CN108532838B - Method for manufacturing non-return rubber plug for grouting sleeve - Google Patents
Method for manufacturing non-return rubber plug for grouting sleeve Download PDFInfo
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- CN108532838B CN108532838B CN201810343388.3A CN201810343388A CN108532838B CN 108532838 B CN108532838 B CN 108532838B CN 201810343388 A CN201810343388 A CN 201810343388A CN 108532838 B CN108532838 B CN 108532838B
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- grouting
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/06—Profile cutting tools, i.e. forming-tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Check Valves (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to a method for manufacturing a non-return rubber plug for a grouting sleeve, which comprises a rubber plug body, wherein a through grouting hole is formed in the rubber plug body, the inner wall of the grouting hole is connected with a conical barrel-shaped check valve coaxial with the grouting hole, the outer edge of the bottom of the conical barrel-shaped check valve corresponds to and is fixedly connected with the inner wall of the grouting hole, at least three through breaking lines are arranged on the side wall of the conical barrel-shaped check valve along the generatrix of the conical barrel-shaped check valve so as to break the conical barrel-shaped check valve into valve plates with the quantity corresponding to the breaking lines, and all the breaking lines are uniformly distributed with the axis of the conical barrel-shaped check valve as. The top point of the conical cylindrical check valve faces the inner cavity of the grouting sleeve, the non-return rubber plug is fixedly arranged in the grouting channel of the grouting sleeve, the connection with the grouting pipe can be simple and reliable, the conical cylindrical check valve can be automatically closed to prevent the grouting material from flowing back and overflowing, the implementation of grouting and plugging processes is facilitated, and the grouting quality is improved.
Description
Technical Field
The invention belongs to the technical field of structural members in buildings, and particularly relates to a non-return rubber plug for a grouting sleeve and a manufacturing method thereof.
Background
In recent years, under the background requirement of vigorously advocating green energy conservation, the building industry starts to promote the assembly type buildings, promotes the industrialization and standardization of the buildings, gradually improves the corresponding specifications, and strives to continuously improve the proportion of the assembly type buildings in China and continuously optimize the proportion. The assembly type building is a revolution of the construction mode and the production mode, and the production and assembly construction process of the assembly type component is mature day by day. The method comprises the following steps of connecting a grouting sleeve and a grout anchor in an overlapping mode, embedding the grouting sleeve with one end inserted with a steel bar into the prefabricated shear wall component, hoisting and assembling the prefabricated shear wall component onto a fixed building, inserting the longitudinal bar of the embedded wall extending out of the upper surface of the fixed building into the other end of the grouting sleeve, and filling grouting material into the grouting sleeve to fixedly connect the steel bars at two ends in the grouting sleeve.
In the process of pouring grouting material, communicating a grouting pipe of a grouting pump with a grouting hole of a grouting sleeve and pumping the grouting material into the grouting sleeve, filling the grouting sleeve with the grouting material, then overflowing from a grout outlet, plugging the grout outlet by using a plastic plug, then drawing out the grouting pipe and plugging the grout outlet by using the plastic plug; however, due to the large grouting pressure, when the grouting pipe is drawn out, the grouting material flows back immediately, so that the upper part in the grouting sleeve is hollow, the saturation of grouting is affected, and the quality cannot be guaranteed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problem of providing the non-return rubber plug for the grouting sleeve and the manufacturing method thereof, so that the problem that the grouting saturation is influenced by the backflow overflow of the grouting material after the grouting pipe is drawn out is solved, and the effects of automatically preventing the backflow overflow of the grouting material and facilitating the implementation of the plugging process are achieved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a non return rubber buffer that grout sleeve was used, includes the rubber buffer body, be equipped with the slip casting pore that runs through on the rubber buffer body, the inner wall in slip casting pore is connected with one and the coaxial circular cone cylindric check valve in slip casting pore, the bottom outer fringe of circular cone cylindric check valve corresponds and fixed connection with the inner wall in slip casting pore, sets up at least three disconnected lines that run through on the lateral wall of circular cone cylindric check valve along the generating line of circular cone cylindric check valve in order to divide into the valve block that quantity and disconnected line correspond with circular cone cylindric check valve branch absolutely, and all disconnected lines use the axle of circular cone cylindric check valve as center equipartition.
The vertex of the conical barrel-shaped check valve faces the inner cavity of the grouting sleeve, the non-return rubber plug of the invention is fixedly arranged in the grouting hole of the grouting sleeve or the channel into which grouting material is pumped, when the grouting material is pumped by the grouting pump, under the action of pumping force, the valve plates of the conical cylindrical check valve elastically deform and are separated from each other along a breaking line to form open petals so as to pass through grouting material, so that the grouting material is pumped into the grouting sleeve, the grouting sleeve is filled with the grouting material and then overflows from the grout outlet, the grout outlet is firstly blocked by a plastic plug, when the grouting pipe is drawn out, the valve plates of the conical barrel-shaped check valve are automatically closed under the thrust of the backflow of the grouting material and are mutually abutted along the breaking line to form a stable conical shape, the valve plates cannot continue to elastically deform outwards under the thrust of the backflow of the grouting material, play the non return effect like this, take out the slip casting pipe after, reuse plastics end cap shutoff grout hole prevents with further the reinforcement that the grout flows. After the grouting pipe is drawn out, the grouting pipe does not need to be plugged by a plastic plug, so that the implementation of the plugging process is facilitated, the grouting material is effectively prevented from returning, the upper part in the grouting sleeve is not hollowed, the grouting saturation is effectively ensured, and the quality is improved.
Further perfecting the technical scheme, the grouting hole is provided with internal threads on the hole wall on one side of the bottom of the conical cylindrical check valve.
Therefore, the external thread is arranged at the end part of the grouting pipe of the grouting pump and is in threaded connection with the internal thread of the grouting hole, so that the grouting pipe is conveniently connected with the grouting hole without manually keeping the connection; and the valve plate of the conical cylindrical check valve can be jacked through the front end of the grouting pipe, so that the conical cylindrical check valve is in an open state when grouting materials are pumped, the valve plate of the conical cylindrical check valve is not required to be pushed open by pumping force, and the grouting process is further facilitated.
Further, the conical barrel-shaped check valve and the rubber plug body are of an integrally formed structure.
Like this, make simply, the bottom of circular cone cylindric check valve is connected more reliably with the slip casting pore inner wall of rubber buffer body, need not to increase the connecting piece in addition, and the structure is simpler, reduces material and cost of manufacture.
The invention also relates to a method for manufacturing the non-return rubber plug for the grouting sleeve, which comprises the following steps:
1) integrally molding the conical barrel-shaped check valve and the rubber plug body;
2) finishing the processing of the broken line by using a formed star-shaped cutter through a grouting pore channel, and dividing the conical cylindrical check valve into valve plates with the number corresponding to the broken line; the number of the blades of the star-shaped cutter corresponds to the number of the breaking lines, all the blades of the star-shaped cutter are uniformly distributed in a uniform dividing mode by taking a rotating shaft of the star-shaped cutter as a center, and the outer diameter of each blade corresponds to the diameter of the grouting pore channel.
Further perfect above-mentioned technical scheme, step 1) is the die-casting shaping with circular cone cylindric check valve and rubber buffer body integrated into one piece's process, including using a mould that has the inner chamber that corresponds with rubber buffer body appearance, on the mould in but the axis both ends of inner chamber sliding connection respectively have the mold core, two mold cores correspond with the slip casting pore space of circular cone cylindric check valve both sides respectively.
Therefore, the core is pulled from two ends to form a grouting hole and a conical barrel-shaped check valve, and the method is suitable for mature mass production.
Furthermore, the mold core corresponding to the space of the grouting pore canal at one side of the bottom of the conical barrel-shaped check valve is also provided with external threads, and the mold core can rotate relative to the mold.
Thus, the mold core is screwed out, so that a grouting hole space and internal threads on one side of the bottom of the conical cylindrical check valve are formed.
Optionally, the method further comprises the step 3) of machining an internal thread on the hole wall of the grouting hole on the side of the bottom of the conical barrel-shaped check valve.
Therefore, the internal thread is machined in a machining mode, the manufacturing difficulty and the core-pulling difficulty of the mold core can be reduced, a lathe or a machining center can be selected as machining equipment, and the lathe with lower cost is optimized for machining.
Optionally, the step 1) of integrally forming the conical barrel-shaped check valve and the rubber plug body is an machining process, and includes the following substeps:
firstly, clamping and processing the excircle and one end face of a rubber plug body at one time, processing a grouting duct space on one side of the bottom of a conical barrel-shaped check valve at the end, and processing internal threads on the wall of a grouting duct on one side of the bottom of the conical barrel-shaped check valve; cutting the rubber plug body according to the total length of the rubber plug body;
processing the grouting pore canal space at one side of the vertex of the conical cylindrical check valve.
Thus, the device is suitable for manufacturing in a trial period or in small batch, a lathe or a machining center can be selected as equipment, and the lower-cost lathe machining is preferred.
Further, the machining method for machining the grouting pore space on one side of the bottom of the conical cylindrical check valve in the substep I is to drill and machine by using a twist drill, wherein the outer diameter of the twist drill corresponds to the diameter of the grouting pore, and the drill tip of the twist drill is ground into a shape corresponding to the inner cavity of the conical cylindrical check valve; and the substep II is processing by using a forming cutter, wherein the forming cutter comprises a blade part corresponding to the section of the grouting pore space on one side of the vertex of the conical cylindrical check valve split along the axis of the grouting pore.
Further, the direction of the star-shaped cutter passing through the grouting hole in the step 2) is from the bottom side of the conical barrel-shaped check valve to the vertex side of the conical barrel-shaped check valve.
Therefore, the stress condition of the side wall of the conical cylindrical geometric solid is met, and the shape of the conical cylindrical geometric solid cannot be damaged.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention ensures that the grouting pipe is simply and reliably connected, the conical barrel-shaped check valve can be automatically closed to prevent the grouting material from flowing back and overflowing, the implementation of grouting and plugging processes is convenient, the saturation of grouting is effectively ensured, and the quality is improved.
2. The invention has simple manufacture, more reliable connection between the bottom of the conical barrel-shaped check valve and the inner wall of the grouting pore of the rubber plug body, no need of additionally adding a connecting piece, simpler structure and low material and manufacturing cost.
3. The invention has the advantages of simple manufacturing process, convenient die manufacturing, common equipment, simple processing cutter, convenient mass production and suitability for popularization and application.
Drawings
FIG. 1-a schematic structural diagram of an embodiment of the present invention;
FIG. 2-the right side view of FIG. 1;
FIG. 3-schematic view of a star cutter used in the manufacturing process of an embodiment of the present invention;
FIG. 4-a schematic view of a mold used in the manufacturing process of an embodiment of the present invention;
fig. 5-a schematic view of a twist drill used in the manufacturing process of an embodiment of the present invention;
FIG. 6-a schematic view of a forming tool used in the manufacturing process of an embodiment of the present invention;
FIG. 7-a schematic diagram of a process for using an embodiment of the present invention;
wherein, the non-return rubber plug 1, the rubber plug body 11, the grouting channel 12, the internal thread 121, the conical barrel-shaped non-return valve 13, the parting line 131, the valve plate 132,
a star-shaped cutter 4, a mould 5, an inner cavity 51, a mould core 52, an external thread 521, a positioning block 53, a twist drill 6, a drill tip 61, a forming cutter 7, a knife edge part 71,
the grouting sleeve 2, the sealing cover 21, the grout outlet pipeline 22, the grouting pipeline 23 and the prefabricated shear wall component 3.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a non-return rubber plug 1 for a grouting sleeve according to a specific embodiment of the present invention includes a cylindrical rubber plug body 11, a through grouting hole 12 coaxial with an outer circle of the rubber plug body 11 is formed on the rubber plug body 11, an inner wall of the grouting hole 12 is connected to a conical cylindrical check valve 13 coaxial with the grouting hole 12, the conical cylindrical check valve 13 and the rubber plug body 11 are integrally formed, an outer edge of a bottom of the conical cylindrical check valve 13 corresponds to and is hermetically connected to an inner wall of the grouting hole 12, three breaking lines 131 penetrating through a side wall are formed on a side wall of the conical cylindrical check valve 13 along a generatrix of the conical cylindrical check valve 13 to break the conical cylindrical check valve 13 into three valve plates 132, and the three breaking lines 131 are equally distributed around an axis of the conical cylindrical check valve 13; the grouting hole 12 is provided with an internal thread 121 on the hole wall at one side of the bottom of the conical barrel-shaped check valve 13.
Referring to fig. 1 to 6, the present invention also provides a method of manufacturing the above non-return rubber stopper 1 for a grout sleeve, comprising the steps of:
1) integrally molding the conical barrel-shaped check valve 13 and the rubber plug body 11;
2) finishing the processing of the breaking line 131 by using a formed star-shaped cutter 4 (as shown in fig. 3) through the grouting hole 12, and dividing the conical cylindrical check valve 13 into three valve plates 132; the front end of the star-shaped cutter 4 is provided with three blades which are uniformly distributed with the rotating shaft of the star-shaped cutter 4 as the center, and the outer diameter formed by the three blades is corresponding to the diameter of the grouting pore passage 12; wherein, the direction of the star-shaped cutter 4 passing through the grouting hole 12 is from the bottom side of the conical barrel-shaped check valve 13 to the vertex side of the conical barrel-shaped check valve 13.
For convenience of mass production, step 1) preferably performs die-casting molding on the conical cylindrical check valve 13 and the rubber plug body 11 in an integrated molding process, wherein the die-casting molding process includes using a die 5 (as shown in fig. 4) having an inner cavity 51 corresponding to the shape of the rubber plug body 11, two ends of an axis of the inner cavity 51 on the die 5 are respectively slidably connected with a die core 52 coaxial with the inner cavity 51, and the two die cores 52 respectively correspond to grouting pore spaces on two sides of the conical cylindrical check valve 13; wherein, the mold core 52 corresponding to the grouting pore space at the vertex side of the conical cylindrical check valve 13 is further provided with an external thread 521, the mold core 52 can also rotate relative to the mold 5, and the external thread 521 is matched with the internal thread 121 in size. When the rubber plug is used, the distance between the conical barrel-shaped check valve 13 and two ends of the rubber plug body 11 and the thickness of the conical barrel-shaped check valve 13 can be adjusted by adjusting the depth of the two mold cores 52 inserted into the mold 5, and the positioning blocks 53 respectively arranged on the outer sides of the mold cores 52 can be used for further positioning; when demoulding, the mold core 52 corresponding to the grouting pore space at one side of the bottom of the conical cylindrical check valve 13 is drawn out, the mold core 52 corresponding to the grouting pore space at one side of the top of the bottom of the conical cylindrical check valve 13 is screwed out, the mold 5 is opened, and the non-return rubber plugs 1 molded in all shapes and sizes are removed.
Considering that the mold core 52 corresponding to the grouting channel space at the vertex side of the bottom of the conical cylindrical check valve 13 is difficult to unscrew due to the long thread section and the viscous and over-tight thread, the mold core 52 corresponding to the grouting channel space at the vertex side of the conical cylindrical check valve 13 may not be provided with the external thread 521, and the mold is drawn out along the axis during demolding; and then, adding the step 3) to finish machining the internal thread 121 on the hole wall of the grouting hole 12 on the bottom side of the conical cylindrical check valve 13 on a lathe, wherein a screw tap or a digging cutter can be adopted as an alternating cutter.
In order to facilitate trial production or small-batch production, the step 1) of integrally molding the conical barrel-shaped check valve 13 and the rubber plug body 11 is preferably machined, and includes the following substeps:
firstly, blanking, wherein the diameter and the length of the material are larger than those of the finished non-return rubber plug 1;
secondly, machining by adopting a lathe, clamping the material by a three-jaw chuck of the lathe, reserving the length for machining a non-return rubber plug 1, and turning the excircle and one end surface of the rubber plug body 11 by using a turning tool;
thirdly, drilling and machining a grouting pore canal space at one side of the bottom of the conical cylindrical check valve 13 at the end of the twist drill 6 (as shown in fig. 5), wherein the outer diameter of the twist drill 6 corresponds to the diameter of the grouting pore canal 12, and a drill tip 6161 of the twist drill 6 needs to be ground into a shape corresponding to the inner cavity of the conical cylindrical check valve 13;
fourthly, machining internal threads 121 on the hole wall of the grouting hole 12 on one side of the bottom of the conical cylindrical check valve 13 by changing a screw tap or a digging cutter;
fifthly, cutting the rubber plug body 11 by the cutter according to the total length of the rubber plug body 11;
sixthly, the excircle of the cut rubber plug body 11 is clamped by a three-jaw chuck of the lathe, and the grouting pore space on one side of the vertex of the conical cylindrical check valve 13 is processed by using a forming tool 7 (shown in figure 6), wherein the forming tool 7 is provided with a blade part 71 corresponding to the section of the grouting pore space on one side of the vertex of the conical cylindrical check valve 13 split along the axis of the grouting pore 12.
In the substep, a common drill bit can be used for drilling first and then the conical barrel-shaped check valve 13 is deeply drilled to the top point, and then the forming tool 7 is replaced to finish the processing.
Referring to fig. 1, 2, and 7, for further understanding, the use of the present embodiment is described as follows:
the non-return rubber plug 1 is arranged in a grouting pipeline 23 of a grouting sleeve 2 in an interference fit mode, the grouting sleeve 2 is of a hollow cylindrical structure, the upper end and the lower end of the grouting sleeve 2 are respectively connected with a sealing cover 21, the upper end of the side wall of the grouting sleeve is connected with a grout outlet pipeline 22, the lower end of the side wall of the grouting sleeve is connected with the grouting pipeline 23, during installation, the vertex of a conical barrel-shaped check valve 13 faces towards the inner cavity of the grouting sleeve 2, the grouting sleeve 2 is embedded in a prefabricated shear wall component 3, and after the prefabricated shear wall component 3 is assembled on a fixed building, the two ends of the grouting sleeve 2 respectively; the grouting pipe with the external thread 521 processed at the front end is screwed with the internal thread 121, the conical cylindrical check valve 13 is jacked at the front end of the grouting pipe, and valve plates 132 of the conical cylindrical check valve 13 are elastically deformed and separated from each other along a breaking line 131 to form open petals to be passed through grouting material; pumping grouting material into the grouting sleeve 2 through a grouting pump; the grout sleeve 2 is filled with the grout and overflows from the grout outlet pipeline 22, the grout outlet pipeline 22 is plugged by the plastic plug, then the grout pipe is drawn out, the valve plate 132 of the conical barrel-shaped check valve 13 is automatically closed under the thrust of the backflow of the grout and is mutually abutted along the breaking line 131 to form a stable conical shape, the outward elastic deformation can not be continued under the thrust of the backflow of the grout, the non-return effect is achieved, and after the grout pipe is drawn out, the mouth part of the grout outlet pipeline 23 is plugged by the plastic plug to further reinforce and prevent the grout from flowing out. Therefore, after the grouting pipe is drawn out, the grouting pipe does not need to be sealed by a plastic plug, the grouting and sealing processes are convenient to implement, the grouting material is effectively prevented from returning, the upper part in the grouting sleeve 2 is not hollow, the grouting saturation is effectively ensured, and the grouting quality is improved.
In implementation, further, a non-return rubber plug 1 may be further disposed in the grout outlet pipe 22, and the vertex of the conical cylindrical check valve 13 still faces the inner cavity of the grouting sleeve 2, so that after the grouting sleeve 2 is filled with grouting material, the grouting material cannot immediately overflow from the grout outlet pipe 22, and the grouting pump continues to provide pumping pressure, so that the compactness of the grouting material in the grouting sleeve 2 is further improved, all sharp corners which cannot be filled in the inner wall of the grouting sleeve 2 are effectively filled, when the grouting pressure reaches a certain value, the valve plates 132 of the conical cylindrical check valve 13 in the grout outlet pipe 22 are broken along the breaking lines 131 to form a stable conical non-return state, the valve plates 132 deform reversely, so that the conical cylindrical check valve 13 is opened in a direction away from the inner cavity of the grouting sleeve 2, the grouting material overflows from the grout outlet pipe 22, the grout outlet pipe 22 is sealed by using a plastic plug, and the subsequent operations are the same as above, the description will not be repeated.
