Hot melting system for PS production

Abstract

The invention discloses a hot melting system for PS (polystyrene) production. The hot melting system comprises a hot melting device, a stirring mechanism, a material control mechanism, a lifting mechanism and a limiting buffer mechanism, and an electric heating plate for heating and hot melting of PS plates is mounted on the inner cavity wall of the hot melting device; the stirring mechanism is installed on the hot melting device in a sliding mode, and the material control mechanism is installed at a discharging opening in the bottom of the hot melting device and used for material blocking control; the lifting mechanism is mounted on the side surface of the top end of the hot melting device and is used for lifting adjustment in the working process of the stirring mechanism; the limiting and buffering mechanism is mounted on the top side of the hot melting device and is used for limiting the stirring mechanism which moves up and down. Raw materials in the hot melting device are rotationally stirred up and down, the hot melting effect of the raw materials is effectively improved, the hot melting uniformity of the raw materials is guaranteed, the hot melting efficiency is improved, and the electric push rod pushes the movable plug to move along the inner cavity of the discharging pipe opening to extrude impurities attached to the inner wall of the discharging pipe.

Description

Technical Field

[0001] The invention relates to the technical field of hot melt systems used in PS production, in particular to a hot melt system used in PS production. Background Art

[0002] PS sheet, also known as organic sheet, is a plastic sheet made of polystyrene (PS for short) as the main raw material. It is widely used in packaging, electrical appliances, construction, transportation, lighting, medicine, industry, advertising and other fields. With the continuous development of the electronics manufacturing industry, the requirements for PS sheet production technology are also constantly increasing to meet the changes in market demand.

[0003] At present, in the hot-melt process used in the production of PS sheets, the PS sheets are easily heated unevenly during the hot-melt process, which greatly reduces the hot-melt effect of the PS. At the same time, the PS after hot-melt is prone to condensation at the discharge pipe mouth, causing the discharge pipe mouth to be blocked and reducing the discharge efficiency. Therefore, we propose a hot-melt system for PS production. Summary of the invention

[0004] In view of the problems mentioned in the background technology, the purpose of the present invention is to provide a hot melt system for PS production to solve the problems mentioned in the background technology.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: a hot melt system used in PS production, including a hot melter, wherein an electric heating plate for heating and melting PS sheets is installed on the inner cavity wall of the hot melter; a stirring mechanism, wherein the stirring mechanism is slidably installed on the hot melter; a material control mechanism, wherein the material control mechanism is installed at the bottom discharge port of the hot melter, and the material control mechanism is used for material blocking control; a lifting mechanism, wherein the lifting mechanism is installed on the top side surface of the hot melter, and the lifting mechanism is used for lifting and lowering adjustment of the stirring mechanism during operation; a limit buffer mechanism, wherein the limit buffer mechanism is installed on the top side of the hot melter, and the limit buffer mechanism is used for limiting the position of the stirring mechanism that moves up and down.

[0006] Furthermore, the hot melt device includes a hot melt shell, a cover plate, support legs and a feed pipe. The support legs are distributed in a herringbone shape on the bottom side of the hot melt shell. The top of the hot melt shell is equipped with a cover plate by fastening bolts, and the bottom of the hot melt shell is fixedly connected to a feed pipe.

[0007] Furthermore, fastening bolts are distributed in an annular pattern on the top surface of the cover plate, and the ends of the fastening bolts penetrate the surface of the cover plate. A feed shell connected to the inner cavity of the hot melt shell is installed on the top side of the cover plate.

[0008] Furthermore, the material control mechanism includes a mounting plate, a cylinder, a sealing plate and a guide rod. The mounting plate is fixedly mounted on the bottom surface of the hot melt shell, the side surface of the mounting plate is fixedly mounted with a cylinder, the output end of the cylinder is fixedly connected to the sealing plate, and the sealing plate is fitted with the bottom end of the discharge pipe.

[0009] Furthermore, two guide rods are fixedly connected to the side surface of the blocking plate, the guide rods are symmetrically distributed with respect to the cylinder, and the guide rods penetrate the side surface of the mounting plate.

[0010] Furthermore, the lifting mechanism includes a hydraulic cylinder, an adjustment plate and a mounting seat, the hydraulic cylinder is fixedly mounted on the top side surface of the hot melt shell, the output end of the hydraulic cylinder is connected to the adjustment plate, and the mounting seat is fixedly mounted on the side surface of the adjustment plate.

