CN215320695U

CN215320695U - A high strength polyester drying tower for 3D prints

Info

Publication number: CN215320695U
Application number: CN202121392878.6U
Authority: CN
Inventors: 王先东; 夏磊; 曹丹旦; 陈德记; 何雪红
Original assignee: Jiangsu Keyilai New Material Technology Co ltd
Current assignee: Jiangsu Keyilai New Material Technology Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-28
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to the technical field of drying tower equipment, in particular to a high-strength polyester drying tower for 3D printing, which comprises a drying tower main body, wherein a discharge pipe is welded at the lower end of the drying tower main body, two air outlet pipes are inserted into the side surface of the drying tower main body in a penetrating manner, an upper cover is clamped at the upper end of the drying tower main body, a feed hopper is welded at the upper end of the upper cover, a cylinder is inserted into the upper end of the upper cover in a penetrating manner, and the cylinder and the upper cover are rotatably connected through a bearing, and the high-strength polyester drying tower has the beneficial effects that: get into the drying tower main part with the polyester elastomer along the feeder hopper in, let in steam in to the drum through the intake pipe simultaneously, rotate through the drum and drive one-level stirring drying mechanism and second grade stirring drying mechanism and rotate, make the polyester elastomer follow the blanking hole of baffle landing downwards, through the bottom of blanking fill landing to the drying tower, stir the polyester elastomer simultaneously, make polyester elastomer and steam fully contact, thereby the messenger is heated evenly to the polyester elastomer, improve the drying efficiency of polyester elastomer.

Description

A high strength polyester drying tower for 3D prints

Technical Field

The utility model relates to the technical field of drying tower equipment, in particular to a high-strength polyester drying tower for 3D printing.

Background

3D printing (3DP), a technique for constructing objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files, is one of the rapid prototyping techniques, also known as additive manufacturing. The thermoplastic polyester elastomer is a good 3D printing material because the thermoplastic polyester elastomer has excellent high and low temperature resistance, impact resistance and bending resistance, and has excellent chemical stability, electrical property, hydrolysis resistance and good aging resistance. When 3D printing is carried out, the thermoplastic polyester elastomer needs to be melted, but in the process of melting the thermoplastic polyester elastomer, the polyester is hydrolyzed by moisture contained in the thermoplastic polyester elastomer, so that the performance and the quality of a 3D printed product are affected, and therefore, the polyester needs to be dried before 3D printing. At present, a drying device for polyester is a drying tower, and a steam drying space is formed in the drying tower to dry the polyester. However, because the polyester is statically placed on the drying rack, the problem that a certain area is heated unevenly often occurs in the drying process of the polyester, so that the polyester is not dried sufficiently, and the quality of a 3D printed product is finally affected.

Therefore, we need a high strength polyester drying tower for 3D printing to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-strength polyester drying tower for 3D printing, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-strength polyester drying tower for 3D printing comprises a drying tower main body, a discharge pipe is welded at the lower end of the drying tower main body, two air outlet pipes are inserted through the side surface of the drying tower main body, an upper cover is clamped at the upper end of the drying tower main body, a feed hopper is welded at the upper end of the upper cover, a cylinder is inserted through the upper end of the upper cover, the cylinder is rotatably connected with the upper cover through a bearing, a driven gear ring is sleeved on the cylinder, an air inlet pipe is inserted at the upper end of the cylinder, the middle part of the side surface of the cylinder is provided with a first air hole in a circumferential array, the lower end of the cylinder is provided with a second air hole in a circumferential array, the lower extreme setting of drum is in the drying tower main part, the cover is equipped with one-level stirring drying mechanism on the drum, be provided with second grade stirring drying mechanism on the drum in one-level stirring drying mechanism's below.

Preferably, the cylinder is welded with the driven gear ring, and a power fluted disc is meshed with the side face of the driven gear ring and is clamped with the motor shaft.

Preferably, the air inlet pipe is connected with the upper cover through a support plate and is rotatably connected with the cylinder.

Preferably, the bottom welding of drying tower main part inner wall has the spacing ring, the lower extreme welding of drum has the round bar, and the round bar rotates with the spacing ring to be connected.

Preferably, the primary stirring and drying mechanism comprises: baffle, blanking hole, first puddler, first connecting groove and first round hole, the welding has the baffle on the drum, the baffle rotates with the drying tower main part to be connected, the blanking hole has been seted up to the lower extreme of baffle circumference array, it has six first puddlers to become circumference array welding on the baffle, the tip and the drum welding of first puddler, first connecting groove has been seted up on the side of first puddler, first connecting groove and first round hole intercommunication, first round hole is seted up to the both sides equidistance of first puddler, first round hole and first connecting groove intercommunication.

Preferably, the second-stage stirring and drying mechanism comprises: blanking fill, second puddler, second intercommunication groove and second round hole, blanking fill and drum welding, the blanking fill is the toper setting, it has six second puddlers to become the circumference array welding on the blanking fill, the tip and the drum welding of second puddler, the second intercommunication groove has been seted up on the second puddler, second intercommunication groove and first gas vent intercommunication, the second round hole has been seted up to the both sides equidistance of second puddler, second round hole and second intercommunication groove intercommunication.

