CN113666156A

CN113666156A - Yardage roll blowing device and digital air brushing equipment

Info

Publication number: CN113666156A
Application number: CN202111006059.8A
Authority: CN
Inventors: 李文锋; 徐星; 江洪; 郑俊雄
Original assignee: Shenzhen Runtianzhi Digital Equipment Co Ltd
Current assignee: Shenzhen Runtianzhi Digital Equipment Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2021-11-19

Abstract

The invention provides a yardage roll emptying device and a digital painting device, which are used for outputting cloth required by printing of the digital painting device, wherein the yardage roll emptying device comprises a rack, a supporting component, a driving component, a braking component and a tensioning component; the support assembly comprises an inflatable shaft sleeved with a cloth roll; the brake assembly comprises a brake part for limiting the rotation of the inflatable shaft; the tensioning assembly comprises a tensioning roller and a swing arm, the tensioning roller is arranged in parallel with the physiosis shaft and used for tensioning cloth, the swing arm is used for connecting the tensioning roller to the rack, an installation part is arranged on the rack and used for rotating the swing arm, the swing arm can rotate relative to the rack by taking the installation part as a rotation center and drive the tensioning roller to move relative to the rack, and when the tensioning roller moves downwards, the tensioning cloth drives the braking piece to limit the rotation of the physiosis shaft. The yardage roll emptying device and the digital painting equipment provided by the invention can brake yardage rolls in time, prevent the yardage rolls from continuously rotating and loosening under the inertia effect, and ensure the quality of cloth emptying.

Description

Yardage roll blowing device and digital air brushing equipment

Technical Field

The invention belongs to the technical field of printing equipment, and particularly relates to a cloth roll discharging device and digital spray painting equipment.

Background

The digital inkjet printer is capable of printing patterns, LOGO and characters of various products on textile fabric in colors such as colors, any complex colors, transition colors and the like, does not need plate making, color register and complex plate drying procedures, does not damage the surface of the fabric, and obtains high evaluation of people in various industries since the products are on the market. When a cloth roll discharging mechanism of a digital inkjet printer in the prior art discharges materials, a sensor and a Programmable Logic Controller (PLC) are used for controlling a driving motor to start and stop cooperatively, the sensor receives a starting signal, then the driving motor starts and discharges materials, and the PLC presets the rotation time of the driving motor, so that the driving motor is controlled to start and stop and the cloth discharging amount is controlled; however, the technology requires complex components and needs PLC control, and the manufacturing cost is high; in the operation process, the cloth releasing speed and the cloth releasing length can be changed along with the change of the radius and the mass of the cloth roll, the driving motor can only brake the cloth, the cloth roll cannot be braked in time, the cloth roll continuously rotates under the action of inertia to be in a loose state, and the cloth releasing quality is influenced.

Disclosure of Invention

The invention aims to provide a yardage roll discharging device and digital printing equipment, and aims to solve the technical problems that in the prior art, a yardage roll discharging mechanism of a digital printing machine is complex in structure, high in manufacturing cost and incapable of braking a yardage roll in time, so that the yardage roll continuously rotates in a loose state under the action of inertia, and the cloth discharging quality is influenced.

In order to achieve the purpose, the invention adopts the technical scheme that: the cloth roll discharging device comprises a rack, a supporting component, a driving component, a braking component and a tensioning component, wherein the supporting component is rotatably arranged on the rack and used for mounting a cloth roll, the driving component is used for driving the cloth roll to rotate and outputting cloth, the braking component is used for limiting the supporting component to rotate relative to the rack, and the tensioning component is used for tensioning the cloth roll; the support assembly comprises an inflatable shaft sleeved with the cloth roll; the brake assembly comprises a brake part which is fixedly connected with the tensioning assembly and is used for limiting the rotation of the inflatable shaft; tensioning assembly include with physiosis axle parallel arrangement just is used for the tensioning roller of cloth with be used for with the tensioning roller is connected swing arm in the frame, be provided with in the frame and be used for rotating the connection the installation department of swing arm, the swing arm can with the installation department is relative for the rotation center the frame rotates and drives the tensioning roller is relative the frame removes, and works as tensioning when tensioning roller moves down the cloth drives the braking piece restriction the physiosis axle rotates.

In one embodiment, the mounting portion is a mounting shaft rotatably disposed on the frame, one end of the swing arm is connected to the tension roller, the other end of the swing arm is provided with a connecting hole through which the mounting portion penetrates, and a rolling bearing disposed in the connecting hole and sleeved on the periphery of the mounting portion is disposed in the swing arm; the quantity of swing arm is two, two the swing arm sets up respectively the both ends of tensioning roller.

In one embodiment, the braking member is a braking belt, one end of the braking member is fixedly connected with the swing arm, the other end of the braking member is fixedly connected with the rack, and a fixing seat for fixedly connecting the braking member is arranged on the rack.

In one embodiment, the brake assembly further comprises a brake disc fixedly connected with the inflatable shaft, and a limiting groove for placing the brake member is formed in the circumferential side wall of the brake disc in an inward concave mode.

In one embodiment, the brake disc is provided with a guide part at the circumferential side wall of the limit groove for limiting the moving direction of the braking part.

In one embodiment, the support assembly further comprises a connecting shaft for fixedly connecting the brake disc and a coupler for connecting the air inflation shaft and the connecting shaft, and the rack is provided with a fixing part for mounting the coupler.

In one embodiment, the coupling is a safety chuck.

In one embodiment, the bottom of the rack is provided with a plurality of supporting seats, and the supporting seats are uniformly distributed along the circumferential direction of the bottom surface of the rack.

In one embodiment, the cloth roll emptying device further comprises a plurality of moving assemblies arranged at the bottom of the rack, the moving assemblies are uniformly distributed along the circumferential direction of the bottom surface of the rack, and each moving assembly comprises a fixed frame fixedly connected with the rack and a roller rotatably arranged on the fixed frame.

The invention also provides digital spray painting equipment which comprises a printing device and the cloth roll discharging device.

The yardage roll emptying device provided by the invention has the beneficial effects that: compared with the prior art, the yardage roll emptying device is used for outputting cloth required by printing of a digital printing device, and comprises a rack, a support assembly and a driving component, wherein the support assembly is rotatably arranged on the rack and used for mounting a yardage roll, the driving component is used for driving the yardage roll to rotate and outputting the cloth, the support assembly comprises an inflatable shaft sleeved with the yardage roll, the inner wall of the yardage roll is abutted and fixed with the axial outer wall of the inflatable shaft by sleeving the yardage roll on the inflatable shaft of the support assembly, the support assembly is rotatably arranged on the rack, and when the driving component drives the yardage roll to rotate and outputs the cloth, the support assembly is driven by the yardage roll to rotate relative to the rack; the cloth roll discharging device also comprises a braking component and a tensioning component which are used for limiting the rotation of the supporting component relative to the frame, the braking component comprises a braking part which is fixedly connected with the tensioning component and is used for limiting the rotation of the inflatable shaft, the tensioning component comprises a tensioning roller which is arranged in parallel with the inflatable shaft and is used for tensioning cloth and a swinging arm which is used for connecting the tensioning roller to the frame, the frame is provided with an installation part which is used for rotatably connecting the swinging arm, the swinging arm can rotate relative to the frame by taking the installation part as a rotation center and drive the tensioning roller to move relative to the frame, and the tensioning roller tensions the cloth and drives the braking part to limit the rotation of the inflatable shaft when moving downwards, the swinging arm which is rotatably connected with the tensioning component is arranged on the frame, so that the swinging arm can rotate relative to the frame by taking the installation part as a rotation center and drive the tensioning roller to move relative to the frame, and further drive the braking part which is fixedly connected with the tensioning component to abut against or be far away from the supporting component, thereby realizing the restriction of the rotation of the air inflation shaft relative to the frame, and simultaneously tensioning the cloth output by the tensioning roller arranged in parallel with the air inflation shaft; in the operation process, when the driving part drives the yardage roll to rotate relative to the rack and output the cloth, the tensioning assembly is driven by the cloth, the swing arm rotates relative to the rack by taking the mounting part as a rotation center and drives the tensioning roller to move upwards relative to the rack, and the braking part fixedly connected with the tensioning assembly is far away from the supporting assembly; when the driving part stops working, the cloth roll continues to rotate under the action of inertia and outputs a small amount of cloth, so that under the action of gravity, the swing arm rotates relative to the rack by taking the mounting part as a rotation center and drives the tensioning roller to move downwards relative to the rack; effectively simplify the component structure of yardage roll blowing device, can in time brake the yardage roll, prevent that the yardage roll from continuously rotating under the inertia and being lax form, the guarantee quality of releasing.

The digital spray painting equipment provided by the invention has the beneficial effects that: compared with the prior art, the digital painting equipment comprises a printing device and the cloth roll discharging device, wherein the cloth roll discharging device outputs cloth required by printing of the printing device; the cloth roll discharging device comprises a rack, a supporting assembly and a driving component, wherein the supporting assembly is rotatably arranged on the rack and used for mounting a cloth roll, the driving component is used for driving the cloth roll to rotate and outputting cloth, the supporting assembly comprises an inflatable shaft sleeved with the cloth roll, the inner wall of the cloth roll is abutted and fixed with the axial outer wall of the inflatable shaft by sleeving the cloth roll on the inflatable shaft of the supporting assembly, the supporting assembly is rotatably arranged on the rack, when the printing device needs to print cloth, the driving component of the cloth roll discharging device drives the cloth roll to rotate and output the cloth, and the supporting assembly is driven by the cloth roll to rotate relative to the rack; the cloth roll discharging device also comprises a braking component and a tensioning component which are used for limiting the rotation of the supporting component relative to the frame, the braking component comprises a braking part which is fixedly connected with the tensioning component and is used for limiting the rotation of the inflatable shaft, the tensioning component comprises a tensioning roller which is arranged in parallel with the inflatable shaft and is used for tensioning cloth and a swinging arm which is used for connecting the tensioning roller to the frame, the frame is provided with an installation part which is used for rotatably connecting the swinging arm, the swinging arm can rotate relative to the frame by taking the installation part as a rotation center and drive the tensioning roller to move relative to the frame, and the tensioning roller tensions the cloth and drives the braking part to limit the rotation of the inflatable shaft when moving downwards, the swinging arm which is rotatably connected with the tensioning component is arranged on the frame, so that the swinging arm can rotate relative to the frame by taking the installation part as a rotation center and drive the tensioning roller to move relative to the frame, and further drive the braking part which is fixedly connected with the tensioning component to abut against or be far away from the supporting component, thereby realizing the restriction of the rotation of the air inflation shaft relative to the frame, and simultaneously tensioning the cloth output by the tensioning roller arranged in parallel with the air inflation shaft; in the operation process, when the printing device needs cloth to print, a driving part of the cloth roll discharging device drives a cloth roll to rotate relative to the rack and output the cloth, the tensioning assembly is driven by the cloth, the swing arm rotates relative to the rack by taking the mounting part as a rotation center and drives the tensioning roller to move upwards relative to the rack, and a braking part fixedly connected with the tensioning assembly is far away from the supporting assembly; when the printing device finishes a printing task, the driving part stops working, the cloth roll continues to rotate under the action of inertia and outputs a small amount of cloth, so that under the action of gravity, the swing arm rotates relative to the rack by taking the mounting part as a rotation center and drives the tensioning roller to move downwards relative to the rack, when the braking part is abutted against the supporting component, the inflatable shaft is limited to rotate relative to the rack, the cloth roll is further limited to rotate and stop outputting the cloth, and meanwhile, the tensioning roller tensions the output cloth; effectively simplify digital inkjet printing equipment's yardage roll blowing device's component structure, can in time brake the yardage roll, prevent that the yardage roll from continuously rotating under the inertia and being lax form, guarantee and put the cloth quality, and then guarantee digital inkjet printing equipment's printing quality.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a cloth roll feeding device according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic top view of a cloth roll discharging device according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

fig. 5 is a schematic side view of a cloth roll discharging device according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. rolling; 11. distributing; 2. a frame; 21. an installation part; 22. a fixed seat; 23. a supporting seat; 24. a moving assembly; 241. a fixed mount; 242. a roller; 3. a support assembly; 31. an inflatable shaft; 32. a connecting shaft; 33. a coupling; 4. a brake assembly; 41. a stopper; 42. a brake disc; 421. a limiting groove; 422. a guide portion; 5. a tension assembly; 51. a tension roller; 52. swinging arms; 521. connecting holes; 522. a rolling bearing.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1, fig. 3 and fig. 5 together, a yardage roll emptying device provided by an embodiment of the present invention is used for outputting a cloth 11 required by printing of a digital inkjet device, and includes a frame 2, a support assembly 3 rotatably disposed on the frame 2 and used for mounting a yardage roll 1, and a driving component for driving the yardage roll 1 to rotate and outputting the cloth 11, where the support assembly 3 includes an inflatable shaft 31 on which the yardage roll 1 is sleeved, and by sleeving the yardage roll 1 on the inflatable shaft 31 of the support assembly 3, the inner wall of the yardage roll 1 is abutted and fixed to the axial outer wall of the inflatable shaft 31, and the support assembly 3 is rotatably disposed on the frame 2, and when the driving component drives the yardage roll 1 to rotate and outputs the cloth 11, the support assembly 3 is driven by the yardage roll 1 to rotate relative to the frame 2; the cloth roll discharging device also comprises a braking component 4 and a tensioning component 5 which are used for limiting the supporting component 3 to rotate relative to the frame 2, the braking component 4 comprises a braking component 41 which is fixedly connected with the tensioning component 5 and is used for limiting the rotation of the inflatable shaft 31, the tensioning component 5 comprises a tensioning roller 51 which is arranged in parallel with the inflatable shaft 31 and is used for tensioning the cloth 11 and a swinging arm 52 which is used for connecting the tensioning roller 51 to the frame 2, a mounting part 21 which is used for rotatably connecting the swinging arm 52 is arranged on the frame 2, the swinging arm 52 can rotate relative to the frame 2 by taking the mounting part 21 as a rotation center and drive the tensioning roller 51 to move relative to the frame 2, when the tensioning roller 51 moves downwards, the cloth 11 is tensioned and the braking component 41 is driven to limit the rotation of the inflatable shaft 31, through the mounting part 21 which is arranged on the frame 2 and is used for rotatably connecting the swinging arm 52 of the tensioning component 5, the swinging arm 52 can rotate relative to the frame 2 by taking the mounting part 21 as a rotation center and drive the tensioning roller 51 to move relative to the frame 2, further driving a braking part 41 fixedly connected with the tensioning assembly 5 to abut against or be far away from the supporting assembly 3, so that the rotation of the inflatable shaft 31 relative to the frame 2 is limited, and meanwhile, the tensioning roller 51 arranged in parallel with the inflatable shaft 31 is used for tensioning the output cloth 11; in the operation process, when the driving part drives the cloth roll 1 to rotate relative to the frame 2 and output the cloth 11, the swing arm 52 rotates relative to the frame 2 by taking the mounting part 21 as a rotation center and drives the tension roller 51 to move upwards relative to the frame 2 under the driving action of the cloth 11, and the braking part 41 fixedly connected with the tension assembly 5 is far away from the support assembly 3; when the driving part stops working, the cloth roll 1 continues to rotate under the action of inertia and outputs a small amount of cloth 11, so that under the action of gravity, the swing arm 52 rotates relative to the frame 2 by taking the mounting part 21 as a rotation center and drives the tensioning roller 51 to move downwards relative to the frame 2, when the braking part 41 is abutted against the supporting component 3, the air inflation shaft 31 is limited to rotate relative to the frame 2, the cloth roll 1 is further limited to rotate and stop outputting the cloth 11, and meanwhile, the tensioning roller 51 tensions the output cloth 11; effectively simplify the component structure of yardage roll blowing device, can in time brake yardage roll 1, prevent that yardage roll 1 from continuously rotating under the inertia and being lax form, guarantee to put the cloth quality.

Referring to fig. 1, fig. 2 and fig. 5, as a specific embodiment of the cloth roll discharging device provided in this embodiment, a specific structure of the mounting portion 21 on the frame 2 of the cloth roll discharging device is not limited herein; optionally, the mounting portion 21 is a mounting shaft rotatably disposed on the frame 2, one end of the swing arm 52 is connected to the tensioning roller 51, and the other end of the swing arm is provided with a connecting hole 521 through which the mounting portion 21 penetrates, so that the tensioning assembly 5 is stably mounted on the frame 2, and when the tensioning assembly 5 is driven by the cloth 11, the swing arm 52 rotates relative to the frame 2 with the mounting portion 21 as a rotation center and drives the tensioning roller 51 to move upward relative to the frame 2; when the driving part stops working, the cloth roll 1 continues to rotate under the action of inertia and outputs a small amount of cloth 11, so that under the action of gravity, the swing arm 52 rotates relative to the frame 2 by taking the mounting part 21 as a rotation center and drives the tensioning roller 51 to move downwards relative to the frame 2, when the braking part 41 is abutted against the supporting part 3, the air expanding shaft 31 is limited to rotate relative to the frame 2, the cloth roll 1 is further limited to rotate and stop outputting the cloth 11, and meanwhile, the tensioning roller 51 tensions the output cloth 11, so that the cloth roll 1 can be braked in time, and the cloth roll 1 is prevented from continuously rotating and being loose under the action of inertia; the connection between the swing arm 52 and the tension roller 51 is not limited herein; optionally, the swing arm 52 is positioned in the connecting hole 521 and provided with a rolling bearing 522 for sleeving the periphery of the mounting portion 21, so that the friction force between the swing arm 52 and the mounting portion 21 in the rotation process of the tensioning assembly 5 relative to the frame 2 is reduced, the abrasion of components is reduced, and the service life of the yardage roll discharging device is prolonged; optionally, the number of swing arms 52 is two, and two swing arms 52 set up respectively at the both ends of tensioning roller 51 for tensioning roller 51 removes the in-process atress more even relatively frame 2, and tensioning assembly 5 removes the in-process more steadily relatively frame 2, is favorable to guaranteeing yardage roll blowing device structural stability and reliability.

Referring to fig. 1, fig. 2 and fig. 5, in the present embodiment, specific structure, material and connection manner of the braking component 41 of the braking assembly 4 are not limited, optionally, the braking component 41 is a braking belt, one end of the braking component 41 is fixedly connected to the swing arm 52, and the other end of the braking component 41 is fixedly connected to the frame 2, a fixing seat 22 for fixedly connecting the braking component 41 is disposed on the frame 2, one end of the braking component 41 is fixedly fixed on the frame 2 through the fixing seat 22 on the frame 2, and the other end of the braking component 41 is fixedly connected to the swing arm 52 of the tensioning assembly 5, so that the tensioning assembly 5 can drive the braking component 41 to abut against or be away from the supporting assembly 3 in the process of moving relative to the frame 2, thereby limiting the rotation of the inflator 31 relative to the frame 2, and further limiting the rotation of the cloth roll 1 and stopping outputting the cloth 11. Optionally, the brake assembly 4 further comprises a brake disc 42 fixedly connected with the air inflation shaft 31, a circumferential side wall of the brake disc 42 is recessed inwards to form a limit groove 421 for the brake member 41 to be placed in, when the driving component stops working, the cloth roll 1 continues to rotate under the inertia effect and outputs a small amount of cloth 11, under the action of gravity, the swing arm 52 rotates relative to the frame 2 by taking the mounting part 21 as a rotation center and drives the tension roller 51 to move downwards relative to the frame 2, the braking part 41 moves downwards under the driving action of the swing arm 52 and is placed in the limiting groove 421 on the brake disc 42, the braking part 41 is abutted against the groove bottom of the limiting groove 421 for friction braking to limit the rotation of the air expanding shaft 31 relative to the frame 2, the cloth roll 1 is further limited to rotate and stop outputting the cloth 11, the cloth roll 1 can be braked in time, the cloth roll 1 is prevented from continuously rotating and being loose under the inertia effect, and the cloth unwinding quality is guaranteed; optionally, the brake disc 42 is provided with the guide portion 422 on the circumferential side wall of the limiting groove 421 for limiting the moving direction of the brake member 41, so that the brake member 41 can be accurately placed in the limiting groove 421 on the brake disc 42 under the driving action of the swing arm 52, and the brake member 41 can be abutted against the groove bottom of the limiting groove 421 to perform friction braking, so as to brake the yardage roll 1 in time, thereby facilitating the improvement of the stability and reliability of the operation process of the yardage roll placing device.

Referring to fig. 2 to 4, in this embodiment, the support assembly 3 of the cloth roll discharging device further includes a connecting shaft 32 for fixedly connecting the brake disc 42 and a coupling 33 for connecting the air expanding shaft 31 and the connecting shaft 32, the air expanding shaft 31 and the connecting shaft 32 are fixedly connected by the coupling 33, the connecting shaft 32 is fixedly connected with the brake disc 42, the air expanding shaft 31 is assisted by the brake disc 42 of the brake assembly 4 to brake, the rotation of the air expanding shaft 31 relative to the frame 2 is limited, the air expanding shaft 31 is convenient for an operator to disassemble and assemble for replacing the cloth roll 1, the frame 2 is provided with a fixing portion for installing the coupling 33, the coupling 33 is fixed at a preset position by a fixing portion on the frame 2, the specific structure of the fixing portion is not limited, and optionally, the fixing portion is a fixing hole, the structure is simple, and the assembly is convenient; optionally, the number of the couplers 33 is two, the two couplers 33 are respectively arranged at two ends of the inflatable shaft 31, so that an operator can conveniently and quickly assemble and disassemble the inflatable shaft 31, after the inflatable shaft 31 is disassembled from the couplers 33, the inflatable shaft 31 penetrates through a straight cylinder of the cloth roll 1, gas is injected to enable the outer wall of the inflatable shaft 31 to be abutted and fixed with the inner wall of the cloth roll 1, and then the inflatable shaft 31 is fixedly connected to the couplers 33; the specific structure of the coupler 33 is not limited, and optionally, the coupler 33 is a safety chuck, and can be quickly disassembled and assembled, so that the time for loading and unloading of the operating personnel is saved, and the cloth roll 1 can be conveniently replaced.

Referring to fig. 1 and 5 together, in the present embodiment, a plurality of supporting seats 23 are disposed at the bottom of the frame 2 of the cloth roll discharging device, the supporting seats 23 are uniformly distributed along the circumferential direction of the bottom surface of the frame 2, and the supporting seats 23 are disposed at the bottom of the frame 2, so that the cloth roll discharging device can be stably supported, the stable operation of the cloth roll discharging device is ensured, and the stability and reliability of the overall structure of the cloth roll discharging device are improved; optionally, the number of the supporting seats 23 is four, and the four supporting seats 23 are uniformly distributed along the circumferential direction of the bottom surface of the frame 2. Optionally, the cloth roll discharging device further comprises a plurality of moving assemblies 24 arranged at the bottom of the rack 2, and the moving assemblies 24 are uniformly distributed along the circumferential direction of the bottom surface of the rack 2, so that an operator can conveniently move the cloth roll discharging device to a required position while stable support can be provided for the cloth roll discharging device; the specific structure, number and connection mode of the moving assembly 24 are not limited, and optionally, the moving assembly 24 includes a fixing frame 241 fixedly connected to the frame 2 and a roller 242 rotatably disposed on the fixing frame 241, the roller 242 is stably mounted on the frame 2 through the fixing frame 241 disposed at the bottom of the frame 2, and the frame 2 is pushed by an external force applied by an operator, and the roller 242 is stressed and slides relative to the workbench to move the cloth roll emptying device to a desired position; when the yardage roll discharging device does not need to be moved, the driving roller 242 rotates and folds relative to the fixing frame 241, the fixing frame 241 is abutted against the operation table and provides stable support for the yardage roll discharging device, and the yardage roll discharging device is prevented from moving relative to the operation table to cause deviation from a preset position and influence the cloth discharging quality.

The digital inkjet printing equipment provided by the embodiment of the invention comprises a printing device and the cloth roll discharging device, wherein the cloth roll discharging device outputs cloth 11 required by the printing device; the yardage roll emptying device comprises a rack 2, a support component 3 which is rotatably arranged on the rack 2 and used for mounting a yardage roll 1 and a driving part used for driving the yardage roll 1 to rotate and outputting cloth 11, wherein the support component 3 comprises an inflatable shaft 31 which is sleeved with the yardage roll 1, the inner wall of the yardage roll 1 is abutted and fixed with the axial outer wall of the inflatable shaft 31 by sleeving the yardage roll 1 on the inflatable shaft 31 of the support component 3, the support component 3 is rotatably arranged on the rack 2, when the printing device needs to print the cloth 11, the driving part of the yardage roll emptying device drives the yardage roll 1 to rotate and output the cloth 11, and the support component 3 is driven by the yardage roll 1 to rotate relative to the rack 2; the cloth roll discharging device also comprises a braking component 4 and a tensioning component 5 which are used for limiting the supporting component 3 to rotate relative to the frame 2, the braking component 4 comprises a braking component 41 which is fixedly connected with the tensioning component 5 and is used for limiting the rotation of the inflatable shaft 31, the tensioning component 5 comprises a tensioning roller 51 which is arranged in parallel with the inflatable shaft 31 and is used for tensioning the cloth 11 and a swinging arm 52 which is used for connecting the tensioning roller 51 to the frame 2, a mounting part 21 which is used for rotatably connecting the swinging arm 52 is arranged on the frame 2, the swinging arm 52 can rotate relative to the frame 2 by taking the mounting part 21 as a rotation center and drive the tensioning roller 51 to move relative to the frame 2, when the tensioning roller 51 moves downwards, the cloth 11 is tensioned and the braking component 41 is driven to limit the rotation of the inflatable shaft 31, through the mounting part 21 which is arranged on the frame 2 and is used for rotatably connecting the swinging arm 52 of the tensioning component 5, the swinging arm 52 can rotate relative to the frame 2 by taking the mounting part 21 as a rotation center and drive the tensioning roller 51 to move relative to the frame 2, further driving a braking part 41 fixedly connected with the tensioning assembly 5 to abut against or be far away from the supporting assembly 3, so that the rotation of the inflatable shaft 31 relative to the frame 2 is limited, and meanwhile, the tensioning roller 51 arranged in parallel with the inflatable shaft 31 is used for tensioning the output cloth 11; in the operation process, when the printing device needs to print the cloth 11, the driving component of the cloth roll feeding device drives the cloth roll 1 to rotate relative to the frame 2 and output the cloth 11, the tensioning assembly 5 is driven by the cloth 11, the swing arm 52 rotates relative to the frame 2 by taking the mounting part 21 as a rotation center and drives the tensioning roller 51 to move upwards relative to the frame 2, and the braking part 41 fixedly connected with the tensioning assembly 5 is far away from the supporting assembly 3; when the printing device finishes a printing task, the driving part stops working, the cloth roll 1 continues to rotate under the action of inertia and outputs a small amount of cloth 11, so that under the action of gravity, the swing arm 52 rotates relative to the frame 2 by taking the mounting part 21 as a rotation center and drives the tensioning roller 51 to move downwards relative to the frame 2, when the braking part 41 is abutted against the supporting component 3, the air inflation shaft 31 is limited to rotate relative to the frame 2, the cloth roll 1 is further limited to rotate and output the cloth 11 is stopped, and meanwhile, the tensioning roller 51 tensions the output cloth 11; effectively simplify digital inkjet printing equipment's yardage roll blowing device's component structure, can in time brake the yardage roll 1, prevent that yardage roll 1 from continuously rotating under the inertia and being lax form, guarantee and put the cloth quality, and then guarantee digital inkjet printing equipment's printing quality.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a yardage roll blowing device for export required cloth of digital inkjet printing equipment printing, its characterized in that: the cloth roll discharging device comprises a rack, a supporting assembly, a driving component, a braking assembly and a tensioning assembly, wherein the supporting assembly is rotatably arranged on the rack and used for mounting a cloth roll; the support assembly comprises an inflatable shaft sleeved with the cloth roll; the brake assembly comprises a brake part which is fixedly connected with the tensioning assembly and is used for limiting the rotation of the inflatable shaft; tensioning assembly include with physiosis axle parallel arrangement just is used for the tensioning roller of cloth with be used for with the tensioning roller is connected swing arm in the frame, be provided with in the frame and be used for rotating the connection the installation department of swing arm, the swing arm can with the installation department is relative for the rotation center the frame rotates and drives the tensioning roller is relative the frame removes, and works as tensioning when tensioning roller moves down the cloth drives the braking piece restriction the physiosis axle rotates.

2. The cloth roll emptying device according to claim 1, characterized in that: the mounting part is a mounting shaft which is rotatably arranged on the rack, one end of the swing arm is connected with the tensioning roller, the other end of the swing arm is provided with a connecting hole through which the mounting part penetrates, and a rolling bearing which is used for being sleeved on the periphery of the mounting part is arranged in the connecting hole of the swing arm; the quantity of swing arm is two, two the swing arm sets up respectively the both ends of tensioning roller.

3. The cloth roll emptying device according to claim 1, characterized in that: the braking part is a braking belt, one end of the braking part is fixedly connected with the swing arm, the other end of the braking part is fixedly connected with the rack, and a fixing seat used for fixedly connecting the braking part is arranged on the rack.

4. The cloth roll emptying device according to claim 3, characterized in that: the brake assembly further comprises a brake disc fixedly connected with the inflatable shaft, and a limiting groove for the brake piece to be placed into is formed in the circumferential side wall of the brake disc in an inwards recessed mode.

5. The cloth roll emptying device according to claim 4, characterized in that: and the brake disc is provided with a guide part on the circumferential side wall of the limit groove and used for limiting the moving direction of the brake part.

6. The cloth roll emptying device according to claim 4, characterized in that: the support assembly further comprises a connecting shaft used for fixedly connecting the brake disc and a coupler used for connecting the air inflation shaft and the connecting shaft, and a fixing portion used for installing the coupler is arranged on the rack.

7. The cloth roll emptying device according to claim 6, characterized in that: the coupling is a safety chuck.

8. The cloth roll emptying device according to any one of claims 1 to 7, characterized in that: the bottom of frame is provided with a plurality of supporting seats, and is a plurality of the supporting seat is followed the bottom surface circumference of frame is evenly laid.

9. The cloth roll emptying device according to any one of claims 1 to 7, characterized in that: the cloth roll discharging device further comprises a plurality of moving assemblies arranged at the bottom of the rack, the moving assemblies are evenly distributed along the circumferential direction of the bottom surface of the rack, and each moving assembly comprises a fixed frame fixedly connected with the rack and a roller rotatably arranged on the fixed frame.

10. A digital inkjet device is characterized in that: comprising a printing device and a roll emptying device as claimed in any of the claims 1 to 9.