Mechanical foaming machine for plastic production

Abstract

The utility model relates to the technical field of foamed plastic production equipment, and provides a mechanical foaming machine for plastic production, the mechanical foaming machine comprises a barrel and a cover plate, the cover plate is provided with an air inlet pipe and a storage bin, the cover plate is provided with a first feeding hole, the storage bin communicates with the barrel through the first feeding hole, and an intermittent limiting plate is rotatably mounted on the cover plate; the intermittent limiting device has the advantages that the second driving component is started to drive the intermittent limiting plate to rotate through the transmission mechanism, when the second feeding hole is communicated with the first feeding hole, the through hole is communicated with the air inlet pipe, and when the second feeding hole is communicated with the second feeding hole, the intermittent limiting plate is driven to rotate through the transmission mechanism; gas enters the cylinder through the through hole, and raw materials enter the cylinder through the second feeding hole, so that the raw materials and the gas intermittently enter the cylinder, and the mixing efficiency of the raw materials and the gas is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of foam plastic production equipment, in particular to a mechanical foaming machine for plastic production. Background Art

[0002] There are many methods for foaming foam plastics. The three most commonly used foaming methods are physical foaming, chemical foaming and mechanical foaming. The mechanical foaming method uses strong mechanical stirring to inject air into the resin to make it a uniform foam, and then undergoes physical and chemical changes to make it gel, and finally solidifies into foam plastic.

[0003] In the existing mechanical foaming machines for plastic production, raw materials are first added into a cylinder, and then gas is introduced. The stirring rod is started to drive the mixing of the raw materials and gas in the cylinder, thereby achieving mechanical foaming. However, the stirring time is long, and the raw materials and gas are not mixed sufficiently, which affects the quality of the foamed plastic. Utility Model Content

[0004] In view of this, the utility model provides a mechanical foaming machine for plastic production. The second driving component is started to drive the intermittent limit plate to rotate through the transmission mechanism. When the second feed hole is connected with the first feed hole, the through hole is connected with the air inlet pipe, the gas enters the cylinder through the through hole, and the raw material enters the cylinder through the second feed hole, so that the raw material and gas intermittently enter the cylinder, thereby improving the mixing efficiency of the raw material and the gas.

[0005] The technical solution is as follows: A mechanical foaming machine for plastic production comprises a cylinder and a cover plate detachably mounted on the cylinder, a movable stirring rod being rotatably mounted on the cover plate, a first driving component being detachably mounted on the cover plate, an output end of the first driving component being transmission-connected to the movable stirring rod through a stirring shaft, and starting the first driving component drives the movable stirring rod to rotate through the stirring shaft, characterized in that an air inlet pipe and a material storage bin are arranged on the cover plate, a first material feed hole is arranged on the cover plate, the material storage bin is connected with the cylinder through the first material feed hole, an intermittent limit plate is rotatably mounted on the cover plate, a second driving component is detachably mounted on the cover plate, the second driving component is transmission-connected to the intermittent limit plate through a transmission mechanism, and starting the second driving component drives the intermittent limit plate to rotate along the cover plate through the transmission mechanism, a second material feed hole and a through hole are provided on the intermittent limit plate, the material feed hole corresponds to the through hole, and when the second material feed hole is driven to communicate with the first material feed hole through the intermittent limit plate, the through hole is connected with the air inlet pipe.

[0006] During use of the above technical solution: the second driving component is started to drive the intermittent limit plate to rotate through the transmission mechanism, and when the second feed hole is connected with the first feed hole, the through hole is connected with the air inlet pipe, the gas enters the cylinder through the through hole, and the raw material enters the cylinder through the second feed hole, so that the raw material and the gas intermittently enter the cylinder, thereby improving the mixing efficiency of the raw material and the gas;

[0007] Preferably, the transmission mechanism includes a first transmission gear fixedly mounted on the intermittent limit plate, a transmission shaft is rotatably mounted on the cover plate, second transmission gears are fixedly arranged at both ends of the transmission shaft, the second transmission gear is meshed with the first transmission gear, and the output end of the second drive component is meshed with the second transmission gear through a third transmission gear.

[0008] Preferably, a second mounting hole is provided on the cover plate, and the transmission shaft is rotatably mounted on the second mounting hole.

[0009] Preferably, a first sliding groove is provided on the cover plate, and the intermittent limiting plate is rotatably installed in the first sliding groove.

[0010] Preferably, a second sliding groove is formed on the cover plate, a second sliding block is fixedly provided on the intermittent limiting plate, and the second sliding block is slidably installed in the second sliding groove.

[0011] Preferably, the cross section of the second sliding groove is in a concave shape, and the second sliding block is in a convex shape corresponding to the second sliding groove.

[0012] Preferably, there are multiple through holes, and the multiple through holes are evenly distributed circumferentially on the intermittent limit plate.

[0013] During use, the above technical solution increases the amount of air added by cooperating with a second feed hole through multiple through holes, thereby improving the mixing efficiency of raw materials and air;

[0014] Preferably, a fixed stirring rod is fixedly arranged in the cylinder, the stirring shaft is rotatably mounted on the cover plate, the movable stirring rod is fixed on the stirring shaft, and the movable stirring rod and the fixed stirring rod are cross-distributed in the cylinder.

[0015] During use, the above technical solution: by cooperating with the fixed stirring rod and the movable stirring rod, the mixing efficiency of the raw materials and air in the cylinder is improved;

[0016] Preferably, flanges are fixedly provided on the cover plate and the cylinder, and the two flanges are connected and fixed by fixing bolts and nuts.

[0017] Preferably, a conical block is fixedly arranged on the cover plate, a conical groove is opened on the cylinder, and the conical block corresponds to the conical groove;

[0018] During use, the above technical solution facilitates the removal of the cover plate and the mobile stirring rod, thereby improving the cleaning efficiency of the mobile stirring rod and the cylinder. At the same time, when the cover plate and the cylinder are installed, the stability and sealing performance are strong;

[0019] After adopting the above technical solution, the beneficial effects of the utility model are:

[0020] 1. Start the second driving component to drive the intermittent limit plate to rotate through the transmission mechanism. When the second feed hole is connected with the first feed hole, the through hole is connected with the air inlet pipe, the gas enters the cylinder through the through hole, and the raw material enters the cylinder through the second feed hole, so that the raw material and gas intermittently enter the cylinder, thereby improving the mixing efficiency of the raw material and gas;

[0021] 2. By combining multiple through holes with a second feed hole, the amount of air added is increased, thereby improving the mixing efficiency of raw materials and air;

[0022] 3. The mixing efficiency of raw materials and air in the cylinder is improved by coordinating the fixed stirring rod and the movable stirring rod;

[0023] 4. It is convenient to disassemble the cover plate and the mobile stirring rod, which improves the cleaning efficiency of the mobile stirring rod and the cylinder. At the same time, the cover plate and the cylinder are installed with strong stability and sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 It is a three-dimensional diagram of the utility model;

[0026] Figure 2 It is a cross-sectional view of the utility model;

[0027] Figure 3 It is an exploded view of the utility model;

[0028] Figure 4 It is a partial stereoscopic diagram of the cylinder of the utility model;

[0029] Figure 5 It is a partial three-dimensional diagram of the cover plate of the utility model;

[0030] Figure 6 It is a partial cross-sectional view of the cover plate of the utility model;

[0031] Figure 7This is a three-dimensional diagram of the installation of the mobile stirring rod of the utility model;

[0032] Figure 8 It is a three-dimensional diagram of the intermittent limiting plate of the utility model;

[0033] Fig. 9 It is a cross-sectional view of the intermittent limit plate of the utility model;

[0034] Fig.10 For this utility model Figure 1 A partial enlarged view of the middle A;

[0035] In the figure, 1, cylinder; 2, flange; 3, conical groove; 4, fixed stirring rod; 5, fixed bolt and nut; 6, cover plate; 7, first feeding hole; 8, storage bin; 9, air inlet pipe; 10, first sliding groove; 11, second sliding groove; 12, first mounting hole; 13, second mounting hole; 14, stirring shaft; 15, movable stirring rod; 16, first driving component; 17, intermittent limit plate; 18, second sliding block; 19, through hole; 20, second feeding hole; 21, first transmission gear; 22, transmission shaft; 23, second transmission gear; 24, second driving component; 25, third transmission gear; 26, conical block; DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0037] like Figures 1 to 10As shown, a mechanical foaming machine for plastic production includes a barrel 1 and a cover plate 6 detachably mounted on the barrel 1, a movable stirring rod 15 is rotatably mounted on the cover plate 6, a first driving component 16 is detachably mounted on the cover plate 6, an output end of the first driving component 16 is transmission-connected with the movable stirring rod 15 through a stirring shaft 14, and the first driving component 16 is started to drive the movable stirring rod 15 to rotate through the stirring shaft 14, an air inlet pipe 9 and a storage bin 8 are arranged on the cover plate 6, a first feeding hole 7 is arranged on the cover plate 6, and the storage bin 8 is connected to the first feeding hole 7 through the first feeding hole 7 is connected with the cylinder 1, an intermittent limit plate 17 is rotatably installed on the cover plate 6, and a second driving component 24 is detachably installed on the cover plate 6, and the second driving component 24 is transmission-connected with the intermittent limit plate 17 through a transmission mechanism. When the second driving component 24 is started, the intermittent limit plate 17 is driven to rotate along the cover plate 6 through the transmission mechanism. A second feed hole 20 and a through hole 19 are opened on the intermittent limit plate 17, and the feed hole corresponds to the through hole 19. When the second feed hole 20 is connected with the first feed hole 7 through the intermittent limit plate 17, the through hole 19 is connected with the air inlet pipe 9.

[0038] The transmission mechanism includes a first transmission gear 21 fixedly mounted on the intermittent limit plate 17, a transmission shaft 22 is rotatably mounted on the cover plate 6, second transmission gears 23 are fixedly arranged at both the upper and lower ends of the transmission shaft 22, the second transmission gear 23 is meshed with the first transmission gear 21, and the output end of the second driving component 24 is meshed with the second transmission gear 23 through a third transmission gear 25.

[0039] The cover plate 6 defines a second mounting hole 13 , and the transmission shaft 22 is rotatably mounted on the second mounting hole 13 .

[0040] The cover plate 6 is provided with a first sliding groove 10 , and the intermittent limiting plate 17 is rotatably installed in the first sliding groove 10 .

[0041] The cover plate 6 is provided with a second sliding groove 11 , and the intermittent limiting plate 17 is fixedly provided with a second sliding block 18 , and the second sliding block 18 is slidably installed in the second sliding groove 11 .

[0042] The cross section of the second sliding groove 11 is in a concave shape, and the second sliding block 18 is in a convex shape corresponding to the second sliding groove 11 .

[0043] Specifically: the second driving component 24 is a servo motor, which is fixed to the cover plate 6 by screws, and a third transmission gear 25 is fixedly provided at the output end of the servo motor, and the third transmission gear 25 is rotatably mounted on the cover plate 6 by a rotating shaft;

[0044] In actual operation: raw materials are added into the storage bin 8, the second driving component 24 is started to drive the third transmission gear 25 to rotate, the second transmission gear 23 is driven by the third transmission gear 25, the first transmission gear 21 is driven by the transmission shaft 22 and the second transmission gear 23, the intermittent limit plate 17 is driven to rotate along the first sliding groove 10 through the first transmission gear 21, and the second sliding block 18 is driven to rotate along the second sliding groove 11 at the same time, when the second feed hole 20 is connected with the first feed hole 7, the raw materials enter the cylinder 1 through the storage bin 8, and the through hole 19 is connected with the air inlet pipe 9 at this time, and the gas enters the cylinder 1 through the air inlet pipe 9 and the through hole 19, so that part of the raw materials added into the cylinder 1 are fully mixed with the gas;

[0045] A fixed stirring rod 4 is fixedly arranged in the cylinder 1 . The stirring shaft 14 is rotatably mounted on the cover plate 6 . The movable stirring rod 15 is fixed on the stirring shaft 14 . The movable stirring rod 15 and the fixed stirring rod 4 are cross-distributed in the cylinder 1 .

[0046] Specifically: the cover plate 6 is provided with a first mounting hole 12, the stirring shaft 14 is rotatably mounted in the first mounting hole 12, the first driving component 16 is a stirring motor, the stirring motor is fixed to the cover plate 6 by screws, and the output end of the first driving component 16 is fixedly connected to the stirring shaft 14;

[0047] In actual operation: the stirring motor is started to drive the stirring shaft 14 to rotate, and the stirring shaft 14 drives the movable stirring rod 15 to rotate, and the movable stirring rod 15 cooperates with the fixed stirring rod 4 to fully mix the raw materials and the air;

[0048] Flanges 2 are fixedly provided on the cover plate 6 and the cylinder body 1 , and the two flanges 2 are connected and fixed by fixing bolts and nuts 5 .

[0049] A conical block 26 is fixedly provided on the cover plate 6, a conical groove 3 is provided on the cylinder body 1, and the conical block 26 corresponds to the conical groove 3;

[0050] Specifically: the tapered groove 3 is annular, the tapered block 26 is annular, and the tapered block 26 is installed in the tapered groove 3 by interference fit;

[0051] In actual operation: it is convenient to disassemble the cover plate 6 and the movable stirring rod 15, thereby improving the cleaning efficiency of the movable stirring rod 15 and the cylinder 1. At the same time, when the cover plate 6 and the cylinder 1 are installed, the stability and sealing performance are strong. Example

[0052] On the basis of the first embodiment, the number of the through holes 19 is multiple, and the multiple through holes 19 are evenly distributed on the intermittent limiting plate 17 in the circumferential direction.

[0053] In actual operation: by cooperating with a second feed hole 20, the amount of air added is increased, thereby improving the mixing efficiency of the raw material and the air;

[0054] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. A mechanical foaming machine for plastic production, comprising a barrel (1) and a cover plate (6) detachably mounted on the barrel (1), a movable stirring rod (15) being rotatably mounted on the cover plate (6), a first driving component (16) being detachably mounted on the cover plate (6), an output end of the first driving component (16) being transmission-connected to the movable stirring rod (15) via a stirring shaft (14), and the first driving component (16) being started to drive the movable stirring rod (15) to rotate via the stirring shaft (14), characterized in that: The cover plate (6) is provided with an air inlet pipe (9) and a material storage bin (8); the cover plate (6) is provided with a first material inlet hole (7); the material storage bin (8) is connected with the cylinder (1) through the first material inlet hole (7); an intermittent limit plate (17) is rotatably mounted on the cover plate (6); a second driving component (24) is detachably mounted on the cover plate (6); the second driving component (24) is transmission-connected with the intermittent limit plate (17) through a transmission mechanism; when the second driving component (24) is started, the intermittent limit plate (17) is driven to rotate along the cover plate (6) through the transmission mechanism; a second material inlet hole (20) and a through hole (19) are provided on the intermittent limit plate (17); the material inlet hole corresponds to the through hole (19); when the second material inlet hole (20) is driven to communicate with the first material inlet hole (7) through the intermittent limit plate (17), the through hole (19) is connected with the air inlet pipe (9).

2. A mechanical foaming machine for plastic production according to claim 1, characterized in that: The transmission mechanism comprises a first transmission gear (21) fixedly mounted on the intermittent limit plate (17); a transmission shaft (22) is rotatably mounted on the cover plate (6); second transmission gears (23) are fixedly arranged at both the upper and lower ends of the transmission shaft (22); the second transmission gear (23) is meshed with the first transmission gear (21); and the output end of the second driving component (24) is meshed with the second transmission gear (23) via a third transmission gear (25).

3. A mechanical foaming machine for plastic production according to claim 2, characterized in that: The cover plate (6) is provided with a second mounting hole (13), and the transmission shaft (22) is rotatably mounted on the second mounting hole (13).

4. A mechanical foaming machine for plastic production according to claim 3, characterized in that: The cover plate (6) is provided with a first sliding groove (10), and the intermittent limiting plate (17) is rotatably installed in the first sliding groove (10).

5. A mechanical foaming machine for plastic production according to claim 4, characterized in that: The cover plate (6) is provided with a second sliding groove (11), and the intermittent limiting plate (17) is fixedly provided with a second sliding block (18), and the second sliding block (18) is slidably installed in the second sliding groove (11).

6. A mechanical foaming machine for plastic production according to claim 5, characterized in that: The cross section of the second sliding groove (11) is in a concave shape, and the second sliding block (18) is in a convex shape corresponding to the second sliding groove (11).

7. A mechanical foaming machine for plastic production according to claim 6, characterized in that: The number of the through holes (19) is multiple, and the multiple through holes (19) are evenly distributed on the intermittent limiting plate (17) in the circumferential direction.

8. A mechanical foaming machine for plastic production according to claim 1 or 7, characterized in that: A fixed stirring rod (4) is fixedly arranged in the cylinder (1), the stirring shaft (14) is rotatably mounted on the cover plate (6), the movable stirring rod (15) is fixed on the stirring shaft (14), and the movable stirring rod (15) and the fixed stirring rod (4) are cross-distributed in the cylinder (1).

9. A mechanical foaming machine for plastic production according to claim 1, characterized in that: Flanges (2) are fixedly provided on the cover plate (6) and the cylinder body (1), and the two flanges (2) are connected and fixed by fixing bolts and nuts (5).

10. A mechanical foaming machine for plastic production according to claim 9, characterized in that: A conical block (26) is fixedly arranged on the cover plate (6), a conical groove (3) is provided on the cylinder body (1), and the conical block (26) corresponds to the conical groove (3).

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