Scissor rotating mechanism of hydraulic shear

Abstract

The utility model belongs to the technical field of hydraulic shear rotation, and particularly relates to a hydraulic shear shear rotating mechanism which comprises a connecting piece, a rotating disc is rotatably connected to the bottom of the connecting piece, a motor is fixedly connected to the interior of the connecting piece, the output end of the motor is fixedly connected with the rotating disc, an oil cavity is formed in the connecting piece, and the oil cavity is communicated with the rotating disc. An oil injection port is formed in the top of the connecting piece, a pair of top plates are fixedly connected to the top of the rotating disc, an oil outlet rod is slidably connected to the bottom of the oil cavity, an oil outlet hole is formed in the middle of the oil outlet rod, a spring is fixedly connected to the bottom of the connecting piece, and the other end of the spring is fixedly connected to the middle of the oil outlet rod. The rotating mechanism can be conveniently lubricated, abrasion of components is reduced, and the service life of the rotating mechanism is prolonged.

Description

Technical Field

[0001] This utility model belongs to the field of hydraulic shear rotation technology, specifically a hydraulic shear rotation mechanism. Background Technology

[0002] Hydraulic shears are tools that use hydraulic principles to perform cutting operations. Due to their large shearing force, they are mainly used to cut metal and other hard materials.

[0003] Some large hydraulic shears are too heavy to be moved manually, so they are mounted on robotic arms for use. Therefore, these hydraulic shears consist of a connecting mechanism, a rotating mechanism, a blade holder, a hydraulic cylinder, and blades. The rotating mechanism is used to adjust the cutting angle of the shears. However, the rotating mechanism of existing hydraulic shears is not easy to lubricate, which makes the components prone to wear and affects the service life of the device.

[0004] Therefore, this utility model provides a hydraulic shear rotation mechanism. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The hydraulic shears rotating mechanism of this utility model includes a connecting member, a rotating disk rotatably connected to the bottom of the connecting member, a motor fixedly connected inside the connecting member, the output end of the motor fixedly connected to the rotating disk, an oil cavity opened inside the connecting member, an oil inlet opened at the top of the connecting member, a pair of top plates fixedly connected to the top of the rotating disk, an oil outlet rod slidably connected to the bottom of the oil cavity, an oil outlet hole opened in the middle of the oil outlet rod, a spring fixedly connected to the bottom of the connecting member, and the other end of the spring fixedly connected to the middle of the oil outlet rod. Through the above structure, the rotating mechanism can be easily lubricated, reducing the wear of components and extending the service life of the rotating mechanism.

[0007] Preferably, a top block is slidably connected to the middle of the oil outlet rod, and a ball bearing is rotatably and slidably connected to the bottom of the oil outlet rod. Multiple first oil passages are opened in the middle of the top block, and multiple second oil passages are opened on the inner side wall of the oil outlet rod. A pair of fixed rods are fixedly connected to the bottom side wall of the oil outlet rod. Through the above structure, the sliding friction between the oil outlet rod and the rotating disk can be transformed into rolling friction between the ball bearing and the rotating disk. This reduces the wear at the bottom of the oil outlet rod, which leads to a decrease in the sealing effect of the oil outlet hole and causes the lubricant to leak out quickly, resulting in excessive consumption of lubricant inside the oil cavity.

[0008] Preferably, a fixed pipe is fixedly connected to the bottom of the oil chamber, and the oil outlet rod is slidably installed in the middle of the fixed pipe. The bottom of the fixed pipe has multiple oil inlet holes, and the bottom of the oil chamber has multiple oil return grooves. With the above structure, when the hydraulic shear is rotated and adjusted so that the top plate moves just below the oil outlet rod and stops, the continuous outflow of lubricating fluid inside the oil chamber can be reduced, and the amount of lubricating fluid flowing out each time the oil outlet rod is squeezed by the top plate can be kept uniform, thus reducing the need for frequent lubricating fluid filling inside the oil chamber.

[0009] Preferably, a pull rope is fixed between the inner top of the fixed tube and the top of the oil outlet rod. Multiple embedded discs are fixed to the middle of the pull rope, and a sponge is fixed to the middle of the pull rope. With the above structure, when there is little lubricating fluid in the oil cavity, the situation of a significant decrease in the lubrication effect on the connecting parts and rotating disc can be reduced, the utilization rate of the lubricating fluid in the oil cavity can be improved, and the frequency of adding lubricating fluid to the oil cavity can be further reduced.

[0010] Preferably, the rotating disk has multiple third oil passages in the middle and an oil baffle plate is fixed to the top of the rotating disk. Through the above structure, the lubricant can flow quickly between the connector and the rotating disk, thereby improving the lubrication effect between the connector and the rotating disk.

