Heat preservation mechanism of laser crystal growing furnace

Abstract

The utility model belongs to the technical field of laser crystal growing furnaces, and particularly relates to a heat preservation mechanism of a laser crystal growing furnace, which comprises a fixing frame, a crystal furnace is fixedly connected to the bottom of the inner side of the fixing frame, an air cylinder is fixedly mounted on the horizontal part of the upper side of the fixing frame, and the telescopic end of the air cylinder is slidably connected with the horizontal part of the upper side of the fixing frame. The telescopic end of the air cylinder is fixedly connected with a furnace cover, the furnace cover is slidably connected with the crystal furnace, a heating pipe is arranged at the bottom of the inner side of the crystal furnace, and an annular groove is formed in the inner wall of the crystal furnace. By pushing the connecting cylinder to be inserted into the crystal furnace and driving the heat-resisting layer and the heat-insulating layer to be immersed into the crystal furnace, the connecting cylinder can be quickly inserted and positioned under the action of the structures such as the inserting rod and the second spring, so that the connecting cylinder drives the heat-resisting layer and the heat-insulating layer to be stable, and a good heat-insulating effect of the crystal furnace is ensured under the structures such as the heat-resisting layer and the heat-insulating layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser crystal growth furnace technical field, concretely is a kind of heat preservation mechanism of laser crystal growth furnace. BACKGROUND

[0002] It is known that laser crystal growth furnace is a kind of equipment specially used for growing laser crystal, and laser crystal growth furnace is an important process test instrument in the field of electronics and communication technology, mainly used for growing high-quality laser crystal. These crystals have the function of emitting laser in laser, and are one of the core materials of laser technology.

[0003] In the utility model patent with patent grant announcement No. CN222100198U, a crystal growth furnace is disclosed, comprising: a furnace body, a tungsten cylinder and a heating device are arranged in the furnace body, a side heat preservation structure is arranged between the outer side of the tungsten cylinder and the furnace body; the side heat preservation structure comprises: a hot field component and a side heat preservation layer; the hot field component is a rigid cylinder structure, and is arranged between the tungsten cylinder and the furnace body; the side heat preservation layer is a zirconia sand filling layer, and the zirconia sand filling layer is arranged between the tungsten cylinder and the hot field component.

[0004] However, the existing heat preservation mechanism of laser crystal growth furnace also has certain disadvantages, and the existing heat preservation mechanism of laser crystal growth furnace is mainly fixed between the connecting cylinder and the furnace body by means of bolts, welding and other methods, which is undoubtedly inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of heat preservation mechanism of laser crystal growth furnace, solve the problem that the existing heat preservation mechanism of laser crystal growth furnace is mainly fixed between the connecting cylinder and the furnace body by means of bolts, welding and other methods, which is inconvenient to use.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of heat preservation mechanism of laser crystal growth furnace, including fixed frame, the inner side bottom of the fixed frame is fixedly connected with crystal furnace, the upper side horizontal portion of the fixed frame is fixedly installed with pneumatic cylinder, the telescopic end of the pneumatic cylinder is slidably connected with the upper side horizontal portion of fixed frame, the telescopic end of the pneumatic cylinder is fixedly connected with furnace cover, the furnace cover is slidably connected with crystal furnace, the inner side bottom of the crystal furnace is provided with heating pipe;

[0007] The inner wall of the crystal furnace is provided with annular groove, the end of the furnace cover is provided with extrusion groove, the inner wall of the extrusion groove is slidably connected with two symmetrical distribution heat-resistant elastic members, two the heat-resistant elastic members are in contact with each other, each heat-resistant elastic member is in contact with annular groove, the inner side of each heat-resistant elastic member is in contact with spring one, the other end of the spring one is fixedly connected with the end of the furnace cover, and the crystal furnace is provided with heat preservation mechanism.

[0008] Preferably, the upper end of the left side of the furnace cover is fixedly connected with a guide plate, the guide plate is slidably connected with the vertical part of the fixed frame, and the guide plate is arranged to guide the movement of the furnace cover.

[0009] Preferably, a plurality of heating pipes are arranged in a ring array on the crystal furnace, and the heating pipes are arranged to heat the crystal.

[0010] Preferably, the heat preservation mechanism comprises a connecting barrel, the inner side wall of the crystal furnace is slidably connected with the connecting barrel, the inner side wall of the connecting barrel is fixedly connected with a heat preservation layer, the inner side wall of the heat preservation layer is fixedly connected with a heat resistant layer, the right side of the crystal furnace is fixedly connected with a support frame, the vertical part of the support frame is slidably connected with a plug rod, the plug rod is slidably connected with the crystal furnace, the right end of the plug rod is fixedly connected with a handle, the outer side of the plug rod is provided with a spring two, one end of the spring two is welded with the handle, and the other end of the spring two is welded with the vertical part of the support frame.

[0011] Preferably, the heat preservation layer is in a cylindrical shape, the heat preservation layer is a ceramsite heat preservation plate, and the thickness of the heat preservation layer is 2cm.

[0012] Preferably, the heat resistant layer is in a cylindrical shape, the heat resistant layer is made of aluminum silicate fiber material, and the thickness of the heat resistant layer is 2cm.

[0013] Preferably, the plug rod is slidably connected with the connecting barrel, and the plug rod is slidably connected with the heat preservation layer and the heat resistant layer.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] 1. The connecting barrel is inserted into the crystal furnace, and the heat resistant layer and the heat preservation layer are driven to be immersed in the crystal furnace under the action of the plug rod and the spring two, so that the connecting barrel, the heat resistant layer and the heat preservation layer are quickly positioned and connected, the heat resistant layer and the heat preservation layer are stably driven by the connecting barrel, and the crystal furnace has good heat preservation effect under the structure of the heat resistant layer and the heat preservation layer.

[0016] 2. The cylinder can be extended and retracted to open and close the furnace cover and the crystal furnace, and the furnace cover has good sealing effect under the structure of the annular groove, the heat resistant elastic member and the spring one, so that the crystal furnace has good heat preservation characteristics. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure perspective view of the utility model;

[0018] Figure 2 It is the overall structure perspective view of the utility model; Figure 1 The partial front view section view of the utility model;

[0019] Figure 3 It is the overall structure perspective view of the utility model; Figure 1 The schematic diagram of the internal structure of the crystal furnace of the utility model;

[0020] Figure 4 It is the overall structure perspective view of the utility model; Figure 2 The enlarged view of A of the utility model;

[0021] Figure 5 It is the overall structure perspective view of the utility model; Figure 2 The partial crystal furnace overhead section view of the utility model.

[0022] In the drawing: 1, fixed frame; 2, crystal furnace; 3, air cylinder; 4, furnace cover; 5, guide plate; 6, heating pipe; 7, annular groove; 8, extrusion groove; 9, heat-resistant elastic member; 10, spring one; 11, heat preservation mechanism; 111, connecting barrel; 112, heat preservation layer; 113, heat-resistant layer; 114, support frame; 115, plug rod; 116, handle; 117, spring two. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 , a kind of heat preservation mechanism of laser crystal growth furnace, including fixed frame 1, the inner side bottom of fixed frame 1 is fixedly connected with crystal furnace 2, the upper side horizontal portion of fixed frame 1 is fixedly installed with air cylinder 3, the telescopic end of air cylinder 3 is slidably connected with the upper side horizontal portion of fixed frame 1, the telescopic end of air cylinder 3 is fixedly connected with furnace cover 4, furnace cover 4 is slidably connected with crystal furnace 2, the inner side bottom of crystal furnace 2 is provided with heating pipe 6;

[0025] The inner wall of the crystal furnace 2 is provided with an annular groove 7, and the end of the furnace cover 4 is provided with an extrusion groove 8. The inner wall of the extrusion groove 8 is slidably connected with two symmetrically distributed heat-resistant elastic elements 9. The two heat-resistant elastic elements 9 are in contact with each other, and each heat-resistant elastic element 9 is in contact with the annular groove 7. The inner side of each heat-resistant elastic element 9 is in contact with a spring 10, and the other end of the spring 10 is fixedly connected to the end of the furnace cover 4.

