Adjustable centerless grinding machine positioning mechanism

Abstract

The utility model discloses an adjustable centerless grinding machine positioning mechanism, and relates to the technical field of centerless grinding machines. One side of the top end of the operation table is fixedly connected with a fixed frame, the interior of the fixed frame is rotatably connected with a first grinding roller, the side, close to the first grinding roller, of the top end of the operation table is slidably clamped with a movable frame, the interior of the movable frame is rotatably connected with a second grinding roller, and one side of the top end of the operation table is fixedly connected with a U-shaped frame; a driving assembly is arranged in the U-shaped frame, and a distance adjusting assembly is arranged on one side of the moving frame. A servo motor drives a rotating rod to rotate, a first bevel gear and a second bevel gear are driven to rotate at the same time through cooperation between a key groove and a key, the first bevel gear and the second bevel gear are in engaged connection with a fourth bevel gear and a third bevel gear correspondingly, and a first grinding roller and a second grinding roller are driven to rotate at the same time; and the first grinding roller and the second grinding roller can be driven to rotate at the same time, and the equipment cost investment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of centerless grinders, in particular to an adjustable centerless grinder positioning mechanism. Background Art

[0002] Centerless grinder is a high-precision grinding machine equipment, mainly used for processing the outer surface and inner hole of parts. It uses a centerless clamping device, which can accurately grind circular parts while maintaining the roundness and concentricity of the parts. Centerless grinders are generally suitable for processing automotive parts, motorcycle parts, aerospace parts and other industrial fields. Its high precision requirements can meet the processing needs of parts with high precision requirements.

[0003] However, the two grinding rollers of the traditional centerless grinder are driven by a separate servo motor respectively, which increases the cost of the equipment. In view of the above problem, the inventor proposes an adjustable centerless grinder positioning mechanism to solve the above problem. Utility Model Content

[0004] In order to solve the problem of high investment cost of the positioning mechanism of the traditional centerless grinder, the purpose of the utility model is to provide an adjustable positioning mechanism of the centerless grinder.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an adjustable centerless grinder positioning mechanism, comprising an operating table, a fixed frame is fixedly connected to the top side of the operating table, a grinding roller one is rotatably connected inside the fixed frame, a movable frame is slidably connected to the side of the top of the operating table close to the grinding roller one, a grinding roller two is rotatably connected inside the movable frame, a U-shaped frame is fixedly connected to the top side of the operating table, a driving assembly is arranged inside the U-shaped frame, a distance adjustment assembly is arranged on one side of the movable frame, and support legs are fixedly connected to the four corners of the bottom end of the operating table.

[0006] Preferably, the driving assembly includes a rotating rod, which is rotatably connected to the interior of the U-shaped frame, and the outer side of the rotating rod is fixedly connected to the first bevel gear, and one end of the outer side of the rotating rod away from the first bevel gear is slidably engaged with an L-shaped plate, and the L-shaped plate is slidably engaged with the interior of the U-shaped frame, and the inner side of the L-shaped plate is rotatably connected to the second bevel gear, and a key slot is provided on the inner side of the second bevel gear, and one end of the rotating shaft of the grinding roller is fixedly connected to the outer side of the fixed frame and fixedly connected to the moving frame, the first bevel gear and the fourth bevel gear are meshed and connected, and one end of the rotating shaft of the grinding roller extends to one side of the L-shaped plate and is fixedly connected to the third bevel gear, and the second bevel gear and the third bevel gear are meshed and connected, and a servo motor is fixedly installed on one side of the U-shaped frame, and the driving end of the servo motor is fixedly connected to the rotating rod.

[0007] Preferably, the distance adjustment assembly includes a fixed plate, which is fixedly connected to the top of the operating table close to the side of the moving frame, one side of the fixed plate is threadedly connected to a threaded rod, one end of the threaded rod extends to one side of the fixed plate and is rotatably connected to the moving frame, and the end of the threaded rod away from the moving frame is fixedly connected to a handle.

[0008] Preferably, an electric telescopic rod is fixedly installed on the side of the top of the operating table away from the U-shaped frame, a placing table is fixedly connected to the top of the operating table and located between the first grinding roller and the second grinding roller, a through groove is opened on the side of the top of the operating table away from the electric telescopic rod, a PLC controller is fixedly installed on one side of the U-shaped frame, and the servo motor and the electric telescopic rod are electrically connected to the PLC controller.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The servo motor drives the rotating rod to rotate, and the keyway and the key are used to cooperate with each other to drive the first bevel gear and the second bevel gear to rotate at the same time. The first bevel gear and the second bevel gear are respectively meshed and connected with the fourth bevel gear and the third bevel gear, and the grinding rollers 1 and 2 are driven to rotate at the same time. The grinding rollers 1 and 2 can be driven to rotate at the same time, thereby reducing the investment of equipment cost;

[0011] 2. By turning the handle, the threaded rod is driven to rotate, pushing the movable frame to move toward or away from the fixed frame. By utilizing the cooperation between the keyway and the key, the position of the second bevel gear on the rotating rod can be adjusted without affecting the rotation of the second grinding roller, thereby adjusting the distance between the second grinding roller and the first grinding roller, which is convenient for processing round tubes of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the partial split structure of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the second bevel gear, keyway and key in the utility model.

