Chain saw mechanism applied to mechanical arm

Abstract

The utility model discloses a chain saw mechanism applied to a mechanical arm. The chain saw mechanism comprises an automatic tool changing electric spindle, a connecting base, a transmission mechanism, a lubricating oil supply system and a chain saw. A quick-change chuck is arranged at the output end of the automatic tool changing electric spindle; a first positioning plate is fixed to a shell of the automatic tool changing electric spindle, and a positioning hole is formed in the first positioning plate. The transmission mechanism, the lubricating oil supply system and the chain saw are all mounted on the connecting seat; the lubricating oil supply system is connected with the chain saw; a pin is fixed on the connecting seat, and the automatic tool changing motorized spindle is connected with the connecting seat through the matching of the positioning hole and the pin; a quick-change cutter handle is arranged at the input end of the transmission mechanism, and the automatic cutter-change motorized spindle drives the transmission mechanism through the cooperation of the quick-change chuck and the quick-change cutter handle; the transmission mechanism is used for transmitting the driving force of the automatic tool changing electric spindle to the lubricating oil supply system and the chain saw; the chain saw cutting device can be applied to mechanical production and is matched with a mechanical arm to cut a chain saw, so that the production efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chain saw equipment, in particular to a chain saw mechanism used in conjunction with a mechanical arm. Background Art

[0002] Chainsaw is a common tool used for sawing wood and other materials. Compared with other types of wood cutting tools, chainsaw has the advantages of fast cutting speed, large cutting depth, high efficiency, low cost and small cutting limitations. Therefore, it is widely used in construction, logging, wood cleaning and other occasions.

[0003] However, current chain saws are all hand-held, which not only limits their scope of application, but also poses certain risks when operated manually. In mechanized production, mechanical equipment is needed to complete various tasks in order to improve production efficiency and quality; due to the limitations of hand-held operation, current chain saws cannot be directly applied to mechanized production. Therefore, it is necessary to develop a new type of chain saw that can be used in mechanized production to improve production efficiency and quality while avoiding the risks of manual operation of chain saws. Utility Model Content

[0004] The utility model mainly solves the technical problem that the existing chain saw has the limitation of requiring hand-held operation and thus cannot be directly applied to mechanized production; at the same time, it solves the problem of danger existing in manual operation of the chain saw.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a chain saw mechanism applied to a mechanical arm, used in conjunction with the mechanical arm, the chain saw mechanism comprises: an automatic tool-changing electric spindle, a connecting seat, a transmission mechanism, a lubrication oil supply system and a chain saw;

[0006] The automatic tool-changing electric spindle is installed on the mechanical arm; a quick-change chuck is provided at the output end of the automatic tool-changing electric spindle; a first positioning plate is fixed on the housing of the automatic tool-changing electric spindle near the quick-change chuck, and a positioning hole is opened on the first positioning plate, and the positioning holes are provided in a plurality and are arranged around the quick-change chuck;

[0007] The connecting seat plays a role of bearing and limiting, and the transmission mechanism, the lubricating oil supply system and the chain saw are all installed on the connecting seat; the lubricating oil supply system is connected to the chain saw and is used to provide lubricating oil to the chain saw;

[0008] A pin matching the positioning hole is fixed on the connecting seat, and the automatic tool changing electric spindle is connected to the connecting seat through the cooperation of the positioning hole and the pin;

[0009] The input end of the transmission mechanism is provided with a quick-change tool handle matching the quick-change chuck, and the automatic tool-changing electric spindle drives the transmission mechanism through the cooperation of the quick-change chuck and the quick-change tool handle; the output end of the transmission mechanism is respectively connected to the lubrication oil supply system and the chain saw, and the transmission mechanism is used to transmit the driving force of the automatic tool-changing electric spindle to the lubrication oil supply system and the chain saw.

[0010] As an improved solution, the connecting seat includes a second positioning plate, a bottom plate and a plurality of connecting columns, and the two ends of the plurality of connecting columns are respectively fixed to the second positioning plate and the bottom plate;

[0011] The pin is fixed on a side of the second positioning plate away from the connecting column, and both the first positioning plate and the second positioning plate are provided with a through hole for avoiding the quick-change chuck;

[0012] The transmission mechanism, the lubrication oil supply system and the chain saw are all mounted on the bottom plate.

[0013] As an improved solution, the transmission mechanism is a gear transmission mechanism; the gear transmission mechanism comprises a primary gear transmission assembly, a secondary gear transmission assembly and a tertiary gear transmission assembly which are sequentially connected in transmission; the primary gear transmission assembly is connected to the quick-change tool handle, the secondary gear transmission assembly is connected to the chain saw, and the tertiary gear transmission assembly is connected to the lubrication oil supply system;

[0014] The first-stage gear transmission assembly includes a transmission shaft and a driving gear, the second-stage gear transmission assembly includes a first output shaft, a first driven gear, a second driven gear and a chain gear, and the third-stage gear transmission assembly includes a second output shaft and a third driven gear;

[0015] The transmission shaft, the first output shaft and the second output shaft are all rotatably mounted on the base plate through bearings, and the axes of the transmission shaft, the first output shaft and the second output shaft are arranged in parallel;

[0016] The quick-change tool handle is fixed on the top of the transmission shaft, and the quick-change tool handle is coaxially arranged with the transmission shaft, and the driving gear is sleeved on the transmission shaft;

[0017] The second passive gear, the first passive gear and the chain gear are sequentially sleeved on the first output shaft, and the first passive gear is meshed with the driving gear; the chain gear is transmission-connected with the chain saw;

[0018] The third passive gear is sleeved on the second output shaft, and the third passive gear is meshed with the second passive gear; the second output shaft is connected to the lubrication oil supply system.

[0019] As an improved solution, the lubricating oil supply system includes an oil tank, an oil pipeline and an oil pump; one end of the oil pipeline is connected to the oil tank, and the other end of the oil pipeline is connected to an oil nozzle, and the oil nozzle is connected to the chain saw; the oil pump is connected to the oil pipeline, and the oil pump is connected to an oil pump turbine, the second output shaft is connected to the oil pump turbine, and the second output shaft is used to drive the oil pump turbine to operate; the oil tank is filled with lubricating oil, and the oil pump is used to transport the lubricating oil from the oil tank to the oil nozzle along the oil pipeline. In order to control the oil delivery amount, a solenoid valve is provided on the oil pipeline, and the solenoid valve is used to control the flow rate of the lubricating oil in the oil pipeline. In order to protect the lubricating oil supply system, an oil pump protective shell is fixed on the bottom plate, and the oil pump protective shell covers the oil pump and the oil pump turbine.

[0020] As an improved solution, the chainsaw includes a chainsaw pressure plate, a locking nut, a tensioning screw, a chainsaw guide plate and a chain wrapped around the outer circumference of the chainsaw guide plate. The chainsaw guide plate is installed on the lower surface of the base plate through the chainsaw pressure plate, the locking nut and the tensioning screw, and the chain gear is engaged with the chain; a guide plate slot is provided on the chainsaw guide plate, and the oil nozzle is arranged corresponding to the guide plate slot.

[0021] The beneficial effects of the utility model are as follows: the utility model enables the chain saw to be directly installed on the automatic tool-changing electric spindle connected to the mechanical arm, accurately runs to the specified position through the displacement of the mechanical arm, and drives the chain saw to operate and cut through the signal of the automatic tool-changing electric spindle and controls the oil supply of the driving lubrication oil supply system, thereby improving the convenience of use, improving the processing efficiency and the cutting stability and accuracy, and reducing the danger of workers using the chain saw. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a three-dimensional structural schematic diagram of a preferred embodiment of a chain saw mechanism applied to a mechanical arm of the utility model;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of a chain saw mechanism applied to a mechanical arm of the utility model when the automatic tool-changing electric spindle is removed;

[0024] Figure 3 It is a three-dimensional structural schematic diagram of an automatic tool-changing electric spindle in a chain saw mechanism of a mechanical arm of the utility model;

[0025] Figure 4 It is a three-dimensional structural schematic diagram of a connecting seat in a chain saw mechanism used in a mechanical arm of the utility model;

[0026] Figure 5 It is a three-dimensional structural schematic diagram of a transmission mechanism in a chain saw mechanism applied to a mechanical arm of the utility model;

[0027] Figure 6 It is a three-dimensional structural schematic diagram of a lubricating oil supply system in a chain saw mechanism used in a mechanical arm of the utility model;

[0028] The components in the attached drawings are marked as follows: 1. Automatic tool-changing electric spindle; 2. Connecting seat; 3. Transmission mechanism; 4. Lubricating oil supply system; 5. Chain saw;

[0029] 11. Quick-change chuck; 12. First positioning plate;

[0030] 21. second positioning plate; 22. pin; 23. connecting column; 24. bottom plate;

[0031] 31. Quick-change tool holder; 32. Transmission shaft; 33. Driving gear; 34. First passive gear; 35. First output shaft; 36. Chain gear; 37. Second passive gear; 38. Third passive gear; 39. Oil pump turbine;

[0032] 41 oil tank; 42 oil pipeline; 43 oil pump; 44 oil nozzle; 45 oil pump protective shell;

[0033] 51. Chain saw guide bar; 52. Chain saw pressure plate; 53. Locking nut; 54. Tensioning screw. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0035] In the description of the present invention, it should be understood that the terms "on", "one side", "two ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", and "third" may explicitly or implicitly include at least one of the features.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "installation", "installation", "connection", "fixation" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] See also Figure 1-6 , the utility model embodiment includes:

[0039] A chain saw mechanism applied to a mechanical arm, used in conjunction with the mechanical arm, an automatic tool-changing electric spindle 1 drives a lubricating oil supply system 4 and a chain saw 5 respectively through a transmission mechanism 3; it can be directly applied to mechanized production, which not only improves processing efficiency and cutting stability and accuracy, but also reduces the danger of manually using a chain saw; the chain saw mechanism comprises: an automatic tool-changing electric spindle 1, a connecting seat 2, a transmission mechanism 3, a lubricating oil supply system 4 and a chain saw 5;

[0040] The automatic tool-changing electric spindle 1 is installed on the robot arm; a quick-change chuck 11 is provided at the output end of the automatic tool-changing electric spindle 1; a first positioning plate 12 is fixed on the housing of the automatic tool-changing electric spindle 1 near the quick-change chuck 11, and a plurality of positioning holes are provided on the first positioning plate 12, which are arranged around the quick-change chuck 11;

[0041] The connecting seat 2 plays a role of bearing and limiting, and the transmission mechanism 3, the lubricating oil supply system 4 and the chain saw 5 are all installed on the connecting seat 2; the lubricating oil supply system 4 is connected to the chain saw 5 to provide lubricating oil to the chain saw 5;

[0042] A pin 22 matching the positioning hole is fixed on the connection seat 2, and the automatic tool-changing electric spindle 1 is connected to the connection seat 2 through the cooperation of the positioning hole and the pin 22, and can be directional, stable and reliable connected, limiting the chain saw 5 from rotating around the automatic tool-changing electric spindle 1 when working;

[0043] The input end of the transmission mechanism 3 is provided with a quick-change tool handle 31 that matches the quick-change chuck 11, and the quick-change chuck 11 is used to grab the quick-change tool handle 31. The automatic tool-changing electric spindle 1 drives the transmission mechanism 3 through the cooperation of the quick-change chuck 11 and the quick-change tool handle 31; the output end of the transmission mechanism 3 is respectively connected to the lubrication oil supply system 4 and the chain saw 5, and the transmission mechanism 3 is used to transmit the driving force of the automatic tool-changing electric spindle 1 to the lubrication oil supply system 4 and the chain saw 5.

[0044] Furthermore, the connection seat 2 includes a second positioning plate 21, a bottom plate 24 and a plurality of connection columns 23, and the upper and lower ends of the plurality of connection columns 23 are respectively fixed to the second positioning plate 21 and the bottom plate 24;

[0045] The pin 22 is fixed on a side of the second positioning plate 21 away from the connecting column 23, and the first positioning plate 12 and the second positioning plate 21 are both provided with through holes for avoiding the quick-change chuck 11;

[0046] The transmission mechanism 3 , the lubrication oil supply system 4 and the chain saw 5 are all mounted on the base plate 24 .

[0047] Further, the transmission mechanism 3 is a gear transmission mechanism; the gear transmission mechanism includes a primary gear transmission assembly, a secondary gear transmission assembly and a tertiary gear transmission assembly which are sequentially connected in transmission; the primary gear transmission assembly is connected to the quick-change tool handle 31, the secondary gear transmission assembly is connected to the chain saw 5, and the tertiary gear transmission assembly is connected to the lubrication oil supply system 4;

[0048] The first-stage gear transmission assembly includes a transmission shaft 32 and a driving gear 33, the second-stage gear transmission assembly includes a first output shaft 35, a first driven gear 34, a second driven gear 37 and a chain gear 36, and the third-stage gear transmission assembly includes a second output shaft and a third driven gear 38;

[0049] The transmission shaft 32, the first output shaft 35 and the second output shaft are all rotatably mounted on the base plate 24 via bearings, and the axes of the transmission shaft 32, the first output shaft 35 and the second output shaft are arranged in parallel;

[0050] The quick-change tool handle 31 is fixed at the top of the transmission shaft 32, and the quick-change tool handle 31 is coaxially arranged with the transmission shaft 32, and the driving gear 33 is sleeved on the transmission shaft 32; the automatic tool-changing electric spindle 1 provides power to the driving gear 33 through the quick-change tool handle 31;

[0051] The second passive gear 37, the first passive gear 34 and the chain gear 36 are sequentially sleeved on the first output shaft 35, and the first passive gear 34 is meshed with the active gear 33; the chain gear 36 is transmission-connected with the chain saw 5; the active gear 33 drives the second passive gear 37 and the chain gear 36 to rotate through the first passive gear 34;

[0052] The third passive gear 38 is sleeved on the second output shaft, and the third passive gear 38 is meshed with the second passive gear 37; the second output shaft is connected to the lubricating oil supply system 4; the second passive gear 37 drives the second output shaft to rotate through the third passive gear 38, thereby driving the lubricating oil supply system 4.

[0053] Furthermore, the lubricating oil supply system 4 includes an oil tank 41, an oil delivery pipe 42 and an oil pump 43; one end of the oil delivery pipe 42 is connected to the oil tank 41, and the other end of the oil delivery pipe 42 is connected to an oil nozzle 44, and the oil nozzle 44 is set corresponding to the chain saw 5; the oil pump 43 is connected to the oil delivery pipe 42, and the oil pump 43 is connected to the oil pump turbine 39, and the second output shaft is connected to the oil pump turbine 39, and the second output shaft is used to drive the oil pump turbine 39 to operate; the oil tank 41 is filled with lubricating oil, and the oil pump 43 is used to transport the lubricating oil from the oil tank 41 to the oil nozzle 44 along the oil delivery pipe 42. In order to control the oil delivery amount, a solenoid valve is provided on the oil delivery pipe 42, and the solenoid valve is used to control the flow of lubricating oil in the oil delivery pipe 42. It should be noted that how to control the flow of lubricating oil by a solenoid valve belongs to conventional technical means in the field, and those skilled in the art can select a suitable control method according to the actual application scenario. In order to protect the lubricating oil supply system 4 , an oil pump protection shell 45 is fixed on the bottom plate 24 , and the oil pump protection shell 45 covers the oil pump 43 and the oil pump turbine 39 .

