CN216911385U

CN216911385U - Inner wall cleaning device for crystal annealing furnace

Info

Publication number: CN216911385U
Application number: CN202123281514.3U
Authority: CN
Inventors: 杨建春
Original assignee: Shanghai Yibo Photoelectric Technology Co ltd
Current assignee: Shanghai Yibo Photoelectric Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-08
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a cleaning device for the inner wall of a crystal annealing furnace, which comprises a furnace body, wherein two supporting plates are arranged on the upper inner wall and the lower inner wall close to an opening of the furnace body, four screw rods are arranged between the two supporting plates and the furnace body in a penetrating manner, movable blocks are arranged on the four screw rods, scrapers are arranged between the movable blocks through pin shafts, limiting columns are connected to the side walls of the scrapers, first driven belt pulleys are arranged at the ends of the two screw rods close to the top of the furnace body, second driven belt pulleys are arranged at the ends of the two screw rods close to the bottom of the furnace body, a motor is arranged at the top of the furnace body close to one side of the second driven belt pulleys, the end of an output shaft of the motor is connected with a rotating shaft, and a driving belt pulley is arranged at the end of the rotating shaft. This crystal annealing stove inner wall cleaning device, degree of mechanization is high, and the attached impurity on the effective timely clean crystal annealing stove inner wall guarantees the temperature control of crystal annealing stove inner wall, and then improves crystal annealing quality, guarantees the crystal quality.

Description

Inner wall cleaning device for crystal annealing furnace

Technical Field

The utility model relates to the technical field of crystal annealing furnaces, in particular to a crystal annealing furnace inner wall cleaning device.

Background

Along with the continuous development of the society, the requirements of people on substances are more and more strict, for example, the requirements on the size and performance parameters of a crystal material, the defects of internal stress, vacancies and the like are inevitably generated in the crystal due to the influence of growth gradient in the growth process of the large crystal, the annealing is carried out on the crystal, the internal stress caused in the crystal growth process can be reduced, meanwhile, part of impurities are uniformly distributed in the crystal, and the microdefects such as the vacancies are reduced, so that the annealing equipment and the annealing process of the large-quality crystal have great influence on the crystal performance.

Traditional crystal annealing stove is mostly square, and uses the back for a long time, can adhere to on the crystal annealing stove inner wall and have impurity, if not in time clearance, the inside temperature of crystal annealing stove can't obtain accurate control, influences the annealing process of crystal, and then leads to crystal quality to descend, influences the quality of crystal. Therefore, we propose a cleaning device for the inner wall of a crystal annealing furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crystal annealing furnace inner wall cleaning device to solve the problems in the background technology.

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

the utility model provides a crystal annealing stove inner wall cleaning device, includes the furnace body, is close to be equipped with two backup pads on the upper and lower inner wall of furnace body open-ended, two run through between backup pad and the furnace body and be equipped with four lead screws, four all install the movable block on the lead screw, be equipped with the scraper through the round pin axle between the movable block, be connected with spacing post on the scraper lateral wall, be close to two lead screw ends at furnace body top all are equipped with first driven pulley, are close to second driven pulley is all installed to two lead screw ends of furnace body bottom, are close to the furnace body top of second driven pulley one side is equipped with the motor, the output shaft end of motor is connected with the axis of rotation, the driving pulley is installed to the axis of rotation end, be connected with the belt between driving pulley and first driven pulley, the second driven pulley respectively.

Preferably, the number of the scrapers is four, and the scrapers are attached to the four inner walls.

Preferably, the first driven pulley, the second driven pulley and the driving pulley are externally covered with a protective shell.

Preferably, a sealing door is arranged on the side wall close to the opening of the furnace body.

Preferably, ball bearings are arranged at the connecting positions between the screw rod and the furnace body.

Preferably, four corners of the bottom of the furnace body are provided with four foot pads.

Compared with the prior art, the utility model has the beneficial effects that: this crystal annealing furnace inner wall cleaning device, through setting up the lead screw, the movable block, the scraper, first driven pulley, the second driven pulley, including a motor, an end cap, a controller, and a cover plate, the belt, can be rotatory through motor drive pulley, the rethread belt reaches first driven pulley respectively, the second driven pulley is rotatory, and then through first driven pulley, the second driven pulley drives the lead screw rotation respectively, the rethread lead screw drives the movable block and gos forward, and then it gos forward to drive the scraper through the movable block, and then reach the effect of striking off adnexed impurity on the annealing furnace inner wall, make this crystal annealing furnace inner wall cleaning device, degree of mechanization is high, adnexed impurity on the clean crystal annealing furnace inner wall that can be effectively timely, guarantee the temperature control of crystal annealing furnace inner wall, and then improve crystal annealing quality, guarantee crystal quality.

Drawings

FIG. 1 is a front sectional view of a crystal annealing furnace according to the present invention;

FIG. 2 is a sectional top view of a crystal annealing furnace according to the present invention;

FIG. 3 is a side view of the structure of a cleaning device for the inner wall of a crystal annealing furnace according to the present invention;

FIG. 4 is an enlarged perspective view of a scraper structure of a cleaning device for an inner wall of a crystal annealing furnace according to the present invention.

In the figure: the furnace body 1, a supporting plate 2, a screw rod 3, a movable block 4, a pin shaft 5, a scraper 6, a limiting column 7, a first driven belt pulley 8, a second driven belt pulley 9, a motor 10, a rotating shaft 11, a driving belt pulley 12, a belt 13, a protective shell 14, a sealing door 15, a ball bearing 16 and a pad 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a crystal annealing furnace inner wall cleaning device comprises a furnace body 1, two supporting plates 2 are arranged on the upper inner wall and the lower inner wall close to an opening of the furnace body 1, the two supporting plates 2 are fixed on the inner wall of the furnace body 1 in a welding mode, the strength of the supporting plates 2 is ensured, the stability of the supporting plates 2 is increased, and the stability of the supporting plates 2 for supporting screw rods 3 is further improved, four screw rods 3 are arranged between the two supporting plates 2 and the furnace body 1 in a penetrating mode, movable blocks 4 are all arranged on the four screw rods 3, scrapers 6 are arranged between the movable blocks 4 through pin shafts 5, limiting columns 7 are connected on the side walls of the scrapers 6, the limiting columns 7 are fixed on the side walls of the scrapers 6 through a welding machine mode, and are ensured to be positioned on the back sides of the movable blocks 4, when the scrapers 6 advance, the limiting columns 7 can limit the scrapers 6 to turn over, and further ensure that the scrapers 6 are attached to the inner wall of the furnace body 1, when the scrapers 6 retreat, the scraper 6 can rotate around the pin 5 under the action of the pin 5, so that the scraper 6 is in a free rotation state, further avoiding the impurities attached inside the furnace body 1 from being scraped to the inside of the furnace body 1 when the scraper 6 moves backwards, wherein the ends of the two screw rods 3 close to the top of the furnace body 1 are both provided with a first driven belt pulley 8, the ends of the two screw rods 3 close to the bottom of the furnace body 1 are both provided with a second driven belt pulley 9, the top of the furnace body 1 close to one side of the second driven belt pulley 9 is provided with a motor 10, the motor 10 is a forward and reverse rotation speed reducing motor, the wiring end of the motor 10 is externally connected with a power supply and a control switch through a lead, the starting and stopping of the motor 10 are controlled by a control switch, the end head of an output shaft of the motor 10 is connected with a rotating shaft 11, the end head of the rotating shaft 11 is provided with a driving belt pulley 12, and a belt 13 is respectively connected between the driving belt pulley 12 and the first driven belt pulley 8 as well as between the driving belt pulley 9 and the second driven belt pulley 9;

specifically, after crystal annealing is completed, when the inner wall of the furnace body 1 needs to be cleaned, the motor 10 at the top of the furnace body 1 is started to rotate positively, the motor 10 drives the driving belt pulley 12 to rotate, the belt 13 drives the first driven belt pulley 8 and the second driven belt pulley 9 to rotate, the first driven belt pulley 8 and the second driven belt pulley 9 drive the lead screw 3 to rotate positively, the lead screw 3 drives the movable block 4 to advance, the scraper 6 is driven to advance on the inner wall of the furnace body 1 through the movable block 4, and then the attached impurities on the inner wall of the furnace body 1 are scraped through the scraper 6, after the inner attached impurities of the furnace body 1 are scraped and cleaned, the motor 10 is controlled to rotate reversely again, so that the scraper 6 is returned to the original position.

The working principle, this crystal annealing furnace inner wall cleaning device is in the in-process that uses: the external power supply of the device is connected, after crystal annealing is completed, when the inner wall of the furnace body 1 needs to be cleaned, the motor 10 at the top of the furnace body 1 is started to rotate positively, the motor 10 drives the driving belt pulley 12 to rotate, the belt 13 drives the first driven belt pulley 8 and the second driven belt pulley 9 to rotate, the first driven belt pulley 8 and the second driven belt pulley 9 drive the lead screw 3 to rotate positively, the lead screw 3 drives the movable block 4 to advance, the scraper 6 is driven to advance on the inner wall of the furnace body 1 through the movable block 4, and then the impurities attached to the inner wall of the furnace body 1 are scraped through the scraper 6, after the impurities attached to the inside of the furnace body 1 are scraped and cleaned, the motor 10 is controlled to rotate reversely, and then the scraper 6 is reversed and returned to the original position. The crystal annealing furnace inner wall cleaning device is high in mechanization degree, attached impurities on the inner wall of the crystal annealing furnace can be effectively and timely cleaned, the temperature control of the inner wall of the crystal annealing furnace is guaranteed, crystal annealing quality is further improved, and crystal quality is guaranteed.

Further, the number of the scrapers 6 is four, and the scrapers are attached to the four inner walls, so that the scrapers can scrape off impurities attached to the inner wall of the furnace body 1 completely.

Furthermore, the first driven pulley 8, the second driven pulley 9 and the driving pulley 12 are externally covered with a protective shell 14, and the safety of the belt 13, the first driven pulley 8, the second driven pulley 9 and the driving pulley 12 can be ensured through the protective shell 14.

Furthermore, a sealing door 15 is arranged on the side wall close to the opening of the furnace body 1, and the temperature control inside the furnace body 1 can be ensured through the sealing door 15, so that the crystal annealing quality inside the furnace body 1 is ensured.

Furthermore, the ball bearings 16 are arranged at the joints between the screw rod 3 and the furnace body 1, and the ball bearings 16 have small transmission resistance, so that the mutual abrasion between the screw rod 3 and the furnace body 1 can be effectively reduced, and the service lives of the screw rod 3 and the furnace body 1 can be further prolonged.

Furthermore, four corners of the bottom of the furnace body 1 are provided with four foot pads 17.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crystal annealing stove inner wall cleaning device, includes furnace body (1), its characterized in that: be close to be equipped with two backup pads (2) on furnace body (1) open-ended upper and lower inner wall, run through between two backup pads (2) and the furnace body (1) and be equipped with four lead screw (3), four all install movable block (4) on lead screw (3), be equipped with scraper (6) through round pin axle (5) between movable block (4), be connected with spacing post (7) on the scraper (6) lateral wall, be close to two lead screw (3) ends at furnace body (1) top all are equipped with first driven pulley (8), second driven pulley (9) are all installed to two lead screw (3) ends near furnace body (1) bottom, be close to furnace body (1) top of one side of second driven pulley (9) is equipped with motor (10), the output shaft end of motor (10) is connected with axis of rotation (11), driving pulley (12) are installed to axis of rotation (11) end, and a belt (13) is respectively connected between the driving belt pulley (12) and the first driven belt pulley (8) and between the driving belt pulley and the second driven belt pulley (9).

2. The crystal annealing furnace inner wall cleaning device according to claim 1, wherein: the number of the scrapers (6) is four, and the scrapers are attached to the four inner walls.

3. The crystal annealing furnace inner wall cleaning device according to claim 1, wherein: the first driven pulley (8), the second driven pulley (9) and the driving pulley (12) are externally covered with a protective shell (14).

4. The crystal annealing furnace inner wall cleaning device according to claim 1, wherein: and a sealing door (15) is arranged on the side wall close to the opening of the furnace body (1).

5. The crystal annealing furnace inner wall cleaning device according to claim 1, wherein: and ball bearings (16) are arranged at the joints between the screw rods (3) and the furnace body (1).

6. The crystal annealing furnace inner wall cleaning device according to claim 1, wherein: four foot pads (17) are installed at the bottom four corners of the furnace body (1).