CN220613833U

CN220613833U - Machining center main shaft dismouting auxiliary device

Info

Publication number: CN220613833U
Application number: CN202320161783.6U
Authority: CN
Inventors: 邓明利; 袁庆安; 欧启成; 秦汉
Original assignee: GAC Motor Co Ltd
Current assignee: GAC Motor Co Ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2024-03-19
Anticipated expiration: 2033-02-08

Abstract

The utility model relates to the technical field of spindle dismounting auxiliary equipment, in particular to a spindle dismounting auxiliary device of a machining center, which comprises a bracket, wherein a plurality of guide rails parallel to spindle mounting holes are arranged on the bracket, a plurality of supporting pieces for placing a spindle are slidably arranged on the guide rails, and a height adjusting mechanism for adjusting the height of the guide rails is further arranged on the bracket. The support is used for supporting the guide rail, the support piece is used for erecting the main shaft, the height adjusting mechanism is used for adjusting the height of the guide rail, and the main shaft on the support piece and the main shaft mounting hole are in a concentric state through adjusting the height of the guide rail; when the main shaft is used, the height of the guide rail is adjusted, then the main shaft is placed on the supporting piece, and the supporting piece or the main shaft is pushed, so that the supporting piece slides on the guide rail, and the effect that the main shaft is close to the main shaft mounting hole or far away from the main shaft mounting hole is achieved.

Description

Machining center main shaft dismouting auxiliary device

Technical Field

The utility model relates to the technical field of spindle dismounting auxiliary equipment, in particular to a spindle dismounting auxiliary device of a machining center.

Background

When the main shaft of the horizontal machining center is maintained, the main shaft is required to be assembled and disassembled, the main shaft of the machining center belongs to a high-precision component, and the main shaft cannot be subjected to too large action during the disassembly or the assembly, otherwise, secondary damage is caused to the main shaft, and the secondary damage is often irreparable, so that the main shaft is required to be carefully assembled and disassembled. Because the space inside the machining center is very small, the lifting appliance cannot be installed, the lifting appliance is difficult to operate by a plurality of persons, the main shaft is lifted by the hands to operate during the disassembly and the installation, the mass of the main shaft is relatively large, two operators can only be entered each time, the operation intensity is very high for the operators, and the personal physical strength requirements for the operators are very high. The main shaft is very accurate with the cooperation of main shaft mounting hole, and the clearance is less, and the concentricity requirement of the center of all required main shafts and the center of mounting hole is very high when installing or dismantling, will not install or dismantle slightly, so the requirement is very good to the position of main shaft when dismantling or installing the main shaft, and the dismouting time can be very slow, and is very high to the skill requirement of operating personnel. These reasons present great difficulties in the disassembly, assembly and maintenance of the spindle, and also present a number of potential safety hazards.

The existing disassembly and assembly tool for the horizontal machining center spindle comprises a bottom plate, two support columns, a flange plate, a trapezoidal thread screw and a spindle tool handle, wherein the two support columns are vertically arranged on the surface of the bottom plate at intervals, the flange plate is arranged between the two support columns, the center of the flange plate is provided with a trapezoidal thread hole, the trapezoidal thread screw is screwed in the trapezoidal thread hole in the center of the flange plate, and the spindle tool handle is arranged at the front end of the trapezoidal thread screw.

The existing horizontal machining center spindle dismounting tool saves some manpower, but the occupied space is still large, and the spindle is mounted on the flange plate in a more time consuming manner, so that the efficiency is low.

Disclosure of Invention

The utility model provides an auxiliary device for dismounting a main shaft of a machining center, which aims to solve the problems of larger occupied space and lower use efficiency of the main shaft dismounting device in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a machining center main shaft dismouting auxiliary device, includes the support, be equipped with a plurality of guide rails parallel with the main shaft mounting hole on the support, slide on the guide rail and be equipped with a plurality of support pieces that are used for laying the main shaft, still be equipped with the high adjustment mechanism who is used for adjusting the guide rail height on the support.

The support is used for supporting the guide rail, the support piece is used for erecting the main shaft, the height adjusting mechanism is used for adjusting the height of the guide rail, and the main shaft on the support piece and the main shaft mounting hole are in a concentric state through adjusting the height of the guide rail; when the main shaft is used, the height of the guide rail is adjusted, then the main shaft is placed on the supporting piece, and the supporting piece or the main shaft is pushed, so that the supporting piece slides on the guide rail, and the effect that the main shaft is close to the main shaft mounting hole or far away from the main shaft mounting hole is achieved.

