CN209754539U - Hollow direct-drive power knife rest - Google Patents
Hollow direct-drive power knife rest Download PDFInfo
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- CN209754539U CN209754539U CN201920397833.4U CN201920397833U CN209754539U CN 209754539 U CN209754539 U CN 209754539U CN 201920397833 U CN201920397833 U CN 201920397833U CN 209754539 U CN209754539 U CN 209754539U
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- encoding
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- belt wheel
- transmission shaft
- ring gear
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Abstract
the utility model provides a cavity formula directly drives power knife rest, including the blade disc, the transmission shaft with directly drive the motor, the fixed cover in the transmission shaft outside has connecting sleeve, transmission shaft right-hand member fixedly connected with main shaft band pulley, the main shaft band pulley passes through conveyer and motor band pulley and connects, the motor band pulley is connected to the driving end of motor power through the motor shaft, the end cover right-hand member that directly drives the motor is provided with the encoder, connecting sleeve goes up the blade disc and directly drives circumference between the motor and install motor rotor, the motor rotor outside is provided with locking device, blade disc left end fixed mounting has the front end housing, the rear end cap is installed to motor band pulley and main shaft band pulley right-hand. The utility model discloses power take off is unanimous around realizing the tool changing with two motors, and inconsistent around power take off when solving prior art and because of the tool changing that the internal loss of power leads to in the power take off process, causes the transposition transmission clearance big, produces the problem of great noise.
Description
Technical Field
The utility model belongs to the technical field of knife rest equipment, concretely relates to well cavity formula directly drives power knife rest.
Background
the transmission modes of a tool rest and a power head used by the turning and milling composite machine tool are mostly mechanical transmission, a transmission gap exists, and the long-time working position has deviation; in addition, the power head device is mostly arranged on the cutter head, and the cutter head is simultaneously provided with the turning tool, the milling cutter, the drill bit and the screw tap, so that the specification number of the turning tool is reduced, due to space limitation, a power output module of the conventional power tool rest generally adopts an external gear or a belt wheel for transmission, the occupied size is large, the external production and manufacturing cost of a machine tool is increased, and during maintenance, the occupied area of the tool rest is large, so that the quick maintenance is not facilitated for maintenance workers.
Patent application No. CN201610532207.2, the contents of which are: the utility model provides a power knife rest for driving and changing power tool. The turning and milling combined machining tool is characterized in that the turning and milling combined machining tool comprises a plurality of power tool holders, wherein the power tool holders are arranged in the power tool holders: still include servo motor, transmission shaft I, II synchronous pulley I of transmission shaft, synchronous pulley II, ball bearing I, ball bearing II and hold-in range. The power transmission from the power source of the power tool rest of the power tool for driving and replacing the power tool to the power tool apron is realized by adopting a synchronous belt structure, so that the noise of the power tool during working is effectively reduced; the structure of the guide disc and the mode of grinding the adjusting pad during assembly guarantee that the straight key at the end part of the input shaft of the power tool apron and the straight key groove on the transmission shaft II smoothly separate from and combine when the tool pan rotates for tool changing, tool changing of the power tool rest is achieved, and compared with a transmission structure, the structure is simple, and the mechanical failure rate is low.
Above-mentioned patent utilizes band pulley transmission, has reduced the noise when transmission, but above-mentioned patent conveyer belt passes the box and carries out the transmission, structurally makes the conveyer belt apart from the overlength, leads to power take off unstability easily, and uses the back for a long time, and the transmission between conveyer belt and the band pulley receives motor vibration to lead to the precision to reduce.
SUMMERY OF THE UTILITY MODEL
The utility model discloses inconsistent around power take off when solving the present tool changing that leads to because of the internal loss of power in-process power take off, cause the transposition transmission clearance big, produce the problem of great noise, provide a cavity formula for this reason and directly drive the power knife rest.
The utility model provides a technical scheme that its technical problem adopted is:
A hollow direct-drive power knife rest comprises a knife disc, a transmission shaft and a direct-drive motor, wherein a connecting sleeve is fixedly sleeved on the outer side of the transmission shaft, the direct-drive motor is arranged in the middle section of the connecting sleeve, the knife disc is fixedly arranged at the left end of the connecting sleeve and is driven to rotate by the transmission shaft, a main shaft belt wheel is fixedly connected at the right end of the transmission shaft, the main shaft belt wheel is connected with a motor belt wheel through a transmission belt, the motor belt wheel is connected to the driving end of the power motor through a motor shaft, an encoder is arranged at the right end of an end cover of the direct-drive motor and drives the transmission shaft to do quantitative periodic motion, a motor rotor is circumferentially arranged between the knife disc and the direct-drive motor on the connecting sleeve, a locking device is arranged on the outer side of the motor rotor and used for, and a box body is fixed between the front end cover and the rear end cover.
Furthermore, the encoder comprises an encoding bottom plate, an encoding main belt wheel, an encoding mandrel, an encoding seat, an encoding pressing plate and an encoding secondary belt wheel, the encoding bottom plate is fixedly installed on the right end face of the end cover of the direct-drive motor, the left end of the encoding main belt wheel is movably installed at the right end of the encoding bottom plate through a bearing, the encoding mandrel penetrates through the axis of the encoding main belt wheel and is connected to the left end of the encoding pressing plate, the encoding seat is movably fixed on the outer side of the encoding mandrel through the bearing, the encoding secondary belt wheel is fixedly sleeved on the transmission shaft, and the encoding main belt wheel and the encoding secondary belt.
Furthermore, locking device includes a plurality of pneumatic cylinders, locking ring gear and ring gear, the fixed cover of ring gear is at the electric motor rotor left end, ring gear right-hand member side is opened has the locking groove, and a plurality of pneumatic cylinders are fixed around in the box, locking ring gear movable sleeve is in the electric motor rotor outside, locking ring gear side fixed mounting has the direction bolt, direction bolt left end height is higher than locking ring gear left end height, and a plurality of the even symmetric connection of pneumatic cylinder flexible end is on locking ring gear right side, promotes locking ring gear and slides left, the direction bolt meshing is in the locking inslot.
Furthermore, the left end of the transmission shaft extends out of the connecting sleeve to be connected into the power cover, and the left end of the power cover is fixedly arranged on the right side of the front end cover. Furthermore, an antifouling plug is arranged at the outlet of a cutter socket on the cutter head.
Compared with the prior art, the beneficial effects of the utility model are that:
1. The utility model discloses carry out the transposition tool changing with directly driving motor drive knife rest, power take off makes the power supply through band pulley transmission mode, makes knife rest overall structure inseparable, reduces the volume of knife rest, has reduced the noise that produces in the transmission, and because the reduction of volume makes manufacturing cost reduce.
2. The utility model discloses providing power take off through motor power in the band pulley transmission, rethread direct drive motor realizes the transposition of tool changing, has guaranteed under the stable prerequisite of power take off, makes output power at the fore-and-aft unanimity of tool changing action, has avoided the transmission clearance because of the inconsistent production of power take off, has reduced the noise that the transmission clearance caused.
Drawings
the present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a cross-sectional view of an embodiment of the present invention;
Fig. 2 is a schematic structural view of a locking device in an embodiment of the present invention;
The most important element symbols of the embodiment of the utility model are as follows:
The anti-fouling device comprises a direct-drive motor-1, a transmission shaft-2, a connecting sleeve-3, a cutter head-4, a cutter socket-401, an anti-fouling plug-402, a spindle belt pulley-5, a transmission belt-6, a motor belt pulley-7, a power motor-8, a motor shaft-801, an encoder-9, an encoding bottom plate-901, an encoding main belt pulley-902, an encoding mandrel-903, an encoding seat-904, an encoding pressing plate-905, an encoding secondary belt pulley-906, a motor rotor-10, a locking device-11, a hydraulic cylinder-1101, a locking gear ring-1102, a guide bolt-1103, an inner gear ring-1104, a locking groove-1105, a front end cover-12, a rear end cover-13, a box body-14 and a power cover.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in figure 1, the hollow direct-drive power tool rest comprises a tool pan 4, a transmission shaft 2 and a direct-drive motor 1, wherein a connecting sleeve 3 is fixedly sleeved on the outer side of the transmission shaft 2, the direct-drive motor 1 is installed in the middle section of the connecting sleeve 3, the tool pan 4 is fixedly installed at the left end of the connecting sleeve 3 and is driven to rotate through the transmission shaft 2, a main shaft belt wheel 5 is fixedly connected at the right end of the transmission shaft 2, the main shaft belt wheel 5 is connected with a motor belt wheel 7 through a conveying belt 6, the motor belt wheel 7 is connected to the driving end of a power motor 8 through a motor shaft 801, an encoder 9 is arranged at the right end of an end cover of the direct-drive motor 1, the encoder 9 drives the transmission shaft 2 to do quantitative periodic motion, a motor rotor 10 is circumferentially installed between the tool pan 4 on the connecting sleeve 3 and the direct-drive motor, the left end of the cutter head 4 is fixedly provided with a front end cover 12, the right ends of the motor belt wheel 7 and the main shaft belt wheel 5 are provided with a rear end cover 13, and a box body 14 is fixed between the front end cover 12 and the rear end cover 13.
