CN117324918A - Installation device and installation method of magnetic steel integrated motorized spindle bearing - Google Patents
Installation device and installation method of magnetic steel integrated motorized spindle bearing Download PDFInfo
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- CN117324918A CN117324918A CN202311556008.1A CN202311556008A CN117324918A CN 117324918 A CN117324918 A CN 117324918A CN 202311556008 A CN202311556008 A CN 202311556008A CN 117324918 A CN117324918 A CN 117324918A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 147
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 210000004907 gland Anatomy 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 9
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- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000013585 weight reducing agent Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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Abstract
The invention discloses a mounting device and a mounting method of a magnetic steel integrated motorized spindle bearing, which mainly comprise a base, a lower center seat, an upright post, a guide rail, an upper sliding mechanism, a lower sliding mechanism, a rocking mechanism and a locking mechanism, wherein the lower center seat, the upright post and the guide rail are arranged on the base, the upper sliding mechanism and the lower sliding mechanism are respectively connected with the upper center seat and a bearing mounting bracket, and the rocking mechanism and the locking mechanism are arranged on the upper sliding mechanism and the lower sliding mechanism, so that the sliding mechanism can slide up and down along the guide rail and can be locked at any position. The invention also discloses a use method of the installation tool of the magnetic steel integrated electric spindle bearing. The tooling device ensures that the bearing stress uniformly passes through the strong magnetic area, reduces the assembly difficulty, controls the assembly quality of the bearing, reduces the labor intensity of workers, and has good assembly repeatability; the installation requirements of bearings with different specifications and different positions of the magnetic steel integrated electric spindle with different lengths can be met, and the application range is wide.
Description
Technical Field
The invention relates to the technical field of machine tool equipment, in particular to a device and a method for installing a magnetic steel integrated electric spindle bearing.
Background
When the main shaft of the machine tool is directly driven by the built-in motor, the structure of combining the main shaft of the motor and the main shaft of the machine tool is called as an electric main shaft, a transmission link of a belt, a gear or a coupling is omitted, the length of a main transmission chain is shortened, and the integral performance of the main shaft is effectively improved.
The conventional electric spindle adopts a mode of sleeving a motor rotor on a machine tool spindle to achieve the purpose of 'detachable', but the electric spindle has larger outer diameter, and the improvement of the rotating speed of a grinding wheel of the machine tool is limited, so that the further improvement of the machining precision of the numerical control machine tool is limited. Therefore, the magnetic steel integrated electric spindle is applied, as shown in fig. 1, and the magnetic material is arranged outside the electric spindle, so that the outer diameter of the electric spindle is obviously reduced, the small-diameter grinding wheel with faster rotating speed is met, and the machining precision of a machine tool is further improved.
At present, when the magnetic steel integrated motorized spindle bearing is installed, the bearing is lack of support and fixation, however, the bearing and the motorized spindle are concentric and equidistant, cannot be installed in place when passing through a strong magnetic field, and the installation precision of the bearing cannot be guaranteed.
Disclosure of Invention
Aiming at the defects or shortcomings, the invention aims to provide a mounting device and a mounting method of a magnetic steel integrated electric spindle bearing.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
a mounting device for a magnetic steel integrated motorized spindle bearing, comprising: the base is provided with an upright post and a lower center seat, and the center seat is arranged on one side of the upright post; the upper sliding mechanism is provided with an upper center seat, the lower sliding mechanism is provided with a bearing mounting bracket for mounting a main shaft, and the top and the tail of the main shaft are respectively clamped with the upper center seat and the lower center seat; the bearing installation bracket is positioned between the upper center seat and the lower center seat.
The vertical column is provided with a guide rail, a vertical rack is arranged in the middle of the guide rail, the upper sliding mechanism and the lower sliding mechanism are both slidably mounted on the guide rail, and gears matched with the vertical rack are arranged at the bottoms of the upper sliding mechanism and the lower sliding mechanism to form gear-rack transmission.
The upper sliding mechanism and the lower sliding mechanism are identical in structure and are provided with locking mechanisms, wherein the upper sliding mechanism comprises: the sliding seat is arranged on the guide rail; the upper center seat is arranged on the sliding seat; a gear shaft and a bearing seat are arranged in the sliding seat, and a gear on the gear shaft is meshed with the vertical rack; the gear shaft is provided with a shaking mechanism, and the locking mechanism is arranged on the gear shaft.
