Feeding device for double-wall corrugated pipe production

Abstract

The utility model relates to a feeding device, in particular to a feeding device for double-wall corrugated pipe production, which comprises a support, a feeding barrel, a first funnel, a discharge port, a stirring barrel, a second funnel and the like. A feeding barrel is installed on the support, a discharging port is connected to the bottom of the feeding barrel, a valve is installed on the discharging port, two first funnels are connected to the top of the feeding barrel in a bilateral symmetry mode, a stirring barrel is connected to the tops of the two first funnels, and the stirring barrel is communicated with the feeding barrel through the first funnels. The stirring rod is driven by the second motor to stir and mix raw materials in the stirring barrel, then the mixed raw materials in the feeding barrel fall into the feeding barrel through the first funnel, the baffle is reset and closed when the raw materials completely fall, and the raw materials continue to be added into the stirring barrel for mixing and stirring; and the valve on the discharge port is opened, and the mixed raw materials can enter the extruder for melt extrusion, so that the feeding operation is completed, the operation can be simplified, and the working efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to a feeding device, in particular to a feeding device for producing double-wall corrugated pipes. Background Art

[0002] Double-wall corrugated pipe is a new type of lightweight pipe with an annular outer wall and a smooth inner wall. It is a flexible pipe. Double-wall corrugated pipe has a wide range of applications, including municipal engineering, construction engineering, etc.

[0003] In the production process, the double-wall corrugated pipe is made through the steps of material preparation, winding, welding, surface treatment, testing, packaging and transportation. When preparing the materials, according to the specifications and performance requirements of the required pipes, the corresponding raw material combination is prepared, such as HDPE and other raw materials and necessary additives, and they are mixed evenly, and then the pre-mixed HDPE particles are melted through the extruder, and the molten HDPE is pushed into the extrusion die head by the screw of the extruder. The die head has a two-layer structure for forming the inner and outer walls of the double-wall corrugated pipe. At present, the raw materials are stirred and mixed by a mixer, and then the mixed raw materials are moved to the extruder for melt extrusion. This operation is more troublesome and affects work efficiency. Utility Model Content

[0004] In order to overcome the shortcomings that the raw materials need to be transferred to the extruder for melt extrusion after stirring and mixing, which is cumbersome to operate and affects work efficiency, the technical problem to be solved is: to provide a feeding device for double-wall corrugated pipe production that is simple to operate and improves work efficiency.

[0005] The technical solution of the utility model is: a feeding device for the production of double-wall corrugated pipes, comprising a bracket, a feed barrel, a first funnel, a discharge port, a stirring barrel, a second funnel, a stirring mechanism and a material blocking mechanism, the feed barrel is installed on the bracket, the bottom of the feed barrel is connected with the discharge port, a valve is installed on the discharge port, two first funnels are symmetrically connected to the top of the feed barrel, the tops of the two first funnels are connected with a stirring barrel, the stirring barrel is connected with the feed barrel through the first funnel, a stirring mechanism for mixing and stirring raw materials is arranged in the upper part of the stirring barrel, a material blocking mechanism for blocking the channel between the stirring barrel and the first funnel is arranged in the lower part of the stirring barrel, and the left and right sides of the upper part of the stirring barrel are connected to the second funnel.

[0006] As a preferred technical solution of the utility model, the stirring mechanism includes a second motor and a stirring rod. The second motor is installed in the middle position of the top of the stirring barrel. The top of the stirring barrel is rotatably connected to the stirring rod. The output shaft of the second motor is connected to the stirring rod. The stirring rod has stirring blades, and the stirring blades are located in the stirring barrel.

[0007] As an optimal technical solution of the utility model, the material blocking mechanism includes a baffle, a fixed plate, a first motor, a screw, an extrusion block, a limit rod and a push rod. The bottom of the mixing barrel is symmetrically provided with baffles, the baffle is located above the first funnel, and two limit rods are connected to the inner sides of the two baffles. The limit rods are slidingly connected to the bottom of the mixing barrel, and a push rod is connected to the bottom of the baffle. The top of the feed barrel is connected to a fixed plate, and the fixed plate is rotatably connected to the screw. The first motor is installed on the fixed plate, and the output shaft of the first motor is connected to the screw, and the extrusion block is threadedly connected to the screw, and the extrusion block is provided with an inclined groove. The push rod is slidably matched with the inclined groove on the extrusion block, and the extrusion block is slidably matched with the bottom of the mixing barrel.

[0008] As a preferred technical solution of the utility model, it also includes a blower and a dispersion frame. The blower is installed on the top of the mixing barrel, the air outlet of the blower is connected to the top of the mixing barrel, the dispersion frame is connected to the top of the mixing barrel, and the bottom of the dispersion frame is evenly spaced with through holes.

[0009] As a preferred technical solution of the utility model, it also includes a cover plate and a handle. The second funnel is provided with a cover plate, and the top of the cover plate is connected to the handle.

[0010] As a preferred technical solution of the utility model, it also includes an observation window. The mixing barrel is embedded with the observation window, and the mixing condition of the raw materials inside the mixing barrel can be observed through the observation window.

