CN213891155U - Automatic feeding anti-blocking device of screw extruder - Google Patents

Abstract

The utility model relates to a plastic conduit production facility especially relates to a screw extruder's automatic feeding prevents stifled device, has solved and has avoided the discharge gate to plug up among the prior art, improves the discharge efficiency's of extruder discharge gate problem, and it includes the inlet pipe, be provided with automatic feeding device on the inlet pipe, automatic feeding device is including the casing of feeding, be provided with the discharge gate of carrying the material granule in the orientation inlet pipe on the casing of feeding, the casing below of feeding is provided with the orientation or keeps away from the restriction board that discharge gate mobility control discharge gate material granule flows, and this application has the effect that improves extruder discharge gate discharging efficiency.

Description

Automatic feeding anti-blocking device of screw extruder

Technical Field

The application relates to plastic pipeline production equipment, in particular to an automatic feeding anti-blocking device of a screw extruder.

Background

The PVC pipe is widely applied, an extruder is inevitably used in the production process of the PVC pipe, the molten plastic in the alloy steel cylinder is cooled and solidified when the PVC pipe needs to be shut down for a short time in the production process, and the molten plastic in the alloy steel cylinder is solidified and then extruded into waste products in the next startup production, so that the waste of raw materials is caused; and at present, no metering system is arranged on a discharge port of the extruder on the market, so that the phenomenon of insufficient feeding often occurs, the quality of the produced product cannot meet the requirement due to the defect, and the enterprise benefit is seriously influenced.

In the prior art, referring to fig. 1, an automatic feeding device of a screw extruder includes a feeding pipe 1, a charging housing 21 is arranged above the feeding pipe 1, the lower end of the side wall of the charging housing 21 is inserted into the feeding pipe 1, a feeding port 211 is arranged above the charging housing 21, and a discharging port 212 is arranged at one end of the charging housing 21 inserted into the feeding pipe 1.

In view of the above-mentioned related art, the inventors considered that there was a defect that the discharge port 212 might be clogged during the discharge so that the charging housing 21 could not be continuously supplied into the feeding pipe 1.

SUMMERY OF THE UTILITY MODEL

In order to avoid the discharge gate to plug up, improve the discharging efficiency of extruder discharge gate, this application provides a screw extruder's automatic feeding prevents stifled device.

The application provides a pair of automatic feeding anti-blocking device of screw extruder adopts following technical scheme:

the utility model provides a screw extruder's automatic feeding prevents stifled device, its includes the inlet pipe, be provided with the casing of feeding on the inlet pipe, it pegs graft in the inlet pipe to feed casing lateral wall lower extreme, the casing of feeding includes the depressed part, be provided with the discharge gate on the depressed part, the discharge gate below is provided with and can accepts the interior material granule that falls of discharge gate and the leading-in restriction board in the inlet pipe, be connected with the inserted bar between restriction board and the depressed part.

Through adopting above-mentioned technical scheme, the material granule receives gravity to fall on the restriction board, gives a vertical decurrent impact force of restriction board for the restriction board takes place to shake, drives and inserts the pole shake, inserts the pole and drives the depressed part shake, finally makes the discharge gate be difficult to take place the problem of jam, improves the discharging efficiency of extruder discharge gate.

Optionally, the limiting plate is a curved surface protruding towards the discharge hole.

Through adopting above-mentioned technical scheme, the limiting plate is the curved surface shape, and the limiting plate top is difficult to deposit the material granule, and the effect of discharge gate discharge material granule is better, improves work efficiency.

Optionally, an insertion groove is formed in the recessed portion, an insertion block is fixedly arranged in the insertion groove, the insertion block is provided with an insertion hole, an insertion rod penetrates through the insertion hole, an insertion ring is fixedly arranged at one end, located at the insertion groove, of the insertion rod, a spring assembly is sleeved on the side wall of the insertion rod, the spring assembly comprises a spring, and two ends of the spring are fixedly arranged on the insertion block and the limiting plate respectively.

Through adopting above-mentioned technical scheme, the spring cup joints on the inserted bar, and when the material granule fell down, reciprocating motion about the spring atress realized for the restriction board collision effect is more obvious, thereby reduces the problem that the discharge gate is difficult to plug up, improves the discharging efficiency of extruder discharge gate.

Optionally, the outer side of the spring is sleeved with a foldable rubber tube, and two ends of the rubber tube are fixedly connected with an insertion block and a limiting plate respectively.

Through adopting above-mentioned technical scheme, the rubber tube can avoid during the material granule enters into the spring, can improve the result of use of spring, improves work efficiency.

Optionally, the limiting plate is fixedly provided with a connecting rod towards the inner surface of the feeding pipe, and one end of the connecting rod, which is far away from the limiting plate, is fixedly provided with a connecting block.

Through adopting above-mentioned technical scheme, in the material granule fell into the discharge pipe from the restriction pole, the material gave the ascending support power of connecting block for the restriction board removes towards the discharge gate, finally makes the restriction board plug up the discharge gate, and the material granule exerts ascending support power for the connecting block, and the effect is better, improves work efficiency.

Optionally, the connecting block is of a spherical structure.

Through adopting above-mentioned technical scheme, the effect that the connecting block is spherical structure is better, can improve the practicality of connecting block, improves work efficiency.

Optionally, a feed inlet is arranged above the charging shell, and a conveying device for conveying material particles into the charging shell is arranged above the feed inlet.

Through adopting above-mentioned technical scheme, conveyer carries the material to the feed inlet in, avoids the manual work to put in the material to the casing top of feeding, improves work efficiency.

Optionally, the conveyer includes the material casing, be connected with the conveyer pipe between material casing and the feed inlet, be provided with the hob that can transport the material granule towards the feed inlet in the conveyer pipe, hob one end fixedly connected with electric machine part.

Through adopting above-mentioned technical scheme, it is rotatory that motor spare drives the hob, and the material granule is carried to the feed inlet in the material casing, avoids artifical work efficiency low, improves conveying efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the material particles fall on the limiting plate under the action of gravity, and a vertical downward impact force is applied to the limiting plate, so that the limiting plate shakes to drive the inserting rod to shake, the inserting rod drives the concave part to shake, the problem that the discharge port is not easily blocked is finally solved, and the discharge efficiency of the discharge port of the extruder is improved;

2. the material particles fall into the discharge pipe from the limiting rod, the material provides an upward supporting force for the connecting block, so that the limiting plate moves towards the discharge hole, the discharge hole is finally blocked by the limiting plate, the upward supporting force is applied to the connecting block by the material particles, the effect is better, and the working efficiency is improved;

3. the motor part drives the screw rod to rotate, and material particles are conveyed to the feeding hole from the inside of the material shell, so that the low manual working efficiency is avoided, and the conveying efficiency is improved.

Drawings

FIG. 1 is a schematic view of a background art extruder;

FIG. 2 is a schematic structural view of an automatic feeding anti-blocking device of a screw extruder;

FIG. 3 is a cross-sectional view of an automatic feeding anti-clogging device of a screw extruder;

FIG. 4 is a partially enlarged view of the automatic feeding block preventing device of the screw extruder at A.

Description of reference numerals: 1. a feed pipe; 2. an automatic feeding device; 21. a charging housing; 211. a feed inlet; 212. a recessed portion; 2121. a discharge port; 213. a limiting plate; 214. inserting the groove; 2141. inserting a block; 2142. an insertion rod; 2143. an insert ring; 215. a connecting rod; 216. connecting blocks; 22. an elastic component; 221. a spring; 222. a rubber tube; 3. a conveying device; 31. a material housing; 32. a delivery pipe; 321. an input port; 322. an output port; 33. a screw rod; 34. an electric machine member.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses screw extruder's automatic feeding prevents stifled device.

Referring to fig. 2, an automatic feeding anti-blocking device of a screw extruder comprises a feeding pipe 1, an automatic feeding device 2 is arranged above the feeding pipe 1, and the automatic feeding device 2 comprises a feeding shell 21.

Referring to fig. 3, a feed inlet 211 is formed in a side wall of the charging case 21, and a transfer device 3 for transferring the material into the charging case 21 is inserted into the feed inlet 211.

The conveying device 3 comprises a material shell 31, a conveying pipe 32 is connected between the material shell 31 and the feeding hole 211, an input port 321 is arranged at one end, close to the material shell 31, of the conveying pipe 32, and an output port 322 is arranged at one end, far away from the input port 321, of the conveying pipe 32. A screw 33 is provided in the feed pipe 32, and the screw 33 has the same longitudinal direction as the feed pipe 32. The upper end of the delivery pipe 32 is provided with a motor element 34 fixedly connected with a screw rod 33.

Referring to fig. 4, the lower end of the charging housing 21 is inserted into the feeding pipe 1, a concave portion 212 is formed on the lower bottom surface of the charging housing 21, the concave portion 212 is a curved surface shape concave toward the inside of the charging housing 21, and a plurality of discharge ports 2121 are formed on the concave portion 212, where six discharge ports 2121 are uniformly distributed along the center of the curved surface of the concave portion 212.

An insertion groove 214 is formed in the center of the recessed portion 212, an insertion block 2141 is fixedly disposed in the insertion groove 214, an insertion hole is formed in the insertion block 2141, an insertion rod 2142 is penetratingly disposed in the insertion hole, the length direction of the insertion rod 2142 is parallel to the opening direction of the insertion groove 214, an insertion ring 2143 for limiting the insertion rod 2142 from being removed from the insertion hole is disposed at one end of the insertion rod 2142, and the insertion ring 2143 is attached to the bottom surface of the insertion groove 214.

A limiting plate 213 is disposed below the charging case 21, the limiting plate 213 has a curved shape protruding toward the discharge port 2121, and one end of the insertion rod 2142 remote from the insertion block 2141 is fixedly coupled to the limiting plate 213.

An elastic component 22 is fixedly connected between the limiting plate 213 and the charging housing 21, the elastic component 22 includes a spring 221, the spring 221 is sleeved on the side wall of the insertion rod 2142, and two ends of the spring 221 are respectively fixed on the insertion block 2141 and the limiting plate 213.

A foldable rubber tube 222 is sleeved outside the spring 221, and two ends of the rubber tube 222 are respectively and fixedly connected between the insertion block 2141 and the limiting plate 213.

Referring to fig. 3, a connecting rod 215 is disposed on a surface of the limiting plate 213 away from the charging housing 21, and a connecting block 216 is fixedly disposed at an end of the connecting rod 215 away from the limiting plate 213, where the connecting block 216 is a spherical structure.

The implementation principle of the automatic feeding anti-blocking device of the screw extruder in the embodiment of the application is as follows:

first, the motor 34 is actuated by placing the material in the material housing 31, and the material particles are conveyed into the charging housing 21 through the material housing 31 by the screw 33.

When material particles are required to be added into the feeding pipe 1, the connecting rod 215 is driven by the connecting block 216 to pull the limiting plate 213 to move away from the discharge port 2121, the material particles entering the charging shell 21 fall onto the limiting plate 213 through the discharge port 2121, and the material particles on the limiting plate 213 slide into the feeding pipe 1 from a higher position.

The material particles fall into the upper surface of the limiting plate 213 from the discharge port 2121, so that the limiting plate 213 drives the spring 221 to extend and retract up and down in a reciprocating manner, meanwhile, the limiting plate 213 drives the insertion rod 2142 to move back and forth towards or away from the bottom of the insertion groove 214, the insertion rod 2142 drives the insertion ring 2143 to move back and forth towards or away from the bottom of the insertion groove 214, the insertion ring 2143 continuously collides with the bottom of the insertion groove 214 during the reciprocating movement process, the vibration of the concave portion 212 is continuously generated, the problem of blockage of the material particles on the discharge port 2121 can be reduced, and the feeding efficiency of the feed port 211 of the extruder is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a screw extruder's automatic feeding prevents stifled device, its includes inlet pipe (1), be provided with casing (21) of feeding on inlet pipe (1), casing (21) of feeding lateral wall lower extreme is pegged graft in inlet pipe (1), its characterized in that: the charging shell (21) comprises a concave part (212), a discharge hole (2121) is formed in the concave part (212), a limiting plate (213) capable of receiving material particles falling from the discharge hole (2121) and guiding the material particles into the feeding pipe (1) is arranged below the discharge hole (2121), and an inserting rod (2142) is connected between the limiting plate (213) and the concave part (212).

2. The automatic feeding anti-blocking device of the screw extruder in claim 1 is characterized in that: the restricting plate (213) has a curved surface shape protruding toward the discharge port (2121).

3. The automatic feeding anti-blocking device of the screw extruder in claim 1 is characterized in that: the improved structure of the spring comprises a concave portion (212), wherein an insertion groove (214) is formed in the concave portion (212), an insertion block (2141) is fixedly arranged in the insertion groove (214), an insertion hole is formed in the insertion block (2141), an insertion rod (2142) penetrates through the insertion hole, an insertion ring (2143) is fixedly arranged at one end, located in the insertion groove (214), of the insertion rod (2142), a spring (221) assembly is sleeved on the side wall of the insertion rod (2142), the spring (221) assembly comprises a spring (221), and two ends of the spring (221) are fixedly arranged on the insertion block (2141) and a limiting plate (213) respectively.

4. The automatic feeding anti-blocking device of the screw extruder in claim 3 is characterized in that: the outer side of the spring (221) is sleeved with a foldable rubber pipe (222), and two ends of the rubber pipe (222) are fixedly connected with an insertion block (2141) and a limiting plate (213) respectively.

5. The automatic feeding anti-blocking device of the screw extruder in claim 3 is characterized in that: the surface of limiting plate (213) towards the feeding pipe (1) is fixedly provided with a connecting rod (215), and one end of connecting rod (215) far away from limiting plate (213) is fixedly provided with a connecting block (216).

6. The automatic feeding anti-blocking device of the screw extruder in claim 5 is characterized in that: the connecting block (216) is of a spherical structure.

7. The automatic feeding anti-blocking device of the screw extruder in claim 1 is characterized in that: a feeding hole (211) is formed in the upper portion of the charging shell (21), and a conveying device (3) used for conveying material particles into the charging shell (21) is arranged above the feeding hole (211).

8. The automatic feeding anti-blocking device of the screw extruder in claim 7 is characterized in that: conveyer (3) are including material casing (31), be connected with conveyer pipe (32) between material casing (31) and feed inlet (211), be provided with in conveyer pipe (32) and can be towards feed inlet (211) hob (33) of carrying the material granule, hob (33) one end fixedly connected with electric machine part (34).

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