CN111251704A

CN111251704A - Oval automatic printing machine

Info

Publication number: CN111251704A
Application number: CN202010117738.1A
Authority: CN
Inventors: 陈冰川; 唐志和; 万家洪
Original assignee: Dongguan Weiguan Apparel Technology Co ltd
Current assignee: Dongguan Weiguan Apparel Technology Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-06-09
Anticipated expiration: 2040-02-25
Also published as: CN111251704B

Abstract

The invention relates to the technical field of printing machines, in particular to an elliptical automatic printing machine, which comprises a rack, a main transmission system and a printing device, wherein a beam arm is arranged on the rack; the printing device comprises a scraper and a screen printing plate, wherein the scraper is arranged on a beam arm, a longitudinal driving mechanism for driving the scraper to move up and down on the screen printing plate is arranged on the beam arm, and a transverse driving mechanism for driving the scraper to move back and forth on the upper surface of the screen printing plate is arranged on the beam arm; the main transmission system comprises an annular rail and a printing table plate, the annular rail is installed on the rack, the printing table plate is connected with the annular rail in a sliding mode through a transmission assembly, and the printing table plate is located below the screen printing plate when passing through the printing device. The invention has the effects of uniform printing and firm coloring of the pigment during printing.

Description

Oval automatic printing machine

Technical Field

The invention relates to the technical field of printing machines, in particular to an elliptical automatic printing machine.

Background

At present, clothes in markets have various patterns to increase the aesthetic feeling of the clothes. And the decorative pattern on the clothes is mostly printed through the printing equipment, and the calico printing machine is applicable to multiple material stamp, through the repacking, the range of application of calico printing machine is more extensive, no longer is limited to the paper printing, can also print the cloth.

In the existing automatic printing machine, a cloth of a garment is placed on a table top of a printing table board, the printing table board is manually placed below a screen printing plate, then the screen printing plate with pigment is contacted with the cloth, and the pigment is printed on the cloth through the screen printing plate to form a pattern by moving a scraper.

The above prior art solutions have the following drawbacks: because pigment and cloth need can guarantee the effect of stamp comparatively firmly in the contact for the colour of printing and dyeing on the cloth is printed evenly, be difficult for the color fading, and current calico printing machine often when printing, the scraper pigment can not distribute on the half tone evenly when scraping the half tone, leads to the stamp to appear missing printing, the phenomenon of painted inhomogeneous, the insecure of colouring.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an elliptical automatic printing machine which has the functions of uniform printing and firm coloring of pigment during printing.

The above object of the present invention is achieved by the following technical solutions:

an elliptical automatic printing machine comprising:

the device comprises a rack, wherein a beam arm is arranged on the rack, and two ends of the beam arm are connected with supporting arms for supporting the beam arm;

the printing device comprises a scraper and a screen printing plate, wherein the scraper is arranged on a beam arm, a longitudinal driving mechanism for driving the scraper to move up and down on the screen printing plate is arranged on the beam arm, and a transverse driving mechanism for driving the scraper to move back and forth on the upper surface of the screen printing plate is arranged on the beam arm;

the main transmission system comprises an annular rail and a printing table plate, the annular rail is installed on the rack, the printing table plate is connected with the annular rail in a sliding mode through a transmission assembly, and the printing table plate is located below the screen printing plate when passing through the printing device.

Through adopting above-mentioned technical scheme, main drive system has the function that drives the stamp platen and remove along the circular orbit, when the stamp platen removed printing device, on the half tone pigment of hiking, the scraper can drive the pigment from the one end of half tone and scrape the other end to the half tone, because horizontal actuating mechanism can drive the scraper and remove repeatedly on the half tone, pigment can be attached to on the cloth uniformly under the coating of scraper, consequently place the cloth on the stamp platen can be attached to evenly, the adhesion is firm by pigment.

The present invention in a preferred example may be further configured to: the horizontal driving mechanism comprises a horizontal motor, a screw rod and a guide sliding block, the output end of the horizontal motor is connected with one end of the screw rod, the screw rod is connected with the cross beam arm in a rotating mode, the longitudinal driving mechanism is installed on the guide sliding block, and the scraper is connected with the longitudinal driving mechanism.

