Universal equipment for sand blasting

Abstract

The utility model relates to the technical field of semiconductor equipment part surface treatment, in particular to universal sand blasting equipment, which comprises a positioning chassis and a replaceable part bracket, a plurality of threaded hole array sets used for fixedly installing replaceable part brackets are evenly and radially distributed on the surface of the top of the positioning base plate with the circle center as the reference, and each threaded hole array set comprises a plurality of fixing threaded holes in a rectangular array. The replaceable part bracket comprises a sliding bracket A used for fixing circular parts, a sliding bracket B used for fixing rectangular parts and a floating bracket used for fixing irregular parts. According to the universal sand blasting equipment, the universal design concept is adopted, the adjustable universal equipment is designed by combining the characteristics of the sand blasting process, and the clamping position can be adjusted according to the shape and the size of the part size to achieve the universal purpose, so that the manual operation is reduced, the production efficiency is improved, the equipment utilization rate is improved, and the machining cost of a special jig is reduced.

Description

Technical Field

[0001] This utility model relates to the field of surface treatment technology for semiconductor equipment components, and specifically to a general-purpose sandblasting equipment. Background Technology

[0002] With the booming development of the semiconductor manufacturing industry and the continuous expansion of the machining industry, surface treatment processes for semiconductor equipment and mechanical parts are becoming increasingly critical. Among them, sandblasting, as an important surface treatment method, is widely used in the processing of various parts. Through sandblasting, impurities such as oxide layers, burrs, and stains can be effectively removed from the surface of parts. At the same time, it can improve the surface roughness of parts, enhance the adhesion between the parts and coatings / platings, and improve the wear resistance and corrosion resistance of parts, thereby improving the overall quality and reliability of parts.

[0003] However, in actual sandblasting operations, many problems urgently need to be solved. Because semiconductor equipment and mechanical parts are diverse in type and shape, encompassing various forms such as circles, rings, rectangles, and irregular shapes, and the dimensions of different parts also vary considerably, it is necessary to design and manufacture specialized sandblasting fixtures for each part of different shape and size during sandblasting operations.

[0004] The frequent use of specialized sandblasting fixtures has brought about several adverse effects. From a process cost perspective, designing and manufacturing each specialized fixture requires a significant investment of manpower, resources, and capital. It necessitates not only professional designers for the fixture's structural design but also the procurement of specific raw materials, the assignment of skilled workers for processing and manufacturing, and potentially subsequent debugging and optimization. As the variety of parts continues to increase, the number of specialized fixtures will also rise sharply, significantly increasing the company's process costs and squeezing profit margins.

[0005] In terms of manual operation, workers need to frequently change the corresponding specialized fixtures for different parts. This process is not only tedious but also increases the labor intensity of workers. Workers need to spend a lot of time and energy on disassembling and installing fixtures, resulting in a reduction in the effective time actually used for sandblasting operations and low production efficiency. At the same time, frequent fixture changes are also prone to equipment failure or parts damage due to operational errors, increasing the uncertainty and risk in the production process.

[0006] From the perspective of equipment utilization, because different parts require different specialized fixtures for sandblasting, the equipment needs frequent downtime for fixture replacement and adjustment. This prevents the equipment from maintaining a continuous and stable working state, resulting in a significant decrease in equipment utilization. Idle equipment not only wastes resources but also affects the company's production plans and delivery schedules, reducing its competitiveness in the market.

[0007] Therefore, developing a universal equipment that can adapt to sandblasting operations on parts of various shapes and sizes is of great practical significance. Utility Model Content

[0008] To address the aforementioned issues, this utility model provides a universal sandblasting device. This universal sandblasting device adopts a universal design concept and, combined with the characteristics of the sandblasting process, is designed as an adjustable universal device. The clamping position can be adjusted according to the shape and size of the parts to achieve universality, thereby reducing manual operation, improving production efficiency, increasing equipment utilization, and reducing the processing cost of special fixtures.