[0011] Beneficial effect: The utility model drives the stirring rod through the second motor to stir and mix the raw materials in the stirring barrel, and then drives the screw rod to rotate through the first motor, so that under the action of the extrusion block and the push rod, the raw materials mixed in the feed barrel fall into the feed barrel through the first funnel, and the baffle plate resets and closes after the raw materials fall completely, and the raw materials continue to be added to the stirring barrel for mixing and stirring. When it is necessary to feed the extruder, the valve on the discharge port is opened, and the mixed raw materials can enter the extruder for melt extrusion, thereby completing the feeding operation, which can simplify the operation and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is a schematic cross-sectional view of the mixing barrel of the utility model.

[0014] Figure 3 This is a schematic diagram of the connection structure of the extrusion block, the push rod and the baffle of the utility model.

[0015] Figure 4 It is a three-dimensional structural schematic diagram of the blower and dispersion frame of the utility model.

[0016] Marked in the figure: 1- bracket, 2-feed barrel, 201-first funnel, 3-discharge port, 4-baffle, 5-fixed plate, 6-first motor, 7-screw, 8-extrusion block, 801-limiting rod, 802-push rod, 9-mixing barrel, 10-second motor, 11-mixing rod, 12-second funnel, 13-blower, 1301-dispersion frame, 14-through hole, 15-cover plate, 16-handle, 17-observation window. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods, but the protection scope and application scope of the present invention are not limited.

[0018] A feeding device for producing double-wall corrugated pipes, such as Figure 1-3 As shown, it includes a bracket 1, a feed barrel 2, a first funnel 201, a discharge port 3, a baffle 4, a fixing plate 5, a first motor 6, a screw 7, an extrusion block 8, a limit rod 801, a push rod 802, a stirring barrel 9, a second motor 10, a stirring rod 11 and a second funnel 12. The feed barrel 2 is installed on the bracket 1. The bottom of the feed barrel 2 is connected with the discharge port 3, which can be connected to the extruder through the pipe part discharge port 3. A valve is installed on the discharge port 3. Two first funnels 201 are symmetrically connected to the top of the feed barrel 2. The tops of the two first funnels 201 are connected to the stirring barrel 9. The stirring barrel 9 is connected to the feed barrel 2 through the first funnel 201. The bottom of the stirring barrel 9 is symmetrically slidably provided with baffles 4. The baffles 4 are located above the first funnel 201. The inner sides of the two baffles 4 are connected with two limit rods 801. The positioning rod 801 is slidably connected to the bottom of the mixing barrel 9, a push rod 802 is connected to the bottom of the baffle 4, a fixing plate 5 is bolted to the top of the feed barrel 2, a screw rod 7 is rotatably connected to the fixing plate 5, a first motor 6 is installed on the fixing plate 5 by bolts, an output shaft of the first motor 6 is connected to the screw rod 7, an extrusion block 8 is threadedly connected to the screw rod 7, two inclined grooves are provided on the extrusion block 8, the push rod 802 is slidably matched with the inclined groove on the extrusion block 8, the extrusion block 8 is slidably matched with the bottom of the mixing barrel 9, a second motor 10 is installed at the middle position of the top of the mixing barrel 9 through a mounting seat, a stirring rod 11 is rotatably connected to the top of the mixing barrel 9, an output shaft of the second motor 10 is connected to the stirring rod 11, the stirring rod 11 has stirring blades, the stirring blades are located in the mixing barrel 9, and a second funnel 12 is connected to the left and right sides of the upper part of the mixing barrel 9.

[0019] like Figure 1 and Figure 4 As shown, it also includes a blower 13 and a dispersion frame 1301. The blower 13 is installed on the top of the mixing barrel 9 by bolts. The air outlet of the blower 13 is connected to the top of the mixing barrel 9. The dispersion frame 1301 is connected to the top of the mixing barrel 9. The bottom of the dispersion frame 1301 is evenly spaced with through holes 14.

[0020] like Figure 1 As shown, a cover plate 15 and a handle 16 are also included. The second funnel 12 is provided with the cover plate 15 , and the top of the cover plate 15 is connected to the handle 16 .

[0021] like Figure 1 As shown, an observation window 17 is also included. The observation window 17 is embedded in the mixing barrel 9, and the mixing status of the raw materials inside the mixing barrel 9 can be observed through the observation window 17.

