Hot stamping device capable of saving hot stamping film

Abstract

The utility model relates to a hot stamping device capable of saving a hot stamping film, the hot stamping device comprises a frame body, a roll feeding roller and a wind-up roller, the roll feeding roller and the wind-up roller are located on the two sides of the frame body respectively, the roll feeding roller and the wind-up roller are both rotatably connected to the frame body, the roll feeding roller is provided with a plurality of first winding drums, the wind-up roller is provided with a plurality of second winding drums, and the first winding drums and the second winding drums are arranged on the frame body. The first winding drums correspond to the second winding drums in a one-to-one mode, hot stamping films are wound around the first winding drums, one ends of the hot stamping films are connected to the corresponding second winding drums, and a gap is formed between every two adjacent first winding drums. The hot stamping film has the effect of reducing waste of the hot stamping film.

Description

Technical Field

[0001] The present application relates to the technical field of hot stamping equipment, and particularly relates to a hot stamping device that saves hot stamping film. Background Art

[0002] The hot stamping process is applied to the surface treatment of the front grille of automobiles and has been increasingly valued by various manufacturers. An intake grille with novel and beautiful design can significantly improve the grade of a sedan, attract customers' attention, and promote sales. The existing hot stamping method is to send the film from left to right and send the whole film by matching the width of the product. In the hot stamping process, the size of the film used often does not depend on the size of the product's hot stamping surface, but on the size of the entire hot stamping area of the product. The actual hot stamping surface of the product is smaller than the entire hot stamping area of the product, resulting in waste of the film outside the actual hot stamping surface. Utility Model Content

[0003] In order to reduce the waste of hot stamping film, the present application provides a hot stamping device that saves hot stamping film.

[0004] The hot stamping device that saves hot stamping film provided by the present application adopts the following technical solutions:

[0005] A hot stamping device that saves hot stamping film includes a frame body, a feeding roller, and a winding roller. The feeding roller and the winding roller are respectively located on both sides of the frame body. The feeding roller and the winding roller are both rotatably connected to the frame body. The feeding roller is provided with a plurality of first winding drums, and the winding roller is provided with a plurality of second winding drums. The first winding drums and the second winding drums correspond to each other one by one. A hot stamping film is wound around the first winding drums. One end of the hot stamping film is connected to the corresponding second winding drum. There is a gap between two adjacent first winding drums.

[0006] By adopting the above technical solutions, by providing a plurality of first winding drums, the original whole-film feeding is changed to transporting a plurality of strip-shaped small films, so that the area of the hot stamping film maximally matches the actual hot stamping surface of the product, thereby improving the effect of reducing the waste of hot stamping film.

[0007] Optionally, the feeding roller is provided with a plurality of spacer blocks, and the plurality of spacer blocks are respectively located between two first winding drums.

[0008] By adopting the above technical solutions, spacer blocks are arranged between two adjacent first winding drums, thereby limiting the positions of two adjacent first winding drums.

[0009] Optionally, the feeding roller is provided with a limiting ring for limiting the two first winding drums at both sides and a first limiting bolt. The limiting ring is sleeved on the feeding roller, and the first limiting bolt is threadedly connected to the limiting ring and abuts against the outer peripheral wall of the feeding roller.

[0010] By adopting the above technical solution, the first reels on both sides are limited by the limiting ring, so as to fix the position of the first reel rising in the axial direction relative to the feeding roller. When limiting, the limiting ring is moved to the limiting position, and then the first limiting bolt is tightened so that the first limiting bolt abuts against the circumferential wall of the feeding roller to fix the limiting ring.

[0011] Optionally, a spring is arranged on the limiting ring. The spring is coaxially sleeved on the feeding roller, and one end of the spring abuts against the outermost first reel.

[0012] By adopting the above technical solution, the spring can apply an elastic force to the first reels on both sides, so that a plurality of first reels and spacer blocks.

[0013] Optionally, two first guide rollers are arranged below the frame body. The axial direction of the first guide rollers is parallel to the axial direction of the feeding roller, and a plurality of winding grooves for winding the hot stamping film are formed on the circumferential wall of the first guide rollers.

[0014] By adopting the above technical solution, on the one hand, the hot stamping film is tensioned by the first guide rollers, and on the other hand, the hot stamping film between the two first guide rollers is arranged horizontally, so as to facilitate hot stamping of workpieces.

[0015] Optionally, lifting frames are arranged at both ends of the first guide rollers. The lifting frames are slidably connected to the frame body in the vertical direction, and the frame body is provided with limiting members for limiting the lifting frames.

[0016] By adopting the above technical solution, it is convenient to adjust the height of the first guide rollers, so as to adjust the height of the hot stamping film between the two first guide rollers, so as to adapt to workpieces of different heights.

[0017] Optionally, the limiting member includes a positioning block, an abutting block, a driving block and a driving rod. The positioning block is arranged on the side surface of the frame body. The lifting frame is provided with a first sliding groove. The positioning block is slidably connected to the first sliding groove. The abutting block is slidably connected to the positioning block. The abutting block is used for abutting against the inner wall of the first sliding groove. The driving block is in a disc shape. A first wedge surface is arranged around the outer side surface of the driving block. A second wedge surface adapted to the first wedge surface is arranged at one end of the abutting blocks close to each other. The driving rod is used for driving the driving block to move.

[0018] By adopting the above technical solution, the driving rod is used to drive the driving block to slide, so that the driving block drives the abutting block to slide through the cooperation of the first wedge surface and the second wedge surface, and abuts against the inner wall of the first sliding groove, so as to limit the height of the first guide rollers.

[0019] Optionally, the frame is provided with a second guide roller, which is rotatably connected to the frame. The position of the second guide roller in the vertical direction is between the frame and the first guide roller, and the second guide roller is located on one side of the first guide roller away from the other first guide roller.

[0020] In summary, the present utility model has the following beneficial effects:

[0021] 1. By providing a plurality of first winding drums, the original whole piece of film feeding is changed to the feeding of multiple strip-shaped small pieces of film, so that the area of the hot stamping film maximally matches the actual hot stamping surface of the product, thereby improving the effect of reducing the waste of the hot stamping film;

[0022] 2. By driving the driving block to slide through the driving rod, the driving block drives the abutting block to slide through the cooperation of the first wedge surface and the second wedge surface, and abuts against the inner wall of the first sliding groove, thereby limiting the height of the first guide roller. Description of the Drawings

[0023] Figure 1 is the structural schematic diagram of this embodiment;

[0024] Figure 2 is Figure 1 the enlarged schematic diagram of part A in

[0025] Figure 3 is the structural schematic diagram of the lifting frame in this embodiment.

[0026] In the figure, 1. Frame; 2. Feeding roller; 21. First winding drum; 22. Spacer block; 23. Limiting ring; 24. Spring; 25. First limit bolt; 3. Winding roller; 31. Second winding drum; 4. First guide roller; 41. Winding groove; 42. Lifting frame; 421. First sliding groove; 5. Hot stamping film; 6. Limiting part; 61. Positioning block; 62. Abutting block; 621. Second wedge surface; 63. Driving block; 631. First wedge surface; 64. Driving rod; 65. Control rod; 7. Second guide roller. Detailed Embodiment

[0027] The following further Figures 1-3 describes the present application in detail with reference to the attached

[0028] The embodiment of the present application discloses a hot stamping device for saving hot stamping film. Refer to Figure 1, including a frame body 1, a feeding roller 2 and a winding roller 3. The frame body 1 is arranged on the device main body through a hydraulic cylinder. The feeding roller 2 and the winding roller 3 are respectively located on both sides of the frame body 1. The feeding roller 2 and the winding roller 3 are both rotatably connected to the frame body 1. A plurality of first winding drums 21 are slidably connected to the feeding roller 2, and the plurality of first winding drums 21 are distributed along the axial direction. A plurality of second winding drums 31 are fixedly connected to the winding roller 3. The first winding drums 21 and the second winding drums 31 are in one-to-one correspondence. A hot stamping film 5 is wound around the first winding drum 21. One end of the hot stamping film 5 is fixedly connected to the corresponding second winding drum 31. There is a gap between two adjacent first winding drums 21. During hot stamping, the middle net is installed below the frame body 1, and the hydraulic cylinder drives the frame body 1 to move downward so that the hot stamping film 5 abuts against the middle net, thereby achieving the hot stamping effect.

[0029] Refer to Figure 1 and Figure 2 , a transmission key is arranged on the feeding roller 2, and a key groove for the transmission key to be clamped is formed on the first winding drum 21. By clamping the transmission key in the key groove of the first winding drum 21, it is convenient for the feeding roller 2 to drive the first winding drum 21 to rotate when rotating, thereby realizing the function of unwinding.

[0030] Refer to Figure 1 and Figure 2 , a plurality of spacer blocks 22 are arranged on the feeding roller 2, and the plurality of spacer blocks 22 are respectively located between two adjacent first winding drums 21. The spacer block 22 is slidably sleeved on the feeding roller 2. Both ends of the spacer block 22 respectively abut against the sides of two adjacent first winding drums 21. A second limit bolt is arranged on the spacer block 22. The second limit bolt is threadedly connected to the spacer block 22 and abuts against the peripheral wall of the feeding roller 2. The position of the spacer block 22 is fixed by the second limit bolt, thereby limiting the first winding drum 21 between two spacer blocks 22.

[0031] Refer to Figure 1 and Figure 2 , limit rings 23 for limiting the first winding drum 21 and first limit bolts 25 are arranged at both ends of the feeding roller 2. The limit ring 23 is slidably sleeved on the feeding roller 2. The first limit bolt 25 is threadedly inserted through the limit ring 23 and abuts against the outer peripheral wall of the feeding roller 2.

[0032] Refer to Figure 1 and Figure 2 , a spring 24 is arranged on the limit ring 23. The spring 24 is coaxially sleeved on the feeding roller 2. One end of the spring 24 is connected to the limit ring 23. The connection manner between the limit ring 23 and the spring 24 can be abutting or fixed connection. In this embodiment, the connection manner is fixed connection. The other end of the spring 24 abuts against the first winding drum 21 closest to the limit ring 23.

[0033] Refer to Figure 1 and Figure 3, two first guide rollers 4 are arranged below the frame body 1. The two first guide rollers 4 are distributed along the length direction of the frame body 1. The axial direction of the first guide roller 4 is parallel to the axial direction of the feeding roller 2. Lifting frames 42 are arranged at both ends of the first guide roller 4. The upper ends of the lifting frames 42 are connected to the frame body 1, and the first guide roller 4 is rotatably connected to the lower ends of the lifting frames 42. A plurality of winding grooves 41 for winding the hot stamping film 5 are formed on the peripheral wall of the first guide roller 4. After coming out of the feeding roller 2, the hot stamping film 5 is sequentially wound on the winding grooves 41 of the two first guide rollers 4, and then connected to the winding roller 3.

[0034] Refer to Figure 1 and Figure 3 , the lifting frame 42 is slidably connected to the frame body 1 in the vertical direction, and the frame body 1 is provided with a limiting member 6 for limiting the lifting frame 42. The limiting member 6 includes a positioning block 61 and an abutting block 62. The positioning block 61 is fixedly connected to the side surface of the frame body 1. The lifting frame 42 is provided with a first sliding groove 421, and the positioning block 61 is slidably connected to the first sliding groove 421. The positioning block 61 is provided with a second sliding groove penetrating in the horizontal direction. There are two abutting blocks 62. Both of the two abutting blocks 62 are located in the second sliding groove and are slidably connected to the second sliding groove. The abutting block 62 is used for abutting against the inner wall of the first sliding groove 421.

[0035] Refer to Figure 1 and Figure 3 , the limiting member 6 further includes a driving block 63 and a driving rod 64. The driving block 63 is disc-shaped. A first wedge surface 631 is arranged around the outer side surface of the driving block 63. A second wedge surface 621 adapted to the first wedge surface 631 is arranged at one end of the abutting block 62 close to each other. By sliding the driving block 63, the two abutting blocks 62 can be forced to slide in the direction away from each other, so as to abut against the inner wall of the first sliding groove 421. One end of the driving rod 64 is fixedly connected to the driving block 63. The middle part of the driving rod 64 is threadedly connected to the positioning block 61 and penetrates to the outside of the positioning block 61. A control rod 65 is fixedly connected to the end of the driving rod 64 away from the driving block 63, so as to facilitate controlling the driving rod 64 to rotate.

[0036] Refer to Figure 1 and Figure 3 , the frame body 1 is provided with a second guide roller 7. Both ends of the second guide roller 7 are rotatably connected to the frame body 1. The position of the second guide roller 7 in the vertical direction is between the frame body 1 and the first guide roller 4. The second guide roller 7 is located on the side of the first guide roller 4 away from the other first guide roller 4.

[0037] The implementation principle of a hot stamping device for saving hot stamping film 5 in an embodiment of the present application is as follows: By providing a plurality of first reels 21, the original whole film feeding is changed to feeding multiple strip-shaped small films, so that the area of the hot stamping film 5 maximally matches the actual hot stamping surface of the product, thereby improving the effect of reducing the waste of the hot stamping film 5.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A hot stamping device for saving hot stamping film, characterized in that: The invention comprises a frame (1), a winding roller (2) and a winding roller (3), wherein the winding roller (2) and the winding roller (3) are respectively located on two sides of the frame (1), and the winding roller (2) and the winding roller (3) are both rotatably connected to the frame (1), the winding roller (2) is provided with a plurality of first winding drums (21), and the winding roller (3) is provided with a plurality of second winding drums (31), the first winding drums (21) and the second winding drums (31) are in one-to-one correspondence, and a hot stamping film is wound around the first winding drum (21). (5), one end of the hot stamping film (5) is connected to the corresponding second reel (31), and a gap is provided between two adjacent first reels (21); two first guide rollers (4) are provided below the frame (1), the axial direction of the first guide roller (4) is parallel to the axial direction of the reeling roller (2), and the peripheral wall of the first guide roller (4) is provided with a plurality of winding grooves (41) for winding the hot stamping film (5); and lifting frames (42) are provided at both ends of the first guide roller (4). The lifting frame (42) is slidably connected to the frame body (1) in a vertical direction, and the frame body (1) is provided with a limiting member (6) for limiting the position of the lifting frame (42); the limiting member (6) comprises a positioning block (61), an abutting block (62), a driving block (63) and a driving rod (64), the positioning block (61) is arranged on a side of the frame body (1), the lifting frame (42) is provided with a first sliding groove (421), and the positioning block (61) is slidably connected to the first sliding groove (421) 21), the abutment block (62) is slidably connected to the positioning block (61), the abutment block (62) is used to abut against the inner wall of the first sliding groove (421), the driving block (63) is disc-shaped, the outer side surface of the driving block (63) is surrounded by a first wedge surface (631), and one end of the abutment block (62) close to each other is provided with a second wedge surface (621) adapted to the first wedge surface (631), and the driving rod (64) is used to drive the driving block (63) to move.

2. A hot stamping device for saving hot stamping film according to claim 1, characterized in that: The reeling roller (2) is provided with a plurality of spacer blocks (22), and the plurality of spacer blocks (22) are respectively located between the two first reels (21).

3. The hot stamping device for saving hot stamping film according to claim 1, characterized in that: The winding roller (2) is provided with a limiting ring (23) and a first limiting bolt (25) for limiting the position of the first winding drums (21) on both sides; the limiting ring (23) is sleeved on the winding roller (2); the first limiting bolt (25) is threadedly connected to the limiting ring (23) and abuts against the outer peripheral wall of the winding roller (2).

4. The hot stamping device for saving hot stamping film according to claim 3, characterized in that: The limiting ring (23) is provided with a spring (24), the spring (24) being coaxially sleeved on the winding roller (2), and one end of the spring (24) being in contact with the first winding drum (21) located at the outermost edge.

5. The hot stamping device for saving hot stamping film according to claim 1, characterized in that: The frame (1) is provided with a second guide roller (7), the second guide roller (7) is rotatably connected to the frame (1), the second guide roller (7) is located between the frame (1) and the first guide roller (4) in the vertical direction, and the second guide roller (7) is located on a side of the first guide roller (4) away from the other first guide roller (4).

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