Mold equipment for producing ribbed beam type precast concrete stairs

Abstract

The utility model discloses mold equipment for producing a ribbed beam type precast concrete stair, and belongs to the technical field of precast concrete stair production. The bottom die is arranged on the bottom frame and is connected with the bottom frame; the two ribbed beam side molds are arranged on the two sides, extending in the width direction, of the bottom mold in a sliding mode correspondingly, so that mold opening and mold closing of the ribbed beam side molds and the bottom mold are achieved; the upper edge of the ribbed beam side die exceeds the upper edge of the bottom die, and the lower edge of the ribbed beam side die exceeds the lower edge of the bottom die; the two ends of the built-in mold in the length direction are connected with built-in mold baffles; a die cavity used for preparing the ribbed beam type prefabricated concrete stair is defined by the built-in die, the ribbed beam side die and the bottom die. According to the mold equipment for producing the ribbed beam type precast concrete stairs, complete demolding can be achieved during demolding, rapid filling of concrete can be achieved, and the pouring production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to prefabricated concrete stair production technical field, concretely relates to a mould equipment of production rib beam type prefabricated concrete stair. BACKGROUND

[0002] In prior art, the mould equipment structure of production prefabricated concrete stair is single, and the flexibility is poor, and when demolding, it can not be demolded completely, and can not realize the rapid filling of concrete, and the pouring production efficiency is low, and after pouring is completed, the air bubble of the poured concrete in the mould can not be discharged in time, which influences the compactness and smoothness of prefabricated concrete stair. UTILITY MODEL CONTENTS

[0003] In order to realize the solution to the above problems, the utility model adopts the following technical scheme:

[0004] A mould equipment of production rib beam type prefabricated concrete stair, comprising:

[0005] Bottom frame;

[0006] Bottom mould, the bottom mould is arranged on the bottom frame and is connected with the bottom frame;

[0007] Two rib beam side moulds, two rib beam side moulds are respectively slidably arranged on the two sides of the bottom mould extending along the width direction, to realize the mold opening and mold closing of the rib beam side mould and the bottom mould;The upper edge of the rib beam side mould exceeds the upper edge of the bottom mould, and the lower edge of the rib beam side mould exceeds the lower edge of the bottom mould;

[0008] Built-in mould, the length direction of the built-in mould is connected with built-in mould baffle;The two ends of the built-in mould baffle extending along the width direction of the built-in mould are respectively connected with the rib beam side mould, so that the built-in mould, the rib beam side mould and the bottom mould form a mould cavity for preparing rib beam type prefabricated concrete stair.

[0009] Further, the bottom frame comprises two oppositely arranged support frames;The outer side wall of the support frame is connected with a support positioning plate;The support positioning plate is connected with a positioning piece;A plurality of shock-absorbing pads are arranged at the bottom of the support frame;A plurality of connecting pieces are arranged between the two oppositely arranged support frames and are sequentially and spaced apart along the length direction of the bottom frame;The connecting piece extends along the width direction of the bottom frame, and the two ends of the extension direction of the connecting piece are respectively connected with the two support frames;The connecting piece is connected with a first vibrator, so as to discharge the air bubble in the concrete in the mould cavity.

[0010] Further, the bottom mold comprises a first bottom plate; the first bottom plate is in a wavy structure; the first bottom plate is connected with the support frame; one end of the first bottom plate extending along the length direction is connected with an upper rest rib beam upper stop mold plate, and the other end is connected with a lower rest rib beam lower stop mold plate.

[0011] Further, two rib beam side molds are respectively slidably arranged at two ends of the first bottom plate in the width direction; the rib beam side mold comprises a rib beam side mold edge plate, a rectangular tube and a side mold base; the upper edge of the rib beam side mold edge plate is horizontally arranged and beyond the upper edge of the first bottom plate; the lower edge of the rib beam side mold edge plate is parallel to the horizontal line and beyond the lower edge of the first bottom plate; one side outer side of the rectangular tube is fixedly connected with the inner side of the rib beam side mold edge plate; the top of the outer side of the rectangular tube is connected with the end of the built-in mold stop plate arranged in the width direction of the built-in mold through an adjusting pull rod, so that the built-in mold is arranged in the area surrounded by the rib beam side mold edge plate and the first bottom plate; the bottom of the rectangular tube is connected with a rib beam side mold positioning plate; the rib beam side mold positioning plate abuts against the positioning piece to position the rib beam side mold;

