Pressing device applied to motor accessory machining

Abstract

The invention discloses a pressing device applied to motor accessory machining, and relates to the technical field of motor accessory machining, the pressing device comprises a pressing assembly, the pressing assembly comprises a bearing seat, a hydraulic cylinder is arranged at the top of the bearing seat, a support is fixed to the output end of the hydraulic cylinder, and a grading ring is fixed to the bottom of the support; and the external attachment assembly is arranged at the top of the bearing seat and comprises a positioning sleeve fixed at the top of the bearing seat. The beneficial effects of the invention are that through the arrangement of the external attachment assembly and the positioning assembly, when the stator and rotor punching sheets gradually move downwards, flow-equalizing air injection treatment can be carried out, so that the stator and rotor punching sheets can be rapidly moved downwards and placed, blockage and clamping stagnation are avoided, negative pressure air exhaust operation is carried out before pressing operation, air around the stator and rotor punching sheets and in gaps is actively exhausted, and the efficiency is improved. The quality of subsequent stator and rotor finished products is guaranteed, exhausted gas can serve as a gas injection source in the positioning assembly, no extra supercharging equipment needs to be arranged, and the actual machining cost is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of motor accessory machining, in particular to a pressing device applied to motor accessory machining. BACKGROUND

[0002] In automobile motor machining, a stator and a rotor are one of indispensable components of a motor, and the stator and the rotor realize conversion between electric energy and mechanical energy through electromagnetic induction, are the key to realize power output or electric energy generation of the motor, and are also in the overall machining process. In actual production and machining process, the pressing device is used to press and form an integrated body after stacking qualified punched sheets after punching.

[0003] The pressing device in the prior art generally adopts manual feeding mode, and the punched sheets are placed one by one. After the number and height of the punched sheets meet the requirements, the pressing operation is performed. However, due to the high-precision alignment requirement of the punched sheets and the lack of precision of manual repeated actions, the punched sheets are prone to downward jamming. The punched sheets need to be knocked down with the aid of auxiliary tools. The labor intensity is large, the operation time is long, and air exists in the gaps between the punched sheets when the punched sheets are not pressed. Direct pressing operation can easily cause air retention, and affect the overall quality of the stator and the rotor. SUMMARY

[0004] In view of the problems existing in the prior art pressing device applied to motor accessory machining, the application is proposed.

[0005] Therefore, the problem to be solved by the application is that the pressing device in the prior art is prone to downward jamming due to the high-precision alignment requirement of the punched sheets and the lack of precision of manual repeated actions. Air exists in the gaps between the punched sheets when the punched sheets are not pressed. Direct pressing operation affects the overall quality of the stator and the rotor.

[0006] To solve the above technical problems, the application provides the following technical scheme: a pressing device applied to motor accessory machining, comprising, a pressing assembly comprising a bearing seat, a hydraulic cylinder arranged at the top of the bearing seat, a support fixed to the output end of the hydraulic cylinder, and an equalizing ring fixed to the bottom of the support; and an external attachment assembly arranged at the top of the bearing seat and comprising a positioning sleeve fixed to the top of the bearing seat, a sealing cylinder fixed to the outer circle of the positioning sleeve, an air extraction member arranged at the top of the sealing cylinder, a driving member arranged in the sealing cylinder, a pushing member arranged at the outer circle of the positioning sleeve, a gas conveying member arranged at one side of the air extraction member, and a hollow ring arranged at the bottom of the inner cavity of the positioning sleeve, The positioning assembly is arranged on the top of the bearing seat and comprises a positioning column fixed to the center of the top of the bearing seat, an upper sealing plate slidably connected to the top of the outer circle of the positioning column, a lower sealing plate fixed to the bottom of the outer circle of the positioning column, and a stator core placed between the upper sealing plate and the lower sealing plate, and an auxiliary flow part is arranged on the outer circle of the positioning column.

[0007] As a preferred scheme of the pressing device applied to motor accessory machining, the bottom of the support is fixed with a support rod, the fixed end of the hydraulic cylinder is bolted with a mounting frame, and one side of the sealing cylinder is fixed with a transmission valve.

[0008] As a preferred scheme of the pressing device applied to motor accessory machining, the auxiliary shell in the auxiliary shell is slidably connected with a first toothed plate, a gear is arranged at the center of the auxiliary shell, a second toothed plate is slidably connected to the bottom of the auxiliary shell, an auxiliary frame is fixed to the bottom of the second toothed plate, and a sealing head is fixed to the bottom of the auxiliary frame.

[0009] As a preferred scheme of the pressing device applied to motor accessory machining, the bottom of the first toothed plate is fixed with a first spring, the bottom end of the first spring is fixed in the auxiliary shell, the auxiliary frame is slidably connected to the sealing cylinder, and the sealing head is slidably connected in the sealing cylinder.

[0010] As a preferred scheme of the pressing device applied to motor accessory machining, the driving part comprises a transmission pipe fixed to the positioning sleeve, a cover is arranged on the transmission pipe, one side of the cover is fixed with a pressing block, the bottom of the sealing cylinder is slidably connected with a displacement plate, the other side of the cover is fixed with a support, a second spring is fixed on the support, the other end of the second spring is fixed on the transmission pipe, air holes are formed in the outer circle of the cover, an inclined groove is formed in the top of the pressing block, and a through groove is formed in the displacement plate and slidably connected with the inclined groove.

[0011] As a preferred scheme of the pressing device applied to motor accessory machining, the pushing part comprises a displacement frame slidably connected to the outer circle of the positioning sleeve, a connecting plate is rotatably connected to the top of the displacement frame, a sealing strip is rotatably connected to the top end of the connecting plate, and a sealing groove is formed in the positioning sleeve and slidably connected with the sealing strip.

[0012] As a preferred scheme of the application, the air conveying member comprises a first air conveying pipe fixed to one side of the sealing cylinder, a second air conveying pipe arranged on the other side of the sealing cylinder, a straight air return pipe fixed to the second air conveying pipe, and a hollow ring with an outer ring fixed to one end of the first air conveying pipe and the second air conveying pipe, and an inner ring provided with air conveying holes.

[0013] As a preferred scheme of the application, the positioning column is provided with a positioning rod at the outer ring, and the inner ring of the stator and rotor lamination is provided with a winding slot.

[0014] As a preferred scheme of the application, the auxiliary flow member comprises an arc-shaped slot arranged on the outer ring of the positioning column, the outer ring of the positioning column is provided with a convex head, the arc-shaped slot is fixed with an arc-shaped rod and is in sliding connection with the convex head, the arc-shaped rod is sleeved with a third spring, and the positioning column is rotatably connected with a rotating plate.

[0015] As a preferred scheme of the application, one end of the third spring is fixed in the arc-shaped slot, the other end of the third spring is fixed on the convex head, a rotating slot is arranged at the top of the inner cavity of the arc-shaped slot and is in sliding connection with the rotating plate, a convex slot is arranged at the top of the inner cavity of the rotating slot, an equal flow slot is arranged at the bottom of the inner cavity of the convex slot, and a branch slot is arranged on one side of the inner cavity of the rotating slot.

[0016] The application has the following beneficial effects: through the arrangement of the external component and the positioning component, the auxiliary flow member is used to perform equal flow air jet treatment when the stator and rotor laminations are gradually moved down, so that the purpose of auxiliary lubrication is achieved, the stator and rotor laminations are quickly moved down and placed, and blockage and jamming are avoided, before the pressing operation, the external component is used to perform negative pressure air extraction operation, so that the gas in the periphery and gap of the stator and rotor laminations is actively discharged, the quality of the subsequent stator and rotor products is ensured, and the discharged gas can be used as the air jet source of the positioning component, without the need of additional pressure increasing equipment, and the actual processing cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 Structure diagram of the pressing device applied to motor accessory machining.

[0019] Figure 2 Sectional view of the pressing device applied to motor accessory machining.

[0020] Figure 3 Installation diagram of the external assembly and positioning assembly of the pressing device applied to motor accessory machining.

[0021] Figure 4 Partial structure top view of the pressing device applied to motor accessory machining.

[0022] Figure 5 Structure diagram of the external assembly of the pressing device applied to motor accessory machining.

[0023] Figure 6 Sectional view of the external assembly of the pressing device applied to motor accessory machining.

[0024] Figure 7 Partial structure top view of the pressing device applied to motor accessory machining. Figure 8

[0025] Figure 8 Partial structure top view of the external assembly of the pressing device applied to motor accessory machining.

[0026] Figure 9 Partial structure top view of the external assembly of the pressing device applied to motor accessory machining. Figure 10

[0027] Partial structure top view of the external assembly of the pressing device applied to motor accessory machining. Figure 10

[0028] Partial structure sectional view of the positioning column of the pressing device applied to motor accessory machining. Figure 11

[0029] ​​Figure: 1, compression assembly; 11, bearing seat; 12, hydraulic cylinder; 13, support; 13-1, support rod; 14, pressure equalizing ring; 15, mounting frame; 2, external attachment assembly; 21, positioning sleeve; 22, sealing cylinder; 22-1, transmission valve; 23, air extraction member; 23-1, auxiliary housing; 23-2, first toothed plate; 23-3, gear; 23-4, first spring; 23-5, second toothed plate; 23-6, auxiliary frame; 23-7, sealing head; 24, driving member; 24-1, air delivery pipe; 24-2, cover; 24-21, air permeation hole; 24-3, support strip; 24-31, second spring; 24-4, pressure block; 24-41, inclined slot; 24-5, displacement plate; 24-51, through slot; 25, push member; 25-1, displacement frame; 25-2, connecting plate; 25-3, sealing strip; 25-4, sealing groove; 26, air delivery member; 26-1, first air delivery pipe; 26-2, second air delivery pipe; 26-21, air return straight pipe; 26-3, extrusion wheel; 26-31, positioning shaft; 26-4, protective shell; 26-5, extrusion hose; 26-51, filter head; 27, hollow ring; 27-1, air delivery hole; 3, positioning assembly; 31, positioning column; 31-1, positioning rod; 31-2, air storage cavity; 32, upper sealing plate; 33, auxiliary flow member; 33-1, arc-shaped slot; 33-2, protruding head; 33-3, flow equalizing groove; 33-4, arc-shaped rod; 33-5, third spring; 33-6, rotating plate; 33-7, rotating slot; 33-8, protruding slot; 33-9, support slot; 34, lower sealing plate; 35, stator lamination; 35-1, winding slot. DETAILED DESCRIPTION

[0030] In order to make the above objectives, features and advantages of the present application more obvious and comprehensible, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0031] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other manners different from those described herein, and those skilled in the art can make similar generalizations without departing from the concept of the present application, therefore, the present application is not limited to the specific embodiments disclosed below.

[0032] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or selected from other embodiments. Embodiment 1

[0033] Reference Figure 1 and Figure 2For the first embodiment of the application, the embodiment provides a pressing device applied to motor accessory machining, the pressing device applied to motor accessory machining comprises a pressing assembly 1, an external assembly 2 and a positioning assembly 3, through the setting of the external assembly 2 and the positioning assembly 3, the uniform flow jetting treatment can be carried out when the materials move down one by one, the purpose of auxiliary lubrication is achieved, and the blockage and jamming are avoided, and before the pressing operation, the negative pressure air extraction operation is carried out, the quality of the subsequent stator and rotor finished products is ensured, and the discharged gas can be used as the jet gas source, and the additional pressure increasing equipment is not needed.

[0034] Specifically, the pressing assembly 1 comprises a bearing seat 11, the top of the bearing seat 11 is provided with a hydraulic cylinder 12, the output end of the hydraulic cylinder 12 is fixedly provided with a support 13, and the bottom of the support 13 is fixedly provided with an equalizing ring 14.

[0035] Specifically, the external assembly 2 is arranged on the top of the bearing seat 11 and comprises a positioning sleeve 21 fixedly arranged on the top of the bearing seat 11, a sealing cylinder 22 fixedly arranged on the outer ring of the positioning sleeve 21, an air extraction member 23 arranged on the top of the sealing cylinder 22, a driving member 24 arranged in the sealing cylinder 22, a pushing member 25 arranged on the outer ring of the positioning sleeve 21, a gas conveying member 26 arranged on one side of the air extraction member 23 and a hollow ring 27 arranged on the bottom of the inner cavity of the positioning sleeve 21.

[0036] Through the setting of the air extraction member 23, the displacement can be carried out synchronously when the support 13 moves down for the pressing operation, the purpose of negative pressure air extraction is achieved, and the quality of the subsequent product machining is ensured.

[0037] Through the setting of the driving member 24 and the pushing member 25, the gas flow can be utilized to achieve the purpose of auxiliary pressure positioning in cooperation with the pushing member 25 in the air extraction process, and the subsequent production and machining quality is favorable.

[0038] Specifically, the positioning assembly 3 is arranged on the top of the bearing seat 11 and comprises a positioning column 31 fixedly arranged at the center of the top of the bearing seat 11, an upper sealing plate 32 slidably connected to the top of the outer ring of the positioning column 31, a lower sealing plate 34 fixedly arranged at the bottom of the outer ring of the positioning column 31, a stator and rotor punching sheet 35 arranged between the upper sealing plate 32 and the lower sealing plate 34 and an auxiliary flow member 33 arranged on the outer ring of the positioning column 31.

[0039] Through the setting of the auxiliary flow member 33, the multi-position auxiliary flow jetting can be carried out on the contact surface between the stator and rotor punching sheet 35 and the positioning column 31 in the moving-down process of the stator and rotor punching sheet 35, and the plurality of stator and rotor punching sheets 35 can be sequentially stacked and placed. Embodiment 2

[0040] Reference Figures 2-11 For the second embodiment of the application, the embodiment is based on the previous embodiment.

[0041] Specifically, the support 13 is fixed with a support rod 13-1 at the bottom, and the bottom end of the support rod 13-1 is protruding relative to the bottom end of the equalizing ring 14.

[0042] The air extraction member 23 comprises an auxiliary shell 23-1 fixed to the outer circle of the positioning sleeve 21, a first toothed plate 23-2 slidably connected to the inner top of the auxiliary shell 23-1, a gear 23-3 arranged at the center of the auxiliary shell 23-1, a second toothed plate 23-5 slidably connected to the inner bottom of the auxiliary shell 23-1, an auxiliary frame 23-6 fixed to the bottom of the second toothed plate 23-5, and a sealing head 23-7 fixed to the bottom of the auxiliary frame 23-6.

[0043] The first toothed plate 23-2 is fixed with a first spring 23-4 at the bottom, and the bottom end of the first spring 23-4 is fixed to the inner bottom of the auxiliary shell 23-1. The auxiliary frame 23-6 is slidably connected to the sealing cylinder 22, and the sealing head 23-7 is slidably connected to the inner bottom of the sealing cylinder 22.

[0044] The support rod 13-1 can move downward together with the support 13 and the equalizing ring 14, and is in contact with the first toothed plate 23-2 in advance, thereby pressing the first toothed plate 23-2 to gradually move downward to complete the air extraction operation.

[0045] The first toothed plate 23-2 and the gear 23-3 are in meshing connection, and the gear 23-3 and the second toothed plate 23-5 are also in meshing connection. Through the arrangement of the first toothed plate 23-2, the gear 23-3 and the second toothed plate 23-5, when the first toothed plate 23-2 moves downward, the second toothed plate 23-5 is driven by the gear 23-3 to gradually move upward.

[0046] The connection between the auxiliary frame 23-6 and the sealing cylinder 22 and the connection between the sealing head 23-7 and the sealing cylinder 22 are both sealed. When the support rod 13-1 moves downward to press the first toothed plate 23-2 to move downward synchronously, the second toothed plate 23-5 moves upward by the cooperation of the gear 23-3, thereby driving the auxiliary frame 23-6 and the sealing head 23-7 to displace, increasing the air storage space at the inner bottom of the sealing cylinder 22 to form negative pressure to achieve the purpose of air extraction.

[0047] The driving member 24 comprises a transmission pipe 24-1 fixed to the positioning sleeve 21, a cover 24-2 arranged on the transmission pipe 24-1, a pressing block 24-4 fixed to one side of the cover 24-2, a displacement plate 24-5 slidably connected to the bottom of the sealing cylinder 22, a support 24-3 fixed to the other side of the cover 24-2, a second spring 24-31 fixed to the support 24-3, the other end of the second spring 24-31 being fixed to the transmission pipe 24-1, air holes 24-21 being formed in the outer circle of the cover 24-2, an inclined slot 24-41 being formed in the top of the pressing block 24-4, and a through slot 24-51 being formed in the displacement plate 24-5 and slidably connected to the inclined slot 24-41.

[0048] The transmission valve 22-1 is fixed on one side of the sealing cylinder 22, and the number of the transmission valve 22-1 is two. The two transmission valves 22-1 are both provided with a first one-way valve. The flow direction of the first one-way valve on the top transmission valve 22-1 is from the outside to the sealing cylinder 22, and the flow direction of the first one-way valve on the bottom transmission valve 22-1 is from the sealing cylinder 22 to the outside.

[0049] The air vent hole 24-21 is designed as a small hole and is arranged in a circumferential array on the cover shell 24-2.

[0050] The transmission pipe 24-1 is provided with a second one-way valve, and the flow direction is from the positioning sleeve 21 to the sealing cylinder 22.

[0051] Through the arrangement of the driving part 24, when the inner cavity of the sealing cylinder 22 is in a negative pressure state, the gas in the positioning sleeve 21 can be extracted and supplemented, which is used for discharging the air in the positioning sleeve 21 and is beneficial to the compression processing of the plurality of stator and rotor punching sheets 35.

[0052] When the sealing head 23-7 gradually moves upward, the space in the sealing cylinder 22 increases, the gas volume is unchanged, a negative pressure environment is formed, the gas in the sealing cylinder 22 is transmitted to the sealing cylinder 22 through the transmission pipe 24-1, and because the air vent hole 24-21 has a small diameter and a large gas flow, the cover shell 24-2 is automatically displaced, the second spring 24-31 is compressed, and under the cooperation of the inclined groove 24-41 and the through groove 24-51, the displacement plate 24-5 is used to be lifted upward.

[0053] The push part 25 includes a displacement frame 25-1 which is slidingly connected to the outer circle of the positioning sleeve 21. The top of the displacement frame 25-1 is rotationally connected with a connecting plate 25-2, the top end of the connecting plate 25-2 is rotationally connected with a sealing strip 25-3, and the positioning sleeve 21 is provided with a sealing groove 25-4 and is slidingly connected with the sealing strip 25-3.

[0054] The top of the displacement frame 25-1 is fixed to the bottom of the displacement plate 24-5, and the sealing groove 25-4 is sealed with the sealing strip 25-3.

[0055] The displacement frame 25-1 is arranged as a counterweight, that is, under the action of no external force, the displacement frame 25-1 will automatically move downward due to gravity.

[0056] When the displacement frame 25-1 moves upward together with the displacement plate 24-5, under the connection of the connecting plate 25-2, the plurality of sealing strips 25-3 will simultaneously slide in the sealing groove 25-4 and push the plurality of stator and rotor punching sheets 35 into the sealing cylinder 22 to ensure that the plurality of stator and rotor punching sheets 35 are aligned. Similarly, when the displacement frame 25-1 moves downward due to gravity, the sealing strip 25-3 will retract into the sealing groove 25-4.

[0057] The air conveying member 26 comprises a first air conveying pipe 26-1 fixed to one side of the sealing cylinder 22, a second air conveying pipe 26-2 arranged on the other side of the sealing cylinder 22, a straight air returning pipe 26-21 fixed to the second air conveying pipe 26-2, the first air conveying pipe 26-1 and the second air conveying pipe 26-2 are both fixed to the outer ring of the hollow ring 27, the inner ring of the hollow ring 27 is provided with air conveying holes 27-1, the auxiliary shell 23-1 is provided with a squeezing wheel 26-3, the inner ring of the squeezing wheel 26-3 is fixed with a positioning shaft 26-31, and the positioning shaft 26-31 is fixed to the inner ring of the gear 23-3, the auxiliary shell 23-1 is fixed with a protective shell 26-4, the protective shell 26-4 is internally provided with a squeezing hose 26-5, one end of the squeezing hose 26-5 is fixed with a filter head 26-51, and the other end of the squeezing hose 26-5 is communicated with the second air conveying pipe 26-2.

[0058] The outer ring of the hollow ring 27 is provided with a third one-way valve, and the flow direction is from the first air conveying pipe 26-1 to the hollow ring 27 or from the second air conveying pipe 26-2 to the hollow ring 27; the straight air returning pipe 26-21 is provided with a fourth one-way valve, and the flow direction is from the outside to the second air conveying pipe 26-2.

[0059] The hollow ring 27 is embedded on the positioning column 31, and the air conveying holes 27-1 are communicated with the air storage cavity 31-2.

[0060] When the gear 23-3 rotates continuously, the squeezing wheel 26-3 is driven to rotate, the squeezing hose 26-5 is squeezed, and the outside air is continuously supplemented into the hollow ring 27 through the second air conveying pipe 26-2; at the same time, with the upward movement of the sealing head 23-7, the air above the sealing cylinder 22 is input into the hollow ring 27 through the first air conveying pipe 26-1, and finally stored in the air storage cavity 31-2, so that the air volume in the air storage cavity 31-2 increases and is in a positive pressure state.

[0061] The outer ring of the positioning column 31 is fixed with a positioning rod 31-1, and the inner ring of the positioning column 31 is provided with an air storage cavity 31-2.

[0062] The auxiliary flow member 33 comprises an arc-shaped groove 33-1 arranged on the outer ring of the positioning column 31, the outer ring of the positioning column 31 is provided with a convex head 33-2, the arc-shaped groove 33-1 is fixed with an arc-shaped rod 33-4 and is slidably connected with the convex head 33-2, the arc-shaped rod 33-4 is sleeved with a third spring 33-5, and the positioning column 31 is rotatably connected with a rotating plate 33-6.

[0063] One end of the third spring 33-5 is fixed in the arc-shaped groove 33-1, the other end of the third spring 33-5 is fixed on the convex head 33-2, a rotating groove 33-7 is arranged at the top of the inner cavity of the arc-shaped groove 33-1 and is slidably connected with the rotating plate 33-6, a convex groove 33-8 is arranged at the top of the inner cavity of the rotating groove 33-7, an equal flow groove 33-3 is arranged at the bottom of the inner cavity of the convex groove 33-8, and a branch groove 33-9 is arranged on one side of the inner cavity of the rotating groove 33-7.

[0064] The arc-shaped rod 33-4 can guide the displacement of the convex head 33-2 and ensure the stability of the action of the convex head 33-2.

[0065] The inner circle of the stator and rotor lamination 35 is provided with a winding slot 35-1, and the inner diameter of the winding slot 35-1 is greater than the diameter of the convex head 33-2, so as to avoid the influence of the convex head 33-2 on the normal assembly of the stator and rotor lamination 35.

[0066] The rotating plate 33-6 and the rotating groove 33-7 are sealed, and the convex groove 33-8 is protruding compared with the rotating groove 33-7, that is, when the rotating plate 33-6 rotates below the convex groove 33-8, the positive pressure gas in the gas storage cavity 31-2 will be transmitted through the branch groove 33-9, the rotating groove 33-7 and the convex groove 33-8, and finally be blown to the stator and rotor lamination 35 and the positioning column 31 through the flow uniformizing groove 33-3, which is beneficial to the gradual falling and stacking of the stator and rotor lamination 35.

[0067] In use, the stator and rotor lamination 35 is sleeved on the positioning column 31, and when the stator and rotor lamination 35 is placed, the convex head 33-2 is pressed downward, so that the convex head 33-2 slides along the arc-shaped rod 33-4, the third spring 33-5 is compressed, the convex head 33-2 enters the arc-shaped groove 33-1 and presses the rotating plate 33-6 to rotate and open, so that the branch groove 33-9 and the rotating groove 33-7 are communicated, and finally the positive pressure gas in the gas storage cavity 31-2 is sprayed out through the flow uniformizing groove 33-3, which assists the third spring 33-5 to quickly move downward and stack.

[0068] After the stacking of the plurality of third springs 33-5 is completed, the upper sealing plate 32 is sleeved in the positioning column 31 and is sealed with the inner wall of the positioning sleeve 21.

[0069] The hydraulic cylinder 12 is controlled to extend and work, so that the support 13, the support rod 13-1 and the pressure equalizing ring 14 move downward together, wherein the support rod 13-1 first contacts the first toothed plate 23-2, presses the first toothed plate 23-2 to move downward, the first spring 23-4 is compressed, the gear 23-3 rotates, and the second toothed plate 23-5 gradually moves upward to drive the auxiliary frame 23-6 and the sealing head 23-7 to move, and the air storage space in the bottom of the sealing cylinder 22 is increased.

[0070] The air in the bottom of the positioning sleeve 21 enters the sealing cylinder 22 through the transmission pipe 24-1 and the air permeable hole 24-21, so as to achieve the purpose of negative pressure air extraction, which is used to eliminate the air between the stacked stator and rotor laminations 35 and ensure the quality of subsequent compression and molding.

[0071] Due to the small size of the air vent 24-21, as the gas is introduced, the cover 24-2 will be displaced by a distance, so that the cover 24-2 and the transmission pipe 24-1 distance increases to meet the gas into the demand, the second spring 24-31 is compressed, the abutment block 24-4 with the cover 24-2 together with the displacement, in the chute 24-41 and the through slot 24-51 cooperation, so that the displacement plate 24-5 gradually up.

[0072] With the displacement of the plate 24-5 up, drive displacement frame 25-1 action, in the connecting plate 25-2 cooperation, sealing strip 25-3 in the plurality of stator and rotor lamination 35 contact, to achieve the purpose of alignment.

[0073] In the process of moving up the sealing head 23-7, the top of the sealing cylinder 22 gas is introduced into the hollow ring 27 through the first gas pipe 26-1; and with the continuous rotation of the gear 23-3, in the cooperation of the positioning shaft 26-31, the extrusion wheel 26-3 synchronous rotation, to extrude the extrusion hose 26-5, so that the outside air through the filter head 26-51 filtered, constantly input into the hollow ring 27, and then in the auxiliary of the gas hole 27-1, the gas is constantly filled into the storage chamber 31-2, so that the gas in the storage chamber 31-2 maintains a positive pressure state, to meet the above blowing gas source demand. Embodiment 3

[0074] Reference Figures 2-11 , for the third embodiment of the present application, this embodiment is based on the first two embodiments.

[0075] Specifically, the fixed end of the hydraulic cylinder 12 is bolted with a mounting bracket 15, and the mounting bracket 15 is fixedly connected with the external device bracket, for ensuring the mounting stability of the mounting bracket 15 and the hydraulic cylinder 12.

[0076] As shown in the drawings Figure 7 and Figure 8 , the bottom of the sealing cylinder 22 is fixed with a vertical rod, which penetrates the displacement plate 24-5 and is in sliding contact with the displacement plate 24-5, for improving the action stability of the displacement plate 24-5.

[0077] In actual application, in order to avoid dust impurities in the outside air to block the air pipe, a dust filter screen will be configured at the position where each pipeline is connected with the outside.

[0078] The outer ring of the arc-shaped rod 33-4 is fixed with a limiting block, which is used in cooperation with the arc-shaped groove 33-1 to avoid the convex head 33-2 from being displaced excessively and separated.

[0079] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A clamping device for processing motor parts, characterized in that: include, The clamping assembly (1) includes a support base (11), a hydraulic cylinder (12) is provided on the top of the support base (11), a bracket (13) is fixed to the output end of the hydraulic cylinder (12), and a pressure equalizing ring (14) is fixed to the bottom of the bracket (13); and, An external component (2) is disposed on the top of the support base (11) and includes a positioning sleeve (21) fixed to the top of the support base (11). A sealing cylinder (22) is fixed on the outer ring of the positioning sleeve (21). An air extraction component (23) is disposed on the top of the sealing cylinder (22). A driving component (24) is disposed inside the sealing cylinder (22). A pushing component (25) is disposed on the outer ring of the positioning sleeve (21). An air supply component (26) is disposed on one side of the air extraction component (23). A hollow ring (27) is disposed at the bottom of the inner cavity of the positioning sleeve (21). The positioning component (3) is located on the top of the support (11) and includes a positioning column (31) fixed at the center of the top of the support (11). The top of the outer ring of the positioning column (31) is slidably connected to an upper sealing plate (32), and the bottom of the outer ring of the positioning column (31) is fixed to a lower sealing plate (34). A stator and rotor lamination (35) is placed between the upper sealing plate (32) and the lower sealing plate (34). An auxiliary flow component (33) is provided on the outer ring of the positioning column (31).

2. The clamping device for processing motor parts as described in claim 1, characterized in that: The bottom of the bracket (13) is fixed with a support rod (13-1), the fixed end of the hydraulic cylinder (12) is bolted to a mounting bracket (15), and a transmission valve (22-1) is fixed on one side of the sealing cylinder (22).

3. The clamping device for processing motor parts as described in claim 2, characterized in that: The air extraction component (23) includes an auxiliary shell (23-1) fixed to the outer ring of the positioning sleeve (21). A first toothed plate (23-2) is slidably connected to the top of the auxiliary shell (23-1). A gear (23-3) is provided at the center of the auxiliary shell (23-1). A second toothed plate (23-5) is slidably connected to the bottom of the auxiliary shell (23-1). An auxiliary frame (23-6) is fixed to the bottom of the second toothed plate (23-5). A sealing head (23-7) is fixed to the bottom of the auxiliary frame (23-6).

4. The clamping device for processing motor parts as described in claim 3, characterized in that: The bottom of the first toothed plate (23-2) is fixed with a first spring (23-4), the bottom end of the first spring (23-4) is fixed inside the auxiliary shell (23-1), the auxiliary frame (23-6) is slidably connected to the sealing cylinder (22), and the sealing head (23-7) is slidably connected inside the sealing cylinder (22).

5. The clamping device for processing motor parts as described in claim 4, characterized in that: The driving component (24) includes a transmission pipe (24-1) fixed on the positioning sleeve (21). The transmission pipe (24-1) is covered with a cover (24-2). A pressing block (24-4) is fixed on one side of the cover (24-2). A displacement plate (24-5) is slidably connected to the bottom of the sealing cylinder (22). A support bar (24-3) is fixed on the other side of the cover (24-2). A second spring (24-31) is fixed on the support bar (24-3). The other end of the second spring (24-31) is fixed to the transmission pipe (24-1). A vent hole (24-21) is opened on the outer ring of the cover (24-2). A sloping groove (24-41) is opened on the top of the pressing block (24-4). A through groove (24-51) is opened on the displacement plate (24-5) and is slidably connected to the sloping groove (24-41).

6. The clamping device for processing motor parts as described in claim 5, characterized in that: The pushing component (25) includes a displacement frame (25-1) slidably connected to the outer ring of the positioning sleeve (21). A connecting plate (25-2) is rotatably connected to the top of the displacement frame (25-1). A sealing strip (25-3) is rotatably connected to the top of the connecting plate (25-2). A sealing groove (25-4) is provided on the positioning sleeve (21) and is slidably connected to the sealing strip (25-3).

7. The clamping device for processing motor parts as described in claim 6, characterized in that: The gas supply component (26) includes a first gas supply pipe (26-1) fixed to one side of the sealing cylinder (22), and a second gas supply pipe (26-2) provided on the other side of the sealing cylinder (22). A return gas straight pipe (26-21) is fixed on the second gas supply pipe (26-2). One end of the first gas supply pipe (26-1) and the second gas supply pipe (26-2) are both fixed to the outer ring of the hollow ring (27). The inner ring of the hollow ring (27) is provided with a gas supply hole (27-1). The auxiliary shell (23-1) A squeezing wheel (26-3) is provided on one side of the auxiliary shell (23-1). A positioning shaft (26-31) is fixed to the inner ring of the squeezing wheel (26-3) and fixed to the inner ring of the gear (23-3). A protective shell (26-4) is fixed to one side of the auxiliary shell (23-1). A squeezing hose (26-5) is provided inside the protective shell (26-4). A filter head (26-51) is fixed to one end of the squeezing hose (26-5), and the other end of the squeezing hose (26-5) is connected to the second air supply pipe (26-2).

8. The clamping device for processing motor parts as described in claim 7, characterized in that: The positioning post (31) has a positioning rod (31-1) fixed on its outer ring, and a gas storage cavity (31-2) is opened inside the positioning post (31). The stator and rotor laminations (35) have a winding slot (35-1) on their inner ring.

9. The clamping device for processing motor parts as described in claim 8, characterized in that: The auxiliary flow component (33) includes an arc-shaped groove (33-1) on the outer ring of the positioning post (31), a protrusion (33-2) on the outer ring of the positioning post (31), an arc-shaped rod (33-4) fixed in the arc-shaped groove (33-1) and slidably connected to the protrusion (33-2), a third spring (33-5) sleeved on the arc-shaped rod (33-4), and a rotating plate (33-6) rotatably connected in the positioning post (31).

10. The clamping device for processing motor parts as described in claim 9, characterized in that: One end of the third spring (33-5) is fixed in the arc-shaped groove (33-1), and the other end of the third spring (33-5) is fixed on the protrusion (33-2). A rotating groove (33-7) is opened at the top of the inner cavity of the arc-shaped groove (33-1) and is slidably connected with the rotating plate (33-6). A convex groove (33-8) is opened at the top of the inner cavity of the rotating groove (33-7), and a flow equalization groove (33-3) is opened at the bottom of the inner cavity of the convex groove (33-8). A support groove (33-9) is opened on one side of the inner cavity of the rotating groove (33-7).

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