Compared with the prior art, the utility model has the beneficial effects that: get into the drying tower main part with the polyester elastomer along the feeder hopper in, let in steam in to the drum through the intake pipe simultaneously, rotate through the drum and drive one-level stirring drying mechanism and second grade stirring drying mechanism and rotate, make the polyester elastomer follow the blanking hole of baffle landing downwards, through the bottom of blanking fill landing to the drying tower, stir the polyester elastomer simultaneously, make polyester elastomer and steam fully contact, thereby the messenger is heated evenly to the polyester elastomer, improve the drying efficiency of polyester elastomer.

Drawings

FIG. 1 is a schematic view of a drying tower according to the present invention;

FIG. 2 is a schematic half-section view of the structure of a drying tower according to the present invention;

FIG. 3 is a schematic view of the structure of the cylinder and the stirring and drying mechanism of the present invention.

In the figure: 1. a drying tower main body; 11. a discharge pipe; 12. an air outlet pipe; 2. an upper cover; 21. a feed hopper; 3. a cylinder; 31. a first air hole; 32. a second air hole; 33. an air inlet pipe; 4. a driven gear ring; 41. a power fluted disc; 5. a partition plate; 51. a blanking hole; 6. a first stirring rod; 61. a first connecting groove; 62. a first circular hole; 7. a blanking hopper; 8. a second stirring rod; 81. a second communicating groove; 82. a second circular aperture.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a high strength polyester drying tower for 3D prints, including drying tower main part 1, the lower extreme welding of drying tower main part 1 has discharging pipe 11, the side of drying tower main part 1 runs through the grafting and has two outlet duct 12, the upper end joint of drying tower main part 1 has upper cover 2, the upper end welding of upper cover 2 has feeder hopper 21, the upper end of upper cover 2 runs through the grafting and has drum 3, and drum 3 rotates through the bearing with upper cover 2 to be connected, the bottom welding of 1 inner wall of drying tower main part has the spacing ring, the lower extreme welding of drum 3 has the round bar, the round bar rotates with the spacing ring to be connected, drum 3 rotates with drying tower main part 1 to be connected, drive drum 3 upward movement when upwards puting aside upper cover 2, thereby can be convenient clear up the drying tower inner wall.

The last cover of drum 3 is equipped with driven gear ring 4, and drum 3 welds with driven gear ring 4, and the side meshing of driven gear ring 4 has power fluted disc 41, and power fluted disc 41 and motor shaft joint, the power supply of motor shaft are the motor, and the motor passes through the fixed plate to be connected with upper cover 2.

The upper end of drum 3 is pegged graft and is had intake pipe 33, intake pipe 33 passes through the backup pad and is connected with upper cover 2, intake pipe 33 rotates with drum 3 to be connected, first gas pocket 31 has been seted up to the middle part one-tenth circumference array of 3 sides of drum, second gas pocket 32 has been seted up to the lower extreme one-tenth circumference array of drum 3, steam lets in drum 3 in through intake pipe 33, flows from first gas pocket 31 and second gas pocket 32 again to carry out drying process to the polyester elastomer.

The lower extreme setting of drum 3 is in drying tower main part 1, and the cover is equipped with one-level stirring drying mechanism on drum 3, and one-level stirring drying mechanism is including: baffle 5, blanking hole 51, first puddler 6, first connecting groove 61 and first round hole 62, the welding has baffle 5 on the drum 3, and baffle 5 rotates with drying tower main part 1 to be connected, and baffle 5 closely laminates with the inboard of drying tower main part 1, prevents that the polyester elastomer from the direct landing in the outside of baffle 5 to the bottom of drying tower.

Blanking hole 51 has been seted up to the lower extreme of baffle 5 into the circumference array, it has six first puddler 6 to become the circumference array welding on the baffle 5, the tip and the drum 3 welding of first puddler 6, first connecting groove 61 has been seted up on the side of first puddler 6, first connecting groove 61 and first gas port 31 intercommunication, first round hole 62 is seted up to the both sides equidistance of first puddler 6, first round hole 62 and first connecting groove 61 intercommunication, stir the polyester elastomer through first puddler 6, make steam emerge from first round hole 62 simultaneously, thereby make steam and polyester elastomer fully contact.

Drum 3 is last to be provided with second grade stirring drying mechanism in one-level stirring drying mechanism's below, and second grade stirring drying mechanism is including: the blanking hopper 7 is welded with the cylinder 3, the blanking hopper 7 is arranged in a conical shape, the polyester elastomer slides downwards along the blanking hopper 7, and the polyester elastomer is in a moving state all the time and is prevented from being adhered together.

Become the welding of circumference array on blanking fill 7 and have six second puddlers 8, the tip and the drum 3 welding of second puddler 8, second intercommunication groove 81 has been seted up on the second puddler 8, second intercommunication groove 81 and first gas port 31 intercommunication, second round hole 82 has been seted up to the both sides equidistance of second puddler 8, second round hole 82 and second intercommunication groove 81 intercommunication, through the second round hole 82 on the second puddler 8, make further and the abundant contact of polyester elastomer of steam, thereby improve the drying efficiency of drying tower.

The working principle is as follows: polyester elastomer is poured into the drying tower main body 1 along the feeding hopper 21, meanwhile, hot air is introduced into the cylinder 3 through the air inlet pipe 33, the power fluted disc 41 is rotated through the motor shaft, the power fluted disc drives the driven gear ring 4 to rotate, the driven gear ring 4 drives the cylinder 3 to rotate, the cylinder 3 rotates to drive the primary stirring drying mechanism and the secondary stirring drying mechanism to rotate, the partition plate 5 and the first stirring rod 6 are rotated, the polyester elastomer is stirred by the first stirring rod 6, meanwhile, the hot air enters the first connecting groove 61 through the first air hole 31 and then emerges from the first round hole 62, so that the polyester elastomer is dried, meanwhile, the polyester elastomer slides downwards from the blanking hole 51 of the partition plate 5 and then slides to the bottom of the drying tower main body 1 through the blanking hopper 7, in the process of sliding on the blanking hopper 7, the polyester elastomer is stirred by the second stirring rod 8, simultaneously in the steam passes through first gas pocket 31 entering second intercommunication groove 81, emit in the second round hole 82 again, thereby further carry out drying process to the polyester elastomer, make polyester elastomer and steam fully contact, thereby make the polyester elastomer be heated evenly, improve the drying efficiency to the polyester elastomer, the steam after the drying flows out in outlet duct 12, make the polyester elastomer be in the state that flows always at dry in-process, prevent that the polyester elastomer from adhering to together, thereby guarantee the quality of polyester elastomer.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high strength polyester drying tower for 3D printing, includes drying tower main part (1), its characterized in that: the drying tower is characterized in that a discharge pipe (11) is welded at the lower end of a drying tower main body (1), two air outlet pipes (12) are inserted into the side face of the drying tower main body (1) in a penetrating and inserting mode, an upper cover (2) is clamped at the upper end of the drying tower main body (1), a feed hopper (21) is welded at the upper end of the upper cover (2), a cylinder (3) is inserted into the upper end of the upper cover (2) in a penetrating and inserting mode, the cylinder (3) is rotatably connected with the upper cover (2) through a bearing, a driven gear ring (4) is sleeved on the cylinder (3), an air inlet pipe (33) is inserted into the upper end of the cylinder (3), a first air hole (31) is formed in the middle of the side face of the cylinder (3) in a circumferential array mode, a second air hole (32) is formed in the lower end of the cylinder (3) in a circumferential array mode, the lower end of the cylinder (3) is arranged in the drying tower main body (1), and a first-stage stirring and drying mechanism is sleeved on the cylinder (3), and a second-stage stirring and drying mechanism is arranged below the first-stage stirring and drying mechanism on the cylinder (3).

2. The high strength polyester drying tower for 3D printing according to claim 1, wherein: the drum (3) is welded with the driven gear ring (4), the side surface of the driven gear ring (4) is meshed with a power fluted disc (41), and the power fluted disc (41) is connected with a motor shaft in a clamping mode.

3. The high strength polyester drying tower for 3D printing according to claim 1, wherein: the air inlet pipe (33) is connected with the upper cover (2) through a support plate, and the air inlet pipe (33) is rotatably connected with the cylinder (3).

4. The high strength polyester drying tower for 3D printing according to claim 1, wherein: the bottom welding of drying tower main part (1) inner wall has the spacing ring, the lower extreme welding of drum (3) has the round bar, and the round bar rotates with the spacing ring to be connected.

5. The high strength polyester drying tower for 3D printing according to claim 1, wherein: one-level stirring drying mechanism is including: baffle (5), blanking hole (51), first puddler (6), first connecting groove (61) and first round hole (62), the welding has baffle (5) on drum (3), baffle (5) rotate with drying tower main part (1) and are connected, blanking hole (51) have been seted up to the lower extreme one-tenth circumference array of baffle (5), it has six first puddler (6) to go up one-tenth circumference array welding in baffle (5), the tip and the drum (3) welding of first puddler (6), first connecting groove (61) have been seted up on the side of first puddler (6), first connecting groove (61) and first gas pocket (31) intercommunication, first round hole (62) are seted up to the both sides equidistance of first puddler (6), first round hole (62) and first connecting groove (61) intercommunication.

6. The high strength polyester drying tower for 3D printing according to claim 1, wherein: the second grade stirring drying mechanism comprises: blanking fill (7), second puddler (8), second intercommunication groove (81) and second round hole (82), blanking fill (7) and drum (3) welding, blanking fill (7) taper shape setting, it has six second puddlers (8) to go up to become circumference array welding on blanking fill (7), the tip and drum (3) welding of second puddler (8), second intercommunication groove (81) have been seted up on second puddler (8), second intercommunication groove (81) and first gas pocket (31) intercommunication, second round hole (82) have been seted up to the both sides equidistance of second puddler (8), second round hole (82) and second intercommunication groove (81) intercommunication.