CN210211284U - Material conveying device of screw extruder - Google Patents

Abstract

The utility model discloses a screw extruder's feeding device relates to screw extruder's technical field, including defeated material subassembly, defeated material subassembly includes first frame, sets up the first feeder hopper in first frame to and the conveying pipeline that sets up in first frame and be linked together with first feeder hopper lower extreme, the conveying pipeline slope sets up, and is less than the one end of keeping away from first feeder hopper near the one end of first feeder hopper, the conveying pipeline internal rotation is connected with the first screw rod that the surface has propeller blade, still be provided with the first drive assembly of the first screw rod pivoted of drive in the first frame. Through being provided with defeated material subassembly, need not the workman and pour the raw materials into in the feed inlet closely, avoided the possibility that the workman is burnt by steam, improved workman's operation safety and life safety.

Description

Material conveying device of screw extruder

Technical Field

The utility model relates to a screw extruder's technical field, more specifically say, it relates to a screw extruder's feeding device.

Background

In the plastic extrusion molding equipment, the plastic extruder is generally called a main machine, and the subsequent equipment matched with the plastic extruder is called an auxiliary machine. After the development of the plastic extruder for more than 100 years, multiple types of double screws, multiple screws and even no screws and the like are derived from the original single screw. The plastic extruder (main machine) can be matched with various plastic forming auxiliary machines for pipe material, film, bar material, monofilament, flat filament, packing belt, extruding net, plate (sheet) material, profiled bar, granulating and cable covering, etc. to form various plastic extrusion forming production lines to produce various plastic products. Therefore, the plastic extrusion molding machine is one of the machines widely used in the plastic processing industry at present or in the future.

In the prior art, raw materials are generally poured into a feed port of a screw extruder manually, and in the actual use process, the internal temperature of the screw extruder is high and generally higher than 130 ℃, so the ambient temperature of the screw extruder is high. When the worker pours the raw materials into the feed inlet, hot air in the screw extruder moves to the feed inlet under the impact force of the poured raw materials, so that the worker is burnt, and the life safety of the worker is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a screw extruder's feeding device through being provided with defeated material subassembly, need not the workman and closely pours the raw materials into the feed inlet in, has avoided the possibility that the workman is burnt by steam, has improved workman's operation safety and life safety.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a screw extruder's feeding device, includes defeated material subassembly, defeated material subassembly includes first frame, sets up the first feeder hopper on first frame to and set up the conveying pipeline that is linked together in first frame and with first feeder hopper lower extreme, the conveying pipeline slope sets up, and is less than the one end of keeping away from first feeder hopper near the one end of first feeder hopper, the conveying pipeline internal rotation is connected with the first screw rod that the surface has propeller blade, still be provided with the first drive assembly of the first screw rod pivoted of drive in the first frame.

Through adopting above-mentioned technical scheme, the during operation is placed the feeding subassembly in screw extruder's feed inlet department to make the conveying pipeline correspond the setting with screw extruder's feed inlet, then the workman pours the raw materials into first feeder hopper in, start first drive assembly after that, first drive assembly drives first screw rod and rotates. The first screw rod of pivoted can drive the propeller blade who sets up above that and rotate to promote the raw materials in the first feeder hopper and move the other end to the conveying pipeline along conveying pipeline length direction, the last raw materials is under the effect of gravity, and the free fall is in the feed inlet of screw machine extruder, accomplishes the feeding of raw and other materials.

Through being provided with defeated material subassembly, need not the workman and pour the raw materials into in the feed inlet closely, avoided the possibility that the workman is burnt by steam, improved workman's operation safety and life safety. And need not the workman and climb to the eminence for pour the raw materials into in the feed inlet, the workman's that improves maneuverability.

The utility model discloses further set up to: the first driving assembly comprises a first motor arranged on the first frame, a first belt wheel coaxially arranged on an output shaft of the first motor, a transmission belt sleeved on the first belt wheel and meshed with the first belt wheel, and a second belt wheel coaxially arranged on the first screw rod, wherein the second belt wheel is parallel to the first belt wheel and meshed with the transmission belt.

Through adopting above-mentioned technical scheme, during operation, the output shaft of first motor drives first band pulley and rotates to drive the transmission belt motion of cover on first band pulley, make the second band pulley that is located the transmission belt other end rotate, pivoted second band pulley can drive first screw rod and rotate, thereby accomplish the transportation of raw materials.

The utility model discloses further set up to: the end of the conveying pipe far away from the first feed hopper is sealed, and a vertically arranged feeding short pipe is arranged at the end of the conveying pipe far away from the first feed hopper.

Through adopting above-mentioned technical scheme for inject the whereabouts direction of raw materials, prevent that the raw materials from being done the motion of being close to first frame along the conveying pipeline surface, lead to the raw materials to drop subaerial, cause the waste of raw materials.

The utility model discloses further set up to: the first rack is provided with a universal wheel, and the universal wheel is provided with a braking piece.

Through adopting above-mentioned technical scheme, make things convenient for the workman to move defeated material subassembly, improve workman's maneuverability, reduce workman's work burden.

The utility model discloses further set up to: the feeding device still includes storage assembly, storage assembly with feeding assembly swing joint, storage assembly includes the second frame, sets up storage section of thick bamboo in the second frame and sets up on storage section of thick bamboo and be close to the discharging pipe of storage section of thick bamboo lower extreme setting, be provided with the control assembly of control ejection of compact on the discharging pipe.

Through adopting above-mentioned technical scheme, when will feeding, correspond the discharging pipe and place the first feeder hopper of defeated material subassembly, the workman opens the control assembly for the raw materials that are located storage cylinder are carried into to first feeder hopper through the discharging pipe in, at last through defeated material subassembly with its transportation to screw extruder in process.

Through being provided with storage component, make things convenient for workman's feeding, improve workman's maneuverability and work efficiency, reduce workman's work burden.

The utility model discloses further set up to: the storage section of thick bamboo lower extreme is provided with the inlet pipe, inlet pipe internal rotation connects the second screw rod that the surface has propeller blade, be provided with the second motor in the second frame, the output shaft of second motor with second screw rod coaxial coupling, just still be provided with in the second frame with the inlet pipe corresponds the second feeder hopper that sets up, the second feeder hopper with the inlet pipe is linked together.

Through adopting above-mentioned technical scheme, during the storage, the workman pours the raw materials into in the second feeder hopper, because second feeder hopper and inlet pipe are linked together for the raw materials enters into in the inlet tube, and under the drive of pivoted second screw rod, the raw materials enters into the storage section of thick bamboo and stores, the feeding after being convenient for.

The utility model discloses further set up to: be provided with the filter sieve in the second feeder hopper, filter sieve one end hinge on the second feeder hopper keep away from a lateral wall of inlet pipe, other end butt on the inlet pipe.

Through adopting above-mentioned technical scheme, because the raw materials generally all purchase and return, the raw materials in bags exist certain caking, through being provided with the filtration sieve board for carry out certain screening to the raw materials of caking, and with the raw materials dispersion of caking, the processing after being convenient for.

The utility model discloses further set up to: and a magnet is arranged on the filtering sieve plate.

Through adopting above-mentioned technical scheme for adsorb the iron impurity of sneaking into in the raw materials, prevent that these impurity from entering into then can scraping the inner wall of bad screw rod and screw extruder in the screw extruder, can destroy the inner structure of screw extruder in the past this for a long time, lead to the screw extruder to destroy, reduced life. And prevent iron impurities from being mixed into the product to influence the product quality.

The utility model discloses further set up to: the lower end of the storage barrel is arranged in a conical shape, a material return pipe is further arranged on the storage barrel, the material return pipe is arranged corresponding to the second feeding hopper, and a control assembly for controlling discharging is also arranged on the upper surface of the material return pipe.

Through adopting above-mentioned technical scheme, the toper setting of storage cylinder for lead to the raw materials, the ejection of compact of the raw materials of being convenient for improves the work efficiency of mill.

Be provided with the feed back pipe for carry out screening once more to the raw materials, reduce the iron impurity in the raw materials, thereby improve product quality and screw extruder's life.

The utility model discloses further set up to: the discharging pipe and feed back pipe upper surface have all been seted up the joint groove, control assembly sets up on the joint groove, and it includes the closed door of joint in the joint inslot, closed door one end articulates on the discharging pipe, the other end is provided with the handle, just joint groove length equals or is greater than semicircular arc length.

Through adopting above-mentioned technical scheme, the during operation, workman rotate the closing door through the handle for the closing door bottom no longer contacts with the internal surface of discharging pipe, thereby makes the raw materials come out from the clearance between closing door and the discharging pipe internal surface, the workman of being convenient for controls the ejection of compact of raw materials.

Compared with the prior art, the utility model has the advantages that:

1. through the material conveying assembly, workers do not need to pour the raw materials into the feeding port in a short distance, the possibility that the workers are burnt by hot gas is avoided, and the operation safety and the life safety of the workers are improved;

2. through being provided with storage component, make things convenient for workman's feeding, improve workman's maneuverability and work efficiency, reduce workman's work burden.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a plan sectional view of a feed delivery module;

fig. 3 is a schematic diagram of the explosion structure of the present invention;

fig. 4 is a plan sectional view of the magazine assembly.

Reference numerals: 100. a material conveying component; 110. a first frame; 111. a universal wheel; 120. a first feed hopper; 130. a delivery pipe; 131. a short feeding pipe; 132. a first screw; 140. a first drive assembly; 141. a first motor; 142. a first pulley; 143. a second pulley; 144. a drive belt; 200. a material storage assembly; 210. a second frame; 220. a storage cylinder; 230. a feed pipe; 231. a second screw; 232. a second motor; 240. a second feed hopper; 241. filtering the sieve plate; 242. a magnet; 250. a discharge pipe; 260. a material return pipe; 270. a control component; 271. a clamping groove; 272. closing the door; 273. a handle.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1, the feeding device of the screw extruder comprises a feeding component 100 and a storage component 200, wherein the feeding component 100 and the storage component 200 are movably connected.

Referring to fig. 1 and 2, the feeding module 100 includes a first frame 110, a first feeding hopper 120 welded to the first frame 110, and a feeding pipe 130 welded to the first frame 110 and communicating with a lower end of the first feeding hopper 120. The feeding pipe 130 is disposed obliquely, and one end close to the first feeding hopper 120 is lower than one end far away from the first feeding hopper 120. A first screw 132 having an outer surface provided with a propeller blade is rotatably connected to the feed delivery pipe 130, and a first driving assembly 140 for driving the first screw 132 to rotate is further disposed on the first frame 110.

In this embodiment, one end of the feeding pipe 130 away from the first feeding hopper 120 is hermetically disposed, and a feeding short pipe 131 is welded to one end of the feeding pipe 130 away from the first feeding hopper 120 and vertically disposed to improve the feeding quality of the feeding assembly 100. Meanwhile, the inner surfaces of the propeller blade delivery pipes 130 of the first screws 132 are in contact.

Referring to fig. 1 and 3, the first driving assembly 140 includes a first motor 141 fixed to the first frame 110 by screws, a first pulley 142 coaxially disposed on an output shaft of the first motor 141, a driving belt 144 disposed on the first pulley 142 and engaged with the first pulley 142, and a second pulley 143 coaxially disposed on the first screw 132, the second pulley 143 being disposed parallel to the first pulley 142 and engaged with the driving belt 144 to drive the first screw 132 to rotate for transporting the raw material from a lower position to an upper position, thereby facilitating feeding of the screw extruder.

Referring to fig. 1 and 2, a universal wheel 111 is fixedly arranged on the first frame 110 through a screw, the universal wheel 111 is provided with a brake, and the universal wheel 111 is a rubber caster with a brake produced by wechat caster manufacturing ltd in zhongshan city, which is convenient for a worker to carry the material conveying assembly 100 and improves the work efficiency of the worker.

Referring to fig. 1 and 3, the storage assembly 200 includes a second frame 210, a storage barrel 220 welded to the second frame 210, and a discharge pipe 250 welded to the storage barrel 220 and disposed near a lower end of the storage barrel 220, the discharge pipe 250 is communicated with the storage barrel 220, and a control assembly 270 for controlling discharge is further disposed on the discharge pipe 250.

Referring to fig. 1 and 3, the discharging pipes 250 are arranged in a plurality and are circumferentially arranged along the material storage barrel 220 to adapt to the placement of screw extruders at different angles, so that the purpose of multi-direction and multi-angle simultaneous feeding is realized, and the applicability of the material conveying device is improved. In this embodiment, two discharging pipes 250 are provided and are symmetrically disposed about the axis of the storage barrel 220.

Referring to fig. 1 and 4, a feed pipe 230 is integrally provided at the lower end of the storage barrel 220, a second screw 231 with a propeller blade is rotatably connected to the inner surface of the feed pipe 230, and the inner surface of the propeller blade of the second screw 231 contacts with the feed pipe 230 to seal and close the connection between the feed pipe 230 and the storage barrel 220, thereby preventing the raw material from leaking out.

Referring to fig. 1 and 4, a second motor 232 is fixedly disposed on the second frame 210 through a screw, and an output shaft of the second motor 232 is coaxially connected to the second screw 231 to drive the second screw 231 to rotate. And the second feeding hopper 240 correspondingly arranged with the feeding pipe 230 is welded on the second frame 210, and the second feeding hopper 240 is communicated with the feeding pipe 230, so that the raw materials can be poured into the second frame conveniently.

Referring to fig. 1, a filter sieve plate 241 is further disposed in the second feeding hopper 240, and one end of the filter sieve plate 241 is hinged to a side wall of the second feeding hopper 240 away from the feeding pipe 230, and the other end abuts against the feeding pipe 230 to define the position of the filter sieve plate 241.

In this embodiment, a magnet 242 is further disposed on the filtering sieve plate 241 in an adsorbing manner, and the magnet 242 is bound on the filtering sieve plate 241 through a cord for adsorbing iron impurities mixed in the raw material.

Referring to fig. 1, a material return pipe 260 communicated with the material storage barrel 220 is further welded on the material storage barrel 220, the material return pipe 260 is arranged corresponding to the second feed hopper 240, and a control assembly 270 for controlling discharging is also arranged on the upper surface of the material return pipe 260.

Referring to fig. 1 and 3, clamping grooves 271 are formed on the upper surfaces of the discharging pipe 250 and the returning pipe 260, and the control assembly 270 is disposed on the clamping grooves 271. The control unit 270 includes a closing door 272 engaged with the engaging groove 271, and one end of the closing door 272 is hinged to the discharging pipe 250, and the other end is provided with a handle 273. In this embodiment, the length of the engaging groove 271 is equal to or greater than the arc length of the semicircle and is adapted to the radian of the outer surface of the discharging pipe 250, so that the door 272 can be conveniently closed and rotatably connected to the engaging groove 271. And when not feeding, the circumferential side wall of the closing gate 272 contacts the inner side wall of the tapping pipe 250 for sealing and closing the tapping pipe 250.

In this embodiment, storage cylinder 220 lower extreme is the toper setting, and discharging pipe 250 and feed back pipe 260 all set up in storage cylinder 220 toper setting department for lead the raw materials, the ejection of compact of the raw materials of being convenient for improves the work efficiency of mill.

The working process is as follows:

when the workman will feed, the workman will defeated first feeder hopper 120 of material subassembly 100 correspond discharging pipe 250 and place, then drive closing door 272 through handle 273 and rotate for closing door 272 week side lateral wall no longer contacts with discharging pipe 250 inside wall, is used for opening discharging pipe 250, and the entering into of the raw materials in the storage section of thick bamboo 220 of being convenient for is in first feeder hopper 120.

After the raw material enters the first feeding hopper 120, the output shaft of the first motor 141 drives the first belt pulley 142 to rotate, so as to drive the transmission belt 144 sleeved on the first belt pulley 142 to move, so that the second belt pulley 143 at the other end of the transmission belt 144 rotates, and the rotating second belt pulley 143 drives the first screw 132 to rotate. The first screw 132 will drive the propeller blade to rotate, so as to push the material in the first feeding hopper 120 to move to the other end of the feeding pipe 130 along the length direction of the feeding pipe 130, and finally the material enters the feeding short pipe 131 and freely falls into the feeding port of the screw extruder under the action of gravity, thereby completing the feeding of the material.

When the material in the storage barrel 220 is not enough, the worker pours the raw material into the second feeding hopper 240, the raw material enters the feeding pipe 230 communicated with the second feeding hopper 240 after being screened and adsorbed by the filtering screen plate 241, and the raw material enters the storage barrel 220 to be stored under the driving of the rotating second screw 231, so that the feeding of the storage barrel 220 is completed.

When the iron impurity in the raw materials is too much, the worker can open the closing door 272 on the material return pipe 260, and the raw materials in the storage barrel 220 enter the second feed hopper 240 again to filter and adsorb the iron impurity in the raw materials again, so that the product quality is improved, and the service life of the equipment is prolonged.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a feeding device of screw extruder, its characterized in that, includes feeding subassembly (100), feeding subassembly (100) includes first frame (110), sets up first feeder hopper (120) on first frame (110) to and set up on first frame (110) and feeding pipe (130) that are linked together with first feeder hopper (120) lower extreme, feeding pipe (130) slope sets up, and the one end that is close to first feeder hopper (120) is less than the one end of keeping away from first feeder hopper (120), feeding pipe (130) internal rotation is connected with first screw rod (132) that the surface has propeller blade, still be provided with first screw rod of drive (132) pivoted drive subassembly (140) on first frame (110).

2. The feeding device of a screw extruder according to claim 1, wherein the first driving assembly (140) comprises a first motor (141) disposed on the first frame (110), a first belt pulley (142) coaxially disposed on an output shaft of the first motor (141), a driving belt (144) sleeved on the first belt pulley (142) and engaged with the first belt pulley (142), and a second belt pulley (143) coaxially disposed on the first screw (132), the second belt pulley (143) being disposed in parallel with the first belt pulley (142) and engaged with the driving belt (144).

3. Feeding device of a screw extruder according to claim 1, characterized in that the end of the feeding pipe (130) remote from the first feeding hopper (120) is sealed and the end of the feeding pipe (130) remote from the first feeding hopper (120) is provided with a vertically arranged feeding stub (131).

4. The feeding device of a screw extruder according to claim 1, wherein the first frame (110) is provided with a universal wheel (111), and the universal wheel (111) is provided with a brake member.

5. The feeding device of a screw extruder according to claim 1, characterized in that the feeding device further comprises a material storage assembly (200), the material storage assembly (200) is movably connected with the feeding assembly (100), the material storage assembly (200) comprises a second frame (210), a material storage barrel (220) arranged on the second frame (210), and a material discharge pipe (250) arranged on the material storage barrel (220) and close to the lower end of the material storage barrel (220), and a control assembly (270) for controlling material discharge is arranged on the material discharge pipe (250).

6. The feeding device of a screw extruder according to claim 5, wherein a feeding pipe (230) is disposed at the lower end of the storage barrel (220), the feeding pipe (230) is rotatably connected with a second screw (231) having a screw blade on the outer surface, a second motor (232) is disposed on the second frame (210), the output shaft of the second motor (232) is coaxially connected with the second screw (231), a second feeding hopper (240) corresponding to the feeding pipe (230) is further disposed on the second frame (210), and the second feeding hopper (240) is communicated with the feeding pipe (230).

7. Feeding device for screw extruders according to claim 6, characterized in that a filtering screen (241) is arranged in the second feeding hopper (240), and one end of the filtering screen (241) is hinged to a side wall of the second feeding hopper (240) far away from the feeding pipe (230) and the other end abuts against the feeding pipe (230).

8. The feeding device of a screw extruder according to claim 7, wherein the filtering screen plate (241) is provided with a magnet (242).

9. The feeding device of a screw extruder according to claim 7, wherein the lower end of the storage barrel (220) is arranged in a conical shape, a material return pipe (260) is further arranged on the storage barrel (220), the material return pipe (260) is arranged corresponding to the second feeding hopper (240), and a control component (270) for controlling the discharging is further arranged on the upper surface of the material return pipe (260).

10. The feeding device of a screw extruder according to claim 9, wherein the discharging pipe (250) and the feeding back pipe (260) are both provided with a clamping groove (271), the control component (270) is arranged on the clamping groove (271) and comprises a closing door (272) clamped in the clamping groove (271), one end of the closing door (272) is hinged on the discharging pipe (250), the other end of the closing door is provided with a handle (273), and the length of the clamping groove (271) is equal to or greater than the arc length of a semicircle.

Images