Universal coupling shaft convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of tobacco bale packaging and processing, and discloses a universal coupling shaft convenient to disassemble and assemble, which comprises a first connecting rod, and a second connecting rod is mounted on the left side of the first connecting rod. According to the universal coupling shaft convenient to disassemble and assemble, a fixing inserting piece is taken down from an inner cavity of a mounting hole through a hand, then a right connecting shaft assembly is pulled outwards through the hand, then a first cross shaft fixing block is driven to move through movement of the right connecting shaft assembly, and meanwhile a gland and a sunk screw are driven to move; and then the inner side of a first cross shaft fixing block is separated from the surface of the cross connecting shaft, then the effect of disassembling and assembling the universal connecting shaft is achieved, then the convenience and efficiency of subsequent work of operators are greatly improved, and the problem that in the using process of an existing universal connecting shaft, the universal connecting shaft is inconvenient to disassemble and assemble, and the working efficiency is poor can be solved. And replacement can be carried out only after all the components are disassembled, and step loss can be caused after long-time operation.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette packing and processing, in particular to a universal joint shaft which is easy to disassemble and assemble. Background Art

[0002] Since the cigarette packing machine needs to run at high speed and improve the packaging quality, all parts of the machinery are required to operate reliably, be convenient to repair and easy to maintain.

[0003] The prior art publication number is CN 203161874 U. The patented technology does not require the step of milling machine processing. The connecting section is directly stamped, and the connecting rod is riveted or welded on the connecting section. The operation is simple and convenient, and the processing cost is reduced.

[0004] At present, universal joints are often needed in cigarette packaging machines because of their functions of connecting different shafts, transmitting torque, alleviating axial displacement, saving space, absorbing impact and overload protection. However, during the use of existing universal joints, the mechanical connection part from the four-wheel to the five-wheel of the packaging machine, because the four-wheel power output shaft and the five-wheel power input shaft are not in the same plane and are at different heights, the original vehicle is connected by a universal joint and has certain position requirements. Double universal joints are used to ensure consistent angular velocity. The universal joint uses a fixed cross block transmission, but the universal joint is inconvenient to disassemble and assemble. It must be completely disassembled for replacement. After long-term operation, there will be a phenomenon of lost steps. Therefore, improvements are proposed for the universal joint.

[0005] In order to solve the above problems, we have made improvements and proposed a universal joint shaft that is easy to disassemble and assemble. Utility Model Content

[0006] The utility model aims to provide a universal joint shaft which is easy to disassemble and assemble, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A universal joint shaft which is easy to disassemble and assemble, comprises a connecting rod 1, a connecting rod 2 is installed on the left side of the connecting rod 1, an adjusting shaft 1 is fixedly connected to the right side of the connecting rod 1, a movable shaft is movably connected to the right side of the inner cavity of the adjusting shaft 1, a spline sleeve is fixedly connected to the right side of the movable shaft, a left connecting shaft assembly is fixedly connected to the right side of the spline sleeve and the left side of the connecting rod 2, a cross connecting shaft is movably connected to a cross shaft fixing block 2 on the inner side, a cross connecting shaft is installed on the outer side of the cross shaft fixing block 2, a cross connecting shaft is movably connected to the outer side of the surface of the cross connecting shaft with the cross shaft fixing block 1, and a right connecting shaft assembly is movably connected to the surface of the cross shaft fixing block 1.

[0009] As a further solution of the utility model: the top and bottom of the inner cavity of the left connecting shaft assembly and the front and back sides of the inner cavity of the right connecting shaft assembly are installed with pressure covers, the inner cavity of the pressure cover and the inner cavity of the right connecting shaft assembly are movably connected with countersunk screws, the inner sides of the pressure covers respectively penetrate into the inner cavities of the left connecting shaft assembly and the right connecting shaft assembly and are movably connected to the outer sides of the cross shaft fixing block one and the cross shaft fixing block two, and the inner sides of the pressure covers are fixed to the outer side of the inner cavity of the left connecting shaft assembly by countersunk screws.

[0010] As a further solution of the utility model: the top and bottom of the inner cavity of the left connecting shaft assembly and the front and back sides of the inner cavity of the right connecting shaft assembly are provided with placement grooves, the surface of the inner cavity of the placement groove is movably connected to the surface of the pressure cover, the inner cavity of the placement groove is provided with a fixing hole, and the inner cavity of the fixing hole is movably connected to the surface of the countersunk screw.

[0011] As a further solution of the utility model: arc grooves are provided around the outer side of the second cross-axis fixing block and around the inner side of the first cross-axis fixing block. The arc grooves are arranged in a semi-ring structure, and the inner side of the arc grooves is movably connected to the surface of the cross connecting shaft.

[0012] As a further solution of the utility model: the inner cavities of the cross-axis fixing block 2 and the cross-axis fixing block 1 are surrounded by mounting holes, the mounting holes are arranged in a circular structure, and the surface of the cross-connecting shaft is fixedly connected with a gasket, and the gasket is arranged in a circular structure.

[0013] As a further solution of the utility model: the inner cavity of the adjusting shaft 1 is provided with an inner tube groove, the inner tube groove is arranged in a gear-shaped structure, and the inner cavity of the inner tube groove is movably connected to the surface of the spline sleeve.

[0014] As a further solution of the utility model: the right side of the surface of the second connecting rod is fixedly connected with a flange plate one, the left side of the surface of the first connecting rod is fixedly connected with a flange plate two, and the inner cavities of the second flange and the first flange are movably connected with long hole bolts around them.

[0015] As a further solution of the utility model: the inner cavity of the flange plate one is provided with a socket one, and the socket one is arranged in a circular structure; the inner cavity of the flange plate two is provided with a socket two, and the socket two is arranged in a long arc structure; the inner cavities of the socket one and the socket two are movably connected to the surface of the long hole bolt.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model removes the fixing plug-in from the inner cavity of the mounting hole by hand, and then pulls the right connecting shaft assembly outward by hand, and then drives the cross shaft fixing block 1 to move through the movement of the right connecting shaft assembly, and at the same time drives the pressure cover and the countersunk screw to move, and then makes the inner side of the cross shaft fixing block 1 separate from the surface of the cross connecting shaft, and then achieves the effect of disassembling and assembling the universal joint shaft, thereby greatly improving the convenience and efficiency of the subsequent work of the operator, and can enable the existing universal joint shaft to be used in the process of using the packaging machine. The four-wheel to five-wheel mechanical connection part, because the four-wheel power output shaft and the five-wheel power input shaft are not in the same plane and at different heights, the original car is connected by a universal coupling, and has certain position requirements, and is connected by a double universal coupling to ensure the consistency of angular velocity. The universal coupling adopts a fixed cross block transmission, but the disassembly and assembly of the universal joint shaft is inconvenient, and it must be completely disassembled before replacement. After long-term operation, there will be a problem of step loss.

[0018] 2. The utility model achieves the effect of installing and fixing the pressure cover on the surfaces of the left connecting shaft assembly and the right connecting shaft assembly respectively by setting the countersunk screws, and realizes the effect of supporting the cross shaft fixing block 1 and the cross shaft fixing block 2, so that the cross shaft fixing block 1 and the cross shaft fixing block 2 can be smoothly rotated in the inner cavity of the right connecting shaft assembly and the left connecting shaft assembly respectively, thereby greatly improving the overall working stability of the universal joint shaft, and through the setting of the arc groove, the inner side of the cross shaft fixing block 1 and the outer side of the cross shaft fixing block 2 can be tightly fitted to the surface of the cross connecting shaft, thereby achieving the effect of fixing the cross shaft fixing block 1, the cross shaft fixing block 2 and the cross connecting shaft, avoiding the phenomenon of loosening and falling off when the cross shaft fixing block 1, the cross shaft fixing block 2 and the cross connecting shaft are in a working state. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a universal joint shaft that is easy to disassemble and assemble;

[0020] Figure 2 A schematic diagram of the structural connection of a mounting hole in a universal joint shaft that is easy to disassemble and assemble;

[0021] Figure 3 It is a structural connection diagram of a left connecting shaft assembly in a universal joint shaft that is easy to disassemble and assemble;

[0022] Figure 4 It is a structural connection diagram of a right connecting shaft assembly in a universal joint shaft that is easy to disassemble and assemble;

[0023] Figure 5 A schematic diagram of the structural connection of a spline sleeve in a universal joint shaft that is easy to disassemble and assemble;

[0024] Figure 6A schematic diagram of the structural connection of a socket 1 in a universal joint shaft that is easy to disassemble and assemble;

[0025] Figure 7 The present invention is a schematic diagram of the structural connection of the inner groove of the tube in a universal joint shaft which is easy to disassemble and assemble.