[0009] The technical solution of this utility model is as follows:

[0010] A general-purpose sandblasting device includes a positioning base and a replaceable parts bracket. The positioning base has a disc-shaped structure. On the top surface of the positioning base, there are several sets of threaded hole arrays evenly and radially distributed around the center for fixing and installing the replaceable parts bracket. Each set of threaded hole arrays includes several fixed threaded holes in a rectangular array. The replaceable parts bracket includes a sliding bracket A for fixing circular parts, a sliding bracket B for fixing rectangular parts, and a floating bracket for fixing irregular parts.

[0011] The top surface of the positioning chassis is equipped with a chassis sand discharge trough.

[0012] There are two sand discharge troughs on the chassis, which intersect the chassis in a cross shape with the center of the circle as the center of symmetry.

[0013] The positioning chassis, sliding bracket A, floating bracket and sliding bracket B are made of 42CrMo or 35CrMoV steel.

[0014] Sliding bracket A and sliding bracket B are fixedly installed on the positioning chassis by a limiting guide block. The limiting guide block is fixedly installed on the positioning chassis. Sliding bracket A consists of a slide rod A and a bracket body A, and sliding bracket B consists of a slide rod B and a bracket body B. A horizontal guide hole is provided on the limiting guide block to slide and cooperate with slide rod A or slide rod B. A positioning threaded hole is provided at the upper part of the guide hole. The positioning screw B is screwed into the positioning threaded hole and the end of it presses against slide rod A or slide rod B to fasten sliding bracket A and sliding bracket B to the limiting guide block.

[0015] Slide A or slide B is equipped with scale A or scale B.

[0016] The bracket body A is a stepped block structure, and a V-shaped groove is provided on the vertical surface of the bracket body A.

[0017] The bracket body B has a stepped block structure, and the facade of the bracket body B is a straight surface.

[0018] The floating bracket has a stepped block structure, and its facade is an outward-protruding arc.

[0019] The positioning chassis is fixedly installed on the positioner.

[0020] The beneficial effects of this utility model are as follows:

[0021] 1. This utility model discloses a universal sandblasting equipment that reduces process costs: The universal design reduces the number of specialized fixtures. This universal sandblasting equipment adopts a universal design concept and is equipped with replaceable part brackets, including sliding bracket A, sliding bracket B, and a floating bracket, which are used to fix circular (ring-shaped), rectangular, and irregular parts, respectively. Through this design, only one universal equipment is needed to meet the sandblasting needs of various parts with different shapes and sizes, greatly reducing the design and manufacturing quantity of specialized fixtures, thereby significantly reducing process costs. The positioning chassis, sliding bracket A, floating bracket, and sliding bracket B are made of 42CrMo or 35CrMoV steel. These two types of steel have advantages such as high strength, high toughness, and good wear resistance. While ensuring the structural strength of the equipment, material costs are reasonably controlled, avoiding cost waste caused by using unsuitable materials.

[0022] 2. This utility model discloses a universal sandblasting device that reduces the intensity and difficulty of manual operation: When dealing with parts of different shapes, workers no longer need to frequently change the entire set of special fixtures as before. They only need to select the corresponding replaceable part bracket according to the shape of the part. For example, sliding bracket A is used when processing round or ring-shaped parts, sliding bracket B is used when processing rectangular parts, and floating bracket is used when processing irregular parts. The quick bracket change method greatly simplifies the operation process, reduces the labor intensity of workers, and improves the convenience of operation. The sliding rod A of sliding bracket A and the sliding rod B of sliding bracket B are respectively set with scale A and scale B. When adjusting the position of the bracket to adapt to parts of different sizes, workers can accurately position according to the scale without repeated measurement and adjustment. This not only improves the accuracy of operation but also further reduces the difficulty of operation and reduces the time wastage and part damage risk caused by operational errors.

[0023] 3. This utility model discloses a universal sandblasting device that improves production efficiency: The top surface of the positioning base has several sets of threaded hole arrays evenly radially distributed around a central point. Each set of threaded hole arrays includes several fixed threaded holes in a rectangular array. This design allows replaceable part brackets to flexibly adjust their installation position on the positioning base to accommodate the clamping needs of parts of different sizes. Workers can quickly install the brackets in the appropriate position according to the actual size of the parts, eliminating the need for extensive customization and debugging as with specialized fixtures, thus significantly shortening production preparation time and improving production efficiency. The positioning base is fixedly mounted on a positioner, which can drive the positioning base and the parts mounted on it to rotate at multiple angles. During sandblasting, the coordinated work of the positioner ensures that different surfaces of the parts receive uniform sandblasting treatment, eliminating the need for frequent manual adjustments to the part positions, further improving the efficiency and quality of sandblasting operations and shortening the overall production cycle.

[0024] 4. This utility model discloses a universal sandblasting equipment that improves equipment utilization: Because this universal sandblasting equipment can quickly adapt to the sandblasting needs of parts with various shapes and sizes, it reduces equipment downtime caused by changing special fixtures. The equipment can maintain a relatively continuous working state, avoiding frequent shutdowns and startups, thus improving equipment operating efficiency and utilization, and enabling the equipment to better meet production plan requirements. The universal design concept of this equipment allows it to cover sandblasting operations of parts with various shapes in the semiconductor equipment and mechanical parts fields, broadening the equipment's application scope. Enterprises do not need to purchase separate dedicated sandblasting equipment for different types of parts; one universal equipment can meet multiple production needs, thereby improving equipment utilization in the production process, reducing equipment idle time, and achieving optimal resource allocation.

[0025] 5. This utility model discloses a universal sandblasting device that improves equipment utilization. Because this universal sandblasting device ensures equipment stability and sandblasting quality: the positioning chassis, limiting guide block, sliding bracket A, floating bracket, and sliding bracket B are all made of special steel, which has good rigidity and is not easily deformed. During sandblasting operations, the equipment needs to withstand various external forces such as sandblasting impact and the weight of parts. The use of special steel ensures the structural stability of each component, ensuring that the equipment will not deform or loosen during long-term operation, thus providing reliable hardware support for sandblasting operations and ensuring the smooth progress of sandblasting; limiting guide block… The block is fixedly installed on the positioning chassis, which is equipped with horizontal guide holes that slide with the sliding bracket slide rod, as well as positioning threaded holes for fastening the sliding bracket. This design ensures the stability and accuracy of the sliding bracket during the sliding process, allowing the parts to be precisely clamped and preventing shaking or displacement during sandblasting, thus ensuring the uniformity and quality of sandblasting. At the same time, the sand discharge grooves (two cross-shaped grooves symmetrically centered on the center of the circle that run through the chassis) on the top surface of the positioning chassis can promptly discharge sand particles generated during sandblasting, preventing sand accumulation from affecting the sandblasting effect and the normal operation of the equipment, further improving the quality and stability of the sandblasting operation. Attached Figure Description

[0026] The advantages and solutions of this application will become clear to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this invention.

[0027] In the attached diagram:

[0028] Figure 1 This is a three-dimensional structural diagram of a general-purpose sandblasting device according to an embodiment of the present utility model;

[0029] Figure 2 This is a three-dimensional structural diagram of the positioning chassis of a general-purpose sandblasting equipment according to an embodiment of the present utility model;

[0030] Figure 3 This is a three-dimensional structural diagram of a sliding bracket A of a general-purpose sandblasting device according to an embodiment of the present utility model;

[0031] Figure 4 This is a three-dimensional structural diagram of a limiting guide block for a general-purpose sandblasting device according to an embodiment of the present utility model;

[0032] Figure 5 This is a three-dimensional structural diagram of a floating bracket for a general-purpose sandblasting equipment according to an embodiment of the present utility model;

[0033] Figure 6This is a three-dimensional structural diagram of a sliding bracket B of a general-purpose sandblasting equipment according to an embodiment of the present utility model;

[0034] Figure 7 This is a three-dimensional structural diagram of the positioning screw B of a general sandblasting equipment according to an embodiment of the present utility model;

[0035] Figure 8 This is a three-dimensional structural diagram of a general-purpose sandblasting device according to an embodiment of the present invention when clamping parts;

[0036] The components represented by the various reference numerals in the diagram are:

[0037] This utility model comprises: 1. a positioning base, 11. a fixing threaded hole, 12. a sand discharge groove on the base, 2. a sliding bracket A, 21. a sliding rod A, 211. a scale A, 22. a bracket body A, 221. a V-groove, 3. a limiting guide block, 31. a guide hole, 32. a positioning threaded hole, 4. a floating bracket, 5. a sliding bracket B, 51. a sliding rod B, 511. a scale B, 52. a bracket body B, 6. a fastening screw A, 7. a positioning screw A, 8. a fastening screw B, 9. a positioning screw B, and 10. a positioner. Detailed Implementation

[0038] like Figure 1 As shown, the general-purpose sandblasting equipment mainly consists of a positioning chassis 1, a limiting guide block 3, a sliding bracket A2, a floating bracket 4, a sliding bracket B5, fastening screws A6, positioning screws A7, fastening screws B8, positioning screws B9, and a positioner 10.

[0039] like Figure 2 As shown, the positioning chassis 1 has a disc-shaped structure, and its top surface has several sets of threaded hole arrays evenly radially distributed around the center. Each set of threaded hole arrays includes several fixed threaded holes 11 in a rectangular array (matrix arrangement), which are used to fix and install replaceable parts brackets. In addition, the top surface of the positioning chassis 1 is also provided with chassis sand discharge grooves 12, and there are two chassis sand discharge grooves 12, which cross the chassis body in a cross shape with the center as the center of symmetry.

[0040] The positioning chassis 1, as the fundamental support component of the entire sandblasting equipment, provides flexible and diverse installation positions for replaceable part brackets due to its disc-shaped structure and evenly distributed array of threaded holes, adapting to the clamping needs of parts of different sizes and shapes. By installing brackets on the threaded holes at different positions, various parts can be stably fixed. The chassis sand discharge troughs 12 are designed to promptly discharge sand particles generated during sandblasting. During sandblasting, sand particles continuously impact the surface of the parts and scatter. Without discharge troughs, sand particles may accumulate on the positioning chassis, affecting not only the uniformity of the sandblasting operation but also potentially causing equipment instability or even damage to equipment components. Two cross-shaped sand discharge troughs 12 running through the chassis effectively guide the sand particles out, ensuring the normal operation of the sandblasting process.

[0041] The positioning chassis 1 is made of 42CrMo or 35CrMoV steel. These two types of steel possess excellent comprehensive mechanical properties, exhibiting high strength, high toughness, and good wear resistance. During sandblasting operations, the positioning chassis needs to withstand the impact of sandblasting, the weight of the parts, and various stresses generated during equipment operation. Using these two types of steel ensures that the positioning chassis 1 has good rigidity and is not easily deformed, thereby guaranteeing the stability of the equipment and extending its service life.

[0042] The limiting guide block 3 is fixedly installed on the positioning base 1 by fastening screw A6, such as Figure 4 As shown, it is provided with a horizontal guide hole 31 that slides in conjunction with the slide rod A21 of the sliding bracket A2 or the slide rod B51 of the sliding bracket B5. A positioning threaded hole 32 is provided above the guide hole 31.

[0043] The limiting guide block 3 plays a crucial role in the equipment, providing precise guidance for the sliding of sliding brackets A2 and B5. When the position of the sliding brackets needs to be adjusted to accommodate parts of different sizes, the sliding rods of the sliding brackets slide within the guide holes 31 of the limiting guide block 3, ensuring the stability and accuracy of the sliding and preventing wobbling or displacement of the sliding brackets during the sliding process. The positioning threaded hole 32 works in conjunction with the positioning screw B9. After the sliding brackets are adjusted to the appropriate position, the positioning screw B9 is screwed into the positioning threaded hole 32, and its end presses against the sliding rod A21 or sliding rod B51, thereby securing the sliding brackets A2 and B5 to the limiting guide block 3. This ensures that the sliding brackets will not move during the sandblasting operation, guaranteeing the clamping stability of the parts.

[0044] The limiting guide block 3 is also made of 42CrMo or 35CrMoV steel. Since the limiting guide block 3 needs to withstand the friction and sandblasting impact forces generated when the sliding bracket slides during sandblasting operations, using these two types of steel can ensure that it has good rigidity and is not easily deformed, ensuring the stability of the sliding bracket when sliding. At the same time, it has good wear resistance, is not easily worn, and extends the service life of the equipment.

[0045] like Figure 3 As shown, the sliding bracket A2 consists of a slide rod A21 and a bracket body A22. The slide rod A21 is provided with a scale A211, and the bracket body A22 is a stepped block structure with a V-shaped groove 221 on its vertical surface.

[0046] The sliding bracket A2 is mainly used to fix round or annular parts. Before sandblasting, according to the size of the round part, the sliding bracket A2 is slid through the guide hole 31 of the limiting guide block 3 via the slide rod A21 to adjust it to a suitable position. The scale A211 on the slide rod A21 provides a precise reference for the adjustment process. Workers can quickly and accurately determine the position of the sliding bracket according to the scale, improving adjustment efficiency while ensuring accuracy. The V-groove 221 design of the bracket body A22 effectively fixes the round part. The special shape of the V-groove can automatically center the round part, keeping the part stable during sandblasting and preventing it from shaking, thus ensuring the uniformity and quality of sandblasting.

[0047] The sliding bracket A2 is made of 42CrMo or 35CrMoV steel. During sandblasting operations, the sliding bracket A2 needs to withstand the weight of the parts and the impact force of sandblasting. Using these two types of steel ensures its rigidity and resistance to deformation, guarantees stability during sliding, and is not easily worn. This ensures that round parts can be accurately fixed during long-term use, guaranteeing the smooth progress of sandblasting operations.

[0048] like Figure 5 As shown, the floating bracket 4 is a stepped block structure with an outward-protruding arc on its facade.

[0049] The floating bracket 4 is mainly used to fix irregular parts. Due to the complex shape of irregular parts, it is difficult to achieve stable clamping using conventional fixing methods. The outwardly protruding arc-shaped surface of the floating bracket 4 can better conform to the surface of irregular parts. During sandblasting, the floating bracket 4 can adaptively adjust to a certain extent according to the shape of the irregular parts, ensuring the stability of the parts during sandblasting, allowing the sandblasting to act evenly on the surface of the parts, and improving the sandblasting quality. The floating bracket 4 is fastened to the positioning base 1 by positioning screws A7.

[0050] The floating bracket 4 is made of 42CrMo or 35CrMoV steel. During sandblasting operations, the floating bracket 4 needs to bear the weight of irregular parts and the impact force of sandblasting. Using these two types of steel can ensure that it has good rigidity and is not easily deformed, ensuring that irregular parts can be stably fixed during sandblasting, not easily worn, and extending the service life of the equipment.

[0051] like Figure 6 As shown, the sliding bracket B5 consists of a slide rod B51 and a bracket body B52. The slide rod B51 is provided with a scale B511, and the bracket body B52 is a stepped block structure with a straight surface.

[0052] The sliding bracket B5 is mainly used to fix rectangular parts. Before sandblasting, according to the size of the rectangular part, the sliding bracket B5 is slid through the guide hole 31 of the limiting guide block 3 via the slide rod B51 to adjust it to a suitable position. The scale B511 on the slide rod B51 provides a precise reference for the adjustment process. Workers can quickly and accurately determine the position of the sliding bracket according to the scale, improving adjustment efficiency while ensuring accuracy. The straight surface of the bracket body B52 can fit tightly against the side of the rectangular part, such as... Figure 8 As shown, stable fixation is achieved, ensuring that the rectangular parts will not move during the sandblasting process, thus ensuring the uniformity and quality of sandblasting.

[0053] The sliding bracket B5 is made of 42CrMo or 35CrMoV steel. During sandblasting operations, the sliding bracket B5 needs to withstand the weight of the rectangular parts and the impact force of sandblasting. Using these two types of steel ensures its rigidity and resistance to deformation, guarantees stability during sliding, and is not easily worn. This ensures that the rectangular parts can be accurately fixed during long-term use, guaranteeing the smooth progress of sandblasting operations.

[0054] like Figure 7 As shown, the positioning screw B9 is mainly used to fasten the sliding brackets A2 and B5 to the limiting guide block 3. After the sliding brackets are adjusted to the appropriate position, the positioning screw B9 is screwed into the positioning threaded hole 32 on the limiting guide block 3, and its end presses against the sliding rod of the sliding bracket, thereby preventing the sliding brackets from moving during the sandblasting operation and ensuring the clamping stability of the parts.

[0055] The positioner 10 is a mechanical device capable of multi-angle rotation, typically composed of components such as a motor, reducer, rotating shaft, and support frame. The motor provides power, which is transmitted to the rotating shaft through the reducer, enabling the rotating shaft to rotate at a set speed and angle. The support frame supports components such as the positioning chassis 1.

[0056] The positioner 10 plays a crucial role in sandblasting operations. During sandblasting, the positioning base 1 is fixedly mounted on the positioner 10 using fastening screws B8. The positioner 10 can rotate the positioning base 1 and the parts mounted on it at multiple angles. This rotation ensures that different surfaces of the parts receive uniform sandblasting treatment, avoiding uneven sandblasting caused by fixed part positions and improving the quality and efficiency of the sandblasting operation. Furthermore, the positioner's multi-angle rotation function can adapt to the sandblasting needs of parts with different shapes. For example, for parts with complex curved surfaces, the precise rotation of the positioner allows the sandblasting gun to accurately target various parts of the part, ensuring consistent sandblasting results.

[0057] Specific operating steps for this general-purpose sandblasting equipment:

[0058] (I) Equipment assembly steps

[0059] Parts preparation: Gather all manufactured and standard parts according to the equipment list. Before assembly, carefully inspect all parts to ensure that they are undamaged and undeformed, that their dimensions meet the design requirements, and that the threaded holes, guide holes, and other machined parts of each component are free of burrs and blockages, and that the surfaces are free of oil stains and impurities. Assembly can only proceed after the inspection is completed and all parts are found to be correct.

[0060] Positioning base installation: Use fastening screws B8 to install the positioning base 1 onto the positioner 10. During installation, ensure that the positioning base 1 and the mounting surface of the positioner 10 are tightly fitted, and securely connect the two using the fastening screws B8. After installation, check the levelness and verticality of the positioning base 1 to ensure that its installation position is accurate and without significant deviation. A level, angle gauge, or other tools can be used for inspection. If deviation is found, adjust the tightening of screw assembly B promptly until the positioning base 1 achieves the required installation accuracy.

[0061] Installation of the limit guide block: Secure the limit guide block 3 to the positioning base 1 using fastening screws A6. During installation, determine the installation position of the limit guide block 3 according to the design requirements, ensuring accurate alignment with the threaded holes on the positioning base 1. Tighten the limit guide block 3 gradually using fastening screws A6, taking care to maintain its horizontal and vertical alignment during tightening to avoid any tilting. After installation, recheck the installation position and fixation of the limit guide block 3 to ensure it is securely installed and provides stable guidance for the sliding bracket.

[0062] Installation of sliding brackets and floating brackets: According to production requirements, install sliding brackets A2, B5, and 4 on the positioning base 1. When installing sliding brackets A2 and B5, insert their sliding rods A21 and B51 into the guide holes 31 of the limiting guide block 3, allowing the sliding brackets to slide freely within the guide holes 31. During the sliding process, observe whether the sliding is smooth and whether there is any jamming. If jamming occurs, check whether there are foreign objects or burrs on the sliding rods and guide holes, and clean and handle them in time. Then, adjust the position of the sliding brackets according to the required dimensions of the parts to be fixed. During the adjustment process, the position of the sliding brackets can be quickly and accurately determined by referring to the scales A211 and B511 on the sliding rods. After the sliding bracket is adjusted to the appropriate position, screw the positioning screw B9 into the positioning threaded hole 32 and tighten the positioning screw B9 so that its end presses against the sliding rod A21 or sliding rod B51, thus securing the sliding bracket A2 and sliding bracket B5 to the limiting guide block 3. The floating bracket 4 is then directly installed in a suitable position on the positioning base 1 according to its shape and positioning requirements, and is fixed by the screw assembly to ensure that the floating bracket 4 is firmly installed and can stably fix irregular parts.

[0063] (II) Sandblasting operation procedures for different parts

[0064] Sandblasting of round or ring-shaped parts

[0065] Bracket Selection and Installation: Before sandblasting, select and fix the sliding bracket A2 according to the size and shape of the round part. Install the sliding bracket A2 on the positioning base 1, and adjust the position of the sliding bracket A2 according to the above sliding bracket installation steps so that the V-groove 221 can accurately adapt to the contour of the round part.

[0066] Part securing: Place the circular part in the V-groove 221 of the sliding bracket A2. Adjust the position of the sliding bracket A2 to ensure that the V-groove 221 fits tightly against the circular part, preventing the part from shaking during sandblasting. Then, tighten the positioning screw B9 again to further secure the sliding bracket A2 and ensure the stability of the part clamping.

[0067] Sandblasting operation: Start the positioner 10 to allow the positioning base 1 and the circular part fixed on it to begin rotating slowly. Simultaneously, turn on the sandblasting equipment and adjust the angle and pressure of the sandblasting gun to ensure even sandblasting of the circular part's surface. During the sandblasting process, closely observe the sandblasting progress and adjust the positioner's rotation speed and the sandblasting gun's position as needed to ensure uniform sandblasting treatment of all parts of the circular part.

[0068] Work Completion and Cleanup: After the sandblasting of the round parts has reached the required level, turn off the sandblasting equipment and positioner 10. Remove the sandblasted round parts from the sliding bracket A2, and clean the residual sand particles from the positioning base 1, sliding bracket A2, and other components to prepare for the next sandblasting operation.

[0069] Sandblasting of rectangular parts

[0070] Bracket Selection and Installation: For rectangular parts, select sliding bracket B5 for fixation. Install sliding bracket B5 on positioning base 1, and adjust the position of sliding bracket B5 according to the size of the rectangular part so that the vertical surface of bracket body B52 can fit tightly against the side of the rectangular part.

[0071] Part Fixing: Place the rectangular part on the sliding bracket B5. Adjust the position of the sliding bracket B5 to stably fix the rectangular part on the bracket. Ensure that the rectangular part will not move during sandblasting. Then tighten the positioning screw B9 to firmly fix the sliding bracket B5 to the limit guide block 3.

[0072] Sandblasting operation: Start the positioner 10 to make the positioning chassis 1 and the rectangular part start to rotate. Turn on the sandblasting equipment and adjust the sandblasting parameters to ensure that the sandblasting can evenly cover the surface of the rectangular part. During the sandblasting process, carefully observe the sandblasting effect on the rectangular part and adjust the rotation of the positioner and the working status of the sandblasting gun according to the actual situation to ensure the sandblasting quality of the rectangular part.

[0073] Work Completion and Cleanup: After the sandblasting operation is completed, turn off the relevant equipment and remove the sandblasted rectangular parts. Clean the sand and impurities off the equipment and keep it clean.

[0074] Sandblasting of irregular parts

[0075] Bracket selection and installation: For irregular parts, select floating bracket 4 for fixation. Install floating bracket 4 in a suitable position on positioning base 1. Adjust the angle and position of floating bracket 4 according to the shape characteristics of irregular parts so that it can fit the surface of irregular parts as closely as possible.

[0076] Part Fixing: Place the irregular part on the floating bracket 4. By appropriately adjusting the position of the floating bracket 4 and the part, the irregular part is stably fixed on the floating bracket 4. Due to the complex shape of the irregular part, multiple adjustments may be required during the fixing process to ensure that the part does not shake or shift during sandblasting.

[0077] Sandblasting operation: Start the positioner 10 to rotate the positioning chassis 1 and the irregular parts. Turn on the sandblasting equipment and flexibly adjust the angle and pressure of the sandblasting gun according to the shape of the irregular parts and the sandblasting requirements. During the sandblasting process, closely monitor the sandblasting of the irregular parts, especially for areas that are difficult to reach. Adjusting the rotation angle of the positioner can allow the sandblasting gun to better target these areas, ensuring uniform sandblasting of the irregular parts.

[0078] Work Completion and Cleanup: After the sandblasting operation is completed, shut down the equipment and remove any irregular parts. Clean the sand and residue off the equipment and perform necessary maintenance and upkeep.

[0079] This universal sandblasting equipment, through its unique design and rational structural layout, supports sandblasting operations on parts of various shapes and sizes. Its positioning chassis features a threaded hole array and sand discharge trough design, a versatile structure with replaceable part brackets, precise guiding function of the limit guide blocks, and multi-angle rotation capability of the positioner, all contributing to the equipment's stability, efficiency, and versatility in sandblasting operations. The use of high-quality materials such as 42CrMo or 35CrMoV steel improves the equipment's wear resistance and service life. In actual production, assembling, debugging, and operating the equipment according to the specific implementation plan outlined above can effectively reduce process costs, decrease manual labor, and improve production efficiency and equipment utilization, providing an efficient and economical solution for sandblasting of semiconductor equipment and mechanical parts.

Claims

1. A general-purpose sandblasting equipment, characterized in that, The system includes a positioning base (1) and a replaceable parts bracket. The positioning base (1) is a disc-shaped structure. On the top surface of the positioning base (1), there are several sets of threaded hole arrays for fixing and installing the replaceable parts bracket in a uniform radial pattern with the center of the disc as the reference. Each set of threaded hole arrays includes several fixed threaded holes (11) in a rectangular array. The replaceable parts bracket includes a sliding bracket A (2) for fixing round parts, a sliding bracket B (5) for fixing rectangular parts, and a floating bracket (4) for fixing irregular parts.

2. The general-purpose sandblasting equipment according to claim 1, characterized in that, The top surface of the positioning chassis (1) is provided with a chassis sand discharge trough (12).

3. The general-purpose sandblasting equipment according to claim 2, characterized in that, The chassis sand discharge trough (12) is provided in two parts, and the two chassis sand discharge troughs (12) pass through the chassis in a cross shape with the center of the circle as the center of symmetry.

4. The general-purpose sandblasting equipment according to claim 1, characterized in that, The positioning chassis (1), sliding bracket A (2), floating bracket (4) and sliding bracket B (5) are made of 42CrMo or 35CrMoV steel.

5. A general-purpose sandblasting equipment according to claim 1, characterized in that, The sliding bracket A (2) and sliding bracket B (5) are fixedly installed on the positioning chassis (1) by the limiting guide block (3). The limiting guide block (3) is fixedly installed on the positioning chassis (1). The sliding bracket A (2) is composed of a sliding rod A (21) and a bracket body A (22). The sliding bracket B (5) is composed of a sliding rod B (51) and a bracket body B (52). A horizontal guide hole (31) is provided on the limiting guide block (3) to slide and cooperate with the sliding rod A (21) or the sliding rod B (51). A positioning threaded hole (32) is provided at the upper part of the guide hole (31). The positioning screw B (9) is screwed into the middle end of the positioning threaded hole (32) to tighten the sliding rod A (21) or the sliding rod B (51) and fasten the sliding bracket A (2) and the sliding bracket B (5) on the limiting guide block (3).

6. A general-purpose sandblasting equipment according to claim 5, characterized in that, The slide bar A (21) or slide bar B (51) is provided with scale A (211) or scale B (511).

7. A general-purpose sandblasting equipment according to claim 5, characterized in that, The bracket body A (22) is a stepped block structure, and a V-shaped groove (221) is provided on the vertical surface of the bracket body A (22).

8. A general-purpose sandblasting equipment according to claim 5, characterized in that, The bracket body B (52) is a stepped block structure, and the facade of the bracket body B (52) is a straight surface.

9. A general-purpose sandblasting equipment according to claim 1, characterized in that, The floating bracket (4) is a stepped block structure, and the facade of the floating bracket (4) is an outwardly protruding arc.

10. A general-purpose sandblasting equipment according to claim 1, characterized in that, The positioning chassis (1) is fixedly installed on the positioner (10).

Images