Film laminating machine for thermal forming film

By using a mixing and shearing mechanism consisting of a rotating shaft, motor, paddles, and screw, combined with a temperature monitoring and alarm system, the problems of localized overheating and uneven heating during the thermoforming film heating and plasticizing process are solved, ensuring the quality and production stability of the formed film.

CN224044237UActive Publication Date: 2026-03-27HANGZHOU ZHONGSU PACKAGING MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Thermoformed films are prone to localized overheating or uneven plasticization during the heating and plasticizing process, which affects production quality.

Method used

The material is stirred and sheared using a shaft, motor, paddle, and screw structure. Combined with a programmable logic controller, thermocouple module, and buzzer, temperature monitoring and abnormal alarms are implemented to ensure uniform heating of the material.

Benefits of technology

It achieves uniformity in material temperature and composition, avoids local overheating or uneven plasticization, ensures stable quality of the molded film, and provides timely warnings to reduce economic losses.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224044237U_ABST
    Figure CN224044237U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of thermal forming film production equipment, in particular to a film laminating machine for a thermal forming film. According to the technical scheme, the device comprises a workbench, a lower mold and an upper mold which are used for shaping are arranged above the workbench, a heating box used for plasticizing is fixedly arranged at the top of the workbench, a homogenizing structure is arranged in the heating box, and a heating plate is fixedly arranged on the inner wall of the bottom of the heating box. The motor operates to drive the screw rod and the plurality of paddles, and the paddles and the screw rod can stir and shear materials, so that homogenization is further realized, the temperature and composition of the materials are more uniform, the condition of local overheating or non-uniform plasticizing is avoided, the quality of the materials entering a forming mold is stable, and the production efficiency is improved. And through the arrangement of a programmable logic controller, a thermocouple module, a buzzer and a temperature transmitter, when the heating of the equipment is abnormal, the buzzer can give an alarm to remind related personnel in time, so that the economic loss is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to thermoforming film production equipment technical field especially relates to a kind of thermoforming film laminating machine. BACKGROUND

[0002] Thermoforming film is a kind of film material made of thermoplastic polymer, usually made of polyethylene, polypropylene, polyamide, polyester and other materials, can be used to make plastic bag, plastic film bag, sealing bag etc., packaging food, medicine, cosmetics, daily necessities, electronic products and other various commodities, play the role of protection, moisture-proof, dust-proof, anti-oxidation etc., while improving the commodity's aesthetic degree and added value, thermoforming film needs to experience the process of heating plasticization when processing.

[0003] The heating plasticization link is only through heating plate to heat material, make hot material gradually change from solid state to viscous flow state with good fluidity, since the material after plasticization is prone to local overheating or uneven plasticization, thus the production quality of thermoforming film will be affected, in view of the above reasons, the present application proposes a kind of thermoforming film laminating machine. UTILITY MODEL CONTENT

[0004] The utility model aims at the problems in the background art, and proposes a kind of thermoforming film laminating machine.

[0005] The utility model discloses a kind of thermoforming film laminating machines, including workbench, the lower die and upper die for shaping are equipped with in the top of workbench, the heating box for plasticization is fixedly arranged on the top of workbench, the homogenization structure is equipped in the heating box, heating plate is fixedly arranged on the bottom inner wall of heating box, installation cavity is equipped in the heating plate, heating wire and thermocouple module are equipped in the installation cavity;

[0006] The homogenization structure includes motor for driving and two rotating shafts for stirring, a plurality of paddles are fixedly arranged on the outer wall of two rotating shafts, screw rod for conveying and stirring material is mounted on the output end of motor by connecting shaft;

[0007] Optionally, temperature transmitter, programmable logic controller and buzzer are fixedly arranged on the front of heating box, the lower die is fixedly connected with workbench, mounting bracket is fixedly arranged on the top of workbench, hydraulic cylinder is fixedly arranged on the top of mounting bracket, the output end of hydraulic cylinder is fixedly connected with the upper die.

[0008] Optionally, discharge port is arranged on the inner wall of one side of heating box, discharge pipe is fixedly arranged on one side of heating box, sealing cover plate is arranged on one end of discharge pipe, four support legs are fixedly arranged on the bottom of workbench.

