CN114833980A

CN114833980A - Plane type plastic board former for building

Info

Publication number: CN114833980A
Application number: CN202210210811.9A
Authority: CN
Inventors: 林建毛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-05
Filing date: 2022-03-05
Publication date: 2022-08-02

Abstract

The invention relates to plastic board forming equipment, in particular to plastic board forming equipment for a planar building. The technical problem of the invention is as follows: the plastic cement plate forming equipment for the plane type building can realize automatic outflow of plastic cement liquid and automatic feeding. The technical scheme is as follows: the utility model provides a plane formula plastic board former for building, is including fixing base, mounting panel, slide rail, a removal section of thick bamboo etc. and the mounting panel bottom is provided with three fixing base, and both sides all are provided with the slide rail around the mounting panel top, and slidingtype is connected with a removal section of thick bamboo between the slide rail, and even division of removal bobbin base has 5 first through-holes. The invention adopts the pushing moving cylinder to drive the swinging plate to move, so that the swinging plate is extruded and rotated by the moving plate, the second through hole is communicated with the first through hole, and then the plastic cement liquid flows downwards into the mounting plate for forming.

Description

Plane type plastic board former for building

Technical Field

The invention relates to plastic board forming equipment, in particular to plastic board forming equipment for a planar building.

Background

The application of plastic plates is very wide, the market demand for the plastic plates is continuously increased, the plastic plates are generally applied to the field of planar buildings, and a plurality of types of plastic plate forming equipment are also available on the market.

Through search, a multifunctional plastic plate forming device with patent application number CN202020607197.6 comprises at least one heat release device, each heat release device comprises an insulation box and a joint component, a conveying channel is arranged on the insulation box along the conveying direction of the plastic plate, after the heat formed plate conveyed from the front end is conveyed to a conveying channel of the insulation box, the conveying process in the conveying channel is a temperature release process, the insulation box reduces the temperature loss speed of the plate, the plastic plate slowly releases the internal thermal stress in the temperature release process, and finally the plastic plate is formed into a desired plate. The joint assembly is arranged on the outer surface of the insulation box and connected with the insulation box; when a plurality of thermal slow-release devices are arranged in the device, the thermal slow-release devices are sequentially arranged, and adjacent thermal insulation boxes are detachably connected through a joint component.

Above-mentioned multi-functional plastic panel forming device can realize the plastic board shaping, nevertheless need artifically pour the plastic liquid into the device in, troublesome poeration, research and development now can realize automatic outflow plastic liquid, realize automatic feeding's plastic board former for planar building.

Disclosure of Invention

In order to overcome the defect that the multifunctional plastic plate forming device needs to manually pour the plastic liquid into the device, the invention has the technical problems that: the plastic cement plate forming equipment for the plane type building can realize automatic outflow of plastic cement liquid and automatic feeding.

The technical scheme is as follows: the utility model provides a plane formula plastic board former for building, including the fixing base, the mounting panel, a slide rail, remove a section of thick bamboo, swing mechanism and heat preservation mechanism, the mounting panel bottom is provided with three fixing base, both sides all are provided with the slide rail around the mounting panel top, sliding type is connected with between the slide rail and removes a section of thick bamboo, it has 5 first through-holes to remove even opening of bobbin base portion, it realizes the swing mechanism of the ejection of compact to be provided with between a section of thick bamboo and the mounting panel to remove, it can keep warm to plastic liquid to be provided with on the section of thick bamboo, avoid the refrigerated heat preservation mechanism of plastic liquid.

Optionally, the swing mechanism is including the mount, the movable plate, ordinary spring, a swing section of thick bamboo, swing board and first scroll spring, the rotary type is connected with the swing section of thick bamboo that is used for storing the plastic cement liquid in the removal section of thick bamboo, the swing section of thick bamboo is from taking the injecting glue mouth, swing bobbin base portion evenly opens has 5 second through-holes, swing section of thick bamboo front and back both sides and removal all are provided with first scroll spring between the section of thick bamboo, swing section of thick bamboo front and back both sides all are provided with the swing board, mounting panel bottom right side front and back both sides all are provided with the mount, equal sliding connection has the movable plate on the mount, the movable plate contacts with the swing board, all be provided with ordinary spring between movable plate left side and the mount.

