CN215749840U

CN215749840U - Prefabricated staircase mould

Info

Publication number: CN215749840U
Application number: CN202122113559.3U
Authority: CN
Inventors: 王余伟; 孟乐; 王世伟; 申超; 涂成龙
Original assignee: Chongqing Hengsheng Daye Construction Technology Group Co ltd
Current assignee: Chongqing Hengsheng Daye Construction Technology Group Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-08
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a prefabricated staircase mold, which comprises a bottom mold, two side molds and two end molds, wherein n steps are arranged along the length direction of the bottom mold, m first step clamping grooves are formed in the lower ends of the side molds, the side molds are clamped on 1-m steps of the bottom mold through the m first step clamping grooves in a use state, the end molds are respectively clamped at the front end and the rear end of the side molds, and thus a molding mold cavity of a prefabricated staircase is formed according to a preset width, wherein: n is more than or equal to m is more than or equal to 1, and n and m are positive integers. The effect is as follows: according to the utility model, the bottom die and the end die are universal dies, and the stair combination with different steps, different stair widths, different upper platforms and different lower platforms can be realized only by selecting different side dies, so that the production requirements of various prefabricated stairs are met, the universality is better, the utilization rate of the die is improved, and the production cost is reduced.

Description

Prefabricated staircase mould

Technical Field

The utility model relates to the technical field of prefabricated building component processing, in particular to a prefabricated staircase mold.

Background

In recent years, with the development of the building industry, more and more people select a PC (precast concrete-precast concrete) member when building a house, and compared with the traditional cast-in-place concrete, the construction environment of the PC member is in a PC factory, and is safer compared with field construction; the installation speed and the construction progress can be obviously improved through the prefabricated size; meanwhile, the field operation amount of the construction site adopting the PC component is obviously reduced, and the dust pollution and the noise pollution can be effectively reduced. Among them, the prefabricated staircase is a common PC member. In order to strengthen the standardization and batch production of the prefabricated staircase, the prefabricated staircase is generally produced by adopting a prefabricated staircase mold.

Current prefabricated stair mould mainly includes: the prefabricated staircase comprises a bottom die, side dies and end dies, wherein the bottom die is arranged in a ladder shape, the side dies are arranged on two sides of the bottom die along the length direction, the end dies are arranged at two ends of the bottom die, after on-site investigation, the size of the die is determined, pouring is carried out, and after concrete is formed, the prefabricated staircase is hoisted to a construction site for installation.

However, in the process of manufacturing prefabricated staircases, the types of stair molds are many due to the size factors of the steps, the width of the staircases, the upper platforms, the lower platforms and the like of the staircases. In the past, some prefabricated staircases with small volume are produced by adopting a special mold. However, the above production method has at least two problems: 1. the template consumption is large, and the cost is high; 2. short service life and low repeated utilization rate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined prefabricated staircase mould capable of producing different steps, different staircase widths, different upper platforms and different lower platforms, and aims to solve the technical problems explained in the background art.

In order to achieve the purpose, the utility model adopts the following specific technical scheme:

the utility model provides a prefabricated staircase mould, includes die block, two side forms and two end moulds, its key lies in, follows the length direction of die block is provided with a n step a m first step draw-in groove has been seted up to the lower extreme of side form, under the user state, the side form is in through a m first step draw-in groove joint on 1-m step of die block, the end mould joint respectively is in both ends around the side form to according to the shaping die cavity of predetermined width formation prefabricated staircase, wherein: n is more than or equal to m is more than or equal to 1, and n and m are positive integers.

Furthermore, the bottom die, the side die and the end die are all steel dies.

Furthermore, the groove wall of the first step clamping groove protrudes outwards to form a skirt edge.

Furthermore, a magnetic suction fixing mechanism is arranged between the side die and the end die.

Furthermore, the magnetic suction fixing mechanism comprises an L-shaped connecting plate, a vertical plate of the L-shaped connecting plate is fixedly connected with the side die through a screw, and a magnetic box is formed on a transverse plate of the L-shaped connecting plate.

Furthermore, a switch pressure head is arranged on the magnetic box, the switch pressure head extends into the magnetic box, the tail end of the switch pressure head is connected with a magnet, and when the switch pressure head is pressed, the magnet can be adsorbed on the end die.

Furthermore, abutting bolts for abutting against the end dies are respectively screwed on the magnetic boxes on two sides of the magnet.

Further, a magnetic shield plate is provided between the magnet and the abutment bolt.

Furthermore, i partition plates are arranged between the two side molds, the molding mold cavity is partitioned into i +1 concrete pouring cavities through the i partition plates, wherein i is larger than or equal to 1, and i is a positive integer.

Furthermore, the front end and the rear end of the partition panel are respectively provided with an end mold clamping groove matched with the end mold, and the lower end of the partition panel is provided with m second step slots.

The utility model has the following remarkable effects:

1. according to the utility model, the bottom die and the end die are universal dies, and the stair combination with different steps, different stair widths, different upper platforms and different lower platforms can be realized only by selecting different side dies, so that the production requirements of various prefabricated stairs are met, the universality is better, the utilization rate of the die is improved, and the production cost is reduced;

2. the connecting strength between the end die and the side die is reinforced by the magnetic suction fixing mechanism, so that the prefabricated staircase is formed, and can be conveniently and quickly disassembled and assembled by workers;

3. the utility model can quickly partition the forming die cavity of a prefabricated staircase into a plurality of synchronously poured concrete pouring cavities by additionally arranging the partition plates between the side dies, so that the forming die cavity of the prefabricated staircase can produce a plurality of staircases at one time, and the production efficiency of the prefabricated staircase and the utilization rate of dies are improved.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of an overall structure of the embodiment;

FIG. 2 is a schematic view of the overall structure of the second embodiment;

FIG. 3 is an assembly view of the second embodiment;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

the figure is marked with: the mold comprises a bottom mold 1, a side mold 2, an end mold 3, a step 4, a first step clamping groove 5, a molding mold cavity 6, a skirt edge 7, a magnetic attraction fixing mechanism 8, a L-shaped connecting plate 9, a screw 10, a magnetic box 11, a switch pressure head 12, a magnet 13, a butt bolt 14, a magnetic isolation plate 15, a partition plate 16, a concrete pouring cavity 17, an end mold clamping groove 18 and a second step clamping groove 19.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Fig. 1 discloses a first embodiment of the present invention, specifically: the utility model provides a prefabricated stair mould, includes die block 1, two side forms 2 and two end moulds 3, its characterized in that follows the length direction of die block 1 is provided with 10 steps 4 6 first step draw-in grooves 5 have been seted up to the lower extreme of side form 2, under the user state, side form 2 is in through 6 first step draw-in grooves 5 joints 1-6 steps 4 of die block 1 are gone up, end mould 3 difference joint is in both ends around side form 2 to form prefabricated stair's shaping die cavity 6 according to predetermined width.

In order to prolong the service life of the die and improve the forming effect of the prefabricated staircase, the bottom die 1, the side die 2 and the end die 3 are steel dies.

In order to increase the contact area between the side die 2 and the bottom die 1 in a use state and ensure the stable installation of the side die 2, the groove wall of the first step clamping groove 5 protrudes outwards to form a skirt 7. Preferably, a gasket (not shown) is further provided on the lower surface of the side mold 2 in order to improve the mold sealing performance.

As shown in fig. 4, in specific implementation, the magnetic attraction fixing mechanism 8 includes an L-shaped connecting plate 9, a vertical plate of the L-shaped connecting plate 9 is connected and fixed with the side mold 2 through a screw 10, and a magnetic box 11 is formed on a horizontal plate of the L-shaped connecting plate 9. A switch pressure head 12 is arranged on the magnetic box 11, the switch pressure head 12 extends into the magnetic box 11 and is connected with a magnet 13 at the tail end thereof, and when the switch pressure head 12 is pressed, the magnet 13 can be adsorbed on the end die 3. Abutting bolts 14 for abutting against the end mold 3 are screwed to the magnetic cassettes 11 on both sides of the magnet 13. A magnetic shield 15 is further provided between the magnet 13 and the abutment bolt 14. Can make magnet 13 stably adsorb on end mould 3 when push switch pressure head 12 to realize being connected between end mould 3 and the side form 2 and consolidate, when needs demolish end mould 3, rotate 14 butt end moulds 3 of butt bolt and can make magnetism box 11 drop.

Fig. 2 and 3 show a second embodiment of the utility model, which differs from the first embodiment in that a partition 16 is provided between the two side forms 2, and the molding cavity 6 is partitioned into two concrete casting cavities 17 by the partition 16.

In practical use, the front end and the rear end of the partition panel 16 are respectively provided with an end mold clamping groove 18 matched with the end mold 3, and the lower end of the partition panel 16 is provided with 6 second step clamping grooves 19. The mode that utilizes end mould draw-in groove 18 joint end mould 3 can not only form stable support to partition panel 16, can not influence prefabricated staircase shaping in addition.

The principle of the utility model is as follows:

when the stair-making mold is used, the two side molds 2 are clamped on the corresponding steps 4 of the bottom mold 1 through the first step clamping grooves 5, one or two side molds 2 slide along the width direction of the bottom mold 1, the distance between the two side molds 2 is enabled to be consistent with the preset width for stair production, the universal end mold 3 is clamped at the two ends of the side molds 2, the forming mold cavity 6 with the preset width is formed among the bottom mold 1, the side molds 2 and the end molds 3, then the steel bar framework is laid in the forming mold cavity 6, concrete is poured in the forming mold cavity 6 after the steel bar framework is laid, light-collecting operation is carried out after initial setting of the concrete and before final setting, the side molds 2 and the end molds 3 are detached after the final setting of the concrete, and the formed prefabricated stair is taken down.

In conclusion, the bottom die 1 and the end dies 3 are universal dies, and the stair combination with different stepping numbers, different stair widths, different upper platforms and different lower platforms can be realized only by selecting different side dies 2, so that the production requirements of various prefabricated stairs are met, the universality is better, the utilization rate of the dies is improved, and the production cost is reduced; the connecting strength between the end die 3 and the side die 2 is reinforced by the magnetic suction fixing mechanism 8, so that the prefabricated staircase is formed, and can be conveniently and quickly disassembled and assembled by workers, meanwhile, the magnetic suction fixing mechanism 8 is not required to be opened and grooved by holes on the end die 3 or/and the side die 2, and concrete can be prevented from leaking, so that the finished product quality of the prefabricated staircase is ensured; according to the utility model, by additionally arranging the partition plates 16 between the side dies 2, the forming die cavity 6 of the prefabricated staircase can be quickly partitioned into a plurality of synchronously poured concrete pouring cavities 17, so that the forming die cavity 6 of the prefabricated staircase can be used for producing a plurality of staircases at one time, and the production efficiency of the prefabricated staircase and the utilization rate of the die are improved.

It should be noted that the above-mentioned embodiments are only examples of the present invention, and it should be understood that the scope of the present invention is not limited thereto.

Claims

1. The utility model provides a prefabricated staircase mould, includes die block, two side forms and two end moulds, its characterized in that follows the length direction of die block is provided with a n step a m first step draw-in groove has been seted up to the lower extreme of side form, under the user state, the side form is in through a m first step draw-in groove joint on 1-m step of die block, the end mould joint respectively is in both ends around the side form to according to the shaping die cavity of predetermined width formation prefabricated staircase, wherein: n is more than or equal to m is more than or equal to 1, and n and m are positive integers.

2. The prefabricated staircase die of claim 1, wherein the bottom die, the side die and the end die are all steel dies.

3. The stair mold of claim 1, wherein a groove wall of the first step notch protrudes outward to form a skirt.

4. The prefabricated staircase die of claim 2, wherein a magnetic attraction fixing mechanism is further arranged between the side die and the end die.

5. The prefabricated staircase mold of claim 4, wherein the magnetic attraction fixing mechanism comprises an L-shaped connecting plate, a vertical plate of the L-shaped connecting plate is fixedly connected with the side mold through a screw, and a magnetic box is formed on a horizontal plate of the L-shaped connecting plate.

6. The stair mold of claim 5, wherein a switch ram is disposed on the magnetic box, the switch ram extending into the magnetic box and having a magnet attached to an end thereof, the magnet being capable of attracting to the end mold when the switch ram is depressed.

7. The prefabricated staircase die of claim 6, wherein abutting bolts for abutting against the end dies are respectively screwed on the magnetic boxes on both sides of the magnet.

8. The precast stair mold of claim 7, wherein a magnetism isolating plate is further disposed between the magnet and the abutting bolt.

9. The prefabricated staircase die of any one of claims 1 to 8, wherein i partition plates are arranged between the two side dies, and the forming die cavity is partitioned into i +1 concrete pouring cavities by the i partition plates, wherein i is greater than or equal to 1, and i is a positive integer.

10. The prefabricated staircase mold of claim 9, wherein the partition plate is provided at front and rear ends thereof with end mold clamping grooves respectively engaged with the end molds, and the lower end thereof is provided with m second step slots.