CN213566828U - Vertical liquid packaging machine with exhaust function - Google Patents

Abstract

The utility model discloses a vertical liquid packaging machine with an exhaust function, which comprises a box body, a film drawing device, a filling device and a sealing exhaust device; the filling device comprises a hopper fixedly arranged above the box body through a support frame and a filling mechanism connected with the hopper through a discharge pipeline; the film drawing device comprises a rotating shaft arranged above the supporting frame, a packaging film winding drum sleeved on the rotating shaft, and a forming mechanism arranged on the rear side of the filling mechanism and used for forming packaging bags, and a pull-down mechanism is arranged right below the forming mechanism; the sealing and exhausting device comprises a pair of pressing plates which are oppositely arranged under the filling mechanism, the inner sides of the pressing plates are composed of a heat-seal plate which is vertically arranged and a steel plate which is obliquely arranged, and the pressing plates are driven by a transmission mechanism to move left and right respectively to realize opening and closing movement. The utility model discloses simple structure, convenient to use, can carry out bag internal exhaust, be convenient for store and transport.

Description

Vertical liquid packaging machine with exhaust function

Technical Field

The utility model relates to a liquid packaging technical field, concretely relates to vertical liquid packaging machine with exhausting function.

Background

Liquid products are common in our lives, and are usually canned or bagged, and in order to reduce production cost, the most common products are mainly bagged. Bagged products are typically processed at a high yield using an automatic packaging machine.

However, the existing vertical automatic liquid packaging machine does not have an air exhaust function, when a liquid product in a plastic bag is packaged in a heat sealing manner, too much air is often contained in the packaged product bag, the bag is easy to expand and damage due to extrusion in the transportation process, the qualification rate of the product and the safety of a storage place are seriously affected, and the storage and transportation difficulty of the product is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a vertical liquid packaging machine with a venting function, which is convenient to use and can vent gas in a bag, and solves the problem of excessive gas in the packaging bag.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a vertical liquid packaging machine with an exhaust function comprises a box body, a film drawing device, a filling device and a sealing exhaust device; the filling device comprises a hopper fixedly arranged above the box body through a support frame and a filling mechanism connected with the hopper through a discharge pipeline; the film drawing device comprises a rotating shaft arranged above the supporting frame, a packaging film winding drum sleeved on the rotating shaft, and a forming mechanism arranged on the rear side of the filling mechanism and used for forming packaging bags, and a pull-down mechanism is arranged right below the forming mechanism; the sealing and exhausting device comprises a pair of pressing plates which are oppositely arranged under the filling mechanism, the inner sides of the pressing plates are composed of a heat-seal plate which is vertically arranged and a steel plate which is obliquely arranged, and the pressing plates are driven by a transmission mechanism to move left and right respectively to realize opening and closing movement.

According to the technical scheme, liquid to be bagged is added into a hopper and enters a filling mechanism through a discharging pipeline; packaging film parcel on the packaging film reel is on filling mechanism outer wall, and carry out the shaping through forming mechanism and be the sealed tubulose wrapping bag of side, pull-down mechanism is with the below of wrapping bag down-pull to filling mechanism, and be located between two clamp plates, then fill in to the wrapping bag, the filling stops when certain volume, two clamp plates are relative motion under drive mechanism's drive respectively, because the liquid gathering is in the lower part in the bag, the width of its lower part is far more than its upper portion, the steel sheet is upwards extruded with the gas in the bag this moment, then seal by the hot-seal board. The steel plate is obliquely arranged, so that the gas in the bag can be discharged, and the liquid in the bag is prevented from overflowing after being extruded too much.

Preferably, the filling mechanism comprises a funnel type blanking pipe arranged on the front plate surface of the box body and a nozzle arranged at the bottom of the blanking pipe. The funnel type blanking pipe can play a role in temporary material storage, has a buffering role on liquid, avoids the problem that the entering liquid overflows due to too fast speed, and plays a transitional role in the packaging bag film forming process, so that the packaging bag film can enter the blanking pipe from the rotating shaft more smoothly; the nozzle is convenient for filling the liquid phase packaging bag, and the impact force on the packaging bag during filling is reduced.

Preferably, the forming mechanism comprises a pair of oppositely arranged heat sealing clamping plates arranged on the inner side of the blanking pipe and a driving mechanism for driving the heat sealing clamping plates to move in an opening and closing manner; the packaging film on the packaging film winding drum is wrapped on the periphery of the discharging pipe, and two side edges of the packaging film winding drum are pressed together through the heat seal clamping plate to form a cylindrical packaging bag. The forming mechanism is mainly used for pressing two sides of a packaging bag film together through two heat seal clamping plates so as to seal the sides of the packaging bag.

Preferably, the transmission mechanism and the driving mechanism have the same structure, and both comprise screw motors horizontally arranged on two sides in the box body and bearing rods vertically connected with the screw motors, and the other ends of the bearing rods are fixedly connected with pressing plates or heat sealing clamping plates. The screw motor drives the carrying rod to move left and right, and the two screw motors move relatively, so that the opening and closing of the two pressing plates or the heat seal clamping plates are realized.

Preferably, the pull-down mechanism comprises two rollers which are arranged in parallel and move oppositely, and a rotating mechanism for driving the rollers to rotate. The two rollers are driven by the rotating mechanism to rotate relatively, so that the packaging bag clamped between the two rollers is pulled downwards, and the downward movement of the packaging bag is realized.

Preferably, slewing mechanism include respectively with two gyro wheel fixed connection's connecting rod and with the rotation motor that the other end of connecting rod is connected, two the rotation motor rotates relatively, drives two gyro wheels relatively rotation respectively, and the wrapping bag passes through two by the conveying down between the gyro wheel.

The utility model has the advantages that:

the utility model has simple structure, can be applied to the existing packing machine, changes the existing device less, saves the cost of a factory, and solves the problem of excessive gas in the packing bag; the hot-close plate and the steel plate are arranged on the pressing plate, so that the hot-close plate and the steel plate can move synchronously, and the structure of the device is simplified; the steel plate is arranged obliquely, so that the exhaust effect is met, and the overflow of liquid in the bag is avoided; the gas in the packed bag is moderate, the storage and the transportation are convenient, and the defect of bag expansion is overcome.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a transmission mechanism;

FIG. 3 is a schematic structural view of a rotating mechanism;

fig. 4 is a partially enlarged view of a portion a.

In the figure: the automatic packaging machine comprises a box body 1, a supporting frame 2, a rotating shaft 3, a packaging film winding drum 4, a hopper 5, a discharging pipeline 6, a discharging pipe 7, a heat sealing clamping plate 8, a roller 9, a nozzle 10, a pressing plate 11, a heat sealing plate 12, a steel plate 13, a carrying rod 14, a screw rod motor 15 and a rotating motor 16.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1-4, a vertical liquid packaging machine with air exhausting function comprises a box body 1, a film drawing device, a filling device and a sealing and air exhausting device.

The filling device comprises a hopper 5 fixedly arranged above the box body 1 through a support frame 2 and a filling mechanism connected with the hopper 5 through a discharge pipeline 6; the filling mechanism comprises a funnel type blanking pipe 7 arranged on the front plate surface of the box body 1 and a nozzle 10 arranged at the bottom of the blanking pipe 7.

The film drawing device comprises a rotating shaft 3 arranged above the supporting frame 2, a packaging film winding drum 4 sleeved on the rotating shaft 3 and a forming mechanism arranged on the rear side of the discharging pipe 7 and used for forming packaging bags, wherein the forming mechanism comprises a pair of heat-seal clamping plates 8 arranged oppositely on the inner side of the discharging pipe 7 and a driving mechanism used for driving the heat-seal clamping plates 8 to move in an opening and closing manner; the periphery of the blanking pipe 7 is wrapped by the packaging film on the packaging film winding drum 4, and two side edges of the packaging film winding drum are pressed together through a heat seal clamping plate 8 to form a cylindrical packaging bag.

A pull-down mechanism is arranged under the forming mechanism; the pull-down mechanism comprises two rollers 9 which are arranged in parallel and move relatively and a rotating mechanism for driving the rollers 9 to rotate. The rotating mechanism comprises a connecting rod fixedly connected with the two rollers 9 and a rotating motor 16 connected with the other end of the connecting rod, the two rotating motors 16 rotate relatively to drive the two rollers 9 to rotate relatively, and the packaging bag is conveyed downwards through the two rollers 9.

The sealing and exhausting device comprises a pair of pressing plates 11 which are oppositely arranged right below the filling mechanism, the inner sides of the pressing plates 11 are composed of a heat-seal plate 12 which is vertically arranged and a steel plate 13 which is obliquely arranged, and the two pressing plates 11 are driven by a transmission mechanism to move left and right respectively to realize opening and closing movement.

The transmission mechanism and the driving mechanism are consistent in structure and respectively comprise a screw motor 15 and a bearing rod 14, wherein the screw motor 15 and the bearing rod 14 are horizontally arranged on two sides in the box body 1 respectively, the bearing rod 15 is vertically connected with the screw motor, and the other end of the bearing rod 14 is fixedly connected with a pressing plate 11 or a heat sealing clamping plate 8.

A controller is arranged on one side of the box body 1, a valve is arranged at the bottom of the discharging pipe 7, and the rotation of the screw rod motor 15 and the rotating motor 16 and the opening and closing of the valve are controlled by the controller.

The utility model discloses a theory of operation: adding liquid to be bagged into a hopper 5, and feeding the liquid into a blanking pipe 7 through a discharging pipeline 6; the packaging film on the packaging film reel 4 is pulled down and wrapped on the outer wall of the feeding pipe 7, the packaging film reel 4 rotates along with the rotating shaft 3, the heat seal clamping plates 8 are used for pressing and sealing two side edges of the packaging film wrapped on the feeding pipe 7 into a tubular packaging bag, then the two rotating motors 16 rotate relatively to pull down the packaging bag clamped between the two, so that the packaging bag is positioned between the two pressing plates 11, the packaging bag is filled into the packaging bag through a spray head, the filling stops when a certain amount of the packaging bag is filled, the two pressing plates 11 move relatively to the packaging bag filled with liquid under the driving of the screw rod motor 15 respectively, the width of the lower part of the liquid is far larger than that of the lower part of the liquid, at the moment, the steel plate 13 extrudes gas in the bag upwards, then the heat seal plate 12.

The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified, and the structural arrangements, operations, or controls referred to in the above embodiments are conventional in the art unless otherwise specified.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. A vertical liquid packaging machine with an exhaust function is characterized by comprising a box body, a film drawing device, a filling device and a sealing exhaust device; the filling device comprises a hopper fixedly arranged above the box body through a support frame and a filling mechanism connected with the hopper through a discharge pipeline; the film drawing device comprises a rotating shaft arranged above the supporting frame, a packaging film winding drum sleeved on the rotating shaft, and a forming mechanism arranged on the rear side of the filling mechanism and used for forming packaging bags, and a pull-down mechanism is arranged right below the forming mechanism; the sealing and exhausting device comprises a pair of pressing plates which are oppositely arranged under the filling mechanism, the inner sides of the pressing plates are composed of a heat-seal plate which is vertically arranged and a steel plate which is obliquely arranged, and the pressing plates are driven by a transmission mechanism to move left and right respectively to realize opening and closing movement.

2. The vertical liquid packaging machine with an air discharging function according to claim 1, wherein the filling mechanism includes a funnel-type down pipe provided on a front panel surface of the box body and a nozzle provided at a bottom of the down pipe.

3. The vertical liquid packaging machine with air exhausting function as claimed in claim 2, wherein said forming mechanism comprises a pair of oppositely disposed heat-sealing jaws disposed inside said feeding pipe and a driving mechanism for driving opening and closing movements of said heat-sealing jaws; the packaging film on the packaging film winding drum is wrapped on the periphery of the discharging pipe, and two side edges of the packaging film winding drum are pressed together through the heat seal clamping plate to form a cylindrical packaging bag.

4. The vertical liquid packing machine with the air exhausting function as claimed in claim 3, wherein the transmission mechanism and the driving mechanism are identical in structure and each include a screw motor horizontally disposed at two sides in the box body and a receiving rod vertically connected with the screw motor, and a pressing plate or a heat sealing clamping plate is fixedly connected to the other end of the receiving rod.

5. The vertical liquid packaging machine with air discharging function as claimed in claim 1, wherein said pull-down mechanism comprises two rollers disposed side by side and moving relatively and a rotating mechanism for driving the rollers to rotate.

6. The vertical liquid packing machine with the air exhausting function as claimed in claim 5, wherein the rotating mechanism comprises a connecting rod fixedly connected with the two rollers, respectively, and a rotating motor connected with the other end of the connecting rod, the two rotating motors rotate relatively to drive the two rollers to rotate relatively, respectively, and the packing bag is conveyed downwards through between the two rollers.

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