CN213413261U

CN213413261U - Double-sided printer

Info

Publication number: CN213413261U
Application number: CN202022008006.7U
Authority: CN
Inventors: 颜红英
Original assignee: Shenzhen 678 Automation Equipment Co ltd
Current assignee: Shenzhen 678 Automation Equipment Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-06-11
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a two-sided inker, including the frame with locate feed mechanism in the frame, change material mechanism, rotary mechanism and printing mechanism, wherein: the feeding mechanism comprises a bottom plate and a material seat arranged on the bottom plate, wherein a plurality of clamping stations for placing materials are arranged on the material seat, and the plurality of clamping stations are arranged along the feeding direction of the materials; the material transferring mechanism is positioned on one side of the feeding mechanism and comprises a plurality of material clamping jaws used for transferring the material on the previous clamping station to the next clamping station, and the material clamping jaws are arranged along the feeding direction of the material; the rotating mechanism is positioned on the other side of the feeding mechanism and is positioned on the opposite side of the material rotating mechanism, the rotating mechanism comprises a rotating clamping jaw for clamping and driving the material to rotate, and the rotating clamping jaw is positioned on one side of a clamping station at the tail end of the plurality of clamping stations extending along the feeding direction of the material; the printing mechanism is located the top of feed mechanism, and the printing mechanism includes a plurality of reprint printer heads that are used for carrying out the printing to the material on the clamping station.

Description

Double-sided printer

Technical Field

The utility model relates to a inker field, in particular to two-sided inker.

Background

The printer is a device for printing characters/patterns on the surface of a product by using ink, and the characters/patterns printed on the surface of the product can be a manufacturer, a production date, a pattern mark and the like so as to display product information on the product. In the prior art, a common printer is usually adopted, a penholder is manually held and placed on a positioning jig of the printer, one surface is printed, and then the penholder is rotated 180 degrees to print the other surface, so that the angle is not accurate, and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a two-sided inker aims at solving the low and poor technical problem of product quality of work efficiency that current artifical printing mode exists.

In order to achieve the above object, the utility model provides a double-sided printer, this double-sided printer include the frame and locate feed mechanism in the frame, change material mechanism, rotary mechanism and printing mechanism, wherein: the feeding mechanism comprises a bottom plate and a material seat arranged on the bottom plate, wherein a plurality of clamping stations for placing materials are arranged on the material seat, and the plurality of clamping stations are arranged along the feeding direction of the materials; the material transferring mechanism is positioned on one side of the feeding mechanism and comprises a plurality of material clamping jaws used for transferring a material on a previous clamping station to a next clamping station, and the material clamping jaws are arranged along the feeding direction of the material; the rotating mechanism is positioned on the other side of the feeding mechanism and is positioned on the opposite side of the material rotating mechanism, the rotating mechanism comprises a rotating clamping jaw for clamping and driving the material to rotate, and the rotating clamping jaw is positioned on one side of a clamping station at the tail end of the plurality of clamping stations extending along the feeding direction of the material; the printing mechanism is positioned above the feeding mechanism and comprises a plurality of printing heads for printing materials on the clamping station.

Preferably, feed mechanism still includes a plurality of locate material seat one side, be used for compressing tightly press the subassembly that compresses tightly of the material on the tight station of clamp, it includes the cylinder mounting panel and locates to compress tightly the cylinder on the cylinder mounting panel, the output that compresses tightly the cylinder is connected with the pressure head.

Preferably, the feed mechanism further comprises a first adjusting assembly for adjusting the width of the material seat, the first adjusting assembly comprises a first linear module arranged on the bottom plate and a transmission plate connected with a sliding block of the first linear module, and the transmission plate is connected with one side of the material seat.

Preferably, change material mechanism still include the backup pad and locate loading board in the backup pad, be equipped with on the loading board and be used for the drive the second sharp module that the material clamping jaw removed along the horizontal direction, be connected with on the slider of second sharp module and be used for the drive the material clamping jaw removes along vertical direction's lift cylinder, the output of lift cylinder is connected with and is used for installing a plurality ofly the clamping jaw mounting panel of material clamping jaw.

Preferably, the material transferring mechanism further comprises a second adjusting component for adjusting the height of the bearing plate, the second adjusting component comprises a horizontal rotating rod arranged below the supporting plate and a vertical rotating rod rotatably connected with the horizontal rotating rod, and the vertical rotating rod penetrates through the supporting plate and is connected with the bottom of the bearing plate.

Preferably, the rotating mechanism further comprises a supporting seat, a bearing seat is arranged on the supporting seat, a rotating shaft is arranged on the bearing seat, and one end of the rotating shaft is connected with the rotating clamping jaw; the rotary clamping jaw comprises a shell sleeved on the rotary shaft, a plurality of clamping parts arranged along the circumferential direction of the shell and a push plate used for pushing the shell to move along the direction perpendicular to the feeding direction of the materials.

Preferably, the printing mechanism further comprises a printing head mounting seat for mounting the printing head, a first vertical cylinder is connected to the printing head mounting seat, the first vertical cylinder is arranged on the sliding seat, and a horizontal cylinder is connected to the sliding seat.

Preferably, the lettering mechanism further comprises an oil basin for containing ink, a lettering template is placed in the oil basin, a plurality of scrapers for scraping the lettering template are arranged above the oil basin, the scrapers are arranged on the scraper mounting seat, a second vertical cylinder is connected to the scraper mounting seat, and the second vertical cylinder is arranged on the sliding seat.

Preferably, the double-sided printer further comprises an adhesive tape mechanism for cleaning the printing head, the adhesive tape mechanism is located on one side of the printing mechanism, and the adhesive tape mechanism comprises a mounting base plate, a third linear module arranged on the mounting base plate, and an adhesive tape winding assembly connected with a slide block of the third linear module; the adhesive tape winding assembly comprises an adhesive tape mounting seat arranged on the sliding block, an adhesive tape rotating shaft used for placing clean adhesive tape is arranged on the adhesive tape mounting seat, an adhesive tape winding shaft used for winding waste adhesive tape is arranged below the adhesive tape rotating shaft, and guide shafts used for winding the adhesive tape are respectively arranged at the head end and the tail end of the adhesive tape mounting seat.

Preferably, the double-sided printer further comprises an automatic blanking mechanism butted with the feeding mechanism, the automatic blanking mechanism is located at the tail end of the feeding mechanism, and the automatic blanking mechanism comprises a synchronous pulley component used for conveying materials and a blanking hopper arranged at the tail end of the synchronous pulley component.

Compared with the prior art, the utility model discloses beneficial technological effect lies in:

the double-sided printer provided by the embodiment of the utility model firstly puts the materials on the clamping stations of the feeding mechanism by manpower or a feeding machine, and then transfers the materials on each clamping station along the feeding direction by the material transferring mechanism, namely transfers the materials on the previous clamping station to the next clamping station; after the materials are transferred to the position below the transfer printing head, the materials are vertically moved downwards by the transfer printing head so as to print characters on the materials below the transfer printing head; when the transfer printing head prints characters on the material, the material on the clamping station at the head end is transferred to the next clamping station, so that the clamping station at the head end is loaded while the transfer printing head prints the characters; after one-time printing is finished, the materials on the clamping station are transferred along the feeding direction by the material transferring mechanism, at the moment, the materials which are printed once are transferred to the clamping station where the rotating mechanism is located, so that the rotating mechanism rotates the materials for 180 degrees, then the materials on the clamping station are printed by the pad printing head, and the cycle is repeated, so that double-sided automatic printing of the materials is realized.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the double-sided printer of the present invention;

FIG. 2 is a schematic structural view of the unassembled automatic blanking mechanism of the double-sided printer shown in FIG. 1;

FIG. 3 is a schematic structural view of a feeding mechanism and a rotating mechanism of the double-sided printer of the present invention;

fig. 4 is a schematic structural view of the material transferring mechanism of the double-sided printer of the present invention at a viewing angle;

FIG. 5 is a schematic structural view of the material transferring mechanism of the double-sided printer of the present invention at another viewing angle;

fig. 6 is a schematic structural view of a rotating mechanism of the double-sided printer according to the present invention at a viewing angle;

FIG. 7 is a schematic structural view of the rotating mechanism of the double-sided printer according to another view angle;

FIG. 8 is a schematic structural view of a printing mechanism of the double-sided printer of the present invention;

FIG. 9 is a schematic front view of the printing mechanism of FIG. 8 without the oil pan;

FIG. 10 is a schematic view of the rear side of the printing mechanism of FIG. 8 without the oil pan;

FIG. 11 is a schematic view of the oil pan of the printing mechanism shown in FIG. 8;

fig. 12 is a schematic structural view of the gummed paper mechanism of the double-sided printer of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

The utility model provides a two-sided inker, in an embodiment, see fig. 1, this two-sided inker includes frame 10 and locates feed mechanism 20, the mechanism of transferring 30, rotary mechanism 40 and printing mechanism 50 on frame 10, wherein: the feeding mechanism 20 comprises a bottom plate 21 and a material seat 22 arranged on the bottom plate 21, wherein a plurality of clamping stations for placing materials are arranged on the material seat 22, and the plurality of clamping stations are arranged along the feeding direction of the materials; the material transferring mechanism 30 is located at one side of the feeding mechanism 20, the material transferring mechanism 30 comprises a plurality of material clamping jaws 31 for transferring the material on the previous clamping station to the next clamping station, and the plurality of material clamping jaws 31 are arranged along the feeding direction of the material; the rotating mechanism 40 is positioned on the other side of the feeding mechanism 20 and on the opposite side of the material transferring mechanism 30, the rotating mechanism 40 comprises a rotating clamping jaw 41 for clamping and driving the material to rotate, and the rotating clamping jaw 41 is positioned on one side of a clamping station at the tail end of the plurality of clamping stations extending along the feeding direction of the material; the printing mechanism 50 is located above the feeding mechanism 20, and the printing mechanism 50 includes a plurality of pad printing heads 51 for printing the material on the clamping station.

The embodiment of the utility model provides a feed mechanism 20's that provides main action lies in putting the material, and the material is put on feed mechanism 20 through artifical or material loading machine, puts the material on feed mechanism 20 and shifts through commentaries on classics feed mechanism 30 again to supply printing mechanism 50 to carry out the printing to the material that is located its below. The material seat 22 is composed of two oppositely arranged support frames, a plurality of clamping stations for placing materials are arranged between the two support frames, and the clamping stations are spaced at preset distances in the feeding direction of the materials. The embodiment of the present invention provides a duplex printer specifically for use in cosmetic pencil printing, but of course can be other types of pens, such as pencils, ball pens, writing brushes, etc., including but not limited to these. When the material of required printing is the pen, press from both sides tight station promptly and locate the recess on two support frames, place respectively in two recesses of relative arrangement at the both ends of pen-holder, the rethread clamp assembly will be arranged in the material of recess and compress tightly can to guarantee to move printer head 51 and can not take place to remove when carrying out the printing to the material. It should be noted that the embodiment of the present invention provides a double-sided printer, which can not only print on pen products, but also print on other types of products, and only needs to adjust the structure of the clamping station.

The embodiment of the utility model provides a change material mechanism 30's main effect and lie in shifting the material on the feed mechanism 20 from the preceding tight station of clamp to the tight station of the next clamp, the material is put to the first tight station of clamp after, shifts it from the first tight station of clamp to the tight station of second clamp by the material clamping jaw 31 of transferring material mechanism 30 earlier, and after the material reachd the tight station of second clamp, the bat print head 51 alright move down this moment in order to press from both sides the material on the station to the second and carry out the printing. After the printing is finished, the printed materials and the materials fed again on the first clamping station are transferred through the material clamping jaw 31, so that the printed materials on the second clamping station are transferred to the third clamping station, the materials which are not printed on the first clamping station are transferred to the second clamping station, the materials on the second clamping station and the third clamping station are printed at the same time through the pad printing head 51, after the printing is finished, the materials are transferred through the material clamping jaw 31, so that the double-sided printed materials on the third clamping station are transferred to the blanking position, the single-sided printed materials on the second clamping station are transferred to the third clamping station, and the materials which are not printed on the first clamping station are fed again are transferred to the second clamping station. It should be noted that, the structural design of the three clamping stations is only a preferred embodiment of the present invention, including but not limited to this, and those skilled in the art can design the number of the clamping stations differently according to actual situations, as long as the double-sided printing of the material can be realized. Meanwhile, the first, second and third sequences described by the first clamping station, the second clamping station and the third clamping station are defined according to the feeding sequence of the materials.

The embodiment of the utility model provides a rotary mechanism 40's main function lies in rotatory material to supply pad printing head 51 to realize the two-sided printing to the material. The rotating mechanism 40 is located at the position of the third clamping station and comprises a rotating clamping jaw 41 capable of clamping and driving the material to rotate 180 degrees, after the material is transferred to the third clamping station, the rotating clamping jaw 41 can move along the direction close to the material so as to insert the penholder through an insertion hole in the rotating clamping jaw 41, after the penholder is inserted, the rotating clamping jaw 41 is clamped on the circumferential side face of the penholder and then drives the penholder to rotate 180 degrees, and therefore the end face of the penholder, which is not printed, faces the printing head.

The embodiment of the utility model provides a printing mechanism 50's main function lies in carrying out the printing to the material, and printing mechanism 50 mainly includes printing ink pad 51, carries out the printing to the material after also adding printing ink by pad 51. It should be noted that, when the pad 51 prints on the material, it needs to contact with the printing template first, the printing template is permeated with ink and has characters/patterns to be printed, and after the pad 51 contacts with the printing template, it moves downward along the vertical direction to print on the material.

In an embodiment, the embodiment of the present invention provides a feeding mechanism 20 further including a plurality of compressing assemblies disposed on one side of the material seat 22 and used for compressing the material on the clamping station, the compressing assemblies include the cylinder mounting plate 231 and the compressing cylinder 232 disposed on the cylinder mounting plate 231, and the output end of the compressing cylinder 232 is connected with the pressure head 233. In this embodiment, before the pad printing head 51 prints characters on the material on the clamping station, the material needs to be pressed tightly by the pressing component, so as to prevent the material from moving when the pad printing head 51 prints characters on the material, and thus the characters printed on the material are fuzzy or misplaced. Specifically, after the material is carried to the clamping station, the pressure head 233 is driven by the pressure cylinder 232 to move towards the direction close to the material, when the pressure head 233 moves, the pressure head 233 is abutted to one end of the material, and then the pressure head 233 exerts pressure on the material during the continuous movement process, so that the material is pressed between the material seats 22.

In another embodiment, the feeding mechanism 20 provided by the embodiment of the present invention further includes a first adjusting component 24 for adjusting the width of the material seat 22, the first adjusting component 24 includes a first linear module 241 disposed on the bottom plate 21 and a driving plate 242 connected to the slider of the first linear module 241, and the driving plate 242 is connected to one side of the material seat 22. In this embodiment, the first linear module 241 is disposed on the bottom plate 21, and the first linear module 241 can be driven by an external force to drive one side of the material seat 22 to move in a direction close to or away from the opposite side. As preferred, the embodiment of the present invention provides a first linear module 241 includes two spaced arrangements of the semi-open linear guide on the bottom plate 21 and locates the semi-open linear slider on the semi-open linear guide, the driving plate 242 is then striden and located on the semi-open linear slider to drive the driving plate 242 through the semi-open linear slider and make linear motion on the semi-open linear guide.

In another embodiment, the material transferring mechanism 30 provided by the embodiment of the present invention further includes a supporting plate 32 and a loading plate 33 disposed on the supporting plate 32, the loading plate 33 is provided with a second linear module 34 for driving the material clamping jaw 31 to move along the horizontal direction, a lifting cylinder 35 for driving the material clamping jaw 31 to move along the vertical direction is connected to a slider of the second linear module 34, and an output end of the lifting cylinder 35 is connected to a clamping jaw mounting plate 36 for mounting the plurality of material clamping jaws 31. In this embodiment, the material transferring mechanism 30 is located between the feeding mechanism 20 and the printing mechanism 50, and the material on the feeding mechanism 20 is transferred from a previous clamping station to a next clamping station through the material transferring mechanism 30, so that the printing mechanism 50 prints characters on the material. The material transferring mechanism 30 comprises a plurality of material clamping jaws 31 arranged along the feeding direction of the material, and the plurality of material clamping jaws 31 can move along the feeding direction of the material under the driving of the second linear module 34 so as to transfer the material on each clamping station. In the process of material transfer, the material clamping jaw 31 needs to be driven by the lifting cylinder 35 to move up and down along the vertical direction so as to take the material off the clamping station or place the material on the clamping station.

In another embodiment, the material transferring mechanism 30 provided by the embodiment of the present invention further includes a second adjusting component 37 for adjusting the height of the loading plate 33, the second adjusting component 37 includes a horizontal rotating rod 371 disposed below the supporting plate 32 and a vertical rotating rod 372 rotatably connected to the horizontal rotating rod 371, and the vertical rotating rod 372 penetrates through the supporting plate 32 and is connected to the bottom of the loading plate 33. In this embodiment, the purpose of adjusting the height of the bearing plate 33 can be achieved by rotating the horizontal rotating rod 371, specifically, the horizontal rotating rod 371 rotates under the action of external force, the horizontal rotating rod 371 rotates to drive the vertical rotating rod 372 to rotate, and the horizontal rotating rod 371 and the vertical rotating rod 372 can be driven by a gear, including but not limited to this, and the technicians in the field can select the height according to actual conditions. The vertical rotating rod 372 is a screw rod, and comprises a screw rod penetrating through the support plate 32 and connected with the bottom of the support plate 32 and a nut sleeved on the screw rod, so that the bearing plate 33 is driven to move in the vertical direction through the screw rod nut.

In another embodiment, the rotating mechanism 40 provided in the embodiment of the present invention further includes a supporting seat 42, a bearing seat 43 is disposed on the supporting seat 42, a rotating shaft 44 is disposed on the bearing seat 43, and one end of the rotating shaft 44 is connected to the rotating clamping jaw 41; the rotating gripper 41 includes a housing 411 sleeved on the rotating shaft 44, a plurality of clamping portions 412 circumferentially arranged along the housing 411, and a pushing plate 413 for pushing the housing 411 to move along a direction perpendicular to the feeding direction of the material. In this embodiment, the bearing seat 43 is provided with a rotating shaft 44, the rotating shaft 44 is provided with a gear, a rack is meshed below the gear, the rack can move under the action of an air cylinder or a motor, so that the rack drives the gear to rotate, the gear rotates to drive the rotating shaft 44 to rotate, and the rotating shaft 44 rotates to drive the rotating clamping jaw 41 to rotate. The rotating clamping jaw 41 comprises a shell 411, a plurality of clamping portions 412 and a push plate 413 for pushing the shell 411, the push plate 413 can move along the feeding direction vertical to the material under the action of an air cylinder or a motor, and when the push plate 413 moves along the direction close to the material, the push plate 413 can drive the plurality of clamping portions to contract so as to clamp the circumferential side face of the material. When the push plate 413 moves in a direction away from the material, the push plate 413 drives the plurality of clamping portions 412 to open, so that the material clamped by the rotating clamping jaws 41 is released, and the material clamping jaws 31 transfer the material to the blanking position.

In another embodiment, the printing mechanism 50 of the present invention further includes a print head mounting seat 52 for mounting the print head 51, the print head mounting seat 52 is connected with a first vertical cylinder 53, the first vertical cylinder 53 is disposed on a sliding seat 54, and the sliding seat 54 is connected with a horizontal cylinder 55. In this embodiment, the horizontal cylinder 55 can drive the pad printing head 51 to move close to or away from the material in the horizontal direction, and after the pad printing head 51 reaches the material, the first vertical cylinder 53 drives the pad printing head 51 to move downwards along the vertical direction, so that the pad printing head 51 contacts with the surface of the material, thereby achieving the purpose of printing characters on the material.

In still another embodiment, the printing mechanism 50 provided by the embodiment of the present invention further includes an oil pan 56 for containing ink, a printing template 57 is placed in the oil pan 56, a plurality of scrapers 58 for scraping oil from the printing template 57 are disposed above the oil pan 56, the scrapers 58 are disposed on a scraper mounting seat 59, the scraper mounting seat 59 is connected with a second vertical cylinder 5A, and the second vertical cylinder 5A is disposed on the sliding seat 54. In this embodiment, the oil pan 56 contains printing ink and a printing template 57 for printing, the printing template 57 has recessed characters or patterns, ink is infiltrated into the recessed characters or patterns, and the scraper 58 scrapes oil on the surface of the printing template 57, which has two functions: firstly, ink is uniformly coated in the concave characters or patterns, so that the characters printed on the surface of the material by the transfer printing head 51 are clearer; second, excess ink on the surface of the printing template 57 is scraped off into the oil pan 56 to recycle the ink. Before the pad printing head 51 is contacted with the stencil each time, the scraper 58 is driven by the second vertical cylinder 5A to move downward, and the scraper 58 is driven by the horizontal cylinder 55 to move in the horizontal direction, so as to oil-scrape the printing stencil 57 in the oil pan 56.

In another embodiment, the double-sided printer provided by the embodiment of the present invention further includes an adhesive tape mechanism 60 for cleaning the pad printing head 51, the adhesive tape mechanism 60 is located at one side of the printing mechanism 50, the adhesive tape mechanism 60 includes a mounting base plate 61, a third linear module 62 disposed on the mounting base plate 61, and an adhesive tape winding assembly connected to a slider of the third linear module 62; the adhesive tape winding assembly comprises an adhesive tape mounting seat 631 arranged on the sliding block, an adhesive tape rotating shaft 632 used for placing clean adhesive tape is arranged on the adhesive tape mounting seat 631, an adhesive tape winding shaft 633 used for winding waste adhesive tape is arranged below the adhesive tape rotating shaft 632, and the head end and the tail end of the adhesive tape mounting seat 631 are respectively provided with a guide shaft 634 used for winding the adhesive tape. In this embodiment, the pad printing head 51 needs to be cleaned after being used for a period of time to avoid unclear writing printed on the surface of the material. After printing for a period of time, the third linear module 62 drives the adhesive tape winding assembly to move towards the direction close to the printing mechanism 50, and after the adhesive tape winding assembly reaches the preset position, the pad printing head 51 moves downwards to contact with clean adhesive tape, so that the purpose of cleaning the pad printing head 51 is achieved. After the glue paper is cleaned once at the same position, the motor rotates to pull the glue paper to move, so as to wind the used waste glue paper on the glue paper reel 633, and the clean glue paper can be pulled off a section from the glue paper rotating shaft 632 for cleaning the pad printing head 51.

In still another embodiment, the present invention provides a double-sided printer further including an automatic blanking mechanism 70 abutting against the feeding mechanism 20, the automatic blanking mechanism 70 is located at the end of the feeding mechanism 20, and the automatic blanking mechanism 70 includes a synchronous pulley assembly 71 for conveying materials and a lower hopper 72 disposed at the end of the synchronous pulley assembly 71. In this embodiment, the double-sided printing material on the clamping station is transferred from the clamping station to the synchronous belt through the material clamping jaw 31, and then is conveyed to the discharging hopper 72 at the tail end of the synchronous belt through the synchronous belt. The embodiment of the utility model provides a hold-in range is synchronous tooth area to it is fixed with the material through the tooth structure, of course, can also be the anchor clamps that set up to be used for fixed material on the hold-in range, and the skilled person in the art can select according to actual conditions.

What just go up be the utility model discloses a part or preferred embodiment, no matter be characters or the drawing can not consequently restrict the utility model discloses the scope of protection, all with the utility model discloses a holistic thought down, utilize the equivalent structure transform that the contents of the description and the drawing do, or direct/indirect application all includes in other relevant technical field the utility model discloses the within range of protection.

Claims

1. The utility model provides a two-sided inker, its characterized in that includes the frame and locates feed mechanism in the frame, change material mechanism, rotary mechanism and printing mechanism, wherein:

the feeding mechanism comprises a bottom plate and a material seat arranged on the bottom plate, wherein a plurality of clamping stations for placing materials are arranged on the material seat, and the plurality of clamping stations are arranged along the feeding direction of the materials;

the material transferring mechanism is positioned on one side of the feeding mechanism and comprises a plurality of material clamping jaws used for transferring a material on a previous clamping station to a next clamping station, and the material clamping jaws are arranged along the feeding direction of the material;

the rotating mechanism is positioned on the other side of the feeding mechanism and is positioned on the opposite side of the material rotating mechanism, the rotating mechanism comprises a rotating clamping jaw for clamping and driving the material to rotate, and the rotating clamping jaw is positioned on one side of a clamping station at the tail end of the plurality of clamping stations extending along the feeding direction of the material;

the printing mechanism is positioned above the feeding mechanism and comprises a plurality of printing heads for printing materials on the clamping station.

2. The double-sided printer according to claim 1, wherein the feeding mechanism further comprises a plurality of pressing assemblies arranged on one side of the material seat and used for pressing the materials on the clamping stations, each pressing assembly comprises a cylinder mounting plate and a pressing cylinder arranged on the cylinder mounting plate, and an output end of each pressing cylinder is connected with a pressing head.

3. The double-sided printer according to claim 2, wherein the feeding mechanism further comprises a first adjusting assembly for adjusting the width of the material seat, the first adjusting assembly comprises a first linear module arranged on the bottom plate and a driving plate connected with a sliding block of the first linear module, and the driving plate is connected with one side of the material seat.

4. The double-sided printer according to claim 1, wherein the material transferring mechanism further comprises a supporting plate and a bearing plate arranged on the supporting plate, a second linear module for driving the material clamping jaws to move in the horizontal direction is arranged on the bearing plate, a lifting cylinder for driving the material clamping jaws to move in the vertical direction is connected to a sliding block of the second linear module, and a clamping jaw mounting plate for mounting a plurality of the material clamping jaws is connected to an output end of the lifting cylinder.

5. The double-sided printer according to claim 4, wherein the material transferring mechanism further comprises a second adjusting component for adjusting the height of the bearing plate, the second adjusting component comprises a horizontal rotating rod arranged below the supporting plate and a vertical rotating rod rotatably connected with the horizontal rotating rod, and the vertical rotating rod penetrates through the supporting plate and is connected with the bottom of the bearing plate.

6. The double-sided printer according to claim 1, wherein the rotating mechanism further comprises a support base, a bearing seat is provided on the support base, a rotating shaft is provided on the bearing seat, and one end of the rotating shaft is connected to the rotating clamping jaw; the rotary clamping jaw comprises a shell, a plurality of clamping parts and a push plate, wherein the shell is sleeved on the rotary shaft, the clamping parts are circumferentially arranged on the shell, and the push plate is used for pushing the shell to move along the vertical feeding direction of the materials.

7. The double-sided printer according to claim 1, wherein the printing mechanism further comprises a print head mounting base for mounting the print head, the print head mounting base having a first vertical cylinder attached thereto, the first vertical cylinder being disposed on a slide base having a horizontal cylinder attached thereto.

8. The double-sided printer according to claim 7, wherein the printing mechanism further comprises a basin for holding ink, the printing stencil is placed in the basin, a plurality of scrapers for scraping the printing stencil are provided above the basin, the scrapers are provided on a scraper mounting base, a second vertical cylinder is connected to the scraper mounting base, and the second vertical cylinder is provided on the carriage.

9. The double-sided printer according to claim 1, further comprising a glue mechanism for cleaning the pad printing head, the glue mechanism being located at one side of the printing mechanism, the glue mechanism comprising a mounting base plate, a third linear module disposed on the mounting base plate, and a glue winding assembly connected to a slider of the third linear module;

the adhesive tape winding assembly comprises an adhesive tape mounting seat arranged on the sliding block, an adhesive tape rotating shaft used for placing clean adhesive tape is arranged on the adhesive tape mounting seat, an adhesive tape winding shaft used for winding waste adhesive tape is arranged below the adhesive tape rotating shaft, and guide shafts used for winding the adhesive tape are respectively arranged at the head end and the tail end of the adhesive tape mounting seat.

10. The double-sided printer according to claim 1, further comprising an automatic blanking mechanism abutting against the feeding mechanism, wherein the automatic blanking mechanism is located at the end of the feeding mechanism, and the automatic blanking mechanism comprises a synchronous pulley assembly for conveying materials and a blanking hopper arranged at the end of the synchronous pulley assembly.