CN111516103B

CN111516103B - Straw mixing, foaming and forming equipment

Info

Publication number: CN111516103B
Application number: CN202010363837.8A
Authority: CN
Inventors: 房文浩
Original assignee: Individual
Current assignee: Heilongjiang Xinzhongxin Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2022-07-15
Anticipated expiration: 2040-04-30
Also published as: CN111516103A

Abstract

The invention discloses straw mixing foaming forming equipment, which relates to the field of environmental protection equipment and comprises a rack, a forming die, a rotary platform, a power mechanism, a locking mechanism, a spraying mechanism and a lifting mechanism.

Description

Straw mixing, foaming and forming equipment

Technical Field

The invention belongs to the field of environment-friendly equipment, and particularly relates to straw mixing, foaming and molding equipment.

Background

With the development of economy and the improvement of the living standard of people, the application range of the foaming material is wider and wider, such as the application in the aspects of packaging, shock absorption, sound insulation, heat insulation and the like. In the building materials, the lime-sand bricks, the fly ash bricks and the like are still used more at present, crop straws are used as the raw materials, the building materials are still less, such as round cake-shaped bricks, the height of the round cake-shaped bricks can be customized according to needs, the strength of the bricks can be realized by adjusting the proportion of each component according to needs, and compared with the traditional building materials, the building materials have a plurality of advantages in environmental protection and material cost.

At present, the foaming forming method of the cake-shaped brick is rare, the matched equipment is natural, and the existing production equipment can not meet the increasing demand, so that the foaming forming equipment suitable for the cake-shaped brick is needed to be developed.

Disclosure of Invention

The invention aims to provide straw mixing, foaming and forming equipment to solve the defects caused by the prior art.

The utility model provides a straw mixes foaming former, includes frame, forming die, rotation type platform, power unit, locking mechanism, spraying mechanism and lifting mechanism, forming die cooperates with rotary platform in order constituting the shaping die cavity and be used for realizing the foaming shaping of straw mixture, and rotary platform rotates and connects in the frame and drives it through power unit and rotate, locking mechanism installs both sides around the frame and is used for being located the rotary platform locking location of foaming shaping station, spraying mechanism is located the right side of frame and is used for the surface coating release agent to the shaping die cavity, lifting mechanism is located the left side of frame, and it cooperates with rotation type platform for the rotation arranges the material to the left product of frame.

Further, forming die includes mould, shaping pressure head and inner bag, go up the shaping hole that link up from top to bottom that is equipped with in the mould, the shaping is downthehole to be installed the inner bag, the inner bag is made by ceramic material, still installs an electrical heating interlayer between inner bag and the shaping hole, and electrical heating interlayer is connected with the power cord, and the power cord extends to the outside of last mould and is connected to the power, the shaping pressure head can sliding connection in the shaping downthehole top that lies in the mould, and the upper end of going up mould and shaping pressure head is connected with hydraulic stem one and hydraulic stem two respectively to go up mould and shaping pressure head and still respectively through guide stem one and two sliding connection of guide stem on the cope match-plate of frame top.

Further, the rotation type platform includes the shaping bottom plate and verts the mechanism, the shaping bottom plate has four and integrated into one piece to be the rotator of "ten" font, and both ends rotate through the pivot around the rotator and connect in the frame, and the front of shaping bottom plate and the cooperation of the lower terminal surface of last mould are in order to form the shaping die cavity, and the back mounted of shaping bottom plate has the mechanism of verting that is used for shifting the product.

Furthermore, the tilting mechanism comprises a movable plate, a spring, a plug board and a guide roller, the movable plate is rotatably connected into a groove body on the back of the forming bottom plate, one end of the movable plate is connected with two symmetrically-arranged connecting arms, the tail end of each connecting arm is rotatably connected with the guide roller, the guide roller extends out of the rear side of the forming bottom plate, two symmetrically-arranged rectangular holes are further formed in the forming bottom plate on one side of the guide roller, the plug board is inserted into the rectangular holes and fixes the upper end of the spring, and the lower end of the spring is fixed with the groove body;

in an initial state, the top surface of the movable plate is coplanar with the back surface of the forming bottom plate by means of the pulling force of the spring.

Furthermore, the power mechanism comprises a driving motor, a first synchronizing wheel, a second synchronizing wheel and a synchronous belt, the driving motor is installed on a supporting frame located on the front side of the rack, the output end of the driving motor is connected to the first synchronizing wheel, the first synchronizing wheel is connected to the second synchronizing wheel through the synchronous belt, and the second synchronizing wheel is installed on a rotating shaft of the rotating body.

Furthermore, the locking mechanisms are two and are respectively installed on the front side and the rear side of the rack, the locking mechanisms specifically comprise a support frame, a cylinder seat, a locking cylinder, a first sliding rail and a locking block, the cylinder seat is installed at the top of the support frame, the locking cylinder is installed on the cylinder seat, the output end of the locking cylinder is connected to the locking block, the locking block is connected to the first sliding rail in a sliding mode, the locking block specifically comprises a sliding block, a pressing plate and a supporting plate, the pressing plate and the supporting plate are respectively two, the pressing plate and the supporting plate are respectively fixed at the upper end and the lower end of the sliding block, guide holes matched with the pressing plate and the supporting plate are formed in the front side wall and the rear side wall of the rack, and the distance between the pressing plate and the supporting plate is not smaller than the thickness of the forming bottom plate.

Further, the spraying mechanism includes that spray frame, carriage, top shower nozzle, lower shower nozzle and level drive actuating cylinder, the carriage includes top slide and lower slide, is connected fixedly through the connecting plate between top slide and the lower slide, carriage sliding connection on spray frame both sides inner wall, the level drives actuating cylinder and installs in the right side of spray frame and its output and connects to top slide, installs telescopic cylinder between top slide and the lower slide, telescopic cylinder's output is connected with the top shower nozzle, the shower nozzle is installed in the bottom of lower slide down, and top shower nozzle and lower shower nozzle all are located the left side of carriage.

Further, lifting mechanism includes roll-over stand, upset motor, belt pulley one, belt pulley two and lifting frame, and the roll-over stand is located the rear side of rotation type platform, and the upset motor is installed in one side of roll-over stand and its output is connected to belt pulley one, and belt pulley one is connected to belt pulley two through the belt, and the lifting frame is including lifting pole and connecting axle, and the lifting pole has two and is fixed in the both ends of connecting axle respectively, and the both ends of connecting axle still rotate through the minor axis and connect on the roll-over stand, and belt pulley two is installed on the minor axis of one side wherein.

The invention has the advantages that:

(1) the invention adopts the foaming forming process to realize the rapid forming of the round cake-shaped bricks, the rotary platform which can rotate freely in 360 degrees plays two roles of foaming forming and product discharging, the foaming forming and the product discharging can be carried out synchronously, and the production efficiency is obviously improved compared with the traditional step-by-step production equipment.

(2) The forming bottom plate is novel in structural design, has three functions of forming, overturning and discharging, saves the cost of a forming die and accelerates the production rhythm.

(3) The locking mechanism of the invention realizes the locking and positioning of the forming bottom plate during forming and overturning, and ensures the smooth operation of the forming bottom plate and the overturning bottom plate.

(4) The spraying mechanism realizes the spraying of the release agent in the molding die cavity, improves the spraying efficiency compared with the traditional manual spraying, and can obviously improve the foaming speed and the production efficiency due to the design of the electric heating interlayer.

Drawings

Fig. 1 and fig. 2 are schematic structural diagrams of different viewing angles of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4(a) and 4(b) are schematic structural views of the present invention from different viewing angles after the spraying mechanism and the lifting mechanism are removed.

Fig. 5(a) is an exploded view of the upper die and the forming ram portion of the present invention.

Fig. 5(b) is a cross-sectional view of an upper mold in the present invention.

Fig. 6(a) is a schematic structural view of the forming floor in the inclined state of the tilting mechanism of the present invention.

Fig. 6(b) is a cross-sectional view of the profiled sole plate in the initial state of the tilting mechanism according to the invention.

Fig. 7 is a schematic structural view of the spray mechanism of the present invention.

Fig. 8 is a schematic view of the carriage of the spray mechanism.

Fig. 9 is a schematic structural view of the lifting mechanism of the present invention.

Fig. 10 is a schematic structural view of the locking mechanism of the present invention.

Fig. 11 is a schematic structural view of the rack of the present invention.

Fig. 12 is a top view of the forming shoe of the present invention.

Fig. 13 is a sectional view taken along the direction B-B in fig. 12.

Wherein:

1-a frame, 11-a material injection hole;

2-forming die, 21-upper die, 22-forming pressure head, 23-inner container, 24-electric heating interlayer, 25-forming hole, 26-power line, 27-first hydraulic rod, 28-second hydraulic rod, 29-first guide rod and 210-second guide rod;

3-rotary platform, 31-forming bottom plate, 32-tilting mechanism, 321-movable plate, 322-spring, 323-inserting plate, 324-guide roller, 325-connecting arm, 326-rectangular hole, 33-groove body, 34-short shaft, 35-cylindrical groove;

4-a power mechanism, 41-a driving motor, 42-a first synchronous wheel, 43-a second synchronous wheel and 44-a synchronous belt;

5-a spraying mechanism, 51-a spraying frame, 52-a sliding frame, 521-an upper sliding plate, 522-a lower sliding plate, 523-a connecting plate, 53-an upper spray head, 54-a lower spray head, 55-a horizontal driving cylinder and 56-a telescopic cylinder;

6-a lifting mechanism, 61-a turnover frame, 62-a turnover motor, 63-a belt pulley I, 64-a belt pulley II, 65-a lifting frame, 651-a lifting rod and 652-a connecting shaft;

7-locking mechanism, 71-supporting frame, 72-cylinder seat, 73-locking cylinder, 74-sliding rail I, 75-locking block, 751-sliding block, 752-pressing plate, 753-supporting plate and 76-guiding hole.

8-products.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 13, a straw mixing, foaming and molding device comprises a frame 1, a molding mold 2, a rotary platform 3, a power mechanism 4, a locking mechanism 7, a spraying mechanism 5 and a lifting mechanism 6;

the forming die 2 is matched with the rotary platform 3 to form a forming die cavity and is used for realizing the foaming forming of the straw mixture;

the rotary platform 3 is rotationally connected to the frame 1 and is driven to rotate by the power mechanism 4;

the locking mechanisms 7 are arranged on the front side and the rear side of the frame 1 and are used for locking and positioning the rotary platform 3 positioned at the foaming forming station;

the spraying mechanism 5 is positioned on the right side of the frame 1 and is used for spraying a release agent on the surface of the molding die cavity;

the lifting mechanism 6 is located on the left side of the frame 1, and is matched with the rotary platform 3 for discharging the product 8 which is rotated to the left side of the frame 1.

In this embodiment, the forming mold 2 includes an upper mold 21, a forming ram 22 and a liner 23, a forming hole 25 penetrating from top to bottom is formed in the upper mold 21, the liner 23 is installed in the forming hole 25, the liner 23 is made of a ceramic material, an electric heating interlayer 24 is further installed between the liner 23 and the forming hole 25, the electric heating interlayer 24 is connected with a power cord 26, the power cord 26 extends to the outer side of the upper mold 21 and is connected to a power supply, the forming ram 22 can be slidably connected in the forming hole 25 and located above the upper mold 21, the upper ends of the upper mold 21 and the forming ram 22 are respectively connected with a first hydraulic rod 27 and a second hydraulic rod 28, and the upper mold 21 and the forming ram 22 are further slidably connected to an upper mold plate above the rack 1 through a first guide rod 29 and a second guide rod 210. The electric heating interlayer 24 is made of copper plate with good electric conductivity and is wrapped on the outer wall of the inner container 23.

In this embodiment, the rotary platform 3 includes the forming bottom plate 31 and the tilting mechanism 32, the forming bottom plate 31 has four and integrated into one piece for the rotator of "ten" font, and both ends rotate through the pivot around the rotator and connect in frame 1, and the front of forming bottom plate 31 cooperates in order to form the forming die cavity with the lower terminal surface of last mould 21, and the back mounting of forming bottom plate 31 has the tilting mechanism 32 that is used for shifting product 8.

In this embodiment, the tilting mechanism 32 includes a movable plate 321, a spring 322, an insert plate 323 and a guide roller 324, the movable plate 321 is rotatably connected in a groove 33 at the back of the forming bottom plate 31, specifically, the movable plate 321 is rotatably connected in the groove 33 through short shafts 34 at two sides of the movable plate 321, two sides of the movable plate 321 are provided with cylindrical grooves 35 for mounting the short shafts 34, the short shafts 34 are slidably connected in the cylindrical grooves 35, a spring is further disposed between the short shafts 34 and the inner bottom surface of the cylindrical grooves 35, so that the assembly of the short shafts 34 and the groove 33 is facilitated, one end of the movable plate 321 is connected with two symmetrically disposed connecting arms 325, the tail end of the connecting arm 325 is rotatably connected with the guide roller 324, the guide roller 324 extends to the outside of the rear side of the forming bottom plate 31, two symmetrically disposed rectangular holes 326 are further disposed on the forming bottom plate 31 at one side of the guide roller 324, the insert plate 323 and fix the upper end of the spring 322 in the rectangular hole 326, the two sides of the rectangular hole 326 are provided with inserting holes matched with the inserting plate 323, the outer ends of the inserting holes extend out of the movable plate 321 and are used for inserting the inserting plate 323, the lower end of the spring 322 is fixed with the trough body 33, the bottom surface of the movable plate 321 is away from the bottom surface of the trough body 33 by a certain distance, the back surface of the forming bottom plate 31 is also provided with a placing groove matched with the connecting arm 325, and in addition, the bottom surface of the trough body 33 is also provided with a top block used for supporting the movable plate 321;

in an initial state, the top surface of the movable plate 321 is coplanar with the back surface of the profiled sole plate 31 by the tension of the spring 322.

In this embodiment, the power mechanism 4 includes a driving motor 41, a first synchronizing wheel 42, a second synchronizing wheel 43 and a timing belt 44, which are only schematically illustrated in the figure, the driving motor 41 is mounted on a supporting frame 71 located at the front side of the frame 1, an output end of the driving motor 41 is connected to the first synchronizing wheel 42, the first synchronizing wheel 42 is connected to the second synchronizing wheel 43 through the timing belt 44, and the second synchronizing wheel 43 is mounted on a rotating shaft of the rotating body.

In this embodiment, the two locking mechanisms 7 are respectively installed at the front side and the rear side of the frame 1, and specifically include a supporting frame 71, a cylinder block 72, a locking cylinder 73, a first sliding rail 74, and a locking block 75, the cylinder block 72 is installed at the top of the supporting frame 71, the locking cylinder 73 is installed on the cylinder block 72, and an output end of the locking cylinder is connected to the locking block 75, the locking block 75 is slidably connected to the first sliding rail 74, the locking block 75 specifically includes a sliding block 751, a pressing plate 752, and a supporting plate 753, two pressing plates 752 and two supporting plates 753 are respectively provided, the pressing plate 752 and the supporting plate 753 are respectively fixed at upper and lower ends of the sliding block 751, guide holes 76 matched with the pressing plate 752 and the supporting plate 753 are provided at the front and rear side walls of the frame 1, and a distance between the pressing plate 752 and the supporting plate 753 is not smaller than a thickness of the forming bottom plate 31. The front ends of the pressing plate 752 and the supporting plate 753 are provided with chamfers, so that the formed bottom plate 31 can be locked quickly.

In this embodiment, the spraying mechanism 5 includes a spraying frame 51, a sliding frame 52, an upper spray head 53, a lower spray head 54, and a horizontal driving cylinder 55, where the sliding frame 52 includes an upper sliding plate 521 and a lower sliding plate 522, the upper sliding plate 521 and the lower sliding plate 522 are connected and fixed through a connecting plate 523, the sliding frame 52 is connected to inner walls on two sides of the spraying frame 51 in a sliding manner, the horizontal driving cylinder 55 is installed on the right side of the spraying frame 51, and an output end of the horizontal driving cylinder 55 is connected to the upper sliding plate 521, specifically, connected to a connecting seat on the top surface of the upper sliding plate 521, a telescopic cylinder 56 is installed between the upper sliding plate 521 and the lower sliding plate 522, an output end of the telescopic cylinder 56 is connected to the upper spray head 53, the lower spray head 54 is installed at the bottom of the lower sliding plate 522, and the upper spray head 53 and the lower spray head 54 are both located on the left side of the sliding frame 52. Among them, the lower head 54 may be a disk-shaped head, and the spray area thereof is large, so that the spray area of the mold release agent of the molding base plate 31 can be enlarged. The upper nozzle 53 may be a conventional nozzle.

In this embodiment, the lifting mechanism 6 includes a roll-over stand 61, a roll-over motor 62, a first pulley 63, a second pulley 64 and a lifting frame 65, in the figure, the first pulley 63 and the second pulley 64 are only illustrated simply, the roll-over stand 61 is located at the rear side of the rotary platform 3, the roll-over motor 62 is installed at one side of the roll-over stand 61, and an output end of the roll-over motor is connected to the first pulley 63, the first pulley 63 is connected to the second pulley 64 through a belt, the lifting frame 65 includes a lifting rod 651 and a connecting shaft 652, the lifting rod 651 has two ends respectively fixed to two ends of the connecting shaft 652, two ends of the connecting shaft 652 are further rotatably connected to the roll-over stand 61 through short shafts, and the second pulley 64 is installed on the short shaft at one side of the two pulleys. The two raising levers 651 are respectively engaged with the two guide rollers 324 for raising the guide rollers 324.

The working process of the equipment of the invention is as follows:

spraying a release agent:

the upper die 21 and the forming press head 22 are located at the highest point, the horizontal driving cylinder 55 extends out at the moment, the upper spray head 53 and the lower spray head 54 are conveyed to the lower portion of the upper die 21, the telescopic cylinder 56 extends out to the highest point, the spraying equipment is started, the release agent enters the upper spray head 53 and the lower spray head 54 through hoses, the upper spray head 53 sprays the release agent on the inner wall of the forming hole 25 and the bottom surface of the forming press head 22, the lower spray head 54 sprays the release agent on the front surface of the forming bottom plate 31, the output end of the telescopic cylinder 56 gradually retracts in the spraying process, so that the inner wall of the forming hole 25 is uniformly sprayed, after the spraying is finished, the upper spray head 53 returns to the original position, the spraying equipment is closed, and the horizontal driving cylinder 55 retracts to the original position.

Molding:

the upper die 21 moves downwards to the lowest point under the action of the first hydraulic rod 27 and contacts with the front face of the forming bottom plate 31, at the moment, a straw mixture is injected into a die cavity defined by the forming hole 25 and the front face of the forming bottom plate 31 manually or by means of a manipulator, after the straw mixture is filled, the forming press head 22 moves downwards under the action of the second hydraulic rod 28 and blocks the forming hole 25, the electric heating interlayer 24 is electrified and heated at the moment to improve the foaming speed, the straw mixture starts to be foamed and formed, after the straw mixture is foamed for a period of time, the upper die 21 firstly moves upwards to the highest point, then the forming press head 22 moves upwards to the highest point, the demolding of the product 8 is completed, in the whole process, the press plate 752 and the support plate 753 in the locking block 75 both contact with the forming bottom plate 31, and the forming bottom plate 31 is in a locking state.

