CN114515855B - Multi-axis linkage numerical control milling machine - Google Patents
Multi-axis linkage numerical control milling machine Download PDFInfo
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- CN114515855B CN114515855B CN202210168194.0A CN202210168194A CN114515855B CN 114515855 B CN114515855 B CN 114515855B CN 202210168194 A CN202210168194 A CN 202210168194A CN 114515855 B CN114515855 B CN 114515855B
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- 238000003801 milling Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 238000003756 stirring Methods 0.000 claims abstract description 49
- 230000007306 turnover Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 11
- 238000001125 extrusion Methods 0.000 description 15
- 230000009471 action Effects 0.000 description 11
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000011017 operating method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/10—Milling machines not designed for particular work or special operations with both horizontal and vertical working-spindles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
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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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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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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- 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 utility model relates to the technical field of numerically controlled milling machines and discloses a multi-axis linkage numerically controlled milling machine, which comprises a base and a clamping mechanism which is arranged on the base in a sliding manner and is used for fixing a workpiece, wherein the clamping mechanism comprises a baffle plate and a stirring plate which are arranged oppositely, and a drive connected with the stirring plate, the workpiece is positioned between the baffle plate and the stirring plate, and the multi-axis linkage numerically controlled milling machine further comprises a turnover transmission mechanism, and when the stirring plate moves towards the baffle plate to clamp and fix the workpiece, the stirring plate drives the turnover transmission mechanism to drive the workpiece to turn. According to the utility model, the workpiece is turned over only by driving the stirring plate to move, so that the stirring plate can be realized in the process of fixing the workpiece, and the workpiece is not required to be turned over by hands or special turning devices, so that the operation steps and time can be reduced, and the processing efficiency of the workpiece is improved.
Description
Technical Field
The utility model relates to the technical field of numerical control milling machines, in particular to a multi-axis linkage numerical control milling machine.
Background
The machining of the multi-axis linkage numerical control machine tool is to divide the motion coordinates (comprising an X axis, a Y axis and a Z axis) of the cutter and the workpiece into minimum unit quantities, namely minimum displacement quantities, and the numerical control system moves each coordinate by a plurality of minimum displacement quantities according to the requirements of a workpiece program, so that the relative motion of the cutter and the workpiece is realized, and the machining of the workpiece is completed. Numerical control machine tools have higher machining accuracy and faster machining speed than conventional machine tools, and have been widely used.
The utility model discloses a workbench, an X-axis sliding table assembly, a Y-axis upright sliding table assembly and a Z-axis machine head sliding table assembly, wherein the X-axis sliding table assembly, the Y-axis upright sliding table assembly and the Z-axis machine head sliding table assembly are arranged, so that when a workpiece is processed, a machine head of a milling machine can move along the X-axis direction on a first linear guide rail, move along the Y-axis direction on a second linear guide rail and move along the Z-axis direction on a third linear guide rail, and the workpiece can be processed in multiple directions, thereby improving the processing efficiency and processing precision.
The multi-shaft turning and milling compound special machine tool disclosed by the patent can realize multi-shaft linkage so as to improve the machining efficiency, but has the following defects: because in order to prevent the work piece from rocking when processing the work piece, need fix the work piece, this patent is through fixing the work piece clamping on the clamping bench in order to realize the fixing of work piece, but to square work piece's processing (such as processing drilling or step etc.), generally need process square work piece's a plurality of sides when processing, need overturn square work piece to another face continue processing after finishing one side, in the prior art, when overturning square work piece, obviously need remove clamping mechanism earlier to the fixing of work piece, then overturn the work piece through hand or special turning device, the work piece after will overturning again is fixed on clamping mechanism again, because need remove fixing, upset and refastening action to the work piece alone, result in operating procedure more, required time is longer, influence the machining efficiency of work piece.
Disclosure of Invention
The utility model aims to provide a multi-axis linkage numerical control milling machine so as to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a multiaxis linkage numerically controlled fraise machine, includes base and slip setting have the clamping mechanism that is used for fixed work piece on the base, clamping mechanism includes the baffle that sets up relatively and stir the board to and stir the drive that the board is connected, the work piece is located between the baffle and stir the board, still includes upset drive mechanism, works as stir the board and move in order to centre gripping fixed work piece towards the baffle in-process, stir the board drive upset drive mechanism drives the work piece upset.
The multi-axis linkage numerical control milling machine comprises a base, a clamping mechanism, a baffle, a stirring plate, a driving horizontal elastic sliding mechanism and a clamping mechanism.
The multi-axis linkage numerical control milling machine comprises the ejector rod which is in sliding connection with the placing table and is positioned below the workpiece, and the connecting rod which is arranged on the placing table in a rotating mode, one end of the connecting rod is in sliding butt joint with the bottom of the ejector rod, and the end portion of the poking plate is provided with a force application rod in sliding butt joint with the other end of the connecting rod.
According to the multi-axis linkage numerical control milling machine, the avoidance port corresponding to the connecting rod is formed in the placement table, and the connecting rod passes through the avoidance port.
The multi-axis linkage numerical control milling machine comprises a rotary shaft, wherein a driving output end is fixedly connected with a stirring plate through the rotary shaft, a supporting plate is connected with the free end of the rotary shaft through the stirring plate in a rotating mode, two first sliding grooves which are oppositely arranged are formed in the top surface of the placing table, one of the first sliding grooves is provided with a first sliding plate in a sliding mode, the other first sliding groove is provided with a second sliding plate in a sliding mode, the supporting plate is fixedly arranged on the first sliding plate, and the driving device is fixedly arranged on the second sliding plate.
According to the multi-axis linkage numerical control milling machine, the poking plate is provided with the notch, the rotating shaft penetrates through the notch, the rotating shaft in the notch is rotatably provided with the horizontal elastic piece, the placing table is fixedly provided with the fixing plate, and the end part of the horizontal elastic piece is fixedly connected with the fixing plate.
According to the multi-axis linkage numerical control milling machine, the ejector rod is located on one side, away from the toggle plate, of the workpiece, and the upward movement of the ejector rod drives one side, away from the toggle plate, of the workpiece to tilt up so that the workpiece can be turned over.
The multi-axis linkage numerical control milling machine comprises a right straight plate, a middle inclined plate and a left inclined plate which are sequentially arranged, wherein the top surfaces of the middle inclined plate and the left inclined plate are respectively inclined upwards in the directions close to each other, the upper half parts of the right straight plate and the middle inclined plate are positioned above the placing table, and the lower half parts of the inclined plate and the middle inclined plate are positioned below the placing table.
The multi-axis linkage numerical control milling machine comprises the ejector rod and the hemispherical body which are sequentially arranged up and down, wherein the bottom of the hemispherical body is in butt joint with the top surface of the left inclined plate.
According to the multi-axis linkage numerical control milling machine, when the force application rod is in a horizontal state, the right straight plate is also in a horizontal state, and the bottom surface of the force application rod is abutted to the top surface of the right straight plate.
In the technical scheme, the baffle plate and the stirring plate driven by the drive are arranged in the clamping mechanism, when a workpiece is placed between the baffle plate and the stirring plate, the workpiece can be clamped and fixed by moving the stirring plate in the direction of the baffle plate, and meanwhile, the turnover transmission mechanism can be driven to enable the workpiece to automatically turn over in the process of clamping and fixing.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of an overall multi-axis linkage numerically controlled milling machine according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a first view angle of a clamping mechanism according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a second view angle of the clamping mechanism according to the embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a third view angle of the clamping mechanism according to the embodiment of the present utility model;
FIG. 5 is a top view of a chuck according to an embodiment of the present utility model;
FIG. 6 is a schematic structural view of one of the front and rear fixing mechanisms according to the embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a connecting rod according to an embodiment of the present utility model;
FIG. 8 is a front view of a clamping mechanism provided by an embodiment of the present utility model;
FIG. 9 is a cross-sectional view of a clamping mechanism when a workpiece provided by an embodiment of the utility model is fixedly clamped by a toggle plate and a baffle plate;
FIG. 10 is a cross-sectional view of a clamping mechanism at an early stage when a toggle plate provided by an embodiment of the present utility model moves in a direction away from a baffle plate;
FIG. 11 is a cross-sectional view of a clamping mechanism when a first sliding plate and a second sliding plate respectively abut against a corresponding first sliding groove when a toggle plate moves in a direction away from a baffle plate;
FIG. 12 is a cross-sectional view of a chuck mechanism when a toggle plate provided in an embodiment of the present utility model is rotated to a set position;
FIG. 13 is a cross-sectional view of a clamping mechanism when a toggle plate is just contacted with a workpiece in the process of moving the toggle plate towards a direction of a baffle plate according to the embodiment of the utility model;
FIG. 14 is a cross-sectional view of a clamping mechanism after a toggle plate contacts a workpiece during movement of the toggle plate in a direction toward a baffle plate according to an embodiment of the present utility model;
FIG. 15 is a cross-sectional view of a clamping mechanism provided by an embodiment of the present utility model in which a toggle plate is in a horizontal state;
FIG. 16 is a cross-sectional view of a clamping mechanism when a workpiece provided by an embodiment of the utility model is again clamped by a toggle plate and a baffle plate.
Reference numerals illustrate:
1. a bracket; 2. a base; 3. a Z-axis driving mechanism; 4. a cutter; 5. a Y-axis driving mechanism; 6. a screw rod; 7. clamping mechanism; 8. a placement table; 801. a first chute; 802. a second slide plate; 803. a threaded hole; 804. an avoidance port; 9. a first slide plate; 10. a second slide plate; 11. a support plate; 12. driving; 13. a toggle plate; 1301. a notch; 14. a force application rod; 15. a rotating shaft; 16. a sleeve; 17. a fixing plate; 18. a horizontal elastic member; 1801. a pressure spring; 1802. a telescopic rod; 19. a connecting rod; 1901. a right straight plate; 1902. a middle inclined plate; 1903. a left inclined plate; 20. sealing the box body; 2001. a first case; 2002. a second case; 21. a stress column; 22. an extrusion column; 23. a baffle; 24. a workpiece; 25. a push rod; 2501. a vertical rod; 2502. a hemisphere; 26. and a horizontal axis.
Description of the embodiments
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-16, the multi-axis linkage numerically controlled milling machine provided by the embodiment of the utility model comprises a base 2 and a clamping mechanism 7 which is arranged on the base 2 in a sliding manner and is used for fixing a workpiece 24, wherein the clamping mechanism 7 comprises a baffle plate 23 and a stirring plate 13 which are arranged oppositely, a driver 12 connected with the stirring plate 13, the workpiece 24 is positioned between the baffle plate 23 and the stirring plate 13, and the multi-axis linkage numerically controlled milling machine further comprises a turnover transmission mechanism, and when the stirring plate 13 moves towards the baffle plate 23 to clamp and fix the workpiece 24, the stirring plate 13 drives the turnover transmission mechanism to drive the workpiece 24 to turn.
The multi-axis linkage numerical control milling machine provided by the embodiment is used for processing a plurality of sides of a square workpiece, and can omit the independent overturning action of the workpiece, wherein the workpiece in the embodiment refers to the square workpiece, and the words such as left, right, front, back and the like are relative to the attached drawings. Specifically, the multi-axis linkage numerically controlled milling machine provided in this embodiment includes a support 1 fixedly connected with a base 2 in the prior art, an X-axis driving mechanism (given in the figure), a Y-axis driving mechanism 5, a Z-axis driving mechanism 3, and a cutter 4, where the X-axis driving mechanism is disposed on the support 1 and used for driving the cutter 4 to move in the front-back direction, the Y-axis driving mechanism 5 is used for driving the cutter 4 to move in the left-right direction, the Z-axis driving mechanism 3 is used for driving the cutter 4 to move in the up-down direction, and the specific structures and principles of the X-axis driving mechanism, the Y-axis driving mechanism 5, the Z-axis driving mechanism 3, and the cutter 4 are not described in detail herein. The base 2 is a supporting structure of the numerical control milling machine, the clamping mechanism 7 is arranged on the base 2 in a sliding manner, the clamping mechanism 7 can slide left and right through the Y-axis driving mechanism 5, the workpiece 24 is fixed between the baffle plate 23 and the stirring plate 13, the output end of the driving 12 is fixedly connected with the stirring plate 13, the stirring plate 13 can be driven to move towards the direction of the baffle plate 23 and move away from the baffle plate 23 respectively by starting the driving 12 to move forwards and backwards, so that the workpiece 24 is clamped fixedly and clamped unfixed in sequence, the turnover transmission mechanism is used for realizing transmission between the stirring plate 13 and the workpiece 24, when the stirring plate 13 moves away from the baffle plate 23, the turnover transmission mechanism does not drive the workpiece 24 to turn over, and when the stirring plate 13 moves towards the direction of the baffle plate 23, the turnover transmission mechanism drives the workpiece 24 to turn over, and the workpiece 24 is fixed simultaneously. The working principle of the multi-axis linkage numerical control milling machine provided by the utility model is as follows: firstly, a workpiece 24 to be processed on a milling machine is placed on a clamping mechanism 7, the workpiece 24 is positioned between a baffle plate 23 and a stirring plate 13, then the stirring plate 13 is enabled to move towards the direction of the baffle plate 23 through starting a driving mechanism 12, so that the workpiece 24 is fixed between the baffle plate 23 and the stirring plate 13, then the top surface of the workpiece 24 at the moment is processed through starting a cutter 4, after the processing is finished, the driving mechanism 12 is restarted to enable the driving mechanism 12 to reversely run, the stirring plate 13 is enabled to move towards the direction deviating from the baffle plate 23, so that the workpiece 24 is unfixed, then the driving mechanism 12 is driven to positively run, the stirring plate 13 moves towards the direction of the baffle plate 23, at the moment, the stirring plate 13 drives the workpiece 24 to overturn through an overturning transmission mechanism, so that the processed top surface of the workpiece 24 becomes a side surface to be processed, after the overturning is finished, the fixed clamping of the workpiece 24 is realized along with the continuous movement of the stirring plate 13, the top surface of the workpiece 24 at the moment is processed, and the like. In the prior art, when square workpieces are turned over, the fixing of the workpieces by the clamping mechanism is required to be released firstly, then the workpieces are turned over by hands or special turning devices, and finally the turned-over workpieces are fixed on the clamping mechanism again. The main innovation point of the utility model is that: after one side of the workpiece 24 is machined, when the workpiece 24 needs to be turned over, the workpiece 24 does not need to be turned over by hands or special turning devices, the turning over can be finished in the original process of fixing the workpiece 24, and operation steps can be saved and operation time can be reduced.
According to the multi-axis linkage numerical control milling machine provided by the embodiment, the baffle plate 23 and the stirring plate 13 driven by the drive 12 are arranged in the clamping mechanism 7, when the workpiece 24 is placed between the baffle plate 23 and the stirring plate 13, the workpiece 24 can be clamped and fixed by moving the stirring plate 13 towards the direction of the baffle plate 23, meanwhile, the turnover transmission mechanism can be driven in the process of clamping and fixing to enable the workpiece 24 to automatically turn over, compared with the prior art, the workpiece 24 can be turned over only by driving the stirring plate 13 to move, and the workpiece 24 can be turned over in the process of fixing and clamping the workpiece 24 by the stirring plate 13 and the baffle plate 23 without singly turning over the workpiece 24 by hands or special turning devices, so that the operation steps and time can be reduced, and the processing efficiency of the workpiece can be improved.
In this embodiment, the clamping mechanism 7 further includes a placing table 8 slidably connected to the base 2, the baffle 23 is fixedly disposed on the placing table 8, and the toggle plate 13 and the driving unit 12 are horizontally and elastically slidably disposed on the placing table 8. The workpiece 24 is placed on the top of the placing table 8, two second sliding plates 802 which are oppositely arranged are fixedly arranged at the bottom of the placing table 8, second sliding grooves (not shown in the figure) which are in one-to-one correspondence with the two second sliding plates 802 are formed in the top surface of the base 2, the second sliding plates 802 are in sliding clamping connection in the second sliding grooves, and the longitudinal sections of the second sliding plates 802 and the second sliding grooves are in an inverted T shape, so that the second sliding plates 802 can be clamped in the second sliding grooves and cannot be separated; the placing table 8 is provided with a threaded hole 803 in a penetrating mode, the threaded hole 803 is internally provided with a screw rod 6 in a threaded mode, the end portion of the screw rod 6 is fixedly connected with the output end of the Y-axis driving mechanism 5, the screw rod 6 is driven to rotate by driving the Y-axis driving mechanism 5, accordingly, left and right movement of the placing table 8 can be achieved, and left and right movement of the clamping mechanism 7 is achieved through left and right movement of the placing table 8. The toggle plate 13 and the drive 12 are horizontally and elastically slidably arranged on the placing table 8, so that the toggle plate 13 and the drive 12 can synchronously realize left and right reciprocating movement on the placing table 8, and the toggle plate 13 has extrusion force to the workpiece 24 by elasticity, so that the workpiece 24 is fixedly clamped between the baffle plate 23 and the toggle plate 13.
In this embodiment, the turnover transmission mechanism includes a push rod 25 slidably connected to the placement table 8 and located below the workpiece 24, and a connecting rod 19 rotatably disposed on the placement table 8, two oppositely disposed convex plates are fixedly mounted at the bottom of the placement table 8, a transverse shaft 26 is rotatably disposed between the two convex plates, the transverse shaft 26 is rotatably connected to the connecting rod 19 in a plugging or fixed plugging manner, so that a rotational connection between the connecting rod 19 and the placement table 8 is achieved, one end (i.e., the left end) of the connecting rod 19 is slidably abutted to the bottom of the push rod 25, an end portion of the toggle plate 13 is provided with a force application rod 14 slidably abutted to the other end (i.e., the right end) of the connecting rod 19, and the transverse shaft 26 is used as a demarcation point, so that the connecting rod 19 has a left portion and a right portion (as shown in fig. 8, the connecting rod 19 at the left portion is located below the placement table 8), and the weight of the connecting rod 19 at the left portion is greater than the weight of the connecting rod 19 at the right portion, so that the connecting rod 19 is always abutted to the force application rod 14. The ejector rods 25 are connected with the placing table 8 in an up-down sliding manner, the placing table 8 is provided with holes for the insertion of the ejector rods 25, the inner walls of the holes are in sliding fit with the outer walls of the ejector rods 25, the stability of the ejector rods 25 in moving up and down is improved, tilting is not easy to occur, the number of the ejector rods 25 is two, the two ejector rods are respectively positioned at the front side and the rear side of one end of the workpiece 24 far away from the toggle plate 13, the number of the connecting rods 19 is the same as that of the ejector rods 25 and corresponds to the ejector rods 25 one by one, the number of the force application rods 14 is the same as that of the connecting rods 19 and corresponds to the connecting rods 19 one by one, and the force application rods 14 are fixedly connected with the toggle plate 13;
the placing table 8 is provided with the avoiding opening 804 corresponding to the connecting rod 19, and the connecting rod 19 passes through the avoiding opening 804, so that the left and right ends of the connecting rod 19 are respectively positioned below the placing table 8 and above the placing table 8, and the left and right ends of the connecting rod 19 are respectively in sliding abutting joint with the bottom of the ejector rod 25 and the force application rod 14.
In this embodiment, the output end of the driving unit 12 is fixedly connected with the toggle plate 13 through the rotating shaft 15, the free end of the rotating shaft 15 passes through the toggle plate 13 and is rotationally connected with the supporting plate 11, two first sliding grooves 801 which are oppositely arranged are provided on the top surface of the placing table 8, one of the first sliding grooves 801 is provided with a first sliding plate 9 in a sliding manner, the other first sliding groove 801 is provided with a second sliding plate 10 in a sliding manner, the supporting plate 11 is fixedly mounted on the first sliding plate 9, and the driving unit 12 is fixedly mounted on the second sliding plate 10. The longitudinal sections of the parts of the first sliding plate 9 and the second sliding plate 10 positioned in the two first sliding grooves 801 and the longitudinal sections of the first sliding grooves 801 are inverted T-shaped, so that the first sliding plate 9 and the second sliding plate 10 cannot be separated from the first sliding grooves 801 in the sliding process, and the driving 12, the toggle plate 13 and the placing table 8 are in sliding connection through the arrangement of the first sliding plate 9, the second sliding plate 10 and the two first sliding grooves 801;
further, a notch 1301 is formed in the toggle plate 13, two force application rods 14 are respectively located on the front side and the rear side of the notch 1301, a rotating shaft 15 penetrates through the notch 1301, a horizontal elastic member 18 is rotatably arranged on the rotating shaft 15 located in the notch 1301, a fixing plate 17 is fixedly mounted on the placing table 8, and the end portion of the horizontal elastic member 18 is fixedly connected with the fixing plate 17. The fixed connection of the end part of the horizontal elastic piece 18 and the fixed plate 17 ensures that the horizontal elastic piece 18 is always in a horizontal state, and the rotary connection of the horizontal elastic piece 18 and the rotary shaft 15 ensures that the horizontal elastic piece 18 cannot rotate along with the rotation of the rotary shaft 15.
The horizontal elastic member 18 includes a sleeve 16 disposed in the recess 1301 and rotatably sleeved on the rotating shaft 15, a telescopic rod 1802 is fixedly mounted between the sleeve 16 and the fixed plate 17, a compression spring 1801 is sleeved on the telescopic rod 1802, the compression spring 1801 is always in a compressed state, when the compression value of the compression spring 1801 is minimum, the first sliding plate 9 and the second sliding plate 10 are respectively abutted with the corresponding first sliding groove 801, that is, the abutment between the first sliding plate 9, the second sliding plate 10 and the corresponding first sliding groove 801 realizes the limit of the compression spring 1801. The extrusion of the toggle plate 13 to the workpiece 24 is realized by the elastic force of the pressure spring 1801, and the space for sliding the toggle plate 13 and the driving device 12 left and right is realized by the telescopic action of the telescopic rod 1802.
The drive 12 is a motor, and drives the toggle plate 13 to rotate, when the workpiece 24 is clamped and fixed (as shown in fig. 8, 9 and 15), the toggle plate 13 and the force application rod 14 are both in a horizontal state, and at the moment, the top surface of the connecting rod 19 is the same as the top surface of the placing table 8 or the top surface of the connecting rod 19 is slightly lower than the top surface of the placing table 8;
when the workpiece needs to be turned over, the reverse running drive 12 rotates the toggle plate 13 in a direction away from the baffle plate 23, at this time, the force application rod 14 is driven to rotate along with the rotation of the toggle plate 13, the force application rod 14 extrudes the connecting rod 19 to continuously rotate downwards, so that the ejector rod 25 gradually moves upwards, the workpiece 24 is lifted up, the lifted workpiece 24 is attached to the side surface of the baffle plate 23 under the action of the elastic force of the pressure spring 1801, so that the workpiece 24 moves upwards in a vertical upward mode (as shown in fig. 10), meanwhile, in the process of rotating the toggle plate 13 in a direction away from the baffle plate 23, as the abutting point of the toggle plate 13 and the workpiece 24 continuously rotates, the pressure spring 1801 continuously pushes the rotating shaft 15 to enable the toggle plate 13, the drive 12, the first slide plate 9 and the second slide plate 10 to slide in a direction towards the baffle plate 23, until the first sliding plate 9 and the second sliding plate 10 are respectively abutted against the corresponding first sliding groove 801 (as shown in fig. 11), at the moment, the pressure springs 1801 are limited and do not push the toggle plate 13 to slide towards the direction of the baffle 23, so that the extrusion force applied by the toggle plate 13 to the workpiece 24 disappears, then the workpiece 24 is tilted towards the direction of the toggle plate 13 under the action of the gravity center of the workpiece 24 along with the continued rotation of the toggle plate 13, so that the workpiece 24 is in a tilted state, after the toggle plate 13 rotates to a set position (as shown in fig. 12), the toggle plate 13 is completely staggered with the workpiece 24, at the moment, a gap exists between the toggle plate 13 and the workpiece 24, the top height of the toggle plate 13 is greater than the top height of the workpiece 24, one edge of the workpiece 24 is abutted against the top surface of the placing table 8 to form a fulcrum, and the workpiece 24 is still in a tilted state; the forward running drive 12 rotates the toggle plate 13 towards the direction of the baffle plate 23, when the toggle plate 13 is in contact with the workpiece 24 (as shown in fig. 13), the contact point is positioned on the right side of a supporting point between the toggle plate 13 and the placing table 8, then the workpiece 24 is pressed down (as shown in fig. 14) along with the continuous rotation of the toggle plate 13, a downward overturning force is provided for the workpiece 24, when the toggle plate 13 presses down the workpiece 24, the toggle plate 13, the drive 12, the first sliding plate 9 and the second sliding plate 10 slide in the direction away from the baffle plate 23 due to the rotation of the contact point of the toggle plate 13 and the workpiece 24, the pressure spring 1801 is continuously compressed to enable the extrusion force of the toggle plate 13 to the workpiece 24 to be continuously increased, as the toggle plate 13 is continuously rotated until the workpiece 24 is completely overturned (as shown in fig. 15), the left end of the connecting rod 19 is continuously rotated down under the action of self gravity, the ejector rod 25 is continuously slid down under the action of self gravity, when the workpiece 24 is completely overturned, the height of the ejector rod 25 is the same as the top surface of the placing table 8, the top surface 25 is the workpiece 24, the pressing force is stopped by the ejector rod 25 on the workpiece 24, the workpiece 24 is stopped from being pushed down against the baffle plate 24, and the pressing force of the workpiece 24 is continuously pushed down to the baffle plate 23 until the baffle plate 23 is stopped, and the pressing force of the workpiece 24 is continuously pushed down until the baffle plate 23 is attached to the baffle plate 23, as shown in the direction is again shown in fig. 16, and the direction is attached to the baffle plate 23.
In this embodiment, the ejector pin 25 is located on a side of the workpiece 24 away from the toggle plate 13, and the upward movement of the ejector pin 25 drives the workpiece 24 to tilt away from the side of the toggle plate 13 so as to turn over the workpiece 24.
In this embodiment, in the process of rotating the toggle plate 13 towards the baffle 23, when the toggle plate 13 contacts with the workpiece 24, the greater the degree to which the workpiece 24 is lifted by being pushed by the ejector rod 25, the easier the toggle plate 13 presses the workpiece 24 to complete the overturning action of the workpiece 24, and if the lifting degree is not great, the phenomenon of locking during the rotation of the toggle plate 13 may be caused;
in order to make the overturning operation of the workpiece 24 easier and not cause the seizing phenomenon when the toggle plate 13 rotates, in this embodiment, the height of the upward sliding of the push rod 25 can be increased, specifically, the connecting rod 19 includes a right straight plate 1901, a middle inclined plate 1902 and a left inclined plate 1903 which are sequentially arranged, the right straight plate 1901, the middle inclined plate 1902 and the left inclined plate 1903 are integrally connected, the top surfaces of the middle inclined plate 1902 and the left inclined plate 1903 are respectively inclined upwards in the directions approaching each other, the upper half parts of the right straight plate 1901 and the middle inclined plate 1902 are positioned above the placing table 8, the lower half parts of the left inclined plate 1903 and the middle inclined plate 1902 are positioned below the placing table 8, during the rotation of the toggle plate 13, the free ends of the force application rod 14 are always abutted with the top surfaces of the middle inclined plate 1902, and when the workpiece 24 is clamped and fixed, the free ends of the force application rod 14 are positioned at the junction of the right straight plate 1902 and the middle inclined plate 1902 or on the middle inclined plate 1902, and the free ends of the force application rod 14 are hemispherical bodies, the free ends of the force application rod 14 are in the hemispherical bodies are connected from the junction between the right straight plate 1902 and the right inclined plate 1902 and the middle inclined plate and the upper inclined plate, and the friction between the upper inclined plate and the upper inclined plate is reduced, and the friction between the free ends of the force and the upper inclined plate is reduced. Because the height of the jack rod 25 is continuously raised and the bottom of the jack rod 25 and the free end of the force application rod 14 are continuously moved toward the junction of the middle inclined plate 1902 and the left inclined plate 1903 with respect to the connecting rod 19 as the toggle plate 13 is gradually moved closer to the workpiece 24 until contact is made during the rotation of the toggle plate 13 toward the baffle plate 23, in the above-described structure, the top surfaces of the middle inclined plate 1902 and the left inclined plate 1903 are respectively inclined upward toward each other, so that, when the free end of the force application rod 14 is continuously moved closer to the junction of the middle inclined plate 1902 and the left inclined plate 1903, the connecting rod 19 has a larger downward rotation angle, and the connecting rod 19 has a larger downward rotation angle also means that the left inclined plate 1903 has a larger upward elevation, thereby allowing the jack rod 25 to have a larger upward sliding height; second, when the bottom of the ejector pin 25 is continuously approaching to the connection between the middle inclined plate 1902 and the left inclined plate 1903, the connecting rod 19 has a larger amplitude for lifting the ejector pin 25, so that the height of the upward sliding of the ejector pin 25 can be further improved, and the improvement of the upward sliding height of the ejector pin 25 can make the tilting angle of the workpiece 24 larger, so that the overturning action of the workpiece 24 is easier and the clamping phenomenon of the toggle plate 13 during rotation can not be caused.
Further, the jack 25 includes a vertical rod 2501 and a hemispherical body 2502 arranged in this order, and the bottom of the hemispherical body 2502 abuts against the top surface of the left inclined plate 1903. By the structural design of the hemispherical body 2502, the friction force between the ejector rod 25 and the top surface of the left inclined plate 1903 can be reduced, so that the abrasion is reduced, and the smoothness of the rotation of the connecting rod 19 is improved.
Because the top height of the ejector pin 25 is always higher than the top surface height of the placement table 8 before the moment when the toggle plate 13 is restored to the horizontal state, the ejector pin 25 blocks the workpiece 24, so that the workpiece 24 is always located between the ejector pin 25 and the toggle plate 13, the top height of the ejector pin 25 immediately decreases to be consistent with the top surface height of the placement table 8 at the moment when the toggle plate 13 is restored to the horizontal state, at this moment, the blocking effect of the ejector pin 25 disappears, and at this moment (as shown in fig. 15), the distance between the toggle plate 13 and the baffle 23 is the largest (the compression degree of the pressure spring 1801 is also the largest), and the force application rod 14 is located at a position further to the right than the state when the workpiece 24 is fixedly clamped (as shown in fig. 16), at this moment, if the force application rod 14 is still abutted with the top surface of the middle inclined plate 1902, the height of the left inclined plate 1903 is higher, so that the top surface height of the ejector pin 25 is greater than the top surface height of the placement table 8, thereby causing that the workpiece 24 cannot be horizontally placed, and cannot be restored to the initial fixed clamping state.
To solve the above problem, in the present embodiment, when the force application lever 14 is in the horizontal state, the right flat plate 1901 is also in the horizontal state, and the bottom surface of the force application lever 14 abuts against the top surface of the right flat plate 1901, the top surface of the ejector 25 and the top surface of the placement table 8 are at the same height. Since the free end of the force applying rod 14 is located at the junction of the right flat plate 1901 and the middle inclined plate 1902 or at the middle inclined plate 1902 when the workpiece 24 is clamped and fixed, and the junction is definitely located at the end of the top surface of the right flat plate 1901, which is a part of the top surface of the right flat plate 1901, in this embodiment, the top surface height of the ejector rod 25 is not higher than the top surface height of the placing table 8 regardless of the position of the force applying rod 14 being right or left, so that the ejector rod 25 does not cause blocking of the workpiece 24 when shifting from fig. 15 to fig. 16, and the workpiece 24 is smoothly restored to the original fixed clamping state under the elastic force of the compression spring 1801, which is effective in solving the above-mentioned technical problems. After the workpiece 24 is restored to the original fixed clamping state, the next side surface of the workpiece 24 can be machined, and when the workpiece 24 is clamped and fixed, the free end of the force application rod 14 is located at the joint of the right straight plate 1901 and the middle inclined plate 1902 or on the middle inclined plate 1902, so that when the workpiece 24 is overturned again, the force application rod 14 can smoothly drive the connecting rod 19 to rotate again, and further continuous overturning and fixing of the workpiece 24 can be realized.
In this embodiment, the clamping mechanism further includes two opposite front and rear fixing mechanisms fixedly mounted on the top surface of the placement table 8, and the two front and rear fixing mechanisms are respectively located at the front and rear sides of the workpiece 24 and used for fixing the front and rear sides of the workpiece 24 (the toggle plate 13 and the baffle plate 23 are used for clamping and fixing the left and right sides of the workpiece 24) so as to improve the fixing effect of the workpiece 24. In this embodiment, the length of the workpiece 24 in the front-rear direction is constant, when the toggle plate 13 is in the horizontal state, the front-rear fixing mechanism automatically fixes the front and rear sides of the workpiece 24, and as long as the toggle plate 13 is not in the horizontal state, the front-rear fixing mechanism does not have a fixing effect on the front and rear sides of the workpiece 24.
The front-back fixing mechanism comprises a sealing box body 20, the sealing box body 20 comprises a first box body 2001 and a second box body 2002, the inner cavity of the first box body 2001 and the inner cavity of the second box body 2002 are mutually communicated, a stress column 21 is connected to the first box body 2001 in a sliding sealing mode, an extrusion column 22 is connected to the second box body 2002 in a dynamic sealing mode, the stress column 21 is a cuboid or polygonal body, the stress column 21 can be prevented from rotating, the end face of the free end of the stress column 21 is an inclined face, the front side face and the rear side face of the stirring plate 13 are inclined faces, the stress columns 21 on the two front-back fixing mechanisms are respectively located on the left side and the right side face of the stirring plate 13, the extrusion columns 22 on the two front-back fixing mechanisms are respectively located on the front side and the rear side face of a workpiece 24, when the stirring plate 13 is in a horizontal state, the left side face and the right side face of the stirring plate 13 is respectively attached to the stress columns 21 on the two front-back fixing mechanisms and extruded, and the front-back side faces of the workpiece 24 are respectively attached to the extrusion columns 22 on the two front-back fixing mechanisms and extruded, and the front-back sides of the workpiece 24 are fixed.
Specifically, with the above structure, when the toggle plate 13 is in a non-horizontal state, the front and rear sides of the toggle plate 13 do not contact or contact with the inclined surfaces of the stress posts 21 on the two front and rear fixing mechanisms, but the extrusion force is smaller, so that the extrusion posts 22 do not contact or contact with the workpiece 24, but the extrusion force is smaller (i.e., the friction force between the extrusion posts is smaller), and the front and rear fixing mechanisms do not affect the overturning and clamping fixing actions of the workpiece 24;
when the toggle plate 13 is continuously changed from a non-horizontal state to a horizontal state, the front side and the rear side of the toggle plate 13 are continuously close to the inclined surfaces of the stress columns 21 on the two front and rear fixing mechanisms respectively until the front side and the rear side of the toggle plate 13 are attached to the inclined surfaces of the stress columns 21, then extrusion is performed, when the front side and the rear side of the toggle plate 13 extrude the stress columns 21, the stress columns 21 move into the first box 2001, so that the pressure in the inner cavities of the first box 2001 and the second box 2002 is increased, the extrusion columns 22 move out of the second box 2002, and the extrusion columns 22 of the two front and rear fixing mechanisms respectively extrude the front side and the rear side of the workpiece 24, so that the fixing of the front side and the rear side of the workpiece 24 is realized. And in the process of fixing the front side and the rear side of the workpiece 24, the workpiece 24 can be automatically centered, so that the cutter 4 can more conveniently determine the position.
In summary, only by rotating the toggle plate 13, four actions of fixing the workpiece 24 in the left-right direction, fixing the workpiece 24 in the front-rear direction, centering the workpiece 24, and turning the workpiece 24 can be simultaneously realized, and the operation efficiency is very high.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. The utility model provides a multiaxis linkage numerically controlled fraise machine, includes base (2) and slides clamping mechanism (7) that set up to have on base (2) to be used for fixed work piece (24), its characterized in that: the clamping mechanism (7) comprises a baffle plate (23) and a poking plate (13) which are oppositely arranged, and a drive (12) connected with the poking plate (13), wherein the workpiece (24) is positioned between the baffle plate (23) and the poking plate (13),
the turnover transmission mechanism is also included, and when the toggle plate (13) moves towards the baffle plate (23) to clamp and fix the workpiece (24), the toggle plate (13) drives the turnover transmission mechanism to drive the workpiece (24) to turn over;
the clamping mechanism (7) further comprises a placing table (8) which is in sliding connection with the base (2), the baffle (23) is fixedly arranged on the placing table (8), and the toggle plate (13) and the driving plate (12) are horizontally and elastically arranged on the placing table (8) in a sliding manner;
the turnover transmission mechanism comprises an ejector rod (25) which is in sliding connection with the placing table (8) and is positioned below the workpiece (24) and a connecting rod (19) which is rotatably arranged on the placing table (8), one end of the connecting rod (19) is in sliding butt joint with the bottom of the ejector rod (25), and the end part of the stirring plate (13) is provided with a force application rod (14) which is in sliding butt joint with the other end of the connecting rod (19);
the connecting rod (19) comprises a right straight plate (1901), a middle inclined plate (1902) and a left inclined plate (1903) which are sequentially arranged, wherein the top surfaces of the middle inclined plate (1902) and the left inclined plate (1903) are respectively inclined upwards in the directions close to each other, the upper half parts of the right straight plate (1901) and the middle inclined plate (1902) are positioned above the placing table (8), and the lower half parts of the left inclined plate (1903) and the middle inclined plate (1902) are positioned below the placing table (8).
2. The multi-axis linkage numerically controlled fraise machine of claim 1, wherein: the placing table (8) is provided with an avoidance port (804) corresponding to the connecting rod (19), and the connecting rod (19) passes through the avoidance port (804).
3. The multi-axis linkage numerically controlled fraise machine of claim 1, wherein: the output of drive (12) is through pivot (15) and stir board (13) fixed connection, the free end of pivot (15) passes stir board (13) and rotates and be connected with backup pad (11), place first spout (801) of two relative settings of top surface of platform (8) and set up, one of them slide on first spout (801) and be provided with first slide (9), another slide on first spout (801) is provided with second slide (10), backup pad (11) fixed mounting is on first slide (9), drive (12) fixed mounting is on second slide (10).
4. A multi-axis linkage numerically controlled milling machine as in claim 3, wherein: the stirring plate (13) is provided with a notch (1301), the rotating shaft (15) penetrates through the notch (1301), the rotating shaft (15) in the notch (1301) is rotatably provided with a horizontal elastic member (18), the placing table (8) is fixedly provided with a fixing plate (17), and the end part of the horizontal elastic member (18) is fixedly connected with the fixing plate (17).
5. A multi-axis linkage numerically controlled milling machine as in claim 3, wherein: the ejector rod (25) is positioned on one side of the workpiece (24) far away from the poking plate (13), and the upward movement of the ejector rod (25) drives one side of the workpiece (24) far away from the poking plate (13) to tilt so as to enable the workpiece (24) to turn over.
6. A multi-axis linkage numerically controlled milling machine as in claim 3, wherein: the ejector rod (25) comprises a vertical rod (2501) and a hemispherical body (2502) which are sequentially arranged up and down, and the bottom of the hemispherical body (2502) is abutted with the top surface of the left inclined plate (1903).
7. The multi-axis linkage numerically controlled fraise machine of claim 6, wherein: when the force application rod (14) is in a horizontal state, the right straight plate (1901) is also in a horizontal state, and the bottom surface of the force application rod (14) is in contact with the top surface of the right straight plate (1901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210168194.0A CN114515855B (en) | 2022-02-23 | 2022-02-23 | Multi-axis linkage numerical control milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210168194.0A CN114515855B (en) | 2022-02-23 | 2022-02-23 | Multi-axis linkage numerical control milling machine |
Publications (2)
| Publication Number | Publication Date |
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| CN114515855A CN114515855A (en) | 2022-05-20 |
| CN114515855B true CN114515855B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210168194.0A Active CN114515855B (en) | 2022-02-23 | 2022-02-23 | Multi-axis linkage numerical control milling machine |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022314A (en) * | 1975-06-02 | 1977-05-10 | Cornell Cyrus J | Sawmill apparatus |
| JP2000318831A (en) * | 1999-04-30 | 2000-11-21 | Ishida Co Ltd | Box attitude changing mechanism |
| CA2507615A1 (en) * | 2002-12-03 | 2004-07-22 | Richard W. Kauppila | High speed turnover apparatus and method |
| JP2005082362A (en) * | 2003-09-10 | 2005-03-31 | Asahi Breweries Ltd | Box reversal method and device, and dust removal device using them |
| US20050150743A1 (en) * | 2004-01-08 | 2005-07-14 | Deane Henderson | Wane orientation board turner |
| CN205010987U (en) * | 2015-09-22 | 2016-02-03 | Tcl王牌电器(惠州)有限公司 | Turning device of adj. tabular work piece and production line of adj. tabular work piece |
| CN112643107B (en) * | 2020-12-21 | 2024-11-05 | 贵州海宇航天精密科技有限公司 | Horizontal milling machine equipment used in the preparation of aerospace component molds |
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