CN213004428U

CN213004428U - Self-adaptive quartz crucible floating sand removing device with constant grinding pressure

Info

Publication number: CN213004428U
Application number: CN202021298664.8U
Authority: CN
Inventors: 周鼎军; 朱玮; 左立超
Original assignee: Tianjin Kdd Technology Co ltd
Current assignee: Tianjin Kdd Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-04-20
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a self-adaptive quartz crucible floating sand removing device with constant grinding pressure, which comprises a frame, a horizontal transmission mechanism arranged on the frame, vertical transmission mechanisms vertically arranged at two sides of the horizontal transmission mechanism, a straight wall surface grinding mechanism and an arc surface grinding mechanism which are arranged below the vertical transmission mechanisms relatively, and a controller; the straight wall surface grinding mechanism comprises a first grindstone component, a first self-adaptive adjusting structure and a plurality of first sensors, wherein the first grindstone component is attached to the outline of the straight wall surface of the crucible along the displacement track; the arc surface grinding mechanism comprises a second grindstone assembly, a second self-adaptive adjusting structure and a plurality of second sensors, wherein the displacement track of the second grindstone assembly is attached to the arc surface outline of the crucible; the transmission mechanism, the arc surface grinding mechanism and the straight wall surface grinding mechanism are electrically connected with the controller.

Description

Self-adaptive quartz crucible floating sand removing device with constant grinding pressure

Technical Field

The utility model belongs to the technical field of semiconductor production, especially, relate to a self-adaptation has quartz crucible who invariable grinding pressure concurrently to remove superficial sand device.

Background

The quartz crucible can be used below 1450 ℃, and is divided into transparent and opaque parts. Has the advantages of high purity, strong temperature resistance, large size, high precision, good heat preservation, energy conservation, stable quality and the like. The semi-transparent quartz crucible made by the arc method is an indispensable basic material for drawing large-diameter monocrystalline silicon and developing large-scale integrated circuits. Due to the continuous progress of the technology, the application range of the crucible is wider and wider, the size of the crucible is larger and larger, and nowadays, the developed countries of the semiconductor industry in the world replace the small-size vitreous silica crucible with the large-size crucible.

However, the outer surface of the blank crucible has floating sand, and at present, workers polish the floating sand on the surface manually, but because the crucible is large in size, the crucible needs to be polished and swung at the same time to remove all the floating sand on the surface of the crucible, the mass of the crucible is large at present, single carrying is insufficient, and manpower and cost are wasted due to manual polishing. Therefore, a full-automatic grinding stone floating sand removing device matched with the full-automatic crucible carrying device is urgently needed.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, the utility model aims at providing a self-adaptation has quartz crucible who invariable grinding pressure concurrently and removes superficial sand device, moreover, the steam generator is compact in structure, and reasonable in design, the grindstone abrasive surface that straight wall ground mechanism and arc surface ground mechanism adopts flexible laminating mode closely attached on straight wall of crucible and arc surface respectively all the time, do not receive the interference of defects such as the irregular unevenness of crucible outer wall, ensure to grind the effect of getting rid of superficial sand, the controller is real-time according to the feedback signal adjustment grindstone position of sensor, the pressure relatively invariable on the crucible surface is applyed to the grindstone, do not receive the interference of other key elements. Meanwhile, the arc surface grinding mechanism can automatically compensate the abrasion loss of the grinding stone, is automatically managed in the whole process, avoids complicated physical labor of workers and possible dangers, is simple to operate and control, high in working precision, low in energy consumption, high in production effect and good in safety performance, has no environmental pollution, can realize cost reduction and efficiency improvement of enterprises, accords with the modern production concept, and meets the requirement of industrial design.

In order to achieve the purpose, the utility model provides a self-adaptive quartz crucible floating sand removing device with constant grinding pressure, which comprises a frame, a transmission mechanism arranged on the frame and a controller; the transmission mechanism comprises a horizontal transmission mechanism and vertical transmission mechanisms vertically arranged on two sides of the horizontal transmission mechanism, and further comprises a straight wall surface grinding mechanism and an arc surface grinding mechanism which are oppositely arranged below the vertical transmission mechanisms.

Preferably, the straight wall surface grinding mechanism comprises a first grindstone component, a first self-adaptive adjusting structure and a plurality of first sensors, wherein the first grindstone component is attached to the outline of the straight wall surface of the crucible along the displacement track;

preferably, the circular arc surface grinding mechanism comprises a second grindstone assembly, a second self-adaptive adjusting structure and a plurality of second sensors, wherein the displacement track of the second grindstone assembly is attached to the circular arc surface profile of the crucible, the second self-adaptive adjusting structure is used for adjusting the rotation angle of the second grindstone assembly along the direction perpendicular to the rotation direction of the crucible, and the second sensors are used for monitoring the displacement track of the second grindstone assembly; the transmission mechanism, the arc surface grinding mechanism and the straight wall surface grinding mechanism are electrically connected with the controller;

preferably, the first self-adaptive adjusting structure comprises a balancing weight, a fixed pulley block and a rope, wherein the balancing weight moves up and down along the vertical direction, the rope sequentially bypasses the fixed pulley block, and two ends of the rope are respectively connected with the balancing weight and the first grinding stone component; the at least three first sensors are vertically arranged along the displacement track of the balancing weight;

preferably, the self-adaptive adjusting structure II comprises an adjusting plate and a sensor contact piece, one end of the adjusting plate is vertically hinged to a bottom plate of the vertical transmission mechanism, the sensor contact piece is arranged between the adjusting plate and the bottom plate of the vertical transmission mechanism, one side, close to the sensor contact piece, of the adjusting plate is sequentially provided with at least three sensor II along the rotating track of the adjusting plate, and when the adjusting plate rotates, the sensor contact piece sequentially enters the sensing range of the sensor II;

preferably, the second grinding stone component comprises a second grinding stone, a second grinding stone connecting splint, a connecting plate limiting groove in sliding fit with the second grinding stone connecting splint and an air cylinder which are sequentially connected, the air cylinder penetrates through the connecting plate limiting groove and is fixedly connected with a step screw which is arranged in a longitudinal sliding groove hole of the second grinding stone connecting splint, the cross section of the longitudinal sliding groove hole is in a T shape, the large ends of the step screw and the longitudinal sliding groove hole face the second grinding stone, and a calibration plate for compensating the abrasion loss of the grinding stone is arranged on a rack right below the second grinding stone;

preferably, the horizontal transmission mechanism comprises a first horizontal transmission mechanism and a second horizontal transmission mechanism which are transversely arranged on the horizontal fixing table side by side, the first horizontal transmission mechanism and the second horizontal transmission mechanism comprise a horizontal transmission belt and a first belt wheel for erecting the horizontal transmission belt, the first belt wheel is driven by a first motor, and the horizontal displacement stroke of the first horizontal transmission mechanism is smaller than that of the second horizontal transmission mechanism;

preferably, the vertical transmission mechanism in sliding fit with the horizontal transmission mechanism comprises a vertical transmission belt and a second belt wheel, wherein the vertical transmission belt is arranged on the vertical fixed table, the transmission direction of the vertical transmission belt is perpendicular to that of the horizontal transmission belt, the second belt wheel is used for erecting the vertical transmission belt, and the second belt wheel is driven by a second motor and is used for respectively driving the straight wall surface grinding mechanism and the arc surface grinding mechanism to move along the transmission direction of the vertical transmission belt;

preferably, the horizontal transmission of the horizontal transmission mechanism I and the horizontal transmission mechanism II is sequentially and fixedly connected with the vertical transmission belt of the vertical transmission mechanism through a first pressing plate, a connecting plate and a second pressing plate which are vertically arranged, and sliders respectively matched with the horizontal slide rail of the horizontal fixing table and the vertical slide rail on the vertical fixing table are arranged in front of and behind the connecting plate and used for driving the straight wall surface grinding mechanism and the arc surface grinding mechanism to move along the transmission direction of the horizontal transmission belt;

preferably, still include respectively with straight wall grinding mechanism and circular arc grinding mechanism matched with high pressure water washing unit, high pressure water washing unit is including the shower nozzle, outlet pipe and the header tank that connect gradually, the play water direction of shower nozzle is respectively towards the straight wall and the circular arc of crucible.

