CN108437460B - A shock attenuation formula automatic levelling device for 3D printer - Google Patents
A shock attenuation formula automatic levelling device for 3D printer Download PDFInfo
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- CN108437460B CN108437460B CN201810420375.1A CN201810420375A CN108437460B CN 108437460 B CN108437460 B CN 108437460B CN 201810420375 A CN201810420375 A CN 201810420375A CN 108437460 B CN108437460 B CN 108437460B
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
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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
- B29C64/386—Data acquisition or data processing for additive manufacturing
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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
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Optics & Photonics (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a damping type automatic leveling device for a 3D printer, which comprises a fixed supporting device, wherein the upper surface of the fixed supporting device is provided with a damping device, the upper part of the damping device is movably connected with the fixed supporting device, the damping device is fixedly provided with a damping and rebound prevention device, a horizontal adjusting device is arranged above the damping device and is movably connected with the fixed supporting device through a movable connecting piece, the lower bottom surface of the horizontal adjusting device is fixedly connected with a horizontal detection device through a suspender, and the horizontal detection device is electrically connected with an automatic control system, so the invention not only has good shock absorption effect, and the shock absorption process can not cause rebound, the printing quality of the 3D printer is effectively ensured, meanwhile, the invention can also accurately detect the horizontal position and level in time, thereby preventing the printed product of the 3D printer from tilting.
Description
Technical Field
The invention relates to the field of 3D printers, in particular to a damping type automatic leveling device for a 3D printer.
Background
A 3D printer, also known as a three-dimensional printer (3DP), is a machine that is an additive manufacturing technique, i.e., a rapid prototyping technique, which is based on a digital model file, and manufactures a three-dimensional object by printing a layer of adhesive material on a layer by layer using an adhesive material such as a special wax material, powdered metal, or plastic. State of the art three-dimensional printers are used to manufacture products. Techniques for building objects in a layer-by-layer printing manner. The principle of the 3D printer is that data and raw materials are put into the 3D printer, and the machine can build the product layer by layer according to the program.
The 3D printer differs from the traditional printer in that the "ink" used in it is a real raw material, and the form of the stacked thin layers is various, and the media available for printing are various, from a wide range of plastics to metals, ceramics and rubber-like substances. Some printers can also combine different media to make one end of the printed object hard and the other soft.
The 3D printing brings a worldwide manufacturing revolution, whether the part design completely depends on the production process can be realized or not is the past, and the production idea can be overturned by the 3D printer, so that the production process problem is not considered when an enterprise produces the part, and the design of any complex shape can be realized by the 3D printer.
However, the existing damping type automatic leveling device for the 3D printer has the following defects:
(1) in the process of using the damping type automatic leveling device for the 3D printer in the prior art, the automatic leveling device can only carry out rough adjustment, so that the model base for 3D printing is uneven, the appearance of a printed product is inclined, and the like, so that the phenomenon of unqualified quality is caused, and certain defects exist;
(2) in the prior art, springs or other elastic substances are mostly adopted as damping media for the damping type automatic leveling device for the 3D printer, and the springs or other elastic substances can rebound after absorbing vibration energy to cause the vibration of the whole device, so that the product quality of the 3D printer is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the damping type automatic leveling device for the 3D printer, which not only can effectively solve the problem of rebound vibration in the damping process, but also can automatically and accurately perform the leveling task, greatly improves the quality of the 3D printer product, and can effectively solve the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a shock attenuation formula automatic leveling device for 3D printer, includes fixed support device, fixed support device upper surface is equipped with damping device, and damping device upper portion and fixed support device swing joint, damping device is last fixed mounting to have the shock attenuation to prevent the bounce-back device, the damping device top is equipped with horizontal adjustment device, horizontal adjustment device passes through swing joint spare and fixed support device swing joint, horizontal adjustment device lower bottom surface has horizontal detection device through jib fixed connection, horizontal detection device electric connection has automatic control system.
Further, the fixed support device comprises a support plate, support rods are fixedly mounted on four corners of the support plate, a limiting plate is fixedly mounted at the top end of each support rod, a movable sleeve is movably arranged on each support rod, an annular sliding groove with a semicircular cross section is formed in each movable sleeve, and a plurality of balls are movably arranged between each annular sliding groove and each support rod.
Further, damping device includes the damper cylinder, the activity of damper cylinder inner wall is equipped with damping piston, damping piston and damper cylinder bottom fixedly connected with damping spring, the central point on damping piston top puts fixed mounting has the shock attenuation pole, the shock attenuation pole passes through spacing ring swing joint with the damper cylinder top, the shock attenuation pole left side is equidistant to be equipped with a plurality of draw-in grooves, shock attenuation pole top fixed mounting has the shock attenuation board.
Further, the anti-rebound device is prevented in shock attenuation includes the buffer cylinder, the buffer cylinder bottom is connected with the buffer cylinder bottom, the buffer cylinder bottom still is equipped with discharge valve, be connected with the sealed tube between buffer cylinder upper portion and the buffer cylinder, the sealed tube middle part is equipped with the groove that resets, the activity is equipped with the transfer line in the sealed tube, the transfer line right-hand member passes buffer cylinder left surface and fixedly connected with screens piece, transfer line middle part fixed mounting has the bullet piece that resets, and is connected with reset spring between bullet piece and the groove right bottom surface that resets, transfer line left surface fixed mounting has the transmission piece, transmission piece left surface sliding contact has the propulsion piece, propulsion piece sliding mounting is on the buffer cylinder inner wall, bottom surface fixedly connected with buffer piston under the propulsion piece, buffer piston and buffer cylinder inner wall sliding contact.
Further, the clamping block is matched with the clamping groove in shape, the clamping block is of a cylindrical structure with a section being a quarter circle, and the transmission block and the pushing block are both of triangular prism structures.
Further, the horizontal adjusting device comprises four adjusting cylinders fixedly mounted at four corners of the damping plate, a bearing plate is movably mounted at the tops of the four adjusting cylinders, and a placing groove is formed in the upper surface of the bearing plate.
Further, the movable connecting piece includes the globular connection pad of fixed mounting on the movable sleeve, globular connection pad top is equipped with the filling hole, globular connection pad activity is equipped with spherical movable block, the movable block right side is connected with the telescopic link, the telescopic link includes interior pole and outer pole, interior pole and outer pole swing joint, interior pole left end and movable block fixed connection, interior pole right-hand member fixed mounting has spacing dish, outer pole left end fixed mounting has the stop collar, outer pole right-hand member and loading board fixed connection.
Furthermore, lubricating oil is added into the spherical connecting disc through a filling hole.
Further, the level detection device comprises a detection disc fixedly installed at the bottom end of the hanging rod, a detection groove is formed in the detection disc, a protection groove is formed in the center of the bottom surface of the detection groove, an ejector block is movably arranged in the protection groove, a detection steel ball is movably arranged on the upper surface of the ejector block, an adjusting bolt is fixedly installed on the bottom surface of the ejector block and penetrates through the bottom surface of the detection disc and is in threaded connection with the bottom surface of the detection disc, and an adjusting handle is fixedly installed at the bottom end of the adjusting bolt.
Further, the automatic control system comprises a single chip microcomputer, the single chip microcomputer is electrically connected with a silicon controlled rectifier and an analog-to-digital conversion module, the silicon controlled rectifier is electrically connected with a power input end of the adjusting cylinder, the analog-to-digital conversion module is electrically connected with a plurality of pressure sensors, and the pressure sensors are circumferentially distributed and fixedly installed in the detection groove.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the damping device, mechanical energy generated by external vibration is converted into elastic potential energy of the damping spring and heat energy generated when air is compressed, so that the vibration amplitude of the 3D printer is reduced, a damping effect is achieved, and the working stability of the 3D printer is improved;
(2) the damping and anti-rebound device achieves the purpose of damping through compressed air, and meanwhile, the elastic potential energy generated when a damping spring in the damping device damps the vibration can be stored, so that the vibration caused by the release of the elastic potential energy in the damping spring 203 is prevented;
(3) the horizontal detection device of the invention detects the horizontal position by detecting the rolling position of the steel ball, can effectively detect the inclined position of the bearing plate, improves the working progress of the horizontal adjustment device, and prevents the product printed by the 3D printer from inclining.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the shock absorbing device and the shock absorbing anti-rebound device of the present invention;
FIG. 3 is a schematic structural view of the telescopic rod of the present invention;
FIG. 4 is a schematic structural diagram of a level detecting device according to the present invention;
FIG. 5 is a schematic top view of the horizontal inspection apparatus of the present invention;
FIG. 6 is a schematic diagram of an automatic control system according to the present invention.
