CN114273944A - CNC universal jig - Google Patents
CNC universal jig Download PDFInfo
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- CN114273944A CN114273944A CN202111572037.8A CN202111572037A CN114273944A CN 114273944 A CN114273944 A CN 114273944A CN 202111572037 A CN202111572037 A CN 202111572037A CN 114273944 A CN114273944 A CN 114273944A
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Abstract
The invention relates to the technical field of machining auxiliary equipment, in particular to a CNC (computerized numerical control) universal jig which comprises a base, wherein the interior of the base is arranged to be a hollow structure, the inner wall of the upper end of the base is provided with three primary grooves, the three primary grooves are uniformly distributed along the center of the base in an annular manner, the inner wall of the upper end of each primary groove is provided with a secondary groove, the secondary grooves are communicated with the outer surface of the upper part of the base, two sides of the inner wall of each secondary groove are respectively provided with a telescopic plate, the middle of each telescopic plate is provided with a secondary clamping mechanism, the outer surface of the upper end of the base is provided with a tertiary groove at the central position, the bottom end of each tertiary groove is communicated with the inner wall of the base, the middle position of the base is provided with a pre-clamping mechanism, the CNC universal jig is convenient to use by arranging the pre-clamping mechanism, and can save the time required by tool setting, the machining efficiency is improved, the machining precision can be improved by arranging the secondary clamping mechanism, the production cost is reduced, and resources are saved.
Description
Technical Field
The invention relates to the technical field of machining auxiliary equipment, in particular to a CNC (computer numerical control) universal jig.
Background
At present, the base jig is usually used in the processes of CNC machining product outline, drilling machining and the like, and the patent number is: CN108214031A discloses a CNC universal jig, which comprises a base main body, a workpiece clamp and a clamp cover plate, wherein the base main body is provided with a base groove for bearing the workpiece clamp; when a CNC is adopted to process workpieces, the workpieces are arranged in the workpiece placing grooves and on the supporting table, the workpiece fixture is arranged in the base groove, and the fixture cover plate is fixedly arranged on the workpiece fixture. The CNC universal jig comprises a base main body made of ABS and workpiece fixtures made of stainless steel, wherein the base main body and the workpiece fixtures are separately arranged, and different workpiece fixtures can be replaced according to the shapes of machined products.
The existing CNC drilling process needs to fix a workpiece and then adjust the tool at an adjusting position, if the workpiece with an irregular shape inclines in the clamping process, a clamping device needs to be loosened to readjust the position of the workpiece, otherwise, the processed product is unqualified, and therefore time and labor are consumed, the processing efficiency is low, and the use is inconvenient.
Disclosure of Invention
The invention aims to provide a CNC universal jig, which mainly solves the problems that in the existing CNC drilling process, a workpiece needs to be fixed and then subjected to tool setting at an adjusting position, if the workpiece with an irregular shape is inclined in the clamping process, a clamping device needs to be loosened to readjust the position of the workpiece, and otherwise, the processed product is unqualified, so that the time and the labor are consumed, the processing efficiency is low, and the use is inconvenient.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a general tool of CNC, includes the base, the inside of base sets up to hollow structure, three one-level recess has been seted up to the upper end inner wall of base, and is three the central annular evenly distributed of base is followed to the one-level recess, the second grade recess has been seted up to the upper end inner wall of one-level recess, the second grade recess is linked together with the top surface of base, the inner wall both sides of second grade recess all are provided with the expansion plate, the centre of expansion plate is provided with secondary clamping mechanism, the upper end surface of base just is located central point and puts and has seted up tertiary recess, the bottom of tertiary recess is linked together with the inner wall of base, the intermediate position of base is provided with clamping mechanism in advance.
By adopting the technical scheme, the workpiece can be positioned by arranging the pre-clamping mechanism, the position of the workpiece can be adjusted according to a required angle when the tool is set, and the tool setting device is convenient to use, so that the time required by tool setting can be saved, and the machining efficiency is improved; the secondary clamping mechanism can be used for fixing the workpiece, so that the workpiece is prevented from being unqualified due to the fact that the workpiece is subjected to force in the machining process and deviates, machining precision can be improved, production cost is reduced, and resources are saved.
Preferably, the lower end of the base is provided with a rectangular groove, the inner wall of the rectangular groove is provided with a control box, a controller and a storage battery are arranged in the control box, and the controller is electrically connected with the storage battery.
