CN210731131U - Aluminum profile end face milling machine for doors and windows - Google Patents

Aluminum profile end face milling machine for doors and windows Download PDF

Info

Publication number
CN210731131U
CN210731131U CN201921839080.4U CN201921839080U CN210731131U CN 210731131 U CN210731131 U CN 210731131U CN 201921839080 U CN201921839080 U CN 201921839080U CN 210731131 U CN210731131 U CN 210731131U
Authority
CN
China
Prior art keywords
cutting knife
motor
lead screw
workbench
main shaft
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.)
Active
Application number
CN201921839080.4U
Other languages
Chinese (zh)
Inventor
张本宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinan Zhongyu Xingtai Door And Window Co Ltd
Original Assignee
Jinan Zhongyu Xingtai Door And Window Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jinan Zhongyu Xingtai Door And Window Co Ltd filed Critical Jinan Zhongyu Xingtai Door And Window Co Ltd
Priority to CN201921839080.4U priority Critical patent/CN210731131U/en
Application granted granted Critical
Publication of CN210731131U publication Critical patent/CN210731131U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Nonmetal Cutting Devices (AREA)

Abstract

The utility model discloses an aluminium alloy end surface milling machine for door and window relates to the technical field of equipment for door and window processing, which comprises a frame, a workbench, a cutting assembly, workstation and frame fixed connection, cutting assembly includes first motor, the second motor, the third motor, first cutting knife, the second cutting knife, the third cutting knife and the fourth cutting knife, first motor slides along the direction towards the workstation face and is connected with the frame, first cutting knife and second cutting knife all set up on the first motor main shaft, and first cutting knife is located the one side that the first cutting knife is close to the workstation, the second motor slides along the direction perpendicular to the workstation face and is connected with the frame, the main shaft of first motor and second motor all sets up towards the workstation, the third cutting knife is established on the second motor main shaft; the third motor slides with the frame along the direction that is on a parallel with the workstation mesa and is connected, and the main shaft of third motor is towards the third cutting knife, and the fourth cutting knife setting is on the third motor main shaft.

