CN111015755A - Prepreg cutting device for laminating multilayer PCB - Google Patents
Prepreg cutting device for laminating multilayer PCB Download PDFInfo
- Publication number
- CN111015755A CN111015755A CN201911276423.5A CN201911276423A CN111015755A CN 111015755 A CN111015755 A CN 111015755A CN 201911276423 A CN201911276423 A CN 201911276423A CN 111015755 A CN111015755 A CN 111015755A
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- cutting
- cutting chamber
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- prepreg
- inner walls
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- 238000005520 cutting process Methods 0.000 title claims abstract description 103
- 238000010030 laminating Methods 0.000 title abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000003475 lamination Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000000428 dust Substances 0.000 description 12
- 239000012779 reinforcing material Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention provides a prepreg cutting device for laminating a multilayer PCB. Prepreg cutting device is used in multilayer PCB board pressfitting includes: a cutting chamber; the two vertical plates are fixedly arranged at the bottom of the cutting chamber; the driving rollers are rotatably installed on the inner walls of the two sides of the cutting chamber, and two ends of each driving roller extend out of the cutting chamber; the first driven rollers are rotatably mounted on the inner walls of the two sides of the cutting chamber, two ends of each first driven roller extend out of the cutting chamber, and the first driven rollers are matched with the driving rollers; a plurality of drive gears. The prepreg cutting device for laminating the multilayer PCB provided by the invention has the advantages of adjustability among compression rollers, adaptability to various thicknesses, convenience in operation, capability of effectively absorbing and removing cutting powder and improvement of product quality.
Description
Technical Field
The invention relates to the technical field of PCB (printed circuit board) production equipment, in particular to a prepreg cutting device for laminating a multilayer PCB.
Background
The PCB board is also called as a printed circuit board, is a provider of electrical connection of electronic components, and is mainly designed by a layout design, the circuit board has the main advantages of greatly reducing errors of wiring and assembly, improving automation level and production labor rate, can be divided into a single-sided board, a double-sided board, a four-layered board and other multilayer circuit boards according to the number of layers of the circuit board, and a prepreg is needed when the multilayer circuit boards are produced, the prepreg is one of main materials in the production of the multilayer circuit boards and mainly comprises resin and reinforcing materials, the reinforcing materials are divided into several types such as glass fiber cloth, paper base, composite materials and the like, most prepregs used for manufacturing the multilayer printed circuit board adopt glass fiber cloth as the reinforcing materials, and when the prepregs are produced, the corresponding cutting work is carried out on the prepregs by a cutting device according to the production requirements of the actual circuit boards, thereby forming a block-shaped product to meet the production requirement of the multilayer circuit board.
However, the conventional prepreg cutting device for laminating a multilayer PCB is relatively simple in structure and relatively single in function, the required thickness of the prepreg is different along with the continuous increase of production requirements, most of the conventional cutting devices with one specification can only cut the prepreg with one thickness, the laminating distance between a roller and the roller cannot be adjusted, the actual production requirements are difficult to achieve, some enterprises can buy the cutting devices with different specifications again in order to follow up the production progress, the production cost is improved, the prepreg is made of resin and reinforcing materials, when cutting is performed, more powdery impurities are separated out at the cutting position, the conventional cutting devices cannot well eliminate the powder, the subsequent production is seriously influenced, and the defective rate of products is even improved.
Therefore, it is necessary to provide a prepreg cutting apparatus for laminating a multi-layer PCB to solve the above problems.
Disclosure of Invention
The invention solves the technical problem of providing the prepreg cutting device for laminating the multilayer PCB, which has the advantages of adjustability among compression rollers, adaptability to various thicknesses, convenience in operation, capability of effectively absorbing and removing cutting powder and improvement of product quality.
In order to solve the above technical problem, the prepreg cutting device for multi-layer PCB lamination provided by the present invention comprises: a cutting chamber; the two vertical plates are fixedly arranged at the bottom of the cutting chamber; the driving rollers are rotatably installed on the inner walls of the two sides of the cutting chamber, and two ends of each driving roller extend out of the cutting chamber; the first driven rollers are rotatably mounted on the inner walls of the two sides of the cutting chamber, two ends of each first driven roller extend out of the cutting chamber, and the first driven rollers are matched with the driving rollers; the transmission gears are fixedly sleeved at one ends of the driving roller and the first driven rollers, which are positioned outside the cutting chamber; the transmission chain is sleeved on the plurality of transmission gears; the motor is fixedly arranged on the outer wall of one side of the cutting chamber, and an output shaft of the motor is fixedly connected with one end of the driving roller; and the rotating rod is rotatably installed on the inner walls of the two sides of the cutting chamber.
Preferably, fixed cover is equipped with two first bevel gears on the dwang, fixed mounting has two solid fishplates on the both sides inner wall of cutting chamber, solid fishplate bar is located the below of dwang, two rotate on the solid fishplate bar and install two drive screw, the fixed cover in drive screw's top is equipped with the second bevel gear, first bevel gear with the meshing of second bevel gear mutually, two same fly leaf is installed to the last screw thread of drive screw, the fly leaf is located the below of solid fishplate bar, the equal fixed mounting in both sides of fly leaf has the locating head, the bottom fixed mounting of fly leaf has two bottoms to be open-ended containing box, rotate on the both sides inner wall of containing box and install a plurality of second driven voller, the second driven voller with first driven voller and drive roll homogeneous phase adaptation.
Preferably, a hydraulic cylinder is fixedly mounted at the bottom of the movable plate and located between the two containing boxes, a cutter is fixedly mounted on an output shaft of the hydraulic cylinder, a plurality of limiting springs are fixedly mounted at the top of the movable plate, and the tops of the limiting springs are in contact with the bottom of the fixing plate close to the movable plate.
Preferably, the inner walls of the two sides of the cutting chamber are fixedly provided with bearing plates, the top of each bearing plate is fixedly provided with a cutting seat, the top of each cutting seat is provided with a cutter groove, and the cutter grooves are matched with the cutters.
Preferably, the material passing port has been all seted up to the both sides of cutting room, the both sides outer wall of cutting room all is equipped with transparent observation window, the last scale mark of having seted up of transparent observation window.
Preferably, fans are fixedly mounted on the inner walls of the two sides of the cutting chamber.
Preferably, one side of each of the two vertical plates, which is close to each other, is fixedly provided with the same communicating pipe, the communicating pipe is fixedly provided with three dust hoods, the dust hoods are communicated with the cutting chamber, and the communicating pipe is fixedly provided with a vent pipe.
Compared with the prior art, the prepreg cutting device for laminating the multilayer PCB provided by the invention has the following beneficial effects:
the invention provides a prepreg cutting device for laminating a multilayer PCB (printed Circuit Board), wherein a knob handle is rotated according to actual requirements, a movable plate is driven to move by a transmission screw rod through the meshing relation between bevel gears, then the position of a positioning head is observed according to a graduated scale, the rotation is stopped after the position reaches a specified position, a prepreg firstly passes through a material passing port close to a transparent observation window and is contacted with a driving roller and a second driven roller, then the transmission is started, after the position is transmitted to the specified position, a motor is closed, a hydraulic cylinder is started, and then the prepreg is cut, the operation is convenient, the distance between the second driven roller and the driving roller and the first driven roller can be adjusted through the matching of the movable plate and the transmission screw rod, the application range of the device is increased, in the cutting process, a fan and an external dust collector are started simultaneously, and powder enters a communicating pipe through a dust collecting cover under the action of the dust collector, finally, the cutting environment is improved by discharging through the ventilation pipe, and the production quality of the product is correspondingly improved.
Drawings
FIG. 1 is a front view of a prepreg cutting apparatus for multi-layer PCB lamination according to a first embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 3 is a top view of a prepreg cutting apparatus for multi-layer PCB lamination according to a first embodiment of the present invention;
FIG. 4 is a side view of a prepreg cutting apparatus for multi-layer PCB lamination according to a first embodiment of the present invention;
FIG. 5 is a front view of a prepreg cutting apparatus for multi-layer PCB lamination according to a second embodiment of the present invention;
fig. 6 is a side view of a prepreg cutting apparatus for multi-layer PCB lamination according to a second embodiment of the present invention.
Reference numbers in the figures: 1. the cutting device comprises a cutting chamber, 2, a vertical plate, 3, a driving roller, 4, a first driven roller, 5, a transmission gear, 6, a transmission chain, 7, a motor, 8, a rotating rod, 9, a first bevel gear, 10, a fixed connection plate, 11, a transmission screw, 12, a second bevel gear, 13, a movable plate, 14, a positioning head, 15, a containing box, 16, a second driven roller, 17, a hydraulic cylinder, 18, a cutter, 19, a limiting spring, 20, a bearing plate, 21, a cutting seat, 22, a cutter groove, 23, a transparent observation window, 24, a material passing port, 25, a fan, 26, a communicating pipe, 27, a dust collection cover, 28 and a ventilation pipe.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1 to 4, in a first embodiment of the present invention, a prepreg cutting apparatus for multi-layer PCB lamination includes: a cutting chamber 1; the two vertical plates 2 are fixedly arranged at the bottom of the cutting chamber 1; the driving roller 3 is rotatably installed on the inner walls of the two sides of the cutting chamber 1, and two ends of the driving roller 3 extend out of the cutting chamber 1; the first driven rollers 4 are rotatably mounted on the inner walls of the two sides of the cutting chamber 1, two ends of each first driven roller 4 extend out of the cutting chamber 1, and the first driven rollers 4 are matched with the driving rollers 3; the transmission gears 5 are fixedly sleeved at one ends of the driving roller 3 and the first driven rollers 4 outside the cutting chamber 1; the transmission chain 6 is sleeved on the transmission gears 5; the motor 7 is fixedly installed on the outer wall of one side of the cutting chamber 1, and an output shaft of the motor 7 is fixedly connected with one end of the driving roller 3; dwang 8, dwang 8 rotates to be installed on the both sides inner wall of cutting chamber 1.
Two first bevel gears 9 are fixedly sleeved on the rotating rod 8, two fixing plates 10 are fixedly arranged on the inner walls of the two sides of the cutting chamber 1, the fixed connecting plates 10 are positioned below the rotating rods 8, two transmission screws 11 are rotatably arranged on the two fixed connecting plates 10, the top end of the transmission screw 11 is fixedly sleeved with a second bevel gear 12, the first bevel gear 9 is meshed with the second bevel gear 12, the two transmission screw 11 are provided with a same movable plate 13 in a threaded manner, the movable plate 13 is located below the fixed connection plate 10, positioning heads 14 are fixedly mounted on both sides of the movable plate 13, two containing boxes 15 with the bottoms being open are fixedly mounted at the bottoms of the movable plates 13, a plurality of second driven rollers 16 are rotatably mounted on the inner walls of the two sides of each containing box 15, and the second driven rollers 16 are matched with the first driven rollers 4 and the driving rollers 3.
The bottom of the movable plate 13 is fixedly provided with a hydraulic cylinder 17, the hydraulic cylinder 17 is positioned between the two containing boxes 15, an output shaft of the hydraulic cylinder 17 is fixedly provided with a cutter 18, the top of the movable plate 13 is fixedly provided with a plurality of limiting springs 19, and the tops of the limiting springs 19 are contacted with the bottom of the fixed connection plate 10 close to the movable plate 13.
The inner walls of two sides of the cutting chamber 1 are fixedly provided with bearing plates 20, the top of each bearing plate 20 is fixedly provided with a cutting seat 21, the top of each cutting seat 21 is provided with a cutter groove 22, and the cutter grooves 22 are matched with the cutters 18.
The material passing opening 24 has been all seted up to the both sides of cutting room 1, the both sides outer wall of cutting room 1 all is equipped with transparent observation window 23, the scale mark has been seted up on transparent observation window 23.
In this embodiment:
the first step is as follows: in the device, one end of the rotating rod 8 is fixedly provided with a knob handle, when the device is used, the motor 7 is started, the output shaft of the motor 7 can rotate, and the driving roller 3 and the first driven rollers 4 start to rotate through the meshing relation between the transmission gear 5 and the transmission chain 6.
The second step is that: then the knob handle is rotated according to actual requirements, the knob handle drives the rotating rod 8 to rotate, through the meshing relation between the bevel gears, the two transmission screw rods 11 rotate so as to drive the movable plate 13 to move, at the moment, the position of the positioning head 14 is observed according to the graduated scale, when the designated position is reached, the rotation is stopped, the transmission screw rods 11 can be prevented from rotating through the arranged limiting springs 19, then the prepreg firstly passes through the material passing port 24 close to the transparent observation window 23 and then is contacted with the driving roller 3 and the second driven roller 16 so as to start transmission, when the designated position is reached, the motor 7 is closed, then the hydraulic cylinder 17 is started, the output shaft of the hydraulic cylinder 17 extends out, so as to drive the cutter 18 to descend, and then the prepreg is cut, after the cutting is finished, the motor 7 is continuously started to cut the next, the operation is convenient, the distance between the second driven roller 16 and the driving roller 3 and the distance between the second driven roller and the first driven roller 4 can be adjusted through the movable plate 13 and the transmission screw 11, and the application range of the device is widened.
Compared with the prior art, the prepreg cutting device for laminating the multilayer PCB provided by the invention has the following beneficial effects:
the knob handle is rotated according to actual requirements, the movable plate 13 is driven to move by the transmission screw rod 11 through the meshing relation between the bevel gears, the position where the positioning head 14 is located is observed according to the graduated scale, the rotation is stopped after the positioning head reaches the designated position, the prepreg firstly penetrates through the material passing opening 24 close to the transparent observation window 23 and is contacted with the driving roller 3 and the second driven roller 16, then the transmission is started, after the prepreg is transmitted to the designated position, the motor 7 is closed, the hydraulic cylinder 17 is started, the prepreg is cut, the operation is convenient, the distance between the second driven roller 16 and the driving roller 3 and the distance between the second driven roller 16 and the first driven roller 4 can be adjusted through the matching of the movable plate 13 and the transmission screw rod 11, and the application range of the device is expanded.
Second embodiment:
based on the prepreg cutting device for laminating the multilayer PCB provided by the first embodiment of the application, the second embodiment of the application provides another prepreg cutting device for laminating the multilayer PCB. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 5 and 6, the prepreg cutting apparatus for multi-layer PCB lamination further includes two fans 25, and the two fans 25 are respectively and fixedly mounted on the inner walls of the two sides of the cutting chamber 1.
One side of each of the two vertical plates 2 close to each other is fixedly provided with a same communicating pipe 26, the communicating pipe 26 is fixedly provided with three dust collection covers 27, the dust collection covers 24 are communicated with the cutting chamber 1, and the communicating pipe 26 is fixedly provided with a vent pipe 28.
In this embodiment:
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a multilayer is prepreg cutting device for PCB board pressfitting which characterized in that includes:
a cutting chamber;
the two vertical plates are fixedly arranged at the bottom of the cutting chamber;
the driving rollers are rotatably installed on the inner walls of the two sides of the cutting chamber, and two ends of each driving roller extend out of the cutting chamber;
the first driven rollers are rotatably mounted on the inner walls of the two sides of the cutting chamber, two ends of each first driven roller extend out of the cutting chamber, and the first driven rollers are matched with the driving rollers;
the transmission gears are fixedly sleeved at one ends of the driving roller and the first driven rollers, which are positioned outside the cutting chamber;
the transmission chain is sleeved on the plurality of transmission gears;
the motor is fixedly arranged on the outer wall of one side of the cutting chamber, and an output shaft of the motor is fixedly connected with one end of the driving roller;
and the rotating rod is rotatably installed on the inner walls of the two sides of the cutting chamber.
2. The prepreg cutting apparatus for multi-layer PCB lamination of claim 1, two first bevel gears are fixedly sleeved on the rotating rod, two fixing plates are fixedly arranged on the inner walls of the two sides of the cutting chamber, the fixed connection plates are positioned below the rotating rods, two transmission screws are rotatably arranged on the two fixed connection plates, the top end of the transmission screw is fixedly sleeved with a second bevel gear, the first bevel gear is meshed with the second bevel gear, the two transmission screws are provided with a same movable plate in a threaded manner, the movable plate is positioned below the fixed connection plate, positioning heads are fixedly arranged on both sides of the movable plate, the bottom fixed mounting of fly leaf has two bottoms to be open-ended containing box, rotate on the both sides inner wall of containing box and install a plurality of second driven voller, the second driven voller with first driven voller and drive roll homogeneous phase adaptation.
3. The prepreg cutting device for multi-layer PCB lamination according to claim 2, wherein a hydraulic cylinder is fixedly arranged at the bottom of the movable plate and positioned between the two containing boxes, a cutter is fixedly arranged on an output shaft of the hydraulic cylinder, a plurality of limiting springs are fixedly arranged at the top of the movable plate, and the tops of the limiting springs are in contact with the bottom of the fixed connection plate close to the movable plate.
4. The prepreg cutting device for multi-layer PCB lamination of claim 3, wherein, the inner walls of the two sides of the cutting chamber are fixedly provided with a bearing plate, the top of the bearing plate is fixedly provided with a cutting seat, the top of the cutting seat is provided with a cutter groove, and the cutter groove is matched with the cutter.
5. The prepreg cutting device for multi-layer PCB lamination according to claim 1, wherein the cutting chamber is provided with material passing openings at two sides, and the outer walls of the two sides of the cutting chamber are provided with transparent observation windows, and the transparent observation windows are provided with scale marks.
6. The prepreg cutting apparatus for multi-layer PCB lamination of claim 1, wherein fans are fixedly installed on the inner walls of both sides of the cutting chamber.
7. The prepreg cutting device for multi-layer PCB lamination according to claim 1, wherein one side of the two vertical plates close to each other is fixedly provided with a same communicating pipe, three dust-collecting hoods are fixedly arranged on the communicating pipe, the dust-collecting hoods are communicated with the cutting chamber, and the communicating pipe is fixedly provided with a vent pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911276423.5A CN111015755A (en) | 2019-12-12 | 2019-12-12 | Prepreg cutting device for laminating multilayer PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911276423.5A CN111015755A (en) | 2019-12-12 | 2019-12-12 | Prepreg cutting device for laminating multilayer PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111015755A true CN111015755A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911276423.5A Pending CN111015755A (en) | 2019-12-12 | 2019-12-12 | Prepreg cutting device for laminating multilayer PCB |
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| Country | Link |
|---|---|
| CN (1) | CN111015755A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570033A (en) * | 2020-05-07 | 2020-08-25 | 王玉增 | Automatic change traditional chinese medicine crushing apparatus |
| CN113580213A (en) * | 2021-06-15 | 2021-11-02 | 奥士康科技股份有限公司 | Prepreg cutting device for laminating multilayer PCB |
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| CN110203609A (en) * | 2019-05-31 | 2019-09-06 | 江苏欧力特能源科技有限公司 | A kind of PP building template multiple roll dragger |
| CN211941051U (en) * | 2019-12-12 | 2020-11-17 | 奥士康科技股份有限公司 | Prepreg cutting device for laminating multilayer PCB |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201703023U (en) * | 2010-05-27 | 2011-01-12 | 禹辉(上海)转印材料有限公司 | Printing press oven transmission device |
| CN204297777U (en) * | 2014-11-19 | 2015-04-29 | 昆山市周庄镇黎明印刷厂 | The governor motion of guillotine rotor |
| CN205075093U (en) * | 2015-09-23 | 2016-03-09 | 江西品升电子有限公司 | A continuous cutting device for copper -clad plate processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570033A (en) * | 2020-05-07 | 2020-08-25 | 王玉增 | Automatic change traditional chinese medicine crushing apparatus |
| CN111570033B (en) * | 2020-05-07 | 2022-01-11 | 重庆市奉雨和生态农业有限公司 | Automatic change traditional chinese medicine crushing apparatus |
| CN113580213A (en) * | 2021-06-15 | 2021-11-02 | 奥士康科技股份有限公司 | Prepreg cutting device for laminating multilayer PCB |
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