CN115415825B - Automatic high-precision positioning and clamping system and clamping method for numerical control machine tool - Google Patents
Automatic high-precision positioning and clamping system and clamping method for numerical control machine tool Download PDFInfo
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- CN115415825B CN115415825B CN202211194378.0A CN202211194378A CN115415825B CN 115415825 B CN115415825 B CN 115415825B CN 202211194378 A CN202211194378 A CN 202211194378A CN 115415825 B CN115415825 B CN 115415825B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 91
- 238000003825 pressing Methods 0.000 claims abstract description 60
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims description 70
- 230000008569 process Effects 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses an automatic high-precision positioning and clamping system and a clamping method for a numerical control machine tool, wherein the automatic high-precision positioning and clamping system comprises a fixed mounting plate, a processing table, a fixed supporting plate, a clamping part, a limiting pressing part, a metal column, processing slotted holes and a sealing sliding plate, wherein the fixed mounting plate is fixedly arranged at the bottoms of two sides of the processing table, the fixed supporting plate is fixedly arranged at the upper part of one end of the processing table, the bottoms of the limiting pressing part are fixedly connected to two sides of the processing table, the clamping part is arranged at the upper part of the processing table, and the metal column is clamped and placed at the middle part of the processing table through the clamping part and the limiting pressing part. According to the clamping device, the clamping part is arranged, so that the metal column to be processed can be clamped, limited and fixed transversely, and the metal columns with different diameters can be clamped and fixed transversely through the auxiliary clamping device in the clamping part.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to an automatic high-precision positioning and clamping system and a clamping method for a numerical control machine tool.
Background
The control machine tool is a numerical control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is able to logically process a program defined by control codes or other symbolic instructions, and to decode it, expressed in coded numbers, and input to the numerical control device via the information carrier. The numerical control device sends various control signals to control the action of the machine tool, the machine tool automatically processes parts according to the shape and the size required by a drawing, the numerical control machine tool cannot transversely and longitudinally fix the metal column when drilling the middle part of the metal column, the metal column is easy to displace and shake in the drilling process, the drilling is inaccurate, and scraps generated at the position where a processed workpiece is placed cannot be automatically and safely discharged in the processing process, so that the stable placing and processing of the next workpiece are affected, and a device is 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, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the automatic high-precision positioning and clamping system for the numerical control machine tool comprises a fixed mounting plate, a processing table, a fixed supporting plate, a clamping part, a limiting pressing part, a metal column, a processing slot hole and a sealing sliding plate, wherein the fixed mounting plate is fixedly mounted at the bottoms of two sides of the processing table;
the front end fixed mounting of processing platform has the fan, the end of processing platform has the drain pipe through bolt fixed mounting, the upper end fixed mounting of processing platform has the spacing, the inboard of spacing just is located the upper end symmetry fixed mounting of processing platform has first fixed plate, be provided with the support adjustment frame between the bottom of first fixed plate, just swing joint between the bottom of support adjustment frame and the up end of processing platform, the equal rotation joint of the upper end outside of support adjustment frame has the screw thread adjusting post, screw thread adjusting post screw thread rotates and runs through and peg graft inside first fixed plate upper end, fixed mounting has the buffering stability spring between the upper end outside of support adjustment frame and the upper end inboard of first fixed plate, just the screw thread adjusting post is located the middle part of buffering stability spring, the upper portion outside fixed mounting of processing platform has the second fixed plate, the inside fixed mounting of both ends of second fixed plate has first pneumatic cylinder, the sealed sliding plate sliding joint is in the upper end inside of processing platform, the processing slot hole is seted up on the sealed sliding plate.
Preferably, the clamping part comprises an auxiliary clamping device, a rotary extrusion wheel, an adjusting arm, a limiting groove, a second hydraulic cylinder, an adjusting control rod and a conical extrusion adjusting column, wherein two adjusting arms are arranged, the two adjusting arms are connected in a rotary mode between the middle parts of the adjusting arms, the limiting groove penetrates through the tail end of the adjusting arms, the rotary extrusion wheel is rotatably installed on the upper portion of the tail end of the adjusting arms, the auxiliary clamping device is fixedly connected to the front end of the adjusting arms, the second hydraulic cylinder is fixedly installed on a fixed supporting plate, the conical extrusion adjusting column is fixedly connected to the front end of the second hydraulic cylinder, and the adjusting control rod is fixedly connected to the two sides of the tail end of the conical extrusion adjusting column.
Preferably, the auxiliary clamping device comprises a third fixing plate, a clamping plate, an arc auxiliary clamping frame, a fourth fixing plate, a third hydraulic cylinder, a limiting inserting column, a limiting inserting hole, a sliding adjusting plate and a fourth hydraulic cylinder, wherein the third fixing plate is fixedly connected with 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 with the front end of the fourth hydraulic cylinder, the limiting inserting hole uniformly penetrates through and is formed in the sliding adjusting plate, the arc auxiliary clamping frame is fixedly connected with 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 inserting column is fixedly connected with the bottom end of the third hydraulic cylinder, and the bottom of the limiting inserting column is slidably inserted on the clamping plate.
