CN107839058B - Forming die of prefabricated exhaust duct - Google Patents
Forming die of prefabricated exhaust duct Download PDFInfo
- Publication number
- CN107839058B CN107839058B CN201710917243.5A CN201710917243A CN107839058B CN 107839058 B CN107839058 B CN 107839058B CN 201710917243 A CN201710917243 A CN 201710917243A CN 107839058 B CN107839058 B CN 107839058B
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- positioning
- sleeve
- cutting cylinder
- outer sleeve
- fixedly connected
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- 238000005520 cutting process Methods 0.000 claims abstract description 73
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/10—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article
- B28B7/12—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article by fluid pressure, e.g. acting through flexible wall parts or linings of the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to a forming die for prefabricating an exhaust pipeline, which comprises an inner die and an outer die, wherein a forming cavity is arranged between the inner die and the outer die, a forming frame is arranged in the forming cavity, a cutting device is arranged on the inner die and/or the outer die, the cutting device comprises an outer sleeve, a plugging part is arranged in the outer sleeve, the outer sleeve is fixedly connected with the plugging part, and a cutting cylinder capable of cutting an exhaust pipeline into a pressing groove is arranged between the outer sleeve and the plugging part; when producing exhaust duct, cut out the indent through the cutting cylinder in the position that needs the trompil to make things convenient for exhaust duct's through-hole to offer, the through-hole shape rule of seting up, this patent is only cut out the indent through cutting device in the position that needs the trompil on the pipeline, and is not directly cut out the hole, only when the installation needs the trompil, just break through the through-hole, has guaranteed exhaust duct's intensity.
Description
Technical Field
The invention relates to a pipeline forming die, in particular to a forming die for prefabricating an exhaust pipeline.
Background
The flue is used for removing flue gas generated by kitchen cooking activities or pipeline products of toilet turbid gas, namely an exhaust duct, a ventilating duct and a residence exhaust duct, and the residence flue is a main component of a residence kitchen and toilet shared exhaust pipeline system.
The existing exhaust pipeline is required to be provided with through holes on the side wall of the pipeline so as to be communicated with each user, so that the exhaust pipeline is used for exhausting flue gas or turbid gas, the exhaust pipeline is a thin-wall square cement pipeline and is a non-circular component, the wall thickness is 1.5cm, reinforcing ribs such as iron wires are further added in the thin wall, the exhaust pipeline is inconvenient to be provided with the through holes, the exhaust pipeline is easy to damage, the overall strength of the exhaust pipeline is further influenced, the shape of the provided through holes is irregular, and the installation of subsequent parts is inconvenient.
The exhaust pipeline is a thin-wall square cement pipeline, a non-circular member and a wall thickness of 1.5cm, reinforcing ribs such as iron wires are added in the thin wall, and the exhaust pipeline cannot be processed in the traditional mode, such as extrusion type, drawing type or centrifugal type.
The manual processing production efficiency is low, the quality of each pipeline is difficult to guarantee, the mould cannot be a drawing type mould or can not be installed for a hinge type mould, a boss, a barrel or an independent mould core are arranged on the inner wall of the mould plate, when the mould is removed, the inner mould and the outer mould are required to be simultaneously opened in a translation mode, the relative difficulty of opening the outer mould in a translation mode is small, but the inner mould adopts an inward shrinkage type mould removing mode, because the inner space is small, the inner mould is simultaneously shrunk inwards, the difficulty is large, the length of an exhaust pipeline is generally several meters, the length is large, the wall thickness is thin, and the technical difficulty of the inner mould is too large to realize the inward shrinkage simultaneously.
In the pouring process, the boss or the barrel on the inner wall of the template is embedded into the cement pipe fitting, the boss or the barrel is not easy to detach after pouring, the inner mold can only be disassembled through the internal contraction type mold stripping, the outer mold adopts the translational type mold stripping, and the mold stripping difficulty is high; in order to reduce the difficulty of demolding, a release agent is arranged on the boss or the cylinder body, but the setting of the release agent can influence the solidification of the pipe fitting, reduce the strength of the pipe fitting and damage the integrity of the pipe fitting.
Disclosure of Invention
The invention aims to solve the problems and provides the forming die for the prefabricated exhaust pipeline, which can be used for arranging the groove at the position of the reserved hole, is convenient to open the through hole, is regular in shape of the opened through hole, is easy to disassemble, and does not reduce the strength of the exhaust pipeline.
In order to solve the problems, the invention adopts the following technical scheme: the forming die for the prefabricated exhaust pipeline comprises an inner die and an outer die, a forming cavity is formed between the inner die and the outer die, a forming frame is arranged in the forming cavity, a cutting device is arranged on the inner die and/or the outer die, the cutting device comprises an outer sleeve, a plugging part is arranged in the outer sleeve, the outer sleeve is fixedly connected with the plugging part, and a cutting cylinder capable of cutting the exhaust pipeline out of a pressing groove is arranged between the outer sleeve and the plugging part.
When producing exhaust duct, cut out the indent through the cutting cylinder in the position that needs the trompil to make things convenient for exhaust duct's through-hole to offer, the through-hole shape rule of seting up, this patent is only cut out the indent through cutting device in the position that needs the trompil on the pipeline, and is not directly cut out the hole, only when the installation needs the trompil, just break through the through-hole, has guaranteed exhaust duct's intensity.
As an optimization scheme, the cutting cylinder is connected with a connecting part.
As an optimization scheme, the connecting part is provided with a connecting seat, the outer sleeve is hinged with a handle, and the other end of the handle penetrates through the connecting seat.
As an optimization, the connecting seat is positioned on the outer side or the inner side of the connecting part.
As an optimization scheme, a gap is formed between the handle and the connecting seat.
As an optimization scheme, a supporting seat is fixed on the outer sleeve, and the handle is hinged with the supporting seat.
As an optimization scheme, the outer sleeve is fixedly connected with a supporting plate, and the supporting seat is positioned on the supporting plate.
As an optimization scheme, a guide shaft is fixedly connected to the plugging part, the other end of the guide shaft penetrates out of the connecting part, and a first spring is sleeved on the guide shaft between the plugging part and the connecting part.
As an optimization scheme, the connecting part is fixedly connected with a guide sleeve sleeved on the guide shaft.
As an optimization scheme, the number of the guide shafts is two.
As an optimization scheme, the plugging part is fixedly connected with a positioning shaft, a positioning hole is formed in the positioning shaft, and a positioning pin matched with the positioning hole is arranged on the connecting part.
As an optimization scheme, fixedly connected with support on the connecting component, the locating pin is located the support, be provided with the dog on the locating pin, be provided with the second spring that can drive the locating pin and insert the locating hole on the locating pin between dog and the support.
As an optimization scheme, a positioning sleeve is fixedly connected to the connecting component, and the positioning pin penetrates through the positioning sleeve to be connected with the positioning shaft.
As an optimization scheme, an inner sleeve is arranged in the cutting cylinder, and the blocking part is fixedly connected with the inner sleeve.
As an optimization scheme, the outer sleeve and the inner sleeve are respectively provided with a connecting lug, a cushion block is arranged between the two connecting lugs, and the two connecting lugs and the cushion block are fixedly connected through bolts and nuts.
As an optimization scheme, the outer sleeve and the cutting cylinder are rectangular, square or round in shape.
As an optimization scheme, the size of the cutting cylinder is 17 multiplied by 20cm or 21 multiplied by 25cm when the cutting cylinder is rectangular, and the diameter of the cutting cylinder is 160cm or 115cm when the cutting cylinder is circular.
As an optimization scheme, the outer sleeve and the plugging member are of an integrated structure or are welded.
As an optimization scheme, the distance between the end face of the cutting cylinder and the inner surface of the plugging part is 10-15cm when the cutting cylinder stretches out.
A method of using a forming die for prefabricating an exhaust duct, the method comprising the steps of:
assembling the inner die and the outer die;
the cutter is fixed on a side template of the outer die through a supporting plate, and the inner ends of the outer sleeve, the cutting cylinder and the inner sleeve are flush with the inner wall of the side template of the outer die;
before pouring or after pouring is finished, pressing the handle to press the cutting cylinder into the cavity of the die, and simultaneously compressing the first spring;
when the through hole on the positioning sleeve is aligned with the positioning hole on the positioning shaft, the positioning pin is inserted into the positioning hole under the action of the second spring, the handle is loosened, and the position of the cutting cylinder is fixed through the positioning pin and the positioning shaft;
after the poured exhaust pipeline is solidified, the positioning pin is pulled out through the pull ring, the cutting cylinder is reset under the action of the first spring, the template is removed, and the processing is completed
The invention adopts the technical proposal and has the following advantages:
through interior, outer mould processing, pour into concrete slurry in between, outer mould, shake closely knit back, form removal shaping, this patent has realized the mould ization production of thin wall exhaust duct to reserve the trompil position, through setting up cutting device, when producing exhaust duct, cut out the indent in the position that needs the trompil, thereby make things convenient for exhaust duct's through-hole to set up, the through-hole shape rule of seting up is convenient for the installation of follow-up part.
The internal mold adopts a plurality of assembled molds, the technical problem of large mold removal difficulty is effectively solved, the technical scheme not only realizes the mold production problem of a long-length thin-wall exhaust pipeline, but also solves the problem of arranging a preformed hole on the pipeline, and the problem of reducing the strength of the pipeline by coating a release agent for demolding is solved.
The invention is further described below with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic structural diagram of a mold for prefabricating an exhaust duct in an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a cutting device;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a cross-sectional view of fig. 3.
In the figure:
1-a bottom template; 2-side templates; 3-internal mold; 4-pressing plates; 5-forming a frame; 6-a second connecting lug; 7-a third connecting ear; 8-reinforcing rods; 9-through holes; 10-bolts; 11-a nut; 12-connecting bolts; 13-a supporting seat; 14-connecting the sleeve; 15-forming a cavity; 16-a support plate; 17-an outer sleeve; 18-a cutting cylinder; 19-an inner sleeve; 20-a first connection lug; 21-cushion blocks; 22-a guide sleeve; 23-a guide shaft; 24-pull ring; 25-locating pins; 26-supporting seat; 27-a second spring; 28-stop; 29-positioning a shaft; 30-positioning sleeves; 31-handle; 32-connecting seats; 33-connecting means; 34-a supporting seat; 35-a first spring; 36-positioning holes; 37-occlusion means.
Detailed Description
Examples: as shown in fig. 1 and fig. 2, the forming die for the prefabricated exhaust pipeline comprises an inner die 3 and an outer die, a forming cavity 15 is arranged between the inner die 3 and the outer die, a forming frame 5 is arranged in the forming cavity 15, a pressing plate 4 is arranged on the inner wall of the inner die 3, fastening devices for fixing the inner die, the inner die 3, the forming frame 5 and the pressing plate 4 are arranged on the outer die, the inner die and the pressing plate 4, and a reinforcing rod 8 is arranged in the inner die 3.
The outer mold comprises a bottom mold plate 1 and a side mold plate 2 matched with the bottom mold plate, the inner mold plate 3 consists of a plurality of mold plates, the joint of the adjacent mold plates is obliquely arranged, the shape of the inner mold plate 3 is cylindrical or square, and the inner mold plate 3 can also adopt an integrally formed structure.
The side template 2 is provided with a second connecting lug 6, the forming frame 5 is provided with a third connecting lug 7, and the second connecting lug 6 and the third connecting lug 7 are connected through bolts.
The number of the molding frames 5 is three, and the three molding frames 5 are arranged along the longitudinal direction of the molding cavity 15.
The fastening device comprises bolts 10 penetrating through the side templates 2, the inner mold 3, the forming frame 5 and the pressing plate 4 and nuts 11 connected with the bolts 10, and through holes 9 for allowing the bolts 10 to penetrate are respectively arranged on the side templates 2, the inner mold 3 and the forming frame 5.
The two sides of the bottom template 1 are respectively provided with a connecting sleeve 14, the side template 2 is provided with a supporting seat 13, the supporting seat 13 is provided with a connecting bolt 12, and the connecting bolt 12 passes through the supporting seat 13 to be in threaded connection with the connecting sleeve 14.
The outer die is provided with a cutting device, the cutting device is arranged on the side die plate 2, and the cutting device can be arranged at other positions as long as the requirements can be met.
The cutting device can also be arranged on the inner die 3, and the cutting device can also be arranged on the outer die and the inner die at the same time, and can be arranged according to the needs.
The cutting device can also be arranged on other moulds such as a vertical mould, and can also be arranged on moulds of other known structural forms.
As shown in fig. 3, 4 and 5, the cutting device comprises an outer sleeve 17, the outer sleeve 17 is fixedly connected with a supporting plate 16, the outer sleeve 17 penetrates out of the supporting plate 16 and is higher than the plane of the supporting plate 16, the outer sleeve 17 is higher than the plane of the supporting plate 16 by the same height as the thickness of the template, so that after the cutting device is installed, the end face of the outer sleeve 17 is flush with the inner surface of the template, a blocking part 37 is arranged in the outer sleeve 17, the outer sleeve 17 is fixedly connected with the blocking part 37, a cutting cylinder 18 capable of cutting an exhaust pipeline out of a pressing groove is arranged between the outer sleeve 17 and the blocking part 37, an inner sleeve 19 is arranged in the cutting cylinder 18, and the blocking part 37 is fixedly connected with the inner sleeve 19.
The blocking member 37 is a plate-like member, and may be a disk structure.
When the cutting is not performed, the end faces of the outer sleeve 17, the cutting cylinder 18 and the inner sleeve 19 are flush, one end of the outer sleeve 17, the cutting cylinder 18 and the inner sleeve 19 which are positioned in the die are flush with the inner wall of the die plate, the outer sleeve 17, the cutting cylinder 18 and the inner sleeve 19 are tightly attached to each other, and casting slurry cannot overflow from the connecting position of the outer sleeve 17, the cutting cylinder 18 and the inner sleeve 19.
The cutting cylinder 18 is extended with its end face at a distance of 10-15cm from the inner surface of the plugging member 22.
The outer sleeve 17 and the inner sleeve 19 are respectively provided with a first connecting lug 20, a cushion block 21 is arranged between the two first connecting lugs 20, and the two first connecting lugs 20 and the cushion block 21 are fixedly connected through bolts and nuts.
The first connection lugs 20 are provided with six groups, and are arranged along the circumferential direction, so that the number of the groups of the first connection lugs 20 can be increased or decreased as required.
The outer sleeve 17, the cutting cylinder 18 and the inner sleeve 19 are rectangular, the four corners of the rectangular sleeve are in a circular arc structure, and the outer sleeve 17, the cutting cylinder 18 and the inner sleeve 19 can also adopt square, circular and other structures.
The cutting cylinder 18 is rectangular in shape and has a size of 17X 20cm or 21X 25cm, and the cutting cylinder 18 is circular in shape and has a diameter of 160cm or 115cm.
The cutting tube 18 is connected with a connecting part 33, the outer end of the cutting tube 18 is connected with the connecting part 33, the connecting part 33 is of a plate-shaped structure and is of a cross-shaped structure, and one end, connected with the cutting tube 18, of the connecting part 33 is bent by 90 degrees towards the direction of the cutting tube 18 and is fixedly connected with the cutting tube 18.
Other configurations of the connecting member 33 may be employed as desired.
The connecting part 33 is provided with a connecting seat 32, the outer sleeve 17 is hinged with a handle 31, and the other end of the handle 31 passes through the connecting seat 32.
The connecting seat 32 is in a plate-shaped structure, the connecting seat 32 is perpendicular to the connecting part 33, the connecting seat 32 is positioned at the middle position, and the connecting seat 32 is positioned at the outer side of the connecting part 33.
The connection base 32 and the handle 31 may be provided inside the connection member 33 as needed, and the connection base 32 and the handle 31 may be positioned between the connection member 33 and the blocking member 37, and the connection member 33 may be provided with a chute for accommodating the handle 31.
A gap is formed between the handle 31 and the connecting seat 32, the handle 31 is cylindrical, a through hole for accommodating the handle 31 to pass through is formed in the connecting seat 32, the diameter of the through hole is larger than that of the handle, and the handle 31 and the connecting part 33 are arranged in parallel.
