CN112776330A - 3D is choke fixing device for printer - Google Patents
3D is choke fixing device for printer Download PDFInfo
- Publication number
- CN112776330A CN112776330A CN202110052368.2A CN202110052368A CN112776330A CN 112776330 A CN112776330 A CN 112776330A CN 202110052368 A CN202110052368 A CN 202110052368A CN 112776330 A CN112776330 A CN 112776330A
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- clamping
- connecting rod
- throat
- baffle
- mounting
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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
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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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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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention belongs to the technical field of 3D printing equipment, and particularly relates to a throat fixing device for a 3D printer, which comprises a first mounting part, a heat dissipation assembly, a throat assembly and a heating block assembly, wherein the first mounting part is arranged on the throat assembly; the throat pipe assembly comprises a second mounting part, a throat pipe body and a third mounting part; one end of the second mounting part is clamped in the first mounting part; the other end of the second mounting part is fixedly connected with one end of the throat pipe body; the other end of the throat pipe body is provided with a first baffle, and the heat dissipation assembly is installed between the first baffle and the first installation part; the third mounting part is fixedly mounted on one side, far away from the second mounting part, of the first baffle, and the third mounting part is communicated with the throat pipe body; the radiating assembly can be fixed on the throat pipe body without threads, the hidden danger of thread fracture is avoided, and the mounting is simple and convenient.
Description
Technical Field
The invention belongs to the technical field of 3D printing equipment, and particularly relates to a throat fixing device for a 3D printer.
Background
3D printing is a machine that is an additive manufacturing technique, i.e., a rapid prototyping technique. It is a method for manufacturing three-dimensional object by printing layers of adhesive material on the basis of digital model file and by using special wax material, powdered metal or plastic and other adhesive material.
The throat pipe is one of important components of the 3D printer nozzle, the upper end and the lower end of the existing throat pipe are both provided with threads, wherein the threads at the upper end are used for being in threaded connection with the radiating pipe, and the threads at the lower end of the existing throat pipe are used for being in threaded connection with the heating block; however, the thread machining process is complex, and because the throat pipe is in a high-temperature environment for a long time, the thread can be broken under long-term high-temperature use, the throat pipe with the broken thread is difficult to replace when being replaced, a large amount of maintenance time is occupied, and the production efficiency is seriously influenced.
Disclosure of Invention
Aiming at the problems, the invention provides a throat fixing device for a 3D printer, which comprises a first mounting part, a heat dissipation assembly, a throat assembly and a heating block assembly, wherein the first mounting part is arranged on the throat fixing device;
the throat pipe assembly comprises a second mounting part, a throat pipe body and a third mounting part;
one end of the second mounting part is clamped in the first mounting part; the other end of the second mounting part is fixedly connected with one end of the throat pipe body;
the other end of the throat pipe body is provided with a first baffle, and the heat dissipation assembly is installed between the first baffle and the first installation part;
the third mounting part is fixedly mounted on one side, far away from the second mounting part, of the first baffle, and the third mounting part is communicated with the throat pipe body;
the heating block assembly comprises a heating block body, a first clamping assembly and a second clamping assembly; the first clamping assembly and the second clamping assembly are movably clamped on the heating block body;
the third mounting part is clamped in the heating block body and communicated with the heating block body;
the third installation part is clamped in the first clamping assembly and the second clamping assembly.
Further, a first through hole, a second through hole and a first mounting groove are formed in the first mounting portion;
the first through hole is positioned in the center of the first mounting part and penetrates through the first mounting part;
a plurality of groups of second through holes are formed around the first through holes, and are arranged at equal intervals in a ring-shaped array; and each group of the second through holes is also provided with a first mounting groove, and the first mounting grooves of each group are symmetrical about the center of the first through hole.
Further, the heat dissipation assembly comprises a heat dissipation pipe;
a plurality of groups of radiating fins are arranged on the outer wall of the radiating pipe and are arranged at equal intervals;
and a plurality of groups of second mounting grooves are formed in the inner wall of the radiating pipe and run through the two ends of the pipe body of the radiating pipe.
Further, the second mounting part comprises a first connecting rod, a second connecting rod and a third connecting rod;
the first connecting rod is cylindrical, one end of the first connecting rod is fixedly connected with one end of the throat pipe body, which is far away from the first baffle, and the other end of the first connecting rod is fixedly connected with the second connecting rod; the diameter of the first connecting rod is smaller than or equal to the inner diameter of the second through hole;
the second connecting rod and the third connecting rod are both semi-cylindrical, and the second connecting rod and the first connecting rod are coaxial; the rectangular surface of the third connecting rod is superposed with the rectangular surface of the second connecting rod, and the central position of the third connecting rod is hinged to one end, far away from the first connecting rod, of the second connecting rod; when the third connecting rod rotates to be perpendicular to the second connecting rod, the third connecting rod can be clamped in the first mounting groove.
