CN113548479A

CN113548479A - Adjustable loading attachment is used in intelligence manufacturing

Info

Publication number: CN113548479A
Application number: CN202110811726.3A
Authority: CN
Inventors: 方兴
Original assignee: Quzhou Intelligent Manufacturing Technology And Equipment Research Institute
Current assignee: Quzhou Intelligent Manufacturing Technology And Equipment Research Institute
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-10-26

Abstract

The invention relates to the technical field of powder feeding and conveying devices, in particular to an adjustable feeding device for intelligent manufacturing, and aims to solve the technical problems that the contact area of a pushing hardware structure is large, the pushing force application effect is poor, the feeding distance is short, the material adhesion probability is high, the discharging is difficult and the like in the conventional device and feeding mode. In order to solve the technical problems, the invention provides an adjustable feeding device for intelligent manufacturing, which comprises a piston pipe, a rotary sleeve, a stirring blade, a rotary blade, a cone opening rubber plate, a cone opening sleeve and the like.

Description

Adjustable loading attachment is used in intelligence manufacturing

Technical Field

The invention relates to the field of powder feeding and conveying devices, in particular to an adjustable feeding device for intelligent manufacturing.

Background

With the continuous progress of the production technology and the process in the modern society, the precision of the equipment workpiece manufacturing is also continuously improved. Modern industries are continuously developing and widening the field of industrial equipment in two directions of "upsizing" and "microminiaturization".

The application of electronic technology products in the field of mechanical equipment deepens more possibilities for mechanical manufacturing production, and thus various intelligent manufacturing equipment is created. The equipment has precise structure and intelligent control, the material of the workpiece processed by the equipment has less and precise quality, and the powder is one type commonly used by the equipment.

The inventor finds that the following problems are not solved in the process of realizing the prior art: 1. the conventional powder conveying is mostly carried out through an auger hardware structure and the like, the total length of the tube wall and the agitating blades is long, the contact area with the powder is large, the powder is easy to adhere to the auger, the pushing stroke of the auger is matched with the total length of the agitating blades, and when the conveying distance is long, the load of an auger motor is large easily caused by the overlong structure of the auger, the force application effect on the agitating blades is poor, the feeding is difficult, the actual length of the agitating blades is limited, and the conveying and discharging distance of the structure is difficult to adjust; 2. when the existing powder is conveyed and pushed in a powder blowing mode, airflow is continuous, the flow rate of the airflow needs to be continuously high, the tail end of the powder pushing stroke is continuously influenced by the airflow, the powder is not easy to queue and receive, the use is difficult, the peak pressure of the airflow is generally small due to the continuous airflow, the powder is easy to generate a spreading and adhering effect on the pipe wall, and the conveying limit distance of the powder is short; 3. the existing device applies pressure to the surface of powder due to the fact that a hardware structure is adopted, the existing device is prone to causing powder extrusion heating due to extrusion action, powder is hot-melted and caked, the powder is adhered to a cavity on the inner surface of the hardware, the problem of material stacking and blocking is caused, the actual flow area of the inner side section of the pipe wall is influenced, and the feeding and discharging efficiency of the powder is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an adjustable feeding device for intelligent manufacturing, which solves the problems of large contact area of a pushing hardware structure, poor pushing force application effect, short feeding distance, high material adhesion probability, difficult discharging and the like in the conventional device and feeding mode.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an adjustable loading attachment is used in intelligent manufacturing, includes the piston pipe, the piston board has been cup jointed in the inboard activity of piston pipe, the rear end fixedly connected with piston rod of piston board, the one end of piston rod runs through the piston pipe and extends to its outside.

The top fixedly connected with intake pipe of piston pipe front end, the middle part of intake pipe is fixed to have cup jointed one-way valve head, the inboard of the anterior terminal surface of piston pipe is fixed to have cup jointed one-way valve plate.

The fixed cover of surface of piston pipe front end is equipped with pushes away the material pipe, the rear side fixedly connected with inlet pipe at pushing away the material pipe top, the bottom of inlet pipe communicates with each other with the inside that pushes away the material pipe, the top fixedly connected with powder fill of inlet pipe.

