A fastener grinding apparatus

Abstract

The application discloses a fastener grinding device and relates to the technical field of fastener grinding. The fastener grinding device comprises a workbench, a grinding table, a belt rotating device and a pressing device are arranged on the workbench, the grinding table is configured to place a fastener blank, the pressing device is configured to press the fastener blank on the grinding table, and the belt rotating device is configured to drive the fastener blank to rotate so that the fastener blank is in contact with the grinding table and is ground; the workbench is further provided with a feeding device and a pushing device, the feeding device is used for conveying and placing the fastener blank on the grinding table, and the pushing device is used for pushing the fastener blank on the grinding table. The application can facilitate the grinding of the fastener blank.

Description

Technical Field

[0001] This application relates to the technical field of fastener grinding, and more particularly to a fastener grinding apparatus. Background Technology

[0002] Fasteners are a general term for mechanical parts that serve to fasten and connect components. They include various screws, nuts, washers, retaining rings, pins, rivets, etc., and are also known in the market as standard parts. Currently, the manufacturing process of various fasteners typically includes at least the following steps: material selection, preliminary heat treatment, cold heading, grinding and finishing, threading, secondary heat treatment, surface treatment, and inspection and packaging. Specifically, after the cylindrical fastener blank is formed in the cold heading process, the circumferential surface of the cylindrical fastener blank needs to be ground using grinding equipment in the grinding process to ensure that it meets dimensional standards.

[0003] Currently, most grinding equipment on the market is general-purpose grinding equipment. First, the blank is held and secured by tools or manually, and then the blank is slowly moved and secured. Grinding can be carried out by using this type of grinding equipment.

[0004] Grinding fastened blanks using existing grinding equipment is not convenient. The actions of suspending and moving the fastened blanks during grinding, as well as the loading and unloading of the blanks, all require a lot of manual labor, making the grinding process time-consuming, labor-intensive, and inefficient. Summary of the Invention

[0005] In order to facilitate the grinding of fastener blanks, this application provides a fastener grinding device.

[0006] The fastener grinding equipment provided in this application adopts the following technical solution: A fastener grinding device includes a worktable with a grinding table, a rotating device, and a pressing device. The grinding table is configured to hold a fastener blank, the pressing device is configured to press the fastener blank onto the grinding table, and the rotating device is configured to rotate the fastener blank so that it contacts the grinding table and is ground. The worktable also includes a feeding device and a pushing device. The feeding device is used to transport and place the fastener blank onto the grinding table, and the pushing device is used to push the fastener blank off the grinding table.

[0007] By adopting the above technical solution, after the fastening blank is placed on the grinding table using the feeding device, the fastening blank is pressed down using the pressing device, and then the fastening blank is rotated by the drive belt rotating device, so that the fastening blank rubs against the grinding table for grinding. Afterwards, the ground fastening blank can be pushed off using the pushing device. This application facilitates the grinding of fastening blanks.

[0008] Preferably, the belt-driven rotating device includes a mounting frame on the worktable, on which belt-driven roller one and belt-driven roller two are rotatably connected. The grinding table has a placement area for placing a fastening blank, with belt-driven roller one and belt-driven roller two located on opposite sides of the placement area. The mounting frame is also provided with a belt-driven rotating assembly connected to both belt-driven roller one and belt-driven roller two. The belt-driven rotating assembly is configured to drive belt-driven roller one and belt-driven roller two to rotate in the same direction, thereby driving the fastening blank placed in the placement area to rotate.

[0009] By adopting the above technical solution, after ensuring that the fastening blank is located in the placement area and in contact with both the first and second rotating belts, the drive belt assembly can drive the first and second rotating belts to rotate in the same direction, thereby driving the fastening blank located in the placement area to rotate.

[0010] When the blank is being ground, roller one and roller two also serve to limit the movement of the blank, which can prevent the blank from moving around during grinding as much as possible.