Through adopting above-mentioned technical scheme, horizontal motor circular telegram control lead screw rotates, and the lead screw rotates and drives the direction slider and remove along the length direction of lead screw, therefore the scraper can remove along the length direction of lead screw.

The present invention in a preferred example may be further configured to: the longitudinal driving mechanism comprises vertical cylinders which are arranged in pairs and fixed on two sides of the guide sliding block, and the output ends of the vertical cylinders are connected with the scraper.

Through adopting above-mentioned technical scheme, the lift of scraper can be controlled to vertical cylinder for the scraper can be close to or keep away from the half tone.

The present invention in a preferred example may be further configured to: the scraper blade includes:

the blade is provided with a cutting edge on one side edge, and a clamping edge is arranged on the other side of the blade and is in clamping fit with the clamping groove;

the cutter frame is fixed with the output end of the vertical cylinder, clamping blocks are oppositely arranged on two sides of the cutter frame, and clamping grooves used for being clamped and matched with the blades are formed in the clamping blocks;

ferromagnetic bodies are embedded in the clamping edges, and the clamping blocks are made of magnetic metal.

By adopting the technical scheme, the knife rest has a fixing effect, and the blade and the knife rest are detachably arranged, so that the blade is convenient to replace during later maintenance of the scraper; the blade and the tool rest are connected simply and firmly.

The present invention in a preferred example may be further configured to: be provided with curing system in the frame, curing system includes:

the reflective coating is arranged inside the housing;

the electric heating wire is arranged in the blower;

the photocuring ultraviolet lamp is installed in the housing, and sets up with the hair-dryer interval, the photocuring ultraviolet lamp sets up and has a plurality ofly, and evenly distributed is in the housing.

Through adopting above-mentioned technical scheme, the ultraviolet light that the inside reflection stratum of housing can produce the photocuring ultraviolet lamp is concentrated, reduces the ultraviolet ray injury of people at the workplace, concentrates light simultaneously, improves the solidification speed of photocuring pigment on the cloth, and the combination of heating wire and hair-dryer makes the wind of production be hot-blast, can accelerate the speed of pigment surface moisture evaporation for the process of pigment solidification.

The present invention in a preferred example may be further configured to: the screen printing plate comprises a screen frame and a screen mesh fixed on the screen frame, a bearing plate is arranged at one end of the supporting arm far away from the beam arm, and the screen frame is placed on the bearing plate; the bearing plate is embedded with a bar magnet, and the butt joint of the net frame and the bearing plate is provided with an iron bar.

By adopting the technical scheme, the lifting cylinder is arranged to enable the whole supporting arm to be lifted, so that the distance between the scraper and the screen printing plate can be conveniently adjusted; the bar magnets and the iron bars can attract each other, so that the bearing plate can support the screen frame, the bearing plate is firmly connected with the screen frame, and offset is not easy to generate between the screen plate and the bearing plate.

The present invention in a preferred example may be further configured to: the iron bar is a V-shaped iron bar with a V-shaped section, a V-shaped groove is formed in the supporting plate, and the V-shaped groove is matched with the V-shaped iron bar.

Through adopting above-mentioned technical scheme, V type groove and V type ironbar cooperate for the area of contact between bearing board and the half tone is bigger, the frictional force of production, magnetic force are bigger, therefore the position between half tone and the bearing board is difficult for producing the skew.

The present invention in a preferred example may be further configured to: and two ends of the V-shaped iron bar are provided with limiting ends for limiting the screen printing plate and the bearing plate to slide.

Through adopting above-mentioned technical scheme, spacing end can restrict the half tone and slide along the length direction in V type groove, consequently has and carries out spacing effect to the half tone.

The present invention in a preferred example may be further configured to: the transmission assembly is arranged on one side, facing the annular rail, of the printing table plate, and sliding grooves are formed in the two sides of the annular rail; the transmission assembly comprises a transmission frame fixed on the printing table plate, the transmission frame comprises a fixed rod fixed on the printing table plate, a cross rod vertical to the length direction of the fixed rod and a movable rod connected with the cross rod through an adjusting bolt, the fixed rod and the movable rod are horizontally and rotatably connected with horizontal pulleys, and the two horizontal pulleys are respectively abutted in sliding grooves on two sides of the annular track; the fixed rod and/or the movable rod are/is rotatably connected with a vertical pulley below the horizontal pulley, and the vertical pulley abuts against the side wall of the sliding groove.

By adopting the technical scheme, the movable rod is fastened with the cross rod through the adjusting bolt, so that the distance between the fixed rod and the horizontal pulley connected with the movable rod is adjustable, and the two horizontal pulleys are clamped on the annular track by adjusting the distance between the movable rod and the cross rod, so that the deviation between the printing table board and the annular track is adjusted, and the accuracy of pigment printing is improved conveniently; the vertical pulleys play a supporting role, and the abrasion of the horizontal pulleys is reduced.

The present invention in a preferred example may be further configured to: the main transmission system further comprises a driving motor and a chain for driving the printing table plate to rotate, the chain is annularly arranged on the inner side of the annular rail, a gear is fixedly connected to the circumferential direction of the output end of the driving motor, and the gear is meshed with the chain.

Through adopting above-mentioned technical scheme, driving motor drive gear rotates, and gear and chain meshing drive chain rotate, and then drive the stamp platen and remove along annular orbit.

In summary, the invention includes at least one of the following beneficial technical effects:

the transverse driving mechanism can drive the scraper to repeatedly move on the screen printing plate, and the pigment can be uniformly attached to the cloth under the coating of the scraper, so that the cloth placed on the printing table plate can be uniformly attached and firmly attached by the pigment;

the blade of the scraper and the knife rest are convenient to mount and dismount, so that the production cost of an enterprise is reduced conveniently;

the position between the screen printing plate and the supporting plate is matched tightly, so that dislocation is not easy to occur, and the printing accuracy can be improved.

Drawings

The figure is a schematic overall structure diagram of an elliptical automatic printing machine provided by an embodiment of the invention.

Fig. 1 is a schematic view of an overall structure of an elliptical automatic printing machine according to an embodiment of the present invention.

Fig. 2 is a schematic view of an overall structure of a printing apparatus according to an embodiment of the present invention.

Fig. 3 is an exploded view of a printing apparatus according to an embodiment of the present invention.

FIG. 4 is a schematic structural view of a printing platen and a transmission assembly according to an embodiment of the present invention.

FIG. 5 is a perspective view of a curing system provided by one embodiment of the present invention.

In the figure, 1, a machine frame, 11, a beam arm, 111, a cavity, 12, a supporting arm, 13, a longitudinal driving mechanism, 131, a vertical cylinder, 14, a transverse driving mechanism, 141, a horizontal motor, 142, a screw rod, 143, a guide slide block, 144, a beam frame, 2, a bearing plate, 21, a bar magnet, 211, a V-shaped groove, 3, a main driving system, 31, an annular rail, 311, a sliding groove, 32, a driving motor, 33, a gear, 34, a chain, 35, an auxiliary rail, 351, a sliding way, 4, a printing table plate, 41, a supporting roller, 5, a driving assembly, 51, a horizontal pulley, 52, a vertical pulley, 521, a U-shaped frame, 53, an L-shaped plate, 6, a driving frame, 601, a reinforcing rod, 61, a fixed rod, 62, a cross rod, 63, a movable rod, 64, an adjusting bolt, 7, a printing device, 71, a scraper, 72, a knife rest, 721, a clamping block, 722, a clamping, Blade, 731, joint border, 8, half tone, 81, screen frame, 811, V type ironbar, 812, spacing end, 82, silk screen, 9, curing system, 91, housing, 911, reflection stratum, 912, top surface, 913, bounding wall, 92, hair-dryer, 921, heating wire, 93, photocuring ultraviolet lamp.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, an elliptical automatic printing machine disclosed by the present invention includes a frame 1, a printing device 7 and a main transmission system 3, wherein the frame 1 mainly plays a role of supporting and bearing, the printing device 7 is used for printing and dyeing pigment on cloth, and the main transmission system 3 can convey the cloth to the printing device 7, so that the printing device 7 can print the cloth.

Referring to fig. 1 and 2, a beam arm 11 is disposed on the rack 1, two ends of the beam arm 11 are connected to support arms 12 fixed by bolts or welding, and the support arms 12 are used for supporting the beam arm 11, so that the beam arm 11 is located above the rack 1.

The printing apparatus 7 includes a squeegee 71 and a screen 8. The beam arm 11 is provided with a longitudinal driving mechanism 13 and a transverse driving mechanism 14, the longitudinal driving mechanism 13 is used for driving the scraper 71 to move up and down on the screen 8, the transverse driving mechanism 14 is used for driving the scraper 71 to move back and forth on the surface of the screen 8, and the scraper 71 is connected with the transverse driving mechanism 14.

Further, the lateral driving mechanism 14 includes a horizontal motor 141, a lead screw 142, and a guide slider 143. One side of the beam arm 11 facing the rack 1 is provided with a slot, the slot is hollowed to form a cavity 111, the screw rod 142 is disposed in the cavity 111, two ends of the screw rod 142 penetrate through two ends of the beam arm 11 in the length direction, and the screw rod 142 can be rotatably connected with respect to the beam arm 11. An output end of the horizontal motor 141 is connected to one end of the screw 142, and the horizontal motor 141 may be fixed to one end of the beam arm 11 by a bolt.

A threaded hole penetrates through the guide sliding block 143, the screw rod 142 penetrates through the threaded hole, and the threaded hole is in threaded fit with the screw rod 142. In this embodiment, two opposite sides of the guide slider 143 are abutted against the inner wall of the cavity 111, so that the guide slider 143 can slide in the cavity 111 along the length direction of the screw 142 during the rotation of the screw 142, and the guide slider 143 is stable in movement and is not easy to turn over.

Referring to fig. 2 and 3, the longitudinal driving mechanism 13 is mounted on the guide slider 143, and the guide slider 143 includes a cross beam 144 integrally connected thereto. The scraper 71 is connected to the longitudinal drive mechanism 13. Specifically, the longitudinal driving mechanism 13 includes vertical cylinders 131, the vertical cylinders 131 are arranged in pairs and fixed to both sides of a cross beam 144 provided on the guide slider 143 by bolts, a through hole is formed in the cross beam 144, and an output end of the vertical cylinder 131 penetrates through the through hole of the cross beam 144 and is connected to the scraper 71.

The doctor blade 71 includes a blade holder 72 and a blade 73. The output ends of the tool rest 72 and the vertical cylinder 131 are fixedly connected through welding, glue bonding or bolts, the two opposite sides of the tool rest 72 are integrally fixed with clamping blocks 721 through welding or bolts, the clamping blocks 721 are bent to the lower portion of the tool rest 72 in a hook shape, and clamping grooves 722 are formed in the parts, below the tool rest 72, of the clamping blocks 721.

A cutting edge is arranged on one side of the blade 73, a clamping edge 731 is arranged on the other side of the blade 73, and the clamping edge 731 is in clamping fit with the clamping groove 722.

Further, a ferromagnetic body is embedded in the clamping edge 731, and the ferromagnetic body may be a neodymium iron boron magnet. The clamping block 721 is made of magnetic metal, and the ferromagnetic material and the clamping block 721 are attracted to each other, so that the blade 73 and the tool holder 72 are connected more firmly.

The screen 8 includes a frame 81 and a screen 82, and the screen 82 is fixed in the frame 81 by gluing. The two ends of the supporting arm 12 are provided with bearing plates 2, and the bearing plates 2 can be fixed with the supporting arm 12 in a welding, glue bonding or bolt connection mode. The opposite ends of the screen frame 81 are placed on the supporting plates 2, and the supporting plates 2 support and support the screen frame 81. The bearing plate 2 is embedded with a bar magnet 21, and the abutting part of the screen frame 81 and the bearing plate 2 is bonded or welded with an iron bar. Since the bar magnets 21 and the iron bars can attract each other, there is a mutual attraction between the net frame 81 and the support plate 2, so that the net frame 81 is not easy to slip with the support plate 2.

Further, the iron bar is a V-shaped iron bar 811 with a V-shaped convex section, a V-shaped groove 211 is formed in one side of the supporting plate 2 facing the screen frame 81, and the bar magnet 21 also changes adaptively along the shape of the V-shaped groove 211. When the screen frame 81 is placed on the supporting plate 2, the V-shaped grooves 211 of the supporting plate 2 are matched with the V-shaped iron strips 811, so that the contact area between the screen frame 81 and the supporting plate 2 is larger, and the connection between the screen frame 81 and the supporting plate 2 is firmer.

Furthermore, two ends of the V-shaped iron bar 811 are provided with a limiting end 812, the limiting end 812 is an extension of two sides of the adjacent iron bar of the screen frame 81, and the limiting end 812 is used for limiting the sliding of the screen 8 and the supporting plate 2, so that the screen 8 is not easy to slide out from two ends of the V-shaped groove 211.

Referring to fig. 1 and 4, the main transmission system 3 includes an annular rail 31 and a printing table 4, the annular rail 31 is mounted on the frame 1, the printing table 4 is slidably connected to the annular rail 31 through the transmission assembly 5, and the printing table 4 is located below the screen 8 when passing through the printing device 7.

The main transmission system 3 further comprises a driving motor 32 and a chain 34, an L-shaped plate 53 is fixed on one side, facing the rack 1, of the printing table plate 4 through bolts, the L-shaped plate 53 is arranged at one end of the printing table plate 4, and the L-shaped plate 53 is connected with the chain 34 through bolts. The chain 34 is used for driving the printing bedplate 4 to rotate. At least two driving motors 32 are provided, and the two driving motors 32 are provided at both ends of the inner side of the endless track 31. The output end of the driving motor 32 is circumferentially and fixedly connected with a gear 33, and the gear 33 is meshed with a chain 34. The chain 34 is positioned inside the endless track 31 in a loop under tension of the gear 33.

The transmission assembly 5 is arranged on one side of the printing table 4 facing the annular rail 31, and the transmission assembly 5 is used for driving the printing table 4 to move along the annular rail 31. The transmission assembly 5 includes a transmission frame 6, a horizontal pulley 51, and a vertical pulley 52. The transmission frame 6 comprises a fixed rod 61 and a movable rod 63, a reinforcing rod 601 is integrally formed at one end of the fixed rod 61, the length direction of the reinforcing rod 601 is perpendicular to the length direction of the fixed rod 61, a cross rod 62 is integrally formed or welded at the middle section of the fixed rod 61, and an internal threaded hole is formed at one end, away from the fixed rod 61, of the cross rod 62; a reinforcing rod 601 is also arranged at one end of the movable rod 63, and the length direction of the reinforcing rod 601 is vertical to that of the movable rod 63; threaded hole also runs through in the middle section of movable rod 63, and threaded hole and the coaxial setting of internal thread hole to screw-thread fit has adjusting bolt 64, makes driving frame 6 form "H" shape, and reinforcement bar 601 on dead lever 61 and the reinforcement bar 601 on the movable rod 63 all set up same one side at driving frame 6.

Two horizontal pulleys 51 are provided on the transmission frame 6, and are respectively installed at one ends of the fixed rod 61 and the movable rod 63, which are far from the reinforcing rod 601. The horizontal pulley 51 is provided coaxially with the fixed lever 61 or the movable lever 63, and rotates about the axial line of the fixed lever 61 or the movable lever 63. The horizontal pulley 51 is provided with a connecting shaft at one side far away from the transmission frame 6, and one end of the connecting shaft far away from the horizontal pulley 51 is welded, glued or integrally formed with a U-shaped frame 521. A rotating shaft penetrates through the two sides of the vertical pulley 52 along the axial direction and the two ends of the U-shaped frame 521, and the vertical pulley 52 is hinged on the U-shaped frame 521 through the rotating shaft, so that the vertical pulley 52 can rotate by taking the rotating shaft as an axis.

The transmission frame 6 is fixed on the printing table 4, and the two horizontal pulleys 51 are respectively abutted in the sliding grooves 311 on both sides of the annular track 31, and the vertical pulley 52 is abutted on the side wall of the sliding groove 311. When the chain 34 drives the printing table 4 to rotate, the transmission component 5 fixed with the printing table 4 also plays a role in assisting the printing table 4 to move, and the vertical pulley 52 is abutted against the sliding groove 311, so that the friction force caused by the printing table 4 in the moving process is reduced, and the printing table 4 can move more smoothly.

Further, the outer ring of the annular rail 31 is further welded to the frame 1 or connected to an auxiliary rail 35 through bolts, the auxiliary rail 35 is also annular, a slide 351 is formed in one side, facing the printing table board 4, of the auxiliary rail 35, a supporting roller 41 is installed on one side, facing the slide 351, of the printing table board 4, the axis of the supporting roller 41 is parallel to the horizontal direction, and the supporting roller 41 is abutted to the bottom of the slide 351. When the printing table 4 moves, the side of the printing table 4 away from the chain 34 is also supported by the supporting rollers 41, so that the printing table 4 can keep horizontal placement and the resistance of the printing table 4 during the movement process can be reduced.

Referring to fig. 1 and 5, a curing system 9 is disposed on the frame 1, and the curing system 9 is used for drying and curing the pigment printed on the cloth so that the pigment is firmly attached to the cloth. The curing system 9 includes a housing 91, a blower 92, and a light curing ultraviolet lamp 93.

The cover 91 has a top plate, and a top plate 912 is fixed with a surrounding plate 913 by screws, wherein the surrounding plate 913 on one side is welded or bolted to the frame 1. The path taken by the interior of the housing 91 as it moves towards the printing table 4, the printing table 4 may be located directly below the housing 91 as the printing table 4 moves along the endless track 31. A reflective layer 911 is adhered inside the enclosure 91 surrounded by the top plate and the enclosing plate 913, and the reflective layer 911 may be an aluminum foil or a plate material with a light reflecting effect.

The blower 92 is connected to the top 912 through bolts, the air inlet of the blower 92 is communicated with the top plate, and the air outlet of the blower 92 faces the lower part of the casing 91. Be provided with the heating wire 921 in the hair-dryer 92, heating wire 921 heating can produce the heat to under the effect of blowing the grass of hair-dryer 92, have the heat air and can blow to the printing platen 4, make the pigment that is located the cloth printing on printing platen 4 in time air-dry.

The light-curing ultraviolet lamp 93 is installed in the housing 91 and fixed to the top plate by screws. The light curing ultraviolet lamps 93 are arranged and are provided with a plurality of light curing ultraviolet lamps, the light curing ultraviolet lamps 93 and the air blower 92 are arranged at intervals and are evenly distributed, shadow generation is reduced, and light is enabled to be beneficial to even distribution. When the pigment is a pigment having ultraviolet light curing properties, the ultraviolet light 93 can accelerate curing of the pigment.

The implementation principle of the above embodiment is as follows: the cloth is placed on the printing table board 4, the driving motor 32 drives the chain 34 to rotate, the printing table board 4 is driven to move along the annular track 31, and the cloth enters the printing device 7 and the curing system 9 in the moving process; pigment is laid on the silk screen 82, the longitudinal driving mechanism 13 controls the scraper 71 to press down on the silk screen 82, and the scraper 71 scrapes back and forth on the silk screen 82 under the action of the transverse driving mechanism 14, so that the pigment is printed on the cloth through the silk screen 82; the cloth passing through the printing device 7 enters the housing 91 of the curing system 9, and the pigment is solidified on the cloth under the action of blowing hot air by the blower 92 and curing by ultraviolet rays.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. An oval automatic printing machine, characterized by, includes:

the device comprises a rack (1), wherein a beam arm (11) is arranged on the rack (1), and two ends of the beam arm (11) are connected with supporting arms (12) for supporting the beam arm (11);

the printing device (7) comprises a scraper (71) and a screen printing plate (8), the scraper (71) is mounted on a beam arm (11), a longitudinal driving mechanism (13) for driving the scraper (71) to move up and down on the screen printing plate (8) is arranged on the beam arm (11), and a transverse driving mechanism (14) for driving the scraper (71) to move back and forth on the upper surface of the screen printing plate (8) is arranged on the beam arm (11);

the printing device comprises a main transmission system (3), wherein the main transmission system (3) comprises an annular rail (31) and a printing table board (4), the annular rail (31) is installed on the rack (1), the printing table board (4) is connected with the annular rail (31) in a sliding mode through a transmission assembly (5), and the printing table board (4) is located below a screen printing plate (8) when passing through a printing device (7).

2. The elliptical automatic printing machine according to claim 1, characterized in that: the horizontal driving mechanism (14) comprises a horizontal motor (141), a screw rod (142) and a guide sliding block (143), the output end of the horizontal motor (141) is connected with one end of the screw rod (142), the screw rod (142) is rotatably connected with the cross beam arm (11), the longitudinal driving mechanism (13) is installed on the guide sliding block (143), and the scraper (71) is connected with the longitudinal driving mechanism (13).

3. The elliptical automatic printing machine according to claim 1, characterized in that: the longitudinal driving mechanism (13) comprises vertical air cylinders (131), the vertical air cylinders (131) are arranged in pairs and fixed on two sides of the guide sliding block (143), and the output ends of the vertical air cylinders (131) are connected with the scraper (71).

4. The elliptical automatic printing machine according to claim 1, characterized in that: the scraper (71) comprises:

the cutting blade comprises a blade (73), wherein a cutting edge is arranged on one side of the blade (73), a clamping edge (731) is arranged on the other side of the blade (73), and the clamping edge (731) is in clamping fit with a clamping groove (722);

the cutter frame (72) is fixed with the output end of the vertical cylinder (131), clamping blocks (721) are oppositely arranged on two sides of the cutter frame (72), and clamping grooves (722) used for being in clamping fit with the blades (73) are formed in the clamping blocks (721);

ferromagnetic bodies are embedded in the clamping edges (731), and the clamping blocks (721) are made of magnetic metal.

5. The elliptical automatic printing machine according to claim 1, characterized in that: be provided with curing system (9) on frame (1), curing system (9) includes:

the LED lamp comprises a cover shell (91), wherein a reflecting layer (911) is arranged inside the cover shell (91);

the hair drier (92), there are heating wires (921) in the said hair drier (92);

photocuring ultraviolet lamp (93), install in housing (91), and set up with hair-dryer (92) interval, photocuring ultraviolet lamp (93) set up with have a plurality ofly, and evenly distributed is in housing (91).

6. The elliptical automatic printing machine according to claim 1, characterized in that: the screen printing plate (8) comprises a screen frame (81) and a screen mesh (82) fixed on the screen frame (81), a bearing plate (2) is arranged at one end, far away from the beam arm (11), of the supporting arm (12), and the screen frame (81) is placed on the bearing plate (2); a bar magnet (21) is embedded in the bearing plate (2), and an iron bar is arranged at the abutting position of the net frame (81) and the bearing plate (2).

7. The elliptical automatic printing machine according to claim 6, characterized in that: the iron bar is a V-shaped iron bar (811) with a V-shaped section, a V-shaped groove (211) is formed in the supporting plate (2), and the V-shaped groove (211) is matched with the V-shaped iron bar (811).

8. The elliptical automatic printing machine according to claim 7, characterized in that: and two ends of the V-shaped iron bar (811) are provided with limiting ends (812) for limiting the screen printing plate (8) and the supporting plate (2) to slide.

9. The elliptical automatic printing machine according to claim 1, characterized in that: the transmission assembly (5) is arranged on one side, facing the annular rail (31), of the printing bedplate (4), and sliding grooves (311) are formed in the two sides of the annular rail (31); the transmission assembly (5) comprises a transmission frame (6) fixed on the printing table board (4), the transmission frame (6) comprises a fixed rod (61) fixed on the printing table board (4), a cross rod (62) perpendicular to the length direction of the fixed rod (61) and a movable rod (63) connected with the cross rod (62) through an adjusting bolt (64), the fixed rod (61) and the movable rod (63) are horizontally and rotatably connected with horizontal pulleys (51), and the two horizontal pulleys (51) are respectively abutted in sliding grooves (311) on two sides of the annular track (31); the fixed rod (61) and/or the movable rod (63) are/is rotatably connected with a vertical pulley (52) below the horizontal pulley (51), and the vertical pulley (52) abuts against the side wall of the sliding groove (311).

10. The elliptical automatic printing machine according to claim 1, characterized in that: the main transmission system (3) further comprises a driving motor (32) and a chain (34) used for driving the printing table board (4) to rotate, the chain (34) is located on the inner side of the annular rail (31) in an annular mode, a gear (33) is fixedly connected to the circumferential direction of an output end of the driving motor (32), and the gear (33) is meshed with the chain (34).