Layered feeding cylinder
By designing a layered feeding cylinder, the amount of foam plastic entering the feeding pipe is controlled by a distribution plate, baffle, and drive assembly. Combined with stirring and aeration to prevent accumulation, the problem of clogging in the feeding pipe of the molding machine is solved, and stable conveying of the feeding pipe is achieved.
Patent Information
- Application Number
- CN202423259789.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The feed pipe of the molding machine is prone to blockage due to a large amount of foam plastic entering at once, which affects the use of the equipment.
Design a layered feeding cylinder, including a cylinder body, a distribution plate, a baffle, and a drive assembly. The amount of foam plastic entering the feeding pipe is adjusted by controlling the rotation of the baffle. A mixing plate and an air inflator are used to prevent accumulation, and a return pump is used to prevent excessive foam from entering.
It effectively reduces feed pipe blockage, prevents accumulation by controlling the amount of foam plastic, and improves the operational stability of the device.
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Figure CN223558896U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of a feeding cylinder, in particular to a layered feeding cylinder. BACKGROUND
[0002] The feeding cylinder is a device for material conveying, which is applied in multiple industrial fields, and can be used for controlling, adjusting and metering the conveying process of materials.
[0003] During use of the forming machine, the foamed plastic enters the forming machine through the feeding pipe of the forming machine, and when a large amount of foamed plastic enters the feeding pipe at a moment, the feeding pipe is prone to be blocked, thereby affecting use of the device, and improvement is needed. CONTENT OF THE UTILITY MODEL
[0004] The application aims to provide a layered feeding cylinder, so as to reduce the blocking of the feeding pipe.
[0005] The layered feeding cylinder provided by the application adopts the following technical scheme: a cylinder body is provided, a feeding pipe is connected to the top end of the cylinder body, a feeding pump is connected to the feeding pipe, a feeding pipe is connected to the bottom end of the cylinder body, a distribution plate is connected in the cylinder body, the distribution plate is provided with a distribution hole, a baffle for covering the distribution hole is rotatably connected in the cylinder body, a driving assembly for driving the baffle to rotate is connected to the cylinder body, and the baffle is located between the distribution plate and the feeding port of the feeding pipe.
[0006] Through the above technical scheme, the foamed plastic enters the cylinder body through the feeding pipe and falls on the distribution plate, and part of the foamed plastic falls in the distribution hole. When it is needed to feed the foamed plastic into the feeding pipe, the driving assembly drives the baffle to rotate, so that the baffle is staggered with the distribution hole, the foamed plastic in the distribution hole and the foamed plastic on the distribution plate pass through the distribution hole and enter the feeding pipe, when the foamed plastic in the feeding pipe reaches a corresponding amount, the driving assembly drives the baffle to rotate, so that the baffle covers the distribution hole, thereby limiting the foamed plastic from passing through the distribution hole, and the amount of the foamed plastic in the feeding pipe is controlled, so as to reduce the blocking of the feeding pipe.
[0007] Optionally, the driving assembly comprises a rotating column rotatably connected in the cylinder body, a connecting rod connected to the rotating column and a pneumatic cylinder for driving the connecting rod to rotate, the pneumatic cylinder is rotatably connected to the cylinder body, the connecting rod is rotatably connected to the output end of the pneumatic cylinder, and the baffle is connected to the rotating column.
[0008] By adopting the technical scheme, the output end of the air cylinder is telescopic, the output end of the air cylinder drives the connecting rod to rotate around the axis of the rotating column, the connecting rod drives the rotating column to rotate around its axis, that is, the baffle rotates around the axis of the rotating column, so that the baffle is staggered with the distribution hole or the baffle covers the distribution hole, thereby facilitating control of the amount of foamed plastic entering the feeding pipe.
[0009] Optionally, the stirring plate is rotatably connected in the barrel, and the distribution plate is located between the stirring plate and the baffle.
[0010] By adopting the technical scheme, the stirring plate rotates, the stirring plate drives the foamed plastic on the distribution plate to move, thereby preventing the foamed plastic from accumulating, and facilitating abutment of the stirring plate with the foamed plastic and driving the foamed plastic to pass through the distribution hole.
[0011] Optionally, the rotating column penetrates the distribution plate, and the stirring plate is connected with one end of the rotating column.
[0012] By adopting the technical scheme, the stirring plate rotates with the rotating column, and the rotation of the stirring plate is connected through the rotating column, the connecting rod and the air cylinder, thereby reducing driving and increasing the relevance of the overall structure.
[0013] Optionally, a plurality of stirring plates are connected at one end of the rotating column, and the plurality of stirring plates are uniformly distributed around the axis of the rotating column.
