A method of mass production of precast blocks

Through the adjustable formwork system and bracket-assisted rebar planting technology, the problems of poor applicability of traditional prefabricated block formwork and poor rebar planting quality are solved, and the efficient production of prefabricated blocks of various specifications and the improvement of connection strength are achieved.

CN116533367BActive Publication Date: 2025-10-17CHINA MCC5 GROUP CORP LTD
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Patent Information

Application Number
CN202310553027.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-17
Publication Date
2025-10-17
Estimated Expiration
2043-05-17

AI Technical Summary

Technical Problem

Traditional prefabricated block formwork has poor applicability and poor rebar quality, and cannot meet the needs of prefabricated blocks of different specifications.

Method used

The formwork system consists of side bars, middle bars, longitudinal baffles and transverse baffles. The adjustability of the formwork is achieved through adjusting screws and compression springs. Combined with sliding brackets and adjustable pipe clamps, the precise implantation of steel bars and the formation of tongue and groove are ensured.

Benefits of technology

The template has been made adaptable to multiple specifications, the quality of embedded reinforcement has been ensured, and the connection strength and waterproofing effect of the prefabricated blocks have been improved.

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Abstract

The application discloses a batch manufacturing method of precast blocks, which comprises side stop levers, middle stop levers, longitudinal stop plates and horizontal stop plates. The inner side of the side stop levers and the two sides of the middle stop levers are respectively provided with a plurality of longitudinal stop plates which are oppositely arranged along the longitudinal direction at equal intervals, so as to form clamping grooves between two adjacent longitudinal stop plates. The two ends of the horizontal stop plate are respectively clamped in the clamping grooves oppositely arranged on the two sides. The horizontal stop plate and the longitudinal stop plate form a closed precast block pouring space. Concrete and steel bars are poured in the precast block pouring space, and the precast blocks are finally obtained after the concrete is solidified. The horizontal stop plate is divided into three components, the three components are assembled to form a complete pouring space, the middle plate is removed, and the end blocks on the two sides are moved to be flush with the longitudinal stop plate, so that the pouring space is connected, and the pouring demand of precast blocks of different specifications is met.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of precast concrete, and particularly relates to a batch production method of precast blocks. BACKGROUND

[0002] The precast block is a small-sized precast concrete component formed by pouring a small amount of steel bars and concrete, and is mainly used in the application scenarios of large quantities of components with the same structure in construction.

[0003] The traditional batch production method of precast blocks is mainly to use a grid-shaped formwork for pouring. However, the structure of the formwork is fixed, and can only be used for pouring precast blocks of one specification. Moreover, since the precast blocks have a small amount of steel bars, the steel bars cannot support each other, and no additional supporting components are provided during installation, so the steel bars are usually inserted manually, resulting in poor quality of the inserted steel bars. SUMMARY

[0004] The present application provides a batch production method of precast blocks, which solves the problems of poor applicability of the existing precast block pouring formwork and poor quality of the inserted steel bars.

[0005] The present application achieves the above-mentioned purpose by the following technical solutions.

[0006] The batch production method of precast blocks comprises side stop rods, middle stop rods, longitudinal stop plates and transverse stop plates. The inner side of each side stop rod and the two sides of each middle stop rod are provided with a plurality of longitudinal stop plates opposite in longitudinal position. The longitudinal stop plates are arranged at equal intervals in the longitudinal direction, so as to form a clamping groove between two longitudinally adjacent longitudinal stop plates. The two ends of the transverse stop plate are clamped in the clamping grooves opposite in longitudinal position on the two sides. The transverse stop plate and the longitudinal stop plates form a closed precast block pouring space. Concrete and steel bars are constructed in the precast block pouring space, and the precast blocks are finally obtained after the concrete is solidified.

[0007] Further, the side stop rods are connected into one body by the tie rods. The side stop rods press the transverse stop plate inward, so as to ensure that the transverse stop plate is tightly clamped in the clamping grooves on the two sides.

[0008] Further, the end portion of the longitudinal stop plate is provided with a sealing gasket located in the clamping groove. The sealing gasket seals the gap between the longitudinal stop plate and the transverse stop plate, so as to ensure the closure of the precast block pouring space.

[0009] Further, the transverse stop plate comprises an outer end block, a middle plate block and an inner end block. The length of the middle plate block is greater than the interval between two longitudinally adjacent longitudinal stop plates. The outer end block is located in the clamping groove of the side stop rod. The side stop rod is threadedly connected with an adjusting screw. The adjusting screw extends into the clamping groove and supports the outer end block. The inner end block is located in the clamping groove of the middle stop rod. A compression spring is arranged between the inner end block and the middle stop rod.

[0010] Further, according to the need of pouring, the horizontal blocking plate is selectively installed, the adjusting screw is screwed outwards, the two ends of the middle plate are clamped into the clamping grooves on the two sides, and the two ends are tightly pressed against the outer end block and the inner end block respectively, so that the horizontal blocking plate is assembled completely to form a blocking structure, or the middle plate is pulled out of the clamping groove, the adjusting screw is screwed inwards to support the outer end block to be flush with the outer end surface of the longitudinal blocking plate, and the inner end block is flush with the outer end surface of the longitudinal blocking plate under the action of the compression spring, so that the pouring spaces of the two adjacent prefabricated blocks are communicated.

[0011] Further, the vertical rods are provided on the side blocking rods, longitudinal connecting rods are connected between the vertical rods, transverse fixing rods are connected between the connecting rods, and the reinforcing steel bars and the operating rods are temporarily fixed on the fixing rods, so that the reinforcing steel bars are vertically inserted into the concrete, and the notched blade at the bottom of the operating rod is pressed on the surface of the concrete to form a notch on the prefabricated block for sealing.

[0012] Further, the vertical rods are provided on the side blocking rods, longitudinal connecting rods are connected between the vertical rods, transverse fixing rods are connected between the connecting rods, and the reinforcing steel bars and the operating rods are temporarily fixed on the fixing rods, so that the reinforcing steel bars are vertically inserted into the concrete, and the notched blade at the bottom of the operating rod is pressed on the surface of the concrete to form a notch on the prefabricated block for sealing.

[0013] Further, the vertical rods are provided on the side blocking rods, longitudinal connecting rods are connected between the vertical rods, transverse fixing rods are connected between the connecting rods, and the reinforcing steel bars and the operating rods are temporarily fixed on the fixing rods, so that the reinforcing steel bars are vertically inserted into the concrete, and the notched blade at the bottom of the operating rod is pressed on the surface of the concrete to form a notch on the prefabricated block for sealing.

[0014] Further, the vertical rods are provided on the side blocking rods, longitudinal connecting rods are connected between the vertical rods, transverse fixing rods are connected between the connecting rods, and the reinforcing steel bars and the operating rods are temporarily fixed on the fixing rods, so that the reinforcing steel bars are vertically inserted into the concrete, and the notched blade at the bottom of the operating rod is pressed on the surface of the concrete to form a notch on the prefabricated block for sealing.

[0015] Further, the notched blade is cross-shaped, and the cross-shaped notch is formed on the prefabricated block by the notched blade.

[0016] The beneficial effects of the present application are as follows:

[0017] 1. The horizontal blocking plate is divided into three components, and the three components are assembled completely to realize the blocking of the pouring space, the middle plate is removed, the end blocks on the two sides are moved to be flush with the longitudinal blocking plate, the communication of the pouring space is realized, and the pouring requirements of different specifications of prefabricated blocks are met.

[0018] 2. Use the sliding bracket to assist in planting reinforcement and drawing tongue and groove. After the bracket is fixed, the vertical insertion of steel bars and the vertical pressing of the tongue and groove blade can be accurately achieved. The position of the planting reinforcement can also be adjusted by sliding the bracket, or the tongue and groove can be drawn by sliding the bracket.

[0019] The aforementioned main solution of the present invention and its further options can be freely combined to form multiple solutions, all of which are solutions that can be adopted and protected by the present invention; and the (non-conflicting options) of the present invention can also be freely combined with each other and with other options. After understanding the solutions of the present invention, those skilled in the art will understand that there are many combinations based on existing technology and common knowledge, all of which are technical solutions to be protected by the present invention, and these are not exhaustive here. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a top view of the structure of embodiment 1 of the present invention.

[0021] Figure 2 yes Figure 1 A partial enlarged view of .

[0022] Figure 3 It is a structural front view of embodiment 1 of the present invention.

[0023] Figure 4 It is a top view of the structure of embodiment 2 of the present invention.

[0024] Figure 5 yes Figure 4 A partial enlarged view of .

[0025] Figure 6 This is a structural front view of embodiment 2 of the present invention.

[0026] In the figure: 1-side baffle, 2-middle baffle, 3-longitudinal baffle, 4-slot, 5-transverse baffle, 6-pull rod, 7-outer end block, 8-middle block, 9-inner end block, 10-adjusting screw, 11-compression spring, 12-slide, 13-slide seat, 14-vertical rod, 15-first pipe clamp, 16-connecting rod, 17-second pipe clamp, 18-fixing rod, 19-rebar clamp, 20-rebar, 21-operating rod, 22-limiting nut, 23-tongue-and-groove blade. DETAILED DESCRIPTION

[0027] The following non-limiting examples illustrate the present invention.

[0028] Example 1:

[0029] refer to Figures 1-3 As shown, a batch production method of prefabricated blocks includes side baffles 1, middle baffles 2, longitudinal baffles 3 and transverse baffles 5.

[0030] The side blocking rod 1 and the middle blocking rod 2 are rod-shaped members with rectangular cross sections, which can be wood or metal square tubes. The side blocking rod 1 is arranged longitudinally on both sides, and the middle blocking rod 2 is arranged transversely in the middle. The side blocking rod 1 and the middle blocking rod 2 provide a mounting base for the longitudinal blocking plate 3 and form the main frame of the pouring system.

[0031] The inner side of the side blocking rod 1 and the two sides of the middle blocking rod 2 are provided with a plurality of longitudinal blocking plates 3 that are opposite in longitudinal position. The longitudinal blocking plate 3 is a surrounding member in the longitudinal direction and can be fixed on the side blocking rod 1 or the middle blocking rod 2 by nails or directly welded on the side blocking rod 1 or the middle blocking rod 2.

[0032] The plurality of longitudinal blocking plates 3 are arranged at equal intervals in the longitudinal direction, thereby forming a clamping groove 4 between two longitudinally adjacent longitudinal blocking plates 3. The clamping groove 4 is used to realize the clamping and fixing of the transverse blocking plate 5. The two ends of the transverse blocking plate 5 are clamped in the clamping grooves 4 opposite in longitudinal position on both sides. The transverse blocking plate 5 is a surrounding member in the transverse direction. Since the longitudinal blocking plate 3 and the clamping groove 4 are opposite in longitudinal position, a transverse and longitudinal grid structure is formed, realizing the simultaneous production of multiple prefabricated blocks.

[0033] The side blocking rods 1 are connected into a whole by the tie rods 6, which can be selected as tie bolts or steel pipes welded between the side blocking rods 1. The side blocking rods 1 press the transverse blocking plate 5 inward, ensuring that the transverse blocking plate 5 is tightly clamped in the clamping grooves 4 on both sides, thereby tightly clamping the side blocking rod 1, the middle blocking rod 2, the longitudinal blocking plate 3, and the transverse blocking plate 5 into a whole structure.

[0034] The transverse blocking plate 5 and the longitudinal blocking plate 3 form a closed prefabricated block pouring space. Concrete and steel bars are constructed in the prefabricated block pouring space. After the concrete solidifies, the prefabricated block is finally obtained. The end of the longitudinal blocking plate 3 is provided with a sealing gasket located in the clamping groove 4. The sealing gasket seals the gap between the longitudinal blocking plate 3 and the transverse blocking plate 5, ensuring the sealing of the prefabricated block pouring space and preventing the outflow of concrete.

[0035] The transverse blocking plate 5 includes three components: an outer end block 7, a middle plate block 8, and an inner end block 9. The length of the middle plate block 8 is greater than the distance between two transversely adjacent longitudinal blocking plates 3, so that the two ends of the middle plate block 8 can be clamped into the clamping grooves 4. The outer end block 7 is slidably arranged in the clamping groove 4 of the side blocking rod 1 in the transverse direction. The side blocking rod 1 is threadedly connected with an adjusting screw 10, which extends into the clamping groove 4 and supports the outer end block 7, so that the transverse position of the outer end block 7 can be changed according to the extension length of the adjusting screw 10. The inner end block 9 is slidably arranged in the clamping groove 4 of the middle blocking rod 2 in the transverse direction. A compression spring 11 is arranged between the inner end block 9 and the middle blocking rod 2. During the compression and recovery of the inner end block 9, the transverse position of the inner end block 9 can be changed.

[0036] According to the needs of pouring, the transverse blocking plate 5 is selectively installed, the adjusting screw 10 is screwed outward, the two ends of the middle plate 8 are installed into the clamping grooves 4 on both sides, and the two ends are respectively abutted against the outer end blocks 7 and the inner end blocks 9 to ensure the sealing of the whole after assembly. At this time, the transverse blocking plate 5 is assembled to form a surrounding blocking structure, and the precast block pouring space is a plurality of independent pouring spaces, which is suitable for the production of small and large batches of precast blocks.

[0037] Or the middle plate 8 is pulled out of the clamping groove 4, the adjusting screw 10 is screwed inward to support the outer end block 7 to be flush with the outer end surface of the longitudinal blocking plate 3, and then the two adjacent longitudinal blocking plates 3 on the side blocking rod 1 form a flush surrounding blocking structure. The inner end block 9 is flush with the outer end surface of the longitudinal blocking plate 3 under the action of the compression spring 11, and then the two adjacent longitudinal blocking plates 3 on the middle blocking rod 2 also form a flush surrounding blocking structure. By removing the middle plate 8, the end blocks on both sides are pushed out to be flush, thereby connecting the pouring spaces of the two adjacent precast blocks. This mode can be used in two-in-one, three-in-one or multi-in-one way to connect small pouring spaces into large pouring spaces to meet the production of large and small batches of precast blocks.

[0038] Or the middle plate 8 is pulled out of the clamping groove 4, the adjusting screw 10 is screwed inward to support the outer end block 7, but the outer end block 7 is ensured to be lower than the outer end surface of the longitudinal blocking plate 3, and then the two adjacent longitudinal blocking plates 3 on the side blocking rod 1 form a recessed surrounding blocking structure to form a convex rabbet on the poured precast block. The inner end block 9 is higher than the outer end surface of the longitudinal blocking plate 3 under the action of the compression spring 11, and then the two adjacent longitudinal blocking plates 3 on the middle blocking rod 2 form a convex surrounding blocking structure to form a concave rabbet on the poured precast block. The convex rabbet and the concave rabbet cooperate with each other to improve the connection strength and waterproof effect between the two adjacent precast blocks.

[0039] Embodiment 2:

[0040] Referring to Figures 4-6 As shown in the drawings, a batch production method of precast blocks is provided. Two vertical rods 14 are arranged on the side blocking rod 1 on both sides, a longitudinal connecting rod 16 is connected between the vertical rods 14, a plurality of transverse fixing rods 18 are connected between the connecting rods 16, and a steel bar 20 and an operating rod 21 are temporarily fixed on the fixing rod 18. First, the vertical rod 14, the connecting rod 16 and the fixing rod 18 are fixed to ensure that they do not slip, the steel bar 20 is vertically inserted into the concrete, which can ensure that the steel bar 20 is vertical without deviation, the position is accurate, and the insertion depth of the steel bar 20 can be adjusted to meet the depth requirement of the steel bar. At the same time, the rabbet blade 23 at the bottom of the operating rod 21 is pressed on the surface of the concrete to form a rabbet for sealing on the precast block.

[0041] The side stop lever 1 is fixed with a slide 12, the bottom of the vertical rod 14 is longitudinally slid along the slide 12 through a sliding seat 13, the movement of the whole bracket is driven by the vertical rod 14, and the sliding seat 13 can be locked and fixed by using a locking screw after the sliding is completed. After the installation of the steel bars 20 in one position is completed, the fixed rod 18 is moved to another position for the installation of the steel bars 20 through the longitudinal sliding of the vertical rod 14. It should be noted that the longitudinal sliding at this time is to adjust the fixed rod 18 to be higher than the steel bars 20.

[0042] Or the operating rod 21 is synchronously moved through the longitudinal sliding of the vertical rod 14, the operating rod 21 is adjusted to be in contact with the surface of the concrete, and the operating rod 21 draws a groove on the surface of the concrete by using the tongue-and-groove blade 23. It should be noted that the tongue-and-groove blade 23 at this time is a one-word structure arranged in the longitudinal direction.

[0043] The vertical rod 14 is sleeved with an adjustable first pipe clamp 15, the first pipe clamp 15 is fixedly connected with the connecting rod 16, the vertical position of the connecting rod 16 and the fixed rod 18 can be adjusted through the sleeving sliding of the first pipe clamp 15, the vertical height of the connecting rod 16 and the fixed rod 18 can be adjusted through the first pipe clamp 15, the installation height of different steel bars 20 can be met, and the fixed rod 18 can be moved upward to be higher than the steel bars 20 to avoid the interference between the fixed rod 18 and the steel bars 20 during the longitudinal movement of the fixed rod 18. The connecting rod 16 is fixedly connected with the fixed rod 18 through a second pipe clamp 17 to realize the transition connection between the connecting rod 16 and the fixed rod 18.

[0044] The steel bars 20 are vertically arranged on the fixed rod 18 to ensure that the steel bars 20 can be adjusted upward and downward and the verticality can be ensured, the fixed rod 18 is fixed with a steel bar clamp 19 for clamping the steel bars 20, so that the steel bars 20 can be clamped and fixed by using the steel bar clamp 19 after the embedded depth of the steel bars 20 meets the standard, and the steel bar clamp 19 can be removed to the setting of the steel bars in the next position when the steel bars 20 in the concrete are stable and do not fall any more.

[0045] The operating rod 21 is vertically arranged on the fixed rod 18 to ensure that the operating rod 21 can be adjusted upward and downward and the verticality can be ensured, the threaded part of the operating rod 21 is provided with a limiting nut 22, the limiting nut 22 limits the vertical position of the operating rod 21, the vertical height of the operating rod 21 is limited by using the limiting nut 22, so that the groove is formed on the surface of the concrete by using the tongue-and-groove blade 23, the tongue-and-groove blade 23 is a cross shape, the cross-shaped groove is formed on the prefabricated block by using the tongue-and-groove blade 23, and the waterproofness of the prefabricated block in the later period can be improved.

[0046] The foregoing basic examples and each further selected example of the present application can be freely combined to form a plurality of embodiments, all of which are embodiments that can be adopted and claimed by the present application. In the present application scheme, each selected example can be arbitrarily combined with any basic example and selected example.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for batch production of prefabricated blocks, characterized by: The invention comprises a side baffle (1), a middle baffle (2), a longitudinal baffle (3) and a transverse baffle (5), wherein a plurality of longitudinal baffles (3) are provided on the inner side of the side baffle (1) and on both sides of the middle baffle (2), and the plurality of longitudinal baffles (3) are arranged at equal intervals in the longitudinal direction, thereby forming a slot (4) between two longitudinally adjacent longitudinal baffles (3), and the two ends of the transverse baffle (5) are respectively clamped in the longitudinally opposite slots (4) on both sides, and a closed prefabricated block casting space is formed between the transverse baffle (5) and the longitudinal baffle (3), and concrete and steel bars are constructed in the prefabricated block casting space, and the prefabricated block is finally obtained after the concrete solidifies; The transverse baffle (5) includes an outer end block (7), a middle block (8) and an inner end block (9), the length of the middle block (8) is greater than the spacing between two adjacent longitudinal baffles (3) in the transverse direction, the outer end block (7) is located in the slot (4) of the side baffle (1), and the side baffle (1) is threadedly connected with an adjusting screw (10), which extends into the slot (4) and supports the outer end block (7), the inner end block (9) is located in the slot (4) of the middle baffle (2), and a compression spring (11) is provided between the inner end block (9) and the middle baffle (2); The transverse baffle (5) is selectively installed according to the needs of pouring, and the adjusting screw (10) is screwed outward, and the two ends of the middle plate (8) are installed in the grooves (4) on both sides, and the two ends are respectively tightened with the outer end block (7) and the inner end block (9), so that the transverse baffle (5) is assembled to form a complete enclosure structure, or the middle plate (8) is pulled out of the groove (4), and the adjusting screw (10) is screwed inward to support the outer end block (7) until it is flush with the outer end surface of the longitudinal baffle (3), and the inner end block (9) is flush with the outer end surface of the longitudinal baffle (3) under the action of the compression spring (11), thereby connecting the pouring space of the two adjacent prefabricated blocks; The side guard bar (1) is provided with vertical bars (14), longitudinal connecting bars (16) are connected between the vertical bars (14), and transverse fixing bars (18) are connected between the connecting bars (16). The steel bars (20) and the operating bars (21) are temporarily fixed on the fixing bars (18) to vertically extend the steel bars (20) into the concrete, and at the same time, the tongue-and-groove blade (23) at the bottom of the operating bar (21) is pressed against the concrete surface to form a tongue-and-groove for sealing on the prefabricated part; The side guard bar (1) is provided with a slideway (12), and the bottom of the vertical bar (14) slides longitudinally along the slideway (12) through the slide seat (13). After the steel bar (20) at one position is installed, the fixing bar (18) is moved to another position by the longitudinal sliding of the vertical bar (14) to continue the installation of the steel bar (20), or the operating bar (21) is driven to move synchronously by the longitudinal sliding of the vertical bar (14), and the operating bar (21) uses the tongue-and-groove blade (23) to draw a tongue-and-groove on the concrete surface; The vertical rod (14) is provided with an adjustable first pipe clamp (15), the first pipe clamp (15) is connected to the connecting rod (16), and the connecting rod (16) is connected to the fixing rod (18) through the second pipe clamp (17). The vertical heights of the connecting rod (16) and the fixing rod (18) can be adjusted by the first pipe clamp (15) to meet the installation heights of different steel bars (20). The fixing rod (18) can also be moved up to be higher than the steel bars (20) to avoid interference between the fixing rod (18) and the steel bars (20) when the fixing rod (18) moves longitudinally.

2. The method for batch production of prefabricated blocks according to claim 1, characterized in that: The side baffles (1) are connected as a whole via a pull rod (6), and the side baffles (1) press the transverse baffle (5) inward to ensure that the transverse baffle (5) is clamped tightly in the clamping grooves (4) on both sides.

3. The method for batch production of prefabricated blocks according to claim 1 or 2, characterized in that: The end of the longitudinal baffle (3) is provided with a sealing gasket located in the slot (4), and the sealing gasket seals the gap between the longitudinal baffle (3) and the transverse baffle (5), thereby ensuring the sealing of the prefabricated block casting space.

4. The method for batch production of prefabricated blocks according to claim 1, characterized in that: The steel bar (20) is vertically passed through the fixed rod (18), and a steel bar clamp (19) for clamping the steel bar (20) is fixed on the fixed rod (18). The operating rod (21) is vertically passed through the fixed rod (18), and a limiting nut (22) is provided on the threaded portion of the operating rod (21). The limiting nut (22) limits the vertical position of the operating rod (21).

5. The method for batch production of prefabricated blocks according to claim 1, characterized in that: The tongue-and-groove cutting edge (23) is cross-shaped, and a cross-shaped tongue-and-groove is formed on the prefabricated block by using the tongue-and-groove cutting edge (23).

Citation Information

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