CN220863233U - Last milling machine with double independent last milling mechanisms - Google Patents
Last milling machine with double independent last milling mechanisms Download PDFInfo
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- CN220863233U CN220863233U CN202322497528.1U CN202322497528U CN220863233U CN 220863233 U CN220863233 U CN 220863233U CN 202322497528 U CN202322497528 U CN 202322497528U CN 220863233 U CN220863233 U CN 220863233U
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- 238000003801 milling Methods 0.000 title claims abstract description 126
- 230000007246 mechanism Effects 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 238000005553 drilling Methods 0.000 claims description 25
- 230000008093 supporting effect Effects 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 7
- 238000010079 rubber tapping Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Abstract
The utility model discloses a shoe last milling machine with a double independent shoe last milling mechanism, wherein a first shoe last milling station and a second shoe last milling station are respectively provided with mutually independent shoe last milling mechanisms, each shoe last milling mechanism comprises a control device, a triaxial tool arm feeding device, a tooling positioning device and a workpiece auxiliary positioning device, wherein the triaxial tool arm feeding device, the tooling positioning device and the workpiece auxiliary positioning device are respectively electrically connected with the control device, the workpiece auxiliary positioning device and the tooling positioning device are respectively arranged above and below the corresponding shoe last milling stations, and each tooling positioning device comprises a positioning inserted rod which is rotatably arranged; the workpiece auxiliary positioning device comprises a lifting table which is arranged in a vertical sliding manner, the lifting table is in transmission connection with a lifting driving device, a tip rod is rotatably arranged at the bottom of the lifting table and is positioned above the positioning inserted rod, the tip rod and the positioning inserted rod are coaxially arranged, and shoe tree tool matching is carried out between the tip rod and the positioning inserted rod. Compared with the prior art, the asynchronous machining of the same last milling machine is realized, and the milling precision is improved.
Description
Technical Field
The utility model relates to the technical field of shoe last processing equipment, in particular to a shoe last milling machine with a double independent shoe last milling mechanism.
Background
The prior art has a double-station shoe last milling mechanism, such as the patent application number of 'CN202223098224. X', and the patent name of the utility model is 'a double-station shoe last milling machine', which provides a shoe last milling structure with two milling stations, two side cutters are respectively fed and regulated by the same three-axis cutter arms, the two cutters simultaneously mill the shoe last on the two stations so as to accelerate milling efficiency, and the two stations are provided with rotary clamps with tool inserting rods, and hole positions reserved by shoe last workpieces are sleeved on the tool inserting rods to finish tool positioning.
However, the double-station synchronous milling mechanism of the double-station shoe last milling machine can only mill left shoe lasts or right shoe lasts at the same time, cannot mill different specifications at two stations, and has low practicability; in addition, the last carries out frock location through the anchor clamps structure of inserted bar formula, and in the last milling process, the last work piece is easily received the milling action of cutter and is taken place the vibration, influences machining precision.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide a shoe last milling machine with a double independent shoe last milling mechanism, realize double-station independent shoe last milling, and improve the processing precision and the processing quality of the shoe last milling machine.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a mill last machine with two independent last milling mechanisms, including the casing, the intermediate position of the inner chamber of casing is equipped with a baffle, regard baffle as the boundary, the both sides of casing form respectively and mill last station and second and mill last station, first mills last station and second mill last station and be equipped with respectively and mill last mechanism mutually independent, mill last mechanism including controlling means and the triaxial tool arm feeding device that is connected in controlling means respectively, frock positioner and work piece auxiliary positioning device, wherein, work piece auxiliary positioning device and frock positioner locate respectively below corresponding mill last station, frock positioner includes the location inserted bar of rotatory setting; the workpiece auxiliary positioning device comprises a lifting table which is arranged in a vertical sliding manner, the lifting table is in transmission connection with a lifting driving device, a tip rod is rotatably arranged at the bottom of the lifting table and is positioned above the positioning inserted rod, the tip rod and the positioning inserted rod are coaxially arranged, and shoe tree tool matching is carried out between the tip rod and the positioning inserted rod.
In a further technical scheme, the lifting platform is provided with a drilling driving device and a clutch device, the drilling driving device is connected with the tip rod through the clutch device in a transmission way, the tip rod is in a drilling state and an auxiliary positioning state, and when the tip rod is in the drilling state, the clutch device is in closed fit, and the tip rod is connected with the drilling driving device in a transmission way; when the tip rod is in the auxiliary positioning state, the clutch device is disengaged, and the transmission between the tip rod and the drilling driving device is disengaged.
In a further technical scheme, a first last milling station and a second last milling station are respectively provided with a station inlet, and a gate is arranged at the station inlet; the tool positioning device is arranged at the bottom of the station inlet and comprises a tool positioning platform and a tool angle adjusting motor, and the positioning inserting rod is rotatably arranged on the tool positioning platform; the tool angle adjusting motor is fixedly arranged below the tool positioning platform and is in transmission connection with the positioning inserted rod, and the tool angle adjusting motor is electrically connected with the control device; the workpiece auxiliary positioning device is provided with a side part of the station inlet and comprises a vertically arranged lifting guide rail, a lifting sliding seat and a lifting driving cylinder, wherein the lifting guide rail is arranged at one side of the station inlet; the lifting slide seat is slidably arranged on the lifting guide rail, a transversely protruding lifting transmission block is arranged on the side part of the lifting slide seat, and the lifting table is fixedly arranged on the lifting slide seat; the lifting driving cylinder is provided with an output shaft which is vertically arranged in a telescopic manner, and the end part of the output shaft is connected with the lifting transmission block.
In a further technical scheme, a tip assembly structure is arranged in the middle of the lifting platform, the tip assembly structure comprises a cylinder sleeve and an inner shaft sleeve, the cylinder sleeve is fixedly arranged on the lifting platform and protrudes out of the upper surface and the lower surface of the lifting platform respectively, a cylinder cavity penetrating up and down is formed in the cylinder sleeve, and a bearing unit is respectively fixed on the upper surface and the lower surface of the cylinder cavity; the top of the inner shaft sleeve is provided with a transversely protruding limiting ring, the inner shaft sleeve is arranged in the barrel cavity and is respectively inserted into the inner rings of the two bearing units at the upper part and the lower part of the barrel cavity, the limiting ring is in limiting fit with the bearing unit above, the inner shaft sleeve is internally provided with an inner shaft cavity penetrating up and down, and the tip rod is movably assembled in the inner shaft cavity.
In a further technical scheme, a chamfer-shaped clutch groove is formed in the top opening of the inner shaft cavity; the top of the tip rod is provided with an umbrella-shaped clutch end which is matched with the clutch groove, the clutch end is in limit fit with the clutch groove, the top surface of the clutch end is provided with a concave transmission notch, the clutch device comprises two clutch driving cylinders which are synchronously output and matched and a motor connecting seat, the two clutch driving cylinders are respectively and fixedly arranged on two sides of the cylinder sleeve, and the output shaft of the clutch driving cylinder is provided with a connecting bridge plate; the two sides of the motor connecting seat are respectively fixedly connected with corresponding connecting bridge plates, the drilling driving device is fixedly arranged at the top of the motor connecting seat and is provided with an output rotating shaft, an extension supporting rod is arranged at the bottom end of the output rotating shaft, and the extension supporting rod is movably supported against the transmission notch.
In a further technical scheme, the top of the inner shaft sleeve is provided with a limit cap through threads, the middle position of the limit cap is provided with an orifice, the inner diameter of the orifice is larger than the outer diameter of the extension supporting rod, and the extension supporting rod movably penetrates through the orifice of the limit cap; the outer diameter of the clutch end is larger than the inner diameter of the orifice, and the clutch end is in limit fit with the limit cap.
In a further technical scheme, the triaxial tool arm feeding device comprises a longitudinal axis driving mechanism, a transverse axis driving mechanism and a rotary shaft driving mechanism which are sequentially connected, wherein the rotary shaft driving mechanism comprises a rotary shaft seat, a rotary shaft driving motor and a milling tool arm assembly, the rotary shaft driving motor and the rotary shaft seat are respectively fixedly arranged on the transverse axis driving mechanism, and the rotary shaft seat is obliquely arranged; the milling cutter arm assembly is rotatably arranged on the rotary shaft seat and is in transmission connection with the rotary shaft driving motor.
In a further technical scheme, the milling cutter arm assembly comprises a cutter arm base, a milling driving motor, a belt pulley transmission structure and a torus cutter, wherein a connecting shaft is arranged at the end part of the cutter arm base, is rotatably arranged on a rotating shaft seat and is in transmission connection with the rotating shaft driving motor; the milling driving motor is fixedly arranged on one side of the cutter arm base, and is provided with an output shaft which penetrates through the other side of the cutter arm base; the belt pulley transmission structure comprises a driving belt, a driving belt pulley and a driven belt pulley, wherein the driving belt pulley is arranged on an output shaft of the milling driving motor, the driven belt pulley is rotatably arranged at the end part of the cutter arm base, and the driving belt is respectively wound on the driving belt pulley and the driven belt pulley; the annular surface cutter and the driven belt pulley are coaxially assembled.
In a further technical scheme, the annular cutter comprises a rotary cutter holder, and the rotary cutter holder is coaxially connected with the driven belt pulley; the side of the rotary tool apron is provided with a plurality of milling cutter assembling parts, the milling cutter assembling parts are respectively distributed at intervals along the circumferential direction, and each milling cutter assembling part is respectively provided with a bowl-shaped milling cutter unit or a grinding wheel unit.
In a further technical scheme, the cutter arm base is also provided with two tensioning wheels which are respectively matched with the driving belt in a rolling way.
By adopting the structure, compared with the prior art, the utility model has the following advantages: the utility model provides a shoe last milling machine with a double independent shoe last milling mechanism, which is characterized in that two shoe last milling stations are arranged in the same equipment, and the shoe last milling mechanisms which are independently driven and controlled are arranged, so that the same shoe last milling machine can simultaneously carry out shoe last milling processing works with different specifications; by improving the structure of the shoe last milling tool, a workpiece auxiliary positioning device is additionally arranged, the bottom of the tip rod is inserted into the shoe last for auxiliary positioning, so that vibration of the shoe last workpiece is reduced when milling is performed, and milling precision is improved; the workpiece positioning auxiliary device has a simple clutch function, can realize the self-tapping rotation hole of the tip rod, simultaneously, meets the function of thorn insertion positioning, has a smart design, simple structure and low preparation cost, and is easy to popularize.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an internal schematic view of the present utility model.
Fig. 3 is a schematic view of a three-axis arm feeder apparatus according to the present utility model.
Fig. 4 is a schematic structural view of the rotation shaft mechanism in the present utility model.
Fig. 5 is a schematic view of the construction of the torus cutter according to the present utility model.
Fig. 6 is a schematic structural view of the workpiece positioning assistance device in the present utility model.
Fig. 7 is a cross-sectional view of the workpiece positioning aid in the present utility model.
Fig. 8 is an enlarged view at a in fig. 7.
Detailed Description
The following are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model.
The defects of the shoe last milling machine in the prior art are not overcome, asynchronous processing of the same shoe last milling machine is realized, occupied space application of workshops is reduced, practicality of equipment and milling precision of shoe lasts are improved, and the inventor proposes the following shoe last milling machine.
