CN107265161B

CN107265161B - Box-type sanitary product raw material feeding system

Info

Publication number: CN107265161B
Application number: CN201710432300.0A
Authority: CN
Inventors: 和田昇
Original assignee: Zuiko (shanghai) Corp
Current assignee: Zuiko (shanghai) Corp
Priority date: 2017-06-09
Filing date: 2017-06-09
Publication date: 2023-07-07
Anticipated expiration: 2037-06-09
Also published as: CN107265161A

Abstract

The invention relates to the technical field of sanitary product manufacturing equipment, and discloses a box-type sanitary product raw material feeding system which comprises a frame-shaped rack, a roller pressing device, a lifting driving device and a control device, wherein lifting rails are arranged on the front side and the rear side of the frame-shaped rack, the roller pressing device is arranged on the lifting rails, box-type sanitary product raw materials are placed in the rack below the roller pressing device, the lifting driving device is arranged on the frame-shaped rack and drives the roller pressing device to lift, and the box-type sanitary product raw materials pass through the roller pressing device and are conveyed forwards by a driving roller. The invention overcomes the tension change of raw materials in the width direction, the width of the materials is controlled by guiding in the feeding process, deviation can not occur, and the materials can be stably and efficiently conveyed to the downstream working procedure. The material receiving without stopping is realized, the material receiving success rate can reach 100 percent, and the utilization rate of raw materials can reach more than 99 percent.

Description

Box-type sanitary product raw material feeding system

Technical Field

The invention relates to the technical field of sanitary product manufacturing equipment, in particular to a box-type sanitary product raw material feeding system.

Background

Along with the development of the sanitary product industry, the absorbent sanitary product also has diversified development. In recent years, along with the increasingly wide application of novel sanitary product raw materials in absorbent sanitary products, novel sanitary product raw materials such as fluffy non-woven fabrics, 3D embossed non-woven fabrics, prefabricated composite cores, dust-free paper, fiber tows and the like are appeared, and the novel sanitary product raw materials are characterized by being thicker (such as dust-free paper and prefabricated composite cores) or irregular in shape (such as fiber tows), if conventional disc-type rolling packaging is adopted, the characteristics of frequent material replacement, material receiving and the like can appear particularly for infant diaper production equipment with the production speed of 500 sheets/min, the labor intensity and the labor cost are increased, and the effective exertion of the production capacity of a machine is restricted.

In addition, like fluffy non-woven fabrics, 3D knurled non-woven fabrics material, with conventional disc roll-up rolling packing, the problem such as material thickness reduction, 3D knurled stereoscopic effect degree of fluffiness variation appear.

Therefore, in recent years, the raw materials of the sanitary products in the market have the novel rolling mode, such as box-type raw materials (box-type materials rolled by adopting a cross folding and lamination laying mode), so that the length of the raw material coil stock can be greatly increased, the material changing and receiving frequency is effectively reduced, and the machine efficiency is improved to a certain extent. However, the raw materials of this new rolling mode are because the width direction changes relatively great in feeding and pay-off in-process, and material tension is changeable, and the material is easy turn-ups or fold in the conveying process, and the material is easy the skew unstable when conveying to both sides moreover.

The Chinese patent (201220729841.2) discloses a folding raw material discharging device, which comprises a discharging roller, a storage box and a sensor, wherein the discharging roller is arranged on one side above the storage box, the storage box is arranged on a reciprocating mechanism, the reciprocating mechanism is controlled by a control unit, the sensor is arranged in the vertical direction of materials between the discharging roller and the storage box, the conduction deviation of the materials is transmitted to the control unit through the sensor, and the control unit controls the reciprocating mechanism to adjust the position of the storage box in real time so that the materials are output on a preset path. However, the raw materials lack tension control between the discharging roller and the storage box, the tension change is larger when the materials are arranged at the upper part or the bottom of the storage box along with the operation process of the reciprocating mechanism, and the sensor detects the conduction deviation of the materials, so that the control unit drives the reciprocating mechanism of the storage box to respond in time, particularly when the reciprocating mechanism operates at a high speed, the reciprocating mechanism has a larger reciprocating frequency along with a preset path, the response time is delayed, and the discharge swing has an unstable condition.

Disclosure of Invention

The invention aims to solve the technical problems, and provides a box-type sanitary product raw material feeding system which can effectively solve the problem of frequent material changing and simultaneously stably and efficiently convey materials to a downstream process.

The technical scheme adopted by the invention is as follows:

the utility model provides a box health supplies raw and other materials feed system, its characterized in that includes frame, nip roll device, lift drive arrangement and controlling means, both sides set up the lift rail around the frame, set up on the lift rail nip roll device place box health supplies raw and other materials in the frame of nip roll device below, lift drive arrangement sets up in the frame, the drive nip roll device goes up and down, box health supplies raw and other materials pass nip roll device, by the drive roller forward transport, controlling means is according to the height of box health supplies raw and other materials, control lift drive arrangement drive nip roll device downward displacement makes the distance between raw and other materials and the nip roll device keep within the predetermined value.

Further, the pinch roller device comprises mounting plates at two ends, the mounting plates are matched with lifting rails at the front side and the rear side of the frame-shaped frame, the lifting driving device comprises a driving motor and a belt, the belt is arranged in parallel on the outer side of the lifting rails, the mounting plates are connected with the belt, and the driving motor drives the pinch roller device to ascend or descend when driving the belt to rotate.

Further, the control device comprises a raw material height sensor arranged below the roller pressing device, the raw material height sensor transmits the height between the roller pressing device and the raw material to the control device in real time, and the control device adjusts the rotating speed of the driving motor in real time according to the height value so that the roller pressing device and the raw material keep a preset height.

Further, an upper limit detection plate is arranged above a mounting plate of the pinch roller device, an upper limit sensor is arranged at the relative position of an upper frame of the frame-type rack, a lower limit detection plate is arranged below the mounting plate, a lower limit sensor is arranged at the position, close to the lower end, of the frame-type rack, the upper limit sensor and the lower limit sensor are connected with a control device, when the upper limit sensor detects the upper limit detection plate and when the lower limit sensor detects the lower limit detection plate, the pinch roller device is located at the upper limit and the lower limit, the upper limit sensor and the lower limit sensor send signals to the control device, and the control device controls the driving motor to stop driving.

Further, the two belts of the lifting driving device are respectively arranged at the outer sides of the lifting rails at two sides, the driving motor is connected with the output shaft, and the output shaft transmits the rotation of the driving motor to the two belts so that the two belts synchronously rotate.

Further, the nip roll apparatus includes a plurality of nip rolls disposed between the mounting plates, the raw material is interposed between the plurality of nip rolls, and a relative position between two or more of the plurality of nip rolls is adjustable to enable a material tension of the raw material to be adjusted.

Further, a material baffle is arranged below the mounting plates, the distance between two opposite material baffles is smaller than the distance between the two mounting plates, and the distance between the two material baffles is matched with the width of the raw materials.

Further, a guide device is provided between the nip roller device and the driving roller, and the raw material is conveyed forward by the driving roller through the guide device after being output by the nip roller.

Further, a material turning device is provided in front of the path of the driving roller conveying raw material, the material turning device turns the conveying direction of the material by 90 degrees, and the driving roller and the deviation correcting device are provided on the main panel of the frame behind the turning device.

Further, a vertical nip roller is provided between the material turning device and the drive roller.

Further, a pressing roller is provided on the driving roller.

Further, one or more free rollers are provided on the path of the raw material conveyance.

Further, the guiding device comprises a guiding ring and a guiding rod, and the guiding ring and the guiding rod are arranged on the frame above the frame-shaped rack.

Further, a standby raw material is arranged on the left side or the right side of the frame-shaped frame, and the front end of the standby raw material is spliced with the tail end of the raw material.

Further, the raw materials are placed on the crawler belt below the frame-type rack, the crawler belt is driven by the material changing motor, the standby raw materials are placed on the crawler belt on one side of the raw materials, and when the raw materials are used up, the material changing motor drives the crawler belt to convey the standby raw materials to the position of the raw materials.

The beneficial effects of the invention are as follows:

(1) The material receiving without speed reduction is realized on a high-speed production line, so that the material tension can be well controlled, and the material receiving times are reduced;

(2) For the box-type raw materials, the raw materials are guided to stably transition under the state of not moving the materials, so that the tension of the materials is kept constant, the material sending direction is kept consistent with the material rolling track direction, the feeding amplitude is the lowest, and the material stability is improved;

(3) The tension change of the raw materials in the width direction is overcome, the width of the materials is controlled by guiding in the feeding process, deviation is avoided, and the materials can be stably and efficiently conveyed to the downstream process;

(4) The material receiving is not stopped, the success rate of the material receiving can reach 100 percent, and the utilization rate of raw materials can reach more than 99 percent.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a diagram of the connection between the lifting slide rail, the belt and the nip roll assembly;

FIG. 3 is a schematic perspective view of a nip roll assembly;

FIG. 4 is a side view of the present invention;

FIG. 5 is a schematic diagram of a transfer line of material into a main panel of the apparatus;

FIG. 6 is a schematic diagram of a refueling device;

fig. 7 is a schematic perspective view of the frame and the internal structure.

The reference numerals in the drawings are respectively:

1. a frame-type frame; 2. a nip roll assembly;

3. a lifting driving device; 4. lifting rails;

5. a mounting plate; 6. a driving motor;

7. a belt; 8. a pressure-feed roller;

9. an upper limit detection plate; 10. a lower limit sensor;

11. a lower limit detection plate; 12. a material baffle;

13. a raw material height sensor; 14. a guide device;

15. a driving roller; 16. a pressing roller;

17. a vertical clamping roller; 18. a free roller;

19. a deviation correcting device; 20. a track;

21. a sensor; 22. a material turning device;

23. a material-changing motor; 24. upper limit transmission a sensor;

100. raw materials; 200. standby raw materials.

Detailed Description

The following describes in detail the embodiments of the raw material feeding system for box-type sanitary products according to the present invention with reference to the attached drawings.

Referring to fig. 1, 2, 3 and 7, a box-type sanitary product raw material feeding system comprises a frame-shaped rack 1, a pinch roller device 2, a lifting driving device 3 and a control device. The frame-shaped rack 1 comprises four upright posts, square frames are arranged above the four upright posts, crosspieces are arranged below the front side and the rear side of the four upright posts, lifting rails 4 are arranged between the crosspieces and the square frames, pinch roller devices 2 are arranged on the lifting rails 4, box-type sanitary product raw materials 100 are placed in the frame-shaped rack 1 below the pinch roller devices 2, and lifting driving devices 3 are arranged on mounting plates of the square frames above the rack 1.

Referring to fig. 2 and 3, the pinch roller device 2 includes mounting plates 5 at both ends, the mounting plates 5 cooperate with lifting rails 4 at both sides of the frame-shaped frame 1, the lifting driving device 3 includes a driving motor 6 and a belt 7, the belt 7 is arranged at the outer side of the lifting rails 4 in parallel, the mounting plates 5 are connected with the belt 7, and the driving motor 6 drives the pinch roller to rise or fall when driving the belt 7 to rotate. The two belts 7 of the lifting driving device 3 are respectively arranged on the outer sides of the lifting rails 4 on the two sides, the driving motor 6 is connected with an output shaft, and the output shaft transmits the rotation of the driving motor 6 to the two belts 7, so that the two belts 7 synchronously rotate.

The main shaft of driving motor 6 rotates driving motor 6 and conveys to the follow driving wheel and decelerates, follows driving wheel connection belt 7, and behind belt 7 and the roller device 2 of sending of pressure passed through the installation piece connection, the conveying of belt 7 has driven roller device 2 of sending of pressure to do reciprocating motion about lifting rail 4, the height position of raw and other materials promptly. When the belt 7 is conveyed, the height of the box-type material is lower and lower in the use process, and the lifting driving device 3 drives the roller pressing device 2 to move downwards.

Referring to fig. 3, the pinch roller device 2 includes a plurality of pinch rollers 8 disposed between mounting plates 5, raw materials are threaded between the plurality of pinch rollers 8, and the relative positions between two or more of the plurality of pinch rollers 8 can be adjusted up and down, so that the material tension of the raw materials can be adjusted.

The box-type sanitary product raw material 100 passes through the nip roll device 2 and is conveyed forward by the driving roll 15, and the control device controls the lifting driving device 3 to drive the nip roll device 2 to move downwards according to the height of the box-type sanitary product raw material 100, so that the distance between the raw material and the nip roll device 2 is kept within a preset value.

An upper limit detection plate 9 is arranged above the mounting plate 5 of the pinch roller device 2, an upper limit sensor 24 is arranged at the relative position of the upper frame of the frame-type rack 1, a lower limit sensor 10 is arranged at the position close to the lower end of the frame-type rack 1, a lower limit detection plate 11 is arranged below the mounting plate 5, the upper limit sensor 24 and the lower limit sensor 10 are connected with a control device, when the upper limit sensor 24 detects the upper limit detection plate 9 and the lower limit sensor 10 detects the lower limit detection plate 11, the pinch roller device 2 is positioned at the upper limit and the lower limit, the upper limit sensor 24 and the lower limit sensor 10 send signals to the control device, and the control device controls the driving motor 6 to stop driving. A material baffle plate 12 is arranged below the mounting plates 5, the distance between two opposite material baffle plates 12 is smaller than the distance between the two mounting plates 5, and the distance between the two material baffle plates 12 is matched with the width of the raw material.

The control device also comprises a raw material height sensor 13 arranged below the pinch roller device 2, the raw material height sensor 13 transmits the height between the pinch roller device 2 and the raw material to the control device in real time, and the control device adjusts the rotating speed of the driving motor 6 in real time according to the height value so as to keep the predetermined height between the pinch roller device 2 and the raw material. The control device calculates the height between the nip roll assembly 2 and the stock material based on the information from the two stock material height sensors 13.

The material height sensor arranged on the squeeze roll device 2 is electrically connected with the control device, the material height sensor is always kept at a certain distance from the box-type sanitary product raw material 100 and is used for detecting the position relation between the squeeze roll device 2 and the box-type sanitary product raw material 100, when the height value of the box-type sanitary product raw material 100 deviates from a set value set by the material height sensor in advance, the material height sensor gives an alarm, the control unit controls the rotating speed of the driving motor 6 according to a transmission deviation signal of the material height sensor so as to control the lifting speed, and the height deviation between the material and the squeeze roll unit is corrected by adjusting the height position of the squeeze roll device 2 in real time, so that the material is conveyed to the next procedure within a smaller tension change range.

Referring again to fig. 3, the nip roll assembly 2 includes four independent nip rolls 8 mounted between the mounting plates 5 on each side. Two of the two are distributed up and down, and the other two are distributed left and right for conveying raw materials. The pinch roller device 2 guides the material to be stably conveyed, the mounting holes of the mounting plate 5 are waist-shaped holes, the distance between the pinch rollers 8 arranged up and down is convenient to adjust, the material can be better clamped, and meanwhile, the tension of the material can be better controlled. The material baffles 12 are positioned on both sides of the box-type sanitary product raw material 100, and the two material baffles 12 are mounted on the mounting plate 5 and are linked together with the mounting plate 5. When the box-type sanitary product raw material 100 reciprocates along the direction of the raw material rolling track in the feeding process, particularly at high speed operation, the material tends to incline outwards and fall down, so the material baffle 12 is arranged to prevent the materials at two sides from inclining outwards, and the flatness of the materials in the conveying process is ensured.

The upper limit sensor 24 is installed on the upper frame side of the frame type machine frame 1, the lower limit sensor 10 is installed below the frame of the frame type machine frame 1 and near the lower end position, and both sensors are electrically connected with the control unit and used for monitoring the upper limit position and the lower limit position of the pinch roller device 2. When the sensor detects the detection plate, the sensor sends a signal to the control unit, and the control unit controls the pinch roller device 2 to stop continuing to move upwards or downwards according to the signal transmitted by the sensor.

Referring to fig. 1, 4 and 5, a guide 14 is provided between the nip roller device 2 and the drive roller 15, and the raw material is fed out from the nip roller and then driven forward by the drive roller 15 via the guide 14. In front of the path of the driving roller 15 for conveying the raw material, a material turning device 22 is provided, and the material turning device 22 turns the conveying direction of the material by 90 degrees, and finally conveys the material onto the main panel of the sanitary equipment. A vertical pinch roller 17 is arranged between the material turning device 22 and the driving roller 15, and a deviation correcting device 19 is arranged on the main panel of the frame behind the turning device. The driving roller 15 is provided with a pressing roller 16. On the path of the raw material transport, one or more free rollers 18 are provided. The guide 14 comprises a guide ring and a guide rod and is arranged on the frame above the stand 1.

The free rollers 18 are free to rotate for transporting the raw material and adjusting the tension and changing the path direction. The guide ring moves the material in the range of the upper guide groove and the lower guide groove, and the offset of the material is controlled. When the material enters the guide ring device through the pinch roller device 2, the conical guide groove corrects the trend of the material, and the offset of the material is reduced. The driving roller 15 is a directly power-driven roller and actively drives the raw material to be conveyed. The pressing roller 16 is a roller for pinching the material, which is matched with the driving roller 15. The vertical clamping rollers 17 are two rollers, are vertically arranged, and are used for vertically clamping materials and conveying the materials to the next process, so that the materials are ensured to be in the center of the equipment flow, and the positions of the materials are controlled. The deviation correcting device 19 makes the box type material in a stable tension range, and corrects the position before being compounded with other materials, so that the correct position of the material in the CD direction is fully ensured.

Referring to fig. 6, a standby raw material 200 is provided at the left or right side of the frame-type housing 1, and the front end of the standby raw material 200 is spliced with the end of the raw material. The raw material is placed on the caterpillar 20 under the frame 1, the standby raw material 200 is placed on the caterpillar 20 on one side of the raw material, and when the raw material runs out, the caterpillar 20 conveys the standby raw material 200 to the position of the raw material. The track is driven by a reloading motor 23 and whether the raw material is used up or not is monitored by a sensor 21 provided on the track 20.

The box-type sanitary raw material changing device is characterized in that box-type sanitary raw material 100 and box-type sanitary spare raw material 200 are placed on a crawler 20 of the box-type sanitary raw material changing device, the tail end of the box-type sanitary raw material 100 and the head of the box-type sanitary spare raw material 200 are manually connected, a box-type raw material feeding system of equipment is started to start working, a sensor 21 is used for detecting the surplus materials of the box-type sanitary raw material 100, when the sensor 21 alarms, the surplus materials of the box-type sanitary raw material 100 are indicated to be lower than a set minimum value, and an operator is indicated to perform a material changing operation. At this time, the control of the feed motor 23 drives the crawler 20 to forward transport raw materials, and the standby raw materials of the box-type sanitary products are transported to the position of the raw materials 100 of the box-type sanitary products, so that the equipment is ready for operation.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims

1. A box-type hygienic product raw material feeding system, which is characterized in that: the device comprises a frame-shaped frame, a pinch roller device, a lifting driving device and a control device, wherein lifting rails are arranged on the front side and the rear side of the frame-shaped frame, the pinch roller device is arranged on the lifting rails, box-type sanitary product raw materials are placed in the frame-shaped frame below the pinch roller device, the lifting driving device is arranged on the frame-shaped frame and drives the pinch roller device to lift, the box-type sanitary product raw materials pass through the pinch roller device and are conveyed forwards by a driving roller, and the control device controls the lifting driving device to drive the pinch roller device to move downwards according to the height of the box-type sanitary product raw materials so that the distance between the raw materials and the pinch roller device is kept within a preset value;

the pressing roller device comprises mounting plates at two ends, the mounting plates are matched with lifting rails at the front side and the rear side of the frame-shaped rack, the lifting driving device comprises a driving motor and a belt, the belts are arranged on the outer sides of the lifting rails in parallel, the mounting plates are connected with the belts, and the driving motor drives the pressing roller device to ascend or descend when driving the belts to rotate;

the pressing and conveying roller device comprises a plurality of pressing and conveying rollers arranged between the mounting plates, the raw materials are arranged between the pressing and conveying rollers in a penetrating mode, and the relative positions between two or more of the pressing and conveying rollers can be adjusted, so that the material tension of the raw materials can be adjusted;

the material baffle plates are arranged below the mounting plates, the distance between the two opposite material baffle plates is smaller than the distance between the two mounting plates, and the distance between the two material baffle plates is matched with the width of the raw materials.

2. The box-type hygienic product raw material feeding system according to claim 1, wherein: the control device comprises a raw material height sensor arranged below the roller pressing device, the raw material height sensor transmits the height between the roller pressing device and the raw material to the control device in real time, and the control device adjusts the rotating speed of the driving motor in real time according to the height value so that the roller pressing device and the raw material keep a preset height.

3. The box-type hygienic product raw material feeding system according to claim 2, wherein: the upper limit detection plate is arranged above the mounting plate of the pinch roller device, the upper limit sensor is arranged at the relative position of the upper frame of the frame-shaped rack, the lower limit detection plate is arranged below the mounting plate, the lower limit sensor is arranged at the position, close to the lower end, of the frame-shaped rack, the upper limit sensor and the lower limit sensor are connected with the control device, when the upper limit sensor detects the upper limit detection plate and when the lower limit sensor detects the lower limit detection plate, the pinch roller device is located at the upper limit and the lower limit, the upper limit sensor and the lower limit sensor send signals to the control device, and the control device controls the driving motor to stop driving.

4. A box-type hygienic product raw material feeding system according to claim 2 or 3, wherein: the two belts of the lifting driving device are respectively arranged at the outer sides of lifting rails at two sides, the driving motor is connected with an output shaft, and the output shaft transmits the rotation of the driving motor to the two belts so that the two belts synchronously rotate.

5. A box-type hygienic product raw material feeding system according to claim 2 or 3, wherein: and a guide device is arranged between the pinch roller device and the driving roller, and the raw material is conveyed forward by the driving roller through the guide device after being output by the pinch roller.

6. The box-type hygienic product raw material feeding system according to claim 1, wherein: and a material steering device is arranged in front of the path for conveying the raw materials by the driving roller, the material steering device steers the conveying direction of the materials by 90 degrees, and the driving roller and a deviation correcting device are arranged on a main panel of the frame behind the steering device.

7. The box-type hygienic product raw material feeding system according to claim 6, wherein: a vertical pinch roller is disposed between the material turning device and the drive roller.

8. The box-type hygienic product raw material feeding system according to claim 6, wherein: the driving roller is provided with a pressing roller.

9. The box-type hygienic product raw material feeding system according to claim 6, wherein: on the path of the raw material transport, one or more free rollers are provided.

10. The box-type hygienic product raw material feeding system according to claim 5, wherein: the guide device comprises a guide ring and a guide rod, and is arranged on the frame above the frame-shaped rack.

11. A box-type hygienic product raw material feeding system according to any one of claims 1 to 3, wherein: and setting a standby raw material on the left side or the right side of the frame-shaped rack, wherein the front end of the standby raw material is spliced with the tail end of the raw material.

12. The box-type hygienic product raw material feeding system according to claim 11, wherein: the raw materials are placed on the track below the frame-shaped frame, the track is driven by a refueling motor, the standby raw materials are placed on the track on one side of the raw materials, and when the raw materials are used up, the refueling motor drives the track to convey the standby raw materials to the position of the raw materials.