Liquid grinding material supply mechanism of wafer grinding machine
By using stirring blades and electric push rods to drive the clamping block in the liquid abrasive supply mechanism of the wafer grinder, the problem of deposition caused by liquid in the storage tank is solved, and the uniform supply and grinding accuracy of liquid abrasives are achieved Improvement.
Patent Information
- Application Number
- CN202420533139.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-19
AI Technical Summary
Leaving the liquid in the storage tank may cause the substances in the liquid to be deposited at the bottom of the storage tank, affecting the uniformity of the liquid abrasive and the stability of the supply system.
A liquid abrasive supply mechanism for wafer grinders is designed. The liquid inside the barrel is stirred with stirring blades to prevent particles or components in the abrasive precipitation, and the mechanism is stably clamped through the electric push rod to drive the clamping block to ensure that Even supply of liquid abrasives.
Through the use of stirring blades, ensure uniform mixing of liquid abrasives, prevent precipitation, maintain consistency of the chemical and physical properties of liquid abrasives, reduce the risk of clogging or agglomeration, ensure smooth supply of liquid abrasives, and improve grinding accuracy and consistency.
Smart Images
Figure CN222493778U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid abrasive supply, in particular to a liquid abrasive supply mechanism of a wafer grinding machine. Background Art
[0002] Quartz wafers play a vital role in frequency generation and control electronic devices. Their thickness directly affects their frequency characteristics, so they need to be strictly controlled during the manufacturing process. Generally, quartz wafers are obtained through a cutting process, and then they need to be ground to a specific thickness according to design requirements. This process not only helps the wafers to achieve the required accuracy of the design, but also eliminates the damage that may be caused during the cutting process to ensure the quality of the final device. Therefore, grinding equipment plays an indispensable role in the field of quartz wafer manufacturing. Only through a fine grinding process can high-quality quartz wafer devices be manufactured.
[0003] The patent specification with the announcement number CN218641126U discloses a quantitative supply mechanism for liquid raw materials, including a storage box and a storage chamber, the storage chamber is connected to the storage box through a corresponding connecting pipe, a piston rod is slidably arranged in the storage chamber, an extrusion plate is arranged on the piston rod, a driving cylinder for driving the piston rod to slide is arranged on the storage box, a first control mechanism is arranged between the piston rod and the connecting pipe, a filling head is arranged on the bottom of the storage chamber, the filling head is connected to the storage chamber, and a second control mechanism is arranged between the piston rod and the storage chamber. The quantitative supply mechanism for liquid raw materials, through the cooperation between the storage box, the storage chamber, the connecting pipe, the piston rod, the extrusion plate, the filling head, the first control mechanism and the second control mechanism, the storage chamber is connected to the storage box through the connecting pipe, so the liquid will first enter the storage chamber, and since the storage chamber has a certain amount of liquid, the liquid flowing out of the filling head is quantitative.
[0004] However, in the implementation of the relevant technology, it is found that the above quantitative supply mechanism based on a liquid raw material has the following problem: when the liquid is left standing in the storage box, the substances in the liquid may be deposited at the bottom of the storage box. Utility Model Content
[0005] The utility model provides a liquid abrasive supply mechanism for a wafer grinder, which solves the problem that when liquid is static in a material storage box, substances in the liquid may be deposited at the bottom of the material storage box.
[0006] The technical solution of the utility model is as follows:
[0007] A liquid abrasive supply mechanism for a wafer grinder comprises a base, fixed blocks are fixedly connected to both sides of the top of the base, a shell is fixedly connected to the top of the base, a barrel is fixedly connected to the inner wall of the shell, a turntable is fixedly connected to the bottom of the barrel, a top cover is fixedly connected to the top of the barrel, a liquid pump is arranged on the top of the top cover, a first pipe is fixedly connected to the output end of the liquid pump, a liquid spray pump head is installed at one end of the first pipe, a second pipe is fixedly connected to the input end of the liquid pump, and a third pipe is fixedly connected to one end of the second pipe.