[0026] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A guide plate 5 is fixedly connected to the upper left side of the furnace cover 4. The guide plate 5 is slidably connected to the vertical part of the fixing frame 1. The furnace cover 4 can be moved and guided by the guide plate 5. Multiple heating tubes 6 are provided. The multiple heating tubes 6 are arranged in a ring array on the crystal furnace 2. The crystal can be heated by the heating tubes 6.

[0027] Please see Figure 1 , Figure 2 , Figure 3 The crystal furnace 2 is equipped with a heat preservation mechanism 11, which includes a connecting cylinder 111. The connecting cylinder 111 is slidably connected to the inner wall of the crystal furnace 2. A heat preservation layer 112 is fixedly connected to the inner wall of the connecting cylinder 111. A heat-resistant layer 113 is fixedly connected to the inner wall of the heat preservation layer 112. A support frame 114 is fixedly connected to the right side of the crystal furnace 2. A plug rod 115 is slidably connected to the vertical part of the support frame 114. The plug rod 115 is slidably connected to the crystal furnace 2. A handle 116 is fixedly connected to the right end of the plug rod 115. A second spring 117 is provided on the outer side of the plug rod 115. One end of the second spring 117 is welded to the handle 116, and the other end of the second spring 117 is welded to the vertical part of the support frame 114. Through the action of the plug rod 115, the second spring 117, and other structures, the connecting cylinder 111 can be plugged in, so that the heat preservation layer 112 and the heat-resistant layer 113 are in a stable connection state.

[0028] Please see Figure 1 , Figure 2 , Figure 3The whole of the heat preservation layer 112 is in a cylindrical shape, the heat preservation layer 112 is a ceramsite heat preservation plate, the thickness of the heat preservation layer 112 is 2cm, through the arrangement of the heat preservation layer 112, the crystal furnace 2 has good heat preservation effect, and the ceramsite heat preservation plate has good heat preservation, the whole of the heat resistant layer 113 is in a cylindrical shape, the heat resistant layer 113 is of aluminum silicate fiber material, the thickness of the heat resistant layer 113 is 2cm, through the arrangement of the heat resistant layer 113, the good heat resistance of the crystal furnace 2 can be ensured, and the aluminum silicate fiber material has good heat resistance, the plug rod 115 is slidably connected with the connecting cylinder 111, the plug rod 115 is slidably connected with the heat preservation layer 112 and the heat resistant layer 113, through the arrangement of the plug rod 115, the connecting cylinder 111 can be positioned for use.

[0029] The specific implementation process of the utility model is as follows: in use, the handle 116 is pulled to the right to move, to drive the plug rod 115 to move, so that the plug rod 115 slides along the inner wall of the support frame 114, spring two 117 is deformed, then the connecting cylinder 111 is inserted into the crystal furnace 2, and the heat preservation layer 112 and the heat resistant layer 113 are driven to immerse into the crystal furnace 2, then the handle 116 is loosened to make spring two 117 restore deformation, to pull the plug rod 115 through the connecting cylinder 111, the heat preservation layer 112 and the heat resistant layer 113, so that the heat preservation layer 112, the heat resistant layer 113 and the like are in stable state, under the action of the heat preservation layer 112 and the heat resistant layer 113, good heat preservation effect can be ensured.

