CN219904956U - Packaging bag heat sealing device - Google Patents

Abstract

The utility model discloses a packaging bag heat sealing device, which comprises: a frame; the heat sealing plate is arranged on the rack and provided with a heat cover facing the horizontal direction; the pressing plate mechanism is arranged on the frame and comprises a pressing plate piece and a first driving structure in transmission connection with the pressing plate piece, and the pressing plate piece is provided with a pressing surface opposite to the heat sealing surface; the conveying mechanism is arranged on the frame and is positioned above the heat sealing plate, and the conveying mechanism is suitable for conveying the packaging bag between the heat cover and the pressing surface; wherein the first driving structure is adapted to drive the pressing plate member to move toward the heat seal plate to heat-seal the packaging bag. The utility model adopts the structure, and can effectively improve the heat sealing efficiency of the packaging bag.

Description

Packaging bag heat sealing device

Technical Field

The utility model relates to the technical field of packaging bag heat sealing, in particular to a packaging bag heat sealing device.

Background

After the traditional Chinese medicine decoction pieces are produced, the traditional Chinese medicine decoction pieces are required to be packed into a packing bag, and then the packing bag is heat-sealed through a heat sealing device. The conventional heat sealing device comprises an upper heat sealing plate and a lower heat sealing plate which are oppositely arranged in the vertical direction, a heat sealing area is formed between the upper heat sealing plate and the lower heat sealing plate, the upper heat sealing plate is connected with a driving structure for driving the upper heat sealing plate to be close to or far away from the lower heat sealing plate, and a conveying mechanism conveys the packaging bag between the upper heat sealing plate and the lower heat sealing plate during heat sealing so as to conduct heat sealing operation. By adopting the structure, after the packaging bags are heat-sealed, the conveying mechanism also needs to separate the heat-sealed packaging bags from the heat-sealing area, so that when a plurality of packaging bags are continuously heat-sealed, the heat-sealing efficiency of the packaging bags is lower.

Accordingly, there is a need for an improvement over the prior art to overcome the deficiencies described in the prior art.

Disclosure of Invention

The utility model aims to provide a packaging bag heat sealing device which improves continuous heat sealing efficiency.

The utility model aims at realizing the following technical scheme: a packaging bag heat sealing apparatus comprising:

a frame;

the heat sealing plate is arranged on the rack and provided with a heat cover facing the horizontal direction;

the pressing plate mechanism is arranged on the frame and comprises a pressing plate piece and a first driving structure in transmission connection with the pressing plate piece, and the pressing plate piece is provided with a pressing surface opposite to the heat sealing surface; the method comprises the steps of,

the conveying mechanism is arranged on the frame and is positioned above the heat sealing plate, and the conveying mechanism is suitable for conveying the packaging bag between the heat cover and the pressing surface;

wherein the first driving structure is adapted to drive the pressing plate member to move toward the heat seal plate to heat-seal the packaging bag.

Further, the first driving structure is arranged on the frame, the pressing plate mechanism comprises a first mounting frame fixed on the frame, and the pressing plate piece is movably connected to the first mounting frame.

Further, the pressing plate member includes:

the pressing plate is provided with the pressing surface;

the number of the transmission plates is two, and the transmission plates are oppositely arranged at two sides of the pressing plate;

the first mounting frame is provided with guide parts for accommodating the transmission plates, and the transmission plates are suitable for moving along the guide parts so as to drive the pressing plates to be close to or far away from the hot cover.

Further, the drive plate is the arc, be equipped with guide pulley and lower guide pulley on the first mounting bracket, go up the guide pulley with lower guide pulley cooperation forms the guiding part, the first mounting bracket each side go up the guide pulley with lower guide pulley quantity is two at least, and follows the cambered surface interval setting of drive plate.

Further, the peripheries of the upper guide wheel and the lower guide wheel are provided with a circle of groove in an inward concave mode, the outer cambered surface of the transmission plate is embedded in the groove of the upper guide wheel, and the inner cambered surface of the transmission plate is embedded in the groove of the lower guide wheel.

Further, the pressing plate piece further comprises a connecting rod connected between the two transmission plates, and the first driving structure is in transmission connection with the connecting rod.

Further, the first driving structure includes:

the driving motor is hinged with the frame;

the screw rod is fixedly connected with the output end of the driving motor; the method comprises the steps of,

the screw rod nut is sleeved on the screw rod and fixedly connected with the connecting rod;

the connecting rod is rotationally connected with the transmission plate, and the hinge axis of the driving motor, the rotation axis of the connecting rod and the rotation axis of the transmission plate are the same in direction.

Further, the conveying mechanism includes:

the material placing roller is rotatably arranged on the rack and is used for accommodating coiled materials formed by coiling the packaging bags with multiple bags;

the driving roller is rotatably arranged on the frame; the method comprises the steps of,

the driven roller is rotatably arranged on the frame and is positioned below the driving roller;

wherein, the drive roll with the driven voller cooperation is formed with the accommodation the transportation clearance of wrapping bag.

Further, the packaging bag heat sealing device further comprises a material stirring mechanism arranged on the frame, wherein the material stirring mechanism is positioned below the heat sealing plate and is suitable for applying acting force away from the heat cover to the packaging bag.

Further, the stirring mechanism comprises:

the second mounting rack is fixed on the frame;

the second driving structure is hinged on the second mounting frame; the method comprises the steps of,

the material stirring piece is hinged to the second mounting frame and is in transmission connection with the second driving structure;

wherein the second driving structure is suitable for driving the material stirring piece to rotate towards the heat sealing surface or rotate away from the heat sealing surface.

Compared with the prior art, the utility model has the following beneficial effects: the heat sealing plate is arranged on the frame, the heat sealing surface faces to the horizontal direction, the pressing plate piece is provided with the pressing surface which is opposite to the heat sealing surface, and the conveying mechanism is arranged above the heat sealing plate, so that after the conveying mechanism conveys the packaging bag to the position between the heat sealing surface and the pressing surface for heat sealing, the packaging bag can directly leave the heat sealing area from the lower parts of the heat sealing surface and the pressing surface under the action of gravity, and no additional output operation is required by the conveying mechanism, so that the heat sealing efficiency of the packaging bag can be effectively improved when a plurality of packaging bags are continuously subjected to heat sealing.

Drawings

FIG. 1 is a schematic view showing the structure of a heat-sealing apparatus for a packaging bag according to the present utility model.

FIG. 2 is a schematic cross-sectional view of the heat-sealing apparatus for packaging bags of the present utility model.

Fig. 3 is a schematic structural view of the platen mechanism in the present utility model.

Fig. 4 is a schematic view showing a partial structure of the first mounting frame in the present utility model.

Fig. 5 is a schematic structural view of a kick-out mechanism in the present utility model.

Reference numerals illustrate:

100. a frame; 110. a hinge base; 200. a heat sealing plate; 210. a hot cover; 300. a platen mechanism; 310. a platen member; 311. a pressing plate; 3111. a pressing surface; 312. a drive plate; 313. a connecting rod; 320. a first driving structure; 321. a driving motor; 322. a screw rod; 323. a screw nut; 324. a bearing seat; 330. a first mounting frame; 331. a guide part; 332. an upper guide wheel; 3321. a groove; 333. a lower guide wheel; 400. a conveying mechanism; 410. a material placing roller; 420. a drive roll; 430. driven roller; 500. coiling materials; 510. packaging bags; 600. a stirring mechanism; 610. a second mounting frame; 620. a second driving structure; 630. and the material stirring piece.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 and 2, a packaging bag heat-sealing apparatus according to a preferred embodiment of the present utility model comprises: a frame 100; a heat sealing plate 200 provided on the frame 100 and having a heat sealing surface 210 facing in a horizontal direction; the pressing plate mechanism 300 is arranged on the frame 100 and comprises a pressing plate member 310 and a first driving structure 320 in transmission connection with the pressing plate member 310, wherein the pressing plate member 310 is provided with a pressing surface 3111 opposite to the heat sealing surface 210; a conveying mechanism 400 disposed on the frame 100 and above the heat sealing plate 200, the conveying mechanism 400 being adapted to convey the packaging bag 510 between the heat sealing surface 210 and the pressing surface 3111; wherein the first driving structure 320 is adapted to drive the platen member 310 toward the heat sealing plate 200 to heat-seal the packing bag 510.

In the present utility model, the heat sealing plate 200 is disposed on the frame 100, and the heat sealing surface 210 faces the horizontal direction, and the pressing member 310 has the pressing surface 3111 opposite to the heat sealing surface 210, and since the conveying mechanism 400 is disposed above the heat sealing plate 200, after the conveying mechanism 400 conveys the packaging bag 510 to the heat sealing position between the heat sealing surface 210 and the pressing surface 3111, the packaging bag can directly leave the heat sealing area from the lower part of the heat sealing surface 210 and the pressing surface 3111 under the action of gravity, without additional output operation of the conveying mechanism 400, and when the heat sealing is continuously performed on the plurality of packaging bags 510, the heat sealing efficiency of the packaging bag 510 can be effectively improved.

Further, referring to fig. 3 and 4, the platen mechanism 300 includes a first mounting frame 330 fixed to the frame 100, the platen member 310 is movably connected to the first mounting frame 330, the first driving structure 320 is disposed on the frame 100 and adapted to drive the platen member 310 to move to the first state or the second state, when the platen member 310 is in the first state, the packaging bag 510 can smoothly pass between the heat sealing plate 200 and the platen member 310, and when the platen member 310 is in the second state, the packaging bag 510 is limited between the heat sealing plate 200 and the platen member 310 for performing the heat sealing operation.

The pressing plate 310 comprises a pressing plate 311 and a transmission plate 312, the pressing plate 311 is provided with a pressing surface 3111, the number of the transmission plates 312 is two, the two transmission plates are oppositely arranged on two sides of the pressing plate 311, the two sides of the first mounting frame 330 corresponding to the transmission plate 312 are provided with guide portions 331, the guide portions 331 are used for accommodating and guiding the transmission plate 312, and the transmission plate 312 is suitable for moving along the guide portions 331 so as to drive the pressing plate 311 to be far away from the heat cover 210 and be in a first state, or drive the pressing plate 311 to be close to the heat seal surface 210 and be in a second state.

Since it is generally necessary to open the package 510 before heat-sealing to load the material into the package 510, it is preferable that, in order to facilitate assembly of a bag opening mechanism (not shown), in the present embodiment, the platen member 310 is moved in an arc direction, and the platen 311 is positioned below the heat sealing plate 200 when the platen member 310 is in the first state, so that the height of the platen 311 in the vertical direction can be effectively reduced to dispose the bag opening mechanism upstream of the heat-sealing device.

Specifically, the transmission plate 312 is an arc plate, the first mounting frame 330 is provided with an upper guide wheel 332 and a lower guide wheel 333 which are rotatable, the upper guide wheel 332 and the lower guide wheel 333 are matched to form a guide part 331, the outer arc surface of the transmission plate 312 contacts with the upper guide wheel 332, and the inner arc surface of the transmission plate 312 contacts with the lower guide wheel 333. The number of the upper guide wheels 332 and the lower guide wheels 333 on each side of the first mounting frame 330 is at least two, and the upper guide wheels and the lower guide wheels are arranged at intervals along the cambered surface of the transmission plate 312, so that the reliability of the movement of the transmission plate 312 is improved. By employing a guide wheel structure to guide the drive plate 312, movement of the drive plate 312 is smoother.

Preferably, the peripheries of the upper guide wheel 332 and the lower guide wheel 333 are both concavely provided with a circle of groove 3321, the outer arc surface of the transmission plate 312 is embedded in the groove 3321 of the upper guide wheel 332, and the inner arc surface of the transmission plate 312 is embedded in the groove 3321 of the lower guide wheel 333.

In addition, the pressing plate member 310 further includes a connecting rod 313 connected between the two driving plates 312, and the connecting rod 313 is preferably located at an end of the driving plate 312 away from the pressing plate 311, and the first driving structure 320 is in driving connection with the connecting rod 313.

In order to reliably drive the platen member 310 to move along an arc, in the present embodiment, the first driving structure 320 includes a driving motor 321, a screw 322, and a screw nut 323. The frame 100 is provided with a hinge seat 110, and the driving motor 321 is arranged on the hinge seat 110 to realize hinge fit with the frame 100. The lead screw 322 is fixedly connected with the output end of the driving motor 321, and the lead screw nut 323 is sleeved on the lead screw 322 and is fixedly connected with the connecting rod 313. The connecting rod 313 is rotatably connected with the drive plate 312, the middle part of the connecting rod 313 is provided with a mounting hole, and the screw nut 323 is fixedly arranged in the mounting hole in a penetrating way.

The hinge axis of the driving motor 321, the rotation axis of the connecting rod 313 and the rotation axis of the driving plate 312 are the same, when the driving motor 321 rotates, the screw rod 322 can be driven to rotate, and then the screw rod nut 323 is driven to move along the screw rod 322, and the pressing plate member 310 moves synchronously along with the screw rod nut 323 so as to switch between the first state and the second state.

Preferably, the driving motor 321 is fixed with a bearing seat 324, and the screw rod 322 is rotatably arranged in the bearing seat 324 in a penetrating manner, so that the rotation reliability of the screw rod 322 is improved.

Further, referring to fig. 1 and 2, the conveying mechanism 400 includes a material placing roller 410, a driving roller 420 and a driven roller 430, the material placing roller 410 is rotatably disposed on the frame 100 and is used for accommodating a roll 500 formed by winding a multi-pack packaging bag 510, the driving roller 420 is rotatably disposed on the frame 100 and is connected with the driving mechanism, the driven roller 430 is rotatably disposed on the frame 100 and is located below the driving roller 420, and the driving roller 420 and the driven roller 430 cooperate to form a conveying gap for accommodating the packaging bag 510. By rotating the driving roller 420, the coil stock 500 can be driven to move, and the coil stock 500 can move in the vertical direction under the action of gravity.

In addition, since the heat sealing surface 210 of the heat sealing plate 200 faces in the horizontal direction, when the pressing plate 311 presses the package bag 510 against the heat sealing plate 200, there is a case where the package bag 510 is stuck on the heat sealing surface 210, so that the package bag 510 cannot fall down normally, and in order to avoid the above, as shown with reference to fig. 2 and 5, in the present embodiment, the heat sealing apparatus further includes a kick-out mechanism 600 provided on the frame 100, the kick-out mechanism 600 being located under the heat sealing plate 200 and being used to apply a force to the package bag 510 away from the heat sealing surface 210.

Specifically, the material stirring mechanism 600 includes a second mounting frame 610, a second driving structure 620, and a material stirring member 630, where the second mounting frame 610 is fixed on the frame 100, the second driving structure 620 is hinged on the second mounting frame 610, and the material stirring member 630 is a plate-shaped structure, which is hinged on the second mounting frame 610 and is in transmission connection with the second driving structure 620. The hinge axis of the second driving structure 620 is consistent with the hinge axis of the material shifting member 630, and the structure of the second driving structure 620 is similar to that of the first driving structure 320, and the second driving structure can drive the material shifting member 630 to rotate towards the hot cover 210 or rotate away from the hot cover 210.

The working process of the utility model is as follows: initially, the platen 310 is in the first state, and the conveying mechanism 400 drives the package bag 510 to move, so that the package bag 510 is located between the heat sealing plate 200 and the platen 310; then, the first driving structure 320 drives the platen member 310 to turn toward the heat sealing plate 200, and the packaging bag 510 is attached to the heat sealing surface 210 of the heat sealing plate 200, the heat sealing plate 200 is electrically heated to heat-seal the packaging bag 510, and then the first driving structure 320 drives the platen member 310 to turn away from the heat sealing plate 200; the second driving structure 620 drives the material pulling member 630 to rotate towards the direction away from the heat sealing plate 200 so as to pull the packaging bag 510 away from the heat sealing surface 210, and then the conveying mechanism 400 can smoothly continue conveying the packaging bag 510; the above-described operations are repeated, whereby continuous heat sealing of the package bag 510 can be achieved.

The foregoing description is only of embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A packaging bag heat sealing apparatus comprising:

a frame (100);

a heat sealing plate (200) which is arranged on the frame (100) and is provided with a heat cover (210) facing the horizontal direction;

the pressing plate mechanism (300) is arranged on the frame (100) and comprises a pressing plate piece (310) and a first driving structure (320) in transmission connection with the pressing plate piece (310), and the pressing plate piece (310) is provided with a pressing surface (3111) opposite to the heat sealing surface (210); the method comprises the steps of,

a conveying mechanism (400) arranged on the frame (100) and positioned above the heat sealing plate (200), wherein the conveying mechanism (400) is suitable for conveying the packaging bag (510) between the heat sealing surface (210) and the pressing surface (3111);

wherein the first driving structure (320) is adapted to drive the pressing plate member (310) to move toward the heat sealing plate (200) to heat-seal the packaging bag (510).

2. The packaging bag heat-sealing device according to claim 1, wherein the first driving structure (320) is disposed on the frame (100), the pressing plate mechanism (300) comprises a first mounting frame (330) fixed on the frame (100), and the pressing plate member (310) is movably connected to the first mounting frame (330).

3. The packaging bag heat-sealing apparatus according to claim 2, wherein the platen member (310) comprises:

a pressing plate (311) having the pressing surface (3111);

the number of the transmission plates (312) is two, and the transmission plates are oppositely arranged at two sides of the pressing plate (311);

the first mounting frame (330) is provided with guide parts (331) corresponding to the transmission plates (312), the guide parts (331) are used for accommodating the transmission plates (312), and the transmission plates (312) are suitable for moving along the guide parts (331) so as to drive the pressing plates (311) to be close to or far away from the thermal covers (210).

4. A packaging bag heat sealing device according to claim 3, wherein the transmission plate (312) is an arc plate, an upper guide wheel (332) and a lower guide wheel (333) are arranged on the first mounting frame (330), the upper guide wheel (332) and the lower guide wheel (333) are matched to form the guide part (331), the number of the upper guide wheel (332) and the number of the lower guide wheel (333) on each side of the first mounting frame (330) are at least two, and the upper guide wheel and the lower guide wheel are arranged along the arc surface of the transmission plate (312) at intervals.

5. The heat sealing device for packaging bags according to claim 4, wherein a circle of grooves (3321) are concavely formed in the outer circumferences of the upper guide wheel (332) and the lower guide wheel (333), the outer arc surface of the transmission plate (312) is embedded in the grooves (3321) of the upper guide wheel (332), and the inner arc surface of the transmission plate (312) is embedded in the grooves (3321) of the lower guide wheel (333).

6. A packaging bag heat sealing apparatus as claimed in claim 3, wherein said pressure plate member (310) further comprises a connecting rod (313) connected between two of said transmission plates (312), said first driving structure (320) being in transmission connection with said connecting rod (313).

7. The packaging bag heat seal apparatus of claim 6 wherein said first drive structure (320) comprises:

a driving motor (321) hinged with the frame (100);

the screw rod (322) is fixedly connected with the output end of the driving motor (321); the method comprises the steps of,

the screw rod nut (323) is sleeved on the screw rod (322) and is fixedly connected with the connecting rod (313);

the connecting rod (313) is rotatably connected with the transmission plate (312), and the hinge axis of the driving motor (321), the rotation axis of the connecting rod (313) and the rotation axis of the transmission plate (312) are in the same direction.

8. The packaging bag heat-sealing apparatus according to claim 1, wherein the conveying mechanism (400) includes:

a material placing roller (410) rotatably arranged on the frame (100) and used for accommodating a coiled material (500) formed by coiling the packaging bag (510) with multiple bags;

a drive roller (420) rotatably disposed on the frame (100); the method comprises the steps of,

a driven roller (430) rotatably disposed on the frame (100) below the driving roller (420);

wherein, the driving roller (420) and the driven roller (430) are matched to form a conveying gap for accommodating the packaging bag (510).

9. The package heat sealing apparatus according to any one of claims 1 to 8 further comprising a kick-out mechanism (600) disposed on the frame (100), the kick-out mechanism (600) being located below the heat sealing plate (200) and adapted to apply a force to the package (510) away from the heat cover (210).

10. The packaging bag heat-sealing apparatus as claimed in claim 9, wherein the kick-out mechanism (600) includes:

a second mounting bracket (610) secured to the frame (100);

a second drive structure (620) hinged to the second mounting frame (610); the method comprises the steps of,

the material stirring piece (630) is hinged on the second mounting frame (610) and is in transmission connection with the second driving structure (620);

wherein the second driving structure (620) is adapted to drive the material shifting member (630) to rotate towards the heat sealing surface (210) or rotate away from the heat sealing surface (210).