Chip clamp polishing and grinding device

Abstract

The utility model belongs to the technical field of chip polishing equipment, in particular to a chip clamp polishing and grinding device which comprises a grinding disc and a grinding clamp, the grinding clamp comprises a clamping seat attached to the top of the grinding disc and a fixing column fixed on the clamping seat, and the fixing column is fixed on the grinding disc. The clamping seat is provided with a plurality of clamping surfaces which are distributed at equal intervals in the circumferential direction, and the clamping plate is movably connected to the clamping surfaces; the gear ring is connected to the clamping seat in a rotatable manner; one end of the turnover connecting arm is hinged to the gear ring, and the other end of the turnover connecting arm is hinged to the clamping plate; the driving mechanism is connected to the gear ring in a drivable mode and used for driving the gear ring to rotate; according to the clamping device, the gear ring is driven to rotate through the arranged driving mechanism, the multiple clamping plates can be driven to move synchronously, rapid clamping and disassembling are facilitated, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chip polishing equipment, and in particular relates to a chip fixture polishing and grinding device. Background Art

[0002] In electronics, it is a way of miniaturizing circuits (mainly semiconductor devices, but also passive components, etc.), and is often manufactured on the surface of semiconductor wafers.

[0003] When using conventional chip polishing and grinding devices, the consistency of chip grinding cannot be guaranteed, thereby reducing the grinding quality of the chip.

[0004] Based on the above technical problems, it was retrieved that in the prior art, a Chinese utility model patent with authorization announcement number CN217413593U disclosed "a chip fixture polishing and grinding device", including a grinding fixture and a grinding disc, wherein the grinding fixture is against the top surface of the grinding disc, and the grinding fixture includes a clamping seat and a working disc, the inner wall of the clamping seat is threadedly connected to the working disc by screws, a fixing rod is fixedly installed on the top surface of the working disc, a fixing ring is provided on the top of the fixing rod, and a positioning seat is fixedly installed in the center position of the bottom surface of the grinding disc, and multiple chips can be installed in the grinding fixture at the same time for synchronous grinding, thereby improving the chip grinding quality and overall work efficiency.

[0005] Although the chip polishing equipment in the prior art including the above-mentioned ones can ensure the consistency of chip grinding, in actual use, different screws need to be screwed separately during both the chip clamping and disassembly process, which is not convenient for quick clamping and disassembly, and the processing efficiency is greatly reduced.

[0006] In order to solve the above problems, the present application proposes a chip fixture polishing and grinding device. Utility Model Content

[0007] In order to solve the above problems existing in the prior art, the utility model provides a chip fixture polishing and grinding device, which has the characteristics of being easy to use and easy to quickly clamp and disassemble.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chip fixture polishing and grinding device, comprising a grinding disc and a grinding fixture, wherein the grinding fixture comprises a clamping seat attached to the top of the grinding disc and a fixing column fixed on the clamping seat, wherein the clamping seat has a plurality of clamping surfaces distributed at equal intervals along the circumferential direction, and further comprises:

[0009] a clamping plate movably connected to the clamping surface;

[0010] a gear ring rotatably connected to the clamping seat;

[0011] A flip connecting arm, one end of which is hinged to the gear ring and the other end of which is hinged to the clamping plate;

[0012] A driving mechanism is drivably connected to the gear ring and is used to drive the gear ring to rotate.

[0013] As a preferred technical solution of the utility model, the driving mechanism includes:

[0014] A mounting plate, the mounting plate being fixed on the fixing column;

[0015] A driving gear, the driving gear is rotatably connected to the mounting plate and meshes with the ring gear;

[0016] A driving motor is fixed on the mounting plate and is used to drive the driving gear to rotate.

[0017] As a preferred technical solution of the utility model, it also includes:

[0018] An inverted T-shaped sliding block is fixed to the bottom surface of the mounting plate, and an inverted T-shaped sliding groove is provided on the gear ring for the inverted T-shaped sliding block to be embedded.

[0019] As a preferred technical solution of the utility model, it also includes:

[0020] The two guide frames are symmetrically fixed on the clamping surface, and the guide frames are provided with guide sliding holes, and the two ends of the clamping plate are respectively embedded in the corresponding guide sliding holes.

[0021] As a preferred technical solution of the utility model, it also includes:

[0022] A guide rod, the guide rod is fixed in the guide slide hole and passes through the clamping plate;

[0023] A telescopic spring is sleeved on the guide rod and is located between the inner wall of the guide sliding hole and the clamping plate.

[0024] As a preferred technical solution of the utility model, it also includes:

[0025] An adjusting screw, the adjusting screw being mounted on the clamping plate by means of a threaded engagement;

[0026] A clamping plate is fixed to one end of the adjusting screw rod close to the clamping surface.

[0027] As a preferred technical solution of the utility model, it also includes:

[0028] A handle is fixed to an end of the adjusting screw away from the clamping disk.

[0029] As a preferred technical solution of the utility model, it also includes:

[0030] A No. 2 rubber gasket is bonded and fixed on the clamping disc.

[0031] As a preferred technical solution of the utility model, it also includes:

[0032] A No. 1 rubber pad is bonded and fixed on the clamping surface.

[0033] Compared with the prior art, the beneficial effects of the utility model are:

[0034] In the utility model, the gear ring is driven to rotate by the provided driving mechanism, which can drive multiple clamping plates to move synchronously, thereby facilitating rapid clamping and disassembly, and greatly improving processing efficiency.

[0035] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0037] Figure 1 It is a schematic diagram of the structure of the utility model;

[0038] Figure 2 This is a schematic diagram of the axonometric structure of the grinding fixture of the utility model;

[0039] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram;

[0040] Figure 4 For this utility model Figure 2 The enlarged structural diagram at B in FIG.

[0041] Figure 5 For this utility model Figure 2 The enlarged structural diagram at C in the figure.

[0042] In the figure: 1. grinding disc; 2. grinding fixture; 21. clamping seat; 211. clamping surface; 212. No. 1 rubber pad; 22. fixing column; 23. clamping plate; 3. driving mechanism; 31. gear ring; 311. reverse T-shaped slide groove; 32. mounting plate; 321. reverse T-shaped slider; 33. driving gear; 34. driving motor; 35. flip connecting arm; 4. guide frame; 41. guide slide hole; 5. guide rod; 6. telescopic spring; 7. clamping disc; 71. No. 2 rubber pad; 8. adjusting screw; 81. handle. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] See also Figure 1-Figure 5 The utility model provides the following technical solutions: a chip fixture polishing and grinding device, including a grinding disc 1 and a grinding fixture 2, the grinding fixture 2 includes a clamping seat 21 attached to the top of the grinding disc 1 and a fixing column 22 fixed on the clamping seat 21, and the clamping seat 21 has a plurality of clamping surfaces 211 evenly spaced along the circumferential direction, and also includes: a clamping plate 23, a gear ring 31, a flip connecting arm 35 and a driving mechanism 3.

[0045] Further, by Figure 1 and Figure 2 As shown, in the present embodiment, the clamping plate 23 is movably connected to the clamping surface 211, the ring gear 31 is rotatably connected to the clamping seat 21, one end of the flip connecting arm 35 is hinged to the ring gear 31, and the other end is hinged to the clamping plate 23, and the driving mechanism 3 is drivably connected to the ring gear 31, and is used to drive the ring gear 31 to rotate. After adopting the above scheme, when in use, the chip to be ground is placed between the clamping surface 211 and the clamping plate 23, at this time, the bottom end of the chip is in contact with the grinding disk 1, and then the driving mechanism 3 is started to drive the ring gear 31 to rotate, so that the ring gear 31 drives the flip connecting arm 35 to flip and move, and the clamping plate 23 is pushed to move by the flip connecting arm 35, and the chip is clamped by the clamping plate 23 and the clamping surface 211, and the grinding disk 1 is driven by an external device to rotate the grinding disk 1 to grind the chip. The utility model drives the ring gear 31 to rotate by the driving mechanism 3 set, and can drive multiple clamping plates 23 to move synchronously, which is convenient for quick clamping and disassembly, and the processing efficiency is greatly improved.

[0046] It should be noted that the grinding disc 1 includes but is not limited to being driven by a motor to rotate the grinding disc 1 .

