CN211165796U

CN211165796U - Oval printing machine

Info

Publication number: CN211165796U
Application number: CN201921527276.XU
Authority: CN
Inventors: 陈洁辉; 蔡小春; 周华
Original assignee: Guangzhou Cnding Robot Co ltd
Current assignee: Guangzhou Cnding Robot Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-08-04
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to an oval calico printing machine includes: the printing machine comprises an elliptical frame, a trolley mechanism, a driving mechanism, a plurality of printing mechanisms and a protection mechanism. The trolley mechanism is arranged on the elliptical rack, the driving mechanism is arranged in the elliptical rack, the driving mechanism drives the trolley mechanism to move on the elliptical rack, the printing mechanisms are arranged at intervals along the elliptical rack, and the protection mechanism is arranged on the outer side of the trolley mechanism. The printing mechanism comprises an elastic connecting piece and an ejector pin mechanism, and even if the guide wheel and the guide rail are mechanically abraded, the elastic connecting piece and the ejector pin mechanism can enable the guide wheel to be tightly attached to the guide rail, so that the situation that the scraper seat is influenced to move due to abrasion of the guide rail is reduced.

Description

Oval printing machine

Technical Field

The utility model belongs to the calico printing machine field especially relates to an oval calico printing machine.

Background

The elliptical printing machine is suitable for various printing materials, such as mucilage, water paste, printing ink and the like, is suitable for the plane screen printing of cut pieces such as clothing cut-parts printing, ready-made clothes, trousers, socks, umbrellas and the like, and is suitable for printing technology: thick plate, discharge dyeing, press ironing machine for gold stamping and silver stamping, flocking machine for flocking, etc.

The printing mechanism of the elliptical printing machine is used for being matched with the transport trolley to print, when the transport trolley reaches the printing position of the printing mechanism, the transport trolley stops running, and then the printing mechanism prints printing materials on the transport trolley. The printing head motor of the elliptical printing machine drives the printing part on the printing mechanism to move along the guide rail shaft and scrape and print on the printed matter, and after printing is finished, the printing mechanism is separated from the printing bedplate, and the printing bedplate is driven by the conveying mechanism to leave.

Because the printing part continuously and repeatedly moves on the guide rail, mechanical abrasion is generated between the guide rail shaft and the guide wheel driving the printing part, a gap exists between the guide wheel and the guide rail shaft, the attachment between the guide wheel and the guide rail shaft is influenced, and the movement of the printing scraper is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide an oval calico printing machine.

The utility model relates to an elliptical printing machine of embodiment, include: an elliptical frame comprising an elliptical guide rail;

the trolley mechanism comprises a plurality of transportation tables, and the transportation tables are arranged on the elliptical guide rail in a sliding manner;

the driving mechanism is arranged in the elliptical rack and drives the trolley mechanism to move along the elliptical guide rail;

the printing mechanisms are arranged at intervals along the oval guide rails and comprise inclined pull frames, printing head support frames and printing head frames, the inclined pull frames are arranged on the oval rack, the printing head support frames are arranged on the oval rack and are opposite to the inclined pull frames, each printing head frame comprises a printing head beam, two guide rails, a scraper seat, a scraper, two eccentric shafts and two rotating shafts, one end of the printing head beam is rotatably arranged on the inclined pull frames, the other end of the printing head beam is erected on the printing head support frames, the two guide rails are arranged at the bottom end of the printing head beam in parallel, the scraper is arranged at the bottom end of the scraper seat, the two eccentric shafts and the two rotating shafts are arranged on the scraper seats in parallel, guide wheels are respectively arranged at the top ends of the two eccentric shafts and the two rotating shafts, and the guide wheels of the two eccentric shafts are embedded in one side of the two guide rails, the guide wheels of the two rotating shafts are embedded at the other sides of the two guide rails and can slide along the two guide rails;

the printing head frame further comprises an elastic connecting piece and an ejector pin mechanism, the elastic connecting piece is respectively connected to the bottom ends of the two eccentric shafts, and the ejector pin mechanism is tightly pressed on the elastic connecting piece, so that the elastic connecting piece is elastically deformed to drive the two eccentric shafts to rotate, and guide wheels on the two eccentric shafts are tightly pressed on the guide rails.

The utility model relates to an oval calico printing machine's printing mechanism of embodiment is provided with elastic connection spare and thimble mechanism, even the guide pulley with produce mechanical wear between the guide rail, elastic connection spare with thimble mechanism also can be right the guide pulley pastes tightly the guide rail to the reduction scrapes the blade holder and influences the condition emergence of removal because of guide rail wearing and tearing.

In a preferred or optional embodiment, the guide wheel fixing device includes an eccentric workpiece, a spring plate, and an extrusion screw, the eccentric workpiece is fixedly disposed at the bottom end of the scraper seat, one end of the eccentric workpiece is inserted into the shaft hole of the guide wheel, an installation groove is disposed on a side wall of the other end of the eccentric workpiece, two ends of the spring plate are respectively disposed in two adjacent installation grooves, the extrusion screw extrudes the middle portion of the spring plate, and the spring plate deforms to drive the eccentric workpiece to rotate and extrude the guide wheel toward the guide rail. The guide wheel moves on the guide rail, abrasion is generated between the guide wheel and the guide rail after a certain using time, and a gap is generated between the guide wheel and the guide rail, so that the extrusion screw can enable the guide wheel to be close to the guide rail, and machining errors caused by the gap are reduced.

In a preferred or optional embodiment, the elastic connecting piece is a spring piece, the bottom ends of the two eccentric shafts are provided with mounting grooves, and the two ends of the spring piece are respectively clamped into the mounting grooves in a manner that the elastic surface of the spring piece is parallel to the axis of the eccentric shaft.

In a preferred or optional embodiment, the ejector pin mechanism comprises a screw seat provided with a screw hole and a screw, the screw seat is fixedly mounted on the scraper seat, and one end of the screw penetrates through the screw hole and abuts against the spring piece.

In a preferred or optional embodiment, the elliptical frame further includes a plurality of line body frames and two guardrail frames, the line body frames are connected side by side, the two guardrail frames are respectively disposed at two ends of the line body frame, and the elliptical guide rail is disposed on the line body frame and the guardrail frames.

In a preferred or optional embodiment, the elliptical printing machine further comprises a protection mechanism, the protection mechanism is arranged on the outer side of the trolley mechanism, the protection mechanism comprises two protection frames and a protection rope, the two protection frames are respectively arranged on the two protection frames, and the protection rope is connected between the two protection frames.

In a preferred or optional embodiment, the protection mechanism further comprises a detection unit and an emergency stop switch device, the detection unit is connected to the end of the protection rope, the detection unit detects the stress change of the protection rope and sends out a trigger signal, and the emergency stop switch device receives the trigger signal and is disconnected.

In a preferred or optional embodiment, the guard mechanism further comprises an emergency stop button disposed on the guard frame, the emergency stop button being electrically connected to the emergency stop switch device.

In a preferred or optional embodiment, the driving mechanism includes a motor, a driving wheel and a driven wheel, the driving wheel and the driven wheel are respectively located in the line body frames at two ends, the driving wheel and the driven wheel are driven by a transmission chain, and the transmission chain is in transmission connection with one end of the transportation bedplate.

In a preferred or optional embodiment, the printing mechanism further comprises a fine adjustment device, the fine adjustment device comprises a front fine adjustment part and a rear fine adjustment part, the front fine adjustment part and the rear fine adjustment part are arranged oppositely, the front fine adjustment part is fixedly arranged on the inclined pull frame, and the rear fine adjustment part is fixedly arranged on the printing head support frame.

In a preferred or optional embodiment, the front fine adjustment part comprises a first adjustment part and a second adjustment part;

the first adjusting part comprises a first adjusting base, a first adjusting slide block, a first screw rod used for pushing the first adjusting slide block and a second screw rod used for pushing the first adjusting base, the first adjusting base is provided with a first sliding groove, the first sliding groove is parallel to the elliptical guide rail, the first adjusting slide block is connected to the first sliding groove in a sliding manner, the first screw rod pushes the first adjusting slide block to move on the first sliding groove, and the axial direction of the second screw rod is perpendicular to the sliding direction of the first sliding groove;

the second adjusting part is connected above the first adjusting part through a third screw rod, and the axial direction of the third screw rod is perpendicular to the sliding direction of the first sliding chute;

the rear fine adjustment part comprises a third adjustment part and a fourth adjustment part;

the third adjusting part comprises a second adjusting base, a second adjusting slider, a fourth screw rod for pushing the second adjusting slider and an extrusion spring for extruding the second adjusting base, the second adjusting base is provided with a second chute, the second chute is parallel to the elliptical guide rail, the second adjusting slider is connected to the second chute in a sliding manner, the fourth screw rod pushes the second adjusting slider to move on the second chute, and the axial direction of the extrusion spring is perpendicular to the sliding direction of the second chute;

the fourth adjusting part is connected above the third adjusting part through a fifth screw rod, and the axial direction of the fifth screw rod is perpendicular to the sliding direction of the second sliding chute.

In order to make the present invention more clearly understood, the following description will be made in conjunction with the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the overall structure of the elliptical printing machine of the present invention;

FIG. 2 is a schematic view of an elliptical frame structure of the elliptical printing machine of the present invention;

FIG. 3 is a schematic structural view of a printing mechanism of the elliptical printing machine of the present invention;

FIG. 4 is a schematic structural view of a scraper seat and a scraper of the elliptical printing machine of the present invention;

FIG. 5 is a bottom view of the scraper seat of the elliptical printing machine of the present invention;

FIG. 6 is a schematic view of the installation of the elastic connecting member, the thimble mechanism and the scraper seat of the elliptical printing machine of the present invention;

FIG. 7 is a schematic structural diagram of an eccentric shaft of the elliptical printing machine of the present invention;

FIG. 8 is a schematic structural view of a rear fine adjustment part of the elliptical printing machine of the present invention;

fig. 9 is a schematic structural diagram of a protection mechanism of the elliptical printing machine of the present invention.

Brief description of the drawings: 1. an elliptical frame; 11. a wire body frame; 12. a guardrail frame; 13. an elliptical guide rail; 2. a trolley mechanism; 21. a transport platen; 3. a drive mechanism; 31. a driving wheel; 32. a driven wheel; 33. a drive chain; 4. a printing mechanism; 41. obliquely pulling the frame; 42. a printing head support frame; 43. a print head frame; 431. a print head beam; 432. a guide rail; 433. a scraper seat; 4331. a bearing; 434. a scraper; 435. an eccentric shaft; 4351. a first shaft portion; 4352. a second shaft portion; 436. a rotating shaft; 437. a guide wheel; 438. an elastic connecting member; 439. a thimble mechanism; 44. a fine adjustment device; 441. a front fine adjustment part; 4411. a first lead screw; 4412. a second lead screw; 4413. a third screw rod; 442. a rear fine adjustment part; 4421. a second adjustment base; 4422. a second adjusting slide block; 4423. a fourth screw rod; 4424. a fifth screw rod; 5. a protection mechanism; 51. a protective frame; 52. a protective rope.

Detailed Description

Referring to fig. 1 and 2, fig. 1 is a schematic view of an overall structure of an elliptical printing machine of the present invention, and fig. 2 is a schematic view of an elliptical frame structure of the elliptical printing machine of the present invention.

The utility model discloses oval calico printing machine includes oval frame 1, platform truck mechanism 2, actuating mechanism 3, a plurality of printing mechanism 4 and protection machanism 5. The trolley mechanism 2 is arranged on the elliptical rack 1, the driving mechanism 3 is arranged in the elliptical rack 1, the driving mechanism 3 drives the trolley mechanism 2 to move on the elliptical rack 1, the printing mechanism 4 is arranged along the elliptical rack 1 at intervals, and the protection mechanism 5 is arranged on the outer side of the trolley mechanism 2.

The elliptical rack 1 comprises a plurality of line body frames 11, two guardrail frames 12 and an elliptical guide rail 13, wherein the line body frames 11 are connected side by side, the two guardrail frames 12 are respectively arranged at two ends of the line body frames 11, and the elliptical guide rail 13 is arranged on the line body frames 11 and the guardrail frames 12. The elliptical frame 1 provides an installation space for the driving mechanism 3.

Specifically, the line body frame 11 with the guardrail frame 12 is formed by the aluminium alloy equipment, and installation, dismantlement, maintenance are with trading swiftly convenient, are favorable to increasing printing mechanism 4 and auxiliary assembly.

Preferably, the elliptical guide rail 13 includes a primary rail and a secondary rail, which are parallel to each other, and the distance therebetween is maintained to be uniform. The primary and secondary rails can provide more robust support for the trolley mechanism 2.

The trolley mechanism 2 comprises a plurality of transportation table plates 21, and the transportation table plates 21 are arranged on the elliptical guide rail 13 in a sliding mode.

The driving mechanism 3 includes a motor (not shown), a driving wheel 31 and a driven wheel 32, the driving wheel 31 and the driven wheel 32 are respectively located in the line body frames 11 at two ends, the motor drives the driving wheel 31, the driving wheel 31 and the driven wheel 32 are in transmission connection through a transmission chain 33, and the transmission chain 33 is in transmission connection with the transportation bedplate 21. The transmission mechanism drives the trolley mechanism 2 to move along the elliptical guide rail 13.

Preferably, the driving wheel 31 is a driving gear, the driven wheel 32 is a driven gear, the transmission chain 33 is respectively engaged with the driving wheel 31 and the driven wheel 32, the driving gear is driven by a driving motor, the driving gear drives the transmission chain 33, and the transmission chain 33 drives the driven gear. The transmission chain 33 is hinged to one side of the trolley mechanism 2, and when the transmission chain 33 moves, the transmission chain 33 can drive the trolley mechanism 2 to move on the elliptical guide rail 13.

Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of a printing mechanism of an elliptical printing machine of the present invention, and fig. 4 is a schematic structural diagram of a scraper seat and a scraper of an elliptical printing machine of the present invention.

The printing mechanism 4 is arranged along the oval guide rail 13 at intervals, and the printing mechanism 4 comprises a diagonal draw frame 41, a printing head support frame 42, a printing head frame 43 and a fine adjustment device 44.

The inclined pull frame 41 is arranged on the line body frame 11 of the elliptical frame 1, and the printing head support frame 42 is arranged on the line body frame 11 of the elliptical frame 1 and opposite to the inclined pull frame 41.

The print head frame 43 includes a print head beam 431, two guide rails 432, a doctor blade base 433, a doctor blade 434, two eccentric shafts 435, and two rotary shafts 436.

One end of the print head beam 431 is rotatably disposed on the inclined pull frame 41, the other end of the print head beam 431 is mounted on the print head support frame 42, the two guide rails 432 are disposed at the bottom end of the print head beam 431 in parallel, the scraper 434 is installed at the bottom end of the scraper base 433, two eccentric shafts 435 and two rotating shafts 436 are installed on the scraper base 433 in parallel, guide wheels 437 are respectively installed at the top ends of the two eccentric shafts 435 and the two rotating shafts 436, the guide wheels 437 of the two eccentric shafts 435 are fitted into one side of the two guide rails 432, the guide wheels 437 of the two rotating shafts 436 are fitted into the other side of the two guide rails 432, and can slide along both of the guide rails 432, preferably, the guide rails 432 are polished rods, the guide wheel 437 is a concave wheel, and the contact surface between the concave wheel and the polished rod is more suitable for better embedding between the concave wheel and the polished rod by tightly pushing the concave wheel. The rotation axis 436 of the concave wheels is perpendicular to the plane of the polish rods, the vector of the torsion force of the eccentric shaft 435 is on the plane of the polish rods, and the wheel surface of the concave wheel is abutted against the polish rods along the plane of the polish rods, so that the torsion force can maximally abut against the guide rail 432 without deviating beyond other directions.

Please refer to fig. 5 to 7, fig. 5 is a bottom view of the scraper seat of the elliptical printing machine of the present invention, fig. 6 is an installation schematic diagram of the elastic connecting member, the thimble mechanism and the scraper seat of the elliptical printing machine of the present invention, and fig. 7 is a structural schematic diagram of the eccentric shaft of the elliptical printing machine of the present invention.

In this embodiment, the eccentric shaft 435 includes a first shaft portion 4351 and a second shaft portion 4352, axes of the first shaft portion 4351 and the second shaft portion 4352 are parallel, a top end of the first shaft portion 4351 is connected to a bottom end of the second shaft portion 4352, bottom ends of the first shaft portion 4351 are connected to the elastic connection member, and a guide wheel 437 is disposed at a top end of the second shaft portion 4352. Preferably, the diameter of the first shaft portion 4351 is larger than that of the second shaft portion 4352, and the large shaft drives the small shaft to be more stable. The scraper seat 433 is provided with four bearings 4331, the second shaft portions 4352 of the two eccentric shafts 435 and the two rotating shafts 436 are respectively inserted into the four bearings 4331, the outer diameter surfaces of the two eccentric shafts 435 and the two rotating shafts 436 are provided with two protruding blocks along the axial direction, the four bearings 4331 are respectively limited between the two second shaft portions 4352 and the two protruding blocks of the two rotating shafts 436, the protruding blocks limit the bearings 4331 from sliding along the axial direction, and preferably, the protruding blocks may be annular rings, such as shaft retaining rings.

The print head carriage 43 further includes a resilient connector 438 and an ejector mechanism 439. The elastic connecting pieces 438 are respectively connected to the bottom ends of the two eccentric shafts 435, and the ejector pin mechanism 439 is tightly pressed against the elastic connecting pieces 438, so that the elastic connecting pieces 438 are elastically deformed to drive the two eccentric shafts 435 to rotate, and guide wheels 437 on the two eccentric shafts 435 are pressed on the guide rails 432.

In this embodiment, the elastic connecting element 438 is a spring plate, and the bottom ends of the two eccentric shafts 435 are provided with mounting grooves. The two ends of the elastic sheet are respectively clamped in the mounting grooves in a mode that the elastic surface of the elastic sheet is parallel to the axis of the eccentric shaft 435, and one elastic sheet can simultaneously control the two eccentric shafts 435 to rotate along opposite directions. In other embodiments, the resilient connecting element 438 may be other resilient members, such as a bar-shaped resilient rod. The thimble mechanism 439 comprises a screw seat and a screw, wherein the screw seat is provided with a screw hole, the screw seat is fixedly arranged on the scraper seat 433, one end of the screw penetrates through the screw hole and vertically abuts against the middle part of the elastic surface of the elastic sheet, the tensioning degree of the elastic sheet can be adjusted by adjusting the rotation of the screw, so that the eccentric shafts 435 of the two eccentric shafts 435 are driven to rotate, and guide wheels 437 on the two eccentric shafts 435 are pressed on the guide rails 432. In other embodiments, the ejector mechanism 439 may be a rod-shaped element, and a spring is sleeved on the rod-shaped element, the rod-shaped element passes through a mounting seat and abuts against the elastic connecting element 438, one end of the spring abuts against the mounting seat, and the other end of the spring pushes the rod-shaped element against the elastic connecting element 438, so that the elastic deformation state of the elastic connecting element 438 is maintained by the spring.

In addition, according to practical requirements, for example, the wear is large, the rotating shaft 436 may be the eccentric shaft 435, in this case, two sets of the elastic connecting members 438 and the ejector mechanism 439 are required, and the four guide wheels 437 are simultaneously pressed against the guide rail 432 through the two sets of the elastic connecting members 438, so that the guide wheels 437 are more stably pressed against the guide rail 432.

Please refer to fig. 8, fig. 8 is a schematic structural diagram of a rear fine adjustment portion of the elliptical printing machine of the present invention.

The fine adjustment device 44 includes a front fine adjustment portion 441 and a rear fine adjustment portion 442, the front fine adjustment portion 441 and the rear fine adjustment portion 442 are disposed oppositely, the front fine adjustment portion 441 is fixedly disposed on the inclined frame 41, and the rear fine adjustment portion 442 is fixedly disposed on the print head support frame 42. A printing screen frame is arranged between the front fine adjustment part 441 and the rear fine adjustment part 442, the printing screen frame presses the material on the transportation platen 21 during the printing process of the printing mechanism 4, and the scraper 434 repeatedly scrapes and presses the printing screen frame to print the pigment or other materials of the printing screen frame on the surface of the material on the transportation platen 21.

The front trimming section 441 includes a first adjusting section and a second adjusting section. The first adjusting part comprises a first adjusting base, a first adjusting slider, a first lead screw 4411 for pushing the first adjusting slider, and a second lead screw 4412 for pushing the first adjusting base. The first adjusting base is provided with a first sliding groove, preferably, the first sliding groove is a dovetail groove, and in other embodiments, the first sliding groove may be a T-shaped groove or other slot structures commonly used by those skilled in the art. The first sliding groove is parallel to the elliptical guide rail 13, the first adjusting slider is slidably connected to the first sliding groove, the first lead screw 4411 pushes the first adjusting slider to move on the first sliding groove, and the axial direction of the second lead screw 4412 is perpendicular to the sliding direction of the first sliding groove. The second adjusting part is connected above the first adjusting part through a third screw 4413, and the axial direction of the third screw 4413 is perpendicular to the sliding direction of the first sliding chute. In the front fine adjustment part 441, a user can adjust the three-dimensional position of the printing screen frame by adjusting the first lead screw 4411, the second lead screw 4412 and the third lead screw 4413.

The rear trimming section 442 includes a third adjusting section and a fourth adjusting section. The third adjusting part includes a second adjusting base 4421, a second adjusting slider 4422, a fourth screw 4423 for pushing the second adjusting slider 4422, and a pressing spring for pressing the second adjusting base 4421. The second adjusting base 4421 is provided with a second sliding groove, preferably, the second sliding groove is a dovetail groove, and in other embodiments, the second sliding groove may be a T-shaped groove or other slot structures commonly used by those skilled in the art. The second sliding groove is parallel to the elliptical guide rail 13, the second adjusting slider 4422 is connected to the second sliding groove in a sliding manner, the fourth screw 4423 pushes the second adjusting slider 4422 to move on the second sliding groove, and the axial direction of the extrusion spring is perpendicular to the sliding direction of the second sliding groove. The fourth adjusting part is connected to the upper part of the third adjusting part through a fifth screw 4424, and the axial direction of the fifth screw 4424 is perpendicular to the sliding direction of the second sliding groove. In the rear fine adjustment portion 442, a user can adjust the two-dimensional positions of the printing screen frame by adjusting the fourth lead screw 4423 and the fifth lead screw 4424, and the pressing spring presses the printing screen frame toward the front fine adjustment portion 441, and the pressing spring cooperates with the third lead screw 4413 to clamp the printing screen frame, so as to prevent the printing screen frame from shaking during the scraping process of the scraper 434.

The user can be through adjusting fine-tuning is to setting up printing screen frame in the fine-tuning carries out the regulation of three dimensionality, makes elliptical printing machine can guarantee at the in-process of printing stamp location on the printing screen frame is accurate, has improved the printing precision.

Please refer to fig. 9, fig. 9 is a schematic structural diagram of a protection mechanism of an elliptical printing machine according to the present invention.

The guard mechanism 5 includes two guard frames 51, a guard rope 52, a detection unit, an emergency stop switch device, and an emergency stop button.

The two protection frames 51 are respectively arranged on the two protection frames, the protection rope 52 is connected between the two protection frames 51, preferably, the protection frames 51 are provided with fixed pulleys, the protection rope 52 is connected with the fixed pulleys, and the fixed pulleys can change the arrangement direction of the protection rope 52 but cannot change the transmission of stress of the protection rope 52. The detection unit is connected with the end part of the protective rope 52, the detection unit detects the stress change of the protective rope 52 and sends out a trigger signal, the emergency stop switch device is switched off after receiving the trigger signal, preferably, the detection unit is a tension sensor, when the middle section of the protection rope 52 is subjected to an external force, the two ends of the protection rope 52 will pull the tension sensor, the tension sensor sends a trigger signal after its tension measurement exceeds a set value, in other embodiments, the detection unit may be a photoelectric sensor, the end of the protection rope 52 is provided with a mark position, when the middle section of the protection rope 52 is subjected to an external force, both ends of the protection rope 52 move, thereby causing the flag bit to move, the flag bit being undetectable by the photosensor, which sends a trigger signal. The emergency stop button is arranged on the protective frame 51 and electrically connected with the emergency stop device, and a user can conveniently perform manual emergency stop on the elliptical printing machine.

Elliptical printing machine during operation, protection machanism 5 can prevent that the user from being too close to platform truck mechanism 2 forms safe region, works as trigger in the time of protection machanism 5, protection machanism 5 can be right elliptical printing machine carries out scram, has increased safe operability.

The utility model discloses oval calico printing machine's printing mechanism is provided with elastic connection spare and thimble mechanism, even the guide pulley with produce mechanical wear between the guide rail, elastic connection spare with thimble mechanism also can be right the guide pulley pastes tightly the guide rail to the circumstances that the blade holder influences the removal because of guide rail wearing and tearing is reduced takes place.

The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.

Claims

1. An elliptical printing machine, comprising:

an elliptical frame comprising an elliptical guide rail;

2. Elliptical printing machine according to claim 1, characterized in that:

the elastic connecting pieces are elastic pieces, mounting grooves are formed in the bottom ends of the two eccentric shafts, and the two ends of each elastic piece are clamped into the mounting grooves in a mode that the elastic surface of each elastic piece is parallel to the axis of the eccentric shaft.

3. Elliptical printing machine according to claim 2, characterized in that:

the thimble mechanism is including the screw seat and the screw that are equipped with the screw hole, screw seat fixed mounting be in scrape on the blade holder, the one end of screw is passed the screw hole supports on the bullet piece.

4. Elliptical printing machine according to claim 1, characterized in that:

the elliptical rack further comprises a plurality of line body frames and two guardrail frames, the line body frames are connected side by side, the two guardrail frames are respectively arranged at two ends of the line body frames, and the elliptical guide rails are arranged on the line body frames and the guardrail frames.

5. Elliptical printing machine according to claim 1, characterized in that:

still include protection machanism, protection machanism sets up the outside of platform truck mechanism, protection machanism includes two protection frames and protection rope, two protection frame sets up respectively on two protection frame, two connect between the protection frame protection rope.

6. Elliptical printing machine according to claim 5, characterized in that:

the protection mechanism further comprises a detection unit and an emergency stop switch device, the detection unit is connected to the end portion of the protection rope, the detection unit detects stress change of the protection rope and sends a trigger signal, and the emergency stop switch device receives the trigger signal and is disconnected.

7. Elliptical printing machine according to claim 6, characterized in that:

the protection mechanism further comprises an emergency stop button, the emergency stop button is arranged on the protection frame, and the emergency stop button is electrically connected with the emergency stop switch device.

8. Elliptical printing machine according to claim 4, characterized in that:

the driving mechanism comprises a motor, a driving wheel and a driven wheel, the driving wheel and the driven wheel are respectively located in the line body frames at two ends, the driving wheel and the driven wheel are driven through a transmission chain, and the transmission chain is in transmission connection with one end of the transportation bedplate.

9. Elliptical printing machine according to any of claims 1 to 8, characterised in that:

the printing mechanism further comprises a fine adjustment device, the fine adjustment device comprises a front fine adjustment portion and a rear fine adjustment portion, the front fine adjustment portion and the rear fine adjustment portion are arranged oppositely, the front fine adjustment portion is fixedly arranged on the inclined pull frame, and the rear fine adjustment portion is fixedly arranged on the printing head support frame.

10. Elliptical printing machine according to claim 9, characterized in that:

the front fine adjustment part comprises a first adjustment part and a second adjustment part;