CN117600967B - Crucible polishing assembly and aluminum oxide spraying processing device - Google Patents

Abstract

The invention relates to the technical field of devices for grinding or polishing, and particularly discloses a crucible polishing assembly and an alumina spraying processing device, which comprise a crucible polishing assembly, a bearing dust removal assembly and a placing mechanism, wherein the bearing dust removal assembly is used for collecting dust particles generated in a spraying process, and limiting the position of a crucible through the bearing dust removal assembly and the placing mechanism; the dust removal fan air outlet of the bearing dust removal assembly is connected with the purifying equipment, the other end of the transverse rail and one side of the bearing dust removal assembly are provided with a longitudinal rail, and the longitudinal rail is connected with a spraying assembly for spraying the inner wall of the crucible in a sliding manner; one side of the spraying component is connected with a second pushing mechanism, and the spraying component moves on the longitudinal rail through the second pushing mechanism; the invention solves the technical problem of how to quickly replace different polishing sleeves.

Description

Crucible polishing assembly and aluminum oxide spraying processing device

Technical Field

The invention relates to the technical field of devices for grinding or polishing, in particular to a crucible polishing assembly and an alumina spraying processing device.

Background

At present, in the production process of single crystal quartz, one important link is to spray the inner wall of a crucible so as to prolong the service life of the single crystal quartz crucible and improve the crystallization rate of the single crystal crucible; the spraying operation of the crucible mainly comprises the following steps: the preparation of paint, pre-polishing of the surface of the inner wall of the crucible, purging, cleaning and polishing of the powder, spraying of the inner wall of the crucible and other processes are involved; related technologies are disclosed in China patent library, for example, the invention patent with publication number CN104561963A discloses a crucible sintering-free coating method for polycrystalline silicon ingots, which comprises the following steps: uniformly mixing silica sol and water, then adding silicon nitride and nano silicon dioxide, and uniformly stirring to obtain slurry; polishing the inner wall of the crucible by using a scouring pad, blowing out the inner wall by using compressed air after polishing, preheating the crucible, and enabling the temperature of the corner of the crucible to reach 70-80 ℃; spraying the slurry on the inner wall of the crucible, wherein the temperature of the corner of the crucible is controlled to be 60-70 ℃ and the spraying thickness is 0.8-0.9mm during spraying; after spraying, the crucible is baked for 20-30min at 60-70 ℃. Wherein, the pre-polishing process before crucible spraying is also disclosed in the related patents in China patent library.

For example, publication number CN103447921B discloses a quartz crucible polishing device, wherein the first transverse rail of the main motion mechanism has a rectangular cross section, and the second transverse rail has a triangular cross section; the portal frame is fixedly arranged on the chassis, the first direction carriage is slidably arranged on the first direction transverse rail, the second direction sliding plate is slidably arranged on the second direction transverse rail, the cross section of the first direction transverse rail, which is far away from the chassis, is rectangular, the cross section of the first direction transverse rail, which is close to the chassis, is dovetail, the cross section of the second direction transverse rail is dovetail, the spindle motor is arranged on the second direction sliding plate, the spindle motor drives the plane grinding head, and the servo motor assembly drives the workbench, the first direction carriage and the second direction sliding plate through the ball screw;

for example, publication number CN114178948B discloses a quartz crucible polishing device, which comprises a transmission device and a quartz crucible main body, wherein the transmission device consists of a transmission component and a power device, and the power device drives the transmission component to move; a plurality of groups of limiting openings are formed on the transmission part of the transmission device, the quartz crucible main body is placed in the limiting openings and is transmitted through the transmission device, and convex pressing convex blocks are formed on two sides of the transmission part of the transmission device; the lower part of the transmission device is provided with a supporting table, and a limiting sleeve is also fixed on the supporting table, and the diameter of the limiting sleeve is equal to that of the limiting opening; the two sides of the supporting table are provided with the pressing strips, the pressing strips rotate on the supporting table by taking the connecting frame as the circle center, and the upper end parts of the pressing strips can be in friction contact with the pressing convex blocks.

The crucible polishing technology disclosed in the above patent library solves the technical problem of polishing the crucible surface, but still has the problems that: in the prior art, a single polishing sleeve is used for polishing the surface of the crucible, and in the actual production process, the crucible needs to be timely adjusted to different polishing sleeves according to requirements; the prior art adopts the manual mode to change the grinding sleeve generally, can seriously influence the whole processing progress of spraying operation, reduces work efficiency.

Disclosure of Invention

In view of the above, the invention aims to provide a crucible polishing assembly and an alumina spraying processing device, which solve the technical problem of how to quickly replace different polishing sleeves.

In a first aspect, the invention discloses a crucible polishing assembly comprising a polishing mechanism for polishing an inner wall of a crucible; the polishing mechanism comprises a chassis, a pipe sleeve is connected to the chassis in a switching mode, and a supporting disc is connected to the pipe sleeve; at least two electric pushing bars are arranged on the annular array on the supporting disc, and the telescopic shaft of each electric pushing bar is connected with polishing sleeves made of different materials; the electric pushing bar is used for lifting the polishing sleeve and enabling the inner wall of the polishing sleeve and the inner wall of the crucible to form clearance fit; a lifting rotator for carrying the crucible is connected to the chassis in a switching way, and the lifting rotator rotates on the chassis by a driving motor; the pipe sleeve is connected with a driving mechanism which is used for driving the pipe sleeve to rotate or lock the pipe sleeve on the chassis; at least one transverse rail is arranged at the side of the polishing mechanism, and the transverse rail is connected with the placing mechanism in a sliding manner; the placing mechanism comprises a first mechanical arm unit, wherein the first mechanical arm unit is overturned in three directions through a first overturning motor, a second overturning motor and a third overturning motor, and the first mechanical arm unit is rotated in two directions through a first rotating motor and a second rotating motor; the load disc of the first mechanical arm unit is connected with the holding unit, and the holding unit is used for driving the holding unit to execute the action of holding the crucible or the action of loosening the crucible through the driving structure; the placing mechanism is moved on the transverse rail by the first pushing mechanism.

