CN113580336A - Prefabricated staircase mold and production method of prefabricated staircase - Google Patents

Abstract

The invention relates to a prefabricated staircase die and a production method of a prefabricated staircase. This prefabricated staircase mould includes: a base; the bottom die is fixedly connected to the base; the first flange assembly comprises a side flange and a step flange group, the side flange is fixedly connected to the base and is positioned on one side of the bottom die in the first direction, the step flange group is positioned on the other side of the bottom die in the first direction and comprises a plurality of step flanges which are sequentially arranged in the second direction, and each step flange is arranged on the base and can be controlled to move close to or far away from the side flange in the same direction; the flanges of every two adjacent steps are mutually matched and connected, and the relative position in the moving direction can be adjusted; second flange subassembly, including installing in the first end flange group and the second end flange group of base, first end flange group and second end flange group are located the both ends of die block on the second direction respectively, and first end flange group, second end flange group, side flange, step flange group enclose with the die block and close the formation and pour the chamber.

Description

Prefabricated staircase mold and production method of prefabricated staircase

Technical Field

The invention relates to the technical field of assembly type buildings, in particular to a prefabricated staircase mold and a production method of a prefabricated staircase.

Background

The fabricated building is a building which is formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall slabs, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode.

Prefabricated staircase is comparatively common precast concrete component, and in order to adapt to the polytropy of prefabricated staircase, the size of prefabricated staircase mould need design into adjustable to lead to the structure of prefabricated staircase mould complicated, the group mould, compound die and drawing of patterns process are complicated, have reduced production efficiency, have improved manufacturing cost.

Disclosure of Invention

Therefore, it is necessary to provide a prefabricated staircase mold and a prefabricated staircase production method for overcoming the above defects, aiming at the problems of complex structure, complex mold assembling, mold closing and demolding processes and high production cost of the prefabricated staircase mold in the prior art.

A prefabricated staircase mold, comprising:

a base;

the bottom die is fixedly connected to the base;

the first flange assembly comprises a side flange and a step flange group, the side flange is fixedly connected to the base and is positioned on one side of the bottom die in a first direction, the step flange group is positioned on the other side of the bottom die in the first direction and comprises a plurality of step flanges which are sequentially arranged in a second direction intersecting with the first direction, and each step flange is arranged on the base and can be controlled to move close to or away from the side flange in the same direction; every two adjacent step flanges are mutually matched and connected, and the relative position in the moving direction can be adjusted;

second flange subassembly, including install in first end flange group and second end flange group on the base, first end flange group with second end flange group is located respectively the die block is in the ascending both ends of second side, and, first end flange group second end flange group the side flange step flange group with the die block encloses to close and forms and pours the chamber.

In one embodiment, the step flanges have a first forming surface for forming a tread surface of a stair step and a second forming surface for forming a kick surface of the stair step on one side of the step flanges facing the side flanges, and the first forming surface of one of every two adjacent step flanges is vertically butted with the second forming surface of the other step flange;

the moving direction of the step rib is parallel to the second forming surface.

In one embodiment, the first rib assembly further comprises a limiting mechanism, the limiting mechanism is arranged between every two adjacent step ribs, and the limiting mechanism is used for limiting the distance of the two adjacent step ribs moving relative to each other.

In one embodiment, the limiting mechanism includes a slider, two stoppers and a slide rail, the slider is fixedly connected to one of two adjacent step flanges, the stoppers and the slide rail are fixedly connected to the other of the two adjacent step flanges, and the slider is in sliding fit with the slide rail, the two stoppers are respectively located at two ends of the slide rail, and are used for stopping the slider sliding along the slide rail.

In one embodiment, the limiting mechanism further comprises a fixing support, the slide rail and the stop block are both fixedly connected to the fixing support, and the fixing support is detachably and fixedly connected to the corresponding step stop edge.

In one embodiment, the prefabricated staircase mold further comprises a first driving assembly mounted on the base, the first driving assembly being in driving connection with one of the step flanges of the step flange group near one end of the second end flange group;

one step flange of one end of the step flange group, which is close to the first end flange group, is fixedly connected to the first end flange group.

