CN202114272U - Hydraulic four-station tool rest - Google Patents
Hydraulic four-station tool rest Download PDFInfo
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- CN202114272U CN202114272U CN201120190747XU CN201120190747U CN202114272U CN 202114272 U CN202114272 U CN 202114272U CN 201120190747X U CN201120190747X U CN 201120190747XU CN 201120190747 U CN201120190747 U CN 201120190747U CN 202114272 U CN202114272 U CN 202114272U
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Abstract
The utility model provides a hydraulic four-station tool rest, which comprises a tool rest Z-direction sliding table, a tool rest X-direction sliding table, a four-station tool rest body, a hydraulic swing rotary cylinder and a tool rest X-direction servo motor. A vertical track groove is arranged on the tool rest Z-direction sliding table, a vertical ball screw is mounted in the vertical track groove, the tool rest X-direction sliding table is mounted in the vertical track groove, a screw hole is arranged on the tool rest X-direction sliding table, the vertical ball screw is penetratingly disposed in the screw hole, the tool rest X-direction servo motor drives the vertical ball screw, the hydraulic swing rotary cylinder is mounted on the tool rest X-direction sliding table, and the four-station tool rest body is mounted on a swing rotary shaft of the hydraulic swing rotary cylinder. The hydraulic four-station tool rest has the advantages of simple structure, high hydraulic locking torque and impact force resistance, stable steering tool changing, and high positioning precision and stability.
Description
Technical field
The utility model relates to a kind of lathe saddle, specifically, relates to a kind of hydraulic pressure four station knife rests of servo and fluid pressure linkage.
Background technology
The station electric driving tool post of lathe is normally by motor-driven locking, still, because of power of motor generally less; Locking torque is poor, when workpiece such as processing forging or foundry goods, because workpiece is excessive to the lathe saddle impulsive force; The knife rest station is difficult to locked, and this will influence the life-span and the machining accuracy of knife rest; In order to overcome above-mentioned technological deficiency, people are seeking a kind of desirable technical solution always.
Summary of the invention
The utility model is to the deficiency of prior art, provide a kind of simple in structure, hydraulic locking moment is big, anti-impact force strong, turn to the hydraulic pressure four station knife rests that tool changing is steady, positioning accuracy is high, stability is strong.
The technical scheme that the utility model adopted is following: a kind of hydraulic pressure four station knife rests; It comprises knife rest Z to slide unit, knife rest X to slide unit, four station tool holder body, hydraulic pressure swing rotary oil cylinder and knife rest X to servomotor; Said knife rest Z is provided with vertical rail groove to slide unit; In the said vertical rail groove vertical ball-screw is installed, said knife rest X is in slide unit is installed in said vertical rail groove, and said knife rest X is provided with lead screw hole to slide unit; Said vertical ball-screw is located in the said lead screw hole, and said knife rest X is to the said vertical ball-screw of driven by servomotor; Said hydraulic pressure swing rotary oil cylinder is installed in said knife rest X on slide unit, and said four station tool holder body are installed on the swing rotating shaft of said hydraulic pressure swing rotary oil cylinder.
Based on above-mentioned, said vertical ball-screw is installed in the said vertical rail groove through two groups of bearing blocks up and down, and said knife rest X is in slide unit is fastened on said vertical rail groove, and said knife rest X is provided with the ball-screw nut with lead screw hole to the rear side of slide unit.
Based on above-mentioned, said X is provided with slotted eye to the slide unit body, and said hydraulic pressure swing rotary oil cylinder is installed in the said slotted eye; Said hydraulic pressure swing rotary oil cylinder upper end is provided with the hollow locating shaft of axis hole and the setting of corresponding axis hole, and said swing rotating shaft outer end is passed said axis hole and said hollow locating shaft setting successively, and said hollow locating shaft is provided with external screw thread; The dowel hole that said four station tool holder body are provided with the locating shaft installing hole and axially are communicated with the locating shaft installing hole; Said hydraulic pressure swing rotary oil cylinder upper end is provided with four locating holes that are positioned on the same circle; Four locating holes can be corresponding with dowel hole respectively when different station; Back-moving spring and alignment pin are installed in the said dowel hole; Said back-moving spring upper end is fixed with said four station tool holder body, and top, said back-moving spring lower end is located at the top of said alignment pin, and the axial sides of said alignment pin is provided with bearing pin; Said hollow locating shaft is located in the locating shaft installing hole of said four station tool holder body; On the said hollow locating shaft main clutch seat is installed successively, is installed in main clutch, transmission clutch and transmission nut on the main clutch seat; The external screw thread of the corresponding said hollow locating shaft of said transmission nut is installed; Said transmission nut outside end face is connected with driver plate; Said transmission nut inner side end is provided with straight-tooth; Said transmission clutch outside end face is provided with the binding straight-tooth that cooperates with the straight-tooth transmission, and said transmission clutch inner side end is provided with the tooth inserted tooth, and said main clutch outside end face is provided with the clutch tooth inserted tooth that cooperates with the transmission of tooth inserted tooth; Said swing rotating shaft outer end is provided with axial keyway; Said driver plate is provided with the driver plate axis hole; Said driver plate shaft hole inner wall is provided with the keyway that endwisely slips that cooperates with the axial keyway transmission, and said swing rotating shaft outer end is installed in the driver plate axis hole of said driver plate; The axial sides of said main clutch is provided with the bearing pin groove of inclination along the circumferential direction, and said bearing pin outer end is arranged in the said bearing pin groove.
Based on above-mentioned; Said hydraulic pressure swing rotary oil cylinder comprise the tubular cylinder body, respectively be installed in tubular cylinder body upper and lower side oil cylinder loam cake and oil cylinder lower cover, be installed in fan annular cylinder partition in the tubular cylinder body, swing rotating shaft that the oil cylinder loam cake is stretched out in the outer end and be installed in the inner fan annular blade of swing rotating shaft; Wherein, Said swing rotating shaft the inner and said fan annular blade are installed in the said tubular cylinder body; The casing wall of said tubular cylinder body is provided with two oilholes, and two oilholes are provided with corresponding said fan annular cylinder partition both sides respectively.
Based on above-mentioned, on the said fan annular blade unsteady blade is installed, said unsteady blade is close to the setting of said tubular inboard wall of cylinder block.
Based on above-mentioned, said fan annular cylinder partition is provided with two grooves, and two grooves and said tubular inboard wall of cylinder block form two stealthy asphalt channels, two respectively corresponding two stealthy asphalt channel settings of oilhole.
Based on above-mentioned; Four station microswitches and fine motion origin switch are installed in the said slotted eye; Said hydraulic pressure swing rotary oil cylinder upper end is provided with two switch transmission feeler lever holes; Be respectively arranged with a transmission feeler lever in two switch transmission feeler lever holes; Said four station tool holder body inner side ends are provided with four station hole and initial point holes of being positioned on the same circle, and respectively corresponding said four station microswitches of transmission feeler lever one end in two switch transmission feeler lever holes and said fine motion origin switch are provided with, and the transmission feeler lever other end in two switch transmission feeler lever holes is respectively applied for corresponding station hole and the setting of initial point hole.
These hydraulic pressure four station knife rests drive the left-handed or dextrorotation swing of four station tool holder body, this four stations tool holder body Rotate Right tool changing through the swing rotating shaft that is connected with blade when the hydraulic driving oil cylinder intra vane; The left-handed again four station tool holder body that make of swing rotating shaft are locked; When workpiece such as processing forging or foundry goods, because of hydraulic locking moment is big, its anti-impact force is strong; Be beneficial to the raising of machining accuracy, be beneficial to the service life that prolongs knife rest; These hydraulic pressure four station knife rests can be used for the hand-operated direction valve operation, can be used for the manual crawl operation of solenoid directional control valve again, are mainly used in the numerical control hydraulic lathe, can be matched in heavy horizontal lathe, vertical lathe etc. again; That these hydraulic pressure four station knife rests have is simple in structure, hydraulic locking moment is big, anti-impact force is strong, turn to the advantage that tool changing is steady, positioning accuracy is high, stability is strong.
Description of drawings
Fig. 1 is the fragmentary top TV structure sketch map of the utility model;
Fig. 2 is that said knife rest Z is to slide unit, said vertical ball-screw, said ball-screw nut and the positional structure sketch map of said knife rest X between servomotor;
Fig. 3 is the assembly structure sketch map of the utility model;
Fig. 4 is the fractionation structural representation of the utility model;
Fig. 5 is the broken section structural representation of said hydraulic pressure swing rotary oil cylinder;
Fig. 6 is the structural representation of said main clutch.
The specific embodiment
For the characteristics of the utility model further are described, combine accompanying drawing to provide the specific embodiment at present:
Like Fig. 1--shown in Figure 6; A kind of hydraulic pressure four station knife rests; It comprises knife rest Z to slide unit 23, knife rest X to slide unit 22, four station tool holder body 10, hydraulic pressure swing rotary oil cylinder and knife rest X to servomotor 26, wherein, said knife rest Z is provided with vertical rail groove 24 to slide unit 23; Vertical ball-screw 25 is installed in the said vertical rail groove 24; Said vertical ball-screw 25 is installed in the said vertical rail groove 24 through two groups of bearing blocks 27 up and down, and said knife rest X is in slide unit 22 is fastened on said vertical rail groove 24, and said knife rest X is provided with the ball-screw nut 28 with lead screw hole 29 to the rear side of slide unit 22; Said vertical ball-screw 25 is located in the said lead screw hole 29, and said knife rest X drives said vertical ball-screw 25 positive and negative rotations to servomotor 26 through driving-belt; At knife rest X under the effect of servomotor 26, vertical ball-screw 25 and ball-screw nut 28, but knife rest X move at knife rest Z easy on and off to the vertical rail groove 24 of slide unit 23 in to slide unit 22, the X that has promptly realized hydraulic pressure four station knife rests is to SERVO CONTROL;
Said hydraulic pressure swing rotary oil cylinder is installed in said knife rest X on slide unit 22, and said four station tool holder body 10 are installed on the swing rotating shaft of said hydraulic pressure swing rotary oil cylinder; Along with the motion that hydraulic pressure is swung the swing rotating shaft of rotary oil cylinder, four station tool holder body 10 can realize the rotation exchange of four station cutters, have promptly realized the left-handed tool changing dextrorotation locking hydraulic rotating control of hydraulic pressure four station knife rests.
Specifically; Said hydraulic pressure swing rotary oil cylinder comprise tubular cylinder body 2, respectively be installed in tubular cylinder body 2 upper and lower sides oil cylinder loam cake 8 and oil cylinder lower cover 1, be fixed on fan annular cylinder partition 6 in the tubular cylinder body 2, swing rotating shaft 5 that oil cylinder loam cake 8 is stretched out in the outer end and be fixed on the inner fan annular blade 4 of swing rotating shaft 5; Wherein, Said swing rotating shaft 5 the inners and said fan annular blade 4 are movably arranged in the said tubular cylinder body 2, and the casing wall of said tubular cylinder body 2 is provided with two oilholes (18,19); Two oilholes (18,19) corresponding said fan annular cylinder partition 6 both sides respectively are provided with;
Said fan annular cylinder partition 6 tops are fixed on said oil cylinder loam cake 8 lower surfaces; Two fan ring end faces of said fan annular cylinder partition 6 are close to said tubular cylinder body 2 inwalls and said swing rotating shaft 5 respectively and are formed hermetically-sealed construction, and the both ends of the surface up and down of said fan annular cylinder partition 6 are close to said oil cylinder loam cake 8 and said oil cylinder lower cover 1 respectively and are formed hermetically-sealed construction;
The both ends of the surface up and down of said fan annular blade 4 are close to said oil cylinder loam cake 8 and said oil cylinder lower cover 1 respectively and are formed hermetically-sealed construction; The fan ring outer face of said fan annular blade 4 and said tubular cylinder body 2 inwalls are close to and are formed hermetically-sealed construction; Further; The blade 3 that floats is installed on the said fan annular blade 4; Said unsteady blade 3 is close to said tubular cylinder body 2 inwall settings, and said unsteady blade 3 makes the sealing of fan ring outer face and said tubular cylinder body 2 inwalls of said fan annular blade 4 more tight;
Said fan annular cylinder partition 6 is provided with two grooves, and the inwall of two grooves and said tubular cylinder body 2 forms two stealthy asphalt channels, respectively corresponding two the stealthy asphalt channel settings of two oilholes (18,19); Stealthy asphalt channel is beneficial to turnover hydraulic oil, and the move angle of fan annular blade 4 is increased.
Said knife rest X is provided with slotted eye 7 to slide unit 22, and said hydraulic pressure swing rotary oil cylinder is installed in the said slotted eye 7, specifically is that said oil cylinder loam cake 8 is through being bolted in the said slotted eye 7;
Said oil cylinder loam cake 8 is provided with the hollow locating shaft 81 of axis hole and the setting of corresponding axis hole, and said swing rotating shaft 5 outer ends pass said axis hole successively and said hollow locating shaft 81 is provided with, and said hollow locating shaft 81 is provided with reverse external screw thread 82;
The dowel hole 101 that said four station tool holder body 10 are provided with locating shaft installing hole 102 and axially are communicated with locating shaft installing hole 102; Said oil cylinder loam cake 8 is provided with four 9, four locating holes 9 of locating hole that are positioned on the same circle can be corresponding with dowel hole 101 respectively when different station; Back-moving spring and alignment pin 13 are installed in the said dowel hole 101; Said back-moving spring upper end is fixing with said four station tool holder body 10; Top, said back-moving spring lower end is located at the top of said alignment pin 13, and the axial sides of said alignment pin 13 is provided with bearing pin 14;
Said hollow locating shaft 81 is located in the locating shaft installing hole 102 of said four station tool holder body 10; The transmission nut 16 that is set with the main clutch seat 11 with installing hole, main clutch 12, transmission clutch 15 on the said hollow locating shaft 81 successively and has installing hole with installing hole with installing hole; And main clutch 12 is installed on the main clutch seat 11; The external screw thread 82 of said transmission nut 16 corresponding said hollow locating shafts 81 is installed; Said transmission nut 16 outside end faces are fixedly connected with driver plate 17; Said transmission nut 16 inner side ends are provided with straight-tooth; Said transmission clutch 15 outside end faces are provided with the binding straight-tooth that cooperates with the straight-tooth transmission, and said transmission clutch 15 inner side ends are provided with the tooth inserted tooth, and said main clutch 12 outside end faces are provided with the clutch tooth inserted tooth 122 that cooperates with the transmission of tooth inserted tooth; Said swing rotating shaft 5 outer ends are provided with axial keyway; Said driver plate 17 is provided with the driver plate axis hole; Said driver plate shaft hole inner wall is provided with the keyway that endwisely slips that cooperates with the axial keyway transmission, and said swing rotating shaft 5 outer ends are installed in the driver plate axis hole of said driver plate 17; The axial sides of said main clutch 12 is provided with the bearing pin groove 121 of inclination along the circumferential direction, and said bearing pin 14 outer ends are arranged in the said bearing pin groove 121;
During work, said hydraulic pressure swing rotary oil cylinder rotates said swing rotating shaft 5 under the driving of hydraulic oil; Then, swing rotating shaft 5 drives driver plate 17, transmission nut 16 rotations, and transmission nut 16 is in case rotation; That is, transmission nut 16 will be along external screw thread 82 rotations of hollow locating shaft 81, simultaneously; Transmission nut 16 is moved axially along hollow locating shaft 81, and drive driver plate 17 endwisely slip along swing rotating shafts 5; Then, transmission nut 16 moves axially along hollow locating shaft 81, and transmission nut 16 and transmission clutch 15 will be linked; And then; Transmission nut 16 rotations will drive transmission clutch 15 rotations, and simultaneously, transmission nut 16 will promote transmission clutch 15 and move axially along hollow locating shaft 81; Then, transmission clutch 15 is combined with main clutch 12, and transmission clutch 15 drive main clutch 12 rotations; Main clutch 12 rotation with the bearing pins 14 in the bearing pin groove 121 are moved upward, and moves upward alignment pin 13, and is final, makes the lower end 131 of alignment pin 13 break away from the locating hole 9 of oil cylinder loam cakes 8; At this moment; Four station tool holder body 10 also are that hydraulic pressure swing rotary oil cylinder breaks away from positioning relation with oil cylinder loam cake 8, and in other words, main clutch 12 continues rotation; Bearing pin groove 121 tops will stumble the bearing pin 14 of alignment pin 13; That is, at main clutch 12, be positioned under the effect of alignment pin 13 of four station tool holder body 10, will make 10 rotations of four station tool holder body; Then, four station tool holder body 10 rotate to second station, swing rotating shaft 5 backward rotation; Then driver plate 17, transmission nut 16, transmission clutch 15 reverse rotations are also axially retreated, and then, transmission clutch 15 is separated with main clutch 12; Then main clutch 12 stops the rotation, and four station tool holder body 10 stop operating, at this moment; Swing rotating shaft 5 stops backward rotation; And alignment pin 13 falls after rise under action of reset spring, makes the lower end 131 of alignment pin 13 get into the locating hole 9 that is positioned at second station, makes between four station tool holder body 10 and the oil cylinder loam cake 8 locked; Be transformed into third and fourth station like need, repeat above-mentioned steps and get final product.
