CN111470103A - Outer package protective layer sleeving device and driving method - Google Patents

Abstract

The invention discloses an outer packaging protective layer sleeving device and a driving method, wherein the outer packaging protective layer sleeving device comprises a bag roll, a bag feeding mechanism is arranged on one side of the bag roll and used for conveying bags, a bag cutting mechanism is arranged at the bottom of the tail end of the bag feeding mechanism and used for cutting off the bags, a bag clamping device is arranged below the bag cutting mechanism and used for fixing the bags, bag opening devices are arranged below the bag clamping mechanism at intervals, a bag sleeving assembly is arranged at the bottom of the bag feeding mechanism, and the bag opening devices are movably arranged on the bag sleeving assembly, so that the problems that the existing bag sleeving machine completely simulates a manual bag sleeving process, the bag sleeving efficiency is low, the device is complex, the cost is high, the production requirements cannot be met and.

Description

Outer package protective layer sleeving device and driving method

Technical Field

The invention relates to an automatic packaging device, in particular to an external packaging protective layer sleeving device and a driving method.

Background

The high-grade gift packaging boxes on the market are provided with a metal or plastic shell, and the high-grade gift packaging boxes mainly play a role in protecting gift boxes and improving the appearance grade of the gift boxes. Such metal or plastic casings need to be transported to the corresponding gift wrapping plant after production. Since scratches are easily generated between the shells in the mass transportation process and the attractiveness of the metal or plastic shells is affected by the left scratches, a shell manufacturer needs to sleeve a protective layer on the shell to protect the surface of the shell before the metal or plastic packaging shells leave a factory. At present, a protective layer is sleeved on a gift packaging box mainly by a manual bagging mode. In order to save manpower, corresponding automatic bagging equipment is also provided. However, the existing equipment on the market completely refers to the mode of manual work to work, the efficiency is low, the device is complex, the cost is high, and the production requirement cannot be met. And therefore require redesign of such devices.

Disclosure of Invention

One of the objectives of the present invention is to solve the above-mentioned deficiencies, and to provide an apparatus for sleeving an outer packaging protection layer and a driving method thereof, so as to solve the problems that the existing bagging machine completely simulates a manual bagging process, the bagging efficiency is low, the apparatus is complex, the cost is high, and the production requirements cannot be met.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides an outer packaging protective layer sleeving device which comprises a bag roll, wherein a bag feeding mechanism is arranged on one side of the bag roll and used for conveying bags, a bag cutting mechanism is arranged at the bottom of the tail end of the bag feeding mechanism and used for cutting off the bags, a bag clamping device is arranged below the bag cutting mechanism and used for clamping the bags, bag opening devices are arranged below the bag clamping mechanism at intervals, a bag sleeving component is arranged at the bottom of the bag feeding mechanism, and the bag opening devices are movably arranged on the bag sleeving component.

Preferably, the further technical scheme is as follows: send a bag mechanism to include supporting roller, supporting roller installs in the mounting panel top, the mounting panel end is equipped with the switching-over gyro wheel, switching-over gyro wheel below is equipped with the support frame, the support frame is installed the mounting panel bottom is equipped with the action wheel at the support frame top for pass the action wheel by the sack and get into in proper order and cut bag mechanism, press from both sides the bagging apparatus, open the bagging apparatus.

The further technical scheme is as follows: the bag cutting mechanism comprises an air cylinder, the air cylinder is located at the bottom of the tail end of the mounting plate, a connector is arranged on the side wall of the air cylinder, a drive plate is arranged at the bottom of the air cylinder, a first extension spring is arranged between the drive plate and the mounting plate, a connecting rod is arranged on the drive plate, one end of a sliding rod is movably mounted at the top end of the connecting rod, and the other end of the sliding rod is movably mounted at the middle part of a sliding block cutter.

The further technical scheme is as follows: the bag clamping device comprises a push rod guide rail, a Z-shaped connecting plate is arranged between the push rod guide rail and the drive plate, the tail end of the push rod guide rail is installed on the outer wall of the inner clamping plate, the inner wall of the inner clamping plate is provided with an electromagnet for being connected with a power supply through the electromagnet, a pushing spring is arranged in the push rod guide rail, a pushing rod is arranged on the outer side of the push rod guide rail, one end of the pushing rod is movably installed in the push rod guide rail, and the other end of the pushing rod penetrates through the inner clamping plate.

The further technical scheme is as follows: the support frame includes the linking arm, the linking arm is two, two the linking arm inboard all is equipped with first spout, two are arranged in the activity of slider cutter between the linking arm.

The further technical scheme is as follows: the bag opening device comprises a four-side connecting rod, one opposite angle of the four-side connecting rod is respectively arranged on a first transverse rod arm and a second transverse rod arm, a first limiting plate is arranged between the first transverse rod arm and the second transverse rod arm, and a second stretching spring is arranged between the first limiting plate and the four-side connecting rod.

The further technical scheme is as follows: the four-side connecting rod comprises a pair of upper connecting rods parallel to each other and a pair of lower connecting rods parallel to each other, and suckers and supporting plates are arranged at the middle parts of the upper connecting rods and the lower connecting rods and are used for communicating the connecting ports with the suckers through pipelines.

The further technical scheme is as follows: the bagging assembly comprises a second limiting plate, a stand column is arranged at the top of the second limiting plate, a lead screw is arranged below the second limiting plate, a driving nut is arranged on the lead screw, an installation table is arranged on one side of the driving nut, a gear is arranged above the installation table and used for being connected into a direct current motor through the gear, and two racks which are parallel to each other are arranged on the outer side of the gear.

The further technical scheme is as follows: and a connecting piece is arranged between the mounting table and the driving nut, and the connecting piece is movably mounted on the slide rail.

The invention provides a driving method of an outer packaging protective layer sleeving device, which uses the outer packaging protective layer sleeving device and comprises the following operation steps: step A, bag feeding is carried out, a driving wheel rotates and drives the bag to pass through a support frame to move downwards and to be conveyed between an inner clamping plate and an outer clamping plate; b, clamping the bag, wherein the electromagnet is electrified and generates magnetic force, and the outer clamping plate is close to the inner clamping plate under the action of the magnetic force and mutually abutted to clamp the bag; c, cutting the bag, namely adding air pressure to a rodless cavity at the top of the air cylinder to push the piston rod to move downwards to drive the bag clamping device to move downwards so as to drive the bag to move downwards and enter between the four-side connecting rods, and extending the first extension spring; when the piston rod moves downwards, the sliding rod is driven to move downwards, the sliding block cutter is driven to move transversely along the first sliding groove, and when the piston rod in the air cylinder finishes a stroke, the sliding block cutter is abutted against the support frame and cuts off the bag; d, sucking the bag, electrifying a direct current motor externally connected with a gear shaft, rotating a gear to drive two racks to be away from each other, lengthening four-side connecting rods, enabling suction cups of the upper connecting rods to be in contact with a supporting plate of the lower connecting rod, stopping ventilation at the upper part of the air cylinder, electrifying an electromagnet, keeping the outer clamping plate away from the inner clamping plate, enabling the first stretching spring to recover the original length, enabling a piston rod in the air cylinder to move upwards, generating negative pressure at the suction cups communicated with the connecting port pipeline, and sucking the bag; e, opening the bag, simultaneously disconnecting the power supply connected with the gear, contracting the second extension spring, enabling the first cross rod arm and the second cross rod arm to be close to the first limiting plate, opening the four-side connecting rod to form a square structure, and opening the bag; step F, bagging, namely enabling the alternating current motor to rotate forwards and drive the screw rod to rotate clockwise, enabling the driving nut on the screw rod to move vertically downwards and driving the bag opening device to move vertically downwards to complete bagging; g, resetting, namely reversing the alternating current motor and driving the screw rod to rotate anticlockwise, so that the driving nut on the screw rod vertically moves upwards and drives the bagging mechanism to vertically move upwards to finish resetting; and step H, bagging again, and repeating the steps A to G in sequence.

Compared with the prior art, the invention has the following beneficial effects: the driving wheel is controlled by a motor to rotate, the bag is driven to pass through the support frame to move downwards, an electromagnet arranged on the inner wall of the inner clamping plate is connected with a power supply, the bag is clamped by the outer clamping plate in an adsorbing mode and vertically moves downwards along with the driving plate, and the bottom of the bag is placed in the four-side connecting rod; simultaneously, gas is injected into the cylinder, so that the piston rod moves downwards and drives the driving plate to vertically move downwards, the sliding rod pushes the sliding block cutter to be abutted against the supporting frame under the driving of the connecting rod, and the bag is cut off; the four-side connecting rod is stretched and clamped by clockwise rotation of the gear, the bag is sucked by the suckers arranged on the inner wall of the four-side connecting rod through negative pressure, the four-side connecting rod is stretched under the action of the elastic force of the second stretching spring, a square structure is formed, the bag is opened, the bag is sleeved on the packaging shell by connecting the lead screw into the alternating current motor and driving the driving nut to descend, and therefore bagging is completed.

Drawings

Fig. 1 is a schematic perspective view illustrating an outer package protective layer sleeving apparatus and a driving method according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view illustrating a bag feeding mechanism, a bag cutting mechanism and an entrainment device according to another embodiment of the present invention.

Fig. 3 is an enlarged schematic view illustrating a bag opening device and a bag sheathing assembly according to still another embodiment of the present invention.

Fig. 4 is an enlarged view illustrating a slider cutter according to still another embodiment of the present invention.

