CN110695314A - 3D prints work box device and 3D printing apparatus - Google Patents
3D prints work box device and 3D printing apparatus Download PDFInfo
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- CN110695314A CN110695314A CN201911169899.9A CN201911169899A CN110695314A CN 110695314 A CN110695314 A CN 110695314A CN 201911169899 A CN201911169899 A CN 201911169899A CN 110695314 A CN110695314 A CN 110695314A
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- 238000010146 3D printing Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 99
- 230000033001 locomotion Effects 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000007723 transport mechanism Effects 0.000 claims description 3
- 238000007639 printing Methods 0.000 abstract description 51
- 239000004576 sand Substances 0.000 description 12
- 239000000843 powder Substances 0.000 description 9
- 239000000725 suspension Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000003892 spreading Methods 0.000 description 7
- 230000007480 spreading Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention relates to a 3D printing work box device and 3D printing equipment. The 3D printing equipment comprises a 3D printing work box device. The work box device includes: the device comprises an installation frame, a linear motion mechanism and a plurality of groups of grabbing mechanisms; the mounting frame comprises four upright posts and an upper connecting rod and a lower connecting rod which are horizontally arranged on two adjacent upright posts; the linear motion mechanism comprises a plurality of X guide rail modules, a plurality of Y guide rail modules and a plurality of Z guide rail modules, each X guide rail module and each Y guide rail module are respectively and correspondingly installed on the connecting rod, and each Z guide rail module is respectively and correspondingly installed between two adjacent X guide rail modules and between two adjacent Y guide rail modules; each group of grabbing mechanisms are respectively and correspondingly arranged on one Z guide rail module in a sliding mode. 3D prints work box device and 3D printing apparatus area is less and printing efficiency is higher.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a 3D printing work box device and 3D printing equipment.
Background
The application of the sand mold 3D printing technology in the casting industry effectively shortens the production time of castings, saves the development cost and promotes the development of research and development design in an efficient sand mold printing mode. The working box device used by the sand mold 3D printing equipment at present has two modes of a single box and a flat double box, and the two working box devices can guarantee basic printing requirements, but have the problems of low printing efficiency, long time consumption, large equipment floor area and the like in the printing process, so that the printing cost is increased. How can optimize and improve to the above-mentioned problem that current sand mould 3D printed work case device exists, become the problem that the urgent need was solved in the 3D printing field.
Disclosure of Invention
Based on this, it is necessary to provide a 3D printing work box device and a 3D printing apparatus which occupy a small area and have a high printing efficiency, in order to solve the problems of a large area occupied by the work box device and a low printing efficiency of the sand mold 3D printing apparatus in the prior art.
A 3D print job box apparatus, said job box apparatus comprising: the device comprises an installation frame, a linear motion mechanism and a plurality of groups of grabbing mechanisms; the mounting frame comprises four upright posts and an upper connecting rod and a lower connecting rod which are horizontally arranged on two adjacent upright posts; the linear motion mechanism comprises a plurality of X guide rail modules, a plurality of Y guide rail modules and a plurality of Z guide rail modules, each X guide rail module and each Y guide rail module are respectively and correspondingly installed on the connecting rod, and each Z guide rail module is respectively and correspondingly installed between two adjacent X guide rail modules and between two adjacent Y guide rail modules; each snatch the mechanism and include connecting piece, pneumatic tongs and encircle the arm, the connecting piece slidable mounting in on the Z guide rail module, pneumatic tongs install in the both ends of connecting piece, encircle the arm set up in on the pneumatic tongs for snatch the work box.
In one embodiment, the connecting piece comprises a fixing plate and a matching piece arranged at one end of the fixing plate, the pneumatic grippers are arranged at two ends of the fixing plate, and the matching piece is in matched sliding connection with the Z guide rail module.
In one embodiment, two sets of the Z-rail modules are respectively installed between two adjacent X-rail modules and between two adjacent Y-rail modules, and the two Z-rail modules are correspondingly provided with one grabbing mechanism in a sliding manner.
