阅读说明：本技术 一种塑料板材挤出模具 (Plastic plate extrusion die ) 是由 赵淑英 于 2020-06-22 设计创作，主要内容包括：本发明公开了一种塑料板材挤出模具,具体涉及模具领域,包括进料进压机构,进料进压机构的一侧固定安装有板厚调节机构,板厚调节机构远离进料进压机构的一侧固定安装有预热与冷却机构,板厚调节机构与预热与冷却机构之间固定安装有连接机构；板厚调节机构包括顶置支撑板,顶置支撑板的两侧均固定安装有侧置支撑板,顶置支撑板的底部固定安装有底置支撑板,底置支撑板的两侧均开设有第一活动插槽。本发明通过设置了进料进压机构,第一弹簧伸缩块内部的弹簧推动密封支撑板支撑在顶置支撑板与底置支撑板之间,使得顶置支撑板与底置支撑板的顶部、底部与两侧形成一个密封的空间,以便于塑料板成型与脱模。(The invention discloses a plastic plate extrusion die, which particularly relates to the field of dies and comprises a feeding pressure inlet mechanism, wherein a plate thickness adjusting mechanism is fixedly arranged on one side of the feeding pressure inlet mechanism, a preheating and cooling mechanism is fixedly arranged on one side of the plate thickness adjusting mechanism, which is far away from the feeding pressure inlet mechanism, and a connecting mechanism is fixedly arranged between the plate thickness adjusting mechanism and the preheating and cooling mechanism; the plate thickness adjusting mechanism comprises an overhead supporting plate, side supporting plates are fixedly mounted on two sides of the overhead supporting plate, a bottom supporting plate is fixedly mounted at the bottom of the overhead supporting plate, and first movable slots are formed in two sides of the bottom supporting plate. According to the invention, the feeding and pressing mechanism is arranged, and the spring in the first spring telescopic block pushes the sealing support plate to be supported between the top support plate and the bottom support plate, so that a sealed space is formed at the top, the bottom and two sides of the top support plate and the bottom support plate, and the plastic plate can be conveniently molded and demoulded.)

1. The utility model provides a plastic board extrusion tooling, includes feeding pressure mechanism (1), its characterized in that: a plate thickness adjusting mechanism (2) is fixedly installed on one side of the feeding pressure inlet mechanism (1), a preheating and cooling mechanism (3) is fixedly installed on one side, far away from the feeding pressure inlet mechanism (1), of the plate thickness adjusting mechanism (2), and a connecting mechanism (4) is fixedly installed between the plate thickness adjusting mechanism (2) and the preheating and cooling mechanism (3);

the plate thickness adjusting mechanism (2) comprises an overhead supporting plate (201), side supporting plates (202) are fixedly mounted on two sides of the overhead supporting plate (201), a bottom supporting plate (203) is fixedly mounted at the bottom of the overhead supporting plate (201), first movable slots (204) are formed in two sides of the bottom supporting plate (203), the side supporting plate (202) is inserted into an inner cavity of the corresponding first movable slot (204), first spring telescopic blocks (205) are fixedly mounted on two sides of the bottom supporting plate (203), a sealing supporting plate (206) is inserted into the top of each first spring telescopic block (205), the sealing supporting plate (206) penetrates through the bottom supporting plate (203), a feeding connecting seat (207) is fixedly mounted on one side of the overhead supporting plate (201), and semicircular supporting blocks (208) are fixedly mounted at four corners of the overhead supporting plate (201) and the bottom supporting plate (203), a semicircular clamping groove (209) is formed in the semicircular supporting block (208), a second spring telescopic block (2010) is fixedly mounted at the bottom of the semicircular clamping groove (209), a semicircular supporting block (2011) is fixedly mounted at the top of the second spring telescopic block (2010), the semicircular supporting block (2011) is connected to the inner cavity of the corresponding semicircular clamping groove (209) in a sliding mode, a second connecting plate (2012) is fixedly mounted on one side of each of the second spring telescopic block (2010) and the semicircular supporting block (2011) through a bolt, the preheating and cooling mechanism (3) comprises a first discharging frame (31), a second discharging frame (32) is fixedly mounted on one side of the first discharging frame (31), a plurality of heating plates (33) are fixedly mounted on the outer wall of the first discharging frame (31), a first outer wrapping frame (34) is fixedly mounted on the outer wall of the second discharging frame (32), one side fixed mounting of first outsourcing frame (34) has air-cooler (35), the one end intercommunication of air-cooler (35) is equipped with cold wind connecting pipe (36), there is bow-shaped mount pad (37) at the top of first outsourcing frame (34) through bolt fixed mounting, the top fixed mounting of bow-shaped mount pad (37) has a plurality of exhaust fan (38), the one end intercommunication that air-cooler (35) were kept away from in cold wind connecting pipe (36) is equipped with exhaust connecting pipe (39), hot plate (33) all are equipped with temperature control module with the inside of air-cooler (35).

