CN214873076U

CN214873076U - Two-way sealing device is used in wrapping bag production and processing

Info

Publication number: CN214873076U
Application number: CN202120854100.6U
Authority: CN
Inventors: 蔡为; 陈燕凤
Original assignee: Shanghai Pumao Packaging Material Co ltd
Current assignee: Shanghai Pumao Packaging Material Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2021-11-26
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to a two-way sealing device is used in wrapping bag production and processing, fix including workstation, vertical a plurality of supports on the workstation, be provided with two crossbeams of perpendicular to wrapping bag direction of motion on the support, be provided with on the crossbeam and connect two crossbeams and be used for carrying out the sealing device who seals to the wrapping bag both sides, it is provided with the connecting device that can follow crossbeam length direction motion to slide on the crossbeam, connecting device connects and corresponds on the sealing device. This application has the effect of producing different width wrapping bags.

Description

Two-way sealing device is used in wrapping bag production and processing

Technical Field

The application relates to the field of packaging bag production equipment, in particular to a bidirectional heat sealing device for packaging bag production and processing.

Background

The packaging bag is seen everywhere in our life, and the existing packaging bag making machine comprises a feeding device, a conveying device, a punching device, a heat sealing device and a cutting device, and the working principle of the machine is to process a cylindrical double-layer plastic film into a finished packaging bag. In order to form the packaging bag by the double-layer plastic film, the upper and lower layers of film are heat-sealed together in a form of hot pressing along the longitudinal direction at the edges of the upper and lower layers of film, the two sides of the packaging bag are sealed, and then the double-layer plastic film is heat-sealed along the transverse direction at the specified position, so that the bottom of the packaging bag is sealed, and the packaging bag is formed preliminarily.

The utility model discloses a be CN 210211565U's chinese patent in, disclose trilateral heat-seal equipment of wrapping bag, including work platform, material loading wheel, first bag sealer structure and second bag sealer structure, first bag sealer structure is including pressing material running roller and first gasket, pressing the material running roller both ends respectively the symmetry be fixed with the heat-seal limit wheel, first gasket set up in press the material running roller under, when waiting to process the wrapping bag and pass the position of pressing between material running roller and the first gasket, two the heat-seal limit wheel can with two relative limits of wrapping bag compress tightly on first gasket, the heat-seal limit wheel passes through the heating of heating member, and then is right simultaneously two relative limits of wrapping bag carry out the heat-seal.

In view of the above-mentioned related technologies, the inventor believes that the above-mentioned device mainly seals both sides of the packaging bag through the first sealing mechanism, and because the distance between the two hot cutters is difficult to adjust, there is a packaging bag that can only produce a specific width, and the application range of the device is greatly limited.

SUMMERY OF THE UTILITY MODEL

In order to make the wrapping bag of heat-seal device producible different width, this application provides a two-way heat-seal device is used in wrapping bag production and processing.

The application provides a two-way sealing device is used in wrapping bag production and processing adopts following technical scheme:

the utility model provides a two-way sealing device is used in wrapping bag production and processing, includes that workstation, vertical fixing a plurality of supports on the workstation, its characterized in that: the packaging bag sealing device is characterized in that two cross beams perpendicular to the movement direction of the packaging bag are arranged on the support, a heat sealing device which is used for connecting the two cross beams and sealing two sides of the packaging bag is arranged on the cross beams, a connecting device which can move along the length direction of the cross beams is arranged on the cross beams in a sliding mode, and the connecting device is connected to the heat sealing device correspondingly.

Through adopting above-mentioned technical scheme, double-deck plastic film passes from the workstation upper surface to double-deck plastic film's both sides are located corresponding heat sealing device under, according to double-deck plastic film's width, act on connecting device, make heat sealing device slide on the crossbeam, are used for adjusting two heat sealing device's distance, thereby satisfy the demand of different wrapping bag widths.

