CN112917906A - 3D prints and uses extruder elevating gear - Google Patents
3D prints and uses extruder elevating gear Download PDFInfo
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- CN112917906A CN112917906A CN202110081320.4A CN202110081320A CN112917906A CN 112917906 A CN112917906 A CN 112917906A CN 202110081320 A CN202110081320 A CN 202110081320A CN 112917906 A CN112917906 A CN 112917906A
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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
- 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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- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of 3D printer application, in particular to an extruder lifting device for 3D printing. The lifting device comprises a mounting plate, a lifting assembly, an annular lifting frame, an extruder support frame, a first fixing assembly and a second fixing assembly; the number of the mounting plates is two, and the two mounting plates are arranged in an up-and-down alignment manner; the lifting assembly is positioned between the two groups of mounting plates; the annular lifting frame is sleeved on the lifting assembly, and the inner wall of the annular lifting frame is fixedly connected to the sliding part of the lifting assembly through a connecting rod; the extruder support frame is fixedly arranged on the outer wall of one side of the annular lifting frame; the first fixing assembly comprises a rectangular mounting frame, a first threaded rod, a second threaded rod and two groups of extruder attaching plates. The invention can fix extruders with different sizes and different numbers of nozzles, improves compatibility and simultaneously avoids the pollution of dust in the air to each structure of the lifting assembly.
Description
Technical Field
The invention belongs to the technical field of 3D printer application, and particularly relates to an extruder lifting device for 3D printing.
Background
A 3D printer is a machine that creates real physical objects based on specialized computer files in an additive creation, and thus the process is referred to as "additive manufacturing. The method comprises the following basic steps: the method comprises the steps of establishing a 3D model by using a computer, slicing the 3D model, dividing the 3D model into hundreds of thin layers, and finally printing raw materials extruded by an extruder nozzle on a 3D printer layer by layer until the raw materials are overlapped to form an entity.
When the extruder is used for printing, the distance between the spray head and the workbench needs to be paid attention to all the time, so that the extruder needs to be frequently lifted by the lifting device. The use of the lifting device is to fix the extruder on the fixed component of the lifting device at first and utilize the sliding component of the lifting device to drive the extruder to lift.
But present 3D prints extruder kind is various, and the extruder of the different shower nozzle quantity of different sizes all needs different fixed subassembly to fix, has reduced elevating gear's compatibility.
Disclosure of Invention
Aiming at the problems, the invention provides a lifting device of an extruder for 3D printing, which comprises a mounting plate, a lifting assembly, an annular lifting frame, an extruder support frame, a first fixing assembly and a second fixing assembly; the number of the mounting plates is two, and the two mounting plates are arranged in an up-and-down alignment manner; the lifting assembly is positioned between the two groups of mounting plates; the annular lifting frame is sleeved on the lifting assembly, and the inner wall of the annular lifting frame is fixedly connected to the sliding part of the lifting assembly through a connecting rod; the extruder support frame is fixedly arranged on the outer wall of one side of the annular lifting frame;
the first fixing assembly comprises a rectangular mounting frame, a first threaded rod, a second threaded rod and two groups of extruder binding plates; the rectangular mounting frame is fixedly mounted on the extruder support frame; a first threaded hole is formed in one side wall, away from the extruder support frame, of the rectangular mounting frame, and the first threaded rod is in threaded connection with the first threaded hole; one end of the first threaded rod penetrates through the rectangular mounting frame, and a first isolation plate is fixedly mounted at the other end of the first threaded rod; the second threaded rod is fixedly installed on the other side wall of the first isolation plate, and the other end of the second threaded rod is rotatably connected to the inner wall of one side, far away from the first threaded hole, of the rectangular installation frame; the thread directions of the first threaded rod and the second threaded rod are opposite; a group of third sliding blocks are respectively connected to the first threaded rod and the second threaded rod in a threaded manner; two groups of extruder attaching plates are symmetrically arranged at the bottoms of the two groups of third sliding blocks;
the second fixing component is located right above the rectangular mounting frame, and a shell of the second fixing component is hinged to one side wall, far away from the annular lifting frame, of the extruder supporting frame.
Further, the first fixing component also comprises two groups of second sliding rods; a second isolation plate is arranged between the two groups of second sliding rods, and the second isolation plate and the first isolation plate are symmetrically arranged on a central axis of the rectangular mounting frame in the direction parallel to the extruder support frame; the other ends of the two groups of second sliding rods are respectively installed on the inner walls of the two sides of the rectangular installation frame, and a group of fourth sliding blocks are respectively connected to the two groups of second sliding rods in a sliding mode; the two groups of fourth sliders are symmetrically arranged, and the bottoms of the two groups of fourth sliders are fixedly mounted on the two groups of extruder attachment plates respectively.
Furthermore, the lifting assembly comprises a lifting support column, a lifting screw rod, a servo motor and two groups of screw rod installation blocks;
two ends of the lifting support column are respectively and fixedly arranged on the two groups of mounting plates; the two groups of screw rod mounting blocks are fixedly mounted on the outer wall of one side of the lifting support column close to the extruder support frame; the servo motor is fixedly arranged on one group of the screw rod mounting blocks, one end of the lifting screw rod is in transmission connection with the output end of the servo motor through a coupler, and the other end of the lifting screw rod is rotatably connected to the other group of the screw rod mounting blocks through a bearing seat; the lifting screw rod is in threaded connection with a first sliding block, and the first sliding block is fixedly connected to the inner wall of the annular lifting frame through a connecting rod; a first sliding groove is formed in one side wall, close to the first sliding block, of the lifting support column, a pulley is connected in the first sliding groove in a sliding mode, and the pulley is fixedly connected with the first sliding block through a group of connecting rods.
Furthermore, the lifting assembly also comprises a first sliding rod and two groups of sliding rod mounting blocks; the two groups of slide bar mounting blocks are fixedly mounted on one side wall of the lifting support column, which is far away from the screw rod mounting block; the two ends of the first sliding rod are respectively arranged on the two groups of sliding rod installation blocks, the first sliding rod is connected with a second sliding block in a sliding mode, and the second sliding block is fixedly connected to the inner wall, away from the first sliding block, of one side of the annular lifting frame through a group of connecting rods.
Furthermore, the lifting device also comprises a dustproof sleeve mounting assembly, wherein the dustproof sleeve mounting assembly comprises four groups of annular fixed frames and a plurality of groups of fixed frame clamping mechanisms;
the plurality of groups of fixing frame clamping mechanisms are uniformly distributed on two opposite side walls of the two groups of mounting plates and the edges of the upper end and the lower end of the annular lifting frame; a plurality of groups of fixing frame clamping mechanisms on the same horizontal plane are distributed around the central axis of the annular lifting frame in an annular array; the four groups of annular fixing frames are respectively positioned on two opposite side walls of the two groups of mounting plates and the edges of the upper and lower ends of the annular lifting frame, and each group of annular fixing frames are movably clamped in a plurality of groups of fixing frame clamping mechanisms on the same horizontal plane; and two ends of the dustproof pleated soft sleeve are respectively and fixedly arranged on the group of annular fixed frames.
Furthermore, the fixing frame clamping mechanism comprises a first clamping head fixing plate, two groups of second clamping head fixing plates and two groups of clamping roller mounting bases;
the first clamping joint fixing plate is arranged on the mounting plate or the edges of the upper end and the lower end of the annular lifting frame; the two groups of second clamping joint fixing plates are symmetrically arranged on two sides of the annular fixing frame, and are fixedly arranged on the first clamping joint fixing plate; the two groups of clamping roller mounting bases are symmetrically arranged on two opposite side walls of the two groups of second clamping head fixing plates; a group of clamping roller mounting frames are respectively hinged on the two groups of clamping roller mounting bases, a group of clamping roller wheels are respectively rotatably connected on the two groups of clamping roller mounting frames, and the two groups of clamping roller wheels are symmetrically arranged; two groups of springs are respectively fixed on the side walls of the two groups of clamping roller mounting frames, which are far away from each other, and the other ends of the two groups of springs are respectively fixedly arranged on two groups of second clamping head fixing plates; the annular fixing frame can be movably clamped in the second clamping head fixing plate through the two groups of clamping rollers.
Further, the second fixing assembly comprises a rectangular upper cover, a third rotating rod, a first gear, a second gear and a chain;
the rectangular upper cover is hinged to one side wall of the extruder support frame, which is far away from the lifting support column; the top of the rectangular upper cover is rotatably connected with a sealing bearing, the third rotating rod is fixedly arranged on a rotating part of the sealing bearing, and the third rotating rod can be rotatably connected with the rectangular upper cover through the sealing bearing; one end of the third rotating rod penetrates above the rectangular upper cover, and a handle is fixedly installed on the third rotating rod; the other end of the third rotating rod penetrates into the rectangular upper cover and is fixedly arranged on the first gear; the mounting rod of the second gear is rotatably connected to the inner wall of the top of the rectangular upper cover through a bearing seat; the first gear and the second gear are symmetrically arranged on two sides of the central point of the rectangular upper cover and are in transmission connection through a chain.
Further, the second fixing assembly further comprises a stop plate and two groups of extruder fixing plates; the stopping plate is fixedly arranged in the rectangular upper cover and is positioned below the first gear; a group of wire inlets are formed in the central point of the rectangular upper cover and the central point of the stop plate, and the two groups of wire inlets are arranged in an up-and-down alignment manner; the stop plate is provided with two sets of second chutes symmetrically arranged at the central point of the wire inlet, and the second chutes are internally and respectively connected with a set of fifth sliding blocks in a sliding manner, and the tops of the fifth sliding blocks are fixedly arranged on the chain, and the bottoms of the fifth sliding blocks are respectively provided with a set of extruder fixing plates which are symmetrically arranged at the central point of the wire inlet.
Furthermore, fixed mounting has a mounting joint post on the lateral wall that extruder support frame was kept away from to the rectangle installing frame, the rectangle upper cover can with mounting joint post activity joint.
