CN108705327B - Hollow harmonic platform for processing timepiece case - Google Patents
Hollow harmonic platform for processing timepiece case Download PDFInfo
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- CN108705327B CN108705327B CN201810828916.4A CN201810828916A CN108705327B CN 108705327 B CN108705327 B CN 108705327B CN 201810828916 A CN201810828916 A CN 201810828916A CN 108705327 B CN108705327 B CN 108705327B
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- platform
- flange
- shell
- cover
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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
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Machine Tool Units (AREA)
Abstract
The application provides a hollow harmonic platform for processing a clock shell, and relates to the field of clocks. The hollow harmonic platform for processing the clock shell comprises a clamp, a turbine worm output mechanism, a mounting tailstock and a rotating platform; the rotary platform comprises a shell and an adjustable speed hollow motor; the adjustable main hollow motor comprises a hollow main shaft; the hollow explosion-proof pipe is inserted in the main shaft, and the cable or the air pipe can penetrate from the first end of the hollow explosion-proof pipe to the second end of the hollow explosion-proof pipe in the hollow accommodating cavity; the adjustable speed hollow motor is used for driving the flange of the flange assembly to rotate; the flange plate is used for installing the clamp; the cylinder brake assembly is used for stopping rotation of the flange plate; the outer shell is sleeved outside the adjustable-speed hollow motor; the output rotating shaft of the worm and gear output mechanism is connected with one side of the shell, and the other side of the shell is connected with the rotating end of the installation tailstock. The application solves the technical problem that the air pipe or wire and the like of the existing turntable are easy to interfere when the turntable rotates.
Description
Technical Field
The application relates to the technical field of clock processing, in particular to a hollow harmonic platform for processing a clock shell.
Background
The watch comprises a dial plate, a watch case and other important parts, and is usually processed by a numerical control turntable, but the existing clamping is performed by adopting a universal clamp, and the universal clamp can clamp a mobile phone part although the universal clamp can clamp the watch case part and other unique structures, so that the clamping is unreliable and the processing is influenced.
The numerical control turntable provides a revolving coordinate for a machining center and a numerical control machine tool, and the turntable or the dividing head is driven by the fourth shaft and the fifth shaft to finish equal-division, unequal-division or continuous revolving machining, so that complex curved surface machining is finished, and the original machining range of the machine tool is enlarged. The revolving stage of the numerical control revolving stage on the market at present adopts ordinary servo motor, and its trachea, line are exposed outside easily fragile and easily interfere with the work piece, and in revolving stage rotatory working process, these trachea, line can take place to twine, when trachea, line twine on the revolving stage, influence the rotation of revolving stage, influence machining precision even.
Based on the above, the present application provides a hollow harmonic platform for processing a timepiece case to solve the above technical problems.
Disclosure of Invention
The application aims to provide a hollow harmonic platform for processing a clock shell, which solves the technical problem that the rotation of a turntable is easily affected by interference when an air pipe and the like of the turntable for processing the clock shell are exposed to external rotation.
Based on the above object, the application provides a hollow harmonic platform for processing a clock case, comprising a clamp, a mounting plate, a worm gear output mechanism, a mounting tailstock and a rotating platform;
the clamp is used for installing a clock shell;
the rotary platform comprises a shell and an adjustable speed hollow motor;
the adjustable-speed hollow motor comprises a hollow main shaft; the cable or the air pipe can penetrate from the first end of the hollow explosion-proof pipe to the second end of the hollow explosion-proof pipe in the hollow accommodating cavity and is fixedly connected through the fixing device; the lower end of the main shaft is sleeved with a rear cover;
the upper end of the hollow explosion-proof pipe is provided with a flange plate assembly and a cylinder brake assembly, and the lower end of the hollow explosion-proof pipe penetrates through the rear cover;
the adjustable speed hollow motor is used for driving the flange of the flange assembly to rotate; the flange plate is used for installing the clamp; the central hole of the flange plate is communicated with the hollow explosion-proof pipe;
the cylinder brake assembly is used for stopping rotation of the flange plate;
the shell is sleeved outside the adjustable-speed hollow motor; the cylinder brake assembly is arranged at one end of the shell; the rear cover is covered at the other end of the shell;
the worm and gear output mechanism and the mounting tailstock are mounted on the mounting plate;
the output rotating shaft of the worm gear output mechanism is connected with one side of the shell, and the other side of the shell is connected with the rotating end of the installation tailstock.
