A polishing device for automobile bolt machining and a polishing method thereof
By designing a grinding device that combines a lifting screen with a vibrating polisher, the automatic separation of bolts and abrasive materials is achieved, solving the problem of low efficiency in traditional equipment and improving production efficiency and ease of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHENJIANG BOCHI AUTO PARTS CO LTD
- Filing Date
- 2024-05-14
- Publication Date
- 2026-06-02
Smart Images

Figure CN118418031B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to a grinding device and grinding method for automotive bolt processing. Background Technology
[0002] In the automotive manufacturing and maintenance industry, bolts are a commonly used fastener, and their surface quality directly affects the stability and durability of the entire assembly structure. To improve bolt performance, their surfaces need to be precisely ground to remove defects such as burrs, unevenness, and oxide layers generated during the manufacturing process. Traditional bolt grinding methods mainly rely on mechanical grinding equipment, such as conventional vibratory polishers.
[0003] Traditional grinding equipment often fails to effectively separate the bolt from the grinding material after grinding, resulting in low production efficiency and requiring additional manual intervention, which increases production costs and operational complexity. This is particularly inefficient and labor-intensive in mass production. In view of this, the present invention proposes a grinding device and grinding method for automotive bolt processing to solve the above problems. Summary of the Invention
[0004] The purpose of this invention is to provide a grinding device and grinding method for automotive bolt processing, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solution:
[0006] A grinding device for processing automotive bolts includes a vibratory polishing machine body, wherein the polishing machine body is provided with a vibratory plate for holding abrasive material;
[0007] The vibratory plate is equipped with a columnar vibrating housing for housing the vibratory motor. Inside the vibratory plate is a lifting screen for placing automotive bolts. The aperture of the lifting screen is larger than the size of the abrasive material but smaller than the size of the automotive bolt. An elastic clamping assembly is provided on the columnar vibrating housing, and the elastic clamping assembly is also connected to the lifting screen, so that when the polishing machine body is turned on, the lifting screen is always in contact with the bottom of the vibratory plate. The lifting screen rises along the columnar vibrating housing, causing the polished automotive bolt to separate from the abrasive material.
[0008] As an improvement to the above technical solution, a connecting shell is provided on the lifting screen, the connecting shell is adapted to the columnar vibrating shell, and multiple sets of connecting slots are evenly opened on the connecting shell.
[0009] The connecting housing is sleeved on the outer wall of the columnar vibrating housing, and the connecting housing moves up and down along the columnar vibrating housing, so that the lifting screen moves up and down inside the vibrating plate.
[0010] As an improvement to the above technical solution, the elastic clamping assembly includes a fixing rod, on which a fixing circular plate is provided;
[0011] A compression spring is fitted on the outer wall of the fixing rod, and the compression spring is disposed between the fixing circular plate and the connecting shell.
[0012] As an improvement to the above technical solution, a connecting ring plate is provided on the connecting housing, and the connecting ring plate is connected to the compression spring;
[0013] A fixing sleeve is provided on the fixing circular plate, and the fixing sleeve is fitted onto the outer wall of the fixing rod.
[0014] As an improvement to the above technical solution, the fixing rod is provided with a through fixing hole A, and the fixing sleeve is provided with a through fixing hole B;
[0015] The fixing holes A and B are matched in position and size, and a U-shaped pin is provided between the fixing holes A and B.
[0016] As an improvement to the above technical solution, a mounting plate is provided on the fixing rod, the mounting plate is located below the connecting ring plate, and the mounting plate is connected to the columnar vibration shell;
[0017] The fixing rod extends from the center of the connecting ring plate.
[0018] As an improvement to the above technical solution, the columnar vibration housing is provided with multiple sets of connection holes A, and the mounting plate is provided with multiple sets of connection holes B;
[0019] The multiple sets of connecting holes A and multiple sets of connecting holes B are matched in position and size, and connecting bolts are provided between the connecting holes A and connecting holes B.
[0020] As an improvement to the above technical solution, the lifting screen is provided with a lifting ring plate, and the lifting ring plate is fixedly connected to the lifting screen.
[0021] The diameter of the lifting ring plate is larger than that of the vibrating plate.
[0022] A grinding method for an automotive bolt grinding device includes the following steps:
[0023] S1. Screen installation:
[0024] Remove all the abrasive material from the vibratory plate, place the lifting screen in the vibratory plate, and fit the connecting housing onto the outer wall of the columnar vibratory housing.