[0011] Preferably, the rotating assembly includes gear one, gear two, and gear three. Gear one includes a rotating shaft one at one end, and gear two includes a rotating shaft two at one end. Gear one is mounted on rotating shaft one, gear two is mounted on rotating shaft two, and gear three is rotatably connected to the mounting frame and located between gear one and gear two. Gear one and gear three, as well as gear two and gear three, are externally meshed. The mounting frame is also provided with a drive component for driving rotating shaft one to rotate.

[0012] By adopting the above technical solution, the driving component can drive gear one and gear two to rotate in the same direction, thereby driving rotating shaft one and rotating shaft two to rotate in the same direction, and then driving belt wheel one and belt wheel two to rotate in the same direction.

[0013] Preferably, the number of teeth of gear one is less than the number of teeth of gear two.

[0014] By adopting the above technical solution, since the number of teeth of gear one is less than the number of teeth of gear two, belt wheel one has a higher rotational speed than belt wheel two. When the driving component drives belt wheel one to rotate towards the placement area, belt wheel two rotates away from the placement area. At this time, belt wheel one, which has a higher rotational speed, will apply a continuous force towards the grinding table to the fastening blank located in the placement area, thereby making the fastening blank press tightly on the grinding table, which can ensure that the fastening blank obtains a more uniform and stable grinding amount.

[0015] Preferably, the pressing device includes a connecting frame disposed on the worktable, the connecting frame is provided with a reciprocating feeder, the reciprocating feeder is connected to an auxiliary rotating component, the reciprocating feeder is configured to drive the auxiliary rotating component to move thereby pressing the fastening blank onto the grinding table, and the auxiliary rotating component is configured to rotate with the rotation of the fastening blank.

[0016] By adopting the above technical solution, the reciprocating feeder can drive the auxiliary rotating part to press and fasten the blank, thereby ensuring that the fastened blank is in full contact with the grinding table.

[0017] Preferably, the feeding device includes a vibratory feeder mounted on a workbench, the vibratory feeder being connected to a conveying component, the conveying component including a conveying trough at the top, the vibratory feeder being used to convey the fastening blank into the conveying trough; a feeding assembly is provided on one side of the conveying trough on the workbench, a top material opening is provided at the bottom of the conveying trough, a top material component is provided on the workbench below the top material opening, the top material component is provided with a top material strip, the top material component is configured to drive the top material strip to move and insert into the top material opening, thereby lifting the fastening blank in the conveying trough.

[0018] By adopting the above technical solution, after the vibratory feeder conveys the fastening blank to the feeding trough, the top material component drives the top material bar to rise and insert into the top material port to lift a fastening blank. The feeding component then moves the lifted fastening blank to the grinding table to complete the feeding.

[0019] Preferably, the feeding assembly includes a frame mounted on a workbench, the frame being provided with a horizontal reciprocating drive, the horizontal reciprocating drive being provided with a vertical reciprocating drive, and the vertical reciprocating drive being provided with a gripping component.

[0020] Preferably, the pushing device includes a mounting plate on the worktable, a pushing component on the mounting plate, a pushing column on the pushing component, and the pushing component is configured to drive the pushing column to move and push the fastened blank on the grinding table off.

[0021] By adopting the above technical solution, the pusher column can be used to move the pusher column and push the fastened blank on the grinding table off.

[0022] Preferably, the grinding table includes a fixed frame disposed on the worktable, and a grinding block is detachably connected to the fixed frame.

[0023] In summary, the present invention has at least one of the following beneficial technical effects: 1. After placing the fastening blank on the grinding table using the feeding device, the fastening blank is pressed down using the pressing device. Then, the fastening blank is rotated by the drive belt rotating device, which causes the fastening blank to rub against the grinding table for grinding. After that, the fastening blank is pushed off using the pushing device.

[0024] 2. After ensuring that the fastening blank is located within the placement area and in contact with both belt roller one and belt roller two, the drive belt assembly can rotate belt roller one and belt roller two in the same direction, thereby rotating the fastening blank located in the placement area. When the fastening blank is being ground, belt roller one and belt roller two also simultaneously serve to limit the movement of the fastening blank, preventing it from shifting during grinding as much as possible.

[0025] 3. The driving component can drive gear one and gear two to rotate in the same direction, thereby driving rotating shaft one and rotating shaft two to rotate in the same direction, and then driving belt roller one and belt roller two to rotate in the same direction. Since the number of teeth of gear one is less than the number of teeth of gear two, belt roller one has a higher rotational speed than belt roller two. When the driving component drives belt roller one to rotate towards the placement area, belt roller two rotates away from the placement area. At this time, belt roller one, which has a higher rotational speed, will apply a continuous force towards the grinding table to the fastened blank located in the placement area, thereby pressing the fastened blank tightly on the grinding table and ensuring that the fastened blank obtains a relatively uniform and stable grinding amount. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of a fastener grinding device according to an embodiment of this application; Figure 2 It is a sectional view used to show the top bar; Figure 3 This is a structural diagram illustrating the rotating device; Figure 4 This is a structural diagram used to illustrate the rotating component.

[0027] In the attached diagram, the following are labeled: 1. Worktable; 2. Grinding table; 21. Fixture; 22. Grinding block; 3. Rotating device; 31. Mounting bracket; 311. Mounting hole one; 312. Mounting hole two; 313. Mounting hole three; 32. Rotating wheel one; 321. Rotating shaft one; 33. Rotating wheel two; 331. Rotating shaft two; 34. Rotating assembly; 341. Gear one; 35. Gear two; 36. Gear three; 361. Rotating shaft three; 37. Driving component; 4. Pressing device; 1. Connecting frame; 42. Reciprocating feeder; 43. Auxiliary rotating component; 5. Feeding device; 51. Vibratory feeder; 52. Conveying component; 521. Conveying trough; 522. Top material opening; 53. Feeding assembly; 531. Frame; 532. Horizontal reciprocating drive component; 533. Vertical reciprocating drive component; 534. Gripping component; 54. Top material component; 55. Top material bar; 6. Pushing device; 61. Mounting plate; 62. Pushing component; 63. Pushing column; 64. Collection box; 7. Placement area. Detailed Implementation

[0028] The present invention will be further described in detail below with reference to the accompanying drawings.

[0029] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and 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. Therefore, they should not be construed as limiting this invention.

[0030] This application discloses a fastener grinding device. It is used to grind fastener blanks. In this embodiment, grinding the outer circumferential surface of a cylindrical fastener blank is taken as an example.

[0031] Reference Figure 1 A fastener grinding device includes a worktable 1, on which a grinding table 2, a rotating device 3, and a pressing device 4 are provided. The upper end of the grinding table 2 can hold a fastener blank, and the pressing device 4 can press the fastener blank onto the grinding table 2. The rotating device 3 can drive the fastener blank to rotate, thereby making the fastener blank contact with the grinding table 2 and being ground. In addition, the worktable 1 is also provided with a feeding device 5 and a pushing device 6. The feeding device 5 can transport and place the fastener blanks one by one onto the grinding table 2, and the pushing device 6 can push the ground fastener blanks off the grinding table 2.

[0032] Taking the grinding action of a fastening blank as an example: the fastening blank is placed on the grinding table 2 using the feeding device 5, the fastening blank is pressed down using the pressing device 4, and then the drive belt rotation device 3 drives the fastening blank to rotate so that the fastening blank rubs against the grinding table 2 to perform grinding. After that, the grinding fastening blank can be pushed off using the pushing device 6.