Optionally, the adjustable speed hollow motor further comprises a stator and rotor assembly;
the rotor assembly is connected with the main shaft, and the stator is sleeved on the outer side of the rotor assembly;
the rotor assembly comprises a rotor, a front pressing plate and a rear pressing plate, wherein the rotor is fixedly connected with the main shaft, and the front pressing plate and the rear pressing plate are respectively arranged on two sides of the rotor.
Optionally, the speed-adjustable hollow motor further comprises a speed reducer, the speed reducer comprises a wave generator, a rigid wheel and a flexible wheel, the wave generator is sleeved on the hollow explosion-proof pipe, the rigid wheel is fixedly connected with the wave generator, and the flexible wheel is in transmission connection with the rigid wheel; the end part of the wave generator is connected with the main shaft through a holding block;
the flexible wheel drives the flange plate to rotate.
Optionally, the upper end of main shaft still is provided with the cushion, be provided with the centre bore on the cushion, just the cushion is used for right play the cushioning effect between main shaft and the speed reducer.
Optionally, a baffle ring is disposed along the circumference of the main shaft, and the baffle ring abuts under the rear pressing plate.
Optionally, the flange plate assembly comprises a flange end cover, a rotating member and the flange plate; the rotating piece is sleeved on the hollow explosion-proof pipe;
the center of the flange end cover is provided with a flange end cover center hole, and the rotating piece is inserted into the flange end cover center hole;
the periphery of the rotating piece is provided with a circle of annular protruding part, the flange end cover is covered on the annular protruding part, and the inner wall of the flange end cover is rotationally connected with the outer wall of the annular protruding part through a bearing;
the upper end face of the annular protruding part is provided with an annular groove close to the rotating part, a circle of annular protrusion is arranged at the position of the flange end cover corresponding to the annular groove, the outer wall of the annular protrusion is abutted with the outer wall of the annular groove, and a framework oil seal is arranged in a gap between the inner wall of the annular protrusion and the outer edge of the rotating part;
the lower end face of the flange plate is fixedly connected with the upper end face of the rotating piece;
the upper end face of the flange plate is provided with the clamp.
Optionally, the cylinder brake assembly comprises a circular cylinder body, and an annular hole for the hollow explosion-proof pipe to pass through is formed in the center of the cylinder body;
a circle of annular groove is further formed in the upper end face of the cylinder body around the central axis of the cylinder body, and an annular piston is embedded in the annular groove;
an air passage is further formed in the cylinder body, one end of the air passage is provided with an air vent at the bottom of the annular groove and is led to the lower end face of the annular piston, and the other end of the air passage is provided with an air inlet at the periphery of the cylinder body;
the upper end face of the cylinder body is covered with a brake upper end cover, the center of the brake upper end cover is provided with a center hole, and the rotating piece is inserted into the center hole; a brake pad is clamped between the brake upper end cover and the cylinder body; the lower end face of the brake upper end cover is provided with a groove, the brake block is embedded in the groove, the lower end face of the brake block is abutted with the upper end face of the annular piston, and the upper end face of the brake block is abutted with the lower end face of the rotating piece; the center of the brake pad is also provided with an annular hole for the spindle to pass through;
the brake upper end cover is fixedly connected with the flange end cover, and the cylinder body is fixedly arranged at the upper end of the shell.
Optionally, the fixture comprises a workpiece placement platform, a positioning mounting plate, an arm plate and a first positioning mechanism; the workpiece placement platform is provided with a workpiece placement groove, a containing cavity for containing a first positioning mechanism is arranged at the position, close to at least one side of the workpiece placement groove, of the workpiece placement platform, the first positioning mechanism can move along the direction perpendicular to the end face of a workpiece to compress or release the workpiece, the positioning installation plate is connected with one side of the workpiece placement platform through an arm plate, the containing cavity is provided with a first air passage for connecting the first positioning mechanism, and the positioning installation plate is provided with a second air passage which can be communicated with the first air passage and an air passage in the hollow explosion-proof pipe; the positioning mounting plate is fixedly connected with the flange plate.
Optionally, the first positioning mechanism comprises an air cylinder and a fixed clamping arm, the air cylinder is arranged in the accommodating cavity, and an air inlet and an air outlet of the air cylinder are respectively communicated with the corresponding first air channels; the fixed clamping arms are arranged on two sides of the workpiece placing groove; the work end of the fixed clamping arm presses the workpiece, and the connecting end of the fixed clamping arm is connected with a piston rod of the air cylinder.
Optionally, an encoder assembly is disposed against the rear cover;
the encoder assembly comprises a rear end cover which is rotationally connected with the main shaft through a bearing; the outer edge of the rear end cover is clamped between the shell and the rear cover;
the encoder assembly further comprises an encoder and a PG card, wherein the PG card is electrically connected with the encoder; the encoder is connected with the main shaft;
the encoder and the outer cover of the PG card are provided with a protective cover; the protective cover is mounted on the rear cover.
According to the hollow harmonic platform for processing the clock shell, provided by the application, the flange plate is driven to rotate through the adjustable-speed hollow motor, so that the clamp is driven to rotate. Meanwhile, as the output rotating shaft of the worm and gear output mechanism is connected with one side of the shell, the swinging of the fixture channel can be realized, and multi-angle processing can be realized.
Meanwhile, the motor main shaft is hollow, sleeved with the explosion-proof pipe, and internally provided with a step wire or an air pipe through clamp, the air pipe and the like can rotate internally. Therefore, the air pipe and the wire are prevented from being wound on the turntable or interfering with a workpiece, the wire winding is prevented from influencing the rotation of the turntable, the machining precision is ensured, the air pipe and the wire are prevented from being exposed, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a hollow harmonic platform for machining a timepiece case according to an embodiment of the application;
FIG. 2 is an exploded view of the hollow harmonic platform of the process timepiece case of FIG. 1;
FIG. 3 is a cross-sectional view of the hollow harmonic platform of the process timepiece case of FIG. 2;
FIG. 4 is a partial cross-sectional view of the hollow harmonic platform of the process timepiece case of FIG. 3;
FIG. 5 is a cross-sectional view of the flange assembly of the hollow harmonic platform of the process timepiece case of FIG. 2;
FIG. 6 is a cross-sectional view of the brake assembly of the hollow harmonic platform of the process timepiece case of FIG. 2;
FIG. 7 is a cross-sectional view of the hollow harmonic platform speed reducer of the process timepiece case of FIG. 2;
FIG. 8 is a cross-sectional view of the encoder assembly of the hollow harmonic platform of the process timepiece case of FIG. 2;
FIG. 9 is a cross-sectional view of the adjustable speed hollow motor shown in FIG. 2;
FIG. 10 is a schematic view of the adjustable speed hollow motor of FIG. 9;
fig. 11 is a schematic view of the structure of the clamp of fig. 1 for machining the hollow harmonic platform of the timepiece case.
Icon: 1-a mounting plate; 2-a worm and gear output mechanism; 3-installing a tailstock; 4-a housing; a 5-flange assembly; 6-cylinder brake assembly;
100-flange plates; 101-a flange end cover; 102-a rotating member; 103-annular projections; 104-annular protrusions; 105-a first framework oil seal;
200-clamping; 210-a workpiece placement platform; 211-a workpiece placement groove; 212-a first airway; 220-positioning a mounting plate; 221-a second airway; 230-arm plate; 240-a first positioning mechanism; 241-a fixed clamping arm; 242-cylinder;
300-cylinder body; 301-an annular piston; 302-brake upper end cap; 303-a brake pad; 304-a rear cover;
400-stator; 401-rotor; 402-front platen; 403-rear press plate; 404-spindle; 405-hollow explosion-proof pipe; 406-a fixing device;
a 19-wave generator; 20-rigid wheel; 21-flexible wheel; 503-rubber cushion; 504-a retainer ring; 505-hug block;
600-a rear end cover; 601-an encoder; 602-PG card; 603-a protective cover; 604-a transition disc; 605-second framework oil seal.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Hollow harmonic platform embodiment for machining timepiece case
As shown in fig. 1 to 11, there is provided in the present embodiment a hollow harmonic platform for processing a timepiece case including a jig 200, a mounting plate 1, a worm gear output mechanism 2, a mounting tailstock 3, and a rotary platform;
the rotary platform comprises a shell 4 and an adjustable speed hollow motor;
the adjustable speed hollow motor includes a hollow main shaft 404; a hollow explosion-proof pipe 405 is inserted in the main shaft 404, a hollow containing cavity is arranged in the hollow explosion-proof pipe 405, a fixing device 406 is arranged in the hollow containing cavity, and a cable or an air pipe can be penetrated from a first end of the hollow explosion-proof pipe 405 to a second end of the hollow explosion-proof pipe 405 in the hollow containing cavity and is fixedly connected through the fixing device 406; the lower end of the main shaft 404 is sleeved with a rear cover 304;
the upper end of the hollow explosion-proof pipe 405 is provided with a flange plate assembly 5 and a cylinder brake assembly 6, and the lower end penetrates through the rear cover 304;
the adjustable speed hollow motor is used for driving the flange plate 100 of the flange plate assembly 5 to rotate; the flange 100 is used for installing the fixture 200; the central hole of the flange plate 100 is communicated with the hollow explosion-proof pipe 405;
the shell 4 is sleeved outside the adjustable speed hollow motor; the cylinder brake assembly 6 is arranged at one end of the shell 4; the rear cover 304 is covered on the other end of the shell 4;
the worm gear output mechanism 2 and the mounting tailstock 3 are mounted on the mounting plate 1;
the output rotating shaft of the worm gear output mechanism 2 is connected with one side of the shell 4, and the other side of the shell 4 is connected with the rotating end of the installation tailstock 3.
According to the hollow harmonic platform for processing the clock shell, provided by the application, the flange plate 100 is driven to rotate through the adjustable-speed hollow motor, so that the clamp 200 is driven to rotate. Meanwhile, as the output rotating shaft of the worm and gear output mechanism 2 is connected with one side of the shell 4, the swing of the fixture 200 channels can be realized, and multi-angle processing can be realized.
Meanwhile, the motor main shaft 404 of the application is hollow, sleeved with an explosion-proof pipe, and internally can be directly connected with the fixture 200 through a stepping wire or an air pipe. Therefore, the air pipe and the wire are prevented from being wound on the turntable or interfering with a workpiece, the wire winding is prevented from influencing the rotation of the turntable, the machining precision is ensured, the air pipe and the wire are prevented from being exposed, and the service life is prolonged. The fixing device can fix the trachea and the like and prevent mutual interference. The worm and gear output mechanism 2 can adopt the existing motor to drive the worm and gear transmission mode, and the final output shaft drives the shell 4 to rotate. Preferably, the two sides of the shell 4 are respectively provided with a mounting disc, and the mounting discs are respectively mounted with the mounting disc of the worm gear output mechanism 2 and the mounting disc of the mounting tailstock 3 through bolts. The installation tailstock 3 still includes the mounting bracket, and the mounting disc of installation tailstock 3 passes through bearing and pivot, rotates with the mounting bracket to be connected, and the mounting bracket is installed on mounting panel 1.
As shown in fig. 1 to 11, in an alternative of the present embodiment, the adjustable speed hollow motor further includes a stator 400 and a rotor assembly;
the rotor assembly is connected with the main shaft 404, and the stator 400 is sleeved on the outer side of the rotor assembly;
the rotor assembly comprises a rotor 401, a front pressing plate 402 and a rear pressing plate 403, the rotor 401 is fixedly connected with the main shaft 404, and the front pressing plate 402 and the rear pressing plate 403 are respectively arranged on two sides of the rotor 401.
The rotor 401 generates induced electromotive force after being electrified, and acts as a rotating magnetic field, and generates electromagnetic torque to convert energy into mechanical energy after being combined with the stator 400, so that the four-axis rotation can be driven.
Further, the adjustable speed hollow motor further comprises a speed reducer, the speed reducer comprises a wave generator 19, a rigid wheel 20 and a flexible wheel 21, the wave generator 19 is sleeved on the hollow explosion-proof tube 405, the rigid wheel 20 is fixedly connected with the wave generator 19, and the flexible wheel 21 is in transmission connection with the rigid wheel 20; the end of the wave generator 19 is connected with the main shaft 404 through a holding block 505;
the flexible gear 21 drives the flange plate 100 to rotate.
In this embodiment, the motor rotates, the spindle 404 rotates to drive the wave generator 19 to rotate, the flexible gear 21 serves as a driven wheel, the output is transmitted to drive the load to move, the load is the flange 100, and the speed reducer drives the flange 100 and the clamp 200 to synchronously rotate. The clasping block 505 can make the connection stronger.
Further, a rubber pad 503 is further disposed at the upper end of the main shaft 404, a central hole is disposed on the rubber pad 503, and the rubber pad 503 is used for buffering the main shaft 404 and the speed reducer.
