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CN-224211381-U - Double-ring heat sealing device

CN224211381UCN 224211381 UCN224211381 UCN 224211381UCN-224211381-U

Abstract

The application belongs to the field of material heat sealing equipment, and provides a double-ring heat sealing device which comprises a frame, a heating assembly and a driving mechanism. The heating assembly is connected to the frame and is correspondingly provided with two groups of heat sealing rings, the heating assembly comprises an electric heating device used for generating heat and a heating body connected between the electric heating device and the heat sealing rings and used for conducting heat, the heat sealing rings in the two groups of heating assemblies are coaxially opposite at intervals, the driving mechanism is in transmission connection with the heat sealing rings and used for driving the two heat sealing rings to be close to or far away from each other, and the moving direction of the heat sealing rings is parallel to the axial direction of the heat sealing rings.

Inventors

  • DU LEI
  • LI WENZHEN
  • ZHANG DAIKUN

Assignees

  • 北京中泰邦医药科技有限公司

Dates

Publication Date
20260508
Application Date
20250615

Claims (8)

  1. 1. A double ring heat seal apparatus comprising: A frame (101); The heating assembly is connected to the frame (101) and is correspondingly provided with two groups, the heating assembly comprises a heat sealing ring (102) used for abutting against a target material, and further comprises an electric heating device (103) used for generating heat and a heating body (104) connected between the electric heating device (103) and the heat sealing ring (102) and used for conducting heat, and the heat sealing rings (102) in the two groups of heating assemblies are coaxially opposite at intervals; The driving mechanism is in transmission connection with the heat sealing rings (102) and is used for driving the two heat sealing rings (102) to be close to or far away from each other, and the moving direction of the heat sealing rings (102) is parallel to the axial direction of the heat sealing rings.
  2. 2. The dual ring heat seal apparatus of claim 1 wherein: At least one group of said heating assemblies further comprising a protective cover (105) capable of insulating heat; At least a part of the heating body (104) and the electric heating device (103) which are in the same group with the protective cover (105) are arranged inside the protective cover (105), and a groove (106) for the electric heating device (103) to be electrically connected with external power supply equipment is also formed in the protective cover (105).
  3. 3. The dual ring heat seal apparatus as set forth in claim 2 wherein: The heating bodies (104) of at least one group of the heating assemblies form a conical section (107) and are connected with the heat sealing ring (102) through the conical section (107).
  4. 4. The dual ring heat seal apparatus of claim 1 wherein: The double-ring heat sealing device also comprises side guide plates (108) connected to the frame (101) at intervals, wherein adjacent side guide plates (108) are matched to form intervals for the target material to pass through in a matching way, and the target material is guided between the adjacent heat sealing rings (102).
  5. 5. The dual ring heat seal apparatus of claim 4 wherein: the double-ring heat sealing device also comprises a material guide supporting plate (109); The material guiding support plate (109) is provided with a kidney-shaped hole (110) and is connected to the frame (101) through the kidney-shaped hole (110), the extending direction of the kidney-shaped hole (110) is parallel to the axial direction of the heat sealing ring (102), and the edge guide plate (108) is connected to the material guiding support plate (109).
  6. 6. The dual ring heat seal apparatus of any one of claims 1-5, wherein: The driving mechanism comprises a driving cylinder (111) and a guide pillar (112) which are respectively arranged on the frame (101), and also comprises a sliding plate (113) which is connected with the power end of the driving cylinder (111) and is in sliding connection with the guide pillar (112); The heating assembly is arranged on the sliding plate (113), and the output direction of the driving cylinder (111) and the axial direction of the guide post (112) are parallel to the moving direction of the heat sealing ring (102).
  7. 7. The dual ring heat seal apparatus as defined in claim 6 wherein: The heating assembly further comprises an insulating column (114) capable of insulating heat; The heat insulation column (114) is arranged between the sliding plate (113) and the heating body (104) in a cushioning mode and is used for supporting the heating body (104).
  8. 8. The dual ring heat seal apparatus as defined in claim 6 wherein: the sliding plate (113) is internally provided with a cooling channel (115) for introducing a cooling medium.