Optionally, heat preservation mechanism is provided with the fixed block including fixed block, backplate, connecting plate and the ring that generates heat, removes a section of thick bamboo right side, and the fixed block right side is provided with can carry out the backplate that surrounds with removing a section of thick bamboo, and both sides all are provided with the connecting plate around the backplate left part, and the connecting plate is connected with removing a section of thick bamboo, is provided with the ring that generates heat between the connecting plate, and the ring cover that generates heat is in removing a section of thick bamboo outside.

Optionally, still including the levelling mechanism that can carry out the flattening to the plastic board top, levelling mechanism is including the mounting disc, the erection column, the board advances, the fixed column, rotor plate and second scroll spring, both sides all are provided with the mounting disc around the removal bobbin base portion, all be connected with the fixed column on the mounting disc, the rotary type is connected with the rotor plate between the fixed column, all be provided with second scroll spring between both sides and the fixed column around the rotor plate, both sides all are connected with 9 erection columns around the mounting panel top, equal sliding type is connected with the board that advances between the erection column top of horizontal homonymy, the rotary type is connected with the scraper blade between the board left side that advances.

Optionally, still including canceling release mechanical system, canceling release mechanical system is including trompil dish, column spinner, third spiral spring, steel cable and limiting plate, and the mounting panel left side is provided with the trompil dish, and trompil dish left side is connected with the column spinner, and the equal rotary type in both sides is connected with the reel around the column spinner, all is provided with third spiral spring between reel and the column spinner, and around having the steel cable on the reel, the steel cable opposite side and the board connection that advances are provided with the limiting plate between the mounting post.

Optionally, the automatic plastic plate ejection mechanism is further included, the ejection mechanism comprises an installation rod, a rotating handle, an elliptical block and an ascending block, the installation rod is rotatably connected to the left fixing seat, the rotating handle is arranged at the left end of the installation rod, the elliptical block is arranged at the right end of the installation rod, and the ascending block is slidably connected to the middle of the right side of the installation plate.

Optionally, the plastic cement glue mixing device further comprises a collecting mechanism for collecting residual plastic cement glue, and the collecting mechanism is arranged on the mounting plate.

Optionally, the collecting mechanism comprises an arc plate, a pulling plate and a lifting handle, the arc plate is arranged on the right side of the mounting plate, the pulling plate used for collecting residual plastic cement is connected to the arc plate in a sliding mode, and the lifting handle is arranged on the rear side of the pulling plate.

The beneficial effects are that: 1. the pushing moving cylinder drives the swinging plate to move, so that the swinging plate is extruded and rotated by the moving plate, the second through hole is communicated with the first through hole, and then the plastic cement liquid flows downwards into the mounting plate for forming, so that the plastic cement plate can be manufactured and formed.

2. The invention adopts the heating ring to heat the outer wall of the moving cylinder, and can heat the plastic liquid in the swinging cylinder, thereby avoiding the plastic liquid from being cooled and solidified.

3. According to the plastic board leveling device, the scraper can be driven to move rightwards by the rotating plate moving rightwards, liquid at the top of the plastic liquid can be leveled when the scraper moves rightwards, so that the effect of automatically leveling the top of the plastic board can be achieved, when the scraper is in contact with the right part of the limiting plate, the scraper can be separated from the rotating plate, and the scraper can automatically move leftwards to reset.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a schematic perspective view of the swing mechanism of the present invention.

Fig. 5 is a partial perspective sectional view of the swing mechanism of the present invention.

Fig. 6 is a schematic perspective view of a first thermal insulation mechanism according to the present invention.

Fig. 7 is a schematic perspective view of a second thermal insulation mechanism according to the present invention.

Fig. 8 is a schematic perspective view of the leveling mechanism of the present invention.

Fig. 9 is a schematic perspective view of a portion of the leveling mechanism of the present invention.

Fig. 10 is a schematic perspective view of the reset mechanism of the present invention.

Fig. 11 is a schematic perspective view of the ejection mechanism of the present invention.

Fig. 12 is a schematic perspective view of the collecting mechanism of the present invention.

The parts are labeled as follows: 1_ fixed seat, 11_ mounting plate, 12_ slide rail, 13_ movable barrel, 2_ swing mechanism, 20_ fixed seat, 21_ movable plate, 22_ common spring, 23_ swing barrel, 24_ swing plate, 25_ first scroll spring, 3_ heat preservation mechanism, 30_ fixed block, 31_ guard plate, 32_ connecting plate, 33_ heating ring, 4_ leveling mechanism, 40_ mounting plate, 41_ mounting column, 42_ advancing plate, 43_ fixed column, 44_ rotating plate, 45_ second scroll spring, 5_ reset mechanism, 50_ perforated disc, 51_ rotating column, 52_ third scroll spring, 53_ steel cable, 54_ limiting plate, 6_ ejecting mechanism, 60_ mounting rod, 61_ rotating handle, 62_ oval block, 63_ ascending block, 7_ collecting mechanism, 70_ arc plate, 71_ drawing plate, 72_ drawing handle.

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.

Example 1

The utility model provides a plane formula plastic board former for building, as shown in fig. 1-7, including fixing base 1, mounting panel 11, slide rail 12, remove a section of thick bamboo 13, swing mechanism 2 and heat preservation mechanism 3, mounting panel 11 bottom is equipped with three fixing base 1 through the bolt, fixing base 1 can support subaerial, both sides all are equipped with slide rail 12 through the bolt around mounting panel 11 top, sliding connection has a removal section of thick bamboo 13 between the slide rail 12, slide rail 12 can lead to removing a section of thick bamboo 13, it has 5 first through-holes evenly to open in removal section of thick bamboo 13 bottom, be equipped with swing mechanism 2 between removal section of thick bamboo 13 and the mounting panel 11, swing mechanism 2 can realize the ejection of compact, be equipped with heat preservation mechanism 3 on the removal section of thick bamboo 13, can keep warm to the plastic liquid, avoid the plastic liquid cooling.

As shown in fig. 4 and 5, the swing mechanism 2 includes a fixed frame 20, a movable plate 21, a common spring 22, a swing cylinder 23, a swing plate 24 and a first scroll spring 25, the swing cylinder 23 is rotatably connected to the movable cylinder 13, the swing cylinder 23 is used for storing plastic liquid, the swing cylinder 23 is provided with a glue injection port, 5 second through holes are uniformly formed at the bottom of the swing cylinder 23, when the second through holes and the first through holes are in a communicated state, the plastic liquid can flow out downwards, the first scroll spring 25 is arranged between the front side and the rear side of the swing cylinder 23 and the movable cylinder 13, the first scroll spring 25 can drive the swing cylinder 23 to rotate and reset, the swing plate 24 is welded at the front side and the rear side of the swing cylinder 23, the movable plate 20 is welded at the front side and the rear side of the bottom of the mounting plate 11, the movable plate 21 is slidably connected to the fixed frame 20, the movable plate 21 is in contact with the swing plate 24, the common spring 22 is arranged between the left side of the movable plate 21 and the fixed frame 20, the moving plate 21 can be moved and reset by the normal spring 22, and the force of the normal spring 22 is greater than that of the first spiral spring 25.

As shown in fig. 6 and 7, the heat preservation mechanism 3 includes a fixing block 30, a guard plate 31, a connecting plate 32 and a heating ring 33, the fixing block 30 is welded on the right side of the movable barrel 13, the guard plate 31 is arranged on the right side of the fixing block 30, the guard plate 31 can surround the movable barrel 13, not only can the movable barrel 13 be protected, but also can the heat preservation effect, the connecting plate 32 is welded on the front side and the rear side of the left portion of the guard plate 31, the connecting plate 32 is connected with the movable barrel 13, the heating ring 33 is arranged between the connecting plates 32, the heating ring 33 is sleeved on the outer side of the movable barrel 13, and the heating ring 33 can heat the movable barrel 13.

When people need to manufacture the plastic plate, the equipment can be used for operation, firstly, plastic liquid can be injected into the swing cylinder 23 through the glue injection port, initially, the second through hole and the first through hole are not communicated, and at the moment, the plastic liquid cannot flow out; meanwhile, the heating ring 33 can be started, the heating ring 33 can heat the moving cylinder 13, so that the plastic liquid can be heated, the plastic liquid can be prevented from being cooled, then the moving cylinder 13 can be manually moved leftwards, the moving cylinder 13 is moved leftwards to drive the swinging cylinder 23, the swinging plate 24 and the first volute spiral spring 25 to move leftwards, when the swinging plate 24 moves leftwards to be contacted with the moving plate 21, at the moment, because the force of the common spring 22 is greater than the force of the first volute spiral spring 25, the swinging plate 24 is rotated, the first volute spiral spring 25 is twisted, the swinging plate 24 and the first volute spiral spring 25 are twisted to the maximum extent, the swinging plate 24 rotates to drive the swinging cylinder 23 to rotate, so that the second through hole and the first through hole are in a communicated state, at the moment, the plastic liquid can flow downwards through the second through hole and the first through hole, and the plastic liquid flows into the mounting plate 11, the movable cylinder 13, the swinging cylinder 23 and the swinging plate 24 continue to move leftwards, the swinging plate 24 moves leftwards to drive the movable plate 21 to move leftwards, the common spring 22 is compressed, the plastic cement liquid is uniformly paved on the mounting plate 11, after the completion, the movable cylinder 13 is loosened, the movable plate 21 is driven to move rightwards to reset under the action of the common spring 22, the movable plate 21 moves rightwards to drive the swinging plate 24, the swinging cylinder 23 and the movable cylinder 13 to move rightwards to reset, then the swinging cylinder 23 and the swinging plate 24 are driven to rotate to reset under the action of the first volute spring 25, so that the second through hole and the first through hole are in a closed state, the plastic cement liquid stops flowing downwards at the moment, the heating ring 33 is closed when the plastic cement liquid is not used, and after the plastic on the liquid cooling mounting plate 11 is cooled down, a tool is used for taking out the formed plastic cement plate.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 8 and 9, the plastic board leveling device further includes a leveling mechanism 4 capable of leveling the top of the plastic board, the leveling mechanism 4 includes a mounting plate 40, mounting posts 41, a forward plate 42, a fixed post 43, a rotating plate 44 and a second scroll spring 45, the mounting plate 40 is disposed on both front and rear sides of the bottom of the movable cylinder 13 through bolts, the fixed post 43 is connected to the mounting plate 40, the rotating plate 44 is rotatably connected between the fixed posts 43, the second scroll spring 45 is disposed between the front and rear sides of the rotating plate 44 and the fixed post 43, the second scroll spring 45 can drive the rotating plate 44 to rotate and reset, the mounting plate 11 is connected to both front and rear sides of the top thereof with 9 mounting posts 41, the forward plate 42 is slidably connected between tops of the mounting posts 41 on the same lateral side, the mounting posts 41 can guide the forward plate 42, and a scraper blade is rotatably connected between left sides of the forward plate 42, the scraper blade can carry out the flattening to the plastic board top, and the scraper blade can only clockwise rotate.

As shown in fig. 1 and 10, the emergency escape device further comprises a reset mechanism 5, the reset mechanism 5 comprises a perforated disc 50, a rotating column 51, a third spiral spring 52, a steel cable 53 and a limit plate 54, the perforated disc 50 is arranged on the left side of the mounting plate 11 through bolts, the rotating column 51 is connected to the left side of the perforated disc 50, the rotating column 51 is fixed by the perforated disc 50, reels are rotatably connected to the front side and the rear side of the rotating column 51, the third spiral spring 52 is arranged between each reel and the corresponding rotating column 51, the steel cable 53 is wound on each reel, the other side of the steel cable 53 is connected with the advancing plate 42, and the limit plate 54 is arranged between the mounting columns 41.

The movable cylinder 13 moves leftwards to drive the mounting disc 40 to move leftwards, the mounting disc 40 moves leftwards to drive the fixed column 43, the second scroll spring 45 and the rotating plate 44 to move leftwards, when the rotating plate 44 moves leftwards to be in contact with the scraper, the rotating plate 44 swings rightwards to enable the second scroll spring 45 to be twisted, and when the rotating plate 44 moves to the left side of the scraper, the rotating plate 44 is driven to rotate and reset under the action of the second scroll spring 45 to enable the rotating plate 44 to be attached to the left side of the scraper; the moving cylinder 13 moves to the right to drive the mounting plate 40 to move to the right, so that the fixed column 43, the second scroll spring 45 and the rotating plate 44 are driven to move to the right, at the moment, the rotating plate 44 moves to the right to drive the scraper to move to the right, the scraper moves to the right to scrape the liquid at the top of the plastic liquid, the scraper moves to the right to drive the advancing plate 42 to move to the right, the advancing plate 42 moves to the right to pull out the steel cable 53, so that the reel rotates, and the third scroll spring 52 is twisted, when the blade contacts the right portion of retainer plate 54, causing blade to rotate a little clockwise, blade rotation and swivel plate 44 disengage, under the action of the third scroll spring 52, the reel is driven to rotate to reset the winding steel cable 53, and further the advancing plate 42 and the scraper blade are driven to move leftwards and reset, when the scraper blade is separated from the right part of the limit plate 54, the scraper blade is rotated and reset under the action of the gravity of the scraper blade.

As shown in fig. 1, fig. 2 and fig. 11, the plastic plate ejecting device further comprises an ejecting mechanism 6, the plastic plate can be automatically ejected out, the ejecting mechanism 6 comprises an installation rod 60, a rotating handle 61, an oval block 62 and an ascending block 63, the installation rod 60 is rotatably connected to the left fixing seat 1, the rotating handle 61 is welded at the left end of the installation rod 60, the installation rod 60 can be driven to rotate by rotating the rotating handle 61, the oval block 62 is arranged at the right end of the installation rod 60, the ascending block 63 is slidably connected to the middle of the right side of the installation plate 11, and the plastic plate can be ejected out when the ascending block 63 moves upwards.

If need be ejecting with the plastic board, can rotate rotating handle 61 and drive installation pole 60 and oval piece 62 and rotate for oval piece 62 extrudes the piece 63 that rises, drives the piece 63 that rises and upwards jacks up, can be with the plastic board jack-up, takes out the plastic board after, rotates rotating handle 61, installation pole 60 and oval piece 62 and resets, makes oval piece 62 not extrude the piece 63 that rises, and the piece 63 that rises moves down automatically under the effect of gravity resets.

As shown in fig. 1 and 12, the plastic cement collecting device further comprises a collecting mechanism 7 for collecting residual plastic cement, the collecting mechanism 7 comprises an arc plate 70, a drawing plate 71 and a lifting handle 72, the arc plate 70 is welded on the right side of the mounting plate 11, the drawing plate 71 is connected on the arc plate 70 in a sliding manner, the drawing plate 71 is used for collecting the residual plastic cement, and the lifting handle 72 is welded on the rear side of the drawing plate 71.

The residual plastic liquid can be scraped rightwards, so that the residual plastic liquid falls into the pull plate 71 to be collected, the pull handle 72 can be moved backwards if the residual plastic liquid needs to be taken out, the pull plate 71 is pulled backwards, people can treat the residual plastic liquid, and then the pull plate 71 and the pull handle 72 are reset.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a plane formula plastic board former for building, including fixing base (1), mounting panel (11), slide rail (12) and a removal section of thick bamboo (13), mounting panel (11) bottom is provided with three fixing base (1), both sides all are provided with slide rail (12) around mounting panel (11) top, slidingtype connection has a removal section of thick bamboo (13) between slide rail (12), even division has 5 first through-holes in removal section of thick bamboo (13) bottom, characterized by, still including swing mechanism (2) and heat preservation mechanism (3), be provided with swing mechanism (2) that realize the ejection of compact between removal section of thick bamboo (13) and mounting panel (11), it can keep warm to plastic liquid to be provided with on removal section of thick bamboo (13), avoid plastic liquid refrigerated heat preservation mechanism (3).