The locking mechanism includes: the ratchet wheel is arranged on the gear shaft, the pawl shaft is arranged on the sliding seat, the pawl matched with the ratchet wheel is arranged on the pawl shaft, the spanner is arranged at the end part of the pawl shaft, and the ratchet wheel and the pawl are clamped to form unidirectional rotation locking.
A compression spring is arranged on one side of the pawl and connected to the sliding seat through an adjusting screw, so that the ratchet wheel is meshed with the pawl; when the up-down sliding mechanism needs to move, a spanner arranged at the end part of the ratchet shaft is pulled, the compression spring is in a compressed state, the compressed spring force cannot overcome the spanner force, and the ratchet is separated from the ratchet; when the upper sliding mechanism moves to the proper position of the guide rail, the wrench is loosened, and the pawl is meshed with the ratchet wheel under the action of the compression spring force to realize unidirectional locking.
And a sliding needle roller is arranged between the combining surface of the sliding seat and the guide rail.
The sliding seat one side is provided with adjustment mechanism, adjustment mechanism includes: the sliding plate and the oblique iron are arranged on the side face of the sliding seat; the sliding plate and the oblique iron are positioned on two sides of the guide rail, the handle is arranged on the sliding plate, the handle is rotated, and the distance between the upper sliding mechanism and the guide rail is adjusted, so that the distance between the upper sliding mechanism and the guide rail is uniform.
The bearing mounting bracket includes: the bearing positioning seat is arranged on the lower sliding mechanism, is of a hollow structure and is internally provided with a gland.
The positioning device is characterized in that a positioning block and a bearing stop block are arranged below the bearing positioning seat along the diameter direction, a groove capable of enabling the bearing stop block to pass through is formed in the middle of the positioning block, a depth limiting groove is formed in the lower portion of the groove, close to the center side of the bearing, and the depth of the limiting groove is larger than the height of a positioning pin shaft on the bearing baffle beyond the bearing baffle.
The installation method of the installation device of the magnetic steel integrated motorized spindle bearing comprises the following steps:
step 1: the upper sliding mechanism is moved and locked according to the maximum size of the main shaft;
step 2: mounting a bearing to be mounted in an inner hole of a bearing mounting bracket, and mounting the bottom of the main shaft on a lower center seat to ensure that the main shaft is parallel to the direction of the guide rail;
step 3: the lower sliding mechanism is adjusted to slide downwards, the bearing mounting bracket moves downwards along the guide rail, passes through the upper end of the main shaft and stays at the position above the strong magnetic area;
step 4: the upper sliding mechanism is moved to drive the upper center seat to be combined with the conical hole at the upper end of the main shaft, and the upper sliding mechanism is locked;
step 5: the lower sliding mechanism is moved to drive the bearing mounting bracket to drive the bearing to pass through the strong magnetic area along the guide rail, after the bearing passes through the strong magnetic area, the bearing mounting bracket is loosened to mount the bearing on the main shaft, and then the bearing mounting bracket is moved to the lower part of the lower center seat;
step 6: after the bearing is installed, the upper sliding mechanism is moved upwards, so that the upper center seat is separated from the main shaft, and the main shaft is taken out.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a mounting device and a mounting method of a magnetic steel integrated motorized spindle bearing, which ensure that bearing stress uniformly passes through a strong magnetic area due to the adoption of a stable bearing mounting bracket, reduce the assembly difficulty, control the assembly quality of the bearing and improve the assembly precision of the bearing; in addition, manual operation is greatly reduced, the labor intensity of workers is reduced, and the bearing assembly repeatability is good; and secondly, due to the adoption of the upper sliding mechanism and the lower sliding mechanism, the installation requirements of bearings with different specifications and different positions of the magnetic steel integrated electric spindle with different lengths can be met, and the application range is wide.
Drawings
FIG. 1 is a schematic diagram of a mounting device of a magnetic steel integrated motorized spindle bearing according to the present invention;
FIG. 2 is a side view of the mounting apparatus of the magnetic steel integrated motorized spindle bearing of the present invention;
FIG. 3 is a schematic top view of a sliding mechanism on a mounting device of the magnetic steel integrated motorized spindle bearing;
FIG. 4 is a cross-sectional view of a sliding mechanism on a mounting device of the magnetic steel integrated motorized spindle bearing of the present invention;
FIG. 5 is a cross-sectional view of a locking mechanism structure A-A of a mounting device of the magnetic steel integrated electric spindle bearing of the invention;
FIG. 6 is a schematic view of a bearing seat bracket structure of a mounting device of the magnetic steel integrated electric spindle bearing of the invention;
FIG. 7 is a cross-sectional view of a mounting device bearing mounting bracket B-B of the magnetic steel integrated electric spindle bearing of the present invention;
fig. 8 is a schematic diagram of a positioning block of a mounting device of the magnetic steel integrated motorized spindle bearing.
In the drawings, 1, a base, 2, a lower tip seat, 3, a stand column, 4, a guide rail, 5, a vertical rack, 6, an upper sliding mechanism, 7, a lower sliding mechanism, 9, an upper tip seat, 10, a bearing mounting bracket, 11, a rocking mechanism, 12, a locking mechanism, 13, a limiting block, 14, a sliding seat, 15, a bearing seat, 16, a gear shaft, 17, a sliding needle, 18, an adjusting mechanism, 19, a guard plate, 21, a handle, 22, a sliding plate, 23, a diagonal iron, 24, a ratchet wheel, 25, a pawl, 26, a pawl shaft, 27, a compression spring, 28, an adjusting screw, 29, a wrench, 30, a bearing positioning seat, 32, a gland, 33, a positioning block, 34, a bearing stop, 35, and a positioning pin.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As shown in fig. 1 and 2, the present invention provides a mounting device for a magnetic steel integrated motorized spindle bearing, which includes: the base 1 is provided with an upright post 3 and a lower center seat 2, and the center seat 2 is arranged on one side of the upright post 3; the upright post 3 is provided with a slidable upper sliding mechanism 6 and a slidable lower sliding mechanism 7, the upper sliding mechanism 6 is provided with an upper center seat 9, the lower sliding mechanism 7 is provided with a bearing installation bracket 10 for installing a main shaft 13, and the top and the tail of the main shaft 13 are respectively clamped with the upper center seat 9 and the lower center seat 2; the bearing mounting bracket 10 is located between the upper and lower tip seats 9, 2.
Specifically, the upright 3 is provided with a guide rail 4, a vertical rack 5 is arranged in the middle of the guide rail 4, the upper sliding mechanism 6 and the lower sliding mechanism 7 are both slidably installed on the guide rail 4, and gear shafts 16 matched with the vertical rack 5 are arranged at the bottoms of the upper sliding mechanism 6 and the lower sliding mechanism 7 to form gear rack transmission.
Further, the upper slide mechanism 6 and the lower slide mechanism 7 are identical in structure and are each provided with a locking mechanism 12, wherein the upper slide mechanism 6 includes: a slide base 14, the slide base 14 being mounted on the guide rail 4; the upper center seat 9 is arranged on the sliding seat 14; a gear shaft 16 and a bearing seat 15 are arranged in the sliding seat 14, and gears on the gear shaft 16 are meshed with the vertical racks 5; the gear shaft 16 is provided with a shaking mechanism 11, and the locking mechanism 12 is arranged on the gear shaft 16.
As illustrated in fig. 3-5, the locking mechanism 12 includes: the ratchet wheel 24 is arranged on the gear shaft 16, the pawl shaft 26 is arranged on the sliding seat 14, the pawl 25 matched with the ratchet wheel 24 is arranged on the pawl shaft 26, the spanner 29 is arranged at the end part of the pawl shaft 26, and the ratchet wheel 24 and the pawl 25 are clamped to form unidirectional rotation locking. A compression spring 27 is arranged on one side of the pawl 25, and the compression spring 27 is connected to the sliding seat 14 through an adjusting screw 28 so that the ratchet wheel 24 is meshed with the pawl 25; when the up-down sliding mechanism 6 needs to move, a spanner 29 arranged at the end part of the pawl shaft 26 is wrenched, the compression spring 27 is in a compressed state, the compressed spring force cannot overcome the spanner force, and the pawl 25 is disengaged from the ratchet 24; when the upper sliding mechanism 6 moves to the proper position of the guide rail, the spanner 29 is loosened, and the pawl 25 is meshed with the ratchet wheel 24 under the action of the compression spring force to realize unidirectional locking.
Preferably, a sliding needle 17 is installed between the combining surface of the sliding seat 14 and the guide rail 4; an adjusting mechanism 18 is disposed on one side of the sliding seat 14, and the adjusting mechanism 18 includes: a slide plate 22 and a ramp 23 mounted to the side of the slide block 14; the sliding plate 22 and the chute 23 are positioned on two sides of the guide rail 4, and the sliding plate 22 is provided with a handle 21, and the handle 21 is rotated to assist in locking the upper sliding mechanism (6). The gap between the upper sliding mechanism (6) and the guide rail (4) is adjusted through the inclined iron (23), so that the upper sliding mechanism (6) and the guide rail (4) keep a certain gap, and the sliding is smooth.
The base 1 is arranged at the bottom as a foundation of the whole tool device, and a lower center seat 2 and a stand column 3 are respectively fixed on the upper surface of the base; the vertical rack 5 is vertically connected to the middle position of the guide rail, close to the center side, of the upright post in a bolt mode, and the guide rail 4 and the vertical rack 5 are positioned through a clamping groove structure. The gears 8 arranged in the upper sliding mechanism 6 and the lower sliding mechanism 7 are matched with the vertical racks 5 to form a gear-rack transmission mode. Under the action of the shaking mechanism 11, the upper center seat 9 and the bearing mounting bracket 10 which are fixed on the upper moving mechanism 6 and the lower moving mechanism 7 in a bolt manner can move up and down along the guide rail 4, and can be locked by a locking structure 12 at any position, and limiting blocks 13 are arranged at the bottom and the top of the guide rail 4 to prevent the upper sliding mechanism and the lower sliding mechanism from falling out of racks and causing accidents. The upper sliding structure 6 and the shaking mechanism 11 are vertically arranged, and the lower moving structure 7 and the shaking mechanism 11 are also vertically arranged in the same way, so that the requirement of installation of the magnetic steel integrated motorized spindle bearing with different lengths is met.
It should be noted that, base 1 is tertiary ladder-type structure, and the center department is provided with down top seat 2 mounting hole in the lowest one side, and the highest one side is provided with the stand mounting screw hole for install the stand, and middle one deck is provided with the mount pad of installation stand guide rail. In order to facilitate weight reduction of the base, the side of the base 1 is provided with a weight reducing hole.
Since in the present invention, the upper slide mechanism 6 is similar in structure to the lower slide mechanism 7: the present invention is described by taking the above sliding mechanism 6 as an example, and mainly includes a sliding seat 14, a bearing seat 15, a gear shaft 16, a sliding needle 17, an adjusting mechanism 18, and upper and lower shields 19. The sliding seat 14 and the upper guard plate 19 form a box-packed structure, the left side is respectively connected with the upper center seat 9 or the bearing installation bracket 10, the right side is connected to the guide rail 4 of the upright post, and the upper guard plate 19 and the lower guard plate 19 are provided with grooves for avoiding the vertical chain 5 near the rack side. The gear shaft 16 is arranged on the front vertical plate and the rear vertical plate of the sliding seat 14 through the bearing seat 15, the front end of the gear shaft is connected with the shaking mechanism 11 through an inner square opening structure, and a gear in the middle position of the gear shaft 16 and the vertical rack 5 on the upright post guide rail form a gear and rack transmission mode. A sliding needle roller 17 is arranged between the combining surface of the sliding seat 14 and the guide rail 4, an adjusting mechanism 18 is arranged on the side surfaces of the sliding seat and the guide rail, and the adjusting mechanism 18 comprises a handle 21, a sliding plate 22 and a diagonal iron 23 which are arranged on the side surfaces of the sliding seat. The handle 21 is rotated to assist in locking the upper slide mechanism 6. The gap between the upper sliding mechanism 6 and the guide rail 4 is adjusted through the inclined iron 23, so that the upper sliding mechanism 6 and the guide rail 4 keep a certain gap, and the sliding is smooth. Under the action of the shaking mechanism 11, the upper sliding mechanism and the lower sliding mechanism stably run along the guide rail, so that the bearings with different specifications and different positions are installed.
The locking mechanism 12 mainly comprises a ratchet wheel 24 and a pawl 25 which are arranged on a gear shaft 16 to form a unidirectional rotation locking mechanism, the pawl 25 is arranged on a pawl shaft 26, the pawl shaft 26 is fixed on a bearing seat 15 through a vertical plate at the front side of a sliding seat, a compression spring 27 is arranged at the left side of the pawl 25 and is connected on the left side plate of the sliding seat through an adjusting screw 28, and the ratchet wheel and the pawl are guaranteed to be reliably meshed. When the up-and-down sliding mechanism needs to move, the spanner 29 arranged at the end part of the pawl shaft 26 needs to be pulled, at this time, the compression spring 27 is in a compressed state, the compressed spring force cannot overcome the spanner force, at this time, the pawl 25 is separated from the ratchet wheel 24, and when the up-and-down sliding mechanism moves to a proper position of the guide rail, the spanner is released, and the pawl 25 is meshed with the ratchet wheel under the action of the compressed spring force to realize unidirectional locking.
