A positioning and clamping table for aluminum alloy die castings

By designing a positioning and clamping platform for aluminum alloy die castings, and utilizing a clamping slot and rotating disc driven by cylinders and motors, the problem of mechanical fatigue caused by workers holding spray guns was solved, realizing semi-automatic sandblasting of aluminum alloy die castings and improving production efficiency and quality.

CN224274686UActive Publication Date: 2026-05-26SHANGHAI HONGZHI METAL PROD CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI HONGZHI METAL PROD CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In the current sandblasting process for aluminum alloy die-casting parts, the manual operation of the spray gun by workers leads to mechanical fatigue, making it difficult to ensure uniform sandblasting of large batches of parts and affecting production quality.

Method used

A positioning and clamping platform for aluminum alloy die castings was designed. It utilizes a clamping slot and rotating disk driven by a cylinder and a motor to achieve semi-automatic fixing and rotating sandblasting of the parts. Combined with an inclined surface and spring structure, it improves the efficiency and effect of sandblasting.

Benefits of technology

It enables semi-automatic fixing and rotary sandblasting of aluminum alloy die-cast parts, improving processing efficiency and quality, reducing mechanical fatigue, and meeting the needs of mass production.

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Abstract

This utility model provides a positioning and clamping table for aluminum alloy die castings, comprising: a clamping table, wherein the clamping table is provided with a first spacer, and second spacers are arranged in a linear array on the first spacer, forming a clamping groove between the first spacer and the second spacers; a cylinder, wherein the cylinder is disposed on the clamping table, and the output shaft of the cylinder faces the clamping groove; and a drive unit, wherein the drive unit is disposed on the clamping table, and the drive unit includes a support cover and a rotating disk disposed on the clamping table, and a motor is disposed on the support cover. The positioning and clamping table for aluminum alloy die castings provided by this utility model allows the part to be placed on the clamping groove and output using the cylinder, thereby semi-automatically fixing the part to the clamping table. Subsequently, during the sandblasting process, the motor controls the rotation of the clamping table to coordinate the part with the sandblasting gun, thereby improving the processing efficiency and effect of the part.
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Description

Technical Field

[0001] This utility model relates to the field of aluminum alloy die casting processing technology, and more specifically to an aluminum alloy die casting positioning and clamping table. Background Technology

[0002] Aluminum alloy die casting involves introducing a molten metal solution into a mold cavity and then solidifying it into an individual part through high extrusion, thus meeting the needs of parts with complex dimensions or mass production.

[0003] After aluminum alloy die castings are formed, the surface of the parts needs to be sandblasted to remove stains, burrs, and other surface residues. Currently, aluminum alloy die castings are often clamped and fixed in a bench vise before sandblasting. As a result, during the sandblasting process, workers need to hold the spray gun around the aluminum alloy die castings to process them. If there are many parts, it will cause mechanical fatigue to the workers, and it is easy for some areas of the aluminum alloy die castings to be not sandblasted properly, resulting in defects on the surface of the parts and affecting the production quality of the parts. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies and to solve the problem of clamping and fixing aluminum alloy die-cast parts during mass production.

[0005] To achieve the above objectives, this utility model can be implemented through the following technical solution: a positioning and clamping platform for aluminum alloy die castings, comprising:

[0006] A clamping table is provided with a first spacer bar, and a second spacer bar is arranged in a linear array on the first spacer bar, forming a clamping groove between the first spacer bar and the second spacer bar.

[0007] A cylinder, wherein the cylinder is disposed on the clamping table and the output shaft of the cylinder faces the clamping slot;

[0008] A drive unit is disposed on the clamping table. The drive unit includes a support cover and a rotating disk disposed on the clamping table. A motor is disposed on the support cover, and a locking rod that engages with the rotating disk is disposed on the output shaft of the motor.

[0009] In this embodiment of the utility model, the lever is provided with linkage blocks arranged in a circular array, and the linkage blocks include inclined portions and right-angle portions that are connected to each other;

[0010] A support sleeve is rotatably mounted on the clamping platform, and a first spring is provided between the support sleeve and the support sleeve.

