CN111360981A

CN111360981A - Aluminum template for precast concrete pouring

Info

Publication number: CN111360981A
Application number: CN202010329137.7A
Authority: CN
Inventors: 汤志国; 侯容健
Original assignee: Guangdong Shanjian Construction Co ltd
Current assignee: Guangdong Shanjian Construction Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-07-03
Anticipated expiration: 2040-04-23
Also published as: CN111360981B

Abstract

The invention relates to an aluminum template for precast concrete pouring, which comprises a plurality of aluminum templates which are spliced with each other, wherein a bulge is vertically fixed on one side edge of each aluminum template, the bulges of two adjacent aluminum templates are mutually abutted, the two mutually abutted bulges are mutually fixed through a quick-release mechanism, a cavity is formed in each aluminum template, a plurality of through holes communicated with the cavity are formed in the surface, opposite to the bulges, of each aluminum template, a wall-releasing column penetrates through the through holes, one end of each wall-releasing column is flush with the side wall of each aluminum template, and a driving mechanism for driving the wall-releasing column to extend out of the side wall of each aluminum template is arranged in each cavity. The quick-release mechanisms universal for the two adjacent aluminum templates are mutually fixed, after concrete pouring is completed, the quick-release mechanisms are released, the driving mechanisms are utilized to push the wall-releasing columns to stretch out of the side walls of the aluminum templates, the wall-releasing columns exert acting forces on the concrete wall, so that the aluminum templates are quickly released from the concrete wall, and operation of workers is facilitated.

Description

Aluminum template for precast concrete pouring

Technical Field

The invention relates to the technical field of aluminum templates, in particular to an aluminum template for pouring precast concrete.

Background

The aluminum formwork is also called as a building aluminum formwork and an aluminum alloy formwork, belongs to a novel building formwork in China at present, consists of aluminum profiles, a supporting system, a fastening system and an accessory system, is suitable for all building components such as bearing walls, pillars, beams, stairs, balconies and the like, can be poured at one time through cement, and is widely applied to various fields of reinforced concrete building structures.

Currently, as disclosed in chinese patent utility model publication No. CN207686272U, an aluminum formwork for cylindrical concrete pouring includes an aluminum alloy panel, a semicircular convex ring is fixed on the top surface of the aluminum alloy panel, the inner wall of the convex ring is flush with the inner wall of the aluminum alloy panel, and a semicircular groove adapted to the size of the convex ring is formed on the bottom surface of the aluminum alloy panel; the top surface periphery of aluminum alloy panel is equipped with semicircular upper ring plate, and the upper surface of upper ring plate flushes with aluminum alloy panel's top surface, and aluminum alloy panel's bottom surface periphery is equipped with semicircular lower ring plate, and upper ring plate and lower ring plate pass through a plurality of bolt reciprocal anchorage.

The above prior art solutions have the following drawbacks: after concrete placement accomplished, need dismantle the aluminum mould board, foretell aluminum mould board is dismantling the in-process, need unscrew a plurality of bolts, and aluminum mould board and concrete wall body laminating are inseparable, are difficult to break away from, and the staff dismantles more difficultly.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the aluminum formwork for pouring the precast concrete, which has the effect of conveniently disassembling the aluminum formwork and improves the working efficiency of workers.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an aluminum mould board for precast concrete pouring, includes a plurality of aluminum mould boards of splicing each other, one side edge of aluminum mould board is fixed with the arch perpendicularly, adjacent two the mutual butt of arch of aluminum mould board, two mutual butts the arch is through quick detach mechanism reciprocal anchorage, the cavity has been seted up to the inside of aluminum mould board, a plurality of perforation that are linked together with the cavity are seted up to the bellied one side in the back of aluminum mould board, wear to be equipped with in the perforation and take off the wall post, the one end of taking off the wall post flushes with the lateral wall of aluminum mould board each other, be provided with the actuating mechanism that the drive is taken off the wall post and is stretched out the aluminum mould.

