Transmission device of sawing machine

Abstract

The transmission device of the sawing machine comprises a shell, a motor is installed above a bent rod, a saw blade movably connected with a through hole in the top of the shell is installed at the output end of the motor, a positioning mechanism is arranged in the shell, the positioning mechanism comprises a positioning rod, a protruding block and a first bent plate, and the protruding block is connected with the first bent plate. The top of the positioning rod is fixedly connected with the top of the lower plate body, the outer side of the positioning rod is movably connected with the through hole of the upper plate body, two protruding blocks fixedly connected with the front faces of the two plate bodies are arranged on the outer side of the positioning rod, and the outer sides of the two protruding blocks are movably connected with first bent plates. The utility model relates to the technical field of circular sawing machines, through the cooperation among the spring, the plate body and the first bent plate, the saw blade can be quickly disassembled and assembled, a user can conveniently repair and maintain the saw blade and other structures, the problems that the user can not conveniently assemble the saw blade while the existing device is lifted, the working time is prolonged in the actual operation, and the working efficiency is improved are solved. And the working efficiency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of circular sawing machines, in particular to a transmission device of a sawing machine. Background Art

[0002] Circular sawing machines are also called circular sawing machines, which are divided into fully automatic and semi-automatic. The circular saw blade performs a rotating cutting motion and simultaneously performs a feeding motion with the saw blade box. According to the feeding direction of the saw blade, circular sawing machines are divided into three types: horizontal (horizontal feeding), vertical (vertical feeding) and swing (swing feeding around a fulcrum). In addition, there are various special circular sawing machines, such as the oscillating sawing machine used for cutting the pouring risers of large castings; the saw-drilling combined machine tool used for sawing and drilling rails, which provides a transmission device for the sawing machine when driving the saw blade in the sawing machine to rotate.

[0003] The existing device uses a motor or a belt to indirectly or directly drive the saw blade to rotate, and the height of the saw blade can be adjusted.

[0004] However, the existing device is not convenient for the user to assemble the saw blade while achieving lifting, which prolongs the working time and reduces the working efficiency in actual operation. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a transmission device for a sawing machine, which solves the problem that the prior device is inconvenient for users to assemble saw blades while achieving lifting, which prolongs the working time and reduces the working efficiency in actual operation.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a transmission device of a sawing machine, including a shell, a straight cylinder is installed at the bottom of the inner wall of the shell, a straight rod is movably connected to the inner side of the straight cylinder, a bent rod is arranged above the straight rod, the inner sides of the straight rod and the bent rod are fixedly connected with mutually fitting plates, a motor is installed above the bent rod, a saw blade movably connected to a through hole at the top of the shell is installed at the output end of the motor, a positioning mechanism is arranged inside the shell, the positioning mechanism includes a positioning rod, a protrusion and a first bent plate, the top of the positioning rod is fixedly connected to the top of the lower plate, the outer side of the positioning rod is movably connected to the through hole of the upper plate, the outer side of the positioning rod is provided with two protrusions fixed to the front sides of the two plate bodies, and the outer sides of the two protrusions are movably connected to the first bent plate.

[0007] Preferably, a cross bar is fixedly connected to one side of the first bent plate, a square plate is movably connected to the outer side of the cross bar, the back side of the square plate is fixedly connected to the front side of the lower plate body, a spring is movably connected to the outer side of the cross bar, and both ends of the spring are respectively fixedly connected to one side of the square plate and the inner side of the cross bar.

[0008] Preferably, a second bent plate is fixedly connected to the outer side of the straight rod, a screw is threadedly connected to the inner side of the second bent plate, a motor is installed at the bottom of the screw, and the bottom of the motor is fixedly connected to the bottom of the inner wall of the shell.

[0009] Preferably, a handle is installed at one end of the cross bar.

[0010] Preferably, one end of the second bent plate is fixedly connected to an oil tank, a curved pipe is installed on the top of the oil tank, one end of the curved pipe is connected to an annular pipe, an oil pump is installed on the inner side of the curved pipe, and a switch is installed on the outer side of the shell.

[0011] Beneficial Effects

[0012] The utility model provides a transmission device for a sawing machine, which has the following beneficial effects: the transmission device of the sawing machine realizes the rapid disassembly and assembly of the saw blade through the cooperation between the spring, the plate body and the first bent plate, which is convenient for users to repair and maintain the saw blade and other structures, and solves the problem that the existing device is not convenient for users to assemble the saw blade while realizing lifting, which prolongs the working time and reduces the working efficiency in actual operation.

[0013] Through the coordination among the oil tank, curved pipe and oil pump, the lubricating oil is added automatically and evenly without manual operation, thus extending the service life of the saw blade. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 for Figure 1 Schematic diagram of the structure of the oil tank, curved pipe and oil pump;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the middle housing, motor and saw blade;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the middle spring, plate body and first bent plate.

[0018] In the figure: 1, housing, 2, motor, 3, screw, 4, second bent plate, 5, straight cylinder, 6, straight rod, 7, bent rod, 8, motor, 9, saw blade, 10, oil tank, 11, switch, 12, curved pipe, 13, oil pump, 14, annular pipe, 15, cross bar, 16, square plate, 17, spring, 18, plate, 19, positioning rod, 20, bump, 21, first bent plate. DETAILED DESCRIPTION

[0019] 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.

[0020] The existing device is not convenient for the user to assemble the saw blade while achieving lifting, which prolongs the working time and reduces the working efficiency in actual operation.

[0021] In view of this, a transmission device of a sawing machine is provided, which realizes the rapid disassembly and assembly of the saw blade through the cooperation between the spring, the plate body and the first bent plate, so that the user can repair and maintain the saw blade and other structures conveniently, and solves the problem that the existing device is not convenient for the user to assemble the saw blade while realizing lifting and lowering, thereby prolonging the working time and reducing the work efficiency in actual operation.

[0022] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0023] Embodiment 1: Figure 1 , 3 As can be seen from Figure 4, a transmission device of a sawing machine includes a shell 1, a straight cylinder 5 is installed at the bottom of the inner wall of the shell 1, and a straight rod 6 is movably connected to the inner side of the straight cylinder 5. The straight rod 6 can move inside the straight cylinder 5, and a bent rod 7 is arranged above the straight rod 6. The inner sides of the straight rod 6 and the bent rod 7 are fixedly connected with plates 18 that fit each other, and a motor 8 is installed above the bent rod 7. The model of the motor 8 is not limited. A saw blade 9 movably connected to the through hole at the top of the shell 1 is installed at the output end of the motor 8. A positioning mechanism is arranged inside the shell 1, and the positioning mechanism includes a positioning rod 19, a protrusion 20 and a first bent plate 21. The top of the positioning rod 19 is fixedly connected to the top of the lower plate 18, and the outer side of the positioning rod 19 is movably connected to the through hole of the upper plate 18. The positioning rod 19 can limit the upper plate 18, and the outer side of the positioning rod 19 is provided with two protrusions 20 fixed to the front sides of the two plate 18, and the outer sides of the two protrusions 20 are movably connected to the first bent plate 21;

[0024] In the specific implementation process, it is worth pointing out that the first curved plate 21 can limit the two protrusions 20. Through the cooperation between the positioning rod 19, the protrusion 20 and the first curved plate 21, the saw blade 9 can be quickly disassembled and assembled, which is convenient for the user to repair and maintain the saw blade 9 and other structures, and solves the problem that the existing device is not convenient for the user to assemble the saw blade while realizing the lifting, which prolongs the working time and reduces the working efficiency in actual operation.

[0025] Further, a cross bar 15 is fixedly connected to one side of the first bent plate 21, and a square plate 16 is movably connected to the outer side of the cross bar 15. The cross bar 15 can move in the through hole of the square plate 16, and the back of the square plate 16 is fixedly connected to the front of the lower plate body 18. A spring 17 is movably connected to the outer side of the cross bar 15. The device relies on the elastic deformation of the spring 17 to drive the first bent plate 21 to fit the outer sides of the two protrusions 20 for position limiting. The two ends of the spring 17 are respectively fixedly connected to one side of the square plate 16 and the inner side of the cross bar 15;

[0026] In the specific implementation process, it is worth pointing out that the user can pull the cross bar 15 horizontally to drive the first bent plate 21 to separate from the two protrusions 20, and then the user can remove the bent bar 7 upward for replacement, wherein the elastic deformation of the spring 17 can drive the first bent plate 21 to fit the outer sides of the two protrusions 20 for limiting;