[0008] Preferably, a rotating motor is provided on the inner wall of the base, and the output end of the rotating motor passes through the bottom end of the shell and is rotatably connected to the first gear through a coupling, the top of the first gear is fixedly connected to a fixing rod, the side of the first gear is meshed with a second gear, the top of the second gear is fixedly connected to a connecting column, one end of the connecting column is fixedly connected to a third gear, the inner side of the third gear is meshed with a fourth gear, the inner wall of the fourth gear is fixedly connected to a rotating column, the top of the rotating column is fixedly connected to a fixing column, one side of the fixing column is fixedly connected to a connecting rod, the upper part of one end of the connecting rod is rotatably connected to a rotating shaft, and the side of the rotating shaft is fixedly connected to a stirring blade.
[0009] Preferably, the inner wall diameter of the second pipe is half the inner wall diameter of the third pipe, and three second pipes are distributed at equal angles and correspond one to one to the input ends of the liquid pump.
[0010] Preferably, one end of the fixing column passes through the bottom end of the barrel body, and the bottom end of the connecting rod fits against the inner bottom wall of the barrel body.
[0011] Preferably, a circular groove is provided at the top of the turntable, and the bottom end of the rotating column and the circular groove form a snap-fit structure.
[0012] Preferably, an electric push rod is arranged above one end of the fixed block, an output end of the electric push rod is fixedly connected to a clamping block, and rubber pads are arranged at the top and bottom ends of the clamping block.
[0013] Preferably, the top end of one end of the clamping block is engaged with the bottom end of the fixing block, and the clamping block forms a clamping structure through an electric push rod.
[0014] Preferably, the shape of the rubber pad is the same as that of the clamping block, and the surface of the rubber pad is provided with anti-slip grooves.
[0015] The working principle and beneficial effects of the utility model are:
[0016] 1. In the utility model, the fourth gear drives the rotating shaft to rotate, and the stirring blades stir the liquid inside the barrel body, which can ensure that the liquid abrasive is evenly mixed in the supply mechanism, help prevent the precipitation of particles or components in the abrasive, and effectively ensure that the liquid abrasive in the entire supply system maintains consistent chemical and physical properties. Possible problems can be reduced or prevented from occurring, and can effectively ensure that the liquid abrasive is smoothly transferred to the grinder through the supply mechanism.
[0017] 2. In the utility model, the clamping block is driven by an electric push rod to stably clamp and fix the mechanism to the desktop, which can improve the stability of the entire system, reduce the instability caused by movement or shaking of the mechanism, ensure the stability and accuracy of the liquid abrasive supply, and more accurately control the position and direction, which helps to ensure the accurate supply of liquid abrasive, effectively improve the accuracy and consistency of grinding, and at the same time reduce these unnecessary vibrations and noises, and improve the comfort of the working environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0019] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the gear assembly structure proposed by the utility model;
[0021] Figure 3 This is a schematic diagram of the structure of the stirring assembly proposed in the utility model;
[0022] Figure 4 This is a schematic diagram of the structure of the clamping assembly proposed by the utility model;
[0023] Figure 5 This is a schematic diagram of the external structure proposed by the utility model.
[0024] In the figure: 1. base; 2. fixing block; 3. shell; 4. barrel; 5. top cover; 6. liquid pump; 7. first pipeline; 8. liquid spray pump head; 9. second pipeline; 10. third pipeline; 11. turntable; 12. rotating motor; 13. first gear; 14. fixing rod; 15. second gear; 16. connecting column; 17. third gear; 18. fourth gear; 19. rotating column; 20. circular groove; 21. fixing rod; 22. connecting rod; 23. rotating shaft; 24. stirring blade; 25. electric push rod; 26. clamping block; 27. rubber pad. DETAILED DESCRIPTION
[0025] The following will be combined with 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 of 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. Example
[0026] like Figure 1~Figure 3 As shown, it includes a base 1, fixed blocks 2 are fixedly connected to both sides of the top of the base 1, a shell 3 is fixedly connected to the top of the base 1, a barrel body 4 is fixedly connected to the inner wall of the shell 3, a turntable 11 is fixedly connected to the bottom end of the barrel body 4, a top cover 5 is fixedly connected to the top of the barrel body 4, a liquid pump 6 is arranged on the top of the top cover 5, a first pipe 7 is fixedly connected to the output end of the liquid pump 6, a liquid spray pump head 8 is installed at one end of the first pipe 7, a second pipe 9 is fixedly connected to the input end of the liquid pump 6, a third pipe 10 is fixedly connected to one end of the second pipe 9, and the side of the turntable 11 is in contact with the inner wall of the shell 3.