In one embodiment, a connecting slider is slidably disposed between each Z-rail module and the corresponding X-rail module and Y-rail module.
In one embodiment, the two oppositely-arranged surrounding arms are provided with friction layers.
In one embodiment, the 3D printing work box device further comprises a conveying mechanism, the conveying mechanism comprises a stand column frame, a conveying member and a driving member, the stand column frame is arranged at the bottom of the mounting frame, the conveying member is mounted on the stand column frame, and the driving member is in driving connection with the conveying member and used for driving the work box to convey along the conveying member.
In one embodiment, the conveying element comprises two sets of chains and roller sets, the two sets of chains are rotatably mounted on two sides of the top of the upright frame, and the roller sets are mounted between the two sets of chains and are used for rotating the conveying work box.
In one embodiment, the conveying mechanism further comprises a position detector, wherein the position detector is mounted on the upright frame and used for detecting the work box in-place information.
In one embodiment, the conveying mechanism further comprises a lifting mechanism, and the lifting mechanism is mounted at the bottom of the upright frame and used for lifting the work box along the Z-axis direction.
A 3D printing apparatus comprising the 3D print job box device of any one of the above implementations.
Above-mentioned 3D prints work box device and 3D printing apparatus through set up a plurality of X guide rail modules, a plurality of Y guide rail modules and a plurality of Z guide rail module on the connecting rod at the installation frame to slide at each Z guide rail module and set up and snatch the mechanism, adopt the arm of embracing of snatching the mechanism to snatch the work box, thereby realize snatching the suspension to a plurality of work boxes in the cubical space, thereby realize that many work boxes circulate and carry out the printing. Therefore, the occupied area of the multiple work boxes is effectively reduced, and the printing of the next work box is started immediately after the printing of each work box is finished, so that the printing work efficiency is effectively improved.
Drawings
Fig. 1 is a schematic perspective view of a 3D printing work box device according to an embodiment.
Fig. 2 is a schematic perspective view of the grabbing mechanism cooperating with the grabbing work box according to an embodiment.
Fig. 3 is a partial structural schematic diagram of a 3D print job box device according to an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, a 3D printing work box apparatus includes: the device comprises an installation frame, a linear motion mechanism and a plurality of groups of grabbing mechanisms; the mounting frame comprises four upright posts and an upper connecting rod and a lower connecting rod which are horizontally arranged on two adjacent upright posts; the linear motion mechanism comprises a plurality of X guide rail modules, a plurality of Y guide rail modules and a plurality of Z guide rail modules, each X guide rail module and each Y guide rail module are respectively and correspondingly installed on the connecting rod, and each Z guide rail module is respectively and correspondingly installed between two adjacent X guide rail modules and between two adjacent Y guide rail modules; each snatch the mechanism and include connecting piece, pneumatic tongs and encircle the arm, the connecting piece slidable mounting in on the Z guide rail module, pneumatic tongs install in the both ends of connecting piece, encircle the arm set up in on the pneumatic tongs for snatch the work box.
In one embodiment, a 3D printing apparatus includes a 3D printing work box device, the work box device including: the device comprises an installation frame, a linear motion mechanism and a plurality of groups of grabbing mechanisms; the mounting frame comprises four upright posts and an upper connecting rod and a lower connecting rod which are horizontally arranged on two adjacent upright posts; the linear motion mechanism comprises a plurality of X guide rail modules, a plurality of Y guide rail modules and a plurality of Z guide rail modules, each X guide rail module and each Y guide rail module are respectively and correspondingly installed on the connecting rod, and each Z guide rail module is respectively and correspondingly installed between two adjacent X guide rail modules and between two adjacent Y guide rail modules; each snatch the mechanism and include connecting piece, pneumatic tongs and encircle the arm, the connecting piece slidable mounting in on the Z guide rail module, pneumatic tongs install in the both ends of connecting piece, encircle the arm set up in on the pneumatic tongs for snatch the work box.
