CN214821876U - A press material cleaning device for printing tectorial membrane - Google Patents

A press material cleaning device for printing tectorial membrane Download PDF

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Publication number
CN214821876U
CN214821876U CN202121505011.7U CN202121505011U CN214821876U CN 214821876 U CN214821876 U CN 214821876U CN 202121505011 U CN202121505011 U CN 202121505011U CN 214821876 U CN214821876 U CN 214821876U
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China
Prior art keywords
dust
fan
cleaning device
hood
conveying roller
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Application number
CN202121505011.7U
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Chinese (zh)
Inventor
陈剑中
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Dongguan Hechang Printing Co ltd
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Dongguan Hechang Printing Co ltd
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Abstract

The application relates to the technical field of printing equipment, in particular to a pressing and cleaning device for printing films, which comprises a dust hood, a scraper blade, a dust collecting pipe, a fan and a dust collecting box, wherein the dust hood is arranged on a vertical plate and is arranged along the length direction of a conveying roller, the bottom of the dust hood is arranged in an opening manner, the scraper blade is fixed on the side wall of the dust hood, the scraper blade is arranged along the length direction of the conveying roller, the bottom of the scraper blade is attached to the surface of the conveying roller, one end of the dust collecting pipe is fixed on the top of the dust hood, the dust collecting pipe is communicated with the interior of the dust hood, the fan is positioned on one side of a conveying table, an air inlet pipe of the fan is communicated with the other end of the dust collecting pipe, and an air outlet pipe of the fan is communicated with the dust collecting box; this application has the advantage that improves cardboard tectorial membrane quality.

Description

A press material cleaning device for printing tectorial membrane
Technical Field
The application relates to the technical field of printing equipment, in particular to a material pressing and cleaning device for printing films.
Background
The printing film covering refers to that a layer of transparent plastic film is pasted on a paperboard. A layer of transparent plastic film is pasted on the paper board, namely the film is covered. In particular, the easily worn parts such as the cover in the printing of the product specifications, the outer surface of the carton, if a protective film is required, are laminated after printing and before folding and cutting, which must be transparent, have good toughness, be homogeneous in texture, free from blisters and have a smooth surface, which is usually carried out by means of a printing laminator.
In the related art, a paperboard is generally required to be conveyed on a conveying frame for a certain distance before film covering, and the general conveying frame comprises a conveying table, a vertical plate, a driving motor and conveying rollers, wherein one end of the conveying table is located on one side of a feed inlet of a printing film covering machine, the paperboard is located on the upper surface of the conveying table and conveyed along the length direction of the conveying table, the vertical plate is vertically fixed on the upper surface of the conveying table, the driving motor is installed on the vertical plate, the conveying rollers are coaxially fixed on the end portions of output shafts of the driving motor, the conveying rollers are pressed on the upper surface of the paperboard, and the conveyed paperboard is pressed through rotation of the conveying rollers, so that smoothness of the paperboard during film covering printing is guaranteed.
With respect to the above-described related art, the inventors consider that the following problems exist: when the environmental quality in workshop is relatively poor, the long back of time of conveying roller use, the surface of conveying roller may be stained with dust impurity, and the conveying roller is when carrying the cardboard of pressfitting subsequent processing, and the dust on conveying roller surface may be stained with to the upper surface of cardboard, and then influences the tectorial membrane quality of cardboard, so need improve.
SUMMERY OF THE UTILITY MODEL
In order to improve the tectorial membrane quality of cardboard, this application provides a press material cleaning device for printing tectorial membrane.
The application provides a press material cleaning device for printing tectorial membrane adopts following technical scheme:
the utility model provides a press material cleaning device for printing tectorial membrane, includes suction hood, scraper blade, dust leg, fan and dust collection box, the suction hood is installed on the riser, the suction hood sets up along the length direction of conveying roller, the bottom of suction hood is the opening setting, the scraper blade is fixed in the lateral wall of suction hood, the scraper blade sets up along the length direction of conveying roller, the bottom of scraper blade and the surface laminating of conveying roller, the one end of dust leg is fixed in the top of suction hood, the dust leg communicates with the suction hood is inside, the fan is located one side of carrying the platform, the intake pipe of fan communicates with the other end of dust leg, the outlet duct and the dust collection box intercommunication of fan.
Through adopting above-mentioned technical scheme, the cardboard is at the in-process of carrying, start driving motor, rotate with driving the conveying roller, when the conveying roller rotates, because the bottom of scraper blade is laminated with the surface of conveying roller, the scraper blade scrapes the dust impurity on conveying roller surface, and simultaneously, start the fan, the dust impurity that the wind-force of fan output scraped the scraper blade is inhaled in the suction hood, and dust impurity enters into the fan through the dust-collecting tube, last dust impurity enters into the dust-collecting box and unifies the processing, above-mentioned operation can reduce the dust on attached to conveying roller surface, and then the condition emergence of the dust adhesion on conveying roller surface to the upper surface of cardboard has been reduced, the tectorial membrane quality of cardboard has been improved indirectly.
Preferably, the top of suction hood is provided with many connecting pipes, many the connecting pipe sets up along the length direction interval of suction hood, many the both ends of connecting pipe communicate with the inside of dust collecting pipe and suction hood respectively.
Through adopting above-mentioned technical scheme, many connecting pipes set up along the length direction interval of suction hood, and then make the wind-force of fan can be more even act on whole conveying roller, indirectly improved this material cleaning device's clearance effect of pressing.
Preferably, a driving cylinder is arranged at the end of the dust hood and fixed on the vertical plate, and a piston rod of the driving cylinder is arranged along the length direction of the conveying roller.
Through adopting above-mentioned technical scheme, start to drive actuating cylinder, the piston rod that drives actuating cylinder is flexible, and then drives the dust absorption cover along the length direction reciprocating motion of conveying roller, further increases the effect scope of the wind power of connecting pipe department fan, further increases this pressure material cleaning device's clearance effect.
Preferably, be provided with fixed subassembly between suction hood and the scraper blade, fixed subassembly is including the clamping screw of installation pole and many vertical settings, installation pole vertical fixation is in the lateral wall of suction hood, the length direction setting of conveying roller is followed to the installation pole, the upper surface of scraper blade and the lower surface laminating of installation pole, many clamping screw sets up along the length direction interval of installation pole, clamping screw is the screw thread in proper order and runs through the upper and lower surface of installation pole and the upper surface of scraper blade.
Through adopting above-mentioned technical scheme, when the scraper blade live time is long, the face of scraper blade and conveying roller contact probably receives wearing and tearing, unscrews many clamping screw to take out old scraper blade, laminate new scraper blade in the lower surface of installation pole again, and twist many clamping screw into installation pole and new scraper blade, fix between with the installation pole in order to realize new scraper blade, and then realized the change to the scraper blade.
Preferably, the lower surface of installation pole is provided with the locating piece, the constant head tank has been seted up to the upper surface of scraper blade, the locating piece cooperatees with the constant head tank grafting.
Through adopting above-mentioned technical scheme, during the installation scraper blade, laminate the scraper blade in the lower surface of installation pole, simultaneously, the locating piece inserts in the constant head tank, and then can realize the location to scraper blade mounted position fast, has indirectly improved the installation effectiveness of scraper blade.
Preferably, the lateral wall of dust collection box is provided with the body, be provided with coupling assembling between the outlet duct of body and fan, coupling assembling includes first go-between, second go-between and elasticity pothook, the coaxial tip that is fixed in the body of first go-between, the coaxial tip that is fixed in the outlet duct of fan of second go-between, the terminal surface of first go-between and second go-between laminates each other, the elasticity pothook is fixed in the lateral wall of first go-between, the cooperation is colluded with the terminal surface that the second go-between dorsad first go-between.
Through adopting above-mentioned technical scheme, when the inside dust impurity of dust collection box reached a quantitative time, the elastic clamping hook was stirred to staff's hand to make the terminal surface of elastic clamping hook and second go-between break away from, in order to relieve the fixed between dust collection box and the fan, and then can take out the dust collection box alone, can handle the dust impurity in the dust collection box more conveniently.
Preferably, a sealing ring is arranged between the end faces of the first connecting ring and the second connecting ring, which are attached to each other.
By adopting the technical scheme, the sealing ring can improve the connection sealing performance of the first connecting ring and the second connecting ring.
Preferably, the outer wall of the dust collection box is provided with an observation window.
Through adopting above-mentioned technical scheme, the staff can see through the observation window, and convenient and fast ground knows the inside dust impurity of dust collection box and piles up the particular case.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the pressing cleaning device for printing and laminating can reduce the adhesion of dust and impurities on the surface of a paperboard, and indirectly improve the laminating quality of the paperboard;
2. the pressing and cleaning device for printing and laminating is stable in structure and good in working performance;
3. this kind of a press material cleaning device for printing tectorial membrane is convenient for the dismouting.
Drawings
Fig. 1 is a schematic structural view of a material pressing and cleaning device and a conveying rack in embodiment 1 of the present application.
Fig. 2 is a schematic view of the assembly between the dust hood and the scraper in embodiment 1 of the present application.
Fig. 3 is a schematic structural view of a dust box and a fan in embodiment 2 of the present application.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Description of reference numerals: 1. a carriage; 11. a conveying table; 12. a vertical plate; 13. a drive motor; 14. a conveying roller; 2. a dust hood; 21. a connecting pipe; 22. a driving cylinder; 23. a load bearing column; 3. a squeegee; 31. positioning a groove; 4. a dust collecting pipe; 41. a hard pipe section; 42. a hose section; 5. a fan; 6. a dust collection box; 61. a cover plate; 62. a pipe body; 63. an observation window; 7. a fixing assembly; 71. mounting a rod; 711. positioning blocks; 72. fixing the screw rod; 8. a connecting assembly; 81. a first connecting ring; 82. a second connection ring; 83. an elastic hook; 9. and (5) sealing rings.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment 1 of the application discloses a material cleaning device presses for printing tectorial membrane.
Example 1:
for a clearer understanding of the technical solutions presented in the embodiments of the present application, the specific structure and operation principle of the related art conveying frame 1 should be understood first:
referring to fig. 1, specifically, the conveying frame 1 includes a conveying platform 11, two vertical plates 12, a driving motor 13 and conveying rollers 14, the conveying platform 11 is disposed in a rectangular shape, one end of the conveying platform 11 is located on one side of a feeding port of the printing film laminating machine, the paper board is located on an upper surface of the conveying platform 11 and conveyed along a length direction of the conveying platform 11, the two vertical plates 12 are perpendicularly fixed on the upper surface of the conveying platform 11, the two vertical plates 12 are parallel to each other and spaced apart from each other along a width direction of the conveying platform 11 on two sides of the upper surface of the conveying platform 11, the driving motor 13 is mounted on a side wall of one vertical plate 12 facing away from the other vertical plate 12, the conveying rollers 14 are rotatably supported between opposite side walls of the two vertical plates 12, the conveying rollers 14 are parallel to the width direction of the conveying platform 11, one end of the conveying rollers 14 is coaxially fixed on an end of an output shaft of the driving motor 13, and the conveying rollers 14 are pressed on the upper surface of the paper board, starting driving motor 13, driving motor 13 drives conveying roller 14 and rotates when pivoted, and conveying roller 14's rotation can carry out the pressfitting to the cardboard of carrying to the planarization when improving the cardboard printing tectorial membrane.
Referring to fig. 1 and 2, a pressing and cleaning device for printing and laminating comprises a dust hood 2, a scraper 3, a dust collecting pipe 4, a fan 5 and a dust collecting box 6, wherein the dust hood 2 is arranged between two vertical plates 12 and above a conveying roller 14, the bottom of the dust hood 2 is open, meanwhile, one end of the dust collecting pipe 4 is fixed above the dust hood 2 and is communicated with the interior of the dust hood 2, the fan 5 is placed on the ground and is positioned at one side of the conveying platform 11, the air inlet pipe of the fan 5 is communicated with the other end of the dust collecting pipe 4, the dust collecting box 6 is positioned at one side of the fan 5, the air outlet pipe of the fan 5 is fixed with the side wall of the dust collecting box 6 in a welding way, and the air outlet pipe of the fan 5 is communicated with the inside of the dust collection box 6, the top of the dust collection box 6 is arranged in an opening way, and a cover plate 61 for covering the top opening of the dust box 6 is hinged at the top opening of the dust box 6.
Further, the top of the dust hood 2 is provided with a plurality of connection pipes 21, in this embodiment. The quantity of connecting pipe 21 sets up to two, and two connecting pipes 21 set up along the length direction interval of suction hood 2, connecting pipe 21 and suction hood 2 mutually perpendicular, and the one end of connecting pipe 21 sets up for integrated into one piece with suction hood 2, and the other end of connecting pipe 21 realizes fixedly through the mode that bonds with collecting tube 4, the both ends of connecting pipe 21 communicate with the inside of collecting tube 4 and suction hood 2 respectively. Meanwhile, the end of the dust hood 2 is provided with a driving cylinder 22, the driving cylinder 22 is vertically fixed on the side wall of one vertical plate 12, which is back to the conveying shaft, through a screw, the driving cylinder 22 is located on one side of the driving motor 13, a piston rod of the driving cylinder 22 movably penetrates through the vertical plate 12 and is fixed with the dust hood 2 in a welding mode, in addition, the other end of the dust hood 2 is vertically fixed with a bearing column 23, and the bearing column 23 movably penetrates through the other vertical plate 12.
The two connecting pipes 21 are arranged at intervals along the length direction of the dust hood 2, so that the wind power of the fan 5 can more uniformly act on the whole conveying roller 14, and the cleaning effect of the material pressing and cleaning device is indirectly improved; simultaneously, start and drive actuating cylinder 22, the piston rod that drives actuating cylinder 22 is flexible, and then drives suction hood 2 along the length direction reciprocating motion of conveying roller 14, further increases the effect scope of the wind power of connecting pipe 21 department fan 5, further increases this pressure material cleaning device's clearance effect.
To the above means, because the dust collecting pipe 4 needs to follow the dust hood 2 and move, and the other end of the dust collecting pipe 4 is fixed with the fan 5, for improving the placing stability of the fan 5, the following scheme is adopted:
specifically, the dust collecting pipe 4 includes hard pipe section 41 and hose section 42, in this embodiment, hard pipe section 41 adopts the plastic that has certain hardness to make, hose section 42 adopts the silica gel that has certain softness to make, hard pipe section 41 is the level setting, the one end of hard pipe section 41 is fixed and communicates with the top of suction hood 2, and two connecting pipes 21 and the bottom mounting and the intercommunication of hard pipe section 41, the one end of hose section 42 is fixed through the mode that bonds with the other end of hard pipe section 41, and hose section 42 and hard pipe section 41 communicate. Meanwhile, the other end of the hose section 42 is fixed to the air inlet pipe of the fan 5 through a flange. When the dust hood 2 moves under the action of the driving cylinder 22, the hard pipe section 41 is driven to move, and the soft pipe section 42 has certain softness, so that the soft pipe section 42 can deform correspondingly, the necessity of movement of the fan 5 is reduced, and the placing stability of the fan 5 is improved.
Further, when the blade 3 is used for a long time, the surface of the blade 3 in contact with the conveying roller 14 may be worn, and to solve the above problem, the following is adopted:
specifically, be provided with fixed subassembly 7 between suction hood 2 and the scraper blade 3, fixed subassembly 7 is including the mounting rod 71 and the many vertical set up clamping screw 72, mounting rod 71 vertical fixation is in the lateral wall of suction hood 2, mounting rod 71 sets up with suction hood 2 is integrated into one piece, mounting rod 71 sets up along the length direction of conveying roller 14, and simultaneously, the upper surface of scraper blade 3 laminates with the lower surface of mounting rod 71, in this embodiment, the quantity of clamping screw 72 sets up to six, six clamping screw 72 set up along the length direction interval of mounting rod 71, clamping screw 72 in proper order the screw thread run through the upper and lower surface of mounting rod 71 and the upper surface of scraper blade 3.
Further, the lower surface of installation pole 71 still is fixed with two locating pieces 711 through the welded mode is perpendicular, and two locating pieces 711 are cylindric setting, and two locating pieces 711 set up along the length direction interval of installation pole 71, and are corresponding, and two constant head tanks 31 with the locating piece 711 one-to-one are seted up to the upper surface of scraper blade 3, and locating piece 711 is pegged graft with constant head tank 31 and is cooperated.
Unscrew six fixing screw 72 to take out old scraper blade 3, laminate new scraper blade 3 in the lower surface of installation pole 71, simultaneously, locating piece 711 inserts in the constant head tank 31, and then can realize the location to scraper blade 3 mounted position fast, when the upper surface of new scraper blade 3 and the upper surface of installation pole 71 are laminated completely, twist six fixing screw 72 into installation pole 71 and new scraper blade 3, with the realization new scraper blade 3 and the installation pole 71 between fixed, and then realized the change to scraper blade 3.
The implementation principle of the pressing and cleaning device for printing and laminating in embodiment 1 of the application is as follows: the cardboard is at the in-process of carrying, start driving motor 13, in order to drive conveying roller 14 and rotate, conveying roller 14 is in the time of the pivoted, because the bottom of scraper blade 3 and conveying roller 14's surface laminating, scraper blade 3 scrapes the dust impurity on conveying roller 14 surface, and simultaneously, start fan 5, the dust impurity that scraper blade 3 scraped is inhaled in suction hood 2 to the wind-force of fan 5 output, and dust impurity enters into fan 5 through dust-collecting tube 4 in, last dust impurity enters into and unifies the processing in dust collection box 6, above-mentioned operation can reduce the dust that adheres to conveying roller 14 surface, and then the condition that the dust that has reduced conveying roller 14 surface adheres to the upper surface of cardboard takes place, the tectorial membrane quality of cardboard has indirectly been improved.
Example 2:
referring to fig. 3 and 4, the difference from embodiment 1 is that a pipe body 62 is disposed on a side wall of the dust box 6, a cross section of the pipe body 62 is disposed in a circular ring shape, a central axis of the pipe body 62 is perpendicular to the side wall of the dust box 6, the pipe body 62 is communicated with the inside of the dust box 6, the pipe body 62 and the dust box 6 are integrally formed, and meanwhile, a connection assembly 8 is disposed between the pipe body 62 and an air outlet pipe of the fan 5.
Specifically, the connection assembly 8 includes a first connection ring 81, a second connection ring 82 and two elastic hooks 83, the first connection ring 81 is coaxially fixed to the end portion of the pipe body 62 facing away from the dust collecting box 6 in a welding manner, the second connection ring 82 is coaxially fixed to the end portion of the air outlet pipe of the fan 5, the end surfaces of the first connection ring 81 and the second connection ring 82 are attached to each other, in addition, the two elastic hooks 83 are respectively fixed to two outer wall sides of the first connection ring 81 in a screw fixing manner, the two elastic hooks 83 are symmetrically arranged about the central axis of the first connection ring 81, in this embodiment, the elastic hooks 83 are made of rubber with certain elasticity, and the elastic hooks 83 and the end surface of the second connection ring 82 facing away from the first connection ring 81 are hooked and matched.
When the dust impurities in the dust collection box 6 reach a certain amount, the elastic hook 83 is pulled by the hand of the worker, so that the elastic hook 83 is separated from the end face of the second connecting ring 82, the fixation between the dust collection box 6 and the fan 5 is released, the dust collection box 6 can be taken out independently, and the dust impurities in the dust collection box 6 can be processed more conveniently.
Further, be provided with sealing washer 9 between the terminal surface that first go-between 81 and the mutual laminating of second go-between 82, two surfaces of sealing washer 9 respectively with the first terminal surface butt cooperation that is relative with second go-between 81, sealing washer 9 and the clamping-force of first go-between 81 and second go-between 82 down remain stable, in this embodiment, sealing washer 9 adopts the material that has certain waterproof performance to make, this material that has certain waterproof performance is prior art, do not do too much to describe here again, and then can improve the connection leakproofness of first go-between 81 and second go-between 82.
In addition, the outer wall of the dust collection box 6 is provided with an observation window 63, the observation window 63 is made of glass with certain transparency, and a worker can conveniently and quickly know the specific situation of dust and impurities accumulation in the dust collection box 6 through the observation window 63.
The experimental principle of embodiment 2 of the present application is substantially the same as the implementation principle of embodiment 1, and will not be described herein.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a press material cleaning device for printing tectorial membrane which characterized in that: comprises a dust hood (2), a scraper (3), a dust collecting pipe (4), a fan (5) and a dust collecting box (6), the dust hood (2) is arranged on the vertical plate (12), the dust hood (2) is arranged along the length direction of the conveying roller (14), the bottom of the dust hood (2) is provided with an opening, the scraper (3) is fixed on the side wall of the dust hood (2), the scraper (3) is arranged along the length direction of the conveying roller (14), the bottom of the scraper (3) is attached to the surface of the conveying roller (14), one end of the dust collecting pipe (4) is fixed on the top of the dust hood (2), the dust collecting pipe (4) is communicated with the interior of the dust hood (2), the fan (5) is positioned on one side of the conveying table (11), an air inlet pipe of the fan (5) is communicated with the other end of the dust collecting pipe (4), and an air outlet pipe of the fan (5) is communicated with the dust collecting box (6).
2. The material pressing and cleaning device for the printing film covering according to claim 1, characterized in that: the top of suction hood (2) is provided with many connecting pipes (21), many the length direction interval along suction hood (2) sets up, many connecting pipe (21) the both ends respectively with the inside intercommunication of dust collecting tube (4) and suction hood (2).
3. The material pressing and cleaning device for the printing film covering according to claim 2, characterized in that: the end part of the dust hood (2) is provided with a driving cylinder (22), the driving cylinder (22) is fixed on the vertical plate (12), and a piston rod of the driving cylinder (22) is arranged along the length direction of the conveying roller (14).
4. The material pressing and cleaning device for the printing film covering according to claim 1, characterized in that: be provided with between suction hood (2) and scraper blade (3) fixed subassembly (7), fixed subassembly (7) are including installing pole (71) and many vertical set up clamping screw (72), install the lateral wall of pole (71) vertical fixation in suction hood (2), the length direction setting of conveying roller (14) is followed in installation pole (71), the upper surface of scraper blade (3) and the lower surface laminating of installation pole (71), many clamping screw (72) set up along the length direction interval of installation pole (71), clamping screw (72) screw thread runs through the upper and lower surface of installation pole (71) and the upper surface of scraper blade (3) in proper order.
5. The material pressing and cleaning device for the printing film covering according to claim 4, characterized in that: the lower surface of the mounting rod (71) is provided with a positioning block (711), the upper surface of the scraper (3) is provided with a positioning groove (31), and the positioning block (711) is in splicing fit with the positioning groove (31).
6. The material pressing and cleaning device for the printing film covering according to claim 1, characterized in that: the lateral wall of dust collection box (6) is provided with body (62), be provided with coupling assembling (8) between the outlet duct of body (62) and fan (5), coupling assembling (8) are including first go-between (81), second go-between (82) and elasticity pothook (83), the tip of body (62) is fixed in to first go-between (81) coaxial, the tip of the outlet duct of fan (5) is fixed in to second go-between (82) coaxial, the terminal surface of first go-between (81) and second go-between (82) laminates each other, elasticity pothook (83) are fixed in the lateral wall of first go-between (81), elasticity pothook (83) and second go-between (82) collude the cooperation of holding to the terminal surface of first go-between (81) dorsad.
7. The material pressing and cleaning device for the printing film covering according to claim 6, characterized in that: and a sealing ring (9) is arranged between the end surfaces of the first connecting ring (81) and the second connecting ring (82) which are attached to each other.
8. The material pressing and cleaning device for the printing film covering according to claim 6, characterized in that: an observation window (63) is arranged on the outer wall of the dust collection box (6).
CN202121505011.7U 2021-07-02 2021-07-02 A press material cleaning device for printing tectorial membrane Active CN214821876U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121505011.7U CN214821876U (en) 2021-07-02 2021-07-02 A press material cleaning device for printing tectorial membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121505011.7U CN214821876U (en) 2021-07-02 2021-07-02 A press material cleaning device for printing tectorial membrane

Publications (1)

Publication Number Publication Date
CN214821876U true CN214821876U (en) 2021-11-23

Family

ID=78812293

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121505011.7U Active CN214821876U (en) 2021-07-02 2021-07-02 A press material cleaning device for printing tectorial membrane

Country Status (1)

Country Link
CN (1) CN214821876U (en)

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