Further, the support piece comprises a sliding block and a support block, a sliding groove is formed in the sliding block, and the guide rail is slidably clamped in the sliding groove; the support block is arranged on the sliding block, and a clamping groove for clamping the main shaft is formed in the support block.

Further, the sliding block is provided with a plurality of balls on the inner wall of the sliding groove.

Further, a plurality of grooves for accommodating the balls are formed in the guide rail.

Further, the bracket comprises a fixed part and a telescopic part, and the telescopic part is slidably inserted into the fixed part; the height adjusting mechanism comprises a plurality of first positioning holes, a plurality of second positioning holes and fasteners, wherein the first positioning holes are formed in the fixed part, and the first positioning holes are arranged at intervals along the sliding direction of the telescopic part; the second positioning hole is formed in the telescopic part, and the fastening piece can be arranged in the first positioning hole and the second positioning hole in a penetrating manner; the guide rail is arranged on the telescopic part.

Further, a cross beam is arranged at the bottom of the support, and support legs are arranged at two ends of the cross beam.

Further, the support leg is connected with the cross beam through a distance adjusting mechanism.

Further, the distance adjusting mechanism comprises a screw, a first nut, a second nut and a third nut; one end of the screw rod is penetrated through the cross beam, and the other end of the screw rod is penetrated through the supporting leg; the third nut is arranged on the screw rod in a penetrating way through threaded matching, the third nut is positioned at the bottom of the cross beam, the first nut is arranged on the screw rod in a penetrating way through threaded matching, and the first nut is positioned at the top of the cross beam; the second nut is arranged on the screw rod in a penetrating mode through threaded fit, and the second nut is located at the top of the supporting leg.

Further, the device also comprises a reinforcing rib, one end of the reinforcing rib is connected with the cross beam, and the other end of the reinforcing rib is connected with the bracket.

Further, one end of the guide rail is connected with the support, an abutting plate used for abutting against the end face where the installation hole of the main shaft of the machining center is located is arranged at the other end of the guide rail, and a fixing hole is formed in the abutting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the support piece provided with the main shaft is arranged on the guide rail in a sliding way, so that the main shaft is not required to be manually carried, and labor is saved; the guide rail is adjusted to enable the main shaft and the main shaft mounting hole to be concentric, then the main shaft can be installed in the main shaft mounting hole by sliding the supporting piece on the guide rail, an operator does not need to manually lift the main shaft to perform concentric alignment, a great amount of manpower is saved, the mounting efficiency is improved, the guide rail is strip-shaped, only occupies a longitudinal space, occupies little transverse space, and is quite suitable for being used in a machining center with a small space;

2. through setting up the draw-in groove of placing the main shaft on the slider, the operator takes out the main shaft from the main shaft mounting hole, directly place the main shaft in the draw-in groove can, need not to utilize extra fastener to install the main shaft on support piece, save time, can improve efficiency more;

3. the distance between the support legs and the cross beam can be adjusted by arranging the distance adjusting mechanism, and the effect of further adjusting the height of the guide rail is achieved on the basis of the height adjusting mechanism, so that the main shaft dismounting auxiliary device of the whole machining center can assist in the operation of dismounting the main shaft aiming at the machining centers with various different types and specifications;

4. through set up the butt board with the terminal surface butt of machining center main shaft mounting hole place on the guide rail, and be equipped with the fixed orifices on the butt board, during the use, with butt board butt on the terminal surface of machining center main shaft mounting hole place terminal surface to utilize the fastener to pass the fixed orifices and fix the butt board on machining center, and then make guide rail and machining center relatively fixed, thereby guaranteed the in-process at the dismouting main shaft, the guide rail can not take place the skew.

Drawings

FIG. 1 is a schematic view showing the overall structure of an embodiment of a spindle attachment/detachment auxiliary device for a machining center according to the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a view showing the internal construction of the support and guide rail in an embodiment of the auxiliary device for assembling and disassembling a spindle of a machining center according to the present utility model;

fig. 4 is an internal structural view of a bracket in an embodiment of a machining center spindle attachment/detachment assisting apparatus of the present utility model.

In the accompanying drawings: 1. a bracket; 11. a fixing part; 12. a telescopic part; 2. a guide rail; 3. a support; 31. a slide block; 32. a clamping groove; 33. a support block; 34. a chute; 4. a height adjusting mechanism; 41. a first positioning hole; 42. a second positioning hole; 43. a fastener; 5. a ball; 6. a strip groove; 7. a cross beam; 8. a support leg; 9. a distance adjusting mechanism; 91. a screw; 92. a first nut; 93. a second nut; 94. a third nut; 10. reinforcing ribs; 13. an abutting plate; 14. and a fixing hole.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

Referring to fig. 1, an embodiment 1 of an auxiliary device for assembling and disassembling a spindle of a machining center according to the present utility model includes a bracket 1, wherein a plurality of guide rails 2 parallel to a spindle mounting hole are provided on the bracket 1, a plurality of supporting members 3 for placing the spindle are slidably provided on the guide rails 2, and a height adjusting mechanism 4 for adjusting the height of the guide rails 2 is further provided on the bracket 1.

