Special clamp suitable for machining large slewing bearing

Abstract

The utility model discloses a special fixture suitable for large slewing bearing machining, which comprises a workbench, three first electric push rods are fixedly mounted at the top end of the workbench, first mounting blocks are fixedly mounted at the moving ends of the three first electric push rods respectively, and second mounting blocks are fixedly mounted at one ends of the three first mounting blocks respectively. And first motors are fixedly mounted at the top ends of the three second mounting blocks correspondingly. By arranging the first electric push rod, the first mounting block, the second mounting block, the first motor, the first threaded rod, the clamping plate and the clamping block, the first electric push rod can push the first mounting block, the second mounting block and the clamping block to clamp slewing bearings of different sizes, and the first motor drives the first threaded rod to rotate; and the clamping plate can be adjusted up and down, so that the clamping plate is adjusted to a proper position for clamping according to the thickness of the support, and the problems that the clamping precision is not high, the operation of workers is tedious, the labor intensity is high, and small-batch and medium-batch multi-variety machining is not adapted are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of slewing bearing processing, in particular to a special clamp suitable for processing large slewing bearings. Background Art

[0002] A slewing bearing is a mechanical component used to support and rotate equipment, usually used in rotating cranes, turntables, windmills and other equipment. Its main function is to provide support and reduce friction during the rotating motion of the equipment to ensure stable operation and long-term use of the equipment. A slewing bearing usually consists of inner and outer rings, rolling elements and sealing devices. The rolling elements between the inner and outer rings can reduce friction and provide good rotation performance. The sealing device can prevent dust, water and other impurities from entering the slewing bearing and extend its service life. The selection and installation of the slewing bearing needs to be comprehensively considered based on factors such as the load, speed, working environment and installation space of the equipment to ensure that it can meet the working requirements of the equipment and has a long service life.

[0003] At present, the clamping of large slewing bearing processing mainly relies on clamping multiple independent pressure plate clamping devices at various positions and angles or selecting special fixtures for a single product, which leads to problems such as low clamping accuracy, cumbersome operation for workers, high labor intensity, etc. or is not suitable for the development direction of flexible processing production mode of small and medium batches and multiple varieties. Therefore, a special fixture suitable for large slewing bearing processing is proposed to overcome the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a special clamp suitable for machining large slewing bearings.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A special fixture suitable for large-scale slewing bearing processing comprises a workbench, three first electric push rods are fixedly installed on the top of the workbench, first mounting blocks are fixedly installed on the moving ends of the three first electric push rods, second mounting blocks are fixedly installed on one ends of the three first mounting blocks, first motors are fixedly installed on the tops of the three second mounting blocks, first threaded rods are fixedly installed on the power output ends of the three first motors, clamping plates are respectively arranged on the outer walls of the three first threaded rods, clamping blocks are fixedly installed on one ends of the three second mounting blocks, a bottom plate is arranged at the bottom end of the workbench, and a bottom plate is fixedly installed on the top of the bottom plate Two second electric push rods are installed, and the movable ends of the two second electric push rods are fixedly installed with a mounting plate, and the top of the mounting plate is fixedly installed with a mounting frame, and the second threaded rod is rotatably installed on the inner bottom end of the mounting frame, and a mounting ring is fixedly installed on the top of the outer wall of the second threaded rod, and the left and right ends of the mounting ring are respectively rotatably installed with the first connecting rod, and a moving ring is provided at the bottom end of the outer wall of the second threaded rod, and the left and right ends of the moving ring are respectively rotatably installed with the second connecting rod, and a connecting block is provided at the connection between the first connecting rod and the second connecting rod, and a clamping head is fixedly installed on one end of the connecting block, and the bottom end of the second threaded rod is fixedly connected to the second motor.

[0007] Preferably, a mounting groove is formed at one end of the second mounting block, and the power output end of the first motor passes through the second mounting block and extends to the inside of the mounting groove, that is, the first threaded rod is arranged inside the mounting groove.

[0008] Preferably, a through hole is formed through the top of the workbench.

[0009] Preferably, four support columns are fixedly installed between the workbench and the base plate.

[0010] Preferably, the power output end of the second motor passes through the mounting plate and is fixedly connected to the second threaded rod.

[0011] Preferably, the first connecting rod and the second connecting rod are rotatably connected to the connecting block.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model provides a first electric push rod, a first mounting block, a second mounting block, a first motor, a first threaded rod, a clamping plate and a clamping block. The first electric push rod can push the first mounting block, the second mounting block and the clamping block to clamp slewing bearings of different sizes. The first motor drives the first threaded rod to rotate, so that the clamping plate can be adjusted up and down, so as to be adjusted to a suitable position for clamping according to the thickness of the support, thereby solving the problems of low clamping accuracy, complicated operation for workers, high labor intensity, and unsuitability for small and medium batch multi-variety processing.

[0014] 2. The utility model arranges a second threaded rod, a mounting ring, a first connecting rod, a connecting block, a clamping head, a second connecting rod, a moving ring, a second motor and a second electric push rod. The second motor drives the second threaded rod to rotate, so that the moving ring rises, thereby pushing the moving ring and the first connecting rod to move, and pushing the connecting block and the clamping head outward, thereby clamping the inner ring of the support, so that the support can be disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a special fixture suitable for large slewing bearing processing proposed by the utility model;

[0016] Figure 2 This is a right view structural schematic diagram of a special fixture suitable for large slewing bearing processing proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of a top view of a special fixture suitable for machining large slewing bearings proposed by the utility model;

[0018] Figure 4 The utility model is a schematic cross-sectional structure diagram of a special clamp suitable for machining large slewing bearings.

[0019] In the figure: 1. workbench; 2. first electric push rod; 3. first mounting block; 4. second mounting block; 5. first motor; 6. first threaded rod; 7. clamping plate; 8. clamping block; 9. mounting plate; 10. mounting frame; 11. second threaded rod; 12. mounting ring; 13. first connecting rod; 14. connecting block; 15. clamping head; 16. second connecting rod; 17. moving ring; 18. second motor; 19. second electric push rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4A special fixture suitable for large-scale slewing bearing processing comprises a workbench 1, a through hole is opened through the top of the workbench 1, three first electric push rods 2 are fixedly installed on the top of the workbench 1, and the moving ends of the three first electric push rods 2 are respectively fixedly installed with first mounting blocks 3, and one end of the three first mounting blocks 3 is respectively fixedly installed with second mounting blocks 4, and the tops of the three second mounting blocks 4 are respectively fixedly installed with first motors 5, and the power output ends of the three first motors 5 are respectively fixedly installed with first threaded rods 6, and one end of the second mounting block 4 is opened with a mounting groove, and the power output end of the first motor 5 passes through the second mounting block 4 and extends to the inside of the mounting groove, that is, the first threaded rod 6 is arranged inside the mounting groove, and the outer walls of the three first threaded rods 6 are respectively provided with clamping plates 7, and one end of the three second mounting blocks 4 are respectively fixedly installed with clamping blocks 8, and the bottom end of the workbench 1 is provided with a bottom plate, and four support columns are fixedly installed between the workbench 1 and the bottom plate. Two second electric push rods 19 are fixedly installed on the top of the plate, and the movable ends of the two second electric push rods 19 are fixedly installed with a mounting plate 9, and a mounting frame 10 is fixedly installed on the top of the mounting plate 9. A second threaded rod 11 is rotatably installed on the inner bottom end of the mounting frame 10, and a mounting ring 12 is fixedly installed on the top of the outer wall of the second threaded rod 11. The left and right ends of the mounting ring 12 are respectively rotatably installed with a first connecting rod 13, and a moving ring 17 is provided at the bottom end of the outer wall of the second threaded rod 11. The left and right ends of the moving ring 17 are respectively rotatably installed with a second connecting rod 16, and a connecting block 14 is provided at the connection between the first connecting rod 13 and the second connecting rod 16, and the first connecting rod 13 and the second connecting rod 16 are rotatably connected to the connecting block 14, and a clamping head 15 is fixedly installed on one end of the connecting block 14, and the bottom end of the second threaded rod 11 is fixedly connected to a second motor 18, and the power output end of the second motor 18 passes through the mounting plate 9 and is fixedly connected to the second threaded rod 11.

