CN215155945U - Cutter structure for packaging machine - Google Patents
Cutter structure for packaging machine Download PDFInfo
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- CN215155945U CN215155945U CN202121591265.5U CN202121591265U CN215155945U CN 215155945 U CN215155945 U CN 215155945U CN 202121591265 U CN202121591265 U CN 202121591265U CN 215155945 U CN215155945 U CN 215155945U
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Abstract
The utility model discloses a cutter structure for a packaging machine, which relates to the technical field of mechanical equipment of the packaging machine and comprises a cutter mounting seat, an automatic belt-releasing mechanism, a front cutter mechanism, a middle cutter mechanism and a rear cutter mechanism; the automatic belt-removing mechanism comprises a base and is used for driving a base rotating belt-removing assembly, the cutter mounting seat is located above the base, a strapping belt is formed between the cutter mounting seat and the base to penetrate out a cavity, the front cutter mechanism, the middle cutter mechanism and the rear cutter mechanism are movably mounted on the cutter mounting seat, a cutter edge of the cutter mounting seat faces the lower base, the strapping belt below penetrates out of the cavity, and the strapping belt is compressed by the head, cut off the connection part and is bonded with the tail part to be compressed. In the utility model, the automatic belt-releasing mechanism is arranged to automatically release the belt, so that the operation is convenient; in addition, a front knife mechanism, a middle knife mechanism and a rear knife mechanism are arranged to respectively carry out head pressing, joint cutting and bonding and tail pressing on the strapping tape so as to facilitate the packaging of the strapping tape.
Description
Technical Field
The utility model relates to a packagine machine mechanical equipment technical field, more specifically say and relate to a cutter structure for packagine machine.
Background
The packaging machine is a machine for packaging products, and plays a role in protection and beauty. The packaging machine mainly comprises two aspects, namely production line type integral production packaging and product peripheral packaging.
A strapping machine is a type of packaging machine, and mainly functions to connect, tighten, and cut a strapping tape (a strapping tape). The traditional manual strapping machine has simpler product design and low manufacturing cost, is not limited by a working place, but is not suitable for the mechanized assembly line packaging and strapping work of large and medium-sized enterprises at present.
Chinese patent application No. CN200820203869.6 discloses a pneumatic strapping machine, which comprises a tensioning motor, an air inlet, a tensioning power part, an adhesive power part, a contact part, a cutter seat, a tensioning valve arm and an adhesive valve arm; the air pipes correspondingly connected with the tensioning valve arm and the bonding valve arm are respectively connected with the cylinder bodies of the tensioning power part and the bonding power part; the tensioning power part and the bonding power part comprise a gas valve body, a cylinder, a blade and an eccentric rotor camshaft. The utility model discloses the application pneumatics principle reinforcing with the effective control dynamics of tightening up, the workman's that significantly reduces intensity of labour can improve work efficiency better, and the connector produces the high temperature through vibration, friction and firmly pastes the strapping together, both sparingly packs the knot material, elegant appearance again, reduces the damage probability to the human body to once accomplish the process of tying up.
The above patents suffer from the following drawbacks:
1. the power part for bonding is not fixed with the cutter, and the cutting and bonding are divided into two actions, namely front and back actions, so that the packaging process of the packaging machine takes longer time.
2. The bonding power part has a complex structure, and the equipment cost is high.
3. An automatic strapping-off mechanism is not arranged, after the strapping-off tape is packaged, the strapping-off tape needs to be manually removed, and the operation is troublesome.
4. The absence of a front knife for compressing the strap results in the strap falling out when the tension of the tensioning power section is too great.
5. When the strapping tape is adhered, a pressing device of the tail part is not arranged, the strapping tape at the tail part is not fixed, and the movement of the strapping tape can influence the adhesion of the strapping tape.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a cutter structure for a packaging machine, which is provided with an automatic belt-releasing mechanism to automatically release the belt, and is convenient to operate; in addition, a front knife mechanism, a middle knife mechanism and a rear knife mechanism are arranged to respectively carry out head pressing, joint cutting and bonding and tail pressing on the strapping tape so as to facilitate the packaging of the strapping tape.
In order to realize the above purpose, the utility model discloses a technical scheme:
a cutter structure for a packaging machine comprises a cutter mounting seat, an automatic belt-removing mechanism, a front cutter mechanism, a middle cutter mechanism and a rear cutter mechanism;
the automatic belt-removing mechanism comprises a base and is used for driving a base rotating belt-removing assembly, the cutter mounting seat is located above the base, a strapping belt is formed between the cutter mounting seat and the base to penetrate out a cavity, the front cutter mechanism, the middle cutter mechanism and the rear cutter mechanism are movably mounted on the cutter mounting seat, a cutter edge of the cutter mounting seat faces the lower base, the strapping belt below penetrates out of the cavity, and the strapping belt is compressed by the head, cut off the connection part and is bonded with the tail part to be compressed.
The belt removing assembly comprises a belt removing cylinder and a belt removing connecting rod, the top of the belt removing connecting rod is connected with an output shaft of the belt removing cylinder, the middle of the belt removing connecting rod is hinged with the cutter mounting seat, and the bottom of the belt removing connecting rod is connected with the base.
The belt-removing connecting rod comprises a cylinder connecting part, a horizontal part at the upper end, a vertical part at the lower end and a horizontal base mounting part at the bottom end, wherein the cylinder connecting part is connected in sequence from front to back, and the top end of the cylinder connecting part is inclined towards the back upper side;
the top end of the cylinder connecting part is provided with a belt-removing cylinder connecting hole, the connecting part of the horizontal part and the vertical part is in an arc shape with an acute angle, the connecting part is provided with a hinge hole, the horizontal base mounting part extends to the front end of the vertical part, and the horizontal base mounting part is provided with a base mounting hole;
the strip-removing assembly further comprises a limiting plate used for limiting the strip-removing connecting rod, the limiting plate is installed on the cutter mounting seat and located at the outer end of the strip-removing connecting rod, and a limiting groove matched with the arc-shaped connecting part at the acute angle is formed in the limiting plate.
The front cutter mechanism comprises a front cutter cylinder, a front cutter press belt connecting rod and a front cutter, wherein the output end of the front cutter cylinder is connected with the front cutter press belt connecting rod, and the front cutter press belt connecting rod is connected with the front cutter;
the front cutter press belt connecting rod comprises a front cutter horizontal part at the rear end and a front cutter press rod part with the front end inclined forwards and downwards, a front cutter cylinder connecting hole connected with the front cutter cylinder is formed in the rear end of the front cutter horizontal part, a front cutter connecting hole connected with the front cutter is formed in the middle of the front cutter press rod part, and a front cutter mounting hole connected with the cutter mounting seat is formed in the bottom end of the front cutter press rod part;
the top end of the front knife is provided with a front knife mounting hole which is in an annular runway shape and is connected with the front knife connecting hole, the bottom of the front knife is provided with a strapping tape through hole, and the bottom end surface of the front knife is provided with a front knife upper pressing head.
The rear knife mechanism comprises a rear knife cylinder, a rear knife press belt connecting rod and a rear knife, the output end of the rear knife cylinder is connected with the rear knife press belt connecting rod, the rear knife press belt connecting rod is connected with the rear knife, and a rear knife upper press belt head is arranged on the bottom end face of the rear knife.
Further, the middle cutter mechanism comprises a middle cutter cylinder, a motor, an eccentric cam, a cutter frame, a vibrating rod, a cutter and an upper grinding head;
the output end of the middle cutter cylinder is in transmission connection with the cutter frame, the output end of the motor is in transmission connection with the eccentric cam, the cutter and the upper grinding head are both arranged at the bottom end of the cutter frame, the vibrating rod is arranged inside the cutter frame, the bottom end of the vibrating rod is connected with the upper grinding head, and the top end of the vibrating rod is in transmission connection with the eccentric cam and driven by the eccentric cam to vibrate at a high speed in the cutter frame.
Further, a vibrating rod mounting cavity is formed in the tool rest and communicated to the bottom of the tool rest, a rotating shaft cam mounting hole is formed in the upper portion of the tool rest and communicated with the vibrating rod mounting cavity;
the top of the vibrating rod is provided with a vibrating hole, the vibrating hole is positioned in the rotating shaft cam mounting hole, and the eccentric cam is positioned in the vibrating hole; the middle part of the vibrating rod is provided with a rotating shaft hole, and the rotating shaft penetrates through the rotating shaft hole and is connected with the tool rest.
Further, the cutter is detachably mounted on the side wall of the bottom end of the cutter rest through a cutter mounting pin, and the cutter edge of the cutter faces downwards;
the upper grinding head comprises a friction plate at the bottom and friction plate mounting plates extending upwards from the left end and the right end of the friction plate, a plurality of bulges are arranged on the bottom surface of the friction plate, and a pin shaft penetrates through the two friction plate mounting plates to be connected with the vibrating rod so as to fix the upper grinding head on the vibrating rod;
the left end and the right end of the eccentric cam are provided with bearings, the knife rest is of a cuboid structure, and the top end of the knife rest is provided with a convex groove.
Furthermore, the front end surface of the cutter mounting seat is provided with a front cutter groove, a middle cutter groove and a rear cutter groove which are arranged along the vertical direction and penetrate through the cutter mounting seat up and down, and the front cutter groove is communicated with the middle cutter groove;
the front knife, the middle knife and the rear knife of the front knife mechanism, the middle knife mechanism and the rear knife mechanism are respectively positioned in the front knife groove, the middle knife groove and the rear knife groove, the front end of the knife mounting seat is provided with a knife adjusting plate used for adjusting the positions of the front knife, the middle knife and the rear knife, adjusting strips are arranged between the knife adjusting plate and the front knife, between the knife adjusting plate and the rear knife, and adjusting bolts penetrate through the knife adjusting plate and abut against the adjusting strips.
Further, a front knife downward pressing belt head, a middle knife downward grinding head and a rear knife downward pressing belt head which are respectively matched with the head tool bits of the front knife, the middle knife and the rear knife are arranged on the base.
The utility model has the advantages that:
1. the utility model discloses in, automatic tape stripping mechanism presses the area to cut off the bonding back that finishes at the strapping, thereby utilizes and takes off the area subassembly and drive the base and overturn and drop the strapping from the base, and the strapping is automatic takes off, easy operation saves time.
2. In the utility model, a front knife mechanism, a middle knife mechanism and a rear knife mechanism are movably arranged on the knife tool mounting seat, the front knife mechanism is used for pressing the head of the strapping tape, and the head of the strapping tape is prevented from falling off when the strapping tape is tensioned to influence the tensioning of the strapping tape; the middle knife mechanism is used for cutting and bonding the strapping tape at one time, so that the time for packaging is reduced; the rear knife mechanism is used for pressing the tail of the strapping tape, and the phenomenon that the strapping tape returns to influence the bonding work of the middle knife mechanism after the strapping tape is cut off by the middle knife mechanism is prevented.
3. In the utility model, the operation of the belt-removing cylinder of the automatic belt-removing mechanism drives the belt-removing connecting rod to move, so that the belt-removing connecting rod rotates by taking the hinge hole as the center, and further the base at the front end of the belt-removing connecting rod rotates by taking the hinge hole as the center, so that the base is inclined, the strapping tape automatically falls off from the inclined base under the action of self pretightening force, the automatic belt-removing is carried out, and the time is saved compared with the manual belt-removing; in addition, a limiting plate used for limiting the stripping connecting rod is arranged, and the damage to the packaging machine caused by the excessive rotation of the stripping connecting rod is prevented.
4. The utility model discloses in, the preceding sword cylinder work of preceding sword mechanism drives preceding sword and presses the connecting rod and rotate as the center with preceding sword cutter mounting hole, makes the preceding sword that preceding sword connecting hole department connects, and the sword inslot downstream in the front presses the strapping head between the head and the preceding sword to the sword top band head compresses tightly, prevents that the strapping from removing.
5. The utility model discloses in, the back sword cylinder work of back sword mechanism drives the back sword and presses the area connecting rod and rotate, makes the back sword that the connecting rod is connected in back sword area, moves down in the sword inslot of back, presses the strapping of taking the head and back sword down between the head to the back sword and carries out the area work of pressing, convenient operation.
6. The utility model discloses in, install cutter and last bistrique on the knife rest of well sword mechanism, the cutter cuts off work under the drive of well sword cylinder, goes up the bistrique and bonds work of bonding under the drive of motor, cuts off and bonds and goes on simultaneously, once accomplishes, has reduced the time that the packaging process was spent.
7. The utility model discloses in, the motor of well sword mechanism drives eccentric cam and rotates, eccentric cam rotates in the vibrating hole of vibrating arm, and then drive the vibrating arm and use the axis of rotation as the high-speed reciprocating motion of center, sway high-speed reciprocating motion, sway the last bistrique of transmission to vibrating arm bottom, thereby it produces the high fever to make a plurality of protruding high-speed friction vibrations of bistrique bottom surface, and then make the strapping hot melt that overlaps, the infiltration firmly glues together, packing iron buckle material has both been saved, elegant appearance again, reduce the damage probability to the human body.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a side view of the present invention of fig. 1;
FIG. 3 is a schematic view of the automatic belt releasing mechanism of the present invention;
fig. 4 is a schematic view of the front knife mechanism of the present invention;
fig. 5 is a schematic view of the rear knife mechanism of the present invention;
fig. 6 is a schematic view of the middle knife mechanism of the present invention after the middle knife cylinder is removed;
fig. 7 is a schematic view of a tool post and a cutting knife of the middle knife mechanism of the present invention;
fig. 8 is a schematic view of the vibrating rod and the upper grinding head of the middle knife mechanism of the present invention;
fig. 9 is a schematic view of another view angle of the vibrating rod and the upper grinding head of the middle knife mechanism of the present invention;
fig. 10 is a top view of the tool mounting base of the present invention;
fig. 11 is a front view of the tool mounting seat and the tool adjusting plate of the present invention;
FIG. 12 is a schematic view of the strap of the present invention wrapping a packaged item;
reference numerals:
1. a middle knife mechanism; 10. a middle knife cylinder; 101. a motor; 102. an eccentric cam; 103. a tool holder; 104. a vibrating rod; 105. a cutter; 106. an upper grinding head; 107. a rotating shaft cam mounting hole; 108. vibrating the hole; 109. rotating the shaft hole; 110. installing a pin on the cutter; 111. a friction plate; 112. a friction plate mounting plate; 113. a pin shaft; 114. a bearing; 115. a convex groove; 2. a tool mounting seat; 201. a front knife groove; 202. a middle cutter groove; 203. a rear knife slot; 204. a cutter adjusting plate; 3. an automatic tape-releasing mechanism; 301. a base; 302. a belt removing cylinder; 303. a belt-off connecting rod; 304. a cylinder connecting portion; 305. a horizontal portion; 306. a vertical portion; 307. a horizontal base mounting section; 308. removing a belt cylinder connecting hole; 309. a hinge hole; 310. a base mounting hole; 311. a limiting plate; 312. a limiting groove; 313. the front cutter presses the tape head; 314. a middle knife lower grinding head; 315. the rear cutter presses the tape head; 4. a front knife mechanism; 401. a front cutter cylinder; 402. a front knife press belt connecting rod; 403. a front knife; 404. a horizontal part of the front blade; 405. pressing the rod part by the front cutter; 406. a front knife cylinder connecting hole; 407. a front knife connecting hole; 408. a front cutter mounting hole; 409. a front knife mounting hole; 410. perforating the strapping tape; 411. a front knife is provided with a belt pressing head; 5. a rear knife mechanism; 501. a rear knife cylinder; 502. the rear cutter presses a connecting rod; 503. a rear knife; 504. the rear knife is provided with a belt pressing head.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the accompanying drawings, so as to fully understand the objects, the features, and the effects of the present invention.
Example 1
A cutter structure for a packaging machine is shown in figures 1 and 2 and comprises a cutter mounting seat 2, an automatic strip removing mechanism 3, a front cutter mechanism 4, a middle cutter mechanism 1 and a rear cutter mechanism 5.
Automatic strip removing mechanism 3 includes base 301 and is used for driving base 301 pivoted strip removing assembly, cutter mount pad 2 is located base 301 top, it wears out the cavity to be formed with the strapping between cutter mount pad 2 and base 301, preceding knife mechanism 4, the equal movable mounting of well knife mechanism 1 and back knife mechanism 5 is on cutter mount pad 2, and its edge of a knife all towards the base 301 of below, and the cavity motion is worn out to the strapping of below, carry out the head to the strapping and compress tightly, the junction cuts off bonding and the afterbody compresses tightly.
In the embodiment, the cutter mounting seat 2 is used for movably mounting a front cutter mechanism 4, a middle cutter mechanism 1 and a rear cutter mechanism 5; the automatic strapping releasing mechanism 3 is used for automatically releasing the strapping tape after the strapping tape is cut off and bonded, and the strapping releasing assembly is used for driving the base 301 to turn over so as to release the strapping tape from the base 301; the strapping tape penetrates out of the cavity to be used for traversing the strapping tape, and processes such as tape pressing, cutting, bonding and the like are carried out in the strapping tape; the front knife mechanism 4 is used for pressing the head of the strapping tape to prevent the head of the strapping tape from falling off to influence the tensioning of the strapping tape when the strapping tape is tensioned; the middle knife mechanism 1 is used for cutting and bonding the strapping tape at one time, so that the time for packaging is reduced; the rear knife mechanism 5 is used for pressing the tail part of the strapping tape, and preventing the strapping tape from returning to the original position after the strapping tape is cut off by the middle knife mechanism 1 and influencing the bonding work of the middle knife mechanism 1.
Example 2
The present embodiment is further improved on the basis of embodiment 1, as shown in fig. 1, 2 and 3, the tape removing assembly includes a tape removing cylinder 302 and a tape removing connecting rod 303, the top of the tape removing connecting rod 303 is connected with the output shaft of the tape removing cylinder 302, the middle part is hinged with the tool mounting base 2, and the bottom is connected with the base 301. The strip-removing air cylinder 302 is used for driving the strip-removing connecting rod 303 to move, so that the base 301 is driven to turn over, and the strapping tape is removed from the base 301.
The belt-removing connecting rod 303 comprises a cylinder connecting part 304 with the top end inclined towards the back and the top, a horizontal part 305 at the upper end, a vertical part 306 at the lower end and a horizontal base mounting part 307 at the bottom end, which are sequentially connected in a front-back manner; the top end of the cylinder connecting part 304 is provided with a stripping cylinder connecting hole 308, the connecting part of the horizontal part 305 and the vertical part 306 is arc-shaped with an acute angle, the connecting part is provided with a hinge hole 309, the horizontal base mounting part 307 extends to the front end of the vertical part 306, and the horizontal base mounting part 307 is provided with a base mounting hole 310 for mounting the base 301. This embodiment is provided with two sets of components of taking off, and two sets of both ends about taking off the subassembly and being located base 301 take off, and base 301 is cliied to two sets of components of taking off, and two sets of components of taking off work simultaneously make base 301 upset take off the area automatically.
In this embodiment, during the tape stripping, the tape stripping cylinder 302 drives the tape stripping connecting rod 303 to move, so that the tape stripping connecting rod 303 rotates around the hinge hole 309, and further the base 301 at the front end of the tape stripping connecting rod 303 rotates around the hinge hole 309, so that the base 301 is inclined, and the strapping tape automatically falls off from the inclined base 301 under the action of the self-pretightening force, so as to automatically strip the tape, thereby saving the tape stripping time.
The strip-off component further comprises a limiting plate 311 used for limiting the strip-off connecting rod 303, the limiting plate 311 is installed on the cutter installation seat 2 and is positioned at the outer end of the strip-off connecting rod 303, and a limiting groove 312 matched with the arc-shaped connecting part at the acute angle is formed in the limiting plate 311. By arranging the limiting plate 311 for limiting the strip connecting rod 303, the strip connecting rod 303 rotates in the limiting groove 312 of the limiting plate 311, and the damage to the packaging machine caused by the excessive rotation of the strip connecting rod 303 is prevented.
Example 3
This embodiment is further improved on the basis of embodiment 2, and as shown in fig. 1 and 4, the front knife mechanism 4 includes a front knife cylinder 401, a front knife press belt connecting rod 402 and a front knife 403, an output end of the front knife cylinder 401 is connected to the front knife press belt connecting rod 402, and the front knife press belt connecting rod 402 is connected to the front knife 403. The front knife pressing connecting rod 402 is driven by the front knife cylinder 401 to move, and the front knife 403 is pressed downwards to work.
The front knife press belt connecting rod 402 comprises a front knife horizontal part 404 at the rear end and a front knife press rod part 405 with the front end inclined forwards and downwards, a front knife cylinder connecting hole 406 connected with the front knife cylinder 401 is arranged at the rear end of the front knife horizontal part 404, a front knife connecting hole 407 connected with the front knife 403 is arranged in the middle of the front knife press rod part 405, and a front knife tool mounting hole 408 connected with the knife tool mounting seat 2 is arranged at the bottom end of the front knife press rod part 405. The top end of the front knife 403 is provided with a front knife mounting hole 409 which is in an annular runway shape and is connected with the front knife connecting hole 407, the bottom of the front knife 403 is provided with a strapping tape through hole 410, and the bottom end surface is provided with a front knife upper pressing head 411.
In this embodiment, when the tape is pressed, the front knife cylinder 401 drives the front knife tape pressing connecting rod 402 to move, so that the front knife tape pressing connecting rod 402 rotates around the front knife tool mounting hole 408, the front knife 403 connected to the front knife connecting hole 407 is pressed downward, the front knife 403 moves downward in the front knife slot, and the front knife upper tape pressing head 411 at the bottom end of the front knife 403 presses the strapping tape.
Example 4
This embodiment is further improved on the basis of embodiment 3, and as shown in fig. 1, 2 and 5, the back knife mechanism 5 includes a back knife cylinder 501, a back knife press belt link 502 and a back knife 503, an output end of the back knife cylinder 501 is connected to the back knife press belt link 502, the back knife press belt link 502 is connected to the back knife 503, and a back knife press belt head 504 is disposed at a bottom end surface of the back knife 503.
The structure of the rear knife/press belt link 502 of this embodiment is the same as that of the front knife/press belt link 402, and the structure of the rear knife 503 is similar to that of the front knife 403, except that the number of the strapping perforations is reduced, so the structures of the rear knife/press belt link 502 and the rear knife 503 are not described in detail in this embodiment.
In this embodiment, when the strap is pressed, the rear knife cylinder 501 drives the rear knife strap connecting rod 502 to move, so that the rear knife 503 connected to the rear knife strap connecting rod 502 moves downward in the rear knife slot, and the rear knife strap pressing head 504 at the bottom end of the rear knife 503 presses the strap.
Example 5
This embodiment is further improved on the basis of embodiment 4, and as shown in fig. 1, 6 to 9, the middle blade mechanism 1 includes a middle blade cylinder 10, a motor 101, an eccentric cam 102, a blade holder 103, a vibrating rod 104, a cutting blade 105 and an upper grinding head 106;
the output end of the middle knife cylinder 10 is in transmission connection with a knife rest 103, the output end of the motor 101 is in transmission connection with an eccentric cam 102, the cutting knife 105 and the upper grinding head 106 are both arranged at the bottom end of the knife rest 103, the vibrating rod 104 is arranged inside the knife rest 103, the bottom end of the vibrating rod is connected with the upper grinding head 106, and the top end of the vibrating rod is in transmission connection with the eccentric cam 102 and is driven by the eccentric cam 102 to vibrate in the knife rest 103 at a high speed.
In this embodiment, the middle knife cylinder 10 is used to drive the cutting knife 105 on the knife rest 103 to perform cutting operation; the motor 101 is used for driving the eccentric cam 102 to rotate; the eccentric cam 102 is used for eccentrically rotating to drive the vibrating rod 104 to vibrate; the tool rest 103 is used for mounting the motor 101, the vibrating rod 104 and the upper grinding head 106; the vibrating rod 104 is used for driving the upper grinding head 106 to vibrate at a high speed; the cutter 105 is used for cutting the strapping tape; the upper abrasive head 106 is used to thermally fuse the overlapping straps together.
In the embodiment, the cutter 105 and the upper grinding head 106 are arranged on the cutter frame 103, the cutter 105 is driven by the middle cutter cylinder 10 to perform cutting operation, the upper grinding head 106 is driven by the motor 101 to perform bonding operation, and the cutting operation and the bonding operation are performed simultaneously and are completed at one time, so that the time spent on a packaging process is reduced.
As an optimized solution of this embodiment, as shown in fig. 6 and 7, a vibration rod mounting cavity is formed inside the tool holder 103, the vibration rod mounting cavity is communicated to the bottom of the tool holder 103, a rotating shaft cam mounting hole 107 is formed in the upper portion of the tool holder 103, and the rotating shaft cam mounting hole 107 is communicated with the vibration rod mounting cavity. Wherein, the vibration rod mounting cavity is used for mounting the vibration rod 104, and the rotating shaft cam mounting hole 107 is used for mounting the output shaft of the motor and the eccentric cam 102.
As an optimized scheme of the embodiment, as shown in fig. 6 and 8, a vibration hole 108 is formed at the top of the vibration rod 104, the vibration hole 108 is located in the rotating shaft cam mounting hole 107, and the eccentric cam 102 is located in the vibration hole 108; the middle part of the vibrating rod 104 is provided with a rotating shaft hole 109, and the rotating shaft passes through the rotating shaft hole 109 and is connected with the tool rest 103.
The vibration hole 108 is used for mounting the eccentric cam 102, and the rotation shaft hole 109 is used for mounting the rotation shaft. The eccentric cam 102 rotates to drive the oscillating rod 104 to reciprocate at a high speed around the rotating shaft, and oscillates. Meanwhile, bearings may be provided at both left and right ends of the rotation shaft in order to smoothly swing the vibration rod 104.
As a preferred embodiment, as shown in fig. 6 to 9, the cutting blade 105 is detachably mounted on the side wall of the bottom end of the blade holder 103 via a cutting blade mounting pin 110, and the cutting edge of the cutting blade 105 faces downward, so that the cutting operation can be performed while the bonding process is performed.
As an optimized solution of this embodiment, as shown in fig. 6, 8 and 9, the upper grinding head 106 includes a friction plate 111 at the bottom and friction plate mounting plates 112 extending upward from the left and right ends of the friction plate 111, a plurality of protrusions are disposed on the bottom surface of the friction plate 111, and a pin 113 penetrates through the two friction plate mounting plates 112 and is connected to the vibration rod 104 to fix the upper grinding head 106 on the vibration rod 104.
Wherein, the pin shaft 113 is arranged to penetrate through the two friction plate mounting plates 112 to facilitate the mounting of the upper grinding head 106. The friction plate 111 of the upper grinding head 106 vibrates at a high speed, and the friction plate 111 vibrates at a high speed by friction to generate high heat, so that the overlapped binding tapes are melted and penetrated to be firmly adhered together.
Example 6
The present embodiment is further improved on the basis of embodiment 5, as shown in fig. 1, 10 and 11, the front end surface of the tool mounting base 2 is provided with a front tool groove 201, a middle tool groove 202 and a rear tool groove 203 which are arranged along the vertical direction and penetrate up and down, and the front tool groove 201 is communicated with the middle tool groove 202; the front knife, the middle knife and the rear knife of the front knife mechanism 4, the middle knife mechanism 1 and the rear knife mechanism 5 are respectively positioned in the front knife groove 201, the middle knife groove 202 and the rear knife groove 203. The front blade, the middle blade, and the rear blade in the present embodiment are specifically the front blade 403 of the front blade mechanism 4, the blade holder 103 of the middle blade mechanism 1, and the rear blade 503 of the rear blade mechanism 5, respectively.
The front end of the cutter mounting seat 2 is provided with a cutter adjusting plate 204 for adjusting the positions of the front cutter, the middle cutter and the rear cutter, adjusting strips are arranged between the cutter adjusting plate 204 and the front cutter, between the middle cutter and the rear cutter, and adjusting bolts penetrate through the cutter adjusting plate 204 to abut against the adjusting strips. In actual installation, the front cutter, the middle cutter and the rear cutter are arranged at certain distances from the front end face and the rear end face of each installation groove, and the adjusting panel and the adjusting bolt are arranged in the embodiment.
Example 7
This embodiment is further improved on the basis of embodiment 6, and as shown in fig. 1, a front knife lower pressing belt head 313, a middle knife lower grinding head 314 and a rear knife lower pressing belt head 315 which are respectively matched with head tool heads of a front knife, a middle knife and a rear knife are arranged on a base 301. The front knife lower belt pressing head 313 is matched with the front knife upper belt pressing head 411 of the front knife to carry out belt pressing work; the middle knife lower grinding head 314 is matched with the middle knife upper grinding head 106 for bonding; the rear knife lower belt pressing head 315 is matched with the rear knife upper belt pressing head 504 of the rear knife to carry out belt pressing work.
For better understanding, the utility model discloses, following is to the theory of operation of the utility model make a complete description:
as shown in fig. 12 (in the drawing, the arrow indicates the crossing direction of the strap, and the tightening direction is the opposite direction of the arrow), when the strap is packed, the strap is fed out from the tightening part, and passes through the strap passing hole 410 of the front knife, the strap passing cavity between the middle knife upper grinding head 106 and the middle knife lower grinding head 314, and the strap passing cavity between the rear knife upper press head 504 and the rear knife lower press head 315, and then passes through the strap passing cavity between the front knife upper press head 411 and the front knife lower press head 313, and the strap passing cavity between the middle knife upper grinding head 106 and the middle knife lower grinding head 314, and stops after the strap is in place, and at this time, the strap passing cavity between the middle knife upper grinding head 106 and the middle knife lower grinding head 314 has two layers of overlapping straps.
After the strapping tape is in place, the strapping tape head needs to be pressed by the upper front-knife strapping head 411 and the lower front-knife strapping head 313 of the front-knife mechanism 4, so as to tightly press the strapping tape head. Specifically, the front knife cylinder 401 operates to drive the front knife pressing connecting rod 402 to move, so that the front knife pressing connecting rod 402 rotates around the front knife mounting hole 408, the front knife 403 connected to the front knife connecting hole 407 is pressed downwards, the front knife 403 moves downwards in the front knife slot, and the front knife upper pressing head 411 at the bottom end of the front knife 403 presses the strapping tape on the front knife lower pressing head 313 to perform the pressing operation.
After the front knife is pressed, the tightening power part is tightened, and after the strapping tape is tightened, the rear knife mechanism 5 is started to press the tail part of the strapping tape (after the upper strapping tape is cut by the cutter 105, the tail part of the strapping tape is formed). Specifically, the rear knife cylinder 501 drives the rear knife pressing connecting rod 502 to move, so that the rear knife 503 connected with the rear knife pressing connecting rod 502 moves downwards in the rear knife slot, the rear knife upper pressing head 504 at the bottom end of the rear knife 503 presses the strapping tape on the rear knife lower pressing head 315, the pressing operation is performed, and the tail of the strapping tape is pressed.
After the rear knife mechanism 5 presses the tail part of the strapping tape, the middle knife mechanism 1 carries out bonding and cutting-off work. Specifically, the middle knife cylinder 10 drives the knife rest 103 to move downward, and further drives the cutter 105 to cut off the overlapped upper strapping tape. Meanwhile, the motor 101 drives the eccentric cam 102 to rotate, the eccentric cam 102 rotates in the vibration hole 108 of the vibration rod 104, and then the vibration rod 104 is driven to reciprocate at a high speed by taking the rotation shaft as a center, so that the vibration rod swings and vibrates at a high speed, and the high-speed vibration is transmitted to the upper grinding head 106 at the bottom end of the vibration rod 104, so that a plurality of protrusions on the bottom surface of the upper grinding head 106 generate high heat through high-speed friction vibration, and then the upper and lower layers of overlapped strapping tapes are hot-melted and firmly adhered together in a penetrating manner. Cutting and bonding are carried out simultaneously and are finished at one time.
After the cutting and bonding work of the middle cutter mechanism 1 is finished, the cylinders of the front cutter mechanism 4, the middle cutter mechanism 1 and the rear cutter mechanism 5 return to enable the front cutter, the middle cutter and the rear cutter to return.
After the knives return to the original positions, the tape removing cylinder 302 drives the tape removing connecting rod 303 to move, so that the tape removing connecting rod 303 rotates by taking the hinge hole 309 as a center, and further the base 301 at the front end of the tape removing connecting rod 303 also rotates by taking the hinge hole 309 as a center, so that the base 301 inclines, and the strapping tape automatically falls off from the inclined base 301 under the action of self pretightening force to automatically remove the tape.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and the equivalents or substitutions are included in the scope of the present invention defined by the claims.
Claims (10)
1. The utility model provides a cutter structure for packagine machine which characterized in that: comprises a cutter mounting seat (2), an automatic strip-removing mechanism (3), a front cutter mechanism (4), a middle cutter mechanism (1) and a rear cutter mechanism (5);
automatic tape stripping mechanism (3) include base (301) and are used for driving base (301) pivoted tape stripping assembly, cutter mount pad (2) are located base (301) top, are formed with the strapping between cutter mount pad (2) and base (301) and wear out the cavity, preceding sword mechanism (4), well sword mechanism (1) and back sword mechanism (5) equal movable mounting be in on cutter mount pad (2), and its edge of a knife all towards base (301) of below to the cavity motion is worn out to the strapping of below, carries out the head to the strapping and compresses tightly, the junction cuts off bonding and the afterbody compresses tightly.
2. The cutter structure of claim 1 wherein: the belt removing assembly comprises a belt removing cylinder (302) and a belt removing connecting rod (303), the top of the belt removing connecting rod (303) is connected with an output shaft of the belt removing cylinder (302), the middle of the belt removing connecting rod is hinged with the cutter mounting seat (2), and the bottom of the belt removing connecting rod is connected with the base (301).
3. The cutter structure of claim 2 wherein: the belt-removing connecting rod (303) comprises a cylinder connecting part (304) with the top end inclined towards the rear upper part, a horizontal part (305) at the upper end, a vertical part (306) at the lower end and a horizontal base mounting part (307) at the bottom end, which are sequentially connected from front to back;
a belt-removing cylinder connecting hole (308) is formed in the top end of the cylinder connecting portion (304), the connecting portion of the horizontal portion (305) and the vertical portion (306) is arc-shaped and is in an acute angle, a hinge hole (309) is formed in the connecting portion, the horizontal base mounting portion (307) extends towards the front end of the vertical portion (306), and a base mounting hole (310) is formed in the horizontal base mounting portion (307);
the strip-off component further comprises a limiting plate (311) used for limiting the strip-off connecting rod (303), the limiting plate (311) is installed on the cutter mounting seat (2) and located at the outer end of the strip-off connecting rod (303), and a limiting groove (312) matched with the arc-shaped connecting part at the acute angle is formed in the limiting plate (311).
4. The cutter structure of claim 1 wherein: the front knife mechanism (4) comprises a front knife cylinder (401), a front knife press belt connecting rod (402) and a front knife (403), the output end of the front knife cylinder (401) is connected with the front knife press belt connecting rod (402), and the front knife press belt connecting rod (402) is connected with the front knife (403);
the front knife press belt connecting rod (402) comprises a front knife horizontal part (404) at the rear end and a front knife press rod part (405) with the front end inclined forwards and downwards, a front knife cylinder connecting hole (406) connected with the front knife cylinder (401) is formed in the rear end of the front knife horizontal part (404), a front knife connecting hole (407) connected with the front knife (403) is formed in the middle of the front knife press rod part (405), and a front knife tool mounting hole (408) connected with the knife mounting seat (2) is formed in the bottom end of the front knife press rod part (405);
the top end of the front knife (403) is provided with a front knife mounting hole (409) which is in an annular runway shape and is connected with the front knife connecting hole (407), the bottom of the front knife (403) is provided with a strapping tape through hole (410), and the bottom end surface is provided with a front knife upper pressing head (411).
5. The cutter structure of claim 1 wherein: the rear knife mechanism (5) comprises a rear knife cylinder (501), a rear knife press belt connecting rod (502) and a rear knife (503), the output end of the rear knife cylinder (501) is connected with the rear knife press belt connecting rod (502), the rear knife press belt connecting rod (502) is connected with the rear knife (503), and a rear knife upper press belt head (504) is arranged on the bottom end face of the rear knife (503).
6. The cutter structure of claim 1 wherein: the middle cutter mechanism (1) comprises a middle cutter cylinder (10), a motor (101), an eccentric cam (102), a cutter rest (103), a vibrating rod (104), a cutter (105) and an upper grinding head (106);
the output end of the middle cutter cylinder (10) is in transmission connection with the cutter frame (103), the output end of the motor (101) is in transmission connection with the eccentric cam (102), the cutter (105) and the upper grinding head (106) are both arranged at the bottom end of the cutter frame (103), the vibrating rod (104) is arranged inside the cutter frame (103), the bottom end of the vibrating rod is connected with the upper grinding head (106), and the top end of the vibrating rod is in transmission connection with the eccentric cam (102) and is driven by the eccentric cam (102) to vibrate in the cutter frame (103) at a high speed.
7. The cutter structure of claim 6 wherein: a vibrating rod mounting cavity is formed in the tool rest (103), the vibrating rod mounting cavity is communicated to the bottom of the tool rest (103), a rotating shaft cam mounting hole (107) is formed in the upper portion of the tool rest (103), and the rotating shaft cam mounting hole (107) is communicated with the vibrating rod mounting cavity;
the top of the vibrating rod (104) is provided with a vibrating hole (108), the vibrating hole (108) is positioned in the rotating shaft cam mounting hole (107), and the eccentric cam (102) is positioned in the vibrating hole (108); and a rotating shaft hole (109) is formed in the middle of the vibrating rod (104), and a rotating shaft penetrates through the rotating shaft hole (109) and is connected with the tool rest (103).
8. The cutter structure of claim 7 wherein: the cutter (105) is detachably mounted on the side wall of the bottom end of the cutter rest (103) through a cutter mounting pin (110), and the knife edge of the cutter (105) faces downwards;
the upper grinding head (106) comprises a friction plate (111) at the bottom and friction plate mounting plates (112) extending upwards from the left end and the right end of the friction plate (111), a plurality of protrusions are arranged on the bottom surface of the friction plate (111), and a pin shaft (113) penetrates through the two friction plate mounting plates (112) to be connected with the vibrating rod (104) so as to fix the upper grinding head (106) on the vibrating rod (104);
bearings (114) are arranged at the left end and the right end of the eccentric cam (102), the tool rest (103) is of a cuboid structure, and a convex groove (115) is formed in the top end of the tool rest (103).
9. The cutter structure of claim 1 wherein: the front end surface of the cutter mounting seat (2) is provided with a front cutter groove (201), a middle cutter groove (202) and a rear cutter groove (203) which are arranged along the vertical direction and penetrate through the cutter mounting seat from top to bottom, and the front cutter groove (201) is communicated with the middle cutter groove (202);
the front knife, the middle knife and the rear knife of the front knife mechanism (4), the middle knife mechanism (1) and the rear knife mechanism (5) are respectively positioned in the front knife groove (201), the middle knife groove (202) and the rear knife groove (203), a knife adjusting plate (204) used for adjusting the positions of the front knife, the middle knife and the rear knife is installed at the front end of the knife installing seat (2), adjusting gibs are arranged between the knife adjusting plate (204) and the front knife, between the middle knife and the rear knife, and adjusting bolts penetrate through the knife adjusting plate (204) to be abutted against the adjusting gibs.
10. The cutter structure of claim 9 wherein: the base (301) is provided with a front knife lower belt pressing head (313), a middle knife lower grinding head (314) and a rear knife lower belt pressing head (315) which are respectively matched with head tool bits of the front knife, the middle knife and the rear knife.
Priority Applications (1)
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CN202121591265.5U CN215155945U (en) | 2021-07-14 | 2021-07-14 | Cutter structure for packaging machine |
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CN202121591265.5U CN215155945U (en) | 2021-07-14 | 2021-07-14 | Cutter structure for packaging machine |
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