Preferably, the limiting pressing part comprises an adjusting groove, a sliding pressing limiting plate, a rotating adjusting wheel, a guiding rotating wheel, a limiting supporting frame, an adjusting rope, a fifth fixing plate, an adjusting control plate and an adjusting lug.
Preferably, the up end of adjusting the lug is the frosting setting, the up end of adjusting the lug and sliding press limiting plate's bottom face contact, the bottom fixed connection of limiting support frame is on the processing bench.
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 portion of the limiting frame is movably inserted into the limiting groove, a disassembling disc is fixedly mounted between one ends of the adjusting arms, which are far away from the auxiliary clamping device, through bolts, and a reset spring is fixedly mounted between the middle portions of the disassembling disc.
Preferably, the bottom of the rotating shaft at the middle rotating joint of the adjusting arm is fixedly connected to the middle of the supporting 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:
step one: firstly, conveying and clamping a metal column to the middle part of the upper end of a processing table, and controlling the position of a sealing sliding plate through a first hydraulic cylinder at the moment so that a processing slot hole is positioned at the middle part of the processing table;
step two: then, the second hydraulic cylinder is started to drive the conical extrusion adjusting column to move forwards, the conical extrusion adjusting column moving forwards passes through the rotary extrusion wheels, and the conical extrusion adjusting column moving forwards is arranged in a conical manner, so that the conical extrusion adjusting column moving forwards can synchronously extrude the rotary extrusion wheels, a reset spring arranged between the adjusting arms is stretched by extruding the rotary extrusion wheels, the adjusting arms rotate, the auxiliary clamping devices arranged at the front ends of the adjusting arms are mutually closed, and at the moment, the arc-shaped auxiliary clamping frames in the two auxiliary clamping devices can extrude and clamp the outer wall of the metal column, so that the transverse position of the metal column is limited and fixed;
step three: when the conical extrusion adjusting column moves forwards, the forward moving conical extrusion adjusting column removes the pulling force on the adjusting rope through the adjusting control rod, the rotating adjusting wheel rotates under the action of the spiral spring, the rotating adjusting wheel can drive the adjusting control plate and the adjusting protruding block to rotate clockwise, at the moment, the upper end face of the rotating adjusting protruding block is in friction contact with the bottom end face of the sliding pressing limiting plate, the sliding pressing limiting plate slides forwards along the upper end of the limiting support frame, the front end bottom of the sliding pressing limiting plate slides to the upper end of the metal column, and therefore the sliding pressing limiting plates in the two limiting pressing parts can synchronously limit the two sides of the upper end of the metal column, so that longitudinal limiting is realized, and the metal column cannot move and shake in the process of drilling the middle of the metal column;
step four: after the metal column is machined, the conical extrusion adjusting column and the adjusting control rod are enabled to move backwards, the adjusting rope pulls the rotating adjusting wheel to rotate, the rotating adjusting wheel drives the adjusting control plate and the adjusting protruding block to rotate anticlockwise, at the moment, the adjusting protruding block and the adjusting control plate extrude the adjusting groove to enable the sliding pressing limiting plate to automatically slide outwards along the upper end of the limiting support frame for a specified distance, the sliding pressing limiting plate cannot limit the positions of the two sides of the upper end of the metal column, at the moment, the arc auxiliary clamping frame extrudes the outer wall of the metal column, so that the transverse and longitudinal limiting extrusion force of the metal column is enabled to be synchronous, the machined metal column is conveniently clamped and taken out, after the metal column is machined, the first hydraulic cylinder drives the sealing sliding plate to slide along the inside of the machining table in a reciprocating mode four times, at the moment, scraps accumulated at the middle position of the machining table in the machining process can not be accumulated at the position of the metal column through machining all and drop inside the machining table, at the moment, after the inner part of the machining table is collected for specified time, the fan is started, the fan can conveniently blow the scraps into the inner part of the machining table, and the inner part of the pipe is connected with the guide hose, and the inner part is blown in the hose, and the scraps are conveniently discharged;
step five: the screw thread adjusting column is screwed synchronously to rotate so that the screw thread adjusting column can be moved on the upper portion of the first fixed plate to adjust and control the position of the supporting adjusting frame, the position of the connection between the adjusting arms can be adjusted, therefore, the clamping position of the arc auxiliary clamping frames in the two auxiliary clamping devices can be offset and finely adjusted, the limiting inserting column is lifted along the clamping plate through the third hydraulic cylinder, then the sliding adjusting plate is pushed to slide along the clamping plate through the fourth hydraulic cylinder, the front end of the sliding adjusting plate is fixedly connected with the arc auxiliary clamping frames, the position of the arc auxiliary clamping frames can be adjusted and controlled, after the using position of the arc auxiliary clamping frames is adjusted, the limiting inserting column is controlled to be inserted into the limiting inserting hole at the designated position through the third hydraulic cylinder, the limiting and locking of the sliding adjusting plate and the arc auxiliary clamping frames are achieved, 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 to be processed can be transversely clamped, limited and fixed, and the metal columns with different diameters can be transversely fixed by the auxiliary clamping device in the clamping part;
2. according to the invention, the two limiting pressing parts are arranged on two sides of the processing table, so that the two limiting pressing parts can be driven to operate automatically and synchronously when the second hydraulic cylinder in the clamping part drives the conical extrusion adjusting column to operate, the sliding pressing limiting plates in the limiting pressing parts can be used for automatically limiting and pressing the edges of two sides of the upper end of the metal column, so that the metal column is automatically and longitudinally pressed and limited, the transverse clamping limiting and the longitudinal limiting extrusion of the metal column are synchronously carried out, and after the middle part of the metal column is drilled, the transverse limiting extrusion and the longitudinal limiting extrusion can be synchronously released;
3. according to the invention, by arranging the first hydraulic cylinder, the sealing sliding plate and the fan, scraps generated in the process of processing the metal column automatically enter the processing table, and then the fan is used for automatically cleaning and clearing, so that scraps are not accumulated at the position of the bottom support limit position of the metal column at the upper end of the processing table, the metal column can be continuously and accurately placed in a limit mode, drilling is convenient and accurate, and the position of the two arc-shaped auxiliary clamping frames can be finely adjusted through the position of the transverse fine adjustment support adjusting frame.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic view of the upper end structure of the processing table of the present invention;
FIG. 3 is a schematic view of a processing table according to the present invention;
FIG. 4 is a schematic view of a side end of the processing table according to the present invention;
FIG. 5 is a schematic view of a clamping portion structure of the present invention;
FIG. 6 is a schematic view of the auxiliary clamping device of the present invention;
FIG. 7 is a schematic view of the front end structure of the auxiliary clamping device of the present invention;
FIG. 8 is a schematic view of a limiting pressing portion according to the present invention;
FIG. 9 is a schematic view of the inner structure of the upper end of the limit pressing part of the present invention;
fig. 10 is a schematic structural view of the sliding pressing limiting plate according to the present invention.
In the figure: the scroll compressor comprises a 1-fixed mounting plate, a 2-processing table, a 3-fixed support plate, a 4-clamping part, a 5-limit pressing part, a 6-metal column, a 7-fan, a 8-first fixed plate, a 9-guide tube, a 10-limit frame, a 11-support adjusting frame, a 12-buffer stabilizing spring, a 13-threaded adjusting column, a 14-first hydraulic cylinder, a 15-second fixed plate, a 16-processing slot, a 17-sealing sliding plate, a 18-auxiliary clamping device, a 19-rotating extrusion wheel, a 20-adjusting arm, a 21-limit groove, a 22-second hydraulic cylinder, a 23-adjusting control rod, a 24-conical extrusion adjusting column, a 25-third fixed plate, a 26-clamping plate, a 27-arc auxiliary clamping frame, a 28-fourth fixed plate, a 29-third hydraulic cylinder, a 30-limit inserting column, a 31-limit inserting hole, a 32-sliding adjusting plate, a 33-fourth hydraulic cylinder, a 34-adjusting groove, a 35-sliding pressing limit plate, a 36-rotating adjusting wheel, a 37-guide wheel, a 38-limit supporting frame, a 39-adjusting rope, a 40-fifth fixed plate, a 41-fixing spring adjusting lug, a 41-adjusting plate and a 43-adjusting spring.
