A production line for steel truss floor decking without dismantling bottom formwork

Abstract

The present invention discloses a production line for steel bar truss floor decking plates without dismantling bottom molds. The present invention relates to the field related to steel bar truss floor decking plates, including a bottom plate cleaning machine, a bottom plate oil spraying machine, a mesh cloth cutting machine, a mixing and batching main building, a scraping device, a steel bar placement hanger, a lifting and vibration device, a demoulding machine and a trimming machine. The present invention cleans the mold bottom plate by arranging a bottom plate cleaning machine in the production line, and an auxiliary cleaning device is arranged in the bottom plate cleaning machine. The auxiliary cleaning device can efficiently clean the mold bottom plate passing below, and two sets of synchronously moving scraping and sweeping discs are built in. The scraping and sweeping discs can contact the mold bottom plate to scrape it efficiently. A set of spray discs that can be adjusted to the left and right positions and rotate synchronously with the scraping and sweeping discs are installed inside the device. The spray discs can spray water or air to clean the surface of the scraping and sweeping discs during the rotation process, and can also assist in cleaning the mold bottom plate, effectively improving the cleaning efficiency and effect, and reducing manual operations.

Description

Technical Field

[0001] The invention relates to the field related to steel bar truss floor decks, and in particular to a production line for steel bar truss floor decks without dismantling bottom formwork. Background Art

[0002] The steel truss floor decking is a composite formwork that processes the steel bars in the floor slab into steel trusses in the factory and connects the steel trusses with the base plate into one. The steel truss floor decking can significantly reduce the amount of on-site steel bar binding work, speed up the construction progress, and increase construction safety assurance. The steel truss floor decking can ensure uniform spacing of steel bars and consistent thickness of concrete protective layer, thereby improving the construction quality of the floor slab and is widely used in the construction industry. The disassembly-free steel truss floor decking realizes the elimination of the base plate, further reducing the construction difficulty and improving construction efficiency.

[0003] Chinese Patent Application No.: CN202310882907.4 The present invention relates to the technical field of prefabrication and assembly of steel truss floor decking, and proposes a prefabrication and assembly production line of non-disassembly steel truss floor decking, including a frame and a conveying roller group rotatably arranged on the frame, and a bottom plate supply device, a first mesh device, a concrete extrusion device, a second mesh device, a pre-embedded device, a drying and shaping device, and a fixed-length cutting device are sequentially arranged along the conveying direction of the conveying roller group, and a mesh breaking device is arranged between the second mesh device and the pre-embedded device, and the mesh breaking device includes a mesh breaking knife rotatably arranged on the frame, and the mesh breaking knife is located above the conveying roller group, and the cutting part of the mesh breaking knife rotates to cut the mesh cloth covered by the second mesh device. Through the above technical scheme, the problem of difficulty in pre-embedding embedded parts in the prefabrication and assembly process of non-disassembly steel truss floor decking in the prior art is solved.

[0004] The above patents and prior art have the following problems in actual use: in the process of cleaning the mold base plate, manual or semi-automatic cleaning is mostly used, with poor cleaning efficiency and weak effect, affecting the overall work efficiency. Summary of the invention

[0005] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a bottom formwork-free steel truss floor deck production line.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a production line for a steel bar truss floor decking plate without disassembly of a bottom mold, comprising a bottom plate cleaning machine for cleaning the bottom plate of the mold, a bottom plate spraying machine for spraying oil on the bottom plate of the mold is arranged on the right side of the bottom plate cleaning machine, a cutting mesh cloth machine is arranged on the right side of the bottom plate spraying machine, a conveyor is connected to the right side of the cutting mesh cloth machine, the conveyor is docked with a translation angle conveyor, the left side of the translation angle conveyor is connected to a mixing and batching main building, the left side of the mixing and batching main building is connected to a scraping device, and the left side of the scraping device is arranged A steel bar placing hanger, the left side of the steel bar placing hanger is connected to a lifting and vibrating device, the left side of the lifting and vibrating device is connected to a two-way conveyor, the left side of the two-way conveyor is connected to a lifting plate machine, a demoulding machine is arranged in front of the lifting plate machine on the right, a trimming brick pushing conveying and roller correction device is installed at the front end of the demoulding machine, the left and right positions of the front end of the trimming brick pushing conveying and roller correction device are equipped with trimming machines, a transition conveyor is installed at the front end of the trimming machine, the front end of the transition conveyor is a palletizer, and the front end of the palletizer is connected to a finished product conveyor for conveying finished products.

[0007] Preferably, the bottom plate cleaning machine includes a cover, a rolling brush device arranged below the cover for rolling brushing the surface of the mold bottom plate, a dust removal device connected to the cover, and an auxiliary cleaning device installed in front of the cover.

[0008] Preferably, the auxiliary cleaning device includes two sets of adjustment mechanisms that are arranged opposite to each other and placed in front of the cover, a support plate connecting the inner lower ends of the two sets of adjustment mechanisms, and a scraping mechanism arranged at the bottom of the support plate.

[0009] Preferably, the scraping mechanism includes a transmission box, a front connecting plate arranged at the front end of the top of the transmission box, a base plate installed at the lower end of the back of the transmission box, a rear connecting plate arranged at the rear end of the top of the base plate, a first motor arranged at the right end of the top of the base plate, a second motor installed on the right side of the transmission box, a slide plate arranged at the bottom of the transmission box, a transmission mechanism installed at the bottom of the slide plate and the bottom of the base plate, and a scraping disc and a spray disc arranged at the bottom of the transmission mechanism, and the front connecting plate and the rear connecting plate are fixed by connecting support plates at the top.

[0010] Preferably, a guide groove is provided at the bottom of the transmission box, and a slide plate is movably embedded in the guide groove.

[0011] Preferably, a threaded rod connected to the output shaft of the first motor is provided in the middle part of the transmission box, the outer side of the threaded rod is threadedly connected to the sliding block, the bottom of the sliding block passes through the guide groove to connect the slide plate, a bellows is provided at the front end of the transmission box, a channel connected to the bellows is opened at the front end of the slide plate, the bottom of the channel is connected to the interior of the spray plate, a nozzle is opened at the bottom of the spray plate, the lower end of the front connecting plate is connected to the bellows, and an interface is provided at the lower end of the back side of the front connecting plate.

[0012] Preferably, the transmission mechanism includes rotating wheels arranged at both ends of the bottom of the base plate, two sets of guide wheels arranged at the rear end of the bottom of the skateboard, a follower wheel arranged at the front end of the bottom of the skateboard, and a belt for connecting the rotating wheel, the guide wheel and the outer side of the follower wheel, the middle part of the follower wheel is connected to the spray disc, and the bottom of the rotating wheel is connected to the scraping disc.

[0013] Preferably, the adjustment mechanism includes a support for supporting, a third motor arranged at the upper end of the outer side of the support, a rotating member arranged on the upper inner side of the support and connected to the output shaft of the third motor, a connecting rod hinged to the other end of the rotating member, a connecting block hinged to the other end of the connecting rod, a guide plate arranged on the back of the connecting block, connecting rods hinged at both ends of the connecting block, a linkage rod hinged to the lower end of the connecting rod, and two groups of guide members movably embedded in the lower inner end of the support, guide strips are formed at the front and rear positions of the upper inner end of the support, the guide plate is movably embedded in the inner side of the two groups of guide strips, the lower end of the linkage rod is movably embedded in the guide and hinged therewith, and the lower inner end of the guide is connected to the support plate.

[0014] Preferably, the scraping device includes two sets of hand wheels, the bottom of the hand wheel is connected to the screw through a first nut, the screw is installed on the upper end of the bracket, the bottom of the screw is connected to the scraper plate, the lower end inside the bracket is connected to the side plate through a second nut, and a locking plate is provided at the bottom of the side plate.

[0015] Preferably, the demoulding machine includes a lifting device, which is installed on the upper end of the frame, the bottom of the lifting device is connected to a hook device, and a walking device for connecting the lifting device is installed on the upper end of the frame.

[0016] Beneficial effects of the present invention:

[0017] The present invention cleans the mold bottom plate by arranging a bottom plate cleaning machine in the production line, and an auxiliary cleaning device is arranged in the bottom plate cleaning machine, the auxiliary cleaning device can efficiently clean the mold bottom plate passing therebelow, and is equipped with two sets of scraping and sweeping discs that move synchronously, the scraping and sweeping discs can contact the mold bottom plate to scrape it efficiently, and a set of spray discs that can be adjusted to the left and right and rotate synchronously with the scraping and sweeping discs are installed inside the device, the spray discs can spray water or air to clean the surface of the scraping and sweeping discs during the rotation process, and can also perform auxiliary cleaning on the mold bottom plate, thereby effectively improving the cleaning efficiency and effect and reducing manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the bottom plate cleaning machine of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the scraping device of the present invention;

[0021] Figure 4 It is a schematic structural diagram of the demoulding machine of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the auxiliary cleaning device of the present invention;

[0023] Figure 6 It is a schematic diagram of the structure of the scraping mechanism of the present invention;

[0024] Figure 7 It is a schematic diagram of the side view of the scraping mechanism of the present invention;

[0025] Figure 8 It is a schematic diagram of the transmission mechanism structure of the present invention;

[0026] Fig. 9 It is a schematic diagram of the structure of the regulating mechanism of the present invention.

[0027] Among them: bottom plate cleaning machine-1, bottom plate spraying machine-2, mesh cutting machine-3, conveyor-4, translation angle conveyor-5, mixing and batching main building-6, scraping device-7, steel bar placement hanger-8, lifting and vibrating device-9, two-way conveyor-10, lifting plate machine-11, demoulding machine-12, edge trimming and pushing brick conveying and roller correction device-13, edge trimming machine-14, transition conveyor-15, stacking machine-16, finished product conveyor-17, cover-101, roller brush device-102, dust removal device-103, auxiliary cleaning device-a, hand wheel-71, first nut-72, screw-73, bracket-74, scraper plate-75, second nut-76, side plate-77, locking plate-78, lifting device-121, frame-122, hook Device-123, walking device-124, adjusting mechanism-a1, support plate-a2, scraping mechanism-a3, transmission box-a31, front connecting plate-a32, bottom plate-a33, rear connecting plate-a34, first motor-a35, second motor-a36, slide plate-a37, transmission mechanism-a38, scraping disc-a39, spray disc-a310, threaded rod-a31a, sliding block-a31b, bellows-a31c, channel-a31d, rotating wheel-a381, belt-a382, guide wheel-a383, follower wheel-a384, support-a11, third motor-a12, rotating member-a13, connecting rod-a14, guide plate-a15, connecting block-a16, connecting rod-a17, linkage rod-a18, guide member-a19. DETAILED DESCRIPTION

[0028] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0029] See also Figure 1The present invention provides a bottom formwork-free steel bar truss floor deck production line, comprising a bottom plate cleaning machine 1 for cleaning the bottom plate of the mold, a bottom plate spraying machine 2 for spraying oil on the bottom plate of the mold is arranged on the right side of the bottom plate cleaning machine 1, a mesh cloth cutting machine 3 is arranged on the right side of the bottom plate spraying machine 2, a conveyor 4 is connected to the right side of the mesh cloth cutting machine 3, the conveyor 4 is docked with a translation corner conveyor 5, a translation device is arranged in the translation corner conveyor 5, the translation corner conveyor 5 is connected to a mixing and batching main building 6 on the left side, the mixing and batching main building 6 realizes mixing and pouring, a scraping device 7 is connected to the left side of the mixing and batching main building 6, a steel bar placement hanger 8 is arranged on the left side of the scraping device 7, The left side of the steel bar placing hanger 8 is connected to the lifting and vibrating device 9, which has a lifting platform and a vibrating device. The left side of the lifting and vibrating device 9 is connected to the two-way conveyor 10, and the left side of the two-way conveyor 10 is connected to the lifting plate machine 11. A demoulding machine 12 is arranged in front of the right side of the lifting plate machine 11. A trimming and brick pushing conveying and roller correction device 13 is installed at the front end of the demoulding machine 12. The left and right positions of the front end of the trimming and brick pushing conveying and roller correction device 13 are equipped with trimming machines 14. A transition conveyor 15 is installed at the front end of the trimming machine 14. The front end of the transition conveyor 15 is a palletizer 16. The front end of the palletizer 16 is connected to a finished product conveyor 17 for conveying finished products.

[0030] See also Figure 2 The bottom plate cleaning machine 1 includes a cover 101, a roller brush device 102 is installed below the cover 101, the roller brush device 102 corresponds to the conveyed template, the top of the cover 101 is connected to a dust removal device 103, and an auxiliary cleaning device a is installed in front of the cover 101.

[0031] See also Figure 3 The scraping device 7 includes two sets of hand wheels 71. The bottom of the hand wheel 71 is connected to the screw rod 73 through a first nut 72. The screw rod 73 is installed on the upper end of the bracket 74. The bottom of the screw rod 73 is connected to the scraper plate 75. The lower end of the bracket 74 is connected to the side plate 77 through a second nut 76. A locking plate 78 is provided at the bottom of the side plate 77.

[0032] See also Figure 4 The demoulding machine 12 includes a lifting device 121, which is installed on the upper end of a frame 122. A hook device 123 is connected to the bottom of the lifting device 121. A walking device 124 for connecting the lifting device 121 is installed on the upper end of the frame 122. The bottom of the hook device 123 can be connected to steel bars.

[0033] See also Figure 5 The auxiliary cleaning device a includes two sets of height-adjustable adjustment mechanisms a1, the lower inner ends of the two sets of adjustment mechanisms a1 are connected by a support plate a2, the adjustment mechanism a1 is placed at the front end of the cover 101, and a scraping mechanism a3 for efficiently cleaning the template is installed at the bottom of the support plate a2.

[0034] See also Figure 6-Figure 8 , the scraping mechanism a3 includes a transmission box a31, a front connecting plate a32 is fixed on the top of the transmission box a31, a bottom plate a33 is installed at the lower end of the back of the transmission box a31, a rear connecting plate a34 is arranged at the rear end of the top of the bottom plate a33, the tops of the front connecting plate a32 and the rear connecting plate a34 are connected to the bottom of the support plate a2, a first motor a35 is arranged on the right side of the transmission box a31, a second motor a36 is installed at the right end of the top of the bottom plate a33, a guide groove is opened at the bottom of the transmission box a31, a slide plate a37 is movably embedded in the guide groove, a transmission mechanism a38 is installed at the bottom of the slide plate a37 and the bottom of the bottom plate a33, and scraping discs a39 are installed at both ends of the bottom of the transmission mechanism a38, and the scraping disc a39 is used to scrape and clean the template, and a spray disc a310 is installed at the middle of the front end of the bottom of the transmission mechanism a38, and the spray disc a310 can be used for spraying water and air;

[0035] A threaded rod a31a connected to the output shaft of the first motor a35 is provided in the middle of the transmission box a31, and the outer side of the threaded rod a31a is threadedly connected to the sliding block a31b, and the bottom of the sliding block a31b passes through the guide groove to connect to the slide plate a37, a bellows a31c is provided at the front end of the transmission box a31, and a channel a31d communicating with the bellows a31c is provided at the front end of the slide plate a37, and the bottom of the channel a31d is communicated with the inside of the spray plate a310, and a nozzle is provided at the bottom of the spray plate a310, and the lower end of the front connecting plate a32 is communicated with the bellows a31c, and an interface for connecting to external water supply and air supply equipment is provided at the lower end of the back of the front connecting plate a32;

[0036] The transmission mechanism a38 includes rotating wheels a381 arranged at both ends of the bottom of the base plate a33, the middle part of the right end rotating wheel a381 is connected to the output shaft of the second motor a36, guide wheels a383 are arranged on the left and right positions of the rear end of the bottom of the skateboard a37, and a follower wheel a384 is arranged on the front end of the top of the skateboard a37. The follower wheel a384, the guide wheel a383 and the outer side of the rotating wheel a381 rotate synchronously through a belt a382, the middle part of the follower wheel a384 is connected to the spray disc a310, and the bottom of the rotating wheel a381 is connected to the scraping disc a39.

[0037] See also Fig. 9The adjustment mechanism a1 includes a support a11, a third motor a12 is arranged at the outer upper end of the support a11, a rotating member a13 connected to the output shaft of the third motor a12 is arranged at the inner upper end of the support a11, the upper end of the rotating member a13 is hinged with the connecting rod a14, the lower end of the connecting rod a14 is hinged with a connecting block a16, the back of the connecting block a16 is fixed to the front end of the guide plate a15, the front and rear positions of the inner upper end of the support a11 are formed with guide strips, and the guide plate a15 is movable Embedded into the inner side of the two groups of guide bars, a connecting rod a17 is hinged at the front and rear positions in the connecting block a16, a linkage rod a18 is hinged at the other end of the connecting rod a17, the upper end of the linkage rod a18 is hinged to the support a11, a guide member a19 is movably embedded in the front and rear positions of the lower end of the support a11, a through groove is provided in the guide member a19, the linkage rod a18 is movably embedded in the through groove and is hinged to the guide member a19, and the lower end of the guide member a19 is connected to the support plate a2.

[0038] The equipment in this embodiment requires a matching conveyor to work to transport the mold base plate and the finished product, and the above scheme records: the roller brush device 102, the dust removal device 103, the lifting device 121, the hook device 123 and the walking device 124 are all existing conventional technologies and are used in combination.

[0039] The specific implementation process is as follows:

[0040] When the production line needs to be used, the mold bottom plate on the production line needs to be cleaned first, and the third motor a12 is started. During the operation of the third motor a12, the rotating member a13 is rotated, and the rotating member a13 can act on the connecting rod a14 to make the connecting block a16 move downward with the guide plate a15. During the movement of the connecting block a16, the connecting rod a17 can act on the linkage rod a18 to make the guide members a19 at both ends move downward. When the guide member a19 moves downward, it can bring the support plate a2 with it to make the scraping mechanism a3 move downward to contact the template;

[0041] Then the second motor a36 is started to work. During the working process, the second motor a36 drives the rotating wheel a381 to rotate. The rotating wheel a381 can drive the outer belt a382 to make another set of rotating wheels a381, guide wheels a383 and follower wheels a384 rotate. The scraping and sweeping disc a39 connected to the bottom of the rotating wheel a381 moves accordingly, and starts to scrape and clean the template. At the same time, the external water supply or jet equipment is connected to the front connecting plate a32, and is sprayed from the spray disc a310 through the bellows a31c to the channel a31d, so as to achieve water washing or cleaning of the scraping and sweeping disc a39.

[0042] When the left and right positions of the water spray and the air jet need to be adjusted, the first motor a35 is started to work, and the first motor a35 drives the threaded rod a31a to rotate, and the threaded rod a31a drives the sliding block a31b to make the slide plate a37 slide in the guide groove, so that the follower wheel a384 connected at the bottom moves with it, and the left and right positions are adjusted;

[0043] Then, the dust removal device 103 and the roller brush device 102 inside the bottom plate cleaning machine 1 are started to work, and the bottom plate that has passed through is cleaned again. At the same time, impurities and dust are sent into the dust removal device 103 through the cover 101 for treatment. After the cleaning is completed, the mold bottom plate is sprayed with oil by the bottom plate sprayer 2, and the limit stopper is placed manually, and then through the cutting mesh cloth machine 3, and then moved to the translation angle conveyor 5 through the conveyor 4, and then through the mixing and pouring and scraping work of the mixing and batching main building 6 and the scraping device 7, the scraping device 7 can adjust the height of the scraping plate 75 by rotating the hand wheel 71 to adjust the screw rod 73, and the poured material can be scraped and compacted, and the steel bar frame is placed by the steel bar placement hanger 8, and the lifting and vibration device 9 is started to vibrate. After the end, the limit stopper is manually taken out, and then sent to the lifting plate machine 11 by the two-way conveyor 10 and sent to the curing frame with the bottom plate for curing;

[0044] After the maintenance is completed, it is sent to the lifting plate machine 11 by a forklift, so that it enters the demoulding machine 12 and starts demoulding. By starting the walking device 124, the hook device 123 below is moved to the specified position, and then the lifting device 121 is started to descend to the specified height, and the steel mesh is hooked by the hook device 123 and raised to the specified position, and then it walks to the specified position, and then descends to the specified position. The hook opens and returns to the original position, completing a cycle action to complete the demoulding. After the demoulding is completed, it is transported by the trimming and pushing bricks and the trimming and conveying of the roller correction device 13, the trimming machine 14 and the transition conveyor 15, and finally sent to the palletizer 16 for palletizing, and then sent to the transportation station through the finished product conveyor.

[0045] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A production line for steel bar truss floor decking without dismantling bottom formwork, characterized by: It comprises a bottom plate cleaning machine for cleaning the bottom plate of the mold, a bottom plate oil sprayer for oiling the bottom plate of the mold is arranged on the right side of the bottom plate cleaning machine, a mesh cloth cutting machine is arranged on the right side of the mesh cloth cutting machine, a conveyor is connected to the right side of the mesh cloth cutting machine, the conveyor is docked with a translation angle conveyor, the translation angle conveyor is connected to a mixing and batching main building on the left side, a scraping device is connected to the left side of the mixing and batching main building, a steel bar placing hanger is arranged on the left side of the scraping device, a lifting and vibration device is connected to the left side of the steel bar placing hanger, a two-way conveyor is connected to the left side of the lifting and vibration device, a lifting and vibration device is connected to the left side of the two-way conveyor, a lifting plate machine is connected to the left side of the lifting plate machine, a demoulding machine is arranged in front of the lifting plate machine on the right, a trimming and pushing brick conveying and roller correction device is installed at the front end of the demoulding machine, a trimming and pushing brick conveying and roller correction device is equipped with a trimming machine at the left and right positions of the front end surface of the trimming and pushing brick conveying and roller correction device, a transition conveyor is installed at the front end of the trimming machine, a palletizer is arranged at the front end of the transition conveyor, and a finished product conveyor for conveying finished products is connected to the front end of the palletizer; The bottom plate cleaning machine comprises a cover, a rolling brush device arranged below the cover for rolling the surface of the mold bottom plate, a dust removal device connected to the cover, and an auxiliary cleaning device installed in front of the cover; The auxiliary cleaning device includes two sets of adjustment mechanisms arranged opposite to each other and placed in front of the cover, a support plate connecting the lower ends of the inner sides of the two sets of adjustment mechanisms, and a scraping mechanism arranged at the bottom of the support plate; The scraping mechanism includes a transmission box, a front connecting plate arranged at the front end of the top of the transmission box, a bottom plate installed at the lower end of the back of the transmission box, a rear connecting plate arranged at the rear end of the top of the bottom plate, a first motor arranged at the right end of the top of the bottom plate, a second motor installed on the right side of the transmission box, a slide plate arranged at the bottom of the transmission box, a transmission mechanism installed at the bottom of the slide plate and the bottom of the bottom plate, and a scraping disc and a spray disc arranged at the bottom of the transmission mechanism, and the tops of the front connecting plate and the rear connecting plate are connected to the support plate for fixing; The bottom of the transmission box is provided with a guide groove, in which a slide plate is movably embedded; A threaded rod connected to the output shaft of the first motor is arranged in the middle of the transmission box, the outer side of the threaded rod is threadedly connected to the sliding block, the bottom of the sliding block passes through the guide groove to connect the slide plate, a bellows is arranged at the front end of the transmission box, a channel communicating with the bellows is opened at the front end of the slide plate, the bottom of the channel is communicated with the inside of the spray plate, a nozzle is opened at the bottom of the spray plate, the lower end of the front connecting plate is communicated with the bellows, and an interface is arranged at the lower end of the back of the front connecting plate; The transmission mechanism includes rotating wheels arranged at both ends of the bottom of the base plate, two sets of guide wheels arranged at the rear end of the bottom of the slide board, a follower wheel arranged at the front end of the bottom of the slide board, and a belt for connecting the rotating wheel, the guide wheel and the outer side of the follower wheel. The middle part of the follower wheel is connected to the spray disc, and the bottom of the rotating wheel is connected to the scraping disc. The adjusting mechanism includes a support member for supporting, a third motor arranged at the upper end of the outer side of the support member, a rotating member arranged on the upper inner side of the support member and connected to the output shaft of the third motor, a connecting rod hinged to the other end of the rotating member, a connecting block hinged to the other end of the connecting rod, a guide plate arranged on the back of the connecting block, connecting rods hinged to the two ends of the connecting block, a linkage rod hinged to the lower end of the connecting rod, and two groups of guide members movably embedded in the lower inner end of the support member, guide strips are formed at the front and rear positions of the upper inner end of the support member, the guide plate is movably embedded in the inner side of the two groups of guide strips, the lower end of the linkage rod is movably embedded in the guide member and hinged therewith, and the lower inner end of the guide member is connected to the support plate.

2. According to the bottom formwork-free steel truss floor deck production line of claim 1, it is characterized by: The scraping device includes two sets of hand wheels, the bottom of the hand wheel is connected to the screw rod through a first nut, the screw rod is installed on the upper end of the bracket, the bottom of the screw rod is connected to the scraper plate, the lower end of the bracket is connected to the side plate through a second nut, and a locking plate is provided at the bottom of the side plate.

3. According to claim 2, a bottom formwork-free steel truss floor deck production line is characterized in that: The demoulding machine comprises a lifting device, which is installed at the upper end of a frame, a hook device is connected to the bottom of the lifting device, and a walking device for connecting the lifting device is installed at the upper end of the frame.

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