CN114800808A

CN114800808A - Scraper device

Info

Publication number: CN114800808A
Application number: CN202210424724.3A
Authority: CN
Inventors: 陈帅; 张才华; 双超军; 詹大强; 吴洲华
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bozhilin Robot Co Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-29

Abstract

The invention discloses scraper equipment which comprises a rack, a scraper mechanism, a detection switch and a controller, wherein the scraper mechanism comprises a driving device and a scraper component; the detection switch is installed in the frame, the detection switch includes switch body and is used for with treat the trigger subassembly of cleaning contact, the trigger subassembly is treated the drive of cleaning and is acted and order about the switch body produces detection signal under, the controller electricity is connected drive arrangement with the switch body, the controller is used for according to detection signal control drive arrangement operation is in order to drive the scraper subassembly is close to treating cleaning or is kept away from treating cleaning. The technical scheme of the invention ensures that the aluminum die is convenient to clean, and the cleaning efficiency and quality are improved.

Description

Scraper device

Technical Field

The invention relates to the technical field of building construction equipment, in particular to scraper equipment.

Background

The aluminum mould is called as concrete engineering aluminum alloy template, and is a new generation template system behind a wood template, a bamboo plywood and a steel template. The aluminum alloy template is a template which is made of aluminum alloy sections as main materials through processes of machining, welding and the like and is suitable for concrete engineering.

After the aluminum mould is used every time, the surface of the aluminum mould is adhered with solidified concrete, so that the quality of the wall surface formed by assembling and using the aluminum mould in the next use is influenced. Most of construction sites manually shovel off the adhered objects on the surface of the aluminum mould by using a shovel, the cleaning process is long in time consumption and high in labor intensity, and dust particles formed in the cleaning process are harmful to human bodies; in addition, the aluminum die can be sent to a factory for cleaning, and the factory cleaning device is generally in a high-pressure water gun mode, a sand blasting mode, a shot blasting mode and the like, but the equipment is large in size and is not suitable for being used on site.

Disclosure of Invention

The invention mainly aims to provide scraper equipment and aims to improve the efficiency and convenience of cleaning the surface of an aluminum die.

To achieve the above object, the present invention provides a doctor apparatus comprising:

a frame;

the scraper mechanism comprises a driving device and a scraper component, the driving device is installed on the rack, and the scraper component is installed on the driving device;

the detection switch is arranged on the rack and comprises a switch body and a trigger assembly used for being in contact with the piece to be cleaned, and the trigger assembly is driven by the piece to be cleaned to act and drives the switch body to generate a detection signal; and

the controller is electrically connected with the driving device and the switch body and used for controlling the driving device to operate according to the detection signal so as to drive the scraper component to be close to or far away from the piece to be cleaned.

In an embodiment of the invention, the detection switch is an angle detection switch, the member to be cleaned drives the switch body to generate an angle detection signal through the trigger assembly, and the controller controls the operation state of the driving device according to the angle detection signal so as to control the movement amount of the scraper assembly.

In an embodiment of the present invention, the trigger assembly includes a swing rod rotatably connected to the frame, one end of the swing rod facing the member to be cleaned is provided with a guide portion, the other end of the swing rod away from the member to be cleaned is mounted on a detection magnet, the switch body includes a hall element cooperating with the detection magnet, and the member to be cleaned drives the swing rod to rotate relative to the frame, so as to drive the position of the detection magnet relative to the hall element to change, thereby generating the angle detection signal.

In an embodiment of the present invention, the guide portion is a guide wheel mounted at an end of the swing rod facing the member to be cleaned.

In an embodiment of the present invention, the trigger assembly further includes an elastic restoring member connected between the swing link and the frame, the elastic restoring member is configured to accumulate elastic potential energy when the trigger assembly is in contact with the member to be cleaned, and release the elastic potential energy and drive the swing link to return to the initial position when the trigger assembly is separated from the member to be cleaned.

In an embodiment of the invention, the driving device includes a driving member, a connecting rod assembly and a mounting seat, the driving member and the mounting seat are respectively and fixedly mounted on the upper side and the lower side of the frame, the connecting rod assembly is rotatably connected with the mounting seat through a pin shaft and is rotatably connected with an output shaft of the driving member, the scraper assembly is mounted on the connecting rod assembly, and the driving member drives the scraper assembly to extend out to one side of the frame through the connecting rod assembly so as to be close to the member to be cleaned.

In an embodiment of the present invention, the link assembly includes a first link, a second link and a connecting frame, the first link and the second link are arranged at intervals in an up-down direction of the mounting seat and are rotatably connected to the mounting seat through a pin, the connecting frame is connected to one side of the first link and the second link, which is away from the scraper assembly, the scraper assembly includes a scraper seat and a scraper fixed on the scraper seat, one end of the first link and one end of the second link, which are close to the member to be cleaned, are rotatably connected to the upper side and the lower side of the scraper seat through pins, respectively, and an output shaft of the driving member is rotatably connected to the connecting frame.

In an embodiment of the invention, an output shaft of the driving member is rotatably connected to the connecting frame, a limiting groove is formed at one end of the second connecting rod, which is away from the scraper seat, and a limiting member is further disposed on the mounting seat, and the limiting member cooperates with the limiting groove to stop the second connecting rod when the scraper assembly extends to a limit position.

In an embodiment of the present invention, the driving member is an electric cylinder, the driving device further includes an elastic driving member, the elastic driving member is connected between the link assembly and the frame, when the output shaft of the driving member extends, the elastic driving member drives the scraper assembly to move away from the member to be cleaned, and when the output shaft of the driving member retracts, the elastic driving member drives the link assembly to swing so that the scraper assembly extends to one side of the frame to be close to the member to be cleaned.

In an embodiment of the present invention, at least two scraper mechanisms are provided, at least two scraper mechanisms are arranged at intervals in a length direction of the rack, and one scraper mechanism is provided with one detection switch correspondingly;

or at least two driving devices are arranged in the scraper mechanism, the at least two driving devices are arranged at intervals in the length direction of the rack, and the at least two driving devices drive one scraper component together.

In the technical scheme, the detection switch is arranged in the scraper device and comprises a switch body and a trigger component which is used for being in contact with the to-be-cleaned piece, in the using process, the trigger component is driven by the to-be-cleaned piece to act and drives the switch body to generate a detection signal, the controller controls the driving device to operate through the detection signal so as to drive the scraper component to be close to or far from the to-be-cleaned piece, therefore, in the actual use process, when the surface of an aluminum die needs to be cleaned, the aluminum die firstly contacts the trigger component in the detection switch and generates the detection signal, the controller correspondingly controls the scraper component to extend out to be close to the to-be-cleaned aluminum die, and after the cleaning is finished, the trigger component drives the switch body to generate the change of the detection signal because the aluminum die is separated from the trigger component, and further the controller controls the scraper component to move towards the direction far from the aluminum die through the driving device, therefore, when the next aluminum die is cleaned, the scraper component cannot be collided, the scraper component automatically approaches to and departs from the aluminum die through the structure, the efficiency is high in the cleaning process, and the cleaning effect is greatly improved in the mode of cleaning the scraper component.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic perspective view of a doctor apparatus according to an embodiment of the invention;

FIG. 2 is a schematic front view of the doctor apparatus of FIG. 1;

FIG. 3 is a schematic side view of the doctor apparatus of FIG. 1;

FIG. 4 is a schematic perspective view of a doctor apparatus according to yet another embodiment of the invention;

FIG. 5 is a rear view of the structure of FIG. 4;

FIG. 6 is a schematic side view of a doctor apparatus according to yet another embodiment of the invention;

FIG. 7 is a schematic perspective view of another embodiment of a doctor apparatus of the invention;

FIG. 8 is a schematic view of a first state of the present invention operating with the doctor apparatus of FIG. 6;

FIG. 9 is a schematic diagram of a second state of the present invention operating with the doctor apparatus of FIG. 6;

FIG. 10 is a schematic view of a third state of the present invention operating with the doctor apparatus of FIG. 6;

figure 11 is a fourth state of the present invention utilizing the doctor apparatus of figure 6.

The reference numbers illustrate:

10. a scraper device; 11. a frame; 111. an upper cross beam; 113. a lower cross member 113; 115. a longitudinal beam; 12. a scraper mechanism; 13. a drive device; 131. a drive member; 132. a connecting rod assembly; 133. a first link; 134. a second link; 1341. a limiting groove; 135. a connecting frame; 136. a mounting seat; 1361. a limiting member; 14. a scraper assembly; 141. a scraper seat; 142. a scraper; 15. a detection switch; 16. a trigger component; 161. a swing rod; 162. a guide portion; 163. detecting the magnet; 17. a switch body; 18. an elastic driving member.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a doctor apparatus 10.

Referring to fig. 1 to 3, in the embodiment of the present invention, the doctor apparatus 10 includes a frame 11, a doctor mechanism 12, a detection switch 15, and a controller (not shown).

The frame 11 is a main body for carrying the whole equipment structure, and in the using process, the whole scraper device 10 can be installed and fixed on a construction site through the frame 11 so as to clean an aluminum mold on the construction site. The frame 11 is a frame structure, and in particular, includes an upper cross member 111, a lower cross member 113, and a longitudinal member 115 connected between the upper cross member 111 and the lower cross member 113. The upper cross beam 111, the lower cross beam 113 and the longitudinal beam 115 can be made of square tube steel, so that the square tube steel has high structural strength, and the material is easy to obtain, so that the production cost can be reduced.

The scraper mechanism 12 comprises a driving device 13 and a scraper component 14, the driving device 13 is mounted on the frame 11, the scraper component 14 is mounted on the driving device 13, a detection switch 15 is also mounted on the frame 11, the detection switch 15 comprises a switch body 17 and a trigger component 16 used for contacting with a piece to be cleaned (namely, an aluminum die to be cleaned), and the trigger component 16 is driven by the piece to be cleaned to act and drives the switch body 17 to generate a detection signal. The controller is electrically connected with the driving device 13 and the switch body 17, and is used for controlling the driving device 13 to operate according to the detection signal so as to drive the scraper component 14 to be close to or far away from the piece to be cleaned. In practical applications, the width of the aluminum mold may be relatively large, the required scraper 142 is also relatively long, and in order to improve the scraping efficiency, in one arrangement form, referring to fig. 4 and 5, at least two scraper mechanisms 12 are provided, at least two scraper mechanisms 12 are arranged at intervals in the length direction of the frame 11, and one scraper mechanism 12 is correspondingly provided with a detection switch 15. Through the setting of two at least scraper mechanisms 12, so can carry out the collaborative work through a plurality of scraper subassemblies 14, can satisfy basically once only strike off the clean demand with a great aluminium mould breadth, and a scraper mechanism 12 corresponds and is provided with a detection switch 15, can control the scraper subassembly 14 on different scraper mechanisms 12 alone respectively, thereby in the in-service use process, to the great aluminium mould of a breadth, if the incomplete condition of breadth appears, then can reach the mesh of clearing simultaneously with the different amounts of stretching out through controlling different scraper subassemblies 14 in a plurality of scraper mechanisms 12 respectively, clean efficiency promotes greatly like this. In yet another arrangement, referring to fig. 1 to 2 again, the driving devices 13 in the doctor mechanism 12 are provided with at least two, the at least two driving devices 13 are arranged at intervals in the length direction of the frame 11, and the at least two driving devices 13 drive a doctor assembly 14 together, in this arrangement, the number of the detection switches 15 may be one or other numbers, when the width of the aluminum template is relatively flat, but the size is relatively large, the length of the doctor 142 may correspond to the size of the width of the aluminum mold, and the doctor assembly 14 can be effectively supported by the plurality of driving devices 13 everywhere, so that the doctor assembly 14 is more uniformly stressed, can effectively contact with the aluminum mold, and is more thoroughly cleaned.

