Uniformly-heated breathable film heating stretcher

Abstract

The utility model discloses a uniformly heated breathable film heating stretcher, which relates to the related field of breathable films, and comprises a heating stretching box, a first motor, a second motor, a heating mechanism, a stretching mechanism, a placing roller, a breathable film, a first conveying roller, a second conveying roller, a telescopic roller and a wind-up roller, a second motor is fixedly connected to the upper right portion of the front end of the heating stretching box, a heating mechanism is fixedly connected to the left end in the heating stretching box, the heating mechanism is arranged, the heat dissipation performance is effectively adjusted by adjusting the rotating speed of a rotating fan, heat distribution is more uniform, and therefore the purpose of uniform heating is achieved; the air permeability and the tensile strength of the breathable film are prevented from being influenced by premature cooling of partial area of the breathable film during stretching due to uneven heating, and meanwhile, the situation that the user experience is influenced by uneven ventilation of the breathable film in the use process due to performance difference of different parts of the breathable film is prevented.

Description

Technical Field

[0001] The utility model relates to the field of breathable films, in particular to a breathable film heating and stretching machine with uniform heating. Background Art

[0002] Breathable film heating and stretching machine is a kind of equipment specially used for heating and stretching breathable film materials. It is usually used in the production process of plastic film. This machine can accurately process the breathable film to ensure its dimensional stability during the stretching process, as well as uniform thickness and width.

[0003] During use, it is difficult for the existing heated stretching machine to achieve uniform heating of the breathable membrane, which may cause some areas of the breathable membrane to cool prematurely during stretching, thereby affecting its breathability and tensile strength. It may also cause performance differences in different parts of the breathable membrane, causing uneven breathability of the breathable membrane during use, affecting user experience. When using a heated stretching machine to stretch the breathable membrane in the prior art, it is difficult to adjust the stretching descent speed, which may cause breakage and holes in the breathable membrane. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a breathable film heating stretching machine with uniform heating.

[0005] The utility model is implemented in this way: a uniformly heated breathable film heating stretching machine is constructed, the device comprises a heating stretching box, a first motor is fixedly connected to the lower left front end of the heating stretching box, a second motor is fixedly connected to the upper right front end of the heating stretching box, a heating mechanism is fixedly connected to the left end of the heating stretching box, a stretching mechanism is fixedly connected to the top of the heating stretching box, a placement roller is plugged in the lower left of the heating stretching box, a breathable film is wound around the outer wall of the placement roller, a first conveying roller is rotatably connected to the lower part of the heating stretching box, and the first conveying roller is arranged on the right side of the placement roller, a second conveying roller is rotatably connected to the upper center of the heating stretching box, a telescopic roller is fixedly connected to the bottom of the stretching mechanism, and the telescopic roller is slidably connected to the inner wall of the heating stretching box, and a winding roller is plugged in the upper right end of the heating stretching box;

[0006] The heating mechanism includes a first installation box, which is fixedly connected to the left end of the heating and stretching box; a distribution plate, which is fixedly connected to the right end of the first installation box; a heating rod, which is fixedly connected to two groups of heating rods on the right side of the first installation box; a fixed plate, which is fixedly connected to the center of the first installation box; a third motor, which is fixedly connected to the upper left of the first installation box; a first gear, which is fixedly connected to the first gear on the right end of the output shaft of the third motor; a second gear, which is fixedly connected to the second gear on the right end of the first gear; a gear set, which is meshed with a gear set at the bottom of the second gear; a rotating fan, which is fixedly connected to the rotating fan on the gear rod at the right end of the gear set; a sliding rod, which is fixedly connected to the sliding rod on the left end of the gear rod of the gear set.

[0007] Preferably, the heating mechanism also includes an electromagnetic spring, to which the left end of the sliding rod is fixedly connected; a mounting rod, to which the left end of the electromagnetic spring is fixedly connected to the left end inside the mounting rod; and an electromagnetic block, to which the electromagnetic block is fixedly connected at the connection between the mounting rod and the sliding rod.

[0008] Preferably, the stretching mechanism includes a second installation box, which is fixedly connected to the top of the heating stretching box; a connecting plate, which is fixedly connected to the right end of the second installation box; a fixed block, which is fixedly connected to the upper left end of the connecting plate; a fourth motor, which is fixedly connected to the back of the fixed block; a turntable, which is fixedly connected to the output shaft at the front end of the fourth motor; a connecting block, which is fixedly connected to the left end of the turntable; a rotating rod, which is rotatably connected to the rotating rod at the left side of the front end of the connecting block; and a sliding ring, which is rotatably connected to the sliding ring at the lower back of the rotating rod.

[0009] Preferably, the stretching mechanism further comprises a moving rod, to which the bottom of the sliding ring is fixedly connected; a limiting ring, to which the outer wall of the sliding ring is slidably connected with the inner wall of the limiting ring; and a frequency converter, to which the left front end of the connecting plate is fixedly connected.

[0010] Preferably, the back output shaft of the first motor is fixedly connected with a placing roller, and the back output shaft of the second motor is fixedly connected with a winding roller.

[0011] Preferably, the electromagnetic block is magnetically adsorbed to the sliding rod, and the electromagnetic spring and the electromagnetic block are both electrically connected to an external current output device.

[0012] Preferably, the gear rod at the right end of the second gear is rotatably connected to the left end of the fixed plate, and the gear set consists of two sets of gears connected left and right, and the top of the left end gear is meshed with the bottom of the first gear.

[0013] Preferably, the back of the turntable is rotatably connected to the front end of the fixed block, and the fourth motor is electrically connected to the frequency converter.

[0014] Preferably, a telescopic roller is fixedly connected to the bottom of the moving rod, and the right end of the limiting ring is fixedly connected to the left end of the connecting plate.

[0015] The utility model has the following advantages: The utility model provides a uniformly heated breathable film heating stretching machine through improvement, which has the following improvements compared with the same type of equipment:

[0016] The utility model discloses a breathable film heating stretching machine with uniform heating. By arranging a heating mechanism and adjusting the rotation speed of a rotating fan, the heat dissipation performance is effectively adjusted to make the heat distribution more uniform, thereby achieving the purpose of uniform heating, preventing uneven heating from causing premature cooling of some areas of the breathable film during stretching, thereby affecting its breathability and tensile strength, and preventing performance differences in different parts of the breathable film, thereby causing uneven ventilation of the breathable film during use and affecting user experience.

[0017] The utility model discloses a breathable film heating stretching machine with uniform heating. By setting a stretching mechanism, the speed of the fourth motor is controlled by a frequency converter, and the telescopic roller is driven downward by a moving rod to stretch the breathable film. The stretching descending speed is adjusted to prevent the breathable film from breaking or having holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the heating stretching box of the utility model;

[0019] Figure 2 This is a schematic structural diagram of the heating stretching box of the utility model from the front;

[0020] Figure 3 This utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0021] Figure 4 It is a schematic diagram of the three-dimensional decomposition structure of the stretching mechanism of the utility model.

[0022] Among them: heating and stretching box-1, first motor-2, second motor-3, heating mechanism-4, first installation box-41, distribution plate-42, heating rod-43, fixed plate-44, third motor-45, first gear-46, second gear-47, gear set-48, rotating fan-49, sliding rod-410, electromagnetic spring-411, installation rod-412, electromagnetic block-413, stretching mechanism-5, second installation box-51, connecting plate-52, fixed block-53, fourth motor-54, turntable-55, connecting block-56, rotating rod-57, sliding ring-58, moving rod-59, limiting ring-510, frequency converter-511, placement roller-6, breathable membrane-7, first conveying roller-8, second conveying roller-9, telescopic roller-10, winding roller-11. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1 to Figure 4 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] Embodiment 1:

[0027] See also Figure 1 to Figure 3 The utility model is a uniformly heated breathable film heating stretching machine, comprising a heating stretching box 1, a first motor 2 is fixedly connected to the lower left front end of the heating stretching box 1, a second motor 3 is fixedly connected to the upper right front end of the heating stretching box 1, a heating mechanism 4 is fixedly connected to the left end of the heating stretching box 1, a stretching mechanism 5 is fixedly connected to the top of the heating stretching box 1, a placement roller 6 is inserted in the lower left of the heating stretching box 1, and a breathable film 7 is wrapped around the outer wall of the placement roller 6, a first conveying roller 8 is rotatably connected to the lower part of the heating stretching box 1, and the first conveying roller 8 is arranged on the right side of the placement roller 6, a second conveying roller 9 is rotatably connected to the upper center of the heating stretching box 1, a telescopic roller 10 is fixedly connected to the bottom of the stretching mechanism 5, and the telescopic roller 10 is slidably connected to the inner wall of the heating stretching box 1, a winding roller 11 is inserted in the upper right end of the heating stretching box 1, the back output shaft of the first motor 2 is fixedly connected to the placement roller 6, and the back output shaft of the second motor 3 is fixedly connected to the winding roller 11;

[0028] The heating mechanism 4 includes a first installation box 41, the first installation box 41 is fixedly connected to the left end of the heating and stretching box 1, a distribution plate 42 is fixedly connected to the right end of the first installation box 41, and two groups of heating rods 43 are fixedly connected to the right side of the first installation box 41. The distribution plate 42 facilitates uniform distribution of hot air.

[0029] A fixing plate 44 is fixedly connected at the center of the first installation box 41, a third motor 45 is fixedly connected to the upper left of the first installation box 41, a first gear 46 is fixedly connected to the right end output shaft of the third motor 45, a second gear 47 is fixedly connected to the right end gear rod of the first gear 46, and the diameter ratio of the first gear 46 to the second gear 47 is 1:1.5.

[0030] A gear set 48 is meshed at the bottom of the second gear 47. A rotating fan 49 is fixedly connected to a gear rod at the right end of the gear set 48. A sliding rod 410 is fixedly connected to a gear rod at the left end of the gear set 48. The diameter ratio of the two sets of gears in the gear set 48 is 1:1.5.

[0031] The left end of the sliding rod 410 is fixedly connected to an electromagnetic spring 411, and the left end of the electromagnetic spring 411 is fixedly connected to the left end of the mounting rod 412. The connection between the mounting rod 412 and the sliding rod 410 is fixedly connected to an electromagnetic block 413, which is magnetically adsorbed to the sliding rod 410, and the electromagnetic block 413 facilitates fixing the moving position of the sliding rod 410.

[0032] The electromagnetic spring 411 and the electromagnetic block 413 are both electrically connected to the external current output device. The gear rod at the right end of the second gear 47 is rotatably connected to the left end of the fixed plate 44. The gear set 48 consists of two sets of gears connected left and right, and the top of the left end gear is meshed with the bottom of the first gear 46.

[0033] The working principle of a uniformly heated breathable film heating and stretching machine based on the first embodiment is:

[0034] First, when the breathable membrane 7 in the heating stretching box 1 needs to be heated, the third motor 45 and the two sets of heating rods 43 are started, so that the third motor 45 drives the first gear 46 to rotate, the first gear 46 drives the second gear 47 to rotate through the gear rod, the second gear 47 drives the right end gear of the gear set 48 to rotate, and the right end gear of the gear set 48 drives the rotating fan 49 to rotate through the gear rod, so that the rotating fan 49 blows the gas to the heating rod 43, the gas is heated by the heating rod 43, and then the gas is evenly distributed through the distribution plate 42, and then transported to the heating stretching box 1 to heat the breathable membrane 7;

[0035] Second, when the speed of the rotating fan 49 needs to be adjusted, the electromagnetic spring 411 is driven to work and the electromagnetic block 413 is stopped through the external current output device, so that the sliding rod 410 is affected by the magnetism of the electromagnetic spring 411 and moves to the left. The sliding rod 410 drives the gear set 48 to move to the left through the gear rod, so that the left end gear of the gear set 48 is meshed with the first gear 46. Then, the electromagnetic block 413 is driven to work through the external current output device, so that the sliding rod 410 moves to a fixed position, and then the gear set 48 moves to a fixed position, and then the third motor 45 is started, so that the third motor 45 is driven to move to the left. 5 drives the first gear 46 to rotate, the first gear 46 drives the left end gear of the gear set 48 to rotate, and the left end gear of the gear set 48 drives the rotating fan 49 to rotate through the gear rod, so as to adjust the rotation speed of the rotating fan 49, effectively adjust the heat dissipation performance, make the heat distribution more uniform, so as to achieve the purpose of uniform heating, prevent uneven heating from causing premature cooling of some areas of the breathable membrane 7 during stretching, affecting its breathability and tensile strength, and prevent performance differences in different parts of the breathable membrane 7, causing uneven ventilation of the breathable membrane 7 during use, affecting user experience.

[0036] Embodiment 2:

[0037] See also Figure 4 The utility model is a breathable membrane heating stretching machine with uniform heating. Compared with the first embodiment, this embodiment also includes: a stretching mechanism 5, the stretching mechanism 5 includes a second installation box 51, the top of the heating stretching box 1 is fixedly connected with the second installation box 51, the right end of the second installation box 51 is fixedly connected with a connecting plate 52, the upper left end of the connecting plate 52 is fixedly connected with a fixing block 53, and the second installation box 51 is convenient for installing and fixing the connecting plate 52.

[0038] A fourth motor 54 is fixedly connected to the back of the fixing block 53 , a rotating disk 55 is fixedly connected to the front output shaft of the fourth motor 54 , and a connecting block 56 is fixedly connected to the left end of the rotating disk 55 , so that the fourth motor 54 can drive the rotating disk 55 to rotate.

[0039] A rotating rod 57 is rotatably connected to the left side of the front end of the connecting block 56, and a sliding ring 58 is rotatably connected to the lower back of the rotating rod 57. A moving rod 59 is fixedly connected to the bottom of the sliding ring 58, and the sliding ring 58 is convenient for driving the moving rod 59 to move.

[0040] The outer wall of the sliding ring 58 is slidably connected to the inner wall of the limiting ring 510, the left front end of the connecting plate 52 is fixedly connected to the frequency converter 511, the back of the turntable 55 is rotatably connected to the front end of the fixed block 53, and the limiting ring 510 facilitates the limiting movement of the sliding ring 58.

[0041] The fourth motor 54 is electrically connected to the frequency converter 511 , the bottom of the moving rod 59 is fixedly connected to the telescopic roller 10 , and the right end of the limiting ring 510 is fixedly connected to the left end of the connecting plate 52 .

[0042] In this embodiment:

[0043] When the breathable membrane 7 needs to be stretched, the fourth motor 54 is started, the fourth motor 54 drives the turntable 55 to rotate, the turntable 55 drives the connecting block 56 to make a circular motion, the connecting block 56 drives the sliding ring 58 to move downward in the limiting ring 510 through the rotating rod 57 when making a circular motion, the sliding ring 58 drives the moving rod 59 to move downward, the moving rod 59 drives the telescopic roller 10 to move downward, the telescopic roller 10 drives the breathable membrane 7 to be stretched downward, so as to stretch the breathable membrane 7, when the stretching speed needs to be adjusted, the speed of the fourth motor 54 is controlled by the frequency converter 511, the fourth motor 54 is started again, the above steps are repeated, the stretching descending speed is adjusted, and the breathable membrane 7 is prevented from being broken or having holes.

[0044] The utility model provides a breathable film heating stretching machine with uniform heating through improvement. A heating mechanism 4 is provided. By adjusting the rotation speed of a rotating fan 49, the heat dissipation performance is effectively adjusted to make the heat distribution more uniform, thereby achieving the purpose of uniform heating, preventing uneven heating from causing premature cooling of a part of the breathable film 7 during stretching, thereby affecting its breathability and tensile strength, and preventing performance differences in different parts of the breathable film 7, thereby causing uneven ventilation of the breathable film 7 during use, thereby affecting user experience; a stretching mechanism 5 is provided. The rotation speed of a fourth motor 54 is controlled by a frequency converter 511, and the telescopic roller 10 is driven downward by a moving rod 59 to achieve stretching of the breathable film 7, and the stretching descending speed is adjusted to prevent the breathable film 7 from breaking or having holes.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0046] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A uniformly heated breathable film heating stretching machine, comprising a heating stretching box (1), a first motor (2) fixedly connected at the lower left of the front end of the heating stretching box (1), a second motor (3) fixedly connected at the upper right of the front end of the heating stretching box (1), a heating mechanism (4) fixedly connected at the left end of the heating stretching box (1), a stretching mechanism (5) fixedly connected at the top of the heating stretching box (1), a placement roller (6) inserted at the lower left of the heating stretching box (1), and a placing roller (6) fixedly connected at the upper right of the front end of the heating stretching box (1). The outer wall of the roller (6) is wrapped with a breathable film (7); a first conveying roller (8) is rotatably connected to the lower part of the heating and stretching box (1), and the first conveying roller (8) is arranged on the right side of the placement roller (6); a second conveying roller (9) is rotatably connected to the upper center of the heating and stretching box (1); a telescopic roller (10) is fixedly connected to the bottom of the stretching mechanism (5), and the telescopic roller (10) is slidably connected to the inner wall of the heating and stretching box (1); a winding roller (11) is inserted into the upper right end of the heating and stretching box (1); Features: The heating mechanism (4) comprises: a first installation box (41), the left end of which is fixedly connected to the first installation box (41); a distribution plate (42), the right end of which is fixedly connected to the first installation box (41); heating rods (43), two groups of heating rods (43) are fixedly connected to the right side of the first installation box (41); a fixing plate (44), the center of the first installation box (41) is fixedly connected to the fixing plate (44); a third motor (45), the upper left end of the first installation box (41) is fixedly connected to the third motor (45); Three motors (45); a first gear (46), the output shaft at the right end of the third motor (45) is fixedly connected to the first gear (46); a second gear (47), the gear rod at the right end of the first gear (46) is fixedly connected to the second gear (47); a gear set (48), the bottom of the second gear (47) is meshed with the gear set (48); a rotating fan (49), the gear rod at the right end of the gear set (48) is fixedly connected to the rotating fan (49); and a sliding rod (410), the gear rod at the left end of the gear set (48) is fixedly connected to the sliding rod (410).

2. The uniformly heated breathable film heating and stretching machine according to claim 1, characterized in that: The heating mechanism (4) further comprises: an electromagnetic spring (411), the left end of the sliding rod (410) being fixedly connected to the electromagnetic spring (411); a mounting rod (412), the left end of the electromagnetic spring (411) being fixedly connected to the inner left end of the mounting rod (412); and an electromagnetic block (413), the electromagnetic block (413) being fixedly connected to the connection between the mounting rod (412) and the sliding rod (410).

3. The uniformly heated breathable film heating and stretching machine according to claim 2, characterized in that: The stretching mechanism (5) comprises: a second installation box (51), the second installation box (51) is fixedly connected to the top of the heating stretching box (1); a connecting plate (52), the connecting plate (52) is fixedly connected to the right end of the second installation box (51); a fixed block (53), the upper left end of the connecting plate (52) is fixedly connected to the fixed block (53); a fourth motor (54), the back of the fixed block (53) is fixedly connected to the fourth motor (54); a rotating disk (55), the front end output shaft of the fourth motor (54) is fixedly connected to the rotating disk (55); a connecting block (56), the left end of the rotating disk (55) is fixedly connected to the connecting block (56); a rotating rod (57), the left side of the front end of the connecting block (56) is rotatably connected to the rotating rod (57); and a sliding ring (58), the lower back of the rotating rod (57) is rotatably connected to the sliding ring (58).

4. The uniformly heated breathable film heating and stretching machine according to claim 3, characterized in that: The stretching mechanism (5) further comprises: a moving rod (59), the bottom of the sliding ring (58) being fixedly connected to the moving rod (59); a limiting ring (510), the outer wall of the sliding ring (58) being slidably connected to the inner wall of the limiting ring (510); and a frequency converter (511), the left front end of the connecting plate (52) being fixedly connected to the frequency converter (511).

5. The uniformly heated breathable film heating and stretching machine according to claim 4, characterized in that: The back output shaft of the first motor (2) is fixedly connected to a placement roller (6), and the back output shaft of the second motor (3) is fixedly connected to a winding roller (11).

6. The uniformly heated breathable film heating and stretching machine according to claim 5, characterized in that: The electromagnetic block (413) is magnetically adsorbed to the sliding rod (410), and the electromagnetic spring (411) and the electromagnetic block (413) are both electrically connected to an external current output device.

7. The uniformly heated breathable film heating and stretching machine according to claim 6, characterized in that: The gear rod at the right end of the second gear (47) is rotatably connected to the left end of the fixed plate (44); the gear set (48) consists of two sets of gears connected left and right, and the top of the left end gear is meshed with the bottom of the first gear (46).

8. The uniformly heated breathable film heating and stretching machine according to claim 7, characterized in that: The back of the rotating disk (55) is rotatably connected to the front end of the fixed block (53), and the fourth motor (54) is electrically connected to the frequency converter (511).

9. The uniformly heated breathable film heating and stretching machine according to claim 8, characterized in that: The bottom of the moving rod (59) is fixedly connected to a telescopic roller (10), and the right end of the limiting ring (510) is fixedly connected to the left end of the connecting plate (52).

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