Press fitting mechanism for assembling swivel joint

Abstract

The utility model discloses a press fitting mechanism for assembling a swivel joint, and relates to the technical field of swivel joint assembling. The press-fitting mechanism for assembling the swivel joint comprises a workbench, supporting legs are fixedly connected to the bottom of the workbench, a fixing plate is fixedly connected to the upper end of the workbench, a top plate is fixedly connected to the outer wall of the upper end of the fixing plate, and an air cylinder is fixedly connected to the upper end of the top plate; the output end of the air cylinder is fixedly connected with a C-shaped plate, and a moving device and a clamping device are arranged at the bottom of the C-shaped plate. The clamping device comprises a mounting plate. An electric telescopic rod is started to pull a connecting block to be close to the electric telescopic rod, then a clamping rod and a clamping block are driven to be close to the middle under the cooperation of a connecting rod and a sliding block under the sliding rail until the clamping rod and the clamping block make contact with a rotating shaft, the rotating shaft can be fixed, and then the stability of the rotating shaft during moving and rotating can be guaranteed; and the risk of accidental injury or damage to the assembly part can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of swivel joint assembly, and particularly relates to a pressing mechanism for swivel joint assembly. Background Technique

[0002] Swivel joints can be divided into: single-circuit swivel joints and double-circuit swivel joints according to their uses. The circuit swivel joints can select the connection method according to the working conditions. The transmission medium inlet can freely select to enter from the side or the rear according to the working conditions. The sealing surface and the sealing ring are made of special materials, which are wear-resistant, long-life, corrosion-resistant, and leak-free. There are two precision bearings inside the swivel joint, which operate smoothly and lastingly, are firm and flexible, and have a small friction coefficient, so they can operate at high speeds.

[0003] For example, Chinese Patent: CN2106494Y, the technical solution disclosed in this patent is as follows: A pressing tool for swivel joint assembly, used for the assembly of a rotating shaft and a swivel body, includes a workbench and a frame. The workbench is provided with a rotating shaft and a swivel body to be assembled. The pressing tool further includes a pressing oil cylinder. The cylinder body of the pressing oil cylinder is fixedly arranged on the frame. The piston rod of the pressing oil cylinder is arranged in the vertical direction. A pressing plate is arranged at the end of the piston rod of the pressing oil cylinder. By pushing the pressing plate with the pressing oil cylinder, the assembly of the rotating shaft and the swivel body is completed. The operation is simple and convenient, reducing the workload of workers, ensuring the assembly quality, and improving the economic benefits.

[0004] However, in actual use, a magnetic chuck is used to adsorb the rotating shaft in the above patent, and the stability is poor, which may affect the quality and accuracy of the final assembly. Content of the Utility Model

[0005] In view of the deficiencies of the prior art, the utility model provides a pressing mechanism for swivel joint assembly, which solves the problems raised in the above background technique. To achieve the above purposes, the utility model is realized through the following technical solutions: A pressing mechanism for swivel joint assembly includes a workbench. The bottom of the workbench is fixedly connected with support legs, and the upper end of the workbench is fixedly connected with a fixing plate. The outer wall of the upper end of the fixing plate is fixedly connected with a top plate. The upper end of the top plate is fixedly connected with a cylinder. The output end of the cylinder is fixedly connected with a U-shaped plate. A moving device and a clamping device are arranged at the bottom of the U-shaped plate; The clamping device includes a mounting plate. The mounting plate is arranged at the lower end of the U-shaped plate. The outer wall of the mounting plate is fixedly connected with an electric telescopic rod. The output end of the electric telescopic rod is fixedly connected with a connecting block. The connecting block is rotationally connected with a connecting rod through a pin shaft. The other end of the connecting rod is rotationally connected with a slider through a pin shaft. The outer wall of the slider is fixedly connected with a clamping rod. The inner wall of the clamping rod is fixedly connected with a clamping block.

[0006] Preferably, the clamping device further includes a slide rail fixedly connected to the bottom of the mounting plate, and the slider is slidably connected to the outer wall of the slide rail; by providing the slide rail, it can be ensured that the slider slides along a specified direction.

[0007] Preferably, two connecting rods, sliders, clamping rods and clamping blocks are provided and symmetrically arranged on both sides of the connecting block; thus, the clamping effect can be achieved by two clamping blocks.

[0008] Preferably, the moving device includes a motor A fixedly connected to the inner wall of the C-shaped plate. The output end of the motor A is fixedly connected to a threaded rod A, and the other end of the threaded rod A is rotatably connected to the inner wall of the C-shaped plate through a bearing. A transmission wheel A is fixedly sleeved on the outer wall of the threaded rod A. A transmission belt is wound around the outer wall of the transmission wheel A. The inner wall of the other side of the transmission belt is drivingly connected to a transmission wheel B. A threaded rod B is drivingly connected to the inner wall of the C-shaped plate. The transmission wheel B is fixedly sleeved on the outer wall of the threaded rod B. A moving plate is threadedly connected to the outer walls of the threaded rod A and the threaded rod B. A motor B is fixedly connected to the bottom of the moving plate. The output end of the motor B is fixedly connected to a threaded rod C. A moving block is threadedly connected to the outer wall of the threaded rod C.

[0009] Preferably, the threaded rod A and the threaded rod B are in the same horizontal position and symmetrically arranged at the bottom of the C-shaped plate; thus, it can be ensured that the moving plate performs a horizontal movement in the front and back directions.

[0010] Preferably, the top of the moving block is slidably connected to the bottom of the moving plate, and the bottom of the moving block is fixedly connected to the top of the mounting plate.

[0011] The utility model provides a pressing mechanism for the assembly of a rotary joint. It has the following beneficial effects:

[0012] (1). By starting the electric telescopic rod to pull the connecting block towards it, and then, with the cooperation of the connecting rod and the slider on the slide rail, the clamping rod and the clamping block will be driven to approach the middle until they contact the rotary shaft, so that the rotary shaft can be fixed, and thus the stability of the rotary shaft during movement and assembly can be ensured, and the risk of accidental injury or damage to the assembled parts can be avoided.

[0013] (2). By starting the motor A to drive the threaded rod A to rotate, and then, with the cooperation of the transmission wheel A, the transmission belt, the transmission wheel B, the threaded rod B, the moving plate, the motor B, the threaded rod C, the moving block, the forward and backward movement of the rotary shaft is realized, and the assembly accuracy is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 Schematic diagram of the partial three-dimensional structure of the present utility model;

[0016] Figure 3 For the present utility model Figure 2 Enlarged schematic diagram of the structure at position A.

[0017] In the figure: 1, workbench; 2, support leg; 3, fixed plate; 4, top plate; 5, cylinder; 6, C-shaped plate; 701, motor A; 702, threaded rod A; 703, transmission wheel A; 704, transmission belt; 705, transmission wheel B; 706, threaded rod B; 707, moving plate; 708, motor B; 709, threaded rod C; 710, moving block; 801, mounting plate; 802, electric telescopic rod; 803, connecting block; 804, connecting rod; 805, slider; 806, clamping rod; 807, clamping block; 808, slide rail. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0019] Embodiment 1

[0020] Please refer to Figure 1-3 , a pressing mechanism for the assembly of a rotary joint, including a workbench 1, the bottom of the workbench 1 is fixedly connected with support legs 2, the upper end of the workbench 1 is fixedly connected with a fixed plate 3, the outer wall of the upper end of the fixed plate 3 is fixedly connected with a top plate 4, the upper end of the top plate 4 is fixedly connected with a cylinder 5, the output end of the cylinder 5 is fixedly connected with a C-shaped plate 6, and a moving device and a clamping device are arranged at the bottom of the C-shaped plate 6; the clamping device includes a mounting plate 801, the mounting plate 801 is arranged at the lower end of the C-shaped plate 6, the outer wall of the mounting plate 801 is fixedly connected with an electric telescopic rod 802, the output end of the electric telescopic rod 802 is fixedly connected with a connecting block 803, the connecting block 803 is rotationally connected with a connecting rod 804 through a pin shaft, the other end of the connecting rod 804 is rotationally connected with a slider 805 through a pin shaft, the outer wall of the slider 805 is fixedly connected with a clamping rod 806, and the inner wall of the clamping rod 806 is fixedly connected with a clamping block 807.