Further, a first clamping block is arranged on the throat pipe body;
four groups of third mounting grooves are formed in the throat pipe body, and the third mounting grooves penetrate through the throat pipe body to the first baffle; a plurality of groups of first springs are arranged on the third mounting groove, and the first fixture block is elastically connected with the third mounting groove through the first springs;
a second clamping block is arranged on one side, located outside the third mounting groove, of the first clamping block, and the height of one end, close to the first connecting rod, of the second clamping block is lower than that of one end, far away from the first connecting rod, of the second clamping block;
an inlet end is arranged at one end, close to the first connecting rod, of the throat pipe body, and the height of one end, close to the first connecting rod, of the inlet end is lower than that of one end, close to the second clamping block, of the inlet end.
Further, the third mounting part comprises a second baffle, a third fixture block and a fourth fixture block;
the second baffle is fixedly arranged on one side of the first baffle, which is far away from the first connecting rod, and is fixedly connected with the throat pipe body;
the third fixture block and the fourth fixture block are both annular and are coaxially arranged with the throat pipe body;
the inner diameter of the third fixture block is larger than that of the fourth fixture block; a fourth mounting groove is formed between the third fixture block and the fourth fixture block, a third through hole is formed in the fourth fixture block, and the third through hole penetrates through the throat pipe body and is communicated with the first through hole.
Furthermore, the heating block body comprises a first base, and two groups of first sliding rails are arranged on the first base;
the first clamping assembly and the second clamping assembly are movably clamped on the first slide rail;
a fifth mounting groove and a sixth mounting groove are further formed in the first base, and the inner diameter of the fifth mounting groove is larger than that of the sixth mounting groove; the third fixture block can be clamped in the fifth mounting groove, and the fourth fixture block can be clamped in the sixth mounting groove; and the sixth mounting groove is communicated with the third through hole.
Furthermore, the first clamping assembly comprises a first fixing plate, a second spring and a fifth clamping block;
the first fixing plate is a rectangular plate, two groups of first sliding grooves are formed below the first fixing plate, and the first sliding grooves are clamped on the first sliding rails in a sliding mode;
a first clamping groove and a second clamping groove are formed in one side, close to the second clamping component, of the first fixing plate, and the first clamping groove and the second clamping groove are both semi-cylindrical cavities;
the inner diameter of the first clamping groove is smaller than the diameter of the second baffle, the diameter of the second clamping groove is larger than that of the second baffle, and the second clamping groove is positioned on one side, close to the first base, of the first clamping groove; a throat pipe between the first baffle and the second baffle can be clamped in the first clamping groove; the second baffle can be clamped in the second clamping groove;
a first cavity is further formed in one side, close to the second clamping component, of the first fixing plate, and one ends of the two groups of fifth clamping blocks are movably clamped in the first cavity; the other ends of the two groups of fifth clamping blocks are positioned outside the first fixing plate;
one ends of the two groups of fifth clamping blocks, which are positioned in the first cavity, are elastically connected through the second spring; and one ends of the two groups of fifth clamping blocks, which are positioned in the first cavity, are also respectively and fixedly connected with push plates, and the push plates are positioned outside the first fixing plate.
Furthermore, the second clamping assembly comprises a second fixing plate;
the second fixing plate is a rectangular plate, two groups of second sliding grooves are formed below the second fixing plate, and the second sliding grooves are clamped on the first sliding rails in a sliding mode;
a third clamping groove and a fourth clamping groove are formed in one side, close to the first fixing plate, of the second fixing plate, the third clamping groove and the fourth clamping groove are both semi-cylindrical cavities, the third clamping groove and the first clamping groove are symmetrically arranged, and the fourth clamping groove and the second clamping groove are symmetrically arranged;
the throat pipe between the first baffle plate and the second baffle plate can be clamped in the third clamping groove; the second baffle can be clamped in the fourth clamping groove.
Furthermore, a second cavity is further formed in one side, close to the first fixing plate, of the second fixing plate, a third cavity is further formed in the second fixing plate, and the second cavity is communicated with the third cavity; one end of the fifth fixture block, which is positioned outside the first fixing plate, can be clamped in the second cavity and the third cavity.
The invention has the beneficial effects that:
1. through making the choke subassembly upward movement, the third connecting rod rotates to with the second connecting rod is parallel, can with the second connecting rod with the third connecting rod removes in the second through-hole, need not use the instrument, demolish the facility.
