CN212274763U

CN212274763U - Floating three-roller back leather mechanism

Info

Publication number: CN212274763U
Application number: CN202020790089.7U
Authority: CN
Inventors: 王承意; 李昌国; 戴和平; 王天鹏
Original assignee: Liuyang Hengbang Machinery Factory (general Partnership)
Current assignee: Liuyang Hengbang Machinery Factory (general Partnership)
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-01-01
Anticipated expiration: 2030-05-13

Abstract

The utility model relates to a floating three-roller mounting leather mechanism, including frame, a mounting leather roller I, a mounting leather roller II, a mounting leather roller III, main motor, the both ends of a mounting leather roller I are installed in the frame through the bearing frame respectively, a mounting leather roller I links to each other with main motor, a mounting leather roller I, a mounting leather roller II are parallel to each other with the central axis of a mounting leather roller III. The back leather roller II is connected with the driving unit I, and the back leather roller III is connected with the driving unit II. The utility model discloses novel structure has advantages such as strong adaptability, strip of paper used for sealing no wrinkle, no card material, can adapt to the packing of a little crooked fiber container.

Description

Floating three-roller back leather mechanism

Technical Field

The utility model relates to a packaging equipment technical field of fireworks product, concretely relates to floating three-roller mounting skin mechanism for spitting pearl class fireworks product.

Background

The bead-spitting firework product is one kind of fireworks, and the bead-spitting firework product is a slender cylinder with a length of 200-2000mm and a diameter of 10-30 mm. The production process of the bead-spitting firework product generally comprises the steps of rolling, bottoming, inserting and guiding, applying chemicals, mounting and the like, wherein the mounting is formed by winding colored strip-shaped mounting paper on the outer surface of a paper tube by adopting manual or mechanical equipment.

For the mount skin of the long-size bead spitting firework product, manual operation is still adopted at present, and reliable equipment which can be put into mass production does not exist. The existing mount leather mechanisms are all in the experimental stage, are generally only used for short-size paper tubes and are not suitable for long-size paper tubes. The existing mount leather mechanism has the problem that the mount leather is wrinkled, namely the long strip-shaped mount leather paper which is wound and wrapped on the outer surface of a paper tube after the mount leather has a plurality of wrinkles and is not smooth, and the wrinkled bead-spitting firework product has great quality for exporters.

The long paper tube is a semi-finished product which is filled with medicines and is arranged in front of the mount leather, wherein the long paper tube is slightly bent, the requirement on the mount leather mechanism is high, the existing mount leather machine cannot effectively mount the slightly bent paper tube, and the slightly bent paper tube is difficult to feed and is easy to cause the problems of blocking and wrinkling of the mount leather.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a floating three-roller mount leather mechanism.

The utility model discloses a following technical scheme realizes:

a floating type three-roller back leather mechanism comprises a rack, a first back leather roller, a second back leather roller, a third back leather roller and a main motor, wherein two ends of the first back leather roller are respectively installed on the rack through bearing seats, the first back leather roller is connected with the main motor, and the central axes of the first back leather roller, the second back leather roller and the third back leather roller are parallel to each other.

Further, the mount leather roller II is connected with the driving unit I, and the mount leather roller III is connected with the driving unit II.

Preferably, the driving unit one comprises a first swing arm, a first rotating shaft, a first connecting arm, a first connecting pin, a first annular joint, a first pull rod, a second annular joint, a second connecting pin, a first connecting rod, a second rotating shaft, a first swinging rod, a first cam and a driving shaft; the right end of the first swing arm is movably connected with the second mount leather roller, the left end of the first swing arm is fixedly connected with a first rotating shaft, a first connecting arm is fixedly mounted on the first rotating shaft, the left end of the first connecting arm is connected with a first annular joint through a first connecting pin, the first annular joint is fixedly connected with the upper end of a first pull rod, the lower end of the first pull rod is fixedly connected with a second annular joint, the second annular joint is movably connected with the left end of a first connecting rod through a second connecting pin, the right end of the first connecting rod is fixedly mounted on a second rotating shaft, a first swing rod is fixedly mounted on the second rotating shaft, the right end of the first swing rod is in contact connection with a first cam, and the first cam is fixedly mounted on a driving shaft.

Preferably, the second driving unit comprises a second swing arm, a third rotating shaft, a second connecting arm, a third connecting pin, a third annular joint, a second pull rod, a fourth connecting pin, a fourth annular joint, a second connecting rod, a fourth rotating shaft, a second swing rod and a second cam; the right end of the second swing arm is movably connected with the third mounting roller, the left end of the second swing arm is fixedly installed on a third rotating shaft, a second connecting arm is fixedly installed on the third rotating shaft, the left end of the second connecting arm is connected with a third annular joint through a third connecting pin, the third annular joint is fixedly connected with the upper end of a second pull rod, the lower end of the second pull rod is fixedly connected with a fourth annular joint, the fourth annular joint is movably connected with the left end of a second connecting rod through a fourth connecting pin, the right end of the second connecting rod is fixedly installed on a fourth rotating shaft, a second swing rod is fixedly installed on the fourth rotating shaft, the right end of the second swing rod is in contact connection with the second cam, and the second cam is also fixedly installed on a driving shaft.

Further, the second mount leather roller and the third mount leather roller are multi-section elastic rollers, the multi-section elastic rollers are formed by connecting a plurality of roller shafts through movable connecting units, and the movable connecting units are universal couplings, movable hinges, elastic couplings or other elastic connecting devices.

Preferably, a wrapper paper feeding unit is arranged on the right side of the wrapper roller I and comprises a clamping device, a third swing arm, a fifth rotating shaft, a fifth connecting pin, a fifth annular joint, a third pull rod, a sixth connecting pin, a sixth annular joint, a third connecting rod, a sixth rotating shaft, a third swing rod and a third cam; clamping device links to each other with swing arm three is fixed, the lower part right side of swing arm three links to each other with fifth rotation axis activity, the lower part left side of swing arm three links to each other with fifth annular joint through the fifth connecting pin, fifth annular joint links to each other with the upper end fixed of third pull rod, the lower extreme and the sixth annular joint of third pull rod link to each other fixedly, the sixth annular joint passes through the left end activity of sixth connecting pin with the third connecting rod and links to each other, the right-hand member fixed mounting of third connecting rod is on the sixth rotation axis, fixed mounting has the third swinging arms on the sixth rotation axis, the right-hand member and the three contact of cam of third swinging arms link to each other, three also fixed mounting of cam are on the driving shaft.

Preferably, clamping device includes solid fixed splint, centre gripping arm, rotating pin, rotation seat, centre gripping cylinder, install on the solid fixed splint and rotate the seat, rotate and install the rotating pin on the seat, be equipped with the round pin shaft hole on the centre gripping arm, the rotating pin passes the round pin shaft hole, makes centre gripping arm movable mounting rotate on the seat, the right-hand member of centre gripping arm links to each other with the push rod of centre gripping cylinder.

Furthermore, the wrapper paper feeding unit further comprises a first guide plate and a second guide plate, the first guide plate is obliquely arranged at the upper right side of the backing roller I, an arc-shaped guide groove is formed in the second guide plate, a guide wheel matched with the arc-shaped guide groove is arranged in the arc-shaped guide groove, and the guide wheel is arranged on the upper portion of the swing arm III.

Further, the first driving unit and the second driving unit are an air cylinder driving mechanism, a hydraulic cylinder driving mechanism or a motor driving mechanism.

The working principle of the utility model is as follows:

when the main motor is started, the first backing leather roller and the driving shaft are driven to rotate, the first cam and the second cam which are installed on the driving shaft also rotate along with the first cam, the first cam pushes the first swinging rod to swing, the first swinging rod drives the first connecting rod to swing through the second rotating shaft, the first connecting rod drives the first pull rod to move upwards or downwards through the second connecting pin and the second annular joint, the first pull rod drives the first connecting arm to rotate through the first annular joint and the first connecting pin, and the first connecting arm drives the first swinging arm and the second backing leather roller to swing upwards or downwards through the first rotating shaft.

The second cam pushes the second swing rod to swing, the second swing rod drives the second connecting rod to swing through the fourth rotating shaft, the second connecting rod drives the second pull rod to move upwards or downwards through the fourth connecting pin and the fourth annular joint, the second pull rod drives the second connecting arm to rotate through the third annular joint and the third connecting pin, and the second connecting arm drives the second swing arm and the third backing leather roller to swing leftwards or rightwards through the third rotating shaft.

When the mount leather roller II swings upwards, the distance between the mount leather roller II and the mount leather roller I is increased, so that the paper tube and the cover paper can smoothly enter; when the mount leather roller II swings downwards, the mount leather roller II and the mount leather roller I press the paper cylinder and the cover paper from two sides, at the moment, the mount leather roller swings right and left, the paper cylinder and the cover paper are supported from the left lower side, and the cover paper is wound and adhered on the surface of the paper cylinder under the driving of the rotation of the mount leather roller I, so that the mount leather action is realized. Then the mount leather roller swings left in three directions, the distance between the third mount leather roller and the first mount leather roller is increased, the paper tube behind the mount leather falls into the lower part of the mount leather mechanism from the space between the third mount leather roller and the first mount leather roller, and a material receiving disc or a material receiving box is generally arranged below the mount leather mechanism.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model relates to a floating three-roller is equipped with leather mechanism and is different from current manual cloth and other cloth mechanisms, and current cloth mechanism generally adopts two cloth rollers, and the direction of rotation of cloth roller is opposite, when the cloth paper goes on two cloth rollers with the fiber container between, and the cloth roller passes through frictional force and drives the fiber container rotation, compresses tightly the cloth paper simultaneously and pastes on the fiber container surface, and two cloth rollers are along two center lines of cloth roller to the effort direction of cloth paper and fiber container.

For long-size fiber container, especially for the fiber container of little bending, the current skin mechanism of backing appears the fiber container feeding difficulty easily, appears card material easily, the skin of backing corrugates the scheduling problem, the utility model discloses a floating three-roller structure comprises a skin roller of backing, a skin roller of backing second, a skin roller of backing third respectively, the skin roller of backing first is the active roll by main motor drive, and its position is unchangeable, and skin roller of backing second, skin roller of backing third are the passive roll, skin roller of backing second, skin roller of backing third are located the upper left side of skin roller of backing first, left side position respectively, skin roller of backing second, skin roller of backing third are driven through driving shaft, cam link mechanism by main motor respectively and are realized the skin action of backing and feeding and ejection of compact, and the operating time and the speed of each part are harmonious, do not need complicated electric control device, have the skin of backing, the action is harmonious, the advantage of not corrugating on surface.

In addition, the utility model discloses a back leather roller two can the luffing motion, back leather roller three can the horizontal hunting, back leather roller two, back leather roller three can also adopt multisection formula elastic roller structure, multisection formula elastic roller is formed through the swing joint unit connection by a plurality of roller. When a long-size bent paper tube is encountered, the mount leather roller II and the mount leather roller III can be properly bent and deformed under the elastic action of the movable connecting unit, so that the shape of the paper tube is better adapted, and the problems of difficult feeding, easy material blocking and mount leather wrinkling of the slightly bent paper tube are solved.

Secondly, the utility model discloses can also set up the packing paper feed unit on the right side of packing leather roller one, replace the manual work with automatic paper feed to form paper. When the driving shaft rotates, a third cam installed on the driving shaft also rotates along with the driving shaft, the third cam drives a third pull rod to move up and down through a third swinging rod, a sixth rotating shaft, a third connecting rod, a sixth connecting pin and a sixth annular joint, and the third pull rod drives a third swinging arm to swing through a fifth annular joint and a fifth connecting pin. The clamping device can realize the actions of clamping and releasing paper under the action of the cylinder. Because the upper portion of swing arm three is installed two leading wheels that can follow arc guide way round trip movement, under the effect of leading wheel and arc guide way, swing arm three can drive clamping device and carry the wrapper paper and realize swinging left, right along the arc guide way, realize the feeding action of paper.

Drawings

Fig. 1 is a schematic structural diagram of the present invention. Fig. 2 is a schematic structural diagram of a first driving unit and a second driving unit in embodiment 1. FIG. 3 is a schematic structural view of a multi-segment elastic roller. 3 fig. 34 3 is 3 a 3 view 3 a 3- 3 a 3 of 3 fig. 33 3. 3 Fig. 5 is a schematic structural diagram of a first driving unit, a second driving unit and a sealing paper feeding unit in embodiment 2. FIG. 6 is a schematic structural view of a cover paper feeding unit. Fig. 7 is a schematic structural view of a swing arm three and a clamping device.

In the drawing, 1, a first side plate, 2, a second side plate, 3, a connecting rod, 4, a first mounting roller, 5, a second mounting roller, 6, a third mounting roller, 7, a main motor, 8, a first swing arm, 9, a first through hole, 10, a second through hole, 11, a first rotating shaft, 12, a first connecting arm, 13, a third through hole, 14, a fourth through hole, 15, a first connecting pin, 16, a first annular joint, 17, a first pull rod, 18, a second annular joint, 19, a second connecting pin, 20, a fifth through hole, 21, a first connecting rod, 22, a sixth through hole, 23, a second rotating shaft, 24, a seventh through hole, 25, a first swing rod, 26, a first cam, 27, an eighth through hole, 28, a driving shaft, 29, a second swing arm, 30, a ninth through hole, 31, a tenth through hole, 32, a third rotating shaft, 33, a connecting arm II, 34, an eleventh through hole, 35, a twelfth through hole, 36, a third connecting pin, 37, a third annular joint, 38, a second pull rod, 39, a fourth annular joint, 40, a fourth connecting pin, 41, a thirteenth through hole, 42, a second connecting rod, 43, a fourteenth through hole, 44, a fourth rotating shaft, 45, a fifteenth through hole, 46, a second swinging rod, 47, a cam II, 48, a sixteenth through hole, 49, a fixed connecting block, 50, a movable connecting block, 51, a shaft handle mounting hole, 52, a roller shaft, 53, a shaft handle, 54, a stopper, 55, a compression spring, 56, a rotating shaft connecting hole, 57, a packing paper feeding unit, 58, a clamping device, 59, a swinging arm III, 60, a seventeenth through hole, 61, a fifth rotating shaft, 62, an eighteenth through hole, 63. fifth connecting pin, 64 fifth annular joint, 65 third pull rod, 66 sixth annular joint, 67 sixth connecting pin, 68 third connecting rod, 69 nineteenth through hole, 70 sixth rotating shaft, 71 third swinging rod, 72 cam third, 73 twentieth through hole, 74 fixed splint, 75 rotating seat, 76 rotating pin, 77 clamping arm, 78 pin shaft hole, 79 clamping cylinder, 80 first guide plate, 81 second guide plate, 82 arc guide groove, 83 guide wheel.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in figure 1, the floating type three-roller back leather mechanism comprises a frame, a back leather roller I4, a driving unit I, a back leather roller II 5, a driving unit II, a back leather roller III 6 and a main motor 7.

The frame includes first curb plate 1, second curb plate 2, connecting rod 3, first curb plate 1, second curb plate 2 are located the both sides of frame respectively, and first curb plate 1, second curb plate 2 are parallel to each other. The first side plate 1 and the second side plate 2 are identical in shape and are made of steel plates with the thickness of 3-18 mm. Install a plurality of connecting rods 3 between first curb plate 1, the second curb plate 2, connecting rod 3 can adopt square steel, steel pipe or channel-section steel preparation, the one end of connecting rod 3 links to each other with first curb plate 1 through welding or bolted connection's mode is fixed, the other end of connecting rod 3 links to each other with second curb plate 2 through welding or bolted connection's mode is fixed.

Two ends of the mount leather roller I4 are respectively installed on the first side plate 1 and the second side plate 2 on two sides of the frame through bearing seats. The central axes of the mount leather roller I4, the mount leather roller II 5 and the mount leather roller III 6 are parallel to each other. The main motor 7 is installed on the first side plate 1 of the rack, the main motor 7 is a stepping motor, an output shaft of the main motor 7 is connected with one end of the backing leather roller 4 through a shaft coupling or a transmission mechanism, and the transmission mechanism is a chain transmission mechanism, a gear transmission mechanism or a belt transmission mechanism. The cloth leather roller I4, the cloth leather roller II 5 and the cloth leather roller III 6 are all cylindrical, the cloth leather roller I4 is made of round steel or a steel pipe made of stainless steel materials, and the radius of the cloth leather roller is 15-50 mm.

As shown in fig. 2, the mount leather roller two 5 is connected with the driving unit one, the driving unit one comprises a swing arm one 8, a first rotating shaft 11, a connecting arm one 12, a first annular joint 16, a first pull rod 17, a second annular joint 18, a first connecting rod 21, a second rotating shaft 23, a first swing rod 25, a cam one 26 and a driving shaft 28, a first through hole 9 is formed at the right end of the swing arm one 8, the first through hole 9 is matched with shaft handles 53 at two ends of the mount leather roller two 5, and the shaft handle 53 is in rotating connection with the first through hole 9 through the first through hole 9. The left end of swing arm 8 is equipped with second through-hole 10, second through-hole 10 and first rotation axis 11 looks adaptation, first rotation axis 11 passes second through-hole 10 on swing arm 8, the left end of swing arm 8 passes through bolt fastening or welded mode and installs on first rotation axis 11, the both ends of first rotation axis 11 are installed on first curb plate 1, the second curb plate 2 of frame both sides through the bearing frame respectively. When the first rotating shaft 11 rotates, the swing arm one 8 can be driven to rotate. The right end of the first connecting arm 12 is provided with a third through hole 13, the third through hole 13 is matched with the first rotating shaft 11, and the right end of the first connecting arm 12 is installed on the first rotating shaft 11 in a bolt fixing or welding mode. The left end of the first connecting arm 12 is provided with a fourth through hole 14, a first connecting pin 15 is arranged in the fourth through hole 14, the fourth through hole 14 is connected with a first annular joint 16, and the first connecting pin 15 is rotatably connected with the first annular joint 16 through the fourth through hole 14.

The first annular joint 16 is fixedly connected with the upper end of a first pull rod 17 in a threaded connection or welding mode, the lower end of the first pull rod 17 is fixedly connected with a second annular joint 18 in a threaded connection or welding mode, and the second annular joint 18 is movably connected with the left end of a first connecting rod 21 through a second connecting pin 19. The left end of first connecting rod 21 is equipped with fifth through-hole 20, second connecting pin 19 passes fifth through-hole 20 and the annular joint formation of first connecting rod 21 left end and rotates and be connected, the right-hand member of first connecting rod 21 is equipped with sixth through-hole 22, be equipped with second rotation axis 23 in the sixth through-hole 22, the right-hand member of first connecting rod 21 passes through bolt fastening or welded mode and is connected with second rotation axis 23 is fixed, fixed mounting has first swinging arms 25 on the second rotation axis 23, the left end of first swinging arms 25 is equipped with seventh through-hole 24, seventh through-hole 24 and second rotation axis 23 looks adaptation, the left end of first swinging arms 25 passes through bolt fastening or welded mode and is connected with second rotation axis 23 is fixed, the right-hand member of first swinging arms 25 is connected with first cam 26 contact. The center of the first cam 26 is provided with an eighth through hole 27, the eighth through hole 27 is matched with the driving shaft 28, and the first cam 26 is installed on the driving shaft 28 in a bolt fixing or welding mode. Bearing seats are respectively installed at two ends of the second rotating shaft 23 and the driving shaft 28, and the bearing seats are respectively fixed on the first side plate 1 and the second side plate 2 of the rack. The driving shaft 28 can be driven by a separate driving motor, and can also be connected with the main motor 7 through a transmission mechanism and driven by the main motor 7.

The back leather roller III 6 is connected with the driving unit II, the driving unit II comprises a swing arm II 29, a third rotating shaft 32, a connecting arm II 33, a third annular joint 37, a second pull rod 38, a fourth annular joint 39, a second connecting rod 42, a fourth rotating shaft 44, a second swinging rod 46 and a cam II 47, a ninth through hole 30 is formed in the right end of the swing arm II 29, the ninth through hole 30 is matched with shaft handles 53 at two ends of the back leather roller III 6, and the shaft handle 53 is in rotating connection with the ninth through hole 30 through the ninth through hole 30. The left end of swing arm two 29 is equipped with tenth through-hole 31, tenth through-hole 31 and third rotation axis 32 looks adaptation, third rotation axis 32 passes the tenth through-hole 31 on the swing arm two 29, the left end of swing arm two 29 is installed on third rotation axis 32 through bolt fastening or welded mode, the both ends of third rotation axis 32 are installed on first curb plate 1, the second curb plate 2 of frame both sides through the bearing frame respectively. When the third rotating shaft 32 rotates, the second swing arm 29 can be driven to rotate. The right end of the second connecting arm 33 is provided with an eleventh through hole 34, the eleventh through hole 34 is matched with the third rotating shaft 32, and the right end of the second connecting arm 33 is installed on the third rotating shaft 32 in a bolt fixing or welding mode. The left end of the second connecting arm 33 is provided with a twelfth through hole 35, a third connecting pin 36 is arranged in the twelfth through hole 35, the twelfth through hole 35 is connected with a third annular joint 37, and the third connecting pin 36 penetrates through the twelfth through hole 35 and the third annular joint 37 to form rotary connection. The third annular joint 37 is fixedly connected with the upper end of the second pull rod 38 in a threaded connection or welding manner, the lower end of the second pull rod 38 is fixedly connected with a fourth annular joint 39 in a threaded connection or welding manner, and the fourth annular joint 39 is movably connected with the left end of the second connecting rod 42 through a fourth connecting pin 40. The left end of the second connecting rod 42 is provided with a thirteenth through hole 41, the second connecting pin 19 passes through the thirteenth through hole 41 at the left end of the second connecting rod 42 to form a rotary connection with the annular joint, the right end of the second connecting rod 42 is provided with a fourteenth through hole 43, a fourth rotating shaft 44 is arranged in the fourteenth through hole 43, the right end of the second connecting rod 42 is fixedly connected with the fourth rotating shaft 44 in a bolt fixing or welding manner, a second swing rod 46 is fixedly mounted on the fourth rotating shaft 44, the left end of the second swing rod 46 is provided with a fifteenth through hole 45, the fifteenth through hole 45 is matched with the fourth rotating shaft 44, the left end of the second swing rod 46 is fixedly connected with the fourth rotating shaft 44 in a bolt fixing or welding manner, and the right end of the second swing rod 46 is in contact connection with the second cam 47. And a sixteenth through hole 48 is formed in the center of the second cam 47, the sixteenth through hole 48 is matched with the driving shaft 28, and the second cam 47 is installed on the driving shaft 28 in a bolt fixing or welding mode. Bearing seats are respectively installed at two ends of the fourth rotating shaft 44 and the driving shaft 28, and the bearing seats are respectively fixed on the first side plate 1 and the second side plate 2 of the rack.

As shown in fig. 3 and 4, the second mount leather roller 5 in the present embodiment is preferably a multi-section elastic roller, which is formed by connecting a plurality of roller shafts 52 through a movable connecting unit. Every roller 52 is solid or hollow cylinder structure, and every roller 52 all adopts stainless steel pipe or round steel preparation, the both ends of roller 52 are equipped with the arbor 53 of cylinder shape through welding or cutting process's mode, arbor 53 adopts stainless steel round steel or elastic material preparation. Each roll shaft 52 is connected with another adjacent roll shaft 52 through a movable connection unit, each movable connection unit comprises a fixed connection block 49, a movable connection block 50, a shaft handle installation hole 51, a rotation shaft connection hole 56, a stop block 54 and a compression spring 55, the fixed connection block 49 is fixedly installed on the first rotation shaft 11 in a welding or bolt fastening mode, the movable connection block 50 is arranged on the side edge of the fixed connection block 49, a shaft handle installation hole 51 is formed in the front end of the movable connection block 50, the shaft handle installation hole 51 is a circular hole through hole, shaft handles 53 at two ends of each roll shaft 52 are movably installed in the shaft handle installation holes 51, and the aperture of each shaft handle installation hole 51 is slightly larger than the outer diameter of each shaft handle 53. Rotation shaft connecting hole 56 is arranged at the rear end of movable connecting block 50, rotation shaft connecting hole 56 is a circular through hole, rotation shaft connecting hole 56 is matched with first rotation shaft 11, movable connecting block 50 is connected with first rotation shaft 11 in a rotating fit manner through rotation shaft connecting hole 56, and movable connecting block 50 can rotate around first rotation shaft 11. A stop block 54 is installed above the movable connecting block 50 in a welding or bolt connection mode, a compression spring 55 is arranged between the stop block 54 and the fixed connecting block 49, the upper end of the compression spring 55 is connected with the stop block 54 in a welding mode, and the lower end of the compression spring 55 is connected with the fixed connecting block 49 in a welding mode. Similarly, the mounting leather roller three 6 can adopt a similar multi-section type elastic roller structure.

When the slightly bent paper tube enters the positions among the mount leather roller I4, the mount leather roller II 5 and the mount leather roller III 6 adopt a multi-section elastic roller structure, and the mount leather roller II 5 and the mount leather roller III 6 can be properly bent under the elastic action of the movable connecting unit, so that the paper tube is better adapted to the appearance of the paper tube, and the problems that the slightly bent paper tube is difficult to feed, is easy to block materials and is wrinkled are solved. It should be noted that, a universal coupling, a movable hinge, an elastic coupling or other elastic connection device may be used to connect each roller shaft 52 with another adjacent roller shaft 52, and the mount rollers one 4 and two 5 may be a multi-section elastic roller structure at the same time, or one of them may be a multi-section elastic roller structure, which should be included in the scope of the present invention.

Example 2

As shown in figures 1, 5, 6 and 7, the floating three-roller back leather mechanism comprises a frame, a back leather roller I4, a driving unit I, a back leather roller II 5, a driving unit II, a back leather roller III 6, a main motor 7 and a paper tube feeding device.

As shown in fig. 1, the rack includes a first side plate 1, a second side plate 2, and a connecting rod 3, where the first side plate 1 and the second side plate 2 are respectively located at two sides of the rack, and the first side plate 1 and the second side plate 2 are parallel to each other. The first side plate 1 and the second side plate 2 are identical in shape and are made of steel plates with the thickness of 3-18 mm. Install a plurality of connecting rods 3 between first curb plate 1, the second curb plate 2, connecting rod 3 can adopt square steel, steel pipe or channel-section steel preparation, the one end of connecting rod 3 links to each other with first curb plate 1 through welding or bolted connection's mode is fixed, the other end of connecting rod 3 links to each other with second curb plate 2 through welding or bolted connection's mode is fixed.

Two ends of the mount leather roller I4 are respectively installed on the first side plate 1 and the second side plate 2 on two sides of the frame through bearing seats. The central axes of the mount leather roller I4, the mount leather roller II 5 and the mount leather roller III 6 are parallel to each other. One end of the mount leather roller I4 is fixedly connected with an output shaft of a main motor 7 through welding or a shaft coupling, the main motor 7 is installed on the first side plate 1, and the main motor 7 adopts a stepping motor. The cloth leather roller I4, the cloth leather roller II 5 and the cloth leather roller III 6 are all cylindrical, the cloth leather roller I4 is made of round steel made of stainless steel materials, and the radius of the round steel is 15-50 mm. The distance between the mount leather roller I4 and the mount leather roller II 5 is 0.01-1mm smaller than the outer diameter of the paper tube, and the distance between the mount leather roller II 5 and the mount leather roller III 6 is 0.05-1mm smaller than the outer diameter of the paper tube. The mount leather roller II 5 or the mount leather roller III 6 adopts a multi-section elastic roller which is formed by connecting a plurality of roller shafts 52 through a movable connecting unit. The movable connecting unit is a universal coupling, a movable hinge, an elastic coupling or other elastic connecting devices.

As shown in fig. 5, the mount leather roller two 5 is connected with the driving unit one, the driving unit one comprises a swing arm one 8, a first rotating shaft 11, a connecting arm one 12, a first annular joint 16, a first pull rod 17, a second annular joint 18, a first connecting rod 21, a second rotating shaft 23, a first swing rod 25, a cam one 26 and a driving shaft 28, a first through hole 9 is formed at the right end of the swing arm one 8, the first through hole 9 is matched with shaft handles 53 at two ends of the mount leather roller two 5, and the shaft handle 53 is in rotating connection with the first through hole 9 through the first through hole 9. The left end of swing arm 8 is equipped with second through-hole 10, second through-hole 10 and first rotation axis 11 looks adaptation, first rotation axis 11 passes second through-hole 10 on swing arm 8, the left end of swing arm 8 passes through bolt fastening or welded mode and installs on first rotation axis 11, the both ends of first rotation axis 11 are installed on first curb plate 1, the second curb plate 2 of frame both sides through the bearing frame respectively. When the first rotating shaft 11 rotates, the swing arm one 8 can be driven to rotate. The right end of the first connecting arm 12 is provided with a third through hole 13, the third through hole 13 is matched with the first rotating shaft 11, and the right end of the first connecting arm 12 is installed on the first rotating shaft 11 in a bolt fixing or welding mode. The left end of the first connecting arm 12 is provided with a fourth through hole 14, a first connecting pin 15 is arranged in the fourth through hole 14, the fourth through hole 14 is connected with a first annular joint 16, and the first connecting pin 15 is rotatably connected with the first annular joint 16 through the fourth through hole 14. The first annular joint 16 is fixedly connected with the upper end of a first pull rod 17 in a threaded connection or welding mode, the lower end of the first pull rod 17 is fixedly connected with a second annular joint 18 in a threaded connection or welding mode, and the second annular joint 18 is movably connected with the left end of a first connecting rod 21 through a second connecting pin 19. The left end of first connecting rod 21 is equipped with fifth through-hole 20, second connecting pin 19 passes fifth through-hole 20 and the annular joint formation of first connecting rod 21 left end and rotates and be connected, the right-hand member of first connecting rod 21 is equipped with sixth through-hole 22, be equipped with second rotation axis 23 in the sixth through-hole 22, the right-hand member of first connecting rod 21 passes through bolt fastening or welded mode and is connected with second rotation axis 23 is fixed, fixed mounting has first swinging arms 25 on the second rotation axis 23, the left end of first swinging arms 25 is equipped with seventh through-hole 24, seventh through-hole 24 and second rotation axis 23 looks adaptation, the left end of first swinging arms 25 passes through bolt fastening or welded mode and is connected with second rotation axis 23 is fixed, the right-hand member of first swinging arms 25 is connected with first cam 26 contact. The center of the first cam 26 is provided with an eighth through hole 27, the eighth through hole 27 is matched with the driving shaft 28, and the first cam 26 is installed on the driving shaft 28 in a bolt fixing or welding mode. Bearing seats are respectively installed at two ends of the second rotating shaft 23 and the driving shaft 28, and the bearing seats are respectively fixed on the first side plate 1 and the second side plate 2 of the rack. The driving shaft 28 can be driven by a separate driving motor, and can also be connected with the main motor 7 through a transmission mechanism and driven by the main motor 7.

As shown in fig. 5, 6 and 7, a cover paper feeding unit 57 is arranged on the right side of the mount roller I4, and the cover paper feeding unit 57 comprises a clamping device 58, a third swing arm 59, a fifth rotating shaft 61, a fifth connecting pin 63, a fifth annular joint 64, a third pull rod 65, a sixth connecting pin 67, a sixth annular joint 66, a third connecting rod 68, a sixth rotating shaft 70, a third swing rod 71 and a third cam 72.

The clamping device 58 is fixedly connected with the third swing arm 59, the third swing arm 59 is C-shaped and is made by cutting a steel plate. The lower part of the third swing arm 59 is provided with a seventeenth through hole 60 and an eighteenth through hole 62, the seventeenth through hole 60 is positioned on the right side of the lower part of the third swing arm 59, a fifth rotating shaft 61 is movably arranged in the seventeenth through hole 60, the seventeenth through hole 60 is matched with the fifth rotating shaft 61, and the third swing arm 59 is connected with the fifth rotating shaft 61 in a rotating matching manner. The fifth rotating shaft 61 is made of round steel or steel pipes, and two ends of the fifth rotating shaft 61 are mounted on the first side plate 1 and the second side plate 2 of the rack through bearings. Eighteenth through-hole 62 is located the left side of the three 59 lower parts of swing arm, the left below of the three 59 lower parts of swing arm is equipped with third pull rod 65, the upper end and the fifth annular joint 64 of third pull rod 65 are fixed and link to each other, fifth annular joint 64 links to each other with the eighteenth through-hole 62 on the three 59 lower parts right sides of swing arm through fifth connecting pin 63, fifth connecting pin 63 passes fifth annular joint 64, eighteenth through-hole 62 and forms the rotation connection.

The lower end of the third pull rod 65 is fixedly connected with a sixth annular joint 66, the sixth annular joint 66 is movably connected with the left end of a third connecting rod 68 through a sixth connecting pin 67, a nineteenth through hole 69 is formed in the left end of the third connecting rod 68, and the sixth connecting pin 67 penetrates through the sixth annular joint 66 and the nineteenth through hole 69 to form rotary connection. The right end of the third connecting rod 68 is fixedly connected with a sixth rotating shaft 70 through welding or bolt connection, and a third swinging rod 71 is fixedly mounted on the sixth rotating shaft 70 through welding or bolt connection. The right end of the third swinging rod 71 is connected with a cam third 72 in a contact manner, a twentieth through hole 73 is formed in the center of the cam third 72, the twentieth through hole 73 is matched with the driving shaft 28, and the driving shaft 28 penetrates through the twentieth through hole 73 in the cam third 72 and is fixedly connected with the cam third 72 in a key or welding manner.

As shown in fig. 7, the clamping device 58 may be a cylinder clamping device 58, a hydraulic clamping device 58, or a motor clamping device 58 having a clamping function. In this embodiment, the clamping device 58 includes a fixed clamp plate 74, a clamping arm 77, a rotating pin 76, a rotating seat 75, and a clamping cylinder 79, the fixed clamp plate 74 is a thin steel plate, the bottom of the fixed clamp plate 74 is fixedly connected with the swing arm three 59 through a bolt connection or a welding manner, the fixed clamp plate 74 is welded with the rotating seat 75, and the rotating seat 75 is provided with the rotating pin 76. The left end of the clamping arm 77 is in a finger shape, the middle part of the clamping arm 77 is provided with a pin shaft hole 78, the rotating pin 76 penetrates through the pin shaft hole 78, so that the clamping arm 77 is movably installed on the rotating seat 75, and the right end of the clamping arm 77 is connected with a push rod of the clamping cylinder 79 through a hinge or a pin shaft. When the cylinder is operated, the left end of the clamp arm 77 is pushed to form an action of clamping the cover paper and releasing the cover paper between the fixed clamp plate 74.

Preferably, the cover paper feeding unit 57 further includes a first guide plate 80 and a second guide plate 81. The first guide plate 80 is made of thin steel plate and is obliquely arranged at the upper right part of the mount leather roller I4. Second deflector 81 is the cuboid shape, adopts stainless steel or square steel preparation, second deflector 81 passes through bolted connection or welded mode to be fixed on the first curb plate 1 of frame, it has two arc guide ways 82 to open on the second deflector 81, is equipped with two leading wheels 83 of looks adaptation in two arc guide ways 82 respectively, and the upper portion at swing arm three 59 is installed to two leading wheels 83.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. A floating three-roller mount leather mechanism is characterized in that: the device comprises a frame, a first mount leather roller, a second mount leather roller, a third mount leather roller and a main motor, wherein two ends of the first mount leather roller are respectively installed on the frame through bearing seats, the first mount leather roller is connected with the main motor, and the central axes of the first mount leather roller, the second mount leather roller and the third mount leather roller are parallel to each other.

2. The floating three-roller mount skin mechanism of claim 1, wherein: the back leather roller II is connected with the driving unit I, and the back leather roller III is connected with the driving unit II.

3. The floating three-roller mount skin mechanism of claim 2, wherein: the driving unit I comprises a first swing arm, a first rotating shaft, a first connecting arm, a first connecting pin, a first annular joint, a first pull rod, a second annular joint, a second connecting pin, a first connecting rod, a second rotating shaft, a first swing rod, a first cam and a driving shaft; the right end of the first swing arm is movably connected with the second mount leather roller, the left end of the first swing arm is fixedly connected with a first rotating shaft, a first connecting arm is fixedly mounted on the first rotating shaft, the left end of the first connecting arm is connected with a first annular joint through a first connecting pin, the first annular joint is fixedly connected with the upper end of a first pull rod, the lower end of the first pull rod is fixedly connected with a second annular joint, the second annular joint is movably connected with the left end of a first connecting rod through a second connecting pin, the right end of the first connecting rod is fixedly mounted on a second rotating shaft, a first swing rod is fixedly mounted on the second rotating shaft, the right end of the first swing rod is in contact connection with a first cam, and the first cam is fixedly mounted on a driving shaft.

4. The floating three-roller mount skin mechanism of claim 2, wherein: the second driving unit comprises a second swing arm, a third rotating shaft, a second connecting arm, a third connecting pin, a third annular joint, a second pull rod, a fourth connecting pin, a fourth annular joint, a second connecting rod, a fourth rotating shaft, a second swing rod and a second cam; the right end of the second swing arm is movably connected with the third mounting roller, the left end of the second swing arm is fixedly installed on a third rotating shaft, a second connecting arm is fixedly installed on the third rotating shaft, the left end of the second connecting arm is connected with a third annular joint through a third connecting pin, the third annular joint is fixedly connected with the upper end of a second pull rod, the lower end of the second pull rod is fixedly connected with a fourth annular joint, the fourth annular joint is movably connected with the left end of a second connecting rod through a fourth connecting pin, the right end of the second connecting rod is fixedly installed on a fourth rotating shaft, a second swing rod is fixedly installed on the fourth rotating shaft, the right end of the second swing rod is in contact connection with the second cam, and the second cam is also fixedly installed on a driving shaft.

5. The floating three-roller mount skin mechanism of claim 1, wherein: the second mount leather roller and the third mount leather roller are multi-section elastic rollers, the multi-section elastic rollers are formed by connecting a plurality of roller shafts through movable connecting units, and the movable connecting units are universal couplings, movable hinges, elastic couplings or elastic connecting devices.

6. The floating three-roller mount skin mechanism of claim 5, wherein: a wrapper paper feeding unit is arranged on the right side of the wrapper roller I and comprises a clamping device, a third swing arm, a fifth rotating shaft, a fifth connecting pin, a fifth annular joint, a third pull rod, a sixth connecting pin, a sixth annular joint, a third connecting rod, a sixth rotating shaft, a third swing rod and a third cam; clamping device links to each other with swing arm three is fixed, the lower part right side of swing arm three links to each other with fifth rotation axis activity, the lower part left side of swing arm three links to each other with fifth annular joint through the fifth connecting pin, fifth annular joint links to each other with the upper end fixed of third pull rod, the lower extreme and the sixth annular joint of third pull rod link to each other fixedly, the sixth annular joint passes through the left end activity of sixth connecting pin with the third connecting rod and links to each other, the right-hand member fixed mounting of third connecting rod is on the sixth rotation axis, fixed mounting has the third swinging arms on the sixth rotation axis, the right-hand member and the three contact of cam of third swinging arms link to each other, three also fixed mounting of cam are on the driving shaft.

7. The floating three-roller mount skin mechanism of claim 6, wherein: the clamping device comprises a fixed clamping plate, a clamping arm, a rotating pin, a rotating seat and a clamping cylinder, wherein the rotating seat is installed on the fixed clamping plate, the rotating pin is installed on the rotating seat, a pin shaft hole is formed in the clamping arm, the rotating pin penetrates through the pin shaft hole, the clamping arm is movably installed on the rotating seat, and the right end of the clamping arm is connected with a push rod of the clamping cylinder.

8. The floating three-roller mount skin mechanism of claim 6, wherein: the wrapper paper feeding unit further comprises a first guide plate and a second guide plate, the first guide plate is obliquely arranged on the upper right side of the first backing roller, an arc-shaped guide groove is formed in the second guide plate, a guide wheel matched with the first guide plate is arranged in the arc-shaped guide groove, and the guide wheel is arranged on the upper portion of the third swing arm.

9. The floating three-roller mount skin mechanism of claim 2, wherein: the first driving unit and the second driving unit are air cylinder driving mechanisms, hydraulic cylinder driving mechanisms or motor driving mechanisms.