CN201745121U - Plastic door and window cross-shaped corner cleaning machine - Google Patents
Plastic door and window cross-shaped corner cleaning machine Download PDFInfo
- Publication number
- CN201745121U CN201745121U CN2010202270568U CN201020227056U CN201745121U CN 201745121 U CN201745121 U CN 201745121U CN 2010202270568 U CN2010202270568 U CN 2010202270568U CN 201020227056 U CN201020227056 U CN 201020227056U CN 201745121 U CN201745121 U CN 201745121U
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- head
- headstock
- frame
- heads
- conveyer belt
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Abstract
The utility model relates to a plastic door and window cross-shaped corner cleaning machine which comprises a frame, a head seat, heads, a head positioning device and a workpiece fixing device and is characterized in that four heads, one head seat and one link mechanism form one head assembly, four pairs of radial slide rails are evenly distributed on the upper surface of the head seat along the circumferential direction and each head is installed on one pair of slide rails in a sliding way through sliding grooves at the bottom end; the bottom parts of the four heads are connected with the link mechanism which can drive the heads to synchronously translate along the slide rails; and a workbench used for supporting a workpiece is respectively installed between every two heads of the four heads, the workbenches are perpendicular to each other and the workbenches are connected with the upper surface of the head seat. Since the link mechanism is used for connecting the four heads, once the workpiece is fixed on the workbench, all kinds of cutters of the four heads can be used for respectively cleaning the cross-shaped and V-shaped overlaps of the workpiece. Thereby, the utility model has the advantages that the workpiece is not required to be transformed for a plurality of times and the work efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of corner-clearing-up apparatus of plastic door-window, is mainly used in the cross overlap and the V-arrangement overlap of removing reason plastic door-window cross welding position and the formation of T shape welding position.
Background technology
Prior art mainly is manually with special-purpose perching knife its overlap to be rooted out when removing cross and V-arrangement overlap, roots out back section bar surface irregularity, and is very not attractive in appearance.Also having is exactly the overlap of going to clear up the cross position with single head V-type angle-cleaning machine, because each cross overlap is cleared up other one side conversely with window after need having cleared up one side, owing to adopted the location twice, so be easy to cause the weld seam two sides cleared up not point-blank after having cleared up, butted part has tangible dislocation, does not reach expected effect.And single head V-type angle-cleaning machine does not have milling cutter and slotting tool yet, can not clear up interior angle groove and weld seam, also needs artificial cleaning in addition.Machine gets up also very loaded down with trivial details in adjustment, greatly reduce operating efficiency.
Summary of the invention
The utility model to be at the existing equipment resetting with the enumeration problem that solves, the repeatedly weld cleaning dislocation that causes of cleaning, and adopt milling cutter that the interior angle overlap is cleaned out also has down that slotting tool cleans out inside fillet, does not need manually to go other cleaning again.At the window that varies in size, two fuselages can navigate to the position of cleaning automatically, do not need a dead lift window in addition, reduce labor strength, the not attractive in appearance and inefficient drawback of window that has cleared before also having solved.
The technical solution of the utility model is: comprise frame, headstock, head, head positioning device and Work fixing device, headstock is slidingly mounted on the track of frame, head is installed on the headstock, between this frame and headstock, head positioning device is installed, Work fixing device is housed on head, it is characterized in that, by four described heads, a described headstock and a link gear are formed a nose assembly, be uniformly distributed with four pairs of slide rails radially on described headstock along the circumference, each this head all is slidingly mounted on a pair of this slide rail by the chute of bottom; The bottom of four heads all can drive each head and is connected along the link gear of the synchronous translation of its slide rail with one; A workbench that is used for supporting workpiece respectively is housed between four these heads, and each workbench is vertical mutually, and is connected above the described headstock.
Described link gear comprises rotating disk, turntable shaft, connecting rod and rotating blade drive, turntable shaft vertically is rotatably installed on this headstock, the center of the upper end fixed installation rotating disk of turntable shaft, four peripheral uniform positions of this rotating disk are corresponding hinged with the bottom of a head by a connecting rod respectively; Rotating blade drive is equipped with in lower end at this turntable shaft.