[0047] Optionally, by Figure 1 and Figure 2 As shown, in this embodiment, the driving mechanism 3 includes: a mounting plate 32, a driving gear 33 and a driving motor 34. The mounting plate 32 is fixed on the fixing column 22. The driving gear 33 is rotatably connected to the mounting plate 32 and meshes with the ring gear 31. The driving motor 34 is fixed on the mounting plate 32 and is used to drive the driving gear 33 to rotate. After adopting the above scheme, the driving motor 34 is started to drive the driving gear 33 to rotate, and the driving gear 33 drives the ring gear 31 to rotate under the meshing action.

[0048] Preferably, by Figure 1 , Figure 2 and Figure 5 As shown, in this embodiment, it also includes: an inverted T-shaped slider 321, which is fixed to the bottom surface of the mounting plate 32, and an inverted T-shaped groove 311 is provided on the gear ring 31 for the inverted T-shaped slider 321 to be embedded in, which is used to support and guide the gear ring 31 to ensure the stability of the gear ring 31.

[0049] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, it also includes: a guide frame 4, two guide frames 4 are symmetrically fixed on the clamping surface 211, and there are guide slide holes 41 in the guide frames 4, and the two ends of the clamping plate 23 are respectively embedded in the corresponding guide slide holes 41, which are used to support and guide the clamping plate 23 and improve the stability of the clamping plate 23.

[0050] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, it also includes: a guide rod 5 and a telescopic spring 6. The guide rod 5 is fixed in the guide slide hole 41 and passes through the clamping plate 23. The telescopic spring 6 is sleeved on the guide rod 5 and is located between the inner wall of the guide slide hole 41 and the clamping plate 23. After adopting the above scheme, the guide rod 5 further guides the clamping plate 23, and the telescopic spring 6 has a reverse elastic force, which further improves the stability of the clamping plate 23.

[0051] Preferably, by Figure 1 , Figure 2 and Figure 4 As shown, in this embodiment, it also includes: an adjusting screw 8 and a clamping plate 7. The adjusting screw 8 is installed on the clamping plate 23 by threaded engagement. The clamping plate 7 is fixed to one end of the adjusting screw 8 close to the clamping surface 211. After adopting the above scheme, when necessary, the adjusting screw 8 can be rotated to make the adjusting screw 8 drive the clamping plate 7 to move under the action of threaded engagement, so as to adjust the initial position of the clamping plate 7. The chip is clamped by the clamping plate 7 and the clamping surface 211, and chips of different sizes can also be clamped at the same time.

[0052] Preferably, by Figure 1 , Figure 2 and Figure 4 As shown, in this embodiment, it also includes: a handle 81, which is fixed to the end of the adjusting screw 8 away from the clamping plate 7. The adjusting screw 8 is easy to rotate by the provided handle 81.

[0053] Preferably, by Figure 1 , Figure 2 and Figure 4 As shown, in this embodiment, it also includes: a No. 2 rubber pad 71, which is bonded and fixed on the clamping disk 7 and is flexible. After clamping the chip, the No. 2 rubber pad 71 shrinks to ensure the stability and safety of the chip.

[0054] Preferably, by Figure 1 , Figure 2 and Figure 4 As shown, in this embodiment, it also includes: a No. 1 rubber pad 212, which is bonded and fixed on the clamping surface 211 and is flexible. After clamping the chip, the No. 1 rubber pad 212 shrinks to ensure the stability and safety of the chip.

[0055] It should be noted that the drive motor 34 is a conventional device purchased on the market with a built-in power switch. Technicians in this field can make a conventional selection according to usage requirements. Its working principle is common knowledge known to technicians in this field and has been fully disclosed in the prior art, so it will not be elaborated in this article.

[0056] The circuit connection involved in the utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0057] Components not described in detail herein are prior art.

[0058] Working principle and use process of the utility model: When the grinding device of the utility model is used, the chip to be ground is placed between the clamping surface 211 and the clamping plate 23, and the bottom end of the chip is in contact with the grinding disc 1;

[0059] Then, the driving motor 34 is started to drive the driving gear 33 to rotate. The driving gear 33 drives the ring gear 31 to rotate under the meshing action. The ring gear 31 drives the flip connection arm 35 to flip and move. The flip connection arm 35 pushes the clamping plate 23 to move, and the chip is clamped by the clamping plate 7 and the clamping surface 211. The grinding disc 1 is driven by an external device to rotate the grinding disc 1 to grind the chip.

[0060] The utility model drives the gear ring 31 to rotate by the driving mechanism 3, which can drive multiple clamping plates 23 to move synchronously, which is convenient for fast clamping and disassembly, and greatly improves the processing efficiency;

[0061] When necessary, the adjusting screw 8 can be rotated to drive the clamping plate 7 to move under the action of thread rotation, and the initial position of the clamping plate 7 can be adjusted. The chip can be clamped by the clamping plate 7 and the clamping surface 211, and chips of different specifications and sizes can also be clamped at the same time.

[0062] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A chip fixture polishing and grinding device, comprising a grinding disc (1) and a grinding fixture (2), wherein the grinding fixture (2) comprises a clamping seat (21) attached to the top of the grinding disc (1) and a fixing column (22) fixed to the clamping seat (21), and the clamping seat (21) has a plurality of clamping surfaces (211) distributed at equal intervals along the circumferential direction, characterized in that: Also includes: a clamping plate (23), the clamping plate (23) being movably connected to the clamping surface (211); A gear ring (31), the gear ring (31) being rotatably connected to the clamping seat (21); A flip connecting arm (35), one end of the flip connecting arm (35) being hinged to the gear ring (31) and the other end of the flip connecting arm (35) being hinged to the clamping plate (23); A driving mechanism (3), the driving mechanism (3) being drivably connected to the ring gear (31) and used for driving the ring gear (31) to rotate.

2. The chip fixture polishing and grinding device according to claim 1, characterized in that: The driving mechanism (3) comprises: A mounting plate (32), wherein the mounting plate (32) is fixed on the fixing column (22); A driving gear (33), the driving gear (33) being rotatably connected to the mounting plate (32) and meshing with the ring gear (31); A driving motor (34), the driving motor (34) being fixed on the mounting plate (32) and being used for driving the driving gear (33) to rotate.

3. The chip fixture polishing and grinding device according to claim 2, characterized in that: Also includes: An inverted T-shaped sliding block (321) is fixed to the bottom surface of the mounting plate (32), and an inverted T-shaped sliding groove (311) is provided on the gear ring (31) for the inverted T-shaped sliding block (321) to be embedded.

4. The chip fixture polishing and grinding device according to claim 1, characterized in that: Also includes: A guide frame (4), wherein two guide frames (4) are symmetrically fixed on the clamping surface (211), and guide sliding holes (41) are provided in the guide frames (4), and two ends of the clamping plate (23) are respectively embedded in the corresponding guide sliding holes (41).

5. The chip fixture polishing and grinding device according to claim 4, characterized in that: Also includes: A guide rod (5), the guide rod (5) being fixed in the guide sliding hole (41) and passing through the clamping plate (23); A telescopic spring (6), wherein the telescopic spring (6) is sleeved on the guide rod (5) and is located between the inner wall of the guide sliding hole (41) and the clamping plate (23).

6. The chip fixture polishing and grinding device according to claim 1, characterized in that: Also includes: an adjusting screw (8), the adjusting screw (8) being mounted on the clamping plate (23) by means of a threaded engagement; A clamping plate (7), the clamping plate (7) being fixed to an end of the adjusting screw rod (8) close to the clamping surface (211).

7. The chip fixture polishing and grinding device according to claim 6, characterized in that: Also includes: A handle (81), wherein the handle (81) is fixed to an end of the adjusting screw (8) away from the clamping disc (7).

8. The chip fixture polishing and grinding device according to claim 6, characterized in that: Also includes: A No. 2 rubber gasket (71), wherein the No. 2 rubber gasket (71) is bonded and fixed to the clamping disc (7).

9. The chip fixture polishing and grinding device according to claim 1, characterized in that: Also includes: A number one rubber pad (212), the number one rubber pad (212) being bonded and fixed on the clamping surface (211).

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