CN215471912U

CN215471912U - Special-shaped pile mould set

Info

Publication number: CN215471912U
Application number: CN202023201158.5U
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2022-01-11
Anticipated expiration: 2030-12-26

Abstract

The utility model discloses a special-shaped pile mould set which comprises a bottom mould plate and a plurality of side mould plates arranged on the bottom mould plate at intervals along the transverse direction, wherein at least one convex moulding surface is formed on the base moulding surface of the bottom mould plate and the base moulding surfaces of the side mould plates at intervals along the respective length direction, a mould cavity of a special-shaped pile is formed between two adjacent side mould plates at one side provided with the moulding surface, the mould cavity comprises a coarse mould cavity section and a fine mould cavity section which are alternately arranged along the length direction, the side mould plates and the bottom mould plate are detachably connected by a plurality of groups of fastening components below the fine mould cavity section, at least a demoulding space is arranged between two adjacent mould cavities, and/or demoulding spaces are arranged at two transverse sides of the special-shaped pile mould set. The special-shaped pile mold set provided by the utility model is provided with the side mold plate and the bottom mold plate which are detachably connected by the fastening assembly below the fine mold cavity section, so that the smooth demolding of the special-shaped pile is realized, and the damage of the hard demolding to the outer wall of the special-shaped pile is avoided.

Description

Special-shaped pile mould set

Technical Field

The utility model relates to the field of manufacturing of special-shaped piles, in particular to a special-shaped pile die set.

Background

The special-shaped pile is a pile foundation member commonly used in the existing buildings, the section of the special-shaped pile is generally square, the traditional precast pile is mostly a straight pile, the cross section of the traditional precast pile is unchanged along the length of the pile, the processing is convenient, and the manufacturing quality is easy to guarantee. However, with the development of the construction industry, the prefabricated pile has higher requirements on the bearing capacity, the pulling resistance and the bending resistance of the prefabricated pile, so that the special-shaped pile also appears. The special-shaped pile can improve the bearing capacity and the uplift resistance of the precast pile in a mode of increasing the friction force between the pile body and the surrounding soil body by improving the specific surface area due to the concave-convex pile body.

However, the concave-convex structure of the special-shaped pile provides new tests for the mould for manufacturing the special-shaped pile, in order to improve the production efficiency and realize the common production of multiple piles, the special-shaped pile is generally manufactured by adopting the special-shaped pile mould set, the side mould plate and the bottom mould plate in the existing mould set are all fixed modes of an integrated structure, the concave-convex structure is easy to generate prestress concentration after the special-shaped pile is formed, so that the demoulding is difficult, the special-shaped pile can be locally damaged at a high probability after the forced demoulding, the quality of the special-shaped pile is greatly reduced, the special-shaped pile can not meet the required use requirement, and the defective rate is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special-shaped pile die set. The special-shaped pile die set is convenient to demould and high in production efficiency.

In order to achieve the purpose, the utility model provides a special-shaped pile mold group, which comprises a bottom mold plate and a plurality of side mold plates arranged on the bottom mold plate at intervals along the transverse direction, wherein at least one convex molding surface is formed on the base molding surface of the bottom mold plate and the base molding surfaces of the side mold plates at intervals along the respective length direction, a special-shaped pile mold cavity is formed between every two adjacent side mold plates, the mold cavity comprises a coarse mold cavity section and a fine mold cavity section which are alternately arranged along the length direction, at least one side mold plate and the bottom mold plate are detachably connected below the fine mold cavity section through a plurality of groups of fastening components, at least a demolding space is arranged between every two adjacent mold cavities, and/or demolding spaces are arranged on two transverse sides of the special-shaped pile mold group.

The special-shaped pile mould set provided by the utility model is provided with the side mould plate and the bottom mould plate which are detachably connected below the fine mould cavity section through the fastening assembly, and at least one demoulding space is arranged in the continuous mould cavity, and/or the demoulding spaces are arranged at the two transverse sides of the mould set, so that the side mould plate can be transversely moved relative to the width direction of the bottom mould plate to adjust the transverse width of the mould cavity, the smooth demoulding of the special-shaped part of the special-shaped pile is realized, the damage of hard demoulding to the outer wall of the special-shaped pile is avoided, the special-shaped pile mould set not only can realize the convenient demoulding of the outer side mould plate, but also can realize the convenient demoulding of the inner side mould plate, the structure of the special-shaped pile mould set is simple, and compared with a mode of forming holes in the coarse mould cavity section, the wall thickness of the mould (the bottom mould plate) can be greatly reduced, and the material cost and the dead weight of the mould are reduced.

Preferably, the molding surface of the bottom mold plate is arranged at intervals along the width direction of the mold cavity;

the bottom template base molding surface and the side template base molding surface are combined to form a coarse cavity section of the special-shaped pile mold, and the bottom template molding surface and the side template molding surface are combined to form a fine cavity section of the special-shaped pile mold.

Preferably, the bottom template comprises a bottom template base body and a bottom modeling plate arranged on the bottom template base body, a basic molding surface of the bottom template is positioned on the bottom template base body, a modeling surface of the bottom template is positioned on the bottom modeling plate, the bottom modeling plate and the bottom template base body can be of an integrated structure, welded, bonded and fixed or connected by a fastener, and preferably, the modeling surface of the bottom template and the basic molding surface are in inclined transition;

and/or the side template comprises a side template base body and a side molding plate arranged on the side template base body, the basic molding surface of the side template is positioned on the side template base body, the molding surface of the side template is positioned on the side molding plate, the side molding plate and the side template base body can be of an integral structure, welded, bonded and fixed or connected through a fastener, and preferably, the molding surface of the side template is in inclined transition with the basic molding surface.

Preferably, the fastening assembly comprises a screw and a fastening nut, the bottom template and the side template are respectively provided with a through hole or a threaded hole below the fine mold cavity section, and the side template is fixedly connected with the bottom template through the screw and the fastening nut; preferably, the through holes or the threaded holes are formed in the bottom modeling plate and the side modeling plate below the fine mold cavity section.

Preferably, one end of the screw rod is fixed on the side template at one side of the special-shaped pile mold group, the other end of the screw rod extends out of the side template side wall at the other side of the special-shaped pile mold group, and the extending distance is greater than or equal to the thickness of the side modeling plate.

Preferably, the shortest distance between two adjacent die cavities is greater than or equal to the thickness of the side die plate; and/or the two side surfaces of the side templates are provided with side modeling plates.

Preferably, the fastening assembly further comprises an automatic mould opening and closing mechanism, and the automatic mould opening and closing mechanism is arranged on one side, far away from the mould cavity, of the side mould plate.

Preferably, the end plates are arranged at two ends, and at least one group of the following end plates is connected through mortise and tenon joints or fasteners:

the end plate and the bottom template;

the end plates and the sideforms.

Preferably, the bottom template and/or the side template are provided with sealing elements at contact parts;

or the bottom template and/or the side template are/is provided with a positioning piece.

Preferably, the surfaces of the base and/or sideforms facing the mould cavity are coated with a mould release agent or provided with an impermeable layer.

Drawings

Fig. 1 is a schematic structural diagram of a special-shaped pile mold set in an embodiment of the utility model;

fig. 2 is a transverse cross-sectional view of the profiled pile die set at the fastening assembly in the embodiment of the utility model;

fig. 3 is a transverse cross-sectional view of another special-shaped pile mold set at a fastening assembly according to an embodiment of the utility model;

FIG. 4 is a side view of a bottom form in an embodiment of the present invention.

The list of labels in the figure is:

100. a special-shaped pile mould set; 101. a coarse mold cavity section; 102. a fine mold cavity section; 1. a sideform; 11. a side form base body; 12. a side moldboard; 2. a bottom template; 21. a bottom die plate substrate; 22. a bottom mold plate; 3. a fastening assembly; 31. fastening a nut; 32. a screw.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

For convenience, the terms of interest in this embodiment are defined as follows:

herein, the length direction of the special-shaped pile mold group is defined as the longitudinal direction, the width direction of the special-shaped pile mold group is defined as the transverse direction, and the direction perpendicular to the horizontal plane is the up-down direction, wherein the direction close to the ground is the down direction, and the direction far away from the ground is the up direction;

and defining the pile type with the size of the cross section of the pile body changed along the length direction of the pile body as a special-shaped pile.

The definition is inward and outward along the direction close to the axis of the special-shaped pile die set die cavity, and the definition is preferably applied to all parts without other descriptions.

Examples

Referring to fig. 1, in an embodiment, the special-shaped pile mold set 100 provided by the present invention includes a plurality of mold cavities distributed in sequence along the transverse direction, the cross-sectional shape of the mold cavity is substantially U-shaped, and is suitable for manufacturing special-shaped square piles.

As shown in fig. 1-2, the special-shaped pile mold set 100 includes a bottom mold plate 2 and a plurality of side mold plates 1 arranged on the bottom mold plate 2 at intervals in a transverse direction, the base molding surfaces of the bottom mold plate 2 and the side mold plates 1 form at least one convex molding surface at intervals along respective length directions, the molding surfaces respectively arranged on the base molding surfaces of the bottom mold plate 2 and the side mold plates 1 can be in one-to-one correspondence in a circumferential direction, a mold cavity of a special-shaped pile is formed between two adjacent side mold plates 1, the mold cavity includes coarse mold cavity sections 101 and fine mold cavity sections 102 alternately arranged in the length direction, the base molding surface of the bottom mold plate 2 and the base molding surface of the side mold plate 1 are combined to form a coarse mold cavity section 101 of the special-shaped pile mold, and the molding surface of the bottom mold plate 2 and the molding surface of the side mold plate 1 are combined to form a fine mold cavity section 102 of the special-shaped pile mold; the bottom template 2 and at least one side template 1 are detachably connected by a plurality of groups of fastening assemblies 3 below the fine mold cavity section 102, at least one demolding space is arranged between every two adjacent mold cavities, at least one demolding space is arranged in every two adjacent molds, demolding of special-shaped piles formed in the middle mold cavity is facilitated, and/or demolding spaces are arranged on two transverse sides of the special-shaped pile mold group 100, so that the special-shaped piles formed in the mold cavities on two sides of the special-shaped pile mold group are conveniently demolded. Specifically, the fastening assembly 3 is arranged above the basic forming surface of the bottom template 2, the special-shaped pile mould set 100 provided by the utility model is provided with the side template 1 and the bottom template 2 which are detachably connected by the fastening assembly 3 below the fine mould cavity section 102, and the transverse width of the mould cavity can be adjusted by the transverse displacement of the side template 1 relative to the width direction of the bottom template 2, so that the smooth demoulding of the special-shaped part of the special-shaped pile is realized, the damage of hard demoulding to the outer wall of the special-shaped pile is avoided, the special-shaped pile mould set 100 not only can realize the adjustment of the outer side template 1 for convenient demoulding, but also can realize the adjustment of the inner side template 1 for convenient demoulding, and the special-shaped pile mould set 100 is simple in structure. In addition, compared with the mode of opening a hole in the coarse die cavity section 101, namely, the mode of opening a hole in the bottom die plate 2 and installing the fastening assembly 3, the wall thickness of the die (the bottom die plate 2) can be greatly reduced by detachably connecting the fastening assembly 3 below the fine die cavity section 102, and the material cost and the self weight of the die are reduced.

More in detail, the molding surface of the bottom template 2 is arranged at intervals along the width direction of the die cavity, and the side template 1 can be arranged between the molding surfaces of the two adjacent bottom templates 2 along the transverse direction, so that the side template 1 is not required to be installed after the bottom is grooved, and the side template 1 and the bottom template 2 can be connected through the fastening assembly above the bottom template base body 21, and the convenience of die installation is favorably improved.

Specifically, as shown in fig. 2, the base plate 2 includes a base plate base 21 and a base molding plate 22 disposed on the base plate base 21, the base molding plate 22 is disposed on a side of the base plate base 21 facing the mold cavity, a base molding surface of the base plate 2 is disposed on the base plate base 21, a molding surface of the base plate 2 is disposed on the base molding plate 22, and the base molding plate 22 and the base plate base 21 may be integrally structured, welded, adhesively fixed, or connected by a fastener. Preferably, as shown in fig. 4, the molding surface of the bottom mold plate 2 is configured to be in inclined transition with the base molding surface, so as to ensure smooth transition between the bottom of the coarse mold cavity section 101 and the bottom of the fine mold cavity section 102, and facilitate the demolding of the profiled pile.

And/or, the side form 1 includes the side form base body 11 and locates the side mould board 12 of the side form base body 11, and side mould board 12 sets up in the one side of the side form base body 11 towards the die cavity, the basis shaping face of side form 1 is located on the side form base body 11, the shaping face of side form 1 is located on the side mould board 12, side mould board 12 with the side form base body 11 can be an organic whole structure, welding, bonding fixed or be connected by the fastener, preferably, the shaping face and the basis shaping face slope transition of side form 1 guarantee the smooth transition between the lateral part of thick die cavity section 101 and the lateral part of thin die cavity section 102, be favorable to the special-shaped pile drawing of patterns.

With continued reference to FIG. 2, to ensure that no concrete slurry flows out, the vertical bottom surfaces of the side mold plates 12 are placed in contact with the lateral side surfaces of the bottom mold plate 22, or the lateral side surfaces of the side mold plates 12 are placed in contact with the vertical top surface of the bottom mold plate 22, in the clamped position. The bottom molding plate 22 abuts against the side molding plate 12, so that the fine mold cavity section 102 in the mold cavity is completely sealed, and the condition that the special-shaped pile has less material due to outflow of concrete slurry is avoided.

In order to movably connect the side formworks 1 with the bottom formwork 2, the side formworks 1 and the bottom formwork 2 can be fixedly connected by fastening assemblies 3; as shown in fig. 2, the fastening assembly 3 includes a screw 32 and a fastening nut 31, the bottoms of the bottom mold plate 2 and the side mold plate 1 are respectively provided with a through hole or a threaded hole below the fine mold cavity section 102, and the side mold plate 1 is connected and fixed with the bottom mold plate 2 through the screw 32 and the fastening nut 31; preferably, the through holes or the threaded holes are formed in the bottom molding plate 22 and the side molding plate 12 below the fine cavity segment 102, that is, the through holes or the threaded holes are formed in the bottom molding plate 22 and the side molding plate 12 respectively and transversely communicated with each other, so that the fastening assembly 3 can be smoothly installed, and compared with the mode of installing the fastening assembly 3 by forming the holes in the bottom molding plate base body 21, the holes formed in the bottom molding plate 22 can avoid the situation that the bottom molding plate base body 21 adopts a thickened plate material for adapting to the holes, and the arrangement can reduce the thickness of the bottom molding plate base body 21 and reduce the material cost and the self weight. The screw rods 32 sequentially penetrate through the side templates 1 of each mold cavity, the side templates 1 are fixedly connected to one side of the bottom molding plate 22 through the fastening nuts 31, a demolding space is arranged between every two adjacent mold cavities, the shortest distance between every two adjacent mold cavities can be larger than or equal to the thickness of the side templates 1, and the lateral moving space of the side templates 1 is guaranteed.

Alternatively, the screws 32 may sequentially pass through part of the mold cavities, as shown in fig. 3, and two adjacent mold cavities share one set of screws, specifically, at least one end of the screw 32 extends out of the outer wall of the sideform 1 by a distance greater than or equal to the thickness of the sideform 12. In detail, the adjustment can be performed on one side, one end of the screw rod 32 is fixed on the side template 1 on one side, and the other end of the screw rod 32 extends out of the side wall of the side template 1 on the other side; two-side adjustment can also be arranged, two ends of the screw 32 respectively extend out of the side walls of the side mold plate 1, and the extending distance is more than or equal to the thickness of the side mold plate 12. After the special-shaped pile is formed, the fastening nut 31 is loosened, the side template 1 transversely moves along the width direction of the die cavity, and the side template 1 can transversely move on the screw rod 32 all the time, so that repeated positioning and installation of the side template 1 are avoided. When the molding surface of the mold cavity of the side molding plate 12 is positioned outside the molded special-shaped pile, the special-shaped pile can be smoothly demoulded. In order to reduce the floor space of the sideforms 1, side molding plates 12 may be provided on both side surfaces of the sideforms 1 between two adjacent cavities.

With continued reference to fig. 3, a screw 32 may also be used in a single mold cavity, the length of the screw 32 may be changed according to design requirements, and the above arrangement can flexibly adjust the number and distribution of the mold cavities of the mold set, so that the production regulation and control are more flexible.

In order to reduce the labor intensity of workers, the fastening assembly 3 further comprises an automatic die opening and closing mechanism (not shown in the figure), the automatic die opening and closing mechanism is automatically arranged on one side of the side die plate far away from the die cavity, the automatic transverse moving and locking of the side die plate 1 are achieved, and specifically, the automatic die opening and closing mechanism can be an automatic mechanism capable of completing the transverse moving action, such as an oil cylinder, an air cylinder, a worm and gear elevator and the like.

In addition, heterotypic stake mould group 100 is still including the end plate that is located the mould group both ends for the stake terminal surface of shaping heterotypic stake, for easy dismounting and convenient change, following at least a set of tenon fourth of the twelve earthly branches or fastener connection through: the end plates and the bottom die plate 2; the end plate and the sideform 1. The fastener connection can be specifically injection screw, bolt and other connection modes.

In order to ensure the integrity of the mold cavity, a sealing member (not shown) may be further disposed at a contact portion of the bottom mold plate 2 and/or the side mold plate 1, and the sealing member may be a rubber gasket, epoxy resin, nylon plate, a polymer material sealing member, or the like. In addition, in order to reduce the assembly difficulty and improve the assembly precision, positioning elements (not shown in the figures) are arranged on the bottom template 2 and/or the side templates 1, specifically, the positioning elements can be positioning pins and other parts or assemblies with positioning functions, the positioning pins can be pre-installed on the bottom template 2 during installation, and when one side of the side template 1 abuts against the positioning pins, the side templates 1 and the bottom template 2 are connected and fixed through fastening assemblies 3; preferably, two positioning pins can be arranged at two ends of the bottom template 2 in the length direction, and the positioning function of the two positioning pins can further enhance the precision of the die assembly.

Aiming at the embodiment, the surface of the bottom template 2 and/or the side template 1 facing the die cavity can be coated with a release agent or paved with an impermeable layer, and the impermeable layer can be paved with a waterproof film specifically, so that the release of the special-shaped pile after molding is facilitated. It should be noted that, in the above embodiment, the structure of the corresponding mold is described by taking the special-shaped square pile as an example, but the mold in this embodiment is not limited to producing the special-shaped square pile, for example, it may be a special-shaped cylinder, a special-shaped T-shaped pile, a special-shaped octagonal pile, a special-shaped sheet pile, etc., and the coarse mold cavity section 101 and the fine mold cavity section 102 are not limited to being of a constant diameter structure, and the mold cavity may have a frustum shape, a conical shape, etc., for example, the end of the mold cavity is conical, and a conical pile head may be molded.

The special-shaped pile mold set provided by the utility model is described in detail above, and the principle and the implementation of the utility model are explained in the text by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the utility model. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a heterotypic pile die group, includes die block board, a plurality of along transverse interval arrange in side form on the die block board, its characterized in that, the die block board with the basic profile surface of side form forms the molding surface of an at least evagination along respective length direction interval, adjacent two form the die cavity of a dysmorphism stake between the side form, the die cavity includes along length direction alternative arrangement's thick die cavity section and thin die cavity section, at least one the side form with the die block board can be dismantled by a plurality of groups fastening component in the below of thin die cavity section and be connected, and has the drawing of patterns space at least between two adjacent die cavities, and/or the horizontal both sides of heterotypic pile die group have the drawing of patterns space.

2. The profiled pile die set of claim 1, wherein the molding surface of the bottom die plate is arranged at intervals along the width direction of the die cavity;

3. The special-shaped pile mold set according to claim 2, wherein the bottom mold plate comprises a bottom mold plate base body and a bottom mold plate arranged on the bottom mold plate base body, a basic molding surface of the bottom mold plate is positioned on the bottom mold plate base body, a molding surface of the bottom mold plate is positioned on the bottom mold plate, the bottom mold plate and the bottom mold plate base body can be of an integrated structure, welded, fixed in an adhesive manner or connected by a fastener, and the molding surface of the bottom mold plate is in oblique transition with the basic molding surface;

and/or the side template comprises a side template base body and a side molding plate arranged on the side template base body, the basic molding surface of the side template is positioned on the side template base body, the molding surface of the side template is positioned on the side molding plate, the side molding plate and the side template base body can be of an integrated structure, welded, bonded and fixed or connected by a fastener, and the molding surface of the side template is in inclined transition with the basic molding surface.

4. The profiled pile die set of claim 3,

the fastening assembly comprises a screw and a fastening nut, the bottom template and the side template are respectively provided with a through hole or a threaded hole below the fine mold cavity section, and the side template is fixedly connected with the bottom template through the screw and the fastening nut;

the through holes or threaded holes are formed below the fine die cavity sections of the bottom molding plate and the side molding plates.

5. The special-shaped pile die set according to claim 4, wherein one end of the screw rod is fixed on the side template at one side of the special-shaped pile die set, and the other end of the screw rod extends out of the side template side wall at the other side of the special-shaped pile die set by a distance greater than or equal to the thickness of the side molding plate.

6. The profiled pile die set of claim 1, wherein the shortest distance between two adjacent die cavities is greater than or equal to the thickness of the side die plate; and/or the two side surfaces of the side templates are provided with side modeling plates.

7. The profile pile die set according to claim 1, wherein the fastening assembly further comprises an automatic opening and closing mechanism, and the automatic opening and closing mechanism is arranged on one side of the side die plate away from the die cavity.

8. The profiled pile die set of claim 1,

the connecting structure also comprises end plates positioned at two ends, and at least one group of the following end plates are connected through mortise-tenon joints or fasteners:

the end plate and the bottom template;

the end plates and the sideforms.

9. The profiled pile die set of claim 1,

the bottom template and/or the side template are/is provided with a sealing element at the contact part;

10. The profiled pile die set of claim 1, characterized in that the surfaces of the bottom and/or side forms facing the die cavity are coated with a release agent or laid with an impermeable layer.