In one embodiment, the scraper device 10 further comprises a conveyor (not shown) disposed on one side of the frame 11, wherein the conveyor is mainly used for driving the aluminum mold for belt cleaning to move on one side of the frame 11, and is in contact with and relatively displaced from the scraper assembly 14 during the movement of the aluminum mold, and during the process, the scraper assembly 14 scrapes off the dirt attached to the aluminum mold for cleaning. In practical applications, the conveying device includes a clamp for fixing the aluminum mold and a guide rail for driving the clamp to linearly slide on one side of the frame 11, and the form of the guide rail may be the existing form such as a belt wheel drive and a slide bar fit form, a slide rail form of a lead screw drive, and the like, and the application is not limited thereto. In the scheme exemplarily shown in the figure of the invention, the aluminum die moves from bottom to top on one side of the frame 11, the detection switch 15 is structurally positioned below the scraper assembly 14, and the aluminum die contacts with the trigger assembly 16 of the detection switch 15 in the upward process, so that the design has the advantages that on one hand, the risk of knife collision can be avoided, and on the other hand, in the process of scraping foreign matters on the aluminum die by the scraper assembly 14, the foreign matters can freely fall down by means of gravity and are not easy to stay on the scraper assembly 14, so that the continuous work of the scraper assembly 14 can be ensured, and the cleaning efficiency is improved.

In summary, the technical solution of the present invention is to provide the detecting switch 15 in the scraper device 10, wherein the detecting switch 15 includes a switch body 17 and a trigger assembly 16 for contacting with the member to be cleaned, in the using process, the trigger assembly 16 is driven by the member to be cleaned to operate and drive the switch body 17 to generate a detecting signal, and the controller controls the driving device 13 to operate through the detecting signal so as to drive the scraper assembly 14 to approach the member to be cleaned or to move away from the member to be cleaned, so that, in the actual using process, when the surface of the aluminum mold needs to be cleaned, the aluminum mold first contacts the trigger assembly 16 in the detecting switch 15 and generates the detecting signal, the controller correspondingly controls the scraper assembly 14 to extend out to approach the aluminum mold to be cleaned, and after the cleaning is finished, because the aluminum mold is separated from the trigger assembly 16, the trigger assembly 16 drives the switch body 17 to generate the change of the detecting signal, the controller controls the scraper component 14 to move towards the direction far away from the aluminum die through the driving device 13, so that the scraper component 14 is not collided when the next aluminum die is cleaned.

In one embodiment, the detecting switch 15 is an angle detecting switch, the member to be cleaned drives the switch body 17 to generate an angle detecting signal through the triggering component 16, and the controller controls the operation state of the driving device 13 according to the angle detecting signal to control the moving amount of the scraper component 14. In the embodiment, the operating state of the driving device 13 is controlled by the angle detection signal, which has the characteristic of sensitive detection, and in combination with the above contents, at least two scraper mechanisms 12 in the scraper device 10 of the present invention are provided, and the controller further controls the movement amount of the scraper assembly 14 according to the angle detection signal, because in the practical application process, because the aluminum mold is repeatedly used, the same surface of the same aluminum mold may also have a possibility of deformation, and therefore, the distance between the same surface of the aluminum mold and the rack 11 is different, in this case, the pressing effect of the aluminum mold on the trigger assembly 16 is different, and the value of the generated angle detection signal is also different, the scheme of the present invention can judge that the aluminum mold at the position needs to adjust the extension amount of the scraper assembly 14 by adapting the extension amount of the scraper assembly 14 to the value of the angle detection signal obtained by the controller under the condition that the angle detection signal obtained by the controller is changed, for example, if a change in the angle detection signal (assuming that the angle becomes smaller) indicates a dent in the aluminum die, the controller controls the driving device 13 to operate to increase the protrusion of the doctor assembly 14 for fine adjustment, thereby achieving the optimum scraping effect.

It should be noted that, in the actual use process, referring to fig. 8, the triggering component 16 contacts the edge of the aluminum mold first, where the aluminum mold is less likely to deform, and it can be considered that the aluminum mold is in a clean and originally flat position, after the controller controls the operation of the driving device 13 through the signal, the scraper component 14 extends out and can default to a state just contacting with the surface of the aluminum mold, and since the building material such as mortar is injected into the cavity formed by the aluminum mold during the production process, and the pressure of the mortar can cause the aluminum mold to have the possibility of outward deformation, the surface to be cleaned of the aluminum mold is usually considered to be concave during the angle detection process, so as to meet the use requirement, and for the triggering component 16 to cause the detected angle signal to generate reverse change (assuming that the angle is increased) due to the foreign matter during the scraping process, it may be defaulted to the presence of foreign matter here, as long as the position of the doctor assembly 14 needs to be maintained unchanged.

Referring to fig. 6, the triggering assembly 16 includes a swing link 161 rotatably connected to the frame 11, one end of the swing link 161 facing the member to be cleaned is provided with a guide portion 162, the other end of the swing link 161 away from the member to be cleaned is mounted on a detecting magnet 163, the switch body 17 includes a hall element cooperating with the detecting magnet 163, and the member to be cleaned drives the swing link 161 to rotate relative to the frame 11, so as to drive the detecting magnet 163 to change relative to the hall element to generate an angle detecting signal. The guide part 162 of the present invention has a smooth outer surface, the guide part 162 is used for sliding relative to the surface of the aluminum mold to be cleaned, so as to protect the surface of the aluminum mold, in a preferred structure, the guide part 162 is a guide wheel mounted at one end of the swing rod 161 facing the member to be cleaned, and the guide wheel can be made of rubber, for example. In other structural forms, the guide portion 162 may also be a sphere-like or disc-like structure formed by processing the end portion of the swing link 161, and the detection magnet 163 may be configured into an arc shape with a thickness varying after the length extending direction thereof, so that during the swinging of the swing link 161, a relative displacement is generated between the arc-shaped detection magnet 163 and the hall element, which may cause a variation in magnetic force, and thus an angle detection value may be generated, so that the detection is sensitive.

Further, the triggering assembly 16 further includes an elastic restoring member (not shown) connected between the swing link 161 and the frame 11, for accumulating elastic potential energy when the triggering assembly 16 is in contact with the member to be cleaned, and releasing the elastic potential energy and driving the swing link 161 to return to the initial position when the triggering assembly 16 is separated from the member to be cleaned. In this embodiment, the elastic restoring member may be in the form of a torsion spring or a tension spring, the triggering assembly 16 is substantially kept in a horizontal state at the initial position (see fig. 8), the swing link 161 is driven by the aluminum mold to swing upwards (see fig. 9) during the process that the aluminum mold moves up from one side of the frame 11, and after the aluminum mold is entirely separated from the swing link 161, the swing link 161 can return to the initial position (see fig. 10 and 11), in the process, in combination with the above contents, because the surface of the aluminum mold may not necessarily be a plane, and a concave condition may occur, by means of the action of the elastic restoring member, the influence of a factor of blocking by a foreign object on the surface of the aluminum mold can be overcome, so that the angle change of the swing link 161 is more sensitive, and thus the adjustment of the scraper assembly 14 is more sensitive. And the other one can ensure that the swing rod 161 can stably return to the initial position after the use of the whole machine is finished by the action of the elastic reset piece, thereby ensuring the reliability of the next cleaning operation.

The above describes that the swing of the swing link 161 drives the detection magnet 163 to rotate, so as to change the distance from the hall element, thereby forming different angle detection values. It is understood that, in other embodiments, the detection signal may be in the form of a pressure detection signal or a displacement detection signal in addition to the angle detection signal, for example, the above structure of the trigger assembly 16 is modified to change the movement form of the oscillating rod 161 into a telescopic movement in the direction perpendicular to the aluminum mold, and then the pressure detection signal of the pressure sensor or the displacement detection signal of the displacement sensor is formed by the telescopic movement, or the other end of the oscillating rod 161 away from the guide portion 162 is connected with a matching structure of a rocker arm, a slider and a slide rail, so that the oscillating of the oscillating rod 161 can be converted into a linear movement form of the slider to generate the pressure detection signal or the displacement detection signal, thereby controlling the adjustment of the extension amount of the doctor assembly 14 through the change of the signals. In order to ensure that the contact between the aluminum mold and the trigger assembly 16 is as gentle as possible and also for the sake of simplicity of the structure, the present invention preferably employs the swing link 161 for angle detection, which will be described below.

Referring to fig. 1 to fig. 6 again, in order to effectively adjust the elongation of the scraper assembly 14 in the above process, the driving device 13 includes a driving member 131, a connecting rod assembly 132, and a mounting seat 136, the driving member 131 and the mounting seat 136 are respectively fixedly mounted on the upper and lower sides of the frame 11, the connecting rod assembly 132 is rotatably connected to the mounting seat 136 through a pin and is rotatably connected to an output shaft of the driving member 131, the scraper assembly 14 is mounted on the connecting rod assembly 132, and the driving member 131 drives the scraper assembly 14 to extend out to one side of the frame 11 through the connecting rod assembly 132 so as to be close to the member to be cleaned. In this embodiment, the driving member 131 may be in the form of an electric cylinder, so that the control of the telescopic distance is more sensitive and accurate, and of course, the driving member 131 may also be in the form of a combination of a motor and other transmission structures, which is not limited in this application. The driving member 131 drives the scraper assembly 14 to extend out in a manner of driving the connecting rod assembly 132 to swing, so that a large external force required by scraping operation can be applied to the surface of the aluminum die in the process of cleaning the surface of the aluminum die, and for the structure of the whole machine, due to the arrangement of the swing manner, when the whole machine does not work, the swing rod 161 can effectively utilize the upper and lower height spaces of the rack 11 to return and retract, so that the storage space required by the whole machine is small.

Because certain requirements are required on the pressure to be applied in the surface scraping process of the aluminum die, the structural strength of the whole machine is also higher, and therefore, in order to meet the requirements, in one structural form, please refer to fig. 7 in combination, the link assembly 132 includes first and

second links

133 and 134 arranged at intervals in the vertical direction of the mounting seat 136, and a connecting frame 135 (refer to fig. 7) connected to one side of the first and

second links

133 and 134 away from the scraper assembly 14, the first and

second links

133 and 134 are both rotatably connected to the mounting seat 136 through a pin, the scraper assembly 14 includes a scraper seat 141 and a scraper 142 fixed on the scraper seat 141, one ends of the first and

second links

133 and 134 close to the member to be cleaned are respectively rotatably connected to the upper and lower sides of the scraper seat 141 through pins, and an output shaft of the driving member 131 is rotatably connected to the scraper seat 141 or the connecting frame 135. In this embodiment, the first connecting rod 133, the second connecting rod 134, the scraper seat 141 and the mounting seat 136 form an approximate parallelogram structure through the pin shaft, and we know from the existing mechanics knowledge that the parallelogram structure is relatively stable, so that the scraper assembly 14 can be ensured to maintain the original angle in the scraping operation process, and the scraping effect can be ensured. Further, a limiting groove 1341 is formed at one end of the second connecting rod 134, which is far away from the scraper seat 141, a limiting member 1361 is further disposed on the mounting seat 136, the limiting member 1361 cooperates with the limiting groove 1341 in a stopping manner to stop the second connecting rod 134 when the scraper assembly 14 extends out to a limit position, in this embodiment, the limiting member 1361 is a cylindrical structure, the limiting groove 1341 is an arc-shaped opening groove and is adapted to the limiting member 1361, and through cooperation between the limiting member 1361 and the limiting groove 1341, the stopping can be performed when the driving member 131 drives the scraper assembly 14 to move to the limit position, so as to ensure stability and safety in the operation process.

In order to further enhance the scraping effect and protect the surface of the aluminum mold, referring to fig. 7, in an embodiment, in the case that the driving member 131 is an electric cylinder, the driving device 13 further includes an elastic driving member 18, the elastic driving member 18 is connected between the connecting rod assembly 132 and the frame 11, when the output shaft of the driving member 131 extends, the elastic driving member 18 drives the connecting rod assembly 132 to swing so that the connecting rod assembly 14 extends to one side of the frame 11 to be close to the member to be cleaned, and when the output shaft of the driving member 131 retracts, the elastic driving member 18 drives the connecting rod assembly 132 to swing so that the connecting rod assembly 14 extends to one side of the frame 11 to be close to the member to be cleaned. Specifically, the driving member 131 is fixed on the upper cross beam 111 of the frame 11 through a bracket, the mounting seat 136 is fixed on the lower cross beam 113 of the frame 11, and the driving shaft of the driving member 131 is rotatably connected on the connecting frame 135, while the elastic driving member 18 can be in the form of a tension spring, a spring leaf, etc., which is preferred for structural stability, and one end of the elastic driving member 18 can be connected on the connecting frame 135, and the other end is connected on the upper cross beam 111 or one side longitudinal beam 115 of the frame 11, when the output shaft of the driving member 131 extends, the scraper assembly 14 is driven to be away from the member to be cleaned, in the process, the elastic driving member 18 in the form of a tension spring is further stretched, and when the driving shaft of the driving member 131 retracts, the elastic driving member 18 drives the scraper assembly 14 to move towards the aluminum mold by driving the connecting frame 135. This embodiment, through above structure setting, when the aluminium mould by down up quick travel, at first touch detect switch 15, send signal drive electric cylinder shrink, the whole link assembly 132 of extension spring shrink pulling thereupon is rotatory, thereby make scraper assembly 14 flexible contact act on the aluminium mould, scraper assembly 14 is accomplished the power that depends on the extension spring resilience to the effect pressure of aluminium mould, because there is certain elastic pressure always, can effectively avoid leading to scraping the not good condition of effect because of the aluminium mould surface is uneven, and can self-adaptation aluminium mould plane strike off the concrete etc. on aluminium mould surface and be stained with the attachment to a certain extent, make clear effect obtain promoting.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A doctor apparatus, characterized in that it comprises:

a frame;

2. The doctor apparatus as claimed in claim 1, wherein said detection switch is an angle detection switch, the member to be cleaned is driven by said trigger assembly to generate an angle detection signal, and said controller controls the operation of said driving means according to said angle detection signal to control the movement of said doctor assembly.

3. The doctor apparatus as claimed in claim 2, wherein said trigger assembly includes a rocker pivotally connected to said frame, a guide portion is provided at an end of said rocker facing toward the member to be cleaned, and a sensing magnet is mounted to the other end of said rocker remote from the member to be cleaned, said switch body includes a hall element cooperating with said sensing magnet, and said member to be cleaned urges said rocker to pivot relative to said frame to urge a position of said sensing magnet relative to said hall element to change to generate said angle sensing signal.

4. A scraper device according to claim 3, characterized in that said guide is a guide wheel mounted at the end of said oscillating bar facing the member to be cleaned.

5. The scraper device of claim 3 wherein said trigger assembly further comprises a resilient return member connected between said rocker and said frame, said resilient return member for accumulating resilient potential energy when said trigger assembly is in contact with the member to be cleaned and releasing said resilient potential energy and driving said rocker back to the initial position when said trigger assembly is separated from the member to be cleaned.

6. The scraper apparatus of any one of claims 1 to 5, wherein the driving device includes a driving member, a connecting rod assembly and a mounting seat, the driving member and the mounting seat are respectively fixedly mounted on the upper and lower sides of the frame, the connecting rod assembly is rotatably connected to the mounting seat via a pin and is rotatably connected to the output shaft of the driving member, the scraper assembly is mounted on the connecting rod assembly, and the driving member drives the scraper assembly to extend out to one side of the frame via the connecting rod assembly so as to be close to the member to be cleaned.

7. The scraper apparatus as claimed in claim 6, wherein the link assembly includes a first link, a second link and a connecting frame, the first link and the second link are spaced up and down of the mounting seat and are rotatably connected to the mounting seat by a pin, the connecting frame is connected to a side of the first link and the second link away from the scraper assembly, the scraper assembly includes a scraper seat and a scraper fixed to the scraper seat, one end of the first link and one end of the second link close to the member to be cleaned are rotatably connected to the upper and lower sides of the scraper seat by pins, respectively, and the output shaft of the driving member is rotatably connected to the connecting frame.

8. The doctor apparatus as claimed in claim 7, wherein the output shaft of the driving member is rotatably connected to the connecting frame, a limiting slot is formed at an end of the second link remote from the doctor holder, and a limiting member is further provided on the mounting base, the limiting member cooperating with the limiting slot stop to stop the second link when the doctor assembly is extended to a limit position.

9. The scraper apparatus of claim 6 wherein the drive member is an electric cylinder, the drive means further comprising a resilient drive member connected between the linkage assembly and the frame, the drive member having an output shaft that extends to drive the scraper assembly away from the member to be cleaned, the resilient drive member being configured to oscillate the linkage assembly to extend the scraper assembly toward one side of the frame to be adjacent the member to be cleaned when the output shaft of the drive member is retracted.

10. The doctor apparatus as claimed in any one of claims 1 to 5, wherein there are at least two of said doctor mechanisms, at least two of said doctor mechanisms being spaced apart along the length of said frame, and one of said doctor mechanisms being provided with a corresponding one of said detection switches;