CN203599844U - Full-automatic four-corner assembling production line of aluminium alloy door and window - Google Patents
Full-automatic four-corner assembling production line of aluminium alloy door and window Download PDFInfo
- Publication number
- CN203599844U CN203599844U CN201320742469.3U CN201320742469U CN203599844U CN 203599844 U CN203599844 U CN 203599844U CN 201320742469 U CN201320742469 U CN 201320742469U CN 203599844 U CN203599844 U CN 203599844U
- Authority
- CN
- China
- Prior art keywords
- jiaos
- convex
- combining machine
- corner
- location
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 240000004282 Grewia occidentalis Species 0.000 title abstract 8
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 230000004907 flux Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Abstract
The utility model relates to automatic assembling equipment, in particular to a full-automatic four-corner assembling production line of an aluminium alloy door and window. The full-automatic four-corner assembling production line of the aluminium alloy door and window is characterized in that a set frame corner penetrating workbench, a four-corner assembling main machine and a discharging workbench are included, and the set frame corner penetrating workbench, the four-corner assembling main machine and the discharging workbench are sequentially connected from left to right. The full-automatic four-corner assembling production line of the aluminium alloy door and window integrates all process links in the corner assembling process of the aluminium door and window, assembling time is effectively saved, and the working efficiency is improved. Due to a four-corner assembling structure shaped like a Chinese character 'kai', the full-automatic four-corner assembling production line can be adapted to corner assembling of different aluminium alloy doors and windows quickly and accurately, reliable positioning is achieved, the assembling precision of the aluminium door and window is improved, and the market competitiveness is enhanced.
Description
Technical field
The utility model relates to a kind of apparatus automatization assembling, the full-automatic four jiaos of group angular flux waterlines of especially a kind of aluminum alloy doorframe.
Background technology
Along with scientific and technical progress, automation equipment by more and more, is applied in industrial production.But in comparatively traditional field, automation equipment is not universal, for example current traditional aluminum alloy doors and windows group angle manufacture field, mainly with single head group angle, it is main that Yi Ge angle, an angle completes cooked mode, such combined method not only operating efficiency is low, and the assembling defective such problem of aluminum alloy doors and windows ubiquity shape out, and yield rate is lower.
On market also accidental polygonal group, but generally reflect that technology is immature, group angular accuracy is poor, complex operation, for different aluminium alloy extrusions, lathe adjustment trouble, four jiaos of poor synchronization, upper, discharging relies on artificial realization etc. completely, cannot meet modern production requirement.
Utility model content
Utility model object: the purpose of this utility model is in order to solve the deficiencies in the prior art, provides a kind of and can either effectively improve packaging efficiency and can guarantee again to assemble the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doors and windows of accuracy.
Technical scheme: in order to realize above object, the utility model provides a kind of aluminum alloy doorframe full-automatic four jiaos of group angular flux waterlines, cover frame is worn corner brace workbench, four jiaos of group angle main frames, discharging workbench, and described cover frame corner brace workbench, four jiaos of group angle main frames, discharging workbench connect from left to right successively.
Conveyer, four jiaos of corner combining machine heads, X axis guide rail, Y-axis guide rail, crossbearer, gas-liquids series connection cylinder, described crossbearer top is provided with X axis guide rail, bottom is provided with Y-axis guide rail, described X axis guide rail and Y-axis guide rail are orthogonal, described horizontal being installed on crossbearer of four jiaos of corner combining machine heads, described four-head group angle oil hydraulic cylinder synchronized is connected with four jiaos of corner combining machine heads.
Four jiaos of described corner combining machine heads comprise the first corner combining machine head, the second corner combining machine head, the 3rd corner combining machine head, the 4th corner combining machine head, described the first corner combining machine head, the second corner combining machine head are fixedly installed in respectively crossbearer one end, the 3rd corner combining machine head, the 4th corner combining machine head are installed on respectively the crossbearer other end, and described the 3rd corner combining machine head, the 4th corner combining machine head are flexibly connected with crossbearer.
Described X axis guide rail, Y-axis guide rail is separately installed with X axis transmission ball screw, Y-axis transmission ball screw.
Described corner combining machine head is made up of spill location and side location set apparatus for converting, convex positioner, and spill location and side location set apparatus for converting are located at convex positioner outside.
Described spill location and side location set apparatus for converting double-decker, comprise side locating shaft, the first spill locating piece, the second spill locating piece, vertical compression cylinder, described side locating shaft tail end is provided with adjusting handle, the first described spill locating piece is located at side locating shaft top, the second spill locating piece is connected with the first spill locating piece by line slideway, the tail end of the second described spill locating piece is provided with feeding cylinder, described vertical compression cylinder is located slide by spill and is connected with the second spill locating piece, the tail end of described vertical compression cylinder is provided with rollback cylinder.
Described convex positioner comprises: convex locating piece, convex location bear framework, guide rail, convex location and installation slide, described convex location bears framework and is located on guide rail, convex location and installation slide is located at convex location and is born on framework, described convex locating piece is fixedly installed on convex location and installation slide, described convex location bears framework and is provided with convex positioned-lifting cylinder, convex positioned-lifting guide shaft, and described convex positioned-lifting cylinder, convex positioned-lifting guide shaft are connected with convex location and installation slide.
Described conveyer comprises synchronous pulley brace summer, support baseboard, servomotor, transmission Timing Belt, synchronizing wheel, Timing Belt brace summer by lift cylinder and pinion and rack be connected with support baseboard, described synchronizing wheel is fixedly installed in synchronous pulley brace summer two ends, described synchronizing wheel is connected with servomotor, on described servomotor, decelerator is installed, transmits Timing Belt suit and synchronizing wheel outside.
Between described support baseboard and Timing Belt brace summer, be provided with triangular support bracket.
Described guide rail tail end is provided with travel switch.
Beneficial effect: compared with prior art the utility model by cover frame being worn to corner brace workbench, four jiaos of group angle main frames, discharging workbench are located on same flow waterline, realize the streamline automated job at four jiaos of group angles of aluminum alloy doors and windows, effectively increase work efficiency, increase productivity.
The utility model is by being arranged to " opening " character form structure by four jiaos of group angle main frames, can effectively carry out real time correction to each angle of aluminum alloy doors and windows, not only can increase work efficiency, four jiaos proofread and correct simultaneously be also advantageous in that the dimensionally stable of guaranteeing aluminum alloy doors and windows, do not produce deformation.
The utility model passes through integrated to spill location and side positioner, thereby further guarantees the precision of aluminum alloy doors and windows group corner connection seam, improves yields.
The utility model, by convex detent mechanism is connected with gas-liquid series connection, has been avoided the unreliability of traditional dependence frictional force positioning and locking, by hydraulic pressure self-locking, has guaranteed the packing pressure of convex detent mechanism.
Accompanying drawing explanation
Fig. 1 is the structural representation of the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doors and windows;
Fig. 2 is the structural scheme of mechanism of four jiaos of corner combining machine heads;
Fig. 3 is the structural representation of conveyer;
Fig. 4 is the structural representation of spill location and side location set apparatus for converting;
Fig. 5 is the structural scheme of mechanism of convex positioner.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
As Figure 1-4, the full-automatic four jiaos of group angular flux waterlines of a kind of aluminum alloy doorframe comprise: cover frame is worn corner brace workbench 1, four jiaos of group angle main frames 2, discharging workbench 3, and described cover frame corner brace workbench 1, four jiaos of group angle main frames 2, discharging workbench 3 connect from left to right successively, four jiaos of described group angle main frames 2 comprise: conveyer 21, four jiaos of corner combining machine heads 22, X axis guide rail 23, Y-axis guide rail 24, crossbearer 25, gas-liquid series connection cylinder 26, described crossbearer 25 tops are provided with X axis guide rail 23, bottom is provided with Y-axis guide rail 24, described X axis guide rail 23 is orthogonal with Y-axis guide rail 24, four jiaos of described corner combining machine heads 22 are horizontal to be installed on crossbearer 25, and described gas-liquid series connection cylinder 26 is connected with four jiaos of corner combining machine heads 22, four jiaos of described corner combining machine heads 22 comprise the first corner combining machine head 221, the second corner combining machine head 222, the 3rd corner combining machine head 223, the 4th corner combining machine head 224, described the first corner combining machine head 221, the second corner combining machine head 222 are fixedly installed in respectively crossbearer 25 one end, the 3rd corner combining machine head 223, the 4th corner combining machine head 224 are installed on respectively crossbearer 25 other ends, and described the 3rd corner combining machine head 223, the 4th corner combining machine head 224 are flexibly connected with crossbearer 25, described X axis guide rail 23, Y-axis guide rail 24 is separately installed with X axis transmission ball screw 231, Y-axis transmission ball screw 241, described corner