CN211362783U

CN211362783U - Concrete prefabricated part prestress mould

Info

Publication number: CN211362783U
Application number: CN201921881050.XU
Authority: CN
Inventors: 詹宁
Original assignee: Chuzhou Modern Construction Technology Co Ltd
Current assignee: Chuzhou Modern Construction Technology Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-08-28
Anticipated expiration: 2029-11-04

Abstract

The utility model provides a concrete prefabricated part pre-stressing die, which comprises a lower die and an upper die, wherein the device vibrates concrete through a vibrating motor, heats unformed concrete through heating an inner die by a heating wire, extrudes and shapes the unformed concrete through a pressing plate, and ejects a formed concrete prefabricated part through a pneumatic cylinder; the utility model discloses a vibrating motor replaces traditional artifical vibration, manpower and the time of vibrating have also been saved when making the concrete compactness strengthen, generate heat through the heating wire, make the concrete setting shaping with higher speed, the production efficiency is promoted, the design setting that compresses tightly through the clamp plate, make the concrete outward appearance reduce quality problems such as gas pocket, honeycomb, cavity, pitted skin, thereby product quality has been promoted, through the setting of pneumatic cylinder, it is more convenient to make collecting of the concrete prefab after the shaping, thereby finished product collection efficiency has been improved.

Description

Concrete prefabricated part prestress mould

Technical Field

The utility model relates to a prestressed concrete prefab processing field especially relates to a concrete prefab prestressing force mould.

Background

The prestressed concrete is to compensate the early crack of the concrete, before the member is used, a prestress is given to the concrete in advance, namely, the reinforcing steel bars are tensioned in a tension area of the concrete by a manual force method, and the tension area of the concrete is stressed in advance by utilizing the retraction force of the reinforcing steel bars. This stored prestressing force, when the element is subjected to a tensile force generated by an external load, first counteracts the prestressing force in the concrete in the tension zone and then, as the load increases, puts the concrete in tension, which limits the elongation of the concrete and delays or does not cause cracks to appear, which is called prestressed concrete pre-form.

Present prestressed concrete prefab production and processing because prestressing force stretch-draw has been smashed for the concrete and has vibrated and produced the interference, and there is appearance quality problems such as gas pocket, honeycomb, cavity, pitted skin in current prestressed mould, and the concrete not only setting speed is slow when machine-shaping, still needs the closely knit degree that artifical vibration improved the concrete, wastes time and energy, and the mould of integration leads to the precast concrete shaping after to get a inconvenient, consequently the utility model provides a precast concrete prefab prestressed mould is in order to solve the problem among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a concrete prefab prestressing force mould for solve in the above-mentioned technical background laminate flooring production process closely knit degree of prefab not enough, outward appearance defect, concrete setting speed slow, artifical vibrate and artifical problem that a waste time and energy of getting.

In order to achieve the above object, the utility model provides a concrete prefabricated part prestressing force mould, which comprises a lower mould and an upper mould, wherein the lower mould is internally provided with an inner mould, the bottom end of the outer part of the inner mould is fixed at the bottom end of the inner part of the lower mould through a supporting spring, four side surfaces of the outer part of the inner mould are respectively fixed at four side surfaces of the inner part of the lower mould through linear springs, and a layer of supporting plate is fixed in the inner part of the inner mould;

go up mould and lower mould looks adaptation, the inside of going up the mould be equipped with centre form adaptation clamp plate, the central point of clamp plate upper surface puts and is connected with the threaded rod through the bearing, the threaded rod runs through the body of mould and installs the carousel through the screw thread, the bilateral symmetry of clamp plate is fixed with the gag lever post, and is two sets of the gag lever post runs through the body of mould and is fixed with the stopper through the bearing respectively.

The further improvement lies in that: and a vibration motor is arranged between the bottom of the inner die and the supporting plate and is arranged at the bottom of the supporting plate through a vibration column.

The further improvement lies in that: vibrating motor's bilateral symmetry is equipped with the pneumatic cylinder, and is two sets of the bottom mounting of pneumatic cylinder is in the bottom of centre form, the top of pneumatic cylinder slides and runs through the body of backup pad and installs the liftout plate with backup pad sliding connection, the upper surface of liftout plate is a water flat line with the upper surface of backup pad and keeps level.

The further improvement lies in that: the heating device is characterized in that communicated U-shaped heat pipes are arranged inside the inner die and the supporting plate, heating wires are arranged inside the U-shaped heat pipes, and the U-shaped heat pipes are at least provided with two groups and are symmetrical in position.

The further improvement lies in that: the buckle is installed to the combination department of lower mould and last mould, the buckle is equipped with six groups and symmetry equidistance installation at least.

The utility model has the advantages that: this precast concrete prestressing force mould includes lower mould and last mould, vibration motor through in the lower mould replaces the manual work to vibrate the concrete, the closely knit degree of concrete has been strengthened, product quality has been improved, the extrusion design to the concrete through the clamp plate, gas pocket in the precast concrete, the honeycomb, the cavity, appearance defects such as pitted surface, heating wire through in the U type heat pipe generates heat, the solidification rate that makes the concrete accelerates, thereby the production efficiency of product has been promoted, concrete precast concrete after the shaping is ejecting through pneumatic cylinder and liftout plate at last, make collecting labour saving and time saving of the precast concrete after the shaping.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a side sectional view of the present invention.

Wherein: 1. a lower die; 2. an upper die; 3. an inner mold; 4. a support spring; 5. a linear spring; 6. a support plate; 7. pressing a plate; 8. a threaded rod; 9. a turntable; 10. a limiting rod; 11. a limiting block; 12. a vibration motor; 13. a vibrating column; 14. a pneumatic cylinder; 15. ejecting the plate; 16. a U-shaped heat pipe; 17. an electric heating wire; 18. and (5) buckling.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to fig. 1, 2, 3 and 4, the embodiment provides a pre-stressed die for a concrete prefabricated member, which includes a lower die 1 and an upper die 2, wherein an inner die 3 is arranged inside the lower die 1, the bottom end of the outer part of the inner die 3 is fixed to the bottom end of the inner part of the lower die 1 through a support spring 4, four side surfaces of the outer part of the inner die 3 are respectively fixed to four side surfaces of the inner part of the lower die 1 through linear springs 5, the inner die 3 is supported and damped through two types of springs, and a layer of support plate 6 is fixed inside the inner die 3;

go up

mould

2 and 1 looks adaptation of lower mould, the inside of going up mould 2 is equipped with and 3 adaptation clamp plates 7 of centre form, the central point of clamp plate 7 upper surface puts and is connected with threaded rod 8 through the bearing, threaded rod 8 runs through the body of going up mould 2 and installs carousel 9 through the screw thread, the bilateral symmetry of clamp plate 7 is fixed with gag lever post 10, and is two sets of gag lever post 10 runs through the body of going up mould 2 and is fixed with spacing piece 11 through the bearing respectively, extrudees the design through rising step-down plate 7 to the concrete prefabricated part.

In this embodiment, a vibration motor 12 is arranged between the bottom of the inner mold 3 and the supporting plate 6, the vibration motor 12 is installed at the bottom of the supporting plate 6 through a vibration column 13, and the vibration motor 12 drives concrete to vibrate, so that manual vibration is replaced.

In this embodiment, vibrating motor 12's bilateral symmetry is equipped with pneumatic cylinder 14, and is two sets of the bottom mounting of pneumatic cylinder 14 is in the bottom of centre form 3, the top of pneumatic cylinder 14 slides and runs through the body of backup pad 6 and installs the liftout plate 15 with backup pad 6 sliding connection, the upper surface of liftout plate 15 is a water flat line with the upper surface of backup pad 6 and keeps level, through the concrete prefabricated component after 14 drive liftout plates 15 upwards ejecting shaping of pneumatic cylinder to the finished product of being convenient for takes out the collection.

In this embodiment, the inside of centre form 3 and backup pad 6 is equipped with the U type heat pipe 16 of intercommunication, the internally mounted of U type heat pipe 16 has heating wire 17, U type heat pipe 16 is equipped with two sets of and position symmetry at least, generates heat through heating wire 17, makes the moisture in the concrete in the centre form 3 evaporate with higher speed to concrete setting with higher speed improves production efficiency.

In this embodiment, buckle 18 is installed in the combination department of lower mould 1 and last mould 2, buckle 18 is equipped with six groups and symmetry equidistance installation at least, plays fixed locking effect through buckle 18 to lower mould 1 after the closure with last mould 2.

Firstly opening the buckle 18 and taking down the upper die 2, then putting unformed concrete and prestressed reinforcement into the inner die 3, then opening the vibration motor 12 to generate vibration force to the inner die 3, thereby replacing manpower to vibrate the concrete, improving the compactness of the concrete, after vibrating, closing the vibration motor 12, closing the upper die 2 and the lower die 1 and locking the buckle 18, then adjusting the pressing plate 7 to a proper position through the rotary turntable 9 so as to extrude and shape the concrete, finally driving the heating wire 17 to generate heat, heating the inner die, thereby accelerating the evaporation of concrete moisture to solidify and shape the concrete in advance, after the concrete prefabricated part is completely shaped, firstly closing the heating wire 17 and adjusting the pressing plate 7 to the position, then opening the buckle 18 to take down the upper die 2, then opening the pneumatic cylinder 14 to drive the ejecting plate 15 to eject the concrete prefabricated part formed by the pneumatic cylinder, thereby facilitating the worker to take the article.

This precast concrete prestressing force mould includes lower mould 1 and last mould 2, vibration motor 12 through in the lower mould 1 replaces the manual work to vibrate the concrete, the closely knit degree of concrete has been strengthened, product quality has been improved, the extrusion design to the concrete through clamp plate 7, gas pocket in the precast concrete, the honeycomb, it is hollow, appearance defects such as pitted surface, heating wire 17 through in the U type heat pipe 16 generates heat, make the solidification speed of concrete accelerate, thereby the production efficiency of product has been promoted, concrete precast element after the shaping is ejecting through pneumatic cylinder 14 and liftout plate 15 at last, make the precast concrete precast element after the shaping collect labour saving and time saving.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A concrete precast element prestressing force mould which characterized in that: the die comprises a lower die (1) and an upper die (2), wherein an inner die (3) is arranged inside the lower die (1), the bottom end of the outer part of the inner die (3) is fixed at the bottom end of the inner part of the lower die (1) through a supporting spring (4), four side surfaces of the outer part of the inner die (3) are respectively fixed at four side surfaces of the inner part of the lower die (1) through linear springs (5), and a layer of supporting plate (6) is fixed inside the inner die (3);

go up mould (2) and lower mould (1) looks adaptation, the inside of going up mould (2) is equipped with clamp plate (7) with centre form (3) adaptation, the central point of clamp plate (7) upper surface puts and is connected with threaded rod (8) through the bearing, threaded rod (8) run through the body of last mould (2) through the screw thread and install carousel (9), the bilateral symmetry of clamp plate (7) is fixed with gag lever post (10), and is two sets of gag lever post (10) run through the body of last mould (2) through the bearing respectively and are fixed with spacing block (11).

2. The pre-stressing die for concrete precast member according to claim 1, wherein: a vibration motor (12) is arranged between the bottom of the inner die (3) and the supporting plate (6), and the vibration motor (12) is installed at the bottom of the supporting plate (6) through a vibration column (13).

3. A pre-stressing die for concrete pre-forms according to claim 2, wherein: the bilateral symmetry of vibrating motor (12) is equipped with pneumatic cylinder (14), and is two sets of the bottom mounting of pneumatic cylinder (14) is in the bottom of centre form (3), the top of pneumatic cylinder (14) slides and runs through the body of backup pad (6) and installs ejector plate (15) with backup pad (6) sliding connection, the upper surface of ejector plate (15) is a horizontal line with the upper surface of backup pad (6) and keeps level.

4. The pre-stressing die for concrete precast member according to claim 1, wherein: the heating device is characterized in that communicated U-shaped heat pipes (16) are arranged inside the inner die (3) and the supporting plate (6), heating wires (17) are arranged inside the U-shaped heat pipes (16), and the U-shaped heat pipes (16) are at least provided with two groups and are symmetrical in position.

5. The pre-stressing die for concrete precast member according to claim 1, wherein: buckle (18) are installed to the combination department of lower mould (1) and last mould (2), buckle (18) are equipped with six groups and symmetry equidistance installation at least.