CN212795487U

CN212795487U - Raw material mixing equipment for plastic plate production

Info

Publication number: CN212795487U
Application number: CN202021522708.0U
Authority: CN
Inventors: 刘俊海; 田美娜; 孙文霞
Original assignee: Beijing Qihang Packaging Product Co ltd
Current assignee: Beijing Qihang Packaging Product Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-26
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to a raw materials mixing apparatus is used in plastics panel production, it is including being the box and the rabbling mechanism of upper shed structure, the bottom of box is provided with the discharge gate, the rabbling mechanism is including being (mixing) shaft that the level set up, two helical blade that encircle the (mixing) shaft setting and being used for driving (mixing) shaft pivoted driving piece, helical blade and the same the central axis of (mixing) shaft and two helical blade's the rotation opposite direction, the diapire of box be arc plate column structure and with the same central axis of (mixing) shaft, the (mixing) shaft is tubular structure and its position that is located the box has seted up a plurality of ventholes, the (mixing) shaft intercommunication has the air feed mechanism who is used for providing hot-air to it, the opening of venthole is the taper and is provided with the water conservancy diversion piece that is the frustum form, the lateral. This application has dry comparatively abundant effect.

Description

Raw material mixing equipment for plastic plate production

Technical Field

The application relates to the field of stirring equipment, in particular to raw material mixing equipment for producing plastic plates.

Background

Plastic molding is a generic term for various processes for converting synthetic resins or plastics into plastic products, and the processes generally include compounding, molding, machining, joining, decorating, and assembling of plastics. In the raw materials for plastic processing, besides polymers, various plastic additives are generally added to improve the forming process and the service performance of products or reduce the cost of products, while in the production of plastic sheets, a thermoforming method is usually adopted, and before thermoplastic forming, the plastic raw materials need to be stirred and dried to ensure the quality of plastic finished products. The raw materials are stirred by a common horizontal mixer, and the common horizontal mixer consists of a U-shaped container, a stirring blade and a transmission part; the U-shaped long barrel structure ensures the small resistance movement of the mixed materials (powder and semifluid) in the barrel, and has the advantage of uniformly mixing the materials; however, when the materials are discharged, the materials are left in the cylinder body, so that the raw materials are consumed greatly, and cross contamination of products is easy to occur during model changing production.

The Chinese patent with the publication number of CN206899546U in the prior related art discloses novel phenolic molding compound mixing equipment, which has the technical key points that: the automatic material feeding device comprises a rack, a first bearing seat, a second bearing seat, a discharging pipe, a stirring barrel assembly, a driving assembly, a discharging barrel assembly, a first supporting plate, a second supporting plate and a platen, wherein the first bearing seat and the second bearing seat which are symmetrically distributed are respectively fixed on the upper plane of the rack, the stirring barrel assembly is also embedded and installed on the upper plane of the rack and is positioned between the first bearing seat and the second bearing seat, the stirring barrel assembly comprises a stirring barrel, an air inlet pipe, a spraying ball installation hole cover, a pneumatic gate charging pipe, a first spraying ball, a second spraying ball, a manhole cover and a drying gas inlet pipe, the stirring barrel is embedded and fixed on the upper plane of the rack and is positioned between the first bearing seat and the second bearing seat, the air inlet pipe, the spraying ball installation hole cover, the pneumatic gate charging pipe, the manhole cover and the drying gas inlet pipe are sequentially embedded and fixed on the upper surface of, the pneumatic gate charging pipe is positioned at the center of the upper surface of the mixing drum.

With respect to the related art among the above, the inventors consider that there is a defect that drying is insufficient.

SUMMERY OF THE UTILITY MODEL

The application provides a raw materials mixing apparatus for plastic sheet production adopts following technical scheme:

the utility model provides a raw materials mixing apparatus is used in plastics panel production, is including being the box and the rabbling mechanism of upper shed structure, the bottom of box is provided with the discharge gate, the rabbling mechanism is including being (mixing) shaft that the level set up, two helical blade that encircle the (mixing) shaft setting and being used for driving (mixing) shaft pivoted driving piece, helical blade and the same the central axis of (mixing) shaft and two helical blade's revolve to opposite, the diapire of box is arc plate column structure and with the same central axis of (mixing) shaft, a plurality of ventholes have been seted up to the (mixing) shaft is tubular structure and its position that is located the box, the (mixing) shaft intercommunication has the air feed mechanism who is used for providing hot-air to it, the opening of venthole is the taper and is provided with the water conservancy diversion piece that is the frustum form.

