Multi-ejector-pin stripping mechanism

Abstract

The utility model discloses a multi-ejector-pin stripping mechanism, and relates to the technical field of multi-ejector-pin stripping mechanisms. Comprising a first motor, a first guide rail, a connecting rod assembly, a mounting base, a second guide rail, an air cylinder, a needle cap fixing base, a needle rod mounting block, a third guide rail, a first bearing, a cam, a second motor, a needle cap assembly, a gas circuit module connected with the needle cap fixing base and a multi-ejector-pin assembly connected with the needle rod mounting block. The installation seat is located in front of the first motor and fixedly connected with the first guide rail, the air cylinder is located on the front portion of the installation seat, an output shaft of the air cylinder is fixedly connected with the needle cap fixing seat, the needle cap fixing seat is fixedly connected with the second guide rail and the third guide rail, and the needle cap assembly is located on one side of the outer portion of the needle cap fixing seat and fixedly connected with the needle cap fixing seat. According to the multi-ejector-pin stripping mechanism, the number of ejector pins of the multi-ejector-pin assembly is selected, so that the multi-ejector-pin stripping mechanism can be suitable for stripping actions of chips with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-thimble stripping mechanisms, in particular to a multi-thimble stripping mechanism. Background Art

[0002] CIS chip production is mainly divided into three links, namely upstream epitaxial wafer manufacturing, midstream chip production, and downstream chip packaging. The upstream and midstream account for about 70% of the industry's profits, while CIS chip sorting is in the midstream field. At the same time, due to the rapid development of the CIS market, downstream companies have higher and higher requirements for the efficiency and accuracy of such chip testing and sorting equipment, and the factors that affect the speed and accuracy of CIS chip sorting equipment run through the entire chip sorting cycle. There are many factors that affect the chip arrangement accuracy, especially the chip stripping process and parameter settings when taking the chip, which directly affect the final chip placement effect.

[0003] Therefore, for CIS chip sorting equipment, it is necessary to provide a multi-ejector stripping mechanism that can strip chips with high efficiency and high precision, which has become an urgent problem to be solved by those skilled in the art;

[0004] To solve the above problem, this case proposes a multi-thimble stripping mechanism. Utility Model Content

[0005] The main purpose of the utility model is to provide a multi-thrust pin stripping mechanism, which can effectively solve the technical problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A multi-thimble stripping mechanism comprises a motor 1, a guide rail 1, a connecting rod assembly, a mounting seat, a guide rail 2, a cylinder, a needle cap fixing seat, a needle rod mounting block, a guide rail 3, a bearing 1, a cam, a motor 2, a needle cap assembly, an air path module connected to the needle cap fixing seat, and a multi-thimble assembly connected to the needle rod mounting block, wherein the output shaft of the motor 1 is fixedly connected to the connecting rod assembly, the mounting seat is located in front of the motor 1, the mounting seat is fixedly connected to the guide rail 1, the cylinder is located in front of the mounting seat, the output shaft of the cylinder is fixedly connected to the needle cap fixing seat, the needle cap fixing seat is also fixedly connected to the guide rails 2 and 3, the needle cap assembly is located on one side of the outside of the needle cap fixing seat and is fixedly connected to the needle cap fixing seat, the needle rod mounting block is fixedly connected to the bearing 1, and the bearing 1 is located at the top of the needle rod mounting block.

[0008] As a further solution of the utility model, the needle cap fixing seat is located in front of the guide rail two, and the guide rail three is located in front of the needle cap fixing seat.

[0009] As a further solution of the utility model, a second motor is fixedly installed on the front of the needle cap fixing seat, and a cam is fixedly installed on the outside of the second motor.

[0010] As a further solution of the utility model, the connecting rod assembly includes a bearing connecting rod one, a screw one, a bearing two, a connecting rod seat, a bearing three, a bearing connecting rod two, the bearing three is inserted into the connecting rod seat, the bearing connecting rod two is inserted into the bearing three, and the connecting rod seat, the bearing three, and the bearing connecting rod two are fixedly connected.

[0011] As a further solution of the utility model, the second bearing is inserted into the connecting rod seat, the bearing connecting rod one is inserted into the second bearing, and the connecting rod seat, the second bearing and the bearing connecting rod one are fixedly connected, and the screw one is located on the outer side of the bearing connecting rod one.

