CN112721101A - Extrusion molding process for rubber products - Google Patents
Extrusion molding process for rubber products Download PDFInfo
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- CN112721101A CN112721101A CN202011495954.6A CN202011495954A CN112721101A CN 112721101 A CN112721101 A CN 112721101A CN 202011495954 A CN202011495954 A CN 202011495954A CN 112721101 A CN112721101 A CN 112721101A
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- extrusion molding
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to an extrusion molding process of rubber products, which mainly comprises the following steps: extrusion molding, product conveying, cooling and shaping, slitting and collecting and the like, and the process adopts the following machinery: this machinery includes unable adjustment base, extrusion molding device, U template, live-rollers and conveyer belt, the left side of unable adjustment base up end install the extrusion molding device, the U template is installed to the left and right sides symmetry of unable adjustment base up end, the upper end of U template is rotated and is provided with the live-rollers, even has the conveyer belt between the live-rollers. The invention can solve the problems that the freshly formed edge-covering rubber strip is easy to deform in the conveying and collecting processes, the appearance effect and the protective sealing degree of the edge-covering rubber strip can be influenced, meanwhile, when the edge-covering rubber strip is formed by extrusion molding, hot-melt rubber raw materials are usually directly extruded, the rubber raw materials are easy to cool and solidify, the mixing degree of the hot-melt rubber raw materials is poor, the uniform distribution degree of the raw materials is low during forming, the quality of the edge-covering rubber strip is reduced, and the like.
Description
Technical Field
The invention relates to the technical field of rubber molding, in particular to an extrusion molding process of a rubber product.
Background
The rubber is a high-elasticity polymer material with reversible deformation, has elasticity at room temperature, can generate large deformation under the action of small external force, can recover the original shape after the external force is removed, and belongs to a completely amorphous polymer. The rubber is divided into two types, namely natural rubber and synthetic rubber, wherein the natural rubber is prepared by extracting colloid from plants such as rubber trees, rubber grasses and the like and then processing the colloid, and the synthetic rubber is prepared by polymerizing various monomers. At present, rubber products are widely applied to industrial and living square surfaces, and the edge-wrapping rubber strip is a widely applied rubber product, is an edge-sealing product produced by PVC rubber, is mainly used in various furniture door edge-sealing strips, toughened glass edge-sealing strips, hardware product opening-protecting strips, metal product opening-protecting rubber strips, oil tank edge-sealing rubber strips, trunk edge-sealing strips, lamp decoration strips and the like, and plays roles of edge-protecting sealing, decorating attractiveness and scratch prevention.
At present, when the edge-covering adhesive tape is molded, the following defects generally exist: 1. according to the traditional edge-covering adhesive tape extrusion molding process, the edge-covering adhesive tape is directly conveyed and collected after being molded, and the edge-covering adhesive tape which is not completely cooled is easy to deform in the conveying and collecting processes, so that the appearance of the edge-covering adhesive tape is changed, and the appearance effect and the protective sealing degree of the edge-covering adhesive tape are influenced; 2. traditional rubber strip extrusion molding technology of borduring carries out extrusion molding to the rubber strip of borduring, directly extrudees the rubber materials of hot melt usually, if the longer rubber materials of extrusion molding time cools off solidification easily, and hot melt rubber materials mixing degree is not good, and raw materials evenly distributed's degree is lower during the shaping, has reduced the rubber strip quality of borduring.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the traditional edge-covering rubber strip extrusion molding process directly conveys and collects the edge-covering rubber strip after the edge-covering rubber strip is molded, the appearance of the edge-covering rubber strip is changed due to the fact that the edge-covering rubber strip which is not completely cooled is easy to deform in the conveying and collecting processes, the appearance effect and the protective sealing degree of the edge-covering rubber strip are influenced, meanwhile, when the edge-covering rubber strip is subjected to extrusion molding, hot-melt rubber raw materials are usually directly extruded, if the extrusion molding time is longer, the rubber raw materials are easy to cool and solidify, the mixing degree of the hot-melt rubber raw materials is poor, the uniform distribution degree of the raw materials is low during molding, the quality of the.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the process for extruding and molding the rubber product adopts the following machinery: this machinery includes unable adjustment base, extrusion molding device, U template, live-rollers and conveyer belt, the left side of unable adjustment base up end install the extrusion molding device, the U template is installed to the left and right sides symmetry of unable adjustment base up end, the upper end of U template is rotated and is provided with the live-rollers, even has the conveyer belt between the live-rollers.
The fixed base comprises a fixed bottom plate, a driving mechanism, a connecting rod, a working frame, a cooling mechanism, a driving motor and a shaping mechanism, wherein the driving mechanism is arranged at the rear side on the right side of the upper end surface of the fixed bottom plate, the connecting rod is symmetrically arranged at the front side and the rear side of the middle part of the upper end of the fixed bottom plate, the working frame is connected above the connecting rod, the cooling mechanism is arranged at the left side of the working frame, the driving motor is arranged at the middle part of the upper end of the working frame through a first motor base, the shaping mechanism is connected to the lower side of the driving motor, during specific work, a strip wrapping rubber edge formed by extrusion molding on an extrusion molding device falls onto the upper end surface of a conveying belt, the rotating roller on the right side is driven by the driving mechanism to rotate, the conveying belt is further driven to move, the rotating roller on the left side, and then the driving motor drives the shaping mechanism to work, so that the shaping mechanism drives the wrapping strip rubber edge to move rightwards and shapes the thinner side edges of the two sides of the wrapping strip rubber edge.
The extrusion molding device comprises a mounting frame, a mounting plate, a mounting cylinder, a connecting plate, an extrusion molding mechanism, a sliding rod and a limiting spring, wherein the mounting frame is mounted on the left side of the upper end of a fixed bottom plate, the mounting plate is symmetrically mounted in the front and back of the middle part of the mounting frame, the mounting cylinder is connected between the mounting plates, the cylinder is mounted in the middle part of the upper end of the mounting frame through a cylinder base, the connecting plate is fixed on the ejection end of the lower side of the cylinder, the extrusion molding mechanism is arranged at the lower end of the connecting plate, the sliding rod is symmetrically mounted on the front side and the back side of the connecting plate and is arranged at the upper end of the mounting frame in a sliding manner, the limiting spring is connected between the sliding rod and the mounting frame, when the extrusion molding device works, the connecting plate is pushed by the, the limiting spring plays a role in limiting and supporting, and the connection strength between the ejection end of the cylinder and the connecting plate is enhanced.
The extrusion molding mechanism comprises a driving motor, an extrusion circular plate, an annular sliding groove, a limiting sliding plate, a first connecting block, a second connecting block, a first stirring rod, a second stirring rod and a third stirring rod, the middle part of the lower end of the connecting plate is provided with the driving motor through a second motor base, the output end of the driving motor is connected with the extrusion circular plate, the upper end surface of the extrusion circular plate is provided with the annular sliding groove, the front end and the rear end in the annular sliding groove are provided with the limiting sliding plate in a sliding manner, the upper end of the limiting sliding plate is arranged on the connecting plate, the middle part of the lower end of the extrusion circular plate is fixedly provided with the first connecting block, the bottom wall of the lower end surface of the mounting cylinder is rotatably provided with the second connecting block, the lower side of the first connecting block is provided with the first stirring rod in a bilateral symmetry manner through a hinge, the upper side of the second connecting block is provided with, the first stirring rod on the right side and the second stirring rod on the left side are rotatably connected with a third stirring rod, the third stirring rod is connected with the third stirring rod through a pin shaft, the connecting plate is pushed to move downwards through the air cylinder during specific work, the connecting plate drives the extrusion circular plate to enter the working cylinder, the hot-melt rubber raw material is gradually extruded and flows out from the extrusion opening and is formed, meanwhile, the extrusion circular plate is driven to rotate through the driving motor, the limiting sliding plate further slides in the annular sliding groove, the load of the driving motor can be reduced when the extrusion circular plate is driven to rotate by the driving motor through the arrangement of the limiting sliding plate and the annular sliding groove, the extrusion circular plate rotates while moving downwards, the first connecting block is synchronously driven to rotate, at the moment, the first stirring rod drives the second stirring rod, the third stirring rod and the second connecting block to rotate, and the hot-melt rubber raw material in the working cylinder, when the extrusion circular plate moves downwards, the first stirring rod opens towards two sides, and the third stirring rod synchronously drives the second stirring rod to open towards two sides, so that the stirring area is reduced, the stirring unit is compressed, and the hot-melt rubber raw material is smoothly extruded.
The shaping mechanism comprises a first gear, a transmission belt, a first connecting shaft, shaping rollers, a second gear, a third gear and a second connecting shaft, the first gear is uniformly arranged at the upper end of the working frame in a rotating mode, the first gear at the middle position is connected with an output shaft of a driving motor, the transmission belt is meshed between the first gears, the first connecting shaft is arranged at the lower end of the first gear, the shaping rollers are fixed on the lower side of the first connecting shaft, the second gear is arranged on the upper side of the first connecting shaft, the third gear is meshed with the right side of the second gear, the third gear is arranged in the working frame in a rotating mode through the second connecting shaft, the shaping rollers are arranged on the outer wall of the lower side of the second connecting shaft, during specific working, the first gear at the position between the driving motor is driven to rotate, the transmission belt is driven to move, the first gear which is uniformly arranged is driven to synchronously rotate through the transmission belt, so that the first connecting, meanwhile, the second gear arranged on the upper side of the first connecting shaft drives the third gear to rotate, so that the second connecting shaft is driven to rotate, the lower side-mounted shaping rollers are driven to roll and shape the two side edges of the edge-covering rubber strip through synchronous rotation of the first connecting shaft and the second connecting shaft, and the edge-covering rubber strip is driven to be transported to the right side in an auxiliary manner.
When the machine is adopted for extrusion molding of rubber products, the method also comprises the following steps:
s1, extrusion molding: putting the hot-melt rubber product raw material into an installation cylinder, and extruding the hot-melt rubber product while stirring through an extrusion molding mechanism, so that the molding effect is better;
s2, conveying products: the right rotating roller is driven to rotate by the driving mechanism, so that the conveyor belt drives the formed rubber edge of the wrapping strip to move rightwards;
s3, cooling and shaping: the conveyor belt drives the package strip adhesive edge to enter the working frame, and the package strip adhesive edge is shaped through the shaping mechanism after being cooled through the cooling mechanism, so that the package strip adhesive edge in the shape is reinforced;
s4, slitting and collecting: after cooling and shaping, cutting the wrapping strip adhesive edge by a certain length and collecting.
Preferably, the installation cylinder comprises a working cylinder, a rectangular plate, an extrusion opening and a circulation cavity, the working cylinder is connected between the installation plates, the rectangular plate is installed in the middle of the lower end of the working cylinder, the extrusion opening is uniformly formed in the lower side of the right end of the rectangular plate, and the circulation cavity is communicated between the extrusion opening and the working cylinder.
Preferably, the driving mechanism comprises a transmission gear, a driving gear and a motor, the rear end of the rotating roller on the right side is connected with the transmission gear, the driving gear is meshed with the lower side of the transmission gear, the driving gear is connected with an output shaft of the motor, and the motor is installed on the right rear side of the upper end of the fixed base through a third motor base.
Preferably, the cooling mechanism include the air blowing chamber, communicating pipe and air pump, the air blowing chamber has been seted up on the left side of work frame upper end inner wall, the air blowing chamber is connected with the air pump through the communicating pipe of symmetry intercommunication around, the air pump passes through the air pump pedestal mounting in the upper end left side of work frame.
Preferably, the left side and the right side of the lower end of the working frame are symmetrically provided with the extrusion plates, and the cross sections of the extrusion plates are triangular, so that the binding rubber strips can be conveniently separated from the conveying belt and enter the working frame.
Preferably, the inner wall of the lower end of the working frame is uniformly provided with shaping strips, and the two side edges of the edge-covering adhesive tape are shaped through limiting extrusion between the shaping strips and the shaping rollers.
(III) advantageous effects
1. According to the extrusion molding process for the rubber product, mechanical equipment capable of stirring and mixing hot-melt rubber raw materials during extrusion molding is designed, the quality of the rubber product is improved, the rubber raw materials are uniformly distributed, and the rubber product is cooled and shaped again after molding, so that the shape of a rubber strip for wrapping is prevented from being deformed;
2. according to the extrusion molding process of the rubber product, the telescopic stirring unit in the extrusion molding mechanism is adopted, so that the hot-melt rubber raw material in the mounting cylinder can be extruded while stirring, and meanwhile, the hot-melt rubber raw material is not easy to cool and solidify;
3. according to the extrusion molding process for the rubber product, the two sides of the extruded edge-covering rubber strip are molded through the molding rollers and the molding strips which are arranged in the molding mechanism in a limited position, so that the condition that the extruded edge-covering rubber strip is easy to deform in the conveying and collecting processes is avoided, the appearance effect of the edge-covering rubber strip is enhanced, and the sealing degree is protected.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a schematic view of a first perspective structure of the present invention;
FIG. 3 is a second perspective view of the present invention;
FIG. 4 is a partial cross-sectional view of an extrusion apparatus of the present invention;
FIG. 5 is a partial cross-sectional view of the present invention between the connecting rod, the work frame and the setting mechanism;
FIG. 6 is a partial cross-sectional view of the cooling mechanism of the present invention;
FIG. 7 is an enlarged view of a portion of the invention at X of FIG. 2;
FIG. 8 is an enlarged view of a portion of the invention at Y of FIG. 3;
fig. 9 is an enlarged view of the invention at Z of fig. 5.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 9, a process for extrusion molding of a rubber article, which employs the following machinery: this machinery includes unable adjustment base 1, extrusion molding device 2, U template 3, live-rollers 4 and conveyer belt 5, the left side of 1 up end of unable adjustment base install extrusion molding device 2, U template 3 is installed to the left and right sides symmetry of 1 up end of unable adjustment base, the upper end of U template 3 is rotated and is provided with live-rollers 4, even has conveyer belt 5 between live-rollers 4.
The fixed base 1 comprises a fixed bottom plate 11, a driving mechanism 12, a connecting rod 13, a working frame 14, a cooling mechanism 15, a driving motor 16 and a shaping mechanism 17, wherein the driving mechanism 12 is installed on the rear side of the right side of the upper end face of the fixed bottom plate 11, the connecting rod 13 is symmetrically installed on the front side and the rear side of the middle part of the upper end of the fixed bottom plate 11, the working frame 14 is connected above the connecting rod 13, the cooling mechanism 15 is arranged on the left side of the working frame 14, the driving motor 16 is installed on the middle part of the upper end of the working frame 14 through a first motor base, and the shaping mechanism 17; the left side and the right side of the lower end of the working frame 14 are symmetrically provided with the extrusion plates, and the cross sections of the extrusion plates are triangular, so that the edge-covering adhesive tape can be conveniently separated from the conveyor belt 5 and enter the working frame 14; evenly install the shaped strip on the inner wall of work frame 14 lower extreme, through spacing extrusion between shaped strip and the shaping roller 174, carry out the design processing to the rubber strip both sides limit of borduring, concrete during operation, extrusion molding's package strip is glued the limit and is fallen conveyer belt 5 up end on extrusion molding device 2, it rotates to drive live-rollers 4 on right side through actuating mechanism 12, and then make conveyer belt 5 move, it rotates to drive left live-rollers 4 in step, the upper end of conveyer belt 5 moves right, thereby the package strip of driving conveyer belt 5 up end is glued the limit and is moved right, and enter in work frame 14, after cooling down through cooling body 15, rethread driving motor 16 drives the work of forming mechanism 17, when making the forming mechanism 17 drive package strip and glue the limit and move right, the thinner side in both sides of package strip is glued the limit and is stereotyped.
The driving mechanism 12 comprises a transmission gear 121, a driving gear 122 and a motor 123, the rear end of the right rotating roller 4 is connected with the transmission gear 121, the driving gear 122 is meshed with the lower side of the transmission gear 121, the driving gear 122 is connected with an output shaft of the motor 123, the motor 123 is installed on the right rear side of the upper end of the fixed base 1 through a third motor base, and during specific work, the driving gear 122 is driven to rotate through the motor 123 to further drive the transmission gear 121 to rotate, so that the right rotating roller 4 is driven to rotate, and the conveying belt 5 is used for conveying and edge covering rubber strips.
The shaping mechanism 17 comprises a first gear 171, a transmission belt 172, a first connecting shaft 173, shaping rollers 174, a second gear 175, a third gear 176 and a second connecting shaft 177, the upper end of the working frame 14 is uniformly provided with the first gear 171 in a rotating manner, the first gear 171 in the middle position is connected with an output shaft of the driving motor 16, the transmission belt 172 is meshed between the first gears 171, the first connecting shaft 173 is installed at the lower end of the first gear 171, the shaping rollers 174 are fixed at the lower side of the first connecting shaft 173, the second gear 175 is installed at the upper side of the first connecting shaft 173, the third gear 176 is meshed at the right side of the second gear 175, the third gear 176 is rotatably installed in the working frame 14 through the second connecting shaft 177, the shaping rollers 174 are installed on the outer wall of the lower side of the second connecting shaft 177, during specific work, the first gear 171 in the middle position is driven by the driving motor 16 to rotate, so as to drive the transmission belt 172 to move, the first gear 171 uniformly arranged is driven by the transmission belt 172 to synchronously rotate, therefore, the first connecting shaft 173 rotates, the second gear 175 mounted on the upper side of the first connecting shaft 173 drives the third gear 176 to rotate, the second connecting shaft 177 is driven to rotate, the shaping rollers 174 mounted on the lower side are driven to roll and shape the two side edges of the edge-covering adhesive tape through synchronous rotation of the first connecting shaft 173 and the second connecting shaft 177, and the edge-covering adhesive tape is driven to be transported to the right side in an auxiliary mode.
The extrusion molding device 2 comprises a mounting frame 21, a mounting plate 22, a mounting cylinder 23, a cylinder 24, a connecting plate 25, an extrusion molding mechanism 26, a sliding rod 27 and a limiting spring 28, wherein the mounting frame 21 is mounted on the left side of the upper end of a fixed bottom plate 11, the mounting plate 22 is symmetrically mounted in the front and back of the middle of the mounting frame 21, the mounting cylinder 23 is connected between the mounting plates 22, the cylinder 24 is mounted in the middle of the upper end of the mounting frame 21 through a cylinder base, the connecting plate 25 is fixed on the ejection end of the lower side of the cylinder 24, the extrusion molding mechanism 26 is arranged at the lower end of the connecting plate 25, the sliding rods 27 are symmetrically mounted on the front and back sides of the connecting plate 25, the sliding rods 27 are slidably arranged at the upper end of the mounting frame 21, the limiting spring 28 is connected between the sliding rods 27 and the mounting frame 21, when the extrusion molding device works, meanwhile, the connecting plate 25 drives the sliding rod 27 to move downwards and extrude the limiting spring 28 to be elastic, and the limiting spring 28 plays a role in limiting and supporting at the moment and strengthens the connection strength between the ejection end of the air cylinder 24 and the connecting plate 25.
The installation cylinder 23 comprises a working cylinder 231, a rectangular plate 232, extrusion ports 233 and a circulation cavity 234, the working cylinder 231 is connected between the installation plates 22, the rectangular plate 232 is installed in the middle of the lower end of the working cylinder 231, the extrusion ports 233 are evenly formed in the lower side of the right end of the rectangular plate 232, the circulation cavity 234 is communicated between the extrusion ports 233 and the working cylinder 231, and during specific work, hot-melt rubber raw materials are placed into the working cylinder 231, extruded from the circulation cavity 234 formed in the bottom wall of the working cylinder 231 through the extrusion molding mechanism 26 and extruded from the extrusion ports 233 which are evenly formed in the rectangular plate 232 and are in a fixed shape, so that molding is achieved.
The extrusion molding mechanism 26 comprises a driving motor 261, an extrusion circular plate 262, an annular chute 263, a limiting sliding plate 264, a first connecting block 265, a second connecting block 266, a first stirring rod 267, a second stirring rod 268 and a third stirring rod 269, wherein the middle part of the lower end of the connecting plate 25 is provided with the driving motor 261 through a second motor base, the output end of the driving motor 261 is connected with the extrusion circular plate 262, the upper end surface of the extrusion circular plate 262 is provided with the annular chute 263, the front end and the rear end in the annular chute 263 are provided with the limiting sliding plate 264 in a sliding manner, the upper end of the limiting sliding plate 264 is arranged on the connecting plate 25, the middle part of the lower end of the extrusion circular plate 262 is fixedly provided with the first connecting block 265, the bottom wall of the lower end surface of the mounting cylinder 23 is rotatably provided with the second connecting block 266, the lower side of the first connecting block 265 is provided with the first stirring rod 266 in a bilateral symmetry manner, a third stirring rod 269 is rotatably connected between the first stirring rod 267 on the left side and the second stirring rod 268 on the right side, a third stirring rod 269 is rotatably connected between the first stirring rod 267 on the right side and the second stirring rod 268 on the left side, and the third stirring rod 269 is connected with the third stirring rod 269 through a pin shaft, during specific work, the connecting plate 25 is pushed by the air cylinder 24 to move downwards, so that the connecting plate 25 drives the extrusion circular plate 262 to enter the working cylinder 231, and the hot-melt rubber raw material is gradually extruded to flow out of the extrusion opening 233 and be formed, meanwhile, the extrusion circular plate 262 is driven to rotate by the driving motor 261, so that the limiting sliding plate 264 slides in the annular sliding groove 263, through the arrangement of the limiting sliding plate 264 and the annular sliding groove 263, the load of the driving motor 261 can be reduced when the extrusion circular plate 262 is driven to rotate by the driving motor 261, the extrusion circular plate 262 rotates while moving, at this moment, the first stirring rod 267 drives the second stirring rod 268, the third stirring rod 269 and the second connecting block 266 to rotate, so as to mix and stir the hot-melted rubber raw materials in the working cylinder 231, when the extrusion circular plate 262 moves downwards, the first stirring rod 267 opens towards both sides, and synchronously drives the second stirring rod 268 to open towards both sides through the third stirring rod 269, so that the stirring area is reduced, and the stirring unit is compressed, so as to smoothly extrude the hot-melted rubber raw materials.
When the machine is adopted for extrusion molding of rubber products, the method also comprises the following steps:
s1, extrusion molding: putting the hot-melt rubber product raw material into the mounting cylinder 23, and extruding the hot-melt rubber product through the extrusion molding mechanism 26 while stirring, so that the molding effect is better;
s2, conveying products: the driving mechanism 12 drives the rotating roller 4 on the right side to rotate, so that the conveyor belt 5 drives the formed rubber edge of the wrapping strip to move rightwards;
s3, cooling and shaping: the conveyor belt 5 drives the strip wrapping adhesive edge to enter the working frame 14, and the strip wrapping adhesive edge is shaped by the shaping mechanism 17 after being cooled by the cooling mechanism 15, so that the strip wrapping adhesive edge in the shape is reinforced;
s4, slitting and collecting: after cooling and shaping, cutting the wrapping strip adhesive edge by a certain length and collecting.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An extrusion molding process of rubber products, which adopts the following machinery: this machinery includes unable adjustment base (1), extrusion molding device (2), U template (3), live-rollers (4) and conveyer belt (5), its characterized in that: the left side of the upper end face of the fixed base (1) is provided with an extrusion molding device (2), the left side and the right side of the upper end face of the fixed base (1) are symmetrically provided with U-shaped plates (3), the upper ends of the U-shaped plates (3) are rotatably provided with rotating rollers (4), and a conveyor belt (5) is connected between the rotating rollers (4);
the fixed base (1) comprises a fixed base plate (11), a driving mechanism (12), a connecting rod (13), a working frame (14), a cooling mechanism (15), a driving motor (16) and a shaping mechanism (17), wherein the driving mechanism (12) is installed on the rear side of the right side of the upper end face of the fixed base plate (11), the connecting rod (13) is symmetrically installed on the front side and the rear side of the middle part of the upper end of the fixed base plate (11), the working frame (14) is connected above the connecting rod (13), the cooling mechanism (15) is arranged on the left side of the working frame (14), the driving motor (16) is installed in the middle part of the upper end of the working frame (14) through a motor base, and the shaping mechanism (17;
the extrusion molding device (2) comprises a mounting frame (21), a mounting plate (22), a mounting cylinder (23), a cylinder (24), a connecting plate (25), an extrusion molding mechanism (26), a sliding rod (27) and a limiting spring (28), the mounting frame (21) is mounted on the left side of the upper end of the fixed bottom plate (11), mounting plates (22) are symmetrically mounted in the front and back of the middle of each mounting frame (21), a mounting cylinder (23) is connected between the mounting plates (22), an air cylinder (24) is mounted in the middle of the upper end of each mounting frame (21) through an air cylinder base, a connecting plate (25) is fixed to the ejection end of the lower side of each air cylinder (24), an extrusion molding mechanism (26) is arranged at the lower end of each connecting plate (25), sliding rods (27) are symmetrically mounted on the front side and the back side of each connecting plate (25), each sliding rod (27) is slidably arranged at the upper end of each mounting frame;
the extrusion molding mechanism (26) comprises a driving motor (261), an extrusion circular plate (262), an annular sliding groove (263), a limiting sliding plate (264), a first connecting block (265), a second connecting block (266), a first stirring rod (267), a second stirring rod (268) and a third stirring rod (269), wherein the middle part of the lower end of the connecting plate (25) is provided with the driving motor (261) through a second motor base, the output end of the driving motor (261) is connected with the extrusion circular plate (262), the upper end surface of the extrusion circular plate (262) is provided with the annular sliding groove (263), the front end and the rear end in the annular sliding groove (263) are provided with the limiting sliding plate (264) in a sliding manner, the upper end of the limiting sliding plate (264) is arranged on the connecting plate (25), the middle part of the lower end of the extrusion circular plate (262) is fixedly provided with the first connecting block (265), the bottom wall of the lower, a first stirring rod (266) is arranged on the lower side of the first connecting block (265) in a bilateral symmetry mode through a first hinge, a second stirring rod (268) is arranged on the upper side of the second connecting block (266) in a bilateral symmetry mode through a second hinge, a third stirring rod (269) is rotatably connected between the left first stirring rod (267) and the right second stirring rod (268), a third stirring rod (269) is rotatably connected between the right first stirring rod (267) and the left second stirring rod (268), and the third stirring rods (269) are connected through pin shafts;
the shaping mechanism (17) comprises a first gear (171), a transmission belt (172), a first connecting shaft (173), a shaping roller (174), a second gear (175), a third gear (176) and a second connecting shaft (177), the upper end of the working frame (14) is uniformly and rotatably provided with a first gear (171), the first gear (171) in the middle is connected with an output shaft of the driving motor (16), a transmission belt (172) is meshed between the first gears (171), a first connecting shaft (173) is installed at the lower end of the first gear (171), a shaping roller (174) is fixed on the lower side of the first connecting shaft (173), a second gear (175) is installed on the upper side of the first connecting shaft (173), a third gear (176) is meshed on the right side of the second gear (175), the third gear (176) is rotatably installed in the working frame (14) through a second connecting shaft (177), and the shaping roller (174) is installed on the outer wall of the lower side of the second connecting shaft (177);
when the machine is adopted for extrusion molding of rubber products, the method also comprises the following steps:
s1, extrusion molding: putting the hot-melt rubber product raw material into an installation cylinder (23), and extruding the hot-melt rubber product while stirring through an extrusion molding mechanism (26), so that the molding effect is better;
s2, conveying products: the right rotating roller (4) is driven to rotate by the driving mechanism (12), and the conveyor belt (5) drives the formed rubber edge of the wrapping strip to move rightwards;
s3, cooling and shaping: the conveyor belt (5) drives the wrapping strip adhesive edge to enter the working frame (14), and the wrapping strip adhesive edge is shaped by the shaping mechanism (17) after being cooled by the cooling mechanism (15) so as to reinforce the wrapping strip adhesive edge in the shape;
s4, slitting and collecting: after cooling and shaping, cutting the wrapping strip adhesive edge by a certain length and collecting.
2. A process of extrusion molding a rubber article according to claim 1, wherein: the installation cylinder (23) comprises a working cylinder (231), a rectangular plate (232), an extrusion port (233) and a circulation cavity (234), the working cylinder (231) is connected between the installation plates (22), the rectangular plate (232) is installed in the middle of the lower end of the working cylinder (231), the extrusion port (233) is evenly formed in the lower side of the right end of the rectangular plate (232), and the circulation cavity (234) is communicated between the extrusion port (233) and the working cylinder (231).
3. A process of extrusion molding a rubber article according to claim 1, wherein: the driving mechanism (12) comprises a transmission gear (121), a driving gear (122) and a motor (123), the rear end of the rotating roller (4) on the right side is connected with the transmission gear (121), the driving gear (122) is meshed with the lower side of the transmission gear (121), the driving gear (122) is connected with an output shaft of the motor (123), and the motor (123) is installed on the right rear side of the upper end of the fixed base (1) through a third motor base.
4. A process of extrusion molding a rubber article according to claim 1, wherein: the cooling mechanism (15) comprises an air blowing cavity (151), a communicating pipe (152) and an air pump (153), the air blowing cavity (151) is formed in the left side of the inner wall of the upper end of the working frame (14), the air blowing cavity (151) is connected with the air pump (153) through the communicating pipe (152) which is symmetrically communicated from front to back, and the air pump (153) is installed on the left side of the upper end of the working frame (14) through an air pump base.
5. A process of extrusion molding a rubber article according to claim 1, wherein: the left side and the right side of the lower end of the working frame (14) are symmetrically provided with the extrusion plates, and the cross sections of the extrusion plates are triangular.
6. A process of extrusion molding a rubber article according to claim 1, wherein: and the inner wall of the lower end of the working frame (14) is uniformly provided with shaping strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495954.6A CN112721101A (en) | 2020-12-17 | 2020-12-17 | Extrusion molding process for rubber products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495954.6A CN112721101A (en) | 2020-12-17 | 2020-12-17 | Extrusion molding process for rubber products |
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| Publication Number | Publication Date |
|---|---|
| CN112721101A true CN112721101A (en) | 2021-04-30 |
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ID=75603896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011495954.6A Withdrawn CN112721101A (en) | 2020-12-17 | 2020-12-17 | Extrusion molding process for rubber products |
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| Country | Link |
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| CN (1) | CN112721101A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465290A (en) * | 2021-06-25 | 2021-10-01 | 福建省喜多多椰果技术研究院有限公司 | Coconut cooling processing system |
| CN117698092A (en) * | 2024-02-06 | 2024-03-15 | 福建宏协承汽车部件有限公司 | Cooling device for extruding automobile glass wrapping strip |
-
2020
- 2020-12-17 CN CN202011495954.6A patent/CN112721101A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465290A (en) * | 2021-06-25 | 2021-10-01 | 福建省喜多多椰果技术研究院有限公司 | Coconut cooling processing system |
| CN113465290B (en) * | 2021-06-25 | 2022-09-09 | 福建省喜多多椰果技术研究院有限公司 | Coconut cooling processing system |
| CN117698092A (en) * | 2024-02-06 | 2024-03-15 | 福建宏协承汽车部件有限公司 | Cooling device for extruding automobile glass wrapping strip |
| CN117698092B (en) * | 2024-02-06 | 2024-04-26 | 福建宏协承汽车部件有限公司 | Cooling device for extruding automobile glass wrapping strip |
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Application publication date: 20210430 |