CN221314394U - Die-cut processing stop gear of pearl cotton - Google Patents

Die-cut processing stop gear of pearl cotton Download PDF

Info

Publication number
CN221314394U
CN221314394U CN202322838431.2U CN202322838431U CN221314394U CN 221314394 U CN221314394 U CN 221314394U CN 202322838431 U CN202322838431 U CN 202322838431U CN 221314394 U CN221314394 U CN 221314394U
Authority
CN
China
Prior art keywords
fixedly connected
support frame
plate
pearl cotton
axial
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
CN202322838431.2U
Other languages
Chinese (zh)
Inventor
盛剑豪
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.)
Jinhua Shaikang Plastic Industry Technology Co ltd
Original Assignee
Jinhua Shaikang Plastic Industry 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 Jinhua Shaikang Plastic Industry Technology Co ltd filed Critical Jinhua Shaikang Plastic Industry Technology Co ltd
Priority to CN202322838431.2U priority Critical patent/CN221314394U/en
Application granted granted Critical
Publication of CN221314394U publication Critical patent/CN221314394U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Treatment Of Fiber Materials (AREA)

Abstract

The utility model relates to a pearl cotton punching and processing limiting mechanism, which comprises a support frame, wherein a through groove penetrating up and down is formed in the left side of the support frame, a limiting plate is inserted into the through groove, one side of the limiting plate is provided with an up-down intermittent reciprocating mechanism, so that the pearl cotton blank is limited by the limiting plate, the position of the limiting plate determines the length of the pearl cotton blank required to be processed by a cutter, the right side of the support frame is also provided with a front-back axial rotating rod, two axial ends of the rotating rod are respectively and movably connected with the support frame through a mounting plate, two axial ends of the rotating rod are respectively and coaxially provided with a torsion spring, the other axial end of the torsion spring is fixedly connected with the mounting plate, and when the torsion spring is not influenced by external force, one end of the pressing plate, far away from the rotating rod, is abutted with the support frame, so that the pearl cotton blank is mechanically segmented by utilizing an abutting effect, and the deflection of the pearl cotton blank between the pressing plate and the limiting plate caused by the right side of the pearl cotton blank by an operator is avoided.

Description

Die-cut processing stop gear of pearl cotton
Technical Field
The utility model relates to the technical field of pearl cotton processing auxiliary instruments, in particular to a cutting and processing limiting mechanism for pearl cotton.
Background
The polyethylene foam cotton is a non-crosslinked closed cell structure, also called pearl cotton, and is a novel environment-friendly packaging material. It is composed of low-density polyethylene resin which is physically foamed to generate countless independent bubbles.
The pearl cotton has low cost and strong elasticity and deformation resistance, so the pearl cotton is mostly used for packaging equipment, and is generally used as packaging equipment, an embedding hole is formed in the pearl cotton, and equipment to be protected is placed into the embedding hole to form full-scale protection.
At present, the pearl cotton is generally perforated in a punching mode, and in practice, the position of the pearl cotton needs to be limited because the fixing position of a cutter of a punching machine is unchanged, so that the perforation position is ensured to meet the expectations.
However, the pearl cotton is mainly used for packaging, and the processing steps are simpler, so that the pearl cotton belongs to low-added-value industry, the profit value is reduced, the pearl cotton is conveyed in a structure, and the processing difficulty is lower, so that the structure of a punching machine adopted by most foam cotton processing factories at present is simpler, and a corresponding limiting mechanism is lacked.
Therefore, we consider that there is a need for a pearl wool punching and processing limiting mechanism that can cooperate with the existing punching machine to limit the pearl wool, and avoid improving the existing punching machine, thereby reducing the production cost and the labor cost.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a limiting mechanism for the punching processing of pearl wool, which has the advantages of being adaptable to most punching machines and limiting the punching processing process of the pearl wool, and solves the defects that the device in the prior art can not limit the punching processing of the pearl wool and needs to rely on manual control of a pure-cooked worker.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a die-cut processing stop gear of pearl cotton, includes the support frame, and logical groove that runs through from top to bottom has been seted up in the support frame left side, and it has the limiting plate to peg graft in the logical inslot, limiting plate one side is provided with intermittent type reciprocating motion mechanism from top to bottom, the support frame right side is provided with axial dwang from top to bottom, and dwang both axial ends are respectively through mounting panel and support frame swing joint, and dwang both axial ends are equipped with a torsional spring with the axle sleeve respectively, and torsional spring other axial end and mounting panel fixed connection, fixedly connected with clamp plate on the dwang, when the torsional spring does not receive external force influence, dwang one end and support frame butt are kept away from to the clamp plate.
Preferably, the up-down intermittent reciprocating mechanism comprises a sliding rail fixedly connected with the lower end of the limiting plate, a driving shaft with a horizontal central axis is inserted in the sliding rail, the other axial end of the driving shaft protrudes out of the sliding rail and is eccentrically and fixedly connected with a rotating disc, one axial end of the rotating disc is coaxially and fixedly connected with a driven gear, a driving disc is arranged on the lower side of the driven gear, a plurality of gear teeth are fixedly connected with the end face of the side of the driving disc in the circumferential direction, the gear teeth are in meshed transmission connection with the driven gear, and one axial end of the driving disc is coaxially and fixedly connected with a driving motor.
Preferably, the longitudinal section of the driving shaft is of a T-shaped structure, the smaller diameter part of the driving shaft is in eccentric fixed connection with the rotating disc, the outer side of the smaller diameter part of the driving shaft is sleeved with a roller, and the roller is abutted against the inner wall of the sliding rail.
Preferably, the other axial end of the driven gear is rotationally connected with a rotating shaft, a limiting ring is fixedly connected to the driving motor, and the rotating shaft is fixedly connected with the limiting ring through a mounting frame and a supporting frame.
Preferably, each mounting panel lower extreme fixedly connected with is the slider of I shape structure for the longitudinal section, has seted up the spout to the less part of slider width on the support frame, in the slider embedding spout, both sides are fixedly connected with fixed plate respectively around the support frame upper end, and the fixed plate is located the mounting panel right side, and axial stretching about every fixed plate left side fixedly connected with, extension spring another axial end and mounting panel fixed connection, every peg graft in the extension spring has control axial telescopic link, telescopic link both axial ends respectively with fixed plate, mounting panel fixed connection.
Preferably, the telescopic rods are of a structure that a plurality of sections of sleeves are nested with each other, a damping ring sleeve is sleeved on the outer side end surface of each sleeve, and the elastic force exerted on the mounting plate by the tension spring is larger than the resistance of each telescopic rod for changing the length.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the pearl cotton blanks are limited by the limiting plates, the positions of the limiting plates determine the lengths of the pearl cotton blanks to be processed by the cutter, and the device is not connected with the original punching machine, so that the device can cope with the processing processes of various lengths.
According to the utility model, the pearl cotton blank is mechanically segmented by abutting the pressing plate with the pearl cotton blank, so that the deflection of the pearl cotton blank between the pressing plate and the limiting plate caused by the fact that an operator applies force to the right side of the pearl cotton blank is avoided.
The utility model does not need to improve the original punching machine, and can be matched with the device only by adjusting the punching length of the punching machine, so that the device can be matched with most punching machines.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the connection between a limiting plate and a sliding rail according to the present utility model;
FIG. 3 is a schematic diagram of the connection of a driving disk and a driven gear according to the present utility model;
FIG. 4 is a schematic view of the connection of the extension spring to the fixed plate of the present utility model;
FIG. 5 is a schematic view of the connection of the telescopic rod and the damping collar of the present utility model.
In the figure: 1. a support frame; 2. a through groove; 3. a limiting plate; 4. a mounting frame; 5. a telescopic rod; 6. a slide block; 7. a mounting plate; 8. a tension spring; 9. a torsion spring; 10. a chute; 11. a slide rail; 12. a rotating disc; 13. a rotating shaft; 14. a driven gear; 15. a driving motor; 16. a roller; 17. a drive shaft; 18. gear teeth; 19. a drive plate; 20. a pressing plate; 21. a fixing plate; 22. damping ring cover.
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.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-5, a pearl cotton punching and processing limit mechanism comprises a support frame 1, wherein a through groove 2 penetrating up and down is formed in the left side of the support frame 1, and a limit plate 3 is inserted into the through groove 2, so that the limit plate 3 can do up-and-down linear motion relative to the support frame 1, the limit plate 3 can limit a pearl cotton blank when moving upwards to protrude out of the through groove 2, the position of the pearl cotton blank to be processed can be matched with the position of a punching tool, and the limit of a pearl cotton processing finished product piece can be released when the limit plate 3 moves downwards to be immersed in the support frame 1, so that the limit plate can be separated from the device.
The up-down intermittent reciprocating mechanism is arranged on one side of the limiting plate 3, so that the up-down movement of the limiting plate 3 is realized, and the movement state of the limiting plate 3 can be kept unchanged in a certain period of time in the processing process.
Specifically, the up-down intermittent reciprocating mechanism includes a slide rail 11 fixedly connected to the lower end of the limiting plate 3, and in practice, the slide rail 11 and the limiting plate 3 can only perform up-down linear motion due to the existence of the through groove 2.
The sliding rail 11 is inserted with a driving shaft 17 with a horizontal central axis, the other axial end of the driving shaft 17 protrudes out of the sliding rail 11 and is eccentrically and fixedly connected with a rotating disk 12, in practice, the driving shaft 17 can do front-back linear motion relative to the sliding rail 11 due to the existence of the sliding rail 11, and at the moment, the rotating disk 12 drives the driving shaft 17 to do eccentric rotation so as to drive the limiting plate 3 to do up-down linear motion.
Furthermore, the longitudinal section of the driving shaft 17 is of a T-shaped structure, the smaller diameter part of the driving shaft 17 is eccentrically and fixedly connected with the rotating disc 12, the roller 16 is sleeved on the outer side of the smaller diameter part of the driving shaft 17, the roller 16 is abutted against the inner wall of the sliding rail 11, and the resistance applied to the roller 16 and the driving shaft 17 in the process of performing front-rear linear motion relative to the sliding rail 11 can be sufficiently reduced by utilizing the relative rotation between the roller 16 and the sliding rail 11, so that the load of a power source is reduced.
One axial end of the rotary disk 12 is coaxially and fixedly connected with a driven gear 14, and the driven gear 14 rotates to drive the rotary disk 12 to rotate.
The driven gear 14 downside is provided with driving disk 19, and driving disk 19 side terminal surface circumference fixedly connected with a plurality of teeth of a cogwheel 18, teeth of a cogwheel 18 and driven gear 14 meshing transmission connection, driving disk 19 drive teeth of a cogwheel 18 then can drive driven gear 14 rotation.
The included angle between the two gear teeth 18 at the two ends is not equal to 360 degrees, so that the driven gear 14 is not driven in the process of completely rotating the driving disc 19 for one circle, and intermittent rotation of the driven gear 14 can be realized at the moment, and intermittent up-down linear motion of the limiting plate 3 is realized.
One axial end of the driving disc 19 is coaxially and fixedly connected with a driving motor 15 as a power source.
Specifically, the other axial end of the driven gear 14 is rotationally connected with a rotating shaft 13, a limiting ring is fixedly connected to a driving motor 15, and the rotating shaft 13 and the limiting ring are fixedly connected with the support frame 1 through the mounting frame 4 so as to fix and limit the up-down intermittent reciprocating mechanism.
The support frame 1 right side is provided with front and back axial dwang, dwang both axial ends are respectively through mounting panel 7 and support frame 1 swing joint, fixedly connected with clamp plate 20 on the dwang, clamp plate 20 can the dwang central axis take place to rotate for support frame 1 for the rotation line promptly, thereby make when pearl cotton embryo material butt clamp plate 20, when pearl cotton embryo material is located the dwang below, clamp plate 20 is located pearl cotton embryo material top this moment, then can guarantee through clamp plate 20 to pearl cotton embryo material butt and lie in the pearl cotton embryo material between limiting plate 3 and clamp plate 20 level and smooth this moment, avoid because of the transmission of force when processing longer pearl cotton embryo material, the user leads to being located the pearl cotton embryo material skew between limiting plate 3 and the clamp plate 20 when keeping away from limiting plate 3 one end to longer pearl cotton embryo material and exerts the thrust.
The two axial ends of the rotating rod are respectively coaxially sleeved with a torsion spring 9, the other axial end of the torsion spring 9 is fixedly connected with the mounting plate 7, so that the pressing plate 20 can be automatically reset by utilizing the torsion spring 9, and when the torsion spring 9 is not affected by external force, the pressing plate 20 is far away from one end of the rotating rod and is abutted with the support frame 1, so that the pressing plate 20 can be automatically turned over and abutted to the upper end of the pearl cotton blank under normal conditions.
It should be emphasized that, because the pressing plate 20 is disposed obliquely, and by disposing the pressing plate as shown in fig. 4, the inclination angle with respect to the horizontal plane can be relatively large, so that when the pearl cotton blank passes under the rotating rod and is initially abutted against the pressing plate 20, the pushing force of the pearl cotton blank in the horizontal direction applied on the pressing plate 20 is relatively close to the direction of the force required for rotating the pressing plate 20, which makes the user install the pearl cotton blank in place without additionally adjusting the position of the pressing plate 20.
However, as shown in fig. 4, the device is still provided with a corresponding driving plate on the other side of the upper pressing plate 20 of the rotating rod, which is convenient for the user to rotate the pressing plate 20 upwards, and is mainly used for coping with the pearl cotton blank with thinner part thickness so as to make the pearl cotton blank easier to deform.
Simultaneously, every mounting panel 7 lower extreme fixedly connected with slider 6 that longitudinal section is I shape structure, the spout 10 has been seted up to slider 6 width less part on the support frame 1, thereby slider 6 embedding spout 10 is interior to make dwang and clamp plate 20 position adjustable for this device can adapt to the cotton embryo material of pearl of different thickness more.
Based on this, further, both sides are fixed connection respectively around the support frame 1 upper end fixed plate 21, and fixed plate 21 is located mounting panel 7 right side, and axial extension spring 8 about every fixed plate 21 left side fixedly connected with, thereby extension spring 8 another axial end and mounting panel 7 fixed connection make dwang and clamp plate 20 drive the cotton embryo material of pearl that is located clamp plate 20 below have the trend of keeping away from limiting plate 3, and this action can further guarantee that the embryo material that is located between limiting plate 3 and the clamp plate 20 is level and smooth, laminating punching press platform.
And, peg graft in every extension spring 8 have control axial telescopic link 5, telescopic link 5 both ends are respectively with fixed plate 21, mounting panel 7 fixed connection to utilize telescopic link 5 to retrain mounting panel 7 motion track, in fact because must exist certain clearance between spout 10 and the slider 6 and just make mounting panel 7 can take place to slide for support frame 1, consequently, in order to avoid mounting panel 7 to drive clamp plate 20 and destroy pearl cotton stock roughness for the motion of pearl cotton stock, this device retrain its motion track through telescopic link 5.
Specifically, the telescopic rod 5 is a structure with a plurality of sections of sleeves mutually nested.
It should be emphasized that the outer end face of each sleeve is sleeved with a damping ring sleeve 22, and the central axes of the plurality of sleeves can be guaranteed to be coincident as much as possible through the damping ring sleeve 22, so that the mounting plate 7 can only do left-right rectilinear motion.
Meanwhile, the damping ring sleeve 22 can counteract the tension of part of the tension spring 8 on the mounting plate 7, so that the tension of the pressing plate 20 on the pearl cotton blank on the horizontal level is reduced, and the condition that the structure of the pearl cotton blank is damaged due to overlarge tension applied by the pressing plate 20 is avoided, and therefore the elasticity applied by the tension spring 8 on the mounting plate 7 is larger than the resistance applied by each telescopic rod 5 for changing the length, and the proper tension applied by the pressing plate 20 on the pearl cotton blank is ensured.
The utility model is in the actual use process:
Firstly, the pearl cotton blank passes through the lower end of a rotating rod, the pearl cotton blank applies leftward pushing force to a pressing plate 20, at the moment, a torsion spring 9 is compressed, the upper end face of the pearl cotton blank is abutted against the pressing plate 20, at the moment, the pressing plate 20 applies downward and rightward driving force to the pearl cotton blank;
Then, continuously pushing the pearl cotton blank until the left end face of the pearl cotton blank is abutted against the limiting plate 3, and starting a punching machine to carry out a first punching process;
Finally, the driving motor 15 is started at this moment, the limiting plate 3 performs up-and-down intermittent reciprocating motion, when the limiting plate 3 moves downwards and is pressed for the first time, at this moment, the cutter moves upwards, at this moment, the pearl cotton blank is continuously pushed to push the pearl cotton finished product workpiece to the left side of the limiting plate 3, when the limiting plate 3 moves upwards, the pushing of the pearl cotton blank is stopped, at this moment, the second punching is started, and at this moment, the cutter moves downwards.
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 (6)

1. A die-cut processing stop gear of pearl cotton, its characterized in that: the device comprises a support frame (1), wherein a through groove (2) penetrating up and down is formed in the left side of the support frame (1), a limiting plate (3) is inserted into the through groove (2), and an up-down intermittent reciprocating mechanism is arranged on one side of the limiting plate (3);
The right side of the support frame (1) is provided with a front-back axial rotating rod, two axial ends of the rotating rod are respectively and movably connected with the support frame (1) through a mounting plate (7), two axial ends of the rotating rod are respectively and coaxially sleeved with a torsion spring (9), and the other axial end of the torsion spring (9) is fixedly connected with the mounting plate (7);
And a pressing plate (20) is fixedly connected to the rotating rod, and when the torsion spring (9) is not affected by external force, one end of the pressing plate (20) away from the rotating rod is abutted against the support frame (1).
2. The pearl wool punching and processing limit mechanism according to claim 1, wherein: the upper intermittent reciprocating mechanism comprises a sliding rail (11) fixedly connected with the lower end of the limiting plate (3), a driving shaft (17) with a horizontal central axis is inserted into the sliding rail (11), the other axial end of the driving shaft (17) protrudes out of the sliding rail (11) and is eccentrically and fixedly connected with a rotating disc (12);
One axial end of the rotating disc (12) is coaxially and fixedly connected with a driven gear (14), a driving disc (19) is arranged at the lower side of the driven gear (14), a plurality of gear teeth (18) are circumferentially and fixedly connected with the side end surface of the driving disc (19), and the gear teeth (18) are in meshed transmission connection with the driven gear (14);
One axial end of the driving disc (19) is coaxially and fixedly connected with a driving motor (15).
3. The pearl wool punching and processing limit mechanism according to claim 2, wherein: the longitudinal section of the driving shaft (17) is of a T-shaped structure, a smaller diameter part of the driving shaft (17) is eccentrically and fixedly connected with the rotating disc (12), a roller (16) is sleeved on the outer side of the smaller diameter part of the driving shaft (17), and the roller (16) is abutted against the inner wall of the sliding rail (11).
4. The pearl wool punching and processing limit mechanism according to claim 2, wherein: the other axial end of the driven gear (14) is rotationally connected with a rotating shaft (13), a limiting ring is fixedly connected to the driving motor (15), and the rotating shaft (13) is fixedly connected with the supporting frame (1) through the mounting frame (4) and the limiting ring.
5. The pearl wool punching and processing limit mechanism according to claim 1, wherein: the lower end of each mounting plate (7) is fixedly connected with a sliding block (6) with an I-shaped longitudinal section, a sliding groove (10) is formed in the support frame (1) aiming at the smaller width part of the sliding block (6), and the sliding block (6) is embedded into the sliding groove (10);
The front side and the rear side of the upper end of the support frame (1) are respectively and fixedly connected with a fixing plate (21), the fixing plates (21) are positioned on the right side of the mounting plate (7), the left side of each fixing plate (21) is fixedly connected with left-right axial stretching, and the other axial end of the stretching spring (8) is fixedly connected with the mounting plate (7);
Each extension spring (8) is internally inserted with a left axial telescopic rod (5) and a right axial telescopic rod (5), and two axial ends of the telescopic rods (5) are respectively fixedly connected with a fixed plate (21) and a mounting plate (7).
6. The pearl wool punching and processing limit mechanism according to claim 5, wherein: the telescopic rods (5) are of a mutually nested structure of a plurality of sections of sleeves, damping ring sleeves (22) are sleeved on the outer side end surfaces of the sleeves, and the elastic force exerted on the mounting plate (7) by the tension springs (8) is larger than the resistance of the telescopic rods (5) for changing the length.
CN202322838431.2U 2023-10-23 2023-10-23 Die-cut processing stop gear of pearl cotton Active CN221314394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322838431.2U CN221314394U (en) 2023-10-23 2023-10-23 Die-cut processing stop gear of pearl cotton

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322838431.2U CN221314394U (en) 2023-10-23 2023-10-23 Die-cut processing stop gear of pearl cotton

Publications (1)

Publication Number Publication Date
CN221314394U true CN221314394U (en) 2024-07-12

Family

ID=91800779

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322838431.2U Active CN221314394U (en) 2023-10-23 2023-10-23 Die-cut processing stop gear of pearl cotton

Country Status (1)

Country Link
CN (1) CN221314394U (en)

Similar Documents

Publication Publication Date Title
CN102320055B (en) Linear cutting machine
CN107042555A (en) A kind of automatic scar removing machine for timbers
CN112476063B (en) Drilling and deburring all-in-one machine for mechanical production
CN201151818Y (en) Cloth cross-cutting device of ultrasonic wiping cloth cross-cutting machine
CN106903520A (en) A kind of clamp assembly of clamping square cross
CN221314394U (en) Die-cut processing stop gear of pearl cotton
CN110449960A (en) A kind of deep processing numerically-controlled machine tool
CN213497761U (en) Clamping jig for CNC (computer numerical control) part machining
CN208944886U (en) A kind of veneer reeling machine with limiting device
CN114871830B (en) Main shaft material loading formula digit control machine tool
CN208811675U (en) A kind of CNC processing raising product function device
CN209477412U (en) A kind of cutting machine with rubber rollers
CN207696123U (en) A kind of processing unit (plant) with band steel Machining Arc shape part
CN207107837U (en) A kind of workpiece holding translation mechanism
CN221434511U (en) Steel plate bending machine with bending degree adjusting function
CN219054590U (en) Cutter calibrating mechanism of transverse cutting machine
CN114682682B (en) Punching and shearing punching machine tool convenient for replacing cutter
CN215710526U (en) High-speed film cutting machine with buffering protection function
CN217070846U (en) Gear secondary centering device
CN109693133A (en) A kind of processing of lock core with cutting device in high precision
CN215547073U (en) Feeding mechanism for full-automatic cutting machine
CN218252248U (en) Bending machine for aluminum product processing
CN220297973U (en) Plastic packaging bag processing and cutting device
CN217889182U (en) Stamping device of fastener production and processing usefulness
CN113714659B (en) Femtosecond laser cutting device for SMT template

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant