CN115229962A - Demoulding and forming method of concrete prefabricated part - Google Patents
Demoulding and forming method of concrete prefabricated part Download PDFInfo
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- CN115229962A CN115229962A CN202210936484.5A CN202210936484A CN115229962A CN 115229962 A CN115229962 A CN 115229962A CN 202210936484 A CN202210936484 A CN 202210936484A CN 115229962 A CN115229962 A CN 115229962A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000004567 concrete Substances 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000010009 beating Methods 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 9
- 230000008602 contraction Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 9
- 238000007689 inspection Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
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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
- 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
- B28B13/067—Removing the shaped articles from moulds by applying blows or vibrations followed by, or during, the removal of a mould part
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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
Abstract
The invention relates to the technical field of prefabricated part forming and demoulding, in particular to a demoulding and forming method of a concrete prefabricated part, which comprises a shell, an outer mould, an outer demoulding device, an inner mould, an inner demoulding device and an outer demoulding device, wherein the inner mould is arranged inside an upper box body of the shell, the outer mould is arranged outside the circumference of the inner mould, the inner demoulding device is arranged right below the inner mould, the outer demoulding device is arranged right above the outer demoulding device, and the outer demoulding device is arranged outside the left side surface and the right side surface of the inner wall of the upper box body of the shell. The invention can solve the problems that the prior prefabricated part is difficult to control the knocking force and keep the knocking point position uniform when the mould is knocked manually in the demoulding process, the prefabricated part is easy to crack, the inner wall of the prefabricated part is easy to damage due to the difficulty in thorough demoulding between the inner mould and the prefabricated part, and the like.
Description
Technical Field
The invention relates to the technical field of prefabricated part forming and demoulding, in particular to a demoulding and forming method of a concrete prefabricated part.
Background
The concrete inspection well is one of inspection well types and is composed of concrete, mortar, bricks, broken stones and other materials; the method is generally used for various inspection operations of urban underground infrastructure; the process flow of the inspection well is as follows: the inspection well mold forming → installation → maintenance → finished product protection → demolding, and the demolding has great influence on the use of the subsequent inspection well.
The demolding mode mainly has the following problems in the demolding process: 1. the mould is beaten to the manual work when beating the mould difficult to control and beat the dynamics and keep beating the point position even, causes the cracked problem of prefabricated component appearance easily.
2. Inspection shaft mould is in order to guarantee the compactness of laminating between the mould when using, prevents that the mould from taking place to leak at slip casting in-process, needs the locking with bolt and nut one by one, also need opening one by one during the drawing of patterns, and the process is loaded down with trivial details.
3. The outer die can be conveniently knocked when the prefabricated part is demolded, but the inner die is inconvenient to knock, and in the process of hoisting the prefabricated part after the outer die is knocked and demolded, the surface of the prefabricated part is usually damaged because the inner die is not completely separated from the prefabricated part.
The invention provides a demoulding and forming method of a concrete prefabricated part, aiming at improving the demoulding efficiency of the prefabricated part and preventing the problems of cracks, edge deletion, corner falling and the like of the prefabricated part in the demoulding process.
Disclosure of Invention
The technical problem to be solved is that the demolding and molding method for the concrete prefabricated part, provided by the invention, can solve the problems of the prefabricated part in the molding and demolding process.
A demoulding and forming method of a concrete prefabricated part comprises the following steps:
s1, uniformly beating the outer wall of an outer mold through an outer demolding device to completely separate the inner wall of the outer mold from the outer wall of the prefabricated part;
s2, opening the locking position of the outer mold through a fixing device, and pulling the outer mold to be separated from the outer wall of the prefabricated part through an outer demolding device;
s3, finally, uniformly beating the inner wall of the inner mold by the inner demolding device in a mode of moving up and down and rotating, and rotating the inner mold to enable the inner mold to be completely separated from the inner wall of the prefabricated part;
s4, finally, lifting the prefabricated part out in a lifting mode to complete demoulding;
the demolding and forming method of the concrete prefabricated part is completed by matching the shell, the outer mold, the outer demolding device, the inner mold, the inner demolding device and the fixing device; comprises a shell, an outer die, an outer demoulding device, an inner die, an inner demoulding device and a fixing device; a circular limiting groove is formed in the lower end face of the inner portion of the cavity of the shell, and an inner die is arranged inside the circular limiting groove in a rotating connection mode; the inner die is of a hollow cylindrical structure, an inner demolding device is arranged right below the inner die, and the inner demolding device is positioned right below the shell cavity; an outer die is arranged inside the cavity of the shell and positioned outside the inner die, and the outer die is of a two-half circular ring structure; the left inner wall and the right inner wall of the cavity of the shell are symmetrically provided with outer demoulding devices; u-shaped limiting grooves are formed in the outer wall splicing positions of the two semi-circular rings of the outer die, and the U-shaped limiting grooves are matched with the fixing device; the fixing device is arranged in the middle position above the inner part of the housing cavity in a fixed connection mode.