[0012] The side mold base is fixedly connected with the bottom of the rectangular tube; the bottom of the side mold base is connected with a pulley, which cooperates with a slide rail arranged outside the shock pad to move the rib beam side mold edge plate along the width direction of the first bottom plate, so as to realize the opening and closing of the mold equipment;

[0013] Wherein, two rectangular tubes arranged oppositely along the width direction of the bottom mold are connected through a tensioning piece.

[0014] Further, the top of the rectangular tube is connected with a positioning rod arranged correspondingly with the built-in mold stop plate.

[0015] Further, the built-in mold comprises a second bottom plate and two built-in mold edge plates; two built-in mold edge plates are respectively arranged at two ends of the width direction of the second bottom plate and fixedly connected with the second bottom plate; the included angle between the built-in mold edge plate and the second bottom plate is greater than 90 degrees to form a concrete demolding angle; a plurality of connecting rods are arranged on the second bottom plate in intervals; the connecting rods extend along the width direction of the second bottom plate and are fixedly connected with the inner wall of the built-in mold edge plate; a second vibrator is connected on the connecting rod;

[0016] The upper edge of the built-in mold edge plate is horizontally arranged and flush with the upper edge of the rib beam side mold edge plate; the lower edge of the built-in mold edge plate is horizontally arranged and connected with the end of the width direction of the second bottom plate;

[0017] The one end of the built-in mold side plate extending along the length direction is connected with an upper resting rib beam side mold, and the other end is connected with a lower resting rib beam side mold; the upper resting rib beam side mold is arranged in correspondence with the upper resting rib beam upper blocking mold plate; the lower resting rib beam side mold is arranged in correspondence with the lower resting rib beam lower blocking mold plate; the lower edge of the upper resting rib beam side mold is connected with the first end of the second bottom plate extending along the length direction, and the included angle between the upper resting rib beam side mold and the second bottom plate is greater than 90 degrees; the lower edge of the lower resting rib beam side mold is connected with the second end of the second bottom plate extending along the length direction, and the included angle between the lower resting rib beam side mold and the second bottom plate is greater than 90 degrees.

[0018] Further, two side edge storage hoppers are further included; the two side edge storage hoppers are arranged at the two ends of the second bottom plate extending along the width direction respectively; the side edge storage hopper includes a first side edge storage plate and a second side edge storage plate; the first side edge storage plate is arranged below the built-in mold blocking plate and is fixedly connected with the inner wall of the built-in mold; the second side edge storage plate is fixedly connected with the inner side of the rib beam side mold plate to cooperate with the first side edge storage plate to form a mold feeding port; the top of the mold feeding port is an inverted eight-shaped structure.

[0019] Beneficial effects:

[0020] The mold equipment for producing the rib beam type prefabricated concrete stair provided by the utility model can realize complete demolding when pouring the concrete stair, has good flexibility, the two sides of the inner mold along the width direction are further provided with feeding ports to realize rapid filling of the concrete, improve the pouring production efficiency, and the bubbles of the poured concrete in the mold can be discharged in time through the first vibrator and the second vibrator after pouring is completed, the compactness and smoothness of the rib beam type prefabricated concrete stair are improved, and the surface glossiness of the concrete stair is better and higher. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an explosion schematic view of the mold equipment for producing the rib beam type prefabricated concrete stair of the utility model;

[0022] Figure 2 It is a side view of the bottom frame of the mold equipment for producing the rib beam type prefabricated concrete stair of the utility model;

[0023] Figure 3 It is a front view of the bottom frame of the mold equipment for producing the rib beam type prefabricated concrete stair of the utility model;

[0024] Figure 4 It is a whole structure schematic view of the bottom mold of the mold equipment for producing the rib beam type prefabricated concrete stair of the utility model;

[0025] Figure 5The utility model discloses a rib beam side mould of mould equipment of rib beam type prefabricated concrete stair production,

[0026] Figure 6 The utility model discloses a rib beam side mould of mould equipment of rib beam type prefabricated concrete stair production,

[0027] Figure 7 The utility model discloses a rib beam side mould of mould equipment of rib beam type prefabricated concrete stair production,

[0028] Figure 8 The utility model discloses a rib beam side mould of mould equipment of rib beam type prefabricated concrete stair production,

[0029] Figure 9 The utility model discloses a rib beam side mould of mould equipment of rib beam type prefabricated concrete stair production,

[0030] 1, bottom frame, 101, support frame, 2, bottom mould, 201, first bottom plate, 3, rib beam side mould, 4, built-in mould, 401, second bottom plate, 402, upper rest rib beam side mould, 403, lower rest rib beam side mould, 404, built-in mould edge board, 5, side edge storage hopper, 501, first side edge storage board, 502, second side edge storage board, 6, first vibrator, 7, shock pad, 8, slide rail, 9, upper rest rib beam upper mould stop plate, 10, lower rest rib beam lower mould stop plate, 11, rectangular pipe, 1101, inner side of rectangular pipe, 12, tensioning piece, 13, pulley, 14, connecting rod, 15, connecting piece, 16, positioning rod, 17, adjusting pull rod, 18, built-in mould baffle, 19, rib beam side mould edge board, 20, side mould base, 21, positioning piece, 22, support positioning plate, 23, rib beam side mould positioning plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the following will be combined with the drawings in the utility model embodiment, and the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The components of the utility model embodiment described and shown in the drawing here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawing is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without creative labor belong to the scope of the utility model protection.

[0032] In the description of this utility model, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0033] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0035] Example 1

[0036] like Figures 1 to 9 As shown, a mold-making device for producing ribbed precast concrete stairs includes:

[0037] Base frame 1;

[0038] Bottom mold 2 is set on bottom frame 1 and connected to bottom frame 1;

[0039] Two rib side molds 3 are slidably set on both sides of the bottom mold 2 extending along the width direction to realize the opening and closing of the rib side molds 3 and the bottom mold 2; the upper edge of the rib side molds 3 extends beyond the upper edge of the bottom mold 2, and the lower edge of the rib side molds 3 extends beyond the lower edge of the bottom mold 2.

[0040] The inner mold 4 has inner mold baffles 18 connected to both ends of its length direction; the two ends of the inner mold baffles 18 extending along the width direction of the inner mold 4 are respectively connected to the rib side mold 3, so that the inner mold 4, the rib side mold 3, and the bottom mold 2 form a mold cavity for preparing the rib-beam precast concrete staircase.

[0041] The inner mold 4 is hoisted to a certain height by the lifting lugs, so as to realize the mold opening of the inner mold 4 and the rib beam side mold 3.

[0042] In the embodiment, the bottom frame 1 comprises two oppositely arranged support frames 101; the outer side walls of the support frames 101 are connected with support positioning plates 22; the support positioning plates 22 are connected with positioning members 21; a plurality of damping pads 7 are arranged at the bottom of the support frames 101; a plurality of connecting members 15 are arranged between the two oppositely arranged support frames 101 and are sequentially and spacedly arranged along the length direction of the bottom frame 1; the connecting members 15 extend along the width direction of the bottom frame 1, and the two ends of the extension direction of the connecting members 15 are connected with the two support frames 101 respectively; the connecting members 15 are connected with the first vibrator 6, so as to discharge the air bubbles in the concrete in the mold cavity.

[0043] In the embodiment, the outer side walls of the support frames 101 are connected with the support positioning plates 22 at the two ends extending along the length direction, and the four support positioning plates 22 on the two support frames 101 are connected with the positioning members 21, so as to limit the rib beam side mold 3 when the rib beam side mold 3 is closed, and ensure the perpendicularity of the rib beam side mold 3.

[0044] In the embodiment, the bottom mold 2 comprises a first bottom plate 201; the first bottom plate 201 is in a wave shape structure; the first bottom plate 201 is connected with the support frame 101; one end of the first bottom plate 201 extending along the length direction is connected with the upper resting rib beam upper mold stop plate 9, and the other end is connected with the lower resting rib beam lower mold stop plate 10.

[0045] In the embodiment, the two rib beam side molds 3 are slidably arranged at the two ends of the width direction of the first bottom plate 201 respectively; the rib beam side mold 3 comprises a rib beam side mold edge plate 19, a rectangular tube 11 and a side mold base 20; the two rib beam side mold edge plates 19 are arranged at the two ends of the width direction of the first bottom plate 201 respectively; the upper edge of the rib beam side mold edge plate 19 exceeds the upper edge of the first bottom plate 201, and the lower edge of the rib beam side mold edge plate 19 is parallel to the horizontal line and exceeds the lower edge of the first bottom plate 201; one outer side face 1101 of the rectangular tube 11 is fixedly connected with the inner side face of the rib beam side mold edge plate 19; the top of the outer side face of the rectangular tube 11 is connected with the end part arranged along the width direction of the inner mold 4 on the inner mold stop plate 18 through the adjusting pull rod 17, so as to arrange the inner mold 4 in the area surrounded by the rib beam side mold edge plate 19 and the first bottom plate 201; the bottom of the rectangular tube 11 is connected with the rib beam side mold positioning plate 23; the rib beam side mold positioning plate 23 abuts against the positioning member 21, so as to position the rib beam side mold 3.

[0046] Preferably, in the embodiment, the positioning member 21 comprises a screw rod and a nut, one end of the screw rod is connected with the support positioning plate 22, the other end extends along the width direction of the first bottom plate 201 and is threadedly connected with the nut, when the ribbed beam side mold edge plate 19 is combined with the built-in mold 4, the ribbed beam side mold positioning plate 23 abuts against the nut, and the ribbed beam side mold edge plate 19 is limited to ensure the perpendicularity of the ribbed beam side mold edge plate 19.

[0047] The side mold base 20 is fixedly connected with the bottom of the rectangular tube 11; the bottom of the side mold base 20 is connected with a pulley 13, the pulley 13 cooperates with the slide rail 8 arranged outside the shock pad 7 to move the ribbed beam side mold edge plate 19 along the width direction of the first bottom plate 201, and the mold equipment is opened and combined;

[0048] Preferably, the two rectangular tubes 11 oppositely arranged along the width direction of the bottom mold 2 are connected through the tensioning member 12.

[0049] In the embodiment, the top of the rectangular tube 11 is connected with the positioning rod 16 arranged correspondingly with the built-in mold baffle 18.

[0050] In the embodiment, the built-in mold 4 comprises a second bottom plate 401 and two built-in mold edge plates 404; the two built-in mold edge plates 404 are arranged at two ends of the width direction of the second bottom plate 401 respectively and are fixedly connected with the second bottom plate 401; the included angle between the built-in mold edge plate 404 and the second bottom plate 401 is greater than 90 degrees to form a concrete demolding angle; a plurality of connecting rods 14 are arranged on the second bottom plate 401 at intervals; the connecting rod 14 extends along the width direction of the second bottom plate 401 and is fixedly connected with the inner wall of the built-in mold edge plate 404; the connecting rod 14 is connected with the second vibrator;

[0051] The upper edge of the built-in mold edge plate 404 is horizontally arranged and flush with the upper edge of the ribbed beam side mold edge plate 19; the lower edge of the built-in mold edge plate 404 is horizontally arranged and connected with the end of the width direction of the second bottom plate 401;

[0052] One end of the built-in mold edge plate 404 extending along the length direction is connected with the upper resting ribbed beam side mold 402, and the other end is connected with the lower resting ribbed beam side mold 403; the upper resting ribbed beam side mold 402 is correspondingly arranged with the upper resting ribbed beam upper mold stop plate 9; the lower resting ribbed beam side mold 403 is correspondingly arranged with the lower resting ribbed beam lower mold stop plate 10; the lower edge of the upper resting ribbed beam side mold 402 is connected with the first end of the second bottom plate 401 extending along the length direction, and the included angle between the upper resting ribbed beam side mold 402 and the second bottom plate 401 is greater than 90 degrees; the lower edge of the lower resting ribbed beam side mold 403 is connected with the second end of the second bottom plate 401 extending along the length direction, and the included angle between the lower resting ribbed beam side mold 403 and the second bottom plate 401 is greater than 90 degrees.

[0053] In the embodiment, two side storage hoppers 5 are further included; the two side storage hoppers 5 are respectively arranged at two ends of the second bottom plate 401 extending in the width direction; the side storage hopper 5 includes a first side storage plate 501 and a second side storage plate 502; the first side storage plate 501 is arranged below the built-in mold baffle 18 and is fixedly connected with the inner wall of the built-in mold 4; the second side storage plate 502 is fixedly connected with the inner side of the rib beam side mold plate 19 to cooperatively form the mold feeding port with the first side storage plate 501; and the top of the mold feeding port is in an inverted eight-shaped structure.

[0054] The working process of the mold equipment for producing the rib beam type prefabricated concrete stair provided by the utility model is as follows:

[0055] Firstly, the bottom of the first bottom plate 201 of the bottom mold 2 and the top of the support frame 101 of the bottom frame 1 are welded, the two rib beam side molds 3 are moved to the two ends of the first bottom plate 201 through the pulleys 13, at this time, the rib beam side mold 3 is positioned through the positioning piece 21 and the support positioning plate 22 on the support frame 101 to ensure the perpendicularity of the rib beam side mold plate 19, so that the rib beam side mold plate 19 is attached to the two ends of the first bottom plate 201 in the width direction; a plurality of tensioning pieces 12 are installed on the two rectangular tubes 11 and are tightened, a certain amount of concrete is poured into the area surrounded by the rib beam side mold 3 and the bottom mold 2, the first vibrator 6 is started to discharge the air bubbles in the concrete in the area and to compact the concrete;

[0056] Secondly, the built-in mold 4 is slowly hoisted into the area surrounded by the rib beam side mold 3 and the bottom mold 2 from one side of the bottom frame 1 in the width direction, the built-in mold 4 is positioned on the rectangular tube 11 through the positioning rod 16, and the built-in mold baffle 18 on the built-in mold 4 and the rectangular tube 11 on the rib beam side mold 3 are tightened through the adjusting rod 17, so that a certain distance is maintained between the second bottom plate 401 and the first bottom plate 201 and the concrete poured for the first time is extruded; the first side storage plate 501 on the built-in mold plate 404 cooperates with the second side storage plate 502 on the rib beam side mold plate 19 to form the side storage hopper 5, a certain amount of concrete is poured again from the feeding port at the top of the side storage hopper 5, and the second vibrator is opened to discharge the air bubbles in the concrete and to compact the concrete;

[0057] Finally, after the concrete reaches a certain strength, demolding is performed.

[0058] The mold equipment for producing the rib beam type prefabricated concrete stair provided by the utility model can adapt to the standardized production of complex lightweight rib beam type stair components, can vibrate and discharge air bubbles under the vibration of the first vibrator 6 and the second vibrator and the damping effect of the damping pad 7 when pouring concrete, is beneficial to improving the compactness and smoothness of the rib beam type prefabricated concrete stair, and makes the concrete stair surface smooth and high-strength.

[0059] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application in any way. Therefore, any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still falls within the scope of the technical solution of the present application.

Claims

1. A mold equipment for producing ribbed precast concrete stairs, characterized in that, include: Base frame; A bottom mold, which is disposed on the bottom frame and connected to the bottom frame; Two rib-beam side molds are slidably disposed on both sides of the bottom mold extending in the width direction, so as to realize the opening and closing of the rib-beam side molds and the bottom mold; the upper edge of the rib-beam side molds extends beyond the upper edge of the bottom mold, and the lower edge of the rib-beam side molds extends beyond the lower edge of the bottom mold. An internal mold, wherein both ends of the internal mold along its length are connected to internal mold baffles; The two ends extending along the width of the built-in mold baffle are respectively connected to the rib beam side mold, so that the built-in mold, the rib beam side mold, and the bottom mold form a mold cavity for preparing a rib beam type precast concrete staircase.

2. The mold equipment for producing ribbed precast concrete stairs according to claim 1, characterized in that, The base frame includes two opposing support frames; a support positioning plate is connected to the outer side wall of the support frame; a positioning element is connected to the support positioning plate; multiple shock-absorbing pads are spaced apart at the bottom of the support frame; multiple connectors are arranged between the two opposing support frames, spaced apart along the length of the base frame; the connectors extend along the width of the base frame, and both ends of the extension direction of the connectors are respectively connected to the two support frames; a first vibrator is connected to the connector to expel air bubbles from the concrete in the mold cavity.

3. The mold equipment for producing ribbed precast concrete stairs according to claim 2, characterized in that, The bottom mold includes a first bottom plate; the first bottom plate has a wave-shaped structure; the first bottom plate is connected to the support frame; one end of the first bottom plate extending along the length direction is connected to the upper support rib beam upper retaining template, and the other end is connected to the lower support rib beam lower retaining template.

4. The mold equipment for producing ribbed precast concrete stairs according to claim 3, characterized in that, Two rib-beam side molds are slidably disposed at both ends of the width direction of the first base plate; each rib-beam side mold includes a rib-beam side mold plate, a rectangular tube, and a side mold base; the upper edge of the rib-beam side mold plate is horizontally positioned and extends beyond the upper edge of the first base plate; the lower edge of the rib-beam side mold plate is parallel to the horizontal line and extends beyond the lower edge of the first base plate; one outer side of the rectangular tube is fixedly connected to the inner side of the rib-beam side mold plate; the top of the outer side of the rectangular tube is connected to the end of the inner mold baffle positioned along the width direction of the inner mold via an adjusting rod, so that the inner mold is positioned within the area enclosed by the rib-beam side mold plate and the first base plate; a rib-beam side mold positioning plate is connected to the bottom of the rectangular tube; the rib-beam side mold positioning plate abuts against the positioning element to position the rib-beam side mold. The side mold base is fixedly connected to the bottom of the rectangular tube; the bottom of the side mold base is connected to a pulley, which cooperates with a slide rail located outside the shock-absorbing pad, so that the rib beam side mold plate moves along the width direction of the first base plate to realize the mold opening and closing of the mold equipment; The two rectangular tubes arranged opposite each other along the width direction of the bottom mold are connected by a tensioning member.

5. The mold equipment for producing ribbed precast concrete stairs according to claim 4, characterized in that, The top of the rectangular tube is connected to a positioning rod that corresponds to the built-in mold baffle.

6. The mold equipment for producing ribbed precast concrete stairs according to claim 4, characterized in that, The built-in mold includes a second base plate and two built-in mold side plates; the two built-in mold side plates are respectively disposed at both ends of the second base plate in the width direction and are fixedly connected to the second base plate; the included angle between the built-in mold side plates and the second base plate is greater than 90 degrees to form a concrete demolding angle; a plurality of connecting rods are spaced apart on the second base plate; the connecting rods extend along the width direction of the second base plate and are fixedly connected to the inner wall of the built-in mold side plates; a second vibrator is connected to the connecting rod; The upper edge of the built-in mold plate is horizontally arranged and flush with the upper edge of the rib beam side mold plate; the lower edge of the built-in mold plate is horizontally arranged and connected to the end of the second base plate in the width direction. One end of the built-in mold plate extending along the length direction is connected to the upper supporting rib beam side mold, and the other end is connected to the lower supporting rib beam side mold; the upper supporting rib beam side mold is correspondingly set with the upper supporting rib beam upper stop template; the lower supporting rib beam side mold is correspondingly set with the lower supporting rib beam lower stop template; the lower edge of the upper supporting rib beam side mold is connected to the first end extending along the length direction of the second base plate, and the included angle between the upper supporting rib beam side mold and the second base plate is greater than 90 degrees; the lower edge of the lower supporting rib beam side mold is connected to the second end extending along the length direction of the second base plate, and the included angle between the lower supporting rib beam side mold and the second base plate is greater than 90 degrees.

7. The mold equipment for producing ribbed precast concrete stairs according to claim 6, characterized in that, It also includes two side storage hoppers; the two side storage hoppers are respectively disposed at both ends of the second base plate extending along the width direction; the side storage hopper includes a first side storage plate and a second side storage plate; the first side storage plate is disposed below the built-in mold baffle and is fixedly connected to the inner wall of the built-in mold; the second side storage plate is fixedly connected to the inner side of the rib beam side mold plate to cooperate with the first side storage plate to form a mold inlet; the top of the mold inlet has an inverted V-shaped structure.

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