CN110962444A - Presswork pre-pressing device - Google Patents
Presswork pre-pressing device Download PDFInfo
- Publication number
- CN110962444A CN110962444A CN201911165030.7A CN201911165030A CN110962444A CN 110962444 A CN110962444 A CN 110962444A CN 201911165030 A CN201911165030 A CN 201911165030A CN 110962444 A CN110962444 A CN 110962444A
- Authority
- CN
- China
- Prior art keywords
- platform
- pressing
- piston rod
- connecting plate
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/10—Screen printing machines characterised by their constructional features
Abstract
The invention discloses a presswork pre-pressing device which comprises a driving air cylinder, a pressing platform, at least two secondary pressing platforms, a guide rail and a plurality of racks arranged on the guide rail, wherein the pressing platform is positioned above the racks, a piston rod of the driving air cylinder is vertically arranged, the bottom end of the piston rod is connected to the top surface of the pressing platform, the secondary pressing platforms are arranged above the pressing platform, and when the driving air cylinder drives the pressing platform to press the surface of the racks, the secondary pressing platforms gradually vertically press the top surface of the pressing platform, and the contact force between the secondary pressing platforms and the pressing platform is gradually increased. The prepressing method has the beneficial effects that the phenomena of uneven surface and wrinkles of the printed matter are solved by prepressing the printed matter, and the subsequent printing quality can be improved.
Description
Technical Field
The invention relates to a prepressing device, in particular to a presswork prepressing device.
Background
At present, among the printing trade, screen printing's application is comparatively extensive, and wherein, elliptical printing machine's rate of utilization is higher and higher, elliptical printing machine is provided with the guide rail, the guide rail then is closed structure, it is set up by two linear type guide rails and two annular guide rail integrations, it is "oval" shape to have constituted, elliptical printing machine also gets the name from this, the guide rail installation is provided with a plurality of benches, and set up drive arrangement and order about the bench and move along the guide rail, every bench then bears a printed matter, set up a plurality of print stations simultaneously on the guide rail, most are the print station, and directly carry out the printing process to the printed matter, this kind of operating mode has following defect: the surface of part of the printed matter is not flat, the printed pattern is easy to deform when the silk-screen printing is carried out, and even the phenomenon of overlapping printing of part of the printed pattern occurs, so that the prepressing device is necessary for the condition.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a presswork prepressing device, which solves the problems of uneven surface and wrinkles of presswork by prepressing the presswork and can improve the subsequent printing quality.
The invention is realized by the following technical scheme.
The utility model provides a presswork pre-compaction device, presses the platform including driving actuating cylinder, pressure platform, two at least secondary, is provided with the guide rail and installs a plurality of racks at the guide rail, press the platform to be located the rack top, the vertical setting of piston rod and the bottom that drive actuating cylinder are connected press the top surface of platform, the secondary is pressed the platform and is set up press the platform top, it orders about to drive actuating cylinder press the platform to be in when the rack surface, the secondary is pressed the platform vertical pressure gradually press to press the top surface of platform and with press the contact dynamics of platform and increase gradually.
The presswork is pressed through the pressing platform, then the acting force is continuously applied to the pressing platform through the secondary pressing platform, and the problem that the presswork surface is damaged and damaged due to the fact that the presswork is directly pressed easily is avoided.
Further, be provided with the mount and be located rack side, the part of mount is located the top of rolling the platform, it installs to drive actuating cylinder fixed mounting in the mount, the fixed surface of rolling the platform is provided with two at least vertical first guide bars, the rack is provided with two at least vertical through-holes, first guide bar pass the through-hole and with through-hole sliding fit.
Furthermore, the piston rod fixing sleeve is provided with a connecting plate, the connecting plate is horizontally arranged, the secondary pressing platform is installed on the bottom surface of the connecting plate, the piston rod is in limited sliding connection with the pressing platform, the driving cylinder drives the piston rod to drive the pressing platform to press downwards, and after the pressing platform presses the surface of the rack, the piston rod can continuously descend relative to the pressing platform and relieve acting force on the pressing platform.
Further, the first guide rod vertically penetrates through the connecting plate and is in sliding fit with the connecting plate.
Furthermore, the top surface center department of pressing and finishing platform is provided with vertical connecting cylinder, connecting cylinder cavity sets up and the top is provided with the through-hole, the connecting cylinder with the coaxial setting of piston rod, the piston rod by the through-hole on connecting cylinder top stretches into in the connecting cylinder, and with connecting cylinder sliding fit, the bottom pot head of piston rod is established and is fixed with the position circle, pressing and finishing platform is not pressed when the rack surface, the position circle with the interior terminal surface on connecting cylinder top offsets.
The connecting cylinder is arranged, so that the limited movable connection relation between the piston rod and the pressing platform can be well realized, the pressing platform is pressed on the rack and then cannot receive the acting force of the piston rod, and the acting force on a printed matter is ensured to be applied by the secondary pressing platform.
Furthermore, the through hole at the top end of the connecting cylinder vertically extends upwards to form an extension cylinder, and the extension cylinder is sleeved on the piston rod and is in sliding fit with the piston rod.
The extension cylinder increases the contact area of the piston rod and the connecting cylinder and reduces the stress load.
Furthermore, the top surface of the secondary pressing table is provided with a vertical second guide rod, a through hole is formed in the position corresponding to the connecting plate, the second guide rod penetrates through the through hole and is in sliding fit with the through hole, a restoring spring is sleeved on the second guide rod, and two ends of the restoring spring are fixed to the bottom end of the connecting plate and the top surface of the secondary pressing table respectively.
Set up return spring and second guide bar and can realize that secondary pressure platform has certain buffering to the effort of pressing the platform, further reduce the extra damage to printed matter surface.
Further, a guide sleeve is arranged in the through hole, the height of the guide sleeve is larger than the thickness of the connecting plate, and the second guide rod penetrates through the guide sleeve and is in sliding fit with the guide sleeve.
The technical purpose of the arrangement of the guide sleeve is similar to that of the extension cylinder, the contact area of the guide sleeve and the second guide rod is increased, and the stress load is reduced.
Further, the front end and the rear end of connecting plate are all articulated to be provided with the hinge bar, the hinge bar can be at vertical in-plane rotation, the front end and the rear end of pressing the platform are all articulated to be provided with at least one holding ring, the holding ring slip cap is established the hinge bar, the bottom mounting of hinge bar has the roller frame, the roller frame is installed and is pressed the roller, press the axial direction of rolling the roller and be on a parallel with the moving direction of rack, the inclination of hinge bar is followed the connecting plate position decline increases to this incline direction does the bottom of hinge bar gradually to extend outside the pressing the platform.
Further, when the secondary pressing block is in contact with the pressing platform, a certain gap is formed between the pressing roller and the surface of the rack.
The arrangement of the hinged rod and the pressing and trimming roller realizes the pressing and trimming of the edge of a printed matter, particularly the position where the edge is easily curled, so that the surface of the whole printed matter is smooth.
The invention has the beneficial effects that:
through setting up the pressure platform and secondary platform, realized earlier flattening the printed matter to exert the effort gradually and carried out the pressure, not only ensured the level and smooth on printed matter surface, can not cause the damage to the surface of printed matter simultaneously, improved the quality of follow-up printing, this pre-compaction device can also carry out the pressure to printed matter edge simultaneously, avoids appearing the phenomenon of turn-up, has improved the overall quality of printed matter.
Drawings
FIG. 1 is a schematic front view of a printed product prepressing apparatus;
fig. 2 is a schematic cross-sectional view of the connecting cylinder and piston rod.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples.
Referring to fig. 1-2, in a printing apparatus, especially an elliptical printing machine, a guide rail (not shown) and a plurality of racks 900 mounted on the guide rail are provided, a driving device is provided to drive the racks 900 to move on the guide rail, the racks 900 are parts for bearing printed matters, each rack 900 corresponds to a station, and a prepressing station is a station corresponding to the printed matter prepressing device. The setting of printed matter pre-compaction device, its main objective is in order to solve the problem that the surface unevenness appears in the printed matter. The presswork prepressing device comprises a fixed frame 1, a driving cylinder 2, a flattening platform 3 and two secondary pressing platforms 4, wherein the flattening platform 3 is used as a part for directly flattening presswork loaded by a rack 900, the secondary pressing platforms 4 are used as parts for secondary flattening, act on the top surface of the flattening platform 3, apply acting force to the flattening platform 3, and indirectly flatten the presswork, so that the presswork is not directly flattened by the flattening platform 3 due to the fact that the presswork is partially made of presswork materials, the direct flattening can crush the surface of the partial presswork to cause damage, and accordingly defective products are generated, and the problems can be solved by the cooperation effect of the flattening platform 3 and the secondary pressing platforms 4.
Mount 1 is as the frame that bears of whole printed matter pre-compaction device, and it sets up side of rack 900, the part of mount 1 bears the weight of the part promptly and is located the top of flattening platform 3, and above-mentioned flattening platform 3 then is located the positive top of rack 900, it is in to drive actuating cylinder 2 fixed mounting mount 1, the vertical setting of piston rod 21 that drives actuating cylinder 2 and the bottom is connected the top surface of flattening platform 3, the fixed surface of flattening platform 3 sets up first guide bar 31, the vertical setting of first guide bar 31, rack 900 be provided with two vertical through-holes with first guide bar 31 corresponds, first guide bar 31 pass the through-hole and with through-hole sliding fit. The first guide rod 31 is used as a lifting guide member, so that the lifting of the pressing platform 3 is smoother, and the longitudinal shaking and even dislocation offset of the pressing platform 3 can be reduced. The secondary pressing platform 4 is arranged above the pressing platform 3, and when the driving cylinder 2 drives the pressing platform 3 to press the surface of the rack 900, the secondary pressing platform 4 gradually vertically presses the top surface of the pressing platform 3 and the contact force with the pressing platform 3 is gradually increased.
The piston rod 21 is fixedly sleeved with a connecting plate 5, the connecting plate 5 is horizontally arranged, the secondary pressing platform 4 is installed on the bottom surface of the connecting plate 5, the piston rod 21 is in limited sliding connection with the pressing platform 3, the driving cylinder 2 drives the piston rod 21 to drive the pressing platform 3 to press downwards, and after the pressing platform 3 presses the surface of the rack 900, the piston rod 21 can continuously descend relative to the pressing platform 3 and relieve acting force on the pressing platform 3. Therefore, the piston rod 21 continuously descends to drive the secondary pressing platform 4 to gradually press towards the pressing platform 3, the acting force gradually increases, and the maximum stroke of the driving cylinder 2 is adjusted according to the required acting force according to different materials of printed matters.
The utility model provides a platform for the flattening platform 3 with the limited sliding connection of piston rod 21, the top surface center department of flattening platform 3 is provided with vertical connecting cylinder 32, connecting cylinder 32 cavity sets up and the top is provided with the through-hole to vertical upwards extending in this through-hole department is provided with extension section of thick bamboo 33, connecting cylinder 32 with the coaxial setting of piston rod 21, extension section of thick bamboo 33 cover is established piston rod 21, and with piston rod 21 sliding fit, piston rod 21 stretches into in the connecting cylinder 32, the bottom cover of piston rod 21 is established and is fixed with position circle 22, flattening platform 3 does not press when the rack 900 surface, position circle 22 with the interior terminal surface on connecting cylinder 32 top offsets. Namely, before the pressing platform 3 is not in contact with the rack 900, due to the positioning ring 22, it is abutted against the inner end surface of the top of the connecting cylinder 32, and after the pressing platform 3 is pressed on the rack 900, the piston rod 21 continues to slide downward in the connecting cylinder 32 without moving the pressing platform 3. The extension cylinder 33 is mainly arranged to increase the contact area between the connecting cylinder 32 and the piston rod 21, reduce the stress load, and avoid the problems of deformation and damage of the connecting cylinder 32.
The first guide rod 31 vertically penetrates the connecting plate 5 and is in sliding fit with the connecting plate 5. By this arrangement, the stability of the connection plate 5 can be improved.
Right the secondary presses platform 4, the top surface that the secondary pressed platform 4 was provided with vertical second guide bar 41, the corresponding department of connecting plate 5 is provided with the through-hole, second guide bar 41 passes the through-hole and rather than sliding fit, second guide bar 41 cover is equipped with recovery spring 42, the both ends of recovery spring 42 are fixed respectively the bottom of connecting plate 5 and the top surface that the secondary pressed platform 4, through setting up recovery spring 42 can make the secondary pressed platform 4 is right the effort of pressing whole platform 3 has certain buffering, and this kind of buffering setting makes the effort to the printed matter have transitivity, has reduced the probability that causes the damage to the printed matter.
For the second guide rod 41 and the connecting plate 5, a guide sleeve 43 is arranged in the through hole, the height of the guide sleeve 43 is larger than the thickness of the connecting plate 5, the second guide rod 41 penetrates through the guide sleeve 43 and is in sliding fit with the guide sleeve 43, the contact area of the second guide rod 41 and the connecting plate 5 is increased through the guide sleeve 43, and the stress load of the second guide rod 41 is reduced.
The front end and the rear end of connecting plate 5 all articulate and are provided with articulated rod 51, articulated rod 51 can rotate in vertical plane, the front end and the rear end of pressing platform 3 all articulate and are provided with at least one holding ring 52, the holding ring 52 slides the cover and establishes articulated rod 51, the bottom mounting of articulated rod 51 has roller frame 53, roller frame 53 installs and presses whole roller 54, press whole roller 54's axial direction to be on a parallel with the moving direction of rack 900, the slope degree of articulated rod 51 is followed connecting plate 5 position decline increases to this incline direction does the bottom of articulated rod 51 gradually to extend outside pressing platform 3.
Set up articulated rod 51, holding ring 52 and pressure roller 54 for along with the decline of piston rod 21, two pressure rollers 54 respectively towards the surface of printed matter is rolled over to the front portion of rack 900 and rear portion pressure, flattens the printed matter surface on the one hand, and on the other hand can be to the phenomenon appearance that the turn-up was avoided in the presswork edge pressure. When the secondary pressing block is in contact with the pressing platform 3, a certain gap is formed between the pressing roller 54 and the surface of the rack 900, and the descending height of the piston rod 21 can be adjusted according to the actual size of a printed matter, namely the actual acting areas of the two pressing rollers 54 are adjusted.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a presswork pre-compaction device, its characterized in that presses the platform including driving actuating cylinder, pressure and puts up, is provided with the guide rail and installs a plurality of racks at the guide rail, press the platform to be located the rack top, the piston rod that drives actuating cylinder is vertical to be set up and the bottom is connected press the top surface of platform, the secondary is pressed the platform and is put up press the platform top, it orders about to drive actuating cylinder press the platform when the rack surface, the secondary press the platform vertical press gradually to press the top surface of platform and with press the contact force of platform and increase gradually.
2. The presswork preloading device of claim 1, wherein a fixing frame is provided at a side of the rack, a portion of the fixing frame is located above the leveling platform, the driving cylinder is fixedly mounted on the fixing frame, at least two vertical first guide rods are fixedly provided on a surface of the leveling platform, the rack is provided with at least two vertical through holes, and the first guide rods pass through the through holes and are in sliding fit with the through holes.
3. The presswork prepressing device according to claim 2, wherein the piston rod fixing sleeve is provided with a connecting plate, the connecting plate is horizontally arranged, the secondary pressing platform is installed on the bottom surface of the connecting plate, the piston rod is in limited sliding connection with the pressing platform, the driving cylinder drives the piston rod to drive the pressing platform to press downwards, and after the pressing platform presses the surface of the rack, the piston rod can continuously descend relative to the pressing platform and release the acting force on the pressing platform.
4. The printed matter prepressing apparatus according to claim 3, wherein the first guide bar vertically penetrates the connecting plate and is slidably engaged with the connecting plate.
5. The presswork pre-pressing device according to claim 4, wherein a vertical connecting cylinder is arranged at the center of the top surface of the pressing platform, the connecting cylinder is hollow, a through hole is formed in the top end of the connecting cylinder, the connecting cylinder and the piston rod are coaxially arranged, the piston rod extends into the connecting cylinder from the through hole in the top end of the connecting cylinder and is in sliding fit with the connecting cylinder, a positioning ring is fixedly sleeved on the bottom end of the piston rod, and when the pressing platform is not pressed on the surface of the rack, the positioning ring abuts against the inner end surface of the top end of the connecting cylinder.
6. The presswork prepressing device according to claim 5, wherein an extension cylinder is vertically and upwardly extended from a through hole at the top end of the connecting cylinder, and the extension cylinder is sleeved on the piston rod and is in sliding fit with the piston rod.
7. The presswork prepressing device according to claim 3, wherein a vertical second guide rod is arranged on the top surface of the secondary pressing table, a through hole is arranged at a position corresponding to the connecting plate, the second guide rod penetrates through the through hole and is in sliding fit with the through hole, a restoring spring is sleeved on the second guide rod, and two ends of the restoring spring are respectively fixed on the bottom end of the connecting plate and the top surface of the secondary pressing table.
8. The printed matter prepressing apparatus according to claim 7, wherein a guide sleeve is provided in the through hole, the height of the guide sleeve is greater than the thickness of the connecting plate, and the second guide rod is passed through by the guide sleeve and slidably engaged therewith.
9. The printed matter prepressing device according to claim 3, wherein the front end and the rear end of the connecting plate are hinged with hinged rods, the hinged rods can rotate in a vertical plane, the front end and the rear end of the pressing platform are hinged with at least one positioning ring, the positioning ring is slidably sleeved on the hinged rods, a roller frame is fixed at the bottom end of each hinged rod, a pressing roller is mounted on the roller frame, the axial direction of the pressing roller is parallel to the moving direction of the rack, the inclination degree of each hinged rod is increased along with the descending of the position of the connecting plate, and the inclination direction is that the bottom end of each hinged rod gradually extends out of the pressing platform.
10. The printed matter prepressing device according to claim 9, wherein when the secondary pressing block contacts the pressing platform, the pressing roller has a certain clearance with the surface of the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165030.7A CN110962444A (en) | 2019-11-25 | 2019-11-25 | Presswork pre-pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165030.7A CN110962444A (en) | 2019-11-25 | 2019-11-25 | Presswork pre-pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110962444A true CN110962444A (en) | 2020-04-07 |
Family
ID=70031442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911165030.7A Pending CN110962444A (en) | 2019-11-25 | 2019-11-25 | Presswork pre-pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110962444A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157986A (en) * | 2020-10-15 | 2021-01-01 | 温州雪榕机械科技有限公司 | Sliding support device for printing structure of printing machine |
-
2019
- 2019-11-25 CN CN201911165030.7A patent/CN110962444A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157986A (en) * | 2020-10-15 | 2021-01-01 | 温州雪榕机械科技有限公司 | Sliding support device for printing structure of printing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113135024B (en) | Yoga mat printing equipment for sports | |
| CN110962444A (en) | Presswork pre-pressing device | |
| CN212313026U (en) | Presswork pre-pressing device | |
| CN112743030B (en) | Equipment for riveting battery cover plate | |
| CN205767967U (en) | A kind of novel imprinting apparatus | |
| CN114347639B (en) | Curved glass printing method | |
| CN210113111U (en) | Compression roller device for avoiding paper entering of printing machine | |
| CN114527010B (en) | Anti-bending strength detection device for cold-rolled stainless steel strip | |
| CN212611842U (en) | Prefabricated type plastic course coiled material is spread and is pasted side and push away deviation correcting device | |
| CN210596115U (en) | Rolling character pressing mechanism | |
| CN211388063U (en) | Plate edge polishing device | |
| CN113263076A (en) | Aluminum plate surface embossing machine | |
| CN114347638B (en) | Curved surface glass printing machine | |
| CN216609215U (en) | Prevent cross cutting machine of excursion | |
| CN215397136U (en) | Hydraulic cushion stroke control device of hydraulic drawing press | |
| CN215435288U (en) | Paperboard embossing device | |
| CN216733500U (en) | Continuous gold stamping and stamping integrated machine | |
| CN216783161U (en) | Indentation machine | |
| CN210617556U (en) | Horizontal intaglio printing device of broad width | |
| CN214133494U (en) | Stamping structure capable of quickly adjusting plate position | |
| CN218640445U (en) | Color printing device for woven bag processing | |
| CN218798208U (en) | Induction heating rolling device | |
| CN212419284U (en) | Six-station punching machine convenient for supporting section steel | |
| CN213258628U (en) | Wood board processing edge grinding machine with adjustable thickness | |
| CN220316183U (en) | Cold-rolled sheet conveying line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |