CN214266575U - Prevent feed mechanism of broken material bridge of stone plastics - Google Patents

Abstract

The utility model relates to the technical field of material machining, and discloses a feeding mechanism for preventing a stone-plastic crushed material from bridging, wherein a feeding bin, a screw feeder, a hopper and a screw feeder are sequentially arranged along the conveying direction of the stone-plastic crushed material; a first driving device is arranged below the feeding bin, a rotating shaft of the first driving device penetrates into the bin body from the center of the bottom of the feeding bin, and a bridge breaking paddle is fixedly arranged on a rotating shaft section in the bin body of the feeding bin; the hopper is internally provided with a bridge breaking rod connected with a third driving device and a bridge breaking screw fixedly arranged on the bridge breaking rod by taking the bridge breaking rod as a center. The utility model has the advantages that: the device is not only suitable for powder, thick sheet materials and thin sheet materials, but also suitable for conveying and feeding of ultra-thin sheet recovered broken materials, and the phenomena that the ultra-thin sheet recovered broken materials cannot break a bridge and a production line cannot stably run to cause labor waste are overcome, and the productivity is greatly improved.

Description

Prevent feed mechanism of broken material bridge of stone plastics

Technical Field

The utility model relates to a material machining technical field specifically is a prevent feeding mechanism of broken material bridge of stone-plastic.

Background

Along with the high filling of the stone and the plastics (resin PP/PE + 70% -80% CaCO)₃) The continuous development of industry, inevitable can produce the broken material of a large amount of goods, like well hollow plate, extra thin section (the utility model discloses well extra thin section indicates that thin slice thickness is less than 0.3 mm), and broken material etc. are retrieved to the composite sheet, and these broken materials produce the bridge easily in transportation process, and the bridge device is prevented to the mainstream at present is not suitable for to the super thin section recovery broken material of stone plastic high filler material, brings very big puzzlement for production.

The stone-plastic high-filling ultrathin section recycled broken material is thin and light, has irregular burrs at the edges, poor flowability, static electricity on the surface and adsorbability, and is twisted and interwoven with each other after being compacted under certain dead weight, so that a bridging phenomenon is generated. The untimely treatment can cause the abnormal supply of raw materials, so that the production line is forced to stop. Can adopt artifical broken bridge and vibration to solve the problem of bridging usually, artifical broken bridge is wasted time and energy, vibrations broken bridge can make the ultrathin sheet pile up more compact phenomenon of aggravating the bridging on the contrary.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a prevent feed mechanism of broken material bridging of stone plastic can be applicable to transportation and the material loading of ultrathin section recovery broken material, can not produce the bridging phenomenon at transportation and material loading in-process.

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

a feeding mechanism for preventing a broken stone-plastic material bridge is sequentially provided with a feeding bin, a screw feeding machine, a hopper and a screw feeding machine along the conveying direction of the broken stone-plastic material; a first discharge port of the feeding bin is in butt joint with a feeding port of a feeding machine of the screw feeding machine, a discharge port of the screw feeding machine is in butt joint with a feeding port of the hopper, and a discharge port of the hopper is in butt joint with a feeding port of the screw feeding machine; a first driving device is arranged below the feeding bin, a rotating shaft of the first driving device penetrates into the bin body from the center of the bottom of the feeding bin, and a bridge breaking paddle is fixedly arranged on a rotating shaft section in the bin body of the feeding bin; the hopper is internally provided with a bridge breaking rod connected with a third driving device and a bridge breaking screw fixedly arranged on the bridge breaking rod by taking the bridge breaking rod as a center.

Furthermore, the feeding bin is of a revolving body structure and comprises an upper bin body, a lower bin body and a support frame, wherein the upper port of the upper bin body is a first feeding port, the lower bin body is connected with the lower port of the upper bin body, and the support frame is used for supporting the lower bin body with a closed bottom; the side surface of the lower bin body close to the screw rod feeding machine and the joint of the side surface and the bottom of the lower bin body are provided with the first discharge hole. The feeding bin is designed by adopting a revolving body structure, so that dead-angle-free bridge breaking is facilitated, the first discharging port is organically combined with the bottom of the feeding bin and the inclined plane and is connected with the feeding port of the screw feeding machine, and the first discharging port without inclination and bridge breaking is formed.

