CN111672359A - Preparation process of polyurethane adhesive - Google Patents
Preparation process of polyurethane adhesive Download PDFInfo
- Publication number
- CN111672359A CN111672359A CN202010559621.9A CN202010559621A CN111672359A CN 111672359 A CN111672359 A CN 111672359A CN 202010559621 A CN202010559621 A CN 202010559621A CN 111672359 A CN111672359 A CN 111672359A
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- Prior art keywords
- stirring
- wall
- rod
- stirring rod
- adjusting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
- B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
- B01F35/123—Maintenance of mixers using mechanical means using scrapers for cleaning mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/36—Mixing of ingredients for adhesives or glues; Mixing adhesives and gas
Abstract
The invention provides a preparation process of a polyurethane adhesive, which is characterized in that a stirring box, a stirring device and an auxiliary device are matched to complete the preparation of the polyurethane adhesive; the invention can solve the problems that the raw materials of the polyurethane adhesive are mainly adhered in the process of processing and stirring, so that a large amount of raw materials are adhered to the stirring rod after being fully stirred, the stirring effect of the stirring rod is reduced, and the stirring rod cannot fully stir the adhesive mixed liquid in the stirring rod due to the fact that more and more adhesives are adhered to the stirring rod in the past, so that the production of the adhesive is further influenced; and the adhesive deposited on the stirring rod is difficult to clean manually after being condensed.
Description
Technical Field
The invention relates to the technical field of adhesives, in particular to a preparation process of a polyurethane adhesive.
Background
The polyurethane adhesive is an adhesive containing urethane groups or isocyanate groups in molecular chains; polyurethane adhesives are divided into two broad classes, polyisocyanates and polyurethanes. The molecular chain of the polyisocyanate contains isocyano and carbamate groups, so that the polyurethane adhesive shows high activity and polarity. The adhesive has excellent chemical adhesion with substrates containing active hydrogen, such as porous materials of foam, plastic, wood, leather, fabric, paper, ceramic and the like, and materials with smooth surfaces of metal, glass, rubber, plastic and the like.
The raw materials of the polyurethane adhesive mainly have the following problems in the process of processing and stirring: because the polyurethane adhesive is of an adhesive type, a large amount of raw materials are adhered to the stirring rod after being fully stirred, so that the stirring effect of the stirring rod is reduced, and in the past, more and more adhesives are adhered to the stirring rod, so that the stirring rod cannot fully stir the adhesive mixed liquid in the stirring rod, and the production of the adhesive is further influenced; and the adhesive deposited on the stirring rod is difficult to clean manually after being condensed.
In order to fully ensure the cleanness of the surface of the adhesive stirred by the stirring rod each time; the stirring effect of the stirring rod is ensured each time; the invention provides a preparation process of a polyurethane adhesive.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the preparation process of the polyurethane adhesive comprises the following specific steps:
s1, feeding: manually injecting raw materials in a certain proportion into the stirring box;
s2, stirring the rubber material: fully stirring and mixing the mixed rubber materials in the stirring box by a stirring device;
s3, discharging: discharging the adhesive after fully stirring and mixing from the interior of the stirring box, and carrying out centralized bottling treatment;
the preparation of the polyurethane adhesive in the steps S1-S3 needs to be completed by matching a stirring box, a stirring device and an auxiliary device; wherein:
the inner wall of the bottom end of the stirring box is provided with a stirring device, the upper end of the stirring box is covered with an auxiliary device, and the auxiliary device is matched with the stirring device; a support is arranged on the outer wall of the bottom end of the stirring box, and a discharge pipe is arranged on the side wall of the bottom end of the stirring box; a feeding pipe is arranged on the side wall of the upper end of the stirring box;
the stirring device comprises a driving motor, a cylindrical clamping block, an annular sleeve, a hollow shaft rod, a stirring unit and an adjusting unit; the driving motor is installed at the bottom end of the stirring box through a motor base, an output shaft of the driving motor is connected with the lower end of the cylindrical fixture block through a coupler, and a rectangular groove is formed in the upper end face of the cylindrical fixture block; an annular sleeve is arranged on the outer wall of the cylindrical clamping block, the annular sleeve is of a conical structure, and the lower end of the annular sleeve is matched with the inner wall of the bottom end of the stirring box; the lower end surface shaft head of the hollow shaft lever is of a rectangular structure, the lower end of the hollow shaft lever is inserted into the rectangular groove of the cylindrical fixture block, and the upper end shaft head of the hollow shaft lever is connected to the auxiliary device through a bearing; the outer wall of the hollow shaft rod is uniformly provided with stirring units along the axis direction, the adjusting units are arranged inside the hollow shaft rod, and the adjusting units are matched with the stirring units; the upper end of the adjusting unit is connected to the auxiliary device.
The auxiliary device comprises a fixed cover, a rectangular limiting sleeve, a limiting strip, a limiting basket, a sliding block, a gear ring, an execution motor, a driving gear and an auxiliary wheel set; the upper end of the fixed cover is provided with a rectangular groove, and the middle part of the fixed cover is provided with a through hole; an auxiliary wheel set is arranged at the through hole of the fixed cover; rectangular limiting sleeves are symmetrically arranged in the rectangular grooves at the upper ends of the fixing covers, balls are arranged on the inner walls of the rectangular limiting sleeves, the limiting strips are arranged inside the rectangular limiting sleeves in a sliding fit mode, and the opposite limiting strips are connected through limiting baskets; the outer wall of the lower end of the limiting basket is provided with a rope binding ring; the inner walls of two ends of the limiting basket are symmetrically provided with sliding blocks in a sliding fit mode, the sliding blocks are connected through a gear ring, the execution motor is installed on the inner wall of the rectangular groove of the fixed cover through a motor base, an output shaft of the execution motor is provided with a driving gear through a flange, and the driving gear is meshed with the gear ring; the gear ring is driven to move through the work of the execution motor, so that the left and right reciprocating motion of the limiting basket can tighten and loosen the adjusting rope, and the reciprocating motion of the scraping module along the stirring rod is controlled.
The stirring unit comprises a stirring rod, a limiting wheel set, a clamping disc, an adjusting spring, an auxiliary disc, a pull rope, a scraping module, a fixed cylinder and a guide spring; the inner part of the stirring rod is of a cavity structure; a stepped hole is formed in the left end of the stirring rod, the clamping disc is installed at the stepped hole of the stirring rod in a sliding fit mode, a guide hole is formed in the clamping disc, and a ball is arranged on the inner wall of the guide hole through a bearing; the limiting wheel set is arranged at the left end of the stirring rod, the auxiliary disc is arranged inside the stirring rod in a sliding fit mode, through holes are formed in the middle of the auxiliary disc, and the auxiliary disc and the clamping disc are connected through adjusting springs; the outer wall of the stirring rod is provided with an arc-shaped groove, rectangular cutting grooves are formed in the arc-shaped grooves which are vertically symmetrical to each other and communicated with the inside of the stirring rod, and a rubber sleeve with a knife seam corresponding to the rectangular groove on the stirring rod is sleeved on the outer wall of the stirring rod; the outer wall of the stirring rod is provided with a scraping module in a sliding fit mode, and the right end of the pull rope sequentially penetrates through the clamping disc, the adjusting spring and the auxiliary disc to be connected onto the scraping module; the right end of the scraping module is connected to the fixed cylinder through a guide connection spring, and the fixed cylinder is connected with the right end of the stirring rod in a threaded connection mode; the outer wall of the fixed cylinder is provided with a ball which is matched with the inner wall of the stirring box in a movable connection way; the pull rope pulls the scraping module to move along the outer wall of the stirring rod, the cleaning effect on the outer wall of the stirring rod is realized through the scraping module, and in the moving process of the scraping module, the resetting of the scraping module can be realized through the guide connection spring; the adjusting spring is compressed to store certain elastic potential energy in the mutual contact and extrusion process of the scraping module and the auxiliary disc, and the resetting of the scraping module is further promoted through the action of the adjusting spring; the arranged stirring unit ensures the mixing effect of the stirring unit on the internal adhesive by arranging a plurality of stirring rods; on the other hand, the outer wall of the stirring rod is ensured to be clean through the scraping module; the stirring effect of the stirring unit is sufficiently promoted.
The scraping module comprises an adjusting rotating rod, a supporting pull rod, an arc-shaped guide block and a rubber scraping ring; the adjusting rotating rods are of a three-section structure, and two adjacent sections of adjusting rotating rods are connected through bearings; the outer wall of the adjusting rotating rod is provided with threads; the left end of the adjusting rotating rod is provided with a rope binding ring, and the supporting pull rods are uniformly arranged on the outer wall of the adjusting rotating rod in a threaded connection mode; the upper end of the supporting pull rod is connected with an arc-shaped guide block, and the arc-shaped guide block is arranged in an arc-shaped groove of the stirring rod in a sliding fit mode; the frictioning ring is sleeved on the outer wall of the stirring rod and connected to the arc-shaped guide block; according to the thickness of the adhesive attached to the outer wall of the stirring rod; screwing an adjusting rotating rod to control the distance between adjacent glue scraping rings; the adjusting unit drives the scraping module to reciprocate to realize full scraping of the adhesive attached to the outer wall of the stirring rod; thereby ensuring the cleanness of the outer wall of the stirring rod; the stirring using effect of the stirring rod at the later stage is promoted.
The adjusting unit comprises an adjusting rope, a baffle and a rectangular block; the adjusting rope is uniformly provided with a baffle plate, the outer wall of the adjusting rope positioned at the upper end of the baffle plate is sleeved with a rectangular block, a through hole is formed in the rectangular block, and the outer wall of the rectangular block is uniformly provided with a rope binding ring which is mutually fixed with a pull rope; the scraping module is driven to reciprocate along the outer wall of the stirring rod through the movement of the adjusting rope, and the glue solution on the outer wall of the stirring rod is scraped under the action of the scraping module; the arranged adjusting unit can realize the simultaneous control of a plurality of scraping modules; the driving force is reduced.
Preferably; the radius of the glue scraping ring from left to right on the adjusting rotating rod is reduced in sequence; the radius of the glue scraping ring is set to be reduced in sequence, so that the glue solution adhered to the outer wall of the stirring rod can be cleaned gradually by the glue scraping ring, and the problem that the glue solution adhered to the outer wall of the stirring rod is too thick, so that the glue scraping ring is difficult to move is further avoided; the cleaning effect on the glue solution can be improved by gradually reducing the radius of the glue scraping ring.
Preferably; balls are arranged in the through holes of the rectangular blocks and are matched with the adjusting ropes; the through hole of the rectangular block is internally provided with the ball to promote the movement of the adjusting rope, so that the friction force between the adjusting rope and the through hole of the rectangular block is reduced, and the service life and the activity of the adjusting rope are ensured.
The invention has the beneficial effects that:
on one hand, the stirring unit provided by the invention ensures the mixing effect of the stirring unit on the internal adhesive by arranging a plurality of stirring rods; on the other hand, the outer wall of the stirring rod is ensured to be clean through the scraping module; the stirring effect of the stirring unit is fully promoted;
secondly, the adjusting unit drives the scraping module to reciprocate to realize full scraping of the adhesive attached to the outer wall of the stirring rod; thereby ensuring the cleanness of the outer wall of the stirring rod; the later-stage stirring use effect of the stirring rod is promoted;
the radius of the glue scraping ring is set to be sequentially reduced, so that the glue solution adhered to the outer wall of the stirring rod can be cleaned gradually by the glue scraping ring, and the difficulty in movement of the glue scraping ring caused by the fact that the glue solution adhered to the outer wall of the stirring rod is too thick is further avoided; the cleaning effect on the glue solution can be improved by gradually reducing the radius of the glue scraping ring.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the polyurethane adhesive preparation process of the present invention;
FIG. 2 is a front sectional view of the mixing box, mixing device and accessory device of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is an enlarged view of a portion of the invention at B in FIG. 2;
fig. 5 is a cross-sectional view taken along line M-M of fig. 3 in accordance with the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
As shown in fig. 1 to 5, a preparation process of a polyurethane adhesive, specifically comprising the following steps:
s1, feeding: manually injecting raw materials in a certain proportion into the stirring box 1;
s2, stirring the rubber material: fully stirring and mixing the rubber materials mixed in the stirring box 1 through a stirring device 2;
s3, discharging: discharging the adhesive after fully stirring and mixing from the interior of the stirring box 1, and carrying out centralized bottling treatment;
the preparation of the polyurethane adhesive in the steps S1-S3 of the preparation of the polyurethane adhesive needs to be completed by matching the stirring box 1, the stirring device 2 and the auxiliary device 3; wherein:
the inner wall of the bottom end of the stirring box 1 is provided with a stirring device 2, the upper end of the stirring box 1 is covered with an auxiliary device 3, and the auxiliary device 3 is matched with the stirring device 2; a support is arranged on the outer wall of the bottom end of the stirring box 1, and a discharge pipe is arranged on the side wall of the bottom end of the stirring box 1; the upper end lateral wall of agitator tank 1 is provided with the inlet pipe.
