CN108557524B

CN108557524B - Facial tissue conveying, positioning and centering adjusting device for cover machine

Info

Publication number: CN108557524B
Application number: CN201810570382.XA
Authority: CN
Inventors: 吴应义; 蔡希海; 吴应忠; 黄锡宏
Original assignee: Zhejiang Rokin Technology Co ltd
Current assignee: Zhejiang Rokin Technology Co ltd
Priority date: 2018-06-05
Filing date: 2018-06-05
Publication date: 2023-07-04
Anticipated expiration: 2038-06-05
Also published as: CN108557524A

Abstract

The invention discloses a facial tissue conveying, positioning and centering adjusting device for a cover machine, which is characterized by comprising a conveying frame, wherein a plurality of negative pressure channels are arranged on the conveying frame, channel openings are formed above the negative pressure channels, a plurality of conveying belts are arranged on the conveying frame, the conveying belts are correspondingly arranged with the negative pressure channels and cover the channel openings, a plurality of air suction holes are formed on the conveying belts, a channel adjusting opening for adjusting the pressure in the negative pressure channels is formed on the conveying frame, an opening adjusting plate is further arranged on the conveying frame, the opening adjusting plate is correspondingly arranged with the channel adjusting opening and hinged with the conveying frame, positioning check blocks are arranged between any two adjacent conveying belts, and the lower ends of the positioning check blocks are fixedly connected with a positioning turning rod which is hinged with a sliding panel capable of sliding along the length direction of the conveying frame. The device is easy to operate, high in conveying, positioning and centering efficiency, and can be suitable for facial tissues with various different shapes, and high in applicability.

Description

Facial tissue conveying, positioning and centering adjusting device for cover machine

Technical Field

The invention relates to the technical field of covers, in particular to a facial tissue conveying, positioning and centering adjusting device for a cover machine.

Background

In order to make stationery such as a hardcover book case, a desk calendar, a wall calendar and a notebook have a certain decorative effect on the premise of having specific functions, exquisite facial tissues are generally attached to the surfaces of the stationery to improve ornamental aesthetic feeling. For example, when processing the notebook cover through the cover machine, need paste the facial tissue on the cardboard that is used for making the notebook cover, its course of working is complicated, including the material loading of facial tissue and cardboard, rubberizing, hem, compress tightly the multichannel process such as, in the material loading in-process of facial tissue, need carry, location and centering to the facial tissue, so that after the facial tissue carries to accomplish, the cardboard can be accurate place on the facial tissue, the specification and the shape of different models of facial tissue are different, current positioner is difficult to adapt to the facial tissue of multiple different shapes, the suitability is poor, and the processing of cover is usually batch production, in order to improve machining efficiency, the facial tissue needs higher transportation, location and centering efficiency, if can provide an easy operation, transportation, location and centering efficiency are high, and can be applicable to the facial tissue feed mechanism of multiple different shapes facial tissue, the operation degree of difficulty that will be favorable to reducing operating personnel, improve the processing efficiency, the suitability of cover machine.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a facial tissue conveying, positioning and centering adjusting device for a cover machine, which has the advantages of simple operation, high conveying, positioning and centering efficiency, suitability for facial tissues with various different shapes and strong applicability.

In order to achieve the above purpose, the present invention provides the following technical solutions: the facial tissue conveying, positioning and centering adjusting device for the cover machine comprises a conveying frame, wherein a plurality of negative pressure channels are arranged on the conveying frame, channel openings for conducting the negative pressure channels with the outside are formed above the negative pressure channels, the length directions of the negative pressure channels and the channel openings are all along the length direction of the conveying frame, the negative pressure channels are arranged along the width direction of the conveying frame, a plurality of conveying belts for driving facial tissue to be conveyed are arranged on the conveying frame, the conveying belts are correspondingly arranged with the negative pressure channels and cover the channel openings, a plurality of air suction holes are formed in the conveying belts, two ends of each air suction hole are respectively communicated with the negative pressure channels and the outside, the negative pressure channels are connected with the air suction ends of the negative pressure devices, the conveying belts drive facial tissue to be adsorbed on the conveying belts in a state, channel adjusting openings for adjusting the pressure of the negative pressure channels are respectively conducted with the outside, an opening adjusting plate is further arranged on the conveying frame, the opening adjusting plate is correspondingly arranged with the channel adjusting plate, the opening adjusting plate is hinged with the conveying frame, and the opening adjusting plate can be hinged with the opening adjusting plate is changed in a state of the opening adjusting plate, and the opening adjusting plate is hinged with the opening is changed, and the opening is large, and the opening of the opening adjusting plate can be changed;

a positioning stop block for blocking facial tissue conveying is arranged between any two adjacent conveying belts, a plurality of positioning stop blocks are arranged along the width direction of the conveying frame, the lower ends of the positioning stop blocks are fixedly connected with a positioning rotary rod, the positioning rotary rod is hinged with a sliding panel capable of sliding along the length direction of the conveying frame, the plane where the positioning rotary rod is located in the rotating process is parallel to the upper surface of the conveying frame, a steel wire flexible shaft used for driving the positioning rotary rod to rotate and an adjusting screw rod used for driving the sliding panel to slide are arranged on the conveying frame, and the sliding panel is in threaded connection with the adjusting screw rod.

