Automatic high-precision positioning and clamping system and clamping method for numerical control machine tool
Technical Field
The invention relates to the technical field of numerical control machines, in particular to an automatic high-precision positioning and clamping system and a clamping method for a numerical control machine.
Background
The control machine tool is a digital control machine tool, and is an automatic machine tool with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. The numerical control device sends various control signals through operation processing, the action of the machine tool is controlled, parts are automatically machined according to the shape and size required by a drawing, the numerical control machine tool cannot transversely and longitudinally fix a metal column body when the middle part of the metal column body is drilled, so that the metal column body is easy to displace and shake in the drilling machining process, the drilling is not accurate, chips generated at the position of a workpiece to be machined cannot be automatically and safely discharged in the machining process, the next workpiece is stably placed and machined, and therefore a device is urgently needed to solve the problems.
Disclosure of Invention
The invention aims to provide an automatic high-precision positioning and clamping system and a clamping method for a numerical control machine tool, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the automatic high-precision positioning and clamping system for the numerical control machine tool comprises a fixed mounting plate, a machining table, a fixed supporting plate, a clamping part, a limiting pressing part, a metal column, a machining groove hole and a sealing sliding plate, wherein the fixed mounting plate is fixedly mounted at the bottoms of two sides of the machining table, the fixed supporting plate is fixedly mounted at the upper part of one end of the machining table, the bottom of the limiting pressing part is fixedly connected to two sides of the machining table, the clamping part is arranged at the upper part of the machining table, and the metal column is clamped and placed in the middle of the machining table through the clamping part and the limiting pressing part;
the front end fixed mounting of processing platform has the fan, the end of processing platform has the guide pipe through bolt fixed mounting, the upper end fixed mounting of processing platform has spacing, the inboard of spacing just is located the upper end symmetry fixed mounting of processing platform has first fixed plate, be provided with between the bottom of first fixed plate and support the alignment jig, just swing joint between the up end of the bottom of support alignment jig and processing platform, the upper end outside of supporting the alignment jig all rotates the joint and has the screw thread to adjust the post, screw thread is adjusted post screw thread and is rotated and run through the grafting inside in first fixed plate upper end, fixed mounting has buffering stabilizing spring between the upper end outside of support alignment jig and the upper end inboard of first fixed plate, just the screw thread is adjusted the middle part that the post is located buffering stabilizing spring, the upper portion outside fixed mounting of processing platform has the second fixed plate, the inside fixed mounting in both ends of second fixed plate has first pneumatic cylinder, sealing sliding plate slip joint is in the upper end of processing platform inside, the processing slotted hole runs through to open on sealing sliding plate.
Preferably, the clamping part includes supplementary clamping device, rotates extrusion wheel, regulating arm, spacing groove, second pneumatic cylinder, regulation control lever and toper extrusion regulation post, rotate between the middle part of regulating arm and connect, the spacing groove runs through the end of seting up at the regulating arm, it installs to rotate the extrusion wheel rotation the terminal upper portion of regulating arm, supplementary clamping device fixed connection is at the front end of regulating arm, second pneumatic cylinder fixed mounting is on the fixed stay board, toper extrusion regulation post fixed connection is in the front end of second pneumatic cylinder, regulation control lever fixed connection is in the terminal both sides of toper extrusion regulation post.
Preferably, the auxiliary clamping device comprises a third fixing plate, a clamping plate, an arc-shaped auxiliary clamping frame, a fourth fixing plate, a third hydraulic cylinder, a limiting insertion column, a limiting insertion hole, a sliding adjusting plate and a fourth hydraulic cylinder, the third fixing plate is fixedly connected to the outer side end of the clamping plate, the fourth hydraulic cylinder is fixedly installed on the third fixing plate, the sliding adjusting plate is fixedly connected to the front end of the fourth hydraulic cylinder, the limiting insertion hole is formed in the sliding adjusting plate in an evenly penetrating mode, the arc-shaped auxiliary clamping frame is fixedly connected to the inner side end of the clamping plate, the fourth fixing plate is fixedly installed at the upper end of the clamping plate, the third hydraulic cylinder is symmetrically and fixedly installed on the fourth fixing plate, the limiting insertion column is fixedly connected to the bottom end of the third hydraulic cylinder, and the bottom of the limiting insertion column is slidably inserted into the clamping plate.
