CN112793071A - Sponge continuous horizontal foaming system and operation method thereof - Google Patents
Sponge continuous horizontal foaming system and operation method thereof Download PDFInfo
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- CN112793071A CN112793071A CN202011496710.XA CN202011496710A CN112793071A CN 112793071 A CN112793071 A CN 112793071A CN 202011496710 A CN202011496710 A CN 202011496710A CN 112793071 A CN112793071 A CN 112793071A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
- B29C44/285—Rising trough lateral side members, e.g. following the foam expansion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/35—Component parts; Details or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
A continuous horizontal sponge foaming system and an operation method thereof comprise a foaming corridor, wherein a main chain plate conveyor is arranged in the foaming corridor, side chain plate conveyors are respectively arranged on two sides of the main chain plate conveyor, the two side chain plate conveyors are arranged on an interval adjusting device, and the interval adjusting device is used for adjusting the interval between the two side chain plate conveyors; the distance adjusting device comprises a door-shaped support, a track beam is arranged on the door-shaped support, a hanging frame is slidably arranged on the track beam and used for being fixed with the side chain plate conveyor, and the hanging frame is driven to move through a driving device. The distance between the two side chain plate conveyors can be adjusted within a certain range, and one foaming line can be used for preparing sponges with various widths, so that the application range of the foaming line is enlarged, and the cost investment is reduced; a tail gas treatment device is added, so that the working environment is improved; this system has increased limit membrane hoisting device, makes the part that needs the cutting reduce greatly, has avoided a large amount of sponges extravagant to be favorable to reducing preparation cost.
Description
Technical Field
The invention belongs to the field of sponge manufacturing, and particularly relates to a sponge continuous horizontal foaming system and an operation method thereof.
Background
The sponge has the characteristics of porosity, fluffiness, high elasticity and the like, and is prepared by a foaming process, wherein a foaming corridor is common equipment in the foaming process, for example, a sponge continuous foaming corridor disclosed by Chinese patent document CN201910955739.0, a main chain plate conveyor and two side chain plate conveyors are arranged in the existing foaming corridor, a material to be foamed moves along with the main chain plate conveyor, the thick material is gradually puffed, and finally a strip-shaped square sponge block is formed. The defects of the prior art are as follows:
1. the distance between the two side chain plate conveyors cannot be adjusted, each foaming line can only prepare sponge with one width, and if sponge blocks with different widths need to be foamed, a set of foaming line needs to be additionally designed, so that the cost investment is large;
2. in the foaming process of the sponge, a small amount of harmful gas can be generated, the tail gas is not treated in the prior art, but the part of gas is discharged into the air, so that the operation is severe, and the health of workers is damaged;
3. the sponge of prior art foaming, sponge top surface is protruding (as shown in fig. 14), and the top surface radian is great promptly, and the finished product needs to be cut into the plane with convex top surface before leaving the factory, can lead to a large amount of sponges extravagant like this, has increased the foaming cost.
Disclosure of Invention
In view of the technical problems in the background art, the sponge continuous horizontal foaming system and the operation method thereof provided by the invention have the advantages that the distance between the two side chain plate conveyors can be adjusted within a certain range, and one foaming line can be used for preparing sponges with various widths, so that the application range of the foaming line is increased, and the cost input is reduced; a tail gas treatment device is added, so that the working environment is improved; this system has increased limit membrane hoisting device, makes the part that needs the cutting reduce greatly, has avoided a large amount of sponges extravagant to be favorable to reducing preparation cost.
In order to solve the technical problems, the invention adopts the following technical scheme to realize:
a continuous horizontal sponge foaming system comprises a foaming corridor, wherein a main chain plate conveyor is arranged in the foaming corridor, side chain plate conveyors are respectively arranged on two sides of the main chain plate conveyor, the two side chain plate conveyors are arranged on an interval adjusting device, and the interval adjusting device is used for adjusting the interval between the two side chain plate conveyors; the distance adjusting device comprises a door-shaped support, a track beam is arranged on the door-shaped support, a hanging frame is slidably arranged on the track beam and used for being fixed with the side chain plate conveyor, and the hanging frame is driven to move through a driving device.
In the preferred scheme, the driving device comprises a screw rod, positive threads and negative threads are arranged at two ends of the screw rod, the positive threads and the negative threads are respectively in threaded connection with the two hanging brackets, the screw rod is driven to rotate by a speed reduction motor, and the speed reduction motor is arranged in the middle of the track beam.
In the preferred scheme, the top of the foaming corridor is provided with a plurality of exhaust fans, and the exhaust fans are communicated with a tail gas purification device through pipelines.
In a preferable scheme, the tail end of the foaming gallery is provided with an air sealing device, the air sealing device comprises an air nozzle arranged at the top of the foaming gallery, and the air nozzle is used for providing blowing air downwards.
In a preferred scheme, a feeding device is arranged at the head end of the foaming corridor and comprises a feeding nozzle, the feeding nozzle is connected with a sliding rod in a sliding manner, the feeding nozzle is fixed with a traction rope, the traction rope is driven by two driving wheels, one of the driving wheels is driven by a motor to rotate, and the motor and the driving wheels are connected with a bracket of the feeding device through a fixing piece; the motor is used for driving the feeding nozzle to horizontally reciprocate through the driving wheel, and the moving direction of the feeding nozzle is vertical to the conveying direction of the main chain plate conveyor.
In the preferred scheme, the front section of the foaming corridor is provided with a boundary film lifting device, and the boundary film lifting device is arranged on a hanging bracket; the side film lifting device comprises a film guide mechanism arranged on the inner side of the side chain plate conveyor, the film guide mechanism is used for adjusting the height of a film, the film is used for being synchronously conveyed along with foaming sponge, and the film is supplied by a film winding drum.
In a preferred scheme, the film guide mechanism comprises an angle adjusting guide rod, the angle adjusting guide rod is hinged with a fixed support, the hinged point divides the angle adjusting guide rod into a front section guide rod and a rear section guide rod, a blade is arranged on the front section guide rod, the rear section guide rod is driven to rotate by a push rod device, and two ends of the push rod device are respectively hinged with the rear section guide rod and the fixed support; the film is a cylindrical film belt which is sleeved in from the front section guide rod, and the blade is used for cutting the top of the cylindrical film belt; the fixed support is connected with the hanger.
In the preferred scheme, the film winding drum is vertically sleeved on the rotating roller, and the head end of the side chain plate conveyor is provided with a guide roller.
In a preferable scheme, the front end of the angle adjusting guide rod is bent downwards.
This patent can reach following beneficial effect:
1. the distance between the two side chain plate conveyors can be adjusted within a certain range, and a foaming line can be used for preparing sponges with various widths, so that the application range of the foaming line is enlarged, and the cost input is reduced.
2. A tail gas treatment device is added, so that the working environment is improved;
3. this system has increased limit membrane hoisting device, promote the height of thick form material both ends film through film guiding mechanism, make thick form material both sides upwards drag, the bellied part in the middle part of the thick form material is along with the tractive effect on both sides, convex high H can reduce, like this the shape like figure 15 can appear in final fashioned sponge top surface shape, regional X1 slightly perk, regional X3 slightly upwards is protruding, it is slightly recessed to be located regional X2 between X1 and the regional X3, but the sponge top surface is whole to tend to the level, because the protruding and recessed radian of sponge top surface is less, compare prior art, the part that needs the cutting reduces greatly, a large amount of sponges are avoided extravagantly, thereby be favorable to reducing the preparation cost.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a layout view (top view) of a foaming gallery, a main chain plate conveyor, a side chain plate conveyor and a spacing adjustment device according to the present invention;
FIG. 2 is a layout view (side view) of the foaming gallery, the main chain plate conveyor, the side chain plate conveyor and the spacing adjustment device of the present invention;
FIG. 3 is a three-dimensional structure of the spacing adjustment apparatus of the present invention;
FIG. 4 is an effect diagram of the present invention with an exhaust fan installed on the top of the foaming gallery;
FIG. 5 is a view showing the installation position of the charging device according to the present invention;
FIG. 6 is a schematic view of the structure of the feeding device of the present invention;
FIG. 7 is a first view illustrating the effect of the edge film lifting device according to the present invention;
FIG. 8 is a second drawing illustrating the effect of the edge film lifting device according to the present invention;
FIG. 9 is a diagram showing the effect of the position of the foam sponge and film guiding mechanism according to the present invention;
FIG. 10 is a film structure of the present invention;
FIG. 11 is a schematic structural view of a film guide mechanism according to the present invention;
FIG. 12 is a first view illustrating the film guide mechanism and the film mounting effect of the present invention;
FIG. 13 is a second view of the film guide mechanism and the film mounting effect of the present invention;
FIG. 14 is a cross-sectional view of a foam sponge without the use of a boundary film lifting device;
FIG. 15 is a cross-sectional view of a foam sponge according to the present invention with a boundary film lifting device;
FIG. 16 is a three-dimensional structure diagram of a foaming sponge at the front section of a foaming corridor under the condition that a side film lifting device is not adopted;
FIG. 17 is a diagram showing the effect of the arrangement of the thin films according to the present invention;
FIG. 18 is a diagram illustrating the effect of the film guiding mechanism when the angle adjustment guide initially tilts at angle A1 according to the present invention;
FIG. 19 is a diagram illustrating the effect of the film guiding mechanism when the angle adjustment guide initially tilts at angle A2 according to the present invention;
FIG. 20 is a side view of the inclined effect of the foaming sponge in the front section of the foaming gallery of the present invention;
in the figure: the device comprises a foaming gallery 1, a main chain plate conveyor 2, a side chain plate conveyor 3, a spacing adjusting device 4, a door-shaped support 41, a track beam 42, a hanger 43, a lead screw 44, a speed reducing motor 45, an exhaust fan 5, a feeding device 6, a feeding spray head 61, a slide rod 62, a traction rope 63, a transmission wheel 64, a motor 65, a feeding device support 66, a side film lifting device 7, a film guide mechanism 71, an angle adjusting guide rod 71.1, a fixed support 71.2, a blade 71.3, a push rod device 71.4, a film 72, a film winding drum 73, a guide roller 8, an air nozzle 9 and a foaming sponge 10.
Detailed Description
A preferred scheme is as shown in fig. 1 to 20, a sponge continuous horizontal foaming system and an operation method thereof, comprising a foaming gallery 1, wherein a main chain plate conveyor 2 is arranged in the foaming gallery 1, side chain plate conveyors 3 are respectively arranged at two sides of the main chain plate conveyor 2, the two side chain plate conveyors 3 are arranged on an interval adjusting device 4, and the interval adjusting device 4 is used for adjusting the interval between the two side chain plate conveyors 3; the distance adjusting device 4 comprises a door-shaped support 41, a track beam 42 is arranged on the door-shaped support 41, a hanger 43 is slidably arranged on the track beam 42, the hanger 43 is used for being fixed with the side chain plate conveyor 3, and the hanger 43 is driven to move by a driving device. The track beam 42 is an i-beam, the hanger 43 is provided with an i-shaped sliding groove, the i-shaped sliding groove is in sliding fit with the i-beam, and preferably, a roller can be arranged in the i-shaped sliding groove to reduce friction force. The top of door type support 41 is used for fixing the top cap of foaming corridor 1, and foaming corridor 1 both sides wall adopts aluminum plate to connect and forms, is provided with a plurality of sliding window on the foaming corridor 1 lateral wall, and foaming corridor 1 is the corridor structure, provides a relative confined bar passageway for the foaming technology. The maximum spacing between the two edge chain conveyors 3 is less than the width of the main chain conveyor 2.
The length of the foaming corridor 1 is generally dozens of meters, the foaming corridor 1 is shown to be shorter due to the limitation of the size of the picture in the drawing, the number of the distance adjusting devices 4 is multiple, and the number of the distance adjusting devices 4 is determined by the length of the foaming corridor 1.
Further, the driving device comprises a screw rod 44, positive threads and negative threads are arranged at two ends of the screw rod 44, the positive threads and the negative threads are respectively in threaded connection with the two hanging brackets 43, the screw rod 44 is driven to rotate by a speed reducing motor 45, and the speed reducing motor 45 is installed in the middle of the track beam 42. The reduction motor 45 comprises a driving motor and a reduction gearbox, the reduction gearbox can adopt a worm and gear reduction gearbox, and the hanger 43 is prevented from moving by utilizing the self-locking function of the worm and gear reduction gearbox.
Further, a plurality of exhaust fans 5 are arranged at the top of the foaming corridor 1, and the exhaust fans 5 are communicated with the tail gas purification device through pipelines. In the sponge foaming process, a little toxic gas exists, the exhaust fan 5 is used for extracting the tail gas in the foaming gallery 1, and the tail gas is introduced into the tail gas purification device for treatment, so that the emission of harmful gas is avoided.
Further, the tail end of the foaming corridor 1 is provided with an air sealing device, the air sealing device comprises an air nozzle 9 arranged at the top of the foaming corridor 1, and the air nozzle 9 is used for providing blowing air downwards. Because the two ends of the foaming gallery 1 are of an open structure, the gas sealing device is adopted, and the gas leakage in the foaming gallery 1 can be reduced.
Furthermore, a feeding device 6 is arranged at the head end of the foaming corridor 1, the feeding device 6 comprises a feeding spray head 61, the feeding spray head 61 is slidably connected with a sliding rod 62, the feeding spray head 61 is fixed with a traction rope 63, the traction rope 63 is driven by two driving wheels 64, one driving wheel 64 is driven by a motor 65 to rotate, and the motor 65 and the driving wheel 64 are connected with a feeding device bracket 66 through fixing pieces; the motor 65 is used for driving the feeding nozzle 61 to horizontally reciprocate through the driving wheel 64, and the moving direction of the feeding nozzle 61 is vertical to the conveying direction of the main chain plate conveyor 2.
Furthermore, the front section of the foaming corridor 1 is provided with a boundary film lifting device 7, and the boundary film lifting device 7 is arranged on a hanger 43; the side film lifting device 7 includes a film guide mechanism 71 provided inside the side chain conveyor 3, the film guide mechanism 71 being for adjusting the height of a film 72, the film 72 being for synchronous conveyance along with the foaming sponge 10, the film 72 being supplied from a film roll 73.
Further, the film guide mechanism 71 comprises an angle adjusting guide rod 71.1, the angle adjusting guide rod 71.1 is hinged with the fixed support 71.2, the hinged point divides the angle adjusting guide rod 71.1 into a front section guide rod and a rear section guide rod, a blade 71.3 is arranged on the front section guide rod, the rear section guide rod is driven to rotate by a push rod device 71.4, and two ends of the push rod device 71.4 are respectively hinged with the rear section guide rod and the fixed support 71.2; the film 72 is a cylindrical film belt which is sleeved in from the front section guide rod, and the blade 71.3 is used for cutting the top of the cylindrical film belt; the fixing bracket 71.2 is connected to the hanger 43.
Further, the film winding drum 73 is vertically sleeved on the rotating roller, and the head end of the side chain plate conveyor 3 is provided with a guide roller 8. The guide rollers 8 prevent the film from contacting and wearing the edge chain conveyor 3.
Further, the front end of the angle adjusting guide rod 71.1 is bent downwards. The angle adjustment guide 71.1 is prevented from tearing the film 72.
In a preferred embodiment, the operation method of the sponge continuous horizontal foaming system comprises the following steps:
s1: adjusting the distance between the two side chain plate conveyors 3 by using the distance adjusting device 4 according to the size of the foaming sponge 10;
s2: paving kraft paper on the main chain plate conveyor 2, enabling the film 72 to bypass the guide roller 8 and be sleeved on the angle adjusting guide rod 71.1, continuously drawing the film 72, and enabling the blade 71.3 to cut the top of the film 72, wherein the length of the cut film 72 is L1;
the length of the angle adjusting guide rod 71.1 is determined according to the length of the sponge (here, the sponge is not completely formed and is in a foaming stage) shown in fig. 16, L1 is generally 20-30cm, when the sponge moves, the film can be attached to the side wall of the sponge and moves along with the sponge, and the blade can continuously cut the film in the moving process of the film. Before the main chain plate conveyor 2 is not started, the film is hung on a front section guide rod of the angle adjusting guide rod 71.1, the inclination angle of the angle adjusting guide rod 71.1 is smaller, and the film cannot fall off.
S3: starting the push rod device 71.4 and adjusting the angle of the angle adjusting guide rod 71.1 to enable the angle adjusting guide rod 71.1 to be arranged in a downward inclined mode, wherein the initial inclined angle is A1; a1 is the included angle degree between the angle adjusting guide rod 71.1 and the horizontal plane;
s4: starting a feeding device 6, a main chain plate conveyor 2, a side chain plate conveyor 3, an exhaust fan 5 and an air sealing device; the feeding spray head 61 is transversely reciprocated by utilizing the positive and negative rotation of the motor 65, and the thick materials are sprayed on the kraft paper;
s5: with the continuous foaming and forming of the sponge, the material positioned at the front section of the foaming gallery 1 is obliquely arranged, and the angle of the angle adjusting guide rod 71.1 is adjusted according to the inclination trend of the material, so that the front end of the angle adjusting guide rod 71.1 is always higher than the upper surface of the material;
s6: under the condition of a certain feeding amount, the inclination of the upper surface of the foaming sponge 10 positioned at the front section of the foaming gallery 1 tends to be stable, and an included angle between the inclined upper surface of the material and the horizontal plane is defined as B1;
s7: because the foaming sponge 10 at the front section of the foaming gallery 1 is a thick substance with high fluidity, the top surface of the thick substance is of a cambered surface structure; in the foaming process of step S6, the radian of the arc surface is observed by naked eyes, and when the radian is too high, the angle adjusting guide rod 71.1 is adjusted upwards to lift the films 72 at the two ends of the foaming sponge 10 upwards, so as to increase the heights of the edges at the two ends of the thick object, and as the films 72 are lifted, the top surface of the thick object tends to a plane, and the top surface of the thick object tends to a plane by naked eyes; at the moment, the included angle between the angle adjusting guide rod 71.1 and the horizontal plane is recorded and defined as A2;
s8: keeping the angle of A2 unchanged, attaching the film 72 to both sides of the foaming sponge 10 and driving with the foaming sponge 10, and finishing the one-time foaming work when the foaming sponge 10 is fully distributed in the whole foaming corridor 1.
As shown in fig. 14, the cutting line is used as a reference surface, and a large number of sponge blocks need to be cut, because the radian of the top surface of the sponge is large, and the sag H is long, the sponge is wasted.
As shown in FIG. 15, by adopting the side film lifting device in the technical scheme, the sag H can be reduced, the top surface of the sponge tends to be flat, the sponge to be cut is less, the height of the effectively used sponge block can be increased, and the quantity of finished products is increased.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a continuous horizontal foaming system of sponge, includes foaming corridor (1), is equipped with main chain plate conveyer (2) in foaming corridor (1), and main chain plate conveyer (2) both sides are equipped with sideline plate conveyer (3), its characterized in that respectively: the two side chain plate conveyors (3) are arranged on the distance adjusting device (4), and the distance adjusting device (4) is used for adjusting the distance between the two side chain plate conveyors (3); the distance adjusting device (4) comprises a door-shaped support (41), a track beam (42) is arranged on the door-shaped support (41), a hanging bracket (43) is slidably arranged on the track beam (42), the hanging bracket (43) is used for being fixed with the side chain plate conveyor (3), and the hanging bracket (43) is driven to move through a driving device.
2. The continuous horizontal sponge foaming system of claim 1, wherein: the driving device comprises a lead screw (44), positive threads and negative threads are arranged at two ends of the lead screw (44), the positive threads and the negative threads are respectively in threaded connection with the two hanging brackets (43), the lead screw (44) is driven to rotate by a speed reducing motor (45), and the speed reducing motor (45) is installed in the middle of the track beam (42).
3. The continuous horizontal sponge foaming system of claim 1, wherein: the top of the foaming corridor (1) is provided with a plurality of exhaust fans (5), and the exhaust fans (5) are communicated with a tail gas purification device through pipelines.
4. The continuous horizontal sponge foaming system of claim 1, wherein: the tail end of the foaming gallery (1) is provided with an air sealing device, the air sealing device comprises an air nozzle (9) arranged at the top of the foaming gallery (1), and the air nozzle (9) is used for providing blowing air downwards.
5. The continuous horizontal sponge foaming system of claim 1, wherein: the head end of the foaming corridor (1) is provided with a feeding device (6), the feeding device (6) comprises a feeding spray head (61), the feeding spray head (61) is connected with a sliding rod (62) in a sliding way, the feeding spray head (61) is fixed with a traction rope (63), the traction rope (63) is driven by two driving wheels (64), one driving wheel (64) is driven by a motor (65) to rotate, and the motor (65) and the driving wheels (64) are connected with a feeding device support (66) through fixing parts; the motor (65) is used for driving the feeding spray head (61) to horizontally reciprocate through the driving wheel (64), and the moving direction of the feeding spray head (61) is vertical to the conveying direction of the main chain plate conveyor (2).
6. The continuous horizontal sponge foaming system of claim 2, wherein: the front section of the foaming corridor (1) is provided with a boundary film lifting device (7), and the boundary film lifting device (7) is arranged on a hanging bracket (43); the side film lifting device (7) comprises a film guide mechanism (71) arranged on the inner side of the side chain plate conveyor (3), the film guide mechanism (71) is used for adjusting the height of a film (72), the film (72) is synchronously conveyed along with the foaming sponge (10), and the film (72) is supplied by a film winding drum (73).
7. The continuous horizontal sponge foaming system of claim 6, wherein: the film guide mechanism (71) comprises an angle adjusting guide rod (71.1), the angle adjusting guide rod (71.1) is hinged with the fixed support (71.2), the hinged point divides the angle adjusting guide rod (71.1) into a front section guide rod and a rear section guide rod, a blade (71.3) is arranged on the front section guide rod, the rear section guide rod is driven to rotate by a push rod device (71.4), and two ends of the push rod device (71.4) are respectively hinged with the rear section guide rod and the fixed support (71.2); the film (72) is a cylindrical film belt which is sleeved from the front section guide rod, and the blade (71.3) is used for cutting the top of the cylindrical film belt; the fixed bracket (71.2) is connected with the hanger (43).
8. The continuous horizontal sponge foaming system of claim 7, wherein: the film winding drum (73) is vertically sleeved on the rotating roller, and the guide roller (8) is arranged at the head end of the side chain plate conveyor (3).
9. The continuous horizontal sponge foaming system of claim 7, wherein: the front end of the angle adjusting guide rod (71.1) is bent downwards.
10. Method of operating a continuous horizontal sponge foaming system according to any of the claims 1 to 9, characterized in that it comprises the following steps:
s1: adjusting the distance between the two side chain plate conveyors (3) by using a distance adjusting device (4) according to the size of the foaming sponge (10);
s2: paving kraft paper on the main chain plate conveyor (2), winding the film (72) around the guide roller (8) and sleeving the film on the angle adjusting guide rod (71.1), continuously drawing the film (72), and enabling the blade (71.3) to cut the top of the film (72), wherein the length of the cut film (72) is L1;
s3: starting the push rod device (71.4) and adjusting the angle of the angle adjusting guide rod (71.1), so that the angle adjusting guide rod (71.1) is arranged in a downward inclined mode, and the initial inclined angle is A1; a1 is the included angle degree between the angle adjusting guide rod (71.1) and the horizontal plane;
s4: starting a feeding device (6), a main chain plate conveyor (2), a side chain plate conveyor (3), an exhaust fan (5) and an air sealing device; the feeding spray head (61) is transversely reciprocated by utilizing the positive and negative rotation of the motor (65), and the thick material is sprayed on the kraft paper;
s5: with the continuous foaming and forming of the sponge, the material positioned at the front section of the foaming gallery (1) is obliquely arranged, and the angle of the angle adjusting guide rod (71.1) is adjusted according to the inclination trend of the material, so that the front end of the angle adjusting guide rod (71.1) is always higher than the upper surface of the material;
s6: under the condition of a certain feeding amount, the inclination of the upper surface of the foaming sponge (10) positioned at the front section of the foaming gallery (1) tends to be stable, and the included angle between the inclined upper surface of the material and the horizontal plane is defined as B1;
s7: because the foaming sponge (10) at the front section of the foaming gallery (1) is a thick object with high fluidity, the top surface of the thick object is of a cambered surface structure; in the foaming process of step S6, the radian of the arc surface is observed by naked eyes, when the radian is too high, the angle adjusting guide rod (71.1) is adjusted upwards, so that the films (72) at the two ends of the foaming sponge (10) are lifted upwards, the heights of the edges at the two ends of the thick object are increased, the top surface of the thick object tends to a plane along with the lifting of the films (72), and the top surface of the thick object tends to the plane only by naked eyes observation; at the moment, recording the included angle between the angle adjusting guide rod (71.1) and the horizontal plane, and defining the included angle as A2;
s8: keeping the angle of A2 unchanged, attaching the film (72) to the two sides of the foaming sponge (10) and driving with the foaming sponge (10), and finishing one-time foaming work when the foaming sponge (10) is fully distributed in the whole foaming gallery (1).
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210061756U (en) * | 2019-05-06 | 2020-02-14 | 江苏华艺泡棉科技有限公司 | Sponge foaming equipment |
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| CN111660486A (en) * | 2020-06-09 | 2020-09-15 | 泉州市中务海绵机械有限公司 | Sponge foaming apparatus for producing of adjustable width |
| CN212072630U (en) * | 2020-04-14 | 2020-12-04 | 成都航天烽火精密机电有限公司 | Workpiece rotating device for automatic spraying of nuclear manipulator protective sleeve |
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| US4371488A (en) * | 1981-04-02 | 1983-02-01 | U.C. Industries | Method and apparatus for extruding foamed bodies involving the use of adjustable traction shaping rolls |
| JPS62178826A (en) * | 1986-01-31 | 1987-08-05 | Nippon Air Curtain Kk | Device for preventing harmful gas from diffusing |
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| US20110117828A1 (en) * | 2009-11-18 | 2011-05-19 | National Taiwan University Of Science And Technology | Reverse oblique air curtain exhaust cabinet |
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| CN211105189U (en) * | 2019-11-09 | 2020-07-28 | 泉州玺堡家居科技有限公司 | Cross frame for sponge foaming machine |
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| CN212072630U (en) * | 2020-04-14 | 2020-12-04 | 成都航天烽火精密机电有限公司 | Workpiece rotating device for automatic spraying of nuclear manipulator protective sleeve |
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Application publication date: 20210514 |