Ball screw pair surface pretreatment mechanism

Abstract

The invention belongs to the related technical field of ball screw pair machining, and particularly discloses a ball screw pair surface pretreatment mechanism which comprises a machine base, a U-shaped base is fixedly installed on the upper surface of the machine base, a sliding groove is formed in the upper surface of the U-shaped base, and a movable base is connected to the inner side of the U-shaped base through an arranged sliding mechanism; a meshing mechanism is arranged at one end of the inner side of the movable seat, an L-shaped frame is fixedly installed on the upper surface of the movable seat, a transmission assembly is arranged at the end, away from the movable seat, of the L-shaped frame, side frames are fixedly installed on the two sides of the machine base, and the upper surfaces of the inner sides of the two side frames are jointly connected with a ball screw body through arranged clamping mechanisms. An overturning shell and a bottom shell are arranged on the outer side of the ball screw body, the overturning shell is rotationally connected with the bottom shell, when surface treatment is conducted on the ball screw body, wrapping treatment can be conducted on the exterior of the ball screw body, and then dust is stored.

Description

Technical Field

[0001] The invention belongs to the technical field related to ball screw pair processing, and specifically discloses a ball screw pair surface pretreatment mechanism. Background Art

[0002] Ball screws are the most commonly used transmission elements in tool machinery and precision machinery. Their main function is to convert rotational motion into linear motion, or torque into axial repetitive force, while having the characteristics of high precision, reversibility and high efficiency. Because of their small friction resistance, ball screws are widely used in various industrial equipment and precision instruments.

[0003] When grinding the ball screw pair, the waste chips are scattered on the processing table. The waste chips float in the air during the operation and are difficult to handle. Therefore, it is particularly inconvenient to clean the table later. For this reason, we need to make improvements. Summary of the invention

[0004] The purpose of the present invention is to solve the problems existing in the background technology and to propose a surface pretreatment mechanism for a ball screw pair.

[0005] The U-shaped seat is fixedly mounted on the upper surface of the base, and a sliding groove is formed on the upper surface of the U-shaped seat, and a movable seat is connected to the inner side of the U-shaped seat by a sliding mechanism. A meshing mechanism is provided at one end of the inner side of the movable seat, and a side frame is fixedly mounted on the upper surface of the movable seat, and a transmission assembly is provided at one end of the L-shaped frame away from the movable seat. Side frames are fixedly mounted on both sides of the base, and the inner upper surfaces of the two groups of side frames are commonly connected to the ball screw body through a clamping mechanism. A flip shell and a bottom shell are arranged on the outer side of the ball screw body, and the flip shell and the bottom shell are rotatably connected, and a clamping piece is arranged at the edge of one end of the flip shell, and an arc seat is arranged inside the flip shell and the bottom shell, and multiple groups of grinding brushes are fixedly mounted on the inner walls of the two arc seats close to each other, and positioning pieces are arranged at both ends of the outer sides of the two arc seats, and a connecting assembly is arranged on the upper surface of the flip shell.

[0006] Preferably, the sliding mechanism includes a screw rod rotatably installed on the upper inner side of the U-shaped seat, one end of the screw rod passes through the outer side of the U-shaped seat and a first motor is installed on the end, the first motor is fixedly connected to the U-shaped seat, the screw rod is threadedly matched with the movable seat, and a fixed shaft is fixedly installed on one end of the movable seat, and a roller is installed on the fixed shaft and at the corresponding slide groove position.

[0007] Preferably, the meshing mechanism includes a second motor fixedly mounted on one end of the inner side of the movable seat, an L-shaped rod fixedly mounted on one side of the movable seat, a clamping shaft fixedly mounted on the output end of the second motor, one end of the clamping shaft rotatably inserted into the interior of the L-shaped rod, and a second gear fixedly mounted on the outer side of the clamping shaft.

[0008] Preferably, the transmission assembly includes a fixed column fixedly mounted on the inner side of one end of the L-shaped frame away from the movable seat, a retaining ring is fixedly mounted on one end of the fixed column, a double-sided gear ring is rotatably mounted on the inner side of the retaining ring, and the double-sided gear ring is meshed with the second gear.

[0009] Preferably, the clamping mechanism includes a seat fixedly mounted on the upper surface of the side frame, guide rods are fixedly mounted on both ends of the inner side of the seat, a pressure rod is slidably mounted on the outer sides of the two guide rods, a screw rod is rotatably mounted on the inner side of one end of the pressure rod, a clamping seat is fixedly mounted on the outer wall of one side of the side frame and close to the bottom, one end of the screw rod passes through the inner side of the clamping seat and a handle is fixedly mounted on the bottom end.

[0010] Preferably, the clamping member comprises a top block fixedly mounted at an edge of one end of the flip shell, a clamping rod is mounted at the bottom end of the top block, a movable block is rotatably mounted on the outer side of the clamping rod, and the movable block is in movably contact with the bottom of one side of the bottom shell.

[0011] Preferably, the positioning member comprises a mounting block fixedly mounted inside the flip shell or the bottom shell, a bolt is fixedly inserted into the inner side of the mounting block, one end of the bolt passes through the inner side of the arc seat, and a nut is threadedly mounted on the outer side of the bolt.

[0012] Preferably, the connecting assembly includes a mounting seat fixedly mounted on the upper surface of the flip shell, the inner side of one end of the mounting seat is connected to a T-block via a fixedly mounted cylinder, the T-block and the mounting seat are slidably fitted together, a sleeve is slidably mounted on the outer side of the T-block, a screw pin is inserted through the internal thread of one end of the sleeve, a plurality of screw holes for inserting the screw pins are provided on one side surface of the T-block, a rotating shaft is fixedly connected to the side of the sleeve away from the screw pin, and a first gear is mounted on the outer side of the rotating shaft.

[0013] Compared with the prior art, the present invention has the following beneficial effects: By setting up the connecting component, the first gear can be meshed with the double-sided gear ring, so that the double-sided gear ring rotates under the meshing transmission of the second gear and the drive of the second motor, thereby the grinding brush inside the flip shell and the bottom shell can grind the outer surface of the ball screw body, and driven by the movable seat and the sliding mechanism, it can reciprocate above the U-shaped seat, thereby the rolling screw body can be fully processed, and under the wrapping of the flip shell and the bottom shell, the grinding chips fall into the inside of the bottom shell and will not fall on the workbench, and during the grinding operation, the flying of chips can also be reduced, making it safer for the staff to work and avoid inhaling too much dust. This method can not only reduce the use of components such as dust collection, but also fully carry out grinding operations on the outside of the ball screw body, achieving twice the result with half the effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of another angle of the present invention; Figure 3 It is a schematic diagram of the connection structure between the flip shell and the bottom shell and the connection assembly of the present invention; Figure 4 It is a schematic diagram of the connection structure between the flip shell and the bottom shell and the connection assembly at another angle of the present invention; Figure 5 It is a schematic diagram of the split structure between the clamp ring and the double-sided gear ring of the present invention; Figure 6 This is a schematic diagram of the internal structure of the flip shell and the bottom shell of the present invention; Figure 7 For the present invention Figure 2 Schematic diagram of the structure at A in the middle; Figure 8 For the present invention Figure 6 Schematic diagram of the structure at point B in the middle.

[0015] In the figure: 1. base; 2. U-shaped base; 3. side frame; 4. first motor; 5. slide groove; 6. L-shaped frame; 7. screw; 8. handle; 9. seat; 10. ball screw body; 11. pressure rod; 12. guide rod; 13. cushion seat; 14. screw; 15. flip shell; 16. bottom shell; 17. cylinder; 18. mounting seat; 19. screw pin; 20. T-shaped block; 21. sliding sleeve; 22. rotating shaft; 23. first gear; 24. clamping rod; 25. top block; 26. movable block; 27. snap ring; 28. fixed column; 29. ​​movable seat; 30. double-sided gear ring; 31. arc seat; 32. grinding brush; 33. nut; 34. second gear; 35. second motor; 36. L-shaped rod; 37. fixed shaft; 38. roller; 39. bolt; 40. mounting block. DETAILED DESCRIPTION

