CN111844389A

CN111844389A - Prefabricated staircase mould and stair

Info

Publication number: CN111844389A
Application number: CN202010652762.5A
Authority: CN
Inventors: 徐洪玲
Original assignee: Shanghai Futielong Residential Industrial Development Co ltd
Current assignee: Shanghai Futielong Residential Industrial Development Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-10-30

Abstract

The invention relates to a prefabricated staircase mold and a staircase, which comprise a bottom mold, a plane side mold and a convex side mold which are arranged on the bottom mold, and end molds which are detachably connected with two ends of the plane side mold and the convex side mold; a bedplate is arranged on the bottom die, and a die cavity is enclosed by plate bodies of the planar side die, the convex side die and the end die and the bedplate; the plane side mold is formed by sequentially connecting at least three plane single molds, and the adjacent plane single molds are detachably connected; the convex side die is formed by sequentially connecting at least three convex single dies, and is adjacent to the convex single dies, and the convex single dies are detachably connected. According to the invention, the length of the mold is automatically assembled according to the requirement without replacing the mold, so that the processing requirements of stairs with different lengths are met, and the production cost is greatly reduced.

Description

Prefabricated staircase mould and stair

Technical Field

The invention relates to the technical field of building prefabricated part processing, in particular to a prefabricated stair mold and a stair.

Background

The stairs are members for vertical traffic between floors in a building and are used for traffic connection between floors and when the height difference is large. At present, the reinforced concrete stairs are most commonly applied, the construction method of the reinforced concrete stairs comprises a field pouring method and a prefabricating and assembling method, the field pouring stair has better rigidity, but the template has high consumption and longer construction period, grooves are manually cut on the surface of the stairs to be roughened, the labor and the effort are wasted, and the phenomena of sewage, dust and noise are serious. The prefabricated staircase is prefabricated and formed in advance in a factory, is directly installed after arriving at a construction site, does not need to support a template and water for maintenance, saves water resources and maintenance time, and is beneficial to shortening the construction period.

Chinese patent with publication number CN208084637U discloses a prefabricated staircase mold, which comprises a mold table and a side mold detachably and fixedly connected with the mold table, wherein the mold table comprises a bottom mold, an inner mold arranged on the bottom mold, and end molds detachably and fixedly connected with the left and right ends of the inner mold respectively; die block, centre form, end mould and side form the die cavity, and end mould and centre form, end mould and die block are split type structure, when the tip structure of the stair of prefabricated production or tip size change, need not change whole mould platform, only need change the end mould can.

The technical scheme has the following technical defects: every mould corresponds one set of size (including step height, step width, step progression etc.), above-mentioned technical scheme has only solved the problem that stair tip structure changes, but when the length and size of prefabricated stair changes, then need reprocess the mould, and on the one hand, the price of mould platform is higher, has caused the cost increase of prefabricated production stair, and another is convenient, changes whole mould platform and wastes time and energy, consequently, low in mould utilization ratio, the commonality is poor, the manufacturing cost height of step, the cycle length of processing.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a prefabricated staircase mold and a staircase, which do not need to be replaced, automatically assemble the length of the mold according to the requirement so as to meet the processing requirements of the staircases with different lengths and greatly reduce the production cost.

The above object of the present invention is achieved by the following technical solutions:

a prefabricated stair mold comprises a bottom mold, a plane side mold and a convex side mold which are arranged on the bottom mold, and end molds which are detachably connected to two ends of the plane side mold and the convex side mold;

a bedplate is arranged on the bottom die, and a die cavity is enclosed by plate bodies of the planar side die, the convex side die and the end die and the bedplate;

the plane side mold is formed by sequentially connecting at least three plane single molds, and the adjacent plane single molds are detachably connected;

the convex side die is formed by sequentially connecting at least three convex single dies, and is adjacent to the convex single dies, and the convex single dies are detachably connected.

By adopting the technical scheme, the planar side die is divided into a plurality of planar single dies, the convex side die is also divided into a plurality of convex single dies, a die cavity for pouring the prefabricated staircase is formed among the plurality of planar single dies, the plurality of convex single dies, the end die and the bedplate, and different numbers of planar single dies and convex single dies are selectively installed to be respectively assembled according to design requirements before the prefabricated staircase is poured, so that die cavities with different lengths and step numbers are formed; when producing the prefabricated staircase of different ladder numbers, only need increase and decrease the plane single mode from the one end of plane side form, increase and decrease the convex surface single mode from the one end of convex surface side form, need not dismantle and reassemble whole mould, greatly reduced manufacturing cost and production degree of difficulty.

The present invention in a preferred example may be further configured to: the bedplate is provided with two parallel sliding grooves, the lower side surfaces of the plane single mode and the convex single mode are provided with sliding parts, and the sliding parts are connected in the sliding grooves in a sliding mode.

By adopting the technical scheme, the plane single mode and the convex single mode are arranged in the sliding groove in a sliding manner through the sliding piece, so that the moving directions and the arrangement directions of all the plane single modes and the convex single modes are consistent, the formed mold cavity is more regular in shape, and the quality of the produced prefabricated staircase is guaranteed; meanwhile, the plane single mode and the convex single mode are disassembled and assembled in a translation mode, so that the disassembling difficulty of the plane single mode and the convex single mode and the labor intensity of workers are reduced.

The present invention in a preferred example may be further configured to: the slider sets up to the gyro wheel, every the downside of plane single mode and convex surface single mode is provided with two at least gyro wheels, connecting wire between the gyro wheel is parallel with the direction of arranging of plane side form and convex surface side form.

Through adopting above-mentioned technical scheme, the slider adopts the gyro wheel, has reduced the frictional resistance in the spout, makes the removal of plane single mode and convex surface single mode more laborsaving and smooth and easy, sets up two at least gyro wheels, also can guarantee the steady of plane single mode and convex surface single mode at the removal in-process.

The present invention in a preferred example may be further configured to: the sliding grooves penetrate through two ends of the bottom die.

By adopting the technical scheme, the sliding groove penetrates through the two ends of the bottom die, so that the planar side die, the convex side die and the end die can be conveniently moved in and out from the two ends of the sliding groove.

The present invention in a preferred example may be further configured to: the two sides of the bottom die are provided with baffles, and the bottom plates of the planar single die and the convex single die slide in parallel to the baffles.

Through adopting above-mentioned technical scheme, the baffle can play the effect of direction to the removal of plane single mode and convex surface single mode, also can block the precast stair simultaneously and pour unrestrained concrete residue of in-process, will fall the concrete on the die block and retrieve and recycle, reduces the waste of concrete.

The present invention in a preferred example may be further configured to: connecting lug plates are arranged on the outer sides of the connecting surfaces of the planar single molds, and the connecting lug plates on the adjacent planar single molds are connected through connecting bolts; the convex surface single mode connect the face outside and be provided with the connection otic placode, adjacent connect through connecting bolt between the connection otic placode on the convex surface single mode.

Through adopting above-mentioned technical scheme, link into a whole with a plurality of plane single moulds and convex surface single mould through connecting otic placode and connecting bolt, make the structure of whole mould more firm stable, at the in-process of concreting, can not expand because of the connection of plane side form and convex surface side form is not firm.

The present invention in a preferred example may be further configured to: the lower end of the end die is provided with a stabilizing plate, the stabilizing plate is attached to the bedplate, the lower surface of the stabilizing plate is also provided with a sliding part, the sliding part is also provided with a roller, and the roller is connected in the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, the setting of end mould lower extreme steadying plate has guaranteed that the end mould can paste platen surface and remove, conveniently is connected end mould and plane side form and convex surface side form location, and translation through steadying plate on the platen simultaneously can clean the concrete that spills on the platen, prevents that the concrete from solidifying and influencing the reuse of mould on the die block.

The present invention in a preferred example may be further configured to: the lower surface of stabilizer plate is provided with the push pedal, the push pedal slides and sets up in the spout.

Through adopting above-mentioned technical scheme, the push pedal setting can clear away the concrete that falls into in the spout, avoids the concrete to solidify in the spout, has guaranteed that the removal of plane side form and convex side form in the spout is smooth and easy.

The present invention in a preferred example may be further configured to: be provided with the cramp between plane single mode and the convex surface single mode, the cramp is including setting up two spliced poles and the connection screw rod of connecting between two spliced poles at plane single mode and convex surface single mode top surface relatively.

Through adopting above-mentioned technical scheme, be provided with fastener between plane single mode and the convex surface single mode, guaranteed firm in connection and the position stability between plane single mode and the convex surface single mode.

A prefabricated staircase is manufactured by processing the prefabricated staircase mould.

In summary, the invention includes at least one of the following beneficial technical effects:

1. according to the invention, the plane side die and the convex side die are arranged into a multi-section connection structure, and when the prefabricated staircase is processed, the plane side die and the convex side die with different lengths can be selectively spliced according to design requirements, so that the prefabricated staircase with different lengths can be produced.

2. According to the invention, prefabricated stairs with different lengths can be produced only by manufacturing a set of moulds and directly increasing or decreasing the plane single mould and the convex single mould, so that the manufacturing cost of the moulds is saved, and the processing cost of the prefabricated stairs is reduced; the mold has high utilization rate, strong universality and short stair processing period.

3. The plane single mode, the convex single mode and the end die are arranged on the bottom die in a sliding connection mode, the state is stable in the moving process, the overturning is not easy to happen, and the impact damage to the bedplate can not be caused, so that the processing quality of the prefabricated staircase is ensured.

4. The setting of die block overhead gage and the setting of steadying plate and push pedal on the end mould can reduce the concrete that falls the die block outside for the concrete that falls on the die block can be cleaned, retrieved, recycled, has both guaranteed the cleanness on the die block, has reduced the waste of material again, the cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the mold of the present invention.

FIG. 2 is a schematic view of the connection of a flat single mold to a bottom mold according to the present invention.

FIG. 3 is a schematic view of the convex single mold and bottom mold of the present invention.

FIG. 4 is a schematic view of the connection of the end mold to the bottom mold in the present invention.

In the figure, the die comprises a bottom die 1, a bottom die 11, a bedplate 12, a sliding chute 13, a baffle 2, a plane side die 21, a plane single die 3, a convex side die 31, a convex single die 4, an end die 41, a stabilizing plate 42, a push plate 5, a roller 6, a connecting lug plate 71, a connecting column 72 and a connecting screw rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the prefabricated staircase mold disclosed by the invention comprises a bottom mold 1, a plane side mold 2, a convex side mold 3 and an end mold 4. Wherein, die block 1 is kept flat on the work ground, and plane side form 2 and convex side form 3 are put immediately on die block 1 to can dismantle with die block 1 and be connected, end mould 4 sets up to two, can dismantle the both ends of connecting at plane side form 2 and convex side form 3 respectively, connect the both ends of plane side form 2 and convex side form 3, make die block 1, plane side form 2, convex side form 3 and two end moulds 4 constitute upside open-ended die cavity, then be used for pouring prefabricated stair in the die cavity.

The bottom die 1 is provided with a bedplate 11 with a plane surface, the bedplate 11 is used as the bottom surface of the die cavity, and the plane side die 2, the convex side die 3 and the two end dies 4 are all connected on the bedplate 11.

The planar side die 2 is formed by sequentially connecting at least three planar single dies 21, the adjacent planar single dies 21 are detachably connected, four planar single dies 21 are arranged in the embodiment, the shapes of the planar single dies 21 at two ends are fixed and unchanged, the shapes of the planar single dies 21 in the middle are the same, and the planar single dies can be increased or decreased according to the length design requirement of the staircase so as to meet the production requirement; the cross section of the planar single mold 21 is U-shaped, the opening of the planar single mold faces the outer side of the mold cavity, and the upper side and the lower side of the planar single mold are provided with side plates, wherein the side plates on the lower side are used as bottom plates to be attached to the bedplate 11, so that the purpose of stabilizing the planar single mold 21 is achieved; the middle part of the outer side of the connecting surface of the adjacent plane single modes 21 is provided with a connecting lug plate 6, when the connecting surfaces of the two plane single modes 21 are connected, the connecting lug plates 6 on the two plane single modes 21 are abutted together and are connected and fixed through a connecting bolt.

The convex side die 3 is formed by sequentially connecting at least three convex single dies 31, the adjacent convex single dies 31 are detachably connected, four convex single dies 31 are arranged in the embodiment, the shapes of the convex single dies 31 at two ends are fixed, the shapes of the convex single dies 31 in the middle are the same, and the convex single dies can be increased or decreased according to the length design requirement of the stair to meet the production requirement; the cross section of the convex single mold 31 is U-shaped, the opening of the U-shaped convex single mold faces the outer side of the mold cavity, and the upper side and the lower side of the U-shaped convex single mold are both provided with side plates, wherein the side plates on the lower side are used as bottom plates to be attached to the bedplate 11, so that the purpose of stabilizing the convex single mold 31 is achieved; one side of the convex single mold 31 facing the mold cavity is provided with a right-angle convex surface, a step can be correspondingly formed on a stair, when the length of the convex single mold 31 is set, two convex single molds 31 with standard length are arranged, one is provided with two right-angle convex surfaces, the other is provided with three right-angle convex surfaces, and the two are combined, so that the workload of mold assembly can not be increased due to too short convex single molds 31, and the assembly limitation can not be caused due to too long convex single molds 31; the right-angle convex surface is provided with a convex edge extending to two ends, an anti-slip groove can be formed on the surface of the prefabricated stair step, one end of the right-angle convex surface is provided with a square bulge (not shown in the figure), and a guardrail mounting seat can be formed at one end of the prefabricated stair step; the middle part of the outer side of the connecting surface of the adjacent convex single dies 31 is provided with a connecting lug plate 6, when the connecting surfaces of the two convex single dies 31 are connected, the connecting lug plates 6 on the two convex single dies 31 are abutted together and are connected and fixed through a connecting bolt.

Referring to fig. 1, the end mold 4 is respectively connected with the two end faces of the plane side mold 2 and the convex side mold 3, a row of connecting holes arranged up and down are arranged on the end mold 4, the two ends of the plane side mold 2 and the convex side mold 3 are connected through bolts penetrating through the connecting holes by the end mold, and therefore the shape stability of the mold cavity is guaranteed.

When carrying out the mould equipment, the relative plane single mode 21 that sets up and the length of convex surface single mode 31 will correspond, be provided with the cramp between the relative plane single mode 21 that sets up and the convex surface single mode 31, the cramp is including setting up two spliced poles 71 and the connecting screw 72 of connection between two spliced poles 71 at relative plane single mode 21 and convex surface single mode 31 top surface, two spliced poles 71 are passed respectively at connecting screw 72 both ends, and fix with the nut, connect into an organic whole with plane single mode 21 and convex surface single mode 31's upper end.

The bedplate 11 is provided with two parallel sliding grooves 12, the sliding grooves 12 extend along the axial direction of the bottom die 1 and penetrate through the two ends of the bottom die 1, and sliding parts are arranged on the lower side surfaces of the plane single die 21, the convex single die 31 and the end die 4, so that the plane single die 21, the convex single die 31 and the end die 4 are connected in the sliding grooves 12 in a sliding mode through the sliding parts. The both sides of die block 1 are provided with baffle 13, baffle 13 top height is higher than the surface height of platen 11, it is parallel with spout 12 to set up the direction, plane single mode 21 and convex surface single mode 31's bottom plate slides in parallel with baffle 13, baffle 13 can play the effect of direction to plane single mode 21 and convex surface single mode 31's removal, it falls die block 1 outside also to block prefabricated staircase pouring in-process unrestrained concrete residue simultaneously, the concrete that will fall on die block 1 is retrieved and is recycled, reduce the waste of concrete.

Referring to fig. 2, the planar single molds 21 are sequentially connected to the bottom mold 1 in a sliding connection manner, specifically, the sliding member is provided as a roller 5, two rollers 5 are provided on the lower side surface of each planar single mold 21, and the connecting line between the two rollers 5 is parallel to the arrangement direction of the planar side molds 21, so that the planar side molds 21 slide in the sliding groove 12, and the front and rear planar side molds 21 are in the same direction and are connected into a whole. When the flat side mold 21 is assembled, the two rollers 5 roll on the bottom of the chute 12, the bottom plate of the flat side mold 21 moves against the surface of the bedplate 11 until abutting against the front flat side mold 21, and the connecting lug plate 6 is fixed by the connecting bolt.

Referring to fig. 3, the convex single molds 31 are sequentially connected to the bottom mold 1 in a sliding connection manner, specifically, the sliding member is provided as a roller 5, two rollers 5 are provided on the lower side surface of each convex single mold 31, and the connecting line between the two rollers 5 is parallel to the arrangement direction of the convex single molds 31, so that the convex single molds 31 slide in the sliding groove 12, and the front and rear convex single molds 31 are identical in direction and are connected into a whole.

Referring to fig. 4, the end mold 4 is connected to the bottom mold 1 in a sliding connection manner, specifically, the lower surface of the end mold 4 is also provided with two rollers 5, the two rollers 5 are respectively slidably disposed in the two sliding grooves 12, and the distance between the two rollers 5 satisfies that the inclination angle of the end mold 4 is the same as the inclination angle of the end surface of the convex single mold 31, so that the end mold 4 can be attached to the end surface of the convex single mold 31. The lower end of the end mold 4 is provided with a stabilizing plate 41, the stabilizing plate 41 moves in contact with the bedplate 11, and the stabilizing plate 41 moves in translation on the bedplate 11, so that concrete scattered on the bedplate 11 can be cleaned, and the influence of the solidification of the concrete on the bottom mold on the reuse of the mold can be prevented. The lower surface of stabilizer plate 41 is provided with two push pedal 42, and the position that sets up of push pedal 42 is corresponding with the position of two gyro wheels 5 to be located same one side of two gyro wheels 5 respectively, make two push pedal 42 can slide and set up in two spout 12, can clear away the concrete that falls into in spout 12, avoid the concrete to solidify in spout 12, guaranteed that the removal of plane side form 2 and convex side form 3 in spout 12 is smooth and easy.

The invention also discloses a prefabricated staircase which is processed and manufactured by the prefabricated staircase die, and the length of the prefabricated staircase is determined according to the length of the die.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a prefabricated staircase mould which characterized in that: comprises a bottom die (1), a plane side die (2) and a convex side die (3) which are arranged on the bottom die (1), and end dies (4) which are detachably connected with two ends of the plane side die (2) and the convex side die (3);

a bedplate (11) is arranged on the bottom die (1), and plate bodies of the plane side die (2), the convex side die (3) and the end die (4) and the bedplate (11) enclose a die cavity;

the plane side die (2) is formed by sequentially connecting at least three plane single dies (21), and the adjacent plane single dies (21) are detachably connected;

the convex side die (3) is formed by sequentially connecting at least three convex single dies (31), and is adjacent to the convex single dies (31) which are detachably connected.

2. The prefabricated staircase mold of claim 1, wherein: the bedplate (11) is provided with two parallel sliding grooves (12), the lower side surfaces of the plane single mold (21) and the convex single mold (31) are provided with sliding parts, and the sliding parts are connected in the sliding grooves (12) in a sliding mode.

3. The prefabricated staircase mold of claim 2, wherein: the slider sets up to gyro wheel (5), every the downside of plane single mode (21) and convex surface single mode (31) is provided with two at least gyro wheels (5), connecting wire between gyro wheel (5) is parallel with the direction of arranging of plane side form (2) and convex surface side form (3).

4. The prefabricated staircase mold of claim 2, wherein: the sliding grooves (12) penetrate through two ends of the bottom die (1).

5. The prefabricated staircase mold of claim 2, wherein: the two sides of the bottom die (1) are provided with baffle plates (13), and the bottom plates of the plane single die (21) and the convex single die (31) slide in parallel to the baffle plates (13).

6. The prefabricated staircase mold of claim 1, wherein: connecting lug plates (6) are arranged on the outer sides of the connecting surfaces of the plane single molds (21), and the connecting lug plates (6) on the adjacent plane single molds (21) are connected through connecting bolts; the connection face outside of convex surface single mode (31) is provided with connects otic placode (6), and is adjacent connect through connecting bolt between the connection otic placode (6) on the convex surface single mode (31).

7. The prefabricated staircase mold of claim 2, wherein: the lower end of the end die (4) is provided with a stabilizing plate (41), the stabilizing plate (41) is attached to the bedplate (11), the lower surface of the stabilizing plate (41) is also provided with a sliding part, the sliding part is also provided with a roller (5), and the roller (5) is connected in the sliding groove (12) in a sliding mode.

8. The prefabricated staircase mold of claim 7, wherein: the lower surface of the stabilizing plate (41) is provided with a push plate (42), and the push plate (42) is arranged in the sliding groove (12) in a sliding mode.

9. The prefabricated staircase mold of claim 1, wherein: be provided with the cramp between plane single mode (21) and convex surface single mode (31), the cramp is including setting up two spliced poles (71) and the connecting screw (72) of connecting between two spliced poles (71) at plane single mode (21) and convex surface single mode (31) top surface relatively.

10. A prefabricated staircase, its characterized in that: is processed and manufactured by the prefabricated staircase mould according to any one of the claims 1 to 9.