CN213352849U - Precast beam preparation mould - Google Patents
Precast beam preparation mould Download PDFInfo
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- CN213352849U CN213352849U CN202020941545.3U CN202020941545U CN213352849U CN 213352849 U CN213352849 U CN 213352849U CN 202020941545 U CN202020941545 U CN 202020941545U CN 213352849 U CN213352849 U CN 213352849U
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- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 49
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000000465 moulding Methods 0.000 claims description 16
- 238000010276 construction Methods 0.000 abstract description 11
- 239000004567 concrete Substances 0.000 description 13
- 230000009471 action Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000006082 mold release agent Substances 0.000 description 3
- 239000011178 precast concrete Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a precast beam preparation mould, include: the die comprises a bottom die and one or more groups of side die sets arranged along the longitudinal direction of the bottom die; the side module includes: the side dies are arranged on two opposite sides of the bottom die, and the moving assembly can reciprocate along the transverse direction of the bottom surface; the side mold includes: the upper die body, set up the lower die body under the upper die body, multiple upper tie rods, and multiple lower tie rods; the bottom end of the upper die body is hinged with the top end of the lower die body, and the bottom end of the lower die body is fixed on the moving assembly; the upper pull rod is detachably connected to the top end of the upper die body, and the lower pull rod is detachably connected to the bottom end of the lower die body; the bottom die is positioned on the plurality of lower pull rods. Through the mode of moving the side forms at both sides along the transverse direction of die block, be convenient for to the equipment and the dismantlement of this precast beam preparation mould, simultaneously, still be convenient for carry out the drawing of patterns to the precast beam. So, can reduce the cost of labor relatively, improve the efficiency of construction of precast beam preparation, and then improve holistic efficiency of construction.
Description
Technical Field
The application relates to the technical field of molds, in particular to a precast beam manufacturing mold.
Background
The member taking bending deformation as main deformation is called as a beam, and the beam is manufactured into a cast-in-place concrete beam and a precast concrete beam in building construction. In the construction process of the precast beam, a mould is required to be erected firstly, reinforcing steel bars are erected in the mould, then concrete is poured, and the precast concrete beam is formed after the concrete is solidified.
The manufacturing mould of the precast concrete beam generally comprises a bottom plate and side plates respectively positioned on the left side and the right side of the bottom plate, the bottom plate and the side plates on the left side and the right side enclose a die cavity for forming the precast beam, and after the concrete beam is prepared and the concrete is cured, the bottom plate and the side plates are detached to take out the concrete beam. And when precast beam length is longer, then need build very long bottom plate and curb plate, need a large amount of constructors to operate, and the construction progress is slow, and influences whole efficiency of construction, and increases manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The application aims at providing a precast beam preparation mould to improve the construction progress, and further improve whole efficiency of construction, reduction in production cost.
The application provides a precast beam preparation mould includes: the prefabricated beam forming die comprises a bottom die and one or more groups of side die groups arranged along the longitudinal direction of the bottom die, wherein the bottom die and the side die groups enclose a forming die cavity for forming the prefabricated beam; the side module includes: the moving assembly is arranged on the side dies on two opposite sides of the bottom die along the transverse direction of the bottom die and can reciprocate along the transverse direction of the bottom die; the side form includes: the upper die body is arranged below the upper die body, and the upper die body comprises a plurality of upper pull rods and a plurality of lower pull rods; the bottom end of the upper die body is hinged with the top end of the lower die body, and the bottom end of the lower die body is fixed on the moving assembly; one end of the upper pull rod is detachably connected to the top end of the upper die body of one side die, and the other end of the upper pull rod is detachably connected to the top end of the upper die body of the other side die; one end of the lower pull rod is detachably connected to the bottom end of the lower die body of one side die, and the other end of the lower pull rod is detachably connected to the bottom end of the lower die body of the other side die; the bottom die is positioned on the lower pull rods.
Further, precast beam preparation mould, wherein, the side module still includes: a positioning and locking device for driving the upper mold body to rotate around the hinge position and positioning, the positioning and locking device comprising: the positive and negative tooth lead screw is hinged with an upper nut on the upper die body and a lower nut on the moving assembly.