[0016] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0017] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0018] like Figure 1-Figure 8 The surface pretreatment mechanism of a ball screw pair shown in the figure comprises: a machine base 1, a U-shaped seat 2 is fixedly installed on the upper surface of the machine base 1, a slide groove 5 is opened on the upper surface of the U-shaped seat 2, a movable seat 29 is connected to the inner side of the U-shaped seat 2 through a sliding mechanism, an engagement mechanism is arranged at one end of the inner side of the movable seat 29, an L-shaped frame 6 is fixedly installed on the upper surface of the movable seat 29, a transmission assembly is arranged at one end of the L-shaped frame 6 away from the movable seat 29, side frames 3 are fixedly installed on both sides of the machine base 1, and the inner upper surfaces of the two sets of side frames 3 are arranged The clamping mechanism is commonly connected with the ball screw body 10, and a flip shell 15 and a bottom shell 16 are arranged on the outside of the ball screw body 10. The flip shell 15 and the bottom shell 16 are rotatably connected, and a clamping piece is arranged at the edge of one end of the flip shell 15. Arc seats 31 are arranged inside the flip shell 15 and the bottom shell 16, and multiple groups of grinding brushes 32 are fixedly installed on the inner walls of the two arc seats 31 on the sides close to each other. Positioning pieces are arranged at both ends of the outer sides of the two arc seats 31, and a connecting component is arranged on the upper surface of the flip shell 15.

[0019] The flip shell 15 and the bottom shell 16 are both provided with sealing gaskets on the surfaces that are in contact with each other, and external ferrules can be added to the inside of both ends of the ball screw body 10 for rotation, so that they can cooperate with the rotation and translation, and ensure air tightness during the movement.

[0020] The sliding mechanism includes a screw rod 14 rotatably installed on the upper inner side of the U-shaped seat 2, one end of the screw rod 14 passes through the outer side of the U-shaped seat 2 and a first motor 4 is installed on the end thereof, the first motor 4 is fixedly connected to the U-shaped seat 2, the screw rod 14 is threadedly engaged with a movable seat 29, and a fixed shaft 37 is fixedly installed on one end of the movable seat 29, a roller 38 is installed at the fixed shaft 37 and at the position corresponding to the slide groove 5, the first motor 4 can drive the screw rod 14 to rotate, and the movable seat 29 threadedly engaged with the screw rod 14 can move above the U-shaped seat 2 under the rolling limit of the roller 38.

[0021] The meshing mechanism includes a second motor 35 fixedly mounted on one end of the inner side of the movable seat 29, an L-shaped rod 36 fixedly mounted on one side of the movable seat 29, a clamping shaft fixedly mounted on the output end of the second motor 35, one end of the clamping shaft is rotatably inserted into the L-shaped rod 36, and a second gear 34 is fixedly mounted on the outer side of the clamping shaft. The start of the second motor 35 can drive the clamping shaft and the second gear 34 to rotate, so that the second gear 34 can mesh with the double-sided gear ring 30, thereby causing the double-sided gear ring 30 to rotate.

[0022] The transmission assembly includes a fixed column 28 fixedly mounted on the inner side of one end of the L-shaped frame 6 away from the movable seat 29, a retaining ring 27 is fixedly mounted on one end of the fixed column 28, and a double-sided gear ring 30 is rotatably mounted on the inner side of the retaining ring 27. Under the connection of the fixed column 28, the retaining ring 27 can be stably set on one side of the double-sided gear ring 30, so that the double-sided gear ring 30 can be safely rotated and used, and the double-sided gear ring 30 is meshed with the second gear 34.

[0023] The clamping mechanism includes a pad 13 fixedly mounted on the upper surface of the side frame 3, guide rods 12 are fixedly mounted on both ends of the inner side of the pad 13, and a pressure rod 11 is slidably mounted on the outer sides of the two guide rods 12. A screw rod 7 is rotatably mounted on the inner side of one end of the pressure rod 11, and a clamping seat 9 is fixedly mounted on the outer wall of one side of the side frame 3 and near the bottom. One end of the screw rod 7 passes through the inner side of the clamping seat 9 and a handle 8 is fixedly mounted on the bottom. When polishing the ball screw body 10, the ball screw body 10 needs to be placed on the upper surface of the pad 13, and then the worker turns the handle 8 to drive the screw 7 to rotate. Under the sliding clamping position of the guide rod 12, the pressure rod 11 is pressed against the outside of the ball screw body 10 from above, and an arc-shaped clamping socket suitable for fitting the ball screw body 10 is opened on the side where the pressure rod 11 and the pad 13 are close to each other.

[0024] The clamping member includes a top block 25 fixedly mounted at the edge of one end of the flip shell 15, a clamping rod 24 is mounted at the bottom end of the top block 25, a movable block 26 is rotatably mounted on the outer side of the clamping rod 24, and the movable block 26 is in movably contact with the bottom of one side of the bottom shell 16. When the flip shell 16 is opened, the lower end movable block 26 needs to be rotated to separate the movable block 26 from the bottom of the bottom shell 16, so that the flip shell 15 can be flipped to one side, and then the ball screw body 10 can be conveniently clamped.

