CN212221872U - Raw material switching device and feeding device - Google Patents

Abstract

The utility model relates to the technical field of disposable sanitary products, in particular to a switching device and a feeding device for raw materials, the switching device comprises a frame, an unreeling material, a standby material and a colloid material are arranged on the frame, the standby material is conveyed between the colloid material and the unreeling material, the head of the standby material is shorter than the head of the colloid material so that the colloid material is contacted with the unreeling material and the standby material, a first pressing mechanism for pressing and bonding the colloid material and the unreeling material and a second pressing mechanism for pressing and bonding the colloid material and the standby material are also arranged on the frame, a cutting device for cutting off the unreeling material and a cutter for cutting off the colloid material are also arranged on the frame, a material storage device for storing the unreeling material is also arranged on the frame, the feeding device also comprises a mechanical arm, the utility model uses swing adsorption conveying to draw and place material joints, the contact between workers and moving stations such as rotation and shearing is avoided, and the safety of the equipment is improved.

Description

Raw material switching device and feeding device

Technical Field

The utility model relates to a disposable hygienic articles technical field, in particular to auto-change over device and feedway of raw and other materials.

Background

Disposable sanitary products such as sanitary napkins, diapers, and the like are made by compounding a plurality of strips of material that are wound into rolls by a raw material supplier. In order to achieve non-stop simultaneous change of rolls of material by disposable sanitary equipment manufacturers, a solution is commonly used which is: two rolls of raw materials are placed simultaneously, one roll is released in real time to be a release roll, the other roll is reserved to be a standby roll, when the release roll is detected to be about to be exhausted, the release roll stops unwinding, a stub bar of the standby roll is bonded to the release roll by a splicer, then the splicer cuts off a tail material of the release roll, the two rolls of materials are successfully replaced and connected, materials required by a production line in the working process of the splicer come from a storage bin, after splicing action is completed, the standby roll is converted into release roll release materials, at the moment, a core cylinder of the used up roll needs to be manually taken down, the next standby roll is reinstalled, an adhesive tape is bonded to the stub bar of the standby roll and placed in the splicer, the placement position of a joint with an adhesive surface needs to just correspond to a splicing plate of the splicer, the adhesive surface of the joint needs to be prevented from being in contact. The existing splicer has a complex structure and high cost.

Along with the increasing complexity of products of disposable sanitary products, the speed of a production line is continuously improved, raw material rolls required by the production line are increased, the diameter and the weight of the material roll are increased, the weight of a single roll of material even reaches more than 100 kilograms, and the labor intensity of workers for loading and unloading the material roll to and from a machine is increased; in addition, the materials to be spliced are placed to the splicer manually, so that unstable factors and potential safety hazards exist, and further abnormal shutdown which causes splicing failure or impairs personal safety is possible.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the splicer structure that prior art exists is complicated, the utility model provides a simple structure's auto-change over device of raw and other materials, the problem that the material book intensity of labour is big for the artifical supplementary banded material that solves prior art existence, the utility model also provides a feedway of raw and other materials that reduces artifical intensity of labour.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a auto-change over device of raw and other materials, includes the frame, the frame on be equipped with unreel material, spare material and colloidal material, spare material is carried to colloidal material and unreels between the material, and the head of spare material is shorter than the head of colloidal material so that colloidal material and unreel material and spare material all contact, the frame on still be equipped with and be used for compressing tightly the first pressing mechanism of bonding and be used for compressing tightly the second pressing mechanism of bonding with colloidal material and spare material with colloidal material with unreeling the material, still be equipped with in the frame and be used for cutting off the cutting device who unreels the material and be used for cutting off the cutter of colloidal material, the frame on still be equipped with the stocker that is used for the deposit to unreel the.

Furthermore, the frame on be equipped with the bottom roll, the bottom roll on have a negative pressure storehouse, unreel material, standby material and colloid material and be carried to the bottom roll on, first pressing mechanism include with bottom roll complex first pinch roller, second pressing mechanism include with bottom roll complex second pinch roller.

Further, the machine frame is also provided with an adhesive tape coiled material, an adsorption conveying mechanism for conveying the colloidal material and a release paper winding shaft for recovering the released release paper.

Further, the frame on still be equipped with the swing transport adsorption component who is used for carrying reserve material, swing transport adsorption component including the swing adsorb the main part, the swing has the swing to adsorb the main shaft in the main part, the swing adsorbs the main shaft and rotates to be connected in the frame, the swing adsorb the main part and seted up the cavity and respectively with the interface and the absorption hole of breathing in of cavity intercommunication, be equipped with transport assembly in the swing adsorbs the main part, swing transport adsorption component still including drive swing adsorb the main part around swing adsorption main shaft pivoted cylinder.

Further, the frame on be equipped with rotatory unwinding mechanism, rotatory unwinding mechanism includes the swinging boom, the swinging boom both ends rotate respectively and be equipped with first physiosis axle and second physiosis axle, the blowing position sets up with the rigidity that prepares material, the swinging boom rotates and makes first physiosis axle and second physiosis axle switch between the blowing position and the position of prepareeing material to make first physiosis axle and the epaxial material of second physiosis switch between unreeling material and standby material.

Furthermore, the rotary unwinding mechanism further comprises a guide arm fixed on the rotating arm, the guide arm is perpendicular to the rotating arm, and guide wheels are rotatably connected to two ends of the guide arm.

The utility model provides a feedway that contains foretell raw and other materials auto-change over device, feedway still includes the manipulator, the manipulator include the work arm, the last rotation of work arm is equipped with the working head, the working head on be equipped with the shedding mechanism that takes off the abandonment core section of thick bamboo of the coiled material that will use up, be used for with new material book material loading to the feed mechanism that is located the first physiosis axle or the second physiosis axle of position of prepareeing material.

Furthermore, the unloading mechanism of the manipulator is a clamp.

Further, the feeding mechanism of the manipulator comprises a transfer air inflation shaft for expanding, fixing or contracting to release a new material roll and a pushing hand for pushing the material roll from the transfer air inflation shaft to the first air inflation shaft or the second air inflation shaft at the material preparation position.

Further, the feeding device also comprises a material roll conveying mechanism for conveying the material roll to the transfer air inflation shaft.

Has the advantages that:

(1) the raw material switching device of the utility model uses swing adsorption conveying to draw and place the material joint, avoids the contact of workers with moving stations such as rotation and shearing, and improves the safety of the equipment;

(2) the switching device for the raw materials of the utility model uses swing adsorption conveying to place the material joint, has high stability, reduces the fault shutdown, and improves the starting rate of equipment and the product percent of pass;

(3) the switching device of the raw materials of the utility model can realize the splicing of the materials through the bottom roller and the pinch roller, and has simple structure and low cost;

(4) the utility model uses the rotary type hair-curling mechanism to lead the manipulator to unload and load materials at the same position, thus simplifying the structure of the manipulator;

(5) the utility model discloses a feedway of raw and other materials uses the manipulator to load and unload, has reduced labour's demand, has reduced staff intensity of labour.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic diagram of a splicing state of unwinding materials which are about to be used up and standby materials are ready for splicing;

FIG. 2 is a schematic diagram of positions of an unwinding material, a standby material and a colloid material to be spliced;

FIG. 3 is a schematic view of the state after the material switching is completed and the rotating arm rotates 180 degrees around the main shaft;

FIG. 4 is a schematic side view of the working head;

FIG. 5 is a schematic view of the manipulator in a material-picking state;

fig. 6 is a state diagram of the manipulator during loading.

Wherein, 1, a frame, 2, a rotary unreeling mechanism, 3, a rotary arm, 20, a first air expanding shaft, 21, an unreeling material, 30, a material roll conveying mechanism, 31 and a material roll,

4. swing conveying adsorption component, 5, cutting device, 6, second pinch roller, 7, first pinch roller, 8, bottom roller, 9, stocker, 10, adhesive tape coiled material, 101, colloid material, 11, adsorption conveying mechanism, 12, release paper, 13, release paper winding shaft, 14, cutter, 15, swing adsorption main shaft, 16, cylinder, 17, second physiosis shaft, 18, standby material, 19, guide wheel, 40, manipulator, 41, clamp, 42, transportation physiosis shaft, 43, pushing handle, 44, working head, 45 and working arm.

Detailed Description

As shown in fig. 1 to 3, a switching device for raw materials includes a frame 1, an unreeling material 21, a standby material 18 and a glue material 101 are disposed on the frame 1, both sides of the glue material 101 have viscosity, the standby material 18 is conveyed between the glue material 101 and the unreeling material 21, a head of the standby material 18 is shorter than a head of the glue material 101 so that the glue material 101 contacts with both the unreeling material 21 and the standby material 18, a first pressing mechanism for pressing and bonding the glue material 101 and the unreeling material 21 and a second pressing mechanism for pressing and bonding the glue material 101 and the standby material 18 are further disposed on the frame 1, a cutting device 5 for cutting off the unreeling material 21 and a cutter 14 for cutting off the glue material 101 are further disposed on the frame 1, and a stocker 9 for storing the unreeling material 21 is further disposed on the frame 1. The hopper 9 is used to release the material to the production line when splicing the material, ensuring that the machine operates at normal speed.

The frame 1 is provided with a bottom roller 8, the bottom roller 8 is provided with a negative pressure bin, or the bottom roller 8 is provided with a hollow cavity communicated with vacuum suction, the unreeling material 21, the standby material 18 and the colloid material 101 are conveyed onto the bottom roller 8, the first pressing mechanism comprises a first pressing wheel 7 matched with the bottom roller 8, and the second pressing mechanism comprises a second pressing wheel 6 matched with the bottom roller 8. The material of first pinch roller 7 and second pinch roller 6 is composite material.

The machine frame 1 is also provided with a rubber belt coiled material 10, an adsorption conveying mechanism 11 for conveying a colloid material 101 and a release paper winding shaft 13 for recovering the stripped release paper. The roll of tape 10 is wound on a tape unwind spool.

Still be equipped with the swing transport adsorption component 4 that is used for carrying reserve material 18 on the frame 1, swing transport adsorption component 4 adsorbs the main part including the swing, swing adsorption main shaft 15 has in the swing adsorption main part, swing adsorption main shaft 15 rotates to be connected in frame 1, the swing adsorption main part has been seted up the cavity and has been inhaled interface and absorption hole with the cavity intercommunication respectively, be equipped with conveying component in the swing adsorption main part, swing transport adsorption component 4 still includes that the drive swing adsorbs the main part and adsorbs main shaft 15 pivoted cylinders 16 around the swing. The conveying component can be a conveying belt, and the adsorption conveying mechanism 11 can be similar to the swing conveying adsorption component in structure, except that the adsorption conveying mechanism 11 does not rotate.

Be equipped with rotatory unwinding mechanism 2 in frame 1, rotatory unwinding mechanism 2 includes swinging boom 3, 3 both ends of swinging boom rotate respectively and are equipped with first physiosis axle 20 and second physiosis axle 17, the blowing position sets up with the rigidity of prepareeing material, swinging boom 3 rotates and makes first physiosis axle 20 and second physiosis axle 17 switch between the blowing position and the position of prepareeing material to make the material on first physiosis axle 20 and the second physiosis axle 17 switch between unreeling material 21 and standby material 18.

The rotary unreeling mechanism 2 further comprises a guide arm fixed on the rotating arm 3, the guide arm is perpendicular to the rotating arm 3, and guide wheels 19 are rotatably connected to two ends of the guide arm. The guide wheel 33 can play a role of guiding materials, and separates the materials from the material preparation position to prevent interference.

As shown in fig. 4 to 6, the feeding device comprises the above switching device for raw materials, and further comprises a manipulator 40, wherein the manipulator 40 comprises a working arm 45, a working head 44 is rotatably arranged on the working arm 45, a discharging mechanism for taking down a waste core barrel of a used coiled material and a feeding mechanism for feeding a new material roll 31 to the first air-expansion shaft 20 or the second air-expansion shaft 17 located at a material preparation position are arranged on the working head 44. The discharge mechanism of the robot 40 is a gripper 41. The feed mechanism of the robot 40 comprises a transfer reel 42 for expansion fixing or contraction releasing a new roll 31 and a pusher 43 for pushing the roll 31 from the transfer reel 42 to the first 20 or second 17 reel located at the preparation position.

The supply device also includes a roll transfer mechanism 30 that transports the roll 31 to the transfer balloon 42. The material roll conveying mechanism 30 includes a base that supports two conveyor belts arranged in a V-shape. The interval of conveyer belt is adjustable to the material that adapts to different diameters is rolled up, and two conveyer belts that are V-arrangement cooperate with 31 rolls of material, and the axis automatic centering of a plurality of rolls of material 31, and carry steadily reliably.

The working process is as follows:

roll changing and splicing:

as shown in fig. 1 and 2, the first air-expanding shaft 20 of the rotary hair-curling mechanism 2 is located at the discharging position, the second air-expanding shaft 17 is located at the material preparing position, the first air-expanding shaft 20 rotates to release the unreeled material 21, and the second air-expanding shaft 17 stands still for waiting. When the unwinding material 21 is detected to be about to be exhausted, the colloid material 101 of the adhesive tape roll 10 conveys the joint to the bottom roller 8 to the adhesive tape position of fig. 2 under the action of the adsorption conveying mechanism 11, and simultaneously peels off the release paper 12 on the surface of the adhesive tape under the action of the release paper winding shaft 13. At the same time, the swing adsorption conveying assembly 4 rotates clockwise until the surface presses against the standby material 18 and drives the standby material 18 to rotate. Under the action of vacuum suction, the spare material 18 joint is conveyed to the surface of the bottom roller 8 to the position of the adhesive tape in FIG. 2 through the swing adsorption conveying assembly 4. Then, the first expansion shaft 20 which drives the unreeled material 21 to release stops rotating, the unreeled material 21 stops relative to the second pinch roller 6, at this time, the second pinch roller 6 and the first pinch roller 7 press against the bottom roller 8, and the unreeled material 21 and the standby material 18 are respectively bonded with the colloid material 101. The cutting device 5 and the cutter 14 cut off the unreeled material 2 and the glue material 101, respectively (before this, the glue material 101 is cut off, and the cut glue material 101 is conveyed to the pressing position in fig. 2 along with the bottom roller to wait for pressing), where the cutter 14 cannot cross the boundary of the negative pressure bin of the bottom roller 8, so as to prevent the joint of the glue material 101 from separating from the bottom roller 8 or tilting. After the actions are completed, the swing adsorption conveying assembly 4 rotates anticlockwise to the original position, the standby material 18 which is originally statically waited is driven by the second air inflation shaft 17 to be released, and the material is provided for the production line. The rotating arm 3 of the rotating unrolling mechanism 2 rotates anticlockwise around the main shaft thereof, the first air inflation shaft 20 is switched to the material preparation position, the second air inflation shaft 17 is switched to the material discharge position, and materials required by the production line during splicing of the materials come from the material storage 5.

Secondly, unloading the core barrel:

as shown in fig. 3 and 4, the tailing and the core barrel sleeve remain on the first expansion shaft 20, the first expansion shaft 20 for fixing the core barrel is contracted at this time, the core barrel is loosely sleeved on the first expansion shaft 20, the working arm 45 drives the working head 44 to move above the first expansion shaft 20, and in the moving process, the working head 44 switches the clamp 41 downwards, and the manipulator 4 controls the clamp 41 to clamp the core barrel and discard the core barrel into a waste bin;

taking materials:

as shown in fig. 5, the working arm 45 then drives the working head 44 to move to the output end of the roll conveying mechanism 30, and switches the working head 44 during the movement, so as to direct the transfer air inflation shaft 42 on the working head to the axial direction of the material roll 31, and the roll conveying mechanism 30 stores a plurality of material rolls 31 with consistent rotation direction and can convey the material roll 31 forwards, so as to ensure that the material roll 31 is provided at the material taking position of the manipulator 40; the position of the material roll 31 is obtained through a sensor, the working arm 45 controls the transfer air inflation shaft 42 of the working head 44 to be inserted into the roll center of the material roll 31 in a shrinkage state, and then the transfer air inflation shaft 42 expands to fix and convey the material roll 31;

charging:

as shown in fig. 6, the robot 40 delivers the material roll 31 to the front of the first empty expansion shaft 20 on the frame 1, and the transfer expansion shaft 42 on the working head 44 and the first empty expansion shaft 20 are coaxial, while the first empty expansion shaft 20 is in a contracted state, the transfer expansion shaft 42 contracts to release the fixation of the material roll 31, and then the pusher 43 pushes the material roll 31 onto the first empty expansion shaft 20, and then the first expansion shaft 20 expands the material roll 31 to be fixed for the next splicing.

It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.

Claims (10)

1. The raw material switching device is characterized by comprising a rack (1), wherein an unreeling material (21), a standby material (18) and a colloid material (101) are arranged on the rack (1), the standby material (18) is conveyed between the colloid material (101) and the unreeling material (21), the head of the standby material (18) is shorter than the head of the colloid material (101) so that the colloid material (101) is in contact with the unreeling material (21) and the standby material (18), a first pressing mechanism for pressing and bonding the colloid material (101) and the unreeling material (21) and a second pressing mechanism for pressing and bonding the colloid material (101) and the standby material (18) are further arranged on the rack (1), a cutting device (5) for cutting off the unreeling material (21) and a cutter (14) for cutting off the colloid material (101) are further arranged on the rack (1), the frame (1) is also provided with a stocker (9) for storing unreeling materials (21).

2. A stock material changing over device as defined in claim 1, wherein: frame (1) on be equipped with bottom roll (8), bottom roll (8) on have a negative pressure storehouse, unreel material (21), spare material (18) and colloidal material (101) and be carried to bottom roll (8) on, first pressing mechanism include with bottom roll (8) complex first pinch roller (7), second pressing mechanism include with bottom roll (8) complex second pinch roller (6).

3. A stock material changing over device as defined in claim 1, wherein: the machine frame (1) is also provided with an adhesive tape coiled material (10), an adsorption conveying mechanism (11) for conveying a colloidal material (101) and a release paper winding shaft (13) for recovering the released release paper.

4. A stock material changing over device as defined in claim 3, wherein: frame (1) on still be equipped with swing transport adsorption component (4) that are used for carrying reserve material (18), swing transport adsorption component (4) adsorb main part including the swing, swing adsorption component has swing adsorption main shaft (15) in, swing adsorption main shaft (15) rotate to be connected on frame (1), swing adsorption component seted up the cavity and respectively with the interface and the absorption hole of breathing in of cavity intercommunication, swing adsorption component is equipped with in the main part and carries the transport subassembly, swing transport adsorption component (4) still including drive swing adsorption component around swing adsorption main shaft (15) pivoted cylinder (16).

5. A stock material changing over device as defined in claim 1, wherein: frame (1) on be equipped with rotatory unwinding mechanism (2), rotatory unwinding mechanism (2) include swinging boom (3), swinging boom (3) both ends rotate respectively and be equipped with first physiosis axle (20) and second physiosis axle (17), blowing position and the fixed setting of position of prepareeing material, swinging boom (3) rotate and make first physiosis axle (20) and second physiosis axle (17) switch between blowing position and the position of prepareeing material to make the material on first physiosis axle (20) and second physiosis axle (17) switch between unreeling material (21) and reserve material (18).

6. A device for changing over raw material as claimed in claim 5, wherein: the rotary unreeling mechanism (2) further comprises a guide arm fixed on the rotating arm (3), the guide arm is perpendicular to the rotating arm (3), and guide wheels (19) are rotatably connected to two ends of the guide arm.

7. A feeding device comprising a device for switching raw material according to any one of claims 1 to 6, characterized in that: the feeding device further comprises a mechanical arm (40), the mechanical arm (40) comprises a working arm (45), a working head (44) is arranged on the working arm (45) in a rotating mode, and a discharging mechanism used for taking down the waste core barrel of the used coiled material and a feeding mechanism used for feeding a new material coil (31) to a first air expansion shaft (20) or a second air expansion shaft (17) located at the material preparation position are arranged on the working head (44).

8. A feeder device according to claim 7, characterized in that: the unloading mechanism of the manipulator (40) is a clamp (41).

9. A feeder device according to claim 7, characterized in that: the feeding mechanism of the manipulator (40) comprises a transfer air-expanding shaft (42) for expanding, fixing or contracting to release a new material roll (31) and a pushing hand (43) for pushing the material roll (31) from the transfer air-expanding shaft (42) to the first air-expanding shaft (20) or the second air-expanding shaft (17) at the preparation position.

10. A feeder device according to claim 9, characterized in that: the supply device also comprises a material roll conveying mechanism (30) for conveying the material roll (31) to the transfer air inflation shaft (42).

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