Precise ceramic tube shell welding positioning tool

By designing positioning and clamping devices in welding tooling, the displacement problem caused by vibration during the welding process of ceramic tube shells is solved, and the high accuracy and stability of the welded joints are achieved.

CN222999974UActive Publication Date: 2025-06-20SHAANXI YINGJI MICROELECTRONICS CO LTD
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Patent Information

Application Number
CN202422168384.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-06-20
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

During the welding process, ceramic tube shells are easily displaced or inclined due to vibration, resulting in inaccurate position, irregular shape, or welding defects such as unfused and slag inclusion.

Method used

A precision ceramic tube and shell welding positioning tool is designed. By installing positioning devices and clamping devices, the ceramic tube and shell are in the correct position and posture before welding, and their position is fixed during welding to prevent displacement or deformation.

Benefits of technology

Welding defects caused by position deviation are effectively avoided, welding accuracy and airtightness are improved, and the stability and quality of welded joints are ensured.

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Abstract

The utility model relates to the technical field of optoelectronic devices, in particular to a precise ceramic tube shell welding and positioning tool which comprises a base, a placing plate is fixedly connected to the middle of the top of the base, a ceramic tube shell is placed on the placing plate, and fixing plates are fixedly connected to the left side and the right side of the ceramic tube shell. Positioning holes are formed in the front and back of the fixing plate, a first symmetrical empty groove is formed in the rear side of the top of the base, a symmetrical moving plate is slidably connected to the first symmetrical empty groove, a symmetrical clamping plate is fixedly connected to the upper portion of the symmetrical moving plate, and a plurality of jacking columns are slidably connected to the inner side of the symmetrical clamping plate; according to the precise welding and positioning tool for the ceramic tube shell, the ceramic tube shell is positioned by installing the positioning device, it is ensured that the ceramic tube shell is located at the correct position and posture before welding, welding defects caused by position deviation are avoided, meanwhile, the ceramic tube shell is fixed by installing the clamping device, and welding quality is improved. Displacement or deformation in the welding process is prevented, and the welding precision is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of optoelectronic devices, in particular to a precision ceramic package welding positioning tooling. Background Art

[0002] At present, optoelectronic devices are widely used in electronic equipment. In order to ensure the airtightness and mutual insulation of optoelectronic devices, ceramic packages are generally used for packaging optoelectronic devices. The ceramic package chip packaging process mainly includes the following steps: substrate preparation, chip bonding, package encapsulation, welding, testing and packaging. Among them, welding is a process of connecting the packaged chip to the external circuit, usually using solder for welding. The selection needs to consider the characteristics of the packaging material and the material and process requirements of the external circuit. During the welding process, the welding equipment needs to ensure that the alignment error between the package and the cover plate is extremely small, so as to improve the airtightness and stability of the welding joint. However, there will be vibrations during the welding process, which easily cause the ceramic package to displace or tilt, resulting in inaccurate welding joint positions, irregular shapes, or welding defects such as lack of fusion and slag inclusion.

[0003] Therefore, it is necessary to provide a new precision ceramic package welding positioning tooling to solve the above technical problems. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a precision ceramic package welding positioning tooling.

[0005] The precision ceramic package welding positioning tooling provided by the utility model includes: a base, a placement plate is fixedly connected to the middle of the top of the base, a ceramic package is placed on the placement plate, fixing plates are fixedly connected to both the left and right sides of the ceramic package, positioning holes are provided in front and behind the fixing plates, a first symmetric empty groove is provided at the rear side of the top of the base, a symmetric moving plate is slidably connected to the first symmetric empty groove, a symmetric clamping plate is fixedly connected above the symmetric moving plate, and a plurality of top columns are slidably connected to the inner side of the symmetric clamping plate. The ceramic package is positioned through the positioning holes to ensure that the ceramic package is in the correct position and posture before welding, avoiding welding defects caused by position deviation, and the symmetric clamping plate fixes the ceramic package to prevent it from displacing or deforming during the welding process, improving the welding precision.

[0006] Preferably, a motor is fixedly connected to the left rear side inside the base, a double-headed threaded rod is fixedly connected to the driving part of the motor, and symmetric moving plates are threadedly connected to both the left and right sides of the double-headed threaded rod. Starting the motor drives the double-headed threaded rod to rotate, which is convenient for driving the symmetric moving plates to approach each other.

[0007] Preferably, a support rod is fixedly connected to the front side of the base, and symmetrical support plates are slidably connected to the left and right sides of the support rod. A symmetrical clamping plate is fixedly connected above the symmetrical support plate. The support rod is used to support and limit the symmetrical support plate so that the symmetrical support plate can only move along the support rod.

[0008] Preferably, a second symmetrical empty slot is provided on the front side of the top of the base, and a symmetrical support plate is slidably connected inside the second symmetrical empty slot, and the symmetrical support plate is limited by the second symmetrical empty slot so that it can move along the second symmetrical empty slot.

[0009] Preferably, a cylinder is fixedly connected to the middle of the base, a movable plate is fixedly connected to the cylinder drive, positioning columns are fixedly connected to the top of the movable plate on all four sides, the positioning columns are slidably connected to the inside of the positioning hole, and the cylinder is started through the operating table to drive the movable plate to move upward, drive the positioning columns to move upward, and insert them into the positioning hole, so as to facilitate the fixation of the ceramic tube shell.

[0010] Preferably, a plurality of reset springs are fixedly connected to the inner and outer sides of the symmetrical splint, the other end of the reset spring is fixedly connected to a top column, and a limiting block is fixedly connected to the right side of the top column. Under the action of the reset spring, the top column presses the ceramic tube shell to facilitate fixing the ceramic tube shell, and the limiting block prevents the top column from detaching from the symmetrical splint and affecting the use of the device.

[0011] Preferably, an operating table is fixedly connected to the left front side of the base, and the activation of the internal components of the device is controlled by the operating table.

[0012] Compared with the related art, the precision ceramic shell welding positioning tool provided by the utility model has the following beneficial effects:

[0013] 1. The utility model provides a precision ceramic shell welding positioning tool, which positions the ceramic shell by installing a positioning device to ensure that the ceramic shell is in the correct position and posture before welding, thereby avoiding welding defects caused by position deviation.

[0014] 2. The utility model provides a precision ceramic tube shell welding positioning tool, which fixes the ceramic tube shell by installing a clamping device to prevent it from displacement or deformation during welding, thereby improving welding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of a preferred embodiment of a precision ceramic shell welding positioning tool provided by the utility model;

[0016] Figure 2 for Figure 1 The schematic diagram of the base and ceramic shell structure shown;

[0017] Figure 3 for Figure 1Schematic structural diagram of the clamping and positioning driving device shown

[0018] Figure 4 is Figure 1 Schematic structural diagram inside the symmetric clamping plate shown

[0019] Reference numerals in the figure: 1, base; 2, ceramic tube shell; 3, first symmetric empty groove; 4, second symmetric empty groove; 5, symmetric support plate; 6, symmetric clamping plate; 7, top column; 8, operating table; 9, fixing plate; 10, positioning hole; 11, positioning column; 12, motor; 13, double-headed threaded rod; 14, support rod; 15, symmetric moving plate; 16, cylinder; 17, movable plate; 18, return spring; 19, limit block; 20, placing plate. Specific implementation mode

[0020] In order to make the purpose, technical solution and advantages of the present utility model clearer, the following further details the present utility model in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0021] The following describes in detail the specific implementation of the present utility model in conjunction with specific embodiments.

[0022] Please refer to Figures 1 to 4 , a precision ceramic tube shell welding positioning tooling provided by an embodiment of the present utility model, the precision ceramic tube shell welding positioning tooling includes: a base 1, a placing plate 20 is fixedly connected to the middle of the top of the base 1, a ceramic tube shell 2 is placed on the placing plate 20, fixing plates 9 are fixedly connected to both the left and right sides of the ceramic tube shell 2, positioning holes 10 are arranged before and after the fixing plate 9, a first symmetric empty groove 3 is arranged at the rear side of the top of the base 1, a symmetric moving plate 15 is slidably connected to the first symmetric empty groove 3, a symmetric clamping plate 6 is fixedly connected above the symmetric moving plate 15, and a plurality of top columns 7 are slidably connected to the inner side of the symmetric clamping plate 6. The ceramic tube shell 2 is positioned through the positioning holes 10 to ensure that the ceramic tube shell 2 is in the correct position and posture before welding, avoid welding defects caused by position deviation, and the symmetric clamping plate 6 fixes the ceramic tube shell 2 to prevent it from displacing or deforming during the welding process, improving the welding precision.

[0023] In an embodiment of the present utility model, please refer to Figure 3 , a motor 12 is fixedly connected to the left rear side inside the base 1, a double-headed threaded rod 13 is fixedly connected to the driving part of the motor 12, and symmetric moving plates 15 are threadedly connected to both the left and right sides of the double-headed threaded rod 13. The motor 12 is started to drive the double-headed threaded rod 13 to rotate, which is convenient to drive the symmetric moving plates 15 to approach each other.

[0024] In an embodiment of the present utility model, please refer to Figure 1 andFigure 3 A support rod 14 is fixedly connected to the front side of the base 1, and symmetrical support plates 5 are slidably connected to the left and right sides of the support rod 14. A symmetrical clamping plate 6 is fixedly connected above the symmetrical support plate 5. The support rod 14 is used to support and limit the symmetrical support plate 5, so that the symmetrical support plate 5 can only move along the support rod 14.

[0025] In the embodiments of the present invention, please refer to Figure 1 A second symmetrical slot 4 is provided on the front side of the top of the base 1 , and a symmetrical support plate 5 is slidably connected inside the second symmetrical slot 4 . The second symmetrical slot 4 is used for limiting so that the symmetrical support plate 5 moves along the second symmetrical slot 4 .

[0026] In the embodiments of the present invention, please refer to Figure 2 and Figure 3 A cylinder 16 is fixedly connected to the middle of the base 1, and a movable plate 17 is fixedly connected to the driving position of the cylinder 16. Positioning columns 11 are fixedly connected to the top and sides of the movable plate 17. The positioning columns 11 are slidably connected to the inside of the positioning hole 10. The cylinder 16 is started through the operating table 8 to drive the movable plate 17 to move upward, drive the positioning columns 11 to move upward, and insert them into the positioning hole 10, so as to facilitate the fixing of the ceramic tube shell 2.

[0027] In the embodiments of the present invention, please refer to Figure 4 A plurality of reset springs 18 are fixedly connected to the outside of the symmetrical clamping plate 6, and the other end of the reset spring 18 is fixedly connected to the top column 7. The right side of the top column 7 is fixedly connected to a limiting block 19. Under the action of the reset spring 18, the top column 7 presses the ceramic tube shell 2 to facilitate fixing the ceramic tube shell 2, and the limiting block 19 prevents the top column 7 from separating from the symmetrical clamping plate 6 and affecting the use of the device.

[0028] In the embodiments of the present invention, please refer to Figure 1 An operating table 8 is fixedly connected to the left side of the front side of the base 1, and the operating table 8 is used to control the startup of the internal components of the device.

[0029] The working principle of the precision ceramic tube shell welding positioning tool provided by the utility model is as follows: first, the ceramic tube shell 2 is placed on the placement plate 20, and the cylinder 16 is started through the operating table 8 to drive the movable plate 17 to move upward, drive the positioning column 11 to move upward, and insert it into the positioning hole 10 to ensure that the ceramic tube shell 2 is in the correct position and posture before welding to avoid welding defects caused by position deviation, and then start the motor 12 to drive the double-headed threaded rod 13 to rotate, drive the symmetrical movable plates 15 to approach each other, so that the symmetrical clamping plates 6 are close to each other, so that the top column 7 is in contact with the ceramic tube shell 2, and under the action of the reset spring 18, the ceramic tube shell 2 is pressed, thereby fixing the ceramic tube shell 2 to prevent it from displacement or deformation during welding, thereby improving welding accuracy.

[0030] The above are only embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. A precision ceramic shell welding positioning tool, characterized in that: include: A base (1), wherein a placement plate (20) is fixedly connected to the middle of the top of the base (1); Positioning holes (10), a ceramic tube shell (2) is placed on the placement plate (20), the left and right sides of the ceramic tube shell (2) are fixedly connected to fixing plates (9), and the front and rear sides of the fixing plates (9) are both provided with positioning holes (10); A top column (7), a first symmetrical empty slot (3) is arranged on the rear side of the top of the base (1), a symmetrical movable plate (15) is slidably connected to the first symmetrical empty slot (3), a symmetrical clamping plate (6) is fixedly connected above the symmetrical movable plate (15), and a plurality of top columns (7) are slidably connected to the inner side of the symmetrical clamping plate (6).

2. The precision ceramic shell welding positioning tool according to claim 1 is characterized in that: A motor (12) is fixedly connected to the left rear side of the base (1), a double-threaded rod (13) is fixedly connected to the driving part of the motor (12), and symmetrical moving plates (15) are threadedly connected to the left and right sides of the double-threaded rod (13).

3. The precision ceramic shell welding positioning tool according to claim 1 is characterized in that: A support rod (14) is fixedly connected to the front side of the base (1), and symmetrical support plates (5) are slidably connected to the left and right sides of the support rod (14), and a symmetrical clamping plate (6) is fixedly connected above the symmetrical support plate (5).

4. The precision ceramic shell welding positioning tool according to claim 1 is characterized in that: A second symmetrical empty slot (4) is provided on the front side of the top of the base (1), and a symmetrical support plate (5) is slidably connected inside the second symmetrical empty slot (4).

5. The precision ceramic shell welding positioning tool according to claim 1 is characterized in that: A cylinder (16) is fixedly connected in the middle of the base (1), a movable plate (17) is fixedly connected at the driving position of the cylinder (16), and positioning columns (11) are fixedly connected on all sides of the top of the movable plate (17), and the positioning columns (11) are slidably connected inside the positioning holes (10).

6. The precision ceramic shell welding positioning tool according to claim 1, characterized in that: A plurality of return springs (18) are fixedly connected to the inner and outer sides of the symmetrical clamping plate (6); the other end of the return spring (18) is fixedly connected to a top column (7); and the right side of the top column (7) is fixedly connected to a limiting block (19).

7. The precision ceramic shell welding positioning tool according to claim 1 is characterized in that: An operating table (8) is fixedly connected to the left front side of the base (1).