CN113021022A - Assembling method of numerical control turntable - Google Patents
Assembling method of numerical control turntable Download PDFInfo
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- CN113021022A CN113021022A CN202110251810.4A CN202110251810A CN113021022A CN 113021022 A CN113021022 A CN 113021022A CN 202110251810 A CN202110251810 A CN 202110251810A CN 113021022 A CN113021022 A CN 113021022A
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- encoder
- mandrel
- assembling
- brake
- output flange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/52—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair
Abstract
The invention relates to an assembling method of a numerical control turntable, wherein a first brake block and a second brake block are arranged outside a mandrel in a sleeved mode in a stacked mode, the first brake block is fixed on the mandrel, a bearing and a bearing mounting seat are arranged outside the mandrel in a sleeved mode after being assembled, the second brake block is fixed on the bearing mounting seat, an encoder mounting shaft is assembled to one end of the mandrel, an encoder reading head is mounted on a rear cover of an encoder, therefore, the encoder and the second brake block are separated by the bearing and a stator, the second brake block is far away from the encoder, the encoder and the encoder reading head are contained in a containing space formed by the encoder mounting shaft, the rear cover of the encoder and the rear cover in a surrounding mode, and the second brake block and the first brake block cannot pollute the encoder. When the brake cylinder assembly is worn or stuck due to frequent actions and needs to be replaced, the output flange plate is firstly detached, then the brake cylinder assembly is integrally detached, a new brake cylinder assembly is replaced, and the output flange plate is mounted, so that the brake cylinder assembly is convenient and quick to replace.
Description
Technical Field
The invention relates to the technical field of machine tool machining turntables, in particular to an assembling method of a numerical control turntable.
Background
The numerical control turntable is an important machine tool accessory and is mainly applied to a machining center and a numerical control boring and milling machine. The application of the numerical control rotary table provides a rotary coordinate for the machine tool, and the rotary table is driven by the fourth shaft and the fifth shaft to finish equal-division, unequal-division or continuous rotary machining, so that the machining of a complex curved surface becomes possible, and the machining range of the machine tool is expanded.
Traditional numerical control revolving stage because encoder and brake structure all set up at the same one end of output shaft and adjacent setting, so the brake structure produces the pollution to the encoder easily. And in the use process, because the reciprocating motion of the cylinder piston rod of the brake structure is more frequent, the cylinder piston rod of the brake structure is easy to wear and block, and the whole brake cylinder assembly needs to be replaced. And traditional numerical control revolving stage, its structural design leads to changing the cylinder subassembly very inconvenient, and the dismouting process is comparatively loaded down with trivial details.
Disclosure of Invention
Therefore, the assembling method of the numerical control turntable, which aims at the technical problems, is provided, the encoder cannot be polluted by the brake structure, and the brake cylinder assembly is convenient and quick to disassemble and assemble.
The assembling method of the numerical control turntable comprises the following steps:
the first brake pad and the second brake pad are sleeved outside the mandrel in a stacking manner, and the first brake pad is fixed on the mandrel;
the bearing and the bearing mounting seat are assembled and then sleeved outside the mandrel;
the assembled mandrel, the bearing mounting seat and the first brake pad are arranged in the shell, the bearing mounting seat is fixedly connected with the shell, and the second brake pad is fixed on the bearing mounting seat;
a rotor is arranged in the shell and fixedly connected with the mandrel, the rotor and a stator in the shell are oppositely arranged at intervals, and the bearing mounting seat is positioned between the second brake pad and the rotor;
assembling an encoder mounting shaft to one end of the mandrel, wherein the encoder mounting shaft and the second brake pad are separated by a bearing and a stator;
assembling a rear cover of the encoder to one end of the shell, and sleeving the rear cover of the encoder outside an installation shaft of the encoder;
mounting an encoder on an encoder mounting shaft, and mounting an encoder reading head on an encoder rear cover;
assembling the rear cover on the encoder rear cover, and accommodating the encoder and the encoder reading head in an accommodating space defined by the encoder mounting shaft, the encoder rear cover and the rear cover;
sleeving a brake cylinder assembly at one end of the mandrel, which is far away from the encoder mounting shaft, and assembling the brake cylinder assembly outside the shell;
and assembling an output flange plate to one end, far away from the encoder mounting shaft, of the mandrel, wherein the output flange plate is positioned on one side of the brake cylinder assembly.
In one embodiment, the step of nesting the first brake pad and the second brake pad outside the spindle comprises:
the core shaft is sleeved with the second brake pad, the first brake pad and the second brake pad in a stacking mode.
In one embodiment, the step of installing the rotor inside the housing further comprises:
the rotor and the support plate are assembled, and the support plate is locked at one end of the rotor through a threaded fastener.
In one of them embodiment, still include before locating the dabber and keeping away from the one end of encoder installation axle with the brake cylinder subassembly cover and assemble the brake cylinder subassembly, specifically include:
placing the spring into the first accommodating hole of the upper cylinder body;
placing the piston rod in alignment with the upper cylinder;
the piston rod is extruded into the lower cylinder body through the lower cylinder body;
assembling the upper cylinder body and the piston rod;
and assembling the upper cylinder body and the lower cylinder body through a threaded fastener.
In one embodiment, before the step of placing the piston rod in alignment with the upper cylinder, the method further comprises:
and placing the first limiting guide post into the second accommodating hole of the upper cylinder body.
In one embodiment, before the step of placing the spring into the first accommodating hole of the upper cylinder, the method further comprises:
the framework oil seal and the sealing ring are arranged in the upper cylinder body;
the sealing ring is arranged in the lower cylinder body;
the sealing ring is installed in the piston rod.
In one embodiment, the brake cylinder assembly is mounted to the housing by a plurality of threaded fasteners.
In one embodiment, the step of fitting the output flange to an end of the spindle remote from the encoder mounting shaft includes:
mounting a second limiting guide column at one end of the mandrel, which is far away from the encoder mounting shaft;
aligning the limiting hole of the output flange plate with the second limiting guide post, and pre-tightening the output flange plate and the mandrel by using screws;
rotating the mandrel to enable the concentricity of the output flange plate and the mandrel to be within a preset range;
and locking the output flange plate and the mandrel.
In one embodiment, the output flange is concentric with the spindle within 0.01 mm.
In one embodiment, the end face runout of the test output flange is within 0.01mm, and the perpendicularity of the end face of the test output flange and the horizontal plane is within 0.015 mm.
The assembling method of the numerical control turntable at least has the following advantages:
the first brake block and the second brake block are sleeved outside the mandrel in a stacking mode, the first brake block is fixed on the mandrel, the first brake block rotates along with the rotation of the mandrel, the bearing and the bearing mounting seat are sleeved outside the mandrel after being assembled, the second brake block is fixed on the bearing mounting seat, the second brake block is in a static state, the encoder mounting shaft is assembled to one end of the mandrel, the encoder mounting shaft is used for mounting an encoder, the encoder reading head is mounted on the encoder rear cover, therefore, the encoder and the second brake block are isolated by the bearing and a stator, the second brake block is far away from the encoder, the encoder and the encoder reading head are accommodated in the encoder mounting shaft, the encoder rear cover and the rear cover jointly enclose an accommodating space, and therefore the second brake block and the first brake block cannot pollute the encoder. When the brake cylinder assembly is worn or stuck due to frequent actions and needs to be replaced, the output flange plate is firstly detached, then the brake cylinder assembly is integrally detached, a new brake cylinder assembly is replaced, and the output flange plate is mounted, so that the brake cylinder assembly is convenient and quick to replace.
Drawings
FIG. 1 is a schematic structural diagram of a numerically controlled turntable according to an embodiment;
FIG. 2 is a schematic structural diagram of another view angle of the numerically controlled turntable shown in FIG. 1;
FIG. 3 is a perspective cross-sectional view of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a flowchart illustrating an assembling method of a numerical control turntable according to an embodiment.
In the figure, 10, a numerical control turntable; 100. a housing; 200. a mandrel; 300. a rear cover; 400. an output flange plate; 510. a rotor; 520. a stator; 610. an encoder; 620. an encoder installation shaft; 710. a brake cylinder assembly; 720. a brake pad assembly; 711. a piston rod; 721. a first brake pad; 722. a second brake pad; 712. a spring; 640. a rear cover of the encoder; 810. a bearing; 820. a bearing mount; 713. an upper cylinder body; 714. a lower cylinder body; 410. and a second limit guide post.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Referring to fig. 1 and 2, a numerical control turntable 10 according to an embodiment is mainly used for carrying a workpiece during a machining process of a machine tool. Referring to fig. 3 and 4, the numerical control turntable 10 of the present embodiment includes a housing 100, a spindle 200, a motor assembly, an encoder assembly, a rear cover 300, a brake assembly, and an output flange 400.
The housing 100 is hollow and has two open ends, and one end of the core shaft 200 is inserted into the housing 100. The motor assembly is sleeved on the mandrel 200 and located inside the casing 100. Specifically, the motor assembly includes a rotor 510 and a stator 520, the stator 520 is fixed inside the housing 100, the rotor 510 is fixed on the spindle 200, and the stator 520 is disposed opposite to the rotor 510 with a gap therebetween.
The encoder assembly includes encoder 610 and encoder installation axle 620, and encoder 610 sets up on encoder installation axle 620, and encoder installation axle 620 is fixed in the one end that dabber 200 inserted the casing 100 inside. The encoder mounting shaft 620 is primarily used to mount the encoder 610, and the encoder mounting shaft 620 and the encoder 610 rotate with the rotation of the spindle 200.
The back cover 300 is installed on the encoder mounting shaft 620 at an end away from the spindle 200, and the back cover 300 is mainly used for covering the encoder 610 and preventing the encoder 610 from being exposed and damaged.
The brake assembly comprises a brake cylinder assembly 710 and a brake block assembly 720, the brake cylinder assembly 710 is sleeved on one end of the spindle 200 far away from the encoder 610 assembly and is mounted at one end of the shell 100, the brake block assembly 720 is located between the brake cylinder assembly 710 and the motor assembly, the brake cylinder assembly 710 can move back and forth to abut against the brake block assembly 720, and the motor assembly is located between the brake assembly and the encoder 610 assembly.
The output flange 400 is mounted to the end of the spindle 200 remote from the encoder 610 assembly, and the brake cylinder assembly 710 is located between the output flange 400 and the housing 100.
Above-mentioned numerical control revolving stage 10, because encoder installation axle 620 is fixed in the dabber 200 and inserts the inside one end of casing 100, encoder 610 sets up on encoder installation axle 620, the one end that the encoder subassembly was kept away from to dabber 200 is located to brake cylinder subassembly 710 cover, and install in the one end of casing 100, brake block subassembly 720 is located between brake cylinder subassembly 710 and the motor element, the motor element is located between brake block subassembly and the encoder subassembly, consequently, brake block subassembly and encoder subassembly are separated, it is more far away to leave, the dust that produces can not produce the pollution to the encoder subassembly because of the friction among the brake block braking process, avoid influencing the precision of encoder subassembly. The output flange 400 is mounted to the end of the spindle 200 remote from the encoder assembly and the brake cylinder assembly 710 is located between the output flange 400 and the housing 100. When the brake cylinder assembly 710 needs to be replaced, the output flange 400 is detached, then the brake cylinder assembly 710 is detached, then a new brake cylinder assembly 710 is replaced, and the output flange 400 is mounted, so that the replacement and the installation of the brake cylinder assembly 710 can be completed, and the brake cylinder assembly 710 is convenient and fast.
Further, in this embodiment, the brake cylinder assembly 710 includes a cylinder body and a piston rod 711, the piston rod 711 can reciprocate relative to the cylinder body, one end of the piston rod 711 can abut against the brake pad assembly 720, and the output flange 400 is located on a side of the cylinder body opposite to the piston rod 711. In this embodiment, a static clamping manner is adopted, and when the spindle 200 stops rotating, the piston rod 711 extends to abut against the brake pad assembly 720 for clamping, so as to prevent the spindle 200 and the output flange 400 from rotating.
Further, the brake block assembly 720 includes a first brake block 721 and a second brake block 722, the first brake block 721 and the second brake block 722 are disposed opposite to each other at an interval, the first brake block 721 is mounted on the spindle 200, and the second brake block 722 is mounted on the housing 100. The first brake 721 rotates with the rotation of the spindle 200, and the second brake 722 is fixed on the bearing mount 820. For example, the first brake pad 721 may be detachably mounted to the spindle 200 by a screw, and the second brake pad 722 may be detachably mounted to the housing 100 by a screw.
Specifically, the brake pad assembly 720 includes two first brake pads 721 and a second brake pad 722, the two first brake pads 721 are respectively located on two sides of the second brake pad 722, a pad is added during assembly, the assembly is performed in a manner of first brake pad 721-pad-second brake pad 722-first brake pad 721-pad, a manner of double first brake pads 721 braking is realized, the clamping braking force is larger, and the pad is mainly used for ensuring that the first brake pads 721 and the second brake pad 722 are pressed uniformly by screws.
Further, a spring 712 is provided between the cylinder and the piston rod 711, one end of the spring 712 abuts against the cylinder, and the other end of the spring 712 abuts against the piston rod 711. When the numerical control rotary table 10 does not work, the spindle 200 and the output flange 400 are ensured not to rotate, and at the moment, the piston rod 711 is pressed down by the spring 712 to abut against the brake component so as to be self-locked. When the numerical control rotary table 10 needs to work, air is introduced into the cylinder body, the spring 712 is loosened, and the mandrel 200 can rotate freely.
Further, a sealing ring is disposed between the cylinder and the mandrel 200 to prevent foreign matter, moisture and oil mist from entering the inside of the housing 100. Specifically, the seal ring may be a skeletal oil seal.
Further, the encoder assembly further comprises an encoder reading head and an encoder rear cover 640, the encoder reading head is fixed on the encoder rear cover 640, and the encoder reading head is used for being matched with the encoder 610 to acquire the rotating speed and the position of the mandrel 200 in real time. The encoder read head is located on the encoder back cover 640 and covered by the back cover 300 to prevent the encoder read head from being exposed and damaged.
Further, a sealing ring is further disposed between the rear cover 300 and the encoder mounting shaft 620, and the sealing ring is used for preventing external impurities and water vapor from entering the inside of the casing 100 through a gap between the rear cover 300 and the encoder mounting shaft 620. The sealing ring can be a framework oil seal.
Further, the numerical control turntable 10 further includes a bearing 810 and a bearing mounting seat 820, the bearing 810 is sleeved outside the mandrel 200, the bearing mounting seat 820 is used for mounting the bearing 810, and the bearing mounting seat 820 is fixed inside the housing 100. The bearing 810 is sleeved outside the mandrel 200 for ensuring smooth rotation of the mandrel 200. The second brake block is installed on the bearing mount pad, namely, the second brake block is fixed on the shell through the bearing mount pad.
Further, the output flange 400 assembly is removably mounted to one end of the mandrel 200 by fasteners. For example, the output flange 400 may be removed and installed by a plurality of socket head cap screws with the end of the spindle 200 remote from the encoder 610.
Referring to fig. 5, there is also provided an assembling method of the numerical control turntable 10, including the following steps:
in step S100, the first brake block 721 and the second brake block 722 are stacked and sleeved outside the spindle 200, and the first brake block 721 is fixed on the spindle 200. Specifically, the first brake pad 721, the pad, the second brake pad 722, the first brake pad 721 and the pad are sleeved outside the spindle 200 in a stacking manner. The first brake pad 721 is fixed to the spindle 200 by 24 screws.
Step S200, the bearing 810 and the bearing mounting seat 820 are assembled and then sleeved outside the mandrel 200.
Step S300, the assembled spindle 200, the bearing 810, the bearing mounting seat 820 and the first brake pad 721 are installed in the housing 100, the bearing mounting seat 820 is fixedly connected with the housing 100, and the second brake pad 722 is fixed on the bearing mounting seat 820. Specifically, the second brake pad 722 is fixed to the bearing mount 820 by 24 screws.
Step S400, the rotor 510 is installed inside the housing 100, the rotor 510 is fixedly connected to the spindle 200, the rotor 510 and the stator 520 in the housing 100 are oppositely disposed at an interval, and the bearing mounting seat 820 is located between the second brake pad 722 and the rotor 510. Before the rotor 510 is installed in the interior of the housing 100, the rotor 510 is assembled with the support plate, and the support plate is fastened to one end of the rotor 510 by a threaded fastener.
In step S500, the encoder mounting shaft 620 is assembled to one end of the spindle 200, and the encoder mounting shaft 620 and the second brake pad 722 are separated by the bearing 810 and the stator 520. Specifically, the encoder mounting shaft 620 is fitted to the end of the spindle 200 remote from the second brake pad 722.
Step S600, the encoder rear cover 640 is assembled to one end of the housing 100, and the encoder rear cover 640 is sleeved outside the encoder mounting shaft 620. The encoder back cover 640 is primarily used to mount the encoder readhead.
In step S700, the encoder 610 is mounted on the encoder mounting shaft 620, and the encoder reading head is mounted on the encoder back cover 640. Therefore, the encoder 610 rotates along with the rotation of the mandrel 200, the encoder reading head is fixed on the encoder rear cover 640, and the encoder reading head is matched with the encoder 610 to measure the rotation speed and the position of the mandrel 200 in real time.
Step S800, the rear cover 300 is assembled to the encoder rear cover 640, so that the encoder 610 and the encoder reading head are accommodated in the accommodation space defined by the encoder installation shaft 620, the encoder rear cover 640 and the rear cover 300. The rear cover 300, the mandrel 200 and the encoder rear cover 640 together form an accommodating space, and the encoder 610 and the encoder reading head are both in the accommodating space to prevent the encoder from being exposed and damaged.
In step S900, the brake cylinder assembly 710 is sleeved on the end of the spindle 200 away from the encoder mounting shaft 620, and the brake cylinder assembly 710 is assembled outside the housing 100. The brake cylinder assembly 710 is mounted to the exterior of the housing 100 by a plurality of threaded fasteners. For example, the brake cylinder assembly 710 can be assembled outside the housing 100 by a plurality of hexagon socket head cap screws, thereby facilitating assembly and disassembly. Before step S900, the method further includes the step of assembling the brake cylinder assembly 710:
the framework oil seal and the seal ring are installed into the upper cylinder 713. The framework oil seal is mainly used for ensuring the sealing property between the upper cylinder 713 and the mandrel 200, and the sealing ring is mainly used for ensuring the sealing property between the upper cylinder 713 and the lower cylinder 714. The upper cylinder 713 and the lower cylinder 714 together form a cylinder.
A sealing ring is installed in the lower cylinder 714, and the sealing ring is mainly used for ensuring the sealing between the lower cylinder 714 and the piston rod 711.
A seal ring for securing sealability between the piston rod 711 and the upper cylinder 713 is fitted into the piston rod 711.
The spring 712 is placed in the first accommodating hole of the upper cylinder 713, and the spring 712 is mainly used for extruding the piston rod 711 when the numerical control turntable 10 does not work, so that the piston rod 711 presses the brake pad assembly 720, thereby self-locking the spindle 200 and preventing the spindle 200 from rotating.
A first limit guide post (not shown) is placed in the second receiving hole of the upper cylinder 713, and the first limit guide post is used for limiting and guiding to prevent the piston rod 711 from rotating when reciprocating or prevent the piston rod 711 from tilting.
The piston rod 711 is placed in alignment with the upper cylinder 713. Primarily to ensure that the hole in the piston rod 711 is aligned with the position of the upper cylinder 713 where the spring 712 and the first limit guide post are located.
The piston rod 711 is pushed into the lower cylinder 714 by the lower cylinder 714.
The upper cylinder 713 is assembled with the piston rod 711.
The upper cylinder 713 is assembled with the lower cylinder 714 by a threaded fastener. The upper cylinder 713 and the lower cylinder 714 are fixed to the outside of the housing 100 by screws. The piston rod 711 can reciprocate in a cavity defined by the upper cylinder 713 and the lower cylinder 714 to abut against or not abut against the brake pad assembly 720, so as to achieve the purpose of braking or not braking.
In step S910, the output flange 400 is assembled to the end of the spindle 200 away from the encoder mounting shaft 620, and the output flange 400 is located on one side of the brake cylinder assembly 710. Step S910 specifically includes:
step S911, installing the second limiting guide column 410 at one end of the mandrel 200 far away from the encoder installation shaft 620; the second limiting guide column 410 mainly serves to limit and guide the output flange 400 from rotating freely relative to the spindle 200.
Step S912, aligning the limiting hole of the output flange 400 with the second limiting guide post 410, and pre-tightening the output flange 400 and the mandrel 200 with a screw.
Step S913, the mandrel 200 is rotated to make the concentricity of the output flange 400 and the mandrel 200 within the preset range. The concentricity of the output flange 400 and the mandrel 200 is within 0.01 mm. The end face runout of the test output flange plate 400 is within 0.01mm, and the perpendicularity of the end face of the test output flange plate 400 and the horizontal plane is within 0.015mm, so that the machining precision of a workpiece is guaranteed.
Step S914, the output flange 400 and the mandrel 200 are locked.
The first brake block 721 and the second brake block 722 are stacked and sleeved outside the spindle 200, the first brake block 721 is fixed on the spindle 200, the first brake block 721 rotates along with the rotation of the spindle 200, the bearing 810 and the bearing mounting seat 820 are assembled and then sleeved outside the spindle 200, and the second brake pad 722 is fixed on the bearing mounting seat 820, the second brake pad 722 is in a static state, the encoder mounting shaft 620 is assembled to one end of the spindle 200, the encoder mounting shaft 620 is used for mounting the encoder 610, the encoder reading head is mounted on the encoder rear cover 640, the encoder 610 is therefore separated from the second brake pad 722 by the bearing 810 and the stator 520, so that the second brake pad 722 is spaced further from the encoder 610, and the encoder 610 and the encoder reading head are accommodated in the accommodation space defined by the encoder mounting shaft 620, the encoder rear cover 640 and the rear cover 300, the encoder 610 is not contaminated by the second brake pad 722 and the first brake pad 721. When the brake cylinder assembly 710 is worn or stuck due to frequent movement and needs to be replaced, the output flange 400 is firstly detached, then the brake cylinder assembly 710 is integrally detached, a new brake cylinder assembly 710 is replaced, the output flange 400 is mounted, and the brake cylinder assembly 710 is convenient and quick to replace.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The method for assembling the numerical control turntable is characterized by comprising the following steps of:
the first brake pad and the second brake pad are sleeved outside the mandrel in a stacking manner, and the first brake pad is fixed on the mandrel;
the bearing and the bearing mounting seat are assembled and then sleeved outside the mandrel;
the assembled mandrel, the bearing mounting seat and the first brake pad are arranged in the shell, the bearing mounting seat is fixedly connected with the shell, and the second brake pad is fixed on the bearing mounting seat;
a rotor is arranged in the shell and fixedly connected with the mandrel, the rotor and a stator in the shell are oppositely arranged at intervals, and the bearing mounting seat is positioned between the second brake pad and the rotor;
assembling an encoder mounting shaft to one end of the mandrel, wherein the encoder mounting shaft and the second brake pad are separated by a bearing and a stator;
assembling a rear cover of the encoder to one end of the shell, and sleeving the rear cover of the encoder outside an installation shaft of the encoder;
mounting an encoder on an encoder mounting shaft, and mounting an encoder reading head on an encoder rear cover;
assembling the rear cover on the encoder rear cover, and accommodating the encoder and the encoder reading head in an accommodating space defined by the encoder mounting shaft, the encoder rear cover and the rear cover;
sleeving a brake cylinder assembly at one end of the mandrel, which is far away from the encoder mounting shaft, and assembling the brake cylinder assembly outside the shell;
and assembling an output flange plate to one end, far away from the encoder mounting shaft, of the mandrel, wherein the output flange plate is positioned on one side of the brake cylinder assembly.
2. The method for assembling a numerical control turntable according to claim 1, wherein the step of nesting the first brake pad and the second brake pad outside the spindle comprises:
the core shaft is sleeved with the second brake pad, the first brake pad and the second brake pad in a stacking mode.
3. The method of assembling a numerically controlled turntable according to claim 1, wherein the step of installing the rotor inside the housing further comprises:
the rotor and the support plate are assembled, and the support plate is locked at one end of the rotor through a threaded fastener.
4. The method for assembling the numerical control turntable according to claim 1, wherein before sleeving the brake cylinder assembly on the end of the mandrel away from the encoder mounting shaft, further comprising assembling the brake cylinder assembly, specifically comprising:
placing the spring into the first accommodating hole of the upper cylinder body;
placing the piston rod in alignment with the upper cylinder;
the piston rod is extruded into the lower cylinder body through the lower cylinder body;
assembling the upper cylinder body and the piston rod;
and assembling the upper cylinder body and the lower cylinder body through a threaded fastener.
5. The method for assembling a numerically controlled turntable according to claim 4, wherein the step of placing the piston rod in alignment with the upper cylinder further comprises:
and placing the first limiting guide post into the second accommodating hole of the upper cylinder body.
6. The method for assembling a numerical control turntable according to claim 4, wherein before the step of placing the spring into the first receiving hole of the upper cylinder, the method further comprises:
the framework oil seal and the sealing ring are arranged in the upper cylinder body;
the sealing ring is arranged in the lower cylinder body;
the sealing ring is installed in the piston rod.
7. The method of assembling a numerically controlled turntable according to claim 1, wherein the brake cylinder assembly is assembled outside the housing by a plurality of threaded fasteners.
8. The method of assembling a numerically controlled turntable according to claim 1, wherein the step of fitting the output flange to an end of the spindle remote from the encoder mounting shaft includes:
mounting a second limiting guide column at one end of the mandrel, which is far away from the encoder mounting shaft;
aligning the limiting hole of the output flange plate with the second limiting guide post, and pre-tightening the output flange plate and the mandrel by using screws;
rotating the mandrel to enable the concentricity of the output flange plate and the mandrel to be within a preset range;
and locking the output flange plate and the mandrel.
9. The method of assembling a numerically controlled turntable according to claim 8, wherein the concentricity of the output flange to the spindle is within 0.01 mm.
10. The method for assembling the numerical control turntable according to claim 8, wherein the end face runout of the test output flange is within 0.01mm, and the perpendicularity of the end face of the test output flange and the horizontal plane is within 0.015 mm.
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| CN202110251810.4A CN113021022B (en) | 2021-03-08 | 2021-03-08 | Assembling method of numerical control turntable |
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| CN202110251810.4A CN113021022B (en) | 2021-03-08 | 2021-03-08 | Assembling method of numerical control turntable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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