Summary of the invention
The technical problem to be solved in the present invention is for the poor defective of the cutting effect that overcomes oscillatory type cutter in prior art, and a kind of ultrasonic cutter head is provided.
the present invention solves above-mentioned technical problem by following technical proposals: a kind of ultrasonic cutter head, its characteristics are, it comprises the assembly of establishing a container cavity in one, one ultrasonic knife, one moves up and down the positioner that device and is used for fixing material to be cut, the described device that moves up and down is slidedly arranged in described container cavity, described ultrasonic knife is sheathed on described moving up and down in device, and the cutter head of described ultrasonic knife passes and is positioned at the described outside that moves up and down device, the upper and lower side of described ultrasonic knife is individually fixed in the described upper and lower side that moves up and down device, the described lower end that moves up and down device is outside affixed with described positioner, the outside of described assembly also is provided with at least one union elbow.
Preferably, described move up and down device comprise the upper slitter cylinder that is sheathed on described ultrasonic knife outside and once cutter cylinder, the reciprocal cover, the rotary support and that are sheathed on described upper slitter cylinder outside be fixed in the rotary sleeve on described rotary support, wherein,
Described upper slitter cylinder and described lower cutter cylinder are separately fixed at the upper and lower side of described ultrasonic knife, the upper end of described reciprocal cover is fixed on described upper slitter cylinder, and be slidedly arranged in described container cavity, described rotary support is slidably connected by a positioning sleeve and described assembly, it is outside that described rotary sleeve is sheathed on described lower cutter cylinder, and the lower end of described rotary sleeve is outside affixed with described positioner.
Preferably, be connected by a bearing between described reciprocal cover and described upper slitter cylinder, be provided with at least one sealing ring between described reciprocal cover and described container cavity.
Preferably, described positioner comprises a pressure head supporting base and a pressure head, described pressure head supporting base is fixed in the outside of described rotary sleeve, described pressure head is slidably connected by a guider and described pressure head supporting base, be fixed with at least one elastomeric element between described pressure head and described lower cutter cylinder, offer an opening over against the cutter head of described ultrasonic knife on the lower surface of described pressure head.
Preferably, described guider is a guide finger, and described elastomeric element is a spring.
Preferably, described cut-off knife head comprises that also one adjusts circle, and described adjustment circle is connected with described reciprocal external threading.
Preferably, described cut-off knife head also comprises a servomotor and one first synchronizing wheel, be fixed with one second synchronizing wheel on described rotary sleeve, described the first synchronizing wheel is connected with described the second synchronizing wheel by Timing Belt, and described the first synchronizing wheel is connected with described servomotor.
Preferably, be connected with some extension springs between described the second synchronizing wheel and described pressure head supporting base.
Preferably, described cut-off knife head also comprises a guard shield, and described guard shield covers at the outside of described the first synchronizing wheel, described the second synchronizing wheel and described rotary sleeve, and described guard shield is fixedly connected with described assembly.
Preferably, the described device that moves up and down comprises that also one back and forth overlaps positioner, and described reciprocal cover positioner is arranged in described container cavity, and is fixedly connected with described reciprocal cover.
Preferably, described reciprocal cover positioner comprises that one back and forth overlaps locating piece, pin and a spring, described reciprocal cover locating piece is arranged on described pin, one end of described pin is fixed in described container cavity, the other end of described pin supports by described spring and is located in described container cavity, and a side of described reciprocal cover locating piece is connected with described reciprocal cover screw.
Preferably, described rotary sleeve is provided with a sensor.
In the present invention, but above-mentioned optimum condition any combination on the basis that meets this area general knowledge namely gets each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: ultrasonic cutter head of the present invention adopts hyperacoustic energy, will be cut the local heat fusing of material, thereby reaches the purpose of cutting material.Ultrasonic wave cutting does not need sharp cutting edge, does not need very large pressure yet, and that can not cause cut material collapses limit, breakage, and cutting part can be prevented the loose of cut material structure by edge sealing ideally.Simultaneously, when doing ultrasonic vibration, frictional resistance is especially little due to cutter, and cut material is difficult for being bonded on blade.
The specific embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
As Figure 1-3, ultrasonic cutter head of the present invention comprises that an assembly 1, a ultrasonic knife 5, move up and down the positioner that device and is used for fixing material to be cut.Wherein, be provided with a container cavity 12 in assembly 1, the described device that moves up and down is slidedly arranged in container cavity 12, and ultrasonic knife 5 is sheathed on described moving up and down in device, and the cutter head 51 of ultrasonic knife 5 passes and is positioned at the described outside that moves up and down device.The upper and lower side of ultrasonic knife 5 is individually fixed in the described upper and lower side that moves up and down device, and the described lower end that moves up and down device is outside affixed with described positioner.In addition, also be provided with at least one union elbow 11 in the outside of assembly 1.
Further, as shown in Figures 2 and 3, described move up and down device comprise the upper slitter cylinder 2 that is sheathed on ultrasonic knife 5 outsides and once cutter cylinder 8, the reciprocal cover 13, the rotary support 14 and that are sheathed on upper slitter cylinder 2 outsides be fixed in the rotary sleeve 6 on rotary support 14.Specifically, upper slitter cylinder 2 and lower cutter cylinder 8 are separately fixed at the upper and lower side of ultrasonic knife 5, back and forth overlap 13 upper end and are fixed on upper slitter cylinder 2, and be slidedly arranged in container cavity 12.Rotary support 14 is slidably connected with assembly 1 by a positioning sleeve 141, and rotary sleeve 6 is set in the outside of lower cutter cylinder 8, and the lower end of rotary sleeve 6 is outside affixed with described positioner.Especially, back and forth overlap herein 13 with upper slitter cylinder 2 between be connected by a bearing 131, back and forth overlap 13 and container cavity 12 between be provided with at least one sealing ring 132.Preferably, a sensor 61 is set on rotary sleeve 6, with this cut direction of responding to ultrasonic knife 5, is convenient to regulate the location.
Further, as shown in Figures 2 and 3, described positioner comprises a pressure head supporting base 7 and a pressure head 4, and pressure head supporting base 7 is fixed in the outside of rotary sleeve 6, and 4 of pressure heads are slidably connected by a guider and pressure head supporting base 7.Be fixed with at least one elastomeric element between pressure head 4 and lower cutter cylinder 8, for example a spring 41.Preferably, described guider is a guide finger 71.In addition, offer an opening 42 on the lower surface of pressure head 4, make opening 42 over against the cutter head 51 of ultrasonic knife 5.Herein, alternatively, the lower surface of pressure head can be set to card and establish a pressure head plate, shown in opening 42 is opened on the pressure head plate.
According to said structure, described cut-off knife head promotes back and forth cover 13 by union elbow 11 air inlets, drives upper slitter cylinder 2 and ultrasonic knife 5 and moves downward, otherwise move upward.Promoting pressure head supporting base 7 by lower cutter cylinder 8 when ultrasonic knife 5 descends fixes pressure head 4 with cutting material.
Preferably, described cut-off knife head comprises that also one adjusts circle 3, adjusts circle 3 and is threaded with reciprocal cover 13.Enclose 3 when need adjusting the depth of cut of ultrasonic knife 5 by adjustment, be in the consideration of the problem such as installation, the depth of cut that need to regulate flexibly cutter head 51 can be cut smoothly with the material that guarantees to be cut.In the present invention mainly by adjustments adjust enclose 3 on get off to change the depth of cut of cutter head 51, thereby effectively control the degree of depth of cutter head 51.
In addition, described cut-off knife head also comprises a servomotor 10 and one first synchronizing wheel 9, is fixed with one second synchronizing wheel 15, the first synchronizing wheels 9 and is connected with the second synchronizing wheel 15 by Timing Belt on rotary sleeve 6, and the first synchronizing wheel 9 is connected with servomotor 10.Like this, drive the first synchronizing wheel 9 by servomotor 10, then carry out angle orientation by cutter cylinder 8 under rotary sleeve 6 interlocks and ultrasonic knife 5.Thus, ultrasonic knife 5 can be carried out degree of depth adjustment easily for alignment error.Especially, be connected with some extension springs 16 between the second synchronizing wheel 15 and pressure head supporting base 7., by the rising of ultrasonic knife 5, by extension spring 16, pressure head supporting base 7 is retracted, thereby band dynamic head 4 moves upward not during cutting hides when described ultrasonic cutter, guarantee the enough distances of maintenance between pressure head 4 and material to be cut.Also be covered with a guard shield 91 in the outside of the first synchronizing wheel 9, the second synchronizing wheel 15 and rotary sleeve 6, guard shield 91 is fixedly connected with assembly 1, thereby plays protective action effectively.
More preferably, as shown in Figure 3, the described device that moves up and down comprises that also one back and forth overlaps positioner, and described reciprocal cover positioner is arranged in container cavity 12, and is fixedly connected with reciprocal cover 13.Specifically, described reciprocal cover positioner comprises that one back and forth overlaps locating piece 133, pin 134 and one spring 135, back and forth cover locating piece 133 is arranged on pin 134, one end of pin 134 is fixed in container cavity 12, pin 134 the other end supports by spring 135 and is located in container cavity 12, and back and forth overlaps a side of locating piece 133 and back and forth overlap 13 screws and be connected.
According to said structure, when described ultrasonic cutter head uses, for example during cutting hides: at first, by external solenoid control source of the gas from union elbow 11 inner chamber 12 tops that enter assembly 1 suitable for reading, promote some sealing ring 132(as shown in Figure 3 sealing ring 132 be fixed on reciprocal cover 13), thereby promote that back and forth cover 13 is downward.Back and forth on cover 13, reciprocal locating piece 133 is installed, back and forth locating piece 133 guarantees that by pin 134 its direction can only move up and down, back and forth cover 13 is fixed on upper slitter cylinder 2 by a pin, upper slitter cylinder 2 is fixed in the top of ultrasonic knife 5, thereby promoting ultrasonic knife 5 moves downward, by being fixed on cutter head 51 cutting hides of ultrasonic knife 5 front ends, otherwise move upward, realize breaking away from cutting material.
For guaranteeing cut quality, must control the direction of cutter head, the direction of cutter head 51 is fixed on rotary sleeve 6 by servomotor 10 transmission the first synchronizing wheels 9 and the second synchronizing wheel 15, the second synchronizing wheels 15.Rotary sleeve 6 is fixed on rotary support 14 by bearing, little bearing has been installed on rotary sleeve 6 simultaneously, by the keyway transmitting torque on lower cutter cylinder 8, the bottom that drives ultrasonic knife 5 produces rotation, and judge direction by sensor 61, thereby the cut direction that guarantees cutter head 51 is alignd with blade all the time, guarantees cut quality.
In order further to improve cut quality, need to leather to be cut be pressed solidly by platen, when guaranteeing to cut, leather is relatively fixing, promotes pressure head supporting base 7 when mainly realizing descending by ultrasonic knife 5 and moves downward, and is with simultaneously the downward fixedly leather of dynamic head 4.Pressure head 4 is when press touching leather, and pressurized makes pressure head 4 can regulate the height of pressure head 4 according to the leather of different-thickness all the time spring 41 compressions, make can be well fixing leather.
In sum, ultrasonic cutter head of the present invention has following plurality of advantages: ultrasonic knife has depth adjustment, can carry out degree of depth adjustment easily for alignment error.Can pass through quick coupling structure, change easily cutter head.Structure is compacter, can increase effectively to cut out area.During the dress ultrasonic knife, each installation site is relatively consistent.This structure can be more convenient to be adapted to be the ultrasonic wave cutter hub of 42mm less than diameter.Head and easy to maintenance is installed, can easily integral body be pulled down maintenance.Circuit and tracheae are relatively simple.Cutting speed is 2 times of original vibrating blade.The life-span of cutter head extends 1 times than original vibrating blade.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art can make various changes or modifications to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.