Above-mentioned 3D prints work box device and 3D printing apparatus through set up a plurality of X guide rail modules, a plurality of Y guide rail modules and a plurality of Z guide rail module on the connecting rod at the installation frame to slide at each Z guide rail module and set up and snatch the mechanism, adopt the arm of embracing of snatching the mechanism to snatch the work box, thereby realize snatching the suspension to a plurality of work boxes in the cubical space, thereby realize that many work boxes circulate and carry out the printing. Therefore, the occupied area of the multiple work boxes is effectively reduced, and the printing of the next work box is started immediately after the printing of each work box is finished, so that the printing work efficiency is effectively improved.
The 3D print job box apparatus is described below with reference to specific embodiments to further understand the inventive concept of the 3D print job box apparatus. Referring to fig. 1, a 3D printing work box device 10, the work box device 10 includes: the device comprises a mounting frame 100, a linear motion mechanism 200 and a plurality of groups of grabbing mechanisms 300; the linear motion mechanism 200 is disposed on the mounting frame 100, and each of the grasping mechanisms 300 is slidably mounted on the linear motion mechanism 200. Like this, snatch the mechanism 300 through adopting the multiunit and realize snatching the work box respectively one by one to utilize linear motion mechanism 200 to suspend each work box in the cubical space of installation frame 100, specifically print each work box circulation one by one according to the printing needs, thereby realize many work boxes print mode, be favorable to improving printing efficiency.
In one embodiment, the mounting frame 100 includes four vertical posts 110, and two upper and lower connecting rods 120 horizontally mounted on two adjacent vertical posts 110. That is, the four columns 110 and the connecting rods connecting the upper and lower portions of each column 110 together form a frame-type structure. For example, each connecting rod 120 is respectively screwed to the vertical columns 110. For another example, two ends of the connecting rod 120 are respectively sleeved on the upright post 110. It should be understood that the four vertical columns 110 are connected to each other two by providing connecting rods above and below the four vertical columns 110, thereby forming the mounting frame 100 with a relatively stable structure. Preferably, a reinforcing bar is obliquely disposed between each connecting bar 120 and the adjacent upright 110. That is, the columns and the connecting rods and the reinforcing rods connected to each other form a triangular structure, which is advantageous for further ensuring the overall structural stability of the mounting frame 100.
In an embodiment, the linear motion mechanism 200 includes a plurality of X-rail modules 210, a plurality of Y-rail modules 220, and a plurality of Z-rail modules 230, each of the X-rail modules 210 and each of the Y-rail modules 220 are respectively and correspondingly mounted on the connecting rod 120, and each of the Z-rail modules 230 is respectively and correspondingly mounted between two adjacent X-rail modules 210 and between two adjacent Y-rail modules 220. The X-rail module 210 is a rail module disposed on the mounting frame 100 along the X-axis direction on the connecting rod 120, the Y-rail module is a rail module disposed on the mounting frame 100 along the Y-axis direction on the connecting rod 120, and the Z-rail module 230 is disposed on the mounting frame 100 along the Z-axis direction on the upper and lower connecting rods 120. That is, the mounting frame is provided with a rail module in the direction X, Y, Z. The specific structure of the guide rail module can refer to the structures of the linear guide rail module and the lead screw guide rail module in the prior art, which is not described in detail in this embodiment.