Through adopting above-mentioned technical scheme, a plurality of aluminum mould boards pass through the fixed concatenation of quick detach mechanism, concrete placement accomplishes the back, need dismantle the aluminum mould board, remove quick detach mechanism to a plurality of aluminum mould board's fixed back, utilize actuating mechanism to promote the wall column of taking off and remove in the perforation, when the lateral wall that the aluminum mould board was stretched out to the wall column of taking off, a plurality of wall columns of taking off exert balanced effort to the concrete wall body, the aluminum mould board receives the reaction force that concrete wall body provided, make the aluminum mould board can break away from each other with the concrete wall body fast, make things convenient for the dismantlement operation of aluminum mould board, and the work efficiency is improved.

The present invention in a preferred example may be further configured to: the quick-release mechanism comprises a frame piece, two abutting plates and two fixing screw rods, the frame piece comprises a connecting plate and two bending plates which are vertically arranged on two sides of the connecting plate respectively, the frame piece is sleeved with the two protrusions which are abutted to each other, the abutting plates are located between the bending plates and the protrusions, the abutting plates are abutted to the protrusions, one sides of the abutting plates are abutted to the aluminum template, one ends of the fixing screw rods are rotatably connected with the abutting plates, and the fixing screw rods penetrate through the bending plates in a threaded manner.

By adopting the technical scheme, during installation, the frame piece is sleeved outside the two mutually abutted bulges, the fixing screw rod is rotated, the abutting plate can be driven to move towards the bulges, the abutting plate and the bulges are abutted tightly, and the two aluminum templates are fixed mutually; when the aluminum template is disassembled, the fixing screw rods are rotated reversely, so that the abutting plate moves in a mode of being back to the bulges, the frame piece can be separated from the two bulges, and the structure is convenient for disassembling the two aluminum templates.

The present invention in a preferred example may be further configured to: actuating mechanism includes power screw rod, preforming, four pushers and four sticks up the pole, the traveller stretches into the one end and the pushers fixed connection of cavity, the power screw rod rotates and sets up in the middle part of cavity, the preforming is worn to locate by the power screw rod screw thread, the one end of power screw rod is stretched out the aluminium mould board and is kept away from fenestrate lateral wall, the lateral wall of cavity is provided with a plurality of articulated seats, articulated seat is located between preforming and the pushers, stick up the middle part of pole and rotate with articulated seat and be connected, stick up the both ends of pole and rotate and sliding connection with preforming and pushers respectively through rotatory glide machanism.

By adopting the technical scheme, the power screw rod is rotated to drive the pressing sheet to move back and forth in the length direction of the power screw rod, the warping rod utilizes the lever principle to enable two ends of the warping rod to turn over oppositely, when the pressing sheet drives one end of the warping rod to move towards one side of the through hole, the other end of the warping rod drives the pushing sheet to move back towards the through hole, one end of the wall-releasing column is flush with the side wall of the aluminum template, and the surface of the concrete after pouring and forming can be smooth; when the preforming drives the one end of stick up the pole and perforates one side removal dorsad, stick up the other end drive push jack of pole and move towards the perforation, the lateral wall of aluminium template is stretched out to the one end of detached wall post, provides the effort to the concrete wall body, makes the aluminium template can break away from the concrete wall body fast.

The present invention in a preferred example may be further configured to: the rotary sliding mechanism is arranged as a sliding column, the push piece and the pressing piece are both provided with embedding openings for the tilting rod to extend into, the two opposite side walls of the embedding openings are both provided with translation grooves, the two ends of the sliding column are respectively connected with the two translation grooves in a sliding mode, and the sliding column is rotatably connected with the end portion of the tilting rod.

Through adopting above-mentioned technical scheme, when the stick up the pole and be upset motion around articulated seat, because stick up the length of pole and do not change, utilize the traveller to slide at translation inslot portion, and the traveller rotates with stick up the pole and be connected, make stick up the pole when drive push jack and preforming remove, produce the change of mutual displacement and angle with push jack and preforming simultaneously, guarantee actuating mechanism can implement.

The present invention in a preferred example may be further configured to: the lateral wall of cavity is provided with a plurality of spacing rings, and is a plurality of the outside that preforming and a plurality of ejector pad were located to the cooperation cover respectively of spacing ring, the spacing ring is seted up and is supplied the dodging mouth that the stick up the pole and pass through.

Through adopting above-mentioned technical scheme, the inside of spacing ring is fixed with the push jack and the preforming is at the removal in-process, and the spacing ring provides the guide effect to push jack and preforming, makes push jack and preforming can be linear motion, avoids push jack and preforming emergence skew.

