CN112278964B - Looping mechanism of banding machine - Google Patents
Looping mechanism of banding machine Download PDFInfo
- Publication number
- CN112278964B CN112278964B CN202011118837.8A CN202011118837A CN112278964B CN 112278964 B CN112278964 B CN 112278964B CN 202011118837 A CN202011118837 A CN 202011118837A CN 112278964 B CN112278964 B CN 112278964B
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- belt
- tightening
- track
- plate
- frame
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Basic Packing Technique (AREA)
Abstract
The invention belongs to the technical field of packaging belt packing machines, and particularly relates to a loop mechanism of a belt binding machine, which comprises a plurality of driving wheels, a plurality of driving wheels and a plurality of driving wheels, wherein the driving wheels are arranged on a rack of the belt binding machine; a belt assembly wound between the driving wheels to form a track for transferring the belt; vacuum means for adsorbing the tape to the surface of the belt assembly; a belt guide assembly including at least one movable cover member having an operative position and an open position, the cover member covering at least a portion of the track when in the operative position, the track and the cover member cooperating to form a passageway for the belt to pass and limit removal thereof; the cover assembly does not cover the track when in the open position so that the strap can be disengaged from the track. According to the invention, the channel can follow the adaptability change of the belt according to the relative movement between the cover parts, so that the belt can be transported in the channel better, and the transportation accuracy and efficiency are improved.
Description
Technical Field
The invention belongs to the technical field of packaging belt packaging machines, and particularly relates to a loop mechanism of a belt binding machine.
Background
The belt binding machine is a common packing device, and can automatically wind the belt on the article only by putting the article in a working frame of the belt binding machine, and then turn the wound belt tightly and cut off.
Patent No. PCT/NL95/00035 discloses a strapping machine for strapping products, which has a strap storage mechanism, a loop mechanism, a fusion welding mechanism, a strap cutting mechanism, etc.; wherein, the loop mechanism adopts a belt transmission mode and a fan vacuumizing mode to carry out belt conveying;
the major drawbacks of this strander are: the conduction band frame arranged on the link mechanism and used for guiding the belt to be transmitted for loop connection cannot be adjusted according to the actual condition of the belt, the use is limited, and the transmission is unstable.
Disclosure of Invention
The invention aims to provide a loop mechanism of a belt binding machine, and a cover part capable of relatively moving is arranged on the loop mechanism, so that the belt can adaptively adjust a belt conveying channel in the track advancing process, the belt can be better conveyed and wound, the belt can also adapt to various belts, and the adaptability is strong.
The purpose of the invention is realized in the following way:
the loop mechanism of the banding machine comprises a plurality of driving wheels which are arranged on a frame of the banding machine; a belt assembly wound between the driving wheels to form a track for transferring the belt; vacuum means for adsorbing the tape to the surface of the belt assembly; a belt guide assembly including at least one movable cover member having an operative position and an open position, the cover member being in the operative position and covering at least a portion of the track during forward transport of the belt, the track and cover member cooperating to form a passageway for the belt to pass and limit removal thereof; the cover part is in an open position and does not cover the track during tightening of the strap backwards so that the strap can be detached from the track; the tightening device is used for reversely tightening the binding belt and tightly binding a loop formed by the binding belt on a product to be bound.
It is further provided that the width of the uncovered part of the track is smaller than the width of the belt to be transferred when the cover part is in the operating position.
The front frame and the rear frame are respectively arranged at the front side and the rear side of the track, and can be mutually close to or far from each other under the action of the driving device; the front and rear frames are adjacent to each other and cover a portion of the track during the forward belt transfer; the front and rear frames are moved away from each other and away from the working area of the track as the strap is tightened back by the tightening mechanism.
The front frame and the rear frame are respectively provided with a guide strip, and the guide strips can shade or separate from the working area of the track; during the forward conveying process of the belt, the two guide strips are close to each other to a set position, and the distance between the two guide strips is smaller than the width of the belt; two guide strips and a belt assembly enclose the channel for belt transfer.
Further provided that the driving means is: the left side and the right side of the front frame and the rear frame are provided with fixing plates, the fixing plates are provided with protruding blocks, the left side and the right side of the front frame and the rear frame are movably provided with left sliding plates and/or right sliding plates, and the side edges of the left sliding plates and the right sliding plates are provided with sliding tracks for the protruding blocks to slide in or slide out; the left slide plate and/or the right slide plate are driven by the driving motor to move up and down, so that the convex blocks are driven to move in the front-back direction; the front frame and the rear frame are reset through tension springs.
The driving device further comprises a second driving motor, a gear box is arranged on the second driving motor, a first cam assembly is arranged at the output end of the gear box, the first cam assembly comprises a fourth cam, a fourth roller is arranged on the left sliding plate/the right sliding plate, and the fourth roller reciprocates under the driving of the fourth cam.
The left slide plate and the right slide plate are connected through a steel wire assembly, the steel wire assembly comprises a left wire wheel and a right wire wheel which are positioned above the left slide plate and the right slide plate, a steel wire is tensioned between the left wire wheel and the right wire wheel, and two ends of the steel wire are respectively fixed with the left slide plate and the right slide plate.
The front frame and the rear frame are provided with a front frame and a rear frame, wherein the front ends of the front frame and the rear frame are provided with a front frame, the front frame and the rear frame are respectively provided with a front frame, the front frame and the rear frame, the front frame are respectively provided with a front frame and a rear frame, the front frame and the rear frame are respectively provided with a front frame, the front frame and a rear frame are respectively provided with a front frame, the front; a guide belt plate is arranged above the tail end of the feeding plate, the lower end opening of the guide belt plate faces the inlet, the front end of the belt enters the inlet along the feeding plate and then advances along the guide belt plate towards the inlet after passing through the track; and a fusion welding mechanism and a belt shearing mechanism are arranged between the guide inlet and the belt guiding plate.
The vacuum device further comprises a fan arranged on one side of the track, and the fan discharges air in the transmission track to form a negative pressure state, so that the belt is caused to be attached to the track.
Further arranged, the belt assembly comprises an intermediate synchronous pulley which receives the belt conveyed by the previous synchronous pulley and transfers the belt to the next synchronous pulley; a plurality of synchronous belt grooves are arranged on the middle synchronous belt pulley; the synchronous belt between the middle synchronous pulley and the former synchronous pulley and the synchronous belt between the middle synchronous pulley and the latter synchronous pulley are arranged in the synchronous belt groove at intervals.
Compared with the prior art, the invention has the following outstanding and beneficial technical effects:
the loop mechanism of the present invention includes a belt guide assembly including at least one movable cover member having an operative position and an open position, the cover member being in the operative position and covering at least a portion of the track during forward transport of the belt, the track and the cover member cooperating to form a passageway for the belt to pass and to limit detachment thereof; the cover part is in an open position and does not cover the track during tightening of the strap backwards so that the strap can be detached from the track; the channel can follow the band to carry out adaptive change according to the relative movement between the cover parts, so that the band can be transported in the channel better, the transportation accuracy and efficiency are improved, and the band with different widths can be adapted.
The front frame and the rear frame move through the left sliding plate and the right sliding plate which are positioned at the left side and the right side, the left sliding plate/the right sliding plate moves up and down under the drive of the second driving motor, and the left sliding plate and the right sliding plate are connected through the steel wire assembly, so that the right sliding plate is driven to synchronously move; the left and right sides of preceding frame and back frame are equipped with the fixed plate, are equipped with the lug on the fixed plate, the gliding slip track of confession lug has been seted up to left side slide and right slide side, and when left side slide and right slide carried out the reciprocates, the lug moved in the slip track to drive preceding frame and back frame and remove, mechanical control removes accurately.
The front ends of the front frame and the rear frame are provided with the outwards-unfolded leading-in ports which face the tail end of the feeding plate, so that the front ends of the belts can be conveniently guided to enter the leading-in ports along the feeding plate; the upper part of the tail end of the feeding plate is provided with the guide plate, the opening of the lower end of the guide plate faces the leading-in port, the belt is convenient to advance along the guide plate towards the leading-in port after passing through the track, and the belt shearing mechanism is arranged between the leading-in port and the guide plate, so that the belt is ensured to cut after the packing box is completely wound for one circle.
Drawings
FIG. 1 is a schematic diagram of a belting machine employing the present invention;
FIG. 2 is a schematic view of the internal structure of a frame of a belting machine employing the present invention;
FIG. 3 is a schematic view of the exterior configuration of a frame of a strapping machine in which the present invention is utilized;
FIG. 4 is a block diagram of the mounting between the auxiliary links, the rotating bars and the frame of the strapping machine of the present invention;
FIG. 5 is one of the simplified structural diagrams of the present invention;
FIG. 6 is a second schematic diagram of the present invention;
FIG. 7 is a schematic view of a belt cutting mechanism employing the belt machine of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at A;
FIG. 9 is a third schematic diagram of the present invention;
FIG. 10 is a fourth schematic diagram of the present invention;
FIG. 11 is a partial enlarged view at B of FIG. 10;
FIG. 12 is a block diagram of the track entry of the present invention;
FIG. 13 is a schematic view of the connection structure between the front frame and the rear frame of the present invention;
fig. 14 is a partial enlarged view at C of fig. 9.
Detailed Description
The invention is described in detail below with reference to fig. 1-14:
as shown in fig. 1 and 2, the banding machine includes a frame 1, a band storing mechanism (for storing the band 20 and supplying the band 20 to the banding mechanism when necessary) provided at the front side of the frame 1, a banding mechanism (for advancing the band 20 along an endless track 42 and forming a band connected end to end), a tightening mechanism (for reversely tightening the band 20 and binding the band 20 to a product to be bound), a welding mechanism (for welding the end to end of the band into one), a band cutting mechanism (for cutting the band 20 still connected other than the band), and a control system for controlling the operation of the above mechanisms.
An inlet 17 for entering the belt is formed in the side surface of the frame 1, a square frame-shaped mounting part 10 is arranged on the workbench of the frame 1, a control screen 18 is arranged on the front side of the workbench, an object to be belted is placed in the square frame-shaped mounting part 10, and the belt 20 is wound on the belt storage mechanism; the machine frame 1 is internally provided with a feeding plate 41 and a driving mechanism 3, the feeding plate 41 is used for conveying the belt 20 into the track 42, the outer end of the belt 20 enters the feeding plate 41 through a belt storage mechanism, the feeding plate 41 drives the belt 20 to enter a loop mechanism under the driving of the driving mechanism, the loop mechanism winds the belt on an object to be belted and is tightly bound through a tightening mechanism, the fusion welding mechanism fuses the belt and cuts off the belt through a belt cutting mechanism to complete the belt work, the whole-process mechanical control is realized, and the working efficiency is high.
A preferred embodiment of the tape storage mechanism is described herein: the belt storage mechanism comprises a belt storage bin 2 arranged at the front lower part of the frame, a belt reel shaft is arranged in the belt storage bin 2, a belt reel 21 formed by winding belts is sleeved on the belt reel shaft, a belt reel pressing plate 25 and a handle 26 are arranged on the outer side of the belt reel 21 at the outer end part of the belt reel shaft, the belt reel pressing plate 25 is pressed on the belt reel, and the belt reel is prevented from falling off due to centrifugal force in the process of following the rotation of the belt reel shaft. Meanwhile, in order to avoid that the reel keeps rotating under the inertia caused by the driving mechanism, a reel brake device 27 is arranged at the inner end of the reel shaft and positioned at the inner side of the rack, and the reel brake device 27 is an electromagnetic brake and can brake the reel in time.
As shown in fig. 3, a tape storage area is arranged on one side of the tape reel 21 on the tape storage bin 2, the tape storage area comprises a plurality of upper layer rollers 22 and movable rollers 23 which are arranged at intervals, the upper layer rollers 22 are directly arranged on the frame 1, and the upper layer rollers 22 are used for providing a supporting shaft on the upper part for the tape 20; the frame 1 is provided with a plurality of moving grooves 11, the movable rollers 23 are movably arranged in the moving grooves 11, the moving grooves 11 are arranged between a plurality of upper rollers 22 in an arc shape, the top ends of the moving grooves 11 are higher than the upper rollers 22, the bottom ends of the moving grooves 11 are lower than the upper rollers 22, as shown in fig. 1, when the belt conveyor is used, the belt 20 is wound and tensioned between the upper rollers 22 and the movable rollers 23, when the movable rollers 23 move downwards to the bottom ends of the moving grooves 11, a supporting shaft positioned at the lower part is provided for the belt 20, the belt passes through the upper rollers 22 and the movable rollers 23 to form a winding, and the belt is conveniently dragged by a driving mechanism to be fed. The top of the moving groove 11 is higher than the upper roller 22, so that the movable roller 23 moves to the uppermost part of the moving groove during initial tape storage, then the tape is directly pulled through the space between the upper roller 22 and the movable roller 23, and then the movable roller 23 is directly controlled to move downwards, so that the tape can be wound between the upper roller 22 and the movable roller 23 without sequentially and manually winding the upper roller and the movable roller one by one, the operation is very convenient, and the tape storage mode is simple, convenient and efficient.
As shown in fig. 4, a belt storage connecting rod is arranged at the inner side of the belt storage bin 2, the belt storage connecting rod comprises a rotating rod 12 and an auxiliary connecting rod 13 which are connected with each other, and a plurality of movable rollers 23 are arranged on the auxiliary connecting rod 13, so that the movable rollers can synchronously move in the moving groove 11; the rotating rod 12 is rotatably arranged on the frame 1, and a certain angle is formed between the rotating rod 12 and the auxiliary connecting rod 13; when the rotating rod 12 swings upwards to a set position, the auxiliary connecting rod 13 is in a basically horizontal state and is positioned above the upper layer roller 22 (namely, the movable roller 23 is positioned at the top end of the movable groove 11), and the movement of the auxiliary connecting rod can drive the position of the movable roller to change, so that the movement of the movable roller can be kept consistent; in order to enhance the stability of the rotating rod, a limit groove 121 is formed in the rotating rod 12, a limit rod 14 is arranged in the limit groove 121, a limit piece 15 is arranged on the frame 1, a tension spring 91 is arranged between the limit piece 15 and the limit rod 14, and when the rotating rod 12 is positioned at the uppermost position, the tension spring gives an upward tension to the belt storage connecting rod greater than the gravity of the belt storage connecting rod and the movable roller 23; when the rotating rod 12 is positioned at the lowest position, the tension spring applies downward tension to the belt storage connecting rod, so that the belt can be stored again after being used; specifically, an inflection point exists in the rotating process of the rotating rod; above the inflection point, the tension spring generates upward elasticity so as to overcome gravity and facilitate threading; under the inflection point, the elasticity of the tension spring is downward matched with gravity, so that the belt can be stored conveniently. The inflection point is when the extension spring and the rotating rod are in a straight line, the elastic force and the force of the rotating rod are counteracted, and the rotation of the rotating rod is limited through the extension spring.
The lower side of the rotating rod 12 is also provided with a buffer block 16, the buffer block 16 is used for positioning the limit position of the downward swing of the rotating rod 12, and when the rotating rod rotates downwards, the buffer block can buffer the rotating rod so as to protect the rotating rod; the upper side of the rotating rod 12 is provided with a photoelectric sensing device 162, when the belt is fed, the belt stored in the belt storage area is used first, and when the stored belt is used up, the rotating rod 12 can ascend and enter the sensing area of the photoelectric sensing device 162; at this time, the photoelectric sensing device 162 sends a control signal to the main control system, the main control system opens the reel brake device 27, the tension spring matches the gravity of the rotating rod, pulls the reel and stores the tape in the tape storage area; when the storage is completed, the rotating rod 12 has left the sensing area of the photoelectric sensing device 162, and the brake is braked again.
An adjusting roller group is arranged on one side of the frame 1, which is positioned in the belt storage area, and comprises an upper roller 281, a lower roller 282 and a bracket 19 for installing the upper roller and the lower roller, one side of the bracket is provided with a scale, and the belt 20 continuously passes through and is tensioned between the upper roller 281 and the lower roller 282 after passing through the upper roller 22 and the movable roller 23; the upper roller 281 is provided with a baffle 283, the outer end of the belt 20 passes through a gap between the baffle 283 and the upper roller 281 to enter the inlet 17, and is conveyed onto the feeding plate 41, and then enters the conveying mechanism for conveying under the drive of the driving mechanism 3.
The loop mechanism comprises the feeding plate 41, a track 42 arranged in a frame-shaped installation part above the workbench of the stand, a conveying driving group and a vacuum device for adsorbing the belt 20 on the surface of a belt assembly 44, wherein the conveying driving group comprises a plurality of driving wheels 43 and the belt assembly 44 which is wound between the driving wheels 43 and can transmit the belt; the frame is provided with a grooved plate 45 in an inclined way, the grooved plate 45 is provided with the feeding plate 41, and the front end of the feeding plate 41 is bent upwards to form a guide surface, so that a belt can be conveniently guided to enter the feeding plate 41 and then enter the conveying mechanism.
The driving wheels are five, one of them is positioned at the entrance of the rail 42 at the rear side of the feeding plate 41, the belt enters the rail 42 from the entrance after passing through the feeding plate, here the main driving wheel 431, the other four are the auxiliary driving wheels, and are respectively positioned at the four corners of the square frame-shaped mounting part, the belt assembly 44 is sleeved between the five driving wheels, and the belt assembly forms the rail 42.
The driving mechanism 3 comprises a first driving motor 31 and a second driving motor 32, the first driving motor 31 is provided with a driving roller 33, the driving roller 33 is positioned on one side of the feeding plate 41, the grooved plate 45 and the feeding plate are provided with a first through groove 451, the upper end surface of the driving roller 33 is positioned in the first through groove 451, and the driving roller 33 can drive the belt 20 to move on the feeding plate 41 and enter the track 42.
The outer end of the motor shaft of the first driving motor 31 is also provided with a belt transmission group 34, the belt transmission group 34 comprises a driving wheel 341 and a driven wheel 342 which are connected through a belt, the driving wheel 341 and the driving roller 33 are coaxially arranged, and synchronous rotation is carried out under the drive of the first driving motor 31; the driven wheel 342 is connected with and drives the main driving wheel 431 at the inlet of the track 42 to rotate; the motion of the conveying driving group and the driving roller 33 are driven by the first driving motor 31 together, so that the two driving motors are synchronous, and the belt can enter from the feeding plate and be conveyed and transmitted in the track better.
The loop mechanism further includes a belt guide assembly having the track 42 and the conveyor drive assembly disposed therein, the belt guide assembly including at least one movable cover member having an operative position and an open position,
during the forward transport of the belt 20, the cover member is in the operative position and covers at least a portion of the track 42, the track 42 and the cover member cooperating to form a channel for the belt 20 to pass and limit its removal; the uncovered portion of the track 42 has a width less than the width of the tape 20 to be transferred when the cover part is in the operative position. So that the belt can be prevented from falling down during transportation due to the blocking of the cover part when the belt is positioned in the passage.
During the back tightening of the strap 20, the cover portion is in the open position and does not cover the track 42 so that the strap 20 can be disengaged from the track 42 and thereby tightened around the periphery of the object to be packed.
Specifically, the cover part includes a front frame 51 and a rear frame 52 disposed at both sides of the rail 42, the front frame 51 being movable back and forth with respect to the rear frame 52 (the front frame 51 and the rear frame 52 being moved toward each other or away from each other by the driving means), the front frame 51 and the rear frame 52 being moved toward each other and covering a portion of the rail 42 during the forward transfer of the webbing 20; the front and rear frames 51, 52 move away from each other and away from the working area of the track 42 during the back tightening of the strap 20. The opposite surfaces of the front frame 51 and the rear frame 52 are respectively provided with a guide strip 53, and the guide strips 53 can shade or separate from the working area of the track 42; during the forward transport of the belt 20, the two guide strips 53 are brought close to each other to a set position, and the distance between the two guide strips 53 is smaller than the width of the belt 20; the guide strip 53 and the belt assembly 44 form the track 42 therebetween for belt transfer. The design of the guide strip 53 also provides a guiding function for the belt, which is introduced into the track 42 from the beginning, the direction of movement being adjusted in the subsequent process; the front frame 51 and the rear frame 52 are connected through the tension springs 92, the front frame and the rear frame can move back and forth conveniently to adjust the belts fed into the track, so that the belts can be better attached to the belt assembly for conveying, and meanwhile, the belts can be adjusted according to the width of the belts, so that the belt assembly is suitable for belts with various types and sizes.
The driving device for driving the front frame 51 and the rear frame 52 to move relative to each other is specifically as follows:
left and right sides of the front frame 51 and the rear frame 52 are respectively provided with a left sliding plate 54 and a right sliding plate 55, the left sliding plate 54/the right sliding plate 55 are driven by the second driving motor 32 to move up and down, and the left sliding plate 54 and the right sliding plate 55 are connected through a steel wire assembly; the left and right sides of the front and rear frames 51 and 52 are provided with fixing plates 56, the fixing plates 56 are provided with protrusions 561, and the sides of the left and right sliding plates 54 and 55 are provided with sliding rails 541 for the protrusions 561 to slide. As shown in fig. 11, the sliding rails are curved with a concave middle so that the left and right sliding plates 54 and 55 can cause the distance between the projections 561 on the front and rear frames 51 and 52 to be increased or decreased when moving up and down, thereby achieving the front and rear relative movement between the front and rear frames 51 and 52.
The steel wire assembly comprises a left wire wheel 571 and a right wire wheel 572 which are positioned above the left sliding plate 54 and the right sliding plate 55, steel wires 573 are arranged between the left wire wheel 571 and the right wire wheel 572 in a tensioning mode, and two ends of the steel wires 573 are respectively fixed with the left sliding plate 54 and the right sliding plate 55; the second driving motor 32 is provided with a gear box 321, the output end of the gear box 321 is provided with a first cam assembly, the first cam assembly comprises a fourth cam 64, the left slide plate 54/right slide plate 55 is provided with a fourth roller 542, and the fourth roller 542 reciprocates up and down under the driving of the fourth cam 64. The left sliding plate 54 and the right sliding plate 55 are synchronously moved up and down by one motor and one cam, so that the synchronism is high, and the cost is saved.
The front ends of the front frame 51 and the rear frame 52 are respectively expanded outwards to form an outwards-expanded leading-in port 50, and the leading-in port 50 faces the tail end of the feeding plate 41, so that the belt can conveniently enter the leading-in port after passing through the feeding plate; the upper part of the tail end of the feeding plate 41 is provided with a guide plate 58, the lower end of the guide plate 58 faces the inlet 50, the front end of the belt 20 enters the inlet 50 along the feeding plate 41 and then passes through the track 42 to advance along the guide plate 58 towards the inlet 50, and at the moment, the belt is conveyed along the track for one circle, so that the belt is wound on an object to be packaged. The fusion welding mechanism and the tape cutting mechanism are arranged between the inlet 50 and the tape guide plate 58.
The square frame-shaped installation part one side is equipped with vacuum device, and vacuum device includes fan 8, and fan 8 is with the air discharge in the square frame-shaped installation part, produces negative pressure and forms the class vacuum state to impel belt 20 to laminate better on track 42, and move under the drive of conveying drive group, belt assembly 44 is the belt, and the belt can let the belt get up to reduce and send the belt friction.
As shown in fig. 14, the belt assembly 44 includes an intermediate timing pulley 404 that receives the belt delivered by the previous timing pulley and transfers it to the next timing pulley; a plurality of synchronous belt grooves 402 are formed in the middle synchronous belt pulley; the synchronous belt 403 between the middle synchronous pulley and the former synchronous pulley and the synchronous belt 401 between the middle synchronous pulley and the latter synchronous pulley are arranged in the synchronous belt groove 402 at intervals, and the design ensures that the belt is transferred from the former synchronous belt to the next synchronous belt and can be smoothly transferred to form a loop; assuming that the belt covers only one synchronous belt in the previous transmission process, two synchronous belts are necessarily covered in the next transmission process; therefore, the width of the conveying belt covers at least two synchronous belts in a certain transfer process.
The frame is internally provided with a core seat 71, the core seat 71 is provided with a photoelectric sensing switch 713, the tightening mechanism, the fusion welding mechanism and the belt shearing mechanism, after the belt 20 moves along the track 42 for one circle, the tightening mechanism tightens the belt 20, and fuses and cuts the belt 20 through the fusion welding mechanism and the belt shearing mechanism.
The specific structure and the movement mode of the tightening mechanism are as follows:
as shown in fig. 5, the tightening mechanism includes a tightening motor 731, a tightening rocker 732, a tightening connecting plate 733, a tightening driving wheel 734 and a tightening pressing wheel 735, one end of the tightening connecting plate 733 is connected to the tightening rocker 732, the other end is connected to the tightening pressing wheel 735 through a connecting component, the tightening motor 731 is connected to the tightening driving wheel 734 and drives the tightening driving wheel to rotate, the feeding plate 41 is located between the tightening driving wheel 734 and the tightening pressing wheel 735, the slotted plate 45 and the feeding plate 41 are provided with second through slots 452, and the outer side of the tightening driving wheel 734 is located in the second through slots 452.
The second driving motor 32 is provided with a gear box 321, the output end of the gear box 321 is provided with a second cam assembly, the second cam assembly comprises a first cam 61, the binding rocker 732 is provided with a first roller 736, and the first roller 736 reciprocates under the driving of the first cam 61; when the first cam 61 drives the binding rocker 732 to move downwards, the binding rocker 732 drives the binding connecting plate 733 to move downwards, so that the binding pressing wheel 735 is driven to press the belt 20 on the feeding plate 41 downwards, meanwhile, the binding motor 731 drives the binding driving wheel 734 to rotate, and the belt is driven to move reversely under the action of the binding driving wheel 734 and the binding pressing wheel, so that the function of binding the belt is realized.
The specific structure and the movement mode of the belt shearing mechanism are as follows:
as shown in fig. 7 and 8, the tape cutting mechanism comprises a base 721 and a cutter 722 for cutting the tape 20, the fusion welding mechanism comprises a ironing head 723 for thermally fusing and adhering the tape 20, a front cutter 726 is arranged on the base 721 through an elastic component, and the front cutter 726 is positioned between the cutter 722 and the tail end of the feeding plate 41; a side slide plate 724 is arranged on the base 721, a slide rail 711 matched with the side slide plate 724 is arranged on the movement seat 71, and the slide plate 724 moves up and down in the slide rail 711; the cutter 722 is directly fixed on the upper end surface of the base 721 through a bolt, a gasket is pressed between the cutter 722 and the base, the ironing head 723 is an ultrasonic ironing head, the belt ironing is safe and reliable, preheating is not needed, the requirement on the belt is low, and the applicability is high; the ironing head 723 is arranged in the center of the base 721; the cutter 722 comprises a mounting seat 728 connected with the base 721 and a cutting edge 729 positioned at the upper end of the mounting seat 728, and a through hole 720 for the upper end of the ironing head 723 to penetrate is formed in the mounting seat 728; the front knife 726 is provided with a guide hole 727 through which the belt 20 passes, and the tail end of the feeding plate 41 extends into the guide hole 727 so as to feed the belt 20 into the guide hole 727; the elastic component comprises a screw rod 75 and a spring 76 sleeved outside the screw rod 75, and the upper end and the lower end of the screw rod 75 are respectively connected with the front knife 726 and the base 721.
The second driving motor 32 is provided with a gear box 321, the output end of the gear box 321 is provided with a second cam assembly, the second cam assembly comprises a third cam 63 coaxially arranged with the first cam 61, the side sliding plate 724 is connected with a third roller 725, and the third roller 725 reciprocates up and down under the driving of the third cam 63, so as to drive the base 721 on the side sliding plate 724 to move up and down.
As shown in fig. 6, the core holder 71 is provided with a movable upper slide 741 and a sliding assembly for driving the upper slide 741 to move, and the upper slide 741 is located above the cutter 722 and the ironing head 723 and is used for assisting in compacting the tape, so that the tape is conveniently processed by the ironing head and the cutter. The sliding component comprises a sliding plate rocker arm 742, a rocker arm shaft 743 and a sliding plate control rod 744, the upper end of the sliding plate rocker arm 742 is connected with the upper sliding plate 741, the lower end of the sliding plate rocker arm 742 and the lower end of the sliding plate control rod 744 are sleeved outside the rocker arm shaft 743, the second cam component comprises a second cam 62, a second roller 745 is arranged on the sliding plate control rod 744, and the second roller 745 reciprocates under the drive of the second cam 62. After the tape winds for one circle along the track, the tape continuously advances along the lower end of the conduction band plate 58, and when the tape advances to the upper part of the ironing head and the cutter and the lower part of the upper slide plate 741, the cam 63 drives the whole three-cutter structure (the front cutter 726, the cutter 722 and the ironing head 723) to ascend; at this time, the front knife 726 pushes the belt against the lower side of the upper slide plate 741 at first, then the tightening mechanism withdraws the belt (the withdrawn belt is the belt penetrating into the guide hole 727 on the front knife 726), after the belt withdraws a set distance, the cam 63 continues to rotate until the ultrasonic ironing head presses the upper and lower belts against the lower side of the upper slide plate 741, the ultrasonic ironing head is started and the upper and lower belts are ironed into a whole, and the ultrasonic ironing head stops working; the cam 63 continuously drives the three-blade structure to ascend, the cutter 722 cuts off the belt, the cam 63 rotates through the highest point, the three-blade structure descends to reset, and the upper slide plate 741 moves out; at this time, the belt is completely wrapped on the product, and after the product is taken away, the upper sliding plate returns to the initial position for the next bundling.
As shown in fig. 5, the cartridge base 71 is provided with a positioning rod 712, and the binding rocker 732 and the base 721 are connected to the positioning rod 712 by a tension spring 83, so that the binding rocker 732 and the base 721 are convenient to reset.
The machine frame is internally provided with a belt conveying rocker 771, the belt conveying rocker 771 is provided with a rubber wheel 772, the rubber wheel 772 is positioned above the feeding plate 41, and the belt conveying rocker 771 is connected with the machine frame 1 through a tension spring 84; the belt feeding rocker 771 is provided with an adjusting plate 773, one end of the adjusting plate 773 is connected with the tension spring 84, the other end of the adjusting plate 773 is provided with a shaft sleeve, the rubber wheel 772 is sleeved on the shaft sleeve, the belt feeding rubber wheel is located above the driving roller 33, and the belt is matched with the driving roller 33 to be conveyed forwards along the feeding plate 41.
The working principle of the invention is as follows:
after the belt tightening device is started, the driving roller 33 is driven by the first driving motor 31 to rotate, meanwhile, the belt is conveyed forwards along the feeding plate 41 by matching with the rubber wheel 772, the front end of the belt passes through the tail end of the feeding plate 41 and then enters the track 42 along the leading-in port 50, the first driving motor 31 is connected with and drives the driving wheel 43 to rotate through the belt transmission group 34, so that the belt is driven to move in the track, in the process, the front frame 51 and the rear frame 52 are driven by the second driving motor 32, the left sliding plate 54 and the right sliding plate 55 to move so as to adapt to the belt and stabilize the belt to convey in the track, after the belt bypasses one circle along the track, the belt enters the lower end of the guiding plate 58 to cover the upper part of the lower layer of belt, and after the belt tightening mechanism is sensed by the system, the belt tightening mechanism is started to tighten the belt, and the object encircling tightening work is completed.
The invention is provided with the covering parts, the channel can adaptively change along with the belts according to the relative movement between the covering parts, so that the belts can be transported in the channel better, the transportation accuracy and efficiency are improved, and the belt can adapt to belts with different widths.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (8)
1. The utility model provides a loop mechanism of strapper which is characterized in that the utility model comprises
A plurality of driving wheels which are arranged on the frame of the belt binding machine;
a belt assembly wound between the driving wheels to form a track for transferring the belt;
vacuum means for adsorbing the tape to the surface of the belt assembly;
a belt guide assembly including at least one movable cover member having an operative position and an open position, the cover member being in the operative position and covering at least a portion of the track during forward transport of the belt, the track and cover member cooperating to form a passageway for the belt to pass and limit removal thereof; the cover part is in an open position and does not cover the track during tightening of the strap backwards so that the strap can be detached from the track;
the tightening device is used for reversely tightening the binding belt and tightly binding a loop formed by the binding belt on a product to be bound;
the tape storage mechanism is used for storing the tape and comprises a tape storage bin;
a feed plate for transporting the tape from the tape storage bin into the track;
the covering part comprises a front frame and a rear frame, wherein the opposite surfaces of the front frame and the rear frame are respectively provided with a guide strip, and the guide strips can shade or separate from a working area of a track; the two guide strips and the belt assembly enclose the track for belt transmission;
during the forward conveying of the belt, the two guide strips are close to each other to a set position, and the distance between the two guide strips is smaller than the width of the belt; during the backward tightening of the strap by the tightening mechanism, the two strap bars are away from each other and away from the working area of the track;
the belt storage bin is provided with a plurality of upper layer rollers and movable rollers at intervals, the belt passes through the upper layer rollers and the movable rollers to form a winding, and when the movable rollers move upwards to a set position, the position of the movable rollers in the belt storage bin is higher than the upper layer rollers; the inner side of the belt storage bin is provided with a belt storage connecting rod, the belt storage connecting rod comprises a rotating rod and an auxiliary connecting rod which are connected with each other, and the movable rollers are arranged on the auxiliary connecting rod, so that the movable rollers can synchronously move in the moving groove; the rotating rod is rotatably arranged on the frame, and the rotating rod and the auxiliary connecting rod are arranged at a certain angle; the rotating rod is provided with a limit groove, a limit rod is arranged in the limit groove, a limit piece is arranged on the rack, a tension spring is arranged between the limit piece and the limit rod, and when the rotating rod is positioned at the uppermost position, the tension spring gives an upward tension force to the belt storage connecting rod greater than the gravity force of the belt storage connecting rod and the movable roller; when the rotating rod is positioned at the lowest position, the tension spring gives downward tension to the belt storage connecting rod, so that the belt can be stored again after being used.
2. The looping mechanism of a strapping machine in accordance with claim 1 wherein: the front frame and the rear frame are respectively arranged at the front side and the rear side of the track, and can be mutually close to or far away from each other under the action of the driving device.
3. The looping mechanism of a strapping machine in accordance with claim 2 wherein: the driving device is as follows: the left side and the right side of the front frame and the rear frame are provided with fixing plates, the fixing plates are provided with protruding blocks, the left side and the right side of the front frame and the rear frame are movably provided with left sliding plates and/or right sliding plates, and the side edges of the left sliding plates and the right sliding plates are provided with sliding tracks for the protruding blocks to slide in or slide out; the front frame and the rear frame are reset through tension springs.
4. The loop mechanism of a strapping machine as set forth in claim 3 wherein: the driving device further comprises a second driving motor, a gear box is arranged on the second driving motor, a first cam assembly is arranged at the output end of the gear box, the first cam assembly comprises a fourth cam, a fourth roller is arranged on the left sliding plate/the right sliding plate, and the fourth roller reciprocates under the driving of the fourth cam.
5. A looping mechanism of a banding machine as claimed in claim 2 or 3, characterized in that: the left slide and the right slide are connected through a steel wire assembly, the steel wire assembly comprises a left wire wheel and a right wire wheel which are positioned above the left slide and the right slide, a steel wire is tensioned between the left wire wheel and the right wire wheel, and two ends of the steel wire are respectively fixed with the left slide and the right slide.
6. The loop mechanism of a banding machine as set forth in any one of claims 2 to 4, wherein: the front end of the front frame and the front end of the rear frame are provided with outwards-unfolded guide inlets, a feeding plate for conveying the belt into the track is arranged in the rack, and the guide inlets face the tail ends of the feeding plate; a guide belt plate is arranged above the tail end of the feeding plate, the lower end opening of the guide belt plate faces the inlet, the front end of the belt enters the inlet along the feeding plate and then advances along the guide belt plate towards the inlet after passing through the track; and a fusion welding mechanism and a belt shearing mechanism are arranged between the guide inlet and the belt guiding plate.
7. The looping mechanism of a strapping machine in accordance with claim 1 wherein: the belt assembly comprises an intermediate synchronous pulley, and the intermediate synchronous pulley receives the belt conveyed by the previous synchronous pulley and transmits the belt to the next synchronous pulley; a plurality of synchronous belt grooves are arranged on the middle synchronous belt pulley; the synchronous belt between the middle synchronous pulley and the former synchronous pulley and the synchronous belt between the middle synchronous pulley and the latter synchronous pulley are arranged in the synchronous belt groove at intervals.
8. The looping mechanism of a banding machine as claimed in claim 1 or 2, characterized in that: the tightening device comprises a tightening motor, a tightening rocker, a tightening connecting plate, a tightening driving wheel and a tightening pinch roller, wherein one end of the tightening connecting plate is connected to the tightening rocker, the other end of the tightening connecting plate is connected with the tightening pinch roller through a connecting component, the tightening motor is connected with the tightening driving wheel, and the tightening driving wheel and the tightening pinch roller are respectively positioned at two sides of the feeding plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859334X | 2020-08-24 | ||
| CN202010859334 | 2020-08-24 |
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| Publication Number | Publication Date |
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| CN112278964A CN112278964A (en) | 2021-01-29 |
| CN112278964B true CN112278964B (en) | 2023-08-15 |
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Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011120420.5A Active CN112278965B (en) | 2020-08-24 | 2020-10-19 | Belting machine |
| CN202022333114.1U Active CN214190245U (en) | 2020-08-24 | 2020-10-19 | Looping mechanism of banding machine |
| CN202022335505.7U Active CN214190246U (en) | 2020-08-24 | 2020-10-19 | Belt storage mechanism of belt binding machine |
| CN202022335504.2U Active CN213832231U (en) | 2020-08-24 | 2020-10-19 | Machine core control system of banding machine |
| CN202022331930.9U Active CN214190243U (en) | 2020-08-24 | 2020-10-19 | Feeding looping mechanism of bundling machine |
| CN202022333071.7U Active CN214190244U (en) | 2020-08-24 | 2020-10-19 | Control device of bundling machine loop mechanism |
| CN202011118837.8A Active CN112278964B (en) | 2020-08-24 | 2020-10-19 | Looping mechanism of banding machine |
Family Applications Before (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011120420.5A Active CN112278965B (en) | 2020-08-24 | 2020-10-19 | Belting machine |
| CN202022333114.1U Active CN214190245U (en) | 2020-08-24 | 2020-10-19 | Looping mechanism of banding machine |
| CN202022335505.7U Active CN214190246U (en) | 2020-08-24 | 2020-10-19 | Belt storage mechanism of belt binding machine |
| CN202022335504.2U Active CN213832231U (en) | 2020-08-24 | 2020-10-19 | Machine core control system of banding machine |
| CN202022331930.9U Active CN214190243U (en) | 2020-08-24 | 2020-10-19 | Feeding looping mechanism of bundling machine |
| CN202022333071.7U Active CN214190244U (en) | 2020-08-24 | 2020-10-19 | Control device of bundling machine loop mechanism |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278965B (en) * | 2020-08-24 | 2023-09-15 | 台州旭田包装机械有限公司 | Belting machine |
| CN113955565A (en) * | 2021-10-25 | 2022-01-21 | 苍南县凌峰包装机械有限公司 | Splitting machine |
| CN114044215B (en) * | 2021-11-24 | 2023-08-04 | 台州旭田包装机械有限公司 | Belting machine |
| CN114933045A (en) * | 2022-06-10 | 2022-08-23 | 浙江永创机械有限公司 | Binding machine |
| CN115783368B (en) * | 2023-02-07 | 2023-04-28 | 昆明华信金属材料制造有限公司 | Steel coil packing device with function of preventing packaging raw materials from being damaged |
| CN118025562B (en) * | 2024-04-10 | 2024-06-18 | 珠海博杰电子股份有限公司 | Belt shearing mechanism |
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| JP5351429B2 (en) * | 2008-04-03 | 2013-11-27 | 大洋精機株式会社 | Tape bundling device |
| CN103922175B (en) * | 2014-04-10 | 2016-09-14 | 海安纺织机械有限公司 | A kind of cloth-rolling device in textile machine |
| CN206984471U (en) * | 2017-06-19 | 2018-02-09 | 长春职业技术学院 | Vegetables baling press |
| CN207250446U (en) * | 2017-07-19 | 2018-04-17 | 常熟开关制造有限公司(原常熟开关厂） | Thermal release device and the breaker using the device |
| CN209972845U (en) * | 2019-03-20 | 2020-01-21 | 台州旭田包装机械有限公司 | Belt binding machine with belt storage mechanism |
| CN210364499U (en) * | 2019-06-20 | 2020-04-21 | 台州旭田包装机械有限公司 | Belt binding machine |
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- 2020-10-19 CN CN202011120420.5A patent/CN112278965B/en active Active
- 2020-10-19 CN CN202022333114.1U patent/CN214190245U/en active Active
- 2020-10-19 CN CN202022335505.7U patent/CN214190246U/en active Active
- 2020-10-19 CN CN202022335504.2U patent/CN213832231U/en active Active
- 2020-10-19 CN CN202022331930.9U patent/CN214190243U/en active Active
- 2020-10-19 CN CN202022333071.7U patent/CN214190244U/en active Active
- 2020-10-19 CN CN202011118837.8A patent/CN112278964B/en active Active
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| CN101774434A (en) * | 2010-02-11 | 2010-07-14 | 瑞安市华达机械有限公司 | Negative pressure type tying band conveyer of tying band machine |
| CN204846434U (en) * | 2015-07-02 | 2015-12-09 | 台州旭田包装机械有限公司 | Be fit for using banding machine in thin area |
| TWM522914U (en) * | 2016-02-23 | 2016-06-01 | Fang Sealing Machine Ltd Y | Strap positioning device of strapping machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112278964A (en) | 2021-01-29 |
| CN112278965A (en) | 2021-01-29 |
| CN112278965B (en) | 2023-09-15 |
| CN214190245U (en) | 2021-09-14 |
| CN214190243U (en) | 2021-09-14 |
| CN214190246U (en) | 2021-09-14 |
| CN213832231U (en) | 2021-07-30 |
| CN214190244U (en) | 2021-09-14 |
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