CN210617323U

CN210617323U - Be used for 3D to print PA powder cryrogenic rubbing crusher and construct

Info

Publication number: CN210617323U
Application number: CN201921421664.XU
Authority: CN
Inventors: 徐虎
Original assignee: Jiangsu Naweijie Powder Technology Co ltd
Current assignee: Jiangsu Naweijie Powder Technology Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-05-26
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a be used for 3D to print PA powder cryrogenic rubbing crusher to construct, including crushing shell, crushing shell's top and bottom are provided with inlet pipe and discharging pipe respectively, the inlet pipe with be fixed with the rolling ball between the discharging pipe tip, the crushing chamber has been seted up to the rolling ball inside, the inlet pipe with the discharging pipe all communicates with crushing chamber, all be fixed with first support frame on the inner wall of inlet pipe and discharging pipe, this is used for 3D to print PA powder cryrogenic rubbing crusher to construct through putting in the globular crushing intracavity with the PA material that will pass through liquid nitrogen cooling embrittlement to crushing chamber realizes passing by oneself through actuating mechanism, and the kibbling PA powder that makes like this rotates in globular crushing intracavity, rubs with crushing chamber wall at the pivoted in-process, can obtain the comparatively regular PA powder of shape like this.

Description

Be used for 3D to print PA powder cryrogenic rubbing crusher and construct

Technical Field

The utility model relates to a 3D prints technical field, specifically is used for 3D to print PA powder cryrogenic rubbing crusher and constructs.

Background

3D printing (3DP), one of the rapid prototyping technologies, is a technology that constructs an object by printing layer by layer using an adhesive material such as powdered metal or plastic based on a digital model file.

The PA has excellent tensile strength and good flexibility, is also a successfully commercialized 3D printing material, has the glass transition temperature as high as 110' C, and the prepared 3D printing product has good mechanical strength, better elasticity and toughness and can even be used for manufacturing 3D printed clothes.

In the 3D printing process, the powder needs to be guaranteed to have a certain spherical shape, so that the flowability of the powder can be increased, but the PA powder obtained by the conventional cryogenic grinding mechanism has irregularity in shape, and if the PA powder has irregularity, the PA powder has certain influence on the performance of printed equipment, and therefore, the cryogenic grinding mechanism for the 3D printing PA powder is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for 3D to print PA powder cryrogenic rubbing crusher to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: be used for 3D to print PA powder cryrogenic rubbing crusher and construct, including crushing shell, crushing shell's top and bottom are provided with inlet pipe and discharging pipe respectively, the inlet pipe with be fixed with the rolling ball between the discharging pipe tip, the crushing chamber has been seted up to the inside of rolling ball, the inlet pipe with the discharging pipe all communicates with crushing chamber, all be fixed with first support frame on the inner wall of inlet pipe and discharging pipe, in the inlet pipe be fixed with rubbing crusher on the first support frame, just rubbing crusher's the other end rotates to be connected first support frame in the discharging pipe, the top fixedly connected with actuating mechanism of inlet pipe.

Preferably, the crushing cavity is a spherical cavity.

Preferably, the driving mechanism comprises a driving motor, a driving gear is fixed on an output shaft of the driving motor, a driven gear is meshed on the driving gear, and the driven gear is fixed on the end part, far away from the rotating ball, of the feeding pipe.

Preferably, a first supporting mechanism is fixed on the driving motor, and one end, far away from the driving motor, of the first supporting mechanism is fixed on the top of the crushing shell.

Preferably, the first supporting mechanism comprises an annular fixed disk and a fixed column, the fixed column is fixed to the top of the crushing shell, the annular fixed disk is fixed to the top of the fixed column, and the driving motor is fixed to the bottom of the annular fixed disk.

Preferably, rubbing crusher constructs including crushing motor, crushing motor fixes on the first support frame on the inlet pipe, be fixed with the axis of rotation on crushing motor's the output shaft, be fixed with crushing blade in the axis of rotation, the one end that crushing motor was kept away from in the axis of rotation is passed through the bearing and is rotated the connection and be in on the first support frame in the discharging tube.

Preferably, the crushing blade is located at the center of the crushing chamber.

Preferably, the outer pipe walls of the feeding pipe and the discharging pipe are rotatably connected with material guiding shells, the material guiding shells on the feeding pipe are fixed on the annular fixed disc, and the material guiding shells on the discharging pipe are fixed at the bottom of the crushing shell.

Preferably, a support ring is fixed on the outer wall of the crushing shell, and a plurality of support columns are fixed on the support ring.

Preferably, the inner cavity of the crushing shell is provided with liquid nitrogen.

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

1. the utility model discloses a to put in globular crushing intracavity through the PA material of liquid nitrogen cooling embrittlement to smash the chamber and realize passing by oneself through actuating mechanism, the kibbling PA powder that makes like this rotates at globular crushing intracavity, rubs with crushing chamber wall at the pivoted in-process, can obtain the comparatively regular PA powder of shape like this.

2. The utility model discloses to smash the blade setting at the middle part in crushing chamber, guarantee its homogeneity to the PA raw materials crushing of smashing the intracavity.

3. The utility model discloses inner chamber at crushing shell sets up the liquid nitrogen, can cool down the rolling ball through the liquid nitrogen to guarantee to smash the temperature of intracavity portion.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a partial cross-sectional structural view of FIG. 1;

FIG. 4 is a schematic view of a partial cross-sectional configuration of the grinding housing;

FIG. 5 is a cross-sectional structural view of the rotary ball of FIG. 4;

FIG. 6 is a schematic view of the structure of FIG. 5 in another orientation;

FIG. 7 is an enlarged view of area A of FIG. 6;

fig. 8 is a schematic view of another orientation structure of fig. 7.

In the figure: 1-crushing the shell; 2-feeding pipe; 3, a discharge pipe; 4-rotating the ball; 5-crushing cavity; 6-a first support frame; 7-a crushing mechanism; 8-a drive mechanism; 9-driving a motor; 10-a drive gear; 11-a driven gear; 12-a first support mechanism; 13-an annular fixed disc; 14-fixed columns; 15-a crushing motor; 16-a rotating shaft; 17-a crushing blade; 18-a material guiding shell; 19-a support ring; 20-support column.

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. 1-8, the present invention provides a technical solution: a cryrogenic rubbing crusher constructs for 3D prints PA powder, including crushing shell 1, crushing shell 1's top and bottom are provided with inlet pipe 2 and discharging pipe 3 respectively, the inlet pipe 2 with be fixed with rolling ball 4 between the 3 tip of discharging pipe, 4 inside crushing chambeies 5 of having seted up of rolling ball, the inlet pipe 2 with discharging pipe 3 all communicates with crushing chamber 5, all be fixed with first support frame 6 on the inner wall of inlet pipe 2 and discharging pipe 3, in the inlet pipe 2 be fixed with rubbing crusher constructs 7 on the first support frame 6, just rubbing crusher constructs 7's the other end and rotates to be connected first support frame 6 in discharging pipe 3, the top fixedly connected with actuating mechanism 8 of inlet pipe 2.

The PA after liquid nitrogen embrittlement is firstly kept away from and put in from the mouth of pipe of the feeding pipe 2, the PA is kept away from and is kept away from the feeding pipe 2 and enter into the crushing cavity 5 in the rolling ball 4, at the moment, the driving mechanism 8 drives the feeding pipe 2 to rotate, because the feeding pipe 2 is fixedly connected with the rolling ball 4, the rolling ball 4 starts to transmit by itself, the PA in the rolling ball is kept away from and moves in the crushing cavity 5, the crushing mechanism 7 in the crushing cavity 5 starts to keep away from the PA for crushing treatment, the PA powder after being cut up rubs with the inner wall of the crushing cavity 5 under the rotation of the rolling ball 4, the PA powder finally has a certain rule, the PA powder after being crushed is finally discharged from the discharging pipe 3, and the feeding pipe 2 and the discharging pipe 3 are both rotatably connected with the crushing shell 1 through bearings.

The crushing cavity 5 is a spherical cavity.

The crushing cavity 5 is designed into a spherical cavity, and the track of the crushing cavity 5 has certain regularity.

The driving mechanism 8 comprises a driving motor 9, a driving gear 10 is fixed on an output shaft of the driving motor 9, a driven gear 11 is meshed on the driving gear 10, and the driven gear 11 is fixed at the end part, far away from the rotating ball 4, of the feeding pipe 2.

Regarding the working principle of the driving mechanism 8, the output shaft of the driving motor 9 drives the driving gear 10 to rotate, and due to the meshing between the driving gear 10 and the driven gear 11, the driving gear 10 drives the driven gear 11 to rotate, and then the driven gear 11 drives the feeding pipe 2 to rotate.

A first supporting mechanism 12 is fixed on the driving motor 9, and one end of the first supporting mechanism 12 far away from the driving motor 9 is fixed on the top of the crushing shell 1.

First supporting mechanism 12 includes annular fixed disk 13 and fixed column 14, fixed column 14 is fixed the top of crushing shell 1, annular fixed disk 13 is fixed the top of fixed column 14, driving motor 9 is fixed the bottom of annular fixed disk 13.

Rubbing crusher constructs 7 including rubbing crusher motor 15, rubbing crusher motor 15 is fixed on the first support frame 6 on the inlet pipe 2, be fixed with axis of rotation 16 on rubbing crusher motor 15's the output shaft, be fixed with crushing blade 17 on the axis of rotation 16, the one end that crushing motor 15 was kept away from to axis of rotation 16 is passed through the bearing and is rotated the connection and be in on the first support frame 6 in the discharging pipe 3, crushing blade is located the center department that is located crushing chamber 5.

In the operation principle of the crushing mechanism 7, during the crushing process, the output shaft of the crushing motor 15 drives the rotating shaft 16 to rotate, and the rotating shaft 16 drives the crushing blades thereon to rotate at a high speed.

The outer pipe walls of the feeding pipe 2 and the discharging pipe 3 are rotatably connected with material guiding shells 18, the material guiding shells 18 on the feeding pipe 2 are fixed on the annular fixed disc 13, and the material guiding shells 18 on the discharging pipe 3 are fixed at the bottom of the crushing shell 1.

The material guiding shells 18 are arranged on the feeding pipe 2 and the discharging pipe 3, and the main purpose of the material guiding shells is to facilitate feeding and discharging.

A support ring 19 is fixed on the outer wall of the crushing shell 1, and a plurality of support columns 20 are fixed on the support ring 19.

And liquid nitrogen is arranged in the inner cavity of the crushing shell 1. The liquid nitrogen can ensure the temperature inside the crushing chamber 5 to ensure the temperature condition required by the crushing process.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. Be used for 3D to print PA powder cryrogenic rubbing crusher to construct (7), including smashing shell (1), its characterized in that: the top and the bottom of crushing shell (1) are provided with inlet pipe (2) and discharging pipe (3) respectively, inlet pipe (2) with be fixed with rolling ball (4) between discharging pipe (3) the tip, crushing chamber (5) have been seted up to rolling ball (4) inside, inlet pipe (2) with discharging pipe (3) all with smash chamber (5) intercommunication, all be fixed with first support frame (6) on the inner wall of inlet pipe (2) and discharging pipe (3), in inlet pipe (2) be fixed with rubbing crusher structure (7) on first support frame (6), just the other end of rubbing crusher structure (7) rotates to be connected first support frame (6) in discharging pipe (3), the top fixedly connected with actuating mechanism (8) of inlet pipe (2).

2. The cryogenic grinding mechanism (7) for PA powder for 3D printing according to claim 1, characterized in that: the crushing cavity (5) is a spherical cavity.

3. The cryogenic grinding mechanism (7) for PA powder for 3D printing according to claim 1, characterized in that: actuating mechanism (8) include driving motor (9), be fixed with driving gear (10) on the output shaft of driving motor (9), the meshing has driven gear (11) on driving gear (10), driven gear (11) are fixed inlet pipe (2) are kept away from on the tip of rolling ball (4).

4. Cryogenic grinding mechanism (7) for PA powder for 3D printing according to claim 3, characterized in that: a first supporting mechanism (12) is fixed on the driving motor (9), and one end, far away from the driving motor (9), of the first supporting mechanism (12) is fixed on the top of the crushing shell (1).

5. Cryogenic grinding mechanism (7) for PA powder for 3D printing according to claim 4, characterized in that: first supporting mechanism (12) are including annular fixed disk (13) and fixed column (14), fixed column (14) are fixed the top of smashing shell (1), annular fixed disk (13) are fixed the top of fixed column (14), driving motor (9) are fixed the bottom of annular fixed disk (13).

6. The cryogenic grinding mechanism (7) for PA powder for 3D printing according to claim 1, characterized in that: rubbing crusher constructs (7) including rubbing crusher motor (15), rubbing crusher motor (15) are fixed on first support frame (6) on inlet pipe (2), be fixed with axis of rotation (16) on the output shaft of rubbing crusher motor (15), be fixed with crushing blade (17) on axis of rotation (16), the one end that crushing motor (15) were kept away from in axis of rotation (16) is passed through the bearing and is rotated the connection and be in on first support frame (6) in discharging pipe (3).

7. The cryogenic grinding mechanism (7) for PA powder for 3D printing according to claim 6, characterized in that: the crushing blade (17) is located at the center of the crushing chamber (5).

8. Cryogenic grinding mechanism (7) for PA powder for 3D printing according to claim 5, characterized in that: all rotate on the outer pipe wall of inlet pipe (2) and discharging pipe (3) and be connected with guide shell (18), guide shell (18) on inlet pipe (2) are fixed on annular fixed disk (13), guide shell (18) on discharging pipe (3) are fixed the bottom of crushing shell (1).

9. The cryogenic grinding mechanism (7) for PA powder for 3D printing according to claim 1, characterized in that: a support ring (19) is fixed on the outer wall of the crushing shell (1), and a plurality of support columns (20) are fixed on the support ring (19).

10. The cryogenic grinding mechanism (7) for PA powder for 3D printing according to claim 1, characterized in that: and liquid nitrogen is arranged in the inner cavity of the crushing shell (1).