The present invention in a preferred example may be further configured to: the spacing ring is fixed in the cavity and is close to the perforated lateral wall, the spacing ring is kept away from perforated one side and is extended perpendicularly inwards to have and carry out spacing fender ring to the removal of taking off the wall post, keep off ring and the mutual butt of push jack.

By adopting the technical scheme, when the push sheet moves to be abutted against the baffle ring in a manner of penetrating the hole in the back direction, one end of the wall-releasing column is abutted against the wall body of the aluminum template, so that the phenomenon that the surface of the wall-releasing column is uneven after concrete is poured and molded due to overlarge moving distance can be avoided; when the preforming perforation one side of the back of the body moved with the fender ring when butt each other, the lateral wall of aluminum mould board was stretched out to the one end of detached wall post, provides the effort to the concrete wall body, makes the aluminum mould board can break away from the concrete wall body fast.

The present invention in a preferred example may be further configured to: one side that aluminium template was kept away from to the arch is fixed with the scrap (bridge) inwards perpendicularly, leave the interval that supplies the bending plate to pass through between bending plate and the scrap (bridge), support the mutual butt of one side of board and scrap (bridge) orientation aluminium template.

By adopting the technical scheme, when the abutting plate and the bulge are abutted tightly, the lap edge can block the abutting plate, so that the abutting plate can be prevented from moving back to the aluminum template to separate from the bulge, and the connection stability of the two aluminum templates is enhanced.

The present invention in a preferred example may be further configured to: one side of the protrusion facing the abutting plate is vertically provided with a plurality of inserting columns, the inserting columns penetrate through the abutting plate in a sliding mode, and the length of each inserting column is smaller than the width of the lap.

By adopting the technical scheme, in the process that the supporting plate moves towards the bulge, the inserting column penetrates through the supporting plate to further fix the supporting plate, so that the relative displacement between the supporting plate and the surface of the bulge is avoided, and meanwhile, the movement of the supporting plate is guided, so that the supporting plate can move linearly.

The present invention in a preferred example may be further configured to: the aluminum mould board is close to bellied four sides and all fixedly is provided with two limiting plates that are L shape setting, two the limiting plate is close to the mutual butt of lateral wall that the bight position was put with the frame respectively.

Through adopting above-mentioned technical scheme, when installing the frame, place the frame between two limiting plates, the mutual butt of lateral wall of limiting plate and frame bight position can carry out prepositioning to the mounted position of frame, makes the post of inserting can accurately pass and support the board, makes things convenient for the installation of aluminum mould board fixed.

The present invention in a preferred example may be further configured to: the fixed screw rod stretches out the fixed knob that is provided with of one end of buckling plate, the fixed carousel that is provided with of one end that the power screw rod stretches out the aluminum mould lateral wall.

Through adopting above-mentioned technical scheme, utilize the knob to drive clamping screw and rotate, be convenient for carry out the dismouting operation to the aluminum mould board, utilize the carousel to drive the power screw and rotate, be convenient for drive and come off the wall post and remove in the perforation to can make the aluminum mould board break away from concrete wall body fast.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the aluminum formworks are fixedly spliced through the quick-release mechanism, after concrete pouring is completed, the aluminum formworks need to be disassembled, after the quick-release mechanism is released from fixing the aluminum formworks, the driving mechanism is utilized to push the wall-releasing columns to move in the through holes, when the wall-releasing columns extend out of the side walls of the aluminum formworks, the wall-releasing columns exert balanced acting force on the concrete wall, the aluminum formworks receive the reacting force provided by the concrete wall, so that the aluminum formworks can be quickly separated from the concrete wall, the aluminum formworks can be conveniently disassembled, and the working efficiency is improved;

2. during installation, the frame piece is sleeved outside the two mutually abutted bulges, the fixing screw rod is rotated to drive the abutting plate to move towards the bulges, so that the abutting plate and the bulges are abutted tightly, the two aluminum templates are fixed with each other, and during disassembly, the fixing screw rod is rotated reversely to enable the abutting plate to move back to the bulges, so that the frame piece can be separated from the two bulges, and the structure is convenient for disassembling the two aluminum templates;

3. rotate the power screw rod, can drive the preforming at the length direction round trip movement of power screw rod, stick up the pole and utilize lever principle, make its both ends overturning movement mutually back on the back, when the preforming drives the one end of sticking up the pole and moves towards fenestrate one side, stick up the other end drive push jack of pole and perforate the removal dorsad, the one end that makes the post of separating from the wall flushes with the lateral wall of aluminium template, can make the surfacing after the concrete placement shaping, when the preforming drives the one end of sticking up the pole and perforates one side removal dorsad, stick up the other end drive push jack of pole and move towards the perforation, the lateral wall of aluminium template is stretched out to the one end of post of separating from the wall, provide the effort to the concrete wall, make the aluminium template.

Drawings

FIG. 1 is a schematic structural view of an aluminum formwork for precast concrete casting;

FIG. 2 is a schematic view showing an internal structure of an aluminum formwork for precast concrete pouring;

FIG. 3 is a schematic structural view of the frame member;

FIG. 4 is a schematic cross-sectional view A-A of FIG. 1;

fig. 5 is a schematic sectional view of B-B in fig. 1.

In the figure, 1, an aluminum template; 11. a protrusion; 111. lapping; 112. inserting a column; 12. a limiting plate; 13. a cavity; 14. a limiting ring; 141. avoiding the mouth; 142. a baffle ring; 15. perforating; 2. a frame member; 21. a connecting plate; 22. a bending plate; 221. fixing the screw rod; 2211. a knob; 222. a resisting plate; 2221. a through hole; 223. a first threaded hole; 3. pushing the sheet; 31. detaching the wall column; 32. embedding an inlet; 33. a translation slot; 4. raising the rod; 41. a hinged seat; 42. a traveler; 5. tabletting; 51. a second threaded hole; 52. a power screw; 521. a turntable.

Detailed Description

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

Referring to fig. 1 and 2, the aluminum formwork for precast concrete pouring disclosed by the invention comprises a plurality of aluminum formworks 1 which are spliced with each other, wherein one edge of each aluminum formwork 1 vertically extends to form a protrusion 11, four protrusions 11 are arranged in a frame shape, the protrusions 11 of two adjacent aluminum formworks 1 are mutually abutted, and the two mutually abutted protrusions 11 are mutually fixed through a quick-release mechanism.

Referring to fig. 2 and 3, the quick release mechanism includes frame 2, two abutting plates 222 and two fixing screws 221, the frame 2 is u-shaped, the frame 2 includes a connecting plate 21 and two bending plates 22, the two bending plates 22 are perpendicularly fixed to two sides of the connecting plate 21, the two bending plates 22 all extend toward the same side of the connecting plate 21, and the frame 2 is sleeved on two protrusions 11 that abut against each other. The two abutting plates 222 are respectively located on opposite sides of the two bending plates 22, the two abutting plates 222 are respectively abutted against opposite sides of the two protrusions 11, the two protrusions are abutted against each other, one end of the fixing screw 221 is rotatably connected with the middle of the abutting plate 222, and the fixing screw 221 is perpendicular to the abutting plate 222.

First threaded holes 223 aligned with the fixing screws 221 are formed in the bending plate 22, one end of the fixing screw 221, which is far away from the abutting plate 222, is threaded through the first threaded holes 223, and one end of the fixing screw 221, which extends out of the bending plate 22 and faces away from the abutting plate 222, is connected with a knob 2211. The fixing screw 221 is rotated to move the abutting plate 222 towards the protrusion 11, and the side of the abutting plate 222 away from the connecting plate 21 abuts against the surface of the aluminum mold plate 1, so that the abutting plate 222 can be prevented from rotating synchronously with the fixing screw 221. The abutting plate 222 abuts against the protrusion 11, so that the frame 2 and the aluminum mold plate 1 are fixed to each other, and the side edges of two adjacent aluminum mold plates 1 are fixed to each other. When aluminum mould board 1 is disassembled and assembled, fixing screw 221 is rotated reversely, abutting plate 222 moves to the position mutually abutted with bending plate 22 in the direction opposite to protrusion 11, frame 2 can be separated from two protrusions 11, and the aluminum mould board 1 is conveniently disassembled.

The side of the protrusion 11 away from the aluminum mold plate 1 is vertically extended with a flange 111, and the flange 111 extends towards the inner side of the protrusion 11. A space for the lap 111 to pass through is reserved between one side of the abutting plate 222 and the connecting plate 21, a space for the abutting plate 222 to pass through is reserved between the bending plate 22 and the lap 111, one surface of the lap 111 facing the aluminum formwork 1 is abutted against one side of the abutting plate 222, the lap 111 and the abutting plate 222 form a blocking effect, the abutting plate 222 can be prevented from being separated from the protrusion 11, and the connection stability of two adjacent aluminum formworks 1 is enhanced.

Two inserting columns 112 are vertically fixed on one surface of the protrusion 11 facing the abutting plate 222, two through holes 2221 are formed in the abutting plate 222, the inserting columns 112 are aligned with the through holes 2221, one end of each inserting column 112, which is far away from the protrusion 11, penetrates through the through holes 2221, and the length of each inserting column 112 is smaller than the width of the lap 111. The end of the insertion column 112 away from the protrusion 11 is a conical head, which can provide a guiding function for the insertion column 112, so that the insertion column 112 can be accurately inserted into the through hole 2221, and the insertion column 112 provides a limiting and guiding function for the movement of the abutting plate 222, thereby preventing the abutting plate 222 from shifting.

Referring to fig. 1, the surface of the aluminum template 1 near the four side protrusions 11 is fixed with two limiting plates 12 arranged in an L shape, the limiting plates 12 are located on the inner sides of the protrusions 11, and the two limiting plates 12 located on the same side of the aluminum template 1 are oppositely bent. The two limit plates 12 are respectively abutted against the two sides of the frame 2 close to the side walls of the corners, so that the mounting position of the frame 2 is limited, and the frame 2 is prevented from moving on the aluminum formwork 1.

Referring to fig. 4 and 5, a cavity 13 is formed in the aluminum template 1, four through holes 15 are formed in one surface, back to the protrusion 11, of the aluminum template 1, the through holes 15 are communicated with the cavity 13, a wall releasing column 31 is arranged in the through holes 15 in a matched and sliding mode, and one end of the wall releasing column 31 is flush with one surface, back to the protrusion 11, of the aluminum template 1. The cavity 13 is internally provided with a driving mechanism for driving the wall-separating column 31 to extend out of the side wall of the aluminum template 1, the driving mechanism comprises a pressing sheet 5, a power screw 52, four pushing sheets 3 and four warping rods 4, and the pushing sheets 3 and one end of the wall-separating column 31 extending into the cavity 13 are fixedly connected. The power screw 52 is rotatably mounted in the middle of the cavity 13, the power screw 52 is perpendicular to the side wall of the cavity 13 close to the through hole 15, a second threaded hole 51 is formed in the middle of the pressing sheet 5, the power screw 52 is threaded through the second threaded hole 51, one end of the power screw 52 extends out of the middle of the side wall of the aluminum template 1 close to the protrusion 11, and the power screw is fixedly connected with the rotary table 521.

Referring to fig. 2 and 4, the wall of cavity 13 is fixed with four articulated seats 41, and four articulated seats 41 equidistance hoop are arranged in the outside of preforming 5, and articulated seat 41 is located between preforming 5 and push jack 3, and the middle part of stick up pole 4 rotates with articulated seat 41 to be connected, and the both ends of stick up pole 4 rotate and sliding connection with preforming 5 and push jack 3 respectively through rotatory glide machanism. Rotatory glide machanism sets up to traveller 42, and ejector pad 3 and preforming 5 have all been seted up and stick up the corresponding embedding mouth 32 of pole 4, and one has been seted up to the embedding mouth 32 of ejector pad 3, and four have been seted up to the embedding mouth 32 on the preforming 5, and embedding mouth 32 runs through two relative lateral walls of ejector pad 3 and preforming 5, and translation groove 33 has all been seted up to the relative both sides wall of embedding mouth 32, traveller 42's both ends respectively with two translation grooves 33 sliding connection, stick up the tip and the traveller 42 rotation of pole 4 and be connected.

By rotating the power screw 52, the pressing piece 5 is driven to move in the longitudinal direction of the power screw 52. When preforming 5 removed towards one side of perforation 15, traveller 42 slided in translation groove 33 inside, traveller 42 drives the one end synchronous motion of perk pole 4, utilizes lever principle, and the both ends of perk pole 4 overturn mutually oppositely to make perk pole 4 pulling ejector pad 3 and the removal of wall post 31 perforation 15 dorsad remove, make the one end of removal of wall post 31 flush with the surface of aluminum mould board 1, during the concreting, the binding face of aluminum mould board 1 and concrete wall body can keep leveling. When the pressing sheet 5 moves towards one side of the through hole 15, the pushing sheet 3 drives the detaching columns 31 to move towards one side of the through hole 15, one ends, far away from the pushing sheet 3, of the detaching columns 31 extend out of one side, towards the concrete wall, of the aluminum template 1, and the four detaching columns 31 exert balanced acting force on the concrete wall on the surface of the aluminum template 1, so that the aluminum template 1 is separated from the concrete wall quickly, and the aluminum template 1 is convenient to disassemble.

The cavity 13 is close to the lateral wall vertical fixation of perforation 15 has five spacing rings 14, and preforming 5 and four ejector pad 3 sliding connection are inside 5 spacing rings 15 respectively, offer the mouth 141 of dodging that supplies corresponding stick up 4 to pass on the spacing ring 14, and spacing ring 14 provides the guide effect to the removal of preforming 5 and ejector pad 3, makes preforming 5 and ejector pad 3 can linear motion.

Referring to fig. 1, when the knock-out post 31 is moved away from the through-hole 15 by an excessively large distance, a depression is left at the position of the through-hole 15, resulting in unevenness of the surface formed when concrete is poured. A stop ring 142 vertically extends inwards from one side of the limiting ring 14 away from the through hole 15, when the push sheet 3 and the stop ring 142 are abutted against each other, one end of the wall-releasing column 31 is flush with the wall surface of the aluminum template 1, and the movement of the wall-releasing column 31 is limited; when the pressing sheet 5 and the retaining ring 142 are abutted against each other, one end of the wall releasing column 31, which is far away from the pushing sheet 3, extends out of the wall surface of the aluminum formwork 1, so that the aluminum formwork 1 is released from the concrete wall.

The implementation principle of the embodiment is as follows: when two adjacent aluminum formworks 1 are fixed, when the frame member 2 is sleeved outside the two mutually abutted protrusions 11, the fixing screw 221 is rotated, the driving abutting plate 222 is abutted against the protrusions 11, and the two adjacent aluminum formworks 1 are fixed with each other. The power screw 52 is rotated to enable the pressing sheet 5 to move towards one side of the through hole 15, the warping rod 4 pushes the pushing sheet 3 to move back to the through hole 15 through the lever principle, one end of the wall releasing column 31 is flush with the wall surface of the aluminum template 1, and the surface of the poured and formed concrete is smooth. When the aluminum mold plate 1 is disassembled, the fixing screw 221 is rotated to move the abutting plate 222 back to the protrusion 11 to abut against the bending plate 22, and the frame 2 can be separated from the two protrusions 11 to separate the two aluminum mold plates 1 from each other. Rotate power screw 52 afterwards, drive preforming 5 moves to one side of perforation 15 dorsad, sticks up pole 4 and promotes the push jack 3 and move towards perforation 15, and the wall that the wall post 31 stretches out aluminium template 1 exerts the effort to the concrete wall, and aluminium template 1 receives the reaction force that the concrete provided, makes aluminium template 1 and concrete wall body quickly separating, makes things convenient for staff's operation.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an aluminium template for precast concrete pouring which characterized in that: aluminum mould board (1) including a plurality of mutual concatenations, one side edge of aluminum mould board (1) is fixed with arch (11), adjacent two protruding (11) butt each other of aluminum mould board (1), two mutual butts protruding (11) are through quick detach mechanism reciprocal anchorage, cavity (13) have been seted up to the inside of aluminum mould board (1), a plurality of perforation (15) that are linked together with cavity (13) are seted up to the one side of aluminum mould board (1) arch (11) dorsad, wear to be equipped with in perforation (15) and take off wall post (31), the one end of taking off wall post (31) flushes with the lateral wall of aluminum mould board (1) each other, be provided with the actuating mechanism that drive takes off wall post (31) stretches out aluminum mould board (1) lateral wall in cavity (13).

