Film application mechanism for concrete curing, mobile film applicator and film application method

Abstract

The application belongs to the technical field of concrete film-coated curing and discloses a film-coating mechanism for concrete curing, a mobile film-coating machine and a film-coating method. The film-coating mechanism comprises a base, a winding film rotatably connected to one end of the base, a film-pulling mechanism fixed to the other end of the base, the film-pulling mechanism comprising a support fixed to the base, a driving assembly installed on the support and used for pulling out the film, and a compression roller rotatably connected to the base and used for pressing the pulled-out film against the surface of the concrete. The film-coating mechanism is used for film-coating of the concrete at the construction site. The driving assembly can automatically pull out the film, and the pulled-out film is pressed against the surface of the concrete by the compression roller. Then, the film pulled out after the film-coating work is completed is automatically cut off by the cutting mechanism, facilitating the next film-coating operation. Manual assistance for pulling out the film and cutting is not needed, the labor intensity of workers is reduced, and the film-coating efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of concrete film covering maintenance, and particularly relates to a film covering mechanism for concrete maintenance, a mobile film covering machine and a film covering method. BACKGROUND

[0002] In the concrete construction of the construction industry, the concrete film covering is mainly used for the maintenance work after the concrete pouring. After the concrete pouring, the thin film is covered to prevent the dehydration caused by the rapid evaporation of water, maintain the moisture and temperature of the concrete surface, avoid the generation of early cracks, reduce the vertical capillary channel, maintain the tensile strength of the concrete, and reduce the occurrence of later cracks. The traditional film covering method needs multiple workers to operate cooperatively. After the film is pulled flat, it is covered on the concrete surface to realize the film covering. However, this way will leave footprints on the concrete surface and may cause cracks in the initial setting concrete, so that the initial setting concrete has quality risks. Moreover, the construction efficiency is low, the number of workers is large, the labor intensity is large, the construction period is long, and the current construction requirements cannot be met. Therefore, the present application provides a film covering mechanism for concrete maintenance, a mobile film covering machine and a film covering method to solve the above problems. SUMMARY

[0003] In order to solve the above problems, the present application provides a film covering mechanism for concrete maintenance, a mobile film covering machine and a film covering method, which solve the problems of high labor intensity of workers and low construction efficiency.

[0004] The present application is realized by the following scheme: a film covering mechanism for concrete maintenance, comprising:

[0005] a base;

[0006] a winding film rotatably connected to one end of the base;

[0007] a film pulling mechanism fixed to the other end of the base; the film pulling mechanism comprises a support fixed on the base, a driving assembly installed on the support and used for pulling out the film, and a compression roller rotatably connected to the base and used for pressing the pulled-out film against the concrete surface; the driving assembly comprises a driving motor fixed on the support, a driving roller connected and fixed to the output shaft of the driving motor, and a driven roller rotatably connected to the support; the driven roller and the driving roller form a clamping space for the film to pass through and clamp the film; the driving assembly further comprises an adjusting assembly for adjusting the size of the clamping space; and

[0008] a cutting mechanism fixed to the upper end of the base and located above the film pulling mechanism; the cutting mechanism comprises a cutting piece for cutting the pulled-out film, and a lifting device fixedly connected with the cutting piece and used for driving the cutting piece to adjust the lifting.

[0009] The film covering mechanism for concrete curing is further improved in that the film covering mechanism further comprises a leveling mechanism fixedly connected to the base and used for leveling the concrete surface, and the leveling mechanism comprises a vibrating plate fixedly connected to the base and a vibrating motor installed on the top of the vibrating plate.

[0010] The film covering mechanism for concrete curing is further improved in that the support comprises two support plates fixedly connected to the base and oppositely arranged, the adjusting assembly comprises two cavities respectively formed in the two support plates, two guide blocks respectively arranged in the two cavities, and two sliding openings respectively formed in the inner sides of the two support plates and in communication with the corresponding cavities, and the two ends of the driven roller respectively pass through the two sliding openings and are rotatably connected to the corresponding guide blocks.