2. The third connecting rod of the throat pipe assembly is rotated to be parallel to the second connecting rod, the third connecting rod passes through the second through hole, then the third connecting rod is rotated to be perpendicular to the second connecting rod, the third connecting rod can be clamped in the first mounting groove by the aid of the dead weight of the throat pipe assembly, the mounting is convenient, the third connecting rod is not required to be detached by using tools, the maintenance time is shortened, and the production efficiency is improved.
3. And the second mounting groove of the radiating pipe is aligned to the first clamping block, and the inlet end is sleeved. The second mounting groove extrudes the second fixture block, so that the first fixture block descends in the third mounting groove; after the radiating pipe completely passes through the second clamping block, the second clamping block loses external force extrusion, the first spring resets, the second clamping block prevents the radiating pipe from moving towards one end close to the first connecting rod, so that the radiating pipe is fixed on the throat pipe body, the radiating pipe can be fixed on the throat pipe body without threads, the hidden danger of thread breakage does not exist, and the mounting is simple and convenient.
4. Through pressing the second fixture block, can make the cooling tube is followed break away from on the choke body, demolish the facility, need not use tools, screw thread fracture and the removal degree of difficulty increase that leads to when avoiding using threaded connection, occupy maintenance duration.
5. Inserting the fourth fixture block into the sixth mounting groove by inserting the third fixture block into the fifth mounting groove; pushing the second fixing plate to clamp the second baffle plate in the fourth clamping groove; then, the two groups of push plates are close to each other, and the first fixing plate is pushed to enable the fifth fixture block to enter the second cavity; two sets of push plates are loosened, two sets of fifth fixture blocks are clamped in the third cavity to complete the fixation of the second baffle plate, so that the throat pipe body is fixedly installed in the heating block body, the threaded connection is not needed, the situation of thread fracture is avoided, and the throat pipe is more convenient to install and dismantle.
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 is a schematic structural diagram illustrating a throat fixing device for a 3D printer according to an embodiment of the present invention;
FIG. 2 illustrates a schematic top view of a first mounting portion of an embodiment of the present invention;
FIG. 3 is a schematic bottom view of the first mounting portion of the present invention;
fig. 4 is a schematic structural diagram illustrating a first perspective view of a heat dissipation assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram illustrating a second perspective view of a heat dissipation assembly according to an embodiment of the invention;
FIG. 6 shows a schematic structural view of a throat assembly according to an embodiment of the present invention;
FIG. 7 shows a schematic structural view of a second mounting portion of an embodiment of the present invention;
figure 8 shows a schematic of the structure of a first perspective of a throat body according to an embodiment of the present invention;
figure 9 shows a structural schematic of a second perspective of a throat body according to an embodiment of the present invention;
FIG. 10 is a schematic structural view of a third mounting portion of the embodiment of the present invention;
FIG. 11 illustrates a schematic structural view of a heating block assembly of an embodiment of the present invention;
FIG. 12 shows a schematic structural view of a heating block body of an embodiment of the invention;
FIG. 13 is a schematic view of a first clamping assembly according to an embodiment of the present invention;
FIG. 14 is a cross-sectional schematic view of a first clamping assembly according to an embodiment of the present invention;
FIG. 15 is a schematic diagram of a second clamping assembly according to an embodiment of the invention;
figure 16 shows a cross-sectional structural view of a second clamping assembly according to an embodiment of the invention.
In the figure: 1. a first mounting portion; 11. a first through hole; 12. a second through hole; 13. a first mounting groove; 2. a heat dissipating component; 21. a heat sink; 22. a radiating pipe; 23. a second mounting groove; 3. a throat assembly; 31. a second mounting portion; 311. a first connecting rod; 312. a second connecting rod; 313. a third connecting rod; 32. a throat body; 321. a third mounting groove; 322. a first spring; 323. a first clamping block; 324. an entrance end; 325. a second fixture block; 33. a first baffle plate; 34. a third mounting portion; 341. a second baffle; 342. a third fixture block; 343. a fourth mounting groove; 344. a fourth fixture block; 345. a third through hole; 4. a heating block assembly; 41. a heating block body; 411. a first base; 412. a first slide rail; 413. a fifth mounting groove; 414. a sixth mounting groove; 42. a first clamping assembly; 421. a first fixing plate; 422. a first chute; 423. a first cavity; 424. pushing the plate; 425. a second spring; 426. a first card slot; 427. a fifth clamping block; 428. a second card slot; 43. a second clamping assembly; 431. a second fixing plate; 432. a second chute; 433. a third card slot; 434. a second cavity; 435. a fourth card slot; 436. a third cavity.
