CN214190244U

CN214190244U - Control device of bundling machine loop mechanism

Info

Publication number: CN214190244U
Application number: CN202022333071.7U
Authority: CN
Inventors: 林旭斌
Original assignee: Taizhou Xutian Packaging Machinery Co ltd
Current assignee: Taizhou Xutian Packaging Machinery Co ltd
Priority date: 2020-08-24
Filing date: 2020-10-19
Publication date: 2021-09-14
Anticipated expiration: 2030-10-19
Also published as: CN112278964A; CN213832231U; CN214190246U; CN112278964B; CN214190243U; CN214190245U; CN112278965B; CN112278965A

Abstract

The utility model belongs to the technical field of packaging belt packaging machines, in particular to a control device of a banding machine looping mechanism, which comprises a driving wheel, a belt component and a conduction band frame component; the driving wheel comprises a main driving wheel and a secondary driving wheel, the main driving wheel and the secondary driving wheel are connected through a belt assembly to form a track, and a first driving motor for driving the main driving wheel to rotate is connected to the main driving wheel; the guide belt frame assembly comprises a front frame and a rear frame, and the front frame and the rear frame can be close to or far away from each other under the action of a driving device; the driving device comprises fixing plates arranged on the left side and the right side, the fixing plates are provided with lugs, the left side and the right side of the front frame and the rear frame are movably provided with a left sliding plate and/or a right sliding plate, and the side edges of the left sliding plate and the right sliding plate are provided with sliding rails; the front frame and the rear frame are reset through a tension spring. The utility model discloses a control sets up preceding frame and after-frame on the knot mechanism and is close to or keeps away from each other for the belt can carry out adaptability to the passageway of belt transportation in the track process of advancing.

Description

Control device of bundling machine loop mechanism

Technical Field

The utility model belongs to the technical field of the wrapping tape baling press, concretely relates to controlling means of bundling machine loop knot mechanism.

Background

The strapping machine is a common packaging device, and can automatically wind a belt on an article only by placing the article in a working frame of the strapping machine, and then perform the winding and cutting operations on the wound belt.

Patent number PCT/NL95/00035 discloses a banding machine for banding products, the device having a tape storage mechanism, a loop mechanism, a fusion welding mechanism, a tape cutting mechanism, etc.; wherein, the loop mechanism adopts belt transmission and combines a fan vacuum pumping mode to transmit the belt; the main defects of the belt bundling machine are as follows: the conduction band frame arranged on the loop mechanism for guiding the band to be transmitted and looped cannot be adjusted according to the actual condition of the band, so that the use is limited, and the transmission is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a controlling means of bundling machine loop knot mechanism sets up preceding frame and after-frame through control and is close to or keeps away from each other mutually in the loop knot mechanism for the belt can carry out adaptability to the passageway of belt transportation in-process advances at the track and adjust, makes the belt transmit better and encircle, also can adapt to various belts, strong adaptability.

The purpose of the utility model is realized like this:

a control device of a banding machine loop mechanism comprises a driving wheel, a belt component and a conduction band frame component; the driving wheel comprises a main driving wheel and a secondary driving wheel, the main driving wheel and the secondary driving wheel are connected through the belt assembly to form a track, and the main driving wheel is connected with a first driving motor for driving the main driving wheel to rotate; the guide belt frame assembly comprises a front frame and a rear frame, the front frame and the rear frame are respectively arranged on the front side and the rear side of the track, and the front frame and the rear frame can be close to or far away from each other under the action of a driving device; the driving device comprises fixing plates arranged on the left side and the right side of the front frame and the rear frame, the fixing plates are provided with lugs, the left side and the right side of the front frame and the rear frame are movably provided with a left sliding plate and/or a right sliding plate, and the side edges of the left sliding plate and the right sliding plate are provided with sliding rails for the lugs to slide in or out; the front frame and the rear frame are reset through a tension spring.

The driving device further comprises a second driving motor, a gear box is arranged on the second driving motor, a cam is arranged at the output end of the gear box, a roller is arranged on the left sliding plate/the right sliding plate, and the roller is driven by the cam to reciprocate.

It is further provided that the cover portion has an operative position in which it covers at least a portion of the track and an open position in which the track and cover portion cooperate to form a channel for the strap to pass through and restrict its removal; the cover assembly does not cover the track when in the open position so that the strap can be disengaged from the track.

It is further provided that the width of the uncovered portion track is less than the width of the strap to be delivered when the cover portion is in the operative position.

The opposite surfaces of the front frame and the rear frame are provided with guide belt strips, and the guide belt strips can shield or separate from a working area of the track; the two guide belts approach each other to a set position during the forward conveying process of the belt, and the distance between the two guide belts is smaller than the width of the belt; the two guide belt strips and the belt assembly enclose the channel for the belt to pass through.

Further set up as, link to each other through the steel wire subassembly between left side slide and the right slide, the steel wire subassembly is taken turns including the left side line that is located left side slide and right slide top and takes turns with the right side line, and the tensioning is equipped with the steel wire between left side line takes turns and takes turns with the right side line, and the both ends of steel wire are fixed with left side slide and right slide respectively.

The belt component further comprises a middle synchronous belt wheel, and the middle synchronous belt wheel receives the belt conveyed by the previous synchronous belt wheel and transmits the belt to the next synchronous belt wheel; the middle synchronous belt wheel is provided with a plurality of synchronous belt grooves; the synchronous belts between the middle synchronous pulley and the previous synchronous pulley and the synchronous belts between the middle synchronous pulley and the next synchronous pulley are arranged in the synchronous belt groove at intervals.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses be provided with conduction band frame subassembly, conduction band frame subassembly is including setting up preceding frame and the after-frame in the track both sides, and the left and right sides of preceding frame and after-frame is equipped with the fixed plate, is equipped with the lug on the fixed plate, left side slide and right slide side are seted up and are supplied the gliding slip track of lug, and when left slide and right slide removed under the drive arrangement drive, the lug removed in the slip track to frame and after-frame remove before driving, make the belt advance the in-process in the track and can carry out adaptability to the passageway of belt transportation and adjust, the belt can transmit and encircle better, also can adapt to various belts, strong adaptability, mechanical control removes accurately.

Drawings

FIG. 1 is a schematic view of a belt binding machine according to the present invention;

FIG. 2 is a schematic view of the internal structure of a frame of the banding machine of the present invention;

FIG. 3 is a schematic view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

fig. 5 is a schematic view of a connection structure between the front frame and the rear frame of the present invention;

FIG. 6 is a second simplified structural diagram of the present invention;

FIG. 7 is a partial enlarged view of FIG. 6 at B;

fig. 8 is a structural diagram of the rail entrance of the present invention.

Detailed Description

The invention will be described in detail with reference to the accompanying drawings, which are shown in fig. 1-8:

as shown in fig. 1 and 2, the banding machine includes a frame 1, a belt storage mechanism 2 (for storing the belt 20 and supplying the belt 20 to the loop mechanism when necessary) provided at the front side of the frame 1, a loop mechanism provided inside (for advancing the belt 20 along an annular rail 42 and forming an end-to-end loop), a tightening mechanism (for reversely tightening the belt 20 and tightly binding the loop formed by the belt 20 to a product to be banded), a welding mechanism (for welding the end and the tail of the loop together), a belt cutting mechanism (for cutting the belt 20 still connected except the loop), and a control system for controlling the above mechanisms.

An inlet 17 for a belt to enter is formed in the side face of the rack 1, a square frame-shaped mounting part 10 is arranged on a workbench of the rack 1, a control screen 18 is arranged on the front side of the workbench, an object to be banded 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 which are used for conveying the belt 20 into the track 42, the outer end of the belt 20 enters the feeding plate 41 through the belt storage mechanism, the feeding plate 41 drives the belt 20 to enter the loop mechanism under the driving of the driving mechanism, the loop mechanism winds the belt on an object to be banded and tightly binds the belt through the tightening mechanism, the fusion welding mechanism fuses the belt and cuts off the belt through the belt cutting mechanism to complete the belt work, the whole process is mechanically controlled, and the working efficiency is high.

A specific structure of the loop mechanism is introduced: the looping mechanism comprises a feeding plate 41, a track 42 arranged in a frame-shaped mounting part above a rack workbench, a transmission driving set and a vacuum device for adsorbing the belt 20 on the surface of a belt assembly 44, wherein the transmission driving set comprises a plurality of transmission wheels 43 and the belt assembly 44 which is wound between the transmission wheels 43 and can transmit the belt; the rack is obliquely provided with a slotted plate 45, the feeding plate 41 is arranged on the slotted plate 45, and the front end of the feeding plate 41 is bent upwards to form a guide surface, so that the belt can be conveniently guided to enter the feeding plate 41 and then enter the conveying mechanism.

The belt component 44 is sleeved between the five driving wheels to form the track 42.

The control device for controlling the loop mechanism has the specific structure that: as shown in fig. 3, the main transmission wheel 431 is connected with a first driving motor 31 for driving the main transmission wheel to rotate, the outer end of the motor shaft of the first driving motor 31 is further provided with a belt transmission set 34, the belt transmission set 34 comprises a driving wheel 341 and a driven wheel 342 connected by a belt, and the driving wheel 341 is driven by the first driving motor 31 to rotate; the driven pulley 342 is connected to and drives the main drive pulley 431 at the entrance of the track 42 to rotate, thereby driving the belt assembly and the driven pulleys to rotate, and enabling the belt to be transported in the track 42.

A belt guide frame assembly is arranged in the looping mechanism, the rail 42 and the conveying driving group are arranged in the belt guide frame assembly, the belt guide frame assembly at least comprises a movable covering part, the covering part is provided with a working position and an opening position, the covering part is arranged in the working position and at least covers a part of the rail 42 in the forward conveying process of the belt 20, and the rail 42 and the covering part are matched to form a channel for conveying the belt 20 and limiting the belt to be separated; the width of the uncovered portion track 42 is less than the width of the strap 20 to be delivered when the cover portion is in the operative position. Thus, when the belt is positioned in the channel, the belt can be prevented from falling off during transportation due to the blocking of the covering part.

During the rearward tightening of the strap 20, the cover assembly is in the open position and does not cover the track 42 so that the strap 20 can be disengaged from the track 42 to be tightened around the object to be wrapped.

Specifically, the covering member includes a front frame 51 and a rear frame 52 provided on both sides of the rail 42, the front frame 51 being movable forward and backward relative to the rear frame 52 (the front frame 51 and the rear frame 52 are moved toward and away from each other by the driving means), and the front frame 51 and the rear frame 52 being moved toward each other and covering a part of the rail 42 during the forward transfer of the belt 20; during the process of tightening the strap 20 backwards, the front frame 51 and the rear frame 52 move away from each other and disengage from the working area of the rail 42. The opposite surfaces of the front frame 51 and the rear frame 52 are provided with guide belt strips 53, and the guide belt strips 53 can block or separate from the working area of the track 42; during the forward conveying process of the belt 20, the two belt guide strips 53 approach each other to a set position, and the distance between the two belt 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 tape transfer. The design of the strap 53 can also guide the strap, introduce it into the track 42 from the beginning, adjust the direction of movement in the subsequent process; as shown in figure 5, the front frame 51 is connected with the rear frame 52 through a tension spring 92, and the front and rear movement of the front frame and the rear frame facilitates the adjustment of the belts fed into the tracks, 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 belts are suitable for various types and sizes of belts.

The driving device for driving the front frame 51 and the rear frame 52 to move relative to each other is specifically as follows:

the left side and the right side 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 move up and down under the driving of the second driving motor 32, and the left sliding plate 54 and the right sliding plate 55 are connected through a steel wire component; fixing plates 56 are arranged on the left and right sides of the front frame 51 and the rear frame 52, a bump 561 is arranged on the fixing plates 56, and a sliding track 541 for the bump 561 to slide is arranged on the side edges of the left sliding plate 54 and the right sliding plate 55. As shown in fig. 7, the sliding track is arc-shaped with a concave center, so that the left and right

sliding plates

54 and 55 can cause the distance between the protrusions 561 on the front and

rear frames

51 and 52 to be larger or smaller when moving up and down, thereby realizing the front and rear relative movement between the front and

rear frames

51 and 52; the shape of the slide rail may also be an inclined straight or curved shape, the purpose of which is to convert the up-and-down movement of the left slider 54/right slider 55 into the forward-and-backward movement of the front frame 51 and rear frame 52 in order to urge the projection 561, which is located on the front frame 51 and rear frame 52, toward and away from each other.

As shown in fig. 6, the wire assembly includes 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, a wire 573 is tensioned between the left wire wheel 571 and the right wire wheel 572, and both ends of the wire 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 cam 64, the left sliding plate 54/the right sliding plate 55 is provided with a roller 542, and the roller 542 is driven by the cam 64 to reciprocate up and down. The left sliding plate 54 and the right sliding plate 55 can synchronously move up and down through a motor and a cam, and the synchronism is high and the cost is saved.

As shown in fig. 6 and 8, the front ends of the front frame 51 and the rear frame 52 are respectively expanded outwards to form an outward-spreading introduction port 50, and the introduction port 50 faces the tail end of the feeding plate 41, so that the tapes can conveniently enter the introduction port after passing through the feeding plate; the upper part of the tail end of the feeding plate 41 is provided with a guide belt plate 58, the lower end of the guide belt plate 58 is opened towards the introducing port 50, the front end of the belt 20 enters the introducing port 50 along the feeding plate 41, passes through the track 42 and then advances towards the introducing port 50 along the guide belt plate 58, and the belt is conveyed by one turn along the track to complete the winding of the belt on the object to be packaged.

The vacuum device is arranged on one side of the square frame-shaped installation part and comprises a fan 8, the fan 8 discharges air in the square frame-shaped installation part to generate negative pressure to form a vacuum-like state, so that the belt 20 can be better attached to the rail 42 and moves under the driving of the conveying driving group, and the belt assembly 44 is a belt which can move to reduce belt conveying friction.

As shown in fig. 4, 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 arranged on the middle synchronous belt wheel; the synchronous belt 403 between the middle synchronous pulley and the previous synchronous pulley and the synchronous belt 401 between the middle synchronous pulley and the next synchronous pulley are arranged in the synchronous belt groove 402 at intervals, and the design enables the belt to be transmitted from the previous synchronous belt to the next synchronous belt and to be smoothly transmitted to form a loop knot; if the belt only covers 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 during a certain transfer.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A control device of a banding machine loop mechanism is characterized by comprising

The belt guide device comprises a driving wheel, a belt assembly and a belt guide frame assembly;

the driving wheel comprises a main driving wheel and a plurality of secondary driving wheels, the main driving wheel and the plurality of secondary driving wheels are connected through the belt assembly to form a track, and the main driving wheel is connected with a first driving motor for driving the main driving wheel to rotate;

the guide belt frame assembly comprises a front frame and a rear frame, the front frame and the rear frame are respectively arranged on the front side and the rear side of the track, and the front frame and the rear frame can be close to or far away from each other under the action of a driving device;

the driving device comprises fixing plates arranged on the left side and the right side of the front frame and the rear frame, the fixing plates are provided with lugs, the left side and the right side of the front frame and the rear frame are movably provided with a left sliding plate and/or a right sliding plate, and the side edges of the left sliding plate and the right sliding plate are provided with sliding rails for the lugs to slide in or out; the front frame and the rear frame are reset through a tension spring.

2. The control device of the belt bundling machine ring-knot mechanism according to claim 1, characterized in that: the driving device further comprises a second driving motor, a gear box is arranged on the second driving motor, a cam is arranged at the output end of the gear box, a roller is arranged on the left sliding plate/the right sliding plate, and the roller is driven by the cam to reciprocate.

3. The control device of the belt bundling machine ring-knot mechanism according to claim 1, characterized in that: the belt guide frame assembly comprises at least one movable cover part, the cover part has a working position and an opening position, the cover part at least covers a part of the track when in the working position, and the track and the cover part are matched to form a channel for the belt to transfer and limit the belt to be separated; the cover portion does not cover the track when in the open position so that the strap can be disengaged from the track.

4. The control device of the belt bundling machine ring-knot mechanism according to claim 3, characterized in that: the width of the uncovered portion track is less than the width of the strap to be delivered when the cover portion is in the operative position.

5. The control device of the belt bundling machine ring-knot mechanism according to claim 4, characterized in that: the opposite surfaces of the front frame and the rear frame are provided with guide belt strips, and the guide belt strips can shield or separate from a working area of the track; the two guide belts approach each other to a set position during the forward conveying process of the belt, and the distance between the two guide belts is smaller than the width of the belt; the two guide belt strips and the belt assembly enclose the channel for the belt to pass through.

6. The control device of the belt bundling ring mechanism according to any one of claims 1 to 5, wherein: the left sliding plate and the right sliding plate are connected through the steel wire assembly, the steel wire assembly comprises a left wire wheel and a right wire wheel which are positioned above the left sliding plate and the right sliding plate, a steel wire is arranged between the left wire wheel and the right wire wheel in a tensioning mode, and two ends of the steel wire are fixed with the left sliding plate and the right sliding plate respectively.

7. The control device of the belt bundling ring mechanism according to any one of claims 1 to 5, wherein: the belt component comprises a middle synchronous belt wheel, and the middle synchronous belt wheel receives the belt conveyed by the previous synchronous belt wheel and transmits the belt to the next synchronous belt wheel; the middle synchronous belt wheel is provided with a plurality of synchronous belt grooves; the synchronous belts between the middle synchronous pulley and the previous synchronous pulley and the synchronous belts between the middle synchronous pulley and the next synchronous pulley are arranged in the synchronous belt groove at intervals.