CN212737080U

CN212737080U - Quick disassembly and assembly component of 3D printer nozzle

Info

Publication number: CN212737080U
Application number: CN202020937259.XU
Authority: CN
Inventors: 谢先德
Original assignee: Sichuan Deyong Technology Co ltd
Current assignee: Sichuan Deyong Technology Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-03-19
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a swift dismouting subassembly of 3D print head belongs to 3D and prints technical field, including sliding seat, guide rail cover and mount, sliding seat upside both ends symmetry integrated into one piece has the guide rail cover. Has the advantages that: the utility model discloses a track transmission case that sets up, the race groove, compress tightly the pulley, spring and athey wheel, make and closely laminate between drive track and the athey wheel, and then guarantee drive track's transmission effect, guarantee the removal precision of subassembly, elasticity knob through setting up, threaded rod and pinch roller, make distance between pinch roller and the unloading gear adjust according to the in-service use demand, and then make the dynamics that compresses tightly of pinch roller obtain adjusting, reduce the degree of wear of unloading gear, prolong the life of unloading gear, the input cost is reduced.

Description

Quick disassembly and assembly component of 3D printer nozzle

Technical Field

The utility model belongs to 3D printer subassembly field, concretely relates to 3D print head's swift dismouting subassembly.

Background

In the 3D printing equipment, a nozzle assembly is a core component for determining the forming printing quality. The head assembly is required to be mounted on a moving shaft to perform a movement in a three-dimensional direction, and a number of key components are concentrated on the head holder, and the components are required to be periodically maintained after a long time of work, which requires periodic disassembly and assembly of the head assembly. And in the long-time printing process, the spray head assembly is required to have higher fixed connection stability.

Present shower nozzle subassembly is when using, only be connected through the athey wheel between transmission track and the subassembly, the track can not closely laminate with the athey wheel at the removal in-process, influence the transmission effect of track, and then influence the removal precision of subassembly, and simultaneously, current subassembly is when using, unloading gear compresses tightly the unloading with the spring pinch roller to raw and other materials, can not adjust the dynamics that compresses tightly according to the characteristic of different materials, make the unloading gear serious in wearing and tearing after using a period, shorten the life of unloading gear, increase the input cost, and, current subassembly is when using, the feeding motor dispels the heat through the shell, the radiating effect is general, influence the behavior of feeding motor, and then influence the feeding process, consequently, need a utility model to solve current problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a swift dismouting subassembly of 3D print head to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a quick disassembly and assembly component of a 3D printer nozzle comprises a sliding seat, a guide rail sleeve and a fixing frame, wherein the guide rail sleeve is symmetrically and integrally formed at two ends of the upper side of the sliding seat, the fixing frame is arranged at the lower side of the sliding seat, a sliding bearing is arranged at the inner side of the guide rail sleeve, feeding fixing pipes are symmetrically arranged between the guide rail sleeves, a stepping motor is arranged at the center of the upper side of the sliding seat, a track transmission box is arranged at the upper end of the stepping motor, symmetrical track grooves are integrally formed on the track transmission box, a crawler wheel is arranged in the middle of the track grooves, a pressing pulley is arranged at one side of the track grooves, which is far away from the crawler wheel, a spring is arranged at one end of the pressing pulley, a rectangular fan blade is arranged at the lower end of the stepping motor, filter screens are arranged on, the utility model discloses a filter screen, including mount, filter screen, feeding case, feeding motor, radiating fin, feed pipe, feed gear, radiating motor, radiating fin, feed gear.

Preferably, the parts on the inner side of the upper part of the fixing frame are symmetrically arranged, the sliding bearings are connected with the guide rail sleeves in a clamping manner, and the feeding fixing pipe is connected with the sliding seat through threads.

Preferably, the stepping motor is connected with the crawler transmission case through a bearing, the stepping motor is connected with the sliding seat through a screw, and the crawler transmission case is connected with the pressing pulley through the spring.

Preferably, the crawler wheel is connected with the stepping motor key, the fixing frame is connected with the sliding seat through screws, and the fixing frame is connected with the feeding box through screws.

Preferably, the feeding box with the feeding motor passes through the screw connection, the feeding motor with the heat-conducting plate block is connected, the rectangle flabellum with the step motor key-type connection, the feeding motor with unloading gear key-type connection.

Preferably, the pinch roller is rotatably connected with the threaded rod, the elastic knob is connected with the threaded rod in an inserted mode, the radiating fin is connected with the feeding box through screws, and the radiating frame is connected with the feeding box through screws.

Preferably, the heat dissipation frame with the heat dissipation motor passes through bolted connection, the heat dissipation motor with heat dissipation fan key-type connection, the mount is U type structure, the shower nozzle with the feeding case passes through threaded connection.

