CN209650711U - A kind of packaging bag on automatic packaging machine flattens positioning device - Google Patents

Abstract

The utility model relates to the packaging bags on a kind of automatic packaging machine to flatten positioning device, including screw rod, servo motor, wave connection component, flatten positioning component, the flattening positioning component is located at the front side for waving connection component, the flattening positioning component includes fixed plate, two bent plates, swing rod, support, symmetrically arranged first connecting rod there are two being respectively articulated in the fixed plate, the hinged bent plate in the one end of each first connecting rod far from fixed plate, the rear side of each bent plate is equipped with a push-pull rod, and one end of push-pull rod is fixedly connected with corresponding bent plate, the other end of push-pull rod and one end of swing rod are articulated and connected.The utility model swings up and down two bent plates by waving connection component, closes up and separating action so that curved boom on two bent plates be made to be formed, plays the flattening positioning action to packing bag mouth.

Description

A kind of packaging bag on automatic packaging machine flattens positioning device

Technical field

The utility model relates to packaging bag enclosing equipment technical fields, and in particular to the packaging on a kind of automatic packaging machine Bag flattening positioning device.

Background technique

Packaging bag is sealed after filling material, however due to causing to wrap when packaging bag is packed into material before sealing The height of the out-of-flatness and two side pocket walls that pack sack is inconsistent, causes to keep sack uneven when packaging bag enclosing, influences beauty And seal quality, therefore a kind of equipment that can be corrected packing bag mouth and flatten it is needed between sealing, and the prior art In be by manual hand manipulation to the equipment of packaging bag flattening positioning, cumbersome, labor intensity is high, the degree of automation It is low, thus be badly in need of it is a kind of before packaging bag enters sealing process can automatic straightening sack make its flatten device.

Utility model content

In order to solve the problems existing in the prior art, the utility model provides the packaging bag flattening on a kind of automatic packaging machine Positioning device swings up and down two bent plates by waving connection component, thus make curved boom on two bent plates formed close up with Separating action plays the flattening positioning action to packing bag mouth.

In order to achieve the above purposes, the technical solution adopted by the utility model is:

A kind of packaging bag on automatic packaging machine flattens positioning device, including screw rod, servo motor, further includes the company of waving Connected components, flattening positioning component, the flattening positioning component are located at the front side for waving connection component, the flattening positioning group Part includes fixed plate, two bent plates, swing rod, supports, is respectively articulated in the fixed plate there are two symmetrically arranged first connecting rod, The hinged bent plate in the one end of each first connecting rod far from fixed plate, the rear side of each bent plate are equipped with a push-and-pull Bar, and one end of push-pull rod is fixedly connected with corresponding bent plate, the other end of push-pull rod and one end of swing rod are articulated and connected, institute The other end and the support for stating swing rod are hinged, spacing are equipped between two bent plates and along the vertical centerline of fixed plate in symmetrical Setting, two bent plates are respectively fixed with the curved boom being symmetrical set far from one end of first connecting rod, adjusting are cased on the screw rod Casing, the swing rod, adjusting sleeve pipe with it is described wave connection component connect realization swing up and down and move, the screw rod is located at The underface of two bent plates is fixed with the supporting plate of V-shaped slot structure, the supporting plate bottom of the screw rod side at the top of the screw rod It is fixed with limit slide bar, slidably connects limit sliding sleeve on the outside of the limit slide bar.

In any of the above-described scheme preferably, the swing rod and support are located at the intermediate position on rear side of two bent plates, institute State the rear side that support is located at swing rod.

In any of the above-described scheme preferably, the lower section waved connection component and be located at the swing rod.

In any of the above-described scheme preferably, the connection component that waves includes the first fixing axle, the second fixing axle, institute It states and is rotatably connected to the first rocker arm in the first fixing axle, one end of first rocker arm is hinged with flattening pull rod and second connecting rod, Described flattening pull rod one end and the swing rod far from the first rocker arm are hinged, and the second connecting rod is located under the flattening pull rod Side, second fixing axle are located at the lower section of the first fixing axle side, are rotatably connected to the second rocker arm in second fixing axle, One end of second rocker arm and the adjusting sleeve pipe are hinged, and the other end and the second connecting rod of second rocker arm are hinged.

In any of the above-described scheme preferably, cam, the cam position are connected on the output shaft of the servo motor It is contacted above the described one end of first rocker arm far from screw rod, and at the top of the bottom of cam and first rocker arm.

In any of the above-described scheme preferably, the fixed plate, the first fixing axle, the second fixing axle, support, servo electricity Machine, limit sliding sleeve are in fixed state.

Compared with prior art, the packaging bag flattening positioning device on automatic packaging machine provided by the utility model has Below the utility model has the advantages that

1, it drives two bent plates to move up and down screw rod while swinging up and down by waving connection component, not only makes two Curved boom formation on bent plate is closed up and separating action, and packaging is put under the mating reaction of screw rod and bent plate, when closing up curved boom In bag, when separation, contacts simultaneously with the both ends of packaging bag, the packaging for not only flattening packing bag mouth, but also offsetting position Bag can adjust automatically, realize flattening, positioning, determine Gao Gongneng；

2, supporting plate is designed as the structure of V-groove, makes packaging bag packaging bag automatic adjustment and Ding Gao when placing on supporting plate；

3, by the setting of cam, automatically moving back and forth for supporting plate and curved boom may be implemented, and by waving connection group Part using the principle of lever realize supporting plate move up and down and closing up for curved boom is moved simultaneously with separating, have that structure is simple, behaviour The advantages of making convenient, high degree of automation.

Detailed description of the invention

Fig. 1 is a preferred embodiment of the packaging bag flattening positioning device on automatic packaging machine provided by the utility model Overall structure diagram；

Fig. 2 is the right view of embodiment illustrated in fig. 1.

Explanation: 1, supporting plate is marked in figure；2, packaging bag；3, adjusting sleeve pipe；4, curved boom；5, bent plate；6, first connecting rod；7, solid Fixed board；8, swing rod；9, support；10, pull rod is flattened；11, the first rocker arm；12, cam；13, the second rocker arm；14, second connecting rod； 15, push-pull rod；16, the first fixing axle；17, the second fixing axle；18, screw rod；19, sliding sleeve is limited；20, slide bar is limited.

Specific embodiment

In order to be further understood that the summary of the invention of the utility model, this reality is elaborated below in conjunction with specific embodiment With novel.

As shown in Figs. 1-2, according to the packaging bag flattening positioning device on automatic packaging machine provided by the utility model One embodiment, including screw rod 18, servo motor further include waving connection component, flattening positioning component, the flattening positioning component Positioned at the front side for waving connection component, the flattening positioning component includes 7, two bent plates 5, swing rod 8, supports 9 of fixed plate, Symmetrically arranged first connecting rod 6 there are two being respectively articulated in the fixed plate 7, each first connecting rod 6 is far from fixed plate 7 Hinged one of one end bent plate 5, the rear side of each bent plate 5 are equipped with a push-pull rod 15, and one end of push-pull rod 15 and opposite The bent plate 5 answered is fixedly connected, and the other end of push-pull rod 15 and one end of swing rod 8 are articulated and connected, the other end of the swing rod 8 and institute It is hinged to state support 9, spacing is equipped between two bent plates 5 and is symmetrical set along the vertical centerline of fixed plate 7, two bent plates 5 One end far from first connecting rod 6 is respectively fixed with the curved boom 4 being symmetrical set, and is threaded on the screw rod 18 in upper and lower point The nut of cloth is cased with adjusting sleeve pipe 3 on the screw rod 18 between two nuts, and adjusting sleeve pipe 3 can be moved along the axis of screw rod 18, Nut plays fixed supporting role to adjusting sleeve pipe, and the swing rod 8, adjusting sleeve pipe 3 are connect in fact with the connection component that waves It now swings up and down and moves, the curved boom 4 on two bent plates 5 is realized under the action of bent plate 5 is swung to be closed up and separate, and two When curved boom 4 is in greatest separation, curved boom 4 just with 2 both ends internal edge location contacts of packaging bag, realizes two curved booms 4 Contact and positioning to packaging bag 2, enable packaging bag 2 to achieve the effect that flattening, and the screw rod 18 is being located at two bent plates 5 just Lower section, the top of the screw rod 18 are fixed with the supporting plate 1 of V-shaped slot structure, and 1 bottom of supporting plate of 18 side of screw rod is fixed with Slide bar 20 is limited, the outside of the limit slide bar 20 slidably connects limit sliding sleeve 19, and limit slide bar 20 can be in limit sliding sleeve Sliding in 19, supporting plate 1 are interior for placing the packaging bag 2 for installing material.

The swing rod 8 and support 9 are located at the intermediate position of two bent plates, 5 rear side, and the support 9 is located at the rear side of swing rod 8.

The lower section waved connection component and be located at the swing rod 8.

The connection component that waves includes the first fixing axle 16, the second fixing axle 17, is rotated in first fixing axle 16 It is connected with the first rocker arm 11, one end of first rocker arm 11 is hinged with flattening pull rod 10 and second connecting rod 14, and the flattening is drawn The one end of bar 10 far from the first rocker arm 11 and the swing rod 8 are hinged, and the second connecting rod 14 is located under the flattening pull rod 10 Side, second fixing axle 17 is located at the lower section of 16 side of the first fixing axle, and the is rotatably connected in second fixing axle 17 Two rocker arms 13, one end of second rocker arm 13 and the adjusting sleeve pipe 3 are hinged, the other end of second rocker arm 13 with it is described Second connecting rod 14 is hinged.

It is connected with cam 12 on the output shaft of the servo motor, the cam 12 is located at first rocker arm 11 far from spiral shell Above one end of bar 18, and contacted at the top of the bottom of cam 12 and first rocker arm 11.The is realized by the movement of cam 12 One rocker arm 11 moves up and down.

The fixed plate 7, the first fixing axle 16, the second fixing axle 17, support 9, servo motor, limit sliding sleeve 19 are in Fixed state.The packaging bag flattening positioning device further includes fixed bracket, and fixed plate 7, the first fixing axle 16, second are solid Dead axle 17, support 9, servo motor, limit sliding sleeve 19 are each attached on fixed bracket.

The working principle of the present embodiment: a upper process falls packaging bag 2 on supporting plate 1, and the bottom of packaging bag 2 is located at support In V-groove on plate 1, flattening positioning operation is carried out, servo motor band moving cam 12 rotates, when the rotation of cam 12 makes to be in contact with it The first rocker arm 11 when moving downward, using lever principle, the other end of the first rocker arm 11 drives flattening pull rod 10 and second to connect Bar 14 moves upwards, and flattening pull rod 10 pushes swing rod 8 to be swung up, swing rod 8 and push-pull rod 15 be it is hinged, so 15 band of push-pull rod It moves corresponding bent plate 5 to swing, so that curved boom 4 is formed closed configuration, while second connecting rod 14 drives one end of the second rocker arm 13 upward Movement realizes packaging bag 2 and lifts operation upwards, make curved so that the second rocker arm 13 drives the supporting plate 1 on screw rod 18 to move upwards Arm 4 is put in while closing up in packaging bag 2, with the rotation of cam 12, the one end for contacting the first rocker arm 11 with cam 12 to When upper movement, supporting plate 1 drives packaging bag 2 to move down, while flattening pull rod 10 and driving swing rod 8 to lower swing, drives bent plate 5 Curved boom 4 forms discrete state, at this time one the correcting and contact with the end in packaging bag 2 far from bent plate 5 of curved boom 4, and packs Bag 2 is tensed, and packaging bag 2 is made to reach flat, in flattening process, if 2 position of packaging bag is offset, passes through two The flattening of a curved boom 4 can realize aligning function to packaging bag 2, thus play the role of positioning, after the completion of flattening operation, Curved boom 4 is detached from during being closed up with packaging bag 2, and the packaging bag 2 then flattened enters next process, then a upper work The packaging bag 2 not flattened in sequence, which is placed on supporting plate 1, carries out flattening operation, realizes the continuous flattening operation of multiple packaging bags.

Compared with prior art, the present embodiment has the advantages that

By wave connection component drive two bent plates swing up and down while move up and down supporting plate, not only make two it is curved Curved boom formation on plate is closed up and separating action puts in packaging bag under the mating reaction of supporting plate and bent plate when closing up curved boom Interior, when separation, contacts simultaneously with the both ends of packaging bag, the packaging bag for not only flattening packing bag mouth, but also offsetting position Can adjust automatically, realize flattening, positioning, determine Gao Gongneng.

It will be apparent to those skilled in the art that the utility model includes the summary of the invention and specific embodiment party of description above Any combination of each section shown by formula part and attached drawing, as space is limited and to keep specification concise without by these groups Each scheme constituted is closed to describe one by one.Within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (6)

1. the packaging bag on a kind of automatic packaging machine flattens positioning device, including screw rod, servo motor, it is characterised in that: also Including waving connection component, flattening positioning component, the flattening positioning component is located at the front side for waving connection component, described Flattening positioning component includes fixed plate, two bent plates, swing rod, supports, is respectively articulated with that there are two be symmetrical arranged in the fixed plate First connecting rod, the hinged bent plate in the one end of each first connecting rod far from fixed plate sets on rear side of each bent plate There is a push-pull rod, and one end of push-pull rod is fixedly connected with corresponding bent plate, the other end of push-pull rod and one end of swing rod Articulated connection, the other end of the swing rod and the support are hinged, spacing are equipped between two bent plates and along the vertical of fixed plate Center line is symmetrical set, and two bent plates are respectively fixed with the curved boom being symmetrical set, the spiral shell far from one end of first connecting rod Be cased with adjusting sleeve pipe on bar, the swing rod, adjusting sleeve pipe with it is described wave connection component and connect realization swing up and down, the spiral shell Bar is located at the underface of two bent plates, and the supporting plate of V-shaped slot structure, the support of the screw rod side are fixed at the top of the screw rod Board bottom portion is fixed with limit slide bar, slidably connects limit sliding sleeve on the outside of the limit slide bar.

2. the packaging bag on automatic packaging machine according to claim 1 flattens positioning device, it is characterised in that: the pendulum Bar and support are located at the intermediate position on rear side of two bent plates, and the support is located at the rear side of swing rod.

3. the packaging bag on automatic packaging machine according to claim 1 flattens positioning device, it is characterised in that: described to shake Pendulum connection component is located at the lower section of the swing rod.

4. the packaging bag on automatic packaging machine according to claim 1 flattens positioning device, it is characterised in that: described to shake Putting connection component includes the first fixing axle, the second fixing axle, is rotatably connected to the first rocker arm in first fixing axle, and described the One end of one rocker arm is hinged with flattening pull rod and second connecting rod, the flattening pull rod one end and the swing rod far from the first rocker arm Hingedly, the second connecting rod is located at the lower section of the flattening pull rod, and second fixing axle is located under the first fixing axle side It is square, it is rotatably connected to the second rocker arm in second fixing axle, one end of second rocker arm and the adjusting sleeve pipe are hinged, institute The other end and the second connecting rod for stating the second rocker arm are hinged.

5. the packaging bag on automatic packaging machine according to claim 4 flattens positioning device, it is characterised in that: described to watch It takes and is connected with cam on the output shaft of motor, the cam is located at one end top of first rocker arm far from screw rod, and cam Bottom and first rocker arm at the top of contact.

6. the packaging bag on automatic packaging machine according to claim 4 flattens positioning device, it is characterised in that: described solid Fixed board, the first fixing axle, the second fixing axle, support, servo motor, limit sliding sleeve are in fixed state.