CN212245436U - Raw and other materials's feed and auto-change over device - Google Patents

Abstract

The utility model relates to the technical field of disposable sanitary products, in particular to a feeding and switching device for raw materials, which comprises a frame and a manipulator, wherein the frame is provided with a splicer, a rotary unwinding mechanism and a material storage device, the rotary unwinding mechanism comprises a rotary arm, the two ends of the rotary arm are respectively provided with a first air expansion shaft and a second air expansion shaft for holding coiled materials, and the splicer comprises an adsorption component, a pressing component and a blade component; the manipulator includes the work arm, rotates on the work arm to be equipped with the working head, is equipped with the shedding mechanism that takes off the abandonment core section of thick bamboo of the coiled material that will use up on the working head, is used for rolling up the material loading with new material to the feed mechanism who is located the first physiosis axle or the second physiosis axle of the position of prepareeing material and is used for pulling the joint of reserve coiled material to adsorption component's drive mechanism, the utility model discloses an automatic feed and the switching of raw and other materials use the manipulator to come the dress, unload and the tractive material, have reduced labour's demand, have reduced staff intensity of labour.

Description

Raw and other materials's feed and auto-change over device

Technical Field

The utility model relates to a disposable hygienic articles technical field, in particular to feed and auto-change over device 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. 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 labor intensity of the material roll for manually supplementing the strip-shaped material is high in the prior art, the utility model provides a feeding and switching device for the raw material which reduces the labor intensity.

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

a raw material feeding and switching device, which comprises a frame and a manipulator,

the splicing device comprises an adsorption assembly for adsorbing a spare coiled material joint, a pressing assembly for pressing the discharged coiled material and the spare coiled material and a blade assembly for cutting the discharged coiled material;

the manipulator comprises a working arm, a working head is arranged on the working arm in a rotating mode, an unloading mechanism for taking down the waste core barrel of the coiled material which is used up, a feeding mechanism for feeding the new coiled material to a first air expansion shaft or a second air expansion shaft which is located at the material preparation position and a traction mechanism for drawing the joint of the standby coiled material to the adsorption assembly are arranged on the working head.

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.

Further, the splicer also comprises an air cylinder for driving the adsorption component to move.

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 traction mechanism comprises a rotating shaft which is used for winding the material roll connector positioned at the material preparing position and reversely rotating to release the material roll connector on the adsorption component of the splicer.

Furthermore, the raw material feeding and switching 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 utility model has the advantages that the raw materials are automatically fed and switched, and the manipulator is used for loading, unloading and drawing the materials, so that the demand of labor force is reduced, and the labor intensity of workers is reduced;

(2) the raw material feeding and switching device of the utility model uses the manipulator to draw and place the material joint, avoids the contact of the working personnel with the moving stations of rotation, shearing and the like, and improves the safety of the equipment;

(3) the feeding and switching device for raw materials of the utility model uses the mechanical arm to place the material joint to the splicer, has high stability, reduces the fault shutdown, and improves the starting rate of equipment and the product percent of pass;

(4) the utility model discloses a feed and auto-change over device of raw and other materials use rotation type to send out a roll mechanism, make the manipulator at the same position material loading of unloading, have reduced the action of manipulator to the structure of manipulator has been simplified.

Drawings

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

FIG. 1 is a schematic view of a material roll at a discharge position about to be used up and a standby material to be spliced;

FIG. 2 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. 3 is a schematic view of a robot structure;

FIG. 4 is a schematic view of a manipulator taking a material;

FIG. 5 is a schematic view of a state of a manipulator during feeding;

fig. 6 is a schematic view of the state of the manipulator after finishing the pulling and waiting for the next splicing and material changing.

The automatic feeding device comprises a machine frame 1, a machine frame 2, a splicer 21, an adsorption component 22, a pressing component 23, a blade component 24, a cylinder 3, a rotary unreeling mechanism 31, a standby coiled material 32, a second air expansion shaft 33, a guide wheel 34, a rotating arm 35, a discharging coiled material 36, a first air expansion shaft 4, a manipulator 41, a clamp 42, a rotating shaft 43, a transfer air expansion shaft 44, a pushing hand 45, a working head 46, a working arm 5, a storage hopper 6, a material 7, a material coil conveying mechanism 8 and a material coil.

Detailed Description

Referring to fig. 1 to 6, a raw material feeding and switching device comprises a frame 1 and a manipulator 4,

be equipped with splicer 2 in frame 1, be located the rotatory unwinding mechanism 3 of splicer 2 upper reaches and be located the stocker 5 of splicer 2 low reaches, rotatory unwinding mechanism 3 includes swinging boom 34, swinging boom 34 both ends are rotated respectively and are equipped with first physiosis axle 36 and second physiosis axle 32, swinging boom 34 rotates and makes first physiosis axle 36 and second physiosis axle 32 switch between blowing position and the position of prepareeing material, thereby make the material on first physiosis axle 36 and the second physiosis axle 32 switch between blowing coiled material 35 and reserve coiled material 31, rotatory unwinding mechanism 3 is still including fixing the guide arm on swinging boom 34, the guide arm is perpendicular with swinging boom 34, the guide arm both ends are all rotated and are connected with guide pulley 33. The guide wheel 33 can play a role of guiding materials, and separates the materials from the material preparation position to prevent interference.

The splicer 2 comprises an adsorption assembly 21 for adsorbing splices of the standby coil 31, a pressing assembly 22 for pressing the discharged coil 35 and the standby coil 31 together, and a blade assembly 23 for cutting the discharged coil 35;

the manipulator 4 comprises a working arm 46, a working head 45 is rotatably arranged on the working arm 46, and a discharging mechanism for taking down the waste core barrel of the used coiled material, a feeding mechanism for feeding a new coiled material 8 to the first air expansion shaft 36 or the second air expansion shaft 32 positioned at the material preparation position and a traction mechanism for drawing the joint of the standby coiled material 31 to the adsorption component 21 are arranged on the working head 45.

The splicer 2 further includes an air cylinder 24 for driving the movement of the suction assembly 21. The discharge mechanism of the robot 4 is a gripper 41. The feed mechanism of the robot 4 comprises a transfer reel 43 for expansion fixing or contraction release of a new roll 8 and a pusher 44 for pushing the roll 8 from the transfer reel 43 towards the first 36 or second 32 reel located at the preparation position. The push handle 44 may be driven by an air cylinder or the like.

The pulling mechanism of the robot 4 comprises a spindle 42 for winding the joint of the material roll 8 located at the preparation position and rotating it in the opposite direction to release the joint of the material roll 8 at the suction assembly 21 of the splicer 2.

The raw material supply and switching device further includes a roll transfer mechanism 7 for transferring the material roll 8 to the transfer air shaft 43. The material roll conveying mechanism 7 can be arranged on the frame 1, and can also be arranged at other positions. The material roll conveying mechanism 7 comprises a base, and the base supports two conveying belts arranged in a V shape. The distance between the conveying belts is adjustable to adapt to material rolls with different diameters, the two conveying belts arranged in a V shape are matched with the material rolls, the axes of a plurality of material rolls are automatically centered, and the conveying is stable and reliable.

The utility model provides a feed and auto-change over device of raw and other materials have optimized traditional double cantilever drop feed mechanism and have got the material loading through the manipulator and realize unreeling the switching of material, and the simplified operation reduces manipulation strength. Meanwhile, the hidden danger that people are injured due to falling of the material roll during manual replacement can be avoided, the safety is greatly improved, the automation degree is high, and the safety is good.

The rotating arm 34 of the rotary unreeling mechanism 3 can rotate around the main shaft thereof, so that the material placing position and the material preparing position are fixed when the machine works normally, and the feeding of the mechanical arm 4 is facilitated.

The splicer 2 includes a suction assembly 21, a pressing assembly 22, and a blade assembly 23. The adsorption component 21 is provided with a hollow cavity, and an air suction port and an adsorption hole which are respectively communicated with the hollow cavity. The adsorption assembly 21 is controlled by a cylinder 24 to move up and down.

The hopper 5 is used to release material to the production line when the splicer 2 splices the material of two rolls, ensuring that the machine is running at normal speed.

The working process is as follows:

roll changing and splicing:

as shown in fig. 1 and fig. 2, at this time, the first inflation shaft 36 is in the discharging position, the second inflation shaft 32 is in the material preparing position, the first inflation shaft 36 rotates to release the discharged coiled material 35, and the second inflation shaft 32 is still waiting; when the emptying coiled material 35 is detected to be exhausted soon, the first air inflation shaft 36 for driving the emptying coiled material 35 to release stops rotating, the emptying coiled material 35 of the first air inflation shaft 36 stops relative to the splicer 2, at the moment, the pressing component 22 of the splicer 2 adheres the joint of the standby coiled material 31 with the color code adhesive tape to the emptying coiled material 35 of the first air inflation shaft 36, the blade component 23 of the splicer 2 cuts off the first air inflation shaft 36, namely, the emptying coiled material 35 which is exhausted is about to occur, after the splicer 2 finishes the actions, the standby coiled material 31 which is originally statically waited is driven by the second air inflation shaft 32 to release, and the material 6 is provided for a production line. A rotating arm 34 of the rotary unreeling mechanism 3 rotates clockwise around the main shaft, the second air inflation shaft 32 rotates to a discharge position and is converted into a working roll, the first air inflation shaft 36 rotates to a material preparation position, and materials 6 required by a production line during the working period of the splicer 2 come from the stocker 5;

secondly, unloading the core barrel:

as shown in fig. 2, the exhausted material roll residual tails and the core barrel are sleeved on the first expansion shaft 36, the first expansion shaft 36 for fixing the core barrel is contracted at this time, the core barrel is loosely sleeved on the first expansion shaft 36, the working arm 46 drives the working head 45 to move above the first expansion shaft 36, and in the moving process, the working head 45 switches the clamp 41 to be downward, and the manipulator 4 controls the clamp 41 to clamp the core barrel and discards the core barrel in a waste bin;

taking materials:

as shown in fig. 4, the working arm 46 then drives the working head 45 to move to the output end of the material roll conveying mechanism 7, and switches the working head 45 in the moving process, so that the transfer air inflation shaft 43 on the working head faces the axial direction of the material roll 8, the material roll conveying mechanism 7 stores a plurality of material rolls 8 with consistent rotation direction, and can convey the material roll 8 forwards, so as to ensure that the material roll 8 is located at the material taking position of the manipulator 1; the position of the material roll 8 is obtained through a sensor, the working arm 46 controls the transfer air inflation shaft 43 of the working head 45 to be inserted into the roll center of the material roll 8 in a shrinkage state, and then the transfer air inflation shaft 43 expands to fix and convey the material roll 8;

charging:

as shown in fig. 5, the manipulator 1 conveys the material roll 8 to the front of the first empty inflation shaft 36 on the frame 2, and the transfer inflation shaft 43 on the working head 45 and the first empty inflation shaft 36 are coaxial, at this time, the first empty inflation shaft 36 is in a contraction state, the transfer inflation shaft 43 contracts to release the fixation of the material roll 8, then the pusher 44 pushes the material roll 8 to the first empty inflation shaft 36, and then the first inflation shaft 36 expands to fix the material roll 8;

pulling the joint:

as shown in fig. 6, after the material is loaded, the working arm 46 drives the working head 45 to retreat and switches the rotating shaft 42 to the right front; the first expansion shaft 36 of the newly-installed standby coiled material 31 drives the standby coiled material 31 to rotate, the joint of the standby coiled material 31 is adhered with the color code adhesive tape, the position of the color code adhesive tape is detected through a sensor until the joint with the color code adhesive tape is parked at a set position, the mechanical arm 1 controls the rotating shaft 42 to be close to and contact with the joint of the standby coiled material 31 from the radial direction of the standby coiled material 31, the joint edge is adhered to the rotating shaft 42, the first expansion shaft 36 rotates together with the rotating shaft 42 to enable the adhesive surface of the joint of the standby coiled material 31 to wind around the rotating shaft 42 for one circle, then the rotating shaft 42 pulls the joint to be close to the splicer 2, the air cylinder 24 of the splicer 2 drives the adsorption component 21 to return to the initial position in advance, the rotating shaft 42 pulls the joint of the standby coiled material 31 to enter the splicer 2 and places the joint of the, when the rotating shaft 42 releases the joint, the adsorption component 21 adsorbs the released joint of the standby coiled material 31 until the joint of the standby coiled material 31 is completely separated from the rotating shaft 42, then the working arm 46 drives the working head 45 to withdraw, and the air cylinder 24 of the splicer 2 drives the adsorption component 21 to return to the working position to wait for the next splicing and reel change.

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 (7)

1. A raw material feeding and switching device is characterized by comprising a frame (1) and a manipulator (4),

the frame (1) is provided with a splicer (2), a rotary unreeling mechanism (3) positioned at the upstream of the splicer (2) and a stocker (5) positioned at the downstream of the splicer (2), the rotary unreeling mechanism (3) comprises a rotary arm (34), a first air expansion shaft (36) and a second air expansion shaft (32) are respectively arranged at two ends of the rotary arm (34) in a rotating mode, the rotary arm (34) rotates to enable the first air expansion shaft (36) and the second air expansion shaft (32) to be switched between a material placing position and a material preparing position, so that the material on the first and second inflation shafts (36, 32) is switched between the emptying coil (35) and the standby coil (31), the splicer (2) comprises an adsorption component (21) for adsorbing joints of standby coiled materials (31), a pressing component (22) for pressing the discharged coiled materials (35) and the standby coiled materials (31) and a blade component (23) for cutting the discharged coiled materials (35);

the manipulator (4) comprises a working arm (46), a working head (45) is arranged on the working arm (46) in a rotating mode, an unloading mechanism used for taking down the waste core barrel of the coiled material which is used up, a feeding mechanism used for feeding a new coiled material (8) to a first air expansion shaft (36) or a second air expansion shaft (32) located at the material preparation position and a traction mechanism used for drawing the joint of the standby coiled material (31) to the adsorption component (21) are arranged on the working head (45).

2. A device for feeding and switching raw material as defined in claim 1, wherein: rotatory unwinding mechanism (3) still including fixing the guide arm on swinging boom (34), the guide arm be perpendicular with swinging boom (34), the guide arm both ends all rotate and be connected with guide pulley (33).

3. A device for feeding and switching raw material as defined in claim 1, wherein: the splicer (2) also comprises an air cylinder (24) for driving the adsorption component (21) to move.

4. A device for feeding and switching raw material as defined in claim 1, wherein: the discharging mechanism of the manipulator (4) is a clamp (41).

5. A device for feeding and switching raw material as defined in claim 1, wherein: the feeding mechanism of the manipulator (4) comprises a transfer air expanding shaft (43) for expanding, fixing or contracting to release a new material roll (8) and a pushing hand (44) for pushing the material roll (8) from the transfer air expanding shaft (43) to the first air expanding shaft (36) or the second air expanding shaft (32) at the material preparing position.

6. A device for feeding and switching raw material, as claimed in claim 5, wherein: the traction mechanism of the manipulator (4) comprises a rotating shaft (42) which is used for winding the material roll (8) joint positioned at the material preparation position and reversely rotating to release the material roll (8) joint to the adsorption component (21) of the splicer (2).

7. A device for feeding and switching raw material, as claimed in claim 5, wherein: the raw material supply and switching device further comprises a material roll conveying mechanism (7) for conveying the material roll (8) to the transfer air inflation shaft (43).

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