CN219009439U

CN219009439U - Centering device of digital printing machine

Info

Publication number: CN219009439U
Application number: CN202223303508.8U
Authority: CN
Inventors: 岳双君; 曹剑云; 岳晟
Original assignee: Wuxi Design Digital Science & Technology Co ltd
Current assignee: Wuxi Design Digital Science & Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-12
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of printing machine processing, in particular to a centering device of a digital printing machine, which comprises a bottom plate, wherein a driven roller is rotationally connected to the bottom plate, piston rods are respectively led out from two sides of the plate surface of the bottom plate outwards, movable brackets are respectively arranged at the upper half parts of the outer side surfaces of mounting plates positioned at two sides, the lower ends of the movable brackets are in transmission connection with the end parts of the piston rods, a transverse frame is arranged at the bottom of the mounting plates, sliding blocks are slidingly connected to the transverse frame, the sliding blocks are in transmission connection with the movable brackets through connecting rods, the bottom of each sliding block pushes the driven roller to axially move along a shaft rod of a supporting shaft.

Description

Centering device of digital printing machine

Technical Field

The utility model relates to the technical field of printing machine processing, in particular to a centering device of a digital printing machine.

Background

In the printing process of the digital printing machine, the fabric needs to be ensured to smoothly enter and cannot deviate, so that the whole pattern is ensured to be centered when the fabric is subjected to color printing. At present, a centering device for preventing deviation of a digital printing machine is mostly provided with a driven roller on a cloth feeding machine, the roller can axially float in a specified stroke to achieve the aim of centering, and the driven roller with the design scheme can axially float, but the position of a roller body cannot be always kept fixed, so that after the roller body works for a long time, certain deviation still can be generated due to vibration of the roller body, and the quality of a subsequent fabric printing product is affected.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a centering device of a digital printing machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a centring means of digital printing machine, includes the bottom plate, the last face both sides border edge of bottom plate is provided with the mounting panel respectively, rotates through the back shaft between the mounting panel on both sides and is connected with the driven roller, the face both sides of bottom plate are provided with the pneumatic cylinder respectively, and the piston rod is outwards drawn forth to the output of pneumatic cylinder, and the lateral surface that is located the mounting panel on both sides is first respectively provided with the mounting bracket, and the rotation is connected with movable support in the mounting bracket, the lower extreme of movable support with the end transmission of piston rod is connected be provided with the crossbearer on the mounting bracket, sliding connection has the sliding block on the crossbearer, is provided with the connecting rod on the sliding block, and the movable end and the end rotation of movable support of connecting rod are connected, and the sliding block that is located both sides is moved to being close to or keeping away from the direction of driven roller respectively to the bottom of sliding block promotes this driven roller along the axostylus axostyle axial displacement of back shaft.

In a preferred technical scheme, the movable support is of an L-shaped structure, and the bent part of the movable support is rotatably connected to the mounting frame through a rotating shaft.

In a preferred technical scheme, the lower end of the long arm of the movable support is provided with a waist-shaped groove, and an end block arranged at the front end of the piston rod is arranged in the waist-shaped groove and is in sliding fit with the waist-shaped groove.

In a preferred technical scheme, the movable end of the connecting rod is rotatably connected with the short arm end of the movable support, and the fixed end of the connecting rod is rotatably connected with the sliding block.

In a preferred technical scheme, the cross frame is erected above the mounting plate, a U-shaped notch is formed in the cross frame, and sliding grooves for linear sliding of the sliding block are respectively formed in the inner side faces of two arms of the U-shaped notch.

In a preferred technical scheme, the surface of the shaft lever of the supporting shaft is provided with a spline, the driven roller is sleeved on the supporting shaft, and the driven roller slides on the shaft lever of the supporting shaft along the spline.

The beneficial effects of the utility model are as follows:

1. the driven roller is pushed to slide on the supporting shaft along a straight line by a sliding block on one side controlled by a hydraulic cylinder, so that the centering effect can be achieved.

2. The sliding blocks on two sides are controlled by the two hydraulic cylinders to simultaneously lean against the driven roller, so that the sliding blocks can be utilized to restrain the position of the driven roller, and the axial movement of the driven roller is prevented.

In summary, through the centering device that this scheme provided, the problem that the passive roller of digital printing machine can't keep the roll body fixed after the centering finishes, lead to producing the stamp deviation is solved, this centering device's propose, the staff can control the centering mechanism on one side as initiative correction equipment according to the position of fabric and carry out the position adjustment to the passive roller, wait that passive roller position adjustment finishes, the centering mechanism of both sides is controlled respectively and is carried out spacingly to the passive roller in the centre of arranging, prevents that it from taking place axial float, reduces the deviation.

Drawings

FIG. 1 is a schematic diagram of a front view of a centering device according to the present utility model;

FIG. 2 is a schematic top view of a centering mechanism according to the present utility model;

fig. 3 is a schematic diagram of an assembly structure of a support shaft and a driven roller according to the present utility model.

In the figure: 1. a bottom plate; 2. a mounting plate; 3. a support shaft; 4. a passive roller; 5. a hydraulic cylinder; 6. a piston rod; 7. a mounting frame; 8. a rotation shaft; 9. a movable bracket; 10. a connecting rod; 11. a cross frame; 12. a sliding block; 13. a chute; 14. and (3) a spline.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In this embodiment, referring to fig. 1-3, a centering device of a digital printing machine includes a base plate 1, two edges of an upper plate surface of the base plate 1 are respectively provided with mounting plates 2, driven rollers 4 are rotatably connected between the mounting plates 2 on two sides through a support shaft 3, splines 14 are arranged on the surface of a shaft lever of the support shaft 3, the driven rollers 4 are sleeved on the support shaft 3, and the driven rollers 4 slide on the shaft lever of the support shaft 3 along the splines 14.

The face both sides of bottom plate 1 are provided with pneumatic cylinder 5 respectively, the piston rod 6 is outwards drawn forth to the output of pneumatic cylinder 5, the lateral surface top half of mounting panel 2 that is located both sides is provided with mounting bracket 7 respectively, the 7 internal rotation of mounting bracket is connected with movable support 9, the lower extreme and the tip transmission of piston rod 6 of movable support 9 are connected, be provided with crossbearer 11 on mounting bracket 7, crossbearer 11 erects in mounting panel 2 top, and set up out the U font breach on crossbearer 11, the spout 13 that is used for slider 12 sharp sliding usefulness is seted up respectively to the both arms medial surface in this U font breach, sliding connection has slider 12 on the crossbearer 11.

Be provided with connecting rod 10 on the sliding block 12, the expansion end of connecting rod 10 rotates with the tip of movable support 9 to be connected, it is clear that, combine fig. 1, movable support 9 is L type structure, the department of buckling of movable support 9 rotates through rotation axis 8 to be connected on mounting bracket 7, waist type groove is seted up to the long arm lower extreme of movable support 9, and the end block that the front end of piston rod 6 set up is arranged in waist type groove and with this waist type groove slip adaptation, the expansion end of connecting rod 10 rotates with the short arm end of movable support 9 to be connected, the stiff end of connecting rod 10 rotates with sliding block 12 to be connected.

The sliding blocks 12 on both sides move in directions approaching or separating from the driven roller 4, respectively, and the bottom of the sliding block 12 pushes the driven roller 4 to move axially along the shaft lever of the support shaft 3.

During the embossing process, the fabric is transported through the roll surface of the driven roll 4, the axial position of the driven roll 4 on the support shaft 3 being adjusted in the centering. When the centering correction is needed, the piston rod 6 on one side is controlled to retract inwards, the sliding block 12 is pushed forwards under the transmission action of the movable bracket 9, the sliding block 12 can push the driven roller 4 to axially slide along the spline 14, after the positions are aligned, the piston rod 6 on the other side is started again, the sliding block 12 on the other side is also close to the driven roller 4, so that when the two sides of the driven roller 4 are respectively restrained by the sliding block 12, the axial movement of the driven roller 4 can be limited. It should be specifically mentioned that when the position of the driven roller 4 is corrected, the position of the sliding block 12 may be retracted slightly, so as to ensure that a certain gap is reserved between the end surface of the driven roller 4 and the sliding block 12, and the existence of the gap will not affect the rotation of the driven roller 4, and also can limit the axial movement of the driven roller 4, thereby ensuring that the fabric conveying process is performed smoothly.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a centring means of digital printing machine, includes bottom plate (1), the last face both sides border edge of bottom plate (1) is provided with mounting panel (2) respectively, rotates through back shaft (3) between mounting panel (2) on both sides and is connected with driven roller (4), a serial communication port, the face both sides of bottom plate (1) are provided with pneumatic cylinder (5) respectively, the piston rod (6) are outwards drawn forth to the output of pneumatic cylinder (5), the lateral surface upper half that is located mounting panel (2) on both sides is provided with mounting bracket (7) respectively, mounting bracket (7) internal rotation is connected with movable support (9), the lower extreme of movable support (9) with the tip transmission of piston rod (6) is connected be provided with crossbearer (11) on mounting bracket (7), sliding connection has sliding block (12) on crossbearer (11), be provided with connecting rod (10) on sliding block (12), the tip rotation of connecting rod (10) and movable support (9) tip rotation connection, sliding block (12) that are located both sides are close to or keep away from driven roller (4) respectively to the direction that the bottom of sliding block (9) is moved along the axial direction of the driven roller (4).

2. The centering device of the digital printing machine according to claim 1, wherein the movable support (9) is of an L-shaped structure, and the bending part of the movable support (9) is rotatably connected to the mounting frame (7) through a rotating shaft (8).

3. Centring device of digital printing machine according to claim 2, characterized in that the lower end of the long arm of the movable support (9) is provided with a waist-shaped groove, and the end block provided at the front end of the piston rod (6) is placed in the waist-shaped groove and slidingly fitted with the waist-shaped groove.

4. Centring device of a digital printing machine according to claim 2, characterized in that the movable end of the connecting rod (10) is in rotational connection with the short arm end of the movable support (9), and the fixed end of the connecting rod (10) is in rotational connection with the slider (12).

5. The centering device of a digital printing machine according to claim 1, wherein the cross frame (11) is erected above the mounting plate (2), and a U-shaped notch is formed in the cross frame (11), and sliding grooves (13) for linear sliding of the sliding block (12) are formed in inner side surfaces of two arms of the U-shaped notch respectively.

6. Centring device of a digital printing machine according to claim 1, characterized in that the shaft surface of the support shaft (3) is provided with splines (14), the driven roller (4) is sleeved on the support shaft (3), and the driven roller (4) slides along the splines (14) on the shaft of the support shaft (3).