[0025] S2, Clamping and Positioning:
[0026] When the connecting shell is sleeved on the outer wall of the columnar vibrating shell in S1, the fixing sleeve is simultaneously sleeved on the outer wall of the fixing rod, and the fixing hole A and fixing hole B are aligned, and a U-shaped pin is inserted for positioning.
[0027] S3, Lifting Test:
[0028] Add abrasive material to the vibratory plate in S2, and raise the lifting screen. Compress the spring until the lifting screen contacts the top of the abrasive material. Stop raising the lifting screen and observe whether the lifting screen sinks to the bottom. If it sinks, replace the spring with one with less elasticity until the abrasive material is in a stationary state and the lifting screen does not sink to the bottom in this step.
[0029] S4. Settlement Test:
[0030] After S3 is completed, turn on the polishing machine body to make the abrasive continuously roll and move in the vibratory plate to form a dynamic grinding environment, reduce the support force on the lifting screen, and observe whether the compression spring that contracted in S3 slowly returns to its original position under the reduced support force, causing the lifting screen to sink to the bottom. If it does not sink to the bottom, turn off the polishing machine body and replace the compression spring until the performance meets the requirements of steps S3 and S4.
[0031] S5, Adding material and polishing:
[0032] After S4 is completed, lift the lifting screen, add multiple sets of car bolts that need to be polished into the lifting screen, and turn on the polishing machine body again to create a dynamic grinding environment for the abrasive material. The lifting screen continues to sink, allowing the abrasive material to polish the multiple sets of car bolts.
[0033] S6, Lifting and Retrieving Material:
[0034] After S5 is completed, turn off the polishing machine body, raise the lifting screen, and use the lifting screen to lift multiple sets of car bolts, so that the car bolts are separated from the abrasive. Then, remove the car bolts from the lifting screen.
[0035] As an improvement to the above technical solution, in S1, before the connecting housing is fitted onto the columnar vibration housing, the mounting plate is connected to the columnar vibration housing, so that the fixing rod is placed on the columnar vibration housing.
[0036] Compared with the prior art, the beneficial effects of the present invention are:
[0037] With the lifting screen set up as described above, when the lifting screen moves in the vertical direction along the columnar vibrating shell, it can effectively separate the polished car bolts from the polishing material, thereby simplifying the sorting steps after polishing, reducing machine downtime, and improving the efficiency of the overall production process.
[0038] With the lifting screen set up as described above, when the polishing machine stops working and the lifting screen is raised to the surface of the abrasive, the abrasive is in a stationary environment, which can support the lifting screen and make it easy for the lifting screen to stay stably on the surface of the abrasive, thus making it easy to remove the polished car bolts one by one. Attached Figure Description
[0039] Figure 1 This is a schematic diagram of the structure of the present invention;
[0040] Figure 2 For the present invention Figure 1 Enlarged structural diagram at point A;
[0041] Figure 3 This is a schematic diagram of the structure of the vibratory feeder of the present invention;
[0042] Figure 4 For the present invention Figure 3 Enlarged structural diagram at point B;
[0043] Figure 5 This is a schematic diagram of the structure of the lifting screen of the present invention;
[0044] Figure 6 This is a schematic diagram of the structure of the fixing sleeve of the present invention;
[0045] Figure 7 This is a schematic diagram of the structure of the fixing rod of the present invention.
[0046] In the diagram: 10. Polishing machine body; 11. Vibratory plate; 12. Columnar vibratory housing; 13. Connecting hole A; 20. Lifting screen; 21. Lifting ring plate; 22. Connecting ring plate; 23. Connecting housing; 24. Connecting through groove; 30. Elastic clamping assembly; 31. Clamping spring; 32. Fixing rod; 321. Fixing hole A; 322. Mounting plate; 323. Connecting hole B; 33. Fixing circular plate; 34. Fixing sleeve; 341. Fixing hole B. Detailed Implementation
[0047] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0048] Example:
[0049] like Figure 1-7As shown, this embodiment proposes a grinding device for processing automotive bolts, including a vibratory polishing machine body 10, wherein the polishing machine body 10 is provided with a vibratory plate 11 for placing abrasive material;
[0050] The vibratory plate 11 is provided with a columnar vibratory housing 12 for placing the vibratory motor. The vibratory plate 11 is provided with a lifting screen 20 for placing automotive bolts. The aperture of the lifting screen 20 is larger than the size of the abrasive material and smaller than the size of the automotive bolt. The columnar vibratory housing 12 is provided with an elastic clamping component 30, which is also connected to the lifting screen 20, so that when the polishing machine body 10 is turned on, the lifting screen 20 is always in contact with the bottom of the vibratory plate 11. The lifting screen 20 is raised along the columnar vibratory housing 12, so that the polished automotive bolt is separated from the abrasive material.