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 a throat fixing device for a 3D printer, which comprises a first mounting part 1, a heat dissipation component 2, a throat component 3 and a heating block component 4, and is exemplarily shown in FIG. 1.
The first installation part 1 is used for connecting a feed end (not shown in the figure) of the 3D printer with the throat component 3, and the feed end of the 3D printer is communicated with the throat component 3.
One end of the throat pipe component 3 is clamped in the first mounting part 1, and the other end of the throat pipe component 3 is clamped in the heating block component 4;
the heat dissipation assembly 2 is sleeved on the throat pipe assembly 3 and is located between the first installation portion 1 and the heating block assembly 4. The heating block assembly 4 is used for heating the resin in the throat pipe assembly 3 to a molten state; the heat dissipation assembly 2 is used for accelerating heat dissipation in the throat assembly 3 and preventing molten resin in the throat assembly 3 from blocking a feed inlet of the throat assembly 3 in a reverse flow manner to cause discharge faults of the 3D printer.
The first mounting portion 1 is provided with a first through hole 11, a second through hole 12 and a first mounting groove 13, as shown in fig. 2 and 3 for example.
The first through hole 11 is positioned in the center of the first mounting part 1 and penetrates through the first mounting part 1; a plurality of groups of second through holes 12 are formed around the first through holes 11, and the plurality of groups of second through holes 12 are arranged in an annular array at equal intervals; each group of the second through holes 12 is further provided with a first mounting groove 13, and each group of the first mounting grooves 13 is symmetrical about the center of the first through hole 11.
The heat radiating module 2 includes a heat radiating pipe 22, as shown in fig. 4 and 5, for example.
The radiating pipe 22 is characterized in that a plurality of radiating fins 21 are arranged on the outer wall of the radiating pipe 22, the radiating fins 21 are arranged at equal intervals, and the radiating fins 21 are used for increasing the radiating area of the radiating pipe 22 and accelerating the heat radiation of the radiating pipe 22.
Four sets of second mounting grooves 23 are formed in the inner wall of the radiating pipe 22 in an annular array, and the four sets of second mounting grooves 23 penetrate through two ends of the pipe body of the radiating pipe 22.
Illustratively, several sets of the second mounting grooves 23 may be provided on the inner wall of the radiating pipe 22.
The throat assembly 3 includes a second mount portion 31, a throat body 32, and a third mount portion 34, as shown, for example, in fig. 6.
One end of the second mounting part 31 is clamped in the second through hole 12 and is positioned in the first mounting groove 13; the other end of the second mounting part 31 is fixedly connected with one end of the throat pipe body 32.
The throat body 32 is fastened to the interior of the heat dissipating pipe 22 and fastened to the second mounting groove 23.
The other end of the throat body 32 is provided with a first baffle 33, and the heat dissipation pipe 22 is installed between the first baffle 33 and the first installation part 1. The first blocking plate 33 is used for limiting the radiating pipe 22.
The third mounting part 34 is fixedly mounted on one side of the first baffle 33 away from the second mounting part 31; and the third mounting portion 34 communicates with the throat body 32. The third mounting portion 34 is snap-fitted into the heating block assembly 4.
The second mounting portion 31 includes a first connecting rod 311, a second connecting rod 312, and a third connecting rod 313, as shown in fig. 7 by way of example.
The first connecting rod 311 is cylindrical, one end of the first connecting rod 311 is fixedly connected to one end of the throat body 32 far away from the first baffle 33, and the other end of the first connecting rod 311 is fixedly connected to the second connecting rod 312. The diameter of the first connecting rod 311 is smaller than or equal to the inner diameter of the second through hole 12.
The second connecting rod 312 and the third connecting rod 313 are both semi-cylindrical, and the second connecting rod 312 and the first connecting rod 311 have the same axis. The rectangular surface of the third connecting rod 313 coincides with the rectangular surface of the second connecting rod 312, and the center position of the third connecting rod 313 is hinged at one end of the second connecting rod 312 far away from the first connecting rod 311. When the third connecting rod 313 rotates to be perpendicular to the second connecting rod 312, the third connecting rod 313 can be clamped in the first mounting groove 13.
Illustratively, when the throat assembly 3 needs to be detached from the first mounting portion 1, the second connecting rod 312 and the third connecting rod 313 can be removed from the second through hole 12 by only moving the throat assembly 3 upwards and rotating the third connecting rod 313 to be parallel to the second connecting rod 312, so that the detachment is convenient without using tools. When the throat pipe assembly 3 needs to be installed on the first installation part 1, the third connecting rod 313 of the throat pipe assembly 3 only needs to be rotated to be parallel to the second connecting rod 312, the third connecting rod 313 passes through the second through hole 12, then the third connecting rod 313 is rotated to be perpendicular to the second connecting rod 312, the third connecting rod 313 can be clamped in the first installation groove 13 by the aid of self weight of the throat pipe assembly 3, installation is convenient, disassembly by using tools is not needed, maintenance time is shortened, and production efficiency is improved.
The throat body 32 is provided with a first latch 323, as shown in fig. 8 and 9.
Four groups of third mounting grooves 321 are formed in the throat pipe body 32, and the third mounting grooves 321 penetrate through the throat pipe body 32 to the first baffle 33; a plurality of sets of first springs 322 are disposed on the third mounting groove 321, and the first latch 323 is elastically connected to the third mounting groove 321 through the first springs 322.
A second clamping block 325 is arranged on one side of the first clamping block 323 positioned outside the third mounting groove 321, and the height of one end of the second clamping block 325 close to the first connecting rod 311 is lower than the height of one end of the second clamping block 325 away from the first connecting rod 311; the second latch 325 is used for limiting the radiating pipe 22. An inlet end 324 is disposed at one end of the throat body 32 close to the first connecting rod 311, and the height of the inlet end 324 close to the first connecting rod 311 is lower than that of the inlet end 324 close to the second clamping block 325, so that the heat dissipation tube 22 is clamped on the throat body 32 from the inlet end 324.
Illustratively, the second mounting groove 23 of the radiating pipe 22 is aligned with the first latch 323, and is sleeved from the inlet end 324. The second installation groove 23 presses the second latch 325, so that the first latch 323 descends in the third installation groove 321; after the heat pipe 22 completely passes through the second latch 325, the second latch 325 loses the external force to press, the first spring 322 is reset, and the second latch 325 prevents the heat pipe 22 from moving toward the end close to the first connection rod 311, so that the heat pipe 22 is fixed on the throat body 32, and the heat pipe 22 can be fixed on the throat body 32 without using a screw. When the heat dissipation pipe 22 needs to be removed from the throat body 32, the heat dissipation pipe 22 can be detached from the throat body 32 only by pressing the second clamping block 325, so that the disassembly is convenient, a tool is not needed, and the increase of the disassembly difficulty caused by the fracture of the threads during the use of the threaded connection and the occupation of the production time are avoided.
The third mounting portion 34 includes a second blocking plate 341, a third blocking block 342 and a fourth blocking block 344, as shown in fig. 10.
The second baffle 341 is fixedly installed on one side of the first baffle 33 away from the first connecting rod 311, and is fixedly connected with the throat body 32.
The third fixture block 342 and the fourth fixture block 344 are both annular and are coaxially arranged with the throat body 32.
The inner diameter of the third tap 342 is greater than the inner diameter of the fourth tap 344. A fourth mounting groove 343 is formed between the third fixture block 342 and the fourth fixture block 344, a third through hole 345 is formed in the fourth fixture block 344, and the third through hole 345 penetrates through the throat pipe body 32 and is communicated with the first through hole 11.
The heater block assembly 4 includes a heater block body 41, a first clip assembly 42, and a second clip assembly 43, as shown, for example, in fig. 11.
The third fixture block 342 and the fourth fixture block 344 are clamped in the heating block body 41; and the third through hole 345 communicates with the heating block body 41.
The first clamping assembly 42 and the second clamping assembly 43 are movably clamped on the heating block body 41; the second blocking plate 341 is clamped in the first clamping assembly 42 and the second clamping assembly 43.
The heating block body 41 includes a first base 411, and two sets of first sliding rails 412 are disposed on the first base 411, as shown in fig. 12 for example.
The first clamping assembly 42 and the second clamping assembly 43 are movably clamped on the first slide rail 412.
A fifth installation groove 413 and a sixth installation groove 414 are further formed in the first base 411, and the inner diameter of the fifth installation groove 413 is larger than that of the sixth installation groove 414; the third block 342 can be clamped in the fifth mounting groove 413, and the fourth block 344 can be clamped in the sixth mounting groove 414; the sixth installation groove 414 communicates with the third through hole 345.
The first latch assembly 42 includes a first retaining plate 421, a second spring 425, and a fifth latch 427, as shown in fig. 13 and 14 for example.
The first fixing plate 421 is a rectangular plate, two sets of first sliding grooves 422 are disposed below the first fixing plate 421, and the first sliding grooves 422 are slidably connected to the first sliding rails 412.
A first clamping groove 426 and a second clamping groove 428 are arranged on one side of the first fixing plate 421 close to the second clamping component 43, and the first clamping groove 426 and the second clamping groove 428 are both semi-cylindrical cavities.
The inner diameter of the first engaging groove 426 is smaller than the diameter of the second blocking plate 341, the second engaging groove 428 is larger than the diameter of the second blocking plate 341, and the second engaging groove 428 is located on a side of the first engaging groove 426 close to the first base 411. The throat between the first baffle 33 and the second baffle 341 can be clamped in the first clamping groove 426; the second shutter 341 is adapted to be engaged with the second card slot 428.
A first cavity 423 is further formed in one side of the first fixing plate 421 close to the second clamping component 43, and one ends of the two sets of fifth clamping blocks 427 are movably clamped in the first cavity 423; the other ends of the two sets of fifth latches 427 are located outside the first fixing plate 421.
One ends of the two sets of fifth clamping blocks 427, which are positioned in the first cavity 423, are elastically connected through the second spring 425; one ends of the two sets of fifth latch 427, which are located in the first cavity 423, are also fixedly connected with push plates 424, respectively, and the push plates 424 are located outside the first fixing plate 421.
The second clamping assembly 43 includes a second fixing plate 431, as shown in fig. 15 and 16 for example.
The second fixing plate 431 is a rectangular plate, two sets of second sliding grooves 432 are formed below the second fixing plate 431, and the second sliding grooves 432 are slidably clamped on the first sliding rails 412.
A third clamping groove 433 and a fourth clamping groove 435 are arranged on one side, close to the first fixing plate 421, of the second fixing plate 431, the third clamping groove 433 and the fourth clamping groove 435 are both semi-cylindrical cavities, the third clamping groove 433 is arranged symmetrically to the first clamping groove 426, and the fourth clamping groove 435 is arranged symmetrically to the second clamping groove 428.
The throat pipe between the first baffle 33 and the second baffle 341 can be clamped in the third clamping groove 433; the second blocking plate 341 can be clipped in the fourth clipping groove 435.
A second cavity 434 is further disposed on one side of the second fixing plate 431, which is close to the first fixing plate 421, and a third cavity 436 is further disposed in the second fixing plate 431, and the second cavity is communicated with the third cavity 436; one end of the fifth latch 427, which is located outside the first fixing plate 421, can be snapped into the second cavity 434 and the third cavity 436.
Illustratively, the third latch 342 is inserted into the fifth mounting groove 413, and the fourth latch 344 is inserted into the sixth mounting groove 414; pushing the second fixing plate 431 to clamp the second baffle 341 in the fourth locking slot 435; then, the two sets of push plates 424 are closed, and the first fixing plate 421 is pushed to enable the fifth latch 427 to enter the second cavity 434; two sets of the push plates 424 are loosened, two sets of the fifth fixture blocks 427 are clamped in the third cavity 436, the second baffle 341 is fixed, and the throat pipe body 32 is fixedly installed in the heating block body 41. Need not to utilize threaded connection, avoid the cracked condition of screw thread to take place, make the installation and the dismantlement of choke more convenient.
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 is choke fixing device for printer which characterized in that: the heat dissipation device comprises a first mounting part (1), a heat dissipation assembly (2), a throat pipe assembly (3) and a heating block assembly (4);
the throat pipe assembly (3) comprises a second mounting part (31), a throat pipe body (32) and a third mounting part (34);
one end of the second mounting part (31) is clamped in the first mounting part (1); the other end of the second mounting part (31) is fixedly connected with one end of the throat pipe body (32);
a first baffle (33) is arranged at the other end of the throat pipe body (32), and the heat dissipation assembly (2) is installed between the first baffle (33) and the first installation part (1);
the third mounting part (34) is fixedly mounted on one side, away from the second mounting part (31), of the first baffle (33), and the third mounting part (34) is communicated with the throat pipe body (32);
the heating block assembly (4) comprises a heating block body (41), a first clamping assembly (42) and a second clamping assembly (43); the first clamping assembly (42) and the second clamping assembly (43) are movably clamped on the heating block body (41);
the third mounting part (34) is clamped in the heating block body (41), and the third mounting part (34) is communicated with the heating block body (41);
the third installation part (34) is connected with the first clamping assembly (42) and the second clamping assembly (43) in a clamping mode.
2. The throat fixing device for a 3D printer according to claim 1, wherein: the first mounting part (1) is provided with a first through hole (11), a second through hole (12) and a first mounting groove (13);
the first through hole (11) is positioned in the center of the first mounting part (1) and penetrates through the first mounting part (1);
a plurality of groups of second through holes (12) are formed around the first through hole (11), and the plurality of groups of second through holes (12) are arranged in an annular array at equal intervals; each group of the second through holes (12) is also provided with a first mounting groove (13), and each group of the first mounting grooves (13) is symmetrical about the center of the first through hole (11).
3. The throat fixing device for a 3D printer according to claim 1, wherein: the heat dissipation assembly (2) comprises a heat dissipation pipe (22);
a plurality of groups of radiating fins (21) are arranged on the outer wall of the radiating pipe (22), and the plurality of groups of radiating fins (21) are arranged at equal intervals;
a plurality of groups of second mounting grooves (23) are formed in the inner wall of the radiating pipe (22), and the second mounting grooves (23) penetrate through two ends of the pipe body of the radiating pipe (22).
4. The throat fixing device for the 3D printer according to claim 2, wherein: the second mounting part (31) comprises a first connecting rod (311), a second connecting rod (312) and a third connecting rod (313);
the first connecting rod (311) is cylindrical, one end of the first connecting rod (311) is fixedly connected with one end, far away from the first baffle (33), of the throat pipe body (32), and the other end of the first connecting rod (311) is fixedly connected with the second connecting rod (312); the diameter of the first connecting rod (311) is smaller than or equal to the inner diameter of the second through hole (12);
the second connecting rod (312) and the third connecting rod (313) are both semi-cylindrical, and the second connecting rod (312) and the first connecting rod (311) are coaxial; the rectangular surface of the third connecting rod (313) is superposed with the rectangular surface of the second connecting rod (312), and the central position of the third connecting rod (313) is hinged at one end of the second connecting rod (312) far away from the first connecting rod (311); when the third connecting rod (313) rotates to be vertical to the second connecting rod (312), the third connecting rod (313) can be clamped in the first mounting groove (13).
5. The throat fixing device for the 3D printer according to claim 4, wherein: a first fixture block (323) is arranged on the throat pipe body (32);
four groups of third mounting grooves (321) are formed in the throat pipe body (32), and the third mounting grooves (321) penetrate through the throat pipe body (32) to the first baffle (33); a plurality of groups of first springs (322) are arranged on the third mounting groove (321), and the first fixture block (323) is elastically connected with the third mounting groove (321) through the first springs (322);
a second clamping block (325) is arranged on one side, located outside the third mounting groove (321), of the first clamping block (323), and the height of one end, close to the first connecting rod (311), of the second clamping block (325) is lower than the height of one end, far away from the first connecting rod (311), of the second clamping block (325);
an entering end (324) is arranged at one end, close to the first connecting rod (311), of the throat pipe body (32), and the height of one end, close to the first connecting rod (311), of the entering end (324) is lower than that of one end, close to the second clamping block (325), of the entering end (324).
6. The throat fixing device for the 3D printer according to claim 5, wherein: the third mounting part (34) comprises a second baffle (341), a third clamping block (342) and a fourth clamping block (344);
the second baffle (341) is fixedly arranged on one side of the first baffle (33) far away from the first connecting rod (311) and is fixedly connected with the throat pipe body (32);
the third fixture block (342) and the fourth fixture block (344) are both annular and are coaxially arranged with the throat pipe body (32);
the inner diameter of the third fixture (342) is larger than that of the fourth fixture (344); a fourth mounting groove (343) is formed between the third fixture block (342) and the fourth fixture block (344), a third through hole (345) is formed in the fourth fixture block (344), and the third through hole (345) penetrates through the throat pipe body (32) and is communicated with the first through hole (11).
7. The throat fixing device for a 3D printer according to claim 1 or 6, wherein: the heating block body (41) comprises a first base (411), and two groups of first sliding rails (412) are arranged on the first base (411);
the first clamping component (42) and the second clamping component (43) are movably clamped on the first sliding rail (412);
a fifth mounting groove (413) and a sixth mounting groove (414) are further formed in the first base (411), and the inner diameter of the fifth mounting groove (413) is larger than that of the sixth mounting groove (414); the third fixture block (342) can be clamped in the fifth mounting groove (413), and the fourth fixture block (344) can be clamped in the sixth mounting groove (414); the sixth mounting groove (414) communicates with the third through hole (345).
8. The throat fixing device for a 3D printer according to claim 7, wherein: the first clamping assembly (42) comprises a first fixing plate (421), a second spring (425) and a fifth clamping block (427);
the first fixing plate (421) is a rectangular plate, two groups of first sliding grooves (422) are formed below the first fixing plate (421), and the first sliding grooves (422) are slidably clamped on the first sliding rails (412);
a first clamping groove (426) and a second clamping groove (428) are formed in one side, close to the second clamping component (43), of the first fixing plate (421), and the first clamping groove (426) and the second clamping groove (428) are both semi-cylindrical cavities;
the inner diameter of the first clamping groove (426) is smaller than the diameter of the second baffle (341), the second clamping groove (428) is larger than the diameter of the second baffle (341), and the second clamping groove (428) is positioned on one side, close to the first base (411), of the first clamping groove (426); the throat pipe between the first baffle plate (33) and the second baffle plate (341) can be clamped in the first clamping groove (426); the second baffle (341) can be clamped in the second clamping groove (428);
a first cavity (423) is further formed in one side, close to the second clamping component (43), of the first fixing plate (421), and one ends of two groups of fifth clamping blocks (427) are movably clamped in the first cavity (423); the other ends of the two groups of fifth clamping blocks (427) are positioned outside the first fixing plate (421);
one ends of the two groups of fifth clamping blocks (427) positioned in the first cavity (423) are elastically connected through the second spring (425); one ends of the two groups of fifth clamping blocks (427) in the first cavity (423) are also fixedly connected with a push plate (424) respectively, and the push plate (424) is located outside the first fixing plate (421).
9. The throat fixing device for a 3D printer according to claim 8, wherein: the second clamping assembly (43) comprises a second fixing plate (431);
the second fixing plate (431) is a rectangular plate, two groups of second sliding grooves (432) are formed below the second fixing plate (431), and the second sliding grooves (432) are clamped on the first sliding rails (412) in a sliding mode;
a third clamping groove (433) and a fourth clamping groove (435) are formed in one side, close to the first fixing plate (421), of the second fixing plate (431), the third clamping groove (433) and the fourth clamping groove (435) are both semi-cylindrical cavities, the third clamping groove (433) and the first clamping groove (426) are symmetrically arranged, and the fourth clamping groove (435) and the second clamping groove (428) are symmetrically arranged;
the throat pipe between the first baffle (33) and the second baffle (341) can be clamped in the third clamping groove (433); the second baffle (341) can be clamped in the fourth clamping groove (435).
10. The throat fixing device for a 3D printer according to claim 9, wherein: a second cavity (434) is further formed in one side, close to the first fixing plate (421), of the second fixing plate (431), a third cavity (436) is further formed in the second fixing plate (431), and the second cavity is communicated with the third cavity (436); one end of the fifth clamping block (427) positioned outside the first fixing plate (421) can be clamped in the second cavity (434) and the third cavity (436).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110052368.2A CN112776330A (en) | 2021-01-15 | 2021-01-15 | 3D is choke fixing device for printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110052368.2A CN112776330A (en) | 2021-01-15 | 2021-01-15 | 3D is choke fixing device for printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112776330A true CN112776330A (en) | 2021-05-11 |
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ID=75756754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110052368.2A Pending CN112776330A (en) | 2021-01-15 | 2021-01-15 | 3D is choke fixing device for printer |
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| Country | Link |
|---|---|
| CN (1) | CN112776330A (en) |
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| CN109630524A (en) * | 2018-12-15 | 2019-04-16 | 盐城得力复合材料有限公司 | A kind of metal fixture of joinery and its construction |
| CN209937722U (en) * | 2019-05-28 | 2020-01-14 | 河北虹天电气科技有限公司 | Split type fast-assembling printer nozzle assembly |
| CN211542386U (en) * | 2019-12-06 | 2020-09-22 | 深圳市极光尔沃科技股份有限公司 | FDM 3D printer quick change shower nozzle structure |
| CN111745953A (en) * | 2020-08-03 | 2020-10-09 | 锐力斯传动系统（苏州）有限公司 | 3D printing head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205970009U (en) * | 2016-06-28 | 2017-02-22 | 杭州铭展网络科技有限公司 | 3D printer nozzle fast dismantle device |
| CN207514447U (en) * | 2017-11-14 | 2018-06-19 | 深圳市爱普克流体技术有限公司 | A kind of trunnion connector |
| CN109630524A (en) * | 2018-12-15 | 2019-04-16 | 盐城得力复合材料有限公司 | A kind of metal fixture of joinery and its construction |
| CN209937722U (en) * | 2019-05-28 | 2020-01-14 | 河北虹天电气科技有限公司 | Split type fast-assembling printer nozzle assembly |
| CN211542386U (en) * | 2019-12-06 | 2020-09-22 | 深圳市极光尔沃科技股份有限公司 | FDM 3D printer quick change shower nozzle structure |
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Application publication date: 20210511 |
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