Small-particle-size silica gel processing heating device with electrode protection structure

Abstract

The utility model discloses a small particle size silica gel processing heating device with an electrode protection structure, which comprises a base, the top of the base is fixedly connected with a bracket, the outer side of the bracket is fixedly connected with an upper furnace body, the lower end of the upper furnace body is in contact with a lower furnace body, the lower furnace body is internally provided with a bottom heater, and the bottom heater is provided with an electrode protection structure. And two side heaters which are symmetrically distributed are arranged in the upper furnace body. The six copper electrodes insulated from the furnace body are mounted at the top of the upper furnace body, so that high-power alternating current output by the transformer can be transmitted to the graphite heater in the furnace body for heating operation; a polytetrafluoroethylene cushion block with a proper height is additionally arranged at the upper part of a copper electrode of a small-particle-size silica gel deep processing tool, and the distance between a top heater and a base is increased, so that the internal height of a furnace platform is increased, the height of a crucible is increased, and the furnace feeding amount is increased; an electrode protection cabinet is additionally arranged at the top of the copper electrode to avoid electric shock caused by mistaken touch.

Description

Technical Field

[0001] The utility model relates to the technical field of heating devices, in particular to a small-diameter silica gel processing heating device with an electrode protection structure. Background Art

[0002] Small-particle silica gel is a kind of polycrystalline silicon, which is mainly used for drawing solar-grade single-crystal silicon rods. In the deep processing of small-particle silica gel, small-particle silica gel deep processing tooling is required for heating. The existing tooling has a small thermal field space and a small furnace capacity per furnace, resulting in low production capacity and increased costs. In addition, the opening and closing of the heating furnace is not convenient, making the loading and unloading operations not convenient. Therefore, improvements are needed. Utility Model Content

[0003] The utility model aims to provide a small-diameter silica gel processing heating device with an electrode protection structure, which solves the problems of small furnace input capacity of a single furnace and inconvenient opening and closing of the furnace body.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small-particle silica gel processing heating device with an electrode protection structure, comprising a base, a bracket fixedly connected to the top of the base, an upper furnace body fixedly connected to the outer side of the bracket, the lower end of the upper furnace body contacts the lower furnace body, a bottom heater is arranged inside the lower furnace body, the bottom heater is a graphite heater, two symmetrically distributed side heaters are arranged inside the upper furnace body, the side heaters are graphite heaters, a plurality of copper electrodes are arranged inside the upper furnace body, a top heater is arranged at the lower end of the copper electrode, the top heater is a graphite heater, a polytetrafluoroethylene pad is arranged on the upper furnace body, an electrode protection cabinet is arranged on the top of the polytetrafluoroethylene pad, the electrode protection cabinet is connected to the copper electrode, a connecting mechanism is arranged on the lower furnace body, and a supporting mechanism is arranged on the lower furnace body.

[0005] Preferably, the connection mechanism includes a motor, the upper end of the base is fixedly connected to the motor, the lower end of the motor output end is fixedly connected to the first bevel gear, the outer side of the first bevel gear is meshed with the second bevel gear, the second bevel gear is rotatably connected to the base, the inner side of the second bevel gear is fixedly sleeved with a forward and reverse screw, the forward and reverse screw is rotatably connected to the base through a bearing, the outer side of the forward and reverse screw is threadedly connected to two symmetrically distributed slides, the upper end of the slide is hinged with a hinge rod, the hinge rod is hinged with the lower furnace body, the inner side of the slide is movably sleeved with a ball, and the ball is movably connected to the base. By designing the connection mechanism, the furnace body can be opened and closed conveniently.

[0006] Preferably, a guide groove is provided inside the base, and a ball is movably sleeved inside the guide groove. The guide groove is designed so that the ball can roll inside the base.

[0007] Preferably, the support mechanism includes a support block, the left and right ends of the lower furnace body are fixedly connected with support blocks, the support block is slidably connected to the bracket, the lower end of the support block is fixedly connected to a support rod, the outer side of the support rod is slidably sleeved with a support sleeve, the support sleeve is fixedly connected to the bracket, a first spring is arranged inside the support sleeve, a groove is provided inside the support sleeve, a ball is movably sleeved inside the groove, a slider is movably sleeved outside the slider, the slider is slidably connected to the support sleeve, the slider is fixedly connected to the support rod, the inner side of the slider is slidably sleeved with a connection block, the connection block is movably connected to the ball, and a second spring is arranged inside the slider. By designing the support mechanism, the lower furnace body can be auxiliary supported.

[0008] Preferably, one end of the first spring is fixedly connected to the support sleeve, and the other end of the first spring is fixedly connected to the slider. By designing the first spring, the force of the first spring can act on the slider.

[0009] Preferably, there are multiple grooves, and the multiple grooves are evenly distributed inside the support sleeve. By designing multiple grooves, the stuck ball can roll into the grooves at different positions.

[0010] Preferably, one end of the second spring is fixedly connected to one of the connection blocks, and the other end of the second spring is fixedly connected to the other connection block. By designing the second spring, the force of the second spring can act on the connection block.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model installs six copper electrodes insulated from the furnace body on the top of the upper furnace body, which can transmit the high-power AC current output by the transformer to multiple graphite heaters in the furnace body for heating operation; a polytetrafluoroethylene pad of suitable height is installed on the upper part of the copper electrode of the small-particle silica gel deep processing tooling, and the distance between the top heater and the base is increased to increase the internal height of the furnace table, increase the height of the crucible, and increase the furnace input; an electrode protection cabinet is installed on the top of the copper electrode to avoid accidental electric shock.

[0013] 2. The utility model can support the lower furnace body by designing the function of the hinged rod, and can connect and fix the lower furnace body with the upper furnace body. The lower furnace body and the upper furnace body can be separated under the drive of the motor, which is convenient for opening and closing of the furnace body, and provides convenience for operations such as loading and unloading. Under the elastic action of the first spring, the support rod and the support block can be auxiliary supported to avoid the danger of falling of the lower furnace body, thereby achieving the purpose of safety protection. In addition, the auxiliary support effect of the support rod can be further enhanced under the coordinated use of the groove, the ball and the second spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 A magnified image of point A;

[0016] Figure 3 For this utility model Figure 1 A magnified view of point B;

[0017] Figure 4 For this utility model Figure 1 Front cross-sectional view of the support sleeve.

[0018] In the figure: 1. base; 2. bracket; 3. upper furnace body; 4. lower furnace body; 5. bottom heater; 6. side heater; 7. copper electrode; 8. connecting mechanism; 9. supporting mechanism; 10. top heater; 11. PTFE pad; 12. electrode protection cabinet; 81. motor; 82. first bevel gear; 83. second bevel gear; 84. forward and reverse screws; 85. slide seat; 86. hinge rod; 87. ball; 88. guide groove; 91. support block; 92. support rod; 93. support sleeve; 94. first spring; 95. groove; 96. card ball; 97. slider; 98. connecting block; 99. second spring. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1 A small-particle silica gel processing heating device with an electrode protection structure includes a base 1, a bracket 2 is fixedly connected to the top of the base 1, an upper furnace body 3 is fixedly connected to the outer side of the bracket 2, the lower end of the upper furnace body 3 contacts the lower furnace body 4, a bottom heater 5 is arranged inside the lower furnace body 4, and the bottom heater 5 is a graphite heater. Two symmetrically distributed side heaters 6 are arranged inside the upper furnace body 3, and the side heaters 6 are graphite heaters. A plurality of copper electrodes 7 are arranged inside the upper furnace body 3, and a top heater 10 is arranged at the lower end of the copper electrode 7, and the top heater 10 is a graphite heater. A polyfluoro pad 11 is arranged on the upper furnace body 3, and an electrode protection cabinet 12 is arranged on the top of the polyfluoro pad 11, and the electrode protection cabinet 12 is connected to the copper electrode 7. A connecting mechanism 8 is arranged on the lower furnace body 4, and a supporting mechanism 9 is arranged on the lower furnace body 4.

[0021] See also Figure 1 , Figure 2 , Figure 3 The connecting mechanism 8 includes a motor 81, the upper end of the base 1 is fixedly connected to the motor 81, the lower end of the output end of the motor 81 is fixedly connected to the first bevel gear 82, the outer side of the first bevel gear 82 is meshed with a second bevel gear 83, the second bevel gear 83 is rotatably connected to the base 1, the inner side of the second bevel gear 83 is fixedly sleeved with a forward and reverse screw 84, the forward and reverse screw 84 is rotatably connected to the base 1 through a bearing, the outer side of the forward and reverse screw 84 is threadedly connected to two symmetrically distributed slides 85, the upper end of the slide 85 is hinged with a hinge rod 86, the hinge rod 86 is hinged to the lower furnace body 4, the inner side of the slide 85 is movably sleeved with a ball 87, the ball 87 is movably connected to the base 1, a guide groove 88 is provided inside the base 1, and the inner side of the guide groove 88 is movably sleeved with a ball 87, by designing the guide groove 88, the ball 87 can roll inside the base 1, and by designing the connecting mechanism 8, the opening and closing of the furnace body is convenient.

[0022] See also Figure 1 , Figure 4 The support mechanism 9 includes a support block 91, and the left and right ends of the lower furnace body 4 are fixedly connected with the support block 91, and the support block 91 is slidably connected to the bracket 2. The lower end of the support block 91 is fixedly connected with a support rod 92, and the outer side of the support rod 92 is slidably sleeved with a support sleeve 93, and the support sleeve 93 is fixedly connected to the bracket 2. A first spring 94 is arranged inside the support sleeve 93, and one end of the first spring 94 is fixedly connected to the support sleeve 93, and the other end of the first spring 94 is fixedly connected to the slider 97. By designing the first spring 94, the force of the first spring 94 can act on the slider 97. A groove 95 is opened inside the support sleeve 93, and the number of the grooves 95 is multiple, and the multiple grooves 95 are evenly distributed inside the support sleeve 93. By designing multiple A groove 95 is formed so that the ball 96 can roll into the grooves 95 at different positions. The ball 96 is movably sleeved inside the groove 95, and a slider 97 is movably sleeved outside the slider 96. The slider 97 is slidably connected to the support sleeve 93, and the slider 97 is fixedly connected to the support rod 92. A connecting block 98 is slidably sleeved inside the slider 97, and the connecting block 98 is movably connected to the ball 96. A second spring 99 is arranged inside the slider 97, and one end of the second spring 99 is fixedly connected to one of the connecting blocks 98, and the other end of the second spring 99 is fixedly connected to the other connecting block 98. By designing the second spring 99, the force of the second spring 99 can act on the connecting block 98. By designing the supporting mechanism 9, the lower furnace body 4 can be auxiliary supported.

[0023] The specific implementation process of the utility model is as follows: when in use, six copper electrodes 7 insulated from the furnace body are installed on the top of the upper furnace body 3, so that the high-power AC current output by the transformer can be transmitted to the graphite heater in the furnace body for heating operation; the distance between the graphite heater and the base 1 is small, and a polytetrafluoroethylene pad 11 of suitable height is installed on the upper part of the copper electrode 7 of the small-particle silica gel deep processing tooling, and the distance between the top heater 10 and the base 1 is increased to increase the internal height of the furnace platform, increase the height of the crucible, and increase the amount of furnace input; an electrode protection cabinet 12 is installed on the top of the copper electrode 7 to avoid accidental touch and electric shock.

[0024] When it is necessary to separate the lower furnace body 4 from the upper furnace body 3, start the motor 81, and the output end of the motor 81 drives the first bevel gear 82 to rotate, and the first bevel gear 82 drives the second bevel gear 83 and the forward and reverse screw 84 to rotate, so that the slide 85 makes a threaded motion. The slide 85 will drive the ball 87 to roll along the guide groove 88, and at the same time, the hinge rod 86 will be deflected. At this time, the lower furnace body 4 will be separated from the upper furnace body 3, which is convenient for the opening and closing of the furnace body and provides convenience for operations such as loading and unloading.

[0025] The first spring 94 can be used to assist in supporting the slider 97, the support rod 92 and the support block 91 under the elastic action of the first spring 94, so as to avoid the danger of the lower furnace body 4 falling and achieve the purpose of safety protection. When the lower furnace body 4 falls, the lower furnace body 4 will drive the support block 91 and the support rod 92 to move downward, and the support rod 92 will drive the slider 97 to slide inside the support sleeve 93, and the slider 97 will drive the card ball 96 to slide along the groove 95, and the card ball 96 will be squeezed and pushed to drive the connecting block 98 to slide inside the slider 97, and the connecting block 98 will squeeze the second spring 99 to separate the card ball 96 from the groove 95. As the slider 97 moves, the second spring 99 will give the connecting block 98 a reverse thrust under the elastic action of the second spring 99, so that the card ball 96 can be pushed into the groove 95 at another position. The auxiliary support effect of the support rod 92 can be further improved under the coordinated use of the groove 95, the card ball 96 and the second spring 99.

[0026] 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. A small-particle silica gel processing heating device with an electrode protection structure, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a bracket (2), the outer side of the bracket (2) is fixedly connected to an upper furnace body (3), the lower end of the upper furnace body (3) contacts the lower furnace body (4), a bottom heater (5) is arranged inside the lower furnace body (4), and the bottom heater (5) is a graphite heater. Two symmetrically distributed side heaters (6) are arranged inside the upper furnace body (3), and the side heaters (6) are graphite heaters. A plurality of copper electrodes (7) are arranged inside the upper furnace body (3), and a top heater (10) is arranged at the lower end of each copper electrode (7), and the top heater (10) is a graphite heater. A polytetrafluoroethylene pad (11) is arranged on the upper furnace body (3), and an electrode protection cabinet (12) is arranged on the top of the polytetrafluoroethylene pad (11), and the electrode protection cabinet (12) is connected to the copper electrode (7). A connecting mechanism (8) is arranged on the lower furnace body (4), and a supporting mechanism (9) is arranged on the lower furnace body (4).

2. The small-particle silica gel processing heating device with an electrode protection structure according to claim 1 is characterized in that: The connecting mechanism (8) comprises a motor (81), the upper end of the base (1) is fixedly connected to the motor (81), the lower end of the output end of the motor (81) is fixedly connected to a first bevel gear (82), the outer side of the first bevel gear (82) is meshed with a second bevel gear (83), the second bevel gear (83) is rotatably connected to the base (1), the interior of the second bevel gear (83) is fixedly sleeved with a forward and reverse screw rod (84), the forward and reverse screw rod (84) is rotatably connected to the base (1) via a bearing, the outer side of the forward and reverse screw rod (84) is threadedly connected to two symmetrically distributed slide seats (85), the upper end of the slide seat (85) is hinged with a hinge rod (86), the hinge rod (86) is hinged to the lower furnace body (4), the interior of the slide seat (85) is movably sleeved with a ball (87), and the ball (87) is movably connected to the base (1).

3. The small-particle silica gel processing heating device with an electrode protection structure according to claim 1, characterized in that: A guide groove (88) is provided inside the base (1), and a ball (87) is movably sleeved inside the guide groove (88).

4. The small-particle silica gel processing heating device with an electrode protection structure according to claim 1, characterized in that: The support mechanism (9) comprises a support block (91), the left and right ends of the lower furnace body (4) are fixedly connected to the support block (91), the support block (91) is slidably connected to the bracket (2), the lower end of the support block (91) is fixedly connected to a support rod (92), the outer side of the support rod (92) is slidably sleeved with a support sleeve (93), the support sleeve (93) is fixedly connected to the bracket (2), a first spring (94) is arranged inside the support sleeve (93), and the support sleeve (93) A groove (95) is provided inside the groove (95), a locking ball (96) is movably sleeved inside the groove (95), a slider (97) is movably sleeved outside the locking ball (96), the slider (97) is slidably connected to the support sleeve (93), the slider (97) is fixedly connected to the support rod (92), a connecting block (98) is slidably sleeved inside the slider (97), the connecting block (98) is movably connected to the locking ball (96), and a second spring (99) is provided inside the slider (97).

5. The small-particle silica gel processing heating device with an electrode protection structure according to claim 4, characterized in that: One end of the first spring (94) is fixedly connected to the support sleeve (93), and the other end of the first spring (94) is fixedly connected to the slider (97).

6. The small-particle silica gel processing heating device with an electrode protection structure according to claim 4, characterized in that: There are a plurality of grooves (95), and the plurality of grooves (95) are evenly distributed inside the support sleeve (93).

7. The small-particle silica gel processing heating device with an electrode protection structure according to claim 4, characterized in that: One end of the second spring (99) is fixedly connected to one of the connection blocks (98), and the other end of the second spring (99) is fixedly connected to the other connection block (98).

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