[0011] The film covering mechanism for concrete curing is further improved in that the lifting assembly comprises two screw holes respectively formed in the top of the two support plates and in communication with the corresponding cavities, and two screw rods respectively screw-connected with the two screw holes, one end of each of the two screw rods passes through the corresponding screw hole and extends into the corresponding cavity to be movably connected with the corresponding guide block, and the other end of each of the two screw rods extends out of the corresponding cavity to form an operation end, and a resilient member is connected between the top of the cavity and the top of the corresponding guide block.

[0012] The film covering mechanism for concrete curing is further improved in that the film covering mechanism further comprises a guide roller arranged between the driving assembly and the winding film, and the guide roller is rotatably connected to the base.

[0013] The film covering mechanism for concrete curing is further improved in that the cutting mechanism further comprises a driving module used for driving the lifting device to move transversely to realize the cutting of the pulled-out film by the cutting member, and the driving module comprises a fixed part fixedly connected to the base and a moving part used for driving the lifting device to move.

[0014] The film covering mechanism for concrete curing is further improved in that the lifting device comprises a mounting frame fixedly connected to the moving part, a motor fixed to the top of the mounting frame, a lead screw fixed to the output shaft of the motor, and a connecting plate screw-transmitted on the outside of the lead screw to realize lifting, and the connecting plate is fixedly connected with the cutting member.

[0015] The lifting device further comprises a limiting member used for limiting the stable lifting of the connecting plate, and the limiting member comprises a limiting rod and a limiting hole formed in the mounting frame, one end of the limiting rod is fixedly connected with the connecting plate, and the other end of the limiting rod passes through and extends out of the limiting hole.

[0016] The further improvement of the film covering mechanism for concrete curing lies in that a protective cover is fixedly connected to the base and covers the pressing roller, the support and the driving assembly, a cutting area is reserved between the pressing roller and the driving assembly, a cutting opening is arranged on the top of the protective cover and above the cutting area and below the cutting piece, and the cutting piece comprises a mounting plate fixedly connected to the bottom of the connecting plate and a cutting blade fixed to the lower end of the mounting plate.

[0017] A mobile film covering machine for concrete curing comprises:

[0018] A mobile device;

[0019] A connecting frame fixedly connected to the mobile device; and

[0020] The connecting frame is fixedly connected to the base.

[0021] A film covering method for concrete curing comprises the following steps:

[0022] Providing the film covering mechanism as described above;

[0023] After the adjusting assembly is used to enlarge the clamping space, the coiled film is unwound and passes through the clamping space and is attached to the bottom of the pressing roller, and then the adjusting assembly is used to reduce the clamping space so that the driving roller and the driven roller are pressed tightly and the passing film is clamped;

[0024] The film covering mechanism is placed above the concrete to be covered with film, and the pressing roller is attached to the surface of the concrete;

[0025] The film covering mechanism is moved towards the concrete to be covered with film, and the driving motor is started to drive the driving roller to rotate through the output shaft, the rotating driving roller drives the driven roller to rotate, the film is continuously pulled out, and the pulled-out film is pressed and attached to the surface of the concrete through the pressing roller;

[0026] After the concrete is covered with film, the film covering mechanism is stopped and the driving motor is turned off, and then the lifting device is started to drive the cutting piece to descend and cut off the pulled-out film.

[0027] Compared with the prior art, the film covering mechanism has the following advantages:

[0028] The film covering mechanism is used for covering the film on the concrete at the construction site, the film can be automatically pulled out through the driving assembly, the pulled-out film is pressed and attached to the surface of the concrete through the pressing roller, and the pulled-out film after the film covering work is automatically cut off through the cutting mechanism, so that the next film covering operation is facilitated; manual assistance for pulling the film and cutting is not needed, manpower is saved, the labor intensity of workers is reduced, and the film covering efficiency is greatly improved. Attached Figure Description

[0029] Figure 1 A schematic diagram of the overall structure of the present invention is shown.

[0030] Figure 2 A schematic diagram showing the location of the driving component of the present invention is provided.

[0031] Figure 3 A schematic diagram of the driving component structure of the present invention is shown.

[0032] Figure 4 A schematic diagram of the regulating component structure of the present invention is shown.

[0033] Figure 5 A schematic diagram of the cutting mechanism of the present invention is shown.

[0034] In the diagram: 1. Base; 2. Winding film; 201. Mounting base; 3. Pressure roller; 4. Cutting mechanism; 401. Mounting frame; 402. Motor; 403. Lead screw; 404. Connecting plate; 405. Mounting plate; 406. Cutting blade; 407. Limiting rod; 5. Drive module; 6. Protective cover; 601. Cutting notch; 7. Vibrating plate; 701. Overlap plate; 8. Vibrating motor; 9. Connecting frame; 10. Drive assembly ; 1001, Drive roller; 10011, Bolt; 10012, Insert; 1002, Driven roller; 1003, Support plate; 1004, Drive motor; 10041, Output shaft; 1005, Adjustment assembly; 10051, Screw; 10052, Guide block; 10053, Spring; 10054, Screw hole; 1006, Rib plate; 1007, Cavity; 1008, Slide opening; 11, Guide roller. Detailed Implementation

[0035] To address the problems of high labor intensity and low construction efficiency, this invention provides a film-coating mechanism, a mobile film-coating machine, and a film-coating method for concrete curing. The following detailed description, in conjunction with specific embodiments and accompanying drawings, further illustrates this film-coating mechanism, mobile film-coating machine, and film-coating method for concrete curing.

[0036] See Figures 1-5 As shown, a membrane covering mechanism for concrete curing includes:

[0037] Base 1;

[0038] The winding film 2 is rotatably connected to one end of the base 1. In this embodiment, both ends of the winding film 2 are movably connected to the mounting base 1 and fixed to the base 1, so that the winding film 2 can rotate stably. The mounting base 201 is fixed to the base 1 by the first screw, which facilitates disassembly and replacement of the winding film 2.

[0039] A film pulling mechanism is fixed to the other end of the base 1; the film pulling mechanism comprises a support fixed to the base 1, a driving assembly 10 installed on the support and used for pulling out the film, and a pressing roller 3 rotatably connected to the base 1 and used for pressing the pulled-out film against the concrete surface; the driving assembly 10 comprises a driving motor 1004 fixed to the support, a driving roller 1001 connected to the output shaft 10041 of the driving motor 1004, and a driven roller 1002 rotatably connected to the support; in this embodiment, the driving roller 1001 is provided with a socket 10012 for inserting the output shaft 10041, and the driving roller 1001 and the output shaft 10041 are both provided with corresponding bolt holes, and the bolt 10011 is inserted into the bolt holes of the driving roller 1001 and the bolt holes of the output shaft 10041 in sequence to realize the fixed connection of the output shaft 10041 and the driving roller 1001; the driven roller 1002 and the driving roller 1001 form a clamping space for the film to pass through and clamp the film; the driving assembly 10 further comprises an adjusting assembly 1005 for adjusting the size of the clamping space; and

[0040] A cutting mechanism 4 is fixed to the upper end of the base 1 and located above the film pulling mechanism; the cutting mechanism 4 comprises a cutting piece for cutting the pulled-out film, and a lifting device fixedly connected with the cutting piece and used for driving the cutting piece to ascend and descend.

[0041] Through the film covering mechanism, the film covering of the concrete at the construction site is realized without manual assistance for pulling and cutting the film, thereby saving manpower, reducing the labor intensity of workers, and greatly improving the film covering efficiency.

[0042] As shown in Figure 1 The film covering mechanism further comprises a leveling mechanism fixedly connected to the base 1 and used for leveling the concrete surface; the leveling mechanism comprises a vibrating plate 7 fixedly connected with the base 1 and a vibrating motor 8 installed on the top of the vibrating plate 7; in this embodiment, the top of the vibrating plate 7 is fixedly connected with two lap plates 701 located on both sides of the vibrating motor 8, and the vibrating plate 7 is fixedly connected with the base 1 through the two lap plates 701.

[0043] When the film covering mechanism is moving for film covering, the vibrating plate 7 can be used to scrape the concrete surface, and the vibrating motor 8 can be used to drive the vibrating plate 7 to vibrate, so that the concrete is leveled, thereby ensuring better effect of subsequent film covering and improving the quality of the concrete film covering.

[0044] As shown in Figures 3-4As shown, the support frame comprises two support plates 1003 connected and fixed with the base 1 and arranged oppositely; in the embodiment, the top of the two support plates 1003 is fixedly connected with a web plate 1006 through a second screw, for connecting the two support plates 1003 into a whole; the adjusting assembly 1005 comprises two cavities 1007 respectively formed in the two support plates 1003, two guide blocks 10052 respectively arranged in the two cavities 1007, and two sliding openings 1008 respectively formed in the inner side of the two support plates 1003 and communicating with the corresponding cavities 1007, the two ends of the driven roller 1002 respectively pass through the two sliding openings 1008 and are rotatably connected to the corresponding guide blocks 10052; the adjusting assembly 1005 further comprises a lifting assembly for adjusting the lifting of the driven roller 1002.

[0045] The lifting assembly comprises two screw holes 10054 respectively penetrating through the two support plates 1003 and communicating with the corresponding cavities 1007, and two screw rods 10051 respectively screw-connected with the two screw holes 10054; one end of each of the two screw rods 10051 penetrates through the corresponding screw hole 10054 and extends into the corresponding cavity 1007 to movably connect with the corresponding guide block 10052, and the other end extends out of the corresponding cavity 1007 to form an operating end; a resilient member is connected between the top of the cavity 1007 and the top of the corresponding guide block 10052, and in the embodiment, the resilient member is a spring 10053.

[0046] By simultaneously twisting the operating ends at both ends, the screw rod 10051 can be lifted by the thread, and since the screw rod 10051 is movably connected with the guide block 10052, the screw rod 10051 can drive the guide block 10052 to slide and lift along the inside of the cavity 1007 when lifting, thereby pulling the two ends of the driven roller 1002 to lift and adjust along the sliding openings 1008 on the two support plates 1003, so that the driven roller 1002 is lifted and adjusted, and the distance between the driven roller 1002 and the driving roller 1001 is adjusted, so that the clamping space can be adjusted to adjust the appropriate pressing force; through the arrangement of the spring 10053, the guide block 10052 can be always pressed, so as to act on the screw rod 10051, so that it is not easy to rotate, so as to ensure the stability of the screw rod 10051 in use.

[0047] Wherein, referring to Figure 2 As shown, the film covering mechanism further comprises a guide roller 11 arranged between the driving assembly 10 and the winding film 2, and the guide roller 11 is rotatably connected to the base 1; in the embodiment, the number of the guide roller 11 is two, and the two guide rollers 11 are arranged horizontally.

[0048] By arranging the two guide rollers 11 between the driving assembly 10 and the winding film 2, tension can be provided for the pulled-out film, so that the pulled-out film can be better guided to the area of the driving assembly 10.

[0049] As shown in Figure 2 , Figure 5 , the cutting mechanism 4 further comprises a driving module 5 for driving the lifting device to move laterally to realize cutting of the pulled-out film by the cutting member; the driving module 5 comprises a fixed part fixedly connected to the base 1 and a moving part for driving the lifting device to move, in the embodiment, the driving module 5 is a belt module, and the moving part is a moving slider.

[0050] The cutting member can be driven to lift by the lifting device to cut the pulled-out film, and the moving slider can be driven to move laterally by the belt module to drive the lifting device fixed to the moving slider to move laterally, so as to drive the cutting member to cut laterally, and the pulled-out film can be cut off, which realizes automatic operation and improves the efficiency without manual operation.

[0051] As shown in Figure 5 , the lifting device comprises a mounting bracket 401 fixedly connected to the moving part, a motor 402 fixed to the top of the mounting bracket 401, a lead screw 403 fixed to the output shaft of the motor 402, and a connecting plate 404 screw-transmittedly sleeved outside the lead screw 403 to lift; the connecting plate 404 is fixedly connected to the cutting member;

[0052] The lifting device further comprises a limiting part for limiting the stable lifting of the connecting plate 404, the limiting part comprises a limiting hole opened in the mounting bracket 401 and a limiting rod 407; one end of the limiting rod 407 is fixedly connected to the connecting plate 404, and the other end extends out of the limiting hole.