Furthermore, the lifting device also comprises two groups of dustproof pleated soft sleeves, the two groups of dustproof pleated soft sleeves are respectively positioned at the upper end and the lower end of the annular lifting frame, and the upper end and the lower end of each dustproof pleated soft sleeve are respectively and fixedly installed in one group of dustproof sleeve installation assemblies; a plurality of groups of heat dissipation holes are formed in the two groups of dustproof pleated soft sleeves, and a group of filter screens are fixedly mounted in each heat dissipation hole.
The invention has the beneficial effects that:
1. the first threaded rod is rotated, the second threaded rod is driven to rotate through the rotation of the first threaded rod, and the two groups of third sliding blocks can simultaneously move along opposite directions due to the fact that the thread directions between the first threaded rod and the second threaded rod are opposite; and drives two groups of extruder jointing plates to move along the opposite direction simultaneously so as to adjust the size of the gap; the extruder can find a proper fixed position no matter the size of the extruder or the number of the spray heads, so that the compatibility of the lifting device is improved.
2. The two groups of fifth sliding blocks can drive the two groups of extruder fixing plates to simultaneously move towards the middle extruder through the rotation of the chain and finally attach to the outer walls of the two sides of the extruder, so that the fixing effect on the extruder is realized, and the compatibility of the lifting device is further improved; meanwhile, the extruder is simultaneously abutted and fixed from the upper end and the lower end through the abutting plate and the extruder attaching plate, and the fixing effect of the extruder is improved.
3. The two groups of dustproof pleated soft sleeves can prevent dust debris in the air from falling onto the lifting assembly to cause oxidation or damage of the lifting assembly, and the service life of the lifting assembly is prolonged; two sets of dustproof pleat soft covers are located both ends about the annular crane respectively, and are folded cascade structure, so when the annular crane goes up and down, also can not influence its dustproof effect to utilize the filter screen in louvre and the louvre to solve the dustproof radiating problem again of lifting unit simultaneously.
4. Firstly, two ends of the dustproof pleated soft sleeve are respectively fixed on a group of annular fixing frames, and then the annular fixing frames are clamped on one side wall of two groups of clamping rollers close to the first clamping head fixing plate. The installation work of the dustproof pleated soft sleeve is realized, the structure is simple, the installation is convenient and fast, and the working time can be saved. And the annular fixing frame is of a detachable structure, and only two sets of clamping roller mounting frames need to be pulled out, and the annular fixing frame is convenient to clean and replace.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 shows a schematic structural view of a lifting device according to an embodiment of the invention;
FIG. 2 shows a schematic cross-sectional view of a lifting device according to an embodiment of the invention;
FIG. 3 illustrates a schematic structural view of a lift assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a boot cover holder according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a thermal mount clamping mechanism according to an embodiment of the present invention;
FIG. 6 shows a schematic cross-sectional view of a first fixing assembly according to an embodiment of the invention;
FIG. 7 illustrates a schematic top view of a first securing assembly according to an embodiment of the invention;
FIG. 8 shows a cross-sectional schematic view of a second fixing assembly according to an embodiment of the invention;
FIG. 9 illustrates a schematic bottom view of a second securing assembly in accordance with an embodiment of the invention;
FIG. 10 shows a bottom cross-sectional view of a second securing assembly according to an embodiment of the invention.
In the figure: 1. mounting a plate; 2. a lifting assembly; 201. a lifting support column; 202. a screw rod mounting block; 203. a lifting screw rod; 204. a servo motor; 205. a first slider; 206. a first chute; 207. a pulley; 208. a slide bar mounting block; 209. a first slide bar; 210. a second slider; 3. an annular lifting frame; 4. a dust boot mounting assembly; 401. a fixed frame clamping mechanism; 4011. a first clamping joint fixing plate; 4012. a second clamping joint fixing plate; 4013. a clamping roller mounting base; 4014. a clamping roller mounting frame; 4015. clamping the rollers; 4016. a spring; 402. an annular fixing frame; 5. a support frame of the extruder; 6. a first fixed component; 601. a rectangular mounting frame; 602. a first threaded hole; 603. a first threaded rod; 604. a second threaded rod; 605. a third slider; 606. a second slide bar; 607. a fourth slider; 608. laminating the board by an extruder; 7. a second fixed component; 701. a rectangular upper cover; 702. sealing the bearing; 703. a third rotating rod; 704. a first gear; 705. a second gear; 706. a chain; 707. a stop plate; 708. a second chute; 709. a fifth slider; 710. a fixing plate of the extruder; 711. a wire inlet; 8. the fixing piece is clamped with the column; 9. a dustproof pleated soft cover; 10. and (4) heat dissipation holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The embodiment of the invention provides an extruder lifting device for 3D printing, which comprises a mounting plate 1, a lifting assembly 2, an annular lifting frame 3 and an extruder support frame 5. Illustratively, as shown in fig. 1 and fig. 2, the number of the mounting plates 1 is two, and the two mounting plates 1 are arranged in an up-and-down symmetrical manner. Two ends of the supporting part of the lifting component 2 are respectively and fixedly arranged on the two groups of mounting plates 1. The lifting component 2 is used for driving the extruder to lift.
The annular lifting frame 3 is sleeved on the lifting component 2, and the inner wall of the annular lifting frame 3 is fixedly connected to the sliding part of the lifting component 2 through a connecting rod.
The extruder support frame 5 is fixedly arranged on the outer wall of one side of the annular lifting frame 3 through a group of connecting rods.
The lifting device also comprises a first fixing component 6, a second fixing component 7 and two groups of dustproof pleated soft sleeves 9. The shell of the first fixing component 6 is fixedly arranged on one side wall of the extruder support frame 5 far away from the annular lifting frame 3. The first fixing assembly 6 is used to fix the extruder from the bottom.
The second fixing component 7 is positioned right above the first fixing component 6, and a shell of the second fixing component 7 is fixedly installed on one side wall of the extruder support frame 5, which is far away from the annular lifting frame 3. The second fixing assembly 7 is used to fix the extruder from the top.
The two groups of dustproof pleated soft sleeves 9 are respectively positioned at the upper end and the lower end of the annular lifting frame 3, a plurality of groups of radiating holes 10 are formed in the dustproof pleated soft sleeves 9, and a group of filter screens are fixedly mounted in each group of the radiating holes 10. The dust-tight pleated cover 9 prevents dust debris from falling from the air onto the lifting assembly 2.
The lifting assembly 2 comprises a lifting support column 201, a lifting screw rod 203, a servo motor 204 and two groups of screw rod mounting blocks 202. For example, as shown in fig. 3, two ends of the lifting support column 201 are respectively and fixedly mounted on two sets of the mounting plates 1. Two sets of lead screw installation blocks 202 are all fixedly mounted on the outer wall of one side of the lifting support column 201 close to the extruder support frame 5. The servo motor 204 is fixedly installed on one of the screw rod installation blocks 202, one end of the lifting screw rod 203 is in transmission connection with the output end of the servo motor 204 through a coupler, and the other end of the lifting screw rod is rotatably connected to the other screw rod installation block 202 through a bearing seat. The lifting screw rod 203 is connected with a first sliding block 205 through threads, and the first sliding block 205 is fixedly connected to the inner wall of the annular lifting frame 3 through a connecting rod. A first sliding groove 206 is formed in one side wall, close to the first sliding block 205, of the lifting support column 201, a pulley 207 is connected in the first sliding groove 206 in a sliding manner, and the pulley 207 is fixedly connected with the first sliding block 205 through a group of connecting rods.
The lifting assembly 2 also comprises a first slide bar 209 and two sets of slide bar mounting blocks 208. Two sets of slide bar mounting blocks 208 are fixedly mounted on a side wall of the lifting support column 201 far away from the screw rod mounting block 202. The two ends of the first sliding rod 209 are respectively arranged on the two sets of sliding rod mounting blocks 208, the first sliding rod 209 is connected with a second sliding block 210 in a sliding manner, and the second sliding block 210 is fixedly connected to the inner wall of one side, far away from the first sliding block 205, of the annular lifting frame 3 through a set of connecting rod.
When lifting work is performed, the servo motor 204 is started first, the lifting screw rod 203 is driven to rotate by the servo motor 204, and the first sliding block 205 is driven to move up and down by the rotation of the lifting screw rod 203. And then the annular lifting frame 3 can be lifted by lifting the first sliding block 205, and then the lifting of the annular lifting frame 3 is utilized to realize the lifting work of the extruders fixed on the first fixing component 6 and the second fixing component 7. When the circular lifting frame 3 is lifted, the pulley 207 and the second slider 210 can also be lifted and lowered in the first sliding groove 206 and on the first sliding rod 209 simultaneously, and therefore the balance of the circular lifting frame 3 during lifting and lowering is ensured. Meanwhile, the stability of the extruder during lifting is improved.
The lifting device further comprises a dustproof sleeve mounting assembly 4, and the dustproof sleeve mounting assembly 4 comprises four groups of annular fixing frames 402 and a plurality of groups of fixing frame clamping mechanisms 401. Illustratively, as shown in fig. 4 and 5, a plurality of sets of the fixing frame clamping mechanisms 401 are uniformly installed on two opposite side walls of two sets of the installation plates 1 and at the edges of the upper and lower ends of the annular lifting frame 3. And a plurality of groups of the fixing frame clamping mechanisms 401 on the same horizontal plane are distributed around the central axis of the annular lifting frame 3 in an annular array. The four groups of annular fixing frames 402 are respectively positioned on two groups of two opposite side walls of the mounting plate 1 and at the edges of the upper end and the lower end of the annular lifting frame 3, and each group of annular fixing frames 402 are movably clamped in a plurality of groups of fixing frame clamping mechanisms 401 on the same horizontal plane. Two ends of the dustproof pleated soft sleeve 9 are respectively and fixedly arranged on a group of annular fixed frames 402.
When installing flexible cover 9 of dustproof pleat, at first fix respectively flexible cover 9 both ends of dustproof pleat on a set of annular mount 402, then contradict annular mount 402 and extrude at two sets of joint running rollers 4015 to under the effect of two sets of springs 4016, make annular mount 402 can push away two sets of joint running rollers 4015, and pass through from the gap between two sets of joint running rollers 4015. After the extrusion force of the annular fixing frame 402 is lost, the two groups of clamping rollers 4015 return to the original positions under the action of the spring 4016, so that the annular fixing frame 402 can be attached to one side wall, close to the first clamping joint fixing plate 4011, of the two groups of clamping rollers 4015. The installation work of the dustproof pleated soft sleeve 9 is realized, the structure is simple, the installation is convenient and fast, and the working time can be saved. When the dustproof pleated soft sleeve 9 needs to be removed, the two clamping roller mounting frames 4014 are pulled apart, and the annular fixing frame 402 is pulled out.
The first stationary component 6 includes a rectangular mounting frame 601, a first threaded rod 603, a second threaded rod 604, and two sets of extruder attachment plates 608. Illustratively, as shown in fig. 6 and 7, the rectangular mounting frame 601 is fixedly mounted on a side wall of the extruder support frame 5 far away from the lifting support column 201. A first threaded hole 602 is formed in one side wall, away from the extruder support frame 5, of the rectangular mounting frame 601, and the first threaded rod 603 is in threaded connection with the first threaded hole 602. One end of the first threaded rod 603 penetrates through the rectangular mounting frame 601, and a first isolation plate is fixedly mounted at the other end of the first threaded rod. The axis of first division board with rectangle installing frame 601 and the coincidence of the axis of extruder support frame 5 parallel direction, second threaded rod 604 fixed mounting be in on another lateral wall of first division board, just the second threaded rod 604 other end passes through the bearing frame and rotates to be connected on one side inner wall that first screw hole 602 was kept away from to rectangle installing frame 601. The thread directions of the first threaded rod 603 and the second threaded rod 604 are opposite. A group of third sliding blocks 605 is respectively connected to the first threaded rod 603 and the second threaded rod 604 in a threaded manner. Two groups of the extruder attachment plates 608 are symmetrically arranged at the bottom of two groups of the third sliding blocks 605.
The first stationary component 6 also comprises two sets of second slide bars 606. A second isolation plate is arranged between the two groups of second sliding rods 606, and the second isolation plate and the first isolation plate are symmetrically arranged along the central axis of the rectangular mounting frame 601 in the direction parallel to the extruder support frame 5. The other ends of the two groups of second sliding rods 606 are respectively installed on the inner walls of the two sides of the rectangular installation frame 601, and the two groups of second sliding rods 606 are respectively connected with a group of fourth sliding blocks 607 in a sliding manner. The two sets of fourth sliding blocks 607 are symmetrically arranged, and the bottoms of the two sets of fourth sliding blocks 607 are respectively and fixedly mounted on the two sets of extruder attachment plates 608.
When installing the extruder, the distance between the two sets of extruder attachment plates 608 needs to be adjusted according to the actual size of the extruder and the number of nozzles. First, the first threaded rod 603 is rotated, and the second threaded rod 604 is driven to rotate by the rotation of the first threaded rod 603, and since the thread directions between the first threaded rod 603 and the second threaded rod 604 are opposite, when the first threaded rod 603 and the second threaded rod 604 rotate, the two sets of third sliders 605 move in opposite directions simultaneously. The movement of the third slide 605 is then used to adjust the gap between the two sets of extruder doubler plates 608. The proper gap size can be found no matter the size of the extruder or the number of the nozzles, so that the compatibility of the lifting device is improved.
The second fixing assembly 7 includes a rectangular upper cover 701, a third rotating rod 703, a first gear 704, a second gear 705, and a chain 706. Illustratively, as shown in fig. 8 and fig. 9 and 10, the rectangular upper cover 701 is fixedly mounted on a side wall of the extruder support frame 5 away from the lifting support column 201. The top of the rectangular upper cover 701 is rotatably connected with a sealing bearing 702, the third rotating rod 703 is fixedly installed on a rotating part of the sealing bearing 702, and the third rotating rod 703 can be rotatably connected with the rectangular upper cover 701 through the sealing bearing 702. One end of the third rotating rod 703 penetrates through the upper part of the rectangular upper cover 701, and a handle is fixedly installed on the third rotating rod. The other end of the third rotating rod 703 penetrates into the rectangular upper cover 701 and is fixedly mounted on the first gear 704. The mounting rod of the second gear 705 is rotatably connected to the top inner wall of the rectangular upper cover 701 through a bearing seat. The first gear 704 and the second gear 705 are symmetrically arranged on two sides of the center point of the rectangular upper cover 701, and the first gear 704 and the second gear 705 are in transmission connection through a chain 706.
The second fixing assembly 7 further comprises a stop plate 707 and two sets of extruder fixing plates 710. A stop plate 707 is fixedly mounted in the rectangular upper cover 701 and is located below the first gear 704. A group of wire inlets 711 are formed in the center point of the rectangular upper cover 701 and the center point of the stopping plate 707, and the two groups of wire inlets 711 are vertically aligned. Two groups of second sliding grooves 708 are symmetrically arranged on the stopping plate 707 with the central point of the wire inlet 711, two groups of fifth sliding blocks 709 are respectively connected in the second sliding grooves 708 in a sliding manner, the tops of the two groups of fifth sliding blocks 709 are fixedly arranged on the chain 706, the bottoms of the two groups of fifth sliding blocks are respectively provided with a group of extruder fixing plates 710, and the two groups of extruder fixing plates 710 are symmetrically arranged with the central point of the wire inlet 711.
The rectangle installing frame 601 is far away from on the lateral wall of extruder support frame 5 fixed mounting have mounting joint post 8, rectangle upper cover 701 can with 8 movable joint of mounting joint post.
The extruder is first placed on the two sets of extruder attachment plates 608, and then the rectangular upper cover 701 is closed, so that the rectangular upper cover 701 can be attached to the fixture attachment posts 8, and so that the abutting plates 707 can abut against the top of the extruder. Then, the third rotating rod 703 is rotated, the first gear 704 and the second gear 705 are driven to rotate by the third rotating rod 703, the chain 706 is driven to rotate by the rotation of the first gear 704 and the second gear 705, and the two sets of fifth sliding blocks 709 can simultaneously slide in the two sets of second sliding grooves 708 along opposite directions. Then, the two sets of the extruder fixing plates 710 can be driven to move towards the two side walls of the extruder simultaneously by the sliding of the two sets of the fifth sliders 709, and finally the two sets of the extruder fixing plates 710 can be attached to the outer walls of the two sides of the extruder simultaneously. The fixing effect on the extruders is achieved, and the compatibility of the lifting device is further improved through the movable structure of the two groups of extruder fixing plates 710. Meanwhile, the extruder is simultaneously abutted and fixed from the upper end and the lower end through the abutting plate 707 and the extruder attaching plate 608, and the fixing effect of the extruder is improved.
The first threaded rod 603 is rotated, the second threaded rod 604 is driven to rotate through the rotation of the first threaded rod 603, and the two groups of third sliding blocks 605 can simultaneously move along opposite directions because the thread directions between the first threaded rod 603 and the second threaded rod 604 are opposite; and drives the two groups of extruder attachment plates 608 to move along the opposite direction at the same time, so as to adjust the size of the gap; the extruder can find a proper fixed position no matter the size of the extruder or the number of the spray heads, so that the compatibility of the lifting device is improved. The two groups of fifth sliding blocks 709 can drive the two groups of extruder fixing plates 710 to move towards the middle extruder at the same time through the rotation of the chain 706, and the two groups of extruder fixing plates are finally attached to the outer walls of the two sides of the extruder, so that the extruder is fixed, and the compatibility of the lifting device is further improved; meanwhile, the extruder is simultaneously abutted and fixed from the upper end and the lower end through the abutting plate 707 and the extruder attaching plate 608, and the fixing effect of the extruder is improved. The two groups of dustproof pleated soft sleeves 9 can prevent dust debris in the air from falling onto the lifting component 2 to cause oxidation or damage of the dust debris, and the service life of the lifting component 2 is prolonged; two sets of soft cover 9 of dustproof pleating are located annular crane 3 both ends from top to bottom respectively, and are folded cascade structure, so when annular crane 3 goes up and down, also can not influence its dustproof effect to utilize the filter screen in louvre 10 and the louvre 10 to solve the dustproof radiating problem again of lifting unit 2 simultaneously. Firstly, two ends of the dustproof pleated soft sleeve 9 are respectively fixed on a group of annular fixing frames 402, and then the annular fixing frames 402 are attached to one side wall of two groups of clamping rollers 4015 close to the first clamping head fixing plate 4011. The installation work of the dustproof pleated soft sleeve 9 is realized, the structure is simple, the installation is convenient and fast, and the working time can be saved. And the annular mount 402 is detachable structure, only need to dial two sets of joint roller mounting bracket 4014 open to take annular mount 402 out can, be convenient for clean the change.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a 3D prints and uses extruder elevating gear which characterized in that: the lifting device comprises a mounting plate (1), a lifting assembly (2), an annular lifting frame (3), an extruder support frame (5), a first fixing assembly (6) and a second fixing assembly (7); the number of the mounting plates (1) is two, and the two mounting plates (1) are arranged in an up-down alignment manner; the lifting assembly (2) is positioned between the two groups of mounting plates (1); the annular lifting frame (3) is sleeved on the lifting assembly (2), and the inner wall of the annular lifting frame (3) is fixedly connected to the sliding part of the lifting assembly (2) through a connecting rod; the extruder support frame (5) is fixedly arranged on the outer wall of one side of the annular lifting frame (3);
the first fixing component (6) comprises a rectangular mounting frame (601), a first threaded rod (603), a second threaded rod (604) and two groups of extruder binding plates (608); the rectangular mounting frame (601) is fixedly mounted on the extruder support frame (5); a first threaded hole (602) is formed in one side wall, away from the extruder support frame (5), of the rectangular mounting frame (601), and the first threaded rod (603) is in threaded connection with the first threaded hole (602); one end of the first threaded rod (603) penetrates through the rectangular mounting frame (601), and a first isolation plate is fixedly mounted at the other end of the first threaded rod; the second threaded rod (604) is fixedly installed on the other side wall of the first isolation plate, and the other end of the second threaded rod (604) is rotatably connected to the inner wall of one side, far away from the first threaded hole (602), of the rectangular installation frame (601); the thread directions of the first threaded rod (603) and the second threaded rod (604) are opposite; a group of third sliding blocks (605) are respectively connected to the first threaded rod (603) and the second threaded rod (604) in a threaded manner; two groups of extruder attachment plates (608) are symmetrically arranged at the bottoms of two groups of third sliding blocks (605);
the second fixing component (7) is located right above the rectangular mounting frame (601), and a shell of the second fixing component (7) is hinged to one side wall, far away from the annular lifting frame (3), of the extruder support frame (5).
2. The 3D printing extruder lifting device according to claim 1, wherein: the first fixed component (6) also comprises two sets of second slide bars (606); a second isolation plate is arranged between the two groups of second sliding rods (606), and the second isolation plate and the first isolation plate are symmetrically arranged on the central axis of the rectangular mounting frame (601) in the direction parallel to the extruder support frame (5); the other ends of the two groups of second sliding rods (606) are respectively installed on the inner walls of the two sides of the rectangular installation frame (601), and the two groups of second sliding rods (606) are respectively connected with a group of fourth sliding blocks (607) in a sliding manner; the two groups of fourth sliding blocks (607) are symmetrically arranged, and the bottoms of the two groups of fourth sliding blocks (607) are respectively and fixedly installed on the two groups of extruder binding plates (608).
3. The 3D printing extruder lifting device according to claim 1, wherein: the lifting assembly (2) comprises a lifting support column (201), a lifting screw rod (203), a servo motor (204) and two groups of screw rod mounting blocks (202);
two ends of the lifting support column (201) are respectively and fixedly arranged on the two groups of mounting plates (1); the two groups of screw rod mounting blocks (202) are fixedly mounted on the outer wall of one side, close to the extruder support frame (5), of the lifting support column (201); the servo motor (204) is fixedly arranged on one group of the screw rod mounting blocks (202), one end of the lifting screw rod (203) is in transmission connection with the output end of the servo motor (204) through a coupler, and the other end of the lifting screw rod is rotatably connected to the other group of the screw rod mounting blocks (202) through a bearing seat; a first sliding block (205) is connected to the lifting screw rod (203) in a threaded manner, and the first sliding block (205) is fixedly connected to the inner wall of the annular lifting frame (3) through a connecting rod; a first sliding groove (206) is formed in one side wall, close to the first sliding block (205), of the lifting supporting column (201), a pulley (207) is connected in the first sliding groove (206) in a sliding mode, and the pulley (207) is fixedly connected with the first sliding block (205) through a group of connecting rods.
4. The 3D printing extruder lifting device according to claim 3, wherein: the lifting assembly (2) further comprises a first sliding rod (209) and two sets of sliding rod mounting blocks (208); two groups of sliding rod mounting blocks (208) are fixedly mounted on one side wall of the lifting support column (201) far away from the screw rod mounting block (202); first slide bar (209) both ends are installed respectively two sets of on slide bar installation piece (208), sliding connection has second slider (210) on first slide bar (209), second slider (210) are in through a set of connecting rod fixed connection annular crane (3) keep away from on one side inner wall of first slider (205).
5. The 3D printing extruder lifting device according to claim 1, wherein: the lifting device further comprises a dustproof sleeve mounting assembly (4), wherein the dustproof sleeve mounting assembly (4) comprises four groups of annular fixing frames (402) and a plurality of groups of fixing frame clamping mechanisms (401);
the plurality of groups of fixing frame clamping mechanisms (401) are uniformly distributed on two opposite side walls of the two groups of mounting plates (1) and the edges of the upper end and the lower end of the annular lifting frame (3); a plurality of groups of fixing frame clamping mechanisms (401) on the same horizontal plane are distributed around the central axis of the annular lifting frame (3) in an annular array; the four groups of annular fixing frames (402) are respectively positioned on two opposite side walls of the mounting plate (1) and at the edges of the upper end and the lower end of the annular lifting frame (3), and each group of annular fixing frames (402) are movably clamped in a plurality of groups of fixing frame clamping mechanisms (401) on the same horizontal plane.
6. The 3D printing extruder lifting device according to claim 5, wherein: the fixing frame clamping mechanism (401) comprises a first clamping joint fixing plate (4011), two groups of second clamping joint fixing plates (4012) and two groups of clamping roller mounting bases (4013);
the first clamping joint fixing plate (4011) is arranged on the mounting plate (1) or at the edges of the upper end and the lower end of the annular lifting frame (3); the two groups of second clamping joint fixing plates (4012) are symmetrically arranged on two sides of the annular fixing frame (402), and the two groups of second clamping joint fixing plates (4012) are fixedly arranged on the first clamping joint fixing plate (4011); the two groups of clamping roller mounting bases (4013) are symmetrically arranged on two opposite side walls of the two groups of second clamping joint fixing plates (4012); two groups of clamping roller mounting bases (4013) are respectively hinged with one group of clamping roller mounting frames (4014), two groups of clamping roller mounting frames (4014) are respectively rotatably connected with one group of clamping roller wheels (4015), and the two groups of clamping roller wheels (4015) are symmetrically arranged; a group of springs (4016) are respectively fixed on the side walls, far away from each other, of the two groups of clamping roller mounting frames (4014), and the other ends of the two groups of springs (4016) are respectively fixedly mounted on the two groups of second clamping joint fixing plates (4012); the annular fixing frame (402) can be movably clamped in the second clamping joint fixing plate (4012) through two groups of clamping rollers (4015).
7. The 3D printing extruder lifting device according to claim 1, wherein: the second fixing component (7) comprises a rectangular upper cover (701), a third rotating rod (703), a first gear (704), a second gear (705) and a chain (706);
the rectangular upper cover (701) is hinged to one side wall of the extruder support frame (5) far away from the lifting support column (201); the top of the rectangular upper cover (701) is rotatably connected with a sealing bearing (702), the third rotating rod (703) is fixedly arranged on a rotating part of the sealing bearing (702), and the third rotating rod (703) can be rotatably connected with the rectangular upper cover (701) through the sealing bearing (702); one end of the third rotating rod (703) penetrates above the rectangular upper cover (701) and is fixedly provided with a handle; the other end of the third rotating rod (703) penetrates into the rectangular upper cover (701) and is fixedly installed on the first gear (704); the mounting rod of the second gear (705) is rotatably connected to the inner wall of the top of the rectangular upper cover (701) through a bearing seat; the first gear (704) and the second gear (705) are symmetrically arranged on two sides of the center point of the rectangular upper cover (701), and the first gear (704) and the second gear (705) are in transmission connection through a chain (706).
8. The 3D printing extruder lifting device according to claim 7, wherein: the second fixing component (7) further comprises a stop plate (707) and two sets of extruder fixing plates (710); a stop plate (707) is fixedly arranged in the rectangular upper cover (701) and is positioned below the first gear (704); a group of wire inlets (711) are formed in the center point of the rectangular upper cover (701) and the center point of the stop plate (707), and the two groups of wire inlets (711) are vertically aligned; two sets of second chutes (708) are symmetrically arranged on the stopping plate (707) with the central point of the wire inlet (711), two sets of fifth sliding blocks (709) are respectively connected in the second chutes (708) in a sliding manner, the tops of the fifth sliding blocks (709) are fixedly arranged on the chain (706), a set of extruder fixing plates (710) are respectively arranged at the bottoms of the fifth sliding blocks, and the two sets of extruder fixing plates (710) are symmetrically arranged with the central point of the wire inlet (711).
9. The 3D printing extruder lifting device according to claim 7, wherein: the fixing piece clamping device is characterized in that a fixing piece clamping column (8) is fixedly mounted on one side wall, away from the extruder supporting frame (5), of the rectangular mounting frame (601), and the rectangular upper cover (701) can be movably clamped with the fixing piece clamping column (8).
10. The 3D printing extruder lifting device according to claim 5, wherein: the lifting device also comprises two groups of dustproof pleated soft sleeves (9), the two groups of dustproof pleated soft sleeves (9) are respectively positioned at the upper end and the lower end of the annular lifting frame (3), and the upper end and the lower end of the dustproof pleated soft sleeve (9) are respectively and fixedly installed in one group of dustproof sleeve installation components (4); a plurality of groups of heat dissipation holes (10) are formed in the two groups of dustproof pleated soft sleeves (9), and a group of filter screens are fixedly mounted in each heat dissipation hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081320.4A CN112917906A (en) | 2021-01-21 | 2021-01-21 | 3D prints and uses extruder elevating gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081320.4A CN112917906A (en) | 2021-01-21 | 2021-01-21 | 3D prints and uses extruder elevating gear |
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| Publication Number | Publication Date |
|---|---|
| CN112917906A true CN112917906A (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110081320.4A Pending CN112917906A (en) | 2021-01-21 | 2021-01-21 | 3D prints and uses extruder elevating gear |
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| CN (1) | CN112917906A (en) |
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|---|---|---|---|---|
| CN211371744U (en) * | 2020-01-13 | 2020-08-28 | 温红君 | Lifting device for electromechanical device |
| CN111720696A (en) * | 2020-06-28 | 2020-09-29 | 孟正明 | Rotary machine strutting arrangement |
| CN211942131U (en) * | 2020-03-24 | 2020-11-17 | 上海锦廷机电科技有限公司 | 3D printer elevating gear |
| CN212097425U (en) * | 2020-04-01 | 2020-12-08 | 南京美高美新材料有限公司 | Fixing support for full-automatic feeding extruder |
| CN212331771U (en) * | 2020-05-15 | 2021-01-12 | 温州科力塑业有限公司 | Plastic extrusion mechanism |
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2021
- 2021-01-21 CN CN202110081320.4A patent/CN112917906A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211371744U (en) * | 2020-01-13 | 2020-08-28 | 温红君 | Lifting device for electromechanical device |
| CN211942131U (en) * | 2020-03-24 | 2020-11-17 | 上海锦廷机电科技有限公司 | 3D printer elevating gear |
| CN212097425U (en) * | 2020-04-01 | 2020-12-08 | 南京美高美新材料有限公司 | Fixing support for full-automatic feeding extruder |
| CN212331771U (en) * | 2020-05-15 | 2021-01-12 | 温州科力塑业有限公司 | Plastic extrusion mechanism |
| CN111720696A (en) * | 2020-06-28 | 2020-09-29 | 孟正明 | Rotary machine strutting arrangement |
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Application publication date: 20210608 |