Description

Double-ring heat sealing device Technical Field The application belongs to the field of material heat sealing equipment, and particularly relates to a double-ring heat sealing device. Background In the application process, the conventional single-sided hot plate heat sealing device has significant drawbacks. Because only seal the compound membrane of applying ointment or plaster through single face heating method, heat conduction inefficiency leads to the heat-seal time to lengthen, and because of the unable synchronous multilayer material that pierces through of heat, the infirm that combines between the seal layer easily appears, seal line width inequality scheduling problem, the liquid medicine that causes inside bubble cotton to bear volatilizees slowly through the microgap during the storage, not only reduces the pharmacodynamic stability, more causes the risk of applying ointment or plaster and unsealing the back and remaining the liquid medicine pollution. Therefore, there is a need to solve the above-mentioned technical problems. Disclosure of utility model The embodiment of the application aims to provide a double-ring heat sealing device which is used for solving the technical problem that the heat sealing effect of the application is poor in the prior art. In order to achieve the above purpose, the application adopts the technical scheme that the double-ring heat sealing device comprises: a frame; The heating assembly is connected to the frame and is correspondingly provided with two groups of heat sealing rings used for being abutted against the target material, and the heating assembly further comprises an electric heating device used for generating heat and a heating body connected between the electric heating device and the heat sealing rings and used for conducting heat, wherein the heat sealing rings in the two groups of heating assemblies are coaxially opposite at intervals; The driving mechanism is in transmission connection with the heat sealing rings and is used for driving the two heat sealing rings to be close to or far away from each other, and the moving direction of the heat sealing rings is parallel to the axial direction of the heat sealing rings. Optionally, at least one group of the heating assemblies further comprises a protective cover capable of insulating heat; At least a part of the heating body and the electric heating device which are in the same group with the protective cover are arranged in the protective cover, and the protective cover is also provided with a groove for the electric heating device to be electrically connected with external power supply equipment. Optionally, the heating body in at least one group of the heating assemblies forms a conical section and is connected with the heat sealing ring through the conical section. Optionally, the double ring heat sealing device further comprises edge guide plates connected to the frame at intervals, wherein adjacent edge guide plates are matched to form intervals for the target material to pass through in a fit mode, and the target material is guided between the adjacent heat sealing rings. Optionally, the double-ring heat sealing device further comprises a material guiding supporting plate; The frame is characterized in that a waist-shaped hole is formed in the guide supporting plate and connected to the frame through the waist-shaped hole, the extending direction of the waist-shaped hole is parallel to the axial direction of the heat sealing ring, and the edge guide plate is connected to the guide supporting plate. Optionally, the driving mechanism comprises a driving cylinder and a guide post which are respectively arranged on the frame, and a sliding plate which is connected with the power end of the driving cylinder and is in sliding connection with the guide post; The heating component is arranged on the sliding plate, and the output direction of the driving cylinder and the axial direction of the guide post are parallel to the moving direction of the heat sealing ring. Optionally, the heating assembly further comprises an insulating column capable of insulating heat; The heat insulation column pad is arranged between the sliding plate and the heating body and used for supporting the heating body. Optionally, a cooling channel for introducing a cooling medium is formed inside the sliding plate. Compared with the prior art, the double-ring heat sealing device has the beneficial effects that the double-ring heat sealing device provided by the application has the advantages that through the two groups of coaxially opposite heat sealing rings synchronously pressing along the axial direction under the control of the driving mechanism, the double sides of the composite film can be applied to bear uniform thermal effect at the same time, and the full cross-linking and fusion of the material melting layer in the thickness direction are realized, so that the defects of unstable interlayer combination and uneven seali