The stirring device 2 comprises a driving motor 21, a cylindrical fixture block 22, an annular sleeve 23, a hollow shaft rod 24, a stirring unit 25 and an adjusting unit 26; the driving motor 21 is installed at the bottom end of the stirring box 1 through a motor base, an output shaft of the driving motor 21 is connected with the lower end of the cylindrical fixture block 22 through a coupler, and a rectangular groove is formed in the upper end face of the cylindrical fixture block 22; an annular sleeve 23 is arranged on the outer wall of the cylindrical fixture block 22, the annular sleeve 23 is of a conical structure, and the lower end of the annular sleeve 23 is matched with the inner wall of the bottom end of the stirring box 1; the lower end surface shaft head of the hollow shaft lever 24 is of a rectangular structure, the lower end of the hollow shaft lever 24 is inserted into the rectangular groove of the cylindrical fixture block 22, and the upper end shaft head of the hollow shaft lever 24 is connected to the auxiliary device 3 through a bearing; the outer wall of the hollow shaft rod 24 is uniformly provided with stirring units 25 along the axial direction, the adjusting unit 26 is arranged inside the hollow shaft rod 24, and the adjusting unit 26 is matched with the stirring units 25; the upper end of the adjusting unit 26 is connected to the auxiliary device 3.
The stirring unit 25 comprises a stirring rod 251, a limiting wheel set 252, a clamping disc 253, an adjusting spring 254, an auxiliary disc 255, a pull rope 256, a scraping module 257, a fixed cylinder 258 and a guide connection spring 259; the inner part of the stirring rod 251 is of a cavity structure; a stepped hole is formed at the left end of the stirring rod 251, the clamping disc 253 is installed at the stepped hole of the stirring rod 251 in a sliding fit mode, a guide hole is formed in the clamping disc 253, and a ball is arranged on the inner wall of the guide hole through a bearing; the limiting wheel set 252 is arranged at the left end of the stirring rod 251, the auxiliary disc 255 is arranged inside the stirring rod 251 in a sliding fit manner, through holes are formed in the middle of the auxiliary disc 255, and the clamping disc 253 and the auxiliary disc 255 are connected through an adjusting spring 254; an arc-shaped groove is formed in the outer wall of the stirring rod 251, rectangular cutting grooves are formed in the arc-shaped grooves which are vertically symmetrical to the stirring rod 251 and communicated with the inner portion of the stirring rod 251, and a rubber sleeve with a cutter gap corresponding to the rectangular groove in the stirring rod 251 is sleeved on the outer wall of the stirring rod 251; the outer wall of the stirring rod 251 is provided with a scraping module 257 in a sliding fit manner, and the right end of the pull rope 256 sequentially passes through the clamping disc 253, the adjusting spring 254 and the auxiliary disc 255 and is connected to the scraping module 257; the right end of the scraping module 257 is connected to a fixed cylinder 258 through a guide spring 259, and the fixed cylinder 258 is connected with the right end of the stirring rod 251 through a threaded connection mode; the outer wall of the fixed cylinder 258 is provided with balls in a movable connection mode to be matched with the inner wall of the stirring box 1; the pulling rope 256 pulls the scraping module 257 to move along the outer wall of the stirring rod 251, the scraping module 257 can clean the outer wall of the stirring rod 251, and in the moving process of the scraping module 257, the resetting of the scraping module 257 can be realized through the guide connection spring 259; and the adjusting spring 254 is compressed to store a certain elastic potential energy in the process that the scraping module 257 and the auxiliary disc 255 are pressed in contact with each other, and the resetting of the scraping module 257 is further promoted by the action of the adjusting spring 254; the stirring unit 25 is arranged to ensure the mixing effect of the internal adhesive by arranging a plurality of stirring rods 251; on the other hand, the scraping module 257 ensures the cleanness of the outer wall of the stirring rod 251; the stirring effect of the stirring unit 25 is sufficiently promoted.
The scraping module 257 comprises an adjusting rotating rod 71, a supporting pull rod 72, an arc-shaped guide block 73 and a frictioning ring 74; the adjusting rotating rods 71 are of a three-section structure, and two adjacent sections of adjusting rotating rods 71 are connected through bearings; the outer wall of the adjusting rotating rod 71 is provided with threads; the left end of the adjusting rotating rod 71 is provided with a rope binding ring, and the supporting pull rods 72 are uniformly arranged on the outer wall of the adjusting rotating rod 71 in a threaded connection mode; the upper end of the supporting pull rod 72 is connected with an arc-shaped guide block 73, and the arc-shaped guide block 73 is arranged in an arc-shaped groove of the stirring rod 251 in a sliding fit mode; the frictioning ring 74 is sleeved on the outer wall of the stirring rod 251 and is connected to the arc-shaped guide block 73; the radius of the rubber scraping ring 74 from left to right on the adjusting rotating rod 71 is reduced in sequence; the radii of the glue scraping rings 74 are set to be sequentially reduced, so that the glue liquid adhered to the outer wall of the stirring rod 251 can be gradually cleaned by the glue scraping rings 74, and the problem that the glue liquid adhered to the outer wall of the stirring rod 251 is too thick to cause difficulty in movement of the glue scraping rings 74 is further avoided; the cleaning effect on the glue solution can be improved by gradually reducing the radius of the glue scraping ring 74; according to the thickness of the adhesive attached to the outer wall of the stirring rod 251; the distance between the adjacent scraping rings 74 is controlled by screwing the adjusting rotary rod 71; the adjusting unit 26 drives the scraping module 257 to reciprocate, so that the adhesive attached to the outer wall of the stirring rod 251 is sufficiently scraped; thereby ensuring the cleanness of the outer wall of the stirring rod 251; the later-stage stirring use effect of the stirring rod 251 is promoted.
The adjusting unit 26 comprises an adjusting rope 261, a baffle 262 and a rectangular block 263; the adjusting rope 261 is uniformly provided with a baffle 262, the outer wall of the adjusting rope 261 positioned at the upper end of the baffle 262 is sleeved with a rectangular block 263, a through hole is formed in the rectangular block 263, and a ball is arranged in the through hole of the rectangular block 263 and is matched with the adjusting rope 261; the balls are arranged in the through holes of the rectangular block 263, so that the movement of the adjusting rope 261 is promoted, and the friction force between the adjusting rope 261 and the inside of the through holes of the rectangular block 263 is reduced, so that the service life and the activity of the adjusting rope 261 are ensured; the outer wall of the rectangular block 263 is uniformly provided with a rope binding ring which is fixed with the pull rope 256; the scraping module 257 is driven to reciprocate along the outer wall of the stirring rod 251 through the movement of the adjusting rope 261, and the glue solution on the outer wall of the stirring rod 251 is scraped under the action of the scraping module 257; the adjustment unit 26 is provided to enable simultaneous control of a plurality of doctoring modules 257; the driving force is reduced.