[0026] In the figure: 1. Connecting rod 1; 2. Countersunk screw; 3. Pressure cap; 4. Washer; 5. Cross shaft fixing block 1; 6. Cross shaft fixing block 2; 7. Cross connecting shaft; 8. Spline sleeve; 9. Adjusting shaft 1; 10. Connecting rod 2; 11. Flange 1; 12. Right connecting shaft assembly; 13. Long hole bolt; 14. Arc groove; 15. Mounting hole; 16. Placement groove; 17. Fixing hole; 18. Flange 2; 19. Left connecting shaft assembly; 20. Socket 1; 21. Inner groove of tube; 22. Socket 2; 23. Movable shaft. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the implementation mode of the utility model clearer, the technical solution in the implementation mode of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation mode of the utility model. Obviously, the implementation mode described is a part of the implementation mode of the utility model, not all the implementation modes. Based on the implementation mode of the utility model, all other implementation modes obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0028] See also Figure 1 , 2 , 3, 4, 5, 6 and 7, a universal joint shaft which is easy to disassemble and assemble, comprises a connecting rod 1, a connecting rod 2 10 is installed on the left side of the connecting rod 1, an adjusting shaft 9 is fixedly connected to the right side of the connecting rod 1, a movable shaft 23 is movably connected to the right side of the inner cavity of the adjusting shaft 9, a spline sleeve 8 is fixedly connected to the right side of the movable shaft 23, a left connecting shaft assembly 19 is fixedly connected to the right side of the spline sleeve 8 and the left side of the connecting rod 2 10, a cross shaft fixing block 2 6 is movably connected to the inner side of the left connecting shaft assembly 19, a cross connecting shaft 7 is installed on the outer side of the cross shaft fixing block 2 6, a cross connecting shaft 7 is movably connected to the outer side of the surface of the cross connecting shaft 7 with a cross shaft fixing block 1 5, and a right connecting shaft assembly 12 is movably connected to the surface of the cross shaft fixing block 5.

[0029] The top and bottom of the inner cavity of the left connecting shaft assembly 19 and the front and back sides of the inner cavity of the right connecting shaft assembly 12 are installed with pressure covers 3, and the inner cavities of the pressure covers 3 and the inner cavities of the right connecting shaft assembly 12 are movably connected with countersunk screws 2. The inner sides of the pressure covers 3 respectively penetrate the inner cavities of the left connecting shaft assembly 19 and the right connecting shaft assembly 12 and are movably connected to the outer sides of the cross shaft fixing block 1 5 and the cross shaft fixing block 2 6. The inner sides of the pressure covers 3 are installed and fixed to the outer side of the inner cavity of the left connecting shaft assembly 19 by countersunk screws 2. Through the setting of the countersunk screws 2, the pressure covers 3 are respectively installed and fixed to the surfaces of the left connecting shaft assembly 19 and the right connecting shaft assembly 12, and the effect of supporting the cross shaft fixing block 1 5 and the cross shaft fixing block 2 6 is achieved, so that the cross shaft fixing block 1 5 and the cross shaft fixing block 2 6 can be smoothly installed in the right connecting shaft assembly respectively. 12 and the inner cavity of the left connecting shaft assembly 19 are rotated, thereby greatly improving the overall working stability of the universal connecting shaft, the top and bottom of the inner cavity of the left connecting shaft assembly 19 and the front and back sides of the inner cavity of the right connecting shaft assembly 12 are provided with placement grooves 16, the surface of the inner cavity of the placement groove 16 is movably connected to the surface of the pressure cover 3, and the inner cavity of the placement groove 16 is provided with a fixing hole 17, and the inner cavity of the fixing hole 17 is movably connected to the surface of the countersunk screw 2. Through the setting of the placement groove 16, the pressure cover 3 can be smoothly installed and fixed to the inner cavity of the left connecting shaft assembly 19 and the right connecting shaft assembly 12. Through the setting of the fixing hole 17, it is more convenient for the operator to install the countersunk screw 2, thereby achieving the effect of installing and fixing the pressure cover 3, and then achieving the effect of supporting the cross shaft fixing block 1 5 and the cross shaft fixing block 2 6 in the working state.

[0030] Arc grooves 14 are provided around the outer side of the cross-axis fixing block 2 6 and around the inner side of the cross-axis fixing block 1 5. The arc grooves 14 are arranged in a semi-ring structure. The inner side of the arc grooves 14 is movably connected to the surface of the cross-connecting shaft 7. Through the arrangement of the arc grooves 14, the inner side of the cross-axis fixing block 1 5 and the outer side of the cross-axis fixing block 2 6 can be closely fitted to the surface of the cross-connecting shaft 7, thereby achieving the effect of fixing the cross-axis fixing block 1 5, the cross-axis fixing block 2 6 and the cross-connecting shaft 7, avoiding the phenomenon of loosening and falling off between the cross-axis fixing block 1 5, the cross-axis fixing block 2 6 and the cross-connecting shaft 7 when they are in a working state. Mounting holes 15 are provided around the inner cavity of block 2 6 and cross shaft fixing block 1 5, and the mounting holes 15 are arranged in a circular structure. A gasket 4 is fixedly connected to the surface of the cross connecting shaft 7, and the gasket 4 is arranged in a circular structure. Through the arrangement of the mounting holes 15, it is more convenient for operators to install and fix the cross shaft fixing block 1 5, the cross shaft fixing block 2 6 and the cross connecting shaft 7, thereby ensuring the stability of the universal joint shaft during operation. Through the arrangement of the gasket 4, the effect of limiting the cross connecting shaft 7 in the working state is achieved, preventing the cross connecting shaft 7 from falling off from the inner side of the cross shaft fixing block 1 5 and the cross shaft fixing block 2 6 during operation.

[0031] The inner cavity of the adjusting shaft 9 is provided with an inner tube groove 21, which is arranged in a gear-like structure. The inner cavity of the inner tube groove 21 is movably connected to the surface of the spline sleeve 8. Through the setting of the inner tube groove 21, the surface of the spline sleeve 8 can smoothly rotate in the inner cavity of the adjusting shaft 9, thereby achieving the effect of adjusting the length between the adjusting shaft 9 and the left connecting shaft assembly 19. The right side of the surface of the connecting rod 10 is fixedly connected with a flange 11, and the left side of the surface of the connecting rod 1 is fixedly connected with a flange 2 18. The flange 2 18 and the inner cavity of the flange 11 are movably connected with long hole bolts 13. Through the setting of the flange 11 and the flange 2 18, it is more convenient for operators to connect and fix the connecting rod 2 10 and the connecting rod 1. , through the setting of the long hole bolt 13, the effect of fixing the flange 11 and the flange 2 18 is achieved, and then the effect of fixing the connecting rod 2 10 and the connecting rod 1 is achieved. The inner cavity of the flange 11 is provided with a socket 20, and the socket 20 is arranged in a circular structure. The inner cavity of the flange 2 18 is provided with a socket 22, and the socket 22 is arranged in a long arc structure. The inner cavities of the socket 1 20 and the socket 2 22 are both movably connected to the surface of the long hole bolt 13. Through the setting of the socket 1 20 and the socket 2 22, it is easier to insert the long hole bolt 13 into the inner cavity of the flange 11 and the flange 2 18, and then the effect of fixing the connecting rod 1 and the connecting rod 2 10 is achieved, thereby realizing the transmission of power and the adjustment of torque.

[0032] The working principle of the utility model is: first, manually place the cross-axis fixing block 1 5 and the cross-axis fixing block 2 6 in the inner cavities of the right connecting shaft assembly 12 and the left connecting shaft assembly 19 respectively, and then manually place the pressure cover 3 on the outside of the right connecting shaft assembly 12 and the left connecting shaft assembly 19, and then manually insert the countersunk screw 2 into the inner cavities of the pressure cover 3, the right connecting shaft assembly 12 and the left connecting shaft assembly 19, and then make the inner side of the countersunk screw 2 inserted into the inner cavities of the cross-axis fixing block 1 5 and the cross-axis fixing block 2 6, so as to not only achieve the effect of installing and fixing the pressure cover 3, but also achieve the effect of supporting the cross-axis fixing block 1 5 and the cross-axis fixing block 2 6, at the same time, the washer 4 is used to limit the cross-connecting shaft 7 in the working state to prevent the cross-connecting shaft 7 from falling off from the inner sides of the cross-axis fixing block 1 5 and the cross-axis fixing block 2 6 during the working process, and then the spline sleeve 8 is pushed to the left by hand, thereby achieving the effect of adjusting the adjusting shaft 9 and the left connecting shaft assembly. The length between the connecting rods 19 is adjusted, and then the hand moves the connecting rod 2 10 to the right, and then the hand moves the connecting rod 1 to the left, and then the right side of the connecting rod 2 10 and the left side of the connecting rod 1 are closely fitted, and then the right side of the flange 11 and the left side of the flange 2 18 are closely fitted, and then the hand inserts the long hole bolt 13 into the socket 1 20 and the socket 2 22 of the inner cavity of the flange 11 and the flange 2 18, so as to achieve the effect of fixing the connection between the connecting rod 1 and the connecting rod 2 10. Finally, when the right connecting shaft assembly 12 rotates, the inner side of the cross shaft fixing block 1 5 will rotate up and down on the surface of the cross connecting shaft 7, so as to achieve the effect of adjusting the torque and transmitting power, thereby ensuring the stability of the cigarette packing machine during operation, and because the cross shaft fixing block 1 5 and the cross shaft fixing block 2 6 are easy to disassemble, it is convenient for the operator to disassemble and assemble the left connecting shaft assembly 19 and the right connecting shaft assembly 12.

[0033] What is described above 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 universal joint shaft that is easy to disassemble and assemble, comprising a connecting rod (1), characterized in that: A connecting rod 2 (10) is installed on the left side of the connecting rod 1 (1), an adjusting shaft 1 (9) is fixedly connected to the right side of the connecting rod 1 (1), a movable shaft (23) is movably connected to the right side of the inner cavity of the adjusting shaft 1 (9), a spline sleeve (8) is fixedly connected to the right side of the movable shaft (23), a left connecting shaft assembly (19) is fixedly connected to the right side of the spline sleeve (8) and the left side of the connecting rod 2 (10), a cross shaft fixing block 2 (6) is movably connected to the inner side of the left connecting shaft assembly (19), a cross connecting shaft (7) is installed on the outer side of the cross connecting shaft fixing block 2 (6), a cross connecting shaft (7) is movably connected to the outer side of the surface of the cross connecting shaft (7), and a right connecting shaft assembly (12) is movably connected to the surface of the cross shaft fixing block 1 (5).

2. The universal joint shaft that is easy to disassemble and assemble according to claim 1, characterized in that: The top and bottom of the inner cavity of the left connecting shaft assembly (19) and the front and back sides of the inner cavity of the right connecting shaft assembly (12) are both installed with pressure covers (3), and the inner cavities of the pressure covers (3) and the inner cavities of the right connecting shaft assembly (12) are both movably connected with countersunk screws (2). The inner sides of the pressure covers (3) respectively penetrate the inner cavities of the left connecting shaft assembly (19) and the right connecting shaft assembly (12) and are movably connected to the outer sides of the cross shaft fixing block 1 (5) and the cross shaft fixing block 2 (6). The inner sides of the pressure covers (3) are fixed to the outer sides of the inner cavities of the left connecting shaft assembly (19) by countersunk screws (2).

3. The universal joint shaft that is easy to disassemble and assemble according to claim 1, characterized in that: The top and bottom of the inner cavity of the left connecting shaft assembly (19) and the front and back sides of the inner cavity of the right connecting shaft assembly (12) are provided with placement grooves (16), the surface of the inner cavity of the placement groove (16) is movably connected to the surface of the pressure cover (3), and the inner cavity of the placement groove (16) is provided with a fixing hole (17), and the inner cavity of the fixing hole (17) is movably connected to the surface of the countersunk screw (2).

4. The universal joint shaft that is easy to disassemble and assemble according to claim 1, characterized in that: Arc grooves (14) are provided around the outer side of the second cross-shaft fixing block (6) and around the inner side of the first cross-shaft fixing block (5). The arc grooves (14) are arranged in a semi-ring structure, and the inner side of the arc grooves (14) is movably connected to the surface of the cross connecting shaft (7).

5. The universal joint shaft that is easy to disassemble and assemble according to claim 1, characterized in that: The inner cavities of the second cross-axis fixing block (6) and the first cross-axis fixing block (5) are surrounded by mounting holes (15), the mounting holes (15) being arranged in a circular structure, and the surface of the cross-connecting shaft (7) is fixedly connected with a washer (4), the washer (4) being arranged in a circular structure.

6. The universal joint shaft that is easy to assemble and disassemble according to claim 1, characterized in that: The inner cavity of the adjusting shaft 1 (9) is provided with an inner tube groove (21), the inner tube groove (21) is arranged in a gear-shaped structure, and the inner cavity of the inner tube groove (21) is movably connected to the surface of the spline sleeve (8).

7. The universal joint shaft that is easy to assemble and disassemble according to claim 1, characterized in that: The right side of the surface of the second connecting rod (10) is fixedly connected to a flange plate (11), and the left side of the surface of the first connecting rod (1) is fixedly connected to a flange plate (18). The inner cavities of the second flange (18) and the first flange (11) are movably connected with long hole bolts (13).

8. The universal joint shaft that is easy to assemble and disassemble according to claim 7, characterized in that: The inner cavity of the flange plate 1 (11) is provided with a first insertion hole (20), and the first insertion hole (20) is arranged in a circular structure. The inner cavity of the flange plate 2 (18) is provided with a second insertion hole (22), and the second insertion hole (22) is arranged in a long arc structure. The inner cavities of the first insertion hole (20) and the second insertion hole (22) are both movably connected to the surface of the long hole bolt (13).

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