Pressing mechanism of edge sealing machine

Abstract

The utility model discloses an edge sealing machine press fit mechanism which comprises a rack, a first rotating shaft, a lower press fit assembly, an upper cutter assembly and a press fit transmission assembly, the lower press fit assembly is arranged on the rack, the longitudinal rear end of the lower press fit assembly is movably connected with the upper cutter assembly through the first rotating shaft, and the press fit transmission assembly comprises a crank connecting rod transmission unit and a driving unit. The crank connecting rod unit is arranged at the longitudinal front ends of the upper cutter assembly and the press-fit transmission assembly and is in transmission connection with the upper cutter assembly and the lower press-fit assembly, the driving unit is in transmission connection with the crank connecting rod transmission unit, and the driving unit is used for driving the upper cutter assembly to pivot, open and close relative to the lower press-fit assembly through the crank connecting rod transmission unit. Therefore, the upper cutter assembly is matched with the lower pressing assembly to conduct hot edge cutting and sealing. The device has the advantages of being convenient to assemble and disassemble, stable in operation, easy to adjust and maintain, capable of reducing cost and improving efficiency and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of edge sealing and pressing, in particular to a pressing mechanism of an edge sealing machine. Background Art

[0002] At present, edge sealing and pressing equipment is widely used in the field of edge sealing of bag-shaped products. In the existing technology, edge sealing and pressing equipment often adopts an upper hot pressing component and a lower pressing component to cooperate with each other to press and heat seal the corners of the bag. However, the edge sealing machine pressing mechanism of the existing edge sealing and pressing equipment often has the problems of complex structure, inconvenient installation and disassembly, difficult debugging and maintenance, unstable operation, and poor stability.

[0003] With respect to the problem in the prior art that the hot cutting component and the lower component of the pressing mechanism of the edge sealing machine are unstable when opening and closing, no effective solution has been proposed. Utility Model Content

[0004] In view of this, it is necessary to provide a side sealing machine pressing mechanism to at least solve the problems in the related art that the existing side sealing machine pressing mechanism has a complex structure, inconvenient installation and disassembly, difficult debugging and maintenance, unstable operation, and poor stability.

[0005] A technical solution adopted by the utility model is as follows: a pressing mechanism of an edge sealing machine, comprising a frame, a first rotating shaft, a lower pressing assembly, an upper cutter assembly and a pressing transmission assembly, the lower pressing assembly is arranged on the frame, the longitudinal rear end of the lower pressing assembly is movably connected to the upper cutter assembly through the first rotating shaft, the pressing transmission assembly comprises a crank-connecting rod transmission unit and a driving unit, the crank-connecting rod transmission unit is arranged on the longitudinal front end of the upper cutter assembly and the pressing transmission assembly, and is respectively connected to the upper cutter assembly and the lower pressing assembly, the driving unit is connected to the crank-connecting rod transmission unit, wherein the driving unit is used to drive the upper cutter assembly to pivot and open relative to the lower pressing assembly through the crank-connecting rod transmission unit, so that the upper cutter assembly cooperates with the lower pressing assembly to perform hot cutting edge sealing.

[0006] In some embodiments, the driving unit includes a driving fixed frame, a driving cylinder and a driving connecting rod, the driving fixed frame is fixed to an external device, the cylinder of the driving cylinder is fixed to the driving fixed frame, the driving connecting rod is installed on the air rod of the driving cylinder, and the driving cylinder is connected to the crank-connecting rod transmission unit through the driving connecting rod; wherein, the driving cylinder drives the crank-connecting rod transmission unit to move through the air rod and the driving connecting rod.

[0007] In some embodiments, the crank-connecting rod transmission unit includes a rotating shaft fixing seat, a second rotating shaft, a connecting bracket and a crank connecting rod, the rotating shaft fixing seat is fixed to the external device, the second rotating shaft is rotatably arranged on the rotating shaft fixing seat, the connecting bracket is sleeved on the second rotating shaft and is transmission-connected to the driving connecting rod, and the crank connecting rod is arranged at both ends of the second rotating shaft and rotates synchronously with the second rotating shaft.

