CN213733409U

CN213733409U - Discharging head heating device of material extruding type 3D printer

Info

Publication number: CN213733409U
Application number: CN202022154588.XU
Authority: CN
Inventors: 柯尊来; 刘继舟
Original assignee: Wuhu Yingluo Intelligent Manufacturing Co ltd
Current assignee: Wuhu Yingluo Intelligent Manufacturing Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-07-20
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a discharging head heating device of a material extruding type 3D printer, which comprises a discharging pipe and a heat conducting sleeve, wherein the bottom of the discharging pipe is fixedly provided with a discharging nozzle, the heat conducting sleeve is sleeved outside the discharging pipe, the lateral part of the discharging pipe is fixedly connected with insertion plates which are symmetrically arranged, and the lateral part of the heat conducting sleeve is integrally formed with insertion grooves which are symmetrically arranged; through heat conduction cover, the heating pipe, extrude screw rod and sealed bearing's design, heat conduction cover heats the raw and other materials in the discharging pipe with the heating pipe, it carries out supplementary pay-off to extrude screw rod and sealed bearing to the raw and other materials in the discharging pipe to set up in the discharging pipe, thereby melt the ejection of compact of filling raw and other materials in the improvement discharging pipe, design through inserting groove and plugboard, the plugboard on the discharging pipe is pegged graft with the inserting groove on the heat conduction cover and is installed, thereby make things convenient for discharging pipe and heating device's dismouting, can be convenient at heating device's replacement maintenance.

Description

Discharging head heating device of material extruding type 3D printer

Technical Field

The utility model relates to a 3D printer technical field specifically is a material extruding type 3D printer's ejection of compact head heating device.

Background

The 3D printer, also called three-dimensional printer, is a machine of an accumulative manufacturing technique, i.e. a rapid prototyping technique, which is a machine based on a digital model file, and manufactures a three-dimensional object by printing a layer of adhesive material by using a special wax material, powdered metal or plastic and the like. State of the art three-dimensional printers are used to manufacture products. Techniques for building objects in a layer-by-layer printing manner. The principle of the 3D printer is that data and raw materials are put into the 3D printer, and the machine can build the product layer by layer according to the program.

After raw materials of the 3D printer are heated and melted, the raw materials are heated and sprayed out from a discharging head of the printer and then cooled to be solid, however, the discharging head in the prior art is poor in heating effect and short in heating effect, and the heating effect of a heating device can affect the extrusion effect of the discharging head when the material extruding printer is adapted to; in addition, a conventional heating device is generally directly integrated on the discharging head, and the dismounting and mounting are very inconvenient, so that the discharging head heating device of the extruding type 3D printer needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crowded material formula 3D printer's ejection of compact head heating device, through set up the ejection of compact of pivoted screw rod printer under to the heating state in the discharging pipe assist the ejection of compact, set up the structure that can assemble in discharging pipe and heat conduction sheathe in addition to carry out split type setting to heating device and ejection of compact head, thereby be convenient for heating device's dismouting, maintenance and replacement, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a material extruding type 3D printer's discharge head heating device, includes discharging pipe and heat conduction cover, the bottom fixed mounting of discharging pipe has a tap, the heat conduction cover cup joints the outside of installing at the discharging pipe, discharging pipe lateral part fixedly connected with is the plugboard that the symmetry set up, the lateral part integrated into one piece of heat conduction cover has the spliced groove that is the symmetry and sets up, the plugboard is pegged graft and is installed in the spliced groove of heat conduction cover, be provided with the fixing bolt who is used for locking spliced groove and plugboard on the spliced groove.

The improved heating pipe heat dissipation device is characterized in that a partition plate is integrally formed at the upper end inside the discharging pipe, a sealing bearing is fixedly embedded in the partition plate, an extrusion screw rod is rotatably mounted at the bottom of the partition plate, a heating pipe is fixedly inserted in the heat conduction sleeve, a temperature controller for controlling the heating pipe is fixedly mounted at the upper part of the heat conduction sleeve, and a heat dissipation piece is fixedly connected to the outer side wall of the heat conduction sleeve.

Preferably, an inlet pipe is fixedly communicated with one side of the upper part of the outlet pipe, and a yielding groove is formed in the side part, close to the inlet pipe, of the heat conduction sleeve.

Preferably, the lateral parts of the two sides of the discharge pipe are fixedly connected with at least two groups of insertion plates, and the lateral parts of the two sides of the heat conduction sleeve are integrally formed with at least two groups of insertion grooves.

Preferably, the outer ring of the sealing bearing is embedded and fixed on the partition plate, and the rotating shaft of the extrusion screw is inserted and fixed in the inner ring of the sealing bearing.

Preferably, a driving motor is arranged at the top of the discharge pipe, and the upper end of a rotating shaft of the extrusion screw is in transmission connection with an output shaft of the driving motor through a coupler.

Preferably, the upper and lower parts of the inserting groove are provided with second through holes, the inserting plate is provided with a first through hole, the first through hole and the second through hole are aligned, and the fixing bolt penetrates through the first through hole and the second through hole to lock and fix the inserting groove and the inserting plate.

Preferably, the temperature controller is a digital display type temperature controller, and a signal output end of the temperature controller is electrically connected to an electric control end of the heating pipe.

Preferably, the heat dissipation piece is a fin type aluminum heat dissipation piece, the inner side wall of the heat conduction sleeve is attached to the outer side wall of the discharge pipe, and the heat dissipation piece is attached to the outer side wall of the heat conduction sleeve.

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

1. through the design of the heat conduction sleeve, the heating pipe, the extrusion screw and the sealing bearing, the heat conduction sleeve and the heating pipe heat raw materials in the discharge pipe, the extrusion screw and the sealing bearing are arranged in the discharge pipe to assist in feeding the raw materials in the discharge pipe, and therefore the discharge of the raw materials filled in the discharge pipe in a melting mode is improved;

2. through the design of inserting groove and plugboard, the plugboard on the discharging pipe is inserted with the inserting groove on the heat conduction sleeve and is installed to make things convenient for discharging pipe and heating device's dismouting, the maintenance of can conveniently replacing at heating device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic side structure view of the present invention;

fig. 4 is a schematic perspective view of the heat conductive sleeve of the present invention.

In the figure: 1. a discharge pipe; 2. a heat conducting sleeve; 3. a discharging nozzle; 4. a heat sink; 5. a temperature controller; 6. a yielding groove; 7. inserting grooves; 8. a plugboard; 9. fixing the bolt; 10. a feed pipe; 11. a rotating shaft; 12. extruding a screw; 13. heating a tube; 14. a first through hole; 15. a partition plate; 16. sealing the bearing; 17. a second via.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a material extruding type 3D printer's discharge head heating device, including discharging pipe 1 and heat conduction cover 2, the bottom fixed mounting of discharging pipe 1 has ejection of compact mouth 3, heat conduction cover 2 cup joints the outside of installing at discharging pipe 1, 1 lateral part fixedly connected with of discharging pipe is the plugboard 8 that the symmetry set up, heat conduction cover 2's lateral part integrated into one piece has the inserting groove 7 that is the symmetry and sets up, 8 pegging graft of plugboard are installed in the inserting groove 7 of heat conduction cover 2, be provided with the fixing bolt 9 that is used for locking inserting groove 7 and plugboard 8 on inserting groove 7.

The inside upper end integrated into one piece of discharging pipe 1 has baffle 15, and the last embedding of baffle 15 is fixed with sealed bearing 16, and the bottom of baffle 15 is rotated and is installed and extrude screw rod 12, and the inside of heat conduction cover 2 is fixed to be pegged graft and is had heating pipe 13, and the upper portion fixed mounting of heat conduction cover 2 has temperature controller 5 that is used for controlling heating pipe 13, and fixedly connected with heat dissipation piece 4 on the lateral wall of heat conduction cover 2.

The upper portion one side intercommunication of discharging pipe 1 is fixed with inlet pipe 10, and heat conduction sleeve 2 has seted up the groove of stepping down 6 near the lateral part of inlet pipe 10, and the equal fixedly connected with of the both sides lateral part of discharging pipe 1 has at least two sets of plugboards 8, and the homogeneous body shaping of the both sides lateral part of heat conduction sleeve 2 has at least two sets of plugboards 7, and seal bearing 16's outer lane embedding is fixed on baffle 15, and the pivot 11 of extruding screw rod 12 is pegged graft and is fixed in seal bearing 16's inner circle.

Discharging pipe 1 top is provided with driving motor, extrude the upper end of the pivot 11 of screw rod 12 and pass through the shaft coupling transmission and connect on this driving motor's output shaft, second through-hole 17 has all been seted up to the upper and lower part of inserting groove 7, first through-hole 14 has been seted up on inserting plate 8, first through-hole 14 is the setting of aliging with second through-hole 17, fixing bolt 9 runs through first through-hole 14 and second through-hole 17 with inserting

groove

7 and 8 locking of inserting plate fixed, temperature controller 5 sets up to digital display type temperature controller, the signal output part electric connection of temperature controller 5 is in the automatically controlled end of heating pipe 13, heat dissipation piece 4 sets up to fin formula aluminium heat dissipation piece, the inside wall of heat conduction cover 2 pastes the lateral wall in discharging pipe 1, heat dissipation piece 4 is laminated in the lateral wall of heat conduction cover 2.

The working principle is as follows: according to the device, through the design of the heat conduction sleeve 2, the heating pipe 13, the extrusion screw 12 and the sealing bearing 16, the heat conduction sleeve 2 and the heating pipe 13 heat raw materials in the discharging pipe 1, the extrusion screw 12 and the sealing bearing 16 are arranged in the discharging pipe 1 to assist in feeding the raw materials in the discharging pipe 1, so that discharging of the raw materials filled in the discharging pipe 1 in a melting mode is improved, the side portion of the heat conduction sleeve 2 is fixedly connected to the side portion of the discharging pipe 1 to conduct heating heat of the heating pipe 13, and in addition, the heat conduction sleeve 2 assists in passively dissipating heat of the heat conduction sleeve 2 and the heating pipe 13 by the heat dissipation piece 4 after discharging of the discharging pipe 1 is finished; the insertion plate 8 on the discharge pipe 1 is inserted and installed with the insertion groove 7 on the heat conduction sleeve 2, so that the discharge pipe 1 and the heating device can be conveniently disassembled and assembled, and the heating device can be conveniently replaced and maintained.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a material extruding type 3D printer's discharge head heating device, includes discharging pipe (1) and heat conduction cover (2), its characterized in that: the discharging device is characterized in that a discharging nozzle (3) is fixedly installed at the bottom of the discharging pipe (1), the heat conduction sleeve (2) is sleeved outside the discharging pipe (1), the lateral part of the discharging pipe (1) is fixedly connected with symmetrically-arranged insertion plates (8), symmetrically-arranged insertion grooves (7) are integrally formed in the lateral part of the heat conduction sleeve (2), the insertion plates (8) are inserted and installed in the insertion grooves (7) of the heat conduction sleeve (2), and fixing bolts (9) used for locking the insertion grooves (7) and the insertion plates (8) are arranged on the insertion grooves (7);

the inside upper end integrated into one piece of discharging pipe (1) has baffle (15), the last embedding of baffle (15) is fixed with sealed bearing (16), the bottom of baffle (15) is rotated and is installed and extrude screw rod (12), the inside fixed grafting of heat conduction cover (2) has heating pipe (13), the upper portion fixed mounting of heat conduction cover (2) has temperature controller (5) that are used for controlling heating pipe (13), fixedly connected with radiating piece (4) on the lateral wall of heat conduction cover (2).

2. The discharging head heating device of the extrusion type 3D printer according to claim 1, characterized in that: the upper portion one side intercommunication of discharging pipe (1) is fixed with inlet pipe (10), heat conduction sleeve (2) are close to the lateral part of inlet pipe (10) and have seted up groove of stepping down (6).

3. The discharging head heating device of the extrusion type 3D printer according to claim 1, characterized in that: the discharging pipe is characterized in that the side parts of two sides of the discharging pipe (1) are fixedly connected with at least two groups of insertion plates (8), and the side parts of two sides of the heat conducting sleeve (2) are integrally formed with at least two groups of insertion grooves (7).

4. The discharging head heating device of the extrusion type 3D printer according to claim 1, characterized in that: the outer ring of the sealing bearing (16) is embedded and fixed on the partition plate (15), and the rotating shaft (11) of the extrusion screw rod (12) is inserted and fixed in the inner ring of the sealing bearing (16).

5. The discharging head heating device of the extrusion type 3D printer according to claim 4, characterized in that: the top of the discharge pipe (1) is provided with a driving motor, and the upper end of a rotating shaft (11) of the extrusion screw (12) is connected to an output shaft of the driving motor through a coupling in a transmission manner.

6. The discharging head heating device of the extrusion type 3D printer according to claim 1, characterized in that: second through holes (17) are formed in the upper portion and the lower portion of the inserting groove (7), first through holes (14) are formed in the inserting plate (8), the first through holes (14) are aligned with the second through holes (17), and the fixing bolt (9) penetrates through the first through holes (14) and the second through holes (17) to lock and fix the inserting groove (7) and the inserting plate (8).

7. The discharging head heating device of the extrusion type 3D printer according to claim 1, characterized in that: the temperature controller (5) is a digital display type temperature controller, and the signal output end of the temperature controller (5) is electrically connected to the electric control end of the heating pipe (13).

8. The discharging head heating device of the extrusion type 3D printer according to claim 1, characterized in that: the heat dissipation piece (4) is arranged as a fin type aluminum heat dissipation piece, the inner side wall of the heat conduction sleeve (2) is attached to the outer side wall of the discharge pipe (1), and the heat dissipation piece (4) is attached to the outer side wall of the heat conduction sleeve (2).