CN114658194B - Putty scraping robot - Google Patents
Putty scraping robot Download PDFInfo
- Publication number
- CN114658194B CN114658194B CN202210382033.1A CN202210382033A CN114658194B CN 114658194 B CN114658194 B CN 114658194B CN 202210382033 A CN202210382033 A CN 202210382033A CN 114658194 B CN114658194 B CN 114658194B
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- block
- scraping
- driving
- groove
- feeding
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/16—Implements for after-treatment of plaster or the like before it has hardened or dried, e.g. smoothing-tools, profile trowels
- E04F21/161—Trowels
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention provides a puttying robot, comprising: the scraping and plastering mechanism is used for scraping and plastering the wall surface; the automatic feeding mechanism is connected with the scraping mechanism and is used for driving the scraping mechanism to be close to or far away from the wall surface; the supporting mechanism is used for supporting the automatic feeding mechanism and driving the scraping mechanism and the automatic feeding mechanism to ascend and descend; wherein, scrape the adaptation of wiping mechanism and wall width. According to the invention, the plastering mechanism is used for plastering the putty on the whole wall once, the automatic feeding mechanism is used for adjusting the distance between the plastering mechanism and the wall surface to realize repeated plastering, and each plastering area is large.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a putty scraping robot.
Background
With the progress of science and technology, robots gradually replace manual work. As in patent CN201910731697.2, a putty-scraping robot is disclosed, and the putty-scraping efficiency is greatly increased by using the robot to scrape putty.
However, after the putty scraping of the prior putty scraping robot is finished, later inspectors check to find that the putty on the surface of the wall body has a blocking and falling phenomenon, especially for a bottom-layer house, which is more obvious. Research is conducted on the phenomenon that putty on the surface of a wall body falls off, and the putty scraping robot can improve efficiency, however, due to the fact that the efficiency is high, a large amount of putty is scraped on the wall surface in a unit area in a short time, so that the inside adhesion performance of the putty is poor, especially the bottom-layer residence is moist, and the putty with poor adhesion performance is easy to shell, block or fall off in a piece. In addition, when the existing putty scraping robot scrapes greases, the wall surface is scraped according to the sequence in different areas, so that uneven conditions exist at the putty junction between different scraping areas (namely, when the adjacent areas are scraped greases, putty overflows to the adjacent areas on two sides of the scraper), and the workload of polishing the wall surface subsequently is increased.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the putty scraping robot which is used for scraping putty on the whole wall and thickening the putty in a mode of scraping the putty for multiple times before and after, so that the bonding strength between the putty is increased, the construction quality is improved, the follow-up polishing and grinding time is reduced, the workload is reduced, the delivery time is reduced, and the efficiency is improved.
The invention provides a puttying robot, comprising:
the scraping and plastering mechanism is used for scraping and plastering the wall surface;
the automatic feeding mechanism is connected with the scraping mechanism and is used for driving the scraping mechanism to be close to or far away from the wall surface;
the supporting mechanism is used for supporting the automatic feeding mechanism and driving the scraping mechanism and the automatic feeding mechanism to ascend and descend;
wherein, scrape the adaptation of wiping mechanism and wall width.
Compared with the prior art, the invention has the following beneficial effects:
in the technology of the invention, the scraping mechanism is used for scraping the putty on the whole wall once, the automatic feeding mechanism is used for adjusting the distance between the scraping mechanism and the wall surface to realize repeated scraping, and each scraping area is large.
Preferably, the support mechanism comprises a base and two sets of support members arranged parallel to each other:
the support member is provided with:
the driving shaft is vertically arranged and rotatably installed on the base;
the rotating shaft of the driving motor is coaxially connected with the driving shaft and is arranged on the base;
the driving block is sleeved on the driving shaft through the opening and is in threaded connection with the driving shaft;
the top seat is rotationally connected with one end of the driving shaft far away from the driving motor;
wherein, the automatic feeding mechanism is connected with the driving block; the top seat is used for propping against the ceiling.