The outer demoulding device comprises an actuating motor, a U-shaped bracket, a wave-shaped groove shaft, an L-shaped rod, a fixing plate, a beating hammer and a clamping mechanism; the middle positions of the end surfaces of the left side and the right side of the shell are both provided with actuating motors through motor bases, output shafts of the actuating motors are provided with wave-shaped groove shafts through flanges, the wave-shaped groove shafts are movably arranged on U-shaped supports, and the U-shaped supports are symmetrically arranged inside the left side wall and the right side wall of the shell in a fixed mode; the upper and lower positions of the inner groove of the circumferential outer wall of the wave-shaped groove shaft are matched with the L-shaped rod in a movable mode; one ends of the two L-shaped rod horizontal sections on the same side, which are far away from the corrugated groove shaft, are respectively provided with a fixing plate in a fixing mode; the end surfaces of the fixing plates, which are far away from the corrugated groove shafts, are uniformly provided with beating hammers in a fixing mode; the clamping mechanisms are arranged on the left end face and the right end face of the inner wall of the shell in a fixed connection mode, and the two clamping mechanisms are symmetrically arranged in the front and back direction.
The clamping mechanism comprises an external demoulding hydraulic rod, an external demoulding cylinder, a V-shaped groove plate, a positioning rod, a positioning plate and a clamping claw, wherein the external demoulding cylinder is fixedly arranged in an extension rod of the external demoulding hydraulic rod; a V-groove plate is fixedly mounted at the contraction end of the outer demolding cylinder, and the front end surface and the rear end surface of the V-groove plate are matched with the positioning plate in a sliding mode; the positioning plates are connected with the front end face and the rear end face of the inner wall of the left end of the extension rod of the external demoulding hydraulic rod in a fixed mode, and the two positioning plates are symmetrically arranged in front and at the rear; two limiting grooves are symmetrically formed in the upper end faces of the two positioning plates; the upper end surface of the V-shaped groove plate is provided with two V-shaped grooves, the V-shaped grooves are matched with the positioning rod in a sliding mode, and the positioning rod is arranged at the front and back symmetrical positions in the V-shaped grooves; the other end of the positioning rod on the same V-shaped groove plate is matched with the limiting groove in a sliding mode, and the positioning rod is connected with the clamping claw in a fixing mode.
The inner demoulding device comprises a circular bottom plate, a hydraulic cylinder, a bracket, an auxiliary motor, a driving belt wheel, a driven belt wheel, an inner demoulding hydraulic rod, a telescopic rod, a rotary table and an umbrella-shaped mechanism; a round bottom plate is arranged in the middle position right below the cavity of the shell; a hydraulic cylinder is fixedly arranged in the middle of the upper end face of the circular bottom plate; a bracket is fixedly arranged on the upper end surface of the output end of the hydraulic cylinder; an auxiliary motor is arranged on the end face of the right side of the bracket; the output shaft of the auxiliary motor is provided with a driving belt wheel through a flange; a driven belt wheel is rotatably arranged on the bracket at the adjacent position on the left side of the driving belt wheel, and the driving belt wheel is connected with the driven belt wheel through a transmission belt; a support rod is arranged in the middle of the upper end face of the driven belt wheel in a fixed mode, and electric telescopic rods are symmetrically arranged at the left end and the right end of the upper end face of the driven belt wheel in a fixed mode; the top ends of the two electric telescopic rods are fixedly connected with a turntable together; the upper end of the supporting rod penetrates through the turntable, and the supporting rod is matched with the turntable; the outer wall of the upper end of the supporting rod is provided with an umbrella-shaped mechanism, and the umbrella-shaped mechanism is matched with the turntable.
The umbrella-shaped mechanism comprises a sliding sleeve, a connecting rod, a knocking hammer and a fixing ring, wherein the fixing ring is arranged on the circumferential outer wall of the top end of the supporting rod in a fixed connection mode, the knocking rod is uniformly arranged on the circumferential outer wall of the fixing ring in a rotating connection mode, the knocking hammer is arranged at one end, away from the fixing ring, of the knocking rod, the sliding sleeve is fixedly arranged in the middle of the turntable, the connecting rod is uniformly arranged on the circumferential outer wall of the sliding sleeve in a hinged mode, and the other end of the connecting rod is connected to the middle position of the knocking rod in a hinged mode; the number of the knocking rods corresponds to that of the connecting rods one to one.