Preferably, spacing pressing portion includes that the adjustment tank, slides and presses the limiting plate, rotates regulating wheel, direction and rotates wheel, spacing support frame, regulation rope and fifth fixed plate and regulation control board and regulation lug, slide and press limiting plate slip joint inside the upper end of spacing support frame, the adjustment tank is evenly seted up and is pressed down on the limiting plate in the slip, rotate the regulating wheel with the direction rotates the wheel through fifth fixed plate and rotates and install on spacing support frame, the rolling of regulation rope is on rotating the regulating wheel, the bottom process of adjusting the rope and rotating the wheel by the direction, regulation lug fixed mounting is between the regulation control board, just regulation control board with the bottom of regulation lug with the middle part fixed connection who rotates the regulating wheel, rotate the regulating wheel with fixed mounting has spiral shell spring between the fifth fixed plate.
Preferably, the upper end face of the adjusting lug is a frosted surface, the upper end face of the adjusting lug is in contact with the bottom end face of the sliding pressing limiting plate, and the bottom end of the limiting support frame is fixedly connected to the processing table.
Preferably, the outer end of the adjusting rope is fixedly connected with the adjusting control rod, and the clamping plate is fixedly connected with the front end of the adjusting arm.
Preferably, the upper part of the limiting frame is movably inserted in the limiting groove, a dismounting disc is fixedly mounted between the ends, far away from the auxiliary clamping device, of the adjusting arms through bolts, and a return spring is fixedly mounted between the middle parts of the dismounting discs.
Preferably, the bottom of the rotating shaft at the rotating connection position of the middle part of the adjusting arm is fixedly connected with the middle part of the supporting and adjusting frame.
A clamping method of an automatic high-precision positioning and clamping system for a numerical control machine tool comprises the following specific steps:
the method comprises the following steps: firstly, conveying and clamping a metal column to the middle of the upper end of a processing table, and controlling the position of a sealing sliding plate through a first hydraulic cylinder so that a processing groove hole is positioned in the middle of the processing table;
step two: then a second hydraulic cylinder is started to drive a conical extrusion adjusting column to move forwards, the conical extrusion adjusting column moving forwards passes through the rotating extrusion wheels, and the conical extrusion adjusting column is arranged in a conical manner, so that the conical extrusion adjusting column moving forwards can synchronously extrude the rotating extrusion wheels, a reset spring arranged between the adjusting arms is stretched by extruding the rotating extrusion wheels, the adjusting arms rotate, the auxiliary clamping devices arranged at the front ends of the adjusting arms are closed, arc-shaped auxiliary clamping frames in the two auxiliary clamping devices can extrude and clamp the outer wall of the metal column, and the transverse position of the metal column is limited and fixed;
step three: when the conical extrusion adjusting column moves forwards, the conical extrusion adjusting column moving forwards removes the tension on the adjusting rope through the adjusting control rod, the rotary adjusting wheel rotates under the action of the spiral spring, the rotary adjusting wheel can drive the adjusting control plate and the adjusting lug to rotate clockwise, the upper end face of the rotary adjusting lug is in friction contact with the bottom end face of the sliding pressing limiting plate at the moment, the sliding pressing limiting plate slides forwards along the upper end of the limiting support frame, the bottom of the front end of the sliding pressing limiting plate slides to the upper end of the metal column, and the sliding pressing limiting plates in the two limiting pressing parts can synchronously limit the positions of the two sides of the upper end of the metal column to realize longitudinal limiting, so that the metal column cannot be displaced and shaken in the process of drilling the middle of the metal column;
step four: after the metal column is processed, a fan is started, high-pressure gas enters the inside of the processing table at the moment, and a guide hose connected with a guide pipe and used for conveying the scraps and conveying the scraps to the inside of a guide pipe and discharging the scraps;
step five: the position of a supporting and adjusting frame can be adjusted and controlled by synchronously rotating a thread adjusting column through rotating the thread adjusting column in a rotating manner, so that the position of rotating connection between adjusting arms can be adjusted, the offset fine adjustment can be carried out on the clamping position of an arc auxiliary clamping frame in two auxiliary clamping devices, a limit inserting column is raised along a clamping plate through a third hydraulic cylinder, then a sliding adjusting plate is pushed to slide along the clamping plate through a fourth hydraulic cylinder, the position of the arc auxiliary clamping frame can be adjusted and controlled due to the fact that the front end of the sliding adjusting plate is fixedly connected with the arc auxiliary clamping frame, and after the using position of the arc auxiliary clamping frame is adjusted, the limit inserting column is inserted into a limit jack at an appointed position through the control of a third hydraulic cylinder, the limit and the locking of the sliding adjusting plate and the arc auxiliary clamping frame are realized, and the two adjusted arc auxiliary clamping frames can fully clamp and limit metal columns with different diameters.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the clamping part is arranged, so that the metal column can be clamped and clamped through the clamping part, the metal column to be processed can be transversely clamped, limited and fixed, and the metal columns with different diameters can be clamped and transversely fixed through the auxiliary clamping device in the clamping part;
2. according to the invention, the two limiting pressing parts are arranged on the two sides of the processing table, so that the second hydraulic cylinder in the clamping part can automatically and synchronously drive the two limiting pressing parts to operate when driving the conical extrusion adjusting column to operate, the sliding pressing limiting plate in the limiting pressing part can automatically limit and press the edges of the two sides of the upper end of the metal column, so that the longitudinal pressing limiting of the metal column is automatically realized, the transverse clamping limiting and the longitudinal limiting extrusion of the metal column are synchronously realized, and after the middle part of the metal column is drilled, the transverse and longitudinal limiting extrusion and clamping can be synchronously released;
3. according to the invention, through arranging the first hydraulic cylinder, the sealing sliding plate and the fan, scraps generated in the metal column processing process can automatically enter the processing table, and then can be automatically cleaned and removed through the fan, so that the scraps cannot be accumulated at the position of the upper end of the processing table for supporting and limiting the bottom of the metal column, the metal column can be continuously and accurately limited and placed, the drilling can be conveniently and accurately carried out, and the clamping and limiting positions of the two arc-shaped auxiliary clamping frames can be finely adjusted through the transverse fine adjustment of the position of the supporting and adjusting frame.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the upper end of the processing table of the present invention;
FIG. 3 is a schematic view of the structure of the processing station of the present invention;
FIG. 4 is a schematic side view of the processing station of the present invention;
FIG. 5 is a schematic view of the clamp portion of the present invention;
FIG. 6 is a schematic view of the auxiliary clamping device of the present invention;
FIG. 7 is a front end view of the auxiliary clamping device of the present invention;
FIG. 8 is a schematic structural view of the position-limiting pressing portion according to the present invention;
FIG. 9 is a schematic view of the inner structure of the upper end of the pressing portion of the present invention;
fig. 10 is a schematic structural view of the sliding pressing stopper plate according to the present invention.
In the figure: 1-fixed mounting plate, 2-processing table, 3-fixed support plate, 4-clamping part, 5-limit pressing part, 6-metal column, 7-blower, 8-first fixed plate, 9-guide exhaust pipe, 10-limit frame, 11-support adjusting frame, 12-buffer stabilizing spring, 13-thread adjusting column, 14-first hydraulic cylinder, 15-second fixed plate, 16-processing slotted hole, 17-sealing sliding plate, 18-auxiliary clamping device, 19-rotating extrusion wheel, 20-adjusting arm, 21-limit groove, 22-second hydraulic cylinder, 23-adjusting control rod, 24-conical extrusion adjusting column, 25-third fixed plate, 26-clamping plate, 27-arc auxiliary clamping frame, 28-fourth fixed plate, 29-third hydraulic cylinder, 30-limit inserting column, 31-limit inserting hole, 32-sliding adjusting plate, 33-fourth hydraulic cylinder, 34-scroll adjusting groove, 35-sliding pressing limit plate, 36-rotating adjusting wheel, 37-guide rotating wheel, 38-third hydraulic cylinder, 39-limit adjusting rope supporting frame, 40-limit adjusting inserting hole, 32-sliding adjusting plate, 33-fourth hydraulic cylinder, 34-spiral adjusting groove, 35-sliding pressing limit adjusting plate, 36-rotating adjusting spring, 37-guiding rotating control plate, 38-limiting control plate, 39-limiting control plate, and 43-adjusting spring fixing block.
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, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention: an automatic high-precision positioning and clamping system for a numerical control machine tool and a clamping method thereof comprise a fixed mounting plate 1, a processing table 2, a fixed support plate 3, a clamping part 4, a limiting pressing part 5, a metal column 6, a processing groove hole 16 and a sealing sliding plate 17, wherein the fixed mounting plate 1 is fixedly arranged at the bottom of two sides of the processing table 2, the fixed support plate 3 is fixedly arranged at the upper part of one end of the processing table 2, the bottom of the limiting pressing part 5 is fixedly connected with two sides of the processing table 2, the clamping part 4 is arranged at the upper part of the processing table 2, the metal column 6 is clamped and placed in the middle of the processing table 2 through the clamping part 4 and the limiting pressing part 5, a fan 7 is fixedly arranged at the front end of the processing table 2, a guide exhaust pipe 9 is fixedly arranged at the tail end of the processing table 2 through a bolt, a limiting frame 10 is fixedly arranged at the upper end of the processing table 2, a first fixing plate 8 is symmetrically and fixedly arranged at the inner side of the limiting frame 10 and positioned at the upper end of the processing table 2, a supporting and adjusting frame 11 is arranged between the bottoms of the first fixing plates 8, the bottoms of the supporting and adjusting frames 11 are movably connected with the upper end face of the processing table 2, the outer sides of the upper ends of the supporting and adjusting frames 11 are rotatably clamped with thread adjusting columns 13, the thread adjusting columns 13 are rotatably inserted into the upper ends of the first fixing plates 8 in a threaded manner, buffering and stabilizing springs 12 are fixedly arranged between the outer sides of the upper ends of the supporting and adjusting frames 11 and the inner sides of the upper ends of the first fixing plates 8, the thread adjusting columns 13 are positioned in the middle parts of the buffering and stabilizing springs 12, a second fixing plate 15 is fixedly arranged at the outer side end of the upper part of the processing table 2, first hydraulic cylinders 14 are fixedly arranged in the two ends of the second fixing plate 15, sealing sliding plates 17 are slidably clamped into the inner parts of the upper ends of the processing table 2, processing groove holes 16 are arranged on the sealing sliding plates 17 in a penetrating manner, and the first hydraulic cylinders 14, the sealing sliding plates 17 and the fans 7 are arranged, can be so that the automatic inside that gets into to processing platform 2 of piece that produces in the in-process to metal column 6 processing, then carry out automatic clearance through fan 7 and clear away, make processing platform 2 upper end be used for can not piling up the piece to 6 bottom sprag spacing positions of metal column, make metal column 6 can be accurate spacing in succession place, make things convenient for the accurate going on of drilling, and support the position of alignment jig 11 through horizontal fine setting and can finely tune the spacing position of 27 centre grippings of supplementary centre gripping of two arcs.
Referring to fig. 5, the clamping portion 4 includes an auxiliary clamping device 18, a rotary extrusion wheel 19, an adjusting arm 20, a limiting groove 21, a second hydraulic cylinder 22, an adjusting control rod 23 and a tapered extrusion adjusting column 24, the middle portions of the adjusting arm 20 are rotatably connected through a rotating shaft, the limiting groove 21 penetrates through the end of the adjusting arm 20, the rotary extrusion wheel 19 is rotatably mounted on the upper portion of the end of the adjusting arm 20, the auxiliary clamping device 18 is fixedly connected to the front end of the adjusting arm 20, the second hydraulic cylinder 22 is fixedly mounted on the fixed support plate 3, the tapered extrusion adjusting column 24 is fixedly connected to the front end of the second hydraulic cylinder 22, the adjusting control rod 23 is fixedly connected to both sides of the end of the tapered extrusion adjusting column 24, the metal column 6 can be clamped and clamped by the clamping portion 4, so that the metal column 6 to be processed can be transversely clamped, limited and fixed, and the metal columns 6 with different diameters can be transversely fixed by the auxiliary clamping device 18 in the clamping portion 4.
Referring to fig. 6 and 7, the auxiliary clamping device 18 includes a third fixing plate 25, a clamping plate 26, an arc-shaped auxiliary clamping frame 27, a fourth fixing plate 28, a third hydraulic cylinder 29, a limiting insertion post 30, a limiting insertion hole 31, a sliding adjusting plate 32 and a fourth hydraulic cylinder 33, the third fixing plate 25 is fixedly connected to the outer side end of the clamping plate 26, the fourth hydraulic cylinder 33 is fixedly installed on the third fixing plate 25, the sliding adjusting plate 32 is fixedly connected to the front end of the fourth hydraulic cylinder 33, the limiting insertion hole 31 is uniformly penetrated and opened on the sliding adjusting plate 32, the arc-shaped auxiliary clamping frame 27 is fixedly connected to the inner side end of the clamping plate 26, the fourth fixing plate 28 is fixedly installed at the upper end of the clamping plate 26, the third hydraulic cylinders 29 are symmetrically and fixedly installed on the fourth fixing plate 28, the limiting insertion post 30 is fixedly connected to the bottom end of the third hydraulic cylinder 29, the bottom of the limiting insertion column 30 is slidably inserted into the clamping plate 26, the limiting insertion column 30 is lifted along the clamping plate 26 through the third hydraulic cylinder 29, then the sliding adjusting plate 32 is pushed to slide along the clamping plate 26 through the fourth hydraulic cylinder 33, the position of the arc-shaped auxiliary clamping frame 27 can be adjusted and controlled due to the fact that the front end of the sliding adjusting plate 32 is fixedly connected with the arc-shaped auxiliary clamping frame 27, after the using position of the arc-shaped auxiliary clamping frame 27 is adjusted, the limiting insertion column 30 is inserted into the limiting insertion hole 31 of the designated position through the control of the third hydraulic cylinder 29, limiting and locking of the sliding adjusting plate 32 and the arc-shaped auxiliary clamping frame 27 are achieved, and therefore the two adjusted arc-shaped auxiliary clamping frames 27 can fully clamp and limit metal columns 6 of different diameters.
Referring to fig. 8, 9 and 10, the limiting and pressing portion 5 includes an adjusting groove 34, a sliding and pressing limiting plate 35, a rotating adjusting wheel 36, a guiding rotating wheel 37, a limiting support frame 38, an adjusting rope 39, a fifth fixing plate 40, an adjusting control plate 41 and an adjusting protrusion 42, the sliding and pressing limiting plate 35 is slidably engaged with the inside of the upper end of the limiting support frame 38, the adjusting groove 34 is uniformly formed on the sliding and pressing limiting plate 35, the rotating adjusting wheel 36 and the guiding rotating wheel 37 are rotatably mounted on the limiting support frame 38 through the fifth fixing plate 40, the adjusting rope 39 is wound on the rotating adjusting wheel 36, the adjusting rope 39 passes through the bottom of the guiding rotating wheel 37, the adjusting protrusion 42 is fixedly mounted between the adjusting control plates 41, and the bottoms of the adjusting control plate 41 and the adjusting bump 42 are fixedly connected with the middle part of the rotating adjusting wheel 36, a spiral spring 43 is fixedly installed between the rotating adjusting wheel 36 and the fifth fixing plate 40, the second hydraulic cylinder 22 in the clamping part 4 can automatically and synchronously drive the two limiting pressing parts 5 to operate when driving the conical extrusion adjusting column 24, the limiting plates 35 can be automatically and synchronously pressed by utilizing the sliding in the limiting pressing parts 5 to automatically limit and press the edges of the two sides of the upper end of the metal column 6, so that the longitudinal pressing limit of the metal column 6 is automatically realized, the transverse clamping limit and the longitudinal limiting extrusion limit of the metal column 6 are synchronously realized, and after the middle part of the metal column 6 is drilled, the transverse and longitudinal limiting extrusion and clamping can be synchronously released.
The upper end face of the adjusting lug 42 is a frosted face, the upper end face of the adjusting lug 42 is in contact with the bottom end face of the sliding pressing limiting plate 35, the sliding pressing limiting plate 35 can be driven to move transversely through the rotating adjusting lug 42 through friction force, and the bottom end of the limiting supporting frame 38 is fixedly connected to the processing table 2 to play a role in fixed connection.
The outer end of the adjusting rope 39 is fixedly connected with the adjusting control rod 23, the adjusting control rod 23 can control the tension adjustment of the adjusting rope 39, the clamping plate 26 is fixedly connected with the front end of the adjusting arm 20, and the rotating adjusting arm 20 can drive the clamping plate 26 to move.
The upper portion activity of spacing 10 is pegged graft in the inside of spacing groove 21, plays spacing effect, and there is the dismantlement dish through bolt fixed mounting between the one end that supplementary clamping device 18 was kept away from to regulating arm 20, and fixed mounting has reset spring between the middle part of dismantling the dish, can change reset spring after dismantling the dish by regulating arm 20.
The bottom of the rotating shaft at the middle rotating joint of the adjusting arm 20 is fixedly connected to the middle of the supporting and adjusting frame 11, so as to play a role in limiting.
A clamping method of an automatic high-precision positioning and clamping system for a numerical control machine tool comprises the following specific steps:
the method comprises the following steps: firstly, conveying and clamping the metal column 6 to the middle of the upper end of the processing table 2, and controlling the position of a sealing sliding plate 17 through a first hydraulic cylinder 14 at the moment so that a processing groove hole 16 is positioned at the middle of the processing table 2;
step two: then, the second hydraulic cylinder 22 is started to drive the conical extrusion adjusting column 24 to move forwards, at the moment, the conical extrusion adjusting column 24 moving forwards passes through the space between the rotating extrusion wheels 19, and because the conical extrusion adjusting column 24 is arranged in a conical shape, the conical extrusion adjusting column 24 moving forwards can synchronously extrude the rotating extrusion wheels 19, so that the reset springs arranged between the adjusting arms 20 are stretched by extruding the rotating extrusion wheels 19, the adjusting arms 20 rotate, the auxiliary clamping devices 18 arranged at the front ends of the adjusting arms 20 are mutually closed, at the moment, the arc-shaped auxiliary clamping frames 27 in the two auxiliary clamping devices 18 can extrude and clamp the outer wall of the metal column 6, and the transverse position of the metal column 6 is limited and fixed;
step three: when the conical extrusion adjusting column 24 moves forwards, the conical extrusion adjusting column 24 moving forwards removes the pulling force on the adjusting rope 39 through the adjusting control rod 23, the rotating adjusting wheel 36 is rotated under the action of the spiral spring 43, the rotating adjusting wheel 36 can drive the adjusting control plate 41 and the adjusting lug 42 to rotate clockwise, at this time, the upper end surface of the rotating adjusting lug 42 is in friction contact with the bottom end surface of the sliding pressing limiting plate 35, the sliding pressing limiting plate 35 slides forwards along the upper end of the limiting support frame 38, the bottom of the front end of the sliding pressing limiting plate 35 slides to the upper end of the metal column 6, and therefore the sliding pressing limiting plates 35 in the two limiting pressing parts 5 can limit the positions of the two sides of the upper end of the metal column 6 synchronously, longitudinal limiting is achieved, and the metal column 6 cannot move and shake in the process of drilling the middle part of the metal column 6;