[0012] As a further solution of the utility model, it includes a connecting rod, a multi-needle fixing seat, a ejector pin, screw two, screw three, the multi-needle fixing seat is fixedly connected to the connecting rod by screw three, the ejector pin is located in front of the multi-needle fixing seat, the connecting rod is located behind the multi-needle fixing seat, and a flat plate is arranged in front of the ejector pin.

[0013] As a further solution of the utility model, the needle cap assembly includes a needle cap mounting seat, a positioning pin, a needle cap, and a locking ring. The positioning pin is fixedly connected to the needle cap mounting seat, the locking ring is threadedly connected to the needle cap mounting seat, the needle cap is located in front of the needle cap mounting seat, and the needle cap is connected to the needle cap mounting seat through the locking ring.

[0014] The beneficial effects of the utility model are as follows:

[0015] This technology uses a motor-driven connecting rod assembly, a cylinder-driven needle cap fixing seat and a motor-driven needle rod mounting block to enable the multi-ejector mechanism to move up and down and forward and backward, thereby achieving high-precision and high-speed peeling of blue film chips by the multi-ejector mechanism;

[0016] This technology can be applied to the stripping action of different chip sizes by selecting the number of ejector pins of the multi-ejector assembly, that is, for small chips, a small number of ejector pins are selected; for large chips, a large number of ejector pins are selected, thereby improving the compatibility of the equipment and improving work efficiency;

[0017] This technology inserts ejectors into the holes of a multi-pin fixing seat, stands the multi-pin fixing seat upright, allows the multi-pins to fall freely on a flat plate, and then fixes the ejectors with screws, wherein the upper and lower surfaces of the flat plate are very flat and parallel; the ejectors can smoothly pass through the multiple holes of the needle cap assembly, thereby ensuring that the needle tips of the multi-pins are coplanar, avoiding damage or scratching of the chip, and improving the chip production quality;

[0018] The technology fixes the positioning pin on the needle cap mounting seat of the needle cap assembly, aligns the notch of the needle cap with the positioning pin, and then fixes the needle cap on the needle cap mounting seat through a locking ring, wherein the locking ring is threadedly fixed on the needle cap mounting seat. Each time the ejector pin is replaced, the positioning of the needle cap mounting seat and the positioning pin can make the multiple holes on the needle cap concentric with the multiple ejector pins, thereby avoiding ejector pin breakage and improving debugging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the multi-thimble stripping mechanism provided by the present invention;

[0020] Figure 2 It is a schematic diagram of the structure of the connecting rod assembly provided by the present invention;

[0021] Figure 3 It is a schematic diagram of the structure of a multi-thimble assembly provided by the present invention;

[0022] Figure 4 This is a schematic diagram of multi-thimble coplanar debugging provided by the present invention;

[0023] Figure 5 It is a schematic diagram of the structure of the needle cap assembly provided by the present invention.

[0024] In the figure: 1. Motor 1; 2. Guide rail 1; 3. Connecting rod assembly; 4. Mounting seat; 5. Guide rail 2; 6. Cylinder; 7. Needle cap fixing seat; 8. Needle rod mounting block; 9. Guide rail 3; 10. Bearing 1; 11. Cam; 12. Motor 2; 13. Needle cap assembly; 3-1. Bearing connecting rod 1; 3-2. Screw 1; 3-3. Bearing 2; 3-4. Connecting rod seat; 3-5. Bearing 3; 3-6. Bearing connecting rod 2; 14. Connecting rod; 15. Multi-needle fixing seat; 16. Ejector pin; 17. Screw 2; 18. Screw 3; 19. Needle cap mounting seat; 20. Positioning pin; 21. Needle cap; 22. Locking ring; 23. Flat plate. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1-5As shown, a multi-thimble stripping mechanism includes a motor 1, a guide rail 2, a connecting rod assembly 3, a mounting seat 4, a guide rail 2 5, a cylinder 6, a needle cap fixing seat 7, a needle rod mounting block 8, a guide rail 3 9, a bearing 10, a cam 11, a motor 2 12, a needle cap assembly 13, and an air path module connected to the needle cap fixing seat 7 and a multi-thimble assembly connected to the needle rod mounting block 8, wherein the output shaft of the motor 1 is fixedly connected to the connecting rod assembly 3, the mounting seat 4 is located in front of the motor 1, the mounting seat 4 is fixedly connected to the guide rail 2, the cylinder 6 is located in front of the mounting seat 4, the output shaft of the cylinder 6 is fixedly connected to the needle cap fixing seat 7, the needle cap fixing seat 7 is also fixedly connected to the guide rail 2 5 and the guide rail 3 9, the needle cap assembly 13 is located on one side of the outer side of the needle cap fixing seat 7 and is fixedly connected to the needle cap fixing seat 7, the needle rod mounting block 8 is fixedly connected to the bearing 10, and the bearing 10 is located at the top of the needle rod mounting block 8.

[0027] When in use, start the motor 1, and the motor 1 can drive the connecting rod assembly 3 to make the mounting seat 4 move up and down along the guide rail 2.

[0028] In this embodiment, the needle cap fixing seat 7 is located in front of the guide rail 2 5 , and the guide rail 3 9 is located in front of the needle cap fixing seat 7 .

[0029] In this embodiment, a second motor 12 is fixedly mounted on the front of the needle cap fixing seat 7 , and a cam 11 is fixedly mounted on the outside of the second motor 12 .

[0030] When the motor 2 12 is started, the cam 11 can drive the needle bar mounting block 8 to move forward and backward, and the retraction of the needle bar mounting block 8 is achieved by first pulling it back and then tightening it with a tension spring, so that the cam 11 is in close contact with the bearing 10.

[0031] In this embodiment, the connecting rod assembly 3 includes a bearing connecting rod 1 3-1, a screw 1 3-2, a bearing 2 3-3, a connecting rod seat 3-4, a bearing 3-5, and a bearing connecting rod 2 3-6. The bearing 3-5 is inserted into the connecting rod seat 3-4, and the bearing connecting rod 2 3-6 is inserted into the bearing 3-5. The connecting rod seat 3-4, the bearing 3-5, and the bearing connecting rod 2 3-6 are fixedly connected.

[0032] In this embodiment, bearing 2 3-3 is inserted into the connecting rod seat 3-4, and bearing connecting rod 1 3-1 is inserted into bearing 2 3-3, and the connecting rod seat 3-4, bearing 2 3-3, and bearing connecting rod 1 3-1 are fixedly connected, and screw 1 3-2 is located on the outer side of bearing connecting rod 1 3-1.

[0033] In this embodiment, the multi-pin assembly includes a connecting rod 14, a multi-pin fixing seat 15, a pin 16, a second screw 17, and a third screw 18. The multi-pin fixing seat 15 is fixedly connected to the connecting rod 14 by the third screw 18. The pin 16 is located in front of the multi-pin fixing seat 15, the connecting rod 14 is located behind the multi-pin fixing seat 15, and a flat plate 23 is arranged in front of the pin 16.

[0034] When the ejector pin 16 is inserted into the hole of the multi-needle fixing seat 15, the multi-needle fixing seat 15 will stand upright, so that the multi-needle pins will fall freely and be placed on the flat plate 23, and then the ejector pin 16 will be fixed by screw 2 17. Since the outer surface of the flat plate 23 is very flat and parallel, the ejector pin 16 can also smoothly pass through the multiple holes of the needle cap assembly 13.

[0035] In this embodiment, the needle cap assembly 13 includes a needle cap mounting seat 19, a positioning pin 20, a needle cap 21, and a locking ring 22. The positioning pin 20 is fixedly connected to the needle cap mounting seat 19, the locking ring 22 is threadedly connected to the needle cap mounting seat 19, the needle cap 21 is located in front of the needle cap mounting seat 19, and the needle cap 21 is connected to the needle cap mounting seat 19 through the locking ring 22.

[0036] It should be noted that the utility model is a multi-thimble stripping mechanism. When in use, the motor 1, the cylinder 6, and the motor 2 12 are started. The motor 1 drives the connecting rod assembly 3, so that the mounting seat 4 moves up and down along the guide rail 2. The cylinder 6 drives the needle cap fixing seat 7. The cylinder 6 is extended and retracted, driving the needle cap fixing seat 7 to move forward and backward. The motor 2 12 drives the needle bar mounting block 8 to move forward and backward through the cam 11. When the needle bar mounting block 8 needs to be retracted, it is first pulled back and then tightened by the tension spring so that the cam 11 is in close contact with the bearing 10.

[0037] When the ejector pin 16 is inserted into the hole of the multi-needle fixing seat 15, the multi-needle fixing seat 15 is erected, so that the multi-needle pins can be placed on the flat plate 23 by free fall, and then the ejector pin 16 is fixed by the screw 17. Since the outer surface of the flat plate 23 is very flat and parallel, the ejector pin 16 can smoothly pass through the multiple holes of the needle cap assembly 13.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-thimble peeling mechanism, comprising a motor 1 (1), a guide rail 1 (2), a connecting rod assembly (3), a mounting seat (4), a guide rail 2 (5), a cylinder (6), a needle cap fixing seat (7), a needle bar mounting block (8), a guide rail 3 (9), a bearing 1 (10), a cam (11), a motor 2 (12), a needle cap assembly (13), and an air path module connected to the needle cap fixing seat (7) and a multi-thimble assembly connected to the needle bar mounting block (8), characterized in that: The output shaft of the motor one (1) is fixedly connected to the connecting rod assembly (3), the mounting seat (4) is located in front of the motor one (1), the mounting seat (4) is fixedly connected to the guide rail one (2), the cylinder (6) is located in front of the mounting seat (4), the output shaft of the cylinder (6) is fixedly connected to the needle cap fixing seat (7), the needle cap fixing seat (7) is also fixedly connected to the guide rail two (5) and the guide rail three (9), the needle cap assembly (13) is located on one side of the outer side of the needle cap fixing seat (7) and is fixedly connected to the needle cap fixing seat (7), the needle rod mounting block (8) is fixedly connected to the bearing one (10), and the bearing one (10) is located at the top of the needle rod mounting block (8).

2. A multi-thrust pin stripping mechanism according to claim 1, characterized in that: The needle cap fixing seat (7) is located in front of the guide rail 2 (5), and the guide rail 3 (9) is located in front of the needle cap fixing seat (7).

3. The multi-thrust peeling mechanism according to claim 1, characterized in that: A second motor (12) is fixedly mounted on the front of the needle cap fixing seat (7), and a cam (11) is fixedly mounted on the outside of the second motor (12).

4. The multi-thrust pin stripping mechanism according to claim 1, characterized in that: The connecting rod assembly (3) comprises a bearing connecting rod 1 (3-1), a screw 1 (3-2), a bearing 2 (3-3), a connecting rod seat (3-4), a bearing 3 (3-5), and a bearing connecting rod 2 (3-6). The bearing 3 (3-5) is inserted into the connecting rod seat (3-4), and the bearing connecting rod 2 (3-6) is inserted into the bearing 3 (3-5). The connecting rod seat (3-4), the bearing 3 (3-5), and the bearing connecting rod 2 (3-6) are fixedly connected.

5. A multi-thrust pin stripping mechanism according to claim 4, characterized in that: The second bearing (3-3) is inserted into the connecting rod seat (3-4), and the first bearing connecting rod (3-1) is inserted into the second bearing (3-3). The connecting rod seat (3-4), the second bearing (3-3), and the first bearing connecting rod (3-1) are fixedly connected, and the first screw (3-2) is located on the outer side of the first bearing connecting rod (3-1).

6. The multi-thrust pin stripping mechanism according to claim 1, characterized in that: The multi-thimble assembly comprises a connecting rod (14), a multi-needle fixing seat (15), a thimble (16), a second screw (17), and a third screw (18). The multi-needle fixing seat (15) is fixedly connected to the connecting rod (14) via the third screw (18). The thimble (16) is located in front of the multi-needle fixing seat (15), the connecting rod (14) is located behind the multi-needle fixing seat (15), and a flat plate (23) is arranged in front of the thimble (16).

7. The multi-thrust pin stripping mechanism according to claim 1, characterized in that: The needle cap assembly (13) comprises a needle cap mounting seat (19), a positioning pin (20), a needle cap (21), and a locking ring (22), wherein the positioning pin (20) is fixedly connected to the needle cap mounting seat (19), the locking ring (22) is threadedly connected to the needle cap mounting seat (19), the needle cap (21) is located in front of the needle cap mounting seat (19), and the needle cap (21) is connected to the needle cap mounting seat (19) via the locking ring (22).

Images