CN210361765U

CN210361765U - Device for preparing straw PVC composite board by efficiently utilizing straws

Info

Publication number: CN210361765U
Application number: CN201920539904.XU
Authority: CN
Inventors: 金梓堂
Original assignee: Nanjing Chuanbo Plastic Building Materials Co Ltd
Current assignee: Nanjing Chuanbo Plastic Building Materials Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-04-21
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a device for preparing straw PVC composite board by efficiently utilizing straws, which comprises a crushing device, a stirring device, a shaping device and a support rod, wherein the stirring device of the device for preparing straw PVC composite board by efficiently utilizing straws is internally provided with a rotating shaft, and materials mixed together are fully stirred through the rotation of arc rotating plates evenly distributed on the three rotating shafts, when the mixed material enters the shaping device, the shaping plates on the left side and the right side in the shaping box can be moved, the width of the plate can be adjusted, so that the applicable environment is greatly increased, and after the width of the mixed material is determined, the shaping plate connected to the shaping plate fixing seat according to the width adjustment is opened to the electric telescopic rod to extrude the mixed material, so that the bubbles inside the material are greatly reduced, and the formed plate is more attractive.

Description

Device for preparing straw PVC composite board by efficiently utilizing straws

Technical Field

The utility model relates to the technical field of material preparation, in particular to a device for efficiently utilizing straws to prepare a straw PVC composite board.

Background

The straw is an important agricultural waste, from the perspective of production raw materials, the wood-plastic composite material slows down and avoids the pollution of plastic waste, and also avoids the pollution caused by straw stacking and burning to the environment, PVC is selected for use in the process of preparing the straw into the composite board by the existing straw preparation device, because the PVC price is lower, and has stronger corrosion resistance after the composite board is generated, but the existing device often causes the produced composite board to be not ideal because of various modes in the production process, for example, the particle size of the straw powder is not standard enough, the stirring is not uniform enough, and the extrusion is not firm enough in the forming process, so that a large amount of bubbles and other conditions of manufacturers are caused, and the width of the board is difficult to change only under fixed conditions, so that the applicable environment is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a device of high-efficient straw preparation straw PVC composite board that utilizes for the particle size of straw powder is more standard, can make straw powder and PVC material mix more even moreover, and can be more firm in composite board forming process, and can also as required, adjust the width of panel in a flexible way, increased greatly the utility model discloses an applicable environment can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for preparing a straw PVC composite board by efficiently utilizing straws comprises a crushing device, a stirring device, a shaping device and a supporting rod;

a crushing device: the crushing device comprises a crushing barrel, a barrel cover, a first motor, a rotating shaft, a blade, a filter plate, filter holes, a first discharging pipe and a feeding hole, wherein the barrel cover is installed at the upper end of the crushing barrel, the feeding hole is formed in one side of the upper surface of the barrel cover, the first motor is installed in the middle of the upper surface of the barrel cover, the filter plate is in threaded connection with the lower end of the crushing barrel, one end of the rotating shaft penetrates through the barrel cover and is connected to the output end of the first motor, the other end of the rotating shaft is in bearing connection with the upper surface of the filter plate, the edges of the upper surface of the filter plate are provided with the filter holes;

a stirring device: the stirring device comprises a stirring box, a second motor, stirring shafts, gears, arc-shaped rotating plates and a discharge hole, wherein the stirring box is placed below a first discharge pipe, the stirring box is internally provided with three uniformly distributed stirring shafts, the stirring shafts are flush with the lower end of the stirring box, the second motor is arranged on the rear side surface of the stirring box, one end of each stirring shaft at the outermost side penetrates through the rear side surface of the stirring box and is connected with the output end of the second motor, the other end of each stirring shaft penetrates through the front side surface of the stirring box and extends to the outer side of the stirring box, the gears are connected to the other ends of the stirring shafts and are meshed with each other, the uniformly distributed arc-shaped rotating plates are arranged on the circumferential surface of each stirring shaft, the right side surface of the stirring box is provided with the discharge;