The outer sleeve 17 is fixedly provided with a supporting seat 34, the handle 31 is hinged with the supporting seat 34, the supporting seat 34 is positioned on the supporting plate 16, the supporting seat 34 is fixedly connected with the supporting plate 16, the supporting seat 34 is perpendicular to the supporting plate 16, and the height of the supporting seat 34 is greater than that of the connecting part 33.
The sealing component 37 is fixedly connected with a guide shaft 23, the guide shaft 23 is perpendicular to the sealing component 37, the other end of the guide shaft 23 penetrates out of the connecting component 33, and a first spring 35 is sleeved on the guide shaft 23 between the sealing component 37 and the connecting component 33.
The connecting member 33 is fixedly connected with a guide sleeve 22 sleeved on the guide shaft 23, the guide sleeve 22 is positioned outside the connecting member 33, and the guide sleeve 22 can be arranged inside the connecting member 33 according to the requirement.
The number of the guide shafts 23 is two, and the number of the guide shafts 23 may be increased or decreased as needed.
The plugging member 37 is fixedly connected with a positioning shaft 29, the positioning shaft 29 is perpendicular to the plugging member 37, the positioning shaft 29 is provided with a positioning hole 36, the connecting member 33 is provided with a positioning pin 25 matched with the positioning hole 36, and the positioning hole 36 is arranged along the radial direction of the positioning shaft 29.
The connecting part 33 is fixedly connected with the support 26, the two supports 26 are located, the positioning pin 25 is located on the support 26, the positioning pin 25 is provided with the stop block 28, the positioning pin 25 between the stop block 28 and the support 26 far away from the positioning shaft 29 is provided with the second spring 27 capable of driving the positioning pin 25 to be inserted into the positioning hole 36, and one end of the positioning pin 25 far away from the positioning shaft 29 is connected with the pull ring 24.
The connecting part 33 is fixedly connected with a positioning sleeve 30, and the positioning pin 25 passes through the positioning sleeve 30 along the radial direction of the positioning sleeve 30 and is connected with the positioning shaft 29.
The support 26 and the positioning sleeve 30 are located outside the connecting member 33.
It is also possible to use a construction in which the outer sleeve 17 and the blocking member 37 are integrally formed or to weld the outer sleeve 17 and the blocking member 37.
When in use, the inner mold 3 and the outer mold are assembled;
the cutter is fixed on the side template 2 of the outer mold through a supporting plate 16, and the inner ends of the outer sleeve 17, the cutting cylinder 18 and the inner sleeve 19 are flush with the inner wall of the side template 2 of the outer mold;
before casting or after casting is completed, pressing the handle 31 to press the cutting cylinder 18 into the cavity of the die while compressing the first spring 35;
when the through hole on the positioning sleeve 30 is aligned with the positioning hole 36 on the positioning shaft 29, the positioning pin 25 is inserted into the positioning hole 36 under the action of the second spring 27, the handle 31 is loosened, and the position of the cutting cylinder 18 is fixed through the positioning pin 25 and the positioning shaft 29;
after the poured exhaust pipe is solidified, the positioning pin 25 is pulled out through the pull ring 24, the cutting cylinder 18 is reset under the action of the first spring 35, the template is removed, and the machining is completed.
The through hole can be directly machined by machining a pressing groove through the cutting cylinder 18 and adjusting the stroke of the cutting cylinder 18.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The utility model provides a prefabricated exhaust duct's forming die, includes centre form (3) and external mold, be provided with shaping chamber (15) between centre form (3) and the external mold, be provided with shaping frame (5), its characterized in that in shaping chamber (15): the cutting device is arranged on the inner die (3) and/or the outer die and comprises an outer sleeve (17), a blocking component (37) is arranged in the outer sleeve (17), the outer sleeve (17) is fixedly connected with the blocking component (37), and a cutting cylinder (18) is arranged between the outer sleeve (17) and the blocking component (37);
the cutting cylinder (18) is connected with a connecting part (33);
a connecting seat (32) is arranged on the connecting part (33), a handle (31) is hinged on the outer sleeve (17), and the other end of the handle (31) penetrates through the connecting seat (32);
the connecting seat (32) is positioned on the outer side or the inner side of the connecting part (33);
a gap is formed between the handle (31) and the connecting seat (32);
a supporting seat (34) is fixed on the outer sleeve (17), and the handle (31) is hinged with the supporting seat (34); the outer sleeve (17) is fixedly connected with the supporting plate (16), and the supporting seat (34) is positioned on the supporting plate (16);
a guide shaft (23) is fixedly connected to the blocking part (37), the other end of the guide shaft (23) penetrates out of the connecting part (33), and a first spring (35) is sleeved on the guide shaft (23) between the blocking part (37) and the connecting part (33);
a guide sleeve (22) sleeved on the guide shaft (23) is fixedly connected to the connecting part (33);
the number of the guide shafts (23) is two;
a positioning shaft (29) is fixedly connected to the blocking part (37), a positioning hole (36) is formed in the positioning shaft (29), and a positioning pin (25) matched with the positioning hole (36) is arranged on the connecting part (33);
the connecting component (33) is fixedly connected with a support (26), the positioning pin (25) is positioned on the support (26), a stop block (28) is arranged on the positioning pin (25), and a second spring (27) capable of driving the positioning pin (25) to be inserted into a positioning hole (36) is arranged on the positioning pin (25) between the stop block (28) and the support (26);
a positioning sleeve (30) is fixedly connected to the connecting component (33), and the positioning pin (25) penetrates through the positioning sleeve (30) to be connected with the positioning shaft (29);
an inner sleeve (19) is arranged in the cutting cylinder (18), and the blocking part (37) is fixedly connected with the inner sleeve (19);
the outer sleeve (17) and the inner sleeve (19) are respectively provided with a first connecting lug (20), a cushion block (21) is arranged between the two first connecting lugs (20), and the two first connecting lugs (20) and the cushion block (21) are fixedly connected through bolts and nuts.
2. The prefabricated exhaust duct forming die of claim 1, wherein: the outer sleeve (17) and the cutting cylinder (18) are rectangular, square or circular in shape.
3. The prefabricated exhaust duct forming die of claim 2, wherein: the cutting cylinder (18) is rectangular and has a size of 17X 20cm or 21X 25cm, and the cutting cylinder (18) is circular and has a diameter of 160cm or 115cm.
4. The prefabricated exhaust duct forming die of claim 1, wherein: the outer sleeve (17) and the blocking member (37) are of an integral structure or the outer sleeve (17) and the blocking member (37) are welded.
5. The prefabricated exhaust duct forming die of claim 1, wherein: the distance between the end face of the cutting cylinder (18) and the inner surface of the plugging part (37) is 10 cm to 15cm when the cutting cylinder extends out.
6. The application method of the forming die of the prefabricated exhaust pipeline is characterized by comprising the following steps of: the method comprises the following steps: assembling the inner mold (3) and the outer mold; the cutter is fixed on a side template (2) of the outer mold through a supporting plate (16), and the inner ends of the outer sleeve (17), the cutting cylinder (18) and the inner sleeve (19) are flush with the inner wall of the side template (2) of the outer mold; before casting or after casting is completed, pressing the handle (31) to press the cutting cylinder (18) into the cavity of the die, and simultaneously compressing the first spring (35); when the through hole on the positioning sleeve (30) is aligned with the positioning hole (36) on the positioning shaft (29), the positioning pin (25) is inserted into the positioning hole (36) under the action of the second spring (27), the handle (31) is loosened, and the position of the cutting cylinder (18) is fixed through the positioning pin (25) and the positioning shaft (29); after the poured exhaust pipeline is solidified, the positioning pin (25) is pulled out through the pull ring (24), the cutting cylinder (18) is reset under the action of the first spring (35), the template is removed, and the machining is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917243.5A CN107839058B (en) | 2017-09-23 | 2017-09-23 | Forming die of prefabricated exhaust duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917243.5A CN107839058B (en) | 2017-09-23 | 2017-09-23 | Forming die of prefabricated exhaust duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107839058A CN107839058A (en) | 2018-03-27 |
| CN107839058B true CN107839058B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710917243.5A Active CN107839058B (en) | 2017-09-23 | 2017-09-23 | Forming die of prefabricated exhaust duct |
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| CN (1) | CN107839058B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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