2. A plastic sheet extrusion die as in claim 1, wherein: the side support plates (202) and the first movable slots (204) are arranged in a one-to-one correspondence mode, the top support plate (201), the bottom support plate (203), the sealing support plate (206) and the feeding connecting seat (207) are arranged in a sealing mode, and the feeding connecting seat (207) is made of a tough high-temperature-resistant material.

3. A plastic sheet extrusion die as in claim 1, wherein: the second connecting plate (2012) at one side of the second spring telescopic block (2010) is fixedly arranged at one side of the bottom supporting plate (203), and the second connecting plate (2012) at one side of the semicircular supporting block (2011) is fixedly arranged at one side of the top supporting plate (201).

4. A plastic sheet extrusion die as in claim 1, wherein: first ejection of compact frame (31) and second ejection of compact frame (32) are sealed form setting, cold wind connecting pipe (36) are the equidistance and encircle the outer wall that sets up in first outsourcing frame (34), first ejection of compact frame (31) are linked together with second ejection of compact frame (32).

5. A plastic sheet extrusion die as in claim 1, wherein: feeding pressure feed mechanism (1) includes first connecting plate (101), one side fixed mounting of first connecting plate (101) has connection type frame (102), one side fixed mounting of connection type frame (102) has mounting panel (103) of admitting air, one side of first connecting plate (101) is equipped with atmospheric pressure connecting pipe (104) through mounting panel (103) intercommunication of admitting air, one side intercommunication of first connecting plate (101) is equipped with a plurality of plastics inlet pipe (105).

6. A plastic sheet extrusion die as in claim 1, wherein: coupling mechanism (4) include third connecting plate (41), first through-groove (42) have been seted up to the inside of third connecting plate (41), there is bearing type frame (43) one side of first through-groove (42) through bolt fixed mounting, the equal fixed mounting in top and the bottom of third connecting plate (41) one side has first fast-assembling board (44), the equal fixed mounting in both sides that first fast-assembling board (44) were kept away from in third connecting plate (41) has side fixture block (45).

7. A plastic sheet extrusion die as in claim 1, wherein: overhead backup pad (201) all seted up a plurality of relative second activity slots (5) with the end one side that is close of putting backup pad (203), all peg graft between overhead backup pad (201) and the end backup pad (203) and have activity picture peg (6), one side fixed mounting of activity picture peg (6) has fixed handle (7), the top fixed mounting of overhead backup pad (201) has a plurality of fixed hanging stick (8).

8. A plastic sheet extrusion die as in claim 1, wherein: a second through groove (9) is formed in the feeding connecting seat (207), and an overhead convex plate (10) is fixedly mounted in an inner cavity of the second through groove (9).

9. A plastic sheet extrusion die as in claim 1, wherein: the outer wall of first ejection of compact frame (31) has second outsourcing frame (11) through bolt fixed mounting, a plurality of fixed slots (12) have been seted up to the inside of second outsourcing frame (11), fixed slot (12) are the one-to-one setting with hot plate (33), hot plate (33) are fixed in corresponding fixed slot (12) inner chamber.

10. A plastic sheet extrusion die as in claim 1, wherein: be equipped with connecting seam (13) between first ejection of compact frame (31) and second ejection of compact frame (32), the edge fixed mounting of connecting seam (13) has a plurality of second fast-assembling boards (14), first ejection of compact frame (31) and second ejection of compact frame (32) are through second fast-assembling board (14) sealing connection, the one end intercommunication that first ejection of compact frame (31) was kept away from in second ejection of compact frame (32) is equipped with discharge gate (15).

Technical Field

The invention relates to the technical field of dies, in particular to a plastic plate extrusion die.

Background

A combined plastic mould for compression moulding, extrusion moulding, injection moulding, blow moulding and low-foaming moulding is composed of a concave mould with variable cavity consisting of concave mould combined substrate, concave mould assembly and concave mould combined clamping plate, a convex mould with variable core consisting of convex mould combined substrate, convex mould assembly, convex mould combined clamping plate, cavity cut-off assembly and side cut-off combined plate, and the convex and concave moulds and auxiliary moulding system, which can be used to process different shapes and sizes of plastic parts, the combination is provided with a molding cavity, the mold is clamped on an injection molding machine during injection molding, molten plastic is injected into the molding cavity and is cooled and shaped in the cavity, then an upper mold and a lower mold are separated, a product is ejected out of the mold cavity through an ejection system and leaves the mold, finally the mold is closed again for next injection molding, and the whole injection molding process is carried out in a circulating mode.

Different thick boards of in-process needs adjustment at the in-process that carries out the atmospheric pressure extrusion molding, traditional thick board adjustment mode, remain the sand grip of joint seam in the side of plastic slab easily, influence pleasing to the eye on the one hand, on the other hand influences the precision cutting of secondary operation, and when the plastic slab at extrusion and fashioned process, to the plastic slab of different thickness, need keep the preheating process of different temperatures earlier, the back keeps the shaping process of different temperatures, traditional plastic slab forming mode is with the whole drawing of patterns back of plastic slab, carry out whole temperature control, be unfavorable for in-service use.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a plastic sheet extrusion die, in which a feeding and pressing mechanism is provided, and a spring inside a first spring expansion block pushes a sealing support plate to be supported between a top support plate and a bottom support plate, so that a sealed space is formed at the top, the bottom, and two sides of the top support plate and the bottom support plate, so as to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a plastic plate extrusion die comprises a feeding pressure feeding mechanism, wherein a plate thickness adjusting mechanism is fixedly installed on one side of the feeding pressure feeding mechanism, a preheating and cooling mechanism is fixedly installed on one side, away from the feeding pressure feeding mechanism, of the plate thickness adjusting mechanism, and a connecting mechanism is fixedly installed between the plate thickness adjusting mechanism and the preheating and cooling mechanism;

the plate thickness adjusting mechanism comprises an overhead supporting plate, wherein side supporting plates are fixedly arranged on two sides of the overhead supporting plate, a bottom supporting plate is fixedly arranged at the bottom of the overhead supporting plate, first movable slots are formed in two sides of the bottom supporting plate, the side supporting plate is inserted into corresponding first movable slot inner cavities, first spring telescopic blocks are fixedly arranged on two sides of the bottom supporting plate, a sealing supporting plate is inserted into the top of each first spring telescopic block, the sealing supporting plate penetrates through the bottom supporting plate, a feeding connecting seat is fixedly arranged on one side of the overhead supporting plate, semicircular supporting blocks are fixedly arranged at four corners of the overhead supporting plate and the bottom supporting plate, semicircular clamping grooves are formed in the semicircular supporting blocks, second spring telescopic blocks are fixedly arranged at the bottoms of the semicircular clamping grooves, and semicircular supporting blocks are fixedly arranged at the tops of the second spring telescopic blocks, the semicircular supporting blocks are connected with the corresponding semicircular clamping groove inner cavities in a sliding manner, a second connecting plate is fixedly arranged on one side of each second spring expansion block and one side of each semicircular supporting block through bolts, the preheating and cooling mechanism comprises a first discharging frame, a second discharging frame is fixedly arranged on one side of the first discharging frame, a plurality of heating plates are fixedly arranged on the outer wall of the first discharging frame, a first outer wrapping frame is fixedly arranged on the outer wall of the second discharging frame, an air cooler is fixedly arranged on one side of the first outer package frame, one end of the air cooler is communicated with a cold air connecting pipe, the top of the first outer wrapping frame is fixedly provided with an arched mounting seat through bolts, the top of the arched mounting seat is fixedly provided with a plurality of heat exhausting fans, the one end intercommunication that the air-cooler was kept away from to the cold wind connecting pipe is equipped with the exhaust connecting pipe, the inside of hot plate and air-cooler all is equipped with temperature control module.