Based on above-mentioned; Four station microswitches 20 and fine motion origin switch 21 are installed in the slotted eye 7 of said four station tool holder body 10; Said oil cylinder loam cake 8 is provided with two switch transmission feeler lever holes; Be respectively arranged with a transmission feeler lever in two switch transmission feeler lever holes; Said four station tool holder body, 10 inner side ends are provided with four station hole and initial point holes of being positioned on the same circle, and the corresponding said respectively four station microswitches 20 of transmission feeler lever one end in two switch transmission feeler lever holes are provided with said fine motion origin switch 21, and the transmission feeler lever other end in two switch transmission feeler lever holes is respectively applied for corresponding station hole and the setting of initial point hole; The transmission feeler lever other end is smooth nose circle; Station hole and initial point hole all are smooth smaller part circular holes; When the rotation of four station tool holder body 10, the transmission feeler lever other end can come in and go out easily station hole and initial point hole are so that detect the station information of four station tool holder body 10.
During the rotation of four station tool holder body 10, the every entering station of transmission feeler lever other end hole once, four station tool holder body 10 are just revolved and are turn 90 degrees; Fine motion origin switch 21 and initial point hole are set, and are in order to confirm the initial point tool change position, to be beneficial to the digital control system programming; When being cut to terminal point when knife rest Z axle feed and to workpiece, digital control system is sent instruction, and knife rest X returns the initial point of setting to slide unit; At this moment, open the reversing solenoid valve that leads to hydraulic pressure swing rotary oil cylinder, hydraulic oil gets into hydraulic pressure swing rotary oil cylinder and drives the interior fan annular blade of tubular cylinder body and makes it to rotate; And drive the rotation of four station tool holder body 10; At this moment, microswitch skid off in the hole promptly get electric, to get in the another one hole be dead electricity again, four station tool holder body 10 Rotate Right tool changing at this moment; Under the control of digital control system; Send instruction to reversing solenoid valve, the hydraulic pressure swing rotary oil cylinder left-handed locking four station tool holder body 10 that commutate, the X that has at this moment just realized hydraulic pressure four station knife rests to servo and Z to fluid pressure linkage.
What need to specify is, in the utility model, Z to X to, lathe relatively, refer to horizontal and vertically respectively, workpiece to be machined refers to vertical and horizontal respectively relatively.
Should be noted that at last: above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although with reference to preferred embodiment the utility model has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can make amendment to the specific embodiment of the utility model perhaps is equal to replacement to the part technical characterictic; And not breaking away from the spirit of the utility model technical scheme, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (7)
1. hydraulic pressure four station knife rests; It is characterized in that: it comprise knife rest Z to slide unit, knife rest X to slide unit, four station tool holder body, hydraulic pressure swing rotary oil cylinder and knife rest X to servomotor; Said knife rest Z is provided with vertical rail groove to slide unit; In the said vertical rail groove vertical ball-screw is installed, said knife rest X is in slide unit is installed in said vertical rail groove, and said knife rest X is provided with lead screw hole to slide unit; Said vertical ball-screw is located in the said lead screw hole, and said knife rest X is to the said vertical ball-screw of driven by servomotor; Said hydraulic pressure swing rotary oil cylinder is installed in said knife rest X on slide unit, and said four station tool holder body are installed on the swing rotating shaft of said hydraulic pressure swing rotary oil cylinder.
2. hydraulic pressure four station knife rests according to claim 1; It is characterized in that: said vertical ball-screw is installed in the said vertical rail groove through two groups of bearing blocks up and down; Said knife rest X is in slide unit is fastened on said vertical rail groove, and said knife rest X is provided with the ball-screw nut with lead screw hole to the rear side of slide unit.
3. hydraulic pressure four station knife rests according to claim 1 and 2, it is characterized in that: said X is provided with slotted eye to the slide unit body, and said hydraulic pressure swing rotary oil cylinder is installed in the said slotted eye; Said hydraulic pressure swing rotary oil cylinder upper end is provided with the hollow locating shaft of axis hole and the setting of corresponding axis hole, and said swing rotating shaft outer end is passed said axis hole and said hollow locating shaft setting successively, and said hollow locating shaft is provided with external screw thread; The dowel hole that said four station tool holder body are provided with the locating shaft installing hole and axially are communicated with the locating shaft installing hole; Said hydraulic pressure swing rotary oil cylinder upper end is provided with four locating holes that are positioned on the same circle; Four locating holes can be corresponding with dowel hole respectively when different station; Back-moving spring and alignment pin are installed in the said dowel hole; Said back-moving spring upper end is fixed with said four station tool holder body, and top, said back-moving spring lower end is located at the top of said alignment pin, and the axial sides of said alignment pin is provided with bearing pin; Said hollow locating shaft is located in the locating shaft installing hole of said four station tool holder body; On the said hollow locating shaft main clutch seat is installed successively, is installed in main clutch, transmission clutch and transmission nut on the main clutch seat; The external screw thread of the corresponding said hollow locating shaft of said transmission nut is installed; Said transmission nut outside end face is connected with driver plate; Said transmission nut inner side end is provided with straight-tooth; Said transmission clutch outside end face is provided with the binding straight-tooth that cooperates with the straight-tooth transmission, and said transmission clutch inner side end is provided with the tooth inserted tooth, and said main clutch outside end face is provided with the clutch tooth inserted tooth that cooperates with the transmission of tooth inserted tooth; Said swing rotating shaft outer end is provided with axial keyway; Said driver plate is provided with the driver plate axis hole; Said driver plate shaft hole inner wall is provided with the keyway that endwisely slips that cooperates with the axial keyway transmission, and said swing rotating shaft outer end is installed in the driver plate axis hole of said driver plate; The axial sides of said main clutch is provided with the bearing pin groove of inclination along the circumferential direction, and said bearing pin outer end is arranged in the said bearing pin groove.
4. hydraulic pressure four station knife rests according to claim 3; It is characterized in that: said hydraulic pressure swing rotary oil cylinder comprise the tubular cylinder body, respectively be installed in tubular cylinder body upper and lower side oil cylinder loam cake and oil cylinder lower cover, be installed in fan annular cylinder partition in the tubular cylinder body, swing rotating shaft that the oil cylinder loam cake is stretched out in the outer end and be installed in the inner fan annular blade of swing rotating shaft; Wherein, Said swing rotating shaft the inner and said fan annular blade are installed in the said tubular cylinder body; The casing wall of said tubular cylinder body is provided with two oilholes, and two oilholes are provided with corresponding said fan annular cylinder partition both sides respectively.
5. hydraulic pressure four station knife rests according to claim 4 is characterized in that: on the said fan annular blade unsteady blade is installed, said unsteady blade is close to the setting of said tubular inboard wall of cylinder block.
6. according to claim 4 or 5 described hydraulic pressure four station knife rests; It is characterized in that: said fan annular cylinder partition is provided with two grooves; Article two, groove and said tubular inboard wall of cylinder block form two stealthy asphalt channels, two respectively corresponding two stealthy asphalt channel settings of oilhole.
7. hydraulic pressure four station knife rests according to claim 3; It is characterized in that: four station microswitches and fine motion origin switch are installed in the said slotted eye; Said hydraulic pressure swing rotary oil cylinder upper end is provided with two switch transmission feeler lever holes; Be respectively arranged with a transmission feeler lever in two switch transmission feeler lever holes; Said four station tool holder body inner side ends are provided with four station hole and initial point holes of being positioned on the same circle; Respectively corresponding said four station microswitches of transmission feeler lever one end in two switch transmission feeler lever holes and said fine motion origin switch are provided with, and the transmission feeler lever other end in two switch transmission feeler lever holes is respectively applied for corresponding station hole and the setting of initial point hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120190747XU CN202114272U (en) | 2011-06-08 | 2011-06-08 | Hydraulic four-station tool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120190747XU CN202114272U (en) | 2011-06-08 | 2011-06-08 | Hydraulic four-station tool rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202114272U true CN202114272U (en) | 2012-01-18 |
Family
ID=45455370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120190747XU Expired - Lifetime CN202114272U (en) | 2011-06-08 | 2011-06-08 | Hydraulic four-station tool rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202114272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205426A (en) * | 2011-06-08 | 2011-10-05 | 齐凤尚 | Hydraulic four-station knife rest |
| CN110369604A (en) * | 2019-07-10 | 2019-10-25 | 上海道申自动化设备有限公司 | Flexible multistation blanking units and method |
-
2011
- 2011-06-08 CN CN201120190747XU patent/CN202114272U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205426A (en) * | 2011-06-08 | 2011-10-05 | 齐凤尚 | Hydraulic four-station knife rest |
| CN102205426B (en) * | 2011-06-08 | 2013-04-17 | 齐凤尚 | Hydraulic four-station knife rest |
| CN110369604A (en) * | 2019-07-10 | 2019-10-25 | 上海道申自动化设备有限公司 | Flexible multistation blanking units and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120118 Effective date of abandoning: 20130417 |
|
| RGAV | Abandon patent right to avoid regrant |