The rubber pad 503 is used for buffering the main shaft 404 and the speed reducer, and reducing vibration.
Further, a stop ring 504 is provided along the circumferential direction of the main shaft 404, and the stop ring 504 abuts under the rear platen 403.
The front pressing plate 402 can play a role in fixing the front end of the rotor 401, the rear pressing plate 403 can play a role in fixing the rear end of the rotor 401, and the baffle ring 504 plays a role in fixing the rotor.
As shown in fig. 1 to 11, in an alternative of the present embodiment, the flange assembly 5 includes a flange 100, a flange end cap 101, and a rotating member 102; the central hole of the flange plate 100 is communicated with the hollow explosion-proof pipe 405, and the rotating member 102 is sleeved on the hollow explosion-proof pipe 405;
the center of the flange end cover 101 is provided with a central hole of the flange end cover 101, and the rotating piece 102 is inserted into the central hole of the flange end cover 101;
a circle of annular protruding parts 103 are arranged on the periphery of the rotating piece 102, the flange end cover 101 is covered on the annular protruding parts 103, and the inner wall of the flange end cover 101 is rotationally connected with the outer wall of the annular protruding parts 103 through bearings;
an annular groove is formed in the upper end face of the annular protruding portion 103, close to the rotating piece 102, a circle of annular protrusions 104 are formed in the position, corresponding to the annular groove, of the flange end cover 101, the outer walls of the annular protrusions 104 are abutted to the outer walls of the annular groove, and a first framework oil seal 105 is arranged in a gap between the inner walls of the annular protrusions 104 and the outer edge of the rotating piece 102;
the lower end surface of the flange plate 100 is fixedly connected with the upper end surface of the rotating member 102;
the upper end surface of the flange 100 is provided with the jig 200.
The rotating member 102 is sleeved on the hollow explosion-proof tube 405, preferably, the rotating member 102 is fixedly connected with the flexible gear 21, and is driven by the flexible gear 21, and the rotating member 102 drives the flange plate 100 to rotate. The flange 100 is provided with a clamp 200 to drive the clamp 200 to rotate, and the flange 100 is provided with a central hole, so that threading through a pipe is facilitated. The flange end cap 101 is used for fixing the flange assembly on the brake assembly 6 to protect the bearing and seal. The annular projection 103 is provided for facilitating the installation of the first frame oil seal 105, thereby enhancing the sealing effect.
Further, the cylinder brake assembly 6 includes a circular cylinder body 300, and an annular hole for the hollow explosion-proof tube 405 to pass through is formed in the center of the cylinder body 300;
a circle of annular groove is further formed in the upper end face of the cylinder body 300 around the central axis of the cylinder body 300, and an annular piston 301 is embedded in the annular groove;
an air passage is further formed in the cylinder body 300, one end of the air passage is provided with an air vent at the bottom of the annular groove, the air passage leads to the lower end face of the annular piston 301, and the other end of the air passage is provided with an air inlet at the periphery of the cylinder body 300;
the upper end face of the cylinder body 300 is covered with a brake upper end cover 302, the center of the brake upper end cover 302 is provided with a center hole, and the rotating piece 102 is inserted into the center hole; a brake pad 303 is clamped between the brake upper end cover 302 and the cylinder body 300; a groove is formed in the lower end face of the brake upper end cover 302, the brake block 303 is embedded in the groove, the lower end face of the brake block 303 is abutted against the upper end face of the annular piston 301, and the upper end face of the brake block 303 is abutted against the lower end face of the rotating member 102; the center of the brake pad is also provided with an annular hole for the hollow explosion-proof pipe 405 to pass through;
the brake upper end cover 302 is fixedly connected with the flange end cover 101, and the cylinder body 300 is fixedly installed at the upper end of the housing 4.
The annular hole through the center of the cylinder body 300, through which the hollow detonation tube 405 passes, is not yet in contact. Through the air inlet ventilation, the annular piston 301 is jacked up, and the brake upper end cover 302 is mounted on the cylinder body 300 and is fixed, so that the brake upper end cover 302 cannot be jacked up, and therefore the brake pad 303 can only jack the rotating member 102, so that the rotating member 102 is braked, and during processing, the clamp 200 cannot rotate, and the processing precision is ensured.
Further, the fixture 200 includes a workpiece placement platform 210, a positioning mounting plate 220, an arm plate 230, and a first positioning mechanism 240; the positioning and mounting plate 220 is fixedly connected with the flange plate 100.
The workpiece placing platform 210 is provided with a workpiece placing groove 211, the workpiece placing groove 211 is preferably arranged in the middle area of the workpiece placing platform 210, and the workpiece placing groove 211 adopts a through groove, namely penetrates through the thickness of the workpiece placing platform 210, so that the processing requirement on at least two planes of a workpiece is realized;
the workpiece placement platform 210 has a receiving cavity for receiving the first positioning mechanism 240 at a position near at least one side of the workpiece placement groove 211, and the first positioning mechanism 240 can move in a direction perpendicular to the end surface of the workpiece to press or release the workpiece, in this embodiment, the first positioning mechanism 240 is preferably provided with two first positioning mechanisms, which are respectively provided at positions on opposite sides of the workpiece placement groove 211; correspondingly, two accommodating cavities for accommodating the first positioning mechanisms 240 are also required to be arranged, and the number of the accommodating cavities is matched with that of the first positioning mechanisms 240;
the positioning and mounting plate 220 is connected to one side of the workpiece placement platform 210 through an arm plate 230, and the accommodating cavity has first air passages 212 for connecting to a first positioning mechanism 240, in this embodiment, two first air passages 212 are provided, one for air intake and the other for air exhaust.
The positioning and mounting plate 220 is provided with second air channels 221, the number of the second air channels 221 is matched with that of the first air channels 212, namely the second air channels are identical in number, the air outlets of the second air channels 221 are communicated with the air inlets of the first air channels 212 through air pipes, and the air inlets of the second air channels 221 are respectively communicated with the air pipes in the hollow motor; in addition, it should be noted that, in this embodiment, the first air passage and the second air passage are communicated through an air pipe, when the workpiece placement platform rotates, interference influence is not caused, in still another embodiment, a third air passage can be further arranged in the arm plate, the third air passage can directly enable the first air passage and the second air passage to be communicated, and the arrangement mode can omit the use of the air pipe.
The workpiece is pressed through the lifting of the first positioning mechanism, so that the workpiece is convenient to process, and the lifting of the workpiece is realized by adopting a pneumatic piece.
Further, the first positioning mechanism 240 includes an air cylinder 242 and a fixed clamping arm 241, the air cylinder 242 is disposed in the accommodating cavity, and an air inlet and an air outlet of the air cylinder 242 are respectively communicated with the corresponding first air passage 212; the fixed clamping arms 241 are arranged on two sides of the workpiece placing groove 211; the working end of the fixed clamping arm 241 presses the workpiece, and the connecting end of the fixed clamping arm 241 is connected with the piston rod of the air cylinder 242.
The lifting of the fixed clamping arm 241 is realized through the miniature air cylinder 242, because the accommodating cavity is provided with the first air passage 212 used for connecting the first positioning mechanism 240, and the positioning mounting plate 220 is provided with the second air passage 221 which can be communicated with the first air passage 212 and the air pipe in the hollow motor 100, the use of redundant air pipes and air pipe joints is omitted, interference influence caused by the air pipes or the air pipe joints can not be generated when the hollow motor 100 drives the workpiece placing platform 210 to rotate, and the processing quality and the processing efficiency are ensured.
Further, an anti-falling limiting member is further disposed between the connecting end of the fixed clamping arm 241 and the workpiece placement platform 210.
The anti-falling limiting piece is used for preventing the fixed clamping arm 241 from falling off.
Furthermore, the anti-drop limiting part adopts an end pin shaft, one end of the pin shaft is fixedly connected with the workpiece placing platform, the other end of the pin shaft is provided with an annular protruding part 103, and the connecting end of the fixed clamping arm is sleeved on the pin shaft.
The pin shaft is well machined, is convenient to install, and can also conveniently fix the clamping arm 241 to slide.
As in the alternatives of the present embodiment, as shown in fig. 1 to 11, an encoder assembly is provided against the rear cover 304;
the encoder assembly includes a rear end cap 600 rotatably coupled to the spindle 404 via bearings; the outer edge of the rear cover 600 is clamped between the housing 4 and the rear cover 304;
the encoder assembly further comprises an encoder 601 and a PG card 602, wherein the PG card 602 is electrically connected with the encoder 601; the encoder 601 is connected with the main shaft 404;
the encoder 601 and the outer cover of the PG card 602 are provided with a protective cover 603; the protective cover 603 is mounted on the rear cover 304.
The encoder 601 serves to provide data support for the motor, to measure rotational speed power and to program and measure real-time position information, etc.
Further, a transition disc 604 is sleeved on the main shaft 404, and the transition disc 604 is connected with the encoder 601.
The transition plate 604 serves to facilitate installation and measurement.
Further, the rear cover 304 is provided with a placement groove, and the protective cover 603 is arranged in the placement groove; a second framework oil seal 605 is further disposed between the rear cover 304 and the main shaft 404.
The second framework oil seal 605 is used for sealing.
Finally, it should be noted that: it will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The hollow harmonic platform for processing the clock shell is characterized by comprising a clamp, a mounting plate, a worm gear output mechanism, a mounting tailstock and a rotating platform;
the clamp is used for installing a clock shell;
the rotary platform comprises a shell and an adjustable speed hollow motor;
the adjustable-speed hollow motor comprises a hollow main shaft; the cable or the air pipe can penetrate from the first end of the hollow explosion-proof pipe to the second end of the hollow explosion-proof pipe in the hollow accommodating cavity and is fixedly connected through the fixing device; the lower end of the main shaft is sleeved with a rear cover;
the upper end of the hollow explosion-proof pipe is provided with a flange plate assembly and a cylinder brake assembly, and the lower end of the hollow explosion-proof pipe penetrates through the rear cover;
the adjustable speed hollow motor is used for driving the flange of the flange assembly to rotate; the flange plate is used for installing the clamp; the central hole of the flange plate is communicated with the hollow explosion-proof pipe;
the cylinder brake assembly is used for stopping rotation of the flange plate;
the shell is sleeved outside the adjustable-speed hollow motor; the cylinder brake assembly is arranged at one end of the shell; the rear cover is covered at the other end of the shell;
the worm and gear output mechanism and the mounting tailstock are mounted on the mounting plate;
the output rotating shaft of the worm gear output mechanism is connected with one side of the shell, and the other side of the shell is connected with the rotating end of the installation tailstock;
the flange plate assembly comprises a flange end cover, a rotating piece and a flange plate; the rotating piece is sleeved on the hollow explosion-proof pipe;
the center of the flange end cover is provided with a flange end cover center hole, and the rotating piece is inserted into the flange end cover center hole;
the periphery of the rotating piece is provided with a circle of annular protruding part, the flange end cover is covered on the annular protruding part, and the inner wall of the flange end cover is rotationally connected with the outer wall of the annular protruding part through a bearing;
the upper end face of the annular protruding part is provided with an annular groove close to the rotating part, a circle of annular protrusion is arranged at the position of the flange end cover corresponding to the annular groove, the outer wall of the annular protrusion is abutted with the outer wall of the annular groove, and a framework oil seal is arranged in a gap between the inner wall of the annular protrusion and the outer edge of the rotating part;
the lower end face of the flange plate is fixedly connected with the upper end face of the rotating piece;
the upper end face of the flange plate is provided with the clamp;
the fixture comprises a workpiece placement platform, a positioning mounting plate, an arm plate and a first positioning mechanism; the workpiece placement platform is provided with a workpiece placement groove, a containing cavity for containing a first positioning mechanism is arranged at the position, close to at least one side of the workpiece placement groove, of the workpiece placement platform, the first positioning mechanism can move along the direction perpendicular to the end face of a workpiece to compress or release the workpiece, the positioning installation plate is connected with one side of the workpiece placement platform through an arm plate, the containing cavity is provided with a first air passage for connecting the first positioning mechanism, and the positioning installation plate is provided with a second air passage which can be communicated with the first air passage and an air passage in the hollow explosion-proof pipe; the positioning mounting plate is fixedly connected with the flange plate;
the workpiece placing groove is formed in the middle of the workpiece placing platform and is a through groove, and the through groove penetrates through the thickness of the workpiece placing platform.
2. The hollow harmonic platform for machining a timepiece case of claim 1 wherein said adjustable speed hollow motor further comprises a stator and rotor assembly;
the rotor assembly is connected with the main shaft, and the stator is sleeved on the outer side of the rotor assembly;
the rotor assembly comprises a rotor, a front pressing plate and a rear pressing plate, wherein the rotor is fixedly connected with the main shaft, and the front pressing plate and the rear pressing plate are respectively arranged on two sides of the rotor.
3. The hollow harmonic platform for processing a clock and watch case according to claim 2, wherein the speed-adjustable hollow motor further comprises a speed reducer, the speed reducer comprises a wave generator, a rigid gear and a flexible gear, the wave generator is sleeved on the hollow explosion-proof tube, the rigid gear is fixedly connected with the wave generator, and the flexible gear is in transmission connection with the rigid gear; the end part of the wave generator is connected with the main shaft through a holding block;
the flexible wheel drives the flange plate to rotate.
4. A hollow harmonic platform for processing a timepiece case according to claim 3, wherein the upper end of the spindle is further provided with a rubber pad, the rubber pad is provided with a central hole, and the rubber pad is used for buffering between the spindle and a speed reducer.
5. The hollow harmonic platform for machining a timepiece case according to claim 4, wherein a baffle ring is provided along a circumferential direction of the main shaft, the baffle ring abutting under the rear pressure plate.
6. The hollow harmonic platform for machining a timepiece case according to claim 1, wherein said cylinder brake assembly comprises a circular cylinder body, the center of which has an annular hole for the passage of said hollow anti-detonation tube;
a circle of annular groove is further formed in the upper end face of the cylinder body around the central axis of the cylinder body, and an annular piston is embedded in the annular groove;
an air passage is further formed in the cylinder body, one end of the air passage is provided with an air vent at the bottom of the annular groove and is led to the lower end face of the annular piston, and the other end of the air passage is provided with an air inlet at the periphery of the cylinder body;
the upper end face of the cylinder body is covered with a brake upper end cover, the center of the brake upper end cover is provided with a center hole, and the rotating piece is inserted into the center hole; a brake pad is clamped between the brake upper end cover and the cylinder body; the lower end face of the brake upper end cover is provided with a groove, the brake block is embedded in the groove, the lower end face of the brake block is abutted with the upper end face of the annular piston, and the upper end face of the brake block is abutted with the lower end face of the rotating piece; the center of the brake pad is also provided with an annular hole for the spindle to pass through;
the brake upper end cover is fixedly connected with the flange end cover, and the cylinder body is fixedly arranged at the upper end of the shell.
7. The hollow harmonic platform for processing a timepiece case according to claim 1, wherein said first positioning mechanism comprises a cylinder and a fixed clamping arm, said cylinder being disposed in said housing cavity, an air inlet and an air outlet of said cylinder communicating respectively with a corresponding first air passage; the fixed clamping arms are arranged on two sides of the workpiece placing groove; the work end of the fixed clamping arm presses the workpiece, and the connecting end of the fixed clamping arm is connected with a piston rod of the air cylinder.
8. The hollow harmonic platform for machining a timepiece case according to claim 1, wherein an encoder assembly is provided against said back cover;
the encoder assembly comprises a rear end cover which is rotationally connected with the main shaft through a bearing; the outer edge of the rear end cover is clamped between the shell and the rear cover;
the encoder assembly further comprises an encoder and a PG card, wherein the PG card is electrically connected with the encoder; the encoder is connected with the main shaft;
the encoder and the outer cover of the PG card are provided with a protective cover; the protective cover is mounted on the rear cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828916.4A CN108705327B (en) | 2018-07-25 | 2018-07-25 | Hollow harmonic platform for processing timepiece case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828916.4A CN108705327B (en) | 2018-07-25 | 2018-07-25 | Hollow harmonic platform for processing timepiece case |
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| CN108705327A CN108705327A (en) | 2018-10-26 |
| CN108705327B true CN108705327B (en) | 2023-09-12 |
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| CN201810828916.4A Active CN108705327B (en) | 2018-07-25 | 2018-07-25 | Hollow harmonic platform for processing timepiece case |
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| CN108705327A (en) | 2018-10-26 |
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Address after: 510663 Room 101, building a, No. 6, Nanyun 2nd Road, Huangpu District, Guangzhou City, Guangdong Province Applicant after: SMARTGUY INTELLIGENT EQUIPMENT Co.,Ltd. Applicant after: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Address before: 518109 Silicon Valley Power Vehicle Electronic Pioneer Park, 334 Guiyue Road, Guanlanwabei Community, Guanlan Street, Longhua District, Shenzhen City, Guangdong Province Applicant before: SMARTGUY INTELLIGENT EQUIPMENT Co.,Ltd. Applicant before: CONPROFE TECHNOLOGY GROUP Co.,Ltd. |
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