CN217649049U

CN217649049U - Heat sealing mechanism of bag making machine

Info

Publication number: CN217649049U
Application number: CN202221705906.XU
Authority: CN
Inventors: 汪洪静; 崔肖宁
Original assignee: Eiahe Packaging System Co ltd
Current assignee: Eiahe Packaging System Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-10-25
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a heat-sealing mechanism of a bag making machine, which comprises a frame, wherein a first clamping plate and a second clamping plate are arranged on the frame, a first mounting plate and a second mounting plate are arranged on the frame, a drive plate is arranged at the outer end of a guide rod, a vertical plate is arranged between the drive plate and the first mounting plate, a first connecting rod and a second connecting rod are hinged on the vertical plate, the first connecting rod is hinged on the drive plate, the second connecting rod is hinged on the first mounting plate, and a first driving device for driving the vertical plate to move up and down is arranged on the frame; the utility model discloses the riser reciprocates and drives first mounting panel and the synchronous relative movement of second mounting panel to make first splint and second splint keep synchronous relative movement, guarantee that the wrapping bag seals the stable in position, and first connecting rod and second connecting rod change the pressure of riser and drive first mounting panel and second mounting panel and press from both sides tightly mutually, improve the clamp force, reduce drive arrangement's burden, improve the quality of sealing of wrapping bag.

Description

Heat sealing mechanism of bag making machine

Technical Field

The utility model relates to a wrapping bag seals technical field, especially relates to a system bag machine heat-sealing mechanism.

Background

In daily life, a packaging bag is a common container applied to filling of various materials, a common packaging bag is formed by hot-melt bonding of a folded position of the packaging bag through a heat sealing mechanism after a plastic film is folded in half, the plastic film needs to keep an original path to move during heat sealing, two clamping plates of the heat sealing mechanism need to move to the position of the plastic film at the same time, a heating block on each clamping plate carries out heat-seal bonding on the folded position of the plastic film, the current heat sealing mechanism drives the two clamping plates to move in a reciprocating mode oppositely through two independent motors or oil cylinders, the heat sealing precision is not easy to control, if the movement of the two clamping plates generates deviation, the plastic film is easy to deviate during heat sealing, the heat sealing position of the plastic film can be changed accordingly, and the heat sealing stability of the packaging bag is influenced; and two independent drive arrangement drive two splint press from both sides tight plastic film, and the clamp force demand is great, brings very big burden for actuating mechanism, and the clamp force is not enough has also influenced the fashioned quality of wrapping bag, consequently needs a heat-seal machine who can further improve the wrapping bag quality to construct.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a system bag machine heat-seal mechanism to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a system bag machine heat-seal mechanism, includes the frame, is provided with the opening that supplies the plastic film to pass in the frame, and the both sides of opening are provided with first splint and second splint respectively, cooperation first splint and second splint are provided with first mounting panel and second mounting panel respectively in the frame, the second mounting panel passes through the mobilizable setting of guide bar in the frame, the mobilizable setting of first mounting panel is on the guide bar, cooperation guide bar is provided with the guide holder in the frame, the outer end of guide bar is provided with the drive plate, be provided with the riser between drive plate and the first mounting panel, cooperation drive plate and first mounting panel articulate respectively on the riser and are provided with first connecting rod and second connecting rod, first connecting rod articulates to set up on the drive plate, the articulated setting of second connecting rod is on first mounting panel, be provided with the first drive arrangement that the drive riser reciprocated in the frame.

Further, the included angle between the first connecting rod and the second connecting rod is larger than 90 degrees.

Further, the frame is hinged to be provided with a reversing rod, a rotating shaft is arranged on the vertical plate, a long hole is formed in the right side of the reversing rod in a matched mode with the rotating shaft, and the first driving device drives the vertical plate to move up and down through the left side swing of the driving reversing rod.

