CN112809390A - Numerical control intelligent cutting machine tool with automatic length fixing function of steel shaft - Google Patents
Numerical control intelligent cutting machine tool with automatic length fixing function of steel shaft Download PDFInfo
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- CN112809390A CN112809390A CN202011619339.1A CN202011619339A CN112809390A CN 112809390 A CN112809390 A CN 112809390A CN 202011619339 A CN202011619339 A CN 202011619339A CN 112809390 A CN112809390 A CN 112809390A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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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
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
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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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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Abstract
The invention discloses a numerical control intelligent cutting machine tool with an automatic steel shaft length fixing function, which relates to the technical field of steel shaft processing and comprises a feeding box, a clamping support bracket and a cutting machine tool, wherein the feeding box is arranged horizontally, the feeding box is horizontally arranged on the right side of the clamping support bracket, the clamping support bracket and the feeding box are connected into a whole, the cutting machine tool is arranged in the middle of the clamping support bracket, and the cutting machine tool is used for cutting a steel shaft at a fixed length; the top end of the feeding box is provided with a V-shaped groove with a V-shaped structure, a steel shaft is placed in the V-shaped groove, a plurality of rotating rollers are arranged on the inner wall of the V-shaped groove at equal intervals, and each axis is parallel to the front side wall of the feeding box; according to the invention, the steel shaft is pushed leftwards by the right-side pushing frame to move leftwards, so that the steel shaft can continuously feed to the left-side cutting machine tool, and the cutting machine tool can carry out fixed-length processing on the steel shaft by controlling the distance between the clamping support bracket and the feeding box.
Description
Technical Field
The invention relates to the technical field of steel shaft machining, in particular to a numerical control intelligent cutting machine tool with an automatic length fixing function of a steel shaft.
Background
Machine tools are machines for manufacturing machines, also called machine tools or machine tools, and are conventionally called machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization.
The steel shaft is a round rod-shaped metal straight rod and has two types of solid structures and hollow structures, the steel shaft with a hollow structure in the existing market is hollow, the inside of the steel shaft is hollow, the thickness of the cross section of the steel shaft is only about 3 mm, the steel shaft needs to be cut off in the existing steel shaft during actual production, the existing steel shaft is cut off, manual operation is mainly adopted, the length is measured by using a size, lines are drawn on the surface of the steel shaft, and then the steel shaft is cut off, the operation mode has the defects of low cutting speed and low cutting efficiency, the cutting accuracy of the length of the steel shaft is difficult to ensure, for partial structures, the long end of the steel shaft needs to be molded during the cutting process, so that the two ends of the steel shaft after fixed length cutting have certain special-shaped profile structures, the existing steel shaft needs to be polished and molded and cut after the fixed length cutting is finished, time and labor are wasted, and is difficult to mass produce.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a numerical control intelligent cutting machine tool with an automatic steel shaft length fixing function, and the technical problems that the existing operation mode that the cutting speed is low, the cutting efficiency is low, the accuracy of the steel shaft length cutting is difficult to guarantee, the long end of the steel shaft needs to be formed and processed in the cutting process for a part of structure, the two ends of the steel shaft after fixed length cutting have a certain special-shaped outline structure, the existing operation mode needs to grind, form and cut the two ends of the steel shaft after fixed length cutting, time and labor are wasted, and batch production is difficult to achieve are solved.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a numerical control intelligent cutting machine tool with an automatic steel shaft length fixing function comprises a feeding box, a clamping support bracket and a cutting machine tool, wherein the feeding box is arranged horizontally, the feeding box is horizontally arranged on the right side of the clamping support bracket, the clamping support bracket and the feeding box are connected into a whole, the cutting machine tool is arranged in the middle of the clamping support bracket, and the cutting machine tool is used for cutting a steel shaft in a fixed length manner;
the top end of the feeding box is provided with a V-shaped groove with a V-shaped structure, a steel shaft is placed in the V-shaped groove, a plurality of rotating rollers are arranged on the inner wall of the V-shaped groove at equal intervals, and each axis is parallel to the front side wall of the feeding box;
the feeding device comprises a feeding box, a bearing, a first servo motor, a second servo motor, a sliding frame, a pushing frame and a pushing frame, wherein the feeding box is provided with a chute on the front side wall, the inner wall of the chute is provided with threaded lead screws at equal intervals, the inner wall of the chute is provided with the threaded lead screws through the bearing, one end of the threaded lead screw is fixedly provided with the first servo motor, the output shaft of the first servo motor is fixedly connected with one end of the threaded lead screw, the outer circular surface of the threaded lead screw is connected with a movable nut through threads, the top end of the movable;
the clamping support bracket comprises a rack base fixedly arranged at the bottom of the left side of the feeding box, a support rib plate standing upright at the top end of the rack base is arranged in the middle of the top end of the rack base in a sliding fit mode, a rotary gear is rotatably connected to the middle of the left side of the support rib plate, a through slide hole is formed in the middle of the rotary gear, a push rod shaft is connected in the slide hole in the middle of the rotary gear in a sliding manner, the right end of the push rod shaft penetrates through the slide hole in the middle of the rotary gear to extend out to the right side of the support rib plate, and an inner support cylinder is;
a second electric push rod is fixedly arranged on the left side of the support rib plate, a push rod extends out of the right side of the second electric push rod, and the top end of the push rod of the second electric push rod is rotatably connected with the push rod shaft;
a first electric push rod is fixedly arranged on the left side of the support rib plate and positioned at the top end of the base of the rack, a push rod extends rightwards, and the top end of the push rod of the first electric push rod is fixedly arranged in the middle of the support rib plate;
the utility model discloses a cutting machine, including frame base, support rib plate, cutting machine, frame base, support rib plate, cutting machine, frame base top has set firmly the cutting machine who stands vertically in frame base top, cutting machine set up in the rear side of support rib plate, the round hole that link up is seted up at the cutting machine middle part, cutting machine's rear side fixed mounting has third electric putter, third electric putter stretches out forward has the output shaft, third electric putter's output shaft pass cutting machine's round hole to cutting machine's front side stretches out, stretches out in the cutting machine front side third electric putter's output shaft top rotates and is connected with discoid swivel flange, the disc outside the swivel flange is provided with the different in nature tooth of different in nature structure.
As a preferred technical scheme of the invention, a second synchronous sprocket is rotatably connected to the left side of the cutting machine, a rotating shaft is arranged in the middle of the second synchronous sprocket, the rotating shaft is parallel to the axis of the rotating gear, gear teeth are arranged on the outer circular surface of the left end of the rotating shaft, the width of the gear teeth is at least slightly greater than 5 centimeters of the maximum value of the extension length of the push rod of the first electric push rod, a first driving sprocket is fixedly arranged on the left side of the rotating flange, and a synchronous chain is meshed and connected between the first driving sprocket and the second synchronous sprocket;
the left side of the support rib plate is rotatably connected with a transmission gear, the transmission gear is meshed with the outer circular surface of the rotary gear, and the transmission gear is meshed with the gear teeth at the left end of the rotary shaft.
As a preferred technical scheme of the invention, the push rod shaft comprises a supporting roller, a abdicating groove and an air bag; the novel push rod shaft structure is characterized in that an air passage is arranged inside the push rod shaft, the inner supporting barrel is of a circular ring structure and is made of rubber materials, an air bag is arranged on an inner ring of the inner supporting barrel and communicated with the air passage inside the push rod shaft, a abdicating groove is formed in the outer circular surface of the inner supporting barrel and is a groove of a Z-shaped structure.
As a preferred technical scheme of the invention, the inner support cylinder further comprises a lifting chute, a lifting slider and roller grooves, wherein a plurality of roller grooves are symmetrically formed in the outer circumferential surface of the inner support cylinder along the left side and the right side of the abdicating groove, each support roller is embedded into the corresponding roller groove, the lifting chute is symmetrically formed in the left side wall and the right side wall of each roller groove, the lifting slider is rotatably connected to the left end and the right end of each support roller, the lifting slider at the two ends of each support roller is installed in the lifting chute at the two sides of the roller groove in a sliding fit manner, and a pressure spring is arranged at the bottom end of the lifting slider installed in the lifting chute.
As a preferred technical scheme of the invention, the abdicating groove comprises a second sliding groove, a second clamping spring and a second clamping block, the second sliding groove is symmetrically arranged on the left side and the right side of the abdicating groove, the second sliding groove on each side is embedded in the second clamping block in a sliding fit manner, the second clamping spring is arranged at equal intervals on the top end of the second clamping block on each side embedded in the second sliding groove, the second clamping blocks on both sides are close to the top surface of the abdicating groove in the abdicating groove, and the second clamping blocks on both sides are elastically clamped towards the middle part of the abdicating groove through the second clamping springs.
As a preferable technical solution of the present invention, the second clamping block includes a scrap shoveling blade and a guiding inclined surface, the scrap shoveling blade is disposed at a top end of the second clamping block on each side, the scrap shoveling blade is a V-shaped blade, a top surface of the scrap shoveling blade is a plane, the guiding inclined surface is disposed on a side wall of the second clamping block extending into the abdicating groove, the guiding inclined surface is an inclined surface with a top end approaching to an inner wall of the abdicating groove, and a bottom end of the guiding inclined surface extends out of the scrap shoveling blade.
As a preferable technical scheme of the invention, the right side of the rotating gear is provided with a formed rubber pad, and the formed rubber pad is attached to the contour structure of the top end of the steel shaft.
As a preferred technical scheme, the cutting support bracket comprises an arc support bracket and rotary rollers, wherein the top end of the cutting support bracket is provided with the arc support bracket with an arc groove structure, and the bottom surface of the inner wall of the arc support bracket is provided with a plurality of rotary rollers with cylindrical structures at equal intervals.
As a preferred technical scheme of the invention, the V-shaped groove comprises a plurality of roller grooves formed at equal intervals at the top end of the inner wall of the V-shaped groove, a rotating roller is embedded in each roller groove, two ends of each rotating roller are rotatably connected with a sliding block, first slide ways are symmetrically formed on the left side and the right side of the inner wall of each roller groove, the sliding blocks at two ends of each rotating roller are installed in the first slide ways on two sides of each roller groove in a sliding fit manner, and a first pressure spring is fixedly arranged at the bottom end of each sliding block installed in each first slide way.
As a preferable technical solution of the present invention, a right armrest and a left armrest are provided on the front side of the cutting machine, the right armrest is provided on the right side of the rotating flange, and the left armrest is provided on the left side of the rotating flange.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the numerical control intelligent cutting machine tool, the feeding box is arranged to be horizontal, a steel shaft is convenient to place, the top end of the feeding box is provided with the V-shaped groove, the steel shaft is convenient to position, the installation efficiency of the steel shaft is improved, the steel shaft is placed in the V-shaped groove, the pushing frame is driven by the first servo motor to slide left and right in the V-shaped groove, the steel shaft placed in the V-shaped groove is pushed, the steel shaft slides in the V-shaped groove, the steel shaft is pushed to left through the pushing frame on the right side to move left, the steel shaft can continuously feed to a left cutting machine tool, and the cutting machine tool can perform fixed length machining on the steel shaft by controlling the distance between the clamping bearing bracket and the feeding box.
The support rib plate is pushed to slide back and forth at the top end of the base of the rack through the second electric push rod, so that the distance between the right side wall of the support rib plate and the rotary flange is controlled, the steel shaft is pushed to move left through the pushing frame, the left side of the steel shaft is abutted to the right end of the support rib plate, the rotary flange is abutted to the surface of the steel shaft, the surface of the steel shaft is subjected to gate cutting through the anisotropic teeth on the outer circular surface of the rotary flange, and the steel shaft is subjected to special-shaped cutting through the rotation of the rotary flange in cooperation with the synchronous rotation of the steel shaft, so that the two ends of the cut and formed steel shaft.
Thirdly, the inner supporting cylinder extends into the inner wall of the steel shaft, when the rotary flange cuts the steel shaft from the outer circular surface of the steel shaft, the inner supporting cylinder supports the inner wall of the steel shaft, so that when the special-shaped teeth on the outer circular surface of the rotary flange cut the steel shaft, the steel shaft bends inwards when the surface of the steel shaft bears the cutting of the special-shaped teeth, and the inner supporting cylinder supports the inner wall of the steel shaft, thereby effectively improving the deformation of the steel shaft in the cutting process, effectively improving the cutting accuracy, reducing the deformation of the steel shaft after cutting, enabling the special-shaped teeth to extend into the abdicating groove when the special-shaped teeth cut the steel shaft through the abdicating groove, being beneficial to more thoroughly cutting the steel shaft by the special-shaped teeth, avoiding the direct contact of the top ends of the special-shaped teeth through the abdicating groove, and effectively protecting the top ends of the special-shaped teeth, when the deformed tooth is cut, the inner wall of the steel shaft is supported by the two sides of the abdicating groove, so that the structural strength of the steel shaft in the cutting process can be effectively improved, the deformation of the steel shaft caused by uneven stress in the cutting process is reduced, and the cutting precision in the cutting process of the deformed tooth is improved.
The elastically telescopic second clamping blocks are symmetrically arranged on the two sides of the abdicating groove, and the inner wall of the steel shaft is supported by the second clamping blocks on the two sides of the abdicating groove, so that the second clamping blocks are more effectively close to the support of the cutting position of the steel shaft when the deformed tooth is cut, the support area of the cutting position of the steel shaft is effectively increased, the deformation of the steel shaft caused by uneven stress due to extrusion cutting by the deformed tooth in the cutting process is effectively reduced, the cutting accuracy of the steel shaft is effectively improved, the second clamping blocks on the two sides extend out of the scrap removing blade through the bottom end of the guide inclined plane, so that when the deformed tooth is cut into the inner wall of the steel shaft, the deformed tooth pushes the second clamping blocks on the two sides to abdicating groove through the guide inclined plane, and further, the second clamping blocks on the two sides can effectively support the top end of the steel shaft when the deformed tooth is cut into the steel shaft, reduce the deformation that produces in the steel axle cutting process effectively, the tight piece of the second clamp of both sides passes through the shovel bits sword on top, make the deformed tooth after the steel axle has been cut, the steel axle is because of the cutting process, the burr of the inside turn-ups of steel axle topside is shoveled the burr of steel axle inner wall through the shovel bits sword on the tight piece of the second clamp of both sides, reduce the burr that the steel axle produced in the cutting process, improve the steel axle inner wall smoothness after the shaping, be favorable to improving the installation fastness of steel axle in the installation.
Fifth, the invention drives the rotation gear to rotate through the second servo motor, the rotation flange and the rotation gear are synchronously engaged and rotated through the engagement transmission of the rotation shaft and the synchronous chain, the forming rubber pad on the right side of the supporting rib plate is pushed to be attached to the outline structure of the top end of the steel shaft in the rotation process of the rotation gear, the steel shaft and the rotation flange are synchronously matched and rotated in the cutting process of the steel shaft, the steel shaft is cut and formed through the deformed teeth by utilizing the profiling method, the top end of the formed steel shaft obtains the required outline structure, the distance between the supporting rib plate and the rotation flange is matched through the pushing of the pushing and moving frame, the contact between the rotation flange and the surface of the steel shaft is controlled through the second electric push rod, the automatic fixed length cutting of the steel shaft is realized, the production efficiency is improved, the steel shaft is cut through the deformed teeth by utilizing the profiling method, the steel shaft can be quickly cut off in the cutting, and the top end of the steel shaft can be subjected to forming processing, the production process of forming the top end of the steel shaft is reduced, and the mounting firmness of the steel shaft is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a front view structure of a numerical control intelligent cutting machine tool with an automatic length fixing function for a steel shaft according to the invention;
FIG. 2 is a left side view of the second timing sprocket and the first driving sprocket of the present invention;
FIG. 3 is a schematic view of the left side of the support rib of the present invention;
FIG. 4 is a schematic diagram of a right side view of a steel shaft of the present invention placed on a supply box;
FIG. 5 is a schematic cross-sectional view of the inner support tube of the present invention extending into the inner wall of the steel shaft for support;
FIG. 6 is a schematic cross-sectional view of the inner support cylinder on the inner wall of the steel shaft according to the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 taken at A in the present specification;
FIG. 8 is a schematic cross-sectional view of the cutting steel shaft with different tooth of the present invention extending into the abdicating groove;
FIG. 9 is an enlarged view of a portion of FIG. 8 taken at B in the present specification;
FIG. 10 is a schematic structural view of the steel shaft after cutting and forming;
in the figure: the feeding box 1, the sliding rack 101, the pushing rack 102, the movable nut 103, the threaded screw rod 104, the sliding chute 105, the first servo motor 106, the rotating roller 107, the sliding block 108, the first pressure spring 109, the first slideway 110, the V-shaped groove 111, the clamping support bracket 2, the transmission gear 202, the first electric push rod 203, the cutting support bracket 204, the arc-shaped support groove 2042, the rotating roller 2043, the rack base 205, the push rod rack 206, the rotating gear 207, the second electric push rod 208, the support rib plate 209, the second servo motor 210, the drive gear 212, the push rod shaft 213, the inner support barrel 214, the support roller 215, the abdicating groove 216, the molded rubber pad 217, the air bag 218, the lifting sliding chute 219, the lifting sliding block 220, the roller groove 221, the rotating flange 301, the opposite tooth 302, the first drive sprocket 303, the synchronous chain 304, the second synchronous sprocket 305, the third electric push rod 306, the tensioning wheel 307, the, Right armrest 309, left armrest 310.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Example 1
Please refer to fig. 1-10, which are schematic diagrams of an overall structure of a numerical control intelligent cutting machine with automatic length fixing function for steel shaft,
a numerical control intelligent cutting machine tool with an automatic steel shaft length fixing function comprises a feeding box 1, a clamping support bracket 2 and a cutting machine tool 3, wherein the feeding box 1 is arranged in a horizontal mode, the feeding box 1 is horizontally arranged on the right side of the clamping support bracket 2, the clamping support bracket 2 and the feeding box 1 are connected into a whole, the cutting machine tool 3 is arranged in the middle of the clamping support bracket 2, and the cutting machine tool 3 is used for cutting a steel shaft in a fixed length mode;
the top end of the feeding box 1 is provided with a V-shaped groove 111 with a V-shaped structure, a steel shaft is placed in the V-shaped groove 111, a plurality of rotating rollers 107 are installed on the inner wall of the V-shaped groove 111 at equal intervals, two ends of each rotating roller 107 are respectively provided with a round head, and the axis of each rotating roller is parallel to the threaded screw rod 104 on the front side wall of the feeding box 1; when the pushing frame 102 is convenient to push the steel shaft to move axially, the roller 107 is prevented from rotating to block the steel shaft meter, and the smoothness of the steel shaft during sliding is improved.
The front side wall of the feeding box 1 is provided with a sliding chute 105, the inner wall of the sliding chute 105 is provided with threaded lead screws 104 at equal intervals, the inner wall of the sliding chute 105 is provided with the threaded lead screws 104 through bearings, one end of each threaded lead screw 104 is fixedly provided with a first servo motor 106, the output shaft of the first servo motor 106 is fixedly connected with one end of each threaded lead screw 104, the outer circular surface of each threaded lead screw 104 is connected with a movable nut 103 through threads, the top end of each movable nut 103 upwards extends out of a sliding frame 101, the top end of each sliding frame 101 is fixedly provided with a pushing frame 102, and each pushing frame 102 extends into the upper part;
the clamping support bracket 2 comprises a rack base 205 fixedly arranged at the bottom of the left side of the feeding box 1, a support ribbed plate 209 vertically arranged at the top end of the rack base 205 is arranged in the middle of the top end of the rack base 205 in a sliding fit mode, a second servo motor 210 is fixedly arranged on the left side of the support ribbed plate 209, an output shaft extends rightwards from the second servo motor 210, a drive gear 212 is fixedly arranged at the top end of the output shaft of the second servo motor 210, a rotary gear 207 is rotatably connected to the middle of the left side of the support ribbed plate 209, the drive gear 212 at the top end of the second servo motor 210 is meshed with the rotary gear 207, a through slide hole is formed in the middle of the rotary gear 207, a push rod shaft 213 is slidably connected in the slide hole in the middle of the rotary gear 207, the right end of the push rod shaft 213 extends to the right side of the;
a second electric push rod 208 is fixedly arranged on the left side of the support rib plate 209, a push rod extends out of the right side of the second electric push rod 208, and the top end of the push rod of the second electric push rod 208 is rotatably connected with a push rod shaft 213; a first electric push rod 203 is fixedly arranged on the left side of the support rib plate 209 and positioned at the top end of the rack base 205, a push rod extends rightwards from the first electric push rod 203, and the top end of the push rod of the first electric push rod 203 is fixedly arranged in the middle of the support rib plate 209;
the top end of the frame base 205 is fixedly provided with a cutting machine tool 3 standing on the top end of the frame base 205, the cutting machine tool 3 is arranged at the rear side of the support rib plate 209, the support rib plate 209 and the cutting machine tool 3 are vertically fixed in a staggered manner, the middle part of the cutting machine tool 3 is provided with a through round hole, the rear side of the cutting machine tool 3 is fixedly provided with a third electric push rod 306, the third electric push rod 306 extends forwards to form an output shaft, the output shaft of the third electric push rod 306 passes through the round hole of the cutting machine tool 3 to extend towards the front side of the cutting machine tool 3, the top end of the output shaft of the third electric push rod 306 extending out of the front side of the cutting machine tool 3 is rotatably connected with a disc-shaped rotating flange 301, the outer,
specifically, the feeding box 1 is arranged horizontally, a steel shaft is convenient to place, a V-shaped groove is formed in the top end of the feeding box 1, the steel shaft is convenient to position, the installation efficiency of the steel shaft is improved, the steel shaft is placed in the V-shaped groove 111, the first servo motor 106 drives the pushing frame 102 to slide left and right in the V-shaped groove, the steel shaft placed in the V-shaped groove is pushed, the steel shaft slides in the V-shaped groove, the steel shaft pushes the steel shaft to move left through the pushing frame 102 on the right side, the steel shaft can continuously feed to a left cutting machine, and the cutting machine can perform fixed length processing on the steel shaft by controlling the distance between the clamping support bracket 2 and the feeding box 1.
Specifically, the second electric push rod 208 pushes the support rib plate 209 to slide back and forth at the top end of the base of the rack, so that the distance between the right side wall of the support rib plate 209 and the rotary flange 301 is controlled, the steel shaft is pushed to move left by the pushing frame 102, the left side of the steel shaft abuts against the right end of the support rib plate 209, the rotary flange 301 abuts against the surface of the steel shaft, the surface of the steel shaft is subjected to gate cutting by utilizing the anisotropic teeth 302 on the outer circular surface of the rotary flange 301, and the steel shaft is subjected to special-shaped cutting by matching of the rotation of the rotary flange 301 and the synchronous rotation of the steel shaft, so that the two ends of the cut and formed steel shaft have profiles with.
A second synchronous sprocket 305 is rotatably connected to the left side of the cutting machine 3, a rotating shaft 308 is arranged in the middle of the second synchronous sprocket 305, the rotating shaft 308 is parallel to the axis of the rotating gear 207, gear teeth are arranged on the outer circular surface of the left end of the rotating shaft 308, the width of the gear teeth is at least slightly greater than 5 cm of the maximum extension length of the push rod of the first electric push rod 203, the wider the gear teeth at the left end of the rotating shaft 308, the more the gear teeth are, the more the first driving sprocket 303 can still transmit torque when axially sliding with the outer circular surface of the rotating shaft 308, the synchronous rotation of the inner support cylinder 214 and the steel shaft outer circular surface rotating flange 301 is kept, a first driving sprocket 303 is fixedly arranged on the left side of the rotating flange 301, a synchronous chain 304 is meshed and connected between the first;
the transmission gear 202 is rotatably connected to the left side of the support rib 209, the transmission gear 202 is engaged with the outer circumferential surface of the rotary gear 207, and the transmission gear 202 is engaged with the gear teeth at the left end of the rotary shaft 308.
Specifically, the inner support cylinder 214 extends into the inner wall of the steel shaft, when the rotary flange 301 cuts from the outer circular surface of the steel shaft, the inner support cylinder 214 supports the inner wall of the steel shaft, so as to prevent the deformed teeth 302 on the outer circular surface of the rotary flange 301 from cutting the steel shaft, when the surface of the steel shaft is subjected to deformed tooth cutting, the steel shaft bends inwards, the inner support cylinder 214 supports the inner wall of the steel shaft, thereby effectively improving the deformation of the steel shaft during the cutting process, effectively improving the cutting accuracy, reducing the deformation of the steel shaft after cutting, the outer circular surface of the inner support cylinder 214 passes through the recessed abdicating groove 216, when the deformed teeth cut the steel shaft, the deformed teeth 302 extend into the abdicating groove 216 through the abdicating groove 216, which is beneficial to thoroughly cut the steel shaft by the deformed teeth 302, and avoiding the direct contact of the tips of the deformed teeth by the abdicating groove 216, the protection to the top end of the special-shaped tooth is effectively played, when the special-shaped tooth is cut, the inner wall of the steel shaft is supported through the two sides of the abdicating groove 216, the structural strength of the steel shaft in the cutting process can be effectively improved, the deformation of the steel shaft due to uneven stress in the cutting process is reduced, and the cutting precision in the cutting process of the special-shaped tooth is improved.
The push rod shaft 213 comprises a supporting roller 215, a yielding groove 216 and an air bag 218; the air passage is arranged inside the push rod shaft 213, the inner support barrel 214 is of a circular ring structure, the inner support barrel 214 is made of rubber materials, an air bag 218 is arranged on the inner ring of the inner support barrel 214, the air bag 218 is communicated with the air passage 213 inside the push rod shaft 213, the left end of the push rod shaft 213 is provided with an air connecting nozzle which is communicated with the external air passage, the outer circular surface of the inner support barrel 214 is provided with a abdicating groove 216, and the abdicating groove 216 is a groove of a Z-shaped structure. The relief groove 216 mates with the raised profile of the opposite tooth 302 structure.
Wherein, connect the air cock to put through with outside air supply, control gasbag 218 through the valve on the outside air supply and expand and contract, and then be convenient for interior support section of thick bamboo 214 moves the operation simplicity when taking out on the steel axle inner wall, expand and contract through gasbag 218, it is sensitive to make interior support section of thick bamboo 214 shrink response speed, response speed is fast, be convenient for support the steel axle inner wall fast, it is sensitive through response speed, reduce the preparation time before the cutting, and then improve the processing production speed of steel axle effectively.
The inner support cylinder 214 further comprises a lifting chute 219, a lifting slider 220 and roller grooves 221, a plurality of roller grooves 221 are symmetrically formed in the left side and the right side of the abdicating groove 216 on the outer circular surface of the inner support cylinder 214, each support roller 215 is embedded into the corresponding roller groove 221, the lifting chute 219 is symmetrically formed in the left side wall and the right side wall of each roller groove 221, the lifting slider 220 is rotatably connected to the left end and the right end of each support roller 215, the lifting slider 220 at the two ends of each support roller 215 is installed in the lifting chutes 219 on the two sides of the roller grooves 221 in a sliding fit mode, and a pressure spring is arranged at the bottom end of the lifting slider 220 in the lifting chute 219.
When the supporting rollers 215 support the inner wall of the steel shaft, and the rotating flange 301 and the steel shaft synchronously rotate, the friction force between the inner supporting cylinder 214 and the inner wall of the steel shaft is reduced through the supporting rollers 215 during the rotation of the steel shaft, so that the mechanical vibration generated during the rotation of the steel shaft is reduced, the cutting accuracy of the deformed teeth 302 is effectively improved, and the mechanical vibration generated during the cutting of the deformed teeth 302 can be further reduced through the pressure spring at the bottom of the lifting slide block 220.
The groove 216 of stepping down includes the second spout 223, the second presss from both sides tight spring 223, the second presss from both sides tight piece 224, the left and right sides symmetry of the groove 216 of stepping down is provided with the second spout 223, imbed in the second spout 223 of each side through sliding fit mode in the tight piece 224 of second clamp, the tight piece 224 top of every side second clamp that imbeds in the second spout 223 is equidistant to be provided with the second and presss from both sides tight spring 223, the second of both sides presss from both sides tight piece 224 and all is close to in the groove 216 of stepping down top surface of stepping down, the second of both sides presss from both sides tight piece 224 and all presss from both sides to the middle part elasticity of the groove 216 of stepping down through the second presss from both sides.
The second presss from both sides tight piece 224 including shovel bits sword 2241, direction inclined plane 2242, shovel bits sword 2241 sets up in the top that every side second pressed from both sides tight piece 224, shovel bits sword 2241 sets up to the V-arrangement sword, and the top surface of shovel bits sword 2241 is the plane, direction inclined plane 2242 sets up stretching into on the tight piece 224 lateral wall of groove 216 second clamp of stepping down, direction inclined plane 2242 is the top inclined plane that is close to the groove 216 inner wall of stepping down, the bottom of direction inclined plane 2242 stretches out to shovel bits sword 2241 outside.
Specifically, the elastically telescopic second clamping blocks 224 are symmetrically arranged on the two sides of the abdicating groove 216, and the second clamping blocks 224 on the two sides of the abdicating groove 216 support the inner wall of the steel shaft, so that when the deformed tooth is cut, the second clamping blocks 224 are more effectively close to the support of the cutting position of the steel shaft, the support area of the cutting position of the steel shaft is effectively increased, the deformation of the steel shaft caused by uneven stress due to extrusion cutting by the deformed teeth 302 in the cutting process is effectively reduced, the cutting accuracy of the steel shaft is effectively improved, the second clamping blocks 224 on the two sides extend out of the scrap removing edge through the bottom end of the guide inclined plane, so that when the deformed tooth is cut into the inner wall of the steel shaft, the deformed tooth pushes the second clamping blocks 224 on the two sides to abdicating groove 216 through the guide inclined plane, and further when the deformed tooth is cut on the steel shaft, the second clamping blocks 224 on the two sides can effectively support the top end of the steel shaft, reduce the deformation that produces in the steel axle cutting process effectively, the second of both sides presss from both sides tight piece 224 and passes through the shovel bits sword on top, make the profile shape tooth after the steel axle has been cut, the steel axle is because of the cutting process, the burr that the inside turn-ups of steel axle topside is shoveled except that the burr of steel axle inner wall through the shovel bits sword on the tight piece 224 of both sides second clamp, reduce the burr that the steel axle produced in the cutting process, improve the steel axle inner wall smoothness after the shaping, be favorable to improving the installation fastness of steel axle in the installation.
The cutting support bracket 204 comprises an arc support groove 2042 and a rotating roller 2043, the top end of the cutting support bracket 204 is provided with an arc support groove 2042 with an arc groove structure, and the inner wall bottom surface of the arc support groove 2042 is provided with the rotating rollers 2043 with a plurality of cylindrical structures at equal intervals.
Wherein, when the reducible steel axle of rotation roller 2043 through in the arc bearing groove 2042 is done synchronous rotation with the rotating flange, arc bearing groove 204 inner wall is to the frictional force on steel axle surface, and then improve the stationarity that the steel axle rotates the in-process effectively, through improving the stationarity that the steel axle rotates the in-process, improve the precision in the steel axle cutting course of working effectively, be provided with shaping rubber pad 217 through rotatory gear 207 right side, shaping rubber pad 217 laminates with the profile structure on steel axle top mutually, make rotary gear 207 when rotating, promote the steel axle through shaping rubber pad 217 and do synchronous rotation, and then the favourable messenger steel axle carries out rotary cutting, be favorable to improving cutting speed, improve the shaping precision, reduce the structure complexity, improve the installation fastness of structure.
Specifically, the rotary gear 207 is driven to rotate by the second servo motor 210, the rotary flange 301 and the rotary gear 207 are synchronously meshed and rotated through the meshing transmission of the rotating shaft and the synchronous chain 304, the forming rubber pad on the right side of the supporting rib plate 209 is pushed to be attached to the contour structure of the top end of the steel shaft in the rotating process of the rotary gear 207, the steel shaft and the rotary flange 301 are synchronously matched and rotated in the cutting process of the steel shaft, the steel shaft is cut and formed through the special-shaped teeth by using a profiling method, the required contour structure of the top end of the steel shaft is obtained, the distance between the supporting rib plate 209 and the rotary flange 301 is matched through the pushing of the pushing and moving frame 102, the contact between the rotary flange 301 and the surface of the steel shaft is controlled through the second electric push rod 208, the automatic fixed-length cutting of the steel shaft is realized, the production efficiency is improved, the steel shaft is cut through the special-shaped teeth by using, can cut off the in-process to the steel axle fast, can also carry out contour machining to the steel axle top, reduce the fashioned production processes in steel axle top, improve the installation fastness of steel axle.
The V-shaped groove 111 comprises rotating rollers 107, sliders 108, first pressure springs 109 and first slide ways 110, a plurality of roller grooves are formed in the top ends of the inner walls of the V-shaped groove 111 at equal intervals, the rotating rollers 107 are embedded in each roller groove, the sliders 108 are rotatably connected to two ends of each rotating roller 107, the first slide ways 110 are symmetrically formed in the left side and the right side of the inner wall of each roller groove, the sliders 108 at two ends of each rotating roller 107 are installed in the first slide ways 110 on two sides of each roller groove in a sliding fit mode, and the first pressure springs 109 are fixedly arranged at the bottom ends of the sliders 108 installed in the first slide ways 110.
Specifically, in the V-shaped groove 111, when the roller 107 is rotated to cut the steel shaft in a rotating manner, the roller 107 is rotated to reduce the friction force of the inner wall of the V-shaped groove 111 on the surface of the steel shaft; and then reduce the vibrations that the rotation in-process of steel axle produced, improve the cutting precision of steel axle.
The cutting machine 3 is provided with a right handrail 309 and a left handrail 310 on the front side, the right handrail 309 being provided on the right side of the rotary flange 301, and the left handrail 310 being provided on the left side of the rotary flange 301.
Wherein, right handrail 309 and left handrail 310 can grip the steel shaft of rotating flange 301 both sides and support to the steel shaft cutting process in-process, and then reduce the shake that profile shape tooth 302 produced in the steel shaft cutting process, improve the installation fastness in the steel shaft cutting process, and then improve steel shaft cutting accuracy.
Regarding the right armrest 309 and the left armrest 310 as the auxiliary devices in this embodiment, the right armrest 309 and the left armrest 310 may be clamped and fixed by using a robot instead of a clamping device, so as to intelligently hold and support the steel shafts on both sides of the rotating flange 301 according to the processing requirement during the actual processing process, and the robot of the present invention may also rotate during the holding process of the steel shaft on the left side of the rotating flange 301, so that the steel shaft on the left side of the rotating flange 301 is lowered by the robot after the cutting process is completed.
The coordinated and coordinated movement among the first electric push rod 203, the second electric push rod 208, the third electric push rod 306 and the first servo motor 106 can be controlled by any one of the existing commercially available PLC single-chip microcomputer control programs, and any one of the PLC single-chip microcomputer control programs that meets the recorded functions of the present invention can be used as the present invention.
The working principle of the invention is as follows:
firstly, a steel shaft is placed in a V-shaped groove at the top end of a feeding box 1, a first servo motor 106 drives a pushing frame 102 to slide leftwards in the V-shaped groove, the steel shaft placed in the V-shaped groove is pushed, the steel shaft is pushed leftwards by the pushing frame 102 on the right side to move leftwards, and the steel shaft can continuously feed materials to a left cutting machine;
secondly, the supporting rib plate 209 is pushed to slide back and forth at the top end of the base of the rack through the second electric push rod 208, the distance between the right side wall of the supporting rib plate 209 and the rotary flange 301 is controlled, so that the automatic fixed-length cutting distance of the steel shaft is controlled, the steel shaft is pushed to move left through the pushing frame 102, the left side of the steel shaft is abutted to the right end of the supporting rib plate 209, the rotary flange 301 abuts against the surface of the steel shaft, gate cutting is carried out on the surface of the steel shaft by utilizing the anisotropic teeth 302 on the outer circular surface of the rotary flange 301, and the steel shaft is subjected to special-shaped cutting through the rotation of the rotary flange 301 in cooperation with the synchronous rotation of the steel shaft, so that the.
