CN218314220U - Flue prefabrication shaping centre form - Google Patents
Flue prefabrication shaping centre form Download PDFInfo
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- CN218314220U CN218314220U CN202222522620.4U CN202222522620U CN218314220U CN 218314220 U CN218314220 U CN 218314220U CN 202222522620 U CN202222522620 U CN 202222522620U CN 218314220 U CN218314220 U CN 218314220U
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- sliding block
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- flue
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Abstract
The utility model relates to the technical field of inner molds of building flues, in particular to a flue prefabricating and forming inner mold, which comprises a contraction component, a supporting component, a template component, a wedge-shaped sliding block, a movable sliding block, a connecting plate, a nut block, a screw rod, a large template, a small template, a wheel, an H-shaped supporting beam and a limiting block; the integrated design is adopted, so that the four surfaces can simultaneously contract inwards, and the four surfaces in the flue are ensured to be separated from the surface of the die; the wedge-shaped sliding block is adopted, so that the template can be well supported; the template part is composed of four parts, and the number of integrally connected gaps is small, namely four gaps are formed; the screw is adopted to provide power for contraction, and the contraction is stable; two adjacent supporting points are driven by positive and negative screws, and the supporting points can counteract the action of the screws, so that the screws are prevented from being subjected to too large axial force; after the shrinkage is completed, the mold is supported by the wheels during the demolding, so that the severe friction between the mold and the inner wall of the flue is avoided, and the demolding is convenient.
Description
Technical Field
The utility model relates to a mould technical field specifically is a prefabricated shaping centre form of flue in the building flue.
Background
The flue is a pipeline for exhausting oil smoke, is an indispensable part in most buildings and mainly comprises a concrete prefabricated part and a metal part, wherein the concrete prefabricated part is common, but the existing concrete flue is basically manufactured manually during prefabrication, the production efficiency is low, the wall thickness of each pipe wall is difficult to keep consistent during manual manufacturing, the waste of raw materials is serious, each pipe wall is not manufactured at one time during manual manufacturing, the product strength is low, the product quality is difficult to guarantee, the pipe is easy to break during transportation and use, and some flues are manufactured by a mold. The demoulding is difficult and has certain defects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prefabricated shaping centre form of flue through setting up shrink subassembly, template subassembly and supporting component, reaches the convenient and convenient prefabricated purpose of drawing of patterns.
In order to achieve the above purpose, the utility model provides a following technical scheme: a flue prefabrication forming internal mold comprises a contraction assembly, wherein the contraction assembly consists of a wedge-shaped sliding block, a movable sliding block, connecting plates, a nut block and a screw rod, vertical threads of the screw rod are penetratingly arranged on the nut block, the nut block is rotatably connected with the two connecting plates through pin shafts, one ends of the two connecting plates, far away from the nut block, are rotatably connected with the wedge-shaped sliding block through the pin shafts, and the movable sliding block is slidably arranged on the wedge-shaped sliding block;
the template assembly comprises a large template fixedly arranged on the movable sliding block and a small template fixedly arranged on the wedge-shaped sliding block;
still include supporting component, supporting component includes wheel and two H type supporting beam, two the centre bore has all been seted up to the center department of H type supporting beam top surface, the top and the bottom department of screw rod are respectively through the corresponding installation in two H type supporting beam's centre bore of bearing, the wheel is installed to four corners of H type supporting beam.
Preferably, the both sides of wedge slider are equipped with T type step portion, move and offer the T type groove with T type step portion adaptation on the slider, the T type step portion slidable mounting of wedge slider is at the T type inslot that moves the slider.
Preferably, the large template and the small template are both right-angle plates, and notches for sliding of the wheels are formed in the edges of the large template.
Preferably, the top surface of the H-shaped supporting beam is fixedly provided with a limiting block for avoiding the excessive contraction of the template assembly.
Preferably, the number of the nut blocks is at least four, the thread directions of the adjacent nut blocks are opposite, and four sections of external threads matched with the nut blocks are formed on the screw rod.
Preferably, the outermost dimension of the wheels is slightly smaller than the outer periphery of the template in the expanded state and larger than the outer periphery of the template in the contracted state.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model comprises a contraction component, a template component and a supporting component, and adopts an integrated design, thereby realizing the simultaneous inward contraction of four surfaces and ensuring that the four surfaces in the flue are separated from the surface of the mold; the wedge-shaped sliding block is adopted, so that the template can be well supported; the template part is composed of four parts, and the number of integrally connected gaps is small, namely four gaps are formed; the screw is adopted to provide power for contraction, and the contraction is stable; two adjacent supporting points are driven by positive and negative screws, and the supporting points can counteract the action of the screws, so that the screws are prevented from being subjected to too large axial force; after the shrinkage is finished, the mold is supported by the wheels during the demolding, so that the severe friction between the mold and the inner wall of the flue is avoided, and the demolding is convenient.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the connection structure of each component of the present invention;
fig. 3 isbase:Sub>A schematic view of the present invention taken along the directionbase:Sub>A-base:Sub>A in fig. 1.
In the figure: 10. a retraction assembly; 11. a support assembly; 12. a template assembly; 101. a wedge-shaped slider; 102. a movable slide block; 105. connecting plates; 106. a nut block; 107. a screw; 121. a large template; 122. a small template; 111. a wheel; 112. an H-shaped support beam; 1121. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a prefabricated shaping centre form of flue, including shrink subassembly 10, shrink subassembly 10 is by wedge slider 101, move slider 102, link board 105, nut piece 106 and screw rod 107 constitute, the vertical screw thread of screw rod 107 runs through to be installed on nut piece 106, be connected with two link boards 105 through the round pin hub rotation on the nut piece 106, two link boards 105 keep away from the one end of nut piece 106 and all be connected with wedge slider 101 through the round pin hub rotation, slidable mounting has slide slider 102 on the wedge slider 101, screw rod 107 and nut piece 106 pass through screw-thread fit, rotatory screw rod 107, drive nut piece 106 up-and-down motion. The nut block 106 is connected to the link plate 105 by a pin. The wedge-shaped sliding block 101 is connected with the connecting plate 105 through a pin shaft, T-shaped steps on two sides of the wedge-shaped sliding block 101 are matched with a T-shaped groove of the movable sliding block 102, and the wedge-shaped sliding block 101 slides along the T-shaped groove of the movable sliding block 102. The screw 107 is rotated to move the nut block 106 up and down. The nut block 106 drives the connecting plate 105, and the connecting plate 105 drives the wedge-shaped sliding block 101 to slide inwards or outwards. The wedge sled 101 slides inward to effect inward retraction. The inward contraction of the wedge-shaped slider 101 causes the movable slider 102 to contract inward. The wedge-shaped sliding block 101 slides outwards to realize outward supporting, and the wedge-shaped sliding block 101 drives the movable sliding block 102 to support outwards;
the die plate assembly 12 comprises a large die plate 121 fixedly arranged on the movable sliding block 102 and a small die plate 122 fixedly arranged on the wedge-shaped sliding block 101; the small die plate 122 is fixed on the wedge-shaped sliding block 101 and can contract inwards or expand outwards along with the wedge-shaped sliding block 101, the inward contraction realizes the separation from the inner wall of the prefabricated flue, and the outward expansion can reach the size of the flue to be formed. While the small die plate 122 also functions to connect the wedge shoes 101 on the same side.
The large mold plate 121 is fixed on the movable slide block 102 and can contract inwards or expand outwards from the movable slide block 102, the inward contraction realizes the separation from the inner wall of the prefabricated flue, and the outward expansion can reach the size of the flue to be molded. Meanwhile, the large die plate 121 also plays a role of connecting the movable slide block 102 on the same side.
The support component 11 is further included, the support component 11 includes wheels 111 and two H-shaped support beams 112, center holes are formed in centers of top surfaces of the two H-shaped support beams 112, top ends and bottom ends of the screw rods 107 are respectively and correspondingly installed in the center holes of the two H-shaped support beams 112 through bearings, the wheels 111 are installed at four corners of the H-shaped support beams 112, the H-shaped support beams 112 are connected with the screw rods 107 in a matched mode through the center holes, and the screw rods 107 can rotate along the center holes of the H-shaped support beams 112. Meanwhile, the wedge-shaped sliding block 101 and the movable sliding block 102 adopt a step positioning mode, so that the screw 107 is prevented from moving axially.
Two sets of end face support assemblies 11 are located the both ends of template subassembly 12, and with the terminal surface contact location of template subassembly 12, end face support assembly 11 has played the supporting role to screw rod 107 when rotatory screw rod 107, and screw rod 107 can be followed end face support assembly 11 and rotated, and the axial float does not take place.
Furthermore, two sides of the wedge-shaped sliding block 101 are provided with T-shaped step portions, a T-shaped groove matched with the T-shaped step portions is formed in the movable sliding block 102, and the T-shaped step portions of the wedge-shaped sliding block 101 are slidably mounted in the T-shaped groove of the movable sliding block 102.
Further, the large template 121 and the small template 122 are both right-angle plates, notches for sliding the wheels 111 are formed in the edges of the large template 121, and the size of the outermost side of the wheels 111 is slightly smaller than the size of the periphery of the template assembly 12 in the expanded state and larger than the size of the periphery of the template assembly 12 in the contracted state.
Further, the top surface of the H-shaped supporting beam 112 is fixedly installed with a stopper 1121 for preventing the formwork assembly 12 from excessively contracting, when the formwork assembly 12 contracts and is demolded, the wheel 111 contacts with the inner wall of the prefabricated flue, and the whole mold plays a role of supporting, so as to prevent the formwork assembly 12 from rubbing against the inner wall of the prefabricated flue when the formwork assembly 12 is demolded.
A stop block 1121 is provided on the H-shaped support beam 112 for limiting the movement of the formwork assembly 12 during retraction. Preventing over-retraction of the die plate assembly 12. And secondly, when the screw 107 is rotated, the situation that the end face supporting component 11 rotates along with the screw 107 is avoided through the matching of the limiting block 1121 and the inner wall of the template component 12. Third, the limiting block 1121 provides support to the formwork assembly 12 and the entire mechanism through the inner wall of the formwork assembly 12 during shrinkage demolding, and single support by the screw 107 is avoided.
Further, the number of the nut blocks 106 is at least four, the thread directions of the adjacent nut blocks 106 are opposite, four sections of external threads matched with the nut blocks 106 are arranged on the screw rods 107, and the screw rods 107 and the nut blocks 106 of the adjacent two groups of contraction assemblies 10 adopt threads with different rotation directions. The axial forces acting on the screw 107 during the spreading and shrinking can be counteracted.
The utility model discloses a working process as follows:
as shown in fig. 1-3, when the inner mold of the flue mold is used for molding, the screw 107 is rotated, the screw 107 rotates to drive the screw block 106 to move up and down, the screw block 106 drives the connecting plate 105, the connecting plate 105 drives the wedge-shaped slide block 101 to move outward to drive the large mold plate 121 to expand outward, the wedge-shaped slide block 101 drives the movable slide block 102 to expand outward, the movable slide block 102 supports the large mold plate 121 to expand, the large mold plate 121 and the large mold plate 121 are aligned and folded when the maximum expansion size is reached, then casting of flue concrete is performed between the apparatus and the outer mold, after the flue is solidified and molded, the screw 107 is rotated reversely, the screw 107 rotates to drive the screw block 106 to move up and down, the screw block 106 drives the connecting plate 105, the connecting plate 105 drives the wedge-shaped slide block 101 to move inward to drive the large mold plate 121 to contract, the wedge-shaped slide block 101 moves inward to drive the movable slide block 102 to move inward, the movable slide block 102 drives the large mold plate 121 to contract inward to complete separation of the flue from the inner wall of the flue, the inner wall of the flue and the inner mold is retracted to stop contact with the inner wall of the inner mold 12, and the inner mold assembly, and the prefabricated mold is lifted out of the flue, thereby completing the whole demolding process of the prefabricated mold.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above-described embodiments, but is defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides a flue prefabrication shaping centre form which characterized in that: the telescopic device comprises a contraction assembly (10), wherein the contraction assembly (10) is composed of a wedge-shaped sliding block (101), a movable sliding block (102), connecting plates (105), a nut block (106) and a screw (107), vertical threads of the screw (107) are installed on the nut block (106) in a penetrating mode, the nut block (106) is rotatably connected with the two connecting plates (105) through pin shafts, one ends, far away from the nut block (106), of the two connecting plates (105) are rotatably connected with the wedge-shaped sliding block (101) through the pin shafts, and the movable sliding block (102) is installed on the wedge-shaped sliding block (101) in a sliding mode;
the die plate assembly (12) comprises a large die plate (121) fixedly mounted on the movable sliding block (102) and a small die plate (122) fixedly mounted on the wedge-shaped sliding block (101);
still include supporting component (11), supporting component (11) are including wheel (111) and two H type supporting beam (112), two the centre bore has all been seted up to the center department of H type supporting beam (112) top surface, the top and the bottom department of screw rod (107) are respectively through the corresponding centre bore of installing in two H type supporting beam (112) of bearing, wheel (111) are installed to four corners of H type supporting beam (112).
2. The prefabricated forming internal mold of the flue according to claim 1, characterized in that: the two sides of the wedge-shaped sliding block (101) are provided with T-shaped step parts, a T-shaped groove matched with the T-shaped step parts is formed in the movable sliding block (102), and the T-shaped step parts of the wedge-shaped sliding block (101) are slidably mounted in the T-shaped groove of the movable sliding block (102).
3. The prefabricated forming internal mold for the flue according to claim 2, wherein: the large template (121) and the small template (122) are both right-angle plates, and notches for sliding of the wheels (111) are formed in the edges of the large template (121).
4. The prefabricated forming internal mold for the flue according to claim 1, wherein: the top surface of the H-shaped supporting beam (112) is fixedly provided with a (1121) for avoiding excessive contraction of the template component (12).
5. The prefabricated forming internal mold for the flue according to claim 1, wherein: the number of the nut blocks (106) is at least four, the thread directions of the adjacent nut blocks (106) are opposite, and four sections of external threads matched with the nut blocks (106) are formed in the screw rod (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222522620.4U CN218314220U (en) | 2022-09-23 | 2022-09-23 | Flue prefabrication shaping centre form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222522620.4U CN218314220U (en) | 2022-09-23 | 2022-09-23 | Flue prefabrication shaping centre form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218314220U true CN218314220U (en) | 2023-01-17 |
Family
ID=84838431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222522620.4U Active CN218314220U (en) | 2022-09-23 | 2022-09-23 | Flue prefabrication shaping centre form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218314220U (en) |
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2022
- 2022-09-23 CN CN202222522620.4U patent/CN218314220U/en active Active
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