[0027] Furthermore, the outer side of the straight rod 6 is fixedly connected with the second bent plate 4, the inner side of the second bent plate 4 is threadedly connected with the screw rod 3, the bottom of the screw rod 3 is installed with a motor 2, the model of the motor 2 is not limited, and the bottom of the motor 2 is fixedly connected to the bottom of the inner wall of the housing 1;

[0028] In the specific implementation process, it is worth pointing out that the motor 2 can drive the screw rod 3 to rotate, and the screw rod 3 can drive the saw blade 9 to move up and down when rotating;

[0029] Furthermore, a handle is installed at one end of the crossbar 15;

[0030] In the specific implementation process, it is worth noting that the handle can facilitate the user to pull the crossbar 15;

[0031] Specifically, when using the transmission device of the sawing machine, the user can pull the handle horizontally, and the cross bar 15 can drive the first bent plate 21 to disengage from the two protrusions 20 during movement, and then the user can remove the bent rod 7 upwards for replacement. The whole process is simple and quick.

[0032] Embodiment 2: By Figure 1-2It can be seen that one end of the second curved plate 4 is fixedly connected to an oil tank 10, a curved pipe 12 is installed on the top of the oil tank 10, one end of the curved pipe 12 is connected to an annular pipe 14, a plurality of nozzles are arranged on the annular pipe 14, and the spraying position corresponds to the saw blade 9, an oil pump 13 is installed on the inner side of the curved pipe 12, and the model of the oil pump 13 is not limited, and a switch 11 is installed on the outer side of the housing 1;

[0033] In the specific implementation process, it is worth pointing out that when the user needs to add lubricating oil, he can press the switch 11, and the switch 11 can control the start and stop of the oil pump 13. The oil pump 13 can suck out the lubricating oil in the oil tank 10 and spray it on the saw blade 9 through multiple nozzles on the annular tube 14 for lubrication;

[0034] Specifically, on the basis of the above-mentioned first embodiment, the automatic and uniform addition of lubricating oil is achieved through the cooperation between the oil tank 10, the curved pipe 12 and the oil pump 13, without the need for manual operation, thereby extending the service life of the saw blade 9.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0036] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transmission device for a sawing machine, comprising a housing (1), characterized in that: A straight cylinder (5) is installed at the bottom of the inner wall of the shell (1), a straight rod (6) is movably connected to the inner side of the straight cylinder (5), a curved rod (7) is arranged above the straight rod (6), the inner sides of the straight rod (6) and the curved rod (7) are fixedly connected to mutually fitting plates (18), a motor (8) is installed above the curved rod (7), a saw blade (9) movably connected to a through hole at the top of the shell (1) is installed at the output end of the motor (8), and a positioning mechanism is arranged inside the shell (1); The positioning mechanism comprises a positioning rod (19), a convex block (20) and a first bent plate (21); The top of the positioning rod (19) is fixedly connected to the top of the lower plate body (18), the outer side of the positioning rod (19) is movably connected to the through hole of the upper plate body (18), and the outer side of the positioning rod (19) is provided with two protrusions (20) fixedly connected to the front sides of the two plate bodies (18), and the outer sides of the two protrusions (20) are movably connected to a first bent plate (21).

2. The transmission device of a sawing machine according to claim 1, characterized in that: A cross bar (15) is fixedly connected to one side of the first bent plate (21); a square plate (16) is movably connected to the outer side of the cross bar (15); the back side of the square plate (16) is fixedly connected to the front side of the lower plate body (18); a spring (17) is movably connected to the outer side of the cross bar (15); two ends of the spring (17) are respectively fixedly connected to one side of the square plate (16) and the inner side of the cross bar (15).

3. The transmission device of a sawing machine according to claim 1, characterized in that: A second bent plate (4) is fixedly connected to the outer side of the straight rod (6), a screw rod (3) is threadedly connected to the inner side of the second bent plate (4), a motor (2) is installed at the bottom of the screw rod (3), and the bottom of the motor (2) is fixedly connected to the bottom of the inner wall of the housing (1).

4. The transmission device of a sawing machine according to claim 2, characterized in that: A handle is installed at one end of the cross bar (15).

5. The transmission device of a sawing machine according to claim 3, characterized in that: One end of the second bent plate (4) is fixedly connected to an oil tank (10), a curved pipe (12) is installed on the top of the oil tank (10), one end of the curved pipe (12) is connected to an annular pipe (14), an oil pump (13) is installed on the inner side of the curved pipe (12), and a switch (11) is installed on the outer side of the housing (1).

Images