One-time forming production mold for steel-concrete composite precast floor slab

Abstract

The present invention discloses a one - time forming production mold for a steel - concrete composite precast floor slab, which relates to the technical field of building precast components. The main purpose is to improve the efficiency of the steel - concrete composite precast floor slab and reduce costs. The main technical solution of the present invention is as follows: A one - time forming production mold for a steel - concrete composite precast floor slab, the device includes: an upper - layer plate template is fixedly connected in parallel to a lower - layer plate template, and a plurality of holes and grooves are axially arranged on the upper - layer plate template and the lower - layer plate template respectively; two upper - layer plate side plates are arranged opposite to each other, and both sides of the upper - layer plate side plates are detachably connected to an upper - layer plate cover plate and the upper - layer plate template respectively, and both sides of the upper - layer plate bottom plate are detachably connected to the upper - layer plate cover plate and the upper - layer plate template respectively; two lower - layer plate side plates are arranged opposite to each other, and both sides of the lower - layer plate side plates are detachably connected to a lower - layer plate cover plate and the lower - layer plate template respectively, and both sides of the lower - layer plate bottom plate are detachably connected to the lower - layer plate cover plate and the lower - layer plate template respectively.

Description

Technical Field

[0001] The present invention relates to the technical field of building prefabricated components, and particularly to a one - time forming production mold for a steel - concrete composite precast floor slab. Background Art

[0002] The assembled structure is an inevitable trend in the transformation of construction methods. Among them, the composite slab is an important horizontal load - bearing component in the assembled structure. The steel - concrete composite precast floor slab is a kind of precast floor slab of the composite slab, including a lower layer slab, steel connectors, and an upper layer slab. The steel connectors are distributed at intervals along the plate length direction and are embedded in the upper and lower layer slabs. The steel connectors generally consist of a horizontal anchoring steel plate and a vertical web. The upper and lower layer slabs form an integral body through the steel connectors. The steel - concrete composite precast floor slab has prominent advantages such as large stiffness during the construction stage, saving formwork and supports.

[0003] As Figure 7 shown, there are two production processes for the steel - concrete composite precast floor slab, both of which are flat - stacked production. One is to pre - bury the steel connectors in the upper layer slab 24 and the lower layer slab 25 respectively, separately produce the upper layer slab 24 and the lower layer slab 25, and then form the integral precast floor slab by welding or bolt connection of the upper layer slab 24 and the lower layer slab 25; the other is to first pre - bury the steel connectors in the upper layer slab 24, pour concrete to form the upper layer slab 24, then hoist and turn it over, formwork and pour the lower layer slab 25 below the upper layer slab 24, and form an integral precast floor slab with the upper layer slab 24 after the concrete of the lower layer slab 25 hardens. Both of these two production processes require separate production of the upper layer slab 24 and the lower layer slab 25, with complex production and increased time cost and labor cost. Summary of the Invention

[0004] In view of this, the present invention provides a one - time forming production mold for a steel - concrete composite precast floor slab, and the main purpose is to improve the efficiency of the steel - concrete composite precast floor slab and reduce costs.

[0005] To achieve the above - mentioned purpose, the present invention mainly provides the following technical solutions:

[0006] The present invention provides a one - time forming production mold for a steel - concrete composite precast floor slab, and the device includes: an intermediate mold, an upper layer slab assembly part, and a lower layer slab assembly part;

[0007] The intermediate mold includes an upper layer slab template and a lower layer slab template. The upper layer slab template is fixedly connected in parallel to the lower layer slab template. A plurality of hole grooves are axially arranged on the upper layer slab template and the lower layer slab template respectively, and the plurality of hole grooves on the upper layer slab template and the plurality of hole grooves on the lower layer slab template correspond one by one for accommodating steel connectors;

[0008] The upper plate assembly part includes an upper plate cover plate, an upper plate bottom plate, and two upper plate side plates. The upper plate cover plate and the upper plate template are arranged opposite to each other. The two upper plate side plates are arranged opposite to each other. The two side edges of the upper plate side plate are respectively detachably connected to the upper plate cover plate and the upper plate template. The two side edges of the upper plate bottom plate are respectively detachably connected to the upper plate cover plate and the upper plate template;

[0009] The lower plate assembly part includes a lower plate cover plate, a lower plate bottom plate, and two lower plate side plates. The lower plate cover plate and the lower plate template are arranged opposite to each other. The two lower plate side plates are arranged opposite to each other. The two side edges of the lower plate side plate are respectively detachably connected to the lower plate cover plate and the lower plate template. The two side edges of the lower plate bottom plate are respectively detachably connected to the lower plate cover plate and the lower plate template.

[0010] The object of the present invention and the solution to its technical problems can be further realized by adopting the following technical measures.

[0011] Optionally, a plurality of first reserved longitudinal bar holes are arranged on the upper plate side plate.

[0012] Optionally, a plurality of second reserved longitudinal bar holes are arranged on the lower plate side plate.

[0013] Optionally, the hole grooves on the upper plate template include a plurality of first hole grooves and a plurality of second hole grooves. The plurality of first hole grooves and the plurality of second hole grooves are arranged alternately. The width of the first hole groove is greater than the width of the second hole groove.

[0014] Optionally, the intermediate mold further includes a support plate. The support plate is located below the hole groove. The two ends of the support plate are respectively fixedly connected to the upper plate template and the lower plate template, and are used to fix the parallel relationship between the upper plate template and the lower plate template.

[0015] Optionally, the two side edges of the upper plate side plate are respectively rotationally connected to the upper plate cover plate and the upper plate template through hinges. The two side edges of the upper plate bottom plate are respectively rotationally connected to the upper plate cover plate and the upper plate template through hinges.

[0016] Optionally, the two side edges of the lower plate side plate are respectively rotationally connected to the lower plate cover plate and the lower plate template through hinges. The two side edges of the lower plate bottom plate are respectively rotationally connected to the lower plate cover plate and the lower plate template through hinges.

[0017] Optionally, it further includes a plurality of intermediate clamps. The two ends of the intermediate clamp are respectively provided with convex parts. The convex parts are filled in the hole grooves and are used to limit the displacement of the steel connecting piece in the hole grooves.

[0018] With the above technical solutions, the present invention has at least the following advantages:

[0019] Assemble the upper plate cover, the upper plate bottom plate, the upper plate template and two upper plate side plates into a first cubic frame body with an open upper end; similarly, assemble the lower plate cover, the lower plate bottom plate, the lower plate template and two lower plate side plates into a second cubic frame body with an open upper end.

[0020] On this basis, place the steel connecting piece in the hole grooves of the upper plate template and the lower plate template at the same time, and both ends of the steel connecting piece are located inside the first cubic frame body and the second cubic frame body respectively.

[0021] Then, pour fine aggregate concrete inward from the open upper ends of the first cubic frame body and the second cubic frame body to simultaneously form the upper plate and the lower plate. After the concrete is cured and formed, both ends of the steel connecting piece are solidified in the concrete. At this time, disassemble the first cubic frame body and the second cubic frame body in sequence. First, remove the upper plate cover, the upper plate bottom plate, two upper plate side plates, the lower plate cover, the lower plate bottom plate and two lower plate side plates, and then rotate the formed precast bottom plate by ninety degrees, place the lower plate on the ground, and take out the intermediate mold between the upper plate and the lower plate (that is, disconnect the steel connecting piece and the hole groove from each other).

[0022] The advantages of this mold are summarized as follows:

[0023] 1. This mold provides a one-time forming and pouring mold for a steel-concrete composite precast bottom plate. The mold is easy to assemble and disassemble. When making a steel-concrete composite precast bottom plate, it is not necessary to pour the upper and lower plates separately and then splice them, which can effectively reduce the production links of the steel-concrete composite precast bottom plate, improve the production efficiency, save production time, and reduce labor costs.

[0024] 2. This mold uses vertical pouring to make the precast bottom plate, which greatly reduces the floor area of a single production unit, improves the utilization efficiency of the operation area, and then improves the production efficiency, reduces the production cost, and is conducive to industrial production.

[0025] 3. This mold can be recycled. The intermediate mold can be modified, customized and flexibly replaced according to different layout forms of steel connecting pieces, so as to be used for producing steel-concrete composite precast bottom plates with different layout forms of steel connecting pieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The side view of a one-time forming production mold for a steel-concrete composite precast bottom plate provided by an embodiment of the present invention;

[0027] Figure 2 The perspective view of an intermediate mold provided by an embodiment of the present invention;

[0028] Figure 3 Schematic diagram of the arrangement of holes and grooves on the upper layer board template or the lower layer board template;

[0029] Figure 4 Layout diagram of multiple steel connectors relative to the upper layer board template or the lower layer board template;

[0030] Figure 5 Schematic diagram of the structure of the hinge;

[0031] Figure 6 is Figure 2 Enlarged view of part A in

[0032] Figure 7 Schematic diagram of the structure of the existing precast steel - concrete composite floor slab.

[0033] The reference numerals in the attached drawings of the specification include: upper layer board template 1, lower layer board template 2, steel connector 3, upper layer board cover plate 4, upper layer board bottom plate 5, upper layer board side plate 6, lower layer board cover plate 7, lower layer board bottom plate 8, lower layer board side plate 9, first reserved longitudinal reinforcement hole 10, second reserved longitudinal reinforcement hole 11, first hole and groove 12, second hole and groove 13, support plate 14, sub - hinge plate 15, mother - hinge plate 16, first bolt 17, second bolt 18, inserting pipe 19, spring 20, end pipe 21, intermediate fixture 22, protruding part 23, upper layer board 24, lower layer board 25. Detailed Description of the Invention

[0034] To further elaborate on the technical means and effects adopted by the present invention to achieve the intended invention purpose, the following, in conjunction with the attached drawings and preferred embodiments, details the specific implementation manners, structures, features, and their effects of the application according to the present invention. In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. In addition, the specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0035] The present invention will be further described in detail below with reference to the attached drawings and embodiments.

[0036] As Figure 1 、 Figure 2 shown, a one - time forming production mold for a precast steel - concrete composite floor slab provided by an embodiment of the present invention includes: an intermediate mold, an upper layer board assembly part, and a lower layer board assembly part;

[0037] The intermediate mold includes an upper layer board template 1 and a lower layer board template 2. The upper layer board template 1 is fixedly connected in parallel to the lower layer board template 2. A plurality of holes and grooves are axially arranged on the upper layer board template 1 and the lower layer board template 2 respectively. The plurality of holes and grooves on the upper layer board template 1 correspond one - to - one with the plurality of holes and grooves on the lower layer board template 2 for accommodating the steel connector 3;

[0038] The upper plate assembly part includes an upper plate cover plate 4, an upper plate bottom plate 5 and two upper plate side plates 6. The upper plate cover plate 4 and the upper plate template 1 are arranged oppositely. The two upper plate side plates 6 are arranged oppositely. The two side edges of the upper plate side plate 6 are detachably connected to the upper plate cover plate 4 and the upper plate template 1 respectively. The two side edges of the upper plate bottom plate 5 are detachably connected to the upper plate cover plate 4 and the upper plate template 1 respectively.

[0039] The lower plate assembly part includes a lower plate cover plate 7, a lower plate bottom plate 8 and two lower plate side plates 9. The lower plate cover plate 7 and the lower plate template 2 are arranged oppositely. The two lower plate side plates 9 are arranged oppositely. The two side edges of the lower plate side plate 9 are detachably connected to the lower plate cover plate 7 and the lower plate template 2 respectively. The two side edges of the lower plate bottom plate 8 are detachably connected to the lower plate cover plate 7 and the lower plate template 2 respectively.

[0040] The working process of a one - time forming production mold for a steel - concrete composite precast floor slab is as follows:

[0041] Assemble the upper plate cover plate 4, the upper plate bottom plate 5, the upper plate template 1 and two upper plate side plates 6 into a first cubic frame body with an open upper end. Similarly, assemble the lower plate cover plate 7, the lower plate bottom plate 8, the lower plate template 2 and two lower plate side plates 9 into a second cubic frame body with an open upper end.

[0042] On this basis, place the steel connector 3 into the hole grooves of the upper plate template 1 and the lower plate template 2 simultaneously. The two ends of the steel connector 3 are respectively located inside the first cubic frame body and the second cubic frame body.

[0043] Then, pour fine - aggregate concrete inward from the open upper ends of the first cubic frame body and the second cubic frame body to simultaneously form the upper plate and the lower plate. After the concrete is cured and formed, the two ends of the steel connector 3 are respectively solidified in the concrete. At this time, disassemble the first cubic frame body and the second cubic frame body in sequence. First, remove the upper plate cover plate 4, the upper plate bottom plate 5, two upper plate side plates 6, the lower plate cover plate 7, the lower plate bottom plate 8 and two lower plate side plates 9. Then, rotate the formed precast floor slab by ninety degrees, place the lower plate on the ground, and take out the intermediate mold between the upper plate and the lower plate (that is, disconnect the steel connector 3 from the hole grooves).

[0044] In the technical solution of the present invention, by using this mold, the upper precast plate and the lower precast plate are simultaneously poured and cured and formed, the precast time is shortened, the work efficiency is improved, and the cost is reduced.

[0045] Specifically, the steel connector 3 is composed of an anchoring part buried in the upper and lower plates and a connecting part connecting the upper and lower plates, and is in an "I" shape, and needs to be manufactured in advance.

[0046] Specifically, the hole groove is a rectangular hole groove with an upper opening, which is convenient for placing the steel connecting member 3 into the hole groove from top to bottom.

[0047] As Figure 1 shown, specifically, chamfers of 45° are provided on the side edges where the middle mold and the upper plate assembly part are butt-jointed, and chamfers of 45° are provided on the side edges where the middle mold and the lower plate assembly part are butt-jointed, which is convenient for the first cubic frame and the second cubic frame to be closed-molded.

[0048] As Figure 1 shown, in the specific embodiment, a plurality of first reserved longitudinal bar holes 10 are arranged on the upper plate side plate 6.

[0049] In this embodiment, specifically, before pouring the fine aggregate concrete, the operator inserts the steel bars into the opposite first reserved longitudinal bar holes 10 of the two upper plate side plates 6 in sequence, and then pours the fine aggregate concrete. After curing, a plurality of steel bars are fixed in the upper plate, improving the prestressed structural strength of the upper plate and avoiding axial bending of the upper plate.

[0050] As Figure 1 shown, in the specific embodiment, a plurality of second reserved longitudinal bar holes 11 are arranged on the lower plate side plate 9.

[0051] In this embodiment, specifically, before pouring the fine aggregate concrete, the operator inserts the steel bars into the opposite second reserved longitudinal bar holes 11 of the two lower plate side plates 9 in sequence, and then pours the fine aggregate concrete. After curing, a plurality of steel bars are fixed in the lower plate, improving the prestressed structural strength of the lower plate and avoiding axial bending of the lower plate.

[0052] As Figure 2 and Figure 3 shown, in the specific embodiment, the hole grooves on the upper plate form 1 include a plurality of first hole grooves 12 and a plurality of second hole grooves 13, and the plurality of first hole grooves 12 and the plurality of second hole grooves 13 are arranged alternately, and the width of the first hole groove 12 is greater than the width of the second hole groove 13.

[0053] As Figure 3 and Figure 4 shown, in this embodiment, specifically, the first hole groove 12 is used for longitudinally (axial direction of the precast slab) placing the steel connecting member 3, and the second hole groove 13 is used for transversely (radial direction of the precast slab) placing the steel connecting member 3.

[0054] As Figure 1As shown, in the specific embodiment, the intermediate mold further includes a support plate 14. The support plate 14 is located below the hole groove. Two ends of the support plate 14 are respectively fixedly connected to the upper plate template 1 and the lower plate template 2, and are used to fix the parallel relationship between the upper plate template 1 and the lower plate template 2.

[0055] In this embodiment, specifically, the number of the support plates 14 is multiple. Each support plate 14 is respectively welded to the upper plate template 1 and the lower plate template 2. Since the parallel relationship between the upper plate template 1 and the lower plate template 2 is fixed, the upper plate and the lower plate after casting and curing are parallel to each other.

[0056] As Figure 1 shown, in the specific embodiment, two side edges of the upper plate side plate 6 are respectively rotatably connected to the upper plate cover plate 4 and the upper plate template 1 through hinges. Two side edges of the upper plate bottom plate 5 are respectively rotatably connected to the upper plate cover plate 4 and the upper plate template 1 through hinges.

[0057] As Figure 5 shown, in this embodiment, specifically, the hinge adopts a detachable hinge, which includes a sub-hinge plate 15, a mother-hinge plate 16 and a plug pin. The sub-hinge plate 15 and the mother-hinge plate 16 are respectively fixedly connected to adjacent plate components. The plug pin includes a first plug pin 17 and a second plug pin 18. The sub-hinge plate 15 is fixedly connected to a plug tube 19. The first plug pin 17 and the second plug pin 18 are slidably connected to opposite ends of the plug tube 19. A spring 20 is located inside the plug tube 19 and is used to abut against the first plug pin 17 and the second plug pin 18. The mother-hinge plate 16 is fixedly connected to two end tubes 21 and is used to accommodate the exposed parts of the first plug pin 17 and the second plug pin 18. When it is necessary to disassemble the hinge, overcome the thrust of the spring 20 and push the first plug pin 17 and the second plug pin 18 into the plug tube 19 at the same time, and the separation of the sub-hinge plate 15 and the mother-hinge plate 16 can be realized, so as to realize the detachable of each plate component.

[0058] Specifically, two side edges of the upper plate bottom plate 5 are respectively rotatably connected to the lower side edge of the upper plate cover plate 4 and the lower side edge of the upper plate template 1 through detachable hinges. The left and right side edges of the upper plate side plate 6 are respectively rotatably connected to the upper plate cover plate 4 and the upper plate template 1 through detachable hinges.

[0059] As Figure 1 shown, in the specific embodiment, two side edges of the lower plate side plate 9 are respectively rotatably connected to the lower plate cover plate 7 and the lower plate template 2 through hinges. Two side edges of the lower plate bottom plate 8 are respectively rotatably connected to the lower plate cover plate 7 and the lower plate template 2 through hinges.

[0060] In this embodiment, specifically, both side edges of the bottom plate 8 of the lower layer are rotatably connected to the lower side edge of the cover plate 7 of the lower layer and the lower side edge of the template 2 of the lower layer through detachable hinges, and the left and right side edges of the side plate 9 of the lower layer are rotatably connected to the cover plate 7 of the lower layer and the template 2 of the lower layer through detachable hinges.

[0061] It should be noted that the template connection structure includes but is not limited to the hinges. The template connection structure has the function of facilitating the disassembly and connection of the templates, and any connection structure with this function can be used as the template connection structure.

[0062] As Figure 2 and Figure 6 shown, in the specific embodiment, it further includes a plurality of intermediate clamps 22. Both ends of the intermediate clamp 22 are respectively provided with protruding members 23, and the protruding members 23 are filled in the hole grooves for restricting the displacement of the steel connecting member 3 in the hole grooves.

[0063] In this embodiment, specifically, the thickness of the intermediate clamp 22 is slightly smaller than the distance between the upper layer template 1 and the lower layer template 2. The centers of both end faces of the intermediate clamp 22 are respectively provided with protruding members 23, and the protruding members 23 are vertically and slidably arranged in the hole grooves for squeezing the steel connecting member 3 against the bottom of the hole grooves.

[0064] The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A one-time forming production mold for a steel-concrete composite precast floor slab, characterized in that, Comprising: An intermediate mold, the intermediate mold includes a support plate, an upper plate template and a lower plate template. A plurality of holes are axially arranged on the upper plate template and the lower plate template respectively. The plurality of holes on the upper plate template and the plurality of holes on the lower plate template correspond one by one and are used to accommodate steel connectors. The holes on the upper plate template include a plurality of first holes and a plurality of second holes, and the plurality of first holes and the plurality of second holes are arranged alternately. The width of the first hole is greater than the width of the second hole. The support plate is located below the holes, and both ends of the support plate are fixedly connected to the upper plate template and the lower plate template respectively, for fixing the parallel relationship between the upper plate template and the lower plate template; A plurality of intermediate clamps, with protruding parts provided at both ends of the intermediate clamps respectively, and the protruding parts are filled in the holes for restricting the displacement of the steel connectors in the holes; An upper plate assembly part, the upper plate assembly part includes an upper plate cover plate, an upper plate bottom plate and two upper plate side plates. The upper plate cover plate and the upper plate template are arranged opposite to each other, and the two upper plate side plates are arranged opposite to each other. The two sides of the upper plate side plates are detachably connected to the upper plate cover plate and the upper plate template respectively, and the two sides of the upper plate bottom plate are detachably connected to the upper plate cover plate and the upper plate template respectively; A lower plate assembly part, the lower plate assembly part includes a lower plate cover plate, a lower plate bottom plate and two lower plate side plates. The lower plate cover plate and the lower plate template are arranged opposite to each other, and the two lower plate side plates are arranged opposite to each other. The two sides of the lower plate side plates are detachably connected to the lower plate cover plate and the lower plate template respectively, and the two sides of the lower plate bottom plate are detachably connected to the lower plate cover plate and the lower plate template respectively.

2. The one-time forming production mold for a steel-concrete composite precast floor slab according to claim 1, wherein A plurality of first reserved longitudinal bar holes are arranged on the upper plate side plates.

3. The one-time forming production mold for a steel-concrete composite precast floor slab according to claim 1, wherein A plurality of second reserved longitudinal bar holes are arranged on the lower plate side plates.

4. The one-time forming production mold for a steel-concrete composite precast floor slab according to any one of claims 1 to 3, wherein The two sides of the upper plate side plates are respectively rotatably connected to the upper plate cover plate and the upper plate template through hinges, and the two sides of the upper plate bottom plate are respectively rotatably connected to the upper plate cover plate and the upper plate template through hinges.

5. The one-time forming production mold for a steel-concrete composite precast floor slab according to any one of claims 1 to 3, wherein The two sides of the lower plate side plates are respectively rotatably connected to the lower plate cover plate and the lower plate template through hinges, and the two sides of the lower plate bottom plate are respectively rotatably connected to the lower plate cover plate and the lower plate template through hinges.

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