[0053] The lead screw 403 is driven to rotate forward and backward by starting the motor 402, and the connecting plate 404 is driven to lift and adjust due to the screw transmission between the connecting plate 404 and the lead screw 403 and the limiting cooperation between the limiting rod 407 and the limiting hole, so as to adjust the height position of the cutting member and facilitate the cutting work.

[0054] As shown in Figure 2 , the base 1 is fixedly connected with a protective cover 6 for covering the compression roller 3, the support and the driving assembly 10, a cutting area is reserved between the compression roller 3 and the driving assembly 10, the top of the protective cover 6 is provided with a cutting port 601 located directly above the cutting area and directly below the cutting member, and the cutting member comprises a mounting plate 405 fixedly connected to the bottom of the connecting plate 404 and a cutting blade 406 fixed to the lower end of the mounting plate 405.

[0055] The protective cover 6 can well protect the compression roller 3, the driving assembly 10 and the like, the cutting area, the cutting opening 601 and the cutting piece are in the same vertical direction, when the lifting device drives the cutting piece to move downward, the mounting plate 405 can be inserted into the cutting opening 601, and the cutting blade 406 can cut the film located in the cutting area, then the lifting device is driven to move horizontally through the belt module, so that the mounting plate 405 moves horizontally along the cutting opening 601, the cutting blade 406 can be driven to move horizontally and cut the film located in the cutting area, and the film can be automatically cut and pulled out.

[0056] A mobile film covering machine for concrete curing, comprising:

[0057] A mobile device; the mobile device can be a travelling crane;

[0058] A connecting frame 9 fixedly connected to the mobile device; and

[0059] The connecting frame 9 and the base 1 are fixedly connected, as described above.

[0060] The film covering machine is driven by the travelling crane to move, so that the regional concrete construction is completed, the labor intensity is greatly reduced, the manpower is saved, and the operation efficiency is improved.

[0061] A film covering method for concrete curing, comprising the following steps:

[0062] Providing the mobile film covering machine as described above;

[0063] First, the operation ends at both ends are twisted at the same time, the screw rods 10051 at both ends are controlled to drive the guide blocks 10052 at both ends to slide and rise inside the cavity 1007 respectively, so that the driven roller 1002 is pulled to move upward, and the distance between the driven roller 1002 and the driving roller 1001 is increased; then the wound film 2 is pulled to unwind, passes through the clamping space formed between the driven roller 1002 and the driving roller 1001, and is attached to the bottom of the compression roller 3; then the operation ends at both ends are twisted at the same time to reverse, so that the clamping space is reduced, the driving roller 1001 and the driven roller 1002 are pressed tightly, and the passing film is clamped;

[0064] The pulled film is fixed above the concrete to be covered with the film, and the compression roller 3 is attached to the surface of the concrete;

[0065] The mobile film covering machine is controlled to move towards the concrete to be covered with the film, and the driving motor 1004 is started to drive the driving roller 1001 to rotate through the output shaft 10041, the driving roller 1001 is driven to rotate by the driving roller 1001, the film is continuously pulled out, and the pulled film is rolled along the surface of the concrete by the compression roller 3, so that the pulled film is pressed and attached to the surface of the concrete;

[0066] After the film is cut, the film is cut by the cutting blade 406, and the cutting blade 406 is moved transversely by the belt module, and the film is cut by the cutting blade 406.

[0067] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0068] The above detailed description of the application has been presented in connection with the accompanying drawings. Those skilled in the art can make various changes to the application according to the above description. Therefore, some details in the embodiments should not be regarded as limiting the application, and the scope of the application will be defined by the appended claims.

