CN108381256B - High-efficient tool changing equipment of digit control machine tool - Google Patents
High-efficient tool changing equipment of digit control machine tool Download PDFInfo
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- CN108381256B CN108381256B CN201810431596.9A CN201810431596A CN108381256B CN 108381256 B CN108381256 B CN 108381256B CN 201810431596 A CN201810431596 A CN 201810431596A CN 108381256 B CN108381256 B CN 108381256B
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- transmission mechanism
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- tool changing
- manipulator
- changing transmission
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- 230000005540 biological transmission Effects 0.000 claims abstract description 170
- 230000007246 mechanism Effects 0.000 claims abstract description 129
- 239000003921 oil Substances 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 9
- 229910000906 Bronze Inorganic materials 0.000 claims description 7
- 239000010974 bronze Substances 0.000 claims description 7
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/121—Arrangements for cooling or lubricating parts of the machine with lubricating effect for reducing friction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention discloses a high-efficiency tool changing device of a numerical control machine tool, which comprises: the machine tool comprises a machine tool main body, a tool rest, a manipulator support, a manipulator drive shaft supporting platform, a manipulator drive shaft, a manipulator, a high-efficiency tool changing transmission mechanism and a cutter disc, wherein a plurality of tools are arranged on the cutter disc; the mechanical arm can take the knife from the knife disc and convey the taken knife to the knife rest; the tool changing transmission mechanism further comprises: a cutter changing transmission mechanism shell; the worm wheel is arranged in the shell of the tool changing transmission mechanism and driven by the power device; a worm driven by the worm wheel; one end of the worm is erected on the cutter changing transmission mechanism shell through a connecting rod, and one end of the connecting rod is erected in an opening of the cutter changing transmission mechanism shell through a first bearing seat; the plug is arranged in the opening of the shell of the tool changing transmission mechanism; the oil groove is formed in the inner side of the plug; and the oiling mask is arranged at the outer side of the cutter changing transmission mechanism shell. The high-efficiency tool changing device can realize high-efficiency tool changing.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to efficient tool changing equipment of a numerical control machine tool.
Background
Along with the rapid development of numerical control technology, industrial production is gradually changed into an intelligent and automatic direction. Compared with the traditional manual tool changing mode, the traditional manual tool changing mode has the defect of lower efficiency and lower precision. The processing of a single part can be completed through a plurality of working procedures, and a single-function numerical control machine tool can only perform single-procedure processing. Therefore, a lot of time is consumed for changing the tool [1] at the time of machining the parts. If it is desired to shorten the non-machining time, it is necessary to innovate the automatic tool changer. Along with the rapid development of science and technology, various enterprises are improving production efficiency, reducing production cost and improving the competitiveness of products. Under the background, more economic automatic tool changing devices need to be designed and manufactured, so that the labor productivity can be further improved, and the production cost is reduced. Although the numerical control equipment in China is advanced at present, the processing center with the tool changing device used by many large enterprises has a large general structure and high cost, and the large enterprises cannot bear the expense of purchasing high equipment. Therefore, many small enterprises still adopt a manual tool changing working mode at present, and the production efficiency is too low.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide high-efficiency tool changing equipment of a numerical control machine tool, so that the defects of the prior art are overcome.
In order to achieve the above object, the present invention provides a high-efficiency tool changing device of a numerical control machine tool, comprising: a machine tool main body; the tool rest is arranged on the machine tool main body; the manipulator support is arranged on the machine tool main body; the manipulator driving shaft supporting platform is arranged on the manipulator bracket; the manipulator driving shaft is erected on the manipulator driving shaft supporting platform; the manipulator is sleeved at one end of a manipulator driving shaft, and the manipulator driving shaft supplies power for the manipulator; the high-efficiency tool changing transmission mechanism is arranged on the machine tool main body, wherein the manipulator is positioned between the tool rest and the high-efficiency tool changing transmission mechanism; the cutter head is connected with the high-efficiency cutter changing transmission mechanism through a cutter head transmission shaft, and a plurality of cutters are arranged on the cutter head; the manipulator can take the knife from the knife disc and convey the taken knife to the knife rest. The tool changing transmission mechanism comprises: a cutter changing transmission mechanism shell; the worm wheel is arranged in the shell of the tool changing transmission mechanism and driven by the power device; a worm driven by the worm wheel; one end of the worm is erected on the cutter changing transmission mechanism shell through a connecting rod, and one end of the connecting rod is erected in an opening of the cutter changing transmission mechanism shell through a first bearing seat; the blocking is arranged in an opening of the shell of the tool changing transmission mechanism; the oil groove is formed in the inner side of the plug; the oil filler cover is arranged on the outer side of the shell of the tool changing transmission mechanism and is used for blocking the oil filler on the plug.
Preferably, in the above technical solution, the tool changing transmission mechanism further includes: the transmission shaft is connected with the worm, and the rotation of the transmission shaft is powered by the worm; a coupling; the cutter head driving shaft is connected with the transmission shaft through a coupler; and the emergency braking device is sleeved on the cutter disc driving shaft.
Preferably, in the above technical scheme, the cutter changing transmission mechanism housing includes a transmission shaft accommodating groove, and the transmission shaft is disposed in the transmission shaft accommodating groove, wherein the cutter changing transmission mechanism further includes: the bronze sleeve is arranged at one end of the transmission shaft accommodating groove, and is contacted with the transmission shaft accommodating groove and sleeved outside the transmission shaft; the wear-resistant bushing is arranged at the other end of the transmission shaft accommodating groove and extends into the transmission shaft accommodating groove; and the wear-resistant lining jacking block is connected with the shell of the tool changing transmission mechanism through a locking bolt and is used for maintaining the position of the wear-resistant lining.
Preferably, in the above technical solution, the wear-resistant bushing has a protruding portion thereon, the protruding portion being in contact with the transmission shaft.
Preferably, in the above technical solution, the tool changing transmission mechanism further includes: the second bearing seat is arranged at one end in the wear-resistant bushing, is contacted with the wear-resistant bushing and is sleeved on the outer side of the transmission shaft.
Preferably, in the above technical scheme, a plurality of threaded holes are formed in the worm wheel, and the tool changing transmission mechanism further comprises: and the rib plate is fixed on the worm wheel through the threaded hole.
Preferably, in the above technical solution, the worm wheel is provided with a lubricant outlet.
Compared with the prior art, the efficient tool changing device of the numerical control machine tool has the following beneficial effects: according to the efficient tool changing device, the oil groove is additionally formed in the direction of the connecting rod towards the opening of the shell of the tool changing transmission mechanism, lubricating oil can be added into the oil groove before starting, the opening is plugged by using the oil filling mask, when the transmission mechanism starts to work, the worm drives the connecting rod to rotate together, and the lubricating oil in the oil groove flows into the tool changing transmission mechanism along the connecting rod along with the rotation of the connecting rod, so that the lubricating effect of the connecting rod part is improved, and the abrasion of the connecting rod is reduced. A chip groove is further formed between the connecting rod and the cutter changing transmission mechanism shell, chips generated in the abrasion process of the connecting rod flow into the chip groove through scouring of lubricating oil, and excessive abrasion of the connecting rod caused by the fact that the chips are attached to the connecting rod is prevented. The emergency braking device can be a common brake, and can stop the rotation of the cutterhead driving shaft in a braking mode when the cutter changing driving mechanism is abnormal in operation (such as too high in operation speed, or unstable in operation speed, or too slow in operation speed) and a worker does not stop the machine in time, so that danger is prevented, and meanwhile damage to the driving mechanism is prevented. In general, the transmission housing may be an aluminum alloy housing, a cast iron housing, and the drive shaft is typically a high quality low carbon steel, i.e., the drive shaft is typically harder than the housing, which is very susceptible to wear if the drive shaft is in direct contact with the housing. In this embodiment, the contact of the transmission shaft of the transmission mechanism with the housing is designed with a plurality of wear-resistant sleeves, including bronze sleeves and wear-resistant bushings, to prevent the transmission shaft from contacting the housing or other parts with lower hardness, and to prevent the transmission shaft from contacting other parts with higher hardness, thereby increasing the service lives of the transmission shaft and other non-wear-resistant materials. Generally, when the transmission mechanism runs, the worm wheel can generate some vibration during rotation, so that the engagement of the worm wheel and the worm is inaccurate, excessive abrasion of the worm wheel and the worm is caused, the phenomenon is more obvious during high-speed running of the worm wheel, obvious contradiction is generated because the rotation speed of the worm wheel has to be increased in order to realize high-efficiency tool changing, and in order to solve the problem, the rib plate is additionally arranged on the worm wheel, and has a certain weight, so that the gravity center of the worm wheel moves forwards, the front and back swing of the worm wheel in the rotation process is prevented, and the abrasion between the worm wheel and the worm is reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a schematic layout view of a high-efficiency tool changing apparatus of a numerical control machine according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of a tool changing transmission mechanism according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Fig. 1 is a schematic layout view of a high-efficiency tool changing apparatus of a numerical control machine according to an embodiment of the present invention; fig. 2 is a schematic structural view of a tool changing transmission mechanism according to an embodiment of the present invention.