[0011] Preferably, a roller is rotatably connected to the middle of the fixed rod, and the bottom of the roller is set higher than the bottom of the ball. Through the above structure, the sliding friction between the top plate and the fixed rod can be transformed into rolling friction between the fixed rod and the top plate, thereby reducing the wear of the component and improving the service life of the component.

[0012] Preferably, a rubber pad is fixed to the top of the top block, and the size of the rubber pad is larger than the port size of the oil outlet. With the above structure, when the top block is pressed and contacts the bottom of the oil outlet, the leakage of lubricating fluid can be reduced, thereby reducing the continuous loss of lubricating fluid when the equipment is not running.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The hydraulic shears rotating mechanism of this utility model, through the arrangement of connecting parts, rotating disk, motor, oil chamber, oil injection port, top plate, oil outlet rod, oil outlet hole and spring, can facilitate the lubrication of the rotating mechanism, reduce the wear of components and extend the service life of the rotating mechanism.

[0015] 2. The hydraulic shear rotation mechanism of this utility model, through the arrangement of top block, ball bearing, first oil passage, second oil passage and fixed rod, can transform the sliding friction between the oil outlet rod and the rotating disk into the rolling friction between the ball bearing and the rotating disk, reducing the wear at the bottom of the oil outlet rod that leads to a decrease in the sealing effect of the oil outlet hole, and preventing the rapid loss of lubricating fluid and excessive consumption of lubricating fluid inside the oil chamber. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a schematic diagram of the oil cavity structure in this utility model;

[0019] Figure 3 This is a schematic diagram of the top plate structure in this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the fixing tube in this utility model;

[0021] Figure 5 This is a schematic diagram of the ball bearing structure in this utility model.

[0022] In the diagram: 1. Connector; 12. Rotating disc; 13. Motor; 14. Oil chamber; 15. Oil inlet; 16. Top plate; 17. Oil outlet rod; 18. Oil outlet hole; 19. Spring; 2. Top block; 21. Ball bearing; 22. First oil passage; 23. Second oil passage; 24. Fixing rod; 3. Fixing pipe; 31. Oil inlet hole; 32. Oil return groove; 4. Sponge; 41. Pull rope; 42. Embedded disc; 5. Third oil passage; 51. Oil baffle plate; 6. Roller; 7. Rubber pad. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figures 1 to 5As shown, a hydraulic shear rotation mechanism according to an embodiment of this utility model includes a connector 1. A rotating disk 12 is rotatably connected to the bottom of the connector 1. A motor 13 is fixedly connected inside the connector 1, and the output end of the motor 13 is fixedly connected to the rotating disk 12. An oil cavity 14 is opened inside the connector 1, and an oil inlet 15 is opened at the top of the connector 1. A pair of top plates 16 are fixedly connected to the top of the rotating disk 12. An oil outlet rod 17 is slidably connected to the bottom of the oil cavity 14. An oil outlet hole 18 is opened in the middle of the oil outlet rod 17. A spring 19 is fixedly connected to the bottom of the connector 1, and the other end of the spring 19 is fixedly connected to the middle of the oil outlet rod 17. During operation, the connector 1 is installed on a robotic arm, and the hydraulic shear is positioned below the rotating disk 12. The mechanism is activated by starting the electric motor. The machine 13 drives the rotating disk 12 and the scissors to rotate and adjust the angle. During the rotation of the rotating disk 12, the bottom of the oil outlet rod 17 will be pressed against the top of the rotating disk 12 by the elastic force of the spring 19, blocking the oil outlet hole 18 and making it difficult for the lubricant inside the oil chamber 14 to flow out. When the top plate 16 rotates to below the oil outlet rod 17, the bottom edge of the oil outlet rod 17 will be lifted by a pair of top plates 16, so that the bottom opening of the oil outlet hole 18 is no longer blocked, allowing the lubricant inside the oil chamber 14 to flow out and fall onto the rotating disk 12. Then the lubricant seeps into the space between the connecting part 1 and the rotating disk 12 to lubricate the components. Through the above structure, the rotating mechanism can be easily lubricated, reducing the wear of the components and extending the service life of the rotating mechanism.

[0025] like Figures 1 to 5 As shown, a top block 2 is slidably connected to the middle of the oil outlet rod 17, and a ball bearing 21 is rotatably and slidably connected to the bottom of the oil outlet rod 17. Multiple first oil passages 22 are opened in the middle of the top block 2, and multiple second oil passages 23 are opened on the inner side wall of the oil outlet rod 17. A pair of fixed rods 24 are fixedly connected to the bottom side wall of the oil outlet rod 17. During operation, the oil outlet rod 17 is pressed down by the elastic force of the spring 19, causing the ball bearing 21 to contact the top of the rotating disk 12. The ball bearing 21, under pressure, presses against the top block 2, causing the top block 2 to block the oil outlet hole 18, making it difficult for the lubricant to flow out. When a pair of top plates 16 move below the oil outlet rod 17, a pair of... The fixed rod 24 is supported by a pair of top plates 16, so that the bottom of the ball 21 is no longer squeezed, thereby causing the top block 2 to drop a part and open the bottom of the oil outlet 18. The lubricant will flow out through the first oil passage 22 and the second oil passage 23 to lubricate the connecting piece 1 and the rotating disk 12. Through the above structure, the sliding friction between the oil outlet rod 17 and the rotating disk 12 can be transformed into the rolling friction between the ball 21 and the rotating disk 12, reducing the wear at the bottom of the oil outlet rod 17, which would reduce the sealing effect of the oil outlet 18 and cause the lubricant to leak out quickly, resulting in the lubricant in the oil cavity 14 being consumed too quickly.

[0026] like Figures 1 to 4As shown, a fixed pipe 3 is fixedly connected to the bottom of the oil chamber 14, and an oil outlet rod 17 is slidably installed in the middle of the fixed pipe 3. The bottom of the fixed pipe 3 has multiple oil inlet holes 31, and the bottom of the oil chamber 14 has multiple oil return grooves 32. During operation, the lubricant inside the oil chamber 14 enters the fixed pipe 3 through the multiple oil inlet holes 31. When the oil outlet rod 17 is squeezed and rises, the middle of the oil outlet rod 17 blocks the multiple oil inlet holes 31, making it difficult for the lubricant inside the oil chamber 14 to continue to enter the fixed pipe 3. At the same time, the top of the oil outlet rod 17 squeezes the lubricant inside the fixed pipe 3, causing the lubricant inside the fixed pipe 3 to be squeezed out through the oil outlet hole 18. With the above structure, when the hydraulic shear is rotated and adjusted so that the top plate 16 moves exactly below the oil outlet rod 17 and stops, the continuous outflow of lubricant inside the oil chamber 14 can be reduced, and the amount of lubricant flowing out each time the oil outlet rod 17 is squeezed by the top plate 16 can be kept uniform, reducing the frequent filling of lubricant inside the oil chamber 14.

[0027] like Figures 1 to 4 As shown, a pull rope 41 is fixedly connected between the top of the inner part of the fixed tube 3 and the top of the oil outlet rod 17. Multiple embedded discs 42 are fixedly connected to the middle of the pull rope 41, and a sponge 4 is fixedly connected to the middle of the pull rope 41. During operation, when the lubricant level in the oil chamber 14 drops, the lubricant is drawn into the sponge 4. When the sponge 4 is squeezed by the oil outlet rod 17, the lubricant is released. When the oil outlet rod 17 descends due to the elastic force of the spring 19, the oil outlet rod 17 will pull the pull rope 41 and the embedded discs 42 to make the sponge 4 unfold and absorb the lubricant. Through the above structure, when the lubricant in the oil chamber 14 is low, the situation of a significant decrease in the lubrication effect of the connecting part 1 and the rotating disk 12 can be reduced, the utilization rate of the lubricant in the oil chamber 14 can be improved, and the frequency of adding lubricant to the oil chamber 14 can be further reduced.

[0028] like Figures 1 to 3 As shown, a plurality of third oil passages 5 are provided in the middle of the rotating disk 12, and an oil baffle plate 51 is fixedly connected to the top of the rotating disk 12. During operation, the lubricating fluid flowing out from the oil outlet 18 will flow quickly through the plurality of third oil passages 5 to the space between the connector 1 and the rotating disk 12 and play a role. Through the above structure, the lubricating fluid can flow quickly between the connector 1 and the rotating disk 12, thereby improving the lubrication effect between the connector 1 and the rotating disk 12.

[0029] like Figures 1 to 5 As shown, a roller 6 is rotatably connected to the middle of the fixed rod 24. The bottom of the roller 6 is set higher than the bottom of the ball 21. Through the above structure, the sliding friction between the top plate 16 and the fixed rod 24 can be transformed into rolling friction between the fixed rod 24 and the top plate 16, thereby reducing the wear of the components and improving their service life.

[0030] like Figure 5As shown, a rubber pad 7 is fixed to the top of the top block 2. The size of the rubber pad 7 is larger than the port size of the oil outlet 18. With the above structure, when the top block 2 is pressed and contacts the bottom of the oil outlet 18, the leakage of lubricating fluid can be reduced, thereby reducing the continuous loss of lubricating fluid when the equipment is stopped.

[0031] During operation, connector 1 is installed on the robotic arm, and the hydraulic shears are positioned below the rotating disk 12. The rotating disk 12 and the shears are rotated by the starter motor 13 to adjust the angle. During the rotation of the rotating disk 12, the bottom of the oil outlet rod 17 is pressed against the top of the rotating disk 12 by the spring force of the spring 19, blocking the oil outlet port 18 and making it difficult for the lubricant inside the oil chamber 14 to flow out. When the top plate 16 rotates to a position below the oil outlet rod 17, the bottom edge of the oil outlet rod 17 is lifted by a pair of top plates 16, causing the oil outlet port 18 to open. The bottom opening of 8 is no longer blocked, allowing the lubricant inside the oil chamber 14 to flow out and fall onto the rotating disk 12. The lubricant then seeps between the connector 1 and the rotating disk 12 to lubricate the components. The oil outlet rod 17 is pressed down by the spring force of the spring 19, causing the ball 21 to contact the top of the rotating disk 12. The ball 21, under pressure, presses against the top block 2, causing the top block 2 to block the oil outlet 18, making it difficult for the lubricant to flow out. When a pair of top plates 16 move below the oil outlet rod 17, a pair of fixing rods 24 are respectively supported by the pair of top plates 16, allowing the ball to flow out. When the bottom of bead 21 is no longer compressed, the top block 2 drops slightly, opening the bottom of the oil outlet 18. Lubricant flows out through the first oil passage 22 and the second oil passage 23 to lubricate the connector 1 and the rotating disk 12. The lubricant inside the oil chamber 14 enters the fixed tube 3 through multiple oil inlets 31. When the oil outlet rod 17 is compressed and rises, the middle of the oil outlet rod 17 blocks multiple oil inlets 31, making it difficult for the lubricant inside the oil chamber 14 to continue entering the fixed tube 3. Simultaneously, the top of the oil outlet rod 17 will press against the inside of the fixed tube 3. The lubricant in the fixed tube 3 is squeezed and forced out through the oil outlet 18. When the lubricant level in the oil chamber 14 drops, the lubricant is drawn into the sponge 4. When the sponge 4 is squeezed by the oil outlet rod 17, the lubricant is released. When the oil outlet rod 17 descends due to the elastic force of the spring 19, the oil outlet rod 17 will pull the pull rope 41 and the inner plate 42 to make the sponge 4 unfold and absorb the lubricant. The lubricant flowing out of the oil outlet 18 will flow quickly through multiple third oil channels 5 to the connecting part 1 and the rotating disk 12 and play its role.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulic shears rotating mechanism, comprising a connecting member (1), characterized in that: The bottom of the connector (1) is rotatably connected to a rotating disk (12). A motor (13) is fixedly connected inside the connector (1). The output end of the motor (13) is fixedly connected to the rotating disk (12). An oil cavity (14) is opened inside the connector (1). An oil inlet (15) is opened at the top of the connector (1). A pair of top plates (16) are fixedly connected to the top of the rotating disk (12). An oil outlet rod (17) is slidably connected to the bottom of the oil cavity (14). An oil outlet hole (18) is opened in the middle of the oil outlet rod (17). A spring (19) is fixedly connected to the bottom of the connector (1). The other end of the spring (19) is fixedly connected to the middle of the oil outlet rod (17).

2. The hydraulic shear rotation mechanism according to claim 1, characterized in that: The oil outlet rod (17) is slidably connected to a top block (2) in the middle, and the bottom of the oil outlet rod (17) is rotatably and slidably connected to a ball (21). The top block (2) has multiple first oil passages (22) in the middle, and the inner sidewall of the oil outlet rod (17) has multiple second oil passages (23). The bottom sidewall of the oil outlet rod (17) is fixedly connected to a pair of fixing rods (24).

3. The hydraulic shear rotation mechanism according to claim 1, characterized in that: The bottom of the oil chamber (14) is fixedly connected to a fixed pipe (3), the oil outlet rod (17) is slidably installed in the middle of the fixed pipe (3), the bottom of the fixed pipe (3) is provided with multiple oil inlet holes (31), and the bottom of the oil chamber (14) is provided with multiple oil return grooves (32).

4. The hydraulic shear rotation mechanism according to claim 3, characterized in that: A pull rope (41) is fixed between the top of the inside of the fixed tube (3) and the top of the oil outlet rod (17). Multiple embedded discs (42) are fixed in the middle of the pull rope (41), and a sponge (4) is fixed in the middle of the pull rope (41).

5. The hydraulic shear rotation mechanism according to claim 1, characterized in that: The rotating disk (12) has multiple third oil passages (5) in the middle, and an oil baffle (51) is fixed to the top of the rotating disk (12).

6. The hydraulic shear rotation mechanism according to claim 2, characterized in that: The middle part of the fixed rod (24) is rotatably connected to a roller (6), and the bottom of the roller (6) is set higher than the bottom of the ball (21).

7. The hydraulic shear rotation mechanism according to claim 2, characterized in that: A rubber pad (7) is fixed to the top of the top block (2), and the size of the rubber pad (7) is larger than the port size of the oil outlet (18).

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