Turning over for discharging:

the locking cylinder 73 retracts, the locking block 75 is separated from the forming bottom plate 31, the forming bottom plate 31 is unlocked, the driving motor 41 drives the rotating body to rotate 90 degrees, the product 8 lies horizontally on the back of the forming bottom plate 31, namely the movable plate 321, the turnover frame 61 rotates and contacts with the guide roller 324, one end of the movable plate 321 is gradually jacked up, the movable plate 321 inclines for a certain angle, the product 8 rolls down into a storage frame (not shown) under the action of self weight, after the guide roller 324 reaches an extreme position upwards, the movable plate 321 stops rotating, the turnover frame 61 is separated from the guide roller 324 and resets under the tension of the spring 322, and the movable plate 321 is in a horizontal state and is stored in the groove 33.

After the forming bottom plate 31 is turned over by 90 degrees, the locking cylinder 73 extends out, and the forming bottom plate 31 positioned at the forming station is locked and positioned by the locking block 75 to perform foaming forming of the next product 8.

The foaming molding and discharging of the product 8 can be continuously completed by repeating the above steps.

In the invention, the front side of the frame 1 is also provided with a material injection hole 11, namely used for material injection equipment, such as a material injection pipe which extends into the forming hole 25 for material injection.

The equipment of the invention is suitable for forming the cake-shaped bricks with the height of more than 20cm, and has no excessive requirements on the diameter of the bricks.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. The straw mixing, foaming and forming equipment is characterized by comprising a rack (1), a forming die (2), a rotary platform (3), a power mechanism (4), a locking mechanism (7), a spraying mechanism (5) and a lifting mechanism (6), wherein the forming die (2) is matched with the rotary platform (3) to form a forming die cavity and used for realizing foaming and forming of straw mixed materials, the rotary platform (3) is rotationally connected to the rack (1) and is driven to rotate by the power mechanism (4), the locking mechanism (7) is installed on the front side and the rear side of the rack (1) and used for locking and positioning the rotary platform (3) positioned at a foaming and forming station, the spraying mechanism (5) is positioned on the right side of the rack (1) and used for spraying a release agent on the surface of the forming die cavity, and the lifting mechanism (6) is positioned on the left side of the rack (1), which is matched with the rotary platform (3) and is used for discharging a product (8) which rotates to the left side of the rack (1);

the forming die (2) comprises an upper die (21), a forming pressure head (22) and an inner container (23), a forming hole (25) which is through up and down is arranged in the upper die (21), the inner container (23) is arranged in the forming hole (25), the inner container (23) is made of ceramic materials, an electric heating interlayer (24) is also arranged between the inner container (23) and the forming hole (25), the electric heating interlayer (24) is connected with a power cord (26), the power cord (26) extends to the outer side of the upper die (21) and is connected to a power supply, the forming press head (22) can be connected in the forming hole (25) in a sliding mode and is positioned above the upper die (21), the upper ends of the upper die (21) and the forming press head (22) are respectively connected with a first hydraulic rod (27) and a second hydraulic rod (28), the upper die (21) and the forming pressure head (22) are respectively connected to an upper die plate above the rack (1) in a sliding manner through a guide rod I (29) and a guide rod II (210);

rotation type platform (3) are including forming bottom plate (31) and tilting mechanism (32), forming bottom plate (31) have four and integrated into one piece be the rotator of "ten" font, and both ends rotate through the pivot around the rotator and connect in frame (1), and the front of forming bottom plate (31) and the cooperation of the lower terminal surface of last mould (21) are in order to form the shaping die cavity, and the back mounted of forming bottom plate (31) has and is used for shifting product (8) tilting mechanism (32).

2. The straw mixing, foaming and molding device according to claim 1, characterized in that: the tilting mechanism (32) comprises a movable plate (321), a spring (322), an inserting plate (323) and a guide roller (324), the movable plate (321) is rotatably connected in a groove body (33) at the back of the forming bottom plate (31), one end of the movable plate (321) is connected with two connecting arms (325) which are symmetrically arranged, the tail end of each connecting arm (325) is rotatably connected with the guide roller (324), the guide roller (324) extends to the outer side of the rear side of the forming bottom plate (31), two rectangular holes (326) which are symmetrically arranged are further formed in the forming bottom plate (31) on one side of the guide roller (324), the inserting plate (323) is inserted in each rectangular hole (326), the upper end of the spring (322) is fixed, and the lower end of the spring (322) is fixed with the groove body (33);

in an initial state, the top surface of the movable plate (321) is coplanar with the back surface of the molded base plate (31) by means of the tension of the spring (322).

3. The straw mixing, foaming and molding device according to claim 1, characterized in that: the power mechanism (4) comprises a driving motor (41), a first synchronizing wheel (42), a second synchronizing wheel (43) and a synchronous belt (44), the driving motor (41) is installed on a supporting frame (71) located on the front side of the rack (1), the output end of the driving motor (41) is connected to the first synchronizing wheel (42), the first synchronizing wheel (42) is connected to the second synchronizing wheel (43) through the synchronous belt (44), and the second synchronizing wheel (43) is installed on a rotating shaft of the rotating body.

4. The straw mixing, foaming and molding device according to claim 1, characterized in that: the two locking mechanisms (7) are respectively arranged on the front side and the rear side of the rack (1) and specifically comprise a support frame (71), a cylinder seat (72), a locking cylinder (73), a first sliding rail (74) and a locking block (75), the cylinder seat (72) is arranged on the top of the support frame (71), the locking cylinder (73) is arranged on the cylinder seat (72) and the output end of the locking cylinder is connected to the locking block (75), the locking block (75) is connected to the first sliding rail (74) in a sliding manner, the locking block (75) specifically comprises a sliding block (751), a pressing plate (752) and a supporting plate (753), the molding base plate is characterized in that the number of the pressing plates (752) and the number of the supporting plates (753) are two, the pressing plates (752) and the supporting plates (753) are fixed to the upper end and the lower end of the sliding block (751) respectively, guide holes (76) matched with the pressing plates (752) and the supporting plates (753) are formed in the front side wall and the rear side wall of the rack (1), and the distance between the pressing plates (752) and the supporting plates (753) is not smaller than the thickness of the molding base plate (31).

5. The straw mixing, foaming and molding device according to claim 1, characterized in that: the spraying mechanism (5) comprises a spraying frame (51), a sliding frame (52), an upper spray head (53), a lower spray head (54) and a horizontal driving air cylinder (55), the sliding frame (52) comprises an upper sliding plate (521) and a lower sliding plate (522), the upper sliding plate (521) and the lower sliding plate (522) are fixedly connected through a connecting plate (523), the sliding frame (52) is connected to the inner walls of the two sides of the spraying frame (51) in a sliding manner, the horizontal driving cylinder (55) is arranged on the right side of the spraying frame (51), the output end of the horizontal driving cylinder is connected to the upper sliding plate (521), a telescopic cylinder (56) is arranged between the upper sliding plate (521) and the lower sliding plate (522), the output end of the telescopic cylinder (56) is connected with the upper spray head (53), the lower spray head (54) is arranged at the bottom of the lower sliding plate (522), and the upper spray head (53) and the lower spray head (54) are both positioned at the left side of the sliding frame (52).

6. The straw mixing, foaming and forming device as claimed in claim 1, wherein: lifting mechanism (6) are including roll-over stand (61), upset motor (62), belt pulley (63), belt pulley two (64) and lifting frame (65), roll-over stand (61) are located the rear side of rotation type platform (3), upset motor (62) are installed in one side of roll-over stand (61) and its output is connected to belt pulley (63), belt pulley (63) are connected to belt pulley two (64) through the belt, lifting frame (65) are including lifting rod (651) and connecting axle (652), lifting rod (651) have two and be fixed in the both ends of connecting axle (652) respectively, the both ends of connecting axle (652) still rotate through the minor axis and connect in roll-over stand (61), install on the minor axis of one side wherein on belt pulley two (64).