Clamping assembly for CCD (Charge Coupled Device) back drilling processing

Abstract

The utility model discloses a clamping assembly for CCD (charge coupled device) back drilling processing, which comprises a processing platform and a workpiece, the top end of the processing platform is connected with a plurality of movable seats through bolts, the top ends of the movable seats are provided with sliding top grooves, and two clamping tables are slidably mounted in each sliding top groove. I-shaped clamping plates are movably mounted at the top ends of the clamping tables, the machining platform is clamped between the I-shaped clamping plates and the clamping tables, and an outer inserting rod is fixedly mounted on the outer surface of one clamping table. According to the clamping device, the I-shaped clamping plate is pulled upwards, the outer edge of a workpiece is clamped between the clamping table and the I-shaped clamping plate, at the moment, the I-shaped clamping plate is loosened, the I-shaped clamping plate can descend under the action of elastic potential energy and gravity of the compression spring, and therefore the workpiece is clamped between the clamping table and the I-shaped clamping plate; and the clamping table can slide in the sliding top groove, so that the device can clamp workpieces with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of back drilling processing, in particular to a clamping component for CCD back drilling processing. Background Art

[0002] Back drilling is a special type of controlled depth drilling. It can be used to realize buried blind holes. By controlling the hole depth, the unnecessary copper-plated holes are drilled out, leaving only the required inter-layer interconnections. For blind holes in multi-layer boards, all vias are made as through holes during board making, and then the vias that are not through holes are drilled out from the back at last to achieve the effect of blind holes, which can save the process of drilling holes separately and then crimping them.

[0003] When using the existing back drilling processing clamping assembly, different clamping tools are often required due to the different sizes of the workpiece being processed, which is very inconvenient. In addition, the clamping usually requires covering a large area of ​​the workpiece surface, which makes the back drilling processing inconvenient. Therefore, it does not meet the existing needs. We propose a CCD back drilling processing clamping assembly. Utility Model Content

[0004] The purpose of the utility model is to provide a clamping assembly for CCD back drilling processing, so as to solve the problems that the clamping assembly for back drilling processing proposed in the above background technology often needs to use different clamping tools due to the different sizes of the workpieces being processed, which is very inconvenient, and the clamping usually requires covering a large area of ​​the workpiece surface, resulting in inconvenience in back drilling processing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping assembly for CCD back drilling processing, including a processing platform and a workpiece, the top of the processing platform is connected with a plurality of movable seats by bolts, the top of the movable seats are each provided with a sliding top groove, the interior of the sliding top groove is each slidably installed with two clamping tables, the top of the clamping tables is each movably installed with an I-shaped clamping plate, and the processing platform is clamped at a position between the I-shaped clamping plate and the clamping table.

[0006] Preferably, an insert outer rod is fixedly installed on the outer surface of one of the clamping tables, and an insert inner rod is fixedly installed on the outer surface of the other clamping table. The insert inner rod is movably inserted into the interior of the insert outer rod. A thick spring is movably installed between the two clamping tables, and the insert outer rod and the insert inner rod are both located on the inner side of the thick spring.

[0007] Preferably, both side surfaces of the movable seat are provided with sliding side grooves, the outer surface of the clamping table close to the workpiece is provided with a retaining ring, connecting rods are fixedly installed on both sides of the retaining ring, sliding blocks are fixedly installed at the ends of the connecting rods, and the sliding blocks are slidably inserted into the interior of the sliding side grooves.

[0008] Preferably, a limiting threaded rod is movably installed on the outer surface of the connecting rod, the limiting threaded rod is threadedly connected to the connecting rod and the sliding block, and one end of the inner side of the limiting threaded rod is fitted with the inner surface of the sliding side groove.

[0009] Preferably, a lifting groove is provided inside the top of the clamping table, a fixed column is fixedly installed inside the lifting groove, a telescopic groove is provided on the bottom surface of the I-shaped clamping plate, the fixed column is movably inserted into the inside of the telescopic groove, and a compression spring is movably installed between the fixed column and the inside of the I-shaped clamping plate.

[0010] Preferably, a T-shaped slider is fixedly installed at the bottom end of the clamping table, and the T-shaped slider is slidably inserted into the interior of the sliding top groove.

[0011] Preferably, connection blocks are fixedly mounted on the other two sides of the movable seat, and the connection blocks are slidably inserted into the interior of the sliding side grooves.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model cooperates with the clamping table and the I-shaped clamping plate, so that when the device is in use, the I-shaped clamping plate can be pulled upward to clamp the outer edge of the workpiece between the clamping table and the I-shaped clamping plate. At this time, the I-shaped clamping plate is released, and the I-shaped clamping plate will be lowered by the elastic potential energy of the compression spring and the gravity, so that the workpiece is clamped in the position between the clamping table and the I-shaped clamping plate, and the clamping table can be slid inside the sliding top groove, so that the device can clamp workpieces of different sizes;

[0014] 2. The utility model cooperates with the plug-in outer rod and the plug-in inner rod. When one of the clamping tables clamps the workpiece, the other clamping table will press against one side of the inside of the sliding top groove through the elastic action of the thick spring, and at the same time apply force to the clamping table clamping the workpiece to move it to the other side of the sliding top groove, thereby increasing the clamping force of the clamping table on the workpiece and preventing the workpiece from falling off between the clamping table and the workpiece clamping plate;

[0015] 3. The utility model cooperates with the retaining ring and the limiting threaded rod. When the workpiece is clamped by the clamping table, the connecting rod can be moved inside the sliding side groove to make the retaining ring abut against the outer surface of the clamping table. Then, the limiting threaded rod is rotated to move the limiting threaded rod toward the inside of the sliding side groove to fix the position of the connecting rod, so that the clamping table that clamps the workpiece is blocked by the retaining ring to prevent it from moving outward and causing the workpiece to fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2It is a cross-sectional front view of the utility model as a whole;

[0018] Figure 3 For this utility model Figure 2 Schematic diagram of the local structure of part A;

[0019] Figure 4 It is a partial cross-sectional side view of the retaining ring position of the utility model.

[0020] In the figure: 1. Processing platform; 2. Workpiece; 3. Movable seat; 4. Clamping table; 5. I-type clamping plate; 6. Sliding side groove; 7. Retaining ring; 8. Connecting rod; 9. Lifting groove; 10. Fixed column; 11. Telescopic groove; 12. Compression spring; 13. Sliding top groove; 14. T-type slider; 15. Limiting threaded rod; 16. Sliding block; 17. Connecting block; 18. Plug-in outer rod; 19. Plug-in inner rod; 20. Thick spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figures 1 to 4 The utility model provides an embodiment: a clamping assembly for CCD back drilling processing, including a processing platform 1 and a workpiece 2, the top of the processing platform 1 is connected with a plurality of movable seats 3 by bolts, the top of the movable seats 3 are each provided with a sliding top groove 13, the interior of the sliding top groove 13 is slidably installed with two clamping tables 4, the top of the clamping tables 4 are each movably installed with a type clamping plate 5, the processing platform 1 is clamped at a position between the type clamping plate 5 and the clamping table 4, the outer surface of one of the clamping tables 4 is fixedly installed with a plug-in outer rod 18, the outer surface of the other clamping table 4 is fixedly installed with a plug-in inner rod 19, the plug-in inner rod 19 is movably inserted into the interior of the plug-in outer rod 18, a thick spring 20 is movably installed between the two clamping tables 4, and the plug-in outer rod 18 and the plug-in inner rod 19 are both located on the inner side of the thick spring 20.

[0023] By means of the cooperation of the plug-in outer rod 18 and the plug-in inner rod 19, when one of the clamping platforms 4 is clamping the workpiece 2, the other clamping platform 4 will press against one side of the inside of the sliding top groove 13 through the elastic action of the thick spring 20, and at the same time apply force to the clamping platform 4 clamping the workpiece 2 to move it to the other side of the sliding top groove 13, thereby increasing the clamping force of the clamping platform 4 on the workpiece 2 and preventing the workpiece 2 from falling off from between the clamping platform 4 and the workpiece clamping plate 5.

[0024] Sliding side grooves 6 are provided on both side surfaces of the movable seat 3, and retaining rings 7 are provided on the outer surfaces of the clamping table 4 close to the workpiece 2. Connecting rods 8 are fixedly installed on both sides of the retaining rings 7, and sliding blocks 16 are fixedly installed at the ends of the connecting rods 8. The sliding blocks 16 are slidably inserted into the interior of the sliding side grooves 6. Limiting threaded rods 15 are movably installed on the outer surfaces of the connecting rods 8. The limiting threaded rods 15 are threadedly connected to the connecting rods 8 and the sliding blocks 16, and one end of the inner side of the limiting threaded rods 15 fits with the inner surface of the sliding side groove 6.

[0025] Through the cooperation of the retaining ring 7 and the limiting threaded rod 15, when the workpiece 2 is clamped by the clamping table 4, the connecting rod 8 can be moved inside the sliding side groove 6 to make the retaining ring 7 abut against the outer surface of the clamping table 4, and then the limiting threaded rod 15 is rotated to move the limiting threaded rod 15 toward the inside of the sliding side groove 6 to fix the position of the connecting rod 8, so that the clamping table 4 that clamps the workpiece 2 is blocked by the retaining ring 7 to prevent it from moving outward and causing the workpiece 2 to fall off.

[0026] A lifting groove 9 is provided inside the top of the clamping table 4, and a fixed column 10 is fixedly installed inside the lifting groove 9. A telescopic groove 11 is provided on the bottom surface of the I-shaped clamping plate 5. The fixed column 10 is movably inserted into the inside of the telescopic groove 11, and a compression spring 12 is movably installed between the fixed column 10 and the inside of the I-shaped clamping plate 5.

[0027] Through the cooperation between the clamping table 4 and the I-shaped clamping plate 5, when the device is in use, the I-shaped clamping plate 5 can be pulled upwards and the outer edge of the workpiece 2 can be clamped between the clamping table 4 and the I-shaped clamping plate 5. At this time, the I-shaped clamping plate 5 is released, and the I-shaped clamping plate 5 will be lowered due to the elastic potential energy of the compression spring 12 and the gravity, thereby clamping the workpiece 2 in the position between the clamping table 4 and the I-shaped clamping plate 5, and the clamping table 4 can be slid inside the sliding top groove 13 to enable the device to clamp workpieces 2 of different sizes.

[0028] The bottom ends of the clamping platforms 4 are all fixedly mounted with T-shaped sliding blocks 14 , and the T-shaped sliding blocks 14 are all slidably inserted into the interior of the sliding top grooves 13 .

[0029] The other two sides of the movable seat 3 are fixedly mounted with connecting blocks 17 , and the connecting blocks 17 are slidably inserted into the interior of the sliding side grooves 6 .

[0030] When the clamping assembly for CCD back drilling processing is used, first, according to the size of the workpiece 2, multiple movable seats 3 are installed on the surface of the processing platform 1 through threads, and then the workpiece 2 is clamped between the clamping table 4 and the workpiece clamping plate 5 by pulling the workpiece clamping plate 5 upward. At this time, the workpiece clamping plate 5 is released, and the workpiece clamping plate 5 will be lowered by the elastic potential energy of the compression spring 12 and the gravity, so that the workpiece 2 is clamped in the position between the clamping table 4 and the workpiece clamping plate 5, and the device can clamp workpieces 2 of different sizes by sliding the clamping table 4 inside the sliding top groove 13.

[0031] When one of the clamping platforms 4 is clamping the workpiece 2, the other clamping platform 4 will press against one side of the inside of the sliding top groove 13 through the elastic action of the thick spring 20, and at the same time apply force to the clamping platform 4 clamping the workpiece 2 to move it to the other side of the sliding top groove 13, thereby increasing the clamping force of the clamping platform 4 on the workpiece 2 and preventing the workpiece 2 from falling off between the clamping platform 4 and the I-shaped clamping plate 5.

[0032] After the workpiece 2 is clamped by the clamping table 4, the connecting rod 8 can be moved inside the sliding side groove 6 to make the retaining ring 7 abut against the outer surface of the clamping table 4, and then the limiting threaded rod 15 is rotated to move the limiting threaded rod 15 toward the inside of the sliding side groove 6 to fix the position of the connecting rod 8, so that the clamping table 4 that clamps the workpiece 2 is blocked by the retaining ring 7 to prevent it from moving outward and causing the workpiece 2 to fall off.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A clamping assembly for CCD back drilling processing, comprising a processing platform (1) and a workpiece (2), characterized in that: The top of the processing platform (1) is connected to a plurality of movable seats (3) via bolts, the tops of the movable seats (3) are each provided with a sliding top groove (13), two clamping tables (4) are slidably mounted inside the sliding top groove (13), the tops of the clamping tables (4) are each movably mounted with an I-shaped clamping plate (5), and the processing platform (1) is clamped at a position between the I-shaped clamping plate (5) and the clamping table (4).

2. The clamping assembly for CCD back drilling processing according to claim 1, characterized in that: An insert outer rod (18) is fixedly mounted on the outer surface of one of the clamping platforms (4), and an insert inner rod (19) is fixedly mounted on the outer surface of the other clamping platform (4); the insert inner rod (19) is movably inserted into the insert outer rod (18); a thick spring (20) is movably mounted between the two clamping platforms (4); the insert outer rod (18) and the insert inner rod (19) are both located on the inner side of the thick spring (20).

3. The clamping assembly for CCD back drilling processing according to claim 1, characterized in that: The surfaces of both sides of the movable seat (3) are provided with sliding side grooves (6), the outer surface of the clamping table (4) close to the workpiece (2) is provided with a retaining ring (7), connecting rods (8) are fixedly installed on both sides of the retaining ring (7), and sliding blocks (16) are fixedly installed at the ends of the connecting rods (8), and the sliding blocks (16) are slidably inserted into the interior of the sliding side grooves (6).

4. The clamping assembly for CCD back drilling processing according to claim 3, characterized in that: The outer surface of the connecting rod (8) is movably mounted with a limit threaded rod (15), the limit threaded rod (15) is threadedly connected to the connecting rod (8) and the sliding block (16), and one end of the inner side of the limit threaded rod (15) is in contact with the inner surface of the sliding side groove (6).

5. The clamping assembly for CCD back drilling processing according to claim 1, characterized in that: The top of the clamping platform (4) is provided with a lifting groove (9), and a fixing column (10) is fixedly installed inside the lifting groove (9). The bottom surface of the I-shaped clamping plate (5) is provided with a telescopic groove (11), and the fixing column (10) is movably inserted into the inside of the telescopic groove (11). A compression spring (12) is movably installed between the fixing column (10) and the inside of the I-shaped clamping plate (5).

6. The clamping assembly for CCD back drilling processing according to claim 1, characterized in that: A T-shaped slider (14) is fixedly mounted on the bottom end of each of the clamping tables (4), and each of the T-shaped sliders (14) is slidably inserted into the interior of the sliding top groove (13).

7. The clamping assembly for CCD back drilling processing according to claim 1, characterized in that: The other two sides of the movable seat (3) are fixedly mounted with connection blocks (17), and the connection blocks (17) are slidably inserted into the interior of the sliding side grooves (6).

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