CN107639723A - A kind of the production template and production method of concrete prefabricated wallboard with holes - Google Patents

Abstract

The invention discloses a kind of the production template and production method of concrete prefabricated wallboard with holes, the production surrounds forming cavity with template by foreboard, back plate, left coaming plate, right coaming plate and lower coaming plate, and tensed by pull bar and locking head, also provided pipe is defined in forming cavity by locating rod, the production method is to pour into a mould concrete from the upper end open of forming cavity, it is stripped after solidification, provided pipe is stayed in concrete prefabricated wallboard, forms preformed hole.Concrete prefabricated wallboard with holes produced by the invention is easy to engineering construction in later period, improves operating efficiency and construction quality.

Description

Formwork for production of prefabricated concrete wall panels with holes and production method thereof

technical field

The invention relates to a formwork for the production of a concrete prefabricated wallboard with holes, and also relates to a production method for producing the concrete prefabricated wallboard with holes by using the formwork.

Background technique

With the rapid development of the construction industry and the continuous improvement of people's requirements for environmental quality, various new engineering construction techniques have emerged, and prefabricated wall panels are one of them. The use of prefabricated wall panels to build prefabricated buildings can improve the degree of factory and mechanized construction, reduce on-site wet work, save on-site labor, overcome seasonal influences, and shorten the construction period. At present, when carrying out project decoration, it is often necessary to re-drill holes on the prefabricated wall panels for hoisting various types of pipes, which increases labor, and the impact of the electric drill on the wall panels may easily cause the wall panels to crack.

Therefore, it is an urgent problem to be solved at present to develop a kind of production technology that can produce the concrete prefabricated wall panel that is convenient for post-construction, and is used to improve work efficiency and engineering quality.

Contents of the invention

One of the purposes of the present invention is to provide a formwork for the production of prefabricated concrete wall panels with holes. The prefabricated concrete wall panels with holes produced by the formwork are convenient for later stage construction of the project and improve work efficiency and project quality.

This purpose of the present invention is achieved through the following technical solutions:

A formwork for the production of prefabricated concrete wall panels with holes, including a front panel, a rear panel, a left panel, a right panel, a lower panel, several reserved pipes, several positioning rods, several tie rods and several Locking head, the front plate and the rear plate stand on a horizontal plane correspondingly. The front plate and the rear plate are correspondingly provided with positioning holes arranged horizontally and vertically. The vertical positioning holes on the left side are located on the right A row of vertical positioning holes on the side and a horizontal row of positioning holes at the lower end are distributed with tie rods inserted. The outer side of the pull rod protrudes, and there are connecting threads at both ends of the tie rod. The locking head is provided with a threaded hole corresponding to the connecting thread, and the two ends of the tie rod are respectively screwed with locking heads. The left enclosure, right enclosure and lower enclosure are all It is clamped between the front panel and the rear panel, and the left panel, the right panel and the lower panel are perpendicular to the front panel and the rear panel. The lower ends of the plates are connected, and a molding cavity with an upper end opening is formed by the front panel, rear panel, left panel, right panel and lower panel. The tie rod is located outside the molding cavity, and the positioning rod is horizontally inserted into the range of the molding cavity In the positioning hole, the two ends of the positioning rod are respectively supported on the positioning holes of the front plate and the rear plate. The positioning rod is pierced with a reserved tube, and the reserved tube is located in the molding cavity. The left panel, the right panel and the lower panel Correspondingly, there is a steel bar fixing hole on the top.

Further, the reserved tube is a plastic round tube.

Further, the left side of the left enclosure leans against the vertically distributed pull rods on the left side, the right side of the right enclosure leans against the vertically distributed pull rods located on the right side, and the lower surface of the lower enclosure is supported on the On the tie rods distributed horizontally at the lower end,

Further, the diameter of the through hole in the middle of the reserved pipe is 10mm-20mm.

Further, the spacing between the upper and lower adjacent positioning holes and the spacing between the left and right adjacent positioning holes are all multiples of 100mm, 150mm, 200mm, or 300mm.

Further, the concrete prefabricated wall panel is a prefabricated shear wall, a prefabricated floor slab, a prefabricated inner wall panel or a prefabricated outer wall panel.

The second object of the present invention is to provide a production method for producing the perforated concrete prefabricated wall panel by using the template.

This purpose of the present invention is achieved through the following technical solutions:

The method for producing the perforated concrete prefabricated wallboard with the template, is characterized in that it includes the following steps:

Step 1: Assemble the formwork according to the above structure, stand on a horizontal surface, tighten the locking heads at both ends of the tie rods, so that the left panel, right panel and lower panel are clamped between the front panel and the rear panel, fixed on the steel bars The steel bar is inserted into the hole, and the steel bar is inserted horizontally or vertically in the forming cavity;

Step 2, sealing the seams between the front panel, the rear panel, the left panel, the right panel and the lower panel;

Step 3, pouring concrete into the forming cavity from above;

Step 4, after the concrete is hardened, pull out the positioning rod, unscrew the locking head, disassemble the lower front panel, rear panel, left panel, right panel and lower panel, and reserve the pipe in the formed concrete.

Further, the way of sealing in step 2 is to seal with glue.

Compared with the prior art, the present invention has the following beneficial effects:

1. When using the formwork of the present invention to produce concrete prefabricated wall panels, the reserved pipes are left in the formed concrete prefabricated wall panels, and the middle through holes of the reserved pipes are used as the reserved holes of the concrete prefabricated wall panels, which are constructed in the later stage of the project Among them, the reserved hole can be used for the anchorage of wire pipes, water pipes, fire pipes, air-conditioning installation, curtain wall and insulation layer installation, avoiding the problem of wall panel cracking caused by opening holes in prefabricated wall panels during the construction process, and improving the assembly style. The progress and quality of the construction project improve the safety, facilitate the later construction of the project, and improve the work efficiency.

2. The formwork of the present invention is used standing on a horizontal surface. When pouring, concrete is poured into the forming cavity from above. It is a vertical production with a small footprint, which improves the turnover rate of the site and speeds up the production progress. Moreover, it is molded at one time after pouring concrete on the top, which ensures the quality of the surface of the wall panel, avoids layered cracking of the wall panel, eliminates the need for a vibrating table, and improves work efficiency and engineering quality.

Description of drawings

Fig. 1 is the schematic front view of the template for production of the present invention;

Fig. 2 is a schematic top view of the template for production of the present invention;

Fig. 3 is a schematic front view of the front plate of the template for production of the present invention.

detailed description

A formwork for the production of a perforated concrete prefabricated wall panel as shown in Figure 1, Figure 2 and Figure 3, which includes a front panel 2, a rear panel 11, a left panel 9, a right panel 1, and a lower panel 7 , several reserved pipes 10, several positioning rods 8, several pull rods 5 and several locking heads 6.

The front plate 2 and the back plate 11 are square flat plates of the same size. The front plate 2 and the back plate 11 stand on a horizontal plane one after the other. The horizontal plane can be the ground directly. The positioning holes 3 arranged vertically and regularly, the spacing between the upper and lower adjacent positioning holes 3 and the spacing between the left and right adjacent positioning holes 3 are all multiples of 100mm or 150mm or 200mm or 300mm.

A row of vertical positioning holes on the left side, a vertical row of positioning holes on the right side and a horizontal row of positioning holes on the lower end are distributed with pull rods 5 inserted therein. The specific row of positioning holes can be determined according to the concrete prefabricated wall panels required for production. shape is determined. As shown in Figure 1, there are three pull rods 5 vertically arranged on the left side, three pull rods 5 vertically arranged on the right side, four pull rods 5 arranged horizontally at the lower end, and a positioning hole is spaced between two adjacent pull rods 5 3. The two ends of the pull rod 5 are respectively supported on the positioning holes 3 of the front plate 2 and the rear plate 11, and the two ends of the pull rod 5 respectively protrude from the outer sides of the front plate 2 and the rear plate 11, and the two ends of the pull rod 5 are provided with connecting threads , the locking head 6 is provided with a threaded hole corresponding to the connecting thread, and the two ends of the pull rod 5 are screwed with the locking head 6 respectively.

The left panel 9, the right panel 1 and the lower panel 7 are all clamped between the front panel 2 and the rear panel 11, and the clamping force is adjusted by adjusting the locking head 6, and the left panel 9, the right panel 1 and the The lower panel 7 is perpendicular to the front panel 2 and the rear panel 11, and the left and right ends of the lower panel are respectively connected to the lower edge of the left panel and the lower edge of the right panel. 1. The right panel and the lower panel surround a forming cavity 12 with an upper end opening, and the pull rod 5 is located outside the forming cavity 12, and the pull bar 5 is close to the panel. Left side board 9, right side board 1 and lower side board 7 correspondingly have reinforcing bar fixing holes, left side board 9 and the reinforcement fixing hole of right side board 1 correspond left and right. There is another installation method for the left enclosure, the right enclosure and the lower enclosure: the left side of the left enclosure 9 leans against the pull rods located in the vertical row on the left, and the right side of the right enclosure 1 Leaning on the pull rods distributed vertically on the right side, the lower surface of the lower wall 7 is supported on the pull rods distributed horizontally at the lower end.

The positioning rod 8 is horizontally inserted into the positioning hole 3 within the range of the molding cavity. How many positioning rods need to be inserted and where to insert them can be determined according to actual needs. The two ends of the positioning rod 8 are respectively supported on the front plate 2 and the rear plate. On the positioning hole of 11, the positioning rod 8 is worn with a reserved tube 10, the reserved tube 10 is located in the molding cavity 12, the reserved tube 10 is a plastic tube, and the reserved tube can also be a metal pipe, a wooden tube or the like. The diameter of the through hole in the middle part of the reserved pipe 10 is 10mm-20mm,

The production method of the concrete prefabricated wallboard with the described formwork production band comprises the following steps:

Step 1: Assemble the template according to the above structure, stand on a horizontal surface, tighten the locking heads 6 at both ends of the tie rod 5, so that the left panel 9, the right panel 1 and the lower panel 7 are clamped to the front panel and the rear panel Between the plates, insert steel bars 4 into the steel bar fixing holes, and the steel bars 4 are inserted horizontally or vertically into the forming cavity 12, as shown in Figure 1, the left and right ends of the horizontally inserted steel bars 4 are respectively supported on the left wall and the right wall On the steel bar fixing hole of the slab, the lower end of the vertical steel bar is inserted into the steel bar fixing hole of the lower coaming, and the upper end of the vertical steel bar is adjusted by swinging during pouring to make the steel bar vertical;

Step 2, sealing the seams between the front panel, the rear panel, the left panel, the right panel and the lower panel by applying glue to seal;

Step 3, pouring concrete into the forming cavity from above;

Step 4, after the concrete is hardened, pull out the positioning rod 8, unscrew the locking head 6, remove the lower front panel, rear panel, left panel, right panel and lower panel, and reserve the pipe 10 in the formed concrete .

It can be known from the above method that the concrete prefabricated wallboard produced by the formwork of the present invention is one-time molding, which ensures the quality of the wallboard surface and avoids the layered cracking of the wallboard. The concrete prefabricated wallboard with holes produced by the present invention can be used as prefabricated shear wallboard, prefabricated floor slab, prefabricated inner wallboard, prefabricated outer wallboard, and the last unused hole on the concrete prefabricated wallboard is sealed or Just fill it.

The above-mentioned embodiments of the present invention do not limit the protection scope of the present invention. Under the premise of the above-mentioned basic technical ideas, other modifications, replacements or changes made to the above-mentioned structures of the present invention in various forms shall fall within the protection scope of the present invention.

Claims (8)

1. A formwork for the production of prefabricated concrete wall panels with holes, characterized in that: it comprises a front panel, a rear panel, a left panel, a right panel, a lower panel, several reserved pipes, several positioning rods, Several pull rods and several locking heads, the front board and the rear board are correspondingly standing on a horizontal plane, and the front board and the rear board are correspondingly provided with horizontally and vertically arranged positioning holes, which are located on the left A vertical row of positioning holes on the side, a vertical row of positioning holes on the right side and a horizontal row of positioning holes on the lower end are distributed with the pull rods inserted, and the two ends of the pull rods are respectively supported on the The positioning holes of the front plate and the rear plate, and the two ends of the pull rod protrude from the outer sides of the front plate and the rear plate respectively, and the two ends of the pull rod are provided with connecting threads, and the locking head corresponds to The connecting thread is provided with a threaded hole, the two ends of the pull rod are respectively screwed with the locking head, and the left panel, the right panel and the lower panel are all clamped between the front panel and the rear panel , and the left enclosure, right enclosure and lower enclosure are perpendicular to the front panel and the rear panel, and the left and right ends of the lower enclosure are respectively connected to the lower end of the left enclosure and the right The lower ends of the enclosures are connected, and a molding cavity with an upper end opening is formed by the front panel, the rear panel, the left enclosure, the right enclosure and the lower enclosure. The tie rod is located outside the molding cavity. The positioning rod is horizontally inserted into the positioning hole within the range of the molding cavity, and the two ends of the positioning rod are respectively supported on the positioning holes of the front plate and the rear plate, and the positioning rod is pierced with the A reserved pipe, the reserved pipe is located in the molding cavity, and the left enclosure, the right enclosure and the lower enclosure are correspondingly provided with reinforcement fixing holes. 2. The formwork for the production of prefabricated concrete wall panels with holes according to claim 1, characterized in that: the reserved pipe is a plastic round pipe. 3. The formwork for the production of prefabricated concrete wall panels with holes according to claim 2, characterized in that: the left side of the left surrounding board leans against the said tie rods arranged vertically on the left side, The right side of the right enclosure is leaned against the tie rods arranged vertically on the right side, and the lower surface of the lower enclosure is supported by the tie rods arranged horizontally at the lower end. 4. The formwork for the production of prefabricated concrete wall panels with holes according to claim 3, characterized in that: the diameter of the through hole in the middle of the reserved pipe is 10mm-20mm. 5. The formwork for the production of prefabricated concrete wall panels with holes according to claim 4, characterized in that: the spacing between the positioning holes adjacent up and down and the spacing between the positioning holes adjacent to the left and right Both are multiples of 100mm or 150mm or 200mm or 300mm. 6. The formwork for the production of prefabricated concrete wall panels with holes according to claim 5, wherein said prefabricated concrete wall panels are prefabricated shear walls, prefabricated floor slabs, prefabricated interior wall panels or prefabricated exterior wall panels . 7. utilize the template described in any one of claim 1 to 6 to produce the production method of described perforated concrete prefabricated wall panel, it is characterized in that, comprises the following steps: Step 1: Assemble the template according to the above structure, stand on a horizontal surface, and tighten the locking heads at both ends of the pull rod, so that the left panel, right panel and lower panel are clamped to the front panel and the rear panel between, inserting a reinforcing bar in the fixing hole of the reinforcing bar, and the reinforcing bar is inserted in the forming cavity horizontally or vertically; Step 2, sealing the seams between the front panel, the rear panel, the left panel, the right panel and the lower panel; Step 3, pouring concrete into the forming cavity from above; Step 4, after the concrete is hardened, pull out the positioning rod, unscrew the locking head, and disassemble the front panel, rear panel, left panel, right panel and lower panel, and the reserved pipe remains in the shaped concrete. 8. The production method according to claim 7, characterized in that: the way of sealing in step 2 is to seal with glue.