CN110802827A - Feeding mechanism for plastic pipe production extruder - Google Patents
Feeding mechanism for plastic pipe production extruder Download PDFInfo
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- CN110802827A CN110802827A CN201911062234.8A CN201911062234A CN110802827A CN 110802827 A CN110802827 A CN 110802827A CN 201911062234 A CN201911062234 A CN 201911062234A CN 110802827 A CN110802827 A CN 110802827A
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- 239000004033 plastic Substances 0.000 title claims abstract description 86
- 229920003023 plastic Polymers 0.000 title claims abstract description 86
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 58
- 239000002994 raw material Substances 0.000 claims abstract description 54
- 238000012216 screening Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 238000007790 scraping Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/254—Sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to the field of plastic pipe production and processing devices, in particular to a feeding mechanism for a plastic pipe production extruder, which comprises a hopper, a feeding pipe, an anti-blocking structure, a crushing structure, a screening structure, a sealing structure and a pressure relief structure; be used for preventing the anti-clogging structure that the phenomenon of powder plastics raw materials "bridging" appears through the internally mounted at the hopper, can enough go on further smashing the powder plastics raw materials, can avoid the powder plastics raw materials again because the circumstances of self gravity jam inlet pipe appears, can also accelerate the speed of feeding, and prevent that the jam structure can drive crushing structure in step and carry out work in the work, work through crushing structure, can thoroughly smash the powder plastics raw materials of caking, thereby can avoid the powder plastics raw materials of caking to block up the inlet pipe, work through crushing structure promptly, can counteract and prevent the jam structure, make the work efficiency who prevents the jam structure higher.
Description
Technical Field
The invention relates to the field of plastic pipe production and processing devices, in particular to a feeding mechanism for a plastic pipe production extruder.
Background
Plastic pipes are generally produced by extruding synthetic resins, i.e. polyesters, as raw materials in a pipe-making machine by the "plastic" method with the addition of stabilizers, lubricants, plasticizers, etc. Because of its light weight, corrosion resistance, beautiful appearance, no bad smell, easy processing, convenient construction and other features, it has been used in building engineering more and more widely. The pipe is mainly used as a running water supply system pipe, a drainage, exhaust and pollution discharge sanitary pipe, an underground drainage pipe system, a rainwater pipe, a threading pipe for electric wire installation and assembly sleeve and the like of a house building. The extruder belongs to one of the types of plastic machinery, and can divide a machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of a screw. The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.
In the raw materials use of plastic tubing production extruder, also can often use the powder plastic raw materials, but because the powder plastic raw materials can absorb the moisture in the air depositing the in-process, thereby can lead to the condition that the caking can take place for the powder plastic raw materials, the powder raw materials of caking is pouring into hopper inside and is blockking up the hopper easily, thereby seriously influence the production efficiency of plastic tubing, and some powder plastic raw materials that contain large granule impurity are directly poured into inside back of hopper, will directly get into the inside of extruder, thereby can influence the production quality of plastic tubing greatly.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a feeding mechanism for a plastic pipe production extruder.
The technical scheme adopted by the invention for solving the technical problems is as follows: a feeding mechanism for a plastic tube production extruder comprises a hopper, a feeding tube, an anti-blocking structure, a crushing structure, a screening structure, a sealing structure and a pressure relief structure, wherein the feeding tube for feeding the powder plastic raw material is fixed at the bottom end of the hopper for temporarily containing the powder plastic raw material, and the anti-blocking structure for preventing the powder plastic raw material from blocking the feeding tube is connected inside the hopper; the crushing structure for crushing the agglomerated powder plastic raw materials is connected to the inner part of the hopper, and the screening structure for screening the powder plastic raw materials is installed at one end of the feeding pipe; the inside connection of inlet pipe has and is used for sealing feeding mechanism and extruder junction seal structure the inside connection of inlet pipe has and is used for right seal structure carries out the pressure release structure.
Specifically, prevent that the jam structure includes mounting panel, motor, shaft coupling, main shaft, scrapes flitch and dead lever the one end of inlet pipe is that the vertical relation is fixed the mounting panel the top of mounting panel can be dismantled and be connected with the motor the inside of hopper is rotated and is connected with the main shaft, just the main shaft with the motor passes through the shaft coupling is connected the external fixation of main shaft scrape the flitch, it is equipped with a plurality ofly, a plurality of to scrape the flitch and be annular array distribution, and a plurality of the cross-section of scraping the flitch is the arc structure, and is a plurality of it deviates from to scrape the flitch the one end of main shaft is all fixed the dead lever.
It is specific, crushing structure includes first belt pulley, belt, second belt pulley, pivot, puddler and crushing pole the external fixation of main shaft first belt pulley the internal rotation of hopper is connected with the pivot the external fixation of pivot the second belt pulley, just first belt pulley with the second belt pulley passes through the belt rotates and connects the external fixation of pivot the puddler, the puddler sets up a plurality ofly, and a plurality of the puddler is annular array and distributes, every the puddler deviates from the one end of pivot is all fixed the crushing pole, just the crushing pole with the puddler is 60 degrees contained angles.
Specifically, the screening structure comprises a discharge plate, a screen, a connecting plate, chutes, a slide block, a material receiving sleeve, a first spring, a slide bar, a wedge-shaped block, a push rod and a second spring, wherein the discharge plate with a concave-shaped cross section is fixed at one end of the feed pipe, the discharge plate and the feed pipe form a 45-degree included angle, the two chutes are arranged on the discharge plate in a symmetrical relationship, the slide block is connected inside the two chutes in a sliding manner, the first spring is clamped and fixed between the slide block and the discharge plate, the screen is arranged inside the discharge plate and the feed pipe, the connecting plate with an L-shaped structure is respectively fixed at two ends of the screen, the connecting plate is detachably connected with the slide block, and the screen and the connecting plate are connected with the discharge plate and the feed pipe in a sliding manner through the slide block, the material receiving sleeve is clamped and fixed between the discharging plate and the feeding pipe, the sliding rod is connected to the inside of the discharging plate and the feeding pipe in a sliding mode, the sliding rod is fixedly connected with the sliding block, the ejector rod is fixed to the outside of the main shaft and is rotatably connected with the feeding pipe, the wedge-shaped block is connected to the inside of the feeding pipe in a sliding mode, one end, deviating from the wedge-shaped structure, of the wedge-shaped block is of an arc-shaped structure, and the second spring is clamped and fixed between the wedge-shaped block and the feeding pipe.
Specifically, seal structure includes depression bar, clamp plate, gasbag, air flue, rubber circle and base, depression bar sliding connection in the inside of inlet pipe, just the depression bar with wedge piece fixed connection the depression bar deviates from the one end that wedges the piece is the vertical relation fixed the clamp plate, just the clamp plate with inlet pipe sliding connection the clamp plate with the centre gripping is fixed between the inlet pipe the gasbag the inlet pipe deviates from the one end of hopper is fixed the base the internally mounted of base the rubber circle, just the rubber circle is rectangle annular structure, the rubber circle is inside hollow structure, just the inside of gasbag with the inside of rubber circle is passed through the air flue communicates with each other.
Specifically, pressure release structure includes rubber buffer, third spring and pressure release hole the inside sliding connection of inlet pipe has the rubber buffer with the centre gripping is fixed between the inlet pipe the inside of inlet pipe sets up the pressure release hole, just the pressure release hole with the air flue can communicate with each other.
The invention has the beneficial effects that:
(1) the feeding mechanism for the plastic pipe production extruder, provided by the invention, can be used for further crushing the powder plastic raw material and preventing the powder plastic raw material from blocking a feeding pipe due to self gravity by installing the anti-blocking structure for preventing the powder plastic raw material from bridging in the hopper, can also be used for accelerating the feeding speed, and the anti-blocking structure can be used for synchronously driving the crushing structure to work while working, and can be used for thoroughly crushing the caked powder plastic raw material through the work of the crushing structure, so that the caked powder plastic raw material can be prevented from blocking the feeding pipe, namely, the anti-blocking structure can be reacted through the work of the crushing structure, the working efficiency of the anti-blocking structure is higher, namely, the motor is fixedly connected with a main shaft through a coupler, so that the main shaft can be driven to rotate when the motor works, because the plurality of scraping plates are distributed outside the main shaft in an annular array, namely the powder plastic raw material can be prevented from being bridged, the section of each scraping plate is of an arc-shaped structure, the feeding speed of the powder plastic raw material can be accelerated, and a fixed rod is fixed at one end of each scraping plate, which is far away from the main shaft, so that the effect of further crushing the powder plastic raw material can be achieved, in addition, because a first belt pulley is fixed outside the main shaft, a second belt pulley is fixed outside the rotating shaft, and the first belt pulley and the second belt pulley are rotationally connected through a belt, the main shaft can drive the rotating shaft to rotate while rotating, because a plurality of stirring rods which are staggered with each other are distributed outside the rotating shaft in an annular array, and a crushing rod is fixed at one end of each stirring rod, which is far away from the rotating shaft, and the crushing rod and the stirring rod form a 60-degree included angle, the stirring rods and the crushing rods are matched, can carry out abundant smashing with the powder plastic raw materials of caking to the condition that the powder plastic raw materials that can effectively avoid the caking blockked up the inlet pipe appears.
