CN113997389A - Prefabricated part forming die and prefabricated part processing method - Google Patents

Prefabricated part forming die and prefabricated part processing method Download PDF

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Publication number
CN113997389A
CN113997389A CN202111354949.8A CN202111354949A CN113997389A CN 113997389 A CN113997389 A CN 113997389A CN 202111354949 A CN202111354949 A CN 202111354949A CN 113997389 A CN113997389 A CN 113997389A
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CN
China
Prior art keywords
piece
prefabricated part
die
hoisting
prefabricated
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CN202111354949.8A
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Chinese (zh)
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CN113997389B (en
Inventor
张文凤
倪峥嵘
朱云云
陆建良
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Suzhou Huasheng Construction Technology Co ltd
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Suzhou Huasheng Construction Technology Co ltd
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Priority to CN202111354949.8A priority Critical patent/CN113997389B/en
Publication of CN113997389A publication Critical patent/CN113997389A/en
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Publication of CN113997389B publication Critical patent/CN113997389B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
    • B28B7/0032—Moulding tables or similar mainly horizontal moulding surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/04—Discharging the shaped articles
    • B28B13/06—Removing the shaped articles from moulds
    • B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B28B7/002—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps using magnets

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

The invention discloses a prefabricated part forming die and a prefabricated part processing method, and belongs to the field of assembly type buildings. According to the prefabricated part forming die, a plurality of fixing pieces for fixing a hoisting piece are arranged in a die frame; the bottom of the fixed piece is provided with a connecting part which can be pulled off or connected with the die table in a pull-out manner; the top of mounting is provided with the bottom male fixed cover that supplies to hoist and mount the piece, has seted up first connecting hole on the lateral wall of fixed cover, and the second connecting hole position of seting up on first connecting hole and the bottom of hoist and mount piece is corresponding. According to the forming die, a beam tool for fixing the hoisting piece is not required to be arranged, so that the assembling efficiency of the die, the forming efficiency and the demolding efficiency of the prefabricated part are improved, the labor cost is saved to a great extent, and the production efficiency of the prefabricated part can be improved to a great extent.

Description

Prefabricated part forming die and prefabricated part processing method
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a prefabricated part forming die and a prefabricated part processing method.
Background
Prefabricated components, i.e., precast concrete components, are typically prefabricated at a prefabrication plant remote from the construction site of the building, and then transported to the site for installation and formation into a fabricated building. However, the prefabricated part needs to be demolded after being molded and transferred to the outside for storage and maintenance, and the prefabricated part needs to be lifted in the demolding and transferring processes; the distance between a building construction site and a prefabrication plant is usually long, and the prefabricated part also needs to be hoisted and then loaded and unloaded in the transportation process; meanwhile, the prefabricated part also needs to be hoisted in the construction process of the fabricated building. Thus, the hoisting of the prefabricated elements extends through its entire production, storage, transport, assembly life cycle.
In the related art, the sling is usually arranged on the prefabricated part in an embedded manner in the production process of the prefabricated part. Specifically, referring to fig. 1, a fixed beam can be arranged above a forming die of the prefabricated part, then a plurality of connecting pipes are arranged on the fixed beam, the bottom ends of the connecting pipes are detachably connected with a hoisting piece, and the hoisting piece is usually a steel pipe provided with an internal thread. After the processes of grouting, vibrating, leveling, maintaining and the like, the forming of the prefabricated part is completed, the fixed beam and the connecting pipe on the fixed beam are removed, the prefabricated part can be lifted through the lifting piece, and the demolding and transferring are realized.
For example, chinese patent application No. 2018108781549 discloses a precast concrete wall panel and a production process thereof, wherein in the production process of the precast concrete wall panel, when installing an embedded component, an embedded sleeve is vertically fixed inside a casting mold by a tool frame; and after the step of leveling is finished, respectively pouring and fixing the hoisting accessory and the cable sleeve in the corresponding embedded sleeve by using concrete.
For another example, the chinese patent with application number 2018213450363 discloses a positioning device for a prefabricated slab hoisting embedded part, which includes a positioning bracket connected to a mold frame, the positioning bracket including a telescopic beam, one end of the beam rotatably provided with a screw rod capable of being in threaded fit connection with an embedded threaded sleeve; the positioning support further comprises a connecting block, the lower end of the connecting block is connected with the mold frame, the upper end of the connecting block is rotatably connected with one end, far away from the screw rod, of the cross beam, and the connecting block is parallel to the axis of the telescopic cross beam and the axis of the screw rod.
On one hand, however, in the production process of the prefabricated part, the beam is fixed on the side mold of the mold, the hoisting piece is fixed by using the connecting piece on the beam, the prefabricated part can be continuously demolded and transferred only by removing the connecting piece on the beam and the beam after the prefabricated part is formed, the process is complicated, and a large amount of manpower is usually needed to complete the fixing and dismantling work of the beam; on the other hand, the upper surface of the prefabricated part has a plurality of obstacles due to the fact that the beam for fixing the hoisting part is arranged above the forming die, a large amount of manpower is needed for completing vibrating and troweling processes, and production efficiency of the prefabricated part is reduced.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects that in the prior art, a pre-embedded hoisting piece needs to be fixed and installed through tools such as a beam and the like during production of a prefabricated part, so that the labor cost is high and the production efficiency is low, and provides a prefabricated part forming die and a prefabricated part processing method, aiming at improving the production efficiency of the prefabricated part and reducing the labor cost.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a prefabricated part forming die which comprises a plurality of side dies connected to a die table, wherein the side dies surround to form a die frame; a plurality of fixing pieces are arranged in the die frame and used for fixing a hoisting piece of the prefabricated part; the bottom of the fixing piece is provided with a connecting part which can be pulled off or connected with the die table in a pulling way, so that the fixing piece is separated from the die table and is kept in the prefabricated part when the prefabricated part is demolded; the top of the fixed piece is provided with a fixed sleeve into which the bottom end of the hoisting piece is inserted, and the side wall of the fixed sleeve is provided with a first connecting hole; the first connecting hole corresponds to a second connecting hole formed in the bottom end of the hoisting piece in position, and after the bottom end of the hoisting piece is inserted into the fixed sleeve, the first connecting hole provides a channel for inserting reinforcing steel bars into the second connecting hole.
Further, the die table is provided with a mounting piece at a position corresponding to the connecting part, the mounting piece is fixedly connected with the die table, and the connecting part can be pulled off or pulled out to be connected with the mounting piece.
Furthermore, an external thread is arranged on the connecting part, a threaded connecting groove is arranged on the mounting part, and the connecting part is matched with the threaded connecting groove.
Furthermore, the connecting part comprises two threaded connecting blocks, and external threads arranged on the two threaded connecting blocks are connected with the threaded connecting grooves together; two threaded connection blocks set up relatively, and form the variable clearance each other.
Furthermore, a threaded connection groove is formed in the connecting portion, an internal thread is formed in the threaded connection groove, a screw rod is arranged on the mounting piece, and the threaded connection groove is matched with the screw rod.
Furthermore, the screw comprises two threaded connecting blocks, and external threads arranged on the two threaded connecting blocks are connected with the threaded connecting grooves together; two threaded connection blocks set up relatively, and form the variable clearance each other.
Further, connecting portion are the joint structure, it has the joint groove to open on the installed part, connecting portion with connect with the mode of joint between the installed part.
Furthermore, the clamping structure is a T-shaped clamping block, the notch of the clamping groove is a straight opening, and the T-shaped clamping block is clamped into the straight opening in a rotating mode to complete clamping.
Furthermore, the clamping structure comprises two connecting buckles, the clamping jaws of the connecting buckles are arranged along opposite directions, and variable gaps are formed between the connecting buckles.
Further, connecting portion are strong magnet that strong magnetic material made, the holding tank has been seted up on the installed part, the holding tank is used for holding connecting portion, connecting portion with installed part magnetism actuation.
Further, a mounting groove is formed in the connecting portion, a strong magnet is arranged in the mounting groove, a containing groove is formed in the mounting piece and used for containing the connecting portion, and the strong magnet is attracted with the mounting piece in a magnetic mode.
Further, the mounting piece is fixedly connected with the die table in a welding mode.
Furthermore, a notch is formed in one side, in contact with the die table, of the mounting piece, and the notch is used for providing a welding space between the mounting piece and the die table.
Further, the connecting portion is made of a plastic material, or a silicone material, or a resin material.
Further, after the hoisting piece is fixed on the fixing piece, the distance from the top surface of the hoisting piece to the upper side surface of the die table is equal to the height of the side die.
Furthermore, the top end of the hoisting piece is detachably connected with a plug cover, after the hoisting piece is fixed on the fixing piece, the distance from the top surface of the plug cover to the upper side surface of the die table is equal to the height of the side die.
According to the method for processing the prefabricated part by using the prefabricated part forming die, before concrete is poured, a fixing piece is connected to the designed position of a die table, and then a hoisting piece is installed on the fixing piece; after the prefabricated part is formed, when the prefabricated part is hoisted by utilizing the hoisting piece, the connecting part of the fixing piece is pulled out of the die table, or the connecting part of the fixing piece is pulled off, the fixing piece is separated from the die table, and the demolding of the prefabricated part is finished.
Further, the method comprises the following steps of,
s1, assembling the side die according to the design size, and forming a die frame on the die table; the position designed on the die table can be connected with a fixed piece in a breaking mode or in a pulling mode, and the hoisting piece is installed on the fixed piece;
s2, closing the top end of the hoisting piece, and enabling the distance from the top surface of the hoisting piece to the upper side surface of the die table to be equal to the height of the side die; pouring concrete until the designed capacity is reached;
s3, vibrating, trowelling and steam curing the poured concrete, and finishing the forming of the prefabricated part;
s4, removing the closed structure at the top end of the hoisting piece, connecting the hoisting piece with the hoisting piece, and applying a pulling force to the hoisting piece by using the hoisting piece so as to pull out the connecting part of the fixing piece from the die table or break the connecting part of the fixing piece; and then, hoisting the prefabricated part to finish demoulding.
Further, in the step S1, after the sling is mounted on the fixing member, the reinforcing steel bars are inserted through the first connection holes of the fixing member and the second connection holes of the sling, and then the reinforcing steel bars are bundled with the transverse/longitudinal steel bars in the mold frame.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) according to the forming die for the prefabricated part, after the hoisting part is installed on the fixing part, the reinforcing steel bars can penetrate through the first connecting hole and the second connecting hole and are bundled with the transverse steel bars/longitudinal steel bars in the die frame, so that the hoisting part is fixed at a designed position, tools such as a cross beam do not need to be installed manually to fix the hoisting part, and the assembling efficiency of the forming die is improved; in the forming process of the prefabricated part, because the tools such as the beam and the like do not exist, the upper surface of the prefabricated part is not provided with shielding objects, so that the vibration, the leveling and the maintenance of concrete are facilitated, and the forming efficiency of the prefabricated part is improved; after the prefabricated part is formed, in the process of hoisting the prefabricated part, the fixing part is broken or pulled out of the die table, the fixing part is disconnected from the die table, and the prefabricated part can be demoulded, so that tools such as a beam do not need to be manually dismantled, and the demoulding efficiency of the prefabricated part is improved. Therefore, the forming die can greatly improve the production efficiency of the prefabricated part while greatly saving labor cost.
(2) In the invention, the mounting piece is arranged at the position on the die table corresponding to the connecting part, the mounting piece is fixedly connected with the die table, and the connecting part can be pulled off or pulled out to be connected with the mounting piece; meanwhile, the mounting piece and the die table can be connected in a welding mode. Therefore, in the assembling process of the forming die, the mounting piece can be welded at the designed position in the die frame, and the mounting piece is connected with the fixing piece; when the design size of prefabricated component changed, can be between with installed part from the bench excision, can change hoist and mount piece's size, position as required sooner.
(3) In the invention, after the hoisting piece is fixed on the fixing piece, the distance from the top surface of the hoisting piece to the upper side surface of the die table is equal to the height of the side die; or the top end of the hoisting piece is detachably connected with the plug cover, and after the hoisting piece is fixed on the fixing piece, the distance from the top surface of the plug cover to the upper side surface of the die table is equal to the height of the side die. Therefore, after concrete with designed capacity is injected into the forming die, the top end of the hoisting part does not exceed the upper side surface of the prefabricated part, so that the hoisting part does not form an obstacle when the concrete is vibrated and leveled, and the prefabricated part is convenient to vibrate and level quickly.
Drawings
FIG. 1 is a schematic structural view of a conventional prefabricated part forming mold;
FIG. 2 is a schematic structural view of a forming mold for a prefabricated part according to the present invention;
FIG. 3 is a schematic view of the fitting of the fixing member and the sling member of the present invention;
FIG. 4 is a schematic structural view of a fixing member according to the present invention;
FIG. 5 is a schematic view showing the fitting of the fixing member and the mounting member in embodiment 1;
FIG. 6 is a schematic view showing the fitting of the fixing member and the mounting member in embodiment 2;
FIG. 7 is a schematic view showing the fitting manner of two connecting clips and a mounting member in embodiment 2;
fig. 8 is a schematic view of the manner in which the fixing member and the mounting member are engaged in embodiment 3.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the invention, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope of the technical content disclosed by the invention without affecting the effect and the achievable purpose of the invention. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
Fig. 1 shows a structure of a conventional preform molding die. Specifically, the forming mold for the prefabricated part is usually disposed on a steel mold base, the forming mold includes a plurality of side molds 101, the side molds 101 are connected to each other to form a mold frame, and a forming space for the prefabricated part is formed between the mold frame and the mold base. When the prefabricated parts are in the shape of prefabricated wall panels, floor slabs and other plates, the hoisting pieces for hoisting the prefabricated parts are usually arranged in the prefabricated parts in a pre-embedded manner.
Therefore, the general manufacturing process of the prefabricated part is as follows: firstly, assembling a mould frame by using a plurality of side moulds 101 according to the design size, and binding transverse reinforcing steel bars 102 and longitudinal reinforcing steel bars 103 in the mould frame; then, tools such as a beam 110 are installed on the side forms 101, the pre-buried hoisting assembly 120 is fixed at a designed position by the beam 110, the pre-buried hoisting assembly 120 comprises a connecting piece 122 and a hoisting piece 121, the connecting piece 122 is connected with the beam 110, and the hoisting piece 121 is detachably connected to the lower end of the connecting piece 122. Inserting reinforcing steel bars 130 into connecting holes in the hoisting piece 121, and bundling the reinforcing steel bars 130 and the transverse steel bars 102/longitudinal steel bars 103; then, injecting concrete with designed capacity into the forming die, and completing the working procedures of vibrating, trowelling, curing and the like of the concrete; and finally, the beam 110 and the connecting piece 122 are disassembled, and the prefabricated part is hoisted and transferred by utilizing the hoisting piece 121 on the prefabricated part, and is stored and maintained.
However, in the manufacturing process of the prefabricated part, the beam 110 and the connecting piece 122 need to be assembled and disassembled manually, so that the labor cost is greatly increased, and the efficiency is low; meanwhile, tools such as the beam 110 and the connecting piece 122 arranged above the prefabricated part form obstacles for vibration and trowelling, vibration and trowelling operation is difficult to perform through full-automatic/semi-automatic equipment, vibration and trowelling can only be performed manually, efficiency is greatly reduced, and labor cost is high.
In order to solve the above problem, the present embodiment provides a prefabricated part molding die. Referring to fig. 2, the forming mold of the present embodiment includes a mold frame formed by connecting a plurality of side molds 101 to each other, and a plurality of fixing members 200 are disposed in the mold frame, and the fixing members 200 are connected to a mold base and used for connecting and fixing a lifting member 121.
Specifically, fig. 3 shows the fitting relationship between the fixing member 200 and the sling member 121, wherein the fixing member 200 is provided at the bottom thereof with a connecting portion 230, and the fixing member 200 is provided at the bottom thereof with a fixing sleeve 220. Wherein, the fixing sleeve 220 of the fixing member 200 is used for inserting the hoisting member 121, the connecting portion 230 is used for connecting with the die table, and after the fixing member 200 is connected on the die table through the connecting portion 230, the hoisting member 121 is also fixed on the die table.
More specifically, the connection portion 230 is connected to the mold base in a manner of being able to be pulled out, or is connected in a manner of being able to be pulled apart, that is, after the fixing member 200 is connected to the mold base through the connection portion 230, when a pulling force is applied to the lifting member 121 to lift the prefabricated member, the connection portion 230 is directly pulled out from the mold base under the pulling force, or is directly pulled apart, so that the fixing member 200 is disconnected from the mold base.
Of course, in order to realize the drawable connection or the breakable connection between the connection part 230 and the mold table, the connection part 230 may be made of a non-metallic material, such as plastic, resin, silicon gel, or a ferromagnetic material. When the connecting part 230 is made of plastic and other materials, the strength and the shearing resistance of the connecting part 230 are not high, the pulling force for lifting the prefabricated part by using a travelling crane can reach more than 10 tons, and the connecting part 230 can be directly broken; when the connection part 230 is made of resin, silicone, or other materials, the connection part 230 itself has toughness, and may deform when pulled by a tensile force during hoisting of the prefabricated part, so as to be released from structures such as connection holes, connection grooves, etc. on the mold bed; when the connection part 230 is made of a ferromagnetic material, since the mold table is usually made of steel, the fixing member 200 can be connected to the mold table by a magnetic attraction between the connection part 230 and the mold table, and when the prefabricated part is pulled up by a tensile force during lifting, the fixing member 200 is disconnected from the mold table after the tensile force is greater than a threshold value of the magnetic force between the connection part 230 and the mold table.
The lateral wall of the fixed sleeve 220 can be provided with a first connecting hole 224, the bottom end of the hoisting piece 121 can be provided with a second connecting hole, the position of the first connecting hole 224 corresponds to the position of the second connecting hole, when the bottom end of the hoisting piece 121 is inserted into the fixed sleeve 220, the first connecting hole 224 coincides with the second connecting hole, the reinforcing steel bar 130 can be inserted from the first connecting hole 224 and penetrates into the second connecting hole, namely, the first connecting hole 224 provides a channel for the reinforcing steel bar 130 to be inserted into the second connecting hole. When the reinforcing bars 130 are inserted into the first coupling holes 224 and the second coupling holes, the reinforcing bars 130 can be tied up with the transverse bars 102/longitudinal bars 103 in the mold frame, and then the coupling strength between the fixing member 200 and the lifting member 121 and the pullout strength of the lifting member 121 can be remarkably improved after concrete pouring.
In this embodiment, after the hoisting member 121 is mounted on the fixing member 200, the reinforcing steel bar 130 may pass through the first connecting hole 224 and the second connecting hole and be bundled with the transverse steel bar 102/longitudinal steel bar 103 in the mold frame, so that the hoisting member 121 is fixed at the designed position, and therefore, the hoisting member 121 does not need to be fixed by manually mounting tools such as the beam 110 and the like, and the assembly efficiency of the forming mold is improved; in the forming process of the prefabricated part, because the tools such as the beam 110 and the like do not exist, the upper surface of the prefabricated part is not provided with a shielding object, so that the vibration, the leveling and the maintenance of concrete are facilitated, and the forming efficiency of the prefabricated part is improved; after the prefabricated part is formed, in the process of hoisting the prefabricated part, the connecting part 230 of the fixing part 200 can be directly broken or pulled out of the die table, the fixing part 200 is disconnected from the die table, and the prefabricated part can be demolded, so that tools such as the beam 110 do not need to be manually dismantled, and the demolding efficiency of the prefabricated part is improved. Therefore, the molding die of the present embodiment can greatly improve the production efficiency of the prefabricated part while saving labor cost to a great extent.
As an example of a detailed structure of the fixture 200, referring to fig. 4, the fixture 200 may include a connection sleeve 210, a fixing sleeve 220, and a connection part 230. The fixing sleeve 220 is arranged on the upper side of the connecting sleeve 210, the upper end of the fixing sleeve 220 is an insertion opening 223, and the hoisting piece 121 can be inserted into the fixing sleeve 220 from the insertion opening 223; the connection part 230 is disposed at the lower side of the connection sleeve 210; the inner diameter of the fixing sleeve 220 may be greater than that of the connecting portion 230, so that a step structure is formed at the connection of the fixing sleeve 220 and the connecting portion 230, and after the bottom of the sling 121 is inserted into the fixing sleeve 220, the bottom edge thereof may abut against the step structure.
The first coupling holes 224 may be opened on opposite sides of the harness 220, such as left and right sides of the harness 220 shown in fig. 4. The fixing sleeve 220 may have a penetration hole 221 on a side surface thereof not having the first connection hole 224, and when concrete is poured, the concrete may enter the fixing sleeve 220 through the penetration hole 221, thereby wrapping the hanger 121.
A binding hook 222 may be further provided on the outer side surface of the fixing sleeve 220 at a position corresponding to the first coupling hole 224. After the sling 121 is inserted into the fixing sleeve 220 and the reinforcing bar 130 passes through the first connection hole 224 and the second connection hole, the reinforcing bar 130 and the binding hook 222 may be bound by a wire, or the like, so as to fix the reinforcing bar 130 and the fixing member 200.
As a further optimization of the present embodiment, after the sling 121 is fixed on the fixing member 200, the distance from the top surface of the sling 121 to the upper side surface of the mold table may be equal to the height of the side mold, or substantially equal to the height of the side mold, so that after the concrete with the designed volume is injected into the mold, the top end of the sling 121 does not rise above the upper surface of the prefabricated member, thereby facilitating operations such as vibrating, leveling, and the like.
Furthermore, when the top of hoisting member 121 was seted up threaded connection hole, in order to prevent that the concrete from getting into the threaded connection hole of hoisting member 121, cause the jam, can be provided with gag 400 on the top of hoisting member 121, can be for dismantling between this gag 400 and hoisting member 121 and be connected, for example the downside of gag 400 can set up the connecting rod that has the external screw thread, through the connecting rod with the threaded connection hole cooperation of hoisting member 121 to realize the removable linkage of gag 400 and hoisting member 121. Of course, if the top end of the sling 121 is connected with the stopper 400, after the sling 121 is fixed to the fixing member 200, the distance from the top surface of the stopper 400 to the upper side surface of the die table may be equal to the height of the sideform 101, or substantially equal to the height of the sideform 101.
In the production field of prefabricated components, the mould platform is steel structure usually, and forming die can be according to prefabricated component size, pattern, the change of design and adjust, directly fluting on the mould platform, or trompil, can influence the holistic intensity of mould platform, also can need the problem that spread groove/connecting hole are sealed to bring the weeping of concrete simultaneously. Therefore, as a further optimization of the present embodiment, a mounting member 300 may be provided at a position corresponding to the fixing member 200 on the die table, the mounting member 300 and the die table are fixedly connected, and the connecting portion 230 of the fixing member 200 and the mounting member 300 are connected to each other in a breakable or drawable manner.
In particular, with continued reference to fig. 3, the upper side of the mounting member 300 may be provided with a connection structure that mates with the connection portion 230. The installation part 300 and the die table can be in welding connection, namely the installation part 300 is welded on the die table after the position of the installation part 300 is determined, when the position of the installation part 300 needs to be adjusted, the installation part 300 can be directly cut off from the die table, and then welding spots on the die table are ground.
In order to facilitate the welding between the mounting member 300 and the die table, a side of the mounting member 300 facing the die table, i.e., a side of the mounting member 300 contacting the die table, may be provided with a notch 223, and the notch 223 is used to provide a welding space between the mounting member 300 and the die table. Therefore, when the position of the mounting member 300 is determined, the mounting member 300 and the die table are welded at the notch 223 of the mounting member 300, and the welding point of the notch can be ground after welding, so that the outer side surfaces of the mounting member 300 and the die table are relatively smooth and flat.
To illustrate the manner in which the connection portion 230 and the mounting member 300 can be pulled apart or pulled out, the present embodiment provides several examples of the manner in which the fixing member and the mounting member can be engaged.
Example 1
Referring to fig. 5, in the present embodiment, the connection portion 230 and the mounting member 300 are connected by magnetic attraction. Specifically, the connecting portion 230 may be a ferromagnetic body 231 made of a ferromagnetic material, the mounting member 300 may be made of steel or iron, one side of the connecting portion 230 facing the connecting portion 230 is opened with a receiving groove 301, the receiving groove 301 has the same shape as the connecting portion 230, and the receiving groove 301 has the same size as the connecting portion 230.
When the fixing member 200 is fixed on the mold table, the connecting portion 230 can be accommodated in the accommodating groove 301, and since the connecting portion 230 of the fixing member 200 is the strong magnet 231, the connecting portion 230 and the connecting portion 230 are attracted by magnetic force; after the prefabricated part is formed, a pulling force can be applied to the hoisting part 121 by using a lifting appliance such as a crane and the like, so that the prefabricated part is provided with a tendency of moving away from the die table, and after the pulling force applied by the lifting appliance is greater than the suction force between the connecting part 230 and the connecting part 230, the connecting part 230 can be separated from the mounting part 300, so that the fixing part 200 is separated from the die table, and the demolding of the prefabricated part is finished.
As another embodiment of the present embodiment, a mounting groove may be provided in the connection part 230, and the mounting groove may be used to receive a strong magnet, that is, the connection part 230 itself may be made of a non-magnetic material, but a strong magnet may be provided inside the connection part 230 and magnetically attached to the mounting member 300 by the strong magnet in the connection part 230.
Example 2
In this embodiment, the connecting portion 230 is a clamping structure, a clamping groove matched with the clamping structure is formed in the mounting member 300, and the connecting portion 230 and the mounting member 300 are connected in a clamping manner.
Specifically, referring to fig. 6, the latching structure may be a T-shaped latch 232, and a latching end of the T-shaped latch 232, that is, an end facing the mounting member 300, may be "in-line" or "cross". The mounting member 300 has a locking groove therein, and a locking opening is formed in a side of the mounting member 300 facing the connecting portion 230, and the shape of the locking opening may be the same as that of the locking end, and the size of the locking opening may also be the same as that of the locking end.
For example, when the engaging end is in a "straight line" configuration, the engaging opening of the engaging groove may be the straight line 302. When the fixing member 200 is fixed on the die table, the clamping end of the T-shaped fixture block 232 may be aligned with the linear opening 302 of the mounting member 300, then the clamping end of the T-shaped fixture block 232 is plugged into the clamping groove, and finally the fixing member 200 is rotated by a certain angle relative to the mounting member 300, so that the clamping connection of the fixing member 200 and the mounting member 300 is completed; after the prefabricated part is formed, the lifting appliance such as a crane can be used for applying pulling force to the lifting piece 121, so that the prefabricated part is provided with a tendency of moving away from the die table.
As another implementation form of this embodiment, referring to fig. 7, the clipping structure may include two connection clips 234, the jaws of the two connection clips 234 are arranged in opposite directions, and a variable gap is formed between the two connection clips 234. When fixing mounting 200 on the mould bench, joint groove notch 304 can force two connection buckle 234 to produce deformation and be close to each other to get into the joint inslot, later, connection buckle 234 relies on the elastic recovery deformation of self, accomplishes the joint of connecting portion 230 and installed part 300. When the prefabricated part is demoulded after being molded, the two connecting buckles 234 can be directly broken, and also can be deformed under the action of the notches of the clamping grooves and can be separated from the clamping grooves.
Example 3
In this embodiment, the connecting portion 230 may have an external thread, the mounting member 300 may have a threaded connection groove 303 on a side facing the connecting portion 230, the external thread of the connecting portion 230 is matched with the internal thread of the threaded connection groove 303, so as to connect the connecting portion 230 and the mounting member 300, and thus, the fixing member 300 is connected to the die table. After the prefabricated part is formed, a pulling force can be applied to the hoisting piece 121 by using a lifting appliance such as a crane, so that the tendency that the prefabricated part moves away from a die table is provided, and when the pulling force applied by the lifting appliance is greater than the limit of the internal stress of the clamping end, the connecting part 230 can be broken by pulling.
Referring to fig. 8, the connection portion 230 may include two threaded connection blocks 233, and external threads formed on the two threaded connection blocks 233 are commonly engaged with the threaded connection groove 303; meanwhile, the two connection blocks 233 may be disposed opposite to each other with a variable gap formed therebetween. When the fixing member 200 is fixed on the die table, connection is realized through the threaded matching between the two threaded connection blocks 233 and the threaded connection blocks 233; after the prefabricated part shaping, hoist such as usable driving is applyed and is hung a 121 pulling force to giving prefabricated part and keeping away from the trend of die table motion, under the effect of threaded connection groove 303, two threaded connection piece 233 internal stress of cooperation, make two threaded connection piece 233 take place deformation and be close to each other, thereby make the external screw thread of threaded connection piece 233 and the internal thread of threaded connection groove 303 break away from the cooperation, two threaded connection piece 233 alright pull out from threaded connection groove 303, make mounting 200 and die table disconnect from each other.
As another implementation form of the embodiment, the connecting portion 230 is provided with a threaded connecting groove, and the threaded connecting groove is provided with an internal thread; meanwhile, a screw is provided on the mounting member 300, and the thread connecting groove is matched with the screw. The fixing member 200 and the mounting member 300 are connected by the matching of the screw connection groove and the screw, and further the fixing member 200 and the die table are connected.
Similarly, the screw rod can comprise two threaded connecting blocks, and external threads arranged on the two threaded connecting blocks are matched with the threaded connecting grooves together; simultaneously, two threaded connection blocks set up relatively, and form the variable clearance each other. After the prefabricated component shaping, hoist such as usable driving are applyed for hoist and mount piece 121 pulling force, and two threaded connection blocks are deformed under the effect of thread connection groove for threaded connection block can deviate from the thread connection groove.
In addition, the embodiment also provides a method for processing the prefabricated part by utilizing the forming die. Specifically, when the forming die of the embodiment is used for processing a prefabricated part, a fixing part can be connected to the designed position of a die table before concrete is poured, and then a hoisting part is installed on the fixing part; after the prefabricated part is formed, when the prefabricated part is hoisted by utilizing the hoisting piece, the connecting part of the fixing piece is pulled out of the die table, or the connecting part of the fixing piece is pulled off, so that the fixing piece is separated from the die table, and the demolding of the prefabricated part is completed.
More specifically, the method for processing the prefabricated part by using the forming mold of the embodiment may specifically include the following steps:
s1, assembling the side die according to the design size, and forming a die frame on the die table; the fixing piece can be connected with the designed position on the die table in a breaking mode or in a pulling mode, and the hoisting piece is installed on the fixing piece.
And S1, after the hoisting piece is installed on the fixing piece, the reinforcing steel bars penetrate through the first connecting hole in the fixing piece and the second connecting hole in the hoisting piece, and then the reinforcing steel bars and the transverse steel bars/longitudinal steel bars in the mold frame are bundled.
S2, closing the top end of the hoisting piece, and enabling the distance from the top surface of the hoisting piece to the upper side surface of the die table to be equal to the height of the side die; and pouring concrete until the designed capacity is reached.
The top end of the hoisting piece can be sealed by the plug cover, and the top end of the hoisting piece can be wrapped by plastic cloth, adhesive tapes and the like, so that the concrete is prevented from entering the hoisting piece when being filled, and the hoisting piece is blocked.
And S3, vibrating, trowelling and steam curing the poured concrete, and finishing the forming of the prefabricated part. The concrete vibrating, leveling, steam curing and other processes can be implemented according to the documents disclosed in the prior art, and the implementation mode is not repeated.
S4, removing the closed structure at the top end of the hoisting piece, connecting the hoisting piece with the hoisting piece, and applying a pulling force to the hoisting piece by using the hoisting piece to pull out the connecting part of the fixing piece from the die table or pull off the connecting part of the fixing piece so as to separate the connection between the fixing piece and the die table, wherein the fixing piece is kept in the forming component; and then, hoisting the prefabricated part to finish demoulding.
When the forming die of the embodiment is used for processing the prefabricated part, the hoisting piece does not need to be fixed by tools such as a beam and the like arranged on the side die, so that the tools such as the beam and the like do not need to be disassembled and assembled; meanwhile, the upper side surface of the prefabricated part is not provided with a cross beam and other tools to form obstacles, so that the vibrating, trowelling and steam curing processes are easier to complete. Therefore, compared with the prior art, the method for processing the prefabricated part by using the forming die of the embodiment improves the assembling efficiency of the die, the forming efficiency and the demoulding efficiency of the prefabricated part, greatly saves labor cost and greatly improves the production efficiency of the prefabricated part.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims (19)

1. The utility model provides a prefabricated component forming die which characterized in that: the side forms are connected to a die table and form a die frame in a surrounding mode; a plurality of fixing pieces are arranged in the die frame and used for fixing a hoisting piece of the prefabricated part; the bottom of the fixing piece is provided with a connecting part which can be pulled off or connected with the die table in a pulling way, so that the fixing piece is separated from the die table and is kept in the prefabricated part when the prefabricated part is demolded; the top of the fixed piece is provided with a fixed sleeve into which the bottom end of the hoisting piece is inserted, and the side wall of the fixed sleeve is provided with a first connecting hole; the first connecting hole corresponds to a second connecting hole formed in the bottom end of the hoisting piece in position, and after the bottom end of the hoisting piece is inserted into the fixed sleeve, the first connecting hole provides a channel for inserting reinforcing steel bars into the second connecting hole.
2. The prefabricated part forming mold according to claim 1, wherein: the die table is provided with a mounting piece at a position corresponding to the connecting part, the mounting piece is fixedly connected with the die table, and the connecting part can be pulled off or pulled out to be connected with the mounting piece.
3. The prefabricated part forming mold according to claim 2, wherein: the connecting part is provided with an external thread, the mounting part is provided with a threaded connecting groove, and the connecting part is matched with the threaded connecting groove.
4. The prefabricated part forming mold according to claim 3, wherein: the connecting part comprises two threaded connecting blocks, and external threads arranged on the two threaded connecting blocks are matched with the threaded connecting grooves together; two threaded connection blocks set up relatively, and form the variable clearance each other.
5. The prefabricated part forming mold according to claim 2, wherein: the connecting part is provided with a thread connecting groove, the thread connecting groove is provided with an internal thread, the mounting part is provided with a screw rod, and the thread connecting groove is matched with the screw rod.
6. The prefabricated part forming mold according to claim 5, wherein: the screw comprises two threaded connecting blocks, and external threads arranged on the two threaded connecting blocks are matched with the threaded connecting grooves together; two threaded connection blocks set up relatively, and form the variable clearance each other.
7. The prefabricated part forming mold according to claim 2, wherein: connecting portion are the joint structure, it has the joint groove to open on the installed part, connecting portion with connect with the mode of joint between the installed part.
8. The prefabricated part forming mold according to claim 7, wherein: the clamping structure is a T-shaped clamping block, the notch of the clamping groove is a straight line, and the T-shaped clamping block is clamped into the straight line in a rotating mode after being clamped.
9. The prefabricated part forming mold according to claim 7, wherein: the clamping structure comprises two connecting buckles, the clamping jaws of the connecting buckles are arranged along opposite directions, and variable gaps are formed between the connecting buckles.
10. The prefabricated part forming mold according to claim 2, wherein: connecting portion are the strong magnet that strong magnetic material made, the holding tank has been seted up on the installed part, the holding tank is used for holding connecting portion, connecting portion with installed part magnetism actuation.
11. The prefabricated part forming mold according to claim 2, wherein: the mounting groove is formed in the connecting portion, a strong magnet is arranged in the mounting groove, the mounting piece is provided with a holding groove, the holding groove is used for holding the connecting portion, and the strong magnet is attracted with the mounting piece in a magnetic mode.
12. The prefabricated part forming mold according to claim 2, wherein: the mounting piece is fixedly connected with the die table in a welding mode.
13. The prefabricated part forming mold according to claim 12, wherein: and a notch is formed in one side of the mounting piece, which is in contact with the die table, and is used for providing a welding space between the mounting piece and the die table.
14. The prefabricated member forming mold according to any one of claims 3, 4, 7, 8 and 9, wherein: the connecting part is made of a plastic material, or a silica gel material, or a resin material.
15. The prefabricated part forming mold according to claim 1, wherein: after the hoisting piece is fixed on the fixing piece, the distance from the top surface of the hoisting piece to the upper side surface of the die table is equal to the height of the side die.
16. The prefabricated part forming mold according to claim 1, wherein: the top end of the hoisting piece is detachably connected with a plug cover, the hoisting piece is fixed on the fixing piece, and the distance from the top surface of the plug cover to the upper side surface of the die table is equal to the height of the side die.
17. The method for processing the prefabricated part by using the prefabricated part forming die as claimed in any one of claims 1 to 16, wherein the method comprises the following steps: before concrete is poured, a fixing piece is connected to the designed position of the mould table, and then a hoisting piece is installed on the fixing piece; after the prefabricated part is formed, when the prefabricated part is hoisted by utilizing the hoisting piece, the connecting part of the fixing piece is pulled out of the die table, or the connecting part of the fixing piece is pulled off, the fixing piece is separated from the die table, and the demolding of the prefabricated part is finished.
18. The method of claim 17, wherein: comprises the following steps of (a) carrying out,
s1, assembling the side die according to the design size, and forming a die frame on the die table; the position designed on the die table can be connected with a fixed piece in a breaking mode or in a pulling mode, and the hoisting piece is installed on the fixed piece;
s2, closing the top end of the hoisting piece, and enabling the distance from the top surface of the hoisting piece to the upper side surface of the die table to be equal to the height of the side die; pouring concrete until the designed capacity is reached;
s3, vibrating, trowelling and steam curing the poured concrete, and finishing the forming of the prefabricated part;
s4, removing the closed structure at the top end of the hoisting piece, connecting the hoisting piece with the hoisting piece, and applying a pulling force to the hoisting piece by using the hoisting piece so as to pull out the connecting part of the fixing piece from the die table or break the connecting part of the fixing piece; and then, hoisting the prefabricated part to finish demoulding.
19. The method of claim 18, wherein: in the step S1, after the sling is mounted on the fixing member, the reinforcing steel bars are inserted through the first connection holes of the fixing member and the second connection holes of the sling, and then the reinforcing steel bars are bundled with the transverse steel bars/longitudinal steel bars in the mold frame.
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