Preferably, the automatic feeding mechanism is provided with two corresponding support members; the automatic feeding mechanism comprises:
the positioning block is sleeved on the driving shaft in a sliding way through the opening;
the two ends of the local displacement control structure are respectively connected with the driving block and the positioning block, so that the distance between the driving block and the positioning block is variable while the driving block and the positioning block are kept connected;
the feeding block is connected with the driving block in a sliding way, and the other end of the feeding block is connected with the scraping mechanism;
the positioning blocks in the two automatic feeding mechanisms are connected through a connecting rod; the positioning block is provided with a cooperative structure, and the feeding block is provided with a feeding member matched with the cooperative structure; when the feeding block is close to the positioning block, the positioning block drives the feeding member to move through the cooperative structure so as to enable the feeding block to slide.
Preferably, the local displacement control structure comprises:
the control rod is provided with a plurality of control rods; one end is connected with the upper end of the positioning block, and the other end is connected with a limiting block;
wherein, a plurality of limit holes are arranged on the lower end surface of the driving block, and the orifice of each limit hole is provided with an inward-contracted baffle ring; the control rod passes through the corresponding baffle ring, and the limiting block is positioned in the limiting hole and abuts against the baffle ring.
Preferably, the feed member comprises a feed bar connected to the lower end of the feed block; the end part of the feeding bent rod is provided with a guide rod which can elastically stretch and retract;
the cooperative structure comprises a plurality of groups of displacement grooves and a guide groove which are arranged on the inner side of the positioning block and are sequentially communicated end to end; the end part of the guide rod is positioned in the displacement groove or the guide groove;
the displacement groove comprises a vertical groove which is vertically arranged and an inclined groove which is communicated with the top end of the vertical groove and is obliquely arranged; the junction of the vertical groove and the inclined groove is provided with a non-return step for preventing rollback; the other end of the inclined groove far away from the vertical groove is communicated with the bottom end of the vertical groove of the other group of displacement grooves, and a non-return step is arranged at the junction of the inclined groove and the vertical groove;
the two ends of the guide groove are respectively communicated with the inclined grooves and the vertical grooves at the two ends of the outer sides of the plurality of groups of displacement grooves, and a non-return step is arranged at the junction of the guide groove and the vertical groove.
Preferably, one end of the feeding bent rod, which is far away from the feeding block, is provided with a placement hole, and a placement spring is arranged in the placement hole; one end of the guide rod passes through the opening of the mounting hole to prop against the mounting spring, and the other end of the guide rod props against the displacement groove or the guide groove.
Preferably, the feeding block is provided with a through abdication hole; the driving block is positioned in the yielding hole; a horizontal sliding strip is arranged on the inner wall of the abdication hole; a sliding groove which is in sliding fit with the corresponding sliding strip is arranged on the outer wall of the driving block;
a strip-shaped hole is formed in one surface of the feeding block, which faces the scraping mechanism;
the automatic feed mechanism further includes:
the first speed change gear is rotatably arranged in the strip-shaped hole;
the second speed change gear is fixedly connected to the first speed change gear in a coaxial line;
the third steering gear is rotatably arranged in the strip-shaped hole and meshed with the second speed change gear;
wherein, one surface of the driving block facing the first speed change gear is provided with a rack, and the first speed change gear is meshed with the rack on the driving block; the end part of the scraping mechanism is connected in the strip-shaped hole in a sliding way; the end part of the scraping mechanism is provided with a rack; the rack of the scraping mechanism is meshed with the third steering gear.
Preferably, the scraping mechanism comprises:
the scraping support plate is provided with a strip-shaped hole, two ends of the scraping support plate are respectively and slidably arranged in the strip-shaped hole, and racks at two ends of the scraping support plate are respectively meshed with the third steering gear;
the scraping box body is connected with the scraping support plate and provided with a strip-shaped outlet;
wherein the strip-shaped outlet of the scraping box body is outwards extended with a scraping plate.
Preferably, the top base includes:
a top plate;
one end of the sleeve is closed, sleeved at the end part of the driving shaft and connected with the driving shaft through a bearing;
the opposite pull shafts are provided with two opposite pull shafts, and two ends of the opposite pull shafts are respectively hinged with two support shafts;
among the four support shafts hinged with the ends of each pair of pull shafts, the ends of two support shafts are hinged with the top plate, and the other two support shafts are hinged with the closed end of the sleeve; the middle parts of the two opposite-pull shafts are respectively provided with opposite-pull threaded holes; a pair of pull rods is connected in the two pair of pull threaded holes in a threaded manner; the threads in the two opposite-pulling threaded holes are opposite in rotation direction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a putty-scraping robot according to an embodiment of this invention;
FIG. 2 is a top view of a putty-casting robot of FIG. 1;
FIG. 3 is a schematic view of a wiping tank of the puttying robot of FIG. 1;
FIG. 4 is an enlarged schematic view of a portion A of a puttying robot of FIG. 1;
FIG. 5 is a schematic view of a partial displacement control structure of the puttying robot of FIG. 4;
FIG. 6 is an enlarged schematic view of a first ratio gear of the puttying robot of FIG. 4;
FIG. 7 is a schematic view of the cooperative structure of a puttying robot of FIG. 1 mated with a feed member;
FIG. 8 is a schematic view of the top base of the puttying robot of FIG. 1;
fig. 9 is a left side view of a top seat of the puttying robot of fig. 8.
Reference numerals:
1. a scraping mechanism; 11. scraping a support plate; 12. scraping the box body; 13. a strip-shaped outlet; 14. a scraper;
2. an automatic feeding mechanism; 21. a positioning block; 22. a local displacement control structure; 221. a control lever; 222. a limiting block; 23. a feed block; 231. a relief hole; 232. a sliding bar; 233. a bar-shaped hole; 24. a synergistic structure; 241. a displacement groove; 241a, vertical slots; 241b, oblique grooves; 241c, a check step; 242. a guide groove; 25. a feeding member; 251. a feed bent rod; 252. a guide rod; 253. a mounting hole; 254. a spring is arranged; 26. a first speed change gear; 27. a second speed change gear; 28. a third steering gear;
3. a support mechanism; 31. a base; 32. a support member; 321. a drive shaft; 322. a driving motor; 323. a driving block; 324. a top base; 324a, a top plate; 324b, a sleeve; 324c, a split shaft; 324d, a support shaft; 324e, a tie rod; 325. a limiting hole; 326. a baffle ring; 327. a chute;
4. and (5) connecting a rod.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, the meaning of "plurality" is two or more unless specifically defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 1 to 9, a putty-scaling robot includes: the scraping mechanism 1 is used for scraping the wall surface; the automatic feeding mechanism 2 is connected with the scraping mechanism 1 and is used for driving the scraping mechanism 1 to be close to or far away from the wall surface; a supporting mechanism 3 for supporting the automatic feeding mechanism 2 and driving the wiper mechanism 1 and the automatic feeding mechanism 2 to rise and fall; wherein, scrape the width adaptation of wiping mechanism 1 and wall.
The scraping mechanism 1 of the device is adaptive to the width of the wall surface, one wall is scraped at a time, and the thickness of the single scraping putty is small; scraping the wall surface from bottom to top, wherein when the scraping mechanism 1 moves to the upper part of the wall surface, putty below the wall surface tends to be in a dry state; after the wall surface is dried, the wall surface is scraped for the second time, scraped for the third time or even scraped for a plurality of times; the method ensures that the putty is scraped less in quantity and more in scraping times each time, each layer of putty is tightly adhered, the internal moisture is volatilized, the strength is greatly improved, the probability of falling off of the subsequent wall putty is greatly reduced, and the construction quality is improved. Because the whole wall is scraped, the flatness of the whole putty surface is high, even the subsequent polishing and grinding can be omitted, the efficiency is greatly improved, and the construction period is shortened.