Example 1
The tool changing device includes: a machine tool main body 101; a tool rest 102, the tool rest 102 being provided on the machine tool body; a robot arm support 103, the robot arm support 103 being provided on the machine tool main body 101; a robot drive shaft support platform 104 mounted on the robot support; a robot drive shaft 105 mounted on the robot drive shaft support platform; a manipulator (a tool taking position 108a, a vertical position 108b and a tool changing position 108c of the manipulator are respectively shown in fig. 1), the manipulator is sleeved at one end of a manipulator driving shaft, and the manipulator driving shaft is used for driving the manipulator to carry out power; the high-efficiency tool changing transmission mechanism 106, the high-efficiency tool changing transmission mechanism 106 is arranged on the machine tool main body, wherein the manipulator is positioned between the tool rest 102 and the high-efficiency tool changing transmission mechanism 106; the cutter disc 107 is connected with the high-efficiency cutter changing transmission mechanism through a cutter disc transmission shaft, and a plurality of cutters are arranged on the cutter disc; the manipulator can take the knife from the knife disc and convey the taken knife to the knife rest. The tool changing transmission mechanism comprises: a tool change transmission mechanism housing 201; a worm wheel 202, the worm wheel 202 is arranged in the cutter changing transmission mechanism shell 201, and the worm wheel is driven by a power device; a worm 203, the worm 203 being driven by the worm wheel 202; one end of the worm 203 is erected on the cutter changing transmission mechanism shell through a connecting rod 204, and one end of the connecting rod is erected in an opening of the cutter changing transmission mechanism shell through a first bearing seat; the plug 205 is arranged in the opening of the shell of the tool changing transmission mechanism; the oil groove 206 is formed in the inner side of the plug; and the oiling mouth cover 207 is arranged at the outer side of the shell of the tool changing transmission mechanism and is used for blocking the oiling mouth on the plug.
In this embodiment, the oil groove has been established to the orientation of connecting rod towards tool changing drive mechanism shell open-ended orientation, before starting, can add lubricating oil to the oil groove, uses the gauze mask to block the opening simultaneously, and when drive mechanism began to work, the worm will drive the connecting rod and rotate together, and lubricating oil in the oil groove will flow into inside the tool changing drive mechanism along the connecting rod along with the rotation of connecting rod, has improved the lubrication effect at connecting rod position through this kind of mode, has reduced the wearing and tearing of connecting rod. A chip groove is further formed between the connecting rod and the cutter changing transmission mechanism shell, chips generated in the abrasion process of the connecting rod flow into the chip groove through scouring of lubricating oil, and excessive abrasion of the connecting rod caused by the fact that the chips are attached to the connecting rod is prevented.