[0011] In this embodiment of the utility model, a gap area is provided between the support sleeve and the support cover.

[0012] In this embodiment of the utility model, the first spacer has a positioning hole, and the second spacer is engaged in the positioning hole.

[0013] In this embodiment of the utility model, a rotating rod and a positioning rod are respectively provided on the second spacer rod, and both the rotating rod and the positioning rod are provided with mutually fitting inclined surfaces;

[0014] The rotating rod is threaded onto the second spacer rod, and the rotating rod rotates to control the positioning rod to move away from or closer to the positioning hole.

[0015] In this embodiment of the utility model, a groove is provided on the second spacer rod.

[0016] In this embodiment of the utility model, a retainer is snapped onto the first spacer rod.

[0017] In this embodiment of the utility model, the output end of the cylinder is provided with a push plate that slides on the clamping table, a clamping block is slidably provided on the push plate, and a second spring is provided between the clamping block and the push plate.

[0018] In this embodiment of the utility model, a support block is provided on the clamping platform, and a guide block that cooperates with the cylinder is provided on the support block.

[0019] In this embodiment of the utility model, a pad is provided on the support block.

[0020] Compared with the prior art, the advantages of this application are: the parts are placed on the clamping slot and output by the cylinder, so that the parts are semi-automatically fixed on the clamping table. Then, during the sandblasting process, the clamping table is rotated by the motor so that the parts are in sync with the sandblasting of the spray gun, thereby improving the processing efficiency and effect of the parts. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall component assembly structure;

[0022] Figure 2 This is a schematic diagram showing the disassembled structure of the clamping stage and the drive unit;

[0023] Figure 3 This is a schematic diagram of the structure of a single cylinder after disassembly on the mounting platform;

[0024] Figure 4 This is a schematic diagram of the internal structure of the support cover in the drive unit (half-section).

[0025] Figure 5 It is a partial cross-sectional view of the internal parts.

[0026] Figure 6 yes Figure 5 Enlarged view of point A in the middle.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Clamping platform; 11. Clamping slot; 12. First spacer; 121. Positioning hole; 13. Second spacer; 131. Rotating rod; 132. Inclined surface; 133. Positioning rod; 134. Groove; 135. Sleeve; 14. Guide block; 15. Support block; 2. Drive unit; 21. Motor; 22. Support cover; 221. Top plate; 23. Support sleeve; 24. Rotating disk; 25. First spring; 26. Clamping rod; 27. Coupling sleeve; 28. Linkage block; 281. Inclined part; 282. Right angle part; 3. Cylinder; 31. Push plate; 32. Pad block; 33. Second spring; 34. Guide rod; 35. Clamping block. Detailed Implementation

[0029] The following are specific embodiments of the present invention, and the technical solution of the present invention will be further described in conjunction with the accompanying drawings.

[0030] like Figure 1-6 As shown, a positioning and clamping table for aluminum alloy die castings includes:

[0031] A clamping table 1 is provided with a first spacer bar. A second spacer bar 13 is arranged in a linear array on the first spacer bar 12. The linear array is formed by evenly distributing the second spacer bar 13 along the length direction of the first spacer bar 12. A clamping groove 11 is formed between the first spacer bar 12 and the second spacer bar 13.

[0032] Cylinder 3 is mounted on clamping table 1, and the output shaft of cylinder 3 faces clamping groove 11.

[0033] Drive unit 2 is mounted on clamping table 1. Drive unit 2 includes support cover 22 and rotating disk 24 mounted on clamping table 1. Motor 21 is mounted on support cover 22. A locking rod 26 that engages with rotating disk 24 is mounted on the output shaft of motor 21.

[0034] Specifically, the support cover 22 is fixed to an external fixed base. When sandblasting aluminum alloy die castings, the aluminum alloy die castings are placed on the clamping slot 11. At this time, the cylinder 3 outputs to fix multiple aluminum alloy die castings onto the clamping table 1. Then, the position of the spray gun is fixed according to the size of the part. The motor 21 controls the clamping table 1 to rotate, so that the sand particles of the spray gun are fully sprayed onto the surface of the aluminum alloy die castings, thereby removing impurities on the surface of the aluminum alloy die castings and improving the production effect of aluminum alloy die castings. The semi-automatic clamping improves the assembly efficiency. At the same time, the fixed position of the spray gun and the rotation method of the aluminum alloy die castings are adapted to the processing of large batches of parts.

[0035] As a further embodiment of this utility model, the clamping rod 26 is provided with linkage blocks 28 arranged in a circular array. Specifically, the circular array is as follows: taking the central axis of the clamping rod 26 as a reference, multiple linkage blocks 28 are evenly distributed in a ring on the clamping rod 26. The linkage blocks 28 are located at one end of the clamping rod 26, and a coupling sleeve 27 that cooperates with the motor 21 is provided at the other end. The linkage block 28 includes an inclined part 281 and a right-angle part 282 that are connected to each other. A support sleeve 23 is rotatably arranged on the clamping table 1. A first spring 25 is arranged between the support sleeves 23. A top plate 221 is arranged on the support cover 22. The first spring 25 is fixed. Positioned between the top plate 221 and the support sleeve 23, when the motor 21 rotates clockwise, the right-angled part 282 of the linkage block 28 will abut against the rotating disk 24, thereby driving the clamping table 1 to rotate to cooperate with the sandblasting operation of the spray gun. When the motor 21 rotates counterclockwise, the rotating disk 24 will rotate along the inclined part 281. Since the inclined part 281 has a certain height difference, when the rotating disk 24 rotates one inclined part 281, it will instantly contact the clamping rod 26 under the action of gravity, thereby causing the clamping table 1 to shake, thereby shaking off the sand particles on the clamping table 1 and improving the cleaning effect of the clamping table 1.

[0036] As a further embodiment of this utility model, a gap is provided between the support sleeve 23 and the support cover 22. The gap is the gap between the support sleeve 23 and the support cover 22. When the motor 21 rotates counterclockwise, under the action of the linkage block 28 of the clamping rod 26, the clamping table 1 is controlled to shake on the support sleeve 23 by the rotating disk 24. The setting of the gap will not hinder the shaking of the clamping table 1.

[0037] As a further embodiment provided by this utility model, a positioning hole 121 is provided on the first spacer 12, and the second spacer 13 is engaged in the positioning hole 121. The positioning hole 121 is also the installation position of the second spacer 13. The width of the two adjacent spacers is controlled according to the size of the parts so as to satisfy the clamping of more parts of different sizes.

[0038] As a further embodiment of this utility model, the second spacer 13 is provided with a rotating rod 131 and a positioning rod 133 respectively. Both the rotating rod 131 and the positioning rod 133 are provided with a mating inclined surface 132. The rotating rod 131 is threaded to the second spacer 13. The rotating rod 131 rotates to control the positioning rod 133 to move away from or closer to the positioning hole 121. When the position of the second spacer 13 is determined, the rotating rod 131 is controlled to rotate. At this time, the rotating rod 131 will move downward along the axis and push the positioning rod 133 into the positioning hole 121 through the inclined surface 132, thereby fixing the second spacer 13 to the clamping table 1.

[0039] As a further embodiment of this utility model, a groove 134 is provided on the second spacer 13. The groove 134 has the effect of sand leakage. During the sandblasting process, a small amount of sand particles will remain in the clamping groove 11. At this time, the motor 21 rotates counterclockwise, so that the clamping table 1 will vibrate, thereby causing the sand particles in the clamping groove 11 to be shaken off through the groove 134.

[0040] As a further embodiment provided by this utility model, a sleeve 135 is snapped onto the first spacer 12. The sleeve 135 is made of soft material. When the part is installed on the clamping groove, the sleeve 135 contacts the part to initially generate a certain clamping support force on the part.

[0041] As a further embodiment of this utility model, the output end of the cylinder 3 is provided with a push plate 31 that slides on the clamping table 1. A clamping block 35 is slidably provided on the push plate 31. A second spring 33 is provided between the clamping block 35 and the push plate 31. The second spring 33 is used to reduce the instantaneous impact generated during the clamping process, thereby protecting the outer surface of the part. Furthermore, a guide rod 34 is provided on the clamping block 35. The guide rod 34 is located inside the push plate 31 and slides in contact with the second spring 33. The guide rod 34 plays a guiding role for the clamping block 35, thereby increasing the force exerted by the clamping block 35 on the part.

[0042] As a further embodiment of this utility model, a support block 15 is provided on the clamping table 1, and a guide block 14 that cooperates with the cylinder 3 is provided on the support block 15. The support block 15 consists of two sets fixed on both sides of the clamping table 1, thereby limiting the cylinder 3 through the support block 15. The guide block 14 has a hole in the middle that cooperates with the output rod of the cylinder 3, which improves the guiding effect of the output rod of the cylinder 3 and makes the clamping of the parts more stable.

[0043] As a further embodiment of this utility model, a pad 32 is provided on the support block 15. The pad 32 is made of a soft material, such as a rubber pad. When the cylinder 3 retracts, the impact force of the push block is reduced by the pad 32, thereby improving the service life of the parts.

[0044] The above-described technical solution of this utility model addresses the problem that existing technical solutions are too simplistic and provides a solution that is significantly different from existing technologies. The parts not covered in this application's technical solution are the same as or can be implemented using existing technologies, and will not be described in detail here.

[0045] The technical solutions in the above embodiments have clearly and completely described the content of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

Claims

1. A positioning and clamping platform for aluminum alloy die castings, characterized in that, include: A clamping table is provided with a first spacer bar, and a second spacer bar is arranged in a linear array on the first spacer bar, forming a clamping groove between the first spacer bar and the second spacer bar. A cylinder, wherein the cylinder is disposed on the clamping table and the output shaft of the cylinder faces the clamping slot; A drive unit is disposed on the clamping table. The drive unit includes a support cover and a rotating disk disposed on the clamping table. A motor is disposed on the support cover, and a locking rod that engages with the rotating disk is disposed on the output shaft of the motor.

2. The positioning and clamping table for aluminum alloy die castings according to claim 1, characterized in that, The lever is provided with linkage blocks arranged in a circular array, and the linkage blocks include inclined parts and right-angled parts that are connected to each other. A support sleeve is rotatably mounted on the clamping platform, and a first spring is provided between the support sleeve and the support sleeve.

3. The positioning and clamping table for aluminum alloy die castings according to claim 2, characterized in that, A gap is provided between the support sleeve and the support cover.

4. The positioning and clamping table for aluminum alloy die castings according to claim 1, characterized in that, The first spacer has a positioning hole, and the second spacer is engaged in the positioning hole.

5. The positioning and clamping table for aluminum alloy die castings according to claim 4, characterized in that, The second spacer is provided with a rotating rod and a positioning rod, and both the rotating rod and the positioning rod are provided with a mating inclined surface; The rotating rod is threaded onto the second spacer rod, and the rotating rod rotates to control the positioning rod to move away from or closer to the positioning hole.

6. The positioning and clamping table for aluminum alloy die castings according to claim 4, characterized in that, The second spacer has a groove.

7. The positioning and clamping platform for aluminum alloy die castings according to claim 1, characterized in that, A retaining sleeve is attached to the first spacer rod.

8. The positioning and clamping table for aluminum alloy die castings according to claim 1, characterized in that, The output end of the cylinder is provided with a push plate that slides on the clamping table, a clamping block is slidably provided on the push plate, and a second spring is provided between the clamping block and the push plate.

9. A positioning and clamping platform for aluminum alloy die castings according to claim 8, characterized in that, A support block is provided on the clamping platform, and a guide block that cooperates with the cylinder is provided on the support block.

10. A positioning and clamping platform for aluminum alloy die castings according to claim 9, characterized in that, The support block is provided with pads.