Hot press molding device

Abstract

The utility model discloses a hot press forming device which comprises first supports, second supports, a winding table and a pressing mechanism, the first supports are installed on the winding table, a plurality of second supports and the first supports are installed on the side face of the winding table, and an unwinding roller, a tensioning roller and a winding roller are sequentially and rotatably installed among the first supports. Second heating rollers and pressing mechanisms are arranged among the second supports, and first heating rollers are rotatably installed in the pressing mechanisms. According to the scheme, the pressing mechanism pushes the pressing plate to extrude the second connecting piece through the spring, so that the first heating roller is extruded on the surface of the second heating roller, hot pressing is completed, meanwhile, the first heating roller and the second heating roller can be separated only by lifting the second connecting piece with force, and feeding is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of composite film production and manufacturing, in particular to a hot pressing molding device. Background Art

[0002] A continuous production process of a polytetrafluoroethylene electromechanical energy conversion functional membrane includes two parts: a thermal bonding step of a microporous structure composite membrane and a charging step of the composite membrane. The thermal bonding step of the microporous structure composite membrane is as follows: at least two layers of dense polytetrafluoroethylene films are provided, and a layer of porous polytetrafluoroethylene film is sandwiched between each adjacent two layers of polytetrafluoroethylene films. The layers are alternately stacked and then introduced between upper and lower hot pressing rollers for hot pressing bonding to form a composite membrane.

[0003] After searching, the Chinese patent application number 202021812413.7 discloses a hot pressing device for producing high-transparency hot-melt composite films, including a bottom plate, the bottom of the bottom plate is fixedly connected to multiple pairs of mounting blocks, and multiple pairs of mounting blocks are rotatably connected to moving wheels, a pair of first support plates are fixed on the top of one side of the bottom plate, and a pair of unwinding rollers are rotatably connected between the first support plates, a pair of second support plates are provided on one side of the first support plate, the second support plate is fixedly connected to the bottom plate, and two extrusion rollers are rotatably connected between the pair of second support plates, and a pair of third support plates are provided on the side of the second support plate away from the first support plate, and the third support plate is fixedly connected to the bottom plate, and a pair of hot pressing rollers are rotatably connected to the third support plates. A hot pressing device for producing high-transparency hot-melt composite films in the above-mentioned document has the following shortcomings: when a new round of work is carried out, the fixedly installed extrusion rollers make it difficult to guide the composite film for feeding. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a hot pressing forming device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A hot pressing forming device comprises a first bracket, a second bracket, a winding platform and a clamping mechanism, wherein the first bracket is installed on the winding platform, and a plurality of second brackets and the first bracket are installed on the side of the winding platform, and a unwinding roller, a tensioning roller and a winding roller are rotatably installed between the plurality of first brackets in sequence, and a motor is fixed on the first bracket above the winding platform, an output shaft of the motor is connected to the rotating shaft of the winding roller, a second heating roller is arranged between the plurality of second brackets, and an arc guide rail is opened on the side of the second bracket, and the clamping mechanism comprises a second connecting member, a round rod is installed between the second brackets, and the protruding parts on both sides of the second connecting member are embedded in the arc guide rail, and the second connecting member is rotatably installed on the round rod through the first connecting member, a spring is installed on the upper end of the second bracket, and a pressing plate is installed on the lower end of the spring, the pressing plate and the parts protruding on both sides of the second connecting member from the arc guide rail are connected, and the first heating roller is rotatably installed in the second connecting member.

[0007] As a further solution of the utility model: the spring is a detachable structure.

[0008] As a further solution of the utility model: a guide groove is opened on the side of the second bracket, and the pressure plate is embedded in the guide groove.

[0009] As a further solution of the utility model: a first preheating roller and a second preheating roller are installed in front of the second heating roller through a plurality of the second brackets and a clamping mechanism.

[0010] As a further solution of the present invention: baffles are installed on both sides of the surfaces of the second heating roller and the second preheating roller.

[0011] As a further solution of the utility model: the first heating roller, the second heating roller, the first preheating roller and the second preheating roller all include an outer roller, a heater is installed in the outer roller, a power supply is fixed to the side of the second bracket, and several of the heaters are electrically connected to the power supply.

[0012] As a further solution of the utility model: the outer rollers of the first preheating roller and the second preheating roller are solid structures, and the outer tubes of the first heating roller and the second heating roller are evenly provided with a plurality of heat dissipation holes.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the scheme, the clamping mechanism pushes the pressing plate through the spring to squeeze the second connecting piece, thereby squeezing the first heating roller onto the surface of the second heating roller to complete the hot pressing. At the same time, the first heating roller and the second heating roller can be separated by lifting the second connecting piece with force to facilitate loading.

[0015] 2. Through the scheme, the spring can be changed according to the size of the composite membrane, thereby changing the downward force, making the device suitable for more types of composite membranes.

[0016] 3. Through the above solution, the pressing plate can keep moving downward horizontally when squeezing the second connecting member, thereby ensuring the stability of the device.

[0017] 4. By setting the first preheating roller and the second preheating roller, the composite film is preheated and smoothed before hot pressing, and the air between two adjacent layers of film is discharged to improve the molding quality.

[0018] 5. By setting the baffle, it is ensured that the composite film will not be skewed and fall off the device when the composite film is transmitted.

[0019] 6. Through the scheme, the power supply is heated through the heater to achieve the purpose of preheating and hot pressing.

[0020] 7. Through the above solution, the solid outer roller reduces the heating efficiency, thereby achieving the purpose of preheating, and the evenly arranged heat dissipation holes enable the heating roller to provide sufficient heat to ensure the effect of hot pressing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural schematic diagram of a hot pressing forming device proposed by the utility model;

[0022] Figure 2 This is a front cross-sectional view of a hot pressing forming device proposed by the utility model;

[0023] Figure 3 The utility model proposed Figure 2 The structural diagram at A in the middle;

[0024] Figure 4 The utility model proposed Figure 2 Schematic diagram of the structure at B in the figure.

[0025] In the figure: 1-winding table, 2-first bracket, 3-motor, 4-power supply, 5-second bracket, 6-unwinding roller, 7-tensioning roller, 8-first preheating roller, 9-second preheating roller, 10-first heating roller, 11-second heating roller, 12-winding roller, 13-round rod, 14-first connecting piece, 15-second connecting piece, 16-pressing plate, 17-spring, 18-guide groove, 19-arc guide rail, 20-outer roller, 21-heater, 22-blocking bar, 23-heating hole. DETAILED DESCRIPTION

[0026] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] Example 1

[0029] A hot pressing forming device, such as Figure 1-4 As shown, it includes a first bracket 2, a second bracket 5, a winding platform 1 and a clamping mechanism. In order to solve the problem of inconvenient material loading, the first bracket 2 is installed on the winding platform 1, and a plurality of second brackets 5 and the first bracket 2 are installed on the side of the winding platform 1. A reel 6, a tensioning roller 7 and a winding roller 12 are rotatably installed between the plurality of first brackets 2 in sequence. A motor 3 is fixed on the first bracket 2 above the winding platform 1, and the output shaft of the motor 3 is connected to the rotating shaft of the winding roller 12. A second heating roller 11 is arranged between the plurality of second brackets 5, and the second bracket 5 has a side opening There is an arc guide rail 19, the clamping mechanism includes a second connecting member 15, a round rod 13 is installed between the second bracket 5, the protruding parts on both sides of the second connecting member 15 are embedded in the arc guide rail 19, the second connecting member 15 is rotatably installed on the round rod 13 through the first connecting member 14, a spring 17 is installed on the upper end of the second bracket 5, and a pressing plate 16 is installed on the lower end of the spring 17, the pressing plate 16 and the parts on both sides of the second connecting member 15 protruding from the arc guide rail 19 are connected, and the first heating roller 10 is rotatably installed in the second connecting member 15.

[0030] Through the scheme, the clamping mechanism pushes the pressing plate through the spring to squeeze the second connecting piece, thereby squeezing the first heating roller onto the surface of the second heating roller to complete the hot pressing. At the same time, the first heating roller and the second heating roller can be separated by only lifting the second connecting piece with force to facilitate loading.

[0031] The device is further configured such that the spring 17 is a detachable structure.

[0032] Through the scheme, the spring can be changed according to the size of the composite membrane, thereby changing the downward force, making the device suitable for more types of composite membranes.

[0033] The device is further configured such that a guide groove 18 is provided on a side surface of the second bracket 5 , and the pressing plate 16 is embedded in the guide groove 18 .

[0034] Through the solution, the pressing plate can keep moving downward horizontally when pressing the second connecting member, thereby ensuring the stability of the device.

[0035] The device is further configured such that a first preheating roller 8 and a second preheating roller 9 are installed in front of the second heating roller 11 via a plurality of second brackets 5 and a clamping mechanism.

[0036] By arranging the first preheating roller and the second preheating roller, the composite film is preheated and smoothed before hot pressing, and the air between two adjacent layers of the film is discharged, thereby improving the molding quality.

[0037] The device is further configured such that baffle bars 22 are installed on both sides of the surfaces of the second heating roller 11 and the second preheating roller 9 .

[0038] By setting the baffle, it is ensured that the composite film will not be skewed and fall off the device when the composite film is transported.

[0039] The device is further configured such that the first heating roller 10, the second heating roller 11, the first preheating roller 8 and the second preheating roller 9 all include an outer roller 20, a heater 21 is installed in the outer roller 20, a power source 4 is fixed to the side of the second bracket 5, and a plurality of the heaters 21 are electrically connected to the power source 4.

[0040] Through the scheme, the power supply is heated by the heater to achieve the purpose of preheating and hot pressing.

[0041] The device is further configured such that the outer rollers 20 of the first preheating roller 8 and the second preheating roller 9 are solid structures, and the outer tubes of the first heating roller 10 and the second heating roller 11 are evenly provided with a plurality of heat dissipation holes 23 .

[0042] Through the solution, the solid outer roller reduces the heating efficiency, thereby achieving the purpose of preheating, and the evenly arranged heat dissipation holes enable the heating roller to provide sufficient heat to ensure the effect of hot pressing.

[0043] Working principle: The films required for generating the composite film are respectively wound around the unwinding rollers 6, which are arranged in sequence and firstly pass through the preheating and flattening of the first preheating roller 8 and the second preheating roller 9 to discharge the air between the two adjacent layers of the film, and then are hot-pressed and formed by the first heating roller 10 and the second heating roller 11, and finally are wound by the winding roller 12. When the material needs to be guided for feeding during material change, it is only necessary to lift the second connecting member 15 with force, pass the composite film through between the first preheating roller 8 and the second preheating roller 9 and between the first heating roller 10 and the second heating roller 11, and put down the second connecting member 15. The spring 17 will press the second connecting member 15 downward by squeezing the pressing plate 16 to press the first preheating roller 8 and the first heating roller 10 against the surfaces of the second preheating roller 9 and the second heating roller 11 respectively.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hot pressing forming device, comprising a first bracket (2), a second bracket (5), a winding table (1) and a pressing mechanism, It is characterized in that A first bracket (2) is installed on the winding platform (1), and a plurality of second brackets (5) and the first bracket (2) are installed on the side of the winding platform (1). A reeling roller (6), a tensioning roller (7) and a winding roller (12) are rotatably installed between the plurality of first brackets (2) in sequence. A motor (3) is fixed on the first bracket (2) above the winding platform (1), and the output shaft of the motor (3) is connected to the rotating shaft of the winding roller (12). A second heating roller (11) is arranged between the plurality of second brackets (5). An arc-shaped guide rail (19) is provided on the side of the second bracket (5). The clamping mechanism includes a second connecting A connecting member (15) is provided, and a round rod (13) is installed between the second bracket (5), the protruding parts on both sides of the second connecting member (15) are embedded in the arc guide rail (19), the second connecting member (15) is rotatably installed on the round rod (13) through the first connecting member (14), a spring (17) is installed at the upper end of the second bracket (5), and a pressure plate (16) is installed at the lower end of the spring (17), the pressure plate (16) and the parts on both sides of the second connecting member (15) protruding from the arc guide rail (19) are connected, and a first heating roller (10) is rotatably installed in the second connecting member (15).

2. A hot pressing forming device according to claim 1, It is characterized in that The spring (17) is a detachable structure.

3. A hot pressing forming device according to claim 2, It is characterized in that A guide groove (18) is provided on the side surface of the second bracket (5), and the pressing plate (16) is embedded in the guide groove (18).

4. A hot pressing forming device according to claim 3, It is characterized in that A first preheating roller (8) and a second preheating roller (9) are installed in front of the second heating roller (11) via a plurality of second brackets (5) and a clamping mechanism.

5. A hot pressing forming device according to claim 4, It is characterized in that Baffle bars (22) are installed on both sides of the surface of the second heating roller (11) and the second preheating roller (9).

6. A hot pressing forming device according to claim 5, It is characterized in that The first heating roller (10), the second heating roller (11), the first preheating roller (8) and the second preheating roller (9) all comprise an outer roller (20), a heater (21) being installed inside the outer roller (20), a power source (4) being fixed on the side of the second bracket (5), and a plurality of the heaters (21) being electrically connected to the power source (4).

7. A hot pressing forming device according to claim 6, It is characterized in that The outer rollers (20) of the first preheating roller (8) and the second preheating roller (9) are solid structures, and the outer tubes of the first heating roller (10) and the second heating roller (11) are evenly provided with a plurality of heat dissipation holes (23).

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