In one embodiment, the first end rib group includes a first end rib and a second end rib oppositely disposed on the base, and a third end rib disposed between the first end rib and the second end rib, the first end rib is connected to a corresponding end of the side rib, and the second end rib is connected to one of the step ribs at a corresponding end of the step rib group.

In one embodiment, the first end rib group further includes a second driving assembly, and the second driving assembly is mounted on the base and is in driving connection with the third end rib to drive the third end rib to move along the extending direction of the first end rib and the second end rib.

In one embodiment, the second end rib group includes a fourth end rib and a fifth end rib oppositely disposed on the base, and a sixth end rib disposed between the fourth end rib and the fifth end rib, the fourth end rib is connected to a corresponding end of the side rib, and the fifth end rib is connected to one of the step ribs of a corresponding end of the step rib group.

In one embodiment, the second end rib group further includes a third driving assembly, and the third driving assembly is mounted on the base and is in driving connection with the sixth end rib so as to drive the sixth end rib to move along the extending direction of the fourth end rib and the fifth end rib.

In one embodiment, the base is provided with a plurality of parallel guide rails, the plurality of guide rails correspond to the step flanges one by one, the bottoms of the step flanges are provided with supporting rollers and sliding blocks, the supporting rollers are in rolling fit with the corresponding guide rails, and the sliding blocks are in sliding fit with the corresponding guide rails.

A method for producing a prefabricated staircase by using the prefabricated staircase mold in any embodiment, comprising the following steps:

assembling the bottom die, the side flanges, the first end flange group, the second end flange group and each step flange of the step flange group on the base;

adjusting the relative positions of every two adjacent step flanges according to the height size of the steps of the prefabricated staircase to be produced, and assembling and connecting the step flanges with each other;

controlling each step flange of the step flange group to move towards the side flange, so that the side flange, the first end flange group, the second end flange group, the step flange group and the bottom die are enclosed to form the pouring cavity;

arranging a steel bar frame and an embedded part in the pouring cavity, and pouring concrete materials into the pouring cavity;

and demolding after the concrete material is cured to form the prefabricated staircase.

According to the prefabricated staircase mold and the production method of the prefabricated staircase, the step flange group for forming the staircase steps comprises the plurality of step flanges, and the relative position between every two adjacent step flanges is adjustable, so that the purpose of adjusting the height size of the steps of the prefabricated staircase is achieved, and the structure is simple. When the die is assembled, assembled and demolded, each step flange can move close to or far away from the side flange along the same direction in a controlled manner, and the whole formed by the step flanges is assembled, assembled and demolded together, so that the operations of assembling, assembling and demolding are simple, the production efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic structural view of a prefabricated staircase mold according to an embodiment of the present invention;

FIG. 2 is a schematic view of the prefabricated staircase mold shown in FIG. 1, viewed from another perspective;

FIG. 3 is a top view of the prefabricated staircase mold shown in FIG. 1;

FIG. 4 is a bottom view of the prefabricated staircase mold shown in FIG. 1;

FIG. 5 is a front view of the prefabricated staircase mold shown in FIG. 1;

fig. 6 is a partially enlarged view of the prefabricated staircase mold shown in fig. 1 at a;

fig. 7 is a flowchart of a method for producing a prefabricated staircase according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 5, an embodiment of the present invention provides a prefabricated staircase mold, which includes a base 10, a bottom mold 12 (see fig. 4), a first rib assembly 20 and a second rib assembly (not shown). The bottom die 12 is fixedly connected to the base 10, and the first flange assembly 20 and the second flange assembly are also disposed on the base 10 and arranged around the bottom die 12 to form a casting cavity a for casting the prefabricated staircase with the bottom die 12.

The first flange assembly 20 includes a side flange 21 and a step flange group 22. The side rib 21 is fixedly connected to the base 10 and is located on one side of the bottom mold 12 in the first direction a (see fig. 3). The step rib group 22 is located on the other side of the bottom mold 12 in the first direction a, and includes a plurality of step ribs 221 arranged in sequence in a second direction B (see fig. 3) intersecting the first direction a. Each step rib 221 is disposed on the base 10 and can be controlled to move in the same direction toward or away from the side rib 21. Every two adjacent step flanges 221 are mutually matched and the relative position in the moving direction of the step baffle 221 is adjustable. The second edge blocking assembly includes a first end edge blocking set 31 and a second end edge blocking set 32 mounted on the base 10. The first end rib group 31 and the second end rib group 32 are respectively located at two ends of the bottom mold 12 in the second direction B, and the first end rib group 31, the second end rib group 32, the side ribs 21, the step rib group 22 and the bottom mold 12 enclose to form the casting cavity a.

According to the prefabricated staircase mold, the step rib group 22 for forming the staircase steps comprises the plurality of step ribs 221, and the relative position between every two adjacent step ribs 221 is adjustable, so that the purpose of adjusting the height size of the steps of the prefabricated staircase is achieved, and the structure is simple. When the die is assembled, assembled and demolded, each step flange 221 can move close to or far away from the side flange along the same direction in a controlled manner, and the whole formed by the step flanges 221 is assembled, assembled and demolded together, so that the operations of assembling, assembling and demolding are simple, the production efficiency is improved, and the production cost is reduced.

In particular, in the embodiment, the bottom molds 12 are detachably mounted to the base frame 10, so that the corresponding bottom molds 12 can be easily replaced according to the overall width dimension of the prefabricated staircase. Alternatively, the bottom mold 12 may be fastened to the bottom frame 10 by bolting.

In particular embodiments, the side of the step rib 221 facing the side rib 21 has a first forming surface 222 for forming the tread of the stair steps and a second forming surface 223 for forming the riser of the stair steps. It should be noted that, since the tread and the kick of the stair step are perpendicular to each other, the first molding surface 222 and the second molding surface 223 of each step rib 221 are also perpendicular to each other.

The first molding surface 222 of one of each adjacent two step ribs 221 is vertically butted against the second molding surface 223 of the other one thereof, and the moving direction of the step ribs 221 is parallel to the second molding surface 223. In this way, the vertical butt joint position of the first molding surface 222 of one step rib 221 and the second molding surface 223 of the other step rib 221 can be adjusted by adjusting the relative position of the two adjacent step ribs 221 in the moving direction thereof, so as to achieve the purpose of adjusting the height size of the steps.

In the embodiment of the present invention, the first rib assembly 20 further includes a limiting mechanism 224, and a limiting mechanism 224 is disposed between each two adjacent step ribs 221, and the limiting mechanism 224 is used for limiting a distance that the two adjacent step ribs 221 move relative to each other. Thus, the purpose of adjusting the relative position of the two adjacent step flanges 221 in the moving direction thereof can be achieved by replacing the limiting mechanisms 224 with different specifications. It should be noted that the limiting mechanisms 224 of different specifications are the limiting mechanisms 224 that limit the distance that two adjacent step flanges 221 move relative to each other to be different.

In specific embodiments, the prefabricated staircase mold further comprises a first driving assembly 225 mounted on the base 10, the first driving assembly 225 is drivingly connected to one of the step flanges 221 of the step flange group 22 near one end of the second end flange group 32 to drive the step flange 221 to move closer to or away from the side flange 21, and one of the step flanges 221 of the step flange group 22 near one end of the first end flange group 31 is fixedly connected to the first end flange group 31. Because the limiting mechanisms 224 are arranged between every two adjacent step flanges 221, when the first driving assembly 225 drives one step flange 221 of one end, close to the second end flange group 32, of the step flange group 22 to move close to or away from the side flange 21, the remaining step flanges 221 can be driven by the limiting mechanisms 224 to move close to or away from the side flange 21, and mold closing or mold releasing is achieved. Alternatively, the first driving assembly 225 may employ a driving mechanism such as a hydraulic cylinder, which is not limited herein.

It should be noted that, the first driving assembly 225 is used to drive the step flange group 22 to move, so as to realize mold closing and mold releasing, and the heavy step flange group 22 does not need to be hoisted for many times during production, thereby reducing the operation risk of workers during production, reducing the operation time of mold closing and mold releasing of workers, avoiding manual operation of the step flange group 22 during mold closing and mold releasing, and being beneficial to improving the service life of the mold and the production efficiency.

Further, a side of the step rib 221 drivingly connected to the first driving assembly 225 facing away from the side rib 21 is mounted with a pulling member 226. When the first driving assembly 225 is damaged, the pulling member 226 may be connected to an external power source to drive the step rib 221 to move closer to or away from the side rib 21 by the external power source, thereby performing mold clamping or mold releasing of each step rib 221.

Referring to fig. 1 and fig. 6, in the embodiment, the limiting mechanism 224 includes a sliding block 2241, a stopper 2243 and a sliding rail 2242. The sliding block 2241 is fixedly connected to one of the two adjacent step flanges 221. The stopper 2243 and the slide rail 2242 are fixedly connected to the other one of the two adjacent step flanges 221. The sliding block 2241 is slidably engaged with the sliding rail 2242, so that the relative movement of the two adjacent step flanges 221 is realized by the movement of the sliding block 2241 along the sliding rail 2242. The quantity of dog 2243 is two, and two dogs 2243 are located the both ends of slide rail 2242 respectively for carry out the backstop to the slider 2241 that moves along slide rail 2242, make slider 2241 can only slide between two dogs 2243 along slide rail 2242. In this way, the stopper 2243 at both ends of the slide rail 2242 defines the distance (i.e., the stroke) that the slider 2241 moves along the slide rail 2242. It should be noted that the stop mechanisms 224 with different specifications mean that the distance between the two stoppers 2243 is different, that is, the distance that the sliding block 2241 can move along the sliding rail 2242 is different.

Further, the limiting mechanism 224 further includes a fixing support 2244, the sliding rail 2242 and the stopper 2243 are both fixedly connected to the fixing support 2244, and the fixing support 2244 is detachably and fixedly connected to the corresponding step rib 221. So, with slide rail 2242 and the integrated installation of dog 2243 on fixed bolster 2244, make things convenient for stop gear 224's dismouting to convenient the change. Alternatively, the fixing support 2244 and the stopper 2243 and the fixing support 2244 and the sliding rail 2242 may be fixedly connected by welding, but may also be detachably connected by other methods, such as bolt locking, which is not limited herein.

Referring to fig. 1 to 3, in the embodiment of the present invention, a plurality of parallel guide rails 11 are disposed on a base 10, and the plurality of guide rails 11 correspond to a plurality of step flanges 221 one by one. The supporting rollers 227 are installed at the bottoms of the step flanges 221, and the supporting roller 227 of each step flange 221 is in rolling fit with the corresponding guide rail 11, so that the supporting rollers 227 are used for supporting the step flanges 221, and the step flanges 221 move by the rolling of the supporting rollers 227 along the guide rails 11, so that the step flanges 221 can move more smoothly and flexibly under the driving of the first driving assembly 225.

Further, the bottom of the step rib 221 is further provided with a sliding block (not shown), and the sliding block of each step rib 221 is in sliding fit with the corresponding guide rail 11, so that the sliding block slides along the guide rail 11 to guide the movement of the step rib 221, and the movement of each step rib 221 is more accurate and reliable under the driving of the first driving assembly 225.

In an embodiment of the present invention, the first end rib group 31 includes a first end rib 311, a second end rib 312, and a third end rib 313. The first end rib 311 and the second end rib 312 are oppositely disposed on the base 10, the first end rib 311 is connected to the corresponding end of the side rib 21, and the second end rib 312 is connected to one step rib 221 of the corresponding end of the step rib group 22. The third end rib 313 is disposed between the first end rib 311 and the second end rib 312. In this way, the first end rib 311, the second end rib 312, the third end rib 313 and the bottom die 12 enclose a casting cavity for casting a stair bottom platform of the prefabricated staircase. Specifically, in the embodiment shown in fig. 1, the first end rib 311 is joined to the right end of the side rib 21, and the second end rib 312 is joined to one of the step ribs 221 at the right end of the group of step ribs 22.

For convenience of description, the step rib 221 of the step rib group 22 that is spliced with the second end rib 312 is named a fixed step rib. In particular, in the embodiment, the fixed step rib is detachably and fixedly connected with the second end rib 312, and the first molding surface 222 of the fixed step rib is flush with the surface of the second end rib 312 facing the first end rib 311.

Because the fixed step flange is detachably and fixedly connected with the second end flange 312, when the step flange assembly 22 is assembled, the fixed step flange and the second end flange 312 are locked and fixed, so that the fixed step flange is limited by the limiting mechanism 224 to be adjacent to the step flange 221, the step flange 221 is limited by the limiting mechanism 224 to be adjacent to the other step flange 221, and so on, finally, the position of each step flange 221 is limited, and thus a pouring cavity a capable of forming a prefabricated staircase with a certain step height size is formed in a surrounding manner. When the prefabricated staircase that has other step height dimensions is produced to needs, only need change the stop gear 224 of corresponding specification can, easy operation need not the die sinking again, has reduced manufacturing cost.

Specifically, in the embodiment, the first end rib group 31 further includes a first boss rib 314, and the first boss rib 314 is detachably connected to the first end rib 311, the second end rib 312, the third end rib 313 and the top of the fixed step rib to enclose a casting cavity for casting the first boss on the bottom landing of the staircase. Alternatively, the first boss rib 314 may be locked and fixed to the first end rib 311, the second end rib 312, the third end rib 313, and the fixing step rib, respectively, using bolts.

It should be noted that, the first boss rib 314 is detachably and fixedly connected with the second end rib 312 and the fixed step rib, respectively, so that the fixed step rib and the second end rib 312 are detachably and fixedly connected.

In specific embodiments, the first end rib group 31 further includes a second driving assembly 315, where the second driving assembly 315 is installed on the base 10 and is in driving connection with the third end rib 313 to drive the third end rib 313 to move along the extending direction of the first end rib 311 and the second end rib 312, so as to realize mold clamping and mold releasing of the third end rib 313. Furthermore, the production of different sized bottom end platforms may be accommodated by moving the third end flange 313 and/or replacing a different sized third end flange 313. Alternatively, the second driving assembly 315 may employ a driving mechanism such as a hydraulic cylinder, which is not limited herein.

In the embodiment, the base 10 is provided with a first guide rail, the first guide rail is located between the first end rib 311 and the second end rib 312, and the third end rib 313 is slidably disposed on the first guide rail and is in driving connection with the second driving assembly 315. In this way, the movement of the third end rib 313 is guided by the first guide rail.

In the embodiment of the present invention, the second end rib group 32 includes a fourth end rib 321, a fifth end rib 322 and a sixth end rib 323. The fourth end rib 321 and the fifth end rib 322 are oppositely arranged on the base 10, the fourth end rib 321 is spliced with the corresponding end of the side rib 21, and the fifth end rib 322 is spliced with one step rib 221 of the corresponding end of the step rib group 22. In this way, the fourth end rib 321, the fifth end rib 322, and the sixth end rib 323 enclose with the bottom mold 12 to form a casting cavity for casting a stair top platform of the prefabricated staircase. Specifically, in the embodiment shown in fig. 1, the fourth end rib 321 is connected to the left end of the side rib 21, and the fifth end rib 322 is connected to one step rib 221 at the left end of the step rib group 22.

In an embodiment, the second end rib group 32 further includes a third driving assembly 325, and the third driving assembly 325 is mounted on the base 10 and is in driving connection with the sixth end rib 323 to drive the sixth end rib 323 to move along the extending direction of the fourth end rib 321 and the fifth end rib 322, so as to realize mold closing and mold releasing of the sixth end rib 323. Furthermore, different sized stair top platforms may be accommodated for production by moving the sixth end rib 323 and/or replacing a different sized sixth end rib 323. Alternatively, the third driving assembly 325 may employ a driving mechanism such as a hydraulic cylinder, which is not limited herein.

In specific embodiments, the second end rib group 32 further includes a second boss rib 324, and the second boss rib 324 is detachably connected to the tops of the fourth end rib 321, the fifth end rib 322, and the sixth end rib 323 to enclose a casting cavity for casting the second boss on the stair top platform. Alternatively, the second boss rib 324 may be fastened to the fourth end rib 321, the fifth end rib 322, and the sixth end rib 323 by bolts.

In the embodiment, the base 10 is provided with a second guiding rail, the second guiding rail is located between the fourth end rib 321 and the fifth end rib 322, and the sixth end rib 323 is slidably disposed on the second guiding rail and is in driving connection with the third driving assembly 325. In this way, the movement of the sixth end rib 323 is guided by the second guide rail.

Based on the prefabricated staircase mold, referring to fig. 7, the invention also provides a production method for producing the prefabricated staircase by adopting the prefabricated staircase mold, which comprises the following steps:

s10, the bottom mold 12, the side flanges 21, the first end flange group 31, the second end flange group 32, and the step flanges 221 of the step flange group 22 are mounted on the base 10.

And S20, adjusting the relative position of each two adjacent step flanges 221 according to the step height size of the prefabricated staircase to be produced and assembling and connecting the step flanges with each other.

Specifically, the corresponding limiting mechanism 224 is selected according to the step height dimension of the prefabricated staircase to be produced, and the limiting mechanism 224 is assembled between every two adjacent step flanges 221.

S30, the step flanges 221 of the step flange group 22 are controlled to move toward the side flanges 21, so that the side flanges 21, the first end flange group 31, the second end flange group 32, and the step flange group 22 surround the bottom mold 12 to form a casting cavity a.

S40, arranging a steel bar frame and an embedded part in the pouring cavity a, and pouring concrete into the pouring cavity a;

and S50, demolding after the concrete material is cured to form the prefabricated staircase.

Specifically, in the embodiment, the step S30 specifically includes the following steps:

driving one step rib 221 of one end of the step rib group 22 close to the second end rib group 32 to move close to the near side rib 21 by using the first driving assembly 225, so as to drive each step rib 221 to move close to the near side rib 21, so that each step rib 221 moves in place, and performing limiting by using the limiting mechanism 224;

driving the third end rib 313 to move towards the casting cavity a along the extending direction of the first end rib 311 and the second end rib 312 by using the second driving assembly 315, and driving the sixth end rib 323 to move towards the casting cavity a along the extending direction of the fourth end rib 321 and the fifth end rib 322 by using the third driving assembly 325;

a first boss rib 314 is fitted on top of the first end rib 311, the second end rib 312, the third end rib 313 and the fixed step rib. Second boss ribs 324 are fitted on top of the fourth end rib 321, the fifth end rib 322, and the sixth end rib 323.

Specifically, in the embodiment, the step S50 specifically includes the following steps:

after the concrete is cured, removing the first boss flange 314 and the second boss flange 324;

a first driving component 225 is used for driving one step flange 221 at one end, close to the second end flange group 32, of the step flange group 22 to move towards the direction far away from the side flange 21, and driving each step flange 221 to move towards the direction far away from the side flange 21, so that the demolding of the step flanges 221 is realized;

driving the third end rib 313 to demold by using the second driving assembly 315; sixth end stop 323 is actuated for demolding by third drive assembly 325.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A prefabricated staircase mold, comprising:

a base (10);

the bottom die (12) is fixedly connected to the base (10);

the first flange assembly (20) comprises side flanges (21) and a step flange group (22), the side flanges (21) are fixedly connected to the base (10) and located on one side of the bottom die (12) in a first direction (A), the step flange group (22) is located on the other side of the bottom die (12) in the first direction (A) and comprises a plurality of step flanges (221) which are sequentially arranged in a second direction (B) intersecting with the first direction (A), and each step flange (221) is arranged on the base (10) and can be controlled to move close to or far away from the side flanges (21) in the same direction; every two adjacent step flanges (221) are mutually matched and connected, and the relative position of the step flanges (221) in the moving direction can be adjusted;

second flange subassembly, including install in first end flange group (31) and second end flange group (32) on base (10), first end flange group (31) with second end flange group (32) are located respectively die block (12) are in both ends on second direction (B), and, first end flange group (31) second end flange group (32) side flange (21) step flange group (22) with die block (12) enclose to close and form and pour chamber (a).

2. Prefabricated staircase mould according to claim 1, characterised in that the side of the step rib (221) facing the side rib (21) has a first moulding surface (222) for moulding the tread of a staircase step and a second moulding surface (223) for moulding the riser of a staircase step, the first moulding surface (222) of one of each two adjacent step ribs (221) vertically interfacing with the second moulding surface (223) of the other one;

the moving direction of the step rib (221) is parallel to the second molding surface (223).

3. The prefabricated staircase mold of claim 1, wherein the first rib assembly (20) further comprises a limiting mechanism (224), the limiting mechanism (224) being disposed between each adjacent two of the step ribs (221), the limiting mechanism (224) being configured to limit a distance that the adjacent two of the step ribs (221) move relative to each other.

4. Prefabricated staircase mould as in claim 3, characterized in that said stop means (224) comprise a sliding block (2241), a stop (2243) and a sliding rail (2242), said sliding block (2241) being fixedly connected to two adjacent ones of said step flanges (221), said stop (2243) and said sliding rail (2242) being fixedly connected to two adjacent ones of said step flanges (221), and said sliding block (2241) being in sliding engagement with said sliding rail (2242), the number of said stops (2243) being two, two said stops (2243) being located respectively at both ends of said sliding rail (2242), for stopping said sliding block (2241) sliding along said sliding rail (2242).

5. The prefabricated staircase die of claim 4, wherein said stop mechanism (224) further comprises a fixed bracket (2244), said slide rail (2242) and said stopper (2243) are both fixedly connected to said fixed bracket (2244), and said fixed bracket (2244) is detachably and fixedly connected to said corresponding step rib (221).

6. The prefabricated staircase mold of claim 3, further comprising a first drive assembly (225) mounted on the base (10), the first drive assembly (225) being in driving connection with one of the step flanges (221) of the step flange set (22) at an end thereof adjacent to the second end flange set (32);

one step flange (221) of one end of the step flange group (22) close to the first end flange group (31) is fixedly connected to the first end flange group (31).

7. The prefabricated staircase mold of claim 1, wherein the first end rib group (31) comprises a first end rib (311) and a second end rib (312) oppositely arranged on the base (10), and a third end rib (313) arranged between the first end rib (311) and the second end rib (312), the first end rib (311) being joined to a corresponding end of the side rib (21), the second end rib (312) being joined to one of the step ribs (221) of a corresponding end of the step rib group (22);

second end flange group (32) including set up relatively in fourth end flange (321) and fifth end flange (322) on base (10), and set up in fourth end flange (321) with sixth end flange (323) between fifth end flange (322), fourth end flange (321) with the corresponding end of side flange (21) is spliced mutually, fifth end flange (322) with one of the corresponding end of step flange group (22) step flange (221) is spliced mutually.

8. The prefabricated staircase mould of claim 7, wherein said first end set of rims (31) further comprises a second driving member (315), said second driving member (315) being mounted on said base (10) and being drivingly connected to said third end rim (313) for driving said third end rim (313) in a movement along the extension of said first end rim (311) and said second end rim (312);

the second end portion flange group (32) further comprises a third driving assembly (325), the third driving assembly (325) is installed on the base (10) and is in driving connection with the sixth end portion flange (323) to drive the sixth end portion flange (323) to move along the extending direction of the fourth end portion flange (321) and the fifth end portion flange (322).

9. The prefabricated staircase die of claim 1, wherein the base (10) is provided with a plurality of guide rails (11) parallel to each other, the plurality of guide rails (11) are in one-to-one correspondence with the plurality of step flanges (221), the bottom of the step flanges (221) is provided with a support roller (227) and a sliding block, the support roller (227) is in rolling fit with the corresponding guide rail (11), and the sliding block is in sliding fit with the corresponding guide rail (11).

10. A method for producing a prefabricated staircase by using the prefabricated staircase mold according to any one of the claims 1 to 9, which is characterized by comprising the following steps:

assembling the bottom die (12), the side flanges (21), the first end flange group (31), the second end flange group (32) and each step flange (221) of the step flange group (22) on the base (10);

adjusting the relative position of each two adjacent step flanges (221) according to the step height size of the prefabricated staircase to be produced and assembling and connecting the step flanges with each other;

controlling each step rib (221) of the step rib group (22) to move towards the side rib (21) so that the side rib (21), the first end rib group (31), the second end rib group (32), the step rib group (22) and the bottom die (12) enclose the pouring cavity (a);

arranging a steel bar frame and an embedded part in the pouring cavity (a), and pouring concrete into the pouring cavity (a);

and demolding after the concrete material is cured to form the prefabricated staircase.

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