As shown in fig. 1 to 8, a shoe last milling machine with a double independent shoe last milling mechanism comprises a machine shell 1, wherein a partition plate is arranged in the middle of an inner cavity of the machine shell 1, a first shoe last milling station 11 and a second shoe last milling station 12 are respectively formed on two sides of the machine shell 1 by taking the partition plate as a limit, the first shoe last milling station 11 and the second shoe last milling station 12 are respectively provided with mutually independent shoe last milling mechanisms, each shoe last milling mechanism comprises a control device 2, a triaxial tool arm feeding device 3, a tool positioning device 4 and a workpiece auxiliary positioning device 5, which are respectively electrically connected with the control device 2, wherein the workpiece auxiliary positioning device 5 and the tool positioning device 4 are respectively arranged above and below the corresponding shoe last milling stations, and the tool positioning device 4 comprises a positioning inserted rod which is rotationally arranged; the workpiece auxiliary positioning device 5 comprises a lifting table 52 which is arranged in a sliding manner up and down, the lifting table 52 is in transmission connection with a lifting driving device, a tip rod 59 is rotatably arranged at the bottom of the lifting table 52, the tip rod 59 is positioned above the positioning inserted rod and is coaxially arranged between the tip rod 59 and the positioning inserted rod, and shoe tree tool matching is carried out between the tip rod 59 and the positioning inserted rod.
The shoe last milling machine is provided with a first shoe last milling station 11 and a second shoe last milling station 12, and two sets of shoe last milling mechanisms which independently run are arranged at the two shoe last milling stations, so that asynchronous processing of the same shoe last milling machine is realized, the practicability and the processing efficiency of equipment are improved, and the occupied area of a workshop is reduced.
Specifically, this embodiment also provides a work piece auxiliary positioning device 5, on the basis of current last milling positioning device, newly adds the auxiliary positioning structure of thimble, and specific structure is as follows: the lifting table 52 is provided with a drilling driving device 56 and a clutch device, the drilling driving device 56 is connected with the tip rod 59 through the clutch device in a transmission way, the tip rod 59 is in a drilling state and an auxiliary positioning state, when the tip rod 59 is in the drilling state, the clutch device is in closed fit, and the tip rod 59 is connected with the drilling driving device 56 in a transmission way; when the tip rod 59 is in the auxiliary positioning state, the clutch means is disengaged, and the transmission between the tip rod 59 and the drill drive 56 is disengaged.
Specifically, the first last milling station 11 and the second last milling station 12 are respectively provided with a station inlet, and a gate is arranged at the station inlet; the tool positioning device 4 is arranged at the bottom of the station inlet, the tool positioning device 4 comprises a tool positioning platform and a tool angle adjusting motor, and the positioning inserting rod is rotatably arranged on the tool positioning platform; the tool angle adjusting motor is fixedly arranged below the tool positioning platform and is in transmission connection with the positioning inserted rod, and the tool angle adjusting motor is electrically connected with the control device 2; the workpiece auxiliary positioning device 5 is provided with a side part of the station entrance, and the workpiece auxiliary positioning device 5 comprises a vertically arranged lifting guide rail, a lifting sliding seat 51 and a lifting driving cylinder 511, wherein the lifting guide rail is arranged at one side of the station entrance; the lifting slide seat 51 is slidably mounted on the lifting guide rail, a transversely protruding lifting transmission block 512 is mounted on the side part of the lifting slide seat 51, and the lifting table 52 is fixedly mounted on the lifting slide seat 51; the lifting driving cylinder 511 has an output shaft which is vertically arranged in a telescopic manner, and the end part of the output shaft is connected with the lifting transmission block 512.
Specifically, a tip assembly structure is arranged in the middle of the lifting platform 52, the tip assembly structure comprises a barrel casing 57 and an inner shaft casing 58, the barrel casing 57 is fixedly installed on the lifting platform 52, the barrel casing 57 protrudes out of the upper surface and the lower surface of the lifting platform 52 respectively, a barrel cavity penetrating up and down is arranged in the barrel casing 57, bearing clamping shoulders 571 are respectively formed in the upper surface and the lower surface of the barrel cavity, and a bearing unit 582 is respectively fixed on the two bearing clamping shoulders 571; the top of the inner shaft sleeve 58 is provided with a transversely protruding limiting ring 583, the inner shaft sleeve 58 is arranged in the barrel cavity and is respectively inserted into the inner rings of the two bearing units 582 at the upper and lower parts of the barrel cavity, the limiting ring 583 is in limiting fit with the bearing unit 582 above, the inner shaft sleeve 58 is internally provided with an inner shaft cavity penetrating up and down, and the tip rod 59 is movably assembled in the inner shaft cavity.
Specifically, a chamfer-shaped clutch groove 581 is arranged at the top opening of the inner shaft cavity; the top of the tip rod 59 is provided with an umbrella-shaped clutch end 591, the clutch end 591 is matched with the clutch groove 581 for limiting fit, the top surface of the clutch end 591 is provided with a concave transmission notch, the clutch device comprises two clutch driving cylinders 53 and a motor connecting seat 54 which are synchronously output and matched, the two clutch driving cylinders 53 are respectively fixedly arranged at two sides of the cylinder sleeve 57, and the output shaft of the clutch driving cylinder 53 is provided with a connecting bridge plate; the two sides of the motor connecting seat 54 are respectively and fixedly connected with corresponding connecting bridge plates, the drilling driving device 56 is fixedly arranged at the top of the motor connecting seat 54, the drilling driving device 56 is provided with an output rotating shaft, the bottom end of the output rotating shaft is provided with an extension supporting rod 561, and the extension supporting rod 561 is movably supported against the transmission notch.
Specifically, a limit cap 584 is mounted on the top of the inner sleeve 58 through threads, an orifice 5840 is formed in the middle position of the limit cap 584, the inner diameter of the orifice 5840 is larger than the outer diameter of the extension supporting rod 561, and the extension supporting rod 561 movably penetrates through the orifice 5840 of the limit cap 584; the clutch end 591 has an outer diameter greater than an inner diameter of the aperture 5840, the clutch end 591 being in limited engagement with the limit cap 584.
The auxiliary workpiece positioning device 5 drills a shoe tree through the tip end part of the bottom of the tip end rod 59 and performs the insertion type positioning assistance, which comprises the following specific steps: first, the lowering and lifting table 52 is driven to pierce the tip portion of the bottom of the tip rod 59 to the last work; then, the clutch device is turned to be closed, namely, the clutch driving cylinders 53 at two sides drive the motor connecting seat 54 and the drilling driving device 56 to sink, so that the extension supporting rod 561 is movably supported to act on the transmission notch, the clutch end 591 is tightly connected with the clutch groove 581 under the supporting action to form friction stress, the transmission connection of the tip rod 59 and the drilling driving device 56 is realized, and then the shoe last workpiece is subjected to self-tapping drilling; finally, the clutch device is turned to be disengaged, and the tip rod 59 is inserted into the self-tapping hole of the shoe last workpiece to perform auxiliary positioning.
The auxiliary workpiece positioning device 5 has the advantages of simple structure and low preparation cost, is easy to popularize and use, and the bottom of the tip rod is inserted into the shoe last for auxiliary positioning, so that vibration of the shoe last workpiece is reduced during milling, and milling precision is improved.
The last milling machine in the embodiment also provides a triaxial tool arm feeding device 3, wherein the triaxial tool arm feeding device 3 comprises a longitudinal axis driving mechanism, a transverse axis driving mechanism and a rotation axis driving mechanism which are sequentially connected, and the longitudinal axis driving mechanism comprises a longitudinal axis sliding seat 31; the vertical axis slide seat 31 is provided with a horizontal axis driving motor 322 and a horizontal axis guide rail; the cross shaft guide rail is slidably provided with a cross shaft sliding seat 32, and the cross shaft sliding seat 32 is connected with a cross shaft driving motor 322 through a screw rod structure in a transmission way; the rotary shaft driving mechanism comprises a rotary shaft seat 332, a rotary shaft driving motor 331 and a milling cutter arm assembly, wherein the rotary shaft driving motor 331 and the rotary shaft seat 332 are respectively fixedly arranged on the transverse shaft sliding seat 32, and the rotary shaft seat 332 is obliquely arranged; the milling cutter arm assembly is rotatably mounted to the rotary shaft mount 332 and is drivingly connected to the rotary shaft drive motor 331.
Specifically, the milling cutter arm assembly includes a cutter arm base 33, a milling driving motor 333, a belt pulley transmission structure and a ring surface cutter 335, wherein a connecting shaft is arranged at the end of the cutter arm base 33, and the connecting shaft is rotatably installed on the rotating shaft seat 332 and is in transmission connection with the rotating shaft driving motor 331; the milling driving motor 333 is fixedly installed on one side of the tool arm base 33, the milling driving motor 333 is provided with an output shaft, and the output shaft penetrates to the other side of the tool arm base 33; the pulley transmission structure comprises a driving belt, a driving pulley 334 and a driven pulley 3362, wherein the driving pulley 334 is arranged on an output shaft of the milling driving motor 333, the driven pulley 3362 is rotatably arranged at the end part of the tool arm base 33, and the driving belt is respectively wound on the driving pulley 334 and the driven pulley 3362; the torus cutter 335 is mounted coaxially with the driven pulley 3362.
Specifically, the ring cutter 335 includes a rotary cutter holder 3363, and the rotary cutter holder 3363 is coaxially connected to the driven pulley 3362; the side portion of the rotary tool holder 3363 is provided with a plurality of milling cutter mounting portions 3364, each milling cutter mounting portion 3364 being respectively spaced apart in the circumferential direction, each milling cutter mounting portion 3364 being respectively equipped with a bowl-shaped milling cutter unit 3365 or a grinding wheel unit.
Specifically, the arm base 33 is further provided with two tensioning wheels 336, and the two tensioning wheels 336 are respectively in rolling fit with the driving belt.
The annular cutter 335 driven by the pulley structure has the advantages of less vibration and high precision. Newly developed tool rotation systems allow for stable, low vibration operation and precise adjustment of the rotation stop position. In order to prevent the contour of the workpiece from being limited to being visible between the different working areas of each rotational position, the offset between the rotational positions of the torus tool can be accurately measured and then used as a correction in the tool path calculation. This makes the mechanical manufacture more economical. The allowable tolerance between the ring face cutter 335 and the last work piece averages 0.02-0.03mm. The supported ring face cutter 335 of the rotary system is capable of producing the final shape of almost all last without causing collisions with the workpiece.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. Last milling machine with two independent last milling mechanisms, characterized in that: comprises a shell (1), wherein a baffle is arranged in the middle position of the inner cavity of the shell (1), a first last milling station (11) and a second last milling station (12) are respectively formed on two sides of the shell (1) by taking the baffle as a limit, the first last milling station (11) and the second last milling station (12) are respectively provided with mutually independent last milling mechanisms, each last milling mechanism comprises a control device (2), a triaxial tool arm feeding device (3), a tool positioning device (4) and a workpiece auxiliary positioning device (5) which are respectively and electrically connected with the control device (2),
Wherein, the work piece auxiliary positioning device (5) and the tooling positioning device (4) are respectively arranged above and below the corresponding last milling station, and the tooling positioning device (4) comprises a positioning inserted rod which is rotatably arranged; the workpiece auxiliary positioning device (5) comprises a lifting table (52) which is arranged in a sliding manner up and down, the lifting table (52) is in transmission connection with a lifting driving device, a tip rod (59) is rotatably arranged at the bottom of the lifting table (52), the tip rod (59) is positioned above the positioning inserted rod, the tip rod and the positioning inserted rod are coaxially arranged, and shoe tree tool matching is performed between the tip rod (59) and the positioning inserted rod.
2. The last milling machine with double independent last milling mechanism according to claim 1, wherein: the lifting table (52) is provided with a drilling driving device (56) and a clutch device, the drilling driving device (56) is connected with the tip rod (59) through the clutch device in a transmission way, the tip rod (59) has a drilling state and an auxiliary positioning state,
When the tip rod (59) is in a drilling state, the clutch device is in closed fit, and the tip rod (59) is in transmission connection with the drilling driving device (56);
When the tip rod (59) is in the auxiliary positioning state, the clutch device is disengaged, and the tip rod (59) is in transmission disengagement with the drilling driving device (56).
3. The last milling machine with double independent last milling mechanism according to claim 2, wherein: the first last milling station (11) and the second last milling station (12) are respectively provided with a station inlet, and a gate is arranged at the station inlet;
The tool positioning device (4) is arranged at the bottom of the station inlet, the tool positioning device (4) comprises a tool positioning platform and a tool angle adjusting motor, and the positioning inserting rod is rotatably arranged on the tool positioning platform; the tool angle adjusting motor is fixedly arranged below the tool positioning platform and is in transmission connection with the positioning inserted rod, and the tool angle adjusting motor is electrically connected with the control device (2);
The workpiece auxiliary positioning device (5) is provided with a side part of the station inlet, the workpiece auxiliary positioning device (5) comprises a vertically arranged lifting guide rail, a lifting sliding seat (51) and a lifting driving cylinder (511), and the lifting guide rail is arranged at one side of the station inlet; the lifting slide seat (51) is slidably arranged on the lifting guide rail, a transversely protruding lifting transmission block (512) is arranged on the side part of the lifting slide seat (51), and the lifting table (52) is fixedly arranged on the lifting slide seat (51); the lifting driving cylinder (511) is provided with an output shaft which is vertically arranged in a telescopic way, and the end part of the output shaft is connected with the lifting transmission block (512).
4. The last milling machine with double independent last milling mechanism according to claim 3, wherein: a tip assembly structure is arranged in the middle of the lifting table (52), the tip assembly structure comprises a cylinder sleeve (57) and an inner shaft sleeve (58),
The cylinder sleeve (57) is fixedly arranged on the lifting table (52), the cylinder sleeve (57) protrudes out of the upper surface and the lower surface of the lifting table (52) respectively, a cylinder cavity penetrating up and down is arranged in the cylinder sleeve (57), and a bearing unit (582) is respectively fixed on the upper surface and the lower surface of the cylinder cavity;
The top of the inner shaft sleeve (58) is provided with a transversely protruding limiting ring (583), the inner shaft sleeve (58) is arranged in the barrel cavity and is respectively inserted into the inner rings of the two bearing units (582) at the upper part and the lower part of the barrel cavity, the limiting ring (583) is in limiting fit with the bearing unit (582) above, the inner shaft cavity penetrating through the inner shaft sleeve (58) from top to bottom is arranged in the inner shaft sleeve (58), and the tip rod (59) is movably assembled in the inner shaft cavity.
5. The last milling machine with double independent last milling mechanism according to claim 4, wherein: a chamfer-shaped clutch groove (581) is formed in the top opening of the inner shaft cavity; an umbrella-shaped clutch end head (591) is formed at the top of the tip rod (59), the clutch end head (591) is matched with the clutch groove (581) for limiting fit, a concave transmission notch is arranged on the top surface of the clutch end head (591),
The clutch device comprises two clutch driving cylinders (53) which are matched with each other in a synchronous output mode and a motor connecting seat (54), the two clutch driving cylinders (53) are respectively and fixedly arranged on two sides of the cylinder sleeve (57), and a connecting bridge plate is arranged on an output shaft of each clutch driving cylinder (53); the two sides of the motor connecting seat (54) are respectively and fixedly connected with corresponding connecting bridge plates, the drilling driving device (56) is fixedly arranged at the top of the motor connecting seat (54), the drilling driving device (56) is provided with an output rotating shaft, the bottom end of the output rotating shaft is provided with an extension supporting rod (561), and the extension supporting rod (561) movably supports against the transmission notch.
6. The last milling machine with double independent last milling mechanism according to claim 5, wherein: a limit cap (584) is arranged on the top of the inner shaft sleeve (58) through threads, an orifice (5840) is formed in the middle position of the limit cap (584), the inner diameter of the orifice (5840) is larger than the outer diameter of the extension supporting rod (561), and the extension supporting rod (561) movably penetrates through the orifice (5840) of the limit cap (584); the outer diameter of the clutch end head (591) is larger than the inner diameter of the orifice (5840), and the clutch end head (591) is in limit fit with the limit cap (584).
7. The last milling machine with double independent last milling mechanism according to claim 1, wherein: the triaxial tool arm feeding device (3) comprises a longitudinal axis driving mechanism, a transverse axis driving mechanism and a rotation axis driving mechanism which are sequentially connected,
The rotary shaft driving mechanism comprises a rotary shaft seat (332), a rotary shaft driving motor (331) and a milling cutter arm assembly, wherein the rotary shaft driving motor (331) and the rotary shaft seat (332) are respectively fixedly arranged on the transverse shaft driving mechanism, and the rotary shaft seat (332) is obliquely arranged; the milling cutter arm assembly is rotatably arranged on the rotary shaft seat (332) and is in transmission connection with the rotary shaft driving motor (331).
8. The last milling machine with double independent last milling mechanism according to claim 7, wherein: the milling cutter arm assembly comprises a cutter arm base (33), a milling driving motor (333), a belt pulley transmission structure and a ring surface cutter (335),
The end part of the cutter arm base (33) is provided with a connecting shaft which is rotatably arranged on the rotating shaft seat (332) and is in transmission connection with the rotating shaft driving motor (331);
The milling driving motor (333) is fixedly arranged on one side of the tool arm base (33), the milling driving motor (333) is provided with an output shaft, and the output shaft penetrates to the other side of the tool arm base (33);
The belt pulley transmission structure comprises a driving belt, a driving belt pulley (334) and a driven belt pulley (3362), wherein the driving belt pulley (334) is arranged on an output shaft of the milling driving motor (333), the driven belt pulley (3362) is rotatably arranged at the end part of the cutter arm base (33), and the driving belt is respectively wound on the driving belt pulley (334) and the driven belt pulley (3362);
The toroidal cutter (335) is mounted coaxially with the driven pulley (3362).
9. The last milling machine with double independent last milling mechanism according to claim 8, wherein: the annular cutter (335) comprises a rotary cutter holder (3363), and the rotary cutter holder (3363) is coaxially connected with the driven belt pulley (3362); the side of the rotary tool holder (3363) is provided with a plurality of milling cutter assembling parts (3364), each milling cutter assembling part (3364) is respectively distributed at intervals along the circumferential direction, and each milling cutter assembling part (3364) is respectively provided with a bowl-shaped milling cutter unit (3365) or a grinding wheel unit.
10. The last milling machine with double independent last milling mechanism according to claim 9, wherein: the cutter arm base (33) is also provided with two tensioning wheels (336), and the two tensioning wheels (336) are respectively in rolling fit with the driving belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322497528.1U CN220863233U (en) | 2023-09-14 | 2023-09-14 | Last milling machine with double independent last milling mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322497528.1U CN220863233U (en) | 2023-09-14 | 2023-09-14 | Last milling machine with double independent last milling mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220863233U true CN220863233U (en) | 2024-04-30 |
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| CN202322497528.1U Active CN220863233U (en) | 2023-09-14 | 2023-09-14 | Last milling machine with double independent last milling mechanisms |
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