[0021] The clamping device further includes a slide rail 808, the slide rail 808 is fixedly connected to the bottom of the mounting plate 801, and the slider 805 is slidably connected to the outer wall of the slide rail 808; by providing the slide rail 808, it can be ensured that the slider 805 slides along a specified direction.

[0022] There are two connecting rods 804, sliders 805, clamping rods 806 and clamping blocks 807, and they are symmetrically arranged on both sides of the connecting block 803; thus, the clamping effect can be achieved through the two clamping blocks 807.

[0023] In this embodiment, by starting the electric telescopic rod 802 to pull the connecting block 803 towards it, the connecting rod 804 and the slider 805 will cooperate with the slide rail 808 to drive the clamping rod 806 and the clamping block 807 towards the middle until they contact the rotating shaft, so as to fix the rotating shaft. Furthermore, the stability of the rotating shaft during movement and assembly can be ensured, and the risk of accidental injury or damage to the assembled parts can be avoided. When in use, first place the connecting shaft between the two clamping blocks 807, start the electric telescopic rod 802 to pull the connecting block 803 towards it, which will then drive the connecting rod 804 to approach the electric telescopic rod 802 at the same time. Then, the other end of the connecting rod 804 will drive the slider 805 to move towards the middle on the outer wall of the slide rail 808, which will further drive the clamping rod 806 and the clamping block 807 towards the middle until they contact the rotating shaft, so as to fix the rotating shaft. Furthermore, the stability of the rotating shaft during movement and assembly can be ensured, and the risk of accidental injury or damage to the assembled parts can be avoided.

[0024] Embodiment 2

[0025] Please refer to Figure 1-3 , on the basis of Embodiment 1, the moving device includes a motor A701. The motor A701 is fixedly connected to the inner wall of the U-shaped plate 6. The output end of the motor A701 is fixedly connected to a threaded rod A702, and the other end of the threaded rod A702 is rotatably connected to the inner wall of the U-shaped plate 6 through a bearing. A transmission wheel A703 is fixedly sleeved on the outer wall of the threaded rod A702. A transmission belt 704 is wound around the outer wall of the transmission wheel A703. The inner wall of the other side of the transmission belt 704 is drivingly connected to a transmission wheel B705. A threaded rod B706 is drivingly connected to the inner wall of the U-shaped plate 6. The transmission wheel B705 is fixedly sleeved on the outer wall of the threaded rod B706. A moving plate 707 is threadedly connected to the outer walls of the threaded rod A702 and the threaded rod B706. The bottom of the moving plate 707 is fixedly connected to a motor B708. The output end of the motor B708 is fixedly connected to a threaded rod C709. A moving block 710 is threadedly connected to the outer wall of the threaded rod C709.

[0026] The threaded rod A702 and the threaded rod B706 are in the same horizontal position and symmetrically arranged at the bottom of the U-shaped plate 6; thus, the horizontal movement of the moving plate 707 in the front and back directions can be ensured.

[0027] The top of the moving block 710 is slidably connected to the bottom of the moving plate 707, and the bottom of the moving block 710 is fixedly connected to the top of the mounting plate 801.

[0028] In this embodiment, by starting the motor A701, the present application drives the threaded rod A702 to rotate, and then the transmission wheel A703, the transmission belt 704, the transmission wheel B705, the threaded rod B706, the movable plate 707, the motor B708, the threaded rod C709 move, and the moving block 710 cooperates to realize the forward and backward movement of the rotating shaft, thereby improving the assembly accuracy.