(2) The feeding mechanism for the plastic pipe production extruder can drive the screening structure to work simultaneously when the anti-blocking structure works, can sufficiently screen crushed powder plastic raw materials through the work of the screening structure, can prevent large particle impurities from entering the interior of the extruder, and can improve the product quality of the extruder, namely, because the ejector rod is fixed on the outer part of the main shaft, the main shaft can drive the ejector rod to rotate continuously in the feeding pipe simultaneously, because the wedge-shaped block with one wedge-shaped end and one arc-shaped end is connected in the feeding pipe in a sliding way, and the second spring is clamped and fixed between the wedge-shaped block and the feeding pipe, the wedge-shaped block can reciprocate in the feeding pipe through the matching use of the ejector rod and the second spring, and because the slide rod is connected in the feeding pipe and the discharging plate in a sliding way, the slider is fixed to the one end at the slide bar, slider and play flitch sliding connection, and the fixed first spring of centre gripping between slider and play flitch, through carving the continuous extrusion slide bar of shape, and the elasticity reset action of the first spring of cooperation, can realize the inside reciprocating motion of slider at a play flitch, and can dismantle with the slider owing to the screen cloth that is used for sieving the powder plastic raw materials passes through the connecting plate and is connected, thereby can drive the screen cloth through the reciprocating motion of slider and carry out continuous shake, thereby can realize the screening of screen cloth to the powder plastic raw materials, thereby can effectively avoid the inside large granule impurity of powder plastic raw materials to get into the inside of extruder.
(3) The feeding mechanism for the plastic pipe production extruder can synchronously drive the sealing structure to work while a screening structure works, can seal the joint between the feeding mechanism and the extruder through the work of the sealing structure, can effectively avoid the condition that powder plastic raw materials leak from the joint, can achieve the effect of saving raw materials, can carry out pressure relief work on the sealing structure through the arrangement of the pressure relief structure, can avoid the condition that the sealing structure is damaged due to overlarge air pressure, namely, can drive the pressure lever fixed with the wedge block to do reciprocating motion through the reciprocating motion of the wedge block, and because the pressure plate sliding with the feeding pipe is fixed at one end of the pressure lever, an air bag is clamped and fixed between the pressure plate and the feeding pipe, in the reciprocating motion process of the pressure lever, the pressing plate can continuously extrude the air bag, the air generated by the air bag can enter the rubber ring through the air passage, thereby the rubber ring is inflated and expanded, the gap between the feeding mechanism and the extruder can be compensated, thereby avoiding the leakage of the powder plastic raw material, and the rubber plug is connected in the feeding pipe in a sliding way, and the third spring is clamped and fixed between the rubber plug and the feeding pipe, when the air pressure in the air passage is not enough to push the rubber plug, the rubber plug can block the pressure relief hole to prevent air leakage, thereby ensuring the sealing of the rubber plug, when the air pressure in the air passage is too high, the air in the air passage can push the rubber plug to slide, at the moment, the pressure relief hole is communicated with the air passage, the pressure relief process inside the air passage can be completed, so that the condition that the rubber ring is damaged due to overhigh air pressure inside the air passage can be avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view showing the overall structure of a preferred embodiment of a feeding mechanism for a plastic pipe producing extruder according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the connection between the anti-jamming structure and the crushing structure shown in FIG. 1;
FIG. 4 is a schematic view of the connection between the hopper and the anti-clogging structure shown in FIG. 1;
FIG. 5 is a schematic view of the connection of the screening structure to the sealing structure shown in FIG. 1;
FIG. 6 is an enlarged view of the portion B shown in FIG. 5;
fig. 7 is a schematic structural view of the sealing structure shown in fig. 5.
In the figure: 1. hopper, 2, feed pipe, 3, anti-clogging structure, 31, mounting panel, 32, motor, 33, shaft coupling, 34, main shaft, 35, scraping plate, 36, fixed rod, 4, crushing structure, 41, first belt pulley, 42, belt, 43, second belt pulley, 44, rotating shaft, 45, stirring rod, 46, crushing rod, 5, screening structure, 51, discharge plate, 52, screen, 53, connecting plate, 54, chute, 55, slide block, 56, receiving sleeve, 57, first spring, 58, slide rod, 59, wedge block, 59a, ejector rod, 59b, second spring, 6, sealing structure, 61, compression rod, 62, pressing plate, 63, air bag, 64, air channel, 65, rubber ring, 66, base 7, pressure relief structure, 71, rubber plug, 72, third spring, 73, pressure relief hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the feeding mechanism for the plastic tube production extruder according to the present invention comprises a hopper 1, a feeding tube 2, an anti-clogging structure 3, a crushing structure 4, a screening structure 5, a sealing structure 6 and a pressure relief structure 7, wherein the feeding tube 2 for feeding the powdered plastic material is fixed at the bottom end of the hopper 1 for temporarily containing the powdered plastic material, and the anti-clogging structure 3 for preventing the powdered plastic material from clogging the feeding tube 2 is connected inside the hopper 1; the crushing structure 4 for crushing the agglomerated powder plastic raw materials is connected to the inner part of the hopper 1, and the screening structure 5 for screening the powder plastic raw materials is installed at one end of the feeding pipe 2; the inside of inlet pipe 2 is connected with and is used for sealing feed mechanism and extruder junction seal structure 6 the inside of inlet pipe 2 is connected with and is used for right seal structure 6 carries out the pressure release structure 7.
Specifically, prevent blockking up structure 3 and include mounting panel 31, motor 32, shaft coupling 33, main shaft 34, scrape flitch 35 and dead lever 36 the one end of inlet pipe 2 is that the vertical relation is fixed mounting panel 31 the top of mounting panel 31 can be dismantled and be connected with motor 32 the inside of hopper 1 is rotated and is connected with main shaft 34, just main shaft 34 with motor 32 passes through shaft coupling 33 connects the external fixation of main shaft 34 scrape flitch 35, scrape flitch 35 and be equipped with a plurality ofly, a plurality of scrape flitch 35 and be annular array distribution, and a plurality ofly the cross-section of scraping flitch 35 is the arc structure, and a plurality ofly scrape flitch 35 deviates from the one end of main shaft 34 is all fixed dead lever 36, because motor 32 passes through shaft coupling 33 with main shaft 34 fixed connection, consequently works as motor 32 work can drive main shaft 34 rotates, because the outside of main shaft 34 is the annular array and distributes and is had a plurality of scrape flitch 35, can prevent that powder plastic material from appearing "bridging" phenomenon promptly, and every scrape the cross-section of flitch 35 and be the arc structure, can accelerate powder plastic material's feed rate again, and every scrape the flitch 35 and deviate from the one end of main shaft 34 is all fixed dead lever 36 to can play the effect of further smashing powder plastic material.
Specifically, crushing structure 4 includes first belt pulley 41, belt 42, second belt pulley 43, pivot 44, puddler 45 and crushing pole 46 the external fixation of main shaft 34 first belt pulley 41 the inside of hopper 1 rotates to be connected with pivot 44 the external fixation of pivot 44 second belt pulley 43, just first belt pulley 41 with second belt pulley 43 passes through belt 42 rotates to be connected the external fixation of pivot 44 puddler 45, puddler 45 sets up a plurality ofly, and a plurality ofly puddler 45 is the annular array and distributes, every puddler 45 deviates from the one end of pivot 44 is all fixed crushing pole 46, just crushing pole 46 with puddler 45 is 60 degrees contained angles, owing to the external fixation of main shaft 34 first belt pulley 41 the external fixation of pivot 44 the second belt pulley 43, just first belt pulley 41 with second belt pulley 43 passes through belt 42 rotates and connects, consequently, main shaft 34 can drive in the pivoted pivot 44 rotates, because the outside of pivot 44 is that the annular array distributes and has a plurality of crisscross each other puddler 45, and every puddler 45 deviates from the one end of pivot 44 is all fixed puddler 46, just puddler 46 with puddler 45 is 60 degrees contained angles, through puddler 45 with the cooperation of puddler 46 is used, can carry out abundant crushing with the powder plastic raw materials of caking to the powder plastic raw materials jam that can effectively avoid the caking the condition of inlet pipe 2 appears.
