CN110814911B

CN110814911B - An automatic deburring equipment for the outer circle of a steel pipe port

Info

Publication number: CN110814911B
Application number: CN201911134740.3A
Authority: CN
Inventors: 王吉星; 张彬
Original assignee: Zhejiang Lichuang Luggage Accessories Co ltd
Current assignee: Zhejiang Lichuang luggage accessories Co.,Ltd.
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2021-05-04
Anticipated expiration: 2039-11-19
Also published as: CN110814911A

Abstract

The invention relates to an automatic deburring equipment for the outer circle of a steel pipe port, comprising a frame, a feeding assembly, a clamping rotating part, a limit assembly, a grinding assembly, a discharging assembly and a driving assembly; the grinding assembly includes a fixed block, a port Grinding plate, cylindrical grinding plate; powered by the driving component, the steel pipe conveyed by the feeding component is clamped and driven to rotate by the clamping rotating part in cooperation with the limiting component arranged on the inner wall of the frame, and in the process of rotation The burrs at the port of the steel pipe are ground through the port grinding plate, and the positions of both ends of the steel pipe are restricted by the port grinding plate, and the steel pipe is cleaned by the outer circular grinding plate vertically arranged on the outer ring of the port grinding plate during the rotation. The outer circle of the port is ground, and the friction force generated by the contact between the outer circle grinding plate and the outer circle of the steel pipe port makes the steel pipe rotate relatively in the clamping block, so that the steel pipe port and the outer circle of the port are more fully and uniformly ground.

Description

Automatic deburring equipment for outer circle of steel pipe port

Technical Field

The invention relates to the technical field of steel pipe machining, in particular to automatic deburring equipment for an excircle of a port of a steel pipe.

Background

The steel pipe is used in many occasions as a common material, the cross section of the steel pipe needs to be cut in the manufacturing process of the steel pipe, burrs are formed on the excircle of the port of the cut steel pipe, the burrs affect the quality and the appearance of the steel pipe, and the effect of assembling the steel pipe and other structures in practical application is affected; therefore, after the steel pipe is cut, the excircle of the port of the steel pipe needs to be polished, and burrs generated during cutting are completely processed, so that the excircle of the port of the steel pipe is tidy and smooth; the existing polishing mode of the excircle of the port of the steel pipe mainly comprises two methods, one is that a worker holds a handheld polishing machine with one hand and holds the steel pipe with the other hand, and rotates the steel pipe with the hand to match with the handheld polishing machine on the other hand to polish a circle of the excircle of the port of the steel pipe; the other method is that a vertical polishing device worker only needs to hold the steel pipe by hand and then rotates the steel pipe to match with the vertical polishing device to polish the excircle of the port of the steel pipe; however, the two methods have some problems, one of which is very low in automation degree, time-consuming and labor-consuming, not only increases the labor intensity of workers and the production cost, but also is very low in production efficiency; the two-way grinding machine can cause the condition of uneven force application through manual operation, and cannot ensure that the grinding uniformity of the excircle of the port of the steel pipe influences the quality of a product; thirdly, the vertical polishing equipment can generate vibration to affect the polishing precision and quality in the polishing process by adopting the second method.

The steel pipe end face grinding machine disclosed by the Chinese patent application No. CN201811237215.X comprises a rack, wherein a clamp holder and a grinder are arranged on the rack, a transverse guide rail is further arranged on the rack, a sliding seat is arranged on the transverse guide rail, a longitudinal guide rail is arranged on the sliding seat, a sliding frame is arranged on the longitudinal guide rail, and the grinder is fixed on the sliding frame. Compared with the prior art that the clamp holder clamps the steel pipe, the scheme can ensure that the sander transversely and longitudinally moves relative to the end surface of the steel pipe by moving the sliding seat and the sliding frame, thereby conveniently carrying out sanding operation on the end surface of the steel pipe,

in addition, the arrangement of the sliding seat and the sliding frame ensures that the end face of the steel pipe is high in polishing precision, and the polishing precision of the end face of the steel pipe is improved; this equipment can not realize automatic feeding, polish, ejection of compact automated production process as an organic whole, and can only polish steel pipe one end earlier when polishing, so the efficiency of polishing of steel pipe is not high in actual production process, and this equipment can only polish the terminal surface of steel pipe and can't polish so the practicality to the excircle of port not perfect enough.

Disclosure of Invention

Aiming at the defects of the prior art, the steel pipe is driven to rotate by the clamping rotating part, the steel pipe is limited by the clamping rotating part and is allowed to rotate relative to the clamping block and the grinding assembly in the rotating process along with the clamping rotating part by matching with the grinding assembly arranged on the inner wall of the rack and the clamping block of the clamping rotating part, so that the cross section of the port of the steel pipe and the excircle at the port of the steel pipe are accurately and uniformly ground and deburred, and the excircle at the port of the steel pipe is polished; the automatic feeding, automatic polishing and automatic discharging automatic feeding and polishing device has the advantages that the automatic feeding, automatic polishing and automatic discharging automatic working process of the steel pipes is realized through an ingenious design structure, the labor intensity of workers is greatly reduced, and the polishing and processing efficiency of the steel pipes is improved.

Aiming at the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides an automatic burring equipment of steel pipe port excircle which characterized in that includes:

a frame;

the feeding assembly is arranged at the upper end part of the rack and comprises a first transmission assembly, a feeding box arranged on the inner wall of the rack, a feeding roller which is positioned below the feeding box and is rotatably arranged on the inner wall of the rack, and a feeding frame arranged at the bottom of the feeding box;

the clamping rotating part is arranged below the feeding frame and comprises a main shaft, a positioning sleeve, connecting rods, a connecting plate, positioning rods and clamping assemblies, wherein the main shaft is rotatably installed on the inner wall of the frame, the positioning sleeve is coaxially arranged with the main shaft and is installed on the main shaft through a plurality of supporting plates, the connecting rods are vertically symmetrical and are slidably installed on the supporting plates, the connecting plates are located at the end parts of the connecting rods and are slidably installed on the main shaft, the positioning rods are located at the two end parts of the positioning sleeve and are vertically symmetrically installed on the main shaft and the positioning sleeve, and the clamping assemblies are vertically symmetrically arranged on the; the two end parts of the connecting plate are respectively connected with the end parts of connecting rods which are symmetrically arranged up and down, and the first transmission assembly is arranged at one end of the feeding roller and one end of the main shaft;

the limiting assembly is coaxially arranged with the positioning sleeve and comprises limiting mechanisms which are bilaterally symmetrically arranged on the two inner walls of the rack and guide rods which are vertically symmetrically arranged at the two ends of the connecting plate, and the limiting mechanism comprises a limiting block and a guide block arranged at the end part of the limiting block;

the polishing assemblies are arranged at the two ends of the positioning sleeve in a bilateral symmetry mode and are coaxial with the main shaft, the polishing assemblies comprise port polishing plates which are installed on the inner wall of the rack through a plurality of fixing blocks and outer circle polishing plates which are vertically arranged on the outer rings of the port polishing plates, and the distance between the symmetrically arranged port polishing plates is matched with the length size of the steel pipe;

the discharging assembly is arranged below the clamping rotating part and comprises a buffer mechanism arranged right below the positioning sleeve, conveying rollers which are positioned on one side of the buffer mechanism and are symmetrically arranged on the two inner walls of the rack in a front-back rotating mode, and a conveying belt which is rotatably arranged on the conveying rollers;

drive assembly, drive assembly includes relative first transmission assembly setting and is in the opposite side of frame and with the biax motor and the second transmission assembly that the main shaft is connected, second transmission assembly installs the one end of biax motor and transfer roller.

Preferably, guide holes are symmetrically formed in the upper part and the lower part of the supporting plate, and the connecting rod is slidably mounted in the guide holes; locating holes are symmetrically formed in the two ends of the connecting rod, and the locating holes are slidably mounted on the locating rods.

Preferably, the cylinder wall of the positioning sleeve is provided with a plurality of through holes which are vertically symmetrical and start to be arranged at equal intervals along the axial direction of the positioning sleeve, and the clamping assembly comprises a pull rod arranged on the connecting rod and positioned in the through holes, clamping blocks hinged and symmetrically arranged at the end parts of the pull rod, and springs a connecting the bottoms of the clamping blocks and the inner walls of the through holes.

Preferably, the clamping blocks form a circular clamping space after clamping, the size of the clamping space is matched with the size of the cross section of the steel pipe, and the steel pipe can rotate in the clamping space.

