Device for cutting corners of rubber block on quartz wafer

Abstract

The utility model relates to a device for cutting corners of a quartz wafer gluing block, which comprises an inner side auxiliary limiting reference seat, a middle placing reference seat and an outer side auxiliary limiting reference seat, a right-angle cutting groove body is arranged at the upper end of the middle placing reference seat, and the right-angle cutting groove body is used for placing the wafer gluing block needing to be subjected to corner cutting. An inner side auxiliary limiting reference base and an outer side auxiliary limiting reference base are installed on the two sides of the middle containing reference base correspondingly, and the two sides of the right-angle cutting groove body are sealed through the inner wall of the inner side auxiliary limiting reference base and the inner wall of the outer side auxiliary limiting reference base. A push block which transversely slides back and forth is embedded in the inner side of the upper portion of the outer side auxiliary limiting reference base, a plurality of hand screws are connected to the outer side of the outer side auxiliary limiting reference base in a screwed mode, the hand screws are transversely and horizontally arranged, and one ends of the hand screws abut against the push block. According to the utility model, the current situation of different corner cutting sizes can be changed, the circle changing time is shortened, and the efficiency and productivity are improved.

Description

Technical Field

[0001] This utility model relates to the field of quartz wafer processing technology, and in particular to a device for cutting corners of adhesive blocks on quartz wafers. Background Technology

[0002] With the rapid development of industries such as semiconductors and optoelectronics, the demand for quartz wafers is constantly increasing. In the semiconductor field, with the continuous advancement of chip manufacturing processes, the requirements for the size, precision, and performance of quartz wafers are also becoming increasingly stringent, including processes such as cutting, grinding, and polishing, in order to obtain quartz wafers with high-precision dimensions, flatness, and surface finish.

[0003] In quartz wafer processing, dimensions and appearance are crucial to the success of the rounding process. Rounding without chamfering increases processing time and affects the performance of the subsequent rounding grinding wheel. Traditional chamfering involves simply positioning the wafer and then cutting it with a cutting machine, which easily leads to inconsistent chamfer dimensions and low processing efficiency. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a device for cutting corners of adhesive blocks on quartz wafers. The entire device can be placed on the worktable of a cutting machine, the adhesive blocks on the wafer to be processed are fixed, and the corner cutting is completed by the operation of the grinding wheel. This greatly shortens the rounding time, improves the processing capacity of the subsequent grinding wheel, and is more practical and accurate, thereby increasing production capacity.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: a device for cutting the corner of a quartz wafer with adhesive blocks is provided, including an inner auxiliary limiting reference seat, a middle placement reference seat and an outer auxiliary limiting reference seat. The upper end of the middle placement reference seat is provided with a right-angle cutting groove, which is used to place the wafer adhesive block that needs to be cut. The inner auxiliary limiting reference seat and the outer auxiliary limiting reference seat are respectively installed on both sides of the middle placement reference seat. The two sides of the right-angle cutting groove are sealed by the inner walls of the inner and outer auxiliary limiting reference seats. A push block that slides back and forth horizontally is embedded in the inner side of the upper part of the outer auxiliary limiting reference seat. Multiple hand-tightening screws are screwed onto the outer side of the outer auxiliary limiting reference seat. The hand-tightening screws are arranged horizontally, and one end of the hand-tightening screw abuts against the push block.

[0006] As a supplement to the technical solution described in this utility model, the edges of the inner auxiliary limiting reference seat and the outer auxiliary limiting reference seat are both provided with chamfers to prevent collisions and damage when the adhesive block on the wafer is placed.

[0007] As a supplement to the technical solution described in this utility model, a corner-cutting pad is placed on the front side of the upper end of the right-angle cutting groove, and the corner-cutting pad must be placed flat on the front side of the right-angle cutting groove.

