CN115816612A

CN115816612A - Size-adjustable automatic-shrinkage precast concrete mold

Info

Publication number: CN115816612A
Application number: CN202211594220.2A
Authority: CN
Inventors: 马相健; 王苹丽; 马成志
Original assignee: Shandong Rongda New Building Materials Technology Co ltd
Current assignee: Shandong Rongda New Building Materials Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-21

Abstract

The invention discloses a size-adjustable automatic-shrinkage precast concrete mould, which relates to the field of concrete moulds and comprises an adjustable base, wherein the adjustable base is arranged in a rectangular shape, demoulding shrinkage mechanisms are arranged above four corners of the adjustable base, and an adjustable splicing template is arranged between every two demoulding shrinkage mechanisms; an adjustable top cover is arranged above the adjustable splicing template and the demoulding contraction mechanism; one of the adjustable splicing templates is fixedly connected with a supporting leg groove prefabricating mold, when the adjustable base is fixed, the main shafts of the demolding contraction mechanisms at the four corners are rotated to enable the whole demolding contraction mechanism and the adjustable splicing template to be completely opened, concrete begins to be poured, after the concrete is poured to meet the solidification requirement, the main shafts of the demolding contraction mechanisms at the four corners are rotated, and the demolding contraction mechanisms at the four corners and the adjustable splicing template are inwards contracted. And the concrete wall is separated from the concrete wall to realize demoulding.

Description

Size-adjustable automatic-shrinkage precast concrete mold

Technical Field

The invention relates to the field of concrete molds, in particular to a size-adjustable and automatic-shrinkage precast concrete mold.

Background

Concrete is a general term for engineering composite materials formed by cementing aggregate into a whole by using a cementing material, and is a material commonly used in buildings; the commercial concrete is produced in a factory, advanced production equipment is used for the commercial concrete, the metering is accurate, the stirring is uniform, and the quality is high.

Chinese patent publication No. CN213732387U discloses a concrete mold, including concrete mold and lifter plate, the inside hollow region of concrete mold runs through concrete mold's top wall, rotatory hole has been seted up on the left of concrete mold's the outside wall, rotatory hole runs through concrete mold's inside left side wall and extends to concrete mold's inside, the spacing groove has been seted up to concrete mold's outside rear wall, the spacing groove runs through concrete mold's inside rear wall and extends to concrete mold's inside.

However, the concrete mold is used for pouring inner hole type buildings in concrete construction, such as: septic tanks, pipe wells, piers with inner holes, elevator shafts and the like. The inner hole of the building needs to be completely disassembled and connected for demoulding. The construction is complicated, and the shape is difficult to ensure the precise size and shape during the molding. Each set of die can only be suitable for the casting body of one size for can integrative synovial membrane mechanism. Therefore, the size-adjustable automatic-shrinkage precast concrete mould is provided.

Disclosure of Invention

In view of the above disadvantages, the present invention provides a precast concrete mold that is adjustable in size and automatically shrinks.

The technical scheme adopted by the invention for solving the technical problems is as follows: a size-adjustable automatic-shrinkage precast concrete mold comprises an adjustable base, wherein the adjustable base is rectangular, demolding shrinkage mechanisms are arranged above four corners of the adjustable base, and an adjustable splicing template is arranged between every two demolding shrinkage mechanisms; an adjustable top cover is arranged above the adjustable splicing template and the demoulding contraction mechanism; one of the adjustable splicing templates is fixedly connected with a supporting leg groove prefabricating mould.

Preferably, the adjustable base consists of a base main beam and a support leg mechanism, wherein the adjustable base consists of four corner assemblies, each of the four corner assemblies comprises an inner pipe and an outer pipe, the size of the inner pipe is smaller than that of the outer pipe, and the inner pipe and the outer pipe are in sliding connection; and the inner pipe and the outer pipe are provided with round holes which are convenient for the roller brush and the through connection.

Preferably, the supporting leg mechanism comprises a supporting groove formed in the outer tube, the outer tube provided with the supporting groove is also provided with a supporting leg in a matching manner, and the supporting leg is connected with the outer tube through a rotating shaft; the supporting legs are also connected with adjusting bolts (114).

As optimization, the adjustable splicing template comprises a fixed template frame and an adjustable template frame, the fixed template frame and the adjustable template frame are mutually sleeved and fixed, and a plurality of splicing beams are welded in the fixed template frame and the adjustable template frame; the spliced beam is provided with a fixed screw rod; and templates are arranged on the outer sides of the fixed template frame, the adjustable template frame and the spliced beam.

Preferably, the demolding and shrinking mechanism comprises a substrate which is arranged in a triangular shape, fixed guide rails are fixedly arranged at two ends of one side of the substrate, and two sliding blocks are connected in each fixed guide rail in a sliding manner; the sliding block is fixedly provided with movable plates, and the two movable plates are symmetrically arranged.

Preferably, a bottom shell is welded in the middle of two ends of the substrate, a main shaft is installed in the bottom shell through a bearing, the top of the bottom shell is connected with a shell top through a screw, two ends of the main shaft are provided with main shaft bevel gears in a matched mode, and the main shaft bevel gears are connected with bolt bevel gears in a meshed mode; the bolt helical gear is arranged on the bidirectional bolt in a matching way;

two ends of the bidirectional bolt are rotatably connected with the bottom shell through bearings, and two ends of the bidirectional bolt are respectively in threaded connection with the nut block and the reverse-thread nut block; the nut block and the anti-thread nut block are respectively fixed on the inner sides of the two movable plates.

Preferably, a driving motor is fixedly mounted on the outer side of the base plate, driving wheels are mounted on an output shaft of the driving motor and the spindle, and a transmission belt is mounted on the two driving wheels in a matched manner.

As optimization, the prefabricated mould of landing leg groove include fixed block, mould core and fixed pin, wherein the mould core sets up in one side of fixed screw rod, this mould core passes through hinge and fixed block swing joint

The invention has the beneficial effects that: the invention provides a size-adjustable automatic-shrinkage precast concrete mould which comprises an adjustable substrate, an adjustable splicing template, four-corner demoulding and shrinking mechanisms, an adjustable top cover and a supporting leg groove precast mould, wherein the adjustable substrate is provided with a plurality of supporting legs, and the supporting legs are arranged in the supporting legs and are provided with a plurality of supporting legs which are arranged in the supporting legs and are matched with the supporting legs and are arranged in the supporting legs: the adjustable base, the adjustable splicing template and the adjustable top cover can be adjusted according to the required size to meet the pouring requirements of different wells. The demolding contraction mechanism contracts to drive the adjustable splicing template during demolding, and the adjustable splicing template drives the demolding contraction mechanism to integrally move towards the well, so that the separation of the mold and the concrete is realized. The leg slot prefabricating mould is used for forming the prefabricated leg slot.

When the adjustable base is built, the size of the needed shaft, pool or hole is adjusted according to the needed pouring size, and the size of the adjustable base, the adjustable splicing template and the adjustable top cover is adjusted to reach the needed size for fixing.

After the installation size of the whole device is built, the device can be fixed and lifted layer by hoisting the real device.

When the adjustable base is fixed, the main shafts of the demoulding and shrinking mechanisms at the four corners are rotated to completely open the whole demoulding and shrinking mechanism and the adjustable splicing template, so that the required size is reached and the adjustable splicing template is fastened. And (3) beginning to pour concrete, and after the concrete is poured to meet the solidification requirement, rotating the main shafts of the demoulding and shrinking mechanisms at the four corners, so that the demoulding and shrinking mechanisms at the four corners and the adjustable splicing template are shrunk inwards. And the concrete wall is separated from the concrete wall to realize demoulding. And lifting the whole mechanism to realize the disengagement from the inside of the pre-support.

The demoulding contraction mechanism at four corners adopts 45-degree bevel gears to realize higher transmission precision and better synchronism. The demoulding and shrinking mechanisms at the four corners can also be driven by a synchronous motor to realize the automatic shrinking and opening of the well mould, and the structure is simple and reasonable in design;

drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view in full section of the present invention;

FIG. 3 is a schematic view of an adjustable base structure according to the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 3 of the present invention;

FIG. 5 is a partial cross-sectional view of an adjustable splice template of the present invention;

FIG. 6 is a schematic structural view of a mold release and retraction mechanism of the present invention;

FIG. 7 is a schematic cross-sectional view of FIG. 6 in accordance with the present invention;

FIG. 8 is a schematic view of an adjustable top cover according to the present invention;

fig. 9 is a schematic structural view of the leg groove prefabricating mold of the present invention.

The device comprises a base 1, an adjustable base 2, an adjustable splicing template 3, a demoulding and shrinking mechanism 4, an adjustable top cover and a supporting leg groove prefabricating mould;

10. the device comprises a base girder 11, a supporting leg mechanism 111, a supporting groove 112, supporting legs 113, a rotating shaft 114 and an adjusting bolt;

201. fixing a template frame 202, adjusting the template frame 203, splicing beams 204, fixing screw rods 205 and templates;

301. the driving mechanism comprises a base plate, 302, a movable plate, 303, a spindle, 304, a spindle bevel gear, 305, a bidirectional bolt, 306, a bolt bevel gear, 307, a nut block, 308, a reverse nut block, 309, a driving rod, 310, a bottom shell, 311, a shell top, 312, a driving motor, 321, a fixed guide rail, 322 and a sliding block;

51. fixed block, 52, mould core, 53, fixed pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The size-adjustable automatic-shrinkage precast concrete mould shown in fig. 1-9 comprises an adjustable substrate 1, wherein the adjustable substrate 1 is rectangular, demolding shrinkage mechanisms 3 are arranged above four corners of the adjustable substrate 1, and an adjustable splicing template 2 is arranged between every two demolding shrinkage mechanisms 3; an adjustable top cover 4 is arranged above the adjustable splicing template 2 and the demoulding contraction mechanism 3; one of the adjustable splicing templates 2 is also fixedly connected with a supporting leg groove prefabricating mould 5.

In the embodiment, the device integrally comprises an adjustable substrate 1, adjustable splicing templates 2 on four surfaces, demoulding and shrinking mechanisms 3 at four corners, an adjustable top cover 4 and a supporting leg groove prefabricating mold 5; the adjustable splicing templates 2 at four surfaces are connected with the demoulding contraction mechanisms 3 at four corners through connecting holes by bolts; forming a cubic barreled structure. The adjustable top cover 4 is placed on a cubic barreled structure formed by the adjustable splicing template 2 and the demoulding and shrinking mechanism 3, and the leg slot prefabricating mould 5 is fixed on the adjustable splicing template 2 to form the whole mechanism; the adjustable base 1 consists of a base main beam 10 and a leg mechanism 11, wherein the base main beam 10 consists of four corner components,

Four angle subassemblies pass through mutually supporting of outer tube and inner tube, and the appearance of inner tube slightly is less than the size of outer tube hole, can realize sliding in the outer tube and can realize that two directions sizes of adjustable basement 1 of size are adjustable through mutually supporting of outer tube and inner tube, and four angle subassemblies are fixed one section distance processing round hole on the pipe to the butt joint. Different size requirements may be bolted through different holes.

In this embodiment, the leg mechanism 11 comprises a support groove 111, a leg 112, a rotating shaft 113, and an adjusting bolt 114. When the integral mechanism is lifted, the supporting legs 112 contact the upper surface of the prefabricated cavity groove to rotate along the rotating shaft 113 when rising, and are avoided from the cavity and separated from the cavity.

When the whole mechanism reaches a fixed height, the support legs 112 rotate along the rotating shafts 113 under the action of gravity when the support legs 112 contact the next prefabricated cavity groove, and the support legs 112 penetrate into the reserved groove of the wall body. The whole mechanism slightly descends the supporting legs 112 to contact with the lower plane of the groove reserved in the wall body, so that the whole mechanism is supported, the adjusting bolts 103 are saved, and fine adjustment of the height is realized.

The supporting groove 111 is welded with the integral main beam telescopic mechanism 10 into a whole. After the building is finished, antiskid plates such as templates and the like can be laid on the size-adjustable substrate.

In this embodiment, the adjustable splicing template 2 is composed of a fixed template frame 201 and an adjustable template frame 202, a splicing beam 203, a fixed screw 204, and a template 205, and different holes are selected for the fixed template frame 201 and the adjustable template frame 202 to be fixed by bolts according to the size to be set up.

Filling a gap between the fixed template frame 201 and the adjusting template frame 202 by adopting a splicing beam 203; the square pipes at the two ends of the splicing beam 203 can be interactively assembled on the adjustable template frame 202.

Finally, a fixing screw 204 with the required length is threaded according to the overall required overall dimension, the template frame 201 and the adjusting template frame 202 are fixed on the main body frame, and the upper template 205 is fixed on the outer portion after the splicing of the splicing frame 203 is completed, so that the whole adjustable splicing template 2 is formed.

The two ends of the telescopic connecting beam of the telescopic splicing template mechanism 2 are fixed with the demoulding contraction mechanism 3 through bolts.

The demoulding and shrinking mechanism 3 has the function that the whole device is built to support the template and drive the template to be separated from the cement prefabrication to realize demoulding when pouring and demoulding are completed.

The demoulding and shrinking mechanism 3 is composed of a base plate 301, a movable plate 302, a main shaft 303, a main shaft bevel gear 304, a bidirectional bolt 305, a bolt bevel gear 306, a nut block 307, a reverse screw nut block 308, a transmission rod 309, a bottom shell 310, a shell top 311, a driving motor 312, a fixed guide rail 321 and a slide block 322. The fixed rail 321 is fixed on the base plate 301 by welding; the slider 322 can slide freely in the fixed guide rail 321; the slider 322 is connected to the movable plate 302 by a bolt; whereby the movable plates 302 on both sides can slide on the base plate 301.

The bottom shell 310 is fixedly welded in the middle of the base plate 301, the spindle 303, the spindle bevel gear 304, the bidirectional bolt 305 and the bolt bevel gear 306 are installed in the bottom shell 310, the spindle bevel gear 304 is fixed on the spindle 303, the bolt bevel gear 306 is fixed on the bidirectional bolt 305, the spindle bevel gear 304 and the bolt bevel gear 306 are meshed with each other, rotation of the spindle 303 is driven to rotate towards the bolt 305, and forward threads and reverse threads are respectively machined at two ends of the bidirectional bolt 305.

Two sides of the bidirectional bolt 305 are respectively provided with a nut block 307 and a reverse nut block 308 which are matched with the bidirectional bolt; the main shaft 303 is rotated to drive the bidirectional bolt 305, so that the nut block 307 is driven, and the anti-thread nut block 308 is simultaneously closed or separated.

The nut block 307 and the anti-screw nut block 308 are respectively fixed on the movable plates 302 at both sides, and the nut block 307 and the anti-screw nut block 308 simultaneously approach or separate the two movable plates 302 at both sides of the belt base plate 301 to slide outwards and inwards along the fixed guide rail 321. And the upper main shaft 303 and the lower main shaft 303 are connected by a transmission rod 309 to realize transmission.

The driving can be driven by rotating the main shaft manually, and can also be driven by a driving motor 312. And the automatic control of demoulding shrinkage is realized.

The movable plates 302 of the demoulding contraction mechanisms 3 at the four corners slide outwards to realize the opening of the adjustable splicing templates 2 at the four surfaces and the demoulding contraction mechanisms 3 at the four corners; the adjustable splicing templates 2 with four surfaces and the demoulding contraction mechanisms 3 with four corners are inwards contracted by inwards sliding, so that the separation from a concrete pouring body is realized.

The telescopic top cover mechanism 4 is designed to be divided into four parts. The four parts can realize the extension and retraction in two directions through the mutual matching of the large inner pipe. Different bolt holes can be adopted according to different size requirements for connection and fixation through bolts. And covering the upper template on the telescopic top cover after butt joint is completed, and the like. The whole device is protected.

The supporting leg groove prefabricating mould 5 is integrally fixed on two adjacent mould frames of the adjustable splicing mould plate 2.

The leg groove prefabricating mould 5 is composed of a fixed block 51, a mould core 52 and a fixed pin 53. The mold core 52 is connected to the fixing block 51 by a hinge, and the mold core 52 is rotated outward and fixed by a fixing pin 53 before concrete molding. The concrete pouring is completed, and the demoulding is realized by pulling the fixed pins 53 open and pushing the mould core 52 out

The working principle is as follows: according to the size-adjustable automatic-shrinkage precast concrete mould provided by the invention, the size of a well, a pool or a hole to be poured is adjusted according to the needs during building, and the size-adjustable substrate, the size-adjustable splicing template and the size-adjustable top cover are adjusted to reach the needed sizes for fixing.

The demoulding contraction mechanism at four corners adopts 45-degree bevel gears to realize higher transmission precision and better synchronism. The demoulding and shrinking mechanisms at the four corners can also adopt synchronous motor drive to realize automatic shrinkage and opening of the well mould, and the structure is simple and reasonable in design.

The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a precast concrete mould of adjustable automatic shrink of size which characterized in that: the mold comprises an adjustable substrate (1), wherein the adjustable substrate (1) is arranged in a rectangular shape, demolding contraction mechanisms (3) are arranged above four corners of the adjustable substrate (1), and an adjustable splicing template (2) is arranged between every two demolding contraction mechanisms (3); an adjustable top cover (4) is arranged above the adjustable splicing template (2) and the demoulding contraction mechanism (3) together; one of the adjustable splicing templates (2) is also fixedly connected with a supporting leg groove prefabricating mould (5).

2. The size-adjustable self-retracting precast concrete mold of claim 1, wherein: the adjustable substrate (1) consists of a substrate main beam (10) and a supporting leg mechanism (11), wherein the adjustable substrate (1) consists of four corner assemblies, each of the four corner assemblies comprises an inner tube and an outer tube, the size of the inner tube is smaller than that of the outer tube, and the inner tube is in sliding connection with the outer tube; and the inner pipe and the outer pipe are provided with round holes which are convenient for the roller brush and the through connection.

3. The size-adjustable self-retracting precast concrete mold of claim 2, wherein: the supporting leg mechanism (11) comprises a supporting groove (111) formed in the outer pipe, a supporting leg (112) is further installed on the outer pipe provided with the supporting groove (111) in a matched mode, and the supporting leg (112) is connected with the outer pipe through a rotating shaft (113); the supporting legs (112) are also connected with adjusting bolts (114).

4. The size-adjustable self-retracting precast concrete mold of claim 1, wherein: the adjustable splicing template (2) comprises a fixed template frame (201) and an adjustable template frame (202), the fixed template frame (201) and the adjustable template frame (202) are mutually sleeved and fixed, and a plurality of splicing beams (203) are welded in the fixed template frame (201) and the adjustable template frame (202); the splicing beam (203) is provided with a fixed screw rod (204); and templates (205) are arranged on the outer sides of the fixed template frame (201), the adjustable template frame (202) and the splicing beams (203).

5. The size-adjustable self-retracting precast concrete mold of claim 1, wherein: the demolding contraction mechanism (3) comprises a base plate (301), the base plate (301) is arranged in a triangular shape, fixed guide rails (321) are fixedly installed at two ends of one side of the base plate (301), and two sliding blocks (322) are connected in each fixed guide rail (321) in a sliding mode; the sliding block (322) is fixedly provided with a movable plate (302), and the two movable plates (302) are symmetrically arranged.

6. The size-adjustable self-retracting precast concrete mold of claim 5, wherein: the middle positions of two ends of the base plate (301) are welded with a bottom shell (310), a main shaft (303) is installed in the bottom shell (310) through a bearing, the top of the bottom shell (310) is connected with a shell top (311) through a screw, two ends of the main shaft (303) are provided with main shaft bevel gears (304) in a matched mode, and the main shaft bevel gears (304) are connected with bolt bevel gears (306) in a meshed mode; the bolt helical gear (306) is installed on the bidirectional bolt (305) in a matching way;

two ends of the bidirectional bolt (305) are rotatably connected with the bottom shell (310) through bearings, and two ends of the bidirectional bolt (305) are respectively in threaded connection with the nut block (307) and the reverse nut block (308); the nut block (307) and the anti-screw nut block (308) are respectively fixed on the inner sides of the two movable plates (302).

7. The size-adjustable self-retracting precast concrete mold of claim 6, wherein: the outer side of the base plate (301) is also fixedly provided with a driving motor (312), the output shaft of the driving motor (312) and the main shaft (303) are provided with driving wheels, and the two driving wheels are provided with a driving belt in a matching way.

8. The size-adjustable self-retracting precast concrete mold of claim 6, wherein: the leg slot prefabrication die (5) comprises a fixing block (51), a die core (52) and a fixing pin (53), wherein the die core (52) is arranged on one side of a fixing screw rod (204), and the die core (52) is movably connected with the fixing block (51) through a hinge.