CN220446624U - Cutting device for electric blanket - Google Patents

Cutting device for electric blanket Download PDF

Info

Publication number
CN220446624U
CN220446624U CN202322123493.5U CN202322123493U CN220446624U CN 220446624 U CN220446624 U CN 220446624U CN 202322123493 U CN202322123493 U CN 202322123493U CN 220446624 U CN220446624 U CN 220446624U
Authority
CN
China
Prior art keywords
main
electric blanket
fixing
welded
main body
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
CN202322123493.5U
Other languages
Chinese (zh)
Inventor
李逍遥
赵刘杰
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.)
Tianjin Zhouyu New Materials Technology Co ltd
Original Assignee
Tianjin Zhouyu New Materials Technology 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 Tianjin Zhouyu New Materials Technology Co ltd filed Critical Tianjin Zhouyu New Materials Technology Co ltd
Priority to CN202322123493.5U priority Critical patent/CN220446624U/en
Application granted granted Critical
Publication of CN220446624U publication Critical patent/CN220446624U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Shearing Machines (AREA)

Abstract

The utility model provides an electric blanket cutting device, which relates to the technical field of electric blanket cutting and comprises a workbench main body and a fixing mechanism, wherein four corners of the lower end of the workbench main body are welded with main supporting columns, the lower end of each main supporting column is welded with a main base, the upper end of the workbench main body is provided with the fixing mechanism, and the surface of the workbench main body is provided with a main chute. This electric blanket cutting device, through fixed establishment's setting, place the initial end of electric blanket at the cushion upper end of the fixed frame internal surface of side, this moment electric blanket initial end is firmly held fixedly, then adjust the position of main fixed frame according to cutting length, then remove the fixed frame of side, place the initial end of electric blanket at the internal surface upper end of main fixed frame, cut the work, when cutting, use the fixed frame of side to pull the electric blanket, fix by the fixed frame of main again after pulling the assigned position, make its electric blanket keep the level forever, its effect of tailorring has been improved.