Claims

1. A film-coating mechanism for concrete curing, characterized in that, include: Base; A wound film is rotatably connected to one end of the base; A membrane stretching mechanism is fixed to the other end of the base; The membrane stretching mechanism includes a bracket fixed to the base, a drive assembly mounted on the bracket for stretching the membrane, and a pressure roller rotatably connected to the base for pressing the stretched membrane onto the concrete surface. The drive assembly includes a drive motor fixed to the bracket, a drive roller connected to and fixed to the output shaft of the drive motor, and a driven roller rotatably connected to the bracket. A clamping space is formed between the driven roller and the drive roller for the membrane to pass through and for holding the membrane. The drive assembly also includes an adjustment assembly for adjusting the size of the clamping space. A cutting mechanism is fixed to the upper end of the base and located above the film pulling mechanism; the cutting mechanism includes a cutting component for cutting the pulled film and a lifting device fixedly connected to the cutting component for adjusting the lifting of the cutting component. The bracket includes two support plates that are fixedly connected to the base and arranged opposite to each other; the adjustment assembly includes two cavities respectively opened inside the two support plates, guide blocks respectively disposed inside the two cavities, and two sliding openings respectively opened on the inner side of the two support plates and communicating with the corresponding cavities; the two ends of the driven roller pass through the two sliding openings and are rotatably connected to the corresponding guide blocks; the adjustment assembly also includes a lifting assembly for adjusting the lifting of the driven roller; The lifting assembly includes two screw holes respectively opened on the top of the two support plates and communicating with the corresponding cavities, and two screws respectively screwed into the two screw holes; one end of each of the two screws passes through the corresponding screw hole and extends into the corresponding cavity to be movably connected to the corresponding guide block, and the other end of each screw extends out of the corresponding cavity to form an operating end; an elastic element is connected between the top of the cavity and the top of the corresponding guide block.

2. The membrane covering mechanism for concrete curing as described in claim 1, characterized in that, The film covering mechanism also includes a leveling mechanism fixedly connected to the base and used to level the concrete surface. The leveling mechanism includes a vibrating plate fixedly connected to the base and a vibrating motor installed on the top of the vibrating plate.

3. The membrane covering mechanism for concrete curing as described in claim 1, characterized in that, The coating mechanism further includes a guide roller disposed between the drive assembly and the winding film, the guide roller being rotatably connected to the base.

4. The membrane covering mechanism for concrete curing as described in claim 1, characterized in that, The cutting mechanism further includes a drive module for driving the lifting device to move laterally so as to cut the pulled-out film by the cutting component; the drive module includes a fixed part fixedly connected to the base and a moving part for driving the lifting device to move.

5. The membrane covering mechanism for concrete curing as described in claim 4, characterized in that, The lifting device includes a mounting frame fixed to the moving part, a motor fixed to the top of the mounting frame, a lead screw fixed to the output shaft of the motor, and a connecting plate screwed around the lead screw for lifting; the connecting plate is fixed to the cutting part. The lifting device further includes a limiting member for limiting the stable lifting of the connecting plate. The limiting member includes a limiting rod and a limiting hole opened on the mounting frame. One end of the limiting rod is fixedly connected to the connecting plate, and the other end passes through and extends out of the limiting hole.

6. The membrane covering mechanism for concrete curing as described in claim 5, characterized in that, A protective cover for covering the pressure roller, bracket and drive assembly is fixedly connected to the base. A cutting area is reserved between the pressure roller and the drive assembly. The top of the protective cover has a cutting opening located directly above the cutting area and directly below the cutting component. The cutting component includes a mounting plate fixedly connected to the bottom of the connecting plate and a cutting blade fixed to the lower end of the mounting plate.

7. A mobile film covering machine for concrete curing, characterized in that, include: mobile device; The connecting frame is fixedly connected to the mobile device; as well as A film covering mechanism for concrete curing as described in any one of claims 1-6, wherein the connecting frame is connected and fixed to the base.

8. A method for covering concrete for curing, characterized in that, Includes the following steps: Provide a coating mechanism as described in claim 1; After increasing the clamping space using the adjustment component, pull the winding film to unwind it, and let it pass through the clamping space and adhere to the bottom of the pressure roller; then use the adjustment component to decrease the clamping space so that the driving roller and the driven roller press together and clamp the film that has passed through. Place the film-coating mechanism above the concrete to be coated, and ensure that the rollers are in contact with the concrete surface; The film covering mechanism is moved toward the concrete to be covered and the drive motor is started to drive the active roller to rotate through the output shaft. The rotating active roller drives the driven roller to rotate, continuously pulling out the film. The film is then pressed onto the concrete surface by the pressure roller rolling along the concrete surface. After the concrete covering is completed, stop moving the covering mechanism and turn off the drive motor. Then start the lifting device to lower the cutting piece and cut the pulled-out membrane.

Images