In-mold decoration printing film forming equipment

By designing the combination structure of the forming module and the hot baking module in the printing film forming equipment, the mechanical transmission of hydraulic cylinders, two-way electric push rods, gear shafts and infrared baking lamps is solved, and the problem of low baking efficiency of printing films in existing equipment is achieved, achieving uniform and rapid baking of printing films.

CN222628351UActive Publication Date: 2025-03-18TAIZHOU YANDI ENTERPRISE CO LTD
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Patent Information

Application Number
CN202421382575.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-03-18
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

Existing printing film forming equipment is less efficient when baking printing films, resulting in uneven baking of printing films.

Method used

A molding equipment for decorative printing films is designed, using a structure that combines molding modules and hot baking modules. Through mechanical transmission of hydraulic cylinders, bidirectional electric push rods, gear shafts and infrared baking lamps, uniform and rapid baking of printing films is achieved.

Benefits of technology

The uniform and rapid baking of the printing film is achieved, the baking efficiency is improved, and the uniform molding of the printing film is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses in-mold decoration printing film forming equipment which comprises a forming module and a hot baking module, the forming module comprises a frame, a bottom plate installed in the frame, a lower mold embedded in the top of the bottom plate, a hydraulic cylinder penetrating through the top of the frame, and an upper mold connected with the movable end of the hydraulic cylinder, and the upper die is matched with the lower die. In the utility model, once a printing film is placed on the lower die, the external PLC can control the movable end of the air cylinder to contract, then the limiting sliding plate drives the supporting plate to reach the central position of the printing film, then the external PLC starts the bidirectional electric push rod, then the two toothed plates move, the gear shafts matched with the toothed plates rotate, and then the printing film is driven by mechanical transmission. The multiple gear shafts rotate at the same time, then the multiple infrared baking lamps rotate outwards at the same time, in this way, the printing film can be evenly and rapidly baked, and the baking efficiency is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of printing film forming, in particular to in-mold decorative printing film forming equipment. Background Art

[0002] In-mold decoration technology is currently a popular surface decoration technology in the world. Plastic parts produced by in-mold decoration technology generally have a hardened transparent film on the surface, a printed pattern layer in the middle, and an injection layer on the back. The printed pattern layer (or ink layer) is set in the middle to prevent the pattern on the plastic part from being scratched and resisting friction, and can keep the color bright and non-fading for a long time. In addition, it can also prevent formaldehyde or other harmful substances in the ink from emitting to the outside.

[0003] Application number CN201020122172.3 relates to a printing film forming device. The composite in-mold decorative printing film forming device includes a pneumatic printing film forming device body, and the pneumatic printing film forming device body includes a pneumatic mold system, etc. This application reduces the occupied space and reduces the investment cost. And it can form an inclination angle with a smaller R angle. When this application is used specifically, due to the large area of ​​the printing film, the infrared heating system with a limited irradiation range has low efficiency when baking the printing film evenly. Utility Model Content

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0005] To this end, the technical solution adopted in this utility model is:

[0006] A molding device for in-mold decorative printing film, comprising a molding module and a heat baking module, wherein the molding module comprises a frame, a bottom plate installed inside the frame, a lower mold embedded in the top of the bottom plate, a hydraulic cylinder running through the top of the frame, an upper mold connected to the movable end of the hydraulic cylinder, the upper mold is adapted to the lower mold, and a heat baking module, wherein the heat baking module comprises a T-shaped frame arranged on one side of the bottom plate, two connecting rods connected between the bottom plate and the T-shaped frame, a limiting slide plate slidably embedded in the top of the T-shaped frame, a cylinder connected between the T-shaped frame and the limiting slide plate, a support plate connected to one end of the limiting slide plate, a plurality of gear shafts movably connected to the support plate, an infrared baking lamp attached to the bottom of the support plate and connected to the gear shaft, a bidirectional electric push rod connected to the top of the support plate, two tooth plates connected to the movable end of the bidirectional electric push rod, and a mobile power supply connected to the top of the limiting slide plate, wherein the plurality of infrared baking lamps are connected in series and electrically connected to the mobile power supply, and the two tooth plates are respectively meshed with the two gear shafts.

[0007] By adopting the above technical solution, once the printed film is placed on the lower mold, the external PLC will control the retraction of the movable end of the cylinder, and then the limit slide will bring the support plate to the center of the printed film, and then the external PLC will start the two-way electric push rod, and then the two tooth plates will move, and the gear shaft that cooperates with the tooth plates will rotate, and then under mechanical transmission, multiple gear shafts will rotate at the same time, and then multiple infrared baking lamps will rotate outward at the same time, so that the printed film can be baked evenly and quickly, and the baking efficiency is high.

[0008] In a preferred example, the present invention can be further configured as follows: a plurality of legs are sleeved on the bottom of the frame, and the plurality of legs are arranged in a matrix.

[0009] In a preferred example, the utility model can be further configured as follows: a reinforcement sleeve is sleeved on the outer side of the hydraulic cylinder, and the bottom of the reinforcement sleeve is fixedly connected to the top of the frame.

[0010] In a preferred example, the present invention can be further configured as follows: two connecting rods are arranged vertically, and the length of the connecting rod is greater than the length of the supporting plate.

[0011] In a preferred example, the utility model can be further configured as follows: a plurality of gear shafts are arranged in groups of two, and are arranged in two groups, and the two gear shafts in each group are meshed with each other.

[0012] In a preferred example, the utility model can be further configured as follows: the cylinder and the bidirectional electric push rod are both electrically connected to an external PLC.

[0013] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0014] 1. In the utility model, once the printed film is placed on the lower mold, the external PLC will control the retraction of the movable end of the cylinder, and then the limit slide will bring the support plate to the center of the printed film, and then the external PLC will start the two-way electric push rod, and then the two tooth plates will move, and the gear shaft that cooperates with the tooth plates will rotate, and then under mechanical transmission, multiple gear shafts will rotate at the same time, and then multiple infrared baking lamps will rotate outward at the same time, so that the printed film can be baked evenly and quickly, and the baking efficiency is high.

[0015] 2. In the utility model, after the printing film is baked, the support plate is controlled to come to one side of the bottom plate, and then the hydraulic cylinder is controlled to bring the upper mold down, and the upper mold cooperates with the lower mold to complete the molding of the printing film. The structure is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the molding module of the utility model;

[0018] Figure 3 It is a schematic diagram of the hot baking module of the utility model.

[0019] Reference numerals:

[0020] 100, forming module; 110, frame; 120, bottom plate; 130, lower mold; 140, hydraulic cylinder; 150, upper mold;

[0021] 200, hot baking module; 210, T-shaped frame; 220, connecting rod; 230, limit slide plate; 240, cylinder; 250, support plate; 260, gear shaft; 270, infrared baking lamp; 280, two-way electric push rod; 290, gear plate; 291, mobile power supply;

[0022] 300, support your feet;

[0023] 400. Reinforcement sleeve. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0026] The following describes an in-mold decorative printing film forming device provided by some embodiments of the utility model in conjunction with the accompanying drawings. Embodiment 1

[0027] Combination Figure 1-3 As shown, the utility model provides an in-mold decorative printing film forming device, including a forming module 100 and a hot baking module 200, wherein the forming module 100 includes a frame 110, a bottom plate 120 installed inside the frame 110, a lower mold 130 embedded in the top of the bottom plate 120, a hydraulic cylinder 140 passing through the top of the frame 110, and an upper mold 150 connected to the movable end of the hydraulic cylinder 140, wherein the upper mold 150 is adapted to the lower mold 130;

[0028] The hot grilling module 200 includes a T-shaped frame 210 disposed on one side of the bottom plate 120, two connecting rods 220 connected between the bottom plate 120 and the T-shaped frame 210, a limiting slide 230 slidably embedded in the top of the T-shaped frame 210, a cylinder 240 connected between the T-shaped frame 210 and the limiting slide 230, a support plate 250 connected to one end of the limiting slide 230, and a plurality of gear shafts 250 movably connected to the support plate 250. 60. An infrared heating lamp 270 attached to the bottom of the support plate 250 and connected to the gear shaft 260, a two-way electric push rod 280 connected to the top of the support plate 250, two tooth plates 290 connected to the movable ends of the two-way electric push rod 280, and a mobile power supply 291 connected to the top of the limiting slide plate 230. Multiple infrared heating lamps 270 are connected in series and electrically connected to the mobile power supply 291, and the two tooth plates 290 are respectively engaged with the two gear shafts 260.

[0029] Furthermore, two connecting rods 220 are arranged vertically, and the length of the connecting rods 220 is greater than the length of the support plate 250. With this size design, after the printed film is baked, the support plate 250 can be completely moved to the side of the bottom plate 120, so as not to block the descent of the upper mold 150.