Further, the support mechanism 3 includes a base 31 and two sets of support members 32 arranged parallel to each other: the support member 32 includes:
a driving shaft 321 vertically arranged and rotatably installed on the base 31;
a driving motor 322 having a rotation shaft coaxially connected to the driving shaft 321 and mounted on the base 31;
the driving block 323 is sleeved on the driving shaft 321 through an opening and is in threaded connection with the driving shaft 321;
a top seat 324 rotatably connected with one end of the driving shaft 321 far away from the driving motor 322;
wherein the automatic feeding mechanism 2 is connected with the driving block 323; the top base 324 is used to press against the ceiling.
The base 31 is erected beside the wall surface, and the top seat 324 is used for upwards supporting the ceiling to fix the device. The driving motor 322 rotates to drive the driving shaft 321 to rotate, and the driving block 323 in threaded connection with the driving shaft 321 moves up and down in the vertical direction, so as to drive the automatic feeding mechanism 2 to move up and down, and the scraping mechanism 1 connected to the automatic feeding mechanism 2 moves up and down to complete scraping of putty. The base 31 is mounted on a movable cart or crawler. The top seat 324 may adjust the length in the vertical direction.
Further, the automatic feeding mechanism 2 is provided with two corresponding support members 32; the automatic feeding mechanism 2 includes:
the positioning block 21 is sleeved on the driving shaft 321 in a sliding way through an opening;
the local displacement control structure 22, two ends are connected with the driving block 323 and the positioning block 21 respectively, so that the distance between the driving block 323 and the positioning block 21 is variable while the connection is kept;
a feeding block 23 slidably connected to the driving block 323, and having the other end connected to the scraping mechanism 1;
wherein, the positioning blocks 21 in the two automatic feeding mechanisms 2 are connected through the connecting rod 4; the positioning block 21 is provided with a cooperative structure 24, and the feeding block 23 is provided with a feeding member 25 matched with the cooperative structure 24; when the feeding block 23 approaches the positioning block 21, the positioning block 21 drives the feeding member 25 to move through the cooperative structure 24 so as to slide the feeding block 23.
By connecting the two positioning blocks 21 together with the connecting rod 4, the two positioning blocks 21 can only slide up and down along the driving shaft 321; the local displacement control structure 22 prevents the positioning block 21 and the driving block 323 from being separated from each other, and the distance between the positioning block 21 and the driving block 323 is changed. The driving block 323 is connected by the automatic feeding mechanism 2, and the two automatic feeding mechanisms 2 are connected by the scraping mechanism 1, so that the driving block 323 can not rotate either and can only be driven by the driving shaft 321 to move up and down. When the driving shaft 321 makes the driving block 323 move downwards, and the positioning block 21 is propped against the base 31 before the driving block 323, the positioning block 21 cannot move downwards, the driving block 323 is close to the positioning block 21, and the feeding block 23 is driven to be close to the positioning block 21; the feeding member 25 moves on the cooperative structure 24 and moves in the horizontal direction, so that the feeding block 23 moves to drive the scraping mechanism 1 to move, and the scraping mechanism 1 is far away from the wall surface, so that putty can be scraped next time.
Further, the local displacement control structure 22 includes:
a control lever 221 provided with a plurality of levers; one end is connected with the upper end of the positioning block 21, and the other end is connected with a limiting block 222;
wherein, a plurality of limit holes 325 are arranged on the lower end surface of the driving block 323, and the orifice of each limit hole 325 is provided with a stop ring 326 which contracts inwards; the control rod 221 passes through the corresponding baffle ring 326, and the limiting block 222 is positioned in the limiting hole 325 and abuts against the baffle ring 326.
The limit hole 325 is opened in the vertical direction; the driving block 323 moves only in the vertical direction relative to the positioning block 21, and the movement distance is limited. When the driving block 323 approaches the positioning block 21, the control rod 221 drives the limiting block 222 to slide in the limiting hole 325.
Further, the feeding member 25 includes a feeding bent lever 251 connected to the lower end of the feeding block 23; the end of the feed bent rod 251 is provided with a guide rod 252 which can elastically stretch and retract;
the cooperative structure 24 comprises a plurality of groups of displacement grooves 241 and a guide groove 242 which are arranged on the inner side of the positioning block 21 and are communicated end to end in sequence; the end of the guide rod 252 is located in the displacement groove 241 or the guide groove 242;
the displacement groove 241 includes a vertical groove 241a vertically arranged and an inclined groove 241b communicating with a top end of the vertical groove 241a and obliquely arranged; an anti-rollback check step 241c is arranged at the juncture of the vertical groove 241a and the inclined groove 241b; the other end of the inclined groove 241b far away from the vertical groove 241a is communicated with the bottom end of the vertical groove 241a of the other group of displacement grooves 241, and a non-return step 241c is arranged at the junction of the inclined groove 241b and the vertical groove 241 a;
both ends of the guide groove 242 are respectively communicated with the inclined grooves 241b and the vertical grooves 241a at both ends of the outer side of the plurality of groups of displacement grooves 241, and a non-return step 241c is arranged at the juncture of the guide groove 242 and the vertical grooves 241 a.
The displacement groove 241 and the guide groove 242 function to guide the movement of the feed bar 251 in such a way that: after the positioning block 21 is abutted against the base 31 and stops moving downwards; in the process that the driving block 323 drives the feeding block 23 to move downwards, the guide rod on the feeding bent rod 251 is initially positioned at the top end of the vertical rod, the guide rod 252 is propped against the non-return step 241c, the guide rod 252 is limited to be unable to move downwards along the vertical rod, and only can enter the inclined groove 241b along the non-return step 241c until sliding into the bottom end of the other vertical groove 241 a; the movement of one vertical groove 241a to the other vertical groove 241a causes the horizontal displacement of the feeding bent rod 251, so that the feeding block 23 also performs the horizontal displacement, and the back-up of the scraping mechanism 1 relative to the wall surface is realized. It is to be noted that the bottom surfaces of the displacement groove 241 and the guide groove 242 are obliquely arranged because a plurality of check steps 241c are required, and the arrangement of the check steps 241c is necessarily accompanied by a decrease in the height of the adjacent grooves, which is required in order for the displacement groove 241 and the guide groove 242 to form one closed groove. When the guide bar 252 finally runs into the guide groove 242, it may be manually pushed so that the guide bar 252 enters the first vertical groove 241a, or may be pushed with a cylinder or the like. The inner side of the positioning block 21, that is, the side of the two automatic feeding mechanisms 2 opposite to the positioning block 21. The driving block 323 moves upwards, the guide rod 252 slides to the top end of the vertical groove 241a, the driving block 323 continuously moves downwards, and after the positioning block 21 abuts against the base 31, the guide rod 252 moves along the inclined groove 241 b.
Further, a positioning hole 253 is formed at one end of the feeding bent rod 251, which is far away from the feeding block 23, and a positioning spring 254 is arranged in the positioning hole 253; one end of the guide rod 252 passes through the mouth of the placement hole 253 to abut against the placement spring 254, and the other end of the guide rod 252 abuts against the displacement groove 241 or the guide groove 242.
The inclined arrangement of the bottom surfaces of the displacement groove 241 and the guide groove 242 and the setting of the check step 241c require that the guide rod 252 be telescopic, and also ensure that the guide rod 252 is always positioned in the displacement groove 241 or the guide groove 242 to realize driving of the feed block 23.
Further, the feeding block 23 is provided with a through abdication hole 231; the driving block 323 is positioned in the abdication hole 231; a horizontal sliding bar 232 is arranged on the inner wall of the abdication hole 231; a sliding groove 327 which is in sliding fit with the sliding bar 232 is arranged on the outer wall of the driving block 323 and corresponds to the sliding bar;
a strip-shaped hole 233 is formed in one surface of the feeding block 23 facing the scraping mechanism 1;
the automatic feeding mechanism 2 further includes:
a first speed change gear 26 rotatably installed in the bar-shaped hole 233;
a second speed change gear 27 coaxially fixedly connected to the first speed change gear 26;
a third steering gear 28 rotatably installed in the bar-shaped hole 233 to be engaged with the second speed change gear 27;
wherein, one surface of the driving block 323 facing the first speed change gear 26 is provided with a rack, and the first speed change gear 26 is meshed with the rack on the driving block 323; the end part of the scraping mechanism 1 is connected in the strip-shaped hole 233 in a sliding way; the end part of the scraping mechanism 1 is provided with a rack; the rack of the wiper mechanism 1 meshes with the third steering gear 28. The opening of the strip-shaped hole 233 facing the wiper mechanism 1 is provided with a boss for supporting the wiper mechanism 1.
The sliding bar 232 and the sliding groove 327 can be added with a plurality of sliding bars to ensure the stability of the device. The relief holes 231 are large enough to allow the feed block 23 to be smoothed relative to the drive block 323. The inner walls of the upper side and the lower side of the strip-shaped hole 233 are provided with guide rails, and the end part of the scraping mechanism 1 is provided with a sliding groove which is in sliding fit with the guide rails. The second ratio gear 27 has a smaller diameter than the first ratio gear 26. The third steering gear 28 is located between the second change gear 27 and the wiper mechanism 1. When the feeding block 23 slides relative to the driving block 323, the first speed-changing gear 26 is meshed with the rack on the driving block 323, so that the first speed-changing gear 26 rotates, and simultaneously drives the second speed-changing gear 27 and the third steering gear 28 to rotate, so as to drive the scraping mechanism 1 to slide. The main reason for the above arrangement is that: each time the feeding block 23 is driven to retract to drive the scraping mechanism 1 to be far away from the wall surface, the feeding amount is relatively large, namely the distance of the scraping mechanism 1 to be far away from the wall surface is the distance between the two vertical grooves 241 a; it can be appreciated that the present device faces the whole wall, the whole device is relatively large, although the device is provided with the device to greatly reduce the weight of the scraping mechanism 1 (ensuring that the device is light enough to promote the up-down movement efficiency and stability thereof and reduce the power consumption), the scraping mechanism 1 is required to be driven to horizontally displace, the guide rod 252 cannot be too small in size (for example, the diameter is only a few millimeters), in order to keep the device durable, the guide rod 252 is relatively large in size, the corresponding vertical groove 241a is relatively wide, the distance between the two vertical grooves 241a is necessarily not small, the wall surface is scraped, the scraping and backing feed amount between the putty on two sides is controlled slightly, usually at 1 millimeter or a few tenths of millimeters, so that the movement of the feed block 23 needs to be corrected, the combination of a plurality of gears can realize that the scraping mechanism 1 is relatively close to the wall surface when the feed block 23 drives the scraping mechanism 1, the backing feed amount is reduced, and the backing feed amount of the scraping mechanism 1 is ensured to be relatively limited to be prevented from backing.
Further, the wiping mechanism 1 includes:
the scraping support plate 11 is respectively and slidably arranged in the strip-shaped holes 233 at two ends, and racks at two ends of the scraping support plate are respectively meshed with the third steering gear 28;
the scraping box body 12 is connected with the scraping support plate 11 and provided with a strip-shaped outlet 13;
wherein the strip-shaped outlet 13 of the scraping box body 12 is outwardly extended with a scraper 14.
The scraping box body 12 is positioned between the whole device and the wall surface, the scraping box body 12 is arranged in a slight inclination, and the scraping box body 12 is connected with a communication pipeline which is externally connected with a pump for pumping putty. The scraping box body 12 is used for temporarily storing the putty, and is pumped into the scraping box body along with the continuous pumping of the putty, the putty is extruded from the strip-shaped outlet 13 and is spread on the scraping plate 14, and the scraping plate 14 scrapes the putty on the wall surface from bottom to top. It should be noted that the squeegee 14 is slightly spaced from the wall surface to facilitate putty filling. Once the putty is stopped from being pumped into the scraping box body 12, the putty cannot flow out from the strip-shaped outlet 13 due to the internal pressure, so that the excessive putty falls off from the scraping plate 14 when the scraping mechanism 1 moves downwards (even if a small amount of putty is smeared on a wall surface, the large bureau is not influenced, the subsequent scraping and coating can be performed for the second time, the top of the wall surface is smeared for the last time, and the base 31 moves backwards to prevent the redundant putty from adhering).
Further, the top base 324 includes: a top plate 324a; a sleeve 324b, one end of which is closed, sleeved on the end of the driving shaft 321 and connected with the driving shaft 321 through a bearing; the opposite pull shafts 324c are provided with two opposite pull shafts, and two support shafts 324d are respectively hinged at two ends of the opposite pull shafts;
of the four support shafts 324d hinged to the ends of each pair of pull shafts 324c, two of the support shafts 324d have ends hinged to the top plate 324a, and the other two support shafts 324d have ends hinged to the closed ends of the sleeves 324 b; the middle parts of the two opposite-pulling shafts 324c are respectively provided with opposite-pulling threaded holes; a pair of pull rods 324e are connected in the two pair of pull threaded holes in a threaded manner; the threads in the two opposite-pulling threaded holes are opposite in rotation direction.
By rotating the opposite pull rod 324e, the two opposite pull shafts 324c are moved toward or away from each other to drive the top plate 324a to rise or fall, thereby realizing the abutment of the top plate 324a against the ceiling, and fixing the device. The two top plates 324a are connected through the connecting rod 4, so that stability is improved.
In the description of the present invention, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (6)
1. A puttying robot, comprising:
the scraping and plastering mechanism is used for scraping and plastering the wall surface;
the automatic feeding mechanism is connected with the scraping mechanism and is used for driving the scraping mechanism to be close to or far away from the wall surface;
the supporting mechanism is used for supporting the automatic feeding mechanism and driving the scraping mechanism and the automatic feeding mechanism to ascend and descend;
wherein the scraping mechanism is matched with the width of the wall surface;
the supporting mechanism comprises a base and two groups of supporting members which are arranged in parallel with each other:
the support member is provided with:
the driving shaft is vertically arranged and rotatably installed on the base;
the rotating shaft of the driving motor is coaxially connected with the driving shaft and is arranged on the base;
the driving block is sleeved on the driving shaft through the opening and is in threaded connection with the driving shaft;
the top seat is rotationally connected with one end of the driving shaft far away from the driving motor;
wherein, the automatic feeding mechanism is connected with the driving block; the top seat is used for propping against the ceiling;
the automatic feeding mechanism is provided with two corresponding supporting members; the automatic feeding mechanism comprises:
the positioning block is sleeved on the driving shaft in a sliding way through the opening;
the two ends of the local displacement control structure are respectively connected with the driving block and the positioning block, so that the distance between the driving block and the positioning block is variable while the driving block and the positioning block are kept connected;
the feeding block is connected with the driving block in a sliding way, and the other end of the feeding block is connected with the scraping mechanism;
the positioning blocks in the two automatic feeding mechanisms are connected through a connecting rod; the positioning block is provided with a cooperative structure, and the feeding block is provided with a feeding member matched with the cooperative structure; when the feeding block is close to the positioning block, the positioning block drives the feeding member to move through the cooperative structure so as to enable the feeding block to slide;
the feeding component comprises a feeding bent rod connected to the lower end of the feeding block; the end part of the feeding bent rod is provided with a guide rod which can elastically stretch and retract;
the cooperative structure comprises a plurality of groups of displacement grooves and a guide groove which are arranged on the inner side of the positioning block and are sequentially communicated end to end; the end part of the guide rod is positioned in the displacement groove or the guide groove;
the displacement groove comprises a vertical groove which is vertically arranged and an inclined groove which is communicated with the top end of the vertical groove and is obliquely arranged; the junction of the vertical groove and the inclined groove is provided with a non-return step for preventing rollback; the other end of the inclined groove far away from the vertical groove is communicated with the bottom end of the vertical groove of the other group of displacement grooves, and a non-return step is arranged at the junction of the inclined groove and the vertical groove;
the two ends of the guide groove are respectively communicated with the inclined grooves and the vertical grooves at the two ends of the outer sides of the plurality of groups of displacement grooves, and a non-return step is arranged at the junction of the guide groove and the vertical groove.
2. A puttying robot as defined in claim 1, wherein the local displacement control structure comprises:
the control rod is provided with a plurality of control rods; one end is connected with the upper end of the positioning block, and the other end is connected with a limiting block;
wherein, a plurality of limit holes are arranged on the lower end surface of the driving block, and the orifice of each limit hole is provided with an inward-contracted baffle ring; the control rod passes through the corresponding baffle ring, and the limiting block is positioned in the limiting hole and abuts against the baffle ring.
3. The puttying robot as set forth in claim 2, wherein a mounting hole is formed at one end of the feed bent rod, which is far away from the feed block, and a mounting spring is provided in the mounting hole; one end of the guide rod passes through the opening of the mounting hole to prop against the mounting spring, and the other end of the guide rod props against the displacement groove or the guide groove.
4. A puttying robot according to claim 3, wherein,
the feed block is provided with a through abdication hole; the driving block is positioned in the yielding hole; a horizontal sliding strip is arranged on the inner wall of the abdication hole; a sliding groove which is in sliding fit with the corresponding sliding strip is arranged on the outer wall of the driving block;
a strip-shaped hole is formed in one surface of the feeding block, which faces the scraping mechanism;
the automatic feed mechanism further includes:
the first speed change gear is rotatably arranged in the strip-shaped hole;
the second speed change gear is fixedly connected to the first speed change gear in a coaxial line;
the third steering gear is rotatably arranged in the strip-shaped hole and meshed with the second speed change gear;
wherein, one surface of the driving block facing the first speed change gear is provided with a rack, and the first speed change gear is meshed with the rack on the driving block; the end part of the scraping mechanism is connected in the strip-shaped hole in a sliding way; the end part of the scraping mechanism is provided with a rack; the rack of the scraping mechanism is meshed with the third steering gear.
5. A puttying robot as defined in claim 4, wherein the scraping mechanism comprises:
the scraping support plate is provided with a strip-shaped hole, two ends of the scraping support plate are respectively and slidably arranged in the strip-shaped hole, and racks at two ends of the scraping support plate are respectively meshed with the third steering gear;
the scraping box body is connected with the scraping support plate and provided with a strip-shaped outlet;
wherein the strip-shaped outlet of the scraping box body is outwards extended with a scraping plate.
6. The puttying robot as claimed in claim 5, wherein the top base comprises:
a top plate;
one end of the sleeve is closed, sleeved at the end part of the driving shaft and connected with the driving shaft through a bearing;
the opposite pull shafts are provided with two opposite pull shafts, and two ends of the opposite pull shafts are respectively hinged with two support shafts;
among the four support shafts hinged with the ends of each pair of pull shafts, the ends of two support shafts are hinged with the top plate, and the other two support shafts are hinged with the closed end of the sleeve; the middle parts of the two opposite-pull shafts are respectively provided with opposite-pull threaded holes; a pair of pull rods is connected in the two pair of pull threaded holes in a threaded manner; the threads in the two opposite-pulling threaded holes are opposite in rotation direction.
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