combining machine head forms 28 by spill location and side location set apparatus for converting 27, convex detent mechanism, and spill location and side location set apparatus for converting 27 are located at convex detent mechanism outside 28, described spill location and side location set apparatus for converting 27 double-deckers, comprise side locating shaft 273, the first spill locating piece 271, the second spill locating piece 272, vertical compression cylinder 274, described side locating shaft 273 tail ends are provided with adjusting handle 275, the first described spill locating piece 271 is located at side locating shaft 273 tops, the second spill locating piece 272 is connected with the first spill locating piece 271 by line slideway 276, the tail end of the second described spill locating piece 272 is provided with spill location feeding cylinder 277, described vertical compression cylinder 274 is located slide 278 by spill and is connected with the second spill locating piece 272, the tail end of described vertical compression cylinder 274 is provided with vertical compression rollback cylinder 279, described convex detent mechanism 28 comprises: convex locating piece 281, convex location bears framework 283, guide rail, convex location and installation slide 282, described convex location bears framework 283 and is located on guide rail, convex location and installation slide 282 is located at convex location and is born on framework 283, described convex locating piece 281 is fixedly installed on convex location and installation slide 282, described convex location bears framework 283 and is provided with convex positioned-lifting cylinder 286, convex positioned-lifting guide shaft 285, and described convex positioned-lifting cylinder 286, convex positioned-lifting guide shaft 285 is connected with convex location and installation slide 282, the conveyer 21 that described guide rail tail end is provided with described in travel switch 287 comprises synchronous pulley brace summer 214, support baseboard 216, servomotor 211, transmits Timing Belt 213, synchronizing wheel 217, Timing Belt brace summer 214 by lift cylinder and pinion and rack be connected with support baseboard 216, described synchronizing wheel 217 is fixedly installed in synchronous pulley brace summer 214 two ends, described synchronizing wheel 217 is connected with servomotor 211, on described servomotor 211, decelerator 212 is installed, transmits Timing Belt 213 suits and synchronizing wheel 217 outsides, between described support baseboard 216 and Timing Belt brace summer 214, be provided with triangular support bracket 215.
When use, described cover frame is worn corner brace workbench 1, four jiaos of group angle main frames 2, discharging workbench 3 are connected with electric apparatus control apparatus, wear on corner brace workbench 1 at cover frame, manually overlap frame and wear corner brace processing, the workpiece after cover frame is placed on conveyer, workpiece conveyor 21 starts, and workpiece is delivered to the working position of four jiaos of group angle main frames 2, the first described corner combining machine head 221, the second corner combining machine head 222 is fixedly installed in respectively crossbearer 25 one end, for a side of fixation workpiece, the 3rd described corner combining machine head 223, the 4th corner combining machine head 224 can move along X axis guide rail 23 according to the width of workpiece, to adapt to the width of workpiece, described crossbearer 25 can move up and down along Y-axis guide rail 24, to adapt to the height of workpiece, in order to guarantee the 3rd corner combining machine head 223, the 4th corner combining machine head 224 is not offset position when mobile, in the middle of described X axis guide rail 23, be provided with X axis transmission ball screw 231, in order to guarantee that crossbearer 25 position in the time moving up and down is not offset, in the middle of described Y-axis guide rail 24, be provided with Y-axis transmission ball screw 241, make 22 one-tenth " opening " character form structures of four jiaos of group angle main frames, four of workpiece angles are operated simultaneously, increase work efficiency.
When workpiece is placed in main frame 22 operating positions, four jiaos of group angles, described spill location and side location set apparatus for converting 27 are located at the outside of four jiaos of workpiece, described convex detent mechanism 28 is located at the inner side of four jiaos of workpiece, described spill location can guarantee that with the first spill locating piece 271 of side location set apparatus for converting 27 and Integrated design of the second spill locating piece 272 and side locating shaft 273 and vertical compacting machine 274 structures workpiece is laterally with longitudinal closely cooperating, do not produce displacement and error, guarantee product quality; The convex locating piece 281 being simultaneously connected with gas-liquid series connection cylinder 26 carries out interior location to workpiece, and spill location and side location set apparatus for converting 27 and convex detent mechanism 28 are used in combination; After four jiaos of group angles of workpiece complete, described spill location feeding cylinder 277 impels that the second spill locating piece 272 retreats, described vertical compression cylinder 274 drives it to retreat by vertically compressing rollback cylinder 279, the convex location and installation slide 282 of convex detent mechanism 28 moves down under the driving of convex positioned-lifting cylinder 286 simultaneously, facilitate next step discharging operation, finished product behind group angle is sent on the discharging workbench 3 of streamline right-hand member by conveyer 21, is moved to next process by staff.
Embodiment is only explanation technical conceive of the present utility model and feature, its objective is to allow to be familiar with these those skilled in the art and can to understand content of the present utility model enforcement according to this, can not limit protection domain of the present utility model with this.All equivalents of having done according to the utility model Spirit Essence or modification, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doorframe, it is characterized in that, comprise: cover frame is worn corner brace workbench (1), four jiaos of group angle main frames (2), discharging workbench (3), described cover frame corner brace workbench (1), four jiaos of group angle main frames (2), discharging workbench (3) connect from left to right successively.
2. the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doors and windows according to claim 1, it is characterized in that, described four jiaos of group angle main frames (2) comprising: conveyer (21), four jiaos of corner combining machine heads (22), X axis guide rail (23), Y-axis guide rail (24), crossbearer (25), gas-liquid series connection cylinder (26), described crossbearer (25) top is provided with X axis guide rail (23), bottom is provided with Y-axis guide rail (24), described X axis guide rail (23) is orthogonal with Y-axis guide rail (24), described four jiaos of corner combining machine heads (22) are horizontal to be installed on crossbearer (25), described four-head group angle oil hydraulic cylinder synchronized is connected with four jiaos of corner combining machine heads (22).
3. the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doors and windows according to claim 1, it is characterized in that: described four jiaos of corner combining machine heads (22) comprise the first corner combining machine head (221), the second corner combining machine head (222), the 3rd corner combining machine head (223), the 4th corner combining machine head (224), the first described corner combining machine head (221), the second corner combining machine head (222) is fixedly installed in respectively crossbearer (25) one end, the 3rd corner combining machine head (223), the 4th corner combining machine head (224) is installed on respectively crossbearer (25) other end, the 3rd described corner combining machine head (223), the 4th corner combining machine head (224) is flexibly connected with crossbearer (25).
4. the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doors and windows according to claim 1, is characterized in that: described X axis guide rail (23), Y-axis guide rail (24) are separately installed with X axis transmission ball screw (231), Y-axis transmission ball screw (241).
5. the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doors and windows according to claim 1, it is characterized in that: described corner combining machine head is made up of spill location and side location set apparatus for converting (27), convex locating piece (281) (28), spill location and side location set apparatus for converting (27) are located at convex locating piece (281) (28) outside.
6. the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doors and windows according to claim 5, it is characterized in that: described spill location and side location set apparatus for converting (27) double-decker, comprise side locating shaft (273), the first spill locating piece (271), the second spill locating piece (272), vertical compression cylinder (274), described side locating shaft (273) tail end is provided with adjusting handle (275), the first described spill locating piece (271) is located at side locating shaft (273) top, the second spill locating piece (272) is connected with the first spill locating piece (271) by line slideway, the tail end of the second described spill locating piece (272) is provided with spill location feeding cylinder (277), described vertical compression cylinder (274) is located slide (278) by spill and is connected with the second spill locating piece (272), the tail end of described vertical compression cylinder (274) is provided with vertical compression rollback cylinder (279).
7. the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doors and windows according to claim 5, it is characterized in that: described convex locating piece (281) (28) comprising: convex locating piece (281), convex location bears framework (283), guide rail, convex location and installation slide (282), described convex location bears framework (283) and is located on guide rail, convex location and installation slide (282) is located at convex location and is born on framework (283), described convex locating piece (281) is fixedly installed on convex location and installation slide (282), described convex location bears framework (283) and is provided with convex positioned-lifting cylinder (286), convex positioned-lifting guide shaft (285), and described convex positioned-lifting cylinder (286), convex positioned-lifting guide shaft (285) is connected with convex location and installation slide (282).
8. conveyer according to claim 2 (21), it is characterized in that: described conveyer (21) comprises synchronous pulley brace summer (214), support baseboard (216), servomotor (211), transmit Timing Belt (213), synchronizing wheel, Timing Belt brace summer (214) is connected with support baseboard (216) by lift cylinder (217) and pinion and rack, described synchronizing wheel is fixedly installed in synchronous pulley brace summer (214) two ends, described synchronizing wheel is connected with servomotor (211), on described servomotor (211), decelerator (212) is installed, transmit Timing Belt (213) and be set in synchronizing wheel outside.
9. conveyer according to claim 8 (21), is characterized in that: between described support baseboard (216) and Timing Belt brace summer (214), be provided with triangular support bracket (215).
10. the full-automatic four jiaos of group angular flux waterlines of aluminum alloy doors and windows according to claim 5, is characterized in that: described guide rail tail end is provided with travel switch (287).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320742469.3U CN203599844U (en) | 2013-11-22 | 2013-11-22 | Full-automatic four-corner assembling production line of aluminium alloy door and window |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320742469.3U CN203599844U (en) | 2013-11-22 | 2013-11-22 | Full-automatic four-corner assembling production line of aluminium alloy door and window |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203599844U true CN203599844U (en) | 2014-05-21 |
Family
ID=50712543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320742469.3U Expired - Lifetime CN203599844U (en) | 2013-11-22 | 2013-11-22 | Full-automatic four-corner assembling production line of aluminium alloy door and window |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203599844U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105171415A (en) * | 2015-09-25 | 2015-12-23 | 安徽卓良新材料有限公司 | Dorsal bar assembling production line |
CN106271506A (en) * | 2016-08-30 | 2017-01-04 | 佛山市普拉迪数控科技有限公司 | A kind of automatic package system of Door/window brace member and assemble method thereof |
CN115055600A (en) * | 2022-06-06 | 2022-09-16 | 山东雷德数控机械股份有限公司 | Four-head corner combining machine for doors and windows |
-
2013
- 2013-11-22 CN CN201320742469.3U patent/CN203599844U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105171415A (en) * | 2015-09-25 | 2015-12-23 | 安徽卓良新材料有限公司 | Dorsal bar assembling production line |
CN106271506A (en) * | 2016-08-30 | 2017-01-04 | 佛山市普拉迪数控科技有限公司 | A kind of automatic package system of Door/window brace member and assemble method thereof |
CN106271506B (en) * | 2016-08-30 | 2018-10-26 | 佛山市普拉迪数控科技有限公司 | A kind of automatic package system of Door/window brace member and its assemble method |
CN115055600A (en) * | 2022-06-06 | 2022-09-16 | 山东雷德数控机械股份有限公司 | Four-head corner combining machine for doors and windows |
CN115055600B (en) * | 2022-06-06 | 2023-08-08 | 山东雷德数控机械股份有限公司 | Four-head corner assembling machine for doors and windows |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103862279A (en) | Full-automatic four-corner assembling production line for aluminum alloy windows/doors | |
CN201880759U (en) | Section steel flange deformation correcting mechanism | |
CN206046984U (en) | A kind of double riveter | |
CN203599844U (en) | Full-automatic four-corner assembling production line of aluminium alloy door and window | |
CN208880029U (en) | The automatic positioning of the motor-driven arm of adjustable loading clamps welder equipment | |
CN204035452U (en) | A kind of efficient automobile skylight guide rail riveting machine | |
CN108326421B (en) | Laser welding machine with multi-station workbench and visual recognition device | |
CN103433750B (en) | A kind of generator casing drilling-tapping all-in-one | |
CN105904388A (en) | Fast clamping positioner | |
CN204430050U (en) | A kind of manipulator being applicable to the transfer of Press Automatic Produce Line workpiece | |
CN208178755U (en) | A kind of horizontal automatic welding flexibility material loading platform of H profile steel | |
CN109454140A (en) | The edge knurling process and binding device of aluminium alloy door closure with wide-angle angle of release | |
CN203459908U (en) | Drilling tapping all-in-one machine for generator shell | |
CN204603122U (en) | A kind of punch press telescopic manipulator | |
CN211136253U (en) | Automatic processing equipment for surface holes of door and window materials | |
CN204171763U (en) | A kind of machining center cutter-exchange mechanism | |
CN103072007A (en) | Combined drilling and punching production line for aluminum door/window frame material | |
CN203184861U (en) | Welding gun centering device for H-shaped steel assembly welding | |
CN205703889U (en) | Quick-clamped localizer | |
CN209080911U (en) | Cross carrying mechanism | |
CN203875887U (en) | Workpiece transferring mechanism on stamping production line | |
CN110496876A (en) | Class circular arc part multiaxis compound feed device | |
CN103722511B (en) | Corner corner combining machine power head device | |
CN202129469U (en) | Machine for automatically dotting and drilling | |
CN204620899U (en) | Bender feed mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |