Automatic feeding device for quartz furnace

Abstract

The utility model belongs to the technical field of quartz melting furnaces and discloses an automatic feeding device for a quartz melting furnace, comprising a U-shaped support frame, the top of the U-shaped support frame is fixedly connected to a storage tank by a support rod, and a quantitative feeding component is installed between the storage tank and the U-shaped support frame, and the quantitative feeding component comprises a baffle plate, and a positioning slide groove is provided at a position where the inner wall of the U-shaped support frame corresponds to the baffle plate, and the positioning slide groove is slidably connected to the baffle plate through a positioning slider, and one side of the U-shaped support frame is fixedly connected to a fixed shell, and a screw rod is provided in the fixed shell, one end of the screw rod is connected to the inner wall of the fixed shell by a bearing, and the other end passes through the fixed shell and is connected to a primary motor, and the screw rod is threadedly connected to a threaded pipe, so that the raw material is first introduced into a quantitative hopper, and then the raw material in the quantitative hopper is introduced into the quartz melting furnace, so that the addition amount of the raw material of the quartz melting furnace can be accurately controlled, which is conducive to the full utilization of the quartz melting furnace.

Description

Technical Field

[0001] The utility model belongs to the technical field of quartz melting furnaces, in particular to an automatic feeding device for a quartz melting furnace. Background Art

[0002] A quartz melting furnace is a melting furnace equipment specially used for melting quartz and other materials. It has the following characteristics: good high temperature resistance, able to withstand the high temperature required for melting quartz; pure material, because it is made of quartz material, it will not introduce too many impurities; high stability, able to maintain a stable structure at high temperatures to ensure the smooth progress of the melting process, and is widely used in the semiconductor industry, optical industry, etc.

[0003] In the prior art, the feeding of the quartz furnace is mostly done by manpower or machinery, and it is difficult to control the amount of added materials, which is not conducive to the full utilization of the quartz furnace.

[0004] Therefore, in view of the above problems, an automatic charging device for a quartz furnace is proposed. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an automatic feeding device for a quartz melting furnace, which has the advantages of quantitatively adding raw materials and fully utilizing the advantages of the quartz melting furnace.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeding device for a quartz furnace, comprising a U-shaped support frame, a storage tank is fixedly connected to the top of the U-shaped support frame through a support rod, and a quantitative feeding assembly is installed between the storage tank and the U-shaped support frame;

[0007] The quantitative feeding assembly includes a material baffle plate, a positioning slot is provided at a position corresponding to the inner wall of the U-shaped support frame and the material baffle plate, and the positioning slot is slidably connected to the material baffle plate through a positioning slider, and one side of the U-shaped support frame is fixedly connected to a fixed shell, and a screw rod is provided in the fixed shell, one end of the screw rod is connected to the inner wall of the fixed shell through a bearing, and the other end passes through the fixed shell and is connected to a primary motor, the screw rod is threadedly connected to a threaded tube, and the threaded tube is fixedly connected to the material baffle plate through a connecting plate, a primary through hole is provided on the material baffle plate, the primary through hole is connected to a quantitative hopper, and the quantitative hopper is fixedly connected to the material baffle plate, and a secondary through hole is provided on the U-shaped support frame at a position corresponding to the quantitative hopper, and the secondary through hole is connected to a feeding pipe, and the feeding pipe is fixed to the bottom of the U-shaped support frame.

[0008] Preferably, support legs are fixedly connected to the four corners of the bottom of the U-shaped support frame.

[0009] Preferably, a cover plate is provided on the top of the storage tank, and a stirring assembly is provided on the cover plate.

[0010] Preferably, the stirring assembly comprises a secondary motor, the secondary motor is mounted on the top of the cover plate, the output end of the secondary motor is connected to a central axis rod, and the central axis rod is provided with spiral blades.

[0011] Preferably, a feed hopper is provided on the cover plate, and a discharge port is provided at the bottom of the storage tank.

[0012] Preferably, the bottom end surface of the discharge port is close to the material baffle plate, and the bottom end surface of the quantitative hopper is close to the bottom inner wall of the U-shaped support frame.

[0013] Preferably, the storage tank is composed of a heat-insulating outer shell and a heat-conducting inner shell, a cavity is provided between the heat-insulating outer shell and the heat-conducting inner shell, the cavity is respectively connected to a smoke inlet pipe and a smoke outlet, the smoke inlet pipe and the smoke outlet are fixedly connected to the heat-insulating outer shell, and a pipe joint is provided at the end of the smoke inlet pipe.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a quantitative feeding component to first introduce the raw materials into the quantitative hopper, and then introduce the raw materials in the quantitative hopper into the quartz furnace, so as to accurately control the amount of raw materials added to the quartz furnace, which is conducive to the full utilization of the quartz furnace;

[0016] 2. The utility model provides an inner and outer double-layer shell with a cavity therein, and introduces the high-temperature flue gas generated by the quartz furnace into the cavity to heat the temperature of the raw materials in the storage tank, thereby achieving the purpose of preheating and helping to reduce energy loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the U-shaped support frame of the utility model;

[0019] Figure 3 This is a structural schematic diagram of the material baffle plate of the utility model;

[0020] Figure 4 This is a structural schematic diagram of the utility model for fixing the shell position;

[0021] Figure 5 This is a schematic cross-sectional view of the storage tank of the utility model;

[0022] Figure 6 This is the appearance diagram of the storage tank of the utility model.

[0023] In the figure: 1. U-shaped support frame; 2. support rod;

[0024] 3. Storage tank; 31. Heat-insulating outer shell; 32. Heat-conducting inner shell; 33. Cavity; 34. Smoke inlet pipe; 35. Smoke outlet; 36. Pipe joint;

[0025] 4. Quantitative unloading assembly; 41. baffle plate; 42. positioning slide; 43. positioning slide block; 44. fixed shell; 45. screw rod; 46. primary motor; 47. threaded pipe; 48. connecting plate; 49. primary through hole; 410. quantitative hopper; 411. secondary through hole; 412. unloading pipe;

[0026] 5. Support legs; 6. Cover plate;

[0027] 7. stirring assembly; 71. secondary motor; 72. middle shaft; 73. spiral blade;

[0028] 8. Feed hopper; 9. Discharge port. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] like Figures 1 to 6 As shown, the utility model provides an automatic feeding device for a quartz furnace, comprising a U-shaped support frame 1, a material storage tank 3 is fixedly connected to the top of the U-shaped support frame 1 through a support rod 2, and a quantitative feeding component 4 is installed between the material storage tank 3 and the U-shaped support frame 1;

[0031] The quantitative unloading component 4 includes a baffle plate 41. A positioning slot 42 is provided at a position corresponding to the inner wall of the U-shaped support frame 1 and the baffle plate 41. The positioning slot 42 is slidably connected to the baffle plate 41 through a positioning slider 43. A fixed shell 44 is fixedly connected to one side of the U-shaped support frame 1. A screw rod 45 is provided in the fixed shell 44. One end of the screw rod 45 is connected to the inner wall of the fixed shell 44 through a bearing, and the other end passes through the fixed shell 44 and is connected to a primary motor 46. The screw rod 45 is threadedly connected to a threaded pipe 47. The threaded pipe 47 is fixedly connected to the baffle plate 41 through a connecting plate 48. A primary through hole 49 is provided on the plate 41, and the primary through hole 49 is connected to a quantitative hopper 410, and the quantitative hopper 410 is fixedly connected to the material blocking plate 41. A secondary through hole 411 is provided at a position corresponding to the quantitative hopper 410 on the U-shaped support frame 1, and the secondary through hole 411 is connected to a discharge pipe 412, and the discharge pipe 412 is fixed to the bottom of the U-shaped support frame 1. The raw materials are first introduced into the quantitative hopper 410, and then the raw materials in the quantitative hopper 410 are introduced into the quartz furnace, so that the amount of raw materials added to the quartz furnace can be accurately controlled, which is conducive to the full utilization of the quartz furnace.

[0032] Specifically, the four corners of the bottom of the U-shaped support frame 1 are fixedly connected with support legs 5 .

[0033] Furthermore, a cover plate 6 is provided on the top of the storage tank 3 , and a stirring assembly 7 is provided on the cover plate 6 .

[0034] Furthermore, the stirring assembly 7 includes a secondary motor 71 , which is installed on the top of the cover plate 6 , and an output end of the secondary motor 71 is connected to a central axis rod 72 , on which a spiral blade 73 is provided.

[0035] It is worth noting that a feed hopper 8 is provided on the cover plate 6 , and a discharge port 9 is provided at the bottom of the storage tank 3 .

[0036] It is worth noting that the bottom end surface of the discharge port 9 is close to the material blocking plate 41 , and the bottom end surface of the quantitative hopper 410 is close to the bottom inner wall of the U-shaped support frame 1 .

[0037] It is worth mentioning that the storage tank 3 is composed of an insulating outer shell 31 and a heat-conducting inner shell 32, and a cavity 33 is provided between the insulating outer shell 31 and the heat-conducting inner shell 32, and the cavity 33 is respectively connected to a smoke inlet pipe 34 and a smoke outlet 35, and the smoke inlet pipe 34 and the smoke outlet 35 are fixedly connected to the insulating outer shell 31, and a pipe joint 36 is provided at the end of the smoke inlet pipe 34. An inner and outer double-layer shell is provided, in which a cavity 33 is provided, and the high-temperature flue gas generated by the quartz furnace is introduced into the cavity 33 to heat the temperature of the raw materials in the storage tank, thereby achieving the purpose of preheating, which is beneficial to reduce energy loss.