In a preferred embodiment, the side supporting plates and the first movable slots are arranged in a one-to-one correspondence manner, the top supporting plate, the bottom supporting plate, the sealing supporting plate and the feeding connecting seat are arranged in a sealing manner, and the feeding connecting seat is made of a tough high-temperature-resistant material.

In a preferred embodiment, the second connecting plate on one side of the second spring expansion block is fixedly installed on one side of the bottom support plate, and the second connecting plate on one side of the semicircular support block is fixedly installed on one side of the top support plate.

In a preferred embodiment, the first discharging frame and the second discharging frame are arranged in a sealing manner, the cold air connecting pipe is arranged on the outer wall of the first outer wrapping frame in an equidistant manner, and the first discharging frame is communicated with the second discharging frame.

In a preferred embodiment, the feeding pressure feeding mechanism comprises a first connecting plate, a connection type frame is fixedly mounted on one side of the first connecting plate, an air inlet mounting plate is fixedly mounted on one side of the connection type frame, an air pressure connecting pipe is arranged on one side of the first connecting plate through the air inlet mounting plate, and a plurality of plastic feeding pipes are arranged on one side of the first connecting plate through the air inlet mounting plate.

In a preferred embodiment, the connecting mechanism includes a third connecting plate, a first through groove is formed in the third connecting plate, a bearing type frame is fixedly mounted on one side of the first through groove through a bolt, first quick-mounting plates are fixedly mounted on the top and the bottom of one side of the third connecting plate, and side-mounted clamping blocks are fixedly mounted on two sides of the third connecting plate far away from the first quick-mounting plates.

In a preferred embodiment, a plurality of second relative movable slots are formed in one side, close to the bottom supporting plate, of the top supporting plate, a movable inserting plate is inserted between the top supporting plate and the bottom supporting plate, a fixed handle is fixedly mounted on one side of the movable inserting plate, and a plurality of fixed suspension rods are fixedly mounted at the top of the top supporting plate.

In a preferred embodiment, a second through groove is formed in the feeding connecting seat, and an overhead convex plate is fixedly mounted in an inner cavity of the second through groove.

In a preferred embodiment, the outer wall of the first discharging frame is fixedly provided with a second outer wrapping frame through bolts, a plurality of fixing slots are formed in the second outer wrapping frame, the fixing slots and the heating plate are arranged in a one-to-one correspondence mode, and the heating plate is fixed in the inner cavity of the corresponding fixing slot.

In a preferred embodiment, a connecting seam is arranged between the first discharging frame and the second discharging frame, a plurality of second quick-mounting plates are fixedly mounted at the edge of the connecting seam, the first discharging frame and the second discharging frame are in sealing connection through the second quick-mounting plates, and one end, far away from the first discharging frame, of the second discharging frame is communicated with a discharging port.

The invention has the technical effects and advantages that:

1. according to the invention, the feeding and pressing mechanism is arranged, the semicircular supporting block is adjusted to a proper height by the spring in the second spring telescopic block, after the adjustment is finished, the semicircular supporting block is fixed in the inner cavity of the semicircular clamping groove by the bolt, the spring in the first spring telescopic block pushes the sealing supporting plate to be supported between the top supporting plate and the bottom supporting plate, so that a sealed space is formed at the top, the bottom and two sides of the top supporting plate and the bottom supporting plate, and a plastic plate can be conveniently formed and demoulded;

2. according to the plastic plate forming machine, the preheating and cooling mechanism is arranged, liquefied materials of the plastic plate enter from the inner cavity of the plastic feeding pipe, the corresponding air pressure type plastic extruding machine is communicated through the air pressure connecting pipe, so that the plastic plate is pushed to be formed, when the plastic plate formed in the initial step passes through the inner cavity of the first discharging frame, the smoothness of movement of the plastic plate formed in the initial step is improved through preheating of the heating plate, cold air is blown out of the inner cavity of the cold air connecting pipe through the air cooler, an annular air cooling mode is formed on the outer wall of the second discharging frame, finally, air is discharged from the exhaust connecting pipe, the formed plastic plate is pushed out from one end of the discharging port, and the problem that the preheating and cooling forming processes are.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic structural diagram of the feeding and pressing mechanism of the present invention.

FIG. 4 is a schematic view showing the structure of the plate thickness adjusting mechanism of the present invention.

FIG. 5 is an enlarged view of portion A of FIG. 4 according to the present invention.

FIG. 6 is a partial front cross-sectional view of the plate thickness adjusting mechanism of the present invention.

FIG. 7 is a partial schematic view of a semi-circular support block according to the present invention.

Fig. 8 is a schematic structural view of the connection mechanism of the present invention.

FIG. 9 is a schematic structural diagram of the preheating and cooling mechanism of the present invention.

FIG. 10 is an enlarged view of the portion B of FIG. 9 according to the present invention.

The reference signs are: 1 feeding pressure inlet mechanism, 101 first connecting plate, 102 connecting type frame, 103 air inlet mounting plate, 104 air pressure connecting pipe, 105 plastic feeding pipe, 2 plate thickness adjusting mechanism, 201 top supporting plate, 202 side supporting plate, 203 bottom supporting plate, 204 first movable slot, 205 first spring expansion block, 206 sealing supporting plate, 207 feeding connecting seat, 208 semicircular supporting block, 209 semicircular clamping groove, 2010 second spring expansion block, 2011 semicircular supporting block, 2012 second connecting plate, 3 preheating and cooling mechanism, 31 first discharging frame, 32 second discharging frame, 33 heating plate, 34 first outer wrapping frame, 35 air cooler, 36 cold air connecting pipe, 37 arc-shaped mounting seat, 38 heat exhausting fan, 39 air exhausting connecting pipe, 4 connecting mechanism, 41 third connecting plate, 42 first through groove, 43 bearing type frame, 44 first quick mounting plate, 45 side clamping block, 5 second movable slot, 6 movable insertion plates, 7 fixed handles, 8 fixed suspension rods, 9 second through grooves, 10 overhead convex plates, 11 second outer wrapping frames, 12 fixed insertion grooves, 13 connecting seams, 14 second quick mounting plates and 15 discharge holes.

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.

Referring to the attached drawings 1-10 in the specification, the plastic plate extrusion die according to an embodiment of the invention may include a feeding pressure mechanism 1, a plate thickness adjusting mechanism 2 is fixedly installed at one side of the feeding pressure mechanism 1, a preheating and cooling mechanism 3 is fixedly installed at one side of the plate thickness adjusting mechanism 2 away from the feeding pressure mechanism 1, a connecting mechanism 4 is fixedly installed between the plate thickness adjusting mechanism 2 and the preheating and cooling mechanism 3, the plate thickness adjusting mechanism 2 includes a top supporting plate 201, side supporting plates 202 are fixedly installed at both sides of the top supporting plate 201, a bottom supporting plate 203 is fixedly installed at the bottom of the top supporting plate 201, first movable slots 204 are respectively installed at both sides of the bottom supporting plate 203, the side supporting plates 202 are inserted into corresponding first movable slots 204, first spring expansion blocks 205 are fixedly installed at both sides of the bottom supporting plate 203, and a sealing supporting plate 206 is inserted into the tops of the first spring expansion blocks 205, the sealing support plate 206 penetrates through the bottom support plate 203, the top of the sealing support plate 206 is fixedly connected with the bottom of the top support plate 201, when the distance between the top support plate 201 and the bottom support plate 203 is adjusted, the sealing support plate 206 penetrates through the bottom support plate 203, is slidably inserted into the inner cavity of the first spring expansion block 205, and the spring in the inner cavity of the first spring expansion block 205 plays a supporting role on the sealing support plate 206, the feeding connection seat 207 is fixedly installed at one side of the top support plate 201, the semicircular support blocks 208 are fixedly installed at four corners of the top support plate 201 and the bottom support plate 203, the semicircular clamping groove 209 is formed in the semicircular support block 208, the second spring expansion block 2010 is fixedly installed at the bottom of the semicircular clamping groove 209, the semicircular support block 2011 is fixedly installed at the top of the second spring expansion block 2010, and the semicircular support block 2011 is slidably, one side of the second spring telescopic block 2010 and one side of the semicircular supporting block 2011 are both fixedly provided with a second connecting plate 2012 through bolts, and a spring inside the second spring telescopic block 2010 can push the semicircular supporting block 2011 to move in a direction away from the second spring telescopic block 2010.

The preheating and cooling mechanism 3 comprises a first discharging frame 31, a second discharging frame 32 is fixedly installed on one side of the first discharging frame 31, a plurality of heating plates 33 are fixedly installed on the outer wall of the first discharging frame 31, the heating plates 33 are cast aluminum heating plates, a first outer package frame 34 is fixedly installed on the outer wall of the second discharging frame 32, an air cooler 35 is fixedly installed on one side of the first outer package frame 34, one end of the air cooler 35 is communicated with a cold air connecting pipe 36, an arched mounting seat 37 is fixedly installed on the top of the first outer package frame 34 through bolts, a plurality of heat exhausting fans 38 are fixedly installed on the top of the arched mounting seat 37, one end, far away from the air cooler 35, of the cold air connecting pipe 36 is communicated with an air exhausting connecting pipe 39, temperature control modules are respectively installed inside the heating plates 33 and the air cooler 35, and the temperature control modules installed inside the heating plates 33 and the air cooler 35 are NTC, the plastic plates with different thicknesses can be used for adjusting different heating and cooling temperatures, so that the molding efficiency of the plastic plates is improved.

The side support plates 202 are arranged corresponding to the first movable slots 204 one by one, the top support plate 201, the bottom support plate 203, the sealing support plate 206 and the feeding connection seat 207 are arranged in a sealing manner, the feeding connection seat 207 is made of a tough high-temperature resistant material, the second connection plate 2012 at one side of the second spring expansion block 2010 is fixedly arranged at one side of the bottom support plate 203, the second connection plate 2012 at one side of the semicircular support block 2011 is fixedly arranged at one side of the top support plate 201, the first discharging frame 31 and the second discharging frame 32 are arranged in a sealing manner, the cold air connecting pipes 36 are arranged on the outer wall of the first outer covering frame 34 in an equidistant surrounding manner, the first discharging frame 31 is communicated with the second discharging frame 32, the feeding pressure inlet mechanism 1 comprises a first connection plate 101, one side of the first connection plate 101 is fixedly provided with a connecting type frame 102, one side of the connecting type frame 102 is fixedly, one side of the first connecting plate 101 is communicated with an air pressure connecting pipe 104 through an air inlet mounting plate 103, one side of the first connecting plate 101 is communicated with a plurality of plastic feeding pipes 105, the connecting mechanism 4 comprises a third connecting plate 41, a first through groove 42 is formed inside the third connecting plate 41, a bearing type frame 43 is fixedly mounted on one side of the first through groove 42 through bolts, first quick mounting plates 44 are fixedly mounted on the top and the bottom of one side of the third connecting plate 41, side-mounted clamping blocks 45 are fixedly mounted on two sides of the third connecting plate 41 far away from the first quick mounting plates 44, the connection type frame 102 is hermetically inserted in an inner cavity of the second through groove 9, the preheating and cooling mechanism 3 and the connection mechanism 4 with different apertures are rapidly installed through different distances between the top support plate 201 and the bottom support plate 203, and the installation convenience of the preheating and cooling mechanism 3 can be improved through the arrangement of the connection mechanism 4.