Fig. 5 is an enlarged view illustrating a supporting frame according to another embodiment of the present invention.

Fig. 6 is an enlarged schematic view illustrating a bag cutting mechanism according to still another embodiment of the present invention.

In the figure, 1 is a bag roll, 2 is a bag feeding mechanism, 3 is a bag cutting mechanism, 4 is a bag clamping device, 5 is a bag opening device, 6 is a bag sheathing assembly, 7 is a support roller, 8 is a mounting plate, 9 is a reversing roller, 10 is a support frame, 11 is a driving wheel, 12 is an air cylinder, 13 is a driving plate, 14 is a first tension spring, 15 is a connecting rod, 16 is a sliding rod, 17 is a slider cutter, 18 is a push rod guide rail, 20 is an inner clamping plate, 22 is a pushing spring, 23 is a pushing rod, 24 is an outer clamping plate, 25 is a four-sided connecting rod, 26 is a first cross rod arm, 27 is a second cross rod arm, 28 is a first limiting plate, 29 is a second tension spring, 30 is a second limiting plate, 31 is a lead screw, 32 is a driving nut, 33 is a gear, 34 is a rack, 35 is a suction cup, 36 is a suction cup, and 37 is a support plate.

Detailed Description

The invention is further elucidated with reference to the drawing.

Referring to fig. 1, 2, 3 and 6, an embodiment of the present invention is an external packing protective layer sleeving apparatus, including a bag roll 1 for fixing a bag by the bag roll 1, and a bag feeding mechanism 2 installed at one side of the bag roll 1 at intervals for feeding the bag by the bag feeding mechanism 2, a bag cutting mechanism 3 installed at a bottom end of the bag feeding mechanism 2, the bag cutting mechanism 3 being fixedly connected to the bag feeding mechanism 2 by a bolt for feeding the bag to the bag cutting mechanism 3 by the bag feeding mechanism 2 and cutting the bag by the bag cutting mechanism 3, a bag clamping device 4 installed below the bag cutting mechanism 3 for fixing the bag by the bag clamping device 4 while vertically feeding the bag downward and making a bottom of the bag enter a bag opening device 5 installed at intervals below the bag clamping device 4 for opening the bottom of the cut bag by the bag opening device 5, and a bagging assembly 6 is arranged below the bag feeding mechanism 2, and the bag opening device 5 is movably mounted on the bagging assembly 6 and used for sleeving the bag opened by the bag opening device 5 on a packaging shell through the descending motion of the bagging assembly 6 and completing bagging work.

Referring to fig. 1, 2 and 6, in another embodiment of the present invention, the bag feeding mechanism 2 includes a plurality of sets of support rollers 7, the number of the sets of support rollers 7 is an arbitrary value greater than two, which can be specifically limited according to actual conditions, and the plurality of sets of support rollers 7 are spaced and parallel to each other, and the plurality of sets of support rollers 7 are all fixedly mounted above a mounting plate 8, a reversing roller 9 is disposed at the end of the mounting plate 8, a horizontal tangent at the top of the reversing roller 9 and a tangent at the middle of the support roller 7 are located on the same horizontal plane, and are used for adjusting the movement path of the bag by the reversing roller 9, so as to adjust the movement of the bag from the horizontal direction to the vertical direction, and a support frame 10 is disposed below the reversing roller 9, and the support frame 10 is mounted at the bottom of the mounting plate 8 by means of bolt connection, the top of the support frame 10 is provided with a driving wheel 11 for the bag to pass through the driving wheel 11 and enter the bag cutting mechanism 3, the bag clamping device 4 and the bag opening device 5 in sequence.

Referring to fig. 2 and 6, in another embodiment of the present invention, the bag cutting mechanism 3 includes a cylinder 12, the cylinder 12 is fixedly mounted at the bottom of the end of the mounting plate 8 by means of bolts, a connecting port 35 is provided on the side wall of the cylinder 12, the connecting port 35 is located at the bottom of the side wall of the cylinder 12 and is used for communicating with a suction cup 36 through a pipeline via the connecting port 35, a driving plate 13 is provided at the bottom of the cylinder 12, the driving plate 13 is vertically mounted at the bottom of the cylinder 12 and is used for driving the driving plate 13 to move up and down by a piston rod in the cylinder 12 during telescopic motion, a first tension spring 14 is provided between the driving plate 13 and the mounting plate 8, at least two first tension springs 14 are provided, the number of the first tension springs 14 can be any number greater than two and can be specifically limited according to actual conditions, in this embodiment, four first extension springs 14 are provided, four first extension springs 14 have a same gap with the cylinder 12, and the distances between adjacent first extension springs 14 are the same, the driving plate 13 is provided with a connecting rod 15, the connecting rod 15 is vertically installed at the middle part above the driving plate 13, one end of a sliding rod 16 is movably installed at the top end of the connecting rod 15, the sliding rod 16 can be hinged, and is used for driving one end of the sliding rod 16 to move up and down during the up and down movement of the connecting rod 15, the other end of the sliding rod 16 is also movably installed at the middle part of a sliding block cutter 17 through the hinged connection, the sliding rod 16 and the sliding block cutter 17 are perpendicular to each other, so that during the horizontal movement of the sliding rod 16, the sliding block cutter 17 is driven to move in the horizontal direction, and when the piston rod completes one stroke in the cylinder, the slider cutters 17 abut against the support frame 10 and cut the bag.

Referring to fig. 2, 4 and 5, in another embodiment of the present invention, the supporting frame 10 includes two connecting arms, two connecting arms are spaced apart from each other and parallel to each other, one end of each connecting arm is fixedly mounted on two sides of the bottom of the mounting plate 8 by means of a bolt, the slider knife 17 is movably disposed between the two connecting arms for sliding between the two connecting arms by the slider knife 17, a first sliding slot is disposed on the inner side of each connecting arm for movably mounting the two ends of the slider knife 17 in the two first sliding slots and allowing the slider knife 17 to slide along the first sliding slot, the slider knife 17 includes a blade located at the front end of the slider knife 17, a slot is disposed on the inner wall of the supporting frame 10 and located between the two connecting arms, and the cutting edge and the clamping groove correspond to each other and are matched with each other, so that the cutting edge on the sliding block cutter 17 is abutted against the clamping groove on the inner wall of the support frame 10, and the bag is cut off.

Referring to fig. 2, in another embodiment of the present invention, the bag clamping device 4 includes two sets of push rod guide rails 18, two sets of push rod guide rails 18 are parallel to each other and symmetrically located on two sides of the driving plate 13, two sets of Z-shaped connecting plates are disposed between the push rod guide rails 18 and the driving plate 13, two sets of Z-shaped connecting plates are fixedly mounted on two sides of the bottom of the driving plate 13 by means of bolts, two sets of Z-shaped connecting plates are symmetrical about the transverse central axis of the driving plate 13, and the push rod guide rails 18 are fixedly mounted on the outer sides above the Z-shaped connecting plates, the push rod guide rails 18 are parallel to the tops of the Z-shaped connecting plates, the ends of the two sets of push rod guide rails 18 are respectively mounted on the outer wall of the inner clamping plate 20, and the push rod guide rails 18 are perpendicular to the inner clamping plate 20, an electromagnet is embedded and installed on the inner wall of the inner clamping plate 20 and used for connecting a power supply by the electromagnet, two pushing springs 22 are arranged in the push rod guide rail 18, a pushing rod 23 is arranged on the outer side of the push rod guide rail 18, one end of the pushing rod 23 is movably installed in the push rod guide rail 18 and is arranged between the two pushing springs 22, for causing the push spring 22 to store elastic potential energy during the sliding of the push rod 23 in the push rail, and the other end of the push rod 23 is installed on the inner wall of the outer clamping plate 24 through the inner clamping plate 20, the inner clamping plate 20 and the outer clamping plate 24 are parallel to each other, the outer clamping plate 24 is made of metal material, specifically iron material, a groove is arranged on the inner wall of the inner clamping plate 20, meanwhile, the inner wall of the outer clamping plate 24 is provided with a bulge, the groove is matched with the bulge, for securing the bag between the inner clamp plate 20 and the outer clamp plate 24 by the engagement of the groove and the protrusion.

Referring to fig. 1 and 3, in another embodiment of the present invention, the bag opener 5 comprises a four-sided link 25, the four-sided link 25 is parallel to a horizontal plane, a pair of opposite corners of the four-sided link 25 are respectively installed above the ends of a first cross-bar arm 26 and a second cross-bar arm 27, the connection line of the pair of opposite corners is perpendicular to the first cross-bar arm 26, the first cross-bar arm 26 and the second cross-bar arm 27 are parallel to each other, a first limit plate 28 is disposed between the first cross-bar arm 26 and the second cross-bar arm 27, the length of the first limit plate 28 is half of the sum of the connection lines of the two pairs of opposite corners of the four-sided link 25, the minimum distance of the vertical distance between the first cross-bar arm 26 and the second cross-bar arm 27 is controlled by the first limit plate 28, when the first cross-bar arm 26 and the second cross-bar arm 27 simultaneously contact the first limit plate 28, the four-side link 25 is formed in a square structure and forms a maximum opening of the pocket, the first stopper plate 28 is perpendicular to the first cross-bar arm 26, a second extension spring 29 is disposed between the first stopper plate 28 and the four-side link 25, the second extension spring 29 is disposed on an extension line of one diagonal line of the four-side link 25 and perpendicular to the other diagonal line of the four-side link 25, and a hook head may be disposed on a side wall of a vertex angle of the four-side link 25 corresponding to the first stopper plate 28 to fix one end of the second extension spring 29 to the hook head and fix the other end of the second extension spring 29 to a middle portion above the first stopper plate 28, and the second extension spring 29 is parallel to the first cross-bar arm 26.

Referring to fig. 2 and 3, in another embodiment of the present invention, the four-side link 25 includes a pair of upper links parallel to each other and a pair of lower links parallel to each other, the upper links and the lower links have the same length, suction cups 36 are respectively installed at the central portions of the inner walls of the upper links and the lower links, support plates 37 are provided on both the upper links and the lower links, self-adhesive is coated on the surfaces of the support plates 37, the support plates 37 installed on the upper links are positioned below the suction cups 36 installed on the upper links, the support plates 37 installed on the lower links are positioned above the suction cups 36 installed on the lower links, the suction cups 36 installed at the central portions of the upper links and the support plates 37 installed at the central portions of the lower links correspond to each other and abut against each other during elongation of the four-side link 25, the support plates 37 installed at the central portions of the upper links and the suction cups 36 installed at the central portions of the lower links correspond to each other, and they are mutually butted for clamping the bag placed in the four-side link 25, and the outer side of the bag is stuck on the supporting plate 37 for preparation for opening the bag, and through the pipe communication between the aforementioned connecting port 35 and the suction cup 36, for generating negative pressure in the rod chamber located in the cylinder 12 and transmitting it to the suction cup 36 through the pipe during the rising process of the piston rod in the cylinder 12, and at the same time generating negative pressure at the suction cup 36 and sucking the bag.

Referring to fig. 1 and 3, in another embodiment of the present invention, the bagging assembly 6 includes a second position-limiting plate 30, the second position-limiting plate 30 is spaced below the mounting plate 8, four columns are provided on the top of the second position-limiting plate 30 for fixedly mounting the second position-limiting plate 30 below the mounting plate 8, a screw 31 is provided below the second position-limiting plate 30, the top end of the screw 31 passes through the second position-limiting plate 30, and has a gap with the second position-limiting plate 30 for rotating the screw 31 below the second position-limiting plate 30, a driving nut 32 is provided on the screw 31 for driving the driving nut 32 to move up and down during the rotation of the screw 31, and the second position-limiting plate 30 limits the maximum height of the driving nut 32, and a mounting table is provided on the driving nut 32 side, the installation platform is positioned on a horizontal plane, a gear 33 is arranged above the installation platform, the gear 33 is positioned in the middle above the installation platform and is used for connecting a direct current motor through the gear 33, two racks 34 which are parallel to each other are arranged outside the gear 33, the two racks 34 are the same and are respectively meshed with the gear 33 and are perpendicular to the first cross rod arm 26 and the second cross rod arm 27, one end of one rack 34 is fixedly arranged below the tail end of the first cross rod arm 26, one end of the other rack 34 is fixedly arranged below the tail end of the second cross rod arm 27, the two racks 34 are used for moving in the tangential direction of the gear 33 along opposite directions in the rotating process of the gear 33, and respectively drive the first cross rod arm 26 and the second cross rod arm 27 to be far away from the first limit plate 28, and simultaneously drive a pair of diagonal opposite angles of four side connecting rods 25 arranged at the upper ends of the first cross rod arm 26 and the second cross rod arm 27 to be opposite to each other Away from each other and the four-side link 25 is elongated, at which time the second tension spring 29 is in an elongated state and stores elastic potential energy.

Referring to fig. 1, in another embodiment of the present invention, a slide rail is disposed between the screw 31 and the mounting platform, the slide rail is fixedly mounted on the sidewall of the second limiting plate 30 and perpendicular to the horizontal plane, and a connecting member is disposed between the mounting platform and the driving nut 32, the connecting member is movably mounted on the slide rail, and is used for driving the connecting member to slide along the slide rail during the lifting process by the driving nut 32 and driving the bag opener 5 fixed on the mounting plate to move up and down by the connecting member.

In another embodiment of the invention, a driving method of an external packing protective layer sleeving device is provided, the external packing protective layer sleeving device is used, step a, a bag is sent, a driving wheel 11 rotates, and drives the bag to pass through a support frame 10 to move downwards and be transported between an inner clamping plate 20 and an outer clamping plate 24; step B, clamping the bag, wherein the electromagnet is electrified and generates magnetic force, and the outer clamping plate 24 is close to the inner clamping plate 20 under the action of the magnetic force and is mutually abutted to clamp the bag; c, cutting the bag, namely adding air pressure to a rodless cavity at the top of the air cylinder 12 to push the piston rod to move downwards to drive the bag clamping device 4 to move downwards so as to drive the bag to move downwards to enter between the four-side connecting rods 25, and extending the first extension spring 14; when the piston rod moves downwards, the sliding rod 16 is driven to move downwards, the sliding block cutter 17 is driven to move transversely along the first sliding chute, and when the piston rod in the air cylinder 12 runs through a stroke, the sliding block cutter 17 is abutted against the support frame 10 and cuts off the bag; d, sucking bags, namely electrifying a direct current motor externally connected with a gear shaft on a gear 33, rotating the gear 33 to drive two racks 34 to be away from each other, lengthening the four-side connecting rod 25, enabling a sucking disc 36 of an upper connecting rod to be in contact with a supporting plate 37 of a lower connecting rod, stopping the ventilation of the upper part of the air cylinder 12, electrifying an electromagnet, enabling an outer clamping plate 24 to be away from the inner clamping plate 20, enabling the first stretching spring 14 to recover the original length, enabling a piston rod in the air cylinder 12 to move upwards, generating negative pressure at the sucking disc 36 communicated with a pipeline of the connecting port 35, and sucking; step E, opening the bag, simultaneously disconnecting the power supply of the access gear 33, contracting the second extension spring 29, enabling the first cross rod arm 26 and the second cross rod arm 27 to be close to the first limiting plate 28, expanding the four-side connecting rod 25 to form a square structure, and opening the bag; step F, bagging, namely enabling the alternating current motor to rotate positively and drive the screw rod 31 to rotate clockwise, enabling the driving nut 32 on the screw rod 31 to move vertically downwards and driving the bag opening device 5 to move vertically downwards to complete bagging; g, resetting, namely reversing the alternating current motor and driving the screw rod 31 to rotate anticlockwise, so that the driving nut 32 on the screw rod 31 vertically moves upwards and drives the bagging mechanism to vertically move upwards to finish resetting; and step H, bagging again, and repeating the steps A to G in sequence.

In practical use of the above preferred embodiment of the present invention, before the external protective layer sleeving apparatus is powered on, the driving nut 32 is located on the top of the lead screw 31 and abuts against the second limiting plate 30, the cylinder 12 is in an initial state, the first extension spring 14, the pushing spring 22, and the second extension spring 29 are all in an original long state, a gap is formed between the inner clamping plate 20 and the outer clamping plate 24, the vertical distance between the slider cutter 17 and the clamping groove is farthest, at this time, the four-side connecting rod 25 is in a square structure, one end of the first limiting plate 28 abuts against the first cross-rod arm 26, and the other end of the first limiting plate 28 abuts against the second cross-rod arm 27; when the outer package protective layer sleeving device is connected with a power supply, the driving wheels 11 start to rotate, bags clamped between the driving wheels 11 move downwards, the bags clamped in the supporting rollers 7 move in the horizontal direction under the driving of the driving wheels 11, and the bags are conveyed between the inner clamping plate 20 and the outer clamping plate 24; meanwhile, the electromagnet is connected to a power supply and generates magnetic force, the electromagnet embedded in the inner clamping plate 20 attracts the outer clamping plate 24 after being electrified, the outer clamping plate 24 is driven to be close to the inner clamping plate 20 and mutually abutted to clamp the bag, the pushing spring 22 which is positioned in the push rod guide rail 18 and close to the inner clamping plate 20 is in a stretching state, the spring which is far away from the inner clamping plate 20 is in a compressing state at the same time, elastic potential energy is stored, and the pushing rod 23 slides along the pushing guide rail and moves towards the direction close to the driving plate 13.

Meanwhile, air pressure is added to a rodless cavity at the top of the air cylinder 12 to push a piston rod in the air cylinder 12 to vertically move downwards, the bag clamping device 4 is driven to vertically move downwards, the bag is driven to move downwards to enter a space between the four-side connecting rods 25, meanwhile, the driving plate 13 vertically moves downwards, the first stretching spring 14 is in a stretching state at the moment and stores elastic potential energy, the connecting rod 15 arranged on the driving plate 13 vertically moves downwards while the driving plate 13 vertically descends, the sliding rod 16 hinged to one end of the connecting rod 15 vertically moves downwards, the sliding rod 16 hinged to one end of the middle of the sliding block cutter 17 moves in the horizontal direction at the same time, the sliding block cutter 17 is driven to horizontally move close to the clamping groove in the supporting frame 10 to move, and when the piston rod in the air cylinder 12 finishes a stroke, the driving plate 13 moves downwards to the lowest point at the, the inner clamping plate 20 and the outer clamping plate 24 clamp the middle lower part of the bag, the slider cutters 17 positioned between the four sides of the four-side connecting rod 25 at the lower end of the bag are abutted against the clamping grooves positioned in the support frame 10, and the bag is cut off by the cutters arranged on the slider cutters 17.

Meanwhile, the gear 33 is driven by the direct current motor to rotate clockwise, the two parallel racks 34 are driven to move reversely in the horizontal direction, the first transverse lever arm 26 and the second transverse lever arm 27 which are respectively arranged on the two racks 34 are driven by the racks 34 to move away from the first limiting plate 28 in the horizontal direction, at the moment, the four-side connecting rod 25 is lengthened, the second stretching spring 29 is in a stretching state and stores elastic potential energy, the sucking disc 36 arranged in the middle of the upper connecting rod corresponds to the supporting plate 37 arranged in the middle of the lower connecting rod and is mutually abutted, the supporting plate 37 arranged in the middle of the upper connecting rod corresponds to the sucking disc 36 arranged in the middle of the lower connecting rod and is mutually abutted, the bag is clamped, and at the moment, two side faces of the bag are both stuck by the supporting plate 37; meanwhile, the bag cutting mechanism 3 finishes bag cutting work, gas injection into a rodless cavity of the air cylinder 12 is stopped, a power supply connected into the electromagnet is disconnected, the pushing spring 22 in the push rod guide rail 18 releases elastic potential energy and recovers the original length, the pushing rod 23 slides in the push rod guide rail 18 and is far away from the driving plate 13, the outer clamping plate 24 is driven to move away from the inner clamping plate 20 along the horizontal direction, the first stretching spring 14 releases elastic potential energy and pulls the driving plate 13 to move vertically upwards, the piston rod in the air cylinder 12 moves vertically upwards, a rod cavity in the air cylinder 12 generates negative pressure and transmits the negative pressure to the suction cup 36 through a pipeline, so that the suction cup 36 generates negative pressure and sucks the two sides of the bag, the connecting rod 15 installed on the driving plate 13 moves vertically upwards while the driving plate 13 rises vertically, and the sliding rod 16 hinged to one end of the connecting rod 15 moves vertically upwards at the moment, meanwhile, the sliding rod 16 hinged to one end of the sliding block cutter 17 moves along the horizontal direction, and the sliding block cutter 17 is far away from the clamping groove in the support frame 10 along the horizontal direction and forms a large gap with the clamping groove, and is used for carrying out next bag clamping, bag pulling and bag cutting actions.

Meanwhile, the power of the direct current motor connected to the gear 33 is cut off, the second extension spring 29 restores its original length under the action of its elastic potential energy, and extends one vertex angle connected to the hook head in a direction close to the gear 33, the first cross lever arm 26 and the second cross lever arm 27 are close to the first limit plate 28, and push the four-side link 25 to unfold, so that the four-side link 25 forms a square structure, and the bag is opened by the adhesion of the suction cup 36 and the support plate 37.

And the lead screw 31 is connected to an alternating current motor, the lead screw 31 rotates clockwise and drives the driving nut 32 to move vertically downwards on the lead screw 31, the bag is sleeved on the plastic shell, and after the top of the bag is contacted with the top of the plastic shell, the driving nut 32 continues to move downwards for a short distance for separating the bag from the suction cup 36 adsorbed on the side wall of the bag and the supporting plate 37 adhered on the side wall of the bag, and bagging is completed.

After the bagging is completed, the screw rod 31 rotates counterclockwise under the action of the alternating current motor and drives the driving nut 32 to ascend to the initial position for the next bagging work.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (10)

1. The utility model provides a device is established to outer packing protective layer cover, includes bag book (1), its characterized in that: bag roll (1) one side is equipped with and send a bag mechanism (2) for the conveying sack, send bag mechanism (2) terminal bottom to be equipped with and cut bag mechanism (3) for cut off the sack cut bag mechanism (3) below installation and press from both sides bagging apparatus (4) for fixed sack, it is equipped with out bagging apparatus (5) to press from both sides bagging apparatus (4) below interval, send bag mechanism (2) bottom to be equipped with cover bag subassembly (6), it installs to open bagging apparatus (5) movable mounting cover on bag subassembly (6).

2. The overwrap protective sleeve device of claim 1, wherein: send bag mechanism (2) including supporting roller (7), supporting roller (7) are installed in mounting panel (8) top, mounting panel (8) end is equipped with switching-over gyro wheel (9), switching-over gyro wheel (9) below is equipped with support frame (10), install support frame (10) mounting panel (8) bottom is equipped with action wheel (11) at support frame (10) top for pass action wheel (11) by the sack and get into in proper order and cut bag mechanism (3), press from both sides bagging apparatus (4), open bagging apparatus (5).

3. The overwrap protective sleeve device of claim 2, wherein: cut bag mechanism and include cylinder (12), cylinder (12) are located mounting panel (8) terminal bottom, cylinder (12) lateral wall is equipped with the connector, cylinder (12) bottom is equipped with drive plate (13), drive plate (13) with be equipped with first extension spring (14) between mounting panel (8), be equipped with connecting rod (15) on drive plate (13), slide bar (16) one end movable mounting be in connecting rod (15) top, slide bar (16) other end movable mounting is at the middle part of slider cutter (17).

4. The overwrap protective sleeve device of claim 3, wherein: the bag clamping device comprises a push rod guide rail (18), the push rod guide rail (18) and a Z-shaped connecting plate are arranged between drive plates (13), the tail end of the push rod guide rail (18) is installed on the outer wall of an inner clamping plate (20), the inner wall of the inner clamping plate (20) is provided with an electromagnet (21) and used for being connected with a power supply through the electromagnet (21), a push spring (22) is arranged in the push rod guide rail (18), a push rod (23) is arranged on the outer side of the push rod guide rail (18), one end of the push rod is movably installed in the push rod guide rail, and the other end of the push rod (23) penetrates through the inner clamping plate (20) and is installed on.

5. The overwrap protective sleeve device of claim 3, wherein: the supporting frame (10) comprises two connecting arms, the inner sides of the two connecting arms are provided with first sliding grooves, and the sliding block cutter (17) is movably arranged between the two connecting arms.

6. The overwrap protective sleeve device of claim 3, wherein: open bagging apparatus (5) and include four sides connecting rod (25), install respectively on first horizontal arm (26) and second horizontal arm (27) a diagonal angle of four sides connecting rod (25), first horizontal arm (26) with be equipped with first limiting plate (28) between second horizontal arm (27), first limiting plate (28) with be equipped with second extension spring (29) between four sides connecting rod (25).

7. The overwrap protective sleeve device of claim 6, wherein: the four-side connecting rod (25) comprises a pair of upper connecting rods parallel to each other and a pair of lower connecting rods parallel to each other, and the middles of the upper connecting rods and the lower connecting rods are respectively provided with a sucking disc (36) and a supporting plate (37) which are communicated with each other through a pipeline between the connecting port (35) and the sucking disc (36).

8. The overwrap protective sleeve device of claim 1, wherein: bagging-off subassembly (6) include second limiting plate (30), second limiting plate (30) top is equipped with the stand, second limiting plate (30) below is equipped with lead screw (31), be equipped with drive nut (32) on lead screw (31), drive nut (32) one side is equipped with the mount table, the mount table top is equipped with gear (33) for insert DC motor by gear (33), gear (33) outside is equipped with two racks (34) that are parallel to each other.

9. The overwrap protective sleeve device of claim 8, wherein: and a connecting piece is arranged between the mounting table and the driving nut (32), and the connecting piece is movably mounted on the slide rail.

10. A driving method of an outer packaging protective layer sleeving device is characterized in that: the outer packaging protective layer sheathing apparatus according to any one of claims 1 to 9, comprising: step A, bag feeding is carried out, a driving wheel rotates and drives the bag to pass through a support frame to move downwards and to be conveyed between an inner clamping plate and an outer clamping plate; b, clamping the bag, wherein the electromagnet is electrified and generates magnetic force, and the outer clamping plate is close to the inner clamping plate under the action of the magnetic force and mutually abutted to clamp the bag; c, cutting the bag, namely adding air pressure to a rodless cavity at the top of the air cylinder to push the piston rod to move downwards to drive the bag clamping device to move downwards so as to drive the bag to move downwards and enter between the four-side connecting rods, and extending the first extension spring; when the piston rod moves downwards, the sliding rod is driven to move downwards, the sliding block cutter is driven to move transversely along the first sliding groove, and when the piston rod in the air cylinder finishes a stroke, the sliding block cutter is abutted against the support frame and cuts off the bag; d, sucking the bag, electrifying a direct current motor externally connected with a gear shaft on a gear, rotating the gear to drive two racks to be away from each other, lengthening the four-side connecting rod, enabling a sucking disc of an upper connecting rod to be in contact with a supporting plate of a lower connecting rod, stopping the ventilation of the upper part of a cylinder, stopping the electrification of an electromagnet, keeping an outer clamping plate away from an inner clamping plate, recovering the original length of a first stretching spring, enabling a piston rod in the cylinder to move upwards, generating negative pressure at the sucking disc communicated with a connecting port pipeline, and sucking the bag; e, opening the bag, simultaneously disconnecting the power supply connected with the gear, contracting the second extension spring, enabling the first cross rod arm and the second cross rod arm to be close to the first limiting plate, opening the four-side connecting rod to form a square structure, and opening the bag; step F, bagging, namely enabling the alternating current motor to rotate forwards and drive the screw rod to rotate clockwise, enabling the driving nut on the screw rod to move vertically downwards and driving the bag opening device to move vertically downwards to complete bagging; g, resetting, namely reversing the alternating current motor and driving the screw rod to rotate anticlockwise, so that the driving nut on the screw rod vertically moves upwards and drives the bagging mechanism to vertically move upwards to finish resetting; and step H, bagging again, and repeating the steps A to G in sequence.

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