Referring to fig. 2, in an embodiment, each of the grabbing mechanisms 300 includes a connecting member 310, a pneumatic gripper 320 and an encircling arm 330, the connecting member 310 is slidably mounted on the Z-rail module 230, the pneumatic gripper 320 is mounted at two ends of the connecting member 310, and the encircling arm 330 is disposed on the pneumatic gripper 320 for grabbing the work box 20. In one embodiment, the connecting element 310 includes a fixing plate 311 and a fitting element 312 disposed at one end of the fixing plate 311, the pneumatic grips 320 are disposed at two ends of the fixing plate 311, and the fitting element 312 is slidably engaged with the Z-rail module 230. For example, the fitting 312 is a bolt structure. Namely, the grabbing mechanism and the Z guide rail module are connected through bolts. Specifically, the pneumatic grippers 320 are respectively installed on the lateral sides of the left and right ends of the fixing plate 311, and each pneumatic gripper 320 is correspondingly provided with a surrounding arm 330, so that a pair of pneumatic surrounding arms 330 is formed on the fixing plate 311, and the gripping and releasing of the work box 20 can be realized by controlling the pneumatic grippers 320. Specifically, the pair of surrounding arms 330 arranged on the pneumatic hand grip 320 are contracted or contracted by expansion or contraction so as to be close to each other or be away from each other for release, when the work box needs to be grabbed, the surrounding arms 330 are extended out and placed on two side walls of the work box by controlling the pneumatic hand grip 320, and after the grabbing position is determined to be reliable, the surrounding arms 330 are contracted or close to each other by contraction, so that the work box is stably clamped in the surrounding arms 330; when the clamping work box needs to be separated, the surrounding arm 330 holding the work box is released by releasing the pneumatic gripper 320.
In one embodiment, the 3D printing work box device performs a plurality of work box cyclic grabbing processes as follows:
first, the No. 1 gripping mechanism 300 of the Z rail module located between the upper and lower X rail modules on the X + side grips the upper half portion of the work box 20 located on the mounting frame 100, and slides up and down along the Z rail module and back and forth in the X direction (forward movement in this embodiment);
secondly, when the No. 1 grabbing mechanism moves and approaches the No. 2 grabbing mechanism 300 of the Z guide rail module between the upper Y guide rail module and the lower Y guide rail module on the Y + side, the No. 2 grabbing mechanism 300 starts a pneumatic grabbing hand to tighten, so that the encircling arm grabs the lower half part of the working box 20 (the No. 1 grabbing mechanism 300 releases and the No. 2 grabbing mechanism tightens);
thirdly, the No. 2 grabbing mechanism slides up and down along the Z guide rail module and slides left and right along the Y direction (the implementation moves towards the right);
similarly, when the No. 2 grabbing mechanism moves and approaches the No. 3 grabbing mechanism 300 of the Z guide rail module between the upper and lower X guide rail modules at the X-side, the No. 3 grabbing mechanism 300 starts the pneumatic grabbing hand to tighten, so that the surrounding arm grabs the upper half part of the work box 20 (the No. 2 grabbing mechanism 300 releases, the No. 3 grabbing mechanism tightens);
finally, the No. 3 grabbing mechanism slides up and down along the Z guide rail module and slides back and forth along the X direction (the implementation moves backwards);
similarly, when the No. 3 grabbing mechanism moves and approaches the No. 4 grabbing mechanism 300 of the Z guide rail module between the upper and lower Y guide rail modules at the Y-side, the No. 4 grabbing mechanism 300 starts the pneumatic grabbing hand to tighten up, so that the surrounding arm grabs the lower half part of the work box 20 (the No. 3 grabbing mechanism 300 releases, the No. 4 grabbing mechanism tightens up);
it should be noted that, in this embodiment, in order to suspend the work box located at the bottom of the mounting frame at a high position of the mounting frame, the process of sequentially grabbing the work boxes along the grabbing sequence X + → Y + → X- → Y-may perform ascending grabbing according to a spiral manner or other moving tracks, as long as the purpose of suspending the work boxes is achieved, and no specific limitation is imposed in this embodiment.
Therefore, the sequential suspension of one round of four work boxes is completed through the execution steps of the rounds, and when the work boxes suspended at the high position of the installation frame are required to sequentially drop to the printing station for printing, the work boxes can be dropped in a Y- → X + dropping mode. And need emphasize, when need realize carrying out the suspension to more workboxes, can increase more Z guide rail module quantity, as long as guarantee that each Z guide rail module does not influence each other when transporting the workbox. In order to realize the suspension work of more work boxes, in another embodiment, the number of the upright columns of the mounting frame is more than four, and a connecting rod is arranged between the upper end and the lower end of each two adjacent upright columns. That is, by changing the mounting frame structure, more grabbing mechanisms of the suspended work box are added, so that grabbing of more work boxes is realized.
Above-mentioned 3D prints work box device and 3D printing apparatus through set up a plurality of X guide rail modules, a plurality of Y guide rail modules and a plurality of Z guide rail module on the connecting rod at the installation frame to slide at each Z guide rail module and set up and snatch the mechanism, adopt the arm of embracing of snatching the mechanism to snatch the work box, thereby realize snatching the suspension to a plurality of work boxes in the cubical space, thereby realize that many work boxes circulate and carry out the printing. Therefore, the occupied area of the multiple work boxes is effectively reduced, and the printing of the next work box is started immediately after the printing of each work box is finished, so that the printing work efficiency is effectively improved.
In order to improve the installation stability of the grabbing mechanism, in one embodiment, two sets of Z-rail modules 230 are respectively installed between two adjacent X-rail modules 210 and between two adjacent Y-rail modules 220, and one grabbing mechanism 300 is correspondingly and slidably installed on two Z-rail modules 230. That is, one gripper mechanism 300 is slidably mounted on two of the Z-rail modules 230. Specifically, the connecting member 310 of the grabbing mechanism 300 is provided with two engaging members 312, and each engaging member 312 is engaged with one Z-rail module 230. It will be appreciated that the stability of the mounting of the gripper mechanism 300 to the Z-rail module 230 may be further enhanced by the use of two mounting points for the gripper mechanism 300, thereby increasing the mounting acceptance points.
In order to facilitate the smooth matching and sliding between the guide rail modules, in one embodiment, a connection sliding block 240 is slidably disposed between each Z-guide rail module 230 and the corresponding X-guide rail module 210 and Y-guide rail module 220. Specifically, the X-rail module 210 and the Y-rail module 220 are both provided with a connection slider 240, and the Z-rail module 230 is respectively slidably mounted on the X-rail module 210 and the Y-rail module 220 through the connection slider 240. Therefore, the guide rail modules can be conveniently matched and slide with each other smoothly.
In order to improve the stability of the working box, the two opposite surrounding arms 330 are provided with friction layers. Particularly, the encircling arms respectively arranged on the pneumatic grippers at the two ends of the connecting piece are provided with friction layers on the opposite surfaces, so that when the two encircling arms tightly embrace the work box, the phenomenon that the arms are fallen down to encircle due to the gravity of the work box can be avoided or reduced by controlling the friction layers. Further, the friction layer is a rubber pad.
In order to further improve the operation efficiency of the work box, please refer to fig. 3, in one embodiment, the 3D printing work box apparatus further includes a conveying mechanism 400, the conveying mechanism 400 includes a column frame 410, a conveying member 420, and a driving member 430, the column frame 410 is disposed at the bottom of the mounting frame 100, the conveying member 420 is mounted on the column frame 410, and the driving member 430 is connected to the conveying member 420 for driving the work box 20 to convey along the conveying member 420. In one embodiment, the conveying member 420 includes two sets of chains 421 and roller sets 422, the two sets of chains 421 are rotatably mounted on two sides of the top of the upright frame 410, and the roller sets 422 are mounted between the two sets of chains 421 for rotatably conveying the work box 20. Specifically, the working box 20 is pushed against the roller set 422 at one end of the column frame 410 by an external transplanting device, and the roller set 422 rotates along the chain 421 by starting the driving member 430, so that the working box 20 runs from the initial entering end to the other end until a predetermined working box stopping position is specified, and the driving member 430 stops running. This allows the work boxes to be smoothly and quickly moved to the bottom of the mounting frame 100, so that the grasping mechanism cooperates with the linear motion mechanism to accurately and smoothly grasp each work box conveyed in place. Conversely, when it is desired to carry out the printed work box, the driving member 430 is actuated to carry out the work box toward the initial entrance end by the operation of the roller set 422.
In order to accurately determine that the work box is transported to the preset position by the transport mechanism, in one embodiment, the transport mechanism 400 further includes a position detector 440, and the position detector 440 is mounted on the column frame 410 and is used for detecting the work box in-place information. For example, the position detector 440 is a trigger type contactor. For a specific model, the position detector 440 used in a conventional mechanical device may be referred to, and details are not described in this embodiment. It will be appreciated that when the actuating drive 430 is actuated to rotate the roller set 422, the work box moves towards one end, and when the position detector 440 is in the installed position, the position detector 440 is actuated to signal the command to stop the actuating drive 430, as a result of a contact trigger, and the operator is signaled or the programming device receives the signal to automatically stop the actuating drive 430. Therefore, the work box can be conveniently and accurately conveyed to the preset specified position, and the printing work efficiency of the work box is improved.
To achieve the effect of lowering the work box one level per printing level for continuous printing, please continue to refer to fig. 3, in one embodiment, the 3D printing work box apparatus further comprises a lifting mechanism 500, wherein the lifting mechanism 500 is installed at the bottom of the upright frame 210 for lifting the work box 20 along the Z-axis direction. For example, the lifting mechanism 500 is a cylinder extension. Specifically, the lifting mechanism 500 is connected to the bottom plate of the work box 20, and after the work box has finished printing one layer, the bottom plate of the work box is lowered one layer by the lifting mechanism 500, so that the work box is lowered one layer for each printing layer for continuous printing.
Above-mentioned 3D prints work box device through set up a plurality of X guide rail module, a plurality of Y guide rail module and a plurality of Z guide rail module on the connecting rod of installation frame to slide at each Z guide rail module and set up and snatch the mechanism, adopt the arm of embracing that snatchs the mechanism to snatch the work box, thereby realize snatching the suspension to a plurality of work boxes in the cubical space, thereby realize that many work boxes circulate and carry out the printing. Therefore, the occupied area of the multiple work boxes is effectively reduced, and the printing of the next work box is started immediately after the printing of each work box is finished, so that the printing work efficiency is effectively improved.
In one embodiment, a 3D printing apparatus includes the 3D printing work box device of any one of the above. The 3D printing equipment comprises a 3D printing work box device, a printing mechanism arranged on the 3D printing work box device, a sand spreader and an attachment mechanism. For example, the printing mechanism includes an ink jet motion system and an ink jet device. The ink jet motion system is fixed in a mounting frame of the 3D printing work box device, and the ink jet device reciprocates along the Z axis under the action of the ink jet motion system to complete ink jet action. For example, the inkjet motion system includes any device capable of performing linear motion, such as a cylinder, a slider-crank mechanism, a lead screw, a roller-rack mechanism, a belt module, a lead screw module, and the like. For example, the powder spreading device is driven by the powder spreading motion system to perform reciprocating powder spreading motion along the Y axis, so that the powder spreading process is completed. For example, the dusting motion system comprises a collection of motions that can accomplish any linear motion, such as a lead screw, a roller and rack mechanism, a belt module, a lead screw module, and the like. Further, the auxiliary mechanism includes a powder mixing component, a cleaning component, and the like, and reference may be made to the structure of a general sand mold 3D printer specifically, which is not described herein again.
In one embodiment, a 3D printing device performs the following printing operation:
the work boxes are conveyed to a parking position by the conveying mechanism to trigger an in-place signal, the two groups of pneumatic hand grippers simultaneously act to enable the surrounding arms to simultaneously hold the work boxes tightly, the linear motion mechanism is started, and a certain number of work boxes are circularly conveyed to the designated position of the mounting frame;
after the last working box enters a parking position, the bottom plate of the working box rises to the highest point under the action of the lifting mechanism, the sand spreader moves to the other end along the Y direction under the drive of the powder spreading movement system to finish primary powder spreading, at the moment, the printing mechanism moves to a position 3mm above the powder surface along the Z negative direction under the drive of the printing movement system to start ink jet action to finish primary ink jet, and then the printing mechanism returns to the highest point along the Z positive direction under the drive of the ink jet movement system;
the sand spreader returns to the initial point along the Y direction under the drive of the powder spreading motion system to complete a printing cycle; circulating in turn to finish a whole printing process;
after printing is finished, the pneumatic gripper moves to open the surrounding arm, the work box with the sand core is conveyed to a sand cleaning position along the conveying direction under the action of the conveying mechanism, and the second work box circulates to a stopping position to continue the printing process.
According to the 3D printing equipment, the plurality of X guide rail modules, the plurality of Y guide rail modules and the plurality of Z guide rail modules are arranged on the connecting rod of the installation frame, the grabbing mechanism is arranged on each Z guide rail module in a sliding mode, the working boxes are grabbed by the encircling arms of the grabbing mechanism, so that grabbing suspension of the plurality of working boxes in a three-dimensional space is realized, the situation that a single working box is used in a fixed printing structure is avoided, the factory utilization rate is low, and the occupied area is saved; the multi-working-box type structure can realize a one-machine multi-purpose mode, can be used for single printing and can also be used for simultaneously printing a plurality of working boxes, so that the printing efficiency is improved to a greater extent, and the time cost and the labor cost are saved. Meanwhile, because the sand removal and the printing process can be carried out simultaneously, the beat of waiting for printing during sand removal is effectively avoided, the utilization rate of equipment is obviously improved, and the printing efficiency is increased.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a 3D prints work box device which characterized in that, work box device include: the device comprises an installation frame, a linear motion mechanism and a plurality of groups of grabbing mechanisms;
the mounting frame comprises four upright posts and an upper connecting rod and a lower connecting rod which are horizontally arranged on two adjacent upright posts;
the linear motion mechanism comprises a plurality of X guide rail modules, a plurality of Y guide rail modules and a plurality of Z guide rail modules, each X guide rail module and each Y guide rail module are respectively and correspondingly installed on the connecting rod, and each Z guide rail module is respectively and correspondingly installed between two adjacent X guide rail modules and between two adjacent Y guide rail modules;
each snatch the mechanism and include connecting piece, pneumatic tongs and encircle the arm, the connecting piece slidable mounting in on the Z guide rail module, pneumatic tongs install in the both ends of connecting piece, encircle the arm set up in on the pneumatic tongs for snatch the work box.
2. The 3D printing work box device according to claim 1, wherein the connecting piece comprises a fixing plate and a matching piece arranged at one end of the fixing plate, the pneumatic hand grips are arranged at two ends of the fixing plate, and the matching piece is in matching sliding connection with the Z guide rail module.
3. The 3D printing work box device according to claim 1, wherein two sets of Z-rail modules are respectively installed between two adjacent X-rail modules and between two adjacent Y-rail modules, and one grabbing mechanism is correspondingly and slidably installed on the two Z-rail modules.
4. The 3D print job box device according to claim 1, wherein a connection slider is slidably disposed between each Z guide rail module and the corresponding X guide rail module and Y guide rail module.
5. The 3D print job box device according to claim 1, wherein a friction layer is disposed on both of the surrounding arms that are oppositely disposed.
6. The 3D printing work box device according to claim 1, further comprising a conveying mechanism, wherein the conveying mechanism comprises a column frame, a conveying member and a driving member, the column frame is arranged at the bottom of the mounting frame, the conveying member is mounted on the column frame, and the driving member is in driving connection with the conveying member and used for driving the work box to convey along the conveying member.
7. The 3D print job box device according to claim 6, wherein the conveying member comprises two sets of chains and roller sets, the two sets of chains are rotatably mounted on both sides of the top of the upright frame, and the roller sets are mounted between the two sets of chains for rotating the transport job box.
8. The 3D printing work box device of claim 6, wherein the transport mechanism further comprises a position detector mounted on the upright frame for detecting work box in-place information.
9. The 3D print job box device according to claim 6, further comprising a lifting mechanism mounted to the bottom of the upright frame for lifting the job box in the Z-axis direction.
10. 3D printing device, characterized in that it comprises a 3D printing work box apparatus according to any of claims 1 to 9.
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| CN110695314B (en) | 2024-08-16 |
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