CN217228141U

CN217228141U - Wrapping bag heat-seal shutdown mechanism, equipment for packing

Info

Publication number: CN217228141U
Application number: CN202220766039.4U
Authority: CN
Inventors: 邓保华; 黄小兵
Original assignee: Changsha Chuanghuarui Technology Co ltd
Current assignee: Changsha Chuanghuarui Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-19
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a wrapping bag heat-seal shutdown mechanism, equipment for packing, wrapping bag heat-seal shutdown mechanism passes through the first bottom plate of actuating mechanism drive and the synchronous motion of second bottom plate in opposite directions to heat-seal board and the synchronous motion of heat-seal backing plate subassembly in opposite directions make heat-seal board and heat-seal backing plate subassembly be close to each other, carry out the heat-seal operation to the wrapping bag promptly after heat-seal board contacts with heat-seal backing plate subassembly, at the heat-seal in-process the heat-seal board is being pushed away heat-seal backing plate subassembly and wrapping bag with the operation of cutting off is carried out to the wrapping bag through the blade in opposite directions, thereby makes to cut off the operation and go on in step with the heat-seal operation, has improved machining efficiency, and the overall structure of mechanism is comparatively compact. And adopt the monolithic cutting off cutter, when the cutting off cutter appears wearing and tearing and need change, compare in current double knives piece, reduced the maintenance cost.

Description

Wrapping bag heat-seal shutdown mechanism, equipment for packing

Technical Field

The utility model relates to a equipment for packing technical field especially relates to a wrapping bag heat-seal shutdown mechanism, and in addition, still in particular to adopt above-mentioned wrapping bag heat-seal shutdown mechanism's equipment for packing.

Background

In the field of food and medicine packaging, the heat sealing and cutting processes of packaging bags have a very important influence on the bag making efficiency and quality. The traditional packaging tape heat sealing and cutting mechanism has the following defects that the first heat sealing and cutting procedure is carried out step by step, the processing efficiency is not high, and the mechanism is bulky; and the second cutting-off tool is mainly arranged in a two-piece type angle opposite mode, the requirement on the relative position of the blade is high, the debugging is difficult, once the blade is damaged, all the blades need to be replaced, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wrapping bag heat-seal shutdown mechanism, equipment for packing to the heat-seal of solving current heat-seal and shutdown mechanism distributes with the process of cutting off and carries out the machining efficiency who leads to low, the mechanism volume is bloated technical problem.

According to one aspect of the present invention, there is provided a heat sealing and cutting mechanism for packaging bags, comprising a frame, a driving mechanism, a link mechanism, a first bottom plate, a second bottom plate, a heat sealing cushion plate assembly and a blade, wherein the first bottom plate and the second bottom plate are mounted on the frame and can move linearly along the frame, the first bottom plate and the second bottom plate are connected by the link mechanism to move synchronously toward or away from each other, the driving mechanism is mounted on the frame and connected to the second bottom plate, the heat sealing plate is mounted on the first bottom plate, the heat sealing cushion plate assembly is mounted on the second bottom plate and can move linearly along the second bottom plate, the heat sealing plate and the cushion plate assembly are arranged oppositely, the blade is fixedly mounted on the second bottom plate, when performing heat sealing and cutting operation, the driving mechanism drives the second bottom plate and the first bottom plate to move synchronously toward each other, the heat-seal plate and the heat-seal backing plate component are close to each other, the heat-seal plate and the heat-seal backing plate component are in contact and then carry out heat-seal operation on the packaging bag, the heat-seal plate pushes the heat-seal backing plate component and the packaging bag and the blade move in opposite directions, and then the blade cuts off the packaging bag.

Further, install linear bearing on the second bottom plate, heat-seal backing plate subassembly is connected with the pull rod through the jackscrew, the pull rod with linear bearing sets up with the axle center, the cover is equipped with the elastic component on the pull rod, the elastic component respectively with heat-seal backing plate subassembly, second bottom plate are connected.

Furthermore, a guide rod is installed on the rack, and the first bottom plate and the second bottom plate are installed on the guide rod and can move linearly along the guide rod.

Furthermore, the link mechanism comprises a first edge connecting rod, a middle swing arm and a second edge connecting rod, the first edge connecting rod is connected with the first base plate, the second edge connecting rod is connected with the second base plate through pin shafts, two ends of the middle swing arm are connected with the first edge connecting rod and the second edge connecting rod through threaded pins respectively, and the middle of the middle swing arm is further mounted on the rack through a hinge pin.

