Mould for prestressed concrete pipe pile production

Abstract

The utility model discloses a die for prestressed concrete pipe pile production, which belongs to the technical field of prestressed concrete pipe piles and comprises a mounting seat and a die body fixed on the mounting seat, support rods are fixedly connected to the periphery of the mounting seat, the die body is mounted at the center of the mounting seat, and the support rods are fixed on the die body. The top of the supporting rod is fixedly connected with a fixing plate, the fixing plate is provided with a pressing mechanism used in cooperation with the mold body, and the pressing mechanism can provide a pressing effect on the mold body, so that the mold body is not prone to position movement in the injection molding process; meanwhile, the stability of the mold main body for prestressed concrete pipe pile production is enhanced, the fixing effect of the mold main body is enhanced, the upper mold and the lower mold can be in butt joint through the sealing assembly so as to be fixed, and the sealing effect between the upper mold and the lower mold is improved; and the upper model and the lower model can conveniently perform injection molding on the prestressed concrete pipe pile.

Description

Technical Field

[0001] The utility model relates to the technical field of prestressed concrete pipe piles, and particularly relates to a mold for producing prestressed concrete pipe piles. Background Technique

[0002] A prestressed concrete pipe pile is a tubular slender member driven into the soil with a cross-sectional dimension much smaller than its length. The upper part of the pipe pile is connected to a bearing platform (beam) to form a pile foundation. Its basic structure is a prestressed concrete structure, which can be divided into post-tensioned prestressed pipe piles and pre-tensioned prestressed pipe piles. It has the characteristics of large bearing capacity, good stability, small settlement value, etc., and can be constructed mechanically, greatly improving the construction progress. Therefore, when producing prestressed concrete pipe piles, it is necessary to pour them through a mold.

[0003] A mold for producing concrete prestressed pipe piles proposed according to the publication number: CN212859882U includes an upper mold and a lower mold. Flanges are provided on the outer sides of the open edges in the length direction of the upper mold and the lower mold; a number of first limiting holes are penetrated and opened on the flange of the upper mold, and a number of second limiting holes are penetrated and opened on the flange of the lower mold; fixing pins are inserted into the first limiting holes and the second limiting holes. The fixing pin includes a pin head and a first limiting section slidably connected in the first limiting hole and the second limiting hole; a limiting block is provided on the side wall of the first limiting section, and limiting grooves are opened on the inner walls of the first limiting hole and the second limiting hole; the distance between the lower surface of the pin head and the upper surface of the limiting block is equal to the sum of the thicknesses of the flange of the upper mold and the flange of the lower mold; a first locking hole is also penetrated and opened on the pin head, and a second locking hole is also opened on the flange of the upper mold. A locking bolt for preventing the fixing pin from rotating is fixed in the first locking hole and the second locking hole. This utility model has the effects of quickly disassembling and assembling the mold and improving the installation stability.

[0004] According to the above introduction, when the existing mold for producing prestressed concrete pipe piles is used for injecting the prestressed concrete pipe pile, due to the lack of compaction effect on the mold, the mold is easily subjected to the pressure of the concrete, resulting in the mold being unable to inject the prestressed concrete pipe pile, reducing the fixing effect and stability of the mold for injecting the prestressed concrete pipe pile. To solve the above-mentioned problems, a mold for producing prestressed concrete pipe piles is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a mold for producing prestressed concrete pipe piles. By setting a pressing mechanism, a compaction effect can be provided for the mold body, so that the mold body is not easily displaced during the injection process, and at the same time, the stability of the mold body for producing prestressed concrete pipe piles is enhanced, and the fixing effect of the mold body is enhanced, so as to solve the problems raised in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A mold for producing prestressed concrete pipe piles, including a mounting base and a mold body fixed on the mounting base. Four sides of the mounting base are fixedly connected with support rods. The mold body is installed at the center of the mounting base. The top of the support rods is fixedly connected with a fixing plate. The fixing plate is provided with a pressing mechanism for cooperating with the mold body. The mold body includes an upper mold and a lower mold. A sealing component is arranged at the connection of the upper mold and the lower mold. One end of the pressing mechanism is fixedly connected with the surface of the upper mold. The outer wall of the lower mold is fixedly connected with a support seat, and one end of the support seat is fixed on the mounting base.

[0007] Preferably, the pressing mechanism includes hydraulic cylinders. There are two hydraulic cylinders, and the two hydraulic cylinders are installed at both ends of the top of the fixing plate. The piston rod of the hydraulic cylinder is fixedly connected with a pressing plate. The lower surface of the pressing plate is fixedly connected with a pressing rod. One end of the pressing rod is fixedly connected with the outer wall of the upper mold. Limiting components are arranged around the surface of the pressing plate.

[0008] Preferably, the limiting components include limiting rods. The two ends of the limiting rods are respectively fixedly connected between the fixing plate and the mounting base. Sliding sleeves are embedded around the pressing plate, and the limiting rods are slidably connected inside the sliding sleeves.

[0009] Preferably, bent rods are fixedly connected in sequence from left to right on the surfaces of the upper mold and the lower mold, and reinforcing rods are fixedly connected to the bent rods.

[0010] Preferably, the sealing component includes fixing blocks. The fixing blocks are fixed on both sides of the upper mold and the lower mold. Positioning bolts are fixedly connected at equal distances on the fixing blocks of the lower mold. Positioning holes are opened at positions corresponding to the positioning bolts on the fixing blocks of the upper mold. The positioning bolts penetrate through the positioning holes and are bolted with fastening nuts.

[0011] Preferably, fixing rods are fixedly connected at the centers of the outer walls of the upper mold and the lower mold. The top end of the fixing rod fixed on the upper mold is fixedly connected with the lower surface of the pressing plate. The lower end of the fixing rod fixed on the lower mold is fixedly connected with the surface of the mounting base.

[0012] Preferably, baffles are installed inside the upper mold and the lower mold, and through holes are opened at equal distances on the surfaces of the baffles.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. The utility model provides a mold for producing prestressed concrete pipe piles. By setting a pressing mechanism, a compaction effect can be provided to the mold body, so that the mold body is not prone to position movement during the injection molding process, and at the same time, the stability of the mold body for the production of prestressed concrete pipe piles is enhanced, and the fixing effect of the mold body is enhanced.

[0015] 2. The utility model provides a mold for producing prestressed concrete pipe piles. By setting a sealing component, the upper mold and the lower mold can be docked and fixed, so that the sealing effect between the upper mold and the lower mold is improved, and it is convenient for the upper mold and the lower mold to inject mold for the prestressed concrete pipe piles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a front view schematic diagram of the overall structure of the present utility model;

[0018] Figure 3 is a schematic diagram of the separated states of the pressing mechanism, the upper mold and the lower mold structures of the present utility model;

[0019] Figure 4 is a schematic diagram of the upper mold and the lower mold structures of the present utility model;

[0020] Figure 5 is a schematic diagram of the bent rod and the reinforcing rod structures of the present utility model.

[0021] Reference numerals in the drawings: 1, mounting seat; 2, mold body; 21, upper mold; 22, lower mold; 3, support rod; 4, fixing plate; 5, pressing mechanism; 51, hydraulic cylinder; 52, pressing plate; 53, pressing rod; 54, limiting component; 541, limiting rod; 542, sliding sleeve; 6, sealing component; 61, fixing block; 62, positioning bolt; 63, positioning hole; 64, fastening nut; 7, support seat; 8, bent rod; 9, reinforcing rod; 10, fixing rod; 11, baffle; 12, through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] The present utility model provides as Figures 1 to 5A mold for producing prestressed concrete pipe piles as shown, includes a mounting base 1 and a mold body 2 fixed on the mounting base 1. Support rods 3 are fixedly connected to the four sides of the mounting base 1. The mold body 2 is installed at the center of the mounting base 1. The top of the support rod 3 is fixedly connected with a fixing plate 4. A pressing mechanism 5 used in cooperation with the mold body 2 is arranged on the fixing plate 4. By setting the pressing mechanism 5, a compaction effect can be provided to the mold body 2, so that the mold body 2 is not prone to position movement during the injection molding process, and at the same time, the stability of the mold body 2 for the production of prestressed concrete pipe piles is enhanced, and the fixing effect of the mold body 2 is enhanced. The mold body 2 includes an upper mold 21 and a lower mold 22. A sealing component 6 is arranged at the connection of the upper mold 21 and the lower mold 22. One end of the pressing mechanism 5 is fixedly connected to the surface of the upper mold 21. A support base 7 is fixedly connected to the outer wall of the lower mold 22. One end of the support base 7 is fixed on the mounting base 1. By setting the sealing component 6, the upper mold 21 and the lower mold 22 can be docked and fixed, so that the sealing effect between the upper mold 21 and the lower mold 22 is improved, which is convenient for the upper mold 21 and the lower mold 22 to inject mold the prestressed concrete pipe pile.

[0024] The pressing mechanism 5 includes hydraulic cylinders 51. There are two hydraulic cylinders 51, and the two hydraulic cylinders 51 are installed at both ends of the top of the fixing plate 4. The piston rod of the hydraulic cylinder 51 is fixedly connected with a pressing plate 52. A pressing rod 53 is fixedly connected to the lower surface of the pressing plate 52. One end of the pressing rod 53 of the rod is fixedly connected to the outer wall of the upper mold 21. Limit components 54 are arranged around the surface of the pressing plate 52. By setting the hydraulic cylinders 51 to provide power, the pressing rod 53 on the pressing plate 52 is driven to move up and down, so as to drive the upper mold 21 and the lower mold 22 to dock, and a pressure effect can be provided between the upper mold 21 and the lower mold 22, making the docking between the upper mold 21 and the lower mold 22 more stable and firm.

[0025] The limit component 54 includes limit rods 541. The two ends of the limit rods 541 are respectively fixedly connected between the fixing plate 4 and the mounting base 1. Sliding sleeves 542 are embedded around the pressing plate 52. The limit rods 541 are slidably connected to the inner cavity of the sliding sleeves 542. By setting the cooperation of the limit rods 541 and the sliding sleeves 542, a limiting effect can be provided on the position of the upper mold 21 driven by the pressing plate 52, which is convenient for the upper mold 21 and the lower mold 22 to dock quickly and stably.

[0026] Bending rods 8 are fixedly connected to the surfaces of the upper mold 21 and the lower mold 22 from left to right in sequence. Reinforcing rods 9 are fixedly connected to the bending rods 8. Through the cooperation of the bending rods 8 and the reinforcing rods 9, the fixing property of the upper mold 21 and the lower mold 22 can be enhanced.

[0027] The sealing assembly 6 includes a fixed block 61. The fixed block 61 is fixed on both sides of the upper mold 21 and the lower mold 22. Positioning bolts 62 are fixedly connected to the fixed block 61 of the lower mold 22 at equal distances. Positioning holes 63 are provided at positions corresponding to the positioning bolts 62 on the fixed block 61 of the upper mold 21. The positioning bolts 62 pass through the positioning holes 63 and are bolted with fastening nuts 64. By providing the fixed block 61, it is convenient to connect the upper mold 21 and the lower mold 22. Through the cooperation of the positioning bolts 62 and the positioning holes 63, the upper mold 21 and the lower mold 22 can be quickly docked. Subsequently, the positioning bolts 62 are fixed by the fastening nuts 64. Therefore, the upper mold 21 and the lower mold 22 can be docked and sealed.

[0028] Fixed rods 10 are fixedly connected to the centers of the outer walls of the upper mold 21 and the lower mold 22. The top end of the fixed rod 10 fixed to the upper mold 21 is fixedly connected to the lower surface of the pressing plate 52. The lower end of the fixed rod 10 fixed to the lower mold 22 is fixedly connected to the surface of the mounting seat 1. By providing the fixed rods 10, the stability of the docking between the upper mold 21 and the lower mold 22 can be further enhanced.

[0029] Baffles 11 are installed inside the upper mold 21 and the lower mold 22. Through holes 12 are provided at equal distances on the surfaces of the baffles 11. By the cooperation of the provided baffles 11 and the through holes 12, it is convenient to insert steel bars into the cast concrete pipe piles, thereby enhancing the toughness of the prestressed concrete pipe piles.

[0030] During specific use, first, power is provided by setting the hydraulic cylinder 51 to drive the lifting movement of the pressure rod 53 on the pressing plate 52, thereby driving the docking between the upper mold 21 and the lower mold 22, and a pressure effect can be provided between the upper mold 21 and the lower mold 22, making the docking between the upper mold 21 and the lower mold 22 more stable and firm. During the movement of the pressing plate 52, through the cooperation of the provided limit rods 541 and the sliding sleeves 542, a limiting effect can be provided on the position of the movement of the upper mold 21 driven by the pressing plate 52, facilitating the fast and stable docking between the upper mold 21 and the lower mold 22. Finally, by providing the fixed block 61, it is convenient to connect the upper mold 21 and the lower mold 22. Through the cooperation of the positioning bolts 62 and the positioning holes 63, the upper mold 21 and the lower mold 22 can be quickly docked. Subsequently, the positioning bolts 62 are fixed by the fastening nuts 64. Therefore, the upper mold 21 and the lower mold 22 can be docked and sealed.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold for producing prestressed concrete pipe piles, comprising a mounting seat (1) and a mold body (2) fixed on the mounting seat (1), characterized in that: Support rods (3) are fixedly connected to the four sides of the mounting seat (1); the mold body (2) is mounted at the center of the mounting seat (1); a fixing plate (4) is fixedly connected to the top of the support rod (3); a clamping mechanism (5) for use with the mold body (2) is arranged on the fixing plate (4); the mold body (2) comprises an upper model (21) and a lower model (22); a sealing component (6) is arranged at the connection between the upper model (21) and the lower model (22); one end of the clamping mechanism (5) is fixedly connected to the surface of the upper model (21); the outer wall of the lower model (22) is fixedly connected to a support seat (7); one end of the support seat (7) is fixed to the mounting seat (1).

2. A prestressed concrete pipe pile production mold according to claim 1, characterized in that: The clamping mechanism (5) comprises a hydraulic cylinder (51), two of which are provided. The two hydraulic cylinders (51) are mounted at two ends of the top of the fixed plate (4), the piston rod of the hydraulic cylinder (51) is fixedly connected to a pressure plate (52), the lower surface of the pressure plate (52) is fixedly connected to a pressure rod (53), one end of the pressure rod (53) is fixedly connected to the outer wall of the upper model (21), and a limiting component (54) is provided around the surface of the pressure plate (52).

3. A prestressed concrete pipe pile production mold according to claim 2, characterized in that: The limiting assembly (54) comprises a limiting rod (541), the two ends of which are respectively fixedly connected to the fixing plate (4) and the mounting seat (1), a sliding sleeve (542) is embedded around the pressing plate (52), and the limiting rod (541) is slidably connected to the inner cavity of the sliding sleeve (542).

4. A mold for producing prestressed concrete pipe piles according to claim 3, characterized in that: The surfaces of the upper model (21) and the lower model (22) are fixedly connected with bent rods (8) in sequence from left to right, and the bent rods (8) are fixedly connected with reinforcing rods (9).

5. The mold for producing prestressed concrete pipe piles according to claim 1, characterized in that: The sealing assembly (6) comprises a fixing block (61), wherein the fixing block (61) is fixed on both sides of the upper model (21) and the lower model (22), positioning bolts (62) are fixedly connected to the fixing block (61) of the lower model (22) at equal distances, and a positioning hole (63) is provided on the fixing block (61) of the upper model (21) at a position corresponding to the positioning bolt (62), and the positioning bolt (62) passes through the positioning hole (63) and is bolted with a fastening nut (64).

6. A mold for producing prestressed concrete pipe piles according to claim 5, characterized in that: A fixing rod (10) is fixedly connected at the center of the outer wall of the upper model (21) and the lower model (22); the top end of the fixing rod (10) fixed to the upper model (21) is fixedly connected to the lower surface of the pressing plate (52), and the lower end of the fixing rod (10) fixed to the lower model (22) is fixedly connected to the surface of the mounting seat (1).

7. The mold for producing prestressed concrete pipe piles according to claim 1, characterized in that: Baffles (11) are installed on the inner sides of the upper mold (21) and the lower mold (22), and through holes (12) are provided on the surface of the baffles (11) at equal distances.

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