a shaping device: the shaping device comprises a connecting hole, a shaping plate fixing seat, an electric telescopic rod, a first fixing hole, a shaping box cover plate, a first fixing plate, a supporting plate, a detachable shaping plate, a third fixing hole and a shaping box, wherein the left side surface of the shaping box is provided with a connecting hole corresponding to a discharge hole, two corresponding shaping plates are arranged inside the shaping box, the side surface of the shaping plate is connected with one ends of four uniformly distributed supporting plates, the other end of each supporting plate penetrates through the side wall of the shaping box and extends to the outer side of the shaping box, the side surfaces of the four supporting plates are provided with first fixing holes corresponding to each other, the front side and the rear side of the shaping box are provided with first fixing plates corresponding to each other, the side surfaces of the first fixing plates are provided with two third fixing holes, the third fixing holes correspond to the first fixing holes, and one end of a threaded rod is arranged inside the first fixing holes, the other end of threaded rod runs through third fixed orifices and two first fixed orifices, the other end threaded connection of threaded rod has the nut, the up end of design case is connected with design case apron, the upper surface evenly distributed of design case apron has four electric telescopic handle, electric telescopic handle's flexible end runs through design case apron to connect the upper surface of design board fixing base, the lower surface mounting of design board fixing base has the design board of dismantling to dismantle

Wherein, still include second discharging pipe, mill and bracing piece: the rear side of agitator tank is connected to the one end of bracing piece, the periphery of reducing mechanism is connected to the other end of bracing piece, first discharging pipe periphery is connected to second discharging pipe one end, the right side of mill is provided with the discharge gate, the other end of second discharging pipe is connected to the discharge gate.

Further, the stirring device comprises an electric heating tube and an electric heating box, wherein the electric heating box is arranged on the lower surface of the stirring device, and the electric heating tube is arranged in the electric heating box

Further, still include second fixed plate, second fixed orifices, bar hole and bar sliding block, the bar hole is provided with two, and the left and right sides at the design case is seted up to two corresponding setups in bar hole, and the upper and lower both ends in two bar holes are provided with two second fixed plates respectively to the corresponding second fixed orifices of seting up evenly distributed in the surface of two second fixed plates, the bar sliding block is provided with two to the both ends sliding connection of two bar sliding blocks is in the inside in bar hole, the lower surface connection stereotypes of bar sliding block, the through-hole has been seted up at both ends about the bar sliding block upper surface, the through-hole corresponds each other with two second fixed orifices.

Further, still include closing plate, fixed block, thread fixing post and get the thing mouth, get the thing mouth and set up the right flank lower extreme at the design case, the closing plate is connected with the lower surface hinge of design case, it is corresponding with the closing plate to get the thing mouth, the right flank upper end of closing plate is connected with the fixed block, thread fixing post installs the right flank at the design case to be in the upper end of getting the thing mouth, the surface of fixed block is seted up porosely, and this hole corresponds with thread fixing post each other.

Further, still include support and landing leg, the support setting is at mill and agitating unit's lower extreme to the lower surface of setting at the support of agitating unit lower extreme is connected with four landing legs of evenly distributed.

Further, still include the dead lever, the upper surface at design case apron is installed to the dead lever, the both ends of dead lever respectively with two first fixed plate threaded connection.

Compared with the prior art, the beneficial effects of the utility model are that: this reducing mechanism is installed to the top of the device of straw PVC composite board is prepared to high-efficient straw of utilizing, reducing mechanism's bottom threaded connection has the filter screen, the unable department that flows of granule of not enough standard, make the standard of granule size strengthen greatly, the rotation of evenly distributed's arc commentaries on classics board in three pivot, make the material that mixes together abundant stir, when combined material gets into the setting device, can remove the design board of the inside left and right sides of design case, can be with the adjustment that the width of panel goes on, make suitable environment greatly increased, after the combined material carries out wide definite determination, the design board of connecting on the design board fixing base according to the width adjustment, open electric telescopic handle and extrude combined material, reduce the inside bubble of material greatly, and make the panel after the shaping more pleasing to the eye.

Drawings

FIG. 1 is a schematic view of the front side structure of the present invention;

FIG. 2 is a front side sectional view of the structure of the present invention;

fig. 3 is a cross-sectional view of the right side of the stirring device of the present invention.

In the figure: 1 a crushing device, 101 a crushing barrel, 102 a barrel cover, 103 a first motor, 104 a rotating shaft, 105 blades, 106 a filter plate, 107 filter holes, 108 a first discharge pipe, 109 a feed inlet, 2 a second discharge pipe, 3 an open mill, 4 a stirring device, 401 a stirring box, 402 a second motor, 403 a stirring shaft, 404 gears, 405 an arc rotating plate, 406 a discharge port, 5 an electric heating pipe, 6 a shaping device, 601 a connecting hole, 602 a shaping plate fixing seat, 603 electric telescopic rod, 604 first fixed orifices, 605 design case cover board, 606 first fixed plate, 607 backup pad, 608 can dismantle the design board, 609 design board, 610 third fixed orifices, 611 design case, 7 second fixed plate, 8 second fixed orifices, 9 bar holes, 10 sealing plate, 11 fixed block, 12 screw fixation post, 13 support, 14 landing legs, 15 bar sliding block, 16 bracing pieces, 17 get thing mouth, 18 fixed lever, 19 electric heat box.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a device for preparing a straw PVC composite board by efficiently utilizing straws comprises a crushing device 1, a stirring device 4, a shaping device 6 and a supporting rod 16;

the crushing device 1: the crushing device 1 comprises a crushing barrel 101, a barrel cover 102, a first motor 103, a rotating shaft 104, a blade 105, a filter plate 106, filter holes 107, a first discharge pipe 108 and a feed inlet 109, wherein the barrel cover 102 is installed at the upper end of the crushing barrel 101, the feed inlet 109 is formed in one side of the upper surface of the barrel cover 102, the first motor 103 is installed in the middle of the upper surface of the barrel cover 102, the filter plate 106 is in threaded connection with the lower end of the crushing barrel 101, one end of the rotating shaft 104 penetrates through the barrel cover 102 and is connected with the output end of the first motor 103, the other end of the rotating shaft 104 is in bearing connection with the upper surface of the filter plate 106, the edges of the upper surface of the filter plate 106 are provided with the filter holes 107 which are uniformly distributed, the lower surface of the filter plate 106 is connected with;

the stirring device 4: the stirring device 4 comprises a stirring box 401, a second motor 402, a stirring shaft 403, a gear 404, an arc-shaped rotating plate 405 and a discharge hole 406, wherein the stirring box 401 is placed below the first discharge pipe 108, three stirring shafts 403 which are uniformly distributed are arranged in the stirring box 401, the stirring shafts 403 are flush with the lower end of the stirring box 401, the second motor 402 is arranged on the rear side surface of the stirring box 401, one end of the outermost stirring shaft 403 penetrates through the rear side surface of the stirring box 401 and is connected with the output end of the second motor 402, the other end of the stirring shaft 403 penetrates through the front side surface of the stirring box 401 and extends to the outer side of the stirring box 401, the gear 404 is connected with the other end of the stirring shaft 403, the three gears 404 are mutually meshed, the arc-shaped rotating plates 405 which are uniformly distributed are arranged on the circumferential surface of the stirring shaft 403, the right side surface of the stirring box 401 is provided with, mixing the straw powder with the PVC milled at high temperature by the open mill, so that the mixing is more thorough;

and (6) a shaping device: the shaping device 6 comprises a connecting hole 601, a shaping plate fixing seat 602, an electric telescopic rod 603, a first fixing hole 604, a shaping box cover plate 605, a first fixing plate 606, a supporting plate 607, a detachable shaping plate 608, a shaping plate 609, a third fixing hole 610 and a shaping box 611, wherein the left side surface of the shaping box 611 is provided with the connecting hole 601 corresponding to the discharge hole 406, two corresponding shaping plates 609 are arranged inside the shaping box 611, the side surface of the shaping plate 609 is connected with one ends of the four uniformly distributed supporting plates 607, the other end of the supporting plate 607 penetrates through the side wall of the shaping box 611 and extends to the outer side of the shaping box 611, the side surfaces of the four supporting plates 607 are provided with the first fixing holes 604 corresponding to each other, the first fixing plates 606 corresponding to each other are arranged on the front side and the rear side of the shaping box 611, and the side surface of the first fixing plate 606 is provided with the two, the third fixing hole 610 corresponds to the first fixing hole 604, one end of the threaded rod is disposed inside the first fixing hole 604, the other end of the threaded rod passes through the third fixing hole 610 and the two first fixing holes 604, the other end of the threaded rod is in threaded connection with a nut, the upper end surface of the shaping box 611 is connected with a shaping box cover plate 605, four electric telescopic rods 603 are uniformly distributed on the upper surface of the shaping box cover plate 605, the telescopic ends of the electric telescopic rods 603 penetrate through the shaping box cover plate 605, and is connected with the upper surface of the fixing seat 602 of the shaping plate, the lower surface of the fixing seat 602 of the shaping plate is provided with a detachable shaping plate 608, the width of the formed plate can be adjusted, the applicable environment is greatly increased, the electric telescopic rod 603 is opened to extrude the mixed material, bubbles in the material are greatly reduced, and the formed plate is more attractive;

wherein, still include second discharging pipe 2, mill 3 and bracing piece 16: agitator tank 401's trailing flank is connected to the one end of bracing piece 16, reducing mechanism 1's periphery is connected to the other end of bracing piece 16, first discharging pipe 108 periphery is connected to 2 one ends of second discharging pipe, the right side of mill 3 is provided with the discharge gate, the other end of second discharging pipe 2 is connected to the discharge gate, uses first discharging pipe 108 and second discharging pipe 2 to carry out preliminary mixture with 3 inside PVC combined material and the straw powder through the mill of mill, uses bracing piece 16 to fix reducing mechanism 1 in the top of agitating unit 4 for the material of preliminary mixture directly flows into agitating unit 4.

Further, the electric heating device comprises an electric heating tube 5 and an electric heating box 19, wherein the electric heating box 19 is installed on the lower surface of the stirring device 4, the electric heating tube 5 is installed inside the electric heating box 19, and mixed materials inside the stirring device 4 are heated, so that the temperature of the mixed materials cannot be reduced.

Further, still include second fixed plate 7, second fixed orifices 8, bar hole 9 and bar sliding block 15, bar hole 9 is provided with two, and two corresponding setups in the left and right sides of stereotyped case 611 in bar hole 9, and the upper and lower both ends in two bar holes 9 are provided with two second fixed plates 7 respectively to the corresponding second fixed orifices 8 of seting up evenly distributed in the surface of two second fixed plates 7, bar sliding block 15 is provided with two, and two bar sliding block 15's both ends sliding connection is in the inside in bar hole 9, stereotyped plate 609 is connected to bar sliding block 15's lower surface, the through-hole has been seted up at both ends about bar sliding block 15 upper surface, the through-hole corresponds each other with two second fixed orifices 8, fixes stereotyped plate 609 for it is fixed more firm.

Further, still include closing plate 10, fixed block 11, thread fixing post 12 and get thing mouth 17, get thing mouth 17 and offer the right flank lower extreme at the design case 611, closing plate 10 and the lower surface hinge connection of design case, it is corresponding with closing plate 10 to get thing mouth 17, the right flank upper end of closing plate 10 is connected with fixed block 11, thread fixing post 12 is installed at the right flank of design case 611 to be in the upper end of getting thing mouth 17, the surface of fixed block 11 is seted up porosely, and this hole corresponds with thread fixing post 12 each other, can take out the panel after the shaping cooling through getting thing mouth 17.

Further, still include support 13 and landing leg 14, support 13 sets up the lower extreme at mill 3 and agitating unit 4 to the lower surface of support 13 that sets up at agitating unit 4 lower extreme is connected with four landing legs 14 of evenly distributed, supports mill 3, agitating unit 4, makes the utility model discloses it is more firm at the during operation.

Further, the fixing rod 18 is further included, the fixing rod 18 is installed on the upper surface of the shaping box cover plate 605, and two ends of the fixing rod 18 are respectively in threaded connection with the two first fixing plates 606, so that the shaping box cover plate 605 is more firmly fixed on the upper end surface of the shaping box 611.

When in use: respectively opening a first motor 103 and an open mill 3 to put straws into a crushing device 1 for crushing, screening the crushed straws through a filter plate 106, enabling the screened straw particles to enter a first discharge pipe 108, putting the crushed straws and PVC composite materials into the open mill 3 for high-temperature open milling, enabling the PVC composite materials subjected to high-temperature open milling to flow into the first discharge pipe 108 through a second discharge pipe 2 and to be preliminarily mixed with the screened straw particles, enabling the preliminarily mixed straw powder and PVC composite materials to flow into a stirring device 4 through the first discharge pipe 108, opening a second motor 402 to drive four stirring shafts 403 to rotate, driving arc rotating plates 405 uniformly distributed on the circumferential surface of the stirring shaft 403, further mixing the preliminarily mixed straw powder and the PVC composite materials, enabling the mixing to be more thorough, opening an electric heating pipe 5 below the stirring box 401 to heat the mixed materials inside the stirring box 401, so that the mixed material can not be cooled in the stirring process, the mixed material after stirring flows into the lower end of the shaping box 611 through the connecting hole 601 connected with the discharge hole 406, the two shaping plates 609 are relatively moved through the first fixing plate 607 to adjust to the required width, then the corresponding first fixing plate 607 is fixed on the support plate 606 by using a threaded rod, so that the shaping plates 608 are fixed, the shaping box cover plate 605 is opened, the detachable shaping plate 609 fixed on the lower surface of the shaping box fixing seat 602 is replaced by the width corresponding to the composite board, the shaping box cover plate 605 is covered, then the fixing rod 18 connected to the upper surface of the shaping box cover plate 605 is fixed on the upper surface of the support plate 606, the shaping box cover plate 605 is fixed, the electric telescopic rod 603 is opened, so that the detachable shaping plate 609 is downwards extruded, and the bubbles of the formed composite board are reduced, The material is more durable, and more has the aesthetic feeling moreover, waits for inside composite board shaping, opens and gets thing mouth 17 and take out composite board.

It is worth noting that the straw powder disclosed in the embodiment is about 30 meshes, the open mill 3 is a high-temperature open mill, the specific model is a Naxi XK-16 inch high-temperature glue open mill, the first motor 103 and the second motor 402 can be high-voltage motors with the model of Siemens 1TL0001-1EB43-3AA5, the electric heating tube 5 can be freely configured according to practical application scenes, the electric telescopic rod 603 can be an electric telescopic rod with the model of 100 produced by three pioneers, the open mill 3, the first motor 103, the second motor 402, the electric heating tube 5 and the electric telescopic rod 603 are controlled by an external open source single chip microcomputer, and the open source single chip microcomputer controls the open mill 3, the first motor 103, the second motor 402, the electric heating tube 5 and the electric telescopic rod 603 to work by adopting the prior art.

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

1. A device for efficiently utilizing straws to prepare a straw PVC composite board is characterized in that: comprises a crushing device (1), a stirring device (4), a shaping device (6) and a support rod (16);

crushing device (1): the crushing device (1) comprises a crushing barrel (101), a barrel cover (102), a first motor (103), a rotating shaft (104), a blade (105), a filter plate (106), a filter hole (107), a first discharge pipe (108) and a feed inlet (109), a barrel cover (102) is arranged at the upper end of the crushing barrel (101), a feed inlet (109) is arranged at one side of the upper surface of the barrel cover (102), the middle part of the upper surface of the barrel cover (102) is provided with a first motor (103), the filter plate (106) is connected with the lower end of the crushing barrel (101) in a threaded manner, one end of the rotating shaft (104) penetrates through the barrel cover (102) and is connected with the output end of the first motor (103), the other end of the rotating shaft (104) is connected to the upper surface of the filter plate (106) in a bearing way, the edge of the upper surface of the filter plate (106) is provided with uniformly distributed filter holes (107), and the lower surface of the filter plate (106) is connected with a first discharge pipe (108);

stirring device (4): the stirring device (4) comprises a stirring box (401), a second motor (402), a stirring shaft (403), a gear (404), an arc-shaped rotating plate (405) and a discharge hole (406), wherein the stirring box (401) is placed below a first discharge pipe (108), three stirring shafts (403) which are uniformly distributed are installed inside the stirring box (401), the stirring shafts (403) are flush with the lower end of the stirring box (401), the second motor (402) is installed on the rear side surface of the stirring box (401), one end of the stirring shaft (403) on the outermost side penetrates through the rear side surface of the stirring box (401) and is connected with the output end of the second motor (402), the other end of the stirring shaft (403) penetrates through the front side surface of the stirring box (401) and extends to the outer side of the stirring box (401), the gear (404) is connected with the other end of the stirring shaft (403), and the three gears (404) are mutually meshed, arc-shaped rotating plates (405) which are uniformly distributed are mounted on the circumferential surface of the stirring shaft (403), a discharge hole (406) is formed in the right side surface of the stirring box (401), and the discharge hole (406) is inclined;

setting device (6): the shaping device (6) comprises a connecting hole (601), a shaping plate fixing seat (602), an electric telescopic rod (603), a first fixing hole (604), a shaping box cover plate (605), a first fixing plate (606), a supporting plate (607), a detachable shaping plate (608), a shaping plate (609), a third fixing hole (610) and a shaping box (611), wherein the left side surface of the shaping box (611) is provided with the connecting hole (601) corresponding to the discharge hole (406), two corresponding shaping plates (609) are arranged inside the shaping box (611), the side surface of the shaping plate (609) is connected with one ends of the four uniformly distributed supporting plates (607), the other end of the supporting plate (607) penetrates through the side wall of the shaping box (611) and extends to the outer side of the shaping box (611), and the side surfaces of the four supporting plates (607) are provided with the first fixing holes (604) corresponding to each other, the front side and the rear side of the shaping box (611) are provided with first fixing plates (606) which correspond to each other, two third fixing holes (610) are arranged on the side surface of the first fixing plate (606), the third fixing hole (610) corresponds to the first fixing hole (604), one end of a threaded rod is arranged in the first fixing hole (604), the other end of the threaded rod penetrates through the third fixing hole (610) and the two first fixing holes (604), the other end of the threaded rod is in threaded connection with a nut, the upper end surface of the shaping box (611) is connected with a shaping box cover plate (605), four electric telescopic rods (603) are uniformly distributed on the upper surface of the shaping box cover plate (605), the telescopic end of the electric telescopic rod (603) penetrates through the shaping box cover plate (605), the upper surface of the shaping plate fixing seat (602) is connected, and a detachable shaping plate (608) is mounted on the lower surface of the shaping plate fixing seat (602);

wherein, still include second discharging pipe (2), mill (3) and bracing piece (16): the trailing flank of agitator tank (401) is connected to the one end of bracing piece (16), the periphery of reducing mechanism (1) is connected to the other end of bracing piece (16), first discharging pipe (108) periphery is connected to second discharging pipe (2) one end, the right side of mill (3) is provided with the discharge gate, the other end of second discharging pipe (2) is connected to the discharge gate.

2. The device for preparing the straw PVC composite board by efficiently utilizing the straws as claimed in claim 1 is characterized in that: the stirring device is characterized by further comprising an electric heating pipe (5) and an electric heating box (19), wherein the electric heating box (19) is installed on the lower surface of the stirring device (4), and the electric heating pipe (5) is installed inside the electric heating box (19).

3. The device for preparing the straw PVC composite board by efficiently utilizing the straws as claimed in claim 1 is characterized in that: also comprises a second fixed plate (7), a second fixed hole (8), a strip-shaped hole (9) and a strip-shaped sliding block (15), two strip-shaped holes (9) are arranged, the two strip-shaped holes (9) are correspondingly arranged at the left side and the right side of the shaping box (611), the upper end and the lower end of each strip-shaped hole (9) are respectively provided with two second fixing plates (7), and the surfaces of the two second fixed plates (7) are correspondingly provided with second fixed holes (8) which are uniformly distributed, the two strip-shaped sliding blocks (15) are arranged, and the two ends of the two strip-shaped sliding blocks (15) are connected inside the strip-shaped holes (9) in a sliding way, shaping board (609) is connected to the lower surface of bar sliding block (15), the through-hole has been seted up at both ends about bar sliding block (15) upper surface, the through-hole corresponds each other with two second fixed orificess (8).

4. The device for preparing the straw PVC composite board by efficiently utilizing the straws as claimed in claim 1 is characterized in that: still include closing plate (10), fixed block (11), screw fixation post (12) and get thing mouth (17), get thing mouth (17) and set up the right flank lower extreme at shaping case (611), closing plate (10) and the lower surface hinge connection who shapes the case, it is corresponding with closing plate (10) to get thing mouth (17), the right flank upper end of closing plate (10) is connected with fixed block (11), the right flank at shaping case (611) is installed in screw fixation post (12) to be in the upper end of getting thing mouth (17), the surface of fixed block (11) is seted up porosely, and this hole corresponds each other with screw fixation post (12).

5. The device for preparing the straw PVC composite board by efficiently utilizing the straws as claimed in claim 1 is characterized in that: still include support (13) and landing leg (14), support (13) set up the lower extreme at mill (3) and agitating unit (4) to the lower surface of setting up support (13) at agitating unit (4) lower extreme is connected with four landing legs (14) of evenly distributed.

6. The device for preparing the straw PVC composite board by efficiently utilizing the straws as claimed in claim 1 is characterized in that: the fixing device is characterized by further comprising a fixing rod (18), wherein the fixing rod (18) is installed on the upper surface of the shaping box cover plate (605), and two ends of the fixing rod (18) are respectively in threaded connection with the two first fixing plates (606).