Preferably, the filter screen with the heat-conducting plate block is connected, and the symmetry sets up the feeding case corresponds the printing raw and other materials that get into the difference.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in order to solve the problems that when the existing spray head assembly is used, the transmission crawler and the assembly are connected only through the crawler wheel, the crawler cannot be tightly attached to the crawler wheel in the moving process, the transmission effect of the crawler is influenced, and the moving precision of the assembly is further influenced, the utility model discloses a crawler transmission case, the crawler groove, the pressing pulley, the spring and the crawler wheel are arranged, so that the transmission crawler and the crawler wheel are tightly attached to each other, the transmission effect of the transmission crawler is further ensured, and the moving precision of the assembly is ensured;

2. in order to solve the problems that when the existing assembly is used, the blanking gear and the spring pressing wheel are used for pressing and blanking raw materials, and the pressing force cannot be adjusted according to the characteristics of different materials, so that the blanking gear is seriously abraded after being used for a period of time, the service life of the blanking gear is shortened, and the input cost is increased, the utility model discloses a set tightness knob, a threaded rod and a pressing wheel, so that the distance between the pressing wheel and the blanking gear can be adjusted according to the actual use requirement, the pressing force of the pressing wheel is adjusted, the abrasion degree of the blanking gear is reduced, the service life of the blanking gear is prolonged, and the input cost is reduced;

3. for solving current subassembly when using, the feeding motor dispels the heat through the shell, and the radiating effect is general, influences the behavior of feeding motor, and then influences the problem of feeding process, the utility model discloses a filter screen, rectangle flabellum and the heat-conducting plate that sets up for the heat of feeding motor can transmit on the heat-conducting plate, and it is rotatory to drive rectangle flabellum through step motor, in time gives off the heat on the heat-conducting plate, improves the radiating effect, guarantees the behavior of feeding motor, and then guarantees that the feeding process is stable goes on.

Drawings

Fig. 1 is a front view of a quick-release assembly of a 3D printer head according to the present invention;

fig. 2 is a left side view of the quick assembly/disassembly assembly of the 3D printer head according to the present invention;

FIG. 3 is a top view of a track gear box in the quick-release assembly of the 3D printer head according to the present invention;

fig. 4 is a left cross-sectional view of the stepping motor and the filter screen in the quick assembly and disassembly assembly of the 3D printer head according to the present invention;

figure 5 is a left side cross-sectional view of feeding case in 3D print head's swift dismouting subassembly.

In the figure: 1. a sliding seat; 2. a guide rail sleeve; 3. a sliding bearing; 4. a fixed mount; 5. a heat dissipation motor; 6. a heat dissipation fan; 7. a heat sink; 8. a heat dissipation frame; 9. a feeding box; 10. a spray head; 11. a feeding motor; 12. a feed holding tube; 13. a filter screen; 14. a stepping motor; 15. a crawler belt transmission case; 16. a track groove; 17. a pressing pulley; 18. a spring; 19. a crawler wheel; 20. a heat conducting plate; 21. rectangular fan blades; 22. tightening and loosening the knob; 23. a discharging pipe; 24. a blanking gear; 25. a pinch roller; 26. a threaded rod.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1-5, the present invention provides a technical solution for a quick assembly/disassembly assembly of a 3D printer head: the device comprises a sliding seat 1, guide rail sleeves 2 and a fixing frame 4, wherein the guide rail sleeves 2 are symmetrically and integrally formed at two ends of the upper side of the sliding seat 1, the fixing frame 4 is arranged at the lower side of the sliding seat 1, sliding bearings 3 are arranged at the inner sides of the guide rail sleeves 2, feeding fixing pipes 12 are symmetrically arranged between the guide rail sleeves 2, a stepping motor 14 is arranged at the center of the upper side of the sliding seat 1, a track transmission case 15 is arranged at the upper end of the stepping motor 14, symmetrical track grooves 16 are integrally formed in the track transmission case 15, a track wheel 19 is arranged in the middle of the track groove 16, a pressing pulley 17 is arranged at one side of the track groove 16 far away from the track wheel 19, a spring 18 is arranged at one end of the pressing pulley 17 far away from the track wheel 19, rectangular fan blades 21 are arranged at the lower end of the stepping motor 14, filter screens, feeding motor 11 keeps away from filter screen 13 one side and is provided with feeding case 9, feeding case 9 keeps away from feeding motor 11 one side and is provided with fin 7, fin 7 keeps away from feeding case 9 one side and is provided with heat dissipation frame 8, heat dissipation frame 8 center is provided with heat dissipation motor 5, heat dissipation motor 5 is close to 7 one end of fin and is provided with heat dissipation fan 6, the inboard integrated into one piece of feeding case 9 has unloading pipe 23, unloading pipe 23 one side is provided with unloading gear 24, unloading gear 24 one side is provided with pinch roller 25, pinch roller 25 one side is provided with threaded rod 26, pinch roller 25 one end is kept away from to threaded rod 26 is provided with elasticity knob 22, feeding case 9 lower extreme is.

In this embodiment, preferably, the inside spare part symmetry in mount 4 upper portion sets up, and slide bearing 3 is connected with the block of guide rail cover 2, and feeding fixed tube 12 passes through threaded connection with sliding seat 1, and slide bearing 3 can guarantee to slide between guide rail cover 2 and the sliding guide and stably, guarantees that sliding seat 1 removes smoothly, and feeding fixed tube 12 can guarantee that raw and other materials feeding process is stable.

In this embodiment, preferably, the stepping motor 14 is connected to the track transmission case 15 through a bearing, the stepping motor 14 is connected to the sliding seat 1 through a screw, the track transmission case 15 is connected to the pressing pulley 17 through a spring 18, and the stepping motor 14 rotates through the track wheel 19, so that the sliding seat 1 can move laterally.

In this embodiment, preferably, the track wheel 19 is connected with the stepping motor 14, the fixing frame 4 is connected with the sliding seat 1 through screws, the fixing frame 4 is connected with the feeding box 9 through screws, and the fixing frame 4 can fixedly connect the feeding box 9 and the feeding motor 11, so as to ensure the stability of the spray head 10 and ensure the discharging accuracy of the spray head 10.

In this embodiment, it is preferred, feeding case 9 passes through the screw connection with feeding motor 11, feeding motor 11 is connected with the block of heat-conducting plate 20, rectangle flabellum 21 and the 14 key-type connection of step motor, feeding motor 11 and the 24 key-type connections of unloading gear, heat-conducting plate 20 can absorb the heat of transmission feeding motor 11, rectangle flabellum 21 rotates fast under step motor 14's drive, and then can in time take away the heat on the heat-conducting plate 20, play fine radiating effect, guarantee feeding motor 11 job stabilization.

In this embodiment, preferably, the pinch roller 25 is rotationally connected with the threaded rod 26, the elastic knob 22 is inserted into the threaded rod 26, the heat radiating fin 7 is connected with the feeding box 9 through screws, the heat radiating frame 8 is connected with the feeding box 9 through screws, the heat radiating fin 7 can radiate heat and cool the feeding box 9, and the heating element in the spray head 10 is prevented from transferring heat to the feeding box 9, so that raw materials are prevented from being melted in advance by the transferred heat, and the feeding process is guaranteed to be normally performed.

In this embodiment, preferably, heat dissipation frame 8 passes through bolted connection with heat dissipation motor 5, and heat dissipation motor 5 and 6 key-type connections of heat dissipation fan, mount 4 are U type structure, and shower nozzle 10 passes through threaded connection with feeding box 9, and heat dissipation frame 8 makes heat dissipation motor 5 effectively fixed, and then makes heat dissipation fan 6 can stably rotate, improves the radiating effect.

In this embodiment, preferably, the filter screen 13 is connected with the heat conducting plates 20 in a clamping manner, the symmetrically arranged feeding boxes 9 correspondingly enter different printing raw materials, the filter screen 13 can filter air entering between the heat conducting plates 20, dust is prevented from entering the accumulating box, and the heat dissipation effect of the heat conducting plates 20 is ensured.

The utility model discloses a theory of operation and use flow: firstly, a sliding guide rail penetrates through a guide rail sleeve 2, then a transmission track is fixed in a track groove 16, a compaction pulley 17 is tightly pressed on the transmission track, a track wheel 19 is tightly attached to the transmission track, the transmission stability of the transmission track is ensured, the moving accuracy of a sliding seat 1 is further ensured, after the connection is completed, raw materials are penetrated into a feeding fixing pipe 12, a feeding motor 11 drives a blanking gear 24 to rotate, the raw materials are driven to be squeezed between the blanking gear 24 and a compaction wheel 25, the distance between the compaction wheel 25 and the blanking gear 24 can be adjusted according to the types of the raw materials, a loosening knob 22 is rotated, a threaded rod 26 drives the compaction wheel 25 to horizontally move, the compaction force of the blanking gear 24 is ensured, the abrasion degree of the blanking gear 24 is further reduced, the service life of the blanking gear 24 is prolonged, the investment cost is reduced, the raw materials enter a spray head 10 through a feeding box, heating element in the shower nozzle 10 heats the melting to raw and other materials, raw and other materials after melting spout in the shower nozzle 10, accomplish and print, step motor 14 when driving athey wheel 19 and rotate, also can drive rectangle flabellum 21 and rotate, and then can in time distribute the absorptive heat of feeding motor 11 of heat-conducting plate 20, reduce the temperature of feeding motor 11, guarantee that feeding motor 11 can normally work, and then guarantee that the feeding process normally goes on, heat dissipation motor 5 drives heat dissipation fan 6 and rotates fast, and then make the absorptive heat of feeding box 9 of fin 7 distribute, avoid the heat on the feeding box 9 too much.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The utility model provides a swift dismouting subassembly of 3D print head which characterized in that: comprises a sliding seat (1), a guide rail sleeve (2) and a fixing frame (4), wherein the guide rail sleeve (2) is symmetrically and integrally formed at the two ends of the upper side of the sliding seat (1), the fixing frame (4) is arranged at the lower side of the sliding seat (1), a sliding bearing (3) is arranged at the inner side of the guide rail sleeve (2), a feeding fixing pipe (12) is symmetrically arranged between the guide rail sleeves (2), a stepping motor (14) is arranged at the center of the upper side of the sliding seat (1), a track transmission box (15) is arranged at the upper end of the stepping motor (14), a symmetrical track groove (16) is integrally formed on the track transmission box (15), a track wheel (19) is arranged in the middle of the track groove (16), the track groove (16) is far away from a pressing pulley (17) arranged on one side of the track wheel (19), the pressing pulley (17) is far away from one end, the lower end of the stepping motor (14) is provided with a rectangular fan blade (21), two external symmetrical side faces of the rectangular fan blade (21) are provided with filter screens (13), two external symmetrical side faces of the rectangular fan blade (21) are provided with heat conducting plates (20), the upper side inside the fixing frame (4) is symmetrically provided with a feeding motor (11), one side, far away from the filter screens (13), of the feeding motor (11) is provided with a feeding box (9), one side, far away from the feeding motor (11), of the feeding box (9) is provided with a radiating fin (7), one side, far away from the feeding box (9), of the radiating fin (7) is provided with a radiating frame (8), the center of the radiating frame (8) is provided with a radiating motor (5), one end, close to the radiating fin (7), of the radiating motor (5) is provided with a radiating fan (6), the feeding device is characterized in that a feeding gear (24) is arranged on one side of the feeding pipe (23), a pressing wheel (25) is arranged on one side of the feeding gear (24), a threaded rod (26) is arranged on one side of the pressing wheel (25), an elastic knob (22) is arranged at one end, far away from the pressing wheel (25), of the threaded rod (26), and a spray head (10) is arranged at the lower end of the feeding box (9).

2. The quick-to-detach assembly for the 3D printer nozzle according to claim 1, wherein the assembly comprises: the parts on the inner side of the upper part of the fixing frame (4) are symmetrically arranged, the sliding bearing (3) is clamped and connected with the guide rail sleeve (2), and the feeding fixing pipe (12) is in threaded connection with the sliding seat (1).

3. The quick-to-detach assembly for the 3D printer nozzle according to claim 1, wherein the assembly comprises: the stepping motor (14) is connected with the crawler belt transmission box (15) through a bearing, the stepping motor (14) is connected with the sliding seat (1) through a screw, and the crawler belt transmission box (15) is connected with the pressing pulley (17) through the spring (18).

4. The quick-to-detach assembly for the 3D printer nozzle according to claim 1, wherein the assembly comprises: the crawler wheel (19) is connected with the stepping motor (14) in a key mode, the fixing frame (4) is connected with the sliding seat (1) through screws, and the fixing frame (4) is connected with the feeding box (9) through screws.

5. The quick-to-detach assembly for the 3D printer nozzle according to claim 1, wherein the assembly comprises: the feeding box (9) is connected with the feeding motor (11) through screws, the feeding motor (11) is connected with the heat conducting plate (20) through clamping, the rectangular fan blades (21) are connected with the stepping motor (14) in a key mode, and the feeding motor (11) is connected with the blanking gear (24) in a key mode.

6. The quick-to-detach assembly for the 3D printer nozzle according to claim 1, wherein the assembly comprises: the pressing wheel (25) is rotatably connected with the threaded rod (26), the elastic knob (22) is connected with the threaded rod (26) in an inserted mode, the radiating fin (7) is connected with the feeding box (9) through screws, and the radiating frame (8) is connected with the feeding box (9) through screws.

7. The quick-to-detach assembly for the 3D printer nozzle according to claim 1, wherein the assembly comprises: the heat dissipation frame (8) is connected with the heat dissipation motor (5) through bolts, the heat dissipation motor (5) is connected with the heat dissipation fan (6) in a key mode, the fixing frame (4) is of a U-shaped structure, and the spray head (10) is connected with the feeding box (9) through threads.

8. The quick-to-detach assembly for the 3D printer nozzle according to claim 1, wherein the assembly comprises: the filter screen (13) is connected with the heat conducting plate (20) in a clamping mode, and the symmetrically arranged feeding boxes (9) correspondingly enter different printing raw materials.