Further, precast beam preparation mould, wherein, the side module still includes: the upper die support is fixed on the outer side of the upper die body, and the lower die support is fixed on the outer side of the lower die body; the top end of the upper die support exceeds the top end of the upper die body, and the bottom end of the lower die body support exceeds the bottom end of the lower die body; one end of the upper pull rod is detachably connected with the exceeding part of the upper die support on the outer side of the upper die body of one side die, and the other end of the upper pull rod is detachably connected with the exceeding part of the upper die support on the outer side of the upper die body of the other side die; one end of the lower pull rod is detachably connected with the exceeding part of the lower die support on the outer side of the lower die body of one side die, and the other end of the lower pull rod is detachably connected with the exceeding part of the lower die support on the outer side of the lower die body of the other side die; the lower die support is fixed on the moving assembly; the lower nut is hinged to the moving assembly, and the upper nut is hinged to the upper die support.
Further, precast beam preparation mould, wherein, the side module still includes: the fixed sealing plate is fixed at one end of one group of side modules, or the end part of the first or last side module in a plurality of groups of side modules is used for sealing one end of one group of side modules, or the end part of the first or last side module in a plurality of groups of side modules; the movable sealing plate is arranged at the other end of one group of side die sets, or the end parts of the last or the first side die set in the plurality of groups of side die sets; the movable sealing plate can move freely in the area between the two side dies and the bottom die along the longitudinal direction of the bottom die and can be positioned at any position.
Further, the precast beam manufacturing mold is characterized in that a plurality of positioning screw rods are arranged at one end part of one group of side mold groups or at the end part of the first or last side mold group in a plurality of groups of side mold groups; the length direction of the positioning screw rod is the longitudinal direction of the bottom die, a plurality of fixing sealing plate through holes are formed in the fixing sealing plate, the fixing sealing plate through holes correspond to the positioning screw rods in position one to one, and the fixing sealing plate through holes penetrate through the positioning screw rods and are fixed; the other end of one group of side die sets, or the end part of the last or the first side die set in the plurality of groups of side die sets is internally provided with a plurality of guide screw rods; the length direction of the guide screw rod is the longitudinal direction of the bottom die; the size of the movable sealing plate is matched with the size of the other end of one group of side module groups, or the size of the end part of the last or the first side module group in the plurality of groups of side module groups; the movable sealing plate is provided with a plurality of movable sealing plate through holes, the movable sealing plate through holes correspond to the guide screw rods in a one-to-one mode, and the movable sealing plate can reciprocate and be positioned along the length direction of the guide screw rods.
Further, the precast beam manufacturing mold, wherein the moving assembly includes: the bottom die comprises a lower die support, a plurality of roller groups and a plurality of guide rails, wherein the roller groups are arranged at the bottom end of the lower die support; a plurality of guide rails set up side by side in proper order along the longitudinal direction of die block respectively, a plurality of roller trains with a plurality of guide rail one-to-ones, the roller train includes two at least edges the gyro wheel that the transverse direction of die block set gradually, the gyro wheel can be followed the length direction reciprocating motion of guide rail.
Furthermore, the precast beam manufacturing mold is characterized in that the side mold groups are provided with a plurality of groups, the side mold groups are sequentially connected end to end along the longitudinal direction of the bottom mold, and two adjacent side mold groups are detachably connected; and the molding die cavities of the side die sets are communicated after being sequentially connected.
Further, the precast beam manufacturing mold is characterized in that flanges are arranged at two ends of the upper mold body and the lower mold body in each side mold group along the longitudinal direction of the bottom mold, and two adjacent side mold groups are connected through the flanges.
Further, precast beam preparation mould, wherein, the die block with the side form group encloses synthetically the shaping die cavity is cross shaping die cavity, go up the mould body and include: the upper die comprises an upper die vertical plate, an upper die lower vertical plate and an upper die horizontal plate, wherein the upper die vertical plate is positioned below the upper die vertical plate; one end of the upper die horizontal plate is connected with the bottom end of the upper die vertical plate, and the other end of the upper die horizontal plate is connected with the top end of the lower die vertical plate; the lower mold body includes: the lower die comprises a lower die upper vertical plate, a lower die lower vertical plate and a lower die inclined plate, wherein the lower die lower vertical plate is positioned below the lower die upper vertical plate, and the lower die inclined plate is connected between the lower die upper vertical plate and the lower die lower vertical plate and inclines downwards; one end of the lower die inclined plate is connected with the bottom end of the lower die upper vertical plate, and the other end of the lower die inclined plate is connected with the top end of the lower die lower vertical plate; the upper die upper vertical plate and the lower die lower vertical plate are in a first plane, the upper die lower vertical plate and the lower die upper vertical plate are in a second plane, and the second plane is located on the outer side of the first plane.
Further, the precast beam manufacturing mould, wherein the fall between the high end and the low end of the lower mould inclined plate is at least 30 mm.