[0029] When in use, based on Example 1, first start the motor A701 to drive the threaded rod A702 to rotate, and then the transmission wheel A703 will rotate with the threaded rod A702, and then under the transmission action of the transmission belt 704, it will drive the transmission wheel B705 to rotate, thereby causing the threaded rod B706 to rotate, and then the movable plate 707 threadedly connected to the outer wall of the threaded rod A702 and the threaded rod B706 will move accordingly, thereby driving the mounting plate 801 and the rotating shaft to start forward and backward. When it is necessary to move left and right, start the motor B708 to drive the threaded rod C709 to move, and then the movable block 710 threadedly connected to its outer wall will move left and right accordingly.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A press-fitting mechanism for assembling a rotary joint, comprising a workbench (1), characterized in that: The bottom of the workbench (1) is fixedly connected with support legs (2). The upper end of the workbench (1) is fixedly connected with a fixed plate (3). The outer wall of the upper end of the fixed plate (3) is fixedly connected with a top plate (4). The upper end of the top plate (4) is fixedly connected with a cylinder (5). The output end of the cylinder (5) is fixedly connected with a U-shaped plate (6). A moving device and a clamping device are arranged at the bottom of the U-shaped plate (6). The clamping device includes a mounting plate (801). The mounting plate (801) is arranged at the lower end of the U-shaped plate (6). The outer wall of the mounting plate (801) is fixedly connected with an electric telescopic rod (802). The output end of the electric telescopic rod (802) is fixedly connected with a connecting block (803). The connecting block (803) is rotatably connected with a connecting rod (804) through a pin shaft. The other end of the connecting rod (804) is rotatably connected with a slider (805) through a pin shaft. The outer wall of the slider (805) is fixedly connected with a clamping rod (806). The inner wall of the clamping rod (806) is fixedly connected with a clamping block (807).

2. A press-fitting mechanism for assembling a rotary joint according to claim 1, characterized in that: The clamping device further includes a slide rail (808). The slide rail (808) is fixedly connected to the bottom of the mounting plate (801). The slider (805) is slidably connected to the outer wall of the slide rail (808).

3. A press-fitting mechanism for assembling a rotary joint according to claim 2, characterized in that: There are two connecting rods (804), sliders (805), clamping rods (806) and clamping blocks (807), and they are symmetrically arranged on both sides of the connecting block (803).

4. A press-fitting mechanism for assembling a rotary joint according to claim 3, characterized in that: The moving device includes a motor A (701). The motor A (701) is fixedly connected to the inner wall of the U-shaped plate (6). The output end of the motor A (701) is fixedly connected with a threaded rod A (702). The other end of the threaded rod A (702) is rotatably connected to the inner wall of the U-shaped plate (6) through a bearing. A transmission wheel A (703) is fixedly sleeved on the outer wall of the threaded rod A (702). A transmission belt (704) is wound around the outer wall of the transmission wheel A (703). The inner wall of the other side of the transmission belt (704) is drivingly connected with a transmission wheel B (705). A threaded rod B (706) is drivingly connected to the inner wall of the U-shaped plate (6). The transmission wheel B (705) is fixedly sleeved on the outer wall of the threaded rod B (706). A moving plate (707) is threadedly connected to the outer walls of the threaded rod A (702) and the threaded rod B (706). The bottom of the moving plate (707) is fixedly connected with a motor B (708). The output end of the motor B (708) is fixedly connected with a threaded rod C (709). A moving block (710) is threadedly connected to the outer wall of the threaded rod C (709).

5. A press-fitting mechanism for assembling a rotary joint according to claim 4, characterized in that: The threaded rod A (702) and the threaded rod B (706) are in the same horizontal position and are symmetrically arranged at the bottom of the U-shaped plate (6).

6. The press-fitting mechanism for assembling a rotary joint according to claim 5, characterized in that: The top of the moving block (710) is slidably connected to the bottom of the moving plate (707), and the bottom of the moving block (710) is fixedly connected to the top of the mounting plate (801).

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