[0022] The use method and advantages of the utility model: When the special fixture suitable for large slewing bearing processing is used, the working process is as follows:

[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, when using the special fixture suitable for processing large slewing bearings, first connect the electrical equipment in the special fixture suitable for processing large slewing bearings to an external power supply and controller, first place the bearing on the top of the workbench 1, then push the first mounting block 3, the second mounting block 4 and the clamping block 8 through the first electric push rod 2 to clamp the bearing, then drive the first threaded rod 6 to rotate through the first motor 5 so that the clamping plate 7 clamps it according to the subsequent thickness, then drive the second threaded rod 11 to rotate through the second motor 18, so that the moving ring 17 starts to move, push the second connecting rod 16 and the first connecting rod 13 to move, thereby pushing the connecting block 14 and the clamping head 15, so that the clamping head 15 can clamp the inner ring of the support, then push the mounting plate 9 through the second electric push rod 19 to drive the clamping head 15 to move up and down, thereby disassembling or installing the bearing.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A special fixture suitable for machining large slewing bearings, comprising a workbench (1), characterized in that: Three first electric push rods (2) are fixedly mounted on the top of the workbench (1), first mounting blocks (3) are fixedly mounted on the movable ends of the three first electric push rods (2), second mounting blocks (4) are fixedly mounted on one ends of the three first mounting blocks (3), first motors (5) are fixedly mounted on the tops of the three second mounting blocks (4), first threaded rods (6) are fixedly mounted on the power output ends of the three first motors (5), clamping plates (7) are provided on the outer walls of the three first threaded rods (6), clamping blocks (8) are fixedly mounted on one ends of the three second mounting blocks (4), and a bottom plate is provided at the bottom end of the workbench (1), two second electric push rods (19) are fixedly mounted on the top of the bottom plate, and the movable ends of the two second electric push rods (19) are fixedly mounted on the bottom ends of the two second electric push rods (19). A mounting plate (9) is provided, a mounting frame (10) is fixedly mounted on the top of the mounting plate (9), a second threaded rod (11) is rotatably mounted on the inner bottom end of the mounting frame (10), a mounting ring (12) is fixedly mounted on the top of the outer wall of the second threaded rod (11), a first connecting rod (13) is rotatably mounted on the left and right ends of the mounting ring (12), a moving ring (17) is provided at the bottom of the outer wall of the second threaded rod (11), a second connecting rod (16) is rotatably mounted on the left and right ends of the moving ring (17), a connecting block (14) is provided at the connection between the first connecting rod (13) and the second connecting rod (16), a clamping head (15) is fixedly mounted on one end of the connecting block (14), and a second motor (18) is fixedly connected to the bottom end of the second threaded rod (11).

2. A special fixture suitable for large slewing bearing processing according to claim 1, characterized in that: One end of the second mounting block (4) is provided with a mounting groove, and the power output end of the first motor (5) passes through the second mounting block (4) and extends into the interior of the mounting groove, that is, the first threaded rod (6) is arranged inside the mounting groove.

3. The special fixture suitable for large slewing bearing processing according to claim 1 is characterized in that: A through hole is formed through the top of the workbench (1).

4. The special fixture suitable for large slewing bearing processing according to claim 1 is characterized in that: Four support columns are fixedly installed between the workbench (1) and the bottom plate.

5. The special fixture suitable for large slewing bearing processing according to claim 1 is characterized in that: The power output end of the second motor (18) passes through the mounting plate (9) and is fixedly connected to the second threaded rod (11).

6. The special fixture suitable for large slewing bearing processing according to claim 1 is characterized in that: The first connecting rod (13) and the second connecting rod (16) are rotatably connected to the connecting block (14).

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