CN116176111B

CN116176111B - Elliptical printing machine and positioning mechanism thereof

Info

Publication number: CN116176111B
Application number: CN202310176096.6A
Authority: CN
Inventors: 陈亮
Original assignee: Mitsubishi Intelligent Technology Suqian Co ltd
Current assignee: Mitsubishi Intelligent Technology Suqian Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-10-10
Anticipated expiration: 2043-02-28
Also published as: CN116176111A

Abstract

The invention discloses a sleeve position mechanism of an elliptical printing machine, which relates to the technical field of elliptical printing machines and comprises a base, an operation table, a discharging plate and a supporting frame, wherein the operation table is provided with a printing mechanism, the printing mechanism comprises a printing pressing plate and a brushing plate, the supporting frame is provided with a truss, an adjusting mechanism is arranged between the truss and the supporting frame and comprises a positioning sensor, a top plate and an adjusting ring, a driving motor is arranged on the installation seat, the upper end of the truss is fixedly connected with a stabilizing column for stabilizing the truss to move, the adjusting ring is provided with a sliding hole matched with the stabilizing column, the two driving motors drive a rotating frame to rotate according to the position of a material on the positioning sensor, the horizontal position of the adjusting ring is adjusted through a connecting rod, the adjusting ring is aligned up and down with the material, the truss is driven to move up and down through a telescopic rod, the printing mechanism is driven to print the material, the printing position can be adjusted according to the position of the material through the adjusting mechanism, and the printing can be prevented from being outwards skewed during printing.

Description

Elliptical printing machine and positioning mechanism thereof

Technical Field

The invention relates to the technical field related to elliptical printing machines, in particular to an elliptical printing machine sleeve position mechanism and an elliptical printing machine.

Background

The printing process refers to applying Yin Huawen on materials through dyes or pigments, and in order to meet the requirement of mass production, a printing machine is adopted for production, wherein the printing machine comprises a rotary screen printing machine, a digital printing machine, a flat screen printing machine, an elliptical printing machine, a walking table printing machine, a thermal transfer printing machine and the like, and can be selected according to different production requirements;

the elliptical printing machine is a device suitable for printing on sheet materials, is named after being viewed from top to bottom, is suitable for printing materials such as various printing materials, such as mucilage, water slurry, thermosetting, printing ink and the like, can perform printing processes such as thick plates, discharge, powder flashing, cracks, slurry drawing, foaming, flocking, stamping and silver stamping by being matched with a press stamping machine, and can be added with printing heads on the original machine according to the special parallel module combination design of the elliptical printing machine and the use requirement;

the existing elliptical printing machine is mostly as disclosed in publication number: an oval automatic printing machine of CN111251704A hangs the dyestuff on the material through scraper blade reciprocating motion on the half tone, but drives the material easily after scraper blade reciprocating motion and produces the skew, and then leads to the material to print when next half tone carries out printing and dyeing and can appear crooked, in order to solve above-mentioned problem, provides an oval printing machine cover position mechanism and oval printing machine now.

Disclosure of Invention

The invention aims to provide a sleeve position mechanism of an elliptical printing machine and the elliptical printing machine, and aims to solve the problem that most of the conventional elliptical printing machines drive materials to deviate after a scraper reciprocates, so that the materials are inclined outwards during printing and dyeing of the next screen printing plate.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an oval calico printing machine cover position mechanism, the base of calico printing machine is including, the upper end fixedly connected with operation panel of base, the lateral wall of operation panel rotates and installs a plurality of baiting boards that are used for placing the material, the operation panel is provided with the stamp mechanism to the material stamp, stamp mechanism includes stamp board and brush board, the upper end fixedly connected with support frame of operation panel, the lower extreme both sides movable mounting of support frame has the truss, stamp board and brush board all slidable mounting are in the truss below, be provided with the adjustment mechanism who is used for fine setting stamp mechanism position between truss and the support frame, adjustment mechanism includes positioning sensor, roof and adjusting ring, positioning sensor fixed mounting is in the lower terminal surface edge of stamp board, roof fixed connection is in the lower extreme edge of support frame, rotate between roof and the adjusting ring and be connected with the connecting rod, rotate between roof and the truss and be connected with the telescopic link, the two ends of the connecting rod and the telescopic column are respectively provided with a universal shaft, the connecting rods are four, the four connecting rods are uniformly distributed between the top plate and the adjusting ring in an annular array, the universal shafts comprise mounting seats and rotating frames, the plurality of mounting seats are fixedly connected to the top plate, the adjusting ring and the truss, the rotating frames are rotatably mounted in the mounting seats, one ends of the connecting rods and the telescopic column are rotatably mounted in the rotating frames, the outer side walls of the two adjacent mounting seats of the top plate are fixedly mounted with driving motors for driving the rotating frames to rotate, the upper ends of the trusses are fixedly connected with stabilizing columns for stabilizing truss movement, the adjusting ring is provided with sliding holes matched with the stabilizing columns, the two driving motors drive the rotating frames to rotate according to the material positions on the positioning discharging plates, the horizontal positions of the adjusting rings are adjusted through the connecting rods, the adjusting rings are vertically aligned with the materials, the trusses are driven to vertically move through the telescopic rods, and then drive stamp mechanism and carry out stamp operation to the material, and then can adjust stamp position according to the material position through adjustment mechanism, and then prevent that the stamp from appearing outside crooked during printing and dyeing.

An elliptical printing machine comprises any component of a sleeve position mechanism of the elliptical printing machine.

In a further embodiment, the truss is slidably mounted with a carriage for driving the brush plate to move, one end of the truss is fixedly connected with a reciprocating cylinder for moving the carriage, the brush plate is conveniently driven to move through the carriage, and the carriage is conveniently driven to move through the reciprocating cylinder.

In a further embodiment, the lower end of the carriage is preferably provided with two brush plates, by means of which the printing of the material is further facilitated.

In a further embodiment, the sliding frame is provided with a telescopic rod for moving the brush plate up and down, and the brush plate is conveniently driven to move up and down through the telescopic rod.

In a further embodiment, the lower end of the truss is fixedly connected with a buffer column for buffering the printing press plate, and the truss descending force is buffered through the buffer column.

In a further embodiment, the buffer post comprises a sleeve, a loop bar and an elastic piece, wherein the sleeve is fixedly connected to the lower end of the truss, the lower end of the sleeve is provided with a sliding groove, the loop bar is slidably installed in the sliding groove of the sleeve, the loop bar for providing downward elastic force for the loop bar is fixedly installed in the sliding groove of the sleeve, the loop bar is fixedly connected to the upper end of the stamping plate, the elastic piece is used for providing elastic force for the loop bar, and then the truss is buffered to descend.

In a further embodiment, the operation table is provided with a rotating mechanism for driving the plurality of discharging plates to rotate, and the plurality of discharging plates are conveniently driven to rotate through the rotating mechanism.

In a further embodiment, the rotating mechanism comprises two driving wheels and two driving belts, the two driving wheels are rotatably arranged at two ends of the operating platform, the driving belts are sleeved on the outer side walls of the two driving wheels, connecting columns are fixedly connected between the discharging plates and the driving belts, the driving belts are driven to rotate through rotation of the driving wheels, and then the discharging plates are driven to rotate through the connecting columns.

In a further embodiment, the upper end of base is provided with and is used for stabilizing flitch pivoted stable rail, and stable rail sets up to two, and the upper end fixedly connected with of base is used for supporting a plurality of support columns that stabilize the rail, and rail groove has been seted up to the upper end of stable rail, the equal fixedly connected with of lower extreme of flitch and spliced pole and the slide bar of rail groove matching, through the rotation of stable flitch of rail.

Compared with the prior art, the invention has the beneficial effects that:

the invention relates to a sleeve position mechanism of an elliptical printing machine and the elliptical printing machine, wherein the sleeve position mechanism and the elliptical printing machine are used for positioning the material position on a discharging plate according to a positioning sensor, two driving motors drive a rotating frame to rotate, the horizontal position of an adjusting ring is adjusted through a connecting rod, the adjusting ring is aligned with the material up and down, a truss is driven to move up and down through a telescopic rod, the printing mechanism is driven to print the material, the printing position can be adjusted according to the material position through the adjusting mechanism, and the problem that the printing position can be prevented from being inclined outwards during printing is solved, and the problem that the existing elliptical printing machine is easy to drive the material to deviate after a scraper reciprocates, so that the printing of the material can be inclined outwards during printing of the next screen printing plate is solved.

Drawings

FIG. 1 is a schematic view of a partial structure of an elliptical printing device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of a base according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an assembly structure of a printing mechanism and an adjusting mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of an adjusting mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view of a telescopic column according to an embodiment of the present invention;

FIG. 6 is a schematic view of a connecting rod structure according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a buffer column according to an embodiment of the present invention;

FIG. 8 is a schematic view of a platen structure according to an embodiment of the present invention;

FIG. 9 is a schematic view of a brush plate structure according to an embodiment of the present invention;

FIG. 10 is a schematic view of a blanking plate and a rotating mechanism according to an embodiment of the present invention;

fig. 11 is a schematic view of a stable rail structure according to an embodiment of the present invention.

In the figure: 1. a base; 2. an operation table; 21. a support frame; 3. a discharging plate; 31. a connecting column; 32. a slide bar; 4. a printing mechanism; 41. a pressing plate; 42. brushing a plate; 43. truss; 431. a stabilizing column; 44. a buffer column; 441. a sleeve; 442. a loop bar; 443. an elastic member; 45. a carriage; 451. a telescopic rod; 452. a reciprocating cylinder; 5. an adjusting mechanism; 51. positioning a sensor; 52. a top plate; 53. an adjusting ring; 54. a universal shaft; 541. a mounting base; 542. a rotating frame; 543. a driving motor; 55. a telescopic column; 56. a connecting rod; 6. a rotating mechanism; 61. a driving wheel; 62. a drive belt; 63. a stabilizing rail; 631. and (5) supporting the column.

Detailed Description

The following description will clearly and fully describe the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-9, the present embodiment provides an elliptical printing machine positioning mechanism and an elliptical printing machine, including a base 1 of the printing mechanism.

Referring to fig. 1, an operation table 2 is fixedly connected to an upper end of a base 1, the operation table 2 is preferably elliptical in shape when viewed from below, and a discharging plate 3 is rotatably mounted on an outer side wall of the operation table 2.

Wherein, the flitch 3 is preferably set up to a plurality of, and a plurality of flitch 3 evenly distributed are on the lateral wall of operation panel 2, and the top of flitch 3 is used for placing the flat material, and the material is preferably placed through the manual work, and through drawing the material profile on flitch 3, can conveniently carry out the stamp operation to the material, of course, the material placing method is not limited to the manual work and places, still can adopt other loading attachment to place.

In order to facilitate printing of the material on the discharge plate 3, the operating table 2 is provided with a printing mechanism 4.

Wherein, the upper end fixedly connected with support frame 21 of operation panel 2, support frame 21 and stamp mechanism 4 all preferably set up to a plurality of, and stamp mechanism 4 sets up in the lower extreme both sides of support frame 21.

Referring to fig. 3, the printing mechanism 4 includes a printing plate 41 and a brush plate 42, wherein two sides of the lower end of the support frame 21 are movably provided with a truss 43, and the printing plate 41 and the brush plate 42 are slidably mounted at the lower end of the truss 43.

To facilitate sliding of brush plate 42, truss 43 is slidably mounted with carriage 45.

Referring to fig. 3, a transverse groove is formed in an outer side wall of the truss 43, the sliding frame 45 is slidably mounted on the truss 43 through the transverse groove, two ends of the lower portion of the sliding frame 45 are fixedly connected with telescopic rods 451, the brush plate 42 is fixedly connected to lower ends of two telescopic rods 451 at two ends of the sliding frame 45, the telescopic rods 451 are preferably air pressure telescopic rods, and the brush plate 42 is conveniently driven to move up and down below the sliding frame 45 and the truss 43 through the telescopic rods 451.

Wherein, the printing plate 41 is preferably a graphic template, the discharging plate 3 rotates and moves to the lower part of the printing mechanism 4, the truss 43 moves downwards to press the material by the printing plate 41, then the dye is put on the printing plate 41, the brush plate 42 contacts the printing plate 41 through the telescopic rod 451, the brush plate 42 moves horizontally to and fro, the dye can be scraped on the material for printing and dyeing, and the printing and dyeing of the material can be completed through a plurality of printing mechanisms 4 and a plurality of different graphic templates.

To facilitate the reciprocating movement of the brush plate 42, one end of the truss 43 is fixedly connected with a reciprocating cylinder 452.

Referring to fig. 9, an output shaft is disposed at one end of the reciprocating cylinder 452, the output shaft reciprocates through the reciprocating cylinder 452, the output shaft of the reciprocating cylinder 452 penetrates through the truss 43 and is fixedly connected to one end of the sliding frame 45, the sliding frame 45 can be driven to reciprocate on the truss 43 by starting the reciprocating cylinder 452, and the reciprocating cylinder 452 is mostly used for conveying factory materials in the prior art.

In order to facilitate the lamination plate 41 to attach to the material, and in order to prevent the truss 43 from moving downwards to enable the buffer columns 44 to apply excessive pressure to the material, the buffer columns 44 are fixedly connected to the two sides of the truss 43.

The platen 41 is fixedly connected to the lower ends of the two buffer columns 44, and the pressing of the platen 41 is flexibly buffered by the buffer columns 44.

Referring to fig. 7, the buffer post 44 includes a sleeve 441, a rod 442 and an elastic member 443, the sleeve 441 is fixedly connected to one side of the lower end of the truss 43, a sliding slot is formed at the lower end of the sleeve 441, the upper end of the rod 442 is slidably mounted in the sliding slot of the sleeve 441, the elastic member 443 is fixedly mounted in the sliding slot of the sleeve 441, the lower end of the elastic member 443 is fixedly connected to the upper end of the rod 442, the elastic member 443 is preferably a spring, and of course, the elastic member 443 is not limited to the spring, and elastic members such as a metal elastic sheet can be adopted to provide downward elastic force to the rod 442 through the elastic member 443.

The stamping plate 41 is fixedly connected to the lower ends of the two sleeve rods 442, and provides an elastic force to the sleeve rods 442 through the elastic member 443, that is, provides a downward elastic force to the stamping plate 41, so as to buffer the downward moving pressure of the stamping plate 41.

In order to make the brush plate 42 better and more comprehensive for scraping the dye, the brush plate 42 is preferably provided in two.

Referring to fig. 9, the sliding frame 45 is preferably provided with a plurality of telescopic rods 451 for driving the two brush plates 42 to move up and down, after the brush plates 42 move in one direction, the brush plates 42 in the corresponding direction contact the printing plate 41 downwards through the telescopic rods 451, and the brush plates 42 are staggered to better and more comprehensively scrape the dye.

In order to facilitate the adjustment of the truss 43, the stamping plate 41 is enabled to be in contact with the material accurately, printing is enabled to be printed on the material accurately, and an adjusting mechanism 5 is arranged between the truss 43 and the supporting frame 21.

Wherein the adjusting mechanism 5 comprises a positioning sensor 51, a top plate 52 and an adjusting ring 53.

The positioning sensor 51 is preferably a distance sensor, and the distance sensor can sense the size of the object, and know the distance between itself and the object.

The two positioning sensors 51 are preferably provided, the two positioning sensors 51 are respectively and fixedly connected to two side edges below the platen 41, and the distance between the material and the center of the platen 41 can be known through the two positioning sensors 51.

Referring to fig. 4, a top plate 52 is fixedly connected to one side of the lower end of the support frame 21, an adjusting ring 53 is located between the top plate 52 and the truss 43, a connecting rod 56 is rotatably connected between the top plate 52 and the adjusting ring 53, a telescopic column 55 is rotatably connected between the top plate 52 and the truss 43, and two ends of the telescopic column 55 and the connecting rod 56 are rotatably connected with a direction shaft 54.

Referring to fig. 5 and 6, the universal shaft 54 includes a mounting seat 541 and a rotating frame 542, and the rotating frame 542 is rotatably mounted in the mounting seat 541.

The four connecting rods 56 are preferably arranged, the connecting rods 56 and the universal shafts 54 at two ends of the connecting rods 56 are uniformly distributed between the top plate 52 and the adjusting ring 53 in an annular array, so that the four universal shafts 54 are distributed in a cross shape, two ends of the connecting rods 56 respectively rotate in two rotating frames 542, and mounting seats 541 for connecting the two universal shafts 54 of the connecting rods 56 are respectively and fixedly connected to the top plate 52 and the adjusting ring 53.

Wherein, the side fixedly connected with driving motor 543 of two adjacent mount pad 541 on roof 52, two driving motor 543 are perpendicular distribution, and driving motor 543 preferably sets up to servo motor, and driving motor's 543 output shaft rotates the side that runs through mount pad 541, and fixed connection can drive the rotation frame 542 through starting driving motor 543 and rotate at the side of rotation frame 542.

The rotating frame 542 can be driven to rotate by starting the two driving motors 543, the connecting rod 56 is driven to rotate, the adjusting ring 53 is rotated by the connecting rod 56, the adjusting ring 53 is always kept in a parallel state with the top plate 52 by the four connecting rods 56, the two driving motors 543 are connected with the positioning sensor 51 in a line manner, the two driving motors 543 are controlled by the positioning sensor 51, and the adjusting ring 53 is aligned with materials up and down by changing the position of the adjusting ring 53.

Wherein, the two sides of the upper end of the truss 43 are fixedly connected with stabilizing columns 431, the adjusting ring 53 is provided with two sliding holes, the two stabilizing columns 431 are slidably installed in the two sliding holes, so that the truss 43 can stably slide up and down below the adjusting ring 53 and always keep up and down alignment with the adjusting ring 53, and then the adjusting ring 53 moves to adjust even if the truss 43, the stamping plate 41 and the material keep up and down alignment.

The telescopic column 55 is preferably configured to be hydraulically telescopic, two ends of the telescopic column 55 are rotatably mounted in the rotating frame 542, two mounting seats 541 of universal shafts 54 mounted at two ends of the telescopic column 55 are respectively and fixedly connected to the truss 43 and the top plate 52, and after the stamping plate 41 is vertically aligned with the material, the truss 43 can be driven to move downwards through the extension of the telescopic column 55, that is, the stamping plate 41 is driven to move downwards to be stamped on the material.

Compared with the existing elliptical printing machine, the printing mechanism 4 is always kept vertically aligned with the materials through the adjusting mechanism 5, and accurate printing of patterns is further guaranteed.

Example two

Referring to fig. 1 and fig. 10-11, further modifications were made based on example 1:

in order to facilitate the movement of the plurality of discharge plates 3, the operating table 2 is provided with a rotation mechanism 6.

Referring to fig. 10, the rotation mechanism 6 includes a driving wheel 61 and a driving belt 62.

The driving wheels 61 are preferably sprockets, the driving belts 62 are preferably chains, the driving wheels 61 are two, the two driving wheels 61 are respectively rotatably mounted at two ends of the operating platform 2, the driving belts 62 are in sleeve joint engagement with the outer side walls of the two driving wheels 61, and the driving belts 62 can be driven to rotate by the rotation of the driving wheels 61.

Wherein, the motor is fixedly arranged in the operation table 2, and the motor is preferably a stepping motor, and a driving wheel 61 is fixedly connected to an output shaft of the stepping motor, and the driving wheel 61 is driven to rotate by the stepping motor, namely, the driving belt 62 is driven to rotate.

Wherein, the end of blowing board 3 towards operation panel 2 fixedly connected with spliced pole 31, spliced pole 31 fixed connection is on the lateral wall of drive belt 62, and then rotates through drive belt 62 and drive spliced pole 31 rotation, drives blowing board 3 promptly and rotates.

In order to stabilize the rotation of the blanking plate 3, the upper end of the base 1 is provided with a stabilizing rail 63.

Wherein, the lower extreme of blowing board 3 and spliced pole 31 is all fixedly connected with slide bar 32, and stable rail 63 sets up to two, please refer to fig. 11, and two stable rail 63 all are preferably oval annular, and two stable rail 63 one big one small, and little stable rail 63 sets up around operation panel 2, and big stable rail 63 surrounds little stable rail 63, and the upper end fixedly connected with of base 1 a plurality of support column 631, two stable rail 63 fixed connection are in the upper end of support column 631, and a plurality of support column 631 evenly distributed is in the lower extreme of two stable rail 63, supports fixed stable rail 63 through support column 631.

Wherein, the upper end of stabilizing rail 63 has seted up the rail groove, and slide bar 32 slidable mounting of spliced pole 31 below is in the rail groove of little stabilizing rail 63, and slide bar 32 slidable mounting of flitch 3 below is in the rail groove of big stabilizing rail 63, through slide bar 32 in the rail groove of stabilizing rail 63 sliding into the rotation of stable flitch 3.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oval calico printing machine cover position mechanism, includes base (1) of calico printing machine, its characterized in that: the automatic material feeding device is characterized in that an operation table (2) is fixedly connected to the upper end of the base (1), a plurality of discharging plates (3) for placing materials are rotatably arranged on the outer side wall of the operation table (2), a printing mechanism (4) for printing the materials is arranged on the operation table (2), the printing mechanism (4) comprises a printing plate (41) and a brush plate (42), a support frame (21) is fixedly connected to the upper end of the operation table (2), trusses (43) are movably arranged on two sides of the lower end of the support frame (21), and the printing plate (41) and the brush plate (42) are slidably arranged below the trusses (43);

the automatic fine-tuning printing device is characterized in that an adjusting mechanism (5) for finely adjusting the position of the printing mechanism (4) is arranged between the truss (43) and the supporting frame (21), the adjusting mechanism (5) comprises a positioning sensor (51), a top plate (52) and an adjusting ring (53), the positioning sensor (51) is fixedly arranged at the edge of the lower end face of the printing plate (41), the top plate (52) is fixedly connected at the edge of the lower end of the supporting frame (21), a connecting rod (56) is rotationally connected between the top plate (52) and the adjusting ring (53), a telescopic column (55) is rotationally connected between the top plate (52) and the truss (43), universal shafts (54) are arranged at two ends of the connecting rod (56) and the telescopic column (55), the connecting rod (56) are arranged into four, and the four connecting rods (56) are uniformly distributed between the top plate (52) and the adjusting ring (53) in a ring-shaped array.

The universal shaft (54) comprises mounting seats (541) and rotating frames (542), the mounting seats (541) are fixedly connected to a top plate (52), an adjusting ring (53) and a truss (43), the rotating frames (542) are rotatably mounted in the mounting seats (541), one ends of connecting rods (56) and telescopic columns (55) are rotatably mounted in the rotating frames (542), driving motors (543) for driving the rotating frames (542) to rotate are fixedly mounted on the outer side walls of the two adjacent mounting seats (541) of the top plate (52), stabilizing columns (431) for stabilizing the truss (43) to move are fixedly connected to the upper ends of the truss (43), and sliding holes matched with the stabilizing columns (431) are formed in the adjusting ring (53).

2. An elliptical printing machine, characterized in that: comprising an elliptical printer positioning mechanism as recited in claim 1.

3. An elliptical printing machine according to claim 2, wherein: the truss (43) is slidably provided with a sliding frame (45) for driving the brush plate (42) to move, and one end of the truss (43) is fixedly connected with a reciprocating cylinder (452) for moving the sliding frame (45).

4. An elliptical printing machine according to claim 3, wherein: two brush plates (42) are arranged at the lower end of the sliding frame (45).

5. An elliptical printing machine as defined in claim 4, wherein: the sliding frame (45) is provided with a telescopic rod (451) for moving the brush plate (42) up and down.

6. An elliptical printing machine according to claim 2, wherein: the lower end of the truss (43) is fixedly connected with a buffer column (44) for buffering the stamping plate (41).

7. An elliptical printing machine as defined in claim 6, wherein: the buffering post (44) comprises a sleeve (441), a sleeve rod (442) and an elastic piece (443), wherein the sleeve (441) is fixedly connected to the lower end of the truss (43), a sliding groove is formed in the lower end of the sleeve (441), the sleeve rod (442) is slidably mounted in the sliding groove of the sleeve (441), the elastic piece (443) for providing downward elasticity for the sleeve rod (442) is fixedly mounted in the sliding groove of the sleeve (441), and the sleeve rod (442) is fixedly connected to the upper end of the stamping plate (41).

8. An elliptical printing machine according to claim 2, wherein: the operation table (2) is provided with a rotating mechanism (6) for driving the plurality of discharging plates (3) to rotate.

9. An elliptical printing machine as claimed in claim 8, wherein: the rotating mechanism (6) comprises two driving wheels (61) and two driving belts (62), the two driving wheels (61) are rotatably arranged at two ends of the operating platform (2), the driving belts (62) are sleeved on the outer side walls of the two driving wheels (61), and connecting columns (31) are fixedly connected between the discharging plate (3) and the driving belts (62).

10. An elliptical printing machine according to claim 9, wherein: the upper end of base (1) is provided with and is used for stabilizing flitch (3) pivoted stable rail (63), stable rail (63) set up to two, and the upper end fixedly connected with of base (1) a plurality of support column (631) that are used for supporting stable rail (63), the rail groove has been seted up to the upper end of stable rail (63), the equal fixedly connected with of lower extreme of flitch (3) and the lower extreme of spliced pole (31) slide bar (32) that match with the rail groove.