CN102242496A - Ultrasonic tape cutting machine - Google Patents

Abstract

The invention discloses an ultrasonic tape cutting machine, comprising a frame, a drive motor, a transmission mechanism, a cutter device, an ultrasonic device and a feeding device, the drive motor and the transmission mechanism are installed at the lower part of the frame, the cutter device and The ultrasonic device constitutes a tape cutting platform and is installed on the upper part of the frame, the feeding device is arranged between the cutter device and the ultrasonic device, and the drive motor drives the cutter device and the feeding device to work through the transmission mechanism. In the present invention, since the cutter device and the ultrasonic device are arranged to form a belt cutting platform, when the ultrasonic generator is working, the ultrasonic energy is transmitted to the welding head through the ultrasonic transducer and produces violent vibration and friction with the knife die, and instantly generates high temperature to achieve shearing. The cutting effect makes the cutting products more beautiful, stronger, and more efficient and quicker in production efficiency. The self-innovated angle converter is used to solve the problem of changing angles, save the cost of making props, and realize fully automatic multi-angle cutting. With function.

Description

An ultrasonic cutting machine

technical field

The invention relates to a cutting machine, in particular to an ultrasonic tape cutting machine for cutting Velcro, nylon webbing, colored ribbon, elastic band, zipper and other materials in clothing, shoemaking and bag factories.

Background technique

The cutting process is widely used in cloth, leather, bags and other industries. Modern people have higher and higher requirements for cutting technology, requiring high precision and high efficiency to cut materials of different lengths. Traditional cutting materials are all through It is inconvenient to operate and the work efficiency is relatively low to complete the cutting task by hand and some simple facility operations.

In order to understand the above problems, the application number is Utility Model Patent No. 201020253589.3 discloses a tape cutting machine, the tape cutting machine can be used for multiple purposes, but the tape cutting machine is not equipped with an ultrasonic device, the cutting effect is poor, and the cut product is not beautiful enough It is firm, and the production efficiency is low. In the cutting process, it is necessary to make various knives, such as: wave-shaped, saw-shaped, trapezoidal, etc., and it is difficult to complete cutting with knives.

Contents of the invention

The technical problem to be solved by the present invention is to provide an ultrasonic tape cutting machine that combines ultrasonic functions, has high production efficiency, and is beautiful and firm for cutting and shoveling.

In order to solve the above technical problems, the technical solution adopted by the present invention to solve the technical problems is: provide an ultrasonic tape cutting machine, including a frame, a driving motor, a transmission mechanism, a cutter device, an ultrasonic device and a feeding device, the drive The motor and the transmission mechanism are installed at the lower part of the frame, the cutter device and the ultrasonic device constitute a tape cutting platform and are installed at the upper part of the frame, the feeding device is arranged between the cutter device and the ultrasonic device, and the driving motor passes through the transmission The mechanism drives the cutter device and the feeding device to work;

The cutter device includes an upper cutter, an upper cutter holder, an upper cutter guide rail, an upper cutter holder connecting rod and an upper cutter eccentric wheel, the upper cutter is fixed on the upper cutter holder, and the upper cutter is fixed on the upper cutter holder. The two ends of the cutter holder are arranged in the two upper cutter guide rails and slide along the two upper cutter guide rails. The number of the upper cutter holder connecting rod and the upper cutter eccentric wheel are both two. The connecting rod of the knife holder is arranged on the upper cutter eccentric wheel, and the two upper cutter eccentric wheels are arranged on the same rotating shaft. The transmission mechanism drives the upper cutter eccentric wheel to rotate through the rotating shaft, and the upper cutter eccentric wheel The connecting rod of the cutter holder drives the upper cutter holder to slide up and down in the guide rail of the upper cutter;

The ultrasonic device includes an ultrasonic generator and an ultrasonic transducer, the ultrasonic generator transmits electric waves to the ultrasonic transducer, the ultrasonic transducer is fixed on the frame, the ultrasonic transducer is a lower cutter, and the lower cutter and the upper Corresponding to the cutter position;

The feeding device includes a feeding eccentric wheel, a feeding connecting rod, a semicircular gear, a feeding one-way gear, a synchronous wheel, a feeding driving wheel and a feeding driven wheel arranged parallel to each other, and the feeding eccentric wheel drives the semicircle through the feeding connecting rod. Shaped gear swings back and forth, the semi-circular gear meshes with the one-way gear, the one-way gear is provided with a one-way gear shaft, the synchronous wheel is at least two or more synchronous wheels, and multiple synchronous wheels are connected to each other through the synchronous belt. Connected, and a synchronous wheel is fixed on the one-way gear shaft, and a synchronous wheel is coaxial with the feeding drive shaft.

Wherein, the upper cutter is also provided with an upper cutter angle converter. The upper cutter angle converter is divided into an upper part and a lower part. The upper and lower parts of the device are provided with reset tension springs, and the upper cutter angle converter is provided with shifting cylindrical pins and oblique projections, and the moving cylindrical pins are four symmetrically fixed cylindrical pins at the lower part. The oblique projection is fixed on the upper cutter holder in parallel, and when the upper cutter holder rises, the movable cylindrical pin is obliquely pressed, and the upper cutter is driven to rotate by the moving cylindrical pin.

Wherein, the feeding eccentric wheel is provided with a connecting long slot, and the connecting long slot is a long strip-shaped through hole, and one end of the feeding connecting rod is movably connected with the connecting long slot, and the feeding length can be changed by moving the connecting position.

Wherein, the transmission mechanism includes a first transmission wheel, a second transmission wheel, a first speed change pulley, a second speed change pulley, a pinion, a bull gear, a feeding gear and a cutter gear, and the first transmission wheel is arranged on the drive motor On the shaft, the second transmission wheel is coaxial with the first speed change pulley, the second speed change pulley is coaxial with the pinion gear, the pinion gear and the large gear are meshing transmission or chain transmission, the large gear is coaxial with the feeding gear, and the chain transmission of the feeding gear is cut. Knife gear, the cutter gear is coaxial with the upper cutter eccentric wheel;

The drive motor drives the first transmission pulley, the first transmission pulley drives the second transmission pulley, the second transmission pulley drives the first speed change pulley, the first speed change pulley drives the second speed change pulley, the second speed change pulley drives the pinion, and the pinion Drive the large gear, the large gear drives the feeding gear, the feeding gear coaxially drives the feeding eccentric wheel, the feeding eccentric wheel drives the feeding device to work, the feeding gear drives the cutter gear, the cutter gear coaxially drives the upper cutter eccentric wheel, and the upper cutter is eccentric The wheel drives the cutter device to work.

Wherein, the feeding device is driven by a stepping motor or a pulse motor, and the stepping motor or pulse motor is controlled by a computer.

Wherein, the ultrasonic transducer is also provided with an air pressure device, the air pressure device is fixed on the frame, and the telescopic rod of the air pressure device is connected with the upper cutter frame and drives the upper cutter frame to move up and down.

Wherein, the feeding driven wheel is vertically arranged on the feeding driving wheel, and the feeding driving wheel and the feeding driven wheel are in close contact.

Among them, the brake device is also included, and the brake device includes an automatic counter and a material sensor.

The beneficial effects of the present invention are that the present invention forms a strip cutting platform due to the arrangement of a cutter device and an ultrasonic device, and combines ultrasonic welding technology with traditional shearing. When the ultrasonic generator is working, the ultrasonic energy is transmitted to the The welding head and the knife mold produce severe vibration and friction, so as to achieve the effect of shearing, so that the sheared product has the advantages of more beautiful, firmer, more efficient and faster production efficiency, and the independent innovative angle converter is used to solve the problem of changing the angle , save the cost of making props, and realize the fully automatic multi-angle cutting function.

Description of drawings

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Fig. 1 is the overall structure schematic diagram of ultrasonic band cutting machine of the present invention;

Fig. 2 is a schematic diagram of the structure of the upper cutter angle converter in the embodiment of the ultrasonic belt cutting machine of the invention.

Among them, 1: drive motor; 21: upper cutter; 22: upper cutter holder; 23: upper cutter guide rail; 24: upper cutter holder connecting rod; 25: upper cutter eccentric wheel; 26: upper cutter Knife Angle Converter; 27: Shifting Cylindrical Pin; 28: Angle Protrusion; 29: Reset Tension Spring; 31: Ultrasonic Transducer; 41: Feeding Eccentric Wheel; 42: Feeding Link; 43: Semicircular Gear ;44: feeding one-way gear; 45: synchronous wheel; 46: feeding driving wheel; 47: feeding driven wheel; 51: first driving wheel; 52: second driving wheel; 53: first variable speed pulley; 54: second Variable speed pulley; 55: pinion gear; 56: large gear; 57: feeding gear; 58: cutter gear;

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to Fig. 1 and Fig. 2 together, the embodiment of ultrasonic tape cutting machine of the present invention comprises frame, driving motor 1, transmission mechanism, cutter device, ultrasonic device and feeding device, and described driving motor 1 and transmission mechanism are installed on In the lower part of the frame, the cutter device and the ultrasonic device form a tape cutting platform and are installed on the upper part of the frame, and the feeding device is set between the cutter device and the ultrasonic device, so that the cloth just enters the tape cutting platform after being conveyed by the feeding device , the driving motor 1 drives the cutter device and the feeding device to work through the transmission mechanism;

The cutter device described in this embodiment includes an upper cutter 21, an upper cutter holder 22, an upper cutter guide rail 23, an upper cutter holder connecting rod 24 and an upper cutter eccentric wheel 25, and the upper cutter 21 is fixed On the last cutter knife rest 22, the two ends of the upper cutter knife rest 22 are arranged in two upper cutter guide rails 23 and slide along the two upper cutter guide rails 23, and the cutter guide rails can be provided with more guide rails as required, The number of the upper cutter holder connecting rod 24 and the upper cutter eccentric wheel 25 is two, so that the upper cutter holder can move up and down synchronously, and the upper cutter holder connecting rod 24 is arranged on the upper cutter eccentric wheel. 25, two upper cutter eccentric wheels 25 are arranged on the same rotating shaft, and the transmission mechanism drives the upper cutter eccentric wheel 25 to rotate through the rotating shaft, and the upper cutter eccentric wheel 25 is driven by the upper cutter knife holder connecting rod 24 The upper cutter rest 22 slides up and down in the upper cutter guide rail 23 .

The ultrasonic device described in this embodiment comprises an ultrasonic generator and an ultrasonic transducer 31, and the ultrasonic generator transmits electric waves to the ultrasonic transducer 31, and the ultrasonic transducer 31 is fixed on the frame, and the ultrasonic transducer 31 is The lower cutter corresponds to the position of the upper cutter 21. When the upper cutter 21 descends and contacts the surface of the ultrasonic transducer 31 forcefully, the ultrasonic transducer 31 will instantly generate high temperature to cut off the material.

The feeding device described in this embodiment includes a feeding eccentric wheel 41, a feeding connecting rod 42, a semicircular gear 43, a feeding one-way gear 44, a synchronous wheel 45, a feeding driving wheel 46 and a feeding driven wheel 47 arranged in parallel to each other. The feeding eccentric wheel 41 drives the semicircular gear 43 to swing back and forth through the feeding connecting rod 42, and the semicircular gear 43 is positioned with the gear center fulcrum screw. Produce swinging function back and forth, described semicircular gear 43 is meshed with one-way gear, and described one-way gear is provided with one-way gear shaft, and described synchronous wheel 45 is at least two synchronous wheels 45 above, and a plurality of synchronous wheels 45 Connected by a synchronous belt, and a synchronous wheel 45 is fixed on the one-way gear shaft, a synchronous wheel 45 is coaxial with the feeding driving shaft, and the feeding driven wheel 47 is vertically arranged on the feeding driving wheel 46, and the feeding driving wheel 46 and Feeding driven wheel 47 is in close contact.

The transmission mechanism described in this embodiment includes a first transmission wheel 51, a second transmission wheel 52, a first speed change pulley 53, a second speed change pulley 54, a pinion 55, a bull gear 56, a feed gear 57 and a cutter gear 58, so The first transmission pulley 51 is arranged on the drive motor 1 shaft, the second transmission pulley 52 is coaxial with the first speed change pulley 53, the second speed change pulley 54 is coaxial with the pinion 55, and the pinion 55 and the bull gear 56 are meshing transmission. Or chain transmission, bull gear 56 is coaxial with feeding gear 57, and feeding gear 57 chain drives cutter gear 58, and cutter gear 58 is coaxial with upper cutter eccentric wheel 25;

The driving motor 1 described in this embodiment drives the first transmission pulley 51, the first transmission pulley 51 drives the second transmission pulley 52, the second transmission pulley 52 drives the first speed change pulley 53, and the first speed change pulley 53 drives the second speed change pulley 54 , the second variable speed pulley 54 drives the pinion 55, the pinion 55 drives the bull gear 56, the bull gear 56 drives the feed gear 57, the feed gear 57 coaxially drives the feed eccentric wheel 41, and the feed eccentric wheel 41 drives the feed device to work, the feed gear 57 Drive cutter gear 58, cutter gear 58 coaxially drives upper cutter eccentric wheel 25, and upper cutter eccentric wheel 25 drives cutter device work.

The feeding process of the ultrasonic tape cutting machine of the present invention is as follows: the transmission mechanism drives the feeding eccentric wheel 41 to rotate, the feeding eccentric wheel 41 drives the semicircular gear 43 to swing back and forth through the feeding connecting rod 42, and the semicircular gear 43 passes through the feeding one-way gear 44. Realize the feeding action of one feed and one stop.

The cutting process of the ultrasonic belt cutting machine of the present invention is: the transmission mechanism drives the upper cutter eccentric wheel 25 to rotate through the transmission shaft, the upper cutter eccentric wheel 25 drives the upper cutter holder 22 through the upper cutter connecting rod, and the upper cutter knife The frame 22 slides up and down on the upper cutter guide rail 23, and when the upper cutter 21 rises, the feeding device starts feeding, and when the upper cutter 21 descends to the lowest point, it cooperates with the ultrasonic transducer 31 to realize cutting.

The transmission process of the ultrasonic belt cutting machine of the present invention is: driven by the driving motor 1, the transmission wheel drives the variable speed pulley to rotate, the variable speed pulley drives the large gear 56 to rotate through the small gear 55, the large gear 56 coaxially drives the feeding gear 57 and passes the feeding The gear 57 chain drives the cutter gear 58, so that the feeding process and the cutting process are carried out simultaneously.

Through the above-mentioned structure, the present invention sets the cutter device and the ultrasonic device to form a cutting platform, utilizes ultrasonic welding technology to combine with traditional shearing, and when the ultrasonic generator is working, the ultrasonic energy is transmitted to the welding head through the ultrasonic transducer 31 and Vigorous vibration and friction with the knife die, so as to achieve the effect of shearing, so that the sheared product has the advantages of more beautiful, firmer, more efficient and faster production efficiency

In this embodiment, the upper cutter 21 is also provided with an upper cutter angle converter 26, the upper cutter angle converter 26 is divided into an upper part and a lower part, and the connection between the upper part and the lower part is a matching sawtooth structure, the upper and lower parts of the upper cutter angle converter 26 are provided with reset tension springs 29, and the upper cutter angle converter 26 is provided with a displacement cylindrical pin 27 and an oblique angle protrusion 28, and the moving cylindrical pin is Four cylindrical pins fixed symmetrically on the lower part, the oblique projections 28 are fixed on the upper cutter holder 22 in parallel, and when the upper cutter holder 22 rises, the movable cylindrical pins are obliquely pressed, and the upper cutter is driven by the moving cylindrical pins. Cutter 21 rotates.

Through the above structure, when the upper cutter 21 frame rises, the angle converter of the upper cutter 21 fixed on the upper cutter frame moves and shifts the two opposite sides of the cylindrical pin 27 to contact with the two oblique projections 28 fixed above. , relying on the effect of the upper cutter rest 22 to continue to rise, the four sawtooths on the upper and lower parts of the upper cutter angle converter 26 are separated, and pressed to the same side to rotate, when the upper cutter rest descends, it is reset by the force of the reset tension spring 29 The effect is to coincide with each of the four sawtooths on the upper and lower parts of the upper cutter angle converter 26, and coincide with the inclination position of the upper and lower angle converters, and automatically slide to the positioning position by the principle of inclination. Applying the self-innovated angle converter solves the problem of changing angles, saves the cost of making props, and realizes the fully automatic multi-angle tape cutting function.

In this embodiment, the feeding eccentric wheel 41 is provided with a connecting long slot, and the connecting long slot is a long strip-shaped through hole. One end of the feeding connecting rod 42 is movably connected with the connecting long slot, and the feeding length can be changed by moving the connecting position. .

In this embodiment, the feeding device is driven by a stepper motor or a pulse motor, and the stepper motor or pulse motor is controlled by a computer, and automatic feeding and automatic cutting are realized by controlling the rotation of the stepper motor or pulse motor by the computer , so as to realize the automation of the cutting machine.

In this embodiment, the ultrasonic transducer 31 is also provided with an air pressure device, the air pressure device is fixed on the frame, and the telescopic rod of the air pressure device is connected with the upper cutter holder 22 and drives the upper cutter holder 22 Move up and down.

In this embodiment, a brake device is also included. The brake device includes an automatic counter and a material sensor, which can set the number of tapes to be cut. When the set number is reached, the brake device can control the tape cutting machine to stop working. When the material senses When the device detects that the material is used up, the braking device will also control the tape cutting machine to stop working, so that fully automatic operation can be realized.

The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technologies fields, all of which are equally included in the scope of patent protection of the present invention.

Claims (8)

1. an ultrasonic wave cutting machine, it is characterized in that: comprise frame, drive motor, transmission mechanism, cutter device, ultrasonic device and feeding device, described drive motor and transmission mechanism are installed in frame bottom, and described cutter The device and the ultrasonic device form a cutting platform and are installed on the upper part of the frame, the feeding device is arranged between the cutter device and the ultrasonic device, and the driving motor drives the cutter device and the feeding device to work through the transmission mechanism; The cutter device includes an upper cutter, an upper cutter holder, an upper cutter guide rail, an upper cutter holder connecting rod and an upper cutter eccentric wheel, the upper cutter is fixed on the upper cutter holder, and the upper cutter is fixed on the upper cutter holder. The two ends of the cutter holder are arranged in the two upper cutter guide rails and slide along the two upper cutter guide rails. The number of the upper cutter holder connecting rod and the upper cutter eccentric wheel are both two. The connecting rod of the knife holder is arranged on the upper cutter eccentric wheel, and the two upper cutter eccentric wheels are arranged on the same rotating shaft. The transmission mechanism drives the upper cutter eccentric wheel to rotate through the rotating shaft, and the upper cutter eccentric wheel The connecting rod of the cutter holder drives the upper cutter holder to slide up and down in the guide rail of the upper cutter; The ultrasonic device includes an ultrasonic generator and an ultrasonic transducer, the ultrasonic generator transmits electric waves to the ultrasonic transducer, the ultrasonic transducer is fixed on the frame, the ultrasonic transducer is a lower cutter, and the lower cutter and the upper Corresponding to the cutter position; The feeding device includes a feeding eccentric wheel, a feeding connecting rod, a semicircular gear, a feeding one-way gear, a synchronous wheel, a feeding driving wheel and a feeding driven wheel arranged parallel to each other, and the feeding eccentric wheel drives the semicircle through the feeding connecting rod. Shaped gear swings back and forth, the semi-circular gear meshes with the one-way gear, the one-way gear is provided with a one-way gear shaft, the synchronous wheel is at least two or more synchronous wheels, and multiple synchronous wheels are connected to each other through the synchronous belt. Connected, and a synchronous wheel is fixed on the one-way gear shaft, and a synchronous wheel is coaxial with the feeding drive shaft. 2. The ultrasonic tape cutting machine according to claim 1, characterized in that: the upper cutter is also provided with an upper cutter angle converter, and the upper cutter angle converter is divided into an upper part and a lower part, and the upper part and the lower part The connection of the lower part is a matching sawtooth structure, and the upper and lower parts of the upper cutter angle converter are provided with reset tension springs. The moving cylindrical pins are four cylindrical pins symmetrically fixed on the lower part, and the oblique projections are fixed on the upper cutter holder in parallel, and when the upper cutter holder rises, the moving cylindrical pins are obliquely pressed, and driven by the moving cylindrical pins. The upper cutter turns. 3. The ultrasonic tape cutting machine according to claim 1, characterized in that: the feeding eccentric wheel is provided with a connecting long groove, the connecting long groove is a long strip-shaped through hole, and one end of the feeding connecting rod is connected to the connecting long groove. Active connection, change the feeding length by moving the connection position. 4. The ultrasonic belt cutting machine according to claim 1, characterized in that: the transmission mechanism includes a first transmission wheel, a second transmission wheel, a first speed change pulley, a second speed change pulley, a pinion, a bull gear, a feeding Gears and cutter gears, the first transmission wheel is arranged on the drive motor shaft, the second transmission wheel is coaxial with the first speed change pulley, the second speed change pulley is coaxial with the pinion, and the pinion and the large gear are meshing transmission or Chain transmission, the large gear is coaxial with the feeding gear, the feeding gear chain drives the cutter gear, and the cutter gear is coaxial with the upper cutter eccentric wheel; The drive motor drives the first transmission pulley, the first transmission pulley drives the second transmission pulley, the second transmission pulley drives the first speed change pulley, the first speed change pulley drives the second speed change pulley, the second speed change pulley drives the pinion, and the pinion Drive the large gear, the large gear drives the feeding gear, the feeding gear coaxially drives the feeding eccentric wheel, the feeding eccentric wheel drives the feeding device to work, the feeding gear drives the cutter gear, the cutter gear coaxially drives the upper cutter eccentric wheel, and the upper cutter is eccentric The wheel drives the cutter device to work. 5. The ultrasonic tape cutting machine according to claim 4, characterized in that: the feeding device is driven by a stepping motor or a pulse motor, and the stepping motor or pulse motor is controlled by a computer. 6. The ultrasonic tape cutting machine according to claim 1, characterized in that: the ultrasonic transducer is also provided with an air pressure device, the air pressure device is fixed on the frame, the telescopic rod of the air pressure device and the upper cutter knife The frame is connected and drives the upper cutter frame to move up and down. 7. The ultrasonic tape cutting machine according to claim 1, characterized in that: the feeding driven wheel is vertically arranged on the feeding driving wheel, and the feeding driving wheel and the feeding driven wheel are in close contact. 8. The ultrasonic tape cutting machine according to claim 1, further comprising a brake device, the brake device includes an automatic counter and a material sensor.

Images