Example 2
The tool changing device includes: a machine tool main body 101; a tool rest 102, the tool rest 102 being provided on the machine tool body; a robot arm support 103, the robot arm support 103 being provided on the machine tool main body 101; a robot drive shaft support platform 104 mounted on the robot support; a robot drive shaft 105 mounted on the robot drive shaft support platform; a manipulator (a tool taking position 108a, a vertical position 108b and a tool changing position 108c of the manipulator are respectively shown in fig. 1), the manipulator is sleeved at one end of a manipulator driving shaft, and the manipulator driving shaft is used for driving the manipulator to carry out power; the high-efficiency tool changing transmission mechanism 106, the high-efficiency tool changing transmission mechanism 106 is arranged on the machine tool main body, wherein the manipulator is positioned between the tool rest 102 and the high-efficiency tool changing transmission mechanism 106; the cutter disc 107 is connected with the high-efficiency cutter changing transmission mechanism through a cutter disc transmission shaft, and a plurality of cutters are arranged on the cutter disc; the manipulator can take the knife from the knife disc and convey the taken knife to the knife rest. The tool changing transmission mechanism comprises: a tool change transmission mechanism housing 201; a worm wheel 202, the worm wheel 202 is arranged in the cutter changing transmission mechanism shell 201, and the worm wheel is driven by a power device; a worm 203, the worm 203 being driven by the worm wheel 202; one end of the worm 203 is erected on the cutter changing transmission mechanism shell through a connecting rod 204, and one end of the connecting rod is erected in an opening of the cutter changing transmission mechanism shell through a first bearing seat; the plug 205 is arranged in the opening of the shell of the tool changing transmission mechanism; the oil groove 206 is formed in the inner side of the plug; and the oiling mouth cover 207 is arranged at the outer side of the shell of the tool changing transmission mechanism and is used for blocking the oiling mouth on the plug. The tool changing transmission mechanism further comprises: a drive shaft 208, the drive shaft 208 being connected to the worm 203, and rotation of the drive shaft being powered by the worm; a coupling 211; the cutterhead driving shaft 209 is connected with the transmission shaft through a coupler; an emergency brake 210 is sleeved on the cutterhead driving shaft. The drive shaft is connected to the coupling by means of a key 223.
The emergency braking device can be a common brake, and can stop the rotation of the cutterhead driving shaft in a braking mode when the cutter changing driving mechanism is abnormal in operation (such as too high in operation speed, or unstable in operation speed, or too slow in operation speed) and a worker does not stop the machine in time, so that danger is prevented, and meanwhile damage to the driving mechanism is prevented.
Example 3
The tool changing device includes: a machine tool main body 101; a tool rest 102, the tool rest 102 being provided on the machine tool body; a robot arm support 103, the robot arm support 103 being provided on the machine tool main body 101; a robot drive shaft support platform 104 mounted on the robot support; a robot drive shaft 105 mounted on the robot drive shaft support platform; a manipulator (a tool taking position 108a, a vertical position 108b and a tool changing position 108c of the manipulator are respectively shown in fig. 1), the manipulator is sleeved at one end of a manipulator driving shaft, and the manipulator driving shaft is used for driving the manipulator to carry out power; the high-efficiency tool changing transmission mechanism 106, the high-efficiency tool changing transmission mechanism 106 is arranged on the machine tool main body, wherein the manipulator is positioned between the tool rest 102 and the high-efficiency tool changing transmission mechanism 106; the cutter disc 107 is connected with the high-efficiency cutter changing transmission mechanism through a cutter disc transmission shaft, and a plurality of cutters are arranged on the cutter disc; the manipulator can take the knife from the knife disc and convey the taken knife to the knife rest. The tool changing transmission mechanism comprises: a tool change transmission mechanism housing 201; a worm wheel 202, the worm wheel 202 is arranged in the cutter changing transmission mechanism shell 201, and the worm wheel is driven by a power device; a worm 203, the worm 203 being driven by the worm wheel 202; one end of the worm 203 is erected on the cutter changing transmission mechanism shell through a connecting rod 204, and one end of the connecting rod is erected in an opening of the cutter changing transmission mechanism shell through a first bearing seat; the plug 205 is arranged in the opening of the shell of the tool changing transmission mechanism; the oil groove 206 is formed in the inner side of the plug; and the oiling mouth cover 207 is arranged at the outer side of the shell of the tool changing transmission mechanism and is used for blocking the oiling mouth on the plug. The tool changing transmission mechanism housing comprises a transmission shaft accommodating groove 212, and a transmission shaft is arranged in the transmission shaft accommodating groove, wherein the tool changing transmission mechanism further comprises: the bronze sleeve 213 is arranged at one end of the transmission shaft accommodating groove, the bronze sleeve is contacted with the transmission shaft accommodating groove, and the bronze sleeve is sleeved outside the transmission shaft; the wear-resistant bushing 214 is arranged at the other end of the transmission shaft accommodating groove, and the wear-resistant bushing 214 extends into the transmission shaft accommodating groove; and the wear-resistant lining jacking block 215, wherein the wear-resistant lining jacking block 215 is connected with the shell of the tool changing transmission mechanism through a locking bolt 216, and the wear-resistant lining jacking block is used for maintaining the position of the wear-resistant lining. The wear bushing has a projection 217 thereon which contacts the drive shaft.
In general, the transmission housing may be an aluminum alloy housing, a cast iron housing, and the drive shaft is typically a high quality low carbon steel, i.e., the drive shaft is typically harder than the housing, which is very susceptible to wear if the drive shaft is in direct contact with the housing. In this embodiment, the contact of the transmission shaft of the transmission mechanism with the housing is designed with a plurality of wear-resistant sleeves, including bronze sleeves and wear-resistant bushings, to prevent the transmission shaft from contacting the housing or other parts with lower hardness, and to prevent the transmission shaft from contacting other parts with higher hardness, thereby increasing the service lives of the transmission shaft and other non-wear-resistant materials.
Example 4
The tool changing device includes: a machine tool main body 101; a tool rest 102, the tool rest 102 being provided on the machine tool body; a robot arm support 103, the robot arm support 103 being provided on the machine tool main body 101; a robot drive shaft support platform 104 mounted on the robot support; a robot drive shaft 105 mounted on the robot drive shaft support platform; a manipulator (a tool taking position 108a, a vertical position 108b and a tool changing position 108c of the manipulator are respectively shown in fig. 1), the manipulator is sleeved at one end of a manipulator driving shaft, and the manipulator driving shaft is used for driving the manipulator to carry out power; the high-efficiency tool changing transmission mechanism 106, the high-efficiency tool changing transmission mechanism 106 is arranged on the machine tool main body, wherein the manipulator is positioned between the tool rest 102 and the high-efficiency tool changing transmission mechanism 106; the cutter disc 107 is connected with the high-efficiency cutter changing transmission mechanism through a cutter disc transmission shaft, and a plurality of cutters are arranged on the cutter disc; the manipulator can take the knife from the knife disc and convey the taken knife to the knife rest. The tool changing transmission mechanism comprises: a tool change transmission mechanism housing 201; a worm wheel 202, the worm wheel 202 is arranged in the cutter changing transmission mechanism shell 201, and the worm wheel is driven by a power device; a worm 203, the worm 203 being driven by the worm wheel 202; one end of the worm 203 is erected on the cutter changing transmission mechanism shell through a connecting rod 204, and one end of the connecting rod is erected in an opening of the cutter changing transmission mechanism shell through a first bearing seat; the plug 205 is arranged in the opening of the shell of the tool changing transmission mechanism; the oil groove 206 is formed in the inner side of the plug; and the oiling mouth cover 207 is arranged at the outer side of the shell of the tool changing transmission mechanism and is used for blocking the oiling mouth on the plug. The second bearing seat 218, the second bearing seat 218 sets up the one end in the wear-resisting bush, and the second bearing seat contacts with the wear-resisting bush, and the second bearing seat 218 overlaps in the transmission shaft outside.
Example 5
The tool changing device includes: a machine tool main body 101; a tool rest 102, the tool rest 102 being provided on the machine tool body; a robot arm support 103, the robot arm support 103 being provided on the machine tool main body 101; a robot drive shaft support platform 104 mounted on the robot support; a robot drive shaft 105 mounted on the robot drive shaft support platform; a manipulator (a tool taking position 108a, a vertical position 108b and a tool changing position 108c of the manipulator are respectively shown in fig. 1), the manipulator is sleeved at one end of a manipulator driving shaft, and the manipulator driving shaft is used for driving the manipulator to carry out power; the high-efficiency tool changing transmission mechanism 106, the high-efficiency tool changing transmission mechanism 106 is arranged on the machine tool main body, wherein the manipulator is positioned between the tool rest 102 and the high-efficiency tool changing transmission mechanism 106; the cutter disc 107 is connected with the high-efficiency cutter changing transmission mechanism through a cutter disc transmission shaft, and a plurality of cutters are arranged on the cutter disc; the manipulator can take the knife from the knife disc and convey the taken knife to the knife rest. The tool changing transmission mechanism comprises: a tool change transmission mechanism housing 201; a worm wheel 202, the worm wheel 202 is arranged in the cutter changing transmission mechanism shell 201, and the worm wheel is driven by a power device; a worm 203, the worm 203 being driven by the worm wheel 202; one end of the worm 203 is erected on the cutter changing transmission mechanism shell through a connecting rod 204, and one end of the connecting rod is erected in an opening of the cutter changing transmission mechanism shell through a first bearing seat; the plug 205 is arranged in the opening of the shell of the tool changing transmission mechanism; the oil groove 206 is formed in the inner side of the plug; and the oiling mouth cover 207 is arranged at the outer side of the shell of the tool changing transmission mechanism and is used for blocking the oiling mouth on the plug. Be provided with a plurality of screw holes 222 on the worm wheel, tool changing drive mechanism still includes: and rib 219, which is fixed to the worm wheel by screw holes.
Generally, when the transmission mechanism runs, the worm wheel can generate some vibration during rotation, so that the engagement of the worm wheel and the worm is inaccurate, excessive abrasion of the worm wheel and the worm is caused, the phenomenon is more obvious during high-speed running of the worm wheel, obvious contradiction is generated because the rotation speed of the worm wheel has to be increased in order to realize high-efficiency tool changing, and in order to solve the problem, the rib plate is additionally arranged on the worm wheel, and has a certain weight, so that the gravity center of the worm wheel moves forwards, the front and back swing of the worm wheel in the rotation process is prevented, and the abrasion between the worm wheel and the worm is reduced.
Example 6
The tool changing device includes: a machine tool main body 101; a tool rest 102, the tool rest 102 being provided on the machine tool body; a robot arm support 103, the robot arm support 103 being provided on the machine tool main body 101; a robot drive shaft support platform 104 mounted on the robot support; a robot drive shaft 105 mounted on the robot drive shaft support platform; a manipulator (a tool taking position 108a, a vertical position 108b and a tool changing position 108c of the manipulator are respectively shown in fig. 1), the manipulator is sleeved at one end of a manipulator driving shaft, and the manipulator driving shaft is used for driving the manipulator to carry out power; the high-efficiency tool changing transmission mechanism 106, the high-efficiency tool changing transmission mechanism 106 is arranged on the machine tool main body, wherein the manipulator is positioned between the tool rest 102 and the high-efficiency tool changing transmission mechanism 106; the cutter disc 107 is connected with the high-efficiency cutter changing transmission mechanism through a cutter disc transmission shaft, and a plurality of cutters are arranged on the cutter disc; the manipulator can take the knife from the knife disc and convey the taken knife to the knife rest. The tool changing transmission mechanism comprises: a tool change transmission mechanism housing 201; a worm wheel 202, the worm wheel 202 is arranged in the cutter changing transmission mechanism shell 201, and the worm wheel is driven by a power device; a worm 203, the worm 203 being driven by the worm wheel 202; one end of the worm 203 is erected on the cutter changing transmission mechanism shell through a connecting rod 204, and one end of the connecting rod is erected in an opening of the cutter changing transmission mechanism shell through a first bearing seat; the plug 205 is arranged in the opening of the shell of the tool changing transmission mechanism; the oil groove 206 is formed in the inner side of the plug; and the oiling mouth cover 207 is arranged at the outer side of the shell of the tool changing transmission mechanism and is used for blocking the oiling mouth on the plug. The worm gear is provided with a lubricant outlet 220.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (1)
1. An efficient tool changing apparatus of a numerical control machine, the tool changing apparatus comprising:
A machine tool main body;
the tool rest is arranged on the machine tool main body;
the manipulator support is arranged on the machine tool main body;
The manipulator driving shaft supporting platform is arranged on the manipulator bracket;
the manipulator driving shaft is erected on the manipulator driving shaft supporting platform;
the manipulator is sleeved at one end of the manipulator driving shaft, and the manipulator driving shaft supplies power for the manipulator;
The high-efficiency tool changing transmission mechanism is arranged on the machine tool main body, wherein the manipulator is positioned between the tool rest and the high-efficiency tool changing transmission mechanism;
The cutter head is connected with the high-efficiency cutter changing transmission mechanism through a cutter head transmission shaft, and a plurality of cutters are arranged on the cutter head; the manipulator can take a knife from the knife disc and can convey the taken knife to the knife rest;
the method is characterized in that: wherein, tool changing drive mechanism includes:
A cutter changing transmission mechanism shell;
The worm wheel is arranged in the shell of the tool changing transmission mechanism and driven by the power device;
A worm driven by the worm wheel;
One end of the worm is erected on the cutter changing transmission mechanism shell through a connecting rod, and one end of the connecting rod is erected in an opening of the cutter changing transmission mechanism shell through a first bearing seat;
The plug is arranged in the opening of the shell of the tool changing transmission mechanism;
The oil groove is formed in the inner side of the plug; and
The oiling mouth cover is arranged at the outer side of the shell of the tool changing transmission mechanism and is used for blocking the oiling mouth on the plug,
The tool changing transmission mechanism further comprises:
A drive shaft connected to the worm, and rotation of the drive shaft is powered by the worm;
A coupling;
the cutterhead driving shaft is connected with the transmission shaft through the coupler; and
The emergency braking device is sleeved on the cutterhead driving shaft,
The tool changing transmission mechanism shell comprises a transmission shaft accommodating groove, and the transmission shaft is arranged in the transmission shaft accommodating groove, wherein the tool changing transmission mechanism further comprises:
The bronze sleeve is arranged at one end of the transmission shaft accommodating groove, contacts with the transmission shaft accommodating groove and is sleeved outside the transmission shaft;
the wear-resistant bushing is arranged at the other end of the transmission shaft accommodating groove and extends into the transmission shaft accommodating groove; and
The wear-resistant lining jacking block is connected with the shell of the tool changing transmission mechanism through a locking bolt and is used for maintaining the position of the wear-resistant lining,
The wear bushing has a protruding portion thereon, the protruding portion being in contact with the drive shaft,
The tool changing transmission mechanism further comprises: the second bearing seat is arranged at one end in the wear-resistant bush, is contacted with the wear-resistant bush, is sleeved outside the transmission shaft,
Be provided with a plurality of screw holes on the worm wheel, tool changing drive mechanism still includes: the rib plate is fixed on the worm wheel through the threaded hole,
And a lubricating oil outlet is arranged on the worm wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810431596.9A CN108381256B (en) | 2018-05-08 | 2018-05-08 | High-efficient tool changing equipment of digit control machine tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810431596.9A CN108381256B (en) | 2018-05-08 | 2018-05-08 | High-efficient tool changing equipment of digit control machine tool |
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| Publication Number | Publication Date |
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| CN108381256A CN108381256A (en) | 2018-08-10 |
| CN108381256B true CN108381256B (en) | 2024-06-25 |
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| CN201810431596.9A Active CN108381256B (en) | 2018-05-08 | 2018-05-08 | High-efficient tool changing equipment of digit control machine tool |
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Citations (3)
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|---|---|---|---|---|
| CN1985107A (en) * | 2004-06-22 | 2007-06-20 | 迪姆肯公司 | Seal for worm gear speed reducer |
| CN101708578A (en) * | 2009-08-12 | 2010-05-19 | 江苏齐航数控机床有限责任公司 | Tool changing manipulator of numerical control machine tool, and control method and tool changing method thereof |
| CN208147459U (en) * | 2018-05-08 | 2018-11-27 | 河南工学院 | The efficient cutter replacing equipment of numerically-controlled machine tool |
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|---|---|---|---|---|
| US3300856A (en) * | 1964-02-14 | 1967-01-31 | Giddings & Lewis | Machine tool with automatic tool changing apparatus |
| CN2251220Y (en) * | 1995-12-20 | 1997-04-02 | 王为 | Motor top cover convenient to filling lubricating oil |
| DE202011001580U1 (en) * | 2011-01-11 | 2011-03-24 | Martschoke, Daniel | Electromechanical positioning device for aligning heavy workpieces on magnetic chucks |
| CN105983882A (en) * | 2015-02-13 | 2016-10-05 | 山东普鲁特机床有限公司 | High-precision pentahedral cutter head with arbitrary dividing function |
| CN206487528U (en) * | 2017-01-16 | 2017-09-12 | 恩永（北京）科技股份有限公司 | Oiling blanking cover mounting structure |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1985107A (en) * | 2004-06-22 | 2007-06-20 | 迪姆肯公司 | Seal for worm gear speed reducer |
| CN101708578A (en) * | 2009-08-12 | 2010-05-19 | 江苏齐航数控机床有限责任公司 | Tool changing manipulator of numerical control machine tool, and control method and tool changing method thereof |
| CN208147459U (en) * | 2018-05-08 | 2018-11-27 | 河南工学院 | The efficient cutter replacing equipment of numerically-controlled machine tool |
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| CN108381256A (en) | 2018-08-10 |
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