CN217669692U - Vibration knife pinch roller device - Google Patents

Abstract

The utility model belongs to the technical field of flexible material's vibration cutting technique and specifically relates to a vibration sword pinch roller device is related to. It includes: comprises a base body, a driving mechanism, a vibrating knife seat and a pinch roller mechanism; the driving mechanism is arranged on the base body, and the output end of the driving mechanism is connected with the vibrating knife holder; the pressing wheel mechanism comprises a plurality of elastic shaft assemblies, and each elastic shaft assembly comprises a connecting shaft, a spring and a roller; connecting axle sliding connection is on the vibration blade holder, and the gyro wheel setting is equipped with the spring at the lower extreme of connecting axle, every connecting axle outside all the cover, the one end and the vibration blade holder butt of spring, the other end and gyro wheel butt. Adopt this application can realize pressing from both sides tightly when cutting spatial position material vibration, reduce the problem of wrinkling of cutting material in cutting process, satisfy the cutting precision of spatial position material.

Description

Vibration knife pinch roller device

Technical Field

The utility model belongs to the technical field of flexible material's vibration cutting technique and specifically relates to a vibration sword pinch roller device is related to.

Background

The vibrating knife cutting machine is a device which can quickly realize high-efficiency typesetting, achieves cutting of various materials, is also suitable for proofing and small-batch production, enables more enterprises to distinguish the traditional manual knife cutting process, enters a new era of digital non-knife-die processing, does not need to make knife dies, and saves expenses such as knife die manufacturing management in the production and development process. Nowadays, a vibrating knife cutting machine is widely used for cutting PU leather, clothing cloth, plastic boards, and the like. When the vibration cutter is used for cutting, because relative motion needs to be generated between the cutter head and a material, the friction between the material and the cutter head can cause the problem of wrinkling of the material under certain working conditions, the cutting precision and the quality of the material cannot meet the requirements, and therefore a pressing device is generally arranged on the vibration cutting equipment.

At present, the patent of the invention of China, published as 20190712 and published as CN110000842A, discloses a vibrating knife cutting mechanism, which comprises a moving seat, a vibrating knife seat and a vibrating knife head, wherein the moving seat is provided with the vibrating knife seat in sliding fit with the moving seat, the vibrating knife seat is provided with the vibrating knife head, the bottom of the vibrating knife seat is elastically connected with a pressing plate, and the pressing plate is positioned right below the vibrating knife seat.

When the material is to be cut, the vibrating knife seat is moved downwards, the pressing plate which is elastically connected with the bottom of the vibrating knife seat is contacted with the material to be cut, the material to be cut is pressed tightly, and then the vibrating knife head starts to vibrate up and down to cut, so that the material is cut in a vibrating mode.

In view of the above technical solutions, the inventor believes that, when a material at a spatial position is cut, because the bottom surface of the clamping member pressing plate in the above solution is a plane, the clamping member pressing plate cannot be applied to pressing the material at the spatial position, and further cannot realize pressing and cutting of the material at the spatial position.

SUMMERY OF THE UTILITY MODEL

In order to satisfy the requirement that compresses tightly when spatial position material vibration cutting, the utility model provides a vibration sword pinch roller device.

The utility model provides a pair of vibration sword pinch roller device adopts following technical scheme:

a vibration knife pinch roller device comprises a base body, a driving mechanism, a vibration knife holder and a pinch roller mechanism; the driving mechanism is arranged on the base body, and the output end of the driving mechanism is connected with the vibrating knife holder; the pressing wheel mechanism comprises a plurality of elastic shaft assemblies, and each elastic shaft assembly comprises a connecting shaft, a spring and a roller; connecting axle sliding connection is on the vibration blade holder, and the gyro wheel setting is at the lower extreme of connecting axle, and every connecting axle outside all overlaps and is equipped with the spring, the one end and the vibration blade holder butt of spring, the other end and gyro wheel butt.

By adopting the technical scheme, when a material needs to be cut by the vibrating knife, the base body is moved to the designated position of a cutting workpiece, the driving mechanism is operated to drive the vibrating knife holder to move downwards, the roller starts to contact the cutting material, the vibrating knife holder continues to move downwards, the spring starts to compress, the connecting shaft slides upwards relative to the vibrating knife holder, when the spring is compressed to a certain distance, the roller finishes the compression of the cutting material, and the driving mechanism stops operating; then the vibrating knife starts to vibrate up and down to complete the cutting of the material. So set up, the gyro wheel of difference can with the unequal high contact of cutting material under the effect of spring, realize pressing from both sides tightly when vibration cutting to the space position material, reduce the problem of wrinkling of cutting material in cutting process, satisfy the cutting accuracy of space position material.

Optionally, the rollers are universal wheels, and the universal wheels are connected to the lower end of the connecting shaft.

Through adopting above-mentioned technical scheme, when the material need turn to in the cutting process, the universal wheel receives the power of redirecting, can follow the cutting direction free rotation of vibration sword. So operate, can be so that on the arbitrary cutting direction, the cutting material can both be in fine state that compresses tightly, has guaranteed cutting accuracy and cutting efficiency.

Optionally, the pressing wheel mechanism further comprises a plurality of pressure sensors, the pressure sensors are arranged between the universal wheels and the connecting shafts, the pressure sensors correspond to the universal wheels one to one, and the pressure sensors are in electric signal connection with the driving mechanism.

By adopting the technical scheme, when the driving mechanism operates, the vibration knife holder is driven to move downwards, the universal wheel is in surface contact with a cutting material, when the clamping force between the universal wheel and the cutting material reaches the set value of the pressure sensor, the pressure sensor controls the driving mechanism through an electric signal, the driving mechanism stops operating, and then the vibration knife starts to cut the material. So set up, can be at cutting in-process real time control actuating mechanism for packing force in the cutting process keeps the setting value, prevents that the universal wheel from to the too big or undersize of packing force of material, guarantees the cutting accuracy of material.

Optionally, two groups of elastic shaft assemblies are arranged, the two groups of elastic shaft assemblies are respectively arranged on two sides of the vibrating knife holder, and each elastic shaft assembly comprises two connecting shafts, two springs and two rollers; the pressing wheel mechanism also comprises two rotating shaft assemblies, and the rotating shaft assemblies correspond to the elastic shaft assemblies one by one; the rotary shaft assembly comprises two connecting rods, the connecting rods are arranged at the lower ends of the connecting shafts in a rotating mode, the lower ends of the connecting rods are connected with pressure sensors, the lower ends of the pressure sensors are connected with universal wheels, the universal wheels are indirectly arranged on the connecting shafts, a tension spring is arranged between the two connecting rods of each rotary shaft assembly, and two ends of each tension spring are respectively connected with the two connecting rods.

Through adopting above-mentioned technical scheme, when the cutting material need compress tightly, actuating mechanism moves, and the vibration blade holder moves down, and universal wheel and cutting material surface contact move down along with the further of vibration blade holder, and two connecting rods in the revolving axle subassembly rotate along opposite directions, and the distance grow that compresses tightly between the universal wheel, and the extension spring is elongated, and after the extension spring stretched to the certain distance, the operation of stopping driving piece accomplished compressing tightly the cutting workpiece. When the distance between cutting material and the vibration blade holder changes in cutting process, when not changing the distance between vibration blade holder and the cutting material, can make the connecting rod rotatory under the taut effect of extension spring, and then make and produce displacement from top to bottom between universal wheel and the cutting material, can make the universal wheel remain to the cutting material all the time and compress tightly the state, and then guarantee cutting accuracy.

Optionally, the tension spring is arranged at the upper part of the two connecting rods of the rotating shaft assembly.

Through adopting above-mentioned technical scheme, when the great texture of cutting material thickness is softer, perhaps when cutting the material and be in on the less convex surface of bend radius, compress tightly cutting material, the cutting material height between two wheel components of homonymy this moment can obviously be higher than the material height that wheel components compressed tightly position department, and the extension spring setting can avoid touching of extension spring and cutting material on the upper portion of two connecting rods of revolving axle subassembly, prevents that the extension spring from damaging cutting material, reduces the rejection rate of cutting material.

Optionally, the rotating shaft assembly further comprises a plurality of limiting baffles, and the limiting baffles correspond to the connecting rods one to one; the limiting baffle is arranged on one side, opposite to each other, of the two connecting rods in the same group of rotating shaft assemblies and is connected with the lower end of the connecting shaft.

By adopting the technical scheme, when the roller assembly compresses the cut material, the connecting rod can rotate relative to the connecting shaft under the action of the tension spring along with the change of the distance between the cut workpiece and the vibrating knife seat; when the bevel is cut, the two connecting rods in the roller component easily rotate in opposite directions, and the pressing effect of a cutting material is influenced. Through setting up limit baffle, can restrict every connecting rod and rotate to the inboard, and then make two connecting rods in the wheel components rotate along the opposite side direction all the time, so can be so that the cutting material when compressing tightly, two universal wheels of homonymy keep away from each other, make the cutting material be in taut state all the time, cutting accuracy and cutting efficiency when ensureing the material cutting.

Optionally, the pinch roller mechanism further comprises an automatic locking assembly, the automatic locking assembly corresponds to the connecting shaft one by one, the automatic locking assembly comprises an air cylinder and a push plate, an air cylinder body is fixed on the connecting shaft, the push plate is connected with an air cylinder piston rod, when the piston rod extends out, the push plate is pressed against the side face of the connecting rod, and when the piston rod retracts, the push plate is disengaged from the side face of the connecting rod.

Through adopting above-mentioned technical scheme, when the cutting material once cuts when accomplishing under the compression state, move the cylinder earlier, make the piston rod stretch out, the piston rod drives the push pedal and compresses tightly two connecting rods, make two connecting rods can not rotate, then operation actuating mechanism, drive the vibration blade holder and shift up, make the universal wheel leave the cutting material surface, after the vibration blade holder risees a definite position, the shutdown actuating mechanism, then make the cylinder action, it contracts to drive the piston rod, make push pedal and connecting rod throw off, two connecting rods resume the rotation state, so relapse, finally accomplish the many times cutting of material. By the operation, the phenomenon of displacement or wrinkling of the materials among multiple layers of the materials when the universal wheel leaves the surface of the materials can be prevented, the positioning requirement of the materials in the next cutting process is met, and the cutting precision of the materials is ensured.

Drawings

FIG. 1 is a schematic structural diagram of a vibrating knife pinch roller device;

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

FIG. 3 is a side view of FIG. 1;

description of reference numerals: 100. a base body; 200. a drive mechanism; 300. vibrating the tool apron; 310. a circular hole; 400. a pinch roller mechanism; 410. an elastomeric shaft assembly; 411. a connecting shaft; 412. a spring; 413. a universal wheel; 420. a pressure sensor; 430. a rotating shaft assembly; 431. A connecting rod; 4311. a U-shaped groove; 4312. pin holes 432, pin shafts; 433. a tension spring; 434. a limiting baffle; 435. a bump; 440. an automatic locking assembly; 441. pushing the plate; 442. a cylinder; 443. mounting a bracket; 450. and (5) vibrating the knife.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-3.

The embodiment of the application discloses a vibration knife pinch roller device, referring to fig. 1, which comprises a base 100, a driving mechanism 200, a vibration knife holder 300 and a pinch roller mechanism 400. When a material needs to be cut by the vibrating knife 450, the base 100 is moved to a position above the material to be cut, the driving mechanism 200 is operated to drive the vibrating knife holder 300 to move downwards, the pressing wheel mechanism 400 compresses the cut material, and the vibrating knife 450 starts to cut the material.

Referring to fig. 1 and 2, a fixed portion of the driving mechanism 200 is bolted to the base 100, a moving portion of the driving mechanism 200 is bolted to the vibrating blade holder 300, and the driving mechanism 200 drives the vibrating blade holder 300 to move up and down; the vibrating knife holder 300 is symmetrically provided with a plurality of round holes 310 with the same size along the cutting direction, the pressing wheel mechanism 400 comprises two elastic shaft assemblies 410, the two elastic shaft assemblies 410 are symmetrically arranged on two sides of the vibrating knife holder 300 along the cutting direction, and each elastic shaft assembly 410 comprises two connecting shafts 411 and two springs 412; the connecting shafts 411 penetrate through the round holes 310 on the same side, the connecting shafts 411 correspond to the round holes 310 one to one, the connecting shafts 411 can move up and down in the round holes 310 in the vertical direction, springs 412 are sleeved outside each connecting shaft 411, one end of each spring 412 is abutted to the bottom surface of the vibration tool apron 300, and the other end of each spring is abutted to the lower end of the corresponding connecting shaft 411.

Referring to fig. 1 and 2, the pressing wheel mechanism 400 further includes a plurality of pivoting shaft assemblies 430, the pivoting shaft assemblies 430 correspond to the elastic shaft assemblies 410 one by one, the pivoting shaft assemblies 430 include two connecting rods 431, two pin shafts 432, a tension spring 433, and two limit baffles 434, and the two connecting rods 431, the two pin shafts 432, and the two limit baffles 434 correspond to the connecting shafts 411 one by one, respectively; the upper end of the connecting rod 431 is provided with a U-shaped groove 4311 and a pin hole 4312, the lower end of the connecting shaft 411 is arranged in the U-shaped groove 4311 in a penetrating manner, the lower end of the connecting shaft 411 is also provided with a pin hole 4312 with the same size as the pin hole 4312 in a corresponding position, the pin shaft 432 is arranged in the pin hole 4312 in a penetrating manner, so that the connecting rod 431 is rotatably connected with the connecting shaft 411, the connecting rods 431 in the same rotating shaft assembly 430 can mutually approach or mutually separate from each other to rotate, the limit baffle 434 is connected with the lower end of the connecting shaft 411 through bolts, and when the connecting rod 431 is located at a vertical position, the limit baffle 434 is abutted to the connecting rod 431; a projection 435 is welded on the upper part of one side of each connecting rod 431, which is far away from the other revolving shaft assembly 430, a tension spring 433 is arranged between the two connecting rods 431 of the same revolving shaft assembly 430, and two ends of the tension spring 433 are respectively hung on the projections 435 on the two connecting rods 431 of the same revolving shaft assembly 430;

referring to fig. 1, 2 and 3, the pressing wheel mechanism 400 further includes a plurality of rollers and a plurality of pressure sensors 420, the rollers and the connecting rods 431 are in one-to-one correspondence, and the rollers are universal wheels 413 in this embodiment; one end of the pressure sensor 420 is attached to the bottom surface of the connecting rod 431, the other end of the pressure sensor is attached to the mounting surface of the universal wheel 413, the pressure sensor 420 is connected between the connecting rod 431 and the universal wheel 413 through bolts, and the pressure sensor 420 is in electrical signal connection with the driving mechanism 200.

When the cutting material needs to be compressed, the driving mechanism 200 is operated, the driving mechanism 200 drives the vibrating knife holder 300 to move downwards to drive the connecting shaft 411 to move downwards, the connecting shaft 411 drives the connecting rod 431 to move downwards to drive the universal wheel 413 to move downwards, after the universal wheel 413 is contacted with the cutting material, the driving mechanism 200 continues to move downwards, the spring 412 penetrating through the connecting shaft 411 is compressed, the driving mechanism 200 further continues to move downwards, under the action of the limit baffle 434, the two connecting rods 431 in the rotating shaft assembly 430 start to rotate back and forth along the cutting direction, the tension spring 433 stretches, the universal wheel 413 is compressed on the cutting material, and when the pressure between the universal wheel 413 and the cutting material reaches the set value of the pressure sensor 420, the pressure sensor 420 controls the driving mechanism 200 to stop by an electric signal, and the compression of the cutting material is completed.

By the operation, when the material at the spatial position is cut, the surface of the cut material is not necessarily a plane, and a height difference exists, and the spring 412 is arranged on the connecting shaft 411, so that the material which is not at the same plane height can be in a compression state, the compression of the material at the spatial position is realized, and the cutting precision of the material is ensured; in the above scheme, the connecting rods 431 are connected to the lower ends of the connecting shafts 411 in a rotating manner, when the height difference of the cut materials is large, the connecting rods 431 can rotate in the connecting shafts 411, the two connecting rods 431 on the same side can only rotate oppositely through the arranged limit baffles 434, the tension springs 433 between the two connecting rods 431 are ensured to be in a stretching state, the compression distance between the universal wheels is changed, the distance between the universal wheels 413 and the cut materials in the height direction is changed, the purpose of further adjusting the surface compression force of the materials at different heights is achieved, the compression of the materials at different height differences is ensured, and the cutting precision of the materials is further ensured.

In the cutting process, when the height of the surface of the cut material changes, the pressure on the surface of the material changes, the pressure sensor 420 controls the driving mechanism 200 to move up and down according to a preset value and an electric signal, so that the pressing force on the surface of the material can be kept constant in the cutting process, the pressing effect of the cut material is further ensured, and the cutting precision of the material is improved.

Because the cutting direction of the vibrating knife 450 can be changed continuously in the material cutting process, the pressing force on the surface of the cut material can be changed along with the cutting direction due to the arrangement of the universal wheels 413, and the material can be cut in different directions conveniently on the premise of ensuring the pressing effect.

Referring to fig. 1, the clamping roller mechanism 400 further includes a plurality of sets of automatic locking assemblies 440, the automatic locking assemblies 440 corresponding to the rotating shafts one to one; each automatic locking assembly 440 includes a mounting bracket 443, a cylinder 442 and a push plate 441, the mounting bracket 443 is connected to the lower end of the connecting shaft 411 by a bolt, the cylinder 442 is connected to the mounting bracket 443 by a bolt, the cylinder 442 is located at one side of the connecting shaft 411 where the protruding block 435 is welded, the push plate 441 is screwed to the front end of the piston rod, the extension and retraction direction of the piston rod is perpendicular to the rotation direction of the connecting rod 431, and the length of the push plate 441 can cover the rotating connecting rod 431.

According to the scheme, after the cutting material is cut once, the air cylinder 442 is firstly actuated, the piston rod extends out to drive the push plate 441 to extend out to press the rotary connecting rod 431, so that the connecting rod 431 cannot rotate relative to the connecting shaft 411, then the driving mechanism 200 is operated to enable the vibrating knife holder 300 to move upwards to reach a specified position, the universal wheel 413 is far away from the surface of the cutting material, then the air cylinder 442 is operated to enable the piston rod to retract, the push plate 441 is driven to return, the push plate 441 is separated from the connecting rod 431, and the connecting rod 431 returns to a rotating state. So operate, can guarantee that the cutting is accomplished at every turn after, when universal wheel 413 left the material surface, the position that compresses tightly between the universal wheel 413 can not change, prevents to appear shifting or material wrinkling between the multilayer material, and the location requirement when guaranteeing the material cutting next time, and then improves the cutting accuracy of material.

The implementation principle of the vibration knife pinch roller device in the embodiment of the application is as follows:

when a cutting material is compressed, the base body 100 is moved to the position above the cutting material, the driving mechanism 200 is operated, the driving mechanism 200 drives the vibration tool apron 300 to move downwards, the universal wheel 413 starts to contact the surface of the material, the vibration tool apron 300 continues to move downwards, the spring 412 starts to compress, the connecting rod 431 starts to rotate, the tension spring 433 starts to stretch, the compression distance of the universal wheel 413 on the same side is increased, the vibration tool apron 300 continues to move downwards, the pressure sensor 420 reaches a set value, the driving mechanism 200 is controlled by an electric signal of the pressure sensor 420, the driving mechanism 200 stops operating, and the universal wheel 413 compresses the cutting material; when the vibrating knife finishes one cutting action, the air cylinder 442 acts, the piston rod extends out, the push plate 441 compresses the two connecting rods 431 on the same side, and then the driving mechanism 200 operates to drive the universal wheel 413 to be separated from the surface of a cut material; finally, the cylinder 442 acts again, the piston rod retracts, the push plate 441 is driven to be separated from the connecting rod 431, and the reciprocating operation is carried out, so that the material is pressed for multiple times.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides a vibration sword pinch roller device, includes pedestal (100), actuating mechanism (200), vibration blade holder (300), its characterized in that: a pinch roller mechanism (400); the driving mechanism (200) is arranged on the base body (100), and the output end of the driving mechanism (200) is connected with the vibrating knife seat (300); the pressing wheel mechanism (400) comprises a plurality of elastic shaft assemblies (410), and each elastic shaft assembly (410) comprises a connecting shaft (411), a spring (412) and a roller; connecting axle (411) sliding connection is on vibration blade holder (300), and the gyro wheel setting is equipped with spring (412) at the lower extreme of connecting axle (411), and every connecting axle (411) outside all overlaps, and the one end and the vibration blade holder (300) butt of spring (412), the other end and gyro wheel butt.

2. The vibrating knife pinch roller device of claim 1, wherein: the gyro wheel is universal wheel (413), and universal wheel (413) are connected in the lower extreme of connecting axle (411).

3. The vibrating knife pinch roller device of claim 1, wherein: the pressing wheel mechanism (400) further comprises a plurality of pressure sensors (420), the pressure sensors (420) are arranged between the universal wheels (413) and the connecting shaft (411), the pressure sensors (420) correspond to the universal wheels (413) one to one, and the pressure sensors (420) are in electric signal connection with the driving mechanism (200).

4. A vibrating knife pinch roller assembly as claimed in any one of claims 1 to 3, wherein: the two groups of elastic shaft assemblies (410) are arranged, the two groups of elastic shaft assemblies (410) are respectively arranged on two sides of the vibrating knife holder (300), and each elastic shaft assembly (410) comprises two connecting shafts (411), two springs (412) and two rollers; the pressing wheel mechanism (400) also comprises two rotating shaft assemblies (430), and the rotating shaft assemblies (430) correspond to the elastic shaft assemblies (410) one by one; the rotating shaft assembly (430) comprises two connecting rods (431), the connecting rods (431) are rotatably arranged at the lower end of the connecting shaft (411), the lower end of each connecting rod (431) is connected with a pressure sensor (420), the lower end of each pressure sensor (420) is connected with a universal wheel (413), the universal wheels (413) are indirectly arranged on the connecting shaft (411), a tension spring (433) is arranged between the two connecting rods (431) of each rotating shaft assembly (430), and two ends of each tension spring (433) are respectively connected with the two connecting rods (431).

5. The vibrating knife pinch roller device of claim 4, wherein: the tension springs (433) are arranged at the upper parts of the two connecting rods (431) of the rotating shaft assembly (430).

6. The vibrating knife pinch roller device of claim 4, wherein: the rotating shaft assembly (430) further comprises a plurality of limiting baffles (434), and the limiting baffles (434) correspond to the connecting rods (431) one by one; the limit baffles (434) are arranged at the opposite sides of the two connecting rods (431) in the same group of rotating shaft assemblies (430), and the limit baffles (434) are connected with the lower ends of the connecting shafts (411).

7. The vibrating knife pinch roller device of claim 4, wherein: the pinch roller mechanism (400) further comprises an automatic locking assembly (440), the automatic locking assembly (440) corresponds to the connecting shaft (411) one by one, the automatic locking assembly (440) comprises an air cylinder (442) and a push plate (441), a cylinder body of the air cylinder (442) is fixed on the connecting shaft (411), the push plate (441) is connected with a piston rod of the air cylinder (442), when the piston rod extends out, the push plate (441) is pressed against the side face of the connecting rod (431), and when the piston rod retracts, the push plate (441) is separated from the side face of the connecting rod (431).

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