CN221416942U - Assembled concrete precast block forming die convenient to drawing of patterns - Google Patents

Abstract

The utility model belongs to the technical field of building molds, and particularly discloses an assembled concrete precast block forming mold convenient for demolding, wherein side molds are square steel and symmetrically arranged on a bottom mold, a plurality of groups of screw holes I or through holes I and II or through holes II are formed in the outer side surfaces of the side molds and the bottom mold along the length direction, a supporting plate is L-shaped angle iron, the outer side surfaces of the side molds are respectively attached to the upper surfaces of the bottom mold and the bottom mold, the supporting plate is correspondingly fixed with the bottom mold and the side molds through screws or bolts, clamping grooves which vertically penetrate through are symmetrically formed in the inner side surfaces of the two side molds along the length direction at intervals, and two ends of a partition plate are respectively and slidably clamped in the clamping grooves of the two side molds. The utility model forms a detachable structure through the bottom die, the side die and the partition plate, namely, the turnover, the disassembly and the demolding are convenient, and the square steel is adopted as the side die, so that the rigidity of the die can be obviously improved, the die structure is simplified, the phenomena of die running and die expanding in the pouring process can be avoided, and the utility model has the characteristics of simple structure, convenient disassembly and assembly, repeated use, convenient demolding and high strength.

Description

Assembled concrete precast block forming die convenient to drawing of patterns

Technical Field

The utility model belongs to the technical field of building molds, and particularly relates to an assembled concrete precast block forming mold which is simple in structure, convenient to assemble and disassemble, reusable, high in strength and convenient to demold.

Background

The precast concrete block is a concrete part of a building or a structure which is prefabricated in a factory or a construction site and then assembled for construction, thereby saving labor force, overcoming seasonal influence and improving construction quality. If the building materials such as aerated blocks and hollow bricks are usually used for non-bearing masonry walls, a concrete precast block needs to be reserved at the edge of a door and window opening, if the manufacturing and forming quality of the concrete precast block is poor, the size of the concrete precast block is not matched with that of the bricks for masonry, the masonry quality of the edge of the door and window is often not up to the standard, the perpendicularity and flatness of the surface after forming cannot meet the requirements, mortar joints are uneven, the wall body on the edge of the door and window opening is seriously uneven, the plastering quality of the wall body at the later stage is influenced, and once reworking is carried out, economic loss and construction period delay are caused.

At present, in order to improve the quality of concrete precast blocks, precast block pouring is generally performed by adopting standardized molds in factories. However, if the amount of the reserved concrete precast blocks at the door and window opening edges of the non-bearing masonry wall is small, if the precast blocks are prefabricated in a factory and then are transported to a construction site independently, the transportation cost is increased, so that the precast blocks are prefabricated on the construction site generally. The on-site processing mould of the concrete precast block is as follows: the manufacturing mould is processed by adopting a wood template, the mould consists of a baffle plate, a clamp and a split bolt, a groove is formed in the baffle plate or a connecting hole is formed in the baffle plate according to the size of a precast block, the baffle plate is clamped in the groove or the connecting hole of the baffle plate during installation, and the split bolt is used for reinforcing after the assembly. The foregoing mold can meet the basic production requirement of the prefabricated block when in use, but has some defects and shortcomings in practical use: 1. the mounting and dismounting processes of the die are complicated, so that the prefabrication efficiency is low, and after the die is used for a period of time, the die is easy to crack, and the die is required to be processed and prepared again, so that the die is inconvenient to use; 2. the wooden mould is easy to deform after being used for many times due to the poor strength, so that the phenomena of mould running and mould expanding are easy to occur in the concrete pouring process, and finally the accuracy of the external corner square degree of the concrete precast block is difficult to ensure; 3. the wood template is easy to damage in the process of installation and disassembly, so that the turnover frequency is low, and the use cost is increased; 4. the wood form is easy to absorb water, expand and deform and adhere to concrete, so that the size deviation of the precast block is large, and the later-stage demolding is difficult.

In the prior art, in order to solve the defect of wooden prefabricated slab, there is the scene preparation prefabricated block through adopting the specialized steel form of batch production, though intensity is high and not fragile and easy drawing of patterns, but because steel form structure is complicated and weight is heavier, leads to the cost higher and is inconvenient for transporting. The pouring mold is formed by adopting two mutually parallel long strips as side molds, arranging clamping grooves on the inner sides of the side molds, installing partitions in the clamping grooves on the two sides, and then arranging two baffle plates at the two ends and above the two baffle plates to tightly tighten the two baffle plates inwards step by step; although light in weight, easy dismouting and be convenient for transport, but because two baffles are only inwards taut, and cut off outwards form the support, length direction relies on the draw-in groove to cut off limited contact surface to limit, and still has the clearance between draw-in groove and the cut off, consequently make the mould take place to rotate and form parallelogram or even empty easily under the exogenic action to influence final prefabricated section shape precision, and the lath still easily appears "running mould", "rising mould" phenomenon in concrete placement process because bending strength is lower. In addition, according to the problems of insufficient strength and unreliable connection of the long strip plates as the side dies, angle steel is arranged on the outer sides of the side dies to serve as reinforcing ribs so as to reinforce the side dies, bottom dies are clamped and arranged at the bottoms of the two side dies and fixed up and down by split bolts, end plates are arranged at the two ends of the two side dies and are connected and fixed through bolts, so that the dies form reliable connection; however, as a circle of angle steel is required to be fixedly arranged on the outer side of the side die, the processing cost of the side die is high; the die can be removed only by removing the bolts on the end plates and the split bolts on the side dies, so that the die is excessively complicated to disassemble and assemble, and the prefabricated block is low in machining efficiency; and because the angle steel protruding from the end surface is used as a connecting piece of the pull bolt from top to bottom of the side die, the casting height of the side die is limited, and different side dies need to be replaced when a higher precast block is needed, so that the side die is not flexible to be applied, and the die cost is increased.

Disclosure of utility model

According to the defects of the prior art, the utility model provides the assembled concrete precast block forming die which has the advantages of simple structure, convenient disassembly and assembly, reusability and high strength and is convenient to demould.

The utility model is realized in the following way: including die block, side form, baffle, backup pad, the side form is square steel and symmetry sets up in the upper surface of die block, the lateral surface of side form is provided with multiunit screw I or through-hole I along length direction interval, the die block is dull and stereotyped and is provided with multiunit screw II or through-hole II along the lateral surface of side form, the backup pad is L type angle bar and two lateral surfaces laminating lateral surface and the upper surface of die block respectively, the backup pad corresponds with die block, side form fixed connection through screw or bolt that passes screw I or through-hole I and screw II or through-hole II, the medial surface of two side forms is provided with the draw-in groove about longitudinal along length direction interval symmetry on the die block, the both ends of baffle slidable block respectively in the draw-in groove of both sides mould.

Further, the side forms of each side on the die block are formed by stacking at least two square steels, the outer side faces of the upper adjacent square steels and the lower adjacent square steels of the side forms are respectively connected with corresponding supporting plates through screws or bolts, the supporting plates are fixedly connected through the screws or bolts, and the outer side face of the bottommost square steel of the side form is correspondingly connected with the die block through the screws or bolts.

Further, a plugging layer is attached between the upper adjacent square steel and the lower adjacent square steel of the side die.

Furthermore, the partition plate is a square flat plate, the width of the partition plate is not smaller than the height of the side dies, and the length of the partition plate is larger than the distance between the inner side surfaces of the two side dies on the bottom die.

Further, the clearance of the partition board in the clamping groove is 0.3-1.0 mm, and the depth of the clamping groove is 1.5-3 times of the thickness of the partition board.

Furthermore, the outer surface of the partition plate clamped at the two ends of the two side dies on the bottom die is fixedly provided with crossed or transverse reinforcing ribs, and the maximum transverse distance between the two sides of the reinforcing ribs is smaller than the distance between the inner side surfaces of the two side dies.

Further, a plurality of reinforcing rods or reinforcing blocks perpendicular to the side dies are arranged on the lower surface of the bottom die at intervals along the length direction of the side dies.

Further, the reinforcing rod is square steel or L-shaped angle iron, and the reinforcing block is a long slat or a long strip block.

Further, at least two step tightens are arranged at the upper ends of the two side dies on the bottom die at intervals along the length direction, and the hook-shaped clamping rods and the movable clamping heads of the step tightens are respectively clamped on the outer side surfaces of the two side dies.

Further, a plurality of clamping holes are formed in the upper end face of the side die at intervals along the length direction, a [ -shaped pull rod is arranged at the upper end of the two side dies on the bottom die, and two ends of the pull rod are respectively clamped in the clamping holes of the two side dies.

The utility model has the beneficial effects that:

1. The bottom die and the side die form a stable and reliable connecting structure through the supporting plate by using the bolts or the screws, and then the clamping grooves are formed in the inner side surface of the side die to enable the partition plate to be inserted and pulled into the side die, so that a convenient detachable structure is formed, the disassembly and the transportation are convenient, the turnover and the repeated use are realized, the construction cost is saved, and the detachable structure is also convenient for the later demoulding of the precast block.

2. The utility model adopts square steel as the side mould, which not only can obviously improve the rigidity and strength of the side mould, thereby avoiding the phenomena of 'running mould' and 'mould expanding' and deformation in the pouring process, effectively improving the size and shape precision of the precast block, ensuring that the precast block has better molding effect and impression quality, and improving the on-site placement construction quality; compared with the reinforcing rib structure, the square steel structure does not need post-processing, so that the cost is lower; and the structure with high strength is not easy to damage, can be used for a long time without circulating preparation, and saves the processing materials and labor cost of the die.

3. The utility model has no protruding structure on the upper and lower surfaces of the square steel as the side mold, and the upper and lower surfaces are flat, so the side mold height can be flexibly changed to adapt to the precast block height by stacking the square steel and connecting the detachable structures of the mutually corresponding support plates by bolts or screws according to the precast block height, thereby the mold cost is effectively reduced without changing different side molds.

In conclusion, the utility model has the characteristics of simple structure, convenient disassembly and assembly, reusability, convenient demolding and high strength.

Drawings

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

FIG. 2 is a schematic diagram of a side mold stack according to the present utility model;

FIG. 3 is a second perspective view of the present utility model;

In the figure: the device comprises a bottom die, a 2-side die, a 3-partition plate, a 4-support plate, 5-bolts, 6-clamping grooves, 7-plugging layers, 8-reinforcing ribs, 9-reinforcing rods and 10-pull rods.

Detailed Description

The utility model is further illustrated in the following figures and examples, which are not intended to be limiting in any way, and any alterations or modifications based on the teachings of the utility model are within the scope of the utility model.

As shown in fig. 1,2 and 3, the utility model comprises a bottom die 1, a side die 2, a partition plate 3 and a supporting plate 4, wherein the side die 2 is square steel and is symmetrically arranged on the upper surface of the bottom die 1, a plurality of groups of screw holes I or through holes I are formed on the outer side surface of the side die 2 along the length direction at intervals, the bottom die 1 is flat plate and a plurality of groups of screw holes II or through holes II are correspondingly formed along the outer side surface of the side die 2, the supporting plate 4 is L-shaped angle iron, the two outer side surfaces are respectively attached to the outer side surface of the side die 2 and the upper surface of the bottom die 1, the supporting plate 4 is correspondingly and fixedly connected with the bottom die 1 and the side die 2 through screws or bolts 5 penetrating through the screw holes I or through holes II, clamping grooves 6 longitudinally penetrating the upper side surface of the side die 2 and the lower side surface of the bottom die 1 are symmetrically arranged along the length direction at intervals, and two ends of the partition plate 3 are respectively and slidably clamped in the clamping grooves 6 of the two side dies 2.

As shown in fig. 2, the side mold 2 on each side of the bottom mold 1 is formed by stacking at least two square steels, the outer side surfaces of the upper and lower adjacent square steels of the side mold 2 are respectively connected with corresponding support plates 4 through screws or bolts 5, the support plates 4 are fixedly connected through screws or bolts 5, and the outer side surface of the bottommost square steel of the side mold 2 is fixedly connected with the bottom mold 1 through the corresponding screw or bolt 5 and the support plates 4.

And a plugging layer 7 is arranged between the upper and lower adjacent square steel of the side die 2 in a fitting way.

The plugging layer 7 is felt or non-woven fabric.

The partition plate 3 is a square flat plate, the width of the partition plate is not smaller than the height of the side die 2, and the length of the partition plate is larger than the distance between the inner side surfaces of the two side dies 2 on the bottom die 1.

The clearance of the partition plate 3 in the clamping groove 6 is 0.3-1.0 mm, and the depth of the clamping groove 6 is 1.5-3 times of the thickness of the partition plate 3.

As shown in fig. 3, the outer surfaces of the partition plates 3 engaged with the two ends of the two side dies 2 on the bottom die 1 are fixedly provided with crossed or transverse reinforcing ribs 8, and the maximum transverse spacing between the two sides of the reinforcing ribs 8 is smaller than the inner side surface spacing of the two side dies 2.

The lower surface of the bottom die 1 is provided with a plurality of reinforcing rods 9 or reinforcing blocks which are perpendicular to the side die 2 at intervals along the length direction of the side die 2.

The reinforcing rod 9 is square steel or L-shaped angle iron, and the reinforcing block is a long strip plate or a long strip block.

The upper ends of the two side dies 2 on the bottom die 1 are provided with at least two step tightens at intervals along the length direction, and the hook-shaped clamping rods and the movable clamping heads of the step tightens are respectively clamped on the outer side surfaces of the two side dies 2.

The upper end face of the side die 2 is provided with a plurality of clamping holes at intervals along the length direction, the upper ends of the two side dies 2 on the bottom die 1 are provided with [ -shaped pull rods 10, and two ends of each pull rod 10 are respectively clamped in the clamping holes of the two side dies 2.

The inner wall of the die cavity formed by the bottom die 1, the side die 2 and the partition plate 3 is coated with a release agent or is attached with plastic cloth. The release agent and the plastic cloth on the inner wall of the die cavity can facilitate the later-stage demoulding.

The outer wall of the die cavity formed by the bottom die 1, the side die 2 and the partition plate 3 is painted with paint. The paint is attractive and fashionable, shows the image of the construction site, and can effectively protect the internal steel structure.

The working principle and the working process of the utility model are as follows:

As shown in fig. 1, a steel plate with the thickness of 4mm is used as a bottom die 1, a square steel section or a square pipe aluminum section with the thickness of 50 multiplied by 100 multiplied by 4mm is used as a side die 2, a steel plate with the thickness of 2mm is used as a partition plate 3, and a clamping groove 6 with the width of 3mm is formed at intervals (such as every 200 mm) along the length direction according to the size of a concrete precast block on site on the inner side surface of the side die 2; during assembly, the two side dies 2 are respectively used as support plates 4 by L-shaped angle irons, 4M 10 bolts 5 are used for butt joint and fixing on the bottom die 1, the bottom die 1 is in joint connection with the side dies 2, the partition plates 3 are inserted into corresponding clamping grooves 6 on the inner side surfaces of the two side dies 2 to form a plurality of die cavities, and finally, release agents are coated in the die cavities or plastic cloth is attached to the die cavities, so that the assembly of the forming die is completed, and concrete can be poured. After the concrete is poured and cured, the bolts 5 are loosened and the supporting plate 4 is taken away, so that the side mold 2 and the concrete precast block can be separated, the concrete precast block can be taken away, and the manufacturing process of the concrete precast block is completed. Repeating the assembly, casting and demoulding processes of the forming die to manufacture a plurality of concrete precast blocks. After all concrete precast blocks are manufactured, the precast dies can be disassembled according to the demolding process, so that transition transportation is facilitated.

If the side mold 2 has higher height or the pressure of the poured concrete to the side mold 2 is larger, a plurality of step-tightens can be arranged at the upper ends of the side molds 2 along the length direction at intervals, and the hook-shaped clamping rods and the movable clamping heads of the step-tightens are respectively clamped on the outer side surfaces of the side molds 2, so that the deformation resistance of the upper parts of the mold cavities is improved. As shown in fig. 3, a plurality of engaging holes may be provided at intervals in the longitudinal direction on the upper end surface of the side mold 2, and then both ends of the "[" tie rod 10 may be engaged with the engaging holes of the side molds 2, respectively, so that the deformation resistance of the upper portion of the cavity may be improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides an assembled concrete prefabricated section forming die convenient to drawing of patterns, its characterized in that includes die block (1), side form (2), baffle (3), backup pad (4), side form (2) are square steel and symmetry set up in die block (1)'s upper surface, the lateral surface of side form (2) is provided with multiunit screw I or through-hole I along length direction interval, die block (1) is dull and stereotyped and is provided with multiunit screw II or through-hole II along the lateral surface correspondence of side form (2), backup pad (4) are L type angle bar and two lateral surfaces laminating the lateral surface of side form (2) and the upper surface of die block (1) respectively, backup pad (4) correspond with die block (1), side form (2) fixed connection through screw or bolt (5) that pass screw I and screw II or through-hole II, the medial surface of side form (2) is provided with vertical draw-in groove (6) along length direction interval symmetry on side form (1), the both ends of baffle (3) slidable block respectively in die block (6) of both sides.

2. The prefabricated concrete block forming die convenient to demolding according to claim 1, characterized in that the side dies (2) on each side of the bottom die (1) are formed by stacking at least two square steels, the outer side faces of the upper adjacent square steels and the lower adjacent square steels of the side dies (2) are respectively connected with corresponding supporting plates (4) through screws or bolts (5), the supporting plates (4) are fixedly connected through the screws or bolts (5), and the outer side face of the bottommost square steel of the side die (2) is correspondingly fixedly connected with the bottom die (1) through the screws or bolts (5) and the supporting plates (4).

3. The prefabricated concrete block forming die convenient to demolding according to claim 2 is characterized in that a plugging layer (7) is arranged between the upper adjacent square steel and the lower adjacent square steel of the side die (2).

4. The prefabricated concrete block forming die convenient to demolding according to claim 1 is characterized in that the partition plate (3) is a square flat plate, the width of the partition plate is not smaller than the height of the side die (2), and the length of the partition plate is larger than the distance between inner side surfaces of the side dies (2) on the bottom die (1).

5. The prefabricated concrete block forming die convenient to demolding according to claim 4 is characterized in that the clearance of the partition board (3) in the clamping groove (6) is 0.3-1.0 mm, and the depth of the clamping groove (6) is 1.5-3 times of the thickness of the partition board (3).

6. The prefabricated concrete block forming die convenient to demolding according to claim 4, wherein crossed or transverse reinforcing ribs (8) are fixedly arranged on the outer surface of the partition plate (3) clamped at two ends of the two side dies (2) on the bottom die (1), and the maximum transverse distance between two sides of the reinforcing ribs (8) is smaller than the distance between inner side surfaces of the two side dies (2).

7. The prefabricated concrete block molding die convenient for demolding according to any one of claims 1 to 6, wherein a plurality of reinforcing rods (9) or reinforcing blocks perpendicular to the side dies (2) are arranged on the lower surface of the bottom die (1) at intervals along the length direction of the side dies (2).

8. The prefabricated concrete block forming die convenient for demoulding according to claim 7, wherein the reinforcing rod (9) is square steel or L-shaped angle iron, and the reinforcing block is a long strip plate or a long strip block.

9. The prefabricated concrete block forming die convenient to demolding according to claim 7 is characterized in that at least two step tightens are arranged at the upper end of the two side dies (2) on the bottom die (1) at intervals along the length direction, and hook-shaped clamping rods and movable clamping heads of the step tightens are respectively clamped on the outer side surfaces of the two side dies (2).

10. The prefabricated concrete block forming die convenient to demolding according to claim 7 is characterized in that a plurality of clamping holes are formed in the upper end face of the side die (2) at intervals along the length direction, a [ -shaped pull rod (10) is arranged at the upper end of the two side dies (2) on the bottom die (1), and two ends of the pull rod (10) are respectively clamped in the clamping holes of the two side dies (2).