Described rotating blade drive comprises that rotating disk drives cylinder, rack and pinion, and gear is installed on this turntable shaft, and is connected the tooth bar that rotating disk drives the cylinder piston rod top with coaxial line and is meshed, and this rotating disk drives cylinder and is installed on the described headstock.
Described head comprises fixed board, interior angular cutter, goes up push broach, following push broach and unsteady slotting tool, the lower end of fixed board is slidingly mounted on the slide rail above the described headstock by described chute, is equipped with on the top of fixed board by interior angular cutter air cylinder driven, the interior angular cutter that can move up and down; Be equipped with on the fixed board on interior angular cutter next door by on the push broach air cylinder driven, can move radially on push broach; On this push broach below fixed board on be equipped with by following push broach air cylinder driven, the following push broach that can move radially; On the fixed board on this time push broach next door, be equipped with by the active slotting-tool air cylinder driven of floating downward, the unsteady slotting tool that can move radially and fluctuate.
Described Work fixing device comprises holding pad, holding pad cylinder and material folding plate, is equipped with on the top of described fixed board by holding pad air cylinder driven, the holding pad that can radially move, and the material folding plate is housed on the fixed board below this holding pad.
The described active slotting-tool of floating downward comprises cutter head, cutter head fixed mount, slotting tool frame, sliding axle, spring and base, in the base mouth of spill, support two sliding axles between the both sides, the bottom of slotting tool frame is installed on this sliding axle by sliding bearing, between the side spring is housed in the spill mouth of side of slotting tool frame and base; The cutter head fixed mount is installed in the gap of the upper end of slotting tool frame, cutter head is installed in the outside of this cutter head fixed mount.
Described head positioning device comprises motor, cylinder is regulated in band, synchromesh gear and location synchronously, the two ends of band are connected the two ends of described frame synchronously, motor is fixed on the location-plate that is slidingly connected with described headstock, and the output shaft of motor is by synchromesh gear and band engagement synchronously; Between this location-plate and headstock, be connected the two ends that cylinder is regulated in the location respectively.
Workpiece is housed on described frame to be transmitted and lowering or hoisting gear, this workpiece transmits and lowering or hoisting gear comprises riser guide, crane, lift cylinder, conveyer belt, power transmission shaft, synchronous pulley, motor, tape handler and conveyer belt joist, riser guide vertically is installed in the bottom of described frame, the bottom of crane is slidingly mounted on this riser guide, the two ends on the top of this crane respectively be provided with two parallel, the conveyer belt joist of level, top at this conveyer belt joist is provided with groove, rotational support power transmission shaft between two these conveyer belt joists is all installed synchronous pulley in this groove at these conveyer belt joist two ends; This synchronous pulley of conveyer belt joist one end is driven by tape handler by the motor that is installed on the joist; Conveyer belt is to be with synchronously, is connected between the synchronous pulley at conveyer belt joist two ends; Lift cylinder vertically is installed between this frame and crane.
Described nose assembly is one group or two groups, all is slidingly mounted on the same described frame, and moving with accurately locating of nose assembly all undertaken by described head positioning device.
The utility model has the advantages that: four heads connect by link gear, four of a nose assembly head synchronous interactions are clamped in window (workpiece) on the workbench during work, and utilize the various cutters of four heads respectively the cross of workpiece and each the bar overlap and the weld seam of V-arrangement to be cleared up, window does not need to move once more window behind the location, has improved operating efficiency greatly; Window transmits automatically and the setting of lowering or hoisting gear also can constitute the door and window automatic production line, has improved the overall automatization level that door and window is produced, for scale, automated production are laid a good foundation.
Description of drawings
Fig. 1 is a general structure side schematic view of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a left side (right side) view (broken section) of Fig. 1;
Fig. 4 is the structural front view of transmission of the utility model workpiece and lowering or hoisting gear;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the float downward sectional structure schematic diagram (the B-B cutaway view of Fig. 7) of active slotting-tool of the utility model;
Fig. 7 is the A-A cutaway view of Fig. 6;
Fig. 8 is the schematic diagram of the weld seam that has the inclined-plane of workpiece (part);
Fig. 9 is a kind of structural representation that has V-arrangement and cross-wire weld tailor part (doorframe or window frame).