The encoder 9 comprises an encoding bottom plate 901, an encoding main belt wheel 902, an encoding mandrel 903, an encoding seat 904, an encoding pressing plate 905 and an encoding secondary belt wheel 906, wherein the encoding bottom plate 901 is fixedly installed on the right end face of an end cover of the direct-drive motor 1, the left end of the encoding main belt wheel 902 is movably installed at the right end of the encoding bottom plate 901 through a bearing, the encoding mandrel 903 penetrates through the axis of the encoding main belt wheel 902 to be connected to the left end of the encoding pressing plate 905, the encoding seat 904 is movably fixed on the outer side of the encoding mandrel 903 through a bearing, the encoding secondary belt wheel 906 is fixedly sleeved on the transmission shaft 2, and the encoding main belt wheel 902 and the encoding secondary.
The utility model discloses encoder 9 is incremental encoder 9, and the type is selected according to machine tool voltage and required resolution ratio to encoder 9 model usually, and common encoder 9 model is as follows: E6A2-CS5C or E6A2-CWZ5C of DC12-24V in E6A2 series, E6C2-CWZ5B of DC12-24V in E6C2 series and the like.
As shown in fig. 2, the locking device 11 includes a plurality of hydraulic cylinders 1101, a locking ring gear 1102 and an inner ring gear 1104, the inner ring gear 1104 is fixedly sleeved at the left end of the motor rotor 10, a locking groove 1105 is formed in the right end side of the inner ring gear 1104, the plurality of hydraulic cylinders 1101 are fixed around the inside of the box 14, the locking ring gear 1102 is movably sleeved on the outer side of the motor rotor 10, a guide latch 1103 is fixedly installed on the side surface of the locking ring gear 1102, the left end of the guide latch 1103 is higher than the left end of the locking ring gear 1102, the telescopic ends of the plurality of hydraulic cylinders 1101 are uniformly and symmetrically connected to the right side of the locking ring gear 1102 to push the locking ring gear 1102 to slide.
the working principle of the device is as follows: firstly, a motor belt wheel 7 is driven to rotate by a power motor 8, the motor belt wheel 7 drives a main shaft belt wheel 5 to rotate by a conveying belt 6, the main shaft belt wheel 5 drives a transmission shaft 2 to rotate, so that the front and back power output of the transmission shaft 2 is consistent, meanwhile, during tool changing action, a direct-drive motor 1 on the transmission shaft 2 drives a motor rotor 10 to rotate, so as to drive a cutter head 4 to rotate, the transmission shaft 2 stops rotating at regular time by the quantitative rotation of an encoder 9 during tool changing, a hydraulic cylinder 1101 is started to enable a guide bolt 1103 on a locking gear ring 1102 to slide leftwards into a locking groove 1105 of an inner gear ring 1104, the cutter head 4 is locked, tool changing is realized, after tool changing is finished, the hydraulic cylinder 1101 pulls back the guide bolt.
the utility model discloses carry out the transposition tool changing with directly driving motor 1 drive knife rest, power take off makes the power supply through band pulley transmission mode, makes knife rest overall structure inseparable, reduces the volume of knife rest, has reduced the noise that produces in the transmission, and because the reduction of volume makes manufacturing cost reduce.
The left end of the transmission shaft 2 extends out of the connecting sleeve 3 and is connected into the power cover 15, and the left end of the power cover 15 is fixedly arranged on the right side of the front end cover 12; an antifouling plug 402 is arranged at the outlet of a cutter socket 401 on the cutter head 4.
The utility model discloses providing power take off through motor power 8 in the band pulley transmission, rethread direct drive motor 1 realizes the transposition of tool changing, has guaranteed under the stable prerequisite of power take off, makes output power at the fore-and-aft unanimity of tool changing action, has avoided the transmission clearance because of the inconsistent production of power take off, has reduced the noise that the transmission clearance caused.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a power knife rest is directly driven to cavity formula, includes blade disc (4), transmission shaft (2) and directly drives motor (1), the fixed cover in transmission shaft (2) outside has connecting sleeve (3), directly drive motor (1) and install in connecting sleeve (3) interlude, blade disc (4) fixed mounting passes through transmission shaft (2) drive rotation, its characterized in that at connecting sleeve (3) left end: the tool changing device is characterized in that a spindle belt wheel (5) is fixedly connected to the right end of the transmission shaft (2), the spindle belt wheel (5) is connected with a motor belt wheel (7) through a transmission belt (6), the motor belt wheel (7) is connected to a driving end of a power motor (8) through a motor shaft (801), an encoder (9) is arranged at the right end of an end cover of a direct drive motor (1), the encoder (9) drives the transmission shaft (2) to do quantitative periodic motion, a motor rotor (10) is circumferentially arranged between a cutter head (4) and the direct drive motor (1) on the connecting sleeve (3), a locking device (11) is arranged on the outer side of the motor rotor (10), the locking device (11) is used for fixing the cutter head (4) during tool changing action, a front end cover (12) is fixedly installed at the left end of the cutter head (4), and a rear end cover (13), a box body (14) is fixed between the front end cover (12) and the rear end cover (13).
2. The hollow direct drive power tool rest according to claim 1, characterized in that: the encoder (9) comprises an encoding bottom plate (901), an encoding main belt wheel (902), an encoding mandrel (903), an encoding seat (904), an encoding pressing plate (905) and an encoding secondary belt wheel (906), wherein the encoding bottom plate (901) is fixedly installed on the right end face of an end cover of the direct drive motor (1), the left end of the encoding main belt wheel (902) is movably installed at the right end of the encoding bottom plate (901) through a bearing, the encoding mandrel (903) penetrates through the axis of the encoding main belt wheel (902) and is connected to the left end of the encoding pressing plate (905), the encoding seat (904) is movably fixed on the outer side of the encoding mandrel (903) through the bearing, the encoding secondary belt wheel (906) is fixedly sleeved on the transmission shaft (2), and the encoding main belt wheel (902) and the encoding secondary belt wheel (906) are connected and.
3. The hollow direct drive power tool rest according to claim 2, wherein: locking device (11) include a plurality of pneumatic cylinders (1101), locking ring gear (1102) and ring gear (1104), ring gear (1104) fixed cover is at electric motor rotor (10) left end, ring gear (1104) right-hand member side is opened has locking groove (1105), and is a plurality of pneumatic cylinder (1101) are fixed all around in box (14), locking ring gear (1102) movable sleeve is in electric motor rotor (10) outside, locking ring gear (1102) side fixed mounting has guide bolt (1103), guide bolt (1103) left end height is higher than locking ring gear (1102) left end height, and is a plurality of the even symmetric connection of the flexible end of pneumatic cylinder (1101) is in locking ring gear (1102) right side, promotes locking ring gear (1102) and slides left, guide bolt (1103) meshing is in locking groove (1105).
4. The hollow direct drive power tool rest according to claim 3, wherein: the left end of the transmission shaft (2) extends out of the connecting sleeve (3) to be connected into the power cover (15), and the left end of the power cover (15) is fixedly installed on the right side of the front end cover (12).
5. The hollow direct drive power tool rest according to claim 4, wherein: an anti-fouling plug (402) is installed at the outlet of the cutter socket (401) on the cutter head (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397833.4U CN209754539U (en) | 2019-03-27 | 2019-03-27 | Hollow direct-drive power knife rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397833.4U CN209754539U (en) | 2019-03-27 | 2019-03-27 | Hollow direct-drive power knife rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209754539U true CN209754539U (en) | 2019-12-10 |
Family
ID=68756520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920397833.4U Active CN209754539U (en) | 2019-03-27 | 2019-03-27 | Hollow direct-drive power knife rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209754539U (en) |
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2019
- 2019-03-27 CN CN201920397833.4U patent/CN209754539U/en active Active
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