CN112296726A - Automatic workpiece aligning and position adjusting device for numerically controlled milling machine - Google Patents
Automatic workpiece aligning and position adjusting device for numerically controlled milling machine Download PDFInfo
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- CN112296726A CN112296726A CN202011287306.1A CN202011287306A CN112296726A CN 112296726 A CN112296726 A CN 112296726A CN 202011287306 A CN202011287306 A CN 202011287306A CN 112296726 A CN112296726 A CN 112296726A
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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
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
- B23Q3/186—Aligning devices
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Abstract
The invention relates to the relevant field of numerical control milling machines, and discloses a workpiece automatic alignment and position adjustment device for a numerical control milling machine, which comprises a main box body, wherein a fixture body cavity with an upward opening is arranged in the main box body, a fixture body is connected in the fixture body cavity in a sliding fit manner, a workpiece cavity with an upward opening is arranged in the fixture body, a magnetic flux cavity is communicated and arranged on the lower end wall of the workpiece cavity, workpieces are abutted on the rear end wall and the left end wall of the workpiece cavity, the automatic alignment of the workpiece and the automatic adjustment of the position of the milling cutter relative to the workpiece are completed by fixing the workpiece and automatically calibrating the milling initial position, so that the workload of workers is effectively reduced, the milling efficiency is improved, the error in manual clamping is reduced, the dispersion range of processing errors is reduced, and simultaneously, the device can adapt to workpieces with different shapes and workpieces with different milling initial positions, the applicability of the device is enhanced, and the production cost is reduced.
Description
Technical Field
The invention relates to the related field of numerical control milling machines, in particular to a workpiece automatic alignment and position adjustment device for a numerical control milling machine.
Background
The numerical control milling machine is characterized in that a workpiece is firstly positioned and clamped in the machining process of the numerical control milling machine, so that the workpiece can obtain the correct position relative to the milling machine and a cutter, the common clamping methods comprise an alignment method and a clamp clamping, the alignment method and the clamp clamping need to perform manual scribing, then the alignment and the clamp clamping need to adjust the position of the milling cutter relative to the workpiece, the process is complex, the efficiency is low, each workpiece to be machined needs to be repeatedly clamped, the dispersion range of machining errors of a batch of machined workpieces is large, the clamp clamping method needs to design a production clamp, the production cost is high, in addition, the appearance of the workpiece is different from the position of a milling groove, and the difficulty in clamping the.
Disclosure of Invention
The invention aims to provide a workpiece automatic alignment and position adjustment device for a numerically controlled milling machine, which can overcome the defects in the prior art, so that the practicability of equipment is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a workpiece automatic alignment and position adjustment device for a numerical control milling machine, which comprises a main box body, wherein a fixture body cavity with an upward opening is arranged in the main box body, a fixture body is connected in the fixture body cavity in a sliding fit manner, a workpiece cavity with an upward opening is arranged in the fixture body, a magnetic through cavity is communicated and arranged at the lower end wall of the workpiece cavity, workpieces are abutted against the rear end wall and the left end wall of the workpiece cavity, a magnetic patch is fixedly connected to the lower end surface of each workpiece, a positive pulley cavity is arranged at the rear side of the fixture body cavity, a positive lead screw through cavity is communicated and arranged between the front end wall of the positive pulley cavity and the rear end wall of the fixture body cavity, a positive lead screw which penetrates through the positive lead screw through cavity backwards and extends into the positive pulley cavity backwards is connected in the fixture body cavity in a threaded fit manner, a first belt pulley positioned in the positive pulley cavity is fixedly connected to the positive lead screw, a conversion cavity is arranged on the front side of the middle belt wheel cavity, a movable gear cavity is communicated with and arranged on the front end wall of the conversion cavity, a side belt wheel cavity extending forwards is arranged on the right side of the movable gear cavity, a transmission sleeve extending rightwards into the side belt wheel cavity is connected with the right end wall of the movable gear cavity in a rotating fit manner, a second belt wheel positioned in the side belt wheel cavity is fixedly connected onto the transmission sleeve, a side auxiliary belt wheel shaft extending leftwards into the side belt wheel cavity is connected with the right end wall of the side belt wheel cavity in a rotating fit manner, a third belt wheel positioned in the side belt wheel cavity is fixedly connected onto the side auxiliary belt wheel shaft, a side screw rod through cavity is communicated between the left end wall of the side belt wheel cavity and the right end wall of the clamp body cavity, a side screw rod penetrating rightwards through the side screw rod through cavity and extending rightwards into the side belt wheel cavity is connected onto the clamp body cavity in a threaded fit manner, and a fourth, and a side conveying belt positioned in the side belt wheel cavity is connected among the fourth belt wheel, the third belt wheel and the second belt wheel in a power fit manner.
On the basis of the technical scheme, a positive fixed block cavity is communicated with the front end wall of the workpiece cavity, a positive sleeve cavity is communicated with the front end wall of the positive fixed block cavity, a positive driven bevel gear cavity is arranged on the rear side of the positive sleeve cavity, a positive driving bevel gear cavity is communicated with the upper end wall of the positive driven bevel gear cavity, the upper end wall of the positive driving bevel gear cavity is connected with a positive rotating button shaft which extends downwards into the positive driving bevel gear cavity and extends upwards into the clamp body cavity in a rotating fit manner, a positive rotating button which is positioned in the clamp body cavity is fixedly connected to the positive rotating button shaft, a positive driving bevel gear which is positioned in the positive driving bevel gear cavity is also fixedly connected to the positive rotating button shaft, the rear end wall of the positive driven bevel gear cavity is connected with a positive sleeve shaft which extends forwards into the positive driven bevel gear cavity and extends backwards into the positive sleeve cavity in a rotating fit manner, and a positive driven bevel gear which is positioned in the positive driven bevel gear cavity is fixedly connected to, the positive driven bevel gear is meshed with the positive driving bevel gear, the rear end face of the positive sleeve shaft is fixedly connected with a positive sleeve positioned in the positive sleeve cavity, the inner thread of the positive sleeve is connected with a positive push rod partially positioned in the positive fixed block cavity in a matching mode, the rear end face of the positive push rod is fixedly connected with a positive fixed block partially positioned in the positive fixed block cavity, and the rear end face of the positive fixed block is fixedly connected with a positive rubber pad positioned in the workpiece cavity.
On the basis of the technical scheme, a side fixed block cavity is communicated with the right end wall of the workpiece cavity, a side sleeve cavity is communicated with the right end wall of the side fixed block cavity, a side driven bevel gear cavity is arranged on the right side of the side sleeve cavity, a side driving bevel gear cavity is communicated with the upper end surface of the side driven bevel gear cavity, the upper end wall of the side driving bevel gear cavity is connected with a side knob shaft which extends downwards into the side driving bevel gear cavity and upwards into the clamp body cavity in a rotating fit manner, a side knob which is positioned in the clamp body cavity is fixedly connected with the side knob shaft, the side driving bevel gear which is positioned in the side driving bevel gear cavity is also fixedly connected with the side knob shaft, the left end wall of the side driven bevel gear cavity is connected with a side sleeve shaft which extends rightwards into the side driven bevel gear cavity and leftwards into the side sleeve cavity in a rotating fit manner, and the side driven bevel gear which is positioned in the side driven bevel gear cavity is fixedly connected with the side sleeve shaft, the side driven bevel gear is meshed with the side driving bevel gear, the left end face of the side sleeve shaft is fixedly connected with a side sleeve located in the side sleeve cavity, the side sleeve is in threaded fit connection with a side push rod, the part of the side push rod is located in the side fixing block cavity, the left end face of the side push rod is fixedly connected with a side fixing block, the part of the side push rod is located in the side fixing block cavity, and the left end face of the side fixing block is fixedly connected with a side rubber pad located in the workpiece cavity.
On the basis of the technical scheme, a motor positioned at the rear side of the middle belt wheel cavity is arranged in the main box body, the front end face of the motor is fixedly connected with a driving shaft which penetrates through the middle belt wheel cavity forwards and extends forwards into the conversion cavity, the driving shaft is fixedly connected with a fifth belt wheel positioned in the middle belt wheel cavity, the front end wall of the middle belt wheel cavity is connected with a main belt wheel shaft which extends backwards into the middle belt wheel cavity and extends forwards into the positive belt wheel cavity in a rotating matching manner, the main belt wheel shaft is fixedly connected with a sixth belt wheel positioned in the middle belt wheel cavity, an intermediate conveying belt is connected between the sixth belt wheel and the fifth belt wheel in a power matching manner, the main belt wheel shaft is also fixedly connected with a seventh belt wheel positioned in the positive belt wheel cavity, the rear end wall of the positive belt wheel cavity is connected with a main auxiliary belt wheel shaft which extends forwards into the positive belt wheel cavity in a rotating matching manner, fixedly connected with is located on the main auxiliary pulley shaft the eighth band pulley of positive band pulley intracavity, the eighth band pulley first band pulley with power fit is connected with positive conveying belt between the seventh band pulley, middle band pulley chamber front end wall intercommunication is equipped with the tensioning piece chamber, middle band pulley chamber rear end wall intercommunication be equipped with the tensioning piece groove that the tensioning piece chamber corresponds, tensioning piece intracavity sliding fit is connected with the part and is located the tensioning piece of tensioning piece inslot.
On the basis of the technical scheme, a driving shaft bevel gear positioned in the conversion cavity is fixedly connected to the driving shaft, a reverse shaft extending leftwards into the conversion cavity is connected to the right end wall of the conversion cavity in a rotating fit manner, a reverse gear positioned in the conversion cavity is fixedly connected to the reverse shaft, a reverse bevel gear positioned in the conversion cavity is also fixedly connected to the reverse shaft, the reverse bevel gear is meshed with the driving shaft bevel gear, the right end face of the reverse bevel gear is fixedly connected to the left end face of the reverse gear, a forward shaft extending rightwards into the conversion cavity is connected to the left end wall of the conversion cavity in a rotating fit manner, a forward gear positioned in the conversion cavity is fixedly connected to the forward shaft, a forward bevel gear positioned in the conversion cavity is also fixedly connected to the forward shaft, and the forward bevel gear is meshed with the driving shaft bevel gear, the left end face of the forward rotation bevel gear is fixedly connected with the right end face of the forward rotation gear, a moving shaft which extends to the moving gear cavity leftwards is connected in a matched mode with an internal spline of the transmission sleeve, a moving gear which is located in the moving gear cavity is fixedly connected to the moving shaft, the left end face of the moving shaft is connected with a moving shaft disc in a matched mode in a rotating mode, and a moving shaft disc spring is fixedly connected between the left end face of the moving shaft disc and the left end wall of the moving gear cavity.
On the basis of the technical scheme, the lower end wall of the clamp body cavity is communicated with a left slide block cavity positioned at the rear side of the clamp body, the lower end wall of the clamp body cavity is communicated with a right slide block cavity positioned at the right side of the left slide block cavity, a left slide block is connected in the left slide block cavity in a sliding fit manner, a left slide block spring is fixedly connected between the lower end surface of the left slide block and the lower end wall of the left slide block cavity, the lower end surface of the left slide block is fixedly connected with a first pull rope, the other end of the first pull rope is fixedly connected with the lower end surface of the tensioning block, a right slide block is connected in the right slide block cavity in a sliding fit manner, a right slide block spring is fixedly connected between the lower end surface of the right slide block and the lower end wall of the right slide block cavity, a second pull rope is fixedly connected with the lower end surface of the right, the other end of the third pull rope is fixedly connected with the left end face of the movable shaft disc, the lower end face of the right slide block is also fixedly connected with a fourth pull rope, and the other end of the fourth pull rope is fixedly connected with the lower end face of the left slide block.
The invention has the beneficial effects that: the automatic alignment of the workpiece and the automatic adjustment of the position of the milling cutter relative to the workpiece are completed by firstly fixing the workpiece and then automatically calibrating the milling initial position, so that the workload of workers is effectively reduced, the milling efficiency is improved, errors in manual clamping are reduced, the dispersion range of machining errors is reduced, meanwhile, the device can adapt to workpieces with different shapes and workpieces with different milling initial positions, the applicability of the device is enhanced, and the production cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of an automatic workpiece alignment and position adjustment device for a numerically controlled milling machine according to the present invention.
Fig. 2 is a schematic sectional view of a-a in fig. 1.
Fig. 3 is a schematic sectional structure view of B-B in fig. 2.
Fig. 4 is a schematic sectional structure view of C-C in fig. 2.
Fig. 5 is an enlarged schematic view of the structure at D in fig. 1.
Fig. 6 is an enlarged schematic view of fig. 2 at E.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-6, the automatic workpiece aligning and position adjusting device for the numerically controlled milling machine comprises a main box body 10, a fixture body cavity 11 with an upward opening is arranged in the main box body 10, a fixture body 12 is connected in the fixture body cavity 11 in a sliding fit manner, a workpiece cavity 16 with an upward opening is arranged in the fixture body 12, a magnetic flux cavity 13 is communicated with the lower end wall of the workpiece cavity 16, a workpiece 15 is abutted against the rear end wall and the left end wall of the workpiece cavity 16, a magnetic patch 14 is fixedly connected to the lower end surface of the workpiece 15, a normal pulley cavity 19 is arranged on the rear side of the fixture body cavity 11, a normal screw rod through cavity 18 is communicated between the front end wall of the normal pulley cavity 19 and the rear end wall of the fixture body cavity 11, a normal screw rod 17 which penetrates through the normal screw rod through cavity 18 backwards and extends backwards into the normal pulley cavity 19 is connected in a threaded fit manner in the fixture body cavity 11, a first belt pulley 22 which is positioned in the normal pulley cavity 19, the rear side of the front pulley cavity 19 is provided with a middle pulley cavity 26 extending rightwards, the front side of the middle pulley cavity 26 is provided with a conversion cavity 72, the front end wall of the conversion cavity 72 is communicated with a movable gear cavity 71, the right side of the movable gear cavity 71 is provided with a side pulley cavity 29 extending forwards, the right end wall of the movable gear cavity 71 is connected with a transmission sleeve 91 extending rightwards into the side pulley cavity 29 in a rotating fit manner, the transmission sleeve 91 is fixedly connected with a second pulley 90 positioned in the side pulley cavity 29, the right end wall of the side pulley cavity 29 is connected with a side auxiliary pulley shaft 33 extending leftwards into the side pulley cavity 29 in a rotating fit manner, the side auxiliary pulley shaft 33 is fixedly connected with a third pulley 34 positioned in the side pulley cavity 29, the left end wall of the side pulley cavity 29 is communicated with the right end wall of the clamp cavity 11 to be provided with a side screw through cavity 28, and the clamp cavity 11 is connected with a screw thread through the side screw through cavity 28 rightwards and extends rightwards into the side screw through cavity 28 in a matching manner The side screw 30 is fixedly connected to the side screw 30, the fourth belt pulley 31 is located in the side belt pulley cavity 29, and the side transmission belt 32 is located in the side belt pulley cavity 29 and is connected among the fourth belt pulley 31, the third belt pulley 34 and the second belt pulley 90 in a power fit manner.
In addition, in an embodiment, the front end wall of the workpiece cavity 16 is communicated with a positive fixed block cavity 43, the front end wall of the positive fixed block cavity 43 is communicated with a positive sleeve cavity 38, the rear side of the positive sleeve cavity 38 is provided with a positive driven bevel gear cavity 37, the upper end wall of the positive driven bevel gear cavity 37 is communicated with a positive driving bevel gear cavity 35, the upper end wall of the positive driving bevel gear cavity 35 is connected with a positive knob shaft 46 which extends downwards into the positive driving bevel gear cavity 35 and upwards into the fixture body cavity 11 in a rotating and matching manner, the positive knob shaft 46 is fixedly connected with a positive knob 45 which is positioned in the fixture body cavity 11, the positive knob shaft 46 is further fixedly connected with a positive driving bevel gear 44 which is positioned in the positive driving bevel gear cavity 35, the rear end wall of the positive driven bevel gear cavity 37 is connected with a positive sleeve shaft 36 which extends forwards into the positive driven bevel gear cavity 37 and backwards into the positive sleeve cavity 38 in a rotating and matching manner, the positive sleeve shaft 36 is fixedly connected with a positive driven bevel gear 93 positioned in the positive driven bevel gear cavity 37, the positive driven bevel gear 93 is meshed with the positive driving bevel gear 44, the rear end face of the positive sleeve shaft 36 is fixedly connected with a positive sleeve 39 positioned in the positive sleeve cavity 38, the positive sleeve 39 is in threaded fit connection with a positive push rod 40 partially positioned in the positive fixed block cavity 43, the rear end face of the positive push rod 40 is fixedly connected with a positive fixed block 42 partially positioned in the positive fixed block cavity 43, and the rear end face of the positive fixed block 42 is fixedly connected with a positive rubber pad 41 positioned in the workpiece cavity 16.
In addition, in one embodiment, the right end wall of the workpiece cavity 16 is communicated with a side fixed block cavity 63, the right end wall of the side fixed block cavity 63 is communicated with a side sleeve cavity 58, the right side of the side sleeve cavity 58 is provided with a side driven bevel gear cavity 57, the upper end surface of the side driven bevel gear cavity 57 is communicated with a side driving bevel gear cavity 64, the upper end wall of the side driving bevel gear cavity 64 is connected with a side knob shaft 66 which extends downwards into the side driving bevel gear cavity 64 and upwards into the fixture cavity 11 in a rotating fit manner, the side knob shaft 66 is fixedly connected with a side knob 65 which is positioned in the fixture cavity 11, the side knob shaft 66 is also fixedly connected with a side driving bevel gear 67 which is positioned in the side driving bevel gear cavity 64, the left end wall of the side driven bevel gear cavity 57 is connected with a side sleeve shaft 68 which extends rightwards into the side driven bevel gear cavity 57 and leftwards into the side sleeve cavity 58 in a rotating fit manner, the side sleeve shaft 68 is fixedly connected with a side driven bevel gear 69 positioned in the side driven bevel gear cavity 57, the side driven bevel gear 69 is meshed with the side driving bevel gear 67, the left end face of the side sleeve shaft 68 is fixedly connected with a side sleeve 59 positioned in the side sleeve cavity 58, the side sleeve 59 is in threaded fit connection with a side push rod 60, the part of which is positioned in the side fixed block cavity 63, the left end face of the side push rod 60 is fixedly connected with a side fixed block 61, the part of which is positioned in the side fixed block cavity 63, and the left end face of the side fixed block 61 is fixedly connected with a side rubber pad 62 positioned in the workpiece cavity 16.
In addition, in one embodiment, a motor 85 is disposed in the main box 10 and located at the rear side of the intermediate pulley cavity 26, a driving shaft 84 extending forward through the intermediate pulley cavity 26 and forward into the conversion cavity 72 is fixedly connected to the front end surface of the motor 85, a fifth pulley 83 located in the intermediate pulley cavity 26 is fixedly connected to the driving shaft 84, a main pulley shaft 25 extending backward into the intermediate pulley cavity 26 and forward into the positive pulley cavity 19 is rotatably connected to the front end wall of the intermediate pulley cavity 26 in a matching manner, a sixth pulley 24 located in the intermediate pulley cavity 26 is fixedly connected to the main pulley shaft 25, an intermediate belt 27 is connected between the sixth pulley 24 and the fifth pulley 83 in a dynamic matching manner, a seventh pulley 23 located in the positive pulley cavity 19 is further fixedly connected to the main pulley shaft 25, positive pulley chamber 19 rear end wall normal belt pulley chamber 19 is connected with and extends forward to main supplementary pulley shaft 92 in the positive pulley chamber 19, fixedly connected with is located on the main supplementary pulley shaft 92 eighth pulley 20 in the positive pulley chamber 19, eighth pulley 20 first pulley 22 with power fit is connected with positive conveyer belt 21 between the seventh pulley 23, middle pulley chamber 26 front end wall intercommunication is equipped with tensioning piece chamber 78, middle pulley chamber 26 rear end wall intercommunication be equipped with tensioning piece groove 80 that tensioning piece chamber 78 corresponds, sliding fit is connected with the part and is located in the tensioning piece 79 in the tensioning piece groove 80 in the tensioning piece chamber 78.
In addition, in one embodiment, a driving shaft bevel gear 86 located in the conversion cavity 72 is fixedly connected to the driving shaft 84, a reverse shaft 88 extending leftwards into the conversion cavity 72 is rotatably connected to the right end wall of the conversion cavity 72 in a matching manner, a reverse gear 87 located in the conversion cavity 72 is fixedly connected to the reverse shaft 88, a reverse bevel gear 89 located in the conversion cavity 72 is further fixedly connected to the reverse shaft 88, the reverse bevel gear 89 is engaged with the driving shaft bevel gear 86, the right end surface of the reverse bevel gear 89 is fixedly connected to the left end surface of the reverse gear 87, a forward shaft 81 extending rightwards into the conversion cavity 72 is rotatably connected to the left end wall of the conversion cavity 72 in a matching manner, a forward gear 76 located in the conversion cavity 72 is fixedly connected to the forward shaft 81, and a forward bevel gear 82 located in the conversion cavity 72 is further fixedly connected to the forward shaft 81, the forward bevel gear 82 is meshed with the driving shaft bevel gear 86, the left end face of the forward bevel gear 82 is fixedly connected with the right end face of the forward gear 76, the transmission sleeve 91 is connected with a moving shaft 70 which extends leftwards into the moving gear cavity 71 in a spline fit mode, the moving shaft 70 is fixedly connected with a moving gear 73 which is located in the moving gear cavity 71, the left end face of the moving shaft 70 is connected with a moving shaft disc 74 in a rotating fit mode, and a moving shaft disc spring 75 is fixedly connected between the left end face of the moving shaft disc 74 and the left end wall of the moving gear cavity 71.
In addition, in one embodiment, the lower end wall of the clamp body cavity 11 is communicated with a left slider cavity 53 located at the rear side of the clamp body 12, the lower end wall of the clamp body cavity 11 is communicated with a right slider cavity 55 located at the right side of the left slider cavity 53, the left slider cavity 53 is connected with a left slider 52 in a sliding fit manner, a left slider spring 51 is fixedly connected between the lower end surface of the left slider 52 and the lower end wall of the left slider cavity 53, the lower end surface of the left slider 52 is fixedly connected with a first pull rope 50, the other end of the first pull rope 50 is fixedly connected with the lower end surface of the tensioning block 79, the right slider cavity 55 is connected with a right slider 54 in a sliding fit manner, a right slider spring 56 is fixedly connected between the lower end surface of the right slider 54 and the lower end wall of the right slider cavity 55, the lower end surface of the right slider 54 is fixedly connected with a second pull rope 47, and the other, the lower end surface of the right sliding block 54 is fixedly connected with a third pull rope 48, the other end of the third pull rope 48 is fixedly connected with the left end surface of the movable shaft disc 74, the lower end surface of the right sliding block 54 is also fixedly connected with a fourth pull rope 49, and the other end of the fourth pull rope 49 is fixedly connected with the lower end surface of the left sliding block 52.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
As shown in fig. 1-6, when the apparatus of the present invention is in an initial state, the positive fixed block 42 is partially located in the positive fixed block cavity 43 at the foremost end of the stroke, the side fixed block 61 is partially located in the side fixed block cavity 63 at the rightmost end of the stroke, the magnetic patch 14 is located at a position corresponding to an initial setting position of a milling cutter of a numerically controlled milling machine cutting into a workpiece at a lower end surface, the tensioning block 79 is partially located in the tensioning block groove 80 to enable the middle conveyor belt 27 to be tensioned and normally run, the tensioning block spring 77 is in a relaxed state, the left slider 52 is located at the lower side of the left slider cavity 53, the right slider 54 is located at the middle of the right slider cavity 55, the left slider spring 51 is in a relaxed state, the first pull rope 50 and the second pull rope 47 are in a tensioned state, the moving gear 73 is located between the forward rotation gear 76 and the reverse rotation gear, the moving-axis disc spring 75 is in a compressed state, and the right slider spring 56 is in a stretched state;
sequence of mechanical actions of the whole device:
when the machine starts to work, a workpiece 15 is placed in a workpiece cavity 16, the rear end face of the workpiece 15 is abutted against the rear end wall of the workpiece cavity 16, the left end face of the workpiece is abutted against the left end wall of the workpiece cavity 16, the lower end face of the workpiece is abutted against the lower end wall of the workpiece cavity 16, a magnetic patch 14 is positioned in a magnetic flux cavity 13, the magnetic patch 14 is used for marking the initial milling position of the workpiece, a positive knob 45 is manually rotated to drive a positive knob shaft 46 to rotate, the positive knob shaft 46 rotates to drive a positive sleeve shaft 36 to rotate through a positive driving bevel gear 44 and a positive driven bevel gear 93, the positive sleeve shaft 36 rotates to drive a positive sleeve 39 to rotate so as to drive a positive push rod 40 to move backwards, the positive push rod 40 moves backwards to drive a positive fixing block 42 and a positive rubber pad 41 to move backwards so that the positive rubber pad 41 is abutted against the front end face of the workpiece 15, the workpiece 15 is fixed in the front-back, the side knob shaft 66 rotates to drive the side sleeve shaft 68 to rotate through the side driving bevel gear 67 and the side driven bevel gear 69, the side sleeve shaft 68 rotates to drive the side sleeve 59 to rotate so as to drive the side push rod 60 to move leftwards, the side push rod 60 moves leftwards so as to drive the side fixing block 61 and the side rubber pad 62 to move leftwards, so that the side rubber pad 62 is abutted against the right end face of the workpiece 15, the workpiece 15 is fixed in the left-right direction, and finally the workpiece 15 is fixed in the workpiece cavity 16.
The driving shaft 84 is rotated by the starting motor 85, the driving shaft 84 rotates to drive the main pulley shaft 25 to rotate through the fifth pulley 83, the middle conveyor belt 27 and the sixth pulley 24, the main pulley shaft 25 rotates to drive the first pulley 22 and the eighth pulley 20 to rotate through the seventh pulley 23 and the positive conveyor belt 21, the first pulley 22 rotates to drive the positive screw 17 to rotate so as to drive the clamp body 12 to move backwards, when the magnetic patch 14 moves rightwards to the upper side of the left slider cavity 53 or the right slider cavity 55, the magnetic patch 14 moves to a milling initial position determined in the front-back direction at the moment, the initial position in the left-right direction is not determined, if the magnetic patch 14 is positioned on the upper side of the right slider cavity 55, the right slider 54 moves upwards under the action of the magnetic force of the right slider spring 56 and pulls the second pull rope 47, the third pull rope 48 and the fourth pull rope 49, and the tensioning block 79 moves forwards under the action of the second pull rope 47 and overcomes the action of the tensioning block spring 77 to release the middle The normal operation cannot be carried out, the first pull rope 50 is loosened, and the fixture body 12 stops moving backwards, so that the magnetic patch 14 is just positioned at the milling initial position determined in the front-back direction; the movable shaft disc 74 moves leftwards under the action of the pulling force of the third pull rope 48 and overcomes the pushing force of a movable shaft disc spring 75 to enable the movable gear 73 to be meshed with the forward rotation gear 76, the drive shaft 84 rotates to drive the forward rotation shaft 81 to rotate through the drive shaft bevel gear 86 and the forward rotation bevel gear 82, the forward rotation shaft 81 rotates to drive the movable shaft 70 to rotate through the forward rotation gear 76 and the movable gear 73 to drive the transmission sleeve 91 to rotate, the transmission sleeve 91 rotates to drive the side screw 30 to rotate through the second belt pulley 90 and the fourth belt pulley 31, and the side screw 30 rotates to drive the clamp body 12 to move leftwards to enable the magnetic patch 14 to move leftwards; the left slider 52 moves downwards under the action of the pulling force of the fourth pulling rope 49 against the pushing force of the left slider spring 51, the position of the tensioning block 79 is not influenced by the loosening of the first pulling rope 50, when the magnetic patch 14 moves between the left slider cavity 53 and the right slider cavity 55, the right slider 54 moves downwards under the action of the pulling force of the right slider spring 56 to reset under the action of the magnetic force of the magnetic patch 14, the second pulling rope 47, the third pulling rope 48 and the fourth pulling rope 49 are loosened, the left slider 52 moves upwards to reset under the action of the pushing force of the left slider spring 51, the tensioning block 79 moves backwards to reset under the action of the pushing force of the tensioning block spring 77, the movable shaft disc 74 moves rightwards to reset under the action of the pushing force of the movable shaft disc spring 75 to disengage the forward rotation gear 76 and the movable gear 73 and restore the idling state, the clamp body 12 stops moving leftwards so that the magnetic patch 14 is just, finally, the magnetic patch 14 is positioned in a position determined in the front-back and left-right directions, and the motor 85 stops operating.
If the magnetic patch 14 is located on the upper side of the left slider cavity 53, the left slider 52 moves upwards under the action of the magnetic attraction of the magnetic patch 14 against the pulling force of the left slider spring 51 and pulls the first pull rope 50 and the fourth pull rope 49, the tensioning block 79 moves forwards under the action of the pulling force of the first pull rope 50 against the pushing force of the tensioning block spring 77 to loosen the intermediate transfer belt 27 and prevent the intermediate transfer belt 27 from normally operating, meanwhile, the second pull rope 47 is loosened, the right slider 54 moves downwards under the action of the pulling force of the fourth pull rope 49 against the pushing force of the right slider spring 56, the second pull rope 47 and the third pull rope 48 are loosened, the loosening of the second pull rope 47 has no influence on the position of the tensioning block 79, the movable shaft disc 74 moves rightwards under the action of the pushing force of the movable shaft disc spring 75 to mesh the movable gear 73 and the counter gear 87, the drive shaft 84 rotates to drive the counter shaft 88 to rotate through, the rotation direction of the reverse gear 87 is opposite to the rotation direction of the forward gear 76 so as to move the fixture body 12 rightwards and drive the magnetic patch 14 rightwards, when the magnetic patch 14 moves between the left slider cavity 53 and the right slider cavity 55, the left slider 52 loses the magnetic attraction force of the magnetic patch 14 and moves downwards under the thrust action of the left slider spring 51 to reset, the first pull rope 50 and the fourth pull rope 49 are loosened, the tensioning block 79 moves backwards and resets under the thrust action of the tensioning block spring 77, the right slider 54 moves upwards and resets under the thrust action of the right slider spring 56, at the moment, the third pull rope 48 and the second pull rope 47 return to the initial state, the movable shaft disc 74 moves leftwards under the tension of the movable shaft disc spring 75 to reset so that the movable gear 73 and the reverse gear 87 are disengaged and return to the idle running state, the fixture body 12 stops moving rightwards so as to enable the magnetic patch 14 to be just positioned between the left slider cavity 53 and the, finally, the magnetic patch 14 is positioned in a position determined in the front-back and left-right directions, and the motor 85 stops operating.
The invention has the beneficial effects that: the automatic alignment of the workpiece and the automatic adjustment of the position of the milling cutter relative to the workpiece are completed by firstly fixing the workpiece and then automatically calibrating the milling initial position, so that the workload of workers is effectively reduced, the milling efficiency is improved, errors in manual clamping are reduced, the dispersion range of machining errors is reduced, meanwhile, the device can adapt to workpieces with different shapes and workpieces with different milling initial positions, the applicability of the device is enhanced, and the production cost is reduced.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an automatic alignment of work piece and position adjustment device for numerically controlled fraise machine, includes the main tank body, its characterized in that: the main box body is internally provided with a clamp body cavity with an upward opening, the clamp body cavity is connected with a clamp body in a sliding fit manner, the clamp body is internally provided with a workpiece cavity with an upward opening, the lower end wall of the workpiece cavity is communicated with a magnetic through cavity, the rear end wall of the workpiece cavity and the rear end wall of the clamp body cavity are abutted with workpieces, the lower end surface of each workpiece is fixedly connected with a magnetic patch, the rear side of the clamp body cavity is provided with a positive belt wheel cavity, a positive lead screw through cavity is communicated between the front end wall of the positive belt wheel cavity and the rear end wall of the clamp body cavity, the clamp body cavity is connected with a positive lead screw which penetrates through the positive lead screw through cavity backwards and extends into the positive belt wheel cavity backwards in a threaded fit manner, the positive lead screw is fixedly connected with a first belt wheel positioned in the positive belt wheel cavity, the rear side of the positive belt wheel cavity is provided with a middle belt wheel cavity extending rightwards, it is equipped with the side band pulley chamber that extends forward to remove gear chamber right side, it is connected with and extends to right to remove gear chamber right-hand member wall normal running fit the transmission sleeve of side band pulley intracavity, fixedly connected with is located on the transmission sleeve second band pulley of side band pulley intracavity, side band pulley chamber right-hand member wall normal running fit is connected with and extends to left the supplementary band pulley axle of side in the side band pulley chamber, the epaxial fixedly connected with of supplementary band pulley of side is located the third band pulley of side band pulley intracavity, side band pulley chamber left end wall with the intercommunication is equipped with side lead screw logical chamber between the wall of anchor clamps coelom right side, anchor clamps coelom female fit is connected with and runs through right side lead screw logical chamber and extend right to the side lead screw of side band pulley intracavity, fixedly connected with is located on the side lead screw the fourth band pulley of side band pulley intracavity, the fourth band pulley the power fit between third band pulley and the second band pulley is connected with and is located the side transmission in the And (4) feeding the belt.
2. The automatic workpiece aligning and position adjusting device for the numerically controlled milling machine according to claim 1, wherein: the front end wall of the workpiece cavity is communicated with a positive fixed block cavity, the front end wall of the positive fixed block cavity is communicated with a positive sleeve cavity, the rear side of the positive sleeve cavity is provided with a positive driven bevel gear cavity, the upper end wall of the positive driven bevel gear cavity is communicated with a positive driving bevel gear cavity, the upper end wall of the positive driving bevel gear cavity is connected with a positive rotating button shaft which extends downwards into the positive driving bevel gear cavity and extends upwards into the clamp body cavity in a rotating and matching manner, the positive rotating button shaft is fixedly connected with a positive rotating button which is positioned in the clamp body cavity, the positive rotating button shaft is also fixedly connected with a positive driving bevel gear which is positioned in the positive driving bevel gear cavity, the rear end wall of the positive driven bevel gear cavity is connected with a positive sleeve shaft which extends forwards into the positive driven bevel gear cavity and extends backwards into the positive sleeve cavity in a rotating and matching manner, and the positive sleeve shaft is fixedly connected with a positive driven bevel gear which is positioned in the, the positive driven bevel gear is meshed with the positive driving bevel gear, the rear end face of the positive sleeve shaft is fixedly connected with a positive sleeve positioned in the positive sleeve cavity, the inner thread of the positive sleeve is connected with a positive push rod partially positioned in the positive fixed block cavity in a matching mode, the rear end face of the positive push rod is fixedly connected with a positive fixed block partially positioned in the positive fixed block cavity, and the rear end face of the positive fixed block is fixedly connected with a positive rubber pad positioned in the workpiece cavity.
3. The automatic workpiece aligning and position adjusting device for the numerically controlled milling machine according to claim 1, wherein: the right end wall of the workpiece cavity is communicated with a side fixing block cavity, the right end wall of the side fixing block cavity is communicated with a side sleeve cavity, the right side of the side sleeve cavity is provided with a side driven bevel gear cavity, the upper end surface of the side driven bevel gear cavity is communicated with a side driving bevel gear cavity, the upper end wall of the side driving bevel gear cavity is connected with a side knob shaft which extends downwards into the side driving bevel gear cavity and upwards into the clamp body cavity in a rotating fit manner, the side knob shaft is fixedly connected with a side knob which is positioned in the clamp body cavity, the side knob shaft is also fixedly connected with a side driving bevel gear which is positioned in the side driving bevel gear cavity, the left end wall of the side driven bevel gear cavity is connected with a side sleeve shaft which extends rightwards into the side driven bevel gear cavity and leftwards into the side sleeve cavity in a rotating fit manner, the side sleeve shaft is fixedly connected with a side driven bevel gear which is positioned in the side driven bevel gear cavity, the side driven bevel gear is meshed with the side driving bevel gear, the left end face of the side sleeve shaft is fixedly connected with a side sleeve located in the side sleeve cavity, the side sleeve is in threaded fit connection with a side push rod, the part of the side push rod is located in the side fixing block cavity, the left end face of the side push rod is fixedly connected with a side fixing block, the part of the side push rod is located in the side fixing block cavity, and the left end face of the side fixing block is fixedly connected with a side rubber pad located in the workpiece cavity.