Further, the upper bin body is in a shape of a straight cylinder, and the lower bin body is in a shape of an inverted circular truncated cone.

Furthermore, the bridge breaking paddle comprises a bottom paddle arranged at the bottom and an inclined paddle arranged on the side surface, and the bottom paddle and the inclined paddle are designed in an integrated manner; the bottom and the inclined plane of the feeding bin which are most prone to bridging can be broken, the bottom paddle and the inclined plane paddle are integrated, the whole projection surface is formed to be free of dead angle coverage, all bridging supporting points are scattered, and therefore the effect of breaking the bridge of the feeding bin without the dead angle is achieved.

Furthermore, the paddle of the bridge breaking paddle is designed in a non-linear mode, has a certain inclination angle and curvature, and can improve bridge breaking efficiency and increase conveying effect.

Furthermore, the bridge breaking paddle has at least 2 paddles and is arranged on the rotating shaft in an array mode.

Furthermore, the bridge breaking screw is a conical screw, one end with a large diameter is arranged at the upper part, and the other end with a small diameter is arranged at the lower part; due to the design of the conical screw, materials are reversely lifted and scattered, and accumulation is prevented, so that the feeding efficiency is improved; the conical screw design also enables a small range of bridge breaks.

Further, the cross section of the bridge breaking rod is circular, triangular or square.

Further, be provided with the charge level indicator on the hopper, the setting up of charge level indicator can the real-time supervision material condition, ensures the uninterrupted material, ensures the even running of production line.

Furthermore, at least one thread extension part is arranged on the bridge breaking screw, and the diameter of the thread extension part is larger than that of the peripheral screw at the position of the thread extension part; the screw thread extension part is used for scattering broken materials attached to the inner wall of the hopper, and the efficiency and the effect of scattering the materials are further improved due to the design of the screw thread extension part.

When the screw thread extension is greater than or equal to two positions, the diameter of the screw thread extension is gradually reduced from top to bottom so as to match the size of the hopper.

Further, a feeding port of the screw feeding machine is arranged right below the first discharging port, and the feeding port is in seamless butt joint with the port of the first discharging port.

Preferably, the first driving device and the second driving device arranged on the screw feeder are frequency conversion motors, so that the running speeds of the bridge breaking paddle and the screw feeder can be freely adjusted according to requirements.

Further, the third driving device comprises a motor and a speed reducer connected between the motor and the bridge breaking rod, the motor is preferably a variable frequency motor, so that free conditions can be carried out on the rotating speeds of the bridge breaking rod and the bridge breaking screw rod, the bridge breaking can be performed in a uniform-speed rotating mode, dust harm can be greatly reduced, the service life of equipment is prolonged, and the health of operators is guaranteed.

Furthermore, the length of the bridge breaking rod and the length of the bridge breaking screw are matched with that of the hopper, so that a bridge is broken without dead corners; the arrangement gradient of the bridge breaking rod is related to the shape of the hopper, for example, the upper part of the hopper is in a straight cylinder shape, the middle part of the hopper is in an oblique cone shape, and the lower part of the hopper is in a hemisphere shape, so that the lower end part of the bridge breaking rod is in the hemisphere body at the lower part of the hopper in order to arrange the bridge breaking rod in the hopper in an oblique manner.

Furthermore, there are 2 charge level indicators, set up respectively on the straight cylinder section of hopper and with the oblique conical section that straight cylinder section lower extreme is connected.

Compared with the prior art, the utility model provides a prevent feeding mechanism of broken material bridging of stone plastic possesses following beneficial effect:

(1) the device is not only suitable for powder, thick sheet materials and thin sheet materials, but also suitable for conveying and feeding of ultra-thin sheet recovered broken materials, and the phenomena that the ultra-thin sheet recovered broken materials cannot break a bridge and a production line cannot stably run to cause labor waste are overcome, and the productivity is greatly improved.

(2) At present, positive pressure conveying and negative pressure conveying are adopted in mass material conveying in the extruder industry, and have good conveying performance for granules, but are not suitable for broken materials of sheets; and the screw rod material loading machine that this application adopted has avoided the gas transportation to spread the possibility to the air with the dust in the material.

(3) This application has adopted broken bridge screw rod and screw rod feeding machine combination, and broken material is moulded to stone breaks the bridge after broken bridge pole breaks the bridge, breaks broken material is moulded to stone by the broken bridge screw rod of toper again, forces to increase broken material mobility is moulded to stone, gets into the feeding machine fast to improve feed efficiency.

(4) According to the application, a screw feeder and a bridge breaking paddle are combined, and stone plastic broken materials are guided to the screw feeder after being broken through a bridge by the bridge breaking paddle and then conveyed into a hopper by the screw feeder; the screw rod material loading machine links with broken bridge paddle, and the perfect material loading problem of bridging that solves realizes incessant feed.

(5) The bridge-breaking screw and the screw feeder are combined, after the broken stone-plastic material is broken through a bridge-breaking rod and a bridge, the broken stone-plastic material is reversely lifted and broken by the bridge-breaking screw, the flowability of the broken stone-plastic material is forcibly increased, the broken stone-plastic material rapidly enters the screw feeder and is conveyed to a subsequent extruder set by the screw feeder; the broken bridge screw and the screw feeder are linked to forcibly increase the fluidity of the broken materials, thereby improving the feeding efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numerals in the figures have the meaning: 1. a feeding bin; 11. the device comprises a bridge breaking paddle 111, a bottom paddle 112, an inclined plane paddle 12, a first driving device 13, a first discharge port 2, a screw feeder 21, a second driving device 22, a feeder inlet 23, a discharge port 3, a hopper 31, a bridge breaking rod 32, a bridge breaking screw 321, a thread extension 33, a third driving device 34, a level gauge 4 and a screw feeder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the feeding mechanism for preventing a broken stone-plastic material bridge of the present invention is sequentially provided with a feeding bin 1, a screw feeder 2, a hopper 3 and a screw feeder 4 along a conveying direction of broken stone-plastic materials; a first discharge port 13 of the feeding bin 1 is in butt joint with a feeding port 22 of a screw feeding machine 2, a discharge port 23 of the screw feeding machine 2 is in butt joint with a feeding port of a hopper 3, and a discharge port of the hopper 3 is in butt joint with a feeding port of a screw feeding machine 4; a first driving device 12 is arranged below the feeding bin 1, a rotating shaft of the first driving device 12 penetrates into the bin body from the center of the bottom of the feeding bin 1, and a bridge breaking paddle 11 is fixedly arranged on a rotating shaft section in the bin body of the feeding bin 1; a bridge breaking rod 31 connected with a third driving device 33 and a bridge breaking screw 32 fixedly arranged on the bridge breaking rod 31 by taking the bridge breaking rod 31 as a center are arranged in the hopper 3.

In a specific implementation manner of this embodiment, the bridge-breaking rod 31 may be either a hollow structure or a solid structure; the bridge breaking screw rod 32 is welded on the bridge breaking rod 31.

In a specific implementation manner of this embodiment, the feeding bin 1 is a revolving body structure, and includes an upper bin body whose upper port is a first feeding port, a lower bin body connected to a lower port of the upper bin body, and a supporting frame for supporting the lower bin body whose bottom is closed; a first discharge hole 13 is arranged at the side surface of the lower bin body close to the screw rod feeding machine 2 and the joint with the bottom. The feeding bin 1 is designed by adopting a revolving body structure, so that dead-angle-free bridge breaking is facilitated, the first discharging port 13 is organically combined with the bottom of the feeding bin 1 and the inclined plane, and is connected with the feeding port of the screw feeding machine 2, and the first discharging port 13 without inclination and bridge breaking is formed.

In a specific implementation manner of the embodiment, the upper bin body is in a straight cylindrical shape, and the lower bin body is in an inverted circular truncated cone cylindrical shape.

In a specific implementation manner of the present embodiment, the bridge-breaking blade 11 includes a bottom blade 111 disposed at the bottom and an inclined blade 112 disposed at the side, and the bottom blade 111 and the inclined blade 112 are designed as an integral body; therefore, the bottom and the inclined plane of the feeding bin 1 which are most prone to bridging can be broken, the bottom paddle 111 and the inclined plane paddle 112 are integrated to form a whole projection surface without dead angle coverage, all bridging supporting points are scattered, and the effect of breaking the bridge of the feeding bin 1 without dead angles is achieved.

In a specific embodiment of this embodiment, the blade of the bridge breaking blade 11 is designed to be non-linear, and has a certain inclination and curvature, so that the bridge breaking efficiency can be improved, and the conveying effect can be increased.

In a specific embodiment of this embodiment, the bridge breaking paddle 11 has at least 2 paddles and is arranged on the rotating shaft in an array.

In a specific embodiment of the present embodiment, the broken bridge screw 32 is a conical screw, the end with the larger diameter is arranged at the upper part, and the end with the smaller diameter is arranged at the lower part; due to the design of the conical screw, materials are reversely lifted and scattered, and accumulation is prevented, so that the feeding efficiency is improved; the conical screw design also enables a small range of bridge breaks.

In a specific embodiment of this embodiment, the cross-sectional shape of the bridge-breaking rod 31 is circular, triangular or square.

In a concrete implementation of this embodiment, be provided with charge level indicator 34 on hopper 3, the setting of charge level indicator 34 can the real-time supervision material condition, ensures the uninterrupted-flow, ensures the even running of production line.

In a specific embodiment of the present embodiment, at least one screw extension 321 is disposed on the bridge-breaking screw 32, and the diameter of the screw extension 321 is larger than the diameter of the peripheral screw at the position of the screw extension 321; the design of threaded extension 321 further enhances the efficiency and effectiveness of breaking up the material.

When the screw thread extension 321 is greater than or equal to two, the diameter of the screw thread extension 321 decreases from top to bottom in order to match the size of the hopper 3.

In a specific implementation manner of this embodiment, the feeding port of the screw feeder 2 is disposed right below the first discharging port 13, and the feeding port and the port of the first discharging port 13 are in seamless butt joint.

Preferably, the first driving device 12 and the second driving device 21 disposed on the screw feeder 2 are both variable frequency motors, so that the operation speeds of the bridge breaking blade 11 and the screw feeder 2 can be freely adjusted according to requirements.

In a specific implementation manner of this embodiment, the third driving device 33 includes a motor and a speed reducer connected between the motor and the bridge breaking rod 31, and the motor preferably selects a variable frequency motor, so that not only can the rotating speeds of the bridge breaking rod 31 and the bridge breaking screw 32 be subjected to free conditions, but also the damage of dust can be greatly reduced by adopting a uniform speed rotation mode to break the bridge, and the service life of the equipment and the health of the operating personnel are ensured.

In a specific embodiment of the present embodiment, the lengths of the bridge-breaking rod 31 and the bridge-breaking screw 32 are both matched with the hopper 3, so as to form dead-corner-free bridge breaking; the slope of the bridge breaking rod 31 is related to the shape of the hopper 3, for example, the upper part of the hopper 3 is a straight cylinder, the middle part is an oblique cone, and the lower part is a hemisphere, so that the bridge breaking rod 31 is obliquely arranged in the hopper 3 to ensure that the lower end part of the bridge breaking rod 31 is positioned in the hemisphere at the lower part of the hopper 3.

In one embodiment of this embodiment, there are 2 level meters 34, which are respectively disposed on the straight cylindrical section and the inclined conical section connected to the lower end of the straight cylindrical section of the hopper 3.

The working process is as follows:

broken stone-plastic material gets into from feeding storehouse 1, and broken bridge paddle 11 of feeding storehouse 1 configuration breaks the bridge and the propelling movement makes it get into screw feeder 2 to broken stone-plastic material from the bottom, and then broken stone-plastic material is carried to hopper 3, breaks bridge screw rod 32 simultaneously and prevents the bridge and assists it to get into screw feeder 4 to broken stone-plastic material stirring, and broken stone-plastic material gets into follow-up extruder group under screw feeder 4 effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a prevent feed mechanism of broken material bridge of stone-plastic which characterized in that: a feeding bin, a screw feeder, a hopper and a screw feeder are sequentially arranged along the conveying direction of the stone-plastic crushed material; a first discharge port of the feeding bin is in butt joint with a feeding port of a feeding machine of the screw feeding machine, a discharge port of the screw feeding machine is in butt joint with a feeding port of the hopper, and a discharge port of the hopper is in butt joint with a feeding port of the screw feeding machine; a first driving device is arranged below the feeding bin, a rotating shaft of the first driving device penetrates into the bin body from the center of the bottom of the feeding bin, and a bridge breaking paddle is fixedly arranged on a rotating shaft section in the bin body of the feeding bin; the hopper is internally provided with a bridge breaking rod connected with a third driving device and a bridge breaking screw fixedly arranged on the bridge breaking rod by taking the bridge breaking rod as a center.

2. The feeding mechanism for preventing the bridge from being broken by the stone and plastic as claimed in claim 1, wherein: the feeding bin is of a revolving body structure and comprises an upper bin body, a lower bin body and a support frame, wherein the upper port of the upper bin body is a first feeding hole, the lower bin body is connected with the lower port of the upper bin body, and the support frame is used for supporting the lower bin body with a closed bottom; the side surface of the lower bin body close to the screw rod feeding machine and the joint of the side surface and the bottom of the lower bin body are provided with the first discharge hole.

3. The feeding mechanism for preventing the stone-plastic broken material bridge of claim 2, wherein: the upper bin body is in a straight cylindrical shape, and the lower bin body is in an inverted circular truncated cone shape.

4. The feeding mechanism for preventing the bridge formation of the stone-plastic broken materials as claimed in claim 1 or 3, wherein: the bridge breaking paddle comprises a bottom paddle arranged at the bottom and an inclined plane paddle arranged on the side face, and the bottom paddle and the inclined plane paddle are designed in an integrated mode.

5. The feeding mechanism for preventing the stone-plastic broken material bridge of claim 4, wherein: the blade of the bridge-breaking blade is designed in a non-linear mode.

6. The feeding mechanism for preventing the stone-plastic broken material bridge of claim 4, wherein: the bridge breaking paddle is provided with at least 2 paddles which are arranged on the rotating shaft in an array mode.

7. The feeding mechanism for preventing the bridge from being broken by the stone and plastic as claimed in claim 1, wherein: the bridge breaking screw rod is a conical screw rod, one end with a large diameter is arranged at the upper part, and the other end with a small diameter is arranged at the lower part.

8. The feeding mechanism for preventing the bridge from being broken by the stone and plastic as claimed in claim 1, wherein: the cross section of the bridge breaking rod is circular, triangular or square.

9. The feeding mechanism for preventing the bridge from being broken by the stone and plastic as claimed in claim 1, wherein: and a material level meter is arranged on the hopper.

10. The feeding mechanism for preventing the bridge from being broken by the stone and plastic as claimed in claim 1, wherein: at least one thread extension part is arranged on the bridge breaking screw, and the diameter of the thread extension part is larger than that of the peripheral screw at the position of the thread extension part.

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