2. The plastic plate forming equipment for the plane type building according to claim 1, wherein the swing mechanism (2) comprises a fixed frame (20), a moving plate (21), a common spring (22), a swing cylinder (23), a swing plate (24) and a first volute spring (25), the swing cylinder (23) for storing plastic liquid is rotatably connected to the moving cylinder (13), the swing cylinder (23) is provided with a glue injection port, the bottom of the swing cylinder (23) is uniformly provided with 5 second through holes, the first volute spring (25) is respectively arranged between the front side and the rear side of the swing cylinder (23) and the moving cylinder (13), the swing plates (24) are respectively arranged on the front side and the rear side of the swing cylinder (23), the fixed frame (20) is respectively arranged on the front side and the rear side of the bottom of the mounting plate (11), the sliding type building plastic plate (21) is connected to the fixed frame (20), and the moving plate (21) is contacted with the swing plates (24), common springs (22) are arranged between the left side of the moving plate (21) and the fixed frame (20).

3. The plastic plate forming equipment for the plane type building according to claim 2, wherein the heat insulation mechanism (3) comprises a fixed block (30), a guard plate (31), a connecting plate (32) and a heating ring (33), the fixed block (30) is arranged on the right side of the movable cylinder (13), the guard plate (31) capable of surrounding the movable cylinder (13) is arranged on the right side of the fixed block (30), the connecting plates (32) are arranged on the front side and the rear side of the left part of the guard plate (31), the connecting plates (32) are connected with the movable cylinder (13), the heating ring (33) is arranged between the connecting plates (32), and the heating ring (33) is sleeved on the outer side of the movable cylinder (13).

4. The plastic board forming equipment for the planar building according to claim 3, further comprising a leveling mechanism (4) capable of leveling the top of the plastic board, wherein the leveling mechanism (4) comprises a mounting plate (40), mounting columns (41), a forward plate (42), fixed columns (43), a rotating plate (44) and second scroll springs (45), the mounting plate (40) is arranged on the front side and the rear side of the bottom of the movable cylinder (13), the fixed columns (43) are connected to the mounting plate (40), the rotating plate (44) is rotatably connected between the fixed columns (43), the second scroll springs (45) are arranged between the front side and the rear side of the rotating plate (44) and the fixed columns (43), the front side and the rear side of the top of the mounting plate (11) are respectively connected with 9 mounting columns (41), and the forward plate (42) is slidably connected between the tops of the mounting columns (41) on the same lateral side, a scraper is rotatably connected between the left sides of the advancing plates (42).

5. The plastic plate forming equipment for the plane type building according to claim 4, characterized by further comprising a reset mechanism (5), wherein the reset mechanism (5) comprises a perforated disc (50), a rotating column (51), a third scroll spring (52), a steel cable (53) and a limit plate (54), the perforated disc (50) is arranged on the left side of the mounting plate (11), the rotating column (51) is connected to the left side of the perforated disc (50), winding wheels are rotatably connected to the front side and the rear side of the rotating column (51), the third scroll spring (52) is arranged between the winding wheels and the rotating column (51), the steel cable (53) is wound on the winding wheels, the other side of the steel cable (53) is connected with the advancing plate (42), and the limit plate (54) is arranged between the mounting columns (41).

6. The plastic plate forming equipment for the planar building according to claim 5, characterized by further comprising an ejection mechanism (6) capable of automatically ejecting the plastic plate, wherein the ejection mechanism (6) comprises a mounting rod (60), a rotating handle (61), an elliptical block (62) and an ascending block (63), the mounting rod (60) is rotatably connected to the left fixing seat (1), the rotating handle (61) is arranged at the left end of the mounting rod (60), the elliptical block (62) is arranged at the right end of the mounting rod (60), and the ascending block (63) is slidably connected to the middle part of the right side of the mounting plate (11).

7. A plastic board forming apparatus for planar building according to claim 6, further comprising a collecting means (7) for collecting the residual plastic, wherein the collecting means (7) is provided on the mounting plate (11).

8. The plastic plate forming device for the plane building according to claim 7, wherein the collecting mechanism (7) comprises an arc-shaped plate (70), a pulling plate (71) and a pulling handle (72), the arc-shaped plate (70) is arranged at the right side of the mounting plate (11), the pulling plate (71) for collecting residual plastic liquid is connected on the arc-shaped plate (70) in a sliding way, and the pulling handle (72) is arranged at the rear side of the pulling plate (71).