By adopting the technical scheme, the secondary clamping mechanism is convenient to control to clamp the workpiece by arranging the controller; the storage battery can be used for providing a power source for the secondary clamping mechanism.
Preferably, the pre-clamping mechanism comprises a supporting block, a disc, a connecting rod, a first electromagnet, a first-stage spring, a crankshaft, a connecting plate, a fixing frame and a first-stage clamping block, the outer surface of the first electromagnet is connected with the inner wall of the three-stage groove in a sliding way, the upper end of the first electromagnet is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected with a disc, a supporting block is fixedly connected above the disc, the outer surface of the disc is hinged with a plurality of crankshafts which are uniformly distributed on one side of the disc in an annular manner, the other end of the crankshaft is hinged with a connecting plate, one side of the other end of the connecting plate close to the supporting block is fixedly connected with a first-stage clamping block, the both sides of connecting plate articulate there is the mount, the bottom of mount and the upper end fixed connection of base, first electro-magnet links to each other with controller and battery electrical property.
Through adopting above-mentioned technical scheme, make the supporting shoe downstream through the gravity of work piece self, then the supporting shoe drives the disc and extrudees the one-level spring downwards, and the disc passes through the connecting rod simultaneously and drives first electro-magnet and slide downwards along the inner wall of tertiary recess, and the surface of rethread disc articulates there is the bent axle to drive the pin joint rotation of connecting plate along the mount, and the connecting plate drives one-level and presss from both sides tight piece and move the work piece in advance to one side that is close to the work piece and press from both sides tightly.
Preferably, secondary clamping mechanism includes that fixed plate, second grade press from both sides tight piece, second electro-magnet and secondary spring, the surface of second electro-magnet and the inner wall sliding connection of base, one side fixedly connected with secondary spring at base center is kept away from to the second electro-magnet, the other end of secondary spring and the inner wall fixed connection of base, the upper end fixedly connected with fixed plate of second electro-magnet, the other end of fixed plate just is close to the tight piece of one side fixedly connected with second grade at base center, the second electro-magnet links to each other with controller and battery electrical property.
By adopting the technical scheme, the controller controls the first electromagnet and the second electromagnet to have opposite magnetism so that the second electromagnet moves towards one side close to the first electromagnet and stretches the secondary spring, and then the second electromagnet drives the secondary clamping block to move towards one side close to the workpiece through the fixing plate so as to clamp and fix the workpiece.
Preferably, three bearing grooves are formed in the outer surface of the base, a rotating shaft is connected to the bottom end of the inner wall of the base in a rotating mode, a gear disc is fixedly connected to the other end of the rotating shaft, a first-stage bevel gear is meshed below the gear disc, a transmission shaft is fixedly connected to the inner wall of the first-stage bevel gear, the other end of the transmission shaft penetrates through a handle fixedly connected to the outer surface of the base, three second-stage bevel gears are meshed above the gear disc and are evenly distributed above the gear disc in an annular mode, a screw rod is fixedly connected to the inner wall of the second-stage bevel gear, a bearing is fixedly connected to the outer surface of the base, and the inner wall of each bearing groove is fixedly connected with the outer surface of the bearing.
Through adopting above-mentioned technical scheme, drive the transmission shaft through clockwise turning handle and rotate, the transmission shaft drives the gear disc through one-level bevel gear meshing gear dish and rotates, then drives the lead screw through gear disc meshing second grade bevel gear and rotates.
Preferably, clamping mechanism includes that supporting shoe, disc, connecting rod, one-level spring, bent axle, connecting plate, mount and one-level press from both sides tight piece, the surface of connecting rod and the inner wall sliding connection of tertiary recess, the upper end fixedly connected with disc of connecting rod, the top fixedly connected with supporting shoe of disc, the surface of disc articulates there is a plurality of bent axles, and is a plurality of bent axle annular evenly distributed is in one side of disc, the other end fixedly connected with connecting plate of bent axle, the other end of connecting plate just is close to one side fixedly connected with one-level of supporting shoe and presss from both sides tight piece, the both sides of connecting plate articulate there is the mount, the bottom of mount and the upper end fixed connection of base.
Through adopting above-mentioned technical scheme, make the supporting shoe downstream through the gravity of work piece self, then the supporting shoe drives the disc and extrudees the one-level spring downwards, and the disc drives the connecting rod and slides downwards along the inner wall of tertiary recess simultaneously, and the surface of rethread disc articulates there is the bent axle to drive the connecting plate and rotates along the pin joint of mount, and the connecting plate drives one-level and presss from both sides tight piece and move one side near the work piece and press from both sides tightly the work piece in advance.
Preferably, the secondary clamping mechanism comprises a screw rod nut seat, a fixing plate and a secondary clamping block, the outer surface of the screw rod nut seat is connected with the inner wall of the base in a sliding mode, the inner wall of the screw rod nut seat is connected with the outer surface of the screw rod in a threaded mode, the upper end of the screw rod nut seat is fixedly connected with the lower end of the fixing plate, and the secondary clamping block is fixedly connected to one side, close to the center of the base, of the other end of the fixing plate.
By adopting the technical scheme, the screw rod rotates to drive the screw rod nut seat to slide along the inner wall of the base, and then the screw rod nut seat drives the secondary clamping block to move to one side close to the workpiece through the fixing plate to clamp and fix the workpiece.
Preferably, the expansion plate includes one-level picture peg 81, second grade picture peg and spout, the surface of one-level picture peg 81 and the inner wall fixed connection of second grade recess, the spout has been seted up to one side that one-level picture peg 81 is close to the fixed plate, the inner wall sliding connection of spout has the second grade picture peg, the outer fixed surface connection of one side and fixed plate that one-level picture peg 81 was kept away from to the second grade picture peg.
Through adopting above-mentioned technical scheme, remove through the fixed plate and can drive the second grade picture peg and slide along the inner wall of spout, the waste material that produces when can preventing to process the work piece through setting up the expansion plate falls into the inner wall of base and is difficult to the clearance to influence the device normal use.
Preferably, a first-stage rubber pad is fixedly connected to one side, close to the supporting block, of the outer surface of the first-stage clamping block, and the thickness of the first-stage rubber pad is set to be 1-2 cm.
Through adopting above-mentioned technical scheme, be used for preventing the surface of one-level tight piece fish tail work piece of clamp through setting up one-level rubber pad.
Preferably, a secondary rubber pad is fixedly connected to one side, facing the center of the base, of the outer surface of the secondary clamping block, and the thickness of the secondary rubber pad is set to be 1-2 cm.
Through adopting above-mentioned technical scheme, be used for preventing the surface of second grade clamp splice fish tail work piece through setting up second grade rubber pad.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the workpiece can be positioned by arranging the pre-clamping mechanism, so that the position of the workpiece can be adjusted according to a required angle when the tool is set, and the tool setting device is convenient to use, thereby saving the time required by tool setting and improving the processing efficiency; the secondary clamping mechanism can be used for fixing the workpiece, so that the machined product is prevented from being unqualified due to the fact that the workpiece is subjected to force and deviates in the machining process, the machining precision can be improved, the production cost is reduced, and resources are saved; the telescopic plate can prevent waste materials generated in the process of machining workpieces from falling into the inner wall of the base and being difficult to clean, so that the normal use of the device is influenced.
Drawings
In order to more clearly illustrate the embodiments of the present 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 some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;
FIG. 4 is a front view of another embodiment of the present invention;
fig. 5 is a schematic cross-sectional structure view of another embodiment of the present invention.
In the figure: the device comprises a base 1, a first-stage groove 2, a second-stage groove 3, a third-stage groove 4, a pre-clamping mechanism 5, a supporting block 51, a disc 52, a connecting rod 53, a first electromagnet 54, a first-stage spring 55, a crankshaft 56, a connecting plate 57, a fixing frame 58, a first-stage clamping block 59, a second-stage clamping mechanism 6, a fixing plate 61, a second-stage clamping block 62, a second electromagnet 63, a second-stage spring 64, a screw nut seat 65, a control box 7, an expansion plate 8, a first-stage inserting plate 81, a second-stage inserting plate 82, a sliding groove 83, a rotating shaft 9, a gear disc 10, a first-stage bevel gear 11, a transmission shaft 12, a second-stage bevel gear 13, a screw 14, a handle 15, a first-stage rubber pad 16 and a second-stage rubber pad 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution:
the utility model provides a general tool of CNC, the on-line screen storage device comprises a base 1, base 1's inside sets up to hollow structure, three one-level recess 2 has been seted up to base 1's upper end inner wall, three one-level recess 2 is along base 1's central annular evenly distributed, second grade recess 3 has been seted up to one-level recess 2's upper end inner wall, second grade recess 3 is linked together with base 1's top surface, second grade recess 3's inner wall both sides all are provided with expansion plate 8, expansion plate 8's centre is provided with secondary clamping mechanism 6, base 1's upper end surface just is located central point and puts and has seted up tertiary recess 4, tertiary recess 4's bottom is linked together with base 1's inner wall, base 1's intermediate position is provided with clamping mechanism 5 in advance.
By adopting the technical scheme, the workpiece can be positioned by arranging the pre-clamping mechanism 5, the position of the workpiece can be adjusted according to a required angle when the tool is set, and the tool setting device is convenient to use, so that the time required by tool setting can be saved, and the machining efficiency is improved; the secondary clamping mechanism 6 can be used for fixing the workpiece, so that the workpiece is prevented from being unqualified due to the fact that the workpiece is subjected to force in the machining process and deviates, machining precision can be improved, production cost is reduced, and resources are saved.
As an embodiment of the invention, the lower end of the base 1 is provided with a rectangular groove, the inner wall of the rectangular groove is provided with a control box 7, a controller and a storage battery are arranged in the control box 7, and the controller is electrically connected with the storage battery.
By adopting the technical scheme, the secondary clamping mechanism 6 is convenient to control to clamp the workpiece by arranging the controller; the secondary clamping mechanism 6 can be powered by the provision of a battery.
As an embodiment of the invention, the pre-clamping mechanism 5 comprises a supporting block 51, a disc 52, a connecting rod 53, a first electromagnet 54, a first-stage spring 55, a crankshaft 56, a connecting plate 57, a fixing frame 58 and a first-stage clamping block 59, wherein the outer surface of the first electromagnet 54 is slidably connected with the inner wall of the third-stage groove 4, the upper end of the first electromagnet 54 is fixedly connected with the connecting rod 53, the disc 52 is fixedly connected with the upper end of the connecting rod 53, the supporting block 51 is fixedly connected above the disc 52, the outer surface of the disc 52 is hinged with a plurality of crankshafts 56, the plurality of crankshafts 56 are annularly and uniformly distributed on one side of the disc 52, the other end of the crankshaft 56 is hinged with the connecting plate 57, the other end of the connecting plate 57 and one side close to the supporting block 51 are fixedly connected with the first-stage clamping block 59, the two sides of the connecting plate 57 are hinged with the fixing frame 58, the bottom end of the fixing frame 58 is fixedly connected with the upper end of the base 1, the first electromagnet 54 is electrically connected to the controller and the battery.
By adopting the technical scheme, the supporting block 51 moves downwards through the gravity of the workpiece, then the supporting block 51 drives the disc 52 to extrude the first-stage spring 55 downwards, meanwhile, the disc 52 drives the first electromagnet 54 to slide downwards along the inner wall of the third-stage groove 4 through the connecting rod 53, then the outer surface of the disc 52 is hinged with the crankshaft 56 to drive the connecting plate 57 to rotate along the hinged point of the fixing frame 58, and the connecting plate 57 drives the first-stage clamping block 59 to move towards one side close to the workpiece to pre-clamp the workpiece.
As an embodiment of the present invention, the secondary clamping mechanism 6 includes a fixed plate 61, a secondary clamping block 62, a second electromagnet 63 and a secondary spring 64, an outer surface of the second electromagnet 63 is slidably connected to an inner wall of the base 1, one side of the second electromagnet 63 away from the center of the base 1 is fixedly connected to the secondary spring 64, the other end of the secondary spring 64 is fixedly connected to the inner wall of the base 1, the upper end of the second electromagnet 63 is fixedly connected to the fixed plate 61, one side of the other end of the fixed plate 61 close to the center of the base 1 is fixedly connected to the secondary clamping block 62, and the second electromagnet 63 is electrically connected to the controller and the storage battery.
By adopting the technical scheme, the controller controls the first electromagnet 54 and the second electromagnet 63 to have opposite magnetism, so that the second electromagnet 63 moves towards one side close to the first electromagnet 54 and stretches the secondary spring 64, and then the second electromagnet 63 drives the secondary clamping block 62 to move towards one side close to the workpiece through the fixing plate 61 to clamp and fix the workpiece.
As another embodiment of the present invention, three bearing grooves are formed in the outer surface of the base 1, the bottom end of the inner wall of the base 1 is rotatably connected with a rotating shaft 9, the other end of the rotating shaft 9 is fixedly connected with a gear disc 10, a primary bevel gear 11 is engaged below the gear disc 10, a transmission shaft 12 is fixedly connected to the inner wall of the primary bevel gear 11, the other end of the transmission shaft 12 penetrates through the outer surface of the base 1 and is fixedly connected with a handle 15, three secondary bevel gears 13 are engaged above the gear disc 10, the three secondary bevel gears 13 are annularly and uniformly distributed above the gear disc 10, the inner wall of the secondary bevel gear 13 is fixedly connected with a screw rod 14, the other end of the screw rod 14 penetrates through the outer surface of the base 1 and is fixedly connected with a bearing, and the inner wall of the bearing groove is fixedly connected with the outer surface of the bearing.
By adopting the technical scheme, the handle 15 is rotated clockwise to drive the transmission shaft 12 to rotate, the transmission shaft 12 is meshed with the gear disc 10 through the first-stage bevel gear 11 to drive the gear disc 10 to rotate, and then meshed with the second-stage bevel gear 13 through the gear disc 10 to drive the screw rod 14 to rotate.
As another embodiment of the present invention, the pre-clamping mechanism 5 includes a supporting block 51, a circular disc 52, a connecting rod 53, a primary spring 55, a crankshaft 56, a connecting plate 57, a fixing frame 58 and a primary clamping block 59, an outer surface of the connecting rod 53 is slidably connected to an inner wall of the tertiary groove 4, the circular disc 52 is fixedly connected to an upper end of the connecting rod 53, the supporting block 51 is fixedly connected to an upper side of the circular disc 52, the plurality of crankshafts 56 are hinged to an outer surface of the circular disc 52, the plurality of cranks 56 are annularly and uniformly distributed on one side of the circular disc 52, the connecting plate 57 is fixedly connected to another end of the crankshaft 56, the primary clamping block 59 is fixedly connected to another end of the connecting plate 57 and a side close to the supporting block 51, the fixing frame 58 is hinged to two sides of the connecting plate 57, and a bottom end of the fixing frame 58 is fixedly connected to an upper end of the base 1.
Through adopting above-mentioned technical scheme, make supporting shoe 51 downstream through the gravity of work piece self, then supporting shoe 51 drives disc 52 and extrudees one-level spring 55 downwards, and disc 52 drives connecting rod 53 and slides downwards along the inner wall of tertiary recess 4 simultaneously, and rethread disc 52's surface is articulated to have bent axle 56 to drive connecting plate 57 and rotate along the pin joint of mount 58, and connecting plate 57 drives one-level and presss from both sides tight piece 59 and removes the work piece to one side that is close to the work piece and carry out the pre-clamping.
As another embodiment of the present invention, the secondary clamping mechanism 6 includes a screw-nut seat 65, a fixed plate 61 and a secondary clamping block 62, wherein the outer surface of the screw-nut seat 65 is slidably connected with the inner wall of the base 1, the inner wall of the screw-nut seat 65 is in threaded connection with the outer surface of the screw 14, the upper end of the screw-nut seat 65 is fixedly connected with the lower end of the fixed plate 61, and the other end of the fixed plate 61 and the side close to the center of the base 1 are fixedly connected with the secondary clamping block 62.
By adopting the technical scheme, the screw rod 14 rotates to drive the screw rod nut seat 65 to slide along the inner wall of the base 1, and then the screw rod nut seat 65 drives the secondary clamping block 62 to move towards one side close to the workpiece through the fixing plate 61 to clamp and fix the workpiece.
As an embodiment of the present invention, the expansion plate 8 includes a first-stage insertion plate 81, a second-stage insertion plate 82 and a sliding groove 83, an outer surface of the first-stage insertion plate 81 is fixedly connected to an inner wall of the second-stage groove 3, the sliding groove 83 is formed on a side of the first-stage insertion plate 81 close to the fixing plate 61, the inner wall of the sliding groove 83 is slidably connected to the second-stage insertion plate 82, and a side of the second-stage insertion plate 82 far from the first-stage insertion plate 81 is fixedly connected to an outer surface of the fixing plate 61.
Through adopting above-mentioned technical scheme, can drive second grade picture peg 82 through fixed plate 61 removal and slide along the inner wall of spout 83, the waste material that produces when can preventing to process the work piece through setting up expansion plate 8 falls into the inner wall of base 1 and is difficult to the clearance to influence the device normal use.
As an embodiment of the invention, a primary rubber pad 16 is fixedly connected to the outer surface of the primary clamping block 59 on the side close to the supporting block 51, and the thickness of the primary rubber pad 16 is set to be 1-2 cm.
Through adopting above-mentioned technical scheme, be used for preventing that one-level clamping block 59 fish tail surface of work piece through setting up one-level rubber pad 16.
As an embodiment of the invention, a secondary rubber pad 17 is fixedly connected to the outer surface of the secondary clamping block 62 and the side facing the central position of the base 1, and the thickness of the secondary rubber pad 17 is set to be 1-2 cm.
Through adopting above-mentioned technical scheme, be used for preventing the surface of second grade clamping block 62 fish tail work piece through setting up second grade rubber pad 17.
The first working principle is as follows: when a workpiece is machined, firstly, the supporting block 51 moves downwards through the gravity of the workpiece, then the supporting block 51 drives the disc 52 to extrude the first-stage spring 55 downwards, meanwhile, the disc 52 drives the first electromagnet 54 to slide downwards along the inner wall of the third-stage groove 4 through the connecting rod 53, then the crankshaft 56 is hinged to the outer surface of the disc 52 to drive the connecting plate 57 to rotate along the hinged point of the fixing frame 58, the connecting plate 57 drives the first-stage clamping block 59 to move towards one side close to the workpiece to pre-clamp the workpiece, the position of the workpiece can be adjusted according to a required angle when the workpiece is subjected to tool setting, and the tool setting device is convenient to use, so that the time required by the tool setting can be saved, and the machining efficiency is improved;
then the controller controls the first electromagnet 54 and the second electromagnet 63 to have opposite magnetism so that the second electromagnet 63 moves to one side close to the first electromagnet 54 and stretches the secondary spring 64, then the second electromagnet 63 drives the secondary clamping block 62 to move to one side close to the workpiece through the fixing plate 61 to clamp and fix the workpiece, and the workpiece is prevented from being unqualified due to the fact that the workpiece is subjected to force action in the machining process and deviates, so that the machining precision can be improved, the production cost is reduced, and resources are saved.
After the workpiece is machined, the controller controls the first electromagnet 54 and the second electromagnet 63 to lose power, then the second electromagnet 63 is driven to move towards the side far away from the first electromagnet 54 by the restoring force of the secondary spring 64, the second electromagnet 63 drives the secondary clamping block 62 to move towards the side far away from the workpiece through the fixing plate 61 to loosen the workpiece, and then the workpiece is taken down from the surface of the supporting block 51 to be machined into the next workpiece.
The working principle is as follows: when a workpiece is machined, firstly, the supporting block 51 moves downwards through the gravity of the workpiece, then the supporting block 51 drives the disc 52 to extrude the first-stage spring 55 downwards, meanwhile, the disc 52 drives the connecting rod 53 to slide downwards along the inner wall of the third-stage groove 4, then the outer surface of the disc 52 is hinged with the crankshaft 56 to drive the connecting plate 57 to rotate along the hinged point of the fixing frame 58, the connecting plate 57 drives the first-stage clamping block 59 to move towards one side close to the workpiece to clamp the workpiece, the position of the workpiece can be adjusted according to a required angle when the tool is adjusted, the use is convenient, so that the time required by tool adjustment can be saved, and the machining efficiency is improved;
then, the handle 15 is rotated clockwise to drive the transmission shaft 12 to rotate, the transmission shaft 12 is meshed with the gear disc 10 through the first-stage bevel gear 11 to drive the gear disc 10 to rotate, then the gear disc 10 is meshed with the second-stage bevel gear 13 to drive the screw rod 14 to rotate, then the screw rod 14 drives the screw rod nut seat 65 to slide along the inner wall of the base 1, then the screw rod nut seat 65 drives the second-stage clamping block 62 to move to one side close to the workpiece through the fixing plate 61 to clamp and fix the workpiece, the workpiece is prevented from being stressed in the machining process and shifting to cause unqualified machined products, machining precision can be improved, production cost is reduced, and resources are saved.
After a workpiece is machined, the handle 15 is rotated anticlockwise to drive the transmission shaft 12 to rotate, the transmission shaft 12 is meshed with the gear disc 10 through the first-stage bevel gear 11 to drive the gear disc 10 to rotate, then the gear disc 10 is meshed with the second-stage bevel gear 13 to drive the screw rod 14 to rotate, then the screw rod 14 drives the screw rod nut seat 65 to slide along the inner wall of the base 1, then the screw rod nut seat 65 drives the second-stage clamping block 62 to move towards one side far away from the workpiece through the fixing plate 61 to loosen the workpiece, and then the workpiece is taken down from the surface of the supporting block 51 to be machined into the next workpiece.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a CNC universal jig, includes base (1), its characterized in that: the inside of base (1) sets up to hollow structure, three one-level recess (2), three have been seted up to the upper end inner wall of base (1) one-level recess (2) along the central annular evenly distributed of base (1), second grade recess (3) have been seted up to the upper end inner wall of one-level recess (2), second grade recess (3) are linked together with the top surface of base (1), the inner wall both sides of second grade recess (3) all are provided with expansion plate (8), the centre of expansion plate (8) is provided with secondary clamping mechanism (62), the upper end surface of base (1) just is located central point and puts and has seted up tertiary recess (4), the bottom of tertiary recess (4) is linked together with the inner wall of base (1), the intermediate position of base (1) is provided with clamping mechanism (5) in advance.
2. The CNC universal fixture of claim 1, characterized in that: the lower extreme of base (1) has seted up the rectangular channel, the inner wall of rectangular channel is provided with control box (7), be provided with controller and battery in control box (7), the controller links to each other with the battery electrical property.
3. The CNC universal fixture of claim 2, characterized in that: the pre-clamping mechanism (5) comprises a supporting block (51), a disc (52), a connecting rod (53), a first electromagnet (54), a first-level spring (55), a crankshaft (56), a connecting plate (57), a fixing frame (58) and a first-level clamping block (59), wherein the outer surface of the first electromagnet (54) is in sliding connection with the inner wall of the third-level groove (4), the upper end of the first electromagnet (54) is fixedly connected with the connecting rod (53), the upper end of the connecting rod (53) is fixedly connected with the disc (52), the supporting block (51) is fixedly connected above the disc (52), the outer surface of the disc (52) is hinged with a plurality of crankshafts (56), the plurality of crankshafts (56) are uniformly distributed on one side of the disc (52) in an annular manner, the other end of the crankshafts (56) is hinged with the connecting plate (57), the other end of the connecting plate (57) is fixedly connected with the first-level clamping block (59) on one side close to the supporting block (51), the two sides of the connecting plate (57) are hinged with fixing frames (58), the bottom ends of the fixing frames (58) are fixedly connected with the upper end of the base (1), and the first electromagnet (54) is electrically connected with the controller and the storage battery.
4. The CNC universal fixture of claim 2, characterized in that: secondary clamping mechanism (62) press from both sides tight piece (62), second electro-magnet (63) and secondary spring (64) including fixed plate (61), second grade, the surface of second electro-magnet (63) and the inner wall sliding connection of base (1), one side fixedly connected with secondary spring (64) at base (1) center are kept away from in second electro-magnet (63), the other end of secondary spring (64) and the inner wall fixed connection of base (1), the upper end fixedly connected with fixed plate (61) of second electro-magnet (63), the other end of fixed plate (61) just is close to one side fixedly connected with second grade of base (1) center and presss from both sides tight piece (62), second electro-magnet (63) link to each other with controller and battery electrical property.
5. The CNC universal fixture of claim 1, characterized in that: the outer surface of the base (1) is provided with three bearing grooves, the bottom end of the inner wall of the base (1) is rotatably connected with a rotating shaft (9), the other end of the rotating shaft (9) is fixedly connected with a gear disc (10), a first-stage bevel gear (11) is meshed below the gear disc (10), the inner wall of the first-stage bevel gear (11) is fixedly connected with a transmission shaft (12), the other end of the transmission shaft (12) penetrates through the outer surface of the base (1) and is fixedly connected with a handle (15), three second-stage bevel gears (13) are meshed above the gear disc (10), the three second-stage bevel gears (13) are annularly and uniformly distributed above the gear disc (10), the inner wall of the second-stage bevel gear (13) is fixedly connected with a screw rod (14), and the other end of the screw rod (14) penetrates through the outer surface of the base (1) and is fixedly connected with a bearing, the inner wall of the bearing groove is fixedly connected with the outer surface of the bearing.
6. The CNC universal fixture of claim 5, wherein: the pre-clamping mechanism (5) comprises a supporting block (51), a disc (52), a connecting rod (53), a first-level spring (55), crankshafts (56), a connecting plate (57), a fixing frame (58) and a first-level clamping block (59), wherein the outer surface of the connecting rod (53) is in sliding connection with the inner wall of a third-level groove (4), the disc (52) is fixedly connected to the upper end of the connecting rod (53), the supporting block (51) is fixedly connected to the upper portion of the disc (52), the plurality of crankshafts (56) are hinged to the outer surface of the disc (52), the plurality of crankshafts (56) are annularly and uniformly distributed on one side of the disc (52), the connecting plate (57) is fixedly connected to the other end of each crankshaft (56), the first-level clamping block (59) is fixedly connected to the other end of each connecting plate (57) and one side close to the supporting block (51), and the fixing frames (58) are hinged to two sides of each connecting plate (57), the bottom end of the fixing frame (58) is fixedly connected with the upper end of the base (1).
7. The CNC universal fixture of claim 5, wherein: secondary presss from both sides tight mechanism of transmission shaft (12) includes that feed screw nut seat (65), fixed plate (61) and second grade press from both sides tight piece (62), the surface of feed screw nut seat (65) and the inner wall sliding connection of base (1), the inner wall of feed screw nut seat (65) and the surface threaded connection of lead screw (14), the upper end of feed screw nut seat (65) and the lower extreme fixed connection of fixed plate (61), the other end of fixed plate (61) just is close to one side fixedly connected with second grade of base (1) center and presss from both sides tight piece (62).
8. The CNC universal fixture of claim 4 or 7, wherein: expansion plate (8) include one-level picture peg (81), second grade picture peg (82) and spout (83), the surface of one-level picture peg (81) and the inner wall fixed connection of second grade recess (3), spout (83) have been seted up to one side that one-level picture peg (81) are close to fixed plate (61), the inner wall sliding connection of spout (83) has second grade picture peg (82), one side that one-level picture peg (81) were kept away from in second grade picture peg (82) is connected with the outer fixed surface of fixed plate (61).
9. The CNC universal fixture of claim 3 or 6, wherein: one side of the outer surface of the primary clamping block (59) close to the supporting block (51) is fixedly connected with a primary rubber pad (16), and the thickness of the primary rubber pad (16) is set to be 1-2 cm.
10. The CNC universal fixture of claim 4 or 7, wherein: the outer surface of the secondary clamping block (62) and one side, facing the center of the base (1), of the secondary clamping block are fixedly connected with a secondary rubber pad (17), and the thickness of the secondary rubber pad (17) is set to be 1-2 cm.
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| CN202111572037.8A CN114273944B (en) | 2021-12-21 | 2021-12-21 | CNC universal jig |
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| CN202111572037.8A CN114273944B (en) | 2021-12-21 | 2021-12-21 | CNC universal jig |
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| CN114273944B CN114273944B (en) | 2023-05-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114603406A (en) * | 2022-05-16 | 2022-06-10 | 山东鼎驰木业集团有限公司 | Automatic cutter grinding machine for wood board processing |
| CN116652649A (en) * | 2023-08-01 | 2023-08-29 | 长沙博大科工股份有限公司 | Pressing clamp for manufacturing generator end cover |
| CN118151512A (en) * | 2024-05-09 | 2024-06-07 | 福建瑞达精工股份有限公司 | Clock travel time precision detection equipment |
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| CN116652649B (en) * | 2023-08-01 | 2023-10-20 | 长沙博大科工股份有限公司 | Pressing clamp for manufacturing generator end cover |
| CN118151512A (en) * | 2024-05-09 | 2024-06-07 | 福建瑞达精工股份有限公司 | Clock travel time precision detection equipment |
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| Publication number | Publication date |
|---|---|
| CN114273944B (en) | 2023-05-09 |
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Effective date of registration: 20230413 Address after: 213000 floor 2, building 1, No. 2, Tenglong Road, West Taihu science and Technology Industrial Park, Changzhou City, Jiangsu Province Applicant after: Changzhou Huazhen Electronic Technology Co.,Ltd. Address before: 310000 room 2001, building 15, Jinduhuafu, No. 8, houchao Road, Shangcheng District, Hangzhou, Zhejiang Province Applicant before: Lv Jin |
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