CN115091220A - Sliding column for numerical control machine tool - Google Patents
Sliding column for numerical control machine tool Download PDFInfo
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- CN115091220A CN115091220A CN202211016392.1A CN202211016392A CN115091220A CN 115091220 A CN115091220 A CN 115091220A CN 202211016392 A CN202211016392 A CN 202211016392A CN 115091220 A CN115091220 A CN 115091220A
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000003416 augmentation Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 abstract description 8
- 230000008602 contraction Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000012856 packing Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/017—Arrangements of ways
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention relates to the technical field of numerical control machines, in particular to a sliding column for a numerical control machine, which comprises a sliding column, a supercharging mechanism, a positioning mechanism and a traction mechanism, wherein the supercharging mechanism is arranged on the sliding column and comprises a gasket welded at the top of the sliding column and a plurality of female rods movably arranged in the gasket. The end penetrating into the rectangular cushion block is arranged at the inner end of the limiting fixture block, the arc grooves arranged outside the end at the inner end of the limiting fixture block are used for limiting and clamping two adjacent gaskets, and the two sides of the inner end of each gasket are respectively provided with a notch penetrating through the two walls of the groove at the inner end of the limiting fixture block, so that a plurality of limiting fixture blocks can be subjected to outward normal contraction and expansion along the slide way at the top end of the slide column, the structure can be accurately assembled and clamped facing the inner transverse hole of the rectangular cushion block in the slide rail, the slide column assembling process is reduced, and the axis deviation is caused due to the fact that the gap distance between the inner transverse hole of the rectangular cushion block in the slide rail and the slide column is too large.
Description
Technical Field
The invention relates to the technical field of numerical control machines, in particular to a sliding column for a numerical control machine.
Background
The slide rail of digit control machine tool is as the important component of feed system, has decisive influence to the machining precision and the bearing capacity of lathe, and different lathes have different requirements to the slide rail, and the guide rail requirement with the common machine tool is compared, and the slide rail of digit control machine tool has the low-speed and feeds not have the characteristics of crawling and the high-speed vibration of feeding.
The slide rail in the numerical control machine tool has straightness requirements on a horizontal plane and a straight line plane, in order to ensure the superior and gradual contact rate of the slide column in the slide rail and a moving part, the appearance deformation error of the slide column in the slide rail needs to be controlled, which is particularly important for the requirement of a large-scale guide rail, and when the slide column is assembled in the slide rail, the slide rail is very important for the accurate assembly of the slide rail in order to measure the parallel error between the guide rails.
According to the above description, how to solve the precise assembly of the sliding column in the slide rail of the numerical control machine tool is a technical difficulty to be solved by the invention.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows:
the utility model provides a traveller for digit control machine tool, includes traveller, booster mechanism, positioning mechanism and drive mechanism, booster mechanism installs on the traveller, including welding at the packing ring at traveller top, a plurality of female poles of movable mounting in the packing ring, be located the spring of female pole inner chamber and the flexible sub-pole of movable mounting in female pole inside, positioning mechanism is including the spacing fixture block that is located the traveller outside, movable mounting is at the guide arm of spacing fixture block inside, threaded connection is at the inside constant voltage screw rod of the screw of spacing fixture block outside, install the slider at the inboard of spacing fixture block, the gasket of movable mounting in spacing fixture block and welding at the outside two sets of fixture blocks in gasket both ends, spacing fixture block includes the base of vertical distribution, sets up the arc spout in the base and places the chute in the inner middle part of base in, drive mechanism is including installing the annular sleeve pipe, the, The gear piece is movably arranged at the inner end of the stability augmentation sliding block, and the force arm pull rod is movably connected at the outer end of the stability augmentation sliding block.
The present invention in a preferred example may be further configured to: evenly distributed and inside sunken U font notch has been seted up to the inboard of packing ring, female pole is close to the one end of packing ring and sets up the slider of T font, and the T font slider adaptation of female pole outer end runs through to the inboard U font notch of packing ring in.
Through adopting above-mentioned technical scheme, utilize and set up evenly distributed and inside sunken U font notch in the inboard of packing ring, combine the inboard U font notch of packing ring to female pole outer end T font slider horizontal spacing and restraint to this can make when spacing fixture block outwards expands can realize invariable outside expansion under the horizontal traction effect of female pole and flexible son pole.
The present invention in a preferred example may be further configured to: the end of the telescopic sub-rod, which is far away from the main rod, is provided with a cylindrical end, and the cylindrical end at the outer end of the telescopic sub-rod is matched with a circular groove hole formed in one end of the limiting clamping block.
Through adopting above-mentioned technical scheme, utilize the inner chamber at female pole to set up the spring that can vertical elasticity pressure boost, when the vertical expansion of spacing fixture block and outwards expand, flexible sub-pole received the vertical pressure boost effect of spacing fixture block this moment to this can make this mechanism face the stable of expansion or contraction state lower limit fixture block and pull.
The invention in a preferred example may be further configured to: rectangular air holes are uniformly distributed in the limiting clamping block, and an inwards-concave annular notch is formed in the outer side of the inner end of the limiting clamping block.
Through adopting above-mentioned technical scheme, utilize and set up evenly distributed's rectangle gas pocket in the inside of spacing fixture block to the circular gas pocket that combines to set up in the inside of gasket is facing to the heat dissipation that rectangle cushion pressure boost transmission in the slide rail and, with this can make the accurate assembly between rectangle cushion and the traveller in the slide rail.
The present invention in a preferred example may be further configured to: the guide rod is formed by combining a conical vertical rod and a roller movably arranged at the outer end of the conical vertical rod, and one end of the conical vertical rod, which is far away from the roller, is provided with a hemispherical end.
By adopting the technical scheme, the guide rod is set to be a conical mechanism, and the roller which is used for being attached and pressed on the inner end of the rectangular cushion block is movably arranged in the groove at the outer end of the guide rod, so that the structure can be driven by small friction force facing to the inner end of the rectangular cushion block.
The present invention in a preferred example may be further configured to: the slider wholly is L shape mechanism, the slide that the ring shape distributes is seted up in the outside on traveller top, and the convex slide of slider adaptation outside the traveller.
By adopting the technical scheme, the slide ways distributed in a circular ring shape are arranged on the outer side of the top end of the slide column, and the slide ways on the top of the slide column are combined to vertically guide and restrain the slide blocks, so that the plurality of limiting fixture blocks and the slide blocks arranged on the inner side of the limiting fixture blocks can be effectively matched with the slide blocks arranged on the outer side of the slide column.
The present invention in a preferred example may be further configured to: the gasket is of an arc-shaped structure, and circular air holes which are densely distributed are formed in the gasket.
Through adopting above-mentioned technical scheme, utilize and set up evenly distributed's circular gas pocket in the inside of gasket to combine the inside rectangle gas pocket of seting up of spacing fixture block to each parts dual heat dissipation of heat energy after the operation, with this can avoid each parts to produce a large amount of heat energy because of the contact, and then lead to the inside cross bore of rectangle cushion to cause deformation.
The present invention in a preferred example may be further configured to: the annular sleeve is internally provided with arc-shaped slotted holes which are distributed circumferentially, the middle parts of the inner walls of the arc-shaped slotted holes are provided with transverse grooves matched with the racks, one end of the force arm pull rod is provided with a transverse rod which is transversely arranged, and the other end of the force arm pull rod is provided with an oval clamping block.
By adopting the technical scheme, the arc-shaped slotted hole formed in the annular sleeve is utilized, the rack used for meshing the transmission gear piece is arranged on the inner wall of the arc-shaped slotted hole, the stability augmentation sliding block is integrally set to be in a load bearing state, and the stretched limiting clamping block is expanded to obtain stable constraint.
By adopting the technical scheme, the invention has the beneficial effects that:
1. according to the method for assembling the slide rail in the numerical control machine tool, a plurality of circumferentially distributed limiting fixture blocks are movably assembled in the circularly distributed slide way at the top end of the slide column, the inner ends of the limiting fixture blocks are provided with ends penetrating into the rectangular cushion blocks, the limiting fixture blocks are combined with the arc grooves formed outside the ends of the inner ends of the limiting fixture blocks to limit and clamp two adjacent gaskets, and the two sides of the inner ends of the gaskets are respectively provided with notches penetrating through the two walls of the grooves at the inner ends of the limiting fixture blocks, so that the limiting fixture blocks can normally contract and expand outwards along the slide way at the top end of the slide column, the structure can accurately assemble and clamp transverse holes in the rectangular cushion blocks in the slide rail, and the axis deviation caused by overlarge gap distance between the transverse holes in the rectangular cushion blocks in the slide rail and the slide column in the slide rail is reduced.
2. The heat dissipation air holes which are uniformly distributed are formed in the limiting clamping block, the guide rod which can extend outwards is movably installed in the transverse hole in the limiting clamping block, the constant-pressure screw rod which is driven inwards in a progressive mode is connected in the limiting clamping block in a threaded mode, the roller which is used for being attached to the inner end of the rectangular cushion block is movably installed at the outer end of the guide rod, the telescopic sub-rod which can be fixed in an elastic pressurizing mode is installed at the inner end of the limiting clamping block in a combined mode, the main rod which can extend along the inner side notch of the gasket and the spring in the main rod are used for pushing the telescopic sub-rod in an elastic pressurizing mode, and therefore the plurality of limiting clamping blocks which are distributed circumferentially can be matched and assembled with the transverse holes in the middles of the rectangular cushion blocks in sliding rails of different specifications in an adaptive mode.
3. The chute for drawing and restraining the force arm pull rod is arranged in the middle of the inner end of the limiting fixture block, the fan-shaped groove for guiding the force arm pull rod to eccentrically turn is arranged at the inner end of the stability-increasing slide block, the gear piece meshed with the gear opening on the inner side of the transmission rack is movably arranged at one end, penetrating through the annular sleeve inner cavity, of the stability-increasing slide block, and meanwhile, the dual matching of the air hole formed in the gasket and the heat dissipation air hole in the limiting fixture block inner cavity is utilized, so that the assembled sliding column and the rectangular cushion block in the sliding rail can be assembled until the sliding column and the rectangular cushion block in the sliding rail are rapidly dissipated heat after being used.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention;
FIG. 2 is a schematic bottom view of one embodiment of the present invention;
FIG. 3 is a schematic view of a partial dispersion of one embodiment of the present invention;
FIG. 4 is a schematic diagram of the dispersion and partial cross-section of FIG. 3 according to one embodiment of the present invention;
FIG. 5 is a partial schematic view of the embodiment of FIG. 2;
FIG. 6 is a partial cross-sectional view of the embodiment of FIG. 5;
FIG. 7 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 6;
FIG. 8 is a schematic diagram of the internal dispersion of FIG. 5 according to one embodiment of the present invention;
FIG. 9 is an enlarged view of the embodiment of the present invention shown in FIG. 8 at B;
FIG. 10 is a partial bottom view of the embodiment of FIG. 8.
Reference numerals:
100. a traveler;
200. a pressurization mechanism; 210. a gasket; 220. a female rod; 230. a spring; 240. a telescopic sub-rod;
300. a positioning mechanism; 310. a limiting clamping block; 311. a base; 312. an arc-shaped chute; 313. a chute; 320. a guide bar; 330. a constant pressure screw; 340. a slider; 350. a gasket; 360. a clamping block;
400. a traction mechanism; 410. an annular sleeve; 420. a rack; 430. a stability augmentation sliding block; 440. a gear member; 450. a tension arm pull rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
The following describes a sliding column for a numerical control machine tool provided by some embodiments of the present invention with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 to 10, the spool for a numerically controlled machine tool according to the present invention includes a spool 100, a pressurization mechanism 200, a positioning mechanism 300, and a traction mechanism 400, wherein the pressurization mechanism 200 is mounted on the spool 100, the positioning mechanism 300 is movably mounted outside the spool 100, and the traction mechanism 400 is mounted on the spool 100.
The pressurizing mechanism 200 comprises a gasket 210, a female rod 220, a spring 230 and a telescopic sub-rod 240, the positioning mechanism 300 comprises a limiting fixture block 310, a guide rod 320, a constant pressure screw 330, a slider 340, a gasket 350 and a fixture block 360, the limiting fixture block 310 further comprises a base 311, an arc-shaped sliding groove 312 and a chute 313, and the traction mechanism 400 comprises an annular sleeve 410, a rack 420, a stability-increasing slider 430, a gear piece 440 and a moment arm pull rod 450.
Specifically, the gasket 210 is welded on the top of the sliding column 100, the plurality of female rods 220 are movably installed in the gasket 210, the spring 230 is located in an inner cavity of the female rod 220, the telescopic sub-rod 240 is movably assembled inside the female rod 220, the limiting clamping block 310 is located outside the sliding column 100, the guide rod 320 is movably installed inside the limiting clamping block 310, the constant pressure screw 330 is in threaded connection with the inside of a threaded hole on the outer side of the limiting clamping block 310, the slider 340 is installed inside the limiting clamping block 310, the gasket 350 is movably assembled at the inner end of the limiting clamping block 310, the two sets of clamping blocks 360 are welded at the outer parts of both ends of the gasket 350, the arc-shaped sliding groove 312 is opened in the base 311, the inclined groove 313 is arranged in the middle of the inner end of the base 311, the annular sleeve 410 is installed on the sliding column 100, the rack 420 is connected inside the annular sleeve 410, the stability-increasing slider 430 is movably assembled in an annular groove inside the annular sleeve 410, the gear piece 440 is movably installed at the inner end of the stability-increasing slider 430, the arm pull rod 450 is movably connected at the outer end of the stability augmentation slide block 430.
The inner end of the stability-enhancing slide block 430 is provided with a fan-shaped groove for guiding the force arm pull rod 450 to eccentrically turn, one end of the stability-enhancing slide block 430 penetrating to the inner cavity of the annular sleeve 410 is movably provided with a gear piece 440 engaged with the tooth mouth at the inner side of the transmission rack 420, the air hole formed inside the gasket 350 is used for double matching with the heat dissipation air hole of the inner cavity of the limit fixture block 310, the inner part of the limit fixture block 310 is in threaded connection with a constant pressure screw 330 which is progressively transmitted inwards, the outer end of the guide rod 320 is movably provided with a roller for jointing the inner end of the rectangular cushion block, the inner end of the limit fixture block 310 is provided with a telescopic sub-rod 240 which can be elastically pressurized and fixed, the female rod 220 which can be stretched along the inner side notch of the gasket 210 and the inner spring 230 are used for elastically pressurizing and pushing the telescopic sub-rod 240, the inner end of the limit fixture block 310 is provided with the end penetrating to the inner end of the rectangular cushion block, and the arc groove formed outside the end of the limit fixture block 310 is used for limiting and clamping two adjacent gaskets 350, meanwhile, notches penetrating through the two walls of the grooves in the inner ends of the limiting fixture blocks 310 are respectively formed in the two sides of the inner ends of the gaskets 350, so that the limiting fixture blocks 310 can be normally contracted and expanded outwards along the slide way at the top end of the slide column 100, the structure can be accurately assembled and clamped opposite to the transverse holes in the rectangular cushion blocks in the slide rail, and axial center deviation caused by overlarge gap distance between the transverse holes in the rectangular cushion blocks in the slide rail and the slide column in the slide rail assembling process can be reduced.
Example two:
as shown in fig. 4, on the basis of the first embodiment, the inner side of the gasket 210 is provided with U-shaped notches which are uniformly distributed and are recessed inwards, one end of the female rod 220 close to the gasket 210 is provided with a T-shaped slider, the T-shaped slider at the outer end of the female rod 220 is adapted to penetrate through the U-shaped notch at the inner side of the gasket 210, one end of the telescopic secondary rod 240 far away from the female rod 220 is provided with a cylindrical end, and the cylindrical end at the outer end of the telescopic secondary rod 240 is adapted to the circular groove hole formed at one end of the limiting fixture block 310.
Utilize and offer evenly distributed and inside sunken U font notch in the inboard of packing ring 210, combine horizontal spacing and the restraint of packing ring 210 inboard U font notch to female pole 220 outer end T font slider, so as to can realize invariable outside expansion under female pole 220 and flexible sub-pole 240's horizontal traction effect when making spacing fixture block 310 outwards expand, and set up spring 230 that can vertical elasticity pressure boost in the inner chamber of female pole 220, when vertical expansion of spacing fixture block 310 and outwards expansion, flexible sub-pole 240 receives spacing fixture block 310's vertical pressurization effect this moment, so as to make this mechanism face the stable of extension or the contraction state under spacing fixture block 310 pull.
Example three:
with reference to fig. 8 to 10, on the basis of the first embodiment, rectangular air holes are uniformly distributed in the limiting fixture block 310, an inward recessed annular notch is formed in the outer side of the inner end of the limiting fixture block 310, the guide rod 320 is formed by combining a conical vertical rod and a roller movably mounted at the outer end of the conical vertical rod, a hemispherical end is formed at one end of the conical vertical rod away from the roller, the slider 340 is integrally an L-shaped mechanism, slides are distributed in an annular shape are formed in the outer side of the top end of the slide column 100, the slider 340 is adapted to arc-shaped slides outside the slide column 100, the gasket 350 is an arc-shaped structure, and circular air holes are densely distributed in the gasket 350.
The round air holes formed in the combination gaskets 350 face the rectangular cushion blocks in the sliding rails for pressurization transmission and heat dissipation, idler wheels which are used for being attached and pressed on the inner ends of the rectangular cushion blocks are movably mounted in grooves at the outer ends of the round air holes, vertical guide and restraint of the sliding blocks 340 by the aid of the top sliding ways of the sliding columns 100 are combined, double heat dissipation of heat energy of the rectangular air holes formed in the limiting fixture blocks 310 after operation of each part is combined, accordingly, the fact that each part generates a large amount of heat energy due to contact can be avoided, deformation of transverse holes in the rectangular cushion blocks can be caused, accurate assembly between the rectangular cushion blocks and the sliding columns in the sliding rails can be achieved, the structure can face small friction force transmission at the inner ends of the rectangular cushion blocks, and the limiting fixture blocks 310 and the sliding blocks 340 mounted on the inner sides of the limiting fixture blocks can effectively adapt to the outer sliding ways of the sliding columns 100.
Example four:
referring to fig. 6 and 7, in the first embodiment, an arc-shaped slot hole is formed in the annular sleeve 410, the middle of the inner wall of the arc-shaped slot hole is provided with a transverse groove adapted to the rack 420, one end of the force arm pull rod 450 is provided with a transverse cross rod, and the other end of the force arm pull rod 450 is provided with an elliptical clamping block.
The inner wall of the arc-shaped slot hole is provided with a rack 420 for meshing with the transmission gear piece 440, and the stability augmentation slide block 430 is set to be in a load bearing state, so that the stretched limiting fixture block 310 can be stably restrained after being expanded.
The working principle and the using process of the invention are as follows: an operator needs to retract a plurality of limiting fixture blocks 310 distributed in a circular ring shape inwards along a plurality of slideways distributed in a circumferential manner at the top end of the sliding column 100 in advance, at the moment, the plurality of limiting fixture blocks 310 distributed in a circular ring shape can drive a plurality of gaskets 350 to perform limiting contraction, at the moment, the plurality of limiting fixture blocks 310 and the gaskets 350 movably assembled outside the limiting fixture blocks 310 can contract in a coordinated manner, at the moment, the plurality of limiting fixture blocks 310 and the gaskets 350 in a contracted state can be integrally matched and penetrated along transverse holes in rectangular gaskets in a machine tool sliding table, when the outer walls of the plurality of gaskets 350 are attached to the transverse holes in the rectangular gaskets, at the moment, the operator needs to control the plurality of limiting fixture blocks 310 to stretch and expand downwards along the slideways at the top of the sliding column 100 and receive the limiting guiding effect of the slideways at the top of the sliding column 100, and the plurality of limiting fixture blocks 310 expanded outwards and the top ends thereof can drive the gaskets 350 to expand outwards and circumferentially, until the outer walls of the spacers 350 are pressed and attached outwards against the transverse holes in the rectangular cushion blocks in the sliding table, the inclined slope surfaces in the middle of the outer sides of the limiting fixture blocks 310 are pressed and constrained outwards against the inner ends of the rectangular cushion blocks, when the limiting fixture blocks 310 are expanded to fit the transverse holes in the rectangular cushion blocks, an operator needs to assemble and clamp the sliding column 100 and the positioning mechanism 300 on two sides of the rectangular cushion blocks in the sliding table by using an external positioning shell, then the constant pressure screw 330 is rotated clockwise by using a plum blossom screwdriver, the circular truncated cone-shaped end of the inner end of the constant pressure screw 330 is contracted inwards along the concave hole in the limiting fixture block 310, and the longitudinal pressing and progressive transmission of the circular truncated cone-shaped end of the inner end of the constant pressure screw 330 to the cylindrical end of the inner end of the guide rod 320 is combined, so that the outer end of the guide rod 320 and the rollers movably mounted at the outer end of the guide rod can be pressed and attached to the inner ends of the rectangular cushion blocks to reduce the friction force, meanwhile, the telescopic sub-rod 240 connected with the outer end of the limiting fixture block 310 is matched, the spring 230 and the female rod 220 are matched to realize accurate transverse positioning under the limiting and guiding effects of the inner side notch of the gasket 210, and the other end of the limiting fixture block 310 is connected with a traction mechanism 400 mechanism capable of micro-adjusting traction, so that the rectangular cushion block in the numerical control machine tool can be used for assembling the integral accurate axis of the sliding column 100.
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.
Claims (9)
1. The sliding column for the numerical control machine tool is characterized by comprising a sliding column (100), a pressurization mechanism (200), a positioning mechanism (300) and a traction mechanism (400);
the booster mechanism (200) is arranged on the sliding column (100) and comprises a gasket (210) welded on the top of the sliding column (100), a plurality of female rods (220) movably arranged in the gasket (210), a spring (230) positioned in an inner cavity of the female rods (220) and a telescopic sub-rod (240) movably assembled in the female rods (220);
the positioning mechanism (300) is movably arranged outside the sliding column (100) and comprises a limiting clamping block (310) positioned outside the sliding column (100), a guide rod (320) movably arranged inside the limiting clamping block (310), a constant pressure screw (330) in threaded connection with a screw hole on the outer side of the limiting clamping block (310), a sliding block (340) arranged inside the limiting clamping block (310), a gasket (350) movably assembled at the inner end of the limiting clamping block (310) and two groups of clamping blocks (360) welded at the outer parts of two ends of the gasket (350);
the limiting fixture block (310) comprises a base (311) which is vertically distributed, an arc-shaped sliding groove (312) which is formed in the base (311) and an inclined groove (313) which is arranged in the middle of the inner end of the base (311);
the traction mechanism (400) is arranged at the top of the sliding column (100) and comprises an annular sleeve (410) arranged on the sliding column (100), a rack (420) connected inside the annular sleeve (410), a stability augmentation sliding block (430) movably assembled in a ring groove inside the annular sleeve (410), a gear piece (440) movably arranged at the inner end of the stability augmentation sliding block (430) and a force arm pull rod (450) movably connected at the outer end of the stability augmentation sliding block (430).
2. The slide column for the numerical control machine tool as claimed in claim 1, wherein the inside of the washer (210) is provided with U-shaped notches which are uniformly distributed and are inwardly recessed, one end of the female rod (220) close to the washer (210) is provided with a T-shaped slider, and the T-shaped slider at the outer end of the female rod (220) is adapted to penetrate through the U-shaped notches at the inside of the washer (210).
3. The sliding column for the numerical control machine tool according to claim 1, wherein a cylindrical end is provided at one end of the telescopic sub-rod (240) far away from the female rod (220), and the cylindrical end at the outer end of the telescopic sub-rod (240) is adapted to a circular slot provided at one end of the limiting fixture block (310).
4. The slide column for the numerical control machine tool according to claim 1, wherein the inside of the limiting fixture block (310) is provided with rectangular air holes which are uniformly distributed, and the outside of the inner end of the limiting fixture block (310) is provided with an annular notch which is recessed inwards.
5. The slide column for the numerical control machine tool as claimed in claim 1, wherein the guide rod (320) is formed by combining a conical vertical rod and a roller movably mounted at the outer end of the conical vertical rod, and a hemispherical end is opened at one end of the conical vertical rod far away from the roller.
6. The sliding column for the numerical control machine tool according to claim 1, wherein the sliding block (340) is integrally an L-shaped mechanism, the outer side of the top end of the sliding column (100) is provided with a sliding way distributed in a circular ring shape, and the sliding block (340) is adapted to the circular arc-shaped sliding way outside the sliding column (100).
7. The sliding column for the numerical control machine tool according to claim 1, wherein the gasket (350) is in a circular arc structure, and circular air holes are densely distributed in the gasket (350).
8. The sliding column for the numerical control machine tool according to claim 1, wherein the annular sleeve (410) is provided with arc-shaped slots distributed circumferentially therein, and the middle of the inner wall of the arc-shaped slot is provided with a transverse groove adapted to the rack (420).
9. The slide column for the numerical control machine tool as claimed in claim 1, wherein a transverse cross bar is installed at one end of the force arm pull rod (450), and an oval fixture block is installed at the other end of the force arm pull rod (450).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211016392.1A CN115091220A (en) | 2022-08-24 | 2022-08-24 | Sliding column for numerical control machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211016392.1A CN115091220A (en) | 2022-08-24 | 2022-08-24 | Sliding column for numerical control machine tool |
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| CN115091220A true CN115091220A (en) | 2022-09-23 |
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| CN202211016392.1A Pending CN115091220A (en) | 2022-08-24 | 2022-08-24 | Sliding column for numerical control machine tool |
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Application publication date: 20220923 |