Sintered silver soldering paste pressure sintering fixing clamp

Abstract

The utility model belongs to the technical field of sintering of sintered silver soldering paste, and particularly discloses a sintered silver soldering paste pressure sintering fixing clamp which comprises an installation base, a movable chuck, a supporting block, a first spring, a second spring and a movable tube core. The supporting block, the movable tube core and the movable chuck are sequentially arranged in the first linear direction. The first spring is used for pushing the movable tube core to be away from the supporting block. The second spring is used for pushing the movable chuck away from the supporting block; a first arc-shaped groove is formed in the side, facing the movable tube core, of the supporting block, a second arc-shaped groove is formed in the side, facing the movable tube core, of the movable clamping head, and when the movable clamping head moves towards the supporting block, the second arc-shaped groove and the first arc-shaped groove are used for clamping a circular tube type device on the movable tube core. And clamping pressure is applied to the circular-tube-shaped device on the movable tube core to finish sintering connection, so that the purpose of clamping the circular-tube-shaped device is achieved, the circular-tube-shaped device can be prevented from shaking randomly, and pressurized sintering connection between the chip and the tube is precisely finished.

Description

Technical Field

[0001] The utility model relates to the technical field of sintering silver solder paste, in particular to a pressurized sintering and fixing clamp for sintering silver solder paste. Background Art

[0002] As the application areas of sintered silver solder paste continue to expand, the shapes of devices that need to be sintered are becoming more and more diverse. For the sintering of round tube-type devices, since their appearance is cylindrical, and the clamping position of the ordinary sintering fixture is flat when clamping and sintering, the round tube-type device is easy to shift during pressure sintering, resulting in the inability to accurately complete the pressure sintering connection between the chip and the tube; and after the pressure sintering is completed, the round tube-type device fits the position of the clamping groove, and it is difficult to use pliers or other clamping tools to remove the device, and it is difficult to remove the device from the fixture. Utility Model Content

[0003] The purpose of the utility model is to provide a sintered silver solder paste pressure sintering fixing fixture to solve the technical problems in the prior art that the round tube-shaped device clamped by the fixture is easy to shift during pressure sintering, and it is difficult to use clamps or other clamping tools to take out the device after the pressure sintering is completed.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a sintering silver solder paste pressurized sintering fixing fixture, which includes: a mounting base, a movable chuck, a support block, a first spring, a second spring, and a movable tube core; the movable tube core is cylindrical, the support block is fixedly arranged on the mounting base, the support block, the movable tube core, and the movable chuck are arranged in sequence along a first straight line direction, the movable tube core and the movable chuck can slide along the first straight line direction, and the movable tube core and the movable chuck are both slidably connected to the mounting base; the first spring is located between the support block and the movable tube core, and the first spring is used to push the movable tube core away from the support block; the second spring is located between the support block and the movable chuck, and the second spring is used to push the movable chuck away from the support block; the support block is provided with a first arc groove on one side facing the movable tube core, and the movable chuck is provided with a second arc groove on one side facing the movable tube core, and the second arc groove of the movable chuck is used to cooperate with the first arc groove of the support block to clamp the round tube-shaped device located on the movable tube core.

[0005] Preferably, the mounting base is provided with a T-shaped slot, the support block has a fixing portion extending into the T-shaped slot, and the fixing portion is fixedly connected to the mounting base.

[0006] Preferably, the fixing portion is provided with a first blind hole, the first spring is a compression spring, one end of the first spring extends into the first blind hole, and the other end of the first spring abuts against the movable tube core.

[0007] Preferably, the T-slot extends along the first straight line direction.

[0008] Preferably, the movable chuck is provided with a sliding block slidably connected to the T-slot.

[0009] Preferably, the T-slot is provided with a first waist-shaped hole at a position corresponding to the slider, the straight direction of the first waist-shaped hole is parallel to the first straight direction, and the slider is provided with a limiting column extending to the first waist-shaped hole.

[0010] Preferably, the T-slot is provided with a second waist-shaped hole, the straight line direction of the second waist-shaped hole is parallel to the first straight line direction, and the movable tube core is slidably connected to the second waist-shaped hole.

[0011] Preferably, the movable tube core is provided with a sliding column extending to the second waist-shaped hole, and the movable tube core is slidably connected to the second waist-shaped hole through the sliding column.

[0012] Preferably, the mounting base is provided with avoidance grooves on both sides of the movable tube core.

[0013] Preferably, the movable chuck is provided with a second blind hole, the second spring is a compression spring, one end of the second spring extends into the second blind hole, and the other end of the second spring abuts against the movable tube core.

[0014] The sintering silver solder paste pressure sintering fixing fixture provided by the utility model has the following beneficial effects: the movable tube core and the movable chuck can both move along the first straight line direction, and when the movable chuck moves toward the supporting block, the second arc groove and the first arc groove are used to clamp the round tube type device on the movable tube core, and the clamping pressure is applied to the round tube type device on the movable tube core to complete the sintering connection, thereby achieving the purpose of clamping the round tube type device, preventing the round tube type device from shaking at will, and accurately completing the pressure sintering connection between the chip and the tube; when the pressure sintering connection is completed, the entire pressure sintering fixing fixture is taken out of the pressure sintering furnace, and the movable chuck loses the pressure of the furnace, then the movable chuck and the movable tube core will be away from the supporting block, so that the insertion interval between the movable tube core and the first arc groove is restored, and the insertion interval between the movable tube core and the second arc groove is also restored, so that the worker can use the clamp or other clamping tools to take the round tube type device out of the movable tube core, and it is convenient for the worker to remove the processed round tube type device from the fixture, thereby improving the unloading efficiency.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of a pressurized sintering and fixing fixture for sintering silver solder paste according to an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the decomposed fixing fixture for pressurized sintering of sintered silver solder paste according to the embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the state when the movable clamp and the support block of the sintered silver solder paste pressure sintering fixing clamp of the embodiment of the utility model are clamped together;

[0019] Figure 4 It is a structural schematic diagram of a support block of an embodiment of the utility model;

[0020] Figure 5 It is a structural schematic diagram of another perspective of the sintered silver solder paste pressurized sintering fixing fixture of the embodiment of the utility model.

[0021] In the figure, 100, mounting base; 110, T-slot; 120, first waist-shaped hole; 130, second waist-shaped hole; 140, avoidance groove; 200, movable chuck; 210, second arc-shaped groove; 220, slider; 230, limiting column; 300, supporting block; 310, first arc-shaped groove; 320, fixing part; 321, first blind hole; 400, first spring; 500, second spring; 600, movable tube core; 610, sliding column. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0026] Please also read Figures 1 to 5 Now, the sintered silver solder paste pressure sintering fixing fixture provided in the embodiment of the utility model is described.

[0027] like Figure 1 , Figure 2 As shown, the sintered silver solder paste pressurized sintering fixing fixture of the embodiment of the utility model comprises: a mounting base 100, a movable chuck 200, a support block 300, a first spring 400, a second spring 500, and a movable tube core 600; the movable tube core 600 is cylindrical, the support block 300 is fixedly arranged on the mounting base 100, the support block 300, the movable tube core 600, and the movable chuck 200 are arranged in sequence along a first straight line direction, the movable tube core 600 and the movable chuck 200 can slide along the first straight line direction, and the movable tube core 600 and the movable chuck 200 are both slidably connected to the mounting base 100; the first spring 400 is located between the support block 300 and the The movable tube core 600 is disposed between the movable tube core 600, and the first spring 400 is used to push the movable tube core 600 away from the support block 300; the second spring 500 is located between the support block 300 and the movable chuck 200, and the second spring 500 is used to push the movable chuck 200 away from the support block 300; the support block 300 is provided with a first arc groove 310 on the side facing the movable tube core 600, and the movable chuck 200 is provided with a second arc groove 210 on the side facing the movable tube core 600, and the second arc groove 210 of the movable chuck 200 is used to cooperate with the first arc groove 310 of the support block 300 to clamp the round tube-shaped device located on the movable tube core 600. The first straight line direction is as follows Figure 1 Direction A shown.

[0028] The movable tube core 600 and the movable chuck 200 can both move back and forth in the first straight line direction, and the movable tube core 600 is pushed by the first spring 400, and the movable chuck 200 is pushed by the second spring 500. When the movable chuck 200 is not subjected to external force, there is an insertion gap between the movable tube core 600 and the first arc groove 310, and there is also an insertion gap between the movable tube core 600 and the second arc groove 210. Figure 1 As shown, sufficient space can be left for workers to put the round tube-shaped device on the cylindrical movable tube core 600, so that the workers can load or unload materials at the movable tube core 600 conveniently.