[0025] The positioning member includes a mounting block 40 fixedly mounted inside the flip shell 15 or the bottom shell 16, a bolt 39 is fixedly inserted into the inner side of the mounting block 40, one end of the bolt 39 passes through the inner side of the arc seat 31, and a nut 33 is threadedly mounted on the outer side of the bolt 39. The mounting block 40 and the bolt 39 can stably set the arc seat 31 inside the bottom shell 16 and the flip shell 15. When the grinding brush 32 on the inner side of the arc seat 31 is worn in the later stage, the arc seat 31 can be removed as a whole and replaced with a new one for use.

[0026] The connecting assembly includes a mounting seat 18 fixedly mounted on the upper surface of the flip shell 15, a T-shaped block 20 is connected to the inner side of one end of the mounting seat 18 through a fixedly mounted cylinder 17, the T-shaped block 20 and the mounting seat 18 are slidably matched, a sleeve 21 is slidably mounted on the outer side of the T-shaped block 20, a screw pin 19 is inserted through the internal thread of one end of the sleeve 21, a plurality of screw holes for inserting the screw pin 19 are provided on one side of the T-shaped block 20, a rotating shaft 22 is fixedly connected to the side of the sleeve 21 away from the screw pin 19, a first gear 23 is sleeved on the outer side of the rotating shaft 22, and the worker The sleeve 21 is pushed upward, causing the first gear 23 at the rotating shaft 22 to move upward toward the double-sided gear ring 30, and then the two are locked into each other, and then the screw pin 19 is screwed from one side of the sleeve 21 into the corresponding screw hole of the T-shaped block 20, so that the position of the sleeve 21 is fixed and meshed with the inside of the double-sided gear ring 30, thereby ensuring that the double-sided gear ring 30 is rotated under the meshing transmission of the second gear 34 and the drive of the second motor 35, driving the flip shell 16 and the bottom shell 15 to rotate and grind on the outside of the ball screw body 10.

[0027] Working principle: The worker puts the corresponding ball screw body 10 between the two sets of cushions 13, and then turns the handle 8 to drive the screw 7 to drive the pressure rod 11 to move downward, so as to press the ball screw body 10, so that it will not shake during the grinding operation, and then put the flip shell 15 and the bottom shell 16 onto the outside of the ball screw body 10, and then the cylinder 17 can push the T-shaped block 20 to move to one side of the double-sided gear ring 30, so that the first gear 23 is placed inside the double-sided gear ring 30, and then the worker pushes the sliding sleeve 21 upward, so that the first gear 23 at the rotating shaft 22 is meshed with the inside of the double-sided gear ring 30, thereby ensuring the later The double-sided gear ring 30 rotates under the meshing transmission of the second gear 34 and the drive of the second motor 35, so that the grinding brush 32 inside the flip shell 16 and the bottom shell 15 can grind the outer surface of the ball screw body 10, and under the drive of the movable seat 29 and the sliding mechanism, it can reciprocate above the U-shaped seat 2 to ensure the adequacy of the grinding of the ball screw body 10. Under the wrapping of the flip shell 16 and the bottom shell 15, the grinding chips are left inside the bottom shell 15, and the chips will not fall on the upper surface of the machine base 1, and the dispersion of chips can be greatly reduced, ensuring that workers at work will not inhale more harmful substances.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention claimed.

Claims

1. A ball screw surface pretreatment mechanism, comprising: A machine base (1), characterized in that: a U-shaped seat (2) is fixedly mounted on the upper surface of the machine base (1), a slide groove (5) is provided on the upper surface of the U-shaped seat (2), the inner side of the U-shaped seat (2) is connected to a movable seat (29) via a sliding mechanism, an engagement mechanism is provided at one end of the inner side of the movable seat (29), an L-shaped frame (6) is fixedly mounted on the upper surface of the movable seat (29), a transmission assembly is provided at one end of the L-shaped frame (6) away from the movable seat (29), side frames (3) are fixedly mounted on both sides of the machine base (1), and the inner upper surfaces of the two sets of side frames (3) are connected via a clamping mechanism. A ball screw body (10) is commonly connected, and a flip shell (15) and a bottom shell (16) are arranged on the outside of the ball screw body (10), and the flip shell (15) and the bottom shell (16) are rotatably connected, and a clamping piece is arranged at the edge of one end of the flip shell (15), and arc seats (31) are arranged inside the flip shell (15) and the bottom shell (16), and multiple groups of grinding brushes (32) are fixedly installed on the inner walls of the two arc seats (31) on the sides close to each other, and positioning pieces are arranged at both ends of the outer sides of the two arc seats (31), and a connecting component is arranged on the upper surface of the flip shell (15).