By adopting the technical scheme, when the raw materials are stirred, the stirring shaft can be driven to rotate by the driving part so as to drive the two helical blades to rotate, so that the raw materials in the box body can move in the opposite direction or in the opposite direction, and the stirring effect of the raw materials can be effectively optimized by the forward and reverse rotation of the stirring shaft; meanwhile, the air supply mechanism introduces hot air into the stirring shaft, the hot air is discharged from the air outlet hole in the box body, so that the raw materials can be dried while stirring, the positions in the box body can be kept away from the stirring shaft to be dried fully, meanwhile, the guide blocks can enable the gas discharged from the air outlet hole to be arranged in an inclined mode, the bundling condition of the discharged gas is reduced, and the drying effect is further optimized; and when arranging the material, the raw materials are guided into the discharge opening through the two helical blades, so that the materials are discharged, and the residual raw materials in the box body are reduced.

Preferably, air feed mechanism is including the air feed spare that is used for providing the hot air with be annular go-between, go-between overcoat in the (mixing) shaft, encircle the go-between has seted up the annular at its inner wall, the annular communicates in the inside of (mixing) shaft through at least one through-hole of seting up in the (mixing) shaft, the air supply hole that communicates in the annular is seted up to the go-between, the air supply hole communicates in the air feed end of air feed spare through the pipeline.

Through adopting above-mentioned technical scheme, when using, the air feed spare lets in the hot-air to the air feed hole through the pipeline to make in the hot-air gets into the annular, because a plurality of through-holes have been seted up to the (mixing) shaft, when the (mixing) shaft rotated, the hot-air still can let in the hot-air to inside the (mixing) shaft through the through-hole, in order to be used for doing the drying to the inside raw materials of box.

Preferably, the two ends of the connecting ring in the axial direction are respectively provided with a bearing, the bearing is sleeved outside the stirring shaft, and a plurality of sealing elements for sealing gaps between the connecting ring and the stirring shaft are arranged between the connecting ring and the stirring shaft.

Through adopting above-mentioned technical scheme, the bearing can effectually reduce the pivoted frictional force between go-between and the (mixing) shaft, does simultaneously through the sealing member to the clearance between go-between and the (mixing) shaft sealed to optimize the result of use.

Preferably, the sealing elements are high-temperature rotary sealing rings, and a plurality of the sealing elements are respectively arranged on two sides of the annular groove along the radial direction of the connecting ring.

Through adopting above-mentioned technical scheme, can effectually make the relative (mixing) shaft of go-between in the pivoted time, the sealing member still can keep the sealed to the clearance between (mixing) shaft and the go-between.

Preferably, the air supply part comprises an air pump, a heating pipe communicated with the air outlet end of the air pump and an electric heating pipe arranged in the heating pipe, and the heating pipe is communicated with the air supply hole through a pipeline.

By adopting the technical scheme, when the drying device is used, the air pump leads external air into the heating pipe, the electric heating pipe heats hot air, and the heated hot air is led into the air supply hole through the pipeline to be used for drying.

Preferably, the box body covers the cover body, an air outlet is formed in the side portion of the box body, and the air outlet is communicated with a cooling piece used for cooling the discharged air.

Through adopting above-mentioned technical scheme, when the lid can reduce stirring and drying, the raw materials spills over the box and reduces the direct hot-air that overflows from the box opening part to let in the hot-air to the cooling part through the gas outlet and do the cooling, in order to reduce the influence of hot-air to staff, the possibility of being scalded by the hot-air of discharging when reducing the use.

Preferably, the cooling member is a cooling fin communicated with the air outlet.

Through adopting above-mentioned technical scheme, cooling fin can be timely do the dispersion with the heat that hot-air took out.

Preferably, a cooling tank filled with cooling water is arranged on the side part of the tank body, and the cooling piece is arranged in the cooling tank.

Through adopting above-mentioned technical scheme, when using, the heat of cooling piece can be timely absorb through the cooling water to when reducing the heat of absorbing the exhaust hot-air, to the influence that operational environment produced, with the operational environment who optimizes the scene.

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

1. when the raw materials are stirred, the stirring shaft can be driven to rotate by the driving part so as to drive the two helical blades to rotate, so that the raw materials in the box body can move in the opposite direction or in the opposite direction, and the stirring effect of the raw materials can be effectively optimized through the forward and reverse rotation of the stirring shaft; meanwhile, the air supply mechanism introduces hot air into the stirring shaft, the hot air is discharged from the air outlet hole in the box body, so that the raw materials can be dried while stirring, the positions in the box body can be kept away from the stirring shaft to be dried fully, meanwhile, the guide blocks can enable the gas discharged from the air outlet hole to be arranged in an inclined mode, the bundling condition of the discharged gas is reduced, and the drying effect is further optimized; and when arranging the material, the raw materials are guided into the discharge opening through the two helical blades, so that the materials are discharged, and the residual raw materials in the box body are reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a sectional view of a part of the structure of the embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an exploded view of a portion of the structure of the present application.

Description of reference numerals: 1. a box body; 11. a cover body; 12. a cooling member; 13. a cooling tank; 14. a valve; 141. a screw conveyor; 2. a stirring mechanism; 21. a stirring shaft; 211. an air outlet; 22. a helical blade; 23. a drive member; 3. an air supply mechanism; 31. a gas supply member; 311. an air pump; 312. heating a tube; 313. an electric heating tube; 32. a connecting ring; 321. a ring groove; 322. an air supply hole; 323. a bearing; 33. and a seal.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses raw materials mixing apparatus is used in plastics panel production. Referring to fig. 1 and 2, the raw material mixing apparatus includes a box 1 and a stirring mechanism 2, the box 1 is provided with a discharge port which can be opened and closed at the bottom, the discharge port is located at the middle position of the box 1, and the stirring mechanism 2 includes a stirring shaft 21 which is horizontally arranged, two helical blades 22 which surround the stirring shaft 21 and a driving member 23 for driving the stirring shaft 21 to rotate. The helical blades 22 are coaxial with the stirring shaft 21, and the spiral directions of the two helical blades 22 are opposite. The driving member 23 may be a servo motor or a forward/reverse motor.

Referring to fig. 2 and 3, the (mixing) shaft 21 is the level setting and it wears to locate box 1, the (mixing) shaft 21 is the tubular structure, the bottom of box 1 is arc plate column structure and arcuation and the same the central axis of (mixing) shaft 21, outside venthole 211 in it is seted up to the position that the (mixing) shaft 21 is located box 1, a plurality of ventholes 211 are spiral distribution in (mixing) shaft 21, the opening border of venthole 211 is the taper structure and is the main aspects opening, the opening border of venthole 211 is provided with the water conservancy diversion piece that is frustum column structure, the tip of water conservancy diversion piece is towards the central axis of (mixing) shaft 21, the lateral wall of water conservancy diversion piece is connected in the pore wall of venthole. The part of the stirring shaft 21 positioned outside the box body 1 is communicated with an air supply mechanism 3 for providing hot air for the stirring shaft 21. Wherein, the clearance between the side wall of the flow guide block and the wall of the air outlet 211 is smaller than the particle size of the plastic raw material particles.

When the raw materials are stirred, the stirring shaft 21 can be driven to rotate through the driving part 23 so as to drive the two spiral blades 22 to rotate, so that the raw materials in the box body 1 can move in the opposite direction or away from each other, and the stirring effect on the raw materials can be effectively optimized through the forward and reverse rotation of the stirring shaft 21; meanwhile, the air supply mechanism 3 introduces hot air into the stirring shaft 21, the hot air is discharged from the air outlet holes 211 in the box body 1, so that the raw materials can be dried while stirring, the distance between the raw materials and each part in the box body 1 can be dried by the rotation of the stirring shaft 21, the raw materials can be sufficiently dried, and meanwhile, the gas discharged from the air outlet holes 211 can be obliquely arranged by the flow guide blocks, so that the bundling condition of the discharged gas is reduced, and the drying effect is further optimized; when discharging, the raw materials can be guided into the discharge port through the two helical blades 22, so that the materials can be discharged conveniently, and the residual raw materials in the box body 1 are reduced.

Referring to fig. 1 and 2, the air supply mechanism 3 includes an air supply member 31 for providing hot air and a connection ring 32 having an annular structure, the connection ring 32 is sleeved on the stirring shaft 21, an annular groove 321 having the same central axis with the connection ring 32 is formed around the inner wall of the connection ring 32, at least one through hole communicated with the annular groove 321 is formed around the stirring shaft 21, and the through hole is communicated with the annular groove 321 and the inside of the stirring shaft 21. The connection ring 32 is provided with an air supply hole 322, the air supply hole 322 is communicated with the air supply end of the air supply member 31 through a pipeline, and the air supply hole 322 is communicated with the ring groove 321. Wherein, the connecting ring 32 is rotatably connected with the stirring shaft 21, and the connecting ring 32 is fixedly connected with the box body 1.

When using, air feed spare 31 lets in hot-air to air feed hole 322 through the pipeline to make in the hot-air gets into annular 321, because (mixing) shaft 21 seted up a plurality of through-holes, when (mixing) shaft 21 rotated, hot-air still can let in hot-air to inside (mixing) shaft 21 through the through-hole, in order to be used for doing the drying to the inside raw materials of box 1.

Referring to fig. 2 and 3, two ends of the connection ring 32 in the axial direction are respectively provided with a bearing 323, an inner ring of the bearing 323 is sleeved on the stirring shaft 21, and an outer ring of the bearing 323 is fixedly connected to the connection ring 32. A plurality of seals 33 for sealing a gap between the inner wall of the connection ring 32 and the agitating shaft 21 are provided therebetween. Wherein, the bearing 323 can be a commercially available high temperature resistant sealing bearing, the sealing element 33 is a high temperature rotary sealing ring, and the plurality of sealing elements 33 are respectively disposed at two sides of the annular groove 321 along the radial direction of the connecting ring 32, so that the stirring shaft 21 rotates relative to the connecting ring 32 and simultaneously the gap between the stirring shaft 21 and the connecting ring 32 is kept sealed.

The friction force of rotation between the connecting ring 32 and the stirring shaft 21 can be effectively reduced through the bearing 323, and meanwhile, the gap between the connecting ring 32 and the stirring shaft 21 is sealed through the sealing element 33, so that the using effect is optimized.

Referring to fig. 1 and 2, the air supply member 31 includes an air pump 311, a heating pipe 312 connected to an air outlet end of the air pump 311, and an electric heating pipe 313 disposed in the heating pipe 312, wherein the heating pipe 312 is connected to the air supply hole 322 through a pipe.

When in use, the air pump 311 pumps external air into the heating pipe 312, and heats the hot air through the electric heating pipe 313, and the heated hot air is pumped into the air supply hole 322 through the pipeline for drying.

Referring to fig. 1 and 2, a cover 11 covers the case 1, and an air outlet is provided at a side portion of the case 1 and communicated with a cooling member 12 for cooling the exhaust air. Wherein, lid 11 articulates in the opening border of box 1, and the border of lid 11 passes through a plurality of hasps and can dismantle the opening border of connecting in box 1.

When can reduce stirring and drying through lid 11, the raw materials spills over box 1 and reduces the direct hot-air that overflows from box 1 opening part to let in the hot-air to cooling part 12 through the gas outlet and do the cooling, in order to reduce the influence of hot-air to the staff, reduce the possibility of being scalded by the hot-air of discharging during the use.

Referring to fig. 1 and 2, the cooling member 12 is a cooling fin communicated with the air outlet. The heat brought out by the hot air can be dispersed in time through the cooling fins.

A cooling box 13 filled with cooling water is arranged on the side part of the box body 1, a cooling piece 12 is arranged in the cooling box 13, the air inlet end of the cooling piece 12 is communicated with the air outlet of the box body 1 through a pipeline, and the air outlet end of the cooling piece 12 penetrates out of the cooling box 13 through the pipeline. Wherein the cooling tank 13 is provided with a water inlet pipe and a water outlet pipe.

When the cooling device is used, the heat of the cooling element 12 can be absorbed by cooling water in time, so that the influence on the working environment when the heat of the exhausted hot air is absorbed is reduced, and the working environment on the site is optimized.

A valve 14 is arranged at the discharge port of the box body 1, a screw conveyor 141 is arranged at the discharge end of the valve 14, and a feed port of the screw conveyor 141 is communicated with the discharge end of the valve 14. So as to collect the discharged raw materials when discharging.

The implementation principle of the embodiment is as follows: when using, arrange the material in box 1, then do just reversing through driving piece 23 drive (mixing) shaft 21, so that the raw materials is in the effect of two helical blade 22 and move in opposite directions or back of the body away from each other, so that the intensive mixing, simultaneously, air pump 311 lets in outside air to in heating pipe 312, and do the heating to hot-air through electrothermal tube 313, hot-air after the heating lets in to air supply hole 322 through the pipeline, make hot-air get into in the annular 321, because (mixing) shaft 21 has seted up a plurality of through-holes, when (mixing) shaft 21 rotated, hot-air still can let in hot-air to inside (mixing) shaft 21 through the through-hole, do the drying when being used for doing the stirring to the inside raw materials of box 1.

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

Claims

1. The utility model provides a raw materials mixing apparatus is used in production of plastic board, is including being box (1) and rabbling mechanism (2) of upper shed structure, the bottom of box (1) is provided with discharge gate, its characterized in that: the stirring mechanism (2) comprises a stirring shaft (21) which is horizontally arranged, two helical blades (22) which are arranged around the stirring shaft (21) and a driving piece (23) which is used for driving the stirring shaft (21) to rotate, the helical blades (22) and the stirring shaft (21) have the same central axis, the rotating directions of the two helical blades (22) are opposite, the bottom wall of the box body (1) is of an arc plate-shaped structure and has the same central axis with the stirring shaft (21), the stirring shaft (21) is of a tubular structure, and the part of the stirring shaft positioned in the box body (1) is provided with a plurality of air outlet holes (211), the stirring shaft (21) is communicated with an air supply mechanism (3) for supplying hot air to the stirring shaft, the opening of venthole (211) is the taper and is provided with the water conservancy diversion piece that is the frustum form, the lateral wall fixed connection of water conservancy diversion piece is in venthole (211) and is the main aspects opening.

2. The raw material mixing apparatus for plastic sheet production according to claim 1, characterized in that: air feed mechanism (3) including being used for providing the air supply spare (31) of hot air and being annular go-between (32), go-between (32) overcoat in (mixing) shaft (21), encircle go-between (32) have seted up annular (321) at its inner wall, annular (321) communicate in the inside of (mixing) shaft (21) through at least one through-hole of seting up in (mixing) shaft (21), air supply hole (322) of communicateing in annular (321) are seted up in go-between (32), air supply hole (322) communicate in the air feed end of air supply spare (31) through the pipeline.

3. The raw material mixing apparatus for plastic sheet production according to claim 2, characterized in that: the two ends of the connecting ring (32) in the axial direction are respectively provided with a bearing (323), the bearing (323) is sleeved outside the stirring shaft (21), and a plurality of sealing elements (33) used for sealing gaps between the connecting ring (32) and the stirring shaft (21) are arranged between the connecting ring and the stirring shaft.

4. The raw material mixing apparatus for plastic sheet production according to claim 3, characterized in that: the sealing element (33) is a high-temperature rotary sealing ring, and the sealing element (33) is arranged on two sides of the annular groove (321) along the radial direction of the connecting ring (32).

5. The raw material mixing apparatus for plastic sheet production according to claim 2, characterized in that: the air supply piece (31) comprises an air pump (311), a heating pipe (312) communicated with the air outlet end of the air pump (311) and an electric heating pipe (313) arranged in the heating pipe (312), and the heating pipe (312) is communicated with the air supply hole (322) through a pipeline.

6. The raw material mixing apparatus for plastic sheet production according to claim 1, characterized in that: the box body (1) is covered with a cover body (11), an air outlet is formed in the side portion of the box body (1), and the air outlet is communicated with a cooling piece (12) used for cooling discharged air.

7. The raw material mixing apparatus for plastic sheet production according to claim 6, characterized in that: the cooling piece (12) is a cooling fin communicated with the air outlet.

8. The raw material mixing apparatus for plastic sheet production according to claim 7, characterized in that: the side part of the box body (1) is provided with a cooling box (13) filled with cooling water, and the cooling piece (12) is arranged in the cooling box (13).