CN114110193A

CN114110193A - Corrosion-resistant compression-resistant valve joint and manufacturing and processing technology thereof

Info

Publication number: CN114110193A
Application number: CN202111465128.1A
Authority: CN
Inventors: 吴东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-01

Abstract

The invention relates to a corrosion-resistant compression-resistant valve joint and a manufacturing and processing technology thereof, the corrosion-resistant compression-resistant valve joint comprises a water pipe, a closing plate, a pull-back rod, a connecting spring and an adjusting threaded rod, in the manufacturing process of the valve joint, pipeline inner wall polishing equipment is needed, and the specific method for manufacturing the corrosion-resistant compression-resistant valve joint by using the pipeline inner wall polishing equipment comprises the following steps: the pipeline inner wall grinding equipment provided by the invention can be used for polishing the water service pipes of a plurality of valve joints by the fixing component and the grinding component at one time, and can be used for removing metal dust generated by grinding the inner walls of the water service pipes after grinding, improving the stability of the grinding rod during grinding of the inner walls of the water service pipes and avoiding the situation that the inner walls of the water service pipes are broken due to shaking generated during grinding of the grinding rod.

Description

Corrosion-resistant compression-resistant valve joint and manufacturing and processing technology thereof

Technical Field

The invention relates to the field of valve joint production, in particular to a corrosion-resistant pressure-resistant valve joint and a manufacturing and processing process thereof.

Background

The valve is used for opening and closing the pipeline, control the flow direction, adjust and control the pipeline annex of carrying the medium, according to its function, can divide into shut-off valve, the check valve, governing valve etc., the valve is the control unit among the fluid conveying system, have and ends, adjust, the water conservancy diversion, prevent against the current, steady voltage, reposition of redundant personnel or functions such as overflow pressure release, current valve need use valve attach fitting often with pipe connection, current valve attach fitting is when using, corrosive liquid is carried often to valve attach fitting, and valve attach fitting is when using, need bear hydraulic test for a long time, and then in order to guarantee valve attach fitting's normal use, valve attach fitting often has corrosion-resistant and resistance to compression's characteristic, and current valve attach fitting still has some problems when the in-service use: when the existing valve joint is used, liquid inside a water pipe often overflows from the valve due to damage of the valve, so that the resource waste condition is continuously generated, and when dangerous liquid such as gasoline is transported, fire disasters are extremely easy to generate, and the environment is polluted.

In the manufacturing process of corrosion resistant pressure resistance type valve joint, need carry out the burnishing and polishing processing through the pole of polishing to valve joint pipeline inner wall, current valve joint is when carrying out artifical burnishing and polishing processing, operating personnel need polish valve joint pipeline one by one, the inefficiency of polishing to when valve joint length is longer, need use elongated pole of polishing to polish, when length elongated pole of polishing rotates and polishes, the condition of rocking often appears, and then influences the quality of polishing that the valve connects.

Disclosure of Invention

In order to solve the problems, the invention provides a corrosion-resistant pressure-resistant valve joint and a manufacturing and processing process thereof.

The utility model provides a corrosion resistant resistance to compression type valve connects, includes water service pipe, closing plate, pull-back pole, connecting spring and adjusting threaded rod, install the closing plate through sliding connection's mode longitudinal symmetry on the water service pipe, bilateral symmetry installs the pull-back pole on the closing plate up end, and the pull-back pole cross-section is T shape structure, and the pull-back pole passes the water service pipe inner wall, is connected through connecting spring between pull-back pole and the water service pipe, supports on the closing plate up end to lean on there being adjusting threaded rod, and adjusting threaded rod installs on the water service pipe through threaded connection's mode.

Above-mentioned valve joint is making the in-process, need use special pipeline inner wall equipment of polishing, and this pipeline inner wall equipment of polishing is including supporting base, fixed subassembly and the subassembly of polishing, supports the base up end and has seted up spout C around the symmetry, supports and from left to right installs fixed subassembly and the subassembly of polishing in proper order on the base up end.

The fixing component comprises a shunt box, an ash filtering plate, a traction pull rod, an air blowing pump and a connecting through pipe, the shunt box is fixedly arranged on the left side of the upper end surface of the supporting base, the ash filtering plate is arranged on the upper end of the shunt box in a sliding connection mode, the traction pull rod is fixedly arranged on the upper end surface of the ash filtering plate, the air blowing pump is fixedly arranged on the left end surface of the shunt box, the connecting through pipe is uniformly arranged on the right end surface of the shunt box from front to back, when the fixing component works, the water pipe which needs to be polished is screwed into the connecting pipe by manpower, then under the work of the polishing component, the inner wall of the water pipe is polished, after polishing, air flow is blown out under the work of the air blowing pump, the air flow enters the inside of the connecting through pipe through the ash filtering plate, and blowing air to the inner wall of the water through pipe to blow off the metal dust on the inner wall of the water through pipe, thereby finishing the operation of removing the metal dust on the inner wall of the water through pipe.

The polishing component comprises a sliding edge block, a movable base plate, a pushing rotating rod, a threaded sleeve, a driving toothed bar, a driven toothed bar, a transmission toothed belt, a driving motor and a polishing rod, wherein the sliding edge block which is mutually matched and used is installed inside a sliding groove C on the upper end surface of a supporting base in a sliding connection mode, the movable base plate is fixedly installed on the upper end surface of the sliding edge block, the pushing rotating rod is abutted against the right end surface of the movable base plate and installed inside the threaded sleeve in a threaded connection mode, the threaded sleeve is fixedly installed on the upper end surface of the supporting base, the driving toothed bars are symmetrically installed on the movable base plate in a front-back mode through a rotary connection mode, the driven toothed bars are arranged at the close ends of the driving toothed bars, the driven toothed bars are evenly installed on the movable base plate from front to back in a rotary connection mode, the transmission toothed belts which are mutually matched and used are arranged on the outer sides of the driving toothed bars and the driven toothed bars, the right-hand member face of front end drive ratch is connected with driving motor's output shaft, driving motor fixed mounting is on removing the base plate, install the pole of polishing through threaded connection's mode on drive ratch and the driven ratch left end face, in operation, after accomplishing water service pipe installation operation, artifical twisting is moved and is supported the push-off pole, support the push-off pole and promote to remove the base plate and move towards the left side, make the pole of polishing insert to the water service pipe inner wall, later under driving motor's work, through the effect of transmission cingulum, drive ratch and driven ratch rotate, it polishes to the inner wall of water service pipe to drive the pole of polishing, thereby accomplish the water service pipe inner wall burnishing and polishing operation.

As a technical scheme of the invention, the left end in the flow dividing box is provided with a gas pipe, the gas pipe is connected with the input end of the blowing pump, the right side of the gas pipe is provided with a flow dividing pipe, the flow dividing pipe is fixedly arranged in the flow dividing box, the flow dividing pipe is of a comb-shaped structure, the right end of the flow dividing pipe is communicated with a connecting through pipe, and a abdicating groove A matched with the dust filtering plate is arranged between the gas pipe and the flow dividing pipe.

As a technical scheme of the invention, the ash filtering plate comprises a connecting block, a connecting plate, a filtering pipe and a filtering net, wherein the connecting block is installed on the flow dividing box in a sliding connection mode, the connecting plate which is matched with the abdicating groove A for use is fixedly installed on the lower end face of the connecting block, a communicating hole B is formed in the side wall of the connecting plate, the left end face and the right end face of the communicating hole B are respectively communicated with the gas pipe and the flow dividing pipe, the filtering pipe is installed inside the communicating hole B in a left-right sliding mode, and the filtering net is arranged inside the filtering pipe.

According to the technical scheme, the side wall of the connecting block is uniformly provided with the sealing rubber rings from top to bottom.

As a technical scheme of the invention, inner ring threads matched with the water service pipe are arranged on the inner wall of the connecting through pipe, an inner clamping block is arranged on the outer wall of the connecting through pipe in a circumferential direction in a rotating connection mode, and the inner clamping block is connected with the connecting through pipe through a pullback spring.

According to the technical scheme, the driving toothed bar and the driven toothed bar are consistent in structure, the driving toothed bar is of a hollow structure, a threaded hole D matched with the grinding rod for use is formed in the left end face of the driving toothed bar, and a stabilizing sleeve is installed on the outer surface of the driving toothed bar in a threaded connection mode.

As a technical scheme of the invention, the surface of the polishing rod is uniformly provided with powder collecting grooves E along the circumferential direction.

