CN111394715A

CN111394715A - Silicon carbide particle and whisker mixture processing apparatus for aluminium base composite

Info

Publication number: CN111394715A
Application number: CN202010258852.6A
Authority: CN
Inventors: 高平平; 彭小敏; 高美连; 伍小波; 陈爽; 吴安如
Original assignee: Hunan Institute of Engineering
Current assignee: Hunan Institute of Engineering
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-07-10
Anticipated expiration: 2040-04-03
Also published as: CN111394715B

Abstract

The invention discloses a silicon carbide particle and whisker mixture processing device for an aluminum matrix composite, which comprises a rack, a material container, a first reaction container, a substandard material container and a guide rod, wherein the rack comprises a support rod and a base, the material container is arranged on the support rod in a sliding manner through the guide rod, the material container is provided with a material inlet and a material outlet, a sieve plate is arranged at the material outlet, the first reaction container is arranged on the upper end surface of the base, the capacity of the first reaction container is larger than the size of the material container, the substandard material container is also arranged on the upper end surface of the base, is arranged around the outer circumference of the support rod and has the same distance with the support rod, one end of the guide rod is fixedly connected with the upper end surface of the material container. The invention realizes a series of automatic transfer operations from coarsening, sensitization, chemical copper plating to deionization discharging, has convenient operation process and simple and ingenious structure, is suitable for various occasions, improves the efficiency and is convenient to put into practice.

Description

Silicon carbide particle and whisker mixture processing apparatus for aluminium base composite

Technical Field

The invention relates to the technical field of composite material manufacturing equipment, in particular to a silicon carbide particle and whisker mixture processing device for an aluminum matrix composite material.

Background

The silicon carbide whisker is a cubic whisker, is a single crystal fiber with a certain length-diameter ratio, and has quite good high-temperature resistance and strength; silicon carbide particles are silicon carbide powders used as reinforcements for composite materials, have strict requirements on purity, particle size, particle shape and surface quality, and are generally prepared by a solid phase method, a sol-gel method, a chemical method or the like. The SiC particle reinforced aluminum matrix composite material prepared from the silicon carbide particle and whisker mixture has better electrical and thermal conductivity.

When the high-conductivity and heat-conductivity aluminum-based composite material is prepared, silicon carbide particles and whiskers need to be subjected to roughening treatment, the surface treatment is performed through processes of sensitization, chemical copper plating and the like, the size of the prepared SiC particles is about 500nm after treatment, the length of the whiskers is about 10 microns, the diameter of the whiskers is less than 3 microns, the size of part of the particles is not roughened to the optimal size standard due to reasons such as density, solution concentration or time, the existence of the part of the particles can influence the performance of the final aluminum-based composite material, and therefore the part which does not reach the standard needs to be separated out.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the conventional silicon carbide particle and whisker mixture treating apparatus.

Therefore, one of the objectives of the present invention is to provide a silicon carbide particle and whisker mixture processing apparatus for aluminum matrix composites, which integrates the procedures of roughening and sensitizing the surface of silicon carbide particles and whiskers to form an integrated processing apparatus, screens off the unqualified silicon carbide particle and whisker mixture after roughening, and performs secondary roughening on the unqualified standard product, thereby improving the product quality and improving the utilization rate.

In order to solve the technical problems, the invention provides the following technical scheme: a silicon carbide particle and whisker mixture processing device for an aluminum matrix composite material comprises,

the rack comprises a supporting rod and a base, wherein the lower end face of the supporting rod is fixed on the upper end face of the base;

the material container is arranged on the support rod in a sliding mode through a guide rod and can slide along the support rod, the material container is made of a metal porous material capable of permeating liquid, a feeding hole and a discharging hole are formed in the material container, and a sieve plate is arranged at the discharging hole;

the first reaction container is arranged on the upper end face of the base, and the capacity of the first reaction container is larger than the size of the material container;

the substandard material container is arranged on the upper end face of the base, is arranged around the outer circumference of the supporting rod with the first reaction container, and has the same distance with the supporting rod; and the number of the first and second groups,

and one end of the guide rod is fixedly connected with the upper end face of the material container, and the other end of the guide rod is in sliding connection with the support rod to drive the material container to be immersed or leached into the solution in the first reaction container and to be moved to the upper part of the substandard material container.

As a preferable embodiment of the apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite according to the present invention, wherein: the outer circumference of the supporting rod is further sleeved with a rotary drum, one end of the rotary drum is connected with a driving motor, a guide groove matched with the guide rod is formed in the outer circumference of the rotary drum, and the guide rod comprises a sliding block connected with the guide groove and a straight rod connected with the sliding block and the first reaction container.

