Integrated quartz crucible welding tool
By designing an integrated quartz crucible welding fixture, and utilizing a combination structure of lead screw, moving block, and limiting cover, the problem of shaking caused by unstable hand operation was solved, achieving stable welding of quartz crucibles and improving welding accuracy and sealing performance.
Patent Information
- Application Number
- CN202520446116.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing integrated quartz crucible welding fixture requires manual handling during the welding process, which makes the quartz crucible body and quartz cap unstable and prone to shaking, affecting the welding accuracy.
An integrated quartz crucible welding fixture was designed, which adopts a combination structure of lead screw, moving block, connecting rod, limit cover and laser welding device. Through the control of knob and motor, the quartz crucible body and quartz cap are stably pressed and circumferentially welded.
It improves the stability and precision of welding, prevents vibration, expands the welding range, ensures the sealing of the quartz crucible at high temperatures, and avoids silicon melt leakage.
Smart Images

Figure CN223947033U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the crucible processing technical field, concretely is a kind of integrated quartz crucible welding tool. BACKGROUND
[0002] Integrated quartz crucible is a kind of container for high-temperature heating, melting, burning or reaction, which is widely used in chemical experiments, metallurgy, material science, semiconductor manufacturing and other fields. During the processing of integrated quartz crucible, it is often necessary to use a welding tool to weld the quartz crucible body and the quartz cap together to ensure the sealing of the quartz crucible and prevent the leakage of silicon liquid or other reactants at high temperatures. This is crucial for high-precision processes such as single crystal silicon growth, as any leakage can lead to production failure or product quality degradation.
[0003] The existing integrated quartz crucible welding tool often requires personnel to hold the quartz crucible body and the quartz cap during welding, but hand-holding is not stable and can easily cause shaking, which affects the welding precision. UTILITY MODEL CONTENTS
[0004] To overcome the above-mentioned defects, the utility model provides an integrated quartz crucible welding tool, which solves the problem of existing integrated quartz crucible welding tool that often requires personnel to hold the quartz crucible body and the quartz cap during welding, but hand-holding is not stable and can easily cause shaking, which affects the welding precision.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an integrated quartz crucible welding tool, comprising a base plate, a vertical column fixedly connected to the top of the base plate, a lead screw rotatably connected to one side of the vertical column, a moving block threadedly connected to the lead screw, two connecting rods hingedly connected to the moving block, a moving frame hingedly connected to one end of the connecting rod, a connecting plate fixedly connected to one side of the moving frame, two connecting plates, one of which is fixedly connected to the top of the motor, and the other of which is fixedly connected to the bearing, and a cylinder fixedly connected to the inner ring of the bearing;
[0006] The cylinder is fixedly connected to the top of the second limiting cover, the output end of the motor is fixedly connected to the first limiting cover, the quartz crucible body is arranged at the bottom of the first limiting cover, the quartz cap is arranged at the bottom of the quartz crucible body, the air pipe is fixedly connected to the bottom of the quartz cap, the screw rod is rotatably connected to the inside of the base plate, the sliding block is threadedly connected to the screw rod, the moving plate is fixedly connected to the top of the sliding block, and the laser welding device is fixedly connected to the moving plate.
[0007] As a further scheme of the utility model, the lead screw is fixedly connected to a knob, and a plurality of grooves are formed in the knob.
[0008] As a further scheme of the utility model: the screw rod one end is fixedly connected with the nut, the moving plate is located one side of the stand.
[0009] As a further scheme of the utility model: the quartz cap is located the top of the second limit cover, the breather pipe is located the inside of the cylinder.
[0010] As a further scheme of the utility model: the moving frame is slidably connected on the stand, two moving frames are symmetrically arranged about the middle part of the stand.
[0011] As a further scheme of the utility model: the moving block is located one side of the stand, the motor is located the top of the bottom plate.
[0012] Compared with the prior art, the utility model has the advantages of:
[0013] 1、The integrated quartz crucible welding tool, through setting up the screw rod, the moving block, the connecting rod, the moving frame, the first limit cover and the second limit cover, when the first limit cover and the second limit cover need to be away from each other, the knob is rotated to drive the screw rod to rotate, since the moving block is screw connected on the screw rod, when the screw rod rotates, the moving block can move right, the moving block pushes the two moving frames and the connecting plate away from each other through the connecting rod, the two connecting plates drive the first limit cover and the second limit cover to move respectively, so that the first limit cover and the second limit cover are away from each other, at this time, the quartz cap is placed in the second limit cover, and the quartz crucible main body is placed on the top of the quartz cap, at this time, the knob is reversed to drive the screw rod to rotate, so that the moving block moves left, the moving block pulls the two moving frames and the connecting plate close to each other through the connecting rod, so that the first limit cover and the second limit cover are close to each other, the quartz crucible main body and the quartz cap are pressed tightly, the welding tool is pressed tightly by the first limit cover and the second limit cover, which prevents the phenomenon of shaking during welding, thereby improving the welding precision.
[0014] 2、The integrated quartz crucible welding tool, through setting up the motor, the first limit cover, the screw rod, the moving plate and the laser welding device, at this time, the nut is rotated to drive the screw rod to rotate, so that the slider, the moving plate and the laser welding device move and close to the quartz crucible main body, when the welding head on the laser welding device moves to the appropriate position, the laser welding device is started to weld, at the same time, the motor is started to drive the first limit cover, the quartz crucible main body and the quartz cap to rotate, so that the laser welding device can perform annular welding on the quartz crucible main body and the quartz cap, the welding tool moves the laser welding device close to the quartz crucible main body through the rotation of the screw rod, so as to facilitate the smooth progress of the welding work, and at the same time, the first limit cover, the quartz crucible main body and the quartz cap are rotated by starting the motor, thereby expanding the welding range. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0016] Figure 2 It is a three-dimensional structure schematic view of the connecting plate of the utility model;
[0017] Figure 3 It is a three-dimensional structure schematic view of the connecting plate and the second limiting cover of the utility model;
[0018] Figure 4 It is a three-dimensional structure schematic view of the utility model bottom plate section;
[0019] Figure 5 It is a three-dimensional structure schematic view of the utility model quartz crucible main body and quartz cap separation structure;
[0020] In the drawing: 1, bottom plate; 2, stand; 3, lead screw; 4, moving frame; 5, first limiting cover; 6, quartz crucible main body; 7, moving plate; 8, knob; 9, moving block; 10, connecting rod; 11, connecting plate; 12, motor; 13, second limiting cover; 14, bearing; 15, cylinder; 16, laser welding device; 17, sliding block; 18, screw; 19, nut; 20, quartz cap; 21, air pipe. DETAILED DESCRIPTION
[0021] The technical scheme of the patent will be further described in detail in combination with specific embodiments.
[0022] As Figures 1-5 shown, the utility model provides a kind of technical scheme: a kind of integrated quartz crucible welding tool, including bottom plate 1, bottom plate 1 top fixedly connected with stand 2, one side of stand 2 is rotatably connected with lead screw 3, one end of lead screw 3 is fixedly connected with knob 8, is provided with several recesses on knob 8, because several recesses are provided on knob 8, can increase friction, facilitate personnel to rotate knob 8, improve the convenience of operation, moving block 9 is connected in screw thread on lead screw 3, two connecting rods 10 are hinged on moving block 9, one end of connecting rod 10 is hinged with moving frame 4, because moving frame 4 is equipped, when connecting plate 11 moves, moving frame 4 slides on stand 2, moving frame 4 plays the role of limiting and guiding connecting plate 11, improves the stability of connecting plate 11 movement.
[0023] The connecting plate 11 is fixedly connected with the mobile frame 4 on one side, and the number of the connecting plate 11 is two, one of which is fixedly connected with the motor 12 on the top, and the motor 12 is arranged to drive the first limiting cover 5, the quartz crucible body 6 and the quartz cap 20 to rotate, thereby expanding the welding range, and the other connecting plate 11 is fixedly connected with the bearing 14, and the bearing 14 can reduce the friction between the cylinder 15 and the connecting plate 11, and improve the smoothness of the cylinder 15 when rotating, and the inner ring of the bearing 14 is fixedly connected with the cylinder 15, and the mobile frame 4 is slidingly connected with the stand 2, and the two mobile frames 4 are symmetrically arranged about the middle part of the stand 2.
[0024] The second limiting cover 13 is fixedly connected with the top of the cylinder 15, the output end of the motor 12 is fixedly connected with the first limiting cover 5, the first limiting cover 5 is provided with the quartz crucible body 6 at the bottom, the quartz crucible body 6 is provided with the quartz cap 20 at the bottom, the quartz cap 20 is located at the top of the second limiting cover 13, and the air pipe 21 is located in the inner part of the cylinder 15, and the quartz cap 20 is fixedly connected with the air pipe 21 at the bottom.
[0025] The screw rod 18 is rotatably connected with the inner part of the bottom plate 1, the sliding block 17 is threadedly connected with the screw rod 18, the moving plate 7 is fixedly connected with the top of the sliding block 17, the laser welding device 16 is fixedly connected with the moving plate 7, the screw rod 18 is fixedly connected with the nut 19 at one end, the moving plate 7 is located on one side of the stand 2, the moving block 9 is located on one side of the stand 2, and the motor 12 is located at the top of the bottom plate 1.
[0026] The working principle of the utility model is as follows:
[0027] When the first limiting cover 5 and the second limiting cover 13 need to be away from each other, the knob 8 is rotated to drive the screw rod 3 to rotate, since the moving block 9 is threadedly connected with the screw rod 3, when the screw rod 3 rotates, the moving block 9 can move right, the moving block 9 drives the two mobile frames 4 and the connecting plates 11 to move away from each other through the connecting rod 10, the two connecting plates 11 drive the first limiting cover 5 and the second limiting cover 13 to move, so that the first limiting cover 5 and the second limiting cover 13 are away from each other, at this time, the quartz cap 20 is placed in the second limiting cover 13, and the quartz crucible body 6 is placed on the top of the quartz cap 20, at this time, the knob 8 is reversely rotated to drive the screw rod 3 to rotate, so that the moving block 9 moves left, the moving block 9 drives the two mobile frames 4 and the connecting plates 11 to move close to each other through the connecting rod 10, so that the first limiting cover 5 and the second limiting cover 13 move close to each other, and the quartz crucible body 6 and the quartz cap 20 are pressed tightly;
[0028] At this time, the screw cap 19 is rotated to drive the screw rod 18 to rotate, so that the sliding block 17, the moving plate 7 and the laser welding device 16 are moved and close to the quartz crucible body 6, when the welding head on the laser welding device 16 is moved to the appropriate position, the laser welding device 16 is started to weld, at the same time, the motor 12 is started to drive the first limiting cover 5, the quartz crucible body 6 and the quartz cap 20 to rotate, so that the laser welding device 16 can perform annular welding on the quartz crucible body 6 and the quartz cap 20.
[0029] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled person in the art, the above-mentioned terms can be understood in the specific meaning in the utility model through specific circumstances.
[0030] The above-mentioned preferred embodiments of the patent are described in detail, but the patent is not limited to the above-mentioned embodiments, within the knowledge range of ordinary skilled person in the art, various changes can be made without departing from the purpose of the patent.
Claims
1. An integrated quartz crucible welding tool comprising a base plate (1), characterized in that: The bottom plate (1) top fixedly connected with a column (2), one side of the column (2) rotatably connected with a lead screw (3), the lead screw (3) is threadedly connected with a moving block (9), the moving block (9) is hingedly connected with two connecting rods (10), one end of the connecting rod (10) is hingedly connected with a moving frame (4), the moving frame (4) one side fixedly connected with a connecting plate (11), the number of connecting plate (11) is two, one of the connecting plate (11) top fixedly connected with a motor (12), the other connecting plate (11) is fixedly connected with a bearing (14), the inner ring of the bearing (14) is fixedly connected with a cylinder (15); The cylinder (15) top fixedly connected with a second limit cover (13), the output end of the motor (12) is fixedly connected with a first limit cover (5), the first limit cover (5) bottom is provided with a quartz crucible body (6), the quartz crucible body (6) bottom is provided with a quartz cap (20), the quartz cap (20) bottom fixedly connected with a vent tube (21), the bottom plate (1) inside rotatably connected with a screw rod (18), the screw rod (18) is threadedly connected with a sliding block (17), the sliding block (17) top fixedly connected with a moving plate (7), the moving plate (7) is fixedly connected with a laser welding device (16).
2. The integrated quartz crucible welding tool of claim 1, wherein: The lead screw (3) one end fixedly connected with a knob (8), the knob (8) is provided with a plurality of recesses.
3. The integrated quartz crucible welding fixture of claim 1, wherein: The screw rod (18) one end fixedly connected with a nut (19), the moving plate (7) is located in one side of the column (2).
4. The integrated quartz crucible welding fixture of claim 1, wherein: The quartz cap (20) is located in the top of the second limit cover (13), the vent tube (21) is located in the inside of the cylinder (15).
5. The integrated quartz crucible welding fixture of claim 1, wherein: The moving frame (4) is slidably connected on the column (2), two moving frame (4) is symmetrically arranged about the middle part of the column (2).
6. The integrated quartz crucible welding fixture of claim 1, wherein: The moving block (9) is located in one side of the column (2), the motor (12) is located in the top of the bottom plate (1).