In implementation, as an obvious modification, all the dividing lines 131 equally distributed and uniformly distributed with the axis of the conical cylindrical check valve 13 as the center may also be in a form extending from the vertex of the conical cylindrical check valve 13 to the bottom edge along the generatrix of the conical cylindrical check valve 13, and the length of the dividing line 131 is smaller than the length of the generatrix of the conical cylindrical check valve 13, that is, all the valve plates 132 are not completely divided, so that the integrity of the conical cylindrical check valve 13 is better, but the excessive pulp area of the grouting hole 12 is more occupied; the obvious variants described above are also to be considered as falling within the scope of protection of the present invention.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (1)
1. A non-return rubber plug for a grouting sleeve manufactured by the method comprises a rubber plug body (11), the rubber plug body (11) is provided with a penetrating grouting hole (12), the inner wall of the grouting hole (12) is connected with a conical barrel-shaped check valve (13) which is coaxial with the grouting hole (12), the outer edge of the bottom of the conical cylindrical check valve (13) corresponds to and is fixedly connected with the inner wall of the grouting hole (12), at least three through breaking lines (131) are formed in the side wall of the conical cylindrical check valve (13) along the generatrix of the conical cylindrical check valve (13) so as to divide the conical cylindrical check valve (13) into valve plates (132) of which the number corresponds to that of the breaking lines (131), and all the breaking lines (131) are uniformly distributed in a uniform manner by taking the shaft of the conical cylindrical check valve (13) as the center; the wall of the grouting hole (12) on one side of the bottom of the conical barrel-shaped check valve (13) is provided with internal threads (121);
the method is characterized in that: the method comprises the following manufacturing steps:
1) integrally molding the conical barrel-shaped check valve (13) and the rubber plug body (11);
2) finishing the processing of the breaking line (131) by using a formed star-shaped cutter (4) through a grouting hole (12), and dividing the conical cylindrical check valve (13) into valve plates (132) with the number corresponding to that of the breaking line (131); the number of blades of the star-shaped cutter (4) corresponds to the number of the dividing lines (131), all the blades of the star-shaped cutter (4) are uniformly distributed in an equal way by taking a rotating shaft of the star-shaped cutter (4) as a center, and the outer diameter of each blade corresponds to the diameter of the grouting pore channel (12);
step 1), the process of integrally forming the conical cylindrical check valve (13) and the rubber plug body (11) is die-casting forming, and comprises the steps of using a die (5) with an inner cavity (51) corresponding to the shape of the rubber plug body (11), wherein the two ends of the axis of the inner cavity (51) on the die (5) are respectively connected with a die core (52) in a sliding manner, and the two die cores (52) respectively correspond to grouting pore spaces on two sides of the conical cylindrical check valve (13);
the mold core (52) corresponding to the space of the grouting pore canal on the vertex side of the conical cylindrical check valve (13) is also provided with external threads (521), and the mold core (52) can also rotate relative to the mold (5);
in the step 2), the direction of the star-shaped cutter (4) passing through the grouting pore channel (12) is from one side of the bottom of the conical barrel-shaped check valve (13) to one side of the top of the conical barrel-shaped check valve (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343388.3A CN108532838B (en) | 2018-04-17 | 2018-04-17 | Method for manufacturing non-return rubber plug for grouting sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343388.3A CN108532838B (en) | 2018-04-17 | 2018-04-17 | Method for manufacturing non-return rubber plug for grouting sleeve |
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| CN108532838A CN108532838A (en) | 2018-09-14 |
| CN108532838B true CN108532838B (en) | 2020-08-18 |
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| CN110158861B (en) * | 2019-06-13 | 2021-12-28 | 上海利物宝建筑科技有限公司 | Sealing device is pour to full grout sleeve |
| CN110666927B (en) * | 2019-07-10 | 2021-03-23 | 福建省德化县豪鹏机械有限公司 | Automatic ceramic slip casting method |
| CN110629933A (en) * | 2019-09-30 | 2019-12-31 | 重庆华硕建设有限公司 | Structure of structural column without supporting form |
| CN111173138B (en) * | 2020-01-08 | 2021-08-06 | 浙江宏超建设集团有限公司 | Fabricated building structure and construction method |
| TR202017882A2 (en) * | 2020-11-09 | 2021-01-21 | Eae Elektrik Asansoer Enduestrisi Insaat Sanayi Ve Ticaret Anonim Sirketi | FILLER ASSEMBLY FOR ATTACHMENT IN ENERGY DISTRIBUTION LINES |
| GB2615997A (en) * | 2020-11-09 | 2023-08-30 | Eae Elektrik Asansoer Enduestrisi Insaat Sanayi Ve Ticaret Anonim Sirketi | Filling device for the joint in energy distribution lines |
| CN113702278B (en) * | 2021-09-15 | 2023-09-15 | 杨元奎 | Grouting sleeve compactness detection device for concrete protection layer steel bar connection |
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| DE3445746A1 (en) * | 1984-12-14 | 1986-06-19 | Emil Steidle Gmbh & Co, 7480 Sigmaringen | Seal for clamping-anchor through-holes |
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| CN108532838A (en) | 2018-09-14 |
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