As a preferred, the bottom central point of material loading case puts and has seted up the material loading mouth along its length direction, on the material loading roller and be located also seted up along its length direction under the material loading mouth and connect the silo, the material loading mouth with connect the size of silo and the size looks adaptation of steel pipe.

Preferably, the bottom of the feeding box is symmetrically provided with inclined plates at two sides of the feeding opening.

Preferably, the feeding frame comprises a limiting ring and a guide frame, the limiting ring and the feeding roller are coaxial and are arranged on the outer ring of the feeding roller, the guide frame is arranged at the bottom of the limiting ring and is communicated with the limiting ring, and the center position of the guide frame and the center position of the positioning sleeve are on the same vertical plane.

Preferably, the grinding assembly and the limiting assembly are arranged on the same side of the inner wall of the rack.

Preferably, the buffer mechanism includes a spring b disposed at the bottom of the frame, and a buffer plate mounted at an upper end of the spring b.

Preferably, the width of the upper end of the clamping block is larger than the diameter of the through hole, and the height of the conveyor belt in the vertical direction is lower than the height of the lower end of the buffer plate.

The invention has the beneficial effects that:

(1) the steel pipe clamping and rotating mechanism comprises a clamping rotating part, a limiting component, a grinding component, a polishing component, a discharging component and a driving component, wherein the clamping rotating part is arranged on the inner wall of a machine frame, the limiting component is arranged on the inner wall of the machine frame, the clamping rotating part is matched with the limiting component, the driving component is arranged on the clamping rotating part, the clamping rotating part is matched with the limiting component, the limiting component is arranged on the inner wall of the machine frame, the grinding component is arranged on the outer circle of the steel pipe, the grinding component is arranged on the outer.

(2) The polishing assembly comprises a fixed block, a port polishing plate and an outer circle polishing plate, the position of the steel pipe in the horizontal direction is limited by the port polishing plate, the port of the steel pipe is polished, and the outer circle polishing plate vertically arranged on the outer circle of the port polishing plate is in contact with the outer circle of the port of the steel pipe to generate friction, so that the outer circle of the port of the steel pipe is polished.

(3) The clamping space formed by the clamping blocks after clamping is matched with the section size of the steel pipe, and the steel pipe rotates in the clamping blocks by the friction force generated by the excircle grinding plate and the excircle at the end opening of the steel pipe and the rotation of the clamping rotating part, so that the end opening and the excircle of the end opening can be completely and uniformly ground by matching with the grinding assembly, and the quality of the steel pipe is improved.

(4) The buffer mechanism comprises a spring b and a buffer plate, the processed steel pipe line falls onto the buffer plate, the impact force of the steel pipe in the vertical direction is offset by the spring b, and the steel pipe slides onto the conveyor belt and is conveyed out.

(5) The double-shaft motor directly drives the main shaft to rotate and synchronously drives the feeding assembly and the discharging assembly to work through the first transmission assembly and the second transmission assembly, so that each working link of the equipment is staged, the energy consumption of the equipment is reduced, and the structure of the equipment is more stable and reliable.

(6) When the direct drive main shaft rotates, the first transmission assembly and the second transmission assembly are driven to drive the feeding part and the discharging assembly to work synchronously, so that energy consumption is saved, synchronous motion of the feeding part and the discharging assembly is realized, and the influence of vibration generated by equipment on the polishing quality of the steel pipe in the working process is avoided due to the stability of the structure.

(7) The inclined plate is arranged at the bottom of the feeding box, a steel pipe in the feeding box can slide to the through hole at the bottom of the feeding box along the inclined plate through automatic gravity by utilizing the inclined plate, and the steel pipe is conveyed to the clamping block of the clamping assembly by matching with the feeding roller and the feeding frame, so that the automatic feeding of the steel pipe is realized.

In conclusion, the automatic feeding device is ingenious in structural design and high in working efficiency, reduces the labor intensity of workers, and improves the automation degree of equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an automatic deburring device for an excircle of a steel pipe port in a first embodiment of the invention;

FIG. 2 is a schematic structural diagram of an elevation view of an automatic deburring device for an excircle of a port of a steel pipe in the invention;

FIG. 3 is a schematic side elevation view of an automatic deburring device for the excircle of a steel pipe port in the invention;

FIG. 4 is a schematic structural view of a loading assembly according to the present invention;

FIG. 5 is a schematic structural view of a connecting rod according to the present invention;

FIG. 6 is a schematic diagram of a sanding assembly according to the present invention;

Detailed Description

The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.

Example one

As shown in fig. 1 to 6, an automatic deburring apparatus for an outer circle of a steel pipe port includes:

a frame 1;

the feeding assembly 2 is arranged at the upper end part of the rack 1 and comprises a first transmission assembly, a feeding box 22 arranged on the inner wall of the rack 1, a feeding roller 23 which is positioned below the feeding box 22 and is rotatably arranged on the inner wall of the rack 1, and a feeding frame 24 arranged at the bottom of the feeding box 22;

the clamping and rotating part 3 is arranged below the feeding frame 24 and comprises a main shaft 31 rotatably mounted on the inner wall of the rack 1, a positioning sleeve 33 coaxially arranged with the main shaft 31 and mounted on the main shaft 31 through a plurality of supporting plates 32, connecting rods 34 vertically and symmetrically mounted on the supporting plates 32 in a sliding manner, a connecting plate 35 positioned at the end part of the connecting rod 34 and mounted on the main shaft 31 in a sliding manner, positioning rods 36 positioned at the two end parts of the positioning sleeve 33 and mounted on the main shaft 31 and the positioning sleeve 33 vertically and symmetrically, and clamping assemblies 37 vertically and symmetrically arranged on the connecting rods 34; the two end parts of the connecting plate 35 are respectively connected with the end parts of connecting rods 34 which are symmetrically arranged up and down, and the first transmission assembly is arranged at one end of the feeding roller 23 and one end of the main shaft 31;

the limiting assembly 4 is coaxially arranged with the positioning sleeve 33, and comprises limiting mechanisms 41 which are bilaterally symmetrically arranged on the two inner walls of the rack 1 and guide rods 42 which are vertically symmetrically arranged at the two ends of the connecting plate 35, wherein the limiting mechanism 41 comprises a limiting block 411 and a guide block 412 arranged at the end part of the limiting block 411;

the polishing assemblies 5 are arranged at two ends of the positioning sleeve 33 in a bilateral symmetry mode and are coaxial with the main shaft 31, each polishing assembly 5 comprises a port polishing plate 52 installed on the inner wall of the rack 1 through a plurality of fixing blocks 51 and an outer circle polishing plate 53 vertically arranged on the outer circle of the port polishing plate 52, and the distance between the symmetrically arranged port polishing plates 52 is matched with the length size of the steel pipe;

the discharging assembly 6 is arranged below the clamping and rotating part 3, and comprises a buffer mechanism 61 arranged right below the positioning sleeve 33, conveying rollers 62 which are positioned on one side of the buffer mechanism 61 and are symmetrically arranged on the two inner walls of the rack 1 in a front-back rotating mode, and a conveying belt 63 rotatably arranged on the conveying rollers 62;

drive assembly 7, drive assembly 7 includes relative first transmission assembly setting and is in the opposite side of frame 1 and with biax motor 71 and the second transmission assembly that main shaft 31 is connected, the second transmission assembly is installed biax motor 71 and the one end of transfer roller 62.

Further, as shown in fig. 2, 3 and 5, guide holes 321 are symmetrically formed in the support plate 32 in the up-down direction, and the connecting rod 34 is slidably mounted in the guide holes 321; positioning holes 341 are symmetrically formed in two ends of the connecting rod 34, and the positioning holes 341 are slidably mounted on the positioning rod 36; the positioning hole 341 is vertically and slidably fitted on the positioning rod 36 and fitted with the guiding hole 321 of the supporting plate 32, so that the connecting rod 34 can vertically slide along the guiding hole 321 and the positioning hole 341 and drive the clamping assembly 37 to move up and down by rotatably fitting the limiting assembly 4 with the positioning sleeve 33.

Further, as shown in fig. 2 and 3, the cylinder wall of the positioning sleeve 33 has a plurality of through holes 331 which are vertically symmetrical and have equal distance along the axial direction thereof, the clamping assembly 37 includes a pull rod 371 which is arranged on the connecting rod 34 and is located in the through hole 331, clamping blocks 372 which are hinged and symmetrically arranged at the end portions of the pull rod 371, and a spring a373 which connects the bottom of the clamping block 372 and the inner wall of the through hole 331; the connecting rod 34 drives the clamping assembly 37 to move towards the spindle 31 along the guide hole 321 and is matched with the through hole 331 in the positioning sleeve 33 to limit the clamping block 372 to control the clamping of the clamping block 372, and after the clamping block 372 is loosened, the clamping assembly 37 is reset through the elastic force of the spring a 373.

Further, as shown in fig. 2 and 3, the clamp block 372 forms a circular clamp space 3721 after being clamped, the size of the clamp space 3721 is matched with the size of the cross section of the steel pipe, the steel pipe can rotate in the clamp space 3721, the steel pipe is limited in the horizontal direction through the polishing assembly 5 and contacts with the excircle of the port of the steel pipe to generate friction, and in the process that the steel pipe rotates along with the clamp assembly 37, the steel pipe rotates in the clamping space by generating friction in cooperation with the contact of the excircle of the port of the steel pipe, so that the contact area between the excircle of the port of the steel pipe and the polishing assembly 5 is uniform, and the polishing effect is better.

Further, as shown in fig. 4, a feeding port 221 is formed in the center of the bottom of the feeding box 22 along the length direction of the feeding port, a receiving groove 231 is formed in the feeding roller 23 and located right below the feeding port 221 along the length direction of the feeding port, and the sizes of the feeding port 221 and the receiving groove 231 are matched with the size of the steel pipe.

Further, as shown in fig. 4, inclined plates 222 are symmetrically arranged at the bottom of the feeding box 22 and at two sides of the feeding opening 221; the inclined plate 222 is provided to make the steel pipe in the feeding box 22 slide down to the through hole 331 along the inclined plate 222 by its own weight, enter the receiving groove 231 from the through hole 331 and transfer the steel pipe to the clamping block 372 of the clamping assembly 37 through the feeding roller 23 and the feeding frame 24.

Further, as shown in fig. 4, the feeding frame 24 includes a limiting ring 241 and a guide frame 242, the limiting ring 241 is coaxial with the feeding roller 23 and is disposed on an outer ring of the feeding roller 23, the guide frame 242 is disposed at the bottom of the limiting ring 241 and is communicated with the limiting ring 241, and a central position of the guide frame 242 and a central position of the positioning sleeve 33 are on the same vertical plane; the limiting ring 241 is used for preventing the steel pipe from falling out of the material receiving groove 231 when the feeding roller 23 drives the steel pipe to rotate.

Further, as shown in fig. 3, 4 and 6, the grinding assembly 5 and the limiting assembly 4 are arranged on the same side of the inner wall of the frame 1, so that the grinding assembly 5 can grind the steel pipe in the process of rotating along with the clamping assembly 37.

Further, as shown in fig. 2 and 3, the buffer mechanism 61 includes a spring b611 disposed at the bottom of the frame 1, and a buffer plate 612 mounted at the upper end of the spring b 611; need export when the steel pipe is polished the completion back, directly put down the steel pipe through the restoration of centre gripping subassembly 37, can make the steel pipe produce the impact force like this in vertical direction, be provided with buffer gear 61 and then can offset this impact force, avoid influencing the quality of steel pipe.

Further, as shown in fig. 3, the width of the upper end of the clamping block 372 is larger than the diameter of the through hole 331, and the height of the conveyor belt 63 in the vertical direction is lower than the height of the lower end of the buffer plate 612; the clamping block 372 is driven by the pull rod 371 to move when the connecting rod 34 moves towards the main shaft 31 along the guide hole 321, the clamping block 372 is clamped in the through hole 331 to enable the clamping block 372 to clamp and form a clamping space 3721, and the position of the steel pipe is limited by the clamping space 3721.

Further, as shown in fig. 2, the first transmission assembly and the second transmission assembly are both preferably in a belt transmission manner; the first transmission assembly comprises a transmission wheel a211 arranged at the end part of the feeding roller 23, a transmission wheel b212 arranged at one end of the main shaft 31, and a transmission belt a213 rotatably arranged on the transmission wheel a211 and the transmission wheel b 212; the second transmission assembly comprises a transmission wheel c721 arranged at one end of the double-shaft motor 71, a transmission wheel d722 arranged at one end of the conveying roller 62, and a transmission belt b723 rotatably arranged on the transmission wheel c721 and the transmission wheel d 722.

The working process is as follows: firstly, a worker starts the equipment, the double-shaft motor 71 provides power to drive the main shaft 31 to rotate, the feeding roller 23 is synchronously driven to rotate through the first transmission assembly, and the steel pipes falling from the feeding box 22 onto the feeding roller 23 are conveyed onto the clamping blocks 372 of the clamping assembly 37 by matching with the feeding frame 24; the support plate 32 and the positioning sleeve 33 are driven to rotate by the rotation of the main shaft 31, the connecting rod 34 which is slidably mounted on the support plate 32 and the positioning rod 36 and the clamping component 37 on the connecting rod 34 are driven to rotate together, in the rotating process, the connecting rod 34 moves towards the main shaft 31 along the guide hole 321 through the connecting plate 35 and the guide rod 42 which are arranged at the end part of the connecting rod 34 and are matched with the limiting mechanism 41 arranged on the inner wall of the frame 1, the clamping component 37 is driven to move, so that the clamping block 372 is matched with the through hole 331 on the cylinder wall of the positioning sleeve 33 to form a clamping space 3721 to clamp the steel pipe, the port grinding plate 52 in the grinding component 5 is continuously rotated and matched to grind two ports of the steel pipe and limit the position of the steel pipe, the excircle of the port of the steel pipe is ground and polished by the excircle grinding plate 53 which is vertically arranged on the outer, the steel pipe rotates in a clamping space 3721 formed by the clamping blocks 372 through the friction force generated by contact, and the grinding of the end opening and the excircle of the end opening is more uniform; after finishing polishing, the clamping assembly 37 also rotates to the discharging station and is moved out of the limiting mechanism 41 through the guide rod 42, the connecting rod 34, the pull rod 371 and the clamping block 372 reset under the action of the spring a373, then the clamping block 372 releases the steel pipe and falls into the discharging assembly 6 through the self-gravity steel pipe, the downward impact force of the steel pipe is buffered by the buffer mechanism 61 and then slides into the conveying belt 63, power is provided by the double-shaft motor 71, the conveying roller 62 and the conveying belt 63 are synchronously driven by the second transmission assembly to convey the steel pipe to the outside, and then the working process is repeated through the driving of the double-shaft motor 71.

In the present invention, it is to be understood that: the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art can be made without departing from the technical spirit of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. a steel pipe port outer circle automatic deburring equipment, is characterized in that, comprises:

rack(1);

A feeding assembly (2), the feeding assembly (2) is arranged on the upper end of the frame (1), and comprises a first transmission assembly and a feeding box mounted on the inner wall of the frame (1) (22), a feeding roller (23) located under the feeding box (22) and rotatably mounted on the inner wall of the frame (1), and a feeding roller (23) arranged at the bottom of the feeding box (22) rack (24);

A clamping and rotating part (3) is provided below the feeding rack (24), and the clamping and rotating part (3) includes a main shaft (31) rotatably mounted on the inner wall of the rack (1), A positioning sleeve (33) arranged coaxially with the main shaft (31) and mounted on the main shaft (31) through a plurality of support plates (32) is vertically symmetrical and slidably installed on the support plate (32) A connecting rod (34), a connecting plate (35) located at the end of the connecting rod (34) and slidably mounted on the main shaft (31), located at both ends of the positioning sleeve (33) and a positioning rod (36) symmetrically mounted on the main shaft (31) and the positioning sleeve (33) up and down, and a clamping assembly (37) symmetrically mounted on the connecting rod (34) up and down; the connecting plate The two ends of (35) are respectively connected to the ends of the upper and lower symmetrical connecting rods (34), and the first transmission assembly is installed on one end of the feeding roller (23) and the main shaft (31);

A limit assembly (4), the limit assembly (4) is arranged coaxially with the positioning sleeve (33), and includes a limit mechanism ( 41), and guide rods (42) symmetrically arranged at both ends of the connecting plate (35), the limiting mechanism (41) includes a limiting block (411) and a limiter (411) provided at the end of the limiting block (411) The guide block (412) of the part;

A grinding assembly (5), the grinding assembly (5) is symmetrically arranged at both ends of the positioning sleeve (33) and coaxial with the main shaft (31), and includes a plurality of fixing blocks (51) installed on the A port sanding plate (52) on the inner wall of the frame (1), and an outer circular sanding plate (53) vertically arranged on the outer ring of the port sanding plate (52), the symmetrically arranged port sanding plate (52) ) is adapted to the length of the steel pipe;

A discharge assembly (6), the discharge assembly (6) is arranged below the clamping rotating part (3), and comprises a buffer mechanism (61) arranged directly below the positioning sleeve (33), Conveying rollers (62) located on one side of the buffer mechanism (61) and rotatably mounted on the two inner walls of the frame (1) in front and rear symmetry, and a conveyor belt (63) rotatably mounted on the conveying rollers (62) ;

A drive assembly (7), the drive assembly (7) comprising a biaxial motor (71) disposed on the other side of the frame (1) relative to the first transmission assembly and connected to the main shaft (31), and A second transmission assembly, the second transmission assembly is installed on one end of the biaxial motor (71) and the conveying roller (62).

2 . The automatic deburring equipment for the outer circumference of a steel pipe port according to claim 1 , wherein the support plate ( 32 ) is provided with guide holes ( 321 ) symmetrically up and down, and the connecting rod ( 34 ) slides. 3 . It is installed in the guide hole (321); the two ends of the connecting rod (34) are symmetrically provided with positioning holes (341), and the positioning holes (341) are slidably installed on the positioning rod (36).

3 . The automatic deburring equipment for the outer circumference of a steel pipe port according to claim 2 , wherein the cylindrical wall of the positioning sleeve ( 33 ) is symmetrical up and down along its axis direction, and there are several through holes equidistantly at the beginning. 4 . (331), the clamping assembly (37) includes a pull rod (371) arranged on the connecting rod (34) and located in the through hole (331), hinged and symmetrically arranged on the pull rod (371) A clamping block (372) at the end, and a spring a (373) connecting the bottom of the clamping block (372) and the inner wall of the through hole (331).

4 . The automatic deburring equipment for the outer circumference of a steel pipe port according to claim 3 , wherein the clamping block ( 372 ) forms a circular clamping space ( 3721 ) after clamping, and the clamping block ( 372 ) forms a circular clamping space ( 3721 ). The size of the space (3721) is adapted to the cross-sectional size of the steel pipe, and the steel pipe can rotate in the clamping space (3721).

5 . The automatic deburring equipment for the outer circumference of a steel pipe port according to claim 1 , wherein a feeding port ( 221 ) is provided at the bottom center of the feeding box ( 22 ) along its length direction, so that the A feeding slot (231) is also opened on the feeding roller (23) and located directly below the feeding opening (221) along its length direction, and the feeding opening (221) and the feeding slot (231) The size matches the size of the steel pipe.

6 . The automatic deburring equipment for the outer circumference of a steel pipe port according to claim 5 , wherein the bottom of the feeding box ( 22 ) and located on both sides of the feeding port ( 221 ) are symmetrically provided with 6 . Inclined plate (222).

7 . The automatic deburring equipment for the outer circumference of a steel pipe port according to claim 1 , wherein the feeding frame ( 24 ) comprises a limit ring ( 241 ) and a guide frame ( 242 ), and the limit The ring (241) is coaxial with the feeding roller (23) and is arranged on the outer ring of the feeding roller (23), the guide frame (242) is arranged at the bottom of the limiting ring (241) and is It communicates with the limiting ring (241), and the center position of the guide frame (242) and the center position of the positioning sleeve (33) are on the same vertical plane.

8 . The automatic deburring equipment for the outer circumference of a steel pipe port according to claim 1 , wherein the grinding assembly ( 5 ) and the limiting assembly ( 4 ) are located on the inner wall of the frame ( 1 ). 9 . set on the same side.

9 . The automatic deburring equipment for the outer circumference of a steel pipe port according to claim 3 , wherein the buffer mechanism ( 61 ) comprises a spring b ( 611 ) arranged at the bottom of the frame ( 1 ), and A buffer plate (612) installed on the upper end of the spring b (611).

10. The automatic deburring equipment for the outer circumference of a steel pipe port according to claim 9, wherein the width of the upper end of the clamping block (372) is larger than the diameter of the through hole (331), and the The vertical height of the conveyor belt (63) is lower than the height of the lower end of the buffer plate (612).