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CN-224211324-U - Pneumatic lifting mechanism of vacuum packaging machine

CN224211324UCN 224211324 UCN224211324 UCN 224211324UCN-224211324-U

Abstract

The utility model discloses a pneumatic lifting mechanism of a vacuum packaging machine, which comprises a box body and a box cover hinged on the box body, wherein a working cavity is formed in the box body, a lifting device is arranged in the working cavity, a lower seal is arranged in the box body, an upper seal matched with the lower seal is arranged on the box cover, the lifting device comprises a support bracket and a plurality of first air cylinders, the first air cylinders are used for driving the support bracket to realize reciprocating movement in the up-down direction, guide rail assemblies extending in the width direction of the box body are arranged on the support bracket, and support plates are arranged on the guide rail assemblies.

Inventors

  • ZHANG LI
  • FAN YING

Assignees

  • 浙江高新镀业有限公司

Dates

Publication Date
20260508
Application Date
20250430

Claims (7)

  1. 1. The pneumatic lifting mechanism of the vacuum packaging machine comprises a box body (11) and a box cover (12) hinged to the box body (11), wherein a working cavity (10) is formed in the box body (11), a lifting device is arranged in the working cavity (10), a lower seal (13) is arranged in the box body (11), an upper seal (121) matched with the lower seal (13) is arranged on the box cover (12), and the pneumatic lifting mechanism is characterized in that the lifting device comprises a support bracket (21) and a plurality of first cylinders (22), the first cylinders (22) are used for driving the support bracket (21) to realize reciprocating movement in the up-down direction, guide rail assemblies extending in the width direction of the box body (11) are arranged on the support bracket (21), support plates (25) are arranged on the guide rail assemblies, and the support plates (25) realize reciprocating movement along the width direction of the box body (11) through the guide rail assemblies.
  2. 2. The pneumatic lifting mechanism of a vacuum packaging machine as set forth in claim 1, wherein the guide rail assembly comprises a fixed block (26) and a sliding rail (251), wherein a sliding groove (261) extending along the width direction of the box body (11) is arranged in the fixed block (26), the sliding rail (251) is in sliding fit with the sliding groove (261), and the sliding rail (251) is fixedly arranged at the lower end of the bearing plate (25).
  3. 3. A pneumatic lifting mechanism for a vacuum packaging machine according to claim 1, wherein the lifting device further comprises a plurality of telescopic assemblies (23), each telescopic assembly (23) comprises a sleeve (231) and a sliding rod (232), each sleeve (231) is fixedly matched with the support bracket (21), each sliding rod (232) is fixedly matched with the bottom of the working cavity (10), each sliding rod (232) is respectively and slidably matched with the corresponding sleeve (231), and a connecting plate (24) is arranged between each sleeve (231) and the output end of the first cylinder (22).
  4. 4. The pneumatic lifting mechanism of the vacuum packaging machine according to claim 1, wherein the two sides of the box body (11) are respectively provided with a second cylinder (31), the two ends of the box cover (12) are respectively provided with a connecting rod (122), the output end of the second cylinder (31) is provided with a connecting ring (32), and the connecting ring (32) is sleeved on the periphery of the connecting rod (122).
  5. 5. A pneumatic lifting mechanism of a vacuum packing machine as set forth in claim 4, wherein a start switch (4) is provided on the case (11), and the start switch (4) is electrically connected with the first cylinder (22) and the second cylinder (31).
  6. 6. A pneumatic lifting mechanism of a vacuum packaging machine as claimed in claim 1, wherein the box (11) is provided with a scram button (5).
  7. 7. A pneumatic lifting mechanism of a vacuum packing machine according to claim 1, wherein the box (11) is provided with a control panel (6).

Description

Pneumatic lifting mechanism of vacuum packaging machine Technical Field The utility model relates to the technical field of vacuum packaging machines, in particular to a pneumatic lifting mechanism of a vacuum packaging machine. Background The vacuum package is used as an important means for food preservation, and has the advantages of convenience, low price, good preservation effect and the like. Various vacuum packaging machines are commercially available, and there are various lifting devices for the vacuum packaging machines, and typically, the lifting device for the vacuum packaging machine is a cylinder lifting device, and there are other lifting devices. The vacuum packaging machine comprises a vacuum packaging cavity and a top cover matched with the vacuum packaging cavity, wherein a lifting device and an operating platform are arranged in the vacuum packaging cavity, the lower end of the lifting device is fixed at the bottom of the vacuum packaging cavity, the upper end of the lifting device is provided with the operating platform, the operating platform can move up and down through the lifting device, the upper end of the vacuum packaging cavity is provided with a heat sealing device, the heat sealing device comprises an upper seal and a lower seal which are correspondingly arranged, the upper seal is arranged on the top cover through an air cylinder, the lower seal is correspondingly arranged at the edge of the upper end of the vacuum packaging cavity, the upper surface of the lower seal is provided with a steel wire pressing strip, two ends of the steel wire pressing strip are fixedly connected with two ends of the lower seal, and a gap for a packaging bag to pass through is arranged between the middle part of the steel wire pressing strip and the lower seal. The vacuum packaging machine is convenient to operate, can carry out vacuum packaging on different packaging bags, and has wide application. The prior art has the defects that when the lifting device of the packaging machine is used for supporting the objects to be vacuum-packaged, the bags to be vacuumized need to be moved into the upper end face of the lifting device, but for some heavier objects, the objects need to be moved into the box because the outer part of the packaging machine is a box body, and the interference of the box body is more, so that a more convenient vacuum packaging machine is needed. Disclosure of utility model The utility model aims at solving the problems, and provides a pneumatic lifting mechanism of a vacuum packaging machine, which has the advantage of being convenient to carry into a working cavity. The pneumatic lifting mechanism of the vacuum packaging machine comprises a box body and a box cover hinged to the box body, wherein a working cavity is formed in the box body, a lifting device is arranged in the working cavity, a lower seal is arranged in the box body, an upper seal matched with the lower seal is arranged on the box cover, the lifting device comprises a support bracket and a plurality of first cylinders, the first cylinders are used for driving the support bracket to realize reciprocating movement in the up-down direction, a guide rail assembly extending along the width direction of the box body is arranged on the support bracket, a support plate is arranged on the guide rail assembly, and the support plate realizes reciprocating movement along the width direction of the box body through the guide rail assembly. Preferably, the guide rail assembly comprises a fixed block and a sliding rail, wherein a sliding groove extending along the width direction of the box body is arranged in the fixed block, the sliding rail is in sliding fit with the sliding groove, and the sliding rail is fixedly arranged at the lower end of the bearing plate. Preferably, the lifting device further comprises a plurality of telescopic components, each telescopic component comprises a sleeve and a sliding rod, each sleeve is fixedly matched with the corresponding support bracket, each sliding rod is fixedly matched with the bottom of the working cavity, each sliding rod is respectively and correspondingly matched with the corresponding sleeve in a sliding manner, and a connecting plate is arranged between each sleeve and the output end of the first cylinder. Preferably, the second air cylinders are respectively installed on two sides of the box body, connecting rods are respectively arranged at two ends of the box cover, connecting rings are arranged at the output ends of the second air cylinders, and the connecting rings are sleeved on the peripheries of the connecting rods. Preferably, a start switch is arranged on the box body, and the start switch is connected with the first cylinder and the second cylinder through electric signals. Preferably, the box body is provided with an emergency stop button. Preferably, a control panel is arranged on the box body. Compared with the prior art, the utility model has the following b