The fixing device comprises a buckle, a supporting plate, a driving gear, a driven gear, a cam plate, a rocker, a swinging connecting rod, a sliding column, a moving rod, a sucker, an M-shaped groove and a fixing frame; (ii) a The inner part of the shell is fixedly provided with a supporting plate, the supporting plate is provided with a motor through a motor base, an output shaft of the motor is provided with a driving gear through a flange, the supporting plate is provided with a driven gear through a bearing, the driven gear is meshed with the driving gear, the front end surfaces of the driving gear and the driven gear are provided with cam plates, the eccentric positions of the cam plates are provided with rocking rods, the other ends of the rocking rods are connected with the middle parts of swinging connecting rods in a rotating connection mode, the upper ends of the swinging connecting rods are arranged on a fixed block in a rotating connection mode, the fixed block is fixedly arranged on the supporting plate, and the number of the swinging connecting rods is two; the lower end of the swing connecting rod is of a square groove structure; the fixing frames are symmetrically arranged on the inner wall of the top end of the cavity of the shell, the fixing frames are provided with M-shaped grooves, sliding columns are arranged inside the M-shaped grooves in a sliding fit mode, moving rods are arranged on the outer walls of the sliding columns in a rotating connection mode, and the sliding columns are sleeved inside the square grooves; a sucker is fixedly arranged on the lower end surface of the movable rod; the buckle is clamped at the U-shaped limiting groove after the two semi-circular rings of the outer die are spliced.
Has the advantages that: 1. the invention provides a demoulding and forming method of a concrete prefabricated part, which comprises the following steps that firstly, a wave-shaped groove shaft drives an L-shaped rod to swing in a reciprocating mode, and a knocking hammer is used for knocking the outer wall of an outer mould; after the knocking is finished, a sucker in the fixing device sucks the buckle away, and then the clamping mechanism controls the clamping claws to separate the two semi-circular ring outer dies through the outer demolding cylinder; finally, the hydraulic cylinder of the inner demoulding device sends the umbrella-shaped mechanism into the inner mould and enables the umbrella-shaped mechanism to move up and down; the inner demolding hydraulic rod drives the turntable to vertically move so as to realize knocking of the inner wall of the inner mold, the inner demolding hydraulic rod rises to enable the knocking hammer to abut against the inner wall of the mold when knocking is finished, and the driving belt wheel and the driven belt wheel can drive the telescopic rod to rotate the turntable, so that the umbrella-shaped mechanism drives the inner mold to rotate, and the inner mold is completely separated from the prefabricated part.
2. When the fixing device adopted by the demoulding and forming method of the concrete prefabricated part is used for fixing the outer mould, the buckles can be placed on the u-shaped limiting grooves of the two outer moulds through the suckers, and the outer mould is sucked away during demoulding, so that the two semi-circular ring moulds can be locked, and the repeatability of work is reduced.
3. According to the internal demolding device adopted by the demolding and forming method for the concrete prefabricated part, in the demolding process of the prefabricated part, the inner wall of the internal mold is uniformly beaten through the umbrella-shaped mechanism, and the internal mold is driven to rotate so as to completely separate the internal mold from the prefabricated part, so that the problems that the prefabricated part is unfilled corner and chipped or cracks appear due to direct demolding caused by adhesion between the prefabricated part and the mold are avoided, and the working accuracy is improved.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a flow chart of the demolding and molding process of the concrete prefabricated part.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a cross-sectional view G-G of fig. 3 of the present invention.
Fig. 5 is a front view of the present invention.
Fig. 6 is a cross-sectional view H-H of fig. 5 of the present invention.
Fig. 7 is an enlarged view of a portion of the invention at a in fig. 2.
Fig. 8 is a partial enlarged view of the invention at B in fig. 5.
Fig. 9 is a partial enlarged view at C in fig. 4 of the present invention.
Fig. 10 is an enlarged view of a portion of the invention at D in fig. 4.
Fig. 11 is an enlarged view of a portion of the invention at E in fig. 6.
Fig. 12 is an enlarged view of a portion of the invention at F in fig. 4.
FIG. 13 is a partial cross-sectional view of the outer stripper.
In the figure: 1. a housing; 2. an outer mold; 3. an outer stripper device; 4. an inner mold; 5. an inner demolding device; 6. a fixing device; 31. an actuator motor; 32. a U-shaped bracket; 33. a wave-shaped groove shaft; 34. an L-shaped rod; 35. a fixing plate; 36. knocking a hammer; 37. a clamping mechanism; 371. an external demoulding hydraulic rod; 372. an outer demoulding cylinder; 373. a V-groove plate; 374. positioning a rod; 375. positioning a plate; 376. a gripper jaw; 51. a circular base plate; 52. a hydraulic cylinder; 53. a support; 54. an auxiliary motor; 55. a driving pulley; 56. a driven pulley; 57. a support bar; 58. a telescopic rod; 59. a turntable; 7. an umbrella mechanism; 71. a sliding sleeve; 72. a connecting rod; 73. a knock bar; 74. knocking the hammer; 75. a fixing ring; 61. buckling; 62. a support plate; 63. a driving gear; 64. a driven gear; 65. a cam plate; 66. a rocker; 67. a swing link; 68. a sliding post; 69. a travel bar; 691. a suction cup; 692. an M-shaped groove; 693. a fixing frame.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, 2 and 4, the concrete prefabricated part is demoulded and formed by the following method:
s1, uniformly beating the outer wall of an outer mold 2 through an outer demolding device 3 to completely separate the inner wall of the outer mold 2 from the outer wall of the prefabricated part;
s2, opening the locking position of the outer mold 2 through the fixing device 6, and pulling the outer mold 2 away from the outer wall of the prefabricated part through the outer demolding device 3;
s3, finally, uniformly beating the inner wall of the inner mold 4 by the inner demolding device 5 in a mode of moving up and down and rotating, and rotating the inner mold 4 to enable the inner mold to be completely separated from the inner wall of the prefabricated part;
s4, finally, lifting the prefabricated part out in a lifting mode to complete demoulding;
the demolding forming method of the concrete prefabricated part is completed by matching the shell 1, the outer mold 2, the outer demolding device 3, the inner mold 4, the inner demolding device 5 and the fixing device 6; a circular limiting groove is formed in the lower end face of the inner portion of the cavity of the shell 1, and an inner die 4 is arranged inside the circular limiting groove in a rotating connection mode; the inner die 4 is of a hollow cylindrical structure, an inner demolding device 5 is arranged right below the inner die 4, and the inner demolding device 5 is located right below the cavity of the shell 1; an outer die 2 is arranged inside the cavity of the shell 1 and outside the inner die 4, and the outer die 2 is of a two-half circular ring structure; the left inner wall and the right inner wall of the cavity of the shell 1 are symmetrically provided with outer demoulding devices 3; the outer wall splicing positions of the two semi-circular rings of the outer mould 2 are both provided with u-shaped limiting grooves, and the u-shaped limiting grooves are matched with the fixing device 6; the fixing device 6 is arranged at the middle position above the inner part of the cavity of the shell 1 in a fixed connection mode.
See fig. 2, 5 and 13; the outer demoulding device 3 comprises an actuating motor 31, a U-shaped bracket 32, a wave-shaped groove shaft 33, an L-shaped rod 34, a fixing plate 35, a beating hammer 36 and a clamping mechanism 37; the middle positions of the end surfaces of the left side and the right side of the shell 1 are both provided with an actuating motor 31 through a motor base, an output shaft of the actuating motor 31 is provided with a wave-shaped groove shaft 33 through a flange, the wave-shaped groove shaft 33 is movably arranged on a U-shaped support 32, and the U-shaped support 32 is symmetrically arranged inside the left side wall and the right side wall of the shell 1 in a fixed mode; the upper and lower inner positions of the circumferential outer wall of the wave-shaped groove shaft 33 are matched with the L-shaped rod 34 in a movable manner; one ends of the horizontal sections of the two L-shaped rods 34 on the same side, which are far away from the corrugated groove shaft 33, are fixedly provided with fixing plates 35; the end surfaces of the fixing plates 35 far away from the corrugated groove shafts 33 are uniformly provided with beating hammers 36 in a fixing mode; two end faces are arranged on the left end face and the right end face of the inner wall of the shell 1 in a fixed connection mode, and two clamping mechanisms 37 are symmetrically arranged in the front and back direction.
See fig. 4, 7, 8, 10 and 12; the fixing device 6 comprises a buckle 61, a support plate 62, a driving gear 63, a driven gear 64, a cam plate 65, a rocker 66, a swinging connecting rod 67, a sliding column 68, a moving rod 69, a suction disc 691, an M-shaped groove 692 and a fixing frame 693; a support plate 62 is fixedly arranged in the shell 1, a motor is arranged on the support plate 62 through a motor base, a driving gear 63 is arranged on an output shaft of the motor through a flange, a driven gear 64 is arranged on the support plate 62 through a bearing, the driven gear 64 is meshed with the driving gear 63, cam plates 65 are arranged on the front end surfaces of the driving gear 63 and the driven gear 64, rockers 66 are arranged at the eccentric positions of the cam plates 65, the other ends of the rockers 66 are connected with the middle parts of the swing connecting rods 67 in a rotating connection mode, the upper ends of the swing connecting rods 67 are arranged on fixed blocks in a rotating connection mode, the fixed blocks are fixedly arranged on the support plate 62, and the number of the swing connecting rods 67 is two; the lower end of the swing connecting rod 67 is of a square groove structure; the fixing frame 693 is symmetrically arranged on the inner wall of the top end of the cavity of the shell 1, the fixing frame 693 is provided with an M-shaped groove 692, a sliding column 68 is arranged inside the M-shaped groove 692 in a sliding fit manner, the outer wall of the sliding column 68 is provided with a moving rod 69 in a rotating connection manner, and the sliding column 68 is sleeved inside the square groove; a suction cup 691 is fixedly arranged on the lower end surface of the moving rod 69; the buckle 61 is clamped at the u-shaped limiting groove after the two half circular rings of the outer die 2 are spliced.
When the outer wall of the prefabricated part is demolded, the output shaft of the actuating motor 31 drives the wave-shaped groove shaft 33 to rotate, the L-shaped rod 34 can only move along the wave-shaped groove track, and when the L-shaped rod 34 is positioned at the wave crest and the wave trough of the wave-shaped groove, the wave-shaped groove shaft 33 continuously rotates to drive the L-shaped rod 34 to do left-right reciprocating linear motion; l shape pole 34 is located the crest and drives strikes hammer 36 and strikes outer mould 2 outer wall, strikes hammer 36 and keeps away from outer mould 2 when L shape pole 34 is located the trough to this reciprocating motion lets outer mould 2 and prefabricated component outer wall break away from through strikeing the vibrations mode.
Then the motor works to drive the driving gear 63 to rotate, and indirectly drives the driven gear 64 to rotate; the driving gear 63 and the driven gear 64 are meshed with each other and simultaneously drive the cam plates 65 connected with the driving gear 63 and the driven gear 64 to rotate, the cam plates 65 rotate to drive the rocker 66 to swing, the rocker 66 swings to enable the swing connecting rod 67 to swing up and down, the swing connecting rod 67 drives the sliding column 68 to slide upwards along the rectangular hole of the sliding column when moving upwards, the sliding column 68 can drive the moving rod 69 to slide upwards along the track of the M-shaped groove 692, and at the moment, the moving rod 69 moves to enable the sucker 691 to suck the buckle 61 to move along the moving track of the sucker 691; the knocking hammer 36 is indirectly driven by the execution motor 31 to knock the outer wall of the outer die 2, so that the bonding part of the outer die 2 and the outer wall of the prefabricated part is separated, and cracks are prevented from occurring during demolding; the department of splicing of outer mould 2 makes buckle 61 lock it through setting up u-shaped spacing groove, is in order to prevent that outer mould 2 splice from appearing leaking.
See fig. 2 and 6 and 11; the clamping mechanism 37 comprises an external demoulding hydraulic rod 371, an external demoulding cylinder 372, a V-shaped groove plate 373, a positioning rod 374, a positioning plate 375 and a clamping claw 376, wherein the external demoulding hydraulic rod 371 is fixedly arranged on the inner wall of the cavity of the shell 1; an external demoulding cylinder 372 is fixedly arranged in an extension rod of the external demoulding hydraulic rod 371; a V-groove plate 373 is fixedly mounted at a contraction end of the outer demolding cylinder 372, and front and rear end surfaces of the V-groove plate 373 are matched with a positioning plate 375 in a sliding manner; the positioning plates 375 are fixedly connected with the front end surface and the rear end surface of the inner wall of the left end of the extension bar of the outer demolding hydraulic bar 371, and two positioning plates 375 are symmetrically arranged in front and at the rear; two limiting grooves are symmetrically arranged on the upper end surfaces of the two positioning plates 375; the upper end face of the V-groove plate 373 is provided with two V-grooves, the V-grooves are matched with the positioning rod 374 in a sliding manner, and the positioning rod 374 is arranged at the front and back symmetrical positions in the V-grooves; the other end of the positioning rod 374 on the same V-shaped groove plate 373 is matched with the limiting groove in a sliding mode, and the positioning rod 374 is connected with the clamping claw 376 in a fixing mode.
Specifically, when the outer wall of the prefabricated part is demolded, after the extension rod of the external demolding hydraulic rod 371 reaches a certain distance, the external demolding cylinder 372 pushes the V-shaped groove plate 373 to enable the positioning rod 374 to move on the limiting groove, and the clamping claw 376 moves through the positioning rod 374 to clamp the external mold 2; the external demoulding hydraulic rod 371 extends out and contracts to separate the external mould 2 from the prefabricated part through the clamping claw 376; the clamping of the outer mold 2 by the clamping claws 376 drives the two semi-circular outer molds 2 to be separated from the prefabricated part at the same time.
Referring to fig. 2, 4, 5 and 6; the inner demoulding device 5 comprises a circular bottom plate 51, a hydraulic cylinder 52, a bracket 53, an auxiliary motor 54, a driving belt wheel 55, a driven belt wheel 56, a support rod 57, an electric telescopic rod 58, a turntable 59 and an umbrella-shaped mechanism 7; a round bottom plate 51 is arranged at the middle position right below the cavity of the shell 1; a hydraulic cylinder 52 is fixedly arranged in the middle of the upper end face of the circular bottom plate 51; the upper end surface of the output end of the hydraulic cylinder 52 is fixedly provided with a bracket 53; an auxiliary motor 54 is arranged on the right end face of the bracket 53; the output shaft of the auxiliary motor 54 is provided with a driving belt wheel 55 through a flange; a driven belt wheel 56 is rotatably arranged on the bracket 53 at the adjacent position on the left side of the driving belt wheel 55, and the driving belt wheel 55 is connected with the driven belt wheel 56 through a transmission belt; a support rod 57 is fixedly arranged in the middle of the upper end face of the driven belt wheel 56, and electric telescopic rods 58 are symmetrically arranged at the left end and the right end of the upper end face of the driven belt wheel 56 in a fixed manner; the top ends of the two electric telescopic rods 58 are fixedly connected with a turntable 59; the upper end of the supporting rod 57 penetrates through the turntable 59, and the supporting rod 57 is matched with the turntable 59; the umbrella-shaped mechanism 7 is arranged on the outer wall of the upper end of the support rod 57, and the umbrella-shaped mechanism 7 is matched with the rotary table 59.
See fig. 4 and 9; the umbrella-shaped mechanism 7 comprises a sliding sleeve 71, a connecting rod 72, a knocking rod 73, a knocking hammer 74 and a fixing ring 75, wherein the fixing ring 75 is arranged on the circumferential outer wall of the top end of the supporting rod 57 in a fixed connection mode, the knocking rod 73 is uniformly arranged on the circumferential outer wall of the fixing ring 75 in a rotating connection mode, the knocking hammer 74 is arranged at one end, away from the fixing ring 75, of the knocking rod 73, the sliding sleeve 71 is installed in the middle of the rotating disc 59 in a fixed mode, the connecting rod 72 is uniformly arranged on the circumferential outer wall of the sliding sleeve 71 in a hinged mode, and the other end of the connecting rod 72 is connected to the middle position of the knocking rod 73 in a hinged mode; the number of the knocking levers 73 corresponds to that of the connecting rods 72.
When the inner wall of the prefabricated part is demoulded, the hydraulic cylinder 52 drives the support 53 to move up and down, the auxiliary motor 54 works to drive the driving belt wheel 55 to rotate, and the driving belt wheel 55 drives the driven belt wheel 56 to rotate through a belt; the driven belt wheel 56 rotates to drive the support rod 57 and the electric telescopic rod 58 to rotate simultaneously, and indirectly drives the turntable 59 to rotate; the electric telescopic rod 58 moves up and down to drive the turntable 59 to move up and down, and when the turntable 59 moves up and down, the connecting rod 72 pulls the knocking rod 73 to realize outward expansion and contraction, so that the inner wall of the inner mold 4 is knocked by the knocking hammer 74; the driven belt wheel 56 rotates to enable the rapping hammer 74 to rap different positions at the same height, the electric telescopic rod 58 can enable the rapping hammer 74 to move up and down to rap different positions at different heights, and the rapping hammer 74 drives the rapping rod 73 to expand outwards through the electric telescopic rod 58 and to abut against the inner wall of the inner mold 4 through the rapping hammer 74 when rapping is completed, so that the inner mold 4 rotates and is completely separated from the inner wall of the prefabricated part; the inner wall of the inner mold 4 is uniformly beaten by the rapping hammer 74, and the inner mold 4 is rotated to completely separate the inner mold 4 from the prefabricated part, so that the problems that the prefabricated part cracks, falls off and the like due to the fact that the prefabricated part is adhered to the inner mold 4 and is demoulded are avoided.
Specifically, demoulding is carried out:
in the first step, the motor 31 is operated to make the L-shaped rod 34 on the corrugated groove shaft 33 drive the rapping hammer 36 to rap the outer wall of the outer mold 2.
In a second step, the catch 61, which locks the outer mould tool 2, is then removed by the fixing device 6.
Thirdly, the outer demolding cylinder 372 drives the V-groove plate 373 to enable the positioning rod 374 to drive the clamping claw 376 to clamp the outer mold 2, and the outer mold 2 is driven to be separated from the prefabricated part through the outer demolding hydraulic rod 371.