As a preferable embodiment of the apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite according to the present invention, wherein: the track lines of the guide grooves are two groups of coaxial and symmetrical spiral lines which are mutually crossed, the joints of the tail ends of the two groups of spiral lines are in smooth transition, the sliding blocks are rotatably connected with the straight rod, a limiting slide rail is further arranged between the guide rod and the rotary drum, the track width of the limiting slide rail is equal to the diameter of the straight rod, and the guide rod drives the first reaction container to axially slide along the support rod under the limitation of the guide grooves and the limiting slide rail.

As a preferable embodiment of the apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite according to the present invention, wherein: the orbit of spacing slide rail is the orbit of buckling, works as the guide arm is located during the minimum of spacing slide rail orbit, the material container that the guide arm is connected is located in the built-in solution of first reaction vessel, just the slider is located the level and smooth handing-over department of two sets of helix one ends in guide slot orbit, works as the guide arm is located during the turning point of spacing slide rail orbit, the material container that the guide arm is connected is located the top of first reaction vessel, works as the guide arm is located during the peak of spacing slide rail orbit, the material container that the guide arm is connected is located the top of not up to standard material container, just the slider is located the level and smooth handing-over department of the two sets of helix other ends in guide slot orbit.

As a preferable embodiment of the apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite according to the present invention, wherein: the rack further comprises a top support, and the top support is arranged on the upper end face of the supporting rod.

As a preferable embodiment of the apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite according to the present invention, wherein: the upper end face of the material container is arranged on the top support through a telescopic rod, and the telescopic rod is arranged on the top support in a sliding mode.

As a preferable embodiment of the apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite according to the present invention, wherein: the material container comprises a cylindrical material cabin and an outer frame sleeved outside the material cabin, a first mounting groove is formed in a gap between two groups of horizontally opposite surfaces of the material cabin and the outer frame, a second mounting groove is formed in a gap between arc side surfaces of the material cabin and the outer frame, the material cabin and the outer frame are fixedly connected through a fixing shaft arranged in the middle, a rotating blade is sleeved on the upper portion of the fixing shaft positioned in an inner cavity of the material cabin, the upper end surface of the material cabin is connected with the telescopic rod, a discharge door which is rotationally connected with the fixed shaft is arranged at a discharge port of the material cabin and is embedded into the inner wall surface of the material cabin for installation, and the inner wall surface of the material cabin is provided with a rotary groove for providing a rotating space of the material cabin, the discharge door is connected with a first control rod, the first control rod extends to the upper side of the material cabin, and a limiting groove matched with the first control rod to rotate is further formed in the material cabin.

As a preferable embodiment of the apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite according to the present invention, wherein: the sieve includes multiunit screen cloth, the ring frame and the multiunit second control lever of installation screen cloth, the screen cloth set up in the first mounting groove, with the discharge gate corresponds, second control lever one end set up in the up end of ring frame, and its other end passes the second mounting groove extends to the top in material cabin, a set of the second control lever corresponds with a set of the screen cloth.

As a preferable embodiment of the apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite according to the present invention, wherein: the top support is provided with a control handle connected in a rotating mode, the central axis of the control handle rotates with the central axis of the discharging door in a collinear mode, the control handle comprises two groups of clamping plates, the distance between the two groups of clamping plates is larger than the size of the first control rod, and when the first control rod is located at the highest point, the two groups of clamping plates are located on two sides of the first control rod.

As a preferable embodiment of the apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite according to the present invention, wherein: still include second reaction vessel, the base includes the conveyer belt, second reaction vessel with first reaction vessel all set up in the up end of conveyer belt.

The invention has the beneficial effects that:

the invention realizes a series of automatic transfer operations from coarsening, sensitizing, chemical copper plating to deionization discharging, separates the mixture which does not reach the size standard for coarsening again after coarsening the mixture of silicon carbide particles and whiskers, not only improves the product quality of the aluminum matrix composite material, but also improves the material utilization rate, and the automatic transfer and automatic screening of the material container 400 for unqualified products or the automatic discharging process is convenient to operate, has simple and ingenious structure, is suitable for various occasions, improves the efficiency and is convenient to put into practice.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic structural diagram of the first embodiment.

Fig. 2 is a schematic structural diagram of a material container according to a first embodiment.

Fig. 3 is a schematic overall structure diagram of the second embodiment.

Fig. 4 is an exploded view of the material container according to the present invention.

Fig. 5 is a schematic view of a material container according to the present invention.

Fig. 6 is a cross-sectional view of a material container according to the present invention.

Fig. 7 is a schematic structural diagram of a third embodiment.

Fig. 8 is a partial schematic view of a drive mechanism according to a third embodiment.

Fig. 9 is a schematic overall structure diagram of the fourth embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

For the purpose of the following structural description, the present invention is described with the top bracket 106 positioned at the top of the device and the base 102 positioned at the bottom of the device.

Example 1

Referring to fig. 1 and 2, in a first embodiment of the present invention, there is provided an apparatus for processing a mixture of silicon carbide particles and whiskers for an al-based composite material, wherein after the mixture of silicon carbide particles and whiskers is subjected to a roughening process, a mixture that does not reach a size standard is separated and roughened again, so that not only is the product quality of the al-based composite material improved, but also the material utilization rate is improved.

Specifically, the silicon carbide particle and whisker mixture processing device for the aluminum matrix composite comprises a rack 100, a material container 200, a first reaction container 300, an substandard material container 400 and a guide rod 500, wherein the material container 200, the first reaction container 300 and the substandard material container 400 are all arranged on the rack 100, the material container 200 is connected with the rack 100 through the guide rod 500 and slides on the rack, the guide rod 500 can be an electric guide rail guide rod, the work of driving the material container 200 to move between the first reaction container 300 and the substandard material container 400 is carried out, the moving requirement of reaction and screening of the substandard material is completed, the capacity of the first reaction container 300 is larger than the size of the material container 200, and the material container 200 can be immersed into a solution in the first reaction container 300 for reaction.

Specifically, the rack 100 includes a base 102 and a support rod 101 having a lower end fixed to the base 102, the material container 200 is slidably disposed on the support rod 101 through a guide rod 500, and can slide along the support rod 101, the first reaction container 300 and the substandard material container 400 are both disposed on the upper end of the base 102, and are disposed around the outer circumference of the support rod 101, and the distances between the central axes of the two and the central axis of the support rod 101 are the same, that is, when the material container 400 slides around the support rod 101 along with the guide rod 500, the central axis of the material container 400 and the central axis of the first reaction container 300 or the substandard material container 400 are on the same vertical line, so that the material container 400 enters the first reaction container 300, or the material in the material container 400 can smoothly fall into the substandard material container.

Basically, the material container 200 is made of a porous metal material capable of penetrating liquid, the porous metal material is a special metal material composed of a metal framework and internal pores, and the good liquid permeability of the material container is widely applied to the processes of catalytic reaction, heat exchange and the like, when the material container 200 is immersed in a solution in the first reaction container 300, the solution enters the material container 200 due to the permeability of the material container 200 to react with the material, the material is a mixture of silicon carbide whiskers and particles, as shown in fig. 2, the material container 200 is provided with a material inlet 201 and a material outlet 202, a sieve plate 203 is arranged at the material outlet 202, the sieve plate 203 is made of a microporous filter membrane, the pore size of the sieve is less than 500nm, it should be noted that in this embodiment, the material inlet 201 and the material outlet 202 are both channels with openable and closable doors, and the corresponding doors are opened when material is required to be added or sieved, to better achieve the screening function of the screen deck 203, a stirrer or vibrator may be added to the material container 200 to assist in screening.

Further, one end of the guide rod 500 is fixedly connected with the upper end face of the material container 200, and the other end is slidably connected with the support rod 101, so as to drive the material container 200 to immerse or leach the solution in the first reaction container 300 and drive the material container to move to the upper part of the substandard material container 400.

The working process is as follows: during coarsening, a mixture of silicon carbide whiskers and particles heated to 500-600 ℃ and kept warm for 60min is added into a material container 200 through a feeding port 201, coarsening solution concentrated hydrochloric acid is added into a first reaction container 300, a guide rod 500 drives the material container 200 to slide downwards along the axial direction of a supporting rod 101 and immerse the concentrated hydrochloric acid in the first reaction container 300, the concentrated hydrochloric acid enters the material container 200 due to the permeability of the material container 200 to react with the mixture of the silicon carbide whiskers and the particles, a stirrer arranged in the material container stirs and removes Fe ions, larger particles are swallowed and smaller particles to reach the size of more than 500nm, after 60min, coarsening is completed, the guide rod 500 drives the material container 200 to slide upwards along the axial direction of the supporting rod 101, and after the lower end of the material container 200 is higher than the upper end face of the first reaction container 300, the material container 200 is driven to move to the position above an unqualified material container 400, the channel door of the discharge port 202 is opened, under the action of the stirrer or the vibrator, particles with the size smaller than the sieve pores of the sieve plate 203 in the material container 200 fall into the substandard material container 400, the rest mixture in the material container 200 is the material with the size up to the standard, and the subsequent links of sensitization, deionization, chemical copper plating and the like can be directly entered, the material in the material container does not need to be transferred, the operation is convenient, the quality of the aluminum-based composite plate can be improved, the substandard material can be added into the backup coarsening material again to be treated, the use is continued, and the material utilization rate is.

Example 2

Referring to fig. 3, a second embodiment of the present invention is different from the previous embodiment in that the second embodiment realizes automatic transfer of a material container 400 by matching a guide groove 103a with a limiting slide rail 105, and has a simple and smart structure, which is convenient for putting into practice.

Specifically, in order to allow the guide rod 500 to automatically move the material container 200 between the first reaction container 300 and the substandard material container 400, a rotary drum 103 is sleeved on the outer circumference of the supporting rod 101, one end of the rotary drum 103 is connected with a driving motor 104, the driving motor 104 drives the rotary drum 103 to rotate, the outer circumference of the rotary drum 103 is provided with a guide groove 103a matched with the guide rod 500, the track lines of the guide groove 103a are two groups of coaxial and symmetrical spiral lines which are mutually crossed, and the connection of the two sets of spiral ends is in smooth transition, the guide rod 500 comprises a slide block 501 connected with the guide groove 103a and a straight rod 502 connecting the slide block 501 and the first reaction vessel 300, the slide block 501 slides along the spiral track of the guide groove 103a, in the sliding process, because the direction of the two ends of the two sets of spiral lines is changed relative to the straight rod 502, the sliding block 501 is rotatably connected with the straight rod 502.

In order to enable the guide rod 500 to operate according to a predetermined route, a limit slide rail 105 is further arranged between the guide rod 500 and the rotary drum 103, the width of the track of the limit slide rail 105 is equal to the diameter of the straight rod 502, the straight rod 502 is arranged in the track of the limit slide rail 105, and the guide rod 500 drives the first reaction container 300 to axially slide along the support rod 101 under the dual limitation of the guide groove 103a and the limit slide rail 105, it should be noted that, besides the limitation of the limit slide rail 105, a telescopic piece fixed on the rack 100 can be arranged at the top of the material container 400, and the axial sliding of the material container 400 on the support rod 101 can also be limited.

Further, the guide rod 500 not only drives the material container 400 to dip into or leave the first reaction container 300, but also needs to move to the position corresponding to the substandard material container 400 to separate out the substandard mixture after coarsening, and accordingly, the track of the limit slide rail 105 is a bent track, and it needs to be satisfied that when the guide rod 500 is located at the lowest point of the track of the limit slide rail 105, the material container 200 connected with the guide rod 500 is located in the solution in the first reaction container 300, and the slider 501 is located at the smooth junction of one end of the two sets of spiral lines of the track of the guide groove 103a, when the guide rod 500 is located at the turning point of the track of the limit slide rail 105, the material container 200 connected with the guide rod 500 is located above the first reaction container 300, and when the guide rod 500 is located at the highest point of the track of the limit slide rail 105, the material container 200 connected with the guide rod 500 is located above the substandard material container 400, and the, the guide bar 500 can reciprocate on the guide groove 103 a.

It should be noted that, since the coarsening and screening processes require a certain time, the drive motor needs to be set with an intermittent operation time, when the material container 200 leaves from being immersed in the solution in the first reaction container 300 and finally resets to a period, and the material container 200 is immersed in the first reaction container 300 as a starting point, the drive motor 104 stops operating for 60min, so that the mixture is coarsened sufficiently, the drive motor 104 stops operating after half a period, and the material container 200 is located above the substandard material container 400 to perform the screening operation.

In order to make the material container 200 more stable and safe in the moving process, the rack 100 further includes a top bracket 106 disposed on the upper portion of the supporting rod 101, the upper end surface of the material container 200 is disposed on the top bracket 106 through an expansion rod 204, and the expansion rod 204 is slidably disposed on the top bracket 106, and the material container 200 is circumferentially moved around the supporting rod 101 in a sliding manner by using a sliding block and sliding groove.

The working process is as follows: taking the material container 200 as a starting point from the time when the material container 200 is immersed in the solution in the first reaction container 300 to the time when the material container 200 leaves and finally resets to a period, taking the material container 200 immersed in the first reaction container 300 as a starting point, at this time, the guide rod 500 is positioned at the lowest point of the track of the limit slide rail 105, and the slide block 501 is positioned at the smooth joint of one end of two groups of spiral lines of the track of the guide groove 103a, after immersion and coarsening for 60min, the driving motor 104 starts to work, when the guide rod 500 is positioned at the turning point of the track of the limit slide rail 105, the material container 200 connected with the guide rod 500 is positioned above the first reaction container 300, after working for a half period, the guide rod 500 slides to the highest point along the double limits of the guide groove 103a and the limit slide rail 105, the material container 200 connected with the guide rod 500 is positioned above the substandard material container 400, after the substandard materials are screened out, the driving motor 104 continues to work for a half cycle and resets to the position of the starting point. The embodiment has a simple structure, can realize automatic transfer of the coarsened material container 400, and is convenient to put into practice.

Example 3

Referring to fig. 4 to 8, a third embodiment of the present invention is different from the previous embodiment in that the third embodiment can automatically screen out substandard products or automatically discharge materials by controlling the intermittent reciprocating rotation motion of the handle 107, and has the advantages of simple and smart structure, convenient operation, and suitability for various occasions.

Specifically, the sieve plate 203 comprises a plurality of groups of sieve meshes 203a, a ring frame 203b for installing the sieve meshes 203a and a plurality of groups of second control rods 203c, the material container 200 comprises a cylindrical material cabin 205 and an outer frame 206 sleeved outside the material cabin 205, a first mounting groove 207 is formed in a gap between two groups of horizontal opposite surfaces of the material cabin 205 and the outer frame 206, a second mounting groove 208 is formed in a gap between two arc side surfaces of the two circular arc side surfaces, the sieve meshes 203a are arranged in the first mounting groove 207 and correspond to the discharge hole 202, one end of each second control rod 203c is arranged on the upper end surface of the ring frame 203b, and the other end of each second control rod passes through the second mounting groove 208 and extends to the upper side.

Preferably, a plurality of sets of screens 203a with different screen holes are arranged to adjust the specific standard of the unqualified material, and meanwhile, the method can also be applied to other powder processing except the silicon carbide mixture, one set of second control rods 203c correspond to one set of screens 203a, the screens 203a with corresponding hole distances are adjusted by rotating the second control rods 203c along the second mounting groove 208, the size marks of the hole distances can be printed on the second control rods 203c to help the identification, and the position of one set of screens 203a needs to be left empty to be used for discharging qualified products.

Basically, material cabin 205 and frame 206 pass through the fixed axle 209 fixed connection that the middle part set up, then sieve 203 rotates and sets up on fixed axle 209, is located the cover and establishes rotating vane 210 on the fixed axle 209 of material cabin 205 inner chamber, and vane 210 need connect motor control its rotation, supplementary allies oneself with alligatoring stirring and sifts out work, raises the efficiency.

For the cooperation screening work, discharge gate 211 that is connected with fixed axle 209 rotation is provided with in the discharge gate 202 department of material cabin 205, and discharge gate 211 inserts the installation of material cabin 205 internal face, and the internal face of material cabin 205 offers the swivelling chute 205a that provides its rotation space, and discharge gate 211 is connected with first control lever 212, and first control lever 212 extends to the top of material cabin 205, still offers the rotatory spacing groove 205b of cooperation first control lever 212 on the material cabin 205.

As shown in fig. 7, the control handle 107 is rotatably connected to the top bracket 106, so that the discharge door 211 can be automatically opened after the material container 200 reaches a designated position above the substandard material container 400, and automatic screening or discharging work is realized, the central axis of rotation of the control handle 107 is collinear with the central axis of rotation of the discharge door 211, the control handle 107 includes two sets of clamping plates 107a, the distance between the two sets of clamping plates 107a is greater than the size of the first control rod 212, and when the first control rod 212 is located at the highest point, the two sets of clamping plates 107a are located at two sides of the first control rod 212.

Basically, the rotation of the control handle 107 is a reciprocating rotation motion, specifically, the top bracket 106 is provided with a driving mechanism 108, the driving mechanism 108 includes a servo motor 108a, a driving wheel 108b connected to the servo motor 108a, a first driven wheel 108c engaged with the driving wheel 108b, and a second driven wheel 108d mounted at one end of the control handle 107, the second driven wheel 108d is engaged with both the driving wheel 108b and the first driven wheel 108c, it should be noted that, referring to fig. 8, both the driving wheel 108b and the first driven wheel 108c include an incomplete gear M and a complete gear N, the complete gear N of the driving wheel 108b and the first driven wheel 108c are engaged with each other, the incomplete gear M of the driving wheel 108b and the first driven wheel 108c is engaged with the second driven wheel 108d, and the tooth occupation ratio of the incomplete gear M is less than one fourth.

The working process is as follows: when the material container 200 connected with the guide rod 500 is located above the substandard material container 400, screening the substandard mixture is ready to be started, the servo motor 108a starts to work, the driving wheel 108b rotates to drive the first driven wheel 108c to rotate simultaneously, when the incomplete gear M on the driving wheel 108b is meshed with the second driven wheel 108d and the incomplete gear M on the first driven wheel 108c is not meshed with the second driven wheel 108d, the control handle 107 connected with the second driven wheel 108d rotates along with the incomplete gear M, the two groups of clamping plates 107a clamp the first control rod 212 to rotate together in the limiting groove 205b, the discharge door 211 is opened, the servo motor 108a stops working, and it is noted that the blades 210 continuously rotate in the material cabin 205 to cooperate with the coarsening and screening work, the mixture with the size smaller than the hole pitch of the corresponding screen 203a falls into the substandard material container 400 from the discharge port 202, after a period of time, screening is completed, the servo motor 108a works, the driving wheel 108b rotates to drive the first driven wheel 108c to rotate simultaneously, at the moment, the incomplete gear M on the driving wheel 108b is not meshed with the second driven wheel 108d, the incomplete gear M on the first driven wheel 108c is meshed with the second driven wheel 108d to drive the control handle 107 to rotate, and then the discharge door 211 is closed. According to the different conditions, the embodiment can automatically screen out substandard products or automatically discharge materials, has a simple and ingenious structure, is convenient to operate, and is suitable for various occasions.

Example 4

Referring to fig. 9, a third embodiment of the present invention is different from the previous embodiment in that a series of automatic transfer operations from roughening, sensitizing, electroless copper plating to deionization discharging can be realized, which is convenient for operation and popularization.

Specifically, the embodiment further includes a second reaction vessel 600, and may further include a third reaction vessel, a fourth reaction vessel, and the like, the number of the reaction vessels is reasonably arranged according to the required surface treatment process, taking surface treatment of a silicon carbide mixture as an example, the second reaction vessel 600 may be added with a sensitizing solution of SnCl 2.2H 2O solution and HCl solution mixed according to a volume ratio of 3:1, the fourth reaction vessel may be added with a copper plating solution, of course, a fifth reaction vessel added with deionized water may be added, the base 102 includes a conveyor belt 102a, each group of reaction vessels is disposed on the upper end surface of the conveyor belt 102a, and when the material vessel 200 completes one cycle of work, the conveyor belt 102a steps by one unit, that is, when the next cycle starts, the material vessel 200 is immersed in the next reaction vessel.

The specific principle is as follows: taking the material container 200 as a starting point from the solution immersed in the first reaction container 300 to the leaving, and finally resetting to a period, taking the material container 200 immersed in the first reaction container 300 as an initial point, at the moment, the guide rod 500 is positioned at the lowest point of the track of the limiting slide rail 105, the slide block 501 is positioned at the smooth joint of one end of two groups of spiral lines of the track of the guide groove 103a, adding the mixture of silicon carbide whiskers and particles heated to 500-600 ℃ and insulated for 60min into the material container 200 through the feeding port 201, adding the coarsening solution concentrated hydrochloric acid into the first reaction container 300, the guide rod 500 drives the material container 200 to slide downwards along the axial direction of the support rod 101 and immerse the concentrated hydrochloric acid in the first reaction container 300, the concentrated hydrochloric acid enters the material container 200 due to the permeability of the material container 200 to react with the mixture of the silicon carbide whiskers and the particles, the blades 210 arranged in the material container continuously rotate and stir to remove, the size of the material container 200 connected with the guide rod 500 is positioned above the first reaction container 300 when the guide rod 500 is positioned at the turning point of the track of the limiting slide rail 105, the material container 200 connected with the guide rod 500 is positioned above the first reaction container 300, after the operation is carried out for a half period, the guide rod 500 slides to the highest point along the double limits of the guide groove 103a and the limiting slide rail 105 at the moment, the material container 200 connected with the guide rod 500 is positioned above the substandard material container 400, the slide block 501 is positioned at the smooth connection part of the other ends of the two groups of spiral lines of the track of the guide groove 103a, the driving motor 104 stops operating for a period of time, the servo motor 108a starts operating, the driving wheel 108b rotates, the first driven wheel 108c is driven to rotate simultaneously, when the incomplete gear M on the driving wheel 108b is meshed with the second driven wheel 108d, and the incomplete gear M on the first driven wheel 108c is not meshed with the second driven wheel 108d, the control handle 107 connected with the second driven wheel 108d rotates along with the incomplete gear M, two groups of clamping plates 107a clamp the first control rod 212 to rotate together in the limiting groove 205b, the discharge door 211 is opened, the servo motor 108a stops working, it should be noted that the blades 210 continuously rotate in the material cabin 205, and the coarsening and screening work is matched, a mixture with the size smaller than the hole pitch of the corresponding screen 203a falls into the substandard material container 400 from the discharge port 202, after a period of time, the screening is completed, the servo motor 108a works, the driving wheel 108b rotates to drive the first driven wheel 108c to rotate simultaneously, and the incomplete gear M on the driving wheel 108b is not meshed with the second driven wheel 108d, the incomplete gear M on the first driven wheel 108c is engaged with the second driven wheel 108d, and drives the control handle 107 to rotate, the discharging door 211 is closed, the driving motor 104 continues to work for a half cycle, and is reset to the initial point position, in the resetting process, the conveyor belt 102a is stepped by one unit, and the second reaction vessel 600 is conveyed to the original position of the first reaction vessel 300, so that the material container 200 is immersed in the solution of the second reaction vessel 600, the sensitization process is performed, in this way, the electroless copper plating and the deionization operation are continuously carried out, and it is noted that the solutions required by the corresponding links are added into the reaction containers, and simultaneously, when screening is not needed in links such as sensitization and copper plating, the work of the control handle 107 can be stopped, when emptying is needed at last, the position of the corresponding vacated screen mesh 203a is moved to the position of the discharge port 202, and when the control handle 107 works, the discharge door 211 is opened to finish emptying. The invention has simple and ingenious structure, realizes the automatic surface treatment process of the silicon carbide mixture, enhances the product quality and improves the product utilization rate.

It should be noted that, in the present invention, due to the rotation characteristic of the rotary drum 103, a plurality of sets of the above-mentioned components of the material container 200, the first reaction container 300, the substandard material container 400, the guide rod 500, and the like of the present invention may be arranged outside the circumference thereof, so as to form another set of relatively independent working units working on the basis of the rotary drum 103.

In conclusion, the invention realizes a series of automatic transfer operations from coarsening, sensitization, chemical copper plating to deionization discharging, after coarsening treatment of the mixture of silicon carbide particles and whiskers, the mixture which does not reach the size standard is separated out for coarsening again, thereby not only improving the product quality of the aluminum matrix composite material, but also improving the material utilization rate, and the automatic transfer and automatic screening of the material container 400 to unqualified products or automatic discharging processes are convenient to operate, simple and ingenious in structure, suitable for various occasions, improved in efficiency and convenient to put into practice.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides an aluminium base is silicon carbide granule and whisker mixture processing apparatus for combined material which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the rack (100) comprises a supporting rod (101) and a base (102), wherein the lower end face of the supporting rod (101) is fixed on the upper end face of the base (102);

the material container (200) is arranged on the supporting rod (101) in a sliding mode through a guide rod (500) and can slide along the supporting rod (101), the material container (200) is made of a metal porous material capable of penetrating liquid, the material container (200) is provided with a feeding port (201) and a discharging port (202), and a sieve plate (203) is arranged at the discharging port (202);

a first reaction container (300) which is arranged on the upper end face of the base (102), and the capacity of the first reaction container (300) is larger than the size of the material container (200);

the substandard material container (400) is arranged on the upper end face of the base (102), is arranged around the outer circumference of the supporting rod (101) together with the first reaction container (300), and has the same distance with the supporting rod (101); and the number of the first and second groups,

and one end of the guide rod (500) is fixedly connected with the upper end face of the material container (200), and the other end of the guide rod is in sliding connection with the support rod (101) to drive the material container (200) to be immersed into or leached out of the solution in the first reaction container (300) and to be moved to the upper part of the substandard material container (400).

2. The apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite as set forth in claim 1, wherein: the supporting rod (101) is further sleeved with a rotating cylinder (103) in the outer circumference, one end of the rotating cylinder (103) is connected with a driving motor (104), a guide groove (103a) matched with the guide rod (500) is formed in the outer circumferential surface of the rotating cylinder (103), and the guide rod (500) comprises a sliding block (501) connected with the guide groove (103a) and a straight rod (502) connected with the sliding block (501) and the first reaction container (300).

3. The apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite as set forth in claim 2, wherein: the track line of the guide groove (103a) is formed by mutually intersecting two groups of coaxial and symmetrical spiral lines, the connecting position of the tail ends of the two groups of spiral lines is in smooth transition, the sliding block (501) is rotatably connected with the straight rod (502), a limiting sliding rail (105) is further arranged between the guide rod (500) and the rotary drum (103), the track width of the limiting sliding rail (105) is equal to the diameter of the straight rod (502), and the guide rod (500) drives the first reaction container (300) to axially slide along the support rod (101) under the limitation of the guide groove (103a) and the limiting sliding rail (105).

4. The apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite as set forth in claim 3, wherein: the track of the limiting slide rail (105) is a bent track, when the guide rod (500) is positioned at the lowest point of the track of the limiting slide rail (105), the material container (200) connected with the guide rod (500) is positioned in the solution arranged in the first reaction container (300), and the slide block (501) is positioned at the smooth joint of one end of two groups of spiral lines of the track of the guide groove (103a), when the guide rod (500) is positioned at the turning point of the track of the limit slide rail (105), the material container (200) connected with the guide rod (500) is positioned above the first reaction container (300), when the guide rod (500) is positioned at the highest point of the track of the limit slide rail (105), the material container (200) connected with the guide rod (500) is positioned above the substandard material container (400), and the sliding block (501) is positioned at the smooth joint of the other ends of the two groups of spiral lines on the track of the guide groove (103 a).

5. The apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite as set forth in claim 1, wherein: the rack (100) further comprises a top support (106), and the top support (106) is arranged on the upper end face of the support rod (101).

6. The apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite as set forth in claim 5, wherein: the upper end face of the material container (200) is arranged on the top support (106) through an expansion rod (204), and the expansion rod (204) is arranged on the top support (106) in a sliding mode.

7. The apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite as set forth in claim 6, wherein: the material container (200) comprises a cylindrical material cabin (205) and an outer frame (206) sleeved outside the material cabin (205), a first mounting groove (207) is formed in a gap between two groups of horizontally opposite surfaces of the material cabin (205) and the outer frame (206), a second mounting groove (208) is formed in a gap between arc side surfaces of the material cabin and the outer frame, the material cabin and the outer frame are fixedly connected through a fixing shaft (209) arranged in the middle of the material cabin, a rotating blade (210) is sleeved on the upper portion of the fixing shaft (209) positioned in an inner cavity of the material cabin (205), the upper end surface of the material cabin (205) is connected with the telescopic rod (204), a discharge door (211) rotatably connected with the fixing shaft (209) is arranged at a discharge port (202) of the material cabin (205), the discharge door (211) is embedded into the inner wall surface of the material cabin (205) and is provided with a rotating groove (205a) providing a rotating space of the material cabin (205), discharge door (211) are connected with first control lever (212), first control lever (212) extend to the top of material cabin (205), still seted up the cooperation on material cabin (205) first control lever (212) rotatory spacing groove (205 b).

8. The apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite as set forth in claim 7, wherein: sieve (203) include ring frame (203b) and the multiunit second control lever (203c) of multiunit screen cloth (203a), installation screen cloth (203a), screen cloth (203a) set up in first mounting groove (207), with discharge gate (202) correspond, second control lever (203c) one end set up in the up end of ring frame (203b), and its other end passes second mounting groove (208) extend to the top of material cabin (205), a set of second control lever (203c) and a set of screen cloth (203a) correspond.

9. The apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite as set forth in claim 8, wherein: the top support (106) is provided with a control handle (107) which is connected in a rotating mode, the rotating central axis of the control handle (107) is collinear with the rotating central axis of the discharge door (211), the control handle (107) comprises two groups of clamping plates (107a), the distance between the two groups of clamping plates (107a) is larger than the size of the first control rod (212), and when the first control rod (212) is located at the highest point, the two groups of clamping plates (107a) are located on two sides of the first control rod (212).

10. The apparatus for treating a mixture of silicon carbide particles and whiskers for an aluminum matrix composite as set forth in claim 1, wherein: the reaction device further comprises a second reaction container (600), the base (102) comprises a conveyor belt (102a), and the second reaction container (600) and the first reaction container (300) are arranged on the upper end face of the conveyor belt (102 a).