CN211028109U - Device for assembling high-speed electric spindle - Google Patents
Device for assembling high-speed electric spindle Download PDFInfo
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- CN211028109U CN211028109U CN201921543079.7U CN201921543079U CN211028109U CN 211028109 U CN211028109 U CN 211028109U CN 201921543079 U CN201921543079 U CN 201921543079U CN 211028109 U CN211028109 U CN 211028109U
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- speed electric
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Abstract
The utility model relates to a device for assembling a high-speed electric spindle, which comprises a base, a movable plate movably connected on the base, a clamping mechanism arranged on the movable plate and used for fixing a bearing, a press-fitting mechanism arranged on the base and used for pressing a spindle rotor into a bearing seat, and a driving mechanism arranged on the base and used for driving the movable plate to move; the clamping mechanism comprises a plurality of clamping support columns vertically arranged on the movable plate, a jig base plate arranged on the clamping support columns, a first clamping assembly arranged on one side of the upper end face of the jig base plate, and a second clamping assembly arranged on the other side of the upper end face of the jig base plate. The utility model discloses can accomplish the assembly operation of main shaft rotor and bearing frame fast, whole process only needs the manual work to receive and release the material, low in labor strength, and work efficiency is high, has reduced manufacturing cost, has avoided the assembly error that arouses because of main shaft rotor or bearing deformation in the manual assembly operation simultaneously, has guaranteed the quality of electric main shaft.
Description
Technical Field
The utility model relates to an electricity main shaft technical field, concretely relates to assembly high-speed electricity main shaft's device.
Background
The electric main shaft is a new technology which integrates a machine tool main shaft and a main shaft motor into a whole and appears in the field of numerical control machine tools, and the electric main shaft, a linear motor technology and a high-speed cutter technology push high-speed processing to a new era. With the rapid development and the gradual improvement of electric transmission technologies (frequency conversion speed regulation technology, motor vector control technology and the like), the mechanical structure of a main transmission system of a high-speed numerical control machine tool is greatly simplified, and belt wheel transmission and gear transmission are basically cancelled. The main shaft of the machine tool is directly driven by the built-in motor, so that the length of a main transmission chain of the machine tool is shortened to zero, and zero transmission of the machine tool is realized. The electric spindle generally comprises a plurality of components such as a motor, a spindle, a bearing seat and the like. Belong to interference fit between the rotor of main shaft and the bearing in the bearing frame, two parts of interference fit need great power to guarantee that two parts realize zonulae occludens when the assembly, in traditional operation, generally all the manual work uses the instrument to strike the impact force through strikeing the production and makes up both, but this kind of mode assembles comparatively difficultly, high labor strength, inefficiency, the in-process that constantly strikeing simultaneously still can make rotor or bearing take place deformation, thereby influence the quality of electric main shaft, consequently still need measure simultaneously in the assembling process, avoid assembly error.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an assembly high-speed electric main shaft's device.
The utility model discloses a following scheme realizes:
a device for assembling a high-speed electric spindle is used for assembling a spindle rotor and a bearing seat and comprises a base, a movable plate movably connected to the base, a clamping mechanism arranged on the movable plate and used for fixing a bearing, a press-fitting mechanism arranged on the base and used for pressing the spindle rotor into the bearing seat, and a driving mechanism arranged on the base and used for driving the movable plate to move; the clamping mechanism comprises a plurality of clamping support columns vertically arranged on the movable plate, a jig base plate arranged on the clamping support columns, a first clamping assembly arranged on one side of the upper end surface of the jig base plate, and a second clamping assembly arranged on the other side of the upper end surface of the jig base plate, wherein the first clamping assembly and the second clamping assembly are symmetrically arranged, have the same structure and respectively comprise a clamping piece movably connected to the jig base plate and used for clamping a bearing seat, and a driving piece used for driving the clamping piece to move; and the jig bottom plate is also provided with a clamping switch for starting the driving piece.
Furthermore, actuating mechanism includes the screw rod of being connected with the movable plate, sets up first support piece and the second support piece that is used for supporting the screw rod on the base, the screw rod is rotatable coupling with first support piece, second support piece the tip of screw rod still is provided with the hand wheel that is used for rotating the screw rod.
Furthermore, the moving plate is movably connected with the base through a plurality of guide rails arranged on the base, and the direction of the guide rails is consistent with that of the screw rod.
Furthermore, the moving plate is movably connected to the guide rail through a sliding block.
Furthermore, the press-fitting mechanism comprises a plurality of support rods arranged on the base, a fixed plate arranged at the tops of the support rods, an oil pressure cylinder arranged on the fixed plate, and a press-fitting switch arranged on the fixed plate, wherein a piston rod of the oil pressure cylinder penetrates through the fixed plate and extends to the position below the bottom surface of the fixed plate, and a press block used for press-fitting the spindle rotor is further arranged at the end part of the piston rod of the oil pressure cylinder.
Further, the driving member is an air cylinder.
Furthermore, a positioning groove for placing the bearing seat is arranged on the jig bottom plate.
Furthermore, a through hole for the spindle rotor to pass through is formed in the jig base plate.
Furthermore, a plurality of foot cups are arranged on the bottom surface of the base.
Contrast prior art, the utility model discloses following beneficial effect has:
the utility model discloses set up the fixture that is used for centre gripping fixed bearing frame to and be used for impressing main shaft rotor the pressure equipment mechanism of the bearing hole of bearing frame, can accomplish the assembly operation of main shaft rotor and bearing frame fast, whole process only needs the manual work to receive and release the material, low in labor strength, and work efficiency is high, has reduced manufacturing cost. Meanwhile, the spindle rotor and the bearing seat are assembled through one-time press fitting, so that assembly errors caused by deformation of the spindle rotor or the bearing in manual assembly operation are avoided, and the quality of the electric spindle is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an apparatus for assembling a high-speed electric spindle according to the present invention.
Fig. 2 is a schematic view of the clamping mechanism of the present invention.
Fig. 3 is a cross-sectional view of the clamping mechanism of the present invention.
Detailed Description
To facilitate understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
Referring to fig. 1 to 3, the utility model provides an assembly high-speed electric main shaft's device, including base 1, but moving connection is at movable plate 2 on the base, sets up fixture 3 that is used for fixing bearing on the movable plate, sets up the pressure equipment mechanism 4 that is used for impressing main shaft rotor 6 bearing frame 7 on the base to and set up the actuating mechanism 5 that is used for driving the movable plate removal on the base. The bottom surface of the base 1 is provided with a plurality of foot cups 13.
The clamping mechanism comprises a plurality of clamping support columns 31 vertically arranged on the moving plate, a jig base plate 32 arranged on the clamping support columns, a first clamping assembly 33 arranged on one side of the upper end face of the jig base plate, and a second clamping assembly 34 arranged on the other side of the upper end face of the jig base plate, wherein the first clamping assembly and the second clamping assembly are symmetrically arranged. The jig bottom plate is roughly rectangular, the first clamping assembly and the second clamping assembly are symmetrically arranged by taking a shorter central axis of the rectangle as a reference, and a space for placing the bearing seat is arranged between the two clamping assemblies. The first clamping assembly and the second clamping assembly have the same structure, and both comprise a clamping piece 331 movably connected to the jig base plate and used for clamping the bearing seat, and a driving piece 332 used for driving the clamping piece to move. In this embodiment, the driving member 332 is a cylinder. The jig base plate 32 is provided with a positioning groove 35 (a positioning jig of a corresponding type may be used in specific implementation) for placing the bearing seat, and the jig base plate 32 is provided with a through hole 36 for the spindle rotor to pass through. The jig bottom plate is also provided with a clamping switch 37 for starting the driving piece.
The driving mechanism 5 comprises a screw 51 connected with the moving plate, and a first supporting piece 52 and a second supporting piece 53 which are arranged on the base and used for supporting the screw, wherein the screw is rotatably connected with the first supporting piece and the second supporting piece, and a hand wheel 54 used for rotating the screw is further arranged at the end part of the screw. In this embodiment, the screw rod is a T-shaped screw rod, and the T-shaped screw rod has a self-locking function.
The moving plate 2 is movably connected with the base through a plurality of guide rails 11 arranged on the base, and the directions of the guide rails are consistent with those of the screw rods. The moving plate 2 is movably connected on the guide rail through a slide block 21. The bottom surface of the moving plate is provided with a threaded sleeve matched with the screw rod, and when the hand wheel is rotated, the moving plate can move along the guide rail.
The press-fitting mechanism 4 includes a plurality of support rods 41 arranged on the base, a fixing plate 42 arranged on the top of the support rods, an oil pressure cylinder 43 arranged on the fixing plate, and a press-fitting switch 45 arranged on the fixing plate, wherein a piston rod of the oil pressure cylinder passes through the fixing plate and extends to a position below the bottom surface of the fixing plate, and a press block 44 for press-fitting the spindle rotor is further arranged at the end of the piston rod of the oil pressure cylinder (the press block may not be connected with the piston rod of the oil pressure cylinder, and is only placed on the spindle rotor during assembly). The press-fitting mechanism is specifically arranged at a position of the base close to the middle.
In specific implementation, the driving member, the clamping switch, the oil pressure cylinder, and the press-fitting switch of the clamping mechanism are all connected to the control module (such as a plc controller). The edge that fixture initial condition is close to the base at specific during operation, at first places the constant head tank on the tool bottom plate with the bearing frame, opens the centre gripping switch afterwards, starts the driving piece of first centre gripping subassembly and second centre gripping group price, presss from both sides the bearing frame tightly from both sides. And then, rotating the hand wheel to move the clamping mechanism to the lower part of the oil hydraulic cylinder so that the bearing block is aligned to the pressing block. Then the main shaft rotor is placed at the bearing inner hole inside the bearing seat, the press-fitting switch is turned on, the piston rod of the oil hydraulic cylinder moves downwards, and the pressing block presses the main shaft rotor into the bearing seat, so that the main shaft rotor is tightly connected with the bearing in the bearing seat. When the spindle rotor is pressed in place, the piston rod of the oil hydraulic cylinder cannot move downwards, the press-fitting switch is closed, and the assembly is completed. And then, the hand wheel can be rotated to reset the moving plate, the clamping switch is closed, and the finished product is taken out.
