CN115592779A

CN115592779A - Cement prefabricated part mould

Info

Publication number: CN115592779A
Application number: CN202211320980.4A
Authority: CN
Inventors: 王立新; 宋文豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-13

Abstract

The invention belongs to the technical field of prefabricated part moulds, and particularly relates to a cement prefabricated part mould which comprises a shell, wherein the shell is divided into an inner mould and an outer mould, the bottom of the inner mould is of a hollow structure, a bottom plate is connected in the inner mould in a sliding manner, and the inner mould is connected with the outer mould in a sliding manner in the front-back direction; still including vibration subassembly and drive assembly, drive the vibration subassembly through drive assembly for cement is at preparation injection molding mould in-process, and mould self constantly rocks and then reduces the space between the cement in the mould, and then improves the mixing homogeneity of cement.

Description

Cement prefabricated part mould

Technical Field

The invention belongs to the technical field of prefabricated part molds, and particularly relates to a cement prefabricated part mold.

Background

The cement member is short for a cement prefabricated structural member, and the cement prefabricated member is generally used for municipal road construction, water supply and drainage construction or civil engineering building construction; in the manufacturing process of the cement prefabricated member, a cement prefabricated member mould is often required to be utilized, so that the cement prefabricated members in the same batch can be conveniently produced for multiple times;

in the manufacturing process of the cement prefabricated member in the prior art, cement is directly injected into a mold, a firm cement prefabricated member is obtained after long-time standing, and the mold is only a container for bearing the cement;

in actual manufacturing, concrete is directly poured into the mould, and the mode easily causes gaps in the concrete in the mould, so that the defect of uneven mixing of the concrete in the mould exists, and the quality of a product is influenced;

in view of this, the present invention provides a cement preform mold to solve the above technical problems.

Disclosure of Invention

The technical problem to be solved by the invention is that concrete is directly poured into the mould during actual manufacturing, and the concrete in the mould is easy to generate gaps in the way, so that the defect of uneven mixing of the concrete in the mould exists, and the quality of a product is influenced;

the invention provides a cement prefabricated part mould which comprises a shell, wherein the shell is divided into an inner mould and an outer mould, the bottom of the inner mould is of a hollow structure, a bottom plate is connected in the inner mould in a sliding manner, and the inner mould and the outer mould are connected in a sliding manner in the front-back direction; further comprising:

the vibration assembly is positioned between the inner die and the outer die in the left-right direction and is used for enabling cement to be uniformly filled in the inner die;

and the driving assembly is positioned at the bottom of the shell and used for providing power for the vibration assembly and enabling cement to be stably molded.

Preferably, the driving assembly includes:

the motor is fixedly connected to the bottom of the outer die;

the rotating shaft is fixedly connected to the output end of the motor and penetrates through the outer die and the inner die;

the cam is arranged on the rotating shaft and is positioned on the inner side of the inner die;

the swing rod is hinged to the inner side of the bottom of the outer die, the free end of the swing rod is fixedly connected with the bottom of one of the front side and the rear side of the inner die, and the middle section of the swing rod is fixedly connected with a first spring.

Preferably, the vibration assembly includes:

the second spring is fixedly connected to the inner wall of the outer die;

the baffle is fixedly connected to the free end of the second spring and is connected with the left side and the right side of the inner die in a sliding manner;

the top covers are fixedly connected to the tops between the outer molds and the baffle plates, and the number of the top covers is two;

the first air bag is fixedly connected to the front side and the rear side of the inner mold, close to the cam, a first air pipe is connected to a cavity between the first air bag and the outer mold as well as between the first air bag and the baffle, and a one-way valve is fixedly connected in the first air pipe;

no. two gasbags, no. two gasbag rigid couplings are between bottom plate and external mold bottom, cavity department is connected with No. two trachea between No. two gasbags and external mold and the baffle, and No. two trachea junction rigid couplings have an electronic valve.

Preferably, a through groove is formed in the center of the joint of the second air bag and the bottom plate, and a second electronic valve is installed in the through groove.

Preferably, a sealing ring is arranged at the sliding connection part of the bottom plate and the inner die.

Preferably, the outer mold is assembled by plates, the plates are connected by a pin, and one of the plates is hinged with a cover.

Preferably, the first air bag and the second air bag are made of nitrile rubber, and the inner mold and the bottom plate are made of PTFE.

Preferably, the cam is of a hollow structure, and an iron block is installed in a cavity in the cam.

Preferably, the top cover is made of methyl vinyl silicone rubber or sealing cloth.

Preferably, the top of the left side and the top of the right side of the inner die and the side edge of the bottom plate are fixedly connected with magnets.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the cement prefabricated part mould provided by the invention, the driving assembly drives the vibration assembly, so that the mould is continuously shaken during the process of manufacturing the injection molding part mould by cement, the gap between the cement in the mould is reduced, and the mixing uniformity of the cement is improved.

2. According to the cement prefabricated part mould provided by the invention, the cement prefabricated part can be separated from the mould after being successfully manufactured by lifting the second air bag, so that the convenience of demoulding is improved.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of a front view of the present invention;

FIG. 3 is a top view of the present invention at gear number two;

fig. 4 is an enlarged view of fig. 3 at a.

In the figure: the device comprises a shell 1, an inner die 11, an outer die 12, a bottom plate 13, a motor 21, a rotating shaft 22, a cam 23, a swing rod 24, a first spring 25, a second spring 31, a baffle 32, a top cover 33, a first air bag 34, a second air bag 36, a through groove 4, a sealing ring 5 and a sealing cover 6.

Detailed Description

In order to make the purpose and technical solutions of the embodiments of the present invention clearer and more completely describe the technical solutions in the embodiments of the present invention, based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention; in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientation or positional relationship shown in the drawings, and do not necessarily indicate that the device as referred to must have a particular orientation, be constructed and operated in a particular orientation; also, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be construed broadly, e.g., as being fixed, detachable, or integral; they may be mechanically connected, indirectly connected through an intermediate medium, or connected through an intermediate medium.

A cement prefabricated part mould comprises a shell 1, wherein the shell is divided into an inner mould 11 and an outer mould 12, the bottom of the inner mould 11 is of a hollow structure, a bottom plate 13 is connected in the inner mould 11 in a sliding mode, and the inner mould 11 and the outer mould 12 are connected in a sliding mode in the front-back direction; further comprising:

the vibration assembly is positioned between the inner die 11 and the outer die 12 in the left-right direction and is used for enabling cement to be uniformly filled in the inner die 11;

the driving assembly is positioned at the bottom of the shell 1 and used for providing power for the vibration assembly and enabling cement to be stably molded;

the inner die 11 and the outer die 12 are assembled by plate pins, and one plate is detachably hinged with a sealing cover 6;

when the cement prefabricated part needs to be manufactured, a worker selects a proper plate block to assemble the inner mold 11 and the outer mold 12 according to needs, after the shell 1 and components inside the shell 1 are fixed, a release agent is smeared on the inner mold 11 and the bottom plate 13, cement is poured into the inner mold 11, falls on the bottom plate 13 and gradually accumulates upwards, at the moment, the driving component is started to drive the vibration component to work, when the bottom plate 13 reaches the bottom of the inner mold 11, the worker can observe the rising amount of the cement through the upper part of the inner mold 11, when the cement reaches the amount required by the worker, the driving component is closed, the vibration component stops working, the top end of the cement prefabricated part is leveled, the sealing cover 6 is covered, the cement prefabricated part is placed for a period of time, after the cement prefabricated part is solidified, the sealing cover 6 is opened, and the cement prefabricated part is taken out;

according to the invention, the driving assembly drives the vibration assembly, so that the mould is continuously shaken during the process of manufacturing the injection molding mould by cement, thereby reducing the gaps among the cement in the mould and further improving the mixing uniformity of the cement.

As an embodiment of the present invention, the driving assembly includes:

the motor 21 is fixedly connected to any one of the front side and the rear side of the bottom of the outer die 12;

the rotating shaft 22 is fixedly connected to the output end of the motor 21, and the rotating shaft 22 penetrates through the outer die 12 and the inner die 11 to reach the other end;

the cam 23 is arranged on the rotating shaft 22, the cam 23 is positioned on the inner side of the inner die 11, and the cam 23 is rotationally connected with the rotating shaft 22;

the swing rod 24 is hinged to the inner side of the bottom of the outer mold 12, the free end of the swing rod 24 is fixedly connected with the bottoms of the front side and the rear side of the inner mold 11, and a first spring 25 is fixedly connected to the middle section of the swing rod 24;

the vibration assembly includes:

the second spring 31, the second spring 31 is fixedly connected with the inner wall of the outer die 12;

the baffle 32 is fixedly connected to the free end of the second spring 31, and the inner mold 11 is positioned between the baffles 32;

the top cover 33 is detachably and fixedly connected to the top between the outer die 12 and the baffle 32, and the number of the top covers 33 is two;

the first air bag 34 is fixedly connected to the front side and the rear side of the inner die 11 close to the cam 23, a first air pipe is connected to a cavity between the first air bag 34 and the outer die 12 and between the first air bag and the baffle 32, and a check valve is fixedly connected in the first air pipe;

after the inner mold 11 and the outer mold 12 are assembled, a release agent is coated on the surfaces of the inner mold 11 and the bottom plate 13, cement is poured onto the bottom plate 13, the motor 21 is started at the moment, the rotating shaft 22 drives the cam 23 to rotate, due to the fact that the second spring 31 is adopted, the inertia of the cam 23 and the pulling force of the swing rod 24 enable the inner mold 11 to swing left and right between the baffle plates 32, the middle section of the swing rod 24 is the first spring 25, the swing rod 24 cannot push the left side and the right side of the inner mold 11 to jack up in the swinging process of the inner mold 11, meanwhile, the first air bag 34 is extruded when the cam 23 rotates, the first air bag 34 is continuously inflated towards the cavity between the outer mold 12 and the baffle plates 32 (the first air bag 34 is communicated with the outside, and a one-way valve is fixedly connected at a ventilation position), the cavity between the outer mold 12 and the baffle plates 32 is continuously expanded, the baffle plates 32 clamp the inner mold 11, the cement prefabricated member is fastened, the poured is stable, and the condition that the cement prefabricated member is uneven in the later period is caused by swinging is reduced;

the top cover 33 is made of methyl vinyl silicone rubber or sealing cloth, so that when the gas between the outer mold 12 and the baffle 32 is difficult to escape, the expansion effect can be achieved along with the movement of the baffle 32, and meanwhile, the top cover is detachable, so that the gas between the outer mold 12 and the baffle 32 can be conveniently released after pouring is finished, and further, the demolding of the cement prefabricated member is facilitated.

As a specific embodiment of the invention, a second air bag 36 is fixedly connected between the bottom plate 13 and the inner bottom of the outer die 12, a second air pipe is connected between the second air bag 36 and the cavity between the outer die 12 and the baffle 32, and a first electronic valve is fixedly connected at the joint of the second air pipe; a through groove 4 is formed in the center of the joint of the second air bag 36 and the bottom plate 13, and a second electronic valve is installed in the through groove 4; the top parts of the left side and the right side of the inner die 11 and the side edge of the bottom plate 13 are fixedly connected with magnets;

when the cement prefabricated member is successfully poured, a worker controls the switch to transmit an electric signal to the electronic valve I, the electronic valve I is opened, gas in a cavity between the outer mold 12 and the baffle 32 flows to the air bag II 36 through the air pipe II, the air bag II 36 is bulged and simultaneously jacks the bottom plate 13 upwards, so that the cement prefabricated member is lifted upwards, the demolding effect is achieved, then the electronic valve II is opened, the gas in the air bag II 36 pushes the cement prefabricated member upwards through the through groove 4, when the bottom plate 13 moves to the top of the inner mold 11, the magnet on the side surface of the bottom plate 13 is attached to the magnet on the inner wall of the top of the inner mold 11, the bottom plate 13 is conveniently separated from the cement prefabricated member, wind blown out from the through groove 4 can improve the convenience of separation of the bottom plate 13 from the cement prefabricated member, on the other hand, cement residues on the surface of the bottom plate 13 can be cleaned after the cement prefabricated member is separated, the difficulty of manual cleaning is reduced, and the convenience of cleaning is improved; the motor 21 is then turned off, compressing the bottom plate 13 back to the bottom end of the inner mold 11, and the electronic valve number two is closed for the next operation.

As a specific embodiment of the present invention, a sealing ring 5 is detachably and fixedly mounted at a sliding connection portion between the bottom plate 13 and the inner mold 11, and an upper surface of the sealing ring 5 and an upper surface of the bottom plate 13 are kept horizontal, so that on one hand, cement liquid is reduced to flow below the bottom plate 13 along a gap between the bottom plate 13 and the inner mold 11, on the other hand, the inner surface of the inner mold 11 can be scraped during demolding, so that difficulty in manual cleaning is reduced, and when the bottom plate 13 moves above the inner mold 11, the sealing ring 5 can be replaced and cleaned at any time.

As a specific embodiment of the present invention, the first air bag 34 and the second air bag 36 are made of nitrile rubber, so as to reduce the damage of the first air bag 34 caused by abrasion when the first air bag 34 and the cam 23 rub against each other, and reduce the abrasion of the second air bag 36 due to multiple stretching; the inner mold 11 and the bottom plate 13 are made of PTFE, so that cement is difficult to corrode the inner mold 11 and the bottom plate 13 and the sealing performance of the inner mold and the bottom plate is ensured.

As a specific embodiment of the present invention, the cam 23 is a hollow structure, and an iron block is installed in a cavity inside the cam 23, so that the cam 23 provides greater inertia when rotating, thereby increasing the vibration amplitude of the internal mold and improving the uniformity of cement.

The specific working process is as follows:

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. The present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principle of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are within the scope of the present invention as claimed.

Claims

1. A cement prefabricated part mould comprises a shell (1), wherein the shell is divided into an inner mould (11) and an outer mould (12), the bottom of the inner mould (11) is of a hollow structure, a bottom plate (13) is connected in the inner mould (11) in a sliding mode, and the inner mould (11) is connected with the outer mould (12) in a sliding mode in the front-back direction; the method is characterized in that: further comprising:

the vibration assembly is positioned between the inner die (11) and the outer die (12) in the left-right direction and is used for enabling cement to uniformly fill the inner die (11);

and the driving assembly is positioned at the bottom of the shell (1) and used for providing power for the vibration assembly and enabling cement to be stably molded.

2. A cement preform mould as claimed in claim 1, wherein: the drive assembly includes:

the motor (21), the said motor (21) is fixedly connected to the bottom of the external mold (12);

the rotating shaft (22), the rotating shaft (22) is fixedly connected to the output end of the motor (21), and the rotating shaft (22) penetrates through the outer die (12) and the inner die (11);

the cam (23), the said cam (23) is mounted on axis of rotation (22) and the cam (23) locates at the inside of the internal mold (11);

the swing rod (24) is hinged to the inner side of the bottom of the outer mold (12), the free end of the swing rod (24) is fixedly connected with the bottom of one of the front side and the rear side of the inner mold (11), and a first spring (25) is fixedly connected with the middle section of the swing rod (24).

3. A cement preform mould as claimed in claim 1, wherein: the vibration assembly includes:

the second spring (31), the second spring (31) is fixedly connected to the inner wall of the outer die (12);

the baffle (32), the said baffle (32) is fixed to the free end of the second spring (31) and the baffle (32) is connected with the left and right sides of the internal mold (11) slidably;

the top covers (33), the top covers (33) are fixedly connected to the tops between the outer die (12) and the baffle plates (32), and the number of the top covers (33) is two;

the first air bag (34) is fixedly connected to the front side and the rear side of the inner mold (11) close to the cam (23), a first air pipe is connected to a cavity between the first air bag (34) and the outer mold (12) and between the first air bag and the baffle (32), and a one-way valve is fixedly connected in the first air pipe;

no. two gasbag (36), no. two gasbag (36) rigid couplings are between bottom in bottom plate (13) and external mold (12), cavity department is connected with No. two trachea between No. two gasbag (36) and external mold (12) and baffle (32), and No. two trachea junction rigid couplings have an electronic valve.

4. A cement preform mould as claimed in claim 3, wherein: a through groove (4) is formed in the center of the joint of the second air bag (36) and the bottom plate (13), and a second electronic valve is installed in the through groove (4).

5. A cement preform mould as claimed in claim 1, wherein: and a sealing ring (5) is arranged at the sliding connection part of the bottom plate (13) and the inner die (11).

6. A cement preform mould as claimed in claim 1, wherein: the outer die (12) is assembled by plates which are connected through a pin, and one plate is hinged with a sealing cover (6).

7. A cement preform mould as claimed in claim 3, wherein: the first air bag (34) and the second air bag (36) are made of nitrile rubber, and the inner mold (11) and the bottom plate (13) are made of PTFE.

8. A cement preform mould as claimed in claim 2, wherein: the cam (23) is of a hollow structure, and an iron block is arranged in a cavity in the cam (23).

9. A cement preform mould as claimed in claim 3, wherein: the top cover (33) is made of methyl vinyl silicone rubber or sealing cloth.

10. A cement preform mould as claimed in claim 1, wherein: and magnets are fixedly connected to the tops of the left side and the right side of the inner die (11) and the side edge of the bottom plate (13).