CN103693238B - Stacker in full-automatic high-speed packaging machine - Google Patents

Abstract

The invention discloses a stacking device in a fully automatic high-speed packaging machine, comprising: a frame, a stacking conveyor belt, and a rotating shaft is separately arranged on the frame on both sides of the stacking conveyor belt, the two rotating shafts rotate relatively, and the two rotating shafts A pair of impellers with flat blades are arranged symmetrically on the top, and a baffle plate is provided on the frame on both sides of the stacking conveyor belt. The gap between each baffle plate and the stacking conveyor belt can allow the blades on the same side to pass through. There is a protective plate on the opposite side of the first baffle, and the two protective plates can open or close the baffle on the same side and stacking with the cooperation of a pair of ratchets and a pair of connecting rods installed on the corresponding rotating shaft on the same side. The gap between the conveyor belts ensures that the strip or box-shaped items are always protected by the protective plate during the stacking process. The present invention has the advantage that no damage will be caused to the bottom of the strip-like or box-like articles during the stacking process.

Description

Stacking device in automatic high-speed packaging machine

technical field

The invention relates to the field of packaging machinery, in particular to a stacking device in a fully automatic high-speed packaging machine for packaging strip or box-shaped articles.

Background technique

The fully automatic high-speed packaging machine is a device used for sealing and packaging several strips or box-like items such as cigarettes. During its working process: the strip or box-shaped items placed horizontally on the front conveyor To the stacking device, the stacking device stacks a certain number of strips or box-shaped items layer by layer, and then pushes the stacked strips or box-shaped items in the stacking device forward to the subsequent equipment for further processing. Sealed film packaging. The structure of the currently used stacking device is as follows: it includes a frame, and a stacking conveyor belt that can carry strips or box-shaped items with the front conveyor belt is arranged in the frame, along the conveying of strips or box-shaped items. Direction, on the racks on the left and right sides of the stacking conveyor belt, there is a rotating shaft driven by a motor, and an impeller is arranged on each rotating shaft. The blades on the two impellers are arranged opposite to each other. The outer ends of the stacking conveyor belt are comb-shaped; on the left and right sides of the stacking conveyor belt, and on the frame above the two rotating shafts, there are respectively a baffle plate, and the lower end of each baffle plate extends downwards to close to the stacking conveyor belt. On the conveying surface, the lower end of each baffle is provided with a set of strip grooves that just let the blades in the impeller on the same side pass through. When the impeller drives the blades to rotate to the baffle on the same side, as the impeller continues to rotate, the blades can Pass through the baffle plate on the same side smoothly from the bar-shaped groove group matched with the comb tooth end. The working process of this stacking device is: after the horizontally placed strip or box-like items are transported from the front conveyor belt to the stacking conveyor belt, the stacking conveyor belt continues to convey the strip or box-like items forward, when the stacking conveyor belt After the horizontally placed strips or box-shaped items are neatly arranged on the top, the pair of impellers on the left and right sides of the stacking conveyor belt start to rotate under the drive of the motor. With the rotation of the pair of impellers, the two impellers are opposite to each other. A pair of distributed blades will be in contact with the bottom ends of the strip or box-shaped article placed horizontally, and as the impeller continues to rotate, the pair of oppositely distributed blades will push against the left and right ends of the bottom of the strip or box-shaped article Lift up the strip or box-like items, at this time, the stacking conveyor belt continues to convey the strip or box-like items forward, so that the strips or box-like items continue to be neatly arranged on the stacking conveyor belt and positioned Below the bar or box-like items; as the pair of impellers continue to rotate, the pair of blades that hold up the bar or box-like items will gradually separate from the bottom of the bar or box-like items being held up; when being held After the lifted strip or box-shaped article is separated from the blades that hold it up, the lifted strip or box-shaped article will fall on the lower strip or box-shaped article; repeat the above process until the strip Or box-shaped items are stacked to the preset number of layers, thus completing the stacking of strip or box-shaped items. The shortcoming of this kind of stacking device is: the blade that this kind of outer end is comb-like shape is easy to cause damage to the bottom of strip or box-like article when the blade of this kind of outer end holds up bar-like or box-like article, and then affects the strip or box-like article. The product quality of the box-like item.

Contents of the invention

The object of the present invention is to provide a stacking device in a fully automatic high-speed packaging machine that will not cause damage to the bottom of strip-shaped or box-shaped articles during the stacking process.

In order to achieve the above object, the present invention adopts the following technical scheme: the stacking device in the fully automatic high-speed packaging machine includes: a frame, a stacking conveyor belt arranged in the frame, and two sides of the stacking conveyor belt on the left and right A rotating shaft is movably supported on the side frame respectively, and the two rotating shafts rotate relatively under the drive of the driving mechanism. A pair of impellers are arranged symmetrically on the two rotating shafts, and the blades of each impeller are respectively flat; A baffle is respectively fixed on the frame above the left and right sides, and the gap between each baffle and the stacking conveyor belt is just enough to allow the blades on the corresponding impeller below to pass through. There is a protective plate that can open or close the gap between the baffle plate on the same side and the stacking conveyor belt; a ratchet wheel with the same number of ratchets as the number of blades of the impeller is installed on the shaft ends of each rotating shaft. A connecting piece with a bar-shaped notch at one end is respectively arranged above each ratchet, and each connecting piece is hinged to the frame by movably covering the bar-shaped notch on a pin shaft fixed on the frame, and It can move within the length of the bar-shaped notch, and the two pin shafts on the same side are set coaxially; the guide arm extending integrally from the lower side of each connecting piece always leans against the corresponding ratchet downwards, The ends of the two connectors on the same side that are away from the bar-shaped notch are hinged to the guard plate on the same side at the same time; when the pair of connectors on both sides just touch the bottom of the ratchet of a ratchet in the corresponding ratchet below At the end, the protective plates on both sides just cover the gap between the baffle plate on the same side and the stacking conveyor belt; when the two rotating shafts drive a pair of impellers to rotate relative to each other until the pair of blades lift up the strip or box-shaped items Among them, the two rotating shafts also synchronously drive the left and right pairs of ratchets to rotate relative to each other, and each pair of ratchets will rotate upward against the corresponding connecting piece, and simultaneously push the position guard on the same side to move; when holding up a strip or box-shaped object When a pair of blades rotate upwards to the corresponding baffle plate, the two pairs of ratchets just push the corresponding connecting piece from the bottom end of the ratchet back of the ratchet to the top end of the ratchet back of the ratchet, so that the guards on both sides are just right. Move up to open the gap between the baffle on the same side and the stacking conveyor belt; The two connecting pieces just drop from the top of the ratchet back of the corresponding ratchet to the bottom of the ratchet back of the next ratchet, so that the guards on both sides move down synchronously again to cover the baffle plate on the same side and the stacking conveyor belt The gap between them ensures that the strip or box-like items are always protected by the protective plate during the stacking process.

Further, the stacking device in the aforementioned fully automatic high-speed packaging machine, wherein: the structure of the driving mechanism is: a driving motor is arranged in the frame, a driving shaft is arranged on the output shaft of the driving motor, and the driving shaft passes through A pair of bevel gears realizes the synchronous relative rotation of the two rotating shafts.

Further, the stacking device in the aforementioned fully automatic high-speed packaging machine, wherein: a limit baffle is respectively arranged on the frame outside each protective plate, and each limit baffle is connected to the same side baffle. The distance ensures that the corresponding bit guard can always move up and down against the baffle on the same side.

Through the implementation of the above technical solution, the present invention has the advantages of not causing damage to the bottom of the strip or box-like articles during the stacking process, and improving the product quality of the strip or box-like articles.

Description of drawings

Fig. 1 is a schematic diagram of the working principle of the stacking device in the fully automatic high-speed packaging machine of the present invention.

Fig. 2 is a schematic diagram of the working state of the shield shown in Fig. 1 when the baffle on the same side is opened.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 and 2, the stacking device in the fully automatic high-speed packaging machine includes: a frame 1, a stacking conveyor belt 2 arranged in the frame 1, on the left side of the stacking conveyor belt 2 The left rotating shaft 3 is movably supported on the side frame 1, and the right rotating shaft 4 is movably supported on the right frame 1. The left rotating shaft 3 and the right rotating shaft 4 rotate relative to each other under the driving mechanism, and a left impeller is arranged on the left rotating shaft 3. 5. The right impeller 6 is arranged on the right rotating shaft 4, the left impeller 5 and the right impeller 6 are arranged oppositely, and the blades 7 on the left impeller 5 and the right impeller 6 are flat; The frame 1 is provided with a left baffle 8, and the right frame 1 is provided with a right baffle 9, the gap between the left baffle 8 and the stacking conveyor belt 2 can just make the blade 7 on the left impeller 5 pass through, and the right The gap between the baffle plate 9 and the stacking conveyor belt 2 is just enough to allow the blade 7 on the right impeller 6 to pass through. On the back side of the left baffle plate 8, there is a piece that can open or close the left baffle plate 8 and the stacking conveyor belt 2. The left guard plate 10 in the gap between is provided with a right guard plate 11 that can open or close the gap between the right guard plate 9 and the stacking conveyor belt 2 on the back side of the right guard plate 9;

A left ratchet 12 having the same number of ratchets as the number of blades of the left impeller 5 is respectively installed on the front and rear ends of the left shaft 3, and one end is provided with a bar-shaped notch above each left ratchet 12. Left connecting piece 13, each left connecting piece 13 is hinged with frame 1 by being movably sleeved on a left pin shaft 13 fixed on the frame 1 with the bar-shaped notch respectively, and can be connected in the bar-shaped notch. Move within the length range, the two left pin shafts 13 located on the same side are coaxially arranged, and each left connecting piece 13 always abuts against the corresponding left ratchet 12 downwards through the left guide arm 15 integrally extended from the lower side , the ends of the two left connectors 13 away from their respective bar-shaped slots are hinged to the left guard plate 10 at the same time, when the two left connectors 13 are just against the ratchet back of a ratchet in the corresponding left ratchet 12 below At the bottom end, the left guard plate 10 just blocks the gap between the left baffle plate 8 and the stacking conveyor belt 2 downwards; The right ratchets 16 with the same number of blades are respectively provided with a right connecting piece 17 with a bar-shaped notch at one end above each right ratchet 16, and each right connecting piece 17 is movably set on the bar-shaped notch respectively. A right pin shaft 18 fixed on the frame 1 is hinged with the frame 1 and can move within the length of the bar-shaped notch. Two right pin shafts 18 on the same side are coaxially arranged, and each The right connecting piece 17 always leans against the corresponding right ratchet 16 downwards through the right guide arm 19 extending integrally from the lower side, and the ends of the two right connecting pieces 17 away from the respective bar-shaped notches are simultaneously connected with the right guard plate. 11 is hinged, and when the two right connectors 17 are just in contact with the bottom end of a ratchet in the corresponding right ratchet 16 below, the right guard 11 just blocks the right baffle 9 and stacking conveyance downwards. With 2 gaps.

When the left shaft 3 and the right shaft 4 drive the left impeller 5 and the right impeller 6 to rotate relative to each other until a pair of blades lift up the strip or box-like article, the left shaft 3 and the right shaft 4 also synchronously drive the left and right sides. Relatively rotate the ratchets so that the pair of left ratchets 12 on the left side rotate upwards against the corresponding left connectors 13 around their respective left pin shafts 14, and simultaneously push the left guard plate 10 to move upwards, while the pair of right ratchets on the right side The ratchet 16 also pushes against the corresponding right connecting piece 17 and rotates upwards around the respective right pin shaft 18, and synchronously pushes the right guard plate 11 to move upwards; At this time, a pair of left ratchets 12 on the left just pushes the corresponding left connector 13 from the bottom end of a ratchet in the corresponding left ratchet 12 to the top of the ratchet back of the ratchet, so that the left guard plate 10 just moves up to open the gap between the left baffle plate 8 and the stacking conveyor belt 2, and the pair of right ratchets 16 on the right side just move the corresponding right connector 17 from the ratchet of a ratchet in the corresponding right ratchet 16. The bottom end of the back reaches the top of the ratchet back of the ratchet, so that the right guard plate 11 just moves up to open the gap between the right baffle plate 9 and the stacking conveyor belt 2; as the left rotating shaft 3 and the right rotating shaft 4 continue to synchronize Drive the impeller on the same side and a pair of ratchets to rotate. When a pair of blades holding a strip or box-like article pass through the opening at the lower end of the corresponding baffle plate, the two left connecting pieces 13 on the left just move from the ratchet of the corresponding ratchet. The top of the tooth back falls to the bottom of the ratchet back of the next ratchet, so that the two left connectors 13 rotate downward around their respective left pin shafts 14, and synchronously drives the left side guard 10 to move down to cover the left baffle 8 and the gap between the stacking conveyor belt 2, and the two right connectors 17 on the right side just in time drop from the top of the ratchet back of the corresponding ratchet to the bottom of the ratchet back of the next ratchet, so that the two right connectors 13 rotates downward around their respective right pin shafts 18, and synchronously drives the right guard plate 11 to move down to cover the gap between the right baffle plate 9 and the stacking conveyor belt 2, ensuring that the strip or box-shaped items are stacked in the process of stacking There is the protection of left side shield 10 and right side shield 11 all the time.

In this embodiment, the structure of the drive mechanism is: a drive motor 20 is provided in the frame 1, a drive shaft 21 is provided on the output shaft of the drive motor 20, and the drive shaft 21 realizes left-hand alignment through a pair of bevel gears respectively. The synchronous relative rotation of the rotating shaft 3 and the right rotating shaft 4 not only has a simple structure and is easy to operate, but also can realize the driving of the two rotating shafts through one motor, which reduces the production cost of the enterprise; The frame 1 on the outside of the plate 10 is provided with a left limit baffle 22, and the distance between the left limit plate 22 and the left baffle 8 ensures that the left baffle 10 can always move up and down against the left baffle 8, On the frame 1 outside the right guard plate 11, a right limit baffle 23 is arranged, and the distance between the right limit baffle and the right baffle 9 ensures that the right guard 11 can always be close to the right baffle 9 Move up and down, so that the left guard plate 10 and the right guard plate 11 can better protect the strip or box-like articles on the stacking conveyor belt 2, which improves the running stability of the equipment.

The advantage of the present invention is that the blades of the flat plate structure are used to stack the strips or box-shaped items, not only the bottom of the strips or box-shaped items will not be damaged by the blades during the stacking process, but also the The cooperation of the plate, the connecting rod and the ratchet ensures that the strip or box-like items are always protected by the left guard plate 10 and the right guard plate 11 during the stacking process, which improves the operational stability of the equipment.

Claims (3)

1. the hay stacker in fully automatic high-speed wrapping machine, comprise: frame, be arranged at the pile load-transfer device in frame, it is characterized in that: in the frame of the pile load-transfer device left and right sides, freely-movable bearing has a rotating shaft respectively, two rotating shafts relatively rotate under the driving of driver train, two rotating shafts are symmetrically arranged with a pair impeller, and the blade of each impeller is respectively tabular; Frame above the pile load-transfer device left and right sides is fixed with respectively one piece of baffle plate, every block baffle plate and the gap between pile load-transfer device just in time can make the blade on impeller corresponding to below pass through, the phase dorsal part of two pieces of baffle plates be movably set with respectively one piece can open or close gap between same side shield and pile load-transfer device protect a plate; The ratchet quantity ratchet identical with the blade quantity of impeller is separately installed with at the both sides axle head of every root rotating shaft, the attaching parts that an one end offers bar shaped notch is respectively arranged with above each ratchet, each attaching parts is fixed on bearing pin in frame and frame is hinged and can moves in the length range of bar shaped notch by being movably set in by bar shaped notch, and two bearing pins of homonymy are coaxial setting; Each attaching parts is by the guide arm that integrally extends on the downside of it all the time downwards against on the ratchet of correspondence, and the one end away from bar shaped notch on two attaching partss being positioned at homonymy is hinged with a plate that protects for homonymy simultaneously; When a pair attaching parts of both sides is just in time against the ratchet back end end of a ratchet in the corresponding ratchet in below, both sides are protected a plate and are just in time sheltered from gap between same side shield and pile load-transfer device respectively; Driving a pair impeller to relatively rotate to a pair blade two rotating shafts upwards holds up in the process of strip or box-like items, two rotating shafts also synchronously drive the two pairs of ratchets in left and right to relatively rotate, every a pair ratchet can head on corresponding attaching parts and upwards rotate, and synchronous protecting on a plate of homonymy of promotion is moved; When the baffle plate that a pair blade turn upwards holding up strip or box-like items is extremely corresponding, the two pairs of ratchets just in time by the ratchet back end end top of the attaching parts of correspondence ratchet from ratchet to the ratchet back of the body top of this ratchet, make both sides protect a plate just in time respectively on move to and open gap between same side shield and pile load-transfer device; When a pair blade holding up strip or box-like items by corresponding with between side shield and pile load-transfer device during gap; two attaching partss of homonymy just in time fall to the ratchet back end end of next ratchet from the ratchet of corresponding ratchet back of the body top; make a plate that protects of both sides again synchronously move down respectively and shelter from gap between same side shield and pile load-transfer device, guarantee that strip or box-like items have the protection protecting a plate all the time in stacking process.

2. the hay stacker in fully automatic high-speed wrapping machine according to claim 1, it is characterized in that: the structure of described driver train is: in frame, be provided with drive motor, the output shaft of drive motor is provided with axle drive shaft, and axle drive shaft realizes synchronously relatively rotating two rotating shafts respectively by bevel-gear sett.

3. the hay stacker in fully automatic high-speed wrapping machine according to claim 1 and 2, it is characterized in that: in the frame that every block protects outside a plate, be also respectively arranged with one piece of postive stop baffle, every block postive stop baffle and the distance of same side shield guarantee to make corresponding protect the baffle plate that a plate is close to homonymy all the time and move up and down.