Description

Aluminum profile end face milling machine for doors and windows
Technical Field
The utility model belongs to the technical field of the technique of equipment is used in the door and window processing and specifically relates to an aluminium alloy end surface milling machine is used to door and window.
Background
The end face milling machine has a wide processing range, is suitable for cutting the end face of metal materials such as castings, steel pieces and the like, and is widely applied to the mechanical manufacturing industry. The milling machine is particularly suitable for plane milling of the frame of a plastic die frame in the die industry, and can be used for milling, drilling, boring and other special-shaped surface processing of two end surfaces of an overlong workpiece.
The window frame is when splicing its component each other, need process out the cooperation groove that supplies the component to splice each other at window frame component terminal surface, and general user can utilize the milling machine to cut the workpiece end face, but the required cooperation groove depth of window frame is different with cooperation groove position, and during the cooperation groove of terminal surface milling machine processing window frame component that exists among the prior art, the user need constantly adjust the cutter head position to the realization is to the processing of a plurality of cooperation grooves of window frame component terminal surface, has improved work load, has reduced work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a door and window is with aluminium alloy end surface milling machine realizes the synchronous processing of the different positions of window frame through setting up of cutting assembly, has reduced work load to the realization improves the purpose of processing work efficiency.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an aluminum profile end face milling machine for doors and windows comprises a rack, a workbench and a cutting assembly, wherein the workbench is fixedly connected with the rack, the cutting assembly comprises a first motor, a second motor, a third motor, a first cutting knife, a second cutting knife, a third cutting knife and a fourth cutting knife, the first motor is connected with the rack in a sliding mode along the direction towards the surface of the workbench, a first motor spindle is arranged towards the workbench, the first cutting knife and the second cutting knife are coaxially arranged on the first motor spindle, and the second cutting knife is positioned on one side, close to the workbench, of the first cutting knife;
the second motor is connected with the rack in a sliding mode along the direction perpendicular to the table surface of the workbench, a main shaft of the second motor faces the workbench, and the third cutting knife is coaxially fixed on an output main shaft of the second motor; the third motor is connected with the rack in a sliding mode along the direction parallel to the table top of the workbench, the main shaft of the third motor is arranged towards the third cutting knife, and the fourth cutting knife is coaxially and fixedly connected to the output main shaft of the third motor.
Through adopting above-mentioned technical scheme, place the work piece on the workstation, adjust the position of first motor, second motor, third motor, realize first cutting knife, second cutting knife, third cutting knife and the synchronous cutting of fourth cutting knife to the work piece different positions to reduce the process time of work piece, realized improving the purpose of processing work efficiency.
The utility model discloses further set up to: the first cutting knife is coaxially and fixedly connected with the first motor spindle, the second cutting knife is sleeved on the first motor spindle in a sliding mode, and a distance adjusting assembly used for adjusting the distance between the second cutting knife and the first cutting knife is arranged on the second cutting knife.
Through adopting above-mentioned technical scheme, adjust roll adjustment subassembly, adjust the distance between first cutting knife and the second cutting knife to the realization is to the processing of work piece not co-altitude position.
The utility model discloses further set up to: a plurality of through-holes have been seted up to correspondence on first cutting knife and the second cutting knife, the roll adjustment subassembly includes a plurality of roll adjustment bolts and a plurality of roll adjustment nuts, the roll adjustment bolt head is located one side that the second cutting knife was kept away from to first cutting knife, the roll adjustment bolt pass behind the through-hole with roll adjustment nut threaded connection, the side butt of first cutting knife is kept away from with the second cutting knife to the roll adjustment nut, one side that the roll adjustment nut was kept away from to the second cutting knife is provided with roll adjustment bolt screw-thread fit's set nut.
By adopting the technical scheme, after the distance adjusting bolt penetrates through the through hole in the first cutting knife to be matched with the positioning nut, the distance adjusting bolt is matched with the distance adjusting nut, so that the second cutting knife is fixed on the output main shaft of the first motor, and the workpiece can be conveniently machined; when the distance between the first cutting knife and the second cutting knife is increased, the distance adjusting bolt is rotated firstly to enable the second cutting knife to slide to a proper position, and then the positioning bolt is rotated to fix the second cutting knife between the positioning bolt and the distance adjusting bolt; when the distance between the first cutting knife and the second cutting knife is reduced, the positioning bolt is firstly rotated to a proper position, and then the distance adjusting bolt is rotated, so that the second cutting knife is fixed between the positioning bolt and the distance adjusting bolt.
The utility model discloses further set up to: the first motor is fixedly connected with a first sliding plate, a first fixing plate is arranged on the rack, the first sliding plate is connected with the first fixing plate in a sliding mode along the direction towards the table top of the workbench, a first lead screw is connected to the first fixing plate in a rotating mode, and the first sliding plate is sleeved on the first lead screw and is in threaded connection with the first lead screw.
Through adopting above-mentioned technical scheme, rotate first lead screw, because first fixed plate and frame fixed connection, therefore first slide plate can slide along the direction of being close to or keeping away from the workstation mesa under the effect of first lead screw to the purpose of adjusting first cutting knife and second cutting knife position is realized, thereby realizes the purpose of first cutting knife and second cutting knife to the different positions processing of work piece.
The utility model discloses further set up to: the second motor is fixedly connected with a second sliding plate, a second fixing plate is arranged on the rack, the second sliding plate is connected with the second fixing plate in a sliding mode along the direction towards the table top of the workbench, a second lead screw is connected to the second fixing plate in a rotating mode, and the second sliding plate is sleeved on the second lead screw and is in threaded connection with the second lead screw.
Through adopting above-mentioned technical scheme, rotate the second lead screw, because second fixed plate and frame fixed connection, consequently the second board that slides can slide to the direction of being close to and keeping away from the workstation mesa under the effect of second lead screw to be convenient for the third cutting knife is to the processing of work piece different positions.
The utility model discloses further set up to: the third motor is fixedly connected with a third sliding plate, a third fixing plate is arranged on the rack, the third sliding plate is connected with the third fixing plate in a sliding mode along the direction parallel to the table top of the workbench, a third lead screw is connected to the third fixing plate in a rotating mode, and the third sliding plate is sleeved on the third lead screw and is in threaded connection with the third lead screw.
Through adopting above-mentioned technical scheme, rotate the third lead screw, because third fixed plate and frame fixed connection, consequently the third board that slides can slide along the direction that is on a parallel with table surface under the effect of third lead screw to the realization is to the processing in the different degree of depth holes of work piece.
The utility model discloses further set up to: and a first hand wheel is fixedly connected to the first lead screw.
Through adopting above-mentioned technical scheme, the setting up of first hand wheel is convenient for the user to adjust first lead screw.
The utility model discloses further set up to: and a second hand wheel is fixedly connected to the second lead screw.
Through adopting above-mentioned technical scheme, the setting up of second hand wheel is convenient for the user to adjust the second lead screw.
The utility model discloses further set up to: and a third hand wheel is fixedly connected to the third screw rod.
Through adopting above-mentioned technical scheme, the setting of third hand wheel is convenient for the user to adjust the third lead screw.
To sum up, the utility model discloses a beneficial technological effect does:
through the arrangement of the cutting assembly, synchronous processing of multiple positions of the same workpiece is realized, the workload is reduced, the processing time of the workpiece is saved, and the purpose of improving the processing working efficiency is realized;
the distance adjusting assembly is arranged, so that a user can conveniently adjust the distance between the first cutting knife and the second cutting knife, the first cutting knife and the second cutting knife are suitable for processing different workpieces, and the purpose of improving the application range of the cutting assembly is achieved;
the setting of first fixed plate, first slide plate, the regulation of the first motor of convenient to use person regulation and workstation interval to the processing application scope of first cutting knife and second cutting knife has further been improved.
Drawings
Fig. 1 is a partial cross-sectional view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is an overall schematic diagram of the present invention.
Reference numerals: 100. a frame; 110. a first fixing plate; 120. a second fixing plate; 130. a third fixing plate; 200. a work table; 300. a cutting assembly; 310. a first motor; 311. a first slide plate; 312. a first lead screw; 313. a first hand wheel; 320. a second motor; 321. a second slide plate; 322. a second lead screw; 323. a second hand wheel; 330. a third motor; 331. a third slide plate; 332. a third lead screw; 333. a third hand wheel; 340. a first cutter; 350. a second cutter; 351. positioning a nut; 360. a third cutter; 370. a fourth cutter; 400. a distance adjusting component; 410. adjusting the distance of the bolt; 420. and (4) adjusting nuts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, an aluminum profile end surface milling machine for doors and windows comprises a machine frame 100, a workbench 200 and a cutting assembly 300, wherein the workbench 200 is fixedly connected with the machine frame 100, the cutting assembly 300 comprises a first motor 310, a second motor 320, a third motor 330, a first cutting knife 340, a second cutting knife 350, a third cutting knife 360 and a fourth cutting knife 370, the first motor 310 is connected with the machine frame 100 in a sliding manner along a direction towards the table surface of the workbench 200, an output main shaft of the first motor 310 is arranged towards the workbench 200, the first cutting knife 340 and the second cutting knife 350 are coaxially arranged on the main shaft of the first motor 310, and