Reference numbers in the figures:
1-fixing a support device; 2-a damping device; 3-damping and anti-bouncing devices; 4-horizontal adjusting device; 5-a movable connecting piece; 6-a suspender; 7-a level detection device; 8-an automatic control system; 9-lubricating oil;
101-a support plate; 102-a support bar; 103-a limiting plate; 104-a movable sleeve; 105-an annular chute; 106-a ball bearing;
201-a damper cylinder; 202-a damping piston; 203-damping spring; 204-a shock-absorbing rod; 205-card slot; 206-a shock absorbing plate; 207-a limit ring;
301-buffer cylinder; 302-exhaust valve; 303-sealing the tube; 304-a reset slot; 305-a transmission rod; 306-a block of stuck bits; 307-a return spring; 308-transmission is fast; 309-a propelling block; 310-a buffer piston; 311-reset elastic block;
401-adjusting the cylinder; 402-a carrier plate; 403-placing a groove;
501-spherical connecting disc; 502-filling hole; 503-moving block; 504-a telescopic rod;
701-detecting a disc; 702-a detection groove; 703-a protective slot; 704-a top block; 705-adjusting the bolt; 706-adjusting the handle; 707-detecting a steel ball;
801-single chip microcomputer; 802-thyristor; 803-analog-to-digital conversion module; 804-a pressure sensor;
5041-inner rod; 5042-an outer pole; 5043-limit plate; 5044-stop collar.
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.
As shown in fig. 1 to 6, the invention provides a damping type automatic leveling device for a 3D printer, which comprises a fixed support device 1, wherein a damping device 2 is arranged on the upper surface of the fixed support device 1, the upper part of the damping device 2 is movably connected with the fixed support device 1, a damping and anti-rebound device 3 is fixedly arranged on the damping device 2, a horizontal adjusting device 4 is arranged above the damping device 2, the horizontal adjusting device 4 is movably connected with the fixed support device 1 through a movable connecting piece 5, the lower bottom surface of the horizontal adjusting device 5 is fixedly connected with a horizontal detection device 7 through a hanger rod 6, and the horizontal detection device 7 is electrically connected with an automatic control system 8.
In the embodiment, the fixed supporting device 1 provides a platform for installing and supporting the whole device, the damping device 2 converts mechanical energy during vibration into elastic potential energy of a spring, so that the vibration amplitude is reduced to achieve the purpose of damping, the damping and anti-rebound device 3 realizes the purpose of damping through compressed air, and simultaneously can also store the elastic potential energy generated during damping in the damping device 2, so as to prevent the vibration caused by the release of the elastic potential energy in the damping device 2, the matching of the damping device 2 and the damping and anti-rebound device 3 realizes a good damping function, and simultaneously can also avoid the rebound vibration caused after damping, thereby effectively ensuring the printing quality of the 3D printer, the horizontal adjusting device 4 adjusts the horizontal position, so that the printing platform is in a horizontal state, and the phenomenon that a printing product of the 3D printer is always inclined is prevented, the movable connecting piece 5 is used as an intermediate connecting piece for the horizontal adjusting device 4 and the fixed supporting device 1, a movable space range can be provided for the horizontal adjusting device 4, the position can be conveniently adjusted, the horizontal detecting device 7 detects the position of the horizontal adjusting device 4 in real time, a detection result is transmitted to the automatic control system 8, the automatic control system 8 analyzes the position information of the transmitted horizontal adjusting device 4 and makes corresponding processing according to an analysis result, the automatic control system 8 transmits a corresponding processing signal to the horizontal adjusting device 4, and the horizontal adjusting device 4 adjusts the position of the horizontal adjusting device 4 to reach the horizontal position.
The fixed supporting device 1 comprises a supporting plate 101, supporting rods 102 are fixedly mounted on four corners of the supporting plate 101, a limiting plate 103 is fixedly mounted at the top end of each supporting rod 102, a movable sleeve 104 is movably arranged on each supporting rod 102, an annular sliding groove 105 with a semicircular cross section is formed in each movable sleeve 104, and a plurality of balls 106 are movably arranged between each annular sliding groove 105 and each supporting rod 102.
In the embodiment, the fixed supporting device 1 provides a platform for mounting and supporting the whole device, and in the embodiment, the movable sleeve 104 and the supporting rod 102 achieve the purpose of transmission through the balls 106, so that the resistance of the movable sleeve 104 during up-and-down sliding is reduced, and the subsequent horizontal adjusting device 4 can conveniently adjust the position.
In this embodiment, damping device 2 turns into damping spring 203's elastic potential energy with the mechanical energy that external vibration produced, has reduced the range of 3D printer vibration, has played absorbing effect, has promoted the stability of 3D printer during operation.
In this embodiment, the cooperation of shock attenuation pole 204 and shock attenuation board 206, the platform that provides the support for external device, when external conditions caused the device vibration, the mechanical energy that the vibration produced loops through shock attenuation board 206, shock attenuation pole 204 and shock attenuation piston 202 transmit damping spring 203 on, damping spring 203 turns into the elastic potential energy of self with the mechanical energy that the vibration carried, the vibration amplitude of whole device has been reduced, thereby reach the absorbing effect, the printing quality of 3D printer has been promoted.
The damping piston 202 compresses air in the damping cylinder 201 in the moving process, mechanical energy generated by external vibration is converted into heat energy generated in air compression, a certain damping effect is achieved, the damping rod 204 is in sliding contact with the inner ring of the limiting ring 207, and the damping rod 204 is prevented from inclining and failing to achieve a good supporting effect through the limiting effect of the limiting ring 207.
The shock-absorbing and anti-rebound device 3 comprises a buffer cylinder 301, the bottom of the buffer cylinder 301 is connected with the bottom of the shock-absorbing cylinder 201, an exhaust valve 302 is further arranged at the bottom of the buffer cylinder 301, a sealing pipe 303 is connected between the upper part of the buffer cylinder 301 and the shock absorption cylinder 201, a reset groove 304 is arranged in the middle of the sealing tube 303, a transmission rod 305 is movably arranged in the sealing tube 303, the right end of the driving rod 305 penetrates through the left side surface of the shock absorption cylinder 201 and is fixedly connected with a clamping block 306, the middle part of the driving rod 305 is fixedly provided with a reset elastic block 311, and a return spring 307 is connected between the return elastic block 311 and the right bottom surface of the return groove 304, a transmission block 308 is fixedly arranged at the left end of the transmission rod 305, a pushing block 309 is in sliding contact with the left side surface of the transmission block 308, the propelling block 309 is slidably mounted on the inner wall of the buffer cylinder 301, a buffer piston 310 is fixedly connected to the lower bottom surface of the propelling block 309, and the buffer piston 310 is in sliding contact with the inner wall of the buffer cylinder 301.
In this embodiment, the damping and anti-rebound device 3 achieves the purpose of damping by compressing air, and simultaneously can store the elastic potential energy generated when the damping spring 203 in the damping device 2 damps the vibration, thereby preventing the vibration caused by the release of the elastic potential energy in the damping spring 203.