The utility model discloses set up the fixture that is used for centre gripping fixed bearing frame to and be used for impressing main shaft rotor the pressure equipment mechanism of the bearing hole of bearing frame, can accomplish the assembly operation of main shaft rotor and bearing frame fast, whole process only needs the manual work to receive and release the material, low in labor strength, and work efficiency is high, has reduced manufacturing cost. Meanwhile, the spindle rotor and the bearing seat are assembled through one-time press fitting, so that assembly errors caused by deformation of the spindle rotor or the bearing in manual assembly operation are avoided, and the quality of the electric spindle is guaranteed.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.
Claims (9)
1. A device for assembling a high-speed electric spindle is used for assembling a spindle rotor and a bearing seat and is characterized by comprising a base (1), a movable plate (2) movably connected to the base, a clamping mechanism (3) arranged on the movable plate and used for fixing a bearing, a press-fitting mechanism (4) arranged on the base and used for pressing the spindle rotor into the bearing seat, and a driving mechanism (5) arranged on the base and used for driving the movable plate to move; the clamping mechanism comprises a plurality of clamping support columns (31) vertically arranged on the moving plate, a jig base plate (32) arranged on the clamping support columns, a first clamping assembly (33) arranged on one side of the upper end face of the jig base plate, and a second clamping assembly (34) arranged on the other side of the upper end face of the jig base plate, wherein the first clamping assembly and the second clamping assembly are symmetrically arranged, have the same structure and respectively comprise a clamping piece (331) which is movably connected to the jig base plate and is used for clamping a bearing seat, and a driving piece (332) which is used for driving the clamping piece to move; the jig bottom plate is also provided with a clamping switch (37) for starting the driving piece.
2. The device for assembling a high-speed electric spindle according to claim 1, wherein the driving mechanism (5) comprises a screw (51) connected with the moving plate, a first support (52) and a second support (53) arranged on the base for supporting the screw, the screw is rotatably connected with the first support and the second support, and a hand wheel (54) for rotating the screw is arranged at the end of the screw.
3. A device for assembling a high-speed electric spindle according to claim 2, characterized in that the moving plate (2) is movably connected to the base by means of a plurality of guide rails (11) provided on the base, and the direction of the guide rails is in line with the screw.
4. A device for assembling a high-speed electric spindle according to claim 3, characterized in that the moving plate (2) is movably connected to the guide rail by means of a slide (21).
5. The apparatus for assembling a high-speed electric spindle according to claim 1, wherein the press-fitting mechanism (4) comprises a plurality of support rods (41) disposed on the base, a fixing plate (42) disposed on the top of the support rods, an oil hydraulic cylinder (43) disposed on the fixing plate, and a press-fitting switch (45) disposed on the fixing plate, wherein a piston rod of the oil hydraulic cylinder passes through the fixing plate and extends below the bottom surface of the fixing plate, and a pressing block (44) for press-fitting the spindle rotor is further disposed at an end of the piston rod of the oil hydraulic cylinder.
6. A device for assembling a high-speed electric spindle according to claim 1, characterized in that the driving member (332) is a cylinder.
7. The device for assembling the high-speed electric spindle according to claim 1, wherein the jig base plate (32) is provided with a positioning groove (35) for placing a bearing seat.
8. The device for assembling the high-speed electric spindle according to claim 1, wherein the jig base plate (32) is provided with a through hole (36) for the spindle rotor to pass through.
9. A device for assembling a high-speed electric spindle according to claim 1, characterized in that the base (1) is provided with a plurality of foot cups (13) on its bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921543079.7U CN211028109U (en) | 2019-09-17 | 2019-09-17 | Device for assembling high-speed electric spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921543079.7U CN211028109U (en) | 2019-09-17 | 2019-09-17 | Device for assembling high-speed electric spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211028109U true CN211028109U (en) | 2020-07-17 |
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ID=71562068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921543079.7U Active CN211028109U (en) | 2019-09-17 | 2019-09-17 | Device for assembling high-speed electric spindle |
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| Country | Link |
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| CN (1) | CN211028109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496707A (en) * | 2020-12-03 | 2021-03-16 | 浙江多川电机技术有限公司 | Vertical assembling table structure of permanent magnet synchronous electric spindle |
-
2019
- 2019-09-17 CN CN201921543079.7U patent/CN211028109U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496707A (en) * | 2020-12-03 | 2021-03-16 | 浙江多川电机技术有限公司 | Vertical assembling table structure of permanent magnet synchronous electric spindle |
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