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, 2, 3 and 4, an embodiment of the present invention is provided: an automatic high-precision positioning and clamping system for a numerical control machine tool and a clamping method thereof, which comprises a fixed mounting plate 1, a processing table 2, a fixed supporting plate 3, a clamping part 4, a limiting pressing part 5, a metal column 6, a processing slotted hole 16 and a sealing sliding plate 17, wherein the fixed mounting plate 1 is fixedly arranged at the bottoms of two sides of the processing table 2, the fixed supporting plate 3 is fixedly arranged at the upper part of one end of the processing table 2, the bottoms of the limiting pressing parts 5 are fixedly connected at the 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 part 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 tube 9 is fixedly arranged at the tail end of the processing table 2 through bolts, 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 the upper end of the processing table 2, a supporting adjusting frame 11 is arranged between the bottoms of the first fixing plates 8, the bottoms of the supporting adjusting frame 11 are movably connected with the upper end face of the processing table 2, the outer sides of the upper ends of the supporting adjusting frame 11 are respectively and rotatably clamped with a threaded adjusting column 13, the threaded adjusting columns 13 are in threaded rotation and inserted connection inside the upper ends of the first fixing plates 8, a buffer stabilizing spring 12 is fixedly arranged between the outer sides of the upper ends of the supporting adjusting frame 11 and the inner sides of the upper ends of the first fixing plates 8, the threaded adjusting columns 13 are positioned in the middle of the buffer stabilizing spring 12, a second fixing plate 15 is fixedly arranged at the outer ends of the upper parts of the processing table 2, first hydraulic cylinders 14 are fixedly arranged inside the two ends of the second fixing plate 15, a sealing sliding plate 17 is in sliding clamping connection inside the upper ends of the processing table 2, a processing slot 16 is in penetrating connection on the sealing sliding plate 17, through setting up first pneumatic cylinder 14 and sealed sliding plate 17 and fan 7, can make the automatic entering to the inside of processing platform 2 of piece that produces the in-process of processing to metal column 6, then clear away through fan 7 automatic clearance for processing platform 2 upper end is used for not piling up the piece to the spacing position department of metal column 6 bottom sprag, makes the spacing of metal column 6 can be continuous accurate place, makes things convenient for drilling accurate to can finely tune two arc auxiliary clamping frame 27 centre gripping spacing positions through the position of horizontal fine setting support adjustment frame 11.
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 adjusting arm 20 is provided with two adjusting arms 20, the middle parts of the two adjusting arms 20 are rotationally connected through a rotating shaft, the limiting groove 21 penetrates through the tail end of the adjusting arm 20, the rotary extrusion wheel 19 is rotationally mounted on the upper 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 supporting 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 two sides of the tail end of the tapered extrusion adjusting column 24, the metal column 6 can be clamped and clamped through the clamping portion 4, the metal columns 6 needing to be processed can be transversely clamped and limited and fixed, and the metal columns 6 with different diameters can be transversely clamped and fixed through 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 auxiliary clamping frame 27, a fourth fixing plate 28, a third hydraulic cylinder 29, a limiting inserting column 30, a limiting inserting hole 31, a sliding adjusting plate 32 and a fourth hydraulic cylinder 33, wherein 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 inserting hole 31 uniformly penetrates through and is formed in the sliding adjusting plate 32, the arc 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 cylinder 29 is symmetrically and fixedly installed on the fourth fixing plate 28, the bottom end of the limiting inserting column 30 is fixedly connected to the third hydraulic cylinder 29, the bottom of the limiting inserting column 30 is slidably inserted on the clamping plate 26, the limiting inserting column 30 is enabled to be fixedly installed on the clamping plate 26 along the clamping plate 26 through the third hydraulic cylinder 29, then the sliding adjusting plate 32 is pushed by the fourth hydraulic cylinder 33 along the front end of the fourth hydraulic cylinder 33, and the clamping plate 32 is enabled to be fully inserted into the arc auxiliary clamping frame 27 along the clamping plate 27 along the inner side end of the clamping plate 26, and the inner side of the clamping plate 27 is enabled to be fully clamped and the arc auxiliary clamping frame 27 is enabled to be completely and the diameter of the arc auxiliary clamping frame 27 is enabled to be completely adjusted.
Referring to fig. 8, 9 and 10, the limit pressing part 5 includes an adjusting groove 34, a sliding pressing limit plate 35, a rotation adjusting wheel 36, a guiding rotating wheel 37, a limit supporting frame 38, an adjusting rope 39, a fifth fixing plate 40, an adjusting control plate 41 and an adjusting projection 42, the sliding pressing limit plate 35 is slidably clamped inside the upper end of the limit supporting frame 38, the adjusting groove 34 is uniformly arranged on the sliding pressing limit plate 35, the rotation adjusting wheel 36 and the guiding rotating wheel 37 are rotatably arranged on the limit supporting frame 38 through the fifth fixing plate 40, the adjusting rope 39 is wound on the rotation adjusting wheel 36, the adjusting rope 39 passes through the bottom of the guiding rotating wheel 37, the adjusting projection 42 is fixedly arranged between the adjusting control plates 41, and the bottoms of the regulating control plate 41 and the regulating lug 42 are fixedly connected with the middle part of the rotary regulating wheel 36, a spiral spring 43 is fixedly installed between the rotary regulating wheel 36 and the fifth fixed plate 40, the second hydraulic cylinder 22 in the clamping part 4 drives the conical extrusion regulating column 24 to operate and can automatically and synchronously drive the two limiting pressing parts 5 to operate, the sliding pressing limiting plates 35 in the limiting pressing parts 5 can automatically limit and press the edges of the two sides of the upper end of the metal column 6, so that the metal column 6 is automatically and longitudinally pressed and limited, the transverse clamping and the longitudinal limiting extrusion of the metal column 6 are synchronously carried out, and after the middle part of the metal column 6 is drilled, the transverse limiting extrusion and the longitudinal limiting extrusion can be synchronously released.
The up end of adjusting lug 42 is the frosting setting, and the up end of adjusting lug 42 and the bottom face contact of limiting plate 35 are pressed in the slip, can drive the slip through pivoted adjusting lug 42 through frictional force and press the lateral removal of limiting plate 35, and the bottom fixed connection of spacing support frame 38 plays fixed connection's effect on processing platform 2.
The outer end of the adjusting rope 39 is fixedly connected with the adjusting control rod 23, tension adjustment on the adjusting rope 39 can be controlled through the adjusting control rod 23, 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, has the dismantlement dish through bolt fixed mounting between the one end that auxiliary clamping device 18 was kept away from to adjusting arm 20, and fixed mounting has reset spring between the middle part of dismantlement dish, can change reset spring after dismantling the dish by adjusting arm 20.
The rotating shaft bottom of the middle rotating joint of the adjusting arm 20 is fixedly connected to the middle of the supporting adjusting frame 11, and plays a limiting role.
A clamping method of an automatic high-precision positioning and clamping system for a numerical control machine tool comprises the following specific steps:
step one: firstly, conveying and clamping the metal column 6 to the middle part of the upper end of the processing table 2, and controlling the position of the sealing sliding plate 17 through the first hydraulic cylinder 14 at the moment, so that the processing slotted hole 16 is positioned at the middle part 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, the conical extrusion adjusting column 24 moving forwards passes through the rotary extrusion wheels 19, and the conical extrusion adjusting column 24 moving forwards is arranged in a conical manner, so that the conical extrusion adjusting column 24 can synchronously extrude the rotary extrusion wheels 19, a reset spring arranged between the adjusting arms 20 is stretched by extruding the rotary 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, and 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, so that the transverse position of the metal column 6 is limited and fixed;
step three: when the conical extrusion adjusting column 24 moves forwards, the forward moving conical extrusion adjusting column 24 removes the pulling force on the adjusting rope 39 through the adjusting control rod 23, the rotating adjusting wheel 36 rotates 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 the moment, the upper end face of the rotating adjusting lug 42 is in friction contact with the bottom face of the sliding pressing limiting plate 35, so that 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, the sliding pressing limiting plates 35 in the two limiting pressing parts 5 can synchronously limit the two sides of the upper end of the metal column 6, and longitudinal limiting is achieved, so that the metal column 6 cannot shift and shake in the process of drilling the middle of the metal column 6;
step four: after the metal column 6 is processed, the conical extrusion adjusting column 24 and the adjusting control rod 23 are enabled to move backwards, at the moment, the adjusting rope 39 pulls the rotating adjusting wheel 36 to rotate, the rotating adjusting wheel 36 drives the adjusting control plate 41 and the adjusting convex block 42 to rotate anticlockwise, at the moment, the adjusting convex block 42 and the adjusting control plate 41 extrude the adjusting groove 34 to enable the sliding pressing limiting plate 35 to automatically slide 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, at the moment, the arc auxiliary clamping frame 27 is enabled to squeeze clamping force on the outer wall of the metal column 6, so that the transverse and longitudinal limiting extrusion force of the metal column 6 is enabled to disappear synchronously, the processed metal column 6 is enabled to be conveniently 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, at the moment, the chips accumulated in the middle position of the processing table 2 can be completely dropped into the inside the processing table 2 through the processing groove hole 16, the chips accumulated in the processing process can be enabled to not to limit the positions of the upper end of the processing table 2, the chips are enabled to enter the inner side of the processing table 2, and the fan is enabled to be connected with the air blower 9, and the air duct is enabled to be blown into the inside the processing hose to be enabled to be high, and the inside the processing hose is enabled to be connected to be convenient, and the inside the processing hose is enabled to be processed;
step five: the screw thread adjusting column 13 is screwed synchronously to rotate so that the screw thread adjusting column 13 can be moved on the upper portion of the first fixed plate 8 to adjust and control the position of the supporting adjusting frame 11, so that the position of the rotating connection between the adjusting arms 20 can be adjusted, the clamping positions of the arc auxiliary clamping frames 27 in the two auxiliary clamping devices 18 can be subjected to offset fine adjustment, the limiting inserting columns 30 are lifted along the clamping plates 26 through the third hydraulic cylinders 29, then the sliding adjusting plates 32 are pushed to slide along the clamping plates 26 through the fourth hydraulic cylinders 33, the front ends of the sliding adjusting plates 32 are fixedly connected with the arc auxiliary clamping frames 27, the positions of the arc auxiliary clamping frames 27 can be adjusted and controlled, after the using positions of the arc auxiliary clamping frames 27 are adjusted, the limiting inserting columns 30 are controlled through the third hydraulic cylinders 29 to be inserted into the limiting inserting holes 31 in the designated positions, the limiting and locking of the sliding adjusting plates 32 and the arc auxiliary clamping frames 27 can be achieved, and the two adjusted arc auxiliary clamping frames 27 can clamp and limit metal columns 6 with different diameters fully.
Working principle: the device is fixedly arranged at a designated place through the fixed mounting plate 1, the metal column 6 is conveyed and clamped to the middle part of the upper end of the processing table 2 in a vertical state 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 slot hole 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 at the moment passes through the rotary extrusion wheels 19, and the conical extrusion adjusting column 24 moving forwards is arranged in a conical manner, the conical extrusion adjusting column 24 can synchronously extrude the rotary extrusion wheels 19, so that a reset spring arranged between the adjusting arms 20 is stretched through extruding the rotary extrusion wheels 19, the adjusting arms 20 rotate, so that the auxiliary clamping devices 18 arranged at the front ends of the adjusting arms 20 are mutually closed, at the moment, the arc auxiliary clamping frames 27 in the two auxiliary clamping devices 18 press and clamp the outer wall of the metal column 6, so that the lateral position of the metal column 6 is limited and fixed, the conical extrusion adjusting column 24 which moves forward removes the pulling force on the adjusting rope 39 through the adjusting control rod 23 while the conical extrusion adjusting column 24 moves forward, the rotating adjusting wheel 36 rotates 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 the moment, the upper end face of the rotating adjusting lug 42 is in friction contact with the bottom end face of the sliding pressing limiting plate 35, so that the sliding pressing limiting plate 35 slides forward along the upper end of the limiting support frame 38, the front end bottom of the sliding pressing limiting plate 35 slides to the upper end of the metal column 6, so that the sliding pressing limiting plates 35 in the two limiting pressing parts 5 can synchronously limit the positions of the two sides of the upper end of the metal column 6, longitudinal limiting is realized, the metal column 6 cannot be displaced and shake 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, at the moment, the adjusting rope 39 pulls the rotating adjusting wheel 36 to rotate, the rotating adjusting wheel 36 drives the adjusting control plate 41 and the adjusting lug 42 to rotate anticlockwise, at the moment, the adjusting lug 42 and the adjusting control plate 41 squeeze the adjusting groove 34 to enable the sliding pressing limiting plates 35 to automatically slide outwards for a specified distance along the upper end of the limiting support frame 38, so that the sliding pressing limiting plates 35 cannot limit the positions of the two sides of the upper end of the metal column 6, and the arc auxiliary clamping frame 27 is used for eliminating the extrusion clamping force to the outer wall of the metal column 6 at the moment, so that the transverse and longitudinal limiting extrusion forces of the metal column 6 are synchronously eliminated, the processed metal column 6 is convenient to clamp and take out, after the metal column 6 is processed, the first hydraulic cylinder 14 drives the sealing sliding plate 17 to slide reciprocally along the interior of the processing table 2 four times, at the moment, scraps accumulated at the middle position of the processing table 2 in the processing process can fall into the processing table 2 through the processing slotted holes 16 completely, scraps cannot be accumulated at the position of the upper end of the processing table 2 for limiting the metal column 6, after the scraps are collected in the processing table 2 for a specified time, the fan 7 is started, at the moment, the fan 7 blows high-pressure gas into the processing table 2, at the moment, the scraps can enter into the conveying hose connected with the guide tube 9 for guiding conveying and discharging, the screw thread adjusting column 13 is screwed synchronously to rotate so that the screw thread adjusting column 13 can be moved on the upper portion of the first fixed plate 8 to adjust and control the position of the supporting adjusting frame 11, so that the position of the rotating connection between the adjusting arms 20 can be adjusted, the clamping positions of the arc auxiliary clamping frames 27 in the two auxiliary clamping devices 18 can be subjected to offset fine adjustment, the limiting inserting columns 30 are lifted along the clamping plates 26 through the third hydraulic cylinders 29, then the sliding adjusting plates 32 are pushed to slide along the clamping plates 26 through the fourth hydraulic cylinders 33, the front ends of the sliding adjusting plates 32 are fixedly connected with the arc auxiliary clamping frames 27, the positions of the arc auxiliary clamping frames 27 can be adjusted and controlled, after the using positions of the arc auxiliary clamping frames 27 are adjusted, the limiting inserting columns 30 are controlled through the third hydraulic cylinders 29 to be inserted into the limiting inserting holes 31 in the designated positions, the limiting and locking of the sliding adjusting plates 32 and the arc auxiliary clamping frames 27 can be achieved, and the two adjusted arc auxiliary clamping frames 27 can clamp and limit metal columns 6 with different diameters fully.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic high accuracy positioning and clamping system for digit control machine tool, includes fixed mounting board (1), processing platform (2), fixed support board (3), clamping part (4), spacing pressing part (5), metal column (6), processing slotted hole (16) and sealed sliding plate (17), its characterized in that: the fixed mounting plates (1) are fixedly arranged at the bottoms of two sides of the processing table (2), the fixed support plates (3) are fixedly arranged at the upper part of one end of the processing table (2), the bottoms of the limiting pressing parts (5) are fixedly connected to two sides of the processing table (2), the clamping parts (4) are arranged at the upper part of the processing table (2), and the metal columns (6) are clamped and placed at the middle part of the processing table (2) through the clamping parts (4) and the limiting pressing parts (5);
the front end of the processing table (2) is fixedly provided with a fan (7), the tail end of the processing table (2) is fixedly provided with a guide pipe (9) through bolts, the upper end of the processing table (2) is fixedly provided with a limiting frame (10), the inner side of the limiting frame (10) and the upper end of the processing table (2) are symmetrically and fixedly provided with a first fixing plate (8), a supporting and adjusting frame (11) is arranged between the bottoms of the first fixing plate (8), the bottoms of the supporting and adjusting frame (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 frame (11) are respectively and rotatably connected with a threaded adjusting column (13), the threaded adjusting columns (13) are rotatably inserted into the upper end of the first fixing plate (8), a buffer and stabilizing spring (12) is fixedly arranged between the outer sides of the upper ends of the supporting and the inner sides of the upper ends of the first fixing plate (8), the threaded adjusting column (13) is positioned in the middle of the buffer and stabilizing spring (12), the outer sides of the upper ends of the second fixing plate (2) are fixedly connected with a second sliding plate (15) fixedly arranged at the inner sides of the second fixing plate (15), the processing slotted hole (16) is penetrated and is offered on sealed sliding plate (17), clamping part (4) is including auxiliary clamping device (18), rotation extrusion wheel (19), adjusting arm (20), spacing groove (21), second pneumatic cylinder (22), adjusting lever (23) and toper extrusion adjusting column (24), adjusting arm (20) are equipped with two, two rotate between the middle part of adjusting arm (20) and be connected, spacing groove (21) are penetrated and are offered at the end of adjusting arm (20), rotation extrusion wheel (19) rotate and install in the end upper portion of adjusting arm (20), auxiliary clamping device (18) fixed connection is in the front end of adjusting arm (20), second pneumatic cylinder (22) fixed mounting is on fixed backup pad (3), toper extrusion adjusting column (24) fixed connection is in the front end of second pneumatic cylinder (22), adjusting lever (23) fixed connection is in the both sides of toper extrusion adjusting column (24), auxiliary clamping device (18) are including third fixed plate (25), auxiliary clamping device (26), fourth clamping plate (32), arc-shaped clamping plate (30), fourth clamping cylinder (32) fixed clamping plate (30), the third fixing plate (25) is fixedly connected with 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 with the front end of the fourth hydraulic cylinder (33), the limiting insertion holes (31) are uniformly penetrated and arranged on the sliding adjusting plate (32), the arc-shaped auxiliary clamping frame (27) is fixedly connected with 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 cylinder (29) is symmetrically and fixedly installed on the fourth fixing plate (28), the limiting inserting columns (30) are fixedly connected with the bottom end of the third hydraulic cylinder (29), the bottoms of the limiting inserting columns (30) are in sliding connection with the clamping plate (26), the limiting pressing part (5) comprises an adjusting groove (34), a sliding pressing limiting plate (35), a rotating adjusting wheel (37), a guiding wheel (39), a limiting rope (40) and a limiting control plate (42) are uniformly arranged on the inner side of the adjusting plate (35), the utility model discloses a spiral spring type rotary adjusting device, including rotation adjusting wheel (36) with direction rotates wheel (37) and rotates through fifth fixed plate (40) and install on spacing support frame (38), regulation rope (39) rolling is on rotation adjusting wheel (36), regulation rope (39) are passed through by the bottom of direction rotation wheel (37), regulation lug (42) fixed mounting is between regulation control panel (41), just regulation control panel (41) with the bottom of regulation lug (42) with the middle part fixed connection of rotation adjusting wheel (36), rotation adjusting wheel (36) with fixed mounting has spiral spring (43) between fifth fixed plate (40).
2. An automated high precision positioning and clamping system for a numerically controlled machine tool as set forth in claim 1, wherein: the upper end face of the adjusting lug (42) is in frosted surface arrangement, the upper end face of the adjusting lug (42) is in contact with the bottom end face of the sliding pressing limiting plate (35), and the bottom end of the limiting support frame (38) is fixedly connected to the processing table (2).
3. An automated high precision positioning and clamping system for a numerically controlled machine tool as recited in claim 2, wherein: the outer end of the adjusting rope (39) is fixedly connected with the adjusting control rod (23), and the clamping plate (26) is fixedly connected with the front end of the adjusting arm (20).
4. An automated high precision positioning and clamping system for a numerically controlled machine tool as set forth in claim 3, wherein: the upper portion of the limiting frame (10) is movably inserted into the limiting groove (21), a disassembling disc is fixedly mounted between one ends of the adjusting arms (20) far away from the auxiliary clamping device (18) through bolts, and a reset spring is fixedly mounted between the middle portions of the disassembling discs.
5. The automated high-precision positioning and clamping system for a numerical control machine according to claim 4, wherein: the bottom of the rotating shaft at the middle rotating joint of the adjusting arm (20) is fixedly connected with the middle of the supporting adjusting frame (11).
6. The clamping method of the automatic high-precision positioning and clamping system for the numerical control machine tool is applicable to the automatic high-precision positioning and clamping system for the numerical control machine tool, and is characterized in that: the method comprises the following specific steps:
step one: firstly, conveying and clamping a metal column (6) to the middle part of the upper end of a 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 slot hole (16) is positioned at the middle part 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, the conical extrusion adjusting column (24) moving forwards passes through the rotary extrusion wheels (19), and the conical extrusion adjusting column (24) is arranged in a conical manner, so that the conical extrusion adjusting column (24) moving forwards synchronously extrudes the rotary extrusion wheels (19), a reset spring arranged between the adjusting arms (20) is stretched by extruding the rotary 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, and 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) at the moment, so that the transverse position of the metal column (6) is limited and fixed;
step three: when the conical extrusion adjusting column (24) moves forwards, the forward moving conical extrusion adjusting column (24) removes the pulling force on the adjusting rope (39) through the adjusting control rod (23), the rotating adjusting wheel (36) rotates 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 the moment, the upper end face of the rotating adjusting lug (42) is in friction contact with the bottom end face 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 synchronously limit the positions of the two sides of the upper end of the metal column (6), and the metal column (6) cannot move and shake in the process of drilling the middle of the metal column (6);
step four: after the metal column (6) is processed, the conical extrusion adjusting column (24) and the adjusting control rod (23) are enabled to move backwards, at the moment, the adjusting rope (39) pulls the rotating adjusting wheel (36) to rotate, the rotating adjusting wheel (36) drives the adjusting control plate (41) and the adjusting protruding block (42) to rotate anticlockwise, at the moment, the adjusting groove (34) is extruded through the adjusting protruding block (42) and the adjusting control plate (41) to enable the sliding pressing limiting plate (35) to automatically slide outwards along the upper end of the limiting support frame (38) by a specified distance, the sliding pressing limiting plate (35) can not limit the two sides of the upper end of the metal column (6), at the moment, the arc-shaped auxiliary clamping frame (27) can not squeeze the clamping force to the outer wall of the metal column (6) to disappear, so that the transverse and longitudinal limiting extrusion force of the metal column (6) can be synchronously disappeared, the processed metal column (6) can be conveniently clamped and taken out, after the metal column (6) is processed, the first hydraulic cylinder (14) drives the sealing sliding plate (17) to slide outwards along the inner part of the processing table (2) by a specified distance, the inner part of the processing table (2) can not be stacked in the processing table (2) at the position of the inner part of the processing table (2) when the metal column (6) is processed, after the chips in the specified time are collected in the processing table (2), the fan (7) is started, at this time, the fan (7) blows high-pressure gas into the processing table (2), at this time, the chips can enter into the conveying hose connected to the guide and discharge pipe (9) for guiding and discharging, the screw thread adjusting column (13) is synchronously screwed and rotated so that the screw thread adjusting column (13) can be moved at the upper part of the first fixing plate (8) to adjust and control the position of the supporting adjusting frame (11), thereby adjusting the position of the rotary connection between the adjusting arms (20), further, the clamping position of the arc-shaped auxiliary clamping frames (27) in the two auxiliary clamping devices (18) can be shifted and finely adjusted, 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), as the front end of the sliding adjusting plate (32) is fixedly connected with the arc-shaped auxiliary clamping frames (27), the position of the arc-shaped auxiliary clamping frames (27) can be adjusted and controlled, and the position of the arc-shaped auxiliary clamping frames (27) can be locked and the limit inserting column (27) can be completely locked after the arc-shaped auxiliary clamping frames (27) are inserted into the specified position (27), therefore, the two regulated arc auxiliary clamping frames (27) can clamp and limit metal columns (6) with different diameters fully.
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| CN202211194378.0A CN115415825B (en) | 2022-09-28 | 2022-09-28 | Automatic high-precision positioning and clamping system and clamping method for numerical control machine tool |
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| CN202211194378.0A CN115415825B (en) | 2022-09-28 | 2022-09-28 | Automatic high-precision positioning and clamping system and clamping method for numerical control machine tool |
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| CN115415825A (en) | 2022-12-02 |
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