Press-fitting equipment and press-fitting method suitable for putting various stators into box

Abstract

The invention relates to press-fitting equipment and a press-fitting method suitable for various stators to enter a box, and the press-fitting equipment comprises a stator fixing device which comprises a fixing base, and a stator assembly is fixed on the fixing base; the machine shell press-fitting device comprises a lower pressing head and a machine shell sleeve, the machine shell sleeve is vertically arranged over the fixed base in a sliding mode and comprises two folding units which are arranged in an oppositely-combined mode, the two folding units are close to each other so that the machine shell can be sleeved with the machine shell sleeve, the machine shell sleeve can abut against the top of the flange part, the two folding units can be far away from each other, and the machine shell can be pressed on the machine shell through the lower pressing head. The lower pressing head is vertically arranged over the machine shell sleeve and between the two embracing units in a sliding mode so that the machine shell sleeve or the machine shell can be pressed downwards. The press-fitting equipment provided by the invention can be suitable for press-fitting of a common motor and an explosion-proof motor, reduces time consumption and labor intensity when the types of the press-fitted motors are switched, and is convenient and rapid.

Description

Technical Field

[0001] The present application relates to the technical field of motor assembly, and particularly to a pressing device and a pressing method suitable for multiple stator casing insertions. Background Art

[0002] A motor may include a housing and a stator assembly, and the stator assembly may be disposed within the housing. The process of assembling the stator assembly into the housing may be referred to as "stator casing insertion". In the prior art, stator casing insertion may be completed by an automated pressing device to improve the assembly efficiency during stator casing insertion. The pressing device may adopt an assembly method of fixing the stator and pressing the housing to complete the process of stator casing insertion. According to different usage requirements, motors can be divided into ordinary motors and explosion-proof motors. For ordinary motors, the structural strength of their housings is usually relatively low, and auxiliary tooling is often required to complete the pressing to avoid deformation of the housing during pressing. For explosion-proof motors, the structural strength of their housings is usually relatively high, so auxiliary tooling is not required to complete the pressing of the housing. However, the pressing devices in the prior art are usually difficult to be simultaneously applicable to pressing two types of motors; or although they can be applicable to the pressing of two types of motors, the pressing process is time-consuming and laborious, and there are inconveniences. Summary of the Invention

[0003] Based on this, the present application provides a pressing device and a pressing method suitable for multiple stator casing insertions to improve the problem that the pressing devices in the prior art are difficult to be simultaneously applicable to pressing ordinary motors and explosion-proof motors or the pressing process is inconvenient.

[0004] In a first aspect, the present application provides a pressing device suitable for multiple stator casing insertions. The pressing device assembles a stator assembly into a housing, and the housing and the stator assembly are applicable to a motor, and the motor includes an ordinary motor and an explosion-proof motor. When the motor is an ordinary motor, a flange portion is provided on the housing. The pressing device includes:

[0005] A stator fixing device, which includes a fixed base, and the stator assembly is fixed on the fixed base;

[0006] A housing pressing device, which includes a lower pressing head and a housing sleeve. The housing sleeve is vertically slidably disposed directly above the fixed base and includes two mating clamping units. The two clamping units approach each other so that the housing sleeve is sleeved on the housing and the top of the housing sleeve abuts against the flange portion. The two clamping units move away from each other to make way for the lower pressing head. The lower pressing head is vertically slidably disposed directly above the housing sleeve and between the two clamping units to press down on the housing sleeve or the housing.

[0007] In one embodiment, the press-fitting device further includes a guide rod which is vertically arranged, and two clamping units are slidably arranged on the guide rod and rotatably connected to the guide rod.

[0008] In one embodiment, a first sleeve is arranged on one of the two clamping units, and a second sleeve is arranged on the other. Both the first sleeve and the second sleeve are sleeved on the guide rod and are slidably arranged. At least one of the first sleeves is arranged between the two second sleeves, or at least one of the second sleeves is arranged between the two first sleeves.

[0009] In one embodiment, an elastic resetting member is arranged on the guide rod, and the clamping unit abuts against the top of the elastic resetting member. When the lower pressing head presses down the casing sleeve, the elastic resetting member is further compressed.

[0010] In one embodiment, the casing sleeve further includes a locking device which is connected to the two clamping units and locks and fixes the two clamping units.

[0011] In one embodiment, the casing press-fitting device further includes a linear driving member which is connected to the lower pressing head and drives the lower pressing head to move.

[0012] In one embodiment, the casing press-fitting device further includes a press-fitting guide sleeve and a press-fitting slide rod. The press-fitting guide sleeve is fixedly arranged, the press-fitting slide rod is slidably connected to the press-fitting guide sleeve, and the press-fitting slide rod is connected to the lower pressing head; and / or

[0013] The casing press-fitting device further includes a press-fitting detection member which detects the displacement or position of the lower pressing head during vertical movement.

[0014] In one embodiment, the stator fixing device further includes a base push plate which is horizontally slidably arranged, and the fixing base is arranged on the base push plate.

[0015] In one embodiment, the stator fixing device further includes a push plate guide bar, and the base push plate is slidably arranged on the push plate guide bar.

[0016] Second, the present application provides a press-fitting method applicable to multiple stators being put into a box, and the press-fitting method includes:

[0017] Dividing the casing into the casing of a general motor and the casing of an explosion-proof motor according to the differences of the applicable motors, wherein a flange portion is arranged on the casing of the general motor;

[0018] Press down the housing of a general motor with a first press-fitting process so that the stator assembly enters the housing of the general motor; press down the housing of an explosion-proof motor with a second press-fitting process so that the stator assembly enters the housing of the explosion-proof motor.

[0019] In this application, by providing a housing sleeve and setting the housing sleeve as two clamping units that can approach and move away from each other, and reasonably setting the positional relationship between the two clamping units and the pressing head, the pressing head can not only press down the housing of the general motor through the housing sleeve, but also directly press down the housing of the explosion-proof motor; at the same time, when switching between the general motor and the explosion-proof motor, only need to move the two clamping units closer or farther away. Therefore, the press-fitting equipment provided in this application can be applicable to the press-fitting of both general motors and explosion-proof motors, while reducing the time-consuming and labor intensity when switching the type of motor to be press-fitted, which is convenient and fast. Brief Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of a press-fitting device applicable to multiple stator into-box provided in Embodiment 1 of this application;

[0021] Figure 2 It is a vertical sectional view of a press-fitting device applicable to multiple stator into-box provided in Embodiment 1 of this application;

[0022] Figure 3 It is an exploded view of the cooperation between the housing sleeve and the housing, and the fixed base and the stator assembly of a press-fitting device applicable to multiple stator into-box provided in Embodiment 1 of this application;

[0023] Figure 4 It is a partial schematic structural diagram of a housing press-fitting device applicable to multiple stator into-box provided in Embodiment 1 of this application.

[0024] Reference Numerals: 100, stator fixing device; 110, fixed base; 111, fixed groove; 120, base push plate; 130, handle; 140, push plate guide bar; 200, housing press-fitting device; 210, pressing head; 220, housing sleeve; 230, clamping unit; 231, first sleeve; 232, second sleeve; 240, locking device; 250, linear driving member; 260, pressing plate; 270, pressing guide sleeve; 280, pressing slide bar; 290, pressing detection member; 300, frame; 310, workbench; 400, guide rod; 410, guide rod base; 500, stator assembly; 600, housing; 610, flange portion. Detailed Description of the Embodiment

[0025] In order to make the objectives, technical solutions and advantages of the present application more clear and understandable, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0026] It should be noted that the illustrations provided in this embodiment only schematically illustrate the basic concept of the present invention.

[0027] The structures, ratios, sizes, etc. depicted in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the conditions under which the present invention can be implemented. Any modification of the structure, change in the proportional relationship or adjustment of the size, without affecting the effects that the present invention can produce and the objectives that can be achieved, should still fall within the scope covered by the technical content disclosed by the present invention.

[0028] The orientation or positional relationship indicated in this specification, such as "upper", "lower", "left", "right", "middle", "longitudinal", "lateral", "horizontal", "inner", "outer", "radial", "circumferential", etc., is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of simplified description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0029] Embodiment 1

[0030] Embodiment 1 of the present application provides a press-fitting device applicable to various stator enclosures. As Figures 1 to 4 shown, the press-fitting device assembles the stator assembly 500 into the housing 600. The housing 600 and the stator assembly 500 are applicable to motors, including ordinary motors and explosion-proof motors. When the motor is an ordinary motor, a flange portion 610 is provided on the housing 600. The press-fitting device includes:

[0031] A stator fixing device 100, which includes a fixed base 110, and the stator assembly 500 is fixed on the fixed base 110;

[0032] The housing pressing device 200 includes a lower pressing head 210 and a housing sleeve 220. The housing sleeve 220 is vertically slidably arranged directly above the fixed base 110 and includes two mating holding units 230. The two holding units 230 approach each other so that the housing sleeve 220 is sleeved on the housing 600 and the housing sleeve 220 abuts against the top of the flange portion 610. The two holding units 230 move away from each other to yield to the lower pressing head 210. The lower pressing head 210 is vertically slidably arranged directly above the housing sleeve 220 and between the two holding units 230 to press down on the housing sleeve 220 or the housing 600.

[0033] As Figure 1 and Figure 2 shown, in this embodiment, by way of example, the stator into-box pressing equipment may further include a frame 300 which can be placed vertically on the ground. A workbench 310 may be provided in the middle of the frame 300, and the fixed base 110 may be arranged on the workbench 310. The fixed base 110 may be arranged in a rotary body shape, and the stator assembly 500 may be placed on the top of the fixed base 110. A fixing groove 111 for the bottom of the stator assembly 500 to extend into may be provided on the top of the fixed base 110. The housing pressing device 200 may be arranged on the top of the frame 300 so that the lower pressing head 210 is vertically slidably arranged directly above the fixed base 110. The lower pressing head 210 is used to press down on the housing 600 so that the stator assembly 500 can be assembled into the housing 600. Before pressing the housing 600, the housing 600 may be pre-fixed on the stator assembly 500. It should be noted that the housings 600 of ordinary motors and explosion-proof motors may have similar or even the same structures, and the differences may be the different wall thicknesses or the different structural strengths caused by the materials, etc.

[0034] As Figure 2 and Figure 3 shown, when the motor is an ordinary motor, the structural strength of the housing 600 is low, and the lower pressing head 210 can press it down through the housing sleeve 220. At this time, the two holding units 230 can approach each other to form the housing sleeve 220 by mating. The housing sleeve 220 can be sleeved on the housing 600, and the housing sleeve 220 can abut against the top of the flange portion 610 on the housing 600 of the ordinary motor. When the lower pressing head 210 abuts against the housing sleeve 220 and continues to move vertically downward, the lower pressing head 210 can press down on the housing 600 through the housing sleeve 220. It is not difficult to understand that during the pressing process, only the flange portion 610 of the housing 600 of the ordinary motor is subjected to the downward pressure, and the forces at all positions in the circumferential direction of the flange portion 610 are uniform. Therefore, the housing 600 of the ordinary motor is not easily deformed due to the force, and thus the assembly of the stator assembly 500 or other components in the housing 600 of the ordinary motor can be avoided from being affected.

[0035] When the motor is an explosion-proof motor, the structural strength of the motor housing 600 is relatively high, and the lower pressing head 210 can directly press down on the motor housing 600. At this time, the two clamping units 230 can move away from each other to avoid interference with the movement of the lower pressing head 210 by the two clamping units 230, that is, make way for the vertical downward movement of the lower pressing head 210, so that the lower pressing head 210 can extend between the two clamping units 230 and directly abut against the motor housing 600 of the explosion-proof motor. When the lower pressing head 210 continues to move vertically downward, the lower pressing head 210 can press down on the motor housing 600. It can be understood that during the press-fitting process, only the motor housing 600 of the explosion-proof motor needs to be pre-fixed on the stator assembly 500 without the aid of other auxiliary devices. Therefore, the stator of the explosion-proof motor has a higher assembly efficiency when entering the box. At the same time, it should be noted that a handle can be provided at the top of the motor housing 600, and the handle can be provided on the axial section of the motor housing 600. When the lower pressing head 210 directly presses down on the motor housing 600, an opening groove can be provided at the bottom of the lower pressing head 210 for the handle to extend into, so that the lower pressing head 210 can directly press down on the top of the motor housing 600.

[0036] In summary, in this application, by providing the housing sleeve 220 and setting the housing sleeve 220 as two clamping units 230 that can approach and move away from each other, and reasonably setting the positional relationship between the two clamping units 230 and the lower pressing head 210, the lower pressing head 210 can not only press down on the motor housing 600 of the ordinary motor through the housing sleeve 220, but also directly press down on the motor housing 600 of the explosion-proof motor; at the same time, when switching between the ordinary motor and the explosion-proof motor, only the two clamping units 230 need to be moved closer or farther away. Therefore, the press-fitting equipment provided in this application can be applicable to the press-fitting of both ordinary motors and explosion-proof motors, while reducing the time and labor intensity required for switching the type of motor to be press-fitted, which is convenient and fast.

[0037] Specifically, the press-fitting equipment further includes a guide rod 400. The guide rod 400 is vertically arranged, and the two clamping units 230 are slidably arranged on the guide rod 400, and the two clamping units 230 are rotatably connected to the guide rod 400.

[0038] As Figure 2 and Figure 3As shown, in this embodiment, by way of example, a guide rod base 410 may be provided at the bottom of the guide rod 400. The guide rod base 410 may be detachably connected to the workbench 310, for example, connected by components such as bolts. The guide rod 400 is vertically arranged. The clamping unit 230 may be slidably arranged on the guide rod 400 and rotatably connected to the guide rod 400. When the motor is a general motor, the two clamping units 230 may rotate in a direction approaching each other to close and sleeved on the housing 600 of the general motor. When the motor is an explosion-proof motor, the two clamping units 230 may move in a direction away from each other to open and make way for the vertical downward movement of the lower pressure head 210.

[0039] Of course, in some embodiments, the two clamping units 230 may also be horizontally slidably arranged. At this time, the two clamping units 230 may be driven by components such as a double-headed electric cylinder. The double-headed electric cylinder drives the two clamping units 230 to move horizontally in a direction approaching each other to be sleeved on the housing 600 of the general motor; or the double-headed electric cylinder drives the two clamping units 230 to move horizontally in a direction away from each other to make way for the lower pressure head 210.

[0040] It can be understood that in this embodiment, by providing the guide rod 400 and rotatably connecting the two clamping units 230 to the guide rod 400, not only can the guide rod 400 guide the vertical movement of the housing sleeve 220, so that when pressing the general motor, the housing sleeve 220 can stably drive the housing 600; at the same time, it can more conveniently drive the two clamping units 230 to approach or move away from each other, and the housing sleeve 220 has a relatively simple structure, thereby improving the speed when switching the types of motors to be pressed.

[0041] More specifically, a first sleeve 231 is provided on one of the two clamping units 230, and a second sleeve 232 is provided on the other. Both the first sleeve 231 and the second sleeve 232 are sleeved on the guide rod 400 and are slidably arranged. At least one first sleeve 231 is arranged between the two second sleeves 232, or at least one second sleeve 232 is arranged between the two first sleeves 231.

[0042] Such as Figure 2 and Figure 3As shown, in this embodiment, by way of example, the two clamping units 230 can be a left clamping unit 230 and a right clamping unit 230 respectively. The first sleeve 231 can be arranged on the left clamping unit 230, and the second sleeve 232 can be arranged on the right clamping unit 230. Of course, the first sleeve 231 and the second sleeve 232 can be arranged in the opposite way. The first sleeve 231 and the second sleeve 232 can both be connected to the clamping unit 230 through a connecting section. And two first sleeves 231 can be arranged at vertical intervals, and two second sleeves 232 can also be arranged at vertical intervals. The two first sleeves 231 and the two second sleeves 232 can be arranged alternately in the vertical direction.

[0043] Of course, in some embodiments, only one first sleeve 231 can be provided and arranged between the two second sleeves 232; or only one second sleeve 232 can be provided and arranged between the two first sleeves 231.

[0044] And in some other embodiments, the numbers of the first sleeve 231 and the second sleeve 232 can also be other numbers. But the same is that the two ends of the sleeve of one clamping unit 230 can be limited by the sleeves of the other clamping unit 230.

[0045] It can be understood that by reasonably setting the limiting relationship between the first sleeve 231 and the second sleeve 232 of the two clamping units 230 on the guide rod 400 in this embodiment, the two clamping units 230 can be prevented from axially separating during the movement, and further the two clamping units 230 can press the casing 600 of the ordinary motor more smoothly.

[0046] More specifically, an elastic resetting member is arranged on the guide rod 400. The clamping unit 230 abuts against the top of the elastic resetting member. When the pressing head 210 presses the casing sleeve 220, the elastic resetting member is further compressed.

[0047] Such as Figure 2 and Figure 3As shown, in this embodiment, by way of example, the elastic reset member (not shown in the figure) can be a spring. The elastic reset member can be sleeved on the guide rod 400 and can be arranged between the guide rod base 410 and the lowermost sleeve on the guide rod 400. The lowermost sleeve on the guide rod 400 in this embodiment is the second sleeve 232 connected to the right clamping unit 230, that is, the right clamping unit 230 is spaced apart from the elastic reset member by abutting against the second sleeve 232. Of course, in some embodiments, it can also be the first sleeve 231 that abuts against the elastic reset member. When the pressing head 210 does not abut against the housing sleeve 220, the elastic reset member is compressed by the self-weight of the housing sleeve 220, and the elastic reset member supports the housing sleeve 220 to prevent the housing sleeve 220 from falling. The elastic reset member can hold the uncompressed housing sleeve 220 at a relatively high position to facilitate the operation of the housing sleeve 220. For example, when the motor is a general motor, it is convenient to open and close the two clamping units 230 of the housing sleeve 220 to facilitate sleeving the housing sleeve 220 on the housing 600 of the general motor. Another example is that when the motor is an explosion-proof motor, it is convenient to open the two clamping units 230 of the housing sleeve 220 to make way for the vertical downward movement of the pressing head 210. When the motor is a general motor, the elastic reset member can also buffer the movement of the housing sleeve 220 during the process of the pressing head 210 pressing down on the housing sleeve 220, and at this time, the elastic reset member is further compressed.

[0048] It can be understood that by providing the elastic reset member in this embodiment, not only can the elastic reset member hold the housing sleeve 220 at a relatively high position to facilitate the operation of the housing sleeve 220, but also when the motor is a general motor, during press-fitting, the elastic reset member can buffer the housing sleeve 220 to make the movement of the housing sleeve 220 more stable, and further make the press-fitting process of the general motor more stable.

[0049] More specifically, the housing sleeve 220 further includes a locking device 240. The locking device 240 is connected to the two clamping units 230 and locks and fixes the two clamping units 230.

[0050] Such as Figure 1 and Figure 3As shown, in this embodiment, by way of example, the locking device 240 may be disposed on the side of the two clamping units 230 away from their rotational setting. The locking device 240 is used to lock and fix the two clamping units 230 when they are clamped together, so as to prevent the two clamping units 230 from opening during the process of press-fitting the housing 600 of a general motor and thus failing to achieve a good press-fitting effect. The locking device 240 may be a quick clamp, such as a latch-type quick clamp, to achieve quick locking or unlocking. A part of the locking device 240 may be disposed on the left clamping unit 230, while another part may be disposed on the right clamping unit 230.

[0051] Of course, in some embodiments, the locking device 240 may also be components such as a bolt, a magnetic attachment, etc., so as to achieve the purpose of quick locking and unlocking as well.

[0052] It can be understood that by providing the locking device 240 on the housing sleeve 220 in this embodiment, the stability and effectiveness of the two clamping units 230 when they are clamped together can be maintained during the process of press-fitting the housing 600 of a general motor through the housing sleeve 220, and thus the press-fitting effect of the housing sleeve 220 on the housing 600 of a general motor can be ensured.

[0053] Specifically, the housing press-fitting device 200 further includes a linear driving member 250. The linear driving member 250 is connected to the lower pressing head 210 and drives the lower pressing head 210 to move.

[0054] In this embodiment, by way of example, the linear driving member 250 may be an electric cylinder, which may be disposed on the top of the frame 300. The output end of the linear driving member 250 may extend downward along the vertical direction and be detachably connected to the top of the pressing plate 260, while the lower pressing head 210 may be detachably connected to the bottom of the pressing plate 260. The aforementioned detachable connection methods may all be connected by components such as bolts. The pressing plate 260 may be set to be rectangular and may be horizontally disposed. When the output end of the linear driving member 250 expands and contracts, the output end of the linear driving member 250 can drive the pressing plate 260 to move vertically, and when the pressing plate 260 moves, it can drive the lower pressing head 210 to move vertically.

[0055] Of course, in some embodiments, the linear driving member 250 may also be a linear module, and the linear driving member 250 includes a driving slider slidably disposed along the vertical direction. The lower pressing head 210 may be connected to the driving slider.

[0056] It can be understood that by driving the lower pressing head 210 to move through the linear driving member 250 in this embodiment, the vertical movement of the lower pressing head 210 can be made more stable, and thus the press-fitting process can be made more stable.

[0057] More specifically, the housing press-fitting device 200 further includes a press-fitting guide sleeve 270 and a press-fitting slide rod 280. The press-fitting guide sleeve 270 is fixedly arranged, the press-fitting slide rod 280 is slidably connected to the press-fitting guide sleeve 270, and the press-fitting slide rod 280 is connected to the lower pressing head 210.

[0058] As Figure 2 and Figure 4 shown, in this embodiment, by way of example, four groups of press-fitting guide sleeves 270 and press-fitting slide rods 280 may be provided. The four groups of press-fitting guide sleeves 270 and press-fitting slide rods 280 may be respectively arranged at the four corners of the press-fitting plate 260. The press-fitting guide sleeve 270 may be fixed to the top of the frame 300. The press-fitting slide rod 280 may pass through the press-fitting guide sleeve 270 and be slidably arranged. The bottom of the press-fitting slide rod 280 may be detachably connected to the press-fitting plate 260, for example, by means of bolts or other components. When the lower pressing head 210 is driven to move through the press-fitting plate 260, the press-fitting plate 260 may drive the press-fitting slide rod 280 to move synchronously, and cause the press-fitting slide rod 280 to slide on the press-fitting guide sleeve 270.

[0059] Of course, in some embodiments, the number of groups of the press-fitting guide sleeves 270 and the press-fitting slide rods 280 may also be other numbers. For example, two groups of press-fitting guide sleeves 270 and press-fitting slide rods 280 are provided and arranged on the diagonal line of the press-fitting plate 260.

[0060] It can be understood that in this embodiment, by providing the press-fitting guide sleeve 270 and the press-fitting slide rod 280, during the movement of the lower pressing head 210, the press-fitting guide sleeve 270 and the press-fitting slide rod 280 can guide the movement of the lower pressing head 210, so that the lower pressing head 210 moves more smoothly, and further enable the lower pressing head 210 to press the housing sleeve 220 or directly press the housing 600 smoothly.

[0061] More specifically, the housing press-fitting device 200 further includes a press-fitting detection member 290, which detects the displacement or position of the lower pressing head 210 during vertical movement.

[0062] As Figure 4 shown, in this embodiment, by way of example, the press-fitting detection member 290 may be a displacement sensor, which may include a detection base and a detection end. The detection base of the press-fitting detection member 290 may be arranged on the frame 300, and the detection end may be connected to the press-fitting plate 260. When the press-fitting plate 260 drives the lower pressing head 210 to move synchronously, the press-fitting plate 260 may also drive the detection end to move synchronously, so that the press-fitting detection member 290 detects the displacement of the lower pressing head 210 during movement.

[0063] Of course, in some embodiments, the press-fitting detection member 290 can also be a ranging sensor, which can include a signal transmitting module and a signal receiving module, and the signal transmitting module and the signal receiving module can be disposed opposite to each other. One of the signal transmitting module and the signal receiving module can be disposed on the press-fitting plate 260, and the other can be disposed on the frame 300. When the signal transmitting module transmits a detection signal, the signal receiving module can receive the detection signal and further process it to obtain the distance between the signal transmitting module and the signal receiving module, thereby indirectly detecting the position of the lower pressing head 210.

[0064] It can be understood that in this embodiment, by providing the press-fitting detection member 290, the displacement or position of the lower pressing head 210 during movement can be detected to ensure the accuracy of the position when the stator assembly 500 is put into the box, thereby avoiding the situation of incomplete press-fitting or over-press-fitting.

[0065] Specifically, the stator fixing device 100 further includes a base push plate 120, and the base push plate 120 is horizontally slidably disposed, and the fixed base 110 is disposed on the base push plate 120.

[0066] As Figure 1 and Figure 2 shown, in this embodiment, by way of example, the base push plate 120 can be set to be rectangular, and the direction of its horizontal movement can be the direction in which the axis of the housing sleeve 220 moves toward the axis of the guide rod 400. The base push plate 120 can be slidably disposed on the workbench 310 and can be slid into or out of the frame 300 from one side of the frame 300. The fixed base 110 can be detachably disposed on the base push plate 120, for example, connected by bolts or other components. When the base push plate 120 moves, it can drive the fixed base 110 to move synchronously. When it is necessary to fix the stator assembly 500 on the fixed base 110 or remove the stator assembly 500 from the fixed base 110, the fixed base 110 can be pulled out of the frame 300 through the base push plate 120, so as to facilitate the operation of the stator assembly 500. A handle 130 can also be provided on the base push plate 120 to facilitate driving the base push plate 120 to move.

[0067] It can be understood that in this embodiment, by providing the base push plate 120, it is convenient to fix the stator assembly 500 on the fixed base 110 or remove the stator assembly 500 from the fixed base 110, which is more convenient.

[0068] More specifically, the stator fixing device 100 further includes a push plate guide bar 140, and the base push plate 120 is slidably disposed on the push plate guide bar 140.

[0069] As Figure 1 andFigure 3 As shown, in this embodiment, by way of example, the push plate guide bar 140 can be detachably arranged on the workbench 310, and two of them can be provided. The extending direction of the push plate guide bar 140 can be the same as the moving direction of the base push plate 120, and the base push plate 120 can be horizontally slidably arranged between the two push plate guide bars 140. The shape of the vertical cross-section of the push plate guide bar 140 can be an inverted "L" shape, and the horizontal sections of the "L" shapes of the two push plate guide bars 140 can be close to each other and can be arranged on the top of the base push plate 120.

[0070] It can be understood that in this embodiment, by arranging the push plate guide bar 140, the push plate guide bar 140 can guide the horizontal movement of the base push plate 120, so that the movement of the base push plate 120 is more stable.

[0071] The implementation principle of the press-fitting device applicable to multiple stator box-in of the embodiments of the present application is as follows:

[0072] When the stator is boxed, first, the handle 130 is used to drive the base push plate 120 to horizontally slide out of the frame 300. When the base push plate 120 moves, it drives the fixed base 110 to move synchronously. Then, the stator assembly 500 is fixed on the fixed base 110, and at the same time, the machine shell 600 is pre-fixed on the stator assembly 500. Subsequently, the base push plate 120 is reset. Before the base push plate 120 is reset, the two clamping units 230 rotate in the direction away from each other to facilitate the movement of the fixed base 110 in place. When the motor is a common motor, after the fixed base 110 moves in place, the two clamping units 230 rotate in the direction close to each other to sleeved on the machine shell 600. When the motor is an explosion-proof motor, after the fixed base 110 moves in place, the two clamping units 230 remain in a state of being away from each other to make way for the vertical downward movement of the lower pressing head 210. Subsequently, the output end of the linear driving member 250 is driven to move vertically downward. The output end of the linear driving member 250 drives the pressing plate 260 and the lower pressing head 210 on the pressing plate 260 to move synchronously. At the same time, the pressing plate 260 drives the pressing slide rod 280 to slide on the pressing guide sleeve 270, so that the pressing slide rod 280 and the pressing guide sleeve 270 cooperate to guide the movement of the lower pressing head 210. When the lower pressing head 210 abuts against the machine shell sleeve 220 or directly against the machine shell 600, the lower pressing head 210 presses the machine shell sleeve 220 or directly presses the machine shell 600. When the lower pressing head 210 causes the machine shell sleeve 220 to be pressed, the machine shell sleeve 220 further compresses the elastic reset member. The elastic reset member can buffer the movement of the machine shell sleeve 220, and at the same time, the machine shell sleeve 220 can abut against the top of the flange portion 610 to prevent the machine shell 600 of the common motor from being directly stressed. When the machine shell 600 of the common motor or the explosion-proof motor is pressed, the stator assembly 500 enters the machine shell 600 to complete the box-in process.

[0073] In this application, by providing the casing sleeve 220 and setting the casing sleeve 220 as two clamping units 230 that can approach and move away from each other, and reasonably setting the positional relationship between the two clamping units 230 and the pressing head 210, the pressing head 210 can not only press down the casing 600 of a general motor through the casing sleeve 220, but also directly press down the casing 600 of an explosion-proof motor. At the same time, when switching between a general motor and an explosion-proof motor, it is only necessary to move the two clamping units 230 closer or farther away. Therefore, the pressing device provided by this application can be applicable to the pressing of both general motors and explosion-proof motors, while reducing the time consumption and labor intensity when switching the type of motor to be pressed, which is convenient and fast.

[0074] Embodiment 2

[0075] Embodiment 2 of this application provides a pressing method applicable to multiple stator insertions into the box. The pressing method includes the following steps:

[0076] S1. Divide the casing into the casing of a general motor and the casing of an explosion-proof motor according to the different applicable motors, wherein a flange portion is provided on the casing of the general motor.

[0077] S2. Press down the casing of the general motor with a first pressing process so that the stator assembly enters the casing of the general motor; press down the casing of the explosion-proof motor with a second pressing process so that the stator assembly enters the casing of the explosion-proof motor.

[0078] In step S1, by way of example, it can be determined which motor the casing 600 is applicable to according to the thickness, structural strength, etc. of the casing 600. In other words, the casing 600 of a general motor and the casing 600 of an explosion-proof motor can have a similar or even the same structure, and the difference between them can be the difference in wall thickness, or the difference in structural strength caused by the material, etc.

[0079] In step S2, by way of example, the first pressing process can be to press down the casing 600 of the general motor through any pressing device provided by this application. When pressing down, the casing sleeve 220 is sleeved on the casing 600 of the general motor, and the casing sleeve 220 abuts against the top of the flange portion 610. The pressing head 210 presses down the casing sleeve 220 to indirectly press down the casing 600 of the general motor. The second pressing process can also be to press down the casing 600 of the explosion-proof motor through any pressing device provided by this application. When pressing down, the pressing head 210 directly presses down the casing 600 of the explosion-proof motor.

[0080] In this application, by providing a housing sleeve 220 which is set as two clamping units 230 that can approach and move away from each other, and reasonably setting the positional relationship between the two clamping units 230 and the pressing head 210, the pressing head 210 can not only press the housing 600 of a general motor through the housing sleeve 220, but also directly press the housing 600 of an explosion-proof motor. At the same time, when switching between a general motor and an explosion-proof motor, only the two clamping units 230 need to be moved closer or farther away. Therefore, the pressing device provided in this application can be applicable to the pressing of both general motors and explosion-proof motors, while reducing the time and labor intensity required for switching the type of motor to be pressed, which is convenient and fast.

[0081] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0082] The above-described embodiments only represent several implementation manners of this application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of this application, several deformations and improvements can still be made, and these all belong to the protection scope of this application. Therefore, the protection scope of the patent of this application should be subject to the appended claims.

Claims

1. A press-fitting device applicable to multiple stator box insertions, characterized in that, The press-fitting device assembles the stator assembly (500) into the housing (600). The housing (600) and the stator assembly (500) are applicable to motors, including general motors and explosion-proof motors. When the motor is a general motor, a flange portion (610) is provided on the housing (600). The press-fitting device includes: A stator fixing device (100), which includes a fixing base (110), and the stator assembly (500) is fixed on the fixing base (110); A housing press-fitting device (200), which includes a lower pressing head (210) and a housing sleeve (220). The housing sleeve (220) is vertically slidably arranged directly above the fixing base (110) and includes two mating clamping units (230). The two clamping units (230) approach each other so that the housing sleeve (220) is sleeved on the housing (600) and the top of the housing sleeve (220) abuts against the flange portion (610). The two clamping units (230) move away from each other to make way for the lower pressing head (210). The lower pressing head (210) is vertically slidably arranged directly above the housing sleeve (220) and between the two clamping units (230) to press down on the housing sleeve (220) or the housing (600).

2. The press-fitting device applicable to multiple stator box insertions according to claim 1, characterized in that, The press-fitting device further includes a guide rod (400). The guide rod (400) is vertically arranged, and the two clamping units (230) are slidably arranged on the guide rod (400) and are rotatably connected to the guide rod (400).

3. The press-fitting device applicable to multiple stator box insertions according to claim 2, wherein, A first sleeve (231) is provided on one of the two clamping units (230), and a second sleeve (232) is provided on the other. Both the first sleeve (231) and the second sleeve (232) are sleeved on the guide rod (400) and are slidably arranged. At least one of the first sleeves (231) is arranged between the two second sleeves (232), or at least one of the second sleeves (232) is arranged between the two first sleeves (231).

4. The press-fitting device applicable to multiple stator box insertions according to claim 2, characterized in that An elastic reset member is provided on the guide rod (400), and the clamping unit (230) abuts against the top of the elastic reset member. When the lower pressing head (210) presses down on the housing sleeve (220), the elastic reset member is further compressed.

5. The press-fitting device applicable to multiple stator box insertions according to claim 2, characterized in that, The housing sleeve (220) further includes a locking device (240). The locking device (240) is connected to the two clamping units (230) and locks and fixes the two clamping units (230).

6. The press-fitting device applicable to multiple stator box insertions according to claim 1, characterized in that, The housing press-fitting device (200) further includes a linear driving member (250). The linear driving member (250) is connected to the lower pressing head (210) and drives the lower pressing head (210) to move; and / or The housing press-fitting device (200) further includes a press-fitting guide sleeve (270) and a press-fitting slide rod (280). The press-fitting guide sleeve (270) is fixedly arranged. The press-fitting slide rod (280) is slidably connected to the press-fitting guide sleeve (270), and the press-fitting slide rod (280) is connected to the lower pressing head (210).

7. The press-fitting device applicable to multiple stator box insertions according to claim 1, characterized in that The housing press-fitting device (200) further includes a press-fitting detection member (290). The press-fitting detection member (290) detects the displacement or position of the lower pressing head (210) during vertical movement.

8. The press-fitting device applicable to multiple stator box insertions according to claim 1, characterized in that, The stator fixing device (100) further includes a base push plate (120). The base push plate (120) is horizontally slidably arranged, and the fixing base (110) is arranged on the base push plate (120).

9. The press-fitting device applicable to multiple stator box insertions according to claim 8, characterized in that, The stator fixing device (100) further includes a push plate guide bar (140). The base push plate (120) is slidably arranged on the push plate guide bar (140).

10. A press-fitting method applicable to multiple stator box insertions, characterized in that, The press-fitting method includes: Dividing the housing into the housing of a general motor and the housing of an explosion-proof motor according to the differences of applicable motors. A flange portion is provided on the housing of the general motor. Pressing down the housing of the general motor with a first press-fitting process so that the stator assembly enters the housing of the general motor; pressing down the housing of the explosion-proof motor with a second press-fitting process so that the stator assembly enters the housing of the explosion-proof motor.

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