CN115431114B - Manufacturing device and method for ceramic pipe rod with ultrahigh straightness concentricity - Google Patents

Abstract

The invention relates to a device and a method for manufacturing a ceramic pipe rod with ultra-high straightness concentricity, comprising a processing rack and feeding motion bases fixedly connected to two ends of the processing rack, wherein a centerless grinding mechanism, a reducing guide cone and a reducing coarse grinding cone are arranged on the processing rack; utilize earlier stage stick of pipe thick footpath as the grip point, the condition that the stick of pipe received at this moment gravity influence takes place to bend will be less than the thin footpath processing, fixes a position the stick of pipe through the thick grinding awl of reducing, and the purpose of rough machining is in order to shorten the diameter of stick of pipe fast, and when the tensile length of stick of pipe increases, timely carries out dynamic change to the supporting point position of stick of pipe, guarantees the supporting effect, guarantees that the axial of rotation can not take place the skew.

Description

Manufacturing device and method for ceramic pipe rod with ultrahigh straightness concentricity

Technical Field

The invention relates to the technical field of ceramic pipe rod processing, in particular to a device and a method for manufacturing a ceramic pipe rod with ultrahigh straightness concentricity.

Background

The grinding process solves the problems of unsuitable size specification and poor ceramic surface quality of the sintered ceramic blank material, the blank of the zirconia ceramic pipe rod is subjected to the grinding process by using a centerless grinding machine, so that a surface sintered layer can be effectively removed, the size of the zirconia ceramic pipe rod is controlled, the grinding process is generally divided into rough machining and finish machining, the sintered layer on the surface of the zirconia ceramic pipe rod or the pipe is removed by rough machining, and errors in the machining process of the zirconia ceramic pipe rod are reduced by controlling straightness;

the ceramic pipe rod is increased along with the length of the product, so that the straightness of the ceramic pipe rod is reduced, the cylindrical object is naturally bent under the influence of gravity when the length of the cylindrical object is increased, and when the cylindrical object is polished by adopting a centerless grinder, although the straightness can be controlled, if the required length of the ceramic pipe rod is too long, a part of the ceramic pipe rod is exposed outside, the outside part cannot be supported by the centerless grinder, at the moment, an external pipeline is influenced by gravity, the machined pipeline in the centerless grinder is influenced by the external pipeline easily, the straightness is reduced, and when the pipe rod rotates in the centerless grinder, all points are inconsistent with the contact of the grinding roller, and concentricity is further influenced.

Disclosure of Invention

The invention aims to provide a device and a method for manufacturing a ceramic pipe rod with ultrahigh straightness concentricity, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the device for manufacturing the ceramic pipe rod with the ultrahigh straightness concentricity comprises a processing rack and feeding motion bases fixedly connected to two ends of the processing rack;

the machining machine is characterized in that a centerless grinding mechanism, two reducing guide cones and two reducing coarse grinding cones are arranged on the machining machine frame, the two reducing coarse grinding cones are used for coarsely grinding blanks to the machining diameter of the centerless grinding mechanism, a grinding roller set is arranged on the centerless grinding mechanism and used for secondarily grinding a coarsely ground pipe rod, the reducing coarse grinding cones are fixedly connected with two rollers of the grinding roller set respectively, the reducing guide cones are rotatably connected right above the two reducing coarse grinding cones, and the reducing guide cones are located between the two reducing coarse grinding cones;

the two feeding motion bases are respectively and slidably connected with a feeding plate and a traction plate, a plurality of dynamic pipe rod supporting guide rings for guiding the pipeline are slidably connected between the feeding plate and the processing rack and between the traction plate and the processing rack, and two adjacent dynamic pipe rod supporting guide rings are elastically connected through a distance-adjusting spring;

and the machining frame is provided with a taper detection mechanism, and the taper detection mechanism is positioned between the diameter-reducing guide cone and the diameter-reducing coarse grinding cone and is used for detecting the size of each point position of the pipeline after the diameter-reducing coarse grinding cone is machined.