[0011] Furthermore, the stirring mechanism includes a stirring motor, a stirring shaft, a rotating seat, a stirring rod, a scraper, a scraper blade and an anti-blocking component. The stirring motor is fixedly mounted on the top side surface of the mounting seat, the output end of the stirring motor is connected to the stirring shaft, the end of the stirring shaft is mounted on the rotating seat, the stirring shaft passes through the surface of the cover plate, a cleaning block for cleaning the hot-melt raw material on the surface of the stirring shaft is mounted on the bottom side of the cover plate, a stirring rod is fixedly mounted on the side surface of the rotating seat, the end of the stirring rod is fixedly connected to the scraper, the bottom end of the scraper is fixedly mounted on the scraper, and the anti-blocking component is mounted on the bottom side of the rotating seat.

[0012] Furthermore, the scraper is fitted with the inner wall of the electric heating plate and the inner wall of the hot melt shell, and the scraper blade on the bottom side of the scraper is fitted with the hot melt shell.

[0013] Furthermore, the anti-blocking component includes an electric push rod, a movable plug, a connecting column, a connecting rod and a scraper block. The electric push rod is fixedly installed in a rotating seat, the output end of the electric push rod is fixedly connected to the movable plug, the bottom side of the movable plug is fixedly connected to the connecting column, the side surface of the connecting column is fixedly connected to the connecting rod, and the end of the connecting rod is fixedly connected to the scraper block.

[0014] Furthermore, the limit buffer mechanism includes a limit column, a first spring, a first limit ring, a second spring, a second limit ring and a top plate, the bottom end of the limit column is fixedly mounted on the top side of the cover plate, the top end of the limit column passes through the surface of the mounting seat, the top end of the limit column is fixedly mounted with the top plate, the bottom end of the limit column is sleeved with the first limit ring, the bottom side of the first limit ring is elastically connected to the top side of the cover plate through the first spring, the top end of the limit column is slidably sleeved with the second limit ring, and the top side of the second limit ring is elastically connected to the bottom side of the top plate through the second spring.

[0015] In summary, the present invention mainly has the following beneficial effects:

[0016] 1. During use, under the action of the lifting mechanism, the lifting structure drives the stirring mechanism to lift and stir on the surface of the cover plate, so as to realize up and down rotation and stirring of the raw materials in the hot melter, effectively improving the hot melting effect of the raw materials, ensuring the hot melting uniformity of the raw materials, and improving the hot melting efficiency. When the stirring shaft is moving, the cleaning block is sleeved on the surface of the stirring shaft, which is convenient for cleaning the hot melt raw materials adhered to the surface of the stirring shaft. At the same time, under the action of the limit buffer mechanism, the lifting mechanism is convenient for limiting the stirring mechanism to ensure that the stirring mechanism can move stably in the hot melter and improve the working stability of the stirring mechanism.

[0017] 2. When discharging the hot-melt raw materials, the stirring shaft drives the scraper and blade on the side surface to scrape the adhesive on the hot-melt shell and the inner wall of the heating plate to avoid continuous adhesion and residue, so as to facilitate complete discharge and avoid waste.

[0018] 3. When the hot-melt raw material needs to be discharged, the sealing plate is pushed by the cylinder to move, which is convenient for starting and stopping the discharge of the discharge pipe. Before the discharge is completed, the lifting mechanism adjusts the anti-blocking component at the bottom to move downward, and the mobile plug blocks the inner cavity of the discharge pipe. Then, the electric push rod is used to push the mobile plug to move along the inner cavity of the discharge pipe mouth to squeeze out the impurities adhering to the inner wall of the discharge pipe. After ensuring the cleanliness of the discharge pipe, the mobile plug moves up. When the connecting column at the bottom enters the discharge pipe, the cylinder drives the sealing plate to seal it, so as to solve the problem of blockage at the discharge pipe mouth and reduce the discharge efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0020] Figure 2 It is a three-dimensional schematic diagram of the other side of the present invention as a whole;

[0021] Figure 3 It is a schematic front cross-sectional view of the whole invention;

[0022] Figure 4 This is a schematic diagram of the top view of the connection structure of the cover plate surface of the present invention;

[0023] Figure 5 It is a schematic diagram of the surface connection structure of the rotating seat of the present invention.

[0024] In the figure:

[0025] 1. Hot melt device; 11. Hot melt shell; 12. Feeding pipe; 13. Support legs; 14. Cover plate; 15. Fastening bolts; 16. Feeding shell;

[0026] 2. Material control mechanism; 21. Mounting plate; 22. Cylinder; 23. Blocking plate; 24. Guide rod;

[0027] 3. Electric heating plate;

[0028] 4. Lifting mechanism; 41. Hydraulic cylinder; 42. Adjusting plate; 43. Mounting seat;

[0029] 5. Stirring mechanism; 51. Stirring motor; 52. Stirring shaft; 53. Cleaning block; 54. Rotating seat; 55. Stirring rod; 56. Scraper; 57. Scraper; 58. Anti-blocking assembly; 581. Electric push rod; 582. Moving plug; 583. Connecting column; 584. Connecting rod; 585. Scraper;

[0030] 6. Limiting buffer mechanism; 61. Limiting column; 62. First spring; 63. First limiting ring; 64. Top plate; 65. Second spring; 66. Second limiting ring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] according to Figure 1-Figure 5 As shown, Example 1 includes a hot melter, a stirring mechanism, a material controlling mechanism, a lifting mechanism and a limit buffer mechanism. An electric heating plate for heating and melting PS sheet raw materials is installed on the inner wall of the hot melter; the stirring mechanism is slidably installed on the hot melter; the lifting mechanism is installed on the top side surface of the hot melter, and the lifting mechanism is used for lifting and lowering the stirring mechanism during operation; the limit buffer mechanism is installed on the top side of the hot melter, and the limit buffer mechanism is used for limiting the stirring mechanism during lifting and lowering.

[0033] The hot melt device includes a hot melt shell, a cover plate, support legs and a feed pipe. The support legs are distributed in a herringbone shape on the bottom side of the hot melt shell. A cover plate is installed on the top of the hot melt shell through fastening bolts. The bottom end of the hot melt shell is fixedly connected to the feed pipe. Fastening bolts are distributed in an annular manner on the top side surface of the cover plate. The ends of the fastening bolts penetrate the surface of the cover plate. A feed shell connected to the inner cavity of the hot melt shell is installed on the top side of the cover plate. The lifting mechanism includes a hydraulic cylinder, an adjustment plate and a mounting seat. The hydraulic cylinder is fixedly installed on the top side surface of the hot melt shell. The output end of the hydraulic cylinder is connected to the adjustment plate. The side surface of the adjustment plate is fixedly installed with a mounting seat. The stirring mechanism includes a stirring motor, a stirring shaft, a rotating seat, a stirring rod, a scraper, a scraper and an anti-blocking component. The stirring motor is fixedly installed on the top side surface of the mounting seat. The output end of the stirring motor is connected to the stirring shaft. The end of the stirring shaft is installed with a rotating seat. The stirring shaft penetrates the surface of the cover plate. , a cleaning block for cleaning the hot-melt raw material on the surface of the stirring shaft is installed on the bottom side of the cover plate, a stirring rod is fixedly installed on the side surface of the rotating seat, a scraper is fixedly connected to the end of the stirring rod, a scraper is fixedly installed on the bottom end of the scraper, an anti-blocking component is installed on the bottom side of the rotating seat, the scraper is in contact with the inner wall of the electric heating plate and the inner wall of the hot melt shell, and the scraper on the bottom side of the scraper is in contact with the hot melt shell. The limiting buffer mechanism includes a limiting column, a first spring, a first limiting ring, a second spring, a second limiting ring and a top plate, the bottom end of the limiting column is fixedly installed on the top side of the cover plate, the top end of the limiting column passes through the surface of the mounting seat, the top end of the limiting column is fixedly installed with the top plate, the bottom end of the limiting column is sleeved with the first limiting ring, the bottom side of the first limiting ring is elastically connected to the top side of the cover plate through the first spring, the top end of the limiting column is slidably sleeved with the second limiting ring, and the top side of the second limiting ring is elastically connected to the bottom side of the top plate through the second spring.

[0034] During use, the electric heating plate heats the inside of the hot melter to achieve hot melting of the PS sheet material. Through the action of the lifting mechanism, the lifting structure drives the stirring mechanism to lift and stir on the surface of the cover plate, so as to achieve up and down rotation and stirring of the material in the hot melter, effectively improving the hot melting effect of the raw materials, ensuring the uniformity of hot melting of the raw materials, and improving the hot melting efficiency. When the stirring shaft is moving, the cleaning block is sleeved on the surface of the stirring shaft to facilitate cleaning of the hot melt material adhered to the surface of the stirring shaft. At the same time, under the action of the limit buffer mechanism, the lifting mechanism is convenient for limiting the stirring mechanism to ensure that the stirring mechanism can move stably in the hot melter and improve the working stability of the stirring mechanism.

[0035] Furthermore, when discharging the hot-melt raw materials, the stirring shaft drives the scrapers and blades on the side surfaces to scrape the adhered materials on the hot-melt shell and the inner wall of the electric heating plate to avoid continuous adhesion and residue, making it easy to discharge all of them and avoiding waste.

[0036] Example 2: Please refer to Figure 2 and Figure 5 , further improvements made on the basis of Example 1:

[0037] The material control mechanism is installed at the bottom discharge port of the hot melter. The material control mechanism is used for material blocking control. The material control mechanism includes a mounting plate, a cylinder, a blocking plate and a guide rod. The mounting plate is fixedly mounted on the bottom surface of the hot melt shell. The side surface of the mounting plate is fixedly mounted with a cylinder. The output end of the cylinder is fixedly connected to the blocking plate. The blocking plate is fitted with the bottom end of the feed pipe. Two guide rods are fixedly connected to the side surface of the blocking plate. The guide rods are symmetrically distributed about the cylinder and penetrate the side surface of the mounting plate.

[0038] The anti-blocking component includes an electric push rod, a movable plug, a connecting column, a connecting rod and a scraper block. The electric push rod is fixedly installed in a rotating seat. The output end of the electric push rod is fixedly connected to the movable plug, the bottom side of the movable plug is fixedly connected to the connecting column, the side surface of the connecting column is fixedly connected to the connecting rod, and the end of the connecting rod is fixedly connected to the scraper block.

[0039] During use, when the hot-melt raw material needs to be discharged, the cylinder pushes the fixed sealing plate away from the bottom of the discharge pipe, which is convenient for the discharge of the raw materials at the bottom of the discharge pipe. The sealing plate is pushed to move by the cylinder to facilitate the start and stop of the discharge of the discharge pipe. Before the discharge is completed, the lifting mechanism adjusts the anti-blocking component at the bottom to move downward, and the mobile plug blocks the inner cavity of the discharge pipe. Then, the electric push rod pushes the mobile plug to move along the inner cavity of the discharge pipe mouth to squeeze out the impurities adhered to the inner wall of the discharge pipe. After ensuring the cleanliness of the discharge pipe, the mobile plug moves up, and when the connecting column at the bottom enters the discharge pipe, the cylinder drives the sealing plate to seal, and cooperates with the scraper and scraper of the above-mentioned stirring mechanism to effectively improve the completeness of the discharge of the hot-melt raw materials and avoid waste. At the same time, it solves the problem of blockage in the discharge pipe mouth and reduced discharge efficiency.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot melt system for PS production, characterized in that: include, A heat fuser (1), wherein an electric heating plate (3) for heating and melting PS sheet material is installed on the inner wall of the heat fuser (1); A stirring mechanism (5), wherein the stirring mechanism (5) is slidably mounted on the hot melter (1); A material control mechanism (2), the material control mechanism (2) being installed at the material outlet at the bottom of the hot melter (1), and the material control mechanism (2) being used for material blocking control; A lifting mechanism (4), the lifting mechanism (4) being mounted on the top side surface of the hot melter (1), and the lifting mechanism (4) being used for lifting and lowering adjustment during the operation of the stirring mechanism (5); A position limiting buffer mechanism (6), wherein the position limiting buffer mechanism (6) is installed on the top side of the hot melter (1), and the position limiting buffer mechanism (6) is used to limit the position of the stirring mechanism (5) that moves upward and downward.

2. The hot melt system for PS production according to claim 1, characterized in that: The hot melt device (1) comprises a hot melt shell (11), a cover plate (14), support legs (13) and a feed pipe (12); the support legs (13) are arranged in a herringbone shape on the bottom side of the hot melt shell (11); the cover plate (14) is installed on the top of the hot melt shell (11) via fastening bolts (15); and the bottom end of the hot melt shell (11) is fixedly connected to the feed pipe (12).

3. The hot melt system for PS production according to claim 2, characterized in that: The top surface of the cover plate (14) is provided with fastening bolts (15) distributed in an annular pattern, and the ends of the fastening bolts (15) penetrate the surface of the cover plate (14). The top side of the cover plate (14) is provided with a feed shell (16) connected to the inner cavity of the hot melt shell (11).

4. The hot melt system for PS production according to claim 1, characterized in that: The material control mechanism (2) comprises a mounting plate (21), a cylinder (22), a blocking plate (23) and a guide rod (24); the mounting plate (21) is fixedly mounted on the bottom surface of the hot melt shell (11); the cylinder (22) is fixedly mounted on the side surface of the mounting plate (21); the output end of the cylinder (22) is fixedly connected to the blocking plate (23); and the blocking plate (23) is fitted with the bottom end of the discharge pipe (12).

5. The hot melt system for PS production according to claim 4, characterized in that: Two guide rods (24) are fixedly connected to the side surface of the blocking plate (23), the guide rods (24) are symmetrically distributed with respect to the cylinder (22), and the guide rods (24) penetrate the side surface of the mounting plate (21).

6. The hot melt system for PS production according to claim 1, characterized in that: The lifting mechanism (4) comprises a hydraulic cylinder (41), an adjustment plate (42) and a mounting seat (43); the hydraulic cylinder (41) is fixedly mounted on the top side surface of the hot melt shell (11); the output end of the hydraulic cylinder (41) is connected to the adjustment plate (42); and the mounting seat (43) is fixedly mounted on the side surface of the adjustment plate (42).

7. The hot melt system for PS production according to claim 1, characterized in that: The stirring mechanism (5) comprises a stirring motor (51), a stirring shaft (52), a rotating seat (54), a stirring rod (55), a scraper (56), a blade (57) and an anti-blocking component (58); the stirring motor (51) is fixedly mounted on the top side surface of the mounting seat (43); the output end of the stirring motor (51) is connected to the stirring shaft (52); the end of the stirring shaft (52) is mounted with a rotating seat (54); the stirring shaft (52) passes through the surface of the cover plate (14); a cleaning block (52) for cleaning hot-melt raw materials on the surface of the stirring shaft (52) is mounted on the bottom side of the cover plate (14); a stirring rod (55) is fixedly mounted on the side surface of the rotating seat (53); the end of the stirring rod (55) is fixedly connected with a scraper (56); the bottom end of the scraper (56) is fixedly mounted with a blade (57); and the anti-blocking component (58) is mounted on the bottom side of the rotating seat (54).

8. The hot melt system for PS production according to claim 7, characterized in that: The scraper (56) is fitted with the inner wall of the electric heating plate (3) and the inner wall of the hot melt shell (11), and the scraper blade (57) on the bottom side of the scraper (56) is fitted with the hot melt shell (11).

9. The hot melt system for PS production according to claim 7, characterized in that: The anti-blocking component (58) comprises an electric push rod (581), a movable plug (582), a connecting column (583), a connecting rod (584) and a scraper (585); the electric push rod (581) is fixedly installed in a rotating seat (54); the output end of the electric push rod (581) is fixedly connected to the movable plug (582); the bottom side of the movable plug (582) is fixedly connected to the connecting column (583); the side surface of the connecting column (583) is fixedly connected to the connecting rod (584); and the end of the connecting rod (584) is fixedly connected to the scraper (585).

10. The hot melt system for PS production according to claim 1, characterized in that: The limit buffer mechanism (6) comprises a limit column (61), a first spring (62), a first limit ring (63), a second spring (65), a second limit ring (66) and a top plate (64); the bottom end of the limit column (61) is fixedly mounted on the top side of the cover plate (14); the top end of the limit column (61) passes through the surface of the mounting seat (43); the top end of the limit column (61) is fixedly mounted with the top plate (64); the bottom end of the limit column (61) is sleeved with the first limit ring (63); the bottom side of the first limit ring (63) is elastically connected to the top side of the cover plate (14) through the first spring (62); the top end of the limit column (61) is slidably sleeved with the second limit ring (66); the top side of the second limit ring (66) is elastically connected to the bottom side of the top plate (64) through the second spring (65).

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