Specifically, the whole support 1 and the guide rail 2 are in an inverted L shape, one end of the length direction of the guide rail 2 is welded at the top of the support 1, the number of the guide rails 2 is two, the guide rails 2 are horizontally arranged, and the support 3 is ensured to stably slide on the guide rails 2. The support 1 is used for supporting the guide rail 2, the support 3 is used for erecting a main shaft, the height adjusting mechanism 4 is used for adjusting the height of the guide rail 2, and the main shaft on the support 3 and the main shaft mounting hole are in a concentric state by adjusting the height of the guide rail 2; when the device is used, the height of the guide rail 2 is adjusted firstly, then the main shaft is placed on the supporting piece 3, and then the supporting piece 3 or the main shaft is pushed, so that the supporting piece 3 slides on the guide rail 2, and the effect that the main shaft is close to the main shaft mounting hole or far away from the main shaft mounting hole is achieved.

In this embodiment, the supporting member 3 includes a sliding block 31 and a supporting block 33, a sliding groove 34 is formed on the sliding block 31, and the guide rail 2 is slidably clamped in the sliding groove 34; the supporting block 33 is arranged on the sliding block 31, and the supporting block 33 is provided with a clamping groove 32 for clamping the main shaft.

Specifically, the number of the supporting pieces 3 is two, each supporting piece 3 comprises two sliding blocks 31, the two sliding blocks 31 are respectively and correspondingly arranged on the two guide rails 2, the supporting blocks 33 are arranged at the tops of the two sliding blocks 31 through a plurality of bolts, a V-shaped clamping groove 32 is formed in the top of each supporting block 33, the V-shaped clamping groove 32 is convenient for directly placing a main shaft into the clamping groove 32, the two inner walls of the V-shaped clamping groove 32 are directly abutted to the main shaft, the main shaft can be prevented from shaking in the clamping groove 32, and the stability of the main shaft in the clamping groove 32 is ensured. Through setting up the draw-in groove 32 of placing the main shaft on slider 31, the operator takes out the main shaft from the main shaft mounting hole after, directly place the main shaft in draw-in groove 32 can, need not to utilize extra fastener 43 to install the main shaft on support piece 3, saves time, can improve efficiency more.

In this embodiment, the sliding block 31 is provided with a plurality of balls 5 on the inner wall of the chute 34. Specifically, each sliding block 31 is provided with eight balls 5 on the inner wall thereof, and sliding friction between the sliding block 31 and the guide rail 2 can be changed into rolling friction by arranging the balls 5, so that friction force between the sliding block 31 and the guide rail 2 is greatly reduced, the supporting piece 3 provided with the main shaft is more labor-saving when being moved, abrasion of the sliding block 31 or the guide rail 2 can be reduced, and the service life is prolonged.

In this embodiment, the guide rail 2 is provided with a plurality of grooves 6 for accommodating the balls 5. Specifically, four strip grooves 6 are formed in each guide rail 2, the strip grooves 6 are formed in the guide rails 2 along the extending direction of the guide rails 2, one strip groove 6 is formed in each of the two sides of the top and the two sides of the bottom of the guide rails 2, and two balls 5 are arranged in each strip groove 6. Through setting up bar groove 6 for ball 5 can inlay and establish in bar groove 6 and roll, avoided ball 5 direct butt at the surface of guide rail 2 and make ball 5 receive great pressure.

In this embodiment, the bracket 1 includes a fixing portion 11 and a telescopic portion 12, and the telescopic portion 12 is slidably inserted into the fixing portion 11; the height adjusting mechanism 4 comprises a plurality of first positioning holes 41, a plurality of second positioning holes 42 and fasteners 43, wherein the first positioning holes 41 are formed in the fixed part 11, and the plurality of first positioning holes 41 are arranged at intervals along the sliding direction of the telescopic part 12; the second positioning hole 42 is formed on the telescopic part 12, and the fastening piece 43 can be arranged in the first positioning hole 41 and the second positioning hole 42 in a penetrating manner; the guide rail 2 is provided on the telescopic portion 12.

Specifically, the fixing portion 11 and the telescopic portion 12 are two, the fixing portion 11 and the telescopic portion 12 are square tubes, the two fixing portions 11 are arranged vertically in parallel, the bracket 1 further comprises four connecting pieces, and two ends of each connecting piece are welded with one fixing portion 11, so that the two fixing portions 11 are fixed relatively. A telescopic part 12 is movably coaxially inserted into the top of each fixing part 11. Seven first positioning holes 41 are formed in each fixing portion 11, one second positioning hole 42 is formed in each telescopic portion 12, the fastening piece 43 is a bolt, and the fastening piece 43 penetrates through the first positioning holes 41 and the second positioning holes 42, so that the telescopic portions 12 and the fixing portions 11 are fixed relatively. When the height of the guide rail 2 needs to be adjusted, the fastening piece 43 is firstly taken out from the first positioning hole 41 and the second positioning hole 42, then the length of the telescopic part 12 extending out of the fixing part 11 is slidingly adjusted, when the height of the guide rail 2 reaches the required height, and the second positioning hole 42 and the first positioning hole 41 are aligned Ji Tongzhou again, the fastening piece 43 is inserted into the first positioning hole 41 and passes through the second positioning hole 42, and at the moment, the telescopic part 12 and the fixing part 11 are in a relatively fixed state again. Therefore, the height adjusting mechanism 4 in the present embodiment can make the guide rail 2 have seven different heights, so that the machining center spindle dismounting auxiliary device can perform auxiliary spindle dismounting operation for seven machining centers with different specifications.

Example 2

Referring to fig. 2, in an embodiment 2 of a spindle dismounting auxiliary device for a machining center according to the present utility model, the difference between the embodiment and the embodiment 1 is that a cross beam 7 is provided at the bottom of the bracket 1, and legs 8 are provided at both ends of the cross beam 7.

Specifically, the support legs 8 are in a truncated cone shape, the number of the support legs 8 is two, and the two support legs 8 are symmetrically arranged at two ends of the cross beam 7 by taking the support 1 as a symmetry axis. The clearance sets up stabilizer blade 8, can make whole device stand when standing on ground more firm.

In this embodiment, the leg 8 is connected to the cross beam 7 by a distance adjusting mechanism 9. Through setting up distance adjustment mechanism 9, can adjust the distance between stabilizer blade 8 and the crossbeam 7, on the basis of high adjustment mechanism 4, reach the effect of further adjusting the guide rail 2 height, can make whole machining center main shaft dismouting auxiliary device like this can carry out the operation of supplementary dismantlement main shaft to the machining center of multiple different model specifications.

In this embodiment, the distance adjusting mechanism 9 includes a screw 91, a first nut 92, a second nut 93, and a third nut 94; one end of the screw 91 is penetrated through the cross beam 7, and the other end is penetrated through the support leg 8; the third nut 94 is threaded on the screw 91 in a threaded fit manner, the third nut 94 is positioned at the bottom of the cross beam 7, the first nut 92 is threaded on the screw 91 in a threaded fit manner, and the first nut 92 is positioned at the top of the cross beam 7; the second nut 93 is threaded onto the screw 91 by a threaded engagement, and the second nut 93 is located on top of the leg 8.

Specifically, the first nut 92 and the third nut 94 fixedly sandwich the cross member 7, so that the cross member 7 and the screw 91 are relatively fixed. When it is necessary to further raise the height of the rail 2 precisely, the first nut 92 is first screwed so that the first nut 92 moves toward the top of the screw 91 until it moves to the target height, and then the third nut 94 is screwed so that the third nut 94 holds the cross beam 7 up until the cross beam 7 abuts against the first nut 92, and the bracket 1 moves upward together with the cross beam 7 so that the height of the rail 2 is raised. When it is necessary to further precisely lower the height of the guide rail 2, the third nut 94 is first screwed so that the third nut 94 moves toward the leg 8, and the cross beam 7 is lowered together with the third nut 94 until it moves to the target height; then the first nut 92 is screwed until the first nut 92 abuts against the cross beam 7 again, so that the effect of fixing the cross beam 7 is achieved, and the bracket 1 moves downwards together with the cross beam 7, so that the height of the guide rail 2 is reduced. Because the screw 91 is in threaded fit connection with the first nut 92 and the second nut 93, when the height of the guide rail 2 is adjusted by the distance adjusting mechanism 9, the effect of stepless adjustment can be achieved, and the device is accurate.

In this embodiment, the device further comprises a reinforcing rib 10, one end of the reinforcing rib 10 is connected with the cross beam 7, and the other end is connected with the bracket 1. Specifically, two reinforcing ribs 10 are welded symmetrically about the bracket 1 at both ends in the longitudinal direction of the cross member 7, so that the strength of connection between the cross member 7 and the bracket 1 can be increased.

Example 3

Referring to fig. 3, in an embodiment 3 of a spindle dismounting auxiliary device for a machining center according to the present utility model, the difference between this embodiment and embodiment 2 is that one end of the guide rail 2 is connected to the bracket 1, the other end is provided with an abutting plate 13 for abutting against an end face where a spindle mounting hole of the machining center is located, and the abutting plate 13 is provided with a fixing hole 14.

Specifically, the abutting plate 13 is welded on the end surface of the guide rail 2 far away from the bracket 1, the area of the abutting plate 13 is larger than the cross-sectional area of the guide rail 2, when in use, the height of the guide rail 2 is firstly adjusted, then the abutting plate 13 abuts against the end surface of the bottom of the spindle mounting hole of the machining center, and then the abutting plate 13 is fixed with the machining center through the fixing hole 14 by using the fastener 43 such as a bolt, so that the guide rail 2 can be kept stable in the process of disassembling the spindle.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The main shaft dismounting auxiliary device of the machining center is characterized by comprising a support (1), wherein a plurality of guide rails (2) parallel to main shaft mounting holes are arranged on the support (1), a plurality of supporting pieces (3) for placing the main shaft are slidably arranged on the guide rails (2), and a height adjusting mechanism (4) for adjusting the height of the guide rails (2) is further arranged on the support (1);

the bracket (1) comprises a fixed part (11) and a telescopic part (12), wherein the telescopic part (12) is inserted in the fixed part (11) in a sliding way; the height adjusting mechanism (4) comprises a plurality of first positioning holes (41), a plurality of second positioning holes (42) and fasteners (43), wherein the first positioning holes (41) are formed in the fixed part (11), and the plurality of first positioning holes (41) are arranged at intervals along the sliding direction of the telescopic part (12); the second positioning hole (42) is formed in the telescopic part (12), and the fastening piece (43) can be arranged in the first positioning hole (41) and the second positioning hole (42) in a penetrating mode; the guide rail (2) is arranged on the telescopic part (12).

2. The auxiliary device for dismounting the main shaft of the machining center according to claim 1, wherein the supporting piece (3) comprises a sliding block (31) and a supporting block (33), a sliding groove (34) is formed in the sliding block (31), and the guide rail (2) is slidably clamped in the sliding groove (34); the support block (33) is arranged on the sliding block (31), and a clamping groove (32) for clamping the main shaft is formed in the support block (33).

3. The machining center spindle attachment/detachment assisting device according to claim 2, characterized in that the slider (31) is provided with a plurality of balls (5) on an inner wall of the chute (34).

4. A machining center spindle attachment/detachment aid according to claim 3, characterized in that the guide rail (2) is provided with a number of grooves (6) for receiving balls (5).

5. The auxiliary device for dismounting the main shaft of the machining center according to claim 1, wherein a cross beam (7) is arranged at the bottom of the bracket (1), and support legs (8) are arranged at two ends of the cross beam (7).

6. Machining center spindle attachment/detachment aid according to claim 5, characterized in that the foot (8) is connected to the cross beam (7) by means of a distance adjustment mechanism (9).

7. The machining center spindle attachment/detachment assisting device according to claim 6, characterized in that the distance adjusting mechanism (9) includes a screw (91), a first nut (92), a second nut (93) and a third nut (94); one end of the screw rod (91) is penetrated through the cross beam (7), and the other end is penetrated through the support leg (8); the third nut (94) is arranged on the screw rod (91) in a penetrating mode through threaded matching, the third nut (94) is located at the bottom of the cross beam (7), the first nut (92) is arranged on the screw rod (91) in a penetrating mode through threaded matching, and the first nut (92) is located at the top of the cross beam (7); the second nut (93) is arranged on the screw rod (91) in a penetrating mode through threaded fit, and the second nut (93) is arranged on the top of the supporting leg (8).

8. The machining center spindle dismounting auxiliary device according to claim 6, further comprising a reinforcing rib (10), wherein one end of the reinforcing rib (10) is connected with the cross beam (7), and the other end is connected with the bracket (1).

9. Machining center spindle dismounting auxiliary device according to any one of claims 1-8, characterized in that one end of the guide rail (2) is connected with the bracket (1), the other end is provided with an abutting plate (13) for abutting against the end face where the machining center spindle mounting hole is located, and the abutting plate (13) is provided with a fixing hole (14).