The two ends of the processing rack are fixedly connected with vertical frames, the ends of the diameter-reducing guide cone and the end of the diameter-reducing coarse grinding cone are rotatably connected with the vertical frames, and round holes for the pipe rods to enter are formed in the vertical frames.

Two symmetrically distributed sliding brackets are fixedly connected to the peripheral side of the dynamic pipe rod supporting guide ring, two moving sliding grooves are formed in the surface of the feeding moving base, hidden sliding blocks are fixedly connected to the bottom of the sliding brackets, and distance adjusting springs are fixedly connected between the two adjacent hidden sliding blocks along the long side of the feeding moving base.

The top surface of the feeding motion base is provided with a dynamic chute, the feeding plate is in sliding connection with the traction plate in the dynamic chute, the traction plate provides driving power through a driver at the tail end of the feeding motion base, and the traction plate is driven to move back and forth on the feeding motion base through a driving screw.

The top fixedly connected with closing cap of centerless grinding mechanism, the closing cap is located the top of grinding roller group, the tip of grinding roller group and the tip of closing cap all are provided with transition detection roller, grinding roller group with pass through transition detection roller fixed connection between the thick grinding cone of reducing, be located the closing cap one end transition detection roller with reducing direction awl fixed connection.

The taper detection mechanism comprises a connecting support and a plurality of guide pipes which are fixedly connected to the connecting support and distributed at equal intervals, a marking rod is connected in a sliding mode in the guide pipes, and a contact ball is connected to the end portion of the marking rod in a rotating mode.

The top fixedly connected with two pay-off supports of charge-up board, two fixedly connected with accomodates the centering pipe between the pay-off support, accomodate the centering intraductal rotation and be connected with the extension dwang, the tip fixedly connected with pay-off holder of extension dwang.

The top fixedly connected with traction support of traction plate, one side of traction support rotates and is connected with the traction dwang, the tip fixedly connected with of traction dwang pulls the holder, the traction dwang with the length of extension dwang equals, the length of traction dwang is greater than the grinding roller group with the length sum of reducing thick grinding cone.

The application method of the ceramic pipe rod manufacturing device with the ultrahigh straightness concentricity comprises the steps that a traction plate drives a driving screw rod to rotate through a driver, a traction rotating rod passes through a centerless grinding mechanism and a reducing guide cone, a dynamic pipe rod supporting guide ring is compressed in front of the traction plate, a feeding plate slides out of a feeding motion base at the moment, a pipe rod rough blank passes through the dynamic pipe rod supporting guide ring to a traction clamp holder to be fixed, and the feeding plate is reset to fix the other end of the pipe rod with the feeding clamp holder; along with the traction plate drives the pipe stick and stretches, the pipe stick is because the diameter is too thick this moment, the pipe stick is longer at this moment, but receive the crooked change of gravity influence lower, utilize a plurality of developments pipe stick to support the guide ring dispersion support simultaneously, guarantee the axial stability of pipe stick rotation, this moment, the traction plate is with the quick processing of pipe stick through the thick grinding cone of reducing, detect the processing state of thick grinding cone of reducing through tapering detection mechanism, make the pipe stick diameter after the thick grinding cone of reducing reduce, get into the inside of grinding roller group and carry out secondary grinding, increase along with the time, the thick diameter pipe stick length of feeding plate department centre gripping reduces this moment, the thin diameter pipe stick length of traction plate department increases this moment, dynamic pipe stick supports the guide ring and receives the slip influence of traction plate, distance regulating spring promotes dynamic pipe stick to support the guide ring and resets, the pipe stick carries out dispersion support, offset gravity is to the influence of pipe stick, send out the processing frame after the feed holder is in deep processing frame and send the pipe stick out, accomplish the processing.

The beneficial effects of the invention are as follows: the pipe rod is bent under the influence of gravity at the earlier stage and is used as a clamping point, the pipe rod is subjected to small-diameter machining, the pipe rod is firstly subjected to rough machining through a reducing guide cone, the pipe rod is positioned through a reducing rough grinding cone, the diameter of the pipe rod is rapidly shortened by the purpose of rough machining, the grinding requirement of a centerless grinding mechanism is met, the pipe rod machined through a grinding roller set is sent out through a traction plate, along with the increase of the stretching length of the pipe rod, the supporting point position of the pipe rod is dynamically changed timely, the dynamic change is more flexible in use, meanwhile, a traction mechanism can fix the pipe rod at the initial stage, the interference effect of a dynamic pipe rod supporting guide ring is avoided, and the feeding plate and the traction plate are synchronously moved under the guiding influence of a moving chute, so that the straightness and concentricity of the pipe rod after machining are improved.

Drawings

FIG. 1 is a schematic perspective view of a device for manufacturing a ceramic pipe rod with ultra-high straightness concentricity;

FIG. 2 is a schematic front view of a device for manufacturing a ceramic pipe rod with ultra-high straightness concentricity;

FIG. 3 is a schematic diagram of a processing structure of a device for manufacturing a ceramic pipe rod with ultra-high straightness concentricity;

FIG. 4 is a schematic perspective view of a feed plate in a device for manufacturing a ceramic pipe rod with ultra-high straightness concentricity;

FIG. 5 is a schematic perspective view of a pulling plate in a device for manufacturing a ceramic pipe rod with ultra-high straightness concentricity;

Detailed Description

Referring to FIGS. 1-5, the composition of the present invention

Comprises a processing machine frame 1 and feeding motion bases 6 fixedly connected to two ends of the processing machine frame 1;

the processing machine frame 1 is mainly used for processing the pipe rod, the feeding motion base 6 is mainly used for supporting, clamping and guiding the two ends of the pipe rod and limiting the rotation axial direction of the pipe rod, so that the pipe rod processed by the processing machine frame 1 is axially fixed, and the straightness and concentricity of the grinded pipe rod are improved;

the machining frame 1 is provided with a centerless grinding mechanism 2, a reducing guide cone 3 and reducing coarse grinding cones 4, the number of the reducing coarse grinding cones 4 is two, the centerless grinding mechanism 2 is used for coarsely grinding blanks to the machining diameter of the centerless grinding mechanism 2, the centerless grinding mechanism 2 is provided with a grinding roller set 21, the grinding roller set 21 is used for secondarily grinding a coarsely ground pipe rod, the reducing coarse grinding cones 4 are respectively fixedly connected with two rollers of the grinding roller set 21, the reducing guide cone 3 is rotatably connected right above the two reducing coarse grinding cones 4, and the reducing guide cone 3 is positioned between the two reducing coarse grinding cones 4;

firstly, before the pipe rod is processed, the size of the pipe rod is thicker, mainly because the processing allowance of the ceramic rod is extremely larger than the processing allowance of the metal material, the allowance is a few millimeters or even tens of millimeters, because the pipe rod is influenced by the length and the diameter, the thinner pipe rod is easier to bend, therefore, the device uses the thick diameter of the pipe rod in the earlier stage as a clamping point, the bending condition of the pipe rod under the influence of gravity is smaller than that of the thin diameter processing, at the moment, the pipe rod is firstly subjected to rough processing through a reducing guide cone 3, the pipe rod is positioned through a reducing rough grinding cone 4, the purpose of rough processing is to rapidly shorten the diameter of the pipe rod, the grinding requirement of a centerless grinding mechanism 2 is met, at the moment, the pipe rod processed through a grinding roller set 21 is sent out through a traction plate 9, the length of the thinner pipe rod is bigger and bigger, the length of the thick pipe rod is smaller, and the length of the pipe rod is smaller and bigger, and the stability of the pipe rod is lower at the moment;

the two feeding motion bases 6 are respectively and slidably connected with a feeding plate 8 and a traction plate 9, a plurality of dynamic pipe rod supporting guide rings 7 for guiding the pipe rods are slidably connected between the feeding plate 8 and the processing frame 1 and between the traction plate 9 and the processing frame 1, and the two adjacent dynamic pipe rod supporting guide rings 7 are elastically connected through a distance adjusting spring 73;

at this time, when the pulling plate 9 pulls the pipe rod to move outwards, the dynamic pipe rod supporting guide ring 7 positioned between the pulling plate 9 and the processing rack 1 starts to work, at this time, as the movement position of the pulling plate 9 increases, when the pipe rod is pulled out of the processing rack 1, the dynamic pipe rod supporting guide ring 7 is influenced by displacement and the elastic reset of the distance adjusting spring 73 on the hidden sliding block 72, the distance between two adjacent dynamic pipe rod supporting guide rings 7 is gradually increased, point positions of the dynamic pipe rod supporting guide rings 7 start to be dispersed until the pipe rod processing is completed, at this time, the distance adjusting spring 73 elastically resets to the original length, the position of the dynamic pipe rod supporting guide ring 7 is fixed, the mode can dynamically change the supporting point position of the pipe rod in time as the stretching length of the pipe rod increases, the dynamic change has the advantages of being more flexible in use, simultaneously, the pulling mechanism can fix the pipe rod from the initial stage and can not be influenced by the elastic reset of the dynamic pipe rod supporting guide ring 72, the feeding plate 8 and the pulling plate 9 are influenced by the guide of the moving sliding groove 62, and the feeding plate 8 can not axially shift synchronously;

the machining frame 1 is provided with a taper detection mechanism 5, and the taper detection mechanism 5 is positioned between the diameter-reduced guide cone 3 and the diameter-reduced rough grinding cone 4 and is used for detecting the size of each point position of the pipe rod after being machined by the diameter-reduced rough grinding cone 4;

the taper detection mechanism 5 is mainly used for detecting the pipe rod, in the pipe rod diameter reduction process, the diameter reduction condition of each point position of the pipe rod is detected, the processing state of the diameter reduction section is detected, and when abnormality occurs, for example, the pipe rod is bent or the taper of the pipe rod is not matched with the taper of the diameter reduction rough grinding cone 4 and the taper of the diameter reduction guide cone 3, at the moment, the margin range is very large at the stage, so that the equipment can be checked to achieve the purpose of remedy after timely reminding;

the two ends of the processing frame 1 are fixedly connected with a vertical frame 11, the ends of the diameter-reducing guide cone 3 and the diameter-reducing coarse grinding cone 4 are rotatably connected with the vertical frame 11, and the vertical frame 11 is provided with a round hole for a pipe rod to enter; the vertical frame 11 is connected with the ends of the diameter-reduced guide cone 3 and the diameter-reduced coarse grinding cone 4, so that both ends of the diameter-reduced guide cone 3 and the diameter-reduced coarse grinding cone 4 are supported, and the rotation stability of the diameter-reduced guide cone 3 and the diameter-reduced coarse grinding cone 4 is improved;

two symmetrically distributed sliding brackets 71 are fixedly connected to the periphery of the dynamic pipe rod supporting guide ring 7, two moving sliding grooves 62 are formed in the surface of the feeding moving base 6, hidden sliding blocks 72 are fixedly connected to the bottom of the sliding brackets 71, and a distance adjusting spring 73 is fixedly connected between two adjacent hidden sliding blocks 72 along the long side of the feeding moving base 6;

the sliding support 71 is mainly used for lifting the height of the dynamic pipe rod supporting guide ring 7, so that the dynamic pipe rod supporting guide ring 7 can be positioned at the processing height, the moving chute 62 is used for sliding and limiting the hidden sliding blocks 72 at the bottom end of the sliding support 71, the distance adjusting springs 73 are positioned in the sliding support 71, the distance adjusting springs 73 are hidden, and a certain distance is reserved when the distance adjusting springs 73 are compressed to the limit, so that the distance adjusting springs 73 with the compression limit can be received in the hidden sliding blocks 72 in an opening mode, and the minimum distance between the two hidden sliding blocks 72 is reduced;

the top surface of the feeding motion base 6 is provided with a dynamic chute 61, the feeding plate 8 and the traction plate 9 are in sliding connection in the dynamic chute 61, wherein the traction plate 9 provides driving power through a driver 63 at the tail end of the feeding motion base 6, and the traction plate 9 is driven to move back and forth on the feeding motion base 6 through a driving screw 631;