[0033] The following explanation uses the above sequence of actions to illustrate the relevant structures: Reference Figure 1 and Figure 2 The feeding device 5 includes a vibratory plate 51 mounted on the workbench 1. The vibratory plate 51 is connected to a conveying component 52. The conveying component 52 includes a conveying trough 521 at the top. The vibratory plate 51 is used to convey a fastening blank into the conveying trough 521. A feeding assembly 53 is provided on one side of the conveying trough 521 on the workbench 1. A top material opening 522 is opened at the bottom of the conveying trough 521. A top material component 54 is provided on the workbench 1 below the top material opening 522. The top material component 54 is preferably a cylinder. The top material component 54 is provided with a top material bar 55. The top material component 54 can drive the top material bar 55 to move upward and insert into the top material opening 522, thereby lifting a fastening blank in the conveying trough 521.

[0034] The fastening blank in the feed trough 521 is placed horizontally, that is, the axis of the fastening blank is horizontal. After the fastening blank reaches above the top material opening 522, it stops, and the top material 54 drives the top material bar 55 to move upward to lift the fastening blank.

[0035] Reference Figure 1 The feeding assembly 53 includes a frame 531 mounted on the workbench 1. The frame 531 is provided with a horizontal reciprocating drive 532 and a vertical reciprocating drive 533. Both the horizontal reciprocating drive 532 and the vertical reciprocating drive 533 are cylinders. The vertical reciprocating drive 533 is provided with a gripping member 534, which is a gripper cylinder.

[0036] The horizontal reciprocating drive 532, the vertical reciprocating drive 533, and the gripping component 534 can grip the aforementioned lifted fastening blank and move it to the top of the grinding table 2. It should be noted that since only a portion of the circumferential sidewall of the fastening blank is typically ground, it is only necessary to ensure that a portion of the circumferential surface of the fastening blank is in contact with the grinding table 2. Of course, if grinding of the entire circumferential surface of the fastening blank is required, simply drive the loading assembly 53 again after placing the fastening blank on the grinding table 2 to push the fastening blank to the left.

[0037] Reference Figure 3 and Figure 4 The pressing device 4 includes a connecting frame 41 on the worktable 1. The connecting frame 41 is provided with a reciprocating feeder 42, which is preferably an electric cylinder. An auxiliary rotating part 43 is connected to the reciprocating feeder 42, which is preferably a cam follower. The reciprocating feeder 42 can drive the auxiliary rotating part 43 to move downward and press against the fastening blank, thereby pressing the fastening blank onto the grinding table 2. At this time, when the rotating device 3 drives the fastening blank to rotate, the auxiliary rotating part 43 can rotate synchronously and in the same direction with the fastening blank.

[0038] Reference Figure 3 and Figure 4 The belt rotation device 3 includes a mounting frame 31 on the worktable 1. A belt roller 32 and a belt roller 33 are rotatably connected to the mounting frame 31. A placement area 7 for placing and fastening blanks is formed at the upper end of the grinding table 2. The belt roller 32 and the belt roller 33 are located on both sides of the placement area 7. The mounting frame 31 is also provided with a belt rotation assembly 34 that is connected to both the belt roller 32 and the belt roller 33. The belt rotation assembly 34 can drive the belt roller 32 and the belt roller 33 to rotate in the same direction, thereby driving the fastening blanks placed in the placement area 7 to rotate.

[0039] Reference Figure 4Specifically, the rotating assembly 34 includes gear 1 341, gear 2 35 and gear 36, the rotating wheel 1 32 includes a rotating shaft 1 321 at the end, the rotating wheel 2 33 includes a rotating shaft 2 331 at the end, the mounting bracket 31 has mounting holes 1 311 and 2 312, the rotating wheel 1 32 is mounted on the mounting bracket 31 through the connection of the rotating shaft 1 321 and the mounting hole, the rotating wheel 2 33 is mounted on the mounting bracket 31 through the connection of the rotating shaft 2 331 and the mounting hole, gear 1 341 is mounted on the rotating shaft 1 321, and gear 2 35 is mounted on the rotating shaft 2 331. The end of gear 36 is provided with a rotating shaft 361, and the mounting bracket 31 has a mounting hole 313. Gear 36 is rotatably mounted on the mounting bracket 31 through the connection between the rotating shaft 361 and the mounting hole 313. Gear 36 is located between gear 1 341 and gear 2 35. Gear 1 341, gear 2 35 and gear 36 are all spur gears. Gear 1 341 and gear 36, as well as gear 2 35 and gear 36, are all externally meshed. The mounting bracket 31 is also provided with a drive component 37 for driving the rotating shaft 321 to rotate. The drive component 37 is preferably a motor.