The utility model has the advantages that:
the application provides precast beam preparation mould includes: the prefabricated beam forming die comprises a bottom die and one or more groups of side die groups arranged along the longitudinal direction of the bottom die, wherein the bottom die and the side die groups enclose a forming die cavity for forming the prefabricated beam; the side module includes: the moving assembly is arranged on the side dies on two opposite sides of the bottom die along the transverse direction of the bottom die and can reciprocate along the transverse direction of the bottom die; the side form includes: the upper die body is arranged below the upper die body, and the upper die body comprises a plurality of upper pull rods and a plurality of lower pull rods; the bottom end of the upper die body is hinged with the top end of the lower die body, and the bottom end of the lower die body is fixed on the moving assembly; one end of the upper pull rod is detachably connected to the top end of the upper die body of one side die, and the other end of the upper pull rod is detachably connected to the top end of the upper die body of the other side die; one end of the lower pull rod is detachably connected to the bottom end of the lower die body of one side die, and the other end of the lower pull rod is detachably connected to the bottom end of the lower die body of the other side die; the bottom die is positioned on the lower pull rods. Through the mode of moving the side forms at both sides along the transverse direction of die block, be convenient for to the equipment and the dismantlement of this precast beam preparation mould, simultaneously, still be convenient for carry out the drawing of patterns to the precast beam. So, can reduce the cost of labor relatively, improve the efficiency of construction of precast beam preparation, and then improve holistic efficiency of construction.
Drawings
Fig. 1 is a schematic structural diagram of a precast beam manufacturing mold provided by the present application;
FIG. 2 is a schematic view of a mold for manufacturing a precast beam according to the present application in a mold closing state;
fig. 3 is a schematic diagram of a demolding state of the precast beam manufacturing mold provided by the present application.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
The precast beam is a beam body structure with a long strip structure and is connected with the erected column body to form a supporting structure of the building. In this application, a mould for making precast beam includes: the bottom die, the side dies, the fixed sealing plates and the movable sealing plates surround a forming die cavity for forming the precast beam, concrete is poured into the forming die cavity, and the precast beam is formed after the concrete is solidified. In the following embodiments, the longitudinal direction of the bottom mold is the longitudinal direction of the precast beam, and the transverse direction of the bottom mold is the width direction of the precast beam.
Referring to fig. 1, the precast beam manufacturing mold according to the present embodiment includes: a bottom mold 100, and one or more sets of side mold blocks 200, the one or more sets of side mold blocks 200 being disposed along a longitudinal direction of the bottom mold 100, two sets of side mold blocks 200 being disposed along the longitudinal direction of the bottom mold 100 as shown in fig. 1. The bottom mold 100 and the side mold 200 enclose a molding cavity 101 for molding the precast beam 300, that is, the shape of the molding cavity 101 is the same as that of the precast beam 300.
In this embodiment, the side module 200 includes: the two side dies 20 are respectively arranged on two opposite sides of the bottom die 100 along the transverse direction of the bottom die 100, the two moving assemblies 40 are also respectively arranged on two opposite sides of the bottom die 100 along the transverse direction of the bottom die 100, the two side dies 20 are respectively fixed on the two moving assemblies 40, and both moving assemblies 40 can reciprocate along the transverse direction of the bottom die 100. When the moving assembly 40 moves towards the direction close to the bottom mold 100 along the transverse direction of the bottom mold 100, the corresponding side mold 20 is driven to be closed to form a molding cavity 101, and the next pouring and molding step is performed. When the moving assembly 40 moves away from the bottom mold 100 along the lateral direction of the bottom mold 100, the corresponding side mold 20 is ejected to remove the prefabricated beam 300. In this embodiment, after the mold is closed, the side mold 20 and the bottom mold 100 are hermetically connected to prevent slurry leakage. The sealing may be achieved by providing a sealing strip between the contact surfaces of the side mold 20 and the bottom mold 100.
Referring to fig. 2 and 3, the side mold 20 includes: the lower die body 22 is arranged below the upper die body 21, the bottom end of the upper die body 21 is hinged to the top end of the lower die body 22, and the bottom end of the lower die body 22 is fixed on the moving assembly 40. One end of the upper pull rod 23 is detachably connected to the top end of the upper die body 21 of one side die 20, and the other end of the upper pull rod 23 is detachably connected to the top end of the upper die body 21 of the other side die 20. One end of the lower pull rod 24 is detachably connected to the bottom end of the lower mold body 22 of one side mold 20, and the other end of the lower pull rod 24 is detachably connected to the bottom end of the lower mold body 24 of the other side mold 20. The bottom mold 100 is disposed on a plurality of lower tie rods 24, and all of the lower tie rods 24 form a support structure for the bottom mold 100. With continued reference to fig. 1 and 2, in order to further improve the supporting effect, a base 102 having a size and length equal to or smaller than that of the bottom mold 100 is further provided below all the lower pulling rods 24, and of course, the base 102 is placed on the ground.
