CN114273944B - CNC universal jig - Google Patents
CNC universal jig Download PDFInfo
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- CN114273944B CN114273944B CN202111572037.8A CN202111572037A CN114273944B CN 114273944 B CN114273944 B CN 114273944B CN 202111572037 A CN202111572037 A CN 202111572037A CN 114273944 B CN114273944 B CN 114273944B
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Abstract
The invention relates to the technical field of machining auxiliary equipment, in particular to a CNC universal jig which comprises a base, wherein the inside of the base is of a hollow structure, three primary grooves are formed in the inner wall of the upper end of the base and are uniformly distributed along the central annular shape of the base, a secondary groove is formed in the inner wall of the upper end of the primary groove and is communicated with the upper outer surface of the base, expansion plates are arranged on two sides of the inner wall of the secondary groove, a secondary clamping mechanism is arranged in the middle of the expansion plates, a tertiary groove is formed in the outer surface of the upper end of the base and is positioned in the central position, the bottom end of the tertiary groove is communicated with the inner wall of the base, and a pre-clamping mechanism is arranged in the middle position of the base.
Description
Technical Field
The invention relates to the technical field of machining auxiliary equipment, in particular to a CNC universal jig.
Background
At present, in the processes of CNC processing product outline, drilling processing and the like, a base jig is usually used, and the patent number is: CN108214031a discloses a CNC universal jig, which comprises a base main body, a workpiece holder and a fixture cover plate, wherein the base main body is provided with a base groove for bearing the workpiece holder, the workpiece holder comprises a workpiece holder main body and a workpiece placing groove, the periphery of the workpiece placing groove is provided with a supporting table for supporting a workpiece, the fixture cover plate is provided with a cover plate opening corresponding to the workpiece, the base groove is internally provided with a sealing gasket, and the sealing gasket is provided with a vacuum channel; when CNC is adopted to process a workpiece, the workpiece is placed in the workpiece placing groove and on the supporting table, the workpiece clamp is placed in the base groove, and the clamp cover plate is fixedly arranged on the workpiece clamp. The CNC universal jig comprises the base main body made of ABS and the workpiece clamp made of stainless steel, wherein the base main body and the workpiece clamp are arranged separately, and different workpiece clamps can be replaced according to the shape of a processed product.
The existing CNC drilling process needs to fix a workpiece and then conduct tool setting at an adjusting position, if the workpiece with an irregular shape is inclined in the clamping process, the clamping device needs to be loosened to readjust the position of the workpiece, 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.
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 is required to be fixed firstly and then to be set at an adjusting position, if the workpiece with an irregular shape is inclined in the clamping process, a clamping device is required to be loosened to readjust the position of the workpiece, 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 above purpose, the present invention provides the following technical solutions:
the utility model provides a CNC universal jig, 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 one-level recess is along the central annular evenly distributed of base, the second grade recess has been seted up to the upper end inner wall of one-level recess, the top surface of second grade recess and base is linked together, 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, tertiary recess has been seted up to the upper end surface of base and is located central point put, tertiary recess's bottom is linked together with the inner wall of base, the intermediate position of base is provided with pre-clamping mechanism.
By adopting the technical scheme, the workpiece can be positioned by arranging the pre-clamping mechanism, so that the position of the workpiece can be conveniently adjusted according to the required angle during tool setting, the use is convenient, the time required by tool setting can be saved, and the machining efficiency is improved; the secondary clamping mechanism is arranged to fix the workpiece, so that the workpiece is prevented from being deflected due to the action of force in the machining process, the machined product is unqualified, the machining precision is improved, the production cost is reduced, and the resource is saved.
Preferably, the rectangular groove is formed in the lower end of the base, a control box is arranged on the inner wall of the rectangular groove, 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 controller is arranged to conveniently control the secondary clamping mechanism to clamp the workpiece; 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 primary spring, a crankshaft, a connecting plate, a fixing frame and a primary clamping block, wherein the outer surface of the first electromagnet is in sliding connection with the inner wall of a tertiary groove, the upper end of the first electromagnet is fixedly connected with the connecting rod, the disc is fixedly connected with the upper end of the connecting rod, the supporting block is fixedly connected with the upper side of the disc, the outer surface of the disc is hinged with a plurality of crankshafts, the crankshafts are annularly and uniformly distributed on one side of the disc, the other end of the crankshafts is hinged with the connecting plate, the other end of the connecting plate is fixedly connected with the primary clamping block on one side close to the supporting block, the fixing frames are hinged to the two sides of the connecting plate, and the bottom end of the fixing frames are fixedly connected with the upper end of the base, and the first electromagnet is electrically connected with the controller and the storage battery.
Through adopting above-mentioned technical scheme, make the supporting shoe remove downwards through the gravity of work piece self, then the supporting shoe drives the disc and extrudees 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 through the disc articulates has the bent axle to drive the connecting plate and rotates along the pin joint of mount again, and the connecting plate drives one-level clamp block and removes the one side that is close to the work piece and carry out the pre-clamping with the work piece.
Preferably, the secondary clamping mechanism comprises a fixed plate, a secondary clamping block, a second electromagnet and a secondary spring, wherein the outer surface of the second electromagnet is in sliding connection with the inner wall of the base, one side, away from the center of the base, of the second electromagnet is fixedly connected with the secondary spring, the other end of the secondary spring is fixedly connected with the inner wall of the base, the upper end of the second electromagnet is fixedly connected with the fixed plate, the other end of the fixed plate is fixedly connected with the secondary clamping block, close to one side, close to the center of the base, of the second electromagnet, and the second electromagnet is electrically connected with the controller and the storage battery.
Through adopting above-mentioned technical scheme, the magnetism through the first electro-magnet of controller control and second electro-magnet is opposite makes the second electro-magnet move and tensile second spring to the side that is close to first electro-magnet, then the second electro-magnet passes through the fixed plate and drives the second clamp block and move to the side that is close to the work piece and press from both sides the clamp fixing with the work piece.
Preferably, three bearing grooves are formed in the outer surface of the base, the bottom end of the inner wall of the base is rotationally connected with a rotating shaft, the other end of the rotating shaft is fixedly connected with a gear disc, a first-stage bevel gear is meshed with the lower portion of the gear disc, a transmission shaft is fixedly connected with the inner wall of the first-stage bevel gear, the other end of the transmission shaft penetrates through the outer surface fixedly connected with handle of the base, three second-stage bevel gears are meshed with the upper portion of the gear disc, the three second-stage bevel gears are evenly distributed on the upper portion of the gear disc in a ring shape, a screw rod is fixedly connected with the inner wall of the second-stage bevel gears, a bearing is fixedly connected with the other end of the screw rod penetrates through the outer surface of the base, and the inner wall of the bearing grooves is fixedly connected with the outer surface of the bearing.
Through adopting above-mentioned technical scheme, drive the transmission shaft through clockwise rotation handle and rotate, the transmission shaft drives the gear wheel through one-level bevel gear meshing gear wheel dish and rotates, then drives the lead screw through gear wheel dish meshing second grade bevel gear and rotates.
Preferably, the pre-clamping mechanism comprises a supporting block, a disc, a connecting rod, a primary spring, crankshafts, a connecting plate, a fixing frame and a primary clamping block, wherein the outer surface of the connecting rod is in sliding connection with the inner wall of a tertiary groove, the upper end of the connecting rod is fixedly connected with the disc, the supporting block is fixedly connected with the upper part of the disc, the outer surface of the disc is hinged with a plurality of crankshafts, the crankshafts are annularly and uniformly distributed on one side of the disc, the other end of the crankshafts is fixedly connected with the connecting plate, the other end of the connecting plate is fixedly connected with the primary clamping block on one side, close to the supporting block, of the connecting plate, the fixing frames are hinged to the two sides of the connecting plate, and the bottom ends of the fixing frames are fixedly connected with the upper ends of the bases.
Through adopting above-mentioned technical scheme, make the supporting shoe remove downwards through the gravity of work piece self, then the supporting shoe drives the disc and extrudees one-level spring downwards, and the disc drives the connecting rod simultaneously and slides downwards along the inner wall of tertiary recess, and the surface through the disc articulates has the bent axle to drive the connecting plate and rotates along the pin joint of mount again, and the connecting plate drives one-level clamp block and removes the one side that is close to the work piece and carry out the pre-clamping with the work piece.
Preferably, the secondary clamping mechanism comprises a screw nut seat, a fixing plate and a secondary clamping block, wherein the outer surface of the screw nut seat is in sliding connection with the inner wall of the base, the inner wall of the screw nut seat is in threaded connection with the outer surface of the screw rod, the upper end of the screw nut seat is fixedly connected with the lower end of the fixing plate, and the secondary clamping block is fixedly connected with the other end of the fixing plate and one side, which is close to the center of the base.
Through adopting above-mentioned technical scheme, drive the lead screw nut seat through the lead screw rotation and slide along the inner wall of base, then the lead screw nut seat drives the second grade through the fixed plate and presss from both sides the clamp block and move to the one side that is close to the work piece and press from both sides the clamp fixed with the work piece.
Preferably, the expansion plate comprises a first-stage inserting plate 81, a second-stage inserting plate and a sliding groove, wherein the outer surface of the first-stage inserting plate 81 is fixedly connected with the inner wall of the second-stage groove, the sliding groove is formed in one side, close to the fixed plate, of the first-stage inserting plate 81, the second-stage inserting plate is slidably connected with the inner wall of the sliding groove, and one side, far away from the first-stage inserting plate 81, of the second-stage inserting plate is fixedly connected with the outer surface of the fixed plate.
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, can prevent through setting up the expansion plate that the waste material that produces when processing the work piece from falling into the inner wall of base and be difficult to clear up to influence the device normal use.
Preferably, one side of the outer surface of the primary clamping block, which is close to the supporting block, is fixedly connected with a primary rubber pad, and the thickness of the primary rubber pad is set to be 1-2cm.
Through adopting above-mentioned technical scheme, be used for preventing the surface of one-level clamp block fish tail work piece 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 1-2cm.
Through adopting above-mentioned technical scheme, be used for preventing the surface of second grade clamp block fish tail work piece through setting up the 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 conveniently adjusted according to a required angle during tool setting, and the tool setting device is convenient to use, thereby saving the time required by tool setting and improving the machining efficiency; the secondary clamping mechanism is arranged to fix the workpiece, so that the processed product is prevented from being unqualified due to the fact that the workpiece is subjected to force and is offset in the processing process, the processing precision is improved, the production cost is reduced, and the resource is saved; the telescopic plate can prevent waste materials generated during processing workpieces from falling into the inner wall of the base and being difficult to clean, so that the normal use of the device is affected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
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 of the structure at A-A of FIG. 1 in accordance with the present invention;
FIG. 4 is a front view of another embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of another embodiment of the present invention.
In the figure: the device comprises a base 1, a primary groove 2, a secondary groove 3, a tertiary groove 4, a pre-clamping mechanism 5, a supporting block 51, a disc 52, a connecting rod 53, a first electromagnet 54, a primary spring 55, a crankshaft 56, a connecting plate 57, a fixing frame 58, a primary clamping block 59, a secondary clamping mechanism 6, a fixing plate 61, a secondary clamping block 62, a second electromagnet 63, a secondary spring 64, a screw nut seat 65, a control box 7, a telescopic plate 8, a primary inserting plate 81, a secondary inserting plate 82, a sliding groove 83, a rotating shaft 9, a gear disc 10, a primary bevel gear 11, a transmission shaft 12, a secondary bevel gear 13, a screw 14, a handle 15, a primary rubber pad 16 and a secondary rubber pad 17.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, the present invention provides a technical solution:
the utility model provides a CNC universal jig, including base 1, the inside of base 1 sets up to hollow structure, three one-level recess 2 have been seted up to the upper end inner wall of base 1, the central annular evenly distributed of base 1 is followed to three one-level recess 2, second grade recess 3 has been seted up to the upper end inner wall of one-level recess 2, second grade recess 3 is 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 6, tertiary recess 4 has been seted up to the upper end surface of base 1 and is located central point, 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 pre-clamping mechanism 5.
By adopting the technical scheme, the workpiece can be positioned by arranging the pre-clamping mechanism 5, so that the position of the workpiece can be conveniently adjusted according to the required angle during tool setting, the tool setting device is convenient to use, the time required by tool setting can be saved, and the machining efficiency is improved; the secondary clamping mechanism 6 is arranged to fix the workpiece, so that the workpiece is prevented from being subjected to force in the machining process to deviate, the machined product is unqualified, the machining precision is improved, the production cost is reduced, and the resource is saved.
As an embodiment of the invention, a rectangular groove is formed at the lower end of the base 1, a control box 7 is arranged on the inner wall of the rectangular groove, 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 one 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 primary spring 55, a crankshaft 56, a connecting plate 57, a fixing frame 58 and a primary clamping block 59, wherein the outer surface of the first electromagnet 54 is in sliding connection with the inner wall of the tertiary groove 4, the connecting rod 53 is fixedly connected with the upper end of the first electromagnet 54, 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, a plurality of crankshafts 56 are hinged to the outer surface of the disc 52, the crankshafts 56 are uniformly distributed on one side of the disc 52 in a ring shape, the other end of the crankshaft 56 is hinged to the connecting plate 57, one side, close to the supporting block 51, of the other end of the connecting plate 57 is fixedly connected with the primary clamping block 59, two sides of the connecting plate 57 are hinged to the fixing frame 58, the bottom end of the fixing frame 58 is fixedly connected with the upper end of the base 1, and the first electromagnet 54 is electrically connected with a controller and a storage battery.
Through adopting above-mentioned technical scheme, make supporting shoe 51 downwardly moving through the gravity of work piece self, then supporting shoe 51 drives disc 52 and extrudees one-level spring 55 downwards, and disc 52 passes through connecting rod 53 and drives first electro-magnet 54 and slide down along the inner wall of tertiary recess 4 simultaneously, and the surface of rethread disc 52 articulates there is bent axle 56 to drive connecting plate 57 along the pin joint rotation of mount 58, and connecting plate 57 drives one-level clamp block 59 and moves to the one side that is close to the work piece and carry out the pre-clamping with the work piece.
As an embodiment of the present invention, the secondary clamping mechanism 6 includes a fixing plate 61, a secondary clamping block 62, a second electromagnet 63 and a secondary spring 64, the outer surface of the second electromagnet 63 is slidably connected with the inner wall of the base 1, one side of the second electromagnet 63 far away from the center of the base 1 is fixedly connected with the secondary spring 64, the other end of the secondary spring 64 is fixedly connected with the inner wall of the base 1, the upper end of the second electromagnet 63 is fixedly connected with the fixing plate 61, the other end of the fixing plate 61 is fixedly connected with the secondary clamping block 62 near the center of the base 1, and the second electromagnet 63 is electrically connected with the controller and the storage battery.
By adopting the technical scheme, the magnetism of the first electromagnet 54 and the magnetism of the second electromagnet 63 are controlled by the controller to be opposite, so that the second electromagnet 63 moves towards the 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 the side close to the workpiece through the fixing plate 61 to clamp and fix the workpiece.
As another implementation mode of the 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 rotationally connected with the rotating shaft 9, the other end of the rotating shaft 9 is fixedly connected with the gear disc 10, a primary bevel gear 11 is meshed below the gear disc 10, the inner wall of the primary bevel gear 11 is fixedly connected with the transmission shaft 12, the other end of the transmission shaft 12 penetrates through the outer surface of the base 1 to be fixedly connected with the handle 15, three secondary bevel gears 13 are meshed above the gear disc 10, the three secondary bevel gears 13 are evenly distributed above the gear disc 10 in a ring shape, the inner wall of the secondary bevel gears 13 is fixedly connected with the screw rod 14, the other end of the screw rod 14 penetrates through the outer surface of the base 1 to be fixedly connected with the bearing, and the inner wall of the bearing grooves is fixedly connected with the outer surface of the bearing.
Through adopting above-mentioned technical scheme, drive transmission shaft 12 through clockwise rotation handle 15 rotates, and transmission shaft 12 drives gear disc 10 through first order bevel gear 11 meshing gear disc 10 and rotates, then drives lead screw 14 through gear disc 10 meshing second grade bevel gear 13 and rotates.
As another embodiment of the invention, the pre-clamping mechanism 5 comprises a supporting block 51, a disc 52, a connecting rod 53, a primary spring 55, crankshafts 56, a connecting plate 57, a fixing frame 58 and a primary clamping block 59, wherein the outer surface of the connecting rod 53 is in sliding connection with the inner wall of the tertiary groove 4, 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, a plurality of crankshafts 56 are hinged to the outer surface of the disc 52, the crankshafts 56 are annularly and uniformly distributed on one side of the disc 52, the other end of each crankshaft 56 is fixedly connected with the connecting plate 57, the other end of each connecting plate 57 is fixedly connected with the primary clamping block 59 on one side close to the supporting block 51, the two sides of each connecting plate 57 are hinged with the fixing frames 58, and the bottom ends of the fixing frames 58 are fixedly connected with the upper end of the base 1.
Through adopting above-mentioned technical scheme, make supporting shoe 51 downwardly moving through the gravity of work piece self, then supporting shoe 51 drives disc 52 downwardly extrusion one-level spring 55, and disc 52 drives connecting rod 53 simultaneously and slides down along the inner wall of tertiary recess 4, and the surface of rethread disc 52 articulates there is bent axle 56 to drive connecting plate 57 along the pin joint rotation of mount 58, and connecting plate 57 drives one-level clamp block 59 and removes the work piece to the 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 fixing 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 fixing plate 61, and the secondary clamping block 62 is fixedly connected with one side, which is close to the center of the base 1, of the other end of the fixing plate 61.
Through adopting above-mentioned technical scheme, drive lead screw nut seat 65 along the inner wall of base 1 through the rotation of lead screw 14 and slide, then lead screw nut seat 65 drives the second grade through fixed plate 61 and presss from both sides the piece 62 to the side that is close to the work piece and move and press from both sides tight fixedly with the work piece.
As an embodiment of the present invention, the expansion board 8 includes a primary inserting board 81, a secondary inserting board 82 and a sliding groove 83, the outer surface of the primary inserting board 81 is fixedly connected with the inner wall of the secondary groove 3, the sliding groove 83 is formed on one side of the primary inserting board 81 close to the fixing board 61, the secondary inserting board 82 is slidingly connected with the inner wall of the sliding groove 83, and one side of the secondary inserting board 82 far away from the primary inserting board 81 is fixedly connected with the outer surface of the fixing board 61.
Through adopting above-mentioned technical scheme, remove through fixed plate 61 and can drive second grade picture peg 82 and slide along the inner wall of spout 83, can prevent through setting up expansion plate 8 that the waste material that produces when processing the work piece from falling into the inner wall of base 1 and be difficult to clear up to influence the device normal use.
As an embodiment of the present invention, a primary rubber pad 16 is fixedly connected to the outer surface of the primary clamping block 59 at a side close to the support block 51, and the thickness of the primary rubber pad 16 is set to 1-2cm.
By adopting the above technical scheme, the primary rubber pad 16 is arranged to prevent the primary clamping block 59 from scratching the surface of the workpiece.
As an embodiment of the present invention, a secondary rubber pad 17 is fixedly connected to the outer surface of the secondary clamping block 62 at a side facing the center of the base 1, and the thickness of the secondary rubber pad 17 is set to 1-2cm.
By adopting the above technical scheme, the secondary rubber pad 17 is arranged to prevent the secondary clamping block 62 from scratching the surface of the workpiece.
The working principle is as follows: when a workpiece is processed, firstly, the supporting block 51 moves downwards through the gravity of the workpiece, then the supporting block 51 drives the disc 52 to downwards extrude the primary spring 55, meanwhile, the disc 52 drives the first electromagnet 54 to downwards slide along the inner wall of the tertiary 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 hinge point of the fixing frame 58, the connecting plate 57 drives the primary clamping block 59 to move to the side close to the workpiece to pre-clamp the workpiece, so that the position of the workpiece can be adjusted according to a required angle during tool setting, the use is convenient, the time required for tool setting can be saved, and the processing efficiency is improved;
then the magnetism of the first electromagnet 54 and the magnetism of the second electromagnet 63 are controlled by the controller to be opposite, so that the second electromagnet 63 moves towards the side close to the first electromagnet 54 and stretches the second-stage spring 64, and then the second electromagnet 63 drives the second-stage clamping block 62 to move towards the side close to the workpiece through the fixing plate 61 to clamp and fix the workpiece, so that the phenomenon that the processed product is unqualified due to the fact that the workpiece is deflected under the action of force in the processing process is avoided, the processing precision is improved, the production cost is reduced, and the resources are saved.
After the workpiece is processed, the first electromagnet 54 and the second electromagnet 63 are controlled to lose electricity through the controller, then the second electromagnet 63 is driven to move to the side far away from the first electromagnet 54 by the restoring force of the second spring 64, the second electromagnet 63 drives the second clamping block 62 to move to the side far away from the workpiece through the fixing plate 61 to loosen the workpiece, and then the workpiece is taken off from the surface of the supporting block 51 to process the next workpiece.
And the working principle is II: when the workpiece is processed, firstly, the supporting block 51 moves downwards through the gravity of the workpiece, then the supporting block 51 drives the disc 52 to downwards extrude the primary spring 55, meanwhile, the disc 52 drives the connecting rod 53 to downwards slide along the inner wall of the tertiary groove 4, then the crankshaft 56 is hinged to the outer surface of the disc 52 to drive the connecting plate 57 to rotate along the hinge point of the fixing frame 58, the connecting plate 57 drives the primary clamping block 59 to move to the side close to the workpiece to clamp the workpiece, so that the position of the workpiece can be adjusted according to a required angle during tool setting, the use is convenient, the time required for tool setting can be saved, and the processing efficiency is improved;
then drive transmission shaft 12 through clockwise rotation handle 15 and rotate, transmission shaft 12 drives gear disk 10 through first order bevel gear 11 meshing gear disk 10 and rotates, then drive lead screw 14 through gear disk 10 meshing second grade bevel gear 13 and rotate, the rethread lead screw 14 drives lead screw nut seat 65 along the inner wall of base 1 and slides, then lead screw nut seat 65 drives second grade clamp block 62 through fixed plate 61 and moves to the side that is close to the work piece and press from both sides tightly fixedly, prevent that the work piece from receiving the effect of force and taking place the skew and leading to the product disqualification that comes out in the course of working, thereby can improve machining precision, reduce manufacturing cost, resources are saved.
After the 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 primary bevel gear 11 to drive the gear disc 10 to rotate, then the gear disc 10 is meshed with the secondary bevel gear 13 to drive the screw rod 14 to rotate, the screw rod 14 is used for driving 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 secondary clamping block 62 to move to 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 machine the next workpiece.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. The utility model provides a CNC universal jig, includes base (1), its characterized in that: the novel telescopic clamping device is characterized in that the inside of the base (1) is of a hollow structure, three primary grooves (2) are formed in the inner wall of the upper end of the base (1), the three primary grooves (2) are evenly distributed along the central annular shape of the base (1), secondary grooves (3) are formed in the inner wall of the upper end of the primary grooves (2), the secondary grooves (3) are communicated with the upper outer surface of the base (1), telescopic plates (8) are arranged on two sides of the inner wall of the secondary grooves (3), a secondary clamping mechanism (6) is arranged in the middle of the telescopic plates (8), a tertiary groove (4) is formed in the outer surface of the upper end of the base (1) and located at the central position, and the bottom end of the tertiary groove (4) is communicated with the inner wall of the base (1), and a pre-clamping mechanism (5) is arranged in the middle position of the base (1).
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;
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 in sliding connection with the inner wall of a three-stage groove (4), the connecting rod (53) is fixedly connected with the upper end of the first electromagnet (54), the disc (52) is fixedly connected with the upper end of the connecting rod (53), the supporting block (51) is fixedly connected with the upper part of the disc (52), a plurality of crankshafts (56) are hinged to the outer surface of the disc (52), the crankshafts (56) are uniformly distributed on one side of the disc (52), the other end of the crankshaft (56) is hinged with the connecting plate (57), one side, close to the supporting block (51), of the connecting plate (57) is fixedly connected with the first-stage clamping block (59), the two sides of the connecting plate (58) are hinged with the fixing frame (58), the bottom end of the fixing plate (58) is fixedly connected with the upper end of the base (1), and the first electromagnet (54) is electrically connected with a storage battery.
The secondary clamping mechanism (6) comprises a fixed plate (61), a secondary clamping block (62), a second electromagnet (63) and a secondary spring (64), wherein the outer surface of the second electromagnet (63) is slidably connected with the inner wall of the base (1), one side, away from the center of the base (1), of the second electromagnet (63) is fixedly connected with the secondary spring (64), the other end of the secondary spring (64) is fixedly connected with the inner wall of the base (1), the upper end of the second electromagnet (63) is fixedly connected with the fixed plate (61), one side, close to the center of the base (1), of the fixed plate (61) is fixedly connected with the secondary clamping block (62), and the second electromagnet (63) is electrically connected with a controller and a storage battery.
2. The CNC universal jig according to claim 1, wherein: the expansion plate (8) comprises a first-stage inserting plate (81), a second-stage inserting plate (82) and a sliding groove (83), wherein the outer surface of the first-stage inserting plate (81) is fixedly connected with the inner wall of the second-stage groove (3), the sliding groove (83) is formed in one side, close to the fixed plate (61), of the first-stage inserting plate (81), the second-stage inserting plate (82) is slidably connected with the inner wall of the sliding groove (83), and one side, far away from the first-stage inserting plate (81), of the second-stage inserting plate (82) is fixedly connected with the outer surface of the fixed plate (61).
3. The CNC universal jig according to claim 1, wherein: one side that just is close to supporting shoe (51) of the surface of one-level clamp block (59) is fixedly connected with one-level rubber pad (16), the thickness of one-level rubber pad (16) sets up to 1-2cm.
4. The CNC universal jig according to claim 1, wherein: the outer surface of the secondary clamping block (62) and one side facing the center of the base (1) are fixedly connected with a secondary rubber pad (17), and the thickness of the secondary rubber pad (17) is set to be 1-2cm.
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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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| CN114603406B (en) * | 2022-05-16 | 2022-07-08 | 山东鼎驰木业集团有限公司 | Automatic cutter grinding machine for wood board processing |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR910007248B1 (en) * | 1986-10-04 | 1991-09-24 | 닛또 고오기 가부시기가이샤 | Clamping device |
| CN108381216A (en) * | 2018-01-16 | 2018-08-10 | 佛山杰致信息科技有限公司 | A kind of mechanical arm production clamping device |
| CN208163466U (en) * | 2018-04-17 | 2018-11-30 | 浙江羊皮书科技有限公司 | A kind of mounting device of sensor |
| CN208556406U (en) * | 2018-05-25 | 2019-03-01 | 无锡发那特机械科技有限公司 | A kind of hardware elbow pipe welding machine |
| CN109108384A (en) * | 2018-09-18 | 2019-01-01 | 张树林 | A kind of fixed cutting apparatus of factory |
| CN109318016A (en) * | 2018-12-18 | 2019-02-12 | 宁波辰凌自动化科技有限公司 | A kind of numerically controlled lathe is with can dust suction bearing clamping device |
| CN211991774U (en) * | 2020-03-31 | 2020-11-24 | 广州超卓金属制品有限公司 | Milling and drilling clamp for traction sheave of elevator |
| CN212762235U (en) * | 2020-07-03 | 2021-03-23 | 广西机电职业技术学院 | Machine tool machining clamp |
| CN215036955U (en) * | 2021-06-08 | 2021-12-07 | 扬州广凯机械科技有限公司 | Positioning jig for processing bearing plate |
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