[0040] The drive component 37 can drive gear 1 341 and gear 2 35 to rotate in the same direction, thereby driving rotating shaft 1 321 and rotating shaft 2 331 to rotate in the same direction, and then driving belt wheel 1 32 and belt wheel 2 33 to rotate in the same direction. At this time, the fastened blank is driven to rotate for grinding.

[0041] In addition, in this application, the number of teeth of gear 341 is less than the number of teeth of gear 35. Therefore, belt roller 32 has a higher rotational speed than belt roller 33. In this embodiment, the drive drive 37 drives belt roller 32 to rotate towards the placement area 7. At this time, belt roller 33 rotates away from the placement area 7. Under these circumstances, belt roller 32, which has a higher rotational speed, will apply a continuous force towards the grinding table 2 to the fastening blank located in the placement area 7, so that the fastening blank is pressed tightly on the grinding table 2. In addition, during grinding, belt roller 32 and belt roller 33 also play the role of limiting the fastening blank. Belt roller 32 and belt roller 33 can prevent the fastening blank from moving around during grinding as much as possible. Therefore, this application can ensure that the fastening blank obtains a more uniform and stable grinding amount.

[0042] Reference Figure 4 The pushing device 6 includes a mounting plate 61 on the worktable 1, a pushing component 62 (a cylinder) on the mounting plate 61, and a pushing column 63 on the pushing component 62. The pushing column 63 is located on one side of the placement area 7. The pushing component 62 can drive the pushing column 63 to move and push the fastened blanks off the grinding table 2. Additionally, to facilitate the collection of the fastened blanks, combined with... Figure 1An upward-facing collection box 64 is provided on the side of the worktable 1 located away from the grinding table 2 and the push column 63.

[0043] Reference Figure 3 and combined Figure 1 The grinding table 2 includes a fixed frame 21 mounted on the worktable 1. A grinding block 22 is detachably connected to the fixed frame 21. The upper end of the grinding block 22 is higher than the line connecting the center of the first rotating wheel 32 and the center of the second rotating wheel 33. Specifically, the fixed frame 21 and the grinding block 22 are connected by screws. When the grinding block 22 is severely worn, it can be removed and replaced.

[0044] The implementation principle of a fastener grinding device in this application embodiment is as follows: Vibratory plate 51 conveys the fastening blank to the feeding trough 521. After the fastening blank reaches above the top material port 522, it stops. The top material 54 drives the top material bar 55 to move upward and lift the fastening blank. The horizontal reciprocating drive 532, the vertical reciprocating drive 533 and the gripping component 534 grip the lifted fastening blank and move it to the top of the grinding block. At this time, the fastening blank also comes into contact with the first belt roller 32 and the second belt roller 33. Then, the reciprocating feeder 42 drives the auxiliary rotating part 43 to move downward and press against the fastening blank, thereby pressing the fastening blank onto the grinding table 2. Then the drive component 37 drives gear 1 341 and gear 2 35 to rotate in the same direction, thereby driving rotating shaft 1 321 and rotating shaft 2 331 to rotate in the same direction, and then driving belt wheel 1 32 and belt wheel 2 33 to rotate in the same direction. At this time, the fastening blank is driven to rotate, and the fastening blank is ground by the grinding block. After grinding is completed, the pusher 62 drives the pusher 63 to move and push the fastened blank on the grinding table 2 into the collection box 64.

[0045] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape, and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A fastener grinding apparatus characterized by: The device includes a worktable (1), on which a grinding table (2), a rotating device (3), and a pressing device (4) are provided. The grinding table (2) is configured to place a fastening blank, the pressing device (4) is configured to press the fastening blank onto the grinding table (2), and the rotating device (3) is configured to drive the fastening blank to rotate so that the fastening blank comes into contact with the grinding table (2) and is ground. The worktable (1) is also provided with a feeding device (5) and a pushing device (6). The feeding device (5) is used to transport and place the fastening blank onto the grinding table (2), and the pushing device (6) is used to push the fastening blank off the grinding table (2). The belt-driven device (3) includes a mounting frame (31) on the worktable (1), on which a belt-driven wheel one (32) and a belt-driven wheel two (33) are rotatably connected. A placement area (7) for placing a fastening blank is formed on the grinding table (2). The belt-driven wheel one (32) and the belt-driven wheel two (33) are located on both sides of the placement area (7). The mounting frame (31) is also provided with a belt-driven assembly (34) connected to both the belt-driven wheel one (32) and the belt-driven wheel two (33). The belt-driven assembly (34) is configured to drive the belt-driven wheel one (32) and the belt-driven wheel two (33) to rotate in the same direction, thereby driving the fastening blank placed in the placement area (7) to rotate. The drive assembly (34) includes gear one (341), gear two (35) and gear three (36). The drive wheel one (32) includes a rotating shaft one (321) at one end, and the drive wheel two (33) includes a rotating shaft two (331) at one end. Gear one (341) is mounted on rotating shaft one (321), gear two (35) is mounted on rotating shaft two (331), and gear three (36) is rotatably connected to the mounting frame (31) and located between gear one (341) and gear two (35). Gear one (341) and gear three (36) as well as gear two (35) and gear three (36) are externally meshed. The mounting frame (31) is also provided with a drive component (37) for driving rotating shaft one (321) to rotate. The number of teeth of gear one (341) is less than the number of teeth of gear two (35).

2. A fastener grinding apparatus as defined in claim 1, wherein: The pressing device (4) includes a connecting frame (41) on the worktable (1), a reciprocating feeder (42) is provided on the connecting frame (41), an auxiliary rotating part (43) is connected to the reciprocating feeder (42), the reciprocating feeder (42) is configured to drive the auxiliary rotating part (43) to move so as to press the fastening blank on the grinding table (2), and the auxiliary rotating part (43) is configured to rotate with the rotation of the fastening blank.

3. The fastener grinding apparatus of claim 1, wherein: The feeding device (5) includes a vibratory plate (51) mounted on the workbench (1). The vibratory plate (51) is connected to a conveying component (52). The conveying component (52) includes a conveying trough (521) at the top. The vibratory plate (51) is used to convey the fastening blank into the conveying trough (521). The workbench (1) is provided with a feeding assembly (53) on one side of the conveying trough (521). The bottom end of the conveying trough (521) is provided with a top material opening (522). The workbench (1) is provided with a top material component (54) below the top material opening (522). The top material component (54) is provided with a top material strip (55). The top material component (54) is configured to drive the top material strip (55) to move and insert into the top material opening (522) to lift the fastening blank in the conveying trough (521).

4. The fastener grinding equipment according to claim 3, characterized in that: The feeding assembly (53) includes a frame (531) mounted on a workbench (1), a horizontal reciprocating drive (532) mounted on the frame (531), a vertical reciprocating drive (533) mounted on the horizontal reciprocating drive (532), and a gripping member (534) mounted on the vertical reciprocating drive (533).

5. The fastener grinding equipment according to claim 1, characterized in that: The pushing device (6) includes a mounting plate (61) on the worktable (1), a pushing component (62) is provided on the mounting plate (61), and a pushing column (63) is provided on the pushing component (62). The pushing component (62) is configured to drive the pushing column (63) to move and push the fastened blank on the grinding table (2) off.

6. The fastener grinding equipment according to claim 1, characterized in that: The grinding table (2) includes a fixed frame (21) disposed on the worktable (1), and a grinding block (22) is detachably connected to the fixed frame (21).

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