[0051] In this embodiment, when grinding automotive bolts, abrasive material is added to the vibratory feeder 11, and the lifting screen 20 is raised. Multiple sets of abrasive material support the lifting screen 20, so that the lifting screen 20 is located on the surface of the abrasive material. Then, multiple sets of automotive bolts are added to the lifting screen 20. At the same time, the polishing machine body 10 operates, causing the abrasive material to continuously roll and shift, forming a dynamic grinding environment, thereby reducing the supporting force on the lifting screen 20. Then, under the downward pressure of the elastic clamping component 30, the lifting screen 20 continuously sinks to the bottom until the lifting screen 20 contacts the vibratory feeder 11, so that multiple sets of automotive bolts come into contact with the abrasive material for grinding.
[0052] With the lifting screen 20 set above, when the lifting screen 20 moves in the vertical direction along the columnar vibrating housing 12, it can effectively separate the polished car bolts from the polishing material, thereby simplifying the sorting steps after polishing, reducing machine downtime, and improving the efficiency of the overall production process.
[0053] With the lifting screen 20 configured as described above, when the polishing machine body 10 stops working and the lifting screen 20 is raised to the surface of the abrasive, the abrasive is in a stationary environment, which can support the lifting screen 20, making it easy for the lifting screen 20 to stay stably on the surface of the abrasive, thus making it easy to remove the polished car bolts one by one.
[0054] Specifically, the lifting screen 20 is provided with a connecting housing 23, which is adapted to the columnar vibrating housing 12, and multiple sets of connecting slots 24 are evenly opened on the connecting housing 23.
[0055] The connecting housing 23 is sleeved on the outer wall of the columnar vibrating housing 12. The connecting housing 23 moves up and down along the columnar vibrating housing 12, so that the lifting screen 20 moves up and down inside the vibrating plate 11.
[0056] In this embodiment, when the lifting screen 20 is set to the bottom, since the lifting screen 20 is provided with multiple sets of holes and connecting grooves 24, the constantly tumbling abrasive material will pass through the multiple sets of holes and connecting grooves 24, which makes it easier for the lifting screen 20 to set to the bottom and for the abrasive material to grind the car bolts.
[0057] Specifically, the elastic clamping assembly 30 includes a fixing rod 32, on which a fixing circular plate 33 is provided;
[0058] A compression spring 31 is sleeved on the outer wall of the fixing rod 32, and the compression spring 31 is disposed between the fixing circular plate 33 and the connecting housing 23.
[0059] Specifically, a connecting ring plate 22 is provided on the connecting housing 23, and the connecting ring plate 22 is connected to the compression spring 31;
[0060] A fixing sleeve 34 is provided on the fixing circular plate 33, and the fixing sleeve 34 is sleeved on the outer wall of the fixing rod 32.
[0061] In this embodiment, when the lifting screen 20 is raised, the compression spring 31 is in a contracted state. When the polishing machine body 10 is turned on, the supporting force of the abrasive material on the lifting screen 20 is reduced, thereby the compression spring 31 is reset, which drives the lifting screen 20 to descend, so that the lifting screen 20 contacts the bottom of the vibrating plate 11.
[0062] Specifically, the fixing rod 32 is provided with a through fixing hole A321, and the fixing sleeve 34 is provided with a through fixing hole B341;
[0063] The fixing holes A321 and B341 are matched in position and size, and a U-shaped pin is provided between the fixing holes A321 and B341.
[0064] In this embodiment, the U-shaped pin provided between the fixing hole A321 and the fixing hole B341 facilitates the installation of the compression spring 31.
[0065] Specifically, the fixing rod 32 is provided with a mounting plate 322, which is located below the connecting ring plate 22 and is connected to the columnar vibration housing 12.
[0066] The fixing rod 32 extends from the center of the connecting ring plate 22.
[0067] In this embodiment, the mounting plate 322 facilitates the installation of the fixing rod 32.
[0068] Specifically, the columnar vibration housing 12 is provided with multiple sets of connection holes A13, and the mounting plate 322 is provided with multiple sets of connection holes B323;
[0069] The multiple sets of connecting holes A13 and multiple sets of connecting holes B323 are matched in position and size, and connecting bolts are provided between the connecting holes A13 and connecting holes B323.
[0070] Specifically, the lifting screen 20 is provided with a lifting ring plate 21, which is fixedly connected to the lifting screen 20;
[0071] The diameter of the lifting ring plate 21 is greater than that of the vibrating plate 11.
[0072] In this embodiment, the lifting ring plate 21 facilitates the lifting of the lifting screen 20.
[0073] A grinding method for an automotive bolt grinding device includes the following steps:
[0074] S1. Screen installation:
[0075] Remove all the abrasive material from the vibratory plate 11, place the lifting screen 20 in the vibratory plate 11, and fit the connecting housing 23 onto the outer wall of the columnar vibratory housing 12.
[0076] S2, Clamping and Positioning:
[0077] When the connecting housing 23 is sleeved on the outer wall of the columnar vibrating housing 12 in S1, the fixing sleeve 34 is simultaneously sleeved on the outer wall of the fixing rod 32, and the fixing hole A321 and fixing hole B341 are aligned, and a U-shaped pin is inserted for positioning.
[0078] S3, Lifting Test:
[0079] Add abrasive material to the vibrating plate 11 in S2, and lift the lifting screen 20. The compression spring 31 contracts until the lifting screen 20 contacts the top of the abrasive material. At the same time, stop lifting the lifting screen 20 and observe whether the lifting screen 20 sinks to the bottom. If it sinks to the bottom, replace the compression spring 31 with a smaller elastic force until the abrasive material is in a non-moving state and the lifting screen 20 does not sink to the bottom in this step.
[0080] S4. Settlement Test:
[0081] After S3 is completed, turn on the polishing machine body 10, so that the abrasive material continuously rolls and moves in the vibrating plate 11 to form a dynamic grinding environment, reducing the support force on the lifting screen 20. At the same time, observe whether the compression spring 31 that contracted in S3 slowly returns to its original position under the reduced support force, causing the lifting screen 20 to sink to the bottom. If it does not sink to the bottom, turn off the polishing machine body 10 and replace the compression spring 31 until the performance meets the requirements of steps S3 and S4.
[0082] S5, Adding material and polishing:
[0083] After S4 is completed, lift the lifting screen 20, add multiple sets of automotive bolts that need to be polished into the lifting screen 20, and turn on the polishing machine body 10 again to create a dynamic grinding environment for the abrasive material. The lifting screen 20 continuously sinks, allowing the abrasive material to polish the multiple sets of automotive bolts.
[0084] S6, Lifting and Retrieving Material:
[0085] After S5 is completed, turn off the polishing machine body 10, lift the lifting screen 20, and lift multiple sets of car bolts through the lifting screen 20 to separate the car bolts from the abrasive. Then, remove the car bolts from the lifting screen 20.
[0086] Specifically, in S1, before the connecting housing 23 is fitted onto the columnar vibration housing 12, the mounting plate 322 is connected to the columnar vibration housing 12, so that the fixing rod 32 is placed on the columnar vibration housing 12.
[0087] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A grinding method for a grinding device used in automotive bolt processing, characterized in that: The polishing device includes a vibratory polishing machine body (10), and the polishing machine body (10) is provided with a vibratory plate (11) for placing abrasive material. The vibratory plate (11) is provided with a columnar vibratory housing (12) for placing the vibratory motor. The vibratory plate (11) is provided with a lifting screen (20) for placing automotive bolts. The aperture of the lifting screen (20) is larger than the size of the abrasive material and smaller than the size of the automotive bolt. The columnar vibratory housing (12) is provided with an elastic clamping component (30). The elastic clamping component (30) is also connected to the lifting screen (20), so that when the polishing machine body (10) is turned on, the lifting screen (20) is always in contact with the bottom of the vibratory plate (11). The lifting screen (20) is raised along the columnar vibratory housing (12), so that the polished automotive bolts are separated from the abrasive material. The lifting screen (20) is provided with a connecting shell (23), which is adapted to the columnar vibrating shell (12). Multiple sets of connecting slots (24) are evenly opened on the connecting shell (23). The connecting shell (23) is sleeved on the outer wall of the columnar vibrating shell (12), and the connecting shell (23) moves up and down along the columnar vibrating shell (12), so that the lifting screen (20) moves up and down inside the vibrating plate (11); The elastic clamping assembly (30) includes a fixing rod (32), on which a fixing circular plate (33) is provided; A compression spring (31) is sleeved on the outer wall of the fixing rod (32), and the compression spring (31) is disposed between the fixing circular plate (33) and the connecting shell (23); A connecting ring plate (22) is provided on the connecting housing (23), and the connecting ring plate (22) is connected to the compression spring (31); A fixing sleeve (34) is provided on the fixing circular plate (33), and the fixing sleeve (34) is sleeved on the outer wall of the fixing rod (32); The fixing rod (32) is provided with a through fixing hole A (321), and the fixing sleeve (34) is provided with a through fixing hole B (341). The fixing holes A (321) and B (341) are matched in position and size, and a U-shaped pin is provided between the fixing holes A (321) and B (341); The fixing rod (32) is provided with a mounting plate (322), which is located below the connecting ring plate (22) and is connected to the columnar vibration shell (12); The fixing rod (32) extends from the center of the connecting ring plate (22); The columnar vibration housing (12) is provided with multiple sets of connection holes A (13), and the mounting plate (322) is provided with multiple sets of connection holes B (323). The multiple sets of connecting holes A (13) and multiple sets of connecting holes B (323) are matched in position and size, and connecting bolts are provided between the connecting holes A (13) and connecting holes B (323); The lifting screen (20) is provided with a lifting ring plate (21), and the lifting ring plate (21) is fixedly connected to the lifting screen (20); The diameter of the lifting ring plate (21) is greater than that of the vibrating plate (11); The polishing method includes the following steps: S1. Screen installation: Remove all the abrasive material from the vibratory plate (11), place the lifting screen (20) in the vibratory plate (11), and make the connecting housing (23) fit on the outer wall of the columnar vibratory housing (12); S2, Clamping and Positioning: When the connecting shell (23) in S1 is sleeved on the outer wall of the columnar vibration shell (12), the fixing sleeve (34) is sleeved on the outer wall of the fixing rod (32), and the fixing hole A (321) and fixing hole B (341) are aligned, and a U-shaped pin is inserted for positioning. S3, Lifting Test: Add abrasive material to the vibrating plate (11) in S2, and lift the lifting screen (20). Compress the spring (31) until the lifting screen (20) contacts the top of the abrasive material. At the same time, stop lifting the lifting screen (20) and observe whether the lifting screen (20) sinks to the bottom. If it sinks to the bottom, replace the spring (31) with a smaller elastic force until the abrasive material is in a non-moving state and the lifting screen (20) does not sink to the bottom. S4. Settlement Test: After S3 is completed, turn on the polishing machine body (10) so that the abrasive material rolls and moves continuously in the vibrating plate (11) to form a dynamic grinding environment, reducing the support force on the lifting screen (20). At the same time, observe whether the compression spring (31) that contracted in S3 slowly resets under the reduced support force, causing the lifting screen (20) to sink to the bottom. If it does not sink to the bottom, turn off the polishing machine body (10) and replace the compression spring (31) until the performance meets the requirements of steps S3 and S4. S5, Adding material and polishing: After S4 is completed, lift the lifting screen (20), add multiple sets of car bolts that need to be polished into the lifting screen (20), and turn on the polishing machine body (10) again to create a dynamic grinding environment for the abrasive material. The lifting screen (20) continues to sink, so that the abrasive material can polish the multiple sets of car bolts. S6, Lifting and Retrieving Material: After S5 is completed, turn off the polishing machine body (10), lift the lifting screen (20), lift multiple sets of car bolts through the lifting screen (20) to separate the car bolts from the abrasive, and then take out the car bolts from the lifting screen (20).
2. The grinding method of the grinding device for processing automotive bolts according to claim 1, characterized in that: In S1, before the connecting housing (23) is fitted onto the columnar vibrating housing (12), the mounting plate (322) is connected to the columnar vibrating housing (12), so that the fixing rod (32) is placed on the columnar vibrating housing (12).