A detection device for producing polyimide film

Abstract

The present invention relates to the technical field of polyimide film, and discloses a detection device for producing polyimide film, comprising a machine body, wherein a high temperature resistant detection mechanism is arranged inside the machine body, and the high temperature resistant detection mechanism comprises a fixed slot body, a first electric push rod, a triangular block, a first guide rail, a first linear motor, an aluminum plate, a first slide groove, a first slider, and an igniter; the fixed slot body is fixedly connected to the machine body, the first electric push rod is fixedly connected to the machine body, and the first electric push rod is located on the left side of the fixed slot body. The present invention can fix both sides of the polyimide film by arranging the fixed slot body, the first electric push rod, the triangular block, the first rotating rod, the first reel, the card slot and the card block, thereby improving the stability during detection, and can heat the aluminum plate by arranging the igniter, thereby heating the polyimide film, and detecting the heat resistance of the polyimide film.

Description

Technical Field

[0001] The invention relates to the technical field of polyimide films, in particular to a detection device for producing polyimide films. Background Art

[0002] Polyimide film is made by casting polyamide acid solution, stretching, and high-temperature imidization. The film is yellow and transparent, with a relative density of 1.39 to 1.45. It has outstanding high temperature resistance, radiation resistance, chemical corrosion resistance, and electrical insulation properties, and can be used for a long time in air at 250 to 280°C. It is particularly suitable for use as a flexible printed circuit board substrate and various high-temperature resistant motor and electrical insulation materials.

[0003] According to a Chinese patent with the announcement number "CN221465097U", a polyimide film strength detection device is disclosed, which relates to the field of film production technology. The utility model includes a fixed plate, a bottom plate and a support plate. The fixed plate slides on the top of the bottom plate, and two fixed blocks are evenly arranged on the top of the fixed plate, and the tops of the two fixed blocks are provided with mounting grooves, and permanent magnets are arranged inside the two mounting grooves. One fixed block is fixedly connected to the fixed plate, and the other fixed block slides on the top of the fixed plate. A hydraulic rod is fixedly connected to one side of the other fixed block, and a hydraulic cylinder is fixedly connected to the top of the fixed plate, and the hydraulic rod slides inside the hydraulic cylinder. The utility model adjusts the height of the fixed plate by arranging a slidable bottom plate along the bottom end of the fixed plate, and supports the middle position of the polyimide film by arranging two fixed blocks with mounting grooves on the tops, and arranging a support plate, so that the polyimide film strength detection device is convenient for fixing the polyimide film and reducing the degree of work fatigue.

[0004] When the above patent is used, it can only detect the strength of the polyimide film, but cannot detect other indicators of the polyimide film, and the detection effect is single. Therefore, a detection device for producing polyimide film is proposed to solve the above problems. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a detection device for producing polyimide film in view of the deficiencies in the above-mentioned prior art.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a detection device for producing polyimide film, comprising a body, wherein a high temperature resistant detection mechanism is arranged inside the body, and the high temperature resistant detection mechanism comprises a fixed tank body, a first electric push rod, a triangular block, a first guide rail, a first linear motor, an aluminum plate, a first slide groove, a first slide block, and an igniter;

[0007] The fixed slot is fixedly connected to the machine body, the first electric push rod is fixedly connected to the machine body, and the first electric push rod is located on the left side of the fixed slot, the triangular block is fixedly connected to the movable end of the first electric push rod through the connecting plate, and the triangular block is located directly above the fixed slot;

[0008] The first guide rail is arranged on the inner wall of the machine body, the first linear motor is arranged on the first guide rail, the back side of the aluminum plate is rotatably connected to the first linear motor via a rotating shaft, the first slide groove is opened on the inner wall of the machine body, the first slider is slidably connected to the inner wall of the first slide groove, and the first slider is rotatably connected to the back side of the aluminum plate via a rotating shaft, and the igniter is arranged below the aluminum plate.