Specifically, the screening structure 5 comprises a discharge plate 51, a screen 52, a connecting plate 53, a chute 54, a slider 55, a receiving sleeve 56, a first spring 57, a slide bar 58, a wedge block 59, a top rod 59a and a second spring 59b, the discharge plate 51 with a concave-shaped cross section is fixed at one end of the feeding pipe 2, the discharge plate 51 and the feeding pipe 2 form an included angle of 45 degrees, two chutes 54 are symmetrically arranged on the discharge plate 51, the slider 55 is slidably connected inside both chutes 54, the first spring 57 is clamped and fixed between the slider 55 and the discharge plate 51, the screen 52 is arranged inside the discharge plate 51 and the feeding pipe 2, the connecting plate 53 with an L-shaped structure is respectively fixed at both ends of the screen 52, and the connecting plate 53 is detachably connected with the slider 55, the screen 52 and the connecting plate 53 are slidably connected with the discharging plate 51 and the feeding pipe 2 through the sliding block 55, the receiving sleeve 56 is clamped and fixed between the discharging plate 51 and the feeding pipe 2, the sliding rod 58 is slidably connected inside the discharging plate 51 and the feeding pipe 2, the sliding rod 58 is fixedly connected with the sliding block 55, the top rod 59a is fixed outside the main shaft 34, the top rod 59a is rotatably connected with the feeding pipe 2, the wedge block 59 is slidably connected inside the feeding pipe 2, one end of the wedge block 59, which is far away from the wedge structure, is of an arc structure, the second spring 59b is clamped and fixed between the wedge block 59 and the feeding pipe 2, and as the top rod 59a is fixed outside the main shaft 34, the top rod 59a can be driven to continuously rotate inside the feeding pipe 2 while the main shaft 34 rotates, because the wedge-shaped block 59 with one wedge-shaped end and one arc-shaped end is slidably connected inside the feeding pipe 2, the second spring 59b is clamped and fixed between the wedge-shaped block 59 and the feeding pipe 2, the wedge-shaped block 59 can reciprocate inside the feeding pipe 2 through the matching use of the top rod 59a and the second spring 59b, the slide rod 58 is slidably connected inside the feeding pipe 2 and the discharging plate 51, the slide block 55 is fixed at one end of the slide rod 58, the slide block 55 is slidably connected with the discharging plate 51, the first spring 57 is clamped and fixed between the slide block 55 and the discharging plate 51, the slide rod 58 is continuously extruded through the wedge-shaped block 59, and the reciprocating motion of the slide block 55 inside the discharging plate 51 can be realized through the elastic force resetting action of the first spring 57, and the screen 52 for screening the powder plastic raw materials is detachably connected with the sliding block 55 through the connecting plate 53, so that the screen 52 can be driven to continuously shake through the reciprocating motion of the sliding block 55, the screen 52 can screen the powder plastic raw materials, and large particle impurities in the powder plastic raw materials can be effectively prevented from entering the extruder.
Specifically, the sealing structure 6 includes a pressing rod 61, a pressing plate 62, an air bag 63, an air passage 64, a rubber ring 65 and a base 66, the pressing rod 61 is slidably connected to the inside of the feeding pipe 2, the pressing rod 61 is fixedly connected to the wedge block 59, the pressing plate 62 is fixed at one end of the pressing rod 61 away from the wedge block 59 in a vertical relation, the pressing plate 62 is slidably connected to the feeding pipe 2, the air bag 63 is clamped and fixed between the pressing plate 62 and the feeding pipe 2, the base 66 is fixed at one end of the feeding pipe 2 away from the hopper 1, the rubber ring 65 is installed inside the base 66, the rubber ring 65 is in a rectangular ring structure, the rubber ring 65 is in an internal hollow structure, the inside of the air bag 63 is communicated with the inside of the rubber ring 65 through the air passage 64, and through the reciprocating motion of the wedge block 59, the pressing rod 61 fixed with the wedge-shaped block 59 can be driven to reciprocate, the pressing plate 62 fixed at one end of the pressing rod 61 and sliding with the feeding pipe 2 clamps and fixes the air bag 63 between the pressing plate 62 and the feeding pipe 2, so that the pressing plate 62 can continuously extrude the air bag 63 in the reciprocating motion process of the pressing rod 61, gas generated by the air bag 63 enters the rubber ring 65 through the air passage 64, the rubber ring 65 is inflated and expanded, the gap between the feeding mechanism and the extruder can be compensated, and the phenomenon that powder plastic raw materials leak can be avoided.
Specifically, the pressure relief structure 7 includes a rubber plug 71, a third spring 72 and a pressure relief hole 73, the rubber plug 71 is slidably connected to the inside of the feeding tube 2, the third spring 72 is clamped and fixed between the rubber plug 71 and the feeding tube 2, the pressure relief hole 73 is disposed inside the feeding tube 2, and the pressure relief hole 73 is communicable with the air passage 64, the rubber plug 71 is slidably connected to the inside of the feeding tube 2, and the third spring 72 is clamped and fixed between the rubber plug 71 and the feeding tube 2, when the air pressure inside the air passage 64 is not enough to push the rubber plug 71, the rubber plug 71 blocks the pressure relief hole 73 to prevent air leakage, thereby ensuring the sealing of the rubber plug 71, and when the air pressure inside the air passage 64 is too high, the air inside the air passage 64 pushes the rubber plug 71 to slide, at this time, the pressure relief hole 73 is communicated with the air passage 64, so that the pressure relief process inside the air passage 64 can be completed, and the condition that the rubber ring 65 is damaged due to overhigh air pressure inside the air passage 64 can be avoided.
When the powder plastic material feeding device is used, firstly, the feeding mechanism is installed at the position of a feeding hole of an extruder through the base 66, after the feeding mechanism and the extruder are installed, the motor 32 is electrically connected with an external power supply, so that the motor 32 can normally work, after the extruder works, the motor 32 is also in a working state, then, powder plastic materials can be poured into the hopper 1, as the motor 32 is fixedly connected with the main shaft 34 through the coupler 33, the main shaft 34 can be driven to rotate when the motor 32 works, and as the scraping plates 35 are distributed outside the main shaft 34 in an annular array manner, the powder plastic materials can be prevented from being bridged, and the cross section of each scraping plate 35 is of an arc-shaped structure, so that the feeding speed of the powder plastic materials can be accelerated, the fixing rod 36 is fixed at one end of each scraper plate 35, which is far away from the main shaft 34, so that the effect of further crushing the powder plastic raw material can be achieved; because the first belt pulley 41 is fixed outside the main shaft 34, the second belt pulley 43 is fixed outside the rotating shaft 44, and the first belt pulley 41 and the second belt pulley 43 are rotatably connected by the belt 42, the main shaft 34 can drive the rotating shaft 44 to rotate while rotating, because a plurality of mutually staggered stirring rods 45 are distributed outside the rotating shaft 44 in an annular array, and the crushing rod 46 is fixed at one end of each stirring rod 45 away from the rotating shaft 44, and the included angle between the crushing rod 46 and the stirring rod 45 is 60 degrees, agglomerated powder plastic raw materials can be sufficiently crushed by the matching use of the stirring rods 45 and the crushing rods 46, so that the condition that the agglomerated powder plastic raw materials block the feeding pipe 2 can be effectively avoided; the top rod 59a is fixed outside the main shaft 34, the top rod 59a can be driven to continuously rotate in the feeding pipe 2 while the main shaft 34 rotates, the wedge-shaped block 59 with one wedge-shaped end and one arc-shaped end is connected in the feeding pipe 2 in a sliding manner, the second spring 59b is clamped and fixed between the wedge-shaped block 59 and the feeding pipe 2, the wedge-shaped block 59 can reciprocate in the feeding pipe 2 through the matching use of the top rod 59a and the second spring 59b, the slide rod 58 is connected in the feeding pipe 2 and the discharging plate 51 in a sliding manner, the slide block 55 is fixed at one end of the slide rod 58, the slide block 55 is connected with the discharging plate 51 in a sliding manner, and the first spring 57 is clamped and fixed between the slide block 55 and the discharging plate 51, the slide bar 58 is continuously extruded by the wedge-shaped block 59, and the slide block 55 can reciprocate in the discharge plate 51 under the action of the elastic force reset of the first spring 57, and the screen 52 for screening the powder plastic raw material is detachably connected with the slide block 55 through the connecting plate 53, so that the screen 52 can be driven to continuously shake through the reciprocating motion of the slide block 55, the screen 52 can screen the powder plastic raw material, and large particle impurities in the powder plastic raw material can be effectively prevented from entering the extruder; the pressure rod 61 fixed with the wedge block 59 can be driven to reciprocate through the reciprocating motion of the wedge block 59, the pressure plate 62 sliding with the feeding pipe 2 is fixed at one end of the pressure rod 61, and the air bag 63 is clamped and fixed between the pressure plate 62 and the feeding pipe 2, so that the pressure plate 62 can continuously extrude the air bag 63 in the reciprocating motion process of the pressure rod 61, the gas generated by the air bag 63 enters the inner part of the rubber ring 65 through the air channel 64, the rubber ring 65 is inflated and expanded, and the gap between the feeding mechanism and the extruder can be compensated, so that the phenomenon of powder plastic raw materials can be avoided; through the inside sliding connection of inlet pipe 2 has rubber buffer 71, and rubber buffer 71 with the centre gripping is fixed between the inlet pipe 2 third spring 72 the inside atmospheric pressure of air flue 64 is not enough to promote when rubber buffer 71, rubber buffer 71 will pressure release hole 73 blocks up, prevents gas leakage, thereby guarantees rubber buffer 71's is sealed, works as when the inside atmospheric pressure of air flue 64 is too high, the inside gas of air flue 64 will promote rubber buffer 71 slides, this moment pressure release hole 73 with air flue 64 communicates with each other, can accomplish the inside pressure release process of air flue 64, thereby can avoid the inside atmospheric pressure of air flue 64 is too high to cause the condition that rubber ring 65 damaged appears.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A feed mechanism for a plastic pipe production extruder, which is characterized in that: the device comprises a hopper (1), a feeding pipe (2), an anti-blocking structure (3), a crushing structure (4), a screening structure (5), a sealing structure (6) and a pressure relief structure (7), wherein the feeding pipe (2) for feeding the powder plastic raw material is fixed at the bottom end of the hopper (1) for temporarily containing the powder plastic raw material, and the anti-blocking structure (3) for preventing the powder plastic raw material from blocking the feeding pipe (2) is connected inside the hopper (1); the crushing structure (4) for crushing the agglomerated powder plastic raw materials is connected to the inner part of the hopper (1), and the screening structure (5) for screening the powder plastic raw materials is installed at one end of the feeding pipe (2); the inside connection of inlet pipe (2) is used for sealing feed mechanism and extruder junction seal structure (6) the inside connection of inlet pipe (2) is used for right seal structure (6) carry out the pressure release structure (7).
2. A feeding mechanism for a plastic tube producing extruder as claimed in claim 1, wherein: the anti-blocking structure (3) comprises a mounting plate (31), a motor (32), a coupler (33), a main shaft (34), a scraping plate (35) and a fixing rod (36), the mounting plate (31) is fixed at one end of the feed pipe (2) in a vertical relationship, the top end of the mounting plate (31) is detachably connected with the motor (32), the main shaft (34) is rotatably connected in the hopper (1), the main shaft (34) is connected with the motor (32) through the coupler (33), the scraping plates (35) are fixed outside the main shaft (34), a plurality of scraping plates (35) are arranged, the scraping plates (35) are distributed in an annular array, the cross sections of the scraping plates (35) are all arc-shaped structures, the fixing rods (36) are fixed at one ends of the scraping plates (35) which are far away from the main shaft (34).
3. A feeding mechanism for a plastic tube producing extruder as claimed in claim 2, wherein: the crushing structure (4) comprises a first belt pulley (41), a belt (42), a second belt pulley (43), a rotating shaft (44), a stirring rod (45) and a crushing rod (46), the first belt pulley (41) is fixed outside the main shaft (34), the rotating shaft (44) is rotatably connected inside the hopper (1), the second belt pulley (43) is fixed outside the rotating shaft (44), and the first belt pulley (41) and the second belt pulley (43) are rotationally connected through the belt (42), the stirring rods (45) are fixed outside the rotating shaft (44), a plurality of stirring rods (45) are arranged, the stirring rods (45) are distributed in an annular array, the crushing rod (46) is fixed at one end of each stirring rod (45) which is far away from the rotating shaft (44), and the crushing rod (46) and the stirring rod (45) form an included angle of 60 degrees.
4. A feeding mechanism for a plastic tube producing extruder as claimed in claim 2, wherein: the screening structure (5) comprises a discharge plate (51), a screen (52), a connecting plate (53), sliding grooves (54), a sliding block (55), a receiving sleeve (56), a first spring (57), a sliding rod (58), a wedge-shaped block (59), a top rod (59 a) and a second spring (59 b), the discharge plate (51) with a concave-shaped section is fixed at one end of the feeding pipe (2), the discharge plate (51) and the feeding pipe (2) form a 45-degree included angle, the two sliding grooves (54) are symmetrically arranged on the discharge plate (51), the sliding blocks (55) are connected inside the two sliding grooves (54) in a sliding manner, the first spring (57) is clamped and fixed between the sliding blocks (55) and the discharge plate (51), the screen (52) is arranged inside the discharge plate (51) and the feeding pipe (2), the two ends of the screen (52) are respectively fixed with the connecting plates (53) which are in an L-shaped structure, the connecting plates (53) are detachably connected with the sliding block (55), the screen (52) and the connecting plates (53) are in sliding connection with the discharging plate (51) and the feeding pipe (2) through the sliding block (55), the material receiving sleeve (56) is clamped and fixed between the discharging plate (51) and the feeding pipe (2), the sliding rod (58) is in sliding connection with the inside of the discharging plate (51) and the feeding pipe (2), the sliding rod (58) is fixedly connected with the sliding block (55), the ejector rod (59 a) is fixed on the outside of the main shaft (34), the ejector rod (59 a) is in rotating connection with the feeding pipe (2), and the wedge block (59) is in sliding connection with the inside of the feeding pipe (2), and one end of the wedge-shaped block (59) departing from the wedge-shaped structure is of an arc-shaped structure, and the second spring (59 b) is clamped and fixed between the wedge-shaped block (59) and the feeding pipe (2).
5. A feeding mechanism for a plastic tube producing extruder as claimed in claim 4, wherein: the sealing structure (6) comprises a pressing rod (61), a pressing plate (62), an air bag (63), an air passage (64), a rubber ring (65) and a base (66), the pressing rod (61) is connected inside the feeding pipe (2) in a sliding mode, the pressing rod (61) is fixedly connected with the wedge-shaped block (59), the pressing plate (62) is fixed at one end, deviating from the wedge-shaped block (59), of the pressing rod (61) in a vertical relation, the pressing plate (62) is connected with the feeding pipe (2) in a sliding mode, the air bag (63) is fixedly clamped between the pressing plate (62) and the feeding pipe (2), the base (66) is fixed at one end, deviating from the hopper (1), of the feeding pipe (2), the rubber ring (65) is installed inside the base (66), the rubber ring (65) is of a rectangular annular structure, and the rubber ring (65) is of an internal hollow structure, and the interior of the air bag (63) is communicated with the interior of the rubber ring (65) through the air channel (64).
6. A feeding mechanism for a plastic tube producing extruder as claimed in claim 5, wherein: pressure relief structure (7) include rubber buffer (71), third spring (72) and pressure release hole (73) the inside sliding connection of inlet pipe (2) has rubber buffer (71) with the centre gripping is fixed between inlet pipe (2) third spring (72) the inside of inlet pipe (2) sets up pressure release hole (73), just pressure release hole (73) with air flue (64) can communicate with each other.
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| CN201911062234.8A CN110802827B (en) | 2019-11-02 | 2019-11-02 | Feeding mechanism for plastic pipe production extruder |
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| CN201911062234.8A CN110802827B (en) | 2019-11-02 | 2019-11-02 | Feeding mechanism for plastic pipe production extruder |
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| CN110802827B CN110802827B (en) | 2020-11-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451216A (en) * | 2020-06-03 | 2020-07-28 | 广州帝森康体设备有限公司 | Powder recycling conveying device for producing synthetic materials |
| CN111590862A (en) * | 2020-06-01 | 2020-08-28 | 扬州市苏达科技发展有限公司 | Automatic feeding device for mixed plastic color master batches |
| CN112175293A (en) * | 2020-10-22 | 2021-01-05 | 武汉金牛经济发展有限公司 | High-impact PP-R pipe and preparation method thereof |
| CN112776225A (en) * | 2021-02-05 | 2021-05-11 | 马超 | Feeding device for plastic particle production |
| CN114030156A (en) * | 2021-10-27 | 2022-02-11 | 山东卓越管业有限公司 | Formula of nano antibacterial pipe and single-screw extruder for processing nano antibacterial pipe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204354455U (en) * | 2014-11-17 | 2015-05-27 | 普力信包装材料(上海)有限公司 | A kind of high-efficiency screw extruder that can control blowing |
| CN207465820U (en) * | 2017-11-29 | 2018-06-08 | 喀什市新秦管业有限责任公司 | A kind of equipment for automatically processing of PE feed pipes |
-
2019
- 2019-11-02 CN CN201911062234.8A patent/CN110802827B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204354455U (en) * | 2014-11-17 | 2015-05-27 | 普力信包装材料(上海)有限公司 | A kind of high-efficiency screw extruder that can control blowing |
| CN207465820U (en) * | 2017-11-29 | 2018-06-08 | 喀什市新秦管业有限责任公司 | A kind of equipment for automatically processing of PE feed pipes |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590862A (en) * | 2020-06-01 | 2020-08-28 | 扬州市苏达科技发展有限公司 | Automatic feeding device for mixed plastic color master batches |
| CN111451216A (en) * | 2020-06-03 | 2020-07-28 | 广州帝森康体设备有限公司 | Powder recycling conveying device for producing synthetic materials |
| CN112175293A (en) * | 2020-10-22 | 2021-01-05 | 武汉金牛经济发展有限公司 | High-impact PP-R pipe and preparation method thereof |
| CN112776225A (en) * | 2021-02-05 | 2021-05-11 | 马超 | Feeding device for plastic particle production |
| CN114030156A (en) * | 2021-10-27 | 2022-02-11 | 山东卓越管业有限公司 | Formula of nano antibacterial pipe and single-screw extruder for processing nano antibacterial pipe |
| CN114030156B (en) * | 2021-10-27 | 2023-11-03 | 山东卓越管业有限公司 | Formula of nano antibacterial pipe and single screw extruder for processing same |
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|---|---|
| CN110802827B (en) | 2020-11-24 |
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Effective date of registration: 20201013 Address after: 311800 Jinling Village, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: Zhejiang Hengfa Pipe Industry Co.,Ltd. Address before: 317205 No.25, group 3, Qianding village, jiejie Town, Tiantai County, Taizhou City, Zhejiang Province Applicant before: Pang Haifeng |
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Denomination of invention: A feeding mechanism for plastic pipe production extruder Effective date of registration: 20220819 Granted publication date: 20201124 Pledgee: Agricultural Bank of China Limited Zhuji sub branch Pledgor: Zhejiang Hengfa Pipe Industry Co.,Ltd. Registration number: Y2022980013063 |