CN217941858U

CN217941858U - Powder mixer for laser additive manufacturing

Info

Publication number: CN217941858U
Application number: CN202222295712.3U
Authority: CN
Inventors: 解玲; 卢凯迪; 唐雷
Original assignee: Shanxi Huirui Additive Technology Co ltd
Current assignee: Shanxi Huirui Additive Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-02
Anticipated expiration: 2032-08-30

Abstract

The utility model belongs to the technical field of laser vibration material disk technique and specifically relates to a powder mixes machine that laser vibration material disk used, including the mixing box, there is the PLC controller through the leg joint on the lateral wall of mixing box, the tip of mixing box is provided with the batching funnel, the bottom of batching funnel is and lie in the mixing box and install weighing valve subassembly, weighing valve subassembly's below is and be provided with the unloading funnel on the inner wall that lies in the mixing box, the bottom intercommunication of unloading funnel is at screw conveyer's feed inlet, the utility model discloses a design is provided with the batching funnel on the powder mixes machine that laser vibration material disk used, weighs valve subassembly and screw conveyer three and is in coordination each other, has realized accurate weighing, unloading and mixed transport to warning presupposed warning staff has reached the integration of weighing, unloading and mixed transport, makes structural design scientific and reasonable more, and then the accuracy of effectual assurance ratio and improved work efficiency.

Description

Powder mixer for laser additive manufacturing

Technical Field

The utility model relates to a laser vibration material disk and technical field specifically are a powder mixer that laser vibration material disk used.

Background

In order to ensure the bonding quality between different material interfaces of the laser additive manufacturing multi-metal material part, the component proportion of the metal powder of the transition layer needs to be changed in real time to gradually transition the material components, so that the real-time and accurate blending of the alloy powder is the basis for realizing the high-quality and high-precision manufacturing of the multi-metal material part based on the component design of each layer of material in the transition region in the multi-metal laser additive manufacturing process. At present, when a selective laser melting technology is used for manufacturing a multi-element metal additive, alloy powder with different components is required to be manually proportioned, placed in a powder mixer for mixing and then placed in different powder feeding cabins, and therefore powder proportioning efficiency is low and accuracy is poor.

To sum up, the utility model discloses a design the powder that laser vibration material disk used mixes the machine and solves the problem that exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder mixer of laser vibration material disk usefulness to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a powder mixer for laser additive manufacturing comprises a mixing box, wherein the side wall of the mixing box is connected with a PLC (programmable logic controller) through a support, the end part of the mixing box is provided with a batching funnel, the bottom of the batching funnel is positioned on the mixing box and provided with a weighing valve assembly, a discharging funnel is arranged below the weighing valve assembly and on the inner wall of the mixing box, the bottom of the discharging funnel is communicated with a feed inlet of a spiral conveyor, an electric butterfly valve is arranged at the discharge port of the spiral conveyor and outside the mixing box, the batching funnel is internally divided into four mutually independent distributing funnels through partition plates, alarms are respectively arranged on the side walls of the four distributing funnels in a one-to-one correspondence manner, and the weighing valve assembly is correspondingly arranged at the discharge port of each distributing funnel;

the weighing valve assembly comprises a weighing plate correspondingly arranged below the material distributing hopper, a weighing sensor is arranged at the center of the bottom of the weighing plate, the bottom of the weighing sensor is arranged at the center of the end face of the sliding plate, the sliding plate is connected to the side wall inside the mixing box through two groups of guide rods, an electric cylinder is arranged on the side wall of the mixing box and corresponds to the sliding plate, and the telescopic rod of the electric cylinder penetrates through the inside of the mixing box and is fixedly connected to the sliding plate.

As the utility model discloses preferred scheme, the bottom of mixing box sets up the support mount pad, there is the access door through hinged joint on the lateral wall of mixing box, and wherein the opposite side of access door passes through the hasp and connects on the lateral wall of mixing box inner chamber, be provided with the handle on the outer wall of access door and be close to the hasp.

As the utility model discloses preferred scheme, screw conveyer is electronic screw conveyer, and wherein the motor on the electronic screw conveyer is step motor to install on the lateral wall of mixing box, step motor's drive shaft runs through to the inside of mixing box, and wherein step motor's drive shaft is connected for rotating with the connected mode of mixing box, and step motor passes through wire electric connection at the PLC controller.

As the utility model discloses preferred scheme, the PLC controller is respectively through wire electric connection on electric butterfly valve, alarm and electric jar.

As the utility model discloses preferred scheme, the telescopic link of electric jar is sliding connection with the connected mode of mixing box, the weighing plate is located the inside of mixing box, and wherein the top of mixing box inner chamber and the terminal surface of weighing plate slide each other.

As the utility model discloses preferred scheme, on the terminal surface of mixing box and seted up with four branch hopper and throw the material hole, wherein the size of weighing plate is greater than the size of throwing the material hole to the telescopic link through the electric jar promotes to shelter from completely and throws the material hole.

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

1. the utility model discloses in, be provided with the batching funnel through the design on the powder mixer that laser vibration material disk used, weigh valve component and screw conveyer three in coordination each other, realized the accurate weighing, unloading and mixed transport, and report to the police and indicate and remind the staff, reached and weighed, the integration of unloading and mixed transport, make structural design scientific and reasonable more, and then the accuracy of effectual assurance ratio with improved work efficiency, effectual when having solved and utilizing the selective laser melting technique to carry out many first metals vibration material disk, the alloy powder that usually needs the manual work to carry out different compositions carries out the ratio, place and mix in the powder mixer, put into the different powder cabins that send again, the inefficiency of powder ratio, the poor problem of accuracy.

Drawings

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

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2 according to the present invention;

fig. 4 is a schematic view of a portion of the structure of fig. 3 according to the present invention.

In the figure: 1. a mixing box; 2. a PLC controller; 3. a batching funnel; 4. a weighing valve assembly; 5. a discharging funnel; 6. a screw conveyor; 7. an electric butterfly valve; 8. an access door; 9. locking; 10. a handle; 301. a material separating funnel; 302. an alarm; 401. a weighing plate; 402. a weighing sensor; 403. a slide plate; 404. a guide rod; 405. and (4) an electric cylinder.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment, referring to fig. 1-4, the present invention provides a technical solution:

a powder mixer for laser additive manufacturing comprises a mixing box 1, wherein the side wall of the mixing box 1 is connected with a PLC (programmable logic controller) 2 through a support, the end part of the mixing box 1 is provided with a batching funnel 3, the bottom of the batching funnel 3 is positioned on the mixing box 1 and is provided with a weighing valve assembly 4, a discharging funnel 5 is arranged below the weighing valve assembly 4 and on the inner wall of the mixing box 1, the bottom of the discharging funnel 5 is communicated with a feed inlet of a spiral conveyor 6, an electric butterfly valve 7 is arranged at the discharging port of the spiral conveyor 6 and outside the mixing box 1, the inside of the batching funnel 3 is divided into four independent distributing funnels 301 through partition plates, alarms 302 are correspondingly arranged on the side walls of the four distributing funnels 301 one by one, and the weighing valve assemblies 4 are correspondingly arranged at the discharging port of each distributing funnel 301;

in this embodiment, the weighing valve assembly 4 comprises a weighing plate 401 correspondingly arranged below the distribution hopper 301, a weighing sensor 402 is arranged at the center of the bottom of the weighing plate 401, the bottom of the weighing sensor 402 is installed at the center of the end face of a sliding plate 403, the sliding plate 403 is connected to the side wall inside the mixing box 1 through two sets of guide rods 404, an electric cylinder 405 is arranged on the side wall of the mixing box 1 and corresponding to the sliding plate 403, wherein the telescopic rod of the electric cylinder 405 penetrates into the mixing box 1 and is fixedly connected to the sliding plate 403;

the specific operation PLC controller 2 respectively sets for threshold values detected by each weighing sensor 402 corresponding to the discharge of the four distribution hoppers 301, after data setting is completed, powder to be mixed is respectively put into the corresponding distribution hoppers 301, at the moment, the weighing sensors 402 detect the weight of the powder inside the distribution hoppers 301 in real time, namely, the powder falls into the inside of the distribution hoppers 301, the powder acts on the weighing plate 401, after the weighing plate 401 is stressed, the indirect effect is on the weighing sensors 402, after the weighing sensors 402 detect the data, the numerical value is conveyed to the inside of the PLC controller 2, and after the weight of the powder reaches the set threshold values, the PLC controller 2 receives the data.

As the utility model discloses further preferred scheme, mixing box 1's bottom sets up the support mount pad, has access door 8 through hinged joint on mixing box 1's the lateral wall, and wherein access door 8's opposite side passes through hasp 9 to be connected on the lateral wall of mixing box 1 inner chamber, and on access door 8's the outer wall and be close to being provided with handle 10 on the hasp 9, conveniently open access door 8, overhaul mixing box 1 inside.

As a further preferred scheme of the utility model, screw conveyer 6 is electronic screw conveyer, wherein the last motor of electronic screw conveyer is step motor, and install on the lateral wall of mixing box 1, step motor's drive shaft runs through to the inside of mixing box 1, wherein step motor's drive shaft is connected for rotating with mixing box 1's connected mode, step motor passes through wire electric connection at PLC controller 2, PLC controller 2 is respectively through wire electric connection on electric butterfly valve 7, alarm 302 and electric jar 405, to the equipment circular telegram, the circular telegram is accomplished the back, operation PLC controller 2 sets for the threshold value that every weighing sensor 402 that four material distribution funnel 301's ejection of compact correspond respectively detects, and through, the operation of control screw conveyer 6 that PLC controller 2 corresponds, electric butterfly valve 7, alarm 302 and electric jar 405.

As the utility model discloses further preferred scheme, the telescopic link of electric cylinder 405 is sliding connection with mixing box 1's connected mode, weighing plate 401 is located mixing box 1's inside, wherein the top of mixing box 1 inner chamber and weighing plate 401's terminal surface mutual slip, the telescopic link of the electric cylinder 405 that the control corresponds is withdrawed, it slides to drive weighing plate 401 on the slide 403, open distributing hopper 301's discharge gate promptly, and seted up feeding hole with four distributing hopper 301 on mixing box 1's the terminal surface, wherein weighing plate 401's size is greater than feeding hole's size, and promote through electric cylinder 405 to shelter from feeding hole completely, the effectual feed opening to distributing hopper 3 is closed and is opened.

The utility model discloses work flow: when the powder mixer for laser additive manufacturing designed by the scheme is used, under the condition that a stepping motor is electrically connected to a PLC (programmable logic controller) 2 through a lead, and the PLC 2 is electrically connected to an electric butterfly valve 7, an alarm 302 and an electric cylinder 405 respectively through leads, the equipment is powered on, after the power on is completed, the PLC 2 is operated to set a threshold value detected by each weighing sensor 402 corresponding to the discharge of four distribution funnels 301 respectively, after the data setting is completed, powder to be mixed is put into the corresponding distribution funnel 301 respectively, at the moment, the weighing sensor 402 detects the weight of the powder in the distribution funnel 301 in real time, namely, the powder falls into the distribution funnel 301, the powder acts on the weighing plate 401, after the weighing plate 401 is under pressure, the indirect action is exerted on the weighing sensor 402, after the weighing sensor 402 detects data, the numerical value is transmitted into the PLC 2, when the weight of the powder reaches the set threshold value, after the PLC 2 receives the data, the alarm 302 is immediately controlled to send out an alarm, thereby prompting a worker to add the powder, after the excessive powder is processed, after the PLC 2 receives the data, the alarm immediately controls the spiral hopper to open, the spiral hopper 6 to send out, at the spiral hopper 6, at the spiral hopper 301, when the spiral hopper is started, the spiral hopper 6 is started, the spiral hopper 301, the spiral hopper is controlled, the spiral hopper 301, the spiral hopper is started, the spiral hopper is controlled, the spiral hopper is started, the spiral hopper 6, the spiral hopper is started, the spiral hopper 301, the spiral hopper is started, the spiral hopper is controlled, thereby this process is through being provided with batching funnel 3 on the powder mixer of laser vibration material disk usefulness, weigh valve member 4 and screw conveyer 6 three and cooperate each other, accurate weighing has been realized, unloading and mixed transport, and report to the police and indicate and remind the staff, reached and weighed, the integration of unloading and mixed transport, make structural design scientific and reasonable more, and then the accuracy of effectual assurance ratio with improved work efficiency, when effectual having solved and utilizing the district selection laser melting technique to carry out many first metal vibration material disk, the alloy powder that usually needs the manual work to carry out the different compositions carries out the ratio, place and mix in the powder mixer, put into the different powder cabins that send again, the inefficiency of powder ratio, the poor problem of accuracy.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 powder mixer that laser vibration material disk used, includes mixing box (1), its characterized in that: the side wall of the mixing box (1) is connected with a PLC (programmable logic controller) (2) through a support, a batching funnel (3) is arranged at the end part of the mixing box (1), a weighing valve component (4) is arranged at the bottom of the batching funnel (3) and on the mixing box (1), a discharging funnel (5) is arranged below the weighing valve component (4) and on the inner wall of the mixing box (1), the bottom of the discharging funnel (5) is communicated with a feeding hole of a spiral conveyor (6), an electric butterfly valve (7) is arranged at the discharging hole of the spiral conveyor (6) and outside the mixing box (1), the batching funnel (3) is internally divided into four independent distributing funnels (301) through partition plates, alarms (302) are correspondingly arranged on the side walls of the four distributing funnels (301) one by one, and the weighing valve component (4) is correspondingly arranged at the discharging hole of each distributing funnel (301);

weighing valve subassembly (4) is including corresponding weighing plate (401) of setting in minute hopper (301) below, weighing plate (401) bottom center department is provided with weighing sensor (402), the terminal surface center department at slide (403) is installed to the bottom of weighing sensor (402), slide (403) are connected on mixing box (1) inside lateral wall through two sets of guide bars (404), on the lateral wall of mixing box (1) and correspond with slide (403) and be provided with electric cylinder (405), wherein the telescopic link of electric cylinder (405) runs through to the inside fixed connection of mixing box (1) on slide (403).

2. The powder mixer for laser additive manufacturing according to claim 1, wherein: the bottom of mixing box (1) sets up the support mount pad, there are access door (8) through hinged joint on the lateral wall of mixing box (1), and wherein the opposite side of access door (8) passes through hasp (9) to be connected on the lateral wall of mixing box (1) inner chamber, be provided with handle (10) on the outer wall of access door (8) and be close to hasp (9).

3. The powder mixer for laser additive manufacturing according to claim 1, wherein: screw conveyer (6) are electronic screw conveyer, and wherein the motor on the electronic screw conveyer is step motor to install on the lateral wall of mixing box (1), step motor's drive shaft runs through to the inside of mixing box (1), and wherein step motor's drive shaft is connected for rotating with the connected mode of mixing box (1), and step motor passes through wire electric connection at PLC controller (2).

4. The powder mixer for laser additive manufacturing according to claim 1, wherein: the PLC controller (2) is respectively electrically connected to the electric butterfly valve (7), the alarm (302) and the electric cylinder (405) through wires.

5. The powder mixer for laser additive manufacturing according to claim 1, wherein: the telescopic rod of the electric cylinder (405) is connected with the mixing box (1) in a sliding mode, the weighing plate (401) is located inside the mixing box (1), and the top of the inner cavity of the mixing box (1) and the end face of the weighing plate (401) slide mutually.

6. The powder mixer for laser additive manufacturing according to claim 5, wherein: feeding holes are formed in the end face of the mixing box (1) and the four distribution hoppers (301), the size of the weighing plate (401) is larger than that of the feeding holes, and the feeding holes are completely shielded by pushing of an expansion rod of the electric cylinder (405).