[0016] In the figure: 1. operating table; 2. fixed frame; 3. grinding roller one; 4. moving frame; 5. grinding roller two; 6. U-shaped frame; 7. rotating rod; 8. first bevel gear; 9. L-shaped plate; 10. second bevel gear; 11. keyway; 12. key; 13. third bevel gear; 14. fourth bevel gear; 15. servo motor; 16. fixed plate; 17. threaded rod; 18. turning handle; 19. placing table; 20. electric telescopic rod; 21. through slot; 22. supporting leg; 23. PLC controller. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example: Figure 1-3 As shown, the utility model provides an adjustable centerless grinder positioning mechanism, including an operating table 1, a fixed frame 2 is fixedly connected to the top side of the operating table 1, a grinding roller 3 is rotatably connected inside the fixed frame 2, a moving frame 4 is slidably connected to the side of the top of the operating table 1 close to the grinding roller 3, a grinding roller 5 is rotatably connected inside the moving frame 4, a U-shaped frame 6 is fixedly connected to the top side of the operating table 1, a driving assembly is arranged inside the U-shaped frame 6, and a distance adjustment assembly is arranged on one side of the moving frame 4.

[0019] The driving assembly includes a rotating rod 7, which is rotatably connected to the inside of the U-shaped frame 6. The outside of the rotating rod 7 is fixedly connected to the first bevel gear 8. The outside of the rotating rod 7 is slidably clamped with an L-shaped plate 9 at one end away from the first bevel gear 8. The L-shaped plate 9 is slidably clamped in the inside of the U-shaped frame 6. The inside of the L-shaped plate 9 is rotatably connected to the second bevel gear 10. A key groove 11 is provided on the inside of the second bevel gear 10. The outside of the rotating rod 7 is fixedly connected with a key 12, and the key groove 11 is slidably clamped in the key 12. One end of the rotating shaft of the grinding roller 13 extends to the outside of the fixed frame 2 and is fixedly connected to the moving frame 4. The first bevel gear 8 and the fourth bevel gear 14 are meshed and connected. One end of the rotating shaft of the grinding roller 2 5 extends to one side of the L-shaped plate 9 and is fixedly connected to the third bevel gear 13. The second bevel gear 10 and the third bevel gear 13 are meshed and connected. A servo motor 15 is fixedly installed on one side of the U-shaped frame 6, and the driving end of the servo motor 15 is fixedly connected to the rotating rod 7.

[0020] By adopting the above technical solution, the servo motor 15 is used to drive the rotating rod 7 to rotate, and the cooperation between the keyway 11 and the key 12 is utilized to simultaneously drive the first bevel gear 8 and the second bevel gear 10 to rotate, and the first bevel gear 8 and the second bevel gear 10 are respectively meshed and connected with the fourth bevel gear 14 and the third bevel gear 13, thereby driving the grinding roller 1 3 and the grinding roller 2 5 to rotate, thereby realizing the driving of the equipment.

[0021] The distance adjustment assembly includes a fixed plate 16, which is fixedly connected to the top of the operating table 1 near the side of the moving frame 4. A threaded rod 17 is threadedly connected to one side of the fixed plate 16. One end of the threaded rod 17 extends to one side of the fixed plate 16 and is rotatably connected to the moving frame 4.

[0022] By adopting the above technical solution, the threaded rod 17 is rotated to push the movable frame 4 to move toward or away from the fixed frame 2, and the cooperation between the keyway 11 and the key 12 is utilized so that the position of the second bevel gear 10 on the rotating rod 7 can be adjusted without affecting the rotation of the grinding roller 2 5, thereby adjusting the distance between the grinding roller 2 5 and the grinding roller 1 3, so as to facilitate the processing of round tubes with different diameters.

[0023] One end of the threaded rod 17 away from the moving frame 4 is fixedly connected with a turning handle 18 .

[0024] By adopting the above technical solution and providing the turning handle 18 , the threaded rod 17 can be rotated and adjusted better.

[0025] An electric telescopic rod 20 is fixedly installed on the top of the operating table 1 away from the U-shaped frame 6, and a placement table 19 is fixedly connected to the top of the operating table 1 and located between the grinding roller 1 3 and the grinding roller 2 5. A through groove 21 is opened on the top of the operating table 1 away from the electric telescopic rod 20.

[0026] By adopting the above technical solution, when grinding and polishing the round rod, the round rod is placed on the top of the placement table 19. After grinding, the round rod is pushed out from the top of the placement table 19 and falls into the inside of the through groove 21 for collection through the extension of the piston rod of the electric telescopic rod 20.