Furthermore, the first driving device is a servo motor, a rotating wheel is arranged at the output end of the first driving device, a third connecting rod is eccentrically and hingedly arranged on the rotating wheel, and the upper end of the third connecting rod is hingedly arranged on the left side of the reversing rod.

Further, the third connecting rod comprises a bottom rod and a cylinder rod which mutually form a piston shape, and a compression spring is arranged between the bottom of the cylinder rod and the bottom rod.

Furthermore, first connecting rod and second connecting rod all are provided with two on the riser, the guide bar all is provided with one in the upper and lower both sides of first mounting panel.

Furthermore, first splint and second splint are installed on first mounting panel and second mounting panel through first mount pad and second mount pad respectively, first adjustment tank and second adjustment tank have been seted up respectively to cooperation first mounting panel and second mounting panel on first mount pad and the second mount pad.

Furthermore, the rear side of second mounting panel is provided with adjusting screw, the rear side spiro union of second mount pad is on adjusting screw, the adjustment tank has been seted up in adjusting screw's upper end in the frame.

Furthermore, a positioning plate is horizontally arranged on the first clamping plate in a rotating mode, and a magnetic block capable of sucking the positioning plate is arranged on the rear side of the positioning plate.

Furthermore, the bottom of the rack is provided with a guide rail, and a second driving device for driving the rack to move along the guide rail is arranged on the rack.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses the riser reciprocates the first connecting rod of accessible and drives first mounting panel and the synchronous relative movement of second mounting panel with the second connecting rod to make first splint and second splint keep synchronous relative movement, it is higher than two splint independent motion precision, position during the clamp bag is accurate, guarantee that the wrapping bag seals the position stability, and first connecting rod and second connecting rod trade the pressure of riser and drive first mounting panel and second mounting panel and press from both sides tightly mutually, the improvement clamp force, reduce drive arrangement's burden, improve the quality of sealing of wrapping bag.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of the inside of the embodiment of the present invention;

fig. 3 is a schematic plan view of the inside of the embodiment of the present invention;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is an exploded view of a second clamping plate and a second mounting seat in accordance with an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of the bottom rod and the barrel rod of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-6, a heat sealing mechanism for a bag making machine according to this embodiment includes a frame 1, where the frame 1 is provided with an opening through which a plastic film passes, two sides of the opening are respectively provided with a first clamping plate 2 and a second clamping plate 3, the first clamping plate 2 and the second clamping plate 3 are both provided with heating blocks, the frame 1 is provided with a first mounting plate 21 and a second mounting plate 31 in cooperation with the first clamping plate 2 and the second clamping plate 3, the second mounting plate 31 is movably disposed on the frame 1 through a guide rod, the first mounting plate 21 is movably disposed on the guide rod 4, the frame 1 is provided with a guide seat 11 in cooperation with the guide rod 4, an outer end of the guide rod 4 is provided with a driving plate 41, a vertical plate 5 is disposed between the driving plate 41 and the first mounting plate 21, the vertical plate 5 is provided with a first connecting rod 51 and a second connecting rod 52 in cooperation with the driving plate 41 and the first mounting plate 21, the first connecting rod 51 is hinged to the driving plate 41, the second connecting rod 52 is hinged to the first mounting plate 21, and the frame 1 is provided with a first driving device 53 for driving the vertical plate 5; preferably, the angle between the first link 51 and the second link 52 is greater than 90 °;

the plastic film is intermittently conveyed at the through hole of the rack 1, the first clamping plate 2 and the second clamping plate 3 move in a reciprocating manner in opposite directions to enable the two heating blocks to perform intermittent sealing action on the plastic film, the first driving device 53 drives the vertical plate 5 to move up and down, the vertical plate 5 can drive the inner ends of the first connecting rod 51 and the second connecting rod 52 to move up and down, and the guide seat 11 limits the first mounting plate 21, the second mounting plate 31 and the driving plate 41 to move only in the axial direction of the guide rod 4, so that the outer ends of the first connecting rod 51 and the second connecting rod 52 cannot move up and down, the first connecting rod 51 and the second connecting rod 52 swing, the first connecting rod 51 and the second connecting rod 52 respectively push out the driving plate 41 and the first mounting plate 21 outwards, wherein the driving plate 41, the guide rod 4 and the second mounting plate 31 move leftwards, the first mounting plate 21 is synchronous on the guide rod 4, namely the movement of the first mounting plate 21 and the second mounting plate 31 in opposite directions is realized, and the first clamping plate 2 and the second clamping plate 3 can clamp the plastic film tightly and seal the plastic film; the vertical plate 5 is shifted downwards by the first connecting rod 51 and the second connecting rod 52 to be shifted to the back direction of the driving plate 41 and the first mounting plate 21, namely the first mounting plate 21 and the second mounting plate 31 are shifted oppositely, wherein the included angle between the first connecting rod 51 and the second connecting rod 52 is larger than 90 degrees, and the included angle between the first connecting rod 51 and the second connecting plate 52 is an obtuse angle, so that the vertical plate 5 drives the driving plate 41 and the first mounting plate 21 to move more labor-saving through the first connecting plate 51 and the second connecting plate 52;

preferably, the frame 1 is hinged with a reversing rod 6, the vertical plate 5 is provided with a rotating shaft 54, the right side of the reversing rod 6 is matched with the rotating shaft 54 to be provided with a long hole 61, and the first driving device 53 drives the vertical plate 5 to move up and down by driving the left side of the reversing rod 6 to swing; the first driving device 53 drives the reversing rod 6 to swing, and the right side of the reversing rod 6 drives the rotating shaft 54 to move up and down through the long hole 61, so that the vertical plate 5 can be driven to move up and down; in the embodiment, the rotating shaft 54 is arranged on the upper side of the vertical plate 5, the reversing rod 6 is arranged on the left side of the rotating shaft 54, and the first driving device 53 can be arranged on the lower side of the reversing rod 6, so that the height of the whole mechanism in the vertical direction can be reduced, the installation is convenient, and the influence on the stability is avoided;

preferably, the first driving device 53 is a servo motor, the output end of the first driving device 53 is provided with a rotating wheel 55, the rotating wheel 55 is eccentrically and hingedly provided with a third connecting rod 7, and the upper end of the third connecting rod 7 is hingedly arranged at the left side of the reversing rod 6; in this embodiment, the upper end of the third connecting rod 7 is hinged to the left end of the reversing rod 6, the servo motor drives the rotating wheel 55 to swing, and the rotating wheel 55 drives the bottom of the third connecting rod 7 to swing up and down, so that the reversing rod 6 can be driven to swing;

preferably, the third connecting rod 7 comprises a bottom rod 71 and a barrel rod 72 which are mutually combined into a piston shape, a compression spring 73 is arranged between the bottom of the barrel rod 72 and the bottom rod 71, in this embodiment, when the bottom rod 71 moves upwards, the barrel rod 72 is driven by the compression spring 73 to move upwards, and then the vertical plate 5 is driven by the reversing rod 6 to move downwards, the vertical plate 5 drives the driving plate 41 and the first mounting plate 21 to move backwards by the first connecting rod 51 and the second connecting rod 52, the first mounting plate 21 and the second mounting plate 31 move towards each other, that is, the first clamping plate 2 and the second clamping plate 3 move towards each other to clamp the plastic film, when the first clamping plate 2 and the second clamping plate 3 are clamped, the bottom rod 71 and the barrel rod 72 can be buffered by the compression spring 73, so that the damage to the equipment due to excessive upward movement of the bottom rod 71 is avoided, and the clamping effect of the first clamping plate 2 and the second clamping plate 3 can also be ensured;

preferably, the first connecting rod 51 and the second connecting rod 52 are respectively provided with two positions on the vertical plate 5, and the guide rod 4 is respectively provided with one position on the upper side and the lower side of the first mounting plate 21, so that the stable movement of the first mounting plate 21, the driving plate 41 and the second mounting plate 31 is ensured;

preferably, the first clamping plate 2 and the second clamping plate 3 are respectively installed on the first installation plate 21 and the second installation plate 31 through the first installation seat 22 and the second installation seat 32, the first installation seat 22 and the second installation seat 32 are respectively provided with the first adjustment groove 23 and the second adjustment groove 33 by matching with the first installation plate 21 and the second installation plate 31, and when the depths of the packaging bags to be processed are different, the heights of the plastic films are also different, so that the heights of the first clamping plate 2 and the second clamping plate 3 can be adjusted to adapt to the plastic films with different heights for sealing; the first clamping plate 2 and the first mounting seat 22 are fastened through bolts, and the second clamping plate 3 and the second mounting seat 32 are also fastened through bolts; the first mounting seat 22 and the second mounting seat 32 can be adjusted in position up and down in the first adjusting groove 23 and the second adjusting groove 33, and the height adjustment of the first clamping plate 2 and the second clamping plate 3 can be realized by fastening the first clamping plate 2 and the second clamping plate 3 at different positions;

preferably, an adjusting screw 34 is arranged at the rear side of the second mounting plate 31, the rear side of the second mounting plate 32 is screwed on the adjusting screw 34, the second mounting plate 32, the second adjusting groove 33 and the adjusting screw 34 form a screw rod structure, the upper end of the adjusting screw 34 on the frame 1 is provided with an adjusting groove 14, the upper end of the adjusting screw 34 can be provided with a quincunx hole, before the equipment operates, a worker can rotate the adjusting screw 34 at the adjusting groove 14 through the quincunx hole through a spanner, so that the second mounting plate 32 can move up and down in the second adjusting groove 33, after the position of the second mounting plate 32 is determined, after the connection between the first clamping plate 2 and the first mounting plate 22 is loosened, the second clamping plate can be manually adjusted to be flush with the second clamping plate 3, and the position of the first clamping plate 2 is determined;

preferably, but horizontal pivoted is provided with locating plate 24 on first splint 2, the rear side of locating plate 24 is provided with the magnetic path 25 that can inhale locating plate 24, when adjusting first splint 2's height, can unscrew locating plate 24, when locating plate 24 was taken on second splint 3, first splint 2 flushed with second splint 3 promptly, fasten first splint 2 with first mount pad 22 after, can be with locating plate 24 internal rotation, fix through magnetic path 25, locating plate 24 was rolled out when avoiding first splint 2 horizontal migration.

Preferably, the bottom of the machine frame 1 is provided with a guide rail 12, the machine frame 1 is provided with a second driving device 13 for driving the machine frame 1 to move along the guide rail 12, the machine frame 1 can be arranged on a base of the packaging bag conveying device, a rack (not shown in the figure) can be arranged on the base, the second driving device 13 is a servo motor, an output shaft of the servo motor is matched with the rack to be provided with a gear, the position of the machine frame 1 on the base is adjusted by rotating the driving gear, and the position of the machine frame 1 can be adjusted according to the sealing requirements of packaging bags with different widths.

The working process of the embodiment is as follows: the plastic film is conveyed intermittently at the through hole, the servo motor drives the rotating wheel 55 to swing to drive the bottom rod 71 and the barrel rod 72 to move in a telescopic mode, the reversing rod 6 swings to drive the vertical plate 5 to move downwards, the first connecting rod 51 and the second connecting rod 52 on the vertical plate 5 respectively drive the driving plate 41 and the first mounting plate 21 to move back and forth, the driving plate 41 drives the second mounting plate 31 to move left through the guide rod 4, namely the first mounting plate 21 and the second mounting plate 31 move towards each other, so that the first clamping plate 2 and the second clamping plate 3 move towards each other, so that the two heating blocks seal the plastic film, after sealing, the servo motor drives the rotating wheel 55 to swing back and drive the bottom rod 71 and the barrel rod 72 to retract, the reversing rod 6 swings back and drives the vertical plate 5 to move upwards, the first connecting rod 51 and the second connecting rod 52 on the vertical plate 5 respectively drive the driving plate 41 and the first mounting plate 21 to move towards each other, the driving plate 41 drives the second mounting plate 31 to move towards the right through the guide rod 4, namely the first mounting plate 21 and the second mounting plate 31 move back and the second mounting plate 31 to move towards each other, so that the first clamping plate 2 and the second clamping plate 3 move towards each other, so that a next plastic film is prepared to be conveyed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A system bag machine heat-seal machine constructs which characterized in that: including the frame, be provided with the opening that supplies the plastic film to pass in the frame, the both sides of opening are provided with first splint and second splint respectively, cooperation first splint and second splint are provided with first mounting panel and second mounting panel respectively in the frame, the second mounting panel passes through the mobilizable setting of guide bar in the frame, the mobilizable setting of first mounting panel is on the guide bar, cooperation guide bar is provided with the guide holder in the frame, the outer end of guide bar is provided with the drive plate, be provided with the riser between drive plate and the first mounting panel, cooperation drive plate and first mounting panel articulate respectively on the riser and are provided with first connecting rod and second connecting rod, the articulated setting of first connecting rod is on the drive plate, the articulated setting of second connecting rod is on first mounting panel, be provided with the first drive arrangement that the drive riser reciprocated in the frame.

2. A heat sealing mechanism for a bag machine according to claim 1, wherein: the included angle between the first connecting rod and the second connecting rod is larger than 90 degrees.

3. A heat sealing mechanism for a bag machine according to claim 1, wherein: the frame is articulated to be provided with the reversing bar, be provided with the pivot on the riser, the slot hole has been seted up in the right side cooperation pivot of reversing bar, first drive arrangement drives the riser through the left side swing of drive reversing bar and reciprocates.

4. A heat sealing mechanism for a bag machine according to claim 3, wherein: the first driving device is a servo motor, the output end of the first driving device is provided with a rotating wheel, a third connecting rod is eccentrically hinged to the rotating wheel, and the upper end of the third connecting rod is hinged to the left side of the reversing rod.

5. The heat sealing mechanism of a bag machine according to claim 4, wherein: the third connecting rod comprises a bottom rod and a cylinder rod which mutually form a piston shape, and a compression spring is arranged between the bottom of the cylinder rod and the bottom rod.

6. A heat sealing mechanism for a bag machine according to claim 1, wherein: the first connecting rod and the second connecting rod are arranged at two positions on the vertical plate, and the guide rod is arranged on each of the upper side and the lower side of the first mounting plate.

7. A heat sealing mechanism for a bag machine according to claim 1, wherein: first splint and second splint are installed on first mounting panel and second mounting panel through first mount pad and second mount pad respectively, first adjustment tank and second adjustment tank have been seted up respectively to cooperation first mounting panel and second mounting panel on first mount pad and the second mount pad.

8. The heat sealing mechanism of a bag machine according to claim 7, wherein: the rear side of the second mounting plate is provided with an adjusting screw, the rear side of the second mounting seat is screwed on the adjusting screw, and an adjusting groove is formed in the upper end of the adjusting screw on the rack.

9. The heat sealing mechanism of a bag making machine according to claim 8, wherein: the first clamping plate is provided with a positioning plate which can horizontally rotate, and the rear side of the positioning plate is provided with a magnetic block capable of sucking the positioning plate.

10. A heat sealing mechanism for a bag machine according to claim 1, wherein: the bottom of frame is provided with the guided way, is provided with the second drive arrangement of drive frame along the guided way removal in the frame.