[0008] As a supplement to the technical solution described in this utility model, it also includes a positioning seat. The upper middle part of the positioning seat has a slot, and the rear side of the lower part of the intermediate placement reference seat has a first notch that cooperates with the slot. The bottom of the intermediate placement reference seat has a U-shaped groove, and a locking screw is installed in the U-shaped groove. One end of the locking screw is screwed to the positioning seat, and the cap of the other end of the locking screw is fastened to the front end of the intermediate placement reference seat.

[0009] As a supplement to the technical solution described in this utility model, the left side of the card slot is provided with an upwardly raised step, the upper end of which is provided with a positioning boss, and the rear side of the lower part of the inner auxiliary limiting reference seat is provided with a second notch that cooperates with the step, and the top of the second notch is provided with a positioning groove that cooperates with the positioning boss.

[0010] As a supplement to the technical solution described in this utility model, the inner side of the upper part of the outer auxiliary limiting reference seat is provided with a sliding groove for accommodating the push block, and the bottom of the sliding groove is provided with a reserved extension.

[0011] As a supplement to the technical solution described in this utility model, the inner auxiliary limiting reference seat and the middle placement reference seat, as well as the middle placement reference seat and the outer auxiliary limiting reference seat, are all fixedly connected by fasteners.

[0012] Beneficial Effects: This utility model relates to a device for chopping corners of adhesive blocks on quartz wafers. A central reference base has a right-angle cutting groove for holding the adhesive block to be chopped. Different sized corner-cutting pads can be placed above the groove, suitable for adhesive blocks of various sizes. The adhesive block is placed in the right-angle cutting groove. A laterally sliding push block is installed on the inner side of the outer auxiliary limiting reference base. The position of the push block is adjusted by rotating a hand-tightening screw. The inner wall of the inner auxiliary limiting reference base, in conjunction with the push block, clamps and fixes the adhesive block. The entire device can be placed on a cutting machine's worktable. The adhesive block to be processed is fixed, and the corner-cutting is completed by the operation of a grinding wheel. This utility model can change the current situation of inconsistent corner-cutting sizes, shorten the rounding time, and improve efficiency and production capacity. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the structure of this utility model after removing the cutting machine worktable and positioning seat;

[0015] Figure 3 This is a schematic diagram of the structure of the cutting machine worktable and positioning seat described in this utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the inner auxiliary limiting reference seat described in this utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the intermediate placement reference base described in this utility model;

[0018] Figure 6 This is a schematic diagram of the structure of the outer auxiliary limiting reference seat described in this utility model.

[0019] Illustration: 1. Inner auxiliary limiting reference seat, 2. Middle placement reference seat, 3. Outer auxiliary limiting reference seat, 4. Right angle cutting groove, 5. Fastener, 6. Hand screw, 7. Push block, 8. Corner cutting pad, 9. Wafer adhesive block, 10. Positioning seat, 11. Locking screw, 12. Cutting machine worktable, 13. Long strip groove, 14. Protruding structure, 15. Slide groove, 16. Reserved extension, 17. Slot, 18. Step, 19. Positioning boss, 20. U-shaped groove, 21. First notch, 22. Second notch, 23. Positioning groove. Detailed Implementation

[0020] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0021] The present invention relates to a device for cutting corners of adhesive blocks on quartz wafers, such as... Figure 1-6As shown, the device includes an inner auxiliary limiting reference base 1, a middle placement reference base 2, and an outer auxiliary limiting reference base 3. The upper end of the middle placement reference base 2 is provided with a right-angle cutting groove 4, which is used to place the wafer adhesive block 9 that needs to be cut at the corner. The inner auxiliary limiting reference base 1 and the outer auxiliary limiting reference base 3 are respectively installed on both sides of the middle placement reference base 2. The upper ends of the inner auxiliary limiting reference base 1 and the outer auxiliary limiting reference base 3 are raised, so that the inner walls of the inner auxiliary limiting reference base 1 and the outer auxiliary limiting reference base 3 can seal the two sides of the right-angle cutting groove 4, and at the same time increase the clamping area of ​​the wafer adhesive block 9. A push block 7 that slides back and forth horizontally is embedded in the inner side of the upper part of the outer auxiliary limiting reference base 3. Multiple hand-tightening screws 6 are screwed to the outer side of the outer auxiliary limiting reference base 3. The hand-tightening screws 6 are arranged horizontally, and one end of the hand-tightening screw 6 abuts against the push block 7.

