Motor stator welding apparatus with clamping device

Abstract

The application belongs to the technical field of motor stator welding, and discloses a motor stator welding device with a clamping device, which comprises a base and further comprises a pressure applying assembly arranged at one end of the base. In the application, a plurality of iron cores are sequentially sleeved outside the supporting cylinder, the iron cores are supported by the receiving rods, and during movement, gas is injected into the shunt pipe through the injection pipe and the connecting pipe, the gas enters the receiving rod through the sleeve pipe and the movable rod, the air pressure in the receiving rod gradually increases, the receiving rod and the movable rod move upwards along the sleeve pipe, the positioning assembly is arranged in an annular array outside the supporting cylinder, the plurality of iron cores are clamped and supported by the receiving rods to keep coaxial with the supporting cylinder, and during the adjustment of the iron cores by the receiving rods, the phenomenon of mutual contact and friction caused by the stacking of the plurality of iron cores can be avoided, the weight of the stacked iron cores is reduced by the support of the receiving rods, and the efficiency of the adjustment of the plurality of iron cores to be coaxial is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of motor stator welding, and specifically relates to a motor stator welding equipment with a clamping device. BACKGROUND

[0002] The motor stator is one of the core components of the motor, cooperates with the rotor to realize the conversion of electric energy and mechanical energy, and is composed of an iron core, a winding, a shell and an insulating material; the iron core is composed of silicon steel sheets and is fixed into a whole through laser welding or argon arc welding on the outer circle or end face of the iron core laminations, is used for magnetic conduction and reduces eddy current loss; at present, the silicon steel sheet stacking of the motor stator iron core is usually positioned by a center positioning column with a changeable diameter, the existing center positioning column is expanded after the silicon steel sheets are stacked, so that the stacked silicon steel sheets are kept coaxial, but in this process, the gravity of the stacked silicon steel sheets is all downwardly applied, the pressure of the lower layer is large when the center positioning column is expanded, and the silicon steel sheets are prone to wear, which makes it difficult to realize the concentricity, or a fixed center positioning column matched with the silicon steel sheet is used, but since the inner diameter of the silicon steel sheet is matched with the outer part of the center positioning column, the silicon steel sheet needs to be sleeved on the outside of the center positioning column with the help of a knocking hammer, so as to make the silicon steel sheet be sleeved on the outside of the center positioning column, thereby reducing the efficiency of the silicon steel sheet stacking, and therefore the motor stator welding equipment with the clamping device is proposed. SUMMARY

[0003] To solve the problems in the background art, the motor stator welding equipment with the clamping device is provided, which solves the problem that the existing center positioning column is expanded after the silicon steel sheets are stacked, so that the stacked silicon steel sheets are kept coaxial, in this process, the gravity of the stacked silicon steel sheets is all downwardly applied, the pressure of the lower layer is large when the center positioning column is expanded, and the silicon steel sheets are prone to wear.

[0004] To achieve the above-mentioned purpose, the application provides the following technical scheme: a motor stator welding equipment with a clamping device, comprising a base, further comprising:

[0005] A pressing assembly is arranged at one end of the base;

[0006] A supporting assembly is fixed to the other end of the base, and a welding equipment is arranged on the base close to the supporting assembly;

[0007] A positioning assembly is arranged in an annular array outside the supporting assembly;

[0008] An iron core is sleeved outside the positioning assembly;

[0009] The supporting assembly comprises a supporting cylinder fixed to the base, and a gas injection pipe is fixed in the inside of the supporting cylinder.

[0010] The positioning assembly comprises a shunt pipe fixed to the inner wall of the supporting cylinder, the shunt pipe is communicated with one end of the gas injection pipe through a connecting pipe, the outer part of the shunt pipe is fixed with a sleeve pipe penetrating through the supporting cylinder, the inner part of the sleeve pipe movably sheaths a movable rod, one end of the movable rod is fixed with a receiving rod;

[0011] The receiving rod is communicated with the shunt pipe through the movable rod and the sleeve pipe.

[0012] The iron core is sheathed outside the supporting cylinder, and the wire slot of the iron core is in contact with the outer part of the positioning assembly.

[0013] Preferably, rubber pads are arranged on both sides of the receiving rod, and the rubber pads are in communication with the inner part of the receiving rod.

[0014] The side part of the rubber pad is provided with a deformation prevention pad.

[0015] Preferably, a piston is movably sheathed inside the supporting cylinder, and one end of the piston is fixed with a piston rod.

[0016] The other end of the inner part of the gas injection pipe is fixed with a cross-shaped stabilizing frame, and the piston rod penetrates through the inner part of the cross-shaped stabilizing frame.

[0017] Preferably, the pressure applying assembly comprises a hydraulic device fixed to the base, a guide rod is fixed to the base, the output end of the hydraulic device is fixed with a supporting frame sliding outside the guide rod, and a pressure applying ring is fixed to the supporting frame.

[0018] Preferably, the output end of the hydraulic device is coaxial with the piston rod, and when the pressure applying ring moves towards the supporting cylinder, the pressure applying ring is sheathed outside the supporting cylinder and the receiving rod and is in contact with the iron core.

[0019] Preferably, the positioning assembly further comprises a gasket sheathed inside the receiving rod, one end of the top part of the receiving rod is provided with an arc-shaped through slot, and the gasket is attached to the top part of the receiving rod through the arc-shaped through slot.

[0020] The iron core is sheathed outside the receiving rod, and the wire slot is in contact with the top part of the gasket.

[0021] Preferably, one end of the gasket is located inside the receiving rod, and the gasket is connected to the inner wall of the receiving rod through an elastic member.

[0022] Preferably, one end of the gas injection pipe is movably sheathed with a stabilizing frame, the side part of the stabilizing frame is fixed with a connecting member, and the inner part of the gas injection pipe is provided with a reset elastic member supporting the stabilizing frame.

[0023] The side part of the base is fixed with a guide frame, the outer part of the guide frame is fixed with a C-shaped buckle, and the gasket is connected to the connecting member through the C-shaped buckle.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0025] This invention involves multiple iron cores sequentially sleeved on the outside of a support cylinder, with grooves engaging with the outside of a receiving rod. The receiving rod supports the iron cores, and a pressure-applying component moves towards the iron cores. During this movement, air is injected into the distribution pipe through an air injection pipe and a connecting pipe. The gas enters the receiving rod through the sleeve and the movable rod, and the air pressure inside the receiving rod gradually increases, causing the receiving rod and the movable rod to move upward along the sleeve. Since the positioning components are arranged in a ring array outside the support cylinder, the synchronous movement of the receiving rod clamps the multiple iron cores and keeps them coaxial with the support cylinder. During the adjustment of the iron cores using the receiving rod, the phenomenon of multiple iron cores stacking and contacting each other, causing friction, can be avoided. Furthermore, the support of the receiving rod reduces the weight of multiple stacked iron cores and improves the efficiency of coaxial adjustment of multiple iron cores.

[0026] This invention uses a pressure-applying component to move towards a support component, pushing a piston rod and piston to inject air into a positioning component through an air injection pipe. During the piston's movement, it contacts a stabilizer and pushes a connecting piece to pull a pad and an elastic element. Simultaneously, a pressure-applying ring contacts the iron core, thereby pushing the iron core towards one end of the base. As the pressure-applying ring pushes the iron core, it simultaneously pulls the pad, achieving synchronous movement. This reduces friction between the iron core's groove and the pad, thereby improving the iron core's production quality. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall appearance and structure of the present invention;

[0028] Figure 2 This is a schematic cross-sectional view of the support component and positioning component of the present invention;

[0029] Figure 3 This is a schematic diagram of the positioning component and the iron core planar structure of the present invention;

[0030] Figure 4 For the present invention Figure 3 Enlarged structural diagram at point A in the middle;

[0031] Figure 5 For the present invention Figure 3 Schematic diagram of the cross-sectional structure of the middle FF;

[0032] Figure 6 For the present invention Figure 3 Schematic diagram of the cross-sectional structure of the EE;

[0033] Figure 7 For the present invention Figure 6 Enlarged structural diagram at point B;

[0034] Figure 8 This is a schematic diagram of the disassembled structure of the positioning component and support component of the present invention;

[0035] Figure 9 Figure is the disassembling structure diagram of the supporting rod and the gasket of the application.

[0036] In the figure: 1, base; 2, pressure applying assembly; 21, guide rod; 22, support frame; 23, hydraulic device; 24, pressure applying ring; 3, support assembly; 31, support cylinder; 32, gas injection pipe; 33, piston rod; 34, piston; 4, positioning assembly; 41, supporting rod; 42, movable rod; 43, sleeve; 44, shunt pipe; 45, connecting pipe; 46, rubber pad; 411, stabilizing frame; 412, reset elastic member; 413, connecting piece; 414, guide frame; 415, C-shaped buckle; 416, gasket; 417, arc-shaped through slot; 418, elastic member; 5, iron core. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the application will be apparently and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0038] As Figures 1 to 9 shown, the application provides a motor stator welding equipment with a clamping device, which comprises a base 1 and further comprises:

[0039] a pressure applying assembly 2, which is arranged at one end of the base 1;

[0040] a support assembly 3, which is fixed at the other end of the base 1, and the base 1 is provided with a welding equipment close to the support assembly 3;

[0041] a positioning assembly 4, which is arranged in an annular array outside the support assembly 3;

[0042] an iron core 5, which is sleeved outside the positioning assembly 4;

[0043] wherein the support assembly 3 comprises a support cylinder 31 fixed on the base 1, and the inside of the support cylinder 31 is fixed with a gas injection pipe 32;

[0044] the positioning assembly 4 comprises a shunt pipe 44 fixed on the inner wall of the support cylinder 31, the shunt pipe 44 is communicated with one end of the gas injection pipe 32 through a connecting pipe 45, the outside of the shunt pipe 44 is fixed with a sleeve 43 penetrating through the support cylinder 31, the inside of the sleeve 43 movably sleeves a movable rod 42, and one end of the movable rod 42 is fixed with a supporting rod 41;

[0045] the supporting rod 41 is communicated with the shunt pipe 44 through the movable rod 42, the sleeve 43 and the shunt pipe 44;

[0046] The iron core 5 is sleeved outside the supporting cylinder 31, and the wire slot of the iron core 5 is in contact with the outside of the positioning assembly 4.

[0047] A plurality of iron cores 5 are sequentially sleeved outside the supporting cylinder 31, and the wire slot is clamped outside the receiving rod 41. The iron core 5 is supported by the receiving rod 41, and the iron core 5 is moved by the pressing assembly 2. In the movement process, gas is injected into the shunt pipe 44 through the gas injection pipe 32 and the connecting pipe 45. The gas enters the receiving rod 41 through the sleeve pipe 43 and the movable rod 42. The gas pressure in the receiving rod 41 gradually increases, so that the receiving rod 41 and the movable rod 42 move upwards along the sleeve pipe 43. Since the positioning assembly 4 is arranged in an annular array outside the supporting cylinder 31, the plurality of iron cores 5 are clamped and supported by the receiving rod 41 to keep coaxial with the supporting cylinder 31. During the adjustment of the iron core 5 by the receiving rod 41, the phenomenon of mutual contact and friction caused by the stacking of the plurality of iron cores 5 can be avoided. The weight of the plurality of iron cores 5 stacked is reduced by the support of the receiving rod 41, and the efficiency of adjusting the coaxiality of the plurality of iron cores 5 is improved.

[0048] The pressure is applied to the iron core 5 by the pressing assembly 2, so that the plurality of iron cores 5 move along the receiving rod 41 to one end of the base 1. After the pressure is applied, the iron core 5 is welded by the welding equipment. The gas in the receiving rod 41 can be discharged by the reverse movement of the pressing assembly 2, so that the welded stator can be easily taken down.

[0049] As shown in Figure 4 The two sides of the receiving rod 41 are provided with rubber pads 46, and the rubber pads 46 are in communication with the receiving rod 41.

[0050] The side of the rubber pad 46 is provided with a deformation prevention pad.

[0051] The iron core 5 is sequentially sleeved outside the supporting cylinder 31 and the receiving rod 41. The pressing assembly 2 moves towards the supporting assembly 3. The receiving rod 41 is injected with gas by the supporting assembly 3. The gas enters the rubber pad 46, so that the rubber pad 46 expands and the deformation prevention pad is in contact with the inner wall of the wire slot of the iron core 5. The wire slots of the plurality of iron cores 5 are kept aligned by the rubber pads 46 on both sides, and the deformation prevention pad prevents the rubber pad 46 from being clamped in the gap between the two iron cores 5.

[0052] As shown in Figure 1 and Figure 5 The piston 34 is movably sleeved inside the supporting cylinder 31. The piston rod 33 is fixed to one end of the piston 34.

[0053] The other end of the gas injection pipe 32 is fixed with a cross-shaped stabilizing frame, and the piston rod 33 passes through the cross-shaped stabilizing frame.

[0054] The pressure applying assembly 2 comprises a hydraulic device 23 fixed on the base 1, a guide rod 21 is fixed on the base 1, an output end of the hydraulic device 23 is fixed with a support frame 22 sliding on the outside of the guide rod 21, and a pressure applying ring 24 is fixed on the support frame 22;

[0055] The output end of the hydraulic device 23 is coaxial with the piston rod 33, and when the pressure applying ring 24 moves towards the support cylinder 31, the pressure applying ring 24 is sleeved on the outside of the support cylinder 31 and the receiving rod 41 and contacts the iron core 5.

[0056] By sleeving the iron core 5 on the outside of the receiving rod 41, the hydraulic device 23 is started to push the pressure applying ring 24 to move towards the support assembly 3, and in the movement process, the output end of the hydraulic device 23 contacts the piston rod 33 and pushes the piston 34 to move towards the other end of the gas injection pipe 32, and the gas in the gas injection pipe 32 is injected into the shunt pipe 44 and the receiving rod 41 through the connecting pipe 45;

[0057] And the pressure applying ring 24 contacts the iron core 5, the iron core 5 is pushed to move along the outside of the receiving rod 41 by the pressure applying ring 24, the pressure applying ring 24 applies pressure to the iron core 5, and the iron core 5 is welded by the welding equipment to form the stator.

[0058] As shown in Figures 5 to 9 The positioning assembly 4 further comprises a gasket 416 sleeved on the inside of the receiving rod 41, and an arc-shaped through slot 417 is formed in the top of the receiving rod 41, and the gasket 416 passes through the arc-shaped through slot 417 and is attached to the top of the receiving rod 41;

[0059] The iron core 5 is sleeved on the outside of the receiving rod 41, and the wire slot contacts the top of the gasket 416;

[0060] One end of the gasket 416 is located in the inside of the receiving rod 41, and is connected to the inner wall of the receiving rod 41 through the elastic member 418;

[0061] One end of the gas injection pipe 32 movably sleeved with a stabilizing frame 411, the side of the stabilizing frame 411 is fixed with a connecting piece 413, and the inside of the gas injection pipe 32 is provided with a reset elastic member 412 supporting the stabilizing frame 411;

[0062] The side of the base 1 is fixed with a guide frame 414, the outside of the guide frame 414 is fixed with a C-shaped buckle 415, and the gasket 416 passes through the C-shaped buckle 415 and is connected to the connecting piece 413.

[0063] Through the pressure assembly 2 to the support assembly 3 movement, push the piston rod 33 and the piston 34 through the gas injection pipe 32 to the positioning assembly 4 into the gas injection, and the piston 34 movement process and the stable frame 411 contact, and push the connecting piece 413 pull the gasket 416 and the elastic element 418, simultaneously, the pressure ring 24 and the iron core 5 contact, thereby pushing the iron core 5 to the base 1 one end movement, the pressure ring 24 push the iron core 5 process synchronous pull gasket 416, can realize synchronous movement, thereby reducing the friction between the wire slot of the iron core 5 and the gasket 416, and further improve the production quality of the iron core 5.

[0064] The working principle and use process of the application are as follows:

[0065] A plurality of iron cores 5 are sequentially sleeved on the outside of the support barrel 31, and the wire slots are engaged on the outside of the receiving rod 41. The iron cores 5 are supported by the receiving rod 41. The pressure assembly 2 moves towards the iron core 5. During the movement, gas is injected into the shunt pipe 44 through the connecting pipe 45 and the gas injection pipe 32. The gas enters the receiving rod 41 through the sleeve pipe 43 and the movable rod 42. The gas pressure in the receiving rod 41 gradually increases, causing the receiving rod 41 and the movable rod 42 to move upwards along the sleeve pipe 43. Since the positioning assembly 4 is arranged in an annular array on the outside of the support barrel 31, the receiving rod 41 moves synchronously to hold the plurality of iron cores 5 coaxially with the support barrel 31. During the adjustment of the iron core 5 by the receiving rod 41, the phenomenon of mutual contact and friction caused by the stacking of the plurality of iron cores 5 can be avoided. The weight of the stacked plurality of iron cores 5 is reduced by the support of the receiving rod 41, improving the efficiency of the adjustment of the plurality of iron cores 5 coaxially.

[0066] When the gas enters the rubber pad 46, the rubber pad 46 expands and contacts the inner wall of the wire slot of the iron core 5. The wire slots of the plurality of iron cores 5 are kept aligned by the rubber pads 46 on both sides. The rubber pad 46 and the iron core 5 are prevented from being engaged in the gap between the two iron cores 5 by the anti-deformation pad.

[0067] Through the pressure assembly 2 to the support assembly 3 movement, push the piston rod 33 and the piston 34 through the gas injection pipe 32 to the positioning assembly 4 into the gas injection, and the piston 34 movement process and the stable frame 411 contact, and push the connecting piece 413 pull the gasket 416 and the elastic element 418, simultaneously, the pressure ring 24 and the iron core 5 contact, thereby pushing the iron core 5 to the base 1 one end movement, the pressure ring 24 push the iron core 5 process synchronous pull gasket 416, can realize synchronous movement, thereby reducing the friction between the wire slot of the iron core 5 and the gasket 416;

[0068] Start the hydraulic device 23 to push the pressure ring 24 to the support assembly 3 movement, the output end of the hydraulic device 23 and the piston rod 33 contact during the movement, and push the piston 34 to the other end of the gas injection pipe 32, and inject the gas in the gas injection pipe 32 into the shunt pipe 44 and the receiving rod 41 through the connecting pipe 45;

[0069] The pressing ring 24 is in contact with the iron core 5, and the iron core 5 is pushed to move along the outside of the supporting rod 41 by the pressing ring 24, the pressing ring 24 applies pressure to the iron core 5, and the iron core 5 is welded by the welding equipment to form the stator;

[0070] The pressing assembly 2 applies pressure to the iron core 5, and the iron core 5 moves along the supporting rod 41 to one end of the base 1, and then the iron core 5 is welded by the welding equipment, and the supporting assembly 3 and the gas in the supporting rod 41 are discharged by the reverse movement of the pressing assembly 2, so that the welded stator can be taken out.

[0071] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0072] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives, and variations can be made in the embodiments without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.

Claims

1. A welding apparatus for electric machine stators with clamping devices, comprising a base (1), characterised in that, Also include: Pressure assembly (2), the pressure assembly (2) is arranged in one end of the base (1); Support assembly (3), the support assembly (3) is fixed to the other end of the base (1), the base (1) is provided with welding equipment near the support assembly (3); Positioning assembly (4), the positioning assembly (4) is arranged in an annular array outside the support assembly (3); Iron core (5), the iron core (5) is sleeved outside the positioning assembly (4); Wherein, the support assembly (3) includes a support cylinder (31) fixed to the base (1), the inside of the support cylinder (31) is fixed with a gas injection pipe (32); The positioning assembly (4) includes a shunt pipe (44) fixed to the inner wall of the support cylinder (31), the shunt pipe (44) is communicated with one end of the gas injection pipe (32) through the connecting pipe (45), the outside of the shunt pipe (44) is fixed with the sleeve (43) penetrating the support cylinder (31), the inside of the sleeve (43) movably sleeved with the movable rod (42), one end of the movable rod (42) is fixed with the receiving rod (41); The receiving rod (41) is communicated with the shunt pipe (44) through the movable rod (42), the sleeve (43); The iron core (5) is sleeved outside the support cylinder (31), the wire slot of the iron core (5) is in contact with the outside of the positioning assembly (4); The inside of the support cylinder (31) movably sleeved with the piston (34), one end of the piston (34) is fixed with the piston rod (33); The other end of the inside of the gas injection pipe (32) is fixed with a cross stable frame, the piston rod (33) penetrates the cross stable frame; The pressure assembly (2) includes a hydraulic device (23) fixed to the base (1), the base (1) is fixed with a guide rod (21), the output end of the hydraulic device (23) is fixed with a support frame (22) sliding outside the guide rod (21), the support frame (22) is fixed with a pressure ring (24); The positioning assembly (4) further includes a gasket (416) sleeved inside the receiving rod (41), one end of the top of the receiving rod (41) is provided with an arc through slot (417), the gasket (416) passes through the arc through slot (417) and is attached to the top of the receiving rod (41); The iron core (5) is sleeved outside the receiving rod (41), and the wire slot is in contact with the top of the gasket (416); One end of the gasket (416) is located inside the receiving rod (41), and is connected with the inner wall of the receiving rod (41) through the elastic member (418).

2. The motor stator welding apparatus with clamping device according to claim 1, characterized in that: The two sides of the receiving rod (41) are provided with rubber pads (46), which are communicated with the receiving rod (41) inside; The side of the rubber pad (46) is provided with a deformation prevention pad.

3. The motor stator welding apparatus with a clamping device according to claim 1, characterized in that: The output end of the hydraulic device (23) is coaxial with the piston rod (33), when the pressure ring (24) moves towards the support cylinder (31), the pressure ring (24) is sleeved outside the support cylinder (31), the receiving rod (41) and the iron core (5).

4. The motor stator welding apparatus with a clamping device according to claim 1, characterized in that: One end of the gas injection pipe (32) movably sheaths a stabilizing frame (411), side portions of the stabilizing frame (411) are fixed with connecting pieces (413), the inside of the gas injection pipe (32) is provided with a reset elastic member (412) for supporting the stabilizing frame (411); Side portions of the base (1) are fixed with guide frames (414), the outside of the guide frames (414) are fixed with C-shaped buckles (415), the gaskets (416) pass through the C-shaped buckles (415) and are connected with the connecting pieces (413).

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