CN212352116U - Cutting mechanism and adhesive tape sticking device - Google Patents
Cutting mechanism and adhesive tape sticking device Download PDFInfo
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- CN212352116U CN212352116U CN202020897870.4U CN202020897870U CN212352116U CN 212352116 U CN212352116 U CN 212352116U CN 202020897870 U CN202020897870 U CN 202020897870U CN 212352116 U CN212352116 U CN 212352116U
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Abstract
The utility model relates to the technical field of automation equipment, in particular to a cutting mechanism and a rubberizing device, wherein the cutting mechanism comprises a unreeling shaft, a material pulling component, a material pressing component and a cutting component, the material pulling component comprises a material pulling driving piece and a clamping jaw cylinder, and the material pulling driving piece can drive the clamping jaw cylinder to reciprocate; the pressing component comprises a pressing driving part and a pressing part; the cutting assembly comprises a mounting seat, a cutter and a cutter driving piece, the cutter driving piece can drive the cutter to cut off the material belt between the pressing piece and the clamping jaw cylinder along the material cutting direction, and the material cutting direction is parallel to the surface of the material belt and is perpendicular to the conveying direction of the material belt. When cutting glue, the cutter at first contacts with the border in material area, and the area of contact in cutter and material area is little, and the effort is big, and the material area tensioning can cut off the material area fast, reduces the deflection that the material area produced under the cutter effect, improves and cuts the quality.
Description
Technical Field
The utility model relates to an automation equipment technical field especially relates to a cut mechanism and rubberizing device.
Background
Nowadays, a wide variety of automation devices are used more and more. For example, with the rapid development of electronic technology, the use of electronic products is becoming more and more widespread, the battery industry is also rapidly developing, and the number of batteries required is increasing. In the production process of the battery, a rubberizing procedure is often involved. When the adhesive tape is pasted, the adhesive tape is pulled out for a preset distance, then the cutter moves along the direction vertical to the surface of the adhesive tape to cut the adhesive tape so as to obtain the adhesive tape meeting the length requirement, and then the adhesive tape is pasted on a product. However, when the cutter contacts the adhesive tape along the direction perpendicular to the surface of the adhesive tape, the contact area between the cutter and the adhesive tape is large, the pressure intensity is small, and the adhesive tape can generate large deformation in the movement direction of the cutter, so that the adhesive tape sticking quality is affected. This problem is not only present when cutting the tape, but also when cutting the rest of the strip of material, which has a certain elasticity.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cut mechanism and rubberizing device, when aiming at solving the cutter and cutting off the material area along the direction on perpendicular material area surface, thereby the material area can produce the problem of the great deformation influence material area cut the quality in cutter direction of motion.
In order to solve the above problem, the utility model provides a cutting mechanism, include:
the unwinding shaft is used for mounting a material tray;
the material pulling assembly comprises a material pulling driving piece and a clamping jaw air cylinder, and the material pulling driving piece can drive the clamping jaw air cylinder to reciprocate along the conveying direction of the material belt so as to pull out the material belt along the conveying direction;
the pressing component comprises a pressing driving part and a pressing part, and the pressing driving part can drive the pressing part to reciprocate along the direction vertical to the surface of the material belt; and
the cutting assembly comprises a mounting seat, a cutter and a cutter driving piece, wherein the cutter driving piece is arranged on the mounting seat and can drive the cutter to cut off the material belt between the clamping jaw cylinder and the pressing piece along the material cutting direction, and the material cutting direction is parallel to the surface of the material belt and is vertical to the conveying direction of the material belt.
Additionally, the utility model provides a rubberizing device, including the aforesaid cut mechanism and inhale the material subassembly, inhale the material subassembly including inhaling the material driving piece and inhaling the material piece, it is located along the transfer path in material area to inhale the material piece the clamping jaw cylinder with press between the material piece, and be located the upper reaches of cutter, just it can drive to inhale the material driving piece inhale the direction reciprocating motion of material piece along perpendicular to material area surface.
Implement the embodiment of the utility model provides a, will have following beneficial effect:
when the cutting mechanism works, the material tray is arranged on the unreeling shaft, and the material pulling driving piece drives the clamping jaw air cylinder to move so as to pull out the material belt along the conveying direction. Then, the pressing driving part drives the pressing part to be close to the material belt along the direction perpendicular to the surface of the material belt, and the pressing part compresses the material belt so that the material belt between the pressing part and the clamping jaw air cylinder is kept in a tensioning state. Then, the cutter driving piece drives the cutter to cut off the material belt between the clamping jaw air cylinder and the pressing piece along the material cutting direction. Because the blank direction is on a parallel with the material area surface to it is perpendicular with the direction of transfer in material area, the cutter at first with the border contact in material area, the area of contact in cutter and material area is little, the effort is big, and the material area tensioning, the cutter can cut off the material area fast, reduces the deformation that the material area produced under the cutter effect, improves and cuts the quality, thereby improves the rubberizing quality that uses this rubberizing device who cuts the mechanism. Simultaneously, after the cutter cuts off the material area between clamping jaw cylinder and the material pressing piece, the clamping jaw cylinder or the material pressing piece continue to compress tightly the material area to prevent the material area to retract, then pull out by the clamping jaw cylinder along the transfer route in material area in next work cycle.
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, 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.
Wherein:
FIG. 1 is a front view of a suction device in one embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of a viewing angle of the cutting assembly of FIG. 1;
FIG. 4 is a schematic view of the cutting assembly of FIG. 3 from another perspective;
FIG. 5 is a schematic view of a portion of the structure of FIG. 1;
FIG. 6 is a schematic view of the pulling assembly of FIG. 1;
FIG. 7 is a schematic view of the press assembly of FIG. 1;
fig. 8 is a schematic view of the suction assembly of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring mainly to fig. 1 and 2, an embodiment of the present invention provides a rubberizing device, including a substrate 10, and an unwinding shaft 20, a pulling assembly 30, a pressing assembly 40, a sucking assembly 50, and a cutting assembly 60 mounted on the substrate 10. The unwinding shaft 20 is used for mounting a tray 200, and the tray 200 is formed by winding an adhesive tape; the material pulling assembly 30 is located downstream of the unwinding shaft 20 and comprises a material pulling driving part 31 and a clamping jaw air cylinder 32, wherein the material pulling driving part 31 can drive the clamping jaw air cylinder 32 to reciprocate along the conveying direction of the material belt 300 so as to pull out the material belt 300 along the conveying direction; the pressing assembly 40 is located between the unwinding shaft 20 and the pulling assembly 30, and includes a pressing driving member 41 and a pressing member 42, the pressing driving member 41 can drive the pressing member 42 to reciprocate along a direction perpendicular to the surface of the tape 300; the material suction assembly 50 comprises a material suction driving member 51 and a material suction member 53, the material suction member 53 can be in the structural form of a sucker or a material suction roller, etc., the material suction member 53 is positioned between the material pressing member 42 and the clamping jaw cylinder 32 along the conveying path of the material belt 300, and the material suction driving member 51 can drive the material suction member 53 to reciprocate along the direction vertical to the surface of the material belt 300; the cutting assembly 60 includes a mounting seat 61, a cutter 62 and a cutter driving member 63, the cutter driving member 63 is disposed on the mounting seat 61, and can drive the cutter 62 to cut off the material tape 300 between the pressing member 42 and the suction member 53 along a material cutting direction, the material cutting direction is parallel to the surface of the material tape 300 and perpendicular to the conveying direction of the material tape 300, that is, the viewing direction of fig. 2.
When the rubberizing device works, a material tray 200 is arranged on the unwinding shaft 20, the material pulling driving piece 31 drives the clamping jaw air cylinder 32 to move towards the direction close to the unwinding shaft 20, and the clamping jaw air cylinder 32 clamps the material belt 300 to reset so as to pull out the material belt 300 along the conveying direction. Then, the pressing driving unit 41 and the sucking driving unit 51 respectively drive the pressing member 42 and the sucking member 53 to approach the tape 300 along a direction perpendicular to the surface of the tape 300, the pressing member 42 presses the tape 300, so that the tape 300 between the pressing member 42 and the clamping jaw cylinder 32 is kept in a tensioned state, and the sucking member 53 sucks the tape 300 between the pressing member 42 and the clamping jaw cylinder 32. Then, the cutter driving member 63 drives the cutter 62 to cut the tape 300 between the pressing member 42 and the suction member 53 in the cutting direction. After the material belt 300 is cut, the material sucking driving member 51 drives the material sucking member 53 to move the cut material belt 300 to the gluing position, and the material pressing member 42 continues to press the material belt 300 to wait for the next work cycle of the material pulling assembly 30. Because the blank direction is on a parallel with material area 300 surface to it is perpendicular with the direction of delivery of material area 300, cutter 62 at first contacts with the border of material area 300, and cutter 62 is little with the area of contact of material area 300, and the effort is big, and material area 300 tensioning, and cutter 62 can cut off material area 300 fast, reduces the deflection that material area 300 produced under the effect of cutter 62, improves the rubberizing quality.
It should be noted that in other embodiments, the arrangement of the components may be different. For example, the pulling assembly 30 may also be disposed upstream of the pressing assembly 40, the sucking assembly 50, and the cutting assembly 60. In the initial state, the gripper cylinder 32 grips the strip 300 and a portion of the strip 300 extends. When gluing, the material pulling driving part 31 drives the clamping jaw air cylinder 32 to move towards the material pressing component 40, the material pressing part 42 presses the material belt 300 extending out of the clamping jaw air cylinder 32, then the clamping jaw air cylinder 32 resets and re-clamps the material belt 300, and the material sucking part 53 moves downwards to suck the material belt 300. Then, the cutter driving member 63 drives the cutter 62 to cut the tape 300 between the suction member 53 and the jaw cylinder 32. Finally, the pressing member 42 releases the tape 300, and the suction driving member 51 drives the suction member 53 to adhere the tape 300 to the surface of the product.
Further, referring to fig. 3 and 4, an included angle between the extending direction F of the cutting edge of the cutter 62 and the material cutting direction M is an obtuse angle, and the extending direction of the cutting edge is the direction from the position of the cutting edge close to the tool holder to the tool tip. The blade is in oblique contact with the tape 300, so that the contact area of the cutter 62 with the tape 300 can be further reduced, the tape 300 can be cut off more quickly, and the deformation of the tape 300 can be further reduced.
Referring also to fig. 2, the cutting assembly 60 further includes a protective casing 64 disposed on the mounting base 61, and the cutting knife 62 is located in the protective casing 64 at an initial position, so as to improve the safety performance of the cutting assembly 60.
Referring mainly to fig. 4, the cutting assembly 60 further includes a sliding rail 65 and a sliding block 66 which are in sliding fit, the sliding rail 65 is disposed on the mounting seat 61, and the cutter 62 is connected with the cutter driving member 63 through the sliding block 66, so that the cutter 62 moves more stably, and the cut of the material tape 300 is smoother.
In addition, the cutting assembly 60 further comprises a limiting member 67 arranged on the mounting base 61, and the limiting member 67 is used for limiting the limit position of the movement of the cutting knife 62, so that the cutting knife 62 moves within a preset range, and the safety performance of the cutting assembly 60 is improved. A buffer pad can be further installed on the limiting member 67 to play a role of buffering.
It should be noted that, in the present embodiment, the mounting seat 61 and the pressing member 42 are located at two opposite sides of the tape 300, and the pressing member 42 can press the tape 300 onto the mounting seat 61. With such an arrangement, the cutting assembly 60 can be fully utilized, and the number of parts can be reduced. Moreover, the mounting seat 61 is provided with an air hole 611, the adhesive tape sticking device further comprises a vacuum generator, and the air hole 611 is communicated with the vacuum generator, so that the material tape 300 can be tightly adsorbed on the mounting seat 61. Therefore, when the pressing member 42 moves downwards to press the material belt 300, the material belt 300 between the pressing member 42 and the mounting seat 61 is more flat, and the phenomenon that the material belt 300 wrinkles to affect the rubberizing quality is avoided. Of course, in other embodiments, the pressing assembly 40 may further include a support for supporting the pressing member 42, the support is fixed on the base plate 10, and the pressing member 42 presses the material tape 300 onto the support instead of the mounting seat 61 during pressing.
Referring mainly to fig. 5, in the present embodiment, the tape dispenser has two unwinding shafts 20, and the two unwinding shafts 20 have different lengths, so that two trays 200 mounted on the two unwinding shafts 20 are arranged at intervals along the axial direction of the unwinding shafts 20 to simultaneously feed two tapes 300, and thus, the tape dispenser can simultaneously paste the two tapes 300 onto a product. The taping device further includes rollers disposed along the transfer path of the tape 300 such that the tape 300 is disposed along the preset transfer path and tensions the tape 300. It will be appreciated that the length of the rollers used to transport the different strips 300 will vary, depending on the length of the unwind reel 20. The roller 221 corresponds to the unwinding shaft 20 with a short length, the roller 222 corresponds to the unwinding shaft 20 with a long length, and the length of the roller 221 is shorter than that of the roller 222, so that the tape 300 is always conveyed in a plane perpendicular to the unwinding shaft 20. The two tapes 300 are finally adjusted to the same height, and for this reason, the length of the roller 223 located downstream of the rollers 221 and 222 cannot be shorter than that of the roller 222, and the roller 223 simultaneously contacts the two tapes 300 to convey the two tapes 300 in parallel along the same height.
It can be understood that, since the unwinding shaft 20 simultaneously conveys two strips of material 300, correspondingly, there are two cutters 62, one strip of material 300 for each cutter 62, so as to simultaneously cut off two strips of material 300, thereby improving the working efficiency of the cutting assembly 60. The two strips of material 300 may also be cut by the same cutter 62. Likewise, two gripper cylinders 32 are provided. Of course, one gripper cylinder 32 may be used to pull both strips of material 300 simultaneously. Of course, the number of the tape 300 is not limited to two, and the specific number is determined according to the product requirement.
In addition, the tape adhering device further comprises a sensor 23, the sensor 23 is disposed on the delivery path of the unwinding shaft 20 and the tape 300 to detect the tension of the tape 300, the length of the drawn tape, whether the tape 300 is deviated, and the like, so as to detect the delivery condition of the tape 300, and the sensor 23 can be further connected with a controller to control the structure of the tape adhering device according to the condition detected by the sensor 23.
Referring mainly to fig. 6, the material pulling driving member 31 includes a base 311, a material pulling motor 312, a material pulling gear 313, and a material pulling rack 314, the base 311 is fixed on the substrate 10, the material pulling motor 312 is fixed on the base 311 and connected to the material pulling gear 313, the material pulling rack 314 is slidably connected to the base 311 and engaged with the material pulling gear 313, the material pulling motor 312 drives the material pulling rack 314 to reciprocate along the conveying direction of the material tape 300 through the material pulling gear 313, and the clamping jaw cylinder 32 is connected to the material pulling rack 314.
When the material belt 300 needs to be conveyed, the material pulling motor 312 rotates to drive the clamping jaw cylinder 32 to move through the material pulling gear 313 and the material pulling rack 314, so as to pull out the material belt 300. By adopting the form of the gear rack, the material pulling rack 314 is connected with the base 311 in a sliding manner, and the material pulling rack 314 is always meshed with the material pulling gear 313 in the moving process, so that the movement of the material pulling rack 314 is more stable. Moreover, the arrangement direction of the pulling motor 312 is perpendicular to the direction of the pulling rack 314, so that the space in each direction can be fully utilized, and the excessive space occupied by the pulling assembly 30 in the length direction of the pulling rack 314 can be reduced. In addition, compared with the mode that the clamping jaw air cylinder 32 is driven to move by an air cylinder, the mode that the gear rack is adopted can save cost. Meanwhile, the control precision of the motor is relatively high, and the precision of the length of the material belt 300 can be improved.
Referring mainly to fig. 7 and 8, the pressing driving member 41 and the sucking driving member 51 both use cylinders, and the sucking driving member 51 includes two cylinders connected in series, where one of the cylinders is used to drive the sucking member 53 to move from an initial position to a position contacting with the material tape 300, and a cylinder with a larger stroke and a faster moving speed may be selected. The other cylinder drives the material sucking member 53 to move from the position contacting the material belt 300 to the gluing position, and a cylinder with higher control precision can be selected. Thus, the two cylinders respectively play different roles, and the response speed and the control precision of the suction assembly 50 can be improved.
In addition, referring mainly to fig. 8, the material suction assembly 50 further includes a rotary driving member 52, the material suction driving member 51 is connected to the material suction member 53 through the rotary driving member 52, and the rotary driving member 52 can drive the material suction member 53 to rotate, so as to adjust the rubberizing angle and improve the application range of the rubberizing assembly. Of course, if the angle of the suction member 53 for feeding the tape 300 is the same as the angle required for applying the adhesive, the rotary driving member 52 does not need to be operated. In the present embodiment, the rotary driving member 52 is embodied as a rotary air cylinder, and in other embodiments, the rotary driving member 52 may also be in the form of a motor drive.
It should be noted that, the above embodiment is described by taking the cutting mechanism applied to the adhesive tape sticking device as an example, in other embodiments, the cutting mechanism may also be used alone, at this time, the cutting mechanism is not used in cooperation with the material suction assembly, and after the material tape is cut off, the material tape directly falls under the action of gravity, and can fall to the collecting device for collection, or fall to the conveying device for conveying to the next process.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A cutting mechanism, comprising:
the unwinding shaft is used for mounting a material tray;
the material pulling assembly comprises a material pulling driving piece and a clamping jaw air cylinder, and the material pulling driving piece can drive the clamping jaw air cylinder to reciprocate along the conveying direction of the material belt so as to pull out the material belt along the conveying direction;
the pressing component comprises a pressing driving part and a pressing part, and the pressing driving part can drive the pressing part to reciprocate along the direction vertical to the surface of the material belt; and
the cutting assembly comprises a mounting seat, a cutter and a cutter driving piece, wherein the cutter driving piece is arranged on the mounting seat and can drive the cutter to cut off the material belt between the clamping jaw cylinder and the pressing piece along the material cutting direction, and the material cutting direction is parallel to the surface of the material belt and is vertical to the conveying direction of the material belt.
2. The cutting mechanism of claim 1, wherein the extending direction of the cutting edge of the cutter is obtuse to the cutting direction.
3. The cutting mechanism of claim 1, wherein the cutting assembly further comprises a protective housing disposed on the mounting base, and wherein in the initial position the cutting blade is positioned within the protective housing.
4. The cutting mechanism of claim 1, wherein the cutting assembly further comprises a sliding track and a sliding block which are slidably engaged, the sliding track is disposed on the mounting base, and the cutting knife is connected to the knife driving member through the sliding block;
the cutting assembly further comprises a limiting part arranged on the mounting base, and the limiting part is used for limiting the limit position of the movement of the cutter.
5. The cutting mechanism of any one of claims 1 to 4, wherein the mounting block and the nip are located on opposite sides of the strip of material, the nip being capable of pressing the strip of material against the mounting block.
6. The cutting mechanism of claim 5, wherein the mounting base is provided with an air hole, the cutting mechanism further comprising a vacuum generator, the air hole being in communication with the vacuum generator.
7. The cutting mechanism as set forth in claim 1, wherein said unwinding shaft and said cutting knife are provided in plural, and said plural cutting knives are provided at intervals along said cutting direction, each of said plural cutting knives corresponding to one of said tapes.
8. The cutting mechanism according to claim 1, wherein the pulling driving member includes a base, a pulling motor, a pulling gear and a pulling rack, the pulling motor is fixed to the base and connected to the pulling gear, the pulling rack is slidably connected to the base and engaged with the pulling gear, the pulling motor drives the pulling rack to reciprocate along a conveying direction of the material belt through the pulling gear, and the clamping jaw cylinder is connected to the pulling rack.
9. A rubberizing device, characterized by comprising:
the cutting mechanism according to any one of claims 1 to 8; and
inhale the material subassembly, including inhaling the material driving piece and inhaling the material piece, inhale the material piece and be located along the transfer path in material area the clamping jaw cylinder with press between the material piece, and be located the upper reaches of cutter, just inhale the material driving piece and can drive inhale the material piece along the direction reciprocating motion on perpendicular to material area surface.
10. The rubberizing device according to claim 9, wherein the suction assembly further comprises a rotary driving member, the suction driving member being connected to the suction member by the rotary driving member, the rotary driving member being capable of driving the suction member to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020897870.4U CN212352116U (en) | 2020-05-25 | 2020-05-25 | Cutting mechanism and adhesive tape sticking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020897870.4U CN212352116U (en) | 2020-05-25 | 2020-05-25 | Cutting mechanism and adhesive tape sticking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212352116U true CN212352116U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020897870.4U Active CN212352116U (en) | 2020-05-25 | 2020-05-25 | Cutting mechanism and adhesive tape sticking device |
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| CN (1) | CN212352116U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152070A (en) * | 2021-06-11 | 2021-07-23 | 弄巴适信息技术(重庆)有限公司 | Cutting device and method for fabric for processing dog cooling clothes |
| CN113525563A (en) * | 2021-06-10 | 2021-10-22 | 无锡先导智能装备股份有限公司 | Sealing strip mounting equipment |
| CN114700409A (en) * | 2022-04-25 | 2022-07-05 | 无锡沃格自动化科技股份有限公司 | Small elastic sheet pressing suction head, auxiliary material removing device and method |
-
2020
- 2020-05-25 CN CN202020897870.4U patent/CN212352116U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113525563A (en) * | 2021-06-10 | 2021-10-22 | 无锡先导智能装备股份有限公司 | Sealing strip mounting equipment |
| CN113525563B (en) * | 2021-06-10 | 2022-07-22 | 无锡先导智能装备股份有限公司 | Sealing strip mounting equipment |
| CN113152070A (en) * | 2021-06-11 | 2021-07-23 | 弄巴适信息技术(重庆)有限公司 | Cutting device and method for fabric for processing dog cooling clothes |
| CN114700409A (en) * | 2022-04-25 | 2022-07-05 | 无锡沃格自动化科技股份有限公司 | Small elastic sheet pressing suction head, auxiliary material removing device and method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220825 Address after: 518000 workshop 501, building 3, intelligent manufacturing center park, No. 12, Chongqing Road, Heping community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Han's lithium battery intelligent equipment Co.,Ltd. Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |
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