[0009] Preferably, the inner wall of the body is rotatably connected to a first rotating rod via a bearing, the outer wall of the first rotating rod is fixedly sleeved with a first reel, a slot is provided on the first reel, and a block is slidably connected to the inner wall of the slot.

[0010] Preferably, a worm gear is fixedly sleeved on the outer wall of the first rotating rod, a driving motor is fixedly installed on the inner wall of the body, a worm is fixedly connected to the output end of the driving motor, and the worm is meshingly connected to the worm gear.

[0011] Preferably, a transparency detection mechanism is provided inside the machine body, and the transparency detection mechanism includes a fixed plate, a track groove, a second guide rail, a second linear motor, a moving frame, a moving block, and an illumination sensor. The fixed plate is fixedly connected to the inner wall of the machine body, the track groove is opened at the top of the fixed plate, the second guide rail is arranged on the top of the fixed plate, the second linear motor is arranged on the second guide rail, the moving frame is fixedly connected to the top of the second linear motor, the moving block is slidably connected to the inner wall of the track groove and the moving frame, respectively, and the top of the moving block is fixedly connected to the bottom of the igniter, and the illumination sensor is arranged directly above the igniter.

[0012] Preferably, the inner wall of the body is rotatably connected to a guide rod, the inner wall of the body is rotatably connected to a second reel, a connecting rope is wound around the outer wall of the second reel, both ends of the connecting rope are respectively fixedly connected to the moving frame and the second reel, a moving plate is fixedly connected to the connecting rope, and the illumination sensor is fixedly installed at the bottom of the moving plate.

[0013] Preferably, a second slide groove is provided on the inner wall of the machine body, and second sliders are fixedly connected to the front and rear sides of the movable plate, and the second sliders are slidably connected to the inner wall of the second slide groove.

[0014] Preferably, a water tank is provided on the top of the movable plate, water pipes are provided on both sides of the water tank, and solenoid valves are provided on the water pipes.

[0015] Preferably, a torsion spring is provided on the second reel, and two ends of the torsion spring are fixedly connected to the second reel and the inner wall of the body respectively.

[0016] Preferably, a strength detection mechanism is provided on the movable plate, and the strength detection mechanism includes a mounting block, a second electric push rod, a connecting block, a second rotating rod, and a pressure plate. The mounting block is fixedly connected to both sides of the movable plate, the second electric push rod is fixedly installed on the top of the mounting block, and the movable end of the second electric push rod movably passes through the top of the mounting block, the connecting block is fixedly connected to the bottom of the movable end of the second electric push rod, the second rotating rod passes through the connecting block through a bearing and is rotatably connected to the connecting block, and the pressure plate is fixedly sleeved on the second rotating rod.

[0017] Preferably, a gear is fixedly sleeved on the outer wall of the second rotating rod, a third electric push rod is fixedly mounted on the connecting block, a rack is fixedly connected to the movable end of the third electric push rod, and the rack is meshingly connected to the gear.

[0018] The present invention adopts the above technical solution to bring the following beneficial effects:

[0019] 1. A detection device for producing polyimide film can fix both sides of the polyimide film by setting a fixed groove body, a first electric push rod, a triangular block, a first rotating rod, a first reel, a card slot and a card block to improve the stability during detection. By setting an igniter, the aluminum plate can be heated, thereby heating the polyimide film, and the heat resistance of the polyimide film can be detected.

[0020] 2. This detection device for producing polyimide film can drive the aluminum plate to open to both sides by arranging a first linear motor, a first slide groove and a first slider, so that the flame of the igniter is in direct contact with the polyimide film, thereby facilitating the detection of the flame retardancy of the polyimide film. By arranging a water tank, a water pipe and an electromagnetic valve, the polyimide film can be extinguished when the flame retardancy of the polyimide film is unqualified and burns, thereby improving the safety during detection.

[0021] 3. The detection device for producing polyimide film can drive the first reel to reel up the polyimide film by setting a driving motor, a worm and a worm gear, thereby straightening the polyimide film and performing preliminary tensile strength detection on the polyimide film.

[0022] 4. This detection device for producing polyimide film can drive the igniter to move along the track groove by setting a track groove, a second guide rail, a second linear motor, a moving frame and a moving block, and can drive the illumination sensor and the igniter to move synchronously by setting a guide rod, a second reel, a connecting rope and a moving plate, so that the transparency of the polyimide film can be detected by the igniter and the illumination sensor.

[0023] 5. This detection device for producing polyimide film can drive the pressure plate to flip by setting a third electric push rod, gear and rack, so as to facilitate the storage of the pressure plate. By setting a second electric push rod and connecting block, the pressure plate can be driven to descend, so as to further detect the tensile strength of the polyimide film. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 It is a first front cross-sectional schematic diagram of the present invention;

[0026] Figure 3 It is a second front cross-sectional schematic diagram of the present invention;

[0027] Figure 4 It is a schematic cross-sectional view of the bottom of the present invention;

[0028] Figure 5 It is a schematic diagram of the first internal structure of the present invention;

[0029] Figure 6 It is a schematic diagram of the second internal structure of the present invention;

[0030] Figure 7 This is a schematic diagram of the top of the fixing plate of the present invention;

[0031] Figure 8 This is an enlarged schematic diagram of point A of the present invention;

[0032] Fig. 9 This is an enlarged schematic diagram of point B of the present invention;

[0033] Fig.10 It is an enlarged schematic diagram of point C of the present invention.

[0034] In the figure: 1, body; 2, high temperature resistance detection mechanism; 21, fixed slot; 22, first electric push rod; 23, triangular block; 24, first guide rail; 25, first linear motor; 26, aluminum plate; 27, first slide slot; 28, first slider; 29, igniter; 210, first rotating rod; 211, first reel; 212, slot; 213, block; 214, worm gear; 215, drive motor; 216, worm; 3, transparency detection mechanism; 31, Fixed plate; 32, track groove; 33, second guide rail; 34, second linear motor; 35, moving frame; 36, moving block; 37, guide rod; 38, second reel; 39, connecting rope; 310, moving plate; 311, illumination sensor; 312, water tank; 4, strength detection mechanism; 41, mounting block; 42, second electric push rod; 43, connecting block; 44, second rotating rod; 45, pressure plate; 46, gear; 47, third electric push rod; 48, rack. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0039] See also Figure 1-10 One embodiment of the present invention is: a detection device for producing polyimide film, comprising a body 1, a high temperature resistant detection mechanism 2 is arranged inside the body 1, and the high temperature resistant detection mechanism 2 comprises a fixed groove 21, a first electric push rod 22, a triangular block 23, a first guide rail 24, a first linear motor 25, an aluminum plate 26, a first slide groove 27, a first slider 28, and an igniter 29;

[0040] The fixed slot body 21 is fixedly connected to the machine body 1, the first electric push rod 22 is fixedly connected to the machine body 1, and the first electric push rod 22 is located on the left side of the fixed slot body 21, and the triangular block 23 is fixedly connected to the movable end of the first electric push rod 22 through a connecting plate, and the triangular block 23 is located directly above the fixed slot body 21;

[0041] The first guide rail 24 is arranged on the inner wall of the body 1, the first linear motor 25 is arranged on the first guide rail 24, the back side of the aluminum plate 26 is rotatably connected to the first linear motor 25 through a rotating shaft, the first slide groove 27 is opened on the inner wall of the body 1, the first slider 28 is slidably connected to the inner wall of the first slide groove 27, and the first slider 28 is rotatably connected to the back side of the aluminum plate 26 through a rotating shaft, and the igniter 29 is arranged below the aluminum plate 26.

[0042] Preferably, the inner wall of the body 1 is rotatably connected to the first rotating rod 210 via a bearing, the outer wall of the first rotating rod 210 is fixedly sleeved with a first reel 211, the first reel 211 is provided with a slot 212, and the inner wall of the slot 212 is slidably connected to a block 213.

[0043] Preferably, a worm gear 214 is fixedly sleeved on the outer wall of the first rotating rod 210 , a driving motor 215 is fixedly installed on the inner wall of the body 1 , a worm 216 is fixedly connected to the output end of the driving motor 215 , and the worm 216 is meshingly connected to the worm gear 214 .

[0044] Preferably, a transparency detection mechanism 3 is provided inside the body 1, and the transparency detection mechanism 3 includes a fixed plate 31, a track groove 32, a second guide rail 33, a second linear motor 34, a moving frame 35, a moving block 36, and an illumination sensor 311. The fixed plate 31 is fixedly connected to the inner wall of the body 1, the track groove 32 is opened at the top of the fixed plate 31, the second guide rail 33 is arranged on the top of the fixed plate 31, the second linear motor 34 is arranged on the second guide rail 33, the moving frame 35 is fixedly connected to the top of the second linear motor 34, the moving block 36 is slidably connected to the inner walls of the track groove 32 and the moving frame 35 respectively, and the top of the moving block 36 is fixedly connected to the bottom of the igniter 29, and the illumination sensor 311 is arranged directly above the igniter 29.

[0045] Preferably, the inner wall of the body 1 is rotatably connected to a guide rod 37, and the inner wall of the body 1 is rotatably connected to a second reel 38. A connecting rope 39 is wound around the outer wall of the second reel 38, and both ends of the connecting rope 39 are respectively fixedly connected to the moving frame 35 and the second reel 38. A moving plate 310 is fixedly connected to the connecting rope 39, and an illumination sensor 311 is fixedly installed at the bottom of the moving plate 310.

[0046] Preferably, a second sliding groove is formed on the inner wall of the machine body 1, and second sliding blocks are fixedly connected to the front and rear sides of the movable plate 310, and the second sliding blocks are slidably connected to the inner wall of the second sliding groove.

[0047] Preferably, a water tank 312 is disposed on the top of the movable plate 310 , and water pipes are disposed on both sides of the water tank 312 , and a solenoid valve is disposed on the water pipes.

[0048] Preferably, a torsion spring is provided on the second drum 38 , and two ends of the torsion spring are fixedly connected to the second drum 38 and the inner wall of the body 1 , respectively.

[0049] Working principle: Place one end of the polyimide film inside the fixed slot 21, start the first electric push rod 22 to drive the triangular block 23 to descend, the triangular block 23 descends to the inside of the fixed slot 21, fix one end of the polyimide film, then place the other end of the polyimide film in the card slot 212 on the first reel 211, then insert the card block 213 into the card slot 212, fix the other end of the polyimide film, start the drive motor 215 to drive the worm 216 to rotate, the worm 21 The first rotating rod 210 is driven to rotate by the worm gear 214, thereby driving the first reel 211 to rotate, and the polyimide film is rolled up, so that the first reel 211 is in a stretched state. At this time, the bottom of the polyimide film contacts the top of the aluminum plate 26, and the aluminum plate 26 is heated by starting the igniter 29, thereby heating the polyimide film and testing the high temperature resistance of the polyimide film. After the test is completed, the first linear motor 25 is started to drive one end of the aluminum plate 26 to move downward, and the aluminum plate 26 is moved downward in the first slide groove 2 7 and the first slider 28, the aluminum plate 26 is opened to both sides, at which time the igniter 29 contacts the polyimide film, and the flame retardancy of the polyimide film is tested by the igniter 29. When the flame retardancy of the polyimide film is unqualified and burns, the solenoid valve is opened to spray the clean water in the water tank 312 onto the polyimide film to extinguish the fire, thereby improving the safety of the test. At the same time, the flame generated by the igniter 29 illuminates the polyimide film, and the transparency of the polyimide film is detected by the illumination sensor 311. The degree is detected, and the second linear motor 34 is started to drive the moving frame 35 to move. When the moving frame 35 moves, the igniter 29 is driven to move along the track of the track groove 32 under the action of the track groove 32 and the moving block 36. At the same time, the moving frame 35 moves to the left, which will drive the moving plate 310 to move to the left synchronously through the guide rod 37 and the connecting rope 39. The moving frame 35 moves to the right, which will drive the moving plate 310 to move to the right synchronously under the action of the torsion spring and the second reel 38, thereby improving the detection accuracy of the illumination sensor 311.

[0050] See also Figure 1-10On the basis of the above embodiment, in another embodiment of the present invention, preferably, a strength detection mechanism 4 is provided on the movable plate 310, and the strength detection mechanism 4 includes a mounting block 41, a second electric push rod 42, a connecting block 43, a second rotating rod 44, and a pressing plate 45. The mounting block 41 is fixedly connected to both sides of the movable plate 310, the second electric push rod 42 is fixedly installed on the top of the mounting block 41, and the movable end of the second electric push rod 42 movably penetrates the top of the mounting block 41, the connecting block 43 is fixedly connected to the bottom of the movable end of the second electric push rod 42, the second rotating rod 44 penetrates the connecting block 43 through a bearing and is rotatably connected to the connecting block 43, and the pressing plate 45 is fixedly sleeved on the second rotating rod 44.

[0051] Preferably, a gear 46 is fixedly sleeved on the outer wall of the second rotating rod 44 , a third electric push rod 47 is fixedly mounted on the connecting block 43 , a rack 48 is fixedly connected to the movable end of the third electric push rod 47 , and the rack 48 is meshedly connected to the gear 46 .

[0052] Working principle: When the strength of the polyimide film needs to be tested, the aluminum plate 26 is in the open state, and the rack 48 is driven to move by starting the third electric push rod 47. The movement of the rack 48 will drive the second rotating rod 44 to rotate through the gear 46. The rotation of the second rotating rod 44 will drive the pressure plate 45 to rotate, so that the pressure plate 45 is in a vertical state. Then the second electric push rod 42 is started to drive the connecting block 43 to move downward, thereby driving the pressure plate 45 to move downward, and the tensile strength of the polyimide film in the stretched state is tested.

[0053] The present invention provides a detection device for producing polyimide film. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be considered as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A detection device for producing polyimide film, comprising a body (1), characterized in that: A high temperature resistance detection mechanism (2) is arranged inside the machine body (1), and the high temperature resistance detection mechanism (2) comprises a fixed slot body (21), a first electric push rod (22), a triangular block (23), a first guide rail (24), a first linear motor (25), an aluminum plate (26), a first slide groove (27), a first slide block (28), and an igniter (29); The fixed slot body (21) is fixedly connected to the machine body (1), the first electric push rod (22) is fixedly connected to the machine body (1), and the first electric push rod (22) is located on the left side of the fixed slot body (21), and the triangular block (23) is fixedly connected to the movable end of the first electric push rod (22) via a connecting plate, and the triangular block (23) is located directly above the fixed slot body (21); The first guide rail (24) is arranged on the inner wall of the machine body (1), the first linear motor (25) is arranged on the first guide rail (24), the back side of the aluminum plate (26) is rotatably connected to the first linear motor (25) via a rotating shaft, the first slide groove (27) is opened on the inner wall of the machine body (1), the first slider (28) is slidably connected to the inner wall of the first slide groove (27), and the first slider (28) is rotatably connected to the back side of the aluminum plate (26) via a rotating shaft, and the igniter (29) is arranged below the aluminum plate (26); A transparency detection mechanism (3) is arranged inside the machine body (1), and the transparency detection mechanism (3) comprises a fixed plate (31), a track groove (32), a second guide rail (33), a second linear motor (34), a moving frame (35), a moving block (36), and an illumination sensor (311). The fixed plate (31) is fixedly connected to the inner wall of the machine body (1), the track groove (32) is opened at the top of the fixed plate (31), the second guide rail (33) is arranged at the top of the fixed plate (31), the second linear motor (34) is arranged on the second guide rail (33), the moving frame (35) is fixedly connected to the top of the second linear motor (34), and the moving block (36) is respectively connected to the fixing plate (31) and the fixing plate (31) and the second guide rail (33). The track groove (32) and the inner wall of the moving frame (35) are slidably connected, and the top of the moving block (36) is fixedly connected to the bottom of the igniter (29). The illumination sensor (311) is arranged directly above the igniter (29). The inner wall of the machine body (1) is rotatably connected to a guide rod (37). The inner wall of the machine body (1) is rotatably connected to a second reel (38). A connecting rope (39) is wound around the outer wall of the second reel (38). Two ends of the connecting rope (39) are respectively fixedly connected to the moving frame (35) and the second reel (38). A moving plate (310) is fixedly connected to the connecting rope (39). The illumination sensor (311) is fixedly mounted on the bottom of the moving plate (310).

2. A detection device for producing polyimide film according to claim 1, characterized in that: The inner wall of the machine body (1) is rotatably connected to a first rotating rod (210) via a bearing, the outer wall of the first rotating rod (210) is fixedly sleeved with a first reel (211), a clamping groove (212) is provided on the first reel (211), and a clamping block (213) is slidably connected to the inner wall of the clamping groove (212).

3. A detection device for producing polyimide film according to claim 2, characterized in that: The outer wall of the first rotating rod (210) is fixedly sleeved with a worm gear (214), the inner wall of the machine body (1) is fixedly mounted with a driving motor (215), the output end of the driving motor (215) is fixedly connected with a worm gear (216), and the worm gear (216) is meshingly connected with the worm gear (214).

4. A detection device for producing polyimide film according to claim 3, characterized in that: The inner wall of the machine body (1) is provided with a second sliding groove, and the front and rear sides of the movable plate (310) are fixedly connected with second sliding blocks, and the second sliding blocks are slidably connected to the inner wall of the second sliding groove.

5. A detection device for producing polyimide film according to claim 4, characterized in that: A water tank (312) is provided on the top of the movable plate (310), and water pipes are provided on both sides of the water tank (312) in communication with each other, and a solenoid valve is provided on the water pipes.

6. A detection device for producing polyimide film according to claim 5, characterized in that: The second reel (38) is provided with a torsion spring, and two ends of the torsion spring are respectively fixedly connected to the second reel (38) and the inner wall of the machine body (1).

7. A detection device for producing polyimide film according to claim 6, characterized in that: The movable plate (310) is provided with a strength detection mechanism (4), the strength detection mechanism (4) comprising a mounting block (41), a second electric push rod (42), a connecting block (43), a second rotating rod (44), and a pressing plate (45); the mounting block (41) is fixedly connected to both sides of the movable plate (310); the second electric push rod (42) is fixedly mounted on the top of the mounting block (41), and the movable end of the second electric push rod (42) movably penetrates the top of the mounting block (41); the connecting block (43) is fixedly connected to the bottom of the movable end of the second electric push rod (42); the second rotating rod (44) penetrates the connecting block (43) through a bearing and is rotatably connected to the connecting block (43); and the pressing plate (45) is fixedly sleeved on the second rotating rod (44).

8. The detection device for producing polyimide film according to claim 7, characterized in that: The outer wall of the second rotating rod (44) is fixedly sleeved with a gear (46), the connecting block (43) is fixedly mounted with a third electric push rod (47), the movable end of the third electric push rod (47) is fixedly connected with a rack (48), and the rack (48) is meshingly connected with the gear (46).

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