Description

Cutting device for electric blanket
Technical Field
The utility model relates to the technical field of electric blanket cutting, in particular to an electric blanket cutting device.
Background
The cutting device of the electric blanket usually completes cutting according to preset sizes and shapes, improves production efficiency and consistency of products, the cutting work of the electric blanket needs to follow some basic principles to ensure safety and accuracy, firstly, the sizes and shapes of the electric blanket to be cut need to be clearly known, and proper tools are selected according to the sizes and shapes to perform cutting.
The utility model with the patent number of CN214655946U discloses a rapid cutting device of an electric blanket, which comprises a cloth frame and a table plate, wherein the cloth frame comprises two bottom feet and first branch pipes erected on the two bottom feet, and the bottom feet are provided with first branch grooves for placing the first branch pipes; the table plate is provided with a supporting group and a cutting group, the supporting group comprises two fixed legs and a second branch pipe erected on the two fixed legs, the fixed legs are provided with fixed blocks and supports, the supports are provided with second branch grooves capable of placing the second branch pipes, and the fixed blocks are provided with fixed grooves clamped into the table plate and knobs for pressing the table plate; the cutting group comprises a cutting frame, a push rod and a positioning seat fixed on the table plate, wherein the push rod is positioned between the table plate and the cutting frame, the cutting frame is provided with a slide rod and a cutting machine, the cutting machine is in sliding connection with the cutting frame, and the positioning seat is provided with a plurality of rotatable pulleys clung to two sides of the slide rod. The utility model has simple structure, convenient operation of workers, high cutting speed and low manufacturing cost. However, when the electric blanket is cut, the electric blanket is required to be manually pulled to a designated position and then cut, and when the electric blanket is manually pulled, the electric blanket is not fixed, so that the electric blanket is wrinkled or deflected in the pulling process, and the cutting size is deviated.
Thus, we provide an electric blanket cutting device.
Disclosure of Invention
The utility model aims to provide an electric blanket cutting device which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric blanket cutting device, includes workstation main part and fixed establishment, the lower extreme four corners of workstation main part all welds there is the main support post, the lower extreme welding of main support post has the main base, the upper end of workstation main part is provided with fixed establishment, the main spout has been seted up on the surface of workstation main part, the inside of main spout is provided with the slider, the upper end one side welding of slider has the dead lever, the upper end both sides of workstation main part all weld the supporting seat, the inside swivelling joint of supporting seat has the connecting axle, the outside fixedly connected with auxiliary roller of connecting axle, one side of supporting seat is provided with the fixing base, automatic guillootine is installed to the one end of fixing base, the guide slot has all been seted up to the both sides of workstation main part, the inside of guide slot is provided with the guide block, one side fixedly connected with slide bar, the outside of slide bar is provided with vice fixed, the one end welding of guide block has the connecting seat, the upper end both sides welding of connecting seat has the support frame, the upper end both sides of support frame all have the knob, the vice base of the lower extreme welding of support column.
Preferably, the fixing mechanism comprises a main chute, a sliding block, a fixing rod, a main fixing knob, a main fixing frame, a fixing screw, a pressing block, an auxiliary chute, a roller, a short shaft, a connecting block, a side fixing frame, a cushion, a movable hole, a pull rod, a pressing plate, a spring and a handle.
Preferably, the sliding block is in sliding connection with the workbench main body through the main sliding groove, and the outer side of the fixing rod is in threaded connection with a main fixing knob.
Preferably, a main fixing frame is welded on the other side of the upper end of the sliding block, a fixing screw is connected to the inner side of the upper surface of the main fixing frame in a threaded manner, and a pressing block is connected to the lower end of the fixing screw in a rotary manner.
Preferably, the auxiliary sliding grooves are formed in two sides of the main sliding groove, the roller is connected in a sliding mode in the auxiliary sliding groove, the short shaft is connected in a rotating mode in the roller, the connecting block is welded on one side of the short shaft, and the side fixing frame is welded on the upper end of the connecting block.
Preferably, the inside surface adhesion of the fixed frame of side is connected with the cushion, the movable hole has all been seted up to the upper surface both sides of the fixed frame of side, the inside in movable hole is provided with the pull rod, the lower extreme welding of pull rod has the clamp plate, the upper end both sides of clamp plate all weld the spring, the clamp plate passes through the spring and constitutes elastic construction with the fixed frame of side, one side welding of the fixed frame of side has the handle.
Preferably, the guide block is in sliding connection with the workbench main body through the guide groove, and the sliding rod is in threaded connection with the auxiliary fixing knob.
Compared with the prior art, the utility model has the beneficial effects that:
this electric blanket cutting device, through fixed establishment's setting, when cutting the electric blanket, insert the initial end of electric blanket to auxiliary roller lower extreme, then upwards pull the pull rod, the pull rod drives the clamp plate and upwards moves, the spring is in compression state this moment, then places the initial end of electric blanket at the cushion upper end of the inside surface of side fixed frame, release the pull rod after placing, the spring resumes deformation this moment, the clamp plate is extruded down, clamp plate and side fixed frame extrusion cooperation each other, firmly grasp the initial end of electric blanket fixed. Then adjust the position of main fixed frame according to cutting length, loosen main fixed knob, adjust the position of main fixed frame, main fixed frame drives the slider and slides in main spout, after the regulation finishes, screw up main fixed knob, has accomplished the fixed position to main fixed frame this moment.
Then, the handle is held to the left side of the workbench main body to move the side fixing frame until the initial end of the electric blanket is horizontal to the position of the main fixing frame, then the initial end of the electric blanket is placed at the upper end of the inner surface of the main fixing frame, the fixing screw is manually rotated to drive the pressing block to move downwards, so that the initial end of the electric blanket is fixed, then the pull rod is pulled upwards, at the moment, the initial end of the electric blanket loses the fixing of the side fixing frame, then moves to the right side of the workbench main body to move to the side fixing frame, after moving to the right side of the fixing seat, the pull rod is loosened, at the moment, the side fixing frame secondarily fixes the position of the electric blanket, then cutting work is carried out, after cutting is finished, the operation is continuously circulated, and when cutting is carried out, the electric blanket is pulled to the designated position by the main fixing frame, so that the electric blanket is kept horizontal forever, and the cutting effect is improved.
Drawings
FIG. 1 is a schematic view of the electrical blanket cutting device of the present utility model;
FIG. 2 is an exploded view of the cutting device of the electric blanket according to the present utility model;
FIG. 3 is a schematic view of the structure of the fixing screw of the present utility model mated with the main fixing frame;
fig. 4 is a schematic view of the structure of the spring and the pressing plate of the present utility model.
Reference numerals in the drawings: 1. a table main body; 2. a main support column; 3. a main base; 4. a fixing mechanism; 401. a main chute; 402. a slide block; 403. a fixed rod; 404. a main fixing knob; 405. a main fixing frame; 406. a fixed screw; 407. briquetting; 408. an auxiliary chute; 409. a roller; 410. a short shaft; 411. a connecting block; 412. a side fixing frame; 413. a soft cushion; 414. a movable hole; 415. a pull rod; 416. a pressing plate; 417. a spring; 418. a handle; 5. a support base; 6. a connecting shaft; 7. an auxiliary drum; 8. a fixing seat; 9. an automatic cutting machine; 10. a guide groove; 11. a guide block; 12. a slide bar; 13. a secondary fixing knob; 14. a connecting seat; 15. a support frame; 16. a shaft lever; 17. an auxiliary support column; 18. and a sub-base.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an electric blanket cutting device, including workstation main part 1 and fixed establishment 4, the lower extreme four corners of workstation main part 1 has all welded main support post 2, main base 3 has been welded to the lower extreme of main support post 2, the upper end of workstation main part 1 is provided with fixed establishment 4, main spout 401 has been seted up on the surface of workstation main part 1, the inside of main spout 401 is provided with slider 402, the upper end one side welding of slider 402 has dead lever 403, the upper end both sides of workstation main part 1 have all welded supporting seat 5, the inside swivelling joint of supporting seat 5 has connecting axle 6, the outside fixedly connected with auxiliary roller 7 of connecting axle 6, one side of supporting seat 5 is provided with fixing base 8, automatic guillootine 9 is installed to one end of fixing base 8, guide slot 10 has all been seted up to the both sides of workstation main part 1, the inside of guide slot 10 is provided with guide block 11, one side fixedly connected with slide bar 12 of guide block 11, the outside of slide bar 12 is provided with vice fixed knob 13, the one end welding of guide block 11 has connecting seat 14, the upper end both sides welding of connecting seat 14 has support 15, the upper end both sides of support frame 16 have vice support post 17 welding seat 17, the lower end of support post 17 has vice welding seat 17.
Further, the fixing mechanism 4 includes a main chute 401, a slider 402, a fixing rod 403, a main fixing knob 404, a main fixing frame 405, a fixing screw 406, a pressing block 407, a sub chute 408, a roller 409, a short shaft 410, a connecting block 411, a side fixing frame 412, a cushion 413, a movable hole 414, a pull rod 415, a pressing plate 416, a spring 417 and a handle 418, when cutting, the electric blanket is pulled by the side fixing frame 412, and is fixed by the main fixing frame 405 after being pulled to a designated position, so that the electric blanket is always kept horizontal, and the cutting effect is improved.
Further, the sliding block 402 is in sliding connection with the workbench main body 1 through the main sliding groove 401, the outer side of the fixing rod 403 is in threaded connection with the main fixing knob 404, the position of the main fixing frame 405 is adjusted according to the cutting length, the main fixing knob 404 is loosened, the position of the main fixing frame 405 is adjusted, the main fixing frame 405 drives the sliding block 402 to slide in the main sliding groove 401, after the adjustment is completed, the main fixing knob 404 is screwed, and at the moment, the position fixing of the main fixing frame 405 is completed.
Further, a main fixing frame 405 is welded on the other side of the upper end of the sliding block 402, a fixing screw 406 is connected to the inner side of the upper surface of the main fixing frame 405 in a threaded manner, a pressing block 407 is rotatably connected to the lower end of the fixing screw 406, the initial end of the electric blanket is placed on the upper end of the inner surface of the main fixing frame 405, the fixing screw 406 is manually rotated, and the pressing block 407 is driven by the fixing screw 406 to move downwards, so that the initial end of the electric blanket is fixed.
Further, the two sides of the main chute 401 are both provided with the auxiliary chute 408, the inside of the auxiliary chute 408 is slidably connected with the roller 409, the inside of the roller 409 is rotatably connected with the short shaft 410, one side of the short shaft 410 is welded with the connecting block 411, the upper end of the connecting block 411 is welded with the side fixing frame 412, the handle 418 is held by hand, the side fixing frame 412 is moved to the left side of the workbench main body 1 until the initial end of the electric blanket is horizontal with the position of the main fixing frame 405, after the fixing of the main fixing frame 405 is completed, the pull rod 415 is pulled upwards, at this time, the initial end of the electric blanket loses the fixing of the side fixing frame 412, then the side fixing frame 412 is moved to the right side of the workbench main body 1, in the moving process of the side fixing frame 412, the side fixing frame 412 drives the connecting block 411 to move to one side, the roller 409 slides in the auxiliary chute 408 through the short shaft 410, so that the movement is smoother, after the connecting block 411 moves to the right side of the fixing seat 8, the pull rod 415 is released, at this time, the position of the electric blanket is secondarily fixed by the side fixing frame 412, then the cutting work is performed, and after the cutting work is finished, the operation is continued.
Further, the inner surface adhesion of the side fixing frame 412 is connected with the soft pad 413, the movable holes 414 are formed in two sides of the upper surface of the side fixing frame 412, the pull rods 415 are arranged in the movable holes 414, the pressing plates 416 are welded at the lower ends of the pull rods 415, springs 417 are welded at two sides of the upper ends of the pressing plates 416, the pressing plates 416 and the side fixing frame 412 form an elastic structure through the springs 417, the handles 418 are welded at one side of the side fixing frame 412, the pull rods 415 are pulled upwards, the pressing plates 416 are driven by the pull rods 415 to move upwards, at the moment, the springs 417 are in a compressed state, then the initial ends of the electric blanket are placed at the upper ends of the soft pad 413 on the inner surface of the side fixing frame 412, after the placement is completed, the pull rods 415 are loosened, at the moment, the springs 417 recover to deform, the pressing plates 416 are pressed downwards, and the pressing plates 416 are matched with the side fixing frame 412 in an extrusion mode, and the initial ends of the electric blanket are firmly clamped and fixed.
Further, the guide block 11 is in sliding connection with the workbench main body 1 through the guide groove 10, the sliding rod 12 is in threaded connection with the auxiliary fixing knob 13, when an electric blanket is cut, the distance between the shaft rod 16 and the auxiliary roller 7 can be adjusted according to the actual curling degree of the electric blanket, the auxiliary fixing knob 13 can be unscrewed, then the connecting seat 14 is moved to drive the guide block 11 to slide in the guide groove 10 through the movable connecting seat 14, the connecting seat 14 drives the shaft rod 16 to move to one side through the supporting frame 15, after adjustment is completed, the auxiliary fixing knob 13 is screwed, then the coiled raw material roll of the electric blanket is inserted into the outer side of the shaft rod 16, and then the initial end of the electric blanket is inserted into the lower end of the auxiliary roller 7.
Working principle: firstly, an electric blanket cutting device is moved to a working position, firstly, when an electric blanket is cut, the distance between a shaft lever 16 and an auxiliary roller 7 can be adjusted according to the actual curling degree of the electric blanket, an auxiliary fixing knob 13 can be unscrewed, then a connecting seat 14 is moved to drive a guide block 11 to slide in a guide groove 10 by moving the connecting seat 14, the connecting seat 14 drives the shaft lever 16 to move to one side through a supporting frame 15, after the adjustment is finished, the auxiliary fixing knob 13 is screwed up, secondly, a coiled electric blanket raw material roll is inserted outside the shaft lever 16, then the initial end of the electric blanket is inserted to the lower end of the auxiliary roller 7, thirdly, a pull rod 415 is pulled upwards, the pull rod 415 drives a pressing plate 416 to move upwards, at the moment, a spring 417 is in a compressed state, then the initial end of the electric blanket is placed at the upper end of a soft cushion 413 on the inner surface of a side fixing frame 412, after the placement is completed, the pull rod 415 is released, at this time, the springs 417 recover to deform, the pressing plate 416 is pressed downwards, the pressing plate 416 and the side fixing frames 412 are mutually pressed and matched, the initial end of the electric blanket is firmly clamped and fixed, the position of the main fixing frame 405 is adjusted according to the cutting length, the main fixing knob 404 is released, the position of the main fixing frame 405 is adjusted, the main fixing frame 405 drives the sliding block 402 to slide in the main sliding groove 401, after the adjustment is completed, the main fixing knob 404 is screwed up, at this time, the position of the main fixing frame 405 is fixed, the side fixing frame 412 is moved towards the left side of the workbench main body 1 by the hand-held handle 418 until the initial end of the electric blanket is horizontal with the position of the main fixing frame 405, the initial end of the electric blanket is placed at the upper end of the inner surface of the main fixing frame 405, the fixing screw 406 is manually rotated, the pressing block 407 is driven by the fixing screw 406 to move downwards, thus fix the initial end of the electric blanket, the sixth step, after the main fixed frame 405 is fixed, then pull the tie rod 415 upwards, the initial end of the electric blanket loses the fixation of the side fixed frame 412 at this moment, then move the side fixed frame 412 to the right side of the main body 1 of the working table, in the course of moving the side fixed frame 412, the side fixed frame 412 drives the connecting block 411 to move to one side, the connecting block 411 drives the roller 409 to slide in the auxiliary chute 408 through the short shaft 410, make it move more smooth, seventh step, after moving to the right side of the fixed seat 8, release the tie rod 415, the side fixed frame 412 carries on the secondary fixation to the position where the electric blanket is located at this moment, then cut out the work, after finishing cutting, continue to circulate the above-mentioned operation, thus has finished a kind of electric blanket cutting device's use.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The electric blanket cutting device is characterized by comprising a workbench main body (1) and a fixing mechanism (4), wherein main supporting columns (2) are welded at four corners of the lower end of the workbench main body (1), a main base (3) is welded at the lower end of each main supporting column (2), the fixing mechanism (4) is arranged at the upper end of the workbench main body (1), a main sliding groove (401) is formed in the surface of the workbench main body (1), a sliding block (402) is arranged in the main sliding groove (401), a fixing rod (403) is welded at one side of the upper end of the sliding block (402), a supporting seat (5) is welded at two sides of the upper end of the workbench main body (1), a connecting shaft (6) is connected in a rotating mode, an auxiliary roller (7) is fixedly connected at the outer side of each connecting shaft (6), a fixing seat (8) is arranged at one side of each supporting seat (5), an automatic cutting machine (9) is arranged at one end of each fixing seat (8), guide grooves (10) are formed in two sides of the workbench main body (1), guide grooves (10) are formed in one side, a sliding block (12) is arranged at one side (12), one end welding of guide block (11) has connecting seat (14), support frame (15) have all been welded to the upper end both sides of connecting seat (14), axostylus axostyle (16) are installed to the upper end of support frame (15), auxiliary support column (17) have all been welded to the lower extreme both sides of connecting seat (14), auxiliary base (18) have been welded to the lower extreme of auxiliary support column (17).
2. The electric blanket cutting device according to claim 1, wherein the fixing mechanism (4) comprises a main chute (401), a slider (402), a fixing rod (403), a main fixing knob (404), a main fixing frame (405), a fixing screw (406), a pressing block (407), a sub chute (408), a roller (409), a short shaft (410), a connecting block (411), a side fixing frame (412), a cushion (413), a movable hole (414), a pull rod (415), a pressing plate (416), a spring (417) and a handle (418).
3. An electric blanket cutting device according to claim 1, wherein the sliding block (402) is in sliding connection with the workbench main body (1) through the main sliding groove (401), and the outer side of the fixing rod (403) is in threaded connection with a main fixing knob (404).
4. An electric blanket cutting device according to claim 1, wherein a main fixing frame (405) is welded on the other side of the upper end of the sliding block (402), a fixing screw (406) is connected to the inner side of the upper surface of the main fixing frame (405) in a threaded manner, and a pressing block (407) is connected to the lower end of the fixing screw (406) in a rotary manner.
5. An electric blanket cutting device according to claim 1, wherein the two sides of the main chute (401) are provided with auxiliary chutes (408), the inside of each auxiliary chute (408) is slidably connected with a roller (409), the inside of each roller (409) is rotatably connected with a short shaft (410), one side of each short shaft (410) is welded with a connecting block (411), and the upper end of each connecting block (411) is welded with a side fixing frame (412).
6. The electric blanket cutting device according to claim 5, wherein the inner surface of the side fixing frame (412) is adhered and connected with a soft pad (413), movable holes (414) are formed in two sides of the upper surface of the side fixing frame (412), pull rods (415) are arranged in the movable holes (414), pressing plates (416) are welded at the lower ends of the pull rods (415), springs (417) are welded at two sides of the upper ends of the pressing plates (416), the pressing plates (416) and the side fixing frame (412) form an elastic structure through the springs (417), and handles (418) are welded at one side of the side fixing frame (412).
7. An electric blanket cutting device according to claim 1, wherein the guide block (11) is slidably connected to the table main body (1) through the guide groove (10), and the sliding rod (12) is in threaded connection with the auxiliary fixing knob (13).
CN202322123493.5U 2023-08-08 2023-08-08 Cutting device for electric blanket Active CN220446624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322123493.5U CN220446624U (en) 2023-08-08 2023-08-08 Cutting device for electric blanket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322123493.5U CN220446624U (en) 2023-08-08 2023-08-08 Cutting device for electric blanket

Publications (1)

Publication Number Publication Date
CN220446624U true CN220446624U (en) 2024-02-06

Family

ID=89725187

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322123493.5U Active CN220446624U (en) 2023-08-08 2023-08-08 Cutting device for electric blanket

Country Status (1)

Country Link
CN (1) CN220446624U (en)

Similar Documents

Publication Publication Date Title
CN210614723U (en) Novel sheet metal is bent supplementary device
CN220446624U (en) Cutting device for electric blanket
CN219855037U (en) Material cutting device
CN217452780U (en) Metal plate welding equipment for goods shelf production
CN214870358U (en) Trench pipe of shallow slot and production device thereof
CN216181276U (en) Polyphenyl board line cutting machine
CN112171602B (en) Shallow trench groove pipe and production device thereof
CN115090799A (en) Building steel bar thread rolling machine
CN114178609B (en) Steel sheet ration cutting device for building
CN207188533U (en) Rapid changing knife Automatic-clamping numerical control hydraulic folding brake
CN219443013U (en) Bending and forming device for bench production
CN110102822A (en) A kind of pipe cutting machine
CN220128905U (en) Cutting device
CN218947250U (en) Die head polishing puncher
CN218170725U (en) Furniture is cutting machine for panel processing convenient to it is tight
CN216179749U (en) High pressure jet grouting pile slip casting pipe positioning adjustment structure
CN212144995U (en) Pipeline opening cutting machine
CN219025430U (en) Auxiliary feeding device of drawing machine
CN217528827U (en) Bending degree adjustable bending machine
CN216327129U (en) Grinding device for production based on die accessories
CN219543333U (en) PE tubular product processing is with shearing frock
CN212525530U (en) Hydraulic plate bending machine
CN214684519U (en) Steel cutting machine
CN214920036U (en) Bending machine convenient for angle adjustment
CN220653626U (en) Clamp plate-adjustable fixture for machining circuit board

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant