Chloroprene rubber drying device and chloroprene rubber production system

Abstract

The invention relates to the technical field of chloroprene rubber drying, in particular to a chloroprene rubber drying device and a production system. Comprising a pretreatment unit and a drying oven which are sequentially arranged, the pretreatment unit is used for primary dehydration of a rubber film, and the drying oven is used for heating and drying the chloroprene rubber film treated by the pretreatment unit; the chloroprene rubber film drying device is good in drying effect.

Description

Technical Field

[0001] The invention relates to the technical field of chloroprene rubber drying, and in particular to a chloroprene rubber drying device and a production system. Background Art

[0002] During the film drying process after the chloroprene rubber emulsion is frozen and condensed into a film, the transmission system of the film in the drying box is composed of chains, support rods, shaft sprockets, bearings, etc. and a power drive device; hot air is blown to the continuously running wet film at a certain wind speed, and the moisture in the film is evaporated due to the increase in temperature; most of the air together with the evaporated moisture is discharged into the drying box channels at both ends of the bellows under the blocking effect of the film. After the film is dried, its wet moisture content can be reduced to less than 1%.

[0003] A Chinese patent with the authorization announcement number CN113758213B discloses a rubber drying device, which includes a bracket, a guide roller and a winding roller; the drying device is efficient through continuous drying of the rubber belt, and the drying effect is improved by the combination of moisture absorption and hot air flow.

[0004] The above-mentioned device has poor drying effect and cannot achieve the ideal drying requirements of low energy consumption and high production capacity of the film. Summary of the invention

[0005] The invention provides a chloroprene rubber drying device and a production system, aiming to provide a chloroprene rubber film drying device with good drying effect.

[0006] The technical solution used in the present invention is as follows: The first aspect of the present application provides a chloroprene rubber drying device, comprising a pretreatment unit and a drying oven arranged in sequence; the pretreatment unit is used for dehydrating the film once, and the drying oven is used for heating and drying the chloroprene rubber film treated by the pretreatment unit; the pretreatment unit comprises a pretreatment frame, and an extrusion dehydration mechanism arranged on the pretreatment frame; the extrusion dehydration mechanism comprises a roller bracket, a first roller slide groove is provided on the roller bracket on one side, and a first roller slider slides in the first roller slide groove; a second roller slide groove is provided on the roller bracket on the other side, and a second roller slider slides in the second roller slide groove; roller lifting cylinders are provided on both sides of the pretreatment frame, and the push heads of the roller lifting cylinders are respectively fixed to the first roller slider and the second roller slider; two A water squeezing roller is rotatably fitted between the roller brackets; a number of water squeezing channels are evenly opened on the cylinder wall of the water squeezing roller; a pressure roller bracket is vertically provided on the roller bracket, a pressure roller slide groove is opened on the pressure roller bracket, and a pressure roller slider is slidably fitted in the pressure roller slide groove; the pressure roller slider is fixed to the pressure roller assembly; a pressure roller lifting cylinder is provided on the upper side of the pressure roller bracket, and the push head of the pressure roller lifting cylinder is fixed to the pressure roller slider, and the pressure roller assembly is used to contact the rolling upper side of the water squeezing roller to squeeze and drain the neoprene film; a sponge water storage layer is provided inside the water squeezing roller; a first mounting frame is provided on the roller bracket on one side of the first roller slide groove, and an n-shaped water pressing frame is provided on the lower side of the first mounting frame, and a water pressing roller is rotatably fitted on the water pressing frame; the water pressing roller is in contact with the sponge water storage layer and is used to squeeze the sponge water storage layer.

[0007] Furthermore, the drying oven includes a drying conveying mechanism for conveying the film, and a plurality of oven covers arranged on the drying conveying mechanism, the upper side of the front oven cover is connected to the heater through an air outlet pipe, the heater is connected to the steam pipe through a shunt pipe, the steam pipe is provided with a steam main pipe, the steam main pipe is used to connect to the steam source in the external factory area, and the shunt pipes are respectively provided with a one-way valve, the one-way valve is conducted from one side of the steam pipe to one side of the heating pipe; a liquid collecting hopper corresponding to the oven cover is provided on the lower side of the drying conveying mechanism; the bottom of the liquid collecting hopper is connected to the gas-liquid separator through a separator inlet pipe, the exhaust side of the front gas-liquid separator is connected to the heater on the next oven cover through the separator outlet pipe, the exhaust side of the second-to-last gas-liquid separator is connected to the upper side of the last oven cover through the separator outlet pipe, and the exhaust side of the last gas-liquid separator is connected to the first heater through the separator outlet pipe; fans are respectively provided on the separator outlet pipes; the discharge ends of the five gas-liquid separators are connected to the discharge main pipe.

[0008] Furthermore, a roller shaft is provided in the center of the closed side of the water squeezing roller, and a rolling ring is provided at the outer edge of the open side of the water squeezing roller; a roller motor is horizontally provided on the second roller slider, and the motor shaft of the roller motor passes through the second roller slider and is fixed to the roller shaft by a coupling; an L-shaped cross-section wheel frame is provided on the inner side of the first roller slider, and a wheel plate is provided on the lower side of the wheel frame, and abutment wheels are rotatably engaged with the wheel plates on both sides of the wheel plates through a rotating shaft; the abutment wheels are rollingly engaged in the rolling ring to support the water squeezing roller.

[0009] Furthermore, the pressure roller assembly includes a pressure roller ear connected to the pressure roller slider and a water squeezing pressure roller rotatably matched between the pressure roller ears; a water squeezing trough corresponding to the water squeezing roller is provided on the ground; when the chloroprene rubber film is dehydrated once, the chloroprene rubber film is located between the water squeezing pressure roller and the water squeezing roller.

[0010] Furthermore, an air jet wiping mechanism is also provided on the pretreatment frame; the air jet wiping mechanism includes an air jet box, which is fixed to the pretreatment frame through an L-shaped mounting bracket; an air jet motor is installed on one side of the air jet box through a motor bracket, and the air jet box rotates in coordination with the axial flow fan blades through the fan blade shaft, and the air jet motor drives the fan blade shaft to rotate; the other side of the fan blade shaft is connected to the extended air jet box and the groove cam key; a diverter chamber is provided on the side of the air jet box, and the diverter chamber is connected to the interior of the air jet box; swing ears are rotatably connected to the upper and lower sides of the diverter chamber, and a swing frame is provided between the two swing ears. A swing ring is rotated in the moving frame through a rotating shaft; a bellows is bonded and fixed in the swing ring, and the other end of the bellows is connected with the corresponding diversion chamber respectively; a first swing drive rod is provided on the side of the swing frame, and a swing drive groove is provided on the end of the first swing drive rod; a swing drive head with a U-shaped cross-section is slidably matched with the swing drive groove through a swing drive slide rod, and the side of the swing drive head is connected to the swing drive guide wheel through a second swing drive rod, and the swing drive guide wheel is rollingly matched in the annular groove of the groove cam; the second swing drive rod is slidably matched in a sliding sleeve fixed to the side of the diversion chamber.

[0011] Furthermore, the fan shaft is equipped with a wiping component and a linkage component; the wiping component includes a wiping swinging disk connected to the fan shaft key, and a wiping swinging arm arranged on the wiping swinging disk; a limiting column is arranged on the side of the air spray box, and an annular limiting groove is opened on the wiping swinging disk, and the limiting column is matched in the limiting groove; an L-shaped wiping connecting frame is arranged on the wiping swinging arm, and a wiping support plate is arranged at the end of the wiping connecting frame; a cleaning base frame with a U-shaped cross-section is arranged between the two wiping connecting frames, and the two side ends of the cleaning base frame are connected to the wiping support plate; two cleaning inclined surfaces are arranged on the inner side of the cleaning base frame; a cleaning guide frame with an I-shaped cross-section is fixed in the middle position of the cleaning inclined surface, and the two sides of the cleaning guide frame are plate-shaped and the middle is columnar; the wiping structure is matched with the cleaning guide frame; Further, the wiping structure includes a wiping connector and a wiping pressure tube hinged to the wiping connector, and also includes a wiping guide rod fixed to the wiping connector; the width of the wiping connector is smaller than the spacing between the cleaning inclined surfaces, and a wiping sponge is provided on the outer side of the wiping pressure tube; the wiping guide rod is provided with a wiping guide slot, and the wiping guide rod is slidably matched with the cleaning guide frame through the wiping guide slot; Furthermore, the linkage component includes a ratchet gear key-connected to the blade shaft, and also includes a linkage swing plate rotatably cooperated with the blade shaft, and the linkage swing plate is provided with a ratchet card rotatably cooperated with the torsion spring, and the ratchet card is pressed onto the ratchet gear; an n-shaped linkage pull frame is provided between the two linkage swing plates; the end of the wiping guide rod is connected to one end of the linkage rope, and the other end of the linkage rope passes through the cleaning base and is fixed in the middle of the linkage pull frame, and a linkage spring is passed through the linkage rope between the wiping guide rod and the cleaning base; the contact surfaces of the wiping connecting frame and the linkage pull frame are respectively inlaid with magnets, so that the wiping connecting frame and the linkage pull frame can be magnetically attracted together.

[0012] The second aspect of the present application provides a chloroprene rubber production system, comprising the chloroprene rubber drying device of any one of the above-mentioned embodiments, and also comprising a freezing drum and a washing tank arranged at the front side of the chloroprene rubber drying device.

[0013] The beneficial effects achieved by the present invention are as follows: the pretreatment unit and the drying oven provided in the present application; the pretreatment unit is used for primary dehydration of the film, and the drying oven is used for heating and drying the chloroprene rubber film treated by the pretreatment unit, when the chloroprene rubber film is subjected to primary dehydration; the squeezing roller squeezes the water on the chloroprene rubber film into the interior of the squeezing drum through the squeezing channel, and the water is absorbed by the sponge water storage layer inside the squeezing drum; the water pressing roller squeezes the sponge water storage layer, discharges the water in the sponge water storage layer out of the squeezing drum through the squeezing channel, and enters into the squeezed water collecting chamber, and discharges the water absorbed by the sponge water storage layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the drying oven structure of the present invention.

[0015] Figure 2 It is a schematic diagram of a chloroprene rubber drying device of the present invention.

[0016] Figure 3 It is a schematic diagram of the drying and conveying mechanism of the present invention.

[0017] Figure 4 The extrusion dehydration mechanism of the present invention is schematically shown in FIG. Figure 1 .

[0018] Figure 5 The extrusion dehydration mechanism of the present invention is schematically shown in FIG. Figure 2 .

[0019] Figure 6The internal structure of the squeezing drum of the present invention is schematically shown. Figure 1 .

[0020] Figure 7 The internal structure of the squeezing drum of the present invention is schematically shown. Figure 2 .

[0021] Figure 8 It is a schematic diagram of the position of the air jet wiping mechanism of the present invention.

[0022] Fig. 9 It is a schematic structural diagram of the air jet wiping mechanism of the present invention.

[0023] Fig.10 It is a schematic diagram of the internal structure of the air spray box of the present invention.

[0024] Fig.11 It is a schematic structural diagram of the first swing driving rod and the second swing driving rod of the present invention.

[0025] Fig.12 The wiping member structure of the present invention is schematically shown in FIG. Figure 1 .

[0026] Fig.13 The wiping member structure of the present invention is schematically shown in FIG. Figure 2 .

[0027] Fig.14 The wiping member structure of the present invention is schematically shown in FIG. Figure 3 .

[0028] Fig.15 It is a schematic diagram of the linkage component structure of the present invention.

[0029] Fig.16 It is a schematic diagram of the actions of the wiping component and the linkage component of the present invention.

[0030] Fig.17 It is a structural schematic diagram of a chloroprene rubber production system of the present invention.

[0031] In the figure, 1, drying oven; 2, drying conveying mechanism; 3, oven cover; 4, air outlet pipe; 5, heater; 6, shunt pipe; 7, steam pipe; 8, steam main pipe; 9, one-way valve; 10, liquid collecting hopper; 11, separator inlet pipe; 12, gas-liquid separator; 13, separator outlet pipe; 14, fan; 15, drainage main pipe; 16, pretreatment frame; 17, roller bracket; 18, first roller chute; 19, first roller slide shaft; 20, first roller slider; 21, second roller chute; 22, first roller slide shaft; 23, first roller slide shaft; 24, first roller slide shaft; 25, first roller slide shaft; 26, first roller slide shaft; 27, first roller slide shaft; 28, first roller slide shaft; 29, first roller slide shaft; 30, first roller slide shaft; 31, second roller slide shaft; 32, first roller slide shaft; 33, first roller slide shaft; 34, first roller slide shaft; 35, first roller slide shaft; 36, first roller slide shaft; 37, first roller slide shaft; 38, first roller slide shaft; 39, first roller slide shaft; 40, first roller slide shaft; 41, second roller slide shaft; 42, first roller slide shaft; 43, first roller slide shaft; 44, first roller slide shaft; 45, first roller slide shaft; 46, first roller slide shaft; 47, first roller slide shaft; 48, first roller slide shaft; 49, first roller slide shaft; 50, first roller slide shaft; 51, second roller slide shaft; 52, first roller slide shaft; 53, first roller slide shaft; 54, first roller slide shaft; 55, first roller slide shaft; 56, first roller slide shaft; 57, first roller slide shaft; 58, first roller slide shaft; 59, first roller slide shaft; Second roller slide shaft; 23, second roller slider; 24, roller lifting cylinder; 25, water squeezing roller; 26, water squeezing channel; 27, roller shaft; 28, rolling ring; 29, roller motor; 30, wheel support; 31, wheel support plate; 32, contact wheel; 33, pressure roller bracket; 34, pressure roller slide; 35, pressure roller slide shaft; 36, pressure roller slider; 37, pressure roller lifting cylinder; 38, pressure roller ear; 39, water squeezing roller; 40, sponge aquifer; 41, first mounting frame; 42, water pressure frame; 43, water pressure Roller; 44, second mounting frame; 45, jet pipe; 46, air pump; 47, air jet box; 48, air jet motor; 49, fan blade shaft; 50, groove cam; 51, diversion chamber; 52, swing ear; 53, swing frame; 54, swing ring; 55, bellows; 56, first swing drive rod; 57, swing drive groove; 58, swing drive head; 59, swing drive slide rod; 60, second swing drive rod; 61, swing drive guide wheel; 62, axial flow fan blade; 63, wipe swing plate; 64, ring shaped limit groove; 65, limit column; 66, wiping frame; 67, wiping support plate; 68, cleaning base frame; 69, cleaning inclined surface; 70, cleaning guide frame; 71, wiping connector; 72, wiping pressure pipe; 73, wiping guide rod; 74, wiping sponge; 75, wiping swing arm; 76, wiping guide slide; 77, ratchet gear; 78, linkage swing plate; 79, ratchet card; 80, linkage pull frame; 81, linkage rope; 82, linkage spring; 83, magnet; 84, freezing drum; 85, washing tank. DETAILED DESCRIPTION

[0032] To facilitate those skilled in the art to understand the present invention, specific implementations of the present invention are described below with reference to the accompanying drawings.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two elements; for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood through specific circumstances.

[0034] like Figure 1-2 As shown, the present invention provides a chloroprene rubber drying device, comprising a pretreatment unit and a drying oven 1 which are arranged in sequence; the pretreatment unit is used for primary dehydration of the rubber film, and the drying oven 1 is used for heating and drying the chloroprene rubber film treated by the pretreatment unit; the drying oven 1 can be any existing drying oven 1 device, wherein one embodiment of the drying oven 1 comprises a drying conveying mechanism 2 for conveying the rubber film, and a plurality of oven covers 3 arranged on the drying conveying mechanism 2; the drying conveying mechanism 2 can be any existing rubber film conveying device, wherein one embodiment is a fourdrinier, which is an existing rubber drying conveying mechanism and is a planar linear structure; as shown Figure 3 As shown, the second embodiment of the drying and conveying mechanism 2 is composed of a chain, a support rod, a shaft, a sprocket, a bearing, etc. and a power drive device in the drying box; the running speed of the drying and conveying mechanism 2 must ensure that the chloroprene rubber film is transported smoothly without being retained; if the running speed of the drying and conveying mechanism 2 is slow, the film is not stretched, and the tape is easy to be folded horizontally; if the speed is too fast, the tape will be over-stretched and easily folded in the longitudinal direction, which will affect the normal drying of the tape; in this application, five oven covers 3 are taken as an example, and the upper sides of the first four oven covers 3 are connected to the heater 5 through the air outlet pipe 4 (the last oven cover 3 is not connected to the heater 5), and the heater 5 is connected to the steam pipe 7 through the shunt pipe 6, and the steam pipe 7 has a steam main pipe 8, and the steam main pipe 8 is used to connect to the steam source in the external factory area, and the shunt pipe 6 is respectively provided with One-way valve 9, the one-way valve 9 is connected from one side of the steam pipe 7 to the other side of the heating pipe; a liquid collecting hopper 10 corresponding to the oven cover 3 is provided on the lower side of the drying and conveying mechanism 2, and the liquid collecting hopper 10 is a conical structure, and a total of five are provided; the bottoms of the five liquid collecting hoppers 10 are connected to the gas-liquid separator 12 through the separator inlet pipe 11, the exhaust sides of the first three gas-liquid separators 12 are connected to the heater 5 on the next oven cover 3 through the separator outlet pipe 13, the exhaust side of the fourth gas-liquid separator 12 is connected to the upper side of the fifth oven cover 3 through the separator outlet pipe 13, and the exhaust side of the fifth gas-liquid separator 12 is connected to the first heater 5 through the separator outlet pipe 13; fans 14 are respectively provided on the five separator outlet pipes 13; the discharge ends of the five gas-liquid separators 12 are connected to the discharge main pipe 15; the last separator outlet pipe 13 is connected with a pressure relief valve.

[0035] When drying the chloroprene rubber film, the pretreatment unit dehydrates the film once; the drying oven transfers heat to the wet film through hot air, and the moisture on the surface of the wet tape vaporizes and diffuses into the hot air through the surface air film; at the same time, due to the vaporization of moisture on the surface of the material, a humidity difference is generated between the inside and the surface of the tape, so the moisture inside the material diffuses to the surface in the form of gas or liquid, and finally enters the hot air in the form of gas; specifically, the steam source in the factory enters the steam pipe 7 through the steam main pipe 8, and replenishes steam to the heater 5 and the oven cover 3 through the shunt pipe 6; the fan 14 is started, and the steam temperature inside the first oven cover 3 is 120°C, and the chloroprene rubber film is dried. After that, it enters the first liquid collecting hopper 10 and is separated by the gas-liquid separator 12, and the moisture in the gas enters the drainage main pipe 15 through the drainage end of the gas-liquid separator 12; the gas after gas-liquid separation enters the heater 5 through the separator outlet pipe 13 to further heat the gas, and then enters the next oven cover 3; the temperatures inside the five oven covers 3 are 120°C, 130°C, 140°C, 135°C, and 120°C respectively; the separated gas from the last gas-liquid separator 12 enters the first heater 5 through the separator outlet pipe 13 for recycling; the chloroprene rubber film is directly blown through the oven cover 3, forcing the chloroprene rubber film to be in close contact with the drying and conveying mechanism 2, and the chloroprene rubber film is conveyed.

[0036] The pretreatment unit is used for primary dehydration of the film, such as Figure 4-5As shown, the pretreatment unit includes a pretreatment frame 16, and an extrusion dehydration mechanism arranged on the pretreatment frame 16, and the pretreatment frame 16 is fixed to the ground through legs; the extrusion dehydration mechanism includes a roller bracket 17 with an L-shaped cross-section, and a first roller chute 18 is provided on the roller bracket 17 on one side, and a first roller slide shaft 19 is relatively provided in the first roller chute 18, and a first roller slider 20 with an L-shaped cross-section is slidably matched on the first roller slider 19; a second roller chute 21 is provided on the roller bracket 17 on the other side, and a second roller slide shaft 22 is relatively provided in the second roller chute 21, and a second roller slider 23 with an L-shaped cross-section is slidably matched on the second roller slider 22; the pretreatment The drum lifting cylinder 24 is installed on both sides of the frame 16 through the cylinder frame, and the push head of the drum lifting cylinder 24 passes through the cylinder frame upward and is fixed to the first drum slider 20 and the second drum slider 23 respectively; a water squeezing drum 25 is rotatably matched between the two drum brackets 17; the water squeezing drum 25 is a cylindrical cylinder structure, and a plurality of water squeezing channels 26 are evenly opened on its cylinder wall; a drum shaft 27 is provided at the center of the closed side of the water squeezing drum 25, and a rolling ring 28 is provided on the outer edge of the open side of the water squeezing drum 25; a drum motor 29 is horizontally provided on the second drum slider 23, and the motor shaft of the drum motor 29 passes through the second drum slider 23 and is fixed to the drum shaft 27 through a coupling; the inner side of the first drum slider 20 A wheel support frame 30 with an L-shaped cross-section is provided on the side, and a wheel support plate 31 is provided on the lower side of the wheel support frame 30. Both sides of the wheel support plate 31 are rotatably matched with abutment wheels 32 through a rotating shaft; the abutment wheels 32 are rollingly matched in the rolling ring 28 to support the water squeezing roller 25; a pressure roller support 33 is vertically provided on the roller support 17, a pressure roller slide groove 34 is opened on the pressure roller support 33, a pressure roller slide shaft 35 is vertically provided in the pressure roller slide groove 34, and a pressure roller slider 36 is slidably matched on the pressure roller slide shaft 35; the pressure roller slider 36 is fixed to the pressure roller assembly; a pressure roller lifting cylinder 37 is provided on the upper side of the pressure roller support 33, and the push head of the pressure roller lifting cylinder 37 extends downward into the pressure roller slide groove 34 and is fixed to the upper side of the pressure roller slider 36 The roller lifting cylinder 37 drives the roller slider 36 to move along the roller slide shaft 35 to adjust the position of the roller assembly. The roller assembly is used to roll with the squeezing roller 25 to squeeze and drain the chloroprene rubber film. The roller assembly includes a roller ear 38 connected to the roller slider 36 and a squeezing roller 39 rotatably matched between the roller ears 38. A squeezing trough corresponding to the squeezing roller 25 is provided on the ground (or a pit is directly provided). When the chloroprene rubber film is dehydrated once, the chloroprene rubber film is located between the squeezing roller 39 and the squeezing roller 25. The squeezing roller 39 squeezes the water on the chloroprene rubber film into the interior of the squeezing roller 25 through the squeezing channel 26.

[0037] like Figure 6-7As shown, a sponge water storage layer 40 is provided inside the water squeezing roller 25, and the sponge water storage layer 40 is bonded and fixed to the inside of the water squeezing roller 25; an F-shaped first mounting frame 41 is provided on the roller bracket 17 on one side of the first roller chute 18, and an n-shaped water pressure frame 42 is provided on the lower side of the first mounting frame 41, and a water pressure roller 43 is rotatably matched on the water pressure frame 42; the water pressure roller 43 is in contact with the sponge water storage layer 40 for squeezing the sponge water storage layer 40; a second mounting frame 44 is provided on the other side of the water pressure frame 42, and an air jet 45 is provided between the first mounting frame 41 and the second mounting frame 44, and a plurality of nozzles are provided on the air jet 45, and the nozzles are connected to the air jet 45; an air pump 46 is provided on the first mounting frame 41, and the air outlet of the air pump 46 is connected to the air jet 45.

[0038] like Figure 6 As shown, when the pretreatment unit performs a dehydration on the chloroprene rubber film, the chloroprene rubber film is located between the squeezing roller 39 and the squeezing drum 25. The squeezing roller 39 squeezes the water on the chloroprene rubber film into the interior of the squeezing drum 25 through the squeezing channel 26, and is absorbed by the sponge water storage layer 40 inside the squeezing drum 25; the squeezing roller 43 squeezes the sponge water storage layer 40, and the water in the sponge water storage layer 40 is discharged from the squeezing drum 25 through the squeezing channel 26, and enters the squeezing water collection, and the water absorbed by the sponge water storage layer 40 is discharged; the chloroprene rubber film carries rosin soap, chloroprene rubber micro-particles and other micro-impurities. After long-term use, part of the squeezing channel 26 will be blocked, and the blocked squeezing channel 26 needs to be cleaned; Figure 7 As shown, the pressure roller lifting cylinder 37 drives the pressure roller slider 36 to move upward along the pressure roller sliding shaft 35, driving the pressure roller assembly to move upward as a whole; the drum lifting cylinder 24 is retracted, the water squeezing drum 25 moves downward as a whole, the nozzle is directly opposite to the water squeezing channel 26, the air pump 46 is turned on in a pulsed manner, and the impurities in the water squeezing channel 26 are sprayed to the outside, and the drum motor 29 drives the water squeezing drum 25 to rotate, so that the next row of water squeezing channels 26 and the nozzle continue to be cleaned.

[0039] After the chloroprene rubber film is washed, water droplets are attached to the film. Directly heating and drying the film will not produce good results. Figure 8 As shown, the pre-treatment frame 16 is also provided with an air jet wiping mechanism, which is used to remove the water droplets and impurities remaining on the film of the chloroprene rubber; the air jet wiping mechanism includes an air jet box 47, and the air jet box 47 is fixed to the pre-treatment frame 16 through an L-shaped mounting bracket; Figure 9-11As shown, the air blower box 47 is a rectangular box structure, and an air blower motor 48 is installed on one side of the air blower box 47 through a motor bracket. The air blower box 47 is rotatably matched with the axial flow fan blades 62 through a fan shaft 49, and one side of the fan shaft 49 is fixed to the motor shaft of the air blower motor 48 through a coupling; the other side of the fan shaft 49 is connected to the air blower box 47 and the groove cam 50 extending therefrom; a diverter chamber 51 is provided on the side of the air blower box 47, and the diverter chamber 51 is connected to the interior of the air blower box 47; swing ears 52 are rotatably connected to the upper and lower sides of the diverter chamber 51, a swing frame 53 is provided between the two swing ears 52, and a swing ring 54 is rotatably matched with the swing frame 53 through a rotating shaft, and the number of swing rings 54 The quantity is the same as the number of the diversion chambers 51; a bellows 55 is bonded and fixed in the swing ring 54, and the other end of the bellows 55 is connected with the corresponding diversion chamber 51 respectively; a first swing drive rod 56 is provided on the side of the swing frame 53, and a swing drive groove 57 is provided on the end of the first swing drive rod 56; a swing drive head 58 with a U-shaped cross-section is slidably matched with the swing drive groove 57 through a swing drive slide rod 59, and the side of the swing drive head 58 is connected with the swing drive guide wheel 61 through a second swing drive rod 60, and the swing drive guide wheel 61 is rollingly matched in the annular groove of the groove cam 50; the second swing drive rod 60 is slidably matched in a sliding sleeve fixed to the side of the diversion chamber 51 (not shown in the figure).

[0040] The air jet motor 48 drives the axial flow fan blades 62 to rotate through the fan blade shaft 49, and the wind is sprayed out from the bellows 55 after being diverted by the diversion chamber 51; the fan blade shaft 49 drives the groove cam 50 to rotate, thereby driving the second swing drive rod 60 to slide left and right along the sliding sleeve, and drives the swing frame 53 to swing along the swing ear 52 through the swing drive head 58. The bellows 55 blows in different directions. By constantly changing the blowing direction, the dead angle caused by blowing in a fixed direction can be reduced, ensuring that dust and water droplets are completely removed.

[0041] like Figure 12-14As shown, the fan shaft 49 is equipped with a wiping member and a linkage member; the wiping member includes a wiping swing disk 63 key-connected to the fan shaft 49, and a wiping swing arm 75 arranged on the wiping swing disk 63; a limiting column 65 is provided on the side of the air spray box 47, and an annular limiting groove 64 is provided on the wiping swing disk 63, and the limiting column 65 is matched in the limiting groove; an L-shaped wiping connecting frame 66 is provided on the wiping swing arm 75, and a wiping support plate 67 is provided at the end of the wiping connecting frame 66; a cleaning base frame 68 with a U-shaped cross-section is provided between the two wiping connecting frames 66, and the two side ends of the cleaning base frame 68 are connected to the wiping support plate 67; two inner sides of the cleaning base frame 68 are relatively provided A cleaning inclined surface 69; a cleaning guide frame 70 with an I-shaped cross section is fixed in the middle position of the cleaning inclined surface 69, and the cleaning guide frame 70 is plate-shaped on both sides and column-shaped in the middle; the wiping structure is matched with the cleaning guide frame 70; the wiping structure includes a wiping connection head 71 and a wiping pressure tube 72 hinged to the wiping connection head 71, and also includes a wiping guide rod 73 fixed to the wiping connection head 71; the width of the wiping connection head 71 is smaller than the spacing between the cleaning inclined surfaces 69, and a wiping sponge 74 is provided on the outer side of the wiping pressure tube 72; the wiping guide rod 73 has a wiping guide slide groove 76, and the wiping guide rod 73 slides with the cleaning guide frame 70 through the wiping guide slide groove 76; Fig.13 , 15 As shown, the linkage component includes a ratchet gear 77 key-connected to the fan shaft 49, and also includes a linkage swing plate 78 rotatably matched with the fan shaft 49, and a ratchet clamp 79 (torsion spring not shown in the figure) is rotatably matched on the linkage swing plate 78 through a torsion spring, and the ratchet clamp 79 is pressed onto the ratchet gear 77; an n-shaped linkage pull frame 80 is provided between the two linkage swing plates 78; the end of the wiping guide rod 73 is connected to one end of a linkage rope 81, and the other end of the linkage rope 81 passes through the cleaning base 68 and is fixed in the middle of the linkage pull frame 80, and a linkage spring 82 is passed through the linkage rope 81 between the wiping guide rod 73 and the cleaning base 68; the contact surfaces of the wiping link 66 and the linkage pull frame 80 are respectively inlaid with magnets 83, so that the wiping link 66 and the linkage pull frame 80 can be magnetically attracted together.

[0042] like Fig.15 , 16As shown, when the pretreatment unit performs a dehydration on the chloroprene rubber film, the air jet wiping mechanism is used to wipe and remove the water drops and impurities remaining on the chloroprene rubber film, and the extrusion dehydration mechanism extrudes and dehydrates the chloroprene rubber film; the air jet motor 48 drives the axial flow fan blade 62 to rotate through the fan blade shaft 49, and the wind is sprayed out from the bellows 55 after being diverted by the diversion chamber 51; the fan blade shaft 49 drives the groove cam 50 to rotate, thereby driving the bellows 55 to swing left and right for spraying; the rotation of the fan blade shaft 49 drives the ratchet gear 77 to rotate, and the ratchet gear 77 drives the linkage swing plate 78 and the linkage pull frame 80 to generate a clockwise movement trend through the ratchet card 79, and the linkage pull frame 80 presses the wiping swing arm 75 to generate a clockwise movement trend, forcing the wiping sponge 74 to press on the side of the squeezing drum 25, The water droplets remaining on the rubber film are wiped off; after the production of the unit is completed, the jet motor 48 drives the fan shaft 49 to rotate in the opposite direction, and the ratchet gear 77 drives the linkage swing plate 78 and the linkage pull frame 80 to rotate counterclockwise through the ratchet card 79, and the linkage pull frame 80 magnetically drives the wiping swing arm 75 to rotate counterclockwise as a whole; the wiping swing plate 63 rotates, the limit column 65 contacts the end of the annular limit groove 64, the wiping swing arm 75 cannot continue to rotate counterclockwise, the linkage pull frame 80 continues to rotate counterclockwise, and the linkage pull frame 80 is separated from the magnet 83 on the wiping swing arm 75; the linkage pull frame 80 pulls the linkage rope 81 to drive the wiping guide rod 73 to slide along the cleaning base 68, and the cleaning inclined surface 69 forces the wiping pressure tubes 72 to approach each other, and the wiping sponge 74 is squeezed by the two wiping pressure tubes 72 to squeeze out water.

[0043] like Fig.17 As shown, the second aspect of the present invention proposes a chloroprene rubber production system, including a chloroprene rubber drying device of any one of the above-mentioned embodiments, and also including a freezing drum 84 and a washing tank 85 arranged on the front side of the chloroprene rubber drying device, the freezing drum 84 is used for condensing and molding the chloroprene rubber film, and the washing tank 85 is used for washing the molded chloroprene rubber film.

[0044] If the fixing method is not separately introduced above, the general technical means used by technicians in the industry are used, such as welding, nesting, or threaded fixing.

[0045] The following points need to be explained: (1) The drawings of the embodiments of the present invention only relate to the structures related to the embodiments of the present invention, and other structures may refer to the general design.

[0046] (2) For the sake of clarity, in the drawings used to describe the embodiments of the present invention, the thickness of the layers or regions is exaggerated or reduced, that is, these drawings are not drawn according to the actual scale. It is understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, the element may be "directly" "on" or "under" the other element or there may be intermediate elements.

[0047] (3) In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0048] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A chloroprene rubber drying device, characterized in that: It comprises a pretreatment unit and a drying oven (1) which are arranged in sequence; the pretreatment unit is used for primary dehydration of the film, and the drying oven (1) is used for heating and drying the chloroprene rubber film after being treated by the pretreatment unit; The pretreatment unit comprises a pretreatment frame (16) and an extrusion dehydration mechanism arranged on the pretreatment frame (16); the extrusion dehydration mechanism comprises a roller bracket (17); a first roller chute (18) is provided on the roller bracket (17) on one side, and a first roller slider (20) is slidably engaged in the first roller chute (18); a second roller chute (21) is provided on the roller bracket (17) on the other side, and a second roller slider (23) is slidably engaged in the second roller chute (21); roller lifting cylinders (24) are provided on both sides of the pretreatment frame (16), and push heads of the roller lifting cylinders (24) are respectively fixed to the first roller slider (20) and the second roller slider (23); a water squeezing roller (25) is rotatably engaged between the two roller brackets (17); a plurality of water squeezing channels (26) are evenly provided on the cylinder wall of the water squeezing roller (25); a pressing roller is vertically provided on the roller bracket (17); The support (33) comprises a roller support (33), a roller chute (34) is provided on the roller support (33), a roller slider (36) is slidably matched in the roller chute (34), the roller slider (36) is fixed to the roller assembly, a roller lifting cylinder (37) is provided on the upper side of the roller support (33), a push head of the roller lifting cylinder (37) is fixed to the roller slider (36), the roller assembly is used to roll with the upper side of the squeezing roller (25) to squeeze and drain the chloroprene rubber film, a sponge water storage layer (40) is provided inside the squeezing roller (25), a first mounting frame (41) is provided on the roller support (17) on one side of the first roller chute (18), an n-shaped water pressing frame (42) is provided on the lower side of the first mounting frame (41), a water pressing roller (43) is rotatably matched on the water pressing frame (42), the water pressing roller (43) is in contact with the sponge water storage layer (40), and is used to squeeze the sponge water storage layer (40).

2. A chloroprene rubber drying device according to claim 1, characterized in that: The drying oven (1) comprises a drying conveying mechanism (2) for conveying the film, and a plurality of oven covers (3) arranged on the drying conveying mechanism (2); the upper side of the front oven cover (3) is connected to the heater (5) via an air outlet pipe (4); the heater (5) is connected to the steam pipe (7) via a shunt pipe (6); the steam pipe (7) is provided with a steam main pipe (8); the steam main pipe (8) is used to connect to a steam source in an external factory area; the shunt pipes (6) are respectively provided with a one-way valve (9); the one-way valve (9) is connected from one side of the steam pipe (7) to one side of the heating pipe; the lower side of the drying conveying mechanism (2) is provided with a liquid collecting hopper (1) corresponding to the oven cover (3); 0); the bottom of the liquid collecting hopper (10) is connected to the gas-liquid separator (12) through the separator inlet pipe (11); the exhaust side of the front gas-liquid separator (12) is connected to the heater (5) on the next oven cover (3) through the separator outlet pipe (13); the exhaust side of the penultimate gas-liquid separator (12) is connected to the upper side of the last oven cover (3) through the separator outlet pipe (13); the exhaust side of the last gas-liquid separator (12) is connected to the first heater (5) through the separator outlet pipe (13); fans (14) are respectively provided on the separator outlet pipes (13); the discharge ends of the five gas-liquid separators (12) are connected to the discharge main pipe (15).

3. A chloroprene rubber drying device according to claim 1, characterized in that: A roller shaft (27) is provided at the center of the closed side of the water squeezing roller (25), and a rolling ring (28) is provided at the outer edge of the open side of the water squeezing roller (25); a roller motor (29) is horizontally provided on the second roller slider (23), and the motor shaft of the roller motor (29) passes through the second roller slider (23) and is fixed to the roller shaft (27) via a coupling; a wheel support frame (30) with an L-shaped cross-section is provided on the inner side of the first roller slider (20), and a wheel support plate (31) is provided on the lower side of the wheel support frame (30), and abutment wheels (32) are rotatably engaged with the two sides of the wheel support plate (31) via a rotating shaft; the abutment wheels (32) are rollingly engaged in the rolling ring (28) to support the water squeezing roller (25).

4. A chloroprene rubber drying device according to claim 1, characterized in that: The pressure roller assembly comprises a pressure roller ear (38) connected to a pressure roller slider (36) and a water squeezing pressure roller (39) rotatably engaged between the pressure roller ears (38); a water squeezing trough corresponding to the water squeezing roller (25) is provided on the ground; when the chloroprene rubber film is dehydrated once, the chloroprene rubber film is located between the water squeezing pressure roller (39) and the water squeezing roller (25).

5. The chloroprene rubber drying device according to claim 1, characterized in that: The pretreatment frame (16) is also provided with an air jet wiping mechanism; the air jet wiping mechanism comprises an air jet box (47), the air jet box (47) being fixed to the pretreatment frame (16) via an L-shaped mounting bracket; an air jet motor (48) is mounted on one side of the air jet box (47) via a motor bracket, the air jet box (47) is rotationally matched with the axial flow fan blade (62) via a fan blade shaft (49), and the air jet motor (48) drives the fan blade shaft (49) to rotate; the other side of the fan blade shaft (49) is key-connected with a groove cam (50) extending from the air jet box (47); a diverter chamber (51) is provided on the side of the air jet box (47), and the diverter chamber (51) is communicated with the interior of the air jet box (47); swing ears (52) are rotatably connected to the upper and lower sides of the diverter chamber (51), and a swing frame (53) is provided between the two swing ears (52). ), a swing ring (54) is rotatably engaged with the swing frame (53) via a rotating shaft; a bellows (55) is bonded and fixed in the swing ring (54), and the other end of the bellows (55) is respectively communicated with the corresponding diversion chamber (51); a first swing drive rod (56) is provided on the side of the swing frame (53), and a swing drive groove (57) is provided at the end of the first swing drive rod (56); a swing drive head (58) with a U-shaped cross section is slidably engaged with the swing drive groove (57) via a swing drive slide rod (59), and the side of the swing drive head (58) is connected to a swing drive guide wheel (61) via a second swing drive rod (60), and the swing drive guide wheel (61) is rollingly engaged in the ring groove of the groove cam (50); the second swing drive rod (60) is slidably engaged in a sliding sleeve fixed to the side of the diversion chamber (51).

6. A chloroprene rubber drying device according to claim 5, characterized in that: The fan shaft (49) is equipped with a wiping member and a linkage member; the wiping member includes a wiping swing plate (63) key-connected to the fan shaft (49), and a wiping swing arm (75) disposed on the wiping swing plate (63); a limiting column (65) is disposed on the side of the air spray box (47); an annular limiting groove (64) is provided on the wiping swing plate (63), and the limiting column (65) is engaged in the limiting groove; an L-shaped wiping connecting frame (66) is disposed on the wiping swing arm (75), and the wiping connecting frame (66) is connected to the fan shaft (49); 6) is provided with a wiping support plate (67) at the end thereof; a cleaning base frame (68) with a U-shaped cross section is provided between the two wiping connecting frames (66), and the two side ends of the cleaning base frame (68) are connected to the wiping support plate (67); two cleaning inclined surfaces (69) are provided opposite to each other on the inner side of the cleaning base frame (68); a cleaning guide frame (70) with an I-shaped cross section is fixed in the middle position of the cleaning inclined surfaces (69), and the two sides of the cleaning guide frame (70) are plate-shaped and the middle is columnar; and the wiping structure is matched with the cleaning guide frame (70).

7. A chloroprene rubber drying device according to claim 6, characterized in that: The wiping structure comprises a wiping connector (71) and a wiping pressure tube (72) hinged to the wiping connector (71), and also comprises a wiping guide rod (73) fixed to the wiping connector (71); the width of the wiping connector (71) is smaller than the spacing between the cleaning inclined surfaces (69), and a wiping sponge (74) is provided on the outer side of the wiping pressure tube (72); the wiping guide rod (73) is provided with a wiping guide groove (76), and the wiping guide rod (73) is slidably matched with the cleaning guide frame (70) through the wiping guide groove (76).

8. A chloroprene rubber drying device according to claim 7, characterized in that: The linkage component comprises a ratchet gear (77) key-connected to the fan shaft (49), and also comprises a linkage swing plate (78) rotatably matched with the fan shaft (49), a ratchet clamp (79) rotatably matched on the linkage swing plate (78) through a torsion spring, and the ratchet clamp (79) is pressed on the ratchet gear (77); an n-shaped linkage pull frame (80) is provided between the two linkage swing plates (78); the end of the wiping guide rod (73) is connected to one end of a linkage rope (81), the other end of the linkage rope (81) passes through the cleaning base frame (68) and is fixed in the middle of the linkage pull frame (80), and a linkage spring (82) is passed through the linkage rope (81) between the wiping guide rod (73) and the cleaning base frame (68); magnets (83) are respectively embedded in the contact surfaces of the wiping connecting frame (66) and the linkage pull frame (80), so that the wiping connecting frame (66) and the linkage pull frame (80) can be magnetically attracted together.

9. A chloroprene rubber production system, comprising the chloroprene rubber drying device according to claim 1, and further comprising a freezing drum (84) and a washing tank (85) arranged at the front side of the chloroprene rubber drying device.

Images