[0027] In this embodiment, a rotating motor 12 is provided on the inner wall of the base 1, and the output end of the rotating motor 12 passes through the bottom end of the shell 3 and is rotatably connected to the first gear 13 through a coupling, the top of the first gear 13 is fixedly connected to a fixing rod 14, the side of the first gear 13 is meshed with a second gear 15, the top of the second gear 15 is fixedly connected to a connecting column 16, one end of the connecting column 16 is fixedly connected to a third gear 17, the inner side of the third gear 17 is meshed with a fourth gear 18, the inner wall of the fourth gear 18 is fixedly connected to a rotating column 19, the top of the rotating column 19 is fixedly connected to a fixed column 21, one side of the fixed column 21 is fixedly connected to a connecting rod 22, the upper part of one end of the connecting rod 22 is rotatably connected to a rotating shaft 23, the side of the rotating shaft 23 is fixedly connected to a stirring blade 24, and the shape of the stirring blade 24 is triangular.
[0028] In this embodiment, the inner wall diameter of the second pipe 9 is half of the inner wall diameter of the third pipe 10. The second pipe 9 has three equally distributed pipes corresponding to the input ends of the liquid pump 6. The second pipe 9 can increase the liquid flow rate.
[0029] In this embodiment, one end of the fixing column 21 passes through the bottom end of the barrel body 4, the bottom end of the connecting rod 22 fits against the inner bottom wall of the barrel body 4, and the shape of the fixing column 21 is the same as the circular hole at the bottom end of the barrel body 4.
[0030] In this embodiment, a circular groove 20 is formed at the top of the turntable 11 , and the bottom end of the rotating column 19 and the circular groove 20 form a snap-fit structure, and the bottom end of the rotating column 19 and the top end of the turntable 11 form a rotational connection. Example
[0031] like Figure 4 , Figure 5 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment also proposes
[0032] In this embodiment, an electric push rod 25 is arranged above one end of the fixed block 2, and the output end of the electric push rod 25 is fixedly connected to a clamping block 26. Rubber pads 27 are arranged at the top and bottom ends of the clamping block 26. The fixed block 2 is fixedly connected to the top of the base 1 by bolts.
[0033] In this embodiment, the top end of one end of the clamping block 26 is engaged with the bottom end of the fixing block 2 , and the clamping block 26 forms a clamping structure through the electric push rod 25 , and the output end of the electric push rod 25 passes through one end of the fixing block 2 .
[0034] In this embodiment, the shape of the rubber pad 27 is the same as that of the clamping block 26. The surface of the rubber pad 27 is provided with anti-skid grooves. The rubber pad 27 can prevent the position of the mechanism from shifting when in operation.
[0035] Working principle: When using this device, the electric push rod 25 drives the clamping block 26 to move, and the clamping block 26 clamps the device on the desktop. The rubber pad 27 can increase the friction between the clamping block 26 and the desktop. When starting to work, the rotating motor 12 inside the base 1 drives the first gear 13 to rotate, and the first gear 13 can drive the fixed rod 14 to rotate. The fixed rod 14 can drive the turntable 11 to rotate. The side of the first gear 13 is meshed with the second gear 15. After the second gear 15 rotates, it drives the connecting column 16 to rotate. The connecting column 16 drives the third gear 17 to rotate, and the third gear 17 and the inner side are meshed. The fourth gear 18 meshes and rotates synchronously, the first gear 13 and the fourth gear 18 rotate in the same direction, and the rotating column 19 rotates on the inner side of the circular groove 20, the rotating column 19 can drive the fixed column 21 to rotate, and the fixed column 21 drives the connecting rod 22 to rotate. After the connecting rod 22 rotates, it drives the rotating shaft 23 to stir the liquid inside the barrel body 4. The stirring blades 24 can further enhance the stirring effect to prevent the liquid inside the barrel body 4 from settling. After that, the liquid is extracted through the third pipe 10 and the second pipe 9 by the liquid pump 6, and then the liquid is input into the spray pump head 8 through the first pipe 7, and finally the grinding work is performed through the spray pump head 8.