2. The aluminum formwork for precast concrete pouring according to claim 1, wherein: the quick release mechanism comprises a frame (2), two abutting plates (222) and two fixing screws (221), wherein the frame (2) comprises a connecting plate (21) and two bending plates (22) which are vertically arranged on two sides of the connecting plate (21) respectively, the frame (2) is sleeved on two protrusions (11) which are abutted to each other, the abutting plates (222) are located between the bending plates (22) and the protrusions (11), the abutting plates (222) are abutted to the protrusions (11) mutually, one sides of the abutting plates (222) are abutted to the aluminum template (1) mutually, one ends of the fixing screws (221) are rotatably connected with the abutting plates (222), and the fixing screws (221) are threaded through the bending plates (22).

3. The aluminum formwork for precast concrete pouring according to claim 2, wherein: actuating mechanism includes power screw rod (52), preforming (5), four kickers (3) and four stick up pole (4), the one end and kicker (3) fixed connection of cavity (13) are stretched into in traveller (42), power screw rod (52) rotate and set up in the middle part of cavity (13), preforming (5) are worn to locate by power screw rod (52) screw thread, the lateral wall of perforation (15) is kept away from in aluminum mould board (1) is stretched out to the one end of power screw rod (52), the lateral wall of cavity (13) is provided with a plurality of articulated seats (41), articulated seat (41) are located between preforming (5) and kicker (3), stick up the middle part and articulated seat (41) rotation of pole (4) and be connected, stick up the both ends of pole (4) and rotate and sliding connection with preforming (5) and kicker (3) respectively through rotatory glide machanism.

4. The aluminum formwork for precast concrete pouring according to claim 3, wherein: rotatory glide machanism sets up to traveller (42), inlay mouth (32) that supply to stick up pole (4) and stretch into are all seted up in ejector pad (3) and preforming (5), the relative both sides wall that inlays mouth (32) has all been seted up translation groove (33), the both ends of traveller (42) respectively with two translation groove (33) sliding connection, traveller (42) and the end rotation of stick up pole (4) are connected.

5. The aluminum formwork for precast concrete pouring according to claim 4, wherein: the lateral wall of cavity (13) is provided with a plurality of spacing rings (14), and is a plurality of the outside of preforming (5) and a plurality of kicking plate (3) is located to spacing ring (14) cooperation cover respectively, spacing ring (14) are seted up and are supplied dodging mouth (141) that stick up pole (4) and pass through.

6. The aluminum formwork for precast concrete pouring according to claim 5, wherein: spacing ring (14) are fixed in cavity (13) and are close to the lateral wall of perforation (15), one side that perforation (15) were kept away from in spacing ring (14) extends perpendicularly inwards and has the fender ring (142) that carries out spacing to the removal of detached wall post (31), keep off ring (142) and push jack (3) mutual butt.

7. The aluminum formwork for precast concrete pouring according to claim 2, wherein: one side of the protrusion (11) far away from the aluminum template (1) is inwards and vertically fixed with a lap (111), a space for the bending plate (22) to pass through is reserved between the bending plate (22) and the lap (111), and the abutting plate (222) and one surface of the lap (111) facing the aluminum template (1) are mutually abutted.

8. The aluminum formwork for precast concrete pouring according to claim 7, wherein: one surface of the protrusion (11) facing the abutting plate (222) is vertically provided with a plurality of inserting columns (112), the inserting columns (112) penetrate through the abutting plate (222) in a sliding mode, and the length of the inserting columns (112) is smaller than the width of the lap (111).

9. The aluminum formwork for precast concrete pouring according to claim 8, wherein: four sides that aluminium template (1) is close to arch (11) are all fixed and are provided with two limiting plate (12) that are L shape setting, two limiting plate (12) are close to the mutual butt of lateral wall that the bight position was put with frame spare (2) respectively.

10. The aluminum formwork for precast concrete pouring according to claim 3, wherein: the one end that fixed screw (221) stretched out bent plate (22) is fixed and is provided with knob (2211), the one end that power screw (52) stretched out aluminum mould board (1) lateral wall is fixed and is provided with carousel (521).