[0009] Optionally, both of the rotating shafts are movably connected with the inner wall of the heating box, one end of each of the two rotating shafts penetrates through one side of the inner wall of the heating box and is fixedly provided with a driven gear one and a driven gear two respectively, one end of the screw rod penetrates through one side of the inner wall of the heating box and is fixedly provided with a driving gear, the driven gear one and the driven gear two are in meshing transmission with the driving gear, and the surface of the screw rod is fixedly provided with an auxiliary cleaning structure.

[0010] Optionally, two round holes are arranged on the inner wall of each of the two sides of the heating box, two groups of bearings are fixedly arranged in the two groups of round holes, and the inner rings of the two groups of bearings are fixedly sleeved on the two rotating shafts respectively.

[0011] Optionally, the auxiliary cleaning structure comprises a sleeve pipe for mounting, the surface of the sleeve pipe is movably provided with two positioning bolts, the sleeve pipe is movably provided with an extension rod, the top of the extension rod is fixedly provided with a connecting plate, and the top of the connecting plate is fixedly provided with a scraper.

[0012] Optionally, the inner wall of the sleeve pipe is provided with two sliding grooves, the outer portion of the extension rod is fixedly provided with two sliding blocks, the sliding blocks and the sliding grooves are movably connected, the bottom of the extension rod is fixedly provided with a spring, the bottom of the spring is fixedly connected with the sleeve pipe, the surface of the extension rod is provided with a positioning hole, and the positioning hole is matched with the positioning bolt.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0014] 1、The utility model discloses a rotating shaft, motor, paddle and screw rod are set up, and the motor operation can drive screw rod and a plurality of paddles, and the paddle and screw rod can realize the stirring and shearing of material, further realize homogenization, make the temperature, the composition of material more uniform, avoid the situation that partial overheating or plasticization is uneven, ensure that the material quality of entering the forming mould is stable, still through the setting of programmable logic controller, thermocouple module, buzzer and temperature transmitter, when the equipment heating is abnormal, the buzzer will issue the alarm, and the relevant personnel are reminded in time, and the economic loss is reduced.

[0015] 2、The utility model discloses a telescopic rod, spring, scraper and positioning bolt, make the one end of positioning bolt separate from the positioning hole, and the telescopic rod drives scraper to go up under the elastic force of spring, and the scraper can realize the auxiliary cleaning function after being attached with the inner wall of discharge port, can reduce the subsequent cleaning difficulty. ACCURACY OF DRAWINGS

[0016] Figure 1 Give the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 Give the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 3A vertical section structure schematic view of the present utility model is given.

[0019] Figure 4 A horizontal section structure schematic view of the heating plate in the present utility model is given.

[0020] Figure 5 A three-dimensional schematic view of the homogenizing structure in the present utility model is given.

[0021] Figure 6 An exploded schematic view of the auxiliary cleaning structure in the present utility model is given.

[0022] Reference signs:

[0023] 1, workbench;

[0024] 2, lower mold;

[0025] 3, upper mold;

[0026] 4, mounting frame;

[0027] 5, hydraulic cylinder;

[0028] 6, heating box;

[0029] 7, homogenizing structure; 701, motor; 702, rotating shaft; 703, screw; 704, paddle; 705, driving gear; 706, driven gear one; 707, driven gear two;

[0030] 8, discharge pipe;

[0031] 9, programmable logic controller;

[0032] 10, buzzer;

[0033] 11, temperature transmitter;

[0034] 12, auxiliary cleaning structure; 121, outer sleeve; 122, positioning bolt; 123, spring; 124, telescopic rod; 125, positioning hole; 126, connecting plate; 127, scraper;

[0035] 13, heating plate;

[0036] 14, heating wire;

[0037] 15, thermocouple module. DETAILED DESCRIPTION

[0038] The technical solutions of the present disclosure will be described clearly and completely below in combination with the drawings, obviously, the described embodiments are part of the embodiments of the present disclosure, not all the embodiments.

[0039] The components of the embodiments of the present disclosure generally described and shown in the drawings herein can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present disclosure provided in the drawings is not intended to limit the scope of the claimed present disclosure, but merely represent selected embodiments of the present disclosure.

[0040] All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present disclosure without creative labor fall within the scope of protection of the present disclosure.

[0041] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present disclosure.