the dynamic chute 61 guides the feeding plate 8 and the traction plate 9, the feeding plate 8 moves along with the movement of the traction plate 9, and the traction plate 9 slides in the dynamic chute 61 by being in transmission fit with the driving screw 631 and providing power through the driver 63;

the top of the coreless grinding mechanism 2 is fixedly connected with a sealing cover 22, the sealing cover 22 is positioned above the grinding roller set 21, the end part of the grinding roller set 21 and the end part of the sealing cover 22 are both provided with transition detection rollers 23, the grinding roller set 21 is fixedly connected with the diameter-reduced rough grinding cone 4 through the transition detection rollers 23, and the transition detection rollers 23 positioned at one end of the sealing cover 22 are fixedly connected with the diameter-reduced guide cone 3;

the sealing cover 22 can avoid the adverse effect of dust and particles entering the inside on the processing of the pipe rod, and the main purpose of the transition detection roller 23 is to make the pipe rod have a transition area, wherein the pipe rod is processed in the grinding roller set 21, and the taper detection mechanism 5 can still detect the pipe rod in the transition area, so as to further control the quality;

the taper detection mechanism 5 comprises a connecting bracket 51 and a plurality of equally-distributed guide pipes 52 fixedly connected to the connecting bracket 51, a marking rod 54 is slidably connected in the guide pipes 52, and the end part of the marking rod 54 is rotatably connected with a contact ball 53; when the contact ball 53 contacts with the inclined surface of the pipe rod, the contact ball can rotate, the surface of the pipe rod is not influenced, the connecting bracket 51 mainly provides a sliding space for the guide pipe 52, the marking rod 54 can slide in the guide pipe 52, a spring can be arranged in the guide pipe 52, and a position sensor is arranged at the same time, so that the movement amplitude of the marking rod 54 is detected, and the function of monitoring the conical surface of the pipe rod is realized;

the top of the feeding plate 8 is fixedly connected with two feeding brackets 81, a storage fixed tube 82 is fixedly connected between the two feeding brackets 81, an extension rotating rod 83 is rotationally connected to the storage fixed tube 82, and a feeding clamp 84 is fixedly connected to the end part of the extension rotating rod 83;

because the feeding plate 8 needs to continue to convey the tail end of the pipe rod when moving, at this moment, the extending rotating rod 83 can send the pipe rod out from the storage centering pipe 82 through the centerless grinding mechanism 2, if the feeding clamp 84 aims at a pipeline, at this moment, the feeding clamp 84 clamps the pipeline by adopting the pipe, the clamping plate is outwards spread to fix the pipeline by the chuck, if the structure of the rod is adopted, at this moment, at least two fixing holes are formed at two ends of the rod by adopting the surface fixing, the fixing holes are directly fixed on the disc of the feeding clamp 84, and the diameter of the feeding clamp 84 is smaller than the final processed outer diameter of the pipe rod;

the top of the traction plate 9 is fixedly connected with a traction bracket 91, one side of the traction bracket 91 is rotatably connected with a traction rotating rod 92, the end part of the traction rotating rod 92 is fixedly connected with a traction clamp holder 93, the length of the traction rotating rod 92 is equal to that of the extension rotating rod 83, and the length of the traction rotating rod 92 is larger than the sum of the lengths of the grinding roller group 21 and the reducing rough grinding cone 4;

the traction plate 9 mainly enters between the centerless grinding mechanism 2 and the reducing guide cone 3 through the traction bracket 91, the use mode and the selection mode of the traction clamp holder 93 and the feeding clamp holder 84 are consistent, the length of the traction rotating rod 92 is equal to that of the extension rotating rod 83, and the length of the traction rotating rod 92 is larger than the sum of the lengths of the grinding roller group 21 and the reducing coarse grinding cone 4, so that the pipe rod can be ensured to be completely sent out from the centerless grinding mechanism 2;

the application method of the invention comprises the following steps: and (2) mounting: the traction plate 9 drives the driving screw rod 631 to rotate through the driver 63, so that the traction rotating rod 92 passes through the centerless grinding mechanism 2 and the reducing guide cone 3, at the moment, the dynamic pipe rod supporting guide ring 7 is compressed in front of the traction plate 9, at the moment, the feeding plate 8 slides out of the feeding motion base 6, the pipe rod rough blank passes through the dynamic pipe rod supporting guide ring 7 to be fixed at the traction clamp holder 93, at the moment, the feeding plate 8 is reset, and the other end of the pipe rod is fixed with the feeding clamp holder 84; processing: along with the traction plate 9 drives the pipe rod to stretch, the pipe rod is too thick at this moment, the pipe rod is longer at this moment, but the bending change influenced by gravity is lower, simultaneously a plurality of dynamic pipe rod support guide rings 7 are utilized to support in a dispersed mode, the stability of the pipe rod in the rotation axial direction is guaranteed, at this moment, the pipe rod is rapidly processed through the reducing rough grinding cone 4 by the traction plate 9, the processing state of the reducing rough grinding cone 4 is detected through the taper detection mechanism 5, after the pipe rod diameter after passing through the reducing rough grinding cone 4 is reduced, the pipe rod enters the grinding roller group 21 for secondary grinding, the length of the thick-diameter pipe rod clamped at the feeding plate 8 is reduced along with the increase of time, at this moment, the length of the thin-diameter pipe rod at the traction plate 9 is increased, at this moment, the dynamic pipe rod support guide rings 7 are influenced by the sliding of the traction plate 9, the distance adjusting springs 73 push the dynamic pipe rod support guide rings 7 to reset, the pipe rod is supported in a dispersed mode, the influence of gravity on the pipe rod is counteracted, after the feeding clamp 84 processes the frame 1, and the pipe rod is fed out in the processing frame 1, and the processing is completed.

The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a manufacturing installation of ceramic tube stick of super high straightness accuracy concentricity which characterized in that: comprises a processing machine frame (1) and feeding motion bases (6) fixedly connected to two ends of the processing machine frame (1);

the machining machine is characterized in that a coreless grinding mechanism (2), a reducing guide cone (3) and reducing coarse grinding cones (4) are arranged on the machining frame (1), the number of the reducing coarse grinding cones (4) is two and used for coarsely grinding blanks to the machining diameter of the coreless grinding mechanism (2), a grinding roller set (21) is arranged on the coreless grinding mechanism (2) and used for secondarily grinding a coarsely ground pipe rod, the reducing coarse grinding cones (4) are fixedly connected with two rollers of the grinding roller set (21) respectively, the reducing guide cones (3) are rotatably connected right above the two reducing coarse grinding cones (4), and the reducing guide cones (3) are located between the two reducing coarse grinding cones (4); the two feeding motion bases (6) are respectively and slidably connected with a feeding plate (8) and a traction plate (9), a plurality of dynamic pipe rod supporting guide rings (7) for guiding the pipeline are slidably connected between the feeding plate (8) and the processing rack (1) and between the traction plate (9) and the processing rack (1), and two adjacent dynamic pipe rod supporting guide rings (7) are elastically connected through a distance adjusting spring (73); the machining frame (1) is provided with a taper detection mechanism (5), and the taper detection mechanism (5) is positioned between the diameter-reducing guide cone (3) and the diameter-reducing coarse grinding cone (4) and is used for detecting the point position size of a pipeline after being machined by the diameter-reducing coarse grinding cone (4);

two symmetrically distributed sliding brackets (71) are fixedly connected to the periphery of the dynamic pipe rod supporting guide ring (7), two moving sliding grooves (62) are formed in the surface of the feeding moving base (6), hidden sliding blocks (72) are fixedly connected to the bottom of the sliding brackets (71), and distance adjusting springs (73) are fixedly connected between two adjacent hidden sliding blocks (72) along the long side of the feeding moving base (6);

the top surface of the feeding motion base (6) is provided with a dynamic chute (61), the feeding plate (8) and the traction plate (9) are in sliding connection with the inside of the dynamic chute (61), wherein the traction plate (9) provides driving power through a driver (63) at the tail end of the feeding motion base (6), and the traction plate (9) is driven to move back and forth on the feeding motion base (6) through a driving screw rod (631); the feeding device is characterized in that two feeding brackets (81) are fixedly connected to the top of the feeding plate (8), a storage fixed pipe (82) is fixedly connected between the two feeding brackets (81), an extension rotating rod (83) is rotationally connected to the storage fixed pipe (82), and a feeding clamp (84) is fixedly connected to the end part of the extension rotating rod (83).

