CN207656784U - A kind of suction paper feed mechanism of die-cutting machine - Google Patents
A kind of suction paper feed mechanism of die-cutting machine Download PDFInfo
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- CN207656784U CN207656784U CN201721563918.2U CN201721563918U CN207656784U CN 207656784 U CN207656784 U CN 207656784U CN 201721563918 U CN201721563918 U CN 201721563918U CN 207656784 U CN207656784 U CN 207656784U
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- paper feed
- feed mechanism
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Abstract
The utility model discloses a kind of suction paper feed mechanisms of die-cutting machine, including main body rack, the inside of the main body rack is equipped with anti-dual sheet mechanism, the top side of the main body rack is fixed with paper feeding conveyer belt, the anti-dual sheet mechanism is located at the underface of the front end one third position of the paper feeding conveyer belt, and there is certain spacing between each other, the end of the paper feeding conveyer belt is equipped with holding paper feed mechanism, the material folding end of the holding paper feed mechanism and the bottom surface of the paper feeding conveyer belt are in same plane, by material cardboard, individual is sent into next stage station to the holding paper feed mechanism.The utility model has the beneficial effects that individual automatic paper feeding can be realized, cost of labor is saved, the process of feeding can be synchronous with the realization of the course of work of cross cutting, avoids equipment free-runing operation, improves the effective rate of utilization of equipment.
Description
Technical field
The utility model is related to mechanical die-cutting device field more particularly to a kind of suction paper feed mechanisms of die-cutting machine.
Background technology
Die-cutting machine is the important equipment that machine-shaping is packed after print, be mainly used for by printing or cardboard by cross cutting (it is complete it is disconnected,
Half disconnected), impression and gold stamping operation, fitting, automatic waste discharge roll and be cut into scheduled shape, form product.
The primary link that paper feed mechanism is die-cutting machine work is inhaled, can realize and fast and accurately throw material cardboard
Put to smearing in volume cutting position for die-cutting machine and be die cut, launch speed and feeding style directly influence output product efficiency and
Ensure the reasonable application of material cardboard.
Be substantially what semiautomatic-mode carried out in feeding link in existing die-cutting machine, i.e., it must there are one full-time
Staff is managed material cardboard and is thrown in feed conveyor belt, since material cardboard is being entirely initially whole pile
Packaging packaging structure, at paper feeding die-cutting machine, but die-cutting machine is only capable of corresponding single sheet material cardboard and carries out during the work time
Die cutting operation, but be to use to manually perform for feeding, during execution, carelessness is inevitably had by double-deck or multilayer
Material cardboard is sent into next stage station, since double-deck or multilayer material the thickness increases, it is easy to it is stuck at die cutting working position,
I.e. must shutdown adjustment machine, taking out can just work on after again adjusting machine after multilayer material, directly affect production
Progress.
The method of manual sorting, in the actual production process, due to and its speed of service it is relatively fast, artificial is difficult to protect
Hold it is consistent with the operating rate of machine, therefore influence production efficiency, so that die-cutting machine part-time is in the process of standby idle running,
Between reduce machine service life, meanwhile, also increase personnel cost.
Utility model content
In conjunction with the deficiencies in the prior art, the utility model provides a kind of can improving production efficiency and reduces cost
The suction paper feed mechanism of die-cutting machine.
The purpose of this utility model is achieved through the following technical solutions：
The inside of a kind of suction paper feed mechanism of die-cutting machine, including main body rack, the main body rack is equipped with anti-dual sheet machine
The top side of structure, the main body rack is fixed with paper feeding conveyer belt, before the anti-dual sheet mechanism is located at the paper feeding conveyer belt
The underface of one third position is held, and has certain spacing between each other, the end of the paper feeding conveyer belt is sent equipped with holding paper
Expect that mechanism, the material folding end of the holding paper feed mechanism and the bottom surface of the paper feeding conveyer belt are in same plane, the holding paper is sent
Expect that individual is sent into next stage station by material cardboard for mechanism.
Further, the anti-dual sheet mechanism includes Shell Plate, and the top surface of the Shell Plate is equipped with backgauge mouth, the gear
The both sides of material mouth are arranged with multiple inflatable mouths with angle of inclination, and backgauge is fixed on the inside of the Shell Plate and adjusts dress
It sets.
Further, the backgauge regulating device includes fixed plate, and the fixed plate is equipped with cross slide way, the transverse direction
Guide rail is equipped with the regulating part connected by lead screw, and the top side of the regulating part is equipped with longitudinal rail, can on the longitudinal rail
It is slidably fitted with individual punishment in advance adjustment plate, individual described punishment in advance adjustment plate is equipped with material blocking block, and the material blocking block is placed in the gear
Material mouth and outer surface higher than Shell Plate, one end of the lead screw are equipped with shaft coupling, the shaft coupling connection setting main body it
Between outside rotation hand wheel.
Further, the paper feeding conveyer belt includes conveyer belt mounting plate, is installed on the bottom surface of the conveyer belt mounting plate
There is belt support, the conveyer belt driven by drive shaft is equipped in the belt support, the conveyer belt is equipped with through-hole,
The middle part of the conveyer belt is equipped with the vacuum tank that air inlet is located at lower surface, and air inlet is corresponding with through-hole, and the vacuum tank can
What is adjusted is mounted in belt support, and the conveyer belt mounting plate is equipped with first sensor, for detecting material cardboard
Position.
Further, the belt support is divided into front half section and second half section, the front half section with pacify respectively on the second half section
Mounted in two end sides of conveyer belt mounting plate, it is equipped with the driven shaft and drive shaft for driving conveyer belt, is equipped with and passes at the front half section
Send band tension adjustment block.
Further, the tension adjustment block includes the fixed block being fixedly mounted on the side wall of vacuum tank, the fixation
Block is equipped with its perforative adjusting bolt, and the adjusting bolt is connected in the front half section of belt support.
Further, the holding paper feed mechanism includes the upper structure being mounted on main body rack and is arranged in anti-dual sheet
Lower structure on the inside of mechanism, the upper structure includes transverse slat, and the lower surface of the transverse slat is equipped with corresponding side plate, two sides
It is equipped with through the fixed two upper pressure paper axis of connecting shaft between plate, the lower structure includes line shaft, and the line shaft is equipped with
Lower paper pressing shaft corresponding with the upper pressure paper axis.
Further, the transverse slat is equipped with threaded adjusting bore, and the connecting shaft of two upper pressure paper between centers, which is equipped with, leads to
The bolt of threaded adjusting bore is crossed, the side plate is equipped with the keyhole of fixed connection shaft.
Further, the side of the threaded adjusting bore of the transverse slat is equipped with graduation mark, and the bolt is equipped with calibration point.
Further, the front end of the paper feeding conveyer belt is additionally provided with second sensor, and the second sensor is for detecting
The height of material cardboard.
The utility model has the beneficial effects that：
1, this holding paper feed mechanism mechanism can fully achieve the process of self-feeding, be assisted without staff, ensure
Manufacturing schedule saves cost of labor, and the process of feeding can be synchronous with the realization of the course of work of cross cutting, avoids equipment idle running fortune
Row, improves the effective rate of utilization of equipment；
2, the holding paper feeding process of the mechanism of the utility model can fully achieve the process of individual quick paper feeding, keep away completely
Exempt from the case where double-deck or multilayer occur when feeding, to reduce the risk of equipment operation exception shutdown, make equipment continuous work,
Improve production efficiency.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the suction paper feed mechanism for the die-cutting machine that the utility model embodiment provides；
Fig. 2 is the side view for inhaling anti-dual sheet mechanism in paper feed mechanism for the die-cutting machine that the utility model embodiment provides；
Fig. 3 is the cleavage map of Fig. 2；
Fig. 4 is the stereochemical structure for inhaling paper feeding conveyer belt in paper feed mechanism for the die-cutting machine that the utility model embodiment provides
Schematic diagram；
Fig. 5 is the front view of Fig. 4；
Fig. 6 is the top partial view diagram of Fig. 5；
Fig. 7 is the side view for inhaling holding paper feed mechanism in paper feed mechanism for the die-cutting machine that the utility model embodiment provides
Figure；
Fig. 8 is the dimensional structure diagram of Fig. 7；
Fig. 9 is that I goes out schematic enlarged-scale view in Fig. 8；
Figure 10 is the suction paper feed mechanism use state structure chart for the die-cutting machine that the utility model embodiment provides.
In figure：1, main body rack；2, anti-dual sheet mechanism；201, Shell Plate；202, backgauge mouth；203, inflatable mouth；204, solid
Fixed board；205, cross slide way；206, lead screw；207, regulating part；208, longitudinal rail；209, individual punishment in advance adjustment plate；2010, it keeps off
Expect block；3, paper feeding transmission belt；301, conveyer belt mounting plate；302, belt support；303, drive shaft；304, conveyer belt；305、
Through-hole；306, vacuum tank；307, first sensor；308, fixed block；309, adjusting bolt；4, holding paper feed mechanism；401, horizontal
Plate；402, side plate；403, connecting shaft；404, upper pressure paper axis；405, line shaft；406, lower paper pressing shaft；407, threaded adjusting bore；
408, bolt；409, graduation mark；4010, calibration point；5, shaft coupling；6, rotation hand wheel；7, second sensor；8, hoistable platform.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
It is merely representative of the selected embodiment of the utility model, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
As shown in Figure 1, Fig. 1 shows the suction paper feed mechanism for the die-cutting machine that the utility model embodiment provides, including master
The inside of body support frame 1, main body rack 1 is equipped with anti-dual sheet mechanism 2, and the top side of main body rack 1 is fixed with paper feeding conveyer belt 3, prevents
Double sheet mechanism 2 is located at the underface of the front end one third position of paper feeding conveyer belt 3, and has certain spacing between each other, send
The end of paper conveyer belt 3 is equipped with holding paper feed mechanism 4, and the material folding end and the bottom surface of paper feeding conveyer belt 3 of holding paper feed mechanism 4 are in
Same plane, holding paper feeding structure 4 by material cardboard individual be sent into next stage station.
Wherein, the front end of paper feeding conveyer belt 3 is additionally provided with second sensor 7, and second sensor 7 is for detecting material cardboard
Highly, during the work time, the detection of second sensor 7 specifically ensures the highest of material cardboard by the height of material cardboard
Height is located at the distance between 3043 lower section 10-15m of paper feeding conveyer belt, and the height higher than anti-dual sheet mechanism 25-10mm, prevents
Double sheet mechanism 2 is dispelled material cardboard by way of air blowing, and the single sheet material cardboard of top layer is made to be sent to be transmitted to and grab
Next stage is transmitted after taking.
As shown in Fig. 2, anti-dual sheet mechanism 2 includes Shell Plate 201, the top surface of Shell Plate 201 is equipped with backgauge mouth 202, gear
The both sides of material mouth 202 are arranged with multiple inflatable mouths 203 with angle of inclination, and the inside of Shell Plate 201 is fixed with backgauge
Regulating device, in the present embodiment, the number of inflatable mouth 203 is 4, and respectively in the both sides of backgauge mouth 202, and gas outlet is towards material
The side that cardboard enters the starting point for inhaling paper feed mechanism is in 45 ° of inclinations angle (i.e. the side of hoistable platform 8 in Fig. 7) upwards,
Material cardboard is dispelled by blowing gas, facilitates the better sorbing material cardboard of paper feeding conveyer belt.
Wherein, anti-dual sheet mechanism 2 is internally provided with wind turbine (not depending on going out), and the gas outlet of wind turbine corresponds to blowing on Shell Plate 201
Gas port 203, in 45 ° of oblique angles towards the side of material cardboard, purpose will dispel material cardboard, make the list of top layer for gas outlet
Material cardboard, which is sent to, is transmitted to crawl, and bottom surface distance of the backgauge regulating device away from paper feeding conveyer belt 3 is less than 5mm, mainly
It is adjustable for height structure for preventing paper feeding conveyer belt 3 from being captured when capturing material cardboard excessively.
As shown in figure 3, backgauge regulating device includes fixed plate 204, fixed plate 204 is equipped with cross slide way 205, laterally leads
Rail 205 is equipped with the regulating part 207 connected by lead screw 206, and the top side of regulating part 207 is equipped with longitudinal rail 208, longitudinal rail
Individual punishment in advance adjustment plate 209 is slidably mounted on 208, individual punishment in advance adjustment plate 209 is equipped with material blocking block 2010, material blocking block
2010 are placed in the backgauge mouth 202 and the outer surface higher than Shell Plate 201, and one end of lead screw 206 is equipped with shaft coupling 5, shaft coupling 5
The rotation hand wheel 6 in outside is arranged between main body in connection.
The regulating part 207 connected by 6 rotary screw rod 206 of rotation hand wheel, the small bearing action on regulating part 207, in cross
The driving lever of displacement on direction guiding rail 205,206 front end of lead screw adjusts individual punishment in advance adjustment plate 209 (not depending on going out), can be in longitudinal direction
Displacement on guide rail 208, to adjust height of the material blocking block 2010 apart from the bottom surface of paper feeding conveyer belt 3.
As shown in figure 4, paper feeding conveyer belt 3 includes conveyer belt mounting plate 301, conveyer belt mounting plate 301 is mounted on main body branch
Belt support 302 is installed on frame 1, on bottom surface, the transmission driven by drive shaft 303 is equipped in belt support 302
Band 304, drive shaft 303 provide power by external power source (not depending on going out), and conveyer belt 304 is equipped with through-hole 305, conveyer belt
304 middle part is equipped with the vacuum tank 306 that air inlet (not depending on going out) is located at lower surface, and the side of vacuum tank 306 is equipped with bleeding point (not
Depending on going out), with to the external compressor being equipped with of connection, vacuum tank 306 is made to keep negative pressure state, air inlet is corresponding with through-hole 305,
Vacuum tank 306 is adjustable to be mounted in belt support 302, specifically, fixed by strip-shaped hole and bolt, can before
After adjust the conveyer belt mounting plate 301 be equipped with first sensor 307, the position for detecting material cardboard.
When work, when first sensor 307 detects that there is material cardboard in 3043 lower section of paper feeding conveyer belt, to controller
Signal is sent out, controller control drives the power source of drive shaft 303 and takes out the compressor of air, and vacuum tank 306 is in negative pressure shape
State, forces air to enter air by the air inlet on its bottom surface, and air needs to enter by through-hole 305 corresponding with air inlet
In vacuum tank 306, and material cardboard is covered on through-hole 305, to force material cardboard to be attracted on conveyer belt 304 forward
Operation.
It is specific that belt support 302 is divided for front half section and second half section as shown in Figure 5, Figure 6, the front half section with it is later half
It is separately mounted to two end sides of conveyer belt mounting plate 301 in section, is fixed by strip-shaped hole and bolt, front and back can adjust
Section is equipped with the driven shaft and drive shaft 303 for driving conveyer belt 304,304 tension adjustment block of conveyer belt, master is equipped at front half section
Syllabus is the tension that can occasionally adjust conveyer belt 304, it is made to keep tight state, better sorbing material cardboard.
It is further preferred that tension adjustment block includes the fixed block 308 being fixedly mounted on the side wall of vacuum tank 306, institute
It states fixed block 308 to be equipped with its perforative adjusting bolt 309, adjusting bolt 309 is connected to the front half section of belt support 302
On, through adjusting bolt 309 is chosen to install, by the distance between front half section and second half section, to adjust the tension of conveyer belt 304.
As shown in fig. 7, holding paper feed mechanism 4 includes the upper structure being mounted on main body rack 1 and is arranged in anti-dual sheet
The lower structure of 2 inside of mechanism, upper structure include transverse slat 401, and the lower surface of transverse slat 401 is equipped with corresponding side plate 402, two side plates
It is equipped between 402 through 403 fixed two upper pressure paper axis 404 of connecting shaft, lower structure includes line shaft 405, on line shaft 405
Equipped with lower paper pressing shaft 406 corresponding with upper pressure paper axis 404, line shaft 405 provides power, power source by external power-equipment
Connecting shaft 403 is driven to rotate, upper pressure paper axis 404 is sent out by contacting turning handle material with lower paper pressing shaft 406.
Specifically, upper structure may be mounted at the end of the second half section of 304 holder 302 of conveyer belt in actual installation, mainly
It is that can ensure that the gap between upper pressure paper axis 404 and lower paper pressing shaft 406 is kept in the same plane with 304 bottom surface of conveyer belt.
More specifically, transverse slat 401 is equipped with threaded adjusting bore 407, is set in the connecting shaft 403 between two upper pressure paper axis 404
There are the bolt 408 by threaded adjusting bore 407, side plate 402 to be equipped with the keyhole of fixed connection shaft 403, connecting shaft 403 can be made
Adjustment up and down, the bottom side of bolt 408 by the connecting shaft 403 of universal axis connection upper pressure paper axis 404, by rotate bolt 408 with
Adjust the height of upper pressure paper axis 404.
Still more preferably, the side of the threaded adjusting bore 407 of transverse slat 401 is equipped with graduation mark 409, is set on bolt 408
There is calibration point 4010, can ensure the consistency of the adjusting angle of two bolts 408, prevents the height adjusted inconsistent and lead
Cause holding paper dynamics uneven.
As shown in figure 8, when utility model works, first each component of equipment is debugged to suitable position, material cardboard
Be raised to the bottom side of paper feeding conveyer belt 3 by hoistable platform 8, second sensor 7 detect the apical side height of its material cardboard away from
The bottom surface of conveyer belt 304 is the distance of 10mm or so, while the air blowing of anti-dual sheet mechanism 2 dispels material cardboard, makes top layer
Material cardboard is affixed on the bottom surface of conveyer belt 304, after first sensor 307 detects material cardboard, is controlled and is passed by controller
It send band 304 to work and vacuum tank 306 is made to be in negative pressure state, conveyer belt 304 is fed forward after adsorbing material cardboard, into folder
Single sheet material cardboard is sent into next stage operating mechanism by paper feed mechanism 4, holding paper feed mechanism 4.
Finally it should be noted that：Above-described each embodiment is merely to illustrate the technical solution of the utility model, rather than
It is limited；Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art
It should be understood that：It can still modify to the technical solution recorded in previous embodiment, or to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (10)
1. a kind of suction paper feed mechanism of die-cutting machine, it is characterised in that：Including main body rack, the inside of the main body rack is equipped with
The top side of anti-dual sheet mechanism, the main body rack is fixed with paper feeding conveyer belt, and the anti-dual sheet mechanism is located at paper feeding biography
The underface of the front end one third position of band is sent, and has certain spacing between each other, the end of the paper feeding conveyer belt is set
There are holding paper feed mechanism, the material folding end of the holding paper feed mechanism and the bottom surface of the paper feeding conveyer belt to be in same plane, institute
Stating holding paper feed mechanism, individual is sent into next stage station by material cardboard.
2. the suction paper feed mechanism of die-cutting machine as described in claim 1, it is characterised in that：The anti-dual sheet mechanism includes shell
The top surface of plate, the Shell Plate is equipped with backgauge mouth, and the both sides of the backgauge mouth are arranged with multiple blowing with angle of inclination
Gas port is fixed with backgauge regulating device on the inside of the Shell Plate.
3. the suction paper feed mechanism of die-cutting machine as claimed in claim 2, it is characterised in that：The backgauge regulating device includes solid
Fixed board, the fixed plate are equipped with cross slide way, and the cross slide way is equipped with the regulating part connected by lead screw, the adjusting
The top side of part is equipped with longitudinal rail, individual punishment in advance adjustment plate, individual described punishment in advance tune have been slidably mounted on the longitudinal rail
Whole plate is equipped with material blocking block, and the material blocking block is placed in the backgauge mouth and the outer surface higher than Shell Plate, one end of the lead screw
Equipped with shaft coupling, the rotation hand wheel in outside is arranged between main body in the shaft coupling connection.
4. the suction paper feed mechanism of die-cutting machine as described in claim 1, it is characterised in that：The paper feeding conveyer belt includes transmission
With mounting plate, belt support is installed on the bottom surface of the conveyer belt mounting plate, is equipped in the belt support and passes through drive
The conveyer belt that moving axis drives, the conveyer belt are equipped with through-hole, and the middle part of the conveyer belt is located at lower surface equipped with air inlet
Vacuum tank, air inlet is corresponding with through-hole, and the vacuum tank is adjustable to be mounted in belt support, the conveyer belt installation
Plate is equipped with first sensor, the position for detecting material cardboard.
5. the suction paper feed mechanism of die-cutting machine as claimed in claim 4, it is characterised in that：The belt support is divided into first half
Section and second half section, the front half section and two end sides that conveyer belt mounting plate is separately mounted on the second half section, are equipped with and drive transmission
The driven shaft and drive shaft of band are equipped with belt tension adjusting block at the front half section.
6. the suction paper feed mechanism of die-cutting machine as claimed in claim 5, it is characterised in that：The tension adjustment block includes fixing
Fixed block on the side wall of vacuum tank, the fixed block are equipped with its perforative adjusting bolt, the adjusting bolt
It is connected in the front half section of belt support.
7. the suction paper feed mechanism of die-cutting machine as described in claim 1, it is characterised in that：The holding paper feed mechanism includes peace
Upper structure on main body rack and the lower structure being arranged on the inside of anti-dual sheet mechanism, the upper structure includes transverse slat, institute
The lower surface for stating transverse slat is equipped with corresponding side plate, is equipped between two side plates and passes through fixed two upper pressure papers of connecting shaft
Axis, the lower structure include line shaft, and the line shaft is equipped with lower paper pressing shaft corresponding with the upper pressure paper axis.
8. the suction paper feed mechanism of die-cutting machine as claimed in claim 7, it is characterised in that：The transverse slat is equipped with threaded adjusting
Hole, the connecting shaft of two upper pressure paper between centers are equipped with the bolt by threaded adjusting bore, and the side plate is equipped with fixed connect
The keyhole of spindle.
9. the suction paper feed mechanism of die-cutting machine as claimed in claim 8, it is characterised in that：The threaded adjusting bore of the transverse slat
Side is equipped with graduation mark, and the bolt is equipped with calibration point.
10. the suction paper feed mechanism of die-cutting machine as described in claim 1, it is characterised in that：The front end of the paper feeding conveyer belt
It is additionally provided with second sensor, the second sensor is used to detect the height of material cardboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721563918.2U CN207656784U (en) | 2017-11-21 | 2017-11-21 | A kind of suction paper feed mechanism of die-cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721563918.2U CN207656784U (en) | 2017-11-21 | 2017-11-21 | A kind of suction paper feed mechanism of die-cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207656784U true CN207656784U (en) | 2018-07-27 |
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ID=62946952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721563918.2U Active CN207656784U (en) | 2017-11-21 | 2017-11-21 | A kind of suction paper feed mechanism of die-cutting machine |
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| CN (1) | CN207656784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738303A (en) * | 2017-11-21 | 2018-02-27 | 深圳市哈德胜精密科技股份有限公司 | A kind of suction paper feed mechanism of die-cutting machine |
-
2017
- 2017-11-21 CN CN201721563918.2U patent/CN207656784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738303A (en) * | 2017-11-21 | 2018-02-27 | 深圳市哈德胜精密科技股份有限公司 | A kind of suction paper feed mechanism of die-cutting machine |
| CN107738303B (en) * | 2017-11-21 | 2024-02-06 | 深圳市哈德胜精密科技股份有限公司 | Paper sucking and feeding mechanism of die cutting machine |
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