CN112373041B - Automatic scraping device for hot bed bottom plate of FDM printer - Google Patents
Automatic scraping device for hot bed bottom plate of FDM printer Download PDFInfo
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- CN112373041B CN112373041B CN202011507359.XA CN202011507359A CN112373041B CN 112373041 B CN112373041 B CN 112373041B CN 202011507359 A CN202011507359 A CN 202011507359A CN 112373041 B CN112373041 B CN 112373041B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/35—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Optics & Photonics (AREA)
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Abstract
The invention discloses an automatic scraping device for a hot bed bottom plate of an FDM printer, which comprises a base and a host, wherein the right end of the host is provided with a rotary seat cavity with a rightward downward opening, a large fixed shaft is rotatably connected between the front cavity wall and the rear cavity wall of the rotary seat cavity, a rotary seat is rotatably connected on the large fixed shaft and fixedly connected with the base, a fixed cushion is fixedly connected at the upper end of the base, a bottom plate fixed cavity with an upward opening is arranged at the upper end of the fixed cushion and used for fixing the hot bed bottom plate, the host is fixedly connected with an upper permanent magnet at a proper position on the right end surface of the upper side of the rotary seat cavity, a pressure cavity with an upward opening is arranged on the upper end surface of the right side of the base at a position corresponding to the upper permanent magnet, the device has simple structure and low cost, is convenient to maintain and convenient to operate, and when the device is used, the device is started after the hot bed bottom plate to be cleaned is placed in the device, the scraper structure of the device is not easy to damage the surface of the bottom plate of the hot bed.
Description
Technical Field
The invention relates to 3D printing correlation, in particular to an automatic scraping device for a hot bed bottom plate of an FDM printer.
Background
The FDM printer is one of 3D printers, products are manufactured layer by layer in a mode of stacking materials layer by layer, the printing is performed in a mode of heating and extruding the materials, the influence of the state of the FDM printer when printing a first layer on the quality of a workpiece is important, the FDM printer is generally provided with a part of a heating bed bottom plate, the printed materials are stacked layer by layer on the heating bed bottom plate, the cleaning of the printed materials stacked on the bottom plate is important, and the existing bottom plate is wasted due to the fact that the printed materials are excessively stacked and difficult to clean after working for a long time and are directly replaced;
PLA is the most common material for FDM printer printing, and PLA is soluble in organic solvents, which are sold commercially for the polishing of PLA materials.
Disclosure of Invention
The invention aims to provide an automatic scraping device for a hot bed bottom plate of an FDM printer, which can automatically and efficiently clean the hot bed bottom plate of the FDM printer.
The invention is realized by the following technical scheme.
The invention relates to an automatic scraping device for a hot bed bottom plate of an FDM printer, which comprises a base and a host, wherein a rotary seat cavity with a downward right opening is arranged at the right end of the host, a large fixed shaft is rotatably connected between the front cavity wall and the rear cavity wall of the rotary seat cavity, a rotary seat is rotatably connected on the large fixed shaft and fixedly connected with the base, a fixed cushion is fixedly connected at the upper end of the base, a bottom plate fixed cavity with an upward opening is arranged at the upper end of the fixed cushion and used for fixing the hot bed bottom plate, an upper permanent magnet is fixedly connected at the position of the right end surface of the host positioned at the upper side of the rotary seat cavity, a pressure cavity with an upward opening is arranged at the position corresponding to the upper permanent magnet on the upper end surface of the right side of the base, a buffer block is slidably connected in the pressure cavity, a buffer spring is fixedly connected between the lower end of the buffer block and the lower cavity wall of the pressure cavity, and a lower permanent magnet is fixedly connected at the upper end of the buffer block, the main machine is provided with a reciprocating cavity with an opening facing downwards the bottom plate fixing cavity, a wide transmission belt cavity, a narrow transmission belt cavity, a fan cavity, an air inlet and an air outlet, the reciprocating cavity is positioned at the upper side of the reciprocating cavity and communicated with the wide transmission belt cavity, the narrow transmission belt cavity is positioned at the rear side of the wide transmission belt cavity, the fan cavity is positioned at the front side of the left side part of the narrow transmission belt cavity and communicated with the reciprocating cavity, the air inlet is communicated with the fan cavity and the outside, the air outlet is positioned at the front side and the rear side of the reciprocating cavity, the wide transmission belt cavity is internally provided with a wide transmission belt mechanism, the wide transmission belt mechanism comprises a motor fixedly connected in the front cavity wall at the right side of the wide transmission belt cavity, the motor is in power connection with a motor shaft, the motor shaft penetrates through the wide transmission belt cavity and is fixedly connected with a driving wide transmission belt pulley in the wide transmission belt cavity, a driven wide transmission belt wheel shaft is rotatably connected between the front cavity wall and the rear cavity at the left side of the wide transmission belt cavity, and a driven wide transmission belt wheel shaft is fixedly connected with a driven wide transmission belt wheel shaft The driving belt wheel is arranged between the driven wide driving belt wheel and the driving wide driving belt wheel and used for driving, and a blocking plate is fixedly connected between the front cavity wall and the rear cavity wall of the wide driving belt cavity in the middle of the wide driving belt.
Further, a reciprocating mechanism is arranged in the reciprocating cavity and comprises a reciprocating seat fixing rod fixedly connected between the left cavity wall and the right cavity wall of the reciprocating cavity, a reciprocating seat is connected to the reciprocating seat fixing rod in a sliding mode, a push-back spring is fixedly connected between the left cavity wall and the left cavity wall of the reciprocating cavity, a switching rod cavity with a left opening and a right opening is arranged at the upper side part of the reciprocating seat, a switching rod is connected to the switching rod cavity in a sliding mode, a positioning cavity with a downward opening is arranged in the upper cavity wall at the left side of the switching rod cavity, a positioning head is connected to the positioning cavity in a sliding mode, a positioning spring is fixedly connected between the positioning head and the upper cavity wall of the positioning cavity, two positioning holes with upward openings are arranged at the position, corresponding to the positioning head, a friction rod cavity with an upward opening is arranged at the upper end face of the reciprocating seat, a lifting rod is rotatably connected between the front cavity wall and the rear cavity wall of the friction rod cavity, and a fixing shaft is fixedly connected with the lifting rod The fixed shaft is fixedly connected with a lifting rod, the upper end of the right side part of the lifting rod is fixedly connected with a friction plate which can be contacted with the wide transmission belt, the lifting rod is hinged with a connecting rod, and the other end of the connecting rod is hinged with the switching rod.
Further, be equipped with the fixed chamber of the decurrent scraper blade seat of opening just in the reciprocal seat lower terminal surface be equipped with scraper mechanism in the fixed chamber of scraper blade seat, scraper mechanism includes fixed connection scraper blade seat dead lever between the chamber wall about the fixed chamber lower side part of scraper blade seat, sliding connection has scraper blade seat just on the scraper blade seat dead lever scraper blade seat right side terminal surface with fixedly connected with scraper blade seat resistance spring between the fixed chamber right side chamber wall of scraper blade seat, be equipped with the decurrent scraper blade chamber of opening just in the scraper blade seat lower extreme front side position rotate between the chamber wall around the scraper blade chamber be connected with the scraper blade fixed axle just the last rotation of scraper blade fixed axle is connected with the scraper blade, the scraper blade position with the scraper blade chamber corresponds fixedly connected with spring leaf between the chamber wall, fixedly connected with absorbent cotton on the scraper blade left side up end.
Furthermore, a liquid outlet mechanism is further arranged in the reciprocating seat and comprises a liquid storage cavity arranged in the reciprocating seat, a left opening and a right opening which are communicated with the liquid storage cavity and an external liquid outlet are arranged at the inner position of the front cavity wall of the lower side of the liquid storage cavity, an upper rotary joint is fixedly connected at an outlet of the liquid outlet, a guide pipe is fixedly connected and communicated with the upper rotary joint, a lower rotary joint is fixedly connected at the other end of the guide pipe and is fixedly connected with the left end face of the scraper plate seat, a liquid outlet channel is arranged in the scraper plate seat and is communicated with the lower rotary joint, the liquid outlet channel is communicated with the scraper plate cavity from the position, a connecting plate is fixedly connected at the upper end of the scraper plate seat, a valve rod is fixedly connected at the left end face of the connecting plate and penetrates through the liquid storage cavity and is fixedly connected with a movable sealing ring at the position corresponding to the liquid outlet, the reciprocating seat is fixedly connected with a fixed sealing ring at the position where the valve rod penetrates, and the fixed sealing ring is in sliding connection with the valve rod.
Furthermore, a fan mechanism is arranged in the fan cavity and comprises a ventilating plate fixedly connected to the opening at the right side, a fan shaft is rotatably connected between the front cavity wall and the rear cavity wall of the left side part of the narrow conveying belt cavity, the front end of the fan shaft extends into the fan cavity and is fixedly connected with a fan, a driven belt pulley is fixedly connected to the fan shaft in the narrow conveying belt cavity, the rear part of the motor shaft penetrates through the narrow conveying belt cavity and is fixedly connected with a driving belt pulley in the narrow conveying belt cavity, and a belt is arranged between the driving belt pulley and the driven belt pulley.
Furthermore, a finger groove with a forward opening is arranged in the front end face of the main machine, and the friction force between the friction plate and the wide transmission belt is larger than the elastic force of the push-back spring.
The invention has the beneficial effects that: the device simple structure cost is cheap, it is convenient to maintain and maintain, the simple operation, the device is when using, only need open the device put into treat the heat bed bottom plate of clearance after start can, the scraper blade structure of device is difficult to harm the surface of heat bed bottom plate, can flow out the organic solvent of automation simultaneously and dissolve the efficiency of PLA material in order to improve the spatula when meetting remaining PLA, from taking blast mechanism in the device, can in time blow off the impurity of scraping when scraping the product and keep clean.
Drawings
In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 2;
FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 2;
FIG. 5 is a schematic cross-sectional view at D-D in FIG. 1 according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view at E-E in FIG. 5 according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view at F-F in FIG. 6 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The automatic scraping device for the hot bed bottom plate of the FDM printer described in conjunction with the attached figures 1-7 includes a base 11 and a host 12, the right end of the host 12 is provided with a rotary seat cavity 17 with a downward opening towards the right, a large fixed shaft 15 is connected between the front and back cavity walls of the rotary seat cavity 17 in a rotating manner, a rotary seat 14 is connected on the large fixed shaft 15 in a rotating manner, the rotary seat 14 is fixedly connected with the base 11, the upper end of the base 11 is fixedly connected with a fixed pad 13, the upper end of the fixed pad 13 is provided with a bottom plate fixed cavity 24 with an upward opening for fixing the hot bed bottom plate 25, the host 12 is fixedly connected with an upper permanent magnet 30 at the right end face position at the upper side of the rotary seat cavity 17, the upper end face at the right side of the base 11 is provided with a pressure cavity 26 with an upward opening at the position corresponding to the upper permanent magnet 30, a buffer block 27 is connected in the pressure cavity 26 in a sliding manner, the upper end of the buffer block 27 is fixedly connected with a lower permanent magnet 29, the main machine 12 is provided with a reciprocating cavity 18 with an opening facing downwards and facing the bottom plate fixing cavity 24, a wide transmission belt cavity 19 which is positioned on the upper side of the reciprocating cavity 18 and communicated with the reciprocating cavity 18, a narrow transmission belt cavity 20 which is positioned on the rear side of the wide transmission belt cavity 19, a fan cavity 21 which is positioned on the front side of the left side part of the narrow transmission belt cavity 20 and is provided with an opening facing forwards and communicated with the reciprocating cavity 18, an air inlet 22 which is communicated with the fan cavity 21 and the outside, and an air outlet 23 which is positioned on the front side of the reciprocating cavity 18 and is provided with a front opening and a rear opening, the wide transmission belt cavity 19 is internally provided with a wide transmission belt mechanism 73, the wide transmission belt mechanism 73 comprises a motor 31 which is fixedly connected in the front cavity wall of the right side of the wide transmission belt cavity 19, the motor 31 is dynamically connected with a motor shaft 32, the motor shaft 32 passes through the wide transmission belt cavity 19 and is fixedly connected with a wide transmission belt 33 in the wide transmission belt cavity 19, a driven wide transmission belt wheel shaft 74 is rotatably connected between the front cavity wall and the rear cavity wall at the left side of the wide transmission belt cavity 19, a driven wide transmission belt wheel 75 is fixedly connected to the driven wide transmission belt wheel shaft 74, a wide transmission belt 34 is installed between the driven wide transmission belt wheel 75 and the driving wide transmission belt wheel 33 for transmission, and a blocking plate 41 is fixedly connected between the front cavity wall and the rear cavity wall of the wide transmission belt cavity 19 in the middle of the wide transmission belt 34.
Advantageously, a reciprocating mechanism 76 is disposed in the reciprocating cavity 18, the reciprocating mechanism 76 includes a reciprocating seat fixing rod 56 fixedly connected between the left and right cavity walls of the reciprocating cavity 18, a reciprocating seat 42 is slidably connected to the reciprocating seat fixing rod 56, a push-back spring 81 is fixedly connected between the left end of the reciprocating seat 42 and the left cavity wall of the reciprocating cavity 18, a switching rod cavity 47 with left and right openings is disposed at an upper side portion of the reciprocating seat 42, a switching rod 48 is slidably connected in the switching rod cavity 47, a positioning cavity 52 with a downward opening is disposed in an upper cavity wall at a left side portion of the switching rod cavity 47, a positioning head 54 is slidably connected in the positioning cavity 52, a positioning spring 53 is fixedly connected between the positioning head 54 and the upper cavity wall of the positioning cavity 52, two positioning holes 55 with an upward opening are disposed on an upper end surface of the switching rod 48 at a position corresponding to the positioning head 54, a friction rod cavity 46 with an upward opening is formed in the inner side of the upper end face of the reciprocating seat 42, a lifting rod fixing shaft 77 is rotatably connected between the front cavity wall and the rear cavity wall of the friction rod cavity 46, a lifting rod 50 is fixedly connected to the lifting rod fixing shaft 77, a friction plate 51 which can be in contact with the wide transmission belt 34 is fixedly connected to the upper end of the right side portion of the lifting rod 50, a connecting rod 49 is hinged to the lifting rod 50, and the other end of the connecting rod 49 is hinged to the switching rod 48.
Advantageously, a scraper seat fixing cavity 45 with a downward opening is arranged in the lower end face of the reciprocating seat 42, a scraper mechanism 78 is arranged in the scraper seat fixing cavity 45, the scraping mechanism 78 includes a scraper seat fixing lever 64 fixedly connected between the left and right chamber walls at the lower portion of the scraper seat fixing chamber 45, the scraper seat fixing rod 64 is connected with a scraper seat 43 in a sliding way, a scraper seat resistance spring 65 is fixedly connected between the right end face of the scraper seat 43 and the right cavity wall of the scraper seat fixing cavity 45, a scraper cavity 68 with a downward opening is arranged in the front position of the lower end of the scraper seat 43, a scraper fixing shaft 70 is rotatably connected between the front cavity wall and the rear cavity wall of the scraper cavity 68, a scraper 69 is rotatably connected on the scraper fixing shaft 70, a spring leaf 71 is fixedly connected between the position of the scraper 69 and the corresponding cavity wall of the scraper cavity 68, and a water absorption cotton 72 is fixedly connected on the upper end surface of the left side of the scraper 69.
Beneficially, a liquid outlet mechanism 79 is further arranged in the reciprocating base 42, and includes a liquid storage cavity 44 arranged in the reciprocating base 42, a left and right opening is arranged at an inner position of a front cavity wall at the lower side of the liquid storage cavity 44 to communicate with the liquid storage cavity 44 and an external liquid outlet 61, an upper adaptor 62 is fixedly connected at an outlet of the liquid outlet 61, a conduit 63 is fixedly connected and communicated with the upper adaptor 62, a lower adaptor 66 is fixedly connected at the other end of the conduit 63, the lower adaptor 66 is fixedly connected with a position of a left end face of the scraper base 43, a liquid outlet channel 67 is arranged in the scraper base 43 to communicate with the lower adaptor 66, a side of the liquid outlet channel 67 is communicated with the scraper cavity 68 from a position, a connecting plate 57 is fixedly connected at the upper end of the scraper base 43, a valve rod 58 is fixedly connected at a position of a left end face of the connecting plate 57, and a movable sealing ring 60 is fixedly connected at a position corresponding to the liquid storage cavity 44 and the liquid outlet 61 by the valve rod 58, the reciprocating seat 42 is fixedly connected with a fixed sealing ring 59 at the position where the valve rod 58 penetrates, and the fixed sealing ring 59 is in sliding connection with the valve rod 58.
Advantageously, a fan mechanism 80 is disposed in the fan chamber 21, the fan mechanism 80 includes a ventilating plate 40 fixedly connected to the right opening of the fan chamber 21, a fan shaft 38 is rotatably connected between the front and rear chamber walls at the left side portion of the narrow conveyor belt chamber 20, the front end of the fan shaft 38 extends into the fan chamber 21 and is fixedly connected with a fan 39, a driven pulley 37 is fixedly connected to the fan shaft 38 in the narrow conveyor belt chamber 20, the rear side portion of the motor shaft 32 passes through the narrow conveyor belt chamber 20 and is fixedly connected to a driving pulley 35 in the narrow conveyor belt chamber 20, and a belt 36 is disposed between the driving pulley 35 and the driven pulley 37.
Advantageously, a finger groove 16 with a forward opening is arranged in the front end face position of the main unit 12, and the friction force between the friction plate 51 and the wide transmission belt 34 is larger than the elastic force of the push-back spring 81.
Sequence of mechanical actions of the whole device:
1: in a standby state, the push-back spring 81 is relaxed, the reciprocating seat 42 is positioned on the right side, the switching rod 48 is positioned at the left position of the switching rod cavity 47 at the moment, the lifting rod 50 is jacked up by the connecting rod 49, the friction plate 51 is contacted with the wide transmission belt 34, the finger groove 16 is manually buckled to open the main machine 12, the lower permanent magnet 29 sucks the upper permanent magnet 30 to fix the main machine 12, the heat bed bottom plate 25 to be cleaned is placed into the rotary seat 14 to be fixed, and then the main machine 12 is closed;
2: the motor 31 is started, the motor shaft 32 rotates to drive the driving wide transmission belt wheel 33 to rotate, the driving wide transmission belt wheel 33 drives the wide transmission belt 34 to move, at the moment, the friction plate 51 is contacted with the wide transmission belt 34, the whole reciprocating seat 42 moves left along with the wide transmission belt 34, the push-back spring 81 is compressed, the scraping plate 69 scrapes on the bottom plate 25 of the hot bed from right to left, when the reciprocating base 42 moves to the left end, the left end of the switching rod 48 is pressed down by the left cavity wall of the reciprocating cavity 18, the switching rod 48 is switched to the position by sliding the positioning head 54 to the positioning hole 55, at this time, the switching rod 48 drives the lifting rod 50 to descend through the connecting rod 49, so that the friction plate 51 is not contacted with the wide transmission belt 34, the reciprocating seat 42 moves to the right under the pushing of the push-back spring 81 and moves back to the right, the switching rod 48 is pressed down again, so that the lifting rod 50 is lifted, the friction plate 51 moves to the left again under the contact with the wide transmission belt 34, and thus the reciprocating scraper 69 repeatedly scrapes the surface of the bed bottom plate 25;
3: when residual printing materials on the surface of the bottom plate 25 of the hot bed meet the scraper 69, rightward friction resistance is generated on the scraper 69, so that the scraper seat 43 compresses the scraper seat resistance spring 65 to generate relative movement, the scraper seat 43 drives the valve rod 58 through the connecting plate 57, the valve rod 58 moves to move the sealing ring 60 to no longer seal the liquid outlet 61, the solvent in the liquid storage cavity 44 flows out from the liquid outlet 61 and flows above the absorbent cotton 72 through the guide pipe 63 and the liquid outlet channel 67, so that the residual materials are scraped by the scraper 69, meanwhile, the rotation of the motor shaft 32 drives the driving pulley 35, the driving pulley 35 drives the driven pulley 37 through the belt 36, the driven pulley 37 drives the fan shaft 38, the fan 39 rotates along with the fan shaft 38 to generate airflow, air enters from the air inlet 22, is blown to the reciprocating cavity 18 through the air permeable plate 40 and is blown out from the air outlet 23, and accordingly, the scraped impurities are blown out.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides an automatic spatula device of hot bed bottom plate of FDM printer, includes base and host computer, its characterized in that: the hot bed comprises a main machine and is characterized in that a rotary seat cavity with a rightward downward opening is arranged at the right end of the main machine, a large fixed shaft is rotatably connected between the front cavity wall and the rear cavity wall of the rotary seat cavity, a rotary seat is rotatably connected to the large fixed shaft, the rotary seat is fixedly connected with a base, the upper end of the base is fixedly connected with a fixed pad, the upper end of the fixed pad is provided with a bottom plate fixed cavity with an upward opening, the bottom plate fixed cavity is used for fixing a bottom plate of a hot bed, the main machine is located at the right end face of the upper side of the rotary seat cavity and fixedly connected with an upper permanent magnet, a pressure cavity with an upward opening is arranged at the position, corresponding to the upper permanent magnet, of the upper end face of the right side of the base, a buffer block is slidably connected in the pressure cavity, a buffer spring is fixedly connected between the lower end of the buffer block and the lower cavity wall of the pressure cavity, a lower permanent magnet is fixedly connected to the upper end of the buffer block, a reciprocating cavity with a downward opening facing the bottom plate fixed cavity, a lower permanent magnet is arranged in the main machine, A wide transmission belt cavity which is positioned at the upper side of the reciprocating cavity and communicated with the reciprocating cavity, a narrow transmission belt cavity which is positioned at the rear side of the wide transmission belt cavity, a fan cavity which is positioned at the front side of the left part of the narrow transmission belt cavity and is provided with an opening which is communicated with the reciprocating cavity in the forward direction, an air inlet which is communicated with the fan cavity and the outside, and an air outlet which is positioned at the front side of the reciprocating cavity and is provided with a front opening and a rear opening, wherein a wide transmission belt mechanism is arranged in the wide transmission belt cavity, the wide transmission belt mechanism comprises a motor which is fixedly connected in the front cavity wall at the right side of the wide transmission belt cavity, the motor is in power connection with a motor shaft, the motor shaft passes through the wide transmission belt cavity and is fixedly connected with a driving wide transmission belt pulley in the wide transmission belt cavity, a driven wide transmission belt pulley shaft is rotatably connected between the front cavity wall and the rear cavity at the left side of the wide transmission belt cavity, and a driven wide transmission belt pulley shaft is fixedly connected on the driven transmission belt pulley shaft, a wide transmission belt is arranged between the driven wide transmission belt wheel and the driving wide transmission belt wheel for transmission, and a blocking plate is fixedly connected between the front cavity wall and the rear cavity wall of the wide transmission belt cavity in the middle of the wide transmission belt; the reciprocating mechanism is arranged in the reciprocating cavity and comprises a reciprocating seat fixing rod fixedly connected between the left cavity wall and the right cavity wall of the reciprocating cavity, a reciprocating seat is slidably connected onto the reciprocating seat fixing rod and connected with a push-back spring at the left end of the reciprocating seat and fixedly connected between the left cavity wall and the left cavity wall of the reciprocating cavity, a switching rod cavity with a left opening and a right opening is arranged at the upper side part of the reciprocating seat, a switching rod is slidably connected into the switching rod cavity, a positioning cavity with a downward opening is arranged in the upper cavity wall at the left side part of the switching rod cavity, a positioning head is slidably connected into the positioning cavity and fixedly connected between the positioning head and the upper cavity wall of the positioning cavity, two positioning holes with upward openings are arranged at the position corresponding to the positioning head on the upper end surface of the switching rod, a friction rod cavity with an upward opening is arranged at the inner position of the upper end surface of the reciprocating seat, a lifting rod fixing shaft is rotatably connected between the front cavity wall and the rear cavity wall of the friction rod cavity, and a lifting rod fixing shaft is fixedly connected onto the lifting rod fixing shaft The upper end of the right side part of the lifting rod is fixedly connected with a friction plate which can be contacted with the wide transmission belt, the lifting rod is hinged with a connecting rod, and the other end of the connecting rod is hinged with the position of the switching rod; a scraper seat fixing cavity with a downward opening is formed in the lower end face of the reciprocating seat, a scraper mechanism is arranged in the scraper seat fixing cavity, the scraper mechanism comprises a scraper seat fixing rod fixedly connected between the left cavity wall and the right cavity wall of the lower side part of the scraper seat fixing cavity, a scraper seat is connected onto the scraper seat fixing rod in a sliding mode, a scraper seat resistance spring is fixedly connected between the right end face of the scraper seat and the right cavity wall of the scraper seat fixing cavity, a scraper cavity with a downward opening is formed in the front side of the lower end of the scraper seat, a scraper fixing shaft is rotatably connected between the front cavity wall and the rear cavity wall of the scraper cavity, a scraper is rotatably connected onto the scraper fixing shaft, a spring piece is fixedly connected between the scraper position and the corresponding cavity wall of the scraper cavity, and absorbent cotton is fixedly connected onto the upper end face of the left side of the scraper; still be equipped with out liquid mechanism in the seat of reciprocating motion, including establishing stock solution chamber in the seat of reciprocating motion, opening intercommunication about stock solution chamber downside front chamber wall internal position is equipped with stock solution chamber and outside liquid outlet just the liquid outlet is in exit fixedly connected with upper swivel, upper swivel goes up fixed connection and intercommunication has the pipe, the other end fixedly connected with lower swivel of pipe just lower swivel with the fixed position of scraper blade seat left end face is connected, be equipped with in the scraper blade seat liquid outlet channel with lower swivel intercommunication just go out liquid channel side from the position with scraper blade chamber intercommunication, scraper blade seat upper end fixedly connected with connecting plate, connecting plate left end face position fixedly connected with valve rod just the valve rod passes stock solution chamber and with the position fixedly connected with that the liquid outlet corresponds removes the sealing washer, the seat of reciprocating motion the valve rod passes fixedly connected with fixed sealing washer just fixed sealing washer with of department of fixing sealing washer with of valve rod The two parts are connected in a sliding way; a fan mechanism is arranged in the fan cavity and comprises a ventilating plate fixedly connected to the right opening, a fan shaft is rotatably connected between the front cavity wall and the rear cavity wall of the left part of the narrow conveying belt cavity, the front end of the fan shaft extends into the fan cavity and is fixedly connected with a fan, a driven belt pulley is fixedly connected to the fan shaft in the narrow conveying belt cavity, the rear part of the motor shaft penetrates through the narrow conveying belt cavity and is fixedly connected with a driving belt pulley in the narrow conveying belt cavity, and a belt is arranged between the driving belt pulley and the driven belt pulley; a finger groove with a forward opening is arranged in the front end face of the main machine, and the friction force between the friction plate and the wide transmission belt is greater than the elastic force of the push-back spring; in the standby state, the push-back spring relaxes, the reciprocating seat is positioned on the right side, the switching rod is positioned on the left side of the switching rod cavity at the moment, the connecting rod jacks the lifting rod, the friction plate is in contact with the wide transmission belt, when the reciprocating seat moves to the left end, the left end of the switching rod is pressed down by the left cavity wall of the reciprocating cavity, the switching rod is switched to the position through the positioning head sliding positioning hole, the switching rod drives the lifting rod to descend through the connecting rod at the moment so that the friction plate is not in contact with the wide transmission belt, the reciprocating seat moves to the right under the pushing of the push-back spring and pushes down the switching rod again so that the lifting rod is lifted, and the friction plate is in contact with the wide transmission belt again and moves to the left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507359.XA CN112373041B (en) | 2020-12-18 | 2020-12-18 | Automatic scraping device for hot bed bottom plate of FDM printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507359.XA CN112373041B (en) | 2020-12-18 | 2020-12-18 | Automatic scraping device for hot bed bottom plate of FDM printer |
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| Publication Number | Publication Date |
|---|---|
| CN112373041A CN112373041A (en) | 2021-02-19 |
| CN112373041B true CN112373041B (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011507359.XA Active CN112373041B (en) | 2020-12-18 | 2020-12-18 | Automatic scraping device for hot bed bottom plate of FDM printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2526341A (en) * | 2014-05-21 | 2015-11-25 | Digital Metal Ab | A flow cabinet system for cleaning at least one object |
| CN104959333B (en) * | 2015-06-26 | 2017-01-25 | 来安县新元机电设备设计有限公司 | Surface glue removing and cleaning device for liquid crystal display polarizer |
| US10603837B2 (en) * | 2016-04-27 | 2020-03-31 | Xerox Corporation | Belt leveling of layers in a part printed by additive manufacturing |
| CN109049985A (en) * | 2018-09-19 | 2018-12-21 | 武汉易制科技有限公司 | A kind of automatic cleaning apparatus of inkjet style printer piezoelectric type spray head |
| CN211763548U (en) * | 2019-12-26 | 2020-10-27 | 陈碧玉 | Panel cleaning device for 3D printer |
| CN111139774A (en) * | 2020-02-14 | 2020-05-12 | 新昌冰银智能技术有限公司 | Hand-push type sweeper for scraping viscous dirt on road surface through freezing |
| CN111745947A (en) * | 2020-07-07 | 2020-10-09 | 张苏芬 | Automatic sticking film machine of cell-phone |
| CN111958303A (en) * | 2020-08-31 | 2020-11-20 | 杭州悟伦机械科技有限公司 | Device is alternated in cooling clearance of milling process |
| CN111963757A (en) * | 2020-09-02 | 2020-11-20 | 杭州可慧机械科技有限公司 | Water pipe valve with anti-blocking function |
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2020
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