[0008] In some embodiments, a third rotating shaft is provided at one end of the connecting bracket, and the connecting bracket is transmission-connected to the driving connecting rod through the third rotating shaft. A first rotating shaft sleeve is provided at the other end of the connecting bracket, and the connecting bracket is sleeved on the second rotating shaft through the first rotating shaft sleeve; wherein, the driving connecting rod drives the connecting bracket to swing through the third rotating shaft, thereby driving the second rotating shaft to rotate.

[0009] In some embodiments, the crank-connecting rod includes a crank, a first transmission connecting rod and a second transmission connecting rod, a second rotating shaft sleeve is provided in the middle of the crank, the crank is mounted on both ends of the second rotating shaft through the second rotating shaft sleeve and rotates synchronously with the second rotating shaft, a first bearing and a second bearing are provided at both ends of the crank, one end of the first transmission connecting rod is transmission-connected to the first bearing, the other end of the first transmission connecting rod is transmission-connected to the upper cutter assembly, one end of the second transmission connecting rod is transmission-connected to the second bearing, and the other end of the second transmission connecting rod is transmission-connected to the lower pressing assembly; wherein, the second rotating shaft drives the crank to swing through the second rotating shaft sleeve, thereby driving the first transmission connecting rod and the second transmission connecting rod to swing, thereby controlling the opening or closing of the upper cutter assembly and the lower pressing assembly.

[0010] In some embodiments, the length of the first transmission link is longer than the length of the second transmission link.

[0011] In some embodiments, the upper cutter assembly includes an upper pressing plate, an upper cutter, an upper buffer device and a heating device, one end of the upper pressing plate is rotatably connected to the lower pressing assembly through the first rotating shaft, and the other end of the upper pressing plate is transmission-connected to the first transmission connecting rod, the upper cutter is arranged at the lower end of the upper pressing plate, the upper buffer device is arranged between the upper pressing plate and the upper cutter, and the heating device is used in conjunction with the upper cutter; wherein, the upper pressing plate is used to drive the upper cutter to approach or move away from the lower pressing assembly, the upper cutter is used to cooperate with the lower pressing assembly to perform edge sealing and pressing of the product, the upper buffer device is used to prevent the upper cutter from hard contact with the lower pressing assembly during edge sealing and pressing, and the heating device is used to heat the upper cutter.

[0012] In some embodiments, a third bearing is provided at the other end of the upper pressing plate, and the first transmission connecting rod drives the upper pressing plate to move through the third bearing.

[0013] In some embodiments, the lower pressing assembly includes a lower pressing plate, a lower cutter and a lower buffer device. The lower pressing plate is installed on the frame and is rotatably connected to the upper pressing plate through the first rotating shaft. The lower cutter is arranged at the upper end of the lower pressing plate and is used in conjunction with the upper cutter. The lower buffer device is arranged between the lower pressing plate and the lower cutter.

[0014] In some embodiments, a fourth bearing is provided at the other end of the lower pressing plate, and the second transmission connecting rod drives the lower pressing plate to move through the fourth bearing.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the embodiment of the present application provides a pressing mechanism of an edge sealing machine, which realizes the edge sealing pressing function of the product by adjusting the relative position between the upper cutter assembly and the lower pressing assembly through a pressing transmission assembly, and the pressing transmission assembly adopts a structural design of a driving device and a transmission device. Specifically, the crank and the connecting rod are driven to swing by the driving cylinder, thereby controlling the opening or closing of the upper cutter assembly and the lower pressing assembly. The structure is simple, the manufacturing cost is low, it is easy to debug and maintain, the operation is stable, and it is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of an embodiment of the present application;

[0017] Figure 2 is a side view of an embodiment of the present application;

[0018] Figure 3 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0019] Reference numerals:

[0020] 100, rack;

[0021] 200, first rotating shaft;

[0022] 300, lower pressing assembly; 31, lower pressing plate; 311, fourth bearing; 32, lower cutter; 33, lower buffer device;

[0023] 400, upper cutter assembly; 41, upper pressing plate; 411, third bearing; 42, upper cutter; 43, upper buffer device; 44, heating device;

[0024] 500, press-fit transmission assembly; 51, crank-connecting rod transmission unit; 511, rotating shaft fixing seat; 512, second rotating shaft; 513, connecting bracket; 514, crank-connecting rod; 515, third rotating shaft; 516, crank; 517, first transmission connecting rod; 518, second transmission connecting rod; 51, driving unit; 511, driving fixing bracket; 512, driving cylinder; 513, driving connecting rod. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] It should be noted that when a component is referred to as being "mounted on" another component, it may be mounted directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component. When a component is considered to be "fixed to" another component, it may be directly fixed to the other component or there may be a central component.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

[0028] See Figure 1-3 The embodiment of the present application provides a side sealing machine pressing mechanism, including a frame 100, a first rotating shaft 200, a lower pressing assembly 300, an upper cutter assembly 400 and a pressing transmission assembly 500. The lower pressing assembly 300 is arranged on the frame 100, and the longitudinal rear end of the lower pressing assembly 300 is movably connected to the upper cutter assembly 400 through the first rotating shaft 200. The pressing transmission assembly 500 includes a crank connecting rod transmission unit 51 and a driving unit 52. The crank connecting rod 514 unit is arranged at the longitudinal front end of the upper cutter assembly 400 and the pressing transmission assembly 500, and is respectively connected to the upper cutter assembly 400 and the lower pressing assembly 300 for transmission. The driving unit 52 is connected to the crank connecting rod transmission unit 51 for transmission. The driving unit 52 is used to drive the upper cutter assembly 400 to pivot and open and close relative to the lower pressing assembly 300 through the crank connecting rod transmission unit 51, so that the upper cutter assembly 400 cooperates with the lower pressing assembly 300 to perform hot cutting and side sealing.

[0029] It should be noted that, in such a configuration, the first rotating shaft 200 is used to connect the upper cutter assembly 400 and the lower pressing assembly 300 in unilateral rotation, and the relative position of the other side between the upper pressing assembly 400 and the lower pressing assembly 300 is adjusted by using the pressing transmission assembly 500, thereby realizing the edge sealing pressing function of the bagged product, and the pressing transmission assembly 500 adopts the structural design of the driving unit 52 and the crank-connecting rod transmission unit 51. Specifically, the crank 516, the first transmission connecting rod 517 and the second transmission connecting rod 518 are driven by the driving cylinder 522 to swing, thereby controlling the upper cutter assembly 400 and the lower pressing assembly 300 to open or close. This structure is simple and has low manufacturing cost. Each component is an independent marked part and is easy to install and disassemble, thereby easy to debug and maintain. In addition, the control transmission end (crank-connecting rod transmission unit 51 and drive unit 52) ​​has a simple structure without too many components cooperating with each other, thereby improving operational stability.

[0030] In order to achieve the precise driving function of the present application, in some optional embodiments, the driving unit 52 includes a driving fixed frame 521, a driving cylinder 522 and a driving connecting rod 523. The driving fixed frame 521 is fixed to an external device, the cylinder of the driving cylinder 522 is fixed on the driving fixed frame 521, and the driving connecting rod 523 is installed on the gas rod of the driving cylinder 522. The driving cylinder 522 is connected to the crank-connecting rod transmission unit 51 through the driving connecting rod 523; wherein, the driving cylinder 522 drives the crank-connecting rod transmission unit 51 to move through the gas rod and the driving connecting rod 523.

[0031] It should be noted that the driving bracket 521 can be well fixed on the external equipment, the driving cylinder 522 has high precision, and the driving connecting rod 523 adopts a fisheye joint to be connected to the crank connecting rod transmission unit 51 with high precision.

[0032] In order to achieve the precise transmission function of the present application, in some optional embodiments, the crank-connecting rod transmission unit 51 includes a rotating shaft fixing seat 511, a second rotating shaft 512, a connecting bracket 513 and a crank-connecting rod 514. The rotating shaft fixing seat 511 is fixed on an external device, the second rotating shaft 512 is rotatably arranged on the rotating shaft fixing seat 511, the connecting bracket 513 is sleeved on the second rotating shaft 512 and is connected to the driving connecting rod 523 for transmission, and the crank-connecting rod 514 is arranged at both ends of the second rotating shaft 512 and rotates synchronously with the second rotating shaft 512.

[0033] It should be noted that the shaft fixing seat 511 is also fastened to the external device, and is connected to the driving connecting rod 523 through the connecting bracket 513, with a tight fit, and at the same time transmits kinetic energy to the second shaft 512 to drive the crank connecting rod 324 to work.

[0034] In order to achieve the function of precise transmission between the second rotating shaft 512 and the driving connecting rod 523, in some optional embodiments, a third rotating shaft 515 is provided at one end of the connecting bracket 513, and the connecting bracket 513 is connected to the driving connecting rod 523 through the third rotating shaft 515. A first rotating shaft sleeve is provided at the other end of the connecting bracket 513, and the connecting bracket 513 is sleeved on the second rotating shaft 512 through the first rotating shaft sleeve; wherein, the driving connecting rod 523 drives the connecting bracket 513 to swing through the third rotating shaft 515, thereby driving the second rotating shaft 512 to rotate.

[0035] In order to realize the function of precise transmission between the second rotating shaft 512, the upper cutter assembly 400 and the lower pressing assembly 300, in some optional embodiments, the crank connecting rod 514 includes a crank 516, a first transmission connecting rod 517 and a second transmission connecting rod 518, the middle part of the crank 516 is provided with a second rotating shaft sleeve, the crank 516 is installed at both ends of the second rotating shaft 512 through the second rotating shaft sleeve and rotates synchronously with the second rotating shaft 512, the two ends of the crank 516 are respectively provided with a first bearing and a second bearing, the first transmission connecting rod 518 is provided with a first bearing and a second bearing, and the first transmission connecting rod 518 is provided with a first bearing. One end of 17 is transmission connected to the first bearing, the other end of the first transmission link 517 is transmission connected to the upper cutter assembly 400, one end of the second transmission link 518 is transmission connected to the second bearing, and the other end of the second transmission link 518 is transmission connected to the lower pressing assembly 300; wherein, the second rotating shaft 512 drives the crank 516 to swing through the second rotating shaft sleeve, thereby driving the first transmission link 517 and the second transmission link 518 to swing, and then controlling the upper cutter assembly 400 and the lower pressing assembly 300 to open or close.

[0036] It should be noted that the crank 516 , the first transmission connecting rod 517 and the second transmission connecting rod 518 form a crank connecting rod 514 . The crank connecting rod 514 has high transmission accuracy and can accurately drive the upper cutter assembly 400 and the lower pressing assembly 300 .

[0037] In some optional embodiments, the length of the first transmission link 517 is longer than the length of the second transmission link 518 .

[0038] In order to achieve the edge sealing and pressing function, in some optional embodiments, the upper cutter assembly 400 includes an upper pressing plate 41, an upper cutter 42, an upper buffer device 43 and a heating device 44. One end of the upper pressing plate 41 is rotatably connected to the lower pressing assembly 300 through the first rotating shaft 200, and the other end of the upper pressing plate 41 is transmission-connected to the first transmission link 517. The upper cutter 42 is arranged at the lower end of the upper pressing plate 41, the upper buffer device 43 is arranged between the upper pressing plate 41 and the upper cutter 42, and the heating device 44 is used in conjunction with the upper cutter 42; wherein, the upper pressing plate 41 is used to drive the upper cutter 42 to approach or move away from the lower pressing assembly 300, the upper cutter 42 is used to cooperate with the lower pressing assembly 300 to perform edge sealing and pressing of the product, the upper buffer device 43 is used to prevent the upper cutter 42 from hard contact with the lower pressing assembly 300 during edge sealing and pressing, and the heating device 44 is used to heat the upper cutter 42.

[0039] It should be noted that the heating device 44 provides heat energy for the upper cutter 42, so that the upper cutter 42 has a heat sealing function. By adopting the structural design of the upper buffer device 43, the upper cutter 42 and the lower cutter 43 are buffered when the edge sealing is pressed together, preventing the upper cutter 42 and the lower cutter 43 from hard contact, thereby improving the service life of the upper cutter 42 and the lower cutter 43.

[0040] In some optional embodiments, a third bearing 411 is provided at the other end of the upper pressing plate 41. The first transmission link 517 drives the upper pressing plate 41 to move through the third bearing 411. The third bearing 411 is used to transmit kinetic energy, thereby improving accuracy.

[0041] In some optional embodiments, the lower pressing assembly 300 includes a lower pressing plate 31, a lower cutter 32 and a lower buffer device 33. The lower pressing plate 31 is installed on the frame 100 and is rotatably connected to the upper pressing plate 41 through the first rotating shaft 200. The lower cutter 32 is arranged at the upper end of the lower pressing plate 31 and is used in conjunction with the upper cutter 42. The lower buffer device 33 is arranged between the lower pressing plate 31 and the lower cutter 32.

[0042] In some optional embodiments, a fourth bearing 311 is provided at the other end of the lower pressing plate 31. The second transmission link 518 drives the lower pressing plate 31 to move through the fourth bearing 311. The fourth bearing 311 is used to transmit kinetic energy, thereby improving accuracy.

[0043] Those skilled in the art should recognize that the above embodiments are merely intended to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, appropriate changes and modifications to the above embodiments fall within the scope of protection claimed by the present invention.

Claims

1. A side sealing machine pressing mechanism, characterized in that: The invention comprises a frame (100), a first rotating shaft (200), a lower pressing assembly (300), an upper cutter assembly (400) and a pressing transmission assembly (500), wherein the lower pressing assembly (300) is arranged on the frame (100), and the longitudinal rear end of the lower pressing assembly (300) is movably connected to the upper cutter assembly (400) through the first rotating shaft (200), and the pressing transmission assembly (500) comprises a crank connecting rod transmission unit (51) and a driving unit (52), wherein the crank connecting rod transmission unit (51) is arranged on the upper cutter assembly ( The upper cutter assembly (400) and the longitudinal front end of the pressing transmission assembly (500) are respectively connected to the upper cutter assembly (400) and the lower pressing assembly (300), and the driving unit (52) is connected to the crank-connecting rod driving unit (51), wherein the driving unit (52) is used to drive the upper cutter assembly (400) to pivotally open and close relative to the lower pressing assembly (300) through the crank-connecting rod driving unit (51), so that the upper cutter assembly (400) cooperates with the lower pressing assembly (300) to perform hot cutting and edge sealing.

2. The edge sealing machine pressing mechanism according to claim 1, characterized in that: The driving unit (52) includes a driving fixed frame (521), a driving cylinder (522) and a driving connecting rod (523), wherein the driving fixed frame (521) is fixed to an external device, the cylinder of the driving cylinder (522) is fixed to the driving fixed frame (521), and the driving connecting rod (523) is installed on the gas rod of the driving cylinder (522), and the driving cylinder (522) is connected to the crank-connecting rod transmission unit (51) through the driving connecting rod (523); wherein the driving cylinder (522) drives the crank-connecting rod transmission unit (51) to move through the gas rod and the driving connecting rod (523).

3. The edge sealing machine pressing mechanism according to claim 2, characterized in that: The crank-connecting rod transmission unit (51) comprises a rotating shaft fixing seat (511), a second rotating shaft (512), a connecting bracket (513) and a crank-connecting rod (514), wherein the rotating shaft fixing seat (511) is fixed to the external device, the second rotating shaft (512) is rotatably arranged on the rotating shaft fixing seat (511), the connecting bracket (513) is sleeved on the second rotating shaft (512) and is transmission-connected to the driving connecting rod (523), and the crank-connecting rod (514) is arranged at both ends of the second rotating shaft (512) and rotates synchronously with the second rotating shaft (512).

4. The edge sealing machine pressing mechanism according to claim 3, characterized in that: A third rotating shaft (515) is provided at one end of the connecting bracket (513), and the connecting bracket (513) is transmission-connected to the driving connecting rod (523) via the third rotating shaft (515). A first rotating shaft sleeve is provided at the other end of the connecting bracket (513), and the connecting bracket (513) is sleeved on the second rotating shaft (512) via the first rotating shaft sleeve; wherein the driving connecting rod (523) drives the connecting bracket (513) to swing via the third rotating shaft (515), thereby driving the second rotating shaft (512) to rotate.

5. The edge sealing machine pressing mechanism according to claim 4, characterized in that: The crank connecting rod (514) includes a crank (516), a first transmission connecting rod (517) and a second transmission connecting rod (518). A second rotating shaft sleeve is provided in the middle of the crank (516). The crank (516) is installed at both ends of the second rotating shaft (512) through the second rotating shaft sleeve and rotates synchronously with the second rotating shaft (512). A first bearing and a second bearing are provided at both ends of the crank (516). One end of the first transmission connecting rod (517) is transmission-connected to the first bearing, and the other end of the first transmission connecting rod (517) is transmission-connected to the first bearing. One end of the second transmission connecting rod (518) is transmission-connected to the upper cutter assembly (400), one end of the second transmission connecting rod (518) is transmission-connected to the second bearing, and the other end of the second transmission connecting rod (518) is transmission-connected to the lower pressing assembly (300); wherein the second rotating shaft (512) drives the crank (516) to swing through the second rotating shaft sleeve, thereby driving the first transmission connecting rod (517) and the second transmission connecting rod (518) to swing, thereby controlling the upper cutter assembly (400) and the lower pressing assembly (300) to open or close.

6. The edge sealing machine pressing mechanism according to claim 5, characterized in that: The length of the first transmission connecting rod (517) is longer than the length of the second transmission connecting rod (518).

7. The edge sealing machine pressing mechanism according to claim 6, characterized in that: The upper cutter assembly (400) comprises an upper pressing plate (41), an upper cutter (42), an upper buffer device (43) and a heating device (44); one end of the upper pressing plate (41) is rotatably connected to the lower pressing assembly (300) via the first rotating shaft (200); the other end of the upper pressing plate (41) is transmission-connected to the first transmission connecting rod (517); the upper cutter (42) is provided at the lower end of the upper pressing plate (41); the upper buffer device (43) is provided between the upper pressing plate (41) and the upper cutter. (42), the heating device (44) is used in conjunction with the upper cutter (42); wherein the upper pressing plate (41) is used to drive the upper cutter (42) to approach or move away from the lower pressing assembly (300), the upper cutter (42) is used to cooperate with the lower pressing assembly (300) to perform edge sealing and pressing on the product, the upper buffer device (43) is used to prevent the upper cutter (42) from hard contact with the lower pressing assembly (300) during edge sealing and pressing, and the heating device (44) is used to heat the upper cutter (42).

8. The edge sealing machine pressing mechanism according to claim 7, characterized in that: A third bearing (411) is provided at the other end of the upper pressing plate (41), and the first transmission connecting rod (517) drives the upper pressing plate (41) to move via the third bearing (411).

9. The edge sealing machine pressing mechanism according to claim 8, characterized in that: The lower pressing assembly (300) comprises a lower pressing plate (31), a lower cutter (32) and a lower buffer device (33); the lower pressing plate (31) is mounted on one side of the frame (100) and is rotatably connected to the upper pressing plate (41) via the first rotating shaft (200); the lower cutter (32) is disposed at the upper end of the lower pressing plate (31) and is used in conjunction with the upper cutter (42); and the lower buffer device (33) is disposed between the lower pressing plate (31) and the lower cutter (32).

10. The edge sealing machine pressing mechanism according to claim 9, characterized in that: A fourth bearing (311) is provided at the other end of the lower pressing plate (31), and the second transmission connecting rod (518) drives the lower pressing plate (31) to move via the fourth bearing (311).

Images