As a further improvement of the invention, the channel adjusting opening is positioned at one side of the width direction of the conveying frame, the opening adjusting plate is hinged with the conveying frame through a hinge screw, the hinge screw is in threaded connection with the conveying frame and is hinged with the opening adjusting plate, and a pushing elastic piece for pushing the opening adjusting plate to be abutted against the conveying frame is arranged between the hinge screw and the opening adjusting plate.

As a further improvement of the invention, two ends of the conveying frame in the length direction are respectively provided with a conveying shaft used for driving a conveying belt to convey, two ends of the conveying shafts are respectively connected with two sides of the conveying frame in the width direction in a rotating way, the conveying belts are sleeved on the two conveying shafts, the conveying frame is also provided with a driving motor used for driving the conveying shafts to rotate, an output shaft of the driving motor is connected with a first driving wheel, one end of one conveying shaft is coaxially and fixedly connected with a second driving wheel, a driving belt is sleeved between the first driving wheel and the second driving wheel, and the driving motor drives the second driving wheel and the conveying shaft fixedly connected with the second driving wheel to rotate through the first driving wheel and the driving belt in the working state.

As a further improvement of the invention, the outer side surface of the conveying shaft is provided with a conveying groove for embedding the conveying belt, the conveying groove is annularly arranged along the circumferential direction of the outer side surface of the conveying shaft, and the groove width of the conveying groove is matched with the bandwidth of the conveying belt.

As a further improvement of the invention, the adjusting screw rod is axially fixed and circumferentially connected with the conveying frame in a rotating way, the conveying frame is also provided with an adjusting rotating rod for driving the screw rod to rotate, one end of the adjusting screw rod, which is away from the sliding panel, is provided with a first transmission gear, one end of the adjusting rotating rod is provided with a second transmission gear meshed with the first transmission gear, and the other end of the adjusting rotating rod extends out of one side of the width direction of the conveying frame and is fixedly connected with a hand wheel for rotating the adjusting rotating rod.

As a further improvement of the invention, the linear slide rail is fixedly connected to the conveying frame, the length direction of the linear slide rail is the length direction of the conveying frame, the linear slide block capable of sliding on the linear slide rail is fixedly connected to the sliding panel, and the cross section of the sliding connection part of the linear slide rail and the linear slide block is in a dovetail groove structure.

As a further improvement of the invention, one end joint of the steel wire flexible shaft is in threaded connection with the positioning rotary rod, the other end joint of the steel wire flexible shaft is connected with a flexible shaft knob for rotating the steel wire flexible shaft, one end of the steel wire flexible shaft, which is close to the positioning rotary rod, is axially fixed with the sliding panel and is in circumferential rotatable connection with the sliding panel, one end of the steel wire flexible shaft, which is connected with the flexible shaft knob, is in rotatable connection with one side of the width direction of the conveying frame, and the positioning rotary rod is driven to rotate around the hinged position of the positioning rotary rod and the conveying frame in the rotating state of the flexible shaft knob.

As a further improvement of the invention, an anti-backlash elastic piece for eliminating the thread clearance between the steel wire flexible shaft joint and the positioning rotating rod is arranged between the sliding panel and the positioning rotating rod.

As a further improvement of the invention, the positioning rotating rod is hinged with the sliding panel through a pin, the pin comprises a hinging part which is arranged in a cylindrical shape and a limiting part which is fixedly connected with one end of the hinging part, the limiting part comprises two limiting surfaces which are arranged in parallel, the two limiting surfaces are perpendicular to the end face of the hinging part, the distance between the two limiting surfaces and the central axis of the hinging part is the same and is larger than the radius of the outer side face of the hinging part, the positioning rotating rod and the sliding panel are both provided with hinging holes for the hinging part to pass through, the upper surface of the positioning rotating rod is provided with limiting grooves for the limiting part to be embedded, and the two limiting surfaces are respectively abutted against the opposite two side faces of the limiting grooves when the limiting part is embedded into the limiting grooves.

As a further improvement of the invention, one end of the hinge part far away from the limiting part is provided with a fixing threaded hole, a fixing screw is screwed in the fixing threaded hole, and a retainer ring and an elastic gasket are clamped between the fixing screw and the lower surface of the sliding panel.

The invention has the beneficial effects that: when the facial tissues enter the upper part of the conveying belt from the feeding end of the conveying frame, the negative pressure device works to enable the suction holes on the conveying belt to suck and adsorb the facial tissues, so that the facial tissues can be clung to the conveying belt and conveyed along with the conveying belt, therefore, in the conveying process of the facial tissues, the facial tissues are automatically adsorbed on the conveying belt, and the opening size of the channel adjusting opening and the opening adjusting plate is set, so that an operator can change the opening size of the channel adjusting opening communicated with the outside through rotating the opening adjusting plate, the smaller the opening size is, the suction force of the suction holes on the facial tissues is larger, the facial tissues can be firmly adsorbed on the conveying belt, the size of the suction force of the suction holes can be adjusted according to the external environment by the operator, and the device realizes automatic reinforcement of the facial tissues and is adjustable in strength; when the conveying belt moves to drive the facial tissues on the conveying belt to convey, the front end of the facial tissues in the conveying direction is propped against the positioning stop block arranged in a straight line, the initial direction of the straight line formed by the positioning stop block is perpendicular to the conveying direction of the conveying belt, and at the moment, the facial tissues are automatically positioned, as the lengths of different facial tissues along the length direction of the conveying frame are different, when the facial tissues are propped against the positioning stop block, the positions of the midpoints of the different facial tissues along the length direction of the conveying frame are different, and the sliding panel and the adjusting screw are arranged, so that when the device is used for conveying facial tissues with different sizes, the staff can rotate the adjusting screw to enable the adjusting screw to drive the sliding panel to slide on the conveying frame, the positioning stop block on the sliding panel synchronously moves, so that the positions of the midpoints of the different facial tissues along the length direction of the conveying frame are unchanged, and the facial tissues can be automatically positioned and centered only by the conveying belt, and the device can realize positioning and centering of the facial tissues, and is simple to operate and high in centering efficiency; the shapes of facial tissues of different types are possibly different, the abutting edges of some facial tissues and the positioning check blocks are inclined edges, and the positioning rotary rods and the steel wire flexible shafts are arranged, so that workers can drive the positioning rotary rods to rotate through the steel wire flexible shafts, the positioning check blocks are driven to move in a rotating state of the positioning rotary rods, the positioning check blocks arranged in a straight line are inclined, the direction of the straight line formed by the positioning check blocks is no longer perpendicular to the conveying direction of the conveying belt until the inclination angle of the positioning check blocks is the same as that of the facial tissues, at the moment, the inclined edges of the facial tissues are abutted against the positioning check blocks arranged in an inclined straight line in the conveying process, the facial tissues are prevented from rotating, and in the repeated sliding process of the sliding panel, the positioning check blocks can be slightly inclined, at the moment, the positioning check blocks can be finely adjusted through the steel wire flexible shafts, and the positioning check blocks are parallel to the abutting edges of the facial tissues close to the positioning check blocks, and the positioning accuracy is higher; the operator only needs to drive the rotation of the positioning rotary rod through the steel wire flexible shaft and can finish the adjustment of the positioning stop block, the operation is simple, the structure can be suitable for facial tissues of various facial tissues with different shapes, and the applicability is strong.

Drawings

FIG. 1 is a schematic perspective view of a facial tissue conveying, positioning and centering adjustment device for a cover machine;

FIG. 2 is a schematic perspective view of a cover machine tissue conveying, positioning and centering adjustment device without a conveyor belt;

FIG. 3 is a schematic view of the mounting structure of the opening adjustment plate and the carriage;

FIG. 4 is a schematic diagram of a connection structure of a driving motor and a conveying shaft;

FIG. 5 is a schematic view of an adjustment structure of a stopper;

FIG. 6 is an enlarged view at A in FIG. 5;

FIG. 7 is an enlarged view at B in FIG. 5;

FIG. 8 is a schematic view of a hinge structure for positioning a rotating lever and a sliding panel;

fig. 9 is a schematic perspective view of a pin.

Reference numerals: 1. a carriage; 2. a negative pressure channel; 21. a channel opening; 22. a conveyor belt; 221. an air suction hole; 23. a channel adjustment port; 24. an opening adjusting plate; 25. a hinge screw; 26. pushing the elastic member; 3. positioning a stop block; 31. positioning a rotating rod; 311. a limit groove; 32. a slip panel; 321. a linear slide rail; 322. a linear slide; 323. a hinge hole; 33. a steel wire flexible shaft; 331. a flexible shaft knob; 332. an anti-backlash elastic member; 34. adjusting a screw rod; 341. a first transmission gear; 35. adjusting a rotating rod; 351. a second transmission gear; 352. a hand wheel; 4. a conveying shaft; 41. a driving motor; 42. a first driving wheel; 43. a second driving wheel; 44. a transmission belt; 45. a conveying trough; 5. a pin; 51. a hinge part; 511. fixing the threaded holes; 512. a fixing screw; 513. a retainer ring; 514. an elastic pad; 52. a limit part; 521. and a limiting surface.

Detailed Description

The invention will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", and the like are used in the following description,

"left", "right", "upper" and "lower" refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 9, a facial tissue conveying, positioning and centering adjustment device for a cover machine of this embodiment includes a conveying frame 1, a plurality of negative pressure channels 2 are provided on the conveying frame 1, channel openings 21 for conducting the negative pressure channels 2 with the outside are provided above the negative pressure channels 2, the length directions of the negative pressure channels 2 and the channel openings 21 are all along the length direction of the conveying frame 1, a plurality of negative pressure channels 2 are arranged along the width direction of the conveying frame 1, a plurality of conveying belts 22 for driving facial tissue to be conveyed are provided on the conveying frame 1, the conveying belts 22 are correspondingly arranged with the negative pressure channels 2 and cover the channel openings 21, a plurality of air suction holes 221 are provided on the conveying belts 22, two ends of the air suction holes 221 are respectively communicated with the negative pressure channels 2 and the outside, the negative pressure channels 2 are connected with the air suction ends of the negative pressure devices, the conveying belts 22 drive the facial tissue to be adsorbed on the conveying belts 22, two ends of the channel adjustment openings 23 are respectively conducted with the outside along the length direction of the conveying frame 1, an adjustment plate 24 is also provided on the conveying frame 1, and the adjustment plate 24 is correspondingly arranged with the adjustment plate 24, and the adjustment plate 24 is capable of being hinged to the adjustment plate 24 is arranged under the adjustment plate 24, and the adjustment plate 24 is capable of changing the state of being correspondingly hinged to the adjustment plate opening of the adjustment opening of the opening is corresponding to the adjustment plate 24 opening, and the adjustment plate is in the opening state of the adjustment opening is in which is capable of being rotated;

the negative pressure device can adopt an air pump, a vacuum pump and the like. When the facial tissues enter the upper part of the conveying belt 22 from the feeding end of the conveying frame 1, the negative pressure device works to enable the suction holes 221 on the conveying belt 22 to suck and adsorb the facial tissues, so that the facial tissues can be clung to the conveying belt 22 and conveyed along with the conveying belt 22, therefore, in the conveying process of the facial tissues, the facial tissues can be automatically adsorbed on the conveying belt 22, the facial tissues can be automatically reinforced, the opening size of the opening regulating opening 23 and the opening regulating plate 24 can be changed by an operator through rotating the opening regulating plate 24, the smaller the opening size is, the larger the suction force of the suction holes 221 on the facial tissues is, the more firmly the facial tissues can be adsorbed on the conveying belt 22, and when the device works in an environment with larger wind force, the opening size can be adjusted to prevent the facial tissues from drifting under the wind force effect; the larger the opening size is, more gas enters the negative pressure channel 2 through the channel adjusting opening 23, the smaller the suction force of the suction hole 221 to the facial tissue is, the facial tissue can be upwards adsorbed by the sucker with the suction force larger than that of the negative pressure channel 2 to drive the facial tissue to transfer when the facial tissue is transferred to the next station, so that on the basis that the conveyor belt 22 can smoothly adsorb and drive the facial tissue to carry, the size of the opening is enlarged to facilitate the sucker to smoothly upwards adsorb the facial tissue, the transfer of the facial tissue is facilitated, and the facial tissue is required to move relative to the conveyor belt 22 in the positioning and centering process of the facial tissue, so that on the basis that the conveyor belt 22 can smoothly adsorb and drive the facial tissue to carry, the size of the opening is enlarged to facilitate the smooth positioning and centering of the facial tissue; as long as the conveyer belt 22 has enough suction to the facial tissue, the facial tissue can be stably adsorbed on the conveyer belt 22, the device realizes the automatic reinforcement of the facial tissue, the strength is adjustable, the facial tissue is automatically reinforced, the manual operation is not needed, the processing efficiency is improved, and the labor intensity of operators is reduced.

A positioning stop block 3 for blocking facial tissue conveying is arranged between any two adjacent conveying belts 22, a plurality of positioning stop blocks 3 are arranged along the width direction of the conveying frame 1, the lower ends of the positioning stop blocks 3 are fixedly connected with a positioning rotary rod 31, the positioning rotary rod 31 is hinged with a sliding panel 32 capable of sliding along the length direction of the conveying frame 1, the plane where the positioning rotary rod 31 is positioned in the rotating process is parallel to the upper surface of the conveying frame 1, and the conveying frame 1 is provided with a steel wire flexible shaft 33 for driving the positioning rotary rod 31 to rotate and an adjusting screw rod 34 for driving the sliding panel 32 to slide, wherein the sliding panel 32 is in threaded connection with the adjusting screw rod 34.

When the conveying belt 22 moves to drive the facial tissues on the conveying belt 22 to convey, the front end of the conveying direction of the facial tissues is finally abutted against the positioning stop block 3 which is arranged in a straight line, the initial direction of the straight line formed by the positioning stop block 3 is perpendicular to the conveying direction of the conveying belt 22, so that the facial tissues cannot continue to follow the conveying belt 22 to convey, at the moment, the facial tissues are automatically positioned, and because the lengths of different facial tissues along the length direction of the conveying frame 1 are different, when the facial tissues are abutted against the positioning stop block 3, the midpoint positions of the different facial tissues along the length direction of the conveying frame 1 are different, and the arrangement of the sliding panel 32 and the adjusting screw 34 enables a worker to rotate the adjusting screw 34 when the device is used for conveying facial tissues with different sizes, the adjusting screw rod 34 drives the sliding panel 32 to slide on the conveying frame 1, the positioning stop blocks 3 on the sliding panel 32 synchronously move, so that the middle points of different tissues along the length direction of the conveying frame 1 are kept unchanged relative to the position of the conveying frame 1, and therefore, the different tissues can be centered, so that paperboards can be accurately placed on the tissues in the subsequent cover processing, an operator can fully position and center the tissues with the same size in the next process by only adjusting the positions of the positioning stop blocks 3 once, and the tissues can be automatically positioned and centered only by the conveying belt 22 in the conveying process, and the device can realize the positioning and centering of the tissues and is simple to operate and high in positioning and centering efficiency; when the front end of the facial tissues in the conveying direction is abutted against the positioning stop block 3 which is arranged in a straight line, the facial tissues are positioned, the shapes of the facial tissues in different types are possibly different, the abutting edges of some facial tissues and the positioning stop block 3 are inclined edges, if the positioning stop block 3 cannot be obliquely arranged to be matched with the inclined edges of the facial tissues, the inclined edges of the facial tissues are abutted against the positioning stop block 3, the whole facial tissues are continuously driven by the conveying belt 22 to rotate, the positioning and centering of the facial tissues on the previous station in the width direction of the conveying frame 1 are invalid, the positioning rotary rod 31 and the steel wire flexible shaft 33 are arranged, so that a worker can drive the positioning rotary rod 31 to rotate through the steel wire flexible shaft 33, the positioning stop block 3 is driven to move in the rotating state of the positioning rotary rod 31, the direction of the linearly arranged positioning stop block 3 is no longer perpendicular to the conveying direction of the conveying belt 2 until the inclined angle of the positioning stop block 3 is the same as the inclined angle of the inclined edges of the facial tissues, and the facial tissues can not accurately place the facial tissues on the paper in the conveying process; in the repeated sliding process of the sliding panel 32, the positioning stop block 3 may slightly incline, and at this time, the positioning stop block 3 can be finely adjusted through the steel wire flexible shaft 33, so that the positioning stop block 3 is parallel to the abutting edge of the facial tissue, which is close to the positioning stop block 3, and the positioning accuracy is higher, so that the paperboard can be accurately placed on the facial tissue in the subsequent cover processing; the operator only needs to drive the rotation of the positioning rotary rod 31 through the steel wire flexible shaft 33 and can finish the adjustment of the positioning stop block 3, the operation is simple, the structure can be suitable for facial tissues of various facial tissues with different shapes, and the applicability is strong.

As a modified embodiment, the channel adjusting opening 23 is located at one side of the width direction of the carriage 1, the opening adjusting plate 24 is hinged to the carriage 1 by a hinge screw 25, the hinge screw 25 is screwed to the carriage 1 and is hinged to the opening adjusting plate 24, and a pushing elastic member 26 for pushing the opening adjusting plate 24 to abut against the carriage 1 is disposed between the hinge screw 25 and the opening adjusting plate 24.

The two sides of the length direction of the conveying frame 1 are respectively connected with the equipment of the last station and the next station, therefore, the arrangement of the channel adjusting opening 23 and the opening adjusting plate 24 on one side of the width direction of the conveying frame 1 is convenient for operators to rotate the opening adjusting plate 24 on one side of the width direction of the conveying frame 1, the hinging of the opening adjusting plate 24 and the conveying frame 1 is realized through the arrangement of the hinging screw 25, the opening adjusting plate 24 is convenient to detach, the pushing elastic piece 26 can adopt a spring, people can directly rotate the opening adjusting plate 24 to adjust the opening size of the channel adjusting opening 23 communicated with the outside, the opening adjusting plate 24 always keeps abutting with the conveying frame 1 before and after rotation under the elastic force of the pushing elastic piece 26, after the opening adjusting plate 24 is well rotatably adjusted, the opening adjusting plate 24 cannot automatically rotate under the action of gravity due to the friction force between the opening adjusting plate 24 and the conveying frame 1, the opening size of the channel adjusting opening 23 communicated with the outside is invalid, and the suction force of the suction hole 221 cannot change the size of the facial tissues.

As an improved specific embodiment, two ends of the conveying frame 1 in the length direction are respectively provided with a conveying shaft 4 for driving the conveying belt 22 to convey, two ends of the conveying shafts 4 are respectively connected with two sides of the conveying frame 1 in the width direction in a rotating mode, the conveying belt 22 is sleeved on the two conveying shafts 4, the conveying frame 1 is further provided with a driving motor 41 for driving the conveying shafts 4 to rotate, an output shaft of the driving motor 41 is connected with a first driving wheel 42, one end of one conveying shaft 4 is coaxially and fixedly connected with a second driving wheel 43, a driving belt 44 is sleeved between the first driving wheel 42 and the second driving wheel 43, and the driving motor 41 drives the second driving wheel 43 and the conveying shaft 4 fixedly connected with the second driving wheel 43 to rotate under the working state of the driving motor 41 through the first driving wheel 42 and the driving belt 44.

The driving motor 41 is started, the driving motor 41 drives the first driving wheel 42 to rotate, the first driving wheel 42 drives the second driving wheel 43 to rotate through the driving belt 44, the second driving wheel 43 drives the conveying shafts 4 connected with the second driving wheel 43 to rotate, and the conveying belt 22 is driven to convey in the process of rotation of one conveying shaft 4 because the conveying belt 22 is arranged on the two conveying shafts 4 and is tensioned by the conveying shafts 4, and conveying of the conveying belt 22 is realized through the driving motor 41, the first driving wheel 42, the second driving wheel 43, the driving belt 44 and the arrangement of the two conveying shafts 4.

As a modified embodiment, the outer side surface of the conveying shaft 4 is provided with a conveying groove 45 in which the conveying belt 22 is embedded, the conveying groove 45 is annularly arranged along the circumferential direction of the outer side surface of the conveying shaft 4, and the groove width of the conveying groove 45 is equal to or slightly larger than the bandwidth of the conveying belt 22.

Through the arrangement of the conveying groove 45, the axial slippage of the conveying belt 22 relative to the conveying shaft 4 is limited, so that the conveying belt 22 is always limited between two opposite groove walls of the conveying groove 45 in the conveying process, the facial tissues on the conveying belt 22 cannot axially slip along with the conveying belt 22 in the conveying process, and the stability and the conveying accuracy of facial tissue conveying are improved; and can avoid conveyer belt 22 to take place axial slip relative to conveying axle 4 and lead to conveyer belt 22 unable complete shielding passageway opening 21, and the air enters into negative pressure passageway 2 through the clearance between conveyer belt 22 and the passageway opening 21 this moment, finally leads to the suction of suction hole 221 on the conveyer belt 22 to the facial tissue to reduce, and the stability of facial tissue transport reduces.

As a specific embodiment of improvement, the adjusting screw rod 34 is axially fixed and circumferentially rotatably connected with the conveying frame 1, the conveying frame 1 is further provided with an adjusting rotating rod 35 for driving the screw rod to rotate, one end of the adjusting screw rod 34, which is away from the sliding panel 32, is provided with a first transmission gear 341, one end of the adjusting rotating rod 35 is provided with a second transmission gear 351 meshed with the first transmission gear 341, and the other end extends out of one side of the conveying frame 1 in the width direction and is fixedly connected with a hand wheel 352 for rotating the adjusting rotating rod 35.

Through the setting of first drive gear 341 and second drive gear 351 for the operating personnel can drive adjustment lead screw 34 through rotatory adjustment rotary rod 35 and rotate, in order to realize the centering of not unidimensional facial tissue, because the both ends of carriage 1 length direction will link to each other with last station and equipment on the next station, consequently be inconvenient for stretching into carriage 1 length direction one end at the operating personnel and rotate adjustment lead screw 34, if the operating personnel stretches into carriage 1 below and rotates adjustment lead screw 34, the operation degree of difficulty is big, consequently the setting of one end extension carriage 1 width direction one side of adjustment rotary rod 35, make the operating personnel only need at carriage 1 width one side rotatory adjustment lead screw 34 can, the degree of difficulty of operating personnel adjustment location dog 3 has been reduced, when operating personnel rotates hand wheel 352, drive the axis rotation of adjustment rotary rod 35, the operation degree of difficulty of rotation adjustment rotary rod 35 has been reduced.

As an improved specific embodiment, a linear slide rail 321 is fixedly connected to the carriage 1, the length direction of the linear slide rail 321 is the length direction of the carriage 1, a linear slide block 322 capable of sliding on the linear slide rail 321 is fixedly connected to the sliding panel 32, and the cross section of the sliding connection part of the linear slide rail 321 and the linear slide block 322 is in a dovetail groove structure.

The setting of linear slide rail 321 and linear slide block 322 has realized the relative carriage 1 of panel 32 that slides, and the setting of dovetail structure makes linear slide block 322 detain and slide in linear slide rail 321, can effectively avoid linear slide block 322 to break away from linear slide rail 321, and then is favorable to improving the slip stability degree of panel 32 that slides and the firm in connection degree between panel 32 and the carriage 1 that slides.

As an improved specific embodiment, one end joint of the steel wire flexible shaft 33 is in threaded connection with the positioning rotary rod 31, the other end joint is connected with a flexible shaft knob 331 for rotating the steel wire flexible shaft 33, one end of the steel wire flexible shaft 33, which is close to the positioning rotary rod 31, is axially fixed with the sliding panel 32 and is in circumferential rotatable connection, one end of the steel wire flexible shaft 33, which is connected with the flexible shaft knob 331, is in rotational connection with one side of the width direction of the conveying frame 1, and the positioning rotary rod 31 is driven to rotate around the hinged position of the positioning rotary rod 31 and the conveying frame 1 in the rotating state of the flexible shaft knob 331.

The two ends of the length direction of the conveying frame 1 are respectively connected with equipment of a previous station and a next station, so that the flexible shaft knob 331 is arranged on one side of the width direction of the conveying frame 1, an operator can conveniently rotate the flexible shaft knob 331 on one side of the width direction of the conveying frame 1, when the operator rotates the knob, the steel wire flexible shaft 33 is driven to rotate, as one end joint of the steel wire flexible shaft 33 is in threaded connection with the positioning rotating rod 31, and the steel wire flexible shaft 33 is axially fixedly connected with the sliding panel 32, the steel wire flexible shaft 33 cannot axially move in the rotating process, the positioning rotating rod 31 is driven to rotate, the operator can drive the steel wire flexible shaft 33 to rotate through the arrangement of the structure, the positioning rotating rod 31 is enabled to rotate to adjust the positioning stop block 3, and the structure is simple, and the operation of the operator is simple, so that the use is convenient.

As a modified embodiment, an anti-backlash elastic member 332 for eliminating the screw-thread clearance between the joint of the flexible wire shaft 33 and the positioning rotating rod 31 is provided between the sliding panel 32 and the positioning rotating rod 31.

The anti-backlash elastic piece 332 can adopt a spring, and the anti-backlash elastic piece 332 is always in a contracted or extended state in the rotating process of the positioning rotating rod 31, so that the elastic force direction of the anti-backlash elastic piece 332 to the positioning rotating rod 31 is always unchanged, and through the arrangement of the anti-backlash elastic piece 332, the screw thread gap between the joint of the steel wire flexible shaft 33 and the positioning rotating rod 31 is eliminated, thereby being beneficial to improving the rotating accuracy of the steel wire flexible shaft 33 for driving the positioning rotating rod 31 to rotate, and enabling an operator to control the positioning rotating rod 31 more accurately.

As an improved specific embodiment, the positioning rotating rod 31 is hinged to the sliding panel 32 through a pin 5, the pin 5 comprises a hinge portion 51 which is cylindrically arranged and a limiting portion 52 which is fixedly connected with one end of the hinge portion 51, the limiting portion 52 comprises two limiting surfaces 521 which are parallelly arranged, the two limiting surfaces 521 are perpendicular to the end face of the hinge portion 51, the distance between the two limiting surfaces 521 and the central axis of the hinge portion 51 is the same and is larger than the radius of the outer side face of the hinge portion 51, hinge holes 323 for the hinge portion 51 to penetrate are formed in the positioning rotating rod 31 and the sliding panel 32, limiting grooves 311 for the limiting portions 52 to be embedded are formed in the upper surface of the positioning rotating rod 31, and the two limiting surfaces 521 are respectively abutted against the two opposite side faces of the limiting grooves 311 when the limiting portions 52 are embedded into the limiting grooves 311.

The inside diameter of the hinge hole 323 can be equal to or slightly larger than the outside diameter of the hinge portion 51, the distance between the two limiting surfaces 521 and the central axis of the hinge portion 51 is the same and is larger than the radius of the outer side surface of the hinge portion 51, so that the pin 5 is arranged in a central symmetry mode, the pin 5 is convenient to insert into the limiting hole, when the hinge portion 51 is inserted into the hinge hole 323 and the limiting portion 52 is embedded into the limiting groove 311, the lower end face of the limiting portion 52 is abutted with the bottom of the limiting groove 311, the positioning rotating rod 31 is rotated, and the pin 5 is driven by the positioning rotating rod 31 to rotate relative to the sliding panel 32 due to the fact that the limiting surfaces 521 are abutted with the opposite side surfaces of the limiting groove 311.

As a modified specific embodiment, a fixing threaded hole 511 is provided at one end of the hinge portion 51 away from the limiting portion 52, a fixing screw 512 is screwed into the fixing threaded hole 511, and a retainer ring 513 and an elastic spacer 514 are sandwiched between the fixing screw 512 and the lower surface of the sliding panel 32.

Through the setting of fixed screw hole 511, set screw 512, retaining ring 513 for pin 5 can not upwards move, and the setting of spacing portion 52 makes pin 5 can not the downwardly move, consequently pin 5 can be limited in hinge hole 323, avoid pin 5 axial roll-off hinge hole 323, lead to location rotary rod 31 no longer to articulate with carriage 1 mutually, and the spring spacer has good locking effect, can effectively avoid this mechanism to work under vibrating condition for a long time, set screw 512 produces not hard up, leads to the limiting displacement of pin 5 to relieve.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. Facial tissue conveying, positioning and centering adjusting device for cover machine is characterized in that: comprises a conveying frame (1), a plurality of negative pressure channels (2) are arranged on the conveying frame (1), a channel opening (21) used for conducting the negative pressure channels (2) with the outside is arranged above the negative pressure channels (2), the negative pressure channels (2) and the channel opening (21) are both arranged along the length direction of the conveying frame (1) and the negative pressure channels (2) are arranged along the width direction of the conveying frame (1), a plurality of conveying belts (22) used for driving facial tissues to be conveyed are arranged on the conveying frame (1), the conveying belts (22) are correspondingly arranged with the negative pressure channels (2) and cover the channel opening (21), a plurality of air suction holes (221) are arranged on the conveying belts (22), two ends of each air suction hole (221) are respectively conducted with the negative pressure channels (2) and the outside, facial tissues are adsorbed on the conveying belts (22) in a conveying state that the conveying belts (22) drive facial tissues to be conveyed along the length direction of the conveying frame (1), pressure regulating channels (2) are arranged on the conveying frame (1) and are also provided with pressure regulating channels (23) which are respectively connected with the two ends of the negative pressure regulating channels (23) and the regulating channels (23), the opening adjusting plate (24) is arranged corresponding to the channel adjusting opening (23), the opening adjusting plate (24) is hinged with the conveying frame (1), and the opening size of the channel adjusting opening (23) communicated with the outside can be changed under the rotating state of the opening adjusting plate (24);

a positioning stop block (3) for blocking facial tissue conveying is arranged between any two adjacent conveying belts (22), a plurality of positioning stop blocks (3) are arranged along the width direction of the conveying frame (1), the lower ends of the positioning stop blocks (3) are fixedly connected with a positioning rotating rod (31), the positioning rotating rod (31) is hinged with a sliding panel (32) capable of sliding along the length direction of the conveying frame (1), the plane where the positioning rotating rod (31) is positioned in the rotating process is parallel to the upper surface of the conveying frame (1), and the conveying frame (1) is provided with a steel wire flexible shaft (33) for driving the positioning rotating rod (31) to rotate and an adjusting screw rod (34) for driving the sliding panel (32) to slide, and the sliding panel (32) is in threaded connection with the adjusting screw rod (34);

the channel adjusting port (23) is positioned at one side of the width direction of the conveying frame (1), the opening adjusting plate (24) is hinged with the conveying frame (1) through a hinge screw (25), the hinge screw (25) is in threaded connection with the conveying frame (1) and is hinged with the opening adjusting plate (24), and a pushing elastic piece (26) for pushing the opening adjusting plate (24) to be abutted with the conveying frame (1) is arranged between the hinge screw (25) and the opening adjusting plate (24);

the positioning rotating rod (31) is hinged to the sliding panel (32) through a pin (5), the pin (5) comprises a hinged portion (51) which is arranged in a cylindrical shape and a limiting portion (52) which is fixedly connected with one end of the hinged portion (51), the limiting portion (52) comprises two limiting surfaces (521) which are arranged in parallel, the two limiting surfaces (521) are perpendicular to the end face of the hinged portion (51), the distance between the two limiting surfaces (521) and the central axis of the hinged portion (51) is the same and is larger than the radius of the outer side face of the hinged portion (51), hinge holes (323) for the hinged portion (51) to penetrate are formed in the positioning rotating rod (31) and the sliding panel (32), limiting grooves (311) for the limiting portions (52) to be embedded in are formed in the upper surface of the positioning rotating rod (31), and the two limiting surfaces (521) are respectively abutted to the two opposite side faces of the limiting grooves (311) in the state of being embedded in the limiting grooves (311).

2. The tissue conveying, positioning and centering adjustment device for a cover machine according to claim 1, wherein: the conveying device is characterized in that conveying shafts (4) used for driving conveying belts (22) to convey are arranged at two ends of the conveying frame (1) in the length direction, two ends of each conveying shaft (4) are rotatably connected with two sides of the conveying frame (1) in the width direction, each conveying belt (22) is sleeved on each conveying shaft (4), a driving motor (41) used for driving the conveying shafts (4) to rotate is further arranged on the conveying frame (1), a first driving wheel (42) is connected to an output shaft of each driving motor (41), a second driving wheel (43) is fixedly connected to one end of each conveying shaft (4) in a coaxial mode, a driving belt (44) is sleeved between each first driving wheel (42) and each second driving wheel (43), and the conveying shafts (4) fixedly connected with the second driving wheels (43) are driven to rotate through the first driving wheels (42) and the driving belts (44) under the working state of the driving motors (41).

3. The facial tissue conveying, positioning and centering adjustment device for a cover machine according to claim 2, wherein: the conveying belt is characterized in that a conveying groove (45) for embedding the conveying belt (22) is formed in the outer side face of the conveying shaft (4), the conveying groove (45) is annularly arranged along the circumferential direction of the outer side face of the conveying shaft (4), and the groove width of the conveying groove (45) is matched with the bandwidth of the conveying belt (22).

4. The tissue conveying, positioning and centering adjustment device for a cover machine according to claim 1, wherein: the adjusting screw rod (34) is axially fixed and circumferentially connected with the conveying frame (1), an adjusting rotating rod (35) for driving the adjusting screw rod (34) to rotate is further arranged on the conveying frame (1), one end of the adjusting screw rod (34) deviating from the sliding panel (32) is provided with a first transmission gear (341), one end of the adjusting rotating rod (35) is provided with a second transmission gear (351) meshed with the first transmission gear (341), and the other end of the adjusting rotating rod extends out of one side of the width direction of the conveying frame (1) and is fixedly connected with a hand wheel (352) for rotating the adjusting rotating rod (35).

5. The tissue conveying, positioning and centering adjustment device for a cover machine according to claim 1 or 4, wherein: the linear sliding device is characterized in that a linear sliding rail (321) is fixedly connected to the conveying frame (1), the length direction of the linear sliding rail (321) is the length direction of the conveying frame (1), a linear sliding block (322) capable of sliding on the linear sliding rail (321) is fixedly connected to the sliding panel (32), and the cross section of the sliding connection part of the linear sliding rail (321) and the linear sliding block (322) is in a dovetail groove structure.

6. The tissue conveying, positioning and centering adjustment device for a cover machine according to claim 1, wherein: one end of the steel wire flexible shaft (33) is connected with the positioning rotary rod (31) in a threaded manner, the other end of the steel wire flexible shaft is connected with a flexible shaft knob (331) used for rotating the steel wire flexible shaft (33), one end of the steel wire flexible shaft (33) close to the positioning rotary rod (31) is axially fixed with the sliding panel (32) and is rotationally connected in the circumferential direction, one end of the steel wire flexible shaft (33) connected with the flexible shaft knob (331) is rotationally connected with one side of the width direction of the conveying frame (1), and the positioning rotary rod (31) is driven to rotate around the hinged position of the positioning rotary rod and the conveying frame (1) in the rotating state of the flexible shaft knob (331).

7. The tissue conveying, positioning and centering adjustment device for a cover machine according to claim 6, wherein: an anti-backlash elastic piece (332) for eliminating a thread clearance between the joint of the steel wire flexible shaft (33) and the positioning rotary rod (31) is arranged between the sliding panel (32) and the positioning rotary rod (31).

8. The tissue conveying, positioning and centering adjustment device for a cover machine according to claim 1, wherein: one end of the hinge part (51) far away from the limiting part (52) is provided with a fixing threaded hole (511), a fixing screw (512) is screwed in the fixing threaded hole (511), and a retainer ring (513) and an elastic gasket (514) are clamped between the fixing screw (512) and the lower surface of the sliding panel (32).