The utility model provides a pair of self-adaptation has quartz crucible who invariable grinding pressure concurrently and removes superficial sand device has following beneficial effect:

the utility model discloses effectively avoid the technical problem that grinding crucible surface inefficiency and with high costs that prior art exists, horizontal transmission mechanism through with controller electric connection, vertical transmission mechanism, straight wall face grinds mechanism and arc surface and grinds mechanism's cooperation, utilize controller control horizontal transmission mechanism and vertical transmission mechanism to make arc surface grind mechanism and straight wall surface grind the mechanism and adopt flexible laminating mode to make the rubble abrasive surface closely attached on the crucible face all the time, do not receive the interference of defects such as the irregular unevenness of crucible outer wall, ensure to grind the effect of getting rid of superficial sand, the while rubble is applyed the pressure relatively invariable on the crucible surface, do not receive the interference of other key elements. Compact structure, reasonable in design only needs to wait that the crucible of grinding is put on removing the carousel that floats sand device below, can realize the full-automatic grinding to the crucible surface, can directly replace the manual work to grind, and convenient to use accords with the modernization production theory, satisfies the industrial design requirement.

Drawings

Fig. 1 is the structure diagram of a quartz crucible float-removing device with self-adaptive constant grinding pressure.

Fig. 2 is a schematic structural view of the straight-wall grinding mechanism.

Fig. 3 is a schematic structural view of the circular arc surface grinding mechanism.

Fig. 4 is an enlarged view of a portion a of fig. 1.

Fig. 5 is an enlarged view of a portion B of fig. 1.

Fig. 6 is a horizontal sectional view taken along the direction C-C of fig. 1.

In the figure:

1. horizontal transmission mechanism I11, horizontal transmission belt 12, belt wheel I13, motor I14, press plate I2, horizontal transmission mechanism II 3, vertical transmission mechanism 31, vertical transmission belt 32, belt wheel II 33, motor II 34, press plate II 35, bottom plate 36, connecting plate 361, horizontal slider 362, vertical slider 4, straight wall grinding mechanism 41, counterweight 42, rope 43, fixed pulley block 44, grindstone I441, connecting plate limiting groove 45, limiting bolt 46, uppermost sensor I47, middle sensor I48, lowermost sensor I49, fixing plate 5, arc grinding mechanism 51, adjusting plate 511, limiting plate 52, grindstone connecting clamp plate 521, longitudinal sliding groove hole 53, connecting plate limiting groove 54, cylinder 541, piston rod 55, grindstone II 56, uppermost sensor II 57, middle sensor II 58, lowermost sensor II 59, sensing mechanism II The device contact 510, the step screw 6, the spray head fixing frame 7, the organ cover 8, the horizontal fixing table 9, the vertical fixing table 91 and the vertical sliding rail.

Detailed Description

The present invention will be further described with reference to the following specific embodiments and accompanying drawings to facilitate understanding of the present invention.

