CN116442010B - Large-scale digit control machine tool based on spare part processing - Google Patents
Large-scale digit control machine tool based on spare part processing Download PDFInfo
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- CN116442010B CN116442010B CN202310730219.6A CN202310730219A CN116442010B CN 116442010 B CN116442010 B CN 116442010B CN 202310730219 A CN202310730219 A CN 202310730219A CN 116442010 B CN116442010 B CN 116442010B
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- 238000012545 processing Methods 0.000 title claims abstract description 61
- 238000003754 machining Methods 0.000 claims abstract description 143
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 230000001360 synchronised effect Effects 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- B23Q37/00—Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a large-scale numerical control machine tool based on part machining, and relates to the technical field of numerical control machine tools. The invention comprises a processing guide frame, a double-station processing mechanism and a cutter fixing mechanism, wherein the top and the bottom of the processing guide frame are respectively provided with a processing channel; the double-station machining mechanism is arranged in the machining guide frame and can move back and forth along the machining guide frame, and the front station and the rear station of the double-station machining mechanism are used for clamping and fixing parts; the cutter fixing mechanisms are symmetrically arranged on the upper side and the lower side of the processing guide frame, the two cutter fixing mechanisms move in opposite directions, and the cutter fixing mechanisms are opposite to the corresponding processing channels. According to the invention, the cutter fixing mechanisms are arranged on the upper side and the lower side of the processing guide frame, and the processing driving system is arranged to control the synchronous opposite movement of the upper cutter fixing mechanism and the lower cutter fixing mechanism, so that the synchronous processing of the upper surface and the lower surface of the part can be realized when the processing driving system operates for one period, and the processing efficiency of the part is greatly improved.
Description
Technical Field
The invention belongs to the technical field of numerical control machine tools, and particularly relates to a large-scale numerical control machine tool based on part machining.
Background
An automatic machine tool that performs control operations by a program is called a numerical control machine tool, and is capable of controlling the machine tool to perform various operations according to a set control program to realize machining of parts.
The existing numerical control machine tool generally only can finish the processing of one surface of a part in a single action, and can not realize the simultaneous processing of the upper surface and the lower surface of the part through the single action of a machine tool sheet, and the part can be continuously reprocessed only by turning over the part, so that the processing efficiency of the part is greatly reduced; meanwhile, after the existing numerical control machine tool finishes machining a part, the part is detached to replace a new part to be machined for machining, and the waste of time intervals in the machining process can greatly reduce the machining progress of machining of a large number of parts.
Therefore, we provide a large-scale numerical control machine tool based on part processing, which is used for solving the technical problems in the above.
Disclosure of Invention
The invention aims to provide a large-scale numerical control machine tool based on part machining, which solves the problems in the background technology through the specific design of a machining guide frame, a double-station machining mechanism, a cutter fixing mechanism, a machining driving system, a direction-adjusting driving system and a station switching system.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a large-scale numerical control machine tool based on part machining, which comprises a machining guide frame, a double-station machining mechanism and a cutter fixing mechanism, wherein machining channels are formed in the top and the bottom of the machining guide frame; the double-station machining mechanism is arranged in the machining guide frame in a sliding manner and can move back and forth along the machining guide frame, and the front station and the rear station of the double-station machining mechanism are used for clamping and fixing parts to be machined; the cutter fixing mechanisms are symmetrically arranged on the upper side and the lower side of the machining guide frame, the two cutter fixing mechanisms move in opposite directions, and the cutter fixing mechanisms are opposite to the corresponding machining channels.
When the double-station machining mechanism moves backwards to the position of the front station and the part to be machined moves to the machining channel, the two cutter fixing mechanisms synchronously move towards the inner side of the machining guide frame, so that the synchronous machining of the upper surface and the lower surface of the part to be machined at the front station is realized; when the double-station machining mechanism moves forwards to the position of the rear station and the part to be machined moves to the machining channel, the two cutter fixing mechanisms synchronously move to the inner side of the machining guide frame, so that the synchronous machining of the upper surface and the lower surface of the part to be machined at the rear station is realized.
As a preferable technical scheme, the invention further comprises a machine tool base, wherein the top of the machine tool base is connected with a rectangular frame through a supporting frame; the top and the bottom of the rectangular frame are both rotationally connected with a linkage shaft, one end of the linkage shaft is fixedly provided with a linkage gear positioned on the outer side of the rectangular frame, the other end of the linkage shaft is slidably provided with a linkage sleeve positioned on the inner side of the rectangular frame, and the inner wall of the linkage sleeve is provided with a limiting channel which is slidably matched with a limiting column on the peripheral side surface of the linkage shaft.
As a preferable technical scheme of the invention, a connecting disc is fixedly arranged on the peripheral side surface of the linkage sleeve, the surface of the connecting disc is rotationally connected with a rotating seat, and a first elastic piece is arranged between the rotating seat and the rectangular frame; one side of the linkage sleeve away from the first elastic component is provided with a mounting frame, the surface of the mounting frame is rotationally connected with a fixing column, one end of the fixing column is fixedly connected with the linkage sleeve, and the other end of the fixing column is fixedly connected with a cutter fixing mechanism.
As a preferable technical scheme of the invention, the invention also comprises a processing driving system; the processing driving system comprises a processing driving motor arranged on the inner wall of the rectangular rack, a processing gear is connected to an output shaft of the processing driving motor, processing toothed plates with opposite extending directions are meshed and transmitted on two sides of the processing gear, the processing toothed plates are arranged on the side wall of the processing guide frame in a sliding mode, and a linkage seat clamped with a corresponding installation frame is fixed at one end of each processing toothed plate.
As a preferable technical scheme of the invention, the invention also comprises a direction-regulating driving system; the steering driving system comprises a steering double-shaft motor arranged on the outer wall of the rectangular frame, two output shafts of the steering double-shaft motor are connected with steering gears, steering toothed plates arranged on the outer surface of the rectangular frame in a sliding manner are in meshed transmission on the peripheral sides of the steering gears, and the steering toothed plates are in meshed transmission with corresponding linkage gears.
As a preferable technical scheme, the invention further comprises a station switching system, wherein the station switching system comprises a switching motor arranged on the outer wall of the processing guide frame, and the output shaft of the switching motor is connected with a switching gear; the double-station machining mechanism comprises two annular station seats, the annular station seats are connected through a tangential plate, a guide channel is arranged on the side wall of the tangential plate, a guide seat which is in sliding fit with the guide channel is fixedly arranged on the inner wall of a machining guide frame, and a station switching toothed plate which is meshed with a switching gear and is driven is fixedly arranged at the bottom of the tangential plate.
As a preferable technical scheme of the invention, a plurality of arc-shaped cavities are uniformly distributed in the annular station seat in the annular direction, an arc-shaped slideway communicated with the corresponding arc-shaped cavity is arranged at the top of the annular station seat, and a radial opening communicated with the corresponding arc-shaped cavity is arranged on the inner wall of the annular station seat; the inner side of the annular station seat is annularly provided with clamping assemblies corresponding to the arc-shaped cavities one by one, each clamping assembly comprises two guide shafts fixed on the inner wall of the annular station seat, a clamping seat is slidably arranged between the guide shafts, and the side wall, far away from the annular station seat, of each clamping seat is provided with a clamping opening and a radial supporting seat; the clamping seat is characterized in that a second elastic piece is connected between a supporting plate fixed between the guide shafts and a clamping seat, a radial shaft in sliding fit with the supporting plate is fixed on the surface of the clamping seat, and a first magnet in sliding fit with a corresponding radial opening is fixed at one end of the radial shaft.
As a preferable technical scheme of the invention, the double-station processing mechanism further comprises magnetic force reinforcing components which are in one-to-one correspondence with the annular station seats; the magnetic force reinforcing assembly comprises a supporting ring attached to the top of the corresponding annular station seat, a sliding seat in sliding fit with the corresponding arc-shaped slideway is fixed at the bottom of the supporting ring, a moving seat in sliding fit with the corresponding arc-shaped cavity is fixed at the bottom of the sliding seat, an arc-shaped elastic piece connected with the corresponding moving seat is arranged in the arc-shaped cavity, and the surface of the moving seat is arranged on a second magnet which is magnetically repelled with the corresponding first magnet.
