阅读说明：本技术 一种塑料袋吹膜挤出机用自干燥系统 (Self-drying system for plastic bag film blowing extruder ) 是由 洪俊锋 于 2020-11-29 设计创作，主要内容包括：本发明公开了一种塑料袋吹膜挤出机用自干燥系统,包括机体,所述机体上端固定连接有加料箱,所述机体内壁通过转轴转动连接有挤出板,所述机体下端开设有吸气腔,所述吸气腔内壁密封滑动连接有滑塞,所述滑塞侧壁通过第一导电弹簧与吸气腔内壁弹性连接,所述机体内底部固定连接有吸气管,所述吸气腔内壁通过单向进气管与吸气管内壁连接,所述机体上端开设有制冷腔。本发明通过第一导电板和第二导电板之间电路导通时,第一导电板为吸热端,第二导电板为放热端,进而可以对制冷腔内吸热,对制热腔内加热,进而对进入制冷腔内的热气进行干燥处理,且处理后的气体进入制热腔加热,然后再次流进机体内,进而对机体内的水蒸气进行排出。(The invention discloses a self-drying system for a plastic bag film blowing extruder, which comprises an extruder body, wherein a feeding box is fixedly connected to the upper end of the extruder body, the inner wall of the extruder body is rotatably connected with an extrusion plate through a rotating shaft, an air suction cavity is formed in the lower end of the extruder body, the inner wall of the air suction cavity is connected with a sliding plug in a sealing and sliding manner, the side wall of the sliding plug is elastically connected with the inner wall of the air suction cavity through a first conductive spring, an air suction pipe is fixedly connected to the bottom in the extruder body, the inner wall of the air suction cavity is connected with the inner wall of. When the circuit between the first current conducting plate and the second current conducting plate is conducted, the first current conducting plate is the heat absorbing end, the second current conducting plate is the heat releasing end, heat can be absorbed in the refrigerating cavity, the heating cavity is heated, hot gas entering the refrigerating cavity is dried, the treated gas enters the heating cavity to be heated, then flows into the machine body again, and then water vapor in the machine body is discharged.)

1. A self-drying system for a plastic bag film blowing extruder comprises a machine body (1), wherein a feeding box (2) is fixedly connected to the upper end of the machine body (1), and an extrusion plate (3) is rotatably connected to the inner wall of the machine body (1) through a rotating shaft, and is characterized in that an air suction cavity (4) is formed in the lower end of the machine body (1), a sliding plug (5) is hermetically and slidably connected to the inner wall of the air suction cavity (4), the side wall of the sliding plug (5) is elastically connected with the inner wall of the air suction cavity (4) through a first conductive spring (6), an air suction pipe (9) is fixedly connected to the bottom in the machine body (1), the inner wall of the air suction cavity (4) is connected with the inner wall of the air suction pipe (9) through a one-way air inlet pipe (10), a refrigeration cavity (8) is formed in the upper end of the machine body, heating chamber (12) have been seted up to organism (1) upper end, heating chamber (12) are located and set up under refrigeration chamber (8), the inner wall that one-way outlet duct (11) were kept away from in refrigeration chamber (8) passes through the connecting pipe and heats chamber (12) inner wall connection, top fixedly connected with heating pipe (14) in organism (1), the inner wall that the connecting pipe was kept away from in heating chamber (12) passes through blast pipe (15) and heating pipe (14) inner wall connection, install on organism (1) and cool off the heat transfer mechanism with the heating to the gas in refrigeration chamber (8) and the heating chamber (12).

2. The self-drying system for the plastic bag film blowing extruder as claimed in claim 1, wherein the heat exchange mechanism comprises a conductive block (19), a frame opening (16) communicated with the top of the interior of the heating cavity (12) is formed in the bottom of the interior of the cooling cavity (8), a first conductive plate (17) is fixedly connected to the upper portion of the inner wall of the frame opening (16), a second conductive plate (18) is fixedly connected to the lower portion of the inner wall of the frame opening (16), the conductive block (19) is slidably connected with the side walls of the first conductive plate (17) and the second conductive plate (18), and the side wall of the conductive block (19) is elastically connected with the inner wall of the frame opening (16) through a second conductive spring (20).

3. The self-drying system for the plastic bag film blowing extruder as claimed in claim 2, wherein a spiral coil (7) is embedded in the inner wall of the machine body (1), a part of the extrusion plate (3) is made of a magnetic material, the spiral coil (7) is coupled with the first conductive spring (6) through a switch control module, a humidity sensor (21) is fixedly connected to the upper end of the machine body (1), the spiral coil (7) is coupled with the second conductive spring (20) through the humidity sensor (21), one end of the spiral coil (7) is coupled with one end of the first conductive plate (17), and the other end of the spiral coil (7) is coupled with one end of the second conductive plate (18).

4. The self-drying system for the plastic bag film blowing extruder as claimed in claim 2, wherein the first conductive plate (17) and the second conductive plate (18) are made of different metal materials, and the conductive block (19) is made of the same material as the second conductive plate (18).

Technical Field

The invention relates to the technical field of plastic daily supplies, in particular to a self-drying system for a plastic bag film blowing extruder.

Background

Plastic bags are bags made of plastics as main raw materials, are essential articles in daily life and are often used for containing other articles, plastic bags are mainly formed by blow molding, and in the process, an extruder occupies an important component.

The plastic bag makes raw materials and melts the heating extrusion in the extruder, carry out melting to the raw materials and carry out drying to its inside moisture again, ensure the quality behind the blown film, but when the area that the moisture is heavier or weather, the water content in the air increases this moment, can bring into the air admission that contains the moisture when making the raw materials add in the extruder, make the vapor volume in the extruder great, and then the raw materials is after the blowing forms the film, its surface can form bubble or water wave, bring the influence to the performance and the outward appearance of film.

Based on the self-drying system, the invention provides a self-drying system for a plastic bag film blowing extruder.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a self-drying system for a plastic bag film blowing extruder.

In order to achieve the purpose, the invention adopts the following technical scheme:

a self-drying system for a plastic bag film blowing extruder comprises a machine body, wherein a feeding box is fixedly connected at the upper end of the machine body, the inner wall of the machine body is rotatably connected with an extrusion plate through a rotating shaft, an air suction cavity is formed at the lower end of the machine body, the inner wall of the air suction cavity is connected with a sliding plug in a sealing and sliding manner, the side wall of the sliding plug is elastically connected with the inner wall of the air suction cavity through a first conductive spring, an air suction pipe is fixedly connected at the bottom in the machine body, the inner wall of the air suction cavity is connected with the inner wall of the air suction pipe through a one-way air inlet pipe, a refrigerating cavity is formed at the upper end of the machine body, the refrigerating cavity is arranged right below the refrigerating cavity, the inner wall of the refrigerating cavity, which is far away from the one-way air outlet pipe, is connected with, the inner wall of the heating cavity far away from the connecting pipe is connected with the inner wall of the hot air pipe through the exhaust pipe, and the machine body is provided with a heat exchange mechanism for cooling and heating the gas in the cooling cavity and the heating cavity.

Preferably, heat transfer mechanism includes the conducting block, the frame mouth with heating intracavity top intercommunication is seted up to refrigeration intracavity bottom, the first current conducting plate of frame mouth inner wall top fixedly connected with, frame mouth inner wall below fixedly connected with second current conducting plate, conducting block and first current conducting plate and second current conducting plate lateral wall sliding connection, the conducting block lateral wall passes through second conductive spring and frame mouth inner wall elastic connection.

Preferably, the organism inner wall inlays and is equipped with helical coil, it adopts magnetic material to make to extrude the board partly, helical coil passes through on-off control module and is connected with first electrically conductive spring coupling, organism upper end fixedly connected with humidity transducer, helical coil passes through humidity transducer and second electrically conductive spring coupling and is connected, helical coil one end and first electrically conductive plate one end coupling connection, the helical coil other end and second electrically conductive plate one end coupling connection.

Preferably, the first conductive plate and the second conductive plate are made of different metal materials, and the conductive block and the second conductive plate are made of the same material.

The invention has the following beneficial effects:

1. the extrusion plate rotates to enable the spiral coil to continuously cut magnetic induction lines and generate induction current, other power supply mechanisms are not needed, and the energy-saving and environment-friendly effects are achieved;

2. by arranging the heat exchange mechanism, the induced current generated on the spiral coil enables the circuit between the first current-conducting plate and the second current-conducting plate to be conducted, and further the thermoelectric phenomenon occurs between the first current-conducting plate and the second current-conducting plate, so that the first current-conducting plate and the second current-conducting plate respectively absorb heat and release heat at one end of each current-conducting plate, namely the first current-conducting plate is a heat absorption end, and the second current-conducting plate is a heat release end, so that heat can be absorbed in the refrigerating cavity and heated in the heating cavity;

3. by arranging the sliding plug, the first conductive spring, the one-way air inlet pipe and the one-way air outlet pipe, induced current on the spiral coil intermittently supplies power to the first conductive spring through the switch control module, so that the first conductive spring periodically stretches, the air suction cavity continuously pumps hot air into the machine body from the refrigerating cavity, when the hot air flows in the refrigerating cavity, water vapor in the hot air is rapidly liquefied under the condition of sudden cold, the hot air is dried, the dried gas enters the heating cavity through the connecting pipe, the heated gas flows into the machine body again through the exhaust pipe, the water vapor in the machine body is discharged, bubbles or water marks can be prevented from being formed on the surface after the film is subjected to blow molding, the performance and the appearance quality of the film are influenced, the temperature in the machine body can not be reduced, and the production quality is ensured;

4. through setting up humidity transducer, when external humidity is great, humidity transducer resistance was less this moment, and then the electric current on the second conductive spring of flowing through was great for the flexible volume increase of second conductive spring, and then drive the conducting block slider, make the area increase in first current conducting plate and the second current conducting plate access circuit, and then the heat absorption area is big, accelerates the discharge to the interior vapor of organism.

Drawings

FIG. 1 is a schematic structural diagram of a self-drying system for a plastic bag film blowing extruder according to the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

In the figure: the device comprises a machine body 1, a charging box 2, an extrusion plate 3, an air suction cavity 4, a sliding plug 5, a first conductive spring 6, a spiral coil 7, a refrigeration cavity 8, an air suction pipe 9, a one-way air inlet pipe 10, a one-way air outlet pipe 11, a heating cavity 12, a water discharge pipe 13, a hot air pipe 14, an air discharge pipe 15, a frame opening 16, a first conductive plate 17, a second conductive plate 18, a conductive block 19, a second conductive spring 20 and a humidity sensor 21.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Referring to fig. 1-2, a self-drying system for plastic bag blown film extruder, including organism 1, 1 upper end fixedly connected with charging box 2 of organism, 1 inner wall of organism rotates through the pivot and is connected with extrusion plate 3, 1 lower extreme of organism has seted up the chamber of breathing in 4, 4 inner walls of chamber of breathing in seal sliding connection have sliding plug 5, sliding plug 5 lateral wall through first conductive spring 6 with 4 inner walls elastic connection in chamber of breathing in, it should be said that, the chamber of breathing in 4 is close to the inner wall of first conductive spring 6 and has seted up the through-hole, change in the chamber of breathing in 4 when being used for balanced sliding plug 5 slides.

Bottom fixedly connected with breathing pipe 9 in organism 1, 4 inner walls in chamber of breathing in are through one-way intake pipe 10 and 9 inner wall connections of breathing pipe, refrigeration chamber 8 has been seted up to organism 1 upper end, 4 inner walls in chamber of breathing in are through one-way outlet duct 11 and 8 inner wall connections in refrigeration chamber, 8 inner wall connections in refrigeration chamber have drain pipe 13, a water that forms after being used for liquefying the vapor in refrigeration chamber 8 discharges, it is required to explain, one-way intake pipe 10 only allows gas to get into from organism 1 in the chamber of breathing in 4, one-way outlet duct 11 only allows gas to get into in the refrigeration chamber 8 from the chamber of breathing in 4.

Heating chamber 12 has been seted up to 1 upper end of organism, heating chamber 12 is located and heats the setting under chamber 8, the inner wall that one-way outlet duct 11 was kept away from in refrigeration chamber 8 passes through the connecting pipe and heats 12 interior wall connections in chamber, top fixedly connected with heating pipe 14 in the organism 1, the inner wall that heating chamber 12 kept away from the connecting pipe passes through blast pipe 15 and 14 interior wall connections of heating pipe, install on the organism 1 and cool off the heat transfer mechanism with heating to refrigeration chamber 8 and the gas that heats in chamber 12.

The heat exchange mechanism comprises a conductive block 19, a frame opening 16 communicated with the top in the heating cavity 12 is formed in the bottom in the refrigerating cavity 8, a first conductive plate 17 is fixedly connected to the upper portion of the inner wall of the frame opening 16, a second conductive plate 18 is fixedly connected to the lower portion of the inner wall of the frame opening 16, the conductive block 19 is slidably connected with the side walls of the first conductive plate 17 and the second conductive plate 18, and the side wall of the conductive block 19 is elastically connected with the inner wall of the frame opening 16 through a second conductive spring 20.

The inner wall of the machine body 1 is embedded with a spiral coil 7, a part of the extrusion plate 3 is made of a magnetic material, the spiral coil 7 is coupled with the first conductive spring 6 through a switch control module, and it needs to be noted that the switch control module can intermittently supply power to the first conductive spring 6, which is not repeated herein for the prior art.

Organism 1 upper end fixedly connected with humidity transducer 21, helical coil 7 is through humidity transducer 21 and second conductive spring 20 coupled connection, when needing to explain, humidity transducer 21 can measure the moisture degree in the air, when the moisture in the air is great, humidity transducer 21 resistance is less this moment, and then the electric current that flows through on the second conductive spring 20 is great for the flexible volume increase of second conductive spring 20, otherwise, the flexible volume of second conductive spring 20 reduces.

One end of the spiral coil 7 is coupled with one end of the first conductive plate 17, the other end of the spiral coil 7 is coupled with one end of the second conductive plate 18, the first conductive plate 17 and the second conductive plate 18 are made of different metal materials, the conductive block 19 is made of the same material as the second conductive plate 18, when a circuit on the first conductive plate 17 and the second conductive plate 18 is conducted, a thermoelectric phenomenon can occur between the first conductive plate 17 and the second conductive plate 18, namely, the first conductive plate 17 is a heat absorption end, the second conductive plate 18 is a heat release end, and a connection point of the conductive block 19 and the second conductive plate 18 is a heat absorption point.

According to the invention, raw materials are fed into a machine body 1 through a feeding box 2, a rotating shaft is driven to drive an extrusion plate 3 to rotate, so that the raw materials are slowly extruded, when the rotating shaft rotates, the extrusion plate 3 made of magnetism rotates, a spiral coil 7 continuously cuts magnetic induction lines and generates induced current, and a switch control module intermittently supplies power to a first conductive spring 6, so that the first conductive spring 6 periodically stretches, and a gas suction cavity 4 continuously pumps hot gas in the machine body 1 into a refrigeration cavity 8 under the action of a one-way gas inlet pipe 10 and a one-way gas outlet pipe 11;

the induced current generated on the spiral coil 7 enables the circuit between the first conductive plate 17 and the second conductive plate 18 to be conducted, so that the first conductive plate 17 is a heat absorption end, the temperature in the refrigeration cavity 8 is lower, the second conductive plate 18 is a heat release end, the temperature in the heating cavity 12 is higher, when hot air enters the refrigeration cavity 8, water vapor in the hot air is rapidly liquefied under the condition of sudden cold, the hot air is dried, the dried air flows into the heating cavity 12 through the connecting pipe along with the hot air, so that the heating cavity 12 heats the air, and the heated air flows into the machine body 1 again through the exhaust pipe 15, and the water vapor in the machine body 1 is further exhausted;

when the humidity in the outside air is great, the resistance of the humidity sensor 21 is small at the moment, and then the current flowing through the second conductive spring 20 is great, so that the expansion amount of the second conductive spring 20 is increased, and then the conductive block 19 is driven, so that the area of the first conductive plate 17 and the second conductive plate 18 connected into the circuit is increased, and further the heat absorption area is large, the discharge of vapor in hot air is accelerated, and the performance and the appearance quality after the film blow molding are ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.