[0014] By adopting the technical scheme, the plurality of stirring plates rotate around the axis of the rotating column, thereby increasing the contact area of the stirring plate with the foamed plastic, preventing the foamed plastic from accumulating, and facilitating abutment of the stirring plate with the foamed plastic and driving the foamed plastic to pass through the distribution hole.
[0015] Optionally, the rotating column is sleeved with an elastic member, one end of the elastic member abuts against the barrel, the other end of the elastic member abuts against the baffle, and the baffle is located between the distribution plate and the elastic member.
[0016] By adopting the technical scheme, the elastic member presses the baffle on one side of the distribution plate to form a better seal and reduce the gap between the baffle and the distribution plate for the foamed plastic to enter.
[0017] Optionally, the bottom of the barrel is connected with a plurality of inflation pipes, the inflation pipes are connected with an inflation pump, and the baffle is located between the distribution plate and the inflation pipes.
[0018] By adopting the technical scheme, the gas is sprayed from the inflation pipe, the gas drives the foamed plastic at the bottom of the barrel to move, thereby preventing the foamed plastic at the bottom of the barrel from accumulating and facilitating driving of the foamed plastic to enter the feeding pipe.
[0019] Optionally, a reflux box is connected between the barrel and the feeding pipe, the reflux box is connected with the barrel through a connecting pipe, one end of the feeding pipe is connected with the reflux box, the reflux box is connected with the feeding pipe through a reflux pipe, and the reflux pipe is connected with a reflux pump.
[0020] By adopting the above technical scheme, when the foamed plastic in the reflux box is excessive, the reflux pump sucks the foamed plastic in the reflux box back to the feeding pipe through the reflux pipe, preventing the excessive foamed plastic from entering the feeding pipe and reducing the occurrence of the feeding pipe blockage.
[0021] Optionally, the reflux box is a reflux hopper, and the inner diameter of the reflux hopper gradually decreases in the direction close to the feeding pipe.
[0022] By adopting the above technical scheme, the inner wall of the reflux hopper is inclined, which can improve the flow characteristics of the foamed plastic, reduce the stagnation and accumulation of the foamed plastic in the reflux hopper, and thus reduce the risk of blockage and wear. The gradually decreasing inner diameter can reduce the drop of the foamed plastic during falling and reduce the impact of the foamed plastic on the reflux hopper.
[0023] Optionally, the barrel is connected with a plurality of observation windows.
[0024] By adopting the above technical scheme, the operator can observe the quantity of the foamed plastic in the barrel through the observation window, when the foamed plastic above the distribution plate is less, the air cylinder is opened, the baffle is rotated, the foamed plastic passes through the distribution hole and enters the feeding pipe, and the feeding is timely.
[0025] In summary, the present application has at least one of the following beneficial technical effects:
[0026] 1. When the foamed plastic in the feeding pipe reaches a corresponding quantity, the driving assembly drives the baffle to rotate, so that the baffle covers the distribution hole, thereby limiting the foamed plastic from passing through the distribution hole, and by controlling the quantity of the foamed plastic in the feeding pipe, the occurrence of the feeding pipe blockage is reduced.
[0027] 2. When the foamed plastic in the reflux box is excessive, the reflux pump sucks the foamed plastic in the reflux box back to the feeding pipe through the reflux pipe, preventing the excessive foamed plastic from entering the feeding pipe and reducing the occurrence of the feeding pipe blockage. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 is a schematic view of the overall structure of an embodiment of the present application, and shows a feeding pipe.
[0029] Figure 2 is a sectional view of the present application.
[0030] Figure 3 is Figure 2 the enlarged view of the A area of
[0031] Figure 4 is a second schematic view of the overall structure of the embodiment of the present application, and shows a cylinder.
[0032] Figure 5 is an enlarged view of the B region of Figure 4 .
[0033] BRIEF DESCRIPTION OF THE DRAWINGS: 1, barrel; 11, cavity; 12, feed pipe; 121, feed pump; 13, connecting pipe; 14, observation window; 15, inflation pipe; 2, reflux tank; 21, reflux hopper; 22, reflux pipe; 221, reflux pump; 3, feed pipe; 4, distribution plate; 41, distribution hole; 5, baffle; 51, through hole; 6, drive assembly; 61, rotating column; 611, boss; 62, connecting rod; 63, cylinder; 7, elastic member; 8, connecting plate; 81, stirring plate. DETAILED DESCRIPTION
[0034] The following will be described in detail in combination with the accompanying drawings. Figure 1 - the accompanying drawings Figure 5 The present application is further described in detail.
[0035] The embodiment of the present application discloses a layered feeding barrel.
[0036] In combination with Figure 1 and Figure 2 shown, including barrel 1, barrel 1 is provided with cavity 11, the top of barrel 1 is fixedly connected with feed pipe 12 which communicates with cavity 11, feed pipe 12 is fixedly connected with feed pump 121, the bottom of barrel 1 is fixedly connected with connecting pipe 13 which communicates with cavity 11, the end of connecting pipe 13 away from barrel 1 is fixedly connected with reflux tank 2, reflux tank 2 is reflux hopper 21, the inner diameter size of reflux hopper 21 gradually decreases in the direction away from connecting pipe 13. The end of reflux tank 2 away from connecting pipe 13 is fixedly connected with feed pipe 3, the side of reflux tank 2 is fixedly connected with reflux pipe 22, the end of reflux pipe 22 away from reflux tank 2 is fixedly connected with feed pipe 12, reflux pipe 22 is fixedly connected with reflux pump 221. In other embodiments, one end of reflux pipe 22 is fixedly connected with feed pipe 3, and the other end is fixedly connected with feed pipe 12.
[0037] In combination with Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the cylinder body 1 is fixedly connected with a distribution plate 4, the distribution plate 4 is located between the outlet of the feeding pipe 12 and the inlet of the connecting pipe 13, the distribution plate 4 is provided with a plurality of distribution holes 41, and the plurality of distribution holes 41 are uniformly distributed around the axis of the distribution plate 4. The cylinder body 1 is rotatably connected with three observation windows 14, the three observation windows 14 are distributed in an up-down manner, and an operator can check the situation of the foamed plastic in the cylinder body 1 through the observation windows 14, or can open the observation windows 14 to take out the foamed plastic clamped in the cylinder body 1. The cylinder body 1 is rotatably connected with a baffle 5, the baffle 5 is located between the distribution plate 4 and the inlet of the connecting pipe 13, the baffle 5 is provided with a plurality of through holes 51 (the number of the through holes 51 is the same as that of the distribution holes 41), the plurality of through holes 51 are uniformly distributed around the axis of the baffle 5, one through hole 51 corresponds to one distribution hole 41, and the radius size of the through hole 51 is the same as that of the distribution hole 41. The cylinder body 1 is connected with a driving assembly 6 for driving the baffle 5 to rotate, the driving assembly 6 comprises a rotating column 61 rotatably connected in the cylinder body 1, a connecting rod 62 fixedly connected to the cylinder body 1, and a gas cylinder 63 for driving the connecting rod 62 to rotate, the gas cylinder 63 is rotatably connected to the cylinder body 1, the gas cylinder 63 is externally connected with a controller (not shown in the figure), the signal output end of the controller is connected with the signal input end of the gas cylinder 63, and the output end of the gas cylinder 63 is rotatably connected with the connecting rod 62.
[0038] As shown in Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the outer circumferential surface of the rotating column 61 is provided with a boss 611, the boss 611 is integrally formed with the rotating column 61, the baffle 5 is located between the boss 611 and the distribution plate 4, and the baffle 5 is connected with the boss 611 through a plurality of bolts. The rotating column 61 is sleeved with an elastic member 7, the elastic member 7 is a spring, the boss 611 is located between the elastic member 7 and the baffle 5, one end of the elastic member 7 abuts against the inner wall of the cavity 11, and the other end abuts against the boss 611. One end of the rotating column 61 close to the feeding pipe 12 penetrates through the distribution plate 4, and the one end of the rotating column 61 close to the feeding pipe 12 is detachably connected with a connecting plate 8, the connecting plate 8 is connected with the rotating column 61 through a plurality of bolts, the radius size of the connecting plate 8 is greater than that of the rotating column 61, and the distribution plate 4 is located between the baffle 5 and the connecting plate 8. The side of the connecting plate 8 away from the rotating column 61 is detachably connected with a plurality of stirring plates 81, each stirring plate 81 is connected with the connecting plate 8 through a bolt, and the plurality of stirring plates 81 are uniformly distributed around the axis of the connecting plate 8. The bottom of the cylinder body 1 is fixedly connected with a plurality of inflation pipes 15 in communication with the cavity 11, the plurality of inflation pipes 15 are uniformly distributed around the axis of the cylinder body 1, the plurality of inflation pipes 15 surround the inlet of the connecting pipe 13, each inflation pipe 15 is connected with an inflation pump (not shown in the figure), and the baffle 5 is located between the distribution pipe and the inflation pipe 15.
[0039] The implementation principle of the layered feeding cylinder is as follows: the foamed plastic enters the cavity 11 through the feeding pipe 12 and falls on the distribution plate 4. The controller controls the output end of the air cylinder 63 to extend, the output end of the air cylinder 63 drives the connecting rod 62 to rotate, the rotating column 61 rotates around its own axis, that is, the stirring plate 81 and the baffle 5 rotate around the axis of the rotating column 61, so that the distribution hole 41 and the through hole 51 correspond, the foamed plastic can pass through the distribution hole 41 and the through hole 51 in turn and fall on the bottom of the cylinder body 1, the stirring plate 81 drives the foamed plastic on the distribution plate 4 to move in the rotating process, so as to facilitate the foamed plastic on the distribution plate 4 to enter the distribution hole 41. The operator observes the situation in the cylinder body 1 through the observation window 14, the controller controls the output end of the air cylinder 63 to retract, so that the baffle 5 covers the distribution hole 41, preventing the foamed plastic from continuing to fall. The inflation pipe 15 inflates the cylinder body 1, the gas drives the foamed plastic at the bottom of the cylinder body 1 to move, so as to facilitate the foamed plastic at the bottom of the cylinder body 1 to move to the connecting pipe 13. When the foamed plastic in the backflow box 2 is too much, the backflow pump 221 sucks the foamed plastic in the backflow box 2 back to the feeding pipe 12 through the backflow pipe 22, preventing too much foamed plastic from entering the feeding pipe 3 and reducing the occurrence of the feeding pipe 3 being blocked.
[0040] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, so: any equivalent changes made on the structure, shape, principle of the present application should be covered in the protection scope of the present application.
Claims
1. A layered feed cylinder, characterized in that: The device includes a cylinder (1), a conveying pipe (12) connected to the top of the cylinder (1), a conveying pump (121) connected to the conveying pipe (12), a feed pipe (3) connected to the bottom of the cylinder (1), a distribution plate (4) connected inside the cylinder (1), a distribution hole (41) provided on the distribution plate (4), a baffle (5) rotatably connected inside the cylinder (1) for covering the distribution hole (41), a drive assembly (6) connected to the cylinder (1) for driving the baffle (5) to rotate, and the baffle (5) located between the distribution plate (4) and the feed inlet of the feed pipe (3).
2. The layered feed cylinder according to claim 1, characterized in that: The drive assembly (6) includes a rotating column (61) rotatably connected inside the cylinder (1), a connecting rod (62) connected to the rotating column (61), and a cylinder (63) for driving the connecting rod (62) to rotate. The cylinder (63) is rotatably connected to the cylinder (1), the connecting rod (62) is rotatably connected to the output end of the cylinder (63), and the baffle (5) is connected to the rotating column (61).
3. The layered feed cylinder according to claim 2, characterized in that: A stirring plate (81) is rotatably connected inside the cylinder (1), and the material distribution plate (4) is located between the stirring plate (81) and the baffle (5).
4. The layered feed cylinder according to claim 3, characterized in that: The rotating column (61) passes through the material distribution plate (4), and the stirring plate (81) is connected to one end of the rotating column (61).
5. The layered feed cylinder according to claim 4, characterized in that: Several stirring plates (81) are connected to one end of the rotating column (61), and the several stirring plates (81) are evenly distributed around the axis of the rotating column (61).
6. The layered feed cylinder according to claim 2, characterized in that: The rotating column (61) is fitted with an elastic element (7). One end of the elastic element (7) abuts against the cylinder (1), and the other end abuts against the baffle (5). The baffle (5) is located between the material distribution plate (4) and the elastic element (7).
7. The layered feed cylinder according to claim 1, characterized in that: The bottom of the cylinder (1) is connected to several air inflator pipes (15), and the air inflator pipes (15) are connected to an air pump. The baffle (5) is located between the material distribution plate (4) and the air inflator pipes (15).
8. The layered feed cylinder according to claim 1, characterized in that: A reflux box (2) is connected between the cylinder (1) and the feed pipe (3). The reflux box (2) is connected to the cylinder (1) through a connecting pipe (13). One end of the feed pipe (3) is connected to the reflux box (2). The reflux box (2) is connected to the feed pipe (12) through a reflux pipe (22). The reflux pipe (22) is connected to a reflux pump (221).
9. The layered feed cylinder according to claim 8, characterized in that: The reflux box (2) is a reflux hopper (21), and the inner diameter of the reflux hopper (21) gradually decreases towards the feed pipe (3).
10. The layered feed cylinder according to claim 1, characterized in that: The cylinder (1) is connected to several observation windows (14).