[0042] In the description of the present disclosure, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0043] Embodiment 1

[0044] As Figures 1-5 shown, the utility model provides a kind of film laminating machine of thermoforming film, including workbench 1, the bottom of workbench 1 is fixed with four rectangularly arranged support legs, the top of workbench 1 is equipped with the lower die 2 and upper die 3 for shaping, lower die 2 and workbench 1 are fixedly connected, the top of workbench 1 is fixedly equipped with mounting bracket 4, the top of mounting bracket 4 is fixedly equipped with hydraulic cylinder 5, the output end of hydraulic cylinder 5 and upper die 3 are fixedly connected, the top of workbench 1 is fixedly equipped with heating box 6 for plasticizing, one side inner wall of heating box 6 is equipped with discharge port, one side of heating box 6 is fixedly equipped with discharge pipe 8, one end of discharge pipe 8 is equipped with sealing cover plate, the front of heating box 6 is fixedly equipped with temperature transmitter 11, programmable logic controller 9 and buzzer 10, heating box 6 is equipped with homogenization structure 7, the bottom inner wall of heating box 6 is fixedly equipped with heating plate 13, heating plate 13 is equipped with mounting cavity, heating wire 14 and thermocouple module 15 are equipped in mounting cavity;

[0045] The homogenizing structure 7 comprises a motor 701 for driving and two rotating shafts 702 for stirring, both of which are movably connected with the inner wall of the heating box 6, both sides of the inner wall of the heating box 6 are provided with two round holes, two sets of bearings are fixedly arranged in the two sets of round holes, the inner rings of the two sets of bearings are fixedly sleeved on the two rotating shafts 702 respectively, the outer wall of each of the two rotating shafts 702 is fixedly provided with a plurality of paddles 704, the output end of the motor 701 is provided with a screw rod 703 for conveying and stirring materials through a connecting shaft, one end of each of the two rotating shafts 702 penetrates through one side of the inner wall of the heating box 6 and is fixedly provided with a driven gear one 706 and a driven gear two 707 respectively, one end of the screw rod 703 penetrates through one side of the inner wall of the heating box 6 and is fixedly provided with a driving gear 705, the driven gear one 706 and the driven gear two 707 are in meshing transmission with the driving gear 705.

[0046] In the embodiment, when processing, the material is first introduced into the heating box 6, and a predetermined temperature is input through the programmable logic controller 9, then the heating wire 14 is started to heat and plasticize the material, after the material is plasticized, the motor 701 is started, the motor 701 drives the driving gear 705, the driving gear 705 drives the screw rod 703, the driven gear one 706 and the driven gear two 707, the driven gear one 706 and the driven gear two 707 drive the two rotating shafts 702 respectively, the rotating shafts 702 drive the paddles 704, the paddles 704 and the screw rod 703 can realize stirring and shearing of the material, further realize homogenization, make the temperature and composition of the material more uniform, avoid local overheating or uneven plasticization, ensure the quality of the material entering the forming mold, and remove the sealing cover plate at one end of the discharge pipe 8 during homogenization, the rotation of the screw rod 703 in the heating box 6 can push the plasticized material forward in the screw groove, and finally introduced into the lower mold 2 through the discharge pipe 8 for next processing, if the heating wire 14 fails, the thermocouple module 15 will monitor the temperature in the heating plate 13 in real time, and the temperature information will be introduced into the programmable logic controller 9 through the temperature transmitter 11, the programmable logic controller 9 will compare the real-time temperature, if the temperature does not change or continues to increase, the buzzer 10 will be opened to issue an alarm, timely reminding the relevant personnel, reducing economic loss.

[0047] Embodiment 2

[0048] As Figures 1-6As shown, based on the basis of example 1, the surface of the screw rod 703 is fixed with an auxiliary cleaning structure 12, the auxiliary cleaning structure 12 includes a sleeve 121 for mounting, the surface of the sleeve 121 is movably provided with two positioning bolts 122, the sleeve 121 is movably provided with a telescopic rod 124 inside, the inner wall of the sleeve 121 is provided with two sliding grooves, the outer portion of the telescopic rod 124 is fixedly provided with two sliding blocks, the sliding blocks and the sliding grooves are movably connected, the top of the telescopic rod 124 is fixedly provided with a connecting plate 126, the top of the connecting plate 126 is fixedly provided with a scraper 127, the bottom of the telescopic rod 124 is fixedly provided with a spring 123, the bottom of the spring 123 is fixedly connected with the sleeve 121, the surface of the telescopic rod 124 is provided with a positioning hole 125, the positioning hole 125 is matched with the positioning bolt 122, when it is needed to clean the inner wall of the discharge port subsequently, firstly, the two positioning bolts 122 are simultaneously counterclockwise rotated, the telescopic rod 124 is driven to move upward by the thrust of the spring 123, the connecting plate 126 is driven by the telescopic rod 124, and the scraper 127 is driven by the connecting plate 126, so that the scraper 127 is attached to the inner wall of the discharge port, then the two positioning bolts 122 are reset, one end of the upper positioning bolt 122 is inserted into the positioning hole 125 to realize the positioning of the telescopic rod 124, finally, the motor 701 is started, the screw rod 703 drives the scraper 127 to rotate, and the cleaning of the inner wall of the discharge port is realized.