A plurality of second opposite movable slots 5 are respectively arranged at one side of the top supporting plate 201 close to the bottom supporting plate 203, a movable inserting plate 6 is respectively inserted between the top supporting plate 201 and the bottom supporting plate 203, a fixed handle 7 is fixedly arranged at one side of the movable inserting plate 6, a plurality of fixed suspension rods 8 are fixedly arranged at the top of the top supporting plate 201, a second through groove 9 is arranged inside the feeding connecting seat 207, a top convex plate 10 is fixedly arranged in the inner cavity of the second through groove 9, a second outer wrapping frame 11 is fixedly arranged on the outer wall of the first discharging frame 31 through bolts, a plurality of fixed slots 12 are arranged inside the second outer wrapping frame 11, the fixed slots 12 are in one-to-one correspondence with the heating plates 33, the heating plates 33 are fixed in the inner cavities of the corresponding fixed slots 12, a connecting seam 13 is arranged between the first discharging frame 31 and the second discharging frame 32, a plurality of second quick-mounting plates 14 are fixedly arranged at the edge of the, first ejection of compact frame 31 and second ejection of compact frame 32 are through second fast-assembling board 14 sealing connection, and the one end intercommunication that first ejection of compact frame 31 was kept away from to second ejection of compact frame 32 is equipped with discharge gate 15, and the setting of second fast-assembling board 14 can promote the convenience of first ejection of compact frame 31 and the installation of second ejection of compact frame 32, and the setting of joint line 13 can promote the convenience of heat exhausting fan 38 and the dismouting of hot plate 33 later stage and maintenance.

The working principle is as follows: firstly, taking out the parts required by the invention for convenient installation and use, when in actual use, hermetically connecting the feeding pressure mechanism 1, the plate thickness adjusting mechanism 2, the preheating and cooling mechanism 3 and the connecting mechanism 4, adjusting the semicircular supporting block 2011 to a proper height by using a spring in the second spring telescopic block 2010, fixing the semicircular supporting block 2011 in the inner cavity of the semicircular clamping groove 209 by using a bolt after the adjustment is finished, pushing the sealing supporting plate 206 to be supported between the top supporting plate 201 and the bottom supporting plate 203 by using a spring in the first spring telescopic block 205, so that a sealed space is formed at the top, the bottom and two sides of the top supporting plate 201 and the bottom supporting plate 203 for convenient plastic plate molding and demoulding, liquefied materials of the plastic plate enter from the inner cavity of the plastic feeding pipe 105, communicating a corresponding pneumatic extrusion molding machine by using the pneumatic connecting pipe 104, and pushing the plastic plate to be molded, when preliminary fashioned plastic slab is through first ejection of compact frame 31 inner chamber, through heating of hot plate 33 preheating, promote the smoothness nature that preliminary fashioned plastic slab removed, recycle air-cooler 35 and blow off air conditioning to the inner chamber of cold wind connecting pipe 36, form the mode of annular forced air cooling at the outer wall of second ejection of compact frame 32, and last wind is discharged from exhaust connecting pipe 39, and the plastic slab that the shaping was accomplished is released from the one end of discharge gate 15.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.