[0030] Furthermore, the multiple gear shafts 260 are arranged in two groups, and the two gear shafts 260 in each group are meshed with each other. With this structural design, the multiple infrared baking lamps 270 can rotate outward at the same time, so that the entire printed film can be quickly baked.

[0031] Furthermore, the cylinder 240 and the bidirectional electric push rod 280 are both electrically connected to an external PLC. The control method of the utility model is to achieve automatic control through an external PLC. The control circuit of the external PLC can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model no longer explains the control method and circuit connection in detail. Then, by adopting this structural design, the device will be more convenient to use. Embodiment 2

[0032] Combination Figure 1-2 As shown, on the basis of the first embodiment, a plurality of legs 300 are sleeved on the bottom of the frame 110, and the plurality of legs 300 are arranged in a matrix. The legs 300 are provided to make the device more stably placed. Embodiment 3

[0033] Combination Figure 1-2As shown, in the above embodiment, a reinforcement sleeve 400 is sleeved on the outer side of the hydraulic cylinder 140 , and the bottom of the reinforcement sleeve 400 is fixedly connected to the top of the frame 110 . The reinforcement sleeve 400 can improve the connection firmness between the hydraulic cylinder 140 and the frame 110 .

[0034] The working principle and use process of the utility model: when the device is put into actual use, once the printed film is placed on the lower mold 130, the external PLC will control the movable end of the cylinder 240 to retract, and then the limiting slide 230 brings the support plate 250 to the center position of the printed film, and then the external PLC starts the two-way electric push rod 280, and then the two tooth plates 290 move, and the gear shaft 260 matched with the tooth plate 290 rotates, and then under mechanical transmission, multiple gear shafts 260 rotate at the same time, and then multiple infrared baking lamps 270 rotate outward at the same time, so that the printed film can be baked evenly and quickly, and then after the baking is completed, the hydraulic cylinder 140 brings the upper mold 150 down, and the upper mold 150 cooperates with the lower mold 130 to complete the molding of the printed film.

[0035] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An in-mold decorative printing film forming device, characterized in that: include: A molding module (100), the molding module (100) comprising a frame (110), a bottom plate (120) mounted inside the frame (110), a lower mold (130) embedded in the top of the bottom plate (120), a hydraulic cylinder (140) passing through the top of the frame (110), and an upper mold (150) connected to a movable end of the hydraulic cylinder (140), the upper mold (150) being compatible with the lower mold (130); A hot grilling module (200), the hot grilling module (200) comprising a T-shaped frame (210) disposed on one side of the bottom plate (120), two connecting rods (220) connected between the bottom plate (120) and the T-shaped frame (210), a limiting slide plate (230) slidably embedded in the top of the T-shaped frame (210), a cylinder (240) connected between the T-shaped frame (210) and the limiting slide plate (230), and a support (240) connected to one end of the limiting slide plate (230). A support plate (250), a plurality of gear shafts (260) movably connected to the support plate (250), an infrared heating lamp (270) attached to the bottom of the support plate (250) and connected to the gear shaft (260), a bidirectional electric push rod (280) connected to the top of the support plate (250), two tooth plates (290) connected to the movable ends of the bidirectional electric push rod (280), and a mobile power source (291) connected to the top of the limiting slide plate (230); The plurality of infrared roasting lamps (270) are connected in series and are electrically connected to a mobile power source (291), and the two toothed plates (290) are respectively meshed with the two gear shafts (260).

2. The in-mold decorative printing film forming equipment according to claim 1, characterized in that: A plurality of support legs (300) are sleeved on the bottom of the frame (110), and the plurality of support legs (300) are arranged in a matrix.

3. The in-mold decorative printing film forming equipment according to claim 1, characterized in that: A reinforcement sleeve (400) is sleeved on the outside of the hydraulic cylinder (140), and the bottom of the reinforcement sleeve (400) is fixedly connected to the top of the frame (110).

4. The in-mold decorative printing film forming equipment according to claim 1, characterized in that: The two connecting rods (220) are arranged vertically, and the length of the connecting rods (220) is greater than the length of the supporting plate (250).

5. The in-mold decorative printing film forming equipment according to claim 1, characterized in that: The plurality of gear shafts (260) are arranged in pairs to form two groups, and the two gear shafts (260) in each group are meshed with each other.

6. The in-mold decorative printing film forming equipment according to claim 1, characterized in that: The air cylinder (240) and the bidirectional electric push rod (280) are both electrically connected to an external PLC.

Citation Information

Patent Citations

  • Composite in-mold decorative printing film forming equipment

    CN201613615U