As shown in fig. 1-4, the device for removing floating sand from a quartz crucible, which is adaptive and has constant grinding pressure, provided by the present invention comprises a frame, a transmission mechanism arranged on the frame, and a controller; the transmission mechanism comprises a horizontal transmission mechanism connected with the frame through a horizontal fixed platform 8 and vertical transmission mechanisms 3 vertically arranged at two sides of the horizontal transmission mechanism; the device also comprises a straight wall surface grinding mechanism 4 and an arc surface grinding mechanism 5 which are oppositely arranged below the vertical transmission mechanism 3, an organ cover 7 which covers the vertical transmission mechanism 3 and a high-pressure water flushing device which is respectively matched with the straight wall surface grinding mechanism 4 and the arc surface grinding mechanism 5; the transmission mechanism, the arc surface grinding mechanism 5 and the straight wall surface grinding mechanism 4 are electrically connected with the controller.

High pressure water washing unit is including the shower nozzle, outlet pipe and the header tank that connect gradually, and the shower nozzle is fixed on shower nozzle mount 6, and the play water direction of shower nozzle is towards the abrasive surface of crucible, sprays high-pressure liquid through the shower nozzle and washes the piece that grinds the production on attaching to the crucible surface, has increased the difficult suspension of piece weight in the air simultaneously, improves grinding efficiency, makes the grinding effect more stable. The organ covers 7 are respectively arranged below the first horizontal conveying mechanism 1 and the second horizontal conveying mechanism 2 and are used for preventing chips generated by grinding the crucible from splashing into the first horizontal conveying mechanism 1 and the second horizontal conveying mechanism 2 and prolonging the service life of the horizontal conveying mechanisms.

The horizontal transmission mechanism comprises a first horizontal transmission mechanism 1 and a second horizontal transmission mechanism 2 which are transversely arranged on the horizontal fixing platform 8 side by side, the first horizontal transmission mechanism 1 comprises a horizontal transmission belt 11 and a first belt wheel 12 used for erecting the horizontal transmission belt 11, the first belt wheel 12 is driven by a first motor 13, and the structure of the second horizontal transmission mechanism 2 is the same as that of the first horizontal transmission mechanism 1. The vertical transmission mechanism 3 comprises a vertical transmission belt 31 which is arranged on the vertical fixing table 9 and the transmission direction of which is vertical to the transmission direction of the horizontal transmission belt, and a second belt wheel 32 for erecting the vertical transmission belt 31, wherein the second belt wheel 32 is driven by a second motor 33 and is used for driving the straight wall surface grinding mechanism 4 and the arc surface grinding mechanism 5 to move along the transmission direction of the vertical transmission belt 31.

As shown in fig. 4, the horizontal conveyor belts of the first horizontal conveying mechanism 1 and the second horizontal conveying mechanism 2 sequentially pass through the first pressing plate 14, the connecting plate 36 and the second pressing plate 34 to be respectively and fixedly connected with the vertical conveyor belt 31 of the vertical conveying mechanism 3, and the front and the back of the connecting plate 36 are provided with a horizontal slider 361 and a vertical slider 362 which are respectively matched with the horizontal slide rail of the horizontal fixing table 8 and the vertical slide rail 91 of the vertical fixing table 9 and are used for driving the straight wall surface grinding mechanism 4 and the arc surface grinding mechanism 5 to move along the transmission direction of the horizontal conveyor belts, wherein the horizontal displacement stroke of the first horizontal conveying mechanism 1 is smaller than that of the second horizontal conveying mechanism 2, that is, the horizontal displacement stroke of the straight wall surface grinding mechanism 4 is smaller than that of the arc surface grinding mechanism 5. The first pressing plate 14 and the second pressing plate 34 comprise an upper pressing plate and a lower pressing plate, the widths of the upper pressing plate and the lower pressing plate are larger than the width of the conveyor belt, the upper pressing plate, the horizontal conveyor belt/vertical conveyor belt 31 and the lower pressing plate are sequentially pressed from top to bottom, and the parts of the upper pressing plate and the lower pressing plate, which exceed the horizontal conveyor belt/vertical conveyor belt 31, are fixed with each other.

