CN215511974U

CN215511974U - Energy-saving foam pre-foaming machine

Info

Publication number: CN215511974U
Application number: CN202121873098.3U
Authority: CN
Inventors: 胡国栋
Original assignee: Qingdao Xintianyu Energy Saving Engineering Co ltd
Current assignee: Yibin Jinti Construction Engineering Management Co.,Ltd.
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-14
Anticipated expiration: 2031-08-11

Abstract

The utility model belongs to the technical field of foam pre-expansion machines, and discloses an energy-saving type foam pre-expansion machine which comprises a pre-expansion barrel, a feed inlet, a motor and a rack, wherein a steam connecting pipe is arranged at the right end of the pre-expansion barrel, a reaction cavity is formed in the pre-expansion barrel, an output shaft of the motor penetrates through the pre-expansion barrel and is fixedly provided with a rotating shaft, a sweeping plate and a cutter are arranged on the outer surface of the rotating shaft, a filter ring is fixedly arranged in the middle of the reaction cavity, and a through opening is formed in the outer surface of the filter ring. According to the utility model, the foam raw material and the steam from the feeding hole are subjected to up-and-down opposite flushing through the upward injection of the vent hole and the circuitous groove, so that the raw material is fully heated, the foam raw material is heated more fully, the expansion speed is higher, compared with the prior art, the problem of uneven heating of the raw material caused by improper steam inlet direction in the traditional technology is solved, and the advantage of more full heating is achieved.

Description

Energy-saving foam pre-foaming machine

Technical Field

The utility model belongs to the technical field of foam pre-expansion machines, and particularly relates to an energy-saving foam pre-expansion machine.

Background

The pre-foaming machine is mainly used for producing plastic foam, in the production process of the plastic foam, raw materials need to be placed into a foaming barrel of the pre-foaming machine for uniform cutting and overall foaming expansion of the raw materials, so that the volume of a single particle of the foam raw materials is increased by multiple times, then the foam raw materials are discharged and formed, and the pre-foaming machine is an important part in the production process of the plastic foam.

At present, the foam prefoaming machine is being carried out the foaming stirring in-process, generally with the stirring and let in steam and process, but among the prior art, the direction that steam got into in the prefoaming bucket is mainly for the side, this leads to the raw materials can't combine with steam fast when getting into the prefoaming bucket inside, lead to the shaping inefficiency, in addition, the raw materials that increase in volume after the steam foaming can't be cut by the stirring cutter owing to drop to the barrel head fast, cause some great raw materials granule of volume can't be cut the shaping.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides an energy-saving type foam pre-foaming machine which has the advantages of being sufficient in heating and good in processing effect.

In order to achieve the purpose, the utility model provides the following technical scheme: an energy-saving type foam pre-foaming machine comprises a pre-foaming barrel, a feed inlet, a motor and a rack, wherein a steam connecting pipe is arranged at the right end of the pre-foaming barrel, a reaction cavity is formed in the pre-foaming barrel, an output shaft of the motor penetrates through the pre-foaming barrel and is fixedly provided with a rotating shaft, a sweeping plate and a cutter are arranged on the outer surface of the rotating shaft, a filter ring is fixedly arranged in the middle of the reaction cavity, a through opening is formed in the outer surface of the filter ring, an air vent and a circuitous groove are formed in the top of the filter ring, a filter hole is formed in the bottom of the filter ring, a communicating groove is formed in the middle of the pre-foaming barrel, steam is externally connected with the steam connecting pipe and enters the filter ring through the communicating groove, so that the steam is sprayed out of the air vent, the filter hole and the circuitous groove and enters the reaction cavity respectively, the steam sprayed out of the air vent and the circuitous groove moves upwards and heats and then expands the fallen foam raw materials, because the moving directions of the two are linearly opposite, the two can generate impact when contacting, thereby leading the foam raw material to be heated more quickly and fully.

As a preferred technical solution of the present invention, the feed inlet is fixedly installed at the top of the pre-foaming barrel, the pre-foaming barrel is fixedly installed at the top of the frame by bolts, the motor is fixedly installed at the bottom of the pre-foaming barrel, the steam connecting pipe is fixedly communicated with the right side of the outer surface of the pre-foaming barrel, the right side of the top of the pre-foaming barrel is fixedly installed with the discharging device, the rotating shaft penetrates through the middle of the filter ring, the cutter is fixedly installed at the upper end of the outer surface of the rotating shaft, the sweeping plate is fixedly installed at the lower end of the outer surface of the rotating shaft, the communicating groove is communicated with the filter ring, the filter ring is fixedly installed at the middle of the reaction chamber, the rotating shaft penetrates therethrough and rotates in a movable sleeve manner, through the vent hole and the filter hole, so that the foam raw material cut by the rotation of the cutter is screened, the small volume raw material up to the standard can fall down along the filter hole, and the large volume raw material not to the standard can be blown upwards by the steam from the communicating groove and re-float into the filter groove again along the bypass groove The upper region of the loop is subjected to repeated excision.

As a preferred technical scheme of the utility model, the number of the sweeping plates is two, the sweeping plates are respectively and fixedly arranged at the left end and the right end of the outer surface of the rotating shaft, the front surface of the sweeping plate is provided with a through groove, raw material particles with standard volume fall into the area of the sweeping plate along the filtering hole after being cut off by the cutter and screened by the filtering ring, the sweeping plate is driven to rotate and stir and sweep the raw material particles at the bottom area of the reaction cavity along with the rotation of the rotating shaft driven by the motor, so that the raw material particles enter the discharging device and are discharged out of the area, and the resistance of the sweeping plate during rotation can be reduced due to the arrangement of the through grooves, so that the power consumption of the motor during operation is reduced.

As a preferred technical scheme of the present invention, a cavity is formed in the filter ring, the port is communicated with the cavity, the diameter value of the vent hole is greater than that of the filter hole, the filter ring is of a circular ring structure with the cavity formed therein, steam from the steam connecting pipe sequentially passes through the communicating groove and the port and then enters the cavity, the steam is ejected along the vent hole, the filter hole and the circuitous groove to contact and heat the foam raw material, the filter hole is used for filtering raw material particles with the standard volume, and the raw material particles with the unqualified volume are blocked and blown upwards by the steam from four directions and re-enter the upper region of the reaction chamber, so that the yield of raw material processing is increased.

As a preferred technical solution of the present invention, the number of the detour grooves is four, the four detour grooves are circumferentially distributed at equal intervals based on the circle center of the filter ring, the detour grooves are shaped as an arc formed by two concentric circles, and have an angle of fifty degrees, the detour grooves are used to provide a passage for returning raw material particles, which are filtered by the filter holes and have an unqualified volume, to the upper region of the reaction chamber, some raw material particles entering the internal cavity of the filter ring have an oversized volume due to insufficient cutting by the cutting knife or excessive primary injection amount of the raw material, and the filter holes can block the oversized raw material particles, and then the raw material particles are returned to the cutting region through the detour grooves to complete the secondary processing.

In a preferred embodiment of the present invention, the sweeping plate is located below the filtering ring, the cutting knife is located above the filtering ring, the cutting knife is mainly used for cutting off the expanded raw material particles to disperse the raw material particles into smaller particles, and the smaller particles enter the lower region of the reaction chamber along the vent holes and the filtering holes, and the sweeping plate is driven to rotate and sweep the processed raw material into the discharging device and then discharge the processed raw material.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the communicating groove, the filtering ring, the vent hole, the filtering hole, the circuitous groove and the like are arranged to realize the heating function of the raw material, the communicating groove is formed to enable steam from the steam connecting pipe to pass through and enter the cavity area in the filtering ring along the through opening, then, the vent hole and the circuitous groove are upwards sprayed, so that the foam raw material and the steam from the feed inlet are subjected to up-and-down hedging, the raw material is fully heated, the foam raw material is fully heated, the expansion speed is higher, compared with the prior art, the problem of uneven heating of the raw material caused by improper steam inlet direction in the traditional technology is solved, and the advantage of more full heating is achieved.

2. The utility model realizes high yield of raw material processing by arranging the sweeping plate, the cutter, the communicating groove, the filter ring, the vent hole, the filter hole, the bypass groove and the like, foam raw materials are cut and rotatably cut by arranging the cutter to be processed, the foam raw materials with up-to-standard volume are filtered by arranging the filter hole to ensure that the foam raw materials with up-to-standard volume are blocked in the inner cavity of the filter ring, then steam from four directions is provided for the inner cavity of the filter ring through the through hole to blow the foam raw materials back to the rotary cutting processing area of the cutter to process the foam raw materials until the volume reaches the standard, and then the foam raw materials enter the lower area of the reaction cavity through the filter hole, and the processed foam is swept into the discharging device and discharged through the rotary scanning of the sweeping plate.

Drawings

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

FIG. 2 is a front cut-away schematic view of the structure of the present invention;

FIG. 3 is a top cut-away schematic view of the pre-expansion barrel of the present invention;

FIG. 4 is a schematic diagram showing the separation of the motor, the frame, the steam connecting pipe, the rotating shaft, the sweeping plate, the cutter and the filtering ring according to the present invention;

FIG. 5 is a front cut-away schematic view of a filter ring of the present invention;

FIG. 6 is a schematic top view of a filter ring of the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. a pre-foaming barrel; 2. a feed inlet; 3. a motor; 4. a frame; 5. a steam connecting pipe; 6. a rotating shaft; 7. sweeping the board; 71. a through groove; 8. a cutter; 9. a communicating groove; 10. a filter ring; 11. a vent hole; 12. a filtration pore; 13. a circuitous groove; 14. a port; 15. a reaction chamber; 16. a discharge device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the utility model provides an energy-saving foam pre-expander, which comprises a pre-expanding barrel 1, a feed inlet 2, a motor 3 and a frame 4, wherein a steam connecting pipe 5 is arranged at the right end of the pre-expanding barrel 1, a reaction chamber 15 is arranged inside the pre-expanding barrel 1, an output shaft of the motor 3 penetrates through the pre-expanding barrel 1 and is fixedly provided with a rotating shaft 6, a sweeping plate 7 and a cutter 8 are arranged on the outer surface of the rotating shaft 6, a filter ring 10 is fixedly arranged in the middle of the reaction chamber 15, a through opening 14 is arranged on the outer surface of the filter ring 10, a vent hole 11 and a circuitous groove 13 are arranged at the top of the filter ring 10, a filter hole 12 is arranged at the bottom of the filter ring 10, a communicating groove 9 is arranged in the middle of the pre-expanding barrel 1, steam is externally connected with the steam connecting pipe 5 and is led to enter the interior of the filter ring 10 through the communicating groove 9, so that the steam is respectively ejected from the vent hole 11, the filter hole 12 and the circuitous groove 13 and enters the reaction chamber 15, the steam injected along the vent holes 11 and the detour grooves 13 moves upward and heats and then expands the falling foam material, and since the moving directions of the two are linearly opposite to each other, the two are impacted when contacting each other, so that the foam material is heated more quickly and sufficiently.

Wherein, the feed inlet 2 is fixedly arranged at the top of the pre-foaming barrel 1, the pre-foaming barrel 1 is fixedly arranged at the top of the frame 4 through bolts, the motor 3 is fixedly arranged at the bottom of the pre-foaming barrel 1, the steam connecting pipe 5 is fixedly communicated with the right side of the outer surface of the pre-foaming barrel 1, the right side of the top of the pre-foaming barrel 1 is fixedly provided with the discharging device 16, the rotating shaft 6 penetrates through the middle part of the filter ring 10, the cutter 8 is fixedly arranged at the upper end of the outer surface of the rotating shaft 6, the sweeping plate 7 is fixedly arranged at the lower end of the outer surface of the rotating shaft 6, the communicating groove 9 is communicated with the filter ring 10, the filter ring 10 is fixedly arranged at the middle part of the reaction cavity 15, the rotating shaft 6 penetrates through the rotating shaft and rotates in a movable sleeved mode, the foam raw materials cut by the cutter 8 in a rotating mode are screened through the vent hole 11 and the filter hole 12, the qualified volume raw materials fall down along the filter hole 12, the unqualified large volume raw materials are blown upwards by the steam from the communicating groove 9 and flow into the small body of the filter ring 10 again along the roundabout groove 13 The upper region is repeatedly resected.

Wherein, sweep board 7's quantity for two and respectively fixed mounting both ends about the surface of pivot 6, sweep the front of board 7 and seted up logical groove 71, through the excision of cutter 8 and the screening of filtering ring 10, the raw materials granule that the volume is up to standard will fall into the region of sweeping board 7 along filtering hole 12, drive pivot 6 along with motor 3 and rotate, sweep board 7 and be driven and rotate and stir and sweep the raw materials granule that is located reaction chamber 15 bottom region, make the raw materials granule get into discharge apparatus 16 and discharge area, and the seting up of leading to groove 71 then can reduce the resistance of sweeping board 7 when rotatory, thereby reduce the power consumption of motor 3 when the operation.

Wherein, filter ring 10 is inside to have seted up the cavity, opening 14 and cavity intercommunication, the diameter value of air vent 11 is greater than the diameter value of filtering hole 12, filter ring 10 is the inside ring structure of seting up the cavity, the steam that comes from steam connecting pipe 5 will pass through intercommunication groove 9 in proper order, opening 14 then gets into the cavity, steam along air vent 11, filter hole 12 sprays and comes out with circuitous groove 13, thereby contact and heat with the foam raw materials, it is used for filtering the up-to-standard raw materials granule of volume to filter hole 12, and the too big up-to-standard raw materials granule of volume is then blockked and upwards blown and reentrant reaction chamber 15's upper portion region by the steam that comes from four directions, thereby the yields of raw materials processing has been increased.

The number of the circuitous grooves 13 is four, the four circuitous grooves 13 are circumferentially distributed at equal intervals by taking the circle center of the filter ring 10 as a reference, the circuitous grooves 13 are arc-shaped and have an angle of fifty degrees, the circuitous grooves 13 are used for providing a channel for returning raw material particles with unqualified volume filtered by the filter holes 12 to the upper area of the reaction chamber 15, the raw material particles entering the inner cavity of the filter ring 10 have a part of overlarge volume due to insufficient cutting by the cutting knife 8 or overlarge primary injection amount of the raw material, and the filter holes 12 can block the overlarge volume of the raw material particles, and then the raw material particles are returned to the cutting area through the circuitous grooves 13 to complete secondary processing.

Wherein the sweeping plate 7 is positioned below the filtering ring 10, the cutting knife 8 is positioned above the filtering ring 10, the working area of the cutting knife 8 mainly cuts off the expanded raw material particles to disperse the particles into smaller particles and enters the lower area of the reaction cavity 15 along the vent holes 11 and the filtering holes 12, and the sweeping plate 7 is driven to rotate and sweeps the processed raw material into the discharging device 16 and then discharges the processed raw material.

The working principle and the using process of the utility model are as follows:

connecting steam outside the steam connecting pipe 5, enabling the steam to sequentially enter the communicating groove 9, the through opening 14 and the filter ring 10 along the steam connecting pipe 5, starting the motor 3 and driving the rotating shaft 6 to rotate, then driving the sweeping plate 7 and the cutter 8 to rotate, pouring foam raw materials along the feeding hole 2, enabling the foam raw materials to enter the reaction cavity 15, enabling the steam to be sprayed upwards along the vent hole 11 and the circuitous groove 13 and to be contacted with the foam raw materials to be fully heated and expanded, and then cutting the foam raw materials by the cutter 8 rotating at a high speed and dividing the foam raw materials into a plurality of particles with small volume;

these particles fall through the ventilation holes 11 and the return channels 13 into the cavity area inside the filter ring 10, particles of a small size up to standard can pass through the filter holes 12 and enter the lower area of the reaction chamber 15, are swept by the rotating sweep plate 7 into the discharge device 16 and discharged, while particles of an excessively large size not up to standard are blown back into the upper area of the reaction chamber 15 by the steam from the port 14, are cut off through repeated processing and pass through the filter holes 12, and the process is completed.

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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-saving foam prefoaming machine, includes prefoaming bucket (1), feed inlet (2), motor (3) and frame (4), its characterized in that: the right-hand member of pre-foaming bucket (1) is provided with steam connecting pipe (5), reaction chamber (15) have been seted up to the inside of pre-foaming bucket (1), the output shaft of motor (3) runs through pre-foaming bucket (1) and fixed mounting has pivot (6), the surface of pivot (6) is provided with sweeps board (7) and cutter (8), the middle part fixed mounting of reaction chamber (15) has filter ring (10), through opening (14) have been seted up to the surface of filter ring (10), air vent (11) and circuitous groove (13) have been seted up at the top of filter ring (10), filter hole (12) have been seted up to the bottom of filter ring (10), intercommunication groove (9) have been seted up at the middle part of pre-foaming bucket (1).

2. An energy saving type pre-foaming machine according to claim 1, characterized in that: feed inlet (2) fixed mounting is at the top of pre-foaming bucket (1), pre-foaming bucket (1) is through bolt fixed mounting at the top of frame (4), motor (3) fixed mounting is in the bottom of pre-foaming bucket (1), steam connecting pipe (5) fixed intercommunication is on the right side of pre-foaming bucket (1) surface, the right side fixed mounting at pre-foaming bucket (1) top has discharge device (16), pivot (6) run through the middle part of crossing filter ring (10), cutter (8) fixed mounting is in the upper end of pivot (6) surface, sweep board (7) fixed mounting is at the lower extreme of pivot (6) surface, intercommunication groove (9) and filter ring (10) intercommunication.

3. An energy saving type pre-foaming machine according to claim 2, characterized in that: sweep the quantity of board (7) and be two and respectively fixed mounting at the left and right sides both ends of pivot (6) surface, sweep the front of board (7) and seted up logical groove (71).

4. An energy saving type pre-foaming machine according to claim 1, characterized in that: the filter ring (10) is internally provided with a cavity, the through hole (14) is communicated with the cavity, and the diameter value of the vent hole (11) is larger than that of the filter hole (12).

5. An energy saving type pre-foaming machine according to claim 1, characterized in that: the number of the roundabout grooves (13) is four, the four roundabout grooves (13) are circumferentially distributed at equal intervals by taking the circle center of the filter ring (10) as a reference, and the roundabout grooves (13) are arc-shaped and have an angle of fifty degrees formed by two concentric circles.

6. An energy saving type pre-foaming machine according to claim 2, characterized in that: the sweeping plate (7) is positioned below the filtering ring (10), and the cutter (8) is positioned above the filtering ring (10).