[0029] When in use, a worker can put a round tube-shaped device on the cylindrical movable tube core 600, and then put the entire pressure sintering fixture into a pressure sintering furnace, and drive the movable clamp block to move toward the support groove through the top of the furnace, so as to clamp the round tube-shaped device (such as the cylindrical movable tube core 600) on the movable tube core 600 by using the second arc groove 210 and the first arc groove 310. Figure 3 As shown), and applying clamping pressure to the circular tube-shaped device on the movable tube core 600 to complete the sintering connection, the purpose of clamping the circular tube-shaped device is achieved, the circular tube-shaped device can be prevented from shaking at will, and the pressure sintering connection between the chip and the tube is accurately completed; when the pressure sintering connection is completed, the entire pressure sintering fixing fixture is taken out of the pressure sintering furnace, and the movable chuck 200 loses the pressurization of the furnace, then the movable chuck 200 and the movable tube core 600 will be away from the support block 300, so that the insertion interval between the movable tube core 600 and the first arc groove 310 is restored, and the insertion interval between the movable tube core 600 and the second arc groove 210 is also restored, so that the worker can use pliers or other clamping tools to remove the circular tube-shaped device from the movable tube core 600, which is convenient for the worker to remove the processed circular tube-shaped device from the fixture, thereby improving the unloading efficiency.

[0030] In some embodiments of the present invention, referring to Figures 1 to 4 The mounting base 100 is provided with a T-slot 110, and the support block 300 has a fixing portion 320 extending into the T-slot 110, and the fixing portion 320 is fixedly connected to the mounting base 100. The T-slot 110 is convenient for processing, and the fixing portion 320 of the support block 300 can be directly fixedly mounted on the mounting base 100 by screws, so that the support block 300 can be better mounted on the mounting base 100, which is convenient for the production of the fixture.

[0031] In some embodiments of the present invention, referring to Figure 4 and Figure 5The fixing portion 320 is provided with a first blind hole 321, the first spring 400 is a compression spring, one end of the first spring 400 extends into the first blind hole 321, and the other end of the first spring 400 abuts against the movable tube core 600. The compression spring is used to provide thrust for the movable tube core 600, and the first blind hole 321 prevents the compression spring from shaking randomly, ensuring that the first spring 400 can push the movable tube core 600 to move.

[0032] In some embodiments of the present invention, referring to Figure 1 and Figure 2 The T-slot 110 extends along the first straight line direction, so that the movable chuck 200 and the movable tube core 600 can be located in the T-slot 110 to facilitate installation of the movable chuck 200 and the movable tube core 600 .

[0033] In some embodiments of the present invention, referring to Figure 1 and Figure 2 The movable chuck 200 is provided with a slider 220 slidably connected to the T-slot 110. The movable chuck 200 is connected to the mounting base 100 through the slider 220, so that the movable chuck 200 can move on the mounting base 100 better.

[0034] In some embodiments of the present invention, referring to Figure 1 , Figure 2 , Figure 5 The T-slot 110 is provided with a first waist-shaped hole 120 at a position corresponding to the slider 220, the linear direction of the first waist-shaped hole 120 is parallel to the first linear direction, and the slider 220 is provided with a limiting column 230 extending to the first waist-shaped hole 120. The limiting column 230 is a mounting bolt, and a threaded hole can be opened in the slider 220, and then the mounting bolt is connected to the threaded hole, so that the mounting bolt forms the limiting column 230, which facilitates the installation of the movable chuck 200 on the mounting base 100. The first waist-shaped hole 120 is used to limit the movable travel of the movable chuck 200 to prevent the movable chuck 200 from falling off from the T-slot 110.

[0035] In some embodiments of the present invention, referring to Figure 1 , Figure 2 , Figure 5The T-slot 110 is provided with a second waist-shaped hole 130, the linear direction of the second waist-shaped hole 130 is parallel to the first linear direction, and the movable tube core 600 is slidably connected with the second waist-shaped hole 130. The second waist-shaped hole 130 can limit the movable travel of the movable tube core 600, preventing the movable tube core 600 from slipping out of the T-slot 110 under the push of the first spring 400, and can also keep a certain distance between the movable tube core 600 and the movable chuck 200, preventing the movable tube core 600 and the movable chuck 200 from being too close without external force, so that workers can load and unload materials for the fixture.

[0036] In some embodiments of the present invention, referring to Figure 1 , Figure 2 , Figure 5 The movable tube core 600 is provided with a sliding column 610 extending to the second waist-shaped hole 130, and the movable tube core 600 is slidably connected with the second waist-shaped hole 130 through the sliding column 610. The sliding column 610 is provided with a threaded hole, and the threaded hole can be installed at the second waist-shaped hole 130 by a mounting bolt to ensure that the movable tube core 600 will not be separated from the second waist-shaped hole 130.

[0037] In some embodiments of the present invention, referring to Figure 1 , Figure 2 The mounting base 100 is provided with avoidance grooves 140 on both sides of the movable tube core 600. The avoidance grooves 140 are used to avoid the movable tube core 600, so as to leave enough space on both sides of the movable tube core 600, so as to facilitate workers to put the round tube-shaped device on the movable tube core 600, and also facilitate workers to remove the round tube-shaped device from the movable tube core 600.

[0038] In some embodiments of the present invention, the movable chuck 200 is provided with a second blind hole (not shown in the figure), the second spring 500 is a compression spring, one end of the second spring 500 extends into the second blind hole, and the other end of the second spring 500 abuts against the movable tube core 600. The compression spring is used to provide thrust for the movable chuck 200, and the second blind hole can prevent the compression spring from shaking randomly, ensuring that the first spring 400 can push the movable chuck 200 to move.

[0039] In summary, the movable tube core 600 and the movable chuck 200 of the present embodiment can both move along the first straight line direction. When the movable chuck 200 moves toward the support block 300, the second arc groove 210 and the first arc groove 310 are used to clamp the circular tube-shaped device on the movable tube core 600, and the clamping pressure is applied to the circular tube-shaped device on the movable tube core 600 to complete the sintering connection, thereby achieving the purpose of clamping the circular tube-shaped device, preventing the circular tube-shaped device from shaking at will, and accurately completing the pressurized sintering connection between the chip and the tube; when the pressurized sintering connection is completed, After completion, the entire pressure sintering fixing fixture is taken out from the pressure sintering furnace. The movable chuck 200 loses the pressure of the furnace, and the movable chuck 200 and the movable tube core 600 will move away from the support block 300, so that the insertion interval between the movable tube core 600 and the first arc groove 310 is restored, and the insertion interval between the movable tube core 600 and the second arc groove 210 is also restored, so that workers can use pliers or other clamping tools to remove the round tube type device from the movable tube core 600, which is convenient for workers to remove the processed round tube type device from the fixture, thereby improving the unloading efficiency.

[0040] The above are only preferred implementations of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A sintered silver solder paste pressure sintering fixture, characterized in that: include: A mounting base, a movable chuck, a support block, a first spring, a second spring, and a movable tube core; the movable tube core is cylindrical, the support block is fixedly arranged on the mounting base, the support block, the movable tube core, and the movable chuck are arranged in sequence along a first straight line direction, the movable tube core and the movable chuck can slide along the first straight line direction, and the movable tube core and the movable chuck are both slidably connected to the mounting base; The first spring is located between the support block and the movable tube core, and the first spring is used to push the movable tube core away from the support block; the second spring is located between the support block and the movable clamp, and the second spring is used to push the movable clamp away from the support block; the support block is provided with a first arc groove on the side facing the movable tube core, and the movable clamp is provided with a second arc groove on the side facing the movable tube core, and the second arc groove of the movable clamp is used to cooperate with the first arc groove of the support block to clamp the round tube-shaped device located on the movable tube core.

2. The sintered silver solder paste pressure sintering fixing fixture according to claim 1, characterized in that: The mounting base is provided with a T-shaped slot, and the support block has a fixing portion extending into the T-shaped slot, and the fixing portion is fixedly connected to the mounting base.

3. The sintered silver solder paste pressure sintering fixing fixture according to claim 2, characterized in that: The fixing portion is provided with a first blind hole, the first spring is a compression spring, one end of the first spring extends into the first blind hole, and the other end of the first spring abuts against the movable tube core.

4. The sintered silver solder paste pressure sintering fixing fixture according to claim 2, characterized in that: The T-shaped slot extends along the first straight line direction.

5. The sintered silver solder paste pressure sintering fixing fixture according to claim 4, characterized in that: The movable chuck is provided with a sliding block which is slidably connected with the T-slot.

6. The sintered silver solder paste pressure sintering fixture according to claim 5, characterized in that: The T-slot is provided with a first waist-shaped hole at a position corresponding to the slider, the straight direction of the first waist-shaped hole is parallel to the first straight direction, and the slider is provided with a limiting column extending to the first waist-shaped hole.

7. The sintered silver solder paste pressure sintering fixture according to claim 4, characterized in that: The T-shaped slot is provided with a second waist-shaped hole, the straight line direction of the second waist-shaped hole is parallel to the first straight line direction, and the movable tube core is slidably connected with the second waist-shaped hole.

8. The sintered silver solder paste pressure sintering fixture according to claim 7, characterized in that: The movable tube core is provided with a sliding column extending to the second waist-shaped hole, and the movable tube core is slidably connected with the second waist-shaped hole through the sliding column.

9. The sintered silver solder paste pressure sintering fixing fixture according to claim 7, characterized in that: The mounting base is provided with avoidance grooves on both sides of the movable tube core.

10. The sintered silver solder paste pressure sintering fixing fixture according to claim 1, characterized in that: The movable clamp is provided with a second blind hole, the second spring is a compression spring, one end of the second spring extends into the second blind hole, and the other end of the second spring abuts against the movable tube core.

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