As a preferable technical scheme of the invention, the cutter fixing mechanism comprises a cutter fixing seat, a cutter inserting cavity is arranged at the bottom of the cutter fixing seat, and a limit baffle attached to the surface of a processing cutter is fixed on the inner wall of the cutter inserting cavity close to the bottom; the inner wall of the cutter insertion cavity is provided with a first slideway and a second slideway corresponding to the first slideway, and the first slideway is communicated with the corresponding second slideway through a third slideway; the tool is characterized in that a moving part is arranged in the first slideway, a fastening pressing part matched with the second slideway is arranged in the tool inserting cavity, and an inclined pushing plate is hinged between the moving part and the corresponding fastening pressing part.
As a preferable technical scheme of the invention, one end of the moving part is rotationally connected with a positioning bolt in threaded fit with the cutter fixing seat, a sliding rod matched with a third sliding way is arranged between the first sliding way and the second sliding way, one end of the sliding rod is fixedly connected with the corresponding moving part, and the other end of the sliding rod is fixedly provided with a pushing rod for horizontally pushing the fastening pressing part.
The invention has the following beneficial effects:
according to the invention, the cutter fixing mechanisms are arranged on the upper side and the lower side of the processing guide frame, and the processing driving system is arranged to control the synchronous opposite movement of the upper cutter fixing mechanism and the lower cutter fixing mechanism, so that the synchronous processing of the upper surface and the lower surface of the part can be realized when the processing driving system operates for one period, the processing efficiency of the part is greatly improved, and the turnover of the part is not required, so that the working intensity of operators is reduced.
According to the invention, the double-station processing mechanism is arranged on the inner side of the processing guide frame, and the station switching system for controlling the double-station processing mechanism to move forwards and backwards is arranged, so that the parts at the front side station can be directly installed on the parts at the rear side station during processing, the rear side station is switched to the processing position of the machine tool after the parts at the front side station are processed, and at the moment, the new parts at the front side station are supplemented while the parts at the rear side station are processed, and the time waste in the processing process of the parts is greatly reduced by the mode of switching the processing stations, so that the processing efficiency of the whole numerical control machine tool is improved.
According to the invention, the direction-adjusting driving system is arranged, so that when the machining treatment on the surfaces of the parts in different directions after the position fixing is required, the synchronous rotation of the upper cutter fixing mechanism and the lower cutter fixing mechanism can be realized under the action of the direction-adjusting driving system, and the machining directions of the upper cutter and the lower cutter can be synchronously adjusted, so that different machining requirements can be met.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a large-scale numerical control machine tool based on part machining.
Fig. 2 is a top view of the structure of fig. 1.
Fig. 3 is a schematic view of a portion of the structure of fig. 1.
Fig. 4 is a side view of the structure of fig. 3.
Fig. 5 is a front view of the structure of fig. 3.
Fig. 6 is a schematic view of a portion of the structure of fig. 3.
Fig. 7 is a schematic structural view of a processing guide frame in the present invention.
Fig. 8 is a front view of the structure of fig. 7.
Fig. 9 is a view showing the cooperation between the tool fixing mechanism and the machining tool according to the present invention.
Fig. 10 is an internal structural view of the tool fixing mechanism in the present invention.
FIG. 11 is a schematic diagram of a dual-station processing mechanism according to the present invention.
Fig. 12 is a schematic view of a portion of the structure of fig. 11.
Fig. 13 is a cross-sectional view of the transverse structure of fig. 12.
FIG. 14 is a schematic view of a magnetic reinforcement assembly according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1-machining guide frame, 2-machining channel, 3-duplex working mechanism, 301-annular station seat, 302-tangential plate, 303-guide channel, 304-station switching toothed plate, 305-arc cavity, 306-arc slideway, 4-tool fixing mechanism, 401-tool fixing seat, 402-tool inserting cavity, 403-limit baffle, 404-first slideway, 405-second slideway, 406-moving piece, 407-fastening pressing piece, 408-oblique push plate, 409-positioning bolt, 410-slide bar, 411-push bar, 5-machine tool base, 6-rectangular frame, 7-linkage gear, 8-linkage sleeve, 9-connecting disc, 10-first elastic piece, 11-mounting frame, the device comprises a 12-machining driving system, a 121-machining driving motor, a 122-machining gear, a 123-machining toothed plate, a 124-linkage seat, a 13-steering driving system, a 131-steering double-shaft motor, a 132-steering gear, a 133-steering toothed plate, a 14-station switching system, a 141-switching motor, a 142-switching gear, a 15-guide seat, a 16-clamping component, a 161-guide shaft, a 162-clamping seat, a 163-clamping opening, a 164-radial supporting seat, a 165-supporting plate, a 166-second elastic piece, a 17-magnetic force reinforcing component, a 171-supporting ring, a 172-sliding seat, a 173-moving seat, a 174-arc-shaped elastic piece, a 175-second magnet and a 18-machining tool.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Detailed description of the preferred embodiments
Referring to fig. 1-14, the invention discloses a large-scale numerical control machine tool based on part machining, which comprises a machining guide frame 1, a double-station machining mechanism 3 and a cutter fixing mechanism 4, wherein the top and the bottom of the machining guide frame 1 are respectively provided with a machining channel 2, and parts are machined at the position between the upper machining channel 2 and the lower machining channel 2 (namely machining stations);
the double-station processing mechanism 3 is arranged in the processing guide frame 1 in a sliding manner, can move back and forth along the processing guide frame 1, and is used for clamping and fixing parts to be processed by two front and rear stations (a front station and a rear station respectively) of the double-station processing mechanism 3; the parts on the rear side station can be supplemented when the front side station moves to the processing channel 2, and when the parts on the front side station finish processing and the rear side station moves to the processing channel 2, the parts on the front side station finish processing are taken down and new parts to be processed are reinstalled;
the cutter fixing mechanisms 4 are symmetrically arranged on the upper side and the lower side of the machining guide frame 1, the two cutter fixing mechanisms 4 move in opposite directions, the cutter fixing mechanisms 4 are arranged opposite to the corresponding machining channels 2, and the two cutter fixing mechanisms 4 can synchronously move close to realize synchronous machining treatment of the upper surface and the lower surface of a part at a machining station through the specific structure;
when the double-station machining mechanism 3 moves backwards to the position of the front station and the part to be machined moves to the position of the machining channel 2, the two cutter fixing mechanisms 4 synchronously move towards the inner side of the machining guide frame 1 to realize synchronous machining of the upper surface and the lower surface of the part to be machined at the front station, and at the moment, the double-station machining mechanism 3 moves forwards to enable the part to be machined at the rear station to move to the position of the machining channel 2;
when the double-station machining mechanism 3 moves forwards to the position of the rear station and the part to be machined moves to the position of the machining channel 2, the two cutter fixing mechanisms 4 synchronously move towards the inner side of the machining guide frame 1, so that the synchronous machining of the upper surface and the lower surface of the part to be machined at the rear station is realized.
In the embodiment of the invention, the invention also comprises a machine tool base 5, and the top of the machine tool base 5 is connected with a rectangular frame 6 through a supporting frame; the top and the bottom of the rectangular frame 6 are both rotationally connected with a linkage shaft, one end of the linkage shaft is fixedly provided with a linkage gear 7 positioned at the outer side of the rectangular frame 6, the other end of the linkage shaft is slidably provided with a linkage sleeve 8 positioned at the inner side of the rectangular frame 6, and the inner wall of the linkage sleeve 8 is provided with a limit channel which is slidably matched with a limit column on the peripheral side surface of the linkage shaft; with this structure, when the linkage shaft is driven by external force, the rotation of the linkage shaft can drive the linkage sleeve 8 to rotate together.
The connecting disc 9 is fixedly arranged on the side face of the periphery of the linkage sleeve 8, the surface of the connecting disc 9 is rotationally connected with a rotating seat, and a first elastic piece 10 is arranged between the rotating seat and the rectangular frame 6, so that the first elastic piece 10 cannot be distorted when the linkage sleeve 8 rotates along with the linkage shaft through the structural arrangement;
one side of the linkage sleeve 8 far away from the first elastic piece 10 is provided with a mounting frame 11, the surface of the mounting frame 11 is rotationally connected with a fixed column, one end of the fixed column is fixedly connected with the linkage sleeve 8, and the other end of the fixed column is fixedly connected with the cutter fixing mechanism 4; through this structure setting for can drive cutter fixed establishment 4 together rotation when linkage sleeve 8 rotates, linkage shaft, linkage sleeve 8 and cutter fixed establishment 4 are synchronous rotation all the time.
In this embodiment of the invention, the invention also includes a process drive system 12; the machining driving system 12 comprises a machining driving motor 121 mounted on the inner wall of the rectangular frame 6, a machining gear 122 is connected to an output shaft of the machining driving motor 121, machining toothed plates 123 with opposite extending directions are meshed and driven on two sides of the machining gear 122, the machining toothed plates 123 are slidably arranged on the side wall of the machining guide frame 1 (positioning of the two machining toothed plates 123 is achieved), and a linkage seat 124 clamped with the corresponding mounting frame 11 is fixed at one end of the machining toothed plates 123; when the part to be machined moves to the machining station, the control system of the numerical control machine tool controls the machining driving motor 121 to start automatically, the two machining toothed plates 123 are driven to move towards the direction close to each other (namely, the machining toothed plates 123 at the lower part move upwards and the machining toothed plates 123 at the upper part move downwards) under the rotation of the machining gear 122, and then the two cutter fixing mechanisms 4 arranged up and down are driven to move towards the part synchronously, so that synchronous machining treatment of the upper surface and the lower surface of the part is realized, and after machining is finished, the two cutter fixing mechanisms 4 automatically move and reset according to a control program, and at the moment, the control system controls the machining driving motor 121 to be closed.
Second embodiment
On the basis of the first embodiment, the invention further comprises a steering driving system 13; the direction-adjusting driving system 13 comprises a direction-adjusting double-shaft motor 131 arranged on the outer wall of the rectangular frame 6, two output shafts of the direction-adjusting double-shaft motor 131 are connected with a direction-adjusting gear 132, a direction-adjusting toothed plate 133 which is arranged on the outer surface of the rectangular frame 6 in a sliding manner is meshed and driven on the periphery of the direction-adjusting gear 132, and the direction-adjusting toothed plate 133 is meshed and driven with the corresponding linkage gear 7;
when the machining direction of the surface of the part needs to be changed, the control system of the numerical control machine controls the turning double-shaft motor 131 to start, the corresponding turning toothed plate 133 is driven to horizontally move towards the outer side of the rectangular frame 6 under the rotation of the turning gear 132, and then the linkage gear 7 is driven to rotate through the turning toothed plate 133, so that synchronous rotation of the two cutter fixing mechanisms 4 is realized, the machining requirements of different angles of the surface of the part can be met, and after the two cutter fixing mechanisms 4 rotate to the required angle, the control system controls the turning double-shaft motor 131 to close.
Detailed description of the preferred embodiments
On the basis of the first embodiment, the invention also comprises a station switching system 14, wherein the station switching system 14 comprises a switching motor 141 arranged on the outer wall of the processing guide frame 1, and a switching gear 142 is connected with the output shaft of the switching motor 141;
the double-station processing mechanism 3 comprises two annular station seats 301, the annular station seats 301 are connected through a tangential plate 302, a guide channel 303 is arranged on the side wall of the tangential plate 302, a guide seat 15 which is in sliding fit with the guide channel 303 is fixedly arranged on the inner wall of the processing guide frame 1, the double-station processing mechanism 3 can stably move back and forth through the structure, and a station switching toothed plate 304 which is in meshed transmission with the switching gear 142 is fixedly arranged at the bottom of one tangential plate 302; the installation of the parts on the rear side station can be directly carried out when the parts on the front side station are machined, after the parts on the front side station are machined, the numerical control machine tool control system is started according to the program control switch motor 141, the rear side station is moved to the machining position of the machine tool under the cooperation of the switch gear 142 and the station switch toothed plate 304, at the moment, the control system controls the switch motor 141 to be closed, the new parts on the front side station are finished when the parts on the rear side station are machined, after the parts on the rear side station are machined, the numerical control machine tool control system is started again according to the program control switch motor 141, the front side station is moved to the machining position of the machine tool under the cooperation of the switch gear 142 and the station switch toothed plate 304, at the moment, the new parts on the rear side station are finished when the parts on the front side station are machined, the waste of time in the machining process of the parts is greatly reduced through the mode of switching the machining stations, the automation of the parts is realized, and therefore the machining efficiency of the whole machine tool is improved.
In the embodiment of the invention, a plurality of arc-shaped cavities 305 are uniformly distributed in the annular station base 301 in the annular direction, an arc-shaped slideway 306 communicated with the corresponding arc-shaped cavity 305 is arranged at the top of the annular station base 301, and a radial port communicated with the corresponding arc-shaped cavity 305 is arranged on the inner wall of the annular station base 301;
the clamping assemblies 16 which are in one-to-one correspondence with the arc-shaped cavities 305 are arranged on the inner side of the annular station seat 301 in the circumferential direction, each clamping assembly 16 comprises two guide shafts 161 fixed on the inner wall of the annular station seat 301, clamping seats 162 are slidably arranged between the guide shafts 161, clamping openings 163 and radial supporting seats 164 are arranged on the side wall, far away from the annular station seat 301, of each clamping seat 162, parts are supported on the plurality of radial supporting seats 164 distributed in the circumferential direction in the processing process, and meanwhile, the clamping openings 163 on the clamping seats 162 are tightly matched with the circumferential sides of the parts (annular or disc-shaped parts);
a second elastic member 166 is connected between the support plate 165 fixed between the guide shafts 161 and the clamping seat 162, a radial shaft slidingly matched with the support plate 165 is fixed on the surface of the clamping seat 162, a first magnet slidingly matched with a corresponding radial opening is fixed at one end of the radial shaft, when the second elastic member 166 is in a natural state, the first magnet is positioned in a corresponding arc-shaped cavity 305, and each clamping seat 162 is close to the inner wall of the annular station seat 301.
In this embodiment of the invention, the duplex machining means 3 further comprises magnetic reinforcement assemblies 17 in one-to-one correspondence with the annular station holders 301; the magnetic force reinforcing assembly 17 comprises a supporting ring 171 attached to the top of the corresponding annular station seat 301, a sliding seat 172 in sliding fit with the corresponding arc-shaped slideway 306 is fixed at the bottom of the supporting ring 171, a moving seat 173 in sliding fit with the corresponding arc-shaped cavity 305 is fixed at the bottom of the sliding seat 172, an arc-shaped elastic piece 174 connected with the corresponding moving seat 173 is arranged in the arc-shaped cavity 305, and the surface of the moving seat 173 is arranged on a second magnet 175 which is magnetically repulsed with the corresponding first magnet; when the second magnet 175 corresponds to the first magnet position, the arc-shaped elastic member 174 is in a compressed state, thereby causing the moving seat 173 to be defined at the first magnet; when the part to be processed is required to be mounted on the front side station or the rear side station, the supporting ring 171 can be rotated to enable the second magnet 175 to deviate from the corresponding first magnet, at the moment, the magnetic repulsive force of the first magnet disappears, the first magnet is gradually reset to the inside of the arc-shaped cavity 305 under the elastic restoring force of the second elastic piece 166, each clamping seat 162 is close to the position of the inner wall of the annular station seat 301, after the part to be processed is aligned to the clamping fixing position inside the annular station seat 301, the external force applied to the supporting ring 171 is gradually released, the second magnet 175 is reset to the first magnet under the elastic restoring force of the arc-shaped elastic piece 174, and the clamping seat 162 is firmly clamped to the periphery side of the part under the strong magnetic repulsive force of the second magnet 175 to the first magnet, so that stable clamping limitation of the part is realized.
Detailed description of the preferred embodiments
On the basis of the first embodiment, the tool fixing mechanism 4 comprises a tool fixing seat 401, a tool inserting cavity 402 is formed in the bottom of the tool fixing seat 401, and a limit baffle 403 attached to the surface of the machining tool 18 is fixed on the inner wall of the tool inserting cavity 402 close to the bottom;
a first slide way 404 and a second slide way 405 corresponding to the first slide way 404 are arranged on the inner wall of the cutter insertion cavity 402, and the first slide way 404 is communicated with the corresponding second slide way 405 through a third slide way;
the first slideway 404 is internally provided with a moving part 406, the cutter inserting cavity 402 is internally provided with a fastening pressing part 407 matched with the second slideway 405, and an inclined pushing plate 408 is hinged between the moving part 406 and the corresponding fastening pressing part 407.
In this embodiment of the present invention, one end of the moving member 406 is rotatably connected with a positioning bolt 409 in threaded engagement with the tool holder 401, a slide bar 410 in engagement with the third slide is disposed between the first slide 404 and the second slide 405, one end of the slide bar 410 is fixedly connected with the corresponding moving member 406, and the other end of the slide bar 410 is fixedly provided with a pushing rod 411 for horizontally pushing the fastening pressing member 407; when it is necessary to replace the machining tool 18, after a new machining tool 18 is inserted into the tool insertion cavity 402, the positioning bolt 409 is screwed by a tool so that the positioning bolt 409 pushes the moving member 406 to move toward the position close to the machining tool 18, the tightening pressing member 407 is pressed obliquely upward by the pushing force of the oblique pushing plate 408, thereby providing an obliquely upward pressure to the machining tool 18, and simultaneously, the horizontal pushing force of the pushing rod 411 to the tightening pressing member 407 provides a horizontal pressure to the machining tool 18, thereby realizing stable definition of the machining tool 18, and the machining tool 18 is tightly fixed on the tool fixing seat 401.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. Large-scale digit control machine tool based on spare part processing, characterized by, include:
the machining guide frame (1), wherein machining channels (2) are formed in the top and the bottom of the machining guide frame (1);
the double-station machining mechanism (3) is arranged in the machining guide frame (1) in a sliding manner, and can move back and forth along the machining guide frame (1), and the front and back stations of the double-station machining mechanism (3) are used for clamping and fixing parts to be machined; and
the cutter fixing mechanisms (4) are symmetrically arranged on the upper side and the lower side of the machining guide frame (1), the two cutter fixing mechanisms (4) move in opposite directions, and the cutter fixing mechanisms (4) are opposite to the corresponding machining channels (2);
when the double-station machining mechanism (3) moves backwards to the position of the front station and the part to be machined moves to the machining channel (2), the two cutter fixing mechanisms (4) synchronously move towards the inner side of the machining guide frame (1) so as to realize synchronous machining of the upper surface and the lower surface of the part to be machined at the front station;
when the double-station machining mechanism (3) moves forwards to the position of the rear station and the part to be machined moves to the machining channel (2), the two cutter fixing mechanisms (4) synchronously move to the inner side of the machining guide frame (1) so as to realize synchronous machining of the upper surface and the lower surface of the part to be machined at the rear station;
the machine tool comprises a machine tool base (5), and a rectangular frame (6) is connected to the top of the machine tool base (5) through a supporting frame;
also comprises a machining driving system (12); wherein,,
the machining driving system (12) comprises a machining driving motor (121) arranged on the inner wall of the rectangular frame (6), a machining gear (122) is connected to an output shaft of the machining driving motor (121), machining toothed plates (123) with opposite extending directions are meshed and transmitted on two sides of the machining gear (122), the machining toothed plates (123) are slidably arranged on the side wall of the machining guide frame (1), and a linkage seat (124) clamped with a corresponding mounting frame (11) is fixed at one end of the machining toothed plates (123);
also comprises a steering driving system (13); wherein,,
the direction-adjusting driving system (13) comprises a direction-adjusting double-shaft motor (131) arranged on the outer wall of the rectangular rack (6), two output shafts of the direction-adjusting double-shaft motor (131) are connected with direction-adjusting gears (132), a direction-adjusting toothed plate (133) arranged on the outer surface of the rectangular rack (6) in a sliding manner is meshed and transmitted on the periphery of the direction-adjusting gears (132), and the direction-adjusting toothed plate (133) and a corresponding linkage gear (7) are meshed and transmitted;
the automatic processing device further comprises a station switching system (14), wherein the station switching system (14) comprises a switching motor (141) arranged on the outer wall of the processing guide frame (1), and a switching gear (142) is connected with an output shaft of the switching motor (141);
the double-station machining mechanism (3) comprises two annular station bases (301), the annular station bases (301) are connected through a tangential plate (302), a guide channel (303) is formed in the side wall of the tangential plate (302), a guide base (15) which is in sliding fit with the guide channel (303) is fixedly arranged on the inner wall of the machining guide frame (1), and a station switching toothed plate (304) which is in meshed transmission with a switching gear (142) is fixedly arranged at the bottom of the tangential plate (302).
2. The large-scale numerical control machine tool based on part machining according to claim 1, wherein,
the utility model discloses a rectangular rack, including rectangular rack (6), linkage sleeve (8), spacing post sliding fit's spacing channel on linkage sleeve (8) inner wall, rectangular rack (6) top and bottom all rotate and are connected with the universal driving axle, universal driving axle one end is fixed to be provided with and is located linkage gear (7) in rectangular rack (6) outside, the universal driving axle other end slides and is provided with and is located linkage sleeve (8) of rectangular rack (6), spacing post sliding fit on the universal driving axle week side has been seted up to linkage sleeve (8) inner wall.
3. The large-scale numerical control machine tool based on part machining according to claim 2 is characterized in that a connecting disc (9) is fixedly arranged on the peripheral side surface of the linkage sleeve (8), a rotating seat is rotatably connected to the surface of the connecting disc (9), and a first elastic piece (10) is arranged between the rotating seat and the rectangular frame (6);
one side of the linkage sleeve (8) away from the first elastic piece (10) is provided with a mounting frame (11), the surface of the mounting frame (11) is rotationally connected with a fixing column, one end of the fixing column is fixedly connected with the linkage sleeve (8), and the other end of the fixing column is fixedly connected with the cutter fixing mechanism (4).
4. The large-scale numerical control machine tool based on part machining according to claim 1, wherein a plurality of arc-shaped cavities (305) are uniformly distributed in the annular station base (301) in the circumferential direction, an arc-shaped slideway (306) communicated with the corresponding arc-shaped cavity (305) is arranged at the top of the annular station base (301), and a radial port communicated with the corresponding arc-shaped cavity (305) is formed in the inner wall of the annular station base (301);
clamping components (16) corresponding to the arc-shaped cavities (305) one by one are arranged on the inner side of the annular station seat (301) in the circumferential direction, each clamping component (16) comprises two guide shafts (161) fixed on the inner wall of the annular station seat (301), clamping seats (162) are slidably arranged between the guide shafts (161), and clamping ports (163) and radial supporting seats (164) are formed in the side walls, far away from the annular station seat (301), of the clamping seats (162);
a second elastic piece (166) is connected between a supporting plate (165) and a clamping seat (162) which are fixed between the guide shafts (161), a radial shaft which is in sliding fit with the supporting plate (165) is fixed on the surface of the clamping seat (162), and a first magnet which is in sliding fit with a corresponding radial opening is fixed at one end of the radial shaft.
5. The large-scale numerical control machine tool based on part machining according to claim 4, wherein the double-station machining mechanism (3) further comprises magnetic force reinforcing components (17) which are in one-to-one correspondence with the annular station bases (301); wherein,,
the magnetic force reinforcing assembly (17) comprises a supporting ring (171) attached to the top of the corresponding annular station seat (301), a sliding seat (172) in sliding fit with the corresponding arc-shaped slideway (306) is fixed to the bottom of the supporting ring (171), a moving seat (173) in sliding fit with the corresponding arc-shaped cavity (305) is fixed to the bottom of the sliding seat (172), an arc-shaped elastic piece (174) connected with the corresponding moving seat (173) is arranged in the arc-shaped cavity (305), and the surface of the moving seat (173) is arranged on a second magnet (175) which is magnetically repulsed from the corresponding first magnet.
6. The large-scale numerical control machine tool based on part machining according to claim 5, wherein the tool fixing mechanism (4) comprises a tool fixing seat (401), a tool inserting cavity (402) is formed in the bottom of the tool fixing seat (401), and a limit baffle (403) attached to the surface of a machining tool (18) is fixed on the inner wall of the tool inserting cavity (402) close to the bottom;
a first slide way (404) and a second slide way (405) corresponding to the first slide way (404) are arranged on the inner wall of the cutter inserting cavity (402), and the first slide way (404) is communicated with the corresponding second slide way (405) through a third slide way;
the novel tool is characterized in that a moving part (406) is arranged in the first slideway (404), a fastening pressing part (407) matched with the second slideway (405) is arranged in the tool inserting cavity (402), and an inclined pushing plate (408) is hinged between the moving part (406) and the corresponding fastening pressing part (407).
7. The large-scale numerical control machine tool based on part machining according to claim 6, wherein one end of the moving member (406) is rotatably connected with a positioning bolt (409) in threaded fit with the tool fixing seat (401), a sliding rod (410) in fit with a third sliding way is arranged between the first sliding way (404) and the second sliding way (405), one end of the sliding rod (410) is fixedly connected with the corresponding moving member (406), and the other end of the sliding rod (410) is fixedly provided with a pushing rod (411) for horizontally pushing the fastening pressing member (407).
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