[0030] Through the telescopic action of the air cylinder 3, the furnace cover 4 can be driven to contact the crystal furnace 2, and the end of the furnace cover 4 can be immersed into the crystal furnace 2, under the extrusion of force, the heat resistant elastic member 9 is deformed and slides along the inner wall of the extrusion groove 8, the spring one 10 is deformed, and finally the heat resistant elastic member 9 contacts the inner wall of the crystal furnace 2, under the action of force, the heat resistant elastic member 9 slides along the inner wall of the crystal furnace 2, when the heat resistant elastic member 9 slides into the annular groove 7, the spring one 10 restores deformation to push the heat resistant elastic member 9 to extrude into the annular groove 7, so as to seal the crystal furnace 2 and the furnace cover 4, to ensure good heat preservation.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heat preservation mechanism of a laser crystal growth furnace, comprising a fixing frame (1), characterized in that: The inner side bottom of the fixed frame (1) is fixedly connected with a crystal furnace (2), the upper side horizontal part of the fixed frame (1) is fixedly installed with a gas cylinder (3), the telescopic end of the gas cylinder (3) is slidably connected with the upper side horizontal part of the fixed frame (1), the telescopic end of the gas cylinder (3) is fixedly connected with a furnace cover (4), the furnace cover (4) is slidably connected with the crystal furnace (2), and the inner side bottom of the crystal furnace (2) is provided with a heating pipe (6). An annular groove (7) is formed in the inner wall of the crystal furnace (2), an extrusion groove (8) is formed in the end of the furnace cover (4), two symmetrical heat-resistant elastic members (9) are slidably connected with the inner wall of the extrusion groove (8), the two heat-resistant elastic members (9) are in contact with each other, each heat-resistant elastic member (9) is in contact with the annular groove (7), the inner side of each heat-resistant elastic member (9) is in contact with a spring (10), the other end of the spring (10) is fixedly connected with the end of the furnace cover (4), and a heat preservation mechanism (11) is arranged on the crystal furnace (2).

2. The heat preservation mechanism of a laser crystal growth furnace according to claim 1, characterized in that: The upper end left side of the furnace cover (4) is fixedly connected with a guide plate (5), and the guide plate (5) is slidably connected with the vertical part of the fixed frame (1).

3. The heat preservation mechanism of a laser crystal growth furnace according to claim 1, characterized in that: A plurality of heating pipes (6) are arranged in an annular array on the crystal furnace (2).

4. The heat preservation mechanism of a laser crystal growth furnace according to claim 1, characterized in that: The heat preservation mechanism (11) comprises a connecting barrel (111), the inner side wall of the crystal furnace (2) is slidably connected with the connecting barrel (111), the inner side wall of the connecting barrel (111) is fixedly connected with a heat preservation layer (112), the inner side wall of the heat preservation layer (112) is fixedly connected with a heat-resistant layer (113), the right side of the crystal furnace (2) is fixedly connected with a support frame (114), the vertical part of the support frame (114) is slidably connected with a plug rod (115), the plug rod (115) is slidably connected with the crystal furnace (2), the right end of the plug rod (115) is fixedly connected with a handle (116), the outer side of the plug rod (115) is provided with a spring (117), one end of the spring (117) is welded with the handle (116), and the other end of the spring (117) is welded with the vertical part of the support frame (114).

5. The heat preservation mechanism of a laser crystal growth furnace according to claim 4, characterized in that: The heat preservation layer (112) is in the form of a cylinder, the heat preservation layer (112) is a ceramsite heat preservation plate, and the thickness of the heat preservation layer (112) is 2cm.

6. The heat preservation mechanism of a laser crystal growth furnace according to claim 4, characterized in that: The heat-resistant layer (113) is in the form of a cylinder, the heat-resistant layer (113) is made of aluminum silicate fiber material, and the thickness of the heat-resistant layer (113) is 2cm.

7. The heat preservation mechanism of a laser crystal growth furnace according to claim 4, characterized in that: The plug rod (115) is slidably connected with the connecting barrel (111), and the plug rod (115) is slidably connected with the heat preservation layer (112) and the heat-resistant layer (113).

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