CN113290632A - Staggered arc burning-out device with multi-section parameter control - Google Patents
Staggered arc burning-out device with multi-section parameter control Download PDFInfo
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- CN113290632A CN113290632A CN202010107795.1A CN202010107795A CN113290632A CN 113290632 A CN113290632 A CN 113290632A CN 202010107795 A CN202010107795 A CN 202010107795A CN 113290632 A CN113290632 A CN 113290632A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 15
- 238000010891 electric arc Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000002950 deficient Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 239000011273 tar residue Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004100 electronic packaging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a staggered arc burning device with multi-section parameter control, which comprises a carrier, a transmission device and a discharge device, wherein the carrier is used for carrying out arc burning; the transmission device comprises a transmission pinwheel, a guide pillar and a track guide wheel; the guide posts are respectively arranged above the transmission pinwheels and the track guide wheels and used for clamping the chip paper tape between the transmission pinwheels and carrying out transmission motion between the track and the guide wheels; the discharge device comprises an electric control unit, an upper electrode group and a lower electrode group which are electrically connected with the electric control unit and are arranged in a staggered mode, so that the firepower of burning off the chip paper tape by electric arcs is weakened, and the occurrence of a scorching situation can be avoided. The invention transmits motion through the guide post, the transmission pinwheel and the track guide wheel without the existing track plate, thereby avoiding the situation that the chip paper tape is stained and bad if tar is generated and remained on the track plate in the electric arc burning process.
Description
Technical Field
The invention relates to an electric arc burning device, in particular to a staggered electric arc burning device with multi-section parameter control.
Background
The Carrier Tape (also called paper Tape) is a Tape product used in the field of electronic packaging, and has a specific thickness, and holes (also called pockets) for holding electronic components and positioning holes for indexing are equidistantly distributed in the length direction of the Tape product.
The aforesaid carrier band all can have the deckle edge to produce in the hole after the processing of punching, and this phenomenon causes the defective rate of banded product to improve easily, causes manufacturing cost to increase indirectly, therefore the present deckle edge mode of burning off of industry, the hot-blast that sees through the deckle edge device of burning off will burn off this deckle edge to avoid the emergence of banded product defective rate. However, since the burr removing device needs to use hot air to remove burrs, the consumed power is large, the working environment is in a high temperature state due to the hot air, and if the temperature is too high, the device may be damaged and the operator may have difficulty in performing the operation.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a deburring system and a deburring method for a paper carrier tape according to the patent application of the present invention.
In the prior art, as a chinese patent "a system and a method for removing burrs from a paper carrier tape" (chinese patent publication No. CN104942880A), another improved burning apparatus 1 is disclosed, which is disclosed in the following patents: the system and the method are used together with a punching device of a paper carrier tape 16, and are characterized in that the deburring system comprises a divider material pulling mechanism 11, a uniform feeding mechanism 12, two discharging supporting wheels 13 which are arranged at the same height and are sequentially arranged at the rear side of a punching die 17, and an anode electrode 14 and a cathode electrode 15 which are arranged between the two discharging supporting wheels 13, wherein the anode electrode 14 and the cathode electrode 15 are respectively and symmetrically fixed above and below the paper carrier tape 16 which discharges at a uniform speed, the anode electrode 14 and the cathode electrode 15 are electrically connected through high voltage and form electric arcs in punched holes on the paper carrier tape 16, and the electric arcs penetrate through the punched holes on the paper carrier tape 16 and burn off residual burrs after the punched holes; the method has the advantages of simple process, reduced power consumption, improved environment, improved product quality, and improved deburring efficiency.
Referring to fig. 2, fig. 2 is a schematic diagram of the technical configuration of "a method and an apparatus for removing a burr in a pressing step of an embossed carrier tape" (a method for removing a hole バリ in a step における of a hole け step エンボスキャリアテープ and a device for receiving a punch そ) "in the japanese patent application.
Japanese patent application "method and apparatus for removing burrs in a punching step of embossed carrier tape" (japanese patent laid-open No. hei 11-220682) is known to disclose: a method and apparatus 2 for removing burrs, which can rapidly and reliably remove burrs generated in a step of forming pocket holes of an embossed carrier tape 21 by a simple method, i.e., synchronizing notches or feed holes at the positions of the pocket holes when the embossed carrier tape 21 is conveyed, releasing a high voltage through discharge electrodes 22, 23 above and below the positions of the pocket holes to melt and remove the burrs of the holes, and conveying the embossed carrier tape 21 through a guide roller 24 and a sprocket 25; therefore, when the burr occurs at the step of forming the pocket hole in the embossed carrier tape 21, the burr can be melted and removed by the heat energy automatically generated by the discharge electrodes 22, 23 at the high voltage, so that the internal burr generated inside the circumference of the pocket hole, or the burr protruded upward on the circumference of the pocket hole, or the burr protruded downward on the circumference of the pocket hole can be removed, so that the burr can be quickly and reliably removed by a simple means at the step of forming the pocket hole in the embossed carrier tape 21.
Referring to fig. 3, 4 and 5, fig. 3 is a perspective view of taiwan utility model No. M524041, fig. 4 is a schematic diagram of the operation of taiwan utility model No. M524041, and fig. 5 is an enlarged perspective view of part a of fig. 4.
The applicant of the present application disclosed an arc burning device 3 in the previous application (taiwan utility model No. M524041), which comprises a carrier 31, a transmission device 32 and a discharge device 33; the transmission device 32 and the discharge device 33 are disposed on the same side of the carrier 31, the transmission device 32 includes a transmission pinwheel 321, a track plate 322 and a track guide wheel 323; the track plate 322 is disposed between the transmission pinwheel 321 and the track guide wheel 323, the track plate 322 is disposed with an opening 3221, and the discharge device 33 includes an upper electrode set 331 and a lower electrode set 332, and the upper electrode set 331 and the lower electrode set 332 are disposed at two sides of the opening 3221 of the track plate 322 relatively. The former proposal utilizes the principle of discharge and utilizes the sparks generated by electric arcs to burn off the rough edges of holes H of the punched chip paper tape C, thereby achieving the effect of burning off the rough edges with low energy consumption and high efficiency, and further avoiding the problem of high temperature of the operation environment caused by hot air.
In the following, although the aforesaid three patent cases can solve the problem of high energy consumption and high temperature caused by the hot air applied by the conventional flash burning device, especially the chip paper tape flash burning device 3 disclosed in the applicant's prior art has optimized the application of arc flash burning, when the chip paper tape disclosed in the present specification is used for flash burning, the chip paper tape can be accurately moved by the transmission pinwheel, the part to be burned is moved to the opening of the track plate, the arc is emitted through the upper electrode group above the opening, and then the arc is received by the lower electrode group of the symmetrical upper electrode group, the upper and lower electrode groups can be provided with a plurality of pairs of electrode tips to form the arc, so as to achieve the arc application with lower power consumption, and the generated spark can be directly formed to burn off the flash of the paper tape.
However, after a period of use, it is found that the former case and other conventional cases still have some refinement points, as follows:
1. the track board has residual tar, so that the chip paper tape has a defective rate: the track board after the burning is finished is likely to generate tar residues in the electric arc burning process, and if tar is attached to the chip paper tape, the chip paper tape is likely to generate an unfavorable state.
2. The phenomenon that chip paper tape generates scorching due to the fact that arc fire is difficult to control: the discharge device of the prior art cannot be adjusted, and the upper electrode set and the lower electrode set are symmetrical and directly face to the chip paper tape to burn off burrs, so that the phenomenon that the chip paper tape generates scorch due to too strong arc fire easily occurs, and the yield of the chip paper tape is further influenced.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to an arc burning device, and more particularly to an interlaced arc burning device with multi-stage parameter control.
An interleaved arc burn-out apparatus with multi-stage parameter control, comprising:
a carrier;
transmission device sets up in carrier one side, and it includes transmission pinwheel, guide pillar and track guide pulley, wherein:
the guide post is respectively arranged above the transmission pinwheel and the track guide wheel and is used for clamping the paper tape between the guide post and the transmission pinwheel and transmitting motion between the guide post and the track guide wheel;
the discharging device is arranged on the same side of the carrier with the transmission device, and comprises an electric control unit, an upper electrode group and a lower electrode group, wherein the upper electrode group and the lower electrode group are electrically connected with the electric control unit, and the discharging device comprises:
the transmission device clamps the chip paper tape between the transmission pinwheels and between the track guide wheels through the guide pillars in the transmission process, and the chip paper tape can directly perform arc burning-off motion between the upper electrode group and the lower electrode group.
Further, the electric control unit is provided with a plurality of high voltage wire sets and a modulation unit electrically connected with the high voltage wire sets, wherein:
the voltage provided by the plurality of high voltage wire sets can be regulated and controlled by various parameters through the regulating unit, so that the arc fire power generated by the upper electrode set and the lower electrode set can be regulated and controlled.
The upper electrode set and the lower electrode set respectively include a first/second fixing member and at least a first/second electrode head.
The upper electrode set and the lower electrode set are interlaced, so as to reduce the fire intensity of the arc directly facing the chip paper tape, thereby avoiding the chip paper tape from generating the scorching phenomenon as the conventional chip paper tape.
By means of the technical characteristics, firstly, a chip paper tape is sent into the staggered type electric arc burning device with multi-section parameter control from the transmission pinwheel, the chip paper tape can be clamped between the guide post and the transmission pinwheel through the transmission pinwheel and the guide post above the guide post, the guide post above the track guide wheel can clamp the chip paper tape between the guide post and the transmission pinwheel, the steps of flattening, compacting and the like are carried out between the guide post and the track guide wheel, and the holes of the chip paper tape and the transmission pinwheel can be completely combined and can be transmitted to actuate; the fixing and transmission functions can be achieved through the guide post, the transmission pinwheel and the track guide wheel, and a conventional track plate is completely not needed, so that the situation that the chip paper tape is stained and bad due to tar residue on the track plate in the electric arc burning process can be avoided.
Drawings
FIG. 1 is a schematic structural diagram of the Chinese patent application CN 104942880A;
FIG. 2 is a schematic view of the technical constitution of Japanese patent application laid-open No. Hei 11-220682;
fig. 3 is a perspective view of taiwan utility model No. M524041;
fig. 4 is a schematic diagram of the operation and movement of utility model No. M524041 in taiwan;
FIG. 5 is an enlarged perspective view of portion A of FIG. 4;
FIG. 6 is a perspective view of the preferred embodiment of the present invention;
FIG. 7 is a front view of the preferred embodiment of the present invention;
FIG. 8 is a schematic diagram of the working movement of the preferred embodiment of the present invention;
fig. 9 is an enlarged perspective view of a' portion of fig. 8.
Wherein:
4-staggered arc burning-out device with multi-stage parameter control
41-vector
42-transmission device
421-driving pinwheel
422-guide post
423-track guide wheel
43-discharge device
431 electronic control unit
432-Upper electrode group
4321 first fixing piece
4322-first electrode head
433-lower electrode group
4331-second fixing piece
4332-second electrode head
C' -chip paper tape
H' -hole
[ Prior Art ]
1-improved burn-out device
11-decollator draws material mechanism
12-uniform feeding mechanism
13-discharging supporting wheel
14-anode electrode
15-cathode electrode
16-paper carrier tape
17-stamping die
[ Prior Art ]
2-Deburring method and apparatus
21-embossed carrier tape
22-discharge electrode
23-discharge electrode
24-guide wheel
25-chain wheel
[ front case ]
3-chip paper tape burr burning-off device
31-vectors
32-transmission device
321-driving needle rail
322-track plate
3221-opening
323-track guide wheel
33-discharge device
331-upper electrode group
332-bottom electrode group
C-chip paper tape
H-holes
The specific implementation mode is as follows:
in order that the objects, functions, features and structures of the present invention can be more fully understood, there shall now be described by way of example only preferred embodiments of the invention, the description being with reference to the accompanying drawings.
Referring to fig. 6, 7 and 8, fig. 6 is a perspective view of the preferred embodiment of the present invention, fig. 7 is a front view of the preferred embodiment of the present invention, and fig. 8 is a schematic diagram of the working movement of the preferred embodiment of the present invention.
The staggered arc burning device 4 with multi-stage parameter control according to the preferred embodiment of the present invention comprises:
a carrier 41;
the transmission device 42 is disposed on one side of the carrier 41, and includes a transmission pinwheel 421, a guide post 422 and a track guide wheel 423, wherein:
the guide post 422 is respectively arranged above the transmission pinwheel 421 and the track guide wheel 423 for clamping the chip paper tape C' between the guide post 422 and the transmission pinwheel 421 and transmitting motion between the guide post 422 and the track guide wheel 423;
the pin wheel 421 can be aligned with the hole H ' (see fig. 9) of the chip paper tape C ', so that the pin wheel 421 can accurately convey the chip paper tape C ' forward or backward when rotating;
a discharge device 43, provided on the same side of the carrier 41 as the transport device 42, comprising:
an electronic control unit 431;
an upper electrode set 432 and a lower electrode set 433 electrically connected to the electronic control unit 431;
wherein: the electric control unit 431 can control the arc fire power between the upper electrode set 432 and the lower electrode set 433.
Further, the upper electrode set 432 includes a first holder 4321, at least one first electrode head 4322 for generating an arc.
Further, the lower electrode group 433 includes a second holder 4331, at least one second electrode head 4332 for generating an arc.
The electronic control unit 431 is provided with a plurality of high voltage sets (not shown) and a modulation unit (not shown) electrically connected with the high voltage sets (not shown); the voltage provided by the plurality of high voltage lines (not shown) can be adjusted and controlled by various parameters through the adjusting unit (not shown), so as to adjust the arc fire generated by the upper electrode set 432 and the lower electrode set 433.
Referring to fig. 6, 8 and 9, fig. 6 is a perspective view of a preferred embodiment of the present invention, fig. 8 is an operation diagram of the preferred embodiment of the present invention, and fig. 9 is an enlarged perspective view of a portion a' of fig. 8.
By means of the structure, the chip paper tape C 'is sent into the staggered arc burning device 4 with multi-section parameter control of the invention from the transmission pinwheel 421, and by means of the guide post 422 arranged above the transmission pinwheel 421 and the guide post 422 also arranged above the track guide wheel 423, the chip paper tape C' can be clamped between the guide post 422 and the transmission pinwheel 421, and the steps of flattening, compacting and the like are carried out between the guide post 422 and the track guide wheel 423, and the hole H 'of the chip paper tape C' and the transmission pinwheel 421 can be ensured to be completely combined and transmitted; the fixing and transmission functions can be achieved through the guide post 422, the transmission pinwheel 421 and the track guide wheel 423 without the conventional track plate 422, so that the problem that the chip paper tape C' is contaminated and bad due to tar residues on the track plate 422 in the arc burning process can be avoided.
Wherein, the upper electrode set 432 and the lower electrode set 433 are disposed in an interlaced manner, so as to reduce the fire intensity of the arc directly facing the chip paper tape C ', thereby avoiding the chip paper tape C' from generating a scorching state as the conventional chip paper tape C (see fig. 5 and 9); when the chip paper tape C 'is clamped between the transmission pinwheels 421 and the track guide wheel 423 through the guide post 422 for transmission operation, the chip paper tape C' is positioned between the upper electrode group 432 and the lower electrode group 433 for arc burning operation.
The transmission pinwheel 421 will align with the hole H ' of the chip paper tape C ' during transmission, so that the transmission pinwheel 421 can accurately transmit the chip paper tape C ' forward or backward during rotation; in the transmission process, the holes H ' of the chip paper tape C ' enter the electric arc generated between the upper electrode group 432 and the lower electrode group 433, and burrs in the holes H ' are burned off through the electric arc, because the first/second electrode tips 4322/4332 of the upper electrode group 432 and the lower electrode group 433 are in a staggered configuration, the conventional electrode tips can be prevented from directly performing front electric arc burning off on the chip paper tape C ' in an up-and-down symmetrical manner, and the defect rate of processing the chip paper tape C ' is reduced.
The voltage provided by the plurality of high voltage lines (not shown) can be regulated and controlled by various parameters through a regulating unit (not shown), so that the arc fire power generated by the upper electrode group 432 and the lower electrode group 433 can be regulated and controlled according to the transmission speed, and the chip paper tape C' is prevented from generating scorching and fouling due to the over-strong arc fire power.
The upper electrode set 432 and the lower electrode set 433 may have a plurality of electrode tips (not shown) respectively for arc burning, so as to reduce energy consumption and improve efficiency, thereby prolonging the service life of the present invention.
In summary, the staggered arc burning device with multi-stage parameter control of the invention has the advantages that:
1. the regulation and control of various parameters can prevent the electric arc firepower from being too strong: the voltage provided by the high-voltage wire sets can be regulated and controlled by various parameters through the regulating unit, and the arc fire power generated by the upper electrode set and the lower electrode set can be regulated and controlled according to the transmission speed, so that the chip paper tape is prevented from generating scorching and fouling due to the over-strong arc fire power.
2. Avoid chip paper tape to burn out and produce the burnt black because of the electric arc that openly carries on: because the electrode tips of the upper electrode set and the lower electrode set are staggered, the conventional operation of directly burning off the front side of the chip paper tape by the arc in a vertical symmetry manner can be avoided, and the conventional method is likely to cause the front side of the chip paper tape to be scorched to cause the increase of the defective rate.
3. The service life of the invention is prolonged: the electrode tips can reduce energy consumption when the electrode tips perform arc burning-off action, thereby prolonging the service life of the invention.
Therefore, the invention has excellent progress and practicability in similar products, and after the technical data documents about the structures at home and abroad are searched, the same or similar structures are not found before the application.
While the invention has been described with reference to a preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiment, but may be practiced otherwise than as specifically described and illustrated herein.
Claims (3)
1. An interleaved arc burn-out apparatus with multi-stage parameter control, comprising:
a carrier;
transmission device sets up in carrier one side, and it includes transmission pinwheel, guide pillar and track guide pulley, wherein:
the guide posts are respectively arranged above the transmission pinwheel and the track guide wheel and used for clamping the chip paper tape between the guide posts and the transmission pinwheel and carrying out transmission motion between the guide posts and the track guide wheel;
the discharging device and the transmission device are arranged on the same side of the carrier, and the discharging device comprises an electric control unit, an upper electrode group and a lower electrode group, wherein the upper electrode group and the lower electrode group are electrically connected with the electric control unit, and the discharging device comprises:
the upper electrode group comprises a first fixing piece and at least one first electrode tip connected with the first fixing piece;
the lower electrode group comprises a second fixing piece and at least one second electrode tip connected with the second fixing piece; wherein:
the transmission device clamps the chip paper tape between the transmission pinwheels and between the track guide wheels through the guide pillars in the transmission process, and the chip paper tape can directly perform arc burning-off motion between the upper electrode group and the lower electrode group.
2. The apparatus of claim 1, wherein the electrical control unit comprises a plurality of high voltage wire sets and a modulation unit electrically connected to the high voltage wire sets, wherein:
the voltage provided by the plurality of high voltage wire sets can be regulated and controlled by various parameters through the regulating unit, so that the arc fire power generated by the upper electrode set and the lower electrode set can be regulated and controlled.
3. The interleaved apparatus for arc burnout with multi-stage parameter control as claimed in claim 1, wherein said upper electrode set and said lower electrode set are interleaved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010107795.1A CN113290632A (en) | 2020-02-21 | 2020-02-21 | Staggered arc burning-out device with multi-section parameter control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010107795.1A CN113290632A (en) | 2020-02-21 | 2020-02-21 | Staggered arc burning-out device with multi-section parameter control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113290632A true CN113290632A (en) | 2021-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010107795.1A Pending CN113290632A (en) | 2020-02-21 | 2020-02-21 | Staggered arc burning-out device with multi-section parameter control |
Country Status (1)
| Country | Link |
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| CN (1) | CN113290632A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001038696A (en) * | 1999-08-04 | 2001-02-13 | Yayoi Kk | Hole deburring method in punching process of embossed carrier tape and device therefor |
| CN104942880A (en) * | 2015-07-02 | 2015-09-30 | 张宝宝 | Deburring system and method for paper carrier band |
| CN204772805U (en) * | 2015-07-02 | 2015-11-18 | 张宝宝 | Paper is burring system for carrier band |
| CN105500459A (en) * | 2016-01-25 | 2016-04-20 | 浙江洁美电子科技股份有限公司 | System for deburring of paper carrier tapes |
| CN205325859U (en) * | 2016-01-25 | 2016-06-22 | 浙江洁美电子科技股份有限公司 | System for get rid of paper carrier band burr |
| TW201722609A (en) * | 2015-12-31 | 2017-07-01 | 雷科股份有限公司 | Electric arc burning device |
| CN106926514A (en) * | 2015-12-31 | 2017-07-07 | 雷科股份有限公司 | Electric arc burn off device |
| CN107434176A (en) * | 2016-05-25 | 2017-12-05 | 苏州英士力精密科技有限公司 | A kind of integrated production equipment for paper carrying belt production and processing |
| CN109773892A (en) * | 2019-01-27 | 2019-05-21 | 应鸿 | Energy-saving and environment-friendly Polywoven Bag cutting machine |
-
2020
- 2020-02-21 CN CN202010107795.1A patent/CN113290632A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001038696A (en) * | 1999-08-04 | 2001-02-13 | Yayoi Kk | Hole deburring method in punching process of embossed carrier tape and device therefor |
| CN104942880A (en) * | 2015-07-02 | 2015-09-30 | 张宝宝 | Deburring system and method for paper carrier band |
| CN204772805U (en) * | 2015-07-02 | 2015-11-18 | 张宝宝 | Paper is burring system for carrier band |
| TW201722609A (en) * | 2015-12-31 | 2017-07-01 | 雷科股份有限公司 | Electric arc burning device |
| CN106926514A (en) * | 2015-12-31 | 2017-07-07 | 雷科股份有限公司 | Electric arc burn off device |
| CN105500459A (en) * | 2016-01-25 | 2016-04-20 | 浙江洁美电子科技股份有限公司 | System for deburring of paper carrier tapes |
| CN205325859U (en) * | 2016-01-25 | 2016-06-22 | 浙江洁美电子科技股份有限公司 | System for get rid of paper carrier band burr |
| CN107434176A (en) * | 2016-05-25 | 2017-12-05 | 苏州英士力精密科技有限公司 | A kind of integrated production equipment for paper carrying belt production and processing |
| CN109773892A (en) * | 2019-01-27 | 2019-05-21 | 应鸿 | Energy-saving and environment-friendly Polywoven Bag cutting machine |
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Application publication date: 20210824 |
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