The inner side of the material pushing pipe is rotatably connected with a rotary sleeve, the outer surface of the rotary sleeve is fixedly sleeved with a stirring blade, and the inner surface of the rotary sleeve is fixedly sleeved with a rotary blade.

The front end of the material pushing pipe is fixedly connected with a taper sleeve, the middle of the inner surface of the taper sleeve is fixedly sleeved with a taper rubber plate, the rear end of the taper rubber plate is inserted into the front end of the rotary sleeve, the front end of the taper rubber plate is fixedly sleeved with a wedge-shaped rubber ring, and the outer surface of the wedge-shaped rubber ring is abutted to the inner surface of the taper sleeve.

The front of the cone cover is fixedly connected with a discharge pipe.

Preferably, the curved surface in the piston board outside has seted up the caulking groove, and the figure of caulking groove is two, and the inboard cover in caulking groove is equipped with the rubber sealing ring, and the surface of rubber sealing ring is connected with the inner wall sliding fit of piston pipe.

Preferably, one end of the piston rod is fixedly connected with a pin boss, the pin boss is of a U-shaped structure, and a pin rod is inserted and sleeved on the inner side of the pin boss.

Preferably, the check valve plate includes the crown plate, and the crown plate nestification is in the front end of piston tube, and the fixed check valve that has cup jointed in inboard of crown plate, the conical elastic material of check valve, the annular has been seted up to the anterior terminal surface of crown plate, and the annular communicates with each other and becomes the integration with the front side of the inner wall of crown plate, the rear end of spiral leaf extends the rear end of spiral cover and rotates the inboard of cup jointing at the annular.

Preferably, the outer surface of the stirring blade is connected with the inner wall of the material pushing pipe in a sliding fit mode, the stirring blade is of an axial spiral structure, and the pitch of the stirring blade is 1.2-1.5 times of the inner diameter of the feeding pipe.

Preferably, the section of the rotary vane is trapezoidal, the rotary vane is of an axial spiral structure, and the number of turns of the rotary vane is one.

Preferably, the taper rubber plate is made of rubber, a steel sleeve is sleeved at the front end of the taper rubber plate in a lining mode, the steel sleeve is of a taper structure, the taper of the steel sleeve is consistent with the taper of the taper rubber plate, and the diameter of the rear end port of the steel sleeve is consistent with the inner diameter of the rotary sleeve.

Preferably, the port at the rear part of the discharge pipe faces the port at the front part of the rotary sleeve, and the axis of the discharge pipe is superposed with the extension line of the axis of the rotary sleeve.

Advantageous effects

The invention provides an adjustable feeding device for intelligent manufacturing. Compared with the prior art, the method has the following beneficial effects:

(1) this adjustable loading attachment for intelligent manufacturing strikes the vane through intermittent type nature pulse air current under the piston plate propelling movement for revolve the cover and rotate, and then realize stirring the propelling movement action of leaf to the material, and utilize pulse air current to the impact deformation of awl mouth offset plate, make awl mouth offset plate and revolve the anterior production clearance of cover with the material propelling movement to the anterior port position of revolving the cover, realize the impact propelling movement transmission action of high-pressure pulse air current to the powder. The action takes gas as a transmission medium of powder, the transmission distance of the action is determined by the inertial pressure difference of the gas generated by the forward movement of the piston plate, and the action has the characteristics of adjustable transmission distance, long transmission limit distance, good feeding effect and the like.

(2) This intelligent manufacturing is with adjustable loading attachment piles up the powder of stirring the forward propelling movement of leaf and saves through the awl mouth offset plate, compares conventional powder structure that blows, and the pulse air current that its piston plate single antedisplacement becomes blows powder share big, and the propelling movement distance is far away, very big extension the limit stroke that the powder transported, and simple structure can make the microminiaturization, and the adaptation has stronger general nature like multiple intelligent manufacturing equipment such as 3D printer.

(3) This intelligent manufacturing is with adjustable loading attachment is through stirring the rotatory propelling movement of leaf, pulse airflow's negative pressure effect, when the ejection of compact, the powder can be under the dual effect of the high-speed negative pressure of stirring leaf propelling movement power and pulse airflow through the gap between taper gum plate and the cover front portion soon, and the antedisplacement action of powder makes pushing away the material pipe again and stirs the production negative pressure of leaf front end clearance, outside atmospheric pressure pushes away the powder to pushing away the intraductal side of material, in addition revolve the inertial rotation of cover, realize the powder to the material loading action of taper gum plate rear end, can strengthen self feeding action through self pay-off action, good feeding effect is possessed, can prevent the feeding jam problem, better more stable discharging efficiency has.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a side cross-sectional view of the structure of the present invention;

FIG. 3 is a cross-sectional view of the structure of the present invention;

FIG. 4 is a schematic diagram of the position relationship of the internal structure under the left view angle of the structure of the present invention;

fig. 5 is a schematic structural view of the swivel sleeve of the present invention.

In the figure: 1. a piston tube; 2. a piston plate; 3. a piston rod; 4. an air inlet pipe; 5. a one-way valve head; 6. a one-way valve plate; 7. pushing the material pipe; 8. a feed pipe; 9. a powder hopper; 10. screwing a sleeve; 11. stirring the leaves; 12. rotating leaves; 13. a cone cover; 14. a tapered rubber plate; 15. a wedge-shaped rubber ring; 16. and (4) discharging the pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an adjustable feeding device for intelligent manufacturing includes a piston tube 1, a piston plate 2 movably sleeved on the inner side of the piston tube 1, a piston rod 3 fixedly connected to the rear end of the piston plate 2, and one end of the piston rod 3 penetrating through the piston tube 1 and extending to the outer side thereof.

The top fixedly connected with intake pipe 4 of 1 front end of piston pipe, the fixed one-way valve head 5 that has cup jointed in middle part of intake pipe 4, the fixed one-way valve plate 6 that has cup jointed of inboard of 1 front portion terminal surface of piston pipe. Intermittent pulse airflow under the pushing of the piston plate 2 impacts the rotary vane 12, so that the rotary sleeve 10 rotates, the pushing action of the stirring vane 11 on materials is realized, the impact deformation of the pulse airflow on the cone opening rubber plate 14 is utilized, a gap is generated between the cone opening rubber plate 14 and the front portion of the rotary sleeve 10, the materials are pushed to the front port position of the rotary sleeve 10, and the impact pushing transmission action of the high-pressure pulse airflow on the powder is realized. The action takes gas as a transmission medium of powder, the transmission distance of the action is determined by the inertial pressure difference of the gas generated by the forward movement of the piston plate 2, and the action has the characteristics of adjustable transmission distance, long transmission limit distance, good feeding effect and the like.

The outer surface of the front end of the piston tube 1 is fixedly sleeved with a material pushing tube 7, the rear side of the top of the material pushing tube 7 is fixedly connected with a material feeding tube 8, the bottom end of the material feeding tube 8 is communicated with the inside of the material pushing tube 7, and the top end of the material feeding tube 8 is fixedly connected with a powder hopper 9.

The inner side of the material pushing pipe 7 is rotatably connected with a rotary sleeve 10, the outer surface of the rotary sleeve 10 is fixedly sleeved with a stirring blade 11, and the inner surface of the rotary sleeve 10 is fixedly sleeved with a rotary blade 12. Through stirring rotatory propelling movement of leaf 11, the negative pressure effect of pulse air current, when the ejection of compact, the powder can be under the dual effect of stirring leaf 11 propelling force and the high-speed negative pressure of pulse air current through the clearance between taper gum plate 14 and swivel nut 10 front portion, and the antedisplacement action of powder makes pushing away material pipe 7 and stirs the production negative pressure of leaf 11 front end clearance again, external atmospheric pressure pushes away the powder to pushing away the inboard propelling movement of material pipe 7, in addition swivel nut 10's inertial rotation, realize the powder to the material loading action of taper gum plate 14 rear end, can strengthen self feeding action through self feeding action, possess good feeding effect, can prevent feeding jam problem, better more stable ejection of compact efficiency has.

The front end of the material pushing pipe 7 is fixedly connected with a cone opening sleeve 13, a cone opening rubber plate 14 is fixedly sleeved in the middle of the inner surface of the cone opening sleeve 13, the rear end of the cone opening rubber plate 14 is inserted into the front end of the rotary sleeve 10, a wedge-shaped rubber ring 15 is fixedly sleeved at the front end of the cone opening rubber plate 14, and the outer surface of the wedge-shaped rubber ring 15 is abutted to the inner surface of the cone opening sleeve 13. Powder that stirs 11 forward shoves through awl mouth offset plate 14 is piled up and is amasss, compares conventional powder structure of blowing, and the pulse air current that its 2 single antedisplacement of piston plate become blows powder share big, and the propelling movement distance is far away, very big extension the limit stroke that the powder was transported, and simple structure can make the miniaturization, and the adaptation has stronger general nature like multiple intelligent manufacturing equipment such as 3D printer.

The front of the cone sleeve 13 is fixedly connected with a discharge pipe 16.

In the invention, the curved surface of the outer side of the piston plate 2 is provided with two caulking grooves, the inner sides of the caulking grooves are sleeved with sealing rubber rings, and the outer surfaces of the sealing rubber rings are connected with the inner wall of the piston tube 1 in a sliding fit manner. It should be noted that the sealing rubber ring enhances the contact effect between the piston plate 2 and the inner side tube wall of the piston tube 1, enhances the air tightness of the inner side of the piston tube 1, and ensures the stability of the operation of the device.

In the invention, one end of the piston rod 3 is fixedly connected with a pin boss which is of a U-shaped structure, and a pin rod is inserted and sleeved on the inner side of the pin boss. It should be noted that, a power source and a mechanical transmission device can be externally connected through the pin seat, and the pin seat can be connected with a plurality of mechanical structures such as a crankshaft, an eccentric wheel and a crank connecting rod to realize linear reciprocating motion.

In the invention, the one-way valve plate 6 comprises an annular plate which is nested at the front end of the piston tube 1, the inner side of the annular plate is fixedly sleeved with a check valve, the check valve is made of conical elastic material, the end surface of the front part of the annular plate is provided with an annular groove, the annular groove is communicated with and integrated with the front side of the inner wall of the annular plate, and the rear end of the rotary vane 12 extends out of the rear end of the rotary sleeve 10 and is rotatably sleeved at the inner side of the annular groove. It should be noted that the guiding of the air flow inside the piston tube 1 is controlled by the one-way valve plate 6 in cooperation with the one-way valve head 5, so that the air flow enters the piston tube 1 through the air inlet tube 4 and enters the inside of the rotary sleeve 10 through the one-way valve plate 6 under the pushing of the piston plate 2.

In the invention, the outer surface of the stirring blade 11 is connected with the inner wall of the material pushing pipe 7 in a sliding fit manner, the stirring blade 11 is of an axial spiral structure, and the pitch of the stirring blade 11 is 1.2-1.5 times of the inner diameter of the feeding pipe 8. It should be noted that, the backward and forward air flow contacts the rotary vane 12 to make the rotary vane 12 rotate and drive the rotary sleeve 10 to rotate, the rotary sleeve 10 rotates to drive the stirring vane 11 to rotate, the stirring vane 11 pushes the powder inside the material pushing pipe 7 forward from the backward direction, the powder moves forward to contact the outer side surface of the cone opening rubber plate 14 to generate stockpiling and stopping, when the pulse air flow blows the deformation of the cone opening rubber plate 14, the powder is sucked by the gap between the cone opening rubber plate 14 and the front part of the rotary sleeve 10 and mixed into the pulse air flow by the negative pressure of the pulse air flow, and the pushing and the transmission of the powder along with the pulse air flow are realized.

In the present invention, the section of the rotary vane 12 is trapezoidal, the rotary vane 12 is an axial spiral structure, and the number of turns of the rotary vane 12 is one. It should be noted that, the airflow blows the rotary vane 12 from back to front, so that the rotary vane 12 drives the rotary sleeve 10 to generate a rotation action, because the rotary sleeve 10 has mass and inertia, the rotation action of the rotary vane 12 has hysteresis, the pulse airflow starts to rotate after passing through the rotary vane 12 and drives the rotary sleeve 10 to rotate and maintain the rotation inertia, when the pulse airflow contacts the cone rubber plate 14, the cone rubber plate 14 will deform at first and form a gap with the front part of the rotary sleeve 10, the negative pressure will instantly attract and wrap the powder accumulated on the outer surface of the cone rubber plate 14 into the pulse airflow, so as to realize the powder mixing and pushing effect, and the negative pressure generated by the stirring vane 11 following the inertia rotation of the rotary sleeve 10 and the disappearance of the powder accumulated on the outer side of the cone rubber plate 14 will promote the powder to enter from the powder hopper 9, thereby enhancing the feeding effect.

In the invention, the taper rubber plate 14 is made of rubber, the front end of the taper rubber plate 14 is sleeved with a steel sleeve, the steel sleeve is of a taper structure, the taper of the steel sleeve is consistent with that of the taper rubber plate 14, and the diameter of the rear end port of the steel sleeve is consistent with the inner diameter of the rotary sleeve 10. It should be noted that the arrangement of the steel sleeve can realize the potential fixation of the cone rubber plate 14, maintain the shape of the front end of the cone rubber plate 14, and constrain the deformation amount of the rear end of the cone rubber plate 14, so as to avoid the irreversible deformation caused by the forward movement of the rear end of the cone rubber plate 14 due to the impact of the pulse airflow.

In the present invention, the rear end of the tapping pipe 16 faces the front end of the screw sleeve 10, and the axis of the tapping pipe 16 coincides with the extension of the axis of the screw sleeve 10. It should be noted that, the alignment between the discharging pipe 16 and the feeding direction of the rotary sleeve 10 is ensured, so as to reduce the impact shock of the pulse airflow caused by bending and dislocation and reduce the energy loss caused by impact and transmission.

When in use, the piston rod 3 is externally connected with a linear reciprocating structure such as a crank connecting rod, and the discharge pipe 16 is externally connected with a linear rigid pipe.

The piston rod 3 is intermittently and reciprocally pushed, the one-way valve plate 6 and the one-way valve head 5 are matched, a gas medium enters the piston tube 1 from the air inlet pipe 4 and enters the inner side of the rotary sleeve 10 under the pushing of the piston plate 2 to act and generate pulse airflow, the pulse airflow enters the inner side of the rotary sleeve 10 from the back and is contacted with the rotary vane 12, the rotary vane 12 is restrained by the mass inertia of the rotary sleeve 10 to generate a motion trend but has hysteresis in accelerated rotation action, the pulse airflow passes through the front part of the rotary sleeve 10 and impacts the rear end port of the taper rubber plate 14, the rear end port of the taper rubber plate 14 is deformed and generates a gap with the front end port of the rotary sleeve 10, the negative pressure of the pulse airflow attracts powder outside the taper rubber plate 14 to be doped into the pulse airflow and then enters a hard pipe through the discharge pipe 16 along with the pulse airflow, and the long-distance pushing is realized.

The rotary sleeve 10 is rotated by the pulse airflow, the rotation is maintained by the inertia of the rotary sleeve 10, the stirring blade 11 rotates along with the rotary sleeve 10 in the rotation of the rotary sleeve 10, the stirring blade 11 conveys and piles the powder from the rear part of the material pushing pipe 7 to the front part of the material pushing pipe 7, namely the outer side surface of the cone-shaped rubber plate 14, the powder is prepared to be conveyed by the next pulse airflow, the rotation of the stirring blade 11 is matched with the negative pressure generated outside the cone-shaped rubber plate 14 when the last powder is doped to the pulse airflow, so that the effect of feeding the powder from the inner side of the powder hopper 9 to the inner side of the material pushing pipe 7 is enhanced, the feeding effect is enhanced, and the feeding preparation action is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligence is made with adjustable loading attachment, includes piston tube (1), its characterized in that: a piston plate (2) is movably sleeved on the inner side of the piston pipe (1), a piston rod (3) is fixedly connected to the rear end of the piston plate (2), and one end of the piston rod (3) penetrates through the piston pipe (1) and extends to the outer side of the piston pipe;

the top of the front end of the piston pipe (1) is fixedly connected with an air inlet pipe (4), the middle part of the air inlet pipe (4) is fixedly sleeved with a one-way valve head (5), and the inner side of the front end face of the piston pipe (1) is fixedly sleeved with a one-way valve plate (6);

a material pushing pipe (7) is fixedly sleeved on the outer surface of the front end of the piston pipe (1), a material feeding pipe (8) is fixedly connected to the rear side of the top of the material pushing pipe (7), the bottom end of the material feeding pipe (8) is communicated with the interior of the material pushing pipe (7), and a powder hopper (9) is fixedly connected to the top end of the material feeding pipe (8);

the inner side of the material pushing pipe (7) is rotatably connected with a rotary sleeve (10), the outer surface of the rotary sleeve (10) is fixedly sleeved with a stirring blade (11), and the inner surface of the rotary sleeve (10) is fixedly sleeved with a rotary blade (12);

the front end of the material pushing pipe (7) is fixedly connected with a cone opening sleeve (13), the middle part of the inner surface of the cone opening sleeve (13) is fixedly sleeved with a cone opening rubber plate (14), the rear end of the cone opening rubber plate (14) is inserted and sleeved into the front end of the rotary sleeve (10), the front end of the cone opening rubber plate (14) is fixedly sleeved with a wedge-shaped rubber ring (15), and the outer surface of the wedge-shaped rubber ring (15) is abutted to the inner surface of the cone opening sleeve (13);

the front surface of the cone cover (13) is fixedly connected with a discharge pipe (16).

2. The adjustable loading attachment is used in intelligent manufacturing of claim 1 characterized in that: the curved surface in piston board (2) outside has seted up the caulking groove, and the figure of caulking groove is two, and the inboard cover in caulking groove is equipped with the sealing rubber ring, and the surface of sealing rubber ring is connected with the inner wall sliding fit of piston tube (1).

3. The adjustable loading attachment is used in intelligent manufacturing of claim 1 characterized in that: one end of the piston rod (3) is fixedly connected with a pin boss which is of a U-shaped structure, and a pin rod is inserted and sleeved on the inner side of the pin boss.

4. The adjustable loading attachment is used in intelligent manufacturing of claim 1 characterized in that: check valve board (6) include the crown plate, and the crown plate nestification is in the front end of piston tube (1), and the inboard of crown plate is fixed to have cup jointed the check valve, the conical elasticity material of check valve, and the annular has been seted up to the anterior terminal surface of crown plate, and the annular communicates with each other and becomes the integration with the front side of the inner wall of crown plate, the rear end of vane (12) extends the rear end of rotating sleeve (10) and rotates and cup joint the inboard at the annular.

5. The adjustable loading attachment is used in intelligent manufacturing of claim 1 characterized in that: the outer surface of the stirring blade (11) is connected with the inner wall of the material pushing pipe (7) in a sliding fit mode, the stirring blade (11) is of an axial spiral structure, and the pitch of the stirring blade (11) is 1.2-1.5 times of the inner diameter of the material feeding pipe (8).

6. The adjustable loading attachment is used in intelligent manufacturing of claim 1 characterized in that: the tangent plane of spiral leaf (12) is trapezoidal, spiral leaf (12) are axial helical structure, the number of turns of spiral leaf (12) is a circle.

7. The adjustable loading attachment is used in intelligent manufacturing of claim 1 characterized in that: the taper rubber plate (14) is made of rubber, a steel sleeve is sleeved at the front end of the taper rubber plate (14) in a lining mode, the steel sleeve is of a taper structure, the taper of the steel sleeve is consistent with the taper of the taper rubber plate (14), and the diameter of a rear end port of the steel sleeve is consistent with the inner diameter of the rotary sleeve (10).

8. The adjustable loading attachment is used in intelligent manufacturing of claim 1 characterized in that: the port at the rear part of the discharge pipe (16) faces the port at the front part of the rotary sleeve (10), and the axis of the discharge pipe (16) is superposed with the extension line of the axis of the rotary sleeve (10).