4. The automatic workpiece aligning and position adjusting device for the numerically controlled milling machine according to claim 1, wherein: a motor positioned at the rear side of the middle belt wheel cavity is arranged in the main box body, the front end surface of the motor is fixedly connected with a driving shaft which penetrates through the middle belt wheel cavity forwards and extends forwards into the conversion cavity, the driving shaft is fixedly connected with a fifth belt wheel positioned in the middle belt wheel cavity, the front end wall of the middle belt wheel cavity is connected with a main belt wheel shaft which extends backwards into the middle belt wheel cavity and extends forwards into the positive belt wheel cavity in a rotating matching manner, the main belt wheel shaft is fixedly connected with a sixth belt wheel positioned in the middle belt wheel cavity, an intermediate conveying belt is connected between the sixth belt wheel and the fifth belt wheel in a power matching manner, the main belt wheel shaft is also fixedly connected with a seventh belt wheel positioned in the positive belt wheel cavity, the rear end wall of the positive belt wheel cavity is connected with a main auxiliary belt wheel shaft which extends forwards into the positive belt wheel cavity in a rotating matching manner, fixedly connected with is located on the main auxiliary pulley shaft the eighth band pulley of positive band pulley intracavity, the eighth band pulley first band pulley with power fit is connected with positive conveying belt between the seventh band pulley, middle band pulley chamber front end wall intercommunication is equipped with the tensioning piece chamber, middle band pulley chamber rear end wall intercommunication be equipped with the tensioning piece groove that the tensioning piece chamber corresponds, tensioning piece intracavity sliding fit is connected with the part and is located the tensioning piece of tensioning piece inslot.
5. The automatic workpiece aligning and position adjusting apparatus for a numerically controlled milling machine according to claim 4, wherein: the driving shaft is fixedly connected with a driving shaft bevel gear positioned in the conversion cavity, the right end wall of the conversion cavity is connected with a reverse shaft which extends leftwards into the conversion cavity in a rotating matching manner, the reverse shaft is fixedly connected with a reverse gear positioned in the conversion cavity, the reverse shaft is also fixedly connected with a reverse bevel gear positioned in the conversion cavity, the reverse bevel gear is meshed with the driving shaft bevel gear, the right end surface of the reverse bevel gear is fixedly connected with the left end surface of the reverse gear, the left end wall of the conversion cavity is connected with a forward shaft which extends rightwards into the conversion cavity in a rotating matching manner, the forward shaft is fixedly connected with a forward gear positioned in the conversion cavity, the forward shaft is also fixedly connected with a forward bevel gear positioned in the conversion cavity, the forward bevel gear is meshed with the driving shaft bevel gear, and the left end surface of the forward bevel gear is fixedly connected with, the internal spline fit connection of transmission sleeve has left and extends to the removal axle of removal gear intracavity, remove epaxial fixedly connected with and be located the removal gear of removal gear intracavity, removal axle left end face normal running fit is connected with the removal reel, removal reel left end face with fixedly connected with removes the reel spring between the removal gear chamber left end wall.
6. The automatic workpiece aligning and position adjusting device for the numerically controlled milling machine according to claim 1, wherein: the lower end wall of the clamp body cavity is communicated with a left slide block cavity positioned at the rear side of the clamp body, the lower end wall of the clamp body cavity is communicated with a right slide block cavity positioned at the right side of the left slide block cavity, a left slide block is connected in the left slide block cavity in a sliding fit manner, a left slide block spring is fixedly connected between the lower end surface of the left slide block and the lower end wall of the left slide block cavity, the lower end surface of the left slide block is fixedly connected with a first pull rope, the other end of the first pull rope is fixedly connected with the lower end surface of the tensioning block, a right slide block is connected in the right slide block cavity in a sliding fit manner, a right slide block spring is fixedly connected between the lower end surface of the right slide block and the lower end wall of the right slide block cavity, a second pull rope is fixedly connected with the lower end surface of the tensioning block, the other end of the third pull rope is fixedly connected with the left end face of the movable shaft disc, the lower end face of the right slide block is also fixedly connected with a fourth pull rope, and the other end of the fourth pull rope is fixedly connected with the lower end face of the left slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287306.1A CN112296726A (en) | 2020-11-17 | 2020-11-17 | Automatic workpiece aligning and position adjusting device for numerically controlled milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287306.1A CN112296726A (en) | 2020-11-17 | 2020-11-17 | Automatic workpiece aligning and position adjusting device for numerically controlled milling machine |
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| Publication Number | Publication Date |
|---|---|
| CN112296726A true CN112296726A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011287306.1A Withdrawn CN112296726A (en) | 2020-11-17 | 2020-11-17 | Automatic workpiece aligning and position adjusting device for numerically controlled milling machine |
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| CN (1) | CN112296726A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117300713A (en) * | 2023-12-01 | 2023-12-29 | 宁波肆典零科技有限公司 | Workpiece alignment device and alignment method |
-
2020
- 2020-11-17 CN CN202011287306.1A patent/CN112296726A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117300713A (en) * | 2023-12-01 | 2023-12-29 | 宁波肆典零科技有限公司 | Workpiece alignment device and alignment method |
| CN117300713B (en) * | 2023-12-01 | 2024-03-19 | 宁波肆典零科技有限公司 | Workpiece alignment device and alignment method |
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Application publication date: 20210202 |