In the above embodiment, after the upper mold body 21 rotates around the hinge position a and forms an outer contour in a transverse direction of the precast beam 300 with the lower mold body 22, it indicates that the upper mold body 21 rotates in place, and then the moving assembly 40 moves to make the two side molds 20 approach to the corresponding side edges of the bottom mold 100, and then the two side molds are fixed by the upper pull rod 23 and the lower pull rod 24, so as to complete mold closing. After the die is closed, concrete is poured into the molding die cavity 101, and after the concrete is solidified, a precast beam is formed. When the mold needs to be demolded, the upper pull rod 23 and the lower pull rod 24 are firstly released, the upper mold body 21 of one side mold 20 rotates around the hinge position a and is opened outwards, then the side mold 20 moves towards the direction of the corresponding side far away from the bottom mold 100 through the movement of the moving assembly 40, and then the same steps are carried out on the side mold 20 on the other side, so that the demolding is completed.
In this embodiment, the number of operators can be effectively reduced and the work efficiency can be improved by moving the side mold 20 by the moving assembly 40. The upper die body 21 is turned outwards around the hinge position A, so that the formed precast beam 300 can be conveniently demoulded.
In order to rotate and position the upper mold body 21 rotating around the hinge position a after not installing or removing all the upper and lower tie rods 23 and 24, the aforementioned side mold group 20 further includes: a positioning and locking device 25 for driving the upper mold body 21 to rotate and position around the hinge position a, wherein the positioning and locking device 25 comprises: the screw mandrel for positive and negative teeth 251, the upper nut 252, and the lower nut 253, wherein, the upper nut 252 is hinged on the upper die body 21, the lower nut 253 is hinged on the moving assembly 40, the top end of the screw mandrel for positive and negative teeth 251 is screwed on the upper nut 252, and the bottom end of the screw mandrel for positive and negative teeth 251 is screwed on the lower nut 253. It can be understood that when the internal thread of the upper nut 252 is in the forward rotation direction and the internal thread of the lower nut 253 is in the reverse rotation direction, the top end of the positive and negative threaded rod 251 is provided with a forward external thread, and the bottom end of the positive and negative threaded rod 251 is provided with a reverse external thread. By clockwise rotating the positive and negative teeth screw rod 25, the upper die body 21 can rotate around the hinge position a, and after the upper die body 21 rotates to the outer contour which forms the transverse direction of the precast beam 300 with the lower die body 22, the rotation is stopped, so as to position the position of the upper die body 21. The upper die body 21 can rotate around the hinge position A and open outwards by rotating the positive and negative tooth screw rod 25 anticlockwise, and when the upper die body 21 is opened to a certain degree (the upper die body 21 is separated from the precast beam 200), the rotation is stopped so as to position the upper die body 21 and perform the later demoulding action.
In the present application, in order to further improve the mold release effect, a mold release agent may be applied to the surfaces of the upper mold 21 and the lower mold 22 that contact the precast beam 300, and the mold release agent is usually an oil mold release agent.
With continued reference to fig. 2, the side module 20 further includes: the upper die support 25 is fixed on the outer side of the upper die body 21, and the upper die support 25 forms a supporting structure of the upper die body 21 and protects the upper die body 21. A lower die holder 26 is fixed to an outer side of the lower die body 22, and the lower die holder 26 forms a support structure of the lower die body 22 and protects the lower die body 22. Wherein, the top end of the upper mold support 25 exceeds the top end of the upper mold body 21, and the bottom end of the lower mold body support 26 exceeds the bottom end of the lower mold body 22. One end of each of the upper pull rods 23 is detachably connected to the protruding portion of the upper mold support 25 outside the upper mold body 21 of one side mold 20, and the other end of each of the upper pull rods 23 is detachably connected to the protruding portion of the upper mold support 25 outside the upper mold body 21 of the other side mold 20. One end of each of the aforementioned lower tie bars 24 is detachably connected to an excess portion of the lower mold frame 26 outside the lower mold body 23 of one side mold 20, and the other end of each of the aforementioned lower tie bars 24 is detachably connected to an excess portion of the lower mold frame 26 outside the lower mold body 22 of the other side mold 20. The lower mold frame 25 is fixed to the moving assembly 40, the lower nut 253 is hinged to the moving assembly 40, and the upper nut 252 is hinged to the upper mold frame 25.
Fig. 1 shows a form of the manufacturing mold combined by a plurality of sets of side mold groups 20, specifically, two sets of side mold groups 20, the plurality of sets of side mold groups 20 are sequentially connected end to end along a longitudinal direction of the bottom mold 100, and two adjacent side mold groups 20 are detachably connected. And the forming die cavities of the side die sets 20 which are connected in sequence are communicated with each other so as to form the precast beam through pouring. With continued reference to fig. 1, the side module 20 further includes: a fixed seal plate 27 and a movable seal plate 28, the fixed seal plate 27 being fixed to one end of a group of side modules 200, or the fixed seal plate 27 being fixed to the end of the first or last side module 200 of the plurality of groups of side modules 200, whereby the fixed seal plate 27 is used to seal off one end of a group of side modules 200, or the fixed seal plate 27 is used to seal off the end of the first or last side module 200 of the plurality of groups of side modules 20. The movable closing plate 28 is provided at the other end of one set of side die sets 200, or at the end of the last or first side die set 200 among the plurality of sets of side die sets 200, and the movable closing plate 28 is arbitrarily movable and positioned at an arbitrary position in the longitudinal direction of the bottom die 100 in the area between the two side dies 20 and the bottom die 100. The movable closing plate 28 is fixed to an area between the two side dies 20 and the bottom die 100 to close the other end of one set of side die sets 200, or the end of the last or the first side die set 200 in the plurality of sets of side die sets 200 is adjusted and positioned along the longitudinal direction of the bottom die 100, so that the prefabricated beam 300 with different lengths can be manufactured.
It should be noted that the contact positions between the fixed sealing plate 27 and the movable sealing plate 28 and the side die 20 and the bottom die 100 may be sealed before fastening to prevent slurry leakage. In particular, a sealing strip may be used to seal between the contact locations.
Two side dies 20 of the side die sets 200 or all the side dies 20 of the side die sets 200 and the bottom die 100 are enclosed to form a top end and two ends along the longitudinal direction of the bottom die 100 in an open form, the fixed sealing plate 27 is fixed to one end opening to block the end opening, and the movable sealing plate 28 is fixed to the other end opening to block the end opening, so that the bottom die 100, the two side dies 20 (including all the side dies 20 of the side die sets 200 or the side die sets 200), the fixed sealing plate 27 and the movable sealing plate 28 enclose the molding cavity 101. Meanwhile, the movable sealing plate 28 is adjusted and positioned along the longitudinal direction of the bottom die 100, so that the prefabricated beams 300 with different lengths can be manufactured, and the actual production needs are met.
It can be understood that the length of the bottom mold 100 in the longitudinal direction is at least equal to or greater than the length of one or more sets of side mold blocks 200, and assuming that one set of side mold blocks 200 has a length of three meters, and a precast beam having a length of seven meters needs to be manufactured, three sets of side mold blocks 200 are required to be connected end to end, the fixed sealing plate 27 is fixed at the opening of the end of the first side mold block 200 of the three sets of side mold blocks 200, and the movable sealing plate 28 is fixed at the position by moving a distance of two meters in the area between the two side molds 20 and the bottom mold 100 in the longitudinal direction of the bottom mold 100 in the direction toward the fixed sealing plate 27, thereby forming a precast beam molding cavity having a length of seven meters.
In the above embodiment, a plurality of positioning screws 271 are disposed at one end of one set of side modules 200, or a plurality of positioning screws 271 are disposed at an end of the first or last side module 200 among the plurality of sets of side modules 200, a length direction of all the positioning screws 271 is a longitudinal direction of the bottom mold 100, a plurality of fixing plate through holes 272 are disposed on the fixing plate 27, all the fixing plate through holes 272 correspond to positions of all the positioning screws 271 one by one, and the fixing plate through holes 272 of the fixing plate 27 pass through the positioning screws 271 and are fixed by nuts so as to be fixed at one end of one set of side modules 200, or an end of the first or last side module 200 among the plurality of sets of side modules 200. The other end of a set of side module 200, or, a plurality of guide screws 281 are provided in the end of the last or first side module 200 in the plurality of sets of side modules 200, the length direction of all the guide screws 281 is the longitudinal direction of the bottom die 100, the size of the movable sealing plate 28 is adapted to the inside of the other end of a set of side module 200, or, the inside size of the end of the last or first side module 200 in the plurality of sets of side modules 200, a plurality of movable sealing plate through holes 282 are provided on the movable sealing plate 28, all the movable sealing plate through holes 282 correspond to the positions of all the guide screws 281 one-to-one, the movable sealing plate 28 can reciprocate along the length direction of the guide screws 281, and is fastened and positioned at a proper position by nuts, thereby satisfying the manufacturing requirements of precast beams 300 with different lengths.
In this embodiment, a plurality of side modules 200 are connected end to end in sequence, and the connection mode adopts flanges for connection. Specifically, flanges are arranged at two ends of the upper die body 21 and the lower die body 22 of each side die group 200 in the plurality of side die groups 200 along the longitudinal direction of the bottom die 100, the flanges on the side dies 20 between two adjacent groups of side die groups 200 are butted, a plurality of corresponding through holes are arranged on the respective flanges, and after the flanges are butted, the connection is realized through a connection mode of fastening bolts and fastening nuts. Correspondingly, in order to avoid slurry leakage, after the two adjacent sets of side modules 20 are in butt joint, the two flanges can be sealed by a sealing rubber strip.
As shown in fig. 1 and 2, the aforementioned moving assembly 40 includes: a plurality of roller groups and a plurality of guide rails 41, wherein all roller groups are all arranged at the bottom end of the lower die support 26, all guide rails 41 are arranged side by side in sequence along the longitudinal direction of the bottom die 100, and the length direction of each guide rail 41 is the one-to-one correspondence between the plurality of roller groups and the plurality of guide rails 41 in the transverse direction of the bottom die 100, and the number of the roller groups is consistent. Each roller group comprises at least two rollers 42 which are sequentially arranged along the transverse direction of the bottom die 100, one end of each guide rail 41 is fixed on the lower die support 26, the other end of each guide rail extends along the transverse direction of the bottom die 100 to the direction far away from the bottom die, and all the rollers 42 can reciprocate along the length direction of the corresponding guide rails 41, so that the side die 20 can be driven to move towards the direction close to or far away from the bottom die 100, and the die closing or demolding action can be carried out.
Specifically, referring to fig. 2 and 3, fig. 2 shows a state where the production mold is closed, and fig. 3 shows a state where the production mold is released. As shown in fig. 2, under the driving of the moving assembly 40, the side molds 20 on both sides are moved to the positions attached to the side edges of the bottom mold 100, the two side molds 20 are fixed by the upper pull rod 23 and the lower pull rod 24, the upper mold body 21 is positioned at the proper position by the positioning and locking device 25, then the fixed closing plate 27 and the movable closing plate 28 are installed to form the molding cavity 101, the concrete is poured, and the precast beam 300 is formed after the concrete is solidified. After the precast beam is formed, the fixed sealing plate 27 and the movable sealing plate 28 are firstly disassembled, then the upper pull rod 23 and the lower pull rod 24 are disassembled, then the upper die body 21 is enabled to rotate outwards through the positioning locking device 25, the upper die body 21 and the precast beam 300 are demolded, then the side die 20 on one side is enabled to move towards the defense line far away from the bottom die 100 through the movement of the moving assembly 25, the lower die body 22 and the precast beam 300 are demolded, the side die 20 on the other side is enabled to perform corresponding demolding action again, the whole demolding is completed, then the precast beam 300 is transferred through the lifting appliance, and the next precast beam 300 is prepared to be manufactured.
As shown in fig. 2, the precast beam 300 produced by the precast beam producing mold according to the present embodiment is a cross-shaped precast beam, that is, the molding cavity 101 enclosed by the bottom mold 100 and the side mold sets 200 (including the side mold 20, the fixed seal plate 27, and the movable seal plate 28) is a cross-shaped molding cavity. In order to adapt to the fabrication of the precast beam with the model shape, the upper mold body 21 includes: go up mould upper vertical plate 211, go up mould lower vertical plate 212 to and go up mould horizontal plate 213, go up mould lower vertical plate 212 and last mould upper vertical plate 211 and be vertical setting, and go up the below that mould lower vertical plate 212 is located mould upper vertical plate 211, go up mould horizontal plate 213 and connect on last mould between vertical plate 211 and the last mould lower vertical plate 212, it is concrete that, the bottom of mould upper vertical plate 211 is connected to the one end of going up mould horizontal plate 213, the top of lower mould lower vertical plate 212 is connected to the other end of going up mould horizontal plate 213. The aforementioned lower mold body 22 includes: vertical plate 221 on the lower mould, vertical plate 222 and lower mould hang plate 223 under the lower mould, vertical plate 221 is vertical setting with vertical plate 222 under the lower mould on the lower mould, and vertical plate 222 is located the below of vertical plate 221 on the lower mould under the lower mould, lower mould hang plate 223 is connected on the lower mould between vertical plate 221 and the lower mould under vertical plate 222, and, this lower mould hang plate 223 downward sloping sets up, thereby, the lower mould hang plate forms the draft inclination, do benefit to the drawing of patterns. Specifically, one end of the lower mold inclined plate 223 is connected to the bottom end of the lower mold upper vertical plate 221, and the other end of the lower mold inclined plate 223 is connected to the top end of the lower mold lower vertical plate 222. It will be appreciated that upper die upper vertical plate 211 and lower die lower vertical plate 222 are in a first plane, upper die lower vertical plate 212 and lower die upper vertical plate 221 are in a second plane, and the second plane is outside of the first plane. The outer side refers to a distal end in the longitudinal direction of the base mold 100. In this way, the shape enclosed by the two side dies 20, the fixed seal plate 27, the movable seal plate 28, and the bottom die 100 is a cross-shaped molding cavity, and a cross-shaped precast beam is formed.
In the above embodiment, the height difference D between the high end H and the low end L of the lower inclined plate 223 is at least 30 mm. Of course, in other embodiments, other values may be set according to parameters such as the specific precast beam shape.
In summary, the precast beam manufacturing mold provided by this embodiment is convenient for assemble and disassemble the precast beam manufacturing mold in a manner of moving the side molds at both sides along the transverse direction of the bottom mold, and is also convenient for demolding the precast beam. So, can reduce the cost of labor relatively, improve the efficiency of construction of precast beam preparation, and then improve holistic efficiency of construction.
The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the inventive concepts herein.
Claims (10)
1. The utility model provides a precast beam preparation mould which characterized in that includes: the prefabricated beam forming die comprises a bottom die and one or more groups of side die groups arranged along the longitudinal direction of the bottom die, wherein the bottom die and the side die groups enclose a forming die cavity for forming the prefabricated beam; the side module includes: the moving assembly is arranged on the side dies on two opposite sides of the bottom die along the transverse direction of the bottom die and can reciprocate along the transverse direction of the bottom die; the side form includes: the upper die body is arranged below the upper die body, and the upper die body comprises a plurality of upper pull rods and a plurality of lower pull rods; the bottom end of the upper die body is hinged with the top end of the lower die body, and the bottom end of the lower die body is fixed on the moving assembly; one end of the upper pull rod is detachably connected to the top end of the upper die body of one side die, and the other end of the upper pull rod is detachably connected to the top end of the upper die body of the other side die; one end of the lower pull rod is detachably connected to the bottom end of the lower die body of one side die, and the other end of the lower pull rod is detachably connected to the bottom end of the lower die body of the other side die; the bottom die is positioned on the lower pull rods.
2. The precast beam forming die of claim 1, wherein the side die set further comprises: a positioning and locking device for driving the upper mold body to rotate around the hinge position and positioning, the positioning and locking device comprising: the positive and negative tooth lead screw is hinged with an upper nut on the upper die body and a lower nut on the moving assembly.
3. The precast beam forming die of claim 2, wherein the side die set further comprises: the upper die support is fixed on the outer side of the upper die body, and the lower die support is fixed on the outer side of the lower die body; the top end of the upper die support exceeds the top end of the upper die body, and the bottom end of the lower die body support exceeds the bottom end of the lower die body; one end of the upper pull rod is detachably connected with the exceeding part of the upper die support on the outer side of the upper die body of one side die, and the other end of the upper pull rod is detachably connected with the exceeding part of the upper die support on the outer side of the upper die body of the other side die; one end of the lower pull rod is detachably connected with the exceeding part of the lower die support on the outer side of the lower die body of one side die, and the other end of the lower pull rod is detachably connected with the exceeding part of the lower die support on the outer side of the lower die body of the other side die; the lower die support is fixed on the moving assembly; the lower nut is hinged to the moving assembly, and the upper nut is hinged to the upper die support.
4. The precast beam forming die of claim 1, wherein the side die set further comprises: the fixed sealing plate is fixed at one end of one group of side modules, or the end part of the first or last side module in a plurality of groups of side modules is used for sealing one end of one group of side modules, or the end part of the first or last side module in a plurality of groups of side modules; the movable sealing plate is arranged at the other end of one group of side die sets, or the end parts of the last or the first side die set in the plurality of groups of side die sets; the movable sealing plate can move freely in the area between the two side dies and the bottom die along the longitudinal direction of the bottom die and can be positioned at any position.
5. A precast beam making mold according to claim 4, wherein a plurality of positioning screws are provided at one end of one set of side die sets, or at an end of the first or last side die set among the plurality of sets of side die sets; the length direction of the positioning screw rod is the longitudinal direction of the bottom die, a plurality of fixing sealing plate through holes are formed in the fixing sealing plate, the fixing sealing plate through holes correspond to the positioning screw rods in position one to one, and the fixing sealing plate through holes penetrate through the positioning screw rods and are fixed; the other end of one group of side die sets, or the end part of the last or the first side die set in the plurality of groups of side die sets is internally provided with a plurality of guide screw rods; the length direction of the guide screw rod is the longitudinal direction of the bottom die; the size of the movable sealing plate is matched with the size of the other end of one group of side module groups, or the size of the end part of the last or the first side module group in the plurality of groups of side module groups; the movable sealing plate is provided with a plurality of movable sealing plate through holes, the movable sealing plate through holes correspond to the guide screw rods in a one-to-one mode, and the movable sealing plate can reciprocate and be positioned along the length direction of the guide screw rods.
6. A precast beam making mold according to claim 3, wherein the moving assembly includes: the bottom die comprises a lower die support, a plurality of roller groups and a plurality of guide rails, wherein the roller groups are arranged at the bottom end of the lower die support; a plurality of guide rails set up side by side in proper order along the longitudinal direction of die block respectively, a plurality of roller trains with a plurality of guide rail one-to-ones, the roller train includes two at least edges the gyro wheel that the transverse direction of die block set gradually, the gyro wheel can be followed the length direction reciprocating motion of guide rail.
7. The precast beam manufacturing mold according to claim 1, wherein the side mold groups are provided with a plurality of groups, the plurality of groups of side mold groups are sequentially connected end to end along the longitudinal direction of the bottom mold, and two adjacent side mold groups are detachably connected with each other; and the molding die cavities of the side die sets are communicated after being sequentially connected.
8. The precast beam forming mold according to claim 7, wherein flanges are provided at both ends of the upper mold body and the lower mold body in a longitudinal direction of the bottom mold in each of the side mold groups, and adjacent two of the side mold groups are connected by the flanges.
9. The precast beam manufacturing mold according to claim 1, wherein the molding cavity surrounded by the bottom mold and the side molds is a cross-shaped molding cavity, and the upper mold body includes: the upper die comprises an upper die vertical plate, an upper die lower vertical plate and an upper die horizontal plate, wherein the upper die vertical plate is positioned below the upper die vertical plate; one end of the upper die horizontal plate is connected with the bottom end of the upper die vertical plate, and the other end of the upper die horizontal plate is connected with the top end of the lower die vertical plate; the lower mold body includes: the lower die comprises a lower die upper vertical plate, a lower die lower vertical plate and a lower die inclined plate, wherein the lower die lower vertical plate is positioned below the lower die upper vertical plate, and the lower die inclined plate is connected between the lower die upper vertical plate and the lower die lower vertical plate and inclines downwards; one end of the lower die inclined plate is connected with the bottom end of the lower die upper vertical plate, and the other end of the lower die inclined plate is connected with the top end of the lower die lower vertical plate; the upper die upper vertical plate and the lower die lower vertical plate are in a first plane, the upper die lower vertical plate and the lower die upper vertical plate are in a second plane, and the second plane is located on the outer side of the first plane.
10. A precast beam forming die according to claim 9, wherein the difference between the upper end and the lower end of the lower inclined plate is at least 30 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020941545.3U CN213352849U (en) | 2020-05-28 | 2020-05-28 | Precast beam preparation mould |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020941545.3U CN213352849U (en) | 2020-05-28 | 2020-05-28 | Precast beam preparation mould |
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| CN213352849U true CN213352849U (en) | 2021-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157417A (en) * | 2022-08-01 | 2022-10-11 | 中交二公局第四工程有限公司 | Assembly type precast beam pedestal formwork structure and using method |
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2020
- 2020-05-28 CN CN202020941545.3U patent/CN213352849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157417A (en) * | 2022-08-01 | 2022-10-11 | 中交二公局第四工程有限公司 | Assembly type precast beam pedestal formwork structure and using method |
| CN115157417B (en) * | 2022-08-01 | 2023-10-27 | 中交二公局第四工程有限公司 | Assembled precast beam pedestal template structure and use method |
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Address after: Building 1, Nord center, No.128, South Fourth Ring Road West, Fengtai District, Beijing, 100070 Patentee after: China Railway Construction Engineering Group Patentee after: China Railway Construction Engineering Group No.5 Construction Co.,Ltd. Address before: 100000 South Fourth Ring Road, Fengtai District, Fengtai District, Beijing Patentee before: China Railway Construction Engineering Group Patentee before: China Railway Construction Engineering Group Guangdong Co.,Ltd. |