[0022] The edges of the inner auxiliary limiting reference seat 1 and the outer auxiliary limiting reference seat 3 are both chamfered to prevent collisions and damage when the adhesive block 9 is placed on the wafer.

[0023] A corner-cutting pad 8 is placed on the front side of the upper end of the right-angle cutting groove 4. The corner-cutting pad 8 must be placed flat on the front side of the right-angle cutting groove 4.

[0024] As an instruction for installing the intermediate placement reference base 2, it also includes a positioning base 10. The positioning base 10 has a slot 17 in the middle of its upper end. The intermediate placement reference base 2 has a first notch 21 on its lower rear side that mates with the slot 17. The intermediate placement reference base 2 has a U-shaped groove 20 at its bottom. A locking screw 11 is installed in the U-shaped groove 20. One end of the locking screw 11 is screwed into the positioning base 10, and the cap of the other end of the locking screw 11 is fastened to the front end of the intermediate placement reference base 2. When installing the intermediate placement reference base 2, firstly, the first notch 21 at the lower part of the intermediate placement reference base 2 is fastened into the slot 17 in the middle of the upper end of the positioning base 10 to position the intermediate placement reference base 2. Then, one end of the locking screw 11 passes through the U-shaped groove 20 and is screwed into the positioning base 10. By tightening the cap of the other end of the locking screw 11, the cap of the other end of the locking screw 11 is fastened to the front end of the intermediate placement reference base 2, thus fixing the intermediate placement reference base 2.

[0025] As an instruction for installing the inner auxiliary limiting reference seat 1, the left side of the slot 17 is provided with an upwardly raised step 18, the upper end of which is provided with a positioning boss 19. The rear side of the lower part of the inner auxiliary limiting reference seat 1 is provided with a second notch 22 that cooperates with the step 18. The top of the second notch 22 is provided with a positioning groove 23 that cooperates with the positioning boss 19. When installing the inner auxiliary limiting reference seat 1, firstly, the second notch 22 at the lower part of the inner auxiliary limiting reference seat 1 is engaged with the step 18, and at the same time, the positioning boss 19 at the upper end of the step 18 is inserted into the positioning groove 23 at the top of the second notch 22 to achieve the positioning of the inner auxiliary limiting reference seat 1. The inner auxiliary limiting reference seat 1 and the intermediate placement reference seat 2 are fixedly connected by fasteners 5.

[0026] When the outer auxiliary limiting reference seat 3 is installed, the rear side of the outer auxiliary limiting reference seat 3 rests against the front end face of the positioning seat 10. The lower end of the outer auxiliary limiting reference seat 3 is supported by the cutting machine worktable 12. The outer auxiliary limiting reference seat 3 is moved so that the outer auxiliary limiting reference seat 3 fits with the middle placement reference seat 2. The middle placement reference seat 2 and the outer auxiliary limiting reference seat 3 are fixedly connected by fasteners 5.

[0027] The inner side of the upper part of the outer auxiliary limiting reference seat 3 is provided with a groove 15 for accommodating the push block 7. The bottom of the groove 15 is provided with a reserved extension 16 for the thickness deviation range of the adhesive block 9 on the wafer.

[0028] At least one elongated groove 13 is provided on the upper end of the cutting machine worktable 12. A protruding structure 14 is provided on the bottom left side of the inner auxiliary limiting reference seat 1. The protruding structure 14 is engaged with one of the elongated grooves 13. The protruding structure 14 and the elongated groove 13 are used for left and right positioning of the inner auxiliary limiting reference seat 1. The positioning seat 10 is fixed to the upper end of the cutting machine worktable 12 with fasteners.

[0029] The central reference base 2 has a right-angle cutting groove 4, which is used to place the wafer adhesive block 9 that needs to be chamfered. Different sized chamfering pads 8 can be placed above the right-angle cutting groove 4, which are suitable for wafer adhesive blocks 9 of different sizes. The wafer adhesive block 9 is placed in the right-angle cutting groove 4. A horizontally sliding push block 7 is installed on the inner side of the outer auxiliary limiting reference base 3. The position of the push block 7 is adjusted by rotating the hand screw 6. The wafer adhesive block 9 is clamped and fixed by the inner wall of the inner auxiliary limiting reference base 1 in conjunction with the push block 7.

[0030] The entire device can be placed on the cutting machine worktable 12, the wafer to be processed is fixed with adhesive block 9, and the corner cutting work can be completed by running the grinding wheel.

[0031] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.

[0032] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0033] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0034] The above provides a detailed description of the device for cutting corners of adhesive blocks on quartz wafers provided in this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A device for chopping the corners of adhesive blocks on a quartz wafer, comprising an inner auxiliary limiting reference seat (1), a middle placement reference seat (2), and an outer auxiliary limiting reference seat (3), characterized in that: The upper end of the intermediate placement reference base (2) is provided with a right-angle cutting groove (4), which is used to place the wafer adhesive block (9) that needs to be cut. The inner auxiliary limiting reference base (1) and the outer auxiliary limiting reference base (3) are respectively installed on both sides of the intermediate placement reference base (2). The inner walls of the inner auxiliary limiting reference base (1) and the outer auxiliary limiting reference base (3) seal the two sides of the right-angle cutting groove (4). A push block (7) that slides back and forth horizontally is embedded in the inner side of the upper part of the outer auxiliary limiting reference base (3). Multiple hand screws (6) are screwed on the outer side of the outer auxiliary limiting reference base (3). The hand screws (6) are arranged horizontally, and one end of the hand screws (6) abuts against the push block (7).

2. The device for cutting corners of adhesive blocks on quartz wafers according to claim 1, characterized in that: The edges of the inner auxiliary limiting reference seat (1) and the outer auxiliary limiting reference seat (3) are both chamfered.

3. The device for cutting corners of adhesive blocks on quartz wafers according to claim 1, characterized in that: A corner-cutting pad (8) is placed on the front side of the upper end of the right-angle cutting groove (4).

4. The device for cutting corners of adhesive blocks on quartz wafers according to claim 1, characterized in that: It also includes a positioning seat (10), which has a slot (17) in the middle of its upper end. The lower rear side of the intermediate placement reference seat (2) has a first notch (21) that mates with the slot (17). The bottom of the intermediate placement reference seat (2) has a U-shaped groove (20), and a locking screw (11) is installed in the U-shaped groove (20). One end of the locking screw (11) is screwed to the positioning seat (10), and the cap of the other end of the locking screw (11) is fastened to the front end of the intermediate placement reference seat (2).

5. The device for cutting corners of adhesive blocks on quartz wafers according to claim 4, characterized in that: The card slot (17) is provided with an upward step (18) on the left side, and a positioning boss (19) is provided at the upper end of the step (18). The rear side of the lower part of the inner auxiliary limiting reference seat (1) is provided with a second notch (22) that cooperates with the step (18), and a positioning groove (23) that cooperates with the positioning boss (19) is provided at the top of the second notch (22).

6. The apparatus for cutting corners of adhesive blocks on quartz wafers according to claim 1, characterized in that: The outer auxiliary limiting reference seat (3) has a groove (15) on the inner side of the upper part to accommodate the push block (7), and a reserved extension (16) is provided at the bottom of the groove (15).

7. The apparatus for chopping corners of adhesive blocks on quartz wafers according to claim 1, characterized in that: The inner auxiliary limiting reference seat (1) and the middle placement reference seat (2) are fixedly connected by fasteners (5) as are the middle placement reference seat (2) and the outer auxiliary limiting reference seat (3).

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