[0054] Furthermore, the chain saw 5 includes a chain saw pressure plate 52, a locking nut 53, a tensioning screw 54, a chain saw guide plate 51 and a chain wound around the outer circumference of the chain saw guide plate 51. The chain saw guide plate 51 is installed on the lower surface of the base plate 24 through the chain saw pressure plate 52, the locking nut 53 and the tensioning screw 54. The chain gear 36 is engaged with the chain, and the chain gear 36 drives the chain to run quickly. A guide plate slot is provided on the chain saw guide plate 51, and the oil nozzle 44 is arranged corresponding to the guide plate slot to provide a steady supply of lubricating oil to the chain and the chain saw guide plate 51.

[0055] In the actual application scenario of the utility model, the transmission mechanism 3, the lubrication oil supply system 4, the chain guide plate, the chain, the quick-change tool handle 31 and the like are first assembled, the automatic tool-changing electric spindle 1 grabs the quick-change tool handle 31 through the quick-change chuck 11, the clamping mechanism inside the automatic tool-changing electric spindle 1 locks the quick-change tool handle 31 and provides power, the pin 22 on the connecting seat 2 and the positioning hole on the first positioning plate 12 are precisely matched to limit the rotation of the chain saw 5, so that the automatic tool-changing electric spindle 1 and the chain saw 5 form a stable whole, the automatic tool-changing electric spindle 1 outputs power through the tool handle, and transmits the power to the chain gear 36 through the transmission mechanism 3, driving the chain to run quickly; at the same time, the power is transmitted to the oil pump 43, and the lubricating oil is transported to the guide plate slot position through the oil pipe 42, providing lubrication and heat dissipation for the chain, thereby improving the cutting stability of the chain saw 5.

[0056] The utility model enables the chain saw 5 to be directly installed on the automatic tool-changing electric spindle 1 connected to the mechanical arm, and accurately moves to the specified position through the displacement of the mechanical arm, and drives the chain saw 5 to operate and cut through the signal of the automatic tool-changing electric spindle 1, and controls the oil supply of the lubricating oil supply system 4, thereby improving the convenience of use, improving the processing efficiency and cutting stability and accuracy, and reducing the danger of workers using the chain saw.

[0057] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure made using the contents of the specification and drawings of the present invention, or directly or indirectly used in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A chain saw mechanism applied to a mechanical arm, used in conjunction with the mechanical arm, characterized in that: The chain saw mechanism comprises: an automatic tool-changing electric spindle (1), a connecting seat (2), a transmission mechanism (3), a lubrication oil supply system (4) and a chain saw (5); The automatic tool-changing electric spindle (1) is mounted on the mechanical arm; a quick-change chuck (11) is provided at the output end of the automatic tool-changing electric spindle (1); a first positioning plate (12) is fixed on the outer shell of the automatic tool-changing electric spindle (1) at a position close to the quick-change chuck (11), and a positioning hole is provided on the first positioning plate (12); The transmission mechanism (3), the lubricating oil supply system (4) and the chain saw (5) are all mounted on the connecting seat (2); the lubricating oil supply system (4) is connected to the chain saw (5), and the lubricating oil supply system (4) is used to supply lubricating oil to the chain saw (5); A pin (22) matching the positioning hole is fixed on the connection seat (2), and the automatic tool-changing electric spindle (1) is connected to the connection seat (2) through the cooperation between the positioning hole and the pin (22); The input end of the transmission mechanism (3) is provided with a quick-change tool holder (31) matching the quick-change chuck (11), and the automatic tool-changing electric spindle (1) drives the transmission mechanism (3) through the cooperation between the quick-change chuck (11) and the quick-change tool holder (31); the output end of the transmission mechanism (3) is connected to the lubricating oil supply system (4) and the chain saw (5), respectively, and the transmission mechanism (3) is used to transmit the driving force of the automatic tool-changing electric spindle (1) to the lubricating oil supply system (4) and the chain saw (5).

2. A chain saw mechanism applied to a robot arm according to claim 1, characterized in that: The connecting seat (2) comprises a second positioning plate (21), a bottom plate (24) and a plurality of connecting columns (23), and two ends of the plurality of connecting columns (23) are respectively fixed to the second positioning plate (21) and the bottom plate (24); The pin (22) is fixed to a side of the second positioning plate (21) away from the connecting column (23), and both the first positioning plate (12) and the second positioning plate (21) are provided with through holes for avoiding the quick-change chuck (11); The transmission mechanism (3), the lubrication oil supply system (4) and the chain saw (5) are all mounted on the base plate (24).

3. A chain saw mechanism applied to a robot arm according to claim 2, characterized in that: The transmission mechanism (3) is a gear transmission mechanism.

4. The chain saw mechanism applied to a mechanical arm according to claim 3, characterized in that: The gear transmission mechanism comprises a primary gear transmission assembly, a secondary gear transmission assembly and a tertiary gear transmission assembly which are sequentially connected in transmission; the primary gear transmission assembly is connected to the quick-change tool handle (31), the secondary gear transmission assembly is connected to the chain saw (5), and the tertiary gear transmission assembly is connected to the lubrication oil supply system (4).

5. A chain saw mechanism applied to a robot arm according to claim 4, characterized in that: The first-stage gear transmission assembly comprises a transmission shaft (32) and a driving gear (33), the second-stage gear transmission assembly comprises a first output shaft (35), a first driven gear (34), a second driven gear (37) and a chain gear (36), and the third-stage gear transmission assembly comprises a second output shaft and a third driven gear (38); The transmission shaft (32), the first output shaft (35) and the second output shaft are all rotatably mounted on the base plate (24) via bearings; The quick-change tool handle (31) is fixed to the top end of the transmission shaft (32), and the quick-change tool handle (31) and the transmission shaft (32) are coaxially arranged, and the driving gear (33) is sleeved on the transmission shaft (32); The second passive gear (37), the first passive gear (34) and the chain gear (36) are sequentially sleeved on the first output shaft (35), and the first passive gear (34) is meshed with the driving gear (33); the chain gear (36) is transmission-connected to the chain saw (5); The third passive gear (38) is sleeved on the second output shaft, and the third passive gear (38) is meshed with the second passive gear (37); the second output shaft is connected to the lubrication oil supply system (4).

6. The chain saw mechanism applied to a robot arm according to claim 5, characterized in that: The axes of the transmission shaft (32), the first output shaft (35) and the second output shaft are arranged in parallel.

7. The chain saw mechanism applied to a robot arm according to claim 5, characterized in that: The lubricating oil supply system (4) comprises an oil tank (41), an oil delivery pipe (42) and an oil pump (43); one end of the oil delivery pipe (42) is in communication with the oil tank (41), and the other end of the oil delivery pipe (42) is connected to an oil nozzle (44), and the oil nozzle (44) is arranged corresponding to the chain saw (5); the oil pump (43) is connected to the oil delivery pipe (42), and the oil pump (43) is connected to an oil pump turbine (39), and the second output shaft is connected to the oil pump turbine (39), and the second output shaft is used to drive the oil pump turbine (39) to operate; the oil tank (41) is filled with lubricating oil, and the oil pump (43) is used to transport the lubricating oil from the oil tank (41) to the oil nozzle (44) along the oil delivery pipe (42).

8. The chain saw mechanism applied to a mechanical arm according to claim 7, characterized in that: The oil delivery pipe is provided with a solenoid valve, and the solenoid valve is used to control the flow rate of lubricating oil in the oil delivery pipe (42).

9. The chain saw mechanism applied to a mechanical arm according to claim 7, characterized in that: The chain saw (5) comprises a chain saw guide plate (51) and a chain wound around the outer periphery of the chain saw guide plate (51); the chain saw guide plate (51) is mounted on the lower surface of the bottom plate (24); and the chain gear (36) is meshed with the chain.

10. The chain saw mechanism applied to a mechanical arm according to claim 9, characterized in that: The chain saw guide plate (51) is provided with a guide plate slot, and the oil nozzle (44) is arranged corresponding to the guide plate slot.

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