[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A liquid abrasive supply mechanism for a wafer grinding machine, comprising a base (1), characterized in that: Fixed blocks (2) are fixedly connected to both sides of the top of the base (1); a shell (3) is fixedly connected to the top of the base (1); a barrel (4) is fixedly connected to the inner wall of the shell (3); a turntable (11) is fixedly connected to the bottom of the barrel (4); a top cover (5) is fixedly connected to the top of the barrel (4); a liquid pump (6) is arranged on the top of the top cover (5); an output end of the liquid pump (6) is fixedly connected to a first pipeline (7); a liquid spray pump head (8) is installed at one end of the first pipeline (7); an input end of the liquid pump (6) is fixedly connected to a second pipeline (9); and one end of the second pipeline (9) is fixedly connected to a third pipeline (10).
2. The liquid abrasive supply mechanism for a wafer grinding machine according to claim 1, characterized in that: The inner wall of the base (1) is provided with a rotating motor (12); the output end of the rotating motor (12) passes through the bottom end of the housing (3) and is rotatably connected to a first gear (13) via a coupling; the top end of the first gear (13) is fixedly connected to a fixing rod (14); the side of the first gear (13) is meshed with a second gear (15); the top end of the second gear (15) is fixedly connected to a connecting column (16); one end of the connecting column (16) is fixedly connected to a third gear (17); the inner side of the third gear (17) is meshed with a fourth gear (18); the inner wall of the fourth gear (18) is fixedly connected to a rotating column (19); the top end of the rotating column (19) is fixedly connected to a fixing column (21); one side of the fixing column (21) is fixedly connected to a connecting rod (22); the upper part of one end of the connecting rod (22) is rotatably connected to a rotating shaft (23); the side of the rotating shaft (23) is fixedly connected to a stirring blade (24).
3. The liquid abrasive supply mechanism for a wafer grinding machine according to claim 1, characterized in that: The inner wall diameter of the second pipe (9) is half the inner wall diameter of the third pipe (10), and the second pipe (9) has three equally-angled portions corresponding one to one to the input ends of the liquid pump (6).
4. The liquid abrasive supply mechanism for a wafer grinding machine according to claim 2, characterized in that: One end of the fixing column (21) passes through the bottom end of the barrel body (4), and the bottom end of the connecting rod (22) fits against the inner bottom wall of the barrel body (4).
5. The liquid abrasive supply mechanism for a wafer grinding machine according to claim 2, characterized in that: A circular groove (20) is formed at the top of the rotating disk (11), and a snap-fit structure is formed between the bottom end of the rotating column (19) and the circular groove (20).
6. The liquid abrasive supply mechanism for a wafer grinding machine according to claim 1, characterized in that: An electric push rod (25) is arranged above one end of the fixed block (2), the output end of the electric push rod (25) is fixedly connected to a clamping block (26), and rubber pads (27) are arranged at the top and bottom ends of the clamping block (26).
7. The liquid abrasive supply mechanism for a wafer grinding machine according to claim 6, characterized in that: The top end of one end of the clamping block (26) is engaged with the bottom end of the fixing block (2), and the clamping block (26) forms a clamping structure through the electric push rod (25).
8. The liquid abrasive supply mechanism for a wafer grinding machine according to claim 6, characterized in that: The shape of the rubber pad (27) is the same as that of the clamping block (26), and anti-slip grooves are provided on the surface of the rubber pad (27).