stator rounding equipment, which is characterized by comprising an inner diameter control feedback head (5), an outer diameter control pressure cylinder (8), an outer diameter size feedback pressure piston rod (10), The outer diameter control feedback pressure head (12), the piston pressure cover plate (15) and the iron core axially compress the piston (18),

The outer diameter feedback pressure piston rod (10) is inserted into the outer diameter control pressure cylinder (8) and both ends of the outer diameter feedback pressure piston rod (10) extend out of the outer diameter control pressure cylinder (8), and the outer diameter feedback pressure The piston rod (10) and the outer diameter control pressure cylinder (8) constitute a linkage pressure piston mechanism; the cylinder body of the outer diameter control pressure cylinder (8) is provided with first outer diameter control pressure cylinders (8) communicating with the inner pressure chambers. Outer diameter control pressure cylinder pressure medium inlet and outlet (7) and second outer diameter control pressure cylinder pressure medium inlet and outlet (9), first outer diameter control pressure cylinder pressure medium inlet and outlet (7) and second outer diameter control pressure cylinder The pressure medium inlet and outlet (9) are all connected with external pressure equipment to control the pressure medium in and out to realize the outer diameter of the iron core; one end of the outer diameter feedback pressure piston rod (10) is connected to the inner diameter control feedback pressure head (5), and the pressure is controlled at the outer diameter The top of the cylinder (8) is connected to the outer diameter control feedback pressure head (12);

The bottom end of the outer diameter control feedback indenter (12) is slidably connected to the top end of the inner diameter control feedback indenter (5), and the top end surface of the outer diameter control feedback indenter (12) is concavely provided with a piston ( 18) Insert and form the pressure hole (12-3) of the pressure seal cavity, the outer diameter control feedback pressure head (12) is respectively provided with the first outer diameter control feedback pressure medium inlet and outlet (14) and the second outer diameter Control feedback head pressure medium inlet and outlet (13), first outer diameter control feedback head pressure medium inlet and outlet (14) communicate with the pressure hole (12-3) at the orifice, second outer diameter control feedback pressure head pressure The medium inlet and outlet (13) communicate with the pressure hole (12-3) at the bottom of the hole;

The core axial compression piston (18) is composed of a piston rod (18-1) and a compression head (18-2). The bottom end of the piston rod (18-1) is provided with a pressure hole (12-3). ) Cooperate to form the piston head (18-3) of the piston movement, the piston pressure cover plate (15) is sleeved on the piston rod (18-1) and the compression head (18-2) is set on the piston rod (18- 1) The top end; the iron core axially presses the piston rod (18-1) of the piston (18) into the pressure hole (12-3) and the piston head (18-3) forms pressure in the pressure hole (12-3) In the sealed chamber, the piston pressure cover plate (15) is fixed on the top end surface of the outer diameter control feedback pressure head (12); the first outer diameter control feedback pressure head pressure medium inlet and outlet (14) on the outer diameter control feedback pressure head (12) ) And the second outer diameter control feedback pressure medium inlet and outlet (13) are connected to an external pressure device for pressure control, so that the iron core axially compresses the piston (18) to move up and down within the required range;

The inner diameter control feedback indenter (5) includes the indenter body (5-1) and the slotted piston rod (5-2). The slotted piston rod (5-2) is vertically arranged in the indenter through the vertical rod (5-3). At one end of the head body (5-1), a slotted piston rod (5-2) is inserted into the stator rounding equipment.
The iron core rounding component used in the stator rounding equipment according to claim 1, wherein the iron core rounding component further comprises a distance size sensor (11), an inner diameter radial size sensor (20) and two The length sensor (17), the transmitter end of the distance size sensor (11) is set on the other end of the outer diameter size feedback pressure piston rod (10) or on the cylinder body of the outer diameter control pressure cylinder (8), the distance size sensor ( 11) The inner receiving end is arranged on the cylinder body of the outer diameter control pressure cylinder (8) or the other end of the outer diameter size feedback pressure piston rod (10); the transmitting end and the distance size sensor in the distance size sensor (11) (11) The receiving end inside constitutes a feedback pair;

The transmitting end of the inner diameter radial size sensor (20) is installed on the top of the slotted piston rod (5-2) of the inner diameter control feedback indenter (5), and the receiving end of the inner diameter radial size sensor (20) is installed on the stator joint circle On the device, the transmitting end of the inner diameter radial size sensor (20) and the receiving end of the inner diameter radial size sensor (20) constitute a feedback pair;

Both ends of the two length sensors (17) are provided with connecting holes (17-1) for inserting the coaxial pins (16), and the connecting holes (17-1) at one end of the two length sensors (17) pass through the coaxial The pin (16) is set on the top end surface of the outer diameter control feedback indenter (12), and the connecting holes (17-1) at the other end of the two length sensors (17) are respectively connected with the length sensors ( 17) A connecting hole (17-1) at one end is arranged on the top end surface of the outer diameter control feedback indenter (12) through a coaxial pin (16).
The iron core rounding component used in the stator rounding equipment according to claim 1, characterized in that a base for inserting the coaxial pin (16) is provided on the top end surface of the outer diameter control feedback indenter (12). Seat (12-4).
The iron core rounding component used in the stator rounding equipment according to claim 1, characterized in that the top of the outer diameter control pressure cylinder (8) is provided with a coupling protrusion connected to the outer diameter control feedback pressure head (12) (8-1), the bottom of the outer diameter control feedback indenter (12) is provided with a notch (12-1) that fits with the coupling protrusion (8-1), and the coupling protrusion (8) is inserted into the notch (12) -1) and fixed.
The iron core rounding component used in the stator rounding equipment according to claim 1, wherein the bottom end surface of the outer diameter control feedback indenter (12) is provided with an inner diameter control feedback indenter (5). The sliding groove (12-2) is matched with the sliding groove (12-2), the other end of the indenter body (5-1) in the inner diameter control feedback indenter (5) is convexly provided with the outer diameter control feedback indenter (12 The sliding groove (12-2) on the bottom end surface of the) is slidingly matched with the sliding protrusion (5-5).
The iron core rounding component used in the stator rounding equipment according to claim 1, wherein one end of the outer diameter feedback pressure piston rod (10) is provided with a through "T"-shaped slot (10-1) ) Is used to engage the inner diameter control feedback pressure head (5), and the other end of the pressure head body (5-1) in the inner diameter control feedback pressure head (5) is vertically provided with a feedback pressure piston with the outer diameter size The "T"-shaped groove (10-1) on the rod (10) is slidingly fitted with the "T"-shaped block (5-4), and the "T"-shaped block (5-4) is inserted into the "T"-shaped groove (10) -1) and connected by elastic pins (6).