Then, the rotating gear 207 is driven to rotate by the second servo motor 210, the rotating flange 301 and the rotating gear 207 are synchronously meshed and rotated by the meshing transmission of the rotating shaft and the synchronous chain 304, the forming rubber pad on the right side of the supporting rib plate 209 is pushed to be attached to the contour structure of the top end of the steel shaft in the rotating process of the rotating gear 207, the steel shaft and the rotating flange 301 are synchronously matched and rotated in the cutting process of the steel shaft, the steel shaft is cut and formed through the deformed teeth by using a profiling method, the required contour structure of the top end of the formed steel shaft is obtained, the distance between the supporting rib plate 209 and the rotating flange 301 is matched by the pushing of the pushing frame 102, the contact between the rotating flange 301 and the surface of the steel shaft is controlled by the second electric push rod 208, the automatic fixed-length automatic cutting of the steel shaft is realized, the production efficiency is improved, the steel shaft is cut by using the deformed teeth through the, can cut off the in-process to the steel axle fast, can also carry out contour machining to the steel axle top, reduce the fashioned production processes in steel axle top, improve the installation fastness of steel axle.
In addition, the working principle of the internal support cylinder is as follows:
the inner supporting cylinder 214 extends into the inner wall of the steel shaft, when the rotary flange 301 cuts the steel shaft from the outer circular surface of the steel shaft, the inner supporting cylinder 214 supports the inner wall of the steel shaft, so that when the special-shaped teeth 302 on the outer circular surface of the rotary flange 301 cut the steel shaft, the steel shaft is bent inwards when the surface of the steel shaft bears the cutting of the special-shaped teeth, the inner supporting cylinder 214 supports the inner wall of the steel shaft, the deformation of the steel shaft in the cutting process can be effectively improved, the cutting accuracy can be effectively improved, the deformation of the steel shaft after cutting can be reduced, the concave abdicating groove 216 is arranged on the outer circular surface of the inner supporting cylinder 214, when the special-shaped teeth cut the steel shaft through the abdicating groove 216, the special-shaped teeth 302 extend into the abdicating groove 216, the special-shaped teeth 302 can be favorably cut the steel shaft more thoroughly, the direct contact of the tips of the special-shaped teeth can be avoided through the abdicating groove 216, when the special-shaped teeth are cut, the inner walls of the steel shafts are supported by the two sides of the abdicating groove 216, so that the structural strength of the steel shafts in the cutting process can be effectively improved, the deformation of the steel shafts due to uneven stress in the cutting process is reduced, and the cutting precision in the cutting process of the special-shaped teeth is improved.
The elastically telescopic second clamping blocks 224 are symmetrically arranged on the two sides of the abdicating groove 216, and the second clamping blocks 224 on the two sides of the abdicating groove 216 support the inner wall of the steel shaft, so that when the deformed tooth is cut, the second clamping blocks 224 are more effectively close to the support of the cutting position of the steel shaft, the support area of the cutting position of the steel shaft is effectively increased, the deformation of the steel shaft caused by uneven stress due to extrusion cutting by the opposite teeth 302 in the cutting process is effectively reduced, the cutting accuracy of the steel shaft is effectively improved, the second clamping blocks 224 on the two sides extend out of the scrap removing blade through the bottom ends of the guide inclined planes, when the deformed tooth is cut into the inner wall of the steel shaft, the deformed tooth pushes the second clamping blocks 224 on the two sides to abdicating groove 216 through the guide inclined planes, and further when the deformed tooth is cut into the steel shaft, the second clamping blocks 224 on the two sides can effectively support the top end of the steel shaft, reduce the deformation that produces in the steel axle cutting process effectively, the second of both sides presss from both sides tight piece 224 and passes through the shovel bits sword on top, make the profile shape tooth after the steel axle has been cut, the steel axle is because of the cutting process, the burr that the inside turn-ups of steel axle topside is shoveled except that the burr of steel axle inner wall through the shovel bits sword on the tight piece 224 of both sides second clamp, reduce the burr that the steel axle produced in the cutting process, improve the steel axle inner wall smoothness after the shaping, be favorable to improving the installation fastness of steel axle in the installation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a numerical control intelligence cutting off machine with automatic fixed length function of steel axle, includes the feed tank, presss from both sides tight support bracket, cutting off machine, its characterized in that: the feeding box is arranged horizontally, the feeding box is horizontally arranged on the right side of the clamping support bracket, the clamping support bracket and the feeding box are connected into a whole, the middle part of the clamping support bracket is provided with a cutting machine tool, and the cutting machine tool is used for cutting the steel shaft at a fixed length;
the top end of the feeding box is provided with a V-shaped groove with a V-shaped structure, a steel shaft is placed in the V-shaped groove, a plurality of rotating rollers are arranged on the inner wall of the V-shaped groove at equal intervals, and each axis is parallel to the front side wall of the feeding box;
the feeding device comprises a feeding box, a bearing, a first servo motor, a second servo motor, a sliding frame, a pushing frame and a pushing frame, wherein the feeding box is provided with a chute on the front side wall, the inner wall of the chute is provided with threaded lead screws at equal intervals, the inner wall of the chute is provided with the threaded lead screws through the bearing, one end of the threaded lead screw is fixedly provided with the first servo motor, the output shaft of the first servo motor is fixedly connected with one end of the threaded lead screw, the outer circular surface of the threaded lead screw is connected with a movable nut through threads, the top end of the movable;
the clamping support bracket comprises a rack base fixedly arranged at the bottom of the left side of the feeding box, a support rib plate standing upright at the top end of the rack base is arranged in the middle of the top end of the rack base in a sliding fit mode, a rotary gear is rotatably connected to the middle of the left side of the support rib plate, a through slide hole is formed in the middle of the rotary gear, a push rod shaft is connected in the slide hole in the middle of the rotary gear in a sliding manner, the right end of the push rod shaft penetrates through the slide hole in the middle of the rotary gear to extend out to the right side of the support rib plate, and an inner support cylinder is;
a second electric push rod is fixedly arranged on the left side of the support rib plate, a push rod extends out of the right side of the second electric push rod, and the top end of the push rod of the second electric push rod is rotatably connected with the push rod shaft;
a first electric push rod is fixedly arranged on the left side of the support rib plate and positioned at the top end of the base of the rack, a push rod extends rightwards, and the top end of the push rod of the first electric push rod is fixedly arranged in the middle of the support rib plate;
the utility model discloses a cutting machine, including frame base, support rib plate, cutting machine, frame base, support rib plate, cutting machine, frame base top has set firmly the cutting machine who stands vertically in frame base top, cutting machine set up in the rear side of support rib plate, the round hole that link up is seted up at the cutting machine middle part, cutting machine's rear side fixed mounting has third electric putter, third electric putter stretches out forward has the output shaft, third electric putter's output shaft pass cutting machine's round hole to cutting machine's front side stretches out, stretches out in the cutting machine front side third electric putter's output shaft top rotates and is connected with discoid swivel flange, the disc outside the swivel flange is provided with the different in nature tooth of different in nature structure.
2. The numerical control intelligent cutting machine tool with the automatic length fixing function of the steel shaft according to the claim 1, is characterized in that: a second synchronous chain wheel is rotatably connected to the left side of the cutting machine tool, a rotating shaft is arranged in the middle of the second synchronous chain wheel and is parallel to the axis of the rotating gear, gear teeth are arranged on the outer circular surface of the left end of the rotating shaft, the width of the gear teeth is at least slightly greater than 5 cm of the maximum value of the extending length of the push rod of the first electric push rod, a first driving chain wheel is fixedly arranged on the left side of the rotating flange, and a synchronous chain is meshed and connected between the first driving chain wheel and the second synchronous chain wheel;
the left side of the support rib plate is rotatably connected with a transmission gear, the transmission gear is meshed with the outer circular surface of the rotary gear, and the transmission gear is meshed with the gear teeth at the left end of the rotary shaft.
3. The numerical control intelligent cutting machine tool with the automatic length fixing function of the steel shaft according to the claim 1, is characterized in that: the push rod shaft comprises a supporting roller, a abdicating groove and an air bag; the novel push rod shaft structure is characterized in that an air passage is arranged inside the push rod shaft, the inner supporting barrel is of a circular ring structure and is made of rubber materials, an air bag is arranged on an inner ring of the inner supporting barrel and communicated with the air passage inside the push rod shaft, a abdicating groove is formed in the outer circular surface of the inner supporting barrel and is a groove of a Z-shaped structure.
4. The numerical control intelligent cutting machine tool with the automatic length fixing function of the steel shaft according to the claim 3, is characterized in that: the inner support cylinder further comprises a lifting sliding groove, a lifting sliding block and roller grooves, a plurality of roller grooves are symmetrically formed in the outer circular surface of the inner support cylinder along the left side and the right side of the abdicating groove, each of the roller grooves is embedded into the corresponding roller groove, each of the lifting sliding grooves is symmetrically formed in the left side wall and the right side wall of each roller groove, each of the lifting sliding grooves is formed in the left side and the right side of the roller groove, the lifting sliding blocks at the two ends of the roller are rotatably connected with the lifting sliding block and each of the lifting sliding blocks are installed in the lifting sliding grooves on the two sides of the roller groove in a sliding fit mode, and the bottom end.
5. The numerical control intelligent cutting machine tool with the automatic length fixing function of the steel shaft according to the claim 3, is characterized in that: the groove of stepping down includes that second spout, second clamp spring, second press from both sides tight piece, the left and right sides symmetry in the groove of stepping down is provided with the second spout, every side imbed in the second through sliding fit mode in the second spout and press from both sides tight piece, imbed in each side in the second spout the second presss from both sides tight piece top equidistant second clamp spring that is provided with, both sides the second presss from both sides tight piece and is in the inslot of stepping down all is close to in the groove top surface of stepping down, both sides the tight piece of second clamp all to through second clamp spring the middle part elasticity in the groove of stepping down presss from both sides tightly.
6. The numerical control intelligent cutting machine tool with the automatic length fixing function of the steel shaft according to claim 5, is characterized in that: the second presss from both sides tight piece including shovel bits sword, direction inclined plane, shovel bits sword sets up in every side the top of the tight piece of second clamp, shovel bits sword sets up to the V-arrangement sword, just the top surface of shovel bits sword is the plane, the direction inclined plane sets up and is stretching into in the groove of stepping down on the tight piece lateral wall of second clamp, the inclined plane that leads is the top to the inclined plane that the inslot wall of stepping down is close to, the bottom on the inclined plane of leading stretches out to shovel bits sword outside.
7. The numerical control intelligent cutting machine tool with the automatic length fixing function of the steel shaft according to the claim 1, is characterized in that: and a molded rubber pad is arranged on the right side of the rotating gear and is attached to the profile structure at the top end of the steel shaft.
8. The numerical control intelligent cutting machine tool with the automatic length fixing function of the steel shaft according to the claim 1, is characterized in that: the cutting support bracket comprises an arc support groove and a rotating roller, the arc support groove with an arc groove structure is formed in the top end of the cutting support bracket, and the rotating rollers with a plurality of cylindrical structures are arranged on the bottom surface of the inner wall of the arc support groove at equal intervals.
9. The numerical control intelligent cutting machine tool with the automatic length fixing function of the steel shaft according to the claim 1, is characterized in that: the V-arrangement groove is including rotating roller, slider, first pressure spring, first slide, a plurality of roller groove has been seted up to V-arrangement inslot wall top equidistant, and each roller inslot embedding has the rotation roller, each the both ends of rotating the roller are rotated and are connected with the slider, and first slide has been seted up to the inner wall left and right sides symmetry in each roller groove, the slider that rotates the roller both ends passes through the sliding fit mode and installs in the first slide of roller groove both sides, installs in first slide the slider bottom has set firmly first pressure spring.
10. The numerical control intelligent cutting machine tool with the automatic length fixing function of the steel shaft according to the claim 1, is characterized in that: the front side of cutting off machine is provided with right handrail, left handrail, right handrail sets up in the right side of rotatory flange, left handrail sets up in the left side of rotatory flange.
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