CN211165794U

CN211165794U - Oval printing machine

Info

Publication number: CN211165794U
Application number: CN201921517235.2U
Authority: CN
Inventors: 陈洁辉; 邱向亮; 冀万六
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 provides an elliptical printing machine, which comprises a frame, an elliptical guide rail, a plurality of printing tables and a plurality of printing mechanisms; the positioning device comprises a first driving unit, a first positioning block and a first limiting block, and the second positioning device comprises a second driving unit, a second positioning block and a second limiting block; the first positioning block and the second positioning block are fixedly installed at the bottoms of the two ends of the printing platen respectively, the first driving unit and the second driving unit are arranged on the rack, the first limiting block is arranged on the first driving unit, and the second limiting block is arranged on the second driving unit. The utility model discloses an oval calico printing machine is through the removal of two sets of positioner printing platen for the printing platen can not cause the horizontal angle on printing platen both sides to have the deviation because of single positioner location, thereby reduces the position error of printing platen when fixing a position.

Description

Oval printing machine

Technical Field

The utility model relates to a calico printing machine field, concretely relates to oval calico printing machine.

Background

The oval printing machine is applicable to various printing materials, glue and drop, water slurry, printing ink etc. and is applicable to the plane screen printing of cutting-parts such as clothing cutting-parts printing, ready-made clothes, trousers, socks, umbrella, the printing technology who is suitable for: and (5) carrying out thick plate discharge dyeing, and combining with a pressing machine to carry out gold stamping, silver stamping and the like.

Oval calico printing machine is as an automatic printing equipment, and oval calico printing machine's printing platen passes through the gyro wheel and removes or through the transmission chain transmission in the guide rail inslot, and the print head support is fixed and installs on total rack, when the printing platen is in the below of moving the print head support, and the immediate shutdown, then the drop of the last print head subassembly of print head support prints with the pressfitting of printing platen, and after the printing finishes, the print head subassembly breaks away from the printing platen, and the printing platen leaves under transport mechanism's drive.

When the printing platen stops running, the printing platen needs to be positioned so as to avoid printing errors caused by position deviation. The existing positioning is to perform deceleration stop when a sensor detects that the printing platen is close to a printing head, but because the machining precision of a machine is not enough and the machine moves to generate abrasion, the stop position of the printing platen has errors, which can cause printing errors.

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.

One embodiment of the utility model provides an elliptical printing machine, which comprises a frame, an elliptical guide rail arranged on the frame, a plurality of printing platens arranged on the elliptical guide rail and driven by a driving mechanism, and a plurality of printing mechanisms arranged on the frame; the positioning device comprises a first driving unit, a first positioning block and a first limiting block, wherein the first positioning block is provided with a first opening, and the second positioning block is provided with a second opening; the first positioning block and the second positioning block are respectively and fixedly arranged at the bottoms of the two ends of the printing platen, the first driving unit and the second driving unit are arranged on the rack, the first limiting block is arranged on the first driving unit, and the second limiting block is arranged on the second driving unit; when the printing platen reaches a preset position, the first limiting block is clamped into the first opening under the driving of the first driving unit; the second limiting block is clamped into the second opening under the driving of the second driving unit.

Compared with the prior art, the utility model discloses an oval calico printing machine is through the removal of two sets of positioner printing platen for the printing platen can not cause the horizontal angle on printing platen both sides to have the deviation because of single positioner location, thereby the position error of printing platen when reducing the location makes positioner carry out accurate stable location and avoids printing the error.

Further, the first opening and the second opening are oriented perpendicular to a moving direction of the printing platen. Because the position deviation of the printing bedplate is usually the deviation along the moving direction of the printing bedplate, and the direction of the opening is perpendicular to the moving direction of the printing bedplate, the acting force of the limit block clamped into the opening is also along the moving direction of the printing bedplate, thereby utilizing the limit block to position the printing bedplate to the maximum extent.

Furthermore, the first positioning block and the second positioning block are respectively positioned on two sides of a first central axis at the bottom of the printing platen, and the first central axis is parallel to the movement track of the printing platen. Further avoiding the deviation of the horizontal positions of the two ends of the printing bedplate.

Furthermore, the central axes of the openings of the first opening and the second opening are on the same straight line, the straight line is coincident with the second central axis at the bottom of the printing platen, and the second central axis is perpendicular to the motion track of the printing platen. The device is arranged in the middle of the printing bedplate, and is more beneficial to stabilizing the horizontal position of the printing bedplate.

Further, the opening edges of the first opening and the second opening are provided with chamfers. The chamfer is convenient for the limiting block to be clamped in and reduces abrasion.

Further, the first opening and the second opening are U-shaped openings. When the position is deviated, the limiting block drives the printing bedplate to move when entering the U-shaped opening, and acting force applied to the inner wall of the opening is stronger and more uniform compared with acting force of other shapes such as V-shaped, so that the printing bedplate can be positioned accurately.

Furthermore, the first driving unit and the second driving unit both comprise a positioning cylinder and a piston rod, the positioning cylinder is arranged on the rack, one end of the piston rod is connected to the piston inside the positioning cylinder, the other end of the piston rod extends out of the positioning cylinder, the first limiting block is arranged at the other end of the piston rod of the first driving unit, and the second limiting block is arranged at the other end of the piston rod of the second driving unit. The positioning cylinder can drive the limiting block to move in a reciprocating mode and can provide enough positioning force.

Further, the piston rod of the first driving unit is parallel to the central axis of the first opening, and the piston rod of the second driving unit is parallel to the central axis of the second opening.

Further, the printing platen comprises a guide rod sleeve provided with a through hole, a platen, a guide rod, a support frame and two springs, the guide rod sleeve is installed at the bottom of the platen, the guide rod penetrates through the through hole and is installed on the support frame, the two springs are respectively sleeved at two ends of the guide rod, one end of each spring is in contact with the support frame, and the other end of each spring tightly pushes the guide rod sleeve along the axis direction of the guide rod; the support frame is arranged on the elliptical guide rail and is driven by a driving mechanism; the first positioning block and the second positioning block are fixedly arranged at the bottom of the bedplate respectively. The mechanism enables the bedplate to form a floating bedplate, so that positioning errors caused by position errors of the positioning block and the limiting block are eliminated, the bedplate can be better driven to move to an accurate position along the guide rod by acting force generated when the limiting block is clamped into the positioning block, the positioning errors are corrected, and the bedplate is restored to the original position after printing is finished, so that the precision of the machine is conveniently adjusted.

Further, the axis of the guide rod is parallel to the moving track of the printing bedplate.

In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of an elliptical printing machine according to an embodiment of the present invention;

FIG. 2 is a schematic side view of a printing platen of the elliptical printing machine shown in FIG. 1 after concealing a first positioning device and a second positioning device;

FIG. 3 is a schematic view of the other side of the printing platen of the elliptical printing machine shown in FIG. 1;

FIG. 4 is a schematic view of the configuration of the bottom of the printing platen of the elliptical printing machine shown in FIG. 1;

fig. 5 is a schematic structural view of a first driving unit and a second driving unit of the elliptical printing machine shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, which is a schematic structural diagram of an elliptical printing machine according to an embodiment of the present invention, the elliptical printing machine includes a frame 10, an elliptical guide rail 20 disposed on the frame 10, a plurality of printing platens 30 disposed on the elliptical guide rail 20 and driven by a driving mechanism (not shown), a plurality of printing mechanisms 40 disposed on the frame 10, a first positioning device, and a second positioning device. Wherein, the driving mechanism drives the printing platen 30 to move along the elliptical guide rail 20, when the printing platen 30 moves to the printing mechanism 40, the printing platen 30 needs to be positioned and fixed at the printing mechanism 40 by the first positioning device and the second positioning device, so that the printing mechanism 40 can stably print the printed product on the printing platen 30.

Please refer to fig. 2, which is a schematic side view of the printing platen of the elliptical printing machine shown in fig. 1 after hiding the first positioning device and the second positioning device, the printing platen 30 comprises a guide rod sleeve 31 provided with a through hole, a platen 32, a guide rod 33, a U-shaped support frame 34 and two springs 35, the guide rod sleeve 31 is installed on the installation plate 36 at the middle position of the bottom of the bedplate 32, the guide rods 33 pass through the through holes and are mounted on two opposite sides of the U-shaped support frame 34, the connecting line of the centers of the two tail ends of the U-shaped supporting frame 34 is parallel to the moving direction of the printing bedplate 30, the two springs 35 are respectively sleeved at the two ends of the guide rod 33, one end of the spring 35 is in contact with the support bracket 34, and the other end of the spring 35 tightly pushes the guide rod sleeve 31 along the axial direction of the guide rod 33, so that the guide rod sleeve 31 is kept at a balanced position; the support frame 34 is disposed on the elliptical guide rail 20 through the guide wheel 341 and driven by the driving mechanism, however, the support frame 34 needs to be disposed according to the type of the elliptical guide rail 20, for example, when the guide rail is a chain, the support frame 34 is disposed on the chain through a gear or other mechanism. Preferably, a connecting line of centers of two ends of the U-shaped supporting frame 34 is parallel to a moving direction of the printing platen 30, and the guide rod 33 is parallel to a moving track of the printing platen 30, so that the buffering effect is good, and the guide rod sleeve 31 does not generate a force deviating from an axial direction of the guide rod 33. It should be noted that the U-shaped support frame 34 may also be another support frame 34 with a shape like a "mouth" or a "V". In some embodiments, when platen 32 is larger or for platen 32 to be smoother, platen 32 is better stabilized by supporting platen 32 with two guide bar sleeves 31, and positioning guide bar sleeves 31 near the ends of guide bar 33 also saves spring 35 length. It should be noted that, in some embodiments, the guide rod sleeve 31, the guide rod 33, the U-shaped support bracket 34, the two springs 35 and the mounting plate 36 are not used, and in this case, the transmission mechanisms such as the guide wheels can be directly disposed at the bottom of the platen 31.

Please refer to fig. 3 and fig. 4, which are a schematic structural diagram of the other side of the printing platen of the elliptical printing machine and a schematic structural diagram of the bottom of the printing platen of the elliptical printing machine shown in fig. 1, where the first positioning device includes a first driving unit 51, a first positioning block 53 provided with a first opening 52, and a first stopper 54, and the second positioning device includes a second driving unit 61, a second positioning block 63 provided with a second opening 62, and a second stopper 64.

The first positioning block 53 and the second positioning block 63 are respectively and fixedly installed at the bottom of the two ends of the printing platen 30, and when the mounting plate 36 is arranged at the bottom of the printing platen, the first positioning block and the second positioning block are installed at the bottom of the two ends of the mounting plate 36.

The first opening 52 and the second opening 62 are oriented perpendicular to the moving direction of the printing platen 30, so that the printing platen 30 cannot move along the guide rail after the stopper is inserted into the opening. In some embodiments, the bottom of the printing platen 30 has a first central axis parallel to the movement track of the printing platen 30, and the first positioning block 53 and the second positioning block 63 are respectively located on two sides of the first central axis of the bottom of the printing platen 30. Preferably, the first positioning block 53 and the second positioning block 63 are symmetrically located on both sides of the first central axis of the bottom of the printing platen 30, and it should be noted that when the printing platen is provided with the guide rod sleeve 31, the guide rod 33, the U-shaped support bracket 34, the two springs 35 and the mounting plate 36, the positioning blocks may be located slightly away from these structures due to the shift of the center of gravity rather than symmetrically located on both sides of the first axis. In addition, in some embodiments, the bottom of the printing platen 30 has a second central axis 37 perpendicular to the movement track of the printing platen 30, and the central axes of the openings of the first opening 52 and the second opening 62 are on the same line, which is coincident with the second central axis 37 of the bottom of the printing platen 30. The central axis is directed to the printing platen 30 having a standard shape, such as a rectangle, a circle, a regular polygon, etc., and the first positioning block 53 and the second positioning block 63 having an irregular shape are symmetrically distributed at the center of gravity of the printing platen 30, so that the horizontal angle is not deviated due to the difference in height between the two ends of the platen 32 during positioning. In some embodiments, when the mounting plate 36 is disposed at the bottom of the printing platen 30, the first positioning block 53 and the second positioning block 63 are respectively fixedly mounted at the bottom of the mounting plate 36, as described above.

In some embodiments, the opening edges of the first opening 52 and the second opening 62 are chamfered to better limit the cut-outs. In some embodiments, the first opening 52 and the second opening 62 are U-shaped openings, which are more stable to the positioning force of the printing platen 30 than V-shaped openings, but the openings may have other shapes, such as concave shapes and circular arc shapes, and in some embodiments, when the openings of the positioning block are U-shaped, the stoppers may be cylindrical bearings with sizes matching the openings.

Please refer to fig. 5, which is a schematic structural diagram of the first driving unit and the second driving unit of the elliptical printing machine shown in fig. 1. The first driving unit 51 and the second driving unit 61 both include a positioning cylinder 511 and a piston rod 512, the positioning cylinder 511 is disposed on the frame 10, one end of the piston rod 512 is connected to the piston inside the positioning cylinder 511, the other end of the piston rod 512 extends out of the positioning cylinder 511, the first limiting block 54 is disposed on the other end of the piston rod 512 of the first driving unit 51 through a mounting seat 513, and the second limiting block 64 is disposed on the other end of the piston rod 512 of the second driving unit 61 through the mounting seat 513. When the printing platen 30 reaches a predetermined position, the first stopper 54 is driven by the first driving unit 51 to be clamped into the first opening 52; the second stopper 64 is driven by the second driving unit 61 to be inserted into the second opening 62. Preferably, the piston rod 512 of the first driving unit 51 is parallel to the central axis of the first opening 52, the piston rod 512 of the second driving unit 61 is parallel to the central axis of the second opening 62, and the piston rod 512 of the positioning cylinder 511 is parallel to the central axis of the opening so as to be inserted into the opening along the direction opposite to the opening direction of the opening. Of course in some embodiments the snap-in may also be from other directions, for example in a direction perpendicular to the direction of the opening. It should be noted that the mounting seat 513 is installed on the piston rod 512 for convenience of limiting the stopper. In addition, in some embodiments, the drive unit may also be another type of drive device, such as an electrically driven push rod, or the stopper may be pushed out, for example by a spring, which is compressed to retract the stopper when positioning is not required.

The utility model discloses an oval calico printing machine's positioner, through the removal of two sets of positioner printing platen for the printing platen can not cause the horizontal angle on printing platen both sides to have the deviation because of single positioner location, thereby the position error of printing platen when reducing the location makes positioner carry out accurate stable location and avoids printing the error.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. An elliptical printing machine comprising:

the frame with set up oval guide rail in the frame sets up by a plurality of printing platen of actuating mechanism drive on the oval guide rail to and set up a plurality of printing mechanism in the frame, its characterized in that still includes:

the positioning device comprises a first positioning device and a second positioning device, wherein the first positioning device comprises a first driving unit, a first positioning block and a first limiting block, the first positioning block is provided with a first opening, and the second positioning device comprises a second driving unit, a second positioning block and a second limiting block, the second positioning block is provided with a second opening;

the first positioning block and the second positioning block are respectively and fixedly arranged at the bottoms of the two ends of the printing platen, the first driving unit and the second driving unit are arranged on the rack, the first limiting block is arranged on the first driving unit, and the second limiting block is arranged on the second driving unit;

when the printing platen reaches a preset position, the first limiting block is clamped into the first opening under the driving of the first driving unit; the second limiting block is clamped into the second opening under the driving of the second driving unit.

2. Elliptical printing machine according to claim 1, characterized in that: the first opening and the second opening are oriented perpendicular to a direction of movement of the printing platen.

3. Elliptical printing machine according to claim 1, characterized in that: the first positioning block and the second positioning block are respectively positioned on two sides of a first central axis at the bottom of the printing platen, and the first central axis is parallel to the movement track of the printing platen.

4. Elliptical printing machine according to claim 1, characterized in that: the central axes of the first opening and the second opening are on the same straight line, the straight line is coincident with the second central axis at the bottom of the printing platen, and the second central axis is perpendicular to the motion track of the printing platen.

5. Elliptical printing machine according to claim 1, characterized in that: the edges of the first opening and the second opening are provided with chamfers.

6. Elliptical printing machine according to any of claims 1 to 5, characterised in that: the first opening and the second opening are U-shaped openings.

7. Elliptical printing machine according to claim 1, characterized in that: the first driving unit and the second driving unit comprise positioning cylinders and piston rods, the positioning cylinders are arranged on the rack, one ends of the piston rods are connected to the piston inside the positioning cylinders, the other ends of the piston rods stretch out of the positioning cylinders, the first limiting blocks are arranged at the other ends of the piston rods of the first driving unit, and the second limiting blocks are arranged at the other ends of the piston rods of the second driving unit.

8. Elliptical printing machine according to claim 7, characterized in that: the piston rod of the first driving unit is parallel to the central axis of the first opening, and the piston rod of the second driving unit is parallel to the central axis of the second opening.

9. Elliptical printing machine according to claim 1, characterized in that: the printing platen comprises a guide rod sleeve provided with a through hole, a platen, a guide rod, a support frame and two springs, the guide rod sleeve is installed at the bottom of the platen, the guide rod penetrates through the through hole and is installed on the support frame, the two springs are respectively sleeved at two ends of the guide rod, one end of each spring is in contact with the support frame, and the other end of each spring tightly pushes the guide rod sleeve along the axis direction of the guide rod; the support frame is arranged on the elliptical guide rail and is driven by a driving mechanism;

the first positioning block and the second positioning block are fixedly arranged at the bottom of the bedplate respectively.

10. Elliptical printing machine according to claim 9, characterized in that: the axis of the guide rod is parallel to the moving track of the printing bedplate.