Two-stage speed changing diaper ear pasting equipment
Technical Field
The utility model relates to a panty-shape diapers production facility technical field, in particular to panty-shape diapers ear subsides equipment of second grade variable speed.
Background
The ear pastes of the paper diaper are used for fixing after being worn, are trapezoidal, are generally cut into staggered and inverted arrangement on a strip material in order to reduce waste materials, and are arranged on the paper diaper in a left-right separated mode, so that one piece of equipment is needed for separating the cut ear pastes towards the outer side.
Chinese patent No. CN105155244B discloses a cutting and aligning system and method for diaper ear stickers, which comprises cutting ear stickers, attaching the cut left and right ear stickers by ear sticker attaching devices disposed on left and right rotating wheels, and rotating the attaching devices to the outside by a rotating aligning device to rotate the attaching devices to the bonding positions corresponding to the ear stickers. The end cam curve of the equipment can only be within a small angle, so that the speed change mutation is realized, the mechanical impact is large, the vibration is obvious, and the equipment can only be suitable for low-rotation-speed occasions; the replacement of the end face cam is very troublesome, needs professional technicians to disassemble and assemble, and adjusts the corresponding angle, and the position is difficult to align due to small mutation angle; the equipment cannot change the ear paste distance and cannot adapt to the width of two pieces of ear pastes corresponding to the multi-code number; the plane cam is replaced to change speed, and the speed is suddenly changed at a small angle (circumference), so that the speed generated by the mechanism can only be close to the speed of a product, and the speed cannot be completely matched.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a paper diaper ear pasting device with two-stage speed change.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a panty-shape diapers ear subsides equipment of second grade variable speed which characterized in that: comprises an ear sticker cutting device, a rotary crank speed change device, a multi-servo speed change and distance change device and a paper diaper conveying line;
cutting the densely arranged ear pastes by the ear paste cutting device;
the rotary crank speed change device includes:
the rotating disc can rotate around the axis of the rotating disc, and a first linear guide rail extending along the radial direction of the rotating disc is arranged on the rotating disc;
the first motor is used for driving the rotating disc to rotate;
the axis of the first circular guide rail is parallel to the axis of the rotating disc and arranged at intervals;
the first cylindrical cam is coaxially arranged with the first circular guide rail, and the peripheral surface of the first cylindrical cam is provided with a first track groove;
the plurality of steering adsorption mechanisms comprise a first supporting seat, two steering adsorption platforms, two driven wheels and a driving wheel, wherein the two steering adsorption platforms are respectively connected with the two driven wheels, the driving wheel is meshed with the two driven wheels, a first roller is arranged at the bottom of the driving wheel and matched with a first track groove, the first supporting seat comprises a first sliding block matched with a first circular guide rail and a second sliding block matched with a first linear guide rail, and the second sliding block is connected with the first supporting seat through a torsion arm;
the steering adsorption mechanism can be driven by the rotating disc to do variable-speed rotary motion along the first circular guide rail, and meanwhile, the driving wheel is driven by the first track groove to rotate through the first roller so as to drive the two steering adsorption tables to rotate relatively inwards to be close to an adjacent front-back arrangement state or rotate relatively outwards to be in an axisymmetric left-right arrangement state;
the multi-servo variable-speed pitch device comprises:
the supporting shaft is fixedly arranged;
the second circular guide rail is coaxially arranged with the support shaft;
the two second cylindrical cams are arranged on the supporting shaft at intervals, and second track grooves are formed in the two cylindrical cams respectively;
the variable-pitch adsorption mechanisms comprise a second support seat and two variable-pitch adsorption platforms, wherein a second linear guide rail is arranged on the second support seat, the two variable-pitch adsorption platforms are slidably arranged on the second linear guide rail, the two variable-pitch adsorption platforms are respectively provided with a second roller, the two second rollers are respectively matched with the two second track grooves, and a third sliding block matched with the second circular guide rail is arranged on the second support seat;
the servo motors are connected with the variable-pitch adsorption mechanism through a shaft sleeve mechanism and correspondingly drive the variable-pitch adsorption mechanism to rotate at variable speed along the second circular guide rail, and meanwhile, the two variable-pitch adsorption tables are driven to move by the second track groove through the second roller so that the two variable-pitch adsorption tables move towards each other or back to back;
the steering adsorption mechanism of the rotary crank speed changing device is used for bearing the ear patches cut by the ear patch cutting device in a front-back arrangement state that two steering adsorption tables are adjacent to each other, and the first-stage speed changing is carried out while the two steering adsorption tables rotate to an axisymmetric left-right arrangement state to transfer the ear patches to the multi-servo speed changing distance changing device; two variable-pitch adsorption tables of a variable-pitch adsorption mechanism of the multi-servo variable-speed variable-pitch device are used for bearing the ear stickers sent out by the rotary crank speed change device, and the two variable-pitch adsorption tables move to the adaptive positions to stick the ear stickers to the paper diaper conveying line while the second-stage speed change is carried out.
Furthermore, two driven wheels are respectively arranged on two sides of the driving wheel, the driving wheel forms a front-back arrangement state relative to the driving wheel, the upper surface of the steering adsorption platform is provided with an arc adsorption surface, the two driven wheels and the driving wheel form a rotating shaft angle staggered arrangement, the driving wheel and the two driven wheels are respectively in meshing transmission in an inclined arrangement mode, the two steering adsorption platforms can rotate to the inner side and are close to the adjacent front-back arrangement state, and the arc adsorption surfaces of the two steering adsorption platforms are in the same arc surface.
Furthermore, the axes of the two driven wheels and the driving wheel can extend to intersect on the axis of the first circular guide rail, the arc adsorption surfaces of the two steering adsorption tables are positioned in the same arc surface, and the arc center of the arc surface is positioned on the axis of the first circular guide rail.
Furthermore, each steering adsorption mechanism is driven to be in a close dense arrangement state and to be switched with a separated dispersed arrangement state through a rotary crank speed change device; in the dense arrangement state, two steering adsorption platforms of the same steering adsorption mechanism are in a front-back arrangement state close to the adjacent steering adsorption platforms; in the dispersed arrangement state, two steering adsorption platforms of the same group of steering adsorption mechanisms are in an axisymmetric left-right arrangement state.
Furthermore, the first circular guide rail can rotate around the axis of the first circular guide rail, the first circular guide rail is in transmission connection with the rotating disk, the rotating disk rotates and drives the first circular guide rail to rotate, the rotating direction of the first circular guide rail is the same as the rotating direction of the rotating disk, namely the rotating direction of the first circular guide rail is the same as the rotating direction of the steering adsorption mechanism, and friction between the first sliding block and the first circular guide rail is reduced.
Furthermore, the multi-servo variable-speed variable-pitch device further comprises a second motor, the second circular guide rail can rotate around the axis of the second circular guide rail, the second motor drives the second circular guide rail to rotate, and the rotating direction of the second circular guide rail is the same as that of the variable-pitch adsorption mechanism, so that friction between the third sliding block and the second circular guide rail is reduced.
Furthermore, the shaft sleeve mechanisms are arranged outside the supporting shaft, and the shaft sleeve mechanisms are arranged in a stacked and nested mode, so that the rotating speeds of the shaft sleeve mechanisms are not influenced mutually.
Furthermore, turn to adsorption apparatus and still include first negative pressure pipe, first negative pressure pipe is located on first supporting seat and is connected with two absorption platforms that turn to, and two absorption operating condition that turn to absorption platforms of first absorption pipe synchro control.
Furthermore, the variable-pitch adsorption mechanism further comprises a second negative pressure pipe, the second negative pressure pipe is arranged on the second supporting seat and connected with the two variable-pitch adsorption platforms, the second negative pressure pipe is a flexible pipe, and the second negative pressure pipe synchronously controls the adsorption working states of the two variable-pitch adsorption platforms.
From the above description, compared with the prior art, the utility model provides a two-stage speed change diaper ear pasting device, the crank-rotating speed change device of the device carries out the first-stage speed change, the multi-servo speed change pitch device carries out the second-stage speed change, and compared with only one-stage speed change, the inertia impact force generated by the speed change can be shared by adopting the second-stage speed change, so that the maximum working speed which can be borne by the device can be increased, the device can be protected, the service life of the device can be prolonged, and the ear pasting speed can be completely matched; the rotary crank speed changing device can rotate the ear patch, and the multi-servo speed changing and distance changing device can change the distance of the ear patch, so that the equipment can be effectively adapted to paper diapers of different models and sizes, and the application range is wide.
Drawings
Fig. 1 is a schematic structural diagram of a diaper ear sticker device with two-stage speed change according to the present invention.
Fig. 2 is a schematic structural view of a diaper ear sticker device with two-stage speed change according to the present invention.
Fig. 3 is a schematic structural view of the revolving crank speed changing device of the present invention.
Fig. 4 is a schematic view of the structure of the steering adsorption mechanism of the present invention.
Fig. 5 is a schematic structural view of the steering adsorption mechanism of the present invention.
Fig. 6 is a schematic structural diagram of the multi-servo variable-speed pitch device of the present invention.
Fig. 7 is a schematic structural view of the multi-servo variable-speed pitch-varying device of the present invention.
The labels in the figure correspond to the following: 1. ear sticker cutting device, 2. rotary crank speed changing device, 21. rotary disk, 211. first linear guide rail, 22. first motor, 23. first circular guide rail, 24. first cylindrical cam, 241. first track groove, 25. steering adsorption mechanism, 251. first support seat, 252. steering adsorption table, 2521. circular arc adsorption surface, 253. driven wheel, 254 drive wheel, 255. first roller, 256. first slide block, 257. second slide block, 258. torsion arm, 259. first negative pressure pipe, 3. multi-servo variable speed variable distance device, 31. support shaft, 32. second circular guide rail, 33. second cylindrical cam, 331. second track groove, 34. variable distance adsorption mechanism, 341. second support seat, 342. variable distance adsorption table, 343. second linear guide rail, 344. second roller, 345. third slide block, 346. second negative pressure pipe, 35. servo motor, 351. shaft sleeve mechanism, 36. A second motor and 4. a paper diaper conveying line.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 to 7, a two-stage speed-changing diaper ear sticker device comprises an ear sticker cutting device 1, a rotary crank speed-changing device 2, a multi-servo speed-changing distance-changing device 3 and a diaper conveying line 4;
the ear paste cutting device 1 cuts densely arranged ear pastes;
the rotary crank speed change device 2 includes:
the rotating disc 21 can rotate around the axis of the rotating disc 21, and a first linear guide rail 211 extending along the radial direction of the rotating disc 21 is arranged on the rotating disc;
a first motor 22 for driving the rotation disc 21 to rotate;
a first circular guide rail 23, the axis of the first circular guide rail 23 is arranged in parallel with the axis of the rotating disc 21 at intervals;
a first cylindrical cam 24, wherein the first cylindrical cam 24 is coaxially arranged with the first circular guide rail 23, and the outer peripheral surface of the first cylindrical cam 24 is provided with a first track groove 241;
the plurality of steering adsorption mechanisms 25 comprise a first supporting seat 251, two steering adsorption tables 252, two driven wheels 253 and a driving wheel 254, wherein the two steering adsorption tables are respectively connected with the two driven wheels, the driving wheel is meshed with the two driven wheels, a first roller 255 is arranged at the bottom of the driving wheel 254, the first roller 255 is matched with the first track groove 241, the first supporting seat 251 comprises a first sliding block 256 matched with the first circular guide rail 23 and a second sliding block 257 matched with the first linear guide rail 211, and the second sliding block 257 is connected with the first supporting seat 251 through a torsion arm 258;
the steering adsorption mechanism 25 can be driven by the rotating disc 21 to do variable-speed rotation motion along the first circular guide rail 23, and meanwhile, the driving wheel 254 is driven by the first track groove 241 to rotate through the first roller 255, so as to drive the two steering adsorption platforms 252 to rotate relatively inwards to be close to the adjacent front-back arrangement state or rotate relatively outwards to be in an axisymmetrical left-right arrangement state;
the two driven wheels 253 are respectively arranged at two sides of the driving wheel 254 and form a front-back arrangement state relative to the driving wheel 254, the upper surface of the steering adsorption platform 252 is provided with an arc adsorption surface 2521, the two driven wheels 253 are respectively arranged with the driving wheel 254 in a staggered manner to form a rotating shaft angle, so that the driving wheel 254 and the two driven wheels 253 are respectively in meshing transmission in an inclined arrangement manner, the two steering adsorption platforms 252 can rotate to the inner side and are in a front-back arrangement state close to the adjacent positions, the arc adsorption surfaces 2521 of the two steering adsorption platforms 252 are positioned in the same arc surface, the axial lines of the two driven wheels 253 and the driving wheel 254 can extend to intersect on the axial line of the first circular guide rail 23, the arc adsorption surfaces 2521 of the two steering adsorption platforms 252 are positioned in the same arc surface, and the arc center of. The structure enables the outer track of the rotary crank speed change device 2 in the adsorption work to be circular and to be more adaptive to the ear sticker cutting device 1.
Each steering adsorption mechanism 25 is driven by the rotary crank speed change device 2 to be in a close dense arrangement state and to be switched with a separated dispersed arrangement state; in the dense arrangement state, the two steering adsorption tables 252 of the same steering adsorption mechanism 25 are in a front-back arrangement state close to the adjacent ones; in the dispersed arrangement state, the two steering suction tables 252 of the same steering suction mechanism 25 are arranged in the axisymmetric left-right arrangement state.
The first circular guide rail 23 can rotate around the axis of the first circular guide rail 23, the first circular guide rail 23 is in transmission connection with the rotating disk 21, the rotating disk 21 rotates and drives the first circular guide rail 23 to rotate, the rotating direction of the first circular guide rail 23 is the same as the rotating direction of the rotating disk 21, namely the rotating direction of the first circular guide rail 23 is the same as the rotating direction of the steering adsorption mechanism 25, and therefore friction between the first sliding block 256 and the first circular guide rail 23 is reduced.
The steering adsorption mechanism 25 further comprises a first negative pressure pipe 259, the first negative pressure pipe 259 is arranged on the first support base 251 and connected with the two steering adsorption tables 252, and the first adsorption pipe 259 synchronously controls the adsorption working states of the two steering adsorption tables 252.
The multi-servo variable-speed pitch device 3 includes:
a support shaft 31 fixedly provided;
a second circular guide rail 32 arranged coaxially with the support shaft 31;
two second cylindrical cams 33, the two second cylindrical cams 33 are arranged on the supporting shaft 31 at intervals, and the two cylindrical cams 33 are respectively provided with a second track groove 331;
the variable-pitch adsorption mechanisms 34 comprise a second support base 341 and two variable-pitch adsorption platforms 342, wherein a second linear guide rail 343 is arranged on the second support base 341, the two variable-pitch adsorption platforms 342 are slidably arranged on the second linear guide rail 343, the two variable-pitch adsorption platforms 342 are respectively provided with a second roller 344, the two second rollers 344 are respectively matched with the two second track grooves 331, and a third sliding block 345 matched with the second circular guide rail 32 is arranged on the second support base 341;
a plurality of servo motors 35, one servo motor 35 is connected with a variable-pitch adsorption mechanism 34 through a shaft sleeve mechanism 351, and correspondingly drives the variable-pitch adsorption mechanism 34 to rotate along the second circular guide rail 32 at variable speed, and meanwhile, the two variable-pitch adsorption tables 342 are driven by the second track groove 331 to move through the second roller 344, so that the two variable-pitch adsorption tables 342 move towards each other or move away from each other;
the multi-servo variable-speed pitch device 3 further comprises a second motor 36, the second circular guide rail 32 can rotate around the axis of the second circular guide rail 32, the second motor 36 drives the second circular guide rail 32 to rotate, and the rotation direction of the second circular guide rail 32 is the same as that of the pitch change adsorption mechanism 34, so that friction between the third sliding block 345 and the second circular guide rail 32 is reduced.
The sleeve mechanisms 351 are provided outside the support shaft 31, and the sleeve mechanisms 351 are stacked and nested so that the rotation speeds of the sleeve mechanisms 351 do not affect each other.
The pitch-variable adsorption mechanism 34 further includes a second negative pressure tube 346, the second negative pressure tube 346 is disposed on the second support base 341 and connected to the two pitch-variable adsorption stages 342, the second negative pressure tube 346 is a flexible tube, and the second negative pressure tube 346 synchronously controls the adsorption working states of the two pitch-variable adsorption stages 342.
The steering adsorption mechanism 25 of the rotary crank speed changing device 2 is connected with the ear patches cut by the ear patch cutting device 1 in a state that the two steering adsorption tables 252 are close to the adjacent front and back arrangement states, and the first-stage speed changing is carried out while the two steering adsorption tables 252 rotate to an axisymmetric left and right arrangement state to transmit the ear patches to the multi-servo speed changing distance changing device 3; two pitch change adsorption tables 342 of the pitch change adsorption mechanism 34 of the multi-servo variable speed pitch change device 3 receive the ear stickers sent by the rotary crank speed change device 2, and the two pitch change adsorption tables 342 move to the adaptive positions to stick the ear stickers on the paper diaper conveying line 4 at the same time of the second-stage speed change.
A working method of a diaper ear sticker with two-stage speed change comprises the following steps:
firstly, cutting densely arranged ear pastes by an ear paste cutting device 1;
secondly, the steering adsorption mechanism 25 of the rotary crank speed changing device 2 is in a state that two steering adsorption platforms 252 are adjacent to each other and arranged back and forth to bear the ear paste cut by the ear paste cutting device 1, and the speed of the steering adsorption mechanism 25 at the position is matched with the speed of the ear paste cutting device 1;
step three, the rotary crank speed changing device 2 enables the steering adsorption mechanism 25 with the ear patches to perform first-stage speed changing rotation, meanwhile, the two steering adsorption tables 252 rotate to an axisymmetric left-right arrangement state, the two pitch change adsorption tables 342 of the pitch change adsorption mechanism 34 of the multi-servo speed changing pitch changing device 3 bear the ear patches of the steering adsorption mechanism 25, and the speed of the steering adsorption mechanism 25 at the position is matched with the speed of the pitch change adsorption mechanism 34;
and step four, the multi-servo variable-speed pitch-varying device 3 enables the pitch-varying adsorption mechanism 34 with the ear stickers to rotate at a second-stage variable speed, meanwhile, the two pitch-varying adsorption tables 342 move towards or away from each other to an adaptive position, the ear stickers are pasted on the paper diaper conveying line 4, and the speed of the pitch-varying adsorption mechanism 34 at the position is matched with the speed of the paper diaper conveying line 4.
The above-mentioned only be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and all utilize this design right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.