Further, first baffle is installed to the bottom of first bottom plate, the second baffle is installed to the bottom of heat-seal backing plate subassembly, the bottom at the second bottom plate is installed to the blade, first baffle is close to the second baffle install the cutter pad on the surface, set up the confession on the second baffle the groove of stepping down that the blade passed through, the cutter pad with the blade sets up relatively.

Furthermore, a correlation switch for detecting whether the cut packaging bags are in place is further installed on the rack, and after the correlation switch detects that the cut packaging bags are in place, the driving mechanism acts reversely.

Further, the blade is a serrated blade.

Further, the frame includes first mounting panel, second mounting panel and curb plate, first mounting panel and second mounting panel are through two the curb plate is connected.

Further, the driving mechanism is a lead screw stepping motor, a lead screw nut is mounted on the second bottom plate, and the lead screw nut is matched with an output shaft of the lead screw stepping motor to convert rotary motion into linear motion;

or the driving mechanism is any one of an electric push rod, an air cylinder and a hydraulic cylinder.

Additionally, the utility model also provides a equipment for packing, adopt as above wrapping bag heat-seal shutdown mechanism.

The utility model discloses has following effect:

the utility model discloses a wrapping bag heat-seal shutdown mechanism, through the synchronous opposite motion of the first bottom plate of actuating mechanism drive and second bottom plate to heat-seal board and the synchronous opposite motion of heat-seal backing plate subassembly, make heat-seal board and heat-seal backing plate subassembly be close to each other, carry out the heat-seal operation to the wrapping bag promptly after heat-seal board and heat-seal backing plate subassembly contact, at the heat-seal in-process the heat-seal board is being pushed heat-seal backing plate subassembly and wrapping bag with the blade opposite motion cuts off the operation through the blade to the wrapping bag, thereby makes to cut off operation and heat-seal operation and go on in step, has improved machining efficiency, and the overall structure of mechanism is comparatively compact. And adopt the monolithic cutting off cutter, when the cutting off cutter appears wearing and tearing and need change, compare in current double knives piece, reduced the maintenance cost.

Additionally, the utility model discloses a equipment for packing has above-mentioned advantage equally.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic perspective view of a heat-sealing and cutting mechanism for a packaging bag according to a preferred embodiment of the present invention.

Fig. 2 is a schematic top view of the heat-sealing and cutting mechanism for the packaging bag according to the preferred embodiment of the present invention.

Fig. 3 is a schematic front view of the heat-sealing cutting mechanism for the packaging bag according to the preferred embodiment of the present invention.

Fig. 4 is an enlarged schematic view at a in fig. 2.

Description of the reference numerals

1. A frame; 2. a drive mechanism; 3. a link mechanism; 4. a first base plate; 5. a second base plate; 6. heat-sealing the board; 7. heat sealing the backing plate assembly; 8. a blade; 9. a correlation switch; 10. a light blocking sheet; 61. a heat insulation plate; 11. a first brace plate; 12. a second bracket plate; 13. a side plate; 14. a guide bar; 51. a linear bearing; 71. a pull rod; 72. a second baffle; 73. a base plate; 74. pressing a plate; 75. a backup plate; 76. an elastic member; 22. a feed screw nut; 31. a first side link; 32. a middle swing arm; 33. a second edge link; 34. a pin shaft; 35. a threaded pin; 36. a hinge pin; 41. a first baffle plate; 42. a cutter pad.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.

As shown in fig. 1 to 4, a preferred embodiment of the present invention provides a heat sealing and cutting mechanism for packaging bags, comprising a frame 1, a driving mechanism 2, a link mechanism 3, a first bottom plate 4, a second bottom plate 5, a heat sealing plate 6, a heat sealing plate assembly 7 and a blade 8, wherein the first bottom plate 4 and the second bottom plate 5 are both mounted on the frame 1 and can move linearly along the frame 1, and the first bottom plate 4 and the second bottom plate 5 are connected by the link mechanism 3 to move synchronously toward each other or away from each other, the driving mechanism 2 is mounted on the frame 1 and connected with the second bottom plate 5, the heat sealing plate 6 is mounted on the first bottom plate 4, particularly on the surface of the first bottom plate 4 close to the second bottom plate 5 through a heat insulation plate 61, the heat sealing plate assembly 7 is mounted on the second bottom plate 5 and can move linearly along the second bottom plate 5, heat-seal board 6 with heat-seal backing plate subassembly 7 sets up relatively, blade 8 fixed mounting be in on the second bottom plate 5, when carrying out the heat-seal and cut off the operation, actuating mechanism 2 drives second bottom plate 5 and first bottom plate 4 synchronous phase to each other remove, heat-seal board 6 with heat-seal backing plate subassembly 7 is close to each other heat-seal board 6 with carry out the in-process of heat-seal operation to the wrapping bag after heat-seal backing plate subassembly 7 contacts, heat-seal board 6 is being pushed heat-seal backing plate subassembly 7 and wrapping bag with blade 8 moves in opposite directions, afterwards blade 8 cuts off the operation to the wrapping bag.

It can be understood that the wrapping bag heat-seal shutdown mechanism of this embodiment drives first bottom plate 4 and the synchronous opposite movement of second bottom plate 5 through actuating mechanism 2 to heat-seal board 6 and the synchronous opposite movement of heat-seal backing plate subassembly 7 make heat-seal board 6 and heat-seal backing plate subassembly 7 be close to each other, carry out the heat-seal operation to the wrapping bag promptly after heat-seal board 6 contacts with heat-seal backing plate subassembly 7, at the heat-seal in-process heat-seal board 6 is pushing heat-seal backing plate subassembly 7 and wrapping bag with blade 8 opposite movement cuts off the operation through blade 8 to the wrapping bag, thereby makes and cuts off the operation and go on in step with the heat-seal operation, has improved machining efficiency, and the overall structure of mechanism is comparatively compact.

The rack 1 comprises a first support plate 11, a second support plate 12 and side plates 13, the first support plate 11 and the second support plate 12 are connected through the two side plates 13, the driving mechanism 2 is installed on the second support plate 12, and the link mechanism 3 is rotatably installed on the side plates 13. Optionally, a guide bar 14 is further installed on the frame 1, specifically, between the first rack plate 11 and the second rack plate 12, and the first bottom plate 4 and the second bottom plate 5 are both installed on the guide bar 14 and can move linearly along the guide bar 14. The perpendicularity of the linear motion is advantageously ensured by providing the guide bar 14. Preferably, linear bearings are further mounted on the first base plate 4 and the second base plate 5 so as to reduce sliding resistance. It is understood that, alternatively, the first bottom plate 4 and the second bottom plate 5 may also slide linearly on the frame 1 by using a sliding structure of a sliding block + a sliding groove or a sliding block + a guiding rail.

Optionally, a linear bearing 51 is installed on the second bottom plate 5, preferably, a flange linear bearing is adopted, the heat-seal backing plate assembly 7 is connected with a pull rod 71 through a jackscrew, the pull rod 71 and the linear bearing 51 are coaxially arranged, an elastic member 76 is sleeved on the pull rod 71, and the elastic member 76 is respectively connected with the heat-seal backing plate assembly 7 and the second bottom plate 5. Wherein the elastic member 76 is preferably a spring. In the initial stage, the driving mechanism 2 drives the second base plate 5 and the first base plate 4 to synchronously move towards each other, the second base plate 5 presses the elastic member 76 and pushes the heat-seal backing plate assembly 7 to move leftwards, and the heat-seal plate 6 is driven by the first base plate 4 to move rightwards, so that the second base plate 5 and the first base plate 4 synchronously move towards each other. When the heat seal plate 6 contacts the heat seal cushion plate assembly 7, the heat seal plate 6 pushes the heat seal cushion plate assembly 7 to move in the opposite direction, that is, the heat seal cushion plate assembly 7 moves to the right, and the heat seal cushion plate assembly 7 moves toward the second bottom plate 5, so as to further press the elastic member 76. Also, after the heat-seal cutting operation is completed, the heat-seal cushion plate assembly 7 can be elastically restored by the elastic member 76. It can be understood that the heat seal backing plate assembly 7 comprises a backing plate 73, a pressure plate 74 and a backup plate 75, wherein the backing plate 73 and the pressure plate 74 are pressed on the backup plate 75 through threaded connection, the pressure plate 74 is positioned between the backing plate 73 and the backup plate 75, and the backup plate 75 is connected with the pull rod 71 through a jackscrew.

The driving mechanism 2 is a screw rod stepping motor, the second bottom plate 5 is provided with a screw rod nut 22, and the screw rod nut 22 is matched with an output shaft of the screw rod stepping motor to convert rotary motion into linear motion. Or, the driving mechanism 2 is any one of an electric push rod, an air cylinder and a hydraulic cylinder, and can be selected according to actual requirements.

It can be understood that the link mechanism 3 includes a first side link 31, an intermediate swing arm 32 and a second side link 33, the first side link 31 and the first base plate 4, and the second side link 33 and the second base plate 5 are all connected by a pin 34, two ends of the intermediate swing arm 32 are respectively connected with the first side link 31 and the second side link 33 by a threaded pin 35, and the middle of the intermediate swing arm 32 is further mounted on the frame 1 by a hinge pin 36. When the driving mechanism 2 drives the second bottom plate 5 to move leftwards, the second side connecting rod 33 rotates along with the second bottom plate, so that the middle swing arm 32 and the first side connecting rod 31 are driven to rotate together, and the first side connecting rod 31 drives the first bottom plate 4 to move rightwards, so that the first bottom plate 4 and the second bottom plate 5 move towards each other. When the driving mechanism 2 drives the second bottom plate 5 to move rightwards, the second side connecting rod 33, the middle swing arm 32 and the first side connecting rod 31 are linked, so that the first bottom plate 4 is driven to move leftwards, and the first bottom plate 4 and the second bottom plate 5 move oppositely. Realize first

bottom plate

4 and 5 synchronous phase to each other removal or move back on the back of the body of second bottom plate through link mechanism 3, control both sides and go on in step when guaranteeing the heat-seal, obtain better heat-seal effect.

Optionally, first baffle 41 is installed to the bottom of first bottom plate 4, second baffle 72 is installed to the bottom of heat-seal backing plate subassembly 7, the bottom at second bottom plate 5 is installed to blade 8, first baffle 41 is close to the cutter pad 42 is installed on the surface of second baffle 72, set up the confession on the second baffle 72 the groove of stepping down that blade 8 passed through, cutter pad 42 with blade 8 sets up relatively. After the first bottom plate 4 and the second bottom plate 5 are contacted, the first bottom plate 4 pushes the second bottom plate 5 and the packaging bag to move towards the blade 8, meanwhile, the cutter pad 42 also pushes the lower part of the heat sealing part of the packaging bag to move towards the blade 8, and the cutting operation is finished when the blade 8 is abutted against the cutter pad 42.

It can be understood that because the heat sealing and the cutting off are carried out synchronously, certain tensioning force can be generated on the packaging bag together, so that the packaging bag is tightened, and the blade 8 is favorable for cutting off the packaging bag quickly and obtaining a smooth cut. Optionally, the blade 8 is a serrated blade, each serrated edge is relatively independent, the cutting capacity is greatly enhanced, and the tension force required by the packaging bag is smaller than that required by a planar blade. And because the single-blade cutting blade is adopted, when the cutting blade is worn and needs to be replaced, compared with the existing double-blade cutting blade, the maintenance cost is reduced. It is further preferred that the serrations on the blade 8 are uneven so as to make a contact with the pouch in sequence for easier cutting.

Optionally, the machine frame 1 is further provided with a correlation switch 9 for detecting whether the cut packaging bag is in place, and when the correlation switch 9 detects that the packaging bag is in place, namely after heat sealing and cutting-off operation are completed, the driving mechanism 2 can be controlled to move reversely, so that the first bottom plate 4 and the second bottom plate 5 are driven to move back to back. It can be understood that after the heat sealing and cutting processes are completed, the packaging bag falls into a bag dragging mechanism (not shown) and is positioned between the two opposite injection switches 9, and at this time, the signal of the opposite injection switch 9 changes, so that the screw rod stepping motor is controlled to rotate reversely.

Optionally, a light barrier 10 is further installed on the frame 1, a photoelectric switch (not shown) is installed on the second bottom plate 5, and when the lead screw stepping motor rotates reversely to drive the second bottom plate 5 to move reversely, and when the photoelectric switch moves to the position of the light barrier 10, the lead screw stepping motor is controlled to stop working, so that a limiting effect is exerted on the second bottom plate 5.

Additionally, the utility model also provides a equipment for packing, preferred adoption as above wrapping bag heat-seal shutdown mechanism.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The packaging bag heat-sealing and cutting mechanism is characterized by comprising a rack (1), a driving mechanism (2), a link mechanism (3), a first bottom plate (4), a second bottom plate (5), a heat-sealing plate (6), a heat-sealing base plate component (7) and a blade (8), wherein the first bottom plate (4) and the second bottom plate (5) are both installed on the rack (1) and can linearly move along the rack (1), the first bottom plate (4) and the second bottom plate (5) are connected through the link mechanism (3) to synchronously move in opposite directions or move back to back, the driving mechanism (2) is installed on the rack (1) and is connected with the second bottom plate (5), the heat-sealing plate (6) is installed on the first bottom plate (4), the heat-sealing base plate component (7) is installed on the second bottom plate (5) and can linearly move relative to the second bottom plate (5), the heat-seal plate (6) and the heat-seal backing plate component (7) are arranged oppositely, the blade (8) is fixedly installed on the second base plate (5), when heat-seal cutting operation is carried out, the driving mechanism (2) drives the second base plate (5) and the first base plate (4) to move synchronously and oppositely, the heat-seal plate (6) and the heat-seal backing plate component (7) are close to each other, the heat-seal plate (6) and the heat-seal backing plate component (7) are in contact with each other and then carry out heat-seal operation on the packaging bag, the heat-seal plate (6) pushes the heat-seal backing plate component (7) and the packaging bag and the blade (8) move oppositely, and then the blade (8) cuts off the packaging bag.

2. The heat-seal cutting mechanism for the packaging bag according to claim 1, wherein the second bottom plate (5) is provided with a linear bearing (51), the heat-seal cushion plate assembly (7) is connected with the pull rod (71) through a jackscrew, the pull rod (71) and the linear bearing (51) are coaxially arranged, the pull rod (71) is sleeved with an elastic member (76), and the elastic member (76) is respectively connected with the heat-seal cushion plate assembly (7) and the second bottom plate (5).

3. The heat-seal cutting mechanism for the packaging bag according to claim 1, wherein a guide bar (14) is mounted on said frame (1), and said first bottom plate (4) and said second bottom plate (5) are mounted on said guide bar (14) and linearly movable along said guide bar (14).

4. The heat-seal cutting mechanism for the packaging bag according to claim 1, wherein the link mechanism (3) comprises a first side link (31), a middle swing arm (32) and a second side link (33), the first side link (31) and the first bottom plate (4) and the second side link (33) and the second bottom plate (5) are connected through a pin shaft (34), two ends of the middle swing arm (32) are respectively connected with the first side link (31) and the second side link (33) through a threaded pin (35), and the middle of the middle swing arm (32) is further mounted on the rack (1) through a hinge pin (36).

5. The heat-seal cutting mechanism for the packaging bag according to claim 1, wherein a first baffle (41) is installed at the bottom of the first bottom plate (4), a second baffle (72) is installed at the bottom of the heat-seal backing plate assembly (7), the blade (8) is installed at the bottom of the second bottom plate (5), the first baffle (41) is close to the surface of the second baffle (72) and is provided with a cutter pad (42), the second baffle (72) is provided with a relief groove for the blade (8) to pass through, and the cutter pad (42) and the blade (8) are arranged oppositely.

6. The heat-seal cutting mechanism for the packaging bag according to claim 1, wherein a correlation switch (9) for detecting whether the cut packaging bag is in place is further installed on the frame (1), and the driving mechanism (2) is operated in reverse after the correlation switch (9) detects that the cut packaging bag is in place.

7. The heat-seal cutting mechanism for the packaging bag according to claim 1, wherein the blade (8) is a serrated blade.

8. The heat-seal cutting mechanism for the packaging bag according to claim 1, wherein said frame (1) comprises a first frame plate (11), a second frame plate (12) and a side plate (13), said first frame plate (11) and said second frame plate (12) being connected by two of said side plates (13).

9. The heat-seal cutting mechanism for the packaging bag according to claim 1, wherein the driving mechanism (2) is a screw rod stepping motor, the second base plate (5) is provided with a screw rod nut (22), and the screw rod nut (22) is matched with an output shaft of the screw rod stepping motor to convert the rotary motion into the linear motion;

or the driving mechanism (2) is any one of an electric push rod, an air cylinder and a hydraulic cylinder.

10. A packaging apparatus, characterized in that the heat-seal cutting mechanism for the packaging bag according to any one of claims 1 to 9 is used.