2. A ball screw surface pretreatment mechanism according to claim 1, characterized in that: The sliding mechanism comprises a screw rod (14) rotatably mounted on the upper inner side of the U-shaped seat (2), one end of the screw rod (14) passes through the outer side of the U-shaped seat (2) and a first motor (4) is mounted on the end thereof, the first motor (4) is fixedly connected to the U-shaped seat (2), the screw rod (14) is threadedly engaged with a movable seat (29), and a fixed shaft (37) is fixedly mounted on one end of the movable seat (29), and a roller (38) is mounted on the fixed shaft (37) at a position corresponding to the slide groove (5).

3. The surface pretreatment mechanism of a ball screw pair according to claim 1, characterized in that: The meshing mechanism comprises a second motor (35) fixedly mounted on one end of the inner side of a movable seat (29); an L-shaped rod (36) fixedly mounted on one side of the movable seat (29); a clamping shaft fixedly mounted on the output end of the second motor (35); one end of the clamping shaft rotatably inserted into the interior of the L-shaped rod (36); and a second gear (34) fixedly sleeved on the outer side of the clamping shaft.

4. A ball screw surface pretreatment mechanism according to claim 3, characterized in that: The transmission assembly comprises a fixed column (28) fixedly mounted on the inner side of one end of the L-shaped frame (6) away from the movable seat (29); a retaining ring (27) is fixedly mounted on one end of the fixed column (28); a double-sided gear ring (30) is rotatably sleeved on the inner side of the retaining ring (27); and the double-sided gear ring (30) is meshed with a second gear (34).

5. The surface pretreatment mechanism of a ball screw pair according to claim 1, characterized in that: The clamping mechanism comprises a cushion seat (13) fixedly mounted on the upper surface of the side frame (3), guide rods (12) fixedly mounted on both ends of the inner side of the cushion seat (13), a pressure rod (11) slidably sleeved on the outer sides of the two guide rods (12), a screw rod (7) rotatably mounted on the inner side of one end of the pressure rod (11), a clamping seat (9) fixedly mounted on the outer wall of one side of the side frame (3) and close to the bottom, one end of the screw rod (7) passes through the inner side of the clamping seat (9) and a handle (8) fixedly mounted on the bottom end.

6. A ball screw surface pretreatment mechanism according to claim 1, characterized in that: The clamping member comprises a top block (25) fixedly mounted at an edge of one end of the flip shell (15), a clamping rod (24) being mounted at the bottom end of the top block (25), a movable block (26) being rotatably mounted on the outer side of the clamping rod (24), and the movable block (26) being in movably contact with the bottom of one side of the bottom shell (16).

7. The surface pretreatment mechanism of a ball screw pair according to claim 1, characterized in that: The positioning member comprises a mounting block (40) fixedly mounted inside the flip shell (15) or the bottom shell (16), a bolt (39) being fixedly inserted into the inner side of the mounting block (40), one end of the bolt (39) passing through the inner side of the arc-shaped seat (31), and a nut (33) being threadedly sleeved on the outer side of the bolt (39).

8. The surface pretreatment mechanism of a ball screw pair according to claim 1, characterized in that: The connecting assembly comprises a mounting seat (18) fixedly mounted on the upper surface of the flip shell (15); a T-shaped block (20) is connected to the inner side of one end of the mounting seat (18) via a fixedly mounted cylinder (17); the T-shaped block (20) and the mounting seat (18) are slidably matched; a sliding sleeve (21) is slidably mounted on the outer side of the T-shaped block (20); a screw pin (19) is inserted through an internal thread of one end of the sliding sleeve (21); a plurality of screw holes adapted to be inserted into the screw pin (19) are provided on one side of the surface of the T-shaped block (20); a rotating shaft (22) is fixedly connected to the side of the sliding sleeve (21) away from the screw pin (19); and a first gear (23) is sleeved on the outer side of the rotating shaft (22).

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