Internal film changing mechanism of pre-coating film machine
By designing a membrane exchange mechanism including a clamping rod and a rotating shaft in the pre-coated film machine, the problem of film tail retraction or chaos during film replacement is solved, and the accurate clamping and replacement of the film coil is achieved, and the product quality and accuracy are improved.
Patent Information
- Application Number
- CN202421574192.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-04
AI Technical Summary
When existing pre-coated film machines replace film materials, it is difficult to achieve accurate film replacement, resulting in film tail retraction or chaos, affecting product quality.
A membrane exchange mechanism for the pre-coated film machine is designed, including a base, a coating machine, a feed port, a placement frame, a slot, a rotary shaft, a clamping rod and a silicone tube. Through the cooperation of the clamping rod and a rotary shaft, the precise clamping and replacement of the film roll is achieved.
It realizes effective fixation of the film tail when replacing the film roll, prevents retraction or chaos, ensures that the film roll is in a flat state when it is discharged, and improves the quality and accuracy of the product.
Smart Images

Figure CN222729089U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pre-coating film machines, in particular to an internal film changing mechanism of a pre-coating film machine. Background Art
[0002] A pre-coating machine is a device used to evenly coat one or more layers of film on the surface of a substrate. This device is widely used in electronics, optics, packaging and other fields to improve product performance and appearance quality. The core function of a pre-coating machine is to accurately attach a film of a specific material to a substrate to form a coating with specific functions.
[0003] However, during the use of the pre-coating machine, the film material may need to be replaced for various reasons, such as the film is used up, or a different type of film needs to be replaced. This requires a device that can accurately replace the film inside the pre-coating machine. In view of the above problems, a film changing mechanism inside the pre-coating machine is proposed. Utility Model Content
[0004] The utility model aims to make up for the deficiencies of the prior art and provides an internal film changing mechanism for a pre-coating film machine.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an internal film changing mechanism of a pre-coating machine, comprising a base, a top outer surface of the base is fixedly connected to a coating body, two sides of the coating body are provided with slots, a conveying platform is fixedly connected to the bottom end of the coating body, a discharge port is provided on the outside of one side of the coating body, a placement rack is fixedly connected to the outer surface of the discharge port, a slot is provided on the inner surface of the placement rack, a rotating shaft is movably connected to the inner surface of the slot, a first clamping rod is fixedly connected to the outside of one side of the rotating shaft, a silicone tube is fixedly connected to the top outer surface of the first clamping rod, a second clamping rod is movably connected to the outside of the other side of the rotating shaft, and an operating rod is fixedly connected to the outer surface of one side of the second clamping rod.
[0006] As mentioned above, the placement racks are symmetrically distributed on the outside of the discharge port, the placement racks are arranged in a side-grooved "U" shape, and the card slots are symmetrically opened on the inner walls on both sides of the placement racks.
[0007] As mentioned above, the rotating shaft is engaged and connected to the inner walls of the slots on both sides, the first clamping rod is fixed to the outer side of the rotating shaft, and the other side of the first clamping rod is fixedly connected to the inner wall of the placement frame at the other end, and the silicone tube is fixed to the adjacent side of the inner wall of the first clamping rod and the second clamping rod.
[0008] As mentioned above, the second clamping rod is rotatably connected to the other side of the rotating shaft, the operating rod is engaged with the placement frame at the other end, and the second clamping rod is rotatably connected to the first clamping rod through the rotating shaft.
[0009] As mentioned above, a feed inlet is opened on the outside of the other side of the coating machine body, and film guide grooves are fixedly connected to the inner surfaces of both sides of the feed inlet, and a coating roller is fixedly connected to the outer surface of the inner end of the film guide groove, and a placing rod is provided on one side of the coating roller, and a smoothing sheet is fixedly connected to the outer surface of the top end of the placing rod, and a fixing rod is movably connected to the outside of the smoothing sheet, and the fixing rod is fixed to the inner wall of the groove, and a grip rod is fixedly connected to the outer surface of the other side of the smoothing sheet.
[0010] As mentioned above, the laminating roller passes through the film guiding groove and is fixed to the inner wall of the laminating machine body, and one side of the film guiding groove is fixed to the inside of the laminating machine body.
[0011] As mentioned above, the placing rod is rotatably connected to the inside of the fixed rods on both sides, the placing rod is fixed to one side of the coating roller through the fixed rod, the fixed rod passing through one side of the placing rod is fixedly connected to the holding rod, the smoothing sheet is an arc-shaped plate shape that fits the outside of the coating roller, and the smoothing sheet is rotatably connected to the coating roller through the cooperation of the holding rod, the fixed rod and the placing rod.
[0012] Compared with the prior art, the internal film changing mechanism of the pre-coating film machine has the following beneficial effects:
[0013] 1. According to the utility model, before a new film roll starts to run, the operator passes the end of the new film roll through the discharge port. A second clamping rod and a first clamping rod are arranged at the discharge port of the device. The placement frame adopts a side slotted "U" shape design. The card slot is used to fix the rotating shaft. The silicone tube is fixed to the adjacent side of the inner wall of the first clamping rod and the second clamping rod to protect the film roll during clamping. The second clamping rod rotates up and down through the rotating shaft and intersects with the first clamping rod when rotating to the bottom side to achieve clamping of the film roll. The film tail is fixed by the second clamping rod and the first clamping rod when replacing the film roll, thereby preventing the film tail from shrinking or becoming disordered. As the new film roll is started, the film tail is pulled out and enters the subsequent processing flow through the discharge port.
[0014] The smoothing sheet attached to the outside of the film roll can ensure that the film roll is in a flat state when the film is discharged, thereby ensuring the quality of the product in applications requiring high-precision lamination.
[0015] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and study, or may be taught from the practice of the present invention to some extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the internal film changing mechanism of the pre-coating film machine of the utility model;
[0017] Figure 2 It is a schematic diagram of the side view structure of the internal film changing mechanism of the pre-coating film machine of the utility model;
[0018] Figure 3 It is a schematic diagram of the structure of the film-changing mechanism of the pre-coating film machine of the utility model;
[0019] Figure 4 It is a cross-sectional structural schematic diagram of a placement frame of a film changing mechanism inside a pre-coating film machine of the utility model;
[0020] Figure 5 It is a schematic diagram of the structure of the coating roller of the internal film changing mechanism of the pre-coating film machine of the utility model.
[0021] In the figure: 1. base; 101. laminating machine body; 102. slot; 103. conveying platform; 2. discharge port; 201. placement rack; 202. card slot; 203. rotating shaft; 204. first clamping rod; 205. silicone tube; 206. second clamping rod; 207. operating rod; 3. feed port; 301. film guide groove; 302. laminating roller; 303. placement rod; 304. smoothing sheet; 305. fixing rod; 306. gripping rod. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] like Figure 1-5 As shown, the utility model provides a technical solution: an internal film changing mechanism of a pre-coating film machine, comprising a base 1, a top outer surface of the base 1 is fixedly connected to a film coating machine body 101, two sides of the film coating machine body 101 are provided with slots 102, a bottom inner portion of the film coating machine body 101 is fixedly connected to a conveying platform 103, a discharge port 2 is provided on one side of the film coating machine body 101, a placement rack 201 is fixedly connected to the outer surface of the discharge port 2, a card slot 202 is provided on the inner surface of the placement rack 201, a rotating shaft 203 is movably connected to the inner surface of the card slot 202, a first clamping rod 204 is fixedly connected to the outer side of one side of the rotating shaft 203, and a silicone tube is fixedly connected to the top outer portion of the first clamping rod 204 205, the other side of the rotating shaft 203 is externally movably connected with a second clamping rod 206, and the outer surface of one side of the second clamping rod 206 is fixedly connected with an operating rod 207, and the other side of the coating body 101 is provided with a feeding port 3, and the inner surfaces on both sides of the feeding port 3 are fixedly connected with film guide grooves 301, and the outer surface of the inner end of the film guide groove 301 is fixedly connected with a coating roller 302, and a placing rod 303 is provided on one side of the coating roller 302, and the outer surface of the top end of the placing rod 303 is fixedly connected with a smoothing sheet 304, and the smoothing sheet 304 is externally movably connected with a fixing rod 305, and the fixing rod 305 is fixed to the inner wall of the slot 102, and the outer surface of the other side of the smoothing sheet 304 is fixedly connected with a gripping rod 306.
[0024] According to the overall structure of the device, when the film roll inside the device is used up, the operator transfers the new film roll to the internal coating roller 302 through the film guide groove 301, passes one end of the new film roll through the coating roller 302, and then adjusts the internal coating roller 302 through the slots 102 on both sides to ensure that it is in a normal state. When the position of the new film roll is fixed, the machine is started. When the film roll begins to be transported, the staff manually turns the outer gripping rod 306, and the gripping rod 306 drives the internal placement rod 303 to rotate. The placement rod 303 is rotatably connected to the inner wall of the fixing rod 305, so that the placement rod 303 can fix its own position when rotating. The placement rod 303 drives the smoothing sheet 304 at the bottom to rotate. When the smoothing sheet 304 rotates to the side of the coating roller 302 that is attached to the film roll. Stop rotating. At this time, the position of the placement rod 303 will be locked inside the fixing rod 305 to prevent it from rotating. The smoothing sheet 304 attached to the outside of the film roll can ensure that the film roll is in a flat state when the film is discharged. Before the new film roll starts to run, the operator passes the end of the new film roll through the discharge port 2. The second clamping rod 206 and the first clamping rod 204 are provided at the discharge port 2 of the device. The placement rack 201 adopts a side slotted "U" shape design. The slot 202 is used to fix the rotating shaft 203. The silicone tube 205 is fixed to the adjacent side of the inner wall of the first clamping rod 204 and the second clamping rod 206 to protect the film roll when clamping. The second clamping rod 206 rotates up and down through the rotating shaft 203, and intersects with the first clamping rod 204 when rotating to the bottom side to achieve clamping of the film roll.
[0025] like Figure 1-5 As shown, the placement rack 201 is symmetrically distributed on the outer side of the discharge port 2, and the placement rack 201 is set in a side groove "U" shape. The slots 202 are symmetrically opened on the inner walls of the placement rack 201 on both sides, and the rotating shaft 203 is clamped and connected to the inner walls of the slots 202 on both sides. The first clamping rod 204 is clamped on the outer side of the rotating shaft 203, and the other side of the first clamping rod 204 is fixedly connected to the inner wall of the placement rack 201 at the other end, the silicone tube 205 is fixed to the adjacent side of the inner wall of the first clamping rod 204 and the second clamping rod 206, the second clamping rod 206 is rotatably connected to the other side of the rotating shaft 203, the operating rod 207 is clamped and connected to the placement rack 201 at the other end, and the second clamping rod 206 is rotatably connected with the first clamping rod 204 through the rotating shaft 203.
[0026] A second clamping rod 206 and a first clamping rod 204 are provided at the discharge port 2, and the placement rack 201 adopts a side-grooved "U" shape design, and the card slot 202 is used to fix the rotating shaft 203. The silicone tube 205 is fixed to the adjacent side of the inner wall of the first clamping rod 204 and the second clamping rod 206 to protect the film roll during clamping. The second clamping rod 206 rotates up and down through the rotating shaft 203, and intersects with the first clamping rod 204 when rotating to the bottom side to achieve clamping of the film roll. The film tail is fixed by the second clamping rod 206 and the first clamping rod 204 when replacing the film roll, thereby preventing the film tail from shrinking or becoming disordered. As the new film roll is started, the film tail is pulled out and enters the subsequent processing flow through the discharge port 2.
[0027] like Figure 1-5 As shown, the coating roller 302 passes through the film guide groove 301 and is fixed to the inner wall of the coating machine body 101, one side of the film guide groove 301 is fixed to the inside of the coating machine body 101, the placement rod 303 is rotatably connected to the inside of the fixed rod 305 on both sides, the placement rod 303 is fixed to one side of the coating roller 302 through the fixed rod 305, the fixed rod 305 passing through one side of the placement rod 303 is fixedly connected to the holding rod 306, the smoothing sheet 304 is set in the shape of an arc plate that fits the outside of the coating roller 302, and the smoothing sheet 304 is rotatably connected to the coating roller 302 through the cooperation of the holding rod 306, the fixed rod 305 and the placement rod 303.
[0028] The new film roll is transferred to the internal coating roller 302 through the film guide groove 301, one end of the new film roll is passed through the coating roller 302, and then the internal coating roller 302 is adjusted through the slots 102 on both sides to ensure that it is in a normal state. When the position of the new film roll is fixed, the machine is started. When the film roll begins to be conveyed, the staff manually turns the outer grip 306, and the grip 306 drives the internal placement rod 303 to rotate. The placement rod 303 is rotatably connected to the inner wall of the fixing rod 305, so that the placement rod 303 can fix its own position when rotating. The placement rod 303 drives the smoothing sheet 304 at the bottom to rotate, and the smoothing sheet 304 stops rotating when it rotates to the side of the coating roller 302 that is attached to the film roll. The smoothing sheet 304 attached to the outside of the film roll can ensure that the film roll is in a flat state when the film is discharged.
[0029] Working principle: When the film roll inside the device is used up, the operator transfers the new film roll to the internal film coating roller 302 through the film guide groove 301, passes one end of the new film roll through the film coating roller 302, and then adjusts the internal film coating roller 302 through the slots 102 on both sides to ensure that it is in a normal state. When the position of the new film roll is fixed, the machine is started. When the film roll begins to be transported, the staff manually rotates the outer grip 306, and the grip 306 drives the internal placement rod 303 to rotate The placement rod 303 is rotatably connected to the inner wall of the fixing rod 305, so that the placement rod 303 can fix its own position when rotating, and the placement rod 303 drives the smoothing sheet 304 at the bottom to rotate, and the smoothing sheet 304 stops rotating when it rotates to the side of the film roll attached to the outside of the laminating roller 302. At this time, the inside of the fixing rod 305 will clamp the position of the placement rod 303 so that it no longer rotates, and the smoothing sheet 304 attached to the outside of the film roll can ensure that the film roll is in a flat state when the film is unloaded;
[0030] Before the new film roll starts to run, the operator passes the end of the new film roll through the discharge port 2. The second clamping rod 206 and the first clamping rod 204 are provided at the discharge port 2 of the device. The placement rack 201 adopts a side-slotted "U" shape design. The card slot 202 is used to fix the rotating shaft 203. The silicone tube 205 is fixed to the adjacent side of the inner wall of the first clamping rod 204 and the second clamping rod 206 to protect the film roll during clamping. The second clamping rod 206 rotates up and down through the rotating shaft 203, and intersects with the first clamping rod 204 when rotating to the bottom side to achieve clamping of the film roll.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art 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 appended claims and their equivalents.
Claims
1. A film changing mechanism inside a pre-coating machine, comprising a base (1), characterized in that: The top outer surface of the base (1) is fixedly connected to a laminating machine body (101), two sides of the laminating machine body (101) are provided with slots (102), the bottom inner part of the laminating machine body (101) is fixedly connected to a conveying platform (103), one side of the laminating machine body (101) is provided with an outlet (2), the outer surface of the outlet (2) is fixedly connected to a placement rack (201), and the inner surface of the placement rack (201) is provided with a card slot. (202), the inner surface of the slot (202) is movably connected to a rotating shaft (203), one side of the rotating shaft (203) is externally fixedly connected to a first clamping rod (204), the top end of the first clamping rod (204) is externally fixedly connected to a silicone tube (205), the other side of the rotating shaft (203) is externally movably connected to a second clamping rod (206), and one side of the outer surface of the second clamping rod (206) is fixedly connected to an operating rod (207).
2. The internal film changing mechanism of the pre-coating film machine according to claim 1, characterized in that: The placement rack (201) is symmetrically distributed on the outside of the discharge port (2); the placement rack (201) is arranged in a side-grooved "U" shape; and the clamping slots (202) are symmetrically opened on the inner walls of both sides of the placement rack (201).
3. The internal film changing mechanism of the pre-coating film machine according to claim 1, characterized in that: The rotating shaft (203) is snap-fitted to the inner walls of the slots (202) on both sides, the first clamping rod (204) is snap-fitted to one side of the outside of the rotating shaft (203), and the other side of the first clamping rod (204) is fixedly connected to the inner wall of the placement frame (201) at the other end, and the silicone tube (205) is fixed to one side adjacent to the inner wall of the first clamping rod (204) and the second clamping rod (206).
4. The internal film changing mechanism of the pre-coating film machine according to claim 1, characterized in that: The second clamping rod (206) is rotatably connected to the other side of the rotating shaft (203), the operating rod (207) is engaged and connected with the placement frame (201) at the other end, and the second clamping rod (206) is rotatably connected to the first clamping rod (204) through the rotating shaft (203).
5. The internal film changing mechanism of the pre-coating film machine according to claim 1, characterized in that: A feed port (3) is provided on the outside of the other side of the coating machine body (101), and film guide grooves (301) are fixedly connected to the inner surfaces of both sides of the feed port (3), and a coating roller (302) is fixedly connected to the outer surface of the inner end of the film guide groove (301), and a placement rod (303) is provided on one side of the coating roller (302), and a smoothing sheet (304) is fixedly connected to the outer surface of the top end of the placement rod (303), and a fixing rod (305) is movably connected to the outside of the smoothing sheet (304), and the fixing rod (305) is fixed to the inner wall of the slot (102), and a gripping rod (306) is fixedly connected to the outer surface of the other side of the smoothing sheet (304).
6. The internal film changing mechanism of the pre-coating film machine according to claim 5, characterized in that: The laminating roller (302) penetrates the film guiding groove (301) and is fixed to the inner wall of the laminating machine body (101); one side of the film guiding groove (301) is externally fixed to the inside of the laminating machine body (101).
7. The internal film changing mechanism of the pre-coating film machine according to claim 5, characterized in that: The placement rod (303) is rotatably connected to the inside of the fixed rods (305) on both sides, and the placement rod (303) is fixed to one side of the coating roller (302) through the fixed rod (305). The fixed rod (305) passing through one side of the placement rod (303) is fixedly connected to the holding rod (306). The smoothing sheet (304) is an arc-shaped plate that fits the outside of the coating roller (302). The smoothing sheet (304) is rotatably connected to the coating roller (302) through the cooperation of the holding rod (306), the fixed rod (305) and the placement rod (303).