CN114311233B

CN114311233B - Temperature control device for forming concrete prefabricated member

Info

Publication number: CN114311233B
Application number: CN202210052963.0A
Authority: CN
Inventors: 贾镠平; 胡伟祥; 贾庆联; 李满瑞
Original assignee: Harbin Futai Green Building Materials Co ltd
Current assignee: Harbin Futai Green Building Materials Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-12-09
Anticipated expiration: 2042-01-18
Also published as: CN114311233A

Abstract

The invention discloses a temperature control device for forming a concrete prefabricated part, which comprises an inner heating device arranged in a forming cavity and an outer heating device arranged outside the forming cavity, wherein the inner heating device comprises a front end part, a middle end part and a tail end part, the front end part comprises an electric connecting piece for providing a power source for the inner heating device and the outer heating device and a driving device arranged on the outer wall of the front end part, the middle end part comprises a compression piece for extruding concrete, a heating core is arranged in the compression piece, the tail end part comprises a tail pipe, a heat conductor is arranged in the tail pipe, a heating tail core connected with the heating core is arranged in the heat conductor, a plug is arranged at the tail end of the tail pipe, the outer heating device comprises a heat conduction pipe, the heat conduction pipe is connected with a heat source, the heating core is prefabricated, the manufacturing difficulty is reduced, the installation and the use are convenient, the temperature control of the concrete is realized, and the production efficiency is improved.

Description

Temperature control device for forming concrete prefabricated member

Technical Field

The invention relates to the technical field of concrete forming equipment, in particular to a temperature control device for forming a concrete prefabricated part.

Background

The product that uses wall body board equipment production in concrete processing production is from starching, major ingredient, shop cloth, compound, and the one-time production process of accomplishing whole board is carried out in the repression, and wall body board equipment degree of automation is high, operates steadily, and the specification is adjusted wantonly. The product surfacing of wall body board equipment production, smooth, closely knit degree is high, has really realized the industrialization streamlined production of novel building partition wall panel, greatly reduced production workman's intensity of labour, the extruder is as the important component in the wallboard production facility, extrudes thick liquids and then implements operation on next step through the reamer, plays indispensable effect.

In the existing production equipment, the stirred slurry is extruded and molded in an extruder by the extruder, and then is dried, cured and molded. However, in the prior art production, the extruder is not provided with a temperature adjusting device, so that the curing and forming time is greatly influenced by the ambient temperature and humidity. If the curing and forming time is too long, the formed wallboard cannot be cut, collected and stored, the cycle period is increased, and the production efficiency is influenced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a temperature control device for forming a concrete prefabricated part.

The invention is realized by the following technical scheme: a temperature control device for forming a concrete prefabricated part comprises an inner heating device arranged in a forming cavity and an outer heating device arranged outside the forming cavity, wherein the inner heating device comprises a front end part, a middle end part and a tail end part, the front end part comprises an electric connector for providing a power source for the inner heating device and the outer heating device and a driving device arranged on the outer wall of the front end part;

the middle end part comprises a compression piece for extruding concrete, and a heating core is arranged in the compression piece;

the tail end comprises a tail pipe, a heat conductor is arranged in the tail pipe, a heating tail core connected with the heating core is arranged in the heat conductor, and a plug is arranged at the tail end of the tail pipe;

the external heating device comprises a heat conduction pipe, and the heat conduction pipe is connected with a heat source.

Preferably, the front end portion includes first pipe, electric connector includes the sliding ring, the sliding ring is connected with elastic contact, the contact is connected with the power, drive arrangement is drive gear, drive gear cup joints on the outer wall of first pipe, first pipe is provided with the ring flange in the one end of keeping away from the sliding ring, be provided with the reinforcing plate between ring flange and the first pipe, the reinforcing plate is the set-square.

Preferably, the compression piece includes the reamer, the reamer includes the main shaft, the main shaft is the toper, be provided with helical blade on the main shaft outer wall, be provided with on the main shaft be used for with preceding end connection's ring flange, be provided with the through-hole that is used for the installation core that generates heat along the axis direction in the main shaft, the inherent nearly ring flange one end of through-hole is provided with the locating plate, the core that generates heat includes heat conduction shell and the electric heating rod of setting in the heat conduction shell, heat conduction shell one end is provided with the extension pipe, be provided with the female plug of aviation in the extension pipe, the female plug of aviation is connected with the aviation public plug that sets up tip in the front, the female plug of aviation passes through the wire and is connected with the stick that generates heat that sets up in the heat conduction shell, the heat conduction shell is provided with the mounting groove that is used for fixed heat conductor in the one end of keeping away from the extension pipe.

Preferably, the locating plate is circular, a locating pin is arranged on the locating plate, the diameter of the extension pipe is smaller than that of the heat conduction shell, and a counter bore in pin connection with the locating pin is arranged on the end face of one end of the extension pipe on the heat conduction shell.

Preferably, the heat conductor includes heat conductor and lower heat conductor, be provided with the chamber that holds that is used for the installation tail core that generates heat in the heat conductor, go up the heat conductor and pin joint between the heat conductor down, heat conductor one end is provided with the erection column that is used for being connected with the mounting groove.

Preferably, the tail core of generating heat passes through the wire and is connected with the heat conductor, be provided with the recess on the tail core of generating heat, be provided with on the inner wall of heat conductor with recess complex protruding stupefied, the terminal of the tail core of generating heat and the terminal parallel and level of heat conductor, be provided with protruding and the sunken gomphosis of setting on the tail pipe on the outer wall of heat conductor.

Preferably, the tail pipe is welded at the tail part of the main shaft, and the diameter of the tail pipe is equal to that of the tail part of the main shaft.

Preferably, the heat source comprises an air conditioning adjusting system consisting of a compressor, an expansion valve, a liquid storage tank, an evaporator and a heat conducting pipe, the compressor is connected with the driving device, and the heat conducting pipe is arranged on the outer wall of the forming cavity.

The invention has the beneficial effects that: through setting up interior heating device and outer heating device on the shaping chamber, the concrete when extrudeing heats, prevents that the temperature from crossing low difficult shaping when the solidification shaping of concrete, increases the controllability, improves the yields. As the heating body through the electric heating rod, the heating efficiency is high, the energy loss is reduced, the heating core is more stable in use, the manufacturing darkness is reduced through prefabrication, the installation and the use are convenient, the production efficiency is improved, and the labor intensity is reduced.

Drawings

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

FIG. 2 is an enlarged view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of the overall structure of the present invention;

FIG. 4 is a schematic view of the structure of the heating core of the present invention;

FIG. 5 is a schematic structural view of a thermal conductor according to the present invention;

FIG. 6 is a schematic view of a positioning plate according to the present invention;

FIG. 7 is a side view of a heating tail core of the present invention;

FIG. 8 is a schematic cross-sectional view of the mold cavity of the present invention;

wherein: 1. a first circular tube; 101. a drive gear; 102. a reinforcing plate; 103. a flange plate; 104. a heat insulation plate; 105. an aviation male plug; 2. a helical blade; 201. a main shaft; 202. a through hole; 203. positioning a plate; 2031. positioning pins; 3. a tail pipe; 4. a plug; 5. a slip ring; 501. a contact; 6. a thermally conductive shell; 601. an extension tube; 602. a heating rod; 7. an aviation female plug; 801. an upper heat conductor; 802. a lower heat conductor; 803. mounting a column; 804. a pin; 805. a protrusion; 9. a heating tail pipe; 901. a groove 902 and a molding cavity; 903. a heat storage plate; 904. a heat conductive aluminum block; 905. a heat conducting pipe; 906. and (4) a protective shell.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-8: in the production of the concrete wallboard, an extruder extrudes the manufactured prefabricated member out of equipment through extrusion molding of concrete, and then the wallboard is manufactured. In order to realize temperature control and adjustment on concrete during production, the invention provides a temperature control device for forming a concrete prefabricated part, which comprises an internal heating device arranged in a forming cavity 902 and an external heating device arranged outside the forming cavity 902, wherein the forming cavity 902 is arranged to extrude and form the concrete in the forming cavity 902 through a reamer arranged inside, the shape of the forming cavity 902 can be subjected to edge folding treatment according to design requirements, the design requirements are met during extrusion and formation of the concrete is facilitated. Heating device and outer heating device can realize providing heat from the inside and the outside of wallboard when the concrete shaping in setting up into die cavity 902, prevent that the temperature from crossing the difficult shaping of time concrete, cause the production of defective products for easier control more when using has reduced the curing time. The inner heating device comprises a front end part, a middle end part and a tail end part, wherein the front end part comprises an electric connector for providing a power source for the inner heating device and the outer heating device and a driving device arranged on the outer wall of the front end part; the front end part comprises a first circular tube 1, the electric connection piece comprises a slip ring 5, the slip ring 5 is connected with an elastic contact 501, and the contact 501 is connected with a power supply. The slip ring 5 is used for providing power for the inner heating device, and the contact 501 slides along the slip ring 5 when the first circular tube 1 rotates, so that the power transmission is not influenced, and the use is more stable. Drive arrangement is drive gear 101, and drive gear 101 cup joints on the outer wall of first pipe 1, sets up the gearbox on drive gear 101 and the extruder and is connected, and drive gear 101 transmission power guarantees the stability of operation to accessible gearbox adjustment rotational speed. A flange plate 103 is arranged at one end of the first round pipe 1 far away from the slip ring 5, and the flange plate 103 is arranged to enable the front end part and the terminal end part to be detachably connected, so that the replacement and maintenance of the reamer are facilitated. A plurality of reinforcing plates 102 are arranged between the flange plate 103 and the first circular tube 1, and the reinforcing plates 102 are triangular plates and enhance the structural stability.

Well tip is including the compression piece that is used for the extrusion concrete, set up the compression piece and compress the concrete thick liquids in shaping chamber 902, the compression piece includes the reamer, the reamer includes main shaft 201, main shaft 201 is the toper, be provided with helical blade 2 on the main shaft 201 outer wall, set up main shaft 201 into the toper and at helical blade 2, conical main shaft 201 transports the great cement of volume backward when main shaft 201 rotates, along with the increase of main shaft 201 afterbody diameter, concrete in helical blade 2 can be carried backward along with helical blade 2's rotation, and along with the reduction of backward space volume, air in the concrete is also extruded thereupon, make the cement more do benefit to the setting. Protective layers are arranged on the main shaft 201 and the blades, the wear resistance of the main shaft 201 and the blades is enhanced by the protective layers, and the service life of the equipment is prolonged. When the main shaft 201 is provided with the flange 103 for connecting with the front end part, and the heat insulation plate 104 is arranged between the two flanges 103 at the front end part and the terminal part, the heat generated at the middle end part can be reduced to reduce the transmission to the front end part, the lead and the joint at the front end part are prevented from being damaged, and the service life is prolonged. Be provided with the core that generates heat in the inside main shaft 201 of compression piece, the core that generates heat includes heat conduction shell 6 and sets up the electrical heating rod in heat conduction shell 6, be provided with the through-hole 202 that is used for installing the core that generates heat along the axis direction in the main shaft 201, the inherent nearly ring flange 103 one end of through-hole 202 is provided with locating plate 203, locating plate 203 is the ring form, be provided with locating pin 2031 on the locating plate 203, the diameter of extension pipe 601 is less than the diameter of heat conduction shell 6, be provided with the counter bore of pin joint with locating pin 2031 on the terminal surface of extension pipe 601 one end on the heat conduction shell 6. Set up locating plate 203 and make heat conduction shell 6 can reach the settlement position under the effect of locating plate 203 when installing in through-hole 202 at heat conduction shell 6, prevent that heat conduction shell 6 from taking the electrical heating rod to continue to be close to the front end to through counter bore and locating pin 2031 pin joint, prevent to heat when rotating and cough and slide in through-hole 202, guarantee that the wire is not destroyed, reinforcing result of use. And the diameter of the rear part of the through hole 202 in the main shaft 201 is larger than that of the front part, so that when the heat conduction shell 6 is installed, the friction between the through hole 202 and the outer wall of the heat conduction shell 6 is properly reduced, the installation is convenient, the rear part of the outer wall of the heat conduction shell 6 is thicker than the front part, the heat conduction shell can be filled in the through hole 202 when in use, the friction resistance is reduced when in installation or disassembly, and the operation and the use are convenient.

Be provided with extension pipe 601 in 6 one end of heat conduction shell, be provided with female plug 7 of aviation in extension pipe 601, female plug 7 of aviation is connected with the public plug 105 of aviation of tip in the front of setting, use the aviation plug to be connected the interior heating device in tip and the well tip, save the loaded down with trivial details of wiring, female plug 7 of aviation passes through the wire and is connected with the stick 602 that generates heat of setting in heat conduction shell 6, and female plug 7 of aviation in the extension pipe 601 of wiring and public plug 105 of aviation of tip before one of them is fixed, can prevent the torsion that the ring flange 103 produced when rotating when using, avoid rigid connection to produce destruction to aviation plug and wire when rotating, reinforcing equipment reliability. The tail end includes tail pipe 3, is provided with the heat conductor in the tail pipe 3, and the one end of keeping away from extension pipe 601 on the heat conduction shell 6 is provided with the mounting groove that is used for fixed heat conductor, sets up the mounting groove and makes when prefabricated, can be connected tail core 9 and electric heating rod with generating heat earlier, will generate heat again in tail core 9 installs the heat conductor, again with integral erection in through-hole 202, realize the prefabrication of the core that generates heat, reduce the processing degree of difficulty, improve production efficiency.

And then welding a tail pipe 3 at the tail part of the main shaft 201, wherein the diameter of the tail pipe 3 is equal to that of the tail part of the main shaft 201, the heat conductor comprises an upper heat conductor 801 and a lower heat conductor 802, a heating tail core 9 connected with the heating core is arranged in the heat conductor, an accommodating cavity for installing the heating tail core 9 is arranged in the heat conductor, the upper heat conductor 801 and the lower heat conductor 802 are connected through a pin, and one end of the heat conductor is provided with an installation column 803 used for being connected with an installation groove. Divide into the pin joint of two parts with the heat conductor, the preparation technology is ripe, easily operates when will generating heat the tail core 9 and install and hold the intracavity, uses pin 804 to be connected heat conductor 801 and lower heat conductor 802 for can adjust corresponding position when the installation generates heat tail core 9 and then in the installation groove on heat conduction shell 6 is installed to whole erection column 803 on with the heat conductor again, the exquisite operation of being convenient for of structure.

The tail core 9 that generates heat passes through the wire and is connected with the heat conductor, is provided with recess 901 on the tail core 9 that generates heat, is provided with on the inner wall of heat conductor protruding stupefied with recess 901 complex, and the terminal parallel and level of the tail core 9 that generates heat and the terminal of heat conductor are provided with protruding 805 and the sunken gomphosis of setting on tail pipe 3 on the outer wall of heat conductor, prevent to generate heat tail core 9 and heat conductor when using and produce the rotation in encirclement, reinforcing structural stability. The tail end of the tail pipe 3 is provided with the plug 4, the plug 4 is screwed on the tail pipe 3, the plug 4 is provided with a protruding part which is abutted against the heat conductor, when the plug 4 is installed, the plug 4 can generate pressure to the positioning plate 203 for the heating core, the heating core is prevented from rotating in the sleeve when in operation, the structural stability is enhanced, and the use is safe and reliable.

The external heating device includes a heat pipe 905, and the heat pipe 905 is connected with a heat source. The heat source includes the compressor, the expansion valve, the liquid storage pot, the evaporimeter, air conditioner governing system is constituteed to heat pipe 905, the compressor is connected with drive arrangement, heat pipe 905 sets up on the outer wall of shaping chamber 902, heat pipe 905 sets up the refrigerant in the liquid storage pot under air conditioning system's effect and passes through the compressor, form cold junction and hot junction under the expansion valve agent evaporimeter effect, set up heat pipe 905 and reach the effect of a condenser in shaping chamber 902, be provided with heat conduction aluminium pig 904 on the outer wall of shaping chamber 902, heat conduction aluminium pig 904 is provided with the mounting groove at a side of shaping chamber 902, it is filled with heat accumulation plate 903 to fill in the mounting groove, heat accumulation plate 903 uses the zirconia ceramic plate, can make the suitable zirconia ceramic plate of specification according to the size of mounting groove, heat accumulation plate 903's specific heat capacity is bigger than heat conduction aluminium pig, heat accumulation plate 903 can also preserve a part of heat when the temperature that heat pipe 905 produced transmits to shaping chamber 902, make air conditioning system intermittent type work, energy resource consumption has been reduced. Be provided with a plurality of aluminium pig archs at heat conduction aluminium pig 904 another side, heat pipe 905 inlays between two archs, and further with the heat direction molding cavity 902 that heat pipe 905 produced, increase of utilization rate. The periphery at heat conduction aluminium piece 904 is provided with protecting crust 906, is filled with the heat preservation cotton between protecting crust 906 and heat conduction aluminium piece 904, sets up the heat preservation cotton and prevents that the heat of heat pipe 905 Chen Sheng from deriving to protecting crust 906 one side and producing the waste. When the compressor passes through the power take off drive in the gearbox when using, store the refrigerant in the liquid storage tank through the drive and make heat pipe 905 produce the heat, realize the heating to the concrete in shaping chamber 902 through distributing heat pipe 905 in shaping chamber 902's periphery, improved the control effect to concrete temperature control greatly, improve production efficiency, reduce intensity of labour and improve production efficiency.

Example 2

The main differences between this embodiment and embodiment 1 are: still be provided with temperature monitoring devices on the shaping chamber, detect the temperature of shaping back concrete through monitoring devices, carry out temperature regulation to internal heating device and outer heating device, realize the digital control of temperature, very big improvement the nature controlled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a temperature control device is used in shaping of precast concrete spare which characterized in that: the device comprises an inner heating device arranged in a forming cavity and an outer heating device arranged outside the forming cavity, wherein the inner heating device comprises a front end part, a middle end part and a tail end part, the front end part comprises an electric connector for providing a power source for the inner heating device and the outer heating device and a driving device arranged on the outer wall of the front end part;

the tail end part comprises a tail pipe, a heat conductor is arranged in the tail pipe, a heating tail core connected with the heating core is arranged in the heat conductor, and a plug is arranged at the tail end of the tail pipe;

the external heating device comprises a heat conduction pipe, and the heat conduction pipe is connected with a heat source;

the front end part comprises a first circular tube, the electric connecting piece comprises a sliding ring, the sliding ring is connected with an elastic contact, the contact is connected with a power supply, the driving device is a driving gear, the driving gear is sleeved on the outer wall of the first circular tube, one end of the first circular tube far away from the sliding ring is provided with a flange plate, a reinforcing plate is arranged between the flange plate and the first circular tube, and the reinforcing plate is a triangular plate;

the compression part comprises a reamer, the reamer comprises a spindle, the spindle is conical, helical blades are arranged on the outer wall of the spindle, a flange plate used for being connected with the front end portion is arranged on the spindle, a through hole used for installing a heating core is formed in the spindle along the axis direction, a positioning plate is arranged in the through hole and close to one end of the flange plate, the heating core comprises a heat conduction shell and an electric heating rod arranged in the heat conduction shell, an extension pipe is arranged at one end of the heat conduction shell, an aviation female plug is arranged in the extension pipe and connected with an aviation male plug arranged at the front end portion, the aviation female plug is connected with the heating rod arranged in the heat conduction shell through a wire, and an installation groove used for fixing a heat conductor is formed in one end, far away from the extension pipe, of the heat conduction shell;

the diameter of the rear part of the through hole is larger than that of the front part of the through hole, and the thickness of the outer wall of the heat conduction shell is larger at the rear part than at the front part;

the heat conductor comprises an upper heat conductor and a lower heat conductor, an accommodating cavity for installing a heating tail core is arranged in the heat conductor, the upper heat conductor and the lower heat conductor are connected through pins, and one end of the heat conductor is provided with an installation column for connecting with an installation groove;

the tail core that generates heat passes through the wire and is connected with the heat conductor, be provided with the recess on the tail core that generates heat, be provided with on the inner wall of heat conductor with recess complex protruding stupefied, the terminal parallel and level of the end of the tail core that generates heat and the heat conductor, be provided with protruding and the sunken gomphosis of setting on the tail pipe on the outer wall of heat conductor.

2. The temperature control apparatus for molding a concrete preform according to claim 1, wherein: the locating plate is circular, a locating pin is arranged on the locating plate, the diameter of the extension pipe is smaller than that of the heat conduction shell, and a counter bore in pin connection with the locating pin is arranged on the end face of one end of the extension pipe on the heat conduction shell.

3. The temperature control apparatus for molding a concrete preform according to claim 1, wherein: the tail pipe is welded at the tail part of the main shaft, and the diameter of the tail pipe is equal to that of the tail part of the main shaft.

4. The temperature control apparatus for molding a concrete preform according to claim 1, wherein: the heat source comprises a compressor, an expansion valve, a liquid storage tank, an evaporator and a heat conduction pipe to form an air conditioner adjusting system, the compressor is connected with the driving device, and the heat conduction pipe is arranged on the outer wall of the forming cavity.