the second cutting knife 350 is positioned at one side of the first cutting knife 340 close to the workbench 200; the second motor 320 is connected with the rack 100 in a sliding manner along a direction vertical to the workbench 200, a main shaft of the second motor 320 faces the workbench 200, and the third cutting knife 360 is coaxially welded on an output main shaft of the second motor 320; the third motor 330 is connected with the frame 100 in a sliding manner along a direction parallel to the table top of the working table 200, the main shaft of the third motor 330 is arranged towards the third cutter 360, and the fourth cutter 370 is coaxially welded on the output main shaft of the third motor 330. Place the work piece on workstation 200, first motor 310 drives first cutting knife 340, second cutting knife 350 and rotates, and second motor 320 drives third cutting knife 360 and rotates, and third motor 330 drives fourth cutting knife 370 and rotates to realize the cutting of end surface milling machine to same work piece different positions, and then reduced same work piece processing number of times, realize improving the purpose of processing work efficiency.
First motor 310 is welded with first slide plate 311, and bolt fastening has first fixed plate 110 on the frame 100, and first slide plate 311 slides along the direction towards workstation 200 mesa with first fixed plate 110 and is connected, rotates on first fixed plate 110 and is connected with first lead screw 312, and first slide plate 311 overlaps and is established on first lead screw 312, and with first lead screw 312 threaded connection. A first hand wheel 313 is welded on one end of the first lead screw 312 far away from the workbench 200. The first hand wheel 313 is rotated to rotate the first lead screw 312, and the distance between the first motor 310 and the workbench 200 is adjusted, so that the first cutting knife 340 and the second cutting knife 350 can cut different positions of the workpiece.
Referring to fig. 1 and 2, the first cutter 340 is welded to the spindle of the first motor 310, the second cutter 350 is slidably sleeved on the spindle of the first motor 310, and the second cutter 350 is provided with a distance adjusting assembly 400 for adjusting the distance between the second cutter 350 and the first cutter 340. Two sets of through-holes have been seted up to correspondence on first cutting knife 340 and the second cutting knife 350, roll adjustment subassembly 400 includes two roll adjustment bolts 410 and two roll adjustment nuts 420, the roll adjustment bolt 410 bolt head is located one side that second cutting knife 350 was kept away from to first cutting knife 340, roll adjustment bolt 410 passes behind the through-hole with roll adjustment nut 420 threaded connection, the side butt that first cutting knife 340 was kept away from to roll adjustment nut 420 and second cutting knife 350, one side that roll adjustment nut 420 was kept away from to second cutting knife 350 is provided with the set nut 351 with roll adjustment bolt 410 screw-thread fit. The distance-adjusting nut 420 is rotated, so that the second cutting knife 350 moves towards the direction far away from the first cutting knife 340, when the second cutting knife 350 moves to a proper position, the positioning nut 351 is rotated to fix the second cutting knife 350 between the positioning nut 351 and the distance-adjusting nut 420, thereby locking the position of the second cutting knife 350, and further cutting of different positions of the workpiece by the first cutting knife 340 and the second cutting knife 350 is realized.
Referring to fig. 1, a second sliding plate 321 is welded on the second motor 320, a second fixing plate 120 is arranged on the rack 100, the second sliding plate 321 is connected with the second fixing plate 120 in a sliding manner along a direction toward the table top of the workbench 200, a second lead screw 322 is rotatably connected to the second fixing plate 120, and the second sliding plate 321 is sleeved on the second lead screw 322 and is in threaded connection with the second lead screw 322. A second hand wheel 323 is welded at one end of the second lead screw 322 far away from the workbench 200. The second hand wheel 323 is rotated to rotate the second lead screw 322, so that the second sliding plate 321 drives the second motor 320 to move in a direction away from or close to the worktable 200, thereby realizing the processing of the third cutting knife 360 on different positions of the workpiece.
Referring to fig. 3, a third sliding plate 331 is welded to the third motor 330, a third fixing plate 130 is fixed to the frame 100 by bolts, the third sliding plate 331 is connected to the third fixing plate 130 in a sliding manner along a direction parallel to the table top of the workbench 200, the third fixing plate 130 is connected to a third screw rod 332 in a rotating manner, and the third sliding plate 331 is sleeved on the third screw rod 332 and is connected to the third screw rod 332 in a threaded manner. And one end of the third lead screw 332, which is far away from the fixed plate, is welded with a third hand wheel 333. The third handwheel 333 is rotated, that is, the third screw 332 is rotated, so that the third sliding plate 331 drives the third motor 330 to slide along the direction parallel to the table-board of the workbench 200, thereby meeting the requirements of different processing depths of workpieces.
The principle of the embodiment is that the positioning nut 351 or the distance adjusting nut 420 is rotated to adjust the distance between the first cutting knife 340 and the second cutting knife 350, and then the positioning nut 351 and the distance adjusting nut 420 are tightened to lock the position of the second cutting knife 350. Rotate first lead screw 312, adjust first cutting knife 340 and second cutting knife 350 to suitable position, rotate second lead screw 322 and third lead screw 332 respectively and realize the regulation of third cutting knife 360, fourth cutting knife 370 position, start first motor 310 at last, second motor 320 and third motor 330, place the work piece on workstation 200, promote the work piece, thereby realize first cutting knife 340, second cutting knife 350, third cutting knife 360, the processing of fourth cutting knife 370 to the work piece.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The aluminum profile end face milling machine for doors and windows comprises a machine frame (100), a workbench (200) and a cutting assembly (300), and is characterized in that the workbench (200) is fixedly connected with the machine frame (100), the cutting assembly (300) comprises a first motor (310), a second motor (320), a third motor (330), a first cutting knife (340), a second cutting knife (350), a third cutting knife (360) and a fourth cutting knife (370), the first motor (310) is connected with the machine frame (100) in a sliding mode along the direction towards the table top of the workbench (200), the main shaft of the first motor (310) faces the workbench (200), the first cutting knife (340) and the second cutting knife (350) are coaxially arranged on the main shaft of the first motor (310), and the second cutting knife (350) is located on one side, close to the workbench (200), of the first cutting knife (340);
the second motor (320) is connected with the rack (100) in a sliding mode along the direction perpendicular to the table top of the workbench (200), the main shaft of the second motor (320) is arranged towards the workbench (200), and the third cutting knife (360) is coaxially fixed on the output main shaft of the second motor (320); the third motor (330) is connected with the rack (100) in a sliding mode along the direction parallel to the table top of the workbench (200), the main shaft of the third motor (330) is arranged towards the third cutting knife (360), and the fourth cutting knife (370) is coaxially and fixedly connected to the output main shaft of the third motor (330).
2. The aluminum profile end face milling machine for doors and windows as claimed in claim 1, wherein the first cutting knife (340) is coaxially and fixedly connected with a main shaft of a first motor (310), the second cutting knife (350) is slidably sleeved on the main shaft of the first motor (310), and a distance adjusting assembly (400) for adjusting the distance between the second cutting knife (350) and the first cutting knife (340) is arranged on the second cutting knife (350).
3. The aluminum profile end face milling machine for doors and windows as claimed in claim 2, wherein a plurality of through holes are correspondingly formed in the first cutting knife (340) and the second cutting knife (350), the distance adjusting assembly (400) comprises a plurality of distance adjusting bolts (410) and a plurality of distance adjusting nuts (420), the bolt head of each distance adjusting bolt (410) is located on one side, away from the second cutting knife (350), of the first cutting knife (340), the distance adjusting bolt (410) penetrates through the through holes and then is in threaded connection with the distance adjusting nut (420), the distance adjusting nut (420) abuts against the side face, away from the first cutting knife (340), of the second cutting knife (350), and a positioning nut (351) in threaded fit with the distance adjusting bolt (410) is arranged on one side, away from the distance adjusting nut (420), of the second cutting knife (350).
4. The aluminum profile end face milling machine for doors and windows as claimed in claim 1, wherein the first motor (310) is fixedly connected with a first sliding plate (311), the frame (100) is provided with a first fixing plate (110), the first sliding plate (311) is connected with the first fixing plate (110) in a sliding manner along a direction towards the table top of the workbench (200), the first fixing plate (110) is connected with a first lead screw (312) in a rotating manner, and the first sliding plate (311) is sleeved on the first lead screw (312) and is in threaded connection with the first lead screw (312).
5. The aluminum profile end face milling machine for doors and windows as claimed in claim 1, wherein the second motor (320) is fixedly connected with a second sliding plate (321), the rack (100) is provided with a second fixing plate (120), the second sliding plate (321) is connected with the second fixing plate (120) in a sliding manner along a direction towards the table top of the workbench (200), the second fixing plate (120) is connected with a second lead screw (322) in a rotating manner, and the second sliding plate (321) is sleeved on the second lead screw (322) and is in threaded connection with the second lead screw (322).
6. The aluminum profile end face milling machine for doors and windows as claimed in claim 1, wherein a third sliding plate (331) is fixedly connected to the third motor (330), a third fixing plate (130) is arranged on the machine frame (100), the third sliding plate (331) is connected with the third fixing plate (130) in a sliding manner along a direction parallel to the table top of the workbench (200), a third lead screw (332) is connected to the third fixing plate (130) in a rotating manner, and the third sliding plate (331) is sleeved on the third lead screw (332) and is in threaded connection with the third lead screw (332).
7. The aluminum profile end face milling machine for doors and windows as claimed in claim 4, wherein the first lead screw (312) is fixedly connected with a first hand wheel (313).
8. The aluminum profile end face milling machine for doors and windows as claimed in claim 5, wherein the second lead screw (322) is fixedly connected with a second hand wheel (323).
9. The aluminum profile end face milling machine for doors and windows as claimed in claim 6, wherein a third hand wheel (333) is fixedly connected to the third lead screw (332).
CN201921839080.4U 2019-10-26 2019-10-26 Aluminum profile end face milling machine for doors and windows Active CN210731131U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921839080.4U CN210731131U (en) 2019-10-26 2019-10-26 Aluminum profile end face milling machine for doors and windows

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921839080.4U CN210731131U (en) 2019-10-26 2019-10-26 Aluminum profile end face milling machine for doors and windows

Publications (1)

Publication Number Publication Date
CN210731131U true CN210731131U (en) 2020-06-12

Family

ID=70990173

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921839080.4U Active CN210731131U (en) 2019-10-26 2019-10-26 Aluminum profile end face milling machine for doors and windows

Country Status (1)

Country Link
CN (1) CN210731131U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113001618A (en) * 2021-01-14 2021-06-22 厦门安越非开挖工程技术股份有限公司 Cutting device and cutting method for lining pipe test sample strip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113001618A (en) * 2021-01-14 2021-06-22 厦门安越非开挖工程技术股份有限公司 Cutting device and cutting method for lining pipe test sample strip

Similar Documents

Publication Publication Date Title
CN213055168U (en) Woodworking machine with double main shafts and primary and secondary saws
CN210731131U (en) Aluminum profile end face milling machine for doors and windows
CN211680948U (en) Boring machine workbench for cambered surface shell part
CN210099062U (en) Workbench of shaper
CN216656476U (en) Large sheet metal part edge milling and cutting equipment
CN212470547U (en) Drilling and milling machine workbench structure and drilling and milling machine
CN208840532U (en) It is a kind of walk scheming toolbox
CN218557021U (en) Frock clamp for hardware products processing
CN112935110A (en) Machine tool stability adjusting and controlling device
CN215788547U (en) Gantry machine tool with operation protection structure
CN214722481U (en) Workpiece positioning device with good structural rigidity
CN219786672U (en) Movable right-angle milling special machine device
CN213497794U (en) Positioning fixture for machining
CN215998839U (en) Carving that processing platform can multi-angle be adjusted mills machine
CN212021030U (en) Whole structure of four-side planer
CN217861763U (en) Adjustable multi-angle push planing platform
CN218639116U (en) Chamfering tool of vertical milling machine
CN214722479U (en) Workpiece positioning device with flexible structure
CN216227916U (en) Scrape terminal surface and bore centre bore lathe
CN204818901U (en) Vertical milling machine
CN216607979U (en) Machine tool convenient for adjusting station
CN218745041U (en) Positioning workbench of drilling machine
CN213827923U (en) Logistics equipment joins in marriage external member processing and uses milling machine
CN216502489U (en) Special machine for roughly boring main bearing semicircular hole and roughly expanding camshaft hole of cylinder block
CN209918966U (en) Space angle clamp

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant