CN116329975A - Precision machining numerical control equipment for industrial components - Google Patents
Precision machining numerical control equipment for industrial components Download PDFInfo
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- CN116329975A CN116329975A CN202310349890.6A CN202310349890A CN116329975A CN 116329975 A CN116329975 A CN 116329975A CN 202310349890 A CN202310349890 A CN 202310349890A CN 116329975 A CN116329975 A CN 116329975A
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- 238000003754 machining Methods 0.000 title claims abstract description 36
- 238000001125 extrusion Methods 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 abstract description 7
- 230000036541 health Effects 0.000 abstract description 6
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- 239000010687 lubricating oil Substances 0.000 description 12
- 239000003921 oil Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
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- 238000001179 sorption measurement Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 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
- 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
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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
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
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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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
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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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Abstract
The invention belongs to the field of precision machining equipment, in particular to industrial component precision machining numerical control equipment, which comprises a CNC machining center; the top surface of the workbench in the CNC centering is clamped with a connecting seat; the top surface of the connecting seat is fixedly connected with a linear motor; the surface of the output end of the linear motor is fixedly connected with a supporting plate; the top surface of backup pad is provided with electronic three-jaw chuck, and the workman is through starting linear electric motor, and by linear electric motor drive backup pad towards CNC machining center sliding door's direction motion, the workman alright place the central point department at electronic three-jaw chuck this moment with the work piece, later control electronic three-jaw chuck clamp work piece, later drive the backup pad through linear electric motor, transport back the inside of machining center with the work piece that the centre gripping is good again to accomplish and accomplish the processing of work piece, avoided the workman to visit machining center inside with the health from this, and lead to taking place the incident, and then guaranteed the life health of workman.
Description
Technical Field
The invention belongs to the field of precision machining equipment, and particularly relates to digital control equipment for precision machining of industrial components.
Background
Along with the continuous development of technology, the machining of precision parts is advancing continuously, and in the common production process of the precision parts, the parts often need to be machined for multiple times through a numerical control machining center so as to achieve the precision required by the final product.
In the prior art, for the processing of precision parts, production processing is mostly carried out by a numerical control processing center, a workpiece is clamped in a clamp in the processing center by a worker, and the processing surface of the workpiece is milled by a numerical control cutter of the processing center, so that the processing of the workpiece is completed.
In the prior art, a machining surface of a workpiece is machined through a numerical control machining center, but a worker needs to stretch the body into the machining center when carrying out clamping operation, and at the moment, the head of the worker is relatively close to a numerical control cutter, so that safety accidents are very easy to occur.
Therefore, the invention provides the numerical control equipment for precisely machining the industrial components.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a numerical control device for precision machining of industrial components, which comprises a CNC machining center; the top surface of the workbench in the CNC centering is clamped with a connecting seat; the top surface of the connecting seat is fixedly connected with a linear motor; the surface of the output end of the linear motor is fixedly connected with a supporting plate; an electric three-jaw chuck is arranged on the top surface of the supporting plate; the linear motor is a transmission device for directly converting electric energy into linear motion mechanical energy without any intermediate conversion mechanism; during working, in the process of feeding and discharging precise parts through the CNC machining center, workers are required to visit the body into the CNC machining center, potential safety hazards are easy to generate at the moment, so that the embodiment of the invention can be used, the workers can drive the supporting plate to move towards the sliding door of the CNC machining center by starting the linear motor, at the moment, the workers can place the workpiece at the center of the electric three-jaw chuck, then the electric three-jaw chuck is controlled to clamp the workpiece, then the linear motor drives the supporting plate, the clamped workpiece is conveyed back to the inside of the machining center again, machining of the workpiece is completed, and therefore safety accidents caused by the fact that the workers visit the body into the machining center are avoided, and further life and health of the workers are guaranteed.
Preferably, two sides of the supporting plate are provided with symmetrically arranged sliding grooves; a connecting plate is connected in the sliding groove in a sliding way; a sliding rod is fixedly connected between the connecting plates at the top of the supporting plate; the electric three-jaw chuck is in sliding connection with the slide rod; the bottom of the chute is provided with an extrusion plate; a convex rod is connected to the surface of one side of the supporting plate, which is close to the CNC machining center sliding door, in a threaded manner; a plurality of push rods which are uniformly arranged are connected between the convex rods and the extrusion plate in a sliding manner in the support plate; a pair of elastic sheets are fixedly connected between the extrusion plate and the wall of the chute, and the elastic sheets are positioned at two ends of the chute; during operation, CNC machining center is before carrying out processing to the work piece, need carry out the tool setting operation earlier, in order to shorten the time of tool setting, but workman sliding electric three-jaw chuck makes the machined surface of its centre gripping work piece be located the intermediate position of backup pad as far as possible, after electric three-jaw chuck's position is confirmed, workman rotatory protruding pole, extrude the ejector pin through the convex surface of protruding pole, extrude the stripper plate by the ejector pin again, it can not slide in the spout to make it by the stripper plate at last, accomplish the fixed to electric three-jaw chuck position from this, afterwards after moving back CNC machining center with the backup pad by linear electric motor, CNC machining center inside numerical control cutter can be comparatively close to the machined surface of work piece, thereby shortened the tool setting time.
Preferably, the surface of the sliding rod is provided with threads; the surface of the sliding rod is in threaded connection with a pair of nuts at two sides of the electric three-jaw chuck; during operation, when needing lateral shifting electronic three-jaw chuck, workman accessible screw the nut, makes electronic three-jaw chuck can take place lateral shifting, later rethread simultaneously is reverse the screw towards electronic three-jaw chuck with the nut to accomplish the fixed to electronic three-jaw chuck position, avoid CNC machining center's inside numerical control cutter during operation, because electronic three-jaw chuck rocks, and the processing that leads to the work piece appears the deviation.
Preferably, the end face of the convex rod is provided with an oil injection groove; the surface of the convex rod in the supporting plate is provided with a plurality of oil outlet holes which are uniformly distributed; the ejector rods are all hollow structures; the extrusion plates are provided with through holes at the positions corresponding to the ejector rods; during operation, when the connecting plate slides in the spout, connecting plate and spout inner wall direct contact cause wearing and tearing and produce great resistance easily, the workman alright pour into lubricating oil into the protruding pole through the oil filler groove this moment, then lubricating oil flows the department by the oil outlet on protruding pole surface again, and flows to the surface and the inside of ejector pin, and through the rotation of protruding pole, thereby ejector pin and its inside lubricating oil, and make lubricating oil finally flow to the spout by the through-hole in, thereby lubricated a plurality of parts, the frictional force of each part when sliding has been reduced, and then the life of each part has been prolonged.
Preferably, a winding rod is arranged at one end of the connecting seat, which is far away from the sliding door of the CNC machining center; a pair of coil springs are arranged on the surface of the winding rod near the two ends; a pull rope is fixedly connected to one end of the coil spring, which is far away from the surface of the winding rod; a sleeve is sleeved on the outer side of the winding rod; the pull rope penetrates through the sleeve and is fixedly connected with one end, close to the CNC machining center sliding door, of the support plate; when the linear motor drives the support plate to move towards the sliding door of the CNC machining center, the support plate can pull the stay cord, the coil spring is contracted, the stay cord plays a role in lifting the end face of the support plate, the support plate is prevented from falling down from the surface of the connecting seat due to center deviation, when the linear motor drives the support plate to move towards the sliding door away from the CNC machining center, the stay cord is retracted into the sleeve under the action of the coil spring, and the loose stay cord is prevented from being exposed out and is wound with other parts inside the CNC machining center.
Preferably, a guide wheel is rotatably connected to the top of one side of the support plate far away from the CNC machining center sliding door; the surface of the guide wheel is contacted with the pull rope; when the stay cord takes place the pulling during the during operation, the leading wheel plays the effect of jack-up with the stay cord, prevents that the stay cord from long-time friction with the edge of backup pad from producing, and the phenomenon of wearing and tearing fracture appears in the stay cord.
Preferably, a support frame is arranged at the sliding door of the CNC machining center; the top of the support frame is connected with a baffle in a sliding manner; the surface of the baffle is provided with a mechanical arm; the clamping device is arranged on the bottom surface of the mechanical arm; the middle part of the support frame is connected with a push plate in a sliding way; a connecting belt is fixedly connected between the push plate and the connecting plate; a spring is fixedly connected between the connecting belt and the supporting frame; the support frame is provided with an objective table at the bottom of the mechanical arm; during operation, when the backup pad moves towards CNC machining center's sliding door department under linear electric motor's drive, the arm passes through clamping device and has clamped the work piece from the objective table this moment, the terminal surface of backup pad promotes the push pedal, the push pedal can stimulate the connecting band, compression spring, and through the arm and the clamping device of connecting band pulling baffle and its surface, move to the top of electronic three-jaw chuck, later through the arm with the work piece centre gripping on electronic three-jaw chuck, later withdraw the backup pad by linear electric motor, and process the work piece, and the baffle then resets under the effect of spring elastic force, accomplish the automatic unloading operation of work piece from this, the human cost is reduced, the security risk when also reducing manual work simultaneously.
Preferably, the clamping device comprises a connecting disc; a plurality of uniformly arranged sliding grooves are formed in the surface of the connecting disc; a servo motor is fixedly connected to one side, away from the sliding groove, of the connecting disc; the output shaft of the servo motor is fixedly connected with a gear in the sliding groove; the surface of the gear is connected with a rack in a meshed manner; a clamping column is fixedly connected to the surface of one side of the rack, which is close to the notch of the sliding groove; when the clamping device clamps a workpiece, the servo motor drives the gear to rotate and slide in the sliding groove through the gear belt rack, so that the clamping columns are driven to move towards the circle center of the connecting disc, the workpiece is clamped through the side surfaces of the clamping columns, and the workpiece with different surface forms can be clamped through the plurality of clamping columns and automatically moved.
Preferably, the surface of the clamping column is sleeved with an annular air bag; a rubber pad is sleeved on the side surface of the annular air bag; when the work, when the grip post is close to towards the work piece surface, annular gasbag takes place deformation to the parcel lives the partial surface of work piece, thereby increases the area of contact of grip post and work piece surface, and then improves the area of force when work piece centre gripping, stability when promoting the work piece centre gripping, and the rubber pad also can play the effect of protection annular gasbag simultaneously, reduces the damaged risk of annular gasbag.
Preferably, a plurality of uniformly arranged magnet sheets are embedded in the rubber pad; the magnet sheets are hinged with each other; when the workpiece is magnetized, the magnet piece can play a certain adsorption role, and meanwhile, the magnet piece can also prevent sharp protrusions on the surface of the workpiece from puncturing the rubber pad, so that the annular air bag is punctured.
The beneficial effects of the invention are as follows:
1. according to the numerical control equipment for precisely machining the industrial components, the linear motor drives the supporting plate, the clamped workpiece is conveyed back to the inside of the machining center again, machining of the workpiece is completed, and therefore safety accidents caused by the fact that a worker stretches the body into the machining center are avoided, and further life and health of the worker are guaranteed.
2. According to the numerical control equipment for precisely machining the industrial components, the ejector rod is extruded through the convex surface of the convex rod, the ejector rod is used for extruding the extrusion plate, and finally the extrusion plate is used for propping against the connecting plate, so that the connecting plate cannot slide in the sliding groove, the fixing of the position of the electric three-jaw chuck is completed, the supporting plate is transported back to the CNC machining center through the linear motor, and a numerical control cutter in the CNC machining center can be relatively close to the machining surface of a workpiece, so that the tool setting time is shortened.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic diagram of a CNC machining center according to the present invention;
FIG. 3 is a schematic view of a connecting seat according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a partial cross-sectional view of a support plate of the present invention;
FIG. 6 is a schematic view of the structure of a coil spring of the present invention;
FIG. 7 is a schematic view of the structure of the connection disc of the present invention;
FIG. 8 is a schematic view of a clamp column according to the present invention;
in the figure: 1. CNC machining center; 2. a connecting seat; 3. a linear motor; 4. a support plate; 5. an electric three-jaw chuck; 6. a chute; 7. a connecting plate; 8. a slide bar; 9. an extrusion plate; 10. a protruding rod; 11. a push rod; 12. a spring plate; 13. a thread; 14. a screw cap; 15. an oil injection groove; 16. an oil outlet hole; 17. a through hole; 18. a winding rod; 19. a coil spring; 20. a pull rope; 21. a sleeve; 22. a guide wheel; 23. a support frame; 24. a baffle; 25. a mechanical arm; 26. a clamping device; 27. a push plate; 28. a connecting belt; 29. a spring; 30. an objective table; 31. a connecting disc; 32. a sliding groove; 33. a servo motor; 34. a gear; 35. a rack; 36. a clamping column; 37. an annular air bag; 38. a rubber pad; 39. a magnet sheet.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 to 2, the numerical control device for precisely machining the industrial components according to the embodiment of the invention comprises a CNC machining center 1, a connecting seat 2, a linear motor 3, a supporting plate 4 and an electric three-jaw chuck 5; the top surface of the workbench in the CNC centering is clamped with a connecting seat 2; the top surface of the connecting seat 2 is fixedly connected with a linear motor 3; the surface of the output end of the linear motor 3 is fixedly connected with a supporting plate 4; the top surface of the supporting plate 4 is provided with an electric three-jaw chuck 5; the linear motor 3 is a transmission device for directly converting electric energy into linear motion mechanical energy without any intermediate conversion mechanism; during operation, in the process of feeding and discharging precise parts through the CNC machining center 1, workers are required to stretch the body into the CNC machining center 1, potential safety hazards are easy to generate at the moment, so that the embodiment of the invention can be used, the workers can drive the supporting plate 4 to move towards the sliding door of the CNC machining center 1 by starting the linear motor 3, at the moment, the workers can place the workpiece at the center of the electric three-jaw chuck 5, then the electric three-jaw chuck 5 is controlled to clamp the workpiece, then the linear motor 3 drives the supporting plate 4 to transport the clamped workpiece back into the machining center, and machining of the workpiece is completed, so that the situation that the body is stretched into the machining center by the workers to cause safety accidents is avoided, and further the life and health of the workers are ensured.
As shown in fig. 3 to 5, two sides of the supporting plate 4 are provided with symmetrically arranged sliding grooves 6; a connecting plate 7 is connected in the sliding groove 6 in a sliding way; a sliding rod 8 is fixedly connected between the connecting plates 7 at the top of the supporting plate 4; the electric three-jaw chuck 5 is in sliding connection with the slide rod 8; the bottom of the chute 6 is provided with an extrusion plate 9; a convex rod 10 is connected to one side surface of the supporting plate 4 close to the sliding door of the CNC machining center 1 through threads 13; a plurality of push rods 11 which are uniformly arranged are connected in the support plate 4 in a sliding manner between the convex rods 10 and the extrusion plate 9; a pair of elastic pieces 12 are fixedly connected between the extrusion plate 9 and the wall of the chute 6, and the elastic pieces 12 are positioned at two ends of the chute 6; the elastic sheet 12 plays a limiting role and prevents the connecting plate 7 from sliding out of the chute 6; during operation, before machining a workpiece, the CNC machining center 1 needs to perform tool setting operation firstly, in order to shorten tool setting time, a worker can slide the electric three-jaw chuck 5, the machining surface of the workpiece can be clamped by the electric three-jaw chuck 5 to be located at the middle position of the supporting plate 4 as much as possible, after the position of the electric three-jaw chuck 5 is determined, the worker rotates the protruding rod 10, the protruding rod 11 is extruded through the protruding surface of the protruding rod 10, the ejector rod 11 extrudes the extruding plate 9, and finally the extruding plate 9 props against the connecting plate 7, so that the connecting plate 7 cannot slide in the sliding groove 6, the fixing of the position of the electric three-jaw chuck 5 is completed, and then after the supporting plate 4 is conveyed back to the CNC machining center 1 by the linear motor 3, the numerical control tool inside the CNC machining center 1 can be relatively close to the machining surface of the workpiece, so that tool setting time is shortened.
As shown in fig. 3, the surface of the sliding rod 8 is provided with threads 13; the surface of the sliding rod 8 is connected with a pair of nuts 14 on two side threads 13 of the electric three-jaw chuck 5; during operation, when the electric three-jaw chuck 5 needs to be moved transversely, a worker can screw the nut 14 to enable the electric three-jaw chuck 5 to move transversely, and then reversely screw the nut 14 towards the electric three-jaw chuck 5 at the same time, so that the position of the electric three-jaw chuck 5 is fixed, and deviation in machining of a workpiece caused by shaking of the electric three-jaw chuck 5 during operation of an internal numerical control cutter of the CNC machining center 1 is avoided.
As shown in fig. 3 and 5, the end surface of the protruding rod 10 is provided with an oil injection groove 15; the surface of the convex rod 10 in the supporting plate 4 is provided with a plurality of oil outlet holes 16 which are uniformly arranged; the ejector rods 11 are all hollow structures; the extruding plates 9 are respectively provided with through holes 17 at the corresponding positions of the ejector rods 11; all the pores do not obstruct the flowing of the lubricating oil; when the connecting plate 7 slides in the chute 6, the connecting plate 7 is in direct contact with the inner wall of the chute 6, abrasion is easy to cause, larger resistance is generated, at the moment, a worker can inject lubricating oil into the convex rod 10 through the oil injection groove 15, then the lubricating oil flows out of the oil outlet 16 on the surface of the convex rod 10 and flows to the surface and the inside of the ejector rod 11, and the ejector rod 11 and the lubricating oil in the ejector rod are rotated through the convex rod 10, so that the lubricating oil finally flows into the chute 6 through the through holes 17, a plurality of parts are lubricated, the friction force of each part during sliding is reduced, and the service life of each part is prolonged.
As shown in fig. 3 and 6, a winding rod 18 is installed at one end of the connecting seat 2 away from the sliding door of the CNC machining center 1; a pair of coil springs 19 are arranged on the surface of the winding rod 18 near the two ends; a pull rope 20 is fixedly connected to one end of the coil spring 19, which is far away from the surface of the winding rod 18; the pull rope 20 is unevenly elastic; a sleeve 21 is sleeved outside the winding rod 18; the pull rope 20 passes through the sleeve 21 and is fixedly connected with one end of the support plate 4, which is close to the sliding door of the CNC machining center 1; when the linear motor 3 pushes the support plate 4 to move towards the sliding door of the CNC machining center 1, the support plate 4 pulls the pull rope 20 and contracts the coil spring 19, at the moment, the pull rope 20 plays a role in lifting the end face of the support plate 4, the support plate 4 is prevented from falling down from the surface of the connecting seat 2 due to center offset, when the linear motor 3 drives the support plate 4 to move towards the sliding door away from the CNC machining center 1, the pull rope 20 is retracted into the sleeve 21 under the action of the coil spring 19, and the loose pull rope 20 is prevented from being exposed out and winding with other parts inside the CNC machining center 1.
As shown in fig. 3, a guide wheel 22 is rotatably connected to the top of one side of the support plate 4 away from the sliding door of the CNC machining center 1; the side surface of the guide wheel 22 is recessed towards the center of the guide wheel 22 so as to be matched with the pull rope 20; the surface of the guide wheel 22 is contacted with the pull rope 20; when the pull rope 20 is pulled during operation, the guide wheel 22 plays a role in jacking the pull rope 20, so that the phenomenon that the pull rope 20 is worn and broken due to long-time friction between the pull rope 20 and the edge of the support plate 4 is prevented.
As shown in fig. 1, a supporting frame 23 is installed at the sliding door of the CNC machining center 1; the top of the supporting frame 23 is connected with a baffle 24 in a sliding way; the surface of the baffle 24 is provided with a mechanical arm 25; the bottom surface of the mechanical arm 25 is provided with a clamping device 26; the middle part of the supporting frame 23 is connected with a push plate 27 in a sliding way; a connecting belt 28 is fixedly connected between the push plate 27 and the connecting plate 7; a spring 29 is fixedly connected between the connecting belt 28 and the supporting frame 23; the support 23 is provided with an objective table 30 at the bottom of the mechanical arm 25; the objective table 30 is used for placing a workpiece; when the CNC three-jaw chuck is operated, when the supporting plate 4 moves towards the sliding door of the CNC machining center 1 under the drive of the linear motor 3, the mechanical arm 25 clamps a workpiece from the object stage 30 through the clamping device 26, when the end face of the supporting plate 4 pushes the push plate 27, the push plate 27 pulls the connecting belt 28 to compress the spring 29, the baffle 24 and the mechanical arm 25 and the clamping device 26 on the surface of the baffle 24 are pulled through the connecting belt 28 to move to the upper side of the electric three-jaw chuck 5, then the workpiece is clamped on the electric three-jaw chuck 5 through the mechanical arm 25, the supporting plate 4 is retracted by the linear motor 3 and machined, and the baffle 24 is reset under the action of elastic force of the spring 29, so that automatic feeding and discharging operation of the workpiece is completed, the labor cost is reduced, and meanwhile, the safety risk in manual work is also reduced.
As shown in fig. 1 and 7, the clamping device 26 includes a connecting disc 31, a sliding groove 32, a servo motor 33, a gear 34, a rack 35, and a clamping column 36; a plurality of uniformly arranged sliding grooves 32 are formed on the surface of the connecting disc 31; a servo motor 33 is fixedly connected to one side of the connecting disc 31, which is far away from the sliding groove 32; the output shaft of the servo motor 33 is fixedly connected with a gear 34 in the sliding groove 32; the gear 34 can rotate in the sliding groove 32; a rack 35 is connected to the surface of the gear 34 in a meshed manner; a clamping column 36 is fixedly connected to the surface of one side of the rack 35, which is close to the notch of the sliding groove 32; when the clamping device 26 clamps a workpiece, the servo motor 33 drives the gear 34 to rotate, and the gear 34 slides in the sliding groove 32 with the rack 35, so that the clamping columns 36 are driven to move towards the circle center of the connecting disc 31, the workpiece is clamped by the side surfaces of the clamping columns 36, and the workpieces with different surface forms are clamped by the independent movement of the clamping columns 36.
Example two
As shown in fig. 8, in comparative example one, another embodiment of the present invention is: the surface of the clamping column 36 is sleeved with an annular air bag 37; the air bag can deform; a rubber pad 38 is sleeved on the side surface of the annular air bag 37; when the clamping column 36 approaches to the surface of the workpiece in operation, the annular air bag 37 deforms and wraps a part of the surface of the workpiece, so that the contact area between the clamping column 36 and the surface of the workpiece is increased, the stress area during workpiece clamping is further increased, the stability during workpiece clamping is improved, meanwhile, the rubber pad 38 can also play a role in protecting the annular air bag 37, and the damage risk of the annular air bag 37 is reduced
As shown in fig. 8, a plurality of uniformly arranged magnet sheets 39 are inlaid in the rubber pad 38; the magnet sheets 39 are hinged with each other; when the workpiece is magnetized, the magnet piece 39 can play a certain adsorption role, and meanwhile, the magnet piece 39 can also prevent sharp protrusions on the surface of the workpiece from piercing the rubber pad 38, so that the annular air bag 37 is pierced.
During operation, in the process of feeding and discharging precise parts through the CNC machining center 1, workers are required to stretch the body into the CNC machining center 1, potential safety hazards are easy to generate at the moment, so that the embodiment of the invention can be used, the workers can drive the supporting plate 4 to move towards the sliding door of the CNC machining center 1 by starting the linear motor 3, at the moment, the workers can place the workpiece at the center of the electric three-jaw chuck 5, then the electric three-jaw chuck 5 is controlled to clamp the workpiece, then the linear motor 3 drives the supporting plate 4, the clamped workpiece is conveyed back into the machining center again, and machining of the workpiece is completed, so that the situation that the body is stretched into the machining center by the workers to cause safety accidents is avoided, and further life and health of the workers are guaranteed.
The CNC machining center 1 is required to carry out tool setting operation before machining a workpiece, in order to shorten tool setting time, a worker can slide the electric three-jaw chuck 5, the machining surface of the workpiece clamped by the worker can be located at the middle position of the supporting plate 4 as much as possible, after the position of the electric three-jaw chuck 5 is determined, the worker rotates the protruding rod 10, the protruding rod 11 is extruded through the protruding surface of the protruding rod 10, the ejector rod 11 extrudes the extrusion plate 9, and finally the extrusion plate 9 is propped against the connecting plate 7, so that the extrusion plate 9 cannot slide in the sliding groove 6, the fixing of the position of the electric three-jaw chuck 5 is completed, and then after the supporting plate 4 is conveyed back to the CNC machining center 1 by the linear motor 3, the numerical control tool inside the CNC machining center 1 can be relatively close to the machining surface of the workpiece, so that tool setting time is shortened.
When the electric three-jaw chuck 5 needs to be moved transversely, a worker can screw the nut 14 to enable the electric three-jaw chuck 5 to move transversely, and then reversely screw the nut 14 towards the electric three-jaw chuck 5 at the same time, so that the position of the electric three-jaw chuck 5 is fixed, and deviation in machining of a workpiece due to shaking of the electric three-jaw chuck 5 during working of an internal numerical control tool of the CNC machining center 1 is avoided.
When the connecting plate 7 slides in the chute 6, the connecting plate 7 is in direct contact with the inner wall of the chute 6, abrasion is easy to cause, larger resistance is generated, at the moment, a worker can inject lubricating oil into the convex rod 10 through the oil injection groove 15, then the lubricating oil flows through the oil outlet 16 on the surface of the convex rod 10 and flows to the surface and the inside of the ejector rod 11, and through the rotation of the convex rod 10, the ejector rod 11 and the lubricating oil in the ejector rod 11 flow into the chute 6 through the through holes 17, so that a plurality of parts are lubricated, the friction force of each part during sliding is reduced, and the service life of each part is prolonged.
When the linear motor 3 pushes the support plate 4 to move towards the sliding door of the CNC machining center 1, the support plate 4 pulls the pull rope 20 and contracts the coil spring 19, at the moment, the pull rope 20 plays a role of lifting the end face of the support plate 4 to prevent the support plate 4 from falling down from the surface of the connecting seat 2 due to center deviation, when the linear motor 3 drives the support plate 4 to move towards the sliding door away from the CNC machining center 1, the pull rope 20 is retracted into the sleeve 21 under the action of the coil spring 19 to prevent the loose pull rope 20 from being exposed out and wound with other parts inside the CNC machining center 1.
When the pull rope 20 is pulled, the guide wheel 22 plays a role in jacking up the pull rope 20, so that the phenomenon that the pull rope 20 is worn and broken due to long-time friction between the pull rope 20 and the edge of the support plate 4 is prevented.
When the supporting plate 4 moves towards the sliding door of the CNC machining center 1 under the drive of the linear motor 3, the mechanical arm 25 clamps the workpiece from the object stage 30 through the clamping device 26, when the end face of the supporting plate 4 pushes the push plate 27, the push plate 27 pulls the connecting belt 28 to compress the spring 29, the baffle 24 and the mechanical arm 25 and the clamping device 26 on the surface of the baffle 24 are pulled through the connecting belt 28 to move to the upper part of the electric three-jaw chuck 5, then the workpiece is clamped on the electric three-jaw chuck 5 through the mechanical arm 25, then the supporting plate 4 is retracted by the linear motor 3 and machined, and the baffle 24 is reset under the action of the elastic force of the spring 29, so that the automatic feeding and discharging operation of the workpiece is completed, the labor cost is reduced, and the safety risk in manual work is also reduced.
When the clamping device 26 clamps a workpiece, the servo motor 33 drives the gear 34 to rotate, and the gear 34 slides in the sliding groove 32 with the rack 35, so that the clamping column 36 is driven to move towards the center of the connecting disc 31, the workpiece is clamped by the side surfaces of the clamping column 36, and the workpieces with different surface shapes are clamped by the independent movement of the clamping columns 36.
When the clamping column 36 approaches to the surface of the workpiece, the annular air bag 37 deforms and wraps a part of the surface of the workpiece, so that the contact area between the clamping column 36 and the surface of the workpiece is increased, the stressed area during workpiece clamping is further increased, the stability during workpiece clamping is improved, meanwhile, the rubber pad 38 can also play a role in protecting the annular air bag 37, and the damage risk of the annular air bag 37 is reduced.
When the clamped workpiece is magnetizable, the magnet piece 39 can play a certain adsorption role, and meanwhile, the magnet piece 39 can also prevent sharp protrusions on the surface of the workpiece from penetrating the rubber pad 38, so that the annular air bag 37 is punctured.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an industry spare part precision machining numerical control equipment which characterized in that: comprises a CNC machining center (1); the top surface of the workbench in the CNC centering is clamped with a connecting seat (2); the top surface of the connecting seat (2) is fixedly connected with a linear motor (3); the surface of the output end of the linear motor (3) is fixedly connected with a supporting plate (4); the top surface of backup pad (4) is provided with electronic three-jaw chuck (5).
2. The numerical control device for precision machining of industrial components of claim 1, wherein: two sides of the supporting plate (4) are provided with symmetrically arranged sliding grooves (6); a connecting plate (7) is connected in the sliding groove (6) in a sliding way; a sliding rod (8) is fixedly connected between the connecting plates (7) at the top of the supporting plate (4); the electric three-jaw chuck (5) is in sliding connection with the sliding rod (8); the bottom of the chute (6) is provided with an extrusion plate (9); a convex rod (10) is connected to one side surface thread (13) of the supporting plate (6) close to the sliding door of the CNC machining center (1); a plurality of push rods (11) which are uniformly arranged are connected inside the supporting plate (4) between the convex rods (10) and the extrusion plate (9) in a sliding manner; a pair of elastic pieces (12) are fixedly connected between the extrusion plate (9) and the groove wall of the chute (6), and the elastic pieces (12) are positioned at two ends of the chute (6).
3. The numerical control device for precision machining of industrial components according to claim 2, characterized in that: threads (13) are formed on the surface of the sliding rod (8); the surface of the sliding rod (8) is connected with a pair of nuts (14) on two side threads (13) of the electric three-jaw chuck (5).
4. A precision machining numerical control device for industrial components as claimed in claim 3, wherein: an oil injection groove (15) is formed in the end face of the protruding rod (10); the surface of the convex rod (10) in the supporting plate (4) is provided with a plurality of oil outlet holes (16) which are uniformly distributed; the ejector rods (11) are all hollow structures; the extruding plates (9) are provided with through holes (17) at the corresponding positions of the ejector rods (11).
5. The numerical control device for precision machining of industrial components of claim 1, wherein: one end of the connecting seat (2) far away from the sliding door of the CNC machining center (1) is provided with a winding rod (18); a pair of coil springs (19) are arranged on the surface of the winding rod (18) near the two ends; one end of the coil spring (19) far away from the surface of the winding rod (18) is fixedly connected with a pull rope (20); a sleeve (21) is sleeved on the outer side of the winding rod (18); the pull rope (20) penetrates through the sleeve (21) and is fixedly connected with one end, close to the CNC machining center (1), of the support plate (4).
6. The numerical control device for precision machining of industrial components as claimed in claim 5, wherein: the top of one side of the supporting plate (4) far away from the sliding door of the CNC machining center (1) is rotatably connected with a guide wheel (22); the surface of the guide wheel (22) is contacted with the pull rope (20).
7. The numerical control device for precision machining of industrial components of claim 1, wherein: a supporting frame (23) is arranged at the sliding door of the CNC machining center (1); the top of the supporting frame (23) is connected with a baffle (24) in a sliding way; a mechanical arm (25) is arranged on the surface of the baffle plate (24); the bottom surface of the mechanical arm (25) is provided with a clamping device (26); the middle part of the supporting frame (23) is connected with a push plate (27) in a sliding way; a connecting belt (28) is fixedly connected between the push plate (27) and the connecting plate (7); a spring (29) is fixedly connected between the connecting belt (28) and the supporting frame (23); the support frame (23) is provided with an objective table (30) at the bottom of the mechanical arm (25).
8. The numerical control device for precision machining of industrial components as claimed in claim 7, wherein: the clamping device (26) comprises a connecting disc (31); a plurality of uniformly arranged sliding grooves (32) are formed in the surface of the connecting disc (31); a servo motor (33) is fixedly connected to one side, far away from the sliding groove (32), of the connecting disc (31); an output shaft of the servo motor (33) is fixedly connected with a gear (34) in the sliding groove (32); a rack (35) is connected to the surface of the gear (34) in a meshed manner; and a clamping column (36) is fixedly connected to the surface of one side of the rack (35) close to the notch of the sliding groove (32).
9. The numerical control device for precision machining of industrial components of claim 8, wherein: the surface of the clamping column (36) is sleeved with an annular air bag (37); the side surface of the annular air bag (37) is sleeved with a rubber pad (38).
10. The industrial component precision machining numerical control device according to claim 9, wherein: a plurality of uniformly arranged magnet sheets (39) are embedded in the rubber pad (38); the magnet sheets (39) are hinged with each other.
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Address after: No. 5 Tangjiao Langwei Road, Chashan Town, Dongguan City, Guangdong Province, 523393 Patentee after: Dongguan Tengxin Precision Manufacturing Co.,Ltd. Address before: No. 5, Tangjiao Langwei Road, Chashan Town, Dongguan, Guangdong 523378 Patentee before: TURNXON PRECISION Co.,Ltd. |
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