As shown in fig. 2, the straight wall grinding mechanism 4 includes a first grindstone assembly having a displacement trajectory fitted to the contour of the straight wall of the crucible, a first adaptive adjustment structure for adjusting the rotation angle of the first grindstone assembly in the direction of rotation of the crucible, and a plurality of first sensors for monitoring the displacement trajectory of the first grindstone assembly. The first self-adaptive adjusting structure comprises a fixed plate 49 vertically arranged on the bottom plate 35, a balancing weight 41 capable of moving up and down along a vertical sliding rail on the fixed plate 49, a fixed pulley block 43 arranged on the fixed plate 49 and a rope 42 sequentially bypassing the fixed pulley block 43 and having two ends respectively connected with the balancing weight 41 and the connecting plate limiting groove 441; the first sensors are vertically arranged on the fixing plate 49 along the displacement track of the balancing weight 41, the horizontal transmission mechanism 1 and the vertical transmission mechanism 3 are controlled by the controller to adjust the position of the straight wall grinding mechanism 4 until the straight wall grinding mechanism contacts the straight wall of the crucible, the straight wall of the crucible rotates along the rotation direction of the crucible under the action force generated by the first grindstone 44, the balancing weight 41 is driven by the rope 42 to slide up and down to sequentially enter the sensing ranges of the first sensors, and the first sensors feed back signals to the controller for real-time monitoring and adjust the grinding state of the first grindstone 44 according to requirements. And limiting bolts 45 for limiting the displacement stroke of the balancing weight 41 are arranged below the first lowest end sensor 48 and above the first highest end sensor 46.

And (3) grinding the straight wall surface of the crucible: the controller controls the horizontal transmission mechanism I1 and the vertical transmission mechanism 3 to drive the straight wall surface grinding mechanism 4 to contact the straight wall surface of the crucible, and when the balancing weight 41 is separated from the sensing range of the lowest end sensor I48, the grinding stone I44 of the grinding stone assembly I is in contact with the straight wall surface of the crucible; when the balancing weight 41 enters the sensing range of the first middle sensor 47, the first grindstone 44 grinds along the radius direction of the crucible, and at the moment, the straight wall surface grinding mechanism 4 is in a normal grinding state; when the weight block 41 enters the sensing range of the uppermost sensor I46, the grinding reaches the maximum amount, the grinding of the grinding stone I44 is stopped, the horizontal transmission mechanism is controlled by the controller to adjust the position of the grinding stone assembly until the grinding surface of the grinding stone I44 is in contact with the straight wall surface of the crucible again and returns to the normal grinding state, namely, the weight block 41 enters the sensing range of the middle sensor I47 again. Meanwhile, the first lowest sensor 48 has the function of sensing whether the rope 42 is broken, and if the rope 42 is broken, the counterweight block 41 is always in the sensing range of the first lowest sensor 48. The straight wall surface grinding mechanism 4 can adjust the grinding state of the grinding stone 44 at any time according to the positions of the balancing weights 41 detected by the sensors at different positions.

As shown in fig. 3 and 5, the arc surface grinding mechanism 5 includes a second grindstone assembly with a displacement track fitted to the arc surface profile of the crucible, a second adaptive adjustment structure for adjusting the rotation angle of the second grindstone 55 in the direction perpendicular to the rotation direction of the crucible, and a second plurality of sensors for monitoring the displacement track of the second grindstone 55; the adaptive adjustment structure two includes an adjustment plate 51, a limit plate 511, and a sensor contact 59. One end of the adjusting plate 51 close to the crucible is hinged with the bottom plate 35, one end of the adjusting plate 51 far away from the crucible is movably connected with the bottom plate 35 through a limiting plate 511, and the limiting plate 511 is provided with a limiting hole for limiting the rotating angle of the adjusting plate 51. The sensor contact piece 59 is arranged between the adjusting plate 51 and the bottom plate 35 of the vertical transmission mechanism 3, and at least three sensors II are sequentially arranged on one side, close to the sensor contact piece 59, of the adjusting plate 51 along the rotating track of the adjusting plate. The horizontal transmission mechanism II 2 and the vertical transmission mechanism 3 are controlled by the controller to adjust the position of the arc surface grinding mechanism 5 until the arc surface is contacted with the crucible, the arc surface of the crucible drives the second grindstone assembly to rotate along the direction perpendicular to the rotation direction of the crucible under the action of the arc surface of the crucible on the adjusting plate 51, the sensor contact piece 59 sequentially enters the sensing ranges of the second different sensors on the adjusting plate 51, and the second sensor sequentially feeds signals back to the controller for real-time monitoring and adjusts the grinding state of the second grindstone 55 according to requirements.

And (3) grinding the arc surface of the crucible: the horizontal transmission mechanism II 2 and the vertical transmission mechanism 3 are controlled by the controller to drive the arc surface grinding mechanism 5 to contact the arc surface of the crucible, and when the sensor contact piece 59 enters the sensing range of the uppermost sensor II 56, the grinding stone II 55 starts to grind along the radius direction of the crucible, namely the horizontal direction; the horizontal transmission mechanism II 2 drives the arc surface grinding mechanism 5 to continuously move towards the arc surface close to the crucible, the grinding stone II 55 continuously rotates until the sensor contact piece 59 enters the sensing range of the middle sensor II 57, and at the moment, the grinding reaches the maximum amount and stops grinding; the controller controls the second horizontal transmission mechanism 2 to drive the arc surface grinding mechanism 5 to continuously move towards the direction close to the crucible, the second grinding stone 55 continuously rotates until the sensor contact piece 59 enters the sensing range of the second sensor 58 at the lowest end, and the controller controls the second horizontal transmission mechanism 2 and the vertical transmission mechanism 3 to drive the grinding stone to grind along the vertical direction of the arc surface outline of the crucible.

The first sensor and the second sensor are both proximity sensors, the proximity sensor is a device capable of sensing the proximity of an object, the proximity of the object is identified by utilizing the sensitivity of the sensors to the approaching object, corresponding switch signals are output, the first sensor and the second sensor detect the approaching of the balancing weight 41 and the sensor contact plate 59 and whether nearby detection objects exist or not in a non-contact mode respectively, the movement and existence information of the balancing weight 41 and the sensor contact plate 59 are detected and converted into electric signals to be transmitted to the controller, and the controller adjusts the positions of the straight wall surface grinding mechanism 4 and the arc surface grinding mechanism 5 in real time through controlling the transmission mechanism.

As shown in fig. 6, the second grinding stone assembly includes a second grinding stone 55, a second grinding stone connecting clamp plate 52, a connecting plate limiting groove 53 in sliding fit with the second grinding stone connecting clamp plate 52, and an air cylinder 54 electrically connected with the controller, the second grinding stone 55 is clamped and fixed on the second grinding stone connecting clamp plate 52, the air cylinder 54 penetrates through the connecting plate limiting groove 53 and is fixedly connected with a step screw 510, a piston rod 541 of the air cylinder 54 is in threaded connection with the step screw 510, the step screw 510 is installed in a longitudinal slotted hole 521 of the second grinding stone connecting clamp plate 52, the cross section of the longitudinal slotted hole 521 is in a T shape, the large ends of the step screw 510 and the longitudinal slotted hole 521 face the second grinding stone 55, and a calibration plate for compensating for the wear amount of the grinding stones is arranged on a machine frame right below the second grinding. After the arc surface grinding mechanism 5 finishes grinding the crucible each time, the horizontal transmission mechanism 2 and the vertical transmission mechanism 3 drive the arc surface grinding mechanism 5 to return to the original position, and then the automatic compensation action of the grinding stone II 55 is executed.

The action process of automatically compensating the abrasion loss of the second grinding stone 55 comprises the following steps: the controller controls the piston rod 541 of the cylinder 54 to extend to drive the step screw 510 to partially or completely separate from the longitudinal sliding slot hole 521, the grinding stone connecting clamp plate 52 drives the second grinding stone 55 to slide downwards along the connecting plate limiting slot 53 under the action of gravity until the step screw 510 contacts with the upper end of the longitudinal sliding slot hole 521, and at the moment, the grinding stone connecting clamp plate 52 reaches the lower limit position. Then, the vertical transmission mechanism 3 drives the arc surface grinding mechanism 5 to move downwards for a preset displacement distance, and when the path is at a certain height, the second grinding stone 55 is in contact with the calibration plate. Then, the vertical transmission mechanism 3 continues to move downwards, at this time, the second grinding stone 55 is not moved, the step screw 510 slides downwards along the longitudinal sliding groove hole 521 of the second grinding stone connecting clamp plate 52, until the vertical transmission mechanism 3 moves to a preset displacement distance, the controller controls the piston rod 541 of the air cylinder 54 to contract, the step screw 510 is driven to return to the longitudinal sliding groove hole 521 and is pressed against the second grinding stone connecting clamp plate 52, the second grinding stone connecting clamp plate 52 and the connecting plate limiting groove 53 are kept relatively static by friction force, and therefore the abrasion loss of the second grinding stone 55 is automatically compensated. And after the automatic compensation action is finished, the vertical transmission mechanism 3 drives the arc surface grinding mechanism 5 to return to the original point position to wait for grinding of the next crucible.

The utility model has the advantages of compact structure, reasonable in design, the grindstone abrasive surface that mechanism 4 and arc surface grinding mechanism 5 were ground to straight wall face adopts flexible laminating mode closely attached all the time on straight wall face of crucible and arc surface respectively, does not receive the interference of defects such as the irregular unevenness of crucible outer wall, ensures to grind the effect of getting rid of superficial sand, and the controller is real-time according to the feedback signal adjustment grindstone position of sensor, and the pressure relatively invariable on the crucible surface is applyed to the grindstone, does not receive the interference of other key elements. Meanwhile, the arc surface grinding mechanism 5 can automatically compensate the abrasion loss of the grinding stone, is automatically managed in the whole process, avoids the complicated physical labor of workers and the danger which may occur, is simple to operate and control, has the characteristics of high working precision, low energy consumption, high production effect and good safety performance, has no environmental pollution, and can realize cost reduction and efficiency improvement of enterprises.

The present invention has been described in detail with reference to specific embodiments, and the description of the embodiments is only for the purpose of helping understanding the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. A self-adaptive quartz crucible floating sand removing device with constant grinding pressure comprises a rack, a transmission mechanism arranged on the rack and a controller; the conveying mechanism comprises a horizontal conveying mechanism, vertical conveying mechanisms vertically arranged on two sides of the horizontal conveying mechanism, and a straight wall surface grinding mechanism and an arc surface grinding mechanism which are oppositely arranged below the vertical conveying mechanisms.

2. The quartz crucible floating sand removing device with the self-adaption constant grinding pressure as claimed in claim 1, wherein the straight wall surface grinding mechanism comprises a first grinding stone component with a displacement track fitting with the straight wall surface contour of the crucible, a first self-adaption adjusting structure for adjusting the rotation angle of the first grinding stone component along the rotation direction of the crucible, and a plurality of first sensors for monitoring the displacement track of the first grinding stone component.

3. The quartz crucible floating sand removing device with the self-adaption constant grinding pressure as claimed in claim 1, wherein the circular arc surface grinding mechanism comprises a second grinding wheel component, a second self-adaption adjusting structure and a plurality of second sensors, wherein the second grinding wheel component is attached to the circular arc surface contour of the crucible along a displacement track; the transmission mechanism, the arc surface grinding mechanism and the straight wall surface grinding mechanism are all electrically connected with the controller.

4. The adaptive quartz crucible floating sand removing device with constant grinding pressure as claimed in claim 2, wherein the adaptive adjusting structure one comprises a counterweight block moving up and down along the vertical direction, a fixed pulley block and a rope sequentially passing around the fixed pulley block and having two ends respectively connected with the counterweight block and the first grinding stone component; and at least three first sensors are vertically arranged along the displacement track of the balancing weight.

5. The self-adaptive quartz crucible floating sand removing device with constant grinding pressure as claimed in claim 3, wherein the self-adaptive adjusting structure two comprises an adjusting plate with one end vertically hinged to the bottom plate of the vertical transmission mechanism and a sensor contact plate arranged between the adjusting plate and the bottom plate of the vertical transmission mechanism, one side of the adjusting plate close to the sensor contact plate is sequentially provided with at least three sensors two along the rotating track of the adjusting plate, and when the adjusting plate rotates, the sensor contact plate sequentially enters the sensing range of the sensors two.

6. The quartz crucible that has invariable grinding pressure of a self-adaptation concurrently removes superficial sand device of claim 3, characterized in that, grindstone subassembly two includes grindstone two, grindstone splint, with grindstone splint sliding fit's connecting plate spacing groove and cylinder that connect gradually, grindstone two is pressed from both sides tightly to be fixed on grindstone splint, the cylinder runs through connecting plate spacing groove and installs the step screw fixed connection in the vertical spout downthehole of grindstone splint, the cross section of vertical spout hole is the T shape, the big head end of step screw and vertical spout hole all faces grindstone two, be equipped with the calibration board that uses when compensating the grindstone wearing and tearing volume in the frame under the grindstone two.

7. The self-adaptive quartz crucible floating sand removing device with constant grinding pressure as claimed in claim 1, wherein the horizontal transmission mechanism comprises a first horizontal transmission mechanism and a second horizontal transmission mechanism which are transversely arranged on the horizontal fixing table side by side, the first horizontal transmission mechanism and the second horizontal transmission mechanism comprise a first horizontal transmission belt and a first belt wheel for erecting the first horizontal transmission belt, the first belt wheel is driven by a first motor, and the horizontal displacement stroke of the first horizontal transmission mechanism is smaller than that of the second horizontal transmission mechanism.

8. The self-adaptive quartz crucible floating sand removing device with constant grinding pressure as claimed in claim 1, wherein the vertical transmission mechanism in sliding fit with the horizontal transmission mechanism comprises a vertical transmission belt and a second belt wheel, wherein the vertical transmission belt is arranged on the vertical fixed table and has a transmission direction perpendicular to that of the horizontal transmission belt, the second belt wheel is used for erecting the vertical transmission belt, and the second belt wheel is driven by a second motor and is used for respectively driving the straight wall grinding mechanism and the circular arc grinding mechanism to move along the transmission direction of the vertical transmission belt.

9. The self-adaptive quartz crucible floating sand removing device with constant grinding pressure as claimed in claim 7 or 8, wherein the horizontal transmission of the horizontal transmission mechanism I and the horizontal transmission mechanism II sequentially passes through the pressing plate I, the connecting plate and the pressing plate II which are vertically arranged and are fixedly connected with the vertical transmission belt of the vertical transmission mechanism respectively, and the front and the back of the connecting plate are respectively provided with a sliding block which is matched with the horizontal sliding rail of the horizontal fixing table and the vertical sliding rail of the vertical fixing table and is used for driving the straight wall grinding mechanism and the arc grinding mechanism to move along the transmission direction of the horizontal transmission belt.

10. The self-adaptive quartz crucible floating sand removing device with constant grinding pressure as claimed in claim 1, further comprising a high-pressure water flushing device respectively matched with the straight wall surface grinding mechanism and the circular arc surface grinding mechanism, wherein the high-pressure water flushing device comprises a spray head, a water outlet pipe and a water collecting tank which are sequentially connected, and the water outlet direction of the spray head respectively faces to the straight wall surface and the circular arc surface of the crucible.