step four: after the metal column 6 is processed, the tapered extrusion adjusting column 24 and the adjusting control rod 23 move backwards, at this time, the adjusting rope 39 pulls the rotation adjusting wheel 36 to rotate, the rotating rotation adjusting wheel 36 drives the adjusting control plate 41 and the adjusting lug 42 to rotate anticlockwise, at this time, the adjusting groove 34 is extruded by the adjusting lug 42 and the adjusting control plate 41, the sliding pressing limiting plate 35 automatically slides outwards along the upper end of the limiting support frame 38 for a specified distance, so that the sliding pressing limiting plate 35 cannot limit the positions of two sides of the upper end of the metal column 6, and the arc auxiliary clamping frame 27 disappears the extrusion clamping force on the outer wall of the metal column 6, so that the transverse and longitudinal limiting extrusion forces of the metal column 6 disappear synchronously, the processed metal column 6 is convenient to clamp and take out, after the metal column 6 is processed, the sealing sliding plate 17 is driven to slide back and forth along the inside of the processing table 2 by the first hydraulic cylinder 14, at this time, debris accumulated at the middle position of the processing table 2 during the processing process can all fall into the inside of the processing table 2 through the processing table 16, so that the upper end of the processing table 2 does not cause the debris to enter the high-pressure air-guiding fan 7 and the high-pressure air-collecting and discharging pipe 7 of the processing table 2, at this time, and the high-pressure air-guiding pipe 7 can be blown into the high-pressure air-discharging pipe, and the high-pressure-discharging pipe can be discharged to the high-pressure air-discharging pipe, and the high-discharging pipe, at this time, and the high-pressure air-discharging pipe can be discharged to the high-pressure pipe, and the high-pressure pipe can be discharged to the processing table 2;
step five: the position of the supporting and adjusting frame 11 can be adjusted and controlled by synchronously screwing and rotating the thread adjusting column 13 so that the thread adjusting column 13 moves on the upper portion of the first fixing plate 8, thereby the position of the rotary connection between the adjusting arms 20 can be adjusted, thereby fine adjustment of the offset of the clamping position of the arc auxiliary clamping frames 27 in the two auxiliary clamping devices 18 can be performed, the limit inserting column 30 is lifted along the clamping plate 26 through the third hydraulic cylinder 29, then the sliding adjusting plate 32 is pushed to slide along the clamping plate 26 through the fourth hydraulic cylinder 33, because the front end of the sliding adjusting plate 32 is fixedly connected with the arc auxiliary clamping frames 27, the position of the arc auxiliary clamping frames 27 can be adjusted and controlled, after the using position of the arc auxiliary clamping frames 27 is adjusted, the limit inserting column 30 is inserted into the limit inserting hole 31 at the designated position through the control of the third hydraulic cylinder 29, the limit and the locking of the sliding adjusting plate 32 and the arc auxiliary clamping frames 27 are realized, and thus the two adjusted arc auxiliary clamping frames 27 can fully clamp and limit metal columns 6 with different diameters.
The working principle is as follows: the device is fixedly installed at a designated place through the fixed installation plate 1, the metal column 6 is vertically conveyed and clamped to the middle part of the upper end of the processing table 2 through an external conveying and clamping device, the position of the sealing sliding plate 17 is controlled through the first hydraulic cylinder 14 at the moment, the processing groove 16 is positioned at the middle part of the processing table 2, then the second hydraulic cylinder 22 is started to drive the conical extrusion adjusting column 24 to move forwards, the conical extrusion adjusting column 24 moving forwards passes through the rotating extrusion wheels 19 at the moment, and because the conical extrusion adjusting column 24 is in a conical arrangement, the conical extrusion adjusting column 24 moving forwards can synchronously extrude the rotating extrusion wheels 19, so that the return spring arranged between the adjusting arms 20 is stretched through extruding the rotating extrusion wheels 19, the adjusting arms 20 rotate, and the auxiliary clamping devices 18 arranged at the front ends of the adjusting arms 20 are close to each other, at this time, the arc auxiliary clamping frames 27 in the two auxiliary clamping devices 18 can clamp the outer wall of the metal column 6 in an extruding manner, so that the transverse position of the metal column 6 is limited and fixed, when the conical extrusion adjusting column 24 moves forwards, the conical extrusion adjusting column 24 moving forwards removes the tension on the adjusting rope 39 through the adjusting control rod 23, the rotating adjusting wheel 36 is rotated under the action of the spiral spring 43, the rotating adjusting wheel 36 can drive the adjusting control plate 41 and the adjusting lug 42 to rotate clockwise, the upper end surface of the rotating adjusting lug 42 is in friction contact with the bottom end surface of the sliding pressing limiting plate 35 at this time, the sliding pressing limiting plate 35 slides forwards along the upper end of the limiting support frame 38, the bottom of the front end of the sliding pressing limiting plate 35 slides to the upper end of the metal column 6, and the sliding pressing limiting plates 35 in the two limiting pressing portions 5 can limit the positions of the two sides of the upper end of the metal column 6 synchronously The longitudinal limiting is realized, the metal column 6 cannot be displaced and shaken in the process of drilling the middle part of the metal column 6, after the metal column 6 is processed, the conical extrusion adjusting column 24 and the adjusting control rod 23 move backwards, the adjusting rope 39 can pull the rotary adjusting wheel 36 to rotate at the moment, the rotary adjusting wheel 36 drives the adjusting control plate 41 and the adjusting lug 42 to rotate anticlockwise, the adjusting groove 34 is extruded through the adjusting lug 42 and the adjusting control plate 41 so that the sliding pressing limiting plate 35 automatically slides outwards along the upper end of the limiting support frame 38 for a specified distance, the sliding pressing limiting plate 35 cannot limit the positions of the two sides of the upper end of the metal column 6, and the arc-shaped auxiliary clamping frame 27 extrudes and clamps the outer wall of the metal column 6 at the moment, so that the transverse and longitudinal limiting extrusion force of the metal column 6 disappears synchronously, the processed metal column 6 is convenient to be clamped and taken out, after the metal column 6 is processed, the first hydraulic cylinder 14 drives the sealing sliding plate 17 to slide four times along the inside of the processing table 2 in a reciprocating mode, at the moment, chips accumulated at the middle position of the processing table 2 in the processing process completely fall into the processing table 2 through the processing slotted holes 16, so that the chips cannot be accumulated at the position, limited to the metal column 6, of the upper end of the processing table 2, after the chips are collected in the processing table 2 for a specified time, the fan 7 is started, at the moment, high-pressure gas is blown into the processing table 2 by the fan 7, at the moment, the chips enter the conveying hose connected to the guide and exhaust pipe 9 to be conveyed and exhausted in a guiding mode, the screw thread adjusting column 13 moves on the upper portion of the first fixing plate 8 through synchronous screwing and rotating of the screw thread adjusting column 13, and the position of the support adjusting frame 11 can be adjusted and controlled, thereby can adjust the position of rotating the connection between the regulating arm 20, thereby can finely tune the skew to the supplementary centre gripping frame 27 clamping position of arc among two supplementary clamping device 18, make spacing post 30 rise along grip block 26 through third pneumatic cylinder 29, then promote slide adjusting plate 32 through fourth pneumatic cylinder 33 and slide along grip block 26, because slide adjusting plate 32's front end and the supplementary centre gripping frame 27 fixed connection of arc, consequently can adjust and control the position of supplementary centre gripping frame 27 of arc, after the use position regulation of supplementary centre gripping frame 27 of arc finishes, make spacing post 30 of inserting insert inside the spacing jack 31 of assigned position through third pneumatic cylinder 29 control, realize spacing and the lock dead to slide adjusting plate 32 and supplementary centre gripping frame 27 of arc, thereby two supplementary centre gripping frames 27 of arc after the regulation can carry out abundant clamp and spacing to the metal post 6 of different diameters.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.