In addition, the invention also provides a manufacturing and processing technology of the corrosion-resistant and pressure-resistant valve joint, which specifically comprises the following steps:

s1, preparing work: before the inner wall of the water service pipe is ground and polished by using pipeline inner wall grinding equipment, detecting and adjusting the operation of the equipment;

s2, polishing the inner wall: manually polishing the inner wall of the water service pipe by using pipeline inner wall polishing equipment to polish and smoothen the inner wall of the water service pipe;

s3, assembling parts: manually assembling and molding the water pipe, the closing plate, the pull-back rod, the connecting spring and the adjusting threaded rod to form a finished product of the corrosion-resistant and pressure-resistant valve joint;

s4, detecting and warehousing: and (3) manually detecting the size and the performance of the molded corrosion-resistant pressure-resistant valve joint, and warehousing the qualified valve joint after detection.

The invention has the following beneficial effects:

1. according to the corrosion-resistant pressure-resistant valve joint provided by the invention, the valve joint is manually connected with a pipeline and a valve, and then when the valve is damaged and conveying liquid leaks, the adjusting threaded rods on the upper side and the lower side are manually screwed to drive the two closing plates to be closed, so that the pipeline is temporarily blocked, and the situations of resource waste and environmental pollution caused by continuous leakage of the pipeline are avoided.

2. According to the in-groove cleaning equipment provided by the invention, a plurality of water service pipes needing to be polished can be manually installed on the connecting through pipe at one time, the polishing component can be used for polishing and polishing a plurality of water service pipes to be polished at one time when working, so that the polishing and polishing efficiency of the water service pipes is improved, and after the polishing rod is manually installed on the driving toothed bar and the driven toothed bar, the stabilizing sleeve is manually screwed, so that the stabilizing sleeve wraps the polishing rod and the driving toothed bar, the wrapping area of the polishing rod is increased, the stability of the polishing rod during working is further improved, and the situation that the polishing effect is influenced by shaking generated during the working of the polishing rod is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a corrosion-resistant and pressure-resistant type valve joint according to the present invention.

Fig. 2 is a schematic structural view of the pipe inner wall grinding apparatus according to the present invention.

Fig. 3 is a schematic view showing the connection between the closing plate and the water pipe in the present invention.

Fig. 4 is a front view of the pipe inner wall grinding apparatus of the present invention.

Fig. 5 is a schematic view of the engagement of the driving rack bar, the driven rack bar and the driving rack belt in the present invention.

Fig. 6 is a block diagram of a shunt according to the present invention.

FIG. 7 is a schematic view of the construction of the dust filter plate of the present invention.

Fig. 8 is a schematic structural view of the communicating pipe in the present invention.

Fig. 9 is a schematic view of the structure of the driving rack in the present invention.

In the figure: 1. a water pipe; 2. a closing plate; 3. the pull rod is pulled back; 4. a connecting spring; 5. adjusting the threaded rod; 6. a support base; 7. a fixing assembly; 8. polishing the assembly; 9. a chute C; 71. a shunt box; 72. an ash filtering plate; 73. a traction pull rod; 74. an air blower; 75. connecting a through pipe; 81. sliding the edge block; 82. moving the substrate; 83. pushing the rotating rod; 84. a threaded sleeve; 85. a drive rack; 86. a driven rack bar; 87. a drive toothed belt; 88. a drive motor; 89. grinding the rod; 711. a gas delivery pipe; 712. a shunt tube; 713. a yielding groove A; 721. connecting blocks; 722. a connecting plate; 723. a filter tube; 724. a filter screen; 725. a communicating hole B; 7211. sealing the rubber ring; 751. inner ring threads; 752. an inner clamping block; 753. a pullback spring; 851. a threaded hole D; 852. a stabilizing sleeve; 893. and a powder collecting groove E.