The specific embodiment
Referring to Fig. 1～Fig. 8, the utility model comprises frame 0, headstock 25, head 2, head positioning device A and Work fixing device, headstock 25 is slidingly mounted on the track 5 of frame 0, head 2 is installed on the headstock 25, between this frame 0 and headstock 25, head positioning device is installed, on head 2, Work fixing device is housed.It is characterized in that, form a nose assembly C by four described heads 2, a described headstock 25 and a link gear B, be uniformly distributed with four pairs of slide rails 4 radially on described headstock 25 along the circumference, each this head 2 all is slidingly mounted on a pair of slide rail 4 by the chute 3 of bottom.Can drive each head 2 by one between the bottom of four heads 2 connects along the link gear B of slide rail 4 synchronous translations.Vertical mutually between 17, four workbench 17 of workbench that are used for supporting workpiece (extended line intersects and is cross) respectively is being housed between four heads 2 of a nose assembly C, and be connected described headstock 25 above, be used for supporting workpiece.
Described link gear B comprises rotating disk 20, turntable shaft 15, connecting rod 16 and rotating blade drive, turntable shaft 15 vertically is rotatably installed on this headstock 25, the center of the upper end fixed installation rotating disk 20 of turntable shaft 15, four peripheral uniform positions of rotating disk 20 are by the four hinged connecting rods 16 and the bottom-hinged of four heads 2; Rotating blade drive is equipped with in lower end at this turntable shaft 15.
Described rotating blade drive comprises that rotating disk drives cylinder 7, tooth bar 8 and gear 10, gear 10 is installed on this turntable shaft 15, gear 10 is meshed with the tooth bar 8 that coaxial line is connected the piston rod top of rotating disk driving cylinder 7, and the cylinder body that this rotating disk drives cylinder 7 is installed on the described headstock 25.Fairlead 9 is housed on tooth bar 8, fairlead 9 be fixed on described headstock 25 above.Link gear B is when work, rotating disk drives cylinder 7 and rotates by tooth bar 8 driven gears 10, gear 10 drives rotation rotating disk 20 and rotates synchronously, rotating disk 20 drives four heads 2 along slide rail 4 synchronous translations (radiuses of four head 2 place circumference of synchronous change) by four connecting rods 16, four heads 2 are met or dispersion, with convenience workpiece loading and unloading on workbench 17, when four heads 2 are met, be beneficial to the Work fixing device fixation workpiece (Work fixing device is referring to the explanation of back) on the head 2.
Described head 2 comprises fixed board 23, interior angular cutter 1, goes up push broach 14, push broach 18 and unsteady slotting tool 19 down, and the lower end of fixed board 23 is slidingly mounted on the slide rail 4 above the described headstock by described chute 4.The interior angular cutter 1 that is driven, can be moved up and down by interior angular cutter cylinder 21 is housed on the top of fixed board 23; Be equipped with on the fixed board 23 on interior angular cutter 1 next door by on push broach cylinder 22 drive, can move radially on push broach 14; On this push broach 14 below fixed board 23 on the following push broach 18 that is driven, can be moved radially by following push broach cylinder 26 is housed; The unsteady slotting tool 19 that is driven, can be moved radially and fluctuate by the active slotting-tool cylinder 24 of floating downward is housed on the fixed board 23 on this time push broach 18 next doors.
Referring to Fig. 1, described Work fixing device comprises holding pad 28, holding pad cylinder 27 and material folding plate 29, on the top of described fixed board 23 holding pad 28 that is driven, can radially be moved by holding pad cylinder 27 is installed, material folding plate 29 is housed on the fixed board below this holding pad 28 23.During work, be beneficial to holding pad cylinder 27 drive holding pads 28 and move radially workpiece clamp between holding pad 28 and material folding plate 29, to carry out angle processing clearly.
The described active slotting-tool 19 of floating downward comprises cutter head 41, cutter head fixed mount 42, slotting tool frame 44, sliding axle 45, spring 47 and base 48, two parallel sliding axles 45 of support between the both sides in the mouth of the base 48 of spill, the bottom of slotting tool frame 44 is installed on this sliding axle 45 (sliding axle 45 and sliding bearing 46 for two covers) up and down by sliding bearing 46, between the side spring 47 (between slide down moving axis 45) is housed in the spill mouth of side of slotting tool frame 44 lower ends and base 48; In the gap of the upper end of slotting tool frame 44, cutter head fixed mounts 42 are installed by cutter head axle 43, this structure is for cutter head fixed mount 42 can be free to slide on cutter head axle 43, purpose is for when clearing up the interior angle overlap, the section bar interior angle overlap that has has an angle that makes progress sideling, when slotting tool was upwards cleared up, slotting tool compression this moment spring moved backward.If cutter head fixed mount 42 can not be free to slide on cutter head axle 43, the slotting tool head will upwards inject in the section bar so, causes section bar to damage.Cutter head 41 is installed in the outside at this cutter head fixed mount 42.The slotting tool frame 44 of this active slotting-tool 19 of floating downward can float along sliding axle 45 under the effect of spring 47, its cutter head 41 also just can float along with the inclined-plane of workpiece P interior angle upper end, can follow the tracks of the weld seam N (inclination interior angle) on inclined-plane, the interior angle overlap (referring to Fig. 8) of effectively removing the differing tilt angles inclined-plane.
Described head positioning device A comprises motor 12, is with 13 synchronously, cylinder 11 is regulated in synchromesh gear (not shown) and location, be connected the two ends of described frame 0 synchronously with 13 two ends, motor 12 is fixed on the location-plate 36 that is slidingly connected with described headstock 25, and the output shaft of motor 12 is with 13 engagements synchronously by synchromesh gear and this.Between this location-plate 36 and headstock 25, be connected the two ends that cylinder 11 is regulated in the location respectively.It is two that cylinder 11 is regulated in the location, coaxial being symmetrical arranged, and axially the length direction with the track 5 of frame 0 is identical.During work, motor 12 drives synchromesh gear (also can increase drive and support wheel as required) and is with 13 to relatively move synchronously, makes nose assembly C move along the track on the frame 5, and nose assembly C is carried out Primary Location; Regulating 11 couples of nose assembly C of cylinder by the location then accurately locatees.The location comprises the location of a nose assembly C and the distance location (with the location of aiming at of two pads on the door and window) between two nose assembly C.
Referring to Fig. 4 and Fig. 5, workpiece is housed on described frame 0 to be transmitted and lowering or hoisting gear, this device comprises riser guide 34, crane 35, lift cylinder 33, conveyer belt 31, power transmission shaft 39, synchronous pulley 38, motor 36, tape handler 37 and conveyer belt joist 32, riser guide 34 vertically is installed in the bottom of described frame 0, the bottom of crane 35 is slidingly mounted on this riser guide 34, the two ends on the top of this crane 35 respectively be provided with two parallel, the conveyer belt joist 32 of level, (power transmission shaft 39 rotational support are between two conveyer belt joists 32 in the groove on the top of this conveyer belt joist 32 synchronous pulley 38 that is connected with power transmission shaft 39 to be housed, synchronous pulley 38 is all installed at two ends at joist 32, the synchronous pulley 38 (driving wheel) of these conveyer belt joist 32 1 ends is driven by tape handler 37 by the motor 36 that is installed on the conveyer belt joist 32, and conveyer belt (band synchronously) 31 is connected between the synchronous pulley 38 at conveyer belt joist 32 two ends; Lift cylinder 33 vertically is installed between this frame 0 and crane 35.This workpiece transmits and lowering or hoisting gear is used to form automatic production line.
The utility model is when work, workpiece (the door and window of a last welding sequence, referring to Fig. 9) P carries (or manual installation) top to two nose assembly C that had good positioning according to the distance the X of stile in two crosses of door and window by conveyer belt 31, each head 2 of each nose assembly C is driven by link gear B and scatters mutually, the bin 35 that rises of lowering or hoisting gear is fallen, workpiece is placed on the workbench 17, drives four heads, the 2 synchronous gathering embedding clamping of workpieces that make each nose assembly C by link gear B; Angular cutter 1 lengthwise movement in interior then angular cutter cylinder 21 drives, angle plane in the clear workpiece, interior angular cutter cylinder 21 is return, holding pad 28 extends radially out, and reaches the top of section bar in order to make holding pad, after holding pad stretches out and puts in place, interior angular cutter cylinder 21 descends once more, make the upper surface of holding pad 28 workpiece pressings, the slotting tool cylinder 24 that floats drives slotting tool 19 work of floating, and withdraws from behind the clear workpiece interior angle facade; Upper and lower then push broach 14 and 18 feedings simultaneously, lower plane 1/4th cross-wire weld knurls on the planing part so far, are finished the reset procedure of a cross (stile in the cross) X weld overlap, and each head 2 carries out one by one in regular turn in this process.Then, rising bin 35 rises, two nose assembly C reorientate the V angle at two ends (mark V place) clearly, rise bin 35 after finish the location and descend, four head 2 synchronous embedding clamping of workpieces, the binder cylinder 27 at two ends stretches out, one end is finished the work of cleaning V fillet welding knurl by two heads 2, rise bin 35 then, hold up clear good workpiece (door and window), by being with 31 to output to subsequent processing synchronously.All work is sent by PLC and is instructed control automatically to finish.This equipment projecting point: four head embeddings synchronously are tight and unclamp, push broach on the angular cutter in the transmission cylinder of upper part of head section drives, can finish the cleaning work of inner plane and the overlap of last plane, the transmission cylinder of head lower part drives float slotting tool and following push broach, can finish the cleaning work of lower plane and facade overlap, especially descend the overlap of facade, by unsteady slotting tool cleaning, its feature is the overlap that can clear up the different angles facade.
Claims (9)
1. cross angle-cleaning machine for plastic doors and windows, comprise frame, headstock, head, head positioning device and Work fixing device, headstock is slidingly mounted on the track of frame, head is installed on the headstock, between this frame and headstock, head positioning device is installed, Work fixing device is housed on head, it is characterized in that, by four described heads, a described headstock and a link gear are formed a nose assembly, be uniformly distributed with four pairs of slide rails radially on described headstock along the circumference, each this head all is slidingly mounted on a pair of this slide rail by the chute of bottom; The bottom of four heads all can drive each head and is connected along the link gear of the synchronous translation of its slide rail with one; A workbench that is used for supporting workpiece respectively is housed between four these heads, and each workbench is vertical mutually, and is connected above the described headstock.
2. cross angle-cleaning machine for plastic doors and windows according to claim 1, it is characterized in that, described link gear comprises rotating disk, turntable shaft, connecting rod and rotating blade drive, turntable shaft vertically is rotatably installed on this headstock, the center of the upper end fixed installation rotating disk of turntable shaft, four peripheral uniform positions of this rotating disk are corresponding hinged with the bottom of a head by a connecting rod respectively; Rotating blade drive is equipped with in lower end at this turntable shaft.
3. cross angle-cleaning machine for plastic doors and windows according to claim 2, it is characterized in that, described rotating blade drive comprises that rotating disk drives cylinder, rack and pinion, gear is installed on this turntable shaft, and be connected the tooth bar that rotating disk drives the piston rod top of cylinder with coaxial line and be meshed, this rotating disk drives cylinder and is installed on the described headstock.
4. cross angle-cleaning machine for plastic doors and windows according to claim 1, it is characterized in that, described head comprises fixed board, interior angular cutter, goes up push broach, following push broach and unsteady slotting tool, the lower end of fixed board is slidingly mounted on the slide rail above the described headstock by described chute, is equipped with on the top of fixed board by interior angular cutter air cylinder driven, the interior angular cutter that can move up and down; Be equipped with on the fixed board on interior angular cutter next door by on the push broach air cylinder driven, can move radially on push broach; On this push broach below fixed board on be equipped with by following push broach air cylinder driven, the following push broach that can move radially; On the fixed board on this time push broach next door, be equipped with by the active slotting-tool air cylinder driven of floating downward, the unsteady slotting tool that can move radially and fluctuate.
5. cross angle-cleaning machine for plastic doors and windows according to claim 4, it is characterized in that, described Work fixing device comprises holding pad, holding pad cylinder and material folding plate, be equipped with on the top of described fixed board by holding pad air cylinder driven, the holding pad that can radially move, the material folding plate is housed on the fixed board below this holding pad.
6. cross angle-cleaning machine for plastic doors and windows according to claim 4, it is characterized in that, the described active slotting-tool of floating downward comprises cutter head, cutter head fixed mount, slotting tool frame, sliding axle, spring and base, in the base mouth of spill, support two sliding axles between the both sides, the bottom of slotting tool frame is installed on this sliding axle by sliding bearing, between the side spring is housed in the spill mouth of side of slotting tool frame and base; The cutter head fixed mount is installed in the gap of the upper end of slotting tool frame, cutter head is installed in the outside of this cutter head fixed mount.
7. cross angle-cleaning machine for plastic doors and windows according to claim 1, it is characterized in that, described head positioning device comprises motor, cylinder is regulated in band, synchromesh gear and location synchronously, the two ends of band are connected the two ends of described frame synchronously, motor is fixed on the location-plate that is slidingly connected with described headstock, and the output shaft of motor is by synchromesh gear and band engagement synchronously; Between this location-plate and headstock, be connected the two ends that cylinder is regulated in the location respectively.
8. cross angle-cleaning machine for plastic doors and windows according to claim 1, it is characterized in that, workpiece is housed on described frame to be transmitted and lowering or hoisting gear, this workpiece transmits and lowering or hoisting gear comprises riser guide, crane, lift cylinder, conveyer belt, power transmission shaft, synchronous pulley, motor, tape handler and conveyer belt joist, riser guide vertically is installed in the bottom of described frame, the bottom of crane is slidingly mounted on this riser guide, the two ends on the top of this crane respectively be provided with two parallel, the conveyer belt joist of level, top at this conveyer belt joist is provided with groove, rotational support power transmission shaft between two these conveyer belt joists is all installed synchronous pulley in this groove at these conveyer belt joist two ends; This synchronous pulley of conveyer belt joist one end is driven by tape handler by the motor that is installed on the joist; Conveyer belt is to be with synchronously, is connected between the synchronous pulley at conveyer belt joist two ends; Lift cylinder vertically is installed between this frame and crane.
9. cross angle-cleaning machine for plastic doors and windows according to claim 1, it is characterized in that, described nose assembly is one group or two groups, all is slidingly mounted on the same described frame, and moving with accurately locating of nose assembly all undertaken by described head positioning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202270568U CN201745121U (en) | 2010-06-17 | 2010-06-17 | Plastic door and window cross-shaped corner cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202270568U CN201745121U (en) | 2010-06-17 | 2010-06-17 | Plastic door and window cross-shaped corner cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201745121U true CN201745121U (en) | 2011-02-16 |
Family
ID=43579794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202270568U Expired - Lifetime CN201745121U (en) | 2010-06-17 | 2010-06-17 | Plastic door and window cross-shaped corner cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201745121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870150A (en) * | 2010-06-17 | 2010-10-27 | 安阳市佳明机械有限责任公司 | Cross angle-cleaning machine for plastic doors and windows |
| CN104786492A (en) * | 2015-04-13 | 2015-07-22 | 太仓威格玛机械设备有限公司 | Welding method free of bead trimming and double-head cutting saw with automatic processing function |
-
2010
- 2010-06-17 CN CN2010202270568U patent/CN201745121U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870150A (en) * | 2010-06-17 | 2010-10-27 | 安阳市佳明机械有限责任公司 | Cross angle-cleaning machine for plastic doors and windows |
| CN101870150B (en) * | 2010-06-17 | 2012-06-06 | 安阳市佳明机械有限责任公司 | Cross angle-cleaning machine for plastic doors and windows |
| CN104786492A (en) * | 2015-04-13 | 2015-07-22 | 太仓威格玛机械设备有限公司 | Welding method free of bead trimming and double-head cutting saw with automatic processing function |
| CN104786492B (en) * | 2015-04-13 | 2017-03-08 | 太仓威格玛机械设备有限公司 | A kind of exempt from clear welded corner joint method and the Double-edged Incising Saw with automatic machining function |
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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: 20110216 Effective date of abandoning: 20120606 |