As a further definition of the drive mechanism: the driving mechanism comprises a rotating unit, a pushing unit is arranged on one side of the rotating unit and the chassis, and a driving unit is connected to the pipe sleeve; and when the notch wheel disc of the driving unit rotates for one circle, the second wedge block of the pushing unit props against the first wedge block corresponding to the rotating unit to finish single upward movement, and the driven bevel gear corresponding to the first wedge block contacts with the driving bevel gear.

As a further definition of the clasping unit: the holding unit comprises a suspension bracket, and one end of the suspension bracket is connected with the load disc; the suspension frame is provided with a driving structure, the other end of the driving structure is connected with a first auxiliary rod body, the first auxiliary rod body is connected with the main rod body in a switching mode, the rod body of the main rod body is connected with a second auxiliary rod body in a switching mode, the free end of the second auxiliary rod body is connected with the suspension frame in a switching mode on the nearby side, and the other end of the main rod body is connected with a hoop.

As a further definition of the drive structure: the driving structure comprises a motor, wherein the motor is arranged on the suspension bracket, the output shaft of the motor is connected with a first worm, one side of the first worm is connected with two meshed first worm gears on the suspension bracket in a switching way, and the first worm is connected with one of the first worm gears in a meshing way to form linkage; the first worm wheel is connected with a first auxiliary rod body.

In a second aspect, the invention discloses an alumina spraying processing device, which comprises a crucible polishing assembly and a bearing dust removal assembly; the bearing dust removing assembly is used for collecting dust particles generated in the spraying process, and limiting the position of the crucible through the bearing dust removing assembly and the placing mechanism; the dust removal fan air outlet of the bearing dust removal assembly is connected with the purifying equipment, the other end of the transverse rail and one side of the bearing dust removal assembly are provided with a longitudinal rail, and the longitudinal rail is connected with a spraying assembly for spraying the inner wall of the crucible in a sliding manner; one side of the spraying component is connected with a second pushing mechanism, and the spraying component moves on the longitudinal rail through the second pushing mechanism.

As a further definition of a load bearing dust collection assembly: the bearing dust removal assembly comprises a dust removal bin body, a flow inlet pipeline is connected to the dust removal bin body, a steering nozzle is connected to a free port of the flow inlet pipeline, and an inner cavity of the steering nozzle is communicated with the flow inlet pipeline; the bottom of the inflow pipeline is connected with a supporting leg, and the opening of the steering nozzle rotates and is communicated with a flow guiding nozzle; the other end of the guide nozzle is connected with a positioning ring body, the guide nozzle is communicated with the inner cavity of the positioning ring body, and the positioning ring body is used for being matched with the crucible; the dust removal bin body is provided with a dust removal fan, an air inlet of the dust removal fan is communicated with the dust removal bin body, and an air outlet of the dust removal fan is connected with purifying equipment.

As a further definition of the spray assembly: the spraying assembly comprises a second mechanical arm unit, a spraying machine is connected below a load disc of the second mechanical arm unit, an opening unit is arranged on one side of a switch trigger of the spraying machine, and the opening unit is used for pressing or keeping away from the switch trigger; a water suction pump is arranged at the bottom of the spray can of the spraying machine, a water inlet of the water suction pump is communicated with the inner cavity of the spray can, a water outlet of the water suction pump is connected with a soft guide pipe, the other end of the guide pipe is connected with the spraying machine, and the spray can is connected with a sliding table of a second mechanical arm unit; the watering can is provided with a stirring unit; wherein, the stirring unit (28) comprises a driving shaft (2801), and the driving shaft (2801) is connected with a kettle cover of the watering can in a switching way; the driving shaft (2801) is connected with a servo motor in a transmission way; a kettle cover of the watering can is connected with a stirring shaft (2804), and the stirring shaft (2804) is connected with a stirring head (2805); the stirring shaft (2804) is connected with a second driven gear (2806), a toothed ring (2807) is arranged on a kettle cover of the spray kettle, and the toothed ring (2807) and the second driven gear (2806) are meshed and linked.

The invention has the beneficial effects that:

according to the invention, by combining the placing mechanism, the polishing mechanism and the first pushing mechanism, batch crucibles can be mechanically transferred and polished, so that the working efficiency is high; on the other hand, the polishing device is independently combined with the polishing mechanism, the motor and the lifting swivel drive the crucible to rotate, and the electric pushing bar drives the polishing sleeve to contact with the inner wall of the crucible, so that the polishing operation of the polishing sleeve on the inner wall of the crucible is smoothly realized; different electric pushing bars can be close to or far away from the crucible inner wall with the cover of polishing of corresponding material to satisfy the actual demand of different crucibles to the cover of polishing of different materials, replace artifical cover change mode of polishing through the cover mode of mechanically changing, accelerate the whole processing progress of spraying operation, further improve work efficiency.

Drawings

FIG. 1 is a perspective view showing a structure of a crucible polishing assembly.

Fig. 2 is a schematic perspective view of a polishing mechanism.

FIG. 3 is a schematic view of the external appearance of the crucible.

Fig. 4 is a schematic diagram of the connection of the lifting swivel to the drive motor.

Fig. 5 is a schematic perspective view of the placement mechanism.

Fig. 6 is a schematic perspective view of the holding unit.

Fig. 7 is a schematic view of a partial assembly of the drive mechanism and the grinding mechanism.

Fig. 8 is a schematic view of the assembled structure of the pipe sleeve.

Fig. 9 is a schematic diagram of a driving unit mounting structure.

Fig. 10 is a schematic diagram of an assembly structure of the driving unit and the self-locking unit.

Fig. 11 is a schematic view of the overall structure of the alumina spray finishing device.

Fig. 12 is an isolated perspective view of the load bearing dust collection assembly.

Fig. 13 is an overall display view of the spray assembly.

Fig. 14 shows a suction pump mounted at the bottom of a spray can of the sprayer.

Fig. 15 is a second view angle assembly structure schematic view of the stirring unit.

In the figure, a chassis 1; a pipe sleeve 2; a support plate 3; an electric push bar 4; polishing sleeve 5; a lifting swivel 6; a large ring portion 601; a small ring portion 602; a crucible 7; a plate 701; a bump 702; a transverse rail 8; a first robot arm unit 9; a slide table 901; a receiving cavity 902; a first rotor 903; a first inversion joint 904; a second inversion joint 905; a second swivel 906; a third inversion joint 907; a load tray 908; a second robot arm unit 10; a holding unit 11; a suspension 1101; a motor 1102; a first worm 1103; a first worm gear 1104; a first auxiliary rod 1105; a main lever body 1106; a second attachment body 1107; hoops 1108; a rotation unit 12; a drive bevel gear 1201; driven bevel gear 1202; a first wedge 1203; a pushing unit 13; a second wedge 1301; a stiffener 1302; a drive unit 14; four-jaw wheel disc 1401; notch wheel 1402; a central shaft 1403; a carrier 1404; toggle lever 1405; a self-locking unit 15; self-locking box 1501; a rotary valve 1502; a dust removal bin 16; an inflow conduit 17; a turning nozzle 18; legs 19; a spout 20; a positioning ring body 21; a dust removal fan 22; a longitudinal rail 23; applicator 24; an opening unit 25; an electric telescopic cylinder 2501; a pressing plate 2502; a water pump 26; a draft tube 27; a stirring unit 28; a drive shaft 2801; a drive gear 2802; a first driven gear 2803; a stirring shaft 2804; a stirring head 2805; a second driven gear 2806; toothed ring 2807.

Detailed Description

For a clear understanding of the technical solutions of the present application, a crucible polishing assembly and an alumina spraying device provided in the present application will be described in detail below with reference to specific embodiments and accompanying drawings.

The terminology used in the following embodiments is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification and claims of this application, the singular forms "a," "an," "the," and "the" are intended to include, for example, "one or more" such forms of expression, unless the context clearly indicates to the contrary. It should also be understood that in the various embodiments herein below, "at least one", "one or more" means one, two or more than two.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in various places throughout this specification are not necessarily all referring to the same embodiment, but mean "one or more, but not all, embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Embodiment 1, this embodiment provides a crucible polishing assembly, referring to fig. 1, which shows a three-dimensional structural representation of the crucible polishing assembly, and as can be seen from the figure, the crucible polishing assembly comprises a polishing mechanism, further referring to fig. 2, fig. 2 shows a three-dimensional structural schematic diagram of the polishing mechanism, referring to fig. 1-2, the polishing mechanism comprises a chassis 1, a pipe sleeve 2 is rotatably connected to the center of the upper surface of the chassis 1, a supporting disc 3 is fixedly sleeved on the pipe sleeve 2, and the supporting disc 3 coincides with the coaxial line of the pipe sleeve 2; the upper surface of the support disc 3 is connected with four electric pushing bars 4 in an annular array mode, and the electric pushing bars 4 directly use the prior art, for example, the model is MNTL; the telescopic shafts of the electric pushing rods 4 are connected with polishing sleeves 5, and the polishing sleeves 5 on each electric pushing rod 4 are made of different materials, for example, four polishing sleeves 5 can be made of white corundum abrasive, brown corundum abrasive, monocrystalline corundum abrasive, chrome corundum abrasive or other materials respectively; the outer surface of each grinding sleeve 5 may form a clearance fit with the inner side wall of the crucible 7. The upper surface of the chassis 1 is provided with a lifting swivel 6, wherein the bottom of the lifting swivel 6 is a large ring part 601, and the large ring part 601 is concentrically and rotatably connected with the upper surface of the chassis 1; the top of the lifting body 6 is a small ring part 602, the small ring part 602 can form a sleeved fit with the inlet of the crucible 7, as shown in fig. 3 (fig. 3 is a schematic view of the appearance structure of the crucible 7), a plate body 701 is connected on the outer edge of the inlet of the crucible 7, four protruding blocks 702 are connected on the plate body 701 in an annular array manner, the central line of the annular array formed by the four protruding blocks 702 is collinear with the central line of the crucible 7, the protruding blocks 702 and the outer edge of the crucible 7 form a gap (L), and the ring body of the small ring part 602 can be inserted into the gap and form a lap fit with the gap. Further referring to fig. 4, a schematic connection diagram of the lifting rotator 6 and a driving motor is shown, in which a driving motor is installed at one side of the large ring portion 601 of the lifting rotator 6, and an output shaft of the driving motor is connected with the large ring portion 601 of the lifting rotator 6 through a transmission belt.

With continued reference to fig. 1, two transverse rails 8 are respectively disposed on the left and right sides of the polishing mechanism, each transverse rail 8 is slidably connected with a placement mechanism, one side of the placement mechanism is connected with a first pushing mechanism, and the placement mechanism can be moved by using the first pushing mechanism such as an electric push rod 4 (model MNTL); the specific structure of the placing mechanism is as follows.

Referring to fig. 5 and further referring to fig. 1, in which fig. 5 shows a schematic perspective view of a placement mechanism, it can be seen from the two views that the placement mechanism includes a first mechanical arm unit 9, more specifically, the first mechanical arm unit 9 includes a sliding table 901, a receiving cavity 902 is mounted on the sliding table 901 by bolts, a first rotating body 903 is rotatably connected to the top of the receiving cavity 902, a first rotating motor is mounted on the inner side of a protruding portion of the receiving cavity 902, and a power output shaft of the first rotating motor is connected with the first rotating body 903 through a transmission belt (the transmission belt can directly use a commercially available belt of O-420 type, and other transmission belts related to the invention are the same as the transmission belt here); a first overturning motor is arranged on the first swivel 903, a first overturning joint 904 is arranged on one side of the first overturning motor, and an output shaft of the first overturning motor is connected with the first overturning joint 904; the other side of the first tilting joint 904 is rotatably connected with a second tilting joint 905, and a second tilting motor (the second tilting motor is the same as the first tilting motor in type and is not described in detail herein), and a power output shaft of the second tilting motor is connected with the second tilting joint 905; the other side of the second turning joint 905 is connected with a second rotary motor (the type of the first rotary motor is the same as that of the second rotary motor), an output shaft of the second rotary motor is connected with a second turning body 906, a third turning joint 907 is adjustably connected with the second turning body 906, and a third turning motor (the type of the third turning motor is the same as that of the first turning motor and the second turning motor) for driving the third turning joint 907 to perform turning action is connected with the second turning body 906; the third tilting joint 907 is connected with a load disc 908, and a holding unit 11 is connected below the load disc 908. The three overturning motors are respectively used for adjusting the first overturning joint 904, the second overturning joint 905 and the third overturning joint 907 to realize overturning actions; the two rotary motors are used for adjusting the first rotor 903 and the second rotor 906 to respectively realize rotary motion, and finally, multidirectional adjustment of the holding unit 11 is indirectly realized; the holding unit 11 has a more specific structure as follows.

Referring to fig. 6 in combination with fig. 1 and 5, fig. 6 shows a schematic perspective structure of a holding unit 11, and as can be seen from the figure, the holding unit 11 includes a suspension frame 1101, one end of the suspension frame 1101 is connected with four long bolts, and the other end of the long bolt is connected to a load disc 908; a motor 1102 is arranged on the suspension bracket 1101, a first worm 1103 is connected to an output shaft of the motor 1102, two mutually meshed first worm gears 1104 are rotatably connected to one side of the first worm 1103 and the suspension bracket 1101, and the first worm 1103 is in meshed connection with one of the first worm gears 1104 to form linkage; the upper surface of each first worm wheel 1104 is connected with a first auxiliary rod body 1105 through bolts, the first auxiliary rod body 1105 is rotationally connected with the tail end of the main rod body 1106, the rod body of the main rod body 1106 is rotationally connected with a second auxiliary rod body 1107, and the free end of the second auxiliary rod body 1107 is rotationally connected with the nearby side of the suspension bracket 1101; the other end of the main rod body 1106 is fixedly connected with hoops 1108, and the two hoops 1108, the corresponding main rod body 1106, the first auxiliary rod body 1105 and the second auxiliary rod body 1107 form an encircling structure together, so that the crucible 7 can be used for holding the outer surface of the crucible 7; the first worm 1103, the first worm wheel 1104, and the motor 1102 together constitute a driving structure for driving the encircling structure to perform an operation of holding the crucible 7 or an operation of releasing the crucible 7.

The principle of operation of the clasping unit 11 is as follows: with continued reference to fig. 6, the motor 1102 is started, the motor 1102 drives the first worm 1103 to rotate along the direction a, and the first worm 1103 is linked with the first worm wheel 1104 and the corresponding first auxiliary rod to rotate along the direction b; under the combined action of the first auxiliary rod 1105 on the first worm wheel 1104 and the second auxiliary rod 1107 on the suspension frame 1101, the two main rod 1106 drive the corresponding anchor ear 1108 to move along the directions c1 and c2 respectively and compress the outer surface of the crucible 7, and the two anchor ears 1108 compress the outer surface of the crucible 7 from different directions so as to realize the holding action of the crucible 7; when the holding unit 11 needs to loosen the outer surface of the crucible 7, the motor 1102 reversely drives the first worm 1103 to rotate, which will not be described herein.

The pipe sleeve 2 is further provided with a driving mechanism, and the driving mechanism can drive the pipe sleeve 2 to rotate or can lock the pipe sleeve 2 on the chassis 1.

The overall operation of the crucible polishing assembly is as follows: referring to fig. 1, firstly, the placing mechanism on the transverse rail 8 clamps the crucible 7 at the stacking point in the air by using the functions of the holding unit 11 and the first mechanical arm unit 9, secondly, the placing mechanism and the crucible 7 are transferred to one side of the polishing mechanism by using the first pushing mechanism (the moving direction to the polishing mechanism is the e2 direction, and the moving direction to the stacking point is the e1 direction), and the crucible 7 is placed on the lifting swivel 6 of the polishing mechanism by using the placing mechanism again. Then, according to the actual polishing requirement, the electric pushing bar 4 of the polishing mechanism is used for lifting the corresponding polishing sleeve 5 to be in contact with the inner wall of the crucible 7, and meanwhile, the electric pushing bar 4 is used for separating the other three polishing sleeves 5 from contact with the inner wall of the crucible 7. Finally, the lifting swivel 6 and the crucible 7 on the lifting swivel 6 are driven by a driving motor to rotate, and in the rotating process of the crucible 7, the polishing sleeve 5 and the inner wall of the crucible 7 generate continuous friction, so that the polishing sleeve 5 generates polishing and polishing effects on the inner wall of the crucible 7.

According to the invention, by combining the placing mechanism, the polishing mechanism and the first pushing mechanism, batch crucibles 7 can be mechanically transferred and polished, so that the working efficiency is high; on the other hand, the invention combines the polishing mechanism independently, the motor and the lifting swivel 6 drive the crucible 7 to rotate, and the electric pushing bar 4 drives the polishing sleeve 5 to contact with the inner wall of the crucible 7, thereby smoothly realizing the polishing operation of the polishing sleeve 5 on the inner wall of the crucible 7; different electric pushing bars 4 can be close to or keep away from the inner wall of the crucible 7 with the cover 5 of polishing of corresponding material to satisfy the actual demand of different crucibles 7 to the cover 5 of polishing of different materials, replace artifical cover 5 replacement mode of polishing through mechanical replacement cover 5 mode of polishing, accelerate the whole processing progress of spraying operation, further improve work efficiency.

As a further limitation to the driving mechanism, referring to the schematic partial assembly of the driving mechanism and the polishing mechanism shown in fig. 7, it can be seen from the figure that the driving mechanism includes a rotation unit 12, where the rotation unit 12 includes a drive bevel gear 1201, a pin shaft is connected to the center of the drive bevel gear 1201, and passes through the pipe sleeve 2 to be connected to an output shaft of a driving source on the chassis 1 and in the pipe sleeve 2, where the driving source is used to drive the pin shaft to rotate, and the driving source may directly use a servo motor, or use other driving sources with the same function as the servo motor (as shown in fig. 8, the schematic assembly structure of the pipe sleeve 2 is shown); the outer surface of the electric pushing rod 4 is sleeved with a driven bevel gear 1202, and a driving bevel gear 12012 and the driven bevel gear 1202 can be in meshed connection and form linkage; the bottom of the electric push rod 4 is connected with a flange which is rotationally connected with the support disc 3, and the other end of the flange is arranged below the support disc 3; an elastic part (such as a spring and the like) is movably sleeved on the flange; when the elastic member is in a natural state, the driven bevel gear 1202 is located below the drive bevel gear 1201 and is out of contact with the drive bevel gear 1201; the flange arranged below the support disc 3 is connected with a first wedge-shaped block 1203, one side of the first wedge-shaped block 1203 and the upper surface of the chassis 1 are provided with pushing units 13, and the specific structure of the pushing units 13 is as follows.

With continued reference to fig. 7, the pushing unit 13 includes a second wedge 1301, a reinforcing rib 1302 is connected to the second wedge 1301, and the other end of the reinforcing rib 1302 is connected to the chassis 1; as shown in fig. 7, when the first wedge 1203 gradually approaches the second wedge 1301 in the d direction, the two inclined surfaces of the first wedge 1203 and the second wedge 1301 are opposite; after the first wedge 1203 and the second wedge 1301 are contacted, the inclined surface of the first wedge 1203 continuously presses the inclined surface of the second wedge 1301 along the d direction, and the first wedge 1203 moves upwards along the e1 direction until the driven bevel gear 1202 is contacted with the drive bevel gear 1201; referring to the schematic installation structure of the driving unit 14 shown in fig. 9, it can be seen from the figure that the driving unit 14 is connected to the socket 2, and the specific structure of the driving unit 14 is as follows.

Referring to fig. 10 in combination with fig. 9, wherein fig. 10 shows a schematic diagram of an assembly structure of a driving unit 14 and a self-locking unit 15, as shown in fig. 9 and 10, the driving unit 14 includes a four-jaw wheel 1401, four jaws of the four-jaw wheel 1401 are respectively formed with an open slot, and an outer edge of the four-jaw wheel 1401 between two adjacent jaws is formed with an arc slot; a notch wheel disc 1402 is arranged on one side of the four-jaw wheel disc 1401, a central shaft 1403 is arranged in the center of the notch wheel disc 1402, the other end of the central shaft 1403 is in rotary connection with a bearing frame 1404, and the bearing frame 1404 is fixedly connected to the chassis 1; a poking rod body 1405 is connected to the notch center of the notch wheel disc 1402, a protruding part is formed at the free end of the poking rod body 1405, the protruding part of the poking rod body 1405 can form sliding fit with an opening groove of the four-claw wheel disc 1401, and the outer edge of the notch wheel disc 1402 is in sliding fit with an arc groove of the four-claw wheel disc 1401; the notch wheel 1402 and the toggle rod 1405 together with the four-jaw wheel 1401 form a geneva mechanism (the structure and working principle of the geneva mechanism are common knowledge in the prior art, and are not described here in detail); for each rotation of the notch wheel disc 1402, the convex part of the toggle rod body 1405 sequentially completes the action of entering the open slot and the action of exiting the open slot, and the four-jaw wheel disc 1401 correspondingly rotates for 90 degrees; meanwhile, the present embodiment defines at the same time: every time the four-jaw wheel disc 1401 drives the pipe sleeve 2 and the supporting disc 3 to rotate 90 degrees, the second wedge block 1301 immediately abuts against the corresponding first wedge block 1203 to finish single upward movement, and the driven bevel gear 1202 corresponding to the first wedge block 1203 is contacted with the driving bevel gear 1201, so that the corresponding polishing sleeve 5 is indirectly rotated; the upper surface of the carrier 1404 and the central shaft 1403 are connected with the self-locking unit 15, and the specific structure of the self-locking unit 15 is as follows. According to the invention, by combining the rotating unit 12, the pushing unit 13 and the driving unit 14, only the notch wheel disc 1402 of the driving unit 14 is controlled to rotate once, the second wedge block 1301 of the pushing unit 13 can be linked to abut against the corresponding first wedge block 1203 of the rotating unit 12, so that the polishing sleeve 5 corresponding to the first wedge block 1203 can be indirectly rotated, and the polishing sleeve 5 corresponding to the material can be accurately and quickly switched to a rotating action or a static action in a mechanical way, so that the requirements of different crucibles 7 can be met, and the working efficiency can be improved.

With continued reference to fig. 10, the self-locking unit 15 includes a self-locking box 1501, a worm gear mechanism is installed in the self-locking box 1501, a second worm wheel of the worm gear mechanism is fixedly connected with the central shaft 1403 concentrically, the second worm of the worm gear mechanism is rotatably connected to the self-locking box 1501, and a rotary valve 1502 is installed at one end of the second worm. According to the invention, by further combining the self-locking unit 15 and utilizing the self-locking function of the self-locking unit 15, the moved driving unit 14 can be locked in time, so that the driving unit 14 is prevented from driving the rotating unit 12 to be separated from the pushing unit 13, and the phenomenon of stalling of the corresponding polishing sleeve 5 is avoided, thereby influencing the overall polishing operation of the crucible 7.

The driving mechanism works as follows: when the polishing sleeve 5 made of different materials needs to be replaced to polish the inner wall of the crucible 7, the locking unit and the driving unit 14 are utilized to enable the polishing sleeve 5 on the supporting disc 3 to perform revolution motion along the center of the supporting disc 3 until the first wedge 1203 corresponding to the polishing sleeve 5 is in contact with the second wedge 1301 of the pushing unit 13, the corresponding driven bevel gear 1202 of the rotating unit 12 is enabled to be in contact with the rotating driving bevel gear 1201, at the moment, the corresponding driven bevel gear 1202 and the polishing sleeve 5 perform autorotation motion, and the flying polishing sleeve 5 performs polishing operation on the inner wall of the crucible 7.

Embodiment 2, this embodiment provides an alumina spraying processing device, referring to fig. 11, which shows an overall schematic structure of the alumina spraying processing device, and it can be seen from the figure that the alumina spraying processing device includes not only the crucible polishing assembly in embodiment 1, but also the bearing dust removal assembly; the bearing dust removal assembly further comprises a dust removal bin body 16, wherein the dust removal bin body 16 is connected with an inflow pipeline 17, a free port of the inflow pipeline 17 is connected with a steering nozzle 18, and an inner cavity of the steering nozzle 18 is communicated with the inflow pipeline 17, as shown in fig. 11 and 12; the bottom of the inflow pipeline 17 is connected with a support leg 19, the support leg 19 is used for supporting the ground, and the opening of the steering nozzle 18 rotates and is communicated with a diversion nozzle 20; the other end of the guide nozzle 20 is connected with a positioning ring body 21, the guide nozzle 20 is communicated with the inner cavity of the positioning ring body 21, and the annular edge of the positioning ring body 21 is mutually matched with the bump 702 and the interval (L) between the crucible 7; the steering nozzle 18 and the diversion nozzle 20 are in rotary connection, so that the position of the positioning ring body 21 can be timely adjusted to meet the subsequent spraying requirement; the positioning of the crucible 7 is achieved jointly by the lug 702, the interval (L) between the crucibles 7 and a placing mechanism in the crucible polishing assembly, wherein the interval (L) between the lug 702 and the crucible 7 is used for limiting the inlet of the crucible 7, and the placing mechanism is used for holding the unit 11 and limiting the outer surface of the crucible 7.

The top of the dust removal bin body 16 is provided with a dust removal fan 22 (existing products, such as model TZY), an air inlet of the dust removal fan 22 is communicated with the dust removal bin body 16, an air outlet of the dust removal fan 22 is used for being connected with purifying equipment, the purifying equipment uses the existing products (such as model HT) which can be purchased in the market, the load-bearing dust removal assembly is used for collecting dust particles generated in the spraying process, and the purifying equipment further carries out purifying treatment on the dust particles collected by the load-bearing dust removal assembly.

The working mode of the bearing dust removal component is as follows: firstly, when the crucible 7 is moved to one side of the positioning ring 21 by the placing mechanism, the placing mechanism is further adjusted until the placing mechanism places the interval (L) at the inlet of the crucible 7 in the positioning ring 21, and the crucible 7 is positioned by the interval (L) and the placing mechanism together. Then, the dust removing fan 22 and the purifying equipment are started in the process of spraying the crucible 7, and dust particles generated during spraying sequentially enter the dust removing bin body 16 through the inflow pipeline 17, the flow guiding nozzle 20 and the turning nozzle 18, and then enter the purifying equipment after passing through the dust removing fan 22.

With continued reference to fig. 11, a longitudinal rail 23 is disposed at the other end of the two transverse rails 8 and on one side of the dust removing component, a spraying component is slidably connected to the longitudinal rail 23, one side of the spraying component is connected to a second pushing mechanism (the first pushing mechanism and the second pushing mechanism are identical, and are not described herein again), and the specific structure of the spraying component is as follows.

Referring to fig. 13, an overall display diagram of a spraying assembly is shown, and as can be seen from the drawing, the spraying assembly includes a second mechanical arm unit 10 (the first mechanical arm unit 9 is identical to the second mechanical arm unit 10, and will not be described herein again), an sprayer 24 is connected below a load board of the second mechanical arm unit 10 (for example, a wired sprayer 24 with a model WLY-H03 is directly used), an opening unit 25 is further provided on a side of a switch trigger of the sprayer 24, and a more specific structure of the opening unit 25 is as follows.

The opening unit 25 includes an electric telescopic cylinder 2501 (for example, an electric telescopic rod of the type TJC-C1-series is directly used), a pressing plate 2502 is connected to a telescopic shaft of the electric telescopic cylinder 2501, and one side surface of the pressing plate 2502 is opposite to the switch trigger; a fixed mount is mounted on the outer surface of the electric telescopic cylinder 2501, and the other end of the fixed mount is connected with a load plate of the second mechanical arm unit 10. When spraying is needed, the electric telescopic cylinder 2501 is started, the telescopic shaft of the electric telescopic cylinder 2501 drives the pressing plate 2502 to press the switch trigger, and the spray paint is sprayed out of the nozzle of the spraying machine 24, so that the inner surface of the crucible 7 is sprayed; with further reference to fig. 14, a water pump 26 is installed at the bottom of the spray can of the sprayer 24, a water inlet of the water pump 26 is communicated with an inner cavity of the spray can, a water outlet of the water pump 26 is connected with a soft guide pipe 27 (for example, a pu plastic hose can be directly used), and the other end of the guide pipe 27 is connected with the sprayer 24.

The watering can is arranged on the sliding table of the second mechanical arm unit 10; the watering can is also provided with a stirring unit 28, and the stirring unit 28 has the following more specific structure.

Referring to fig. 14-15, fig. 14 shows a first perspective assembled structural schematic view of the stirring unit 28, fig. 15 shows a second perspective assembled structural schematic view of the stirring unit 28, and as can be seen in fig. 14 and 15, the stirring unit 28 includes a driving shaft 2801, and the driving shaft 2801 is rotatably connected to a lid of a watering can; one end of the driving shaft 2801, which is arranged above the watering can cover, is connected with a driving gear 2802, a first driven gear 2803 is arranged on one side of the driving gear 2802, and the first driven gear 2803 is meshed with and linked with the driving gear 2802; the driven gear is concentrically connected with an output shaft of a servo motor, and the servo motor is fixed on a kettle cover of the watering can.

A stirring shaft 2804 is rotatably connected to a flange on the side wall of the other end of the driving shaft 2801, which is arranged below the spray can cover, and a net-shaped stirring head 2805 is connected below the stirring shaft 2804 (the net-shaped stirring head is arranged to be more convenient for scattering and stirring spray paint); the second driven gear 2806 is connected to the top of (mixing) shaft 2804, and the (mixing) shaft 2804 outside, watering can lid below are equipped with the ring gear 2807, and ring gear 2807 passes through the round pin axle to be fixed in watering can lid below, and ring gear 2807 meshes and links with second driven gear 2806.

The stirring unit 28 operates as follows: first, with continued reference to fig. 15, the servo motor is started, and drives the first driven gear 2803 to rotate along the f1, the first driven gear is meshed with the linkage driving gear 2802, and the driving shaft 2801 rotates along the f2 direction; then, with continued reference to fig. 14, when the driving shaft 2801 rotates, the stirring shaft 2804 and the mesh stirring head 2805 are driven to perform revolution motion in the f2 direction with the driving shaft 2801 as the center, and at the same time, under the meshing and linkage action of the toothed ring 2807 and the second driven gear 2806, the stirring shaft 2804 and the mesh stirring head 2805 perform autorotation motion in the f3 direction; the stirring shaft 2804 and the mesh stirring head 2805 realize full stirring and mixing of the spray paint in the process of synchronous revolution and rotation.

The whole working mode of the spraying assembly is as follows: firstly, when the second mechanical arm unit 10 adjusts the nozzle of the spraying machine 24 to be opposite to the position to be sprayed of the inner wall of the crucible 7, starting the spraying machine 24, and performing spraying operation on the inner wall of the crucible 7 through the spraying machine 24; then, when the alumina spray paint in the spraying machine 24 is insufficient, the alumina spray paint in the spraying pot is stirred and mixed by the stirring unit 28, and then the alumina spray paint uniformly stirred in the spraying pot is pumped into the spraying machine 24 by the water suction pump 26, and the spraying machine 24 continues to spray the inner wall of the crucible 7.

Claims (4)

1. The utility model provides a crucible spraying device that polishes which characterized in that: the device comprises a polishing mechanism for polishing the inner wall of a crucible (7) and an alumina spraying mechanism for spraying the crucible; the polishing mechanism comprises a chassis (1), a pipe sleeve (2) is connected to the chassis (1) in a switching mode, and a supporting disc (3) is connected to the pipe sleeve (2); at least two electric pushing bars (4) are arranged on the annular array on the supporting disc (3), and the telescopic shaft of each electric pushing bar (4) is connected with polishing sleeves (5) made of different materials; the electric pushing bar (4) is used for lifting the polishing sleeve (5) and enabling the polishing sleeve (5) to form clearance fit with the inner wall of the crucible (7); a lifting rotator (6) for carrying the crucible (7) is connected to the chassis (1), and a driving motor makes the lifting rotator (6) rotate on the chassis (1); the pipe sleeve (2) is connected with a driving mechanism, and the driving mechanism is used for driving the pipe sleeve (2) to rotate or locking the pipe sleeve (2) on the chassis (1); at least one transverse rail (8) is arranged at the side of the polishing mechanism, and the transverse rail (8) is connected with the placing mechanism in a sliding way; the placing mechanism comprises a first mechanical arm unit (9), wherein the first mechanical arm unit (9) is overturned in three directions through a first overturning motor, a second overturning motor and a third overturning motor, and the first mechanical arm unit (9) is rotated in two directions through a first rotating motor and a second rotating motor; the first load disc (908) of the first mechanical arm unit (9) is connected with the holding unit (11), and the holding unit (11) is driven by the driving structure to perform the action of holding the crucible (7) or the action of loosening the crucible (7); the placing mechanism moves on the transverse rail (8) through the first pushing mechanism; the driving mechanism comprises a rotating unit (12), a pushing unit (13) is arranged on one side of the rotating unit (12) and the chassis (1), and a driving unit (14) is connected to the pipe sleeve (2); every time the notch wheel disc (1402) of the driving unit (14) rotates for one circle, the second wedge block (1301) of the pushing unit (13) props against the first wedge block (1203) corresponding to the rotating unit (12) to finish single upward movement, and the driven bevel gear (1202) corresponding to the first wedge block (1203) contacts with the driving bevel gear (1201); the rotating unit (12) comprises a drive bevel gear (1201), a pin shaft is connected to the center of the drive bevel gear (1201), the pin shaft penetrates through the pipe sleeve (2) and is connected with the chassis (1) and an output shaft of a driving source in the pipe sleeve (2), and the driving source is used for driving the pin shaft to rotate; the outer surface of the electric pushing rod (4) is sleeved with a driven bevel gear (1202), and the driving bevel gear (1201) is in meshed connection with the driven bevel gear (1202); the bottom of the electric pushing rod (4) is connected with a flange, the flange is rotationally connected with the supporting disc (3), and the other end of the flange is arranged below the supporting disc (3); an elastic part is movably sleeved on the flange; when the elastic part is in a natural state, the driven bevel gear (1202) is positioned below the drive bevel gear (1201) and is out of contact with the drive bevel gear (1201); a first wedge block (1203) is connected to a flange arranged below the supporting disc (3), one side of the first wedge block (1203) and the upper surface of the chassis (1) are provided with a pushing unit (13), the pushing unit (13) comprises a second wedge block (1301), a reinforcing rib (1302) is connected to the second wedge block (1301), and the other end of the reinforcing rib (1302) is connected to the chassis (1); the pipe sleeve (2) is connected with a driving unit (14); the driving unit (14) comprises a four-claw wheel disc (1401), wherein arc grooves are respectively formed in four claw parts of the four-claw wheel disc (1401), and open grooves are formed between two adjacent claw parts; one side of the four-claw wheel disc (1401) is provided with a notch wheel disc (1402), the center of the notch wheel disc (1402) is provided with a central shaft (1403), the other end of the central shaft (1403) is in rotary connection with a bearing frame (1404), and the bearing frame (1404) is fixedly connected to the chassis (1); the center of a gap of the gap wheel disc (1402) is connected with a poking rod body (1405), a protruding part is formed at the free end of the poking rod body (1405), the protruding part of the poking rod body (1405) can form sliding fit with an opening groove of the four-claw wheel disc (1401), and the outer edge of the gap wheel disc (1402) is in sliding fit with an arc groove of the four-claw wheel disc (1401); the alumina spraying mechanism comprises a bearing dust removal component; the bearing dust removing assembly is used for collecting dust particles generated in the spraying process, and limiting the position of the crucible (7) through the bearing dust removing assembly and the placing mechanism; the air outlet of a dust removal fan (22) carrying the dust removal assembly is connected with purifying equipment, the other end of the transverse rail (8) and one side carrying the dust removal assembly are provided with a longitudinal rail (23), and the longitudinal rail (23) is connected with a spraying assembly which is used for spraying the inner wall of the crucible (7) in a sliding manner; one side of the spraying component is connected with a second pushing mechanism, and the spraying component moves on the longitudinal rail (23) through the second pushing mechanism; the bearing dust removal assembly comprises a dust removal bin body (16), an inflow pipeline (17) is connected to the dust removal bin body (16), a steering nozzle (18) is connected to a free port of the inflow pipeline (17), and an inner cavity of the steering nozzle (18) is communicated with the inflow pipeline (17); the bottom of the inflow pipeline (17) is connected with a supporting leg (19), and the opening of the steering nozzle (18) rotates and is communicated with a diversion nozzle (20); the other end of the guide nozzle (20) is connected with a positioning ring body (21), the guide nozzle (20) is communicated with the inner cavity of the positioning ring body (21), and the positioning ring body (21) is used for being matched with the crucible (7); a dust removal fan (22) is arranged on the dust removal bin body (16); the spraying assembly comprises a second mechanical arm unit (10), a spraying machine (24) is connected below a second load disc of the second mechanical arm unit (10), an opening unit (25) is arranged on one side of a switch trigger of the spraying machine (24), and the opening unit (25) is used for pressing or keeping away from the switch trigger; a water suction pump (26) is arranged at the bottom of a spray can of the spraying machine (24), a water inlet of the water suction pump (26) is communicated with an inner cavity of the spray can, a water outlet of the water suction pump (26) is connected with a soft guide pipe (27), the other end of the guide pipe (27) is connected with the spraying machine (24), and the spray can is connected with a sliding table of the second mechanical arm unit (10); the watering can is provided with a stirring unit (28); the stirring unit (28) comprises a driving shaft (2801), and the driving shaft (2801) is rotationally connected to a kettle cover of the watering can; one end of a driving shaft (2801) arranged above the watering can cover is connected with a driving gear (2802), one side of the driving gear (2802) is provided with a first driven gear (2803), and the first driven gear (2803) is meshed with and linked with the driving gear (2802); the first driven gear is concentrically connected with an output shaft of a servo motor, and the servo motor is fixed on a kettle cover of the watering can; a stirring shaft (2804) is rotatably connected to a flange of the side wall of the other end below the watering can cover, and a reticular stirring head (2805) is connected below the stirring shaft (2804); the second driven gear (2806) is connected to the top of (2804), and (2804) outside, watering can lid below are equipped with ring gear (2807), and ring gear (2807) are fixed in watering can lid below through the round pin axle, and ring gear (2807) meshes and carries out the linkage with second driven gear (2806).

2. The crucible polishing and spraying device according to claim 1, wherein: the holding unit (11) comprises a suspension bracket (1101), and one end of the suspension bracket (1101) is connected with the first load disc (908); the novel hanging frame comprises a hanging frame body (1101), a driving structure is arranged on the hanging frame body (1101), the other end of the driving structure is connected with a first auxiliary rod body (1105), the first auxiliary rod body (1105) is connected with a main rod body (1106) in a switching mode, a second auxiliary rod body (1107) is connected with the rod body of the main rod body (1106) in a switching mode, the free end of the second auxiliary rod body (1107) is connected with the hanging frame (1101) in a nearby side in a switching mode, and the other end of the main rod body (1106) is connected with a hoop (1108).

3. The crucible polishing and spraying device according to claim 2, wherein: the driving structure comprises a motor (1102), the motor (1102) is arranged on the suspension bracket (1101), the output shaft of the motor (1102) is connected with a first worm (1103), one side of the first worm (1103) is connected with two mutually meshed first worm gears (1104) on the suspension bracket (1101), and the first worm (1103) is meshed with one of the first worm gears (1104) to form linkage; the first worm wheel (1104) is connected with a first auxiliary rod body (1105).

4. The crucible polishing and spraying device according to claim 1, wherein: an air inlet of the dust removing fan (22) is communicated with the dust removing bin body (16), and an air outlet of the dust removing fan (22) is connected with the purifying equipment.