As shown in fig. 6-8, the bearing mounting bracket 10 includes: the bearing positioning seat 30 is arranged on the lower sliding mechanism 7, the bearing positioning seat 30 is of a hollow structure, and the gland 32 is arranged in the bearing positioning seat 30. The positioning block 33 and the bearing stop block 34 are installed below the bearing positioning seat 30 along the diameter direction, a groove capable of enabling the bearing stop block 34 to pass through is formed in the middle of the positioning block 33, a depth limiting groove is formed in the lower portion of the groove, close to the center side of the bearing, and the depth of the depth limiting groove is larger than the height of the positioning pin shaft on the bearing stop block 34 beyond the bearing stop block.
The bearing mounting bracket 10 mounted on the lower sliding mechanism 7 mainly comprises a bearing positioning seat 30, a gland 32, a positioning block 33 and a bearing stop block 34. The bearing positioning seat 30 is of a hollow structure, a split type gland 32 is arranged on the upper portion of the bearing positioning seat, and a screw for preventing the bearing outer ring from being separated upwards is arranged on the gland. The lower part of the bearing positioning seat 30 is provided with a positioning block 33 and a bearing stop block 34 along the diameter direction, a groove capable of allowing the bearing stop block 34 to pass through is arranged in the middle of the positioning block 33, and the lower part of the groove is provided with a depth h close to the center side of the bearing 2 Is provided. Positioning pin shafts 35 with different directions are arranged at two ends of the bearing baffle, and the positioning pin shaft 35 close to the center of the bearing exceeds the height h of the bearing baffle 1 In order to meet the installation requirements of bearings with different sizes, h is required to be ensured 2 ＞h 1 。
The mounting tool solves the problems that in the prior art, the bearing passes through a strong magnetic area and is stressed unevenly due to lack of positioning support, so that the assembly operation is difficult, the assembly quality of the bearing is difficult to control, the assembly precision of the bearing is low and the like; in addition, the arrangement of the tool gear rack sliding mechanism solves the problems of high labor intensity of workers, poor repeated performance of bearing assembly quality and the like; and through the sliding positioning of the positioning block and the bearing stop block, the assembly requirements of bearings with different sizes can be met.
In addition, the invention also provides an installation tool of the magnetic steel integrated electric spindle, in actual work, the bearing passes through the strong magnetic area by utilizing the installation tool of the electric spindle bearing, so that the assembly process of the bearings with different specifications on the magnetic steel integrated electric spindle is as follows:
step 1: the upper sliding mechanism 6 is moved and locked according to the maximum size of the main shaft 13;
the upper sliding mechanism 6 provided with the upper center seat 9 moves to the upper end of the upright post guide rail according to the maximum size of the magnetic steel integrated electric main shaft with the bearing to be installed, so that the distance between two centers is ensured to be larger than the length of the electric main shaft, and the upper sliding mechanism 6 is locked.
Step 2: the bearing to be installed is installed in an inner hole of a bearing installation bracket 10, the bottom of the main shaft 13 is installed on a lower center seat 2, and the main shaft 13 is ensured to be parallel to the direction of a guide rail 4;
the bearing to be installed is installed in an inner hole of the bearing installation bracket 10, a split type gland 32 is installed at the upper end of the bearing, and screws on the gland 32 are screwed to enable the gland to tightly press the bearing outer ring from the upper position, and the lower part of the bearing is supported by a positioning block 33 and a bearing stop block 34 to prevent the supporting inner ring from falling off.
The magnetic steel integrated electric spindle to be installed is installed on the lower center seat 2, and one person manually assists in supporting the spindle, so that the spindle is ensured to be parallel to the direction of the guide rail.
Step 3: the lower sliding mechanism 7 is adjusted to slide downwards, the bearing mounting bracket 10 moves downwards along the guide rail, passes through the upper end of the main shaft 13 and stays at the position above the strong magnetic area;
the wrench 29 is pulled anticlockwise, the locking mechanism 12 arranged on the lower sliding mechanism 7 is loosened, the lower sliding mechanism 7 is manually operated, the bearing mounting bracket 10 is moved downwards along the guide rail through the gear rack mechanism, passes through the upper end of the magnetic steel integrated motorized spindle and stays at the position above the strong magnetic area.
Step 4: the upper sliding mechanism 6 is moved to drive the upper center seat 9 to be combined with the conical hole at the upper end of the main shaft, and the upper sliding mechanism 6 is locked;
the hand-operated upper sliding mechanism 6 drives the upper center to be reliably combined with the conical hole at the upper end of the main shaft, and locks the locking mechanism 12 arranged on the upper sliding mechanism 6.
Step 5: the lower sliding mechanism 7 is moved to drive the bearing mounting bracket 10 to drive the bearing to pass through the strong magnetic area along the guide rail 4, after the bearing passes through the strong magnetic area, the bearing mounting bracket 10 is loosened to mount the bearing on the main shaft 13, and then the bearing mounting bracket 10 is moved to the position below the lower center seat 9;
releasing a locking mechanism 12 arranged on the lower sliding mechanism 7, and shaking the lower sliding mechanism 7, and driving the bearing mounting bracket 10 to drive the bearing to pass through the strong magnetic area along the guide rail through the gear rack mechanism; after the bearing passes through the strong magnetic area, the positioning block 33 and the bearing stop block 34 below the bearing mounting bracket 10 are loosened, the bearing is mounted on the main shaft, and the bearing mounting bracket 10 is continuously moved to the position below the lower center seat 9.
Step 6: after the bearing is installed, the upper sliding mechanism 6 is moved upwards, so that the upper center seat 2 is separated from the main shaft 13, and the main shaft 13 is taken out.
It will be apparent to those skilled in the art that the foregoing embodiments are merely preferred embodiments of the invention, and that modifications and variations of some parts of this invention are possible, as will be apparent to those skilled in the art, while still practicing the principles of the invention and achieving the object of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a magnetic steel integrative electricity main shaft bearing's installation device which characterized in that includes: the base (1), install stand (3) and lower top seat (2) on base (1), top seat (2) set up in stand (3) one side; the vertical column (3) is provided with a slidable upper sliding mechanism (6) and a slidable lower sliding mechanism (7), the upper sliding mechanism (6) is provided with an upper center seat (9), the lower sliding mechanism (7) is provided with a bearing mounting bracket (10) for mounting a main shaft (13), and the top and the tail of the main shaft (13) are respectively clamped with the upper center seat (9) and the lower center seat (2); the bearing mounting bracket (10) is positioned between the upper center seat (9) and the lower center seat (2).
2. The installation device of the magnetic steel integrated motorized spindle bearing according to claim 1, wherein the upright post (3) is provided with a guide rail (4), a vertical rack (5) is arranged in the middle of the guide rail (4), the upper sliding mechanism (6) and the lower sliding mechanism (7) are both slidably installed on the guide rail (4), and gears (8) matched with the vertical rack (5) are arranged at the bottoms of the upper sliding mechanism (6) and the lower sliding mechanism (7) to form a gear-rack transmission.
3. The mounting device of a magnetic steel integrated motorized spindle bearing according to claim 2, wherein the upper sliding mechanism (6) and the lower sliding mechanism (7) have the same structure and are both provided with a locking mechanism (12), and wherein the upper sliding mechanism (6) comprises: a sliding seat (14), wherein the sliding seat (14) is arranged on the guide rail (4); the upper center seat (9) is arranged on the sliding seat (14); a gear shaft (16) and a bearing seat (15) are arranged in the sliding seat (14), and a gear on the gear shaft (16) is meshed with the vertical rack (5); the gear shaft (16) is provided with a shaking mechanism (11), and the locking mechanism (12) is arranged on the gear shaft (16).
4. A mounting device for a magnetic steel integrated electric spindle bearing according to claim 3, characterized in that the locking mechanism (12) comprises: the ratchet wheel (24) is arranged on the gear shaft (16), the pawl shaft (26) is arranged on the sliding seat (14), the pawl (25) matched with the ratchet wheel (24) is arranged on the pawl shaft (26), the wrench (29) is arranged at the end part of the pawl shaft (26), and the ratchet wheel (24) and the pawl (25) are clamped to form unidirectional rotation locking.
5. The installation device of the magnetic steel integrated motorized spindle bearing according to claim 4, wherein a compression spring (27) is arranged on one side of the pawl (25), and the compression spring (27) is connected to the sliding seat (14) through an adjusting screw (28) so that the ratchet wheel (24) is meshed with the pawl (25); when the up-down sliding mechanism (6) needs to move, a spanner (29) arranged at the end part of the pawl shaft (26) is pulled, the compression spring (27) is in a compressed state, the compressed spring force cannot overcome the spanner force, and the pawl (25) is disengaged from the ratchet wheel (24); when the upper sliding mechanism (6) moves to the proper position of the guide rail, the spanner (29) is loosened, and the pawl (25) is meshed with the ratchet wheel (24) under the action of the compression spring force to realize unidirectional locking.
6. The installation device of the magnetic steel integrated motorized spindle bearing according to claim 2, wherein a sliding needle roller (17) is installed between the combining surface of the sliding seat (14) and the guide rail (4).
7. The installation device of a magnetic steel integrated motorized spindle bearing according to claim 2, wherein an adjusting mechanism (18) is provided on one side of the sliding seat (14), and the adjusting mechanism (18) comprises: a sliding plate (22) and a diagonal iron (23) which are arranged on the side surface of the sliding seat (14); the sliding plate (22) and the inclined iron (23) are positioned on two sides of the guide rail (4), a handle (21) is arranged on the sliding plate (22), and the handle (21) is rotated to assist in locking the upper sliding mechanism (6). The upper sliding mechanism (6) and the guide rail (4) are adjusted by the inclined iron (23) so that a certain gap is kept between the upper sliding mechanism (6) and the guide rail 4, and the upper sliding mechanism slides smoothly.
8. The mounting device for a magnetic steel integrated motorized spindle bearing according to claim 1, characterized in that the bearing mounting bracket (10) comprises: the bearing positioning seat (30) is arranged on the lower sliding mechanism (7), the bearing positioning seat (30) is of a hollow structure, and a gland (32) is arranged in the bearing positioning seat (30).
9. The installation device of the magnetic steel integrated motorized spindle bearing according to claim 8, wherein a positioning block (33) and a bearing stop block (34) are installed below the bearing positioning seat (30) along the diameter direction, a groove capable of enabling the bearing stop block (34) to pass through is formed in the middle of the positioning block (33), a depth limiting groove is formed in the lower portion of the positioning block, close to the center side of the bearing, of the positioning block, and the depth of the positioning groove is larger than the height of a positioning pin shaft on the bearing stop block (34) exceeding the bearing stop block.
10. A mounting method of a mounting device for a magnetic steel integrated electric spindle bearing according to claim 1, comprising:
step 1: the upper sliding mechanism (6) is moved and locked according to the maximum size of the main shaft (13);
step 2: the bearing to be installed is installed in an inner hole of a bearing installation bracket (10), the bottom of the main shaft (13) is installed on a lower center seat (2), and the main shaft (13) is ensured to be parallel to the direction of the guide rail (4);
step 3: the lower sliding mechanism (7) is adjusted to slide downwards, the bearing mounting bracket (10) moves downwards along the guide rail, passes through the upper end of the main shaft (13) and stays at a position above the strong magnetic area;
step 4: the upper sliding mechanism (6) is moved to drive the upper center seat (9) to be combined with the conical hole at the upper end of the main shaft, and the upper sliding mechanism (6) is locked;
step 5: the lower sliding mechanism (7) is moved to drive the bearing mounting bracket (10) to drive the bearing to pass through the strong magnetic area along the guide rail (4), after the bearing passes through the strong magnetic area, the bearing mounting bracket (10) is loosened to mount the bearing on the main shaft (13), and then the bearing mounting bracket (10) is moved to the lower part of the lower center seat (9);
step 6: after the bearing is installed, the upper sliding mechanism (6) is moved upwards, so that the upper center seat (2) is separated from the main shaft (13), and the main shaft (13) is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311556008.1A CN117324918A (en) | 2023-11-21 | 2023-11-21 | Installation device and installation method of magnetic steel integrated motorized spindle bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118024056A (en) * | 2024-04-12 | 2024-05-14 | 北京特思迪半导体设备有限公司 | Main shaft assembly tool and main shaft assembly method for wafer grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118024056A (en) * | 2024-04-12 | 2024-05-14 | 北京特思迪半导体设备有限公司 | Main shaft assembly tool and main shaft assembly method for wafer grinding machine |
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