[0022] When in use, first connect the discharge port 3 to the extruder through a pipeline; pour the raw materials for double-wall corrugated pipe production from the second funnel 12 into the mixing barrel 9, then cover the second funnel 12 with the cover plate 15 through the handle 16 to prevent foreign matter from falling into the mixing barrel 9 from the second funnel 12, and then start the second motor 10 to drive the stirring rod 11 to rotate, so as to mix and stir the raw materials. After the stirring is completed, start the first motor 6 to drive the screw rod 7 to rotate forward, thereby driving the extrusion block 8 to move, and then through the action of the chute and the push rod 802, the baffle 4 moves outward, and the mixed raw materials in the mixing barrel 9 fall into the feed barrel 2 through the first funnel 201. The rotation of the stirring rod 11 can completely scrape the raw materials in the mixing barrel 9. When all the raw materials in the mixing barrel 9 enter the feed barrel 2, start the first motor 6 to drive the screw rod 7 to reverse, thereby driving the extrusion block 8 to move in the opposite direction, so that the baffle 4 moves inward and resets the first funnel 2 of the mixing barrel 9 01 is blocked, raw materials can be continuously added into the mixing barrel 9 for mixing, so that the raw material mixing operation can be carried out continuously. When it is necessary to feed the extruder, the valve of the discharge port 3 is opened, so that the mixed raw materials in the feed barrel 2 enter the extruder through the discharge port 3 for melt extrusion, thereby completing the feeding operation, which can simplify the operation and improve work efficiency. When it is necessary to clean the mixing barrel 9 and the feed barrel 2, the baffle 4 is moved outward to open the channel between the mixing barrel 9 and the first funnel 201, and the valve of the discharge port 3 is opened, and then the blower 13 is started to blow air into the mixing barrel 9. After the airflow is dispersed through the through hole 14 on the dispersion frame 1301, a stable airflow is formed, and the airflow is blown to the stirring rod 11 and the mixing barrel 9, and then enters the feed barrel 2 through the first funnel 201 and is blown out from the discharge port 3. The mixing barrel 9 and the feed barrel 2 are cleaned by the flow of air, and the blower 13 is turned off after the cleaning is completed.

[0023] The above embodiments are provided for persons familiar with the art to implement or use the present invention. Personnel familiar with the art can make various modifications or changes to the above embodiments without departing from the utility model concept of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments, but should be the maximum scope of the innovative features mentioned in the claims.

Claims

1. A feeding device for producing double-wall corrugated pipes, characterized in that: The invention comprises a support (1), a feed barrel (2), a first funnel (201), a discharge port (3), a stirring barrel (9), a second funnel (12), a stirring mechanism and a material blocking mechanism. The feed barrel (2) is installed on the support (1). The bottom of the feed barrel (2) is connected to the discharge port (3). A valve is installed on the discharge port (3). The top of the feed barrel (2) is connected to the first funnel (201). The first funnel (201) is connected to a stirring barrel (9), the stirring barrel (9) is connected to a feed barrel (2) through the first funnel (201), a stirring mechanism for mixing and stirring raw materials is arranged at the upper part of the stirring barrel (9), a material blocking mechanism for blocking a passage between the stirring barrel (9) and the first funnel (201) is arranged at the lower part of the stirring barrel (9), and a second funnel (12) is connected to the upper part of the stirring barrel (9).

2. A feeding device for producing double-wall corrugated pipes as claimed in claim 1, characterized in that: The stirring mechanism comprises a second motor (10) and a stirring rod (11). The second motor (10) is installed at the middle position of the top of the stirring barrel (9). The top of the stirring barrel (9) is rotatably connected to the stirring rod (11). The output shaft of the second motor (10) is connected to the stirring rod (11). The stirring rod (11) has a stirring blade, and the stirring blade is located in the stirring barrel (9).

3. A feeding device for producing double-wall corrugated pipes as claimed in claim 1, characterized in that: The material blocking mechanism comprises a baffle (4), a fixing plate (5), a first motor (6), a screw rod (7), an extrusion block (8), a limiting rod (801) and a push rod (802). The bottom of the mixing barrel (9) is provided with a baffle (4), the baffle (4) is located above the first funnel (201), the baffle (4) is connected to the limiting rod (801), the limiting rod (801) is slidably connected to the bottom of the mixing barrel (9), and the bottom of the baffle (4) is connected to the push rod (802). 02), the top of the feed barrel (2) is connected to a fixed plate (5), the fixed plate (5) is rotatably connected to a screw rod (7), a first motor (6) is installed on the fixed plate (5), the output shaft of the first motor (6) is connected to the screw rod (7), an extrusion block (8) is threadedly connected to the screw rod (7), an inclined groove is provided on the extrusion block (8), a push rod (802) is slidably matched with the inclined groove on the extrusion block (8), and the extrusion block (8) is slidably matched with the bottom of the mixing barrel (9).

4. A feeding device for producing double-wall corrugated pipes as claimed in claim 1, characterized in that: It also includes a blower (13) and a dispersion frame (1301). The blower (13) is installed on the top of the mixing barrel (9). The air outlet of the blower (13) is connected to the top of the mixing barrel (9). The top of the mixing barrel (9) is connected to the dispersion frame (1301). The bottom of the dispersion frame (1301) is evenly spaced with through holes (14).

5. A feeding device for producing double-wall corrugated pipes as claimed in claim 1, characterized in that: It also includes a cover plate (15) and a handle (16). The second funnel (12) is provided with the cover plate (15), and the cover plate (15) is connected to the handle (16).

6. A feeding device for producing double-wall corrugated pipes as claimed in claim 1, characterized in that: It also includes an observation window (17), and the observation window (17) is embedded and connected to the mixing barrel (9).

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