[0038] Among them, the first-stage motor 46 and the second-stage motor 71 are prior art and will not be described in detail. At the same time, the utility model also includes a power supply, a controller, and a switch, which are not the main technical points of this patent and will not be described in detail.

[0039] Working principle and process: the raw material is injected into the storage tank 3 from the feed hopper 8, the primary motor 46 of the quantitative discharge assembly 4 is started, and then the screw rod 45 rotates, causing the threaded tube 47 and the connecting plate 48 to move, so as to drive the baffle plate 41 to move, until the primary through hole 49 on the baffle plate 41 corresponds to the position of the discharge port 9, and then the raw material in the storage tank 3 is introduced into the quantitative hopper 410. After the quantitative hopper 410 is full, the primary motor 46 is started again to move the baffle plate 41 until the position of the quantitative hopper 410 matches the position of the secondary through hole 411. The raw materials in the quantitative hopper 410 can be introduced into the quartz furnace through the secondary through hole 411 and the discharge pipe 412. The smoke exhaust pipe of the quartz furnace is connected to the pipe joint 36 on the storage tank 3, and then the smoke is introduced into the cavity 33 through the smoke inlet pipe 34, so that the heat can be transferred to the raw materials in the storage tank 3 to preheat the raw materials. The secondary motor 71 of the stirring assembly 7 is started, and then the central axis rod 72 drives the spiral blade 73, which can not only stir the raw materials to make them evenly heated, but also avoid the raw materials from being blocked at the discharge port 9, which is beneficial to the use of the quartz furnace.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic charging device for a quartz furnace, comprising a U-shaped support frame (1), characterized in that: The top of the U-shaped support frame (1) is fixedly connected to a storage tank (3) via a support rod (2), and a quantitative feeding assembly (4) is installed between the storage tank (3) and the U-shaped support frame (1); The quantitative unloading assembly (4) comprises a baffle plate (41), a positioning slide groove (42) is provided at a position corresponding to the baffle plate (41) on the inner wall of the U-shaped support frame (1), the positioning slide groove (42) is slidably connected to the baffle plate (41) via a positioning slider (43), a fixed shell (44) is fixedly connected to one side of the U-shaped support frame (1), a screw rod (45) is provided in the fixed shell (44), one end of the screw rod (45) is connected to the inner wall of the fixed shell (44) via a bearing, and the other end passes through the fixed shell (44) and is connected to a primary motor (46), the screw rod (45) is threaded A threaded tube (47) is connected, the threaded tube (47) is fixedly connected to a baffle plate (41) via a connecting plate (48), a primary through hole (49) is provided on the baffle plate (41), the primary through hole (49) is connected to a quantitative hopper (410), the quantitative hopper (410) is fixedly connected to the baffle plate (41), a secondary through hole (411) is provided at a position corresponding to the quantitative hopper (410) on the U-shaped support frame (1), the secondary through hole (411) is connected to a feed pipe (412), and the feed pipe (412) is fixed to the bottom of the U-shaped support frame (1).

2. The automatic charging device for a quartz melting furnace according to claim 1, characterized in that: Support legs (5) are fixedly connected to the four corners of the bottom of the U-shaped support frame (1).

3. The automatic charging device for a quartz melting furnace according to claim 1, characterized in that: A cover plate (6) is provided on the top of the storage tank (3), and a stirring assembly (7) is provided on the cover plate (6).

4. The automatic charging device for a quartz melting furnace according to claim 3, characterized in that: The stirring assembly (7) comprises a secondary motor (71), the secondary motor (71) is mounted on the top of the cover plate (6), the output end of the secondary motor (71) is connected to a central axis rod (72), and the central axis rod (72) is provided with a spiral blade (73).

5. The automatic charging device for a quartz melting furnace according to claim 3, characterized in that: The cover plate (6) is provided with a feed hopper (8), and the bottom of the storage tank (3) is provided with a discharge port (9).

6. The automatic charging device for a quartz melting furnace according to claim 5, characterized in that: The bottom end surface of the discharge port (9) is in close contact with the material blocking plate (41), and the bottom end surface of the quantitative hopper (410) is in close contact with the bottom inner wall of the U-shaped support frame (1).

7. The automatic charging device for a quartz melting furnace according to claim 1, characterized in that: The material storage tank (3) is composed of a heat-insulating outer shell (31) and a heat-conducting inner shell (32); a cavity (33) is provided between the heat-insulating outer shell (31) and the heat-conducting inner shell (32); the cavity (33) is respectively connected to a smoke inlet pipe (34) and a smoke outlet (35); the smoke inlet pipe (34) and the smoke outlet (35) are both fixedly connected to the heat-insulating outer shell (31); and a pipe joint (36) is provided at the end of the smoke inlet pipe (34).

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