[0049] The above specific embodiments are only several optional embodiments of the utility model, based on the technical scheme of the utility model and the related enlightenment of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A film laminating machine for thermoforming film, comprising a workbench (1), a lower die (2) and an upper die (3) above the workbench (1) for shaping, a heating box (6) fixedly arranged on the top of the workbench (1) for plasticizing, characterized in that: the heating box (6) is internally provided with a homogenizing structure (7), a heating plate (13) is fixedly arranged on the inner wall of the bottom of the heating box (6), the heating plate (13) is internally provided with a mounting cavity, and a heating wire (14) and a thermocouple module (15) are arranged in the mounting cavity; the homogenizing structure (7) comprises a motor (701) for driving and two rotating shafts (702) for stirring, a plurality of paddles (704) are fixedly arranged on the outer wall of each of the two rotating shafts (702), and a screw rod (703) for conveying and stirring materials is mounted on the output end of the motor (701) through a connecting shaft.

2. The film lamination machine for thermoforming films according to claim 1, characterized in that, A temperature transmitter (11), a programmable logic controller (9) and a buzzer (10) are fixedly arranged on the front of the heating box (6), the lower die (2) is fixedly connected with the workbench (1), a mounting bracket (4) is fixedly arranged on the top of the workbench (1), a hydraulic cylinder (5) is fixedly arranged on the top of the mounting bracket (4), and the output end of the hydraulic cylinder (5) is fixedly connected with the upper die (3).

3. The film lamination machine for thermoforming films according to claim 1, characterized in that, A discharge port is arranged on the inner wall of one side of the heating box (6), a discharge pipe (8) is fixedly arranged on one side of the heating box (6), a sealing cover plate is arranged on one end of the discharge pipe (8), and four supporting legs arranged in a rectangular shape are fixedly arranged on the bottom of the workbench (1).

4. The film lamination machine for thermoforming films according to claim 1, characterized in that, Each of the two rotating shafts (702) is movably connected with the inner wall of the heating box (6), one end of each of the two rotating shafts (702) penetrates through the inner wall of one side of the heating box (6) and is fixedly provided with a driven gear one (706) and a driven gear two (707) respectively, one end of the screw rod (703) penetrates through the inner wall of one side of the heating box (6) and is fixedly provided with a driving gear (705), the driven gear one (706) and the driven gear two (707) are in meshing transmission with the driving gear (705), and an auxiliary cleaning structure (12) is fixedly arranged on the surface of the screw rod (703).

5. The film lamination machine for thermoforming films according to claim 4, characterized in that, Two circular holes are arranged on the inner walls of the two sides of the heating box (6), two bearings are fixedly arranged in each of the two groups of circular holes, and the inner rings of the two groups of bearings are fixedly sleeved on the two rotating shafts (702) respectively.

6. The film lamination machine for thermoforming films according to claim 4, characterized in that, The auxiliary cleaning structure (12) comprises an outer sleeve (121) for mounting, two positioning bolts (122) are movably arranged on the surface of the outer sleeve (121), a telescopic rod (124) is movably arranged in the outer sleeve (121), a connecting plate (126) is fixedly arranged on the top of the telescopic rod (124), and a scraper (127) is fixedly arranged on the top of the connecting plate (126).

7. The film lamination machine for thermoforming films according to claim 6, characterized in that, The inner wall of the outer sleeve (121) is provided with two sliding grooves, the outer part of the telescopic rod (124) is fixedly provided with two sliding blocks, the sliding blocks and the sliding grooves are movably connected, the bottom of the telescopic rod (124) is fixedly provided with a spring (123), the bottom of the spring (123) is fixedly connected with the outer sleeve (121), the surface of the telescopic rod (124) is provided with a positioning hole (125), and the positioning hole (125) is matched with a positioning bolt (122).