Fourthly, the electric telescopic rod 58 drives the rapping hammer 74 to rap the inner wall of the inner die 4 in an indirect working mode, the hydraulic cylinder 52 drives the rapping hammer 74 to move up and down, the driven belt wheel 56 drives the rotating disc 59 to rotate so that the rapping hammer 74 can be rapped at different positions, when rapping is finished, the electric telescopic rod 58 drives the rapping hammer 74 to abut against the inner wall of the inner die 4, then the inner die 4 is indirectly driven to rotate through the driven belt wheel 56, and the inner die is thoroughly separated from the inner wall of the prefabricated part.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A demoulding and forming method of a concrete prefabricated part is characterized in that: the demolding and forming method of the concrete prefabricated part comprises the following steps:
s1, uniformly beating the outer wall of an outer mold (2) through an outer demolding device (3) to completely separate the inner wall of the outer mold (2) from the outer wall of a prefabricated part;
s2, opening the locking position of the outer mold (2) through a fixing device (6), and pulling the outer mold (2) to be separated from the outer wall of the prefabricated part through an outer demolding device (3);
s3, finally, uniformly beating the inner wall of the inner mold (4) by the inner demolding device (5) in a mode of moving up and down and rotating, and rotating the inner mold (4) to enable the inner mold to be completely separated from the inner wall of the prefabricated part;
s4, finally, lifting the prefabricated part out in a lifting mode to complete demoulding;
the demolding and molding method of the concrete prefabricated part is completed by matching the shell (1), the outer mold (2), the outer demolding device (3), the inner mold (4), the inner demolding device (5) and the fixing device (6); wherein: a circular limiting groove is formed in the lower end face of the inner part of the cavity of the shell (1), and an inner die (4) is arranged in the circular limiting groove in a rotating connection mode; the inner die (4) is of a hollow cylindrical structure, an inner demolding device (5) is arranged right below the inner die (4), and the inner demolding device (5) is located right below the cavity of the shell (1); an outer die (2) is arranged inside the cavity of the shell (1) and positioned outside the inner die (4), and the outer die (2) is of a two-half circular ring structure; the left inner wall and the right inner wall of the cavity of the shell (1) are symmetrically provided with outer demoulding devices (3); u-shaped limiting grooves are formed in the splicing positions of the outer walls of the two half circular rings of the outer die (2), and the U-shaped limiting grooves are matched with the fixing device (6); the fixing device (6) is arranged in the middle position above the inner part of the cavity of the shell (1) in a fixed connection mode.
2. The method for demolding and molding a concrete prefabricated part according to claim 1, wherein the method comprises the following steps: the fixing device (6) comprises a buckle (61), a supporting plate (62), a driving gear (63), a driven gear (64), a cam plate (65), a rocker (66), a swinging connecting rod (67), a sliding column (68), a moving rod (69), a sucker (691), an M-shaped groove (692) and a fixing frame (693); the device is characterized in that a supporting plate (62) is fixedly arranged in the shell (1), a motor is arranged on the supporting plate (62) through a motor base, a driving gear (63) is arranged on an output shaft of the motor through a flange, a driven gear (64) is arranged on the supporting plate (62) through a bearing, the driven gear (64) is meshed with the driving gear (63), cam plates (65) are arranged on the front end surfaces of the driving gear (63) and the driven gear (64), rocking rods (66) are arranged at the eccentric positions of the cam plates (65), the other ends of the rocking rods (66) are connected with the middle of swing connecting rods (67) in a rotating connection mode, the upper ends of the swing connecting rods (67) are arranged on fixed blocks in a rotating connection mode, the fixed blocks are fixedly arranged on the supporting plate (62), and the number of the swing connecting rods (67) is two; the lower end of the swing connecting rod (67) is of a square groove structure; the fixing frame (693) is symmetrically arranged on the inner wall of the top end of the cavity of the shell (1), an M-shaped groove (692) is formed in the fixing frame (693), a sliding column (68) is arranged in the M-shaped groove (692) in a sliding fit mode, a moving rod (69) is arranged on the outer wall of the sliding column (68) in a rotating connection mode, and the sliding column (68) is sleeved in the square groove; a sucker (691) is fixedly arranged on the lower end surface of the movable rod (69); the buckle (61) is clamped in the u-shaped limiting groove formed after the two half circular rings of the outer die (2) are spliced.
3. The method for demolding and molding a concrete prefabricated part according to claim 1, wherein the method comprises the following steps: the outer demolding device (3) comprises an execution motor (31), a U-shaped support (32), a wave-shaped groove shaft (33), an L-shaped rod (34), a fixing plate (35), a knocking hammer (36) and a clamping mechanism (37); the middle positions of the end faces of the left side and the right side of the shell (1) are respectively provided with an actuating motor (31) through a motor base, an output shaft of the actuating motor (31) is provided with a wave-shaped groove shaft (33) through a flange, the wave-shaped groove shafts (33) are movably arranged on a U-shaped support (32), and the U-shaped supports (32) are symmetrically arranged inside the left side wall and the right side wall of the shell (1) in a fixed mode; the upper and lower positions in the groove on the circumferential outer wall of the wave-shaped groove shaft (33) are matched with the L-shaped rod (34) in a movable mode; one ends of the horizontal sections of the two L-shaped rods (34) on the same side, which are far away from the corrugated groove shaft (33), are provided with fixing plates (35) in a fixing mode; the end faces, far away from the corrugated groove shafts (33), of the fixing plates (35) are uniformly provided with beating hammers (36) in a fixing mode; two end faces of the left end face and the right end face of the inner wall of the shell (1) are provided with two clamping mechanisms (37) in a fixed connection mode, and the two clamping mechanisms (37) are symmetrically arranged in the front and back direction.
4. The method for demolding and molding the concrete prefabricated part according to claim 3, wherein the method comprises the following steps of: the clamping mechanism (37) comprises an external demoulding hydraulic rod (371), an external demoulding cylinder (372), a V-shaped groove plate (373), a positioning rod (374), a positioning plate (375) and a clamping claw (376), wherein the external demoulding hydraulic rod (371) is arranged on the inner wall of the cavity of the shell (1) in a fixed mode; an external demoulding cylinder (372) is arranged in an extension rod of the external demoulding hydraulic rod (371) in a fixed mode; a V-groove plate (373) is fixedly mounted at the contraction end of the outer demolding cylinder (372), and the front end surface and the rear end surface of the V-groove plate (373) are matched with the positioning plate (375) in a sliding manner; the positioning plates (375) are connected with the front end surface and the rear end surface of the inner wall of the left end of the extension rod of the external demoulding hydraulic rod (371) in a fixed mode, and the two positioning plates (375) are symmetrically arranged in the front and the rear direction; two limiting grooves are symmetrically arranged on the upper end surfaces of the two positioning plates (375); the upper end face of the V-shaped groove plate (373) is provided with two V-shaped grooves, the V-shaped grooves are matched with the positioning rod (374) in a sliding mode, and the positioning rod (374) is arranged at the front and back symmetrical positions in the V-shaped grooves; the other end of the positioning rod (374) on the same V-shaped groove plate (373) is matched with the limiting groove in a sliding mode, and the positioning rod (374) is connected with the clamping claw (376) in a fixing mode.
5. The method for demolding and molding a concrete prefabricated part according to claim 1, wherein the method comprises the following steps: the inner demolding device (5) comprises a circular bottom plate (51), a hydraulic cylinder (52), a support (53), an auxiliary motor (54), a driving belt wheel (55), a driven belt wheel (56), a support rod (57), an electric telescopic rod (58), a turntable (59) and an umbrella-shaped mechanism (7); a round bottom plate (51) is arranged in the middle position right below the cavity of the shell (1); a hydraulic cylinder (52) is fixedly arranged in the middle of the upper end face of the circular bottom plate (51); a bracket (53) is fixedly arranged on the upper end surface of the output end of the hydraulic cylinder (52); an auxiliary motor (54) is arranged on the right end face of the bracket (53); an output shaft of the auxiliary motor (54) is provided with a driving belt wheel (55) through a flange; a driven belt wheel (56) is rotatably arranged on the bracket (53) at the adjacent position on the left side of the driving belt wheel (55), and the driving belt wheel (55) is connected with the driven belt wheel (56) through a transmission belt; a support rod (57) is arranged in the middle of the upper end face of the driven belt wheel (56) in a fixed mode, and electric telescopic rods (58) are symmetrically arranged at the left end and the right end of the upper end face of the driven belt wheel (56) in a fixed mode; the top ends of the two electric telescopic rods (58) are fixedly connected with a turntable (59) together; the upper end of the supporting rod (57) penetrates through the turntable (59), and the supporting rod (57) is matched with the turntable (59); an umbrella-shaped mechanism (7) is arranged on the outer wall of the upper end of the supporting rod (57), and the umbrella-shaped mechanism (7) is matched with the rotary table (59).
6. The method for demolding and molding the concrete prefabricated part according to claim 5, wherein the method comprises the following steps of: the umbrella-shaped mechanism (7) comprises a sliding sleeve (71), a connecting rod (72), a knocking rod (73), a knocking hammer (74) and a fixing ring (75), the fixing ring (75) is arranged on the outer wall of the circumference of the top end of the supporting rod (57) in a fixed connection mode, the knocking rod (73) is uniformly arranged on the outer wall of the circumference of the fixing ring (75) in a rotating connection mode, the knocking hammer (74) is arranged at one end, away from the fixing ring (75), of the knocking rod (73), the sliding sleeve (71) is installed in the middle of the rotating disc (59) in a fixed mode, the connecting rod (72) is uniformly arranged on the outer wall of the circumference of the sliding sleeve (71) in a hinged mode, and the other end of the connecting rod (72) is connected to the middle of the knocking rod (73) in a hinged mode; the number of the knocking rods (73) is in one-to-one correspondence with the number of the connecting rods (72).
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