The auxiliary device 3 comprises a fixed cover 31, a rectangular limit sleeve 32, a limit strip 33, a limit basket 34, a slide block 35, a toothed ring 36, an execution motor 37, a driving gear 38 and an auxiliary wheel set 39; a rectangular groove is formed in the upper end of the fixed cover 31, and a through hole is formed in the middle of the fixed cover 31; an auxiliary wheel set 39 is arranged at the through hole of the fixed cover 31; rectangular limiting sleeves 32 are symmetrically arranged in rectangular grooves in the upper end of the fixed cover 31, balls are arranged on the inner walls of the rectangular limiting sleeves 32, the limiting strips 33 are arranged inside the rectangular limiting sleeves 32 in a sliding fit mode, and the opposite limiting strips 33 are connected through limiting baskets 34; the outer wall of the lower end of the limiting basket 34 is provided with a rope binding ring; the inner walls of two ends of the limiting basket 34 are symmetrically provided with sliding blocks 35 in a sliding fit mode, the sliding blocks 35 are connected through a toothed ring 36, the execution motor 37 is installed on the inner wall of the rectangular groove of the fixed cover 31 through a motor base, the output shaft of the execution motor 37 is provided with a driving gear 38 through a flange, and the driving gear 38 is meshed with the toothed ring 36; the actuating motor 37 is operated to move the toothed ring 36, so that the limiting basket 34 reciprocates left and right to tighten and loosen the adjusting rope 261, thereby controlling the scraping module 257 to reciprocate along the stirring rod 251.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A preparation process of a polyurethane adhesive is characterized by comprising the following steps: the preparation process of the polyurethane adhesive comprises the following steps:
s1, feeding: manually injecting raw materials in a certain proportion into the stirring box (1);
s2, stirring the rubber material: fully stirring and mixing the rubber materials mixed in the stirring box (1) through a stirring device (2);
s3, discharging: discharging the adhesive after fully stirring and mixing from the inside of the stirring box (1) for centralized bottling treatment;
the preparation of the polyurethane adhesive in the steps S1-S3 needs to be completed by matching the stirring box (1), the stirring device (2) and the auxiliary device (3); wherein:
the inner wall of the bottom end of the stirring box (1) is provided with a stirring device (2), the upper end of the stirring box (1) is covered with an auxiliary device (3), and the auxiliary device (3) is matched with the stirring device (2); a support is arranged on the outer wall of the bottom end of the stirring box (1), and a discharge pipe is arranged on the side wall of the bottom end of the stirring box (1); a feeding pipe is arranged on the side wall of the upper end of the stirring box (1);
the stirring device (2) comprises a driving motor (21), a cylindrical fixture block (22), an annular sleeve (23), a hollow shaft rod (24), a stirring unit (25) and an adjusting unit (26); the driving motor (21) is installed at the bottom end of the stirring box (1) through a motor base, an output shaft of the driving motor (21) is connected with the lower end of the cylindrical fixture block (22) through a coupler, and a rectangular groove is formed in the upper end face of the cylindrical fixture block (22); an annular sleeve (23) is arranged on the outer wall of the cylindrical fixture block (22), the annular sleeve (23) is of a conical structure, and the lower end of the annular sleeve (23) is matched with the inner wall of the bottom end of the stirring box (1); the lower end surface shaft head of the hollow shaft lever (24) is of a rectangular structure, the lower end of the hollow shaft lever (24) is inserted into the rectangular groove of the cylindrical fixture block (22), and the upper end shaft head of the hollow shaft lever (24) is connected to the auxiliary device (3) through a bearing; the outer wall of the hollow shaft rod (24) is uniformly provided with stirring units (25) along the axial direction of the hollow shaft rod, the adjusting units (26) are arranged inside the hollow shaft rod (24), and the adjusting units (26) are matched with the stirring units (25); the upper end of the adjusting unit (26) is connected to the auxiliary device (3);
the auxiliary device (3) comprises a fixed cover (31), a rectangular limit sleeve (32), a limit strip (33), a limit basket (34), a sliding block (35), a toothed ring (36), an execution motor (37), a driving gear (38) and an auxiliary wheel set (39); the upper end of the fixed cover (31) is provided with a rectangular groove, and the middle part of the fixed cover (31) is provided with a through hole; an auxiliary wheel set (39) is arranged at the through hole of the fixed cover (31); rectangular limiting sleeves (32) are symmetrically arranged in the rectangular groove at the upper end of the fixed cover (31), balls are arranged on the inner walls of the rectangular limiting sleeves (32), the limiting strips (33) are arranged inside the rectangular limiting sleeves (32) in a sliding fit mode, and the opposite limiting strips (33) are connected through limiting baskets (34); the outer wall of the lower end of the limiting basket (34) is provided with a rope binding ring; the inner walls of two ends of the limiting basket (34) are symmetrically provided with sliding blocks (35) in a sliding fit mode, the sliding blocks (35) are connected through a toothed ring (36), an execution motor (37) is installed on the inner wall of a rectangular groove of the fixed cover (31) through a motor base, an output shaft of the execution motor (37) is provided with a driving gear (38) through a flange, and the driving gear (38) is meshed with the toothed ring (36).
2. The process for preparing a polyurethane adhesive according to claim 1, wherein: the stirring unit (25) comprises a stirring rod (251), a limiting wheel set (252), a clamping disc (253), an adjusting spring (254), an auxiliary disc (255), a pull rope (256), a scraping module (257), a fixed cylinder (258) and a guide connecting spring (259); the inner part of the stirring rod (251) is of a cavity structure; a stepped hole is formed in the left end of the stirring rod (251), the clamping disc (253) is installed at the stepped hole of the stirring rod (251) in a sliding fit mode, a guide hole is formed in the clamping disc (253), and a ball is arranged on the inner wall of the guide hole through a bearing; the limiting wheel set (252) is arranged at the left end of the stirring rod (251), the auxiliary disc (255) is arranged inside the stirring rod (251) in a sliding fit mode, through holes are formed in the middle of the auxiliary disc (255), and the auxiliary disc (255) is connected with the clamping disc (253) through an adjusting spring (254); an arc-shaped groove is formed in the outer wall of the stirring rod (251), rectangular cutting grooves are formed in the arc-shaped grooves which are vertically symmetrical in the stirring rod (251) and communicated with the inside of the stirring rod (251), and a rubber sleeve with a cutter gap corresponding to the rectangular groove in the stirring rod (251) is sleeved on the outer wall of the stirring rod (251); the outer wall of the stirring rod (251) is provided with a scraping module (257) in a sliding fit mode, and the right end of the pull rope (256) sequentially penetrates through the clamping disc (253), the adjusting spring (254) and the auxiliary disc (255) to be connected onto the scraping module (257); the right end of the scraping module (257) is connected to a fixed cylinder (258) through a guide connection spring (259), and the fixed cylinder (258) is connected with the right end of the stirring rod (251) in a threaded connection mode; the outer wall of the fixed cylinder (258) is provided with balls which are matched with the inner wall of the stirring box (1) in a movable connection mode.
3. The process for preparing a polyurethane adhesive according to claim 1, wherein: the scraping module (257) comprises an adjusting rotating rod (71), a supporting pull rod (72), an arc-shaped guide block (73) and a glue scraping ring (74); the adjusting rotating rods (71) are of a three-section structure, and two adjacent sections of adjusting rotating rods (71) are connected through bearings; the outer wall of the adjusting rotating rod (71) is provided with threads; the left end of the adjusting rotating rod (71) is provided with a rope binding ring, and the supporting pull rod (72) is uniformly arranged on the outer wall of the adjusting rotating rod (71) in a threaded connection mode; the upper end of the supporting pull rod (72) is connected with an arc-shaped guide block (73), and the arc-shaped guide block (73) is arranged in an arc-shaped groove of the stirring rod (251) in a sliding fit mode; the outer wall of the stirring rod (251) is sleeved with the glue scraping ring (74) and connected to the arc-shaped guide block (73).
4. The process for preparing a polyurethane adhesive according to claim 1, wherein: the adjusting unit (26) comprises an adjusting rope (261), a baffle (262) and a rectangular block (263); adjust rope (261) on evenly be provided with baffle (262), be located the regulation rope (261) outer wall cover of baffle (262) upper end and be equipped with rectangular block (263), rectangular block (263) inside be provided with the through-hole, rectangular block (263) outer wall evenly be provided with restraint rope ring and stay cord (256) reciprocal anchorage.
5. The process for preparing a polyurethane adhesive according to claim 3, wherein: the radius of the glue scraping ring (74) from left to right on the adjusting rotating rod (71) is reduced in sequence.
6. The process for preparing polyurethane adhesive according to claim 4, wherein: the through hole of the rectangular block (263) is internally provided with a ball which is matched with the adjusting rope (261).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010559621.9A CN111672359A (en) | 2020-06-18 | 2020-06-18 | Preparation process of polyurethane adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112354413A (en) * | 2020-11-10 | 2021-02-12 | 湖南塑源特科技有限公司 | Coating apparatus for producing is used in casting |
| CN113290723A (en) * | 2021-04-19 | 2021-08-24 | 刘斌 | Preparation and processing method of synthetic polymer sealing material |
| CN113510848A (en) * | 2021-05-14 | 2021-10-19 | 贵州江河水利电力建设工程有限公司 | Concrete stirring device convenient to clean and used for hydraulic engineering and using method |
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Application publication date: 20200918 |