2. The device for manufacturing the ceramic pipe rod with ultrahigh straightness concentricity according to claim 1, wherein the device comprises the following components: the two ends of the processing frame (1) are fixedly connected with vertical frames (11), the ends of the diameter-reducing guide cone (3) and the diameter-reducing coarse grinding cone (4) are rotationally connected with the vertical frames (11), and round holes for pipe sticks to enter are formed in the vertical frames (11).

3. The device for manufacturing the ceramic pipe rod with ultrahigh straightness concentricity according to claim 1, wherein the device comprises the following components: the top fixedly connected with closing cap (22) of centerless grinding mechanism (2), closing cap (22) are located the top of grinding roller group (21), the tip of grinding roller group (21) and the tip of closing cap (22) all are provided with transition detection roller (23), grinding roller group (21) with pass through transition detection roller (23) fixed connection between the thick grinding cone of reducing (4), be located transition detection roller (23) of closing cap (22) one end with reducing direction awl (3) fixed connection.

4. The device for manufacturing the ceramic pipe rod with ultrahigh straightness concentricity according to claim 1, wherein the device comprises the following components: the taper detection mechanism (5) comprises a connecting support (51) and a plurality of guide pipes (52) which are fixedly connected to the connecting support (51) and distributed at equal intervals, a marking rod (54) is connected in a sliding mode in the guide pipes (52), and the end portion of the marking rod (54) is connected with a contact ball (53) in a rotating mode.

5. The device for manufacturing the ceramic pipe rod with ultrahigh straightness concentricity according to claim 1, wherein the device comprises the following components: the top fixedly connected with traction support (91) of traction plate (9), one side rotation of traction support (91) is connected with traction rotation pole (92), the tip fixedly connected with of traction rotation pole (92) pulls holder (93), traction rotation pole (92) with the length that extends rotation pole (83) equals, the length of traction rotation pole (92) is greater than grinding roller group (21) with the length sum of reducing thick cone (4).

6. A method for using the device for manufacturing the ceramic pipe rod with the ultra-high straightness concentricity according to any one of claims 1 to 5, which is characterized in that: the traction plate (9) drives the driving screw rod (631) to rotate through the driver (63), so that the traction rotating rod (92) passes through the centerless grinding mechanism (2) and the reducing guide cone (3), the dynamic pipe rod supporting guide ring (7) is compressed in front of the traction plate (9), the feeding plate (8) slides out of the feeding motion base (6) at the moment, the pipe rod rough blank passes through the dynamic pipe rod supporting guide ring (7) to be fixed at the traction clamp holder (93), and the feeding plate (8) is reset at the moment, so that the other end of the pipe rod is fixed with the feeding clamp holder (84); along with haulage plate (9) drive the pipe stick tensile, the pipe stick is because the diameter is too thick this moment, the pipe stick is longer this moment, but receive the crooked change that gravity influences is lower, utilize a plurality of developments pipe stick to support guide ring (7) dispersion support simultaneously, guarantee pipe stick pivoted axial stability, this moment haulage plate (9) are with the quick processing of pipe stick through reducing thick cone (4), detect the processing state of reducing thick cone (4) through tapering detection mechanism (5), make the pipe stick diameter after reducing thick cone (4) reduce, get into the inside of grinding roller group (21) and grind for the second time, increase along with time, the thick diameter pipe stick length of feed plate (8) centre gripping reduces this moment, the thin diameter pipe stick length of haulage plate (9) department increases this moment, dynamic pipe stick supports guide ring (7) and receives the slip influence of haulage plate (9), distance spring (73) promote dynamic pipe stick to support guide ring (7) to reset, the pipe stick carries out dispersion support, offset the influence of gravity to the pipe stick, send out the frame (1) and process in the frame after feeding clamp (84) and send out processing frame (1) and finish deep processing.

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