CN111376383B

CN111376383B - Automatic production line of prefabricated reinforced concrete hollow template with internal crossed holes

Info

Publication number: CN111376383B
Application number: CN202010142599.8A
Authority: CN
Inventors: 陈怀焜; 张绍文; 黄佳忠; 徐金山
Original assignee: Fujian Qunfeng Machinery Co Ltd
Current assignee: Fujian Qunfeng Machinery Co Ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-08-31
Anticipated expiration: 2040-03-04
Also published as: CN111376383A

Abstract

The invention discloses an automatic production line of a prefabricated reinforced concrete hollow template with a cross hole inside, which comprises a mould closing station, a core rod penetrating or core pulling station, a mould pouring station, a first maintenance station, a second maintenance station, a mould demoulding station, a mould and a travelling mechanism for carrying the mould to flow to each station, wherein the mould sequentially operates each station to form a circulating production line advancing according to the production process of a prefabricated part; with the adoption of the structure, the automatic production line arranges a mold closing station, a core rod core penetrating or pulling station, a mold pouring station and a mold demolding station on the same straight line, and the first maintenance station and the second maintenance station are arranged on the same side of the traveling guide rail side by side; the layout of each station is compact, the occupied area is small, and the production efficiency is high.

Description

Automatic production line of prefabricated reinforced concrete hollow template with internal crossed holes

Technical Field

The invention relates to the technical field of prefabricated part production, in particular to an automatic production line of a prefabricated reinforced concrete hollow template with cross holes.

Background

The prefabricated reinforced concrete member refers to a steel, wood or concrete member which is prefabricated in a factory or on site according to design specifications. The prefabricated reinforced concrete member is a building member which is manufactured in a factory in advance by taking concrete as a basic material, and the prefabricated reinforced concrete member not only plays an advantage in the aspects of function and safety, but also plays an advantage in the aspects of economy, creation of comfortable environment and resource saving; including walls, beams, panels, columns, pipes, and manhole covers. When the existing prefabricated reinforced concrete member is produced, a mold needs to be assembled firstly, namely, six side plates of the mold are combined together to form a cavity, a reinforced bar net rack is placed in the cavity, and a core rod is inserted in the cavity; pouring the mixed concrete raw materials into a mold to form a prefabricated reinforced concrete member, and finally, when demolding is carried out, drawing out all core rods, disassembling and separating six side plates of the mold, and demolding the prefabricated reinforced concrete member from the mold; however, the existing production method of the prefabricated reinforced concrete member has the disadvantages of more steps, more used equipment, dispersed layout of each station, large occupied area, longer production line, low production efficiency, more operators for operating each station and high labor cost.

In view of the above, the present inventors have made extensive studies and research on various defects and inconveniences caused by the imperfect design of the production line of the precast reinforced concrete members.

Disclosure of Invention

The invention aims to provide an automatic production line of a prefabricated reinforced concrete hollow template with cross holes, which has compact layout of all stations, small floor area and high production efficiency.

In order to achieve the above purpose, the solution of the invention is:

an automatic production line of a prefabricated reinforced concrete hollow template with a cross hole inside comprises a mold closing station, a core rod penetrating or core pulling station, a mold pouring station, a first curing station, a second curing station, a mold demolding station, a mold and a traveling mechanism for carrying the mold to flow to each station, wherein the mold sequentially operates each station to form a circulating production line advancing according to a prefabricated part production process; the mould closing station, the core rod penetrating or core pulling station, the mould pouring station and the mould demoulding station are positioned on the same straight line, a walking guide rail is connected between every two adjacent stations, and the bottom of the mould is provided with a walking wheel walking on the walking guide rail; the first maintenance station and the second maintenance station are arranged on the same side of the travelling guide rail side by side, a first travelling rail is arranged on one side of the first maintenance station, which is far away from the second maintenance station, a second travelling rail is arranged on one side of the first maintenance station, which is intersected with the second maintenance station, and a third travelling rail is arranged on one side of the second maintenance station, which is far away from the first maintenance station; the first traveling track, the second traveling track and the third traveling track are arranged in parallel, a first ferry vehicle for carrying the mold is arranged on the first traveling track, a second ferry vehicle for carrying the mold is arranged on the second traveling track, and a third ferry vehicle for carrying the mold is arranged on the third traveling track; the traveling mechanism comprises the traveling guide rail, traveling wheels, a first traveling track, a first ferry vehicle, a second traveling track, a second ferry vehicle, a third traveling track and a third ferry vehicle.

The first maintenance station is provided with a plurality of first guide rails for placing and bearing the hollow reinforced concrete formwork die, and two ends of each first guide rail are respectively connected with a first walking rail and a second walking rail; and the second maintenance station is provided with a plurality of second guide rails for placing and bearing the hollow template mould of the precast reinforced concrete, and two ends of each second guide rail are respectively connected with the second walking rail and the third walking rail.

The lengths of the second walking track and the third walking track are greater than that of the first walking track.

And a mould top side plate covering station is arranged between the mould pouring station and the first maintenance station.

And a mould cleaning and oiling station is arranged between the mould demoulding station and the mould closing station.

And an embedded steel bar net rack station is also arranged between the mould closing station and the mould core penetrating or pulling station.

The die comprises a front side plate, a rear side plate, a left side plate, a right side plate, a bottom side plate, a top side plate, a plurality of transverse core rods and a plurality of longitudinal core rods, wherein the front side plate, the rear side plate, the left side plate, the right side plate, the bottom side plate and the top side plate enclose a cavity; a plurality of partition plates parallel to the front side plate and the rear side plate are arranged between the front side plate and the rear side plate, and the cavity is divided into a plurality of vertical sub-cavities with upward cavity openings; the left side plate and the right side plate are provided with a row of transverse through holes for the transverse core rods to pass through corresponding to each sub-cavity, the top side plate is provided with a row of longitudinal through holes for the longitudinal core rods to pass through corresponding to each sub-cavity, and the longitudinal core rods are provided with a row of transverse through holes corresponding to the transverse through holes; the longitudinal core rod penetrates through the longitudinal through hole of the top side plate, and the tail end of the longitudinal core rod abuts against the bottom side plate; the transverse core rod penetrates into the cavity through one transverse through hole, the middle part of the transverse core rod penetrates through the transverse through hole of the longitudinal core rod and then penetrates out of the other transverse through hole, the longitudinal core rod and the transverse core rod are arranged in the cavity, and the cavity capable of producing the precast reinforced concrete hollow template with the crossed holes is formed in the cavity.

The bottom side plate is divided into a plurality of lower convex ridges which correspondingly protrude into each cavity to form the bottom wall of the cavity; the bottom surface of the lower convex edge is provided with a sliding groove penetrating through two ends of the lower convex edge, and a sliding rod is arranged in the sliding groove; the left end and the right end of the sliding rod are provided with first pivoting parts, the left end and the right end of the bottoms of the front side plate, the rear side plate and the partition plate are provided with second pivoting parts, and adjacent first pivoting parts and second pivoting parts which are positioned on the same side are pivoted together through a chain sheet; and one end of the chain sheet is provided with a circular hole, and the other end of the chain sheet is provided with an oval hole.

The transverse core rod is a circular rod, and the transverse through hole are circular holes; the longitudinal core rod is a square rod, and the longitudinal through hole is a square hole.

The transverse core rod comprises a transverse core rod penetrating through the cavity and transverse core rod ends locked at two ends of the transverse core rod and protruding out of the cavity, and the two ends of the transverse core rod are respectively provided with a transition section penetrating through the transverse through hole and a connecting section connected with the transverse core rod ends; the outer ring of the transition section is sleeved with a rubber vibration sleeve, and the rubber vibration sleeve seals a gap between the transition section and the transverse through hole; the transverse core rod end is provided with a first end connected with the transverse core rod and a second end connected with the vibration mechanism in a vibration mode, and a first necking section for clamping the transverse core pulling device is arranged between the first end and the second end of the transverse core rod end.

The longitudinal core rod comprises a longitudinal core rod penetrating through the cavity and a longitudinal core rod end which is formed at one end of the longitudinal core rod and protrudes out of the cavity for clamping the longitudinal core pulling device, wherein the longitudinal core rod end is provided with a third end connected with the longitudinal core rod, a fourth end inserted into the core pulling mechanism and a second neck reducing section which is positioned between the third end and the fourth end and used for clamping the core pulling mechanism.

The core rod core penetrating or core pulling station is provided with a transverse core pulling device for clamping a transverse core rod to be drawn out or put into the mold and a longitudinal core pulling device for clamping a longitudinal core rod to be drawn out or put into the mold; the transverse core pulling device comprises a fixed support, a transverse driving device and a transverse locking device, wherein the transverse locking device is used for being connected with the end head of a transverse core rod, the transverse driving device and the transverse locking device are installed on the fixed support, the transverse driving device drives the transverse locking device to move along the axial direction of the transverse core rod, and a supporting roller used for supporting the extracted transverse core rod is arranged on one side, close to the cavity, of the fixed support; the longitudinal core pulling device comprises a mounting frame, a longitudinal driving device and a longitudinal locking device connected with the end head of the longitudinal core rod, the longitudinal driving device and the longitudinal locking device are mounted on the mounting frame, and the longitudinal driving device drives the longitudinal locking device to move along the axis direction of the longitudinal core rod.

The transverse locking device comprises a first fixing plate, a first locking piece, a first sliding seat and a first locking driving mechanism, wherein a plurality of first limiting holes used for accommodating the end head of the transverse core rod are formed in the first fixing plate, the first sliding seat is fixedly connected to one side, close to the cavity, of the first fixing plate, a first limiting sliding groove is formed in the first sliding seat, and the first locking piece slides in the first limiting sliding groove; the first locking piece is provided with a plurality of first locking holes, each first locking hole comprises a first big hole for the end head of the transverse core rod to pass through and a first small hole for being clamped with the end head of the transverse core rod, and the first big hole is communicated with the first small hole; the first locking driving mechanism drives the first locking piece to switch between a locking position and a preparation position; when the first locking piece is positioned at the preparation position, the first large hole and the first limiting hole are coaxially arranged; when the first locking piece is located at the locking position, a first small hole in the first locking piece is connected with the end of the transverse core rod in a clamping mode; the first locking driving mechanism is a locking hydraulic cylinder, and a piston rod of the locking hydraulic cylinder is connected to the first locking piece; the longitudinal locking device comprises a second fixing plate, a second locking sheet, a second sliding seat and a second locking driving mechanism, wherein a plurality of second limiting holes used for accommodating the end head of the longitudinal core rod are formed in the second fixing plate, the second sliding seat is fixedly connected to the lower end of the second fixing plate, a second limiting sliding groove is formed in the second sliding seat, and the second locking sheet slides in the second limiting sliding groove; the second locking sheet is provided with a plurality of second locking holes, each second locking hole comprises a second large hole for the end head of the longitudinal core rod to pass through and a second small hole for being clamped with the end head of the longitudinal core rod, and the second large hole is communicated with the second small hole; the second locking driving mechanism drives the second locking piece to switch between a locking position and a preparation position; when the second locking piece is positioned at the preparation position, the second large hole and the second limiting hole are coaxially arranged; when the second locking sheet is located at the locking position, a second small hole in the second locking sheet is connected with the end of the longitudinal core rod in a clamping mode; the second locking driving mechanism is a locking hydraulic cylinder, and a piston rod of the locking hydraulic cylinder is connected to the locking piece.

The fixed support is provided with a plurality of transverse rails, the transverse locking device is fixedly connected with a first moving frame, the first moving frame is provided with a plurality of groups of first guide wheel sets which are in one-to-one corresponding fit with the transverse rails, and the first moving frame moves along the transverse rails through the first guide wheel sets; the transverse track is made of channel steel, each group of first guide wheel sets comprises two first guide wheels and two second guide wheels, the axes of the first guide wheels and the second guide wheels are perpendicular to the moving direction of the first moving frame, the axes of the first guide wheels and the second guide wheels are perpendicular to each other, and the first guide wheels and the second guide wheels are abutted against the inner grooves of the channel steel; a plurality of longitudinal rails are arranged on the mounting frame, a second moving frame is fixedly connected to the locking device, a plurality of groups of second guide wheel sets which are in one-to-one corresponding fit with the longitudinal rails are arranged on the second moving frame, and the second moving frame moves along the longitudinal rails through the second guide wheel sets; the longitudinal rail is made of channel steel, each group of second guide wheel sets comprises two third guide wheels and two fourth guide wheels, the axes of the third guide wheels and the fourth guide wheels are perpendicular to the moving direction of the second moving frame, the axes of the third guide wheels and the fourth guide wheels are perpendicular to each other, and the third guide wheels and the fourth guide wheels are abutted to the inner grooves of the channel steel.

The transverse driving device comprises a first driving motor, a first driving chain wheel and a first driven chain wheel, the first driven chain wheel is rotationally connected to the fixed support, the first driving motor is fixedly arranged on the fixed support, and the first driving chain wheel is arranged on an output shaft of the driving motor; the first driving chain is wound on the first driving chain wheel and the first driven chain wheel, and the first movable frame is fixedly connected with the first driving chain through a connecting piece; the longitudinal driving device comprises a longitudinal hydraulic cylinder, a cylinder body of the longitudinal hydraulic cylinder is rotatably connected to the mounting frame above the longitudinal locking device, and a piston rod of the hydraulic cylinder is hinged to the longitudinal locking device or the second moving frame; and a guide pulley is arranged below the mounting frame.

A blanking mechanism is arranged at the die casting station; the blanking mechanism comprises a hopper, a material conveying pipe and a blanking support for erecting the material conveying pipe above the die, wherein the material conveying pipe is provided with a main material pipe connected with the hopper and at least one material distributing pipe connected with the main material pipe, the material distributing pipe extends along the length direction of a cavity opening of the die and is provided with a plurality of blanking pipes extending into the cavity opening and switch valves for controlling the opening and closing of the blanking pipes.

The number of the material distributing pipes is two, the two material distributing pipes are symmetrically connected to one end of the main material pipe, each material distributing pipe is arranged corresponding to one cavity opening, and the distance between the two material distributing pipes is the distance separating the two cavities.

The blanking support is provided with a rectangular frame for erecting and supporting the material distributing pipe, pulleys are respectively arranged on two frame rods positioned below two ends of the material distributing pipe on the rectangular frame, and two sliding rails for the pulleys to slide are arranged above the die.

The blanking mechanism also comprises a steel bar clamping structure arranged on the blanking support, the steel bar clamping structure is provided with a plurality of steel bar clamping pieces which are distributed at intervals with the blanking pipe, and each steel bar clamping piece is provided with a fixing part locked on the blanking support, two fixed clamping arms extending downwards from the fixing part, two movable clamping arms rotationally pivoted on the fixing part, and a steel bar clamping cylinder for driving the two movable clamping arms to mutually clamp steel bars with the two fixed clamping arms respectively; the movable clamping arm is provided with a clamping part which mutually clamps the steel bar with the fixed clamping arm and a connecting part which is convexly arranged above the fixed part and connected with the steel bar clamping cylinder, and the middle section of the movable clamping arm is pivoted with the fixed part through a pivoting shaft; the piston seat of the steel bar clamping cylinder is connected with the connecting part of one movable clamping arm, and the piston rod of the steel bar clamping cylinder is connected with the connecting part of the other movable clamping arm; the steel bar clamping cylinder pushes or pulls the connecting part, the movable clamping arm rotates by taking the pivot shaft as a shaft, and the clamping part rotates to clamp the steel bar with the fixed clamping arm mutually or separate from the fixed clamping arm to loosen the steel bar.

The blanking mechanism also comprises a plurality of steel bar vibrators arranged on the blanking bracket; the blanking support is divided into an upper support for fixing the conveying pipe, a middle support for fixing the steel bar vibrator and a lower support for fixing the steel bar clamping piece, and the upper support and the middle support are connected through a plurality of lifting cylinders.

The die casting station is also provided with two mandrel vibration mechanisms which are respectively positioned at two sides of the die and used for clamping and vibrating a transverse mandrel, and each mandrel vibration mechanism comprises a mandrel vibration frame and at least one group of mandrel vibration units arranged on the mandrel vibration frame; the mandrel vibrating unit is provided with a vibrating plate, at least one through hole which is arranged on the vibrating plate and used for inserting and fixing the transverse mandrel, an elastic structure which is used for connecting the vibrating plate and the mandrel vibrating frame, and a mandrel vibrator which is arranged on the vibrating plate.

A plurality of groups of mandrel vibration units are arranged on one side of the mandrel vibration frame at intervals in parallel; the vibrating plate is vertically arranged and is vertically provided with a plurality of through holes; or the vibration plate is transversely arranged and is transversely provided with a plurality of through holes.

The mandrel vibrating frame is provided with an upper cross rod and a lower cross rod, and the vibrating plate is connected and arranged on one side of the two cross rods through two elastic structures; the elastic structure is provided with a fixed plate arranged on the side surface of the vibrating plate opposite to the core rod, a fixed column extending downwards from the fixed plate, a sleeve column and a spring, wherein the sleeve column and the spring are arranged on the cross rod and are used for inserting the fixed column; two be provided with the rectangle frame that supplies the vibration board to wear to establish on the horizontal pole respectively, and four inside walls of rectangle frame have the space of stepping down that supplies the vibration board vibration to step down respectively with four sides of vibration board between.

The mandrel vibrating frame is provided with a mandrel vibrating fixed frame standing on the ground, a mandrel vibrating movable frame used for arranging a mandrel vibrating unit and a vibrating frame air cylinder driving the mandrel vibrating movable frame to move on the mandrel vibrating fixed frame; the vibrating frame cylinder is provided with a piston seat fixed in the middle of the mandrel vibrating fixed frame and a piston rod with the end part fixed in the middle of the mandrel vibrating movable frame.

After the structure is adopted, in the automatic production line of the prefabricated reinforced concrete hollow template with the crossed holes, a mould closing station, a core rod penetrating or core pulling station, a mould pouring station and a mould demoulding station are arranged on the same straight line, and a first maintenance station and a second maintenance station are arranged on the same side of the travelling guide rail side by side; the layout of each station is compact, the occupied area is small, and the production efficiency is high.

Drawings

FIG. 1 is a schematic view of a mold assembly in an automatic production line according to the present invention;

FIG. 2 is a schematic view of an exploded structure of a mold in the automatic production line of the present invention;

FIG. 3 is a schematic structural view of the left and right side plates of the mold in the automatic production line of the present invention;

FIG. 4 is a schematic structural view of a top side plate of a mold in the automatic production line of the present invention;

FIG. 5 is a schematic structural view of a bottom side plate of a mold in the automatic production line of the present invention;

FIG. 6 is a schematic structural diagram of a partition plate of a mold in an automatic production line according to the present invention;

FIG. 7 is a schematic structural view of a mold hiding left side plate, right side plate, transverse core rod and longitudinal core rod in an automatic production line according to the present invention;

FIG. 8 is an exploded front view of the connecting structure of the front plate, the rear plate, the partition plate and the bottom plate of the mold in the automatic production line of the present invention;

FIG. 9 is a schematic view of a transverse mandrel for a mold in an automated manufacturing line according to the present invention;

FIG. 10 is an enlarged cross-sectional view taken at A in FIG. 9;

FIG. 11 is a schematic view of a longitudinal core rod of a mold in an automated manufacturing line according to the present invention;

FIG. 12 is a schematic cross-sectional view of a longitudinal core rod of a mold in an automated manufacturing line of the present invention;

FIG. 13 is a schematic view of the structure of the mold with the steel bar net rack in the automatic production line of the present invention;

FIG. 14 is a schematic cross-sectional view of a mold with a steel bar net rack in the automatic production line of the present invention;

FIG. 15 is a schematic structural view of a mold-coupled blanking mechanism and a mandrel vibrating mechanism in an automatic production line according to the present invention;

FIG. 16 is a schematic structural view of a blanking mechanism in the automatic production line of the present invention;

FIG. 17 is a schematic view of a partial structure of a blanking mechanism in the automatic production line of the present invention 1;

FIG. 18 is a schematic structural view of a reinforcing bar clamping structure in the automatic production line of the present invention;

FIG. 19 is a schematic view of the structure of the rebar clip of the automated manufacturing line of the present invention;

FIG. 20 is a schematic structural view of a transverse core pulling device matched mold in the automatic production line of the present invention;

FIG. 21 is a schematic structural view of a transverse core pulling device in the automatic production line according to the present invention;

FIG. 22 is a schematic structural view of a lateral locking device in the automatic production line of the present invention;

FIG. 23 is a schematic structural view of a longitudinal core pulling device in the automatic production line according to the present invention;

FIG. 24 is an exploded view of the longitudinal core pulling device in the automatic production line according to the present invention;

FIG. 25 is a schematic perspective view of a longitudinal locking device in an automatic production line according to the present invention;

FIG. 26 is a schematic structural view of a mandrel vibrating mechanism in an automatic production line according to the present invention 1;

FIG. 27 is a schematic structural view of a mandrel vibrating mechanism in the automatic production line of the present invention, FIG. 2;

FIG. 28 is a schematic top view of a mandrel vibrating mechanism in an automated manufacturing line according to the present invention;

FIG. 29 is a schematic cross-sectional view of a mold-mandrel vibrating mechanism in an automated manufacturing line according to the present invention;

FIG. 30 is an enlarged view at B in FIG. 29;

FIG. 31 is a schematic top view of an automated manufacturing line according to the present invention;

FIG. 32 is a block diagram of an automated manufacturing line according to the present invention;

FIG. 33 is a process flow diagram of an automated manufacturing line according to the present invention.

Description of the symbols

Mold closing station 10 mandrel piercing or core pulling station 20 mold pouring station 30 first maintenance station 40 second maintenance station 50 mold demolding station 60 traveling guide 192 traveling wheel 191 first traveling rail 193 second traveling rail 194 third traveling rail 195 first shuttle 196 second shuttle 197 third shuttle 198 first guide rail 401 second guide rail 501 top side plate covered station 70 mold cleaning oiling station 80 pre-embedded reinforcing steel bar rack station 90 front side plate 11 rear side plate 12 right side plate 14 bottom side plate 15 top side plate 16 transverse mandrel 2 longitudinal mandrel 3 partition 17 sub-cavity 18 transverse through hole 21 longitudinal through hole 161 transverse through hole 31 longitudinal core pulling device 4 longitudinal core pulling device 5 hopper 61 blanking support 63 main material pipe 621 blanking pipe 622 blanking pipe 623 switching valve 624 left rib 131 upper rib 162 connecting strip 163 right rib 141 Lower lug 151 longitudinal counterbore 152 slide groove 153 slide bar 154 first pivot 155 second pivot 156 link 157 circular hole 1571 oval hole 1572 link shaft 158 tooling seat 159 seal 150 transverse core 22 transverse core rod end 23 transition section 221 connecting section 222 rubber vibration sleeve 24 protective steel sleeve 25 first pin hole 2221 first end 231 second end 232 groove 2312 pin 2313 first necked section 233 longitudinal core rod 32 longitudinal core rod end 33 third end 331 fourth end 332 second necked section 333 plug column 321 moving platform 19 flange joint 6241 valve 6242 valve cylinder 6243 pulley slide rail steel bar clamp 64 fixing part 641 fixing clamp arm 642 movable clamp arm 643 steel bar clamp cylinder 644 clamp part 6431 pivot shaft 6433 clamp groove steel bar vibrator 65 upper bracket 631 middle bracket 632 lower bracket 633 lifting cylinder 634 fixing bracket 41 clamp bracket 41 The transverse driving device 42 and the transverse locking device 43 support the roller 44 and the first fixing plate 431 and the first locking plate 432 and the first sliding base 433 and the first locking driving mechanism 434 and the first limiting hole 4311 and the first limiting sliding groove 4331 and the first locking hole 4321 and the first large hole 4322 and the first small hole 4323 of the transverse rail 45 and the first moving frame 46 and the first guide wheel set 461 and the first guide wheel 463 and the first drive chain 422 and the first driven chain wheel 423 and the first driven chain wheel 424 of the mounting frame 51 and the longitudinal driving device 52 and the longitudinal locking device 52 of the first driving chain 421 and the first driving chain 422 and the second fixing plate 531 and the second sliding base 533 of the second locking plate 53 and the second locking driving mechanism 534 and the second limiting sliding groove 5311 and the second locking hole 5331 and the second large hole 5322 and the second small hole 5323 of the longitudinal rail 54 and the second moving frame 55 and the second guide wheel set 551 and the third guide wheel set 552 and the guide wheel guide pulley 56 and the mandrel 56 and the vibrating mechanism 7 of the vibrating mandrel frame 71 and the vibrating mechanism 7 Rod vibration unit 72 vibration plate 721 through hole 722 elastic structure 723 mandrel vibrator 724 cross bar 711 fixing plate 7231 fixing column 7232 sleeve column 7233 spring 7234 rectangular frame 712 abdicating space 7121 mandrel vibration fixing frame 713 mandrel vibration fixing frame 714 vibration frame cylinder 715 guide wheel 7141 guide rail 7131.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.

Referring to fig. 1 to 33, the invention discloses an automatic production line of a prefabricated reinforced concrete hollow template with a cross hole inside, which comprises a mold closing station 10, a core rod penetrating or pulling station 20, a mold pouring station 30, a first curing station 40, a second curing station 50, a mold demolding station 60, a mold, and a traveling mechanism for carrying the mold to flow to each station, wherein the mold sequentially operates each station to form a circulating production line advancing according to the production process of a prefabricated part; the mold closing station 10, the core rod core penetrating or pulling station 20, the mold pouring station 30 and the mold demolding station 60 are positioned on the same straight line, a walking guide rail 192 is connected between the adjacent stations, and a walking wheel 191 walking on the walking guide rail 192 is arranged at the bottom of the mold; the first maintenance station 40 and the second maintenance station 50 are arranged on the same side of the traveling guide rail 192 side by side, a first traveling rail 193 is arranged on one side, away from the second maintenance station 50, of the first maintenance station 40, a second traveling rail 194 is arranged on one side, away from the first maintenance station 40, of the first maintenance station 40, the side, where the first maintenance station 40 and the second maintenance station 50 meet, of the second maintenance station 50, and a third traveling rail 195 is arranged on one side, away from the first maintenance station 40, of the second maintenance station 50; the first walking track 193, the second walking track 194 and the third walking track 195 are arranged in parallel, a first ferry vehicle 196 for carrying a mold is arranged on the first walking track 193, a second ferry vehicle 197 for carrying a mold is arranged on the second walking track 194, and a third ferry vehicle 198 for carrying a mold is arranged on the third walking track 195; the walking mechanism comprises the walking wheels 191, walking guide rails 192, a first walking track 193, a first ferry vehicle 196, a second walking track 194, a second ferry vehicle 197, a third walking track 195 and a third ferry vehicle 198.

According to the automatic production line of the prefabricated reinforced concrete hollow template with the crossed holes, a mould closing station 10, a core rod penetrating or core pulling station 20, a mould pouring station 30 and a mould demolding station 60 are arranged on the same straight line, and a first maintenance station 40 and a second maintenance station 50 are arranged on the same side of a travelling guide rail 192 side by side; the layout of each station is compact, the occupied area is small, and the production efficiency is high.

The first maintenance station 40 is provided with a plurality of first guide rails 401 for placing and bearing the precast reinforced concrete hollow template mould, and two ends of each first guide rail 401 are respectively connected with a first walking rail 193 and a second walking rail 194; the second maintenance station 50 is provided with a plurality of second guide rails 501 for placing and bearing the precast reinforced concrete hollow template mould, and two ends of the second guide rails 501 are respectively connected with a second traveling rail 194 and a third traveling rail 195; because the precast reinforced concrete hollow template can be solidified and formed after being kept for a period of time, in the production process, when the mould stops the first maintenance station and the second maintenance station, the mould can be stopped on the first guide rail 401 and the second guide rail 501 for maintenance, so that the production line is not blocked, the production line is convenient to operate smoothly, and the production efficiency is improved.

The lengths of the second and third traveling

rails

194 and 195 of the present invention are longer than the length of the first traveling rail 193; wherein the first curing station 40 is formed from initial curing to initial setting for 2-3 hours; the second curing station 50 is formed by steam curing for 6-8 hours; because the maintenance time of the second maintenance station 50 is longer than that of the first maintenance station 40, in the production process that the production line does not stop, more molds stop on the second maintenance station 50 than on the first maintenance station 40, and therefore more second guide rails 501 need to be arranged between the second walking rails 194 and the third walking rails 195, enough positions for the molds to stop are ensured, the production line can run smoothly, and the production efficiency is improved.

A mould top side plate covering station 70 is arranged between the mould pouring station 30 and the first maintenance station 40; the top side plate is covered to make the top surface of the prefabricated reinforced concrete hollow template smooth.

A mould cleaning and oiling station 80 is arranged between the mould demoulding station 60 and the mould closing station 10; the mould is cleaned and oiled, so that the prefabricated reinforced concrete hollow template can be conveniently demoulded after being formed.

A pre-embedded steel bar net rack station 90 is arranged between the mould closing station 10 and the mould core penetrating or pulling station 20; the reinforcing steel bar net frame is added to enhance the integral structural strength of the prefabricated reinforced concrete hollow template.

The die comprises a front side plate 11, a rear side plate 12, a left side plate 13, a right side plate 14, a bottom side plate 15, a top side plate 16, a plurality of transverse core rods 2 and a plurality of longitudinal core rods 3, wherein a cavity is defined by the front side plate 11, the rear side plate 12, the left side plate 13, the right side plate 14, the bottom side plate 15 and the top side plate 16; a plurality of partition plates 17 parallel to the front side plate 11 and the rear side plate 12 are arranged between the front side plate 11 and the rear side plate 12, and the cavity is divided into a plurality of vertical sub-cavities 18 with openings towards the upper cavities; the left side plate 13 and the right side plate 14 are provided with a row of transverse through holes 21 corresponding to each sub-cavity 18 for the transverse core rods 2 to pass through, the top side plate 16 is provided with a row of longitudinal through holes 161 corresponding to each sub-cavity 18 for the longitudinal core rods 3 to pass through, and the longitudinal core rods 3 are provided with a row of transverse through holes 31 corresponding to the transverse through holes 21; the longitudinal core rod 3 passes through the longitudinal through hole 161 of the top side plate 16 and the tail end of the longitudinal core rod abuts against the bottom side plate 15; the transverse core rod 2 penetrates into the cavity through one transverse through hole 21, the middle part of the transverse core rod 2 penetrates through a transverse through hole 31 of the longitudinal core rod 3 and then penetrates out of the other transverse through hole 21, the longitudinal core rod 3 and the transverse core rod 2 are arranged in the sub-cavity 18 in a crossed mode, and a cavity capable of producing a precast reinforced concrete hollow template with crossed holes in the sub-cavity 18 is formed; the mould is provided with a plurality of vertical sub-cavities 18, a plurality of prefabricated reinforced concrete hollow templates can be produced simultaneously, and the production efficiency is high.

The bottom side plate 15 of the present invention is divided into a plurality of lower convex ribs 151 which correspondingly protrude into each cavity 18 to form the bottom wall of the cavity; the bottom side plate 15 is provided with the lower convex edge 151 which protrudes into the sub-cavity 18, so that the sealing efficiency of the bottom side wall of the cavity is better, the concrete raw materials are prevented from leaking outside when the bottom side plate 15 is used for forming the prefabricated reinforced concrete hollow template, and the forming effect is better; the bottom surface of the lower protruding edge 151 is provided with a sliding groove 153 penetrating through two ends of the lower protruding edge 151, and a sliding rod 154 is arranged in the sliding groove 153; when the prefabricated reinforced concrete hollow template is demoulded after being formed, the left side plate 13, the right side plate 14 and the top side plate 16 can be dismounted, the lower convex edge 151 can be pushed to move on the sliding rod 154, one end of the lower convex edge 151 protrudes out of the sub-cavity 18, one end of the prefabricated reinforced concrete hollow template is taken out of the sub-cavity 18, and the prefabricated reinforced concrete hollow template is clamped by other equipment to move and demould, so that the demoulding structure is simple, time and labor are saved, and the demoulding efficiency can be improved; because the lower convex rib 151 is the structural strength of the bottom side plate 15 of the mold relative to the prefabricated reinforced concrete hollow template, the lower convex rib 151 is firstly pushed to protrude out of the cavity 18 to drive the prefabricated reinforced concrete hollow template to protrude out of the cavity 18, and the damage caused by directly pushing the prefabricated reinforced concrete hollow template can be avoided.

The left end and the right end of the sliding rod 154 are provided with first pivoting parts 155, the left end and the right end of the bottoms of the front side plate 11, the rear side plate 12 and the partition plate 17 are provided with second pivoting parts 156, the adjacent first pivoting parts 155 and the second pivoting parts 156 which are positioned on the same side are pivoted together through a chain sheet 157, the bottoms of the front side plate 11, the rear side plate 12 and the partition plate 17 can be in a movable structure by adopting the connection of the chain sheet 157, and when the lower convex edge 151 is pulled in demolding, a space for avoiding is provided, the lower convex edge 151 and the prefabricated reinforced concrete hollow template can be more conveniently and smoothly pulled out, and demolding is more convenient; when the die is closed, the left side plate 13 and the right side plate 14 are in locking connection with the front side plate 11 and the rear side plate 12 to fix the front side plate 11, the rear side plate 12 and the partition plate 17, and the distance between the front side plate 11 and the rear side plate is fixed, so that the prefabricated member for die forming is not influenced; the first pivoting part 155 and the second pivoting part 156 are provided with pivoting holes, one end of the chain sheet 157 is provided with a circular hole 1571, and the other end is provided with an elliptical hole 1572; the oval hole 1572 of chain piece 157 can provide chain piece 157 motion space, the interval between first pivot portion 155 and the second pivot portion 156 can be prolonged in oval hole 1572, bottom side board 15 and preceding curb plate 11, posterior lateral plate 12, baffle 17 accessible chain 157 one side oval hole 1572 adjust the interval between bottom side board 15 and preceding curb plate 11, posterior lateral plate 12, the baffle 17, lower arris 151 is in the unrestrained convenient hollow template of pushing down bead 151 and precast reinforced concrete smoothly of loose state, and it is more convenient to demold.

The first pivoting part 155 of the present invention is a first pivoting piece extending vertically in two directions, the second pivoting part 156 is a second pivoting piece extending vertically in two directions, one end of the chain piece 157 is inserted into the two first pivoting pieces and is pivoted by the chain axle 158, and the other end is inserted into the two second pivoting pieces and is pivoted by the chain axle 158; the link 157 is more firmly connected.

The bottom ends of the front side plate 11, the rear side plate 12 and the partition plate 17 are provided with a tool-shaped seat 159, and the second pivoting part 156 is arranged below the tool-shaped seat 159; the I-shaped seat 159 can enhance the structural strength of the bottom ends of the front side plate 11, the rear side plate 12 and the partition plate 17; the top side wall of the I-shaped seat 159 and the top side wall of the lower rib 151 are sealed and abutted by a sealing strip 150; the sealing efficiency of the bottom side of the cavity is better, and concrete raw materials are prevented from leaking from the bottom side plate 15 when the prefabricated reinforced concrete hollow template is formed; the lower convex edge 151 is provided with a longitudinal counter bore 152 for the end of the longitudinal core rod 3 to abut against, and the top surface of the lower convex edge 151 is provided with a plurality of semi-cylindrical lugs which are distributed at intervals with the longitudinal counter bore 152; the convex block is pressed on the bottom surface of the prefabricated reinforced concrete hollow template to form a semicircular through groove.

The left side plate 13 and the right side plate 14 of the invention are respectively provided with a plurality of left convex ribs 131 and right convex ribs 141 which correspondingly protrude into each cavity 18 to form the side wall of the cavity, and the transverse through holes 21 are arranged on the left convex ribs 131 and the right convex ribs 141; the left side plate 13 and the right side plate 14 are provided with the left convex rib 131 and the right convex rib 141 which protrude into the sub-cavity 18, so that the sealing efficiency of the left side wall and the right side wall of the cavity is better, concrete raw materials are prevented from leaking outside when the left side plate 13 and the right side plate 14 are used for forming the prefabricated reinforced concrete hollow template, and the forming effect is better; the top side plate 16 is provided with a plurality of upper convex ribs 162 correspondingly protruding into each sub-cavity 18 to form a top wall of the cavity, the longitudinal through hole 161 is formed in the upper convex ribs 162, and two adjacent upper convex ribs 162 are connected together through a plurality of connecting strips 163; when concrete raw materials are poured, the concrete raw materials are discharged from the upper opening of the cavity into the cavity, after a certain amount of concrete raw materials are poured into the cavity, the top side plate 16 is covered on the opening of the cavity, and the upper convex ridge 162 of the top side plate 16 extends into the cavity to compact the concrete raw materials in the cavity, so that the concrete raw materials in the cavity are more compact, air holes are avoided, and the production quality of the prefabricated reinforced concrete hollow template is improved; the bottom surface of the upper convex edge 162 is provided with a plurality of convex blocks which are distributed at intervals with the longitudinal through hole 161 and are semi-cylindrical, the convex blocks are pressed on the top surface of the prefabricated reinforced concrete hollow template to form semi-circular through grooves, and when the two prefabricated reinforced concrete hollow templates are piled up and down, the upper semi-circular through grooves and the lower semi-circular through grooves can form a circular through hole.

The transverse core rod 2 is a circular rod, and the transverse through hole 21 and the transverse through hole 31 are circular holes; the longitudinal core rod 3 is a square rod, and the longitudinal through hole 161 is a square hole; the prefabricated reinforced concrete hollow template has crossed circular holes and square holes inside.

The transverse core rod 2 comprises a transverse core rod 22 arranged in a cavity in a penetrating way and a transverse core rod end 23 locked at two ends of the transverse core rod 22 and protruding out of the cavity, wherein two ends of the transverse core rod 22 are respectively provided with a transition section 221 arranged in a penetrating way in a transverse through hole 21 and a connecting section 222 connected with the transverse core rod end 23; the outer ring of the transition section 221 is sleeved with a rubber vibration sleeve 24, and the rubber vibration sleeve 24 seals a gap between the transition section 221 and the transverse through hole 21; when the transverse core rod 2 is inserted into a mold to produce the precast reinforced concrete hollow template, the transition sections 221 at the two ends of the transverse core rod 22 penetrate through the transverse through hole 21, and the transition sections 221 are sleeved with rubber vibration sleeves 24 to serve as buffer structures; when the end 23 of the transverse core rod vibrates to transmit vibration force to the transverse core rod 22, the vibration force can be prevented from being transmitted to the side plates of the die to drive the left side plate 13 and the right side plate 14 to vibrate in the vibration process of the transverse core rod 22; the vibration of the transverse core rod 2 can promote the fluid slurry poured in the mould to be compact, and avoid generating air holes; and the condition that the left side plate 13 and the right side plate 14 vibrate to cause a gap between other side plates so as to generate leakage of fluid slurry is avoided.

The transverse core rod end 23 of the invention is provided with a first necking section 233 between the first end 231 and the second end 232 for clamping the transverse core pulling device 4; the first necking section 233 enables the transverse core pulling device 4 to firmly clamp the transverse core rod 2, and the transverse core pulling device 4 can conveniently pull out or insert the transverse core rod into a mold.

The connecting section 222 of the transverse core bar 22 is provided with a first pin hole 2221 which penetrates through the connecting section 222 up and down; the transverse core rod end 23 is provided with a first end 231 connected with the transverse core rod 22 and a second end 232 connected with the vibration mechanism in a vibration mode, the end face of the first end 231 is provided with a groove 2311 for inserting the connecting section 222 and a second pin hole 2312 communicated with the groove 2311 and corresponding to the first pin hole 2221, and the transverse core rod end 23 is fixed at the end part of the transverse core rod 22 through a pin 2313 passing through the first pin hole 2221 and the second pin hole 2312; the transverse core rod 22 and the transverse core rod end 23 are limited through the pin 2313, so that the transverse core rod 22 and the transverse core rod end 23 are prevented from being connected insecurely due to the fact that the transverse core rod 22 and the transverse core rod end 23 rotate mutually in the vibration process of the transverse core rod 2.

The first end 231 of the invention is gradually reduced from one end close to the transverse core bar 22 to one end far away from the transverse core bar 22, and the outer end of the second end 232 is in a bullet shape; the end 23 of the transverse core rod can conveniently penetrate into the transverse through hole 21 and the core rod vibration mechanism for clamping.

The diameter of the transverse core rod 22 is larger than the diameters of the transverse core rod end 23 and the rubber vibration sleeve 24; the transverse core rod 2 is convenient to penetrate through the transverse through holes 21 of the left side plate 13 and the right side plate 14.

The outer ring of the rubber vibration sleeve 24 is sleeved with a protective steel sleeve 25, one side of the protective steel sleeve 25 close to the center of the transverse core rod 22 is provided with an end cover, the end cover is provided with a through hole for the transition section 221 to pass through, and the diameter of the protective steel sleeve 25 is consistent with that of the transverse core rod 22; the protective steel sleeve 25 can further prevent the vibration force of the transverse core rod 2 from being transmitted to the left side plate 13 and the right side plate 14, the diameter of the protective steel sleeve 25 is consistent with that of the transverse core rod 21, the protective steel sleeve 25 can not protrude out of the end portion 23 of the transverse core rod, and the transverse core rod 2 can be conveniently inserted into the transverse through holes 21 of the left side plate 13 and the right side plate 14.

The connecting structure between the connecting section 222 of the transverse core rod 22 and the transverse core rod end 23 is a threaded connecting structure; the transverse core rod end 23 can be firstly locked on the connecting section 222 of the transverse core rod 22 in a threaded manner, and the transverse core rod 22 and the transverse core rod end 23 are limited by using a pin 2313, so that the transverse core rod 22 and the transverse core rod end 23 are connected more firmly; and the transverse core bar 22 is a hollow round tube, so that the weight can be reduced, and the vibration force can be further saved.

The longitudinal core rod 3 comprises a longitudinal core rod 32 penetrating through a cavity and a longitudinal core rod end head 33 which is formed at one end of the longitudinal core rod 32 and protrudes out of the cavity for clamping a longitudinal core pulling device, wherein the longitudinal core rod end head 33 is provided with a third end 331 connected with the longitudinal core rod 32, a fourth end 332 inserted into the core pulling mechanism and a second necking section 333 which is positioned between the third end 331 and the fourth end 332 and used for clamping the core pulling mechanism; the middle of the end head 33 of the longitudinal core rod 3 is provided with a second necking section 333, the second necking section 333 can be firmly clamped by a core pulling mechanism, the third end 331 and the fourth end 332 limit the sliding of the longitudinal core rod 3, the longitudinal core rod 3 and the longitudinal core pulling device are not easy to slide mutually and are firmly clamped, the longitudinal core rod 3 is aligned with a jack on a die, and the core pulling and core penetrating work of the die is facilitated; and the longitudinal core-pulling device clamps the longitudinal core rods 3 and fixes the positions of the longitudinal core rods 3, so that the longitudinal core rods 3 are arranged orderly, the longitudinal core rods 3 do not need to be adjusted orderly at the later stage, and the longitudinal core rods 3 are orderly combined with the mold, thereby being convenient for uniformly managing the longitudinal core rods.

The transverse through hole 31 and the longitudinal core bar 32 are not communicated internally; the longitudinal core rod 32 is in a sealing structure, so that the phenomenon that concrete raw materials permeate into the longitudinal core rod can be avoided; an insert column 321 inserted into the longitudinal counter bore 152 on the bottom side plate 15 is formed at the other end of the longitudinal core bar 32, the insert column 321 is in a hollow round tube shape, and a closed end cover is arranged at the outer end of the insert column 321; the inserting column 321 is inserted into the longitudinal counter bore 152, so that the longitudinal core rod 3 and the bottom side plate 15 can be inserted together, the sealing structure between the longitudinal core rod 32 and the bottom side plate 15 is improved, and the concrete raw material leakage phenomenon is avoided.

The outer end of the fourth end 332 of the present invention is bullet-shaped; the fourth end 332 is conveniently inserted into the core pulling mechanism, so that the core pulling mechanism clamps the longitudinal core rod 3 for core pulling or core penetrating work.

The longitudinal core rod 32 is a hollow square tube, so that the weight of the longitudinal core rod 3 can be reduced, and the clamping movement of a core pulling mechanism is facilitated; the longitudinal core rod end 33 is a solid cylinder, so that the overall structural strength of the longitudinal core rod end 33 can be improved, and the longitudinal core rod end is not clamped and damaged by a core pulling mechanism.

The transverse core rod 2 and the longitudinal core rod 3 are made of steel materials; the structural strength of the transverse core rod 2 and the longitudinal core rod 3 is increased, and the demoulding is convenient.

A moving platform 19 is arranged below the bottom side plate 15, a traveling wheel 191 is arranged below the moving platform 19, and a traveling guide rail 192 for the traveling wheel 191 to roll is arranged on the ground; the front side plate 11, the rear side plate 12, the partition 17 and the sliding rod 154 of the bottom side plate 15 are supported on the moving platform 19, the first pivoting portion 155 and the second pivoting portion 156 are protruded and suspended outside the moving platform 19, so that the first pivoting portion and the second pivoting portion 156 are conveniently pivoted with the chain piece 157 to be in a movable connection structure, and the front side plate 11, the rear side plate 12 and the partition 17 provide a space for abdicating when the lower convex ridge 151 of the bottom side plate 15 moves; in the process of manufacturing and forming the prefabricated reinforced concrete hollow template, the mould firstly needs to be moved to a blanking mechanism station to pour concrete raw materials, then needs to be moved to a static maintenance station, and finally needs to be moved to a demoulding position to demould; therefore, the traveling wheels 191 and the traveling guide rails 192 are arranged to facilitate the movement of the mold, so that the manufacturing process of the precast reinforced concrete hollow template is smoother.

Five partition boards 17 parallel to the front side plate 11 and the rear side plate 12 are arranged between the front side plate and the rear side plate, and divide the cavity into six sub-cavities 18; 6 prefabricated reinforced concrete hollow templates can be simultaneously manufactured, and the production efficiency is improved.

The left end and the right end of the outer side wall of the front side plate 11 and the outer side wall of the rear side plate 12 are respectively provided with a first wing piece, the front end and the rear end of the left side plate 13 and the right side plate 14 are respectively provided with a second wing piece pivoted with the first wing pieces, the first wing pieces and the second wing pieces are provided with bolt holes, and the first wing pieces and the second wing pieces are locked together by bolts penetrating through the bolt holes; the left end and the right end of the bottom side plate 15 are provided with third wing pieces, and the bottom ends of the left side plate 13 and the right side plate 14 are provided with fourth wing pieces pivoted with the third wing pieces; the third wing piece and the fourth wing piece are provided with bolt holes, and the third wing piece and the fourth wing piece are locked together by bolts penetrating through the bolt holes; when the mold is closed, the left side plate 13 and the right side plate 14 are respectively locked with the front side plate 11, the rear side plate 12 and the bottom side plate 15, so that the mold is closed more firmly.

The side surfaces of the left side plate 13 and the right side plate 14, which are back to the cavity, are provided with a plurality of reinforcing ribs which are distributed at intervals with the transverse through holes 21; the top side plate 16 and the bottom side plate 15 are provided with a plurality of reinforcing ribs which are distributed at intervals with the longitudinal through hole 161 on the side surface back to the cavity, and the lower sections of the outer side surfaces of the front side plate 11 and the rear side plate 12 are provided with the reinforcing ribs; the arrangement of the reinforcing ribs can enhance the overall structural strength of the die.

The core rod core penetrating or core pulling station 20 is provided with a transverse core pulling device 4 for clamping a transverse core rod 2 to be drawn out or put into a mold and a longitudinal core pulling device 5 for clamping a longitudinal core rod 3 to be drawn out or put into the mold; the transverse core pulling device 4 comprises a fixed support 41, a transverse driving device 42 and a transverse locking device 43 connected with the end head 23 of the transverse core rod, the transverse driving device 42 and the transverse locking device 43 are mounted on the fixed support 41, the transverse driving device 42 drives the transverse locking device 43 to move along the axial direction of the transverse core rod 2, and a supporting roller 44 for supporting the extracted transverse core rod 2 is arranged on one side of the fixed support 41 close to the cavity; when transverse core pulling is performed, the transverse locking device 43 is clamped with the transverse core rod end 23, the transverse driving device 42 drives the transverse locking device 43 to move so as to draw the transverse core rod 2 out of the cavity, and when the transverse core rod 2 is drawn out, the transverse core rod 2 is supported by the supporting roller 44, so that the stability of the transverse core rod 2 is maintained; the longitudinal core-pulling device 5 comprises a mounting frame 51, a longitudinal driving device 52 and a longitudinal locking device 53 for connecting with the end head 33 of the longitudinal core rod, the longitudinal driving device 52 and the longitudinal locking device 53 are mounted on the mounting frame 51, and the longitudinal driving device 52 drives the longitudinal locking device 53 to move along the axial direction of the longitudinal core rod 3; when the longitudinal core pulling device works, the longitudinal locking device 53 is clamped with the end head 33 of the longitudinal core rod, and the longitudinal driving device 52 drives the longitudinal locking device 53 to move so as to draw the longitudinal core rod 3 out of the cavity, so that the core pulling action is completed.

The transverse locking device 43 comprises a first fixing plate 431, a first locking piece 432, a first sliding seat 433 and a first locking driving mechanism 434, wherein the first fixing plate 431 is provided with a plurality of first limiting holes 4311 for accommodating a transverse core rod end 23, the first sliding seat 433 is fixedly connected to one side, close to a cavity, of the first fixing plate 431, the first sliding seat 433 is provided with a first limiting sliding groove 4331, and the first locking piece 432 slides in the first limiting sliding groove 4331; the first locking piece 432 is provided with a plurality of first locking holes 4321, each first locking hole 4321 comprises a first big hole 4322 for the transverse core rod end 23 to pass through and a first small hole 4323 for being clamped with the transverse core rod end 23, and the first big hole 4322 is communicated with the first small hole 4323; the first locking driving mechanism 434 drives the first locking piece 432 to switch between a locking position and a preparation position; when the first locking piece 432 is located at the preparation position, the first large hole 4322 and the first limiting hole 4311 are coaxially arranged; when the first locking piece 432 is located at the locking position, the first small hole 4323 on the first locking piece 432 is connected with the end 23 of the transverse core rod in a clamping manner; the first locking driving mechanism 434 is a locking hydraulic cylinder, and a piston rod of the locking hydraulic cylinder is connected to the first locking piece 432; when the first locking piece 432 is located at the locking position, the first small hole 4323 on the first locking piece 432 is connected with the transverse core rod end 23 in a clamping manner. When core pulling is performed, the transverse driving device 42 drives the transverse locking device 43 to move towards the direction close to the transverse core rod 2, and the end head 23 of the transverse core rod passes through the first large hole 4322 on the first locking plate 432 and enters the first limiting hole 4311 of the first fixing plate 431. The first limiting hole 4311 limits the movement of the transverse core rod end 23 along the radial direction, the first locking driving mechanism 42 drives the first locking piece 432 to move along the first limiting sliding groove 4331, and the first small hole 4323 on the first locking piece 432 is engaged with the first necking section 233 on the transverse core rod end 23, so that the transverse locking driving mechanism 42 and the transverse core rod end 23 are fixed in the traction direction. The extraction of the transverse mandrel 2 is then effected under the traction of the transverse drive 42. When the transverse core rod 2 needs to be placed in the empty cavity, the transverse driving device moves reversely to push the transverse core rod 2 back into the cavity, then the first locking piece 432 moves reversely along the first limiting sliding groove 4331, and the transverse locking device 43 is released from being connected with the transverse core rod 2.

The fixing bracket 431 of the present invention is provided with a plurality of transverse rails 45, the transverse locking device 43 is fixedly connected with a first moving frame 46, the first moving frame 46 is provided with a plurality of groups of first guide wheel sets 461 correspondingly matched with the transverse rails 45 one by one, and the first moving frame 46 moves along the transverse rails 45 through the first guide wheel sets 461; the transverse rail 46 is made of channel steel, each set of the first guide wheel set 461 comprises two first guide wheels 462 and two second guide wheels 463, the axes of the first guide wheels 462 and the second guide wheels 463 are perpendicular to the moving direction of the first moving frame 46, the axes of the first guide wheels 462 and the second guide wheels 463 are perpendicular to each other, and the first guide wheels 462 and the second guide wheels 463 abut against the inner grooves of the channel steel; the first guide wheel 462 abuts on the upper side plate or the lower right side plate of the channel, and the second guide wheel 463 abuts on the inner groove bottom plate of the channel, so that the vertical and front-rear directions of the first moving frame 46 are restricted by the first guide wheel 462 and the second guide wheel 463, and the first moving frame can move only in the horizontal direction along the channel.

The transverse driving device 42 of the present invention comprises a first driving motor 421, a first driving chain 422, a first driving sprocket 423 and a first driven sprocket 424, wherein the first driven sprocket 424 is rotatably connected to the fixed bracket 41, the first driving motor 421 is fixedly arranged on the fixed bracket 41, and the first driving sprocket 423 is mounted on an output shaft of the first driving motor 421; the first driving chain 422 is wound around the first driving sprocket 423 and the first driven sprocket 424, and the first movable frame 46 is fixedly connected with the first driving chain 422 through a connecting member; the first driving motor 421 rotates to drive the first driving sprocket 423, so as to drive the first driven sprocket 424 to move, and since the first movable frame 46 is fixedly connected to the first driving chain 422 through a connecting member, when the first driving chain 422 moves, the first movable frame 46 also moves.

The longitudinal locking device 53 of the present invention comprises a second fixing plate 531, a second locking plate 532, a second sliding seat 533 and a second locking driving mechanism 534, wherein the second fixing plate 531 is provided with a plurality of second limiting holes 5311 for accommodating the end 33 of the longitudinal core rod, the second sliding seat 533 is fixedly connected to the lower end of the second fixing plate 531, the second sliding seat 533 is provided with a second limiting sliding groove 5331, and the second locking plate 532 slides in the second limiting sliding groove 5331; the second locking plate 532 is provided with a plurality of second locking holes 5321, each second locking hole 5321 comprises a second large hole 5322 for the end 33 of the longitudinal core rod to pass through and a second small hole 5323 for being clamped with the end 33 of the longitudinal core rod, and the second large hole 5322 is communicated with the second small hole 5323; the second locking driving mechanism 534 drives the second locking tab 532 to switch between the locking position and the ready position; when the second locking piece 532 is located at the preparation position, the second large hole 5322 and the second limiting hole 5311 are coaxially arranged; when the second locking plate 532 is located at the locking position, the second small hole 5323 on the second locking plate 532 is connected with the end 23 of the longitudinal core rod in a clamping manner; the second locking driving mechanism 534 is a locking hydraulic cylinder, and a piston rod of the locking hydraulic cylinder is connected to the second locking piece 532; when core pulling is performed, the longitudinal driving device 52 drives the longitudinal locking device 53 to move downward, and the end head 33 of the longitudinal core rod passes through the second large hole 5322 on the second locking plate 532 and enters the second limiting hole 5311 of the second fixing plate 531. The second limiting hole 5311 limits the movement of the longitudinal core rod end 33 along the radial direction; the second locking driving mechanism 534 drives the second locking plate 532 to move transversely along the second limiting sliding groove 5331, and the second small hole 5323 on the second locking plate 532 is clamped with the second necking section 333 on the end 33 of the longitudinal core rod, so that the longitudinal locking device and the end 33 of the longitudinal core rod are fixed in the traction direction. When it is desired to place the longitudinal core rod 3 in the empty cavity, the longitudinal driving device 52 moves downwards to place the longitudinal core rod 3 in the cavity, and then the second locking tab 532 is released, and the longitudinal locking device 53 is disengaged from the longitudinal core 3. Further, the second locking driving mechanism 534 is a locking hydraulic cylinder, and a piston rod of the locking hydraulic cylinder is connected to the second locking piece 532. The second locking tab 532 is switched between the locking position and the ready position by the driving action of the locking cylinder. Compare in manual drive second stay 532 switches, uses the locking pneumatic cylinder can improve work efficiency greatly.

A plurality of longitudinal rails 54 are arranged on the mounting frame 51, a second moving frame 55 is fixedly connected to the longitudinal locking device 53, a plurality of groups of second guide wheel sets 551 which are matched with the longitudinal rails 54 in a one-to-one correspondence manner are arranged on the second moving frame 55, and the second moving frame 55 moves along the longitudinal rails 54 through the second guide wheel sets 551; thus defining the moving direction of the second moving frame 55 and the longitudinal locking device 53, the longitudinal driving device 52 provides the power for moving the longitudinal locking device 53 and controls the moving distance of the longitudinal locking device 53; the longitudinal rail 54 is made of channel steel, each set of the second guide wheel set 551 includes two third guide wheels 552 and two fourth guide wheels 553, axes of the third guide wheels 552 and the fourth guide wheels 553 are perpendicular to a moving direction of the second moving frame 55, axes of the third guide wheels 552 and the fourth guide wheels 553 are perpendicular to each other, and the third guide wheels 552 and the fourth guide wheels 553 abut against inner grooves of the channel steel; the third guide wheel 552 abuts against a left side plate or a right side plate of the channel, and the fourth guide wheel 553 abuts against an inner groove bottom plate of the channel, so that the second moving frame 55 is restricted in the left-right and front-rear directions by the third guide wheel 552 and the fourth guide wheel 553, and can move only in the up-down direction of the channel.

The longitudinal driving device 52 of the invention comprises a longitudinal hydraulic cylinder, the cylinder body of the longitudinal hydraulic cylinder is rotatably connected to the mounting frame 51 above the longitudinal locking device 53, and the piston rod of the hydraulic cylinder is hinged to the longitudinal locking device 53 or the second moving frame 55; therefore, the longitudinal locking device 53 and the second moving frame 55 can be driven to move up and down longitudinally through the extension and retraction of the piston rod of the longitudinal hydraulic cylinder, and the cylinder body of the longitudinal hydraulic cylinder and the piston rod are hinged, so that the influence on the moving smoothness of the longitudinal locking device 53 caused by assembly errors is avoided; a guide pulley 56 is arranged below the mounting frame 51; the mounting frame 51 is convenient to move above the cavity for core pulling.

The transverse driving device 42 and the longitudinal driving device 52 of the present invention may also be other driving structures, such as a cylinder driving structure, a screw rod and slider structure, etc.

Compared with the prior art, the core pulling action of the transverse core rod and the longitudinal core rod 3 is realized by arranging the transverse core pulling device 4 and the longitudinal core pulling device 5, so that the production efficiency of the precast concrete hollow template is greatly improved.

The mold casting station 30 of the present invention is provided with a blanking mechanism; the blanking mechanism comprises a hopper 61, a material conveying pipe 62 and a blanking support 63 for erecting the material conveying pipe 62 above the mold 1, wherein the material conveying pipe 62 is provided with a main material pipe 621 connected with the hopper 61 and at least one material distributing pipe 622 connected with the main material pipe 621, the material distributing pipe 622 extends along the length direction of a cavity opening of the mold 1 and is provided with a plurality of blanking pipes 623 extending into the cavity opening and a switch valve 624 for controlling the opening and closing of the blanking pipes 623; according to the invention, concrete raw materials are poured into the cavity from a plurality of positions through a plurality of discharging pipes 623 simultaneously, and the concrete raw materials are dispersed and poured into the cavity to be discharged more uniformly and compactly; the problem of uneven distribution of concrete on two sides of the cavity caused by pouring concrete into the middle of the cavity is avoided, and the production quality and the production efficiency are improved.

A flange joint 6241 is arranged on the blanking pipe 623, and the switch valve 624 is provided with a valve 6242 arranged on the flange joint 6241 and a valve cylinder 6243 for controlling the switch of the valve 6242; through setting up flange joint 6241, conveniently set up ooff valve 624 on unloading pipe 623, and then be convenient for control unloading pipe 623 switches on and closes, and the unloading is more convenient.

The number of the distributing pipes 622 is two, the distributing pipes 622 are symmetrically connected to one end of the main pipe 621, and each distributing pipe 622 corresponds to one cavity opening; two cavities can be poured simultaneously, and the production efficiency is improved.

The distance between the two material distributing pipes 622 is the distance for separating two cavities; when the six cavities are arranged on the mold, two cavities are simultaneously poured once, and the six cavities can be poured by pouring three times, so that the production efficiency is high; and an interval is arranged between the two cavities for each pouring, so that the mutual influence during blanking can be avoided, and the blanking effect is good.

The blanking support 63 is provided with a rectangular frame for erecting and supporting the distributing pipe 622, pulleys 635 are respectively arranged on two frame rods positioned below two ends of the distributing pipe 622 on the rectangular frame, and two sliding rails 636 for the pulleys 635 to slide are arranged above the die; the material distributing pipe 622 can move above the die through the matching structure of the pulley 635 and the sliding rail 636 and walk above each cavity, so that each cavity can be conveniently and continuously poured, and the production efficiency is high.

The blanking mechanism of the invention also comprises a reinforcing steel bar clamping structure arranged on the blanking bracket 63, the reinforcing steel bar clamping structure is provided with a plurality of reinforcing steel bar clamping pieces 64 which are distributed at intervals with the blanking pipe 623, each reinforcing steel bar clamping piece 64 is provided with a fixing part 641 locked on the blanking bracket 63, two fixed clamping arms 642 extending downwards from the fixing part 641, two movable clamping arms 643 rotatably pivoted on the fixing part 641 and a reinforcing steel bar clamping cylinder 644 driving the two movable clamping arms 643 to clamp reinforcing steel bars with the two fixed clamping arms 642; in order to enhance the structural strength of the prefabricated reinforced concrete member, a reinforced net rack is required to be placed in a cavity before concrete raw materials are poured, and the prefabricated reinforced concrete member with the reinforced net rack is formed; in order to balance the overall structural strength of the prefabricated reinforced concrete member, the reinforced net rack needs to be wrapped at the middle position of the prefabricated reinforced concrete member, and the reinforced net rack needs to be positioned at the middle position of the cavity when concrete raw materials are poured; utilize reinforcing bar holder 64 to hang the reinforcing bar rack centre gripping in the air in the die cavity, keep the reinforcing bar rack in the die cavity intermediate position, guarantee the overall structure intensity of prefabricated reinforced concrete component balanced, improve production quality.

The movable clip arm 643 of the present invention has a clamping portion 6431 for clamping the reinforcing bar with the fixed clip arm 642 and a connecting portion 6432 protruding above the fixing portion 641 and connected with the reinforcing bar clamping cylinder 644, and the middle section of the movable clip arm 643 is pivotally connected with the fixing portion 641 through a pivot shaft 6433; the piston seat of the reinforcing steel bar clamping cylinder 644 is connected with the connecting part 6432 of one movable clamping arm 643, and the piston rod of the reinforcing steel bar clamping cylinder 644 is connected with the connecting part 6432 of the other movable clamping arm 643; the reinforcing steel bar clamping cylinder 644 pushes or pulls the connecting part 6432, the movable clamping arms 643 rotate around the pivot shaft 6433, and the clamping part 6431 rotates to clamp the reinforcing steel bar with the fixed clamping arms 642 or separate from the fixed clamping arms 642 to release the reinforcing steel bar; when the reinforcing steel bar clamping cylinder 644 drives the piston rod to eject out the piston seat, the piston rod and the piston seat are lengthened to push the connecting part 6432 of the two movable clamping arms 643 to rotate outwards, the movable clamping arms 643 rotate around the pivot shaft 6433, and the clamping part 6431 rotates inwards to be matched with the fixed clamping arms 642 to clamp the reinforcing steel bar; when the reinforcing steel bar clamping cylinder 644 drives the piston rod to retract the piston seat, the piston rod and the piston seat shorten to further pull the connecting part 6432 of the two movable clamping arms 643 to rotate inwards, the movable clamping arms 643 rotate around the pivot shaft 6433, and the clamping part 6431 rotates outwards to be separated from the fixed clamping arms 642 to loosen the reinforcing steel bar; the reinforcing steel bar clamping cylinder 644 drives the movable clamping arm 643 to move and is combined with the fixed clamping arm 642 to clamp or release the reinforcing steel bar conveniently.

Two sides of each fixed clamping arm 642 are respectively provided with one movable clamping arm 643; a fixed clip arm 642 cooperates with two movable clip arms 643 to perform the clamping operation to firmly clamp the reinforcement bar.

The fixed clamping arm 642 and the movable clamping arm 643 are respectively provided with a plurality of corresponding clamping grooves 645 for clamping reinforcing steel bars; as the rebar is generally circular tubular, the rebar can be further securely retained by the retaining grooves 645.

The blanking mechanism of the invention also comprises a plurality of steel bar vibrators 65 arranged on the blanking bracket 63; the reinforcing steel bar vibrator 65 vibrates to drive the reinforcing steel bar clamping piece 64 to vibrate, and further drive the reinforcing steel bar net rack to vibrate; can be on one side pouring concrete raw materials, vibrate the reinforcing bar rack for the concrete raw materials vibration of die cavity is closely knit, avoids producing the gas pocket, improves the quality of prefabricated reinforced concrete component.

The blanking support 63 of the invention is divided into an upper support 631 for fixing a material conveying pipe, a middle support 632 for fixing a reinforcing steel bar vibrator 65 and a lower support 633 for fixing a reinforcing steel bar clamping piece 64, wherein the upper support 631 and the middle support 632 are connected through a plurality of lifting cylinders 634; before the concrete raw material is poured, the lifting cylinder 634 is driven to push the middle layer bracket 632 to move downwards, the reinforcing steel bar clamping piece 64 is pushed to move downwards to enter the cavity to clamp the reinforcing steel bars, and the reinforcing steel bar net rack is positioned in the middle position of the cavity; after the concrete raw material is poured, the lifting cylinder 634 is driven to pull the middle-layer bracket 632 to move upwards, and the reinforcing steel bar clamping piece 64 does not clamp the reinforcing steel bar to move upwards and exits the cavity; and the position of the middle layer support 632 can be adjusted by the lifting cylinder 634, so that the position of the reinforcing steel bar clamping piece 64 is adjusted to adjust the position of the reinforcing steel bar net rack, the reinforcing steel bar net rack can be adjusted to be positioned in the middle of the cavity, and the structural strength of the prefabricated reinforced concrete component is ensured to be more uniform.

The upper bracket 631, the middle bracket 632, and the lower bracket 633 of the present invention are respectively rectangular frames, two protrusions 6411 are disposed at two ends of the top of the fixing portion 641, and the fixing portion is locked on the lower bracket 633 by passing through the protrusions 6411 through a bolt.

The die casting station 30 is also provided with two mandrel vibration mechanisms 7 which are respectively positioned at two sides of the die and used for clamping the transverse mandrels 2 to vibrate, and each mandrel vibration mechanism 7 comprises a mandrel vibration frame 71 and at least one group of mandrel vibration units 72 arranged on the mandrel vibration frame 71; the mandrel vibrating unit 72 comprises a vibrating plate 721, at least one through hole 722 arranged on the vibrating plate 721 for inserting and fixing the transverse mandrel 2, an elastic structure 723 connecting the vibrating plate 721 and the mandrel vibrating frame 71, and a mandrel vibrator 724 arranged on the vibrating plate 721; the core rod vibration mechanism 7 is arranged on the side of the mold and clamps the transverse core rod 2 protruding out of the mold by using the core rod vibration unit 72, the transverse core rod 2 is inserted into the through hole 722 on the vibration plate 721, the vibration plate 721 can be driven to vibrate by the core rod vibrator 724 when vibrating so as to drive the transverse core rod 2 to vibrate, and when concrete raw materials are poured in the production process of the precast reinforced concrete hollow template, the transverse core rod 2 is vibrated at the same time, so that the concrete raw materials are uniformly and compactly distributed, air holes are avoided, and the production quality of the precast reinforced concrete hollow template is improved; in addition, the elastic structure 723 can buffer the vibration force during the vibration of the vibration plate 721, so that the vibration force is reduced to be transmitted to the mandrel vibration frame 71, and the mandrel vibration frame 71 is stably erected on the ground.

A plurality of groups of mandrel vibration units 72 are arranged on one side of the mandrel vibration frame 71 at intervals in parallel; when the porous hollow template is produced by the mold, a plurality of transverse core rods 2 are inserted, the plurality of groups of core rod vibration units 72 can clamp and vibrate the plurality of transverse core rods 2, each transverse core rod 2 vibrates to tightly vibrate concrete raw materials around the transverse core rod 2, the distribution is uniform, and the production quality of the prefabricated reinforced concrete hollow template is improved.

The vibrating plate 721 of the present invention is vertically arranged and vertically arranged with a plurality of the through holes 722; each vibration plate 721 can hold and vibrate a row of the transverse core rods 2 at the same time, improving the vibration efficiency.

The vibrating plate 721 of the present invention is transversely disposed and has a plurality of the through holes 722 arranged in a transverse direction; each vibration plate 721 can hold and vibrate a row of the transverse core rods 2 at the same time, improving the vibration efficiency.

The mandrel vibration frame 71 of the present invention is provided with an upper cross bar 711 and a lower cross bar 711, and the vibration plate 721 is connected to one side of the two cross bars 711 through two elastic structures 723; the elastic structure 723 is provided with a fixing plate 7231 arranged on the side surface of the vibrating plate 721 opposite to the transverse core rod 2, a fixing column 7232 extending downwards from the fixing plate 7231, a sleeve column 7233 arranged on the cross bar 711 and used for inserting the fixing column 7232, and a spring 7234, wherein the spring 7234 is sleeved on the fixing column 7232, one end of the spring 7234 abuts against the fixing plate 7231, and the other end of the spring 7234 abuts against the sleeve column 7233; when vibrating, the mandrel vibrator 724 can transmit the vibration force to the vibrating plate 721 and further to the transverse mandrel 2 clamped by the vibrating plate 721, so that the concrete raw material is vibrated and compacted in the vibrating process of the transverse mandrel 2; the vibrating plate 721 and the mandrel vibrating frame 71 are connected through an elastic structure 723, that is, the vibrating force on the vibrating plate 721 is transmitted to the fixing column 7232 through the fixing plate 7231, and is finally transmitted to the cross bar 711 through the buffering of the spring 7234 sleeved on the fixing column 7232, so that the transmission of the vibrating force to the mandrel vibrating frame 71 can be reduced as much as possible, and the mandrel vibrating frame 1 can stably stand on the ground.

The two cross bars 711 of the present invention are respectively provided with a rectangular frame 712 for the vibrating plate 721 to penetrate through, and an abdicating space 7121 for the vibrating plate 721 to perform vibration abdicating is respectively provided between four inner side walls of the rectangular frame 712 and four side surfaces of the vibrating plate 721; the rectangular frame 712 can limit the vibration range of the vibration plate 721, so as to limit the vibration amplitude of the transverse core rod 2, improve the vibration frequency, and make the vibration of the concrete material more uniform and compact.

The mandrel vibrator 724 of the present invention is disposed on a side of the vibration plate 721 facing away from the transverse mandrel 2, and facilitates transmission of a vibration force to the vibration plate 721.

The vibrating plate 721 of the present invention is provided with two protrusions, the mandrel vibrator 724 has two fins attached to the protrusions, and the protrusions and the fins are fastened together by bolts; the mandrel vibrator 724 may be firmly locked to the vibration plate 721.

The mandrel vibration frame 71 of the invention is provided with a mandrel vibration fixing frame 713 standing on the ground, a mandrel vibration movable frame 714 for arranging a mandrel vibration unit 72 and a vibration frame cylinder 715 for driving the mandrel vibration movable frame 714 to move on the mandrel vibration fixing frame 713; the vibration frame cylinder 715 is provided with a piston seat fixed in the middle of the mandrel vibration fixing frame 713 and a piston rod with the end fixed in the middle of the mandrel vibration movable frame 714; the vibration frame cylinder 715 can push the core rod vibration movable frame 714 to move, and further push the vibration plate 721 to move, when the vibration plate 721 is pushed to move towards the direction close to the mold, the transverse core rod 2 can be inserted into the through hole 722 of the vibration plate 721, the vibration plate 721 and the transverse core rod 2 are combined together to transfer the vibration force to the transverse core rod 2, and the purpose of vibrating the concrete raw material is achieved; when the vibration plate 721 is pushed to move away from the die, the vibration plate 721 is separated from the transverse core rod 2, and the transverse core rod 2 does not vibrate.

Guide wheels 7141 are arranged at the upper end and the lower end of two sides of the mandrel vibration movable frame 714, and guide rails 7131 for the guide wheels 7141 to slide are arranged at two sides of the mandrel vibration fixed frame 713; when the vibration frame cylinder 715 pushes the mandrel vibration movable frame 714 to move, the guide wheel 7141 and the guide rail 7131 are matched, so that the mandrel vibration movable frame 714 can move more smoothly and stably.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims

1. The utility model provides an interior prefabricated reinforced concrete hollow formwork's that has cross hole automation line which characterized in that: the automatic production line comprises a mould closing station, a core rod penetrating or core pulling station, a mould pouring station, a first maintenance station, a second maintenance station, a mould demoulding station, a mould and a travelling mechanism for carrying the mould to flow to each station, wherein the mould sequentially operates each station to form a circulating production line advancing according to the production process of the prefabricated part; the mould closing station, the core rod penetrating or core pulling station, the mould pouring station and the mould demoulding station are positioned on the same straight line, a walking guide rail is connected between every two adjacent stations, and the bottom of the mould is provided with a walking wheel walking on the walking guide rail; the first maintenance station and the second maintenance station are arranged on the same side of the travelling guide rail side by side, a first travelling rail is arranged on one side of the first maintenance station, which is far away from the second maintenance station, a second travelling rail is arranged on one side of the first maintenance station, which is intersected with the second maintenance station, and a third travelling rail is arranged on one side of the second maintenance station, which is far away from the first maintenance station; the first traveling track, the second traveling track and the third traveling track are arranged in parallel, a first ferry vehicle for carrying the mold is arranged on the first traveling track, a second ferry vehicle for carrying the mold is arranged on the second traveling track, and a third ferry vehicle for carrying the mold is arranged on the third traveling track; the travelling mechanism comprises the travelling guide rail, travelling wheels, a first travelling rail, a first ferry vehicle, a second travelling rail, a second ferry vehicle, a third travelling rail and a third ferry vehicle; the die is provided with a plurality of transverse core rods and a plurality of longitudinal core rods, each transverse core rod comprises a transverse core rod penetrating through the die cavity and a transverse core rod end locked at two ends of the transverse core rod and protruding out of the die cavity, and each longitudinal core rod comprises a longitudinal core rod penetrating through the die cavity and a longitudinal core rod end formed at one end of the longitudinal core rod and protruding out of the die cavity for clamping of the longitudinal core pulling device; the core rod core penetrating or core pulling station is provided with a transverse core pulling device for clamping a transverse core rod to be drawn out or put into the mold and a longitudinal core pulling device for clamping a longitudinal core rod to be drawn out or put into the mold; the transverse core pulling device comprises a fixed support, a transverse driving device and a transverse locking device, wherein the transverse locking device is used for being connected with the end head of a transverse core rod, the transverse driving device and the transverse locking device are installed on the fixed support, the transverse driving device drives the transverse locking device to move along the axial direction of the transverse core rod, and a supporting roller used for supporting the extracted transverse core rod is arranged on one side, close to the cavity, of the fixed support; the longitudinal core pulling device comprises a mounting frame, a longitudinal driving device and a longitudinal locking device connected with the end head of the longitudinal core rod, the longitudinal driving device and the longitudinal locking device are mounted on the mounting frame, and the longitudinal driving device drives the longitudinal locking device to move along the axial direction of the longitudinal core rod; the transverse locking device comprises a first fixing plate, a first locking piece, a first sliding seat and a first locking driving mechanism, wherein a plurality of first limiting holes used for accommodating the end head of the transverse core rod are formed in the first fixing plate, the first sliding seat is fixedly connected to one side, close to the cavity, of the first fixing plate, a first limiting sliding groove is formed in the first sliding seat, and the first locking piece slides in the first limiting sliding groove; the first locking piece is provided with a plurality of first locking holes, each first locking hole comprises a first big hole for the end head of the transverse core rod to pass through and a first small hole for being clamped with the end head of the transverse core rod, and the first big hole is communicated with the first small hole; the first locking driving mechanism drives the first locking piece to switch between a locking position and a preparation position; when the first locking piece is positioned at the preparation position, the first large hole and the first limiting hole are coaxially arranged; when the first locking piece is located at the locking position, a first small hole in the first locking piece is connected with the end of the transverse core rod in a clamping mode; the first locking driving mechanism is a locking hydraulic cylinder, and a piston rod of the locking hydraulic cylinder is connected to the first locking piece; the longitudinal locking device comprises a second fixing plate, a second locking sheet, a second sliding seat and a second locking driving mechanism, wherein a plurality of second limiting holes used for accommodating the end head of the longitudinal core rod are formed in the second fixing plate, the second sliding seat is fixedly connected to the lower end of the second fixing plate, a second limiting sliding groove is formed in the second sliding seat, and the second locking sheet slides in the second limiting sliding groove; the second locking sheet is provided with a plurality of second locking holes, each second locking hole comprises a second large hole for the end head of the longitudinal core rod to pass through and a second small hole for being clamped with the end head of the longitudinal core rod, and the second large hole is communicated with the second small hole; the second locking driving mechanism drives the second locking piece to switch between a locking position and a preparation position; when the second locking piece is positioned at the preparation position, the second large hole and the second limiting hole are coaxially arranged; when the second locking sheet is located at the locking position, a second small hole in the second locking sheet is connected with the end of the longitudinal core rod in a clamping mode; the second locking driving mechanism is a locking hydraulic cylinder, and a piston rod of the locking hydraulic cylinder is connected to the locking piece.

2. The automatic production line of the precast reinforced concrete hollow template with the crossed holes in the claim 1, is characterized in that: the first maintenance station is provided with a plurality of first guide rails for placing and bearing the hollow reinforced concrete formwork die, and two ends of each first guide rail are respectively connected with a first walking rail and a second walking rail; and the second maintenance station is provided with a plurality of second guide rails for placing and bearing the hollow template mould of the precast reinforced concrete, and two ends of each second guide rail are respectively connected with the second walking rail and the third walking rail.

3. The automatic production line of the precast reinforced concrete hollow template with the crossed holes in the claim 1, is characterized in that: the lengths of the second walking track and the third walking track are greater than that of the first walking track.

4. The automatic production line of the precast reinforced concrete hollow template with the crossed holes in the claim 1, is characterized in that: and a mould top side plate covering station is arranged between the mould pouring station and the first maintenance station.

5. The automatic production line of the precast reinforced concrete hollow template with the crossed holes in the claim 1, is characterized in that: and a mould cleaning and oiling station is arranged between the mould demoulding station and the mould closing station.

6. The automatic production line of the precast reinforced concrete hollow template with the crossed holes in the claim 1, is characterized in that: and an embedded steel bar net rack station is also arranged between the mould closing station and the mould core penetrating or pulling station.

7. The automatic production line of the precast reinforced concrete hollow template with the crossed holes in the claim 1, is characterized in that: the mould comprises a front side plate, a rear side plate, a left side plate, a right side plate, a bottom side plate and a top side plate, wherein the front side plate, the rear side plate, the left side plate, the right side plate, the bottom side plate and the top side plate enclose a cavity; a plurality of partition plates parallel to the front side plate and the rear side plate are arranged between the front side plate and the rear side plate, and the cavity is divided into a plurality of vertical sub-cavities with upward cavity openings; the left side plate and the right side plate are provided with a row of transverse through holes for the transverse core rods to pass through corresponding to each sub-cavity, the top side plate is provided with a row of longitudinal through holes for the longitudinal core rods to pass through corresponding to each sub-cavity, and the longitudinal core rods are provided with a row of transverse through holes corresponding to the transverse through holes; the longitudinal core rod penetrates through the longitudinal through hole of the top side plate, and the tail end of the longitudinal core rod abuts against the bottom side plate; the transverse core rod penetrates into the cavity through one transverse through hole, the middle part of the transverse core rod penetrates through the transverse through hole of the longitudinal core rod and then penetrates out of the other transverse through hole, the longitudinal core rod and the transverse core rod are arranged in the cavity, and the cavity capable of producing the precast reinforced concrete hollow template with the crossed holes is formed in the cavity.

8. The automatic production line of the precast reinforced concrete hollow template with the crossed holes inside according to claim 7, is characterized in that: the bottom side plate is divided into a plurality of lower convex ridges which correspondingly protrude into each cavity to form the bottom wall of the cavity; the bottom surface of the lower convex edge is provided with a sliding groove penetrating through two ends of the lower convex edge, and a sliding rod is arranged in the sliding groove; the left end and the right end of the sliding rod are provided with first pivoting parts, the left end and the right end of the bottoms of the front side plate, the rear side plate and the partition plate are provided with second pivoting parts, and adjacent first pivoting parts and second pivoting parts which are positioned on the same side are pivoted together through a chain sheet; and one end of the chain sheet is provided with a circular hole, and the other end of the chain sheet is provided with an oval hole.

9. The automatic production line of the precast reinforced concrete hollow template with the crossed holes inside according to claim 7, is characterized in that: the transverse core rod is a circular rod, and the transverse through hole are circular holes; the longitudinal core rod is a square rod, and the longitudinal through hole is a square hole.

10. The automatic production line of the precast reinforced concrete hollow template with the crossed holes inside according to claim 7, is characterized in that: the two ends of the transverse core rod are respectively provided with a transition section penetrating through the transverse through hole and a connecting section connected with the end head of the transverse core rod; the outer ring of the transition section is sleeved with a rubber vibration sleeve, and the rubber vibration sleeve seals a gap between the transition section and the transverse through hole; the transverse core rod end is provided with a first end connected with the transverse core rod and a second end connected with the vibration mechanism in a vibration mode, and a first necking section for clamping the transverse core pulling device is arranged between the first end and the second end of the transverse core rod end.

11. The automatic production line of the precast reinforced concrete hollow template with the crossed holes inside according to claim 7, is characterized in that: the end head of the longitudinal core rod is provided with a third end connected with the longitudinal core rod, a fourth end inserted into the core-pulling mechanism and a second necking section located between the third end and the fourth end and used for clamping the core-pulling mechanism.

12. The automatic production line of the precast reinforced concrete hollow template with the crossed holes in the claim 1, is characterized in that: the fixed support is provided with a plurality of transverse rails, the transverse locking device is fixedly connected with a first moving frame, the first moving frame is provided with a plurality of groups of first guide wheel sets which are in one-to-one corresponding fit with the transverse rails, and the first moving frame moves along the transverse rails through the first guide wheel sets; the transverse track is made of channel steel, each group of first guide wheel sets comprises two first guide wheels and two second guide wheels, the axes of the first guide wheels and the second guide wheels are perpendicular to the moving direction of the first moving frame, the axes of the first guide wheels and the second guide wheels are perpendicular to each other, and the first guide wheels and the second guide wheels are abutted against the inner grooves of the channel steel; a plurality of longitudinal rails are arranged on the mounting frame, a second moving frame is fixedly connected to the locking device, a plurality of groups of second guide wheel sets which are in one-to-one corresponding fit with the longitudinal rails are arranged on the second moving frame, and the second moving frame moves along the longitudinal rails through the second guide wheel sets; the longitudinal rail is made of channel steel, each group of second guide wheel sets comprises two third guide wheels and two fourth guide wheels, the axes of the third guide wheels and the fourth guide wheels are perpendicular to the moving direction of the second moving frame, the axes of the third guide wheels and the fourth guide wheels are perpendicular to each other, and the third guide wheels and the fourth guide wheels are abutted to the inner grooves of the channel steel.

13. The automatic production line of the precast reinforced concrete hollow template with the crossed holes inside according to claim 12, is characterized in that: the transverse driving device comprises a first driving motor, a first driving chain wheel and a first driven chain wheel, the first driven chain wheel is rotationally connected to the fixed support, the first driving motor is fixedly arranged on the fixed support, and the first driving chain wheel is arranged on an output shaft of the driving motor; the first driving chain is wound on the first driving chain wheel and the first driven chain wheel, and the first movable frame is fixedly connected with the first driving chain through a connecting piece; the longitudinal driving device comprises a longitudinal hydraulic cylinder, a cylinder body of the longitudinal hydraulic cylinder is rotatably connected to the mounting frame above the longitudinal locking device, and a piston rod of the hydraulic cylinder is hinged to the longitudinal locking device or the second moving frame; and a guide pulley is arranged below the mounting frame.

14. The automatic production line of the precast reinforced concrete hollow template with the crossed holes in the claim 1, is characterized in that: a blanking mechanism is arranged at the die casting station; the blanking mechanism comprises a hopper, a material conveying pipe and a blanking support for erecting the material conveying pipe above the die, wherein the material conveying pipe is provided with a main material pipe connected with the hopper and at least one material distributing pipe connected with the main material pipe, the material distributing pipe extends along the length direction of a cavity opening of the die and is provided with a plurality of blanking pipes extending into the cavity opening and switch valves for controlling the opening and closing of the blanking pipes.

15. The automatic production line of the precast reinforced concrete hollow formwork with the crossed holes in the claim 14, is characterized in that: the number of the material distributing pipes is two, the two material distributing pipes are symmetrically connected to one end of the main material pipe, each material distributing pipe is arranged corresponding to one cavity opening, and the distance between the two material distributing pipes is the distance separating the two cavities.

16. The automatic production line of the precast reinforced concrete hollow formwork with the crossed holes in the claim 14, is characterized in that: the blanking support is provided with a rectangular frame for erecting and supporting the material distributing pipe, pulleys are respectively arranged on two frame rods positioned below two ends of the material distributing pipe on the rectangular frame, and two sliding rails for the pulleys to slide are arranged above the die.

17. The automatic production line of the precast reinforced concrete hollow formwork with the crossed holes in the claim 14, is characterized in that: the blanking mechanism also comprises a steel bar clamping structure arranged on the blanking support, the steel bar clamping structure is provided with a plurality of steel bar clamping pieces which are distributed at intervals with the blanking pipe, and each steel bar clamping piece is provided with a fixing part locked on the blanking support, two fixed clamping arms extending downwards from the fixing part, two movable clamping arms rotationally pivoted on the fixing part, and a steel bar clamping cylinder for driving the two movable clamping arms to mutually clamp steel bars with the two fixed clamping arms respectively; the movable clamping arm is provided with a clamping part which mutually clamps the steel bar with the fixed clamping arm and a connecting part which is convexly arranged above the fixed part and connected with the steel bar clamping cylinder, and the middle section of the movable clamping arm is pivoted with the fixed part through a pivoting shaft; the piston seat of the steel bar clamping cylinder is connected with the connecting part of one movable clamping arm, and the piston rod of the steel bar clamping cylinder is connected with the connecting part of the other movable clamping arm; the steel bar clamping cylinder pushes or pulls the connecting part, the movable clamping arm rotates by taking the pivot shaft as a shaft, and the clamping part rotates to clamp the steel bar with the fixed clamping arm mutually or separate from the fixed clamping arm to loosen the steel bar.

18. The automatic production line of the precast reinforced concrete hollow template with the crossed holes inside according to claim 17, is characterized in that: the blanking mechanism also comprises a plurality of steel bar vibrators arranged on the blanking bracket; the blanking support is divided into an upper support for fixing the conveying pipe, a middle support for fixing the steel bar vibrator and a lower support for fixing the steel bar clamping piece, and the upper support and the middle support are connected through a plurality of lifting cylinders.

19. The automatic production line of the precast reinforced concrete hollow template with the crossed holes in the claim 1, is characterized in that: the die casting station is also provided with two mandrel vibration mechanisms which are respectively positioned at two sides of the die and used for clamping and vibrating a transverse mandrel, and each mandrel vibration mechanism comprises a mandrel vibration frame and at least one group of mandrel vibration units arranged on the mandrel vibration frame; the mandrel vibrating unit is provided with a vibrating plate, at least one through hole which is arranged on the vibrating plate and used for inserting and fixing the transverse mandrel, an elastic structure which is used for connecting the vibrating plate and the mandrel vibrating frame, and a mandrel vibrator which is arranged on the vibrating plate.

20. The automatic production line of the precast reinforced concrete hollow template with the crossed holes inside according to claim 19, characterized in that: a plurality of groups of mandrel vibration units are arranged on one side of the mandrel vibration frame at intervals in parallel; the vibrating plate is vertically arranged and is vertically provided with a plurality of through holes; or the vibration plate is transversely arranged and is transversely provided with a plurality of through holes.

21. The automatic production line of the precast reinforced concrete hollow template with the crossed holes inside according to claim 19, characterized in that: the mandrel vibrating frame is provided with an upper cross rod and a lower cross rod, and the vibrating plate is connected and arranged on one side of the two cross rods through two elastic structures; the elastic structure is provided with a fixed plate arranged on the side surface of the vibrating plate opposite to the core rod, a fixed column extending downwards from the fixed plate, a sleeve column and a spring, wherein the sleeve column and the spring are arranged on the cross rod and are used for inserting the fixed column; two be provided with the rectangle frame that supplies the vibration board to wear to establish on the horizontal pole respectively, and four inside walls of rectangle frame have the space of stepping down that supplies the vibration board vibration to step down respectively with four sides of vibration board between.

22. The automatic production line of the precast reinforced concrete hollow template with the crossed holes inside according to claim 19, characterized in that: the mandrel vibrating frame is provided with a mandrel vibrating fixed frame standing on the ground, a mandrel vibrating movable frame used for arranging a mandrel vibrating unit and a vibrating frame air cylinder driving the mandrel vibrating movable frame to move on the mandrel vibrating fixed frame; the vibrating frame cylinder is provided with a piston seat fixed in the middle of the mandrel vibrating fixed frame and a piston rod with the end part fixed in the middle of the mandrel vibrating movable frame.