Optionally, the connecting device includes a connecting box fixed on the heat sealing device, a driving gear is rotatably connected outside the connecting box, a driving rack parallel to the cross beam is fixed on the cross beam, the driving gear is engaged with the driving rack, the connecting device further includes a limiting mechanism disposed in the connecting box and used for preventing the driving gear from rotating, and a sliding mechanism disposed on the heat sealing device and preventing the heat sealing device from moving in the vertical direction.

Through adopting above-mentioned technical scheme, act on stop gear, drive gear can rotate round self axis, and drive rack rotates, makes drive gear drive sealing device move on the crossbeam to adjust the distance between two sealing device, with the demand that satisfies different wrapping bag widths.

Optionally, the limiting mechanism comprises a limiting gear fixed on the driving gear rotating shaft, a limiting rack is arranged in the connecting box in a sliding mode, the limiting rack can be meshed with the limiting gear and prevents the limiting gear from rotating, and a driving assembly enabling the limiting rack to move in the connecting box is arranged in the connecting box.

Through adopting above-mentioned technical scheme, the staff can act on drive assembly, makes drive gear move in the connecting box, and limit gear and spacing rack toothing to prevent that drive gear from rotating round self axis, drive gear and drive rack meshing, thereby realize the location of sealing device on the crossbeam.

Optionally, the drive assembly is including fixing drive spring in the connecting box, the drive spring lower extreme is fixed spacing rack is last and stimulate spacing rack upward movement, threaded connection has the drive screw who is vertical setting on the connecting box, spacing rack up end is offered and is used for the joint drive screw's drive groove, the drive screw upper end is stretched out outside the connecting box, the lower extreme joint is in the drive inslot.

By adopting the technical scheme, under the action of the driving spring, the limiting rack is pulled to move upwards to be separated from the limiting gear, so that the driving gear can rotate around the axis of the driving gear, the driving screw is rotated to push the limiting rack to move downwards, and the limiting rack is meshed with the limiting gear, so that the limiting gear is prevented from rotating; the arrangement of the driving groove limits the movement direction of the limiting rack, so that the limiting rack can be smoothly meshed with the limiting gear.

Optionally, a sliding groove parallel to the cross beam is formed in the side wall, close to the heat sealing device, of the cross beam, the sliding mechanism comprises a sliding block fixed on the heat sealing device, and a sliding rod capable of being slidably clamped in the sliding groove is arranged in the sliding block.

Through adopting above-mentioned technical scheme, the joint that slides of slide bar has restricted the moving direction of connecting box on the crossbeam in the sliding tray, prevents to drive sealing device upward movement and break away from the crossbeam under the effect of external force.

Optionally, a guide groove is formed in the sliding block, a guide spring is fixed in the guide groove, the guide spring is fixed on the sliding rod and pulls the sliding rod to move towards the guide groove, an operation groove for communicating the guide groove with a connection box is vertically formed in the sliding block, and an operation assembly for driving the sliding rod to be inserted into the sliding groove is arranged in the connection box.

Through adopting above-mentioned technical scheme, act on operating element, make operating element act on the slide bar, the extension of guide spring, the slide bar inserts the operation inslot, realizes the connection of sliding block on the crossbeam, prevents that the sliding block from moving in vertical direction for the crossbeam.

Optionally, the operating assembly includes an operating rod slidably disposed in the operating slot, a lower end of the operating rod is abutted to the sliding rod, a guide surface is disposed on the sliding rod, the operating rod is abutted to the guide surface and pushes the sliding rod to be clamped in the sliding slot during a downward movement process, an operating rack vertically disposed is fixed at an upper end of the operating rod, the operating rack can move in a vertical direction, an operating gear engaged with the operating rack is rotatably connected to the connecting box, and a control assembly for controlling rotation of the operating gear is disposed in the connecting box.

Through adopting above-mentioned technical scheme, rotate the operating gear, make the operating gear drive the downstream of operating rack, the operating rack drives the in-process of operating lever downstream, acts on the spigot surface, makes the slide bar move towards the guide way outward to make the slide bar joint that slides in the slide way.

Optionally, the control assembly includes a ratchet fixed to the operating gear rotating shaft, a rotating shaft is rotatably connected to the connecting box, a pawl clamped to the ratchet is fixed to the rotating shaft, and the control assembly further includes a control member arranged on the connecting box and enabling the pawl to be always abutted to the ratchet.

By adopting the technical scheme, the operating gear drives the ratchet wheel to rotate and drives the operating rack to move downwards, and under the action of the pawl, the ratchet wheel can only move towards the same direction, so that the operating rod is prevented from driving the operating rack to move upwards under the action of the guide spring, and the sliding rod is prevented from being separated from the sliding groove.

Optionally, the outer wall of the connecting box is provided with a control groove coaxial with the rotating shaft, and the control member is a coil spring which is arranged in the control groove and pulls the pawl to be clamped on the ratchet wheel.

By adopting the technical scheme, the coil spring is arranged to enable the pawl to be always abutted against the ratchet wheel and can be clamped in the clamping groove on the ratchet wheel, the reverse rotation of the ratchet wheel is prevented, the coil spring is arranged outside the connecting box and can act on the coil spring to enable the pawl to be separated from the ratchet wheel, so that the ratchet wheel can rotate reversely, the ratchet wheel rotates reversely to drive the operating rack and the operating rod to move upwards, and the sliding rod is driven to be separated from the sliding groove under the action of the guide spring, so that the heat sealing device is convenient to disassemble.

In summary, the present application includes at least one of the following beneficial technical effects:

the driving gear is rotated to roll on the driving rack, so that the distance between the two heat sealing devices is adjusted, and the requirements of different packaging bag widths are met;

the driving screw is rotated to enable the driving screw to drive the limiting rack to move downwards, the limiting rack is meshed with the limiting gear to prevent the limiting gear from rotating, and then the driving gear is prevented from rotating, so that the heat sealing device is positioned on the cross beam.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the connection box according to the embodiment of the present application.

Fig. 3 is a schematic view of a connection structure of a sliding mechanism according to an embodiment of the present application.

FIG. 4 is a schematic view of the connection structure of coil springs on a connection box according to the embodiment of the present application.

Description of reference numerals: 1. a work table; 2. a support; 3. a cross beam; 4. heat sealing the box; 5. a driving cylinder; 6. hot pressing plate; 7. heating plates; 8. a connecting box; 9. a drive gear; 10. a drive rack; 11. a limit gear; 12. a limit rack; 13. a drive spring; 14. a drive screw; 15. a drive slot; 16. a handle; 17. a sliding groove; 18. a slider; 19. a guide groove; 20. a guide spring; 21. a slide bar; 22. an operation slot; 23. an operating lever; 24. a guide surface; 25. operating the rack; 26. a limiting groove; 27. a limiting rod; 28. an operating gear; 29. a hand wheel; 30. a ratchet wheel; 31. a pawl; 32. a control slot; 33. a coil spring; 34. and rotating the shaft.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses two-way sealing device is used in wrapping bag production and processing. Referring to fig. 1, a two-way sealing device is used in wrapping bag production and processing, including installing at subaerial workstation 1, workstation 1 upper surface is the level setting, and there are two sets of supports 2 that are vertical setting at workstation 1 upper surface welding, and same set of support 2 is two and the symmetry sets up the both sides position at workstation 1 upper surface, has the crossbeam 3 of connecting with same set of support 2 at support 2 upper end integrated into one piece, and two crossbeams 3 are the level setting and are on a parallel with double-deck plastic film direction of motion.

Referring to fig. 1, two heat sealing devices connected with two beams 3 are arranged on the beams 3, the two heat sealing devices are vertically arranged and are parallel to each other, the two heat sealing devices are used for sealing two sides of a packaging bag, the heat sealing devices comprise heat sealing boxes 4 connected with the two beams 3, the lower ends of the heat sealing boxes 4 are arranged in an opening manner, two driving cylinders 5 which are vertically arranged are fixed in the heat-seal box 4 through bolts, a hot-pressing plate 6 which is connected with the two driving cylinders 5 in the same heat-seal box 4 is welded on a connecting rod of the driving cylinders 5, the hot-pressing plate 6 is horizontally arranged and is used for performing heat-seal treatment on two sides of a packaging bag, a heating plate 7 is fixed on the upper surface of the hot pressing plate 6, a resistance wire which has heating function to the heating plate 7 is fixed in the heating plate 7, the resistance wire is electrified to generate heat, heating plate 7 is heated, heating plate 7 transmits heat to hot pressboard 6, and hot pressboard 6 seals the processing to wrapping bag both sides process.

Referring to fig. 1 and 2, two connecting devices are slidably disposed on the upper surfaces of the two beams 3, and the connecting devices are connected to the corresponding heat seal boxes 4 and drive the heat seal boxes 4 to move along the direction of approaching or separating from each other on the beams 3, so as to adjust the distance between the two hot press plates 6, thereby meeting the requirements of different widths of the packaging bags. Connecting device includes connecting box 8 through the bolt fastening on heat-seal box 4, rotates through the pivot outside connecting box 8 and is connected with drive gear 9, and it has drive rack 10 that is on a parallel with crossbeam 3 to bond at crossbeam 3 upper surface, and drive rack 10 meshes with drive gear 9, rotates drive gear 9, makes drive gear 9 roll on drive rack 10 to adjust the distance between two hot pressboards 6, in order to satisfy the demand of different wrapping bag widths.

Referring to fig. 1 and 2, a limiting mechanism for preventing rotation of a driving wheel is arranged in a connecting box 8, the limiting mechanism comprises a limiting gear 11 integrally formed on a rotating shaft of the driving gear 9, the limiting gear 11 is coaxial with the driving gear 9, a limiting rack 12 is arranged in the connecting box 8 in a sliding manner, the limiting rack 12 is horizontally arranged and can be meshed with the limiting gear 11, a driving component for enabling the limiting rack 12 to move in a vertical direction is arranged in the connecting box 8, the driving component comprises a driving spring 13 fixed in the connecting box 8, the lower end of the driving spring 13 is welded on the driving rack 10 and pulls the driving rack 10 to move upwards, a driving screw 14 vertically arranged is connected to the connecting box 8 in a threaded manner, the driving screw 14 penetrates through the upper end surface of the connecting box 8, a driving groove 15 is vertically arranged on the upper end surface of the limiting rack 12, and the lower end of the driving screw 14 is clamped in the driving groove 15, the handle 16 is welded to the upper end to facilitate rotation of the drive screw 14. The worker can act on the handle 16 to make the driving screw 14 push the limit rack 12 to move downwards and engage with the limit gear 11 to prevent the limit gear 11 from rotating, so that the driving gear 9 is prevented from rotating, and the heat sealing device is positioned on the beam 3.

Referring to fig. 2 and 3, the side wall of the cross beam 3 close to the heat seal box 4 is provided with a sliding groove 17 parallel to the cross beam 3, and the heat seal box 4 is provided with a sliding mechanism which is slidably clamped in the sliding groove 17 and prevents the heat seal box 4 from moving in the vertical direction. The sliding mechanism comprises a sliding block 18 fixed on the side wall of the heat sealing box 4 through a bolt, the connecting box 8 is fixed on the upper surface of the sliding block 18, the sliding block 18 abuts against the side wall of the cross beam 3 and is provided with a guide groove 19 along the motion direction of the packaging bag, a horizontally arranged guide spring 20 is fixed in the guide groove 19, one end of the guide spring 20 is welded in the guide groove 19, the other end of the guide spring is welded with a sliding rod 21, and the sliding rod 21 is pushed to be clamped in the sliding groove 17.

Referring to fig. 2 and 3, an operation groove 22 is vertically formed in the upper surface of the sliding block 18, the operation groove 22 enables the inside of the connecting box 8 to be communicated with the guide groove 19, an operation component for driving the sliding rod 21 to be inserted into the sliding groove 17 is arranged in the connecting box 8, the operation component comprises an operation rod 23 which is slidably arranged in the operation groove 22, a guide surface 24 is formed in the sliding rod 21, the guide surface 24 inclines downwards from one side of the cross beam 3 to one side of the guide spring 20, the lower end of the operation rod 23 abuts against the guide surface 24, and when the operation rod 23 moves downwards, the sliding rod 21 is pushed to move outwards from the guide groove 19 under the action of the guide surface 24, so that the sliding rod 21 is slidably clamped into the sliding groove 17. The welding has the operation rack 25 that is vertical setting at action bars 23 up end, sets up the spacing groove 26 of cross section rectangle at the operation rack 25 up end is vertical, and the welding has the gag lever post 27 of wearing to establish in spacing groove 26 in connecting box 8, and gag lever post 27 cross section is the rectangle and with the laminating of spacing groove 26 inner wall, plays spacing and guide's effect to operation rack 25. An operating gear 28 meshed with the operating rack 25 is rotatably connected in the connecting box 8 through a rotating shaft, the rotating shaft of the operating gear 28 penetrates through the side wall of the connecting box 8, and a hand wheel 29 convenient for the operating gear 28 to rotate is welded on the rotating shaft of the operating gear 28.

Referring to fig. 2 and 3, a control assembly for controlling the rotation of the operating gear 28 is disposed in the connecting box 8, the control assembly includes a ratchet 30 welded to a rotating shaft of the operating gear 28, the ratchet 30 is coaxial with the operating gear 28, a rotating shaft 34 parallel to the rotating shaft of the ratchet 30 is rotatably connected to the connecting box 8, a pawl 31 is fixed to the rotating shaft 34, the pawl 31 is engageable with a slot of the ratchet 30 to enable the ratchet 30 to rotate only in the same direction, a control member for enabling the pawl 31 to be always abutted against the ratchet 30 is disposed on the connecting box 8, a control slot 32 coaxial with the rotating shaft 34 is disposed on an outer wall of the connecting box 8, the control member is a coil spring 33 disposed in the control slot 32, one end of the coil spring 33 is welded to an inner wall of the control slot 32, the other end of the coil spring 33 is welded to the rotating shaft 34, and the pawl 31 is pulled to be engaged with the slot of the ratchet 30 to separate the pawl 31 from the ratchet 30 by acting on the coil spring 33, so that the ratchet wheel 30 can rotate reversely, and the sliding rod 21 moves towards the guide groove 19 under the action of the guide spring 20, thereby facilitating the installation and the removal of the heat seal box 4 on the cross beam 3.

The implementation principle of the bidirectional heat sealing device for the production and processing of the packaging bags in the embodiment of the application is as follows: according to the requirement of the width of the packaging bag, the driving gear 9 is rotated to enable the driving gear 9 to roll on the driving rack 10, so that the distance between the two hot pressing plates 6 is adjusted, when the driving gear 9 moves to a specified position, the driving screw 14 is rotated to enable the limiting rack 12 to move downwards, the limiting rack 12 is meshed with the limiting gear 11 to prevent the limiting gear 11 from rotating, so that the driving gear 9 is prevented from rotating, and the heat sealing box 4 is positioned on the cross beam 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a two-way sealing device is used in wrapping bag production and processing, includes workstation (1), vertically fixes a plurality of supports (2) on workstation (1), its characterized in that: the packaging bag sealing device is characterized in that two cross beams (3) perpendicular to the movement direction of the packaging bag are arranged on the support (2), a heat sealing device which is used for connecting the two cross beams (3) and sealing the two sides of the packaging bag is arranged on the cross beams (3), a connecting device which can move along the length direction of the cross beams (3) is arranged on the cross beams (3) in a sliding mode, and the connecting device is connected to the heat sealing device correspondingly.

2. The two-way heat sealing device for producing and processing the packaging bags as claimed in claim 1, characterized in that: the connecting device comprises a connecting box (8) fixed on the heat sealing device correspondingly, a driving gear (9) is rotatably connected outside the connecting box (8), a driving rack (10) parallel to the cross beam (3) is fixed on the cross beam (3), the driving gear (9) is meshed with the driving rack (10), and the connecting device further comprises a limiting mechanism arranged in the connecting box (8) and used for preventing the driving gear (9) from rotating and a sliding mechanism arranged on the heat sealing device and used for preventing the heat sealing device from moving in the vertical direction.

3. The two-way heat sealing device for producing and processing the packaging bags as claimed in claim 2, characterized in that: limiting mechanism is including fixing drive gear (9) epaxial limit gear (11) rotate, connecting box (8) internal slipping is provided with limiting rack (12), limiting rack (12) can with limiting gear (11) meshing prevents limiting gear (11) rotate, be provided with in connecting box (8) and make limiting rack (12) be in the drive assembly of connecting box (8) internal motion.

4. The two-way heat sealing device for producing and processing the packaging bags as claimed in claim 3, characterized in that: drive assembly is including fixing drive spring (13) in connecting box (8), drive spring (13) lower extreme is fixed spacing rack (12) are gone up and stimulate spacing rack (12) upward movement, threaded connection has drive screw (14) that are vertical setting on connecting box (8), spacing rack (12) up end is offered and is used for the joint drive groove (15) of drive screw (14), drive screw (14) upper end is stretched out outside connecting box (8), the lower extreme joint is in drive groove (15).

5. The two-way heat sealing device for producing and processing the packaging bags as claimed in claim 2, characterized in that: the side wall of the cross beam (3) close to the heat sealing device is provided with a sliding groove (17) parallel to the cross beam (3), the sliding mechanism comprises a sliding block (18) fixed on the heat sealing device, and a sliding rod (21) which can slide and be clamped in the sliding groove (17) is arranged in the sliding block (18).

6. The two-way heat sealing device for producing and processing the packaging bags as claimed in claim 5, wherein: a guide groove (19) is formed in the sliding block (18), a guide spring (20) is fixed in the guide groove (19), the guide spring (20) is fixed on the sliding rod (21) and pulls the sliding rod (21) to move towards the guide groove (19), an operation groove (22) which enables the guide groove (19) to be communicated with the connecting box (8) is vertically formed in the sliding block (18), and an operation component which drives the sliding rod (21) to be inserted into the sliding groove (17) is arranged in the connecting box (8).

7. The two-way heat sealing device for producing and processing the packaging bags as claimed in claim 6, wherein: the operating assembly comprises an operating rod (23) which is arranged in the operating groove (22) in a sliding mode, the lower end of the operating rod (23) is abutted to the sliding rod (21), a guide surface (24) is formed in the sliding rod (21), the operating rod (23) is abutted to the guide surface (24) and moves downwards, the sliding rod (21) is pushed to be clamped into the sliding groove (17), an operating rack (25) which is vertically arranged is fixed to the upper end of the operating rod (23), the operating rack (25) can move in the vertical direction, an operating gear (28) which is meshed with the operating rack (25) is rotationally connected to the connecting box (8), and a control assembly for controlling the rotation of the operating gear (28) is arranged in the connecting box (8).

8. The two-way heat sealing device for producing and processing the packaging bags as claimed in claim 7, wherein: the control assembly comprises a ratchet wheel (30) fixed on a rotating shaft of the operating gear (28), a rotating shaft (34) is connected in the connecting box (8) in a rotating mode, a pawl (31) clamped on the ratchet wheel (30) is fixed on the rotating shaft (34), and the control assembly further comprises a control piece which is arranged on the connecting box (8) and enables the pawl (31) to be always abutted to the ratchet wheel (30).

9. The two-way heat sealing device for producing and processing the packaging bags according to claim 8, characterized in that: the outer wall of the connecting box (8) is provided with a control groove (32) coaxial with the rotating shaft (34), and the control piece is a coil spring (33) which is arranged in the control groove (32) and used for pulling the pawl (31) to be clamped on the ratchet wheel (30).