A stator-rotor assembly press

Abstract

The application discloses a stator-rotor assembling press machine, which comprises a frame, guide rails, a first oil cylinder, a same-diameter top pipe, a rectangular hole, a same-diameter top pressing ring block, a second oil cylinder, a first motor, a transmission rod, a folding block, a rotating shaft, a first gear, a circular-arc concave supporting block, a U-shaped rod, a second gear and a third gear. The application has the advantages that a coaxial clamping structure for a rotor shaft is formed between the same-diameter top pipe and two symmetrical circular-arc concave supporting blocks, the rotor shaft can be quickly and accurately placed and installed, the tooling efficiency is high, the same-diameter top pipe has the same diameter as the rotor shaft, coaxial guiding is prolonged, so that the bearing and the end cover are transferred from the same-diameter top pipe to the rotor shaft; the twice pressing can be coaxially completed, the assembling of the end cover and the bearing and the assembling of the bearing and the rotor are achieved, the assembling of the two sides of the rotor is synchronously performed, the assembling is accurate, and the problem of complicated and time-consuming replacement of the rotor orientation is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of stator and rotor assembly, and particularly relates to a stator and rotor assembly press. BACKGROUND

[0002] Regarding the assembly of the stator and rotor of an EC / DC outer rotor motor / fan, such as a motor / fan with shaft and bearing adopting interference fit or transition fit, which is difficult to directly assemble by hand. However, the existing stator and rotor assembly press is mainly of vertical structure, and in the actual assembly operation process, the following defects are found: 1. The coaxial alignment operation of the tooling between the bearing and the shaft end of the rotor is slow; 2. The rotor is in a vertical clamping state, which leads to complicated adjustment of the bearing assembly position at both ends of the rotor, and it is inconvenient to simultaneously implement bearing assembly at both ends of the rotor; 3. In addition to the assembly of the bearing and the shaft end of the rotor, the bearing also needs to be assembled with the corresponding part on the inner side of the end cover, which leads to work station transfer and secondary tooling, and low efficiency. SUMMARY

[0003] The present application aims to provide a stator and rotor assembly press to solve the above problems.

[0004] The present application achieves the above-mentioned purpose through the following technical scheme. A stator and rotor assembly press comprises a rack, a same-diameter top pipe, a same-diameter top pressing ring block, a folding block, a first gear and a circular arc concave block. Two same-diameter top pipes are symmetrically arranged on the top of the rack, and a coaxial clamping structure for a rotor shaft is formed between the two same-diameter top pipes and two circular arc concave blocks symmetrically distributed therebetween. A rectangular hole is arranged at one end of the annular surface of each same-diameter top pipe, and a same-diameter top pressing ring block is sleeved on the same-diameter top pipe. Each rectangular hole is rotationally connected with the folding block through a rotating shaft, and the circular arc tooth surface of each folding block is meshingly and drivingly connected with the same first gear. One end of the folding block protrudes out of the hole of the rectangular hole through side rotation.

[0005] One end of the folding block protruding out of the rectangular hole forms a local pressing structure for the assembly of the bearing and the end cover by relative movement with the same-diameter top pressing ring block. A second oil cylinder is mounted on the back surface of the same-diameter top pressing ring block. The first gear is assembled on a transmission rod, and a first motor is mounted at one end of the transmission rod. The other end of the transmission rod is rotationally connected with a first bearing seat arranged in the port at one end of the same-diameter top pipe.

[0006] Preferably, the other end of the same diameter pipe is fixedly installed on one side of the sliding seat, and the other side of the sliding seat is connected with the first oil cylinder located at the end of the rack, the arc concave block is connected with the side turning linkage mechanism through the U-shaped rod, the side turning linkage mechanism comprises a second gear, a third gear and a second motor located at the middle part of the U-shaped rod, the third gear is assembled at the shaft end of the second motor, and the third gear is in meshing transmission connection with the second gear, and the corresponding part of the second motor is fixedly installed on the connecting side plate.

[0007] Preferably, the two ends of the U-shaped rod are fixedly connected with the two arc concave blocks respectively, and the middle part of the U-shaped rod is rotatably installed with a second bearing seat.

[0008] Preferably, the side walls at both ends of the rack are provided with guide rails, and the bottom of each group of guide rails is slidably connected with the sliding seat.

[0009] Preferably, the corresponding part of the first motor is fixedly connected with the corresponding part of the sliding seat.

[0010] Preferably, the end face diameter of the same diameter pipe is the same as the diameter of the rotor shaft rod, and the surface of the same diameter pipe is in sliding contact with the inner ring wall of the same diameter pipe pressing ring block.

[0011] Preferably, the rotor shaft rod is located in the middle part of the rotor, and the rotor is arranged in the stator.

[0012] Preferably, the center of the arc concave surface of the arc concave block is located on the central axis of the same diameter pipe, and the arc concave surface of the arc concave block is matched with the corresponding part of the annular surface of the same diameter pipe.

[0013] The beneficial effects of the present application are:

[0014] I. The coaxial clamping structure formed between the same diameter pipe and the two symmetrically distributed arc concave blocks can quickly and accurately place and install the rotor shaft rod, the tool efficiency is high, the same diameter pipe is used in the same way as the rotor shaft rod, the coaxial guide is extended, so as to transfer the assembly of the bearing and the end cover from the same diameter pipe to the rotor shaft rod;

[0015] II. The coaxial clamping structure is adopted, and the coaxiality is combined to complete two times of pressing, so as to achieve the assembly effect of the end cover and the assembled bearing, and the assembly effect of the assembled bearing and the rotor, and the assembly of the rotor on both sides is synchronous, the assembly is accurate, and the problem of complicated and time-consuming replacement of the rotor orientation is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0017] Figure 1 The schematic diagram of the position distribution between the overall structure, the rotor, the assembled bearing and the end cover of the present application;

[0018] Figure 2 The perspective view of the overall structure of the present application;

[0019] Figure 3 The perspective view of the same-diameter jacking pipe connecting structure of the present application;

[0020] Figure 4 The schematic diagram of the same-diameter jacking pipe and the expansion block connecting structure of the present application;

[0021] Figure 5 The sectional view of the structure in Figure 4

[0022] The sectional view of the structure in Figure 6 Figure 4 The enlarged view of the partial structure in

[0023] In the figure: 1, rack; 110, guide rail; 120, first oil cylinder; 2, same-diameter jacking pipe; 210, rectangular hole; 220, same-diameter jacking ring block; 221, second oil cylinder; 230, first motor; 231, transmission rod; 240, sliding seat; 250, first bearing seat; 3, expansion block; 310, rotating shaft; 320, first gear; 4, circular arc concave supporting block; 410, U-shaped rod; 411, second gear; 412, second bearing seat; 5, third gear; 6, connecting side plate; 7, rotor; 710, rotor shaft rod; 8, stator; 9, assembled bearing; 10, end cover. DETAILED DESCRIPTION

[0024] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only some embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0025] The technical solutions of the present application will be further illustrated below in combination with the drawings and through specific embodiments.

[0026] ​In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] Please refer to Figures 1-6 As shown in the drawings, a stator-rotor assembly press comprises a frame 1, a same-diameter top pipe 2, a same-diameter top pressing ring block 220, a retracting block 3, a first gear 320 and a circular arc concave supporting block 4, two same-diameter top pipes 2 are symmetrically arranged above the top of the frame 1, and a coaxial clamping structure for a rotor shaft 710 is formed between the two same-diameter top pipes 2 and two circular arc concave supporting blocks 4 symmetrically distributed, the center of the circular arc concave surface of the circular arc concave supporting block 4 is located on the central axis of the same-diameter top pipe 2, and the circular arc concave surface of the circular arc concave supporting block 4 matches the corresponding part of the annular surface of the same-diameter top pipe 2;

[0028] The coaxial clamping structure formed between the same-diameter top pipe 2 and the two circular arc concave supporting blocks 4 symmetrically distributed can quickly and accurately place and install the rotor shaft 710, and the tooling efficiency is high. The same-diameter top pipe 2 has the same diameter as the rotor shaft 710, and is coaxially guided and extended, so as to transfer the bearing 9 and the end cover 10 from the same-diameter top pipe 2 to the rotor shaft 710.

[0029] A rectangular hole 210 is arranged and opened at one end of the annular surface of each same-diameter top pipe 2, and the same-diameter top pressing ring block 220 is sleeved on the same-diameter top pipe 2. Each rectangular hole 210 is rotationally connected with the retracting block 3 through a rotating shaft 310, and the circular arc tooth surface of each retracting block 3 is meshingly and drivingly connected with the same first gear 320. One end of the retracting block 3 exceeds the orifice of the rectangular hole 210 through side rotation. The first gear 320 is assembled on a transmission rod 231, and a first motor 230 is installed at one end of the transmission rod 231. The other end of the transmission rod 231 is rotationally connected with a first bearing seat 250 located inside the port at one end of the same-diameter top pipe 2. By fixing the first bearing seat 250 inside the port at one end of the same-diameter top pipe 2, the other end of the transmission rod 231 is rotationally connected with the bearing part of the first bearing seat 250, and the transmission rod 231 and the same-diameter top pipe 2 are ensured to be on the same central axis;

[0030] In combination with Figure 4 and Figure 5As shown, the first motor 230 drives the first gear 320 connected by the transmission rod 231 to rotate, and drives the collection and expansion block 3 connected by the arc tooth surface to rotate, so that the collection and expansion block 3 turns, and one end of the collection and expansion block 3 exceeds the rectangular hole 210, which can limit the assembly bearing 9 located on the same diameter top pipe 2. One part of the collection and expansion block 3 is semicircular, and the other part is half elliptical, which will be described in detail below. Figure 6 As shown.

[0031] The end of the collection and expansion block 3 exceeding the rectangular hole 210 and the same diameter top pressing ring block 220 form a partial pressing structure between the assembly bearing 9 and the end cover 10 through relative movement, and the second oil cylinder 221 is installed on the back surface of the same diameter top pressing ring block 220.

[0032] In combination Figure 1 As shown, when the end cover 10 and the assembly bearing 9 are sequentially sleeved on the same diameter top pipe 2, under the action of the end of the collection and expansion block 3 exceeding the rectangular hole 210, the specific implementation steps are as follows:

[0033] Step one, the second oil cylinder 221 drives the connected same diameter top pressing ring block 220 to move along the same diameter top pipe 2 to the side wall of the exceeding part of the collection and expansion block 3;

[0034] Step two, under the action of the contact and movement limitation of the assembly bearing 9 by the side wall of the exceeding part of the collection and expansion block 3, the same diameter top pressing ring block 220 continuously pushed by the second oil cylinder 221 assembles the corresponding part of the end cover 10 and the outer ring of the assembly bearing 9 together;

[0035] Step three, after the end cover 10 and the outer ring of the assembly bearing 9 are assembled together, the end of the collection and expansion block 3 enters the rectangular hole 210 and is in a reset state, and the second oil cylinder 221 is in an extended state again to move the connected same diameter top pressing ring block 220 forward, so that the assembled end cover 10 and assembly bearing 9 are pressed to move to the corresponding position of the rotor shaft 710;

[0036] In summary: the coaxial clamping structure is adopted, and the assembly of the end cover and the assembly bearing and the assembly of the assembly bearing and the rotor are completed by two times of pressing assembly, the assembly of the end cover and the assembly bearing and the assembly of the assembly bearing and the rotor are completed, and the assembly of the rotor on both sides is synchronous, the assembly is accurate, and the problem of complicated and time-consuming replacement of the rotor orientation is solved.

[0037] As Figure 2As shown, the other end of the same diameter top pipe 2 is fixedly installed on one side of the sliding seat 240, and the other side of the sliding seat 240 is connected with the first oil cylinder 120 located at the end of the rack 1, the circular arc concave block 4 is connected with the side turning linkage mechanism through the U-shaped rod 410, the side turning linkage mechanism includes the second gear 411 located in the middle of the U-shaped rod 410, the third gear 5 and the second motor 510, the third gear 5 is assembled on the shaft end of the second motor 510, and the third gear 5 is in meshing transmission connection with the second gear 411, and the corresponding part of the second motor 510 is fixedly installed on the connecting side plate 6;

[0038] The second motor 510 drives the third gear 5 to rotate, so that the second gear 411 connected with the third gear 5 rotates, and further drives the U-shaped rod 410 connected with the second gear 411 to be in a state of downward side turning or upward side turning, so as to adjust the position of the circular arc concave block 4 located at both ends of the U-shaped rod 410, so as to support or release the rotor 7.

[0039] Further, the two ends of the U-shaped rod 410 are fixedly connected with the two circular arc concave blocks 4 respectively, and the second bearing seat 412 is rotatably installed in the middle of the U-shaped rod 410.

[0040] Further, the side walls at both ends of the rack 1 are provided with guide rails 110, and each group of guide rails 110 is slidably connected with the bottom of the sliding seat 240.

[0041] Further, the corresponding part of the first motor 230 is fixedly connected with the corresponding part of the sliding seat 240.

[0042] Further, the end face diameter of the same diameter top pipe 2 is the same as the diameter of the rotor shaft 710, and the surface of the same diameter top pipe 2 is in sliding contact with the inner ring wall of the same diameter top pressing ring block 220.

[0043] Further, the rotor shaft 710 is located in the middle of the rotor 7, and the rotor 7 is arranged in the stator 8.

[0044] Working principle: the same diameter top pipe 2 and the two circular arc concave blocks 4 symmetrically distributed form a coaxial clamping structure for the rotor shaft 710, which can quickly and accurately place and install the rotor shaft 710, and the tool efficiency is high. The same diameter top pipe 2 has the same diameter as the rotor shaft 710, and the coaxial guide is extended, so as to transfer the bearing 9 and the end cover 10 from the same diameter top pipe 2 to the rotor shaft 710;

[0045] Combination Figure 4 And Figure 5As shown, the first motor 230 drives the first gear 320 connected by the transmission rod 231 to rotate, and drives the expansion block 3 connected by the arc tooth surface to rotate, so that the expansion block 3 turns, and one end of the expansion block 3 exceeds the rectangular hole 210, which can limit the assembly bearing 9 located on the same diameter pipe 2.

[0046] In combination Figure 1 As shown, when the end cover 10 and the assembly bearing 9 are sequentially sleeved on the same diameter pipe 2, under the action of the expansion block 3 exceeding the rectangular hole 210, the specific implementation steps are as follows:

[0047] Step one, the second oil cylinder 221 drives the same diameter top compression ring block 220 connected to move along the same diameter pipe 2 to the excess position of the expansion block 3;

[0048] Step two, under the action of the same diameter top compression ring block 220 continuously pushed by the second oil cylinder 221 contacting and limiting the movement of the assembly bearing 9 at the excess position of the expansion block 3, the corresponding part of the end cover 10 is assembled with the outer ring of the assembly bearing 9;

[0049] Step three, after the end cover 10 and the outer ring of the assembly bearing 9 are assembled together, the expansion block 3 at one end enters the rectangular hole 210 and is in a reset state, and the second oil cylinder 221 is in an extended state again to move the same diameter top compression ring block 220 connected forward, so that the assembled end cover 10 and assembly bearing 9 are pressed to move to the corresponding position of the rotor shaft 710;

[0050] As described above: the coaxial clamping structure is adopted, and the twice pressing is completed by combining the coaxiality, so as to achieve the assembly of the end cover and the assembly bearing, and the assembly of the assembly bearing and the rotor, and the assembly of the rotor on both sides is synchronous, the assembly is accurate, and the problem of changing the orientation of the rotor is solved.

[0051] The second motor 510 drives the third gear 5 to rotate, so that the second gear 411 connected with the third gear 5 rotates, and further drives the U-shaped rod 410 connected with the second gear 411 to be in a downward turning or upward turning state, which adjusts the position of the arc concave block 4 located at both ends of the U-shaped rod 410, so as to support or release the support of the rotor 7.

[0052] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Consequently, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above description, and it is therefore intended that all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced by the application. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0053] The above-described embodiments are merely intended for describing and illustrating, not limiting, the technical solutions of the present application; even though the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A stator-rotor assembly press characterized by: Including frame (1), same diameter top pipe (2), same diameter top pressure ring block (220), folding block (3), first gear (320) and circular arc concave block (4), the top of the frame (1) is symmetrically provided with two same diameter top pipes (2), and the two same diameter top pipes (2) and the two circular arc concave blocks (4) symmetrically distributed form a coaxial clamping structure of a rotor shaft (710), each same diameter top pipe (2) is provided with a rectangular hole (210) at one end of the annular surface, and the same diameter top pipe (2) is provided with the same diameter top pressure ring block (220), each rectangular hole (210) is rotatably connected with the folding block (3) through the rotating shaft (310), and the circular arc tooth surface of each folding block (3) is rotatably connected with the same first gear (320), one end of the folding block (3) is rotatably connected with the rectangular hole (210) through the side turning hole. One end of the folding block (3) beyond the rectangular hole (210) and the same diameter top pressure ring block (220) form a local pressing structure between the assembled bearing (9) and the end cover (10) through relative movement, the second oil cylinder (221) is installed on the back of the same diameter top pressure ring block (220), the first gear (320) is assembled on the transmission rod (231), and one end of the transmission rod (231) is provided with the first motor (230), the other end of the transmission rod (231) is rotatably connected with the first bearing seat (250) located in the port of the same diameter top pipe (2). The other end of the same diameter top pipe (2) is fixedly installed on one side of the sliding seat (240), and the other side of the sliding seat (240) is connected with the first oil cylinder (120) located at the end of the frame (1), the circular arc concave block (4) is connected with the side turning linkage mechanism through the U-shaped rod (410), the side turning linkage mechanism comprises a second gear (411), a third gear (5) and a second motor (510) located in the middle of the U-shaped rod (410), the third gear (5) is assembled on the shaft end of the second motor (510), and the third gear (5) is rotatably connected with the second gear (411), and the corresponding part of the second motor (510) is fixedly installed on the connecting side plate (6). The two ends of the U-shaped rod (410) are respectively fixedly connected with the two circular arc concave blocks (4), and the second bearing seat (412) is rotatably installed in the middle of the U-shaped rod (410).

2. A stator-rotor assembly press according to claim 1, characterized in that: The side wall of the frame (1) is provided with a guide rail (110), and each group of guide rails (110) are slidably connected with the bottom of the sliding seat (240).

3. A stator-rotor assembly press according to claim 1, wherein: The corresponding part of the first motor (230) is fixedly connected with the corresponding part of the sliding seat (240).

4. A stator-rotor assembly press according to claim 1, wherein: The end face diameter of the same diameter top pipe (2) is the same as the diameter of the rotor shaft (710), and the surface of the same diameter top pipe (2) is slidably connected with the inner wall of the same diameter top pressure ring block (220).

5. A stator-rotor assembly press according to claim 1, wherein: The rotor shaft (710) is located in the middle of the rotor (7), and the rotor (7) is arranged in the stator (8).

6. A stator-rotor assembly press according to claim 1, wherein: The center of the circular arc concave surface of the circular arc concave block (4) is located on the central axis of the constant-diameter top pipe (2), and the circular arc concave surface of the circular arc concave block (4) matches the corresponding part of the annular surface of the constant-diameter top pipe (2).

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