[0027] Support legs 22 are fixedly connected to the four corners of the bottom of the operating table 1 .

[0028] By adopting the above technical solution and providing the support legs 22, the device can be placed more stably.

[0029] A PLC controller 23 is fixedly mounted on one side of the U-shaped frame 6 , and the servo motor 15 and the electric telescopic rod 20 are both electrically connected to the PLC controller 23 .

[0030] By adopting the above technical solution and setting up the PLC controller 23, it is convenient to control the device to work properly.

[0031] Working principle: When the equipment is used, the servo motor 15 is used to drive the rotating rod 7 to rotate, and the cooperation between the keyway 11 and the key 12 is used to drive the first bevel gear 8 and the second bevel gear 10 to rotate at the same time, and the first bevel gear 8 and the second bevel gear 10 are respectively engaged with the fourth bevel gear 14 and the third bevel gear 13, and the grinding roller 1 3 and the grinding roller 2 5 are driven to rotate at the same time, so as to realize the driving of the equipment, and by turning the handle 18, the threaded rod 17 is driven to rotate, and the movable frame 4 is pushed to move toward or away from the fixed frame 2. The cooperation between the keyway 11 and the key 12 allows the second bevel gear 10 to adjust its position on the rotating rod 7 without affecting the rotation of the grinding roller 2 5, thereby adjusting the distance between the grinding roller 2 5 and the grinding roller 1 3, so as to facilitate the processing of round tubes with different diameters.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An adjustable centerless grinding machine positioning mechanism, comprising an operating table (1), characterized in that: A fixed frame (2) is fixedly connected to one side of the top of the operating table (1), a grinding roller (3) is rotatably connected to the inside of the fixed frame (2), a moving frame (4) is slidably connected to the side of the top of the operating table (1) close to the grinding roller (3), a grinding roller (5) is rotatably connected to the inside of the moving frame (4), a U-shaped frame (6) is fixedly connected to one side of the top of the operating table (1), a driving component is arranged inside the U-shaped frame (6), and a distance adjustment component is arranged on one side of the moving frame (4); The driving assembly comprises a rotating rod (7), the rotating rod (7) is rotatably connected to the inside of the U-shaped frame (6), the outer side of the rotating rod (7) is fixedly connected to a first bevel gear (8), an end of the outer side of the rotating rod (7) away from the first bevel gear (8) is slidably clamped with an L-shaped plate (9), the L-shaped plate (9) is slidably clamped to the inside of the U-shaped frame (6), the inner side of the L-shaped plate (9) is rotatably connected to a second bevel gear (10), a key groove (11) is provided on the inner side of the second bevel gear (10), the outer side of the rotating rod (7) is fixedly connected to a key (12), the key groove (11) is fixedly connected to the outer side of the rotating rod (7), and the key groove (12) is fixedly connected to the outer side of the rotating rod (7). 11) is slidably engaged in the key (12), one end of the rotating shaft of the grinding roller one (3) extends to the outside of the fixed frame (2) and is fixedly connected to the movable frame (4), the first bevel gear (8) and the fourth bevel gear (14) are meshingly connected, one end of the rotating shaft of the grinding roller two (5) extends to one side of the L-shaped plate (9) and is fixedly connected to the third bevel gear (13), the second bevel gear (10) and the third bevel gear (13) are meshingly connected, a servo motor (15) is fixedly installed on one side of the U-shaped frame (6), and the driving end of the servo motor (15) is fixedly connected to the rotating rod (7).

2. An adjustable centerless grinding machine positioning mechanism as claimed in claim 1, characterized in that: The distance adjustment assembly comprises a fixed plate (16), wherein the fixed plate (16) is fixedly connected to a top end of the operating table (1) close to a side of the moving frame (4), and a threaded rod (17) is threadedly connected to one side of the fixed plate (16), and one end of the threaded rod (17) extends to one side of the fixed plate (16) and is rotatably connected to the moving frame (4).

3. An adjustable centerless grinding machine positioning mechanism as claimed in claim 2, characterized in that: One end of the threaded rod (17) away from the moving frame (4) is fixedly connected to a turning handle (18).

4. The adjustable centerless grinding machine positioning mechanism according to claim 1, characterized in that: An electric telescopic rod (20) is fixedly mounted on the top of the operating table (1) away from the U-shaped frame (6); a placement table (19) is fixedly connected to the top of the operating table (1) and located between the first grinding roller (3) and the second grinding roller (5); and a through groove (21) is provided on the top of the operating table (1) away from the electric telescopic rod (20).

5. The adjustable centerless grinding machine positioning mechanism according to claim 1, characterized in that: Support legs (22) are fixedly connected at the four corners of the bottom end of the operating table (1).

6. The adjustable centerless grinding machine positioning mechanism according to claim 1, characterized in that: A PLC controller (23) is fixedly mounted on one side of the U-shaped frame (6), and the servo motor (15) and the electric telescopic rod (20) are both electrically connected to the PLC controller (23).

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