Overturning and tightening device for PHC pile mold

Abstract

The utility model discloses a turning and tightening device of a PHC pile mould, which belongs to the technical field of PHC pile manufacture and comprises an upper mould, a lower mould, a connecting piece and a locking piece, the upper mould and the lower mould are hinged together and can be opened and closed, a plurality of first grooves are arranged on the upper mould, second grooves corresponding to the first grooves are arranged on the lower mould, and the connecting piece and the locking piece are arranged on the lower mould. The lower end of each first groove is hinged with the corresponding connecting piece, the lower end of each second groove is hinged with the corresponding connecting piece, the connecting pieces are sleeved with the locking pieces, the connecting pieces can turn upwards to be clamped into the first grooves and the second grooves, and the upper die and the lower die are connected and locked by screwing down the locking pieces; the two half molds are locked by turning over the connecting piece, so that the bolt can be prevented from falling off during mold opening, and the processing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PHC pile production, in particular to a flipping and tightening device for a PHC pile mold. Background Art

[0002] PHC piles, full name Prestressed High-intensity Concrete Pipe Pile (Prestressed High-intensity Concrete), are a kind of slender hollow precast concrete components with equal cross-sections produced by professional manufacturers. In the production process, advanced technologies such as prestressing by pre-tensioning method and adding finely ground materials and high-efficiency water reducing agent are adopted. The concrete is compacted by centrifugal dehydration and then cured by steam at normal pressure and high pressure twice. PHC piles have the characteristics of high pile body strength, strong penetration, stable and reliable quality, etc. They can withstand large anti-cracking bending moments and can remain intact in harsh construction environments.

[0003] The PHC pile mold is a special tool for manufacturing prestressed high-strength concrete (PHC pile). The process of manufacturing PHC piles usually includes steps such as pipe mold making, concrete mixing, concrete pouring, maintenance and demoulding. In the prior art, the PHC pile mold is usually an open and closed mold. Bolts and nuts are generally used to directly lock and fix the upper and lower molds. However, when demoulding, the bolts move freely in the holes. When the mold is opened, the bolts will slide down and fall off, which will affect the mold opening and the secondary mold installation. The bolts need to be reinserted into the holes one by one. Utility Model Content

[0004] The main purpose of the utility model is to provide a flipping and tightening device for a PHC pile mold, aiming to solve the above problem so that the bolts will not fall off when the mold is opened, thereby improving the processing efficiency.

[0005] To achieve the above-mentioned purpose, the utility model proposes a flipping and tightening device for a PHC pile mold, comprising an upper mold, a lower mold, a connecting piece and a locking piece. The upper mold and the lower mold are hinged together, and the two can be opened and closed. A plurality of first grooves are provided on the upper mold, and the lower mold is provided with a second groove corresponding to each first groove. The lower end of each second groove is hinged with the connecting piece, and the locking piece is sleeved on the connecting piece. The connecting piece can be flipped upward and inserted into the first groove and the second groove. The upper mold and the lower mold are connected and locked by tightening the locking piece.

[0006] Optionally, a mounting platform is provided on the lower mold, and the connecting member is hinged on the mounting platform.

[0007] Optionally, a rolling member is provided on the connecting member, and the rolling member is located in the mounting platform. A moving member is provided on the lower mold, and the moving member cooperates with the rolling member.

[0008] Optionally, a channel is provided on the lower mold, the channel leads to the interior of the mounting platform, and the moving part is installed in the channel.

[0009] Optionally, a boss is provided on the upper mold, and when the upper mold and the lower mold are covered, the boss extends into the channel to squeeze the movable member to move it downward.

[0010] Optionally, the rolling member is provided with a plurality of first protrusions, and the moving member is provided with a plurality of second protrusions, and the first protrusions and the second protrusions are meshed with each other.

[0011] Optionally, a limiting groove is further provided on the lower mold, and the limiting groove is located at the periphery of the channel and communicates with the channel.

[0012] Optionally, an elastic member is provided at the lower end of the movable member, and the elastic member abuts against the bottom of the limiting groove.

[0013] Optionally, a limit platform is provided on the movable member, and the limit platform is clamped in the limit groove.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The flipping and tightening device of the PHC pile mold of the utility model technical solution is provided with an upper mold, a lower mold, a connecting piece and a locking piece. The upper mold and the lower mold are hinged together and can be opened and closed. A plurality of first grooves are provided on the upper mold, and the lower mold is provided with a second groove corresponding to each first groove. The lower end of each second groove is hinged with the connecting piece, and the locking piece is sleeved on the connecting piece. The connecting piece can be flipped upward and inserted into the first groove and the second groove. The upper mold and the lower mold are connected and locked by tightening the locking piece. The two halves of the mold are locked by flipping the connecting piece, which can prevent the bolts from falling off when the mold is opened, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of an embodiment of a flipping and tightening device for a PHC pile mold of the utility model;

[0018] Figure 2It is a front view of an embodiment of a flipping and tightening device for a PHC pile mold of the utility model;

[0019] Figure 3 for Figure 2 A magnified detail of the center point A;

[0020] Figure 4 for Figure 1 A structural schematic diagram of the middle upper die;

[0021] Figure 5 for Figure 1 A structural schematic diagram of the middle and lower molds;

[0022] Figure 6 for Figure 1 A schematic diagram of a structure in which the middle locking member is installed on the connecting member;

[0023] Figure 7 It is a structural schematic diagram of the meshing of a moving part and a rolling part.

[0024] Description of Figure Numbers:

[0025]

[0026] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0030] The utility model provides a flipping and tightening device 100 for a PHC pile form.

[0031] See also Figure 1-Figure 7 In one embodiment of the utility model, the flipping and tightening device 100 of the PHC pile mold includes an upper mold 10, a lower mold 20, a connecting piece 30 and a locking piece 40. The upper mold 10 and the lower mold 20 are hinged together, and the two can be opened and closed. A plurality of first grooves 11 are provided on the upper mold 10, and the lower mold 20 is provided with a second groove 21 corresponding to each first groove 11. The lower end of each second groove 21 is hinged with the connecting piece 30, and the locking piece 40 is sleeved on the connecting piece 30. The connecting piece 30 can be flipped upward and inserted into the first groove 11 and the second groove 21. The upper mold 10 and the lower mold 20 are connected and locked by tightening the locking piece 40.

[0032] In this embodiment, the upper mold 10 and the lower mold 20 are both special molds for PHC piles made of steel. The molds made of steel have a strong, durable structure and a long service life, and are suitable for large concrete pile manufacturing plants. The plurality of first grooves 11 are arranged in sequence along the length direction of the upper mold 10, and the plurality of second grooves 21 are arranged along the length direction of the lower mold 20. Each first groove 11 corresponds to each second groove 21. When the upper mold 10 and the lower mold 20 are covered, the first grooves 11 and the second grooves 21 form a accommodating space.

[0033] The connecting member 30 includes a cross bar 31 and a vertical bar 32, wherein the cross bar 31 is vertically connected to the vertical bar 32, and the vertical bar 32 is welded to the cross bar 31. The cross bar 31 is hinged to the lower mold 20, so that the vertical bar 32 can be flipped with the cross bar 31 as the rotation axis, and the vertical bar 32 can be flipped and located in the accommodating space, and then the upper mold 10 and the lower mold 20 are connected and locked by tightening the locking member 40; wherein, the cross bar 31 is a cylindrical rod made of steel, the vertical bar 32 is a common stud, the locking member 40 can be a nut, and the locking member 40 is provided with a gasket 41, and the outer diameter of the gasket 41 is larger than the first groove 11 and the second groove 21.

[0034] In one embodiment of the utility model, a mounting platform 22 is provided on the lower mold 20, the cross bar 31 is hinged on the mounting platform 22, a rolling member 33 is provided on the cross bar 31, and the rolling member 33 is located in the mounting platform 22. A moving member 50 is provided on the lower mold 20, and the moving member 50 cooperates with the rolling member 33. A channel 23 is provided on the lower mold 20, and the channel 23 leads to the interior of the mounting platform 22. The moving member 50 is installed in the channel 23. A boss 12 is provided on the upper mold 10. When the upper mold 10 covers the lower mold 20, the boss 12 extends into the channel 23 to squeeze the moving member 50 to move it downward.

[0035] In this embodiment, the rolling member 33 is welded to the cross bar 31, and the material of the rolling member 33 can be made of steel; wherein, a plurality of first protrusions 34 are provided on the rolling member 33, and a plurality of second protrusions 52 are provided on the moving member 50, and the first protrusions 34 and the second protrusions 52 are meshed with each other, the rolling member 33 is in a circular ring shape, and the first protrusion 34 is arranged along the arc surface of the rolling member 33, the moving member 50 is a straight rod made of steel, and the second protrusion 52 is arranged along the length direction of the moving member 50, and the cross-sections of the first protrusion 34 and the second protrusion 52 are both semi-elliptical.

[0036] It can be understood that the first protrusion 34 and the second protrusion 52 are meshed with each other, and the principle is the same as that of gear transmission. When the upper mold 10 and the lower mold 20 are covered, the boss 12 extends into the channel 23 to squeeze the movable member 50 to move it downward. Through the coordinated transmission of the first protrusion 34 and the second protrusion 52, the movable member 50 drives the rolling member 33 to rotate during the downward pressing process, so that the vertical rod 32 automatically flips upward with the cross bar 31 as the rotating axis, which is convenient for workers to tighten the locking member 40. There is no need for workers to flip the connecting member 30 upward one by one by hand, thereby improving processing efficiency; when the locking member 40 is loosened to open the upper mold 10 and the lower mold 20, the boss 12 is disengaged from the movable member 50, and the movable member 50 returns to the initial position under the elastic force of the elastic member, and at the same time drives the rolling member 33 to rotate, so that the vertical rod 32 flips downward, and there is no need to manually disengage the connecting member 30 from the first groove 11 and the second groove 21 one by one.

[0037] In one embodiment of the utility model, a limiting groove 24 is further provided on the lower mold 20, and the limiting groove 24 is located at the periphery of the channel 23 and communicates with the channel 23. An elastic member 60 is provided at the lower end of the movable member 50, and the elastic member 60 abuts against the bottom of the limiting groove 24. A limiting platform 51 is provided on the movable member 50, and the limiting platform 51 is stuck in the limiting groove 24.

[0038] In this embodiment, the elastic member may be a spring, but is not limited thereto. The limiting platform 51 is stuck in the limiting groove 24 to prevent the moving member 50 from flying out of the lower mold 20 .

[0039] Working principle: when the upper mold 10 and the lower mold 20 are covered, the boss 12 squeezes the movable member 50 to move downward, and through the cooperation between the movable member 50 and the rolling member 33, the connecting member can automatically flip upward, which is convenient for employees to lock the locking member 40. There is no need for workers to flip the connecting members 30 upward one by one by hand, thereby improving processing efficiency; when the locking member 40 is loosened to open the upper mold 10 and the lower mold 20, the boss 12 is disengaged from the movable member 50, and the movable member 50 returns to the initial position under the elastic force of the elastic member, and at the same time drives the rolling member 33 to rotate, so that the vertical rod 32 flips downward, and there is no need to manually disengage the connecting member 30 from the first groove 11 and the second groove 21 one by one.

[0040] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A PHC pile mold flipping and tightening device, characterized in that: It includes an upper mold, a lower mold, a connecting piece and a locking piece. The upper mold and the lower mold are hinged together and can be opened and closed. The upper mold is provided with a plurality of first grooves. The lower mold is provided with a second groove corresponding to each first groove. The lower end of each second groove is hinged with the connecting piece. The locking piece is sleeved on the connecting piece. The connecting piece can be flipped upward and inserted into the first groove and the second groove. The upper mold and the lower mold are connected and locked by tightening the locking piece.

2. The turning and tightening device for PHC pile formwork according to claim 1, characterized in that: The lower mold is provided with a mounting platform, and the connecting member is hinged on the mounting platform.

3. The turning and tightening device for PHC pile formwork according to claim 2, characterized in that: A rolling member is arranged on the connecting member, and the rolling member is located in the mounting platform. A moving member is arranged on the lower die, and the moving member cooperates with the rolling member.

4. The turning and tightening device for PHC pile formwork according to claim 3, characterized in that: The lower mold is provided with a channel, the channel leads to the interior of the mounting platform, and the moving part is installed in the channel.

5. The turning and tightening device for PHC pile formwork according to claim 4, characterized in that: The upper die is provided with a boss, and when the upper die is covered with the lower die, the boss extends into the channel to squeeze the moving part to move it downward.

6. The turning and tightening device for PHC pile formwork according to claim 3, characterized in that: The rolling member is provided with a plurality of first protrusions, and the moving member is provided with a plurality of second protrusions, and the first protrusions and the second protrusions are meshed with each other.

7. The turning and tightening device for PHC pile formwork according to claim 4, characterized in that: The lower die is also provided with a limiting groove, which is located at the periphery of the channel and communicates with the channel.

8. The turning and tightening device for PHC pile formwork according to claim 7, characterized in that: An elastic member is disposed at the lower end of the moving member, and the elastic member abuts against the bottom of the limiting groove.

9. The turning and tightening device for PHC pile formwork according to claim 8, characterized in that: The movable member is provided with a limiting platform, and the limiting platform is clamped in the limiting groove.

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