In this embodiment, the specific working flow of the shock-absorbing and anti-rebound device 3 is as follows:
(1) damping: when the external environment causes the device to vibrate, the damping device 2 has a first layer of damping effect, when the damping device 2 realizes the damping effect, the damping piston 202 moves downwards, the air at the bottom of the damping cylinder 201 is compressed, the air pressure is increased, meanwhile, the air pressure value at the bottom of the buffering cylinder 301 connected with the bottom of the damping cylinder 201 is increased along with the increase of the air pressure value, the buffering piston 310 moves upwards, the air at the upper part of the buffering cylinder 301 is compressed, the mechanical energy generated by the mechanical vibration is converted into the heat energy generated by the air compression, the amplitude of the mechanical vibration is reduced, and a certain buffering effect is achieved;
(2) anti-rebound: in the working process of the damping device 2, the damping piston 202 moves downwards, the damping rod 204 connected with the damping piston 202 also moves downwards along with the damping piston 202, meanwhile, the bottom of the damping piston 310 is in positive pressure, so that the damping piston 310 bears upward thrust, the damping piston 310 in the damping cylinder 301 moves upwards, the pushing block 309 located on the upper surface of the damping piston 310 moves upwards, the vertical movement is converted into the movement of the transmission rod 305 in the horizontal direction through the transmission block 308, the transmission rod 305 moves rightwards, the clamping block 306 is pushed to enter the clamping groove 205, the damping rod 204 is clamped, the elastic potential stored in the damping spring 203 cannot be released, and the damping rod 204 cannot move upwards;
(3) and (4) recovering the initial state: namely, the elastic potential energy stored in the damping spring 203 is released, and the specific steps are as follows: the exhaust valve 302 is opened, the air compressed at the bottom of the shock absorbing cylinder 201 and the buffer cylinder 301 is exhausted, at this time, the buffer piston 310 is not subjected to the upward thrust generated by the air pressure difference, the transmission rod 305 pushes the transmission rod 305 to move leftwards under the action of the elastic force of the return spring 307, the clamping block 306 is drawn out from the clamping groove 205, the shock absorbing rod 204 is not limited, and the shock absorbing rod can move upwards and release the elastic potential energy stored in the shock absorbing spring 203.
The shape of the clamping block 306 is matched with that of the clamping groove 205, the clamping block 306 is of a cylindrical structure with a section being a quarter circle, and the transmission block 308 and the pushing block 309 are both of triangular prism structures.
In this embodiment, the clamping block 306 and the slot 205 are arranged in a quarter circle structure, and have a function of one-way motion, that is, the shock absorbing rod 204 can only move downwards, so that the shock absorbing rod 204 is prevented from rebounding and vibrating due to upward movement, the transmission block 308 and the pushing block 309 are arranged in a triangular prism structure, so that the movement in the vertical direction can be converted into the movement in the horizontal direction, the limit blocking of the shock absorbing rod 204 is realized, and the rebounding is prevented.
The horizontal adjusting device 4 comprises four adjusting cylinders 401 fixedly mounted at four corners of the damping plate 206, a bearing plate 402 is movably mounted at the tops of the four adjusting cylinders 401, and a placing groove 403 is formed in the upper surface of the bearing plate 402.
This implementation level adjustment device 4 carries out the adjustment of horizontal position through the relative position of four adjustment cylinder 401 piston rod extension lengths of adjustment, and in this embodiment, adjustment cylinder 401 chooses for use electric cylinder, and the automatic control system 8 of follow-up being convenient for carries out the automatic adjustment of horizontal position, prevents the setting of groove 403, prevents that the object of support from landing from shock attenuation board 206.
The movable connecting piece 5 includes spherical connection pad 501 of fixed mounting on movable sleeve 104, spherical connection pad 501 top is equipped with filling hole 502, spherical connection pad 501 activity is equipped with spherical movable block 503, movable block 503 right side is connected with telescopic link 504, telescopic link 504 includes interior pole 5041 and outer pole 5042, interior pole 5041 and outer pole 5042 swing joint, interior pole 5041 left end and movable block 503 fixed connection, interior pole 5041 right-hand member fixed mounting has spacing disc 5043, outer pole 5042 left end fixed mounting has stop collar 5044, outer pole 5042 right-hand member and loading board 402 fixed connection.
In this embodiment, the movable connecting member 5 serves as an intermediate connecting member between the leveling device 4 and the fixed support device 1, and can provide a movable space range for the leveling device 4, thereby facilitating position adjustment.
In this embodiment, the movable block 503 slides in the spherical connecting pad 501, so that the movement direction of the telescopic rod 504 can be changed, and when the bearing plate 402 connected to the end of the telescopic rod 504 moves upwards, the telescopic rod 504 changes the connection length between the movable block 503 and the bearing plate 402 by stretching and contracting, and the counterclockwise rotation of the telescopic rod 504 is realized by the rotation of the movable block 503; when the bearing plate 402 moves downwards, the telescopic rod 504 changes the connection length between the movable block 503 and the bearing plate 402 by telescoping, and simultaneously, the clockwise rotation of the telescopic rod 504 is realized by the rotation of the movable block 503.
Wherein the telescopic rod 504 is hinged with the bearing plate 402, and the arrangement of the limit disc 5043 and the limit sleeve 5044 prevents the inner rod 5041 and the outer rod 5042 from falling off.
Lubricating oil 9 is added to the spherical connecting disc 501 through a filling hole 502.
In the present embodiment, the addition of the lubricant oil 9 can reduce the friction between the spherical land 501 and the movable block 503 and also reduce the wear.
The horizontal detection device 7 comprises a detection disc 701 fixedly installed at the bottom end of the hanging rod 6, a detection groove 702 is arranged in the detection disc 701, a protection groove 703 is formed in the center of the bottom surface of the detection groove 702, an ejector block 704 is movably arranged in the protection groove 703, a detection steel ball 707 is movably arranged on the upper surface of the ejector block 704, an adjusting bolt 705 is fixedly installed on the bottom surface of the ejector block 704, the adjusting bolt 705 penetrates through the bottom surface of the detection disc 701 and is in threaded connection with the bottom surface of the detection disc 701, and an adjusting handle 706 is fixedly installed at the bottom end of the adjusting bolt 705.
In this embodiment, the horizontal detection device 7 detects the horizontal position of the supporting surface, the detection plate 701 is parallel to the bearing plate 402, the horizontal angle between the detection plate 701 and the bearing plate 402 is the same, and the specific detection principle of the horizontal detection device 7 is as follows: because the detection disc 701 is fixedly connected with the bearing plate 402, the detection disc 701 and the bearing plate 402 keep synchronous inclination, when the bearing plate 402 inclines, the detection disc 701 inclines together, the detection steel balls 707 in the center of the detection disc 701 slide down from the top block 704 and roll towards a lower position, and the inclination angle of the bearing plate 402 can be known by detecting the positions of the detection steel balls.
In this embodiment, when the horizontal position detection is not required, the handle 706 is rotated, the adjusting bolt 705 moves downward, the top block 704 connected to the top of the adjusting bolt 705 also moves downward along with the adjusting bolt, and falls into the protection groove 703, the detection steel ball 707 is limited by the protection groove 703 and cannot slide on the surface of the detection plate 701, and the subsequent detection result is prevented from being affected.
The automatic control system 8 comprises a single chip microcomputer 801, the single chip microcomputer 801 is electrically connected with a silicon controlled rectifier 802 and an analog-to-digital conversion module 803, the silicon controlled rectifier 802 is electrically connected with a power supply input end of the adjusting cylinder 401, the analog-to-digital conversion module 803 is electrically connected with a plurality of pressure sensors 804, and the pressure sensors 804 are circumferentially distributed and fixedly installed in the detection groove 702.
In this embodiment, the automatic control system 8 analyzes the transmitted position information of the leveling device 4 and performs corresponding processing according to the analysis result, the automatic control system 8 transmits a corresponding processing signal to the leveling device 4, and the leveling device 4 adjusts its position to reach a horizontal position.
In this embodiment, the pressure sensor 804 is installed in the detection groove 702, the detection surface of the pressure sensor 804 is flush with the upper surface of the detection disc 701, the pressure sensor 804 is circumferentially distributed and can detect different inclination angles, the single chip microcomputer 801 can select an STC89C51 type single chip microcomputer to analyze and process information, the thyristor 802 serves as a switch device and can perform electrical on-off control according to a control signal sent by the single chip microcomputer 801, and the analog-to-digital conversion module 803 converts an analog signal detected by the pressure sensor 804 into a digital signal and transmits the digital signal to the single chip microcomputer 801 to process the digital signal.
The specific working principle of the automatic control system 8 is as follows: when the bearing plate 402 is inclined, the detection steel balls 707 on the detection plate 701 roll into the detection grooves 702, the detection steel balls 707 roll onto the pressure sensors 804, the positions of the detection steel balls 707 can be detected by the pressure sensors 804 at different positions, the inclined position of the bearing plate is further determined, the pressure sensors 804 transmit detected analog signals to the analog-to-digital conversion module 803, the analog-to-digital conversion module 803 converts the analog signals into digital signals and transmits the digital signals to the single chip microcomputer 801 to be analyzed, and the single chip microcomputer 801 sends driving signals to the silicon controlled rectifier 802 to drive the adjustment cylinder 401 to work to adjust the horizontal position after acquiring the inclined position of the bearing plate 402.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a shock attenuation formula automatic leveling device for 3D printer, includes fixed strutting arrangement (1), its characterized in that: fixed bolster device (1) upper surface is equipped with damping device (2), and damping device (2) upper portion and fixed bolster device (1) swing joint, damping device (2) are gone up fixed mounting and are prevented bounce-back device (3) in the shock attenuation, damping device (2) top is equipped with horizontal adjustment device (4), horizontal adjustment device (4) are through swing joint spare (5) and fixed bolster device (1) swing joint, horizontal adjustment device (5) lower bottom surface has horizontal detection device (7) through jib (6) fixed connection, horizontal detection device (7) electric connection has automatic control system (8).
2. The shock absorbing auto leveling device for 3D printer according to claim 1 wherein: fixed strutting arrangement (1) is including backup pad (101), equal fixed mounting has bracing piece (102) in backup pad (101) four corners, bracing piece (102) top fixed mounting has limiting plate (103), the activity is equipped with movable sleeve (104) on bracing piece (102), be equipped with cross-section semicircular annular spout (105) in movable sleeve (104), the activity is equipped with a plurality of balls (106) between annular spout (105) and bracing piece (102).
3. The shock absorbing auto leveling device for 3D printer according to claim 1 wherein: damping device (2) are including damper cylinder (201), damper cylinder (201) inner wall activity is equipped with damping piston (202), damping piston (202) and damper cylinder (201) bottom fixedly connected with damping spring (203), the central point on damping piston (202) top puts fixed mounting has shock attenuation pole (204), spacing ring (207) swing joint is passed through on shock attenuation pole (204) and damper cylinder (201) top, shock attenuation pole (204) left side is equidistant to be equipped with a plurality of draw-in grooves (205), shock attenuation pole (204) top fixed mounting has shock attenuation board (206).
4. The shock absorbing auto leveling device for 3D printer according to claim 1 wherein: the damping and anti-rebound device (3) comprises a buffer cylinder (301), the bottom of the buffer cylinder (301) is connected with the bottom of a shock absorption cylinder (201), an exhaust valve (302) is further arranged at the bottom of the buffer cylinder (301), a sealing pipe (303) is connected between the upper part of the buffer cylinder (301) and the shock absorption cylinder (201), a reset groove (304) is formed in the middle of the sealing pipe (303), a transmission rod (305) is movably arranged in the sealing pipe (303), the right end of the transmission rod (305) penetrates through the left side surface of the shock absorption cylinder (201) and is fixedly connected with a clamping block (306), a reset elastic block (311) is fixedly installed in the middle of the transmission rod (305), a reset spring (307) is connected between the reset elastic block (311) and the right bottom surface of the reset groove (304), a transmission block (308) is fixedly installed at the left end of the transmission rod (305), and a propelling block (309, the propelling block (309) is slidably mounted on the inner wall of the buffer cylinder (301), the lower bottom surface of the propelling block (309) is fixedly connected with a buffer piston (310), and the buffer piston (310) is in sliding contact with the inner wall of the buffer cylinder (301).
5. The shock absorbing auto leveling device for 3D printer according to claim 4 characterized by: the clamping block (306) is matched with the clamping groove (205) in shape, the clamping block (306) is of a column structure with a quarter circle cross section, and the transmission block (308) and the pushing block (309) are both of triangular prism structures.
6. The shock absorbing auto leveling device for 3D printer according to claim 1 wherein: the horizontal adjusting device (4) comprises four adjusting cylinders (401) fixedly mounted at four corners of a damping plate (206), a bearing plate (402) is movably mounted at the tops of the four adjusting cylinders (401), and a placing groove (403) is formed in the upper surface of the bearing plate (402).
7. The shock absorbing auto leveling device for 3D printer according to claim 1 wherein: activity connecting piece (5) include spherical connection pad (501) of fixed mounting on movable sleeve (104), spherical connection pad (501) top is equipped with filling hole (502), activity of spherical connection pad (501) is equipped with spherical movable block (503), movable block (503) right side is connected with telescopic link (504), telescopic link (504) are including interior pole (5041) and outer pole (5042), interior pole (5041) and outer pole (5042) swing joint, interior pole (5041) left end and movable block (503) fixed connection, interior pole (5041) right-hand member fixed mounting has spacing dish (5043), outer pole (5042) left end fixed mounting has stop collar (5044), outer pole (5042) right-hand member and loading board (402) fixed connection.
8. The shock absorbing auto leveling device for 3D printer according to claim 7 wherein: lubricating oil (9) is added into the spherical connecting disc (501) through a filling hole (502).
9. The shock absorbing auto leveling device for 3D printer according to claim 1 wherein: horizontal detection device (7) are including detection dish (701) of fixed mounting in jib (6) bottom, be equipped with in detection dish (701) and detect recess (702), the central point of bottom surface puts and is equipped with protection groove (703) under detection recess (702), protection groove (703) internalization is equipped with kicking block (704), kicking block (704) upper surface activity is equipped with and detects steel ball (707), bottom surface fixed mounting has adjusting bolt (705) under kicking block (704), adjusting bolt (705) pass detection dish (701) bottom surface down and with detect dish (701) bottom surface threaded connection down, adjusting bolt (705) bottom fixed mounting has regulation handle (706).
10. The shock absorbing auto leveling device for 3D printer according to claim 1 wherein: the automatic control system (8) comprises a single chip microcomputer (801), the single chip microcomputer (801) is electrically connected with a silicon controlled rectifier (802) and an analog-to-digital conversion module (803), the silicon controlled rectifier (802) is electrically connected with a power input end of the adjusting cylinder (401), the analog-to-digital conversion module (803) is electrically connected with a plurality of pressure sensors (804), and the pressure sensors (804) are circumferentially distributed and fixedly installed in the detection groove (702).
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| CN201810420375.1A CN108437460B (en) | 2018-05-04 | 2018-05-04 | A shock attenuation formula automatic levelling device for 3D printer |
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| CN201810420375.1A CN108437460B (en) | 2018-05-04 | 2018-05-04 | A shock attenuation formula automatic levelling device for 3D printer |
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| CN109049707B (en) * | 2018-10-10 | 2020-09-18 | 晋中学院 | New-type multi-functional 3D prints auxiliary device |
| CN109367004A (en) * | 2018-11-22 | 2019-02-22 | 浙江海洋大学 | A kind of sea mobile 3 D print platform |
| CN110481026B (en) * | 2019-08-15 | 2021-08-17 | 芜湖职业技术学院 | 3D printer vibration damping mount |
| US20210101339A1 (en) * | 2019-10-07 | 2021-04-08 | Collin Boring | 3d printing system |
| CN110895220B (en) * | 2020-01-20 | 2021-01-29 | 兰州大学 | Pathological specimen embedding device |
| CN112025769B (en) * | 2020-09-02 | 2021-09-21 | 张胜伟 | Damping table suitable for precision measurement robot |
| CN112297431B (en) * | 2020-10-15 | 2022-03-25 | 黎图(晋江)科技有限公司 | High-precision 3D printer with camera |
| CN112366409B (en) * | 2020-11-09 | 2022-11-01 | 湖南宝特瑞能新能源有限责任公司 | Protective damping mechanism of vehicle-mounted lithium battery |
| CN113213271B (en) * | 2021-05-12 | 2022-12-20 | 盐城工业职业技术学院 | Electronic tensioner based on winding machine |
| DE102022115097A1 (en) | 2022-06-15 | 2023-12-21 | Nikon Slm Solutions Ag | Lifting device for a carrier device of a system for the additive production of a three-dimensional workpiece |
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