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 and 3, a corrosion-resistant pressure-resistant valve joint comprises a water pipe 1, a closing plate 2, a pull-back rod 3, a connecting spring 4 and an adjusting threaded rod 5, wherein the closing plate 2 is symmetrically installed on the water pipe 1 in a sliding connection mode, the closing plate 2 is of a rectangular structure, the pull-back rod 3 is symmetrically installed on the upper end surface of the closing plate 2 in a left-right direction, the cross section of the pull-back rod 3 is of a T-shaped structure, the pull-back rod 3 penetrates through the inner wall of the water pipe 1, the pull-back rod 3 is connected with the water pipe 1 through the connecting spring 4, the adjusting threaded rod 5 is abutted against the upper end surface of the closing plate 2, the adjusting threaded rod 5 is installed on the water pipe 1 in a threaded connection mode, the valve joint is manually connected with a pipeline and a valve during specific work, then when the valve is damaged to cause leakage of conveying liquid, the adjusting threaded rods 5 on the upper side and the lower side are manually screwed to drive the two closing plates 2 to be closed, the pipeline is temporarily blocked, so that the continuous leakage of the pipeline is avoided, and the situations of resource waste and environmental pollution are further caused.

Above-mentioned valve joint is making the in-process, need use special pipeline inner wall equipment of polishing, and this pipeline inner wall equipment of polishing is including supporting base 6, fixed subassembly 7 and the subassembly 8 of polishing, supports and has offered spout C9 around the symmetry on the base 6 up end, supports and from left to right installs fixed subassembly 7 and the subassembly 8 of polishing in proper order on the base 6 up end.

Referring to fig. 2 and 4, the fixing assembly 7 includes a branch box 71, an ash filtering plate 72, a traction rod 73, an air blowing pump 74 and a connecting tube 75, the left side of the upper end surface of the supporting base 6 is fixedly provided with the branch box 71, the upper end of the branch box 71 is provided with the ash filtering plate 72 in a sliding connection manner, the upper end surface of the ash filtering plate 72 is fixedly provided with the traction rod 73, the left end surface of the branch box 71 is fixedly provided with the air blowing pump 74, the right end surface of the branch box 71 is uniformly provided with the connecting tube 75 from front to back, during specific work, the water service pipe 1 to be polished is manually screwed into the connecting tube 75, then under the work of the polishing assembly 8, the inner wall of the water service pipe 1 is polished, after polishing, under the work of the air blowing pump 74, an air flow is blown out, the air flow enters the connecting tube 75 through the ash filtering plate 72 to blow the inner wall of the water service pipe 1, and blowing off the metal dust on the inner wall of the water pipe 1, thereby finishing the metal dust removing operation of the inner wall of the water pipe 1.

Referring to fig. 2, 4 and 7, the ash plate 72 includes a connecting block 721, a connecting plate 722, a filtering pipe 723 and a filtering screen 724, the connecting block 721 is installed on the diversion box 71 in a sliding connection manner, the connecting plate 722 used in cooperation with the abdicating groove a713 is fixedly installed on the lower end surface of the connecting block 721, a communicating hole B725 is opened on the side wall of the connecting plate 722, the left and right end surfaces of the communicating hole B725 are respectively communicated with the gas pipe 711 and the diversion pipe 712, the filtering pipe 723 is installed inside the communicating hole B725 in a left-right sliding manner, and the filtering screen 724 is installed inside the filtering pipe 723.

Referring to fig. 7, the side wall of the connecting block 721 is uniformly provided with a sealing rubber ring 7211 from top to bottom.

Referring to fig. 2, 4 and 6, an air pipe 711 is installed at the left end inside the diversion box 71, the air pipe 711 is connected with an input end of the air blowing pump 74, a diversion pipe 712 is arranged at the right side of the air pipe 711, the diversion pipe 712 is fixedly installed inside the diversion box 71, the diversion pipe 712 is in a comb-shaped structure, the right end of the diversion pipe 712 is communicated with the connection through pipe 75, an abdicating groove a713 used in cooperation with the dust filter plate 72 is formed between the air pipe 711 and the diversion pipe 712, in particular, when the dust filter plate 72 is manually inserted into the abdicating groove a713, two ends of a filter pipe 723 on the dust filter plate 72 are respectively connected with the air pipe 711 and the diversion pipe 712, then under the operation of the air blowing pump 74, air flow is blown out, the air flow passes through the air pipe 711 and the diversion pipe 712 in sequence and enters the connection through pipe 75, metal dust on the inner wall of the water pipe 1 after being polished is blown off, wherein a plurality of filter screens 724 are arranged inside the filter pipe 723, the air blown out by the air blowing pump 74 can be filtered, impurities in the air flow are reduced, and when the ash filtering plate 72 is connected with the shunting box 71, the air tightness between the ash filtering plate 721 and the shunting box 71 can be enhanced by the sealing rubber ring 7211 on the connecting block 721, so that when the air blowing pump 74 is prevented from blowing, the air flow overflows from the connecting part of the ash filtering plate 72 and the shunting box 71, the air blowing pressure is reduced, and the air blowing effect is influenced.

Referring to fig. 8, the inner wall of the communicating pipe 75 is provided with inner ring threads 751 which are matched with the water service pipe 1 for use, the outer wall of the communicating pipe 75 is provided with an inner clamping block 752 which is rotatably connected along the circumferential direction, the inner clamping block 752 and the communicating pipe 75 are connected through a pullback spring 753, during specific operation, the communicating pipe 1 is manually screwed into the communicating pipe 75 to complete the installation operation of the water service pipe 1, and then the inner clamping block 752 on the communicating pipe 75 wraps the water service pipe 1 under the action of the pullback spring 753, so that the stability of the water service pipe 1 during installation is further improved.

Referring to fig. 2, 4 and 5, the polishing assembly 8 includes a sliding edge block 81, a moving base plate 82, a pushing rotating rod 83, a threaded sleeve 84, a driving toothed rod 85, a driven toothed rod 86, a transmission toothed belt 87, a driving motor 88 and a polishing rod 89, the sliding edge block 81 used in cooperation with each other is installed inside a chute C9 on the upper end surface of the supporting base 6 in a sliding connection manner, the moving base plate 82 is fixedly installed on the upper end surface of the sliding edge block 81, the pushing rotating rod 83 abuts against the right end surface of the moving base plate 82, the pushing rotating rod 83 is installed inside the threaded sleeve 84 in a threaded connection manner, the threaded sleeve 84 is fixedly installed on the upper end surface of the supporting base 6, the driving toothed rods 85 are symmetrically installed on the front and back of the moving base plate 82 in a rotation connection manner, the driven toothed rods 86 are arranged at the ends of the driving toothed rods 85, the driven toothed rods 86 are evenly installed on the moving base plate 82 from front to back in a rotation connection manner, the outer sides of the driving toothed bar 85 and the driven toothed bar 86 are provided with transmission toothed belts 87 which are matched with each other for use, the right end face of the front-end driving toothed bar 85 is connected with an output shaft of a driving motor 88, the driving motor 88 is fixedly installed on the movable base plate 82, the left end faces of the driving toothed bar 85 and the driven toothed bar 86 are provided with grinding rods 89 in a threaded connection mode, the surfaces of the grinding rods 89 are uniformly provided with powder collecting grooves E893 along the circumferential direction, in the specific work process, after the installation operation of the water pipe 1 is completed, the pushing and rotating rod 83 is manually screwed, the pushing and rotating rod 83 pushes the movable base plate 82 to move along the chute C9 to the left side, so that the grinding rods 89 are inserted into the inner wall of the water pipe 1, then under the action of the driving motor 88, the driving toothed bars 85 and the driven toothed bars 86 are driven to rotate by the action of the transmission toothed belts 87, the grinding rods 89 are driven to grind the inner wall of the water pipe 1, and the surfaces of the grinding rods 89 are uniformly provided with the powder collecting grooves E893 along the circumferential direction, when the grinding rod 89 is ground the inner wall of the water service pipe 1, the generated metal dust can enter the dust collecting groove E893, the metal waste dust is collected, the amount of the metal dust in the water service pipe 1 is reduced, and the phenomenon that a large amount of metal dust splashes when the subsequent air blowing pump 74 blows is avoided, so that the grinding and polishing operation of the inner wall of the water service pipe 1 is completed.

Referring to fig. 9, the structure of drive ratch 85 is unanimous with driven ratch 86, drive ratch 85 is hollow structure, set up on the left end face of drive ratch 85 and mutually support the screw hole D851 that uses with grinding rod 89, install stabilizing sleeve 852 through threaded connection's mode on the drive ratch 85 surface, during specific work, the manual work is twisted grinding rod 89 into to the screw hole D851 inside on drive ratch 85 and the driven ratch 86, later the manual work is twisted stabilizing sleeve 852, make stabilizing sleeve 852 wrap grinding rod 89 and drive ratch 85, thereby stability when further having improved grinding rod 89 and installing, when having avoided inner wall pole 89 to rotate, grinding rod appears rocking, the condition that leads to the damage to appear in water service pipe 1 inner wall takes place, and then improved the quality of polishing of water service pipe 1.

In addition, the invention also provides a manufacturing and processing technology of the corrosion-resistant pressure-resistant valve joint, which specifically comprises the following steps:

s1, preparing work: before the inner wall of the water service pipe 1 is ground and polished by using pipeline inner wall grinding equipment, the operation of the equipment is detected and adjusted;

s2, polishing the inner wall: manually screwing the water service pipe 1 to be polished to the connecting through pipe 75, manually screwing the pushing rod 83, pushing the movable base plate 82 to move to the left along the chute C9 by the pushing rod 83, so that the polishing rod 89 is inserted into the inner wall of the water service pipe 1, then driving the driving toothed rod 85 and the driven toothed rod 86 to rotate under the action of the driving motor 88 through the action of the driving toothed belt 87, driving the polishing rod 89 to polish the inner wall of the water service pipe 1, after polishing and polishing operations are completed, blowing air flow under the operation of the air blowing 74 pump, enabling the air flow to enter the connecting through pipe 75 through the dust filter 72, blowing air to the inner wall of the water service pipe 1, blowing off metal dust on the inner wall of the water service pipe 1, and finishing polishing and polishing operations of the inner wall of the water service pipe 1;

s3, assembling parts: manually assembling and forming the water pipe 1, the closing plate 2, the return pull rod 3, the connecting spring 4 and the adjusting threaded rod 5 to form a finished product of the corrosion-resistant and pressure-resistant valve joint;

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention; modifying; alternatives and modifications, the scope of the invention being defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a corrosion resistant resistance to compression type valve connects, includes water service pipe (1), closing plate (2), pull-back rod (3), coupling spring (4) and adjusting threaded rod (5), its characterized in that: the water service pipe is characterized in that a closing plate (2) is symmetrically arranged on the water service pipe (1) in a vertical direction in a sliding connection mode, pull-back rods (3) are symmetrically arranged on the upper end face of the closing plate (2) in a horizontal direction, the cross sections of the pull-back rods (3) are of T-shaped structures, the pull-back rods (3) penetrate through the inner wall of the water service pipe (1), the pull-back rods (3) are connected with the water service pipe (1) through connecting springs (4), adjusting threaded rods (5) abut against the upper end face of the closing plate (2), and the adjusting threaded rods (5) are arranged on the water service pipe (1) in a threaded connection mode;

the valve joint needs to use special pipeline inner wall polishing equipment in the manufacturing process, the pipeline inner wall polishing equipment comprises a supporting base (6), a fixing component (7) and a polishing component (8), sliding grooves C (9) are symmetrically formed in the front and back of the upper end face of the supporting base (6), and the fixing component (7) and the polishing component (8) are sequentially installed on the upper end face of the supporting base (6) from left to right;

the fixed assembly (7) comprises a shunt box (71), an ash filtering plate (72), a traction pull rod (73), an air blowing pump (74) and a connecting through pipe (75), the shunt box (71) is fixedly installed on the left side of the upper end face of the supporting base (6), the ash filtering plate (72) is installed at the upper end of the shunt box (71) in a sliding connection mode, the traction pull rod (73) is fixedly installed on the upper end face of the ash filtering plate (72), the air blowing pump (74) is fixedly installed on the left end face of the shunt box (71), and the connecting through pipe (75) is uniformly installed on the right end face of the shunt box (71) from front to back;

the polishing component (8) comprises a sliding edge block (81), a movable base plate (82), a pushing rotating rod (83), a threaded sleeve (84), a driving toothed bar (85), a driven toothed bar (86), a transmission toothed belt (87), a driving motor (88) and a polishing rod (89), wherein the sliding edge block (81) which is matched with each other for use is installed inside a chute C (9) on the upper end face of the supporting base (6) in a sliding connection mode, the movable base plate (82) is fixedly installed on the upper end face of the sliding edge block (81), the pushing rotating rod (83) is abutted against the right end face of the movable base plate (82), the pushing rotating rod (83) is installed inside the threaded sleeve (84) in a threaded connection mode, the threaded sleeve (84) is fixedly installed on the upper end face of the supporting base (6), the driving toothed bars (85) are symmetrically installed on the movable base plate (82) in a front-back mode of rotary connection, driven toothed bar (86) are arranged at the close ends of driving toothed bar (85), driven toothed bar (86) are uniformly installed on movable base plate (82) from front to back through the mode of rotating connection, transmission toothed belt (87) which is mutually matched for use is arranged at the outer sides of driving toothed bar (85) and driven toothed bar (86), the right end face of front end driving toothed bar (85) is connected with the output shaft of driving motor (88), driving motor (88) is fixedly installed on movable base plate (82), and grinding bar (89) is installed on the left end face of driving toothed bar (85) and driven toothed bar (86) through the mode of threaded connection.

2. A corrosion resistant, pressure resistant valve fitting according to claim 1, wherein: air-supply pipe (711) are installed to the inside left end of flow distribution box (71), air-supply pipe (711) are connected with the input of pump (74) of blowing, the right-hand shunt tubes (712) that is provided with of air-supply pipe (711), shunt tubes (712) fixed mounting is inside flow distribution box (71), shunt tubes (712) are comb type structure, the right-hand member and the connecting tube (75) of shunt tubes (712) are linked together, offer between air-supply pipe (711) and shunt tubes (712) and let a groove A (713) with ash filtering plate (72) use of mutually supporting.

3. A corrosion resistant, pressure resistant valve fitting according to claim 2, wherein: the ash filtering plate (72) comprises a connecting block (721), a connecting plate (722), a filtering pipe (723) and a filtering net (724), the connecting block (721) is installed on the flow dividing box (71) in a sliding connection mode, the connecting plate (722) matched with the abdicating groove A (713) in use is fixedly installed on the lower end face of the connecting block (721), a communicating hole B (725) is formed in the side wall of the connecting plate (722), the left end face and the right end face of the communicating hole B (725) are respectively communicated with the gas conveying pipe (711) and the flow dividing pipe (712), the filtering pipe (723) is installed inside the communicating hole B (725) in a left-right sliding mode, and the filtering net (724) is arranged inside the filtering pipe (723).

4. A corrosion resistant, pressure resistant valve fitting according to claim 3, wherein: and the side wall of the connecting block (721) is uniformly provided with a sealing rubber ring (7211) from top to bottom.

5. A corrosion resistant, pressure resistant valve fitting according to claim 1, wherein: inner ring threads (751) matched with the water service pipe (1) are arranged on the inner wall of the connecting through pipe (75), an inner clamping block (752) is installed on the outer wall of the connecting through pipe (75) in a circumferential direction in a rotating connection mode, and the inner clamping block (752) is connected with the connecting through pipe (75) through a pullback spring (753).

6. A corrosion resistant, pressure resistant valve fitting according to claim 1, wherein: the structure of drive ratch (85) and driven ratch (86) is unanimous, and drive ratch (85) are hollow structure, offer on the left end face of drive ratch (85) and polish pole (89) screw hole D (851) that mutually supports and use, install stability sleeve pipe (852) through threaded connection's mode on drive ratch (85) surface.

7. A corrosion resistant, pressure resistant valve fitting according to claim 1, wherein: and the surface of the grinding rod (89) is uniformly provided with powder collecting grooves E (893) along the circumferential direction.

8. A corrosion resistant, pressure resistant valve fitting according to any one of claims 1 to 7, wherein: the method for manufacturing the corrosion-resistant and pressure-resistant valve joint by using the pipeline inner wall grinding equipment comprises the following steps:

s1, preparing work: before the inner wall of the water service pipe (1) is ground and polished by using pipeline inner wall grinding equipment, the operation of the equipment is detected and adjusted;

s2, polishing the inner wall: manually polishing the inner wall of the water service pipe (1) by using pipeline inner wall polishing equipment, and polishing the inner wall of the water service pipe (1) smoothly;

s3, assembling parts: manually assembling and forming the water pipe (1), the closing plate (2), the pull-back rod (3), the connecting spring (4) and the adjusting threaded rod (5) to form a finished product of the corrosion-resistant and pressure-resistant valve joint;