CN216705620U - Stamping device for hardware processing - Google Patents

Stamping device for hardware processing Download PDF

Info

Publication number
CN216705620U
CN216705620U CN202123098959.8U CN202123098959U CN216705620U CN 216705620 U CN216705620 U CN 216705620U CN 202123098959 U CN202123098959 U CN 202123098959U CN 216705620 U CN216705620 U CN 216705620U
Authority
CN
China
Prior art keywords
fixed
motor
stamping
hardware
bottom plate
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
CN202123098959.8U
Other languages
Chinese (zh)
Inventor
肖育红
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 Likuan Machinery Fittings Co ltd
Original Assignee
Jinan Likuan Machinery Fittings 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 Likuan Machinery Fittings Co ltd filed Critical Jinan Likuan Machinery Fittings Co ltd
Priority to CN202123098959.8U priority Critical patent/CN216705620U/en
Application granted granted Critical
Publication of CN216705620U publication Critical patent/CN216705620U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Press Drives And Press Lines (AREA)

Abstract

The utility model discloses a stamping device for hardware processing, which comprises a rotating mechanism for driving the hardware to rotate, a stamping mechanism for stamping the hardware and a transfer mechanism for transferring the formed hardware to the next process, wherein the stamping mechanism is arranged on one side of the rotating mechanism, and the transfer mechanism is arranged on the other side of the rotating mechanism. According to the utility model, the stamping mechanism is arranged, the dismounting assembly enables the first stamping head/the second stamping head to be convenient to dismount, and the first stamping head/the second stamping head is easy to replace when the first stamping head/the second stamping head is seriously worn, so that the use effect of the device is effectively improved.

Description

Stamping device for hardware processing
Technical Field
The utility model relates to the technical field of hardware processing, in particular to a stamping device for hardware processing.
Background
Hardware refers to machine parts or components made from hardware, as well as some small items of hardware. It can be used alone or as an assistant tool. Such as hardware tools, hardware parts, daily hardware, building hardware, security articles and the like. The small hardware products are mostly not the final consumer products. But as a kit for industrial manufacture, a semi-finished product, a tool for a production process, and the like. Only a small part of daily hardware products (accessories) are tool consumer goods necessary for people's life.
The hardware adds man-hour and need use stamping device, and current stamping device has following problem to be solved urgently:
1. the stamping head is seriously worn after being used for a long time, and is inconvenient to replace;
2. the hardware after the shaping often can imbed stamping die in, and the manual work is taken very inconvenient, so can seriously influence production efficiency.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide a press machine for hardware processing.
The utility model realizes the purpose through the following technical scheme:
a stamping device for hardware processing comprises a rotating mechanism for driving a hardware to rotate, a stamping mechanism for stamping the hardware, and a transfer mechanism for transferring the formed hardware to the next process, wherein the stamping mechanism is arranged on one side of the rotating mechanism, and the transfer mechanism is arranged on the other side of the rotating mechanism;
the rotating mechanism comprises a first bottom plate, a fixed shell, a first motor, a fixed ring, a rotary table and a forming seat, wherein the fixed shell is arranged above the first bottom plate, the fixed ring is arranged on the fixed shell, the first motor is arranged in the fixed shell, the rotary table is fixed above the first motor, and the forming seat is fixed above the rotary table;
the stamping mechanism comprises a second bottom plate, an installation frame, a hydraulic cylinder, a piston rod, a dismounting assembly, a second motor and fan blades, wherein the installation frame is fixed above the second bottom plate, the hydraulic cylinder is fixed above the installation frame, the piston rod is installed on the hydraulic cylinder, the dismounting assembly is installed below the piston rod, the second motor is fixed on the side surface of the installation frame, and the fan blades are installed on the second motor;
the transfer mechanism includes third bottom plate, fixed frame, protective housing, third motor, bull stick, electric putter, mounting panel, electro-magnet, install third bottom plate top fixed frame, install fixed frame top the protective housing, the protective housing is inside to be fixed with the third motor, be fixed with on the third motor the bull stick, install the bull stick below electric putter, the electric putter below is fixed with the mounting panel, the mounting panel below is fixed with the electro-magnet.
Preferably, the disassembling and assembling assembly comprises a first mounting seat, fixing bolts and a first stamping head, the fixing bolts are mounted on two sides of the first mounting seat, and the first stamping head is fixed on the inner side of the first mounting seat; the fixing bolt is connected with the first mounting seat through threads, and the first stamping head is made of high-chromium alloy.
So set up, when first punching press head wearing and tearing seriously need be changed, the antiport fixing bolt make it with first mount pad separation, with two fixing bolt all pulls down the back first punching press head with first mount pad separation can be renewed first punching press head, the change process is simple and convenient.
Preferably, the dismounting assembly comprises a second mounting seat, a threaded column and a second punching head, the threaded column is fixed in the second mounting seat, and the second punching head is fixed below the threaded column; the threaded column is connected with the second mounting seat through threads, and the second stamping head is welded with the threaded column.
According to the arrangement, when the second stamping head is seriously worn and needs to be replaced, the second stamping head reversely rotates, the second stamping head drives the threaded column to rotate, the threaded column rotates and is separated from the second mounting seat, the threaded column can be replaced after the second mounting seat is completely separated, and the replacement process is simple and convenient.
Preferably, the set casing with first bottom plate welding, first motor with the set casing passes through bolted connection, gu fixed ring with the set casing welding, the carousel with gu fixed ring rotates to be connected, the one-tenth seat with the carousel welding.
So set up, gu fixed ring can be right the carousel supports, has effectively improved the stability of carousel in stamping process to the punching press effect of guaranteeing the hardware is not influenced.
Preferably, the mounting bracket is welded to the second base plate, the hydraulic cylinder is connected to the mounting bracket through bolts, and the second motor is connected to the mounting bracket through bolts.
So set up, during the punching press, the second motor drives the flabellum rotates, thereby the flabellum rotates and cools off the device, can effectively avoid high temperature to cause the damage of whole device.
Preferably, fixed frame with the welding of third bottom plate, the protective housing with fixed frame welding, the third motor with the protective housing passes through bolted connection, the mounting panel with the electric putter welding, the electro-magnet with the mounting panel passes through bolted connection.
So set up, the hardware after the shaping is rotatory arrive during the electro-magnet below, electric putter extension drives the electro-magnet descends and hardware contact, thereby the electro-magnet circular telegram adsorbs the hardware, electric putter shrink drives the electro-magnet normal position that resumes, the third motor drives the rotatory one hundred eighty degrees of electro-magnet, electric putter extension drives the hardware and descends to corresponding height, the electro-magnet outage no longer adsorbs the hardware, and the hardware drops under the effect of gravity on the conveyer belt of next process, adopts the hardware after the electro-magnet will be followed take out in the profile modeling seat, need not artifical manual taking, effectively improved production efficiency.
Compared with the prior art, the utility model has the following beneficial effects:
1. by arranging the stamping mechanism, the dismounting assembly enables the first stamping head/the second stamping head to be convenient to dismount, and the first stamping head/the second stamping head is easy to replace when the first stamping head/the second stamping head is seriously worn, so that the use effect of the device is effectively improved;
2. through setting up transfer mechanism, adopt the electro-magnet to take out the hardware after the shaping from the shaping seat, need not artifical manual taking, effectively improved production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first structural schematic diagram of a stamping device for hardware processing according to the present invention;
FIG. 2 is a second structural schematic diagram of a stamping device for hardware processing according to the utility model;
FIG. 3 is a first front view of the internal structure of the stamping device for hardware processing according to the present invention;
FIG. 4 is a second front view of the internal structure of the stamping device for hardware processing according to the present invention;
fig. 5 is a schematic structural diagram of a turntable in a stamping device for hardware processing according to the utility model.
The reference numerals are explained below:
1. a rotation mechanism; 101. a first base plate; 102. a stationary case; 103. a first motor; 104. a fixing ring; 105. a turntable; 106. forming a base; 2. a stamping mechanism; 201. a second base plate; 202. a mounting frame; 203. a hydraulic cylinder; 204. a piston rod; 205. disassembling and assembling the components; 2051. a first mounting seat; 2052. fixing the bolt; 2053. a first punch; 2054. a second mounting seat; 2055. a threaded post; 2056. a second punch; 206. a second motor; 207. a fan blade; 3. a transfer mechanism; 301. a third base plate; 302. a fixing frame; 303. a protective shell; 304. a third motor; 305. a rotating rod; 306. an electric push rod; 307. mounting a plate; 308. an electromagnet.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The utility model will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1, 3 and 5, a stamping device for hardware processing comprises a rotating mechanism 1 for driving the hardware to rotate, a stamping mechanism 2 for stamping the hardware, and a transfer mechanism 3 for transferring the formed hardware to the next process, wherein the stamping mechanism 2 is installed on one side of the rotating mechanism 1, and the transfer mechanism 3 is installed on the other side of the rotating mechanism 1;
the rotating mechanism 1 comprises a first bottom plate 101, a fixed shell 102, a first motor 103, a fixed ring 104, a rotary table 105 and a forming base 106, wherein the fixed shell 102 is arranged above the first bottom plate 101, the fixed ring 104 is arranged on the fixed shell 102, the first motor 103 is arranged in the fixed shell 102, the rotary table 105 is fixed above the first motor 103, and the forming base 106 is fixed above the rotary table 105;
the stamping mechanism 2 comprises a second bottom plate 201, a mounting frame 202, a hydraulic cylinder 203, a piston rod 204, a dismounting assembly 205, a second motor 206 and fan blades 207, the mounting frame 202 is fixed above the second bottom plate 201, the hydraulic cylinder 203 is fixed above the mounting frame 202, the piston rod 204 is installed on the hydraulic cylinder 203, the dismounting assembly 205 is installed below the piston rod 204, the second motor 206 is fixed on the side surface of the mounting frame 202, and the fan blades 207 are installed on the second motor 206;
the transfer mechanism 3 comprises a third bottom plate 301, a fixed frame 302, a protective shell 303, a third motor 304, a rotating rod 305, an electric push rod 306, a mounting plate 307 and an electromagnet 308, wherein the fixed frame 302 is installed above the third bottom plate 301, the protective shell 303 is installed above the fixed frame 302, the third motor 304 is fixed inside the protective shell 303, the rotating rod 305 is fixed on the third motor 304, the electric push rod 306 is installed below the rotating rod 305, the mounting plate 307 is fixed below the electric push rod 306, and the electromagnet 308 is fixed below the mounting plate 307.
The dismounting assembly 205 comprises a first mounting seat 2051, fixing bolts 2052 and a first punching head 2053, wherein the fixing bolts 2052 are mounted on two sides of the first mounting seat 2051, and the first punching head 2053 is fixed on the inner side of the first mounting seat 2051; the fixed bolt 2052 is in threaded connection with the first mounting seat 2051, and the first punching head 2053 is made of high-chromium alloy; when the first punching head 2053 is seriously worn and needs to be replaced, the fixing bolts 2052 are rotated reversely to separate the fixing bolts 2052 from the first mounting seat 2051, the first punching head 2053 can be replaced by a new first punching head 2053 after the two fixing bolts 2052 are detached from the first mounting seat 2051, and the replacement process is simple and convenient. The fixed shell 102 is welded with the first bottom plate 101, the first motor 103 is connected with the fixed shell 102 through bolts, the fixed ring 104 is welded with the fixed shell 102, the rotary table 105 is rotationally connected with the fixed ring 104, and the forming base 106 is welded with the rotary table 105; the fixing ring 104 can support the turntable 105, so that the stability of the turntable 105 in the stamping process is effectively improved, and the stamping effect of the hardware is not affected. The mounting frame 202 is welded with the second base plate 201, the hydraulic cylinder 203 is connected with the mounting frame 202 through bolts, and the second motor 206 is connected with the mounting frame 202 through bolts; during punching, the second motor 206 drives the fan blade 207 to rotate, so that the fan blade 207 rotates to cool the device, and the damage to the whole device caused by high temperature can be effectively avoided. The fixed frame 302 is welded with the third bottom plate 301, the protective shell 303 is welded with the fixed frame 302, the third motor 304 is connected with the protective shell 303 through bolts, the mounting plate 307 is welded with the electric push rod 306, and the electromagnet 308 is connected with the mounting plate 307 through bolts; when the hardware after the shaping is rotatory to electro-magnet 308 below, electric putter 306 extends and drives electro-magnet 308 decline and hardware contact, thereby electro-magnet 308 circular telegram adsorbs the hardware, electric putter 306 contracts and drives electro-magnet 308 and resume the normal position, the rotatory one hundred eighty degrees of electric electromagnet 308 that drives of third motor 304, electric putter 306 extends and drives the hardware and descend to corresponding height, electro-magnet 308 outage no longer adsorbs the hardware, the hardware drops on the conveyer belt of next process under the effect of gravity, adopt electro-magnet 308 to take out the hardware after the shaping from shaping seat 106, need not artifical manual taking, production efficiency has effectively been improved.
In the above structure: when the device is used, a manipulator puts hardware into the forming base 106, the first motor 103 drives the turntable 105 to rotate, the turntable 105 drives the hardware to rotate, the first motor 103 stops operating after the hardware rotates below the first stamping head 2053, the hydraulic cylinder 203 controls the piston rod 204 to extend, the piston rod 204 extends to drive the first stamping head 2053 to descend, the first stamping head 2053 descends to stamp the hardware, during stamping, the second motor 206 drives the fan blade 207 to rotate, the fan blade 207 rotates to cool the device, after one-time stamping is completed, the first motor 103 continues to drive the turntable 105 to rotate, so that a new hardware is moved below the first stamping head 2053, when the formed hardware rotates below the electromagnet 308, the electric push rod 306 extends to drive the electromagnet 308 to descend to contact with the hardware, the electromagnet 308 is electrified to adsorb the hardware, the electric push rod 306 contracts to drive the electromagnet 308 to recover the original position, third motor 304 drives the rotatory one hundred eighty degrees of electro-magnet 308, electric putter 306 extends and drives the hardware and descend corresponding height, electro-magnet 308 outage no longer adsorbs the hardware, the hardware drops on the conveyer belt of next process under the effect of gravity, when first punching press head 2053 wearing and tearing seriously need change, the fixed bolt 2052 of antiport makes its and first mount pad 2051 separation, first punching press head 2053 separates with first mount pad 2051 after all tearing down two fixed bolt 2052, can more renew first punching press head 2053.
Example 2
As shown in fig. 2, 4 and 5, the difference between the embodiment 2 and the embodiment 1 is that the first mounting seat 2051, the fixing bolt 2052 and the first stamping head 2053 are replaced by the second mounting seat 2054, the threaded column 2055 and the second stamping head 2056, when the device is used, the manipulator puts hardware into the forming seat 106, the first motor 103 drives the turntable 105 to rotate, the turntable 105 drives the hardware to rotate, the first motor 103 stops operating after the hardware rotates below the second stamping head 2056, the hydraulic cylinder 203 controls the piston rod 204 to extend, the piston rod 204 extends to drive the second stamping head 2056 to descend, the second stamping head 2056 descends to stamp the hardware, during stamping, the second motor 206 drives the fan blade 207 to rotate, the fan blade 207 rotates to cool the device, the first motor 103 continues to drive the turntable 105 to rotate after one-time stamping, so as to move new hardware below the second stamping head 2056, when the hardware after the shaping is rotatory to electro-magnet 308 below, electric putter 306 extends and drives electro-magnet 308 decline and hardware contact, thereby electro-magnet 308 circular telegram adsorbs the hardware, electric putter 306 contracts and drives electro-magnet 308 and resume the normal position, third motor 304 drives the rotatory one hundred eighty degrees of electro-magnet 308, electric putter 306 extends and drives the hardware and descend corresponding height, electro-magnet 308 outage no longer adsorbs the hardware, the hardware drops on the conveyer belt of next process under the effect of gravity, when second punching press head 2056 wearing and tearing seriously need be changed, reverse rotation second punching press head 2056, second punching press head 2056 drives screw post 2055 and rotates, screw post 2055 rotates and separates with second mount pad 2054, second punching press head 2056 that can more renew after screw post 2055 and second mount pad 2054 complete separation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides a stamping device for hardware processing, is including being used for driving rotatory rotary mechanism (1) of hardware, its characterized in that: the stamping mechanism (2) is used for stamping the hardware, and the transfer mechanism (3) is used for transferring the formed hardware to the next process, wherein the stamping mechanism (2) is arranged on one side of the rotating mechanism (1), and the transfer mechanism (3) is arranged on the other side of the rotating mechanism (1);
the rotating mechanism (1) comprises a first bottom plate (101), a fixed shell (102), a first motor (103), a fixed ring (104), a rotary table (105) and a forming seat (106), wherein the fixed shell (102) is installed above the first bottom plate (101), the fixed ring (104) is installed on the fixed shell (102), the first motor (103) is installed inside the fixed shell (102), the rotary table (105) is fixed above the first motor (103), and the forming seat (106) is fixed above the rotary table (105);
the stamping mechanism (2) comprises a second bottom plate (201), a mounting frame (202), a hydraulic cylinder (203), a piston rod (204), a dismounting component (205), a second motor (206) and fan blades (207), wherein the mounting frame (202) is fixed above the second bottom plate (201), the hydraulic cylinder (203) is fixed above the mounting frame (202), the piston rod (204) is installed on the hydraulic cylinder (203), the dismounting component (205) is installed below the piston rod (204), the second motor (206) is fixed on the side surface of the mounting frame (202), and the fan blades (207) are installed on the second motor (206);
transfer mechanism (3) include third bottom plate (301), fixed frame (302), protective housing (303), third motor (304), bull stick (305), electric putter (306), mounting panel (307), electro-magnet (308), install third bottom plate (301) top fixed frame (302), install fixed frame (302) top protective housing (303), protective housing (303) inside is fixed with third motor (304), be fixed with on third motor (304) bull stick (305), install bull stick (305) below electric putter (306), electric putter (306) below is fixed with mounting panel (307), mounting panel (307) below is fixed with electro-magnet (308).
2. The stamping device for hardware processing of claim 1, wherein: the dismounting assembly (205) comprises a first mounting seat (2051), fixing bolts (2052) and a first punching head (2053), wherein the fixing bolts (2052) are mounted on two sides of the first mounting seat (2051), and the first punching head (2053) is fixed on the inner side of the first mounting seat (2051); the fixing bolt (2052) is in threaded connection with the first mounting seat (2051), and the first punching head (2053) is made of high-chromium alloy.
3. The stamping device for hardware processing as claimed in claim 1, wherein: the dismounting assembly (205) comprises a second mounting seat (2054), a threaded column (2055) and a second punching head (2056), the threaded column (2055) is fixed in the second mounting seat (2054), and the second punching head (2056) is fixed below the threaded column (2055); the threaded column (2055) is in threaded connection with the second mounting seat (2054), and the second punching head (2056) is welded with the threaded column (2055).
4. The stamping device for hardware processing as claimed in claim 1, wherein: fixed shell (102) with first bottom plate (101) welding, first motor (103) with fixed shell (102) pass through bolted connection, fixed ring (104) with fixed shell (102) welding, carousel (105) with fixed ring (104) rotate to be connected, shaping seat (106) with carousel (105) welding.
5. The stamping device for hardware processing of claim 1, wherein: the mounting frame (202) is welded with the second bottom plate (201), the hydraulic cylinder (203) is connected with the mounting frame (202) through bolts, and the second motor (206) is connected with the mounting frame (202) through bolts.
6. The stamping device for hardware processing of claim 1, wherein: fixed frame (302) with third bottom plate (301) welding, protective housing (303) with fixed frame (302) welding, third motor (304) with protective housing (303) pass through bolted connection, mounting panel (307) with electric putter (306) welding, electro-magnet (308) with mounting panel (307) pass through bolted connection.
CN202123098959.8U 2021-12-10 2021-12-10 Stamping device for hardware processing Active CN216705620U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123098959.8U CN216705620U (en) 2021-12-10 2021-12-10 Stamping device for hardware processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123098959.8U CN216705620U (en) 2021-12-10 2021-12-10 Stamping device for hardware processing

Publications (1)

Publication Number Publication Date
CN216705620U true CN216705620U (en) 2022-06-10

Family

ID=81883046

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123098959.8U Active CN216705620U (en) 2021-12-10 2021-12-10 Stamping device for hardware processing

Country Status (1)

Country Link
CN (1) CN216705620U (en)

Similar Documents

Publication Publication Date Title
CN102642107B (en) Workpiece locating device of multi-motorcycle-type welding production line of general motors
CN216705620U (en) Stamping device for hardware processing
CN114082832A (en) Stamping equipment of aluminum alloy pipe
CN218425166U (en) Press machine die convenient to replace
CN112847387B (en) Transfer robot convenient to it is fixed
CN112007986A (en) Whisker reinforced aluminum-based composite material self-cleaning stamping device
CN210059463U (en) Stamping die convenient to product location
CN208331620U (en) A kind of portable mechanism electronic product machining sets back-up monitoring equipment
CN220637693U (en) Multi-station adsorption type die rotating seat
CN218015146U (en) Continuous stamping die of automobile brake pad
CN216804383U (en) Punch press is used in production of sealed plastic-aluminum zip-top ring lid of bottle
CN218228026U (en) Diamond raw material flattening device
CN215747994U (en) Cutter replacing device for automatic cutting machine
CN216175949U (en) Novel many connecting rods punching press mechanism
CN213317186U (en) Stamping die with cooling device
CN215310855U (en) Quick assembly disassembly device of chuck type filter
CN211053590U (en) Special puller for disassembling motor insert
CN217700972U (en) Stamping die is used in dysmorphism processing
CN213807994U (en) Aerating device that installation performance is high
CN218015115U (en) Vehicle spandrel girder stamping workpiece processing mould of removable punching press head
CN220492397U (en) Crimping machine for power engineering
CN214184783U (en) Sheet metal component indent bending device
CN213559344U (en) Stamping device for aluminum frame of LED lamp
CN213001929U (en) Oil-free air compressor's eccentric wheel hole shaping device
CN210452904U (en) Pure mechanical arm scissors tool of moulding

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant