CN219132479U - Absorbent cotton cutting device - Google Patents

Abstract

The utility model discloses a cutting device for absorbent cotton, which comprises a material guide assembly and a material cutting assembly; the material guiding assembly comprises a discharging reel, a stepping motor, a material guiding and cutting platform and a feeding roller; the feeding roller is driven to rotate by a stepping motor, and two ends of the feeding roller are respectively provided with a contact guide ring; a cutter notch is arranged on the material guiding and cutting platform, the material guiding platform is arranged below the feeding roller, and when the material guiding ring rotates clockwise, the outer peripheral surface of the material guiding platform contacts and rubs the top surface of the absorbent cotton transported below the material guiding ring, so that the absorbent cotton sliver is driven to move forwards; the cutting assembly comprises a bracket, an air cylinder and a cutter, wherein a front pressing head and a rear pressing block are respectively arranged on the front side and the rear side of the cutter and used for propping up the surfaces of the absorbent cotton on two sides of the notch to limit when the cutter cuts off the absorbent cotton. The cutting device disclosed by the application is high in automation degree, and the conditions that the hemming, the tilting and the like are unfavorable for continuous production in the cutting process of the absorbent cotton are avoided, so that the working efficiency and the cutting precision can be effectively improved.

Description

Absorbent cotton cutting device

Technical Field

The utility model belongs to the technical field of mechanical equipment, and particularly relates to a cutting device for absorbent cotton.

Background

Absorbent cotton is commonly used in the medical and household article fields because of its good water absorption and water locking properties. For example, common bioprotein chips used for high throughput detection consist of a chip top cover, a letter back adhesive, an NC film, a mirror paper, a absorbent cotton sheet, a cardboard, and a chip bottom cover. However, in the production stage, the absorbent cotton is not directly produced in a single piece, and for convenience of production, the absorbent cotton is usually rolled and cut into cotton pieces with proper sizes for specific applications.

In the past, the cutting work of the absorbent cotton sheets is independently finished by manpower for a long time, workers need to cut the rolled absorbent cotton into single sheets meeting the specification, the operation mode has the problem of low efficiency, the absorbent cotton is softer in material and difficult to fix, the conditions of oblique cutting edges, curled cotton sheets and the like are easy to occur during manual cutting, the deformed cotton sheets are limited by the preparation materials, the deformed cotton sheets cannot be directly restored to the original state, the subsequent use effect is seriously influenced, and the rejection rate of the processing mode is very high. In order to solve the cutting problem of the materials, a plurality of automatic or semi-automatic cutting devices are designed by the technicians in the field, such as an automatic medical absorbent cotton cutting and storing device disclosed in Chinese patent CN 213758962U, namely the problem of low cutting efficiency of workers of the materials is mainly solved; when the presser works, the cotton sliver is cut off through the pressing and cutting head and the cutting edge at the cotton outlet. The device has obvious promotion in work efficiency and accuracy of cutting, but also has an obvious problem, is that absorbent cotton is the same soft lamellar material that all belongs to with absorbent cotton, and the material that is located near the incision during cutting perk and turn-up very easily, can not only influence the cutting effect, also can cause the follow-up material guiding process to appear blocking, influences the effective production of continuity.

Disclosure of Invention

The utility model aims to provide the absorbent cotton cutting device, which is used for cutting absorbent cotton, has high automation degree, can not cause the absorbent cotton to have curling, warping and other conditions which are unfavorable for continuous production in the cutting process, reduces the frequency of equipment jamming and error, and effectively improves the working efficiency.

The technical scheme of the utility model is as follows: the absorbent cotton cutting device comprises a material guiding component and a material cutting component; the material guiding assembly comprises a discharging reel, a stepping motor, a material guiding and cutting platform and a feeding roller; the feeding reel and the stepping motor are connected to the integrated board, the feeding roller is driven to rotate by the stepping motor, and two ends of the feeding roller are respectively and coaxially provided with a contact guide ring; the material guiding and cutting platform comprises a material guiding platform and a material cutting platform, a cutting knife notch is arranged between the material guiding platform and the material cutting platform, the material guiding platform is arranged below the feeding roller, and when the material guiding ring rotates clockwise, the outer peripheral surface of the material guiding platform contacts and rubs the top surface of the absorbent cotton conveyed below the material guiding ring, so that the absorbent cotton sliver is driven to move forwards; the blanking assembly comprises a bracket, an air cylinder and a cutter, wherein the air cylinder is arranged on the bracket, the end part of a piston rod of the air cylinder is provided with a connecting plate, and the cutter is arranged on the bottom surface of the connecting plate; the front pressure head and the rear pressure block are respectively arranged on the bottom surface of the connecting plate and positioned on the front side and the rear side of the cutter, and when the cutter cuts off the absorbent cotton, the front pressure head and the rear pressure block are respectively propped against the surfaces of the absorbent cotton on the two sides of the notch.

Further, the motor shaft of the stepping motor passes through the integrated plate and then is connected with one end of the driving roller through the coupler, two ends of the driving roller are respectively and rotatably connected to the supporting plate on the corresponding side through bearings, the supporting plate is fixed above the supporting bottom plate, one end of the driving roller, which is far away from the stepping motor, is connected with the driving rotating wheel, the feeding roller is arranged at the upper end of the driving roller, two ends of the feeding roller are respectively and rotatably connected to the supporting plate on the corresponding side through bearings, one end of the feeding roller, which is far away from the stepping motor, is connected with the driven rotating wheel, and the driving rotating wheel and the driven rotating wheel are connected through belt transmission.

Further, a plurality of material guiding roll shafts are arranged between the material guiding table and the material discharging reel, and one end of each material guiding roll shaft is connected to the integrated plate.

Further, a group of limiting rings are arranged on each guide roll shaft, the water-absorbing cotton sliver passes through the limiting rings, and the distance between the two limiting rings in the same group is 1-3 mm larger than the width of the water-absorbing cotton sliver.

Further, a cutter groove matched with the back of the cutter is formed in the bottom surface of the connecting plate along the width direction of the connecting plate, the back of the cutter is detachably assembled in the cutter groove, and after the cutter is assembled in place, the assembling position of the cutter corresponds to the design position of the cutter.

Further, a top supporting plate is arranged at the bottom of the blanking table, and the top supporting plate, the supporting bottom plate, the integrated plate and the bracket are all fixed on the device base.

Further, the cylinder passes through sliding block sliding connection on the slide rail on the support, and the one end that is close to the blowing reel on the support is equipped with the locating part, and the locating part includes locating plate and locating lever, and the locating plate is fixed on the support, and the locating lever is fixed on the locating plate, and the position that corresponds with the locating lever on the sliding block is equipped with the joint recess of adaptation, and the cutter of locating lever inboard end joint is fixed in the joint recess after, cylinder bottom is located immediately above the cutting edge.

Further, the slide rail is fixed on the support, and the slide rail extends along the length direction of the support.

Compared with the prior art, the utility model has the following advantages:

1. the device for cutting the absorbent cotton has a simple structure, can complete the whole cutting operation only through the two electric elements of the air cylinder and the stepping motor, and has low design cost; meanwhile, the manual dependency degree in the whole operation process is low, the automation degree is high, compared with a full manual cutting mode, the time and the labor are saved, excessive work load on operators is avoided, the cutting efficiency is obviously improved, and the cutting precision is further ensured;

2. when the cutting operation is carried out by utilizing the cutter, the absorbent cotton on the front side and the rear side of the cut is respectively pressed and limited by the front pressing head and the rear pressing block, so that the conditions that the edge curling, the tilting, the wrinkling and the like of the absorbent cotton are unfavorable for continuous production in the cutting process are avoided, the error rate of the device can be reduced, and the yield can be ensured;

3. according to the automatic feeding device, the cylinder is designed into a movable structure, so that the manual first feeding is more convenient, the situation that operators are accidentally injured due to position interference between hands and cutters during the manual first feeding is avoided, and the operation safety can be improved;

4. after the limiting rings are arranged on the guide roll shafts, the absorbent cotton can be prevented from shifting in the guide conveying process, and the smoothness and accuracy of the conveying process can be improved.

Drawings

FIG. 1 is an isometric view of a absorbent cotton cutting apparatus according to one embodiment of the disclosure;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an isometric view of a guide assembly in the absorbent cotton cutting apparatus of FIG. 1;

FIG. 4 is an isometric view of a guide assembly in the absorbent cotton cutting apparatus of FIG. 1;

FIG. 5 is a schematic left-hand view of a guide assembly of the absorbent cotton cutting apparatus of FIG. 1;

FIG. 6 is an isometric view of a absorbent cotton cutting apparatus as disclosed in example two;

wherein, the device comprises a 1-material guiding component, a 2-material cutting component and 3-absorbent cotton;

11-of a discharging reel, 12-of a stepping motor, 13-of a material guiding and cutting platform, 14-of a feeding roller, 15-of an integrated plate and 16-of a material guiding roller shaft;

121-driving roller, 122-supporting plate, 123-supporting bottom plate, 124-driving rotating wheel, 125-driven rotating wheel, 126-belt and 127-contact guide ring;

131-a material guiding table, 132-a material cutting table, 133-a cutting edge and 134-an arc notch;

161-limiting rings;

21-bracket, 22-cylinder, 23-cutter, 24-connecting plate, 25-front press head, 26-rear press block;

221-sliding blocks, 222-sliding rails and 223-limiting pieces;

2231-positioning plate, 2232-positioning rod.

Detailed Description

The following description of the present utility model is provided with reference to the accompanying drawings, but is not limited to the following description, and any modifications or equivalent substitutions of the present utility model should be included in the scope of the present utility model without departing from the spirit and scope of the present utility model.

Example 1

In order to prevent continuous production from being affected by material hemming and the like during the cutting stage of the absorbent cotton sliver, the embodiment discloses an absorbent cotton cutting device, which comprises two parts, namely a material guiding component 1 and a material cutting component 2, which are correspondingly arranged.

The material guiding assembly 1 comprises a material discharging reel 11, a stepping motor 12, a material guiding and cutting platform 13 and a feeding roller 14, wherein the material discharging reel 11 is fixed at the rear end of an integrated plate 15, the stepping motor 12 is connected to the outer side surface of the front end of the integrated plate 15, a motor shaft of the stepping motor 12 penetrates through the integrated plate 15 and is connected with one end of a driving roller 121 through a coupler, two ends of the driving roller 121 are respectively and rotatably connected to a supporting plate 122 at one side through bearings, the supporting plate 122 is fixed above a supporting bottom plate 123, one end of the driving roller 121 far away from the stepping motor 12 is connected with a driving rotating wheel 124, the feeding roller 14 is arranged at the upper end of the driving roller 121, two ends of the feeding roller 14 are respectively and rotatably connected to a supporting plate 122 at the other side through bearings, one end of the feeding roller 14 far away from the stepping motor 12 is connected with a driven rotating wheel 125, the driving rotating wheel 124 and the driven rotating wheel 125 are in transmission connection through a belt 126, and two ends of the feeding roller 14 are respectively and coaxially provided with a material guiding contact ring 127; the guiding and cutting platform 13 comprises a guiding platform 131 and a cutting platform 132 which are connected, wherein the bottom surfaces of the guiding platform 131 and the cutting platform 132 are connected, a cutting knife notch 133 which is longitudinally disconnected is arranged above the connected position, the guiding platform 131 is arranged below the feeding roller 14, two ends of the guiding platform 131 are respectively provided with an arc notch 134 which is matched with the peripheral shape of the contact guiding ring 127, the peripheral surface of the contact guiding ring 127 is contacted with the top surface of the absorbent sliver which is moved below the contact guiding ring 127 in the clockwise rotation process, and then the absorbent sliver is driven to move forwards by the action force generated by contact friction.

In order to improve the smoothness of the material guiding process, two material guiding roll shafts 16 are arranged between the material guiding table 131 and the material discharging reel 11, and one ends of the material guiding roll shafts 16 are connected to the integrated plate 15; in order to avoid the situation that the subsequent cutting process is normally affected due to the large-amplitude position deviation of the water absorbing cotton sliver in the moving material guiding process, a group of limiting rings 161 are arranged on each material guiding roller shaft 16, the water absorbing cotton sliver passes through the space between the limiting rings 161, the distance between the two limiting rings 161 in the same group is optimal to be slightly larger than the width of the water absorbing cotton sliver, and the water absorbing cotton sliver can be specifically set to be 1-3 mm in size.

The blanking assembly 2 comprises a bracket 21, an air cylinder 22 and a cutter 23, wherein the air cylinder 22 is arranged on the bracket 21, the tail end of a piston rod at the bottom of the air cylinder 22 is provided with a connecting plate 24, and the cutter 23 is arranged on the bottom surface of the connecting plate 24.

For convenient maintenance and replacement of the cutter 23, the cutter 23 is preferably detachably connected to the connecting plate 24, specifically, a cutter slot adapted to the back of the cutter 23 may be formed on the bottom surface of the connecting plate 24 along the width direction thereof, the back of the cutter 23 is commonly detachably assembled in the cutter slot in a clamping or bolting manner, and the assembly position of the cutter 23 is ensured to correspond to the design position of the cutter notch after assembly in place, so that the edge end of the cutter 23 can be accurately inserted into the cutter notch 133 to complete the cutting work of the absorbent cotton sliver.

In order to prevent the situation that the water-absorbing cotton nearby the notch is not beneficial to continuous production, such as tilting, curling, shifting and the like, a front pressing head 25 and a rear pressing block 26 are respectively arranged on the bottom surface of the connecting plate 24 and positioned on the front side and the rear side of the cutter 23, and when the lower cutting edge of the cutter 23 falls into the cutter notch 233 to cut the water-absorbing cotton, the front pressing head 25 and the rear pressing block 26 respectively press the surfaces of the water-absorbing cotton positioned on the material guiding table 131 and the material cutting table 132.

At the bottom of the blanking table 132, there is provided a top support plate 27, and the top support plate 27, the support base plate 123, the integrated plate 15 and the stand 21 are all fixed to a device base (not shown in the figure).

Example two

The embodiment is different from the first embodiment only in that the cylinder 22 is designed to be of a structure capable of moving along the length direction of the bracket 21, and the design is mainly used for facilitating the first feeding and avoiding the situation that the cutter accidentally injures the operator due to the position interference between the hand and the cutter when the first feeding work is performed manually.

Specifically, the cylinder 22 is slidably connected to the sliding rail 222 on the support 21 through the sliding block 221, one end, close to the discharging reel 11, on the support 21 is provided with a limiting piece 223, the limiting piece 223 comprises a positioning plate 2231 and a positioning rod 2232, the positioning plate 2231 is fixed on the support 21, the positioning rod 2232 is fixed on the positioning plate 2231, an adaptive clamping groove is formed in a position, corresponding to the positioning rod 2232, on the sliding block 221, of the inner side end of the positioning rod 2232 is clamped and fixed in the clamping groove, and then a cutter at the bottom of the cylinder 22 can be accurately located at a cutting position and can start subsequent cutting work.

The sliding rail 222 is fixed on the bracket 21, and the sliding rail 222 extends along the length direction of the bracket 21.

As a preferred option, a magnetic block can be disposed at the inner side end of the positioning rod 2232, and a magnetic sheet is disposed in the clamping groove correspondingly, when the air cylinder 22 is pushed towards the limiting member 223, the positioning rod 2232 and the clamping groove are close to each other and receive the effect of magnetic attraction, the positioning rod 2232 and the positioning groove can be quickly abutted in place, and after the magnetic attraction connecting device is added, the position stability of the air cylinder 22 can be further ensured in the subsequent cutting operation process, and the phenomenon that the cutter is misaligned due to accidental sliding displacement of the air cylinder 22 can not occur.

The specific action process of the device is as follows:

firstly, the rolled absorbent cotton 3 is loaded on the discharging reel 11, after the air cylinder 22 is moved to the forefront end of the sliding rail 222, an operator manually pulls the absorbent cotton sliver from the discharging reel 11, the cotton sliver sequentially passes through the two guide roll shafts 16 and is pulled onto the guide table 131, the free end of the absorbent cotton 3 is aligned with the front end of the guide table 131, and then the air cylinder 22 is pushed rightward along the sliding rail 222 until the positioning rod 2232 and the positioning groove are assembled in place, and at the moment, the cutter 23 stands by right above the cutter cut 133. Then, the air cylinder 22 and the stepping motor 12 are started, the stepping motor 12 drives the driving roller 121 to rotate, the driving roller 121 drives the driving rotary wheel 124 to rotate, the driving rotary wheel 124 drives the driven rotary wheel 125 to rotate, the driven rotary wheel 125 drives the feeding roller 14 to rotate, finally the feeding roller 14 drives the contact guide ring 127 to rotate, the contact guide ring 127 rotates clockwise to drive the absorbent cotton 3 to move forwards, when the free end of the absorbent cotton sliver reaches the front end position of the cutting table 132, the cutter 23 descends under the action of the air cylinder 22, the cutting edge falls into the cutter notch 133 to cut the absorbent cotton sliver, and in the cutting process, the front pressure head 25 and the rear pressure block 26 respectively push against the absorbent cotton 3 positioned at the front side and the rear side of the notch to prevent the absorbent cotton 3 from being curled, tilted, wrinkled and other adverse conditions. After the cutting is finished, the air cylinder 22 drives the cutter 23 to move upwards, in the process, the stepping motor 12 continues to drive the contact guide ring 127 to rotate so as to drive the absorbent cotton 3 at the rear end to move forwards, and the absorbent cotton piece just cut off is pushed to drop from the blanking table 132 in the process of moving forwards of the rear absorbent cotton sliver, so that in order to finish the product collecting work, a collecting box can be placed at the front end of the blanking table 132 to collect the cut absorbent cotton piece. In order to facilitate electrical control of the whole device, two electrical components, namely the cylinder 22 and the stepper motor 12, used in the device can be electrically controlled by the main controller, so that a cutting movement program is conveniently set, and the two components can be connected and matched to smoothly complete cutting work.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (8)

1. The absorbent cotton cutting device is characterized by comprising a material guide assembly and a material cutting assembly;

the material guiding assembly comprises a discharging reel, a stepping motor, a material guiding and cutting platform and a feeding roller;

the feeding reel and the stepping motor are connected to the integrated board, the feeding roller is driven to rotate by the stepping motor, and two ends of the feeding roller are respectively and coaxially provided with a contact guide ring;

the material guiding and cutting platform comprises a material guiding platform and a material cutting platform, a cutting knife notch is arranged between the material guiding platform and the material cutting platform, the material guiding platform is arranged below the feeding roller, and when the material guiding ring rotates clockwise, the outer peripheral surface of the material guiding platform contacts and rubs the top surface of the absorbent cotton conveyed below the material guiding ring, so that the absorbent cotton sliver is driven to move forwards;

the blanking assembly comprises a bracket, an air cylinder and a cutter, wherein the air cylinder is arranged on the bracket, the end part of a piston rod of the air cylinder is provided with a connecting plate, and the cutter is arranged on the bottom surface of the connecting plate;

the front pressure head and the rear pressure block are respectively arranged on the bottom surface of the connecting plate and positioned on the front side and the rear side of the cutter, and when the cutter cuts off the absorbent cotton, the front pressure head and the rear pressure block are respectively propped against the surfaces of the absorbent cotton on the two sides of the notch.

2. The absorbent cotton cutting apparatus of claim 1, wherein a motor shaft of the stepper motor is connected to one end of the driving roller through a coupling after passing through the integrated board, both ends of the driving roller are rotatably connected to the supporting plate on the corresponding side through bearings, the supporting plate is fixed above the supporting base plate, one end of the driving roller away from the stepper motor is connected to the driving wheel, the feeding roller is arranged at the upper end of the driving roller, both ends of the feeding roller are rotatably connected to the supporting plate on the corresponding side through bearings, one end of the feeding roller away from the stepper motor is connected to the driven wheel, and the driving wheel and the driven wheel are connected through a belt transmission.

3. The absorbent cotton cutting apparatus of claim 1, wherein a plurality of guide rollers are provided between the guide table and the discharge reel, and one end of each guide roller is connected to the integrated board.

4. A absorbent tampon cutting assembly according to claim 3, wherein a set of stop rings is provided on each of the guide rolls, the absorbent tampons passing between the stop rings, the distance between the two stop rings of the same set being 1-3 mm greater than the width of the absorbent tampons.

5. The absorbent cotton cutting apparatus as set forth in claim 1, wherein a cutter groove adapted to the back of the cutter is formed in the bottom surface of the connection plate in the width direction thereof, the back of the cutter is detachably fitted in the cutter groove, and the fitting position of the cutter corresponds to the design position of the cutter cut after the fitting is in place.

6. The absorbent cotton cutting apparatus of claim 2, wherein a top support plate is provided at the bottom of the cutting table, and the top support plate, the support base plate, the integrated plate and the bracket are all fixed to the apparatus base.

7. The absorbent cotton cutting device of claim 1, wherein the cylinder is slidably connected to a slide rail on the support through a sliding block, one end of the support, which is close to the discharging reel, is provided with a limiting part, the limiting part comprises a positioning plate and a positioning rod, the positioning plate is fixed on the support, the positioning rod is fixed on the positioning plate, an adaptive clamping groove is formed in a position, corresponding to the positioning rod, on the sliding block, and after the inner end of the positioning rod is clamped and fixed in the clamping groove, a cutter at the bottom of the cylinder is positioned right above the cutting edge.

8. The absorbent cotton cutting apparatus of claim 7, wherein the slide rail is secured to the support, the slide rail extending along a length of the support.

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